CN209802608U - Double-end sealing dynamic operation test bed - Google Patents
Double-end sealing dynamic operation test bed Download PDFInfo
- Publication number
- CN209802608U CN209802608U CN201920614297.9U CN201920614297U CN209802608U CN 209802608 U CN209802608 U CN 209802608U CN 201920614297 U CN201920614297 U CN 201920614297U CN 209802608 U CN209802608 U CN 209802608U
- Authority
- CN
- China
- Prior art keywords
- support
- motor
- main shaft
- double
- outer flange
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a dynamic operation test bench is sealed to bi-polar, constitute including first main shaft, motor, second main shaft and base. The structure of on-site machine pump has been simulated in this application, is equivalent to a double bracing pump, and bilateral symmetry respectively forms a seal chamber in motor both sides, respectively adorns one set of sealed in the seal chamber of both sides, drives sealed rotation through the motor to produce pressure in seal chamber, judge sealed whether there is the leakage according to the change of pressure, come the performance of inspection seal effectively through dynamic test, have the installation flexibility and the characteristics that the commonality is strong.
Description
Technical Field
the utility model relates to a mechanical seal's dynamic operation test field specifically indicates a bi-polar seals dynamic operation test platform.
Background
The mechanical seal is frequently subjected to seal leakage along with long-term operation of the pump, so that the leakage point is very important to check. The method for testing the sealing performance of the mechanical seal comprises a static leak source test and a dynamic leak source test, wherein the static leak source test is suitable for checking the leak of a pump in a static state and is suitable for the mechanical seal with obvious leak sources and large leak amount, but the test effect of the static leak source test is not obvious aiming at the seal with unobvious leak sources and difficult check. The dynamic leak point test is used for checking the leakage of the running pump, the leakage checking effect is relatively obvious, but the test wastes sealing liquid and influences the running condition of the pump. The mechanical seal running test bed in the prior art simulates the running working condition of a mechanical seal in a pump, and well solves the problems. But only drive mechanical seal through the one end of motor and examine, the operating balance nature is relatively poor when its motor attaches mechanical seal, can not simulate the operating condition of mechanical seal in the pump well, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to simulate mechanical seal operation condition in the pump better, improve mechanical seal's performance and the work efficiency of test bench, the utility model provides a bi-polar seals dynamic operation test bench for effectively inspect mechanical seal's sealing performance.
in order to achieve the purpose, the utility model is realized by the following technical scheme:
A double-end sealing dynamic operation test bed comprises a first main shaft, a motor, a second main shaft and a base. The two ends of the motor are respectively connected with the first main shaft and the second main shaft, and the bottom of the motor is connected with the base. One end of the motor is provided with a first inner flange, one end of the first inner flange is connected with one end of the motor, the other end of the first inner flange is provided with a first support, one end of the first support is connected with the other end of the first inner flange, the other end of the first support is provided with a first outer flange, one end of the first outer flange is connected with the other end of the first support, the other end of the first outer flange is provided with a first end cover, and the first end cover is connected with the other end of the first outer flange.
The other end of the motor is provided with a second inner flange, one end of the second inner flange is connected with one end of the motor, the other end of the second inner flange is provided with a second support, one end of the second support is connected with the other end of the second inner flange, the other end of the second support is provided with a second outer flange, one end of the second outer flange is connected with the other end of the second support, the other end of the second outer flange is provided with a second end cover, and the second end cover is connected with the other end of the second outer flange.
Compared with the prior art, the utility model has the advantages of it is following:
This application has simulated the structure of on-the-spot machine pump, is equivalent to a double bracing pump, and bilateral symmetry respectively forms a seal chamber in motor both sides, respectively adorns one set of sealed in the seal chamber of both sides, drives sealed rotation through the motor to produce pressure in seal chamber, judge sealed whether there is the leakage according to the change of pressure, through dynamic test come the performance of inspection seal effectively.
More preferably: the first spindle is provided with a first spindle sleeve, and the first spindle sleeve is connected with the first spindle. And a second shaft sleeve is arranged on the second main shaft and is connected with the second main shaft.
By adopting the technical scheme, the double-support pump is equivalent to a double-support pump, and two sets of seals can be simultaneously installed on the two shaft sleeves to test the sealing performance of the double-support pump.
More preferably: the first shaft sleeve and the second shaft sleeve are both reducing shaft sleeves.
By adopting the technical scheme, the sealing device can be used for installing the sealing with different shaft diameters and detecting the sealing with different shaft diameters, and is flexible to install and high in universality.
more preferably: the bottom of first support is provided with first pillar, the upper end of first pillar and the bottom welding of first support, and the lower extreme and the base of first pillar are connected.
By adopting the technical scheme, the first support is supported by the first support, and the first support is rigidly connected with the base, so that the purpose of supporting the whole test bed is achieved.
More preferably: the first support is made of No. 45 steel.
By adopting the technical scheme, the No. 45 steel has strong comprehensive mechanical property and higher strength, and the first support made of the No. 45 steel has strong bearing capacity and has good supporting effect on a test bed.
More preferably: the bottom of second support is provided with the second pillar, and the upper end of second pillar and the bottom welding of second support, the lower extreme and the base of second pillar are connected.
By adopting the technical scheme, the second support is supported by the second support column, and the second support is rigidly connected with the base, so that the purpose of supporting the whole test bed is achieved.
more preferably: the second support column is made of 45-grade steel.
By adopting the technical scheme, the No. 45 steel has strong comprehensive mechanical property and higher strength, and the first support made of the No. 45 steel has strong bearing capacity and has good supporting effect on a test bed.
Drawings
FIG. 1 is a schematic view of the present embodiment;
FIG. 2 is a schematic view of the present embodiment;
FIG. 3 is a schematic view of the present embodiment with the seal installed;
In the figures, 1-first spindle; 2, a motor; 3-a second spindle; 4-a first pressure gauge; 5-a second pressure gauge; 6-a first scaffold; 7-a second scaffold; 8-a first sleeve; 9-a second shaft sleeve; 10-a base; 11-a motor support; 12-a first outer flange; 13-a second outer flange; 14-a first inner flange; 15-a second inner flange; 16-a first end cap; 17-a second end cap; 18-a first sealed chamber; 19-a second sealed chamber; 20-a motor shaft; 21-a first baffle; 22-a second baffle; 60-a first strut; 70-a second strut; 100-a first seal; 101-a second seal; 200-a first oil inlet pipe; 201-a first oil outlet pipe; 300-a second oil inlet pipe; 301-second flowline.
Detailed Description
The present invention will be described in further detail with reference to fig. 1, 2 and 3.
As shown in fig. 1 and 2, a double-end sealing dynamic operation test bed is composed of a first spindle 1, a motor 2, a second spindle 3 and a base 10. Be provided with motor shaft 20 on the motor 2, motor shaft 20 can dismantle with motor 2 and be connected, and first main shaft 1 and second main shaft 3 are connected respectively to motor shaft 20's both ends. The bottom of motor 2 is provided with motor support 11, and the upper end of motor support 11 and the bottom welding of motor 2, the lower extreme of motor support 11 and base 10 pass through bolted connection.
One end of the motor 2 is provided with a first inner flange 14, one end of the first inner flange 14 is connected with one end of the motor 2 through a bolt, the other end of the first inner flange 14 is provided with a first bracket 6, and one end of the first bracket 6 is connected with the other end of the first inner flange 14 through a bolt. The other end of the first bracket 6 is provided with a first outer flange 12, one end of the first outer flange 12 is connected with the other end of the first bracket 6 through a bolt, the other end of the first outer flange 12 is provided with a first end cover 16, and the first end cover 16 is connected with the other end of the first outer flange 12 through a bolt. The first end cap 16 forms a first sealed cavity 18 with the first outer flange 12, the first bracket 6, and the first inner flange 14.
The top of the first end cover 16 is provided with a first pressure gauge 4, and the first pressure gauge 4 is connected with the top of the first end cover 16 through a nut. The bottom end of the first end cover 16 is provided with a first oil inlet pipe 200, and the first oil inlet pipe 200 is externally connected with a lubricating oil inlet pipe which is an existing standard component.
As shown in fig. 3, a first oil outlet pipe 201 is opened at the top of the first bracket 6, and the first oil outlet pipe 201 is externally connected with a lubricating oil outlet pipe, which is an existing standard component. The bottom of first support 6 is provided with first pillar 60, and the upper end of first pillar 60 and the bottom welding of first support 6, the lower extreme of first pillar 60 and base 10 pass through bolted connection, and first pillar 60 plays the effect of first support 6 and sealing member. In order to support the relatively heavy test tower and the sealing element, the first support column 60 is made of No. 45 steel, has good comprehensive mechanical property and higher strength, and can better play a supporting role.
The seals include a first seal 100 and a second seal 101.
in the first sealed cavity 18, one end of the motor rotating shaft 20 is provided with a first main shaft 1, and one end of the first main shaft 1 is detachably connected with one end of the motor rotating shaft 20. The other end of first main shaft 1 is provided with first baffle 21, and bolted connection is passed through with the other end of first main shaft 1 to first baffle 21, is provided with first axle sleeve 8 on the first main shaft 1, and first axle sleeve 8 is connected with 1 key-type of first main shaft. Referring to fig. 3, the first sleeve 8 is provided with a first seal member 100, and the first seal member 100 is detachably linked with the first sleeve 8.
The other end of motor 2 is provided with second inner flange 15, bolted connection is passed through with the one end of motor 2 to the one end of second inner flange 15, the other end of second inner flange 15 is provided with second support 7, bolted connection is passed through with the other end of second inner flange 15 to the one end of second support 7, the other end of second support 7 is provided with second outer flange 13, bolted connection is passed through with the other end of second support 7 to the one end of second outer flange 13, the other end of second outer flange 13 is provided with second end cover 17, second end cover 17 passes through bolted connection with the other end of second outer flange 13. The second end cap 17 forms a second sealed chamber 19 with the second outer flange 13, the second bracket 7 and the second inner flange 15.
The top of the second end cap 17 is provided with a second pressure gauge 5, and the second pressure gauge 5 is connected with the top of the second end cap 17 through a nut. The bottom of the second end cap 17 is provided with a second oil inlet pipe 300, the second oil inlet pipe 300 is externally connected with a lubricating oil inlet pipe, and the lubricating oil inlet pipe is an existing standard component.
As shown in fig. 3, a second oil outlet pipe 301 is opened at the top of the second support 7, and the second oil outlet pipe 301 is externally connected with a lubricating oil outlet pipe, which is a standard component. The bottom of the second bracket 7 is provided with a second pillar 70, the upper end of the second pillar 70 is welded with the bottom of the second bracket 7, the lower end of the second pillar 70 is connected with the base 10 through a bolt, and the second pillar 70 plays a role of the second bracket 7 and a sealing element. In order to support the relatively heavy test tower and the sealing element, the second support column 70 is made of No. 45 steel, has good comprehensive mechanical property and higher strength, and can better play a supporting role.
In the second seal cavity 19, the other end of the motor rotating shaft 20 is provided with a second main shaft 3, one end of the second main shaft 3 is detachably connected with the other end of the motor rotating shaft 20, the other end of the second main shaft 3 is provided with a second baffle 22, the second baffle 22 is connected with the other end of the second main shaft 3 through a bolt, a second shaft sleeve 9 is arranged on the second main shaft 3, and the second shaft sleeve 9 is connected with the second main shaft 3 in a key mode. Referring to fig. 3, a second seal 101 is disposed on the second sleeve 9, and the second seal 101 is detachably connected to the second sleeve 9.
The first main shaft 1 and the second main shaft 3 of difference diameter within phi 120 (contain phi 120) can be connected simultaneously at motor shaft 20's both ends, make this application seal all can carry out dynamic test to the difference diameter within the phi 120 diameter, and the installation is nimble, and the commonality is strong, and application scope is wide.
The test principle is as follows: lubricating oil is respectively injected from the first oil inlet pipe 200 and the second oil inlet pipe 300, so that the first sealing cavity 18 and the second sealing cavity 19 are filled with the lubricating oil, and the sealed friction pair is lubricated. The motor 2 is started, the motor rotating shaft 20 rotates at a high speed, the motor rotating shaft 20 simultaneously drives the first main shaft 1 and the second main shaft 3 to rotate, the first shaft sleeve 8 rotates along with the first main shaft 1, the first sealing element 100 rotates along with the first main shaft 1 to generate centrifugal force, pressure is formed in the centrifugal force first sealing cavity 18, a pressure value is displayed by the first pressure gauge 4, if the pressure value is kept stable within a certain range, no leak point exists in the first sealing element 100, the sealing performance of the first sealing element is good, if the pressure value fluctuates greatly and even drops quickly, a leak point exists in the first sealing element 100, and the sealing performance is poor. Meanwhile, the second shaft sleeve 9 rotates along with the second main shaft 3, the second sealing element 100 rotates along with the second main shaft 3 to generate centrifugal force, pressure is formed in the centrifugal force second sealing cavity 19, a pressure value is displayed by the second pressure gauge 5, if the pressure value is kept stable within a certain range, no leak point exists in the second sealing element 101, the sealing performance is good, and if the pressure value fluctuates greatly and even drops quickly, a leak point exists in the second sealing element 101, and the sealing performance is poor.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.
Claims (7)
1. A double-end sealing dynamic operation test bed comprises a first main shaft (1), a motor (2), a second main shaft (3) and a base (10); two ends of the motor (2) are respectively connected with the first main shaft (1) and the second main shaft (3); the bottom of the motor (2) is connected with the base (10); the method is characterized in that: a first inner flange (14) is arranged at one end of the motor (2), one end of the first inner flange (14) is connected with one end of the motor (2), a first support (6) is arranged at the other end of the first inner flange (14), one end of the first support (6) is connected with the other end of the first inner flange (14), a first outer flange (12) is arranged at the other end of the first support (6), one end of the first outer flange (12) is connected with the other end of the first support (6), a first end cover (16) is arranged at the other end of the first outer flange (12), and the first end cover (16) is connected with the other end of the first outer flange (12);
The other end of motor (2) is provided with second inner flange (15), the one end of second inner flange (15) with the other end of motor (2) is connected, the other end of second inner flange (15) is provided with second support (7), the one end of second support (7) with the other end of second inner flange (15) is connected, the other end of second support (7) is provided with second outer flange (13), the one end of second outer flange (13) with the other end of second support (7) is connected, the other end of second outer flange (13) is provided with second end cover (17), second end cover (17) with the other end of second outer flange (13) is connected.
2. The double-ended seal dynamic running test stand of claim 1, wherein: a first shaft sleeve (8) is arranged on the first main shaft (1), and the first shaft sleeve (8) is connected with the first main shaft (1); and a second shaft sleeve (9) is arranged on the second main shaft (3), and the second shaft sleeve (9) is connected with the second main shaft (3).
3. The double-ended seal dynamic running test stand of claim 2, wherein: the first shaft sleeve (8) and the second shaft sleeve (9) are both reducing shaft sleeves.
4. The double-ended seal dynamic running test stand of claim 1, wherein: the bottom of first support (6) is provided with first pillar (60), the upper end of first pillar (60) with the bottom welding of first support (6), the lower extreme of first pillar (60) with base (10) are connected.
5. The double-ended seal dynamic running test stand of claim 4, wherein: the first support column (60) is made of No. 45 steel.
6. The double-ended seal dynamic running test stand of claim 1, wherein: the bottom of second support (7) is provided with second pillar (70), the upper end of second pillar (70) with the bottom welding of second support (7), the lower extreme of second pillar (70) with base (10) are connected.
7. The double-ended seal dynamic running test rig of claim 6, wherein: the second support column (70) is made of No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920614297.9U CN209802608U (en) | 2019-04-29 | 2019-04-29 | Double-end sealing dynamic operation test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920614297.9U CN209802608U (en) | 2019-04-29 | 2019-04-29 | Double-end sealing dynamic operation test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802608U true CN209802608U (en) | 2019-12-17 |
Family
ID=68831635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920614297.9U Active CN209802608U (en) | 2019-04-29 | 2019-04-29 | Double-end sealing dynamic operation test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031156A (en) * | 2019-04-29 | 2019-07-19 | 西安永华集团有限公司 | A kind of both-end sealing dynamic field investigation platform and method |
-
2019
- 2019-04-29 CN CN201920614297.9U patent/CN209802608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031156A (en) * | 2019-04-29 | 2019-07-19 | 西安永华集团有限公司 | A kind of both-end sealing dynamic field investigation platform and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209802608U (en) | Double-end sealing dynamic operation test bed | |
| CN107121286A (en) | A kind of vertical water lubricating radial bearing test device and its test simulation method | |
| CN104807641A (en) | Self-force balancing thrust bearing test board | |
| CN111397815B (en) | Cutter head driving sealing test bed | |
| CN201486880U (en) | Cantilever type submerged sewage pump | |
| CN105650279A (en) | Shaft surface sealing device | |
| CN102749195B (en) | High-speed water bearing performance test device with air seal | |
| CN103775647A (en) | Combined type dynamic seal transmission assembly | |
| CN203705274U (en) | Device for hydrostatic test of expansion engine unit thin-wall volute | |
| CN105041669A (en) | Hot oil pump | |
| CN102252838B (en) | Valve seat testing device of float ball valve and testing method thereof | |
| CN207921166U (en) | wet separation clutch assembly and power assembly | |
| CN104655414B (en) | A kind of crankshaft front oil seal-mounting test tool | |
| CN105782450A (en) | Water sealing structure of raise boring machine | |
| STAN | ON THE DURABILITY OF CENTRIFUGAL PUMPS. | |
| CN103291640B (en) | Shurry pump under a kind of vertical nitrogen sealing gland cooling magnetic liquid | |
| CN214149834U (en) | Non-maintaining bearing dynamic seal test tool for truck hub | |
| CN209878323U (en) | Engine bearing friction measuring device | |
| CN1219157C (en) | Self-circulating machine sealing, lubricating, cooling and flushing device | |
| CN205025773U (en) | Hot oil pump | |
| CN110470473B (en) | Water lubricated bearing test device | |
| CN110031156A (en) | A kind of both-end sealing dynamic field investigation platform and method | |
| CN113933041A (en) | Bearing rigidity simulation rotor test device and support assembly verification method | |
| CN201909707U (en) | Tester for pressure-bearing test of gel slugs | |
| CN204783645U (en) | Single helical -lobe compressor is used to chemical industry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |