CN210797578U - Foundation pit support structure - Google Patents
Foundation pit support structure Download PDFInfo
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- CN210797578U CN210797578U CN201921387264.1U CN201921387264U CN210797578U CN 210797578 U CN210797578 U CN 210797578U CN 201921387264 U CN201921387264 U CN 201921387264U CN 210797578 U CN210797578 U CN 210797578U
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- supporting
- steel sheet
- bottom plate
- stud
- foundation pit
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Abstract
The utility model relates to a foundation pit support structure, which comprises steel sheet piles spliced with each other, wherein a supporting device is arranged between the steel sheet piles at two sides, the supporting device comprises a top horizontal support device and a bottom diagonal support device, the horizontal support device comprises supporting plates at two sides and supporting pipes connected with the supporting plates, a bidirectional screw rod is connected between the supporting pipes, a supporting plate is arranged between the supporting rod and the steel sheet pile, and a groove matched with the steel sheet pile is arranged on the supporting plate; the two-way screw threads on the two-way screw are respectively in threaded fit with the two support pipes, a connecting sleeve is fixed on the stud, and a rotating handle is arranged on the connecting sleeve; the inclined strut device comprises a bottom plate fixed on the ground and an inclined rod obliquely arranged on the bottom plate, a sliding block hinged with the bottom of the inclined rod is slidably arranged on the bottom plate, and an inclined strut plate is hinged to the top of the inclined rod. The bottom plate is provided with a positioning piece for fixing the position of the sliding block. The utility model discloses have and effectively support and be convenient for install the effect of dismantling the steel sheet pile structure of foundation ditch.
Description
Technical Field
The utility model belongs to the technical field of the technique of foundation ditch construction and specifically relates to a foundation ditch retaining structure is related to.
Background
At present, in the excavation process of a foundation pit, the interference to an adjacent building is reduced, and the condition of reducing the landslide of the peripheral wall of the foundation pit can be realized. The existing foundation pit support structure is usually that larsen steel sheet piles are driven into the periphery of a foundation pit and then the foundation pit is excavated.
The prior art is disclosed in Chinese patent with publication number CN103806449B, which discloses a foundation pit supporting structure, comprising a jet grouting pile and a double-row pile structure inserted in the jet grouting pile; the rotary spraying piles are high-strength cement soil pile bodies formed on soil bodies around the foundation pit, and a plurality of rotary spraying piles are mutually overlapped to form a reinforcing area; the double-row pile structure comprises a first row of cast-in-place piles, a second row of cast-in-place piles and a connecting beam for connecting the tops of the first row of cast-in-place piles and the second row of cast-in-place piles, and the connecting beam is of a reinforced concrete structure.
The above prior art solutions have the following drawbacks: above-mentioned foundation ditch supporting construction need pour the concrete, need demolish after the construction finishes, has increased the time of construction to be not convenient for the construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foundation pit retaining structure has the steel sheet pile structure to the foundation pit and effectively supports and be convenient for install the effect of dismantling.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a foundation pit support structure comprises steel sheet piles which are spliced with each other, wherein the steel sheet piles are arranged to be Larsen plates, supporting devices are arranged between the steel sheet piles on two sides, each supporting device comprises a flat supporting device on the top and an inclined supporting device on the bottom, each flat supporting device comprises supporting plates on two sides and supporting pipes connected with the supporting plates, two-way screw rods are connected between the supporting pipes, supporting plates are arranged between the supporting rods and the steel sheet piles, and grooves matched with the steel sheet piles are formed in the supporting plates; the bidirectional screw threads on the bidirectional screw are respectively in threaded fit with the two supporting pipes, a connecting sleeve is fixed on the bidirectional screw, and a rotating handle is arranged on the connecting sleeve; the inclined strut device comprises a bottom plate fixed on the ground and an inclined rod obliquely arranged on the bottom plate, a sliding block hinged with the bottom of the inclined rod is arranged on the bottom plate in a sliding mode, an inclined supporting plate is hinged to the top of the inclined rod, a limiting block located above the inclined supporting plate is arranged on the steel sheet pile, and a positioning piece for fixing the position of the sliding block is arranged on the bottom plate.
By adopting the technical scheme, the structure of the Larsen plates which are mutually arranged is used as a steel sheet pile for maintaining the foundation pit, and the structure using the supporting device is used for supporting, so that the stability of the enclosure structure is improved; the horizontal supporting device is arranged between the steel sheet piles on the two sides, so that the supporting and protecting plate is matched with the steel sheet piles, the connecting sleeve and the bidirectional screw rod can be driven to rotate by rotating the rotating handle, the bidirectional screw rod drives the supporting and protecting pipe to move towards the two sides, and the steel sheet piles are supported; when the support pipe needs to be disassembled, the support pipe is rotated reversely so as to be convenient for taking down the structure of the support pipe; after the bottom plate structure at the bottom is installed, the inclined strut plate is supported by using the structure of the inclined rod, and the bottom of the steel sheet pile is supported; the supporting structure can effectively support the steel sheet piles, and the supporting device is convenient to disassemble after the work is completed, so that the steel sheet piles can be repeatedly used.
The utility model discloses further set up to: the bottom plate is provided with a horizontal sliding groove, the sliding block horizontally slides along the sliding groove, the positioning piece comprises a stud installed on the bottom plate, the stud is in threaded fit with the bottom plate, one end of the stud extends into the sliding groove and is rotatably connected with the sliding block, and one end, far away from the sliding block, of the stud is connected with a hand wheel.
Through adopting above-mentioned technical scheme, the structure that has used the double-screw bolt is as the setting element, and the structure through rotating hand wheel acts on the slider for the slider appears sliding, and the slider acts on making the down tube appear sliding and slope on the down tube, and the down tube acts on the fagging to one side, compresses tightly the steel sheet pile through the structure of fagging to one side, has played the effect of supporting.
The utility model discloses further set up to: the top of the inclined supporting plate is provided with a rubber pad, and two sides of the rubber pad are respectively abutted against the limiting blocks and the inclined supporting plate.
Through adopting above-mentioned technical scheme, increased the structure of rubber pad, the structure through rubber pad and limiting plate is spacing to the fagging, and deformation and buffering take place for the rubber pad, is difficult for appearing the damage that oblique stay block and stopper excessively extrude and cause when carrying out screwing of double-screw bolt.
The utility model discloses further set up to: the hand wheel and the stud are detachably connected, clamping blocks are formed on two sides of the end portion of the stud, a sleeve is formed on the hand wheel, a clamping groove matched with the clamping blocks is formed in the sleeve, an arc-shaped magnet is arranged in the sleeve, and the end portion of the stud is made of iron.
By adopting the technical scheme, the structure of the clamping groove on the sleeve is matched with the structure of the clamping block on the stud, so that the stud can be driven to rotate by rotating the hand wheel when the sleeve is matched with the stud; the structure that has used magnet cooperates with the double-screw bolt, has realized being connected between double-screw bolt and the hand wheel, and it is comparatively convenient to dismantle to increase the dynamics can be with hand wheel and double-screw bolt separation.
The utility model discloses further set up to: the acute included angle between the diagonal rod and the diagonal bracing plate is not less than 60 degrees.
Through adopting above-mentioned technical scheme, the angle between down tube and the diagonal brace in the restriction, when the rotation effect that carries out the double-screw bolt is on the slider, the slider passes through the down tube and acts on the fagging to one side, and the fagging horizontal component force of acting on the steel sheet pile is great, is convenient for support the structure of steel sheet pile.
The utility model discloses further set up to: the shaping has the joint piece on the connecting sleeve, rotates the handle and includes the mutual articulated arc in two places, and the arc inboard carries out the butt with the adapter sleeve, and the shaping has on the arc with joint piece complex joint groove, and the articulated one end of department is kept away from to the arc in two places carries out threaded connection through the bolt, and one side shaping that the arc was kept away from each other has the dwang.
Through adopting above-mentioned technical scheme, the structure that has used the arc to mutually support has formed the structure that rotates the handle, rotates the structure of the joint groove on the handle and joint piece and cooperates, and the tip of arc splices and cooperates through bolt and nut, can drive the structure of adapter sleeve when rotating the rotation of handle and rotate, takes off bolt and nut, is convenient for rotate the dismantlement of handle.
The utility model discloses further set up to: the bottom of the bottom plate is provided with a plurality of vertical inserting piles, and annular grooves are annularly formed in the inserting piles.
Through adopting above-mentioned technical scheme, increased the structure of inserting the stake, will insert the stake when using and squeeze into the soil, be convenient for carry out the fixed of bottom plate structure, increased the structure of ring channel, increased the connection face between inserting stake and the earth, promoted the installation stability of bottom plate structure.
To sum up, the utility model discloses a beneficial technological effect does:
1. the top horizontal support structure and the bottom inclined support structure are used, the Larsen plates are mutually spliced when the foundation pit is supported, the horizontal support device is placed between the steel sheet piles on the two sides, so that the support protection plate and the steel sheet piles are matched, the connecting sleeve and the bidirectional screw rod can be driven to rotate by rotating the rotating handle, the bidirectional screw rod drives the support pipe to move towards the two sides, and the steel sheet piles are supported; when the support pipe needs to be disassembled, the support pipe is rotated reversely so as to be convenient for taking down the structure of the support pipe; after the bottom plate structure at the bottom is installed, the inclined strut plate is supported by using the structure of the inclined rod, and the bottom of the steel sheet pile is supported;
2. the structure of the stud and the slide block are matched, so that the slide and the positioning of the slide block are realized, the bottom of the support plate is conveniently supported through the structure of the slide block, the stud is unscrewed when the support plate is disassembled, and the bottom plate is taken out of soil;
3. the rotating handle on the connecting sleeve is formed by the arc-shaped plate matched structure, so that the rotating handle can be conveniently spliced and disassembled, and the rotating handle can be conveniently taken down after the installation is finished.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic structural view of a steel sheet pile of the present invention;
fig. 3 is a schematic structural view of the connecting sleeve of the present invention;
FIG. 4 is a schematic view of the structure of the diagonal brace of the present invention;
fig. 5 is a schematic view of the connection between the stud and the handwheel.
Reference numerals: 1. steel sheet piles; 11. a limiting block; 2. a support tube; 21. supporting the guard plate; 3. a bidirectional screw; 4. connecting sleeves; 41. a clamping block; 5. rotating the handle; 51. an arc-shaped plate; 52. a clamping groove; 53. rotating the rod; 6. a base plate; 61. a chute; 62. inserting a pile; 63. an annular groove; 7. a diagonal bar; 71. a diagonal bracing plate; 72. a slider; 8. a stud; 81. a hand wheel; 82. a sleeve; 83. a clamping block; 84. a card slot; 85. and a magnet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1, do the utility model discloses a foundation pit retaining structure, including the steel sheet pile 1 structure of mutual concatenation, the larsen board that 1 use of steel sheet pile is convenient for carry out the concatenation forms the retaining structure of foundation pit inner wall after splicing each other. And a supporting device is arranged between the steel sheet piles 1 on the two sides, and comprises a positioning flat supporting device and a bottom inclined supporting device.
Referring to fig. 1 and 2, the flat bracing device comprises support guard plates 21 on two sides and support pipes 2 connected with the support guard plates 21, two-way screws 3 are connected between the support pipes 2, the support guard plates 21 are arranged between the support rods and the steel sheet piles 1, the end parts of the support guard plates 21 and the support pipes 2 are fixedly connected, and grooves matched with the steel sheet piles 1 are formed in the support guard plates 21. The two-way screw thread on the screw rod is respectively in thread fit with the two supporting tubes 2, a connecting sleeve 4 is fixed on the two-way screw rod 3, and a rotating handle 5 is arranged on the connecting sleeve 4. A backplate 21 carries out the joint through the structure and the steel sheet pile 1 of recess, has played spacing effect to strutting pipe 2 and a backplate 21 when adapter sleeve 4 rotates, can drive when adapter sleeve 4 and two-way screw rod 3 rotate and prop a backplate 2 and 21 and extrude to both sides, has played the supporting effect to both sides steel sheet pile 1. When the support device is disassembled, the connecting sleeve 4 is rotated reversely, so that the support tube 2 moves towards the middle, and the disassembly of the flat bracing device is facilitated.
Referring to fig. 3, the inclined strut device includes a bottom plate 6 fixed on the ground and an inclined rod 7 obliquely arranged on the bottom plate 6, a sliding block 72 hinged to the bottom of the inclined rod 7 is slidably mounted on the bottom plate 6, an inclined strut plate 71 is hinged to the top of the inclined rod 7, a limiting block 11 located above the inclined strut plate 71 is formed on the steel sheet pile 1, and a positioning piece for fixing the position of the sliding block 72 is mounted on the bottom plate 6. The upper end surface of the bottom plate 6 is provided with a horizontal sliding groove 61, and the sliding block 72 is slidably arranged in the sliding groove 61 and slides horizontally along the sliding groove 61. The positioning piece comprises a stud 8 installed on the bottom plate 6, the stud 8 and the bottom plate 6 are in threaded fit and extend into the sliding groove 61, and the length direction of the stud 8 is arranged along the length direction of the sliding groove 61. The end of the stud 8 is formed with a rotating sheet, the sliding block 72 is formed with a rotating groove matched with the rotating sheet, and the stud 8 is rotatably connected with the sliding block 72 through the rotating sheet and the rotating groove. The end of the stud 8 far away from the sliding block 72 is detachably connected with a handwheel 81. Bottom plate 6 bottom shaping has a plurality of pegs 62 that insert, inserts and is the annular on the peg 62 and seted up a plurality of ring channels 63 for increase and the face of being connected of bottom earth, the installation of bottom plate 6 is more stable.
Referring to fig. 3, a rubber pad is fixed to the top of the inclined supporting plate 71, two sides of the rubber pad in the vertical direction are respectively abutted to the inclined supporting plate 71 and the limiting block 11, an acute included angle between the inclined rod 7 and the inclined supporting plate 71 is not smaller than 60 degrees, and when the sliding block 72 moves, the inclined supporting plate 71 can have more horizontal component force acting on the inclined supporting plate 71 to support the steel sheet pile 1.
Referring to fig. 4, in order to facilitate the installation and the dismantlement of rotating handle 5, the shaping has joint piece 41 on the adapter sleeve 4, it includes two mutual articulated arcs 51 to rotate handle 5, the arc 51 inboard carries out the butt with adapter sleeve 4, the shaping has and joints piece 41 complex joint groove 52 on the arc 51, two one ends that articulated department was kept away from to arc 51 carry out threaded connection through bolt and nut, one side shaping that arc 51 kept away from each other has dwang 53. The connecting sleeve 4 can be driven to rotate by rotating the rotating rod 53. The removal of the turning handle 5 can be performed after loosening the bolt and nut arrangement.
Referring to fig. 5, a hand wheel 81 is detachably connected with a stud 8, a fixture block 83 is formed on two sides of the end portion of the stud 8, a sleeve 82 is formed on the hand wheel 81, a clamping groove 84 matched with the fixture block 83 is formed in the sleeve 82, an arc-shaped magnet 85 is fixed in the sleeve 82, and the end portion of the stud 8 is made of iron. The structure of draw-in groove 84 and fixture block 83 cooperates, just drives the threaded rod through rotating hand wheel 81 and rotates, has increased the structure of magnet 85 and the tip of screw rod and has cooperated, has realized being connected between screw rod and the hand wheel 81.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a foundation pit retaining structure, includes steel sheet pile (1) of mutual concatenation, its characterized in that: the steel sheet piles (1) are arranged to be Larsen plates, supporting devices are arranged between the steel sheet piles (1) on two sides and comprise supporting plates (21) on the two sides and supporting pipes (2) connected with the supporting plates (21), two-way screw rods (3) are connected between the supporting pipes (2), the supporting plates (21) are arranged between the supporting rods and the steel sheet piles (1), and grooves matched with the steel sheet piles (1) are formed in the supporting plates (21); the bidirectional screw threads on the bidirectional screw rod (3) are respectively in threaded fit with the two supporting pipes (2), a connecting sleeve (4) is fixed on the bidirectional screw rod (3), and a rotating handle (5) is arranged on the connecting sleeve (4); the inclined strut device comprises a bottom plate (6) fixed on the ground and an inclined rod (7) obliquely arranged on the bottom plate (6), a sliding block (72) hinged to the bottom of the inclined rod (7) is slidably mounted on the bottom plate (6), an inclined supporting plate (71) is hinged to the top of the inclined rod (7), a limiting block (11) located above the inclined supporting plate (71) is arranged on the steel sheet pile (1), and a positioning piece for fixing the position of the sliding block (72) is arranged on the bottom plate (6).
2. A foundation pit enclosure according to claim 1 wherein: set up horizontally spout (61) on bottom plate (6), slider (72) along spout (61) horizontal slip, the setting element is including installing stud (8) on bottom plate (6), and screw-thread fit is carried out in stud (8) and bottom plate (6), and stud (8) one end extends to in spout (61) and rotates with slider (72) and be connected, and the one end that slider (72) were kept away from in stud (8) is connected with hand wheel (81).
3. A foundation pit enclosure according to claim 2 wherein: the top of the inclined supporting plate (71) is provided with a rubber pad, and two sides of the rubber pad are respectively abutted against the limiting block (11) and the inclined supporting plate (71).
4. A foundation pit enclosure according to claim 2 wherein: the hand wheel (81) is detachably connected with the stud (8), clamping blocks (83) are formed on two sides of the end portion of the stud (8), a sleeve (82) is formed on the hand wheel (81), a clamping groove (84) matched with the clamping blocks (83) is formed in the sleeve (82), an arc-shaped magnet (85) is arranged in the sleeve (82), and the end portion of the stud (8) is made of iron.
5. A foundation pit enclosure according to claim 2 wherein: the acute included angle between the diagonal rod (7) and the diagonal bracing plate (71) is not less than 60 degrees.
6. A foundation pit enclosure according to claim 1 wherein: the shaping has joint piece (41) on adapter sleeve (4), rotate handle (5) and include two mutual articulated arcs (51), arc (51) inboard and adapter sleeve (4) carry out the butt, the shaping has and joint piece (41) complex joint groove (52) on arc (51), the one end of articulated department is kept away from in two arcs (51) carries out threaded connection through the bolt, one side shaping that arc (51) kept away from each other has dwang (53).
7. A foundation pit enclosure according to claim 1 wherein: a plurality of vertical inserting piles (62) are arranged at the bottom of the bottom plate (6), and annular grooves (63) are annularly arranged on the inserting piles (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387264.1U CN210797578U (en) | 2019-08-24 | 2019-08-24 | Foundation pit support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387264.1U CN210797578U (en) | 2019-08-24 | 2019-08-24 | Foundation pit support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210797578U true CN210797578U (en) | 2020-06-19 |
Family
ID=71229594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921387264.1U Expired - Fee Related CN210797578U (en) | 2019-08-24 | 2019-08-24 | Foundation pit support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210797578U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081115A (en) * | 2020-09-11 | 2020-12-15 | 嘉兴博睿创业服务有限公司 | Foundation pit support structure with composite anchor rods and construction method thereof |
| CN112962615A (en) * | 2021-01-25 | 2021-06-15 | 中建五局第三建设有限公司 | Quick bearing diagonal equipment of assembled foundation ditch construction |
| CN116411578A (en) * | 2023-06-09 | 2023-07-11 | 山东三箭建设工程股份有限公司 | Prestressed support steel structure based on large-span foundation pit engineering |
-
2019
- 2019-08-24 CN CN201921387264.1U patent/CN210797578U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081115A (en) * | 2020-09-11 | 2020-12-15 | 嘉兴博睿创业服务有限公司 | Foundation pit support structure with composite anchor rods and construction method thereof |
| CN112962615A (en) * | 2021-01-25 | 2021-06-15 | 中建五局第三建设有限公司 | Quick bearing diagonal equipment of assembled foundation ditch construction |
| CN112962615B (en) * | 2021-01-25 | 2022-07-22 | 中建五局第三建设有限公司 | Assembled foundation pit construction quick diagonal bracing equipment |
| CN116411578A (en) * | 2023-06-09 | 2023-07-11 | 山东三箭建设工程股份有限公司 | Prestressed support steel structure based on large-span foundation pit engineering |
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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 |
Granted publication date: 20200619 Termination date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |