CN210565033U - Novel runner axial plunger pump - Google Patents
Novel runner axial plunger pump Download PDFInfo
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- CN210565033U CN210565033U CN201921391458.9U CN201921391458U CN210565033U CN 210565033 U CN210565033 U CN 210565033U CN 201921391458 U CN201921391458 U CN 201921391458U CN 210565033 U CN210565033 U CN 210565033U
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Abstract
A novel flow channel axial plunger pump comprises a cylinder body, a cylinder body oil distribution end face, a cylinder body oil port, an oil distribution disc kidney-shaped hole, a pump body oil distribution end face and a pump body oil port; the connecting surface of the cylinder body and the oil distribution disc is a cylinder body oil distribution end surface which is uniformly distributed with a plurality of cylinder body oil ports; a plurality of waist-shaped holes of the oil distribution disc are uniformly distributed on the oil distribution disc; the connecting surface of the pump body and the oil distribution disc is a pump body oil distribution end surface which is uniformly distributed with a plurality of pump body oil ports; the oil port of the cylinder body is correspondingly communicated with the waist-shaped hole of the oil distribution disc; the waist-shaped hole of the oil distribution disc is correspondingly communicated with the oil port of the pump body; the diameter of the oil port of the cylinder body is larger than that of the waist-shaped hole of the oil distribution disc, and the diameter of the waist-shaped hole of the oil distribution disc is larger than that of the oil port of the pump body; the utility model discloses a narrow runner under wide to having reduced the internal leakage and effectively having prevented too big thrust between the part, having guaranteed the vice normal oil supply of two pairs of friction. The oil distribution end surface of the cylinder body and the oil distribution end surface of the pump body are made of corrosion-resistant metal and are subjected to strengthening treatment; the oil distribution disc is made of corrosion-resistant metal and covers the composite polymer material layer, so that the service life is prolonged.
Description
Technical Field
The utility model belongs to the technical field of pump technique and specifically relates to a novel runner axial plunger pump for track switching system.
Background
The axial plunger pump realizes oil absorption and oil pressing by changing the volume of the sealed working cavity by means of reciprocating motion of the plunger in the cylinder body, and is widely adopted by a track switch system. With the large-scale development of the Chinese railways, the technical content is continuously improved, and various related technical indexes are not suitable for the development requirements. The axial plunger pump used in the railway track switch system has the advantages of small required flow, stable pressure, severe temperature interference resistance and long service life, the normal operation of more than 3000 hours needs to be ensured, the design and processing of each part are lean and refined, especially, two pairs of friction pairs, namely the oil distribution end face of the pump body and the oil distribution disc, the oil distribution disc and the oil distribution end face of the cylinder body, have extremely high requirements, and once any problem occurs, the axial plunger pump cannot normally operate. At present, the diameters and the center distances of three parts, namely a pump body oil port, an oil distribution disc waist-shaped hole and a cylinder body oil port, of an adopted axial plunger pump are all consistent, internal leakage is easy to generate, and the normal oil supply of two pairs of friction pairs, namely an oil distribution end face of a pump body, an oil distribution disc and an oil distribution end face of a cylinder body, cannot be guaranteed due to excessive reverse thrust among the parts. In order to adapt to the reconstruction of the axial plunger pump flow passage, the purpose that the internal leakage is prevented to achieve the normal oil supply of two pairs of friction pairs, namely the oil distribution end surface of the pump body, the oil distribution disc, the oil distribution end surface of the cylinder body and the oil distribution disc and the service life is prolonged, needs to be realized by the utility model.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a novel runner axial plunger pump.
The utility model provides a its technical problem take following technical scheme to realize:
a novel flow channel axial plunger pump comprises a cylinder body, a cylinder body oil distribution end face, a cylinder body oil port, an oil distribution disc kidney-shaped hole, a pump body oil distribution end face and a pump body oil port; the oil distribution disc does not rotate; the cylinder body and the pump body are respectively arranged on two sides of the oil distribution disc; the connecting surface of the cylinder body and the oil distribution disc is an oil distribution end surface of the cylinder body; a plurality of cylinder body oil ports are uniformly distributed in the circumferential direction of the oil distribution end surface of the cylinder body; a plurality of waist-shaped holes of the oil distribution disc are uniformly distributed in the circumferential direction of the oil distribution disc; the cylinder body oil ports are the same in number with the waist-shaped holes of the oil distribution disc and are correspondingly communicated with the oil ports; the diameter of the cylinder body oil port is larger than the diameter of the waist-shaped hole of the oil distribution disc, so that when oil flows to the oil distribution disc from the cylinder body, the diameter of the cylinder body oil port is increased, the pressure intensity is increased, and the internal leakage is reduced to ensure normal oil supply.
Preferably, the diameter of the oil port of the cylinder body is 3.3 mm; the diameter of the waist-shaped hole of the oil distribution disc is 3 mm.
Preferably, the connecting surface of the pump body and the oil distribution disc is the oil distribution end surface of the pump body; a plurality of pump body oil ports are uniformly distributed in the circumferential direction of the oil distribution end face of the pump body; the waist-shaped holes of the oil distribution disc are the same in number as the oil ports of the pump body and are correspondingly communicated with the oil ports of the pump body; the diameter of the waist-shaped hole of the oil distribution disc is larger than that of the oil port of the pump body, so that when oil flows to the pump body from the oil distribution disc, the diameter of the oil port of the pump body is reduced, the pressure is increased, and the internal leakage is reduced to ensure normal oil supply.
Preferably, the diameter of the pump body oil port is 2.5 mm.
Preferably, the novel flow channel axial plunger pump further comprises a plunger hole; the plunger piston hole is correspondingly communicated with the oil distribution end face of the cylinder body.
Preferably, the pump body oil port, the cylinder body oil port and the oil distribution disc waist-shaped hole are waist-shaped through holes.
Preferably, the oil distribution end face of the cylinder body is made of corrosion-resistant metal and is subjected to strengthening treatment.
Preferably, the oil distribution disc is made of corrosion-resistant metal and covers the composite polymer material layer.
Preferably, the oil distribution end face of the pump body is made of corrosion-resistant metal and is subjected to strengthening treatment.
The utility model has the advantages that:
1. the utility model comprises a cylinder body, a cylinder body oil distribution end face, a cylinder body oil port, an oil distribution disc waist-shaped hole, a pump body oil distribution end face and a pump body oil port; the cylinder body and the pump body are respectively arranged on two sides of the oil distribution disc; the connecting surface of the cylinder body and the oil distribution disc is an oil distribution end surface of the cylinder body; the connecting surface of the pump body and the oil distribution disc is the oil distribution end surface of the pump body; a plurality of cylinder body oil ports are uniformly distributed in the circumferential direction of the oil distribution end surface of the cylinder body; a plurality of waist-shaped holes of the oil distribution disc are uniformly distributed in the circumferential direction of the oil distribution disc; the cylinder body oil ports are the same in number with the waist-shaped holes of the oil distribution disc and are correspondingly communicated with the oil ports; a plurality of pump body oil ports are uniformly distributed in the circumferential direction of the oil distribution end face of the pump body; the waist-shaped holes of the oil distribution disc are the same in number as the oil ports of the pump body and are correspondingly communicated with the oil ports of the pump body; the diameter of the oil port of the cylinder body is larger than that of the waist-shaped hole of the oil distribution disc, the diameter of the waist-shaped hole of the oil distribution disc is larger than that of the oil port of the pump body, and the novel runner axial plunger pump adopts a runner which is wide at the top and narrow at the bottom, so that the oil is sufficiently supplied, the internal leakage is reduced, the overlarge back thrust between parts is effectively prevented, and the normal oil supply of two pairs of friction pairs is ensured.
2. In the utility model, the oil distribution end surface of the cylinder body is made of corrosion-resistant metal and is subjected to strengthening treatment; the oil distribution disc is made of corrosion-resistant metal and covers the composite polymer material layer; the oil distribution end face of the pump body is made of corrosion-resistant metal and is subjected to strengthening treatment, so that the service life is prolonged.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present invention.
In the figure: 1. a cylinder body; 101. an oil distribution end surface of the cylinder body; 102. a cylinder body oil port; 103. a plunger hole; 2. an oil distribution disc; 201. an oil distribution disc waist-shaped hole; 3. a pump body; 301. the oil distribution end face of the pump body; 302. and a pump body oil port.
Detailed Description
As shown in fig. 1, a novel flow channel axial plunger pump comprises a cylinder body 1, a cylinder body oil distribution end face 101, a cylinder body oil port 102, an oil distribution disc 2, an oil distribution disc waist-shaped hole 201, a pump body 3, a pump body oil distribution end face 301 and a pump body oil port 302; the oil distribution disc 2 does not rotate; the cylinder body 1 and the pump body 3 are respectively arranged on two sides of the oil distribution disc 2; the connecting surface of the cylinder body 1 and the oil distribution disc 2 is a cylinder body oil distribution end surface 101; a plurality of cylinder oil ports 102 are uniformly distributed in the circumferential direction of the cylinder oil distribution end surface 101; a plurality of oil distribution disc waist-shaped holes 201 are uniformly distributed in the circumferential direction of the oil distribution disc 2; the other end of the oil distribution end surface 101 of the cylinder body is correspondingly communicated with the plunger hole 103; the connecting surface of the pump body 3 and the oil distribution disc 2 is a pump body oil distribution end surface 301; a plurality of pump body oil ports 302 are uniformly distributed on the pump body oil distribution end surface 301 in the circumferential direction; the cylinder body oil port 102 is the same in number as the waist-shaped hole 201 of the oil distribution disc and is correspondingly communicated with the oil distribution disc; the waist-shaped holes 201 of the oil distribution disc are the same in number as the pump body oil ports 302 and are correspondingly communicated with the pump body oil ports; the diameter of the cylinder body oil port 102 is 3.3 mm; the diameter of the waist-shaped hole 201 of the oil distribution disc is 3 mm; the diameter of the pump body oil port 302 is 2.5 mm; the diameter of the cylinder body oil port 102 is larger than that of the oil distribution disc waist-shaped hole 201, the diameter of the oil distribution disc waist-shaped hole 201 is larger than that of the pump body oil port 302, and when oil flows to the pump body 3 from the cylinder body 1, the pressure is increased by adopting a flow passage with a wide upper part and a narrow lower part, and the normal oil supply is ensured by reducing the internal leakage.
In specific implementation, the novel flow channel axial plunger pump comprises a cylinder body 1, a cylinder body oil distribution end face 101, a cylinder body oil port 102, a plunger hole 103, an oil distribution disc 2, an oil distribution disc waist-shaped hole 201, a pump body 3, a pump body oil distribution end face 301 and a pump body oil port 302; a plunger arranged in the cylinder body 1 is contacted with a swash plate through a slipper, and the oil distribution disc 2 does not rotate; the cylinder body 1 and the pump body 3 are respectively arranged on two sides of the oil distribution disc 2; the connecting surface of the cylinder body 1 and the oil distribution disc 2 is a cylinder body oil distribution end surface 101; a plurality of cylinder oil ports 102 are uniformly distributed in the circumferential direction of the cylinder oil distribution end surface 101; the other end of the oil distribution end surface 101 of the cylinder body is correspondingly communicated with the plunger hole 103; a plurality of oil distribution disc waist-shaped holes 201 are uniformly distributed in the circumferential direction of the oil distribution disc 2; the connecting surface of the pump body 3 and the oil distribution disc 2 is the oil distribution end surface 301 of the pump body; a plurality of pump body oil ports 302 are uniformly distributed on the pump body oil distribution end surface 301 in the circumferential direction; the cylinder body oil port 102 is the same in number as the waist-shaped hole 201 of the oil distribution disc and is correspondingly communicated with the oil distribution disc; the waist-shaped holes 201 of the oil distribution disc are the same in number as the pump body oil ports 302 and are correspondingly communicated with the pump body oil ports; the pump body oil port 302, the cylinder body oil port 102 and the oil distribution disc waist-shaped hole 201 are waist-shaped through holes; the diameter of the cylinder body oil port 102 is 3.3 mm; the diameter of the waist-shaped hole 201 of the oil distribution disc is 3 mm; the diameter of the pump body oil port 302 is 2.5 mm; the diameter of the cylinder oil port 102 is larger than that of the oil distribution disc waist-shaped hole 201, and the diameter of the oil distribution disc waist-shaped hole 201 is larger than that of the pump body oil port 302; when the transmission shaft drives the cylinder body 1 to rotate, the plunger is pulled out or pushed back from the cylinder body 1 by the swash plate, the volume of the cylinder body 1 is changed continuously, oil suction or oil discharge is completed through the cylinder body oil port 102, the oil distribution disc waist-shaped hole 201 and the pump body oil port 302, and a flow passage with a wide upper part and a narrow lower part is adopted, so that oil is supplied fully, internal leakage is reduced, excessive reverse thrust between parts is effectively prevented, and normal oil supply of two pairs of friction pairs is ensured. The oil distribution end face 101 of the cylinder body is made of corrosion-resistant metal, and the oil distribution end face 101 of the cylinder body is subjected to strengthening treatment; the oil distribution disc 2 is made of corrosion-resistant metal and covers the composite polymer material layer; the pump body oil distribution end face 301 is made of corrosion-resistant metal, and the pump body oil distribution end face 301 is subjected to strengthening treatment, so that the service life is prolonged.
The working principle is as follows: a novel flow channel axial plunger pump comprises a cylinder body 1, a cylinder body oil distribution end face 101, a cylinder body oil port 102, a plunger hole 103, an oil distribution disc 2, an oil distribution disc waist-shaped hole 201, a pump body 3, a pump body oil distribution end face 301 and a pump body oil port 302; a plunger arranged in the cylinder body 1 is contacted with the swash plate through a slipper; the connecting surface of the cylinder body 1 and the oil distribution disc 2 is a cylinder body oil distribution end surface 101; a plurality of cylinder oil ports 102 are uniformly distributed on the circumferential direction of the cylinder oil distribution end surface 101; a plurality of oil distribution disc waist-shaped holes 201 are uniformly distributed in the circumferential direction of the oil distribution disc 2; the connecting surface of the pump body 3 and the oil distribution disc 2 is a pump body oil distribution end surface 301; a plurality of pump body oil ports 302 are uniformly distributed on the pump body oil distribution end surface 301 in the circumferential direction; the cylinder body oil ports 102 are the same in number with the waist-shaped holes 201 of the oil distribution disc and are correspondingly communicated with the oil distribution disc; the waist-shaped holes 201 of the oil distribution disc are the same as the oil ports 302 of the pump body in number and are correspondingly communicated; the diameter of the cylinder body oil port 102 is larger than the diameter of the waist-shaped hole 201 of the oil distribution disc, and the diameter of the waist-shaped hole 201 of the oil distribution disc is larger than the diameter of the pump body oil port 302; when the transmission shaft drives the cylinder body 1 to rotate, the plunger is pulled out or pushed back from the cylinder body 1 by the swash plate, the volume of the cylinder body 1 is changed continuously, and oil suction or oil discharge is completed through the cylinder body oil port 102, the oil distribution disc waist-shaped hole 201 and the pump body oil port 302.
The utility model comprises a cylinder body 1, a cylinder body oil distribution end face 101, a cylinder body oil port 102, an oil distribution disc 2, an oil distribution disc waist-shaped hole 201, a pump body 3, a pump body oil distribution end face 301 and a pump body oil port 302; the connecting surface of the cylinder body 1 and the oil distribution disc 2 is a cylinder body oil distribution end surface 101; a plurality of cylinder oil ports 102 are uniformly distributed on the circumferential direction of the cylinder oil distribution end surface 101; a plurality of oil distribution disc waist-shaped holes 201 are uniformly distributed in the circumferential direction of the oil distribution disc 2; the connecting surface of the pump body 3 and the oil distribution disc 2 is a pump body oil distribution end surface 301; a plurality of pump body oil ports 302 are uniformly distributed on the pump body oil distribution end surface 301 in the circumferential direction; the cylinder body oil ports 102 are the same in number with the waist-shaped holes 201 of the oil distribution disc and are correspondingly communicated with the oil distribution disc; the waist-shaped holes 201 of the oil distribution disc are the same as the oil ports 302 of the pump body in number and are correspondingly communicated; the diameter of the cylinder body oil port 102 is larger than the diameter of the waist-shaped hole 201 of the oil distribution disc, and the diameter of the waist-shaped hole 201 of the oil distribution disc is larger than the diameter of the pump body oil port 302; the flow channel with the wide upper part and the narrow lower part is adopted, so that the oil is fully supplied, the internal leakage is reduced, the excessive reverse thrust between the parts is effectively prevented, and the normal oil supply of the two pairs of friction pairs is ensured. The oil distribution end face 101 of the cylinder body is made of corrosion-resistant metal, and the oil distribution end face 101 of the cylinder body is subjected to strengthening treatment; the oil distribution disc 2 is made of corrosion-resistant metal and covers the composite polymer material layer; the pump body oil distribution end face 301 is made of corrosion-resistant metal, and the pump body oil distribution end face 301 is subjected to strengthening treatment, so that the service life is prolonged.
It should be emphasized that the embodiments of the present invention are illustrative and not restrictive, and therefore the present invention is not limited to the embodiments described in the detailed description, and all other embodiments derived from the technical solutions of the present invention by those skilled in the art also belong to the scope of the present invention.
Claims (9)
1. A novel runner axial plunger pump comprises a cylinder body (1), a cylinder body oil distribution end face (101), a cylinder body oil port (102), an oil distribution disc (2), an oil distribution disc waist-shaped hole (201), a pump body (3), a pump body oil distribution end face (301) and a pump body oil port (302); the oil distribution disc (2) does not rotate; the cylinder body (1) and the pump body (3) are respectively arranged on two sides of the oil distribution disc (2); the connecting surface of the cylinder body (1) and the oil distribution disc (2) is a cylinder body oil distribution end surface (101); a plurality of cylinder oil ports (102) are uniformly distributed on the circumferential direction of the cylinder oil distribution end surface (101); a plurality of oil distribution disc waist-shaped holes (201) are uniformly distributed in the circumferential direction of the oil distribution disc (2); the cylinder body oil ports (102) are the same in number as the waist-shaped holes (201) of the oil distribution disc and are correspondingly communicated with the waist-shaped holes; the method is characterized in that: the diameter of the cylinder body oil port (102) is larger than that of the waist-shaped hole (201) of the oil distribution disc, and when oil flows to the oil distribution disc (2) from the cylinder body (1), the diameter of the cylinder body oil port (102) is increased, pressure intensity is increased, internal leakage is reduced, and normal oil supply is guaranteed.
2. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the diameter of the cylinder body oil port (102) is 3.3 mm; the diameter of the waist-shaped hole (201) of the oil distribution disc is 3 mm.
3. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the connecting surface of the pump body (3) and the oil distribution disc (2) is the oil distribution end surface (301) of the pump body; a plurality of pump body oil ports (302) are uniformly distributed on the pump body oil distribution end surface (301) in the circumferential direction; the waist-shaped holes (201) of the oil distribution disc are the same in number as the oil ports (302) of the pump body and are correspondingly communicated with the oil ports; the diameter of the waist-shaped hole (201) of the oil distribution disc is larger than that of the oil port (302) of the pump body, so that when oil flows to the pump body (3) from the oil distribution disc (2), the diameter of the oil port (302) of the pump body is reduced, the pressure is increased, and the internal leakage is reduced to ensure normal oil supply.
4. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the diameter of the pump body oil port (302) is 2.5 mm.
5. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the novel flow channel axial plunger pump further comprises a plunger hole (103); the plunger hole (103) is correspondingly communicated with the oil distribution end face (101) of the cylinder body.
6. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the pump body oil port (302), the cylinder body oil port (102) and the oil distribution disc waist-shaped hole (201) are waist-shaped through holes.
7. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the oil distribution end face (101) of the cylinder body is made of corrosion-resistant metal, and the oil distribution end face (101) of the cylinder body is subjected to strengthening treatment.
8. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the oil distribution disc (2) is made of corrosion-resistant metal and covers the composite polymer material layer.
9. The novel flow channel axial plunger pump as claimed in claim 1, wherein: the oil distribution end face (301) of the pump body is made of corrosion-resistant metal, and the oil distribution end face (301) of the pump body is subjected to strengthening treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921391458.9U CN210565033U (en) | 2019-08-26 | 2019-08-26 | Novel runner axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921391458.9U CN210565033U (en) | 2019-08-26 | 2019-08-26 | Novel runner axial plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565033U true CN210565033U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921391458.9U Active CN210565033U (en) | 2019-08-26 | 2019-08-26 | Novel runner axial plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565033U (en) |
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2019
- 2019-08-26 CN CN201921391458.9U patent/CN210565033U/en active Active
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