CN106989136A - Shock-absorbing device for mechanical equipment - Google Patents

Abstract

The invention discloses a vibration damping device for mechanical equipment, which comprises a load-bearing plate for placing mechanical equipment, and a vertical vibration-damping mechanism is connected to the lower part of the load-bearing plate, and is characterized in that the opposite ends of the load-bearing plate are respectively There are two groups of horizontal clamping mechanisms. The clamping directions of the two groups of horizontal clamping mechanisms are arranged horizontally and perpendicular to each other. Each group of horizontal clamping mechanisms is connected to The vertical vibration damping mechanism is fixedly connected, and the force direction transmission transmission mechanism is used to convert the downward deformation movement transmission of the vertical vibration damping mechanism into the relative movement of the two clamping parts in the horizontal clamping mechanism. Inward movement. The invention has the advantages of better vibration reduction for mechanical equipment, strong versatility and high stability.

Description

Mechanical equipment vibration damping device

technical field

The invention relates to the technical field of vibration damping devices; in particular, it relates to a vibration damping device for mechanical equipment.

Background technique

With the rapid development of China's manufacturing industry, the electromechanical equipment required by the manufacturing industry is also developing in the direction of large-scale and heavy weight. In most cases, large-scale electromechanical equipment is placed directly on the ground, and its bottom is generally in direct contact with the ground, or a gasket is simply added under the tripod to prevent the machine tool from crushing and fracturing the ground. For machines that vibrate strongly during operation, simple damping pads will not play any substantial role. The up and down vibration of electromechanical equipment will reduce the service life and affect the normal use. At present, there is almost no special equipment for vibration reduction.

Chinese patent CN 205908685 U discloses a vibration damping device, including a support plate, a plurality of vibration damping devices are installed below the support plate, the vibration damping device includes an upper adjustment plate, a lower adjustment plate, installed on The sliding column between the upper adjusting plate and the lower adjusting plate is equipped with a damping spring, and the sliding column passes through the upper adjusting plate and the supporting plate body; under the supporting plate body A hinge is provided at the middle position, a telescopic rod A is installed at one end of the hinge, a telescopic rod B is installed at the other end of the hinge, and the ends of the telescopic rod A and the telescopic rod B are installed on the lower adjustment One side of the plate; a telescopic device is installed at the lower end of the lower regulating plate.

The above-mentioned vibration damping device can play a certain supporting role for the mechanical equipment placed on the support plate, but still has the following defects: 1. Only use the vibration damping spring to vertically damp the mechanical equipment placed on the support plate , without considering that the mechanical equipment will tilt outward when placed on the support plate, resulting in poor stability of the mechanical equipment and affecting its normal use. 2. A sliding column is provided, and the sliding column passes through the upper adjustment plate and the supporting plate body. When the mechanical equipment placed on the supporting plate body is tilted due to uneven force on the supporting plate body, the sliding column will be bent or even broken. cause the damping device to fail.

Contents of the invention

In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is: how to provide a mechanical equipment vibration damping device that can better damp mechanical equipment, has a simple structure and is easy to use.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

A vibration damping device for mechanical equipment, comprising a load-bearing plate for placing mechanical equipment, a vertical vibration-damping mechanism is connected to the lower part of the load-bearing plate, and it is characterized in that horizontal clips are respectively arranged above the opposite ends of the load-bearing plate The horizontal clamping mechanism is provided with two groups, each group includes two oppositely arranged clamping parts, the clamping directions of the two groups of horizontal clamping mechanisms are arranged horizontally and perpendicular to each other, and each group of horizontal clamping mechanisms It is fixedly connected with the vertical vibration damping mechanism through a force-changing transmission transmission mechanism, and the force-change transmission transmission mechanism is used to convert the downward deformation movement transmission of the vertical vibration damping mechanism into the horizontal clamping mechanism The relative inward movement of the two clamping parts.

In this way, mechanical vibrations are caused by defects in mechanical equipment manufacturing, improper assembly and assembly, and improper operation of mechanical equipment. The vibration of mechanical equipment includes vibration in the vertical direction and vibration in the horizontal direction. The vibration in the vertical direction generally starts from the original position of the equipment and goes back and forth. The vibration in the horizontal direction often produces vibration in two degrees of freedom. The mechanical equipment vibration damping device includes a load-bearing plate for placing the mechanical equipment, and a vertical vibration-damping mechanism is arranged under the load-bearing plate to reduce the vertical vibration amplitude generated by the mechanical equipment. Two sets of horizontal clamping mechanisms are provided above the opposite ends of the load-bearing plate. The clamping directions of the two sets of horizontal clamping mechanisms are set along the horizontal and perpendicular to each other. The direction-changing transmission transmission mechanism is fixedly connected with the vertical vibration damping mechanism, and the mechanical equipment is placed on the load-bearing plate, and the vertical vibration generated is downward vibration at the original height, so when the vertical vibration damping mechanism deforms and moves downward, The clamping parts of the horizontal clamping mechanism are clamped from four directions of the mechanical equipment, which can reduce the vibration amplitude of the mechanical equipment in the horizontal direction, and can also reduce the vertical vibration amplitude of the mechanical equipment, and can reduce the vibration of the mechanical equipment. The degree of shaking increases the stability of mechanical equipment. Without manual or other power input, only the vertical vibration damping mechanism needs to deform and move downward, so that the clamping parts in the horizontal clamping mechanism can move relatively inward, which is convenient to use, and can improve the stability of the whole device and extend the Service life of machinery and equipment.

As an optimization, the vertical damping mechanism includes a vertically arranged first compression coil spring and a horizontally arranged bottom plate, the upper end of the first compression coil spring is connected to the bearing plate, and the lower end is fixedly connected to the bottom plate.

In this way, the vertical vibration damping mechanism includes a vertically arranged first compression coil spring, which uses the elastic potential energy generated when the first compression coil spring deforms downward to offset the vibration generated by the machine, which is convenient to use and low in cost. The lower end of the first compression coil spring is fixedly connected with a bottom plate, which can better reduce the extrusion of the first compression coil spring to the ground and prevent the ground from being crushed.

As an optimization, a mounting plate is also provided under the load-bearing plate, and the upper end of the first compression coil spring is fixedly connected to the lower surface of the mounting plate; the upper surface of the mounting plate is recessed to form a groove, and the groove A vertically arranged sleeve is fixedly connected inside, and the lower surface of the load-bearing plate is fixedly connected with a limit column facing the sleeve, and the limit column can slide in the sleeve, and the inside of the sleeve is vertically A second compression coil spring is provided. The lower end of the second compression coil spring is fixedly connected to the bottom surface of the groove, and the upper end is sleeved on the limit post. The original length of the second compression coil spring is greater than the height of the sleeve.

In this way, a mounting plate is arranged below the load-bearing plate, and the surface of the mounting plate is concave to form a groove, and a sleeve is arranged in the groove, and the lower surface of the load-bearing plate is directly connected to the sleeve to be provided with a limit column, and the limit column can slide along the sleeve , the sleeve is provided with a second compression coil spring, the original length of the second compression coil spring is greater than the height of the sleeve, so as to better play the function of the second compression coil spring. When the vibration of the mechanical equipment is small, the second compression coil spring can be compressed to produce a buffering effect on the mechanical equipment, which can reduce the vibration of the mechanical equipment and better improve the versatility of the whole device.

As an optimization, an elastic block is also arranged in the groove, the lower end of the elastic block is fixedly connected to the bottom surface of the groove, and the upper end exceeds the upper surface of the mounting plate and extends upward.

In this way, an elastic block is arranged in the groove, and the upper end of the elastic block exceeds the upper surface of the mounting plate and extends upward. When the load-bearing plate is in contact with the elastic block, the elasticity of the elastic block can play a certain buffering effect on the vibration of the mechanical equipment. Improve the stability of the whole device. The elastic block can be arranged in a hemispherical shape, and the hemispherical surface of the hemispherical shape is arranged towards the load-bearing plate, and the hemispherical flat surface is fixedly connected to the bottom surface of the groove, so that the elastic block can be better stressed. When the hemispherical elastic block begins to be stressed, the contact area between the upper end of the elastic block and the load-bearing plate is small, and the stored elastic potential energy is less, so the elastic block can produce a large deformation; later, the contact area between the elastic block and the load-bearing plate gradually increases. Larger, the elastic potential energy also increases gradually. At this time, a larger force is required to deform the elastic block, that is, the elastic block can withstand greater pressure, so the elastic block is set in the form of a hemispherical structure, which can better bear force , to better increase the stability of the entire device.

As an optimization, the force direction change transmission transmission mechanism includes a first connecting rod, a second connecting rod and a third connecting rod arranged obliquely, the upper end of the first connecting rod is hinged to the first compression coil spring, and the lower end is connected to a One end of the slider is hinged, and the slider can slide horizontally along the upper surface of the base plate. The lower end of the second connecting rod is hinged to the other end of the slider, and the upper end is hinged to the lower end of a vertical bar. A vertical rod guide mechanism for vertical guidance, the vertical rod can slide up and down along the vertical rod guide mechanism, the upper end of the vertical rod is hinged with the lower end of the third connecting rod, and the upper end of the third connecting rod is connected with the horizontal clip The outer side of the holding mechanism is hinged. When the first compression coil spring deforms downward, it pushes the first connecting rod, the slider and the second connecting rod to move, so that the vertical rod moves upward and pushes the third connecting rod to move. The third connecting rod Push the horizontal clamping mechanism to move relatively inward.

In this way, the force direction transmission transmission mechanism adopts the first connecting rod, the second connecting rod and the third connecting rod arranged obliquely, as well as the vertical rod and the slider to be hinged to each other, and when the first compression coil spring deforms downward, the first connecting rod is pushed The rod, the slider and the second connecting rod move, so that the vertical rod moves upwards and pushes the third connecting rod to move, and the third connecting rod pushes the horizontal clamping mechanism to move relatively inward, so as to transform the downward deformation of the first compression coil spring The horizontal clamping mechanism moves relatively inward to clamp the mechanical equipment placed on the bearing plate. The force-reversing transmission transmission mechanism can realize the transformation of the force direction, better utilizes the elastic potential energy of the first compression coil spring, and avoids energy waste; and the force-reversal transmission transmission mechanism has a simple structure and is easy to use.

As an optimization, the vertical rod guide mechanism includes a vertically arranged guide cylinder, the vertical rod is arranged in the guide cylinder and can slide up and down along the guide cylinder; the two opposite edges of the bottom plate are respectively fixed A riser is connected vertically, and the guide cylinders are respectively fixedly installed on two opposite surfaces of the riser.

In this way, the vertical rod guide mechanism includes a vertically arranged guide cylinder, the vertical rod is arranged in the guide cylinder and can slide up and down along the guide cylinder, and the guide cylinder plays the role of guiding and limiting the vertical rod, which can ensure the direction of movement of the vertical rod. reliability. The guide cylinder is installed on the riser, and the riser is installed on the base plate, which can make the guide cylinder better installed.

As an optimization, a return spring is arranged vertically inside the guide cylinder, and both ends of the return spring are fixedly connected to the guide cylinder and the vertical rod respectively.

In this way, a return spring is vertically arranged in the guide tube, and the two ends of the return spring are fixedly connected with the guide tube and the vertical bar respectively, so as to facilitate the reset of the vertical bar and also play a certain buffering effect. At the same time, the return spring can also play the role of vertical vibration reduction, together with the first compression coil spring, the second compression coil spring and the elastic block, it can better exert the vibration reduction effect of the mechanical equipment vibration reduction device.

As an optimization, the two opposite sides of the vertical plate are fixedly connected inwardly with connecting rods, and the opposite ends of the connecting rods are respectively fixedly connected with vertically arranged connecting plates, and the connecting plates are respectively provided with guide holes horizontally. ; The horizontal clamping mechanism includes two oppositely arranged splints, the splints are vertically arranged plate-shaped members, and the opposite surfaces of the splints are respectively fixedly connected with horizontally arranged guide rods, and the diameter of the guide rods is the same as The diameter of the guide hole matches, and the end of the guide rod away from the splint passes through the guide hole and is hinged to the upper end of the third connecting rod.

In this way, the horizontal clamping mechanism comprises two splints arranged oppositely, and guide rods are respectively fixedly connected to the opposite surfaces of the splints, and the end of the guide rod far away from the splint passes through the guide hole to be hinged with the upper end of the third connecting rod, and the vertical rod pushes the third connecting rod. When the three connecting rods move upward, the third connecting rod pushes the guide rod to slide along the guide hole to push the splint toward the center of the load-bearing plate. The structure is simple and easy to use. A horizontal clamping mechanism is provided to better clamp the mechanical equipment to reduce tilting and shaking of the mechanical equipment and increase the stability of the entire device.

As an optimization, a third coil spring is arranged horizontally between the clamping plate and the connecting plate, and both ends of the third coil spring are respectively fixedly connected to opposite surfaces of the clamping plate and the connecting plate.

In this way, a third coil spring is arranged horizontally between the splint and the connecting plate, which can facilitate the reset of the splint. At the same time, a third coil spring is provided, which can buffer the splint to a certain extent, avoiding damage to the splint and the third connecting rod due to excessive shaking of the mechanical equipment, and prolonging the service life of the entire device.

As an optimization, the upper surface of the bottom plate is recessed to form a sliding groove, and the sliding block is slidably fitted in the sliding groove.

In this way, the chute is provided on the bottom plate, which can facilitate the sliding of the slider and also play a certain role in limiting the sliding of the slider.

To sum up, the present invention has the advantages of better vibration reduction for mechanical equipment, strong versatility, and high stability.

Description of drawings

Fig. 1 is a schematic structural view of the vibration damping device for mechanical equipment described in the specific embodiment.

FIG. 2 is a partially enlarged schematic diagram of point A in FIG. 1 .

FIG. 3 is a partially enlarged schematic diagram of the location B in FIG. 1 .

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings.

During specific implementation: as shown in Fig. 1 ~ Fig. 3, a kind of mechanical equipment vibration damping device, comprises the bearing plate 9 that is used to place mechanical equipment, described bearing plate 9 below is connected to be provided with vertical vibration damping mechanism, described load bearing Horizontal clamping mechanisms are respectively arranged above the opposite ends of the plate 9. The horizontal clamping mechanisms are provided with two groups, each group includes two oppositely arranged clamping parts, and the clamping directions of the two groups of horizontal clamping mechanisms are along the horizontal direction. set and perpendicular to each other, each set of horizontal clamping mechanisms is fixedly connected to the vertical vibration damping mechanism through a force-reversing transmission mechanism, and the force-reversing transmission transmission mechanism is used to transfer the direction of the vertical vibration damping mechanism to The transfer of the lower deformation motion is transformed into the relative inward movement of the two clamping parts in the horizontal clamping mechanism.

In this way, mechanical vibrations are caused by defects in mechanical equipment manufacturing, improper assembly and assembly, and improper operation of mechanical equipment. The vibration of mechanical equipment includes vertical vibration and horizontal vibration. The mechanical equipment vibration damping device includes a load-bearing plate for placing the mechanical equipment, and a vertical vibration-damping mechanism is arranged under the load-bearing plate to reduce the vertical vibration amplitude generated by the mechanical equipment. Two sets of horizontal clamping mechanisms are provided above the opposite ends of the load-bearing plate. The clamping directions of the two sets of horizontal clamping mechanisms are set along the horizontal and perpendicular to each other. The direction-changing transmission transmission mechanism is fixedly connected with the vertical vibration damping mechanism, and the mechanical equipment is placed on the load-bearing plate, and the vertical vibration generated is downward vibration at the original height, so when the vertical vibration damping mechanism deforms and moves downward, The clamping parts of the horizontal clamping mechanism are clamped from four directions of the mechanical equipment, which can reduce the vibration amplitude of the mechanical equipment in the horizontal direction, and can also reduce the vibration amplitude of the vertical direction generated by the mechanical equipment, and can reduce the vibration of the mechanical equipment. The degree of shaking increases the stability of mechanical equipment. Without manual or other power input, the clamping parts in the horizontal clamping mechanism can be moved relatively inward only by the downward deformation and movement of the vertical vibration damping mechanism, which is convenient to use, and can improve the stability of the whole device and extend the Service life of machinery and equipment.

In this specific embodiment, the vertical vibration damping mechanism includes a vertically arranged first compression coil spring 2 and a horizontally arranged bottom plate 1, the upper end of the first compression coil spring 2 is connected to the bearing plate 9, and the lower end is fixed connected to the bottom plate 1.

In this way, the vertical vibration damping mechanism includes a vertically arranged first compression coil spring, which uses the elastic potential energy generated when the first compression coil spring deforms downward to offset the vibration generated by the machine, which is convenient to use and low in cost. The lower end of the first compression coil spring is fixedly connected with a bottom plate, which can better reduce the extrusion of the first compression coil spring to the ground and prevent the ground from being crushed. Of course, in actual implementation, one, two or even more than one first compression coil spring can be provided, all of which belong to the implementable scope of the device.

In this specific embodiment, a mounting plate 3 is provided below the bearing plate 9, and the upper end of the first compression coil spring 2 is fixedly connected to the lower surface of the mounting plate 3; the upper surface of the mounting plate 3 is concave A groove 4 is formed, and a vertically arranged sleeve 5 is fixedly connected in the groove 4, and the lower surface of the bearing plate 9 is fixedly connected to the limit column 6 facing the sleeve 5, and the limit column 6 can be Sliding in the sleeve 5, the second compression coil spring 7 is vertically arranged in the sleeve 5, the lower end of the second compression coil spring 7 is fixedly connected on the bottom surface of the groove 4, and the upper end Sleeved on the limit post 6 , the original length of the second compression coil spring 7 is greater than the height of the sleeve 5 .

In this way, a mounting plate is arranged below the load-bearing plate, and the surface of the mounting plate is concave to form a groove, and a sleeve is arranged in the groove, and the lower surface of the load-bearing plate is directly connected to the sleeve to be provided with a limit column, and the limit column can slide along the sleeve , the sleeve is provided with a second compression coil spring, the original length of the second compression coil spring is greater than the height of the sleeve, so as to better play the function of the second compression coil spring. When the vibration of the mechanical equipment is small, the second compression coil spring can be compressed to produce a buffering effect on the mechanical equipment, which can reduce the vibration of the mechanical equipment and better improve the versatility of the whole device.

In this specific embodiment, an elastic block 8 is also arranged in the groove 4, the lower end of the elastic block 8 is fixedly connected to the bottom surface of the groove 4, and the upper end exceeds the upper surface of the mounting plate 3 and extends upward. .

In this way, an elastic block is arranged in the groove, and the upper end of the elastic block exceeds the upper surface of the mounting plate and extends upward. When the load-bearing plate is in contact with the elastic block, the elasticity of the elastic block can play a certain buffering effect on the vibration of the mechanical equipment. Improve the stability of the whole device. The elastic block can be arranged in a hemispherical shape, and the hemispherical surface of the hemispherical shape is arranged towards the load-bearing plate, and the hemispherical flat surface is fixedly connected to the bottom surface of the groove, so that the elastic block can be better stressed. When the hemispherical elastic block begins to be stressed, the contact area between the upper end of the elastic block and the load-bearing plate is small, and the stored elastic potential energy is less, so the elastic block can produce a large deformation; later, the contact area between the elastic block and the load-bearing plate gradually increases. Larger, the elastic potential energy also increases gradually. At this time, a larger force is required to deform the elastic block, that is, the elastic block can withstand greater pressure, so the elastic block is set in the form of a hemispherical structure, which can better bear force , to better increase the stability of the entire device. During specific implementation, there are multiple first compression coil springs, which are respectively distributed in the circumferential direction of the elastic block, so that the force of the entire device can be more uniform, which also belongs to the scope of implementation of the device.

In this specific embodiment, the force direction change transmission transmission mechanism includes a first connecting rod 13, a second connecting rod 14 and a third connecting rod 18 arranged obliquely, and the upper end of the first connecting rod 13 is connected to the first compression The coil spring 2 is hinged, and the lower end is hinged with one end of a slider 12, and the slider 12 can slide horizontally along the upper surface of the base plate 1, and the lower end of the second connecting rod 14 is hinged with the other end of the slider 12, and the upper end is connected with the other end of the slider 12. A vertical bar 15 lower ends are hinged, and a vertical bar guide mechanism for vertically guiding the vertical bar 15 is also provided. The vertical bar 15 can slide up and down along the vertical bar guide mechanism. The upper end of the vertical bar 15 is connected to the third The lower end of the connecting rod 18 is hinged, and the upper end of the third connecting rod 18 is hinged with the outside of the horizontal clamping mechanism. When the first compression coil spring 2 is deformed downward, the first connecting rod 13, the slider 12 and the second connecting rod 13 are pushed. The connecting rod 14 moves so that the vertical rod 15 moves upward and pushes the third connecting rod 18 to move, and the third connecting rod 18 pushes the horizontal clamping mechanism to move relatively inward.

In this way, the force direction transmission transmission mechanism adopts the first connecting rod, the second connecting rod and the third connecting rod arranged obliquely, as well as the vertical rod and the slider to be hinged to each other, and when the first compression coil spring deforms downward, the first connecting rod is pushed The rod, the slider and the second connecting rod move, so that the vertical rod moves upwards and pushes the third connecting rod to move, and the third connecting rod pushes the horizontal clamping mechanism to move relatively inward, so as to transform the downward deformation of the first compression coil spring The horizontal clamping mechanism moves relatively inward to clamp the mechanical equipment placed on the bearing plate. The force-reversing transmission transmission mechanism can realize the transformation of the force direction, better utilizes the elastic potential energy of the first compression coil spring, and avoids energy waste; and the force-reversal transmission transmission mechanism has a simple structure and is easy to use.

In this specific embodiment, the vertical rod guide mechanism includes a vertically arranged guide cylinder 16, the vertical rod 15 is arranged in the guide cylinder 16 and can slide up and down along the guide cylinder 16; the bottom plate 1 The two opposite edges are respectively fixedly connected with vertical risers 10 , and the guide cylinders 16 are respectively fixedly installed on the two opposite surfaces of the risers 10 .

In this way, the vertical rod guide mechanism includes a vertically arranged guide cylinder, the vertical rod is arranged in the guide cylinder and can slide up and down along the guide cylinder, and the guide cylinder plays the role of guiding and limiting the vertical rod, which can ensure the direction of movement of the vertical rod. reliability. The guide cylinder is installed on the riser, and the riser is installed on the base plate, which can make the guide cylinder better installed. Of course, during specific implementation, slide rails can be vertically arranged on the vertical plates, connecting blocks can be arranged on the vertical rods, and the connecting blocks can be slidably arranged on the slide rails, which also belongs to the applicable range of the device.

In this specific embodiment, a return spring 17 is arranged vertically inside the guide cylinder 16 , and both ends of the return spring 17 are fixedly connected to the guide cylinder 16 and the vertical rod 15 respectively.

In this way, a return spring is vertically arranged in the guide tube, and the two ends of the return spring are fixedly connected with the guide tube and the vertical bar respectively, so as to facilitate the reset of the vertical bar and also play a certain buffering effect. At the same time, the return spring can also play the role of vertical vibration reduction, together with the first compression coil spring, the second compression coil spring and the elastic block, it can better exert the vibration reduction effect of the mechanical equipment vibration reduction device.

In this specific embodiment, the opposite sides of the riser 10 are fixedly connected inwardly with connecting rods 19 respectively, and the opposite ends of the connecting rods 19 are respectively fixedly connected with connecting plates 20 arranged vertically, and the connecting plates 20 Guide holes 23 are provided horizontally through the top respectively; the horizontal clamping mechanism includes two oppositely arranged splints 22, the splints 22 are plate-like members arranged vertically, and the opposite surfaces of the splints 22 are respectively fixedly connected with A guide rod 24 arranged horizontally, the diameter of the guide rod 24 matches the diameter of the guide hole 23 , and the end of the guide rod 24 away from the splint 22 passes through the guide hole 23 and the third connecting rod 18 Hinged top.

In this way, the horizontal clamping mechanism comprises two splints arranged oppositely, and guide rods are respectively fixedly connected to the opposite surfaces of the splints, and the end of the guide rod far away from the splint passes through the guide hole to be hinged with the upper end of the third connecting rod, and the vertical rod pushes the third connecting rod. When the three connecting rods move upward, the third connecting rod pushes the guide rod to slide along the guide hole to push the splint toward the center of the load-bearing plate. The structure is simple and easy to use. A horizontal clamping mechanism is provided to better clamp the mechanical equipment to reduce tilting and shaking of the mechanical equipment and increase the stability of the entire device. Of course, during specific implementation, wear-resistant pads can be provided on the opposite surfaces of the splint, which also belongs to the implementable scope of the device.

In this specific embodiment, a third coil spring 21 is arranged horizontally between the clamping plate 22 and the connecting plate 20, and the two ends of the third coil spring 21 are fixedly connected to the clamping plate 22 and the connecting plate respectively. 20 on opposite surfaces.

In this way, a third helical spring is horizontally arranged between the splint and the connecting plate, which can buffer the splint to a certain extent, avoid damage to the splint due to excessive shaking of the mechanical equipment, and prolong the service life of the entire device. Of course, during specific implementation, a third helical spring can be installed on the guide rod, and the two ends of the third helical spring are fixedly connected to the opposite surfaces of the splint and the connecting plate respectively, which also belongs to the implementation of this device. scope.

In this specific embodiment, the upper surface of the bottom plate 1 is concave to form a sliding groove 11 , and the sliding block 12 is slidably fitted in the sliding groove 11 .

In this way, the chute is provided on the bottom plate, which can facilitate the sliding of the slider and also play a certain role in limiting the sliding of the slider. Of course, during specific implementation, slide rails can be arranged vertically on the bottom plate, and the sliders can be slidably arranged on the slide rails, which also belongs to the implementable range of the device.

Claims (10)

1. A vibration damping device for mechanical equipment, comprising a load-bearing plate (9) for placing mechanical equipment, and a vertical vibration-damping mechanism is connected under the load-bearing plate (9), characterized in that the load-bearing plate (9) ) are respectively provided with horizontal clamping mechanisms above the opposite ends. The horizontal clamping mechanisms are provided with two groups, and each group includes two oppositely arranged clamping parts. The clamping directions of the two groups of horizontal clamping mechanisms are set along the horizontal and are perpendicular to each other, and each group of horizontal clamping mechanisms is fixedly connected to the vertical vibration damping mechanism through a force-reversing transmission mechanism, and the force-reversing transmission transmission mechanism is used to move the downward direction of the vertical vibration damping mechanism The deformation motion transfer is transformed into the relative inward movement of the two clamping parts in the horizontal clamping mechanism. 2. The vibration damping device for mechanical equipment according to claim 1, characterized in that, the vertical vibration damping mechanism includes a vertically arranged first compression coil spring (2) and a horizontally arranged bottom plate (1), the The upper end of the first compression coil spring (2) is connected to the bearing plate (9), and the lower end is fixedly connected to the bottom plate (1). 3. The vibration damping device for mechanical equipment according to claim 2, characterized in that, a mounting plate (3) is arranged under the bearing plate (9), and the upper end of the first compression coil spring (2) is in contact with the The lower surface of the mounting plate (3) is fixedly connected; the upper surface of the mounting plate (3) is concaved to form a groove (4), and the groove (4) is fixedly connected with a vertically arranged sleeve (5) , the lower surface of the load-bearing plate (9) is facing the sleeve (5) and is fixedly connected to the limiting column (6), and the limiting column (6) can slide in the sleeve (5), the A second compression coil spring (7) is vertically arranged inside the sleeve (5), the lower end of the second compression coil spring (7) is fixedly connected to the bottom surface of the groove (4), and the upper end is sleeved on the On the limit post (6), the original length of the second compression coil spring (7) is greater than the height of the sleeve (5). 4. The vibration damping device for mechanical equipment according to claim 3, characterized in that, an elastic block (8) is also arranged in the groove (4), and the lower end of the elastic block (8) is fixedly connected to the concave The groove (4) is on the bottom surface of the groove, and the upper end exceeds the upper surface of the mounting plate (3) and extends upward. 5. The vibration damping device for mechanical equipment according to claim 3, characterized in that, the force direction-changing transmission transmission mechanism includes a first connecting rod (13), a second connecting rod (14) and a third connecting rod arranged obliquely. Rod (18), the upper end of the first connecting rod (13) is hinged with the first compression coil spring (2), and the lower end is hinged with one end of a slider (12), and the slider (12) can move along the The upper surface of the bottom plate (1) slides horizontally, the lower end of the second connecting rod (14) is hinged to the other end of the slider (12), and the upper end is hinged to the lower end of a vertical rod (15). A vertically oriented vertical rod guide mechanism, the vertical rod (15) can slide up and down along the vertical rod guide mechanism, the upper end of the vertical rod (15) is hinged with the lower end of the third connecting rod (18), the third The upper end of the connecting rod (18) is hinged to the outside of the horizontal clamping mechanism, and when the first compression coil spring (2) deforms downward, it pushes the first connecting rod (13), the slider (12) and the second connecting rod (14) moves, so that the vertical rod (15) moves upward and pushes the third connecting rod (18) to move, and the third connecting rod (18) pushes the horizontal clamping mechanism to move relatively inward. 6. The vibration damping device for mechanical equipment according to claim 5, characterized in that, the vertical rod guide mechanism includes a vertically arranged guide cylinder (16), and the vertical rod (15) is arranged on the guide cylinder ( 16) The inside and the edge can slide up and down along the guide cylinder (16); the two opposite edges of the bottom plate (1) are respectively fixedly connected with a vertical riser (10), and the guide cylinder (16) They are respectively fixedly installed on the two opposite sides of the vertical board (10). 7. The vibration damping device for mechanical equipment according to claim 6, characterized in that, a return spring (17) is vertically arranged in the guide cylinder (16), and the two ends of the return spring (17) are respectively connected to The guide cylinder (16) is fixedly connected with the vertical rod (15). 8. The vibration damping device for mechanical equipment according to claim 6, characterized in that, the opposite sides of the vertical plate (10) are fixedly connected inwardly with connecting rods (19), and the opposite sides of the connecting rods (19) The ends are respectively fixedly connected with vertically arranged connecting plates (20), and the connecting plates (20) are respectively horizontally provided with guide holes (23); the horizontal clamping mechanism includes two oppositely arranged splints (22 ), the splint (22) is a plate-shaped member arranged vertically, and the opposite surfaces of the splint (22) are respectively fixedly connected with guide rods (24) arranged horizontally, and the guide rods (24) are horizontally slidable fit in the guide hole (23), and the end of the guide rod (24) away from the splint (22) passes through the guide hole (23) and is hinged to the upper end of the third connecting rod (18). 9. The vibration damping device for mechanical equipment according to claim 8, characterized in that, a third coil spring (21) is horizontally arranged between the clamping plate (22) and the connecting plate (20), and the third coil spring (21) Both ends of the coil spring (21) are respectively fixedly connected to the opposite surfaces of the clamping plate (22) and the connecting plate (20). 10. The vibration damping device for mechanical equipment according to claim 6, characterized in that, the upper surface of the bottom plate (1) is recessed to form a slide groove (11), and the slider (12) is slidably fitted on the in the chute (11).