CN213521048U

CN213521048U - Cable bridge lifting device

Info

Publication number: CN213521048U
Application number: CN202022632748.7U
Authority: CN
Inventors: 徐怀书
Original assignee: Hebei Fluent Electrical Equipment Co ltd
Current assignee: Hebei Fluent Electrical Equipment Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-06-22
Anticipated expiration: 2030-11-13

Abstract

The utility model relates to the technical field of cable bridges, in particular to a cable bridge lifting device, which adopts a fixed arm and a movable arm to cooperate and fix the side of a bridge, presses down a force application rod, and gradually lifts the bridge to a proper height position through the meshing of gears and racks; then, the bridge frame is replaced, so that the size is small, the operation is simple, and the bridge frame is suitable for being used in various installation environments on site; the lifting device comprises a force application rod, a retaining plate, a gear, a rack, a fixed arm, a movable arm and a vertical guide rail, wherein the force application rod comprises a rod part and a U-shaped connecting part, the gear is arranged on the inner side of the U-shaped connecting part, the vertical guide rail is deviated to one side of the gear, two wings of the gear are symmetrically provided with lug plates, and the gear, the U-shaped connecting part and the lug plates are fixedly connected through a first pin shaft; the inner side of the vertical guide rail is provided with a rack which is meshed with the gear, the upper end of the rack is fixedly connected with the lower end of the fixed arm, and the outer side of the lower end of the fixed arm is connected with the movable arm through a sleeve.

Description

Cable bridge lifting device

Technical Field

The utility model relates to a technical field of cable testing bridge especially relates to a cable testing bridge hoisting device.

Background

The cable bridge is widely applied to cable laying engineering, and after the cable bridge after being installed reaches the service life or is not enough to meet the function of protecting the cable, the cable bridge needs to be replaced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a cable bridge lifting device which is used for matching and replacing a cable bridge, has small volume and simple operation, and is suitable for being used in various installation environments on site; the problems of inconvenient hoisting, labor and time waste, high manufacturing cost and the like in the conventional process of replacing the bridge frame are solved.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model discloses a cable bridge lifting device, including application of force pole, stopping board, gear, rack, fixed arm, swing arm and vertical guide rail, application of force pole includes the U-shaped connecting portion of pole portion and pole portion one end fixed connection, the gear sets up the inboard at the U-shaped connecting portion, vertical guide rail deviation one side of gear and be located the both wings symmetry of gear and be provided with the otic placode, gear, U-shaped connecting portion and the otic placode are through first round pin axle fixed connection; the inboard of vertical guide rail is provided with the rack, the rack with the gear meshes mutually, the upper end of rack and the lower extreme fixed connection who decides the arm, decide the arm and be used for supporting the crane span structure side nation, decide the lower extreme outside of arm and be connected with the movable arm through the sleeve, the movable arm be used for with decide the fixed crane span structure side nation of arm cooperation.

Further, the movable arm is rotatable around a lower end of the fixed arm as an axis.

Furthermore, the U-shaped connecting portion are located the inboard of gear is provided with the stopping board, the stopping board through the second round pin axle respectively with the both sides branch connection of U-shaped connecting portion, connecting hole on the stopping board with second round pin axle clearance fit.

Furthermore, the fixed arm and the movable arm are both in an inverted L shape.

Compared with the prior art, the beneficial effects of the utility model are that: a fixed arm and a movable arm are matched to fix the side of the bridge frame, a stress application rod is pressed down, and the bridge frame is gradually lifted to a proper height position through the meshing of a gear and a rack; then carry out the change operation of crane span structure, the utility model discloses small, easy operation is fit for the scene and uses under various installation environment, has improved work efficiency effectively, has solved hoist and mount inconvenient, the time-consuming and labor-consuming, cost too high scheduling problem when changing the crane span structure in the past.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

reference numerals: 1-a stress application rod; 2-a backstop plate; 3-a gear; 4-a rack; 5-a first pin shaft; 6-fixed arm; 7-a movable arm; 8-vertical guide rails; 9-second pin.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the utility model provides a cable bridge lifting device, including application of force pole 1, gear 3, rack 4, fixed arm 6, swing arm 7 and vertical guide rail 8, application of force pole 1 includes that the tip is connected with the pole portion of globular handle and the U-shaped connecting portion of pole portion other end fixed connection, gear 3 sets up the inboard at the U-shaped connecting portion, vertical guide rail 8 is partial to one side of gear 3 and is located the bilateral symmetry of gear 3 and is provided with the otic placode, set up the connecting hole on the otic placode, be provided with the connecting hole on the both sides connecting plate of U-shaped connecting portion symmetrically, first round pin axle 5 passes gear 3, the connecting hole on the otic placode and the connecting hole on the U-shaped connecting portion from inside to outside in; a rack 4 is arranged on the inner side of the vertical guide rail 8, the rack 4 is meshed with the gear 3, the upper end of the rack 4 is fixedly connected with the lower end of a fixed arm 6, the fixed arm 6 is used for supporting a bridge frame side, the outer side of the lower end of the fixed arm 6 is connected with a movable arm 7 through a sleeve, and the movable arm 7 is used for being matched with the fixed arm 6 to fix the bridge frame side; the bridge frame side is arranged above the fixed arm 6, the fixed arm and the movable arm are matched to fix the bridge frame side, the dynamic stress application rod is pressed downwards, the stress application rod drives the gear to rotate anticlockwise, the gear and the rack are meshed to drive the rack to move upwards along the vertical guide rail, and the bridge frame is gradually lifted to a proper height position; then, the bridge frame is replaced; the device is small in size, simple to operate, suitable for being used in various installation environments on site and capable of effectively improving the working efficiency.

In this embodiment, the movable arm 7 can rotate around the lower end of the fixed arm 6 as an axis, when a cable bridge is actually replaced, the movable arm 7 is rotated transversely, the cable bridge in any direction can be conveniently placed above the fixed arm 6, and then the movable arm 7 is adopted for fixing; the U-shaped connecting part is provided with a retaining plate 2 at the inner side of the gear 3, the retaining plate 2 is respectively connected with two side branches of the U-shaped connecting part through a second pin shaft 9, the lower end of the retaining plate 2 is provided with a tooth-shaped structure capable of being buckled with the gear 3, a connecting hole on the retaining plate 2 is in clearance fit with the second pin shaft 9, when the gear drives the rack to move upwards along a vertical guide rail, the retaining plate 2 leaves a rotating clearance for the gear, after the rack moves to a proper height position, the force applying rod 1 is loosened, and the retaining plate 2 is buckled with the gear 3 to prevent the gear 3 from rotating; after the replacement is finished, the force applying rod is lightly pressed, so that a gap exists between the gear and the retaining plate, and then the retaining plate is pulled open, so that the rack returns to the original position; the fixed arm 6 and the movable arm 7 are both in an inverted L shape, and the fixed arm 6 and the movable arm 7 can also be made into any other shape which is convenient for fixing a cable bridge, and the description is omitted.

The utility model discloses cable bridge lifting device of embodiment, it is at the during operation, places the bridge side above decide arm 6, adopts decide arm 6 and swing arm 7 cooperation fixed bridge side, pushes down power application rod 1, and application rod 1 drives gear 3 anticlockwise rotation, drives rack 4 through the meshing of gear 3 and rack 4 and moves upward along vertical guide rail 8, progressively promotes the bridge to suitable high position; the force applying rod 1 is loosened, the retaining plate 2 is buckled with the gear 3, and the gear 3 is prevented from rotating; after the replacement is finished, the force applying rod 1 is lightly pressed, so that a gap exists between the gear 3 and the retaining plate 2, the retaining plate 2 is pulled open, the rack 4 returns to the original position, and the next operation is started.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The cable bridge lifting device is characterized by comprising a force application rod (1), a gear (3), a rack (4), a fixed arm (6), a movable arm (7) and a vertical guide rail (8), wherein the force application rod (1) comprises a rod part and a U-shaped connecting part fixedly connected with one end of the rod part, the gear (3) is arranged on the inner side of the U-shaped connecting part, the vertical guide rail (8) deviates to one side of the gear (3) and is symmetrically provided with lug plates positioned on two wings of the gear (3), and the gear (3), the U-shaped connecting part and the lug plates are fixedly connected through a first pin shaft (5); the inboard of vertical guide rail (8) is provided with rack (4), rack (4) with gear (3) mesh mutually, the upper end of rack (4) and the lower extreme fixed connection who decides arm (6), decide arm (6) and be used for supporting the crane span structure side nation, the lower extreme outside of deciding arm (6) is connected with movable arm (7) through the sleeve, movable arm (7) be used for with decide arm (6) cooperation fixed crane span structure side nation.

2. A cable tray lifting device as claimed in claim 1, characterized in that said movable arm (7) is able to rotate about the axis of the lower end of the fixed arm (6).

3. The cable bridge lifting device of claim 2, wherein the U-shaped connecting portion is provided with a retaining plate (2) at the inner side of the gear (3), the retaining plate (2) is respectively connected with two side branches of the U-shaped connecting portion through a second pin shaft (9), a connecting hole on the retaining plate (2) is in clearance fit with the second pin shaft (9), and after the rack (4) moves to a proper height position, the retaining plate (2) is used for being buckled with the gear (3) to prevent the gear (3) from rotating.

4. A cable tray lifting device as claimed in claim 3, characterized in that said fixed arm (6) and movable arm (7) are both in the shape of an inverted "L".