CN112611657A - Testing device - Google Patents
Testing device Download PDFInfo
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- CN112611657A CN112611657A CN202010329817.9A CN202010329817A CN112611657A CN 112611657 A CN112611657 A CN 112611657A CN 202010329817 A CN202010329817 A CN 202010329817A CN 112611657 A CN112611657 A CN 112611657A
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- material supporting
- supporting mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a test device which comprises a first material supporting mechanism and a second material supporting mechanism, wherein the first material supporting mechanism and the second material supporting mechanism are arranged oppositely; the first material supporting mechanism and the second material supporting mechanism can extend and retract simultaneously, when the first material supporting mechanism and the second material supporting mechanism are in an extending state, the first material supporting mechanism and the second material supporting mechanism are close to each other and can bear a workpiece, when the first material supporting mechanism and the second material supporting mechanism are in a retracting state, the first material supporting mechanism and the second material supporting mechanism are far away from each other, the workpiece loses the support of the first material supporting mechanism and the second material supporting mechanism and freely falls under the action of self gravity, and therefore the testing device can release the workpiece more stably.
Description
Technical Field
The invention relates to the technical field of traffic engineering detection, in particular to a test device.
Background
The anti-dazzle plate is a traffic safety product which is produced and manufactured for solving the glare of opposite car lamps and is arranged on a central separation belt of an expressway, is mostly arranged on guardrails of the central separation belt of the expressway or in the middle of the guardrails, is also arranged on movable guardrails with central openings, and is divided into a steel anti-dazzle plate, a plastic anti-dazzle plate and a glass fiber reinforced plastic anti-dazzle plate in material.
At present, in the traditional low-temperature resistance detection mode of the anti-dazzle plate, most detection modes are that the anti-dazzle plate freely falls at a preset high position by matching a support with a steel ruler or supporting the anti-dazzle plate by hands, the operation is not standard enough, and the height of the anti-dazzle plate cannot be guaranteed and the anti-dazzle plate can not stably fall freely.
Disclosure of Invention
The invention aims to provide a testing device which has the advantage of accurate detection and solves the problems that the high accuracy and the horizontal falling of a workpiece cannot be ensured only by a steel ruler in the traditional mode.
In order to achieve the purpose, the invention provides the following technical scheme: the device comprises a first material supporting mechanism and a second material supporting mechanism, wherein the first material supporting mechanism and the second material supporting mechanism are arranged oppositely; the first material supporting mechanism and the second material supporting mechanism can extend towards the direction close to each other and retract towards the direction far away from each other, when the first material supporting mechanism and the second material supporting mechanism are in the extending state, the first material supporting mechanism and the second material supporting mechanism can bear a workpiece, and when the first material supporting mechanism and the second material supporting mechanism are in the retracting state, the workpiece loses the support of the first material supporting mechanism and the second material supporting mechanism and freely falls under the action of self gravity.
Preferably, the first material supporting mechanism comprises a material supporting part and a first executing part, the material supporting part is connected with the motion output end of the first executing part, the first executing part and the second material supporting mechanism are arranged oppositely, and the first executing part can drive the material supporting part to move towards the direction close to the second material supporting mechanism, so that the material supporting part and the second material supporting mechanism are mutually matched and bear workpieces; the first executing part can drive the material supporting part to move towards the direction far away from the second material supporting mechanism, so that the material supporting part and the second material supporting mechanism are matched with each other and can release the workpiece.
Preferably, the material supporting part is provided with an anti-slip structure for enhancing the friction force between the workpiece and the material supporting part.
Preferably, the testing device further comprises a first clamping mechanism and a second clamping mechanism, the first clamping mechanism is arranged on the first material supporting mechanism, the second clamping mechanism is arranged on the second material supporting mechanism, the first clamping mechanism and the second clamping mechanism can simultaneously extend towards the directions close to each other and retract towards the directions away from each other, when the first clamping mechanism and the second clamping mechanism are in the extending state, the first clamping mechanism and the second clamping mechanism can clamp the workpiece, and when the first clamping mechanism and the second clamping mechanism are in the retracting state, the first clamping mechanism and the second clamping mechanism can release the workpiece.
Preferably, the first clamping mechanism comprises a second actuating element and a clamping element, the second actuating element is arranged on the first actuating element and is opposite to the second clamping mechanism, the clamping element is connected with a motion output end of the second actuating element, and the second actuating element can drive the clamping element to move towards a direction close to the second clamping mechanism, so that the clamping element and the second clamping mechanism are matched with each other and can clamp the workpiece; the second actuating member can drive the clamping member to move in a direction away from the second clamping mechanism, so that the clamping member is matched with the second clamping mechanism and can release the workpiece.
Preferably, the clamping member is provided with an anti-slip structure for enhancing the friction force between the workpiece and the clamping member.
Preferably, the test device further comprises a protective shell, and the protective shell is sleeved outside the first material supporting mechanism; the protective shell is provided with a through hole, and the through hole is used for enabling the first material supporting mechanism to extend out of the protective shell in the extending state.
Preferably, the testing device further comprises a controller, and the controller is used for controlling the first material supporting mechanism and the second material supporting mechanism to extend and retract.
Preferably, the test device further comprises a support, and the first material supporting mechanism and the second material supporting mechanism are arranged at the top of the support.
Preferably, the testing device further comprises a support leg mechanism, the support leg mechanism is screwed at the bottom of the support frame, and the support leg mechanism can be driven to extend or retract relative to the support frame by rotating the support leg mechanism, so that the height of the support frame can be adjusted.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the first material supporting mechanism and the second material supporting mechanism extend out simultaneously and approach to proper positions, the workpiece is placed on the first material supporting mechanism and the second material supporting mechanism, when the test device is used for detection, the first material supporting mechanism and the second material supporting mechanism retract towards the direction away from each other simultaneously, the workpiece loses the support of the first material supporting mechanism and the second material supporting mechanism and stably and freely falls under the action of gravity to move downwards, so that the test device more stably releases the workpiece; therefore, the phenomenon that the workpiece falls and is unbalanced due to improper manual operation in the traditional detection process is effectively avoided.
Drawings
FIG. 1 is a schematic front sectional view of the structure of the present invention;
fig. 2 is a perspective view of the present invention.
In the figure: 1. a column; 2. a frame; 3. a first bearing plate; 4. a second actuator; 5. a clamping member; 6. protecting the shell; 7. a through hole; 8. a switch; 9. an indicator light; 10. a touch screen; 12. a leg mechanism; 123. a support leg; 124. a non-slip mat; 13. a first actuator; 14. a material supporting part; 15. a second carrier plate; 16. an electromagnetic valve; 17. a controller; 1-1, a first material supporting mechanism; 2-2, a second material supporting mechanism; 3-3, a first clamping mechanism; 4-4, a first clamping mechanism; 5-5, a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: as shown in fig. 1, the testing device comprises a first material supporting mechanism 1-1 and a second material supporting mechanism 2-2, wherein the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 are arranged oppositely; the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 can extend towards a direction close to each other and retract towards a direction away from each other, when the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 are in an extending state, the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 can bear a workpiece, and when the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 are in a retracting state, the workpiece loses the support of the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 and falls freely under the action of self gravity.
The first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 extend out simultaneously and approach to proper positions, a workpiece is placed on the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2, when a test device is subjected to a falling test, the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 retract simultaneously in the direction away from each other, the workpiece loses the support of the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 and stably and freely falls under the action of gravity to move downwards, and therefore the test device releases the workpiece more stably; therefore, the phenomenon that the workpiece falls and is unbalanced due to improper manual operation in the traditional detection process is effectively avoided.
In one embodiment, the workpiece may be, but is not limited to, a glare shield.
In one embodiment, the first material supporting mechanism 1-1 comprises a material supporting part 14 and a first executing part 13, the material supporting part 14 is connected with a motion output end of the first executing part 13, the first executing part 13 is arranged opposite to the second material supporting mechanism 2-2, and the first executing part 13 can drive the material supporting part 14 to move towards a direction close to the second material supporting mechanism 2-2, so that the material supporting part 14 and the second material supporting mechanism 2-2 are matched with each other and bear a workpiece; the first executing part 13 can drive the material supporting part 14 to move in a direction away from the second material supporting mechanism 2-2, so that the material supporting part 14 is matched with the second material supporting mechanism 2-2, and the workpiece can be released.
In one embodiment, the second material supporting mechanism 2-2 has the same structure as the first material supporting mechanism 1-1, and the specific structure of the second material supporting mechanism 2-2 can refer to the specific description of the first material supporting mechanism 1-1 above, which is not repeated here.
In one embodiment, the material holding member 14 is provided with an anti-slip structure for enhancing the friction between the workpiece and the material holding member 14, and the anti-slip structure may be an anti-slip groove or an anti-slip stripe provided on the material releasing member 14.
In one embodiment, the first actuating member 13 is an air cylinder, the material supporting member 14 is a plate-shaped structure, and a moving output end of the air cylinder is connected with the material supporting member 14.
In one embodiment, the testing device further comprises a first clamping mechanism 3-3 and a second clamping mechanism 4-4, wherein the first clamping mechanism 3-3 is arranged on the first material supporting mechanism 1-1, the second clamping mechanism 4-4 is arranged on the second material supporting mechanism 2-2, the first clamping mechanism 3-3 and the second clamping mechanism 4-4 can simultaneously extend towards the direction close to each other and retract towards the direction away from each other, when the first clamping mechanism 3-3 and the second clamping mechanism 4-4 are in the extending state, the first clamping mechanism 3-3 and the second clamping mechanism 4-4 are close to each other and can clamp the workpiece, when the first clamping mechanism 3-3 and the second clamping mechanism 4-4 are in the retracting state, the first clamping mechanism 3-3 and the second clamping mechanism 4-4 are far away from each other and loosen the workpiece, and the workpiece loses the clamping of the first clamping mechanism 3-3 and the second clamping mechanism 4-4 and falls freely under the action of self gravity.
In the embodiment, a workpiece is placed on the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 at first by simultaneously extending the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 and approaching to a proper position, and the first clamping mechanism 3-3 and the second clamping mechanism 4-4 approach to each other and clamp the workpiece; when the test device is used for a falling test, the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 are retracted towards the directions away from each other at the same time, the workpiece loses the support of the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2, then the first clamping mechanism 3-3 and the second clamping mechanism 4-4 are separated from each other and loosened, the workpiece loses the clamping of the first clamping mechanism 3-3 and the second clamping mechanism 4-4 and falls freely under the action of self gravity, and therefore the test device releases the workpiece more stably; therefore, the phenomenon that local stress is unbalanced when the workpiece falls due to improper manual operation in the traditional detection process is effectively avoided.
Through the arrangement of the first clamping mechanism 3-3 and the second clamping mechanism 4-4, the workpiece loses the clamping of the first clamping mechanism 3-3 and the second clamping mechanism 4-4 and falls freely under the action of self gravity, so that the test device releases the workpiece more stably; therefore, the phenomenon that local stress is unbalanced when the workpiece falls due to improper manual operation in the traditional detection process is effectively avoided.
In one embodiment, the first clamping mechanism 3-3 comprises a second actuating member 4 and a clamping member 5, the second actuating member 4 is arranged on a first actuating member 13, the clamping member 5 is connected with a motion output end of the second actuating member 4, and the second actuating member 4 can drive the clamping member 5 to move towards a direction close to the second clamping mechanism 4-4, so that the clamping member 5 and the second clamping mechanism 4-4 are mutually matched and can clamp the workpiece; the second actuating member 4 can drive the clamping member 5 to move away from the second clamping mechanism 4-4, so that the clamping member 5 is matched with the second clamping mechanism 4-4 and can release the workpiece.
In one embodiment, the second clamping mechanism 4-4 is identical in structure to the first clamping mechanism 3-3, and the specific structure of the second clamping mechanism 4-4 can refer to the specific description of the first clamping mechanism 3-3 above, which is not repeated here.
In one embodiment, the second actuating member 4 is a cylinder, the clamping member 5 is a plate-shaped structure, and the moving output end of the cylinder is connected with the clamping member 5.
In one embodiment, the clamping member 5 is provided with an anti-slip structure for enhancing the friction between the workpiece and the clamping member 5, and the anti-slip structure may be an anti-slip groove or an anti-slip strip provided on the clamping member 5
In one embodiment, as shown in fig. 2, the testing apparatus further includes a protective shell 6, and the protective shell 6 is sleeved outside the first material supporting mechanism 1-1; the protective shell 6 is provided with a through hole 7, and the through hole 7 is used for enabling the first material supporting mechanism 1-1 to extend out of the protective shell 6 in the extending state.
Specifically, the through hole 7 is used for allowing the first material supporting mechanism 1-1 and the first clamping mechanism 3-3 to extend out of the protective shell 6 in the extending state.
In one embodiment, the above-described test apparatus further comprises a controller 17 for controlling the extension and retraction of the first and second holding mechanisms 1-1 and 2-2.
In one embodiment, the testing device further comprises a touch screen 10, wherein the touch screen 10 is arranged on the outer side wall of the protective shell 6, and the touch screen 10 is electrically connected with a controller 17; the touch screen 10 is used for transmitting an operation instruction to the controller 17.
In one embodiment, the controller 17 is disposed on the first material supporting mechanism 1-1, and the controller 17 is configured to receive an operation instruction of the touch screen 10 and convert the operation instruction into a control instruction to transmit the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2.
In one embodiment, the testing device further comprises an electromagnetic valve 16, the electromagnetic valve 16 is arranged on the first material supporting mechanism 1-1, the electromagnetic valve 16 is electrically connected with the controller 17, and the electromagnetic valve 16 is respectively in pneumatic connection with the first material supporting mechanism 1-1, the second material supporting mechanism 2-2, the first clamping mechanism 3-3 and the second clamping mechanism 4-4; the electromagnetic valve 16 is used for receiving a control command of the controller 17 and controlling the extension and retraction of the first material supporting mechanism 1-1, the second material supporting mechanism 2-2, the first clamping mechanism 3-3 and the second clamping mechanism 4-4.
Specifically, the electromagnetic valve 16 is pneumatically connected with the two first actuators 13 and the two second actuators 4 respectively; the touch screen 10 transmits a command to the controller 17 by manually inputting the command to the touch screen 10, the controller 17 controls the electromagnetic valve 16 according to the command, and the electromagnetic valve 16 controls the extension and contraction of the two first actuators 13 and the two second actuators 4, so that the two first actuators 13 can be driven to carry and release a workpiece and the two second actuators 4 can clamp and release the workpiece.
In one embodiment, the testing device further comprises a switch 8 and an indicator light 9, wherein the switch 8 and the indicator light 9 are arranged on the protective shell 6; the switch 8 is used for controlling the starting and the closing of the whole testing device; the indicator light 8 is used for displaying the working states of the first executive component 13 and the second executive component 4, and the indicator light 8 is also used for displaying the starting and closing states of the whole testing device, so that an operator can be reminded conveniently.
In one embodiment, the cylinder is pneumatically connected to and controlled by the solenoid valve 16, the controller 17 is a PLC element or a single chip, and the solenoid valve 16 is connected to and controlled by the PLC element.
In one embodiment, the testing device further comprises a support 5-5, the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 are arranged at the top of the support 5-5, and the support 5-5 is used for supporting the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2.
Specifically, the support 5-5 comprises a plurality of upright posts 1, a frame 2, a first bearing plate 3 and a second bearing plate 15, wherein the frame 2 is arranged at the top of the upright posts 1; the two ends of the frame 2 are respectively provided with a first bearing plate 3 and a second bearing plate 15, the first executing part 13 of the first material supporting mechanism 1-1 is arranged on the first bearing plate 3, the first executing part 13 of the second material supporting mechanism 2-2 is arranged on the second bearing plate 15, and the first bearing plate 3 and the second bearing plate 15 are both connected with the frame 2.
In one embodiment, the testing device further comprises a foot mechanism 12, wherein the foot mechanism 12 is screwed at the bottom of the upright 1 of the bracket 5-5, and the foot mechanism 12 can be driven to extend or retract relative to the bracket 5-5 by rotating the foot mechanism 12, so that the height of the bracket 5-5 can be adjusted, and the material supporting positions of the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 can be adjusted.
In one embodiment, the leg mechanism 12 comprises a leg 123 and a non-slip mat 124, the leg 123 is screwed on the bottom of the upright 1, and the leg 123 is rotated to drive the leg 123 to extend or retract relative to the upright 1, so as to adjust the height of the bracket 5-5. The anti-slip pad 124 is arranged at the bottom of the supporting foot 123, and the anti-slip pad 124 is used for enabling the whole testing device to be more stable when the testing device bears a workpiece, so that the testing device is prevented from sliding in the working process. The bottom of the anti-slip pad 124 is provided with an anti-slip structure, which may be an anti-slip groove or an anti-slip stripe.
In summary, the following steps: according to the test device, the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 extend out simultaneously and approach to proper positions, a workpiece is placed on the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2, when the test device is tested, the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 retract towards the direction away from each other simultaneously, the workpiece loses the support of the first material supporting mechanism 1-1 and the second material supporting mechanism 2-2 and stably and freely falls under the action of gravity to move downwards, and therefore the phenomenon that the workpiece falls out of balance due to manual operation in the traditional test process is effectively avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A test device, characterized in that: the device comprises a first material supporting mechanism and a second material supporting mechanism, wherein the first material supporting mechanism and the second material supporting mechanism are arranged oppositely; the first material supporting mechanism and the second material supporting mechanism can extend towards the direction close to each other and retract towards the direction far away from each other, when the first material supporting mechanism and the second material supporting mechanism are in the extending state, the first material supporting mechanism and the second material supporting mechanism can bear a workpiece, and when the first material supporting mechanism and the second material supporting mechanism are in the retracting state, the workpiece loses the support of the first material supporting mechanism and the second material supporting mechanism and freely falls under the action of self gravity.
2. The test device of claim 1, wherein: the first material supporting mechanism comprises a material supporting part and a first executing part, the material supporting part is connected with the motion output end of the first executing part, the first executing part and the second material supporting mechanism are arranged oppositely, and the first executing part can drive the material supporting part to move towards the direction close to the second material supporting mechanism so that the material supporting part and the second material supporting mechanism are mutually matched and bear the workpiece; the first executing part can drive the material supporting part to move towards the direction far away from the second material supporting mechanism, so that the material supporting part and the second material supporting mechanism are matched with each other and can release the workpiece.
3. The test device of claim 2, wherein: and the material supporting part is provided with an anti-skidding structure for enhancing the friction force between the workpiece and the material supporting part.
4. The test device of claim 1, wherein: the workpiece supporting device is characterized by further comprising a first clamping mechanism and a second clamping mechanism, wherein the first clamping mechanism is arranged on the first material supporting mechanism, the second clamping mechanism is arranged on the second material supporting mechanism, the first clamping mechanism and the second clamping mechanism can simultaneously extend towards the directions close to each other and retract towards the directions away from each other, when the first clamping mechanism and the second clamping mechanism are in the extending state, the first clamping mechanism and the second clamping mechanism can clamp the workpiece, and when the first clamping mechanism and the second clamping mechanism are in the retracting state, the first clamping mechanism and the second clamping mechanism can release the workpiece.
5. The testing device of claim 4, wherein: the first clamping mechanism comprises a second executing part and a clamping part, the second executing part is arranged on the first executing part and is opposite to the second clamping mechanism, the clamping part is connected with the motion output end of the second executing part, and the second executing part can drive the clamping part to move towards the direction close to the second clamping mechanism, so that the clamping part and the second clamping mechanism are matched with each other and can clamp the workpiece; the second actuating member can drive the clamping member to move in a direction away from the second clamping mechanism, so that the clamping member is matched with the second clamping mechanism and can release the workpiece.
6. The test device of claim 5, wherein: and the clamping piece is provided with an anti-slip structure for enhancing the friction force between the workpiece and the clamping piece.
7. A test device according to claim 1, wherein: the first material supporting mechanism is sleeved with the first material supporting mechanism; the protective shell is provided with a through hole, and the through hole is used for enabling the first material supporting mechanism to extend out of the protective shell in the extending state.
8. A test device according to claim 1, wherein: the device further comprises a controller, and the controller is used for controlling the first material supporting mechanism and the second material supporting mechanism to extend and retract.
9. The test device of claim 1, wherein: the material supporting device is characterized by further comprising a support, wherein the first material supporting mechanism and the second material supporting mechanism are arranged at the top of the support.
10. The test device of claim 9, wherein: the support leg mechanism is screwed at the bottom of the support frame, and can be driven to extend or retract relative to the support frame by rotating the support leg mechanism so as to adjust the height of the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329817.9A CN112611657A (en) | 2020-04-23 | 2020-04-23 | Testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329817.9A CN112611657A (en) | 2020-04-23 | 2020-04-23 | Testing device |
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| CN112611657A true CN112611657A (en) | 2021-04-06 |
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| CN202010329817.9A Pending CN112611657A (en) | 2020-04-23 | 2020-04-23 | Testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115711823A (en) * | 2022-12-03 | 2023-02-24 | 安徽环通工程试验检测有限公司 | Low-temperature-falling-resistant performance testing device for anti-dazzle plate |
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| CN209513206U (en) * | 2019-04-12 | 2019-10-18 | 昆山经坤自动化科技有限公司 | A kind of drop test equipment |
| CN110174230A (en) * | 2019-05-05 | 2019-08-27 | 河北工业大学 | One kind falling reliability test |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115711823A (en) * | 2022-12-03 | 2023-02-24 | 安徽环通工程试验检测有限公司 | Low-temperature-falling-resistant performance testing device for anti-dazzle plate |
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