Novel multi-gear hydraulic pump

Abstract

The invention discloses a novel multi-gear hydraulic pump and relates to the technical field of hydraulic pumps, the novel multi-gear hydraulic pump comprises a pump body, a lubricating mechanism, a liquid outlet pipe, an adjusting mechanism, a cavity and a liquid control mechanism, the cavity is formed in the pump body, the adjusting mechanism in threaded transmission is arranged in the cavity, and the pump body is provided with the lubricating mechanism and the liquid control mechanism on the two sides of the adjusting mechanism respectively; liquid feeding pipes are embedded in the two sides of the pump body, a fixing frame is fixedly connected to one side of the pump body, and a driving shaft is arranged on one side of the fixing frame. According to the device, when a first gear seat moves a knocking rod to trigger an ejector rod, the ejector rod pushes a control button electrically connected with a liquid supply pump to enable the liquid supply pump to work, the liquid supply pump is guided to the gear seat needing to be lubricated through a lubricating guide groove, and a liquid control mechanism is effectively lubricated in good time; the pressing wheels on the adjusting frame extrude the cooling pipes according to the layout design of the cooling pipes, and the flowing sectional area of cooling liquid is changed so as to adjust the flow speed.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic pumps, in particular to a novel multi-gear hydraulic pump. Background Art

[0002] As the core power component of the hydraulic system, the hydraulic pump plays a vital role in many industrial fields such as engineering machinery, aerospace, metallurgy, mining, etc. After years of development, traditional hydraulic pumps have formed many types, such as gear hydraulic pumps, vane hydraulic pumps, plunger hydraulic pumps, etc. Each type has its own characteristics and scope of application. Among them, gear hydraulic pumps have been widely used for their simple structure, low cost, and reliable operation. However, with the continuous improvement of modern industry's requirements for the performance of hydraulic equipment, traditional gear hydraulic pumps have gradually exposed some limitations;

[0003] In terms of lubrication, traditional gear hydraulic pumps often use a relatively simple lubrication method, which may not be able to accurately control the supply of lubricating fluid according to actual working conditions, resulting in insufficient or excessive lubrication, which in turn affects the service life of key components such as gears and the overall performance of the equipment. In terms of heat dissipation, the heat dissipation design of traditional gear hydraulic pumps is also relatively simple, usually relying on natural heat dissipation or simple air cooling. It is difficult to effectively dissipate the large amount of heat generated under high load and long-term operation conditions, which can easily cause the pump body temperature to be too high, which will not only reduce the performance of the hydraulic oil and affect the lubrication effect, but also may cause the components to have problems such as reduced matching accuracy, increased wear and even malfunction shutdown due to thermal expansion and other reasons. Therefore, those skilled in the art provide a new multi-gear hydraulic pump to solve the problems raised in the above background technology. Summary of the invention

[0004] The object of the present invention is to provide a novel multi-gear hydraulic pump to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A novel multi-gear hydraulic pump comprises a pump body, a lubricating mechanism, a liquid outlet pipe, an adjusting mechanism, a cavity and a liquid control mechanism. A cavity is provided inside the pump body, a screw-driven adjusting mechanism is provided inside the cavity, and a lubricating mechanism and a liquid control mechanism are provided on both sides of the adjusting mechanism of the pump body, respectively. Liquid delivery pipes are embedded on both sides of the pump body, and a fixing frame is fixedly connected to one side of the pump body, and a driving shaft is provided on one side of the fixing frame;

[0007] The adjusting mechanism includes a driving motor, a guide rod, a transmission block, a first gear seat, a gear, a second gear seat, a third gear seat, a sealing plug, a threaded rod and a knocking rod. The third gear seat is arranged on the side of the cavity close to the driving shaft, and the second gear seat is arranged on the side of the cavity close to the third gear seat. A limiting groove is provided below the second gear seat, and a limiting buckle is provided on the side of the third gear seat close to the limiting groove, and the limiting buckle and the limiting groove are matched in size.

[0008] As a further solution of the present invention: a driving motor is embedded in the cavity on a side away from the third gear seat, a threaded rod is fixedly connected to the output end of the driving motor, and the driving motor is threadedly connected to a transmission block through the threaded rod, a first gear seat is fixedly connected below the transmission block, a guide rod is slidably connected to the side of the transmission block away from the threaded rod, gears are arranged between the first gear seat, the second gear seat and the third gear seat, and the gears are meshed with each other.

[0009] As a further solution of the present invention: the lubrication mechanism includes a lubrication bin, a valve, a lubrication groove, a liquid outlet pipe, a liquid supply pump, a liquid outlet, a lubrication guide groove, a push rod, a limit block, a reset spring, a control button and a liquid inlet pipe, a lubrication bin is fixedly connected to one side of the pump body, a lubrication groove is provided inside the lubrication bin, a valve is provided on the surface of the lubrication bin, a liquid inlet pipe is embedded in the valve, a liquid outlet is provided between the lubrication bin and the cavity, a liquid outlet pipe is provided on the lubrication groove on the liquid outlet, and a liquid supply pump is provided on the side of the liquid outlet pipe away from the liquid outlet.

[0010] As a further solution of the present invention: the cavity is provided with a lubrication guide groove below the liquid outlet, the lubrication guide groove is located on one side of the first gear seat, the second gear seat and the third gear seat, and a sealing plug is provided on the surface of one side of the first gear seat, and the sealing plug cooperates with the liquid outlet.

[0011] As a further solution of the present invention: the liquid control mechanism includes a mounting rod, a connecting rod, an adjusting frame, a pressure wheel, a fixed rod and a mounting seat, the first gear seat is fixedly connected to one side of the mounting rod, and a mounting seat is provided on one side of the pump body, the mounting seat is movably connected to the adjusting frame, the adjusting frame is provided with a pressure wheel, the mounting seat is fixedly connected to the fixing rod on one side close to the pressure wheel, the adjusting frame is movably connected to the connecting rod on one side close to the mounting rod, and the adjusting frame is movably connected to the mounting rod through the connecting rod.

[0012] As a further solution of the present invention: a cooling pipe is arranged around one side of the pump body close to the mounting seat, the cooling pipe cooperates with the pressure wheel and the fixing rod, and a heat dissipation fan is arranged on one side of the pump body close to the cooling pipe.

[0013] As a further solution of the present invention: a control frame is arranged on one side of the cavity, a control button is arranged inside the control frame, and a push rod is movably connected to the control frame, a limit block is symmetrically arranged on the surface of the push rod, a return spring is sleeved on the push rod between the limit block and the control frame, and the push rod and the control button cooperate with each other;

[0014] As a further solution of the present invention: a knocking rod is fixedly connected to the upper side of the first gear seat, the knocking rod and the push rod cooperate with each other, and the control button and the liquid supply pump are electrically connected.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. When the driving motor is started, its output end will drive the threaded rod to rotate, and the transmission block is threadedly connected to the threaded rod at the output end of the driving motor. The transmission block will perform linear motion along the axial direction of the threaded rod, and the side of the transmission block away from the threaded rod is slidably connected to the guide rod. The guide rod plays a guiding and supporting role to ensure that the transmission block remains stable during the linear motion without offset or shaking, so as to move accurately in the predetermined direction. The first gear seat is fixedly connected below the transmission block. When the transmission block performs linear motion under the above-mentioned power drive, it will directly drive the first gear seat to move synchronously. Gears meshing with each other are arranged between the first gear seat, the second gear seat and the third gear seat. When the first gear seat moves, the power and motion will be transmitted to the second gear seat and the third gear seat through the gears meshing therewith, and a limiting groove is provided below the second gear seat. A limit buckle is provided on one side of the gear seat close to the limit groove, and the size of the limit buckle and the limit groove are matched with each other. The design of this limit structure further ensures that the relative position relationship between the second gear seat and the third gear seat during the movement is accurate, and prevents them from being misaligned and other abnormal situations during the working process. The overall adjustment effect is powered by the driving motor, and the first gear seat is driven to move through the threaded transmission of the threaded rod and the transmission block and the guiding effect of the guide rod. Then, with the help of the meshing transmission of the gears, the linkage adjustment of the second gear seat and the third gear seat is realized. The adjustment mechanism can adjust the position of the gear seat in real time and accurately according to these actual needs, thereby optimizing the lubrication and hydraulic control effects, reducing component wear, and improving heat dissipation efficiency, etc., and finally realizing the comprehensive optimization and regulation of the overall performance of the multi-gear hydraulic pump, ensuring that it can operate stably and efficiently under various working conditions;

[0017] 2. The lubrication bin is fixed on one side of the pump body, and the lubrication groove inside it is used to contain the lubricating liquid. The lubricating liquid can be added to the lubrication bin through the liquid inlet pipe embedded in the valve. The valve can control the liquid inlet process to ensure the normal storage and replenishment of the lubricating liquid. A liquid outlet is provided between the lubrication bin and the cavity, and the lubricating liquid in the lubrication groove can flow to the part that needs lubrication through the liquid outlet. The liquid outlet pipe is connected between the liquid outlet and the liquid supply pump. The liquid supply pump provides power for the delivery of the lubricating liquid and pumps the lubricating liquid out of the lubrication bin when needed. The control frame is arranged on one side of the cavity, and a control button is arranged inside. The push rod is movably connected to the control frame, and a reset spring is sleeved between the limit block on its surface and the control frame. Under normal conditions, the reset spring keeps the push rod in the initial position. At this time, the push rod and the control button are in a specific relative position. The knocking rod on the upper side of the first gear seat cooperates with the push rod. When the adjusting mechanism works and the first gear seat moves, the knocking rod will As the knock rod moves, when it touches the push rod, an external force will be applied to the push rod. Under the external force of the knock rod, the push rod overcomes the elastic force of the return spring and moves, thereby pushing the control button. Since the control button is electrically connected to the liquid supply pump, the liquid supply pump starts to work after the control button is triggered. After the liquid supply pump works, the lubricating liquid in the lubrication tank is pumped out through the liquid outlet pipe and the liquid outlet, wherein the lubrication guide groove is located below the liquid outlet and on the side of the first gear seat, the second gear seat and the third gear seat, providing a guide for the lubricating liquid so that it can accurately flow to the gear seats that need lubrication. At the same time, the sealing plug on the surface of one side of the first gear seat cooperates with the liquid outlet. When the sealing plug leaves the liquid outlet during the movement of the first gear seat, the lubricating liquid can flow out smoothly, and in other cases, it can prevent the lubricating liquid from leaking, timely provide lubrication for the key components of the multi-gear hydraulic pump, ensure the normal operation of the equipment, and reduce friction and wear between components;

[0018] 3. When the first gear seat in the adjusting mechanism moves under the drive of the driving motor and other components, the mounting rod fixedly connected to one side of the first gear seat will move synchronously therewith, and the movement of the mounting rod is transmitted to the adjusting frame through the connecting rod. Since the adjusting frame is movably connected with a connecting rod on the side close to the mounting rod, and the adjusting frame is movably connected to the mounting rod through the connecting rod, the linear motion of the mounting rod can be converted into the corresponding motion of the adjusting frame. This connecting rod transmission method can flexibly transmit power from the first gear seat to the adjusting frame. When the adjusting frame moves under the drive of the connecting rod, the pressure wheel arranged thereon will squeeze the cooling pipe. The position and movement trajectory of the pressure wheel are designed according to the layout of the cooling pipe and the cooling effect to be achieved. The squeezing of the wheels on the cooling pipe can change the flow cross-sectional area of ​​the coolant inside the cooling pipe, thereby changing the flow rate of the coolant, and a cooling fan is provided on the side of the pump body close to the cooling pipe. The main function of the cooling fan is to accelerate the flow rate of air around the cooling pipe by forced convection. When the coolant in the cooling pipe adjusts the flow rate under the action of the pressure wheel to take away the heat, the cooling fan works in coordination with it. The airflow blown out by the cooling fan will quickly take away the heat transferred from the surface of the cooling pipe due to the heat dissipation of the coolant, further improving the heat dissipation efficiency. The two work together to ensure that the pump body and internal components can be maintained within a suitable operating temperature range, ensure the working efficiency of the lubricant, and prevent problems such as equipment performance degradation and component damage due to overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a new type of multi-gear hydraulic pump.

[0020] Figure 2 This is a side view of the pump body of a new multi-gear hydraulic pump.

[0021] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure along the AA direction.

[0022] Figure 4 The figure is a schematic diagram of the cooperation between the first gear seat and the mounting rod in a novel multi-gear hydraulic pump.

[0023] Figure 5 It is a structural schematic diagram of a new type of multi-gear hydraulic pump central control fluid mechanism.

[0024] Figure 6 This is a schematic diagram of the coordination between the cooling pipe and the cooling fan in a new multi-gear hydraulic pump.

[0025] Figure 7 This is a schematic diagram of the structure of the lubrication mechanism in a new multi-gear hydraulic pump.

[0026] Figure 8 for Figure 7Schematic diagram of the cross-sectional structure along the BB direction.

[0027] Fig. 9 The figure is a schematic diagram of the structure of the first gear seat and the liquid outlet in a new multi-gear hydraulic pump.

[0028] Fig.10 This is a schematic diagram of the structure of the lubrication mechanism in a new multi-gear hydraulic pump.

[0029] Fig.11 for Fig.10 Schematic diagram of the locally enlarged structure of A in the middle.

[0030] In the figure: 1, pump body; 2, lubrication mechanism; 201, lubrication chamber; 202, valve; 203, lubrication groove; 204, liquid outlet pipe; 205, liquid supply pump; 206, liquid outlet; 207, lubrication guide groove; 208, ejector rod; 209, limit block; 210, return spring; 211, control button; 212, liquid inlet pipe; 213, control frame; 3, liquid delivery pipe; 4, drive shaft; 5, fixed frame; 6, adjustment mechanism; 601, drive motor; 602, Guide rod; 603, transmission block; 604, first gear seat; 605, gear; 606, second gear seat; 607, third gear seat; 608, sealing plug; 609, threaded rod; 610, knocking rod; 7, cavity; 8, liquid control mechanism; 801, mounting rod; 802, connecting rod; 803, adjustment frame; 804, pressure wheel; 805, fixing rod; 806, mounting seat; 9, cooling pipe; 10, cooling fan; 11, limiting groove; 12, limiting buckle. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example 1

[0033] Reference Figure 1-Figure 5 This embodiment provides a novel multi-gear hydraulic pump, including a pump body 1, a lubricating mechanism 2, a liquid outlet pipe 204, an adjusting mechanism 6, a cavity 7 and a liquid control mechanism 8. The pump body 1 is provided with a cavity 7, and a screw-driven adjusting mechanism 6 is provided inside the cavity 7. The pump body 1 is provided with a lubricating mechanism 2 and a liquid control mechanism 8 on both sides of the adjusting mechanism 6, respectively. Liquid delivery pipes 3 are embedded on both sides of the pump body 1, and a fixing frame 5 is fixedly connected to one side of the pump body 1, and a driving shaft 4 is provided on one side of the fixing frame 5.

[0034] In this embodiment, specifically, the adjustment mechanism 6 includes a driving motor 601, a guide rod 602, a transmission block 603, a first gear seat 604, a gear 605, a second gear 605 seat, a third gear 605 seat, a sealing plug 608, a threaded rod 609 and a knocking rod 610. A third gear 605 seat is provided on the side of the cavity 7 close to the driving shaft 4, and a second gear seat 606 is provided on the side of the cavity 7 close to the third gear seat 607. A limiting groove 11 is provided below the second gear seat 606, and a limiting buckle 12 is provided on the side of the third gear seat 607 close to the limiting groove 11, and the limiting buckle 12 and the limiting groove 11 are matched in size with each other;

[0035] A driving motor 601 is embedded in the cavity 7 on a side away from the third gear 605 seat, a threaded rod 609 is fixedly connected to the output end of the driving motor 601, and the driving motor 601 is threadedly connected to a transmission block 603 through the threaded rod 609, a first gear seat 604 is fixedly connected below the transmission block 603, a guide rod 602 is slidably connected to a side of the transmission block 603 away from the threaded rod 609, and gears 605 are arranged between the first gear seat 604, the second gear seat 606 and the third gear seat 607, and the gears 605 are meshed with each other;

[0036] When the driving motor 601 is started, its output end will drive the threaded rod 609 to rotate, and the transmission block 603 is threadedly connected to the threaded rod 609 at the output end of the driving motor 601. The transmission block 603 will perform linear motion along the axial direction of the threaded rod 609. The side of the transmission block 603 away from the threaded rod 609 is slidably connected to the guide rod 602. The guide rod 602 plays a guiding and supporting role to ensure that the transmission block 603 remains stable during the linear motion without offset or shaking, so that it moves accurately in a predetermined direction. The first gear seat 604 is fixedly connected below the transmission block 603. When the transmission block 603 performs linear motion under the above-mentioned power drive, it will directly drive the first gear seat 604 to move synchronously. Gears 605 that mesh with each other are arranged between the first gear seat 604, the second gear seat 606 and the third gear seat 607. When the first gear seat 604 moves, the power and motion will be transmitted to the second gear seat 606 and the third gear seat 607 through the gear 605 that meshes with it, and the second gear seat A limiting groove 11 is provided below 606, and a limiting buckle 12 is provided on one side of the third gear seat 607 close to the limiting groove 11, and the limiting buckle 12 and the limiting groove 11 are matched in size. The design of this limiting structure further ensures that the relative position relationship between the second gear seat 606 and the third gear seat 607 during the movement is accurate, and prevents them from being misplaced or other abnormal situations during the working process. The overall adjustment effect is powered by the driving motor 601, and the first gear seat 604 is driven to move through the threaded transmission of the threaded rod 609 and the transmission block 603 and the guiding effect of the guide rod 602. The second gear seat 606 and the third gear seat 607 are then adjusted in linkage with the meshing transmission of the gear 605. The adjustment mechanism 6 can adjust the gear seat position in real time and accurately according to these actual needs, thereby optimizing the lubrication and hydraulic control effects, reducing component wear, improving heat dissipation efficiency, etc., and finally realizing the comprehensive optimization and regulation of the overall performance of the multi-gear hydraulic pump, ensuring that it can operate stably and efficiently under various working conditions.

[0037] Example 2

[0038] Reference Figure 7-Figure 11This embodiment is based on the previous embodiment, and is different from the previous embodiment in that the lubrication mechanism 2 includes a lubrication bin 201, a valve 202, a lubrication groove 203, a liquid outlet pipe 204, a liquid supply pump 205, a liquid outlet 206, a lubrication guide groove 207, a push rod 208, a limit block 209, a reset spring 210, a control button 211 and a liquid inlet pipe 212, a lubrication bin 201 is fixedly connected to one side of the pump body 1, a lubrication bin 201 is provided with a lubrication groove 203 inside, a valve 202 is provided on the surface of the lubrication bin 201, a liquid inlet pipe 212 is embedded in the valve 202, a liquid outlet 206 is provided between the lubrication bin 201 and the cavity 7, a liquid outlet pipe 204 is provided on the lubrication groove 203, and a liquid supply pump 205 is provided on the side of the liquid outlet pipe 204 away from the liquid outlet 206;

[0039] The cavity 7 is provided with a lubrication guide groove 207 below the liquid outlet 206. The lubrication guide groove 207 is located on one side of the first gear seat 604, the second gear seat 606 and the third gear seat 607. A sealing plug 608 is provided on one side of the first gear seat 604. The sealing plug 608 cooperates with the liquid outlet 206.

[0040] A control frame 213 is provided on one side of the cavity 7, a control button 211 is provided inside the control frame 213, and a push rod 208 is movably connected to the control frame 213, and a limit block 209 is symmetrically provided on the surface of the push rod 208, a return spring 210 is sleeved on the push rod 208 between the limit block 209 and the control frame 213, and the push rod 208 and the control button 211 cooperate with each other;

[0041] A knock rod 610 is fixedly connected to the upper side of the first gear seat 604, the knock rod 610 cooperates with the top rod 208, and the control button 211 is electrically connected to the liquid supply pump 205;

[0042] The lubrication bin 201 is fixed to one side of the pump body 1, and the lubrication groove 203 inside it is used to contain lubricating liquid. The lubricating liquid can be added to the lubrication bin 201 through the liquid inlet pipe 212 embedded in the valve 202. The valve 202 can control the liquid inlet process to ensure the normal storage and replenishment of the lubricating liquid. A liquid outlet 206 is provided between the lubrication bin 201 and the cavity 7. The lubricating liquid in the lubrication groove 203 can flow to the part that needs lubrication through the liquid outlet 206. The liquid outlet pipe 204 is connected between the liquid outlet 206 and the liquid supply pump 205. The liquid supply pump 205 provides power for the transportation of the lubricating liquid. When necessary, the lubricating liquid is pumped out from the lubrication bin 201. The control frame 213 is arranged on one side of the cavity 7, and a control button 211 is arranged inside. The push rod 208 is movably connected to the control frame 213. A return spring 210 is sleeved between the limit block 209 on its surface and the control frame 213. Under normal conditions, the return spring 210 keeps the push rod 208 in the initial position. At this time, the push rod 208 and the control button 211 are in a specific relative position. The knock rod 610 on the upper side of the first gear seat 604 cooperates with the push rod 208. When the adjustment mechanism 6 works, the first gear seat 604 moves When the knock rod 610 touches the top rod 208, an external force is applied to the top rod 208. Under the external force of the knock rod 610, the top rod 208 overcomes the elastic force of the return spring 210 and moves, thereby pushing the control button 211. Since the control button 211 is electrically connected to the liquid supply pump 205, after the control button 211 is triggered, the liquid supply pump 205 starts to work. After the liquid supply pump 205 works, the lubricating liquid in the lubrication bin 201 is pumped out through the liquid outlet pipe 204 and the liquid outlet 206, wherein the lubricating guide groove 207 is located at the liquid outlet 206. Below and on one side of the first gear seat 604, the second gear seat 606 and the third gear seat 607, a guide is provided for the lubricating liquid so that it can accurately flow to the gear seats that need lubrication. At the same time, the sealing plug 608 on the surface of one side of the first gear seat 604 cooperates with the liquid outlet 206. When the sealing plug 608 leaves the liquid outlet 206 during the movement of the first gear seat 604, the lubricating liquid can flow out smoothly, and in other cases, the lubricating liquid can be prevented from leaking, thereby providing lubrication for the key components of the multi-gear hydraulic pump in a timely manner, ensuring the normal operation of the equipment, and reducing friction and wear between components.

[0043] Example 3

[0044] Reference Figure 4-Figure 6, this embodiment is based on the previous embodiment, and is different from the previous embodiment in that the liquid control mechanism 8 includes a mounting rod 801, a connecting rod 802, an adjusting frame 803, a pressure wheel 804, a fixed rod 805 and a mounting seat 806, one side of the first gear seat 604 is fixedly connected with the mounting rod 801, and one side of the pump body 1 is provided with a mounting seat 806, the mounting seat 806 is movably connected with the adjusting frame 803, the adjusting frame 803 is provided with a pressure wheel 804, the mounting seat 806 is fixedly connected with a fixed rod 805 on one side close to the pressure wheel 804, the adjusting frame 803 is movably connected with a connecting rod 802 on one side close to the mounting rod 801, and the adjusting frame 803 is movably connected with the mounting rod 801 through the connecting rod 802;

[0045] A cooling pipe 9 is arranged around one side of the pump body 1 close to the mounting seat 806, and the cooling pipe 9 cooperates with the pressing wheel 804 and the fixing rod 805, and a cooling fan 10 is arranged on one side of the pump body 1 close to the cooling pipe 9;

[0046] When the first gear seat 604 in the adjustment mechanism 6 moves under the drive of the driving motor 601 and other components, the mounting rod 801 fixedly connected to one side of the first gear seat 604 will move synchronously therewith, and the movement of the mounting rod 801 is transmitted to the adjustment frame 803 through the connecting rod 802. Since the side of the adjustment frame 803 close to the mounting rod 801 is movably connected with the connecting rod 802, and the adjustment frame 803 is movably connected to the mounting rod 801 through the connecting rod 802, the linear movement of the mounting rod 801 can be converted into the corresponding movement of the adjustment frame 803. This connecting rod transmission method can flexibly transmit power from the first gear seat 604 to the adjustment frame 803.

[0047] When the adjusting frame 803 moves driven by the connecting rod 802, the pressure wheel 804 arranged thereon will squeeze the cooling pipe 9. The position and movement trajectory of the pressure wheel 804 are designed according to the layout of the cooling pipe 9 and the cooling effect to be achieved. The pressure wheel 804 squeezes the cooling pipe 9, so that the flow cross-sectional area of ​​the coolant in the cooling pipe 9 can be changed, thereby changing the flow rate of the coolant. A cooling fan 10 is arranged on the side of the pump body 1 close to the cooling pipe 9. The main function of the cooling fan 10 is to accelerate the flow rate of air around the cooling pipe 9 by forced convection. When the coolant in the cooling pipe 9 adjusts its flow rate under the action of the pressure wheel 804 to take away heat, the cooling fan 10 works in coordination with it. The airflow blown out by the cooling fan 10 will quickly take away the heat transferred from the surface of the cooling pipe 9 due to the heat dissipation of the coolant, thereby further improving the heat dissipation efficiency. The two work together to ensure that the pump body and internal components can be maintained within a suitable operating temperature range, ensure the working efficiency of the lubricant, and prevent problems such as equipment performance degradation and component damage due to overheating.

[0048] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0049] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A new type of multi-gear hydraulic pump, characterized in that: The pump comprises a pump body (1), a lubricating mechanism (2), a liquid outlet pipe (204), an adjusting mechanism (6), a cavity (7) and a liquid control mechanism (8); the pump body (1) has a cavity (7) inside, a screw-driven adjusting mechanism (6) is arranged inside the cavity (7), the pump body (1) is provided with a lubricating mechanism (2) and a liquid control mechanism (8) on both sides of the adjusting mechanism (6), liquid delivery pipes (3) are embedded on both sides of the pump body (1), a fixing frame (5) is fixedly connected to one side of the pump body (1), and a driving shaft (4) is arranged on one side of the fixing frame (5); The adjusting mechanism (6) comprises a driving motor (601), a guide rod (602), a transmission block (603), a first gear seat (604), a gear (605), a second gear seat (605), a third gear seat (605), a sealing plug (608), a threaded rod (609) and a knocking rod (610); a third gear seat (605) is arranged on a side of the cavity (7) close to the driving shaft (4); a second gear seat (606) is arranged on a side of the cavity (7) close to the third gear seat (607); a limiting groove (11) is arranged below the second gear seat (606); a limiting buckle (12) is arranged on a side of the third gear seat (607) close to the limiting groove (11); and the limiting buckle (12) and the limiting groove (11) are matched in size.

2. A novel multi-gear hydraulic pump according to claim 1, characterized in that: A driving motor (601) is embedded in the cavity (7) at a side away from the third gear (605) seat, and the output end of the driving motor (601) is fixedly connected to a threaded rod (609), and the driving motor (601) is threadedly connected to a transmission block (603) through the threaded rod (609), and a first gear seat (604) is fixedly connected below the transmission block (603), and a guide rod (602) is slidably connected to a side of the transmission block (603) away from the threaded rod (609), and gears (605) are arranged between the first gear seat (604), the second gear seat (606) and the third gear seat (607), and the gears (605) are meshed with each other.

3. A novel multi-gear hydraulic pump according to claim 1, characterized in that: The lubrication mechanism (2) comprises a lubrication bin (201), a valve (202), a lubrication groove (203), a liquid outlet pipe (204), a liquid supply pump (205), a liquid outlet (206), a lubrication guide groove (207), a push rod (208), a limit block (209), a return spring (210), a control button (211) and a liquid inlet pipe (212); one side of the pump body (1) is fixedly connected to the lubrication bin (201); and the lubrication bin (203) is connected to the lubrication bin (204). 1) A lubrication groove (203) is provided inside, a valve (202) is provided on the surface of the lubrication bin (201), a liquid inlet pipe (212) is embedded in the valve (202), a liquid outlet (206) is provided between the lubrication bin (201) and the cavity (7), a liquid outlet pipe (204) is provided on the liquid outlet (206) of the lubrication groove (203), and a liquid supply pump (205) is provided on the side of the liquid outlet pipe (204) away from the liquid outlet (206).

4. A novel multi-gear hydraulic pump according to claim 3, characterized in that: The cavity (7) is provided with a lubrication guide groove (207) below the liquid outlet (206); the lubrication guide groove (207) is located on one side of the first gear seat (604), the second gear seat (606) and the third gear seat (607); and a sealing plug (608) is provided on the surface of one side of the first gear seat (604); the sealing plug (608) and the liquid outlet (206) cooperate with each other.

5. A novel multi-gear hydraulic pump according to claim 1, characterized in that: The liquid control mechanism (8) comprises a mounting rod (801), a connecting rod (802), an adjusting frame (803), a pressure wheel (804), a fixed rod (805) and a mounting seat (806); one side of the first gear seat (604) is fixedly connected to the mounting rod (801); one side of the pump body (1) is provided with a mounting seat (806); the mounting seat (806) is movably connected to the adjusting frame (803); the pressure wheel (804) is provided on the adjusting frame (803); a side of the mounting seat (806) close to the pressure wheel (804) is fixedly connected to the fixed rod (805); a side of the adjusting frame (803) close to the mounting rod (801) is movably connected to the connecting rod (802); and the adjusting frame (803) is movably connected to the mounting rod (801) via the connecting rod (802).

6. A novel multi-gear hydraulic pump according to claim (5), characterized in that: A cooling pipe (9) is arranged around one side of the pump body (1) close to the mounting seat (806); the cooling pipe (9) cooperates with the pressure wheel (804) and the fixing rod (805); and a heat dissipation fan (10) is arranged on one side of the pump body (1) close to the cooling pipe (9).

7. A novel multi-gear hydraulic pump according to claim 3, characterized in that: A control frame (213) is arranged on one side of the cavity (7), a control button (211) is arranged inside the control frame (213), and a push rod (208) is movably connected to the control frame (213), a limit block (209) is symmetrically arranged on the surface of the push rod (208), a return spring (210) is sleeved on the push rod (208) between the limit block (209) and the control frame (213), and the push rod (208) and the control button (211) cooperate with each other.

8. A novel multi-gear hydraulic pump according to claim 7, characterized in that: A knock rod (610) is fixedly connected to the upper side of the first gear seat (604), the knock rod (610) and the push rod (208) cooperate with each other, and the control button (211) and the liquid supply pump (205) are electrically connected.

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