CN219011225U

CN219011225U - Foundation pit structure

Info

Publication number: CN219011225U
Application number: CN202223486087.7U
Authority: CN
Inventors: 梁友清; 王祥; 柯水庆; 沈丁钦; 王劲萌
Original assignee: Huaji Construction Engineering Group Co ltd
Current assignee: Huaji Construction Engineering Group Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-12
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a foundation pit structure, which relates to the technical field of foundation pits and aims at solving the problems that after the existing supporting pieces for foundation pit structures are used, a supporting disc and a movable rod are required to be separated by unscrewing a locking nut through an external tool, the movable rod is rotated to enable the movable rod to be contained in a fixed assembly, the process is complicated, and the movable rod cannot be contained rapidly. After the movable rod is used, a worker only needs to control the screw thread block to move through the driving mechanism, and the screw thread block can drive the movable rod, the movable plate and the supporting disc to move, so that the movable rod can be quickly stored in the supporting frame.

Description

Foundation pit structure

Technical Field

The utility model relates to the field of foundation pits, in particular to a foundation pit structure.

Background

Along with the rapid promotion of urban process in China, development and utilization of underground space are attracting more and more attention, foundation pit engineering mainly comprises design and construction of foundation pit supporting systems and earth excavation, and is a system engineering with strong comprehensiveness.

The utility model of the prior publication number CN212612509U discloses a supporting structure for a foundation pit, which comprises a fixed component, movable rods positioned at two sides of the fixed component and a supporting disc connected with the movable rods and used for supporting the foundation pit, wherein a first movable mechanism is arranged between the fixed component and the movable rods, a second movable mechanism is arranged between the movable rods and the supporting disc, the first movable mechanism comprises a rotating rod and fixing plates positioned at two sides of the rotating rod, the rotating rod and the pair of fixing plates are respectively provided with two symmetrical through holes, positioning pins are inserted into the through holes, locking nuts are connected to the positioning pins, one ends of the positioning pins sequentially penetrate through the through holes on the fixing plates at one side to the through holes on the fixing plates at the other side, and the locking nuts are in threaded connection with the positioning pins to connect the fixing plates and the rotating rods into a whole.

In the above technical scheme, the inventor finds that at least the following problems exist in the technology, after the use is completed, the supporting disc and the movable rod are separated by unscrewing the lock nut through an external tool, and then the movable rod is rotated to enable the movable rod to be contained in the fixed assembly, so that the process is complicated and the movable rod cannot be contained rapidly, and therefore, a foundation pit structure is proposed.

Disclosure of Invention

In order to solve the problems that after the existing supporting pieces for foundation pit structures are used, a locking nut is required to be unscrewed through an external tool to separate a supporting disc from a movable rod, and then the movable rod is rotated to enable the movable rod to be contained in a fixed assembly, the process is complicated, and the movable rod cannot be contained rapidly.

The utility model provides a foundation pit structure, which adopts the following technical scheme:

the foundation pit structure comprises a foundation pit and a supporting frame arranged in the foundation pit, wherein a bidirectional threaded rod is connected in the supporting frame in a rotating mode, and a driving mechanism is connected to the bidirectional threaded rod;

the two ends of the outer surface of the bidirectional threaded rod are connected with threaded blocks in a threaded mode, one side of each threaded block is fixedly provided with a movable rod, one end of each movable rod is fixedly provided with a movable plate, one side of each movable plate is hinged with a supporting disc, and one side, away from each movable rod, of each threaded block is provided with a sliding mechanism.

Through adopting above-mentioned technical scheme, after using, the staff only need remove through actuating mechanism control screw thread piece, and screw thread piece can drive movable rod, movable plate and supporting disk and remove to make the inside that movable rod can accomodate the advance support frame fast.

Optionally, the inner wall of foundation ditch is provided with the backplate, one side fixed mounting of backplate has the inserted bar, the supporting disk can support on the backplate.

Through adopting above-mentioned technical scheme, the inserted bar can make the connection of backplate and foundation ditch more firm.

Optionally, one side of the support frame is rotatably connected with a side door through a hinge.

Through adopting above-mentioned technical scheme, the side door can make things convenient for the staff later stage to overhaul support frame inner structure.

Optionally, the actuating mechanism includes the motor, motor and support frame fixed connection, the output fixed mounting of motor has first bevel gear, first bevel gear meshing is connected with the second bevel gear, second bevel gear and two-way threaded rod fixed connection.

Through adopting above-mentioned technical scheme, the motor can drive first bevel gear and rotate, and first bevel gear can drive second bevel gear and rotate, and the second bevel gear can drive two-way threaded rod and rotate, and then is favorable to improving two-way threaded rod pivoted stability.

Optionally, a rubber anti-slip pad is fixedly arranged on one side of the support disc, which is close to the support plate.

Through adopting above-mentioned technical scheme, rubber slipmat can increase the frictional force between supporting plate and the backplate, makes the connection of supporting plate and backplate more firm.

Optionally, one side fixed mounting of side door has the locking box, the inside fixed mounting of locking box has the spring, the one end fixed mounting of spring has the fixture block, one side fixed mounting that the support frame surface is located the locking box has the stopper, the inside of stopper seted up with fixture block looks adaptation draw-in groove.

Through adopting above-mentioned technical scheme, when needs open the side door, the staff only need control the fixture block remove, and the fixture block can extrude the spring and with draw-in groove mutual separation to make the staff can open the side door fast.

Optionally, the sliding mechanism includes the slider, one side and the movable rod fixed connection of slider, the inside of support frame seted up with slider looks adaptation spout.

Through adopting above-mentioned technical scheme, slider and spout can restrict the movable range of screw thread piece, can make the screw thread piece remove more steadily simultaneously.

Optionally, the lateral surface fixed mounting of fixture block has the push pedal, the sliding hole has been seted up to the lateral surface of locking box, the push pedal runs through to the outside of sliding hole.

Through adopting above-mentioned technical scheme, the push pedal can make things convenient for the staff to promote the fixture block and remove.

In summary, the utility model has the following beneficial effects:

1. the utility model has simple operation and convenient use, after the use is finished, a worker only needs to control the screw thread block to move through the driving mechanism, and the screw thread block can drive the moving rod, the moving plate and the supporting disc to move, so that the moving rod can be quickly stored into the supporting frame;

2. when the side door is required to be opened, a worker only needs to control the clamping block to move, and the clamping block can squeeze the spring and separate from the clamping groove, so that the worker can rapidly open the side door.

Drawings

Fig. 1 is a schematic cross-sectional elevation view of the present utility model.

Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

Fig. 3 is a schematic elevational view of the present utility model.

FIG. 4 is a schematic cross-sectional view of the locking box and stopper of the present utility model.

Reference numerals illustrate:

1. a foundation pit; 2. a support frame; 3. a two-way threaded rod; 4. a driving mechanism; 41. a motor; 42. a first bevel gear; 43. a second bevel gear; 5. a screw block; 6. a moving rod; 7. a moving plate; 8. a support plate; 9. a sliding mechanism; 91. a slide block; 92. a chute; 10. a support plate; 11. a rod; 12. a side door; 13. a rubber anti-slip pad; 14. a locking box; 15. a spring; 16. a clamping block; 17. a limiting block; 18. a push plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Referring to fig. 1 and 2, a foundation pit structure includes a foundation pit 1 and a supporting frame 2 disposed inside the foundation pit 1, a bidirectional threaded rod 3 is rotatably connected inside the supporting frame 2, a driving mechanism 4 is connected to the bidirectional threaded rod 3, the driving mechanism 4 includes a motor 41, the motor 41 is fixedly connected with the supporting frame 2, a first bevel gear 42 is fixedly mounted at an output end of the motor 41, a second bevel gear 43 is engaged and connected with the first bevel gear 42, and the second bevel gear 43 is fixedly connected with the bidirectional threaded rod 3.

Referring to fig. 1, two ends of the outer surface of the bidirectional threaded rod 3 are connected with a threaded block 5 in a threaded manner, one side of the threaded block 5 is fixedly provided with a movable rod 6, one end of the movable rod 6 is fixedly provided with a movable plate 7, one side of the movable plate 7 is hinged with a supporting plate 8, one side of the threaded block 5, which is far away from the movable rod 6, is provided with a sliding mechanism 9, the sliding mechanism 9 comprises a sliding block 91, one side of the sliding block 91 is fixedly connected with the movable rod 6, a sliding groove 92 which is matched with the sliding block 91 is formed in the supporting frame 2, and the sliding block 91 and the sliding groove 92 can limit the movement range of the threaded block 5 and simultaneously enable the threaded block 5 to move more stably.

Referring to fig. 1, a supporting plate 10 is disposed on an inner wall of a foundation pit 1, inserting rods 11 are fixedly mounted on one side of the supporting plate 10, the number of the inserting rods 11 is four, the four inserting rods 11 are respectively disposed at four corners of the supporting plate 10, a supporting plate 8 can be supported on the supporting plate 10, and the inserting rods 11 can enable the supporting plate 10 to be connected with the foundation pit 1 more firmly. One side of the support disc 8, which is close to the support plate 10, is fixedly provided with a rubber anti-slip pad 13, and the rubber anti-slip pad 13 can increase the friction force between the support disc 8 and the support plate 10, so that the support disc 8 and the support plate 10 are more firmly connected.

Referring to fig. 1, 3 and 4, one side of the support frame 2 is rotatably connected with a side door 12 through a hinge, and the side door 12 is convenient for a worker to overhaul the internal structure of the support frame 2 in the later period. A locking box 14 is fixedly arranged on one side of the side door 12, a spring 15 is fixedly arranged in the locking box 14, a clamping block 16 is fixedly arranged at one end of the spring 15, the clamping block 16 is in sliding connection with the locking box 14, a limiting block 17 is fixedly arranged on one side of the outer surface of the support frame 2, which is positioned on the locking box 14, and a clamping groove matched with the clamping block 16 is formed in the limiting block 17. The push plate 18 is fixedly arranged on the outer side face of the clamping block 16, the sliding hole is formed in the outer side face of the locking box 14, the push plate 18 penetrates through the outer portion of the sliding hole, and the push plate 18 can facilitate a worker to push the clamping block 16 to move.

The implementation principle of the utility model is as follows: after the use is completed, a worker can start the motor 41, the motor 41 can drive the first bevel gear 42 to rotate, the first bevel gear 42 can drive the second bevel gear 43 to rotate, the second bevel gear 43 can drive the bidirectional threaded rod 3 to rotate, the bidirectional threaded rod 3 can drive the threaded block 5 to move under the cooperation of the sliding block 91 and the sliding groove 92, and the threaded block 5 can drive the movable rod 6, the movable plate 7 and the supporting disc 8 to move, so that the movable rod 6 can be quickly accommodated in the supporting frame 2;

when the side door 12 needs to be opened, a worker only needs to push the push plate 18 to move, the push plate 18 can drive the clamping block 16 to move, and the clamping block 16 can squeeze the spring 15 and be separated from the clamping groove, so that the worker can rapidly open the side door 12.

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

1. The utility model provides a foundation ditch structure, includes foundation ditch (1) and sets up at inside support frame (2) of foundation ditch (1), its characterized in that: the inside of the supporting frame (2) is rotatably connected with a bidirectional threaded rod (3), and the bidirectional threaded rod (3) is connected with a driving mechanism (4);

both ends of bi-directional threaded rod (3) surface all threaded connection has screw thread piece (5), one side fixed mounting of screw thread piece (5) has movable rod (6), one end fixed mounting of movable rod (6) has movable plate (7), one side of movable plate (7) articulates there is supporting disk (8), one side that movable rod (6) was kept away from to screw thread piece (5) is provided with slide mechanism (9).

2. A pit structure according to claim 1, wherein: the inner wall of foundation ditch (1) is provided with backplate (10), one side fixed mounting of backplate (10) has inserted bar (11), supporting disk (8) can support on backplate (10).

3. A pit structure according to claim 1, wherein: one side of the support frame (2) is rotatably connected with a side door (12) through a hinge.

4. A pit structure according to claim 1, wherein: the driving mechanism (4) comprises a motor (41), the motor (41) is fixedly connected with the support frame (2), a first bevel gear (42) is fixedly arranged at the output end of the motor (41), a second bevel gear (43) is connected with the first bevel gear (42) in a meshed mode, and the second bevel gear (43) is fixedly connected with the bidirectional threaded rod (3).

5. A pit structure according to claim 1, wherein: one side of the supporting disc (8) close to the supporting plate (10) is fixedly provided with a rubber anti-slip pad (13).

6. A pit structure according to claim 3, wherein: one side fixed mounting of side door (12) has locking box (14), the inside fixed mounting of locking box (14) has spring (15), the one end fixed mounting of spring (15) has fixture block (16), one side fixed mounting that support frame (2) surface is located locking box (14) has stopper (17), the inside of stopper (17) seted up with fixture block (16) looks adaptation draw-in groove.

7. A pit structure according to claim 1, wherein: the sliding mechanism (9) comprises a sliding block (91), one side of the sliding block (91) is fixedly connected with the moving rod (6), and a sliding groove (92) matched with the sliding block (91) is formed in the supporting frame (2).

8. The foundation pit structure of claim 6, wherein: the outer side surface of the clamping block (16) is fixedly provided with a push plate (18), the outer side surface of the locking box (14) is provided with a sliding hole, and the push plate (18) penetrates to the outside of the sliding hole.