Extension steel ring for pipe jacking construction

Abstract

The utility model relates to the technical field of pipe-jacking construction, in particular to an extension steel ring for pipe-jacking construction, which comprises a support frame and a connecting frame, the surface of the support frame is fixedly connected with a grouting pipe, the surface of the grouting pipe is provided with a ball valve, the inner side surface of the support frame is connected with a pressing block through a bolt, and the pressing block is connected with the connecting frame through a bolt. A connecting groove is formed in the face, away from the pressing block, of the supporting frame, connecting blocks are fixedly connected to the two sides of the supporting frame, an inserting block is fixedly connected to the surface of the supporting frame, and an inserting groove is formed in the face, away from the inserting block, of the supporting frame. The grouting pipe is connected with the ball valve, under the action of the grouting pipe, grouting operation of plugging slurry is achieved, the water plugging effect is achieved, the pull rope is connected with the abutting plate, the action position of the abutting plate in the control groove is changed, the effect of regulating and controlling the action angle of the pressing frame is achieved, separation operation between the inserting block and the inserting groove is facilitated, and the plugging effect is improved. And the assembling and using performance and effect of the steel ring are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe jacking construction, in particular to an extended steel ring used for pipe jacking construction. Background Art

[0002] Pipe jacking construction is a trenchless construction method, which is a pipeline burial construction technology with no excavation or less excavation. During the pipe jacking construction process, in order to prevent mud and water from flowing into the pipe segments and affecting the construction operation of the pipe segments, the existing technology can only block water from the inside of the pipe segment, which is inconvenient to operate and the construction process is complicated. Utility Model Content

[0003] The utility model aims to provide an extended steel ring for pipe jacking construction to solve the problem in the above background technology that water blocking operation can only be performed from the inside of the pipe joint, which is inconvenient to operate and has complicated construction process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an extended steel ring for jacking construction, comprising a support frame and a connecting frame, a grouting pipe is fixedly connected to the surface of the support frame, a ball valve is arranged on the surface of the grouting pipe, a pressure block is connected to the inner surface of the support frame by bolts, a connecting groove is provided on a side of the support frame away from the pressure block, connecting blocks are fixedly connected to the two sides of the support frame, an insert block is fixedly connected to the surface of the support frame, a slot is provided on the side of the support frame away from the insert block, a pull plate is abutted and connected to the surface of the support frame, a pull rope is fixedly connected to the surface of the pull plate, a pressure plate is movably connected to the inner side of the slot, a control groove is provided on the inner wall of the slot, a support spring is fixedly connected to the inner side of the control groove, a push plate is fixedly connected to the surface of the support spring, a push plate is fixedly connected to the surface of the support spring, the pressure frame is movably connected to the inner side of the control groove, and the support plate is fixedly connected to the surface of the pressure frame.

[0005] Preferably, the support frame and the connecting frame are plug-in connected, the support frame forms a frame shape through the connecting frame, and the grouting pipe is connected to the connecting groove.

[0006] Preferably, the connecting block is block-shaped and connected to both sides of the support frame, the bottom end of the insert block is fixedly connected with a clamping plate, and the bottom end of the clamping plate is in an arc shape.

[0007] Preferably, the support frame is connected by plugging the plug block and the slot, a rotating rod 1 is fixedly connected to both sides of the pressure plate, and a torsion spring 1 is sleeved on the outer surface of the rotating rod 1, and the pressure plate is elastically rotatably connected to the slot through the rotating rod 1 and the torsion spring 1.

[0008] Preferably, two rotating rods are fixedly connected to both sides of the pressure frame, and two torsion springs are sleeved on the outer surface of the two rotating rods. The pressure frame is elastically rotatably connected to the control groove through the two rotating rods and the two torsion springs.

[0009] Preferably, a sliding groove is provided on the inner wall of the control groove, a sliding block is fixedly connected to the surface of the abutment plate, and the sliding block is slidably connected to the sliding groove, and the abutment plate is elastically slidably connected to the control groove via a supporting spring.

[0010] Preferably, the bottom end of the abutment plate is inclined, the abutment plate is abutted and connected to the pressing frame, and the support plate is plate-shaped and abutted and connected to the pressing plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Through the connection of the support frame and the connecting frame, a steel ring is formed. Under the action of the pressure block, the pressure support effect of the curtain installed inside and outside the steel ring is achieved. Through the connection of the grouting pipe and the ball valve, under the action of the grouting pipe, the injection operation of the plugging slurry is realized to achieve the effect of water blocking.

[0013] 2. Through the plug-in connection of the plug block and the slot, and the abutment connection of the plug block and the pressure plate, the plug-in connection effect between the support frames is achieved, and through the connection of the abutment plate and the support spring, the effect of regulating the action angle of the pressure frame in the control groove is achieved. Under the connection of the support plate and the pressure plate, the stability of the pressure plate's pressing performance on the plug block is improved, and under the connection of the pull plate and the pull rope, the action position of the abutment plate in the control groove is changed through the connection of the pull rope and the abutment plate, so as to achieve the effect of regulating the action angle of the pressure frame, facilitate the separation operation between the plug block and the slot, and improve the assembly performance and effect of the steel ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a partial three-dimensional schematic diagram of the structure of the support frame of the utility model;

[0016] Figure 3 It is a partial back perspective schematic diagram of the structure of the support frame of the utility model;

[0017] Figure 4 It is a partial three-dimensional cross-sectional schematic diagram of the structure of the support frame of the utility model;

[0018] Figure 5 It is a partial three-dimensional exploded schematic diagram of the structure of the support frame of the utility model;

[0019] Figure 6 For this utility model Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1. support frame; 2. connecting frame; 3. grouting pipe; 4. ball valve; 5. pressure block; 6. connecting groove; 7. connecting block; 8. plug block; 9. slot; 10. pull plate; 11. pull rope; 12. pressure plate; 13. control groove; 14. support spring; 15. abutment plate; 16. pressure frame; 17. support plate. DETAILED DESCRIPTION

[0021] See also Figure 1-6 , an embodiment provided by the utility model:

[0022] An extended steel ring for pipe jacking construction comprises a support frame 1 and a connecting frame 2, a grouting pipe 3 is fixedly connected to the surface of the support frame 1, a ball valve 4 is arranged on the surface of the grouting pipe 3, a pressure block 5 is connected to the inner surface of the support frame 1 by bolts, a connecting groove 6 is provided on the side of the support frame 1 away from the pressure block 5, connecting blocks 7 are fixedly connected to both sides of the support frame 1, an insert block 8 is fixedly connected to the surface of the support frame 1, a slot 9 is provided on the side of the support frame 1 away from the insert block 8, a pull plate 10 is abutted and connected to the surface of the support frame 1, and a pull rope is fixedly connected to the surface of the pull plate 10 11, a pressure plate 12 is movably connected to the inner side of the slot 9, a control slot 13 is opened on the inner wall of the slot 9, a support spring 14 is fixedly connected to the inner side of the control slot 13, abutment plate 15 is fixedly connected to the surface of the support spring 14, a pressure frame 16 is movably connected to the inner side of the control slot 13, a support plate 17 is fixedly connected to the surface of the pressure frame 16, through the connection between the support frame 1 and the plug block 8, the connection between the support frame 1 and the slot 9, under the plug-in connection between the plug block 8 and the slot 9, through the abutment connection between the pressure plate 12 and the plug block 8, the assembly support effect between the support frame 1 is achieved.

[0023] Furthermore, the support frame 1 and the connecting frame 2 are plug-in connected, and the support frame 1 forms a frame shape through the connecting frame 2. The grouting pipe 3 and the connecting groove 6 are connected. After the support frame 1 and the connecting frame 2 are connected, the connecting frame 2 and the support frame 1 are connected through the plug block 8 and the slot 9. Under the action of the connecting frame 2, the support frame 1 is formed into a frame shape, and under the action of the curtain connected to the support frame 1, its waterproof performance is improved.

[0024] Furthermore, the connecting block 7 is block-shaped and connected to both sides of the support frame 1, and the bottom end of the plug block 8 is fixedly connected to a clamping plate, and the bottom end of the clamping plate is in an arc shape. Through the connection between the grouting pipe 3 and the ball valve 4, under the action of the ball valve 4, the control effect of the passage of the grouting pipe 3 is achieved, which facilitates the grouting operation of the support frame 1 close to the soil surface and realizes its sealing and waterproofing effect.

[0025] Furthermore, the support frame 1 is connected by plugging the plug block 8 and the slot 9, a rotating rod 1 is fixedly connected to both sides of the pressure plate 12, and a torsion spring 1 is sleeved on the outer surface of the rotating rod 1, and the pressure plate 12 is elastically rotatably connected to the slot 9 through the rotating rod 1 and the torsion spring 1. Through the plugging connection of the plug block 8 and the slot 9, under the abutting connection between the pressure plate 12 and the plug block 8, the abutting support effect of the plug block 8 in the action position in the slot 9 is achieved.

[0026] Furthermore, two rotating rods are fixedly connected to the two sides of the pressure frame 16, and two torsion springs are sleeved on the outer surface of the two rotating rods. The pressure frame 16 is elastically rotatably connected to the control groove 13 through the two rotating rods and the two torsion springs. Through the elastic rotatably connection between the pressure frame 16 and the control groove 13, and through the connection between the abutment plate 15 and the pressure frame 16, the control effect of the action angle of the pressure frame 16 in the control groove 13 is achieved.

[0027] Furthermore, a sliding groove is opened on the inner wall of the control groove 13, a slider is fixedly connected to the surface of the stop plate 15, and the slider and the sliding groove are slidably connected. The stop plate 15 is elastically slidably connected to the control groove 13 through the support spring 14, and the sliding connection between the slider on the stop plate 15 and the sliding groove in the control groove 13 is achieved, thereby achieving the effect of limiting the sliding angle of the stop plate 15 in the control groove 13.

[0028] Furthermore, the bottom end of the push plate 15 is inclined, the push plate 15 and the pressure frame 16 are abutted and connected, the support plate 17 is plate-shaped and abutted and connected with the pressure plate 12, under the connection between the pressure frame 16 and the support plate 17, through the abutment connection between the support plate 17 and the pressure plate 12, the abutment stability performance of the pressure plate 12 and the plug block 8 is improved, and under the connection between the pull plate 10 and the pull rope 11, the effect of regulating the action position of the push plate 15 in the control groove 13 is achieved, the abutment relationship between the pressure plate 12 and the plug block 8 is released, and the separation operation of the plug block 8 and the slot 9 is convenient.

[0029] Working principle: When the support frame 1 and the connecting frame 2 and the support frame 1 are assembled and used, the plug-in connection of the plug block 8 and the slot 9, and the abutment connection of the pressure plate 12 and the plug block 8 are completed to complete the assembly operation of the frame shape. Under the connection of the grouting pipe 3 and the ball valve 4, the grouting operation of the contact surface between the support frame 1 and the soil is convenient to achieve the performance of sealing and waterproofing. Under the abutment connection of the plug block 8 and the pressure plate 12, the control groove 13 and the support spring 14 are connected to make the abutment plate 15 abut the pressure frame 16. The pressure is applied by the connection between the pressure frame 16 and the support plate 17, and the pressure between the support plate 17 and the pressure plate 12 to ensure the stability of the pressure between the pressure plate 12 and the plug block 8. Under the connection between the pull plate 10 and the pull rope 11, by pulling the pull plate 10, the pull rope 11 drives the pressure plate 15 to change its position in the control groove 13. At this time, the pressure between the pressure plate 12 and the plug block 8 is released, which facilitates the separation operation between the plug block 8 and the slot 9, and further facilitates the disassembly and separation operations between the support frames 1 and between the support frame 1 and the connecting frame 2.

Claims

1. An extended steel ring for pipe jacking construction, comprising a support frame and a connecting frame, characterized in that: A grouting pipe is fixedly connected to the surface of the support frame, a ball valve is arranged on the surface of the grouting pipe, a pressure block is connected to the inner surface of the support frame by bolts, a connecting groove is provided on the side of the support frame away from the pressure block, connecting blocks are fixedly connected to the two sides of the support frame, an insertion block is fixedly connected to the surface of the support frame, a slot is provided on the side of the support frame away from the insertion block, a pull plate is abutted and connected to the surface of the support frame, a pull rope is fixedly connected to the surface of the pull plate, a pressure plate is movably connected to the inner side of the slot, a control groove is provided on the inner wall of the slot, a support spring is fixedly connected to the inner side of the control groove, a push plate is fixedly connected to the surface of the support spring, a pressure frame is movably connected to the inner side of the control groove, and the surface of the pressure frame is fixedly connected to the support plate.

2. The extended steel ring for pipe jacking construction according to claim 1, characterized in that: The support frame and the connecting frame are plug-in connected, the support frame forms a frame shape through the connecting frame, and the grouting pipe is communicated with the connecting groove.

3. The extended steel ring for pipe jacking construction according to claim 1, characterized in that: The connecting block is block-shaped and connected to both sides of the support frame. The bottom end of the inserting block is fixedly connected with a clamping plate, and the bottom end of the clamping plate is in an arc shape.

4. The extended steel ring for pipe jacking construction according to claim 1, characterized in that: The support frame is connected by plugging the plug block and the slot, the two sides of the pressure plate are fixedly connected with a rotating rod 1, and the outer surface of the rotating rod 1 is sleeved with a torsion spring 1, and the pressure plate is elastically rotatably connected with the slot through the rotating rod 1 and the torsion spring 1.

5. The extended steel ring for pipe jacking construction according to claim 1, characterized in that: The two sides of the pressure frame are fixedly connected with a second rotating rod, and the outer surface of the second rotating rod is sleeved with a second torsion spring. The pressure frame is elastically rotatably connected with the control groove through the second rotating rod and the second torsion spring.

6. The extended steel ring for pipe jacking construction according to claim 1, characterized in that: The inner wall of the control groove is provided with a sliding groove, the surface of the abutment plate is fixedly connected with a sliding block, and the sliding block is slidably connected to the sliding groove, and the abutment plate is elastically slidably connected to the control groove via a supporting spring.

7. The extended steel ring for pipe jacking construction according to claim 1, characterized in that: The bottom end of the abutment plate is inclined, the abutment plate is abutted and connected with the pressing frame, and the support plate is plate-shaped and abutted and connected with the pressing plate.

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