CN202545245U - Bearing bracket of screw pump - Google Patents
Bearing bracket of screw pump Download PDFInfo
- Publication number
- CN202545245U CN202545245U CN2012201933229U CN201220193322U CN202545245U CN 202545245 U CN202545245 U CN 202545245U CN 2012201933229 U CN2012201933229 U CN 2012201933229U CN 201220193322 U CN201220193322 U CN 201220193322U CN 202545245 U CN202545245 U CN 202545245U
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- CN
- China
- Prior art keywords
- bearing
- screw pump
- installation seat
- carriage housing
- radial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Support Of The Bearing (AREA)
Abstract
The utility model relates to a bearing bracket, and particularly relates to the bearing bracket of a screw pump with a better vibration damping and noise-reducing effect. The bearing bracket of the screw pump comprises a bracket shell, a bearing mounting seat, a thrust bearing and a radial bearing, wherein through holes are arranged at two ends of the bracket shell; a mechanical seal is arranged inside one through hole; the thrust bearing and the radial bearing are arranged inside the bearing mounting seat, and the bracket shell is connected with a speed reducer through a connection flange. An axial force and a radial force of a unit are respectively balanced through the thrust bearing and the radial bearing and transferred to the bracket shell so as to be transferred to a base when being transmitted to a transmission shaft, thus, operation of the speed reducer is not affected by the axial force and the radial force and stability in operation is ensured. The bearing bracket can be widely applied to various screw pump units, and especially suitable for high-power high-load screw pump units with strong vibration and serious noise.
Description
Technical field
The utility model belongs to the pump accessory technical field, is 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
The main purpose of the utility model 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 utility model 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 the whole-cutaway view of the utility model;
Fig. 2 is the schematic representation that the utility model 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.The key of the utility model 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 utility model 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.
Mechanical seal 5, thrust-bearing 8, radial bearing 9, bearing cap 14 and tank filler sleeve and obstruction thereof can get final product according to required selection with reference to existing technology.
Shown in the accompanying drawing 2, for the utility model applies to the schematic representation of screw pump unit, transmission shaft 7 links to each other with universal joint 4; Universal joint 4 is positioned at the threeway 3 that links to each other with mechanical seal 5; 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 |
|---|---|---|---|
| CN2012201933229U CN202545245U (en) | 2012-04-27 | 2012-04-27 | Bearing bracket of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201933229U CN202545245U (en) | 2012-04-27 | 2012-04-27 | Bearing bracket of screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545245U true CN202545245U (en) | 2012-11-21 |
Family
ID=47165888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201933229U Expired - Fee Related CN202545245U (en) | 2012-04-27 | 2012-04-27 | Bearing bracket of screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545245U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635548A (en) * | 2012-04-27 | 2012-08-15 | 马忠元 | Screw pump bearing bracket |
| CN106014975A (en) * | 2016-07-19 | 2016-10-12 | 江苏大学 | Cantilever type double-screw water-jet propulsion pump |
-
2012
- 2012-04-27 CN CN2012201933229U patent/CN202545245U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635548A (en) * | 2012-04-27 | 2012-08-15 | 马忠元 | Screw pump bearing bracket |
| CN102635548B (en) * | 2012-04-27 | 2016-02-24 | 马忠元 | Screw pump bearing bracket |
| CN106014975A (en) * | 2016-07-19 | 2016-10-12 | 江苏大学 | Cantilever type double-screw water-jet propulsion pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150427 |
|
| EXPY | Termination of patent right or utility model |