Hole protection device used in curved pipe jacking construction

Abstract

The utility model discloses a hole protection device used in curved pipe jacking construction, which comprises a circular ring plate, a support protection mechanism is arranged on the circumferential side surface of the circular ring plate, the support protection mechanism comprises a fixed frame II uniformly and fixedly connected to the top of the circular ring plate, and a rotating block is rotatably connected between two surfaces of the fixed frame II. A rotating plate is fixedly connected to the top of the rotating block, supporting columns aligned with the rotating plate are evenly and fixedly connected to the top of the annular plate, and the circumferential side faces of the supporting columns abut against the side face of the rotating plate. By arranging the rotating plate, the circular ring plate of the device is placed at the position of a hole, the lead screw is rotated to drive the lifting plate to move up and down, and the top of the device is prevented from blocking the sight of passing pedestrians by changing the height of the lifting plate; the curved pipe jacking construction hole is protected, meanwhile, the safety of passing pedestrians is kept, and when passing vehicles accidentally collide with the device, the rotating plate is driven to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of hole protection devices for curved pipe jacking construction, in particular to a hole protection device used in curved pipe jacking construction. Background Art

[0002] Curved pipe jacking construction is a trenchless construction method. By using the jacking force generated by the jacking equipment in the working pit, the friction between the pipe and the surrounding soil is overcome and the pipe is pushed into the soil one by one. For example, the invention patent with application number 202110672713.2 is named a hole protection device used in curved pipe jacking construction. The patented device installs interconnected fixed base plates around the construction hole in advance, and then only needs to install a protective plate on the mounting frame plate at the upper end of the fixed base plate to protect the hole, and the installation process is simple and quick; however, the patented device will cause the vehicle to fall into the curved pipe jacking construction hole after being hit by a vehicle, causing damage to the vehicle, construction equipment and personnel, affecting the safety of the curved pipe jacking construction. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a hole protection device used in curved pipe jacking construction.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A hole protection device used in curved pipe jacking construction comprises a circular ring plate, a supporting protection mechanism is arranged on the circumferential side of the circular ring plate, the supporting protection mechanism comprises a fixing frame 2 evenly fixedly connected to the top of the circular ring plate, a rotating block is rotatably connected between the two sides of the fixing frame 2, a rotating plate is fixedly connected to the top of the rotating block, a supporting column aligned with the rotating plate is evenly fixedly connected to the top of the circular ring plate, and the circumferential side of the supporting column abuts against the side of the rotating plate.

[0006] Preferably, a groove is opened inside the circumference of the annular plate, openings aligned with the rotating plate are evenly opened between the inner and outer walls of the circumferential side of the groove, and a telescopic box aligned with the opening is evenly slidably connected between the top inner wall and the bottom inner wall of the groove.

[0007] Preferably, a limit block aligned with the telescopic box is evenly and fixedly connected between the top inner wall and the bottom inner wall of the groove, one side of the limit block is slidably connected to one side of the telescopic box, a telescopic plate is slidably connected to the inside of the side of the telescopic box, one side of the telescopic plate extends to the inside of the telescopic box, and the other side of the telescopic plate extends to the outside of the circular plate.

[0008] Preferably, the top of the telescopic plate and the side of the rotating plate are both fixedly connected to a fixing frame 1, a rotating column is rotatably connected between the two sides of the fixing frame 1, and a connecting plate is fixedly connected between the circumferential side surfaces of the two rotating columns.

[0009] Preferably, movable grooves are provided on the top inner wall and the bottom inner wall of the telescopic box, and movable blocks aligned with the movable grooves are fixedly connected to the top and bottom of the telescopic plate, one side of the movable block is slidably connected to one inner wall of the movable groove, and a spring is fixedly connected between the side of the movable block and the side inner wall of the movable groove.

[0010] Preferably, a connecting rope surrounding the telescopic box is arranged inside the groove, a fixing rope is fixedly connected between the circumferential side surface of the connecting rope and the side outer wall of the telescopic box, limiting rings surrounding the fixing rope are evenly arranged inside the groove, and connecting columns are fixedly connected between the circumferential side surface of the limiting ring and the top inner wall and the bottom inner wall of the groove.

[0011] Preferably, the internal thread of the rotating plate is connected to a screw rod, the top of the screw rod extends to the top of the rotating plate, the top of the rotating plate is fixedly connected to a lifting plate, and the outer wall of the circumferential side of the circular ring plate is fixedly connected to an inclined circular ring plate.

[0012] Compared with the prior art, the utility model provides a hole protection device used in curved pipe jacking construction, which has the following beneficial effects:

[0013] By setting the rotating plate, the circular plate of the device is placed at the opening position, and the screw rod is rotated, and the screw rod drives the lifting plate to move up and down, which is beneficial for the device to change the height of the lifting plate to prevent the top of the device from blocking the sight of passers-by, while maintaining the protection of the curved pipe jacking construction opening and maintaining the safety of passers-by. When a passing vehicle accidentally hits the device, it drives the rotating plate to rotate, and the rotating plate smashes the supporting column and allows the rotating plate to continue to rotate. The rotating plate drives the telescopic plate to move through the rotating column and the connecting plate, and the telescopic plate drives the moving block to move, and the moving block drives the telescopic box to move, so that the telescopic box and the telescopic plate pass through the fixed frame. The connecting plate supports the rotating plate, so that the rotating plate supports and protects the vehicle, which is beneficial to prevent the vehicle from falling from the hole after accidentally hitting the device, causing damage to the vehicle, construction equipment and personnel, and affecting the safety of the curved pipe jacking construction. When the telescopic box moves in the extrusion direction, it drives the fixed rope to move, and the fixed rope drives the connecting rope to move. The connecting rope pulls other connecting boxes, so that the other connecting boxes fix and buffer the connecting ropes, which is beneficial for the telescopic box in the extrusion direction to be fixed and buffered by other connecting boxes through the connecting rope, thereby buffering the impact of the vehicle and improving the safety of the device for the curved pipe jacking construction hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a hole protection device used in curved pipe jacking construction proposed by the utility model;

[0015] Figure 2This is a schematic diagram of the internal structure of a hole protection device used in curved pipe jacking construction proposed by the utility model;

[0016] Figure 3 It is a partial structural schematic diagram of a hole opening protection device used in curved pipe jacking construction proposed by the utility model;

[0017] Figure 4 for Figure 2 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: 1-circular ring plate, 2-oblique circular ring plate, 3-rotating plate, 4-screw rod, 5-lifting plate, 6-fixed frame 1, 7-connecting plate, 8-rotating column, 9-support column, 10-rotating block, 11-connecting rope, 12-limiting ring, 13-telescopic plate, 14-telescopic box, 15-slot, 16-fixed frame 2, 17-limiting block, 18-spring, 19-moving block, 20-connecting column, 21-fixed rope. DETAILED DESCRIPTION

[0019] Example 1: Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 A hole protection device used in curved pipe jacking construction includes a circular ring plate 1, and a supporting protection mechanism is arranged on the circumferential side of the circular ring plate 1. The supporting protection mechanism includes a fixing frame 16 evenly fixedly connected to the top of the circular ring plate 1, a rotating block 10 is rotatably connected between the two sides of the fixing frame 16, and a rotating plate 3 is fixedly connected to the top of the rotating block 10, and a supporting column 9 aligned with the rotating plate 3 is evenly fixedly connected to the top of the circular ring plate 1, and the circumferential side of the support column 9 abuts against the side of the rotating plate 3.

[0020] In the utility model, a groove 15 is opened inside the circumference of the circular ring plate 1, and an opening aligned with the rotating plate 3 is evenly opened between the inner wall and the outer wall of the circumferential side of the groove 15, and a telescopic box 14 aligned with the opening is evenly slidably connected between the top inner wall and the bottom inner wall of the groove 15.

[0021] A limit block 17 aligned with the telescopic box 14 is evenly and fixedly connected between the top inner wall and the bottom inner wall of the slot 15, one side of the limit block 17 is slidably connected to one side of the telescopic box 14, and a telescopic plate 13 is slidably connected to the inside of the side of the telescopic box 14, one side of the telescopic plate 13 extends to the inside of the telescopic box 14, and the other side of the telescopic plate 13 extends to the outside of the circular ring plate 1.

[0022] The top of the telescopic plate 13 and the side of the rotating plate 3 are both fixedly connected with a fixing frame 6, a rotating column 7 is rotatably connected between the two sides of the fixing frame 6, and a connecting plate 8 is fixedly connected between the circumferential side surfaces of the two rotating columns 7.

[0023] The top inner wall and the bottom inner wall of the telescopic box 14 are both provided with movable grooves, and the top and the bottom of the telescopic plate 13 are fixedly connected with movable blocks 19 aligned with the movable grooves, one side of the movable block 19 is slidably connected to one side inner wall of the movable groove, and a spring 18 is fixedly connected between the side surface of the movable block 19 and the side inner wall of the movable groove.

[0024] A connecting rope 11 surrounding the telescopic box 14 is arranged inside the slot 15, a fixing rope 21 is fixedly connected between the circumferential side surface of the connecting rope 11 and the side outer wall of the telescopic box 14, and a limiting ring 12 surrounding the fixing rope 21 is evenly arranged inside the slot 15, and a connecting column 20 is fixedly connected between the circumferential side surface of the limiting ring 12 and the top inner wall and the bottom inner wall of the slot 15.

[0025] The internal thread of the rotating plate 3 is connected with a screw rod 4, the top of the screw rod 4 extends to the top of the rotating plate 3, the top of the rotating plate 3 is fixedly connected with a lifting plate 5, and the outer wall of the circumferential side of the circular ring plate 1 is fixedly connected with an inclined circular ring plate 2.

[0026] Working principle: Place the circular plate 1 of the device at the opening, rotate the screw rod 4, and the screw rod 4 drives the lifting plate 5 to move up and down, which is beneficial for the device to change the height of the lifting plate 5 to prevent the top of the device from blocking the sight of passers-by, while maintaining the protection of the curved pipe jacking construction opening and maintaining the safety of passers-by. When a passing vehicle accidentally hits the device, it drives the rotating plate 3 to rotate, and the rotating plate 3 smashes the supporting column 9 and allows the rotating plate 3 to continue to rotate. The rotating plate 3 drives the telescopic plate 13 to move through the rotating column 7 and the connecting plate 8, and the telescopic plate 13 drives the moving block 19 to move, and the moving block 19 drives the telescopic box 14 to move, so that the telescopic box 14 and the telescopic plate 13 pass through the fixed frame 6, the rotating column 7 and The connecting plate 8 supports the rotating plate 3, so that the rotating plate 3 supports and protects the vehicle, which is beneficial to prevent the vehicle from falling from the hole after accidentally hitting the device, causing damage to the vehicle, construction equipment and personnel, and affecting the safety of the curved pipe jacking construction. When the telescopic box 14 moves in the extrusion direction, it drives the fixed rope 21 to move, and the fixed rope 21 drives the connecting rope 11 to move. The connecting rope 11 pulls other connecting boxes 14, so that the other connecting boxes 14 fix and buffer the connecting rope 11, which is beneficial for the telescopic box 14 in the extrusion direction to be fixed and buffered by the other connecting boxes 14 through the connecting rope 11, thereby buffering the impact of the vehicle, thereby improving the safety of the device for the curved pipe jacking construction hole.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hole protection device used in curved pipe jacking construction, comprising a circular ring plate (1), characterized in that: The circular ring plate (1) is provided with a supporting and protecting mechanism on its circumferential side surface, the supporting and protecting mechanism comprising a second fixing frame (16) uniformly fixedly connected to the top of the circular ring plate (1), a rotating block (10) rotatably connected between two surfaces of the second fixing frame (16), a rotating plate (3) fixedly connected to the top of the rotating block (10), a supporting column (9) aligned with the rotating plate (3) uniformly fixedly connected to the top of the circular ring plate (1), the circumferential side surface of the supporting column (9) abutting against the side surface of the rotating plate (3).

2. The hole protection device used in curved pipe jacking construction according to claim 1 is characterized in that: A slot (15) is provided inside the circumference of the annular plate (1), an opening aligned with the rotating plate (3) is evenly provided between the inner wall and the outer wall of the circumferential side of the slot (15), and a telescopic box (14) aligned with the opening is evenly slidably connected between the top inner wall and the bottom inner wall of the slot (15).

3. The hole protection device used in curved pipe jacking construction according to claim 2 is characterized in that: A limit block (17) aligned with the telescopic box (14) is evenly and fixedly connected between the top inner wall and the bottom inner wall of the slot (15); one side of the limit block (17) is slidably connected to one side of the telescopic box (14); a telescopic plate (13) is slidably connected to the inside of the side of the telescopic box (14); one side of the telescopic plate (13) extends to the inside of the telescopic box (14); and the other side of the telescopic plate (13) extends to the outside of the annular plate (1).

4. The hole protection device used in curved pipe jacking construction according to claim 3 is characterized in that: The top of the telescopic plate (13) and the side of the rotating plate (3) are both fixedly connected to a fixing frame 1 (6), a rotating column (7) is rotatably connected between the two sides of the fixing frame 1 (6), and a connecting plate (8) is fixedly connected between the circumferential side surfaces of the two rotating columns (7).

5. The hole protection device used in curved pipe jacking construction according to claim 4 is characterized in that: The top inner wall and the bottom inner wall of the telescopic box (14) are both provided with moving grooves, and the top and the bottom of the telescopic plate (13) are both fixedly connected with moving blocks (19) aligned with the moving grooves, one side of the moving block (19) is slidably connected to one side inner wall of the moving groove, and a spring (18) is fixedly connected between the side surface of the moving block (19) and the side inner wall of the moving groove.

6. The hole protection device used in curved pipe jacking construction according to claim 5 is characterized in that: A connecting rope (11) surrounding the telescopic box (14) is arranged inside the slot (15); a fixing rope (21) is fixedly connected between the circumferential side surface of the connecting rope (11) and the side outer wall of the telescopic box (14); limiting rings (12) surrounding the fixing rope (21) are evenly arranged inside the slot (15); and connecting columns (20) are fixedly connected between the circumferential side surface of the limiting ring (12) and the top inner wall and the bottom inner wall of the slot (15).

7. The hole protection device used in curved pipe jacking construction according to claim 6 is characterized in that: The internal thread of the rotating plate (3) is connected to a screw rod (4), the top of the screw rod (4) extends to the top of the rotating plate (3), the top of the rotating plate (3) is fixedly connected to a lifting plate (5), and the outer wall of the circumferential side of the circular ring plate (1) is fixedly connected to an inclined circular ring plate (2).

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