Compression-resistant supporting equipment

Abstract

The utility model provides compression-resistant supporting equipment which comprises a bottom box, the top of the bottom box is fixedly connected with a fixing seat, a lead screw penetrates through the top of the fixing seat, and the top end of the lead screw is rotationally connected with a connecting seat. A motor is started, a lead screw is driven to rotate through the transmission effect between gears, then a transmission base can be driven to move up and down between two supporting rods and the lead screw, and when a movable base moves from top to bottom, a connecting rod in an inner supporting assembly can be pushed to conduct transmission and push an inner supporting plate to move; the distance between the inner supporting plates in the four inner supporting assemblies is enlarged, and the outer convex faces of the inner supporting plates are tightly attached to the four sides of the inner wall of the road foundation pit, so that the four sides of the inner wall of the road foundation pit can be reinforced and supported at the same time, and the road maintenance work efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to compression-resistant supporting equipment, belonging to the field of road construction equipment. Background Art

[0002] During the road construction process, road foundation pits will be generated. In order to prevent soil collapse and control foundation pit deformation, as well as provide a safe working environment for subsequent construction, it is necessary to install compression support equipment inside the road foundation pit.

[0003] In the prior art, holes are drilled in the foundation pit wall and anchored to provide additional support force, and transverse or oblique support beams are set in the foundation pit to support the inside of the road foundation pit. In order to improve the compressive stability of the foundation pit, it is necessary to install the compressive support beams multiple times and in multiple directions. The installation operation is cumbersome and time-consuming, thereby reducing the efficiency of road maintenance work.

[0004] In summary, the utility model therefore provides a compression support device to solve the above-mentioned problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a compression-resistant support device to solve the problem in the above-mentioned background technology that the operation is complicated and the efficiency of road maintenance is reduced.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a pressure-resistant support device, including a bottom box, the top of the bottom box is fixedly connected to a fixed seat, the top of the fixed seat is penetrated by a lead screw, the top of the lead screw is rotatably connected to a connecting seat, the rod surface of the lead screw is sleeved with a transmission seat, both sides of the bottom of the connecting seat are fixedly connected with support rods, the bottom ends of the two support rods penetrate the connecting seat and extend to the top of the fixed seat, the four sides of the fixed seat, the connecting seat and the transmission seat are fixedly connected with an internal support assembly, the bottom end of the lead screw penetrates the top of the bottom box and extends to the bottom of the inner wall of the bottom box, the rod surface of the lead screw and the internal fixed sleeve located in the bottom box are provided with a driven wheel, the inside of the bottom box is fixedly connected to a motor, and the output end of the motor and the bottom of the driven wheel are fixedly connected with a driving wheel.

[0007] Furthermore, the driving wheel and the driven wheel are both bevel gears, and the driving wheel is meshed with the driven wheel.

[0008] Furthermore, the lead screw is rotatably connected to the bottom box, and the lead screw is rotatably connected to the fixing seat.

[0009] Furthermore, the lead screw is threadedly connected to the transmission seat, and the bottom ends of the two support rods are fixedly connected to the top of the fixing seat.

[0010] Furthermore, the two support rods are in contact with the transmission seat, and the two support rods have a limiting effect on the transmission seat.

[0011] Furthermore, the inner support assembly includes two groups of telescopic rods, which are respectively fixedly connected to one side of the fixed seat and the connecting seat, and an inner support plate is fixedly connected between one ends of the two groups of telescopic rods. The inner support plate is in the shape of an arc plate, and the inner concave surface of the inner support plate is fixedly connected to the mounting seat. The front and back sides of the mounting seat are rotatably connected to connecting rods through a rotating shaft, and a movable seat is hinged with a pin between the ends of the two connecting rods away from the mounting seat and located on one side of the transmission seat.

[0012] Furthermore, the movable seat is fixedly connected to the transmission seat, and the inner support plates inside the four inner support assemblies are separated from each other on one side and are arc-shaped and convex.

[0013] Beneficial effects of the utility model:

[0014] By placing the entire equipment in the road foundation pit, starting the motor, and driving the lead screw to rotate through the transmission action between the gears, the transmission seat can be driven to move up and down between the two support rods and the lead screw. When the movable seat moves from top to bottom, the connecting rod inside the inner support assembly can be pushed to transmit and push the inner support plate to move, so that the distance between the inner support plates inside the four inner support assemblies is expanded, and the outer convex surface of the inner support plate is tightly attached to the four sides of the inner wall of the road foundation pit, so that the four sides of the inner wall of the road foundation pit can be reinforced and supported at the same time, effectively improving the efficiency of road maintenance work.

[0015] By turning the switch clockwise at the output end of the starting motor, the driving wheel can be driven to rotate clockwise, the driving wheel drives the driven wheel to rotate counterclockwise, and the driven wheel drives the lead screw to rotate counterclockwise, so that the transmission seat can move from bottom to top, and then the distance between the four inner support plates can be shortened through the transmission of the connecting rod, so that the compression support equipment can be flexibly adjusted according to the diameter of the road foundation pit, effectively improving the adaptability of the compression support equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 This is a schematic structural stereogram of a compression support device of the utility model;

[0018] Figure 2 This is a schematic front view of the structure of a compression support device of the utility model;

[0019] Figure 3 This is a main cross-sectional view showing the structure of a compression support device of the utility model;

[0020] Figure 4 This is a schematic top-sectional view of the structure of a compression support device of the utility model.

[0021] In the figure: 1, bottom box; 2, fixed seat; 3, connecting seat; 4, lead screw; 5, support rod; 6, transmission seat; 7, inner support assembly; 8, motor; 9, driving wheel; 10, driven wheel; 71, telescopic rod; 72, inner support plate; 73, mounting seat; 74, connecting rod; 75, movable seat. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figure 1-4 The utility model provides a technical solution: a compression-resistant support device, including a bottom box 1, a fixed seat 2 is fixedly connected to the top of the bottom box 1, a lead screw 4 passes through the top of the fixed seat 2, the top of the lead screw 4 is rotatably connected to the connecting seat 3, the rod surface of the lead screw 4 is sleeved with a transmission seat 6, both sides of the bottom of the connecting seat 3 are fixedly connected with support rods 5, the two support rods 5 can stably support the connecting seat 3, the bottom ends of the two support rods 5 pass through the connecting seat 3 and extend to the top of the fixed seat 2, the four sides of the fixed seat 2, the connecting seat 3 and the transmission seat 6 are fixedly connected with an internal support assembly 7, the bottom end of the lead screw 4 passes through the top of the bottom box 1 and extends to the bottom of the inner wall of the bottom box 1, the rod surface of the lead screw 4 and the internal fixed sleeve of the bottom box 1 are provided with a driven wheel 10, the inside of the bottom box 1 is fixedly connected with a motor 8, the motor The output end of 8 is located at the bottom of the driven wheel 10 and is fixedly connected with a driving wheel 9. The motor 8 is connected to an external power supply and is provided with a power control switch. The motor 8 is a three-phase asynchronous motor. The output end can be adjusted by forward and reverse rotation. The driving wheel 9 and the driven wheel 10 are both bevel gears. The driving wheel 9 is meshed with the driven wheel 10. The screw 4 is rotatably connected to the bottom box 1, the screw 4 is rotatably connected to the fixed seat 2, the screw 4 is threadedly connected to the transmission seat 6, the bottom ends of the two support rods 5 are fixedly connected to the top of the fixed seat 2, the two support rods 5 are in contact with the transmission seat 6, and the two support rods 5 have a limiting effect on the transmission seat 6. When the screw 4 rotates clockwise, the transmission seat 6 can be driven to move from top to bottom between the two support rods 5 and the screw 4. When the screw 4 rotates counterclockwise, the transmission seat 6 can be driven to move from bottom to top.

[0024] See also Figure 2-4The inner support assembly 7 includes two groups of telescopic rods 71, which are respectively fixedly connected to one side of the fixed seat 2 and the connecting seat 3. An inner support plate 72 is fixedly connected between one end of the two groups of telescopic rods 71. The inner support plate 72 is in the shape of an arc plate. The inner concave surface of the inner support plate 72 is fixedly connected to a mounting seat 73. The front and back sides of the mounting seat 73 are rotatably connected to a connecting rod 74 through a rotating shaft. A movable seat 75 is hinged between one end of the two connecting rods 74 away from the mounting seat 73 and located on one side of the transmission seat 6 through a pin shaft. The movable seat 75 is fixedly connected to the transmission seat 6. The inner support plates 72 inside the four inner support assemblies 7 are separated from each other on one side and are arc-shaped and convex. When the transmission seat 6 moves from top to bottom, When the movable seat 75 moves, it can simultaneously drive the movable seats 75 inside the four inner support assemblies 7 to move from top to bottom. Since each inner support plate 72 is limited by the two sets of telescopic rods 71 ​​connected to it, when the movable seat 75 moves from top to bottom, it can push the top end of the connecting rod 74 to move downward. At the same time, the bottom end of the connecting rod 74 pushes the inner support plate 72 through the mounting seat 73, so that the distance between the inner support plates 72 inside the four inner support assemblies 7 is enlarged. During the movement of the inner support plate 72, the telescopic rod 71 will be stretched. When the equipment is placed as a whole in the road foundation pit, the adjusted inner support plate 72 can support the four sides of the inner wall of the road foundation pit respectively, thereby avoiding the collapse of the edge of the foundation pit.

[0025] Specific implementation method: The equipment is placed as a whole in the road foundation pit, so that the bottom box 1 is located at the bottom of the inner wall of the foundation pit, and the output end of the motor 8 is turned counterclockwise. The motor 8 drives the driving wheel 9 to rotate counterclockwise, and the driving wheel 9 drives the driven wheel 10 to rotate clockwise. The driven wheel 10 drives the screw 4 to rotate clockwise, and then the transmission seat 6 can be driven to move up and down between the two support rods 5 and the screw 4. Since each inner support plate 72 is limited by the two sets of telescopic rods 71 ​​connected to each other, when the movable seat 75 moves from top to bottom When moving, the top end of the connecting rod 74 can be pushed to move downward, and at the same time, the bottom end of the connecting rod 74 pushes the inner support plate 72 through the mounting seat 73, so that the distance between the inner support plates 72 inside the four inner support assemblies 7 is expanded, and the outer convex surfaces of the inner support plates 72 inside the four inner support assemblies 7 are respectively tightly attached to the four sides of the inner wall of the road foundation pit, and support the four sides of the inner wall of the road foundation pit, thereby avoiding the phenomenon of collapse of the edge of the foundation pit, and at the same time reinforcing and supporting the four sides of the inner wall of the road foundation pit, effectively improving the efficiency of road maintenance work.

[0026] By turning the switch clockwise at the output end of the starter motor 8, the driving wheel 9 can be driven to rotate clockwise, the driving wheel 9 can drive the driven wheel 10 to rotate counterclockwise, and the driven wheel 10 can drive the lead screw 4 to rotate counterclockwise, so that the transmission seat 6 can be moved from bottom to top, and then the distance between the four inner support plates 72 can be shortened through the transmission of the connecting rod 74, so that the pressure-resistant support equipment can be flexibly adjusted according to the diameter of the road foundation pit, effectively improving the adaptability of the pressure-resistant support equipment.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A compressive support device, comprising a bottom box (1), characterized in that: The top of the bottom box (1) is fixedly connected to a fixed seat (2), a lead screw (4) passes through the top of the fixed seat (2), the top of the lead screw (4) is rotatably connected to a connecting seat (3), the rod surface of the lead screw (4) is provided with a transmission seat (6), both sides of the bottom of the connecting seat (3) are fixedly connected to support rods (5), the bottom ends of the two support rods (5) pass through the connecting seat (3) and extend to the top of the fixed seat (2), the four sides of the fixed seat (2), the connecting seat (3) and the transmission seat (6) are fixedly connected with an inner support assembly (7), the bottom end of the lead screw (4) passes through the top of the bottom box (1) and extends to the bottom of the inner wall of the bottom box (1), the rod surface of the lead screw (4) and the internal fixed sleeve located in the bottom box (1) are provided with a driven wheel (10), the inside of the bottom box (1) is fixedly connected to a motor (8), and the output end of the motor (8) and the bottom of the driven wheel (10) are fixedly connected to a driving wheel (9).

2. A compression support device according to claim 1, characterized in that: The driving wheel (9) and the driven wheel (10) are both bevel gears, and the driving wheel (9) and the driven wheel (10) are meshed with each other.

3. A compression support device according to claim 1, characterized in that: The lead screw (4) is rotatably connected to the bottom box (1), and the lead screw (4) is rotatably connected to the fixing seat (2).

4. A compression support device according to claim 1, characterized in that: The lead screw (4) is threadedly connected to the transmission seat (6), and the bottom ends of the two support rods (5) are fixedly connected to the top of the fixed seat (2).

5. A compressive support device according to claim 1, characterized in that: The two support rods (5) are both in contact with the transmission seat (6), and the two support rods (5) have a limiting effect on the transmission seat (6).

6. A compression support device according to claim 1, characterized in that: The inner support assembly (7) comprises two groups of telescopic rods (71), the two groups of telescopic rods (71) are respectively fixedly connected to one side of the fixed seat (2) and the connecting seat (3), an inner support plate (72) is fixedly connected between one end of the two groups of telescopic rods (71), the inner support plate (72) is in the shape of an arc plate, the inner concave surface of the inner support plate (72) is fixedly connected to a mounting seat (73), the front and back sides of the mounting seat (73) are rotatably connected to connecting rods (74) via a rotating shaft, and a movable seat (75) is hingedly connected between one end of the two connecting rods (74) away from the mounting seat (73) and located on one side of the transmission seat (6) via a pin shaft.

7. A compression support device according to claim 6, characterized in that: The movable seat (75) is fixedly connected to the transmission seat (6), and the inner support plates (72) inside the four inner support assemblies (7) are all in an arc-shaped outward convex shape on the separated sides.

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