CN211420867U

CN211420867U - Jacking device for bridge construction

Info

Publication number: CN211420867U
Application number: CN201821511588.7U
Authority: CN
Inventors: 熊争艳
Original assignee: Qinghai Traffic Control Construction Engineering Group Co Ltd
Current assignee: Qinghai Traffic Control Construction Engineering Group Co Ltd
Priority date: 2018-09-15
Filing date: 2018-09-15
Publication date: 2020-09-04
Anticipated expiration: 2028-09-15

Abstract

The utility model discloses a jacking device for bridge construction, the structure of which comprises a fixed bolt, a movable block, a hydraulic rod, a hydraulic cylinder, a base, an oil pipe and a clamping and fixing device, the jacking device for bridge construction is structurally provided with the clamping and fixing device, oil passes through an oil pipe injection device to drive a piston to move upwards, the piston drives a connected piston rod to move upwards, the piston rod drives a cross rod above to move upwards, the cross rod drives a connecting block to move upwards, the connecting block drives a connected movable rack to move upwards, a driven gear meshed with the movable rack is driven to rotate, the driven gear drives a middle gear meshed with the driven gear to rotate, the middle gear drives a connecting rod gear to rotate through a connecting rod, the movable clamping block meshed with the connecting rod gear is driven to move, the movable clamping block drives a clamping rod to clamp and fix a bridge, and the serious consequence caused by the sliding of the bridge is effectively prevented, the life safety of constructors is guaranteed.

Description

Jacking device for bridge construction

Technical Field

The utility model relates to a jacking device is used in bridge construction belongs to the mechanical equipment field.

Background

The jacking device is a light and small jacking device which uses a rigid jacking piece as a working device and jacks heavy objects in a stroke through a top bracket or a bottom supporting claw, and the jacking device is divided into a mechanical type and a hydraulic type.

The prior art discloses the application numbers as follows: CN 201720971784.1's a novel bridge jacking device, including device main part and flexible post, the both sides of device main part all are equipped with portable handle, and the surface of device main part is equipped with the pressure relief valve, and the one end of pressure relief valve is equipped with the valve stopper, one side of pressure relief valve is equipped with the PLC controller, and the top of pressure relief valve is equipped with the weight-measuring display instrument, the inside of device main part is equipped with the network spring, but this prior art when jacking the bridge, owing to be difficult to fix the bridge, leads to the condition of bridge landing to take place easily, and in case the bridge landing, will cause the result that cannot imagine.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a jacking device is used in bridge construction to solve and present when jacking the bridge, owing to be difficult to fix the bridge, lead to the condition of bridge landing to take place easily, and in case the bridge landing will cause the problem of the result that cannot imagine.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a jacking device for bridge construction structurally comprises a fixed bolt, a moving block, a hydraulic rod, a hydraulic cylinder, a base, an oil pipe and a clamping and fixing device, wherein the moving block is arranged below the clamping and fixing device, the hydraulic rod penetrates through the moving block, the lower end of the hydraulic cylinder abuts against the upper surface of the base, the oil pipe penetrates through the base, the fixed bolt penetrates through the inner wall of the clamping and fixing device, the clamping and fixing device comprises a shell, a piston rod, a cross rod, a sliding block, a connecting block, a moving rack, a middle gear, a driven gear, a connecting rod gear, a clamping rod, a moving clamping block, a sliding rail, a resistance spring and a limiting block, the piston is arranged below the piston rod, the piston rod penetrates through the cross rod, the cross rod is arranged below the resistance spring, the connecting block penetrates through the sliding block, and the left, the driven gear meshes with the movable rack mutually, the idler gear is located on the right side of the driven gear, the connecting rod is connected with the idler gear through a bolt, the connecting rod gear meshes with the movable clamping block mutually, the clamping rod is located on the right side of the movable clamping block, the sliding rail penetrates through the inside of the shell, and the resistance spring is located on the left side of the sliding rail.

Further, the fixing bolt is provided with 2, and oil pipe is provided with 2.

Further, the base is the cuboid structure, the pneumatic cylinder is the cylinder structure.

Further, the fixing bolt penetrates through the inside of the shell, and the piston is arranged above the hydraulic rod.

Further, the base is horizontally arranged, and the hydraulic cylinder is vertically arranged.

Furthermore, the hydraulic rod is made of fine steel and is firmer.

Furthermore, the hydraulic cylinder is made of stainless steel and is more durable.

Advantageous effects

The utility model relates to a jacking device is used in bridge construction, structurally set up and press from both sides tight fixing device, fluid passes through in the oil pipe injection device, it shifts up to drive the piston, the piston drives the piston rod that links to each other and shifts up, it shifts up to drive the connecting block through the horizontal pole, the connecting block drives the removal rack that links to each other and moves up, it is rotatory to drive engaged with driven gear by removing the rack, driven gear drives engaged with intermediate gear rotation, intermediate gear passes through the connecting rod and drives connecting rod gear rotation, it removes to drive engaged with removal clamp splice by the connecting rod gear, it presss from both sides tight fixedly to remove the clamp splice drive the clamp rod to the bridge, the effectual serious consequence that causes because the bridge landing of preventing, constructor's life safety has been ensured.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a jacking device for bridge construction of the present invention;

fig. 2 is an internal schematic view of the clamping and fixing device of the present invention.

In the figure: the device comprises a fixing bolt-1, a moving block-2, a hydraulic rod-3, a hydraulic cylinder-4, a base-5, an oil pipe-6, a clamping fixing device-7, a shell-701, a piston-702, a piston rod-703, a cross rod-704, a sliding block-705, a connecting block-706, a moving rack-707, an intermediate gear-708, a driven gear-709, a connecting rod-710, a connecting rod gear-711, a clamping rod-712, a moving clamping block-713, a sliding rail-714, a resistance spring-715 and a limiting block-716.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 and 2, the present invention provides a jacking device for bridge construction, which comprises: the structure of the device comprises a fixed bolt 1, a movable block 2, a hydraulic rod 3, a hydraulic cylinder 4, a base 5, an oil pipe 6 and a clamping fixing device 7, wherein the movable block 2 is arranged below the clamping fixing device 7, the hydraulic rod 3 penetrates through the movable block 2, the lower end of the hydraulic cylinder 4 abuts against the upper surface of the base 5, the oil pipe 6 penetrates through the base 5, the fixed bolt 1 penetrates through the inner wall of the clamping fixing device 7, the clamping fixing device 7 comprises a shell 701, a piston 702, a piston rod 703, a cross rod 704, a sliding block 705, a connecting block 706, a movable rack 707, a middle gear 708, a driven gear 709, a connecting rod 710, a connecting rod gear 711, a clamping rod 712, a movable clamping block 713, a sliding rail 714, a resistance spring 715 and a limiting block 716, the piston 702 is arranged below the piston rod 703, the piston rod 703 penetrates through the cross rod 704, the cross rod 704, the connecting block 706 penetrates through the inside of the sliding block 705, the left end of the movable rack 707 is attached to the right end of the connecting rod 710, the driven gear 709 is engaged with the movable rack 707, the intermediate gear 708 is arranged on the right side of the driven gear 709, the connecting rod 710 is connected with the intermediate gear 708 through a bolt, the connecting rod gear 711 is engaged with the movable clamping block 713, the clamping rod 712 is arranged on the right side of the movable clamping block 713, the sliding rail 714 penetrates through the inside of the shell 701, the resistance spring 715 is arranged on the left side of the sliding

rail

714, 2 fixing bolts 1 are arranged, 2 oil pipes 6 are arranged, the base 5 is of a cuboid structure, the hydraulic cylinder 4 is of a cylindrical structure, the fixing bolt 1 penetrates through the inside of the shell 701, the piston 702 is arranged above the hydraulic rod 3, the base 5 is arranged horizontally, the hydraulic cylinder 4 is arranged vertically, and the hydraulic rod 3 is made, the hydraulic cylinder 4 is made of stainless steel, so that the hydraulic cylinder is more firm and durable.

The resistance spring 715 is a mechanical part that works by elasticity, the part made of elastic material deforms under the action of external force, and returns to original shape after removing external force, and is generally made of spring steel, the types of springs are complex and various, and the springs are divided into different shapes, mainly comprising spiral springs, plate springs, special springs and the like, the movable rack 707 is a special gear with teeth distributed on the strip-shaped body, and the rack is also divided into a straight rack and a helical rack.

For example, when a constructor plum jacks a bridge, a power supply is connected, oil passes through an oil pipe injection device to drive a piston 702 to move upwards, the piston 702 drives a connected piston rod 703 to move upwards, the piston rod 703 drives an upper cross rod 704 to move upwards, the cross rod 704 drives a connecting block 706 to move upwards, the connecting block 706 drives a connected movable rack 707 to move upwards, the movable rack 707 drives a meshed driven gear 709 to rotate, the driven gear 709 drives a meshed middle gear 708 to rotate, the middle gear 708 drives a connecting rod gear 711 to rotate through a connecting rod 710, the connecting rod gear 711 drives a meshed movable clamping block 713 to move, the movable clamping block 713 drives a clamping rod 712 to clamp and fix the bridge, serious consequences caused by bridge sliding are effectively prevented, and the life safety of constructors is guaranteed.

The utility model solves the problems that when the bridge is jacked, the bridge is difficult to be fixed, the bridge easily slips, once the bridge slips, the unimaginable consequence is caused, the utility model mutually combines the components, the oil liquid passes through the oil pipe injection device to drive the piston to move upwards, the piston drives the connected piston rod to move upwards, the piston rod drives the upper cross rod to move upwards, the connecting block is driven to move upwards by the cross rod, the connecting block drives the connected moving rack to move upwards, the meshed driven gear is driven to rotate by the moving rack, the meshed intermediate gear is driven to rotate by the driven gear, the intermediate gear drives the connecting rod gear to rotate by the connecting rod, the meshed moving clamping blocks are driven by the connecting rod gear to move, the moving clamping blocks drive the clamping rods to clamp and fix the bridge, and the serious consequence caused by the bridge slipping is effectively prevented, the life safety of constructors is guaranteed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a jacking device for bridge construction which characterized in that: the oil pipe clamping device structurally comprises a fixing bolt (1), a moving block (2), a hydraulic rod (3), a hydraulic cylinder (4), a base (5), an oil pipe (6) and a clamping fixing device (7), wherein the moving block (2) is arranged below the clamping fixing device (7), the hydraulic rod (3) penetrates through the inside of the moving block (2), the lower end of the hydraulic cylinder (4) abuts against the upper surface of the base (5), the oil pipe (6) penetrates through the inside of the base (5), the fixing bolt (1) penetrates through the inner wall of the clamping fixing device (7), and the clamping fixing device (7) comprises a shell (701), a piston (702), a piston rod (703), a transverse rod (704), a sliding block (705), a connecting block (706), a moving rack (707), an intermediate gear (708), a driven gear (709), a connecting rod (710), a connecting rod gear (711) and a clamping rod (712), A movable clamping block (713), a slide rail (714), a resistance spring (715) and a limit block (716), the piston (702) is arranged below the piston rod (703), the piston rod (703) penetrates through the cross rod (704), the cross rod (704) is arranged below the resistance spring (715), the connecting block (706) penetrates through the inside of the sliding block (705), the left end of the movable rack (707) is attached to the right end of the connecting rod (710), the driven gear (709) is meshed with the movable rack (707), the intermediate gear (708) is arranged on the right side of the driven gear (709), the connecting rod (710) is connected with the intermediate gear (708) through a bolt, the connecting rod gear (711) is meshed with the movable clamping block (713), the clamping rod (712) is arranged on the right side of the movable clamping block (713), the sliding rail (714) penetrates through the inside of the shell (701), and the resistance spring (715) is arranged on the left side of the sliding rail (714).

2. The jacking device for bridge construction according to claim 1, wherein: the number of the fixing bolts (1) is 2, and the number of the oil pipes (6) is 2.

3. The jacking device for bridge construction according to claim 1, wherein: the base (5) is of a cuboid structure, and the hydraulic cylinder (4) is of a cylindrical structure.

4. The jacking device for bridge construction according to claim 1, wherein: the fixing bolt (1) penetrates through the shell (701), and the piston (702) is arranged above the hydraulic rod (3).

5. The jacking device for bridge construction according to claim 1, wherein: the base (5) is horizontally arranged, and the hydraulic cylinder (4) is vertically arranged.