CN215518365U

CN215518365U - Cable-stayed bridge cable duct pipe positioning device

Info

Publication number: CN215518365U
Application number: CN202120293215.2U
Authority: CN
Inventors: 张启龙
Original assignee: Liaoning Genyuan Road And Bridge Construction Engineering Co ltd
Current assignee: Liaoning Genyuan Road And Bridge Construction Engineering Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-01-14
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to the technical field of bridge construction, and discloses a cable-stayed bridge cable duct positioning device which comprises an anchor backing plate, wherein the top of the anchor backing plate is slidably connected with a Z-shaped frame, a through hole is formed between two sides of the Z-shaped frame, a positioning pipe is rotatably connected between the front side and the rear side of the inner wall of the through hole through a rotating shaft, fixed frames are fixedly connected to two sides of the inner wall of two ends of the positioning pipe, sliding grooves are formed in the front side and the rear side of each fixed frame, sliding columns are slidably connected to two sides of each sliding groove, and a sliding rod is rotatably connected to one end of each sliding column. The elastic spring can expand the clamping pad, namely the rope channel pipes with different pipe diameters can be fixed in the positioning pipe, and simultaneously a buffer force is given to the rope channel pipes to prevent the rope channel pipes from being abraded due to collision between the rope channel pipes and the positioning pipe.

Description

Cable-stayed bridge cable duct pipe positioning device

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a cable-stayed bridge cable duct positioning device.

Background

A cable-stayed bridge is also called a diagonal tension bridge, is a bridge with a main beam directly pulled on a bridge tower by a plurality of guys, is a structural system formed by combining a pressure-bearing tower, a pulled cable and a bent-bearing beam body, and can be regarded as a multi-span elastic support continuous beam with guys replacing buttresses. It can make the internal bending moment of roof beam reduce, reduce the building height, lighten the structural weight, save the material, the cable-stay bridge mainly comprises pylon, girder, suspension cable, the cableway pipe location of cable-stay bridge is that a measurement accuracy in the high pylon post construction of cable-stay bridge requires very high, the very big work of the measurement degree of difficulty, the mounted position of cableway pipe anchor point is correct, will directly influence the change of the hyperstatic structure node internal force of cable-stay bridge, in addition, cableway pipe goes out the same key in the position of the tower point, go out the too big position deviation of tower point and will cause the suspension cable shockproof circle to install, thereby influence the normal use of suspension cable.

Because the difference of installation place to and other differences such as bridge, need use the cableway pipe of different pipe diameters, but current cable-stay bridge cableway pipe positioner can only fix a position the installation to the cableway pipe of a pipe diameter usually, and application scope is narrower, and it is comparatively loaded down with trivial details to change device part again.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a cable-stayed bridge cable duct positioning device, which solves the problem that the conventional cable-stayed bridge cable duct positioning device can only be used for positioning and installing cable ducts with one pipe diameter.

The utility model provides a cable-stayed bridge cable duct positioning device which comprises an anchor backing plate, wherein the top of the anchor backing plate is connected with a Z-shaped frame in a sliding manner, a through hole is formed between two sides of the Z-shaped frame, a positioning pipe is rotatably connected between the front side and the rear side of the inner wall of the through hole through a rotating shaft, fixed frames are fixedly connected with two sides of the inner wall of two ends of the positioning pipe, sliding grooves are formed in the front side and the rear side of each fixed frame, sliding columns are slidably connected with two sides of each sliding groove, a sliding rod is rotatably connected with one end of each sliding column, a fixed block is rotatably connected with one side of each sliding rod through a connecting shaft, a clamping pad is fixedly connected between the opposite sides of the two fixed blocks, and a clamping spring is fixedly connected between the opposite sides of the two sliding columns inside the sliding grooves.

Optimized, the front side at anchor backing plate top is opened and is equipped with the front groove, micro motor is installed to one side of front groove bottom, micro motor's output shaft transmission is connected with the threaded rod, the other end of threaded rod runs through Z type frame and rotates with one side of front groove to be connected, one side fixedly connected with limiting plate of front groove bottom.

Optimized, the rear side at anchor backing plate top is opened and is equipped with the back groove, fixedly connected with gag lever post between the both sides in back groove, the one end of gag lever post runs through Z type frame and extends to the outside of Z type frame.

Preferably, a hydraulic cylinder is installed on one side of the top of the Z-shaped frame, an ejector rod is arranged on the top of the hydraulic cylinder, and the top end of the ejector rod is rotatably connected with one side of the bottom of the positioning pipe through a connecting piece.

Preferably, one side of the bottom of the Z-shaped frame is fixedly connected with a telescopic rod, and the bottom end of the telescopic rod is rotatably connected with one side of the top of the positioning tube through a connecting piece.

Compared with the prior art, the utility model has the beneficial effects that: the cable-stayed bridge cable duct pipe positioning device is characterized in that a cable duct pipe is inserted into a positioning pipe, the cable duct pipe firstly contacts a clamping pad when entering the positioning pipe, the clamping pad is extruded towards two sides, so that a slide rod is driven by a connecting shaft to deflect angularly, the clamping spring is extruded even if two sliding columns slide towards opposite sides, the clamping spring is deformed to generate a reverse force to fix the cable duct pipe, the clamping pad can expand due to the existence of the elastic spring, namely the cable duct pipe with different pipe diameters can be fixed in the positioning pipe, simultaneously, a buffering force is given to the cable duct pipe to prevent collision between the cable duct pipe and the positioning pipe and abrasion of the cable duct pipe, a Z-shaped frame is transversely displaced by starting a micro motor, namely the position of the cable duct pipe in the X-axis direction is adjusted, a hydraulic cylinder is started again to enable one end of the positioning pipe to rise, and the positioning pipe is rotatably connected with the positioning pipe in a through hole through a rotating shaft, therefore, the other end of the positioning tube can descend, even if the telescopic rod extends, on the contrary, the other end of the positioning tube ascends, and the telescopic rod is shortened, so that the angle between the positioning tube and the outlet end of the internal cableway tube can be adjusted.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a cable-stayed bridge cable duct positioning device according to the present invention;

FIG. 2 is a schematic side sectional view of the Z-frame of FIG. 1;

FIG. 3 is a schematic side view of the positioning tube of FIG. 1.

In the figure: 1. an anchor backing plate; 2. a Z-shaped frame; 3. a through hole; 4. a positioning tube; 5. a fixing frame; 6. a chute; 7. a traveler; 8. a slide bar; 9. a connecting shaft; 10. a fixed block; 11. a clamping pad; 12. a clamping spring; 13. a front groove; 14. a micro motor; 15. a threaded rod; 16. a limiting plate; 17. a rear groove; 18. a limiting rod; 19. a hydraulic cylinder; 20. a top rod; 21. a connecting member; 22. a telescopic rod.

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.

Referring to fig. 1-3, an embodiment of the present invention is shown: a cable-stayed bridge cable duct positioning device comprises an anchor backing plate 1, wherein the top of the anchor backing plate 1 is slidably connected with a Z-shaped frame 2, a through hole 3 is formed between two sides of the Z-shaped frame 2, a positioning pipe 4 is rotatably connected between the front side and the rear side of the inner wall of the through hole 3 through a rotating shaft, two sides of the inner wall of two ends of the positioning pipe 4 are fixedly connected with fixed frames 5, two front sides and rear sides of the fixed frames 5 are respectively provided with a sliding groove 6, two sides of the sliding groove 6 are respectively slidably connected with sliding columns 7, one end of each sliding column 7 is respectively rotatably connected with a sliding rod 8, one side of each sliding rod 8 is respectively rotatably connected with a fixed block 10 through a connecting shaft 9, a clamping cushion 11 is fixedly connected between one opposite sides of the two fixed blocks 10, a clamping spring 12 is fixedly connected between the inner part of the sliding groove 6 and one opposite side of the two sliding columns 7, the anchor backing plate 1 is fixed with a bridge floor through bolts, the cableway pipe is inserted into the positioning pipe 4, and the clamping spring 12 is extruded when the cableway pipe enters the positioning pipe 4, so that the clamping spring 12 is deformed, and a reverse force is generated, namely the cableway pipe is fixed.

Groove 13 before the front side at 1 top of anchor backing plate is opened and is equipped with, micro motor 14 is installed to one side of groove 13 bottom before, micro motor 14's output shaft transmission is connected with threaded rod 15, threaded rod 15's the other end runs through Z type frame 2 and rotates with one side of groove 13 before and is connected, one side fixedly connected with limiting plate 16 of groove 13 bottom before, start micro motor 14, can make Z type frame 2 carry out horizontal displacement, adjust the X axle direction position of cable way pipe promptly, and limiting plate 16 prevents that Z type frame 2 from hitting micro motor 14.

Rear groove 17 has been opened to the rear side at anchor backing plate 1 top, fixedly connected with gag lever post 18 between rear groove 17's the both sides, the one end of gag lever post 18 runs through Z type frame 2 and extends to Z type frame 2's outside, the rear side of Z type frame 2 bottom slides along gag lever post 18 in rear groove 17's inside to guarantee Z type frame 2's stability.

A hydraulic cylinder 19 is installed on one side of the top of the Z-shaped frame 2, a push rod 20 is arranged on the top of the hydraulic cylinder 19, the top end of the push rod 20 is rotatably connected with one side of the bottom of the positioning tube 4 through a connecting piece 21, and the hydraulic cylinder 19 is started, so that the angle between the positioning tube 4 and the outlet end of the internal cableway tube is adjusted.

One side fixedly connected with telescopic link 22 of Z type frame 2 bottom, the bottom of telescopic link 22 through connecting piece 21 with one side of registration arm 4 top is rotated and is connected, and the one end of registration arm 4 and ejector pin 20 contact rises, so the other end of registration arm 4 can take place to descend, drives telescopic link 22 extension promptly.

The working principle is as follows: firstly, the device is moved to a place to be used, then the anchor backing plate 1 is fixed with the bridge floor through a bolt, then a cableway pipe is inserted into the positioning pipe 4, when the cableway pipe enters the positioning pipe 4, the cableway pipe firstly contacts with the clamping pad 11 to extrude the clamping pad 11 towards two sides, namely, the fixing block 10 above and below one side of the clamping pad 11 is driven to simultaneously move towards two sides, so that the slide bar 8 is driven to deflect angularly through the connecting shaft 9, even if the two slide posts 7 rotationally connected with the slide bar 8 slide towards the opposite side, so as to extrude the clamping spring 12, so that the clamping spring 12 deforms to generate a reverse force, namely, the cableway pipe is fixed, then the micro motor 14 is started, so that the threaded rod 15 is driven to rotate through the output shaft, the part of the Z-shaped frame 2, which is positioned in the front groove 13, is in threaded connection with the threaded rod 15, and the bottom is in sliding connection with the front groove 13, so that the threaded rod 15 rotates, the Z-shaped frame 2 can be transversely displaced, namely the position of the ropeway pipe in the X-axis direction is adjusted, then the hydraulic cylinder 19 is started to enable the ejector rod 20 connected with the hydraulic cylinder to ascend, namely one end of the positioning pipe 4 ascends through the connecting piece 21, and as the positioning pipe 4 is rotatably connected with the through hole 3 through the rotating shaft, the other end of the positioning pipe 4 descends, namely the telescopic rod 22 is driven to extend through the other connecting piece 21, on the contrary, the other end of the positioning pipe 4 ascends, the telescopic rod 22 is shortened, namely the angle between the positioning pipe 4 and the outlet end of the ropeway pipe inside the positioning pipe is adjusted, the angle of the outlet end of the positioning pipe 4 can be adjusted firstly, and then the ropeway pipe is inserted into the positioning pipe 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. The utility model provides a cable-stay bridge cableway pipe positioner, includes anchor backing plate (1), its characterized in that: the top of the anchor backing plate (1) is connected with a Z-shaped frame (2) in a sliding way, a through hole (3) is arranged between the two sides of the Z-shaped frame (2), a positioning pipe (4) is rotationally connected between the front side and the rear side of the inner wall of the through hole (3) through a rotating shaft, both sides of the inner walls of both ends of the positioning tube (4) are fixedly connected with fixed frames (5), the front side and the rear side of each fixed frame (5) are respectively provided with a sliding chute (6), sliding columns (7) are connected to two sides of the sliding chute (6) in a sliding mode, a sliding rod (8) is connected to one end of each sliding column (7) in a rotating mode, a fixed block (10) is connected to one side of each sliding rod (8) in a rotating mode through a connecting shaft (9), a clamping pad (11) is fixedly connected between the opposite sides of the two fixed blocks (10), and a clamping spring (12) is fixedly connected between the opposite sides of the two sliding columns (7) in the sliding groove (6).

2. The cable-stayed bridge cable duct pipe positioning device according to claim 1, characterized in that: groove (13) before the front side at anchor backing plate (1) top is opened, micro motor (14) are installed to one side of preceding groove (13) bottom, the output shaft transmission of micro motor (14) is connected with threaded rod (15), the other end of threaded rod (15) runs through Z type frame (2) and rotates with one side of preceding groove (13) to be connected, one side fixedly connected with limiting plate (16) of preceding groove (13) bottom.

3. The cable-stayed bridge cable duct pipe positioning device according to claim 1, characterized in that: rear groove (17) are opened to the rear side at anchor backing plate (1) top, fixedly connected with gag lever post (18) between the both sides of rear groove (17), the one end of gag lever post (18) runs through Z type frame (2) and extends to the outside of Z type frame (2).

4. The cable-stayed bridge cable duct pipe positioning device according to claim 1, characterized in that: hydraulic cylinder (19) is installed to one side at Z type frame (2) top, the top of hydraulic cylinder (19) is provided with ejector pin (20), the top of ejector pin (20) pass through connecting piece (21) with one side of registration arm (4) bottom is rotated and is connected.

5. The cable-stayed bridge cable duct pipe positioning device according to claim 1, characterized in that: one side fixedly connected with telescopic link (22) of Z type frame (2) bottom, the bottom of telescopic link (22) pass through connecting piece (21) with one side rotation at registration arm (4) top is connected.