CN210859246U - Petrochemical industry process pump - Google Patents
Petrochemical industry process pump Download PDFInfo
- Publication number
- CN210859246U CN210859246U CN201921423245.XU CN201921423245U CN210859246U CN 210859246 U CN210859246 U CN 210859246U CN 201921423245 U CN201921423245 U CN 201921423245U CN 210859246 U CN210859246 U CN 210859246U
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- pump
- dead lever
- rear end
- cover
- ring
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Abstract
The utility model discloses a petrochemical industry process pump, including the pump body, install in the pump shaft at pump body middle part through bolt fixed mounting in the rear end cap of pump body rear end and rotation, the rear portion welding of pump shaft has the holding ring, the holding ring rotates and installs in the inside of stop collar, the side and the dead lever welding of stop collar, the dead lever slides and sets up in the inside of supporting the cover, the dead lever has the ring baffle with the equal fixed mounting of tip of supporting the cover, two be provided with the spring between the ring baffle. This process pump can cushion the axial vibration that produces when the axle pump rotates, avoids the axial force of axle pump to cause the impact to the motor, guarantees the life of motor.
Description
Technical Field
The utility model belongs to the technical field of the process pump, concretely relates to petrochemical industry process pump.
Background
The chemical process pump is a general name of various pumps in the chemical production process. The pump has the advantages of high configuration power, high rotating speed, small integral volume, simple structure and convenient maintenance, but has high temperature, easy abrasion and large maintenance coefficient. The chemical process pumps are very diverse and can be divided into vane pumps such as centrifugal pumps, axial flow pumps, mixed flow pumps, partial flow pumps, vortex pumps and the like according to the action principle; positive displacement pumps, such as reciprocating pumps (including plunger pumps, piston pumps, diaphragm pumps, etc.); rotary pumps (including screw pumps, liquid ring pump gear pumps, sliding vane pumps, roots pumps, radial plunger pumps, etc.); other types of pumps may be classified as high pressure methylamine pumps, cryogenic pumps, phosphoric acid slurry pumps, etc., depending on the process or product characteristics.
Certain axial force can be generated in the high-speed rotation process of the shaft pump, the axial force of the pump shaft impacts an output shaft of the motor, and the motor is easy to break down after long-time use, so that the problem needs to be solved by targeted design.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a petrochemical industry process pump comes into operation to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a petrochemical industry process pump, includes the pump body, through bolt fixed mounting in the rear end cap of pump body rear end with rotate the pump shaft of installing in pump body middle part, the rear portion welding of pump shaft has the holding ring, the holding ring rotates and installs in the inside of stop collar, the side and the dead lever welding of stop collar, the dead lever slides and sets up in the inside of supporting the cover, the equal fixed mounting of tip of dead lever and support cover has annular baffle, two be provided with the spring between the annular baffle.
Preferably, a plurality of balls are rotatably mounted in the limiting sleeve, and the balls abut against the side wall of the positioning ring.
Preferably, the radius of the arc-shaped groove in the middle of the limiting sleeve is slightly larger than that of the positioning ring.
Preferably, the support sleeve is fixedly installed on the side wall of the rear end cover through a clamp, and the length of the support sleeve is greater than two thirds of the length of the fixing rod.
Preferably, a reinforcing rib is arranged between the fixing rod and the side wall of the limiting sleeve.
The utility model discloses a technological effect and advantage: this petrochemical industry process pump produces axial force when the pump shaft rotates, and the pump shaft drives the holding ring and rotates in the inside of the cover body to the holding ring drives the cover body and produces certain horizontal vibration, and the cover body drives the dead lever and slides in the inboard of supporting the cover, and the spring between the ring baffle receives the extrusion and produces restoring force, cushions the impact of pump shaft to motor output shaft, avoids the motor to receive the impact for a long time and breaks down, guarantees the life of motor.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the stop collar and the fixing rod;
fig. 3 is a cross-sectional view of the stop collar.
In the figure: 1. a pump body; 2. a rear end cap; 3. a pump shaft; 4. a positioning ring; 5. a limiting sleeve; 6. fixing the rod; 7. a support sleeve; 8. an annular baffle; 9. a spring; 10. a ball bearing; 11. reinforcing ribs; 12. and (5) clamping a hoop.
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.
The utility model provides a petrochemical industry process pump as shown in fig. 1-3, including the pump body 1, install in the rear end cap 2 at pump body 1 rear end and rotate the pump shaft 3 of installing in pump body 1 middle part through bolt fixed mounting, the rear portion welding of pump shaft 3 has holding ring 4, holding ring 4 rotates and installs in the inside of stop collar 5, the side and the dead lever 6 welding of stop collar 5, dead lever 6 slides and sets up in the inside of supporting cover 7, the equal fixed mounting of tip of dead lever 6 and supporting cover 7 has annular baffle 8, two be provided with spring 9 between the annular baffle 8. Produce axial force when pump shaft 3 rotates, pump shaft 3 drives holding ring 4 and rotates in the inside of the cover body to holding ring 4 drives the cover body and produces certain horizontal vibration, and the cover body drives dead lever 6 and slides in the inboard of supporting cover 7, and spring 9 between the ring baffle 8 receives the extrusion and produces the restoring force, cushions pump shaft 3 to the impact of motor output shaft, avoids the motor to receive the impact for a long time and breaks down, guarantees the life of motor.
A plurality of balls 10 are rotatably arranged inside the limiting sleeve 5, the balls 10 abut against the side wall of the positioning ring 4, and the balls 10 roll on the surface of the positioning plate in the process that the positioning plate rotates inside the limiting sleeve 5, so that the stability of the positioning plate in the rotation inside the limiting sleeve 5 is guaranteed.
The radius of the arc-shaped groove in the middle of the limiting sleeve 5 is slightly larger than that of the positioning ring 4, so that the friction force between the side wall of the positioning ring 4 and the inner wall of the limiting sleeve 5 is prevented from blocking the rotation of the shaft pump, and the stable rotation of the pump shaft 3 is ensured.
Support cover 7 through clamp 12 fixed mounting on the lateral wall of rear end housing 2, and support the length of cover 7 and be greater than two-thirds of dead lever 6 length, conveniently carry out the dismouting to members such as position sleeve, support cover 7, dead lever 6 to guarantee to support the supporting effect of cover 7 to dead lever 6, the torsional force of avoiding the position sleeve to receive makes dead lever 6 take place the slope.
And a reinforcing rib 11 is arranged between the fixing rod 6 and the side wall of the limiting sleeve 5, so that the connection strength between the fixing rod 6 and the limiting sleeve 5 is enhanced.
Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a petrochemical industry process pump, includes the pump body (1), through bolt fixed mounting in rear end cap (2) and the rotation of the pump body (1) rear end install in pump shaft (3) at pump body (1) middle part, its characterized in that: the welding of the rear portion of pump shaft (3) has holding ring (4), holding ring (4) are rotated and are installed in the inside of stop collar (5), the side and dead lever (6) welding of stop collar (5), dead lever (6) slide and set up in the inside of supporting cover (7), the equal fixed mounting of tip of dead lever (6) and support cover (7) has ring baffle (8), two be provided with spring (9) between ring baffle (8).
2. The petrochemical process pump according to claim 1, wherein: a plurality of balls (10) are rotatably arranged in the limiting sleeve (5), and the balls (10) abut against the side wall of the positioning ring (4).
3. The petrochemical process pump according to claim 2, wherein: the radius of the arc-shaped groove in the middle of the limiting sleeve (5) is slightly larger than that of the positioning ring (4).
4. The petrochemical process pump according to claim 1, wherein: the support sleeve (7) is fixedly arranged on the side wall of the rear end cover (2) through a hoop (12), and the length of the support sleeve (7) is greater than two thirds of the length of the fixing rod (6).
5. The petrochemical process pump according to claim 1, wherein: and a reinforcing rib (11) is arranged between the fixing rod (6) and the side wall of the limiting sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423245.XU CN210859246U (en) | 2019-08-29 | 2019-08-29 | Petrochemical industry process pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423245.XU CN210859246U (en) | 2019-08-29 | 2019-08-29 | Petrochemical industry process pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859246U true CN210859246U (en) | 2020-06-26 |
Family
ID=71301070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921423245.XU Active CN210859246U (en) | 2019-08-29 | 2019-08-29 | Petrochemical industry process pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045837A (en) * | 2022-08-12 | 2022-09-13 | 江苏振华海科装备科技股份有限公司 | Anti-cavitation centrifugal pump with vibration and noise reduction functions |
-
2019
- 2019-08-29 CN CN201921423245.XU patent/CN210859246U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045837A (en) * | 2022-08-12 | 2022-09-13 | 江苏振华海科装备科技股份有限公司 | Anti-cavitation centrifugal pump with vibration and noise reduction functions |
| CN115045837B (en) * | 2022-08-12 | 2022-11-11 | 江苏振华海科装备科技股份有限公司 | Anti-cavitation centrifugal pump with vibration and noise reduction functions |
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