CN217481280U

CN217481280U - Tool pipe for sludge geological formation pipe jacking construction

Info

Publication number: CN217481280U
Application number: CN202221496127.3U
Authority: CN
Inventors: 韩冬波
Original assignee: Lechang Residential Construction Engineering Co ltd
Current assignee: Lechang Residential Construction Engineering Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-09-23
Anticipated expiration: 2032-06-15

Abstract

The tool pipe comprises a tool pipe body, wherein a drill rod is rotatably arranged at one end of the tool pipe body, spiral blades are arranged on the outer wall of the drill rod, and a flow blocking grid is arranged inside the tool pipe body; the choke grating is movably arranged inside the tool pipe body, a driving rod vertically penetrates through the choke grating, and a connecting mechanism is arranged between the driving rod and the drill rod; the tool pipe is characterized in that a supporting block is arranged on the inner wall of the tool pipe body, the supporting block is located on one side, facing the drill rod, of the flow blocking grating, a plurality of blocks are arranged on the supporting block at equal intervals, a rubber ring is arranged on one side, away from the supporting block, of the flow blocking grating, and a gasket is arranged on one side, away from the flow blocking grating, of the rubber ring. The tool pipe for the sludge geological formation jacking pipe construction has the advantages of convenience in disassembly and high stability.

Description

Tool pipe for sludge geological formation pipe jacking construction

Technical Field

The application relates to the technical field of pipe jacking construction, in particular to a tool pipe for sludge geological formation pipe jacking construction.

Background

The pipe jacking technology is a trenchless tunneling type pipeline laying construction technology for municipal construction, and has the advantages of no influence on the surrounding environment or smaller influence, small construction site, low noise and capability of going deep into the underground operation.

In the construction, in order to avoid as far as possible that a large amount of silt flows into the pipeline in the short time to cause the road surface to cave in, and can cause the problem of incident, prior art has solved this problem through set up drilling rod and choked flow grid in the tool pipe body, but in realizing this application in-process, the inventor finds that there is at least following problem in this technique: drilling rod and choked flow grid generally adopt bolt fixed mounting in the instrument pipe, lead to the dismouting inconvenient inadequately, and then bring inconvenience for clearance maintenance work, for this reason, we provide a silt geological formation push pipe construction and use instrument pipe to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides an in order to solve prior art, drilling rod and choked flow grid dismouting are not convenient enough, and then give the problem that clearance maintenance work brought inconvenience, and the instrument pipe is used in the construction of silt geological formation push pipe that provides.

In order to achieve the above purpose, the present application provides the following technical solutions: a tool pipe for pipe jacking construction of a silt geological formation comprises a tool pipe body, wherein one end of the tool pipe body is rotatably provided with a drill rod, the outer wall of the drill rod is provided with a helical blade, and a flow blocking grid is arranged inside the tool pipe body;

through the technical scheme, the sludge can be guided.

The choke grating is movably arranged inside the tool pipe body, a driving rod vertically penetrates through the choke grating, and a connecting mechanism is arranged between the driving rod and the drill rod;

the tool pipe comprises a tool pipe body and is characterized in that a supporting block is arranged on the inner wall of the tool pipe body, the supporting block is located towards one side of a drill rod, a plurality of supporting blocks are arranged at equal intervals, a rubber ring is arranged on one side, away from the supporting block, of the supporting block, a gasket is arranged on one side, away from the rubber ring, of the blocking grid, a pressing ring is arranged on one side, away from the rubber ring, and a flow guide block is arranged on one side, away from the supporting block, of the blocking grid.

Through the technical scheme, the limiting and fixing of the flow blocking grating are realized.

Preferably, a clamping groove is formed in the inner wall of the tool tube body, the clamping groove is parallel and level to the clamping ring, and a fixing mechanism matched with the clamping groove in a clamped mode is arranged on the clamping ring.

Preferably, the fixing mechanism comprises a cavity arranged inside the compression ring, a sliding plate is arranged inside the cavity in a sliding mode, a clamping block is arranged at one end, close to the side wall of the tool tube body, of the sliding plate, the clamping block penetrates through the side wall of the compression ring and stretches into the clamping groove, and a spring is connected between one end, far away from the clamping block, of the sliding plate and the end wall of the cavity.

Through the technical scheme, clamping fixation of the pressing ring is achieved.

Preferably, the clamping groove is of an arc-shaped structure.

Through the technical scheme, the compression ring is convenient to detach and mount.

Preferably, the pressing ring faces one end face of the gasket and is rotatably embedded with a ball, and the ball is abutted to the gasket.

Through the technical scheme, the drill rod is more favorable for driving the flow blocking grating to rotate and block flow.

Preferably, one end of the drill rod, which faces the choke grating, is provided with a limiting part, the limiting part comprises a sleeve block which is arranged on the drill rod in a rotating mode, a limiting support rod is perpendicularly arranged on the side wall of the sleeve block, a limiting groove is formed in the inner wall of the tool tube body, and one end, far away from the sleeve block, of the limiting support rod extends into the limiting groove.

Through above-mentioned technical scheme, can support the drilling rod, improve the rotatory stability of drilling rod.

Preferably, the end of the stopper groove facing the choke grille is open, and the end of the stopper groove facing away from the choke grille is closed.

Through above-mentioned technical scheme, can take out the maintenance clearance with choked flow grid and drilling rod together from this internal from the tool tube.

Preferably, the connecting mechanism comprises a bolt arranged at one end of the choke grid, the drill rod faces the end of the choke grid, a sleeve is arranged on the driving rod and is in matched and sleeved connection with the bolt, a threaded hole is formed in the bolt, and a bolt in matched and connected with the threaded hole is arranged on the sleeve in a penetrating mode.

Through above-mentioned technical scheme, make things convenient for being connected and the split between drilling rod and the actuating lever.

To sum up, the technical effect and the advantage of this application: the flow-resisting grating can be limited and supported by the supporting block, the spring pushes the sliding plate to enable the clamping block to be inserted into the clamping groove, the flow-resisting grating can be limited and fixed by the pressing ring, and the stability of the flow-resisting grating is improved; the clamping block can be screwed out of the clamping groove by rotating the clamping ring and utilizing the clamping groove with the arc-shaped structure, so that the clamping ring and the flow blocking grating can be conveniently taken out for independent cleaning and maintenance; the ball bearing between the pressure ring and the gasket is more beneficial to the drill rod to drive the flow-resisting grating to rotate and resist flow; the limiting support rod extends into the limiting groove, and the drill rod can be supported by matching with the sleeve block, so that the stability of the drill rod during rotation can be improved as much as possible; and the spacing groove opens towards choked flow grid one end, can take out choked flow grid and drilling rod together from this internally of tool tube, convenient clearance maintenance, and cup joint through bolt and sleeve between drilling rod and the actuating lever, make things convenient for being connected and the split of drilling rod and choked flow grid.

Drawings

FIG. 1 is a schematic view of the internal structure of a tool tube body of the present application;

FIG. 2 is an enlarged view at A in FIG. 1 of the present application;

FIG. 3 is a cross-sectional view of the tool tube body of the present application;

FIG. 4 is a schematic view of the securing mechanism of the present application;

FIG. 5 is a schematic view of a position limiting member according to the present application;

fig. 6 is a schematic view of the connection mechanism of the present application.

Description of reference numerals: 1. a tool tube body; 2. a drill stem; 3. a helical blade; 4. a flow blocking grid; 5. a connecting mechanism; 6. a drive rod; 7. a limiting member; 8. a limiting groove; 9. pressing a ring; 10. a support block; 11. a flow guide block; 12. a rubber ring; 13. a gasket; 14. a ball bearing; 15. a fixing mechanism; 16. a card slot; 17. a cavity; 18. a slide plate; 19. a clamping block; 20. a spring; 21. sleeving blocks; 22. a limit strut; 23. a bolt; 24. a sleeve; 25. a threaded hole; 26. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments in the present application belong to the protection scope of the present application.

Referring to fig. 1, a tool pipe is used in silt geological formation push pipe construction, including tool pipe body 1, the rotation of 1 one end of tool pipe body is provided with drilling rod 2, is provided with helical blade 3 on the 2 outer walls of drilling rod, and 1 inside choked flow grid 4 that is provided with of tool pipe body rotates drilling rod 2 and drives helical blade 3, can play the effect of water conservancy diversion to silt, and choked flow grid 4 can further reduce the velocity of flow of silt.

Referring to fig. 1-2, the choke grille 4 is movably disposed inside the tool tube body 1, a driving rod 6 vertically penetrates through the choke grille 4, a connection mechanism 5 is disposed between the driving rod 6 and the drill rod 2, and the driving rod 6 is used for driving the drill rod 2 to rotate.

Referring to fig. 6, coupling mechanism 5 is including setting up the bolt 23 towards the choked flow grid 4 one end at drilling rod 2, is provided with the sleeve 24 that cup joints with the cooperation of bolt 23 on the actuating lever 6, cup joints through bolt 23 and sleeve 24 between drilling rod 2 and the actuating lever 6, conveniently connects and the split, set up threaded hole 25 on the bolt 23, wear to be equipped with the bolt 26 of being connected with the cooperation of threaded hole 25 on the sleeve 24, utilize being connected of threaded hole 25 and bolt 26, can be to bolt 23 and sleeve 24 relatively fixed.

Referring to fig. 1-2, a supporting block 10 is arranged on the inner wall of a tool tube body 1, the supporting block 10 is located on one side, facing a drill rod 2, of a flow blocking grating 4, the flow blocking grating 4 can be supported in a limiting mode, multiple blocks are arranged on the supporting block 10 at equal intervals, a rubber ring 12 is arranged on one side, away from the supporting block 10, of the flow blocking grating 4, a gasket 13 is arranged on one side, away from the flow blocking grating 4, of the rubber ring 12, the rubber ring 12 is matched with the gasket 13 to improve stability of the flow blocking grating 4, a pressing ring 9 is arranged on one side, away from the rubber ring 12, of the gasket 13, the pressing ring 9 is used for limiting and fixing the flow blocking grating 4, a flow guide block 11 is arranged on one side, away from the inner wall of the tool tube body 1, of the flow guide block 11 is inclined, and circulation of sludge is facilitated.

Referring to fig. 3, a clamping groove 16 is formed in the inner wall of the tool tube body 1, the clamping groove 16 is flush with the clamping ring 9, and the clamping ring 9 is provided with a fixing mechanism 15 which is matched and clamped with the clamping groove 16 and used for limiting and fixing the clamping ring 9, so that the flow blocking grating 4 is fixed.

Referring to fig. 4, the fixing mechanism 15 includes a cavity 17 formed in the pressing ring 9, a sliding plate 18 is slidably disposed in the cavity 17, a clamping block 19 is disposed at one end of the sliding plate 18 close to the side wall of the tool tube body 1, the clamping block 19 penetrates through the side wall of the pressing ring 9 and extends into the clamping groove 16, a spring 20 is connected between one end of the sliding plate 18 far away from the clamping block 19 and the end wall of the cavity 17, after the pressing ring 9 is installed in the tool tube body 1 and aligned with the clamping groove 16, the spring 20 pushes the sliding plate 18 to enable the clamping block 19 to be inserted into the clamping groove 16, and the flow blocking grating 4 can be fixed in a limiting manner through the pressing ring 9.

Referring to fig. 3, draw-in groove 16 is circular-arc structure, can restrict 19 drilling rods of fixture block during operation syntropy and rotate, rotates through clamping ring 9 orientation and drilling rod 2 during operation one side opposite in direction of rotation, can unscrew fixture block 19 draw-in groove 16, and the extrusion of clamping block 19 is contracted to in the cavity 17 simultaneously, conveniently takes out clamping ring 9 and choked flow grid 4.

Referring to fig. 2, the pressing ring 9 is rotatably embedded with balls 14 towards one end face of the washer 13, the balls 14 are abutted to the washer 13, and the pressing ring 9 and the washer 13 are used for facilitating the drill rod 2 to drive the flow blocking grating 4 to block flow in a rotating manner.

Referring to fig. 1 and 5, one end of the drill rod 2, which faces the flow blocking grating 4, is provided with a limiting part 7, the limiting part 7 comprises a sleeve block 21 which is rotatably sleeved on the drill rod 2, a limiting supporting rod 22 is vertically arranged on the side wall of the sleeve block 21, a limiting groove 8 is arranged on the inner wall of the tool tube body 1, one end, far away from the sleeve block 21, of the limiting supporting rod 22 extends into the limiting groove 8, the drill rod 2 can be supported by the matched sleeve block 21, and the stability of rotation of the drill rod 2 is improved.

Referring to fig. 3, the limiting groove 8 is opened towards the one end of the choke grid 4, the limiting groove 8 is closed towards the one end of the choke grid 4, the limiting groove 8 is opened towards the one end of the choke grid 4, the choke grid 4 and the drill rod 2 can be taken out from the tool tube body 1 together, meanwhile, the limiting groove 8 and the supporting block 10 are arranged in a staggered mode, and the sleeve block 21 and the limiting supporting rod 22 are convenient to pack in.

According to the working principle, when the device is used, the choke grating 4 can be limited and supported through the support block 10, the spring 20 pushes the sliding plate 18 to enable the clamping block 19 to be inserted into the clamping groove 16, and the choke grating 4 can be limited and fixed through the pressing ring 9. By rotating the press ring 9 and utilizing the clamping groove 16 with the arc-shaped structure, the clamping block 19 can be screwed out of the clamping groove 16, so that the press ring 9 and the flow blocking grating 4 can be conveniently taken out; the ball 14 between the press ring 9 and the washer 13 is more beneficial for the drill rod 2 to drive the flow-blocking grating 4 to rotate and block flow. Stretch into spacing inslot 8 through spacing branch 22, cooperation nest block 21 can support drilling rod 2, improves the rotatory stability of drilling rod 2. Spacing groove 8 opens towards 4 one ends of choked flow grid, can take out choked flow grid 4 and drilling rod 2 together from tool pipe body 1, and convenient clearance maintenance, and cup joint through bolt 23 and sleeve 24 between drilling rod 2 and the actuating lever 6, conveniently connect and the split.

Finally, it should be noted that: although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications on the technical solutions described in the foregoing embodiments, or make equivalent substitutions on some technical features, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The tool pipe for the pipe jacking construction of the sludge geological formation comprises a tool pipe body (1), wherein one end of the tool pipe body (1) is rotatably provided with a drill rod (2), the outer wall of the drill rod (2) is provided with a helical blade (3), and a flow blocking grid (4) is arranged inside the tool pipe body (1);

the method is characterized in that: the flow blocking grating (4) is movably arranged inside the tool pipe body (1), a driving rod (6) vertically penetrates through the flow blocking grating (4), and a connecting mechanism (5) is arranged between the driving rod (6) and the drill rod (2);

be provided with tray (10) on tool tube body (1) inner wall, tray (10) are located choke grid (4) orientation one side of drilling rod (2), just tray (10) equidistant are provided with the polylith, keep away from choke grid (4) one side of tray (10) is provided with rubber ring (12), rubber ring (12) are kept away from one side of choke grid (4) is provided with packing ring (13), packing ring (13) are kept away from one side of rubber ring (12) is provided with clamping ring (9), tray (10) are kept away from one side of choke grid (4) is provided with water conservancy diversion piece (11).

2. The tool pipe for jacking pipe construction of silt geological formations according to claim 1, wherein: the tool tube is characterized in that a clamping groove (16) is formed in the inner wall of the tool tube body (1), the clamping groove (16) is parallel and level with the pressing ring (9), and a fixing mechanism (15) matched and clamped with the clamping groove (16) is arranged on the pressing ring (9).

3. The tool pipe for jacking pipe construction of silt geological formations according to claim 2, wherein: fixing mechanism (15) is including seting up inside cavity (17) of clamping ring (9), the inside slip of cavity (17) is provided with slide (18), slide (18) are close to the one end of tool tube body (1) lateral wall is provided with fixture block (19), fixture block (19) run through clamping ring (9) lateral wall stretches into in draw-in groove (16), slide (18) are kept away from the one end of fixture block (19) with be connected with spring (20) between cavity (17) end wall.

4. The tool pipe for jacking pipe construction of silt geological formations according to claim 2, wherein: the clamping groove (16) is of an arc-shaped structure.

5. The tool pipe for jacking pipe construction of silt geological formations according to claim 1, wherein: the clamping ring (9) faces to one end face of the gasket (13) and is rotatably embedded with a ball (14), and the ball (14) is abutted to the gasket (13).

6. The tool pipe for jacking pipe construction of silt geological formations according to claim 1, wherein: the drill pipe is characterized in that a limiting part (7) is arranged at one end, facing the choke grating (4), of the drill pipe (2), the limiting part (7) comprises a sleeve block (21) which is arranged on the drill pipe (2) in a rotating mode, a limiting support rod (22) is perpendicularly arranged on the side wall of the sleeve block (21), a limiting groove (8) is formed in the inner wall of the tool pipe body (1), and one end, far away from the sleeve block (21), of the limiting support rod (22) extends into the limiting groove (8).

7. The tool pipe for pipe jacking construction of the silt geological formation as claimed in claim 6, wherein: the limiting groove (8) is opened towards one end of the choke grille (4), and one end, far away from the choke grille (4), of the limiting groove (8) is closed.

8. The tool pipe for pipe jacking construction of the silt geological formation according to claim 1, wherein: coupling mechanism (5) is including setting up drilling rod (2) orientation bolt (23) of choked flow grid (4) one end, be provided with on actuating lever (6) with sleeve (24) that bolt (23) cooperation was cup jointed, set up threaded hole (25) on bolt (23), wear to be equipped with on sleeve (24) with bolt (26) that screw hole (25) cooperation is connected.