CN214887512U - Hydraulic drive reciprocating type gas-liquid mixed transportation pump - Google Patents
Hydraulic drive reciprocating type gas-liquid mixed transportation pump Download PDFInfo
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- CN214887512U CN214887512U CN202022567719.7U CN202022567719U CN214887512U CN 214887512 U CN214887512 U CN 214887512U CN 202022567719 U CN202022567719 U CN 202022567719U CN 214887512 U CN214887512 U CN 214887512U
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- booster
- cylinder
- piston rod
- hollow piston
- pump
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- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 10
- 239000010865 sewage Substances 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic drive reciprocating type gas-liquid mixed transportation pump, which comprises a hydraulic cylinder driven in two directions and booster pumps connected on the left side and the right side of the hydraulic cylinder, wherein the hydraulic cylinder is connected with a hydraulic oil supply system, the end part of the booster pump is provided with a booster cylinder, and an intermediate connector is connected between the booster cylinder and the hydraulic cylinder; the middle part of pneumatic cylinder is equipped with the piston, and hollow piston rod wears to be equipped with in the inside of piston, and the both ends of hollow piston rod are connected with the plunger respectively, and plunger slidable mounting is in the inside passage of booster pump, plunger middle part fixedly connected with pull rod, and the cavity of hollow piston rod is stretched into to pull rod one end, pull rod and hollow piston rod fixed connection. The power transmission has high working efficiency and obvious energy-saving effect; the output pressure is stable; the service life of the wearing part is long; the requirements on machining and assembling precision are low; the sealing effect is good, no external leakage point exists, gas-liquid mixed transportation can be realized, and the device is suitable for pressurizing and conveying of harmful gas-containing media such as sewage, slurry, oil and the like.
Description
Technical Field
The utility model relates to a fluid machinery technical field particularly, relates to a reciprocating type gas-liquid of hydraulic drive thoughtlessly defeated pump.
Background
The existing reciprocating pump generally adopts a high-pressure plunger piston structure driven by a crank connecting rod, the stroke frequency in unit time is high (300 plus 400 stroke/min), the pressure fluctuation is large, so that the service life of a pump valve and a plunger pump is extremely short, the sealing is unreliable, the reciprocating pump can only be suitable for pumping liquid, and the leakage is very easy when a gas-liquid mixture is conveyed, so that the reciprocating pump device can not simultaneously meet the gas-liquid mixed conveying.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a reciprocating type gas-liquid multiphase pump of hydraulic drive adopts hydraulic cylinder drive, can realize long stroke, low stroke number, improves sealing performance greatly, can overcome the above-mentioned not enough of prior art.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows: a hydraulic drive reciprocating type gas-liquid mixed transportation pump comprises a hydraulic cylinder driven in two directions and booster pumps connected to the left side and the right side of the hydraulic cylinder, wherein a hydraulic oil supply system is connected to the hydraulic cylinder, a booster cylinder is arranged at the end part of each booster pump, and an intermediate connecting body is connected between each booster cylinder and the hydraulic cylinder; the middle part of pneumatic cylinder is equipped with the piston, hollow piston rod is worn to be equipped with in the inside of piston, the both ends of hollow piston rod are connected with the plunger respectively, plunger slidable mounting is in the inner passage of booster pump, plunger middle part fixedly connected with pull rod, pull rod one end stretches into hollow piston rod's cavity, the pull rod with hollow piston rod fixed connection.
Furthermore, the pressure cylinder is in threaded connection with the intermediate connecting body, a dirt blocking ring and a sealing ring are sleeved on the outer side of the pressure cylinder, and the sealing ring is a steckel seal sealing element.
Furthermore, the booster cylinder is isolated from the intermediate connecting body through a partition plate, oil through ports respectively communicated with the left cavity and the right cavity of the hydraulic cylinder are formed in the partition plate, and the hydraulic oil supply system is communicated with the oil through ports; the bottom of the clapboard is provided with a drain outlet which is communicated with the inlet of the booster pump.
Furthermore, one-way valves are installed at the inlet and the outlet of the booster pump.
Furthermore, the hollow piston rod is fixedly connected with the pull rod through a cylindrical pin on the side face, and the pull rod is in clearance fit with the hollow piston rod.
Furthermore, a through hole is formed in one side, close to the cylindrical pin, of the hollow piston rod, and the cavities of the two intermediate connecting bodies are communicated through the through hole.
Further, the surface of the plunger needs to be processed and hardened and honed.
The utility model has the advantages that: the power transmission has high working efficiency and obvious energy-saving effect; the output pressure is stable, no pressure fluctuation exists, the pipeline does not vibrate, and an air bag does not need to be installed; the service life of the wearing part is long; the displacement, pressure and stroke frequency can be randomly and steplessly changed; the cost is low, the whole pump has simple structure and light weight, and the hydraulic system adopts standard elements; the processing is simple, and the requirements on the processing and assembling precision are low; the sealing effect is good, no external leakage point exists, gas-liquid mixed transportation can be realized, and the device is particularly suitable for pressurizing and conveying of harmful gas-containing media such as sewage, slurry, oil and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hydraulically driven reciprocating gas-liquid mixture delivery pump according to an embodiment of the present invention;
fig. 2 is an enlarged view of a pressurized cylinder and an intermediate connecting body connection according to an embodiment of the present invention.
In the figure: 1. a hydraulic cylinder; 1-1, a piston; 1-2, a hollow piston rod; 1-3, through holes; 2. a booster pump; 2-1, pressurizing a cylinder; 2-2, an intermediate linker; 3. a hydraulic oil supply system; 4. a plunger; 4-1, a pull rod; 4-2, cylindrical pins; 5. a dirt blocking ring; 6. a seal ring; 7. a partition plate; 7-1, an oil through hole; 7-2 parts of a booster pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-2, according to the embodiment of the present invention, a hydraulic drive reciprocating type gas-liquid mixture pump includes a bidirectional drive hydraulic cylinder 1 and a booster pump 2 connected to the left and right sides of the hydraulic cylinder 1, the hydraulic cylinder 1 is connected to a hydraulic oil supply system 3, the end of the booster pump 2 is provided with a booster cylinder 2-1, and an intermediate connector 2-2 is connected between the booster cylinder 2-1 and the hydraulic cylinder 1; the middle part of the hydraulic cylinder 1 is provided with a piston 1-1, a hollow piston rod 1-2 penetrates through the piston 1-1, two ends of the hollow piston rod 1-2 are respectively connected with a plunger 4, the plunger 4 is slidably mounted in an internal channel of the booster pump 2, the middle part of the plunger 4 is fixedly connected with a pull rod 4-1, one end of the pull rod 4-1 extends into a cavity of the hollow piston rod 1-2, and the pull rod 4-1 is fixedly connected with the hollow piston rod 1-2.
In a specific embodiment of the present invention, the pressure cylinder 2-1 and the intermediate connecting body 2-2 are connected by a screw thread, the dirt blocking ring 5 and the sealing ring 6 are sleeved outside the pressure cylinder 2-1, and the sealing ring 6 is a steckel sealing member.
In a specific embodiment of the present invention, the pressure cylinder 2-1 is isolated from the intermediate connecting body 2-2 by a partition 7, the partition 7 is provided with an oil through port 7-1 respectively communicating with the left and right chambers of the hydraulic cylinder 1, and the hydraulic oil supply system 3 is communicated with the oil through port 7-1; the bottom of the clapboard 7 is provided with a sewage outlet 7-2, and the sewage outlet 7-2 is communicated with the inlet of the booster pump 2.
In an embodiment of the present invention, the inlet and the outlet of the booster pump 2 are both provided with a check valve.
In a specific embodiment of the present invention, the hollow piston rod 1-2 is fixedly connected to the pull rod 4-1 by a lateral cylindrical pin 4-2, and the pull rod 4-1 is in clearance fit with the hollow piston rod 1-2.
In a specific embodiment of the present invention, a through hole 1-3 is opened on one side of the hollow piston rod 1-2 near the cylindrical pin 4-2, and the chambers of the two intermediate connecting bodies 2-2 are communicated through the through hole 1-3.
In one embodiment of the present invention, the surface of the plunger 4 is subjected to work hardening and honing treatment.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to a reciprocating type gas-liquid of hydraulic drive thoughtlessly defeated pump, removed the crank link mechanism drive of general reciprocating pump, provided a reciprocating type booster pump device of hydraulic drive of energy-efficient, reliable operation.
The main structure of the booster pump comprises a hydraulic cylinder 1 and booster pumps 2 on the left side and the right side, wherein each booster pump 2 comprises a booster cylinder 2-1, each booster cylinder 2-1 is connected with the hydraulic cylinder 1 through an intermediate connecting body 2-2, a plunger 4 which is arranged in each booster cylinder 2-1 in a sliding mode is connected with a hollow piston rod 1-2, and power is provided by the hydraulic cylinder 1 to make reciprocating motion.
The booster cylinder 2-1 is connected with the intermediate connector 2-2 through screw threads to form a booster pump 2, a dirt blocking ring 5 and a sealing ring 6 are arranged on the outer side of the booster cylinder 2-1, the sealing ring 6 adopts a steckel seal part to form a plunger type sealing structure, and the plunger 4 only contacts with the dirt blocking ring 5 and the sealing ring 6 in a friction mode when working, but does not contact with the metal surface on the inner side of the booster pump 2, so that the requirements on the installation and processing precision of the booster pump 2 can be greatly reduced, and the overall cost of equipment is reduced.
The plunger 4 in the pressure cylinder 2-1 needs to be subjected to surface processing hardening and honing treatment, so that the hardness and the smoothness of the surface are increased, the sealing property is improved, and the service life of a sealing element is prolonged.
The plunger 4 in the booster cylinder 2-1 is connected with the pull rod 4-1, the pull rod 4-1 extends into the end part of the hollow piston rod 1-2 and is connected with the hollow piston rod 1-2 through the cylindrical pin 4-2, the pull rod 4-1 and the hollow piston rod 1-2 are in clearance fit, the plunger 4 is allowed to have certain radial deviation under the working state, a floating plunger structure is formed, the installation precision requirement of the booster pump 2 is lowered, and even if the assembly coaxiality of the booster pump 2 and the hydraulic cylinder 1 has large deviation, the hollow piston rod 1-2 cannot be radially extruded greatly to cause leakage of a sealing part of the piston 1-1.
The hydraulic cylinder 1 is isolated from the two intermediate connectors 2-2 through a partition plate 7, an oil through opening 7-1 is formed in the partition plate 7 and is respectively communicated with the left cavity and the right cavity of the hydraulic cylinder 1, and when a hydraulic system works, hydraulic oil flows in and out of the left cavity and the right cavity of the hydraulic cylinder 1 through program control, so that reciprocating motion is realized.
The bottom of the partition plate 7 is also provided with a drain outlet 7-2, the drain outlet 7-2 is communicated with the inlet of the pressure cylinder 2-1, leaked hydraulic oil and working media can be discharged in time, and the device can be ensured to convey media containing harmful gases.
A through hole 1-3 is processed at the position of the hollow piston rod 1-2 close to the cylindrical pin 4-2 and is communicated with the chambers of the two intermediate connecting bodies 2-2, so that the pressure of the chambers of the intermediate connecting bodies is balanced when the plunger reciprocates.
In conclusion, by means of the technical scheme of the utility model, the power transmission has high working efficiency and obvious energy-saving effect; the output pressure is stable, no pressure fluctuation exists, the pipeline does not vibrate, and an air bag does not need to be installed; the service life of the wearing part is long; the pump valve works in a near non-impact state by adopting low stroke frequency and hydraulic control measures; the degree of automation is high, and the reciprocating reversing motion is automatically realized through a programmer; the displacement, pressure and stroke frequency can be randomly and steplessly changed; the whole pump has simple structure and light weight, and the hydraulic system adopts standard elements and has low manufacturing cost; the processing is simple, and the requirements on the processing and assembling precision are low; the sealing effect is good, no external leakage point exists, gas-liquid mixed transportation can be realized, and the device is particularly suitable for pressurizing and conveying of harmful gas-containing media such as sewage, slurry, oil and the like.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A hydraulic drive reciprocating type gas-liquid mixed transportation pump comprises a hydraulic cylinder (1) driven in a two-way mode, wherein the left side and the right side of the hydraulic cylinder (1) are respectively connected with a booster pump (2), the hydraulic pump is characterized in that the hydraulic cylinder (1) is connected with a hydraulic oil supply system (3), the end part of the booster pump (2) is provided with a booster cylinder (2-1), and the booster cylinder (2-1) is connected with the hydraulic cylinder (1) through an intermediate connecting body (2-2); the middle part of pneumatic cylinder (1) is equipped with piston (1-1), hollow piston rod (1-2) are worn to be equipped with in the inside of piston (1-1), the both ends of hollow piston rod (1-2) are connected with plunger (4) respectively, plunger (4) slidable mounting is in the inside passage of booster pump (2), plunger (4) middle part fixedly connected with pull rod (4-1), pull rod (4-1) one end stretches into the cavity of hollow piston rod (1-2), pull rod (4-1) with hollow piston rod (1-2) fixed connection.
2. The hydraulically driven reciprocating gas-liquid mixture pump according to claim 1, characterized in that the booster cylinder (2-1) is connected with the intermediate connecting body (2-2) by a screw thread, a dirt blocking ring (5) and a sealing ring (6) are sleeved outside the booster cylinder (2-1), and the sealing ring (6) is a steckel seal.
3. The hydraulically-driven reciprocating gas-liquid mixture pump according to claim 1, characterized in that the booster cylinder (2-1) is isolated from the intermediate connecting body (2-2) by a partition plate (7), the partition plate (7) is provided with oil through ports (7-1) respectively communicating with the left and right chambers of the hydraulic cylinder (1), and the hydraulic oil supply system (3) is communicated with the oil through ports (7-1); a sewage draining outlet (7-2) is formed in the bottom of the partition plate (7), and the sewage draining outlet (7-2) is communicated with an inlet of the booster pump (2).
4. The hydraulically driven reciprocating gas-liquid mixture transfer pump according to claim 1, characterized in that the inlet and outlet of the booster pump (2) are equipped with one-way valves.
5. The hydraulically driven reciprocating gas-liquid mixture pump according to claim 1, characterized in that the hollow piston rod (1-2) and the pull rod (4-1) are fixedly connected through a cylindrical pin (4-2) at the side, and the pull rod (4-1) and the hollow piston rod (1-2) are in clearance fit.
6. The hydraulically driven reciprocating gas-liquid mixture pump according to claim 5, characterized in that the hollow piston rod (1-2) is provided with a through hole (1-3) on one side close to the cylindrical pin (4-2), and the chambers of the two intermediate connecting bodies (2-2) are communicated through the through hole (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022567719.7U CN214887512U (en) | 2020-11-09 | 2020-11-09 | Hydraulic drive reciprocating type gas-liquid mixed transportation pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022567719.7U CN214887512U (en) | 2020-11-09 | 2020-11-09 | Hydraulic drive reciprocating type gas-liquid mixed transportation pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887512U true CN214887512U (en) | 2021-11-26 |
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ID=78885973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022567719.7U Active CN214887512U (en) | 2020-11-09 | 2020-11-09 | Hydraulic drive reciprocating type gas-liquid mixed transportation pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887512U (en) |
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2020
- 2020-11-09 CN CN202022567719.7U patent/CN214887512U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231115 Address after: Room 801, 8th Floor, Building 3, No. 12 Anxiang Street, Shunyi District, Beijing, 101300 Patentee after: Hengqing Turbine (Beijing) Machinery Technology Co.,Ltd. Address before: No. 18, Huitong street, economic development zone, Miyun District, Beijing 100101 Patentee before: BEIJING JERRYWON ENERGY EQUIPMENT MANUFACTURE Co.,Ltd. |
|
| TR01 | Transfer of patent right |