CN213516268U - Impact detection device - Google Patents
Impact detection device Download PDFInfo
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- CN213516268U CN213516268U CN202022066673.0U CN202022066673U CN213516268U CN 213516268 U CN213516268 U CN 213516268U CN 202022066673 U CN202022066673 U CN 202022066673U CN 213516268 U CN213516268 U CN 213516268U
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Abstract
The utility model relates to a security test technical field provides an impact detection device, include: the test platform is used for placing a workpiece to be tested, the heavy hammer component is arranged above the test platform, and the heavy hammer component provides an impact acting force by freely dropping the workpiece to be tested; the stop component is positioned above the test platform and used for fixing the heavy hammer component on a rebound path of the heavy hammer component; the supporting component is fixedly connected with the stopping component. The utility model provides an impact detection device has solved the problem of hitting by a crashing object because of the secondary that weight part whereabouts rebound brought, promotes and detects the accuracy.
Description
Technical Field
The utility model relates to a security test technical field especially relates to striking detection device.
Background
With the development of the electric automobile industry, the safety of the power battery is increasingly valued by consumers. The impact resistance of the power battery is an important index of the safety of the power battery, in particular to the safety index of the power battery in the transportation and use processes.
The devices for impact test testing are not completely unified at present. Most of the existing operations are carried out manually, so that the test accuracy is low, time and labor are consumed, and potential safety hazards such as accidental injuries exist in manual operation.
In the process of impact test, the phenomenon of rebound after the heavy hammer falls often exists, so that the phenomenon of secondary impact occurs, and great influence is brought to the test result. The related art solution is to add a position-locking device for the weight, but the device will bring a large resistance to the falling of the weight, and it is difficult to achieve the hitting state of the free-falling body, and bring a large deviation to the test result. Therefore, how to solve the secondary hitting phenomenon caused by falling and rebounding of the heavy hammer without affecting the free falling state of the heavy hammer is an urgent problem to be solved for accurately performing the impact test of the power battery.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an impact detection device has solved the problem of hitting by a crashing object because of the secondary that weight part whereabouts bounce-back brought, promotes and detects the accuracy.
According to the utility model discloses striking detection device, include:
a test platform for placing a workpiece to be tested,
the weight component is arranged above the test platform and provides an impact acting force by freely dropping the workpiece to be tested;
the stop component is positioned above the test platform and used for fixing the heavy hammer component on a rebound path of the heavy hammer component;
and the supporting component is fixedly connected with the stopping component.
According to the utility model discloses an embodiment, be connected with pressure sensor on the test platform, the stop part include the controller and connect in the stopper of controller, pressure sensor connects the controller.
According to the utility model discloses an embodiment, one side laminating of pressure sensor test platform's surface, the opposite side laminating support component's surface.
According to an embodiment of the present invention, the stop member is a cylinder or a hydraulic cylinder provided on one side of the weight member, and at least two stop members are provided on the outer side of the weight member so as to hold and fix the weight member.
According to an embodiment of the present invention, the stop is an electromagnetic device disposed on at least one side of the weight member.
According to an embodiment of the present invention, the support member includes a frame and a support rod connected to the frame, the support rod is slidably connected to the weight member.
According to the utility model discloses an embodiment, the weight part including connect in the connecting portion of bracing piece with be used for striking the ram portion of work piece that awaits measuring, ram portion connect in connecting portion.
According to the utility model discloses an embodiment, connecting portion through connection is many the bracing piece.
According to the utility model discloses an embodiment, be connected with the automatic structure of climbing on the weight part, the automatic structure of climbing connect in the bracing piece is in order to drive the weight part automatic rising.
According to the utility model discloses an embodiment, be connected with positioning element on the support component, positioning element can follow support component's direction of height lift adjustment, the weight part is connected positioning element is in order to be fixed in the preset high position.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:
the embodiment of the utility model provides an impact detection device, including test platform, weight part, stop part and support part, the weight part is located the test platform top, and the weight part provides the striking effort through the free fall to the work piece that awaits measuring; the stop component is positioned above the test platform and used for fixing the heavy hammer component on the rebound path of the heavy hammer component; the support component is fixedly connected with the stop component, and after the heavy hammer component impacts the workpiece to be detected, the stop component fixes the heavy hammer component to prevent the heavy hammer component from falling down for the second time in the upward rebounding process of the heavy hammer component, so that the secondary impact of the heavy hammer component on the workpiece to be detected can be avoided, the workpiece to be detected is guaranteed to be impacted for only one time, and the detection accuracy is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of an impact detection device according to an embodiment of the present invention; the figure shows the state that the stopper clamps the fixed weight part;
fig. 2 is a schematic perspective view of an impact detection device according to an embodiment of the present invention; the figure shows the state that the stopper clamps the fixed weight part;
fig. 3 is a schematic perspective view of an impact detection device according to an embodiment of the present invention; the figure shows the state that the weight member is fixed at a predetermined height position on the support rod.
Reference numerals:
1: a frame; 2: a support bar; 3: a stopper; 31: a contact plate; 4: a weight member; 41: a hammer striking part; 42: a connecting portion; 5: a test platform; 6: a pressure sensor; 7: a base plate.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
An embodiment of the utility model, combine fig. 1 to fig. 3 to show, provide an impact detection device, include: the test platform 5 is used for placing a workpiece to be tested, the heavy hammer component 4 is arranged above the test platform 5, and the heavy hammer component 4 freely falls to provide an impact acting force for the workpiece to be tested; the stop component is positioned above the test platform 5 and is used for fixing the heavy hammer component 4 on the rebound path of the heavy hammer component; the supporting component is fixedly connected with the stopping component.
The workpiece to be detected is placed on the test platform 5, the heavy hammer component 4 is fixed to a preset height position, then the heavy hammer component 4 is released from being fixed, the heavy hammer component 4 freely falls to enable the heavy hammer component 4 to impact the workpiece to be detected, the heavy hammer component 4 rebounds under the action of the reaction force of the workpiece to be detected, the stop component is started at the moment, the heavy hammer component 4 rebounds to the position of the stop component to fix the heavy hammer component 4, the situation that the heavy hammer component 4 falls again to cause secondary impact on the workpiece to be detected is avoided, the situation that the workpiece to be detected is impacted once every time the heavy hammer component 4 falls is guaranteed, the stress of the workpiece to be detected is accurate, the performance of the workpiece to be detected can be conveniently.
The workpiece to be tested can be various workpieces needing impact testing, such as batteries, steel materials, aluminum materials and other workpieces with higher requirements on structural strength. The stop component is positioned above the workpiece to be measured, and the height of the stop component can be adjusted according to the height of the workpiece to be measured.
The impact detection device of this embodiment can be applied to the detection of battery to can fix weight part 4 striking battery within the very first time after, prevent that weight part 4 kick-backs and causes the secondary impact and influence the judgement of test result.
In one embodiment, as shown in fig. 1 to 3, a pressure sensor 6 is connected to the test platform 5, the stop component comprises a controller and a stop 3 connected to the controller, and the pressure sensor 6 is connected to the controller. When the heavy hammer part 4 impacts the workpiece to be tested on the test platform 5, the workpiece to be tested is subjected to impact acting force, the pressure sensor 6 measures the impact acting force and transmits a pressure signal to the controller, the controller can obtain that the workpiece to be tested is subjected to primary impact action and sends a stop signal to the stop piece 3, and the stop piece 3 stops the rebounded impact part to enable the impact part to impact the workpiece to be tested for the second time.
The pressure sensor 6 may be a piezoelectric sensor, a strain gauge sensor, a diffused silicon pressure sensor, or the like. The kind of the pressure sensor 6 can be selected as desired.
In one embodiment, the pressure sensor 6 is attached to the surface of the test platform 5 on one side and to the surface of the support member on the other side. The pressure sensor 6 is attached to the test platform 5 to accurately measure the impact acting force applied to the test platform 5, namely, the impact acting force applied to the workpiece to be measured. Meanwhile, the support component provides support for the pressure sensor 6, and stability of the pressure sensor 6 is guaranteed.
Referring to fig. 3, a bottom plate 7 is arranged at the bottom of the supporting component, the pressure sensor 6 is fixed on the bottom plate 7, the testing platform 5 is laid above the pressure sensor 6, and the center of the pressure sensor 6 coincides with the center of the testing platform 5.
In one embodiment, the stop 3 is a cylinder or a hydraulic cylinder disposed on one side of the weight member 4, and at least two stops 3 are disposed on the outer side of the weight member 4 such that the stops 3 clamp and fix the weight member 4. The cylinder or the hydraulic cylinder clamps or releases the heavy hammer component 4 through telescopic adjustment, can be automatically carried out, and has higher automation degree.
Referring to fig. 1 to 3, two stoppers 3 are provided, and the two stoppers 3 are respectively provided on opposite sides of the weight member 4 to hold the weight member 4 by symmetrically clamping the weight member 4. Of course, the stop members 3 can be disposed three or more on the periphery of the weight member 4, such as three, four or more stop members 3 uniformly distributed on the periphery of the weight member 4. A contact plate 31 is connected to the stopper 3, the contact plate 31 is located on the side facing the weight member 4, and when the stopper 3 holds the weight member 4, the contact plate 31 is in direct contact with the surface of the weight member 4. The area of the contact plate 31 can be adjusted as required to increase the contact area between the stopper 3 and the weight member 4 and reduce the pressure on the surface of the weight member 4.
Of course, the stopper 3 is not limited to the air cylinder and the hydraulic cylinder, and in another embodiment, the stopper 3 is an electromagnetic device provided on one side of the weight member 4, and the force acting between the electromagnetic device and the weight member 4 is adjusted by on-off electricity. If the electromagnetic device comprises a magnetic fluid and a magnetic field generating device for adjusting the state of the magnetic fluid, when the controller receives a pressure signal from the pressure sensor 6, the magnetic field generating device generates a magnetic field to enable the magnetic fluid to generate magnetic attraction force, and the weight part 4 is fixed through the magnetic attraction force. Alternatively, the electromagnetic device is an electromagnetic brake, which is equivalent to a brake assembly, and the weight member 4 can be fixed by clamping.
In one embodiment, the support member comprises a frame 1 and a support rod 2 connected to the frame 1, wherein a weight member 4 is slidably connected to the support rod 2. The frame 1 plays a fixed role, the support rod 2 is fixed through the frame 1, and the support rod 2 guides and limits the falling direction of the counterweight component 4.
Wherein, the frame 1 can be arranged in an axial symmetry or central symmetry way, and is connected at the upper part or the lower part, and the connected part is used for arranging the supporting rod 2. The material of the frame 1 may be, but is not limited to, structural steel, stainless steel, aluminum alloy, and the like. The support rods 2 are arranged in the middle of the frame 1, and the positions of the support rods 2 are symmetrical with respect to the center of the test platform 5, and the number of the support rods 2 can be, but is not limited to, two. The material of the support rod 2 may be, but is not limited to, structural steel, stainless steel, or aluminum alloy. The weight member 4 is mounted on the support rod 2 and can freely move relative to the support rod 2, and the center of the weight member 4 is coincident with the center of the frame 1.
Referring to fig. 1 to 3, the frame 1 is a rectangular annular frame 1, and the front side and the rear side of the frame 1 are through, so that a workpiece to be tested can be conveniently placed on the test platform 5, and the running state of the impact detection device can be conveniently observed.
In one embodiment, the weight member 4 includes a connecting portion 42 connected to the support rod 2 and a hammer portion 41 for striking the workpiece to be measured, and the hammer portion 41 is connected to the connecting portion 42. The connecting part 42 is provided with a through hole, the supporting rod 2 penetrates through the hole, and the installation is simple and convenient and the structure is simple. The hammer part 41 is detachably connected to the connecting part 42, so that the hammer part is convenient to replace and can be suitable for impact detection of various specifications; or, the hammer part 41 and the connecting part 42 are integrally formed, so that the structure is stable and the service life is long.
In one embodiment, the connecting portion 42 connects the plurality of support rods 2 in a penetrating manner, so that the plurality of support rods 2 perform multiple guiding and limiting operations on the weight member 4, and the weight member 4 is ensured to freely fall along the vertical direction.
Referring to fig. 1 to 3, a hole is formed at each of four opposite corners of the connecting portion 42, so that each of the four opposite corners of the connecting portion 42 extends through one of the support rods 2, and the support rods 2 perform multiple guiding and limiting operations on the weight member 4, thereby providing a more stable structure. The weight member 4 may be made of a metal material such as structural steel or stainless steel, or may be made of a non-metal material such as rubber.
In one embodiment, the weight member is connected to an automatic climbing structure (not shown), and the automatic climbing structure is connected to the support rod to drive the weight member to automatically ascend and descend. The weight component automatically rises, so that the automation degree of the impact detection device is improved, and the manual operation cost is reduced. The automatic climbing structure drives the heavy hammer part to quantitatively control climbing height and determine the impact force.
The automatic climbing structure comprises a telescopic cylinder, a first clamping structure and a second clamping structure, wherein the first clamping structure is arranged at one end of the telescopic cylinder, the second clamping structure is arranged at the other end of the telescopic cylinder, and the first clamping structure and the second clamping structure can be clamped on the supporting rod. When the first clamping structure clamping of telescoping cylinder lower extreme is fixed at the bracing piece, the upper end of telescoping cylinder upwards stretches out and the second clamping structure clamping is fixed on the bracing piece, and first clamping structure loosens this moment for the lower extreme of telescoping cylinder upwards contracts back, and first clamping structure rises thereupon and the fixed bracing piece of centre gripping, consequently, through the telescoping cylinder flexible and first clamping structure and the second clamping structure centre gripping is fixed in turn, can realize the automation of weight part and rise.
Of course, the automatic climbing structure may also be another structure capable of pulling the weight member 4 upwards, such as a structure that is hoisted on the top of the frame 1 and can be adjusted in a lifting manner, and the weight member 4 is driven to ascend through telescopic adjustment. The lifting adjusting structure can be a cylinder, a hydraulic cylinder or a screw rod and nut matching structure.
In one embodiment, the support member is connected to a positioning member (not shown) that can be adjusted in height direction of the support member, and the weight member is connected to the positioning member to be fixed at a predetermined height position. The positioning component can fix the heavy hammer component at a preset height position, so that the heavy hammer component provides different impact acting forces, and the adjustment is simple.
The positioning component can be a lifting hook which is hung on the top of the frame 1, and the height of the lifting hook can be adjusted. Alternatively, the positioning member may be a retractable tray disposed on the side wall of the frame 1, and when the weight member 4 is lifted to a predetermined height position, the retractable tray is extended and provides a support beam force for the weight member 4, and when the weight member 4 is required to fall, the retractable tray is retracted (e.g., rotated downward) to release the support, so that the weight member 4 can fall freely.
In addition, the structure of the positioning member may also be the same as that of the stopper member in the above-described embodiment.
The impact detection device of the embodiment can collect pressure impact generated by the heavy hammer component 4 impacting the battery through the pressure sensor 6, and start the stop component through the pulse signal, stop the heavy hammer component 4 instantly after the heavy hammer component 4 impacts the battery for the first time, prevent the heavy hammer component 4 from rebounding to impact the battery for the second time, avoid deviation of a test result, and improve detection accuracy.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. An impact detection device, comprising:
a test platform for placing a workpiece to be tested,
the weight component is arranged above the test platform and provides an impact acting force by freely dropping the workpiece to be tested;
the stop component is positioned above the test platform and used for fixing the heavy hammer component on a rebound path of the heavy hammer component;
and the supporting component is fixedly connected with the stopping component.
2. The impact detection apparatus of claim 1, wherein a pressure sensor is coupled to the test platform, the stop member comprises a controller and a stop coupled to the controller, and the pressure sensor is coupled to the controller.
3. The impact detection apparatus of claim 2, wherein the pressure sensor has one side that abuts a surface of the test platform and another side that abuts a surface of the support member.
4. The impact detection apparatus according to claim 2, wherein the stopper is a cylinder or a hydraulic cylinder provided on one side of the weight member, and at least two stoppers are provided on the outer side of the weight member so as to hold the weight member therebetween.
5. The impact detection device according to claim 2, wherein the stopper is an electromagnetic device provided on at least one side of the weight member.
6. The impact detection apparatus according to claim 1, wherein the support member includes a frame and a support rod connected to the frame, the support rod being slidably connected to the weight member.
7. The impact detection apparatus according to claim 6, wherein the weight member includes a connection portion connected to the support rod and a hammer portion for impacting the workpiece to be measured, the hammer portion being connected to the connection portion.
8. The impact detection apparatus according to claim 7, wherein the connection portion connects a plurality of the support rods therethrough.
9. The apparatus as claimed in claim 7, wherein the weight member is connected to an automatic climbing structure, and the automatic climbing structure is connected to the support rod to drive the weight member to automatically ascend and descend.
10. The impact detection apparatus according to any one of claims 1 to 9, wherein a positioning member is connected to the support member, the positioning member is adjustable in height along the support member, and the weight member is connected to the positioning member so as to be fixed at a predetermined height position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066673.0U CN213516268U (en) | 2020-09-18 | 2020-09-18 | Impact detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022066673.0U CN213516268U (en) | 2020-09-18 | 2020-09-18 | Impact detection device |
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| CN213516268U true CN213516268U (en) | 2021-06-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178326A (en) * | 2022-06-14 | 2022-10-14 | 晏杨红 | Harmless treatment device for recycling new energy automobile battery |
| CN117589887A (en) * | 2024-01-18 | 2024-02-23 | 杭州爱华智能科技有限公司 | Impact hammer quality detection device and method of standard impact device and electronic equipment |
-
2020
- 2020-09-18 CN CN202022066673.0U patent/CN213516268U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178326A (en) * | 2022-06-14 | 2022-10-14 | 晏杨红 | Harmless treatment device for recycling new energy automobile battery |
| CN115178326B (en) * | 2022-06-14 | 2024-05-03 | 广东快保网络有限公司 | New energy automobile battery retrieves innocent treatment device |
| CN117589887A (en) * | 2024-01-18 | 2024-02-23 | 杭州爱华智能科技有限公司 | Impact hammer quality detection device and method of standard impact device and electronic equipment |
| CN117589887B (en) * | 2024-01-18 | 2024-04-16 | 杭州爱华智能科技有限公司 | Impact hammer quality detection device and method of standard impact device and electronic equipment |
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