Suction and production high-frequency pump

Abstract

The utility model discloses a suction and extraction high-frequency pump, which comprises a pump body, a driving device, a transmission mechanism and at least one group of continuous suction and extraction units arranged in the pump body, each continuous suction and extraction unit comprises two groups of suction and extraction components, and the driving device is in linkage connection with the continuous suction and extraction units through the transmission mechanism. And when one set of suction and extraction assembly sucks and extracts the medium, the other set of suction and extraction assembly discharges the medium, and when one set of suction and extraction assembly discharges the medium, the other set of suction and extraction assembly sucks and extracts the medium. The device is simple and reliable in structure, can realize efficient and continuous conveying of gas, solid and liquid mixtures, and can be used for absorption and recovery as well as reinjection.

Description

TECHNICAL FIELD

[0001] The utility model relates to medium conveying device technical field, especially a kind of suction high frequency pump. BACKGROUND

[0002] In oil exploitation, oil well production often accompanies with a certain amount of natural gas, water and solid particles. In order to achieve the purpose of reducing wellhead back pressure, increasing crude oil production, improving development economic benefits and achieving oil and gas closed conveying, oil and gas mixed transportation technology is more and more widely applied to oil and gas development.

[0003] Oil and gas mixed transportation technology is a new technology that directly transports crude oil production to the joint station after mixing and pressurizing. Compared with the traditional oil production process, it can reduce the construction of a gas pipeline and reduce oil and gas separation equipment. For offshore oilfields, it can reduce the platform area. Oil and gas mixed transportation technology can not only make full use of energy, but also improve the environmental conditions, and its economic and social benefits are very considerable.

[0004] The utility model patent with application number CN202023351253.3 discloses a multiphase flow mixed transportation device, which includes a first tank body, a second tank body and a reversing mechanism. The reversing mechanism drives the liquid in the first tank body and the second tank body to reciprocate and circulate, so that the first tank body and the second tank body alternately form a vacuum suction chamber and / or a compression discharge chamber to realize the continuous transportation of liquid, gas or gas-liquid mixture. In actual use, the structure has the following defects: (1) first, the reversing mechanism drives the liquid in the first tank body and the second tank body to reciprocate and circulate, which not only has a complex structure, but also cannot simultaneously perform vacuum suction and compression discharge, and the efficiency is low; (2) it is only suitable for the transportation of liquid, gas or gas-liquid mixture, and is not suitable for the mixed transportation of gas, solid and liquid.

[0005] Therefore, it is necessary to develop a suction high frequency pump that can realize the continuous transportation of gas, solid and liquid mixture. UTILITY MODEL CONTENT

[0006] The utility model discloses a kind of suction high frequency pumps, the utility model not only simple and reliable structure, but also can realize the efficient continuous transportation of gas, solid and liquid mixture, can suction, also can be injected back.

[0007] To achieve the above object, the utility model provides the following technical scheme: a suction high frequency pump, including pump body, drive device, transmission mechanism and at least one group of continuous suction unit arranged in pump body, the continuous suction unit includes two groups of suction assembly, the drive device is linked with continuous suction unit by transmission mechanism, so that one group of suction assembly absorbs medium when, another group of suction assembly discharges medium, and one group of suction assembly discharges medium, another group of suction assembly absorbs medium.

[0008] By adopting the technical scheme, continuous and uninterrupted suction operation can be realized during suction operation, that is, medium discharge is performed at the same time of suction, and medium conveying efficiency is significantly improved.

[0009] The utility model further provides for, the suction component includes cylinder body, piston, suction valve ear, discharge valve ear and output pipe, the pump body is separated with transmission cavity and medium cavity through the baffle in, the pump body surface is equipped with with the import and a plurality of exports of medium cavity intercommunication, the cylinder body is installed in the baffle corresponding transmission cavity's one side, the piston is movably arranged in the cylinder body, and the piston is equipped with piston rod connected with the transmission mechanism, the output pipe is installed in the baffle corresponding medium cavity's one side and is connected with corresponding export intercommunication, the baffle is equipped with with the medium cavity and cylinder body interior intercommunication's suction mouth and the discharge port of the cylinder body with output pipe intercommunication, the baffle is equipped with with the medium cavity and cylinder body interior intercommunication's suction mouth and the discharge port of the cylinder body with output pipe intercommunication, the suction valve ear and discharge valve ear are installed respectively in suction mouth and discharge port, when the piston moves towards the direction away from the baffle, the suction valve ear opens the suction mouth, and the discharge valve ear closes the discharge port, when the piston moves towards the direction close to the baffle, the suction valve ear closes the suction mouth, and the discharge valve ear opens the discharge port.

[0010] By adopting the technical scheme, the piston type structure is used to realize multiphase flow, that is, efficient and continuous conveying of gas, solid and liquid mixture, and the extreme requirements of gas, solid and liquid mixture on the pump valve are overcome.

[0011] The utility model further provides for, the suction valve ear includes with the transmission mechanism cooperation's suction valve stem, sets up in the suction valve stem's suction valve petal and is used for driving the first elastic member of suction valve stem and suction valve petal reset, the discharge valve ear includes with the transmission mechanism cooperation's discharge valve stem, sets up in the discharge valve stem's discharge valve petal and is used for driving the second elastic member of discharge valve stem and discharge valve petal reset.

[0012] By adopting the technical scheme, the suction valve ear and the discharge valve stem cooperate with the piston structure to open and close, realize the suction and discharge of the medium, and the structure is stable and reliable.

[0013] The utility model further provides for, the transmission mechanism includes driving crankshaft and driven crankshaft, the driving crankshaft and driven crankshaft rotation setting in the pump body, and driving crankshaft and driven crankshaft are linked through transmission piece, the driving device is linked with driving crankshaft and is used for driving driving crankshaft rotation, driving crankshaft is provided with a plurality of main shaft cam along the axial direction, and the direction of every adjacent two main shaft cams is opposite, the main shaft cam is connected with corresponding piston rod and is used for pushing and pulling piston displacement along the cylinder body axial direction, the driven crankshaft is provided with a plurality of from shaft cam along the axial direction, and the direction of every adjacent two from shaft cams is opposite, and the suction valve stem and the discharge valve stem are matched with adjacent two from shaft cams respectively.

[0014] By adopting the technical scheme, the driving crankshaft and the driven crankshaft are connected through the transmission member, that is, when the driving device drives the driving crankshaft to rotate, the driven crankshaft rotates simultaneously, the corresponding suction valve ear and discharge valve ear perform opening and closing actions simultaneously, linkage of multiple structures can be realized only by using one driving device, cost is lower, and structural stability is better.

[0015] The utility model further sets up, transmission member is gear transmission subassembly or chain transmission subassembly or belt transmission subassembly.

[0016] By adopting the technical scheme, the driving crankshaft and the driven crankshaft are connected through the transmission member, that is, when the driving device drives the driving crankshaft to rotate, the driven crankshaft rotates simultaneously, the corresponding suction valve ear and discharge valve ear perform opening and closing actions simultaneously, linkage of multiple structures can be realized only by using one driving device, cost is lower, and structural stability is better.

[0017] The utility model further sets up, the piston outer circumferential surface is equipped with the sealing ring for with the cylinder body inner circumferential surface constitutes sealed cooperation.

[0018] By adopting the technical scheme, the sealing property between the two can be realized, and leakage of medium from the gap between the two is avoided.

[0019] The utility model further sets up, the driving device adopts variable frequency motor.

[0020] By adopting the technical scheme, the variable frequency motor can be speed-regulated according to the working condition, high frequency is used to realize pressure boosting, and pressure delivery flow and safety requirements are realized.

[0021] The utility model further sets up, the import of pump body is equipped with only allowing medium to enter the first check valve in the pump body interior, the export of pump body is equipped with only allowing medium to discharge the second check valve outside the pump body.

[0022] By adopting the technical scheme, the first check valve and the second check valve have the effects of noise reduction and broken tail flow on the basis of preventing backflow.

[0023] The utility model further sets up, be equipped with the lubricating oil groove for delivering lubricating oil to every lubrication point in the pump body.

[0024] By adopting the technical scheme, the lubricating oil is delivered to every lubrication point through the oil pump, every transmission component in the pump body can be accurately lubricated, part wear is reduced, and the overall service life is improved.

[0025] The utility model further sets up, multiple continuous suction unit all are arranged in the same side of driving crankshaft, and evenly distribute along driving crankshaft axial direction.

[0026] By adopting the technical scheme, it is the first setting mode of continuous suction unit, has the advantage of high efficient transmission.

[0027] The utility model further sets up, multiple continuous suction unit all set up in the two sides of driving crankshaft, and the continuous suction unit of two sides evenly distributes along driving crankshaft axial direction.

[0028] Through adopting above-mentioned technical scheme, it is the second setting mode of continuous suction unit, can further promote mixed transportation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the whole structure schematic diagram of the utility model;

[0030] Figure 2 It is the structure schematic diagram of the utility model continuous suction unit.

[0031] In the drawing:

[0032] 4, pump body;5, driving device;7, transmission mechanism;8, continuous suction unit;13, import;14, export;17, suction assembly;18, cylinder body;19, piston;20, suction valve lug;21, discharge valve lug;22, output pipe;23, baffle;24, transmission cavity;25, medium cavity;26, piston rod;27, suction port;28, discharge port;29, suction valve rod;30, suction valve flap;31, first elastic part;32, discharge valve rod;33, discharge valve flap;34, second elastic part;35, driving crankshaft;36, driven crankshaft;37, transmission part;38, main shaft cam;39, from shaft cam;40, first check valve;41, second check valve;42, lubricating oil groove. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0034] Embodiment: as attached Figure 1 and attached Figure 2The shown suction high frequency pump includes a pump body 4, a driving device 5, a transmission mechanism 7, and at least one set of continuous suction units 8 arranged in the pump body 4, the continuous suction units 8 including two sets of suction assemblies 17, the driving device 5 being linked with the continuous suction units 8 through the transmission mechanism 7, so that when one set of suction assemblies 17 sucks the medium, the other set of suction assemblies 17 discharges the medium, and when one set of suction assemblies 17 discharges the medium, the other set of suction assemblies 17 sucks the medium. When the suction operation is performed, continuous and uninterrupted suction operation can be realized, i.e. the medium is discharged while being sucked, and the medium conveying efficiency is significantly improved, and the pump can suck and also inject.

[0035] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2 As shown in the accompanying drawings, the suction assembly 17 includes a cylinder body 18, a piston 19, a suction valve ear 20, a discharge valve ear 21, and an output pipe 22; the pump body 4 is divided into a transmission cavity 24 and a medium cavity 25 by a partition plate 23, the pump body 4 is provided with an inlet 13 and a plurality of outlets 14 which are in communication with the medium cavity 25, the cylinder body 18 is installed on the side of the partition plate 23 corresponding to the transmission cavity 24, and the internal space of the cylinder body 18 is separated from the medium cavity 25, the piston 19 is movably arranged in the cylinder body 18, and the piston 19 is provided with a piston rod 26 which is connected with the transmission mechanism 7, the output pipe 22 is installed on the side of the partition plate 23 corresponding to the medium cavity 25 and is in communication with the corresponding outlet 14, the partition plate 23 is provided with a suction port 27 which is in communication with the internal space of the cylinder body 18 and the medium cavity 25, and a discharge port 28 which is in communication with the cylinder body 18 and the output pipe 22, the suction valve ear 20 and the discharge valve ear 21 are respectively installed on the suction port 27 and the discharge port 28; when the piston 19 moves away from the partition plate 23, the suction valve ear 20 opens the suction port 27, and the discharge valve ear 21 closes the discharge port 28, when the piston 19 moves towards the partition plate 23, the suction valve ear 20 closes the suction port 27, and the discharge valve ear 21 opens the discharge port 28. The piston 19 type structure is adopted to realize multiphase flow, i.e. efficient and continuous conveying of gas, solid and liquid mixture, and the extreme requirements of the gas, solid and liquid mixture on the pump valve are overcome.

[0036] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2As shown, the suction valve ear 20 includes a suction valve rod 29 matched with the transmission mechanism 7, a suction valve flap 30 arranged on the suction valve rod 29, and a first elastic member 31 for driving the suction valve rod 29 and the suction valve flap 30 to reset; the discharge valve ear 21 includes a discharge valve rod 32 matched with the transmission mechanism 7, a discharge valve flap 33 arranged on the discharge valve rod 32, and a second elastic member 34 for driving the discharge valve rod 32 and the discharge valve flap 33 to reset, wherein the suction valve flap 30 and the discharge valve flap 33 both have a first tapered sealing surface, the suction port 27 and the discharge port 28 both have a second tapered sealing surface, the first elastic member 31 and the second elastic member 34 can adopt springs, one end of the first elastic member 31 is relatively fixed, the other end is fixedly connected with the suction valve flap 30 or the suction valve rod 29, and the second elastic member 34 is the same. The suction valve ear 20 and the discharge valve rod 32 cooperate with the piston 19 to be opened and closed, so that the medium is sucked and discharged, and the structure is stable and reliable.

[0037] As shown in Figs. 1 and 2, Figure 1 and Figs. 3 and 4, Figure 2 As shown, the transmission mechanism 7 includes a driving crankshaft 35 and a driven crankshaft 36, the driving crankshaft 35 and the driven crankshaft 36 are rotationally arranged on the pump body 4, and the driving crankshaft 35 and the driven crankshaft 36 are connected in linkage through a transmission member 37, the driving device 5 is connected in linkage with the driving crankshaft 35 for driving the driving crankshaft 35 to rotate, the driving crankshaft 35 is axially provided with a plurality of main shaft cams 38, every two adjacent main shaft cams 38 are oppositely directed, which are arranged left and right in this embodiment, the main shaft cam 38 is connected with the corresponding piston rod 26 for pushing and pulling the piston 19 to axially displace along the cylinder body 18, the driven crankshaft 36 is axially provided with a plurality of driven shaft cams 39, every two adjacent driven shaft cams 39 are oppositely directed, which are arranged left and right in this embodiment, the suction valve rod 29 and the discharge valve rod 32 are matched with the two adjacent driven shaft cams 39 respectively. The driving crankshaft 35 and the driven crankshaft 36 are connected through the transmission member 37, that is, when the driving device 5 drives the driving crankshaft 35 to rotate, the driven crankshaft 36 rotates at the same time, realizing that the piston 19 moves at the same time, the corresponding suction valve ear 20 and discharge valve ear 21 perform opening and closing actions, only one driving device 5 can realize linkage of multiple structures, which not only has lower cost, but also has better structural stability.

[0038] More specifically, the transmission member 37 is a gear transmission assembly or a chain transmission assembly or a belt transmission assembly. (1) The gear transmission assembly includes a driving gear arranged on the driving crankshaft 35 and a driven gear arranged on the driven crankshaft 36, and the driving gear and the driven gear are engaged. (2) The chain transmission assembly includes a driving sprocket arranged on the driving crankshaft 35 and a driven sprocket arranged on the driven crankshaft 36, and the driving sprocket and the driven sprocket are engaged and connected by a chain. (3) The belt transmission assembly includes a driving pulley arranged on the driving crankshaft 35 and a driven pulley arranged on the driven crankshaft 36, and the driving pulley and the driven pulley are covered with a belt. It is a variety of setting modes of the transmission member 37, which can realize the linkage of the driving crankshaft 35 and the driven crankshaft 36.

[0039] Among them, the outer circular surface of the piston 19 is provided with a sealing ring for sealing cooperation with the inner circular surface of the cylinder body 18. The sealing between the two can be realized, and the leakage of the medium from the gap between the two can be avoided.

[0040] Among them, the driving device 5 adopts a variable frequency motor. The variable frequency motor can adjust the speed according to the working condition, and the high frequency can realize the pressure boost, realize the pressure delivery flow and safety requirement.

[0041] As shown in the accompanying Figure 1 The inlet 13 of the pump body 4 is provided with a first check valve 40 which only allows the medium to enter the inside of the pump body 4, and the outlet 14 of the pump body 4 is provided with a second check valve 41 which only allows the medium to exit the outside of the pump body 4. The first check valve 40 and the second check valve 41 not only prevent backflow, but also have the effect of reducing noise and breaking tail flow.

[0042] As shown in the accompanying Figure 1 The pump body 4 is provided with a lubricating oil groove 42 for delivering lubricating oil to each lubricating point. By delivering lubricating oil to each lubricating point through an oil pump, each transmission component in the pump body 4 can be precisely lubricated, reducing the wear of parts and improving the overall service life.

[0043] As an extension scheme, a plurality of continuous suction units 8 are arranged on the same side of the driving crankshaft 35 and are uniformly distributed along the axis of the driving crankshaft 35. It is the first setting mode of the continuous suction unit 8, which has the advantage of high efficiency transmission.

[0044] As a further extension scheme, a plurality of continuous suction units 8 are arranged on both sides of the driving crankshaft 35, and the continuous suction units 8 on both sides are uniformly distributed along the axis of the driving crankshaft 35. In this scheme, the corresponding piston rods 26 on both sides can share a rod or be two separate rods, and in this scheme, one driving crankshaft 35 drives and two driven crankshafts 36 are driven. It is the second setting mode of the continuous suction unit 8, which can further improve the mixing and conveying efficiency.

[0045] Working principle: during the suction operation, the main crankshaft 35 is driven to rotate by the variable frequency motor, the main crankshaft 35 drives the driven crankshaft 36 to rotate through the transmission member 37, the main shaft cam 38 on the main crankshaft 35 cooperates with the corresponding piston rod 26, and the driven crankshaft 36 cooperates with the corresponding suction valve ear 20 or discharge valve ear 21; taking a group of continuous suction units 8 as an example, the piston 19 of a group of suction assemblies 17 is pulled by the piston rod 26 of the main crankshaft 35, so that the internal space of the cylinder body 18 generates negative pressure, at the same time, the suction port 27 corresponding to the suction valve ear 20 of the piston 19 structure is opened under the action of the corresponding shaft cam 39 on the driven crankshaft 36, and the discharge port 28 corresponding to the suction valve ear 21 of the piston 19 structure is closed under the action of the second elastic member 34, at this time, the suction assembly 17 performs the suction process, and then the piston 19 of the suction assembly 17 is pushed by the piston rod 26 of the main crankshaft 35, so that the internal space of the cylinder body 18 generates compression, at the same time, the suction port 27 corresponding to the suction valve ear 20 of the piston 19 structure is closed under the action of the first elastic member 31, and the discharge port 28 corresponding to the suction valve ear 21 of the piston 19 structure is opened under the action of the corresponding shaft cam 39 on the driven crankshaft 36, realizing the action of one suction and one discharge; the adjacent group of suction assemblies 17 performs the opposite work, that is, one discharge and one suction, so as to realize the efficient and continuous transportation of gas, solid and liquid mixture. Similarly, the continuous suction unit 8 can be provided with multiple groups as needed, so as to further improve the mixing and transportation efficiency. In addition, by reversing the use of the first check valve 40 and the second check valve 41, the suction can be performed, and the injection can also be performed.

[0046] The suction high-frequency pump can be applied in the following fields:

[0047] 1. Petroleum and natural gas industry: in the oil or natural gas exploitation, the "suction high-frequency pump" can refer to a system for sucking underground oil and gas resources and transporting the oil and gas mixture to the processing facility. This system is usually used for complex oil and gas field development, especially in the case of multiphase flow (oil, gas, water and sand mixture), which has the advantage of safe and mixed transportation.

[0048] 2. Medical field: in medical equipment, the "suction high-frequency pump" can refer to a device for sucking body fluids (such as sputum or blood), collecting samples and mixing and transporting. For example, some medical equipment can simultaneously perform sputum suction and infusion operation, and produce pharmaceutical process mixed transportation medium.

[0049] 3. Chemical or industrial field: in chemical or industrial production, this system can be used to suck raw materials, collect and transport a plurality of substances after mixing to the next production link.

[0050] For example, in the process of liquid mixing or reaction, it can be necessary to mix and transport different components in proportion.

[0051] As a variety of acid-base salt liquid and resin, pigment, ink, paint, glycerol, paraffin delivery pump;

[0052] Refinery: for conveying various heating oil, asphalt oil, tar, latex, asphalt and used as oil delivery, oil pool tank truck of various oil products.

[0053] 4, environmental protection or sewage treatment-in the field of environmental protection, "suction high frequency pump" can be used to suck sewage or sludge, collect samples and mixed delivery, in order to further processing or analysis.

[0054] Core function:

[0055] (1) suction: suction liquid, gas or solid particles, and collect samples.

[0056] (2) mixed delivery: after mixing a variety of substances to the designated location.

[0057] 5, shipbuilding-used as ship loading pump, sweep warehouse pump, ship ballast pump, main engine lubricating oil pump, fuel delivery pump, fuel injection pump, cargo oil pump, etc.;

[0058] Thermal power plant-used as heavy oil and crude oil delivery pump, heavy oil fuel pump, etc.

[0059] 6, food-wine, food, sugar, canneries, delivery of alcohol, honey, sugar juice, toothpaste, milk, cream, soy sauce, vegetable oil, animal oil, etc.

Claims

1. An aspiration high frequency pump characterized by: The pump body (4), the driving device (5), the transmission mechanism (7) and at least one set of continuous suction unit (8) arranged in the pump body (4), the continuous suction unit (8) includes two sets of suction assembly (17), the driving device (5) is connected with the continuous suction unit (8) through the transmission mechanism (7), so that one set of suction assembly (17) absorbs the medium, and the other set of suction assembly (17) discharges the medium, and one set of suction assembly (17) discharges the medium, and the other set of suction assembly (17) absorbs the medium; The suction assembly (17) includes a cylinder (18), a piston (19), a suction valve lug (20), a discharge valve lug (21) and an output pipe (22); the pump body (4) is divided into a transmission cavity (24) and a medium cavity (25) by a partition plate (23), the pump body (4) is provided with an inlet (13) and a plurality of outlets (14) which are communicated with the medium cavity (25), the cylinder (18) is installed on one side of the partition plate (23) corresponding to the transmission cavity (24), the piston (19) is movably arranged in the cylinder (18), and the piston (19) is provided with a piston rod (26) connected with the transmission mechanism (7), the output pipe (22) is installed on one side of the partition plate (23) corresponding to the medium cavity (25) and is communicated with the corresponding outlet (14), the partition plate (23) is provided with a suction port (27) for connecting the medium cavity (25) with the inside of the cylinder (18) and a discharge port (28) for connecting the cylinder (18) with the output pipe (22), the suction valve lug (20) and the discharge valve lug (21) are installed on the suction port (27) and the discharge port (28) respectively; when the piston (19) moves away from the partition plate (23), the suction valve lug (20) opens the suction port (27), and the discharge valve lug (21) closes the discharge port (28); when the piston (19) moves towards the partition plate (23), the suction valve lug (20) closes the suction port (27), and the discharge valve lug (21) opens the discharge port (28).

2. The high frequency pump of claim 1, wherein: The suction valve lug (20) includes a suction valve rod (29) matched with the transmission mechanism (7), a suction valve flap (30) arranged on the suction valve rod (29) and a first elastic member (31) for driving the suction valve rod (29) and the suction valve flap (30) to reset; the discharge valve lug (21) includes a discharge valve rod (32) matched with the transmission mechanism (7), a discharge valve flap (33) arranged on the discharge valve rod (32) and a second elastic member (34) for driving the discharge valve rod (32) and the discharge valve flap (33) to reset.

3. The high frequency pump of claim 2, wherein: The transmission mechanism (7) comprises a driving crankshaft (35) and a driven crankshaft (36), the driving crankshaft (35) and the driven crankshaft (36) are rotatably arranged on the pump body (4), and the driving crankshaft (35) and the driven crankshaft (36) are connected in linkage through a transmission member (37), the driving device (5) is connected in linkage with the driving crankshaft (35) for driving the driving crankshaft (35) to rotate, the driving crankshaft (35) is provided with a plurality of main shaft cams (38) in the axial direction, every two adjacent main shaft cams (38) are oppositely directed, the main shaft cams (38) are connected with corresponding piston rods (26) for pushing and pulling the pistons (19) to move along the cylinder body (18) in the axial direction, the driven crankshaft (36) is provided with a plurality of driven shaft cams (39) in the axial direction, every two adjacent driven shaft cams (39) are oppositely directed, the suction valve rod (29) and the discharge valve rod (32) are matched with two adjacent driven shaft cams (39) respectively.

4. The high frequency pump of claim 3, wherein: The transmission member (37) is a gear transmission assembly or a chain transmission assembly or a belt transmission assembly.

5. The high frequency pump of claim 1, wherein: The driving device (5) adopts a variable frequency motor.

6. The high frequency pump of claim 1, wherein: The inlet (13) of the pump body (4) is provided with a first check valve (40) allowing only the medium to enter the inside of the pump body (4), and the outlet (14) of the pump body (4) is provided with a second check valve (41) allowing only the medium to be discharged to the outside of the pump body (4).

7. The high frequency pump of claim 1, wherein: The pump body (4) is provided with a lubricating oil groove (42) for delivering lubricating oil to each lubricating point.

8. The high frequency pump of claim 3, wherein: A plurality of continuous suction units (8) are arranged on the same side of the driving crankshaft (35) and are uniformly distributed along the axial direction of the driving crankshaft (35).

9. The high frequency pump of claim 3, wherein: A plurality of continuous suction units (8) are arranged on both sides of the driving crankshaft (35), and the continuous suction units (8) on both sides are uniformly distributed along the axial direction of the driving crankshaft (35). A plurality of continuous suction units (8) are arranged on both sides of the driving crankshaft (35), and the continuous suction units (8) on both sides are uniformly distributed along the axial direction of the driving crankshaft (35).

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