CN111878344A - One-way plugging piston device for mine grouting - Google Patents
One-way plugging piston device for mine grouting Download PDFInfo
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- CN111878344A CN111878344A CN202010877953.1A CN202010877953A CN111878344A CN 111878344 A CN111878344 A CN 111878344A CN 202010877953 A CN202010877953 A CN 202010877953A CN 111878344 A CN111878344 A CN 111878344A
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- grouting
- cleaning
- ring
- suction inlet
- gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0433—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided exclusively with fluid jets as cleaning tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a one-way plugging piston device for mine grouting, wherein a cleaning mechanism is arranged at a suction inlet, a connecting matching sleeve is sleeved at the suction inlet, a first gear and a second gear are rotationally driven to rotate in a matching way, the second gear drives a sliding rod to slide up and down in a sliding chute through a guide rod and a guide shaft, the sliding rod drives a cleaning ring to slide up and down on the inner wall of the suction inlet to scrape off residual slurry on the inner wall of the suction inlet, so that the phenomenon that the residual slurry is solidified on the inner wall of the suction inlet to cause the blockage of the suction inlet to influence the normal use of equipment is avoided, meanwhile, when the invention cleans the inner part of the grouting cylinder and the end part of the piston head, the cleaning liquid supply mechanism supplies cleaning liquid to the injection head, the driving and transmission mechanism also drives the cleaning ring to slide in a reciprocating manner in the axial direction of the suction inlet and/or the grouting discharge outlet, so that the cleaning thoroughness and the cleaning effect can be effectively guaranteed.
Description
Technical Field
The invention particularly relates to a unidirectional plugging piston device for mine grouting, and relates to the related field of auxiliary devices of grouting equipment in constructional engineering.
Background
The well grouting is a method of injecting curable grout into cracks or pores of a mine rock-soil foundation by using a grouting pump, and improving the physical and mechanical properties of the curable grout through replacement, filling, extrusion and other modes, and the commonly used grouting pump is a piston type grouting pump which performs reciprocating linear motion in a grouting cylinder through a piston, generates higher injection pressure in the grouting cylinder with lower pressure, and realizes the actions of sucking and grouting the grout.
In the prior art, the unidirectional plugging piston device for mine grouting contains a large amount of viscous solids, so that residual slurry is often solidified on the inner wall of a suction inlet and is difficult to clean, and the suction inlet is easy to be plugged for a long time, so that the normal use of equipment is influenced.
Disclosure of Invention
Therefore, in order to solve the defects, the invention provides a one-way plugging piston device for mine grouting.
The invention is realized in such a way, a unidirectional plugging piston device for mine grouting is constructed, which comprises a grouting cylinder, a piston head, a driving mechanism and a cleaning mechanism, wherein the piston head which reciprocates along the length extension direction of the piston head is arranged in the grouting cylinder, the piston head is driven by the driving mechanism, the upper end and the lower end of one end, far away from the piston head, of the grouting cylinder are respectively provided with a suction inlet and a grouting discharge outlet, the unidirectional plugging piston device is characterized in that the cleaning mechanism is fittingly and detachably arranged on the suction inlet and/or the grouting discharge outlet, the cleaning mechanism is designed to be capable of cleaning the interior of the grouting cylinder and the end part of the piston head, the cleaning mechanism comprises a connecting and matching sleeve, a driving and transmission mechanism, a hollow slide rod, a radial fixed rod and a cleaning ring, wherein the connecting and matching sleeve can be fittingly connected on the suction inlet and/or the grouting discharge outlet, the connecting and matching sleeve is internally provided with the driving and transmission mechanism, the output end of the driving and transmission mechanism is connected with the hollow slide rod, the hollow slide rod can slide in a reciprocating manner along the axial direction of the suction inlet and/or the grouting discharge outlet and can extend into the inner side of the grouting cylinder, the end part of the hollow slide rod is connected with a plurality of radial fixing rods in a circumferential array, the cleaning ring is in a circular ring structure, and the cleaning ring is fixed at the end part of the radial fixing rods.
Further, as the optimization, still include clearance liquid feed mechanism, clearance liquid feed mechanism passes through hollow slide bar is connected to the clearance ring, the circumference of clearance ring is provided with the shower nozzle that sprays the clearance liquid in array.
Further, preferably, when cleaning the inside of the grouting cylinder and the end of the piston head, the cleaning liquid supply mechanism supplies the cleaning liquid to the injection head, and the drive and transmission mechanism drives the cleaning ring to slide back and forth in the axial direction of the suction port and/or the grouting discharge port.
Further, preferably, a radial hole communicated with the inner central hole cavity of the hollow slide rod is formed in the radial fixing rod, an annular cavity communicated with the radial hole is formed in the cleaning ring, and the injection head is communicated with the annular cavity.
Further, preferably, the driving mechanism comprises a connecting piece, a connecting rod and a connecting ring, wherein the end of the piston head is connected with the connecting piece, the middle of the right side of the connecting piece is welded with the left side of the connecting rod, and the right side of the connecting rod is fixedly connected with the left side of the outer wall of the connecting ring.
Further, as preferred, clearance mechanism still includes mounting, rotary drive axle and dead lever, drive and drive mechanism are fixed in and are connected the top in the cooperation cover through the mounting, and drive mechanism right side top is provided with rotary drive axle, the shower nozzle laminating of clearance ring outer wall is in the sunction inlet inner wall.
Further, as preferred, drive and drive mechanism includes support, spout, slide bar, fixed block, gear box, guide arm and guiding axle, the support sets up middle part in connecting the cooperation cover, vertically seted up the spout in the support, and slide bar outer wall top and spout inner wall sliding connection, the fixed block is fixed in support right side top, and the support top is provided with the gear box, guide arm right side bottom is connected with slide bar left side top through the guiding axle.
Further, as preferred, the gear box comprises box body, first gear and second gear, the box body bottom is connected with the support top, the rear end is provided with first gear in the box body, and the front end is provided with the second gear in the box body.
Further, as preferred, the quantity of dead lever is three, and dead lever top middle part is connected with the slide bar bottom.
Further, as preferred, first gear and second gear mesh mutually, and second gear left side middle part is connected with guide arm right side top through the pivot, clearance ring outer wall is laminated in sunction inlet inner wall, and clearance ring bottom still is connected with the scraper ring, the mounting left side is connected with support and fixed block right side, and the mounting right side is connected with connection cooperation cover inner wall right side.
The invention has the following advantages: the invention provides a one-way plugging piston device for mine grouting through improvement, which has the following beneficial effects compared with the same type of equipment:
the invention relates to a one-way plugging piston device for mine grouting, wherein a cleaning mechanism is arranged at a suction inlet, a connecting matching sleeve is sleeved at the suction inlet, a first gear and a second gear are rotationally driven to rotate in a matching way, the second gear drives a sliding rod to slide up and down in a sliding groove through a guide rod and a guide shaft, the sliding rod drives a cleaning ring to slide up and down on the inner wall of the suction inlet to scrape off residual slurry on the inner wall of the suction inlet, so that the phenomenon that the residual slurry is solidified on the inner wall of the suction inlet to cause the blockage of the suction inlet to influence the normal use of equipment is avoided, meanwhile, when the invention cleans the inner part of the grouting cylinder and the end part of the piston head, the cleaning liquid supply mechanism supplies cleaning liquid to the injection head, the driving and transmission mechanism also drives the cleaning ring to slide in a reciprocating manner in the axial direction of the suction inlet and/or the grouting discharge outlet, so that the cleaning thoroughness and the cleaning effect can be effectively guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cross-sectional front view of the cleaning mechanism of the present invention;
FIG. 3 is a left side view of the drive and transmission mechanism of the present invention;
FIG. 4 is a schematic view of the internal structure of the gear box of the present invention;
FIG. 5 is a schematic top view of the cleaning ring of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a unidirectional plugging piston device for mine grouting, which comprises a grouting cylinder 1, a piston head 3, a driving mechanism and a cleaning mechanism 7, wherein the piston head 3 which reciprocates along the length extension direction of the grouting cylinder 1 is arranged in the grouting cylinder, the piston head is driven by the driving mechanism, the upper end and the lower end of one end, far away from the piston head, of the grouting cylinder are respectively provided with a suction inlet 2 and a grouting discharge outlet, the unidirectional plugging piston device is characterized in that the cleaning mechanism 7 can be matched and detachably arranged on the suction inlet 2 and/or the grouting discharge outlet, the cleaning mechanism 7 is arranged to be capable of cleaning the interior of the grouting cylinder and the end part of the piston head, the cleaning mechanism 7 comprises a connecting matching sleeve 71, a driving and transmission mechanism 72, a hollow slide rod 723, a radial fixing rod 76 and a cleaning ring 75, wherein the connecting matching sleeve 71 can be matched and connected on the suction inlet 2 and/or the grouting discharge outlet, the connecting and matching sleeve 71 is internally provided with the driving and transmission mechanism, the output end of the driving and transmission mechanism is connected with the hollow slide rod 723, the hollow slide rod can slide in a reciprocating manner along the axial direction of the suction inlet 2 and/or the grouting discharge outlet and can extend into the inner side of the grouting cylinder 1, the end part of the hollow slide rod is connected with a plurality of radial fixing rods in a circumferential array, the cleaning ring is in a circular ring structure, and the cleaning ring is fixed at the end part of the radial fixing rods.
In this embodiment, it further includes a cleaning liquid supply mechanism, which is connected to the cleaning ring through the hollow slide rod, and spray heads 78 for spraying cleaning liquid are arranged in an array on the circumference of the cleaning ring.
Wherein, when cleaning the interior of the grouting cylinder and the end part of the piston head, the cleaning liquid supply mechanism supplies cleaning liquid to the injection head, and the driving and transmission mechanism 72 drives the cleaning ring to slide back and forth in the axial direction of the suction port 2 and/or the grouting discharge port.
A radial hole 710 communicated with the inner central hole cavity of the hollow slide rod is arranged in the radial fixing rod 76, an annular cavity 79 communicated with the radial hole is arranged on the cleaning ring 75, and the spray head 78 is communicated with the annular cavity.
The driving mechanism comprises a connecting piece 4, a connecting rod 5 and a connecting ring 6, wherein the end part of the piston head 3 is connected with the connecting piece 4, the middle part of the right side of the connecting piece 4 is welded with the left side of the connecting rod 5, and the right side of the connecting rod 5 is fixedly connected with the left side of the outer wall of the connecting ring 6.
The cleaning mechanism further comprises a fixing piece 73, a rotary driving shaft 74 and a fixing rod 76, the driving and transmission mechanism 72 is fixed at the top of the inside of the connecting and matching sleeve 71 through the fixing piece 73, the rotary driving shaft 74 is arranged at the top of the right side of the driving and transmission mechanism 72, and the spraying head on the outer wall of the cleaning ring 75 is attached to the inner wall of the suction port 2.
The driving and transmission mechanism 72 comprises a support 721, a sliding groove 722, a sliding rod 723, a fixed block 724, a gear box 725, a guide rod 726 and a guide shaft 727, wherein the support 721 is arranged in the middle inside the connecting and matching sleeve 71, the sliding groove 722 is longitudinally arranged inside the support 721, the top of the outer wall of the sliding rod 723 is slidably connected with the inner wall of the sliding groove 722, the fixed block 724 is fixed at the top of the right side of the support 721, the gear box 725 is arranged at the top of the support 721, and the bottom of the right side of the guide rod 726 is connected with the top of the left side of the.
The gear box 725 consists of a box body 7251, a first gear 7252 and a second gear 7253, the bottom of the box body 7251 is connected with the top of the bracket 721, the rear end of the interior of the box body 7251 is provided with the first gear 7252, and the front end of the interior of the box body 7251 is provided with the second gear 7253.
The number of the fixed rods 76 is three, and the middle of the top ends of the fixed rods 76 is connected with the bottom end of the sliding rod 723.
The invention provides a unidirectional plugging piston device for mine grouting through improvement, which has the following working principle;
firstly, placing equipment at a mine to be grouted, connecting uniformly stirred slurry at a suction inlet 2 through a conveying pipeline, and starting a driving device connected at a connecting ring 6 to drive a piston head 3 to perform reciprocating linear motion in a grouting cylinder 1 through a connecting piece 4 on the left side of a connecting rod 5;
secondly, when the piston head 3 moves rightwards in the grouting cylinder 1, the volume in the grouting cylinder 1 is suddenly increased to reduce the pressure, and a suction valve at the position of a conveying pipeline is opened under the action of external pressure to suck the grout into the grouting cylinder 1;
thirdly, when the connecting ring 6 drives the connecting rod 5 to rotate 180 degrees, the piston head 3 moves leftwards, the pressure of the slurry in the grouting cylinder 1 is increased sharply, so that the slurry is injected into a gap of a mine foundation through an outlet on the left side of the grouting cylinder 1, and the grouting process of the mine is finished repeatedly;
fourthly, the conveying pipeline is taken down from the suction port 2, the connecting matching sleeve 71 is sleeved at the suction port 2, and the rotary driving shaft 74 at the right side of the fixed block 724 is rotated, so that the first gear 7252 and the second gear 7253 in the box body 7251 are matched and rotated;
fifthly, the second gear 7253 drives the guide rod 726 to rotate through the rotating shaft, the guide rod 726 drives the top of the sliding rod 723 to slide up and down in the sliding groove 722 of the bracket 721 through the guide shaft 727, so that the sliding rod 723 drives the cleaning ring 75 to slide up and down on the inner wall of the suction port 2 through the fixing rod 76, the residual slurry on the inner wall of the suction port 2 is scraped off, meanwhile, the cleaning liquid supply mechanism is connected to the cleaning ring through the hollow sliding rod, the spray heads 78 for spraying the cleaning liquid are arranged on the circumference of the cleaning ring in an array manner, the cleaning liquid is supplied to the spray heads, the cleaning work of the residual slurry on the inner wall of the suction port 2 is completed through the cleaning of the cleaning ring and the spraying of the cleaning liquid, the residual slurry is prevented from being solidified on the inner wall of the suction port, the cleaning liquid supply mechanism of the invention supplies the cleaning liquid to the spray heads, and the driving and transmission mechanism 72 also drives the cleaning ring to slide up and down in the axial direction of, can effectually guarantee the clearance thoroughness, improve the protection to the piston, guarantee the piston life-span, be convenient for use next time.
The invention provides a one-way plugging piston device for mine grouting through improvement, a cleaning mechanism 7 is arranged at a suction inlet, a connecting matching sleeve 71 is sleeved at the suction inlet 2, a rotary driving shaft 74 is rotated, a first gear 7252 and a second gear 7253 are matched and rotated, the second gear 7253 drives a sliding rod 723 to slide up and down in a sliding groove 722 through a guide rod 726 and a guide shaft 727, the sliding rod 723 drives a cleaning ring 75 to slide up and down on the inner wall of the suction inlet 2, residual slurry on the inner wall of the suction inlet 2 is scraped, meanwhile, the residual cleaning of each part can be realized through the injection of cleaning liquid, the cleaning capability and the thoroughness are improved, and the phenomenon that the residual slurry is solidified on the inner wall of the suction inlet to cause the blockage of the suction inlet 2 to influence the normal use of equipment is.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The one-way plugging piston device for mine grouting comprises a grouting cylinder (1), a piston head (3), a driving mechanism and a cleaning mechanism (7), wherein the piston head (3) which reciprocates along the length extension direction of the grouting cylinder is arranged in the grouting cylinder (1), the piston head is driven by the driving mechanism, the upper end and the lower end of one end, far away from the piston head, of the grouting cylinder are respectively provided with a suction inlet (2) and a grouting discharge port, the device is characterized in that the cleaning mechanism (7) can be installed on the suction inlet (2) and/or the grouting discharge port in a matched and detachable mode, the cleaning mechanism (7) is designed to be capable of cleaning the interior of the grouting cylinder and the end part of the piston head, and the cleaning mechanism (7) comprises a connecting and matching sleeve (71), a driving and transmission mechanism (72), a hollow slide rod (723) and a cleaning mechanism (7), The device comprises radial fixing rods (76) and a cleaning ring (75), wherein the connecting matching sleeve (71) can be connected to the suction inlet (2) and/or the grouting outlet in a matching mode, the connecting matching sleeve (71) is internally provided with the driving and transmission mechanism, the output end of the driving and transmission mechanism is connected with the hollow sliding rod (723), the hollow sliding rod can slide in a reciprocating mode along the axial direction of the suction inlet (2) and/or the grouting outlet and can stretch into the inner side of the grouting cylinder (1), the end portion of the hollow sliding rod is connected with the radial fixing rods in a plurality of circumferential arrays, the cleaning ring is of a circular ring structure, and the cleaning ring is fixed to the end portion of the radial fixing rods.
2. The unidirectional plugging piston device for mine grouting according to claim 1, characterized in that: still include clearance liquid feed mechanism, clearance liquid feed mechanism passes through hollow slide bar is connected to the clearance ring, the array is provided with injector head (78) that carry out the injection to clearance liquid on the circumference of clearance ring.
3. The unidirectional plugging piston device for mine grouting according to claim 2, characterized in that: when cleaning the interior of the grouting cylinder and the end part of the piston head, the cleaning liquid supply mechanism supplies cleaning liquid to the injection head, and meanwhile, the driving and transmission mechanism (72) drives the cleaning ring to slide back and forth in the axial direction of the suction inlet (2) and/or the grouting discharge outlet.
4. The unidirectional plugging piston device for mine grouting according to claim 1, characterized in that: a radial hole (710) communicated with the inner central hole cavity of the hollow slide rod is arranged in the radial fixing rod (76), an annular cavity (79) communicated with the radial hole is arranged on the cleaning ring (75), and the spray head (78) is communicated with the annular cavity.
5. The unidirectional plugging piston device for mine grouting according to claim 1, characterized in that: the driving mechanism comprises a connecting piece (4), a connecting rod (5) and a connecting ring (6), wherein the end part of the piston head (3) is connected with the connecting piece (4), the middle part of the right side of the connecting piece (4) is welded with the left side of the connecting rod (5), and the right side of the connecting rod (5) is fixedly connected with the left side of the outer wall of the connecting ring (6).
6. The unidirectional plugging piston device for mine grouting according to claim 1, characterized in that: the cleaning mechanism further comprises a fixing piece (73), a rotary driving shaft (74) and a fixing rod (76), the driving and transmission mechanism (72) is fixed at the top in the connecting and matching sleeve (71) through the fixing piece (73), the rotary driving shaft (74) is arranged at the top of the right side of the driving and transmission mechanism (72), and the spraying head on the outer wall of the cleaning ring (75) is attached to the inner wall of the suction inlet (2).
7. The unidirectional plugging piston device for mine grouting according to claim 5, wherein: the driving and transmission mechanism (72) comprises a support (721), a sliding groove (722), a sliding rod (723), a fixed block (724), a gear box (725), a guide rod (726) and a guide shaft (727), the support (721) is arranged in the middle of the inside of the connecting and matching sleeve (71), the sliding groove (722) is longitudinally formed in the support (721), the top of the outer wall of the sliding rod (723) is in sliding connection with the inner wall of the sliding groove (722), the fixed block (724) is fixed at the top of the right side of the support (721), the gear box (725) is arranged at the top of the support (721), and the bottom of the right side of the guide rod (726) is connected with the top of the left side of the sliding rod (723.
8. The unidirectional plugging piston device for mine grouting according to claim 6, wherein: gear box (725) comprises box body (7251), first gear (7252) and second gear (7253), box body (7251) bottom is connected with support (721) top, the rear end is provided with first gear (7252) in box body (7251), and the front end is provided with second gear (7253) in box body (7251).
9. The unidirectional plugging piston device for mine grouting according to claim 3, wherein: the number of the fixed rods (76) is three, and the middle of the top end of each fixed rod (76) is connected with the bottom end of the sliding rod (723).
10. The unidirectional plugging piston device for mine grouting according to claim 7, wherein: first gear (7252) and second gear (7253) mesh mutually, and second gear (7253) left side middle part is connected with guide arm (726) right side top through the pivot, clearance ring (75) outer wall is laminated in sunction inlet (2) inner wall, and clearance ring (75) bottom still is connected with the scraper ring, mounting (73) left side is connected with support (721) and fixed block (724) right side, and mounting (73) right side with be connected cooperation cover (71) inner wall right side and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877953.1A CN111878344A (en) | 2020-08-27 | 2020-08-27 | One-way plugging piston device for mine grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877953.1A CN111878344A (en) | 2020-08-27 | 2020-08-27 | One-way plugging piston device for mine grouting |
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| Publication Number | Publication Date |
|---|---|
| CN111878344A true CN111878344A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010877953.1A Withdrawn CN111878344A (en) | 2020-08-27 | 2020-08-27 | One-way plugging piston device for mine grouting |
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| CN (1) | CN111878344A (en) |
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| CN115122486A (en) * | 2022-08-01 | 2022-09-30 | 衡阳凯新特种材料科技有限公司 | Ceramic gel injection molding device and injection molding method |
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| CN114147848A (en) * | 2021-12-09 | 2022-03-08 | 衡阳阳光陶瓷有限公司 | Intermittent feeding and batching device for colored brick production |
| CN115122486A (en) * | 2022-08-01 | 2022-09-30 | 衡阳凯新特种材料科技有限公司 | Ceramic gel injection molding device and injection molding method |
| CN115122486B (en) * | 2022-08-01 | 2024-03-29 | 衡阳凯新特种材料科技有限公司 | Ceramic gel injection molding device and injection molding method |
| CN115178542A (en) * | 2022-08-10 | 2022-10-14 | 中国建筑材料工业建设西安工程有限公司 | Mine material cleaning and conveying device and using method thereof |
| CN115178542B (en) * | 2022-08-10 | 2023-09-22 | 中国建筑材料工业建设西安工程有限公司 | Mine material cleaning and conveying device and using method thereof |
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