Supporting device for deep foundation pit excavation

Abstract

The utility model discloses a supporting device for deep foundation pit excavation, and relates to the technical field of deep foundation pit excavation supporting, the supporting device comprises a group of supporting plates, a group of supporting mechanisms are arranged on the inner sides of the supporting plates and used for supporting the supporting plates, and each supporting mechanism comprises a dismounting and mounting unit arranged on the inner side of the supporting plate and used for supporting the supporting plates. The supporting plate is connected with the supporting mechanism; the telescopic unit is arranged on the inner side of the dismounting and mounting unit and comprises a connecting column, a threaded sleeve is rotatably mounted at one end of the connecting column, and a threaded column is rotatably mounted in the threaded sleeve in a threaded mode. The threaded sleeve rotates to drive the threaded column to stretch out, the threaded column pushes the supporting plates to move through the dismounting and mounting unit, the supporting plates are extruded on the pit wall, supporting is achieved, and meanwhile the supporting stability of the supporting plates is improved through mutual extrusion of the two supporting plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep foundation pit excavation support technical field, concretely is a kind of support device for deep foundation pit excavation. BACKGROUND

[0002] Deep foundation pit water interception excavation support is a kind of support, reinforcement and protection measures used to deep foundation pit side wall and surrounding environment to ensure the safety of underground structure construction and surrounding environment.

[0003] According to the patent name: a kind of support device for deep foundation pit excavation (patent publication number: CN222314008U, patent publication date: 2025-01-07), including support board, the support board one side equidistantly swing connection has the main anchor rod that passes through support board, the top of the support board one side equidistantly swing connection has the vice anchor rod that passes through support board, the both ends of the support board one side are hinged with reinforcing bar, the bottom of the reinforcing bar is hinged with reinforcing plate, the both ends of the reinforcing plate top are provided with reserved slot, the reserved slot inner bottom wall swing connection has the lock ground bolt that passes through reinforcing plate, the top of the support board one side is provided with drainage groove, through the rubber sealing sleeve, drainage groove and sealing groove that are set, the water flowing to the surface of support board is guided and drained by the arc-shaped drainage groove, and the water in the foundation pit can flow to the inside of drainage groove, and then concentratedly guided and drained to the specified place, it is convenient to concentrate and discharge, reduce the water accumulation in the foundation pit, improve its practicability.

[0004] And based on the above prior art, the existing support device for deep foundation pit excavation still has the following problems, the existing support device is usually fixed to support board by anchor rod inserted into soil, however, the stability of this method is not high, therefore, the utility model provides a kind of support device for deep foundation pit excavation. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of support device for deep foundation pit excavation, solves the following problems of the existing support device for deep foundation pit excavation, the existing support device is usually fixed to support board by anchor rod inserted into soil, however, the stability of this method is not high.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of support device for deep foundation pit excavation, including a group of support board, the inner side of the support board is provided with a group of support mechanism for supporting support board, and the support mechanism includes:

[0007] Dismounting unit is arranged on the inner side of support board and is used to realize the connection between support board and support mechanism;

[0008] The telescopic unit is arranged at the inner side of the dismounting unit, and comprises a connecting column, one end of the connecting column is rotatably provided with a threaded sleeve, the inside of the threaded sleeve is rotatably provided with a threaded column, the threaded column is telescopically arranged in the threaded sleeve by rotating the threaded sleeve, so that the supporting plate is supported.

[0009] Preferably, one end of the threaded column is fixedly provided with a fixed block, and the surface of the threaded sleeve is fixedly provided with a rotating torsion ring.

[0010] Preferably, the dismounting unit comprises a mounting frame fixedly arranged at the inner side of the supporting plate, two pairs of circular holes are arranged in the inside of the mounting frame, a connecting block is arranged in the inside of the mounting frame, a group of insertion holes are arranged in the inside of the connecting block, and an insertion column is slidably arranged through the circular hole and the insertion hole, so as to fix the position of the connecting block, and the outer end of the connecting column and the fixed block are fixedly connected with the connecting block.

[0011] Preferably, one end of the insertion column is internally provided with a limiting hole, and a limiting lock column is slidably arranged in the inside of the limiting hole, so as to fix the insertion column.

[0012] Preferably, a plurality of reinforcing ribs are fixedly arranged at the inner side of the supporting plate, so as to enhance the strength of the supporting plate.

[0013] Preferably, a drainage groove is fixedly arranged at the bottom of the supporting plate, so as to realize drainage.

[0014] The utility model provides a kind of supporting device for deep foundation pit excavation.Compared with prior art, it has the following beneficial effects:

[0015] 1, the supporting device for deep foundation pit excavation, by being provided with dismounting unit, user rotates rotating torsion ring, rotating torsion ring drives threaded sleeve rotation, threaded sleeve rotation drives threaded column to extend, threaded column is moved by dismounting unit and pushes supporting plate, so that supporting plate is extruded on pit wall, to realize support, while being extruded by two supporting plates, so as to improve the stability of supporting plate support.

[0016] 2, the supporting device for deep foundation pit excavation, by being provided with telescopic unit, connecting block is inserted into the inside of mounting frame, by insertion column insertion circular hole and insertion hole inside, so as to facilitate the dismounting of device, and by limiting lock column insertion limiting hole inside, so as to realize the fixation of insertion column. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the right view solid structure diagram of the utility model;

[0018] Figure 2 It is the supporting plate solid structure diagram of the utility model;

[0019] Figure 3The utility model discloses a support mechanism split solid structure diagram;

[0020] Figure 4 The utility model discloses a telescopic unit sectional solid structure diagram.

[0021] In the drawing: 1 - support board, 2 - support mechanism, 21 - dismounting unit, 211 - mounting frame, 212 - round hole, 213 - connecting block, 214 - jack, 215 - jack post, 216 - limit hole, 217 - limit lock post, 22 - telescopic unit, 221 - connecting post, 222 - threaded sleeve, 223 - threaded post, 224 - rotary torsion ring, 225 - fixed block, 3 - reinforcing rib, 4 - drainage groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A support device for deep foundation pit excavation, including a group of support boards 1, the inner side of support board 1 is provided with a group of support mechanisms 2 for supporting support board 1, and the support mechanism 2 includes:

[0025] Dismounting unit 21 is arranged on the inner side of support board 1 and is used for connecting support board 1 and support mechanism 2.

[0026] Telescopic unit 22 is arranged on the inner side of dismounting unit 21 and includes connecting post 221, one end of connecting post 221 is rotatably installed with threaded sleeve 222, threaded sleeve 222 is rotatably installed with threaded post 223 in the inside thread, and the telescopic movement of threaded post 223 in threaded sleeve 222 is realized by the rotation of threaded sleeve 222, so that support board 1 is supported.

[0027] The user rotates rotary torsion ring 224, and rotary torsion ring 224 drives threaded sleeve 222 to rotate, threaded sleeve 222 rotates and drives threaded post 223 to extend, threaded post 223 moves support board 1 through dismounting unit 21, and support board 1 is pressed on the pit wall, so that the support is realized, and the stability of support board 1 is improved by the mutual pressing of the two support boards 1.

[0028] One end of the threaded column 223 is fixedly installed with a fixed block 225, and the surface of the threaded sleeve 222 is fixedly installed with a rotating torsion ring 224.

[0029] In this embodiment, the dismounting unit 21 comprises a mounting frame 211 fixedly installed on the inner side of the support plate 1, two pairs of circular holes 212 are formed in the inner side of the mounting frame 211, a connecting block 213 is insertedly installed in the inner side of the mounting frame 211, a group of insertion holes 214 are formed in the inner side of the connecting block 213, and an insertion column 215 is slidingly inserted through the circular holes 212 and the insertion holes 214 to fix the position of the connecting block 213, and the outer end of the connecting column 221 and the fixed block 225 are fixedly connected with the connecting block 213.

[0030] The connecting block 213 is inserted into the inner side of the mounting frame 211, and the insertion column 215 is inserted into the circular holes 212 and the insertion holes 214, so that the device can be disassembled.

[0031] In this embodiment, a limiting hole 216 is formed in one end of the insertion column 215, and a limiting lock column 217 is slidingly inserted into the limiting hole 216 to fix the insertion column 215.

[0032] And the limiting lock column 217 is inserted into the limiting hole 216 to fix the insertion column 215.

[0033] In this embodiment, a plurality of reinforcing ribs 3 are fixedly installed on the inner side of the support plate 1 to strengthen the strength of the support plate 1.

[0034] The plurality of reinforcing ribs 3 are fixedly installed on the inner side of the support plate 1 to strengthen the strength of the support plate 1.

[0035] In this embodiment, a drainage groove 4 is fixedly installed on the bottom of the support plate 1 to realize drainage.

[0036] The drainage groove 4 is fixedly installed on the bottom of the support plate 1 to realize the drainage function.

[0037] Meanwhile, the contents not described in detail in this specification all belong to the prior art known by those skilled in the art.

[0038] In operation, first, 13 is inserted into the inner side of the mounting frame 211, the insertion column 215 is inserted into the circular holes 212 and the insertion holes 214, and the limiting lock column 217 is inserted into the limiting hole 216 to fix the insertion column 215;

[0039] Then, the device is placed inside the deep foundation pit, the user rotates the rotating torsion ring 224 to drive the threaded sleeve 222 to rotate, the threaded sleeve 222 drives the threaded column 223 to extend, the threaded column 223 drives the supporting plate 1 to move through the disassembly and assembly unit 21, the supporting plate 1 is pressed on the pit wall, and the two supporting plates 1 are pressed on each other to complete the supporting.

[0040] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or device.

[0041] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A support device for deep foundation pit excavation, comprising a set of support plates (1), characterized in that: The inner side of the support plate (1) is provided with a set of supporting mechanisms (2) for supporting the support plate (1), and the supporting mechanisms (2) comprise: The dismounting unit (21) is arranged on the inner side of the support plate (1) and is used for connecting the support plate (1) and the supporting mechanisms (2); The telescopic unit (22) is arranged on the inner side of the dismounting unit (21) and comprises a connecting column (221), one end of the connecting column (221) is rotatably provided with a threaded sleeve (222), the inside of the threaded sleeve (222) is rotatably provided with a threaded column (223), the threaded column (223) is telescopic in the threaded sleeve (222) by rotating the threaded sleeve (222), so as to support the support plate (1).

2. The supporting device for deep foundation pit excavation according to claim 1, characterized in that: One end of the threaded column (223) is fixedly provided with a fixed block (225), and the surface of the threaded sleeve (222) is fixedly provided with a rotating torsion ring (224).

3. The supporting device for deep foundation pit excavation according to claim 2, characterized in that: The dismounting unit (21) comprises a mounting frame (211) fixedly arranged on the inner side of the support plate (1), the inside of the mounting frame (211) is provided with two pairs of circular holes (212), the inside of the mounting frame (211) is insertedly provided with a connecting block (213), the inside of the connecting block (213) is provided with a set of insertion holes (214), and an insertion column (215) is slidingly penetrated through the circular holes (212) and the insertion holes (214), so as to fix the position of the connecting block (213), and the outer ends of the connecting column (221) and the fixed block (225) are fixedly connected with the connecting block (213).

4. The supporting device for deep foundation pit excavation according to claim 3, characterized in that: One end of the insertion column (215) is internally provided with a limiting hole (216), and the limiting hole (216) is slidingly insertedly provided with a limiting lock column (217) for fixing the insertion column (215).

5. The supporting device for deep foundation pit excavation according to claim 1, characterized in that: The inner side of the support plate (1) is fixedly provided with a plurality of reinforcing ribs (3) for reinforcing the strength of the support plate (1).

6. The supporting device for deep foundation pit excavation according to claim 1, characterized in that: The bottom of the support plate (1) is fixedly provided with a drainage groove (4) for realizing drainage.

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