CN112697451A - In-line type switching structure of material friction abnormal sound test bed - Google Patents
In-line type switching structure of material friction abnormal sound test bed Download PDFInfo
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- CN112697451A CN112697451A CN202011375084.9A CN202011375084A CN112697451A CN 112697451 A CN112697451 A CN 112697451A CN 202011375084 A CN202011375084 A CN 202011375084A CN 112697451 A CN112697451 A CN 112697451A
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 title claims abstract description 29
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000004816 latex Substances 0.000 claims description 4
- 229920000126 latex Polymers 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
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- 230000002337 anti-port Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
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- 239000002783 friction material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention belongs to the technical field of friction abnormal sound test equipment, and discloses an in-line type switching structure of a material friction abnormal sound test bed, which comprises a mounting table, wherein the mounting table is connected with a mounting plate in a sliding manner, and a plurality of mounting stations are uniformly arranged on the mounting plate; the mounting table is also provided with a driving piece for driving the mounting plate to slide and a clamping part for clamping the power output part, a driving station is arranged on the mounting table, the clamping part comprises two cross rods hinged on the driving station, and the length from one end, opposite to the two cross rods, to a hinged joint is smaller than the length of the other end of each cross rod and the length of the hinged joint; the threaded connection has two threaded rods on the mount table, and two threaded rods are located the one end below that two horizontal poles kept away from mutually respectively. The invention solves the problem that the friction abnormal sound test of the material needs to be carried out in two different power output modes, and each friction test bed is only provided with one power output part, so that a plurality of friction test beds are needed to be used for completing the friction abnormal sound test of the material, and the cost is high.
Description
Technical Field
The invention belongs to the technical field of friction abnormal sound experimental equipment, and particularly relates to an in-line type switching structure of a material friction abnormal sound test bed.
Background
In an automobile structure, two components rub against each other to form a friction pair, and if the two components move relatively, friction is generated, and the process of changing the friction state between the friction pair from static friction to dynamic friction is called stick-slip motion. Stick-slip motion, which is a typical friction phenomenon, is widely present in mechanical systems, and brings numerous negative problems such as flutter, oscillation, sharp noise and the like to the mechanical systems of automobiles. In order to improve the stability of the mechanical system of the automobile and reduce vibration in the development process, a stick-slip test (a friction test between a friction pair formed by two components) needs to be carried out. At present, a friction test bed is generally used for performing a friction abnormal sound test on two materials, a power output part is arranged on the friction test bed, and the friction material is driven to move through the power output part, so that relative friction between the two materials is completed, and the test is further completed.
The friction abnormal sound test of the material is generally to carry out tests of two power output modes of linear excitation and reciprocating excitation, wherein the two different modes adopt different power output parts. The conventional friction test bed is only fixed with one power output part, and different friction test beds are required to be used for testing in order to realize the friction abnormal sound test in two power driving modes, so that the cost is very high; and the installation of two materials to be tested on different test equipment is very time consuming.
Disclosure of Invention
The invention aims to provide an in-line switching structure of a material friction abnormal sound test bed, which aims to solve the problem that the cost is high because a plurality of friction test beds are needed to be used for completing the material friction abnormal sound test because the material friction abnormal sound test needs to be carried out in two different power output modes and each friction test bed is only provided with one power output part.
In order to achieve the purpose, the invention provides the following technical scheme that the in-line type switching structure of the material friction abnormal sound test bed comprises an installation platform, wherein an installation plate is vertically and slidably connected to the installation platform, and a plurality of installation stations for installing the power output part are uniformly arranged on the installation plate along the vertical direction; the mounting table is also provided with a driving piece for driving the mounting plate to slide and a clamping part for clamping the power output part, a driving station is arranged on the mounting table, the clamping part comprises two cross rods hinged on the driving station, and the length from one end, opposite to the two cross rods, to a hinged joint is smaller than the length of the other end of each cross rod and the length of the hinged joint; the threaded connection has two threaded rods on the mount table, and two threaded rods are located the one end below that two horizontal poles kept away from mutually respectively.
The technical principle of the technical scheme is as follows:
the power output part is installed through the installation station on the installation plate, and the position of the power output part can be switched by sliding the installation plate, so that different power output parts are replaced, and tests of different power output modes are realized. And after moving power take off portion to the drive station, can shift up through the longer one end of the electronic horizontal pole of rotation threaded rod, according to lever principle, the other end of horizontal pole shifts down to support power take off portion tightly gradually, realize power take off portion's fixed, improve power take off's precision.
The beneficial effects of the technical scheme are as follows:
1. the installation stations for installing the power output parts are arranged on the installation plate, so that various different power output parts can be installed at the same time, friction abnormal sound tests in various driving modes can be completed on one friction test bed, and the cost can be reduced; meanwhile, the time spent on installing two materials when a plurality of different friction test beds are used for testing is reduced, so that the time consumed by the whole test is short, and the time cost is saved;
2. the clamping part is arranged to fix the power output part for realization, so that the position fixation of the power output part in use is ensured, and meanwhile, the influence caused by vibration of the power output part in use can be reduced;
3. the threaded rod can move up and down by rotating the threaded rod, so that the cross rod is driven to move up and down, and the power output part is clamped and loosened; when the threaded rod moves down, because the one end of keeping away from mutually of horizontal pole is longer apart from the distance of pin joint, consequently longer one section gravity is great, when the horizontal pole is not extruded to the threaded rod, accomplishes the automatic re-setting of horizontal pole, loosens power take off portion.
Further, the middle part of mount table is equipped with the bar groove of vertical setting, and mounting panel and clamping part are located the both sides of mount table respectively, and the installation station passes the bar groove and is located the one side that is provided with clamping part.
Has the advantages that: the bar-shaped groove can be passed by the installation station, and the power output part is arranged at one side of the mounting platform and is parallel and level to the clamping part, so that the clamping force of the clamping part can be directly applied to the power output part, and the clamping effect on the power output part is good.
The transmission part comprises a rack fixed on one side of the mounting plate close to the mounting table and a gear rotationally connected to one side of the mounting table provided with a clamping part, and the gear is meshed with the rack; sliding grooves for the racks to penetrate through and vertically slide are formed in the two sides, located in the strip-shaped holes, of the mounting table; a rotating shaft which is coaxial with the gear is rotatably connected to the mounting table and can slide along the axial direction, the rotating shaft is connected with the gear through a spline, and two driving bevel gears are coaxially fixed on the rotating shaft; the bottom of the threaded rod is provided with a driven bevel gear which can be meshed with the driving bevel gear, a one-way bearing is arranged between the driven bevel gear and the threaded rod, and the two driving bevel gears are respectively positioned at two sides of the driven bevel gear; the threaded rod is further sleeved with a torsion spring, and two ends of the torsion spring are respectively fixed on the threaded rod and the mounting platform.
Has the advantages that: through the setting of driving medium, can realize that clamping part presss from both sides tightly the power take off portion that treats to use automatically when power take off portion position switches.
Specifically, when the position of the power output part needs to be switched, the mounting plate is moved upwards, the mounting plate moves to drive the rack to move, so that the gear drives the rotating shaft to rotate, the driving bevel gear on the rotating shaft and the driven bevel gear on the threaded rod are used for transmission, the threaded rod is rotated and moved downwards, and at the moment, the torsion spring stores energy; the cross rod moves downwards under the action of the gravity at the longer end, and the other end of the cross rod moves upwards to loosen the power output part. After the power take-off portion that treats the use removes to the drive station, stop to move up the mounting panel, consequently drive threaded rod pivoted power and disappear, under the effect of torsional spring, threaded rod antiport, and through one-way bearing's setting, the antiport can not take place for driven bevel gear. The threaded rod rotates reversely and moves upwards, so that the end, far away from the cross rod, of the threaded rod is gradually jacked upwards, and the power output part is clamped.
After the power output part at the bottom moves to the driving station for testing, when friction abnormal sound test needs to be carried out on other materials, the rotating shaft is moved, so that the other driving bevel gear on the rotating shaft is meshed with the driven bevel gear, and when the mounting plate moves downwards to drive the gear to rotate, the rotating direction of the threaded rod is the same as that of the mounting plate when the mounting plate moves upwards. Thereby when can realizing removing the mounting panel, the screw thread moves down and loosens power take off portion, and after power take off portion removed to the drive station, the threaded rod was down rotated under the effect of torsional spring to drive clamping part and remove, realize fixing power take off portion.
Furthermore, both ends that lie in the pivot in the mount table all are equipped with the magnet piece, still are equipped with two electromagnets that respectively and two magnet piece inter attraction on the mount table, are equipped with two switches of controlling two electromagnets respectively on the mount table.
Has the advantages that: through the attraction of the electromagnet and the magnet block, the sliding of the rotating shaft can be controlled, and the operation is very convenient.
Further, two switches are located the top and the below of rack respectively.
Has the advantages that: after the mounting plate moves to the top and the bottom, the two switches can be respectively started, so that the automatic intermittent connection of the electromagnets can be realized, and the automatic switching of the position of the rotating shaft is completed.
Furthermore, the thread pair formed by the threaded connection of the thread section and the mounting table does not form a self-locking condition.
Has the advantages that: when the external force is enough, the threaded rod can rotate and move upwards when the external force is applied upwards.
Further, still be fixed with a plurality of piston barrels in the mount table, equal vertical sliding connection has the piston in the piston barrel, is equipped with the spring between piston bottom and the piston barrel bottom, is equipped with the sealing washer between piston outer lane and the piston barrel, and the bottom of threaded rod all is located the piston barrel, and threaded rod bottom offsets with the piston.
Has the advantages that: the threaded rod can extrude the piston in the process of rotating and moving downwards, so that the piston extrudes the gas at the lower part of the piston barrel, and the pressure at the lower part of the piston barrel is gradually increased. And after the motor stops rotating, when the threaded rod rotates reversely, the threaded rod can be reset by the gas in the piston barrel, so that the threaded rod moves upwards.
Furthermore, anti-skidding blocks are fixed at the opposite ends of the two cross rods.
Has the advantages that: set up the non slipping spur, can reduce the condition that appears skidding between horizontal pole and the power take off portion, and then improve the fixed effect to the power take off portion.
Further, the non-slip blocks are rubber blocks, silica gel blocks or latex blocks.
Has the advantages that: the rubber block, the silica gel block and the latex block have certain deformability, so that the rubber block, the silica gel block and the latex block can play a certain buffering effect while playing an anti-skidding role.
Further, the driving member is a cylinder.
Has the advantages that: the sliding of the mounting plate can be facilitated by utilizing the cylinder for driving.
Drawings
FIG. 1 is a longitudinal sectional view of embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the engagement between the drive bevel gear and the driven bevel gear in embodiment 1 of the invention;
fig. 3 is a longitudinal sectional view of a piston barrel in embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the mounting table comprises a mounting table 1, a cavity 11, a strip-shaped groove 12, a sliding groove 13, a mounting plate 2, a mounting station 21, a rack 22, a cross rod 3, an anti-skid block 31, a balancing weight 32, a threaded rod 4, a driven bevel gear 41, a torsion spring 42, a pressure plate 43, a rotating shaft 5, a gear 51, a driving bevel gear 52, a piston barrel 6, a piston 61 and a push rod 62.
Example 1:
an in-line type switching structure of a material friction abnormal sound test bed is basically shown as an attached drawing 1 and comprises an installation table 1, wherein a cavity 11 is arranged in the installation table 1, a strip-shaped groove 12 is vertically arranged in the middle of the installation table 1, and the strip-shaped groove 12 is communicated with the cavity 11 and the front side wall and the rear side wall of the installation table 1; the left and right sides that lie in bar groove 12 on mount table 1 all is equipped with sliding tray 13 along vertical direction, sliding tray 13 and mount table 1 around lateral wall, cavity 11 and the mount table 1 bottom intercommunication.
Vertical sliding connection has mounting panel 2 on the trailing flank of mount table 1, and the concrete connection mode of mounting panel 2 and mount table 1 does, is equipped with two vertical spouts on the trailing flank of mount table 1, and two spouts are located respectively between two sliding tray 13 and the bar groove 12, are fixed with two draw runners on the mounting panel 2, and the vertical sliding connection of draw runner is in the spout. In order to avoid the separation of the sliding strip and the sliding groove, the sections of the sliding strip and the sliding groove are both arranged to be T-shaped.
The side face, close to the mounting table 1, of the mounting plate 2 is provided with a plurality of mounting stations 21, in this embodiment, the number of the mounting stations 21 is 3, and the mounting stations 21 can be used for mounting different power output parts. In this embodiment, installation station 21 is the installation piece, and the installation piece is along vertical evenly arranging on mounting panel 2, and installation station 21 passes bar groove 12, can realize fixing power take off portion back on installation station 21, and mounting panel 2 drives power take off portion and reciprocates.
The middle part of the strip-shaped groove 12 on the front side surface of the mounting table 1 is a driving station, namely the mounting plate 2 drives the power output part to move to the driving station and then stops sliding, and at the moment, the power output part is connected with the power input part, so that power output can be completed.
The front side of the mounting table 1 is further fixed with a clamping portion and two transmission parts, the clamping portion comprises two cross rods 3 located at the driving station, and the two cross rods 3 are located on the left side and the right side of the strip-shaped groove 12 respectively. The left and right sides that lie in bar groove 12 on mount table 1 all is fixed with branch, and two spinal branch poles are run through respectively to horizontal pole 3, and rotate with branch and be connected, consequently make horizontal pole 3 form a lever structure. The length of one end (the shorter end) of the cross rod 3 close to the strip-shaped groove 12 from the support rods is smaller than that of the other end (the longer end) of the cross rod 3 from the support rods; and the longer end of the cross rod 3 is provided with a balancing weight 32, and the specific parameters of the balancing weight 32 are selected according to actual requirements.
The cavity 11 is also provided with a mounting rack (not shown in the figure), and the mounting rack is provided with threaded holes. The threaded rod 4 is inserted into the threaded hole and is in threaded connection with the threaded hole. The threaded rod 4 comprises an upper threaded section and a lower polished rod section, a torsion spring 42 is sleeved on the polished rod section, one end of the torsion spring 42 is welded on the polished rod section, and the other end of the torsion spring 42 is welded on the mounting frame; the bottom of polished rod section is equipped with driven bevel gear 41 coaxially, is equipped with one-way bearing between driven bevel gear 41 and the polished rod section.
Two driving mediums are used for driving two threaded rods 4 to move respectively, and the two driving mediums are symmetrically arranged around the middle part of the strip-shaped hole. Taking the transmission member on the left side as an example, the transmission member includes a rack 22 fixed on the mounting plate 2, specifically, a connecting rod is fixed on the rear side of the rack 22, and the connecting rod passes through the sliding groove 13 and is fixed on the mounting plate 2, so that the rack 22 is driven to move up and down when the mounting plate 2 moves up and down.
The transmission part further comprises a rotating shaft 5 which is rotatably connected to the mounting frame and is perpendicular to the paper surface, the rotating shaft 5 is perpendicular to the threaded rod 4, and the rotating shaft 5 and the mounting frame can slide along the axial direction of the rotating shaft 5. The rotating shaft 5 is also coaxially provided with a gear 51 and two driving bevel gears 52, the gear 51 is connected with the rotating shaft 5 through a spline, the gear 51 is rotatably connected on the mounting frame, and the gear 51 is meshed with the rack 22. As shown in fig. 2, two drive bevel gears 52 are respectively located at both sides of the driven bevel gear 41, and both of the drive bevel gears 52 may be engaged with the driven bevel gear 41.
Magnet blocks are fixed at two ends of the rotating shaft 5, electromagnets opposite to the magnet blocks are fixed on the front side wall and the rear side wall of the cavity 11, the electromagnet blocks close to each other can be attracted when the electromagnet is started, and switches for respectively controlling the two electromagnets to be started are arranged on the upper side and the lower side of the rack 22 in the cavity 11. That is, when the mounting plate 2 drives the rack 22 to move to the top, the rack 22 presses the switch at the top, so that the electromagnet attracts the magnet block, the rotating shaft 5 slides axially, and the driving bevel gear 52 engaged with the driven bevel gear 41 is switched.
And the device also comprises a driving part for driving the mounting plate 2 to move up and down, wherein the driving part uses an air cylinder in the embodiment.
The specific implementation process is as follows:
before the use, fix different power take off parts on installation station 21, after the material that is used for the experiment is installed, start the cylinder, the cylinder drives mounting panel 2 and shifts up to realize the removal of installation station 21. And after the mounting station 21 at the top moves to the driving station, the air cylinder is closed, the connection between the power output part and the power input part is realized, and a friction abnormal sound test is carried out.
In the process, the mounting plate 2 moves upwards to drive the rack 22 to move upwards, so that the gear 51 rotates, the driving bevel gear 52 rotates under the transmission of the rotating shaft 5 to drive the driven bevel gear 41 to rotate, the threaded rod 4 rotates and moves downwards, and the torsion spring 42 stores energy. The force of the threaded rod 4 which pushes the longer end of the cross rod 3 after moving downwards disappears, and under the action of gravity, the shorter end of the cross rod 3 tilts upwards according to the lever principle, so that the movement of the installation station 21 is not influenced.
After the mounting station 21 moves to the driving station, the rack 22 does not move any more, so that the force driving the threaded rod 4 to rotate disappears, the threaded rod 4 rotates reversely and moves upwards under the action of the torsion spring 42, the longer end of the cross rod 3 is driven to move upwards, the shorter end of the cross rod 3 moves downwards, and the power output part on the mounting station 21 is clamped tightly. When the threaded rod 4 is rotated in the reverse direction, the driven bevel gear 41 does not rotate due to the one-way bearing.
By repeating the above processes, the switching of different power output parts can be realized.
When the installation station 21 at the bottom moves to the driving station, the rack 22 moves to the top and presses the switch at the top, so that one of the electromagnets is turned on and attracts the corresponding magnet block, thereby realizing the movement of the rotating shaft 5. The rotation shaft 5 moves to change the position of the drive bevel gear 52 such that the other drive bevel gear 52 is engaged with the driven bevel gear 41. Since the two drive bevel gears 52 are respectively located at both sides of the driven bevel gear 41, the rotation directions when the driven bevel gear 41 is driven are identical when the rotation directions of the two drive bevel gears 52 are opposite. At this time, the direction switching is realized, and when the mounting plate 2 drives the rack 22 to move downwards, the rotation and movement directions of the threaded rod 4 are consistent with those of the upward movement. After testing of a set of materials is completed, they can be used without being restored to their original position.
Example 2:
Still be fixed with two open-top's piston barrel 6 in the cavity 11 of mount table 1, vertical sliding connection has piston 61 in the piston barrel 6, all is equipped with the sealing washer between piston 61 and the piston barrel 6, and the welding has the spring between piston 61 bottom and the piston barrel 6 bottom, selects to use the pressure spring in this embodiment. A push rod 62 is fixed on the top of the piston 61, and the top of the push rod 62 is pressed against the bottom of the pressure plate 43.
The specific implementation process is as follows:
because the thread pair formed between the threaded rod 4 and the threaded hole does not meet the self-locking condition, when the threaded rod 4 is subjected to a large vertical force, the threaded rod 4 can also move and rotate vertically. When the motor rotates to drive the threaded rod 4 to rotate and move downwards, the pressure plate 43 is driven to move downwards, so that the push rod 62 and the piston 61 are extruded, the piston 61 extrudes gas at the lower part of the piston barrel 6, the pressure at the lower part of the piston barrel 6 is increased, and energy storage is realized. After the motor is turned off, the force driving the threaded rod 4 to rotate disappears, the threaded rod 4 is reversely rotated under the action of the torsion spring 42, if the force of the torsion spring 42 is not enough to push the longer end of the cross rod 3 to move upwards, the piston 61 moves upwards under the action of the gas pressure in the piston barrel 6 and the spring reset, an upward force is given by the push rod 62, the threaded rod 4 is rotated, the longer end of the cross rod 3 is jacked upwards, and the power output part is clamped tightly.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications should not be construed as affecting the performance of the invention and its practical application.
Claims (10)
1. The in-line type switching structure of the material friction abnormal sound test bed is characterized in that: the power output device comprises an installation table, wherein an installation plate is vertically and slidably connected to the installation table, and a plurality of installation stations for installing a power output part are uniformly arranged on the installation plate along the vertical direction; the mounting table is also provided with a driving piece for driving the mounting plate to slide and a clamping part for clamping the power output part, a driving station is arranged on the mounting table, the clamping part comprises two cross rods hinged on the driving station, and the length from one end, opposite to the two cross rods, to a hinged joint is smaller than the length of the other end of each cross rod and the length of the hinged joint; the threaded connection has two threaded rods on the mount table, and two threaded rods are located the one end below that two horizontal poles kept away from mutually respectively.
2. The in-line switching structure of the material friction abnormal noise test bed according to claim 1, characterized in that: the middle part of mount table is equipped with the bar groove of vertical setting, and mounting panel and clamping part are located the both sides of mount table respectively, and the installation station passes the bar groove and is located the one side that is provided with clamping part.
3. The in-line switching structure of the material friction abnormal noise test bed according to claim 2, characterized in that: the transmission part comprises a rack fixed on one side of the mounting plate close to the mounting table and a gear rotationally connected to one side of the mounting table provided with a clamping part, and the gear is meshed with the rack; sliding grooves for the racks to penetrate through and vertically slide are formed in the two sides, located in the strip-shaped holes, of the mounting table; a rotating shaft which is coaxial with the gear is rotatably connected to the mounting table and can slide along the axial direction, the rotating shaft is connected with the gear through a spline, and two driving bevel gears are coaxially fixed on the rotating shaft; the bottom of the threaded rod is provided with a driven bevel gear which can be meshed with the driving bevel gear, a one-way bearing is arranged between the driven bevel gear and the threaded rod, and the two driving bevel gears are respectively positioned at two sides of the driven bevel gear; the threaded rod is further sleeved with a torsion spring, and two ends of the torsion spring are respectively fixed on the threaded rod and the mounting platform.
4. The material friction abnormal noise test bed in-line switching structure according to claim 3, wherein: the both ends that lie in the pivot in the mount table all are equipped with the magnet piece, still are equipped with two electromagnets that attract with two magnet pieces respectively on the mount table, are equipped with two switches of controlling two electromagnets respectively on the mount table.
5. The material friction abnormal noise test bed in-line switching structure according to claim 4, wherein: the two switches are respectively positioned above and below the rack.
6. The material friction abnormal noise test bed in-line switching structure according to claim 5, wherein: the thread pair formed by the threaded connection of the thread section and the mounting table does not form a self-locking condition.
7. The material friction abnormal noise test bed in-line switching structure according to claim 6, wherein: still be fixed with a plurality of piston barrels in the mount table, equal vertical sliding connection has the piston in the piston barrel, is equipped with the spring between piston bottom and the piston barrel bottom, is equipped with the sealing washer between piston outer lane and the piston barrel, and the bottom of threaded rod all is located the piston barrel, and threaded rod bottom and piston offset.
8. The material friction abnormal noise test bed in-line switching structure according to claim 7, wherein: anti-skid blocks are fixed at the opposite ends of the two cross rods.
9. The material friction abnormal noise test bed in-line switching structure according to claim 8, wherein: the antiskid block is a rubber block, a silica gel block or a latex block.
10. The material friction abnormal noise test bed in-line switching structure according to claim 9, wherein: the driving part is a cylinder.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080068783A (en) * | 2007-01-20 | 2008-07-24 | 주식회사 네오플러스 | Converting apparatus of oscillating friction-wearing tester |
| CN105196137A (en) * | 2015-08-27 | 2015-12-30 | 中国地质大学（武汉） | Automatic multi-station gemstone polishing and grinding machine |
| TWM564666U (en) * | 2018-04-11 | 2018-08-01 | 東南科技大學 | Transmission device |
| JP2018119803A (en) * | 2017-01-23 | 2018-08-02 | 国立大学法人金沢大学 | Rubbing and abrasion testing machine |
| CN208224167U (en) * | 2018-05-31 | 2018-12-11 | 重庆中铃兆虎机车制造有限公司 | Frame Welding quality detection device |
| CN109682563A (en) * | 2019-02-13 | 2019-04-26 | 安徽理工大学 | Five degree of freedom becomes cell type electromagnetic vibration test platform |
| CN110082237A (en) * | 2019-04-18 | 2019-08-02 | 爱柯迪股份有限公司 | A kind of selector fork instep frictional testing machine and its test method |
| CN110160904A (en) * | 2019-06-24 | 2019-08-23 | 安徽理工大学 | A kind of combined type friction wear testing machine based on flexible hinge |
| CN110155693A (en) * | 2019-05-28 | 2019-08-23 | 无锡先导智能装备股份有限公司 | A kind of inversion mechanism and weighing device |
| CN111337422A (en) * | 2020-02-25 | 2020-06-26 | 重庆凯瑞汽车试验设备开发有限公司 | Friction abnormal sound testing device |
-
2020
- 2020-11-30 CN CN202011375084.9A patent/CN112697451B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080068783A (en) * | 2007-01-20 | 2008-07-24 | 주식회사 네오플러스 | Converting apparatus of oscillating friction-wearing tester |
| CN105196137A (en) * | 2015-08-27 | 2015-12-30 | 中国地质大学（武汉） | Automatic multi-station gemstone polishing and grinding machine |
| JP2018119803A (en) * | 2017-01-23 | 2018-08-02 | 国立大学法人金沢大学 | Rubbing and abrasion testing machine |
| TWM564666U (en) * | 2018-04-11 | 2018-08-01 | 東南科技大學 | Transmission device |
| CN208224167U (en) * | 2018-05-31 | 2018-12-11 | 重庆中铃兆虎机车制造有限公司 | Frame Welding quality detection device |
| CN109682563A (en) * | 2019-02-13 | 2019-04-26 | 安徽理工大学 | Five degree of freedom becomes cell type electromagnetic vibration test platform |
| CN110082237A (en) * | 2019-04-18 | 2019-08-02 | 爱柯迪股份有限公司 | A kind of selector fork instep frictional testing machine and its test method |
| CN110155693A (en) * | 2019-05-28 | 2019-08-23 | 无锡先导智能装备股份有限公司 | A kind of inversion mechanism and weighing device |
| CN110160904A (en) * | 2019-06-24 | 2019-08-23 | 安徽理工大学 | A kind of combined type friction wear testing machine based on flexible hinge |
| CN111337422A (en) * | 2020-02-25 | 2020-06-26 | 重庆凯瑞汽车试验设备开发有限公司 | Friction abnormal sound testing device |
Non-Patent Citations (1)
| Title |
|---|
| 罗建文: ""车用材料摩擦异响特性及实验方法研究"", 《中国优秀硕士学位论文全文数据库 工程科技II辑》, no. 08, pages 035 - 488 * |
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