CN220099921U - Prevent rock soil deep basal pit supporting construction of deformation - Google Patents
Prevent rock soil deep basal pit supporting construction of deformation Download PDFInfo
- Publication number
- CN220099921U CN220099921U CN202320888839.8U CN202320888839U CN220099921U CN 220099921 U CN220099921 U CN 220099921U CN 202320888839 U CN202320888839 U CN 202320888839U CN 220099921 U CN220099921 U CN 220099921U
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- Prior art keywords
- connecting rod
- rod
- threaded
- foundation pit
- backplate
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- 239000002689 soil Substances 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000011435 rock Substances 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 210000003128 head Anatomy 0.000 description 10
- 238000009434 installation Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 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
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The utility model relates to a rock-soil deep foundation pit supporting structure capable of preventing deformation, which relates to the technical field of foundation pit construction and comprises a first connecting rod, a second connecting rod, a supporting plate and a pressing plate, wherein the first connecting rod and the second connecting rod are both positioned in the rock soil of a foundation pit, and the first connecting rod is positioned above the second connecting rod; the setting quantity of clamp plates and the setting quantity one-to-one of head rod and second connecting rod, and each piece clamp plate respectively with the lower extreme separable joint of each head rod and each second connecting rod, each piece clamp plate homoenergetic is kept away from a side cooperation of foundation ditch ground with the backplate and is supported tightly to reach the effect of pressing from both sides tight fixed on the soil deep foundation ditch lateral wall with the backplate. The utility model has the effect of reducing the connection requirement of the first connecting rod and the second connecting rod with the support plate, so that the construction efficiency of the support structure can be improved.
Description
Technical Field
The utility model relates to the technical field of foundation pit construction, in particular to a deformation-preventing rock-soil deep foundation pit supporting structure.
Background
The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, and is mainly composed of foundation pit support system design and construction and earthwork excavation, and is a system engineering with strong comprehensiveness, which requires geotechnical engineering and structural engineering technicians to closely cooperate, and the foundation pit support system is a temporary structure.
The related art discloses a prevent soil and rock deep basal pit supporting construction of deformation like chinese patent of grant bulletin number CN216006975U, including foundation ditch soil and backplate, one side surface fixed mounting of backplate has two smooth posts, two all install two block mechanism on the smooth post, four install two second connecting rods and head rod on the block mechanism, two the second connecting rod is all installed the traction mechanism with the one end that block mechanism was kept away from to the head rod, two head rod and second connecting rod all are located the inside of foundation ditch soil.
When the related art is implemented, the clamping mechanism is matched with the sliding column fixed on the support plate, so that the first connecting rod, the second connecting rod and the support plate are fixedly connected, and when the first connecting rod and the second connecting rod are installed, errors may exist between the lower end positions of the first connecting rod and the second connecting rod and the designated connection position due to deformation of a rock foundation, construction errors and the like, so that the lower ends of the first connecting rod and the second connecting rod still need to be adjusted for a plurality of times, the lower ends of the first connecting rod and the second connecting rod can be ensured to be connected with the support plate through the matching between the clamping mechanism and the sliding column, and the construction efficiency of the support structure cannot be guaranteed, so that the support structure needs to be improved.
Disclosure of Invention
The utility model aims to provide a deformation-preventing rock-soil deep foundation pit supporting structure, which has the effect of reducing the connection requirements of a first connecting rod and a second connecting rod and a supporting plate, so that the construction efficiency of the supporting structure can be improved.
The utility model provides a rock-soil deep foundation pit supporting structure capable of preventing deformation, which adopts the following technical scheme.
The utility model provides a prevent ground deep basal pit supporting construction of deformation, includes head rod, second connecting rod and backplate, head rod and second connecting rod all are located the inside of foundation ditch ground, be provided with a plurality of holes of stepping down on the backplate, each head rod and second connecting rod's lower extreme rotation is connected with the threaded rod, each the threaded rod is all worn to establish outside the backplate through the corresponding hole of stepping down of position, and each the threaded rod wears to establish one side of going out the backplate and all threaded connection has the clamp plate, each the edge of clamp plate all supports tightly with the side cooperation of backplate far away from foundation ditch ground.
Specifically, first connecting rod and second connecting rod are buried underground in foundation ditch ground at first, then to the lateral wall of ground deep basal pit remove partial ground, make the lower extreme of first connecting rod and second connecting rod can expose, install the threaded rod at the lower extreme of each first connecting rod and second connecting rod again, then install the backplate on the lateral wall of ground deep basal pit, and make each threaded rod can follow the corresponding hole of stepping down of position and wear out the backplate, finally utilize threaded connection's mode installation clamp plate on each threaded rod, utilize the clamp plate to compress tightly the backplate on the lateral wall of ground deep basal pit can, during this period, as long as ensure that the threaded rod can pass the hole of stepping down can realize the fixed mounting of backplate, the position accuracy requirement of the lower extreme of first connecting rod and second connecting rod is reduced by a wide margin, effectively reduce the construction requirement, thereby reach the effect that improves the efficiency of construction.
Further, the lower extreme of head rod and second connecting rod all is provided with the spliced pole that is regular polygon shape and sets up, the one end that the clamp plate was kept away from to the threaded rod all rotates and is connected with the adapter sleeve, the one end that the threaded rod was kept away from to the adapter sleeve is provided with the joint hole that supplies the spliced pole to insert to establish, the joint hole sets up the same with the cross section shape of spliced pole, the one end that the adapter sleeve kept away from is pegged graft and is had the spacer pin of crossing the spliced pole.
Specifically, the cooperation between spliced pole and the joint hole that the cross-section personally submits regular polygon shape setting is utilized for the adapter sleeve can be fast accurate cover establish on the spliced pole, and the spacer pin of being convenient for wears to establish the spliced pole, in order to realize the detachable relation of connection between adapter sleeve and head rod or the second connecting rod.
Further, the one end that the adapter sleeve was kept away from to the threaded rod is provided with the locating hole that is regular hexagon form and sets up, the axis of locating hole and the axis coincidence setting of threaded rod, be provided with a plurality of spliced eyes on the lateral wall of clamp plate, each spliced eye all surrounds the axis circumference equidistance arrangement setting of clamp plate.
Specifically, when constructor needs to rotate the clamp plate to control the clamp plate to compress tightly the backplate, only need be one be regular polygon spanner that sets up through locating hole and threaded rod be connected, then utilize other spanners to insert locate in the spliced eye in order to reach replace the handle stir the clamp plate can, the constructor of being convenient for rotate the clamp plate.
Further, a plurality of rollers are arranged on one side surface of the pressing plate, which is close to the supporting plate, the rollers are circumferentially and equidistantly arranged around the axis of the pressing plate, and the rollers are abutted against one side surface of the supporting plate, which is away from the rock soil of the foundation pit.
Specifically, the roller is utilized to play a role in reducing friction, so that constructors can stir the pressing plate more easily to control the connection or separation of the pressing plate and the support plate.
Further, a plurality of abutting bolts are further connected to the peripheral side of each pressing plate in a threaded mode, and the bolt body of each abutting bolt penetrates through the pressing plate and abuts against one side face, away from the foundation pit rock soil, of the supporting plate.
Specifically, when the clamp plate supports tightly the backplate through the gyro wheel, constructor can screw up the bolt, supports tightly the backplate through the bolt and thick, can reach the effect that improves frictional force for the clamp plate is difficult for reversing after receiving vibrations, ensures the clamp plate and presss from both sides tight effect to the stability of backplate.
Further, the upper ends of the first connecting rod and the second connecting rod extend out of the surface of the foundation pit rock soil, the upper ends of the first connecting rod and the second connecting rod are in threaded connection with threaded sleeves, the upper ends of the first connecting rod and the second connecting rod are sleeved with limiting seats, the upper ends of the first connecting rod and the second connecting rod are sleeved with high-strength springs, and two ends of each high-strength spring are respectively abutted to the threaded rods and the limiting seats corresponding to the positions.
Specifically, the stability of the upper ends of the first connecting rod and the second connecting rod can be ensured by utilizing the cooperation among the high-strength spring, the threaded rod and the limiting seat, so that the first connecting rod and the second connecting rod are not easy to displace when the lower ends of the first connecting rod and the second connecting rod are stressed.
In summary, the present utility model includes at least one of the following beneficial technical effects:
the connection requirements of the first connecting rod and the second connecting rod with the support plate can be reduced, so that the construction efficiency of the support structure can be improved;
can be improved and used on the existing supporting structure, has lower improvement cost and wider application range, and allows larger construction errors.
Drawings
FIG. 1 is an overall schematic view of a geotechnical deep foundation pit supporting structure according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of part of A of FIG. 1;
FIG. 3 is a schematic view of a platen according to an embodiment of the present utility model;
fig. 4 is an enlarged schematic view of part B of fig. 1.
In the figure, 1, foundation pit rock soil; 2. a support plate; 21. a relief hole; 3. a first connecting rod; 4. a second connecting rod; 31. a connecting column; 5. a pressing plate; 51. a jack; 6. a threaded rod; 61. positioning holes; 7. connecting sleeves; 71. a limiting pin; 72. a clamping hole; 8. a thread sleeve; 9. a limit seat; 10. high strength springs.
Description of the embodiments
The present utility model will be described in further detail with reference to fig. 1 to 4.
Referring to fig. 1, the rock-soil deep foundation pit supporting structure capable of preventing deformation comprises a first connecting rod, a second connecting rod, a supporting plate and a pressing plate, wherein the first connecting rod and the second connecting rod are both positioned in the rock soil of a foundation pit, and the first connecting rod is positioned above the second connecting rod; the setting quantity of clamp plates and the setting quantity one-to-one of head rod and second connecting rod, and each piece clamp plate respectively with the lower extreme separable joint of each head rod and each second connecting rod, each piece clamp plate homoenergetic is kept away from a side cooperation of foundation ditch ground with the backplate and is supported tightly to reach the effect of pressing from both sides tight fixed on the soil deep foundation ditch lateral wall with the backplate.
Referring to fig. 2, a plurality of abdication holes are formed in the support plate, the lower ends of the first connecting rod and the second connecting rod are connected with connecting assemblies, each connecting assembly comprises a threaded rod and a connecting sleeve, and one end of the threaded rod is rotatably connected with one end of the connecting sleeve; the connecting sleeve is detachably connected with the lower end of the first screw (or the second screw), the threaded rod passes through the corresponding abdication hole in position to be arranged outside the support plate, and one side of the threaded rod, which passes through the support plate, is in threaded connection with the pressing plate.
Referring to fig. 2, connecting posts arranged in a regular polygon shape are arranged at the lower ends of the first connecting rod and the second connecting rod, a clamping hole is arranged at one end of the connecting sleeve far away from the threaded rod, the clamping hole is arranged in the same shape as the cross section of the connecting post, and the connecting post can be inserted into the clamping hole; one end of the connecting sleeve, which is far away from the connecting sleeve, is inserted with a limiting pin penetrating through the connecting column, and the detachable connection relationship between the connecting assembly and the first connecting rod (or the second connecting rod) is realized through the limiting pin.
Referring to fig. 3, a positioning hole which is arranged in a regular hexagon shape is arranged at one end of the threaded rod far away from the connecting sleeve, the axis of the positioning hole is overlapped with the axis of the threaded rod, a plurality of plugging holes are arranged on the side wall of the pressing plate, and all the plugging holes are circumferentially and equidistantly arranged around the axis of the pressing plate; when constructors need to rotate the pressing plate to control the pressing plate to press the support plate, the constructors only need to connect a spanner which is arranged in a regular polygon shape with the threaded rod through the positioning hole, and then insert other spanners into the inserting holes to replace the handles to toggle the pressing plate, so that the constructors can conveniently rotate the pressing plate.
Referring to fig. 3, a plurality of rollers are arranged on a side surface of the pressing plate, which is close to the supporting plate, and the rollers are circumferentially equidistantly arranged around the axis of the pressing plate, each roller can be abutted against a side surface of the supporting plate, which is away from the rock soil of the foundation pit, a plurality of abutting bolts are connected to the periphery side of the pressing plate in a threaded manner, and after the bolts of each abutting bolt penetrate through the pressing plate, the bolts of each abutting bolt are abutted against a side surface of the supporting plate, which is away from the rock soil of the foundation pit.
Referring to fig. 4, the upper ends of the first connecting rod and the second connecting rod extend out of the surface of the foundation pit rock soil, the upper ends of the first connecting rod and the second connecting rod are in threaded connection with threaded sleeves, limit seats are sleeved at the upper ends of the first connecting rod and the second connecting rod, high-strength springs are sleeved at the upper ends of the first connecting rod and the second connecting rod, and two ends of each high-strength spring are respectively abutted against the threaded rods and the limit seats which are corresponding in position; wherein, all be provided with the inclined plane on each spacing seat, the lower extreme of high strength spring supports on the inclined plane of spacing seat.
The working principle of the embodiment of the utility model is as follows:
first connecting rod and second connecting rod are buried underground in foundation ditch ground at first, then to the lateral wall of ground deep basal pit remove partial ground, make the lower extreme of first connecting rod and second connecting rod can expose, install the threaded rod at the lower extreme of each first connecting rod and second connecting rod again, then install the backplate on the lateral wall of ground deep basal pit, and make each threaded rod can wear out the backplate from the corresponding hole of stepping down in position, finally utilize threaded connection's mode installation clamp plate on each threaded rod, utilize the clamp plate to compress tightly the backplate on the lateral wall of ground deep basal pit can, during this, as long as ensure that the threaded rod can pass the hole of stepping down can realize the fixed mounting of backplate, the position accuracy requirement of the lower extreme of first connecting rod and second connecting rod is reduced by a wide margin, effectively reduce the construction requirement, thereby reach the effect that improves the efficiency of construction.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: 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 (6)
1. The utility model provides a prevent ground deep basal pit supporting construction of deformation, includes head rod, second connecting rod and backplate, head rod and second connecting rod all are located the inside of foundation ditch ground, its characterized in that, be provided with a plurality of holes of stepping down on the backplate, each head rod and second connecting rod's lower extreme rotation is connected with the threaded rod, each the threaded rod is all worn to establish outside the backplate through the corresponding hole of stepping down in position, and each the threaded rod wears to establish the equal threaded connection in one side of backplate, each the edge of clamp plate all is kept away from a side cooperation butt of foundation ditch ground with the backplate.
2. The deformation-preventing rock-soil deep foundation pit supporting structure according to claim 1, wherein connecting columns arranged in a regular polygon shape are arranged at the lower ends of the first connecting rod and the second connecting rod, connecting sleeves are connected at one ends of the threaded rods, which are far away from the pressing plates, in a rotating mode, clamping holes for inserting the connecting columns are formed in one ends of the connecting sleeves, which are far away from the threaded rods, the clamping holes are arranged in the same shape as the cross section of the connecting columns, and limiting pins penetrating through the connecting columns are inserted into one ends, which are far away from the connecting sleeves.
3. The deformation-preventing rock-soil deep foundation pit supporting structure according to claim 2, wherein one end of the threaded rod, which is far away from the connecting sleeve, is provided with positioning holes which are arranged in a regular hexagon shape, the axis of each positioning hole is overlapped with the axis of the threaded rod, the side wall of the pressing plate is provided with a plurality of inserting holes, and each inserting hole is circumferentially and equidistantly arranged around the axis of the pressing plate.
4. The deformation-preventing rock-soil deep foundation pit supporting structure according to claim 1, wherein a plurality of rollers are arranged on one side surface of the pressing plate, which is close to the supporting plate, and the rollers are circumferentially and equidistantly arranged around the axis of the pressing plate and are abutted against one side surface of the supporting plate, which is away from the rock soil of the foundation pit.
5. The deformation-preventing rock-soil deep foundation pit supporting structure according to claim 4, wherein a plurality of abutting bolts are further connected to the outer peripheral side of each pressing plate in a threaded mode, and a bolt body of each abutting bolt penetrates through the pressing plate and abuts against one side face, away from the rock soil of the foundation pit, of the supporting plate.
6. The deformation-preventing rock-soil deep foundation pit supporting structure according to claim 1, wherein the upper ends of the first connecting rod and the second connecting rod extend out of the surface of the foundation pit rock soil, the upper ends of the first connecting rod and the second connecting rod are connected with threaded sleeves in a threaded mode, the upper ends of the first connecting rod and the second connecting rod are sleeved with limiting seats, the upper ends of the first connecting rod and the second connecting rod are sleeved with high-strength springs, and two ends of each high-strength spring are respectively abutted to the threaded rods and the limiting seats corresponding to the positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320888839.8U CN220099921U (en) | 2023-04-19 | 2023-04-19 | Prevent rock soil deep basal pit supporting construction of deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320888839.8U CN220099921U (en) | 2023-04-19 | 2023-04-19 | Prevent rock soil deep basal pit supporting construction of deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220099921U true CN220099921U (en) | 2023-11-28 |
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ID=88870688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320888839.8U Active CN220099921U (en) | 2023-04-19 | 2023-04-19 | Prevent rock soil deep basal pit supporting construction of deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220099921U (en) |
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2023
- 2023-04-19 CN CN202320888839.8U patent/CN220099921U/en active Active
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| GR01 | Patent grant | ||
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