CN211037002U

CN211037002U - Foundation pit supporting structure

Info

Publication number: CN211037002U
Application number: CN201921773424.6U
Authority: CN
Inventors: 罗伟力
Original assignee: Dingxin Construction Co ltd
Current assignee: Dingxin Construction Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-17
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a supporting structure for foundation pit, which comprises a base, the draw-in groove has been seted up at the top of base, be provided with the base in the draw-in groove, the top fixedly connected with protective housing of base, fixed mounting has first pneumatic cylinder in the protective housing, the output shaft top fixedly connected with lifter of first pneumatic cylinder, the outside of lifter is provided with the driving frame, a plurality of transfer lines of its pole body fixedly connected with, the driving frame is the square structure, a plurality of transmission pipes of the equal fixedly connected with of its four sides inner wall, the transfer line inserts to the transmission pipe that corresponds, the equal fixed mounting of the four sides outer wall of driving frame has the second pneumatic cylinder, the terminal fixedly connected with gusset plate of output shaft of second pneumatic cylinder. The utility model has the characteristics of structural design is reasonable, and stability is high, and is safe high-efficient, and protection scope and high big, the flexibility is strong, and buffering and shock attenuation performance are good etc.

Description

Foundation pit supporting structure

Technical Field

The utility model relates to a construction technical field specifically is a foundation ditch supporting construction.

Background

The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. As a structural system, the foundation pit support should meet the requirements of stability and deformation, namely the requirements of two limit states, namely a bearing capacity limit state and a normal use limit state, which are generally specified.

Most of the existing foundation pit supporting structures are designed in an integrated mode, the protection range and the height of the existing foundation pit supporting structures are limited, the existing foundation pit supporting structures cannot be adjusted according to needs, the flexibility is poor, the use efficiency is reduced, corresponding buffering and damping mechanisms are lacked, vibration is easy to generate in the protection process, and therefore improvement on the existing foundation pit supporting structures is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's excavation supporting construction protection scope and highly limited, can not adjust, and the flexibility is poor, and the availability factor is low to buffering and the poor defect of damping performance provide an excavation supporting construction. The foundation pit supporting structure has the characteristics of reasonable structural design, high stability, safety, high efficiency, large protection range and height, strong flexibility, good buffering and damping performance and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a foundation pit supporting structure, includes the base, the draw-in groove has been seted up at the top of base, be provided with the base in the draw-in groove, the top fixedly connected with protective housing of base, fixed mounting has first pneumatic cylinder in the protective housing, the output shaft top fixedly connected with lifter of first pneumatic cylinder, the outside of lifter is provided with the driving frame, a plurality of transfer lines of its pole body fixedly connected with, the driving frame is the square structure, a plurality of driving pipes of the equal fixedly connected with of its four sides inner wall, the transfer line inserts to the driving pipe that corresponds in, the equal fixed mounting in four sides outer wall of driving frame has the second pneumatic cylinder, the terminal fixedly connected with gusset plate of output shaft of second pneumatic cylinder.

Preferably, the equal fixedly connected with support in top both sides of base, a pair of fixed block of inner wall fixedly connected with of support, the fixedly connected with slide bar between the fixed block, the pole body both ends of slide bar are all overlapped and are equipped with the slide pipe, the first spring of fixedly connected with between slide pipe and the fixed block, just the pipe wall of slide pipe and the equal fixedly connected with connecting seat of both sides outer wall of base, swing joint has the connecting rod between the connecting seat.

Preferably, the top end of the lifting rod is fixedly connected with a top plate, the top of the top plate is fixedly connected with a plurality of second springs, and the top ends of the second springs are fixedly connected with a buffer plate.

Preferably, the top surface of buffer board is provided with the one deck rubber pad, and the thickness of rubber pad is 2 ~ 3 cm.

Preferably, the outer wall all fixedly connected with a plurality of registration arm of four sides of driving frame, every all insert the locating lever in the registration arm, the spout has all been seted up to its both sides pipe wall, the one end fixed connection of locating lever is on the gusset plate, and the equal fixedly connected with slider in its terminal pole body both sides, the slider passes the spout and extends to outside the registration arm.

Preferably, the output shaft body cover of first pneumatic cylinder is equipped with spacing pipe, the equal fixedly connected with mount of both sides pipe wall of spacing pipe, the bottom fixed connection of mount is on the base.

Preferably, the gusset plate is the arc plate structure, and its quantity is four to use the lifter to be cyclic annular distribution as the center, just the outer wall surface evenly distributed of gusset plate has a plurality of hemisphere rubber piece.

Preferably, the number of the transmission pipes is equal to that of the transmission rods, the transmission pipes are annularly distributed by taking the lifting rod as the center, the inner diameter of each transmission pipe is equal to the rod diameter of each transmission rod, and the centers of the transmission pipes and the centers of the transmission rods are located on the same straight line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the structure is reasonable in design and high in stability, and the vibration amplitude of the base caused by the action of external force can be reduced;

2. the buffer and shock absorption performance is good, the buffer plate can play a role in buffering and shock absorption so as to avoid collision between the transmission frame and the buffer plate due to direct contact, the reinforcing plate can play a role in reinforcing and protecting a foundation pit, and the hemispherical rubber blocks distributed on the surface of the reinforcing plate can play a role in buffering and shock absorption so as to avoid collision and abrasion between the reinforcing plate and the foundation pit due to direct contact, so that the service life of the reinforcing plate is prolonged;

3. the flexibility is strong, can adjust the reinforcement height and the scope of gusset plate respectively through driving first pneumatic cylinder and second pneumatic cylinder to improve this supporting construction's availability factor, make its corresponding reinforcement and protective effect of playing that can be better.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic bottom structure view of the transmission frame.

Reference numbers in the figures: 1. a base; 2. a card slot; 3. a base; 4. a protective shell; 5. a first hydraulic cylinder; 6. a lifting rod; 7. a transmission frame; 8. a transmission rod; 9. a drive tube; 10. a second hydraulic cylinder; 11. a reinforcing plate; 12. a support; 13. a fixed block; 14. a slide bar; 15. a slide pipe; 16. a first spring; 17. a connecting seat; 18. a connecting rod; 19. a top plate; 20. a second spring; 21. a buffer plate; 22. a positioning tube; 23. positioning a rod; 24. a chute; 25. a slider; 26. a limiting pipe; 27. a fixing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the present invention provides a technical solution, which includes a base 1, a slot 2 is formed at a top of the base 1, a base 3 is disposed in the slot 2, a bracket 12 is fixedly connected to both sides of a top of the base 1, a pair of fixed blocks 13 is fixedly connected to an inner wall of the bracket 12, a slide rod 14 is fixedly connected between the fixed blocks 13, a slide tube 15 is sleeved at both ends of a rod body of the slide rod 14, a first spring 16 is fixedly connected between the slide tube 15 and the fixed block 13, a connecting seat 17 is fixedly connected to a wall of the slide tube 15 and outer walls of both sides of the base 3, a connecting rod 18 is movably connected between the connecting seat 17, a first hydraulic cylinder 5 is fixed by an elastic action of the first spring 16 to prevent the slide tube 15 from sliding along the slide tube 14, thereby abutting against a connecting seat 17 of outer walls of both sides of the base 3 by the connecting seat 18, so as to reduce a vibration amplitude generated by external force, a fixed shock absorption range generated by external force, a fixed, a protective shell 4 is fixedly connected to the protective shell 4, a first hydraulic cylinder 5 is fixedly installed in the protective shell 4, a protective shell, a first hydraulic cylinder 5, an output shaft of the first hydraulic cylinder 5 is fixedly connected to a fixed hydraulic cylinder 5, an output shaft 26, an output shaft 7, a fixed hydraulic cylinder 27 is fixedly connected to a fixed hydraulic cylinder 27, a fixed hydraulic cylinder 27 is provided, a fixed hydraulic cylinder 27, a fixed hydraulic cylinder 7, a fixed hydraulic cylinder 27 is provided, a fixed hydraulic cylinder 7 is provided, a fixed hydraulic cylinder 7 is provided, a fixed hydraulic cylinder 7 is provided, a fixed hydraulic cylinder 7 is provided to a fixed hydraulic cylinder 7, a fixed hydraulic cylinder 7 is provided, a fixed hydraulic cylinder 7 is provided to a fixed hydraulic cylinder 7, a fixed hydraulic cylinder 7 is provided to a fixed hydraulic cylinder 7.

The working principle is as follows: the utility model discloses when using, fix base 3 on base 1 through draw-in groove 2, and it is fixed to carry out the shock attenuation to base 3 through the connecting rod 18 of both sides, in order to reduce base 3's vibration range, can play reinforcement and the guard action to the foundation ditch through gusset plate 11, can make it drive gusset plate 11 through drive second pneumatic cylinder 10 and remove about, thereby can adjust the reinforcement scope of gusset plate 11 as required, and can make it drive lifter 6 reciprocate through driving first pneumatic cylinder 5, can drive transmission frame 7 and reciprocate together with gusset plate 11 through mutually supporting between transfer line 8 and the driving pipe 9 when lifter 6 reciprocates, thereby can adjust the reinforcement height of gusset plate 11 as required, the availability factor of this supporting construction has been improved then, make its can be better play corresponding reinforcement and protecting effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch supporting construction, includes base (1), its characterized in that: the top of the base (1) is provided with a clamping groove (2), a base (3) is arranged in the clamping groove (2), the top of the base (3) is fixedly connected with a protective shell (4), a first hydraulic cylinder (5) is fixedly arranged in the protective shell (4), a lifting rod (6) is fixedly connected with the top end of an output shaft of the first hydraulic cylinder (5), a transmission frame (7) is arranged outside the lifting rod (6), the rod body is fixedly connected with a plurality of transmission rods (8), the transmission frame (7) is a cube structure, the inner walls of four sides are fixedly connected with a plurality of transmission pipes (9), the transmission rods (8) are inserted into the corresponding transmission pipes (9), the four outer walls of the transmission frame (7) are all fixedly provided with second hydraulic cylinders (10), and a reinforcing plate (11) is fixedly connected to the tail end of the output shaft of the second hydraulic cylinder (10).

2. A foundation pit supporting construction according to claim 1, wherein: the utility model discloses a sliding tube base, including base (1), the equal fixedly connected with support (12) in top both sides of base (1), a pair of fixed block (13) of inner wall fixedly connected with of support (12), fixedly connected with slide bar (14) between fixed block (13), the pole body both ends of slide bar (14) all are equipped with slide tube (15), the first spring of fixedly connected with (16) between slide tube (15) and fixed block (13), just the equal fixedly connected with connecting seat (17) of both sides outer wall of the pipe wall of slide tube (15) and base (3), swing joint has connecting rod (18) between connecting seat (17).

3. A foundation pit supporting construction according to claim 1, wherein: the top fixedly connected with roof (19) of lifter (6), the top fixedly connected with a plurality of second spring (20) of roof (19), the top fixedly connected with buffer board (21) of second spring (20).

4. A foundation pit supporting construction according to claim 3, wherein: the top surface of buffer board (21) is provided with the one deck rubber pad, and the thickness of rubber pad is 2 ~ 3 cm.

5. A foundation pit supporting construction according to claim 1, wherein: the equal fixedly connected with a plurality of registration arm (22) of four sides outer wall of driving frame (7), every locating lever (23) have all been inserted in registration arm (22), and spout (24) have all been seted up to its both sides pipe wall, the one end fixed connection of locating lever (23) is on gusset plate (11), and the equal fixedly connected with slider (25) in its terminal pole body both sides, slider (25) pass spout (24) and extend outside registration arm (22).

6. A foundation pit supporting construction according to claim 1, wherein: the output shaft body cover of first pneumatic cylinder (5) is equipped with spacing pipe (26), the equal fixedly connected with mount (27) of both sides pipe wall of spacing pipe (26), the bottom fixed connection of mount (27) is on base (3).

7. A foundation pit supporting construction according to claim 1, wherein: the reinforcing plate (11) is of an arc-shaped plate structure, the number of the reinforcing plate is four, the reinforcing plate is annularly distributed by taking the lifting rod (6) as the center, and a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the outer wall of the reinforcing plate (11).

8. A foundation pit supporting construction according to claim 1, wherein: the number of transmission pipe (9) and transfer line (8) equals, all uses lifter (6) to be cyclic annular distribution as the center, the internal diameter of transmission pipe (9) equals the pole footpath of transfer line (8), just the center of transmission pipe (9) and transfer line (8) is located same straight line.