CN112921984A - Foundation pit supporting device for railway engineering - Google Patents
Foundation pit supporting device for railway engineering Download PDFInfo
- Publication number
- CN112921984A CN112921984A CN202110141167.XA CN202110141167A CN112921984A CN 112921984 A CN112921984 A CN 112921984A CN 202110141167 A CN202110141167 A CN 202110141167A CN 112921984 A CN112921984 A CN 112921984A
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- sheath
- supporting
- supporting sheath
- fixedly connected
- foundation pit
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- 238000002955 isolation Methods 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a foundation pit supporting device for railway engineering, which relates to the field of railway construction and comprises a base, wherein the top end of the base is connected with a lower supporting sheath, the top of the lower supporting sheath is connected with a middle supporting sheath, the middle supporting sheath is sleeved with a plurality of sequentially connected supporting sheaths, the top of the middle supporting sheath positioned at the top is connected with an upper supporting sheath, four sides of the top of the upper supporting sheath are provided with top placing grooves, a lifting moving mechanism is arranged in the base, and a partition device is arranged in an isolation sleeve. The device has strong flexibility and is convenient to use.
Description
Technical Field
The invention relates to the field of railway construction, in particular to a foundation pit supporting device for railway engineering.
Background
In railway engineering, a foundation pit is often used, and the foundation pit inevitably causes deformation of surrounding soil bodies in the excavation process, so that surrounding buildings and underground pipelines are affected. The normal use or safety of the foundation pit is seriously threatened, and in order to avoid the condition, a supporting system is added in the deep foundation design and pit construction to stabilize the safety of the foundation pit.
Along with the continuous development of building trade, different types of excavation supporting devices have appeared in the market, and the excavation is strutted to the mode of strutting that often adopts campshed, campshed with the stock or through cast in situ reinforced concrete supporting construction at present, and this kind of mode has following problem in the use: the existing foundation pit supporting device generally adopts the modes of screws or welding and the like to fix all the supporting rods, so that the installation is complicated, the construction period is long, and the fixing effect is poor. When the project is finished, all parts cannot be recycled, and the parts cannot be reused, so that resource waste is caused.
Therefore, in chinese utility model patent document with publication number CN211113660U, a foundation pit supporting device for railway engineering is disclosed, the device is through installing the stand, the crossbeam, the right dead lever, the left dead lever, first locating piece and second locating piece use of mutually supporting, replace traditional screw and welded fastening with similar tenon fourth of the twelve earthly branches structure fixed method, through the tip installation carrying handle at first locating piece, be convenient for dismantle the installation to whole device, can recycle, but also have certain defect, because it is great to strut pressure of receiving, the device is higher to the kind and the characteristic restriction of supporting material, and with high costs, and receive external environment factor's influence easily and cause supporting structure's not hard up, consequently, have many weak points, treat near-step improvement.
Disclosure of Invention
The invention provides a foundation pit supporting device for railway engineering, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a foundation ditch supporting device for railway engineering, which comprises a base, the top of base is connected with down the sheath, the sheath is propped in the middle of the top connection of sheath down, the middle sheath of strutting is equipped with a plurality ofly and connects gradually, the top that is located the middle sheath of the top is connected with the upper sheath, the top standing groove has all been seted up to four sides in the top of upper sheath, the collateral branch pillar has been placed on the top standing groove, be equipped with lift moving mechanism in the base, go up between sheath and the middle sheath of propping up, between middle sheath and the middle sheath of propping up, it all is equipped with the spacer sleeve to go up between sheath and the lower sheath, be equipped with cut-off device in the spacer sleeve, go up the outside between sheath and the middle sheath of propping up, the outside between sheath and the lower sheath.
As a preferred technical solution of the present invention, the quick connection device includes a first upper plug bush fixedly disposed at the lower portion of the outer side of the upper branch sheath and the middle branch sheath, and a first lower plug bush fixedly disposed at the upper portion of the outer side of the middle branch sheath and the lower branch sheath, a first plug rod is inserted into the first upper plug bush and the corresponding first lower plug bush, and the top end of the first plug rod is fixedly connected to the first top cap.
As a preferred technical scheme of the present invention, the top end of the base is fixedly connected with a plurality of second lower plug bushes, the lower side of the exterior of the lower protective sleeve is fixedly connected with second upper plug bushes corresponding to the second lower plug bushes, a second plug rod is inserted between the second upper plug bushes and the second lower plug bushes, and the top end of the second plug rod is fixedly connected with a second top cap.
As a preferred technical scheme, the partition device comprises a closed groove transversely formed in the isolation sleeve, the closed groove penetrates through one side of the isolation sleeve, an isolation inserting plate is connected in the closed groove in a sliding mode, one side, located outside the closed groove, of the isolation inserting plate is fixedly connected with the handle, and a plurality of communication holes are formed in the isolation sleeve in a vertically penetrating mode, and the closed groove is communicated with the communication holes.
As a preferable technical scheme of the invention, three sides of the isolation sleeve are vertically penetrated and provided with side discharge grooves which are communicated with the closed groove, the top end and the bottom end of the isolation sleeve are fixedly connected with square insertion plates, and the bottom end of the upper supporting sheath, the top end and the bottom end of the middle supporting sheath and the top end of the lower supporting sheath are provided with square insertion grooves corresponding to the square insertion plates.
As a preferable technical scheme, the lifting moving mechanism comprises an inner cavity arranged in the base, an installation frame is arranged at the bottom end in the inner cavity, the bottom end of the installation frame is rotatably connected with a plurality of moving wheels, a lifting block is fixedly connected to the center of the top end of the installation frame, the top end of the lifting block is rotatably connected with a connecting rod, one end, far away from the lifting block, of the connecting rod is rotatably connected with a rotating head, the rotating head is rotatably connected with a screw rod, the screw rod penetrates through the base and is fixedly connected with a rotating handle, and the screw rod is in.
As a preferable technical scheme of the invention, the center of the top of the upper supporting sleeve is fixedly connected with a middle seat, the center of the middle seat is provided with an injection port, and the tops of the side supporting columns are fixedly connected with a plurality of bearing blocks.
The invention has the following advantages: the device can be assembled, molded and supported by arranging the base, the lower support sleeve, the middle support sleeve, the upper support sleeve and the isolation sleeve, can be stably supported by pouring cement, can realize quick separation in the isolation sleeve after the cement is poured by arranging the partition device, is convenient for later-stage disassembly, transportation, recovery and application, can be stably placed or conveniently moved by arranging the lifting moving mechanism, and has stronger flexibility and convenient use.
Drawings
Fig. 1 is a schematic structural view of a foundation pit supporting device for railway engineering.
Fig. 2 is a schematic structural view of a partition device in the foundation pit supporting device for railway engineering.
Fig. 3 is a plan view of an upper support sheath in the foundation pit supporting apparatus for railway work.
Fig. 4 is a schematic structural view of a lifting and moving mechanism in the foundation pit supporting device for railway engineering.
In the figure: 1. a base; 2. a lower protective sleeve; 3. a middle branch sheath; 4. an upper supporting sheath; 5. an isolation sleeve; 6. a partition device; 7. a first lower insert sleeve; 8. a first upper insert sleeve; 9. a first top cap; 10. a first plunger; 11. a second lower plug bush; 12. a second upper plug bush; 13. a second plunger; 14. a second top cap; 15. a top placement groove; 16. side support columns; 17. a pressure-bearing block; 18. a square plugboard; 19. closing the groove; 20. a communicating hole; 21. a discharge-side groove; 22. isolating the plugboard; 23. a handle; 24. a middle seat; 25. an injection port; 26. rotating the handle; 27. a screw; 28. rotating the head; 29. a connecting rod; 30. a lifting block; 31. a mounting frame; 32. the wheel is moved.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, a foundation pit supporting device for railway engineering comprises a base 1, a lower supporting sheath 2 connected to the top end of the base 1, a middle supporting sheath 3 connected to the top end of the lower supporting sheath 2, a plurality of middle supporting sheaths 3 connected in sequence, an upper supporting sheath 4 connected to the top end of the middle supporting sheath 3 positioned at the top, top placing grooves 15 respectively arranged on four sides of the top end of the upper supporting sheath 4, side supporting columns 16 placed on the top placing grooves 15, a lifting moving mechanism arranged in the base 1, isolation sleeves 5 respectively arranged between the upper supporting sheath 4 and the middle supporting sheath 3, between the middle supporting sheath 3 and the middle supporting sheath 3, and between the upper supporting sheath 4 and the lower supporting sheath 2, and a partition device 6 arranged in the isolation sleeves 5, the quick connecting devices are connected to the outer part between the upper supporting sheath 4 and the middle supporting sheath 3, the outer part between the middle supporting sheath 3 and the outer part between the upper supporting sheath 4 and the lower supporting sheath 2.
The quick connecting device comprises a first upper inserting sleeve 8 fixedly arranged on the lower portion of the outer side of an upper supporting sheath 4 and a middle supporting sheath 3 and a first lower inserting sleeve 7 fixedly arranged on the upper portion of the outer side of the middle supporting sheath 3 and the upper portion of the outer side of a lower supporting sheath 2, a first inserting rod 10 is inserted into the first upper inserting sleeve 8 and the corresponding first lower inserting sleeve 7, and the top end of the first inserting rod 10 is fixedly connected with a first top cap 9.
The top end of the base 1 is fixedly connected with a plurality of second lower plug bushes 11, the lower side of the outer portion of the lower protective sleeve 2 is fixedly connected with a second upper plug bush 12 corresponding to the second lower plug bush 11, a second plug rod 13 is inserted between the second upper plug bush 12 and the second lower plug bush 11, and the top end of the second plug rod 13 is fixedly connected with a second top cap 14.
The partition device 6 comprises a closed groove 19 transversely arranged in the isolation sleeve 5, the closed groove 19 penetrates through one side of the isolation sleeve 5, an isolation inserting plate 22 is connected in the closed groove 19 in a sliding mode, the isolation inserting plate 22 is fixedly connected with a handle 23 on one side outside the closed groove 19, and a plurality of communicating holes 20 are vertically formed in the isolation sleeve 5 in a penetrating mode, wherein the closed groove 19 is communicated with the communicating holes 20.
Three sides on the isolating sleeve 5 vertically penetrate through and are provided with side discharge grooves, the side discharge grooves are communicated with a closed groove 19, the top end and the bottom end of the isolating sleeve 5 are fixedly connected with square insertion plates 18, and square insertion grooves corresponding to the square insertion plates 18 are formed in the bottom end of the upper supporting sheath 4, the top end and the bottom end of the middle supporting sheath 3 and the top end of the lower supporting sheath 2.
The middle seat 24 is fixedly connected to the center of the top of the upper supporting sleeve 4, the injection port 25 is formed in the center of the middle seat 24, and the plurality of bearing blocks 17 are fixedly connected to the tops of the side supporting columns 16.
Example 2
Referring to fig. 1 to 4, the other contents of the present embodiment are the same as embodiment 1, except that: lifting movement mechanism is including setting up the inner chamber in base 1, and the bottom in the inner chamber is equipped with mounting bracket 31, and a plurality of removal wheels 32 are connected in the rotation of the bottom of mounting bracket 31, and mounting bracket 31's top central authorities fixed connection elevator 30, and elevator 30's top is rotated and is connected connecting rod 29, and connecting rod 29 keeps away from elevator 30's one end and rotates and connect and rotate head 28, rotates head 28 and rotates connecting screw 27, and screw 27 passes base 1 and fixed connection twist grip 26, screw 27 and base 1 threaded connection.
In the implementation process of the invention, firstly, the device needs to be assembled, a base 1 is arranged on the ground, then a lower supporting sheath 2, a middle supporting sheath 3 and an upper supporting sheath 4 are sequentially assembled from bottom to top, a separation sleeve 5 is arranged between every two adjacent supporting sheaths, after the assembly is finished, the first inserted rod 10 and the second inserted rod 13 are used for realizing the connection among the upper supporting sheath 4, the middle supporting sheath 3 and the lower supporting sheath 2, so that the supporting sheaths form a whole, then concrete is injected downwards from an injection opening 25 on a middle seat 24 so that the lower supporting sheath 2, the middle supporting sheath 3 and the upper supporting sheath 4 are fully filled with the concrete, then the separation inserted plate 22 is inserted into a closed groove 19 to realize the separation among the lower supporting sheath 2, the middle supporting sheath 3 and the upper supporting sheath 4, when the device needs to move, a rotating handle 26 is rotated so as to drive a screw 27 to advance, the pushing link 29 moves the lifting block 30, the mounting bracket 31 and the moving wheel 32 downward, thereby achieving the movement of the device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A foundation pit supporting device for railway engineering comprises a base (1), wherein the top end of the base (1) is connected with a lower supporting sheath (2), and is characterized in that the top of the lower supporting sheath (2) is connected with a middle supporting sheath (3), the middle supporting sheath (3) is provided with a plurality of supporting sleeves which are connected in sequence, the top of the middle supporting sheath (3) positioned at the top is connected with an upper supporting sheath (4), four sides of the top of the upper supporting sheath (4) are respectively provided with a top placing groove (15), side supporting columns (16) are placed on the top placing grooves (15), a lifting moving mechanism is arranged in the base (1), a partition device (6) is arranged between the upper supporting sheath (4) and the middle supporting sheath (3), a middle supporting sheath (3) and a middle supporting sheath (3), an isolation sleeve (5) is arranged between the upper supporting sheath (4) and the lower supporting sheath (2), and a partition device (, the outer part between the upper supporting sheath (4) and the middle supporting sheath (3), the outer part between the middle supporting sheath (3) and the outer part between the upper supporting sheath (4) and the lower supporting sheath (2) are all connected with a quick connecting device.
2. The foundation pit supporting device for railway engineering, according to claim 1, wherein the quick connection device comprises a first upper plug bush (8) fixedly arranged at the lower part of the outer side of the upper supporting sheath (4) and the middle supporting sheath (3), and a first lower plug bush (7) fixedly arranged at the upper part of the outer side of the middle supporting sheath (3) and the lower supporting sheath (2), a first plug rod (10) is inserted into the first upper plug bush (8) and the corresponding first lower plug bush (7), and the top end of the first plug rod (10) is fixedly connected with the first top cap (9).
3. The foundation pit supporting device for railway engineering according to claim 2, wherein the top end of the base (1) is fixedly connected with a plurality of second lower plug bushes (11), the outer lower side of the lower support jacket (2) is fixedly connected with second upper plug bushes (12) corresponding to the second lower plug bushes (11), second plug rods (13) are inserted between the second upper plug bushes (12) and the second lower plug bushes (11), and the top ends of the second plug rods (13) are fixedly connected with second top caps (14).
4. The foundation pit supporting device for railway engineering, according to claim 1, wherein the partition device (6) comprises a closed groove (19) transversely formed in the isolation sleeve (5), the closed groove (19) penetrates through one side of the isolation sleeve (5), an isolation inserting plate (22) is connected in the closed groove (19) in a sliding mode, the isolation inserting plate (22) is fixedly connected with a handle (23) on one side outside the closed groove (19), and a plurality of communicating holes (20) are vertically formed in the isolation sleeve (5) in a penetrating mode, and the closed groove (19) is communicated with the communicating holes (20).
5. The foundation pit supporting device for railway engineering as claimed in claim 4, wherein three sides of the isolation sleeve (5) vertically penetrate through and are provided with side discharge grooves, the side discharge grooves are communicated with the closed groove (19), the top end and the bottom end of the isolation sleeve (5) are fixedly connected with a square insertion plate (18), the bottom end of the upper supporting sheath (4), the top end and the bottom end of the middle supporting sheath (3), and the top end of the lower supporting sheath (2) are provided with square insertion grooves corresponding to the square insertion plate (18).
6. The foundation pit supporting device for railway engineering according to claim 1, wherein the lifting moving mechanism comprises an inner cavity arranged in the base (1), a mounting frame (31) is arranged at the bottom end in the inner cavity, the bottom end of the mounting frame (31) is rotatably connected with a plurality of moving wheels (32), a lifting block (30) is fixedly connected to the center of the top end of the mounting frame (31), a connecting rod (29) is rotatably connected to the top end of the lifting block (30), one end, far away from the lifting block (30), of the connecting rod (29) is rotatably connected with a rotating head (28), the rotating head (28) is rotatably connected with a screw rod (27), the screw rod (27) penetrates through the base (1) and is fixedly connected with a rotating handle (26), and the screw rod (27) is in threaded connection with.
7. The foundation pit supporting device for railway engineering according to claim 1, wherein the top center of the upper supporting sheath (4) is fixedly connected with a middle seat (24), an injection port (25) is formed in the center of the middle seat (24), and a plurality of bearing blocks (17) are fixedly connected to the tops of the side supporting columns (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110141167.XA CN112921984B (en) | 2021-02-02 | 2021-02-02 | Foundation pit supporting device for railway engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110141167.XA CN112921984B (en) | 2021-02-02 | 2021-02-02 | Foundation pit supporting device for railway engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112921984A true CN112921984A (en) | 2021-06-08 |
| CN112921984B CN112921984B (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110141167.XA Expired - Fee Related CN112921984B (en) | 2021-02-02 | 2021-02-02 | Foundation pit supporting device for railway engineering |
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| Country | Link |
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| CN (1) | CN112921984B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233474A (en) * | 2013-05-08 | 2013-08-07 | 周正海 | Column structure and foundation pit supporting system comprising same |
| CN104358262A (en) * | 2014-09-29 | 2015-02-18 | 中国建筑第八工程局有限公司 | Detachable tool type deep foundation pit inner support guide pillar and construction method |
| CN105133787A (en) * | 2015-09-29 | 2015-12-09 | 天津二建建筑工程有限公司 | Latticed column for supporting post-pouring belt |
| KR20170116887A (en) * | 2016-04-12 | 2017-10-20 | 한국교통대학교산학협력단 | Structure for underground vertical extension in the building |
| CN208733643U (en) * | 2018-07-20 | 2019-04-12 | 上海市建设工程监理咨询有限公司 | A kind of support construction of foundation pit |
| CN210507468U (en) * | 2019-08-28 | 2020-05-12 | 武汉乾威钢结构有限公司 | Lattice column convenient to equipment |
-
2021
- 2021-02-02 CN CN202110141167.XA patent/CN112921984B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233474A (en) * | 2013-05-08 | 2013-08-07 | 周正海 | Column structure and foundation pit supporting system comprising same |
| CN104358262A (en) * | 2014-09-29 | 2015-02-18 | 中国建筑第八工程局有限公司 | Detachable tool type deep foundation pit inner support guide pillar and construction method |
| CN105133787A (en) * | 2015-09-29 | 2015-12-09 | 天津二建建筑工程有限公司 | Latticed column for supporting post-pouring belt |
| KR20170116887A (en) * | 2016-04-12 | 2017-10-20 | 한국교통대학교산학협력단 | Structure for underground vertical extension in the building |
| CN208733643U (en) * | 2018-07-20 | 2019-04-12 | 上海市建设工程监理咨询有限公司 | A kind of support construction of foundation pit |
| CN210507468U (en) * | 2019-08-28 | 2020-05-12 | 武汉乾威钢结构有限公司 | Lattice column convenient to equipment |
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| Publication number | Publication date |
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| CN112921984B (en) | 2022-03-01 |
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