CN105858268B - Lift self-mountable ＆ dismountuble express delivery cabinet - Google Patents

Abstract

A lifting and detachable express cabinet includes a rectangular parallelepiped frame, a shelf layer fixed on the rectangular parallelepiped frame, a lifting part, a driving part and other auxiliary parts. The present invention can conveniently and labor-savingly load the heavier express cabinets equipped with express from the ground onto the transport vehicle, and can also conveniently unload them from the transport vehicle, and the whole process can be realized by only one or two people. This express cabinet is not only suitable for store-style distribution express, but also for stall-style and door-to-door express delivery. At the same time, it can also solve some problems in the existing express delivery methods, such as violent sorting and rain prevention. Influenced by snow weather, etc., it has strong practicability and quickness.

Description

Liftable detachable express cabinet

technical field

The invention relates to a mechanical detachable express cabinet, especially suitable for loading and unloading small vans, for loading and unloading integrated express cabinets equipped with express delivery, and for storefront or display cabinets after unloading the express cabinet. Spread the distribution express.

Background technique

Express delivery has undoubtedly penetrated into our lives. Its existence facilitates our lives, but at the same time, there are many problems in the delivery of express delivery, such as messy delivery, large delivery volume, high labor intensity of delivery personnel, low delivery efficiency, and violent sorting of express delivery. , damaged or even lost express delivery, and the inability to cope with rainy and snowy weather. Some express companies have also launched many express cabinets for self-service express delivery. There are some problems in the express delivery industry, so there is an urgent need for a new convenient, fast and practical express cabinet to solve these problems. This design is convenient, fast and practical.

The loading and unloading of heavier and larger express cabinets can be realized with simple devices, and the application of express cabinets solves problems such as violent sorting. It can use 1-2 people to realize the loading and unloading of the express delivery vehicle, and reduces the number of loading and unloading of the express delivery in the whole express delivery process. In this respect, it also contributes to reducing the number and intensity of the labor force. Each courier needs to be loaded onto the vehicle, but the pre-installed courier cabinets are directly pulled away. In this process, the loading and unloading of the courier cabinets is also used, which improves the operational efficiency of the process and saves a lot of time. The courier cabinets The use of express also reduces or even eliminates the violent loading, unloading and sorting of express delivery.

Although the current domestic express cabinets are large in size, can hold a large number of express deliveries, and have a high degree of automation, which can realize self-service pick-up and delivery by consumers, there are still many problems, which cannot meet the distribution of the current quantity of express delivery, and It is large in size and heavy in weight, and is not suitable for transportation and changing locations. It is usually placed in a fixed place and cannot be moved, and the requirements for location selection are also high.

This design adopts special four-bar lifting and loading and unloading, which completely changes the previous forklift lifting and loading and unloading, and reduces labor intensity. The idea of four-bar lifting can reduce a lot of labor intensity. The use of express cabinets is more unique in this design and can solve the problem. There are many problems in the process of express transportation and loading and unloading, and the innovation in the use occasions also makes this design more reasonable and novel.

Contents of the invention

The technical problem to be solved by the present invention is to solve the problems existing in many aspects of the existing express delivery, such as the aforementioned violent sorting and dealing with rainy and snowy weather, etc., can realize mobile express delivery, and realize simple and convenient The loading and unloading of express cabinets with express delivery has changed the traditional express transportation and distribution methods. It has the characteristics of flexibility and convenience, and can achieve a large number of promotions. The applicable occasions are almost unlimited. At present, the express cabinets on the market do not have flexible and convenient functions. Features, most of them are large in size and heavy in weight, so they are not suitable for handling or mobile express distribution and services such as door-to-door delivery. But this invention design can realize that above-mentioned common express cabinet cannot realize, thereby has solved these problems.

A liftable detachable express cabinet of the present invention: comprising a cuboid frame and a shelf layer fixed on the cuboid frame, a lifting part, a driving part and other auxiliary parts;

The cuboid frame is welded by aluminum square tubes, and is used for the connection of the shelf layer for express delivery and the fixing and installation of the lifting part, driving part and other auxiliary parts; four lifting rods are fixed on the cuboid frame, and the lifting rod Universal wheels are installed at the bottom of the frame, and two universal wheels are respectively installed at the middle rear position and the front position of the cuboid frame;

The shelf layer fixed on the cuboid frame is a grid of different sizes for express delivery made of iron sheets or other materials, and is used for express delivery of different sizes.

The driving part includes a bidirectional pawl, a limit plate, a gear set support frame, a high-speed shaft pinion, an intermediate shaft large gear, a low-speed shaft large gear, a sprocket, a chain, a winding wheel, an intermediate shaft pinion, and a hand winch Switches, hand rockers. The hand rocker drives the high-speed shaft pinion, and then drives the intermediate shaft gear meshed with it, and the intermediate shaft pinion coaxial with the intermediate shaft gear drives the low-speed shaft gear, and then drives the winding wheel to rotate through the chain sprocket to make The wire rope is shortened, so that the lifting rod rises, and the express cabinet descends under the action of gravity by loosening the wire rope. The speed of rising and falling is controlled by the hand rocker, and the position of rising and falling is controlled by the two-way pawl, that is, it is realized during the lifting process. Stop at any position. The two-way pawl brake mechanism is to pull the hand winch switch so that the tension spring pulls the limit plate to drive the two-way pawl on the shaft to block the gear to achieve the purpose of braking. Since the pawl is two-way, it can realize the brake during the process of rising and falling. ;Due to the existence of the tension spring, when using the hand winch switch, it is very convenient and simple to realize the fixing of the limit and the two-way pawl.

The lifting part includes a small reversing pulley, a steel wire rope, a small square aluminum square tube, a large rectangular aluminum square tube, and a fluent strip. The aluminum square tube is embedded, that is, the small square aluminum square tube is embedded in the large rectangular aluminum square tube. In order to reduce the friction between the two, fluent bars or other rolling or sliding devices are installed where the large and small aluminum square tubes are close to reduce the contact friction between the large and small aluminum square tubes; also inside the large rectangular aluminum square tube and the small square The external design of the aluminum square tube is prominent to ensure that the two will not be separated when raised to the top, and there is a certain distance between the two ends of the large rectangular aluminum square tube and the small square aluminum square tube to withstand the occurrence during the whole process. The bending moment; each lifting rod is composed of a small square aluminum square tube and a large rectangular aluminum square tube, a small pulley is fixed inside the small square aluminum square tube, and a steel wire rope is wound on the small pulley, and one end of the steel rope is fixed on the small square aluminum the small pulley inside the square tube, and then the steel wire rope comes out of the small hole next to the small pulley and enters the small pulley at the far end of the large rectangular aluminum square tube, and then winds in an S shape on the small pulley at the other end of the large rectangular aluminum square tube, and then from The protruding end of the steel wire rope can pass through the small reversing pulley installed on the cuboid frame for reversing, and finally the protruding end of the steel wire rope is wound on the winding wheel of the gear set. Finally, The protruding steel wire ropes of the two lifting rods located in front of the express cabinet are wound on the right gear set winding wheel, and the protruding steel wire ropes of the two lifting rods located at the rear of the express cabinet are wound on the left gear set winding wheel. The wire wheel shortens the wire ropes inside the four elevating rods at the same time, so as to achieve the purpose of rising;

The other auxiliary parts include the intermediate control linkage and eight universal wheels. The middle control linkage device is used to connect the left and right driving hand winch, which is convenient to achieve the purpose of lifting by shaking the hand lever on one side; the middle control linkage device includes the middle control linkage support frame, the middle control linkage device Switches, horizontally arranged bevel gears, intermediate cylindrical gears, telescopic rods, eccentric wheels, vertically arranged bevel gears, baffles, and spring plates; the support frame plays the role of support, and the two bevel gears are used for reversing. The rotary motion in the horizontal direction is converted into the rotary motion in the vertical direction; the eccentric wheel is used to advance the intermediate cylindrical gear and provide it with a stroke; the baffle plate and the spring plate (a tension spring is installed in the groove to connect them) The movement of the bevel gear of the counter-table is limited to a half-circle rotation, which causes the eccentric wheel to rotate a half-circle, and limits the movement of the intermediate cylindrical gear to the specified stroke, so that the intermediate cylindrical gear and the gear set are meshed and separated to achieve the purpose of use; the hand lever is provided The shaft of the rotating power, the middle cylindrical gear is on the telescopic rod, and the telescopic rod is responsible for the propulsion displacement of the eccentric wheel. The middle cylindrical gear is installed on the telescopic rod and can rotate freely on it, but it does not move in the axial direction ; There are eight universal wheels, which are used for alternate load-bearing to realize the loading and unloading of express cabinets, four of which are respectively installed at the bottom of the four lifting rods, which play the role of handling and support, and the other four are installed on the overall cuboid frame. At the bottom, the eight universal wheels are evenly distributed, but at the same time, the universal wheels at the bottom of the elevating pole and the universal wheels at the bottom of the cuboid frame are alternately distributed in pairs, and at the same time, the cargo is not at the same height when it is lifted, that is, it is in contact with the ground at the same time.

Beneficial effects of the present invention: the heavier express cabinets equipped with express delivery can be conveniently and labor-savingly loaded from the ground onto the transport vehicle, and can also be easily unloaded from the transport vehicle, and the whole process only requires one or two people can be achieved. This express cabinet is not only suitable for store-style distribution express, but also for stall-style and door-to-door express delivery. At the same time, it can also solve some problems in the existing express delivery methods, such as violent sorting and rain prevention. Influenced by snow weather, etc., it has strong practicability and quickness.

Description of drawings

Fig. 1 is a partial sectional view (front view) of the driving part (hand winch);

Fig. 2 is a partial schematic view (left view) of the driving part (hand winch);

Fig. 3 is a partial schematic view (top view) of the driving part (hand winch);

Fig. 4 is a schematic diagram (front view) of the elevating rod and its internal structure;

Fig. 5 is a schematic diagram (front view) of the intermediate control interlocking device and its internal structure;

Fig. 6 is a schematic diagram (axonometric view) when the liftable detachable express cabinet is not raised;

Figure 7 is a schematic diagram (axonometric view) when the liftable detachable express cabinet has been raised;

Fig. 8 is a schematic diagram (front view) of a liftable detachable express cabinet;

Fig. 9 is a schematic diagram (left view) of a liftable detachable express cabinet;

Fig. 10 is a schematic diagram (top view) of a liftable detachable express cabinet;

Fig. 11 is a schematic diagram (front view) of the working state 1 of the liftable detachable express cabinet;

Fig. 12 is a schematic diagram (front view) of the working state 2 of the liftable detachable express cabinet;

Fig. 13 is a schematic diagram (front view) of working state 3 of the liftable detachable express cabinet;

Fig. 14 is a schematic diagram (front view) of the working state 4 of the liftable detachable express cabinet;

Fig. 15 is a schematic diagram (front view) of the working state 5 of the liftable detachable express cabinet;

Fig. 16 is a schematic diagram (front view) of working state 6 of the liftable detachable express cabinet;

Fig. 17 is a schematic diagram (front view) of the working state 7 of the liftable detachable express cabinet;

In the figure: 1-two-way pawl; 2-limit plate; 3-gear set support frame; 4-pinion; 5-intermediate shaft gear; 6-low speed shaft gear; 7-sprocket; 8-chain ;9-Winding wheel; 10-Intermediate shaft pinion; 11-Hand winch switch; 12-Hand lever; 13-Reversing small pulley; 14-Wire rope; 15-Small square aluminum square tube; 16-Large rectangle Aluminum square tube; 17-Fluent bar; 18-Support frame of intermediate control linkage device; 19-Switch of intermediate control linkage device; 20-Horizontal arrangement of bevel gears; 21-Middle cylindrical gear; 22-Telescopic rod; 23-Eccentric Wheel; 24- vertical arrangement of bevel teeth; 25- baffle plate; 26- spring plate; 27- hand winch; 28- middle control part.

specific implementation plan

For ease of understanding, the following describes in detail in combination with preferred embodiments and accompanying drawings.

The present invention can complete the fast and labor-saving loading and unloading truck for the express cabinet full of express delivery. At first, as shown in the state 1 of Figure 11, the express cabinet has not been raised. At this time, the hand winches on the left and right sides are first switched (11) Turn to the left and right sides respectively, so that the gear set can only rotate in the direction of elongation of the lifting rod (Fig. 4), but cannot rotate in the opposite direction. This is due to the effect of the bidirectional pawl (1), while (1) It can be easily and quickly stuck in the tooth groove of the intermediate shaft gear (5) because of the action of the limit plate (2) and the extension spring on it, and the extension spring can make good use of the limit plate (2) The track groove designed above uses the sticking point on the track to realize the application of force to the bidirectional pawl (1); The role of the spring makes the whole process convenient and smooth, and the existence of the middle baffle (25) realizes the fixed and accurate rotation angle, and at the same time drives the middle horizontally arranged table bevel teeth (20) and vertically arranged table bevel teeth (24) to rotate for half a circle Thereby driving the eccentric wheel (23) to rotate 90 °, the telescopic rod (22) is pushed out of the corresponding stroke, so that the middle cylindrical gear meshes with the low-speed shaft gear (6) of the left and right gear sets, and now only needs to shake a hand rocker ( 12) The rotation of the two groups of gear sets can be realized so that the express cabinet can rise as a whole. The specific principle is that shaking the hand rocker (12) drives the reel 9 to rotate so that the steel wire rope (14) on it is shortened so that the elevating rod (Fig. 4) rises, because the shortened length of the steel wire rope (14) is the same, so it can be Realize the simultaneous rise of the four elevating rods; when the elevating rod drives the express cabinet to rise as a whole until the front pair of universal wheels are flush with the bottom surface of the carriage, as shown in Figure 12 State 2, the express cabinet can be pushed forward to the When the front pair of universal wheels are in contact with the bottom of the compartment, and the two lifting rods at the front are about to touch the edge of the compartment, as shown in Figure 13 State 3, turn the middle control linkage device switch (19) counterclockwise for half a turn Hit to the highest point, so that the middle cylindrical gear is separated from the low-speed shaft gear (6) of the left and right gear sets, and the hand winch switch (11) on the winch on the right side of the front two lifting rods is hit to the middle position, so that The two-way ratchet (1) no longer controls the one-way rotation of the hand winch (27), then turns the hand rocker (12) in the opposite direction, and simultaneously lifts up the front two elevating rods, so that the universal wheels installed below the elevating rod are aligned with the The bottom of the compartment is tangent, as shown in state 4 in Figure 14; since the entire express cabinet is supported by the front pair of universal wheels and the last pair of universal wheels, it can be realized, and then the express cabinet is pushed forward, when the rearmost When the two elevating rods are close to the edge of the carriage, as shown in Figure 15 State 5; at this time, since the whole express cabinet is supported by a pair of front, a pair of middle and front, a pair of middle and rear, and a total of three pairs of universal wheels, it can also be Lift up the last two lifting rods, as shown in state 6 in Figure 16; make the universal wheels tangent to the bottom of the carriage, so that the express cabinet can be loaded onto the car as a whole, and the loading process is completed, as shown in state 7 in Figure 17 Show.

The process of unloading the express cabinet is opposite to the process and operation of loading it into the car, so it will not be described again.

The above descriptions are only examples of the present invention, and are not intended to limit the patent scope of the present invention. All transformations of structures, materials and uses made by utilizing the contents of the present invention and accompanying drawings are all equally included in the scope of patent protection of the present invention.

Claims (1)

1. A liftable detachable express cabinet: it is characterized in that: the express cabinet includes a cuboid frame and a shelf layer fixed on the cuboid frame, a lifting part, a drive part and other auxiliary parts; The cuboid frame is welded by aluminum square tubes, and is used for the connection with the shelf layer for express delivery and the fixing and installation of the lifting part, driving part and other auxiliary parts; four lifting rods are fixed on the cuboid frame. The bottom of the rod is equipped with universal wheels, and the middle rear position and the front position of the cuboid frame are respectively equipped with two universal wheels; The shelf layer fixed on the cuboid frame is a grid with different sizes of express delivery made of iron sheets or other materials, and is used for express delivery of different sizes; The driving part includes a bidirectional pawl, a limit plate, a gear set support frame, a high-speed shaft pinion, an intermediate shaft large gear, a low-speed shaft large gear, a sprocket, a chain, a winding wheel, an intermediate shaft pinion, and a hand winch Switch, hand rocker; the hand rocker drives the high-speed shaft pinion, and then drives the intermediate shaft gear meshed with it, and the intermediate shaft pinion coaxial with the intermediate shaft gear drives the low-speed shaft gear, and then drives the chain sprocket The rotation of the winding wheel shortens the wire rope, which makes the lifting rod rise, and the express cabinet descends under the action of gravity by loosening the wire rope. That is, stop at any position during the lifting process; the two-way pawl brake mechanism is to pull the hand winch switch so that the tension spring pulls the limit plate to drive the two-way pawl on the shaft to block the gear to achieve the purpose of braking, because the pawl is two-way , so the brakes during the ascent and descent can be realized; due to the existence of the tension spring, the limit and the fixation of the two-way pawl can be easily and simply realized when the hand winch switch is used; The lifting part includes a small reversing pulley, a steel wire rope, a small square aluminum square tube, a large rectangular aluminum square tube, and a fluent strip. The aluminum square tube is embedded, that is, the small square aluminum square tube is embedded in the large rectangular aluminum square tube. In order to reduce the friction between the two, fluent bars or other rolling or sliding devices are installed where the large and small aluminum square tubes are close to reduce the contact friction between the large and small aluminum square tubes; also inside the large rectangular aluminum square tube and the small square The external design of the aluminum square tube is prominent to ensure that the two will not be separated when raised to the top, and there is a certain distance between the two ends of the large rectangular aluminum square tube and the small square aluminum square tube to withstand the occurrence during the whole process. The bending moment; each lifting rod is composed of a small square aluminum square tube and a large rectangular aluminum square tube, a small pulley is fixed inside the small square aluminum square tube, and a steel wire rope is wound on the small pulley, and one end of the steel rope is fixed on the small square aluminum the small pulley inside the square tube, and then the steel wire rope comes out of the small hole next to the small pulley and enters the small pulley at the far end of the large rectangular aluminum square tube, and then winds in an S shape on the small pulley at the other end of the large rectangular aluminum square tube, and then from The protruding end of the steel wire rope can pass through the small reversing pulley installed on the cuboid frame for reversing, and finally the protruding end of the steel wire rope is wound on the winding wheel of the gear set. Finally, The protruding steel wire ropes of the two lifting rods located in front of the express cabinet are wound on the right gear set winding wheel, and the protruding steel wire ropes of the two lifting rods located at the rear of the express cabinet are wound on the left gear set winding wheel. The wire wheel shortens the wire ropes inside the four elevating rods at the same time, so as to achieve the purpose of rising; The other auxiliary parts include the middle control interlocking device and eight universal wheels; the middle control interlocking device is used to connect the left and right driving hand winch, which is convenient to achieve the purpose of lifting by shaking the hand lever on one side; the middle The control linkage device includes the support frame of the intermediate control linkage device, the switch of the intermediate control linkage device, the horizontally arranged bevel gear, the middle cylindrical gear, the telescopic rod, the eccentric wheel, the vertically arranged bevel gear, the baffle plate, and the spring plate; The support frame plays the role of support, and the two bevel teeth are used for reversing, converting the horizontal rotational motion into vertical rotational motion; the eccentric wheel is used to propel the intermediate cylindrical gear and provide it with stroke; The plate and the spring plate limit the movement of a pair of bevel gears to half a circle, thus causing the eccentric wheel to rotate half a circle, and restricting the movement of the middle cylindrical gear to the specified stroke, so that the middle cylindrical gear and the gear set are meshed and separated to achieve the purpose of use ;The hand rocker is the shaft that provides the rotating power, the middle cylindrical gear is on the telescopic rod, and the telescopic rod is responsible for the propulsion displacement of the eccentric wheel, the middle cylindrical gear is installed on the telescopic rod, and can rotate freely on it, but it does not There will be movement in the axial direction; there are eight universal wheels, which are used for alternate load-bearing to realize the loading and unloading of express cabinets, four of which are installed at the bottom of the four lifting rods to carry and support, and the other four Installed at the bottom of the overall cuboid frame, the eight universal wheels are evenly distributed, but at the same time, the universal wheels at the bottom of the lifting rod and the universal wheels at the bottom of the cuboid frame are alternately distributed in pairs, and at the same time, the goods are not at the same height when they are raised. That is, contact with the ground at the same time.