CN210563544U

CN210563544U - Support for construction of deep foundation pit in sensitive environment complex stratum

Info

Publication number: CN210563544U
Application number: CN201920876793.1U
Authority: CN
Inventors: 晁自如; 李雷鸣; 刘达; 李应心; 程方方
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-05-19
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a support is used in construction of complicated stratum deep basal pit of sensitive environment, the hydraulic cylinder comprises a hydraulic cylinder, the fixed backup pad that is provided with in pneumatic cylinder upper end, the inside movable sleeve of backup pad is equipped with the extension board, a plurality of jacks have been seted up on extension board outside surface, the backup pad alternates with the direct activity of jack and is provided with the bolt, the fixed first contact that is provided with in extension board lower extreme middle part, the bolt lower extreme is provided with the connecting piece through the screw thread activity, the connecting piece lower extreme is provided with the mounting panel through the bearing activity, the fixed second contact that is provided with in mounting panel upper end middle part, the fixed bee calling organ that is provided with in mounting panel lower extreme middle part, the backup pad lower extreme is at the fixed battery that is provided with in. The utility model discloses the result of use is better, can be convenient for adjust the transport of being convenient for, can also report to the police and indicate when the device receives pressure too big simultaneously.

Description

Support for construction of deep foundation pit in sensitive environment complex stratum

Technical Field

The utility model relates to a construction technical field specifically is a support is used in construction of sensitive environment complex stratum deep basal pit.

Background

In recent years, with the high-speed development of urban construction, land resources are increasingly precious, underground spaces are utilized as much as possible in various construction projects, and various super high-rise basements, underground shopping malls, subways and tunnels are layered endlessly, so that a large number of deep foundation pit projects frequently appear. Various foundation pits are increasingly characterized by being deeper and larger, so that the construction difficulty is greatly increased. Particularly, in a plurality of luxurious first-line cities, high-rise buildings are frequently required to be rebuilt and expanded, deep foundation pit construction is involved, and meanwhile, various subway station constructions also belong to deep foundation pits. In an urban with dense structures, a deep foundation pit with the first-level construction safety level is always constructed next to the structures or a subway, the foundation pit construction is complex in surrounding environment, the structures have high requirements on settlement and deformation, and the construction difficulty is extremely high.

Therefore, the support is often needed when the excavation pit is built, but the support used at present is not easy to flexibly adjust the support area, and can not give an alarm when being subjected to larger pressure, so that the worker is prompted to escape, and the use effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support is used in construction of sensitive environment complicated stratum deep basal pit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a support is used in construction of sensitive environment complicated stratum deep basal pit, includes the pneumatic cylinder, the fixed backup pad that is provided with in pneumatic cylinder upper end, the inside movable sleeve of backup pad is equipped with the extension board, a plurality of jacks have been seted up on extension board outside surface, the backup pad alternates with the direct activity of jack and is provided with the bolt, extension board lower extreme middle part is fixed and is provided with first contact, the bolt lower extreme is provided with the connecting piece through the screw thread activity, the connecting piece lower extreme is provided with the mounting panel through the bearing activity, the fixed second contact that is provided with in mounting panel upper end middle part, the fixed bee calling organ that is provided with in mounting panel lower extreme middle part, the backup pad lower extreme is at the fixed battery that is provided with in.

Preferably, the bottom plate is fixedly arranged at the lower end of the hydraulic cylinder, and the grounding area of the hydraulic cylinder is increased through the bottom plate, so that the hydraulic cylinder is prevented from being sunk into soil during supporting.

Preferably, threaded holes are formed in four corners of the upper end surface of the base plate respectively, and the device can be conveniently fixed on the ground through the threaded holes.

Preferably, the lower end of the supporting plate is fixedly provided with a first fixing piece on one side of the bolt, one side of the hydraulic cylinder is fixedly provided with a second fixing piece, a supporting rod is movably arranged between the first fixing piece and the second fixing piece through a rotating shaft, and a triangular structure can be formed through the supporting rod, so that the stability of the supporting plate is improved when the device is supported.

Preferably, the extension plate is smoothly connected with the inner wall of the inner side of the support plate, and the extension plate can be conveniently pulled out of the support plate through the smooth connection.

Preferably, the upper end of the bolt is movably provided with a pull ring through a rotating shaft, the pull ring is rotated through the rotating shaft to stand up when the device is used, the bolt can be conveniently pulled out of the jack, and the bolt can be horizontally laid without being obstructed through the rotation of the rotating shaft when the device is used for supporting.

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

1. the utility model discloses a bracing piece can be so that form the triangle-shaped structure between backup pad and the pneumatic cylinder to the stability of backup pad when increasing the device and supporting can be as required when the device uses, extracts the bolt from the jack through the pull ring, then pulls out the extension board from the backup pad, with the distance between two pneumatic cylinders of extension, thereby increases the support area of device as required.

2. The utility model discloses when the device received pressure when supporting when too big, the middle department of extension board should take place the bending most easily, will make first contact and second contact at this moment, leads to bee calling organ circular telegram to report to the police, and the suggestion workman is dangerous, and the safety effect is better.

Drawings

FIG. 1 is a schematic view of the whole structure of the support for construction of deep foundation pit in complex stratum under sensitive environment of the utility model;

FIG. 2 is an enlarged view of the support for deep foundation pit construction in a complex stratum under a sensitive environment of the present invention at the position A in FIG. 1;

fig. 3 is the utility model relates to a support top view is used in construction of sensitive environment complex stratum deep basal pit.

In the figure: 1. a hydraulic cylinder; 2. a support plate; 3. an extension plate; 4. a jack; 5. a bolt; 6. a first contact; 7. a connecting member; 8. mounting a plate; 9. a second contact; 10. a buzzer; 11. a storage battery; 12. a base plate; 13. a threaded hole; 14. a first fixing member; 15. a second fixing member; 16. a support bar; 17. and (4) a pull ring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a support for construction of a deep foundation pit in a complex stratum in a sensitive environment comprises a hydraulic cylinder 1, a support plate 2 is fixedly arranged at the upper end of the hydraulic cylinder 1, an extension plate 3 is movably sleeved in the support plate 2, a plurality of jacks 4 are arranged on the outer side surface of the extension plate 3, the supporting plate 2 and the jack 4 are directly and movably inserted with a bolt 5, the middle part of the lower end of the extension plate 3 is fixedly provided with a first contact 6, the lower end of the bolt 5 is movably provided with a connecting piece 7 through threads, the lower end of the connecting piece 7 is movably provided with a mounting plate 8 through a bearing, a second contact 9 is fixedly arranged in the middle of the upper end of the mounting plate 8, a buzzer 10 is fixedly arranged in the middle of the lower end of the mounting plate 8, the lower end of the supporting plate 2 is fixedly provided with a storage battery 11 on one side of a buzzer 10, and the first contact 6 and the second contact 9 are respectively electrically connected with the storage battery 11 and the buzzer 10.

The lower end of the hydraulic cylinder 1 is fixedly provided with a bottom plate 12, the grounding area of the hydraulic cylinder 1 is increased through the bottom plate 12, so that the hydraulic cylinder 1 is prevented from being sunk into the soil during supporting, four corners of the upper end surface of the bottom plate 12 are respectively provided with a threaded hole 13, the device can be conveniently fixed on the ground through the threaded holes 13, the lower end of the support plate 2 is fixedly provided with a first fixing part 14 on one side of the bolt 5, one side of the hydraulic cylinder 1 is fixedly provided with a second fixing part 15, a support rod 16 is movably arranged between the first fixing part 14 and the second fixing part 15 through a rotating shaft, a triangular structure can be formed through the support rod 16, so that the stability of the support plate 2 is increased during supporting of the device, the extension plate 3 is smoothly connected with the inner side wall of the support plate 2, the extension plate 3 can be conveniently pulled out, when the device is used, the pull ring 17 is rotated through the rotating shaft to stand up, the bolt 5 can be conveniently pulled out of the jack 4, and when the device is used for supporting, the rotating shaft rotates to lie down without being obstructed.

The working principle is as follows: when the device is used, the supporting plate 2 is supported by extending the hydraulic cylinder 1, so that the supporting plate 2 plays a role of supporting an upper soil layer, a triangular structure can be formed between the supporting plate 2 and the hydraulic cylinder 1 through the supporting rod 16, the stability of the supporting plate 2 when the device is supported is improved, meanwhile, the grounding area of the hydraulic cylinder 1 is increased through the bottom plate 12, so that the hydraulic cylinder 1 is prevented from being sunk into soil when being supported, the bolt 5 can be pulled out of the inserting hole 4 through the pull ring 17 according to needs when the device is used, then the extension plate 3 is pulled out of the supporting plate 2 to prolong the distance between the two hydraulic cylinders 1, so that the supporting area of the device is increased according to needs, then the bolt 5 is inserted again, the connecting piece 7 is required to be rotated through threads when the bolt 5 is pulled out, the mounting plate 8 is dismounted, when the device is subjected to overla, the middle department of extension board 3 should take place the bending most easily, will make first contact 6 and the contact of second contact 9 at this moment, lead to 10 electrical alarms of bee calling organ, and the suggestion workman is dangerous, and this is exactly the utility model relates to a complex stratum deep basal pit of sensitive environment is the theory of operation of support for construction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 support is used in construction of sensitive environment complex stratum deep basal pit, includes pneumatic cylinder (1), its characterized in that: pneumatic cylinder (1) upper end is fixed and is provided with backup pad (2), backup pad (2) inside movable sleeve is equipped with extension board (3), a plurality of jacks (4) have been seted up on extension board (3) outside surface, backup pad (2) and jack (4) direct activity interlude are provided with bolt (5), extension board (3) lower extreme middle part is fixed and is provided with first contact (6), bolt (5) lower extreme is provided with connecting piece (7) through the screw thread activity, connecting piece (7) lower extreme is provided with mounting panel (8) through the bearing activity, mounting panel (8) upper end middle part is fixed and is provided with second contact (9), mounting panel (8) lower extreme middle part is fixed and is provided with bee calling organ (10), backup pad (2) lower extreme is fixed in bee calling organ (10) one side and is provided with battery (11), first contact (6) are, The second contact (9) is respectively and electrically connected with the storage battery (11) and the buzzer (10).

2. The support for sensitive environment complex stratum deep foundation pit construction according to claim 1, wherein: the lower end of the hydraulic cylinder (1) is fixedly provided with a bottom plate (12).

3. The support for sensitive environment complex stratum deep foundation pit construction according to claim 2, wherein: threaded holes (13) are respectively formed in four corners of the upper end surface of the bottom plate (12).

4. The support for sensitive environment complex stratum deep foundation pit construction according to claim 1, 2 or 3, wherein: the support plate is characterized in that a first fixing part (14) is fixedly arranged at one side of the bolt (5) at the lower end of the support plate (2), a second fixing part (15) is fixedly arranged at one side of the hydraulic cylinder (1), and a support rod (16) is movably arranged between the first fixing part (14) and the second fixing part (15) through a rotating shaft.

5. The support for sensitive environment complex stratum deep foundation pit construction according to claim 1, 2 or 3, wherein: the extension plate (3) is smoothly connected with the inner wall of the inner side of the support plate (2).

6. The support for sensitive environment complex stratum deep foundation pit construction according to claim 1, 2 or 3, wherein: and the upper end of the bolt (5) is movably provided with a pull ring (17) through a rotating shaft.