CN217323182U

CN217323182U - Hoisting device for mounting steel structure bridge

Info

Publication number: CN217323182U
Application number: CN202123405251.2U
Authority: CN
Inventors: 徐振远; 洪德宝; 谈飞
Original assignee: Zhejiang Daoyi Engineering Testing Technology Co ltd
Current assignee: Zhejiang Daoyi Engineering Testing Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-30
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a hoist device of steel structure bridge installation usefulness relates to hoist device technical field, comprises a workbench, it is connected with a loop bar to rotate on the workstation, hoist mechanism keeps away from one of support column and serves and be provided with fixed establishment, fixed establishment includes first articulated slab, second articulated slab, loading board and first actuating mechanism, first articulated slab of first actuating mechanism drive and second articulated slab rotate in opposite directions on the loading board both sides, be provided with fastening components on the first articulated slab. Through the cooperation between workstation, hoisting mechanism, fixed establishment, first articulated slab, second articulated slab, loading board, first actuating mechanism, the fastening components, first actuating mechanism is used for driving first articulated slab and second articulated slab and rotates in opposite directions, and steel about not only being convenient for can play the guard action moreover, and the fastening components sets up on first articulated slab, further plays the fixed action to steel to improve hoist device's practicality.

Description

Hoisting device for installing steel structure bridge

Technical Field

The utility model relates to a hoist device technical field specifically is a hoist device of steel structure bridge installation usefulness.

Background

The main bearing structure of the bridge is a steel bridge, namely a steel structure bridge and a steel bridge. Fabricated steel bridges are widely used throughout the world. The first fabricated steel bridges were designed by the tennad beret engineer in england in 1938 during the second world war inception. The main design concept is that the minimum kinds of unit components are assembled into an assembly type steel bridge capable of bearing various loads and different spans, and the steel bridge only needs to be transported by a common medium-sized truck and can be built by manpower under special conditions. The beams and the legs or the pier body form rigid connection. The structural forms can be divided into a portal rigid frame bridge, an inclined leg rigid frame bridge, a T-shaped rigid frame bridge and a continuous rigid frame bridge. In the process of steel structure bridge construction, because it is the assembled usually, need carry out the prewelding processing with the bridge structure spare subaerial in advance, later through hoist device with its handling to steel structure bridge top assemble can.

The hoisting device of current steel structure bridge installation usefulness, like the chinese patent of application number CN201921145182.6 named "steel structure hoisting device is used in public road bridge roof beam installation", discloses a steel structure hoisting device is used in public road bridge roof beam installation, the on-line screen storage device comprises a base, the upper end fixedly connected with cylinder of base, the rotation can be dismantled in the cylindrical outside and be connected with the rotating turret, the circular recess has been seted up to the bottom of rotating turret, the inner wall and the cylinder of circular recess rotate the registrate, be provided with the screw hole in the rotating turret, there is the bracing piece through threaded connection in the screw hole. This steel construction hoist device is used in highway bridge installation is through installing the articulated shaft on the rotating turret, and through articulated shaft installation folding leg, the constant head tank is seted up to the bottom of folding leg, and make the folding leg keep upright through the bracing piece of installation and the cooperation of constant head tank, when not using hoist device, the cooperation of the screw hole that sets up in accessible bracing piece and the rotating turret, move the bracing piece downwards, make the bracing piece leave the constant head tank, then fold folding leg, can reduce hoist device's space, the convenience is transported hoist device.

The defects of the prior art are as follows: the existing steel hoisting device is not fixed enough, so that the falling of steel is easy to occur in the hoisting process, thereby causing safety accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoist device of steel structure bridge installation usefulness to solve the weak point among the above-mentioned prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a hoist device that steel structure bridge installation was used, includes the workstation, it is connected with a loop bar to rotate on the workstation, it is provided with a support column to slide on the loop bar, be provided with a hoist mechanism between workstation and the support column, hoist mechanism keeps away from one of support column and serves and be provided with a fixed establishment, fixed establishment includes first articulated slab, second articulated slab, loading board and a actuating mechanism, first articulated slab of first actuating mechanism drive and second articulated slab rotate in opposite directions on the loading board both sides, be provided with a fastening component on the first articulated slab.

Further, hoisting mechanism includes hoisting motor, hoisting motor installs on the workstation, a reel of fixedly connected with in the hoisting motor axis of rotation, the winding has a haulage rope on the reel, the support column top is provided with a mounting bracket, be provided with at least one first leading wheel on the mounting bracket, be provided with a jib on the support column, the jib tip is provided with the second leading wheel, the haulage rope passes first leading wheel and second leading wheel in proper order, the one end that the reel was kept away from to the haulage rope is provided with a connecting block, the bottom is provided with a couple on the connecting block.

Further, first actuating mechanism includes first drive gear and second drive gear, first drive gear fixed connection is on first articulated slab, second drive gear and second articulated slab fixed connection, be provided with an extension gear on the loading board, it has first drive chain to mesh between extension gear and the first drive gear, second drive gear and the one end meshing that first drive chain was kept away from to the extension gear still include first drive motor, first drive motor and first drive gear coaxial coupling.

Further, a loop bar bottom fixedly connected with mounting panel, second actuating mechanism includes second driving motor, the mounting groove has been seted up on the workstation, second driving motor installs in the mounting groove, the mounting groove internal rotation is connected with a column spinner, column spinner and mounting panel fixed connection, the ring gear has been seted up on the column spinner, a fixedly connected with drive gear in the second driving motor axis of rotation, drive gear and ring gear meshing.

Furthermore, fastening components includes a plurality of threaded rods, and is a plurality of the equal threaded connection of threaded rod is on first articulated slab, every all be provided with a transmission gear on the threaded rod, it is a plurality of the meshing has a second drive chain between the transmission gear, and is a plurality of the one end that the transmission gear was kept away from to the threaded rod is provided with a butt joint board, be provided with a rubber pad on the butt joint board, one of them is provided with an operating handle on the threaded rod.

Furthermore, a hydraulic telescopic rod is arranged in the sleeve rod, and the top of the hydraulic telescopic rod is fixedly connected with the supporting column.

Further, the workstation bottom is provided with a plurality of supporting legs, every the supporting leg bottom all is provided with removes the wheel.

Furthermore, one end of the workbench, which is far away from the fixing mechanism, is provided with a balancing weight.

Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation between workstation, hoisting mechanism, fixed establishment, first articulated slab, second articulated slab, loading board, first actuating mechanism, the fastening components, first actuating mechanism is used for driving first articulated slab and second articulated slab and rotates in opposite directions, and steel about not only being convenient for when using can play the guard action in addition, and the fastening components sets up on first articulated slab, further plays the fixed action to steel to improve hoist device's practicality.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic overall structural diagram provided by an embodiment of the present invention;

fig. 2 is a schematic overall sectional structural view provided by an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a hoisting mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a fixing mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a fastening assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a first driving mechanism according to an embodiment of the present invention.

Description of reference numerals: 1. a work table; 101. mounting grooves; 2. a loop bar; 3. a support column; 4. a mounting frame; 5. a cargo boom; 6. a hoisting mechanism; 601. a hoisting motor; 602. a reel; 603. a hauling rope; 604. a first guide wheel; 605. connecting blocks; 606. hooking; 607. a second guide wheel; 608. hanging a rope; 701. a first hinge plate; 702. a second hinge plate; 703. a carrier plate; 8. a first drive mechanism; 801. a first drive gear; 802. a second transmission gear; 803. an extension gear; 804. a first drive chain; 805. a first drive motor; 9. a second drive mechanism; 901. a spin column; 902. a toothed ring; 903. a second drive motor; 904. a drive gear; 10. mounting a plate; 11. a fastening assembly; 1101. a butt joint plate; 1102. a transmission gear; 1103. a second drive chain; 1104. a rubber pad; 1105. an operating handle; 12. a threaded rod; 13. a hydraulic telescopic rod; 14. a balancing weight; 15. supporting legs; 16. a moving wheel; 17. and a fixing mechanism.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-6, an embodiment of the present invention provides a lifting device for installing a steel structure bridge, including a workbench 1, a loop bar 2 is rotatably connected to the workbench 1, a support column 3 is slidably provided on the loop bar 2, a lifting mechanism 6 is provided between the workbench 1 and the support column 3, a fixing mechanism 17 is provided at one end of the lifting mechanism 6 away from the support column 3, the fixing mechanism 17 includes a first hinged plate 701, a second hinged plate 702, a bearing plate 703 and a first driving mechanism 8, the first driving mechanism 8 drives the first hinged plate 701 and the second hinged plate 702 to rotate oppositely on two sides of the bearing plate 703, and a fastening assembly 11 is provided on the first hinged plate 701.

Specifically, the hoisting device for installing the steel structure bridge comprises a workbench 1, a loop bar 2 is rotatably connected to the workbench 1, and the loop bar 2 is rotatably connected to the workbench 1 in a rotating connection mode, so that the hoisting device can hoist steel to a set position better; the support column 3 is arranged on the loop bar 2 in a sliding mode and plays a role in supporting, the support column 3 plays a role in supporting, and the support column 3 is arranged in the loop bar 2 in a sliding connection mode, so that the hoisting device is convenient to transport; the hoisting mechanism 6 is arranged on the workbench 1 and is fixedly connected with the fixing mechanism 17 after passing through the support column 3, and the hoisting mechanism 6 is convenient for hoisting the fixing mechanism 17 under the support action of the support column 3; the fixing mechanism 17 comprises a first hinged plate 701, a second hinged plate 702, a bearing plate 703 and a first driving mechanism 8, wherein the first hinged plate 701 and the second hinged plate 702 are connected to the bearing plate 703 in a rotating mode, the first driving mechanism 8 is used for driving the first hinged plate 701 and the second hinged plate 702 to rotate oppositely, steel materials can be conveniently fed up and down when the fixing mechanism is used, a protection effect can be achieved, a fastening assembly 11 is arranged on the first hinged plate 701, the steel materials are further fixed, and therefore the practicability of the hoisting device is improved.

The hoisting mechanism 6 comprises a hoisting motor 601, the hoisting motor 601 is installed on the workbench 1, a reel 602 is fixedly connected to a rotating shaft of the hoisting motor 601, a traction rope 603 is wound on the reel 602, a mounting frame 4 is arranged at the top of the support column 3, at least one first guide wheel 604 is arranged on the mounting frame 4, a lifting arm 5 is arranged on the support column 3, a second guide wheel 607 is arranged at the end part of the lifting arm 5, the traction rope 603 sequentially penetrates through the first guide wheel 604 and the second guide wheel 607, a connecting block 605 is arranged at one end, away from the reel 602, of the traction rope 603, and a hook 606 is arranged at the bottom of the connecting block 605.

Preferably, the hoisting mechanism 6 comprises a hoisting motor 601, a reel 602 is fixedly connected to a rotating shaft of the hoisting motor 601, a traction rope 603 is arranged on the hoisting reel 602, a mounting frame 4 is arranged on the supporting column 3 for supporting, a first guide wheel 604 is arranged on the mounting frame 4, the boom 5 is provided with a second guide wheel 607, the traction rope 603 sequentially passes through the first guide wheel 604 and the second guide wheel 607, the first guide wheel 604 and the second guide wheel 607 respectively play a guiding role, a connecting block 605 is arranged at one end of the traction rope 603 far away from the reel 602, a hook 606 is arranged at the bottom of the connecting block 605, hanging ropes 608 are symmetrically arranged on the first hinge plate 701 and the second hinge plate 702, when in operation, the hanging ropes 608 are hung on the hook 606, when the hoisting motor 601 is started to rotate, the reel 602 is driven to rotate to drive the traction rope 603 to wind, after the traction rope 603 passes through the first guide wheel 604 and the second guide wheel 607, the fixing mechanism 17 can be lifted by the hook 606, and the operation is simple and convenient, and the effect is good.

The first driving mechanism 8 comprises a first transmission gear 801 and a second transmission gear 802, the first transmission gear 801 is fixedly connected to the first hinge plate 701, the second transmission gear 802 is fixedly connected with the second hinge plate 702, an extension gear 803 is arranged on the bearing plate 703, a first transmission chain 804 is meshed between the extension gear 803 and the first transmission gear 801, the second transmission gear 802 is meshed with one end, far away from the first transmission chain 804, of the extension gear 803, and the first driving mechanism further comprises a first transmission motor 805, and the first transmission gear 805 is coaxially connected with the first transmission gear 801.

Preferably, during the use, start first drive motor 805, first drive motor 805 axis of rotation rotates and drives first drive gear 801 and rotate, and then drives first drive chain 804 and rotate, and first drive chain 804 rotates and drives extension gear 803 and rotate, and then drives second drive gear 802 and rotate, and then drives first articulated plate 701 and second articulated plate 702 and rotate in opposite directions to the installation and the dismantlement of steel of being convenient for, further improve this hoist device's practicality.

2 bottom fixedly connected with mounting panel 10 of loop bar, second actuating mechanism 9 includes second driving motor 903, mounting groove 101 has been seted up on the workstation 1, second driving motor 903 is installed in mounting groove 101, the mounting groove 101 internal rotation is connected with a column spinner 901, column spinner 901 and mounting panel 10 fixed connection, ring gear 902 has been seted up on the column spinner 901, a fixedly connected with drive gear 904 in the second driving motor 903 axis of rotation, drive gear 904 meshes with ring gear 902.

Preferably, when the loop bar 2 needs to be rotated, start second driving motor 903, second driving motor 903 axis of rotation rotates and drives drive gear 904 and rotate, then rotates and drives column 901 through driving ring gear 902 and rotate, and then drives mounting panel 10 and rotate, and then drives loop bar 2 and rotate, rotates through loop bar 2 and drives support column 3 and rotate, and then drives this hoist device and rotate, is convenient for improve the accuracy of this hoist device's hoist and mount position.

The fastening assembly 11 comprises a plurality of threaded rods 12, the threaded rods 12 are connected to the first hinge plate 701 in a threaded mode, a transmission gear 1102 is arranged on each threaded rod 12, a second transmission chain 1103 is meshed among the transmission gears 1102, one end, away from the transmission gear 1102, of each threaded rod 12 is provided with a butting plate 1101, a rubber pad 1104 is arranged on each butting plate 1101, and an operating handle 1105 is arranged on one threaded rod 12.

Preferably, when needing fixed or dismantling steel, through rotating operation handle 1105, operation handle 1105 drives one of them threaded rod 12 and rotates, and then drives second drive chain 1103 and rotate, and then drives a plurality of transfer gears 1102 and rotate, drives a plurality of threaded rod 12 synchronous rotations then, and then drives butt plate 1101 and slide, and easy operation is convenient, is convenient for fix steel.

A hydraulic telescopic rod 13 is arranged in the loop bar 2, and the top of the hydraulic telescopic rod 13 is fixedly connected with the supporting column 3.

Preferably, the hydraulic telescopic rod 13 is arranged inside the loop bar 2, so that the height of the hoisting device can be conveniently adjusted, and the practicability of the hoisting device is further improved

A plurality of supporting legs 15 are arranged at the bottom of the workbench 1, and a moving wheel 16 is arranged at the bottom of each supporting leg 15.

Preferably, a plurality of supporting legs 15 are arranged at the bottom of the workbench 1, and a moving wheel 16 is arranged at the bottom of each supporting leg 15, so that the flexibility of the hoisting device is improved.

The end of the working platform 1 far away from the fixing mechanism 17 is provided with a balancing weight 14.

Preferably, the counterweight block 14 is arranged on the workbench 1, so that the stability of the hoisting device is improved conveniently.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a hoist device of steel structure bridge installation usefulness, includes workstation (1), its characterized in that: a loop bar (2) is rotatably connected to the workbench (1), and a support column (3) is slidably arranged on the loop bar (2);

a hoisting mechanism (6) is arranged between the workbench (1) and the support column (3), and a fixing mechanism (17) is arranged at one end of the hoisting mechanism (6) far away from the support column (3);

the fixing mechanism (17) comprises a first hinge plate (701), a second hinge plate (702), a bearing plate (703) and a first driving mechanism (8), and the first driving mechanism (8) drives the first hinge plate (701) and the second hinge plate (702) to rotate oppositely on two sides of the bearing plate (703);

the first hinge plate (701) is provided with a fastening assembly (11).

2. The hoisting device for installing the steel structure bridge of claim 1, which is characterized in that: the lifting mechanism (6) comprises a lifting motor (601), the lifting motor (601) is installed on the workbench (1), a reel (602) is fixedly connected to a rotating shaft of the lifting motor (601), a traction rope (603) is wound on the reel (602), a mounting rack (4) is arranged at the top of the supporting column (3), and at least one first guide wheel (604) is arranged on the mounting rack (4);

be provided with a jib (5) on support column (3), jib (5) tip is provided with second leading wheel (607), haulage rope (603) pass first leading wheel (604) and second leading wheel (607) in proper order, the one end that reel (602) were kept away from in haulage rope (603) is provided with a connecting block (605), the bottom is provided with a couple (606) on connecting block (605).

3. The hoisting device for installing the steel structure bridge of claim 1, which is characterized in that: the first driving mechanism (8) comprises a first transmission gear (801) and a second transmission gear (802), the first transmission gear (801) is fixedly connected to a first hinge plate (701), and the second transmission gear (802) is fixedly connected with a second hinge plate (702);

the bearing plate (703) is provided with an extension gear (803), a first transmission chain (804) is meshed between the extension gear (803) and the first transmission gear (801), the second transmission gear (802) is meshed with one end, far away from the first transmission chain (804), of the extension gear (803), the bearing plate further comprises a first transmission motor (805), and the first transmission motor (805) is coaxially connected with the first transmission gear (801).

4. The hoisting device of steel structure bridge installation usefulness of claim 1, characterized in that: the bottom of the loop bar (2) is fixedly connected with a mounting plate (10), the second driving mechanism (9) comprises a second driving motor (903), a mounting groove (101) is formed in the workbench (1), the second driving motor (903) is mounted in the mounting groove (101), a rotating column (901) is rotatably connected in the mounting groove (101), and the rotating column (901) is fixedly connected with the mounting plate (10);

a gear ring (902) is arranged on the rotating column (901), a driving gear (904) is fixedly connected to the rotating shaft of the second driving motor (903), and the driving gear (904) is meshed with the gear ring (902).

5. The hoisting device of steel structure bridge installation usefulness of claim 1, characterized in that: the fastening assembly (11) comprises a plurality of threaded rods (12), the threaded rods (12) are in threaded connection with the first hinge plate (701), each threaded rod (12) is provided with a transmission gear (1102), a second transmission chain (1103) is meshed among the transmission gears (1102), one end, far away from the transmission gears (1102), of each threaded rod (12) is provided with a butting plate (1101), and a rubber pad (1104) is arranged on each butting plate (1101);

one of the threaded rods (12) is provided with an operating handle (1105).

6. The hoisting device for installing the steel structure bridge of claim 1, which is characterized in that: a hydraulic telescopic rod (13) is arranged in the loop bar (2), and the top of the hydraulic telescopic rod (13) is fixedly connected with the supporting column (3).

7. The hoisting device for installing the steel structure bridge of claim 1, which is characterized in that: a plurality of supporting legs (15) are arranged at the bottom of the workbench (1), and each supporting leg (15) is provided with a moving wheel (16) at the bottom.

8. The hoisting device for installing the steel structure bridge of claim 1, which is characterized in that: one end of the workbench (1) far away from the fixing mechanism (17) is provided with a balancing weight (14).