CN219529009U

CN219529009U - Simple tool convenient for replacing steel wire clip of tunnel positioning pipe

Info

Publication number: CN219529009U
Application number: CN202320578941.8U
Authority: CN
Inventors: 刘森森; 孟庆涛; 卢东; 潘伟; 常华; 王远斌; 谢启明
Original assignee: Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Current assignee: Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-15
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to a simple tool convenient for replacing a steel wire clip of a tunnel positioning tube, which comprises a shell and a telescopic assembly inside the shell, wherein the telescopic assembly comprises a push rod, the push rod penetrates through the top of the shell, a fixed block is fixedly connected to the top end of the push rod, a rack is fixedly arranged on one side of the push rod, a gear is connected with the rack in a meshed manner, the gear is fixedly sleeved on the periphery of the rotary rod, the rotary rod is rotationally connected with the side wall of the shell, and one end of the rotary rod penetrates through the side wall of the shell and is connected with a screwing handle. The other side of the ejector rod is fixedly provided with a T-shaped sliding block which is in sliding connection with a T-shaped sliding groove arranged on the side wall of the inner part of the shell. The side walls of the shell on two sides of the ejector rod and the rack are respectively connected with a screw in a threaded manner, one end of the screw screwed into the shell is fixedly provided with a resistance block, and the resistance block is abutted against the side wall of the ejector rod. According to the utility model, the telescopic component is arranged to support the tunnel positioning pipe in the process of replacing the steel wire clip, so that a worker can conveniently detach and replace the steel wire clip, and the change of the guide height of the positioning pipe can be avoided.

Description

Simple tool convenient for replacing steel wire clip of tunnel positioning pipe

Technical Field

The utility model relates to the technical field of tunnel positioning, in particular to a simple tool for conveniently replacing a steel wire clip of a tunnel positioning tube.

Background

In the tunnel construction process, a positioning pipe in the tunnel positioning device is hung on the carrier rope through a V-shaped hanging wire, the V-shaped hanging wire is connected and fixed with the carrier rope through a steel wire clamp, and in the long-term construction process, the carrier rope is easily damaged or broken strands of the carrier rope are caused due to the acting force of the steel wire clamp on the carrier rope, so that the existing steel wire clamp can be replaced with a middle anchor clamp which is not easy to damage the carrier rope in many projects.

However, when the old steel wire clip is detached and replaced by a worker, the balance of the positioning tube can be affected, the height change of the positioning tube is easily caused, and when the new middle anchor clip is replaced, the height is required to be readjusted. The old steel wire clip is required to be detached and replaced by a worker to climb up the tunnel for operation, so that the operation is inconvenient, the work difficulty of the worker is further increased by readjusting the height, and the work efficiency is also reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a simple tool which is convenient for replacing a steel wire clip of a tunnel positioning tube, which is used for supporting the positioning tube in the process of replacing the steel wire clip, so that the height change of the positioning tube can not be caused, the height is not required to be adjusted after the replacement is finished, and the problems of high work difficulty and low work efficiency of replacing the steel wire clip by a worker are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a simple and easy instrument of being convenient for change tunnel positioning tube steel wire checkpost, includes hollow column casing, the telescopic hole has been seted up at the casing top, the inside telescopic assembly that is provided with of casing.

The telescopic assembly comprises a push rod, a rack, a gear, a rotating rod and a T-shaped sliding block, wherein the top end of the push rod extends out of the shell through a telescopic hole, a fixing block is fixedly connected to the top of the push rod, the rack is fixedly connected to one side of the push rod, the rack is connected with the gear in a meshed mode, the gear is fixedly sleeved on the periphery of the rotating rod, the rotating rod is rotatably connected to the side wall of the shell, one end of the rotating rod penetrates through the side wall of the shell and extends out of the side wall of the shell, the T-shaped sliding block is fixedly connected to the other side of the push rod, a T-shaped sliding groove is formed in the side wall of the T-shaped sliding block, and one side of the push rod is far away from the T-shaped sliding groove in a sliding mode.

Threaded holes are respectively formed in the side walls of the shell on two sides of the ejector rod and the rack, the threaded holes on two sides are coaxially arranged, threaded holes are uniformly and in threaded connection with a screw rod, one end of the screw rod screwed into the shell is fixedly connected with a resistance block, and one side, away from the screw rod, of the resistance block is abutted against the side wall of the ejector rod.

Further, one end of the rotating rod extending out of the shell is provided with a rotary handle, one end of the rotating rod located in the shell is rotationally connected with the inner side wall of the shell, and the rotating rod is arranged at a position close to the top end of the shell.

Further, the inside bottom fixedly connected with vertical setting's of casing strengthening rib, just strengthening rib sliding connection in the inside of ejector pin.

Further, the surface of the resistance block, which is abutted against the ejector rod, is provided with anti-skid textures.

Further, the size of the telescopic hole is matched with the size of the section of the ejector rod and the rack.

Further, the top of the fixed block is provided with an arc-shaped groove matched with the circumference of the outer wall of the positioning pipe.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this simple and easy instrument of being convenient for change tunnel registration arm steel wire checkpost supports the registration arm through setting up flexible subassembly at the in-process of changing the steel wire checkpost, can protect its inside flexible subassembly through the casing, when using this instrument, at first drive the gear through rotating the bull stick and rotate to make gear drive rack and ejector pin reciprocate, in the removal in-process, still carry out spacingly to the ejector pin through strengthening rib in the ejector pin and T type slider on one side of the ejector pin, make the ejector pin can not take place the slope when going up and down. The fixed block at the top of the ejector rod supports the positioning tube in the tunnel, and the two resistance blocks fix the position of the ejector rod by rotating the two screws during supporting, so that the support of the positioning tube is more stable. When guaranteeing that the staff is dismantling old steel wire checkpost, even the positioning tube "V" type suspension wire is in the lax state, also can change the steel wire checkpost in situ, and can not cause the positioning tube to lead high change after changing, need not readjust the guide of positioning tube again and high.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the housing according to the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure in the direction A-A in FIG. 2.

In the figure: 1-shell, 2-telescopic hole, 3-bull stick, 4-strengthening rib, 5-gear, 6-rack, 7-ejector pin, 8-T type slider, 9-T type spout, 10-fixed block, 11-screw hole, 12-screw rod, 13-resistance piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a simple tool for conveniently replacing a steel wire clip of a tunnel positioning tube in this embodiment includes a hollow cylindrical housing 1, a telescopic hole 2 is formed in the top of the housing 1, and a telescopic assembly is disposed inside the housing 1.

The telescopic assembly comprises a push rod 7, a rack 6, a gear 5, a rotating rod 3 and a T-shaped sliding block 8, wherein the top end of the push rod 7 extends out of the shell 1 through a telescopic hole 2, a fixed block 10 is fixedly connected to the top of the push rod 7, an arc-shaped groove matched with the circumference of the outer wall of the positioning tube is formed in the top of the fixed block 10, so that the positioning tube is further limited by the fixed block 10 in the process of supporting the positioning tube, and the height of the positioning tube is prevented from changing more. The rack 6 is fixedly connected to one side of the ejector rod 7, the section size of the ejector rod 7 and the rack 6 is matched with the size of the telescopic hole 2, the rack 6 is connected with the gear 5 in a meshed mode, and the gear 5 is fixedly sleeved on the periphery of the rotating rod 3. The bull stick 3 sets up in the position that is close to casing 1 top, and the lateral wall of casing 1 is run through to the one end of bull stick 3 to rotate with the lateral wall of casing 1 in the department of running through and be connected, and the bull stick 3 stretches out the one end that is provided with rotatory handle outside casing 1 lateral wall, and the one end that bull stick 3 is located casing 1 rotates with the inside lateral wall of casing 1 to be connected.

The T-shaped sliding block 8 is fixedly connected to the other side of the ejector rod 7, a T-shaped sliding groove 9 is formed in the shell 1 and close to the side wall of the T-shaped sliding block 8, and one side, away from the ejector rod 7, of the T-shaped sliding block 8 is slidably connected in the T-shaped sliding groove 9.

Screw holes 11 are respectively formed in the side walls of the shell 1 on the two sides of the ejector rod 7 and the rack 6, the screw holes 11 on the two sides are coaxially arranged, a screw rod 12 is connected in each screw hole 11 in a threaded mode, a resistance block 13 is fixedly connected to one end of each screw rod 12 screwed into the shell 1, one side, away from the screw rod 12, of each resistance block 13 is abutted against the side wall of the ejector rod 7, and anti-slip textures are arranged on the surface, abutted against the ejector rod 7, of each resistance block 13. The screw rod 12 is located the one end outside the casing 1 and all fixedly connected with revolves the screw block to the operation of screwing in to screw rod 12.

In this embodiment, the inside bottom of the housing 1 is fixedly connected with a vertically arranged reinforcing rib 4, and the reinforcing rib 4 is slidably connected to the inside of the ejector rod 7.

The working principle of the embodiment is as follows:

according to the simple tool convenient for replacing the steel wire clip of the tunnel locating tube, the telescopic component is arranged to support the tunnel locating tube in the process of replacing the steel wire clip, and the shell 1 can protect the telescopic component inside the telescopic component.

When the tool is used, the gear 5 is driven to rotate by the rotating rod 3, so that the gear 5 drives the rack 6 and the ejector rod 7 to move up and down, and in the moving process, the ejector rod 7 is limited by the reinforcing ribs 4 in the ejector rod 7 and the T-shaped sliding block 8 on one side of the ejector rod 7, so that the ejector rod 7 cannot incline when lifting. The fixed block 10 at the top of the ejector rod 7 supports the positioning pipe in the tunnel, and the two resistance blocks 13 fix the position of the ejector rod 7 by rotating the two screw rods 12 during supporting, so that the support of the positioning pipe is more stable. When guaranteeing that the staff is dismantling old steel wire checkpost, even the positioning tube "V" type suspension wire is in the lax state, also can change the steel wire checkpost in situ, and can not cause the positioning tube to lead high change after changing, need not readjust the guide of positioning tube again and high.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. Simple tool convenient for replacing steel wire clips of tunnel positioning pipe, and is characterized in that: the telescopic type shell comprises a hollow columnar shell body (1), wherein a telescopic hole (2) is formed in the top of the shell body (1), and a telescopic assembly is arranged in the shell body (1);

the telescopic assembly comprises a push rod (7), a rack (6), a gear (5), a rotary rod (3) and a T-shaped sliding block (8), wherein the top end of the push rod (7) extends out of the shell (1) through a telescopic hole (2), a fixed block (10) is fixedly connected to the top of the push rod (7), the rack (6) is fixedly connected to one side of the push rod (7), the rack (6) is in meshed connection with the gear (5), the gear (5) is fixedly sleeved on the periphery of the rotary rod (3), the rotary rod (3) is rotatably connected to the side wall of the shell (1), one end of the rotary rod (3) penetrates through the side wall of the shell (1) and extends out of the side wall of the shell (1), the T-shaped sliding block (8) is fixedly connected to the other side of the push rod (7), a T-shaped sliding groove (9) is formed in the side wall of the shell (1) and close to the T-shaped sliding block (8), and the T-shaped sliding block (8) is far away from the one side of the T-shaped sliding groove (9).

Screw holes (11) are respectively formed in the side walls of the shell (1) on two sides of the ejector rod (7) and the rack (6), the screw holes (11) on two sides are coaxially arranged, screw rods (12) are connected with threads in the screw holes (11), one ends of the screw rods (12) screwed into the shell (1) are fixedly connected with resistance blocks (13), and one sides of the resistance blocks (13) away from the screw rods (12) are abutted against the side walls of the ejector rod (7).

2. The simple tool for conveniently replacing a steel wire clip of a tunnel locating pipe according to claim 1, wherein: one end of the rotating rod (3) extending out of the shell (1) is provided with a rotary handle, one end of the rotating rod (3) located in the shell (1) is rotationally connected with the inner side wall of the shell (1), and the rotating rod (3) is arranged at a position close to the top end of the shell (1).

3. The simple tool for conveniently replacing a steel wire clip of a tunnel locating pipe according to claim 1, wherein: the inside bottom fixedly connected with vertical setting strengthening rib (4) of casing (1), just strengthening rib (4) sliding connection in the inside of ejector pin (7).

4. The simple tool for conveniently replacing a steel wire clip of a tunnel locating pipe according to claim 1, wherein: and the surface of the resistance block (13) which is abutted against the ejector rod (7) is provided with anti-skid textures.

5. The simple tool for conveniently replacing a steel wire clip of a tunnel locating pipe according to claim 1, wherein: the size of the telescopic hole (2) is smaller than that of the section of the ejector rod (7) with the toothed bar (6).

6. The simple tool for conveniently replacing a steel wire clip of a tunnel locating pipe according to claim 1, wherein: the top of the fixed block (10) is provided with an arc-shaped groove matched with the circumference of the outer wall of the positioning pipe.