CN209781192U - Sliding vane pump - Google Patents
Sliding vane pump Download PDFInfo
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- CN209781192U CN209781192U CN201920562209.5U CN201920562209U CN209781192U CN 209781192 U CN209781192 U CN 209781192U CN 201920562209 U CN201920562209 U CN 201920562209U CN 209781192 U CN209781192 U CN 209781192U
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- cover bearing
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Abstract
The utility model relates to a sliding vane pump, which comprises a pump body, a left pump cover, a right pump cover, a pump shaft, a stator, a rotor, a sliding vane, a left pump cover mechanical seal, a right pump cover bearing sleeve, a left pump cover bearing, a right pump cover bearing and a left pump cover bearing gland; the mechanical seal rotating ring component of the left pump cover and the mechanical seal rotating ring component of the right pump cover are respectively matched and arranged in a left end inner stop slot and a right end inner stop slot which are respectively arranged at the left end and the right end of a central shaft hole of the rotor; left and right mechanical seal drainage holes are correspondingly formed in the left and right pump covers and the left and right pump cover bearing sleeves; the left pump cover bearing (6a) of the non-driving end is a cylindrical roller bearing, a left pump cover bearing bush (61a) is matched with the left end shaft end of the pump shaft (3) through a conical surface, the right pump cover bearing (6b) of the driving end is a deep groove ball bearing, and a butterfly spring (36) is arranged between the inner side of the right pump cover bearing bush (61b) and a shaft shoulder (31) of the pump shaft (3); a left framework oil seal is arranged between the bearing sleeves of the left pump cover and the right pump cover and the pump shaft, and the left framework oil seal is good in structure and safe and reliable in use.
Description
Technical Field
The utility model relates to a sliding vane pump.
Background
The sliding vane pump comprises a pump body, a left pump cover, a right pump cover, a pump shaft, a stator, a rotor, a sliding vane, a safety valve, a left pump cover bearing sleeve, a left pump cover bearing, a left pump cover mechanical seal, a right pump cover bearing sleeve, a right pump cover bearing and a right pump cover mechanical seal.
the left pump cover bearing and the right pump cover bearing of the sliding vane pump in the prior art are self-aligning ball bearings, and the clearance between the rotor and the end surface of the left pump cover and the end surface of the right pump cover is completed by adjusting the self-aligning ball bearing locking nuts at the left end and the right end of the pump shaft, so that the clearance between the rotor and the end surface of the left pump cover and the end surface of the right pump cover is inconvenient to adjust; and the inner sleeve and the bearing bush of the self-aligning ball bearing are not fixed in the axial direction, and the inner sleeve and the bearing bush of the self-aligning ball bearing all generate axial float, so the self-aligning ball bearing is easy to wear and damage after long-term use. In addition, a shaft sealing device is not arranged between the left mechanical seal and the right mechanical seal and between the left bearing device and the right bearing device, and corrosive media leaked from the mechanical seals easily permeate into bearing cavities along shafts to damage the bearing devices. The pump has no anti-pumping protection device, so that no medium runs in the pump, and the abrasion of the sliding sheet is increased and the mechanical seal is damaged.
Disclosure of Invention
The utility model aims at the not enough improvement to above-mentioned prior art, provide a structurely good, use safe and reliable's gleitbretter pump.
the utility model discloses the gleitbretter pump is including the pump body 1, left pump cover 2a, right pump cover 2b, pump shaft 3, stator 11, rotor 12, gleitbretter 13, relief valve 14, left pump cover mechanical seal 4a, left pump cover bearing housing 5a, left pump cover bearing 6a, left pump cover bearing gland 7a, right pump cover mechanical seal 4b, right pump cover bearing housing 5b, right pump cover bearing 6b, right pump cover bearing gland 7 b.
The left pump cover 2a and the right pump cover 2b are respectively and fixedly connected with the left end seam allowance and the right end seam allowance of the pump body 1 through matched bolts.
A left end inner stop slot and a right end inner stop slot are respectively arranged at the left end and the right end of a central shaft hole of the rotor 12, and a left pump cover mechanical seal 4a movable ring assembly 41a and a right pump cover mechanical seal 4b movable ring assembly 41b are respectively installed in the left end inner stop slot and the right end inner stop slot which are respectively arranged at the left end and the right end of the central shaft hole of the rotor 12 in a matching manner; the left pump cover mechanical seal 4a static ring assembly 42a and the right pump cover mechanical seal 4b static ring assembly 42b are respectively arranged in an inner stop groove formed on the inner side ends of the left pump cover bearing sleeve 5a and the right pump cover bearing sleeve 5b in a matching manner; a left mechanical seal discharge hole 43a is formed in the outer ends of the left pump cover 2a and the left pump cover bearing sleeve 5a corresponding to the left pump cover mechanical seal 4a, and a right mechanical seal discharge hole 43b is formed in the outer ends of the right pump cover 2b and the right pump cover bearing sleeve 5b corresponding to the left pump cover mechanical seal 4 b.
the left pump cover bearing 6a and the right pump cover bearing 6b are respectively installed in an inner spigot groove formed in the outer side end of the left pump cover bearing sleeve 5a and an inner spigot groove formed in the outer side end of the right pump cover bearing sleeve 5b in a matched manner.
The left pump cover bearing sleeve 5a and the right pump cover bearing sleeve 5b are respectively matched with the rabbets of the left pump cover 2a and the right pump cover 2b, the left pump cover bearing gland 7a, the left pump cover bearing sleeve 5a and the left pump cover 2a are fixedly connected through bolts, and the right pump cover bearing gland 7b, the right pump cover bearing sleeve 5b and the right pump cover 2b are fixedly connected through bolts.
The left pump cover bearing 6a of the non-driving end is a cylindrical roller bearing, a left pump cover bearing bush 61a is arranged between the left pump cover bearing 6a and the pump shaft 3, the left pump cover bearing 6a is matched with an excircle spigot of the left pump cover bearing bush 61a, the left pump cover bearing bush 61a is matched with the left end shaft end of the pump shaft 3 through a conical surface, and the left pump cover bearing bush 61a is axially compressed and fixed through a left bush fastening nut 62a and a left bush fastening nut retaining pad 63 a.
The right pump cover bearing 6b at the driving end is a deep groove ball bearing, a right pump cover bearing bush 61b is arranged between the right pump cover bearing 6b and the pump shaft 3, the right pump cover bearing 6b is matched with an excircle rabbet of the right pump cover bearing bush 61b, a butterfly spring 36 is arranged between the inner side of the right pump cover bearing bush 61b and a shaft shoulder 31 of the pump shaft 3, and the right pump cover bearing bush 61b is axially pressed and fixed through a right bush fastening nut 62b and a right bush fastening nut retaining pad 63 b.
A left framework oil seal 35a is arranged between the left pump cover bearing sleeve 5a and the pump shaft 3, and a right framework oil seal 35b is arranged between the right pump cover bearing sleeve 5b and the pump shaft 3.
A pressure sensor 8 is provided at the inlet port 10 of the pump body 1. Whether the liquid inlet port 10 of the pump body 1 is negative pressure or not is detected, the automatic starting and stopping of the pump can be controlled by detecting the pressure state of the inlet of the pump, and the functions of low-pressure alarming and low-pressure stopping are achieved, so that the pumping is prevented from being vacuumized, and the requirements of remote control and field operation are met.
The utility model discloses the structurality is good, simple structure, and is small, uses safe and reliable.
The rotating ring assembly 41a of the left pump cover mechanical seal 4a and the rotating ring assembly 41b of the right pump cover mechanical seal 4b are respectively installed in the inner stop grooves formed in the left end and the right end of the central shaft hole of the rotor 12 in a matched mode, so that the left pump cover mechanical seal 4a and the right pump cover mechanical seal 4b can displace towards the center of the pump body, the length of the pump shaft 3 can be shortened, the manufacturing cost can be reduced, the distance between the left pump cover bearing 6a and the right pump cover bearing 6b can be shortened, and the operation of the pump shaft 3 is more balanced.
The non-drive end left pump cover bearing 6a of the utility model is a cylindrical roller bearing, and the coaxiality is good; the left pump cover bearing 6a is matched with an excircle spigot of a left pump cover bearing bush 61a, the left pump cover bearing bush 61a is matched with the left end shaft end of the pump shaft 3 through a conical surface, and the left pump cover bearing bush 61a is axially pressed and fixed through a left bush fastening nut 62a and a left nut retaining pad 63a, so that the pump shaft 3, the left pump cover bearing 6a and the left pump cover 2a are mutually and stably axially matched and positioned; meanwhile, the right pump cover bearing 6b at the driving end is a deep groove ball bearing, so that the coaxiality is good; a butterfly spring 36 is arranged between the inner side (left end) of the right pump cover bearing bush 61b and the shaft shoulder 31 of the pump shaft 3, and the right pump cover bearing bush 61b is axially compressed and fixed through a right bush fastening nut 62b and a right nut retaining pad 63b, so that the gap between the rotor 12 and the inner side end faces of the left pump cover 2a and the right pump cover 2b can be adjusted, determined and maintained through compression of the butterfly spring 36; and axial float is no longer produced between left pump cover bearing bush 61a and right pump cover bearing bush 61b and bearing inner race, between left pump cover bearing bush 61a and right pump cover bearing bush 61b and pump shaft 3, greatly reduced wearing and tearing, improved the life of pump, reduced cost of maintenance.
Be equipped with left skeleton oil blanket 35a between left pump cover bearing housing 5a and pump shaft 3, be equipped with right skeleton oil blanket 35b between right pump cover bearing housing 5b and pump shaft 3, separate mechanical seal chamber and bearing chamber, left skeleton oil blanket 35a and right skeleton oil blanket 35b prevent respectively that the corrosive medium that left pump cover mechanical seal 4a and right pump cover mechanical seal 4b oozed out from get into in left pump cover bearing 6a and the right pump cover bearing 6b, prevent that the corrosive medium from causing the bearing to damage, the life of bearing has been prolonged.
drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
fig. 2 is a left side partial cross-sectional view of fig. 1.
Detailed Description
The utility model discloses the gleitbretter pump is including the pump body 1, left pump cover 2a, right pump cover 2b, pump shaft 3, stator 11, rotor 12, gleitbretter 13, relief valve 14, left pump cover mechanical seal 4a, left pump cover bearing housing 5a, left pump cover bearing 6a, left pump cover bearing gland 7a, right pump cover mechanical seal 4b, right pump cover bearing housing 5b, right pump cover bearing 6b, right pump cover bearing gland 7 b.
The left pump cover 2a and the right pump cover 2b are respectively and fixedly connected with the left end seam allowance and the right end seam allowance of the pump body 1 through matched bolts.
A left end inner stop slot and a right end inner stop slot are respectively arranged at the left end and the right end of a central shaft hole of the rotor 12, and a left pump cover mechanical seal 4a movable ring assembly 41a and a right pump cover mechanical seal 4b movable ring assembly 41b are respectively installed in the left end inner stop slot and the right end inner stop slot which are respectively arranged at the left end and the right end of the central shaft hole of the rotor 12 in a matching manner; the left pump cover mechanical seal 4a static ring assembly 42a and the right pump cover mechanical seal 4b static ring assembly 42b are respectively arranged in an inner stop groove formed on the inner side ends of the left pump cover bearing sleeve 5a and the right pump cover bearing sleeve 5b in a matching manner; a left mechanical seal discharge hole 43a is formed in the outer ends of the left pump cover 2a and the left pump cover bearing sleeve 5a corresponding to the left pump cover mechanical seal 4a, and a right mechanical seal discharge hole 43b is formed in the outer ends of the right pump cover 2b and the right pump cover bearing sleeve 5b corresponding to the left pump cover mechanical seal 4 b.
The left pump cover bearing 6a and the right pump cover bearing 6b are respectively installed in an inner spigot groove formed in the outer side end of the left pump cover bearing sleeve 5a and an inner spigot groove formed in the outer side end of the right pump cover bearing sleeve 5b in a matched manner.
The left pump cover bearing sleeve 5a and the right pump cover bearing sleeve 5b are respectively matched with the rabbets of the left pump cover 2a and the right pump cover 2b, the left pump cover bearing gland 7a, the left pump cover bearing sleeve 5a and the left pump cover 2a are fixedly connected through bolts, and the right pump cover bearing gland 7b, the right pump cover bearing sleeve 5b and the right pump cover 2b are fixedly connected through bolts.
The left pump cover bearing 6a of the non-driving end is a cylindrical roller bearing, a left pump cover bearing bush 61a is arranged between the left pump cover bearing 6a and the pump shaft 3, the left pump cover bearing 6a is matched with an excircle spigot of the left pump cover bearing bush 61a, the left pump cover bearing bush 61a is matched with the left end shaft end of the pump shaft 3 through a conical surface, and the left pump cover bearing bush 61a is axially compressed and fixed through a left bush fastening nut 62a and a left bush fastening nut retaining pad 63 a.
The right pump cover bearing 6b at the driving end is a deep groove ball bearing, a right pump cover bearing bush 61b is arranged between the right pump cover bearing 6b and the pump shaft 3, the right pump cover bearing 6b is matched with an excircle rabbet of the right pump cover bearing bush 61b, a butterfly spring 36 is arranged between the inner side of the right pump cover bearing bush 61b and a shaft shoulder 31 of the pump shaft 3, and the right pump cover bearing bush 61b is axially pressed and fixed through a right bush fastening nut 62b and a right bush fastening nut retaining pad 63 b.
A left framework oil seal 35a is arranged between the left pump cover bearing sleeve 5a and the pump shaft 3, and a right framework oil seal 35b is arranged between the right pump cover bearing sleeve 5b and the pump shaft 3.
A pressure sensor 8 is provided at the inlet port 10 of the pump body 1.
Claims (1)
1. A sliding vane pump comprises a pump body (1), a left pump cover (2a), a right pump cover (2b), a pump shaft (3), a stator (11), a rotor (12), a sliding vane (13), a safety valve (14), a left pump cover mechanical seal (4a), a left pump cover bearing sleeve (5a), a left pump cover bearing (6a), a left pump cover bearing gland (7a), a right pump cover mechanical seal (4b), a right pump cover bearing sleeve (5b), a right pump cover bearing (6b) and a right pump cover bearing gland (7 b); the left pump cover (2a) and the right pump cover (2b) are respectively and fixedly connected with the left and right end rabbets of the pump body (1) through matching bolts; the method is characterized in that:
The left end and the right end of a central shaft hole of the rotor (12) are respectively provided with a left end inner stop slot and a right end inner stop slot, and a left pump cover mechanical seal (4a) movable ring assembly (41a) and a right pump cover mechanical seal (4b) movable ring assembly (41b) are respectively matched and arranged in the left end inner stop slot and the right end inner stop slot which are respectively arranged at the left end and the right end of the central shaft hole of the rotor (12); a left pump cover mechanical seal (4a) static ring assembly (42a) and a right pump cover mechanical seal (4b) static ring assembly (42b) are respectively installed in an inner spigot groove formed in the inner side ends of a left pump cover bearing sleeve (5a) and a right pump cover bearing sleeve (5b) in a matching manner; a left mechanical seal drainage hole (43a) is formed in the left pump cover (2a) and the left pump cover bearing sleeve (5a) and corresponds to the outer end of the left pump cover mechanical seal (4a), and a right mechanical seal drainage hole (43b) is formed in the right pump cover (2b) and the right pump cover bearing sleeve (5b) and corresponds to the outer end of the right pump cover mechanical seal (4 b);
The left pump cover bearing (6a) and the right pump cover bearing (6b) are respectively arranged in an inner spigot groove formed in the outer side end of the left pump cover bearing sleeve (5a) and an inner spigot groove formed in the outer side end of the right pump cover bearing sleeve (5b) in a matched manner;
the left pump cover bearing sleeve (5a) and the right pump cover bearing sleeve (5b) are respectively matched with the rabbets of the left pump cover (2a) and the right pump cover (2b), a left pump cover bearing gland (7a), the left pump cover bearing sleeve (5a) and the left pump cover (2a) are fixedly connected with each other through bolts, and a right pump cover bearing gland (7b), the right pump cover bearing sleeve (5b) and the right pump cover (2b) are fixedly connected with each other through bolts;
The left pump cover bearing (6a) at the non-driving end is a cylindrical roller bearing, a left pump cover bearing bush (61a) is arranged between the left pump cover bearing (6a) and the pump shaft (3), the left pump cover bearing (6a) is matched with an excircle spigot of the left pump cover bearing bush (61a), the left pump cover bearing bush (61a) is matched with the shaft end at the left end of the pump shaft (3) through a conical surface, and the left pump cover bearing bush (61a) is axially compressed and fixed through a left bush fastening nut (62a) and a left bush fastening nut retaining pad (63 a);
The right pump cover bearing (6b) at the driving end is a deep groove ball bearing, a right pump cover bearing bush (61b) is arranged between the right pump cover bearing (6b) and the pump shaft (3), the right pump cover bearing (6b) is matched with an excircle rabbet of the right pump cover bearing bush (61b), a butterfly spring (36) is arranged between the inner side of the right pump cover bearing bush (61b) and a shaft shoulder (31) of the pump shaft (3), and the right pump cover bearing bush (61b) is axially compressed and fixed through a right bush fastening nut (62b) and a right bush fastening nut retaining pad (63 b);
A left framework oil seal (35a) is arranged between the left pump cover bearing sleeve (5a) and the pump shaft (3), and a right framework oil seal (35b) is arranged between the right pump cover bearing sleeve (5b) and the pump shaft (3);
A pressure sensor (8) is arranged on a liquid inlet port (10) of the pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562209.5U CN209781192U (en) | 2019-04-24 | 2019-04-24 | Sliding vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562209.5U CN209781192U (en) | 2019-04-24 | 2019-04-24 | Sliding vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209781192U true CN209781192U (en) | 2019-12-13 |
Family
ID=68803844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920562209.5U Active CN209781192U (en) | 2019-04-24 | 2019-04-24 | Sliding vane pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209781192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882407A (en) * | 2019-04-24 | 2019-06-14 | 辽宁恒星泵业有限公司 | A kind of sliding-vane pump |
-
2019
- 2019-04-24 CN CN201920562209.5U patent/CN209781192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882407A (en) * | 2019-04-24 | 2019-06-14 | 辽宁恒星泵业有限公司 | A kind of sliding-vane pump |
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