Weak current in-situ protection device crossing above subway foundation pit

Abstract

The utility model relates to the field of weak current in-situ protection devices, in particular to a weak current in-situ protection device crossing over a subway foundation pit. Comprising a plurality of I-beams, weak current pipelines are arranged in the I-beams, cover plates are clamped to the surfaces of the I-beams, the I-beams are connected end to end, connecting structures are arranged on the lower surfaces of the I-beams and comprise fixing plates and connecting plates, the fixing plates are fixedly connected with the I-beams, and the connecting plates are fixedly connected with the I-beams. The connecting plate is fixedly connected with the I-shaped steel, an auxiliary groove is formed in the inner wall of the fixing plate, two moving plates are slidably connected to the inner wall of the auxiliary groove, and limiting blocks are fixedly connected to the sides, away from each other, of the two moving plates. The weak current in-situ protection device crossing the upper portion of the metro foundation pit overcomes the defects that due to the fact that the metro foundation pit is long, the process that a worker welds a plurality of I-shaped steel and then conducts installation is very troublesome, and then the working efficiency of the worker is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to weak current in situ protection device field especially relates to a weak current in situ protection device that straddles subway foundation pit top. BACKGROUND

[0002] Weak current in situ protection device, it is by weak current pipeline, apron and I -beam constitute, it is mainly used to protect weak current in situ one kind of weak current in situ protection device that straddles subway foundation pit top, in prior art is more common.

[0003] Prior art such as the utility model with publication no. CN218386720U, this patent discloses a kind of weak current in situ protection device that straddles subway foundation pit top, the patent adopts I -beam and the iron skin protection cover of inverted concave character composition, I -beam is placed in the way of web upwards straddling on foundation pit crown beam, flange plate part is embedded in crown beam to ensure its lateral stability, weak electric pipe is placed in I -beam web recess, protection cover is connected and installed on I -beam to protect weak electric pipeline and solve the problem of main road intersection section, underground pipeline is more complex, pipeline protection is not strong in construction process will cause great influence to the life of citizen.

[0004] In daily work, it is found that the weak current in situ protection device that straddles subway foundation pit top in the above process exists due to the length of subway foundation pit is longer, personnel in the use of the above protection device to weak electric pipeline is protected, need personnel to weld multiple I -beams together to carry out normal use, since personnel in the process of welding multiple I -beams is very tedious, and then can lead to the problem of low work efficiency of personnel.

[0005] Therefore, it is necessary to provide a kind of weak current in situ protection device that straddles subway foundation pit top to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the length of subway foundation pit is longer in prior art, personnel in the process of welding multiple I -beams and then installing is very tedious, and then can lead to the problem of low work efficiency of personnel, and a kind of weak current in situ protection device that straddles subway foundation pit top is proposed.

[0007] The utility model provides a weak current in -situ protection device of crossing subway foundation pit upper side, include: a plurality of I -shaped steel, a plurality of weak current pipeline are equipped with in the inside of I -shaped steel, the surface of I -shaped steel is connected with the apron, a plurality of I -shaped steel head -to -tail connection, the lower surface of I -shaped steel is equipped with connecting structure, the connecting structure includes fixed plate and connecting plate, fixed plate is fixedly connected with I -shaped steel, connecting plate is fixedly connected with I -shaped steel, the inner wall of fixed plate is equipped with auxiliary groove, the inner wall of auxiliary groove is connected with two movable plates of sliding, two movable plates the side away from each other is fixedly connected with limit stop, two movable plates the side close to each other is equipped with spring, the both ends of spring are fixedly connected with movable plate, the inner wall of connecting plate is equipped with connecting groove, the inner wall of connecting plate is equipped with two limit slot, two limit slot with connecting groove is through, and the size of limit slot and limit stop is adapted.

[0008] The above components achieve the following effects: During the protection of the weak current pipeline above the subway foundation pit, the personnel can only transport several I-shaped steels to the construction site, weld them together, and then wrap them around the weak current pipeline for protection due to the long length of the foundation pit. This process is tedious, which can lead to low overall work efficiency. The connection structure can solve this problem. The personnel can first connect two I-shaped steels end-to-end, then move the two movable plates closer to each other, then move the I-shaped steels, slide the two limit stops into the inner wall of the connecting groove, and then release the movable plates until the limit stops slide into the inner wall of the limit slot. This completes the connection of the two I-shaped steels, which can improve the connection speed of the personnel and the work efficiency.

[0009] Preferably, the inner wall of the auxiliary groove is slidably connected with two auxiliary blocks, and the auxiliary blocks are fixedly connected with the movable plates.

[0010] The above components achieve the following effects: The auxiliary blocks can facilitate the movement of the movable plates, improving the operational convenience of the personnel.

[0011] Preferably, the inner wall of the auxiliary groove is fixedly connected with a limit post, and the limit post is slidably connected with the movable plate.

[0012] The above components achieve the following effects: The limit post can limit the movable plate, preventing it from shifting during sliding in the inner wall of the auxiliary groove.

[0013] Preferably, the movable plate is a stainless steel plate, and the cross section of the movable plate is rectangular.

[0014] The effect achieved by the above components is that the stainless steel plate has high strength and good wear resistance, and can prevent the moving plate from breaking during short-term use.

[0015] Preferably, the inner wall of the connecting groove is fixedly connected with a protective pad.

[0016] The effect achieved by the above components is that the protective pad can protect the connecting groove and the moving plate, and can prevent the side of the moving plate away from the auxiliary groove from contacting the connecting groove.

[0017] Preferably, the inner wall of the connecting plate is provided with an auxiliary structure, the auxiliary structure comprises a connecting groove and a connecting frame, the connecting groove is opened in the connecting plate, the connecting frame is fixedly connected with the connecting plate, the inner wall of the connecting groove is slidably connected with a limiting plate, the inner wall of the connecting frame is threadedly connected with a lead screw, the lead screw is rotatably connected with the limiting plate, one end of the lead screw away from the limiting plate is fixedly connected with a rotating column, and the limiting plate is slidably connected with the connecting groove.

[0018] The effect achieved by the above components is that when the two I-beams are connected through the connecting structure, the rotating column can be rotated by personnel through the auxiliary structure, the limiting plate can slide into the inner wall of the connecting groove, the two moving plates can be limited, and the stability of the connection between the two I-beams can be improved.

[0019] Preferably, the arc surface of the rotating column is provided with a plurality of anti-skid grooves, and the plurality of anti-skid grooves are evenly opened on the arc surface of the rotating column.

[0020] The effect achieved by the above components is that the anti-skid grooves can increase the friction between the hands of personnel and the rotating column, and can prevent personnel from slipping when rotating the rotating column.

[0021] Compared with the related art, the weak current in-situ protection device provided by the utility model has the following beneficial effects:

[0022] The utility model provides a weak current in-situ protection device across the upper portion of subway foundation pit, through setting up connecting structure, when personnel need to connect two I-beams, connecting structure is used to facilitate personnel to connect two I-beams, and then the connection speed of personnel I-beam can be accelerated, and the work efficiency of personnel can be improved.

[0023] Through the auxiliary structure, when the two I-beams are connected through the connecting structure, the two moving plates in the connecting structure can be limited through the auxiliary structure, and the stability of the connection between the two I-beams can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1The utility model provides a kind of weak electric in-situ protection device for crossing subway foundation pit upper structure schematic view;

[0025] Figure 2 For Figure 1 The structure schematic view of the connecting structure shown in the figure;

[0026] Figure 3 For Figure 1 The structure schematic view of the auxiliary structure shown in the figure;

[0027] Figure 4 For Figure 3 The structure schematic view of the local amplification structure shown in the figure.

[0028] Marked number in drawing: 1, weak electric pipeline;2, I-steel;3, connecting structure;301, fixed plate;302, auxiliary groove;303, moving plate;304, limit block;305, limit column;306, spring;307, connecting plate;308, limit groove;309, connecting groove;310, auxiliary block;311, protective pad;4, auxiliary structure;41, link groove;42, limit plate;43, connecting frame;44, screw;45, rotating column;46, antiskid groove;5, cover plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following is further detailed in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0030] The specific implementation of the utility model is described in detail in combination with specific examples.

[0031] Please refer to Figure 1 The utility model embodiment provides a kind of weak electric in-situ protection device for crossing subway foundation pit upper, it includes: several I-steel 2, the inside of several I-steel 2 is equipped with weak electric pipeline 1, the surface of I-steel 2 is clamped with cover plate 5, several I-steel 2 are connected head to tail, the lower surface of I-steel 2 is equipped with connecting structure 3, the inner wall of connecting plate 307 is equipped with auxiliary structure 4.

[0032] In the embodiment of the utility model, please refer to Figure 2The connecting structure 3 comprises a fixed plate 301 and a connecting plate 307, the fixed plate 301 is fixedly connected with the I-shaped steel 2, the connecting plate 307 is fixedly connected with the I-shaped steel 2, an auxiliary groove 302 is formed in the inner wall of the fixed plate 301, two moving plates 303 are slidably connected to the inner wall of the auxiliary groove 302, the side, away from each other, of the two moving plates 303 is fixedly connected with a limiting block 304, the side, close to each other, of the two moving plates 303 is provided with a spring 306, the two ends of the spring 306 are fixedly connected with the moving plates 303 respectively, a connecting groove 309 is formed in the inner wall of the connecting plate 307, two limiting grooves 308 are formed in the inner wall of the connecting plate 307, the two limiting grooves 308 are in communication with the connecting groove 309, and the limiting groove 308 is matched with the limiting block 304 in size. In the process that personnel protect the weak current pipeline 1 above the subway foundation pit, due to the relatively long length of the foundation pit, the personnel can only transport a plurality of I-shaped steels 2 to the construction site, then weld the plurality of I-shaped steels 2 together, and then wrap the weak current pipeline 1 to protect it, since the process of welding the I-shaped steels 2 is relatively cumbersome, the overall work efficiency of the personnel is low, at this time, the connecting structure 3 can solve the problem, through the connecting structure 3, the personnel can first connect two I-shaped steels 2 end to end, then move the two moving plates 303 to be close to each other, then move the I-shaped steels 2, make the two limiting blocks 304 slide into the inner wall of the connecting groove 309, then release the moving plates 303, until the limiting blocks 304 slide into the inner wall of the limiting groove 308, at this time, the connection of the two I-shaped steels 2 is completed, thereby the connection speed of the personnel to the I-shaped steels 2 can be improved, and the work efficiency of the personnel can be improved, the inner wall of the auxiliary groove 302 is slidably connected with two auxiliary blocks 310, the auxiliary blocks 310 are fixedly connected with the moving plates 303. The auxiliary blocks 310 can facilitate the personnel to move the moving plates 303, and the operation convenience of the personnel can be improved, the inner wall of the auxiliary groove 302 is fixedly connected with a limiting column 305, and the limiting column 305 is slidably connected with the moving plates 303. The limiting column 305 can limit the moving plates 303, and can prevent the moving plates 303 from being dislocated during the sliding process in the inner wall of the auxiliary groove 302, the moving plates 303 are stainless steel plates, and the cross section of the moving plates 303 is rectangular. The stainless steel plate has high strength and good wear resistance, and can prevent the moving plates 303 from being broken during short-term use, and the inner wall of the connecting groove 309 is fixedly connected with a protection pad 311. The protection pad 311 can protect the connecting groove 309 and the moving plates 303, and can prevent the side, away from the auxiliary groove 302, of the moving plates 303 from contacting the connecting groove 309;

[0033] In the embodiment of the utility model, please refer to Figure 3 and Figure 4The auxiliary structure 4 comprises a connecting groove 41 and a connecting frame 43, the connecting groove 41 is arranged on the connecting plate 307, the connecting frame 43 is fixedly connected with the connecting plate 307, the inner wall of the connecting groove 41 is slidably connected with a limiting plate 42, the inner wall of the connecting frame 43 is threadedly connected with a lead screw 44, the lead screw 44 is rotatably connected with the limiting plate 42, one end of the lead screw 44 away from the limiting plate 42 is fixedly connected with a rotating column 45, and the limiting plate 42 is slidably connected with the connecting groove 309. After the two I-shaped steel 2 are connected together through the connecting structure 3, the rotating column 45 can be rotated by personnel through the auxiliary structure 4, the limiting plate 42 can slide into the inner wall of the connecting groove 309, the two moving plates 303 can be limited, and then the stability of the connection between the two I-shaped steel 2 can be improved. The arc surface of the rotating column 45 is provided with a plurality of anti-skid grooves 46, and the plurality of anti-skid grooves 46 are evenly arranged on the arc surface of the rotating column 45. The anti-skid grooves 46 can increase the friction between the hands of personnel and the rotating column 45, and can prevent personnel from slipping when rotating the rotating column 45.

[0034] The working principle of the weak current in-situ protection device provided by the utility model which crosses above the subway foundation pit is as follows: when personnel need to connect the I-shaped steel 2, the personnel can first place two I-shaped steels 2 end to end, then the personnel moves two auxiliary blocks 310 to move the two auxiliary blocks 310 in the direction of approaching each other, wherein the auxiliary block 310 can facilitate the personnel to move the moving plate 303, and the operation convenience of the personnel can be improved, then the two auxiliary blocks 310 drive the moving plate 303 to move in the direction of approaching each other, the two moving plates 303 drive the spring 306 to contract, and the two moving plates 303 also drive the limiting block 304 to move in the direction of approaching each other, wherein the moving plate 303 is a stainless steel plate, the stainless steel plate has high strength and good wear resistance, and the moving plate 303 can be prevented from being broken in the short-term use process, then the two moving plates 303 also slide on the arc surface of the limiting column 305, wherein the limiting column 305 can limit the moving plate 303, and the moving plate 303 can be prevented from being dislocated in the sliding process on the inner wall of the auxiliary groove 302, until the distance between the two limiting blocks 304 is less than the connecting groove 309, at this time the personnel moves one of the I-shaped steels 2 to move the I-shaped steel 2 in the direction of approaching the other I-shaped steel 2, until the two moving plates 303 and the two limiting blocks 304 slide into the inner wall of the connecting groove 309, and the two moving plates 303 abut against the protection pad 311, wherein the protection pad 311 can protect the connecting groove 309 and the moving plate 303, and the moving plate 303 can be prevented from contacting between the side away from the auxiliary groove 302 and the connecting groove 309, then the personnel releases the two auxiliary blocks 310, at this time the spring 306 rebounds to drive the two moving plates 303 to move in the direction of moving away from each other, the two moving plates 303 drive the limiting block 304 to move in the direction of moving away from each other, until the limiting block 304 slides into the inner wall of the limiting groove 308.

[0035] When the personnel connects the two I-shaped steels 2 through the connecting structure 3, the personnel rotates the screw rod 44 by means of the rotating column 45, drives the screw rod 44 to move in the direction of approaching the connecting groove 41, wherein the anti-skid groove 46 formed in the arc surface of the rotating column 45 can increase the friction between the hands of the personnel and the rotating column 45, and can prevent the personnel from slipping when rotating the rotating column 45, then the screw rod 44 drives the limiting plate 42 to move in the direction of moving away from the connecting frame 43, until the limiting plate 42 moves between the two moving plates 303.

[0036] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0037] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A weak current in-situ protection device across above a subway foundation pit, characterized in that, Include: A plurality of I-shaped steel (2), a plurality of weak current pipeline (1) is arranged in the I-shaped steel (2), the surface of the I-shaped steel (2) is clamped with a cover plate (5), a plurality of I-shaped steel (2) is connected head to tail, the lower surface of the I-shaped steel (2) is provided with connecting structure (3), the connecting structure (3) includes fixed plate (301) and connecting plate (307), the fixed plate (301) is fixedly connected with the I-shaped steel (2), the connecting plate (307) is fixedly connected with the I-shaped steel (2), the inner wall of the fixed plate (301) is provided with auxiliary groove (302), the inner wall of the auxiliary groove (302) is slidably connected with two movable plates (303), the side, away from each other, of the two movable plates (303) is fixedly connected with a limiting block (304), the side, close to each other, of the two movable plates (303) is provided with a spring (306), the two ends of the spring (306) are fixedly connected with the movable plate (303), the inner wall of the connecting plate (307) is provided with a connecting groove (309), the inner wall of the connecting plate (307) is provided with two limiting grooves (308), the two limiting grooves (308) are in communication with the connecting groove (309), the limiting groove (308) is matched with the limiting block (304) in size.

2. The weak current in-situ protection device across the subway foundation pit according to claim 1, characterized in that, The inner wall of the auxiliary groove (302) is slidably connected with two auxiliary blocks (310), and the auxiliary blocks (310) are fixedly connected with the movable plates (303).

3. The device for protecting weak electricity in-situ across the subway foundation pit according to claim 1, characterized in that, The inner wall of the auxiliary groove (302) is fixedly connected with a limiting column (305), and the limiting column (305) is slidably connected with the movable plate (303).

4. The device for in-situ protection of weak current across the foundation pit of subway according to claim 1, characterized in that, The movable plate (303) is a stainless steel plate, and the cross section of the movable plate (303) is rectangular.

5. The device for in-situ protection of weak current across the foundation pit of subway according to claim 1, characterized in that, The inner wall of the connecting groove (309) is fixedly connected with a protective pad (311).

6. The device for in-situ protection of weak current across the foundation pit of subway according to claim 1, characterized in that, The inner wall of the connecting plate (307) is provided with an auxiliary structure (4), the auxiliary structure (4) includes a connecting groove (41) and a connecting frame (43), the connecting groove (41) is arranged on the connecting plate (307), the connecting frame (43) is fixedly connected with the connecting plate (307), the inner wall of the connecting groove (41) is slidably connected with a limiting plate (42), the inner wall of the connecting frame (43) is threadedly connected with a lead screw (44), the lead screw (44) is rotatably connected with the limiting plate (42), one end of the lead screw (44), away from the limiting plate (42), is fixedly connected with a rotating column (45), and the limiting plate (42) is slidably connected with the connecting groove (309).

7. A device for in-situ protection of weak electricity across the foundation pit of subway according to claim 6, characterized in that, The arc surface of the rotating column (45) is provided with a plurality of anti-skid grooves (46), and the plurality of anti-skid grooves (46) are evenly arranged on the arc surface of the rotating column (45).

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