Supporting device for pipe jacking construction

Abstract

The utility model discloses a supporting device for pipe jacking construction, which comprises a rear seat, a groove is arranged in the rear seat, sliding grooves are arranged on two sides of the groove, an adjusting block is matched in the groove, limit blocks are arranged on two sides of the adjusting block, the limit blocks are matched in the sliding grooves, and a group of connecting plates are arranged on one side of the adjusting block. The lifting block is driven to move, so that the height of the adjusting block is adjusted, the movement of the connecting plate, the oil cylinder, the rigid jacking iron and the annular jacking iron is changed, the function of adjusting the height is achieved, the propelling pipe has a stable guiding function in a working well under the action of the sliding block and the sliding plate on the supporting seat, and the propelling pipe enters a soil body along the guiding function; and secondly, a reliable supporting beam is provided when the jacking iron works, the adjusting column is rotated through a tool, so that the height of the supporting seat is adjusted under the action of the threaded column and the supporting block, the height adjusting effect is achieved, and the rear seat is convenient to install through the hanging ring.

Description

Technical Field

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

[0002] The rear shim is used to transfer the reaction force of the thrust of the main jacking cylinder to the rear wall of the working well. Through the rear shim, the reaction force of the cylinder can be transferred to the rear wall more evenly, so that the rear wall is not easily damaged. Put a line inside the installation position of the shim, mark the positions of the four corners of the rear shim with red paint on the surface of the rear wall, chisel the wall within the range of the shim, level the bottom with bricks, hang the rear shim to the installation position, adjust the horizontal and longitudinal directions, and the plane needs to be perpendicular to the jacking direction of the jacking pipe. The guide rail has the function of providing a stable guiding role for the thrust pipe in the working well and allowing the thrust pipe to enter the soil along the guide. Secondly, it provides a reliable support beam for the jacking iron when it is working. In order to stably push the jacking pipe into the soil, this scheme proposes a support device for jacking pipe construction. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a supporting device for pipe jacking construction.

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

[0005] A supporting device for pipe jacking construction comprises a rear seat, a groove is provided inside the rear seat, slide grooves are provided on both sides of the groove, an adjusting block is matched inside the groove, limit blocks are provided on both sides of the adjusting block, the limit blocks are matched in the slide grooves, a group of connecting plates are provided on one side of the adjusting block, oil cylinders are provided on the two connecting plates, rigid jacking irons are provided at one end of the two oil cylinders, and an annular jacking iron is provided on the rigid jacking iron;

[0006] A lifting block is arranged on one side of the adjusting block, a hydraulic telescopic cylinder is arranged at the bottom of the lifting block, a bottom plate is arranged at the bottom of the hydraulic telescopic cylinder, and one side of the bottom plate is connected with the rear seat.

[0007] Preferably, it further comprises a support seat, a guide rail is provided on the support seat, a slider is slidably connected in the guide rail, a slide plate is provided on the top of the slider, and adjustment block group adjustment mechanisms are provided on both sides of the support seat.

[0008] Preferably, the adjustment mechanism includes a threaded column, a disc is arranged at the bottom of the threaded column, a limiting ring is matched at the bottom of the disc, and a support plate is arranged at the bottom of the limiting ring.

[0009] Preferably, the threaded column is threadedly connected in the threaded hole on the support block, one side of the support block is connected to the support seat, a top plate is provided at the top of the threaded column, and an adjustment column is provided on one side of the top plate.

[0010] Preferably, a group of hanging rings are provided on both sides of the top of the rear seat.

[0011] The utility model has the following beneficial effects:

[0012] By unfolding the hydraulic telescopic cylinder, the lifting block is driven to move, thereby adjusting the height of the adjusting block, thereby changing the movement of the connecting plate, the oil cylinder, the rigid top iron and the annular top iron, so as to achieve the effect of adjusting the height. The slider and the slide plate on the support seat can provide a stable guiding effect for the propulsion pipe in the working well and allow the propulsion pipe to enter the soil along the guide. Secondly, it allows a reliable supporting beam when the top iron is working. The adjusting column is rotated by the tool, and the height of the support seat is adjusted under the action of the threaded column and the support block, thereby achieving the effect of height adjustment. The installation of the rear seat is facilitated by the lifting ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the supporting device;

[0014] Figure 2 It is a schematic diagram of the structure of the adjustment mechanism of the support device;

[0015] Figure 3 A schematic diagram of the support base structure of the support device;

[0016] Figure 4 It is a schematic diagram of the rear seat structure of the supporting device.

[0017] In the figure: 1. rear seat; 2. adjusting block; 3. connecting plate; 4. oil cylinder; 5. rigid top iron; 501. annular top iron; 6. lifting block; 7. hydraulic telescopic cylinder; 8. bottom plate; 9. lifting ring; 10. supporting seat; 1001. sliding block; 1002. sliding plate; 11. adjusting mechanism; 1101. threaded column; 1102. disc; 1103. limiting ring; 1104. supporting plate; 1105. supporting block; 1106. top plate; 1107. adjusting column. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-4A supporting device for pipe jacking construction comprises a rear seat 1, a groove is provided inside the rear seat 1, slide grooves are provided on both sides of the groove, an adjusting block 2 is matched inside the groove, limit blocks are provided on both sides of the adjusting block 2, the limit blocks are matched in the slide grooves, a group of connecting plates 3 are provided on one side of the adjusting block 2, oil cylinders 4 are provided on the two connecting plates 3, rigid top irons 5 are provided at one end of the two oil cylinders 4, an annular top iron 501 is provided on the rigid top iron 5, a lifting block 6 is provided on one side of the adjusting block 2, a hydraulic telescopic cylinder 7 is provided at the bottom of the lifting block 6, a bottom plate 8 is provided at the bottom of the hydraulic telescopic cylinder 7, and one side of the bottom plate 8 is connected to the rear seat 1. When the rear seat 1 is installed, the hydraulic telescopic cylinder 7 is deployed to drive the lifting block 6 to move, thereby adjusting the height of the adjusting block 2, thereby changing the movement of the connecting plate 3, the oil cylinder 4, the rigid top iron 5 and the annular top iron 501, thereby achieving the function of adjusting the height.

[0020] It also includes a support seat 10, on which a guide rail is provided, in which a slider 1001 is slidably connected, and a slide plate 1002 is provided on the top of the slider 1001. The slider 1001 and the slide plate 1002 on the support seat 10 can provide a stable guiding effect for the propulsion pipe in the working well, and enable the propulsion pipe to enter the soil along the guide, and secondly, provide a reliable support beam when the top iron is working.

[0021] Two adjustment blocks and two adjustment mechanisms 11 are arranged on both sides of the support seat 10, and the adjustment mechanism 11 includes a threaded column 1101, a disc 1102 is arranged at the bottom of the threaded column 1101, a limiting ring 1103 is matched at the bottom of the disc 1102, a support plate 1104 is arranged at the bottom of the limiting ring 1103, the threaded column 1101 is threadedly connected to the threaded hole on the support block 1105, one side of the support block 1105 is connected to the support seat 10, a top plate 1106 is arranged at the top of the threaded column 1101, and an adjustment column 1107 is arranged on one side of the top plate 1106, the adjustment column 1107 is rotated by a tool, and the height of the support seat 10 is adjusted under the action of the threaded column 1101 and the support block 1105, thereby achieving the function of height adjustment.

[0022] A group of lifting rings 9 are arranged on both sides of the top of the rear seat 1 , and the lifting rings 9 are used to facilitate the installation of the rear seat 1 .

[0023] 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 support device for pipe jacking construction, comprising a rear seat (1), characterized in that: A groove is provided inside the rear seat (1), and slide grooves are provided on both sides of the groove. An adjusting block (2) is matched inside the groove, and limit blocks are provided on both sides of the adjusting block (2). The limit blocks are matched in the slide grooves. A group of connecting plates (3) are provided on one side of the adjusting block (2), and oil cylinders (4) are provided on two connecting plates (3). Rigid top irons (5) are provided at one end of the two oil cylinders (4), and an annular top iron (501) is provided on the rigid top iron (5); A lifting block (6) is arranged on one side of the adjustment block (2), a hydraulic telescopic cylinder (7) is arranged at the bottom of the lifting block (6), a bottom plate (8) is arranged at the bottom of the hydraulic telescopic cylinder (7), and one side of the bottom plate (8) is connected to the rear seat (1).

2. A support device for pipe jacking construction according to claim 1, characterized in that: The invention also comprises a support seat (10), wherein a guide rail is provided on the support seat (10), a slider (1001) is slidably connected in the guide rail, a slide plate (1002) is provided on the top of the slider (1001), and two groups of adjustment mechanisms (11) are provided on both sides of the support seat (10).

3. A support device for pipe jacking construction according to claim 2, characterized in that: The adjustment mechanism (11) comprises a threaded column (1101), a disc (1102) is arranged at the bottom of the threaded column (1101), a limiting ring (1103) is matched at the bottom of the disc (1102), and a support plate (1104) is arranged at the bottom of the limiting ring (1103).

4. A supporting device for pipe jacking construction according to claim 3, characterized in that: The threaded column (1101) is threadedly connected to a threaded hole on a support block (1105); one side of the support block (1105) is connected to a support seat (10); a top plate (1106) is provided at the top of the threaded column (1101); and an adjustment column (1107) is provided on one side of the top plate (1106).

5. A supporting device for pipe jacking construction according to claim 1, characterized in that: A group of hanging rings (9) are arranged on both sides of the top of the rear seat (1).

Images