Pipe jacking construction hole opening water stopping device

Abstract

The utility model discloses a pipe jacking construction hole water stop device which comprises a connecting cylinder, a mounting plate, a supporting adjusting assembly and a sealing mechanism, a connecting hole is formed in the outer side wall of the connecting cylinder, the mounting plate is fixedly connected to the end face of one end of the connecting cylinder, and a positioning hole is formed in the edge of the end face of the mounting plate and used for fixedly mounting one end of the connecting cylinder at a hole. The supporting adjusting assembly is fixedly connected to the other end of the connecting plate and used for adjusting a center shaft of the connecting cylinder, and the sealing mechanism penetrates through the connecting hole to be movably connected to the side wall of the connecting cylinder and is located between the mounting plate and the supporting adjusting assembly. The utility model belongs to the technical field of pipe-jacking construction water stopping devices, and particularly relates to a pipe-jacking construction hole water stopping device which is used for stopping water of a hole during pipe-jacking construction, adjusting a central shaft of a pipeline, improving the uniformity of a gap between the outer wall of the pipeline and the inner wall of the hole and improving the sealing water stopping effect between the outer wall of the pipeline and the inner wall of the hole.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the top -tube construction water stop device technical field especially relates to a top -tube construction hole water stop device. BACKGROUND

[0002] In the top pipe construction process, the hole is reserved for the pipe jacking machine and the pipe, and in order to facilitate the pipe jacking machine and the pipe, the inner diameter of the hole is usually larger than the outer diameter of the pipe, but this means that there will be a gap between the hole and the pipe, if the gap is not sealed, groundwater and silt will flow out of the gap, affecting the operation, and may cause the upper part of the hole to collapse, affecting the safety of underground pipelines.

[0003] The existing water stop device cannot adjust the coaxiality between the pipe and the hole, due to the influence of the pipe gravity, the gap between the hole above the pipe is large, there is an error when the water stop is blocked, which affects the blocking effect, and the existing water stop device generally has a blocking effect, when the pipe and the hole are not coaxial, the gap between the inner wall of the hole and the outer wall of the pipe cannot be automatically filled. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the center axis of the pipe is adjusted, the uniformity of the gap between the outer wall of the pipe and the inner wall of the hole is improved, and the sealing and water stopping effect between the outer wall of the pipe and the inner wall of the hole is increased.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a top pipe construction hole water stop device, including connecting cylinder, mounting plate, support adjusting assembly and sealing mechanism, the outer side wall of connecting cylinder is opened with connecting hole, the mounting plate is fixedly connected with one end face of connecting cylinder, the mounting plate end face edge is opened with positioning hole, for the one end of connecting cylinder is fixedly installed at the hole, the support adjusting assembly is fixedly connected with the other end of connecting plate, for the center axis adjustment of connecting cylinder, the sealing mechanism is connected with the side wall of connecting cylinder through connecting hole and is located between the mounting plate and the support adjusting assembly.

[0006] Further, the sealing mechanism includes an outer air bag, an inner air bag, a connecting air bag, an adjusting stud and a support ring, the connecting air bag is arranged between the inner side wall and the outer side wall of the connecting cylinder through the connecting hole, the outer air bag is connected to one end of the connecting air bag and located on the outer side wall of the connecting cylinder, the inner air bag is connected to the other end of the connecting air bag and located on the inner side wall of the connecting cylinder, the outer air bag and the inner air bag are connected through the connecting air bag, one end of the adjusting stud is connected with the mounting plate through the mounting plate end face and is screwed in the mounting plate, the support ring is slidably arranged on the outer side wall of the connecting cylinder, and one end of the adjusting stud is rotatably connected with the end surface of the support ring.

[0007] Further, the inner air bag is fixedly connected with a sealing ring on the inner side wall close to the two end faces, and the sealing ring is symmetrically arranged.

[0008] Further, the support adjusting assembly comprises a support rubber ring, a support stud and a support baffle, the support rubber ring is fixedly connected to the end face of the connecting cylinder away from the mounting plate, screw holes are formed in the side wall of the support rubber ring, the support stud is threadedly connected into the screw holes, and the support baffle is rotationally connected to one end of the support stud and is pushed to move radially along the outer side wall of the support rubber ring for adjustment.

[0009] Preferably, the screw holes are arranged in uniform intervals along the outer circumferential side of the support rubber ring.

[0010] Preferably, the connecting holes are arranged in a ring shape in uniform intervals with the central axis of the connecting cylinder as the center.

[0011] With the above structure, the beneficial effects of the utility model are as follows: for the water stop of the hole during pipe jacking construction, the connecting cylinder is sleeved on the outer side wall of the end face of the hole pipe, the connecting cylinder is located between the inner wall of the hole and the outer wall of the pipe, one end of the connecting cylinder is abutted on the port of the hole through the mounting plate, the other end of the connecting cylinder in the hole is adjusted in height position through the support adjusting assembly, the connecting cylinder drives the pipe to move and adjust, the pipe is kept coaxial with the hole as much as possible, the sealing mechanism is penetrated through the connecting hole and acts between the inner wall of the hole and the outer wall of the pipe, and the water stop between the outer wall of the pipe and the inner wall of the hole is realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the utility model, constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model.

[0013] Figure 1 It is a whole structure schematic view of the hole water stop device for pipe jacking construction proposed in the utility model;

[0014] Figure 2 It is a half sectional view of the hole water stop device for pipe jacking construction proposed in the utility model;

[0015] Figure 3 It is a connecting cylinder structure schematic view of the hole water stop device for pipe jacking construction proposed in the utility model;

[0016] Figure 4 It is an A part enlarged view of Figure 2

[0017] Figure 5 It is a side view internal structure schematic view of the connecting cylinder of the hole water stop device for pipe jacking construction proposed in the utility model.

[0018] ​In the drawings: 1, connecting cylinder, 2, mounting plate, 3, support adjustment assembly, 4, sealing mechanism, 5, connecting hole, 6, positioning hole, 7, outer air bag, 8, inner air bag, 9, connecting air bag, 10, adjusting stud, 11, support ring, 12, sealing ring, 13, support rubber ring, 14, support stud, 15, support baffle, 16, threaded hole. DETAILED DESCRIPTION

[0019] As Figures 1-5 shown, a pipe jacking construction hole water stop device, it includes connecting cylinder 1, mounting plate 2, support adjustment assembly 3 and sealing mechanism 4, connecting cylinder 1 outer wall is provided with connecting hole 5, mounting plate 2 is fixedly connected to one end of connecting cylinder 1, mounting plate 2 end face edge is provided with positioning hole 6, for connecting cylinder 1 one end fixedly installed in the hole, support adjustment assembly 3 is fixedly connected to the other end of connecting plate, for connecting cylinder 1 center shaft adjustment, sealing mechanism 4 is movably connected to the side wall of connecting cylinder 1 through connecting hole 5, and is located between mounting plate 2 and support adjustment assembly 3, connecting cylinder 1 is inserted into the hole, one end of connecting cylinder 1 is adhered to the hole end face through mounting plate 2, and the bolt is inserted into the positioning hole 6, the positioning of one end of the pipeline is realized, the position of the other end of connecting cylinder 1 is adjusted through support adjustment assembly 3, and the other end of the pipeline is supported and fixed in the hole through support adjustment assembly 3, when the pipeline is inserted into connecting cylinder 1, sealing mechanism 4 is passed through connecting hole 5, acts on the inner wall and the outer wall of connecting cylinder 1, blocks the hole inner wall and the pipeline outer wall, realizes the water stop effect of the hole.

[0020] As Figure 2 and Figure 3 shown, in order to realize the coaxial adjustment of the pipeline and the hole, the position of the end of connecting cylinder 1 away from mounting plate 2 is adjusted, support adjustment assembly 3 includes support rubber ring 13, support stud 14 and support baffle 15, support rubber ring 13 is fixedly connected to the end face of the end of connecting cylinder 1 away from mounting plate 2, support rubber ring 13 side wall is provided with threaded hole 16, support stud 14 is threadedly connected in threaded hole 16, support baffle 15 is rotatably connected to one end of support stud 14, and the support baffle 15 is pushed to move radially along the outer side wall of support rubber ring 13 for adjustment, threaded holes 16 are arranged in uniform intervals along the outer circumferential side of support rubber ring 13, when connecting cylinder 1 is inserted into the hole and fixed through mounting plate 2, support stud 14 in support rubber ring 13 is rotated, support stud 14 moves in support rubber ring 13, drives support baffle 15 to contact the inner wall of the hole, realizes the position adjustment of the end of connecting cylinder 1 in the hole, realizes the coaxial adjustment of connecting cylinder 1 and the hole.

[0021] As Figures 2-5As shown, in order to realize the effect of hole water stop, the outer wall of the pipeline and the inner wall of the hole are sealed, and the sealing mechanism 4 comprises an outer air bag 7, an inner air bag 8, a connecting air bag 9, an adjusting stud 10 and a supporting ring 11. The connecting air bag 9 is arranged between the inner and outer side walls of the connecting cylinder 1 through the connecting hole 5. The outer air bag 7 is connected to one end of the connecting air bag 9 and located on the outer side wall of the connecting cylinder 1. The inner air bag 8 is connected to the other end of the connecting air bag 9 and located on the inner side wall of the connecting cylinder 1. The outer air bag 7 and the inner air bag 8 are connected through the connecting air bag 9. One end of the adjusting stud 10 penetrates the end face of the mounting plate 2 and is threadedly connected in the mounting plate 2. The supporting ring 11 is slidingly arranged on the outer side wall of the connecting cylinder 1. One end of the adjusting stud 10 is rotationally connected to the end face of the supporting ring 11. The connecting air bag 9 passes through the connecting hole 5. The connecting hole 5 is arranged in a ring shape around the center axis of the connecting cylinder 1. The outer air bag 7 and the inner air bag 8 are connected to the connecting air bag 9, and the outer air bag 7, the inner air bag 8 and the connecting air bag 9 are in an inflated state. When sealing, the adjusting stud 10 is rotated to push the supporting ring 11 to slide on the outer side wall of the connecting cylinder 1 and contact one end of the outer air bag 7. The supporting ring 11 pushes and extrudes the outer air bag 7 to increase the internal pressure of the outer air bag 7. Through the connecting air bag 9, the inner air bag 8 is entered, and at the same time, the inner air bag 8 contacts the outer wall of the pipeline to realize the sealing between the inner wall of the connecting cylinder 1 and the outer wall of the pipeline. When the inner air bag 8 closely contacts the outer wall of the pipeline and cannot be deformed, the outer air bag 7 is continuously pushed by the supporting ring 11 to increase the diameter, so that the outer circumferential side of the outer air bag 7 is attached to the inner wall of the hole to realize the sealing between the outer wall of the connecting cylinder 1 and the inner wall of the hole. Under the joint sealing action of the outer air bag 7 and the inner air bag 8, the water stop at the hole is realized.

[0022] Among them, the inner air bag 8 is fixedly connected with a sealing ring 12 close to the inner side wall of the two end faces, the sealing ring 12 is symmetrically arranged, and is used to increase the sealing effect between the outer wall of the pipeline and the inner air bag 8 when the pipeline is inserted into the connecting cylinder 1.

[0023] In specific use, the operator inserts the connecting cylinder 1 into the hole. At one end of the mounting plate 2 of the connecting cylinder 1, the bolt is transmitted through the positioning hole 6 to fix one end of the connecting cylinder 1 to the end face of the hole. Then the supporting stud 14 in the supporting rubber ring 13 is rotated to move in the supporting rubber ring 13, drive the supporting baffle 15 to contact the inner wall of the hole, realize the position adjustment of one end of the connecting cylinder 1 in the hole, realize the coaxial connection of the connecting cylinder 1 and the hole, and realize the installation of the connecting cylinder 1.

[0024] In the initial state, the outer air bag 7, the inner air bag 8 and the connecting air bag 9 are in the inflated state, when sealing, the adjusting stud 10 is rotated to push the supporting ring 11 to slide on the outer side wall of the connecting cylinder 1 and contact one end of the outer air bag 7, the supporting ring 11 pushes the extruded outer air bag 7 to increase the internal pressure of the outer air bag 7, enters the inner air bag 8 through the connecting air bag 9, at the same time, the inner air bag 8 contacts the outer wall of the pipeline to realize the sealing between the inner wall of the connecting cylinder 1 and the outer wall of the pipeline, when the inner air bag 8 closely contacts the outer wall of the pipeline and cannot be deformed, the outer air bag 7 is continuously pushed by the supporting ring 11 to increase the diameter, so that the outer circumferential side of the outer air bag 7 is attached to the inner wall of the hole, the sealing between the outer wall of the connecting cylinder 1 and the inner wall of the hole is realized, under the joint sealing effect of the outer air bag 7 and the inner air bag 8, the water stop at the hole is realized.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents. In general, if those skilled in the art are inspired by it, without departing from the creative purpose of the utility model, the similar structure mode and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A water-stopping device for a pipe jacking construction hole, characterized by: It includes a connecting tube, a mounting plate, a support and adjustment assembly and a sealing mechanism. The outer wall of the connecting tube is provided with a connecting hole. The mounting plate is fixedly connected to one end face of the connecting tube. A positioning hole is provided at the edge of the end face of the mounting plate for fixing one end of the connecting tube at the hole. The support and adjustment assembly is fixedly connected to the other end of the connecting plate for adjusting the central axis of the connecting tube. The sealing mechanism passes through the connecting hole and is movably connected to the side wall of the connecting tube, and is located between the mounting plate and the support and adjustment assembly.

2. A water-stopping device for a pipe jacking construction hole according to claim 1, characterized in that: The sealing mechanism includes an outer airbag, an inner airbag, a connecting airbag, an adjusting stud and a support ring. The connecting airbag passes through a connecting hole and is arranged between the inner wall and the outer wall of the connecting tube. The outer airbag is connected to one end of the connecting airbag and is located on the outer wall of the connecting tube. The inner airbag is connected to the other end of the connecting airbag and is located on the inner wall of the connecting tube. The outer airbag and the inner airbag are connected through the connecting airbag. One end of the adjusting stud passes through the end face of the mounting plate and is threadedly connected to the mounting plate. The support ring is slidably arranged on the outer wall of the connecting tube. One end of the adjusting stud is rotatably connected to the end face of the support ring.

3. A water-stopping device for a pipe jacking construction hole according to claim 2, characterized in that: The inner side walls of the inner airbag close to the two end surfaces are fixedly connected with sealing rings, and the sealing rings are symmetrically arranged.

4. A water-stopping device for a pipe jacking construction hole according to claim 1, characterized in that: The support adjustment assembly includes a support rubber ring, a support stud and a support baffle. The support rubber ring is fixedly connected to the end face of the connecting tube away from the mounting plate. A screw hole is opened on the side wall of the support rubber ring. The support stud is threadedly connected to the screw hole. The support baffle is rotatably connected to one end of the support stud and pushes the support baffle to move radially along the outer wall of the support rubber ring for adjustment.

5. A water-stopping device for a pipe jacking construction hole according to claim 4, characterized in that: The screw holes are arranged at even intervals along the outer circumference of the supporting rubber ring.

6. A water-stopping device for a pipe jacking construction hole according to claim 1, characterized in that: The connecting holes are arranged in a ring-shaped manner with the central axis of the connecting cylinder as the center and are evenly spaced.

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