CN214584607U - Measure anchor clamps support that panel atress warp - Google Patents

Measure anchor clamps support that panel atress warp Download PDF

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Publication number
CN214584607U
CN214584607U CN202120592762.0U CN202120592762U CN214584607U CN 214584607 U CN214584607 U CN 214584607U CN 202120592762 U CN202120592762 U CN 202120592762U CN 214584607 U CN214584607 U CN 214584607U
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CN
China
Prior art keywords
plate
lead screw
driving device
workstation
fixed
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Expired - Fee Related
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CN202120592762.0U
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Chinese (zh)
Inventor
王立忠
韩红亮
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Xinjiang University
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Xinjiang University
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Priority to CN202120592762.0U priority Critical patent/CN214584607U/en
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Publication of CN214584607U publication Critical patent/CN214584607U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a clamp bracket for measuring the stress deformation of a plate, which comprises a workbench, wherein guide rails are arranged on two long sides of the workbench, a sliding table is arranged between the guide rails, a vacuum adsorption platform is fixed on the top of the sliding table, a lead screw is arranged between the guide rails, one end of the lead screw is connected with a driving device, a torque sensor is arranged at the output shaft end of the driving device, the bottoms of the two sliding tables are matched and installed with the lead screw, the moving directions of the two sliding tables are opposite, one side of the driving device is provided with a controller, two ends of a plate to be tested are adsorbed and fixed through the vacuum adsorption platform, the damage to the plate is small, the vacuum adsorption platform is borne through a lead screw sliding table mechanism, the output torque of the driving device is sensed through the torque sensor, and further the rotation of the lead screw is controlled to ensure that the initial tension of each plate is the same, the accuracy of test data is improved, and the height of the whole workbench is adjustable, and the width of the plate which can be clamped is adjustable, and the practicability is strong.

Description

Measure anchor clamps support that panel atress warp
Technical Field
The utility model relates to a test equipment field, in particular to measure anchor clamps support that panel atress warp.
Background
At present, in a stress deformation test of a plate, a method generally adopted is that a test plate is fixed and clamped, then deformation is generated under the action of a force supply device, then a DIC digital speckle instrument is used for obtaining the stress deformation condition of the plate so as to obtain related information of a material, a DIC digital speckle three-dimensional full-field deformation detection and analysis system mainly adopts a digital speckle related method, two industrial cameras are adopted, the upper parts of deformation points are generally arranged, speckle images of each deformation stage of an object are collected in real time, and a graph related algorithm is used for carrying out three-dimensional matching on deformation points on the surface of the object, so that rapid, high-precision, real-time and non-contact three-dimensional strain measurement is realized, however, the two ends of the plate are mostly attached and pressed and fixed by utilizing a clamp plane in the existing plate clamp, the fastening effect is not good for thinner plates, and the plates are easy to damage, in addition, the plate is not consistent in state before force is applied in the test, and may be in the conditions of loosening, tensioning and the like, and the initial state is difficult to ensure consistency, so that the accuracy of the test detection result is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art's defect, provide a measure anchor clamps support that panel atress is out of shape, utilize the fixed panel of vacuum adsorption platform, it is fixed effectual to thinner experimental panel absorption, and through the two slide mechanism tensioning panels of lead screw, make the form of panel keep unanimous before experimental at every turn, improve experimental accuracy, in addition, the height and the panel clamping width of test table are all adjustable, and the suitability is strong.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a clamp bracket for measuring the stress deformation of a plate, which comprises a workbench, wherein the middle part of the workbench is provided with a through hole, guide rails are arranged on two long sides of the workbench, two slide blocks are respectively arranged on the guide rails, a sliding table is fixedly arranged between the two slide blocks corresponding to different guide rails, a vacuum adsorption platform is fixed at the top part of the sliding table, the vacuum adsorption platform is connected with a vacuum generating device through a pipeline, a lead screw is arranged between the guide rails, one end of the lead screw is connected with a driving device, the output shaft end of the driving device is provided with a torque sensor, the bottoms of the two sliding tables are matched and installed with the lead screw, the motion directions of the two sliding tables are opposite, one side of the driving device is provided with a controller, the controller is electrically connected with the torque sensor and the driving device, the bottom of the workbench is provided with a bottom plate, four telescopic vertical columns are arranged between the bottom plate and the workbench.
As a preferred technical scheme of the utility model, scalable stand includes inner prop and outer post, the top of inner prop is fixed on the bottom surface of workstation, inner prop activity nestification in the inside of outer post, and be provided with a plurality of bolt fastening holes that correspond on the two side, the bottom mounting of outer post is in the four corners of bottom plate.
As an optimized technical scheme of the utility model, the inner column with be provided with the bracing between the workstation.
As an optimized technical solution of the present invention, the driving device is a motor and a speed reducer.
As an optimal technical scheme of the utility model, the both ends of lead screw all are provided with the bearing frame, the inboard of bearing frame is provided with the dog.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a vacuum adsorption platform adsorbs fixed both ends of waiting to test panel, vacuum adsorption power is big, and it is little to the damage of panel, be particularly useful for thinner panel experiment, bear vacuum adsorption platform through lead screw slip table mechanism, the panel that will wait to test is fixed between two slip tables, it makes the panel of waiting to test have certain initial tensile force to rotate the lead screw, and output torque through torque sensor perception drive arrangement, and then the control lead screw rotates the number of turns, the tensioning degree of control panel, it is the same to make each panel initial tensile force of waiting to test, improve the accuracy of test data, in addition, the height-adjustable of whole workstation, and the panel width that can the clamping is adjustable, therefore, the clothes hanger is strong in practicability.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1. a work table; 2. a through hole; 3. a guide rail; 4. a slider; 5. a sliding table; 6. a vacuum adsorption platform; 7. a lead screw; 8. a drive device; 9. a torque sensor; 10. a controller; 11. a base plate; 12. a telescopic column; 13. an inner column; 14. an outer column; 15. a bolt fixing hole; 16. bracing; 17. a bearing seat; 18. and a stop block.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.
In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
As shown in figure 1, the utility model provides a fixture support for measuring the stress deformation of a plate, which comprises a workbench 1, wherein the middle part of the workbench 1 is provided with a through hole 2, two long sides of the workbench 1 are respectively provided with a guide rail 3, the guide rail 3 is respectively provided with two slide blocks 4, a sliding table 5 is fixedly arranged between the two corresponding slide blocks 4 on different guide rails 3, the top part of the sliding table 5 is fixedly provided with a vacuum adsorption platform 6, the vacuum adsorption platform 6 is connected with a vacuum generating device through a pipeline, a lead screw 7 is arranged between the guide rails 3, one end of the lead screw 7 is connected with a driving device 8, the output shaft end of the driving device 8 is provided with a torque sensor 9, the bottoms of the two sliding tables 5 are respectively matched and arranged with the lead screw 7, the moving directions of the two sliding tables are opposite, one side of the driving device 8 is provided with a controller 10, the controller 10 is electrically connected with the torque sensor 9 and the driving device 8, the bottom of workstation 1 is provided with bottom plate 11, is provided with four scalable stands 12 between bottom plate 11 and the workstation 1.
Further, scalable stand 12 includes inner prop 13 and outer prop 14, and the top of inner prop 13 is fixed on the bottom surface of workstation 1, and inner prop 13 activity nestification is in the inside of outer prop 14, and is provided with a plurality of bolt fastening hole 15 that correspond on the two side, and the bottom mounting in bottom plate 11's four corners of outer prop 14 adjusts workstation 1's height through the bolt, and then adapts to not co-altitude for the power device, places on bottom plate 11, applys the deformation force for the test panel from the bottom.
And an inclined strut 16 is arranged between the inner column 13 and the workbench 1, so that the strength and stability of the whole structure are improved.
The driving device 8 is a motor and a speed reducer, is driven by the motor, is convenient to control the rotation of the screw 7, further enables the two sliding tables 5 to be separated by a proper distance, enables the test board to keep an initial tensioning state, and improves the reliability of test data.
Bearing blocks 17 are arranged at two ends of the screw rod 7 to play a good supporting role, and a stop block 18 is arranged on the inner side of each bearing block 17 and serves as a stroke end point of the sliding table 5, so that impact on the bearing blocks 17 is reduced, and influence on transmission precision of the screw rod sliding table is reduced.
Specifically, when the device is used, firstly, according to the length of a plate to be tested, a driving device 8 is opened, the distance between two sliding tables 5 is adjusted, then two ends of the plate are respectively placed on a vacuum adsorption platform 6, a vacuum generating device is opened, the plate is firmly adsorbed and fixed, then the driving device 8 is opened to drive the sliding tables 5 to move in opposite directions, the plate is tensioned, when the tensioning is immediately reached to a certain value, a controller 10 receives a signal of a torque sensor 9, the driving device 8 is controlled to stop rotating, the plate reaches a set tensioning degree, finally, a force supply device on a bottom plate 11 is opened, the force supply device acts on the tensioned plate upwards to enable the tensioned plate to be stressed and deformed, a digital speckle pattern detector camera on the upper portion of the plate records the deformation process of the plate, the data of the plate material is obtained through analysis, when the required height of the force supply device is different, the height of the inner column 13 embedded in the outer column 14 is passed through, then the working table is fixed on the bolt fixing hole 15 by bolts, and the use requirements of the working tables 1 with different heights can be met.
The vacuum adsorption platform 6 fixes the two ends of the plate, adopts vacuum adsorption force to fix firmly, has small damage to the plate, is particularly suitable for thin plate tests, a guide rail and sliding block mechanism is formed by the guide rail 3, the sliding block 4 and the sliding table 5 to guide and slide, a vacuum adsorption platform 6 is borne by a screw sliding table structure formed by the screw 7 and the two sliding tables 5, a plate to be tested is fixed between the two sliding tables 5, the tension degree of the plate can be controlled by the driving device 8, the output torque of the driving device 8 is sensed by the torque sensor 9, a preset value is fixed under the setting of the controller 10, the force value of the two sliding tables 5 for tensioning the plate to be tested is constant, and the telescopic upright posts 12 formed by a plurality of bolt fixing holes 15, the height of the whole workbench 1 can be easily adjusted, and the workbench is suitable for various height series force-supplying devices.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a measure anchor clamps support of panel atress deformation, includes workstation (1), its characterized in that, the middle part of workstation (1) is provided with through-hole (2), all be provided with guide rail (3) on the both sides length of workstation (1), respectively be provided with two slider (4) on guide rail (3), correspond two on different guide rail (3) fixed sliding table (5) are provided with between slider (4), the top of sliding table (5) is fixed with vacuum adsorption platform (6), vacuum adsorption platform (6) pass through the tube coupling vacuum generating device, be provided with lead screw (7) between guide rail (3), the one end of lead screw (7) is connected with drive arrangement (8), the output shaft end of drive arrangement (8) is provided with torque sensor (9), two the bottom of sliding table (5) all with lead screw (7) cooperation installation, and the motion direction of the two is opposite, one side of drive arrangement (8) is provided with controller (10), controller (10) with torque sensor (9) drive arrangement (8) electric connection, the bottom of workstation (1) is provided with bottom plate (11), bottom plate (11) with be provided with four scalable stand (12) between workstation (1).
2. The clamp bracket for measuring the stress deformation of a plate according to claim 1, wherein the telescopic upright column (12) comprises an inner column (13) and an outer column (14), the top end of the inner column (13) is fixed on the bottom surface of the workbench (1), the inner column (13) is movably nested inside the outer column (14), a plurality of corresponding bolt fixing holes (15) are formed in the side surfaces of the inner column (13) and the outer column (14), and the bottom end of the outer column (14) is fixed at the four corners of the bottom plate (11).
3. The clamp bracket for measuring the stress deformation of the plate as claimed in claim 2, wherein an inclined strut (16) is arranged between the inner column (13) and the workbench (1).
4. The clamp bracket for measuring the stressed deformation of a plate according to claim 1, wherein the driving device (8) is a motor and a reducer.
5. The clamp bracket for measuring the stress deformation of the plate according to claim 1, wherein bearing seats (17) are arranged at both ends of the screw rod (7), and stop blocks (18) are arranged on the inner sides of the bearing seats (17).
CN202120592762.0U 2021-03-23 2021-03-23 Measure anchor clamps support that panel atress warp Expired - Fee Related CN214584607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120592762.0U CN214584607U (en) 2021-03-23 2021-03-23 Measure anchor clamps support that panel atress warp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120592762.0U CN214584607U (en) 2021-03-23 2021-03-23 Measure anchor clamps support that panel atress warp

Publications (1)

Publication Number Publication Date
CN214584607U true CN214584607U (en) 2021-11-02

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ID=78321260

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120592762.0U Expired - Fee Related CN214584607U (en) 2021-03-23 2021-03-23 Measure anchor clamps support that panel atress warp

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114459914A (en) * 2022-02-11 2022-05-10 大连交通大学 Steel bridge deformation testing and analyzing device based on digital image technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114459914A (en) * 2022-02-11 2022-05-10 大连交通大学 Steel bridge deformation testing and analyzing device based on digital image technology

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Granted publication date: 20211102