CN216407157U - Hydraulic gear pump with noise reduction function - Google Patents

Abstract

The utility model discloses a hydraulic gear pump with noise reduction function, which comprises a box body, wherein soundproof cotton is arranged in the box body, a mounting plate is arranged in the pump body, the pump body is fixed above the mounting plate, a plurality of dampers are arranged below the mounting plate, supporting springs are sleeved outside the dampers, a plurality of partition plates are arranged in the box body, the box body is divided into at least three separate cavities by the plurality of partition plates, two ends of each partition plate are connected in the pump body, the mounting plate is positioned between a pair of partition plates, an opening is arranged above each separate cavity, and an openable baffle is connected above each opening. And influencing the judgment of the fault position and the fault type by workers.

Description

Hydraulic gear pump with noise reduction function

Technical Field

The utility model relates to the technical field of gear pumps, in particular to a hydraulic gear pump with a noise reduction function.

Background

The noise sources of the gear pump are various, mainly focus on the vibration of the pump body, generally speaking, the isolation of the pump body through a box body with soundproof cotton can effectively realize sound insulation and noise reduction, but the noise of the gear pump is not completely negative, when the gear pump has problems, the noise can be generated, the noise generated by the gear pump can assist workers in judging the problem sources of the current gear pump, such as the noise caused by the problem of managing the sealing property of a liquid inlet and a liquid outlet, the noise caused by the problem of connecting between a motor and a gear shaft and the like, the noise can be isolated by simply performing sealed sound insulation on the box body, and when the noise occurs at multiple positions of the gear pump, the noise can be mixed to be unfavorable for the workers to judge through sound.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems: the noise which can assist in judging a fault source can be isolated by simply sealing and insulating the box body, and when noises appear at a plurality of positions of the gear pump, the noises can be mixed to be unfavorable for the judgment of workers through the sound, the utility model provides a hydraulic gear pump with the noise reduction function, which comprises a pump body, a box body is arranged outside the pump body, soundproof cotton is arranged in the box body, a mounting plate is arranged in the pump body, a pump body is fixed above the mounting plate, a plurality of dampers are arranged below the mounting plate, supporting springs are sleeved outside the dampers, a plurality of clapboards are arranged in the box body and divide the box body into at least three separate cavities, the two ends of the partition plates are connected in the pump body, the mounting plate is located between the pair of partition plates, an opening is formed above the separating cavity, and an openable baffle is connected above the opening.

Through the technical scheme: divide the box into at least three and separate the chamber, make the three part (inlet, liquid outlet and gear shaft) that produces the trouble noise simultaneously to settle respectively at the intracavity that separates of difference, keep apart the noise that produces different positions when making an uproar, avoid mutual interference, influence the staff and judge trouble position and trouble type.

As a further improvement of the technical scheme, the partition plate is provided with a mounting opening, the upper end and the lower end of the inner side of the mounting opening are symmetrically provided with sliding grooves, a connecting plate is arranged in the mounting opening, the upper end and the lower end of the connecting plate are symmetrically provided with sliding plates, the sliding plates are slidably connected in the sliding grooves, and the connecting plate is provided with through holes.

As a further improvement of the technical scheme, a plurality of return springs are arranged in the sliding groove and are positioned outside the sliding plate.

As a further improvement of the technical scheme, the baffle is rotatably connected above the opening.

As a further improvement of the technical scheme, a sound recorder is arranged in the separating cavity and connected to the computer.

As a further improvement of the technical scheme, a through opening is formed in the side face of the box body.

The utility model has the technical effects and advantages that: divide the box into at least three partition chamber through the baffle that sets up, make the three part (inlet, liquid outlet and gear shaft) that produces the trouble noise simultaneously to settle respectively in the partition intracavity of difference, keep apart the noise that produces different positions when making an uproar, separate the chamber and still be equipped with opening or the recorder that can open, supply the staff to listen to the sound that separates the intracavity, avoid the sound mutual interference at different positions, influence the staff and judge fault location and fault type.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the construction of the partition and the connecting plate of the present invention;

FIG. 3 is a schematic cross-sectional view of the separator of the present invention;

fig. 4 is a second overall structural diagram of the present invention.

Description of reference numerals:

10. a pump body; 11. a box body; 12. sound insulation cotton; 13. an opening; 14. a baffle plate; 15. mounting a plate; 16. a damper; 17. a support spring; 18. a sound recorder;

20. a partition plate; 21. an installation port; 22. a connecting plate; 23. a sliding plate; 24. a return spring; 25. a chute.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Examples

Referring to fig. 1-4, the present embodiment provides a hydraulic gear pump with noise reduction function, including a pump body 10, a box 11 is disposed outside the pump body 10, soundproof cotton 12 is disposed inside the box 11, a mounting plate 15 is disposed inside the pump body 10, the pump body 10 is fixed above the mounting plate 15, a plurality of dampers 16 are disposed below the mounting plate 15, a support spring 17 is sleeved outside the dampers 16, a plurality of partition plates 20 are disposed inside the box 11, the box 11 is divided into at least three separate cavities by the plurality of partition plates 20, two ends of each partition plate 20 are connected inside the pump body 10, the mounting plate 15 is located between a pair of partition plates 20, the gear pump includes a liquid inlet, a liquid outlet and a gear shaft located in front of the pump body 10, three structures are respectively located inside the three separate cavities, an opening 13 is disposed above the separate cavities, an openable baffle 14 is connected above the opening 13, the noise that will interfere with each other is kept apart through separating the chamber, and the noise that different separate the intracavity can be absorbed the part by soundproof cotton 12 when the transmission to can not interfere with each other and influence the staff and judge the fault point, then through opening the baffle 14 that separates the chamber top, make the sound that separates the intracavity leak through opening 13, make things convenient for the staff to inspect.

In addition, as shown in fig. 2-3, in order to adapt to the slight displacement of the mounting plate 15 generated when the pump body 10 is damped, the partition plate 20 is provided with a mounting opening 21, the mounting opening 21 is provided with sliding grooves 25 symmetrically at the upper and lower ends inside the mounting opening, a connecting plate 22 is arranged inside the mounting opening 21, the connecting plate 22 is provided with sliding plates 23 symmetrically at the upper and lower ends inside the connecting plate 22, the sliding plates 23 are slidably connected inside the sliding grooves 25, the connecting plate 22 is provided with through holes, both the liquid inlet and the liquid outlet of the pump body 10 pass through the through holes of the connecting plate 22, the shape of the through holes of the connecting plate 22 is the same as that of the pump body 10, so that the fitting degree can be ensured to reduce the sound leakage, when the pump body 10 slightly moves along with the damper 16 and the supporting spring 17, the connecting plate 22 and the sliding plates 23 respectively move up and down in the mounting opening 21 and the sliding grooves 25, the sliding plates 23 are of plate-shaped structure, so as to effectively seal the gap between the connecting plate 22 and the partition plate 20, meanwhile, soundproof cotton 12 is arranged in the connecting plate 22 and the sliding plate 23 to improve the sound absorption effect.

Further, referring to fig. 3, in order to enable the connecting plate 22 to have a resetting effect, a plurality of return springs 24 are disposed in the sliding groove 25, the return springs 24 are located outside the sliding plate 23, the return springs 24 can be compressed by the sliding plate 23, and after the position of the pump body 10 is stabilized, the connecting plate 22 is reset under the support of the return springs 24, so that the fitting degree of the through hole of the connecting plate 22 and the pump body 10 is ensured, and the sound insulation effect is improved.

Further, referring to fig. 1, as an embodiment of the present invention, the baffle 14 is rotatably connected above the opening 13, and the baffle 14 can be rotated to enable the baffle 14 to have two states of covering above the opening 13 and not covering above the opening 13, so that when it is necessary to listen to sound inside the compartment, the opening 13 above the corresponding compartment is in an open state to facilitate sound leakage, the connection mode of the baffle 14 is not limited, and may also be an existing connection mode such as a hinge, a snap, etc., so that the opening 13 can have two states of opening and closing.

In addition, referring to fig. 4, as an embodiment of this embodiment, a sound recorder 18 is disposed in the compartment, the sound recorder 18 is connected to a computer, the sound recorder 18 uploads recorded data to the computer for recording while recording, so that sound can be retrieved for use, which is convenient for inspection and recording, and the sound recorder 18 may be installed in place of the opening 13 and the baffle 14 or in a condition that the opening 13 and the baffle 14 are reserved.

Further, referring to fig. 1-4, in order to ensure that the connection between the liquid inlet and the liquid outlet of the pump body 10 is located in the partition chamber, a through hole is formed in the side surface of the box body 11, and a pipeline connected to the liquid inlet and the liquid outlet is connected with the liquid inlet and the liquid outlet through the through hole.

The utility model provides a hydraulic gear pump with function of making an uproar falls, when using, at first the pump body 10 is along with the operation of the pump body 10 after the start-up, through mounting panel 15, 16 and the cooperation of supporting spring 17 are effectual absorbed and are alleviated the vibrations that the pump body 10 produced, thereby reduce the noise that pump body 10 self vibrations produced, then separate the inlet through baffle 20, drain outlet and gear shaft in different compartment, when a plurality of positions produced the noise simultaneously, will separate the noise that a plurality of positions produced through the compartment that baffle 20 formed, reduce the influence of the sound in the compartment to outside sound through soundproof cotton 12, then the staff can open baffle 14 and listen to the sound in the compartment from opening 13, also can examine the noise that the pump body 10 produced through the recording file that recorder 18 produced.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims (6)

1. The utility model provides a hydraulic gear pump with function of making an uproar is fallen, includes the pump body (10), be equipped with box (11) outward in the pump body (10), be equipped with soundproof cotton (12) in box (11), its characterized in that: be equipped with mounting panel (15) in the pump body (10), mounting panel (15) top is fixed with the pump body (10), mounting panel (15) below is equipped with a plurality of attenuator (16), attenuator (16) overcoat is equipped with supporting spring (17), be equipped with a plurality of baffles (20) in box (11), it is a plurality of baffle (20) divide box (11) into three compartment at least, the both ends of baffle (20) are connected in the pump body (10), mounting panel (15) are located between a pair of baffle (20), and opening (13) have been seted up to the compartment top, opening (13) top is connected with baffle (14) that can open.

2. The hydraulic gear pump with noise reduction function according to claim 1, characterized in that: the partition board (20) is provided with a mounting opening (21), sliding grooves (25) are symmetrically formed in the upper end and the lower end of the inner side of the mounting opening (21), a connecting plate (22) is arranged in the mounting opening (21), sliding plates (23) are symmetrically formed in the upper end and the lower end of the connecting plate (22), the sliding plates (23) are connected in the sliding grooves (25) in a sliding mode, and the connecting plate (22) is provided with through holes.

3. The hydraulic gear pump with noise reduction function according to claim 2, characterized in that: a plurality of return springs (24) are arranged in the sliding groove (25), and the return springs (24) are positioned outside the sliding plate (23).

4. The hydraulic gear pump with noise reduction function according to claim 1, characterized in that: the baffle (14) is rotatably connected above the opening (13).

5. The hydraulic gear pump with noise reduction function according to claim 1, characterized in that: a sound recorder (18) is arranged in the separate cavity, and the sound recorder (18) is connected to a computer.

6. The hydraulic gear pump with noise reduction function according to claim 1, characterized in that: the side surface of the box body (11) is provided with a through opening.

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