CN220166963U - Steel plate cofferdam structure - Google Patents
Steel plate cofferdam structure Download PDFInfo
- Publication number
- CN220166963U CN220166963U CN202321642295.3U CN202321642295U CN220166963U CN 220166963 U CN220166963 U CN 220166963U CN 202321642295 U CN202321642295 U CN 202321642295U CN 220166963 U CN220166963 U CN 220166963U
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- driving plate
- side wall
- positioning
- groove
- pile body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model relates to a steel plate cofferdam structure, which belongs to the technical field of steel plate cofferdams and comprises a pile body, wherein a through hole is formed in the top of the pile body; a driving plate is vertically connected in the through hole in a sliding manner; the side wall of the pile body is provided with a plurality of perforations; positioning nails are connected in the through holes in a sliding manner along the width direction of the pile body; the side wall of the driving plate, which is close to the positioning nails, is provided with a plurality of positioning grooves; the top wall in the positioning groove and the top surface of the end part of the positioning nail are respectively provided with an inclined plane I which can be mutually abutted. The utility model has the effect of reinforcing cofferdam fixation.
Description
Technical Field
The utility model relates to the technical field of steel plate cofferdams, in particular to a steel plate cofferdam structure.
Background
At present, the cofferdam is mainly used for drainage, foundation pit excavation and water building construction, and has the functions of water seepage prevention and soil seepage prevention.
The cofferdam is a maintenance structure used in hydraulic engineering, has the functions of water seepage prevention and soil seepage prevention, and is convenient for drainage, foundation pit digging, building and the like in the cofferdam
The related art can refer to Chinese patent of patent publication No. CN113585305B, which discloses a steel sheet pile cofferdam, comprising a plurality of pile bodies, wherein movable grooves are formed at the tops of the pile bodies along the length direction, a plurality of connecting holes communicated with the movable grooves are formed on the side wall of the pile body facing the outer side of the cofferdam at intervals along the length direction, and guide plates are spliced and matched on the inner walls of the connecting holes; a plurality of ejection assemblies which are in one-to-one correspondence with the connecting holes are arranged on the inner wall of the movable groove at intervals along the length direction; the ejection assembly comprises an ejection base and ejection blocks, the ejection base is fixedly connected to the inner wall of the movable groove, the ejection blocks are arranged on the ejection base in a sliding manner along the opening direction of the connecting hole, a plurality of ejection blocks are in one-to-one correspondence with the connecting hole, and one end of each ejection block can slide into the corresponding connecting hole; the driving plate is arranged on the inner wall of the movable groove and can drive all the ejection blocks to slide and push the guide slide plate to the outer side of the pile body.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: the cofferdam is fixed in the foundation through the extruded soil, but in the long-term use process of the cofferdam, the morphology of the bottom of the river channel changes due to the impact of water flow in the river channel, and the cofferdam is fixed.
Disclosure of Invention
In order to solve the problem that the cofferdam is not firmly fixed in a pile pit, the utility model provides a steel plate cofferdam structure.
The utility model provides a steel plate cofferdam structure which adopts the following technical scheme:
the steel plate cofferdam structure comprises a pile body, wherein a through hole is formed in the top of the pile body; a driving plate is vertically connected in the through hole in a sliding manner; the side wall of the pile body is provided with a plurality of perforations; positioning nails are slidingly connected in the through holes along the width direction of the pile body; the side wall of the driving plate, which is close to the positioning nails, is provided with a plurality of positioning grooves; the top wall in the positioning groove and the top surface of the end part of the positioning nail are respectively provided with an inclined plane I which can be mutually abutted.
Through adopting above-mentioned technical scheme, after the pile body inserts the ground, stretch out the pile body and stretch into in the ground soil through the locating nail, fix the pile body, reduce the pile body and receive the influence that river stream impacted, improve the fixed effect of pile body.
Optionally, the drive plate is kept away from the lateral wall of locating nail is fixed with the forked tail piece, keep away from in the through-hole the perforated lateral wall seted up can with the forked tail groove that the forked tail piece slides and is connected.
By adopting the technical scheme, the dovetail groove provides a guiding function for the dovetail block, so that the possibility of deviating from the track in the vertical movement process of the driving plate is reduced.
Optionally, a barb is fixed on one side of the driving plate, which is close to the positioning nail, and a hook groove which can be spliced with the barb is formed in the bottom surface of the positioning nail; the hook part of the barb is close to one side of the dovetail block, and the side wall of the hook groove, which is close to the dovetail block, is respectively provided with a second inclined plane which can be mutually abutted.
By adopting the technical scheme, the barb is spliced with the hook groove and is pressed by the second inclined plane to move to the side close to the driving plate; the positioning nails are driven to move into the pile body by the barbs when the cofferdam is dismounted conveniently; after the locating nails move, holes appear in the soil at the periphery of the pile body, so that the cofferdam can be conveniently removed.
Optionally, the locating nail lateral wall is fixed with the guide block, the perforated inside wall offer can with the guide block slide the guide way of connection.
By adopting the technical scheme, the guide groove provides a guide effect for the guide block, so that the possibility of deviating from the track in the process of moving the positioning nails along the width direction of the driving plate is reduced.
Optionally, the lateral wall that the guide block kept away from the constant head tank is fixed with the spring one, spring one is kept away from guide block one end with the guide slot is kept away from the lateral wall fixed connection of drive plate.
Through adopting above-mentioned technical scheme, spring one provides the elasticity to keeping away from drive plate one side for the guide block, is convenient for make the locating nail to be close to drive plate one side reset with the help of spring one.
Optionally, a chute is formed at the top of the side wall of the through hole, and a fixing sheet is slidingly connected in the chute along the width direction of the pile body; one end, far away from the driving plate, of the fixing piece is fixedly provided with a second spring, and one end, far away from the fixing piece, of the second spring is fixedly connected with the inner wall, far away from the driving plate, of the sliding groove; the side wall of the driving plate is provided with a fixing groove which can be spliced with the fixing piece.
Through adopting above-mentioned technical scheme, the stationary blade is pegged graft through with the drive plate lateral wall and is provided fixed action for the drive plate for after the pile body is fixed, prevent that the drive plate from removing.
Optionally, the bottom surface that the stationary blade is close to drive plate one end is seted up can with the chamfer of drive plate top butt.
Through adopting above-mentioned technical scheme, when the drive plate moves down, can prevent that the stationary blade from hindering the removal of drive plate through chamfer drive stationary blade removal.
Optionally, the stationary blade top surface is fixed with the guide blade, the guiding hole has been seted up to the spout roof, the guide blade with the guiding hole slides and is connected.
By adopting the technical scheme, the guide holes provide guide effect for the guide plates, so that the fixing plates are conveniently separated from the driving plates, and the driving plates are moved.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. after the pile body is inserted into the foundation, the positioning nails extend out of the pile body and extend into the soil of the foundation to fix the pile body, so that the influence of river water flow impact on the pile body is reduced, and the fixing effect of the pile body is improved;
2. the barb is inserted into the hook groove and is pressed against the positioning nail by the inclined plane II to move to the side close to the driving plate; the positioning nails are driven to move into the pile body by the barbs when the cofferdam is dismounted conveniently; after the positioning nails move, holes appear in the soil at the periphery of the pile body, so that the cofferdam can be conveniently removed;
3. the fixing piece is inserted into the side wall of the driving plate to provide a fixing effect for the driving plate and is used for preventing the driving plate from moving after the pile body is fixed.
Drawings
Fig. 1 is a schematic structural view of a pile body according to an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of a pile body according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a driving plate according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a driving plate according to an embodiment of the present utility model.
Reference numerals: 1. a pile body; 11. a through hole; 12. perforating; 13. a chute; 14. a fixing piece; 15. a second spring; 16. a fixing groove; 2. a driving plate; 21. dovetail blocks; 22. a second inclined plane; 23. a positioning groove; 24. an inclined plane I; 25. a guide piece; 26. a guide hole; 27. a barb; 28. a hook groove; 3. positioning nails; 31. a guide block; 32. and a first spring.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses a steel plate cofferdam structure. Referring to fig. 1, a steel plate cofferdam structure includes a pile body 1; the top of the pile body 1 is provided with a through hole 11 penetrating through the pile body; a driving plate 2 is vertically and slidably connected in the through hole 11. The side wall of the pile body 1 is vertically and uniformly provided with a plurality of perforations 12. The positioning nails 3 are slidingly connected in the through holes 12 along the width direction of the pile body 1.
When the cofferdam is installed, the fixing effect can be provided for the steel plate cofferdam by inserting the positioning nails 3 into the soil; when the cofferdam is disassembled, soil can be loosened by pulling out the positioning nails 3, so that the cofferdam can be conveniently pulled out.
Referring to fig. 2, 3 and 4, a dovetail block 21 is fixed on the side wall of the driving plate 2 far from the positioning nail 3, and a dovetail groove which can be slidably connected with the dovetail block 21 is formed in the side wall of the through hole 11 far from the through hole 12. A plurality of positioning grooves 23 are vertically and uniformly distributed on the side wall of the driving plate 2, which is close to the positioning nails 3. The top wall in the positioning groove 23 and the top surface of the end part of the positioning nail 3 are respectively provided with an inclined surface I24 which can be mutually abutted. The driving plate 2 is fixed with the barb 27 below the positioning groove 23, and the bottom surface of the positioning nail 3 is provided with a hook groove 28 which can be inserted with the barb 27. The hook part of the barb 27 is close to one side of the dovetail block 21, and the side wall of the hook groove 28 close to the dovetail block 21 is respectively provided with a second inclined surface 22 which can be mutually abutted.
When the driving plate 2 moves downwards, the positioning nails 3 can be pushed to move outside the perforation 12 of the positioning nails 3 through the positioning grooves 23, so that the positioning nails 3 are inserted into the soil when the cofferdam is installed; after the driving plate 2 moves upwards, the positioning nails 3 can be pushed to move towards the inner sides of the through holes 12 by the barbs 27, so that soil on the periphery of the cofferdam can be loosened when the cofferdam is disassembled.
Referring to fig. 2 and 3, guide blocks 31 are respectively fixed at both sides of the positioning pin 3, and guide grooves slidably connected with the guide blocks 31 are respectively formed at both inner side walls of the through hole 12. The side wall of the guide block 31 far away from the positioning groove 23 is fixedly provided with a first spring 32, and one end of the first spring 32 far away from the guide block 31 is fixedly connected with the side wall of the guide groove far away from the driving plate 2.
Referring to fig. 1, a chute 13 is symmetrically formed at the top of the side wall of the through hole 11, and a fixing piece 14 is slidingly connected in the chute 13 along the width direction of the pile body 1. One end of the fixing piece 14, which is far away from the driving plate 2, is fixed with a second spring 15, and one end of the second spring 15, which is far away from the fixing piece 14, is fixedly connected with the inner wall of the chute 13, which is far away from the driving plate 2. The side wall of the driving plate 2 is provided with a fixing groove 16 which can be inserted with the fixing piece 14. The bottom surface of the fixing piece 14, which is close to one end of the driving plate 2, is provided with a chamfer which can be abutted with the top of the driving plate 2.
Referring to fig. 1, a guide plate 25 is fixed on the top surface of the fixing plate 14, a guide hole 26 is formed in the top wall of the chute 13, and the guide plate 25 penetrates through the guide hole 26 and is slidably connected with the guide hole 26.
The implementation principle of the steel plate cofferdam structure provided by the embodiment of the utility model is as follows:
when the cofferdam is installed, the driving plate 2 is pressed downwards, and the fixing groove 16 on the side wall of the driving plate 2 is aligned with the sliding groove 13 in the through hole 11, so that the fixing piece 14 can be inserted into the fixing groove 16 to limit the driving plate 2. During the downward movement of the driving plate 2, the positioning nail 3 is pushed to move to the outer side of the perforation 12 by the first inclined surface 24 in the positioning groove 23. After the positioning nails 3 are inserted into the soil, a fixing effect can be provided for the cofferdam.
When the cofferdam is disassembled, the fixing piece 14 is separated from the fixing groove 16 through the guide piece 25, and the driving plate 2 is moved upwards; because the locating nail 3 is inserted into the soil for too long, the condition that the first spring 32 can not drive the locating nail 3 to reset possibly exists, the locating nail 3 is moved back into the perforation 12 by the barb 27 through the insertion of the barb 27 and the hook groove 28, the outside soil can be loosened when the barb 27 moves by means of the second inclined plane 22, and the cofferdam can be disassembled conveniently.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a steel sheet cofferdam structure, includes pile body (1), its characterized in that: the top of the pile body (1) is provided with a through hole (11); a driving plate (2) is vertically connected in the through hole (11) in a sliding manner; the side wall of the pile body (1) is provided with a plurality of perforations (12); positioning nails (3) are connected in the through holes (12) in a sliding manner along the width direction of the pile body (1); a plurality of positioning grooves (23) are formed in the side wall, close to the positioning nails (3), of the driving plate (2); the inner top wall of the positioning groove (23) and the top surface of the end part of the positioning nail (3) are respectively provided with an inclined surface I (24) which can be mutually abutted.
2. A steel sheet cofferdam structure as set forth in claim 1, wherein: the side wall of the driving plate (2) far away from the locating nail (3) is fixedly provided with a dovetail block (21), and the side wall of the through hole (11) far away from the perforation (12) is provided with a dovetail groove which can be connected with the dovetail block (21) in a sliding way.
3. A steel sheet cofferdam structure as set forth in claim 2, wherein: a barb (27) is fixed on one side, close to the positioning nail (3), of the driving plate (2), and a hook groove (28) which can be spliced with the barb (27) is formed in the bottom surface of the positioning nail (3); the hook part of the barb (27) is close to one side of the dovetail block (21) and the side wall of the hook groove (28) close to the dovetail block (21) is respectively provided with a bevel II (22) which can be mutually abutted.
4. A steel sheet cofferdam structure as set forth in claim 1, wherein: the side wall of the positioning nail (3) is fixedly provided with a guide block (31), and the inner side wall of the through hole (12) is provided with a guide groove which can be connected with the guide block (31) in a sliding manner.
5. The steel sheet cofferdam structure of claim 4, wherein: the side wall of the guide block (31) far away from the positioning groove (23) is fixedly provided with a first spring (32), and one end of the first spring (32) far away from the guide block (31) is fixedly connected with the side wall of the guide groove far away from the driving plate (2).
6. A steel sheet cofferdam structure as set forth in claim 1, wherein: a sliding groove (13) is formed in the top of the side wall of the through hole (11), and a fixing sheet (14) is connected in the sliding groove (13) in a sliding manner along the width direction of the pile body (1); one end, far away from the driving plate (2), of the fixing piece (14) is fixedly provided with a second spring (15), and one end, far away from the fixing piece (14), of the second spring (15) is fixedly connected with the inner wall, far away from the driving plate (2), of the sliding groove (13); the side wall of the driving plate (2) is provided with a fixing groove (16) which can be spliced with the fixing piece (14).
7. The steel sheet cofferdam structure of claim 6, wherein: the bottom surface of the fixing piece (14) close to one end of the driving plate (2) is provided with a chamfer which can be abutted with the top of the driving plate (2).
8. The steel sheet cofferdam structure of claim 6, wherein: the top surface of the fixing piece (14) is fixedly provided with a guide piece (25), the top wall of the sliding groove (13) is provided with a guide hole (26), and the guide piece (25) is connected with the guide hole (26) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642295.3U CN220166963U (en) | 2023-06-25 | 2023-06-25 | Steel plate cofferdam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642295.3U CN220166963U (en) | 2023-06-25 | 2023-06-25 | Steel plate cofferdam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220166963U true CN220166963U (en) | 2023-12-12 |
Family
ID=89059498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321642295.3U Active CN220166963U (en) | 2023-06-25 | 2023-06-25 | Steel plate cofferdam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220166963U (en) |
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2023
- 2023-06-25 CN CN202321642295.3U patent/CN220166963U/en active Active
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