CN110849802A - Brush type sealing friction and wear characteristic experiment testing device - Google Patents
Brush type sealing friction and wear characteristic experiment testing device Download PDFInfo
- Publication number
- CN110849802A CN110849802A CN201911124696.8A CN201911124696A CN110849802A CN 110849802 A CN110849802 A CN 110849802A CN 201911124696 A CN201911124696 A CN 201911124696A CN 110849802 A CN110849802 A CN 110849802A
- Authority
- CN
- China
- Prior art keywords
- brush seal
- brush
- adjusting rod
- position adjusting
- sliding table
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000002474 experimental method Methods 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 title abstract description 16
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000005303 weighing Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a brush type sealing friction and wear characteristic experiment testing device, which comprises: the device comprises a first brush seal experiment piece mounting seat, a second brush seal experiment piece mounting seat, a stepped disc, a main shaft, a rack, a torque sensor and a servo motor, wherein the first brush seal experiment piece mounting seat comprises a first brush seal clamp, a three-way sliding table, a three-way position adjusting rod, a first pull-press sensor and a second pull-press sensor, and the second brush seal experiment piece mounting seat comprises a second brush seal clamp, a second brush seal clamp supporting seat, an axial position adjustable angle iron, a radial position adjusting rod and a third pull-press sensor. The brush type sealing friction and wear testing device is provided with two sets of measuring structures, can measure the friction force, the friction force torque and the radial force of the brush wire, further can obtain the friction coefficient, can obtain the brush wire wear loss through a weighing method, and has important significance for the research of the brush type sealing performance.
Description
Technical Field
The invention relates to the field of brush type sealing, and particularly provides a test device for a friction and wear characteristic test of brush type sealing.
Background
The brush seal is a sealing structure applied between rotors and stators of aero-engines, steam turbines and the like, and comprises a front baffle, a brush wire bundle and a rear baffle. The brush seal is a flexible contact type dynamic seal, brush wires of the brush seal can move along with a rotor when the rotor is eccentric, the leakage amount of the brush seal is only 1/5-1/10 of the traditional labyrinth seal, and the brush seal gradually replaces the traditional labyrinth seal at present. However, since the brush wires of the brush seal are in contact with the rotor during movement, the friction between the brush wires and the wear-resistant coating on the rotor affects the sealing performance and the service life of the brush seal, and therefore, it is of engineering significance to research the frictional wear characteristics of the brush seal.
The existing friction and wear testing device is mostly used for measuring the friction and wear performance of a certain material, an experimental block or an experimental ring is directly made of an experimental material to be tested for friction experiment during experiment, and the experimental part is not directly subjected to friction experiment on the brush type sealing experimental part. Because most of the contact forms of the friction pair of the existing friction wear testing device are point contact, line contact or plane contact, during experiments, radial force is directly applied to a radial point of the position of the friction pair, and uniform radial force can be obtained at the contact position. The experimental part of the brush seal is in a sector section, the contact form of the friction pair is curved surface contact, and even force cannot be obtained at the contact position of the friction pair if radial force is directly applied to one point.
Therefore, the device capable of directly performing the frictional wear characteristic experiment on the fan-shaped segment brush type sealing experimental piece is a problem to be solved urgently.
Disclosure of Invention
In view of this, an object of the present invention is to provide an experimental apparatus capable of directly performing an experiment on a segment brush seal experimental part to measure a frictional wear characteristic thereof, so as to solve a problem that an existing frictional wear testing apparatus cannot measure the frictional wear characteristic of the segment brush seal experimental part.
The technical scheme provided by the invention is as follows: a brush seal friction wear characteristic experiment testing device comprises: the device comprises a first brush seal experiment piece mounting seat, a second brush seal experiment piece mounting seat, a step disc, a main shaft, a rack, a torque sensor and a servo motor, wherein the main shaft penetrates through the rack, the upper end of the main shaft is fixedly connected with the step disc, the lower end of the main shaft is connected with an output shaft of the servo motor through the torque sensor, the first brush seal experiment piece mounting seat and the second brush seal experiment piece mounting seat are respectively connected to two sides of the upper end of the rack and are oppositely arranged relative to the step disc, the first brush seal experiment piece mounting seat comprises a first brush seal clamp, a three-way sliding table, a three-way position adjusting rod, a first pull-press sensor and a second pull-press sensor, the first brush seal clamp is fixed on the three-way sliding table, the three-way sliding table is used for driving the first brush seal experiment piece to move along the tangential direction, the radial direction and the, draw and press sensor one and draw and press sensor two to be used for measuring the frictional force and the radial force that brush sealed experiment piece received respectively, brush sealed experiment piece mount pad two is including brush sealed anchor clamps two, brush sealed anchor clamps supporting seat, the adjustable angle bar of axial position, radial position adjusts the pole and draws and press sensor three, be provided with radial optical axis on the adjustable angle bar of axial position, brush sealed anchor clamps two are fixed in brush sealed anchor clamps supporting seat below, the cooperation of the straight line antifriction bearing that brush sealed anchor clamps supporting seat set up through it is installed on radial optical axis, draw and press sensor three to be fixed in between radial position regulation pole and the brush sealed anchor clamps supporting seat, be used for measuring the radial force that brush sealed experiment piece received, torque sensor is used for measuring the frictional force moment of brush silk effect on the step dish of brush sealed experiment piece.
Preferably, the three-way sliding table comprises an X-direction sliding table, a Y-direction sliding table, a Z-direction sliding table and a base which are sequentially connected in a sliding mode, wherein the X-direction sliding table can slide along the tangential direction of the brush seal experiment piece, the Y-direction sliding table can slide along the radial direction of the brush seal experiment piece, the Z-direction sliding table can slide along the axial direction of the brush seal experiment piece, the base is fixed on one side of the upper end of the rack, and the first brush seal clamp is fixed on the X-direction sliding table.
Further preferably, the three-way position adjusting rod comprises an X-direction position adjusting rod, a Y-direction position adjusting rod and a Z-direction position adjusting rod, wherein the X-direction position adjusting rod is mounted on a boss on one side of the X-direction sliding table and corresponds to a corresponding boss on the Y-direction sliding table for adjusting the relative positions of the X-direction sliding table and the Y-direction sliding table in the tangential direction of the brush seal experiment piece, the Y-direction position adjusting rod is mounted on a boss on one side of the Y-direction sliding table and corresponds to a corresponding boss on the Z-direction sliding table for adjusting the relative positions of the Y-direction sliding table and the Z-direction sliding table in the radial direction of the brush seal experiment piece, the Z-direction position adjusting rod is mounted on the base of the three-way sliding table for adjusting the relative positions of the Z-direction sliding table and the base in the axial direction of the brush seal experiment piece, wherein the first pulling, and the second tension and compression sensor is arranged between the Y-direction position adjusting rod and the corresponding boss on the Z-direction sliding table.
Preferably, the X-direction position adjusting lever, the Y-direction position adjusting lever, and the Z-direction position adjusting lever are provided with scales.
Further preferably, the radial position adjusting rod is provided with a scale.
Further preferably, the step diameter of ladder dish is grow from top to bottom in proper order, and every ladder surface of ladder dish all scribbles wear-resistant coating.
Further preferably, the ladder dish is provided with 5 ~ 10 ladders, and the radius difference between the adjacent ladder is 0.1mm, and wherein, the diameter of the minimum ladder of diameter is 360 mm.
Preferably, two ends of the torque sensor are connected with the spindle and the servo motor through a first coupling and a second coupling respectively.
Preferably, the torque sensor and the servo motor are fixed on a sensor bracket, and the sensor bracket is fixedly connected with the rack.
More preferably, the first brush seal fixture and the second brush seal fixture are correspondingly provided with placing grooves matched with the brush seal experimental piece.
The experimental testing device for the frictional wear characteristic of the brush seal, provided by the invention, has a simple structure and is reliable in operation, a brush seal experimental part can be directly tested to obtain the friction force, the friction force torque, the friction coefficient and the wear loss of the experimental part, and the experimental testing device has a certain value for researching the frictional wear performance of the brush seal; the invention can directly test the fan-shaped section of the brush type sealing test piece, thereby greatly reducing the test cost; the invention has two structures for testing the brush type sealing characteristic, a user can select one structure for testing, or can utilize two sets of structures for respective testing, and then the testing results of the two structures are comprehensively considered, so that a more accurate friction coefficient result can be obtained, and the accuracy of the experiment is further ensured; the invention adopts the step discs with different diameter steps to apply different interference amounts to the brush wires, so that the frictional wear characteristic of the brush seal under different interference amounts can be researched, meanwhile, the servo motor is adopted to provide power, the rotating speed of the whole system can be accurately and rapidly adjusted, and the experimental research on the frictional wear performance of the brush seal is facilitated.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a perspective view of a brush seal friction wear characteristic test device provided by the invention;
FIG. 2 is a front view of an experimental testing device for friction and wear characteristics of a brush seal according to the present invention;
FIG. 3 is a left side view of an experimental testing device for friction and wear characteristics of a brush seal according to the present invention;
FIG. 4 is a top view of an experimental test device for friction and wear characteristics of a brush seal according to the present invention;
FIG. 5 is a perspective view of a first experimental brush seal mounting seat of an experimental testing device for friction and wear characteristics of a brush seal according to the present invention;
fig. 6 is a perspective view of a second brush seal test piece mounting seat of the experimental test device for the frictional wear characteristics of a brush seal according to the present invention.
Detailed Description
The invention will be further explained with reference to specific embodiments, without limiting the invention.
As shown in fig. 1 to 6, the present invention provides a brush seal friction and wear characteristic test device, including: a brush seal experiment piece mounting seat 1, a brush seal experiment piece mounting seat 2, a step disc 3, a main shaft 4, a frame 5, a torque sensor 6 and a servo motor 7, wherein, the main shaft 4 runs through the frame 5, the upper end is fixedly connected with the step disc 3, the lower end is connected with an output shaft of the servo motor 7 through the torque sensor 6, the output shaft of the servo motor 7 can drive the main shaft 4 to rotate, and further drive the step disc 3 to rotate, the first brush seal experiment piece mounting seat 1 and the second brush seal experiment piece mounting seat 2 are respectively connected with two sides of the upper end of the frame 5 and are oppositely arranged relative to the step disc 3, the first brush seal experiment piece mounting seat 1 comprises a first brush seal clamp 11, a three-way sliding table 12, a three-way position adjusting rod, a first pull-press sensor 14 and a second pull-press sensor 15, the first brush seal clamp 11 is fixed on the three-way sliding table 12, the, The three-way position adjusting rod is matched with the three-way sliding table 12 and used for adjusting the three-way position of the three-way sliding table 12 and further adjusting the three-way position of a first brush seal clamp 11, a first pull-press sensor 14 and a second pull-press sensor 15 are respectively used for measuring the friction force and the radial force borne by a brush seal experimental part, a second brush seal experimental part mounting seat 2 comprises a second brush seal clamp 21, a second brush seal clamp supporting seat 22, an axial position adjustable angle iron 23, a radial position adjusting rod 24 and a third pull-press sensor 25, a radial optical axis 231 is arranged on the axial position adjustable angle iron 23, the second brush seal clamp 21 is fixed below the brush seal clamp supporting seat 22, the brush seal clamp supporting seat 22 is installed on the radial optical axis 231 in a matched mode through a linear rolling bearing 221 arranged on the second brush seal clamp supporting seat, and the third pull-press sensor 25 is fixed, the torque sensor 6 is used for measuring the friction torque of the brush wires of the brush seal experiment piece acting on the step disc 3, preferably, the axial position adjustable angle iron is in sliding connection with the rack, and the axial position can be adjusted through an adjusting rod or through a fastening bolt.
The experimental testing device for the frictional wear characteristic of the brush seal has a simple structure, works reliably, can directly perform experiments on a brush seal experimental part to obtain the friction force, the friction force torque, the friction coefficient and the wear loss of the experimental part, and has a certain value for researching the frictional wear performance of the brush seal; the invention can directly test the fan-shaped section of the brush type sealing test piece, thereby greatly reducing the test cost; the invention has two structures for testing the brush type sealing characteristic, a user can select one structure for testing, or can utilize two sets of structures for respective testing, and then the testing results of the two structures are comprehensively considered, so that a more accurate friction coefficient result can be obtained, and the accuracy of the experiment is further ensured; the invention adopts the step discs with different diameter steps to apply different interference amounts to the brush wires, so that the frictional wear characteristic of the brush seal under different interference amounts can be researched, meanwhile, the servo motor is adopted to provide power, the rotating speed of the whole system can be accurately and rapidly adjusted, and the experimental research on the frictional wear performance of the brush seal is facilitated.
A first brush seal experimental part mounting seat, a step disc, a main shaft, a rack and a servo motor in the brush seal frictional wear characteristic test device form a first test structure of the brush seal frictional wear test device; the second brush seal experimental part mounting seat, the step disc, the frame, the main shaft, the torque sensor and the servo motor form a second test structure of the brush seal friction wear test device, wherein the process of testing the brush seal experimental part by using the first test structure is as follows: firstly, vertically installing the whole experimental device on a reference plane to eliminate the influence of gravity on an experiment, then placing a brush seal experimental part on a first brush seal clamp, adjusting a three-way sliding table to a proper position through a three-way position adjusting rod, fixing the sliding table, enabling the brush seal experimental part to be in contact fit with a proper step on a step disc, namely ensuring that the brush seal experimental part is concentric with the step disc and a proper interference amount exists between a brush seal brush wire and the step disc, then starting a servo motor to drive the step disc to rotate, and respectively measuring the friction force and the radial force borne by the brush seal experimental part through a first pulling and pressing sensor, finally obtaining the friction coefficient of the brush seal experimental part through calculation, and obtaining the abrasion amount of the brush seal experimental part through weighing the mass of the brush seal experimental part before and after the experiment; the process of testing the brush seal test piece using the second test structure was as follows: first, the entire experimental apparatus was vertically installed on a reference plane to eliminate the influence of gravity on the experiment, and then, placing the brush seal experimental part on the first brush seal clamp, adjusting the second brush seal experimental part mounting seat to a proper position through the radial position adjusting rod and the axial position adjustable angle iron, fixing the second brush seal experimental part mounting seat to the proper position, enabling the second brush seal experimental part to be in contact fit with a proper step on the step disc, namely, the brush seal experiment piece is ensured to be concentric with the step disc and a proper interference amount exists between the brush seal brush wire and the step disc, then, the servo motor is started to drive the step disc to rotate, the torque sensor can measure the friction torque of the brush seal brush wire acting on the step disc, the pull-press sensor can measure the radial force of the brush seal experiment piece, and finally, the friction coefficient of the experimental brush seal can be obtained through calculation, and the abrasion loss of the experimental brush seal can be obtained through weighing the mass of the experimental brush seal before and after the experiment.
As a modification of the technical solution, as shown in fig. 5, the three-way sliding table 12 includes an X-direction sliding table 121, a Y-direction sliding table 122, a Z-direction sliding table 123 and a base 124 which are slidably connected in sequence, wherein the X-direction sliding table 121 is slidable in a tangential direction of the brush seal test piece, the Y-direction sliding table 122 is slidable in a radial direction of the brush seal test piece, the Z-direction sliding table 123 is slidable in an axial direction of the brush seal test piece, the base 124 is fixed to one side of the upper end of the frame 5, and the first brush seal holder 11 is fixed to the X-direction sliding table 121.
As a modification of the technical solution, as shown in fig. 5, the three-way position adjusting lever includes an X-direction position adjusting lever 131, a Y-direction position adjusting lever 132 and a Z-direction position adjusting lever 133, wherein the X-direction position adjusting lever 131 is mounted on a boss on one side of the X-direction sliding table 121 and corresponds to a corresponding boss on the Y-direction sliding table 122 for adjusting the relative positions of the X-direction sliding table 121 and the Y-direction sliding table 122 in the tangential direction of the brush seal test piece, the Y-direction position adjusting lever 132 is mounted on a boss on one side of the Y-direction sliding table 122 and corresponds to a corresponding boss on the Z-direction sliding table 123 for adjusting the relative positions of the Y-direction sliding table 122 and the Z-direction sliding table 123 in the radial direction of the brush seal test piece, the Z-direction position adjusting lever 133 is mounted on the base 124 of the three-way sliding table 12 for adjusting the relative, the first pulling and pressing sensor 14 is disposed between the X-direction position adjusting rod 131 and the corresponding boss on the Y-direction sliding table 122, and the second pulling and pressing sensor 15 is disposed between the Y-direction position adjusting rod 132 and the corresponding boss on the Z-direction sliding table 123.
As a technical improvement, the X-direction position adjusting rod 131, the Y-direction position adjusting rod 132 and the Z-direction position adjusting rod 133 are provided with scales, so that the position of the brush seal experiment piece can be accurately adjusted.
As an improvement of the technical scheme, the radial position adjusting rod 24 is provided with scales, so that the position of the brush type sealing experiment piece can be accurately adjusted.
As the improvement of the technical scheme, the step diameter of the step disc 3 is sequentially increased from top to bottom, and each step surface of the step disc is coated with a wear-resistant coating.
As the improvement of the technical scheme, the step disc 3 is provided with 5-10 steps, preferably 7 steps, the radius difference between adjacent steps is 0.1mm, and the diameter of the step with the smallest diameter is 360 mm.
As a technical improvement, two ends of the torque sensor 6 are respectively connected with the main shaft 4 and the servo motor 7 through a first coupling 61 and a second coupling 62.
As an improvement of the technical scheme, the torque sensor 6 and the servo motor 7 are both fixed on a sensor bracket 63, and the sensor bracket 63 is fixedly connected with the frame 5.
As an improvement of the technical solution, the first brush seal fixture 11 and the second brush seal fixture 21 are correspondingly provided with a placing groove matched with the brush seal experimental piece, and a cover plate may be further arranged above the placing groove to further ensure the stability of the brush seal experimental piece.
The embodiments of the present invention have been written in a progressive manner with emphasis placed on the differences between the various embodiments, and similar elements may be found in relation to each other.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. Brush seals frictional wear characteristic experiment testing arrangement which characterized in that includes: the device comprises a first brush seal experimental part mounting seat (1), a second brush seal experimental part mounting seat (2), a step disc (3), a main shaft (4), a rack (5), a torque sensor (6) and a servo motor (7), wherein the main shaft (4) penetrates through the rack (5), the upper end of the main shaft is fixedly connected with the step disc (3), the lower end of the main shaft is connected with an output shaft of the servo motor (7) through the torque sensor (6), the first brush seal experimental part mounting seat (1) and the second brush seal experimental part mounting seat (2) are respectively connected to two sides of the upper end of the rack (5) and are oppositely arranged relative to the step disc (3), the first brush seal experimental part mounting seat (1) comprises a first brush seal clamp (11), a three-way sliding table (12), a three-way position adjusting rod, a first pull-press sensor (14) and a second pull-press sensor (15), and the first brush seal clamp (11), three-way slip table (12) are used for driving brush seal experiment piece along its tangential, radial and axial motion, three-way position control pole and three-way slip table (12) cooperation, a three-way position for adjusting three-way slip table (12), and then adjust the three-way position of brush seal anchor clamps one (11), draw and press sensor one (14) and draw and press sensor two (15) and be used for measuring the frictional force and the radial force that brush seal experiment piece received respectively, brush seal experiment piece mount pad two (2) are including brush seal anchor clamps two (21), brush seal anchor clamps supporting seat (22), axial position adjustable angle bar (23), radial position control pole (24) and draw and press sensor three (25), be provided with radial optical axis (231) on axial position adjustable angle bar (23), brush seal anchor clamps two (21) are fixed in brush seal anchor clamps supporting seat (22) below, brush seal anchor clamps supporting seat (22) are installed in radial optical axis (221) cooperation through the straight line antifriction bearing (221) that sets up (231) And a third pull-press sensor (25) is fixed between the radial position adjusting rod (24) and the brush seal clamp supporting seat (22) and is used for measuring the radial force borne by the brush seal experimental part, and a torque sensor (6) is used for measuring the friction torque of the brush wires of the brush seal experimental part acting on the step disc (3).
2. The brush type seal frictional wear characteristic test device according to claim 1, wherein: three-way slip table (12) are including sliding connection's X direction slip table (121), Y direction slip table (122), Z direction slip table (123) and base (124) in proper order, wherein, X direction slip table (121) can follow the tangential slip of brush seal experiment piece, Y direction slip table (122) can follow the radial slip of brush seal experiment piece, Z direction slip table (123) can follow the axial slip of brush seal experiment piece, base (124) are fixed in one side of frame (5) upper end, brush seal anchor clamps (11) are fixed in on X direction slip table (121).
3. The experimental testing device for the frictional wear characteristics of a brush seal according to claim 2, wherein: the three-way position adjusting rod comprises an X-direction position adjusting rod (131), a Y-direction position adjusting rod (132) and a Z-direction position adjusting rod (133), wherein the X-direction position adjusting rod (131) is installed on a boss on one side of an X-direction sliding table (121) and corresponds to a corresponding boss on a Y-direction sliding table (122) and is used for adjusting the relative position of the X-direction sliding table (121) and the Y-direction sliding table (122) along the tangential direction of the brush seal experiment piece, the Y-direction position adjusting rod (132) is installed on a boss on one side of the Y-direction sliding table (122) and corresponds to a corresponding boss on a Z-direction sliding table (123) and is used for adjusting the relative position of the Y-direction sliding table (122) and the Z-direction sliding table (123) along the radial direction of the brush seal experiment piece, the Z-direction position adjusting rod (133) is installed on a base (124) of the three-way sliding table (12) and is used for adjusting the relative position of, the first tension and compression sensor (14) is arranged between the corresponding bosses on the X-direction position adjusting rod (131) and the Y-direction sliding table (122), and the second tension and compression sensor (15) is arranged between the corresponding bosses on the Y-direction position adjusting rod (132) and the Z-direction sliding table (123).
4. The experimental testing device for the frictional wear characteristics of a brush seal according to claim 3, wherein: scales are arranged on the X-direction position adjusting rod (131), the Y-direction position adjusting rod (132) and the Z-direction position adjusting rod (133).
5. The brush type seal frictional wear characteristic test device according to claim 1, wherein: scales are arranged on the radial position adjusting rod (24).
6. The brush type seal frictional wear characteristic test device according to claim 1, wherein: the ladder diameter of ladder dish (3) from top to bottom grow in proper order, and every ladder surface of ladder dish all scribbles wear-resistant coating.
7. The experimental testing device for the frictional wear characteristics of a brush seal according to claim 6, wherein: the ladder disc (3) is provided with 5 ~ 10 ladders, and the radius difference between the adjacent ladder is 0.1mm, and wherein, the diameter of the minimum ladder of diameter is 360 mm.
8. The brush type seal frictional wear characteristic test device according to claim 1, wherein: and two ends of the torque sensor (6) are respectively connected with the main shaft (4) and the servo motor (7) through a first coupling (61) and a second coupling (62).
9. The experimental testing device for the frictional wear characteristics of a brush seal according to claim 7, wherein: the torque sensor (6) and the servo motor (7) are fixed on the sensor support (63), and the sensor support (63) is fixedly connected with the rack (5).
10. The brush seal frictional wear characteristic test apparatus according to any one of claims 1 to 9, wherein: and the first brush seal clamp (11) and the second brush seal clamp (21) are correspondingly provided with placing grooves matched with the brush seal experimental piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124696.8A CN110849802B (en) | 2019-11-18 | 2019-11-18 | Brush type seal friction and wear characteristic experiment testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124696.8A CN110849802B (en) | 2019-11-18 | 2019-11-18 | Brush type seal friction and wear characteristic experiment testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110849802A true CN110849802A (en) | 2020-02-28 |
| CN110849802B CN110849802B (en) | 2024-09-13 |
Family
ID=69600976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911124696.8A Active CN110849802B (en) | 2019-11-18 | 2019-11-18 | Brush type seal friction and wear characteristic experiment testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110849802B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2205877A1 (en) * | 1996-06-28 | 1997-12-28 | General Electric Company | Brush seals and combined labyrinth and brush seals for rotary machines |
| US5795990A (en) * | 1997-07-30 | 1998-08-18 | Center For Tribology, Inc. | Method and apparatus for measuring friction and wear characteristics of materials |
| CN103308410A (en) * | 2013-05-29 | 2013-09-18 | 浙江工业大学 | Frictional wear test method and test device for sealing ring |
| CN103868846A (en) * | 2014-03-19 | 2014-06-18 | 哈尔滨工业大学 | Test bed and measurement method for measuring friction coefficient of electric brush |
| CN107702868A (en) * | 2017-08-15 | 2018-02-16 | 沈阳航空航天大学 | A kind of brush seal experimental apparatus for capability vdiverse in function |
| CN109555564A (en) * | 2019-01-25 | 2019-04-02 | 沈阳航空航天大学 | The brush seal structure of brush wire bundle Yu rotor cover radial clearance is adjusted containing magnet |
| CN211206197U (en) * | 2019-11-18 | 2020-08-07 | 沈阳航空航天大学 | Brush type sealing friction and wear characteristic experiment testing device |
-
2019
- 2019-11-18 CN CN201911124696.8A patent/CN110849802B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2205877A1 (en) * | 1996-06-28 | 1997-12-28 | General Electric Company | Brush seals and combined labyrinth and brush seals for rotary machines |
| US5795990A (en) * | 1997-07-30 | 1998-08-18 | Center For Tribology, Inc. | Method and apparatus for measuring friction and wear characteristics of materials |
| CN103308410A (en) * | 2013-05-29 | 2013-09-18 | 浙江工业大学 | Frictional wear test method and test device for sealing ring |
| CN103868846A (en) * | 2014-03-19 | 2014-06-18 | 哈尔滨工业大学 | Test bed and measurement method for measuring friction coefficient of electric brush |
| CN107702868A (en) * | 2017-08-15 | 2018-02-16 | 沈阳航空航天大学 | A kind of brush seal experimental apparatus for capability vdiverse in function |
| CN109555564A (en) * | 2019-01-25 | 2019-04-02 | 沈阳航空航天大学 | The brush seal structure of brush wire bundle Yu rotor cover radial clearance is adjusted containing magnet |
| CN211206197U (en) * | 2019-11-18 | 2020-08-07 | 沈阳航空航天大学 | Brush type sealing friction and wear characteristic experiment testing device |
Non-Patent Citations (2)
| Title |
|---|
| RABEN M， FRIEDRICHS J， HELMIS T，: "Brush seals used in steam environments-chronological wear development and the impact of different seal designs", 《JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER》, vol. 138, no. 5, 31 December 2016 (2016-12-31), pages 1 - 4 * |
| 胡广阳;孙丹;刘宁宁;艾延廷;王克明;: "刷式密封泄漏及磨损特性实验研究", 沈阳航空航天大学学报, vol. 33, no. 02, 25 April 2016 (2016-04-25), pages 2 - 4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110849802B (en) | 2024-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2023004911A1 (en) | Self-aligning rolling bearing performance testing apparatus and rigidity testing method | |
| CN109525086B (en) | Single-station semi-automatic dynamic balance adjusting device | |
| CN109975151B (en) | Vertical current-carrying frictional wear test bed for electric brush and collecting ring of hydraulic turbine set | |
| CN106895972B (en) | A kind of stick-slip experimental rig | |
| CN110346086A (en) | A kind of dynamic balancing machine and its application method moving vane rotor suitable for self-powered | |
| CN204359623U (en) | A kind of friction wear testing machine | |
| CN211206197U (en) | Brush type sealing friction and wear characteristic experiment testing device | |
| CN111024605A (en) | Stepless pressure regulating friction coefficient measuring instrument | |
| CN115542153B (en) | Servo motor reliability test loading device and method | |
| CN109030267B (en) | Friction test device and test method thereof | |
| CN112345395B (en) | Low-frequency heavy-load impact sliding friction wear test device | |
| CN207675574U (en) | A kind of multifunction friction wear testing machine secondary based on the friction of ring block | |
| CN210741751U (en) | Rotor dynamic balance testing device | |
| CN201251536Y (en) | Journal and bushing friction and wear property tester of machine tool spindle | |
| CN208592562U (en) | A kind of electro spindle assembly tooling of pre-add elastic load | |
| CN110849802A (en) | Brush type sealing friction and wear characteristic experiment testing device | |
| CN108444661B (en) | Oblique circle spring fatigue test platform | |
| CN211121908U (en) | Ripple spring detection device | |
| CN210181083U (en) | Copper pole conductivity detection anchor clamps | |
| CN108267378A (en) | A kind of multifunction friction wear testing machine secondary based on the friction of ring block and its test method | |
| CN209720787U (en) | Roller steel band type frictional drive running gear | |
| CN110672289B (en) | Radial magnetic bearing rigidity testing device | |
| CN220289186U (en) | Variable speed type friction and wear testing machine | |
| CN112444747A (en) | Performance testing device of high-speed motor | |
| CN210664413U (en) | High-precision rod diameter measuring rotary driving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |