CN212804067U

CN212804067U - Opposed double-gear hydraulic pump

Info

Publication number: CN212804067U
Application number: CN202021512143.8U
Authority: CN
Inventors: 张玮; 陈裕银; 李振立; 刘付金文; 邹志辉; 熊海军
Original assignee: GUANGZHOU BAIYUN HYDRAULIC MACHINERY PLANT CO Ltd
Current assignee: GUANGZHOU BAIYUN HYDRAULIC MACHINERY PLANT CO Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-26
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a hydraulic pump technical field just discloses an opposed type duplicate gear hydraulic pump, including the hydraulic pump body. This opposed type duplicate gear hydraulic pump, setting through the sliding seat, take place vibrations in-process at hydraulic pump body work, can drive the sliding seat and slide under the supporting seat, the sliding seat moves the in-process downwards, the fixed block of top drives the horizontal pole rebound, make the distance reduce between the horizontal pole of top and the horizontal pole of below, make the loop bar remove to rotating the sleeve through the guide effect in movable groove, the movable block also compresses tightly the second spring simultaneously, the displacement that vibrations produced is offset to the resilience force that receives the second spring, simultaneously because the loop bar is the slope, can receive partial transverse force, thereby promote the outside slip of slider at the guide bar, extrude first spring, transverse force is offset once more through the resilience force of first spring, the effectual purpose of shock attenuation has been reached.

Description

Opposed double-gear hydraulic pump

Technical Field

The utility model relates to a hydraulic pump technical field specifically is an opposed type duplicate gear hydraulic pump.

Background

The duplex hydraulic pump adopts the same transmission shaft to drive the rotors of two pumps to rotate, the rotors are connected together and driven by a motor, the oil suction ports of the pumps are public, the oil pressing ports are respectively separated, and the two flows output by the pumps can be used independently or in parallel.

The existing duplex hydraulic pump is horizontally placed to work, vibration generated by the working of a motor can be transmitted to a base, so that the base and the ground are vibrated and collided, larger noise can be generated, the hydraulic pump is easy to damage, and the problem is solved by the oppositely-arranged duplex gear hydraulic pump.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an opposed type duplicate gear hydraulic pump possesses advantages such as the shock attenuation is effectual, has solved current duplicate hydraulic pump and has placed at the level and carry out the during operation, and the vibrations that motor work produced can transmit the base for take place the vibrations collision between base and the ground, both can produce great noise, also damage the problem of hydraulic pump easily.

(II) technical scheme

For realizing the effectual purpose of above-mentioned shock attenuation, the utility model provides a following technical scheme: an opposed dual-gear hydraulic pump comprises a hydraulic pump body, wherein a movable seat is fixedly mounted at the bottom of the hydraulic pump body, a supporting seat is movably mounted at the outer side of the movable seat, four baffles are fixedly mounted at the bottom of the movable seat, guide rods are fixedly mounted between the two baffles, a slider is movably mounted at the outer side of each guide rod, first springs are fixedly connected with the left side and the right side of the slider, two fixed blocks are fixedly mounted at the bottom of the slider and the inner part of the supporting seat, a cross rod is fixedly mounted between the two fixed blocks, a rotating sleeve is movably mounted at the outer side of the cross rod at the bottom, a limiting block is fixedly mounted at the outer side of the cross rod, a movable groove is formed at the top of the rotating sleeve, a sleeve rod is movably mounted at the inner part of the movable groove, a second spring is fixedly mounted at the inner part, the bottom fixed mounting of loop bar has the movable block, the inside fixed mounting of supporting seat has the supporting shoe, the top fixed mounting of supporting shoe has U-shaped spring steel, the inboard fixed mounting of U-shaped spring steel has the block rubber, the top fixed mounting of U-shaped spring steel has the foam-rubber cushion, the bottom fixed mounting of sliding seat has the briquetting.

Preferably, the supporting seat is a cuboid which is hollow inside and lacks in the top surface, and the size of the movable seat is matched with the size of the inner cavity of the supporting seat.

Preferably, the first spring is located on the outer side of the guide rod, and one end, far away from the rotating sleeve, of the loop bar is movably connected with the top cross bar.

Preferably, the top of the second spring is fixedly connected with the movable block, and the rotating sleeve is a cylinder with a hollow inner part.

Preferably, the number of the U-shaped spring steels is two, and the two U-shaped spring steels are symmetrically distributed on the left side and the right side of the central axis of the supporting block.

Preferably, the rubber block is positioned between the two U-shaped spring steels, and the bottom of the pressing block is in contact with the top of the spongy cushion.

(III) advantageous effects

Compared with the prior art, the utility model provides an opposed type duplicate gear hydraulic pump possesses following beneficial effect:

1. this opposed type duplicate gear hydraulic pump, setting through the sliding seat, when hydraulic pump body work takes place vibrations, can drive the sliding seat and slide under the supporting seat, the sliding seat moves the in-process downwards, the fixed block of top drives the horizontal pole rebound, make the distance reduce between the horizontal pole of top and the horizontal pole of below, make the loop bar remove to rotating the sleeve through the guide effect of movable groove, the movable block also compresses tightly the second spring simultaneously, the displacement that vibrations produced is offset to the resilience force that receives the second spring, simultaneously because the loop bar is the slope, can receive partial horizontal effort, thereby promote the slider and slide in the outside of guide bar, extrude first spring, the horizontal effort is offset once more to the resilience force through first spring, the effectual purpose of shock attenuation has been reached.

2. This opposed type duplicate gear hydraulic pump, setting through the briquetting, the in-process that is pushed down by the pressure at the sliding seat, make the briquetting extrude U-shaped spring steel, the centre is through the setting of foam-rubber cushion, let the briquetting all with the foam-rubber cushion contact of pushing down at every turn, the absorbing effect of making an uproar falls is played, U-shaped spring steel's elasticity is better simultaneously, it takes place deformation to receive pressure, utilize its resilience force to carry out the shock attenuation, and the setting through the rubber block, prop up the inside of U-shaped spring steel, the deformation that prevents U-shaped spring steel from taking place is too big, also play auxiliary stay and absorbing effect through rubber block self elasticity simultaneously, the effectual purpose of shock attenuation has been reached.

Drawings

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

FIG. 2 is a left side view of the rotating sleeve of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1 hydraulic pump body, 2 sliding seats, 3 supporting seats, 4 baffles, 5 guide bars, 6 sliders, 7 first springs, 8 fixed blocks, 9 cross bars, 10 rotating sleeves, 11 limiting blocks, 12 movable grooves, 13 loop bars, 14 second springs, 15 movable blocks, 16 supporting blocks, 17U-shaped spring steel, 18 rubber blocks, 19 sponge pads and 20 pressing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an opposed dual-gear hydraulic pump comprises a hydraulic pump body 1, a movable seat 2 is fixedly mounted at the bottom of the hydraulic pump body 1, a support seat 3 is movably mounted at the outer side of the movable seat 2, the support seat 3 is a cuboid which is hollow and has a missing top surface, the size of the movable seat 2 is matched with the size of an inner cavity of the support seat 3, four baffles 4 are fixedly mounted at the bottom of the movable seat 2, a guide rod 5 is fixedly mounted between the left baffle 4 and the right baffle 4, a slide block 6 is movably mounted at the outer side of the guide rod 5, first springs 7 are fixedly connected at the left side and the right side of the slide block 6, two fixed blocks 8 are fixedly mounted at the bottom of the slide block 6 and the inner side of the support seat 3, a cross rod 9 is fixedly mounted between the front fixed block 8 and the rear fixed block 8, a rotating sleeve 10 is movably, the top of the rotating sleeve 10 is provided with a movable groove 12, the inside of the movable groove 12 is movably provided with a loop bar 13, the first spring 7 is positioned outside the guide bar 5, one end of the loop bar 13 far away from the rotating sleeve 10 is movably connected with a top cross bar 9, the inside of the movable groove 12 is fixedly provided with a second spring 14, the bottom of the loop bar 13 is fixedly provided with a movable block 15, through the arrangement of the movable seat 2, when the hydraulic pump body 1 vibrates during working, the movable seat 2 can be driven to slide downwards in the supporting seat 3, in the downward movement process of the movable seat 2, the upper fixed block 8 drives the cross bar 9 to move downwards, so that the distance between the upper cross bar 9 and the lower cross bar 9 is reduced, the loop bar 13 moves towards the rotating sleeve 10 through the guide effect of the movable groove 12, the movable block 15 simultaneously compresses the second spring 14, and the displacement generated by vibration is counteracted by the resilience force of the second spring, meanwhile, the loop bar 13 is inclined and can bear partial transverse acting force, so that the sliding block 6 is pushed to slide on the outer side of the guide bar 5 to extrude the first spring 7, the transverse acting force is offset again through the resilience force of the first spring 7, and the purpose of good damping effect is achieved, the top of the second spring 14 is fixedly connected with the movable block 15, the rotating sleeve 10 is a cylinder with a hollow inner part, the supporting block 16 is fixedly arranged inside the supporting seat 3, the top of the supporting block 16 is fixedly provided with U-shaped spring steels 17, the number of the U-shaped spring steels 17 is two, the two U-shaped spring steels 17 are symmetrically distributed on the left side and the right side of the central axis of the supporting block 16, the rubber block 18 is fixedly arranged on the inner side of the U-shaped spring steel 17, the top of the U-shaped spring steel 17 is fixedly provided with a sponge cushion 19, the bottom of the movable seat 2 is fixedly provided with a pressing block, the bottom of briquetting 20 contacts with the top of foam-rubber cushion 19, setting through briquetting 20, the in-process that presses down at sliding seat 2 under pressure, make briquetting 20 extrude U-shaped spring steel 17, the centre is through the setting of foam-rubber cushion 19, let briquetting 20 all contact with foam-rubber cushion 19 down at every turn, play the absorbing effect of making an uproar that falls, U-shaped spring steel 17's elasticity is better simultaneously, it takes place deformation to receive pressure, utilize its resilience to carry out the shock attenuation, and through the setting of block rubber 18, prop up U-shaped spring steel 17's inside, it is too big to prevent the deformation that U-shaped spring steel 17 takes place, also play auxiliary stay and absorbing effect through block rubber 18 self elasticity simultaneously, the effectual purpose of shock attenuation has been reached.

In summary, when the hydraulic pump body 1 of the opposed double-gear hydraulic pump vibrates during operation through the arrangement of the movable seat 2, the movable seat 2 is driven to slide downwards in the supporting seat 3, the fixed block 8 above drives the cross rod 9 to move downwards in the process that the movable seat 2 moves downwards, the distance between the upper cross bar 9 and the lower cross bar 9 is reduced, the loop bar 13 moves towards the rotating sleeve 10 through the guiding action of the movable groove 12, the movable block 15 simultaneously compresses the second spring 14, the displacement generated by vibration is offset by the resilience force of the second spring 14, meanwhile, as the loop bar 13 is inclined, a part of transverse force can be applied to the loop bar, so that the slide block 6 is pushed to slide on the outer side of the guide bar 5, extrude first spring 7, offset transverse force again through first spring 7's resilience force, reached the effectual purpose of shock attenuation.

Moreover, through the setting of the pressing block 20, in the process that the movable seat 2 is pressed down by pressure, the pressing block 20 extrudes the U-shaped spring steel 17, the middle part of the U-shaped spring steel 17 is provided with the spongy cushion 19, the pressing block 20 is pressed down each time to be contacted with the spongy cushion 19, the noise reduction and shock absorption effects are achieved, meanwhile, the U-shaped spring steel 17 has better elasticity and deforms under the pressure, the shock absorption is achieved by utilizing the resilience force of the U-shaped spring steel, through the setting of the rubber block 18, the inner part of the U-shaped spring steel 17 is supported, the U-shaped spring steel 17 is prevented from being deformed too much, meanwhile, the auxiliary supporting and shock absorption effects are also achieved through the elasticity of the rubber block 18, the purpose of good shock absorption effect is achieved, the problem that when the existing duplex hydraulic pump is horizontally placed for working, the shock generated by the working of the motor can be transmitted to the base, so that the base and the ground are in, and also easily damage the hydraulic pump.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an opposite pair gear hydraulic pump, includes hydraulic pump body (1), its characterized in that: the bottom fixed mounting of hydraulic pump body (1) has sliding seat (2), the outside movable mounting of sliding seat (2) has supporting seat (3), the bottom fixed mounting of sliding seat (2) has baffle (4) that quantity is four, controls two fixed mounting has guide bar (5) between baffle (4), the outside movable mounting of guide bar (5) has slider (6), the equal fixedly connected with first spring (7) in the left and right sides of slider (6), the bottom of slider (6) and the inside of supporting seat (3) all fixedly mounted have fixed block (8) that quantity is two, two around fixed block (8) between fixed block (8) fixed mounting have horizontal pole (9), the outside movable mounting of bottom horizontal pole (9) has rotating sleeve (10), the bottom the outside fixed mounting of horizontal pole (9) has stopper (11), the utility model discloses a bearing support of a motor vehicle, including rotating sleeve (10), the inside movable mounting of activity groove (12) has loop bar (13), the inside fixed mounting of activity groove (12) has second spring (14), the bottom fixed mounting of loop bar (13) has movable block (15), the inside fixed mounting of supporting seat (3) has supporting shoe (16), the top fixed mounting of supporting shoe (16) has U-shaped spring steel (17), the inboard fixed mounting of U-shaped spring steel (17) has block rubber (18), the top fixed mounting of U-shaped spring steel (17) has foam-rubber cushion (19), the bottom fixed mounting of sliding seat (2) has briquetting (20).

2. The opposed double-geared hydraulic pump according to claim 1, wherein: the supporting seat (3) is a cuboid which is hollow inside and has a missing top surface, and the size of the movable seat (2) is matched with the size of the inner cavity of the supporting seat (3).

3. The opposed double-geared hydraulic pump according to claim 1, wherein: the first spring (7) is located on the outer side of the guide rod (5), and one end, far away from the rotating sleeve (10), of the loop bar (13) is movably connected with the top cross bar (9).

4. The opposed double-geared hydraulic pump according to claim 1, wherein: the top of the second spring (14) is fixedly connected with the movable block (15), and the rotating sleeve (10) is a cylinder with a hollow inner part.

5. The opposed double-geared hydraulic pump according to claim 1, wherein: the number of the U-shaped spring steels (17) is two, and the two U-shaped spring steels (17) are symmetrically distributed on the left side and the right side of the central axis of the supporting block (16).

6. The opposed double-geared hydraulic pump according to claim 1, wherein: the rubber block (18) is positioned between the two U-shaped spring steels (17), and the bottom of the pressing block (20) is in contact with the top of the spongy cushion (19).