CN211821010U

CN211821010U - Novel pipe jacking sealing device

Info

Publication number: CN211821010U
Application number: CN202020268854.9U
Authority: CN
Inventors: 黎晨曦; 胡袁鹏; 张志杰; 宋鹏浩; 牟毅博; 何红茹
Original assignee: Shaanxi Xiaolong Construction Engineering Co Ltd
Current assignee: Shaanxi Xiaolong Construction Engineering Co Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-10-30
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a novel push pipe is sealed device, the installation structure comprises a sleeve, the pipeline has been placed to the sheathed tube inboard, the thread groove has been seted up in the sleeve pipe outside, and the quantity of thread groove is four, the bolt is all installed through the screw thread to the inside of thread groove, the bolt is close to the all fixed mounting of one end of pipeline has the bearing, the bearing is close to the all fixed mounting picture peg of one end of pipeline, the picture peg has all placed the grip block near the one end of pipeline. The utility model discloses a take out the grip block of the different models of this device supporting production, through aim at the slot with the slot on the grip block and insert, at this moment stop to the connecting plate application of force, at this moment the spring is owing to the elastic potential energy release that the compression stored to thereby it pops out to drive the gag lever post and inserts and the spacing groove, thereby fixed picture peg and grip block, thereby make this device adaptation in the pipeline of more cross sections through removable grip block, thereby the effectual application scope who promotes this device.

Description

Novel pipe jacking sealing device

Technical Field

The utility model relates to a push pipe technical field specifically is a novel push pipe is sealed device.

Background

The pipe jacking technology is a trenchless tunneling type pipeline laying construction technology used for municipal construction. The method has the advantages of no influence on the surrounding environment or less influence, small construction site and low noise. The pipe jacking construction is an underground pipeline construction method developed after shield construction, does not need to excavate a surface layer, and can pass through highways, railways, rivers, ground buildings, underground structures, various underground pipelines and the like. In the pipe jacking construction, by means of the thrust of a main jacking oil cylinder, an inter-pipeline relay and the like, a tool pipe or a heading machine is pushed from a working well through a soil layer until the tool pipe or the heading machine is hoisted in a receiving well. Meanwhile, a pipeline following a tool pipe or a heading machine is buried between two wells, so that a construction method for laying underground pipelines in a non-excavation mode is realized, the pipeline at the front end can be sealed through the existing pipe jacking technology, the existing sealing technology is usually realized through a sealing ring and the like, different sealing strips are needed to be used for pipelines with different cross sections, the working cost is relatively high, the sealing effect is required to be improved, and therefore a novel pipe jacking sealing device needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel push pipe is sealed device to current push pipe technique of proposing can seal the pipeline of foremost in solving above-mentioned background art, and present sealing technique often realizes through sealing washer etc. need use different sealing strips to the pipeline of different cross sections, and working cost is higher relatively, and sealed effect remains the problem that promotes.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel push pipe sealing device, includes the sleeve pipe, the pipeline has been placed to the sheathed tube inboard, the thread groove has been seted up in the sleeve pipe outside, and the quantity of thread groove is four, the bolt is all installed through the screw thread in the inside of thread groove, the bolt is close to the all fixed mounting of one end of pipeline has the bearing, the bearing is close to the all fixed mounting picture peg of one end of pipeline, the grip block has all been placed to the one end that the picture peg is close to the pipeline, the slot has all been seted up to the one end that the pipeline was kept away from to the grip block, and the one end of picture.

Preferably, a drill bit is fixedly mounted on the back surface of the sleeve, and the drill bit is conical in shape.

Preferably, the clamping plate is provided with a rubber pad at one end close to the pipeline, and the rubber pad is attached to the outer side of the pipeline.

Preferably, the spacing groove has all been seted up in the grip block of slot inner wall one side, and the spacing groove all is linked together with the slot, first logical groove has all been seted up violently to the both sides of picture peg, first logical inslot all fixed mounting has the spring, the spring is kept away from each other the equal fixed mounting of one end has the gag lever post, and the one end of gag lever post all extends to the inside of spacing groove.

Preferably, the front of the clamping plate is provided with a second through groove, the second through groove is communicated with the first through groove, the connecting plate is placed inside the second through groove, and the back of the connecting plate is fixedly connected with the front of the limiting rod.

Compared with the prior art, the beneficial effects of the utility model are that: this novel push pipe sealing device simple structure sets up rationally, through the supporting grip block of different models of this device of production to but make the pipeline of more cross sections of this device adaptation through dismantling, thereby the effectual practicality that has promoted this device.

1. Through holding the connecting plate and outwards pulling, at this moment the connecting plate can drive the gag lever post extrusion spring and inwards contract, at this moment the gag lever post is no longer spacing with the spacing groove, at this moment can separate grip block and picture peg, at this moment can take out the grip block of the supporting different models of production of this device, through aim at the slot with the slot on the grip block and insert, at this moment stop the application of force to the connecting plate, at this moment the spring is owing to the elastic potential energy release that the compression stored, thereby it pops out and inserts and the spacing groove to drive the gag lever post, thereby it is fixed with picture peg and grip block, thereby through removable grip block make this device adaptation in the pipeline of more cross sections, thereby effectual application scope who has promoted this.

2. When laminating through rubber pad and pipeline, because the characteristic of rubber pad, can protect the pipeline on the one hand, the effectual clamping-force that has cushioned to carry out protection to the pipeline to a certain extent, in addition aspect because the coefficient of friction of rubber pad is great, consequently the effectual stability when promoting this device work and centre gripping.

3. The shape through the drill bit is the toper, when this device was pushed up in soil, because the shape of drill bit, the effectual area that reduces drill bit and soil contact to can the ejecting required power of this device of effectual reduction, thereby the effectual practicality that has promoted this device.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic side view of the structure of the present invention;

fig. 4 is an enlarged schematic view of a portion of the structure at a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic view of a part of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a sleeve; 2. a drill bit; 3. a thread groove; 4. a bolt; 5. a bearing; 6. a clamping plate; 7. a rubber pad; 8. inserting plates; 9. a slot; 10. a limiting groove; 11. a first through groove; 12. a spring; 13. a limiting rod; 14. a connecting plate; 15. a second through groove; 16. a pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment:

the utility model provides a novel push pipe sealing device, includes sleeve pipe 1, pipeline 16 has been placed to sleeve pipe 1's inboard, thread groove 3 has been seted up in the sleeve pipe 1 outside, and thread groove 3's quantity is four, and sleeve pipe 1's back fixed mounting has drill bit 2, and the shape of drill bit 2 is the toper, when this device by the top in soil, because the shape of drill bit 2, the effectual area that reduces drill bit 2 and soil contact to can the ejecting required power of this device of effectual reduction, thereby the effectual practicality that promotes this device.

Bolt 4 is all installed through the screw thread to the inside of thread groove 3, the all fixed mounting of one end that bolt 4 is close to pipeline 16 has bearing 5, bearing 5 is close to the all fixed mounting picture peg 8 of one end of pipeline 16, grip block 6 has all been placed to the one end that picture peg 8 is close to pipeline 16, grip block 6 is close to the all fixed mounting of one end of pipeline 16 has rubber pad 7, and rubber pad 7 all laminates with the outside of pipeline 16, when laminating with pipeline 16 through rubber pad 7, because the characteristic of rubber pad 7, can protect pipeline 16 on the one hand, the effectual clamping-force that has cushioned, thereby carry out protection to pipeline 16 to a certain extent, in addition because the coefficient of friction of rubber pad 7 is great, consequently, the effectual stability when having promoted this device work and centre gripping.

The clamping plate 6 is provided with a slot 9 at one end far away from the pipeline 16, the inserting plate 8 is provided with an end extending to the inside of the slot 9, the clamping plate 6 at one side of the inner wall of the slot 9 is provided with a limit groove 10, the limit groove 10 is communicated with the slot 9, the inserting plate 8 is provided with a first through groove 11 at two sides transversely, a spring 12 is fixedly arranged in the first through groove 11, a limit rod 13 is fixedly arranged at one end far away from the spring 12, one end of the limit rod 13 extends to the inside of the limit groove 10, the clamping plate 6 is provided with a second through groove 15 at the front side, the second through groove 15 is communicated with the first through groove 11, a connecting plate 14 is arranged in the second through groove 15, the back side of the connecting plate 14 is fixedly connected with the front side of the limit rod 13, the rubber gasket 7 is separated from the pipeline 16 by screwing the bolt 4, the connecting plate 14 is pulled outwards by holding, at this time, the connecting plate 14 drives the limit rod 13 to, at this moment, the limiting rod 13 is no longer limited by the limiting groove 10, at this moment, the clamping plate 6 can be separated from the inserting plate 8, at this moment, the clamping plate 6 of different models can be produced by taking out the device in a matched mode, the inserting groove 9 on the clamping plate 6 is aligned with the inserting groove 9 to be inserted, at this moment, the force application to the connecting plate 14 is stopped, at this moment, the spring 12 drives the limiting rod 13 to pop out due to the release of elastic potential energy stored by compression so as to be inserted into the limiting groove 10, therefore, the inserting plate 8 and the clamping plate 6 are fixed, the device is adaptive to pipelines 16 with more cross sections through the replaceable clamping plate 6, and therefore the application range of the.

The working principle is as follows: when the worker uses the device, the sleeve 1 is sleeved on the pipeline 16, the four bolts 4 are screwed, the bolts 4 approach the pipeline 16 through the thread grooves 3, the four rubber pads 7 clamp the periphery of the pipeline 16, and the sleeve 1 is connected with the pipeline 16 to start working.

After the device is used, the rubber gasket 7 is separated from the pipeline 16 by screwing the bolt 4, the device can be taken out, the connecting plate 14 is held to be pulled outwards, the connecting plate 14 can drive the limiting rod 13 to extrude the spring 12 to contract inwards, the limiting rod 13 is not limited with the limiting groove 10, the clamping plate 6 can be separated from the inserting plate 8, the device can be taken out to produce clamping plates 6 of different models in a matching mode, the inserting groove 9 in the clamping plate 6 is aligned with the inserting groove 9 to be inserted, the force application to the connecting plate 14 is stopped, and the spring 12 releases elastic potential energy stored by compression, so that the limiting rod 13 is driven to pop out to be inserted into the limiting groove 10, and the inserting plate 8 and the clamping plate 6 are fixed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 novel push pipe sealing device, includes sleeve pipe (1), its characterized in that: pipeline (16) have been placed to the inboard of sleeve pipe (1), thread groove (3) have been seted up in the sleeve pipe (1) outside, and the quantity of thread groove (3) is four, bolt (4) have all been installed through the screw thread to the inside of thread groove (3), the one end that bolt (4) are close to pipeline (16) all fixed mounting have bearing (5), the one end all fixed mounting picture peg (8) that bearing (5) are close to pipeline (16), grip block (6) have all been placed to the one end that picture peg (8) are close to pipeline (16), slot (9) have all been seted up to the one end that pipeline (16) were kept away from in grip block (6), and the one end of picture peg (8) all extends to the inside of slot (9).

2. The novel push pipe sealing device as claimed in claim 1, wherein: the back of the sleeve (1) is fixedly provided with a drill bit (2), and the drill bit (2) is conical.

3. The novel push pipe sealing device as claimed in claim 1, wherein: and one end of the clamping plate (6) close to the pipeline (16) is fixedly provided with a rubber pad (7), and the rubber pad (7) is attached to the outer side of the pipeline (16).

4. The novel push pipe sealing device as claimed in claim 1, wherein: spacing groove (10) have all been seted up in grip block (6) of slot (9) inner wall one side, and spacing groove (10) all are linked together with slot (9), first logical groove (11) have all been seted up all violently to the both sides of picture peg (8), all fixed mounting has spring (12) in first logical groove (11), the one end that spring (12) kept away from each other all fixed mounting have gag lever post (13), and the one end of gag lever post (13) all extends to the inside of spacing groove (10).

5. The novel push pipe sealing device as claimed in claim 1, wherein: the front of grip block (6) has all been seted up second and has been led to groove (15), and second leads to groove (15) and all is linked together with first logical groove (11), connecting plate (14) have all been placed to the inside that the second led to groove (15), and the back of connecting plate (14) all with the front fixed connection of gag lever post (13).