CN211426144U - Sprocket wear test device - Google Patents
Sprocket wear test device Download PDFInfo
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- CN211426144U CN211426144U CN201921573838.4U CN201921573838U CN211426144U CN 211426144 U CN211426144 U CN 211426144U CN 201921573838 U CN201921573838 U CN 201921573838U CN 211426144 U CN211426144 U CN 211426144U
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- chain
- test piece
- chain wheel
- chain ring
- sliding table
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Abstract
A kind of chain wheel abrasion test device, relate to the test equipment technical field of the chain wheel, in order to test the chain wheel test piece cut from the chain wheel to bear the chain nest abrasion degree of the chain ring under the controllable impact force, frictional force and impact frequency, including the longitudinal impact device, horizontal hold-down device, support frame, the longitudinal impact device drives the chain ring to reciprocate and impact the chain wheel test piece longitudinally, while fixing the chain wheel test piece, provide the thrust that makes the two close to each other for chain wheel test piece and chain ring, make the mutual acting force of contact between chain wheel test piece and the chain ring increase, in order to provide the frictional force for chain wheel test piece when the chain ring reciprocates longitudinally, before the chain wheel is put into the industrial test or used, utilize this apparatus to assess the chain nest abrasion degree of the chain ring under the controllable impact force, frictional force and impact frequency of the chain ring, make the practical reliability of the chain wheel obtain the effective guarantee, so as to reduce the damage amount after being put into industrial test or used and save materials and resources.
Description
Technical Field
The utility model relates to a sprocket test equipment technical field, concretely relates to sprocket wear test device.
Background
The chain transmission is one of important components of the scraper conveyor, the chain wheel is a main part of the chain transmission, relevant experimental research contents of the chain wheel at the present stage comprise circular chain transmission structure design optimization, chain wheel and chain abrasion mechanism, transmission system stress simulation by means of a computer, failure chain wheel detection and analysis, chain wheel and chain material abrasion resistance research under complex working conditions and the like, all of which are theoretical researches, generally, after theoretical research and calculation are completed, the chain wheel and chain material is directly processed and manufactured and put into industrial tests or use.
The performance evaluation of the chain wheel lacks a laboratory test link, so that the practical reliability cannot be effectively guaranteed, and the problem of large damage is undoubtedly generated after the chain wheel is put into an industrial test or used, thereby causing the waste of materials and resources.
Disclosure of Invention
In view of the above, it is desirable to provide a sprocket wear test apparatus for testing the wear performance of a sprocket before being put into industrial testing or use.
A kind of chain wheel wear test device, in order to test the chain wheel test piece cut from the chain wheel to bear the chain nest abrasion degree under controllable impact force, frictional force and impact frequency of the chain ring, including longitudinal impact device, horizontal hold-down device, support frame, longitudinal impact device, horizontal hold-down device are set up on the support frame, the longitudinal impact device locates above horizontal hold-down device; the chain wheel test piece is fixed by the longitudinal impact device, the chain ring is driven to do longitudinal reciprocating motion to provide impact force for the chain wheel test piece, the lowest point of the chain ring is lower than the highest point of the chain wheel test piece, the chain wheel test piece is fixed by the transverse pressing device, the chain wheel test piece is moved to the position right below the longitudinal impact device and in contact with the chain ring, thrust force is provided for the chain wheel test piece and the chain ring, the interaction force of the chain wheel test piece and the chain ring is increased, and the chain ring provides friction force for the chain wheel test piece when the longitudinal impact device drives the chain ring to do longitudinal reciprocating motion.
Preferably, the longitudinal impact device comprises a servo actuator, a chain ring clamp and a guide cylinder, the servo actuator and the guide cylinder are longitudinally arranged, one end of the servo actuator is fixedly connected with the chain ring clamp, the chain ring clamp is arranged below the servo actuator, the chain ring clamp is arranged right opposite to the transverse pressing device, the guide cylinder is fixed on the support frame, and the guide cylinder is sleeved on the servo actuator and is in sliding connection with the servo actuator; the servo actuator drives the chain ring to reciprocate longitudinally to provide impact force to impact the chain wheel test piece, the chain ring clamp fixes the chain ring, and the guide cylinder prevents the impact force of the servo actuator from deviating in direction.
Preferably, the transverse pressing device comprises a telescopic oil cylinder, a top plate, a work sliding table and a guide plate, wherein the telescopic oil cylinder, the work sliding table and the guide plate are all horizontally arranged, the telescopic oil cylinder and the top plate are arranged on the upper portion of the work sliding table, one end of the telescopic oil cylinder is fixedly connected with the top plate, the other end of the telescopic oil cylinder is fixedly connected with one end of the work sliding table, the other end of the work sliding table is provided with a boss, the boss is arranged opposite to the top plate, the telescopic oil cylinder telescopically drives the work sliding table and the top plate to move in opposite directions, namely the boss and the top plate are driven to move in opposite directions, so that the boss and the top plate are matched to press or loosen the sprocket test piece, during testing, the sprocket test piece and the chain ring are positioned between the boss and the top plate, the work sliding table is arranged on the upper portion of, so as to drive the chain wheel test piece to move to a position right below the longitudinal impact device and contacting the chain ring.
Preferably, the transverse pressing device further comprises a limiting block and a limiting assembly, the limiting block is located at the lower portion of the telescopic oil cylinder and is arranged on the telescopic oil cylinder, the limiting assembly comprises a fixing piece and a blocking rod, one end of the fixing piece is fixed on the guide plate and is not in contact with the working sliding table, the other end of the fixing piece is fixedly connected with the blocking rod, the blocking rod is located at the upper portion of the working sliding table and is parallel to the working sliding table, the blocking rod is not in contact with the working sliding table so that the movement of the working sliding table does not affect the limiting assembly, the lowest point of the limiting block is lower than the highest point of the blocking rod so that the limiting block moves to the blocking rod and is limited by the blocking rod to stop moving; when flexible hydro-cylinder shortened, the quality because of the roof is far less than the quality of work slip table, flexible hydro-cylinder drives the roof earlier and removes to the direction of keeping away from the boss, and boss static is apart from the increase between boss and the roof, and when the shelves pole was touched to the stopper, the roof stop movement, work slip table began to remove to the direction of keeping away from the roof, and the distance between boss and the roof continues the increase to distance two-way increase between messenger's boss and the roof.
Preferably, the support frame includes the base, and the deflector setting is on the base, and the deflector can be dismantled with the base and be connected the test piece.
Preferably, the servo actuator is provided with a longitudinal force sensor for detecting the impact force of the servo actuator in real time, the longitudinal force sensor is arranged at a position close to the top of the guide cylinder, the telescopic cylinder is provided with a transverse force sensor for detecting the thrust force of the telescopic cylinder in real time, and the transverse force sensor is arranged between the limiting block and the stop lever.
Preferably, the longitudinal impact device further comprises a friction block, the friction block is arranged at the lower part of the servo actuator so that the servo actuator drives the friction block to reciprocate longitudinally, the friction block is located between the top plate and the chain ring clamp, and the friction block and the top plate rub to offset the transverse thrust provided by the telescopic oil cylinder.
Preferably, sprocket wear test device still includes abrasive material test device, and abrasive material test device includes grinding bin, conveying pipeline, and the grinding bin is fixed on the support frame, the one end and the grinding bin intercommunication of conveying pipeline, the other end setting of conveying pipeline under vertical impact device to when experimental, the material in the grinding bin passes through the conveying pipeline and carries to sprocket test piece department, and then detects the degree of wear that sprocket test piece received the abrasive material.
Preferably, the abrasive material testing device further comprises a material receiving box, the material receiving box is arranged inside the working sliding table, a material receiving opening is formed in the working sliding table and communicated with the material receiving box, and the material receiving opening is arranged at a position close to the boss, so that the abrasive material can enter the material receiving box from the material receiving opening.
The utility model adopts the above technical scheme, its beneficial effect lies in: the longitudinal impact device drives the chain ring to longitudinally reciprocate to impact the chain wheel test piece so as to detect the chain nest abrasion degree of the chain wheel test piece under controllable impact force and impact frequency of the chain ring, the transverse clamping device fixes the chain wheel test piece, providing thrust for the chain wheel test piece and the chain ring to enable the chain wheel test piece and the chain ring to be close to each other, increasing the interaction force of contact between the chain wheel test piece and the chain ring, so as to provide friction force for the chain wheel test piece when the chain ring reciprocates longitudinally, further detect the chain nest abrasion degree of the chain wheel test piece under the chain ring friction action, before the chain wheel is put into an industrial test or used, the device is utilized to evaluate the chain nest abrasion degree of the chain wheel bearing chain ring under controllable impact force, friction force and impact frequency, so that the practical reliability of the chain wheel is effectively guaranteed, the damage amount is reduced after the chain wheel is put into the industrial test or used, and materials and resources are saved.
Drawings
FIG. 1 is a schematic structural view of a sprocket wear test apparatus with chain rings and sprocket test pieces installed.
Fig. 2 is an enlarged schematic structural diagram of a in fig. 1.
FIG. 3 is a schematic structural diagram of a sprocket wear test device.
Fig. 4 is an enlarged schematic structural diagram of B in fig. 3.
Fig. 5 is a schematic view of the structure of the longitudinal impact device.
Fig. 6 is a schematic structural view of the transverse pressing device.
Fig. 7 is a schematic diagram of a signal processing unit.
In the figure: the chain wheel abrasion testing device 10, the chain wheel testing piece 20, the chain ring 30, the longitudinal impact device 40, the servo actuator 41, the chain ring clamp 42, the guide cylinder 43, the longitudinal force sensor 44, the friction block 45, the transverse pressing device 50, the telescopic oil cylinder 51, the top plate 52, the working sliding table 53, the boss 531, the material receiving hole 532, the guide plate 54, the limiting block 55, the limiting component 56, the fixing piece 561, the stop rod 562, the transverse force sensor 57, the supporting frame 60, the base 61, the abrasive testing device 70, the abrasive bin 71, the material conveying pipe 72, the material receiving box 73, the signal processing unit 80, the first signal input port 81, the signal judging module 82, the signal output port 83, the second signal input port 84 and the signal display module 85.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 and 2, an embodiment of the present invention provides a sprocket wear testing apparatus 10 for testing how much chain pocket wear of a chain ring 30 borne by a sprocket test piece 20 cut from a sprocket under controllable impact force, friction force and impact frequency, including a longitudinal impact device 40, a transverse pressing device 50, and a supporting frame 60, wherein the longitudinal impact device 40 and the transverse pressing device 50 are both disposed on the supporting frame 60, and the longitudinal impact device 40 is located above the transverse pressing device 50; the longitudinal impact device 40 fixes the chain ring 30 and drives the chain ring 30 to reciprocate longitudinally to provide impact force to the sprocket test piece 20, the lowest point of the chain ring 30 is lower than the highest point of the sprocket test piece 20, the transverse pressing device 50 fixes the sprocket test piece 20, the sprocket test piece 20 is moved to a position right below the longitudinal impact device 40 and contacting the chain ring 30, thrust force is provided for the sprocket test piece 20 and the chain ring 30, interaction force of the sprocket test piece 20 and the chain ring 30 is increased, and the chain ring 30 provides friction force for the sprocket test piece 20 when the longitudinal impact device 40 drives the chain ring 30 to reciprocate longitudinally.
Referring to fig. 3 to 5, further, the longitudinal impact device 40 includes a servo actuator 41, a chain ring clamp 42, and a guide cylinder 43, the servo actuator 41 and the guide cylinder 43 are both longitudinally disposed, one end of the servo actuator 41 is fixedly connected to the chain ring clamp 42, the chain ring clamp 42 is disposed below the servo actuator 41, the chain ring clamp 42 is disposed opposite to the transverse pressing device 50, the guide cylinder 43 is fixed on the support frame 60, and the guide cylinder 43 is sleeved on the servo actuator 41 and slidably connected to the servo actuator 41; the servo actuator 41 reciprocates the chain ring 30 longitudinally to provide an impact force to impact the sprocket test piece 20, the chain ring holder 42 fixes the chain ring 30, and the guide cylinder 43 prevents the servo actuator 41 from deviating the direction of the impact force.
Referring to fig. 3, 4 and 6, further, the transverse pressing device 50 includes a telescopic cylinder 51, a top plate 52, a work sliding table 53 and a guide plate 54, the telescopic cylinder 51, the work sliding table 53 and the guide plate 54 are all horizontally arranged, the telescopic cylinder 51 and the top plate 52 are both arranged on the upper portion of the work sliding table 53, one end of the telescopic cylinder 51 is fixedly connected with the top plate 52, the other end of the telescopic cylinder 51 is fixedly connected with one end of the work sliding table 53, the other end of the work sliding table 53 is provided with a boss 531, the boss 531 is arranged opposite to the top plate 52, the telescopic cylinder 51 telescopically drives the work sliding table 53 and the top plate 52 to move in opposite directions, i.e. the boss 531 and the top plate 52 are driven to move in opposite directions, so that the boss 531 and the top plate 52 cooperate to press or loosen the sprocket test piece, during the test, the sprocket test piece and the chain ring 30 are located between the boss 531 and the, and the working sliding table 53 is slidably connected with the guide plate 54, so that the telescopic cylinder 51 can stretch and retract to drive the working sliding table 53 to slide on the guide plate 54, so as to drive the sprocket test piece to move to a position right below the longitudinal impact device 40 and to contact with the chain ring 30. The bottom of the work sliding table 53 is provided with a protrusion, the top of the guide plate 54 is provided with a groove, and the protrusion is matched with the groove so that the work sliding table 53 can slide on the upper portion of the guide plate 54 in a mode that the protrusion is embedded in the groove to slide.
Referring to fig. 3, 4 and 6, further, the transverse pressing device 50 further includes a limiting block 55 and a limiting assembly 56, the limiting block 55 is located at the lower portion of the telescopic cylinder 51, the limiting block 55 is disposed on the telescopic cylinder 51, the limiting assembly 56 includes a fixing member 561 and a blocking rod 562, one end of the fixing member 561 is fixed on the guide plate 54, the fixing member 561 is not in contact with the working sliding table 53, the other end of the fixing member 561 is fixedly connected with the blocking rod 562, the blocking rod 562 is located at the upper portion of the working sliding table 53, the blocking rod 562 is parallel to the working sliding table 53, the blocking rod 562 is not in contact with the working sliding table 53, so that the movement of the working sliding table 53 does not affect the limiting assembly 56, the lowest point of the limiting block 55 is lower than the highest point of the blocking rod 562, so that the limiting block 55 moves to the blocking rod 562 and is limited by the blocking rod; when the telescopic oil cylinder 51 is shortened, because the mass of the top plate 52 is far smaller than that of the working sliding table 53, the telescopic oil cylinder 51 firstly drives the top plate 52 to move towards the direction far away from the boss 531, the boss 531 is still, the distance between the boss 531 and the top plate 52 is increased, until the limiting block 55 touches the stop lever 562, the top plate 52 stops moving, the working sliding table 53 starts to move towards the direction far away from the top plate 52, and the distance between the boss 531 and the top plate 52 is continuously increased, so that the distance between the boss 531 and the top plate 52 is increased in a two-way mode.
Referring to fig. 3, 4 and 6, further, the supporting frame 60 includes a base 61, the guiding plate 54 is disposed on the base 61, the guiding plate 54 is slidably connected to the base 61, and the sliding direction of the guiding plate 54 is perpendicular to the sliding direction of the working sliding table 53, so as to facilitate the two sliding directions to cooperate with each other, and drive the sprocket test piece to move to a position right below the longitudinal impact device 40 and contact the chain ring 30 during the test.
Referring to fig. 3, 4 and 6, further, the guide plate 54 is connected to the base 61 by bolts and nuts.
Referring to fig. 5 and 6, further, a longitudinal force sensor 44 is disposed on the servo actuator 41 to detect the impact force of the servo actuator 41 in real time, the longitudinal force sensor 44 is disposed near the top of the guide cylinder 43, a transverse force sensor 57 is disposed on the telescopic cylinder 51 to detect the thrust force of the telescopic cylinder 51 in real time, and the transverse force sensor 57 is disposed between the limit block 55 and the stop lever 562. The longitudinal force sensors 44 and the transverse force sensors 57 are both spoke-type force sensors.
Referring to fig. 1 to 5, further, the longitudinal impact device 40 further includes a friction block 45, the friction block 45 is disposed at a lower portion of the servo actuator 41, so that the servo actuator 41 drives the friction block 45 to reciprocate longitudinally, the friction block 45 is located between the top plate 52 and the chain ring clamp 42, and the friction block 45 rubs against the top plate 52 to counteract the lateral thrust provided by the telescopic cylinder 51.
Please refer to fig. 3, further, the sprocket wheel wear testing apparatus 10 further includes an abrasive testing apparatus 70, the abrasive testing apparatus 70 includes an abrasive bin 71 and a material conveying pipe 72, the abrasive bin 71 is fixed on the supporting frame 60, one end of the material conveying pipe 72 is communicated with the abrasive bin 71, and the other end of the material conveying pipe 72 is disposed under the longitudinal impact device 40, so that during the test, the material in the abrasive bin 71 is conveyed to the sprocket wheel test piece through the material conveying pipe 72, and the wear degree of the sprocket wheel test piece by the abrasive is further detected. The side wall of the boss 531 is provided with a feed delivery pipe fixing hole, and the other end of the feed delivery pipe 72 passes through the feed delivery pipe fixing hole to be fixed.
Referring to fig. 3, further, the abrasive testing apparatus 70 further includes a material receiving box 73, the material receiving box 73 is disposed inside the work sliding table 53, a material receiving opening 532 is disposed on the work sliding table 53, the material receiving opening 532 is communicated with the material receiving box 73, and the material receiving opening 532 is disposed near the boss 531, so that the abrasive can enter the material receiving box 73 through the material receiving opening 532. The top of the material receiving box 73 is open, a material receiving box containing opening is formed in one side of the work sliding table 53, the material receiving box containing opening is matched with the material receiving box 73, the material receiving box 73 is embedded inside the material receiving box containing opening, the material receiving box 73 is in sliding connection with the inner side wall of the work sliding table 53, so that the material receiving box 73 can be pulled out of the work sliding table 53, and the abrasive materials inside the material receiving box 73 can be cleaned conveniently.
Referring to fig. 7, the sprocket wear testing apparatus 10 further includes a signal processing unit 80, the signal processing unit 80 includes a first signal input port 81, a signal determining module 82, a signal output port 83, a second signal input port 84, and a signal display module 85, an input end of the first signal input port 81 is electrically connected to an output end of the longitudinal force sensor 44, an output end of the first signal input port 81 is electrically connected to an input end of the signal determining module 82, an output end of the signal determining module 82 is electrically connected to an input end of the signal output port 83, an output end of the signal output port 83 is electrically connected to a control end of the servo actuator 41, a force value signal output by the longitudinal force sensor 44 is transmitted to the signal determining module 82, the signal determining module 82 determines whether the received force value signal is within a predetermined force value range, if not, the signal output port 83 outputs a signal to control the servo actuator 41 to adjust the force value, until the force value of the servo actuator 41 is within the preset force value range, the output of the servo actuator 41 is not constant due to longitudinal impact rebound, the longitudinal force sensor 44 is used for detecting in real time, a feedback signal is fed to the signal processing unit 80 for correction, the signal processing unit 80 controls a servo valve on the servo actuator 41 to correct the impact force, a closed loop is formed, and the impact force is kept within the preset force value range; the input end of the second signal input port 84 is electrically connected to the transverse force sensor 57, and the output end of the second signal input port 84 is electrically connected to the signal display module 85, so as to observe the magnitude of the static pressure output by the telescopic cylinder 51 in real time, and further adjust the static pressure of the telescopic cylinder 51 according to actual requirements.
When the device is used specifically, the telescopic oil cylinder 51 is started, the telescopic oil cylinder 51 is shortened, the distance between the top plate 52 and the boss 531 is increased, the chain ring 30 is fixed on the chain ring clamp 42, the friction block 45 is fixed at the bottom of the servo actuator 41, the chain ring 30, the friction block 45 and the servo actuator 41 are parallel, the sprocket test piece 20 is installed at a position close to the boss 531, the telescopic oil cylinder 51 is started, the telescopic oil cylinder 51 is extended, the telescopic oil cylinder 51 drives the top plate 52 and the boss 531 to move towards the mutually close direction until the sprocket test piece 20 is fixed, the guide plate 54 and the working sliding table 53 are adjusted, the sprocket test piece 20 is aligned under the servo actuator 41, the sprocket test piece 20 is in contact with the chain ring 30, the top plate 52 is in contact with the friction block 45, and at the moment, the top plate 52, the friction block 45, the chain ring clamp 42, the chain ring 30, the sprocket test piece 20 and the boss, the servo actuator 41 is started, the servo actuator 41 drives the chain ring 30 to reciprocate longitudinally to impact the chain wheel test piece 20, the chain ring 30 rubs the chain wheel test piece 20 when moving, parameters of the longitudinal force sensor 44 and the transverse force sensor 57 are detected in real time when the telescopic oil cylinder 51 and the servo actuator 41 work, the parameters are recorded, the telescopic oil cylinder 51 and the servo actuator 41 are adjusted according to actual conditions, and the chain pit abrasion degree of the chain ring 30 under controllable impact force, friction force and impact frequency borne by the chain wheel test piece 20 is finally evaluated through the parameters and test time.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a sprocket wear test device to experimental chain nest degree of wear that bears chain ring under controllable impact force, frictional force and impact number of times from sprocket test piece that cuts off, its characterized in that: the device comprises a longitudinal impact device, a transverse pressing device and a support frame, wherein the longitudinal impact device and the transverse pressing device are arranged on the support frame, and the longitudinal impact device is positioned above the transverse pressing device; the chain wheel test piece is fixed by the longitudinal impact device, the chain ring is driven to do longitudinal reciprocating motion to provide impact force for the chain wheel test piece, the lowest point of the chain ring is lower than the highest point of the chain wheel test piece, the chain wheel test piece is fixed by the transverse pressing device, the chain wheel test piece is moved to the position right below the longitudinal impact device and in contact with the chain ring, thrust force is provided for the chain wheel test piece and the chain ring, the interaction force of the chain wheel test piece and the chain ring is increased, and the chain ring provides friction force for the chain wheel test piece when the longitudinal impact device drives the chain ring to do longitudinal reciprocating motion.
2. The sprocket wear test apparatus of claim 1, wherein: the longitudinal impact device comprises a servo actuator, a chain ring clamp and a guide cylinder, wherein the servo actuator and the guide cylinder are longitudinally arranged, one end of the servo actuator is fixedly connected with the chain ring clamp, the chain ring clamp is arranged below the servo actuator, the chain ring clamp is arranged right opposite to the transverse pressing device, the guide cylinder is fixed on the support frame, and the guide cylinder is sleeved on the servo actuator and is in sliding connection with the servo actuator; the servo actuator drives the chain ring to reciprocate longitudinally to provide impact force to impact the chain wheel test piece, the chain ring clamp fixes the chain ring, and the guide cylinder prevents the impact force of the servo actuator from deviating in direction.
3. The sprocket wear test apparatus of claim 2, wherein: the transverse pressing device comprises a telescopic oil cylinder, a top plate, a working sliding table and a guide plate, wherein the telescopic oil cylinder, the working sliding table and the guide plate are horizontally arranged, the telescopic oil cylinder and the top plate are arranged on the upper part of the working sliding table, one end of the telescopic oil cylinder is fixedly connected with the top plate, the other end of the telescopic oil cylinder is fixedly connected with one end of the working sliding table, the other end of the working sliding table is provided with a boss, the boss is arranged opposite to the top plate, the telescopic oil cylinder drives the working sliding table and the top plate to move in opposite directions, namely, the lug boss and the top plate are driven to move towards opposite directions, so that the lug boss and the top plate are matched to press or loosen the chain wheel test piece, the chain wheel test piece and the chain ring are positioned between the lug boss and the top plate, the working sliding table is arranged at the upper part of the guide plate and is connected with the guide plate in a sliding way, so that the telescopic oil cylinder stretches and retracts to drive the working sliding table to slide on the guide plate, and the chain wheel test piece is driven to move to a position right below the longitudinal impact device and to contact with the chain ring.
4. The sprocket wear test apparatus of claim 3, wherein: the transverse pressing device further comprises a limiting block and a limiting assembly, the limiting block is located at the lower portion of the telescopic oil cylinder and is arranged on the telescopic oil cylinder, the limiting assembly comprises a fixing piece and a blocking rod, one end of the fixing piece is fixed on the guide plate and is not in contact with the work sliding table, the other end of the fixing piece is fixedly connected with the blocking rod, the blocking rod is located at the upper portion of the work sliding table and is parallel to the work sliding table, the blocking rod is not in contact with the work sliding table so that the movement of the work sliding table does not affect the limiting assembly, the lowest point of the limiting block is lower than the highest point of the blocking rod so that the limiting block moves to the blocking rod and is limited by the blocking rod to stop moving; when flexible hydro-cylinder shortened, the quality because of the roof is far less than the quality of work slip table, flexible hydro-cylinder drives the roof earlier and removes to the direction of keeping away from the boss, and boss static is apart from the increase between boss and the roof, and when the shelves pole was touched to the stopper, the roof stop movement, work slip table began to remove to the direction of keeping away from the roof, and the distance between boss and the roof continues the increase to distance two-way increase between messenger's boss and the roof.
5. The sprocket wear test apparatus of claim 4, wherein: the support frame includes the base, and the deflector setting is on the base, and the connection test piece can be dismantled with the base to the deflector.
6. The sprocket wear test apparatus of claim 3, wherein: the servo actuator is provided with a longitudinal force sensor for detecting the impact force of the servo actuator in real time, the longitudinal force sensor is arranged at a position close to the top of the guide cylinder, the telescopic cylinder is provided with a transverse force sensor for detecting the thrust force of the telescopic cylinder in real time, and the transverse force sensor is arranged between the limiting block and the stop lever.
7. The sprocket wear test apparatus of claim 4, wherein: the longitudinal impact device further comprises a friction block, the friction block is arranged on the lower portion of the servo actuator to enable the servo actuator to drive the friction block to reciprocate longitudinally, the friction block is located between the top plate and the chain ring clamp, and the friction block and the top plate rub to offset transverse thrust provided by the telescopic oil cylinder.
8. The sprocket wear test apparatus of claim 3, wherein: sprocket wear test device still includes abrasive material test device, and abrasive material test device includes grinding stock bin, conveying pipeline, and the grinding stock bin is fixed on the support frame, the one end and the grinding stock bin intercommunication of conveying pipeline, the other end setting of conveying pipeline under vertical impact device to when experimental, the material in the grinding stock bin is carried to sprocket test piece department through the conveying pipeline, and then detects the degree of wear that sprocket test piece received the abrasive material.
9. The sprocket wear test apparatus of claim 8, wherein: the abrasive material testing device further comprises a material receiving box, the material receiving box is arranged inside the working sliding table, a material receiving opening is formed in the working sliding table and communicated with the material receiving box, and the material receiving opening is arranged at a position close to the boss, so that abrasive materials can enter the material receiving box from the material receiving opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573838.4U CN211426144U (en) | 2019-09-20 | 2019-09-20 | Sprocket wear test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573838.4U CN211426144U (en) | 2019-09-20 | 2019-09-20 | Sprocket wear test device |
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| Publication Number | Publication Date |
|---|---|
| CN211426144U true CN211426144U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921573838.4U Expired - Fee Related CN211426144U (en) | 2019-09-20 | 2019-09-20 | Sprocket wear test device |
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| CN (1) | CN211426144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504890A (en) * | 2020-11-17 | 2021-03-16 | 沈阳化工大学 | Experimental device for simulating frictional wear of coal mine scraper conveyor |
-
2019
- 2019-09-20 CN CN201921573838.4U patent/CN211426144U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504890A (en) * | 2020-11-17 | 2021-03-16 | 沈阳化工大学 | Experimental device for simulating frictional wear of coal mine scraper conveyor |
| CN112504890B (en) * | 2020-11-17 | 2023-09-05 | 沈阳化工大学 | Experimental device for simulating friction and wear of coal mine scraper conveyor |
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Granted publication date: 20200904 |