CN210859076U - Multi-cylinder pumping equipment - Google Patents
Multi-cylinder pumping equipment Download PDFInfo
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- CN210859076U CN210859076U CN201921634941.5U CN201921634941U CN210859076U CN 210859076 U CN210859076 U CN 210859076U CN 201921634941 U CN201921634941 U CN 201921634941U CN 210859076 U CN210859076 U CN 210859076U
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Abstract
The utility model discloses a multi-cylinder pumping equipment relates to the fluid delivery pump field, mainly include the pumping unit, hydraulic unit and electrical system, each group pumping unit all is equipped with one set of hydraulic unit and forms a set of hydraulic pumping system, the parallelly connected range of multiunit hydraulic pumping system, control the hydraulic pump by electrical system and input the pneumatic cylinder with hydraulic oil, promote the pneumatic cylinder piston and move forward, transmit power to the pumping piston through the connecting rod, promote thick liquids discharge business turn over material three-way pipe, inhale the check valve and close the check valve that discharges simultaneously and open, thick liquids are discharged by ejection of compact pipeline, realize the pumping and arrange the material. The utility model has the advantages that: the multi-cylinder linkage is adopted and controlled by the same electric control system, so that the continuity and the stability of the work of the equipment are ensured, and the conveying efficiency of the equipment is increased; the risk of solid-liquid separation of slurry caused by intermittent pumping action of equipment is reduced, and the risk of pipe blockage is reduced; the pumping reversing device is simple in structure, the reliability of the equipment is improved, and the maintenance cost of the equipment is reduced.
Description
Technical Field
The utility model relates to a field of fluid delivery pump, concretely relates to multi-cylinder pumping equipment.
Background
The building aggregate is one of important resource type products, and is a massive basic building material which is widest in construction engineering application, largest in quantity and irreplaceable. With the development of economic society of China, the ecological civilization construction is raised as a national strategy, and the ecological environment protection and restoration become one of the central works for the development of the building aggregate industry. At present, the sandstone mine in China is in a key period of transformation from a traditional mine with small dispersion danger and low mess to a green aggregate mine with large scale, industrialization, modernization, environmental protection and harmony.
At present, most of mine tailing slurry ultra-remote conveying adopts general concrete pumping equipment for pumping, the equipment is driven by double cylinders, a pumping cylinder body is connected with a hopper, an S valve reversing device is arranged in the hopper, a feeding and discharging port is reversed through S valve swinging, when one pumping cylinder performs pumping action, the other pumping cylinder performs suction action, and therefore tailing slurry conveying is achieved.
The two pumping cylinders realize the switching of suction and discharge materials through the swinging of the S valve, the time is discontinuous in the switching process, and the pumping of the materials is in an intermittent conveying state, so that for ultra-long-distance pumping, the discontinuous pumping easily causes the solid-liquid separation of slurry, increases the pumping resistance and easily causes the occurrence of material blockage; meanwhile, the conveying efficiency of the materials is reduced by intermittent pumping; the slurry is fed through the hopper, the stirring mechanism is required to continuously stir so as to avoid solid-liquid separation of the slurry, but for slurry, the cohesiveness of the material is far lower than that of concrete slurry, the slurry separation phenomenon is more likely to occur, the equipment shutdown risk is increased, once shutdown occurs, all long-distance conveying pipelines of the ultra-long-distance pumping conveying system are disassembled and cleaned, and the maintenance workload is increased suddenly; the traditional S valve reversing device of the pumping equipment is complex in structure and high in production cost, abrasion is easily caused in the working process, and the equipment operation and maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a multi-cylinder pumping equipment for solve the discontinuous problem of pumping that the double-cylinder pumping process arouses because the S valve switching-over, be used for guaranteeing flow relatively stable.
The purpose of the utility model is accomplished through following technical scheme: the multi-cylinder pumping equipment mainly comprises pumping units, hydraulic units and an electric control system, wherein each group of the pumping units is provided with a set of hydraulic units to form a group of hydraulic pumping systems, and the plurality of groups of hydraulic pumping systems are arranged in parallel and are controlled to work by the electric control system in a unified way; the pumping unit mainly comprises a pumping cylinder, a pumping piston connected to one end of a connecting rod is arranged in the pumping cylinder, the pumping cylinder is divided into a pumping cylinder rodless cavity and a pumping cylinder rod cavity, the pumping cylinder rodless cavity is respectively connected with a discharge pipeline and a feed pipeline through a feeding and discharging three-way pipe, a discharge one-way valve is arranged on the discharge pipeline, and a suction one-way valve is arranged on the feed pipeline; the hydraulic unit mainly comprises a hydraulic cylinder, a hydraulic cylinder piston connected to the other end of the connecting rod is arranged in the hydraulic cylinder, the hydraulic cylinder is divided into a hydraulic cylinder rod cavity and a hydraulic cylinder rodless cavity, the hydraulic cylinder rod cavity is communicated with the pumping cylinder rod cavity through a water tank, a hydraulic cylinder sealing assembly is arranged between the hydraulic unit and the water tank for sealing, a hydraulic cylinder rod cavity oil port is formed in the hydraulic cylinder rod cavity, a hydraulic cylinder rodless cavity oil port is formed in the hydraulic cylinder rodless cavity, and the hydraulic cylinder rod cavity oil port and the hydraulic cylinder rodless cavity oil port are connected with a hydraulic pump and a hydraulic oil tank through a proportional reversing valve; the electric control system controls the hydraulic pump to input hydraulic oil in the hydraulic oil tank into the hydraulic cylinder through the hydraulic cylinder rodless cavity oil port, so that the hydraulic oil pushes the hydraulic cylinder piston to move forwards, power is transmitted to the pumping piston through the connecting rod, the pumping piston pushes slurry in the rodless cavity of the pumping cylinder to be discharged into the feeding and discharging three-way pipe, the suction check valve is closed, the discharge check valve is opened, the slurry is discharged through the discharge pipeline, and pumping discharge is realized.
Furthermore, the electric control system can control and adjust the pumping time interval of each group of hydraulic pumping systems, and the stability of flow output is ensured.
The utility model has the advantages that:
1. the utility model adopts multi-cylinder linkage, and is controlled by the same electric control system, thus ensuring the continuity and stability of the equipment work and increasing the equipment conveying efficiency;
2. the utility model reduces the risk of solid-liquid separation of slurry caused by intermittent pumping action of the equipment and reduces the risk of pipe blockage;
3. the utility model discloses pump sending switching-over device simple structure has promoted the reliability of equipment, has reduced the maintenance cost that equipment used.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises a discharge pipeline 1, a feed pipeline 2, a suction one-way valve 3, a discharge one-way valve 4, a feeding and discharging three-way pipe 5, a pumping cylinder rodless cavity 6, a pumping piston 7, a connecting rod 8, a pumping cylinder rod cavity 9, a pumping cylinder 10, a water tank 11, a hydraulic cylinder sealing assembly 12, a hydraulic cylinder rod cavity oil port 13, a hydraulic cylinder rod cavity 14, a hydraulic cylinder piston 15, a hydraulic cylinder rodless cavity 16, a hydraulic cylinder 17, a hydraulic cylinder rodless cavity oil port 18, a proportional directional valve 19, a hydraulic pump 20, a hydraulic oil tank 21 and an electric control system 22.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example (b): as shown in fig. 1, the multi-cylinder pumping equipment mainly comprises pumping units, hydraulic units and an electric control system 22, wherein each group of pumping units is provided with one set of hydraulic unit to form a group of hydraulic pumping systems, and three groups of hydraulic pumping systems are arranged in parallel and are controlled by the electric control system 22 to work in a unified way; the pumping unit mainly comprises a pumping cylinder 10, a pumping piston 7 connected to one end of a connecting rod 8 is arranged in the pumping cylinder 10, the pumping cylinder 10 is divided into a pumping cylinder rodless cavity 6 and a pumping cylinder rod cavity 9, the pumping cylinder rodless cavity 6 is respectively connected with a discharge pipeline 1 and a feed pipeline 2 through a feeding and discharging three-way pipe 5, a discharge one-way valve 4 is arranged on the discharge pipeline 1, and a suction one-way valve 3 is arranged on the feed pipeline 2; the hydraulic unit mainly comprises a hydraulic cylinder 17, a hydraulic cylinder piston 15 connected to the other end of the connecting rod 8 is arranged in the hydraulic cylinder 17, the hydraulic cylinder 17 is divided into a hydraulic cylinder rod cavity 14 and a hydraulic cylinder rodless cavity 16, the hydraulic cylinder rod cavity 14 is communicated with the pumping cylinder rod cavity 9 through a water tank 11, a hydraulic cylinder sealing component 12 is arranged between the hydraulic unit and the water tank 11 for sealing, a hydraulic cylinder rod cavity oil port 13 is formed in the hydraulic cylinder rod cavity 14, a hydraulic cylinder rodless cavity oil port 18 is formed in the hydraulic cylinder rodless cavity 16, and the hydraulic cylinder rod cavity oil port 13 and the hydraulic cylinder rodless cavity oil port 18 are connected with a hydraulic pump 20 and a hydraulic oil tank 21 through a proportional reversing valve 19; the hydraulic pump 20 is controlled by the electronic control system 22 to input hydraulic oil in the hydraulic oil tank 21 into the hydraulic cylinder 17 through the hydraulic cylinder rodless cavity oil port 18, so that the hydraulic oil pushes the hydraulic cylinder piston 15 to move forwards, power is transmitted to the pumping piston 7 through the connecting rod 8, the pumping piston 7 pushes slurry in the pumping cylinder rodless cavity 6 to be discharged into the feeding and discharging three-way pipe 5, the suction one-way valve 3 is closed, the discharge one-way valve 4 is opened, and the slurry is discharged from the discharge pipeline 1 to realize pumping and discharging; the electronic control system 22 starts the slurry pumping action of the second group of hydraulic pumping systems before the slurry pumping action of the first group of hydraulic pumping systems is terminated, and starts the slurry pumping action of the third group of hydraulic pumping systems before the slurry pumping action of the second group of hydraulic pumping systems is terminated, so that the stability of flow output is ensured, and meanwhile, the pumping time interval of each group of hydraulic pumping systems can be adjusted according to the square quantity requirement of pumped materials.
The utility model discloses a working process: in the pumping process, the electric control system 22 controls the hydraulic pump 20 to input hydraulic oil in the hydraulic oil tank 21 into the hydraulic cylinder 17 through the hydraulic cylinder rodless cavity oil port 18, so that the hydraulic oil pushes the hydraulic cylinder piston 15 to move forwards, power is transmitted to the pumping piston 7 through the connecting rod 8, the pumping piston 7 pushes slurry in the pumping cylinder rodless cavity 6 to be discharged into the feeding and discharging three-way pipe 5, at the moment, the suction one-way valve 3 is closed, the discharge one-way valve 4 is opened, and the slurry is discharged from the discharge pipeline 1; after pumping and discharging are finished, the proportional reversing valve 19 performs reversing action, hydraulic oil enters the hydraulic cylinder 17 from the rod cavity oil port 13 of the hydraulic cylinder, the hydraulic cylinder piston 15 is pushed to move backwards and reversely, so that the pumping piston 7 is driven to move backwards and reversely, at the moment, the suction check valve 3 is opened, the discharge check valve 4 is closed, and slurry is sucked into the pumping cylinder 10 through the feeding and discharging three-way pipe 5 to prepare for pumping out next time; the electric control system 22 uniformly controls a plurality of groups of hydraulic pumping systems connected in parallel, before the slurry pumping action of the previous hydraulic pumping system is terminated, the slurry pumping action of the next hydraulic pumping system is started, the stability of flow output is ensured, and meanwhile, the pumping time interval of each group of hydraulic pumping systems can be adjusted according to the square quantity requirement of the pumped materials.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (2)
1. A multi-cylinder pumping apparatus, characterized by: the hydraulic pump mainly comprises pumping units, hydraulic units and an electric control system (22), wherein each group of pumping units is provided with one set of hydraulic units to form one group of hydraulic pumping systems, and the plurality of groups of hydraulic pumping systems are arranged in parallel and are controlled to work by the electric control system (22) in a unified way; the pumping unit mainly comprises a pumping cylinder (10), a pumping piston (7) connected to one end of a connecting rod (8) is arranged in the pumping cylinder (10), the pumping cylinder (10) is divided into a pumping cylinder rodless cavity (6) and a pumping cylinder rod cavity (9), the pumping cylinder rodless cavity (6) is respectively connected with a discharge pipeline (1) and a feed pipeline (2) through a feeding and discharging three-way pipe (5), a discharge one-way valve (4) is arranged on the discharge pipeline (1), and a suction one-way valve (3) is arranged on the feed pipeline (2); the hydraulic unit mainly comprises a hydraulic cylinder (17), a hydraulic cylinder piston (15) connected to the other end of the connecting rod (8) is arranged in the hydraulic cylinder (17), the hydraulic cylinder (17) is divided into a hydraulic cylinder rod cavity (14) and a hydraulic cylinder rodless cavity (16), the hydraulic cylinder rod cavity (14) is communicated with the pumping cylinder rod cavity (9) through a water tank (11), a hydraulic cylinder sealing component (12) is arranged between the hydraulic unit and the water tank (11) for sealing, a hydraulic cylinder rod cavity oil port (13) is formed in the hydraulic cylinder rod cavity (14), a hydraulic cylinder rodless cavity oil port (18) is formed in the hydraulic cylinder rodless cavity (16), and the hydraulic cylinder rod cavity oil port (13) and the hydraulic cylinder rodless cavity oil port (18) are connected with a hydraulic pump (20) and a hydraulic oil tank (21) through a proportional reversing valve (19); the hydraulic pump (20) is controlled by the electric control system (22) to input hydraulic oil in the hydraulic oil tank (21) into the hydraulic cylinder (17) through the hydraulic cylinder rodless cavity oil port (18), so that the hydraulic oil pushes the hydraulic cylinder piston (15) to move forwards, power is transmitted to the pumping piston (7) through the connecting rod (8), the pumping piston (7) pushes slurry in the pumping cylinder rodless cavity (6) to be discharged into the feeding and discharging three-way pipe (5), the suction one-way valve (3) is closed while the discharge one-way valve (4) is opened, and the slurry is discharged from the discharge pipeline (1), so that pumping and discharging are realized.
2. The multi-cylinder pumping apparatus of claim 1, wherein: the electric control system (22) can control and adjust the pumping time interval of each group of hydraulic pumping systems, and the stability of flow output is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921634941.5U CN210859076U (en) | 2019-09-27 | 2019-09-27 | Multi-cylinder pumping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921634941.5U CN210859076U (en) | 2019-09-27 | 2019-09-27 | Multi-cylinder pumping equipment |
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| Publication Number | Publication Date |
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| CN210859076U true CN210859076U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921634941.5U Active CN210859076U (en) | 2019-09-27 | 2019-09-27 | Multi-cylinder pumping equipment |
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| CN (1) | CN210859076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821775A (en) * | 2019-09-27 | 2020-02-21 | 日昌升建筑新材料设计研究院有限公司 | Multi-cylinder parallel type mine tailing slurry hydraulic pumping system |
-
2019
- 2019-09-27 CN CN201921634941.5U patent/CN210859076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821775A (en) * | 2019-09-27 | 2020-02-21 | 日昌升建筑新材料设计研究院有限公司 | Multi-cylinder parallel type mine tailing slurry hydraulic pumping system |
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