Top plate support for subway station

Abstract

The utility model discloses a subway station top plate support, and belongs to the field of building construction.The subway station top plate support comprises a bottom plate, a square pipe is fixedly installed at the top of the bottom plate, a sliding pipe is slidably installed on the inner wall of the square pipe, a plurality of inserting holes are formed in the inner wall of the sliding pipe in a penetrating mode, and bolts are inserted into the inner walls of the inserting holes; a stud is slidably connected to the inner wall of the sliding pipe, a screw pipe is connected to the outer edge of the stud in a threaded mode, a rotating rod is inserted into the top of the stud, and a supporting plate is rotatably installed on the outer edge of the rotating rod; by arranging the abutting plate, the contact area of the bottom plate and the ground can be increased, then the stability of the ground during supporting can be improved, it is guaranteed that collapse is not likely to happen on the soft ground, meanwhile, the shifting plate moves, the moving column can be used for driving the inserting rod to slide on the inner wall of the through hole, then the inserting rod can retract to the inner wall of the mounting groove, positioning of the abutting plate is omitted, and the practicability is high. Therefore, the separation between the bottom plate and the abutting plate is realized, and the device can be used for disassembling the abutting plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a subway station roof support. BACKGROUND

[0002] In order to alleviate ground traffic and restore the original appearance of ground traffic in time, the cover excavation top-down method is generally selected for subway station construction method. After the station is built, the internal space is isolated from the outside through the roof, and the roof needs to use a support structure during construction.

[0003] In the published patent with authorization announcement number CN222184774U, a kind of roof support structure. The roof support structure, including: roof structure, the lower side of the roof structure is movably penetrated and installed anchor rod, the center position of the anchor rod is fixedly penetrated and installed glue injection port, the side of the anchor rod is movably installed top beam, the lower side of the top beam is fixedly connected with support rod, the lower side of the support rod is movably installed connecting rod, the outer surface of the connecting rod is fixedly installed support sleeve, the both sides of the support sleeve are fixedly connected with base. The present application penetrates the roof structure by using anchor rod, so that one end of the anchor rod penetrates the top of coal well, so that the roof structure is used to support the top of coal well, the anchor rod is installed and used according to the size of the top of coal well, and at the same time, the anchor rod structure penetrates the glue injection port. The glue injection port is used to pour resin cartridges into coal well rock, which facilitates the installation and use stability of the roof support structure, and effectively reduces the risk of roof collapse and fracture.

[0004] The above device has insufficient stability when the bottom is in contact with the ground, the stress area is small, and it is easy to collapse downward when dealing with soft ground and the upper support force is large, which affects the stability. Utility model content

[0005] In view of the shortcomings of the prior art, the utility model provides a subway station roof support, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.

[0006] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a subway station roof support, including a bottom plate, a square tube is fixedly installed on the top of the bottom plate, a sliding tube is slidably installed on the inner wall of the square tube, a plurality of insertion holes are formed in the inner wall of the sliding tube, and a latch is inserted into the inner wall of the insertion hole, a stud is slidably connected to the inner wall of the sliding tube, a screw tube is threadedly connected to the outer edge of the stud, a rotating rod is inserted into the top of the stud, a support plate is rotatably installed on the outer edge of the rotating rod, an installation groove is formed in the inner wall of the bottom plate, one end of a spring is fixedly connected to the inner wall of the installation groove, the other end of the spring is fixedly connected to a moving column, a plug rod is fixedly installed on the side of the moving column away from the spring, and an abutment plate is installed on the outer side of the bottom plate.

[0007] As a preferred implementation form, the four support arms are symmetrically and fixedly arranged outside the square tube, and the bottom of each support arm is fixedly connected with the top of the bottom plate.

[0008] By using the above technical scheme, the stability of the square tube can be improved, so that the square tube can be stably arranged vertically on the top of the bottom plate, and the square tube will not easily tilt when in a stressed state.

[0009] As a preferred implementation form, the outer edge of the plug pin is in close contact with the top of the square tube.

[0010] By using the above technical scheme, the sliding tube can be positioned, so that the sliding tube will not slide randomly on the inner wall of the square tube, and the support plate can be kept in a static state.

[0011] As a preferred implementation form, the top of the bottom plate is provided with a through slot in communication with the inner cavity of the mounting slot, the outer edge of the moving column is fixedly connected with a guide strip, the guide strip is slidingly connected with the inner wall of the through slot, and the top of the guide strip is fixedly connected with a push plate.

[0012] By using the above technical scheme, pulling the push plate can drive the guide strip to slide on the inner wall of the through slot, so that the moving column can be moved on the inner wall of the mounting slot, and the position of the plug rod can be adjusted.

[0013] As a preferred implementation form, the outer side of the bottom plate is provided with a through hole in communication with the inner wall of the mounting slot, and the plug rod is slidingly arranged in the through hole.

[0014] By using the above technical scheme, when the push plate moves, the moving column can drive the plug rod to slide on the inner wall of the through hole, so that the plug rod can be retracted into the inner wall of the mounting slot, and the positioning of the abutting plate can be cancelled.

[0015] As a preferred implementation form, the inner side of the abutting plate is symmetrically provided with a circular hole, and the plug rod is inserted into the inner wall of the circular hole.

[0016] By using the above technical scheme, the plug rod can stably arrange the abutting plate on the outer side of the bottom plate in cooperation with the circular hole, so that the contact area with the ground can be increased, and the stability of the subway station roof support arranged on soft ground can be improved.

[0017] As a preferred implementation form, the number of the plug holes is four, and the four plug holes are parallelly arranged on the inner wall of the sliding tube.

[0018] By using the above technical scheme, the plug pin can be inserted into the inner wall of the plug hole with different heights, so that the height of the support plate can be adjusted in a large range.

[0019] The beneficial effects of the present application are:

[0020] 1. The subway station roof support, by setting the abutment plate can increase the contact area of the floor and the ground, thereby improving the stability of the ground when supporting, ensuring that it will not easily collapse when in soft ground, while the moving plate moves can use the moving column to drive the insertion rod to slide in the inner wall of the through hole, and then can be retracted to the inner wall of the installation slot, canceling the positioning of the abutment plate, realizing the separation between the floor and the abutment plate, and then can be used for disassembling the abutment plate.

[0021] 2. The subway station roof support, by inserting the latch into the inner wall of different insertion holes, the height of the support plate can be adjusted in a large range, and by rotating the screw pipe, the screw column can be moved upward, and the support plate can be moved upward in a small range, for accurate adjustment of the fit between the top of the support plate and the subway station roof, and stable support. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic diagram of the overall structure of the present application;

[0023] Figure 2 is a schematic diagram of the expanded structure of the present application;

[0024] Figure 3 is a schematic diagram of the bottom plate cross-section structure of the present application;

[0025] Figure 4 is a schematic diagram of the Figure 3 is an enlarged structure schematic diagram of A in the present application;

[0026] Figure 5 is a schematic diagram of the abutment plate cross-section structure of the present application.

[0027] Reference numeral: 1, bottom plate; 2, square tube; 3, support arm; 4, sliding tube; 5, insertion hole; 6, latch; 7, screw column; 8, screw pipe; 9, support plate; 10, rotating rod; 11, installation slot; 12, spring; 13, moving column; 14, insertion rod; 15, moving plate; 16, through slot; 17, abutment plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0029] Reference Figures 1-5The utility model provides a subway station roof support, including bottom plate 1, the top fixed mounting of bottom plate 1 is installed with square tube 2, the inner wall slidingly installed with sliding tube 4 of square tube 2, the inner wall of sliding tube 4 is opened with multiple insertion hole 5, and the inner wall of insertion hole 5 is inserted with latch 6, the inner wall slidingly connected with stud 7 of sliding tube 4, the outer thread connection of stud 7 is with screw pipe 8, the top insertion of stud 7 is with rotating rod 10, the outer rotation of rotating rod 10 is installed with support plate 9, the inner wall of bottom plate 1 is opened with installation groove 11, one end of spring 12 is fixedly connected with the inner wall of installation groove 11, the other end of spring 12 is fixedly connected with mobile column 13, and the fixed mounting of insertion rod 14 is installed on the side away from spring 12 of mobile column 13, and the outer side of bottom plate 1 is installed with abutment plate 17.

[0030] Refer to Figure 1 Figure 3 The outer side of square tube 2 is fixedly installed with four support arms 3, and the bottom of the four support arms 3 is fixedly connected with the top of bottom plate 1, so that the stability of square tube 2 can be improved, and it can be ensured that square tube 2 can be stably and vertically arranged on the top of bottom plate 1, and it can be ensured that square tube 2 will not easily tilt when in a stressed state.

[0031] Refer to Figure 1 And Figure 2 The outer edge of latch 6 is in close contact with the top of square tube 2, so that the positioning effect of sliding tube 4 can be achieved, and it can be ensured that sliding tube 4 will not slide on the inner wall of square tube 2 at will, and it can be ensured that support plate 9 is in a stationary state.

[0032] Refer to Figure 4 The top of bottom plate 1 is provided with a through slot 16 in communication with the inner cavity of installation groove 11, the outer edge of mobile column 13 is fixedly connected with a guide strip, and the guide strip is slidingly connected to the inner wall of through slot 16, the top of guide strip is fixedly connected with a push plate 15, so that pulling the push plate 15 can drive the guide strip to slide on the inner wall of through slot 16, thereby dragging the mobile column 13 to move on the inner wall of installation groove 11, and thereby adjusting the position of insertion rod 14.

[0033] Refer to Figure 4 The outer side of bottom plate 1 is provided with a through hole in communication with the inner wall of installation groove 11, and the insertion rod 14 is slidingly installed on the inner wall of the through hole, so that when the push plate 15 moves, the insertion rod 14 can be driven to slide on the inner wall of the through hole by the mobile column 13, and thereby can be retracted into the inner wall of the installation groove 11, canceling the positioning of the abutment plate 17.

[0034] Refer to Figure 4 And Figure 5 The inner side of abutment plate 17 is symmetrically provided with a circular hole, and the insertion rod 14 is inserted into the inner wall of the circular hole, so that the insertion rod 14 can stably install the abutment plate 17 on the outer side of the bottom plate 1 in cooperation with the circular hole, thereby increasing the contact area with the ground, thereby improving the stability of the subway station roof support installed on the soft ground.​

[0035] Referring to Figure 1 and Figure 2 The number of the insertion holes 5 is four, and the four insertion holes 5 are distributed in parallel on the inner wall of the sliding tube 4, so that the insertion pin 6 can be inserted into the inner wall of the insertion hole 5 at different heights, thereby the height of the supporting plate 9 can be adjusted in a large range.

[0036] Working principle: when using the device, first, the device can be moved to the supporting place, then the abutting plate 17 can be used to increase the contact area of the bottom plate 1 with the ground, thereby the stability of the ground during supporting can be improved, and the device can be prevented from collapsing easily on the soft ground, the insertion pin 6 is removed, the sliding tube 4 is moved on the inner wall of the square tube 2, the insertion pin 6 is inserted into the inner wall of the insertion hole 5 at different heights, thereby the height of the supporting plate 9 can be adjusted in a large range, the screw tube 8 is rotated, thereby the screw column 7 can be driven to move upward, and the supporting plate 9 can be driven to move upward in a small range, for accurately adjusting the fit between the top of the supporting plate 9 and the top plate of the subway station, and stably forming the support.

[0037] In the description of the present application, it should be pointed out that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific position, to be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can be detachable connection, or integral connection, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, and can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0039] The present application has been described above in combination with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and are not limiting the protection scope of the present application. Those skilled in the art can make various modifications and changes to the present application according to the spirit and principles of the present application, and these modifications and changes are also within the scope of the present application.

Claims

1. A subway station roof support comprising a base plate (1), characterized in that, The top of the bottom plate (1) is fixedly provided with a square tube (2), the inner wall of the square tube (2) is slidably provided with a sliding tube (4), the inner wall of the sliding tube (4) is provided with a plurality of insertion holes (5), the inner wall of the insertion hole (5) is inserted with a latch (6), the inner wall of the sliding tube (4) is slidably connected with a stud (7), the outer edge of the stud (7) is threadedly connected with a screw pipe (8), the top of the stud (7) is inserted with a rotating rod (10), the outer edge of the rotating rod (10) is rotatably provided with a supporting plate (9), the inner wall of the bottom plate (1) is provided with a mounting groove (11), one end of the inner wall of the mounting groove (11) is fixedly connected with a spring (12), the other end of the spring (12) is fixedly connected with a moving column (13), the side, away from the spring (12), of the moving column (13) is fixedly provided with an insertion rod (14), and the outer side of the bottom plate (1) is provided with an abutting plate (17).

2. A subway station roof support according to claim 1, wherein, The outer side of the square tube (2) is symmetrically fixedly provided with four supporting arms (3), and the bottom of each of the four supporting arms (3) is fixedly connected with the top of the bottom plate (1).

3. A subway station roof support according to claim 1, wherein, The outer edge of the latch (6) is attached to the top of the square tube (2).

4. The subway station roof support of claim 1, wherein, The top of the bottom plate (1) is provided with a through groove (16) which is communicated with the inner cavity of the mounting groove (11), the outer edge of the moving column (13) is fixedly connected with a guide strip which is slidably connected with the inner wall of the through groove (16), and the top of the guide strip is fixedly connected with a poking plate (15).

5. The subway station roof support of claim 1, wherein, The outer side of the bottom plate (1) is provided with a through hole which is communicated with the inner wall of the mounting groove (11), and the insertion rod (14) is slidably provided in the inner wall of the through hole.

6. A subway station roof support according to claim 1, wherein, The inner side of the abutting plate (17) is symmetrically provided with a circular hole, and the insertion rod (14) is inserted in the inner wall of the circular hole.

7. The subway station roof support of claim 1, wherein, The number of the insertion holes (5) is four, and the four insertion holes (5) are parallelly distributed in the inner wall of the sliding tube (4). The number of the insertion holes (5) is four, and the four insertion holes (5) are parallelly distributed in the inner wall of the sliding tube (4).

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