CN115306346A - Mine Aojiao top slip casting reinforcing apparatus - Google Patents
Mine Aojiao top slip casting reinforcing apparatus Download PDFInfo
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- CN115306346A CN115306346A CN202210981795.3A CN202210981795A CN115306346A CN 115306346 A CN115306346 A CN 115306346A CN 202210981795 A CN202210981795 A CN 202210981795A CN 115306346 A CN115306346 A CN 115306346A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a mine AoHui top grouting reinforcement device which comprises a roadway, a five-ash aquifer, an AoHui aquifer and a drill hole, wherein a grouting pipe assembly is arranged in the drill hole, and a grouting control mechanism is arranged at the upper end of the grouting pipe assembly; the grouting pipe assembly comprises an inner pipe and an outer pipe, wherein the inner pipe and the outer pipe are provided with a plurality of pipes which are in threaded connection end to end; slip casting control mechanism includes rectangle case and reposition of redundant personnel portion, rectangle case lower extreme and slip casting pipe subassembly upper end threaded connection, rectangle case upper end can be dismantled with the output tube and be connected, reposition of redundant personnel portion control thick liquid body selectivity passes through inner tube and outer tube. The grouting control mechanism has the advantages that the flow path of the grout body can be selectively controlled through the action of the grouting control mechanism, the grout body can be rapidly controlled to select continuous grouting or intermittent grouting, grouting operations of different aquifers do not interfere with each other, and grouting efficiency is further improved while application flexibility is improved.
Description
Technical Field
The invention relates to the technical field of coal mine geological formation grouting reinforcement, in particular to a mine AoHui top grouting reinforcement device.
Background
The Ordovician limestone is always used as a strong aquifer (called the Ordovician limestone aquifer for short) in the North China coal field area, is a main object of the threat of coal mining water damage, and has increasingly high danger as the mining depth increases and the water pressure increases; a large number of North China coal fields are threatened by deep high-pressure-bearing Ordovician ash water, so that how to realize safe mining under pressure of coal mines is a target explored in the North China coal fields in recent years, and however, an actual geological water-bearing layer has two or more layers (a five-ash water-bearing layer is shallow in depth);
the existing operation is to reinforce aquifers at different positions, and has the specific operation that the drilling equipment is used for drilling, the grouting equipment is used for grouting a shallow five-ash aquifer once, multiple pressure measurement and water drainage experiments are required after grouting, and finally grouting can be carried out on an Ordovician ash aquifer with a deep depth, and the grouting mode needs to be frequently switched according to the change of grouting pressure during grouting; the existing grouting operation has the following defects: 1. the existing operation is to carry out grouting operation on an upper aquifer, then grouting on a lower aquifer and sequentially operating; two or more aquifers cannot be simultaneously subjected to grouting operation, so that the grouting time is greatly increased; 2. most grouting equipment directly injects the grout body into a drill hole, cannot selectively control the flow path of the grout body, and is low in flexibility.
Disclosure of Invention
Aiming at the defects, the invention provides a mine AoHui top grouting reinforcement device, which solves the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mine AoHui top grouting reinforcement device comprises a roadway, a wu-Hui-containing stratum, an AoHui-containing stratum, a drill hole, a slurry body and a grouting machine, wherein the grouting machine is placed in the roadway, the drill hole penetrates through the wu-Hui-containing stratum and the AoHui-containing stratum, a fixing assembly is arranged at the top end of the drill hole, an output pipe is installed at the output end of the grouting machine, a grouting pipe assembly is installed in the drill hole and used for limiting a grouting pipe assembly, and a grouting control mechanism is installed at the upper end of the grouting pipe assembly;
the grouting pipe assembly comprises an inner pipe and an outer pipe, wherein a fixing piece is mounted on the outer side of the inner pipe, the inner pipe is fixedly connected with the outer pipe through the fixing piece, external threads are arranged at the upper ends of the inner pipe and the outer pipe respectively, internal threads are arranged at the lower ends of the inner pipe and the outer pipe respectively, the inner pipe and the outer pipe are provided with a plurality of parts which are in threaded connection end to end, and the grout body moves to a five-ash aquifer and an Ordok aquifer through the inner pipe and the outer pipe;
slip casting control mechanism includes rectangle case and reposition of redundant personnel portion, rectangle case lower extreme and slip casting pipe subassembly upper end threaded connection, rectangle case upper end can be dismantled with the output tube and be connected, reposition of redundant personnel portion control thick liquid body selectivity passes through inner tube and outer tube.
In the first embodiment, the diversion portion controls the slurry body to selectively pass through the inner tube and the outer tube in a rotating manner, the diversion portion includes a conversion box arranged at the upper end of the inner tube, a sealing bearing is arranged at the lower end of the conversion box, a connecting shaft is arranged at an inner ring of the sealing bearing, a turbine is arranged at the lower end of the connecting shaft, a speed reduction motor is arranged at the lower surface of the conversion box, a worm meshed with the turbine is arranged at a rotating end of the speed reduction motor, a cylindrical solid body is arranged at the upper end of the connecting shaft and located in the conversion box, the cylindrical solid body is in interference fit with the conversion box, a T-shaped channel is formed in the cylindrical solid body, an L-shaped channel is formed in the cylindrical solid body, and two L-shaped channels are formed in the cylindrical solid body; the T-shaped channel is communicated with the L-shaped channel.
Furthermore, the rectangular box comprises a first box body and a second box body, and the first box body is fixedly connected with the second box body; the lower surfaces of the first box body and the second box body are respectively provided with a round hole, the inner sides of the round holes are provided with a first internal thread pipe, the first internal thread pipe on the first box body is in threaded connection with the upper end of the inner pipe, the first internal thread pipe on the second box body is in threaded connection with the upper end of the outer pipe, the upper surface of the second box body is provided with a second internal thread pipe, and the second internal thread pipe is in threaded connection with the upper end of the inner pipe; a sealed cavity is formed between the first box body and the inner pipe; an annular cavity is formed between the inner pipe and the outer pipe, and a sealed cavity is formed between the second box body and the annular cavity; the two side surfaces of the first box body and the second box body are respectively provided with an L-shaped pipe, the upper end of each L-shaped pipe is communicated with the conversion box, and the L-shaped pipes correspond to the T-shaped channels.
Furthermore, a rotary sealing valve is mounted at the upper end of the conversion box, the lower end of the rotary sealing valve is communicated with the T-shaped channel, and the upper end of the rotary sealing valve is communicated with the output pipe.
Furthermore, a sealing ring is installed at the lower end of the conversion box, and the sealing ring corresponds to the L-shaped pipe in position.
Embodiment two, it is further, reposition of redundant personnel portion passes through inner tube and outer tube through the mode control thick liquid body selectivity that reciprocates, reposition of redundant personnel portion is including installing the fixed pipe at rectangle incasement surface, fixed pipe and outer tube upper end threaded connection, pneumatic cylinder one is installed to rectangle case upper end, and the flexible end of pneumatic cylinder stretches into the rectangle case, and tapered rubber stopper is installed to the flexible end of pneumatic cylinder, and tapered rubber stopper is used for shutoff inner tube upper end, pneumatic cylinder two is installed to rectangle case lower extreme, and pneumatic cylinder and flexible end stretch into the rectangle case, and the annular slab is installed to the flexible end of pneumatic cylinder two, and annular slab sub-surface mounting has annular rubber stopper, and annular rubber stopper is used for shutoff outer tube upper end.
Furthermore, the side surface of the rectangular box is provided with a conveying pipe, and one end of the conveying pipe is communicated with the output pipe.
Furthermore, the inner side of the upper end of the outer pipe is provided with a chamfer.
Further, the extending direction of the fixing piece is the same as the extending direction of the inner pipe.
The invention has the beneficial effects that: by the structure of the grouting pipe assembly, the grouting pipe assembly can be inserted into different water-bearing layers to perform simultaneous grouting operation according to actual conditions, so that grouting time is greatly shortened, and working efficiency is improved;
through the effect of slip casting control mechanism, enough selectivity control slurry body's flow path, but quick control slurry body selects to carry out continuous slip casting or intermittent type slip casting to the slip casting operation noninterfere of different aquifers further improves slip casting efficiency when improving the flexibility of using.
Drawings
FIG. 1 is a schematic structural diagram of a mine Ordovician limestone top grouting reinforcing device provided by the invention;
FIG. 2 is a schematic view of a grouted pipe assembly;
FIG. 3 is a first schematic view of the flow divider;
FIG. 4 is a schematic view of a first case;
FIG. 5 is a second schematic view of the flow divider;
FIG. 6 is a schematic top view of an annular plate;
FIG. 7 is a first schematic view of an L-shaped channel;
FIG. 8 is a second schematic view of an L-shaped channel;
FIG. 9 is a state diagram of a cylindrical solid body;
in the figure, 1, a roadway; 2. a five-ash aquifer; 3. an aqueous layer of Ordovician limestone; 4. drilling; 5. a slurry body; 6. grouting machine; 7. a fixing assembly; 8. an output pipe; 9. an inner tube; 10. an outer tube; 11. a fixing sheet; 12. an external thread; 13. an internal thread; 14. a rectangular box; 15. a conversion box; 16. sealing the bearing; 17. a connecting shaft; 18. a turbine; 19. a reduction motor; 20. a worm; 21. a cylindrical solid; 22. a T-shaped channel; 23. an L-shaped channel; 24. a first box body; 25. a second box body; 26. a circular hole; 27. a first internal threaded pipe; 28. a second internal threaded pipe; 29. an annular cavity; 30. an L-shaped tube; 31. a rotary seal valve; 32. a seal ring; 33. a fixed tube; 34. a first hydraulic cylinder; 35. a conical rubber plug; 36. a second hydraulic cylinder; 37. an annular plate; 38. an annular rubber plug; 39. a delivery pipe; 40. and (7) chamfering.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.
The embodiment of the present application provides a mine AoHui top grouting reinforcement device, please refer to fig. 1-9: the grouting machine comprises a roadway 1, a five-ash aquifer 2, an AoHu aquifer 3, a drill hole 4, a slurry body 5 and a grouting machine 6, wherein the grouting machine 6 is placed in the roadway 1, the drill hole 4 penetrates through the five-ash aquifer 2 and the AoHu aquifer 3, a fixing component 7 is arranged at the top end of the drill hole 4, an output pipe 8 is installed at the output end of the grouting machine 6, a grouting pipe component is installed in the drill hole 4, the fixing component 7 is used for limiting the grouting pipe component, and a grouting control mechanism is installed at the upper end of the grouting pipe component;
the grouting pipe assembly comprises an inner pipe 9 and an outer pipe 10, wherein a fixing piece 11 is installed on the outer side of the inner pipe 9, the inner pipe 9 is fixedly connected with the outer pipe 10 through the fixing piece 11, external threads 12 are respectively arranged at the upper ends of the inner pipe 9 and the outer pipe 10, internal threads 13 are respectively arranged at the lower ends of the inner pipe 9 and the outer pipe 10, the inner pipe 9 and the outer pipe 10 are provided with a plurality of pipes which are in threaded connection end to end, and the slurry body 5 moves to a five-ash aquifer 2 and an Ordovician aquifer 3 through the inner pipe 9 and the outer pipe 10;
slip casting control mechanism includes rectangle case 14 and reposition of redundant personnel portion, and 14 lower extremes of rectangle case and slip casting pipe subassembly upper end threaded connection, and rectangle case 14 upper end can be dismantled with output tube 8 and be connected, and reposition of redundant personnel portion control thick liquid body 5 selectivity is through inner tube 9 and outer tube 10.
In practical application, a drilling hole 4, a grouting machine 6 and related construction equipment are moved into a roadway, an actual drilling position is determined after monitoring, grouting pipe assemblies can be conveyed into the drilling hole 4 one by one through external pipe conveying equipment, and then the grouting pipe assemblies are fixed through a fixing assembly 7;
the grouting pipe assembly is provided with two types, wherein one type is that an inner pipe 9 is connected end to end and is used for extending to the position of the Ordovician ash aquifer 3, the other type is that the inner pipe 9 and an outer pipe 10 are fixed together end to end, the type extends to the position of the Ordovician ash aquifer 2, the depths of the Ordovician ash aquifer 2 and the Ordovician ash aquifer 3 are determined in advance before drilling and grouting, drilling is carried out through a drilling machine, then the inner pipe 9 is connected end to end and extends downwards for a certain distance, then the grouting pipe assembly fixedly connected with the inner pipe 9 and the outer pipe 10 is in threaded connection with the inner pipe 9 which is arranged in the drilling hole below, (for example, the drilling distance from the Ordovician ash aquifer 3 to the Ordovician ash aquifer 2 is 12 meters, one section of the inner pipe 9 is 6 meters, then two sections of the inner pipe 9 are installed firstly, then the combination of the inner pipe 9 and the outer pipe 10 is installed continuously), and when the inner pipe 9 at the lowest end moves to the Ordovician ash aquifer 3, the Ordovician ash aquifer 2 is moved to the Ordovician ash aquifer, the bottom is just moved to the Ordovician ash aquifer 2, so as to be convenient for simultaneously grouting;
the grouting machine 6 firstly passes the grout body 5 through the grouting control mechanism and then enters the grouting pipe assembly, and the flow path of the grout body 5 can be controlled through the action of the grouting control mechanism 1 and simultaneously the grout is injected into the inner pipe 9 and the outer pipe 10; 2. grouting the inner pipe 9 and not grouting the outer pipe 10 (a cavity between the inner pipe 9 and the outer pipe 10); 3. the outer tube 10 is grouted (cavity between the inner tube 9 and the outer tube 10) without grouting the inner tube 9; 4. simultaneously, the inner pipe 9 and the outer pipe 10 are not grouted, and the four states are realized; the purpose of intermittent grouting is achieved.
Referring to the first embodiment of the present disclosure, referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 7, fig. 8, and fig. 9 of the present disclosure, the diversion portion controls the slurry body 5 to selectively pass through the inner tube 9 and the outer tube 10 in a rotating manner, the diversion portion includes a conversion box 15 disposed at the upper end of the inner tube 9, a sealing bearing 16 is mounted at the lower end of the conversion box 15, a connecting shaft 17 is mounted on an inner ring of the sealing bearing 16, a turbine 18 is mounted at the lower end of the connecting shaft 17, a decelerating motor 19 is mounted on the lower surface of the conversion box 15, a worm 20 meshed with the turbine 18 is mounted at a rotating end of the decelerating motor 19, a cylindrical solid 21 is mounted at the upper end of the connecting shaft 17, the cylindrical solid 21 is located in the conversion box 15, the cylindrical solid 21 is in interference fit with the conversion box 15, a T-shaped channel 22 is formed on the cylindrical solid 21, an L-shaped channel 23 is formed on the cylindrical solid 21, and two L-shaped channels 23 are provided; the T-shaped passage 22 communicates with the L-shaped passage 23.
The rectangular box 14 comprises a first box body 24 and a second box body 25, and the first box body 24 is fixedly connected with the second box body 25; round holes 26 are respectively formed in the lower surfaces of the first box body 24 and the second box body 25, a first internal thread pipe 27 is installed on the inner side of each round hole 26, the first internal thread pipe 27 on the first box body 24 is in threaded connection with the upper end of the inner pipe 9, the first internal thread pipe 27 on the second box body 25 is in threaded connection with the upper end of the outer pipe 10, a second internal thread pipe 28 is installed on the upper surface of the second box body 25, and the second internal thread pipe 28 is in threaded connection with the upper end of the inner pipe 9; a sealed cavity is formed between the first box body 24 and the inner pipe 9; an annular cavity 29 is formed between the inner pipe 9 and the outer pipe 10, and a sealed cavity is formed between the second box body 25 and the annular cavity 29; l-shaped pipes 30 are respectively arranged on the side surfaces of the first box body 24 and the second box body 25, the upper ends of the L-shaped pipes 30 are communicated with the conversion box 15, and the L-shaped pipes 30 correspond to the T-shaped channels 22.
In practical application, the first box body 24 and the second box body 15 are manually and threadedly connected with the grouting pipe assembly until the upper end of the grouting pipe assembly is flush with the upper end of the first internal threaded pipe 27;
the slurry body 5 is discharged from the output pipe 8 through the operation of the grouting machine 6, then flows into the rotary sealing valve 31 and the T-shaped channel 22 (at the moment, the lower end of the T-shaped channel 22 is in a state of being communicated with the L-shaped pipe 30), the slurry body 5 enters the first box body 4 and the second box body 25 through the L-shaped pipe 30, the second box body 25 and the annular cavity 29 are in a sealed state through the meshing effect of the first internal thread pipe 27 and the second internal thread pipe 28 on the second box body 25 and the external thread 12, and the first box body 4 and the internal pipe 9 are in a sealed state through the meshing effect of the first internal thread pipe 27 on the first box body 24 and the external thread 12; the grout body 5 can enter the inner pipe 9 through the first box body 4, and the grout is discharged at the position of the Ordovician limestone aquifer 3 under the guidance of the inner pipe 9, so that grouting plugging is continuously performed on the Ordovician limestone aquifer; the slurry body 5 can enter the annular cavity 29 between the inner pipe 9 and the outer pipe 10 through the second box body 25, the slurry is discharged at the position of the five-ash aquifer 2 through the guide of the annular cavity 29, and the five-ash aquifer 2 is continuously subjected to grouting plugging;
when the five-ash aquifer 2 needs to be subjected to intermittent grouting plugging, the slurry body 5 needs to be paused to flow through the second box body 25, the speed reducing motor 19 is controlled to rotate, the speed reducing motor 19 drives the worm 20 to drive the connecting shaft 17 to rotate, the connecting shaft 17 drives the cylindrical solid body 21 to rotate (as shown in the state from fig. 3 to fig. 7), and at the moment, the slurry body 5 only plugs the austenite aquifer 3 through the first box body 24; the cylindrical solid body 21 can be indirectly driven to reset through the reverse rotation of the speed reducing motor 19, and the continuous grouting operation is recovered; at the moment, continuously grouting the Ordovician limestone aquifer 3, and intermittently grouting the Wuai aquifer 2;
when the Ordovician limestone aquifer 3 needs to be subjected to intermittent grouting plugging, the slurry body 5 needs to be paused to flow through the first box body 24, the speed reducing motor 19 is controlled to rotate, the cylindrical solid body 21 is indirectly driven to rotate (as shown in the states from fig. 3 to fig. 8), and at the moment, the slurry body 5 only plugs the limestone aquifer 2 through the second box body 25; the cylindrical solid body 21 can be indirectly driven to reset through the reverse rotation of the speed reducing motor 19, and the continuous grouting operation is recovered; at the moment, the Ordovician limestone aquifer 3 carries out intermittent grouting, and the five-ash aquifer 2 carries out continuous grouting;
when the Ordovician limestone aquifer 3 and the Wu-Ash aquifer 2 simultaneously need intermittent grouting, the speed reducing motor 19 rotates to indirectly drive the cylindrical solid body 21 to rotate (as shown in the states from figure 3 to figure 9), and at the moment, the slurry body 5 is prevented from passing through the second box body 25 and the first box body 24, so that the intermittent grouting operation is realized.
Referring to fig. 2 of the specification, a rotary seal valve 31 is mounted on the upper end of the switching box 15, the lower end of the rotary seal valve 31 is communicated with the T-shaped passage 22, and the upper end of the rotary seal valve 31 is communicated with the delivery pipe 8.
In particular, the conversion tank 15 is rotatable relative to the outlet pipe 8 by the action of the rotary seal valve 31, while maintaining a seal to facilitate the flow of the slurry body 5.
Referring to fig. 2 of the specification, a packing 32 is installed at a lower end of the switching box 15, and the packing 32 corresponds to the position of the L-shaped pipe 30.
In practical application, the sealing performance of the T-shaped channel 22 and the L-shaped pipe 30 can be improved by the sealing ring 32.
An embodiment two of the shunting part, refer to description attached drawing 1, description attached drawing 2, description attached drawing 3, description attached drawing 5, description attached drawing 6, the shunting part controls thick liquid body 5 selectivity through inner tube 9 and outer tube 10 through the mode that reciprocates, the shunting part is including installing fixed pipe 33 at rectangular case 14 lower surface, fixed pipe 33 and outer tube 10 upper end threaded connection, rectangular case 14 upper end is installed pneumatic cylinder 34, pneumatic cylinder 34 stretches out and draws back the end and stretches into rectangular case 14, pneumatic cylinder 34 stretches out and draws back the end and installs conical rubber buffer 35, conical rubber buffer 35 is used for shutoff inner tube 9 upper end, rectangular case 14 lower extreme is installed pneumatic cylinder 36, the pneumatic cylinder stretches out and draws back the end and stretches into rectangular case 14, annular plate 37 is installed to pneumatic cylinder second 36 flexible end, annular plate 37 installs annular rubber buffer 38 under the annular rubber buffer 38 is used for shutoff outer tube 10 upper end.
In practical application, the rectangular box 14 is screwed at the upper end of the grouting pipe assembly until the upper end of the fixed pipe 33 is flush with the thread at the upper end of the inner pipe 9, the grout body 5 enters the rectangular box 14 through the output pipe 8 and the conveying pipe 39, and the extension or shortening of the hydraulic cylinder I34 can be controlled to control whether the conical rubber plug 35 blocks the inlet at the upper end of the inner pipe 9 or not, so that the intermittent grouting and the continuous grouting of the grout body 5 on the Ordovician limestone aquifer 3 are controlled; whether the inlet at the upper end of the annular cavity 29 is blocked by the annular rubber plug 38 can be controlled by extending or shortening the second hydraulic cylinder 36, so that intermittent grouting and continuous grouting of the slurry body 5 on the five-ash aquifer 2 are controlled, when the second hydraulic cylinder 36 contracts to indirectly drive the annular rubber plug 38 to move downwards, the outer side of the annular rubber plug 38 is contacted with the upper end of the outer tube 10, through the action of the inclined plane at the outer side of the annular rubber plug 38, the reaction force generated at the upper end of the outer tube 10 enables the inner side of the annular rubber plug 38 to be tightly attached to the inner tube 9 until the annular rubber plug 38 is tightly plugged into the annular cavity 29, and a sealed structure is formed.
Referring to fig. 5 of the specification, a duct 39 is installed on the side surface of the rectangular tank 14, and one end of the duct 39 communicates with the delivery pipe 8.
Referring to fig. 5 of the specification, the inner side of the upper end of the outer tube 10 is provided with a chamfer 40.
In practical application, the contact area between the rubber ring 38 and the outer tube 10 can be effectively increased by the chamfer 40, so that the sealing effect is increased.
Referring to fig. 2 of the specification, the fixing piece 11 extends in the same direction as the inner tube 9.
Particularly, in practical application, the extension direction of the fixing piece 11 is controlled, so that the circulation of the grout body 5 is facilitated.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Claims (9)
1. The mine Aoqi top grouting reinforcement device comprises a roadway (1), a wu-ai aquifer (2), an Aoqi aquifer (3), a drilling hole (4), a slurry body (5) and a grouting machine (6), wherein the grouting machine (6) is placed in the roadway (1), the drilling hole (4) penetrates through the wu-ai aquifer (2) and the Aoqi aquifer (3), a fixing component (7) is arranged at the top end of the drilling hole (4), and an output pipe (8) is installed at the output end of the grouting machine (6), and is characterized in that a grouting pipe component is installed in the drilling hole (4), the fixing component (7) is used for limiting the grouting pipe component, and a grouting control mechanism is installed at the upper end of the grouting pipe component;
the grouting pipe assembly comprises an inner pipe (9) and an outer pipe (10), wherein a fixing piece (11) is installed on the outer side of the inner pipe (9), the inner pipe (9) is fixedly connected with the outer pipe (10) through the fixing piece (11), external threads (12) are respectively arranged at the upper ends of the inner pipe (9) and the outer pipe (10), internal threads (13) are respectively arranged at the lower ends of the inner pipe (9) and the outer pipe (10), the inner pipe (9) and the outer pipe (10) are connected in a head-to-tail threaded manner, and the grout body (5) moves to a five-ash water-bearing layer (2) and an austenite water-bearing layer (3) through the inner pipe (9) and the outer pipe (10);
slip casting control mechanism includes rectangle case (14) and reposition of redundant personnel portion, rectangle case (14) lower extreme and slip casting pipe subassembly upper end threaded connection, rectangle case (14) upper end can be dismantled with output tube (8) and be connected, reposition of redundant personnel portion control thick liquid body (5) selectivity is through inner tube (9) and outer tube (10).
2. The mine Ordovician ash top grouting reinforcement device is characterized in that the flow dividing part controls a slurry body (5) to selectively pass through an inner pipe (9) and an outer pipe (10) in a rotating mode, the flow dividing part comprises a conversion box (15) arranged at the upper end of the inner pipe (9), a sealing bearing (16) is arranged at the lower end of the conversion box (15), a connecting shaft (17) is arranged at the inner ring of the sealing bearing (16), a turbine (18) is arranged at the lower end of the connecting shaft (17), a speed reducing motor (19) is arranged on the lower surface of the conversion box (15), a worm (20) meshed with the turbine (18) is arranged at the rotating end of the speed reducing motor (19), a cylindrical solid body (21) is arranged at the upper end of the connecting shaft (17), the cylindrical solid body (21) is located in the conversion box (15), the cylindrical solid body (21) is in interference fit with the conversion box (15), a T-shaped channel (22) is formed in the cylindrical solid body (21), an L-shaped channel (23) is formed in the cylindrical solid body (21), and two L-shaped channels (23) are formed; the T-shaped channel (22) is communicated with the L-shaped channel (23).
3. The mine Ordovician limestone top grouting reinforcement device is characterized in that the rectangular box (14) comprises a first box body (24) and a second box body (25), and the first box body (24) and the second box body (25) are fixedly connected; the lower surfaces of the first box body (24) and the second box body (25) are respectively provided with a round hole (26), the inner side of the round hole (26) is provided with a first internal thread pipe (27), the first internal thread pipe (27) on the first box body (24) is in threaded connection with the upper end of the inner pipe (9), the first internal thread pipe (27) on the second box body (25) is in threaded connection with the upper end of the outer pipe (10), the upper surface of the second box body (25) is provided with a second internal thread pipe (28), and the second internal thread pipe (28) is in threaded connection with the upper end of the inner pipe (9); a sealed cavity is formed between the first box body (24) and the inner pipe (9); an annular cavity (29) is formed between the inner pipe (9) and the outer pipe (10), and a sealed cavity is formed between the second box body (25) and the annular cavity (29); l-shaped pipes (30) are respectively installed on the side surfaces of the first box body (24) and the second box body (25), the upper ends of the L-shaped pipes (30) are communicated with the conversion box (15), and the L-shaped pipes (30) correspond to the T-shaped channel (22).
4. The mine Ordovician limestone top grouting reinforcement device is characterized in that a rotary sealing valve (31) is mounted at the upper end of the conversion box (15), the lower end of the rotary sealing valve (31) is communicated with the T-shaped channel (22), and the upper end of the rotary sealing valve (31) is communicated with the output pipe (8).
5. The mine Ordovician limestone top grouting reinforcement device is characterized in that a sealing ring (32) is installed at the lower end of the conversion box (15), and the sealing ring (32) corresponds to the position of the L-shaped pipe (30).
6. The mine AoHui top grouting reinforcement device according to claim 1, characterized in that, reposition of redundant personnel portion is through inner tube (9) and outer tube (10) of mode control thick liquid body (5) selectivity that reciprocates, reposition of redundant personnel portion is including installing fixed pipe (33) at rectangle case (14) lower surface, fixed pipe (33) and outer tube (10) upper end threaded connection, pneumatic cylinder (34) are installed to rectangle case (14) upper end, and pneumatic cylinder (34) stretch out and draw back end and stretch into rectangle case (14), and taper rubber plug (35) are installed to pneumatic cylinder (34) flexible end, and taper rubber plug (35) are used for shutoff inner tube (9) upper end, pneumatic cylinder (36) are installed to rectangle case (14) lower extreme, and pneumatic cylinder and flexible end stretch out and draw back rectangle case (14), and annular plate (37) are installed to pneumatic cylinder two (36) flexible end, and annular rubber plug (38) are installed to annular rubber plug (37) lower surface, and annular rubber plug (38) are used for shutoff outer tube (10) upper end.
7. The mine Aori top grouting reinforcement device as claimed in claim 6, characterized in that a delivery pipe (39) is installed on the side surface of the rectangular box (14), and one end of the delivery pipe (39) is communicated with the output pipe (8).
8. The mine bottom grouting reinforcement device is characterized in that a chamfer (40) is arranged on the inner side of the upper end of the outer pipe (10).
9. The mine Ordovician top grouting reinforcement device as claimed in any one of claims 1-8, characterized in that the anchor sheet (11) extends in the same direction as the inner pipe (9).
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| CN202210981795.3A CN115306346B (en) | 2022-08-19 | 2022-08-19 | Mine Ore ash top grouting reinforcement device |
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| CN202210981795.3A CN115306346B (en) | 2022-08-19 | 2022-08-19 | Mine Ore ash top grouting reinforcement device |
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| CN115306346B CN115306346B (en) | 2023-07-18 |
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