CN212690315U

CN212690315U - Axial plunger pump with shock attenuation effect

Info

Publication number: CN212690315U
Application number: CN202021042534.8U
Authority: CN
Inventors: 王向东
Original assignee: Qidong High Pressure Oil Pump Co ltd
Current assignee: Qidong High Pressure Oil Pump Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-03-12
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses an axial plunger pump with shock attenuation effect, including axial plunger pump main part, the top of axial plunger pump main part is provided with the fixed end cover, the inside of axial plunger pump main part is located fixed end cover department and is provided with the axis of rotation, the inside of fixed end cover is provided with the seal structure with axis of rotation matched with, seal structure includes fastening bolt, fixed plate, cooperation mouth, fixed pin and inseparable pad, be provided with water inlet and delivery port in the axial plunger pump main part, one side of axial plunger pump main part is provided with damping device. An axial plunger pump with shock attenuation effect, movable plate and expanding spring through damping device mutually support, can be with the vibrations of less equipment when fixed axial plunger pump main part, the life of extension axial plunger pump through the tight pad in the seal structure, can be so that the cooperation mouth is sealed mutually with the fixed plate, reduce the condition of oil leak, relatively practical.

Description

Axial plunger pump with shock attenuation effect

Technical Field

The utility model relates to an axial plunger pump field, in particular to axial plunger pump with shock attenuation effect.

Background

The axial plunger pump adopts the oil distribution disc to distribute oil, the cylinder body rotates, and the swash plate type axial plunger pump depends on variable head variables, the pump adopts the design of the optimal oil film thickness of hydrostatic balance, so that the cylinder body and the oil distribution disc, the piston shoes and the variable head run under pure liquid friction, and the axial plunger pump has the advantages of simple structure, small volume, low noise, high efficiency, long service life, self-absorption capability and the like, has various variable situations to meet the requirements of users, and is widely applied to machines such as forging and pressing machine tools, metallurgy, engineering, mines, ships and the like and other hydraulic transmission systems. However, the existing axial plunger pump has certain disadvantages, and the axial plunger pump has the conditions of large amplitude and severe vibration during operation, and the condition of oil leakage at the contact surface of an end cover and a rotating shaft of the axial plunger pump is troublesome.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an axial plunger pump with shock absorption effect, which can effectively solve the problems of the prior art.

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

the utility model provides an axial plunger pump with shock attenuation effect, includes axial plunger pump main part, the top of axial plunger pump main part is provided with the fixed end cover, the inside of axial plunger pump main part is located fixed end cover department and is provided with the axis of rotation, the inside of fixed end cover is provided with the seal structure with axis of rotation matched with, seal structure includes fastening bolt, fixed plate, cooperation mouth, fixed pin and inseparable pad, be provided with water inlet and delivery port in the axial plunger pump main part, one side of axial plunger pump main part is provided with damping device, damping device includes fixed block, fixing bolt, spliced pole, movable plate, fixed lid and expanding spring.

Preferably, the welding has the fixed block in the axial plunger pump main part, be provided with fixed lid on the fixed block, fixed lid is fixed mutually with the fixed block through fixing bolt, be provided with the movable plate between fixing bolt and the fixed block, fixed covering is provided with the spliced pole, the spliced pole runs through the inside of movable plate, the one side that lies in the movable plate on the spliced pole is provided with expanding spring, the movable plate is connected through expanding spring and the inner wall of axial plunger pump main part, and movable plate and expanding spring through damping device mutually support, can be with the vibrations of less equipment when fixed axial plunger pump main part, prolong the life of axial plunger pump.

Preferably, the stiff end is covered and is provided with the fixed plate, the fixed plate is fixed through fastening bolt, it is provided with the tight pad with pivot axle laminating department to lie in on the fixed plate, the tight pad is fixed mutually with the fixed plate through the fixed pin, be provided with the cooperation mouth on closely stacking up, the cooperation mouth is the cockscomb structure, and through the tight pad in the seal structure, can be so that cooperation mouth and fixed plate are sealed mutually, reduce the condition of oil leak, it is more practical.

Preferably, an adjusting seat is arranged below the axial plunger pump main body, and an adjusting knob is arranged on one side of the adjusting seat.

Preferably, the rotating shaft on the axial plunger pump body is connected with the motor through a coupling.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with damping device, movable plate and expanding spring through damping device mutually support, can prolong the life of axial plunger pump with the vibrations of less equipment when fixed axial plunger pump main part, are provided with seal structure, through the tight pad in the seal structure, can be so that the cooperation mouth is sealed mutually with the fixed plate, reduce the condition of oil leak, and is more practical.

Drawings

Fig. 1 is a schematic view of the overall structure of an axial plunger pump with a damping effect according to the present invention;

FIG. 2 is a front view of an axial plunger pump with damping effect according to the present invention;

fig. 3 is a schematic view of a damping device of an axial plunger pump with a damping effect according to the present invention;

fig. 4 is a schematic view of the sealing structure of the axial plunger pump with damping effect of the present invention.

In the figure: 1. an axial plunger pump body; 2. a water inlet; 3. fixing an end cover; 4. a water outlet; 5. a damping device; 501. a fixed block; 502. fixing the bolt; 503. connecting columns; 504. moving the plate; 505. a fixed cover; 506. a tension spring; 6. a sealing structure; 601. fastening a bolt; 602. a fixing plate; 603. a mating port; 604. a fixing pin; 605. a compact pad; 7. a rotating shaft; 8. adjusting a knob; 9. an adjusting seat.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an axial plunger pump with a shock absorption effect includes an axial plunger pump main body 1, a fixed end cover 3 is disposed at a top end of the axial plunger pump main body 1, a rotating shaft 7 is disposed at the position of the fixed end cover 3 inside the axial plunger pump main body 1, a sealing structure 6 matched with the rotating shaft 7 is disposed inside the fixed end cover 3, the sealing structure 6 includes a fastening bolt 601, a fixed plate 602, a matching port 603, a fixed pin 604 and a tight pad 605, a water inlet 2 and a water outlet 4 are disposed on the axial plunger pump main body 1, a shock absorption device 5 is disposed on one side of the axial plunger pump main body 1, and the shock absorption device 5 includes a fixed block 501, a fixed bolt 502, a connecting column 503, a moving plate 504, a fixed cover;

a fixed block 501 is welded on the axial plunger pump main body 1, a fixed cover 505 is arranged on the fixed block 501, the fixed cover 505 is fixed with the fixed block 501 through a fixed bolt 502, a moving plate 504 is arranged between the fixed bolt 502 and the fixed block 501, a connecting column 503 is arranged on the fixed cover 505, the connecting column 503 penetrates through the moving plate 504, an expansion spring 506 is arranged on one side, located on the moving plate 504, of the connecting column 503, and the moving plate 504 is connected with the inner wall of the axial plunger pump main body 1 through the expansion spring 506; a fixing plate 602 is arranged on the fixing end cover 3, the fixing plate 602 is fixed through a fastening bolt 601, a tight gasket 605 is arranged on the fixing plate 602 at the joint with the rotating shaft 7, the tight gasket 605 is fixed with the fixing plate 602 through a fixing pin 604, a matching opening 603 is arranged on the tight gasket 605, and the matching opening 603 is in a sawtooth shape; an adjusting seat 9 is arranged below the axial plunger pump main body 1, and an adjusting knob 8 is arranged on one side of the adjusting seat 9; the rotating shaft 7 on the axial plunger pump main body 1 is connected with a motor through a coupler.

It should be noted that, the present invention is an axial plunger pump with damping effect, when in installation, the axial plunger pump main body 1 is fixed on the equipment through the damping device 5, specifically, the fixing block 501 is fixed on the equipment through the fixing bolt 502, so that the equipment is tightly attached to the fixing cover 505, the rotating shaft 7 is connected to the motor through the coupling, then when in use, the motor is driven, the equipment has a certain vibration, at this time, the expansion spring 506 can move along the connecting column 503, so that the vibration amplitude of the vibrating fixing cover 505 is reduced, the rotating shaft 7 rotates to drive the interior of the axial plunger pump main body 1 to operate, at this time, the liquid from the water inlet 2 is pumped to the water outlet 4 through the axial plunger pump main body 1, thereby pumping the liquid out, the flow of the valve plate can be controlled through the adjusting knob 8 of the adjusting seat 9, during the rotation of the rotating shaft 7, the leakage of lubricating oil inside the axial plunger pump body 1 can be reduced through the sealing structure 6, the tight gasket 605 in the fixing plate 602 blocks the joint surface between the rotating shaft 7 and the fixing end cover 3, the looseness of the tight gasket 605 is avoided through the fixing pin 604, and meanwhile, the leakage of lubricating oil can also be reduced through the matching port 603, so that the axial plunger pump is convenient to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an axial plunger pump with shock attenuation effect which characterized in that: comprises an axial plunger pump main body (1), a fixed end cover (3) is arranged at the top end of the axial plunger pump main body (1), a rotating shaft (7) is arranged inside the axial plunger pump main body (1) and at the position of the fixed end cover (3), a sealing structure (6) matched with the rotating shaft (7) is arranged in the fixed end cover (3), the sealing structure (6) comprises a fastening bolt (601), a fixing plate (602), a matching port (603), a fixing pin (604) and a tight gasket (605), a water inlet (2) and a water outlet (4) are arranged on the axial plunger pump main body (1), a damping device (5) is arranged on one side of the axial plunger pump main body (1), the damping device (5) comprises a fixing block (501), a fixing bolt (502), a connecting column (503), a moving plate (504), a fixing cover (505) and a telescopic spring (506).

2. Axial piston pump with a damping effect according to claim 1, characterized in that: the welding has fixed block (501) on axial plunger pump main part (1), be provided with fixed lid (505) on fixed block (501), fixed lid (505) is fixed mutually with fixed block (501) through fixing bolt (502), be provided with movable plate (504) between fixing bolt (502) and fixed block (501), be provided with spliced pole (503) on fixed lid (505), spliced pole (503) run through the inside of movable plate (504), one side that lies in movable plate (504) on spliced pole (503) is provided with expanding spring (506), movable plate (504) are connected with the inner wall of axial plunger pump main part (1) through expanding spring (506).

3. Axial piston pump with a damping effect according to claim 1, characterized in that: be provided with fixed plate (602) on fixed end cover (3), fixed plate (602) are fixed through fastening bolt (601), it is provided with tight pad (605) to lie in the department of laminating mutually with axis of rotation (7) on fixed plate (602), tight pad (605) are fixed mutually with fixed plate (602) through fixed pin (604), be provided with cooperation mouth (603) on tight pad (605), cooperation mouth (603) are the cockscomb structure.

4. Axial piston pump with a damping effect according to claim 1, characterized in that: an adjusting seat (9) is arranged below the axial plunger pump main body (1), and an adjusting knob (8) is arranged on one side of the adjusting seat (9).

5. Axial piston pump with a damping effect according to claim 1, characterized in that: and a rotating shaft (7) on the axial plunger pump main body (1) is connected with the motor through a coupler.