CN111620248A

CN111620248A - Gantry hanger for road and bridge construction

Info

Publication number: CN111620248A
Application number: CN202010587056.7A
Authority: CN
Inventors: 吴学峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-09-04

Abstract

The invention relates to the technical field of gantry hangers for bridge construction, in particular to a gantry hanger for road and bridge construction, which comprises a supporting plate and two fixing plates, wherein the two fixing plates are symmetrically arranged, the top ends of the two fixing plates are fixedly connected with two supporting columns, a connecting rod is fixedly connected between the two supporting columns, a first sliding chute is arranged at the top end of each supporting column, a square column is slidably connected inside the first sliding chute, a threaded hole is formed in the bottom end of the square column, a first screw rod is screwed in the threaded hole, a square groove is formed in the supporting column below the first sliding chute, a first bevel gear is fixedly connected with the bottom end of the first screw rod, which extends to the inside of the square groove, a rotating shaft is arranged on the outer side of each supporting column, and a second bevel gear is fixedly connected; its simple structure, convenient to detach transports, can highly adjust it, is convenient for adjust its angle simultaneously, has improved the practicality of its use, reduces its use limitation.

Description

Gantry hanger for road and bridge construction

Technical Field

The invention relates to the technical field of gantry hangers for bridge construction, in particular to a gantry hanger for road and bridge construction.

Background

The road and bridge generally consists of a plurality of parts such as a roadbed, a road surface, a bridge, a tunnel engineering facility, a traffic engineering facility and the like.

Road and bridge need be with the apparatus of longmen gallows hoist and mount construction in the work progress, traditional longmen gallows simple structure, be not convenient for dismantle, the space that occupies is great, be not convenient for transport it, be not convenient for adjust its height and direction simultaneously, when needs from the car hoist and mount article downwards, need the manual work to remove article to the below of longmen gallows just can carry out the handling, a large amount of manpowers have not only been wasted, the efficiency of the handling that reduces, can't hoist it to higher article, the limitation of use is higher.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the gantry hanger for road and bridge construction, which has a simple structure, is convenient to disassemble and transport, can adjust the height of the gantry hanger, is convenient to adjust the angle of the gantry hanger, improves the practicability of the gantry hanger, and reduces the use limitation of the gantry hanger.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a gantry hanger for road and bridge construction comprises a supporting plate and two fixing plates, wherein the two fixing plates are symmetrically arranged, two supporting columns are fixedly connected to the top ends of the two fixing plates, a connecting rod is fixedly connected between the two supporting columns, a first sliding groove is formed in the top end of each supporting column, a square column is slidably connected to the inside of the first sliding groove, a threaded hole is formed in the bottom end of the square column, a first screw rod is screwed in the threaded hole, a square groove is formed in the inside of each supporting column below the first sliding groove, a first conical gear is fixedly connected to the bottom end of the first screw rod, which extends to the inside of the square groove, a rotating shaft is arranged on the outer side of each supporting column, a second conical gear is fixedly connected to one end, which extends to the inside of the square groove, is meshed with the first conical gear, a fixing block is fixedly connected to the top end of the outer, the left end front side, the left end rear side, the right end front side and the right end rear side of the supporting plate are fixedly connected with connecting blocks, the connecting blocks are inserted into the through grooves, second sliding grooves are formed in the fixing blocks below the through grooves, clamping columns are connected in the second sliding grooves in a sliding mode, compression springs are arranged in the second sliding grooves, the top ends of the compression springs are in contact with the bottom ends of the clamping columns, pull rods are fixedly connected with the bottom ends of the clamping columns, the bottom ends of the pull rods extend to the fixed block below and are fixedly connected with pull plates, clamping grooves are formed in the positions, corresponding to the clamping columns, of the bottom ends of the connecting blocks, the top ends of the clamping columns extend to the inside of the through grooves and are in connection and matching with the clamping grooves, a motor is arranged on the left side of the top end of the supporting plate, a speed reducer is fixedly connected to the left side of the motor, the output end, the inside of plectane is provided with the runner, and the inside of runner is rotated and is connected with the commentaries on classics piece, the output of speed reducer extends to the inside of runner and the top fixed connection who changes the piece, and the bottom of commentaries on classics piece extends to the below fixedly connected with commentaries on classics board of plectane, changes the bottom fixedly connected with guide rail of board, and the bottom of guide rail is provided with electric block, the right side fixedly connected with arc of the bottom of backup pad, the inside of arc is provided with the arc spout, the top of commentaries on classics board and the position fixedly connected with arc slider that the arc corresponds, arc slider and arc spout sliding fit.

Preferably, the both sides of the bottom of backup pad are connected with first fixed ear, and the bottom of the fixed ear of second is rotated and is connected with the second screw rod, and the outside spiral shell that the one end of first fixed ear was kept away from to the second screw rod is equipped with the adjusting collar, and the inside spiral shell that the one end of second screw rod was kept away from to the adjusting collar is equipped with the third screw rod, and the one end that the adjusting collar was kept away from to the third screw rod outside spiral shell is equipped with the screwed pipe, and the one end that the third screw rod was kept away from to the screwed pipe is rotated and is connected with the fixed ear of second, the inside wall fixed connection of the fixed ear of second and pillar, the spiral shell is equipped with lock nut on the third screw rod, and lock nut's bottom and screwed pipe keep away.

Preferably, two the front end of fixed plate is provided with the third spout, and the inside sliding connection of third spout has the slide bar, and the one end spiral shell that the slide bar extends to the fixed plate front side is equipped with the fourth screw rod, and the fourth screw rod extends to the one end fixedly connected with support of the below of slide bar, and the top fixedly connected with of fourth screw rod changes the handle first, and the outside threaded connection of two fixed plates has first screw, and first screw extends to the inside one end of third spout and the lateral wall contact of slide bar.

Preferably, the one end threaded connection that the square column was kept away from to the fixed block has the second screw, and the second screw extends to inside and the contact of the lateral wall of card post of second spout.

Preferably, the front side and the rear side of the bottom ends of the two fixing plates are fixedly connected with universal wheels with locking functions.

Preferably, one end of the rotating shaft extending to the outer side of the support is fixedly connected with a second rotating handle.

Preferably, the pillar is fixedly connected with the fixing plate through a rib plate.

Preferably, the centers of the arc-shaped sliding groove and the arc-shaped sliding block are on the central axis of the rotating block.

(III) advantageous effects

Compared with the prior art, the invention provides a gantry hanger for road and bridge construction, which has the following beneficial effects:

1. the motor drives the speed reducer to rotate, the speed reducer rotates to drive the rotating block to rotate, the rotating block rotates to drive the rotating plate to rotate, one end, far away from the rotating block, of the rotating plate is rotated to the front side of the hanging bracket, the object on the front side of the hanging bracket is convenient to hoist, the object on the side face of the hanging bracket is prevented from being manually hoisted below the hanging bracket, the hoisting time is saved, and the use performance of the hanging bracket is improved.

2. Make the card post remove downwards through the pulling cardboard to make the card post take out from the inside of draw-in groove, thereby be convenient for make the connecting block take out from leading to the inslot, through the spiral shell loose locking screw, and rotatory third screw rod makes the third screw rod screw out from the screwed pipe, thereby make backup pad and square column separation, thereby be convenient for dismantle the backup pad, reduce the shared space that has of gallows, be convenient for transport and carry the gallows.

3. Through rotatory second commentaries on classics handle, the second is changeed and is rotated and drive second conical gear and rotate, drives first conical gear through second conical gear and first conical gear mesh mutually and rotate, and first conical gear rotates and drives first screw rod and rotate, and first screw rod rotates and makes the square column slide in the inside of pillar to adjust electric block's height, be convenient for carry out the handling to the object of co-altitude or carry the object to different heights.

4. The first screw of spiro union pine slides to the front side with the pulling slide bar, makes the slide bar slide to foremost side and the first screw of spiro union is fixed the slide bar, makes the support downstream through rotatory first commentaries on classics handle to make support and ground contact support the gallows, improved the stability of gallows when carrying out the handling to the object of gallows front side.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structural connection of the pillar, the square column and the fixing block on the left fixing plate according to the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a schematic top view of the rotating plate of the present invention;

fig. 5 is a bottom view of the arc plate of the rotating plate of the present invention.

In the figure: 1. a support plate; 2. a fixing plate; 3. a pillar; 4. a connecting rod; 5. a first chute; 6. a square column; 7. a threaded hole; 8. a first screw; 9. a square groove; 10. a first bevel gear; 11. a rotating shaft; 12. a second bevel gear; 13. a fixed block; 14. a through groove; 15. connecting blocks; 16. a second chute; 17. clamping the column; 18. a compression spring; 19. a pull rod; 20. pulling a plate; 21. a card slot; 22. a motor; 23. a speed reducer; 24. a circular plate; 25. rotating the groove; 26. rotating the block; 27. rotating the plate; 28. a guide rail; 29. an electric hoist; 30. an arc-shaped plate; 31. an arc-shaped chute; 32. an arc-shaped sliding block; 33. a first fixing lug; 34. a second screw; 35. an adjusting sleeve; 36. a third screw; 37. a solenoid; 38. a second fixing lug; 39. locking the nut; 40. a third chute; 41. a slide bar; 42. a fourth screw; 43. a support; 44. a first rotating handle; 45. a first screw; 46. a second screw; 47. a universal wheel; 48. a second rotating handle; 49. a rib plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, a gantry crane for road and bridge construction comprises a support plate 1 and two fixing plates 2, wherein the two fixing plates 2 are symmetrically arranged, universal wheels 47 with locking function are fixedly connected to the front side and the rear side of the bottom ends of the two fixing plates 2, so that the gantry crane is convenient to move, can be fixed to improve the stability of the gantry crane when the gantry crane lifts objects, two support columns 3 are fixedly connected to the top ends of the two fixing plates 2, the support columns 3 are fixedly connected to the fixing plates 2 through rib plates 49, so that the stability of the connection between the support columns 3 and the fixing plates 2 is improved, a connecting rod 4 is fixedly connected between the two support columns 3, a first chute 5 is arranged at the top end of each support column 3, a square column 6 is slidably connected to the inside of the first chute 5, a threaded hole 7 is arranged at the bottom end of the square column 6, a first screw rod 8 is spirally arranged in the threaded hole 7, a square groove 9 is, the bottom end of the first screw 8 extends to the inside of the square groove 9 and is fixedly connected with a first bevel gear 10, the outer side of the pillar 3 is provided with a rotating shaft 11, one end of the rotating shaft 11 extending to the inside of the square groove 9 is fixedly connected with a second bevel gear 12, the second bevel gear 12 is meshed with the first bevel gear 10, one end of the rotating shaft 11 extending to the outer side of the pillar 3 is fixedly connected with a second rotating handle 48, the second rotating handle 48 rotates to drive the second bevel gear 12 to rotate by rotating the second rotating handle 48, the first bevel gear 10 is driven to rotate by the meshing of the second bevel gear 12 and the first bevel gear 10, the first bevel gear 10 rotates to drive the first screw 8 to rotate, the first screw 8 rotates to enable the square column 6 to slide in the pillar 3, so that the height of the electric hoist 29 is adjusted, objects with different heights can be hoisted and transported to different heights, the top end of the outer side of the square column 6 is fixedly connected with a fixed block 13, the inner side of the square column 6 is provided with a through groove 14 extending into the fixed block 13, the left end front side, the left end rear side, the right end front side and the right end rear side of the support plate 1 are all fixedly connected with a connecting block 15, the connecting block 15 is inserted into the through groove 14, a second sliding groove 16 is arranged in the through groove 14 in the fixed block 13, a clamping column 17 is slidably connected in the second sliding groove 16, a compression spring 18 is arranged in the second sliding groove 16, the top end of the compression spring 18 is contacted with the bottom end of the clamping column 17, the bottom end of the clamping column 17 is fixedly connected with a pull rod 19, the bottom end of the pull rod 19 extends to the fixed block 13 and is fixedly connected with a pull plate 20, one end of the fixed block 13 far away from the square column 6 is in threaded connection with a second screw 46, the second screw 46 extends to, the clamping column 17 is clamped and fixed through a second screw 46, the connecting stability of the clamping column 17 and the connecting block 15 is improved, meanwhile, the supporting plate 1 is convenient to disassemble, a clamping groove 21 is arranged at the position, corresponding to the clamping column 17, of the bottom end of the connecting block 15, the top end of the clamping column 17 extends into the through groove 14 and is connected and matched with the clamping groove 21, a motor 22 is arranged on the left side of the top end of the supporting plate 1, the model of the motor is Y80M1-2, a speed reducer 23 is fixedly connected to the left side of the motor 22 at the top end of the supporting plate 1, the output end of the motor 22 is connected with the input end of the speed reducer 23, a circular plate 24 is fixedly connected to the bottom end of the supporting plate 1 below the speed reducer 23, a rotary groove 25 is arranged inside the circular plate 24, a rotary block 26 is rotatably connected to the inside of the rotary groove 25, and the output end, the bottom end of the rotating block 26 extends to the lower part of the circular plate 24 and is fixedly connected with a rotating plate 27, the bottom end of the rotating plate 27 is fixedly connected with a guide rail 28, the bottom end of the guide rail 28 is provided with an electric hoist 29 for hoisting an object through the electric hoist 29, the right side of the bottom end of the support plate 1 is fixedly connected with an arc-shaped plate 30, an arc-shaped chute 31 is arranged inside the arc-shaped plate 30, the top end of the rotating plate 27 is fixedly connected with an arc-shaped slide block 32 corresponding to the arc-shaped plate 30, the arc-shaped slide block 32 is in sliding fit with the arc-shaped chute 31, the circle centers of the arc-shaped slide block 31 and the arc-shaped slide block 32 are arranged on the central axis of the rotating block 26 through the arc shape, so that the arc-shaped slide block 32 can rotate in the arc-shaped chute 31, the rotating plate 27 can rotate, the speed reducer 23 is driven by the motor 22 to rotate, the, the article to the gallows side of being convenient for carry out the handling, prevent that the manual work from removing the article of gallows side and carry out the handling below the gallows, saved the time of handling, improved its usability of using.

It should be further noted that two sides of the bottom end of the supporting plate 1 are connected with first fixing lugs 33, the bottom end of the second fixing lug 38 is rotatably connected with a second screw 34, an outer side of one end of the second screw 34, which is far away from the first fixing lug 33, is screwed with an adjusting sleeve 35, an inner side of one end of the adjusting sleeve 35, which is far away from the second screw 34, is screwed with a third screw 36, an outer side of one end of the third screw 36, which is far away from the adjusting sleeve 35, is screwed with a screw tube 37, one end of the screw tube 37, which is far away from the third screw 36, is rotatably connected with a second fixing lug 38, the second fixing lug 38 is fixedly connected with the inner side wall of the pillar 3, the third screw 36 is screwed with a locking nut 39, the bottom end of the locking nut 39 is in contact with one end of the screw tube 37, which is far away from the second fixing lug 38, the locking nut 39 is screwed to fix the third screw 36, so, the third screw rod 36 can rotate out of the screw tube 37 conveniently, the third screw rod 36 is separated from the screw tube 37, the support plate 1 can be disassembled conveniently, the direction of the thread spiral of the second screw rod 34 is opposite to that of the third screw rod 36, the distance between the first fixing lug 33 and the second fixing lug 38 can be adjusted conveniently by rotating the adjusting sleeve 35, the tension between the square column 6 and the support plate 1 is improved, the connection stability between the square column 6 and the support plate 1 is improved, the front ends of the two fixing plates 2 are provided with third sliding grooves 40, the sliding rods 41 are connected in the third sliding grooves 40 in a sliding manner, one ends of the sliding rods 41 extending to the front side of the fixing plate 2 are provided with fourth screw rods 42 in a threaded manner, one ends of the fourth screw rods 42 extending to the lower side of the sliding rods 41 are fixedly connected with supporting seats 43, the top ends of the fourth screw rods 42 are fixedly connected with first rotating handles 44, the outer side of the two, one end of the first screw 45 extending to the inside of the third sliding chute 40 is in contact with the outer side wall of the sliding rod 41, the first screw 45 is loosened, the sliding rod 41 is pulled to slide towards the front side, the support 43 moves downwards by rotating the first rotating handle 44, the support 43 is in contact with the ground to support the hanger, and the stability of the hanger is improved when an object at the front side of the hanger is hoisted.

In summary, when the portal crane for road and bridge construction is used, firstly, the four connecting blocks 15 are inserted into the through groove 14, the clamping posts 17 are clamped inside the clamping grooves 21, the second screws 46 are screwed tightly to fix the clamping posts 17, then the third screws 36 are screwed into the screw pipes 37, the locking nuts 39 are screwed tightly to fix the third screws 36, then the adjusting sleeve 35 is rotated to adjust the tension between the first fixing lugs 33 and the second fixing lugs 38, the supporting plate 1 is tightened and fixed, then the crane is pushed to move to a proper position, according to the height of an object to be hoisted or the height of the object to be hoisted, the second rotating handle 48 is rotated to drive the second bevel gear 12 to rotate, the first bevel gear 10 is driven to rotate by the engagement of the second bevel gear 12 and the first bevel gear 10, the first bevel gear 10 is rotated to drive the first screw 8 to rotate, the first screw rod 8 rotates to enable the square column 6 to slide in the support 3, the height of the electric hoist 29 is adjusted, when an object on the front side of the hanger needs to be hoisted, the first screw 45 is loosened and the sliding rod 41 is pulled to slide towards the front side, so that the sliding rod 41 slides to the foremost side and the first screw 45 is screwed tightly to fix the sliding rod 41, the cradle is supported by rotating the first rotating handle 44 to move the support 43 downward, and contacting the support 43 with the ground, then motor 22 is started, speed reducer 23 is driven to rotate through motor 22, speed reducer 23 rotates to drive rotating block 26 to rotate, rotating block 26 rotates to drive rotating plate 27 to rotate, one end of rotating plate 27 far away from rotating block 26 rotates to the front side of the hanger, lifting of objects on the front side of the hanger is facilitated, articles on the side face of the hanger are prevented from being manually moved to the lower face of the hanger to be lifted, lifting time is saved, and use performance of the hanger is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a road and bridge construction is with longmen gallows which characterized in that: the device comprises a supporting plate (1) and two fixing plates (2), wherein the two fixing plates (2) are symmetrically arranged, two pillars (3) are fixedly connected to the top ends of the two fixing plates (2), a connecting rod (4) is fixedly connected between the two pillars (3), a first sliding chute (5) is arranged at the top end of each pillar (3), a square column (6) is slidably connected to the inside of each first sliding chute (5), a threaded hole (7) is formed in the bottom end of each square column (6), a first screw rod (8) is spirally arranged in each threaded hole (7), a square groove (9) is formed in the inside of each pillar (3) below each first sliding chute (5), a first conical gear (10) is fixedly connected to the bottom end, extending to the inside of each square groove (9), of each first screw rod (8), a rotating shaft (11) is arranged on the outer side of each pillar (3), and a second conical gear (12) is fixedly connected to one end, extending to, the second bevel gear (12) is meshed with the first bevel gear (10), the top end of the outer side of the square column (6) is fixedly connected with a fixed block (13), the inner side of the square column (6) is provided with a through groove (14) extending to the inside of the fixed block (13), the left end front side, the left end rear side, the right end front side and the right end rear side of the support plate (1) are fixedly connected with a connecting block (15), the connecting block (15) is inserted into the through groove (14), a second sliding groove (16) is arranged below the through groove (14) inside the fixed block (13), a clamping column (17) is connected inside the second sliding groove (16) in a sliding manner, a compression spring (18) is arranged inside the second sliding groove (16), the top end of the compression spring (18) is in contact with the bottom end of the clamping column (17), the bottom end of the clamping column (17) is fixedly connected with a pull rod (19), and the bottom end of the pull rod (19) extends to the lower portion of the fixed block (, the bottom of the connecting block (15) is provided with a clamping groove (21) corresponding to the clamping column (17), the top end of the clamping column (17) extends into the through groove (14) and is connected and matched with the clamping groove (21), the left side of the top end of the supporting plate (1) is provided with a motor (22), the top end of the supporting plate (1) is fixedly connected with a speed reducer (23) on the left side of the motor (22), the output end of the motor (22) is connected with the input end of the speed reducer (23), the bottom end of the supporting plate (1) is fixedly connected with a circular plate (24) below the speed reducer (23), a rotating groove (25) is arranged inside the circular plate (24), a rotating block (26) is rotatably connected inside the rotating groove (25), the output end of the speed reducer (23) extends to the inside of the rotating groove (25) and is fixedly connected with the top end of the rotating block (26), the bottom end of the rotating block (26) extends to the lower part of the, the bottom fixedly connected with guide rail (28) of commentaries on classics board (27), the bottom of guide rail (28) is provided with electronic calabash (29), the right side fixedly connected with arc (30) of the bottom of backup pad (1), the inside of arc (30) is provided with arc spout (31), the top of commentaries on classics board (27) and the position fixedly connected with arc slider (32) that arc (30) correspond, arc slider (32) and arc spout (31) sliding fit.

2. The gantry crane for road and bridge construction of claim 1, wherein: the two sides of the bottom end of the supporting plate (1) are connected with first fixing lugs (33), the bottom end of a second fixing lug (38) is rotatably connected with a second screw rod (34), an adjusting sleeve (35) is screwed on the outer side of one end, far away from the first fixing lug (33), of the second screw rod (34), a third screw rod (36) is screwed on the inner side of one end, far away from the second screw rod (34), of the adjusting sleeve (35), a screw pipe (37) is screwed on the outer side of one end, far away from the adjusting sleeve (35), of the third screw rod (36), one end, far away from the third screw rod (36), of the screw pipe (37) is rotatably connected with the second fixing lug (38), and the second fixing lug (38) is fixedly connected with the inner side wall of the supporting column, a locking nut (39) is screwed on the third screw rod (36), the bottom end of the locking nut (39) is contacted with one end of the screw tube (37) far away from the second fixing lug (38), the second screw (34) and the third screw (36) are opposite in thread spiral direction.

3. The gantry crane for road and bridge construction of claim 2, wherein: two the front end of fixed plate (2) is provided with third spout (40), the inside sliding connection of third spout (40) has slide bar (41), slide bar (41) extend to the one end spiral shell of fixed plate (2) front side and are equipped with fourth screw rod (42), fourth screw rod (42) extend to one end fixedly connected with support (43) of the below of slide bar (41), the first commentaries on classics of top fixedly connected with of fourth screw rod (42) is handle (44), the outside threaded connection of two fixed plates (2) has first screw (45), first screw (45) extend to the inside one end of third spout (40) and the lateral wall contact of slide bar (41).

4. The gantry crane for road and bridge construction according to claim 3, wherein: one end threaded connection that square column (6) was kept away from in fixed block (13) has second screw (46), and second screw (46) extend to the inside lateral wall contact with card post (17) of second spout (16).

5. The gantry crane for road and bridge construction according to claim 4, wherein: the front side and the rear side of the bottom end of the two fixing plates (2) are fixedly connected with universal wheels (47) with locking functions.

6. The gantry crane for road and bridge construction according to claim 5, wherein: one end of the rotating shaft (11) extending to the outer side of the support column (3) is fixedly connected with a second rotating handle (48).

7. The gantry crane for road and bridge construction according to claim 6, wherein: the supporting column (3) is fixedly connected with the fixing plate (2) through a rib plate (49).

8. The gantry crane for road and bridge construction according to claim 7, wherein: the centers of the arc chute (31) and the arc slide block (32) are on the central axis of the rotary block (26).