CN216200150U

CN216200150U - Hydraulic pump with good noise reduction and shock absorption effects

Info

Publication number: CN216200150U
Application number: CN202121994460.2U
Authority: CN
Inventors: 王勇
Original assignee: Yantai Linde Hydraulic Machinery Co ltd
Current assignee: Yantai Linde Hydraulic Machinery Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-04-05
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a hydraulic pump with good noise reduction and shock absorption effects, which comprises a pump body, wherein a bottom plate is welded at the bottom of the pump body, supporting rods are movably mounted on two sides of the bottom plate, a base is arranged at the bottom of each supporting rod, a fixed block is fixedly mounted at the center of the bottom plate, a moving block is fixedly mounted at the bottom of each fixed block, a fixed frame is fixedly mounted at the center of the top of the base and below the moving block, and a moving plate is fixedly mounted at the lower end of the moving block and penetrates through and extends into the fixed frame. According to the damping shock absorber, the first shock absorbing spring and the second shock absorbing spring are additionally arranged at the bottom of the bottom plate, so that the bottom can be buffered when the bottom plate shakes, the moving block extrudes the rubber pads and the elastic rings to enhance the buffering effect on the bottom plate and the pump body, meanwhile, the damping shock absorber can reduce the shock amplitude and enable the pump body to reset rapidly, sound absorbing cotton in the rear cover can absorb noise, and the influence caused by the noise during working is reduced.

Description

Hydraulic pump with good noise reduction and shock absorption effects

Technical Field

The utility model relates to the technical field of hydraulic pumps, in particular to a hydraulic pump with good noise reduction and shock absorption effects.

Background

The hydraulic pump is a power element of a hydraulic system and has the function of providing pressure oil for the hydraulic system, in terms of energy conversion, the hydraulic pump converts mechanical energy output by a prime motor into pressure energy of liquid convenient to convey, the hydraulic motor belongs to an execution element and can convert the pressure energy of input liquid into mechanical energy rotating by an output shaft to drag a load to do work, according to the structural form, the hydraulic pump and the hydraulic motor can be divided into a gear type, a blade type, a plunger type and the like, the hydraulic machine sucks oil from a hydraulic oil tank to form pressure oil discharge and sends the pressure oil to an element of the execution element, but in the using process, a pump body can generate vibration, internal parts can fall off when the hydraulic pump works for a long time in a vibration state, and the service life of the hydraulic pump is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic pump with good noise reduction and shock absorption effects, which has the shock absorption advantage and solves the problem that internal parts fall off when a pump body per se vibrates and works for a long time in a vibration state in the use process.

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic pump with good noise and shock reducing effects comprises a pump body, wherein a bottom plate is welded at the bottom of the pump body, the two sides of the bottom plate are both movably provided with supporting rods, the bottom of each supporting rod is provided with a base, a fixed block is fixedly arranged at the center of the bottom plate, a moving block is fixedly arranged at the bottom of the fixed block, a fixed frame is fixedly arranged at the center of the top of the base below the moving block, the lower end of the moving block penetrates and extends into the fixed frame and is fixedly provided with a moving plate, rubber pads are bonded on both sides of the bottom of the moving plate, elastic rings are attached to the bottoms of the rubber pads, the center department fixed mounting of movable plate bottom has the damping bumper shock absorber, the bottom of damping bumper shock absorber and the bottom fixed mounting of fixed frame inner chamber, the left side movable mounting of the pump body has the back lid, the inner wall joint of back lid has the sound of inhaling cotton.

Preferably, the lower end of the supporting rod is movably provided with a positioning plate, and the bottom of the positioning plate is attached to the top of the base and connected with the top of the base through a bolt.

Preferably, the two sides of the fixing block are fixedly provided with connecting plates, the bottom of each connecting plate is welded with a second damping spring, and the lower end of each second damping spring is fixedly installed on the top of the base.

Preferably, both ends of the moving plate are fixedly provided with sliders, and one ends of the sliders are embedded into the inner wall of the fixed frame and connected in a sliding manner.

Preferably, the moving groove has all been seted up to the both sides of fixed frame inner chamber bottom, and the inside sliding connection in moving groove has the movable block, the lower extreme of elastic ring and the surface rotation installation of movable block.

Preferably, first damping springs are welded on two sides of the bottom plate and between the two support rods, and the lower ends of the first damping springs are fixedly mounted on the top of the base.

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

1. according to the damping shock absorber, the first shock absorbing spring and the second shock absorbing spring are additionally arranged at the bottom of the bottom plate, so that the bottom can be buffered when the bottom plate shakes, the moving block extrudes the rubber pads and the elastic rings to enhance the buffering effect on the bottom plate and the pump body, meanwhile, the damping shock absorber can reduce the shock amplitude, the pump body can be quickly reset, the sound absorbing cotton in the rear cover can absorb noise, the influence caused by noise during work is reduced, and meanwhile, the problem that the pump body can vibrate during use and internal parts can fall off when the pump body works for a long time in a shock state is solved.

2. According to the utility model, the moving groove is additionally arranged in the fixed frame, so that the lower end of the elastic ring can move, meanwhile, the rubber pad is matched with the elastic ring, the moving plate and the moving block can be synchronously supported and buffered, and the two ends of the moving plate are arranged on the inner wall of the fixed frame and can limit the moving track of the moving plate, so that the inclination of the moving plate in the fixed frame is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the fixing frame of the present invention;

fig. 3 is a right side view of the rear cover structure of the present invention.

In the figure: 1. a pump body; 2. a base plate; 3. a support bar; 4. a base; 5. a first damping spring; 6. a connecting plate; 7. a second damping spring; 8. a fixed block; 9. a moving block; 10. a fixing frame; 11. moving the plate; 12. a rubber pad; 13. an elastic ring; 14. a damping shock absorber; 15. a rear cover; 16. sound-absorbing cotton; 17. and (7) positioning the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a hydraulic pump with good noise reduction and shock absorption effects comprises a pump body 1, a bottom plate 2 welded at the bottom of the pump body 1, first shock absorbing springs 5 welded at both sides of the bottom plate 2 and between the two support rods 3, a base 4 fixedly mounted at the lower end of the first shock absorbing spring 5, support rods 3 movably mounted at both sides of the bottom plate 2, a positioning plate 17 movably mounted at the lower end of the support rod 3, the bottom of the positioning plate 17 attached to the top of the base 4 and connected by bolts, the bottom of the support rod 3 provided with the base 4, a fixed block 8 fixedly mounted at the center of the bottom plate 2, connecting plates 6 fixedly mounted at both sides of the fixed block 8, second shock absorbing springs 7 welded at the bottom of the connecting plates 6, a moving block 9 fixedly mounted at the bottom of the fixed block 8, a fixed frame 10 is fixedly installed below the moving block 9 and at the center of the top of the base 4, moving grooves are respectively formed at two sides of the bottom of an inner cavity of the fixed frame 10, a moving block is connected in the moving grooves in a sliding manner, the lower end of the elastic ring 13 is rotatably installed with the surface of the moving block, the moving grooves are additionally arranged in the fixed frame 10, the lower end of the elastic ring 13 can move, meanwhile, the rubber gasket 12 is matched with the elastic ring 13 to synchronously support and buffer the moving plate 11 and the moving block 9, the two ends of the moving plate 11 are arranged in the inner wall of the fixed frame 10 to limit the moving track of the moving plate 11, so as to prevent the tilting during the moving in the fixed frame 10, the lower end of the moving block 9 penetrates through the fixed frame 10 and is fixedly provided with the moving plate 11, sliding blocks are fixedly installed at two ends of the moving plate 11, and one end of each sliding block is embedded in the inner wall of the fixed frame 10 and is connected in a sliding manner, rubber pads 12 are bonded on two sides of the bottom of the movable plate 11, an elastic ring 13 is bonded on the bottom of the rubber pads 12, a damping shock absorber 14 is fixedly mounted at the center of the bottom of the movable plate 11, the bottom of the damping shock absorber 14 is fixedly mounted with the bottom of the inner cavity of the fixed frame 10, a rear cover 15 is movably mounted on the left side of the pump body 1, sound-absorbing cotton 16 is clamped on the inner wall of the rear cover 15, the bottom can be buffered when the bottom plate 2 shakes by adding a first damping spring 5 and a second damping spring 7 at the bottom of the bottom plate 2, the rubber pads 12 and the elastic ring 13 are extruded by the movable block 9 to enhance the buffering effect on the bottom plate 2 and the pump body 1, meanwhile, the damping shock absorber 14 can reduce the vibration amplitude, the pump body 1 can be reset rapidly, the sound-absorbing cotton 16 in the rear cover 15 can absorb noise, the influence caused by the noise during the work is reduced, and the problem that the pump body itself can vibrate during the use is solved, the problem of falling off of internal parts can be caused when the machine is in a vibration state for a long time.

All the parts in the utility model are universal standard parts or parts known by technicians in the field, the structure and the principle of the parts are known by technicians in the field through technical manuals or conventional experimental methods, meanwhile, standard parts used in the application document can be purchased from the market, all the parts in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of all the parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, and specific description is not given.

During the use, when the pump body 1 works and produces vibrations, the junction can appear not hard up under bottom plate 2 and bracing piece 3 are in the vibrations state for a long time, the bottom of bottom plate 2 transmits the vibrations dynamics for first damping spring 5 this moment, and fixed block 8 extrudees movable block 9, thereby drive connecting plate 6 of both sides and move down and extrude the buffering to second damping spring 7, the bottom of movable block 9 drives movable plate 11 and moves down this moment, and extrude rubber pad 12 and elastic ring 13, elastic ring 13 and rubber pad 12 produce deformation and cushion the vibrations dynamics, damping shock absorber 14 can reduce the vibration range simultaneously, can make the quick reset of pump body 1, and the inside sound cotton 16 of inhaling of back lid 15 can absorb the noise, reduce the influence that the during operation noise caused.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a effectual hydraulic pump of shock attenuation of making an uproar falls, includes the pump body (1), its characterized in that: the bottom of the pump body (1) is welded with a bottom plate (2), supporting rods (3) are movably mounted on two sides of the bottom plate (2), a base (4) is arranged at the bottom of each supporting rod (3), a fixed block (8) is fixedly mounted at the center of the bottom plate (2), a moving block (9) is fixedly mounted at the bottom of the fixed block (8), a fixed frame (10) is fixedly mounted at the center of the top of the base (4) below the moving block (9), the lower end of the moving block (9) extends into the fixed frame (10) in a penetrating manner and is fixedly mounted with a moving plate (11), rubber pads (12) are bonded on two sides of the bottom of the moving plate (11), elastic rings (13) are attached to the bottoms of the rubber pads (12), and damping shock absorbers (14) are fixedly mounted at the center of the bottom of the moving plate (11), the bottom of damping bumper shock absorber (14) and the bottom fixed mounting of fixed frame (10) inner chamber, the left side movable mounting of the pump body (1) has back lid (15), the inner wall joint of back lid (15) has sound absorption cotton (16).

2. The hydraulic pump with good noise and shock reducing effects as claimed in claim 1, wherein: the lower end of the supporting rod (3) is movably provided with a positioning plate (17), and the bottom of the positioning plate (17) is attached to the top of the base (4) and connected with the top of the base through a bolt.

3. The hydraulic pump with good noise and shock reducing effects as claimed in claim 1, wherein: the equal fixed mounting in both sides of fixed block (8) has connecting plate (6), the bottom welding of connecting plate (6) has second damping spring (7), the lower extreme of second damping spring (7) and the top fixed mounting of base (4).

4. The hydraulic pump with good noise and shock reducing effects as claimed in claim 1, wherein: the two ends of the moving plate (11) are fixedly provided with sliding blocks, and one ends of the sliding blocks are embedded into the inner wall of the fixed frame (10) and connected in a sliding mode.

5. The hydraulic pump with good noise and shock reducing effects as claimed in claim 1, wherein: the moving groove is formed in the two sides of the bottom of the inner cavity of the fixing frame (10), the moving block is connected to the inside of the moving groove in a sliding mode, and the lower end of the elastic ring (13) is installed on the surface of the moving block in a rotating mode.

6. The hydraulic pump with good noise and shock reducing effects as claimed in claim 1, wherein: the damping device is characterized in that first damping springs (5) are welded on two sides of the bottom plate (2) and between the two support rods (3), and the lower ends of the first damping springs (5) are fixedly mounted on the top of the base (4).