CN102635548A - Screw pump bearing bracket - Google Patents
Screw pump bearing bracket Download PDFInfo
- Publication number
- CN102635548A CN102635548A CN2012101261546A CN201210126154A CN102635548A CN 102635548 A CN102635548 A CN 102635548A CN 2012101261546 A CN2012101261546 A CN 2012101261546A CN 201210126154 A CN201210126154 A CN 201210126154A CN 102635548 A CN102635548 A CN 102635548A
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- bearing
- screw pump
- installation seat
- carriage housing
- radial
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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention relates to a bearing bracket and in particular relates to a screw pump bearing bracket with a better vibration reduction denoising effect. The screw pump bearing bracket comprises a bracket shell, a bearing mounting seat, a thrust bearing and a radial bearing, wherein through holes are arranged at the two ends of the bracket shell, and a mechanical seal is arranged on one through hole; the thrust bearing and the radial bearing are arranged in the bearing mounting seat; and the bracket shell is connected with a speed reducer through a connection flange. When transferred to a transmission shaft, the axial force and radial force of the unit are balanced through the thrust bearing and the radial bearing respectively and transferred to the bracket shell and the seat bottom so that the operation of the speed reducer is not influenced by the axial force and the radial force and the operation stability is guaranteed. The screw pump bearing bracket provided by the invention can be widely applied to various screw pump units, and is especially suitable for a high-power heavy-load screw pump unit.
Description
Technical field
The invention belongs to the pump accessory technical field, be specifically related to a kind of screw pump bearing bracket.
Background technique
Screw pump is a kind of equipment that liquid is carried out supercharging, and its fitting device carriage plays the carrying effect to unit, to guarantee the equipment steady running.At present, the carriage that generally uses, its structure mainly comprises carriage housing and mechanical seal.Transmission shaft passes carriage, and with itself and carriage relative fixed, transmission shaft passes carriage and links to each other with speed reducer by mechanical seal.During equipment operation, its loading force comprises that axial force and radial force are passed to carriage and speed reducer through transmission shaft.For guaranteeing the stability of equipment operation; Existing technology with speed reducer that carriage is connected before thrust-bearing and radial bearing are set in the casing; Come balancing load power through thrust-bearing and radial bearing, but not quilt elimination fully of loading force, but part has passed to the output shaft of speed reducer.Cause speed reducer vibration and noise excessive thus, so that reduction of service life, when the high-power running of equipment, this problem is more outstanding.Therefore, reduce vibration equipment and reduce noise, particularly important to improving working environment with the reduction equipment loss.
Summary of the invention
Main purpose of the present invention provides the better screw pump bearing bracket of a kind of effect of vibration and noise reduction.
For realizing the foregoing invention purpose; The technological scheme that the present invention adopted is: a kind of screw pump bearing bracket; Comprise the carriage housing, carriage housing one end is provided with mechanical seal, it is characterized in that: in the described carriage housing Bearing Installation seat is set; Thrust-bearing and radial bearing are set in the Bearing Installation seat, and the carriage housing matches through described radial bearing, thrust-bearing and mechanical seal with the transmission shaft of screw pump.
Can be known by technique scheme: thrust-bearing and radial bearing are set in the Bearing Installation seat, and such setting makes the loading force that passes over through transmission shaft can be by thrust-bearing and radial bearing balance.The Bearing Installation seat is arranged in the carriage housing, and the carriage housing matches through radial bearing, thrust-bearing and mechanical seal with transmission shaft, utilizes the carriage housing that loading force is stopped, and avoids to the transmission of speed reducer direction.Therefore, such screw pump bearing bracket effective isolation the influence of loading force to speed reducer, thereby guaranteed the stability of equipment operation, improved working environment and reduced equipment loss.
Description of drawings
Fig. 1 is a whole-cutaway view of the present invention;
Fig. 2 is the schematic representation that the present invention is installed on screw pump.
Embodiment
For narrating conveniently, direction described in the literary composition is consistent with direction as shown.
Screw pump bearing bracket shown in accompanying drawing 1; Comprise carriage housing 6, carriage housing 6 two ends are provided with through hole, and an end through hole is provided with mechanical seal 5; The other end of carriage housing 6 is connected with speed reducer 11 through adpting flange 10; Bearing Installation seat 15 is set in the carriage housing 6, thrust-bearing 8 and radial bearing 9 are set in the Bearing Installation seat 15, carriage housing 6 matches through radial bearing 9, thrust-bearing 8 and mechanical seal 5 with transmission shaft 7.Key of the present invention is thrust-bearing 8 and radial bearing 9 are arranged in the Bearing Installation seat 15 in the carriage housing 6.
Further, shown in accompanying drawing 1, described Bearing Installation seat 15 and is positioned at the relative end of carriage housing 6 and mechanical seal 5 in a tubular form, and the termination of Bearing Installation seat 15 is connected with carriage housing 6 walls.Described Bearing Installation seat 15 is not limited to single shape, the preferred Bearing Installation seat 15 of the present invention in a tubular form, tubulose is installed and can be guaranteed that thrust-bearing 8 and radial bearing 9 are coaxial with transmission shaft 7.
Further, shown in accompanying drawing 1, described transmission shaft 7 passes adpting flange 10 and is connected with the output shaft of speed reducer 11.Guaranteed the coaxality of transmission shaft 7 like this, improved the stability of unit running with speed reducer 11.
Further, shown in accompanying drawing 1, described Bearing Installation seat 15 outer walls are provided with stiffening rib 17 to the extension of carriage housing 6 inwalls.Stiffening rib 17 the intensity that has increased Bearing Installation seat 15 is set, under the vibration operating mode, can avoid Bearing Installation seat 15 to receive stress to produce deformation, prevent effectively to have prolonged the working life of unit because deformation produces extruding and bump to transmission shaft 7.
Further, shown in accompanying drawing 1, described Bearing Installation seat 15 is the integrally casting moulding with stiffening rib 17 with carriage housing 6.Integrally casting has guaranteed the integrity of structure, and such structure helps loading force is stopped, and its sound construction is reliable simultaneously, can effectively avoid vibrating the loose of bottom bracket.
Further, shown in accompanying drawing 1, be provided with on the described Bearing Installation seat 15 and be convenient to inject the tank filler sleeve of lubricant oil and the obstruction adaptive with tank filler sleeve to radial bearing 9 and thrust-bearing 8; Bearing Installation seat 15 is provided with bearing cap 14 near the port of mechanical seal 5.The setting of tank filler sleeve is mainly used in adds oiling agent in bearing, reduce wearing and tearing; The setting of bearing cap 14 is mainly used in intrusion such as the foreign matter that the stops dust bearing does not overflow in bearing with the assurance oiling agent.
Further, shown in accompanying drawing 2, on the described carriage housing 6, a end that Bearing Installation seat 15 is set is connected with adpting flange 10 bolts, adpting flange 10 is one machine shaping with speed reducer 11.The direct-connected mode of adpting flange 10 and carriage housing 6 has avoided introducing the increase of the unit entire length that coupling brings and the reduction of transmission shaft 7 and speed reducer 11 coaxalitys.
Shown in the accompanying drawing 2, for the present invention applies to the schematic representation of screw pump unit, transmission shaft 7 links to each other with universal joint 4, and universal joint 4 is positioned at the threeway 3 that links to each other with mechanical seal 5, and universal joint 4 links to each other with screw rod 2, and screw rod 2 is positioned at stator 1, and speed reducer 11 is connected with motor 12.Stator 1, threeway 3, carriage housing 6 and speed reducer 11 all are fixedly mounted on the base 13.
During the unit running, motor 12 drives speed reducer 11, has passed to universal joint 4 to power through transmission shaft 7, and universal joint 4 drives screw rod 2 and in stator 1, does planetary motion, and liquid gets into from threeway 3 imports, discharges from outlet after the supercharging step by step through screw rod 2 and stator 1.Because screw rod 2 is planetary motion; Universal joint 4 is except self rotates, and simultaneously along with screw rod 2 is done planetary motion, unit produces radial force; And be delivered to radial force on the transmission shaft 7 through universal joint 4; Radial bearing 9 effect this moment balances radial force, and radial force passed to carriage housing 6, and then transferred to base 13.In like manner; The hydraulic pressure in unit outlet port is higher than the hydraulic pressure in the threeway 3, so from the outlet port to the threeway, produced differential pressure in 3, this differential pressure acts on screw rod 2 and produces axial forces with universal joint 4; When axial force transmission arrives transmission shaft 7; This moment thrust-bearing 8 balances axial force, and given carriage housing 6, and then transferred to base 13 axial force transmission.Carriage housing 6 and the integrality structure of Bearing Installation seat 15 have been blocked the transmission to speed reducer 11 of radial force and axial force; Make speed reducer 11 not receive the influence of loading force; And then avoid speed reducer 11 vibration and noise excessive, and guaranteed the stability of its work, reduced the loss of equipment; Prolong operating life, improved working environment.This invention can be widely used in all kinds of screw pump units, and high-power high capacity screw pump unit strong for vibration and that noise is serious is particularly suitable.
Claims (7)
1. screw pump bearing bracket; Comprise carriage housing (6); Carriage housing (6) one ends are provided with mechanical seal (5); It is characterized in that: Bearing Installation seat (15) is set in the described carriage housing (6), thrust-bearing (8) and radial bearing (9) are set in the Bearing Installation seat (15), carriage housing (6) matches through described radial bearing (9), thrust-bearing (8) and mechanical seal (5) with the transmission shaft (7) of screw pump.
2. screw pump bearing bracket according to claim 1 is characterized in that: described Bearing Installation seat (15) and is positioned at carriage housing (a 6) end relative with mechanical seal (5) in a tubular form, and the termination of Bearing Installation seat (15) is connected with carriage housing (6) wall.
3. screw pump bearing bracket according to claim 1 is characterized in that: described transmission shaft (7) passes adpting flange (10) and is connected with the output shaft of speed reducer (11).
4. screw pump bearing bracket according to claim 2 is characterized in that: described Bearing Installation seat (15) outer wall is provided with stiffening rib (17) to the extension of carriage housing (6) inwall.
5. screw pump bearing bracket according to claim 4 is characterized in that: described Bearing Installation seat (15) and stiffening rib (17) are the integrally casting moulding with carriage housing (6).
6. screw pump bearing bracket according to claim 5 is characterized in that: described Bearing Installation seat (15) is gone up to be provided with and is convenient to inject the tank filler sleeve of lubricant oil and the obstruction adaptive with tank filler sleeve to radial bearing (9) and thrust-bearing (8); Bearing Installation seat (15) inner port is provided with bearing cap (14).
7. according to any described screw pump bearing bracket in the claim 2 to 6; It is characterized in that: the end that Bearing Installation seat (15) was gone up, was provided with to described carriage housing (6) is connected with adpting flange (10) bolt, and adpting flange (10) is one machine shaping with speed reducer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126154.6A CN102635548B (en) | 2012-04-27 | 2012-04-27 | Screw pump bearing bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126154.6A CN102635548B (en) | 2012-04-27 | 2012-04-27 | Screw pump bearing bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102635548A true CN102635548A (en) | 2012-08-15 |
| CN102635548B CN102635548B (en) | 2016-02-24 |
Family
ID=46620078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210126154.6A Expired - Fee Related CN102635548B (en) | 2012-04-27 | 2012-04-27 | Screw pump bearing bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102635548B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593183A (en) * | 2018-05-11 | 2018-09-28 | 中国人民解放军战略支援部队航天工程大学 | Micromass cell culture device based on bearing |
| CN109046066A (en) * | 2018-08-21 | 2018-12-21 | 江苏甬金金属科技有限公司 | A kind of structure for preventing impeller to be eccentrically rotated |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572069Y (en) * | 2002-09-11 | 2003-09-10 | 田聚京 | Upper bearing seat capable of being lubricated |
| CN201121582Y (en) * | 2007-09-29 | 2008-09-24 | 天津泵业机械集团有限公司 | High-pressure large-flux single screw pump |
| CN201148970Y (en) * | 2008-01-18 | 2008-11-12 | 大港油田集团有限责任公司 | Double-screw rod delivery pump bearing support |
| CN201747656U (en) * | 2010-07-27 | 2011-02-16 | 季裕成 | Detachable bearing type bearing seat connecting structure for single-screw pump |
| CN202100453U (en) * | 2011-06-07 | 2012-01-04 | 江西新龙泵业科技制造有限公司 | Supporting type double-screw pump |
| CN202545245U (en) * | 2012-04-27 | 2012-11-21 | 马忠元 | Bearing bracket of screw pump |
-
2012
- 2012-04-27 CN CN201210126154.6A patent/CN102635548B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572069Y (en) * | 2002-09-11 | 2003-09-10 | 田聚京 | Upper bearing seat capable of being lubricated |
| CN201121582Y (en) * | 2007-09-29 | 2008-09-24 | 天津泵业机械集团有限公司 | High-pressure large-flux single screw pump |
| CN201148970Y (en) * | 2008-01-18 | 2008-11-12 | 大港油田集团有限责任公司 | Double-screw rod delivery pump bearing support |
| CN201747656U (en) * | 2010-07-27 | 2011-02-16 | 季裕成 | Detachable bearing type bearing seat connecting structure for single-screw pump |
| CN202100453U (en) * | 2011-06-07 | 2012-01-04 | 江西新龙泵业科技制造有限公司 | Supporting type double-screw pump |
| CN202545245U (en) * | 2012-04-27 | 2012-11-21 | 马忠元 | Bearing bracket of screw pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593183A (en) * | 2018-05-11 | 2018-09-28 | 中国人民解放军战略支援部队航天工程大学 | Micromass cell culture device based on bearing |
| CN109046066A (en) * | 2018-08-21 | 2018-12-21 | 江苏甬金金属科技有限公司 | A kind of structure for preventing impeller to be eccentrically rotated |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102635548B (en) | 2016-02-24 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20170427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |