CN111059012A - One-way high-pressure one-way large-flow grouting pump and operation method - Google Patents
One-way high-pressure one-way large-flow grouting pump and operation method Download PDFInfo
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- CN111059012A CN111059012A CN201911325853.1A CN201911325853A CN111059012A CN 111059012 A CN111059012 A CN 111059012A CN 201911325853 A CN201911325853 A CN 201911325853A CN 111059012 A CN111059012 A CN 111059012A
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- 238000000034 method Methods 0.000 title claims description 9
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims description 5
- 239000002689 soil Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
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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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- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to a grouting device for grouting slurry into media such as an underground soil layer and the like, in particular to a one-way high-pressure one-way large-flow grouting pump. The invention aims to solve the problem of providing a one-way high-pressure one-way large-flow grouting pump capable of realizing larger grouting flow and higher pressure on the premise of keeping the structural parameters of the existing air cylinder or oil cylinder unchanged. The high-pressure grouting device has the advantages that the problem of low-pressure large flow and high-pressure small flow is well solved by adopting the plunger structure with the small left side and the large right side, the hook-shaped opening and closing device is adopted, so that the large plunger is separated from the piston rod in a high-pressure state, the reactive power consumption is reduced, the flow range and the pressure range are effectively expanded under the condition of unchanged input power, and the grouting efficiency and the economical efficiency are greatly improved.
Description
Technical Field
The invention relates to grouting equipment for grouting slurry into media such as an underground soil layer and the like, in particular to a one-way high-pressure one-way large-flow grouting pump.
Background
The existing grouting pump adopts a single-cylinder-diameter structure, namely, a cylinder rod or an oil cylinder rod pushes one or a plurality of plungers or pistons in parallel to realize grouting, and the structure has the defects that when the reciprocating times are fixed, the grouting amount is constant, in the actual grouting process, the pressure required by initial grouting is low, the flow is large, the pressure required by final grouting is large, and the flow is small.
Disclosure of Invention
The invention aims to solve the technical problem of providing a one-way high-pressure one-way large-flow grouting pump which can realize larger grouting flow, higher pressure and smaller reactive power consumption on the premise of keeping the structural parameters of the existing air cylinder or oil cylinder unchanged.
In order to solve the technical problem, the one-way high-pressure one-way large-flow grouting pump comprises a frame, a cylinder connected with the frame, a piston arranged in the cylinder, and a piston rod connected with the piston; the right side of the cylinder is provided with a large slurry cylinder connected with the frame, a large plunger is arranged inside the large slurry cylinder, and a large slurry suction valve, a large slurry discharge valve and an overflow valve are connected with the outside of the large slurry cylinder; the left side of the cylinder is provided with a small slurry cylinder connected with the frame, a small plunger is arranged in the small slurry cylinder, a small slurry suction valve and a small slurry discharge valve are connected with the outside of the small slurry cylinder, and the small plunger is connected with the left end of the piston rod; the device is characterized by further comprising a piston reciprocating opening and closing device and a large plunger opening and closing device, wherein the piston reciprocating opening and closing device is installed on the right side of the cylinder, and the large plunger opening and closing device is installed between the right side of the piston rod and the large plunger.
The piston reciprocating start-stop device mainly comprises a left reversing valve, a right reversing valve, an impact ring and a stop valve, wherein the left reversing valve is connected with the left side of the cylinder, the right reversing valve is connected with the right side of the cylinder, the stop valve is arranged on an inlet or an outlet of an air passage or an oil passage of the right reversing valve, and the impact ring is arranged on the inner wall of the right side of the cylinder.
The large plunger opening and closing device mainly comprises a right flange, a support ring, a left flange and a hook-shaped opening and closing device; the right side of the hook-shaped opening and closing device is arranged on the right flange, and the left side of the hook-shaped opening and closing device is matched with the left flange; the left flange is arranged at the right end of the piston rod, and the right side of the right flange is connected with the left end of the large plunger; the right end of the support ring is mounted on the left side of the right flange.
The material hardness of the impact ring is lower than that of the piston.
The hook-shaped opening and closing device mainly comprises a cam, a handle, a swinging slide block, a switching spring, a slide rod, a fixed slide block, a connecting rod, a push-pull rod, a hook-shaped rod, a limiting rod, a pressure spring, a lower limiting block, a button, a limiting slide block and an upper limiting block, wherein the cam is hinged with the right end of the hook-shaped rod; the upper part of the middle of the hook-shaped rod is hinged with the lower end of the limiting rod, the middle and the upper part of the limiting rod are respectively and fixedly connected with a lower limiting block and an upper limiting block, a limiting sliding block is in sliding connection with the limiting rod and is positioned between the lower limiting block and the upper limiting block, the limiting sliding block is hinged with the middle of the handle, and the left end of the handle is provided with a button; the lower part of the middle of the hook-shaped rod is hinged with the upper end of the push-pull rod, the lower end of the push-pull rod is hinged with the left end of the connecting rod, the right end of the connecting rod is hinged with the middle part of the sliding rod, the left end of the sliding rod is in sliding connection with the fixed sliding block, the right end of the sliding rod is connected with the lower end of the switching spring, and the upper end of the switching spring is connected with the right flange.
A method for operating a one-way high-pressure one-way large-flow grouting pump is characterized in that the grouting pump is started, when the pressure value reaches the rated pressure value during large-flow grouting, the thrust of a piston of the grouting pump reaches the limit, grouting is stopped, and at the moment, a large plunger is positioned at any position in the stroke range of the large plunger; the following procedure was followed:opening the stop valve to prevent the piston from reversing;the overflow valve is opened, the large slurry cylinder is unloaded, the large plunger piston moves rightwards to the limit position under the pushing of the piston, at the moment, the piston can touch the right reversing valve firstly, and the piston continues to move rightwards and stops after touching the impact ring because the right reversing valve cannot be reversed due to gas or oil cut;lifting the hook: the button is pressed down and the handle is rotated clockwise, so that the hook-shaped structure at the left end of the hook-shaped rod is separated from the left end face of the left flange, then the button is released, at the moment, the mechanism is in an open state under the action of the switching spring, the operation of the button and the handle is similar to the operation of a hand brake when an automobile is parked, and the internal structure is similar or identical;closing the stop valve, reversing the piston and continuing to work the grouting pump;opening the stop valve: when the pressure value reaches the rated pressure value set when the pressure value is high, namely the grouting pressure value, opening the stop valve, stopping the reciprocating motion of the piston, and stopping grouting by the grouting pump;closing the hook: pressing the button and anticlockwise rotating the handle to a lower limit position to enable the hook-shaped structure at the left end of the hook-shaped rod to hook the left end face of the left flange, and then loosening the button;closing the overflow valve;closing the check valve; and (5) shutting down.
The invention adopts the left and right cylinder structures with different sizes, well solves the problems of low pressure, large flow and high pressure, small flow, and effectively enlarges the pressure range under the condition of unchanged input power because the large slurry cylinder does not move during high pressure grouting and has no friction power consumption and air suction and slurry discharge power consumption, thereby leading the high pressure to be higher and greatly improving the grouting efficiency and the economy.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
A one-way high-pressure one-way large-flow grouting pump comprises a frame 1, a cylinder 2 connected with the frame 1, a piston 3 arranged in the cylinder 2, and a piston rod 4 connected with the piston 3; the right side of the cylinder 2 is provided with a large slurry cylinder 9 connected with the frame 1, a large plunger 8 is arranged inside the large slurry cylinder 9, and a large slurry suction valve 11, a large slurry discharge valve 12 and an overflow valve 10 are connected with the outside of the large slurry cylinder 9; the left side of the cylinder 2 is provided with a small slurry cylinder 27 connected with the frame 1, a small plunger 26 is arranged in the small slurry cylinder 27, a small slurry suction valve 29 and a small slurry discharge valve 28 are connected with the outside of the small slurry cylinder 27, and the small plunger 26 is connected with the left end of the piston rod 4; the device is characterized by further comprising a piston reciprocating opening and closing device and a large plunger opening and closing device, wherein the piston reciprocating opening and closing device is installed on the right side of the cylinder 2, and the large plunger opening and closing device is installed between the right side of the piston rod 4 and the large plunger 8.
The piston reciprocating start-stop device mainly comprises a left reversing valve 51, a right reversing valve 6, an impact ring 5 and a stop valve 7, wherein the left reversing valve 51 is connected with the left side of the cylinder 2, the right reversing valve 6 is connected with the right side of the cylinder 2, the stop valve 7 is arranged on the inlet or the outlet of the air passage or the oil passage of the right reversing valve 6, and the impact ring 5 is arranged on the inner wall of the right side of the cylinder 2.
The large plunger opening and closing device mainly comprises a right flange 13, a support ring 14, a left flange 25 and a hook-shaped opening and closing device; the right side of the hook-shaped opening and closing device is arranged on the right flange 13, and the left side of the hook-shaped opening and closing device is matched with the left flange 25; the left flange 25 is arranged at the right end of the piston rod 4, and the right side of the right flange 13 is connected with the left end of the large plunger 8; the right end of the support ring 14 is mounted on the left side face of the right flange 13.
The material hardness of the impact ring 5 is lower than the material hardness of the piston 3.
The hook-shaped opening and closing device mainly comprises a cam 15, a handle 16, a swinging slide block 17, a switching spring 18, a slide rod 19, a fixed slide block 24, a connecting rod 23, a push-pull rod 56, a hook-shaped rod 22, a limiting rod 21, a pressure spring 52, a lower limiting block 53, a button 54, a limiting slide block 20 and an upper limiting block 55, the cam 15 is hinged with the right end of the hook-shaped rod 22, the right end of the handle 16 is fixedly connected with the cam 15, the hook-shaped rod 22 is in sliding connection with the swing slider 17, the swing slider 17 is hinged on the right flange 13, the right end of the swing slider 17 is attached to the surface of the cam 15, the left end of the swing slider 17 is attached to the pressure spring 52, the pressure spring 52 is sleeved on the hook-shaped rod 22, and the hook-shaped structure at the left end of the hook-shaped rod 22 hooks the left end surface of the left flange 25; the upper part of the middle of the hook rod 22 is hinged with the lower end of the limiting rod 21, the middle and the upper part of the limiting rod 21 are respectively and fixedly connected with a lower limiting block 53 and an upper limiting block 55, the limiting slide block 20 is in sliding connection with the limiting rod 21, the limiting slide block 20 is positioned between the lower limiting block 53 and the upper limiting block 55, the limiting slide block 20 is hinged with the middle of the handle 16, and the left end of the handle 16 is provided with a button 54; the lower part of the middle of the hook rod 22 is hinged with the upper end of a push-pull rod 56, the lower end of the push-pull rod 56 is hinged with the left end of a connecting rod 23, the right end of the connecting rod 23 is hinged with the middle part of a sliding rod 19, the left end of the sliding rod 19 is in sliding connection with a fixed sliding block 24, the right end of the sliding rod 19 is connected with the lower end of a switching spring 18, and the upper end of the switching spring 18 is connected with a right flange 13.
An operation method of a one-way high-pressure one-way large-flow grouting pump is characterized in that the grouting pump is started, and when the pressure value reaches the rated pressure value at the time of large flow, the grouting pump stops grouting; the following procedure was followed:opening the stop valve 7;the overflow valve 10 is opened;lifting the hook: depressing the button 54 and rotating the handle 16 clockwise so that the hook formation on the left end of the hook lever 22 disengages from the left end face of the left flange 25, and then releasing the button 54;closing the stop valve 7, and continuing to work by the grouting pump;opening the stop valve 7: when the pressure value reaches the rated pressure value set when the pressure value is high, the stop valve 7 is opened, and the grouting pump stops grouting;closing the hook: pressing the button 54 and turning the handle 16 counterclockwise to the lower limit position, so that the hook structure at the left end of the hooked rod 22 hooks the left end surface of the left flange 25, and then releasing the button 54;closing the overflow valve 10;closing the check valve 7; and (5) shutting down.
Claims (6)
1. A one-way high-pressure one-way large-flow grouting pump comprises a frame (1), a cylinder (2) connected with the frame (1), a piston (3) arranged in the cylinder (2), and a piston rod (4) connected with the piston (3); a large slurry cylinder (9) connected with the frame (1) is arranged on the right side of the air cylinder (2), a large plunger (8) is arranged inside the large slurry cylinder (9), and a large slurry suction valve (11), a large slurry discharge valve (12) and an overflow valve (10) are connected with the outside of the large slurry cylinder (9); a small slurry cylinder (27) connected with the frame (1) is arranged on the left side of the air cylinder (2), a small plunger (26) is arranged inside the small slurry cylinder (27), a small slurry suction valve (29) and a small slurry discharge valve (28) are connected with the outside of the small slurry cylinder (27), and the small plunger (26) is connected with the left end of the piston rod (4); the device is characterized by further comprising a piston reciprocating opening and closing device and a large plunger opening and closing device, wherein the piston reciprocating opening and closing device is installed on the right side of the air cylinder (2), and the large plunger opening and closing device is installed between the right side of the piston rod (4) and the large plunger (8).
2. The unidirectional high-pressure unidirectional high-flow grouting pump according to claim 1, characterized in that the piston reciprocating opening and closing device mainly comprises a left reversing valve (51), a right reversing valve (6), an impact ring (5) and a stop valve (7), wherein the left reversing valve (51) is connected with the left side of the cylinder (2), the right reversing valve (6) is connected with the right side of the cylinder (2), the stop valve (7) is installed on the inlet or outlet of the air passage or oil passage of the right reversing valve (6), and the impact ring (5) is installed on the inner wall of the right side of the cylinder (2).
3. The unidirectional high-pressure unidirectional high-flow grouting pump according to claim 1, characterized in that the large plunger opening and closing device mainly comprises a right flange (13), a support ring (14), a left flange (25) and a hook-shaped opening and closing device; the right side of the hook-shaped opening and closing device is arranged on the right flange (13), and the left side of the hook-shaped opening and closing device is matched with the left flange (25); the left flange (25) is arranged at the right end of the piston rod (4), and the right side of the right flange (13) is connected with the left end of the large plunger (8); the right end of the support ring (14) is mounted on the left side of the right flange (13).
4. A unidirectional high pressure unidirectional high flow grouting pump according to claim 2, characterised in that the material hardness of the impact ring (5) is lower than the material hardness of the piston (3).
5. The unidirectional high-pressure unidirectional high-flow grouting pump according to claim 3, characterized in that the hook-shaped opening and closing device mainly comprises a cam (15), a handle (16), a swing slider (17), a switching spring (18), a sliding rod (19), a fixed slider (24), a connecting rod (23), a push-pull rod (56), a hook-shaped rod (22), a limiting rod (21), a pressure spring (52), a lower limiting block (53), a button (54), a limiting slider (20) and an upper limiting block (55), wherein the cam (15) is hinged with the right end of the hook-shaped rod (22), the right end of the handle (16) is fixedly connected with the cam (15), the hook-shaped rod (22) is in sliding connection with the swing slider (17), the swing slider (17) is hinged on a right flange (13), the right end of the swing slider (17) is attached to the surface of the cam (15), and the left end of the swing slider (17) is attached to the, the pressure spring (52) is sleeved on the hook-shaped rod (22), and the hook-shaped structure at the left end of the hook-shaped rod (22) hooks the left end surface of the left flange (25); the upper part of the middle of the hook-shaped rod (22) is hinged with the lower end of the limiting rod (21), the middle and the upper part of the limiting rod (21) are fixedly connected with a lower limiting block (53) and an upper limiting block (55) respectively, the limiting slide block (20) is in sliding connection with the limiting rod (21), the limiting slide block (20) is positioned between the lower limiting block (53) and the upper limiting block (55), the limiting slide block (20) is hinged with the middle of the handle (16), and the left end of the handle (16) is provided with a button (54); the lower part of the middle of the hook-shaped rod (22) is hinged with the upper end of the push-pull rod (56), the lower end of the push-pull rod (56) is hinged with the left end of the connecting rod (23), the right end of the connecting rod (23) is hinged with the middle part of the sliding rod (19), the left end of the sliding rod (19) is connected with the fixed sliding block (24) in a sliding mode, the right end of the sliding rod (19) is connected with the lower end of the switching spring (18), and the upper end of the switching spring (18) is connected with the right flange (13).
6. An operation method of a one-way high-pressure one-way large-flow grouting pump is characterized in that the grouting pump is started, and when the pressure value reaches the rated pressure value at the time of large flow, the grouting pump stops grouting; the following procedure was followed:opening the stop valve (7);opening the overflow valve (10);lifting the hook: push buttonThe button (54) is lowered, the handle (16) is rotated clockwise, the hook structure at the left end of the hook rod (22) is disengaged from the left end surface of the left flange (25), and then the button (54) is released;closing the stop valve (7), and continuing to work by the grouting pump;opening the stop valve (7): when the pressure value reaches the rated pressure value set when the pressure value is high, the stop valve (7) is opened, and the grouting pump stops grouting;closing the hook: pressing the button (54) and anticlockwise rotating the handle (16) to a lower limit position to enable the hook-shaped structure at the upper left end of the hook-shaped rod (22) to hook the left end face of the left flange (25), and then releasing the button (54);closing the overflow valve (10);closing the stop valve (7); and (5) shutting down.
Priority Applications (1)
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CN201911325853.1A CN111059012A (en) | 2019-12-20 | 2019-12-20 | One-way high-pressure one-way large-flow grouting pump and operation method |
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CN201911325853.1A CN111059012A (en) | 2019-12-20 | 2019-12-20 | One-way high-pressure one-way large-flow grouting pump and operation method |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982414A (en) * | 2014-04-24 | 2014-08-13 | 镇江长城注浆设备有限公司 | Multi-liquid stepless proportioning synchronous grouting pump |
CN103994046A (en) * | 2014-06-04 | 2014-08-20 | 镇江长城注浆设备有限公司 | Asynchronous plunger multi-liquid stepless matching synchronous grouting pump |
CN105134542A (en) * | 2015-08-17 | 2015-12-09 | 镇江长城注浆设备有限公司 | High-pressure and large-flow grouting pump |
CN110242530A (en) * | 2019-07-31 | 2019-09-17 | 中铁工程服务有限公司 | Hydraulic double-liquid grouting pump and suction paste-making method |
CN211692734U (en) * | 2019-12-20 | 2020-10-16 | 镇江市高等专科学校 | One-way high-pressure one-way large-flow grouting pump |
-
2019
- 2019-12-20 CN CN201911325853.1A patent/CN111059012A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982414A (en) * | 2014-04-24 | 2014-08-13 | 镇江长城注浆设备有限公司 | Multi-liquid stepless proportioning synchronous grouting pump |
CN103994046A (en) * | 2014-06-04 | 2014-08-20 | 镇江长城注浆设备有限公司 | Asynchronous plunger multi-liquid stepless matching synchronous grouting pump |
CN105134542A (en) * | 2015-08-17 | 2015-12-09 | 镇江长城注浆设备有限公司 | High-pressure and large-flow grouting pump |
CN110242530A (en) * | 2019-07-31 | 2019-09-17 | 中铁工程服务有限公司 | Hydraulic double-liquid grouting pump and suction paste-making method |
CN211692734U (en) * | 2019-12-20 | 2020-10-16 | 镇江市高等专科学校 | One-way high-pressure one-way large-flow grouting pump |
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