Foundation pit construction support

Abstract

The utility model discloses a foundation pit construction support, which belongs to the technical field of railway engineering, and comprises symmetrical support plates, a fixing mechanism and a fastening device, when the foundation pit construction support is used, a plurality of support plates and support legs are arranged at a certain distance, and anchor screws are inserted into insertion holes outside the support legs on two sides to be connected with the ground; in an initial state, the first connecting plate and the second connecting plate are overlapped, and when in use, the first connecting plate and the second connecting plate are separated by a certain angle, so that the inserting blocks on the two sides are inserted into the upper part of the partition adjacent to the corresponding grooves, and the top between the first connecting plate and the second connecting plate is pressed downwards, so that the first connecting plate and the second connecting plate are parallel; the inclined faces on the elastic columns on the two sides contract inwards through the inner walls of the grooves when the elastic columns are parallel and extend outwards to fix the fixing mechanism after reaching the through holes, installation is more convenient, and when the distance between the supporting plates on the two sides is too large, the first connecting plate and the second connecting plate can be installed at a certain angle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to railway engineering technical field, specifically, relate to a foundation pit construction support. BACKGROUND

[0002] The foundation pit is often used in railway engineering, in the foundation pit operation, in order to guarantee the safety of staff, needs to build some construction support, along with the continuous development of construction industry, different kinds of anti -fall building construction support appear on the market, and the anti -fall building construction support includes construction support main part and guardrail.

[0003] Through the retrieval, prior art, patent application number: 202120264867.3 discloses a railway engineering foundation pit construction support, by setting up support rod, when a kind of railway engineering foundation pit construction support is used, first, fixed mechanism is fixedly connected on first connecting block, gripping mechanism is fixedly connected with protective net, then reinforcing structure is fixed on second connecting block, then gripping mechanism is slidably inserted in first connecting hole, gripping mechanism is nailed into deep land, the device has the effect of reinforcing guardrail in construction support;By setting fixed mechanism, when fixed mechanism is used, first, first connecting slot in first connecting rod is sleeved on first connecting block, second connecting hole and third connecting hole are aligned, then screw is slidably inserted in second connecting hole and third connecting hole, then nut is screw-connected on screw, the device has the effect of reinforcing guardrail in construction support.

[0004] The above technical scheme still has the following defects: the length of connecting rod is mostly fixed, which will lead to the inability to adjust the distance between the two side support rods according to the actual situation, resulting in the need to customize the connecting rod, making the installation and disassembly extremely inconvenient. UTILITY MODEL CONTENTS

[0005] In view of the fact that the length of the existing connecting rod is mostly fixed, which will lead to the inability to adjust the distance between the two side support rods according to the actual situation, resulting in the need to customize the connecting rod, making the installation and disassembly extremely inconvenient, the utility model provides a foundation pit construction support, which comprises symmetrical support plates, a plurality of fixed mechanisms are inserted between the two side support plates, and a fastening device is movably installed on the position close to the bottom between the two side support plates, and the assembly is used in cooperation to effectively solve the above problems.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] A foundation pit construction support, comprising symmetrical support plates, a plurality of fixed mechanisms are inserted between the two side support plates, and a fastening device is movably installed on the position close to the bottom between the two side support plates.

[0008] Specifically, the fixing mechanism can be more convenient to install and disassemble and can adjust the distance between the two side support plates, and the protective net can be fixed by the fastening device cooperating with the fixing mechanism.

[0009] Further, the bottom of the two side support plates is fixedly connected with support feet, the upper end of the two side support feet is provided with symmetrical insertion holes near the two sides of the support plate, the left and right side walls of each support plate are provided with symmetrical grooves, and the inside of each groove is fixedly connected with multiple partitions.

[0010] Specifically, the two insertion holes outside the two side support feet are used to connect with the ground, the two insertion holes inside the two side support feet are used to connect with the installation fastening device, the groove inside the two side support plates divided by the partitions is used to install the fixing mechanism, and the through hole inside each partition is used to install the fixing mechanism.

[0011] Further, the fixing mechanism comprises a first connecting plate and a second connecting plate, one end of the first connecting plate is fixedly connected with a rotating shaft near the bottom, the rotating shaft is rotatably connected with the side of the second connecting plate near the bottom, the side wall of the rotating shaft is fixedly connected with a spring near the rotating shaft, the other end of the spring is fixedly connected with the outer wall of the rotating shaft, a plurality of first threaded holes are arranged on the first connecting plate and the second connecting plate, symmetrical insertion blocks are fixedly connected to the opposite ends of the first connecting plate and the second connecting plate, symmetrical elastic columns are elastically connected to the front surfaces of the two insertion blocks, symmetrical inclined surfaces are arranged on the outer walls of the opposite ends of the two elastic columns, and symmetrical through grooves are arranged on the upper ends of the first connecting plate and the second connecting plate.

[0012] Specifically, the spring can make the first connecting plate and the second connecting plate have a folding force, the through groove is used to pass through the protective net, and the first threaded hole is used to fix the protective net.

[0013] Further, the fastening device comprises a first U-shaped block, the inside of the first U-shaped block is slidably connected with a second U-shaped block, a plurality of symmetrical second threaded holes are arranged on the first U-shaped block and the second U-shaped block, and a third threaded hole is arranged on the inner bottom of the first U-shaped block and the second U-shaped block.

[0014] Specifically, the first connecting plate and the second connecting plate are inserted into the bottom of the protective net, and the protective net is fixed by connecting bolts in the plurality of first threaded holes.

[0015] Further, the two insertion blocks are inserted into the grooves on the opposite surfaces of the two side support plates, and the two elastic columns are inserted into the through holes in the two partitions.

[0016] Further, the first U-shaped block and the second U-shaped block are installed above the two side supporting feet near the inside, and the third threaded hole in the inside of the first U-shaped block and the second U-shaped block is inserted into the threaded hole of the two side supporting feet near the inside and is fixed by screwing.

[0017] Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] (1) In the utility model, when in use, the multiple supporting plates and supporting feet are set at a distance, the ground screw is inserted into the threaded hole outside the two side supporting feet and is connected with the ground, the first connecting plate and the second connecting plate are overlapped in the initial state, the first connecting plate and the second connecting plate are separated by a certain angle when in use, the two side insertion blocks are inserted into the upper part of the adjacent partition of the corresponding groove, the top between the first connecting plate and the second connecting plate is pressed downward, the first connecting plate and the second connecting plate are parallel, the inclined surface on the two side elastic columns is retracted inwardly through the inner wall of the groove, and the fixed mechanism is fixed after the through hole is reached, so that the installation is more convenient, and the distance between the two side supporting plates can make the first connecting plate and the second connecting plate be installed at a certain angle, and the distance between the supporting plates can be adjusted according to the actual situation.

[0020] (2) In the utility model, after the fixed mechanism is installed, the protective net is inserted into the through slot on the uppermost fixed mechanism and the lower end is inserted into the inside of the first U-shaped block and the second U-shaped block, the connecting bolt in the first threaded hole of each fixed mechanism fixes the protective net, and the lower end of the protective net is fixed by the bolt in the second threaded hole, so that the installation of the protective net is more convenient.

[0021] (3) In the utility model, the first U-shaped block and the second threaded hole are connected in an extension mode, and the distance between the two side supporting plates can be adjusted; when the fixed mechanism is disassembled, a circular tool is inserted into the elastic column at one end of each fixed mechanism, the elastic column is pressed inwardly, and the adjacent first connecting plate or second connecting plate is lifted by hand, so that the disassembly is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a foundation pit construction support structure schematic view in the utility model;

[0023] Fig. 2 It is a fixed mechanism structure schematic view in the utility model;

[0024] Fig. 3 It is a fastening device structure schematic view in the utility model.

[0025] The corresponding relationship between the annotations of the drawings and the component names in the drawings is as follows:

[0026] 1. Support plate; 101. Groove; 102. Partition; 103. Through hole; 104. Jack; 105. Support foot;

[0027] 2. Fixing mechanism; 201. First connecting plate; 202. Second connecting plate; 203. Rotating shaft; 204. Spring;

[0028] 205, plug block; 206, elastic column; 207, inclined surface; 208, first threaded hole; 209, through slot;

[0029] 3. Fastening device; 301. First U-shaped block; 302. Second U-shaped block; 303. Second threaded hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example

[0032] like Figs. 1-3 As shown, it is a schematic diagram of the structure of a foundation pit construction support according to a preferred embodiment of the present invention. A foundation pit construction support in this embodiment includes symmetrical support plates 1, multiple fixing mechanisms 2 are inserted between the support plates 1 on both sides, and a fastening device 3 is movably installed near the bottom between the support plates 1 on both sides.

[0033] Specifically, the fixing mechanism 2 can be used to facilitate installation and disassembly and to adjust the distance between the support plates 1 on both sides. The fastening device 3 cooperates with the fixing mechanism 2 to fix the protective net.

[0034] Furthermore, the bottom of the support plates 1 on both sides are fixedly connected with support feet 105, and the upper ends of the support feet 105 on both sides are provided with symmetrical sockets 104 near the two sides of the support plates 1, and the left and right side walls of each support plate 1 are provided with symmetrical grooves 101, and the interior of each groove 101 is fixedly connected with multiple partitions 102, and a through hole 103 is provided near the front inside the groove 101 divided by each partition 102.

[0035] Specifically, two insertion holes 104 outside the two side support feet 105 are used for connecting with the ground, two insertion holes 104 inside the two side support feet 105 are used for connecting with the mounting fastening device 3, the recesses 101 inside the two side support plates 1 are used for installing the fixing mechanism 2, and the through holes 103 inside each partition 102 are used for installing the fixing mechanism 2.

[0036] Further, the fixing mechanism 2 comprises a first connecting plate 201 and a second connecting plate 202, one end of the first connecting plate 201 is fixedly connected with a rotating shaft 203 near the bottom, the outer wall of the rotating shaft 203 is rotatably connected with one side of the second connecting plate 202 near the bottom, the inner wall of one side of the second connecting plate 202 near the rotating shaft 203 is fixedly connected with a spring 204, the other end of the spring 204 is fixedly connected with the outer wall of the rotating shaft 203, a plurality of first threaded holes 208 are arranged on the first connecting plate 201 and the second connecting plate 202, and symmetrically arranged insertion blocks 205 are fixedly connected to the opposite ends of the first connecting plate 201 and the second connecting plate 202. The front surfaces of the two insertion blocks 205 are elastically and flexibly connected with symmetrically arranged elastic columns 206, the outer walls of the opposite ends of the two elastic columns 206 are provided with symmetrically arranged inclined surfaces 207, and the upper ends of the first connecting plate 201 and the second connecting plate 202 are provided with symmetrically arranged through grooves 209.

[0037] Specifically, the first connecting plate 201 and the second connecting plate 202 can be folded by the spring 204, the through grooves 209 are used for passing through the protective net, and the first threaded holes 208 are used for fixing the protective net.

[0038] Further, the fastening device 3 comprises a first U-shaped block 301, a second U-shaped block 302 is slidably connected inside the first U-shaped block 301, a plurality of symmetrically arranged second threaded holes 303 are arranged on the first U-shaped block 301 and the second U-shaped block 302, and third threaded holes are arranged on the inner bottom of the first U-shaped block 301 and the second U-shaped block 302.

[0039] Specifically, the protective net is inserted into the bottom of the first connecting plate 201 and the second connecting plate 202, and the protective net is fixed by connecting bolts inside the plurality of first threaded holes 208.

[0040] Further, the two insertion blocks 205 are inserted into the recesses 101 inside the opposite surfaces of the two side support plates 1, and the two elastic columns 206 are inserted into the through holes 103 inside the two partitions 102.

[0041] Further, the first U-shaped block 301 and the second U-shaped block 302 are installed above the inner sides of the two side support feet 105, and the third threaded holes inside the first U-shaped block 301 and the second U-shaped block 302 are inserted into the insertion holes 104 of the two side support feet 105 near the inner sides and are threadedly connected and fixed.

[0042] Working principle: in use, a plurality of support plates 1 and support feet 105 are set at a distance, the ground screw is inserted into the hole 104 outside the two side support feet 105 and connected with the ground, in the initial state, the first connecting plate 201 and the second connecting plate 202 overlap, in use, the first connecting plate 201 and the second connecting plate 202 are pried open at a certain angle, so that the two side insertion blocks 205 are inserted into the upper part of the adjacent partition 102 corresponding to the recess 101, and the top between the first connecting plate 201 and the second connecting plate 202 is pressed downward, so that the first connecting plate 201 and the second connecting plate 202 are parallel, when parallel, the inclined surface 207 on the two side elastic columns 206 shrinks inward through the inner wall of the recess 101, and after reaching the through hole 103, it extends outward to fix the fixing mechanism 2, so that the installation is more convenient, and when the distance between the two support plates 1 is changed, the first connecting plate 201 and the second connecting plate 202 can be installed at a certain angle, and the distance between the support plates 1 can be adjusted according to the actual situation; after the fixing mechanism 2 is installed, the protective net is inserted from the uppermost through slot 209 on the fixing mechanism 2 and the lower end is inserted into the inside of the first U-shaped block 301 and the second U-shaped block 302, the connecting bolt in the first threaded hole 208 on each fixing mechanism 2 fixes the protective net, and the bolt in each second threaded hole 303 also fixes the lower end of the protective net, so that the installation of the protective net is more convenient; the telescopic connection of the first U-shaped block 301 and the second threaded hole 303 can be adjusted according to the distance between the two support plates 1; when disassembling the fixing mechanism 2, the circular tool is inserted into the elastic column 206 at one end of each fixing mechanism 2, the elastic column 206 is pressed inward, and the adjacent first connecting plate 201 or second connecting plate 202 is lifted by hand, so that the disassembly is more convenient.

[0043] The above is a further detailed description of the present application in combination with the specific embodiments, which cannot be regarded as limiting the specific embodiments of the present application to these descriptions. For ordinary skilled in the art to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection scope determined by the claims of the present application.

Claims

1. A foundation pit construction support, characterized by: The invention comprises a symmetrical support plate (1), a plurality of fixing mechanisms (2) are inserted between the two support plates (1), a fastening device (3) is movably installed at a position near the bottom between the two support plates (1), the fixing mechanism (2) comprises a first connecting plate (201) and a second connecting plate (202), one end of the first connecting plate (201) is fixedly connected to a rotating shaft (203) at a position near the bottom, the outer wall of the rotating shaft (203) is rotatably connected to a side of the second connecting plate (202) near the bottom, and the inner wall of the second connecting plate (202) near the rotating shaft (203) is fixedly connected to a spring (204). The other end of the spring (204) is fixedly connected to the outer wall of the rotating shaft (203), a plurality of first threaded holes (208) are provided on the first connecting plate (201) and the second connecting plate (202), symmetrical plug blocks (205) are fixedly connected to the opposite ends of the first connecting plate (201) and the second connecting plate (202), and the front ends of the plug blocks (205) on both sides are elastically and telescopically connected to symmetrical elastic columns (206), and the outer walls of the opposite ends of the elastic columns (206) on both sides are provided with symmetrical inclined surfaces (207), and the upper ends of the first connecting plate (201) and the second connecting plate (202) are provided with symmetrical through grooves (209).

2. A foundation pit construction support according to claim 1, characterized in that: The fastening device (3) comprises a first U-shaped block (301), the interior of the first U-shaped block (301) is slidably connected to a second U-shaped block (302), a plurality of symmetrical second threaded holes (303) are provided on the first U-shaped block (301) and the second U-shaped block (302), and a third threaded hole is provided on the inner bottom of the first U-shaped block (301) and the second U-shaped block (302).

3. A foundation pit construction support according to claim 2, characterized in that: The bottoms of the support plates (1) on both sides are fixedly connected with support feet (105), and the upper ends of the support feet (105) on both sides are provided with symmetrical sockets (104) near the two sides of the support plates (1). The left and right side walls of each support plate (1) are provided with symmetrical grooves (101), and the interior of each groove (101) is fixedly connected with a plurality of partitions (102), and a through hole (103) is provided at a position near the front of the interior of the groove (101) divided by each partition (102).

4. A foundation pit construction support according to claim 3, characterized in that: The insert blocks (205) on both sides are inserted into the grooves (101) on the opposite sides of the support plates (1), and the elastic columns (206) on both sides are inserted into the through holes (103) inside the partitions (102) on both sides.

5. The foundation pit construction support according to claim 4, characterized in that: The first U-shaped block (301) and the second U-shaped block (302) are installed above the supporting legs (105) on both sides, and bolts are inserted into the third threaded holes inside the first U-shaped block (301) and the second U-shaped block (302) to be threadedly connected and fixed with the jacks (104) on the supporting legs (105) on both sides.

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