CN116698412B - Bearing test mechanism and use method thereof - Google Patents
Bearing test mechanism and use method thereof Download PDFInfo
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- CN116698412B CN116698412B CN202310987028.8A CN202310987028A CN116698412B CN 116698412 B CN116698412 B CN 116698412B CN 202310987028 A CN202310987028 A CN 202310987028A CN 116698412 B CN116698412 B CN 116698412B
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims 2
- 238000013461 design Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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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
- G01M13/04—Bearings
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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Abstract
The invention belongs to the technical field of bearings, and discloses a bearing test mechanism and a use method thereof. According to the invention, through the cooperation among the structures such as the crankshaft, the support frame, the first support column and the third driving wheel, the device has a good detection effect on the vibration resistance performance of the joint bearing, and the crankshaft rotates through operating the power motor, so that one end of the bottom of the connecting rod reciprocates up and down, and the second driving wheel and the third driving wheel rotate, so that the joint bearing vibrates while rotating, and further the test detection effect on the vibration of the joint bearing during working is achieved.
Description
Technical Field
The invention belongs to the technical field of bearings, and particularly relates to a bearing test mechanism and a use method thereof.
Background
The miniature knuckle bearing is a mechanical universal part and is characterized in that the miniature knuckle bearing can bear working conditions of high frequency and large load under severe environment and also bear multi-angle swinging and multi-directional load. The bearing is widely applied to various industries such as aviation, aerospace, trains, automobiles, mines, machine tools, machinery and the like, and the use amount of the bearing is large at present, but because the joint bearing has the characteristics of multiple shapes, small size, wide range, large load, high movement frequency, high and low temperature environment, multiple measurement contents, multiple axis linkage and the like, the structure of the simulation test equipment is relatively complex as the simulation working condition needs to meet the complex conditions in the test process of the simulation working condition environment.
At present, people often fix the joint of the joint bearing when detecting the joint bearing, meanwhile connect the inner ring of the joint bearing with the output shaft of the motor, and drive the inner ring of the joint bearing to rotate through the rotation of the motor, so as to achieve the test detection of the durability of the joint bearing, but in the practical use process of the joint bearing, the vibration of equipment often occurs, namely the vibration condition occurs when the joint bearing is used, so that the vibration resistance of the joint bearing cannot be tested in the above mode, and therefore, a bearing test mechanism and a use method thereof are provided, so as to solve the problems proposed in the background art.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a bearing test mechanism and a use method thereof, and solves the problem that the conventional device cannot detect and test the vibration resistance of a joint bearing.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a bearing test mechanism, includes support base, support frame, three way switch and joint bearing, one side fixedly connected with power motor at support base top, power motor's output axle head fixedly connected with bent axle, the inner chamber swing joint of support frame one side has first drive wheel, the both sides fixedly connected with sleeve at support base top, both sides telescopic inner chamber swing joint has first support column and second support column respectively and both's surface has all cup jointed first spring, the inner chamber swing joint of the opposite side of first support column and second support column has first pivot and second pivot respectively, the surface of bent axle articulates there is the connecting rod, the inner chamber swing joint of support frame has the limit frame, the second spring has been cup jointed to the both sides of limit frame surface, the one end swing joint that the limit frame is close to first drive wheel has the second drive wheel, the surface transmission of second drive wheel is connected with the drive belt, the surface fixedly connected with third drive wheel of first pivot, the middle part fixedly connected with limit cover at support base top, the inner chamber swing joint at support base middle part has impact detection mechanism, the swing joint has the pivot of first drive wheel.
Preferably, the connecting mechanism comprises a connecting sleeve, the connecting sleeve is movably clamped at one end of the first rotating shaft, which is close to the second rotating shaft, a third spring is sleeved on the outer surface of the first rotating shaft, two ends of the third spring are fixedly connected with the first rotating shaft and the connecting sleeve respectively, a spline groove is formed in the outer surface of the second rotating shaft, which is close to one end of the first rotating shaft, and an inner cavity of the spline groove is clamped with the connecting sleeve in a matching manner.
Preferably, the impact detection mechanism comprises a connecting rod and a fourth spring, wherein the connecting rod is movably clamped in the middle of the supporting base, a J-shaped rod, a first clamping block and a second clamping block are movably clamped in the inner cavity of the supporting base, a connecting pipeline is fixedly connected to the inner cavity of the supporting base, the connecting pipeline is positioned outside the supporting base and is close to a first one-way valve which is fixedly connected to one end of the sleeve, one side of the connecting pipeline, far away from the power motor, is fixedly connected with a second one-way valve which is arranged on the side wall of the bottom of the sleeve, two sides of the lower surface of the first clamping block are fixedly connected with first elastic pieces, one end of the bottom of the second clamping block is fixedly connected with a second elastic piece, and an impact ring and a fifth spring are sleeved on the outer surface of the second rotating shaft.
Preferably, the crankshaft is fixedly connected with the first driving wheel, one end, close to the supporting base, of the bottom of the supporting frame is fixedly connected with the supporting base, a through hole is formed in the bottom of the sleeve, close to one side of the power motor, the top and the bottom of the first spring positioned on the outer surface of the first supporting column are fixedly connected with the first supporting column and the sleeve respectively, and the top and the bottom of the first spring positioned on the outer surface of the second supporting column are fixedly connected with the second supporting column and the sleeve respectively.
Preferably, the inner cavity at one end of the bottom of the connecting rod is movably connected with the outer surface of the first support column, the first driving wheel, the second driving wheel and the third driving wheel are in driving connection through a driving belt, the axis of the first driving wheel is the same as the axis of the power motor, and two ends of the second spring are fixedly connected with the limiting frame and the support frame respectively.
Preferably, the limiting sleeve is made of plastic materials and is in a semi-arc shape, the joint bearing joint part is matched and clamped with the inner cavity of the limiting sleeve, and the three-way switch is arranged on the connecting pipeline and is positioned between the first one-way valve and the sleeve.
Preferably, one end of the top of the connecting pipeline is communicated with the inner cavity of the supporting base, and one end of the bottom of the connecting pipeline penetrates through the side wall of the sleeve and extends to the inside of the sleeve.
Preferably, one end of the first one-way valve far away from the second one-way valve is an output port, one end of the first one-way valve close to the sleeve is an input port, one end of the second one-way valve located inside the sleeve is an output port, and one end of the second one-way valve located outside the sleeve is an input port.
Preferably, one end at the top of the first clamping block is an inclined plane and is matched and extruded with the connecting rod, one end at the bottom of the first clamping block is an inclined plane and is matched and extruded with the inner cavity of the J-shaped rod, one end at the bottom of the first elastic piece is fixedly connected with the supporting base, one end at the top of the second clamping block is matched and extruded with the connecting rod, the bottom of the inner cavity of the second clamping block is an inclined plane and is matched and clamped with the inner cavity of the J-shaped rod, the bottom of the second elastic piece is fixedly connected with the supporting base, one end at the top of the J-shaped rod is matched and sealed with the inner cavity of the supporting base, the diameter of one end at the top of the J-shaped rod is smaller than that of the inner cavity of the supporting base, the fourth spring is sleeved on the outer part of the J-shaped rod, two ends of the fourth spring are fixedly connected with the supporting base respectively, one end at the top of the connecting rod is movably clamped with the inner cavity at the middle lower part of the impact ring, and two ends of the fifth spring are fixedly connected with the impact ring and the second support column.
The application method of the bearing test mechanism comprises the following application steps:
s1, firstly, an operator moves a connecting sleeve to one side close to a first rotating shaft, so that a third spring is compressed, meanwhile, the connecting sleeve is disconnected with the first rotating shaft and a second rotating shaft, at the moment, the operator can sleeve a joint bearing on the second rotating shaft through a gap between the first rotating shaft and the second rotating shaft, and meanwhile, the joint of the second rotating shaft is clamped into the limiting sleeve through an opening of the limiting sleeve, so that the operation is completed;
s2, an operator runs a power motor to enable a crankshaft to rotate, so that one end of the bottom of a connecting rod reciprocates in the up-down direction, at the moment, one end of the bottom of the connecting rod also extrudes a first support column and drives a second support column to reciprocate in the up-down direction through a first rotating shaft, a second rotating shaft and a connecting mechanism, so that the joint bearing reciprocates in the uppermost-down direction, the vibration effect is achieved, meanwhile, the rotation of the crankshaft also drives a first driving wheel to rotate, and therefore the second driving wheel and a third driving wheel rotate, the joint bearing vibrates while the joint bearing rotates, and the test detection effect of vibration of the joint bearing during working is achieved;
s3, when the operator still needs to detect the impact resistance of the joint bearing in the vibration process, the three-way switch is opened at the moment, so that the three-way switch is communicated with the inner cavity of the supporting base, at the moment, the second supporting column moves downwards, so that gas in the sleeve moves towards one side far away from the joint bearing through the impact ring of the first one-way valve, at the moment, the fifth spring is compressed, when the connecting rod extrudes the first clamping block and enables the first clamping block to move downwards, at the moment, the first clamping block also extrudes the inside of the first elastic piece, and the J-shaped rod moves towards one side close to the first one-way valve, at the moment, the sealing of the inner cavity of the supporting base is released, at the moment, the impact ring is extruded under the action of the fifth spring force, and the gas in the inner cavity of the supporting base is discharged under the extrusion of the connecting rod, so that the operation is completed.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the cooperation among the structures such as the crankshaft, the support frame, the first support column and the third driving wheel, the device has good detection effect on vibration resistance of the joint bearing, the crankshaft rotates by operating the power motor, so that one end of the bottom of the connecting rod reciprocates in the up-down direction, at the moment, one end of the bottom of the connecting rod also extrudes the first support column and drives the second support column to reciprocate in the up-down direction through the first rotating shaft, the second rotating shaft and the connecting mechanism, so that the joint bearing reciprocates in the uppermost-down direction, the vibration effect is achieved, meanwhile, the rotation of the crankshaft drives the first driving wheel to rotate, so that the second driving wheel and the third driving wheel rotate, the joint bearing vibrates while the joint bearing rotates, and the test detection effect on vibration of the joint bearing during operation is achieved;
according to the invention, through the cooperation among the structures such as the connecting pipeline, the J-shaped rod, the connecting rod, the second elastic piece and the like, the device has the effect of detecting the good impact resistance of the joint bearing, the three-way switch is opened to enable the connecting pipeline to be communicated with the inner cavity of the sleeve, at the moment, the second support column downwards moves to enable gas in the sleeve to be conveyed into the inner part of the support base through the first one-way valve and the connecting pipeline, so that the connecting rod is pushed to drive the impact ring to move towards one side far away from the joint bearing, at the moment, the fifth spring is compressed, when the connecting rod presses the first clamping block and enables the first clamping block to downwards move, at the moment, the first clamping block also presses the inner part of the first elastic piece and enables the J-shaped rod to move towards one side close to the first one-way valve, at the moment, the sealing of the inner cavity of the support base is released at the top of the J-shaped rod is released, at the moment, the impact ring is pressed against the joint bearing under the action of the elastic force of the fifth spring, and the gas in the inner cavity of the support base is discharged under the pressing of the connecting rod;
according to the invention, through the cooperation among the structures such as the first rotating shaft, the second rotating shaft, the connecting sleeve, the spline groove and the like, the device has the effect of being convenient for people to place the joint bearing, the third spring is compressed by moving the connecting sleeve to one side close to the first rotating shaft, and meanwhile, the connecting sleeve is disconnected with the first rotating shaft and the second rotating shaft, at the moment, an operator can sleeve the joint bearing on the second rotating shaft through a gap between the first rotating shaft and the second rotating shaft, and meanwhile, the joint part of the second rotating shaft is clamped into the interior of the limiting sleeve through an opening part of the limiting sleeve.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view at C in FIG. 2;
FIG. 6 is an exploded view of the present invention at a first support column;
FIG. 7 is an exploded view of the present invention at the connection sleeve;
fig. 8 is an exploded view of the present invention at the junction of pipes.
In the figure: 1. a support base; 2. a power motor; 3. a crankshaft; 4. a support frame; 5. a first driving wheel; 6. a sleeve; 7. a first support column; 8. a first spring; 9. a connecting rod; 10. a second driving wheel; 11. a third driving wheel; 12. a limiting frame; 13. a second spring; 14. a transmission belt; 15. a first rotating shaft; 16. a second rotating shaft; 17. a connecting mechanism; 171. connecting sleeves; 172. a third spring; 173. spline grooves; 18. an impact detection mechanism; 181. a connecting rod; 182. a connecting pipe; 183. a J-shaped rod; 184. a first one-way valve; 185. a second one-way valve; 186. a first clamping block; 187. a first elastic sheet; 188. a fourth spring; 189. a second clamping block; 1810. a second spring plate; 1811. an impact ring; 1812. a fifth spring; 19. a knuckle bearing; 20. a limiting sleeve; 21. a second support column; 22. and a three-way switch.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The invention provides a bearing test mechanism and a use method thereof, and the bearing test mechanism and the use method thereof are described in detail below with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It will be understood that the meanings of "on … …", "over … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" but also includes meaning "directly on" something with intervening features or layers therebetween, and "over … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1 to 8, the invention provides a bearing test mechanism, which comprises a supporting base 1, a supporting frame 4, a three-way switch 22 and a joint bearing 19, wherein one side of the top of the supporting base 1 is fixedly connected with a power motor 2, the output shaft end of the power motor 2 is fixedly connected with a crankshaft 3, an inner cavity at one side of the supporting frame 4 is movably clamped with a first driving wheel 5, two sides of the top of the supporting base 1 are fixedly connected with sleeves 6, inner cavities at two sides of the sleeves 6 are respectively and movably connected with a first supporting column 7 and a second supporting column 21, the outer surfaces of the two side of the supporting column are respectively sleeved with a first spring 8, inner cavities at one side of the first supporting column 7 and one side of the second supporting column 21 are respectively and movably clamped with a first rotating shaft 15 and a second rotating shaft 16, the outer surface of the crankshaft 3 is hinged with a connecting rod 9, the inner cavity of the supporting frame 4 is movably clamped with a limiting frame 12, two sides of the outer surface of the limiting frame 12 are sleeved with a second spring 13, one end of the limiting frame 12 close to the first driving wheel 5 is movably clamped with a second driving wheel 10, the outer surface of the second driving wheel 10 is connected with a driving belt 14, the outer surface of the first rotating shaft 15 is fixedly connected with a third driving wheel 11, the middle part of the supporting base 1 is fixedly connected with a middle part 20, the middle part of the supporting base 1 is fixedly connected with an inner cavity of the first rotating shaft 17, and the impact detection mechanism is movably connected with the outer surface of the limiting driving wheel 17; the crankshaft 3 is rotated by operating the power motor 2, so that one end of the bottom of the connecting rod 9 reciprocates in the vertical direction, at the moment, one end of the bottom of the connecting rod 9 also extrudes the first support column 7 and drives the second support column 21 to reciprocate in the vertical direction through the first rotating shaft 15, the second rotating shaft 16 and the connecting mechanism 17, so that the joint bearing 19 reciprocates in the uppermost vertical direction, the vibration effect is achieved, meanwhile, the rotation of the crankshaft 3 also drives the first driving wheel 5 to rotate, the second driving wheel 10 and the third driving wheel 11 rotate, the joint bearing 19 vibrates while the joint bearing 19 rotates, and the test and detection effect of vibration of the joint bearing 19 during operation is achieved.
As shown in fig. 1, 2, 4, 6 and 7, the connecting mechanism 17 comprises a connecting sleeve 171, the connecting sleeve 171 is movably clamped at one end of the first rotating shaft 15, which is close to the second rotating shaft 16, a third spring 172 is sleeved on the outer surface of the first rotating shaft 15, two ends of the third spring 172 are respectively fixedly connected with the first rotating shaft 15 and the connecting sleeve 171, a spline groove 173 is formed in the outer surface of the second rotating shaft 16, which is close to one end of the first rotating shaft 15, and an inner cavity of the spline groove 173 is matched and clamped with the connecting sleeve 171; by moving the connecting sleeve 171 to the side close to the first shaft 15, the third spring 172 is compressed, and the connecting sleeve 171 releases the connection between the first shaft 15 and the second shaft 16, so that an operator can sleeve the knuckle bearing 19 on the second shaft 16 through the gap between the first shaft 15 and the second shaft 16, and the knuckle of the second shaft 16 is clamped into the interior of the limiting sleeve 20 through the opening of the limiting sleeve 20.
As shown in fig. 1, fig. 2, fig. 5 and fig. 8, the impact detection mechanism 18 comprises a connecting rod 181, the connecting rod 181 is movably clamped in the middle of the supporting base 1, a J-shaped rod 183, a first clamping block 186 and a second clamping block 189 are movably clamped in the inner cavity of the supporting base 1, a connecting pipeline 182 is fixedly connected in the inner cavity of the supporting base 1, the connecting pipeline 182 is positioned outside the supporting base 1 and is close to one end of the sleeve 6, a first one-way valve 184 is fixedly connected to the side wall of the bottom of the sleeve 6 far away from one side of the power motor 2, a second one-way valve 185 is fixedly connected to the side wall of the bottom of the sleeve 6, a first elastic sheet 187 is fixedly connected to two sides of the lower surface of the first clamping block 186, a second elastic sheet 1810 is fixedly connected to one end of the bottom of the second clamping block 189, and an impact ring 1811 and a fifth spring 1812 are sleeved on the outer surface of the second rotating shaft 16; by opening the three-way switch 22, the three-way switch 22 communicates the connecting pipeline 182 with the inner cavity of the sleeve 6, at this time, the second support column 21 can enable gas inside the sleeve 6 to be conveyed to the inside of the support base 1 through the first one-way valve 184 and the connecting pipeline 182 when moving downwards, thereby pushing the connecting rod 181 to drive the impact ring 1811 to move towards the side far away from the joint bearing 19, at this time, the fifth spring 1812 is compressed, when the connecting rod 181 presses the first clamping block 186 and enables the first clamping block 186 to move downwards, at this time, the first clamping block 186 also presses the inside of the first elastic sheet 187 and enables the J-shaped rod 183 to move towards the side close to the first one-way valve 184, at this time, one end of the top of the J-shaped rod 183 will release the seal of the inner cavity of the support base 1, at this time, under the action of the fifth spring 1812, the impact ring 1811 will be pressed against the joint bearing 19, and at this time, the gas in the inner cavity of the support base 1 will be discharged under the pressing of the connecting rod 181.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 6 and fig. 7, the crankshaft 3 is fixedly connected with the first driving wheel 5, one end of the bottom of the supporting frame 4, which is close to the supporting base 1, is fixedly connected with the supporting base 1, the bottom of the sleeve 6, which is close to one side of the power motor 2, is provided with a through hole, the top and the bottom of the first spring 8, which are positioned on the outer surface of the first supporting column 7, are respectively fixedly connected with the first supporting column 7 and the sleeve 6, the top and the bottom of the first spring 8, which are positioned on the outer surface of the second supporting column 21, are respectively fixedly connected with the second supporting column 21 and the sleeve 6, the inner cavity at one end of the connecting rod 9 is movably connected with the outer surface of the first supporting column 7, the first driving wheel 5, the second driving wheel 10 and the third driving wheel 11 are in driving connection through a driving belt 14, the axis of the first driving wheel 5 is the same as that of the power motor 2, the two ends of the second spring 13 are respectively fixedly connected with the limiting frame 12 and the supporting frame 4, the limiting sleeve 20 is made of a plastic material and is in a half arc shape, the joint part of the joint bearing 19 is in cooperation with the inner cavity of the limiting sleeve 20, and the three-way switch 22 is positioned on the connecting pipe 182 between the first one-way valve 184 and the sleeve 6; through the design of the limiting frame 12, when the connecting rod 9 drives the first support column 7 and enables the first rotating shaft 15 to move downwards, the third driving wheel 11 also descends at the moment, because the length of the driving belt 14 is fixed, when the third driving wheel 11 moves downwards, the second driving wheel 10 moves towards one side close to the third driving wheel 11 under the limit of the limiting frame 12, the effect of the lacking length of the driving belt 14 when the third driving wheel 11 descends is compensated, and meanwhile, the design of the limiting sleeve 20 ensures the fixing effect of the device on the outer ring of the joint bearing 19.
As shown in fig. 1, 2, 5 and 8, one end of the top of the connecting pipe 182 is communicated with the inner cavity of the supporting base 1, one end of the bottom of the connecting pipe 182 penetrates through the side wall of the sleeve 6 and extends into the sleeve 6, one end of the first one-way valve 184, which is far away from the second one-way valve 185, is an output port, one end of the second one-way valve 185, which is close to the sleeve 6, is an input port, one end of the second one-way valve 185, which is located in the sleeve 6, is an output port, one end of the top of the connecting rod 181 is movably clamped with the inner cavity of the middle lower part of the impact ring 1811, and two ends of the fifth spring 1812 are fixedly connected with the impact ring 1811 and the second support column 21; through the design of second check valve 185 and first check valve 184 to guaranteed that second support column 21 carries out the effect of supplementing gas to sleeve 6 inside when moving up, and then the continuous effect of carrying gas to connecting tube 182 of device of being convenient for, cooperation between connecting rod 181 and the fifth spring 1812 simultaneously, thereby prevent that second support column 21 can't drive the appearance of the condition of impact ring 1811 down movement, guaranteed simultaneously that connecting rod 181 has the effect of pulling impact ring 1811 to the side of keeping away from joint bearing 19.
As shown in fig. 1, fig. 2, fig. 5 and fig. 8, one end of the top of the first clamping block 186 is an inclined plane and is matched and extruded with the connecting rod 181, one end of the bottom of the first clamping block 186 is an inclined plane and is matched and extruded with the inner cavity of the J-shaped rod 183, one end of the bottom of the first elastic piece 187 is fixedly connected with the supporting base 1, one end of the top of the second clamping block 189 is matched and extruded with the connecting rod 181, the bottom of the inner cavity of the second clamping block 189 is an inclined plane and is matched and clamped with the inner cavity of the J-shaped rod 183, the bottom of the inner cavity of the second elastic piece 1810 is fixedly connected with the supporting base 1, one end of the top of the J-shaped rod 183 is matched and sealed with the inner cavity of the supporting base 1, the diameter of one end of the top of the J-shaped rod 183 is smaller than the diameter of the inner cavity of the supporting base 1, the fourth spring 188 is sleeved outside the J-shaped rod 183, and the two ends of the fourth spring 188 are respectively fixedly connected with the fourth spring 188 and the supporting base 1; through the design of the second clamping block 189, when the first clamping block 186 extrudes the J-shaped rod 183 to move and enables the inner cavity of the support base 1 to be communicated with the outside, at the moment, the movement of the J-shaped rod 183 also enables the bottom of the inner cavity of the second clamping block 189 to be clamped with the J-shaped rod 183, so that the J-shaped rod 183 is kept in an opened state for the inner cavity of the support base 1 continuously, the inner cavity pressure of the support base 1 is convenient to restore to normal, the fifth spring 1812 is convenient to extrude the impact ring 1811 to impact the knuckle bearing 19, meanwhile, the connecting rod 181 is enabled to reset, when the connecting rod 181 extrudes one end of the top of the second clamping block 189, the second clamping block 189 is enabled to move downwards at the moment, the clamping connection of the J-shaped rod 183 is released, and meanwhile, the J-shaped rod 183 is enabled to reset under the elastic force of the fourth spring 188 and the inner cavity of the support base 1 is sealed, and the device is convenient to continuously impact the knuckle bearing 19.
It is worth mentioning that: when the operator does not need to impact the knuckle bearing 19, the three-way switch 22 is rotated at this time, so that the three-way switch 22 is closed to be communicated with the connecting pipeline 182, and meanwhile, the inner cavity of the sleeve 6 is communicated with the outside through the three-way switch 22, and at this time, gas inside the sleeve 6 cannot enter the connecting pipeline 182, so that the operation is completed.
Firstly, an operator moves the connecting sleeve 171 to the side close to the first rotating shaft 15, so that the third spring 172 is compressed, meanwhile, the connecting sleeve 171 releases the connection of the first rotating shaft 15 and the second rotating shaft 16, at the moment, the operator can sleeve the joint bearing 19 on the second rotating shaft 16 through a gap between the first rotating shaft 15 and the second rotating shaft 16, and meanwhile, the joint of the second rotating shaft 16 is clamped into the limiting sleeve 20 through an opening of the limiting sleeve 20, so that the operation is completed;
then, an operator runs the power motor 2 to enable the crankshaft 3 to rotate, so that one end of the bottom of the connecting rod 9 reciprocates in the up-down direction, at the moment, one end of the bottom of the connecting rod 9 also extrudes the first support column 7 and drives the second support column 21 to reciprocate in the up-down direction through the first rotating shaft 15, the second rotating shaft 16 and the connecting mechanism 17, so that the joint bearing 19 reciprocates in the uppermost-down direction, the vibration effect is achieved, meanwhile, the rotation of the crankshaft 3 drives the first driving wheel 5 to rotate, so that the second driving wheel 10 and the third driving wheel 11 rotate, the joint bearing 19 vibrates while the joint bearing 19 rotates, and the test detection effect of vibration of the joint bearing 19 during working is achieved;
when the operator needs to detect the impact resistance of the knuckle bearing 19 in the vibration process, the three-way switch 22 is opened at this time to enable the three-way switch 22 to communicate the connecting pipeline 182 with the inner cavity of the sleeve 6, at this time, the second support column 21 is conveyed to the inner cavity of the support base 1 through the first one-way valve 184 and the connecting pipeline 182 when moving downwards, thereby pushing the connecting rod 181 to drive the impact ring 1811 to move towards the side far away from the knuckle bearing 19, at this time, the fifth spring 1812 is compressed, when the connecting rod 181 presses the first clamping block 186 and enables the first clamping block 186 to move downwards, at this time, the first clamping block 186 also presses the inner part of the first elastic sheet 187 and enables the J-shaped rod 183 to move towards the side close to the first one-way valve 184, at this time, one end at the top of the J-shaped rod 183 will release the seal of the inner cavity of the support base 1, at this time, the impact ring 1811 will be pressed against the knuckle bearing 19 under the action of the fifth spring 1812, and at this time, the gas in the inner cavity of the support base 1 will be discharged under the pressing of the connecting rod 181, and the action of the fifth spring 181, thus completing the operation.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the following description of preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the embodiments described above may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as: ROM/RAM, magnetic disks, optical disks, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (2)
1. The utility model provides a bearing test mechanism, includes support base, support frame, three way switch and joint bearing, its characterized in that: the device comprises a supporting base, a power motor, a crankshaft, a first driving wheel, a sleeve, a first supporting column, a second supporting column, a first spring, a first rotating shaft, a second rotating shaft, a connecting rod, a limiting frame, a second spring, a second driving wheel, a driving belt, a third driving wheel, a limiting sleeve, an impact detection mechanism and a connecting mechanism, wherein the power motor is fixedly connected to one side of the top of the supporting base;
the connecting mechanism comprises a connecting sleeve, the connecting sleeve is movably clamped at one end of the first rotating shaft, which is close to the second rotating shaft, a third spring is sleeved on the outer surface of the first rotating shaft, two ends of the third spring are fixedly connected with the first rotating shaft and the connecting sleeve respectively, a spline groove is formed in the outer surface of the second rotating shaft, which is close to one end of the first rotating shaft, and an inner cavity of the spline groove is matched and clamped with the connecting sleeve;
the impact detection mechanism comprises a connecting rod and a fourth spring, wherein the connecting rod is movably clamped in the middle of a supporting base, a J-shaped rod, a first clamping block and a second clamping block are movably clamped in an inner cavity of the supporting base, a connecting pipeline is fixedly connected to the inner cavity of the supporting base, the connecting pipeline is positioned outside the supporting base and is close to one end of a sleeve, a first one-way valve is fixedly connected to the side wall of the bottom of the sleeve, which is far away from one side of the power motor, a second one-way valve is fixedly connected to the side wall of the bottom of the sleeve, a first elastic sheet is fixedly connected to two sides of the lower surface of the first clamping block, a second elastic sheet is fixedly connected to one end of the bottom of the second clamping block, and an impact ring and a fifth spring are sleeved on the outer surface of the second rotating shaft;
the crankshaft is fixedly connected with the first driving wheel, one end, close to the supporting base, of the bottom of the supporting frame is fixedly connected with the supporting base, a through hole is formed in the bottom of the sleeve, close to one side of the power motor, the top and the bottom of the first spring positioned on the outer surface of the first supporting column are respectively and fixedly connected with the first supporting column and the sleeve, and the top and the bottom of the first spring positioned on the outer surface of the second supporting column are respectively and fixedly connected with the second supporting column and the sleeve;
the inner cavity at one end of the bottom of the connecting rod is movably connected with the outer surface of the first support column, the first driving wheel, the second driving wheel and the third driving wheel are in driving connection through a driving belt, the axis of the first driving wheel is the same as the axis of the power motor, and two ends of the second spring are fixedly connected with the limiting frame and the support frame respectively;
the limiting sleeve is made of plastic materials and is semi-arc, the joint part of the joint bearing is matched and clamped with the inner cavity of the limiting sleeve, and the three-way switch is arranged on the connecting pipeline and is positioned between the first one-way valve and the sleeve;
one end of the top of the connecting pipeline is communicated with the inner cavity of the supporting base, and one end of the bottom of the connecting pipeline penetrates through the side wall of the sleeve and extends into the sleeve;
one end of the first one-way valve, which is far away from the second one-way valve, is an output port, one end of the first one-way valve, which is close to the sleeve, is an input port, one end of the second one-way valve, which is positioned in the sleeve, is an output port, and one end of the second one-way valve, which is positioned outside the sleeve, is an input port;
the one end at first fixture block top is the inclined plane and extrudees with the connecting rod cooperation, the one end at first fixture block bottom is the inclined plane and extrudees with the inner chamber cooperation of J shape pole, the one end and the support base fixed connection at first shell fragment bottom, the one end and the connecting rod cooperation extrusion at second fixture block top, the bottom of second fixture block inner chamber is inclined plane form and with the inner chamber cooperation joint of J shape pole the bottom and the support base fixed connection of second shell fragment, the one end and the inner chamber cooperation of support base at J shape pole top are sealed, the diameter of J shape pole top one end is less than the diameter of support base inner chamber, the outside at J shape pole is cup jointed to the fourth spring and support base fixed connection respectively at both ends, the one end at connecting rod top and the inner chamber swing joint of the lower part in the impact ring, the both ends and the impact ring and the second support column fixed connection of fifth spring.
2. A method of using a bearing testing mechanism as defined in claim 1, comprising the steps of:
s1, firstly, an operator moves a connecting sleeve to one side close to a first rotating shaft, so that a third spring is compressed, meanwhile, the connecting sleeve is disconnected with the first rotating shaft and a second rotating shaft, at the moment, the operator can sleeve a joint bearing on the second rotating shaft through a gap between the first rotating shaft and the second rotating shaft, and meanwhile, the joint of the second rotating shaft is clamped into the limiting sleeve through an opening of the limiting sleeve, so that the operation is completed;
s2, an operator runs a power motor to enable a crankshaft to rotate, so that one end of the bottom of a connecting rod reciprocates in the up-down direction, at the moment, one end of the bottom of the connecting rod also extrudes a first support column and drives a second support column to reciprocate in the up-down direction through a first rotating shaft, a second rotating shaft and a connecting mechanism, so that the joint bearing reciprocates in the uppermost-down direction, the vibration effect is achieved, meanwhile, the rotation of the crankshaft also drives a first driving wheel to rotate, and therefore the second driving wheel and a third driving wheel rotate, the joint bearing vibrates while the joint bearing rotates, and the test detection effect of vibration of the joint bearing during working is achieved;
s3, when the operator still needs to detect the impact resistance of the joint bearing in the vibration process, the three-way switch is opened at the moment, so that the three-way switch is communicated with the inner cavity of the supporting base, at the moment, the second supporting column moves downwards, so that gas in the sleeve moves towards one side far away from the joint bearing through the impact ring of the first one-way valve, at the moment, the fifth spring is compressed, when the connecting rod extrudes the first clamping block and enables the first clamping block to move downwards, at the moment, the first clamping block also extrudes the inside of the first elastic piece, and the J-shaped rod moves towards one side close to the first one-way valve, at the moment, the sealing of the inner cavity of the supporting base is released, at the moment, the impact ring is extruded under the action of the fifth spring force, and the gas in the inner cavity of the supporting base is discharged under the extrusion of the connecting rod, so that the operation is completed.
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| CN117054094B (en) * | 2023-09-14 | 2024-02-23 | 佳木斯电机股份有限公司 | Bearing vibration detection equipment and use method thereof |
| CN117990367A (en) * | 2024-04-07 | 2024-05-07 | 山东泰扬精密轴承制造有限公司 | Bearing test mechanism and use method thereof |
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