Construction device of subway foundation pit support structure

Abstract

The utility model discloses a construction device of a metro foundation pit support structure, which belongs to the technical field of metro foundation pit support structures and comprises a frame, a placing component is arranged in the frame, a ladder stand is arranged on one side of the surface of the frame, a first electric push rod is arranged at the upper end of the frame, and a transverse plate is arranged at the upper end of the first electric push rod. The protective assembly is arranged, the fixing sleeve rod and the fixing inner rod are installed at the upper end of the support in an inserted mode, the height of a protective plate can be adjusted, the protective plate can play an upper shielding role on workers, the workers are prevented from being injured by falling objects, and safety is high; the placing assembly is arranged, the placing box is installed in the frame, the vertical partition plate and the transverse partition plate divide the inner space of the frame, and therefore various tools can be placed in order, carrying is convenient, the protection cushion can achieve the anti-collision protection effect, and the tools are prevented from being collided and damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of subway foundation pit retaining structures, and in particular relates to a construction device for a subway foundation pit retaining structure. Background Art

[0002] Building word category, the method used to develop and utilize underground space, build multi-story basements, underground railways, underground commercial streets and other underground buildings. There are gravity mixing pile retaining walls, underground continuous walls, pile column retaining walls, etc. It is not only necessary to ensure the stability of the foundation pit and the safety and convenience of the pit operation, but also to control the displacement of the soil at the bottom of the pit and outside the pit within a certain range to ensure the normal use of adjacent buildings and municipal facilities.

[0003] Chinese patent application No. 202022610519.5 discloses a construction device for a foundation pit retaining structure, comprising a frame, a ladder is fixedly installed on the right side of the front of the frame, a first electric push rod is fixedly installed at the four corners of the top of the frame, a cross plate is fixedly installed on the top of the first electric push rod, and a placement rack is fixedly installed on the left side of the top of the cross plate; the utility model is used for the construction device of the foundation pit retaining structure through the arrangement of a frame, a ladder, a first electric push rod, a cross plate, a placement rack, a guardrail, a bracket, an axle rod, a motor, a winding wheel, a rope and fixings, which has the purpose of facilitating construction and solves the problem that the existing foundation pit retaining is generally constructed by building construction fences, while some relatively short foundation pit fences are generally constructed by ladders during construction, which not only has safety hazards, but also makes it easy to take materials and inconvenient to construct.

[0004] In the above-mentioned public patent, 1. The guardrail can only provide shielding and protection for both sides of the horizontal board. When the workers stand on the horizontal board to carry out construction, there is a lack of shielding on the upper end, and the safety is not high enough; 2. Some tools needed for construction are not convenient to carry and need to be stored. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a construction device for a subway foundation pit retaining structure, which has the characteristics of high safety and convenient placement of tools.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction device for a subway foundation pit retaining structure, comprising a frame, a placing component is arranged inside the frame, a ladder is arranged on one side of the frame surface, a first electric push rod is arranged on the upper end of the frame, a cross plate is arranged on the upper end of the first electric push rod, a placing frame is arranged on one side of the upper end of the cross plate, a guardrail is arranged on the other side of the upper end of the cross plate, a bracket is arranged on one side of the guardrail, a protective component is arranged on the upper end of the bracket, a feeding structure is arranged inside the bracket, a second electric push rod is arranged on the lower end of the frame, and a weight block is arranged on the lower end of the second electric push rod.

[0007] Preferably, the protective assembly includes a fixed sleeve rod, a protective plate, a fixed inner rod and a fixed groove, wherein a fixed groove is provided inside the bracket, a fixed sleeve rod is provided inside the fixed groove, a fixed inner rod is provided at the upper end of the fixed sleeve rod, and a protective plate is provided at the upper end of the fixed inner rod.

[0008] Preferably, the protection component further includes a buffer pad and a protection layer, wherein the buffer pad is arranged on the upper end of the protection plate, and the protection layer is arranged on the upper end of the buffer pad.

[0009] Preferably, an auxiliary structure is arranged between the fixed sleeve rod and the bracket, the auxiliary structure comprising a positioning rod, a positioning groove and an anti-collision pad, wherein a positioning rod is arranged inside the fixed groove, a positioning groove is arranged inside the fixed sleeve rod at a position corresponding to the positioning rod, and an anti-collision pad is arranged on the upper end of the positioning rod.

[0010] Preferably, the placement component includes a placement box, a protective layer and a transverse partition, wherein the placement box is arranged inside the frame, a transverse partition is arranged in the middle of the placement box, and protective layers are arranged on the upper end of the bottom plate of the placement box and the upper end of the transverse partition.

[0011] Preferably, the placement component further comprises a protective cushion and a vertical partition, wherein the placement box, the protective layer and the surface of the transverse partition are provided with a protective cushion, and the surface of the protective cushion is provided with a vertical partition.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a protection component, so that the upper end of the bracket is plugged and installed with a fixed sleeve rod, and the fixed inner rod can adjust the height of the protection plate, so that the protection plate can play an upper shielding role for the staff, preventing the staff from being hit by falling objects, and having higher safety.

[0014] 2. The utility model is provided with a placement component, so that a placement box is installed in the frame, and the vertical partitions and the horizontal partitions divide the internal space, so that a variety of tools can be neatly placed, which is convenient to carry, and the protective cushion can play an anti-collision protection effect to prevent the tools from being damaged by bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the protection component of the utility model;

[0018] Figure 4 This is the front view of the placement component of the utility model;

[0019] In the figure: 1. placement rack; 2. horizontal board; 3. first electric push rod; 4. frame; 5. placement assembly; 51. placement box; 52. protective cushion; 53. protective layer; 54. vertical partition; 55. horizontal partition; 6. ladder; 7. guardrail; 8. bracket; 9. protection assembly; 91. fixed sleeve rod; 92. protective plate; 93. fixed inner rod; 94. buffer pad; 95. fixed groove; 96. auxiliary structure; 961. positioning rod; 962. positioning groove; 963. anti-collision pad; 97. protective layer; 10. feeding structure; 11. load-bearing block; 12. second electric push rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a construction device for a subway foundation pit retaining structure, comprising a frame 4, a placement component 5 is arranged inside the frame 4, a ladder 6 is arranged on one side of the surface of the frame 4, a first electric push rod 3 is arranged on the upper end of the frame 4, a cross plate 2 is arranged on the upper end of the first electric push rod 3, a placement frame 1 is arranged on one side of the upper end of the cross plate 2, a guardrail 7 is arranged on the other side of the upper end of the cross plate 2, a bracket 8 is arranged on one side of the guardrail 7, a protection component 9 is arranged on the upper end of the bracket 8, a feeding structure 10 is arranged inside the bracket 8, a second electric push rod 12 is arranged on the lower end of the frame 4, and a load-bearing block 11 is arranged on the lower end of the second electric push rod 12.

[0023] Specifically, the protection assembly 9 includes a fixed sleeve rod 91, a protection plate 92, a fixed inner rod 93 and a fixed groove 95, wherein the bracket 8 is provided with a fixed groove 95, the fixed sleeve rod 91 is provided inside the fixed groove 95, the fixed sleeve rod 91 is provided with a fixed inner rod 93 at the upper end thereof, and the fixed inner rod 93 is provided with a protection plate 92 at the upper end thereof.

[0024] By adopting the above technical solution, the fixed sleeve rod 91 is inserted into the fixed groove 95 and fixed, and the position of the fixed inner rod 93 is adjusted to move the protective plate 92 to a suitable height, which can provide upper shielding for the staff and provide higher safety.

[0025] Specifically, the protection assembly 9 further includes a buffer plate 94 and a protection layer 97, wherein the buffer plate 94 is disposed on the upper end of the protection plate 92, and the protection layer 97 is disposed on the upper end of the buffer plate 94.

[0026] By adopting the above technical solution, the buffer plate 94 can play an anti-collision effect, and the protective layer 97 can prevent the buffer plate 94 from being contaminated and worn.

[0027] Specifically, an auxiliary structure 96 is provided between the fixed sleeve rod 91 and the bracket 8, and the auxiliary structure 96 includes a positioning rod 961, a positioning groove 962 and an anti-collision pad 963, wherein the positioning rod 961 is provided inside the fixed groove 95, the positioning groove 962 is provided inside the fixed sleeve rod 91 at a position corresponding to the positioning rod 961, and the anti-collision pad 963 is provided on the upper end of the positioning rod 961.

[0028] By adopting the above technical solution, the positioning rod 961 is inserted into the positioning groove 962, and the anti-collision pad 963 has a buffering effect, so that the auxiliary structure 96 can limit and stabilize the fixed sleeve rod 91, making it difficult to tilt.

[0029] When this embodiment is used, the frame 4 of the construction device is moved to a suitable position, the second electric push rod 12 is started to push the load-bearing block 11 downward to stabilize the structure of the frame 4, and the staff enters the guardrail 7 through the ladder 6. The first electric push rod 3 is started to push the cross plate 2 to a suitable height, and the feeding structure 10 in the bracket 8 transports the material, and then the material is placed on the placement rack 1, which is convenient for the construction of the subway foundation pit retaining structure. The fixed sleeve rod 91 is inserted into the fixed groove 95 and fixed, and the position of the fixed inner rod 93 is adjusted to move the protective plate 92 to a suitable height, which can provide upper shielding for the staff and has higher safety. The buffer pad 94 can have an anti-collision effect, and the protective layer 97 can prevent the buffer pad 94 from being contaminated and worn. The positioning rod 961 is inserted into the positioning groove 962, and the anti-collision pad 963 has a buffering effect, so that the auxiliary structure 96 can limit and stabilize the fixed sleeve rod 91, so that it is not easy to tilt.

[0030] Example 2

[0031] The difference between this embodiment and the first embodiment is that the placement assembly 5 includes a placement box 51, a protective layer 53 and a transverse partition 55, wherein the placement box 51 is arranged inside the frame 4, the transverse partition 55 is arranged in the middle of the placement box 51, and the upper end of the bottom plate of the placement box 51 and the upper end of the transverse partition 55 are both provided with a protective layer 53.

[0032] By adopting the above technical solution, the tools can be placed inside the storage box 51 and can be conveniently carried. The vertical partition 54 and the horizontal partition 55 can separate the space inside the storage box 51, so that the tools can be placed more neatly.

[0033] Specifically, the placement component 5 further includes a protective cushion 52 and a vertical partition 54, wherein the placement box 51, the protective layer 53 and the horizontal partition 55 are provided with the protective cushion 52, and the protective cushion 52 is provided with the vertical partition 54.

[0034] By adopting the above technical solution, the protective cushion 52 can prevent the tool from being bumped, and the protective layer 53 can prevent the protective cushion 52 from being damaged.

[0035] When this embodiment is used, the tools are placed inside the storage box 51 and can be conveniently carried. The vertical partition 54 and the horizontal partition 55 can separate the space inside the storage box 51 to make the tools more neatly placed. The protective pad 52 can prevent the tools from being bumped, and the protective layer 53 can prevent the protective pad 52 from being damaged.

[0036] The structure and working principle of the first electric push rod 3, the feeding structure 10 composed of a shaft, a motor, a winding wheel, a rope, a fixing part and a protective shell, and the second electric push rod 12 in the utility model have been disclosed in a construction device for a foundation pit retaining structure disclosed in Chinese patent application No. 202022610519.5. The working principle of the first electric push rod 3 and the second electric push rod 12 is that the motor drives a pair of screw nuts after gear reduction to convert the rotational motion of the motor into linear motion, and the push rod action is completed by the forward and reverse rotation of the motor. The working principle of the feeding structure 10 is that the fixing part fixes the required material, and then the motor is turned on through the external controller, the motor drives the shaft to rotate, the shaft drives the winding wheel to rotate, and the rotation of the winding wheel drives the rope to move upward, and the rope drives the fixing part and the material to move upward.

[0037] Working principle and use process of the utility model: When the utility model is used, the frame 4 of the construction device is moved to a suitable position, the second electric push rod 12 is started to push the load block 11 downward to stabilize the structure of the frame 4, the staff enters the guardrail 7 through the ladder 6, the first electric push rod 3 is started to push the cross plate 2 to a suitable height, the feeding structure 10 in the bracket 8 conveys the material, and then the material is placed on the placement rack 1, which is convenient for the construction of the subway foundation pit retaining structure, the fixed sleeve rod 91 is inserted into the fixed groove 95 and fixed, the position of the fixed inner rod 93 is adjusted, and the protective plate 92 is moved to a suitable height, which can be The workers can be shielded from above, which is safer. The buffer pad 94 can have an anti-collision effect. The protective layer 97 can prevent the buffer pad 94 from being contaminated and worn. The positioning rod 961 is inserted into the positioning groove 962, and the anti-collision pad 963 has a buffering effect, so that the auxiliary structure 96 can limit and stabilize the fixed sleeve rod 91, so that it is not easy to tilt; the tools are placed in the storage box 51, which can be conveniently carried. The vertical partition 54 and the horizontal partition 55 can separate the space in the storage box 51, so that the tools can be placed more neatly. The protective cushion 52 can prevent the tools from being bumped, and the protective layer 53 can prevent the protective cushion 52 from being damaged.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction device for a subway foundation pit retaining structure, comprising a frame, characterized in that: A placement component is arranged inside the frame, a ladder is arranged on one side of the frame surface, a first electric push rod is arranged on the upper end of the frame, a cross plate is arranged on the upper end of the first electric push rod, a placement rack is arranged on one side of the upper end of the cross plate, a guardrail is arranged on the other side of the upper end of the cross plate, a bracket is arranged on one side of the guardrail, a protection component is arranged on the upper end of the bracket, a feeding structure is arranged inside the bracket, a second electric push rod is arranged on the lower end of the frame, and a weight block is arranged on the lower end of the second electric push rod.

2. The construction device of a subway foundation pit retaining structure according to claim 1, characterized in that: The protective assembly includes a fixed sleeve rod, a protective plate, a fixed inner rod and a fixed groove, wherein the bracket is provided with a fixed groove inside, the fixed sleeve rod is provided inside the fixed groove, the fixed inner rod is provided at the upper end of the fixed sleeve rod, and the protective plate is provided at the upper end of the fixed inner rod.

3. The construction device of a subway foundation pit retaining structure according to claim 2, characterized in that: The protection component also includes a buffer pad and a protection layer, wherein the buffer pad is arranged on the upper end of the protection plate, and the protection layer is arranged on the upper end of the buffer pad.

4. The construction device of a subway foundation pit retaining structure according to claim 2, characterized in that: An auxiliary structure is arranged between the fixed sleeve rod and the bracket, and the auxiliary structure includes a positioning rod, a positioning groove and an anti-collision pad, wherein a positioning rod is arranged inside the fixed groove, a positioning groove is arranged inside the fixed sleeve rod at a position corresponding to the positioning rod, and an anti-collision pad is arranged on the upper end of the positioning rod.

5. The construction device of a subway foundation pit retaining structure according to claim 1, characterized in that: The placement assembly comprises a placement box, a protective layer and a transverse partition, wherein the placement box is arranged inside the frame, a transverse partition is arranged in the middle of the placement box, and protective layers are arranged on the upper end of the bottom plate of the placement box and the upper end of the transverse partition.

6. The construction device of a subway foundation pit retaining structure according to claim 5, characterized in that: The placement assembly also includes a protective cushion and a vertical partition, wherein the placement box, the protective layer and the surface of the horizontal partition are provided with a protective cushion, and the surface of the protective cushion is provided with a vertical partition.

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