CN219412540U - Stock grout stopping device - Google Patents
Stock grout stopping device Download PDFInfo
- Publication number
- CN219412540U CN219412540U CN202320015520.4U CN202320015520U CN219412540U CN 219412540 U CN219412540 U CN 219412540U CN 202320015520 U CN202320015520 U CN 202320015520U CN 219412540 U CN219412540 U CN 219412540U
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- nut
- sealing plug
- grouting
- assembly
- rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an anchor rod slurry stopping device, which comprises a rod body provided with external threads, a flow guiding assembly and a quantitative discharging assembly, wherein the rod body is provided with external threads; the guide assembly comprises a nut in threaded fit with the rod body and a positioning pipe sleeved on the rod body, the positioning pipe is fixedly connected with the nut, and the positioning pipe is provided with a guide groove axially extending from one end connected with the nut to the other end of the positioning pipe; the quantitative discharge assembly comprises a tube body fixed on the nut, through holes are formed in the tube body and the nut and communicated with each other to form a diversion hole, the diversion hole is communicated with the diversion groove, and a flow regulating assembly is further arranged in the tube body. The utility model can adjust the grouting flow to be matched according to different grouting pressures; and the diversion hole of the quantitative discharge assembly can be closed by the movable shaft after grouting is finished so as to prevent the slurry from flowing out. The utility model can effectively ensure the smooth discharge of the gas in the grouting hole and the smooth injection of the slurry, is beneficial to improving the grouting quality and the anchoring force of the anchor rod.
Description
Technical Field
The utility model relates to the technical field of engineering construction equipment, in particular to an anchor rod grout stopping device.
Background
Grouting anchor rods are widely applied construction tools in tunnel engineering, side slope treatment engineering and coal mine tunnel engineering. The rod body of the grouting anchor rod adopts a hollow structure, and a drill hole is drilled in the rod body and is used as a high-pressure air water channel and a grouting channel; the hollow shaft body can provide better rigidity and shear strength than conventional solid shaft bodies. The outer peripheral surface of the rod body of the grouting anchor rod is provided with a standard large-pitch thread structure, the thread structure is convenient for realizing the cutting and lengthening of the rod body of the anchor rod, and compared with a smooth rod body, the bonding area of the rod body and grouting materials can be increased, so that the anchoring force of the anchor rod is improved.
The existing grouting anchor rod is generally provided with a grouting stop plug, and the grouting hole opening of the grouting anchor rod is sealed through the grouting stop plug, so that the slurry is prevented from seeping out of the grouting hole after grouting is finished. However, when the grouting hole is tightly sealed by the grouting plug, gas in the grouting hole is not easy to discharge, so that the subsequent injection of the slurry is affected; if the grouting plug is not tightly sealed to the grouting hole, the grouting material overflows after being filled.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the anchor rod grouting device can improve the smoothness of anchor rod grouting and is convenient for discharging gas in the anchor rod.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the anchor rod slurry stopping device comprises a rod body provided with external threads, a flow guiding assembly and a quantitative discharging assembly;
the guide assembly comprises a nut in threaded fit with the rod body and a positioning pipe sleeved on the rod body, the positioning pipe is fixedly connected with the nut, and a guide groove axially extending from one end connected with the nut to the other end of the positioning pipe is arranged on the positioning pipe;
the quantitative discharging assembly comprises a tube body fixed on the nut, through holes are formed in the tube body and the nut and communicated with each other to form a diversion hole, the diversion hole is communicated with the diversion groove, and a flow regulating assembly is further arranged in the tube body.
Further is: the flow guiding assembly further comprises a sealing plug, and the sealing plug is a conical plug with a through hole; the sealing plug is sleeved on the positioning pipe and is in clearance fit with the positioning pipe, and the large end of the sealing plug is close to the nut.
Further is: the sealing plug is characterized by further comprising a supporting ring, wherein the supporting ring is sleeved between the sealing plug and the positioning pipe, the supporting ring and the positioning pipe can rotate relatively, the supporting ring is fixedly connected with the sealing plug, and the inner wall surface of the supporting ring is attached to the outer peripheral surface of the positioning pipe.
Further is: the sealing plug is fixedly connected with the guard board.
Further is: the sealing plug also comprises a fixing ring which is fixed on the end face of the nut close to one end of the sealing plug, and the fixing ring is fixedly connected with the positioning pipe; the guard plate is sleeved on the fixed ring and is in rotatable fit with the fixed ring.
Further is: the external diameter of the fixed ring is smaller than that of the nut, and the joint of the fixed ring and the nut forms a step surface which is attached to the guard plate.
Further is: the end face edge of the fixing ring, which is close to one end of the positioning pipe, is provided with a chamfer angle.
Further is: the flow regulating assembly comprises a movable shaft rotatably arranged in the pipe body, and the movable shaft transversely penetrates through the diversion hole and is rotatably connected with the pipe body; the movable shaft is provided with a core hole which radially penetrates through the movable shaft.
Further is: the flow regulating assembly further comprises a regulating rod arranged on the movable shaft, one end of the regulating rod extends into the pipe body and is fixedly connected with the regulating rod, and the other end of the regulating rod extends out of the pipe body.
Further is: the flow regulating assembly further comprises a sealing ring sleeved on the movable shaft.
The beneficial effects of the utility model are as follows: according to the utility model, the grouting structure of the grouting anchor rod is improved, the guide assembly and the quantitative discharge assembly are added on the rod body, the guide groove in the guide assembly and the guide hole in the quantitative discharge assembly are matched to be used as a conveying channel of gas and slurry at the same time, and the conveying flow is controlled, so that the grouting flow which is matched with each other can be regulated according to different grouting pressures; and the diversion hole of the quantitative discharge assembly can be closed by the movable shaft after grouting is finished so as to prevent the slurry from flowing out. The utility model can effectively ensure the smooth discharge of the gas in the grouting hole and the smooth injection of the slurry, is beneficial to improving the grouting quality and the anchoring force of the anchor rod.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is an enlarged schematic view as at A in FIG. 1;
FIG. 3 is a cross-sectional view of the present utility model;
FIG. 4 is a schematic view of an assembly of a baffle assembly and a metering assembly of the present utility model;
marked in the figure as: 100-rod body, 200-flow guiding component, 210-nut, 220-positioning tube, 221-flow guiding groove, 230-sealing plug, 240-supporting ring, 250-guard plate, 260-fixed ring, 300-quantitative discharging component, 310-tube body, 320-flow guiding hole, 410-movable shaft, 411-core hole, 420-adjusting rod and 430-sealing ring.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model is further described below with reference to the accompanying drawings.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or components referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, the anchoring-bolt grout stop device disclosed by the utility model is composed of a rod body 100, a diversion assembly 200 and a quantitative discharge assembly 300. The rod body 100 is an anchoring main body structure of the anchor rod grouting device, the left end of the rod body 100 can extend into a grouting hole to be grouting, the right end of the rod body 100 is communicated with an external slurry conveying pipeline, and slurry can flow into the grouting hole through an inner cavity of the rod body 100; the outer peripheral surface of the rod body 100 is provided with external threads, after the rod body 100 of the anchor rod grout stop device is inserted into the grouting hole, grout is injected into the grouting hole and filled between the grouting hole and the thread structure of the rod body 100, so that the anchor rod grout stop device is fixed. The main improvement scheme of the utility model is that the diversion component 200 and the quantitative discharge component 300 are added on the rod body 100, and the diversion component 200 and the quantitative discharge component 300 have the main functions of discharging the gas in the grouting holes and blocking the slurry injected into the grouting holes.
As shown in fig. 1 to 4, the flow guiding assembly 200 used in the present utility model comprises a nut 210 and a positioning tube 220, wherein the nut 210 is connected with the rod body 100 of the anchor rod grout stop device, and an internal threaded hole matched with an external thread on the rod body 100 is arranged on the nut 210, so that the nut 210 is in threaded connection with the rod body 100; the sealing between the nut 210 and the rod body 100 can be achieved by the threaded engagement between the nut 210 and the rod body 100, so that the slurry injected into the grouting hole can be prevented from overflowing between the nut 210 and the rod body 100. The positioning tube 220 is a tubular structure sleeved on the rod body 100, a through hole matched with the rod body 100 is formed in the positioning tube 220, the positioning tube 220 is in clearance fit with the rod body 100 so that the positioning tube 220 can slide along the rod body 100, the positioning tube 220 is fixedly connected with the nut 210, and the positioning tube 220 can be driven to move along the rod body 100 by rotating the nut 210. A guide groove 221 is formed in the outer circumferential surface of the positioning tube 220, and the guide groove 221 axially extends from one end of the positioning tube 220 connected to the nut 210 to the other end of the positioning tube 220.
As shown in fig. 1 to 4, the main body of the quantitative discharge assembly 300 used in the present utility model is a tube body 310 fixed on a nut 210, through holes are provided in both the tube body 310 and the nut 210 of the flow guiding assembly 200, the through holes of the tube body 310 are axial through holes, the through holes of the nut 210 are radial through holes, the through holes in the nut 210 are communicated with a flow guiding groove 221 on a positioning tube 220, and the through holes in the nut 210 and the tube body 310 are communicated to form a flow guiding hole 320; the diversion holes 320 and the diversion trenches 221 are communicated and matched to be used as a discharge channel of gas in the grouting holes and a grouting channel for grouting into the grouting holes. In order to adjust the grouting flow, a flow adjusting component is added in the pipe body 310, and the grouting flow in the adjusting guide hole 320 can be adjusted through the flow adjusting component. In the process of grouting into the grouting holes, the air pressure in the grouting holes is increased, and the air in the grouting holes can be discharged out of the grouting anchor rod through the diversion trenches 221 and the diversion holes 320 so as to ensure that the subsequent grouting work is smoothly carried out; after the grouting operation is finished, the excessive slurry can overflow out of the quantitative discharge assembly 300 through the diversion trench 221 and the diversion hole 320, at this time, the quantitative discharge assembly 300 can be adjusted, the diversion hole 320 is closed, and thus the slurry is blocked in the grouting hole, and the slurry can not flow out continuously. The utility model effectively solves the problem that the grouting anchor rod is difficult to discharge gas in the grouting hole to influence the injection of subsequent slurry, and simultaneously solves the problem that the slurry continuously overflows due to the fact that the grouting hole is not tightly sealed.
In order to improve the sealing effect on the grouting hole, a sealing plug 230 is added in the diversion assembly 200, as shown in fig. 1 to 3, the sealing plug 230 adopts a conical plug with a through hole, the small end of the sealing plug 230 faces the direction of the grouting hole, and the large end faces the direction of the nut 210; the sealing plug 230 is sleeved on the positioning tube 220, and the inner diameter of the through hole of the sealing plug 230 is slightly larger than the outer diameter of the positioning tube 220, so that the sealing plug 230 is in clearance fit with the positioning tube 220, and the sealing plug 230 can slide along the positioning tube 220. After the sealing plug 230 is adopted, before grouting, the sealing plug 230 can be pushed forward by rotating the nut 210, so that the small end of the sealing plug 230 is inserted into the orifice of the grouting hole to press and seal the grouting hole; the sealing plug 230 is preferably made of a material having a certain elasticity, such as rubber or silica gel, so as to provide a better sealing effect for the sealing plug 230.
In the process of sealing the orifice of the grouting hole by adopting the sealing plug 230, the outer peripheral surface of the elastic sealing plug 230 is pressed and deformed to be pressed with the grouting hole, but as the guide groove 221 on the positioning pipe 220 is positioned at the inner side of the sealing plug 230, if the inner wall surface of the sealing plug 230 is deformed, the guide groove 221 is easily embedded to influence the normal operation of air exhaust and grouting; therefore, the supporting ring 240 is added between the positioning tube 220 and the sealing plug 230, and the supporting ring 240 is sleeved on the positioning tube 220, so that the supporting ring 240 supports the sealing plug 230, the inner wall surface of the supporting ring 240 is attached to the outer peripheral surface of the positioning tube 220, and the outer peripheral surface of the supporting ring 240 is attached to the inner wall surface of the sealing plug 230. The support ring 240 can support the sealing ring 230 so that deformation does not occur on the inner wall surface of the sealing ring 230, thereby ensuring smooth exhaust and grouting processes in the guide groove 221.
In the utility model, a guard plate 250 is additionally arranged between the sealing plug 230 and the nut 210, the guard plate 250 is rotatably arranged between the sealing plug 230 and the nut 210, and the large end of the sealing plug 230 is fixed on the end face of the guard plate 240; the nut 210 is rotated to advance the sealing plug 230 fixed to the shield 250 by pushing the shield 250. The sealing plug further comprises a fixed ring 260 fixed on the end face of the nut 210, which is close to one end face of the sealing plug 230, and the fixed ring 260 is fixedly connected with the positioning tube 220; the guard plate 250 is sleeved on the fixed ring 260 and is in clearance fit with the fixed ring 260 to realize relative rotation between the guard plate 250 and the fixed ring 260. The sealing performance with the sealing plug 230 can be improved by providing the fixing ring 260, so that the sealing effect of the joint is further improved to avoid the overflow of the slurry. The nut 210 pushes the guard plate 250 by limiting the guard plate 250, and the outer diameter of the fixing ring 260 is limited to make the outer diameter of the fixing ring 260 smaller than the outer diameter of the nut 210, so that a step surface attached to the guard plate 250 is formed at the joint of the fixing ring 260 and the nut 210, and the guard plate 250 is clamped between the nut 210 and the sealing plug 230. In addition, the end surface edge of the fixing ring 260 near one end of the positioning tube 220 may be chamfered, and an annular groove matched with the edge chamfer of the fixing ring 250 is provided on the end surface of the large end of the sealing plug 230, so that the sealing plug 230 can be sleeved on the fixing ring 260.
As shown in fig. 1, 3 and 4, the flow rate adjusting assembly employed in the metered discharge assembly 300 of the present utility model includes a movable shaft 410 provided in a tube body 310 and an adjusting lever 420 fixed to the movable shaft 410. A containing hole vertically communicated with the diversion hole 320 is formed in the pipe body 310, the movable shaft 410 is rotatably arranged in the containing hole, the outer diameter of the movable shaft 410 is larger than the aperture of the diversion hole 320, and a core hole 411 radially penetrating through the movable shaft 410 is formed in the movable shaft 410 to form a valve structure; when the movable shaft 410 is rotated to communicate the core hole 411 on the movable shaft 410 with the pilot hole 320, the air discharge or grouting work can be performed through the pilot hole 320; when the movable shaft 410 is rotated to completely stagger the core hole 411 on the movable shaft 410 from the diversion hole 320, the diversion hole 320 is closed, gas cannot be discharged, and slurry cannot overflow; when the movable shaft 410 is rotated to enable the core hole 411 on the movable shaft 410 to be partially staggered with the diversion hole 320, the flow of the diversion hole 320 can be adjusted according to the staggered degree of the core hole 411 and the diversion hole 320, so that the grouting anchor rod can adapt to different use environments; and, under different grouting pressures, through adjusting the flow of guiding hole 320, can avoid grouting hole internal slurry to jet out, the downthehole gas of grouting of being convenient for is discharged at the uniform velocity simultaneously, makes grouting hole inside keep higher atmospheric pressure, and the slurry can permeate in grouting hole's pore wall gap better under the effect of higher atmospheric pressure, improves grouting anchor's anchoring force. In addition, a sealing ring 430 may be sleeved on the movable shaft 410 to improve the sealing performance of the structure.
In the utility model, the adjusting rod 420 fixed on the movable shaft 410 is used for driving the movable shaft 410 to rotate, one end of the adjusting rod 420 extends into the pipe body 310 and is fixedly connected with the adjusting rod 420, and the other end extends out of the pipe body 310; one end of the adjusting rod 420 extending out of the pipe body 310 can be bent, so that the adjusting rod 420 is L-shaped, and an operator can conveniently hold the adjusting rod 420 to rotate the movable shaft 410.
Claims (10)
1. The utility model provides a stock stop device, including being equipped with the body of rod (100) of external screw thread, its characterized in that: the device also comprises a diversion assembly (200) and a quantitative discharge assembly (300);
the flow guide assembly (200) comprises a nut (210) in threaded fit with the rod body (100) and a positioning pipe (220) sleeved on the rod body (100), the positioning pipe (220) is fixedly connected with the nut (210), and a flow guide groove (221) axially extending from one end connected with the nut (210) to the other end of the positioning pipe (220) is arranged on the positioning pipe (220);
the quantitative discharge assembly (300) comprises a tube body (310) fixed on the nut (210), through holes are formed in the tube body (310) and the nut (210) in a communicating mode to form a diversion hole (320), the diversion hole (320) is communicated with the diversion groove (221), and a flow adjusting assembly is further arranged in the tube body (310).
2. The bolt slurry stop apparatus of claim 1, wherein: the flow guiding assembly (200) further comprises a sealing plug (230), and the sealing plug (230) is a conical plug with a through hole; the sealing plug (230) is sleeved on the positioning tube (220) and is in clearance fit with the positioning tube (220), and the large end of the sealing plug (230) is close to the nut (210).
3. The anchor rod grout stop device of claim 2 wherein: the sealing plug comprises a sealing plug body, and is characterized by further comprising a supporting ring (240), wherein the supporting ring (240) is sleeved between the sealing plug body (230) and the positioning tube (220), the supporting ring (240) and the positioning tube (220) can rotate relatively, the supporting ring (240) is fixedly connected with the sealing plug body (230), and the inner wall surface of the supporting ring (240) is attached to the outer peripheral surface of the positioning tube (220).
4. A bolt grout stop apparatus as claimed in claim 3 wherein: the sealing plug further comprises a guard plate (250), the guard plate (250) is rotatably arranged between the sealing plug (230) and the nut (210), and the sealing plug (230) is fixedly connected with the guard plate (250).
5. The bolt slurry stop apparatus of claim 4, wherein: the sealing plug further comprises a fixing ring (260) which is fixed on the end face of the nut (210) close to one end of the sealing plug (230), and the fixing ring (260) is fixedly connected with the positioning tube (220); the guard plate (250) is sleeved on the fixed ring (260) and is in rotatable fit with the fixed ring (260).
6. The bolt slurry stop apparatus of claim 5, wherein: the outer diameter of the fixed ring (260) is smaller than that of the nut (210), and a step surface attached to the guard plate (250) is formed at the joint of the fixed ring (260) and the nut (210).
7. The bolt slurry stop apparatus of claim 5, wherein: the end surface edge of the fixing ring (260) close to one end of the positioning pipe (220) is provided with a chamfer.
8. The bolt slurry stop apparatus of claim 1, wherein: the flow regulating assembly comprises a movable shaft (410) rotatably arranged in the pipe body (310), and the movable shaft (410) transversely penetrates through the diversion hole (320) and is rotatably connected with the pipe body (310); the movable shaft (410) is provided with a core hole (411) which radially penetrates through the movable shaft (410).
9. The rock bolt grout stop apparatus of claim 8 wherein: the flow regulating assembly further comprises a regulating rod (420) arranged on the movable shaft (410), one end of the regulating rod (420) extends into the pipe body (310) and is fixedly connected with the regulating rod (420), and the other end of the regulating rod extends out of the pipe body (310).
10. The rock bolt grout stop apparatus of claim 8 wherein: the flow regulating assembly further includes a sealing ring (430) sleeved on the movable shaft (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320015520.4U CN219412540U (en) | 2023-01-04 | 2023-01-04 | Stock grout stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320015520.4U CN219412540U (en) | 2023-01-04 | 2023-01-04 | Stock grout stopping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219412540U true CN219412540U (en) | 2023-07-25 |
Family
ID=87241475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320015520.4U Active CN219412540U (en) | 2023-01-04 | 2023-01-04 | Stock grout stopping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219412540U (en) |
-
2023
- 2023-01-04 CN CN202320015520.4U patent/CN219412540U/en active Active
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| GR01 | Patent grant | ||
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