CN210923052U - Flip fatigue test device - Google Patents
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- CN210923052U CN210923052U CN201922419993.7U CN201922419993U CN210923052U CN 210923052 U CN210923052 U CN 210923052U CN 201922419993 U CN201922419993 U CN 201922419993U CN 210923052 U CN210923052 U CN 210923052U
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Abstract
The embodiment of the application provides a flip fatigue testing device, and relates to the technical field of mechanical equipment. The flip fatigue testing device comprises a base mechanism, a jig mechanism and a flip mechanism, wherein the jig mechanism is arranged on the base mechanism and can move forwards or backwards along the base mechanism, and a fixing piece for fixing a cover piece to be tested is arranged on the jig mechanism; the cover turning mechanism comprises a cover closing part and a cover opening part, the cover closing part and the cover opening part are arranged above the jig mechanism, the cover closing part is used for closing the cover to be tested when the jig mechanism retreats, and the cover opening part is used for opening the cover to be tested when the jig mechanism advances. The flip fatigue testing device can save cost and improve the technical effects of testing efficiency and testing precision.
Description
Technical Field
The application relates to the technical field of testing machinery, in particular to a flip fatigue testing device.
Background
At present, the fatigue tolerance of the flip cover is an index parameter which must be detected when the flip cover product leaves a factory. In the prior art, the flip fatigue test has two modes, one is manual test, which can perfectly restore the action of the flip in use, but has low efficiency and high cost; secondly, use current fatigue test machine test, can improve flip efficiency, practice thrift the human cost greatly. However, the existing fatigue testing machine cannot well simulate the real use process, the testing result has larger difference with the actual effect, and the precision is poorer.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a flip fatigue testing device, which can achieve the technical effects of saving cost and improving testing efficiency and testing precision.
The embodiment of the application provides a jig device which comprises a base mechanism, a jig mechanism and a flip mechanism, wherein the jig mechanism is arranged on the base mechanism and can move forwards or backwards along the base mechanism; the cover turning mechanism comprises a cover closing part and a cover opening part, the cover closing part and the cover opening part are arranged above the jig mechanism, the cover closing part is used for closing the cover to be tested when the jig mechanism retreats, and the cover opening part is used for opening the cover to be tested when the jig mechanism advances.
In the implementation process, the jig mechanism and the flip mechanism are arranged on the base mechanism, and the jig mechanism can move forwards or backwards along the base mechanism; in the process of advancing or retreating the jig mechanism, the cover member to be tested is subjected to cover turning operation through the mutual matching of the cover closing member and the cover opening member in the cover turning mechanism; in the process that the jig mechanism continuously advances and retreats, the cover member to be tested continuously performs the operations of opening and closing the cover, so that the fatigue test is performed on the cover member to be tested. The flip fatigue testing mechanism simulates the action of the cover piece to be tested in actual use, thereby realizing the technical effects of saving cost and improving testing efficiency and testing precision.
Further, the cover closing part comprises a cover closing rod, and the cover closing rod is used for closing the cover to be detected in the cover opening state when the jig mechanism retreats.
In the implementation process, the cover closing piece performs cover closing operation on the cover piece to be detected through the cover closing rod: when the jig mechanism retreats, the cover of the cover piece to be detected in the uncovering state is blocked by the cover closing rod, so that when the jig mechanism retreats continuously, the cover of the cover piece to be detected is closed under the action of the cover closing rod, and the cover closing operation of the cover piece to be detected is completed.
Further, the cover opening part comprises a cover opening hook, and the cover opening hook is used for opening the cover part to be detected in a cover closing state when the jig mechanism advances.
In the above-mentioned realization process, uncap the piece and collude the lid that awaits measuring through uncapping and operate: when the jig mechanism advances, the cover of the cover piece to be detected in the cover closing state is hooked by the cover opening hook, so that when the jig mechanism continues to advance, the cover of the cover piece to be detected is opened under the action of the cover opening hook, and the cover opening operation of the cover piece to be detected is completed.
Further, the jig mechanism comprises a first track plate, the first track plate is provided with an oblique edge and is arranged on two sides of the jig mechanism, and the cover closing part can move along the oblique edge of the first track plate when the jig mechanism advances or retreats, so that the cover closing part is lowered or lifted.
In the implementation process, the first track plates are arranged on two sides of the jig mechanism, and one track plate is a bevel edge; when the jig mechanism retreats, the cover closing part moves upwards along the bevel edge of the first track board to lift the cover closing part, the cover of the cover to be tested on the jig mechanism in an uncovering state is blocked by the cover closing part, and when the jig mechanism retreats continuously, the cover closing part lifts continuously to complete the cover closing of the cover to be tested, so that the real cover closing action of the cover to be tested is simulated; when the jig mechanism advances, the cover closing part moves downwards along the inclined edge of the first track plate, and the reset operation of the cover closing part is completed.
Furthermore, the device also comprises a top frame and a telescopic piece, wherein the top frame is arranged on the base mechanism; the telescopic piece is arranged on the top frame, can vertically stretch out and draw back, is connected with the cover closing piece through a roller, and is used for lowering or lifting the cover closing piece through the movement of the roller along the bevel edge of the track plate when the jig mechanism advances or retreats.
In the implementation process, the cover opening part moves on the bevel edge of the first track board through the roller and is arranged on the top frame through the telescopic part; when the jig mechanism advances or retreats, the cover closing part reciprocates up and down under the action of the bevel edge of the first track plate and the telescopic part, so that the real use action of the cover closing part to be tested is simulated.
Further, the device also comprises a second track plate connected with the cover opening part, wherein the second track plate is provided with a bevel edge and is used for contacting with the first track plate through the bevel edge of the second track plate so as to lift or lower the cover opening part when the jig mechanism advances or retreats.
In the implementation process, the cover opening component moves under the action of the inclined edge of the second track plate and the first track plate; when the jig mechanism advances, the first track plate lifts the second track plate along the inclined edge of the second track plate; when the jig mechanism retreats, the first track plate lowers the position of the second track plate along the inclined edge of the second track plate. Through the mode, the cover opening part reciprocates under the action of the first track board and the second track board, and the real use action of the cover part to be tested during the cover opening is simulated.
Further, the device also comprises a cover pressing roller, wherein the cover pressing roller is arranged behind the cover closing part and used for pressing the cover part to be tested when the jig mechanism retreats, so that the cover of the cover part to be tested is fastened.
In the implementation process, the capping roller is arranged after the cap closing part, when the jig mechanism retreats, the cap closing part closes the cap to be tested, and then the capping roller performs capping operation on the cap to be tested, so that the cap of the cap to be tested is fastened; through the mode, the cover piece to be tested is opened after being completely buckled, the use process of the cover piece to be tested is simulated well, and therefore the testing precision of the flip fatigue test is improved.
Further, the device also comprises a display screen, and the display screen is used for displaying the operation parameters of the device.
In the implementation process, the controller can control the operation parameters of the flip fatigue testing device, and the display screen can display the operation parameters of the flip fatigue testing device, so that the operation process of the device is better monitored, and the practicability and the reliability are improved.
Further, the device also comprises a stop switch for controlling the operation of the device.
In the implementation process, the stop switch is an emergency switch, so that when an emergency occurs, the stop switch can stop the operation of the flip fatigue testing device, and the safety and the reliability of the flip fatigue testing device are improved.
Further, the device also comprises a driving mechanism, and the driving mechanism is used for driving the jig mechanism to move forwards or backwards.
In the implementation process, the driving mechanism can be a stepping motor, and the operation displacement and speed can be parametrically adjusted, so that the practicability of the flip fatigue testing device is improved.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a front structural view of a flip fatigue testing device according to an embodiment of the present disclosure;
fig. 2 is a back structure diagram of a flip fatigue testing device provided in an embodiment of the present application;
FIG. 3 is a block diagram of a closure member provided in accordance with an embodiment of the present application;
fig. 4 is a side structure diagram of a flip fatigue testing apparatus according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
The flip fatigue testing device provided by the embodiment of the application can be applied to the fatigue resistance test of flip products, and the curve formed by the movement of the flip component is matched with the curve formed by opening and closing the flip through the combination of the flip component and the closing component, so that the use process of the flip products can be better simulated.
Referring to fig. 1 and fig. 2, fig. 1 is a front structural view of a flip fatigue testing apparatus provided in an embodiment of the present application, and fig. 2 is a back structural view of the flip fatigue testing apparatus provided in the embodiment of the present application, where the flip fatigue testing apparatus includes a base mechanism 10, a jig mechanism 20, a flip mechanism 30, a driving mechanism 50, a to-be-tested cover member 40, and the driving mechanism 50.
In some embodiments, the cover member 40 to be tested may be a plastic cap for toothpaste, cosmetics, etc., and the cover member 40 may be opened or closed and fastened.
Illustratively, the base mechanism 10 is a base of a flip fatigue testing device, wherein the base mechanism 10 includes a base housing 11 and a platform bottom plate 12, and the platform bottom plate 12 is mounted with a jig mechanism 20 and a flip mechanism 30.
In some embodiments, the base housing 11 has a stop switch 13, a reset switch 14, and a display screen 15 mounted thereon; the stop switch 13 can immediately stop the operation of the flip fatigue testing device when an emergency occurs, so that equipment and a product to be tested are effectively protected, and the safety and reliability of the flip fatigue testing device are improved; the reset switch 14 can carry out reset operation when the flip fatigue testing device is stopped due to failure; the display screen 15 is a touch display screen, and an operator can set corresponding operating parameters on the display screen 15, such as: the equipment operating speed, the number of times of opening and shutting isoparametric to show on display screen 15, thereby conveniently debug flip fatigue test device, with the flip fatigue test demand that adapts to the difference, improve flip fatigue test device's practicality.
In some embodiments, the platform bottom plate 12 is provided with a sliding rail 16, and the jig mechanism 20 can slide back and forth on the sliding rail 16, so that the jig mechanism 20 can move forward and backward along the base mechanism 10 to open or close the lid 40 to be tested.
Illustratively, the jig mechanism 20 is mounted on the base mechanism 10 and can move forward or backward along the base mechanism 10, and the jig mechanism 20 is provided with a fixing member 21 for fixing the cap 40 to be tested.
In some embodiments, the fixture mechanism 20 may be provided with a plurality of fixing members 21, and a plurality of cover members 40 to be tested may be fixed on the plurality of fixing members 21, so that when the fixture mechanism 20 moves forward or backward along the base mechanism 10, the plurality of cover members 40 to be tested collectively perform an opening or closing operation, i.e., perform a fatigue test on the plurality of cover members 40 to be tested, thereby greatly improving the testing efficiency of the flip fatigue testing apparatus.
In some embodiments, the jig mechanism 20 includes first track plates 22, the first track plates 22 are mounted on two sides of the jig mechanism 20, and the first track plates 22 on two sides of the jig mechanism 20 are mirror-symmetrical; the first track plate 22 is provided with a bevel edge so that the cover member 31 of the lid-turning mechanism 30 can move along the bevel edge of the first track plate 22 when the jig mechanism 20 advances or retreats, thereby lowering or raising the cover member 31. As an example, when the jig mechanism 20 retreats, the cover closing member 31 is lifted, and the cover closing operation of the cover member to be tested 40 is completed; when jig mechanism 20 advances, lid member 31 is lowered, and the operation of returning lid member 32 is completed. By the above manner, when the jig mechanism 20 retreats, the cover member 40 to be tested retreats, and the cover closing member 31 is lifted, so that the cover closing operation of the cover member 40 to be tested in the cover opening state is completed, and the curve of the cover member 40 to be tested in the cover closing state is well simulated; therefore, the curve formed by the movement of the cover closing piece 31 is matched with the curve of the cover closing, and the use process of the flip cover is perfectly simulated.
Illustratively, the lid-opening mechanism 30 includes a lid-closing member 31, a lid-opening member 32, the lid-closing member 31 and the lid-opening member 32 are disposed above the jig mechanism 20, the lid-closing member 31 is used for closing the lid 40 to be tested when the jig mechanism 20 is retracted, and the lid-opening member 32 is used for opening the lid 40 to be tested when the jig mechanism 20 is advanced.
In some embodiments, the flip fatigue testing apparatus further includes a second track plate 33, the second track plate 33 is connected to the lid release member 32, wherein the second track plate 33 has a slanted side for contacting the first track plate 22 through the slanted side of the second track plate 33 to lift or lower the lid release member 32 when the jig mechanism 20 advances or retreats. As an example, when jig mechanism 20 advances, first track plate 22 lifts second track plate 33 along the hypotenuse of second track plate 33; when the jig mechanism 20 is retracted, the first track plate 22 lowers the second track plate 33 along the oblique side of the second track plate 33. In this way, when the jig mechanism 20 advances, the lid opening member 32 connected to the second track plate 33 is lifted, and the lid opening operation is performed on the lid member 40 to be tested in the closed state, so that the curve of the lid member 40 to be tested in the lid opening process is well simulated; therefore, the curve formed by the movement of the cover opening piece 32 is matched with the curve of the cover opening, and the perfect simulation of the use process of the flip cover is achieved.
In some embodiments, the flip fatigue testing device further comprises a first adjusting mechanism 35, wherein the first adjusting mechanism 35 is connected with the cover member 32 and is used for adjusting the height of the cover member 32, so that cover members 40 to be tested with different sizes can be adapted, and the practicability of the flip fatigue testing device is improved.
In some embodiments, the flip fatigue testing apparatus further includes a capping roller 60, the capping roller 60 is disposed behind the lid fitting member 31 and is used for capping the lid member 40 to be tested when the jig mechanism 20 is retracted, so as to fasten the lid of the lid member 40 to be tested. Through the mode, the cover member to be tested 40 is completely buckled and then opened, so that the real use process of the cover member to be tested is better simulated, and the test precision of the flip fatigue test is improved.
In some embodiments, the flip fatigue testing apparatus further comprises a second adjustment mechanism 36; the second adjusting mechanism 36 is connected with the capping roller 60, so that the height of the capping roller 60 can be adjusted, the capping roller 60 can be suitable for covers of different sizes, and the practicability is improved.
Illustratively, the driving mechanism 50 is connected to the jig mechanism 20 for driving the jig mechanism 20 to advance or retreat along the slide rail 16.
In some embodiments, the drive mechanism 50 includes a drive motor 51, a screw mount 52, and a ball screw 53. The ball screw 53 is connected with the jig mechanism 20 through the screw seat 52, and is a transmission element between the driving motor 51 and the jig mechanism 20; the ball screw 53 can convert the rotary motion of the driving motor 51 into a linear motion, so as to drive the jig mechanism 20 to move forward or backward along the slide rail 16.
Illustratively, the flip fatigue testing apparatus further comprises a top frame 60.
Illustratively, the top frame 60 is mounted to the platform floor 12 and the telescoping members 312 are mounted to the top frame 60.
Referring to fig. 3, fig. 3 is a structural diagram of a closing member according to an embodiment of the present application, in which the closing member 31 includes a closing rod 311 and a telescopic member 312.
Illustratively, the cover closing member 31 includes a cover closing rod 311, and the cover closing rod 311 is used for turning over the cover member 40 to be tested in the open state when the jig mechanism 20 is retracted.
Illustratively, the closing rod may move along the oblique side of the first track pad 22.
Illustratively, the retractable member 312 is mounted on the top frame 60, can be vertically retracted and extended, and is connected to the cover member 31 through a roller, and the retractable member 312 is used for moving along the oblique edge of the first track board 22 through the roller when the jig mechanism 20 moves forward or backward so as to lower or raise the cover member 31.
Referring to fig. 4, fig. 4 is a side view structural diagram of a flip fatigue testing apparatus according to an embodiment of the present application.
Illustratively, the driving mechanism 50 drives the jig mechanism 20 to move forward and backward continuously, thereby continuously performing the opening and closing operations of the cap member 40 to be tested on the jig mechanism 20 and performing the fatigue test on the cap member 40 to be tested.
In some implementation scenarios, the flip fatigue testing apparatus is turned on, and the cap member 40 to be tested is in an open state; the driving mechanism 50 drives the jig mechanism 20 to retreat, the bevel edge of the first track plate 22 contacts the telescopic piece 312, the roller moves upwards along the bevel edge of the first track plate 22, so as to drive the cover closing rod 311 to move upwards, and the upward movement of the cover closing rod 311 is cooperated with the retreating action of the jig mechanism 20 at the moment, so that the real cover closing action of the cover part 40 to be tested is simulated, and the cover closing of the cover part 40 to be tested is completed;
after the cover member 40 to be tested is closed by the cover closing member 31, the driving mechanism 50 continues to drive the jig mechanism 20 to retreat, the cover member 40 to be tested passes through the capping roller 60, and the capping roller 60 performs capping operation on the cover member to be tested, so that the cover of the cover member 40 to be tested is fastened;
after the cover of the cover member 40 to be tested is fastened, the jig mechanism 20 moves forward under the driving of the driving mechanism 50, and the roller on the telescopic member 312 moves downward along the oblique edge of the first track plate 22, so as to drive the cover closing rod 311 to move downward, thereby completing the resetting operation of the cover closing member 31; meanwhile, the first track board 22 contacts the oblique side of the second track board 33 and lifts the second track board 33, so as to lift the cover element 32, and the cover opening hook on the cover element 32 hooks the cover of the cover element 40 to be tested; the upward movement of the cover opening part 32 is cooperated with the forward movement of the jig mechanism 20 at the moment, so that the real cover opening action of the cover part 40 to be tested is simulated, and the cover opening of the cover part 40 to be tested is completed;
after the cover of the cover member 40 to be tested is opened, the jig mechanism 20 is driven by the driving mechanism 50 to move backward, the first track plate 22 contacts the oblique side of the second track plate 33, and the second track plate 33 is lowered, so that the cover opening member 32 is lowered, and the resetting operation of the cover opening member 32 is completed. In the above manner, the flip process of the cover member 40 to be tested is completed once; therefore, in the operation process of the flip fatigue testing device, the action of the cover member 40 to be tested in actual use is simulated, so that the curve formed by the movement of the cover member is matched with the curve of the opening and closing of the flip, the use process of the flip of the cover member 40 to be tested is simulated, and the technical effects of improving the testing efficiency and the testing precision are achieved.
In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.
It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.
In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A flip fatigue testing device is characterized by comprising a base mechanism, a jig mechanism and a flip mechanism,
the jig mechanism is arranged on the base mechanism and can move forwards or backwards along the base mechanism, and a fixing piece for fixing the cover piece to be tested is arranged on the jig mechanism;
the cover turning mechanism comprises a cover closing part and a cover opening part, the cover closing part and the cover opening part are arranged above the jig mechanism, the cover closing part is used for closing the cover to be tested when the jig mechanism retreats, and the cover opening part is used for opening the cover to be tested when the jig mechanism advances.
2. The flip fatigue testing device according to claim 1, wherein the cover closing member includes a cover closing lever for closing the cover member to be tested in the open state when the jig mechanism is retracted.
3. The flip fatigue testing device according to claim 2, wherein the lid opening member comprises a lid opening hook for opening the lid to be tested in the closed state when the jig mechanism advances.
4. The flip fatigue testing device of claim 1, wherein the jig mechanism comprises a first track plate, the first track plate is provided with an oblique edge and is mounted on both sides of the jig mechanism, and the closing member is movable along the oblique edge of the first track plate when the jig mechanism advances or retreats, so as to raise or lower the closing member.
5. The flip fatigue testing apparatus of claim 4, further comprising a top frame, a telescopic member,
the top frame is arranged on the base mechanism;
the telescopic piece is arranged on the top frame, can vertically stretch out and draw back, is connected with the cover closing piece through a roller, and is used for lowering or lifting the cover closing piece through the movement of the roller along the bevel edge of the track plate when the jig mechanism advances or retreats.
6. The flip fatigue testing device according to claim 4, further comprising a second track plate connected to the open cover member, the second track plate having an inclined edge for contacting the first track plate through the inclined edge of the second track plate to raise or lower the open cover member when the jig mechanism advances or retreats.
7. The flip fatigue testing device of claim 1, further comprising a capping roller disposed behind the lid member for capping the lid member to be tested when the jig mechanism is retracted, so as to fasten the lid of the lid member to be tested.
8. The flip fatigue testing apparatus of claim 1, further comprising a controller for controlling the operating parameters of the apparatus and a display for displaying the operating parameters of the apparatus.
9. The flip fatigue testing apparatus of claim 1, further comprising a stop switch for stopping the operation of the apparatus.
10. The flip fatigue testing device of claim 1, further comprising a driving mechanism for driving the jig mechanism forward or backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419993.7U CN210923052U (en) | 2019-12-26 | 2019-12-26 | Flip fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419993.7U CN210923052U (en) | 2019-12-26 | 2019-12-26 | Flip fatigue test device |
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| Publication Number | Publication Date |
|---|---|
| CN210923052U true CN210923052U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922419993.7U Active CN210923052U (en) | 2019-12-26 | 2019-12-26 | Flip fatigue test device |
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| CN (1) | CN210923052U (en) |
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