Hoisting device for highway construction
Technical Field
The invention relates to the technical field of lifting devices, in particular to a lifting device for highway construction.
Background
In highway construction, after road surface construction is accomplished, need install the guardrail in both sides, when installing the guardrail board, at first annotate the position in highway both sides, dig the hole and put into the hole with the stand, tamp after adjusting its straightness that hangs down and horizontal position, then, move the guardrail board to the stand by, use bolt and nut to fix it on the stand, the lateral wall of stand and guardrail board all is equipped with the through-hole, supplies the bolt to pass.
However, in the installation process, the lifting of the guardrail plates manually is not only laborious, but also difficult to keep stable, so that the guardrail plates are usually lifted by using the lifting device, the existing lifting device can only lift one guardrail plate at a time, after the guardrail plate is installed, the lifting device needs to be pushed back to lift the next guardrail plate, and the lifting device is pushed back and forth, so that time and labor are wasted, and the installation efficiency of the guardrail plates is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a lifting device for highway construction.
The lifting device for highway construction comprises a bottom frame and a lifting suspension rod, wherein the upper surface of the bottom frame is fixedly connected with an inverted L-shaped frame, the upper surface of the inverted L-shaped frame is fixedly connected with a handle bar, one side wall of the handle bar is fixedly connected with the lifting suspension rod, the upper surface of the bottom frame is provided with an annular groove, a placing plate is arranged above the annular groove, the upper surface of the placing plate is fixedly connected with a plurality of stop rods, a sliding block is arranged below the placing plate and is in sliding connection with the inner wall of the annular groove, a clamping groove is formed in the lower surface of the sliding block, a roller is arranged in the clamping groove, the roller is in contact with the bottom of the annular groove, a cavity is formed in the placing plate, a stirring assembly is arranged in the cavity, the upper surface of the placing plate is provided with a through hole, and one end of the stirring assembly penetrates through the through hole and extends to the outer portion of the cavity.
Preferably, the material stirring assembly comprises a setting block fixedly connected with the inner wall of the cavity, a rotating shaft is rotatably connected to the side wall of one side of the setting block, a magnetic fluctuation rod is fixedly connected to the outer wall of the rotating shaft, one end of the magnetic fluctuation rod penetrates through the through hole and extends to the outside of the cavity, and a fluctuation rod driving connecting piece is arranged in the cavity.
Preferably, the magnetic fluctuation rod comprises a rod body, one end of the rod body is fixedly sleeved on the outer wall of the rotating shaft, a strip-shaped groove is formed in the other end of the rod body, a plurality of magnet sheets are arranged in the strip-shaped groove, a pressing plate is arranged in the strip-shaped groove, a bolt is connected with one side wall of the rod body in a threaded manner, and one end of the bolt penetrates through the rod body and abuts against the pressing plate.
Preferably, the fluctuation rod drive connecting piece includes the sliding sleeve with place board fixed connection, and the inner wall sliding connection of sliding sleeve has the rack, the one end fixedly connected with gear of pivot, and gear and rack engagement, one side lateral wall fixedly connected with connecting rod of rack, and the one end fixedly connected with round pin axle of connecting rod, the inner wall fixedly connected with backup pad of chassis, and the upper surface fixedly connected with fixed axle of backup pad, the one end of fixed axle runs through and places the board and extend to the inside setting of cavity, and the fixed axle one end fixedly connected with fixed disk that is located the cavity is inside, and the guide slot has been seted up to the upper surface of fixed disk, the one end of round pin axle is located the inside setting of guide slot.
Preferably, the outer wall of the pin shaft is rotatably connected with a rotating sleeve, and the outer wall of the rotating sleeve is in contact with the inner wall of the guide groove.
Preferably, the outer wall of the connecting rod is fixedly connected with a limiting ring, and the limiting ring is fixedly connected with the inner wall of the cavity.
Preferably, the outer wall of the sliding block is fixedly sleeved with a retaining ring cover, and the outer wall of the retaining ring cover is in sliding connection with the inner wall of the annular groove.
Preferably, the inner wall of the annular groove is fixedly connected with a stop block.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the placement plate is arranged, so that the guardrail plate can be piled on the placement plate when the device is used, so that a plurality of guardrail plates can be transported once when the device is used, after one guardrail plate is installed, the device is not required to be pushed back, the guardrail plate on the placement plate can be directly lifted for next installation, the problem of time and labor waste caused by pushing the lifting device back and forth is avoided, and the installation efficiency of the guardrail plate is improved.
According to the invention, before the device is pushed to move, the placing plate can be manually pushed to rotate, the rotating placing plate can drive the guardrail plate to rotate, and then the transverse guardrail plate is rotated to the vertical position, so that the pushing of the device is not influenced by the over-width of the guardrail plate when the device is pushed to the front of the upright post, the practicability of the device can be improved through a narrower position, the placing plate can be pushed to rotate reversely again when the guardrail plate is lifted, the rotating placing plate drives the guardrail plate to rotate reversely, and then the vertical guardrail plate is rotated to the transverse position, and the guardrail plate is lifted conveniently.
According to the invention, the magnetic fluctuation rod is matched with the fluctuation rod driving connecting piece and the like, when the placement plate is manually pushed to rotate, the fluctuation rod driving connecting piece can drive the magnetic fluctuation rod to rotate, so that one side of the magnetic fluctuation rod is lapped on one side of the guardrail plate, when the placement plate is pushed back again, the fluctuation rod driving connecting piece can drive the magnetic fluctuation rod to rotate back, and when the fluctuation rod is rotated back, the magnetic fluctuation rod is driven to drive one guardrail plate, so that the guardrail plate can guide one side of a stop lever on the other side, one guardrail plate is separated from the plurality of guardrail plates, the hole of one guardrail plate is exposed, and further, when the guardrail plate is lifted, the lifting hook is conveniently hung in the hole, and further, when the guardrail plate is lifted, the lifting of the guardrail plate is convenient.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic three-dimensional structure of a placement plate of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is a schematic cross-sectional view of a placement plate of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5B;
FIG. 7 is an enlarged schematic view of FIG. 5 at C;
FIG. 8 is a schematic view of a three-dimensional structure of a retaining ring cover according to the present invention;
fig. 9 is a schematic three-dimensional structure of the fixing plate of the present invention.
In the figure, 1, a chassis; 2, lifting hanging rods, 3, an inverted L-shaped frame, 4, a handle rod, 5, an annular groove, 6, a placing plate, 7, a stop lever, 8, a sliding block, 9, a clamping groove, 10, a roller, 11, a cavity, 12, a through hole, 13, an erection block, 14, a rotating shaft, 15, a magnetic fluctuation rod, 16, a sliding sleeve, 17, a rack, 18, a gear, 19, a connecting rod, 20, a pin shaft, 21, a supporting plate, 22, a fixed shaft, 23, a fixed disc, 24, a guide groove, 25, a rotating sleeve, 26, a limiting ring, 27, a stop ring cover, 28, a stop block, 151, a rod body, 152, a bolt, 153, a strip-shaped groove, 154, a magnet sheet, 155 and a pressing plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-9, a lifting device for highway construction comprises a bottom frame 1 and a lifting suspension rod 2, wherein an inverted L-shaped frame 3 is fixedly connected to the upper surface of the bottom frame 1, a handle rod 4 is fixedly connected to the upper surface of the inverted L-shaped frame 3, one side wall of the handle rod 4 is fixedly connected with the lifting suspension rod 2, an annular groove 5 is formed in the upper surface of the bottom frame 1, a placing plate 6 is arranged above the annular groove 5, a plurality of stop rods 7 are fixedly connected to the upper surface of the placing plate 6, a sliding block 8 is arranged below the placing plate 6, the sliding block 8 is in sliding connection with the inner wall of the annular groove 5, a clamping groove 9 is formed in the lower surface of the sliding block 8, a rolling roller 10 is arranged in the clamping groove 9, the rolling roller 10 is in contact with the bottom of the annular groove 5, a cavity 11 is formed in the placing plate 6, a stirring component is arranged in the cavity 11, a through hole 12 is formed in the upper surface of the placing plate 6, and one end of the stirring component penetrates through the through hole 12 and extends to the outside of the cavity 11.
According to the structure, the guardrail plates can be piled on the placing plates 6 when the device is used by arranging the placing plates 6, so that the device can transport a plurality of guardrail plates once when in use, after one guardrail plate is installed, the device is not required to be pushed back, the guardrail plates on the placing plates 6 can be directly lifted for next installation, the problem of time and labor waste caused by pushing the lifting device back and forth is solved, the installation efficiency of the guardrail plates is improved, the placing plates 6 can be manually pushed to rotate before the device is pushed to move, the rotating placing plates 6 can drive the guardrail plates to rotate, and then the transverse guardrail plates are rotated to the vertical position, so that the pushing of the device is not influenced by the fact that the guardrail plates are too wide when the device is pushed to the front of the upright post, the practicability of the device can be improved through the narrower position.
Further, the material stirring assembly comprises a setting block 13 fixedly connected with the inner wall of the cavity 11, a rotating shaft 14 is rotatably connected to the side wall of one side of the setting block 13, a magnetic fluctuation rod 15 is fixedly connected to the outer wall of the rotating shaft 14, one end of the magnetic fluctuation rod 15 penetrates through the through hole 12 and extends to the outside of the cavity 11, a fluctuation rod driving connecting piece is arranged in the cavity 11, the magnetic fluctuation rod 15 and the fluctuation rod driving connecting piece are matched for use, when the placing plate 6 is manually pushed to rotate, the fluctuation rod driving connecting piece can drive the magnetic fluctuation rod 15 to rotate, one side of the magnetic fluctuation rod 15 is placed on one side of the guardrail plate, when the placing plate 6 is pushed to reversely rotate again, the fluctuation rod driving connecting piece can drive the magnetic fluctuation rod 15 to rotate back, and when the magnetic fluctuation rod 15 is rotated back, one guardrail plate is driven to one side of the stop rod 7 on the other side of the guardrail plate, one guardrail plate is separated from the plurality of guardrail plates, the hole of the one guardrail plate is exposed, when the guardrail plate is lifted manually, the lifting hook is lifted conveniently, and the lifting hole is further convenient when the guardrail plate is lifted.
Further, the magnetic fluctuation rod 15 comprises a rod body 151, one end of the rod body 151 is fixedly sleeved on the outer wall of the rotating shaft 14, a strip groove 153 is formed in the other end of the rod body 151, a plurality of magnet sheets 154 are arranged in the strip groove 153, a pressing plate 155 is arranged in the strip groove 153, one side wall of the rod body 151 is in threaded connection with a bolt 152, one end of the bolt 152 penetrates through the rod body 151 and abuts against the pressing plate 155, the rod body 151 is provided with magnetism through the cooperation of the magnet sheets 154 and the rod body 151, the rod body 151 can absorb the guardrail plate, the device can increase or decrease the magnetism of the device through the magnet sheets 154, and therefore the device can only absorb one guardrail plate at a time.
Further, the fluctuation rod driving connecting piece comprises a sliding sleeve 16 fixedly connected with the placing plate 6, the inner wall of the sliding sleeve 16 is slidably connected with a rack 17, one end of the rotating shaft 14 is fixedly connected with a gear 18, the gear 18 is meshed with the rack 17, one side wall of the rack 17 is fixedly connected with a connecting rod 19, one end of the connecting rod 19 is fixedly connected with a pin shaft 20, the inner wall of the underframe 1 is fixedly connected with a supporting plate 21, the upper surface of the supporting plate 21 is fixedly connected with a fixed shaft 22, one end of the fixed shaft 22 penetrates through the placing plate 6 and extends to the inside of the cavity 11, one end of the fixed shaft 22 positioned in the cavity 11 is fixedly connected with a fixed disc 23, the upper surface of the fixed disc 23 is provided with a guide groove 24, and one end of the pin shaft 20 is positioned in the guide groove 24; by arranging the pin shaft 20 and the guide groove 24 and the like to be matched for use, when the placement plate 6 is rotated, the rotating placement plate 6 can drive the rack 17 to rotate with the pin shaft 20 and the like, after the pin shaft 20 rotates to a certain position, the pin shaft 20 is guided by the guide groove 24 to pull the connecting rod 19 to move, the moving connecting rod 19 can drive the rack 17 to move, the moving rack 17 drives the gear 18 to rotate, the rotating gear 18 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the rod body 151 to rotate, after the rod body 151 rotates for a certain angle, the rod body 151 contacts the guardrail plates, when the placement plate 6 is reversely rotated, the reverse placement plate 6 drives the rack 17 to reversely rotate with the pin shaft 20, so that the pin shaft 20 can reversely rotate through the rack 17 and the like, the reversely rotated gear 18 drives the rod body 151 to reversely rotate, and at the moment, the reversely rotated rod body 151 drives one guardrail plate through the magnet sheet 154 to guide the guardrail plate to one side of the other guardrail plate to the other side of the stop lever 7, so that one guardrail plate is separated from the guardrail plates, the hole of one of the guardrail plates is exposed, so that the lifting hook is conveniently hung in the hole when the guardrail plate is lifted, and further, the guardrail plate is conveniently lifted when the guardrail plate is lifted.
Further, the outer wall of the pin shaft 20 is rotatably connected with a rotating sleeve 25, the outer wall of the rotating sleeve 25 is in contact with the inner wall of the guide groove 24, and by arranging the rotating sleeve 25, sliding friction between the pin shaft 20 and the guide groove 24 can be converted into rotating friction between the rotating sleeve 25 and the guide groove 24, so that friction force can be reduced.
Further, the outer wall of the connecting rod 19 is fixedly connected with the limiting ring 26, the limiting ring 26 is fixedly connected with the inner wall of the cavity 11, and the connecting rod 19 can be limited by arranging the limiting ring 26, so that the stability of the connecting rod 19 in moving is ensured.
Further, the retaining ring cover 27 is fixedly sleeved on the outer wall of the sliding block 8, the outer wall of the retaining ring cover 27 is slidably connected with the inner wall of the annular groove 5, and one end of the annular groove 5 can be sealed by the retaining ring cover 27, so that dust and the like are prevented from falling into the annular groove 5.
Further, the stop block 28 is fixedly connected to the inner wall of the annular groove 5, and by arranging the stop block 28, the stop block 28 is matched with the sliding block 8 after the placing plate 6 rotates for a certain angle, so that the placing plate 6 can be prevented from continuously rotating.
In the invention, when in use, the device is pushed to one side of a stacked guardrail plate, then the lifting hook of the lifting boom 2 is hung in a hole of the guardrail plate, namely, the guardrail plate can be lifted to the placing plate 6 through the lifting boom 2, then the guardrail plate is vertically stacked on the placing plate 6, so that the guardrail plate leans against the stop lever 7 at one side far from the magnetic fluctuation rod 15, and after a certain number of guardrail plates are stacked, the device can be pushed to one side of the upright post for installation;
before pushing the device to one side of the upright post, the placing plate 6 can be manually pushed to rotate, the rotating placing plate 6 can drive the guardrail plates to rotate, and then the transverse guardrail plates are rotated to the vertical position, so that the pushing of the device is not influenced by the too wide guardrail plates when the device is pushed to the front of the upright post, and the device can pass through a narrower position;
When the placement plate 6 is rotated, the rotating placement plate 6 can drive the racks 17, the pin shafts 20 and the like to rotate, after the pin shafts 20 rotate to a certain position, the pin shafts 20 are guided by the guide grooves 24 to pull the connecting rods 19 to move, the moving connecting rods 19 can drive the racks 17 to move, the moving racks 17 drive the gears 18 to rotate, the rotating gears 18 drive the rotating shafts 14 to rotate, the rotating shafts 14 drive the rod bodies 151 to rotate, and after the rod bodies 151 rotate a certain angle, the rod bodies 151 contact the guardrail plates, so that the placement plate 6 can be stopped from being pushed to rotate;
After the device moves to one side of the upright post, the placing plate 6 can be pushed to rotate reversely again, the rotating placing plate 6 drives the guardrail plate to rotate reversely, and then the upright guardrail plate is rotated to a transverse position, so that when the guardrail plate is lifted, the guardrail plate is lifted conveniently;
When the plate 6 is placed in the reversal, the plate 6 drives the rack 17 to rotate reversely with the pin 20, so that the pin 20 can drive the gear 18 to rotate reversely through the rack 17 and the like, the reversely rotated gear 18 drives the rod body 151 to rotate reversely, at the moment, the reversely rotated rod body 151 drives one guardrail plate through the magnet sheet 154, so that the guardrail plate is led to one side of the stop lever 7 on the other side, one guardrail plate is separated from the plurality of guardrail plates, the hole of one guardrail plate is exposed, the lifting hook is conveniently hung in the hole when the guardrail plate is lifted, and further, when the guardrail plate is lifted, the lifting of the guardrail plate is convenient, and therefore, after one guardrail plate is installed, the device is pushed to the next installation position for installation.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.