Hydraulic pump structure with filtering function

Abstract

The hydraulic pump structure with the filtering function comprises a hydraulic pump body, the liquid inlet end of the hydraulic pump body is communicated with a liquid inlet pipe, the side wall of the liquid inlet pipe is provided with an intercepting mechanism used for intercepting impurities in hydraulic oil, and the intercepting mechanism comprises a transfer cylinder fixedly connected to the side wall of the liquid inlet pipe. A barrel cover is in threaded connection with the transfer barrel, a slag discharging pipe communicated with the interior of the transfer barrel is arranged on the transfer barrel, and valves are arranged on the slag discharging pipe and the liquid inlet pipe. The hydraulic pump is provided with the intercepting mechanism, so that the hydraulic pump has a filtering function, the connecting process of the hydraulic pump and a hydraulic system pipeline becomes easy, the technical difficulty and the time cost in the installation process are reduced, impurities can be conveniently discharged, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic pump technical field especially relates to a hydraulic pump structure with filtering function. BACKGROUND

[0002] Hydraulic pump is a kind of power element that converts mechanical energy into hydraulic energy. It changes the sealed volume by rotating or reciprocating motion, thereby realizing the process of oil suction and oil compression. Hydraulic pump can provide hydraulic oil with certain pressure and flow for hydraulic system to drive hydraulic actuator to work, and is widely used in engineering machinery, aerospace, metallurgy and many other fields.

[0003] In the design of traditional hydraulic pump, many pumps do not have filter device, because the early hydraulic system is relatively simple, and the requirement for hydraulic oil cleanliness is not as high as now, and in order to reduce cost and simplify structure, the hydraulic pump is not equipped with filter structure, and can only be connected with other filter, on the one hand, the connection process of hydraulic pump and hydraulic system pipeline becomes complicated, which increases the technical difficulty and time cost in installation process, on the other hand, when selecting the filter with the same caliber as the hydraulic pump, a lot of effort is needed to find the suitable specification and model, which greatly increases the difficulty of selection and resource investment, in order to solve the above problems, the hydraulic pump structure with filtering function is provided. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide a kind of hydraulic pump structure with filtering function, which can effectively solve the problems in the background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of hydraulic pump structure with filtering function, including hydraulic pump body, the liquid inlet end of the hydraulic pump body is connected with inlet pipe, the side wall of the inlet pipe is provided with intercepting mechanism for intercepting impurities in hydraulic oil, the intercepting mechanism includes transfer cylinder fixedly connected to the side wall of inlet pipe, the transfer cylinder is threadedly connected with cylinder cover, the transfer cylinder is provided with deslagging pipe communicated with its inside, the deslagging pipe and inlet pipe are both provided with valve, the cylinder cover is connected with connecting pipe, the side wall of the deslagging pipe is fixedly connected with mounting ring, the deslagging pipe is provided with mesh filter cartridge, the inner top of the cylinder cover is provided with sealing ring, the lower end of the transfer cylinder is fixedly connected with a plurality of supporting legs, the transfer cylinder is provided with flow stabilizing mechanism for stabilizing hydraulic oil.

[0007] Preferably, the flow stabilizing mechanism includes a plurality of baffle plates fixedly connected to the inner wall of the transfer cylinder, and the baffle plates are arranged at equal intervals.

[0008] Preferably, the lower end of the deslagging pipe is connected with deslagging pipe, and the deslagging pipe is provided with sealing cover.

[0009] Preferably, the plurality of support leg side walls are collectively provided with a connecting disc, and a plurality of threaded holes are formed in the upper end of the connecting disc.

[0010] Preferably, the deslagging pipe side wall is fixedly connected with a mounting ring, and the mounting ring is threadedly connected with the mesh filter cartridge.

[0011] Preferably, two mounting grooves are formed in the upper end of the cartridge cover, and an observation plate is arranged in the mounting grooves.

[0012] Compared with the prior art, the hydraulic pump structure with the filtering function has the following beneficial effects:

[0013] 1. The interception mechanism is arranged, so that the hydraulic pump has a filtering function, the connection process of the hydraulic pump and the hydraulic system pipeline is facilitated, the technical difficulty and the time cost in the installation process are reduced, the impurities can be conveniently discharged, and therefore the practicality of the device is improved.

[0014] 2. The flow stabilizing mechanism is arranged, so that the liquid can enter the pump body stably, the bubbles caused by the cavitation phenomenon are avoided, damage to the impeller and other components of the pump is avoided, and the purpose of protecting the hydraulic pump is achieved.

[0015] 3. The connecting disc is arranged, so that the transfer cylinder is prevented from being vibrated by the hydraulic pump body, and the noise in the working process of the equipment is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 FIG. 1 is a structural schematic view of the hydraulic pump structure with the filtering function according to the present application;

[0017] Fig. 2 FIG. 2 is a side view of the hydraulic pump structure with the filtering function according to the present application;

[0018] Fig. 3 FIG. 3 is another side view of the hydraulic pump structure with the filtering function according to the present application.

[0019] In the drawing: 1, hydraulic pump body; 2, transfer cylinder; 3, liquid inlet pipe; 4, mesh filter cartridge; 5, cartridge cover; 6, connecting pipe; 7, sealing ring; 8, support leg; 9, deslagging pipe; 10, mounting ring; 11, connecting disc; 12, deslag guide pipe; 13, baffle plate; 14, observation plate; 15, sealing cover. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in combination with specific embodiments.

[0021] For example, Figs. 1-3As shown, a hydraulic pump structure with filtering function, including hydraulic pump body 1, the liquid inlet end of hydraulic pump body 1 is communicated with liquid inlet pipe 3, the side wall of liquid inlet pipe 3 is provided with intercepting mechanism for intercepting impurities in hydraulic oil, the intercepting mechanism includes transfer drum 2 fixedly connected to the side wall of liquid inlet pipe 3, the transfer drum 2 is threadedly connected with drum cover 5, the transfer drum 2 is provided with deslagging pipe 9 communicated with its inside, the deslagging pipe 9 and liquid inlet pipe 3 are both provided with valves, the drum cover 5 is provided with connecting pipe 6 communicated, the side wall of deslagging pipe 9 is fixedly connected with mounting ring 10, the deslagging pipe 9 is provided with mesh filter cartridge 4, the inner top of drum cover 5 is provided with sealing ring 7, the inner top of drum cover 5 is also provided with sealing washer, the sealing washer has been shown in the figure, the lower end of transfer drum 2 is fixedly connected with a plurality of supporting legs 8.

[0022] The transfer drum 2 is provided with flow stabilizing mechanism for stabilizing hydraulic oil, the flow stabilizing mechanism includes a plurality of baffle plates 13 fixedly connected to the inner wall of transfer drum 2, and the plurality of baffle plates 13 are arranged at equal intervals.

[0023] In the utility model, the lower end of deslagging pipe 9 is communicated with deslagging guide pipe 12, the deslagging guide pipe 12 is provided with sealing cover 15, and the deslagging guide pipe 12 is inclined, so that waste slag can be conveniently discharged without using a container to catch waste slag below the transfer drum 2.

[0024] In the utility model, the side wall of the plurality of supporting legs 8 is commonly provided with connecting disc 11, a plurality of threaded holes are formed in the upper end of connecting disc 11, so that the transfer drum 2 can be connected to the surface of the hydraulic station in a limited manner to avoid vibration of the transfer drum 2 caused by vibration of the hydraulic pump body 1 during operation, thereby generating noise.

[0025] In the utility model, the side wall of deslagging pipe 9 is fixedly connected with mounting ring 10, and the mounting ring 10 is threadedly connected with mesh filter cartridge 4, so that the mesh filter cartridge 4 can be taken off from the deslagging pipe 9, the mesh filter cartridge 4 can be conveniently replaced when it is seriously blocked, and the mesh filter cartridge 4 can also be conveniently cleaned.

[0026] In the utility model, two mounting grooves are formed in the upper end of drum cover 5, and observation plate 14 is arranged in the mounting grooves, so that the accumulation of impurities in the mesh filter cartridge 4 can be conveniently observed.

[0027] It should be noted that the utility model is a hydraulic pump structure with filtering function, the liquid outlet end of the hydraulic pump body 1 and the connecting pipe 6 are connected to the hydraulic oil circulating pipeline, when the hydraulic pump body 1 works, hydraulic oil enters the transfer drum 2, the hydraulic oil first enters the mesh filter cartridge 4, impurities in the hydraulic oil are intercepted by the mesh filter cartridge 4 and remain in the mesh filter cartridge 4, and the hydraulic oil is sucked away by the hydraulic pump body 1 through the mesh holes, after the hydraulic pump body 1 works for a long time, the valve on the deslagging pipe 9 can be opened, and external containers are used to catch waste oil below the deslagging guide pipe 12, so that the hydraulic oil can be filtered and the impurities can be conveniently discharged.

[0028] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A hydraulic pump structure having a filtering function, comprising a hydraulic pump body (1), characterized by, The hydraulic pump body (1) inlet end is communicated with an inlet pipe (3), the side wall of the inlet pipe (3) is provided with an intercepting mechanism for intercepting impurities in the hydraulic oil, the intercepting mechanism comprises a transfer cylinder (2) fixedly connected to the side wall of the inlet pipe (3), a cylinder cover (5) threadedly connected to the transfer cylinder (2), a deslagging pipe (9) in communication with the inside of the transfer cylinder (2), the deslagging pipe (9) and the inlet pipe (3) are both provided with valves, the cylinder cover (5) is provided with a connecting pipe (6) in communication, the side wall of the deslagging pipe (9) is fixedly connected with a mounting ring (10), the deslagging pipe (9) is provided with a mesh filter cartridge (4), the inside top of the cylinder cover (5) is provided with a sealing ring (7), the lower end of the transfer cylinder (2) is fixedly connected with a plurality of supporting legs (8), and the inside of the transfer cylinder (2) is provided with a flow stabilizing mechanism for stabilizing the hydraulic oil.

2. The hydraulic pump structure with a filtering function according to claim 1, characterized in that, The flow stabilizing mechanism comprises a plurality of baffle plates (13) fixedly connected to the inner wall of the transfer cylinder (2), and the plurality of baffle plates (13) are arranged at equal intervals.

3. The hydraulic pump structure with a filtering function according to claim 2, characterized in that, The lower end of the deslagging pipe (9) is communicated with a deslagging pipe (12), and the deslagging pipe (12) is provided with a sealing cover (15).

4. The hydraulic pump structure with a filtering function according to claim 3, characterized in that, The side walls of the plurality of supporting legs (8) are jointly provided with a connecting disc (11), and a plurality of threaded holes are formed in the upper end of the connecting disc (11).

5. The hydraulic pump structure with a filtering function according to claim 1, characterized in that, The side wall of the deslagging pipe (9) is fixedly connected with a mounting ring (10), and the mounting ring (10) is threadedly connected with the mesh filter cartridge (4).

6. The hydraulic pump structure with a filtering function according to claim 1, wherein The upper end of the cylinder cover (5) is provided with two mounting grooves, and the mounting grooves are provided with observation plates (14).

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