CN215486075U - A entrance to a cave protector for push pipe construction - Google Patents
A entrance to a cave protector for push pipe construction Download PDFInfo
- Publication number
- CN215486075U CN215486075U CN202120954429.XU CN202120954429U CN215486075U CN 215486075 U CN215486075 U CN 215486075U CN 202120954429 U CN202120954429 U CN 202120954429U CN 215486075 U CN215486075 U CN 215486075U
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- China
- Prior art keywords
- ring body
- outer ring
- pipe jacking
- clamp
- engaging
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 230000001012 protector Effects 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims 1
- 238000007142 ring opening reaction Methods 0.000 abstract description 14
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The embodiment of the utility model provides a hole protective device for pipe jacking construction, which comprises an inner ring body, an outer ring body and a cutting support, wherein the cutting support comprises a base, a supporting column, a clamp and a rotating block, the rotating block is arranged at the front end of the front side of the clamp, the clamp comprises a downloading disc, a top cover, a mounting groove, a reset spring, meshing plates and rolling wheels, the number of the reset springs is two, the two reset springs are respectively mounted at two ends of the mounting groove, the meshing plates are connected to the tail ends of the two reset springs, the number of the rolling wheels is five, the rolling wheels are transversely arranged at the upper end of the downloading disc, and the rotating block is provided with a clamping block clamped with the meshing plates; the outer ring body comprises a closed steel plate and an outer ring opening steel ring, the inner ring body comprises a circular retaining steel plate and an inner ring opening steel ring, and the outer ring opening steel ring is in bolted connection with the inner ring opening steel ring. The utility model can improve the protection efficiency of the opening during pipe jacking construction and is convenient for recycling the protection device after construction on the basis of ensuring the protection strength.
Description
Technical Field
The utility model belongs to the technical field of urban construction, and particularly relates to a hole protecting device for pipe jacking construction.
Background
The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by jacking equipment in a working pit, the pipeline is jacked into the soil according to the designed gradient, and earthwork is transported away. After one section of pipe is pushed into the soil layer, the second section of pipe is pushed into the soil layer continuously, the pipe-jacking construction is a non-excavation construction method, and is a pipeline burying construction technology without excavation or with less excavation, the principle is that by means of the thrust of the main top oil cylinder, the pipeline and the relay, the tool pipe or the development machine is pushed into the receiving pit from the working pit through the soil layer and is lifted, after the pipeline follows the tool pipe or the development machine, is buried between two pits, so the hole opening protection device for pipe jacking construction is an important civil engineering product, in the existing entrance to a cave protection device for pipe-jacking construction, the existing entrance to a cave reinforcement measure is usually carried out by adopting modes of well wall bar planting, reinforcing mesh sheet binding, concrete pouring and the like, so that potential safety hazards such as roadbed collapse and the like caused in the later period due to extrusion of side wall soil into the entrance to the cave due to overlarge side wall soil pressure in the sinking process are prevented; or the wall of a well reinforcing bar entrance to a cave department reinforcing bar cuts through reinforcement cutting machine with the wall of a well reinforcing bar in the wall of a well work progress, carries out plain concrete pouring, treats to sink and carries out the damaged work of concrete well wall after finishing, and efficiency of construction is not high to can't retrieve the reuse to protector.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the utility model is to provide the hole protection device for pipe jacking construction, which can improve the protection efficiency of a hole during pipe jacking construction, is convenient for recycling the protection device after construction by using an assembly mode on the basis of ensuring the protection strength, and saves a large amount of construction cost.
The embodiment of the utility model is realized in such a way that the hole protecting device for pipe jacking construction comprises an inner ring body, an outer ring body and a cutting support, wherein the cutting support comprises a base, a supporting column, a clamp and a rotating block, the supporting column is clamped at the upper end of the base in a threaded manner, the clamp is embedded and fixed at the top end of the supporting column, the rotating block is arranged at the front end of the front side of the clamp, the clamping block is arranged at the rear end of the front side of the clamp, the clamp comprises a downloading disc, a top cover, an installation groove, reset springs, meshing plates and rolling wheels, the top cover is clamped and fixed at the top end of the downloading disc, the installation groove is arranged at the right end inside the downloading disc, the reset springs are provided with two parts and respectively arranged at two ends of the installation groove, the meshing plates are connected to the tail ends of the two reset springs, the rolling wheels are provided with five parts and are transversely arranged at the upper end of the downloading disc, the rotating block is provided with a clamping block clamped with the meshing plate; the outer ring body comprises a sealed steel plate and an outer ring opening steel ring fixedly connected with the sealed steel plate, the inner ring body comprises a circular retaining steel plate and an inner ring opening steel ring welded at the edge of the circular retaining steel plate, and the outer ring opening steel ring is in bolted connection with the inner ring opening steel ring.
Furthermore, the meshing plate comprises a pushing plate, clamping teeth, a groove and clamping blocks, more than ten clamping teeth are arranged on the upper end face of the pushing plate, the clamping teeth are transversely arranged on the upper end face of the pushing plate, the groove is located at the bottom end of the pushing plate, and more than ten clamping blocks are transversely arranged in the groove.
Further, the fixture block comprises a clamping groove, a supporting pad, a transverse groove and a friction block, the clamping groove is located at the front end of the fixture block, the supporting pad is attached to the upper end face of the clamping groove, the transverse groove is formed in the lower end of the clamping groove and communicated with the clamping groove, and the clamping groove is arc-shaped.
Further, the outer ring body further comprises a waist beam, and the waist beam is fixedly connected to the upper end portion and the lower end portion of the closed steel plate.
Furthermore, the outer ring body further comprises a reinforcing rib, and the reinforcing rib is fixedly connected to one surface of the soil-back side of the closed steel plate.
Further, the outer ring body is divided into three sections from top to bottom, and the splicing positions of two adjacent sections are connected through flanges.
Further, the inner circle body is divided into three sections from top to bottom, the splicing positions of two adjacent sections are connected through a flange, and the three sections of the inner circle body are flush with the three sections of the outer circle body.
Compared with the prior art, the embodiment of the utility model has the advantages that: according to the utility model, by arranging the inner ring body and the outer ring body in bolted connection with the inner ring body, the protection efficiency of the hole during pipe jacking construction is improved in an assembling mode, the protecting device is convenient to recycle after construction is finished by using the assembling mode on the basis of ensuring the protection strength, and a large amount of construction cost is saved; the pipeline is placed in the clamp to cut the pipeline, the rotating block is utilized to drive the meshing plate to swing in the cutting process, so that the meshing plate drives the rolling wheel to rotate, the pipeline is driven to rotate by the rolling wheel through friction force between the rolling wheel and the pipeline, the pipeline can be sawn by the saw when the saw is kept on the upper end face of the pipeline, and the situation that the saw cuts into the deep part of the pipeline to cause fracture is avoided.
Drawings
FIG. 1 is a schematic overall structure diagram of an entrance to a cave protection device for pipe jacking construction according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the clamp of FIG. 1;
FIG. 3 is a schematic view of the engagement plate of FIG. 2;
fig. 4 is a structural view of the latch of fig. 3.
In the drawings, each reference numeral denotes:
11. sealing the steel plate; 12. an outer ring opening steel ring; 13. a wale; 14. reinforcing ribs; 21. a circular earth-retaining steel plate; 22. an inner ring opening steel ring; 31. a base; 32. a support pillar; 33. a clamp; 34. rotating the block; 331. a download tray; 332. a top cover; 333. mounting grooves; 334. a return spring; 335. an engaging plate; 336. a rolling wheel; 3351. a push plate; 3352. clamping teeth; 3353. a groove; 3354. a clamping block; 33541. a clamping groove; 33542. a support pad; 33543. traversing the slot.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 to 4, the hole protecting device for pipe jacking construction provided by the embodiment of the present invention includes an inner ring body, an outer ring body and a cutting bracket, the cutting bracket includes a base 31, a supporting pillar 32, a clamp 33 and a rotating block 34, the supporting pillar 32 is fastened to the upper end of the base 31 by a screw thread, the clamp 33 is embedded and fixed to the top end of the supporting pillar 32, the rotating block 34 is disposed at the front end of the front surface of the clamp 33, and the rear end is provided with a fastening block, the clamp 33 includes a downloading tray 331, a top cover 332, an installation groove 333, a return spring 334, an engaging plate 335 and rolling wheels 336, the top cover 332 is fastened to the top end of the downloading tray 331, the installation groove 333 is disposed at the right end inside the downloading tray 331, the return springs 334 are disposed at two ends of the installation groove 333, the engaging plate 335 is connected to the tail ends of the two return springs 334, the rolling wheels 336 are five, the rotating blocks 34 are transversely arranged at the upper end of the downloading tray 331 and provided with clamping blocks which are clamped with the meshing plate 335; the outer ring body comprises a closed steel plate 11 and an outer ring opening steel ring 12 fixedly connected with the closed steel plate 11, the inner ring body comprises a circular retaining steel plate 21 and an inner ring opening steel ring 22 welded at the edge of the circular retaining steel plate 21, and the outer ring opening steel ring 12 is in bolted connection with the inner ring opening steel ring 22.
According to the utility model, by arranging the inner ring body and the outer ring body in bolted connection with the inner ring body, the protection efficiency of the hole during pipe jacking construction is improved in an assembling mode, the protecting device is convenient to recycle after construction is finished by using the assembling mode on the basis of ensuring the protection strength, and a large amount of construction cost is saved; according to the pipeline cutting device, a pipeline is placed in the clamp 33 to be cut, the rotating block 34 is utilized to drive the meshing plate 335 to swing in the cutting process, so that the meshing plate 335 drives the rolling wheel 336 to rotate, the rolling wheel 336 drives the pipeline to rotate through friction force between the rolling wheel 336 and the pipeline, the pipeline can be sawn by keeping the saw on the upper end face of the pipeline, and the situation that the saw cuts into the deep part of the pipeline to cause fracture is avoided.
Preferably, the engaging plate 335 includes a push plate 3351, a latch 3352, a recess 3353 and a block 3354, the push plate 3351 has more than ten latches 3352 on an upper surface thereof, the latches 3352 are transversely arranged on the upper surface of the push plate 3351, the recess 3353 is located at a bottom end of the push plate 3351, and the block 3354 has more than ten latches 3353 and is transversely arranged in the recess 3353. The clamping block 3354 is triangular, so that the clamping block of the rotating block 34 can be clamped with the clamping block 3354, and the engaging plate 335 is driven to swing.
Further, the fixture block 3354 includes an engaging groove 33541, a supporting pad 33542, a crossing groove 33543 and a friction block, the engaging groove 33541 is located at the front end of the fixture block 3354, the supporting pad 33542 is attached to the upper end surface of the engaging groove 33541, the crossing groove 33543 is disposed at the lower end of the engaging groove 33541 and is communicated with the engaging groove 33541, and the engaging groove 33541 is arc-shaped, which is advantageous for the rotation block 34 to be drawn out of the engaging groove 33541 after pushing the fixture block 3354.
In this embodiment, the outer ring body further includes a waist rail 13, and the waist rail 13 is fixedly connected to the upper and lower end portions of the closed steel plate 11. The outer ring body further comprises a reinforcing rib 14, and the reinforcing rib 14 is fixedly connected to one surface of the soil-back side of the closed steel plate 11. In order to further strengthen the packaging efficiency of assembled structure, cut apart the three sections with the outer lane body from last to bottom, the concatenation department of adjacent two sections passes through flange joint, all sets up a waist rail 13 in concatenation department. During construction, the three-section structure of the prefabricated outer ring body is sequentially installed from top to bottom along with the depth of the working well. After the outer ring body is arranged in a segmented mode, the weight of each assembling body is reduced, assembly is facilitated, and the height of each assembling body is reduced, so that the pit wall of the working well can be supported in time under the condition that the soil excavation depth is small, and the soil body is prevented from collapsing. In addition, the inner ring body is divided into three sections from top to bottom, the splicing parts of two adjacent sections are connected through a flange, and the splicing parts of the three sections of the inner ring body are flush with the splicing parts of the three sections of the outer ring body.
In conclusion, the protection efficiency of the hole during pipe jacking construction is improved in an assembling mode by arranging the inner ring body and the outer ring body in bolted connection with the inner ring body, the protection device is convenient to recycle after construction is finished by using the assembling mode on the basis of ensuring the protection strength, and a large amount of construction cost is saved; according to the pipeline cutting device, a pipeline is placed in the clamp 33 to be cut, the rotating block 34 is utilized to drive the meshing plate 335 to swing in the cutting process, so that the meshing plate 335 drives the rolling wheel 336 to rotate, the rolling wheel 336 drives the pipeline to rotate through friction force between the rolling wheel 336 and the pipeline, the pipeline can be sawn by keeping the saw on the upper end face of the pipeline, and the situation that the saw cuts into the deep part of the pipeline to cause fracture is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The hole protection device for pipe jacking construction is characterized by comprising an inner ring body, an outer ring body and a cutting support, wherein the cutting support comprises a base (31), a supporting column (32), a clamp (33) and a rotating block (34), the supporting column (32) is clamped at the upper end of the base (31) in a threaded manner, the clamp (33) is embedded at the top end of the supporting column (32), the rotating block (34) is arranged at the front end of the front face of the clamp (33), the clamp (33) comprises a downloading disc (331), a top cover (332), a mounting groove (333), a reset spring (334), a meshing plate (335) and a rolling wheel (336), the top cover (332) is clamped at the top end of the downloading disc (331), the mounting groove (333) is arranged at the right end inside the downloading disc (331), the reset spring (334) is provided with two parts and is respectively mounted at two ends of the mounting groove (333), the engaging plate (335) is connected to the tail ends of the two return springs (334), five rolling wheels (336) are arranged and transversely arranged at the upper end of the downloading disc (331), and a clamping block clamped with the engaging plate (335) is arranged on the rotating block (34); the outer lane body including seal steel sheet (11) and with seal steel sheet (11) fixed connection's outer lane entrance to a cave steel ring (12), the inner circle body includes circular fender soil steel sheet (21) and welding inner circle entrance to a cave steel ring (22) at circular fender soil steel sheet (21) border, outer lane entrance to a cave steel ring (12) and inner circle entrance to a cave steel ring (22) bolted connection.
2. The entrance guard for pipe jacking according to claim 1, wherein the engaging plate (335) includes a push plate (3351), a latch (3352), a recess (3353), and a block (3354), the push plate (3351) has an upper end surface provided with ten or more latches (3352), the latches (3352) are transversely arranged on the upper end surface of the push plate (3351), the recess (3353) is located at a lower end of the push plate (3351), and the block (3354) has ten or more latches and is transversely arranged in the recess (3353).
3. The entrance guard for pipe jacking according to claim 2, wherein the engaging block (3354) comprises an engaging groove (33541), a supporting pad (33542) and a traverse groove (33543), the engaging groove (33541) is located at the front end of the engaging block (3354), the supporting pad (33542) is attached to the upper end surface of the engaging groove (33541), the traverse groove (33543) is disposed at the lower end of the engaging groove (33541) and communicates with the engaging groove (33541), and the engaging groove (33541) is arc-shaped.
4. The entrance to the cave protection device for pipe jacking construction of claim 1, wherein the outer ring body further comprises a wale (13), and the wale (13) is fixedly connected to the upper and lower ends of the closed steel plate (11).
5. The cave entrance guard for pipe jacking construction according to claim 4, wherein the outer ring body further comprises a reinforcing rib (14), and the reinforcing rib (14) is fixedly connected to the side of the closed steel plate (11) opposite to the soil.
6. The opening protection device for pipe jacking construction as claimed in claim 1, wherein the outer ring body is divided into three sections from top to bottom, and the splicing parts of two adjacent sections are connected by flanges.
7. The opening protection device for pipe jacking construction according to claim 6, wherein the inner ring body is divided into three sections from top to bottom, the joints of two adjacent sections are connected by flanges, and the joints of the three sections of the inner ring body are flush with the joints of the three sections of the outer ring body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120954429.XU CN215486075U (en) | 2021-05-07 | 2021-05-07 | A entrance to a cave protector for push pipe construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120954429.XU CN215486075U (en) | 2021-05-07 | 2021-05-07 | A entrance to a cave protector for push pipe construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486075U true CN215486075U (en) | 2022-01-11 |
Family
ID=79777056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120954429.XU Expired - Fee Related CN215486075U (en) | 2021-05-07 | 2021-05-07 | A entrance to a cave protector for push pipe construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486075U (en) |
-
2021
- 2021-05-07 CN CN202120954429.XU patent/CN215486075U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |