CN216381842U

CN216381842U - Gear hydraulic pump with good transmission effect

Info

Publication number: CN216381842U
Application number: CN202123202889.6U
Authority: CN
Inventors: 徐威
Original assignee: Boca Hydraulic Shenzhen Co ltd
Current assignee: Boca Hydraulic Shenzhen Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-26
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a gear hydraulic pump with good transmission effect, which comprises a driving bin, a speed regulating gear bin and a pump body, wherein the speed regulating gear bin is provided with a filtering device and an air outlet, a connecting plate is arranged at the driving bin in the speed regulating gear bin, one side of the connecting plate close to the pump body is provided with an electric telescopic rod, the output end of the electric telescopic rod is respectively sleeved with a first driving gear and a second driving gear in sequence, a rotating shaft is arranged above the electric telescopic rod, one side of the rotating shaft close to the driving bin is provided with a cooling fan, the rotating shaft is sleeved with a first driven gear and a second driven gear which are matched with the first driving gear and the second driving gear for use, one side of the rotating shaft far away from the driving bin penetrates through the speed regulating gear bin and is connected with the pump body, the rotating speed of the rotating shaft is changed by arranging the first driving gear and the first driven gear, the second driving gear and the second driven gear to be matched with each other, so as to change the flow rate of the pump body, greatly protecting the service life of the motor.

Description

Gear hydraulic pump with good transmission effect

Technical Field

The utility model relates to the technical field of hydraulic pumps, in particular to a gear hydraulic pump with a good transmission effect.

Background

The hydraulic pump is a power element of a hydraulic system, and is an element which is driven by an engine or an electric motor, sucks oil from a hydraulic oil tank, forms pressure oil, discharges the pressure oil and sends the pressure oil to an execution element. The hydraulic pump is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure.

The flow rate of the gear hydraulic pump in the prior art is changed by adjusting the voltage, but the mode is easy to burn out the motor, so the gear hydraulic pump is not suitable for use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gear hydraulic pump with good transmission effect so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a gear hydraulic pump with good transmission effect comprises a driving bin, a speed regulating gear bin and a pump body, wherein the driving bin is arranged at one side of the speed regulating gear bin, close to the bottom, the pump body is arranged at the other side of the speed regulating gear bin close to the top end, the speed regulating gear bin is provided with a filtering device and an air outlet, a connecting plate is arranged in the speed regulating gear bin and positioned at the driving bin, one side of the connecting plate close to the pump body is provided with an electric telescopic rod, the output end of the electric telescopic rod is respectively sheathed with a first driving gear and a second driving gear in sequence, a rotating shaft is arranged above the electric telescopic rod, a cooling fan is arranged on one side of the rotating shaft close to the driving bin, the rotating shaft is sleeved with a first driven gear and a second driven gear which are matched with the first driving gear and the second driving gear for use, and one side, far away from the driving bin, of the rotating shaft penetrates through the speed regulating gear bin and is connected with the pump body.

As a preferable scheme of the present invention, the connecting plate and the electric telescopic rod are fixed by bolts, the first driving gear and the second driving gear are fixedly connected with the electric telescopic rod, the rotating shaft is respectively and fixedly connected with the first driven gear and the second driven gear, the rotating shaft is rotatably connected with the speed regulating gear bin by the second sealed bearing, and a distance between the first driven gear and the second driven gear is smaller than a distance between the first driving gear and the second driving gear.

As a preferable scheme of the utility model, the driving bin comprises a driving motor, an installation plate is arranged at the bottom of the driving motor, a protective cover is arranged outside the driving motor, and an output end of the driving motor penetrates through a side wall of the protective cover and is fixedly connected with the connecting plate.

As a preferable scheme of the present invention, the driving motor is fixedly connected to the mounting plate through a bolt, the protection cover is fixedly connected to the mounting plate through a bolt, and an output end of the driving motor is rotatably connected to a side wall of the protection cover through a first seal bearing.

According to the preferable scheme of the utility model, the bottom of the pump body is provided with a water inlet, the top end of the pump body is provided with a water outlet, a rotating shaft penetrating through the speed regulating gear bin is arranged in the pump body, the rotating shaft is provided with a plurality of pump blades, and two ends of the rotating shaft are rotatably connected with the pump body through a third sealing bearing.

As a preferable scheme of the present invention, the filtering device is fixedly connected to the speed regulation gear bin in a clamping manner, and the filtering device includes a first filtering cover and a second filtering cover, wherein the first filtering cover is disposed on a side of the second filtering cover away from the heat dissipation fan.

According to the preferable scheme of the utility model, the first filter cover and the second filter cover are in threaded connection, filter screens are arranged on the first filter cover and the second filter cover, a cavity is arranged between the first filter cover and the second filter cover, and activated carbon is arranged in the cavity.

Has the advantages that: when the electric fan is used, the driving motor is started firstly, the proper number of the driving gears and the proper number of the driven gears are selected according to the required rotating speed, when the speed needs to be increased, the first driving gear and the first driven gear are meshed with each other by stretching the electric telescopic rod, when the speed needs to be reduced, the second driving gear and the second driven gear are meshed with each other by contracting the electric telescopic rod, then the rotating shaft is driven to rotate by the driven gear or the second driven gear, and the fan and the pump body are driven to rotate.

Drawings

FIG. 1 is an internal view of a geared hydraulic pump with good transmission effect according to the present invention;

FIG. 2 is an internal view of a speed regulation gear chamber of a gear hydraulic pump with good transmission effect;

fig. 3 is a perspective view of a filter device of a gear hydraulic pump with good transmission effect.

In the figure: 1. a driving bin; 101. a drive motor; 102. mounting a plate; 103. a protective cover; 104. a first sealed bearing; 2. a speed regulating gear bin; 201. a connecting plate; 202. an electric telescopic rod; 203. a first drive gear; 204. a second driving gear; 205. a rotating shaft; 206. a heat radiation fan; 207. a first driven gear; 208. a second driven gear; 209. a second sealed bearing; 3. a filtration device; 301. a first filter cover; 302. a second filter cover; 303. filtering with a screen; 304. a cavity; 4. an air outlet; 5. a pump body; 501. A pump blade; 502. a water inlet; 503. a water outlet; 504. and a third sealed bearing.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution: a gear hydraulic pump with good transmission effect comprises a driving bin 1, a speed regulation gear bin 2 and a pump body 5, wherein the driving bin 1 is arranged at one side of the speed regulation gear bin 2 and close to the bottom, the pump body 5 is arranged at the other side of the speed regulation gear bin 2 and close to the top, a filtering device 3 and an air outlet 4 are arranged on the speed regulation gear bin 2, a connecting plate 201 is arranged at the driving bin 1 in the speed regulation gear bin 2, an electric telescopic rod 202 is arranged at one side of the connecting plate 201 close to the pump body 5, the output end of the electric telescopic rod 202 is respectively and sequentially sleeved with a first driving gear 203 and a second driving gear 204, a rotating shaft 205 is arranged above the electric telescopic rod 202, a cooling fan 206 is arranged at one side of the rotating shaft 205 close to the driving bin 1, a first driven gear 207 and a second driven gear 208 which are matched with the first driving gear 203 and the second driving gear 204 are sleeved on the rotating shaft 205, one side of the rotating shaft 205, which is far away from the driving bin 1, penetrates through the speed regulating gear bin 2 and is connected with the pump body 5.

In an embodiment, referring to fig. 1 and fig. 2, the connecting plate 201 is fixed to the electric telescopic rod 202 through bolts, the first driving gear 203 and the second driving gear 204 are fixedly connected to the electric telescopic rod 202, the rotating shaft 205 is respectively fixedly connected to the first driven gear 207 and the second driven gear 208, the rotating shaft 205 is rotatably connected to the speed regulating gear bin 2 through a second seal bearing 209, a distance between the first driven gear 207 and the second driven gear 208 is smaller than a distance between the first driving gear 203 and the second driving gear 204, the driving bin 1 includes a driving motor 101, an installation plate 102 is disposed at the bottom of the driving motor 101, a protection cover 103 is disposed outside the driving motor 101, an output end of the driving motor 101 penetrates through a side wall of the protection cover 103 and is fixedly connected to the connecting plate 201, and the driving motor 101 is fixedly connected to the installation plate 102 through bolts, through bolt fixed connection between safety cover 103 and the mounting panel 102, rotate through first sealed bearing 104 between the output of driving motor 101 and the lateral wall of safety cover 103 and be connected, the bottom of the pump body 5 is equipped with water inlet 502, the top of the pump body 5 is equipped with delivery port 503, be equipped with the pivot 205 that runs through out in the speed governing gear storehouse 2 in the pump body 5, be equipped with a plurality of pump machine blade 501 in the pivot 205, rotate through third sealed bearing 504 between the both ends of pivot 205 and the pump body 5 and be connected.

In an embodiment, referring to fig. 1 and fig. 3, the filtering device 3 is fixedly connected to the speed adjusting gear bin 2 in a clamping manner, the filtering device 3 includes a first filtering cover 301 and a second filtering cover 302, wherein the first filtering cover 301 is disposed on one side of the second filtering cover 302 away from the heat dissipation fan 206, the first filtering cover 301 and the second filtering cover 302 are connected in a threaded manner, the first filtering cover 301 and the second filtering cover 302 are both provided with filtering nets 303, a cavity 304 is disposed between the first filtering cover 301 and the second filtering cover 302, and activated carbon is disposed in the cavity 304.

The operation process comprises the following steps: when the electric fan is used, the driving motor is started firstly, the proper number of the driving gears and the proper number of the driven gears are selected according to the required rotating speed, when the speed needs to be increased, the first driving gear and the first driven gear are meshed with each other by stretching the electric telescopic rod, when the speed needs to be reduced, the second driving gear and the second driven gear are meshed with each other by contracting the electric telescopic rod, then the rotating shaft is driven to rotate by the driven gear or the second driven gear, and the fan and the pump body are driven to rotate.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an effectual gear hydraulic pump of transmission, includes drive storehouse (1), speed governing gear storehouse (2) and pump body (5), its characterized in that: the driving bin (1) is arranged at one side of the speed regulation gear bin (2) and close to the bottom, the pump body (5) is arranged at the other side of the speed regulation gear bin (2) and close to the top, the speed regulation gear bin (2) is provided with a filtering device (3) and an air outlet (4), a connecting plate (201) is arranged at the position, located in the driving bin (1), of the speed regulation gear bin (2), an electric telescopic rod (202) is arranged at one side, close to the pump body (5), of the connecting plate (201), the output end of the electric telescopic rod (202) is respectively and sequentially sleeved with a first driving gear (203) and a second driving gear (204), a rotating shaft (205) is arranged above the electric telescopic rod (202), a cooling fan (206) is arranged at one side, close to the driving bin (1), of the rotating shaft (205) is sleeved with a first driven gear (207) and a second driven gear (208) which are matched with the first driving gear (203) and the second driving gear (204), one side of the rotating shaft (205) far away from the driving bin (1) penetrates through the speed regulating gear bin (2) and is connected with the pump body (5).

2. The gear hydraulic pump with good transmission effect as claimed in claim 1, characterized in that: the connecting plate is fixed with the electric telescopic rod (202) through bolts, the first driving gear (203), the second driving gear (204) and the electric telescopic rod (202) are fixedly connected, the rotating shaft (205) is respectively fixedly connected with the first driven gear (207) and the second driven gear (208), the rotating shaft (205) and the speed regulating gear bin (2) are rotatably connected through the second sealing bearing (209), and the distance between the first driven gear (207) and the second driven gear (208) is smaller than the distance between the first driving gear (203) and the second driving gear (204).

3. The gear hydraulic pump with good transmission effect as claimed in claim 1, characterized in that: drive storehouse (1) includes driving motor (101), the bottom of driving motor (101) is equipped with mounting panel (102), driving motor (101) are equipped with safety cover (103) outward, the output of driving motor (101) pass the lateral wall of safety cover (103) and with connecting plate (201) between fixed connection.

4. The gear hydraulic pump with good transmission effect as claimed in claim 3, characterized in that: pass through bolt fixed connection between driving motor (101) and mounting panel (102), pass through bolt fixed connection between safety cover (103) and mounting panel (102), rotate through first sealed bearing (104) between the output of driving motor (101) and the lateral wall of safety cover (103) and be connected.

5. The gear hydraulic pump with good transmission effect as claimed in claim 1, characterized in that: the bottom of the pump body (5) is equipped with water inlet (502), the top of the pump body (5) is equipped with delivery port (503), be equipped with pivot (205) that run through out in the speed governing gear storehouse (2) in the pump body (5), be equipped with a plurality of pump machine blade (501) on pivot (205), rotate through third sealed bearing (504) between the both ends of pivot (205) and the pump body (5) and be connected.

6. The gear hydraulic pump with good transmission effect as claimed in claim 1, characterized in that: the filtering device (3) is fixedly connected with the speed regulation gear bin (2) in a clamping mode, the filtering device (3) comprises a first filtering cover (301) and a second filtering cover (302), and the first filtering cover (301) is arranged on one side, far away from the heat dissipation fan (206), of the second filtering cover (302).

7. The gear hydraulic pump with good transmission effect as claimed in claim 6, characterized in that: threaded connection between first filter lid (301) and the second filter lid (302), all be equipped with filter screen (303) on first filter lid (301) and the second filter lid (302), be equipped with cavity (304) between first filter lid (301) and the second filter lid (302), be equipped with active carbon in cavity (304).