CN214121596U - Detection device for detecting whether bearing is damaged - Google Patents
Detection device for detecting whether bearing is damaged Download PDFInfo
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- CN214121596U CN214121596U CN202120316523.2U CN202120316523U CN214121596U CN 214121596 U CN214121596 U CN 214121596U CN 202120316523 U CN202120316523 U CN 202120316523U CN 214121596 U CN214121596 U CN 214121596U
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Abstract
The utility model relates to a detection device for detecting whether bearing damages, including frame, mounting bracket, controller and motor, the frame is installed linear drive mechanism, and the lower extreme of mounting bracket is rotatable installs first pivot and second pivot, and first pinch roller and second pinch roller are installed respectively to the one end of first pivot and second pivot, and the motor is fixed in the mounting bracket to link to each other with first pivot through drive mechanism, and the one end of second pivot is provided with the encoder; the linear driving mechanism is connected with the mounting rack and is used for driving the mounting rack to vertically lift/descend under the control of the controller; the motor and the encoder are respectively connected with the controller, the controller is used for controlling the first pressure wheel to rotate for a set number of turns, and the encoder is used for detecting the number of turns of the second pressure wheel and transmitting the number of turns to the controller; this detection device can detect whether take place to damage in the assembly process at the bearing of shaft of assembling, need not rely on artificial experience, has characteristics such as the cost of labor is low, detection accuracy height.
Description
Technical Field
The utility model relates to a bearing detects technical field, concretely relates to a detection device for whether be used for detecting the bearing to damage.
Background
The wheel set commonly used in the prior art of rail transportation generally comprises a wheel axle and wheels symmetrically arranged on the wheel axle, and a shaft section for mounting a bearing is reserved between the wheels and the end of the wheel axle, as shown in fig. 1, an inner ring of the bearing is mounted on the wheel axle, a front cover assembly is generally mounted at the end of the wheel axle, the front cover assembly generally comprises a front cover (or called an end cover, a pressing plate), a nameplate, a stop plate and a plurality of bolts, and through holes are respectively arranged at corresponding positions on the front cover, the nameplate and the stop plate so as to be mounted at the end of the wheel axle through the bolts.
In the prior art, when a bearing is assembled, an inner ring of the bearing is usually sleeved on a wheel shaft in a hot assembly mode (namely interference fit), and the bearing is easily damaged in the assembly process, so that the rotating resistance of a bearing outer ring relative to the bearing inner ring is increased, the bearing outer ring cannot smoothly rotate relative to the bearing inner ring, and even the bearing outer ring is stuck after the bearing is damaged; after the bearing is assembled, it is usually necessary to detect whether the bearing is damaged during the assembly process; however, in the prior art, it is usually only possible to manually detect whether the bearing assembled behind the wheel axle is damaged in the assembling process, and there are problems of troublesome operation, large workload, inaccurate detection, need to rely on experience, and the like, and a solution is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to improve exist not enough among the prior art, provide a detection device, compact structure, reasonable in design not only can detect whether the bearing of assembling in the shaft takes place to damage in the assembling process, need not rely on the experience of labor moreover, have degree of automation height, cost of labor low, detect characteristics such as precision height, can effectively solve the not enough of prior art existence.
The utility model adopts the technical proposal that:
in order to solve the problems of troublesome operation, large workload, inaccurate detection and the like existing in the prior art when detecting whether a bearing assembled on a wheel axle is damaged in the assembling process, the detection device for detecting whether the bearing is damaged comprises a rack, a mounting rack, a controller and a motor, wherein the rack is provided with a linear driving mechanism, wherein,
a first rotating shaft and a second rotating shaft are rotatably arranged at the lower end of the mounting frame, a first pressing wheel and a second pressing wheel which are used for contacting with an outer ring of a bearing are respectively arranged at one ends of the first rotating shaft and the second rotating shaft, the motor is fixed on the mounting frame and is connected with the first rotating shaft through a transmission mechanism, and an encoder is arranged at one end of the second rotating shaft;
the linear driving mechanism is connected with the mounting frame and used for driving the mounting frame to vertically ascend under the control of the controller so as to be far away from the outer ring of the bearing and driving the mounting frame to vertically descend under the control of the controller so as to enable the first pressing wheel and the second pressing wheel to respectively contact the outer ring of the bearing;
the motor and the encoder are respectively connected with the controller, the controller is used for controlling the first pinch roller to rotate for a set number of turns, and the encoder is used for detecting the number of turns of the second pinch roller and transmitting the number of turns to the controller. In the scheme, when the bearing is required to be detected whether to be damaged in the assembling process, the controller can drive the linear driving mechanism to act, so that the mounting frame can descend along the vertical direction, the first pressure wheel and the second pressure wheel respectively contact and press the outer ring of the bearing, then the controller can control the motor to rotate, so as to drive the first pressure wheel to rotate, the outer ring of the bearing can be driven to rotate by utilizing the friction force between the first pressure wheel and the outer ring of the bearing, the second pressure wheel can be driven to rotate by the rotation of the outer ring of the bearing, when the second pressure wheel rotates, the number of turns of the passive rotation of the second pressure wheel can be recorded by the encoder and is sent to the controller, the controller can accurately judge whether the bearing is damaged in the assembling process or not by comparing the number of turns of the second pressure wheel with the number of turns of the first pressure wheel, the resistance of the relative rotation of the inner ring and the outer ring of the bearing is evaluated, and the like, the automatic detection device has the advantages of high automation degree, low labor cost and high detection precision, has remarkable progress compared with the prior art, and can effectively overcome the defects in the prior art.
Preferably, the first rotating shaft and the second rotating shaft are arranged at the same height of the mounting rack; and/or the first and second pucks are the same size.
In the first scheme, the linear driving mechanism comprises an air cylinder, a hydraulic cylinder or an electric push rod, and the air cylinder, the hydraulic cylinder or the electric push rod is fixed on the rack and connected with the mounting rack.
Preferably, the cylinder comprises a cylinder body, a guide rod and an end plate, one end of the guide rod is arranged on the cylinder body, the other end of the guide rod is connected with the end plate, and the guide rod is arranged along the vertical direction; the cylinder body is fixed on the rack, and the mounting rack is connected with the end plate; the cylinder body is connected with the controller and is used for driving the guide rod to extend/retract along the vertical direction under the control of the controller. In this scheme, adopt the cylinder drive frame action, height along vertical direction of control mounting bracket that can be convenient, quick, accurate.
According to the second scheme, the linear driving mechanism comprises a driving motor, a screw rod, nuts and a guide mechanism, the nuts are sleeved on the screw rod, the screw rod is rotatably installed on the rack and distributed along the vertical direction, and the nuts and the screw rod form a spiral transmission mechanism;
the guide mechanism is fixed on the rack and is connected with the mounting rack, the nut is connected with the guide mechanism and/or the mounting rack, and the driving motor is connected with the controller and used for driving the screw rod to rotate under the control of the controller.
In order to realize the transmission and guiding functions, preferably, the guiding mechanism comprises a sliding block and a sliding rail, the sliding rail is fixed to the rack along the vertical direction, the sliding block is arranged on the sliding rail and forms a moving pair with the sliding rail, and the sliding block is fixed to the mounting frame;
or, guiding mechanism includes guide bar and guide block, the guide bar is fixed in along vertical direction the frame, the guide block cover is located the guide bar to with the guide bar constitutes the sliding pair, the guide block is fixed in the mounting bracket. So as to achieve the purpose of vertical guiding.
Preferably, the transmission mechanism is one or more of a belt transmission mechanism, a gear transmission mechanism and a turbine-worm transmission mechanism.
Preferably, the electric vehicle further comprises a speed reducer arranged on the mounting frame, the motor is fixed on the speed reducer, and an output shaft of the motor is connected with the speed reducer; the transmission mechanism adopts a belt transmission mechanism, the belt transmission mechanism comprises a driving wheel arranged on an output shaft of the speed reducer, a driven wheel arranged on the first rotating shaft and a transmission belt, and the transmission belt is tensioned between the driving wheel and the driven wheel and is used for transmission. The motor can drive the first pressing wheel to rotate through the speed reducer and the belt transmission mechanism, so that the aim of driving the outer ring of the bearing to rotate is fulfilled.
In order to solve the problem that the bearing is not aligned to the detection device, namely when the bearing is not positioned under the first pinch roller and the second pinch roller, the first pinch roller and the second pinch roller can not contact the outer ring of the bearing simultaneously, the detection device further comprises a connecting frame, the connecting frame is fixed on a linear driving mechanism, the linear driving mechanism is used for driving the connecting frame to vertically lift/fall under the control of a controller, and the upper end of the mounting frame is rotationally constrained on the connecting frame. In this scheme, through setting up the link, make the link realize vertical lift/drop function under linear drive mechanism's drive, and through rotatable restraint mounting bracket, make the mounting bracket rotate for the link, make under the bearing is not in under first pinch roller and the second pinch roller, first pinch roller and second pinch roller and the contact of bearing when asynchronous, after one of them pinch roller contacts the bearing earlier, under linear drive mechanism drives effect down and the effect that blocks of bearing, can drive the mounting bracket and rotate for the link is proper motion, thereby make another pinch roller can contact the bearing gradually, finally make two pinch rollers enough contact and compress tightly the bearing, thereby effectively solve technical problem.
The mounting frame is hinged to the connecting frame through a hinge pin; the connecting frame and/or the mounting frame are/is designed with a hinge bore or a hinge barrel for the purpose of articulation. So as to realize the hinging by the matching of the pin shaft and the hinging hole or the hinging cylinder, thereby achieving the purpose of rotatably connecting the mounting frame.
Preferably, the rack is of an L-shaped structure, and/or a plurality of mounting holes are formed in the bottom of the rack.
Preferably, the controller adopts a PC, a singlechip, an ARM chip, an STM chip or a PLC. The method has the advantages of low cost, high response speed and contribution to realizing accurate automatic control.
In order to solve the problem that the bearing is damaged and pre-tightened, the device further comprises an alarm, the alarm is connected with the controller, and when the difference between the number of turns of the second pressing wheel and the number of turns of the first pressing wheel is larger than a set threshold value, the controller controls the alarm to give an alarm. So as to remind the staff that the current bearing is damaged and needs manual intervention for processing.
In order to realize remote monitoring, the device further comprises an upper computer, wherein the upper computer is connected with the controller, and the controller is used for sending the number of turns of the second pressing wheel to the upper computer. So as to realize remote monitoring.
Compared with the prior art, use the utility model provides a pair of a detection device for detecting whether bearing damages, compact structure, reasonable in design not only can detect whether the bearing of assembling in the shaft takes place to damage in the assembling process, need not rely on the experience of labor moreover, have degree of automation height, cost of labor low, detect characteristics such as precision height, can effectively solve the not enough that prior art exists.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a wheel pair.
Fig. 2 is a schematic structural diagram of a detection device provided in an embodiment of the present invention.
Fig. 3 is a schematic partial structural view of a detecting device according to an embodiment of the present invention.
Fig. 4 is a second partial schematic structural diagram of a detection device according to an embodiment of the present invention.
Fig. 5 is a schematic view of a detection device provided in an embodiment of the present invention, when detecting a wheel pair bearing.
Fig. 6 is a view a-a of fig. 5.
Description of the drawings
The device comprises a mounting frame 300, a cylinder body 301, a guide rod 302, an end plate 303, a connecting frame 304, a hinge tube 305, a pin shaft 306, a motor 307, a speed reducer 308, a first rotating shaft 309, a second rotating shaft 310, a driving wheel 311, a driven wheel 312, a transmission belt 313, a first pressing wheel 314 and a second pressing wheel 315.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, a wheel pair 100 includes a wheel axle 101 and wheels 102 symmetrically disposed on both sides of the wheel axle 101, and bearings 103 are respectively sleeved on the wheel axle 101 outside the wheels 102; the wheel pair 100 is placed on a rail so as to roll along the rail, and the wheel pair may be fixed at a station where whether the bearing is damaged or not is detected;
the embodiment provides a detection device for detecting whether a bearing 103 is damaged, comprising a frame 200, a mounting bracket 300, a controller and a motor 307, wherein the frame 200 is provided with a linear driving mechanism, wherein,
In this embodiment, a first rotating shaft 309 and a second rotating shaft 310 are rotatably mounted at the lower end of the mounting bracket 300, for example, as shown in fig. 2 to 4, the first rotating shaft 309 and the second rotating shaft 310 may be respectively mounted to the mounting bracket 300 through bearings; first pinch roller 314 and second pinch roller 315 for contacting the bearing outer ring are respectively installed at one end of first pivot 309 and second pivot 310, for example, first pinch roller 314 and second pinch roller 315 can be respectively installed at first pivot 309 and second pivot 310 through keyway cooperation, and the tip of first pivot 309 and second pivot 310 can set up the apron through the bolt respectively to the tip of closed pivot.
In this embodiment, the motor 307 is fixed to the mounting frame 300 and connected to the first rotating shaft 309 through a transmission mechanism, and the motor 307 may preferably adopt a servo motor 307 so as to precisely control the number of turns; an encoder is disposed at one end of the second rotating shaft 310, the encoder is a rotary sensor for converting a rotary displacement into a series of digital pulse signals, in this embodiment, the encoder may be an incremental encoder commonly used in the art, and the incremental encoder may be mounted on the mounting bracket 300.
As shown in fig. 2-6, in the present embodiment, the linear driving mechanism is connected to the mounting frame 300, and at the position of detecting the bearing, the linear driving mechanism can drive the mounting frame 300 to vertically descend under the control of the controller, so that the first pressing wheel 314 and the second pressing wheel 315 respectively contact the outer ring of the bearing 103; after the detection is finished, the linear driving mechanism can drive the mounting frame 300 to vertically ascend under the control of the controller so as to be away from the outer ring of the bearing 103, so that the lower wheel shaft 101 can continuously move forwards along the track so as to move to the next station;
in this embodiment, the motor 307 and the encoder are respectively connected to the controller, the controller is configured to control the first pressing wheel 314 to rotate for a set number of turns, if the bearing outer ring can rotate relative to the bearing inner ring, the pressure between the first pressing wheel 314 and the bearing outer ring is utilized to enable the first pressing wheel 314 to rotate to drive the bearing outer ring to rotate, and when the bearing outer ring rotates, the pressure between the second pressing wheel 315 and the bearing outer ring is utilized to enable the bearing outer ring to rotate to drive the second pressing wheel 315 to rotate, in this process, the encoder is configured to detect the number of turns of the second pressing wheel 315 and transmit the detected number of turns to the controller, the controller can accurately determine whether the bearing 103 is damaged during the assembling process by comparing the number of turns of the second pressing wheel 315 with the number of turns of the first pressing wheel 314, and evaluate the resistance of the relative rotation of the inner ring and the outer ring of the bearing 103, etc., for example, when the number of revolutions of second puck 315 is equal to the number of revolutions of first puck 314, bearing 103 is shown to be intact and not damaged during the assembly process; when the number of rotation turns of the second pressure wheel 315 is smaller than that of the first pressure wheel 314, it is indicated that a large resistance exists between the outer ring of the bearing and the inner ring of the bearing, and the larger the difference value is, the larger the resistance is, the possibility that the bearing 103 is damaged exists, in the actual operation process, a threshold value can be set according to experience, and when the difference between the number of rotation turns of the second pressure wheel 315 and the number of rotation turns of the first pressure wheel 314 is larger than the set threshold value, the controller can judge that the bearing 103 is damaged in the assembly process, and manual intervention is needed, such as replacement of a new bearing 103.
Therefore, in a further scheme, in order to remind a worker that the bearing 103 is damaged, the bearing damage warning device further comprises an alarm, the alarm is connected with the controller, and when the difference between the number of turns of the second pressing wheel 315 and the number of turns of the first pressing wheel 314 is larger than a set threshold value, the controller controls the alarm to give an alarm so as to remind the worker that the bearing 103 is damaged currently and needs manual intervention for processing.
In this embodiment, the controller can preferentially adopt a PC, a single chip microcomputer, an ARM chip, an STM chip, a PLC, or the like, and is not only low in cost, but also high in response speed, and is favorable for realizing accurate automatic control.
Preferably, the first rotating shaft 309 and the second rotating shaft 310 may be disposed at the same height of the mounting frame 300, as shown in fig. 6, the first pressure wheel 314 and the second pressure wheel 315 have the same size parameter, which is more convenient to control the first pressure wheel 314 and the second pressure wheel 315 to contact the outer ring of the bearing at the same time, and is beneficial to the same pressing force between the first pressure wheel 314 and the outer ring of the bearing and the second pressure wheel 315.
The mounting bracket 300 has various embodiments, and as shown in fig. 2 to 4, for example, the mounting bracket 300 may employ a mounting plate.
The transmission mechanism has various embodiments, and preferably, the transmission mechanism can be one or more of a belt transmission mechanism, a gear transmission mechanism and a worm-gear transmission mechanism; as an example, as shown in fig. 2-4, the detecting device further includes a reducer 308 mounted on the mounting frame 300, where the reducer 308 may be a gear reducer 308, a worm reducer 308, a planetary gear reducer 308, or the like; the motor 307 may be fixed to the speed reducer 308, and an output shaft of the motor 307 is connected to the speed reducer 308; as shown in fig. 2 to 4, the transmission mechanism is a belt transmission mechanism, the belt transmission mechanism includes a driving wheel 311 mounted on an output shaft of the speed reducer 308, a driven wheel 312 mounted on the first rotating shaft 309, and a transmission belt 313, the transmission belt 313 is tensioned between the driving wheel 311 and the driven wheel 312 for transmission, the speed reducer 308 is arranged to perform the functions of reducing speed and increasing torque, and the motor 307 can drive the first pressing wheel 314 to rotate through the speed reducer 308 and the belt transmission mechanism, so as to achieve the purpose of driving the outer ring of the bearing to rotate.
It is understood that the linear driving mechanism has various embodiments, and as an embodiment, the linear driving mechanism includes a driving motor 307, a lead screw, a nut, and a guiding mechanism, wherein the nut is sleeved on the lead screw, the lead screw is rotatably mounted on the frame 200, for example, the lead screw can be mounted on the mounting frame 300 through a bearing 103 seat and distributed along a vertical direction, so that the nut and the lead screw can form a screw transmission mechanism; the guiding mechanism is fixed on the frame 200 and connected to the mounting frame 300, the nut can be connected to the guiding mechanism and/or the mounting frame 300, and the driving motor 307 is connected to the controller, so that the driving motor 307 can drive the screw rod to rotate under the control of the controller, and the nut is driven to move up and down, thereby achieving the purpose of driving the mounting frame 300 to vertically lift/lower.
In order to achieve the transmission and guiding functions, the guiding mechanism has various embodiments, and in a preferred embodiment, the guiding mechanism may include a sliding block and a sliding rail, the sliding rail is fixed to the rack 200 along the vertical direction, the sliding block is disposed on the sliding rail and forms a moving pair with the sliding rail, and the sliding block is fixed to the mounting rack 300; in another preferred embodiment, the guiding mechanism may include a guiding rod fixed to the frame 200 along the vertical direction, and a guiding block sleeved on the guiding rod and forming a sliding pair with the guiding rod, wherein the guiding block is fixed to the mounting frame 300 so as to achieve the purpose of vertical guiding.
As another embodiment, the linear driving mechanism includes an air cylinder, a hydraulic cylinder or an electric push rod, and the air cylinder, the hydraulic cylinder or the electric push rod is fixed to the frame 200 and connected to the mounting frame 300; preferably, in the present embodiment, an air cylinder is used, as shown in fig. 2 to 4, the air cylinder includes a cylinder body 301, a guide rod 302 and an end plate 303, one end of the guide rod 302 is disposed on the cylinder body 301, the other end is connected to the end plate 303, and the guide rod 302 is arranged in a vertical direction; the cylinder body 301 is fixed on the frame 200, and the mounting frame 300 is connected with the end plate 303; the cylinder 301 is connected to a controller for driving the guide rod 302 to extend/retract in the vertical direction under the control of the controller, so that the height of the mounting frame 300 in the vertical direction can be conveniently, rapidly and precisely controlled.
Example 2
In order to solve the problem that the detecting device is not aligned with the bearing 103, that is, when the bearing 103 is not located under the first pressure wheel 314 and the second pressure wheel 315, the first pressure wheel 314 and the second pressure wheel 315 cannot contact with the outer ring of the bearing at the same time, the main difference between this embodiment 2 and the above embodiment 1 is that the detecting device provided by this embodiment 1 further includes a connecting frame 304, as shown in fig. 2 to 6, the connecting frame 304 is fixed to the linear driving mechanism, the linear driving mechanism is used for driving the connecting frame 304 to vertically ascend/descend under the control of the controller, and the upper end of the mounting frame 300 is rotatably constrained to the connecting frame 304.
In this embodiment, by providing the connecting frame 304, the connecting frame 304 can achieve a vertical lifting/lowering function under the driving of the linear driving mechanism, and by rotatably constraining the mounting frame 300, the mounting frame 300 can rotate relative to the connecting frame 304, so that when the bearing 103 is not located under the first pressing wheel 314 and the second pressing wheel 315, and the first pressing wheel 314 and the second pressing wheel 315 are out of synchronization with the contact of the bearing 103, after one of the pressing wheels contacts the bearing 103 first, under the downward driving action of the linear driving mechanism and the blocking action of the bearing 103, the mounting frame 300 can be driven to rotate relative to the connecting frame 304 by itself, so that the other pressing wheel can gradually contact the bearing 103, and finally, the two pressing wheels can contact and press the bearing 103, thereby effectively solving the technical problem.
Preferably, the detection device further comprises a pin 306, and the mounting frame 300 is hinged to the connecting frame 304 through the pin 306; in order to facilitate the hinge connection, the connecting frame 304 and/or the mounting frame 300 are/is configured with a hinge hole or a hinge cylinder 305 for hinge connection, for example, as shown in fig. 2-6, the upper end of the connecting frame 304 is fixed to the linear driving mechanism, the lower end of the connecting frame 304 is configured with a hinge hole, and the upper end of the mounting frame 300 is configured with a hinge cylinder 305, as shown in fig. 2-6, and the pin 306 passes through the hinge hole and the hinge cylinder 305 to achieve the hinge connection, thereby achieving the purpose of rotatably connecting the mounting frame 300.
Example 3
For realizing remote monitoring, the main difference between this embodiment 3 and the above embodiment 1 is that the detection apparatus provided in this embodiment 3 further includes an upper computer, the upper computer is connected to the controller, the controller is used for sending the number of turns of the second pressing wheel 315 to the upper computer so as to realize remote monitoring, and the upper computer may be a PC, a server, or the like.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. A detection device for detecting whether a bearing is damaged is characterized by comprising a rack, a mounting rack, a controller and a motor, wherein the rack is provided with a linear driving mechanism,
a first rotating shaft and a second rotating shaft are rotatably arranged at the lower end of the mounting frame, a first pressing wheel and a second pressing wheel which are used for contacting with an outer ring of a bearing are respectively arranged at one ends of the first rotating shaft and the second rotating shaft, the motor is fixed on the mounting frame and is connected with the first rotating shaft through a transmission mechanism, and an encoder is arranged at one end of the second rotating shaft;
the linear driving mechanism is connected with the mounting frame and used for driving the mounting frame to vertically ascend under the control of the controller so as to be far away from the outer ring of the bearing and driving the mounting frame to vertically descend under the control of the controller so as to enable the first pressing wheel and the second pressing wheel to respectively contact the outer ring of the bearing;
the motor and the encoder are respectively connected with the controller, the controller is used for controlling the first pinch roller to rotate for a set number of turns, and the encoder is used for detecting the number of turns of the second pinch roller and transmitting the number of turns to the controller.
2. The detection device for detecting whether a bearing is damaged according to claim 1, wherein the first rotating shaft and the second rotating shaft are arranged at the same height of the mounting frame;
and/or the first and second pucks are the same size.
3. The apparatus for detecting whether a bearing is damaged according to claim 1, wherein the transmission mechanism is one or more of a belt transmission mechanism, a gear transmission mechanism, and a worm-gear transmission mechanism;
and/or the rack is of an L-shaped structure, and a plurality of mounting holes are formed at the bottom of the rack;
and/or the controller adopts a PC, a singlechip, an ARM chip, an STM chip or a PLC.
4. The device for detecting whether the bearing is damaged or not according to claim 3, further comprising a speed reducer installed on the mounting frame, wherein the motor is fixed on the speed reducer, and an output shaft of the motor is connected with the speed reducer; the transmission mechanism adopts a belt transmission mechanism, the belt transmission mechanism comprises a driving wheel arranged on an output shaft of the speed reducer, a driven wheel arranged on the first rotating shaft and a transmission belt, and the transmission belt is tensioned between the driving wheel and the driven wheel and is used for transmission.
5. The apparatus of claim 1, wherein the linear driving mechanism comprises a cylinder, a hydraulic cylinder or an electric push rod, and the cylinder, the hydraulic cylinder or the electric push rod is fixed to the frame and connected to the mounting frame.
6. The device for detecting whether a bearing is damaged according to claim 5, wherein the cylinder comprises a cylinder body, a guide rod and an end plate, one end of the guide rod is arranged on the cylinder body, the other end of the guide rod is connected with the end plate, and the guide rod is arranged in a vertical direction; the cylinder body is fixed on the rack, and the mounting rack is connected with the end plate; the cylinder body is connected with the controller and is used for driving the guide rod to extend/retract along the vertical direction under the control of the controller.
7. The device for detecting whether the bearing is damaged according to claim 1, wherein the linear driving mechanism comprises a driving motor, a lead screw, a nut and a guiding mechanism, the nut is sleeved on the lead screw, the lead screw is rotatably mounted on the frame and distributed along a vertical direction, and the nut and the lead screw form a screw transmission mechanism;
the guide mechanism is fixed on the rack and is connected with the mounting rack, the nut is connected with the guide mechanism and/or the mounting rack, and the driving motor is connected with the controller and used for driving the screw rod to rotate under the control of the controller.
8. The device for detecting whether a bearing is damaged according to claim 7, wherein the guiding mechanism includes a sliding block and a sliding rail, the sliding rail is fixed to the frame along a vertical direction, the sliding block is disposed on the sliding rail and forms a moving pair with the sliding rail, and the sliding block is fixed to the mounting frame;
or, guiding mechanism includes guide bar and guide block, the guide bar is fixed in along vertical direction the frame, the guide block cover is located the guide bar to with the guide bar constitutes the sliding pair, the guide block is fixed in the mounting bracket.
9. The apparatus according to any one of claims 1 to 8, further comprising a connecting frame, wherein the connecting frame is fixed to the linear driving mechanism, the linear driving mechanism is configured to drive the connecting frame to vertically ascend/descend under the control of the controller, and an upper end of the mounting frame is rotatably constrained to the connecting frame.
10. The detection device for detecting whether the bearing is damaged or not according to any one of claims 1 to 8, further comprising an alarm, wherein the alarm is connected with the controller, and when the difference between the number of turns of the second pinch roller and the number of turns of the first pinch roller is greater than a set threshold value, the controller controls the alarm to give an alarm;
and/or the device further comprises an upper computer, the upper computer is connected with the controller, and the controller is used for sending the number of turns of the second pressing wheel to the upper computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120316523.2U CN214121596U8 (en) | 2021-02-03 | 2021-02-03 | Detection device for detecting whether bearing is damaged |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120316523.2U CN214121596U8 (en) | 2021-02-03 | 2021-02-03 | Detection device for detecting whether bearing is damaged |
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| CN214121596U true CN214121596U (en) | 2021-09-03 |
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| CN202120316523.2U Active CN214121596U8 (en) | 2021-02-03 | 2021-02-03 | Detection device for detecting whether bearing is damaged |
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Correction item: Patentee Correct: Sichuan guoruan Technology Group Co.,Ltd. False: Sichuan guoruan Technology Group Co.,Ltd. Volume: 37 Correction item: Patentee Correct: Sichuan guoruan Technology Group Co.,Ltd. False: Sichuan guoruan Technology Group Co.,Ltd. Number: 36-02 Page: The title page Volume: 37 |
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