Hydraulic pump device

Abstract

The utility model provides a hydraulic pump device which comprises a hydraulic pump and an internal combustion engine, the internal combustion engine is connected with the input end of the hydraulic pump so as to drive the hydraulic pump to pump high-pressure oil, and the internal combustion engine is provided with an accelerator push rod; the electromagnetic driving assembly comprises a first driving rod, a second driving rod and a rotating rod, the first driving rod has a first stroke in the first direction under the action of electromagnetic force, and a part of area of the rotating rod is connected with the first driving rod; the rotating rod can rotate by a certain angle around the rotating axis of the rotating rod under the action of the first driving rod, the second driving rod is connected with the rotating shaft and forms an included angle with the first driving rod, one end of the second driving rod is connected with the accelerator push rod, and the other end of the second driving rod is connected with the accelerator push rod. The push rod is used for pushing the accelerator push rod to adjust the output power of the internal combustion engine.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical installation tools, in particular to a hydraulic pump device. Background Art

[0002] At present, in electrical installation tools, such as when crimping or cutting, a relatively high driving force is usually required, and a hydraulic pump is a commonly used tool to provide a relatively high driving force. However, how to control the hydraulic pump to output a constant driving force is crucial in the crimping or cutting process. There are various control methods, and the existing adjustment methods usually set a proportional valve or other complex mechanisms connected to the hydraulic pump for adjustment. Content of the Utility Model

[0003] The purpose of the utility model is to provide a hydraulic pump device to solve the technical problem of how to control the hydraulic pump to output a constant driving force. The many technical effects that can be produced by the preferred technical solutions provided by the utility model are described in detail below.

[0004] To achieve the above purpose, the utility model provides a hydraulic pump device, which includes:

[0005] A hydraulic pump and an internal combustion engine, the internal combustion engine is connected to the input end of the hydraulic pump to drive the hydraulic pump to pump high-pressure oil, and the internal combustion engine is provided with a throttle push rod;

[0006] An electromagnetic drive assembly, the electromagnetic drive assembly includes a first drive rod, a second drive rod and a rotating rod. The first drive rod has a first stroke in a first direction under the action of electromagnetic force. A part of the rotating rod is connected to the first drive rod, and under the action of the first drive rod, the rotating rod can rotate a certain angle around its rotation axis.

[0007] The second drive rod is connected to the rotating shaft and is arranged at an angle with the first drive rod. One end of the second drive rod is connected to the throttle push rod for pushing the throttle push rod to adjust the output power of the internal combustion engine.

[0008] The hydraulic pump device of the utility model can control the output power of the power source through the electromagnetic drive assembly, and further can control the pumping pressure of the hydraulic pump connected to the power source, so as to ensure that the hydraulic pump has a good output pressure.

[0009] In an embodiment of the utility model, a part of the rod section of the rotating rod is bent to form the second drive rod.

[0010] In an embodiment of the present utility model, the hydraulic pump device further includes a transmission assembly. One end of the transmission assembly is provided with a clamping structure, the clamping structure is provided with a plurality of clamping positions, and any one of the clamping positions can clamp the rotating rod. A partial area of the transmission assembly away from the clamping structure abuts against one end of the first driving rod.

[0011] In an embodiment of the present utility model, the hydraulic pump device further includes an adjusting assembly. The adjusting assembly is arranged at one end of the first driving rod, and the first driving rod and the transmission assembly are connected through the adjusting assembly to adjust the connection position between the first driving rod and the rotating rod.

[0012] In an embodiment of the present utility model, the length of the adjusting assembly along the axis direction of the first driving rod is adjustable.

[0013] In an embodiment of the present utility model, the adjusting assembly is arranged at one end of the first driving rod, and the connection position between the adjusting assembly and the transmission assembly is adjustable.

[0014] In an embodiment of the present utility model, the hydraulic pump device further includes a reset assembly. The reset assembly is connected to the rotating rod and is used to drive the rotating rod to rotate, and the rotation direction is opposite to the rotation direction of the rotating rod under the action of the first driving rod.

[0015] In an embodiment of the present utility model, the hydraulic pump device further includes a first housing. An accommodating cavity is arranged in the first housing, and the solenoid valve of the electromagnetic driving assembly is arranged in the accommodating cavity;

[0016] Wherein, a through hole is arranged on the first housing, and one end of the first driving rod passes through the through hole and is connected to the solenoid valve.

[0017] In an embodiment of the present utility model, the hydraulic pump device further includes a protective member. The protective member includes a bottom plate and side plates. The side plates are arranged along the vertical direction at the edge area of the bottom plate. The first housing is arranged on the bottom plate, and the rotating rod is rotatably arranged on the bottom plate.

[0018] In an embodiment of the present utility model, the hydraulic pump device further includes a controller. The controller is electrically connected to the electromagnetic driving assembly;

[0019] When the controller sends a signal to the electromagnetic driving assembly and the electromagnetic driving assembly is powered on, the internal combustion engine outputs high power and the hydraulic pump outputs high-pressure oil;

[0020] When the controller sends a signal to the electromagnetic driving assembly and the electromagnetic driving assembly is powered off, the internal combustion engine idles. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a schematic structural diagram of a hydraulic pump device according to an embodiment of the present invention;

[0023] Figure 2 It is a schematic structural diagram of an electromagnetic drive assembly according to an embodiment of the present invention;

[0024] Figure 3 It is an exploded view of an electromagnetic drive assembly according to an embodiment of the present invention;

[0025] Figure 4 It is an installation schematic diagram of an adjustment assembly and a transmission assembly of an electromagnetic drive assembly according to an embodiment of the present invention.

[0026] Description of the Reference Numerals:

[0027] 100, hydraulic pump device;

[0028] 110, hydraulic pump;

[0029] 120, internal combustion engine;

[0030] 130, electromagnetic drive assembly; 131, first drive rod; 132, second drive rod; 133, rotating rod;

[0031] 140, transmission assembly; 141 clamping structure;

[0032] 150, adjustment assembly;

[0033] 160, first housing;

[0034] 170, protective member; 171, bottom plate; 172, side plate;

[0035] A, first direction. Detailed Embodiments

[0036] To make the objectives, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. All other implementation manners obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts fall within the scope protected by the present utility model.

[0037] In the description of the present utility model, it should be noted that unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0039] The hydraulic pump device of the present utility model will be described in detail below with reference to the drawings. It should be noted that the drawings and embodiments are only used to explain the hydraulic pump device of the present utility model and cannot be understood as a limitation to the present utility model.

[0040] Combined with Figures 1 to 4 , refer to the following different embodiments of the present utility model.

[0041] The present utility model provides a hydraulic pump device. In one embodiment, the hydraulic pump device includes:

[0042] A hydraulic pump 110 and an internal combustion engine 120. The internal combustion engine 120 is connected to the input end of the hydraulic pump 110 to drive the hydraulic pump 110 to pump high-pressure oil. The internal combustion engine 120 is provided with a throttle push rod;

[0043] The electromagnetic drive assembly 130 includes a first drive rod 131, a second drive rod 132, and a rotating rod 133. The first drive rod 131 has a first stroke in the first direction A under the action of electromagnetic force. A partial area of the rotating rod 133 is connected to the first drive rod 131. Under the action of the first drive rod 131, the rotating rod 133 can rotate a certain angle around its rotation axis. The second drive rod 132 is connected to the rotating shaft and is arranged at an angle with the first drive rod 131. One end of the second drive rod 132 is connected to the throttle push rod for pushing the throttle push rod to adjust the output power of the internal combustion engine 120.

[0044] In the hydraulic pump device of this embodiment, the power output state of the internal combustion engine 120 is controlled by the electromagnetic drive assembly 130. The electromagnetic drive assembly 130 has two states. Under the power-off condition, the internal combustion engine 120 idles at a low speed and outputs a small amount of power. Under the power-on condition, the second drive rod 132 of the electromagnetic drive assembly 130 drives the throttle push rod of the internal combustion engine 120. The internal combustion engine 120 is in a high-speed state and outputs a large amount of power, so as to be able to drive the hydraulic pump 110 to pump high-pressure oil. The operator controls the working state of the hydraulic pump device 100 by controlling the electromagnetic drive assembly 130.

[0045] Among them, the first drive rod 131, the second drive rod 132, and the rotating rod 133 in the electromagnetic drive assembly 130 serve as the transmission assembly 140 to realize the control of the throttle push rod of the internal combustion engine 120.

[0046] For the hydraulic pump device 100 of the present invention, the purpose of setting the electromagnetic drive assembly 130 is also that the throttle push rod of the internal combustion engine 120 is in a narrow space. One end of the second drive rod 132 can extend to the throttle push rod and drive the throttle push rod to swing through rotational movement, thereby controlling the power output of the internal combustion engine 120. Thus, the hydraulic pump 110 in the hydraulic pump device 100 can pump hydraulic oil of different pressures. Specifically, by adjusting the different installation structures of the electromagnetic drive assembly 130, the output power of the internal combustion engine 120 is controlled, and then the hydraulic pump 110 outputs hydraulic oil of different pressures.

[0047] In an embodiment of the present invention, a partial rod section of the rotating rod 133 is bent to form the second drive rod 132. In the hydraulic pump device of this embodiment, the rotating rod 133 and the second drive rod 132 are of an integral structure, which improves their connection strength and avoids the problem of control failure caused by mechanical connection loosening.

[0048] In an embodiment of the present utility model, the hydraulic pump device 100 further includes a transmission assembly 140. One end of the transmission assembly 140 is provided with a clamping structure 141, the clamping structure 141 clamps the rotating rod 133, and a partial area of the transmission assembly 140 away from the clamping structure 141 abuts against one end of the first driving rod 131.

[0049] In the hydraulic pump device of this embodiment, by providing the transmission assembly 140, the length of the force arm between the first driving rod 131 and the rotating rod 133 can be adjusted. Specifically, a clamping structure 141 can be provided at one section of the transmission assembly 140. By providing multiple clamping positions in the clamping structure 141, when the clamping structure 141 is connected to the rotating rod 133 at different clamping positions, the force arms between the first driving rod 131 and the rotating rod 133 are different, so that the strokes of the throttle push rod of the internal combustion engine 120 driven by the second driving rod 132 are different; in addition, the clamping structure 141 can also clamp at different positions of the rotating rod 133, and the operator can adjust it again during the assembly process according to the actual installation requirements.

[0050] In an embodiment of the present utility model, the hydraulic pump device 100 further includes an adjustment assembly 150. The adjustment assembly 150 is provided at one end of the first driving rod 131, and the first driving rod 131 is connected to the transmission assembly 140 through the adjustment assembly 150 to adjust the connection position between the first driving rod 131 and the rotating rod 133.

[0051] In the hydraulic pump device of this embodiment, by providing the adjustment assembly 150, the adjustment of the connection position between the first driving rod 131 and the rotating rod 133 is realized. Through the adjustment assembly 150, the driving torque of the second driving rod 132 on the throttle push rod can be adjusted, so that the internal combustion engine 120 can output different powers and control the hydraulic pump 110 to output hydraulic oil with different pressures.

[0052] In an embodiment of the present utility model, the length of the adjustment assembly 150 along the axial direction of the first driving rod 131 is adjustable. In the hydraulic pump device of this embodiment, the adjustment assembly 150 controls the rotation angle of the first driving rod 131 by adjusting the length of the first driving rod 131, and further controls the driving torque applied by the second driving rod 132 to the throttle push rod.

[0053] When the extension length of the electromagnetic drive assembly 130 is fixed under the energized condition, the rotation angle of the rotating rod 133 can be controlled through the adjustment assembly 150, and further the swing angle of the second driving rod 132 can be controlled. The throttle push rod connected to the second driving rod 132 has different strokes, and finally the output power of the internal combustion engine 120 is controlled.

[0054] In an embodiment of the present utility model, the adjusting assembly 150 is provided at one end of the first driving rod 131, and the connection position between the adjusting assembly 150 and the transmission assembly 140 is adjustable. In the hydraulic pump device of this embodiment, multiple connection positions are provided between the adjusting assembly 150 and the transmission assembly 140, and the distances of the multiple connection positions from the rotation axis of the rotating rod 133 are different. Therefore, when the adjusting assembly 150 drives the transmission assembly 140 at different positions, different magnitudes of driving torque can be formed on the second driving rod 132, and thus the rotation angles of the throttle push rod are different.

[0055] When the position where the adjusting assembly 150 drives the transmission assembly 140 is closer to the rotation axis of the rotating rod 133, the rotation angles of the rotating rod 133 and the second driving rod 132 are larger, the stroke of driving the throttle push rod is larger, and the output power of the engine is larger.

[0056] When the position where the adjusting assembly 150 drives the transmission assembly 140 is farther from the rotation axis of the rotating rod 133, the rotation angles of the rotating rod 133 and the second driving rod 132 are smaller, the stroke of driving the throttle push rod is smaller, and the output power of the engine is smaller.

[0057] In an embodiment of the present utility model, the hydraulic pump device 100 further includes a reset assembly, and the reset assembly is connected to the rotating rod 133 and is used to drive the rotating rod 133 to rotate in the opposite direction to return to the initial position. In the hydraulic pump device of this embodiment, the reset assembly is used to drive the rotating rod 133 to rotate, and the rotation direction is opposite to the rotation direction of the rotating rod 133 under the action of the first driving rod 131. Under the action of the reset assembly, the second driving rod 132 can return to the initial position in time, and the throttle push rod can return to the initial position, reducing the long-term operation of the internal combustion engine 120 under high-power conditions.

[0058] In an embodiment of the present utility model, the hydraulic pump device 100 further includes a first housing 160, and an accommodating cavity is provided in the first housing 160; wherein, a through hole is provided on the first housing 160, and one end of the first driving rod 131 passes through the through hole and is connected to the solenoid valve.

[0059] In the hydraulic pump device of this embodiment, the solenoid valve part of the electromagnetic driving assembly 130 is arranged in the accommodating cavity of the first housing 160, which can reduce the damage and interference of the external environment to the solenoid valve and play a protective role.

[0060] In an embodiment of the present utility model, the hydraulic pump device 100 further includes a protective member 170, the protective member 170 includes a bottom plate 171 and a side plate 172, the side plate 172 is arranged along the vertical direction at the edge area of the bottom plate 171, the first housing 160 is arranged on the bottom plate 171, and the rotating rod 133 is rotatably arranged on the bottom plate 171.

[0061] In the hydraulic pump device of this embodiment, by providing the protective member 170, it can resist external impacts, prevent external interference from affecting the transmission of the electromagnetic drive assembly 130, and protect the hydraulic pump device 100 to output power at a constant rate. In particular, when the hydraulic pump device 100 of the present utility model is under construction operation, various tools are staggered in the same work area. Setting the protective member 170 can block most of the external impacts and protect the transmission components 140, adjustment components 150, as well as the first drive rod 131, rotating rod 133, and second drive rod 132 inside to transmit orderly.

[0062] In an embodiment of the present utility model, the hydraulic pump device 100 further includes a controller, and the controller is electrically connected to the electromagnetic drive assembly 130;

[0063] When the controller sends a signal to the electromagnetic drive assembly 130 and the electromagnetic drive assembly 130 is powered on, the internal combustion engine 120 outputs high power, and the hydraulic pump 110 outputs high-pressure oil;

[0064] When the controller sends a signal to the electromagnetic drive assembly 130 and the electromagnetic drive assembly 130 is powered off, the internal combustion engine 120 idles.

[0065] In the hydraulic pump device of this embodiment, an operator can control the electromagnetic drive assembly 130 to be powered on or off through the controller, and further control whether the internal combustion engine 120 is in a high-speed state or an idle state.

[0066] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A hydraulic pump device, characterized in that: The hydraulic pump device comprises: A hydraulic pump and an internal combustion engine, wherein the internal combustion engine is connected to an input end of the hydraulic pump to drive the hydraulic pump to pump high-pressure oil, and the internal combustion engine is provided with a throttle push rod; An electromagnetic drive assembly, the electromagnetic drive assembly comprising a first drive rod, a second drive rod and a rotating rod, the first drive rod having a first stroke in a first direction under the action of an electromagnetic force, a partial area of ​​the rotating rod being connected to the first drive rod, and the rotating rod being able to rotate around its rotation axis by a certain angle under the action of the first drive rod, The second driving rod is connected to the rotating shaft and is arranged at an angle with the first driving rod. One end of the second driving rod is connected to the throttle push rod and is used to push the throttle push rod to adjust the output power of the internal combustion engine.

2. The hydraulic pump device according to claim 1, characterized in that: A partial rod section of the rotating rod is bent to form the second driving rod.

3. The hydraulic pump device according to claim 2, characterized in that: The hydraulic pump device also includes a transmission component, one end of which is provided with a clamping structure, the clamping structure is provided with a plurality of clamping positions, and any of the clamping positions can clamp the rotating rod, and a partial area of ​​the transmission component away from the clamping structure abuts against one end of the first driving rod.

4. The hydraulic pump device according to claim 3, characterized in that: The hydraulic pump device further comprises an adjusting component, which is arranged at one end of the first driving rod. The first driving rod and the transmission assembly are connected via the adjusting component to adjust the connection position between the first driving rod and the rotating rod.

5. The hydraulic pump device according to claim 4, characterized in that: The length of the adjustment assembly along the axial direction of the first driving rod is adjustable.

6. The hydraulic pump device according to claim 4, characterized in that: The adjusting component is arranged at one end of the first driving rod, and the connection position between the adjusting component and the transmission component is adjustable.

7. The hydraulic pump device according to claim 1, characterized in that: The hydraulic pump device further comprises a reset assembly, which is connected to the rotating rod and is used to drive the rotating rod to rotate in a direction opposite to the rotation direction of the rotating rod under the action of the first driving rod.

8. The hydraulic pump device according to any one of claims 1 to 7, characterized in that: The hydraulic pump device further comprises a first housing, wherein a receiving chamber is provided in the first housing, and the solenoid valve of the solenoid drive assembly is provided in the receiving chamber; Wherein, a through hole is provided on the first shell, and one end of the first driving rod passes through the through hole and is connected to the solenoid valve.

9. The hydraulic pump device according to claim 8, characterized in that: The hydraulic pump device further comprises a protective member, which comprises a bottom plate and a side plate, wherein the side plate is arranged at an edge area of ​​the bottom plate in a vertical direction, the first shell is arranged at the bottom plate, and the rotating rod is rotatably arranged at the bottom plate.

10. The hydraulic pump device according to any one of claims 1 to 7, characterized in that: The hydraulic pump device further comprises a controller, wherein the controller is electrically connected to the electromagnetic drive assembly; When the controller sends a signal to the electromagnetic drive assembly and the electromagnetic drive assembly is powered on, the internal combustion engine outputs high power and the hydraulic pump outputs high-pressure oil; When the controller sends a signal to the electromagnetic drive assembly and the electromagnetic drive assembly is powered off, the internal combustion engine idles.

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