Hydraulic pump auxiliary supporting device and backfill compactor

Abstract

The utility model discloses an auxiliary support device for a hydraulic pump and a backfill compactor, which comprises a bent plate bent into an L shape, a horizontal plate, a hydraulic cylinder and a hydraulic cylinder, the supporting plate is bent to be L-shaped and is provided with a vertical end and a horizontal end, and the vertical end of the supporting plate is connected with the frame; the number of the shock absorbers is two, the two shock absorbers are symmetrically installed on the upper side and the lower side of the horizontal end of the bent plate, the horizontal end of the supporting plate is connected to the bottom of the shock absorber on the lower side, and the bent plate, the supporting plate and the two shock absorbers are connected through connecting pieces. According to the auxiliary supporting device for the hydraulic pump, the rigidity of the rear end of the hydraulic pump can be improved, so that the overall stability of the hydraulic pump during operation is improved, and the fracture failure rate of a shell flange of the hydraulic pump is reduced; the auxiliary supporting device for the hydraulic pump is provided with the upper shock absorber and the lower shock absorber, the vertical displacement of the hydraulic pump can be restrained, vibration of the hydraulic pump can be effectively attenuated, and a shell of the hydraulic pump can be effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of hydraulic pump auxiliary support device and backfill compactor, belong to compactor hydraulic system suspension technical field. BACKGROUND

[0002] Backfill compactor relies on its dead weight and four-wheel drive system, through four welding convex block compaction roller and front push shovel, the garbage of landfill is pushed flat and compacted, can effectively improve the garbage inventory capacity of landfill, is conducive to saving land, protecting environment, prolonging the service life of landfill.

[0003] Backfill compactor is heavy due to dead weight, working environment is bad, requires driving ability, generally adopt multiple series hydraulic pump to provide power, front end hydraulic pump is connected with transfer case or engine connecting disc through the head flange of its shell, simple structure. However, due to the length of multiple hydraulic pumps, the structure of hydraulic pump head flange connection, tail cantilever, there is insufficient rigidity of hydraulic pump support, the load of hydraulic pump shell flange is too large, causes cracking problem, so it is necessary to optimize its structure to overcome the above-mentioned defects. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model provides a kind of hydraulic pump auxiliary support device and backfill compactor, improves the strength of hydraulic pump support structure.

[0005] In order to achieve the above-mentioned purpose, a kind of hydraulic pump auxiliary support device is adopted by the utility model, comprising:

[0006] The bent plate is bent to L type, has vertical end and horizontal end, and the vertical end is connected with the rear pump of hydraulic pump;

[0007] The support plate is bent to L type, has vertical end and horizontal end, and the vertical end is connected with the frame;

[0008] Two dampers are provided, and the two dampers are symmetrically installed on the upper side and the lower side of the horizontal end of the bent plate, the horizontal end of the support plate is connected to the bottom of the lower side damper, and the bent plate, the support plate and the two dampers are connected through the connecting piece.

[0009] As an improvement, the bent plate and the hydraulic pump, the support plate and the frame are connected by bolts.

[0010] As an improvement, the vertical end of the bent plate is provided with two bolt holes one, and the bolt hole one is a long circular hole arranged along the left-right direction;The vertical end of the support plate is provided with two bolt holes two, and the bolt hole two is a long circular hole arranged along the vertical direction.

[0011] As an improvement, the damper is connected with the bent plate and the support plate by bolts, and is fastened by nuts.

[0012] As improvement, the horizontal end of the bending plate is provided with a positioning circular hole, and one end of the damper is provided with a positioning step, and the positioning steps of the two dampers are correspondingly arranged in the positioning circular hole.

[0013] As improvement, the horizontal end of the support plate is provided with a positioning long circular hole arranged along the front-rear direction.

[0014] As improvement, a gasket is arranged between the upper damper and the bolt head of the bolt and between the lower damper and the horizontal end of the support plate.

[0015] As improvement, the damper is made of high-damping rubber material.

[0016] As improvement, the middle part of the bending plate is provided with a weight-reducing hole.

[0017] The second aspect of the utility model further provides a backfill compactor, the hydraulic pump auxiliary support device is installed on the backfill compactor.

[0018] Compared with the prior art, the hydraulic pump auxiliary support device can improve the rigidity of the rear end of the hydraulic pump, thereby increasing the overall stability of the hydraulic pump during operation and reducing the fracture failure rate of the hydraulic pump shell flange; the hydraulic pump auxiliary support device has two dampers arranged above and below, can constrain the up-down displacement of the hydraulic pump, and can effectively attenuate the vibration of the hydraulic pump, thereby effectively protecting the shell of the hydraulic pump. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0020] Figure 1 It is a sectional view structure schematic diagram of the utility model;

[0021] Figure 2 It is a bending plate structure schematic diagram of the utility model;

[0022] Figure 3 It is a support plate structure schematic diagram of the utility model;

[0023] Figure 4 It is a damper structure schematic diagram of the utility model;

[0024] Figure 5 It is an assembly structure schematic diagram of the utility model;

[0025] In the figure: 1, bolt one, 2, bent plate, 21, positioning round hole, 22, bolt hole one, 23, weight reduction hole, 3, bolt two, 4, gasket, 5, shock absorber, 51, positioning step, 6, support plate, 61, positioning oblong hole, 62, bolt hole two, 7, nut, 8, bolt three. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the following will make detailed description on the technical scheme of the application through the drawings and specific embodiments, it should be understood that the specific features in the embodiments and the embodiments of the application are detailed description of the technical scheme of the application, and not the limitation of the technical scheme of the application, in the case of no conflict, the technical features in the embodiments and the embodiments of the application can be combined.

[0027] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms 'front', 'back', 'left', 'right' and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, a specific orientation structure and operation, and therefore cannot be understood as a limitation on the protection content of the utility model.

[0028] As shown in Figures 1-5 , a kind of hydraulic pump auxiliary support device, including bent plate 2, support plate 6 and shock absorber 5, the bent plate 2, support plate 6 are all bent and have vertical end and horizontal end, the vertical end of the bent plate 2 is connected with the rear pump of hydraulic pump, the vertical end of the support plate 6 is connected with frame;

[0029] Two the shock absorber 5 is symmetrically installed on the upper side and the lower side of the horizontal end of bent plate 2, the horizontal end of the support plate 6 is connected at the bottom of lower shock absorber 5, the bent plate 2, support plate 6 and two shock absorbers 5 are connected by connecting piece.

[0030] As an improved embodiment, as shown in Figure 1 , Figure 5 , the bent plate 2 and hydraulic pump, support plate 6 and frame are all connected by bolt, and disassembly and assembly are convenient.

[0031] As an improved embodiment, as shown in Figures 1-3 and Figure 5 , the vertical end of the bent plate 2 is provided with two bolt holes one 22, and the bolt hole one 22 is an oblong hole arranged along the left-right direction, the bent plate 2 is fastened together with the rear pump of hydraulic pump by bolt one 1, and left-right direction adjustment can be realized;

[0032] The vertical end of the support plate 6 is provided with two bolt holes two 62, which are vertically arranged long circular holes, and the support plate 6 is fixed with the frame through bolts three 8 and can be adjusted in the up-down direction.

[0033] As an improved embodiment, as shown in Figures 1-5 The damper 5 is connected with the bent plate 2 and the support plate 6 through bolts two 3, and the damper 5 is fastened with the bent plate 2 and the support plate 6 into a whole through nuts 7.

[0034] As an improved embodiment, as shown in Figure 2 , Figure 4 The horizontal end of the bent plate 2 is provided with a positioning circular hole 21, and one end of the damper 5 is provided with a positioning step 51, and the positioning steps 51 of the two dampers 5 are correspondingly installed in the positioning circular hole 21, so that the damper 5 is assembled on the upper side and the lower side of the bent plate 2.

[0035] As an improved embodiment, as shown in Figure 3 The horizontal end of the support plate 6 is provided with a positioning long circular hole 61 arranged in the front-rear direction, so that the installation position between the support plate 6 and the damper 5 is adjusted. The hydraulic pump auxiliary support device has the advantages that the long circular holes designed on the bent plate 2 and the support plate 6 are adjustable in the left-right, front-rear and up-down directions, the load effect is avoided in the static load working condition and the working condition, the installation operation is convenient, the universality is high, and the cost and the maintainability are improved.

[0036] As an improved embodiment, as shown in Figure 1 The gaskets 4 are installed between the damper 5 on the upper side and the bolt head of the bolt, and between the damper 5 on the lower side and the horizontal end of the support plate 6, so that the installation stability and the damping performance of the structure are improved.

[0037] As an improved embodiment, the damper 5 is made of high-damping rubber material with a Shore hardness of 65 degrees, an axial static stiffness of 800 N / mm and a radial static stiffness of 578 N / mm, and the damping effect is remarkable.

[0038] As an improved embodiment, as shown in Figure 2 The middle part of the bent plate 2 is provided with a weight-reducing hole 23, and the light weight requirement is met.

[0039] The second aspect of the utility model further provides a backfill compactor, the backfill compactor is installed with the hydraulic pump auxiliary support device, effectively solve the problem that the traditional backfill compactor has insufficient rigidity of the hydraulic pump support, and the cracking of the hydraulic pump shell flange caused by excessive load.

[0040] The hydraulic pump auxiliary supporting device can improve the rigidity of the rear end of the hydraulic pump, thereby increasing the overall stability of the hydraulic pump during operation and reducing the fracture failure rate of the flange of the hydraulic pump shell; the hydraulic pump auxiliary supporting device has two dampers arranged above and below, can constrain the up-down displacement of the hydraulic pump, can effectively attenuate the vibration of the hydraulic pump, and can effectively protect the shell of the hydraulic pump.

[0041] In addition, those skilled in the art can understand that, although some embodiments described herein include certain features contained in other embodiments rather than other features, combinations of features of different embodiments also mean to be within the protection scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use in a combined manner according to the known technical solutions and the technical problems to be solved in the application.

Claims

1. A hydraulic pump assisted support device, characterized by, The utility model relates to a hydraulic pump auxiliary support device for backfill compactor, comprising: a bent plate (2) bent in L shape, having a vertical end and a horizontal end, the vertical end of which is connected with the rear pump of a hydraulic pump; a support plate (6) bent in L shape, having a vertical end and a horizontal end, the vertical end of which is connected with a vehicle frame; two shock absorbers (5) symmetrically installed on the upper side and the lower side of the horizontal end of the bent plate (2), the horizontal end of the support plate (6) being connected with the bottom of the lower shock absorber (5), and the bent plate (2), the support plate (6) and the two shock absorbers (5) being connected through connecting members.

2. A hydraulic pump assist support device according to claim 1, characterized by The bent plate (2) and the hydraulic pump, and the support plate (6) and the vehicle frame are connected through bolts.

3. A hydraulic pump assist support device according to claim 2, wherein The vertical end of the bent plate (2) is provided with two bolt holes (22) arranged along the left-right direction, and the vertical end of the support plate (6) is provided with two bolt holes (62) arranged along the vertical direction.

4. The hydraulic pump assist support device of claim 1, wherein, The shock absorbers (5) are connected with the bent plate (2) and the support plate (6) through bolts and are fastened through nuts (7).

5. A hydraulic pump assist support device according to claim 4, wherein The horizontal end of the bent plate (2) is provided with a positioning circular hole (21), and one end of the shock absorber (5) is provided with a positioning step (51), the positioning steps (51) of the two shock absorbers (5) being correspondingly installed in the positioning circular hole (21).

6. A hydraulic pump assist support device according to claim 4 or 5, characterized by The horizontal end of the support plate (6) is provided with a positioning long circular hole (61) arranged along the front-rear direction.

7. The hydraulic pump assist support device of claim 4, wherein, A gasket (4) is installed between the upper shock absorber (5) and the bolt head of the bolt, and between the lower shock absorber (5) and the horizontal end of the support plate (6).

8. The hydraulic pump assist support device of claim 1, wherein, The shock absorber (5) is made of high-damping rubber material.

9. The hydraulic pump assist support device of claim 1, wherein, The middle part of the bent plate (2) is provided with a weight-reducing hole (23).

10. A backfill compactor characterized by, The backfill compactor is provided with the hydraulic pump auxiliary support device according to any one of claims 1-9.

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