CN215170572U

CN215170572U - Inclined shaft type plunger hydraulic pump shell

Info

Publication number: CN215170572U
Application number: CN202121452289.2U
Authority: CN
Inventors: 刘爱标
Original assignee: Chike Hydraulic Pump Shanghai Co ltd
Current assignee: Chike Hydraulic Pump Shanghai Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-14
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an inclined shaft type plunger hydraulic pump casing, which comprises an outer shell, the inside fixed mounting of shell has sealed bearing, sealed bearing's inner wall fixed mounting has the pivot, one side fixed mounting of pivot has the main shaft, the fixed surface of main shaft installs ball bearing, ball bearing's outer wall and shell fixed connection, the one end fixed mounting that the pivot was kept away from to the main shaft has ball socket dish, and the plunger hydraulic pump model is A2 VK. The sealing bearing and the ball bearing can increase the stability of the rotating shaft and the main shaft when the equipment runs, the oil filling hole can facilitate the addition of lubricating oil by workers, the lubricating oil can absorb heat generated by friction of all parts when the equipment runs and can also reduce the friction force among all parts, and therefore the problem that the normal use of the equipment is influenced due to the fact that heat is generated among all parts of the existing inclined shaft type plunger hydraulic pumps after the inclined shaft type plunger hydraulic pumps run for a long time due to the friction force is solved.

Description

Inclined shaft type plunger hydraulic pump shell

Technical Field

The utility model belongs to the technical field of the hydraulic pump and specifically relates to an inclined shaft formula plunger hydraulic pump shell is related to.

Background

In the hydraulic industry, common hydraulic pumps are divided into plunger pumps, gear pumps and vane pumps, wherein an axial plunger pump in the plunger pump is divided into a swash plate type axial plunger pump and an inclined shaft type axial plunger pump, a plunger in the inclined shaft type axial plunger pump is driven by a connecting rod and is subjected to small radial force, and an included angle exists between a transmission shaft and a cylinder axis, so that the displacement of the pump is large, and the conventional inclined shaft type plunger hydraulic pumps generate heat due to friction force among parts after long-time operation, so that the stability of equipment is reduced and the normal use of the equipment is influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides an oblique shaft type plunger hydraulic pump shell, overcome prior art not enough, aim at solving the problem that easily generates heat poor stability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inclined shaft formula plunger hydraulic pump casing, includes the shell, the inside fixed mounting of shell has sealed bearing, sealed bearing's inner wall fixed mounting has the pivot, one side fixed mounting of pivot has the main shaft, the fixed surface of main shaft installs ball bearing, ball bearing's outer wall and shell fixed connection.

The spindle is characterized in that a ball socket disc is fixedly mounted at one end, far away from the rotating shaft, of the spindle, a mandrel is movably connected to the center of the end face of the ball socket disc, plunger rods are movably connected to the peripheries, located on one side of the mandrel, of the ball socket disc, a cylinder body is fixedly mounted on one sides, far away from the ball socket disc, of the mandrel and the plunger rods, and a valve plate is rotatably connected to one side of the cylinder body.

As an optimal technical scheme of the utility model, the inside of shell is provided with the heat preservation sleeve, the inside of heat preservation sleeve is provided with electric heating coil, electric heating coil's fixed mounting has the heating wire, the fixed surface of shell installs the fixed plate.

As a preferred technical scheme of the utility model, the fixed orifices has been seted up to the inside of fixed plate, the quantity of fixed orifices is four, and four the fixed orifices sets up the four corners department at the fixed plate respectively.

As an optimized technical scheme of the utility model, the oil filler point has been seted up to the inside of shell, the inside threaded connection of oil filler point has sealed lid.

As an optimized technical scheme of the utility model, the surface of heating wire is provided with sealed piece.

As a preferred technical scheme of the utility model, the surface of valve plate is provided with the sealing ring, one side that the valve plate was kept away from to the sealing ring is with the inside wall fixed connection of shell.

As a preferred technical scheme of the utility model, one side fixed mounting of shell has the back lid, import and export have been seted up in proper order to the inside of back lid.

Compared with the prior art, the beneficial effects of the utility model are that:

the casing is applied to on the plunger hydraulic pump that the model is A2VK, the utility model discloses a shell, sealed bearing, the apparatus further comprises a rotating shaft, the main shaft, ball bearing, the ball socket dish, the dabber, the plunger rod, the cylinder body, the valve plate, the oil filler point, the design of sealed lid and sealing ring, sealed bearing and ball bearing can increase the stability of pivot and main shaft when equipment operation, the oil filler point can make things convenient for the staff to add lubricating oil, the heat that each part friction produced when lubricating oil can absorb equipment operation can also reduce the frictional force between each part simultaneously, thereby solved some current oblique axis formula plunger hydraulic pumps and can appear reducing the problem that equipment stability influences equipment normal use because of the reason of frictional force after long-time operation between each position.

The utility model discloses a design of shell, heat preservation sleeve, electric heating coil and heating wire, when severe cold weather, accessible heating wire heats electric heating coil, prevents the condition that the liquid of hydraulic pump the inside is frozen to guarantee that equipment can be normal operating under severe cold weather.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

Description of reference numerals:

1. a housing; 2. sealing the bearing; 3. a rotating shaft; 4. a main shaft; 5. a ball bearing; 6. a ball and socket disc; 7. a mandrel; 8. a plunger rod; 9. a cylinder body; 10. a valve plate; 11. a heat-insulating sleeve; 12. an electric heating coil; 13. heating the wire; 14. a fixing plate; 15. a fixing hole; 16. an oil filler hole; 17. a sealing cover; 18. a sealing block; 19. a seal ring; 20. a rear cover; 21. an inlet; 22. and (7) an outlet.

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 oblique plunger hydraulic pump housing includes a housing 1, a seal bearing 2 is fixedly installed inside the housing 1, the seal bearing 2 is used to keep the inside of the housing 1 in a sealed state, a rotating shaft 3 is fixedly installed on the inner wall of the seal bearing 2, a main shaft 4 is fixedly installed on one side of the rotating shaft 3, a ball bearing 5 is fixedly installed on the outer surface of the main shaft 4, the ball bearing 5 is used to stabilize the operation of the main shaft 4, and the outer wall of the ball bearing 5 is fixedly connected with the housing 1;

the end, far away from the rotating shaft 3, of the main shaft 4 is fixedly provided with a ball socket disc 6, the ball socket disc 6 is used for driving a mandrel 7 and a plunger rod 8 to synchronously rotate while rotating, the center of the end face of the ball socket disc 6 is movably connected with the mandrel 7, one side of the ball socket disc 6 is located on the periphery of the mandrel 7 and is movably connected with the plunger rod 8, the plunger rod 8 is used for alternately moving back and forth to generate an oil absorption and pressure oil absorption process, a cylinder body 9 is fixedly arranged on one side, far away from the ball socket disc 6, of the mandrel 7 and the plunger rod 8, and one side of the cylinder body 9 is rotatably connected with a valve plate 10.

Specifically, please refer to fig. 2 and 3, the inside of the housing 1 is provided with the thermal insulation sleeve 11, the thermal insulation sleeve 11 can keep the heat generated by the electric heating coil 12 from excessively losing due to the external severe cold weather for a long time, the inside of the thermal insulation sleeve 11 is provided with the electric heating coil 12, the fixed mounting of the electric heating coil 12 is provided with the heating wire 13, the outer surface of the housing 1 is fixedly provided with the fixing plate 14, through the housing 1, the thermal insulation sleeve 11, the electric heating coil 12 and the heating wire 13 are designed, when the severe cold weather, the electric heating coil 12 is heated by the heating wire 13, the situation that the liquid inside the hydraulic pump is frozen is prevented, thereby ensuring that the equipment can normally operate under the severe cold weather.

Specifically, referring to fig. 1, fixing holes 15 are formed in the fixing plate 14, the number of the fixing holes 15 is four, the four fixing holes 15 are respectively disposed at four corners of the fixing plate 14, and the fixing holes 15 facilitate fixing of the device.

Specifically, referring to fig. 1 and 2, an oil filling hole 16 is formed in the housing 1, a sealing cover 17 is screwed into the oil filling hole 16, and the oil filling hole 16 is convenient for a worker to add lubricating oil.

Specifically, referring to fig. 2, a sealing ring 19 is disposed on an outer surface of the port plate 10, a side of the sealing ring 19 away from the port plate 10 is fixedly connected to an inner side wall of the housing 1, and the sealing ring 19 prevents the lubricant from leaking to the rear cover 20.

Specifically, referring to fig. 2, a rear cover 20 is fixedly installed at one side of the housing 1, an inlet 21 and an outlet 22 are sequentially formed in the rear cover 20, and the inlet 21 and the outlet 22 enable the device to normally operate.

Specifically, referring to fig. 3, the outer surface of the heating wire 13 is provided with a sealing block 18, and the sealing block 18 can prevent external air from entering the heat-insulating sleeve 11 through the heating wire 13.

The working principle is as follows: through the design of the shell 1, the sealing bearing 2, the rotating shaft 3, the main shaft 4, the ball bearing 5, the ball socket plate 6, the mandrel 7, the plunger rod 8, the cylinder body 9, the valve plate 10, the oil filling hole 16, the sealing cover 17 and the sealing ring 19, the stability of the rotating shaft 3 and the main shaft 4 can be improved when the equipment runs by the sealing bearing 2 and the ball bearing 5, the oil filling hole 16 can facilitate the addition of lubricating oil by workers, the lubricating oil can absorb the heat generated by the friction of each part when the equipment runs and can also reduce the friction force among the parts, thereby solving the problem that the normal use of the equipment is influenced by the stability of the equipment due to the heating reduction caused by the friction force among the parts after the long-time running of the existing inclined shaft type plunger hydraulic pumps, through the design of the shell 1, the heat insulation sleeve 11, the electric heating coil 12 and the heating wire 13, when in severe cold weather, the electric heating coil 12 can be heated by the heating wire 13, the condition that the liquid in the hydraulic pump is frozen is prevented from occurring, so that the equipment can normally run in severe cold weather.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A slant shaft plunger hydraulic pump housing comprising a casing (1), characterized in that: a sealing bearing (2) is fixedly installed inside the shell (1), a rotating shaft (3) is fixedly installed on the inner wall of the sealing bearing (2), a main shaft (4) is fixedly installed on one side of the rotating shaft (3), a ball bearing (5) is fixedly installed on the outer surface of the main shaft (4), and the outer wall of the ball bearing (5) is fixedly connected with the shell (1);

the ball socket is characterized in that a ball socket disc (6) is fixedly mounted at one end, far away from the rotating shaft (3), of the main shaft (4), a mandrel (7) is movably connected to the center of the end face of the ball socket disc (6), plunger rods (8) are movably connected to the peripheries, located on one side of the mandrel (7), of one side, far away from the ball socket disc (6), of the mandrel (7) and the plunger rods (8), a cylinder body (9) is fixedly mounted on one side, far away from the ball socket disc (6), of the mandrel (4), and a valve plate (10) is rotatably connected to one side of the cylinder body (9).

2. The oblique axis plunger hydraulic pump housing of claim 1, wherein: the inside of shell (1) is provided with heat preservation sleeve (11), the inside of heat preservation sleeve (11) is provided with electric heating coil (12), the fixed mounting of electric heating coil (12) has heating wire (13), the fixed surface mounting of shell (1) has fixed plate (14).

3. The oblique axis plunger hydraulic pump housing of claim 2, wherein: fixing holes (15) are formed in the fixing plate (14), the number of the fixing holes (15) is four, and the four fixing holes (15) are respectively arranged at four corners of the fixing plate (14).

4. The oblique axis plunger hydraulic pump housing of claim 1, wherein: an oil filling hole (16) is formed in the shell (1), and a sealing cover (17) is connected to the inner portion of the oil filling hole (16) in a threaded mode.

5. The oblique axis plunger hydraulic pump housing of claim 2, wherein: the outer surface of the heating wire (13) is provided with a sealing block (18).

6. The oblique axis plunger hydraulic pump housing of claim 1, wherein: the outer surface of the valve plate (10) is provided with a sealing ring (19), and one side, far away from the valve plate (10), of the sealing ring (19) is fixedly connected with the inner side wall of the shell (1).

7. The oblique axis plunger hydraulic pump housing of claim 1, wherein: one side fixed mounting of shell (1) has back lid (20), import (21) and export (22) have been seted up in proper order to the inside of back lid (20).