CN215119889U

CN215119889U - Threading device for reserving pre-buried wire pipes

Info

Publication number: CN215119889U
Application number: CN202121234211.3U
Authority: CN
Inventors: 龙永; 韦佳; 姜廷; 潘晨曦; 卢亮; 唐京平; 李勇; 刘江南; 张皓琛; 黄向前
Original assignee: China Construction Eighth Engineering Division Technology Construction Co Ltd
Current assignee: China Construction Eighth Engineering Division Technology Construction Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-10
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to a threading apparatus for reserving pre-buried wire tube, which comprises a threading block, wherein three hinging blocks are arranged on the outer side wall of the threading block, the hinging blocks are in a triangular structure, and a support mechanism is arranged inside each hinging block and comprises a support leg, a contact roller, a matching gear and a V-shaped elastic sheet; under V-arrangement shell fragment elastic deformation's cooperation, can make the contact gyro wheel of supporting leg one end contact with the pipe wall, through can support the threading piece at the intermediate position of pipeline like this, when contact elastic rod gets into pre-buried pipeline inside, contact elastic rod can draw in to inside, then make the choke cloth of connecting be located pipeline central point and put, when the air compressor machine blows, can effectual increase windage area, contact gyro wheel and contact ball have effectually reduced the influence of frictional force under to the threading piece mobile state, the efficiency of threading has been protected and has been improved.

Description

Threading device for reserving pre-buried wire pipes

Technical Field

The utility model relates to a threading apparatus technical field especially relates to a threading apparatus for reserving pre-buried spool.

Background

At present, the existing threading apparatus on a construction site generally adopts a steel wire with enough strength, one end of the steel wire is firstly bent into a circular return bend, and a strip line penetrates into the return bend. During construction, one person penetrates a steel wire at the end of an electric wire pipe loop, and after the steel wire penetrates out of a wire box, one person pulls the steel wire until the whole strip line penetrates into the wire pipe, and enough allowance is reserved at two ends of the pipeline. The construction process is complex, wastes manpower, and can be completed by the cooperation of two persons, the Chinese patent discloses a threading device for reserving pre-buried line pipes, the publication number is (CN209233329U), in the operation process of the patent, the threading device is put into the wire tube, the pneumatic force of the air compressor is utilized to make the threading device advance, the position of the junction box can be reached when the pipeline is smooth, the tape wire can be pulled out of the junction box and a certain reserved amount is left to finish the tape threading work of the loop, however, cement mortar is poured into the semicircular truncated cone-shaped head part of the patent, so that the weight of the head part is increased, when the air pressure pushes, if the whole head is not tightly attached to the pipeline, the actual wind resistance area is reduced, the moving speed is too slow, if the fit is tight, the weight of the entire threading head increases, requiring a greater air pressure to push and sliding friction is also a problem that impedes sliding speed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a threading apparatus for reserving pre-buried spool, have that the multitube footpath is suitable for, the windage is big, fast advantage.

The technical scheme for realizing the purpose is as follows:

the utility model provides a threading apparatus for reserving pre-buried spool, including the threading piece, three articulated pieces are installed to the lateral wall of threading piece, and three articulated piece is the triangle structure, three the inside of articulated piece all installs supporting mechanism, supporting mechanism includes supporting leg, contact roller, cooperation gear, V-arrangement shell fragment, wherein every the inside recess department of articulated piece all rotates and is connected with two cooperation gears, and two the cooperation gear intermeshing connects, two the cooperation gear is kept away from the one end of articulated piece is installed the supporting leg, two connect through the V-arrangement shell fragment between the supporting leg, the one end that the supporting leg kept away from the cooperation gear is installed the contact roller, the contact roller hugs closely at the inside wall of pre-buried pipe, the rear surface of threading piece is connected with twelve contact elastic force poles, and two connect through the cloth that blocks wind, and the middle position of the rear surface of the threading block is provided with a connecting hook.

Preferably, one end of the contact elastic rod, which is far away from the threading block, is provided with a contact ball. In order to further improve the threading efficiency.

Preferably, the front surface of the threading block is provided with a gravity block. In order to prevent the threading block from falling and breaking.

Preferably, the connecting hook is connected with the threading block through threads. The connecting hook is convenient for workers to detach.

Preferably, the wind blocking cloth is made of a rubber material member. To avoid wind from flowing out of the inner gap of the wind blocking cloth.

Preferably, the length of the contact spring rod is greater than that of the support leg. In order to facilitate the fixed connection of the contact elastic rod at the tail end of the threading block.

Preferably, the contact roller is a rubber wheel. In order to protect the inner side wall of the embedded pipeline.

The utility model has the advantages that: in the using process of the utility model,

1. the supporting mechanisms are installed at the hinging blocks on the outer side walls of the threading blocks, when the supporting mechanisms are inserted into the embedded pipelines, the supporting legs in the three hinging blocks can be opened outwards under the matching of the elastic deformation of the V-shaped elastic sheets, so that the contact rollers at one ends of the supporting legs are in contact with the pipe wall, the threading blocks can be supported at the middle position of the pipeline, and the deformation quantity of the V-shaped elastic sheets can be adjusted, so that the contact rollers connected with the supporting legs can be tightly attached to different pipe diameters, the threading blocks can be used in the embedded pipes with different sizes, and the applicability of the threading blocks is improved;

2. when the contact elastic rod enters the interior of the embedded pipeline, the contact elastic rod can be folded inwards to form a conical surface, then the connected wind resistance cloth is positioned in the center of the pipeline, and when the air compressor blows air, the wind resistance area can be effectively increased, so that the influence of wind power is effectively utilized, the moving speed of the threading block is ensured, and the threading efficiency is improved;

3. can make the sliding friction power of supporting leg and pipe wall convert into rotation friction power through the contact gyro wheel and reduced frictional force, and the contact ball converts the sliding friction power of contact elastic force pole and pipe wall into rotation friction power, can effectually reduce the influence of frictional force under to threading piece moving state through the aforesaid, has guaranteed the translation rate of threading piece, has further improved the efficiency of threading.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the support leg of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the support leg and the connection block in FIG. 1 according to the present invention;

fig. 4 is a schematic rear surface structure view of the wind blocking cloth of fig. 1 according to the present invention;

FIG. 5 is a schematic view of the connection structure of the wind-blocking cloth, the supporting legs and the pre-buried wire tube in FIG. 1

Description of reference numerals:

1. a threading block; 11. a gravity block; 12. a hinged block; 13. a connecting hook; 2. supporting legs; 21. a contact roller; 22. a mating gear; 23. a V-shaped spring plate; 3. a contact spring lever; 31. contacting the ball; 4. a wind-resistant cloth.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 5, the utility model provides a threading apparatus for reserving pre-buried line pipe, comprising a threading block 1, three hinged blocks 12 are installed on the outer side wall of the threading block 1, and the three hinged blocks 12 are in a triangular structure, a supporting mechanism is installed inside the three hinged blocks 12, the supporting mechanism comprises supporting legs 2, contact rollers 21, matching gears 22 and V-shaped spring pieces 23, wherein two matching gears 22 are rotatably connected at the inner groove of each hinged block 12, the two matching gears 22 are mutually meshed and connected, the supporting leg 2 is installed at one end of the two matching gears 22 far away from the hinged block 12, the two supporting legs 2 are connected through the V-shaped spring pieces 23, the contact roller 21 is installed at one end of the supporting leg 2 far away from the matching gears 22, the contact roller 21 is tightly attached to the inner side wall of the pre-buried line pipe, the rear surface of the threading block 1 is connected with twelve contact spring rods 3, and the two contact elastic rods 3 are connected through a wind resistance cloth 4, and a connecting hook 13 is arranged at the middle position of the rear surface of the threading block 1.

In the embodiment, the support mechanism is arranged at the hinged block 12 on the outer side wall of the threading block 1, when the support mechanism is inserted into the embedded pipeline, the support legs 2 in the three hinged blocks 12 are opened outwards under the matching of the elastic deformation of the V-shaped elastic sheet 23, so that the contact rollers 21 at one ends of the support legs 2 are contacted with the pipe wall, the threading block 1 can be supported at the middle position of the pipeline, and the deformation amount of the V-shaped elastic sheet 23 can be adjusted, so that the contact rollers 21 connected with the support legs 2 can be tightly attached to different pipe diameters, and the threading block 1 can be used in embedded pipes with different sizes, due to the increased applicability of the threading block 1, when the contact elastic rod 3 enters the embedded pipeline, the contact elastic rod 3 can be folded inwards to form a conical surface, and then the connected wind blocking cloth 4 is positioned at the central position of the pipeline, when the air compressor blows, the wind resistance area can be effectively increased, the wind influence is effectively utilized, the moving speed of the threading block 1 is guaranteed, and the threading efficiency is improved.

Further, as shown in fig. 1, a contact ball 31 is installed at an end of the contact elastic rod 3 away from the threading block 1. Can convert the sliding friction power of 3 pre-buried pipeline inside walls of contact elastic rod into rotation friction power through contact ball 31, can effectually reduce the influence that frictional force removed threading piece 1 like this, guarantee the translation rate of threading piece 1, further improve threading efficiency.

Further, as shown in fig. 1 and 2, a gravity block 11 is installed on the front surface of the threading block 1. When threading piece 1 runs through inside back down of pre-buried pipeline and drops, through the first and ground contact of gravity piece 11, can prevent that threading piece 1 from dropping and breaking.

Further, as shown in fig. 4, the connecting hook 13 is connected to the threading block 1 by a screw. The connecting hook 13 can be screwed from one end of the threading block 1, and thus the disassembly by workers can be facilitated.

Further, as shown in fig. 1, the choke cloth 4 is made of a rubber material member. The wind blocking cloth 4 is made of rubber material, the rubber has better firmness, and the wind force can be prevented from flowing out from the inner gap of the wind blocking cloth 4 in the using process.

Further, as shown in fig. 1, the length of the contact elastic rod 3 is greater than that of the support leg 2. Since the contact elastic rod 3 is fixedly connected to the tail end of the threading block 1 and the support leg 2 is located on the hinge block 12, the contact elastic rod 3 has a length difference from the support leg 2, so that the contact elastic rod 3 is fixedly connected to the tail end of the threading block 1.

Further, as shown in fig. 1, the contact roller 21 is a rubber wheel. The rubber wheel can make contact roller 21 can not influence the pre-buried pipeline inside wall of plastics material when rotating, plays the guard action to the pre-buried pipeline inside wall.

The utility model discloses a theory of operation is: in the using process of the utility model, when the wire needs to be penetrated into the other end of the embedded conduit, the end of the wire is firstly bound at the connecting hook 13, then the threading block 1 is inserted into the embedded conduit, when the supporting leg 2 is inserted into the embedded conduit, under the cooperation of the elastic deformation of the V-shaped elastic sheet 23, the supporting leg 2 inside the three groups of hinging blocks 12 can be opened outwards, and then the roller at one end of the supporting leg 2 is contacted with the conduit wall, through the way, the threading block 1 can be supported at the middle position of the conduit, when the contact elastic rod 3 is inserted into the embedded conduit, the contact elastic rod 3 can be folded inwards to form a conical surface, then the connected wind-blocking cloth 4 can be positioned at the central position of the conduit, when the air compressor blows, the wind resistance area can be effectively increased, further, the wind influence can be effectively utilized, the moving speed of the threading block 1 is ensured, improve threading efficiency.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims

1. The utility model provides a threading apparatus for reserving pre-buried spool which characterized in that: comprises a threading block, three hinging blocks are arranged on the outer side wall of the threading block, the three hinging blocks are in a triangular structure, supporting mechanisms are arranged inside the three hinging blocks, each supporting mechanism comprises a supporting leg, a contact roller, a matching gear and a V-shaped elastic sheet, wherein the inner groove of each hinge block is rotatably connected with two matching gears which are meshed with each other, one end of each matching gear far away from the hinge block is provided with a supporting leg, the two supporting legs are connected through a V-shaped elastic sheet, one end of the supporting leg, which is far away from the matching gear, is provided with a contact roller which is tightly attached to the inner side wall of the embedded pipe, the rear surface of the threading block is connected with twelve contact elastic rods, and the two contact elastic rods are connected through a wind-blocking cloth, and a connecting hook is arranged in the middle of the rear surface of the threading block.

2. The threading device for reserving pre-buried wire pipes as claimed in claim 1, wherein one end of the contact elastic rod, which is far away from the threading block, is provided with a contact ball.

3. The threading device for reserving the embedded line pipes as claimed in claim 1, wherein a gravity block is installed on the front surface of the threading block.

4. The threading device for reserving pre-buried line pipes as claimed in claim 1, wherein the connecting hook is connected with the threading block through a thread.

5. The threading apparatus for reserving pre-buried conduit according to claim 1, wherein the wind-resistant cloth is made of rubber material.

6. The threading apparatus for reserving pre-buried wire pipes as claimed in claim 1, wherein the length of the contact spring rod is greater than that of the support leg.

7. The threading apparatus for reserving pre-buried conduit according to claim 1, wherein the contact roller is a rubber wheel.