CN215213789U

CN215213789U - Plunger transmission disc for swash plate variable high-pressure plunger pump

Info

Publication number: CN215213789U
Application number: CN202120907857.7U
Authority: CN
Inventors: 武建华; 孙晓浩; 王福红; 唐雄飞
Original assignee: Jiangsu Kenaili Machinery Manufacturing Co ltd
Current assignee: Jiangsu Kenaili Machinery Manufacturing Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-17
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a plunger drive plate for swash plate variable high pressure plunger pump, which comprises a drive plate, wherein the center of the drive plate is provided with a drive hole, the drive hole penetrates through the drive plate, a drive shaft is fixedly arranged in the drive hole, a plurality of preformed holes are equidistantly arranged around the drive hole, plungers are fixedly arranged in the preformed holes, a boss is fixedly arranged on one side of the drive plate far away from the plungers, a fixing sleeve is sleeved on the boss, the outer wall of the boss is provided with external threads, the inner side of the fixing sleeve is provided with internal threads meshed with the external threads of the outer wall of the boss, a connecting rod is fixedly arranged on one side of the boss, clamping blocks are fixedly arranged on one side of the connecting rod, three groups of the clamping blocks are arranged and equidistantly distributed around the drive shaft, a flow distribution plate is sleeved on the boss, and one side of the flow distribution plate is connected with the drive plate, the utility model has simple and reasonable structure, novel design and is capable of effectively facilitating the assembly of users, has high practical value.

Description

Plunger transmission disc for swash plate variable high-pressure plunger pump

Technical Field

The utility model relates to a plunger pump technical field specifically is a plunger drive plate for swash plate variable high pressure plunger pump.

Background

The plunger pump is an important device of a hydraulic system, and realizes oil absorption and oil pressing by changing the volume of a sealed working cavity through the reciprocating motion of a plunger in a cylinder body. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions with high pressure, large flow and flow needing to be regulated, such as hydraulic machines, engineering machinery and ships, wherein the plunger transmission disc is an important component of a swash plate variable high-pressure plunger.

At present, the plunger transmission disc is inconvenient to install in the using and installing process, and the use of workers is influenced. Therefore, the plunger transmission disc for the swash plate variable high-pressure plunger pump is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a swash plate variable high pressure plunger pump is with plunger driving disk, including the driving disk, driving disk central point puts and has seted up the transmission hole, the transmission hole runs through the driving disk, the downthehole fixed mounting of transmission has the transmission shaft, a plurality of preformed holes have been seted up to the transmission hole equidistance all around, equal fixed mounting has the plunger in the preformed hole, the driving disk is keeping away from plunger one side fixed mounting and is having the boss, the cover is equipped with fixed sleeve on the boss, boss one side fixed mounting connecting rod, connecting rod one side fixed mounting has the clamp splice, the cover is equipped with the valve plate on the boss, just valve plate one side is connected with the driving disk.

As a preferred technical scheme of the utility model, the boss outer wall is equipped with the external screw thread, the fixed sleeve inboard is equipped with the internal thread with boss outer wall external screw thread intermeshing.

As an optimal technical scheme of the utility model, the clamp splice is provided with three groups to the equidistance distributes around the transmission shaft.

As an optimal technical scheme of the utility model, the clamp splice inboard is equipped with a plurality of archs, just be equipped with the fixture block with the mutual block of clamp splice on the transmission shaft.

As an optimal technical scheme of the utility model, spacing hole has been seted up to the fixing sleeve, spacing downthehole spacer pin that is equipped with, the spacer pin passes the fixing sleeve to extend to in the clamp splice.

As an optimal technical scheme of the utility model, a pair of distribution groove has been seted up to the symmetry on the valve plate, the distribution groove is waist shape hole.

As an optimal technical scheme of the utility model, the cover is equipped with the counting disc on the driving plate, a plurality of racks have been arranged to the equidistance on the counting disc.

As an optimized technical scheme of the utility model, driving plate, valve plate and counting disc are the alloy material.

The utility model has the advantages that:

1. according to the plunger transmission disc for the swash plate variable high-pressure plunger pump, the inner side of the fixing sleeve is provided with the inner threads meshed with the outer threads of the boss, so that the fixing of the transmission shaft is realized by rotating the fixing sleeve, the inner side of the clamping block is provided with the plurality of bulges, and the transmission shaft is provided with the clamping blocks clamped with the clamping blocks, so that the friction force between the clamping blocks and the transmission shaft is greatly increased, the fixing of the transmission shaft is realized, the phenomenon that the fixing sleeve is loosened in the rotating process of the transmission shaft is prevented by arranging the limiting pin, and the safety of the device is improved;

2. according to the plunger transmission disc for the swash plate variable high-pressure plunger pump, the counting disc is sleeved on the transmission disc, so that a worker can conveniently calculate the revolution of the plunger pump according to the number of turns of the counting disc, and convenience and applicability are provided for the worker to calculate and regulate;

3. this kind of plunger drive plate for swash plate variable high pressure plunger pump is the alloy material through drive plate, valve plate and counting disc, makes it have that hardness is big, anticorrosive, characteristics that the heat resistance is good, greatly increased product life, the utility model has the advantages of simple and reasonable structure, the modern design to can effective convenience of customers's equipment, higher practical value has.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a plunger drive plate for a swash plate variable high-pressure plunger pump according to the present invention;

FIG. 2 is a side view of a plunger driving plate for a swash plate variable high pressure plunger pump according to the present invention;

fig. 3 is the utility model discloses a plunger drive plate fixed sleeve cross-sectional view for sloping cam plate variable high pressure plunger pump.

In the figure: 1. a drive plate; 2. a valve plate; 3. reserving a hole; 4. a plunger; 5. a drive bore; 6. a drive shaft; 7. a distributing groove; 8. a boss; 9. fixing the sleeve; 10. a connecting rod; 11. a clamping block; 12. a spacing pin; 13. and (6) counting the disc.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a swash plate variable high pressure plunger pump is with plunger driving disk, including driving disk 1, driving disk 1 central point puts and has seted up drive hole 5, drive hole 5 runs through driving disk 1, fixed mounting has transmission shaft 6 in the drive hole 5, a plurality of preformed holes 3 have been seted up to drive hole 5 equidistance all around, equal fixed mounting has plunger 4 in the preformed hole 3, driving disk 1 is keeping away from 4 one side fixed mounting of plunger has boss 8, the cover is equipped with fixed sleeve 9 on the

boss

8, 8 one side fixed mounting connecting rod 10 of boss, 10 one side fixed mounting of connecting rod has clamp splice 11, the cover is equipped with valve plate 2 on the boss 8, just 2 one side of valve plate are connected with driving disk 1.

Wherein, 8 outer walls of boss are equipped with the external screw thread, fixed sleeve 9 inboard is equipped with the internal thread with 8 outer wall external screw threads intermeshing of boss, has realized that rotatory fixed sleeve 9 realizes fixing transmission shaft 6.

The clamping blocks 11 are provided with three groups and are distributed around the transmission shaft 6 at equal intervals, so that the transmission shaft 6 is fastened and fixed.

Wherein, the clamp splice 11 inboard is equipped with a plurality of archs, just be equipped with the fixture block with the mutual block of clamp splice 11 on the transmission shaft 6, great increase the frictional force of clamp splice 11 with transmission shaft 6, realize the fixed of transmission shaft 6.

The fixing sleeve 9 is provided with a limiting hole, a limiting pin 12 is arranged in the limiting hole, and the limiting pin 12 penetrates through the fixing sleeve 9 and extends into the clamping block 11.

The flow distribution plate 2 is symmetrically provided with a pair of flow distribution grooves 7, and the flow distribution grooves 7 are waist-shaped holes.

Wherein, the cover is equipped with counting disc 13 on the driving plate 1, a plurality of racks have been arranged equidistantly on counting disc 13, provide convenience and suitability for staff's calculation and regulation and control.

The transmission disc 1, the valve plate 2 and the counting disc 13 are all made of alloy materials, so that the valve plate has the characteristics of high hardness, corrosion resistance and good heat resistance, and the service life of a product is greatly prolonged.

The working principle is as follows: the plunger driving disc for the swash plate variable high-pressure plunger pump is characterized in that an inner thread meshed with an outer thread of a boss 8 is arranged on the inner side of a fixing sleeve 9, so that the fixing of a transmission shaft 6 is realized by rotating the fixing sleeve 9, a plurality of bulges are arranged on the inner side of a clamping block 11, a clamping block clamped with the clamping block 11 is arranged on the transmission shaft 6, the friction force between the clamping block 11 and the transmission shaft 6 is greatly increased, the fixing of the transmission shaft 6 is realized, a limiting pin 12 is arranged, the phenomenon that the fixing sleeve 9 is loosened in the rotating process of the transmission shaft 6 is prevented, the safety of the device is improved, a counting disc 13 is sleeved on the driving disc 1, a worker can conveniently calculate the revolution number of the plunger pump according to the number of revolutions of the counting disc 13, convenience and applicability are provided for the worker to calculate and regulate, and control, and the driving disc 1, a flow distribution disc 2 and the counting disc 13 are made of alloy materials, make it have hardness big, anticorrosive, the good characteristics of heat resistance, greatly increased product life, the utility model discloses, simple structure is reasonable, the modern design to can effective convenience of customers's equipment, higher practical value has.

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 plunger driving disc for a swash plate variable high-pressure plunger pump comprises a driving disc (1), it is characterized in that the center of the transmission disc (1) is provided with a transmission hole (5), the transmission hole (5) penetrates through the transmission disc (1), a transmission shaft (6) is fixedly arranged in the transmission hole (5), a plurality of preformed holes (3) are equidistantly arranged on the periphery of the transmission hole (5), plungers (4) are fixedly arranged in the preformed holes (3), a boss (8) is fixedly arranged on one side of the transmission disc (1) far away from the plunger (4), a fixed sleeve (9) is sleeved on the boss (8), a connecting rod (10) is fixedly arranged on one side of the boss (8), the clamping block (11) is fixedly mounted on one side of the connecting rod (10), the flow distribution plate (2) is sleeved on the boss (8), and one side of the flow distribution plate (2) is connected with the transmission plate (1).

2. The plunger drive plate for the swash plate variable high pressure plunger pump according to claim 1, wherein the outer wall of the boss (8) is provided with external threads, and the inner side of the fixing sleeve (9) is provided with internal threads which are meshed with the external threads on the outer wall of the boss (8).

3. The plunger drive plate for the swash plate variable high pressure plunger pump according to claim 1, wherein the clamping blocks (11) are provided in three groups and are equidistantly distributed around the drive shaft (6).

4. The plunger transmission disc for the swash plate variable high-pressure plunger pump according to claim 1, wherein a plurality of protrusions are arranged on the inner side of the clamping block (11), and a clamping block clamped with the clamping block (11) is arranged on the transmission shaft (6).

5. The plunger transmission disc for the swash plate variable high-pressure plunger pump according to claim 1, characterized in that the fixing sleeve (9) is provided with a limiting hole, a limiting pin (12) is arranged in the limiting hole, and the limiting pin (12) penetrates through the fixing sleeve (9) and extends into the clamping block (11).

6. The plunger transmission disc for the swash plate variable high-pressure plunger pump according to claim 1, characterized in that a pair of distributing grooves (7) are symmetrically formed on the distributing disc (2), and the distributing grooves (7) are kidney-shaped holes.

7. The plunger driving disc for the swash plate variable high-pressure plunger pump according to claim 1, characterized in that a counting disc (13) is sleeved on the driving disc (1), and a plurality of racks are arranged on the counting disc (13) at equal intervals.

8. The plunger driving disc for the swash plate variable high-pressure plunger pump according to claim 1, wherein the driving disc (1), the port plate (2) and the counting disc (13) are all made of alloy materials.