CN112880897B - Tension testing device for preservative film production and convenient for local tension adjustment - Google Patents
Tension testing device for preservative film production and convenient for local tension adjustment Download PDFInfo
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- CN112880897B CN112880897B CN202110047108.6A CN202110047108A CN112880897B CN 112880897 B CN112880897 B CN 112880897B CN 202110047108 A CN202110047108 A CN 202110047108A CN 112880897 B CN112880897 B CN 112880897B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/045—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands for measuring the tension across the width of a band-shaped flexible member
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a tension testing device for preservative film production, which is convenient for local tension adjustment and comprises a placing table, a servo motor, a connecting rod, an adjusting groove, an ejector rod, an extension rod and a pressing block, wherein the servo motor is fixed on the upper surface of the placing table through a bolt, a supporting rod is fixed on the upper surface of the placing table in a welding mode, a limiting groove is formed in the inner side surface of the supporting rod, a driving rod is fixed at the output end of the servo motor in a welding mode, the connecting rod is arranged on the outer surface of the driving rod, a fixing block is arranged on the outer surface of the connecting rod, an attachment block is fixed on the upper surface of the supporting rod in a welding mode, and a sliding groove is formed in the attachment block. This tensioning degree testing arrangement is used in plastic wrap production convenient to adjust local tension is provided with regulation pole, extension rod, dwang, fixed block and connecting block, makes the biggest deformation volume of plastic wrap of calculating out of the accurate measuration of whole device, has improved the experimental data accuracy of whole device.
Description
Technical Field
The invention relates to the technical field of preservative film production, in particular to a tension testing device for preservative film production, which is convenient for local tension adjustment.
Background
The plastic wrap is used for reducing fruit vegetables surface moisture loss and the safeguard measure of being invaded by the bacterium, people hold uneaten fruit in the dish, then laminate the one end of plastic wrap at the avris surface of dish, drag the plastic wrap of getting appropriate amount length after that and seal fruit vegetables, then the cold-stored of placing the refrigerator in the dish that will be equipped with the fruit vegetables is preserved, in order to make people when dragging the plastic wrap, cracked present can not appear in the plastic wrap, need carry out the rate of tension to the plastic wrap and test in the production process of plastic wrap, the rate of tension testing arrangement need be used this moment.
Some current devices for producing plastic wrap have the following problems:
the tension testing device for the production of the preservative film is inconvenient to adjust local tension, when the tension of the preservative film is tested, the middle part of the preservative film is pressed or jacked up through a driving device, and the highest point is difficult to be guaranteed to be the central point of the preservative film when the whole preservative film covers fruits and vegetables due to different sizes of the fruits and vegetables, so that the whole device cannot adjust and test the local tension, the accuracy of test data of the whole device is poor, the preservative film with poor quality is easy to use by people, and the use experience of people is further reduced;
two, be not convenient for fix, present some for the plastic wrap production rate of tension testing arrangement when carrying out the rate of tension test to the plastic wrap, directly with the plastic wrap laminating in the piece of adhering to or use furniture to fix the plastic wrap, because directly when the plastic wrap laminating is on the piece of adhering to, there is not effectual fixing device, lead to the plastic wrap to drop with the piece of adhering to easily, and then be difficult to acquire the maximum deformation data of plastic wrap, current anchor clamps simultaneously, need start through extra drive arrangement, thereby lead to the cost of manufacture of whole device to improve, the structural complexity of whole device has also been increased simultaneously.
Therefore, we propose a tension testing device for producing plastic wrap, which facilitates the adjustment of local tension, so as to solve the problems mentioned above.
Disclosure of Invention
The invention aims to provide a tension testing device for preservative film production, which is convenient for local tension adjustment, and solves the problems that when the tension of preservative films is tested by some existing tension testing devices for preservative film production in the prior market, the middle part of the preservative films is pressed or jacked up by a driving device, and the highest point is difficult to be the central point of the preservative films when the whole preservative films cover fruits and vegetables due to different sizes of fruits and vegetables, so that the whole device cannot adjust and test local tension, the accuracy of test data of the whole device is poor, the preservative films with poor quality are easy to use by people, the use experience of people is further reduced, and when the tension testing device for preservative film production, directly fix the plastic wrap laminating in the adhesion block or use furniture to the plastic wrap, because when directly laminating the plastic wrap on the adhesion block, do not have effectual fixing device, lead to the plastic wrap to drop with the adhesion block easily, and then be difficult to acquire the biggest deformation data of plastic wrap, current anchor clamps need start through extra drive arrangement simultaneously, thereby lead to the cost of manufacture of whole device to improve, the problem of the structural complexity of whole device has also been increased simultaneously.
In order to achieve the purpose, the invention provides the following technical scheme: a tension testing device convenient for local tension adjustment for preservative film production comprises a placing table, a servo motor, a connecting rod, an adjusting groove, an ejector rod, an extension rod and a pressing block, wherein the servo motor is fixed on the upper surface of the placing table through a bolt, the supporting rod is fixed on the upper surface of the placing table through welding, a limiting groove is formed in the inner side surface of the supporting rod, a driving rod is fixed on the output end of the servo motor through welding, the connecting rod is arranged on the outer surface of the driving rod, the limiting rod is fixed on the outer surface of the connecting rod through welding, a fixing block is arranged on the outer surface of the connecting rod, a connecting block is fixed on the outer surface of the fixing block through welding, a connecting disc is fixed at the top end of the connecting rod through welding, an attachment block is fixed on the upper surface of the supporting rod through welding, a sliding groove is formed in the attachment block, and a sliding block is arranged in the sliding groove, the terminal welded fastening of sliding block has the linking piece, and the outer welded fastening who links up the piece has the dwang, the surface of dwang is provided with the regulation pole, and the inside of adjusting the pole is provided with the extension rod.
Preferably, the connection mode between the driving rod and the connecting rod is threaded connection, the connection mode between the connecting rod and the fixing block is embedded and rotationally connected, and the rotating rod is fixed on the outer surface of the fixing block in an equal-angle welding mode.
Preferably, the limiting rod and the supporting rod form a sliding structure through a limiting groove, and the sliding structure is distributed in a central symmetry mode about a vertical central axis of the placing table.
Preferably, the connecting block passes through the dwang and adjusts the pole and constitute rotating-structure, and adjusts the pole and pass through the dwang and link up the block and constitute rotating-structure, and adjust pole and dwang one-to-one.
Preferably, the upper surface of the connecting disc is provided with an adjusting groove, and a mandril is arranged in the adjusting groove.
Preferably, the upper surface of the ejector rod is connected with a pressure testing device in an embedded mode, the ejector rod and the connecting disc form a clamping sliding structure through an adjusting groove, and the adjusting groove is formed in the upper surface of the connecting disc in an equal-angle mode.
Preferably, the attachment block and the connection block form a sliding structure through a sliding groove, a sliding block, a compression block is welded and fixed on the outer surface of the connection block, two ends of the compression block are inclined, and the compression block is in a quarter arc shape.
Preferably, the extension rod and the adjusting rod form a sliding structure, and the friction force between the extension rod and the adjusting rod is greater than the friction force between the sliding block and the sliding groove.
Compared with the prior art, the invention has the beneficial effects that: the pressure regulation test can be carried out on the part of the preservative film, so that the quality of the preservative film is ensured, and the test data of the maximum deformation of the preservative film is more accurate.
The tension testing device for the preservative film production and convenient for local tension adjustment is provided with a limiting groove, a driving rod, a connecting rod, a limiting rod, a connecting disc, an adjusting groove and an ejector rod, wherein the connecting rod can move upwards under the limiting action of the limiting rod and the limiting groove through the rotation of the driving rod, so that the ejector rod jacks up the preservative film, and the ejector rod can jack up different parts of the preservative film through adjusting the position of the ejector rod in the adjusting groove, so that the testing data of the whole device are richer, and the quality of the preservative film is ensured;
two, this be convenient for rate of tension testing arrangement is used in plastic wrap production to local tension regulation is provided with the regulation pole, the extension rod, the dwang, fixed block and connecting block, through the rise of fixed block, the rise of drive connecting block, thereby make the regulation pole pass through the dwang and rotate, then make the compact heap can be to the direction motion of attachment block, then make whole device can make the attachment block compress tightly the plastic wrap, then make the ejector pin when jack-up plastic wrap, the risk that the plastic wrap can not take place to drop with the attachment block, then can make the biggest deformation volume of the accurate calculation of whole device plastic wrap, the experimental data accuracy of whole device has been improved.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the present invention;
FIG. 2 is a schematic view of a cross-sectional view of the connecting disc of the present invention;
FIG. 3 is a bottom cross-sectional view of the attachment block of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic structural diagram of the prescription B shown in FIG. 7;
FIG. 6 is a schematic perspective view of an attachment block according to the present invention;
fig. 7 is a schematic top sectional structural view of the pressing block of the present invention.
In the figure: 1. a placing table; 2. a servo motor; 3. a support bar; 4. a limiting groove; 5. a drive rod; 6. A connecting rod; 7. a limiting rod; 8. a fixed block; 9. connecting blocks; 10. a connecting disc; 11. an adjustment groove; 12. a top rod; 13. a pressure testing device; 14. a slider; 15. an attachment block; 16. a sliding groove; 17. rotating the rod; 18. a joining block; 19. adjusting a rod; 20. an extension pole; 21. and (5) a compression block.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a tension testing device convenient for local tension adjustment and used for preservative film production comprises a placing table 1, a servo motor 2, a supporting rod 3, a limiting groove 4, a driving rod 5, a connecting rod 6, a limiting rod 7, a fixing block 8, a connecting block 9, a connecting disc 10, an adjusting groove 11, a push rod 12, a pressure testing device 13, a sliding block 14, an attachment block 15, a sliding groove 16, a rotating rod 17, a connecting block 18, an adjusting rod 19, an extension rod 20 and a pressing block 21, wherein the servo motor 2 is fixed on the upper surface of the placing table 1 through bolts, the supporting rod 3 is fixed on the upper surface of the placing table 1 in a welding mode, the limiting groove 4 is formed in the inner side surface of the supporting rod 3, the driving rod 5 is fixed to the output end of the servo motor 2 in a welding mode, the connecting rod 6 is arranged on the outer surface of the driving rod 5, the limiting rod 7 is fixed to the outer surface of the connecting rod 6 in a welding mode, the fixing block 8 is arranged on the outer surface of the connecting rod 6, and the outer surface welded fastening of fixed block 8 has connecting block 9, and the top welded fastening of connecting rod 6 has connection pad 10, the upper surface welded fastening of bracing piece 3 has attached block 15, and the inside of attached block 15 has seted up sliding tray 16, and the inside of sliding tray 16 is provided with sliding block 14, the end welded fastening of sliding block 14 has linking piece 18, and the outer surface welded fastening of linking piece 18 has dwang 17, the surface of dwang 17 is provided with adjusts the pole 19, and the inside of adjusting pole 19 is provided with extension rod 20.
The mode of connection between actuating lever 5 and the connecting rod 6 is threaded connection, and the mode of connection between connecting rod 6 and the fixed block 8 is for inlaying the rotation and being connected to angle welded fastening such as the surface of fixed block 8 has dwang 17, can pass through the linkage, makes the linkage of whole device obtain improving, has then reduced the manufacturing cost of whole device, has also reduced the complexity of whole device structure simultaneously.
The gag lever post 7 constitutes sliding construction through spacing groove 4 and bracing piece 3, and this sliding construction is central symmetry about the vertical axis of placing platform 1 and distributes, can prevent that connecting rod 6 from rotating simultaneously along with the rotation of actuating lever 5, makes connecting rod 6 can make progress or downstream then, makes ejector pin 12 can carry out the jack-up to the plastic wrap then.
Connecting block 9 forms rotating-structure through dwang 17 and regulation pole 19, and adjusts pole 19 and forms rotating-structure through dwang 17 and linking piece 18, and adjusts pole 19 and dwang 17 one-to-one, can make whole device press from both sides tightly the plastic wrap automatically, makes the test of whole device to plastic wrap rate of tension smoother then, has guaranteed the accuracy of whole plastic wrap data simultaneously.
The upper surface of ejector pin 12 inlays and is connected with pressure test device 13, and ejector pin 12 passes through adjustment tank 11 and constitutes block sliding structure with connection pad 10 to the upper surface at connection pad 10 is seted up to angle such as adjustment tank 11, can make whole device test the adjustment to the part of plastic wrap, thereby makes the measured data of whole device have the reliability more.
The adhesion block 15 forms a sliding structure with the connection block 18 through the sliding groove 16, the sliding block 14, the compression block 21 is fixed on the outer surface of the connection block 18 in a welding mode, two ends of the compression block 21 are inclined, the appearance of the compression block 21 is in a quarter arc shape, the whole device can automatically fix the preservative film, and then the whole device is convenient to use.
The extension rod 20 and the adjusting rod 19 form a sliding structure, and the friction force between the extension rod 20 and the adjusting rod 19 is greater than the friction force between the sliding block 14 and the sliding groove 16, so that the compressing block 21 can be used for tightly reducing the preservative film to be fixed, and the whole device can be used for easily testing the maximum deformation of the preservative film body.
The working principle of the embodiment is as follows: when the tension testing device for producing the preservative film convenient for adjusting the local tension is used, firstly, as shown in fig. 1 and fig. 4-7, when the preservative film needs to be tested, a preservative film with a proper size is attached to the attachment block 15 (the size of the attachment block 15 is equal to that of a household plate), then the servo motor 2 is turned on, the servo motor 2 drives the driving rod 5 to rotate, because the connection mode between the driving rod 5 and the connecting rod 6 is threaded connection, the limiting rod 7 and the supporting rod 3 form a sliding structure through the limiting groove 4, and the sliding structure is centrally and symmetrically distributed about the vertical central axis of the placing table 1, so that the connecting rod 6 can move upwards or downwards;
when the connecting rod 6 moves upwards, the fixed block 8 and the connecting block 9 move upwards simultaneously, so that the adjusting rod 19 rotates through the rotating rod 17, the connecting block 18 slides in the sliding groove 16 through the sliding block 14, and the preservative film is tightly fixed by the pressing block 21, because the extending rod 20 and the adjusting rod 19 form a sliding structure, and the friction force between the extending rod 20 and the adjusting rod 19 is greater than the friction force between the sliding block 14 and the sliding groove 16, when the pressing block 21 is not attached to the attachment block 15, the extending rod 20 and the adjusting rod 19 slide relatively, and when the pressing block 21 and the attachment block 15 are attached closely, the fixed block 8 continuously moves upwards, so that the adjusting rod 19 slides on the extending rod 20, and the whole device can automatically press the preservative film;
according to the illustration in fig. 1-3, when different local adjustment measurements are required to be performed on the preservative film, because the upper surface of the top rod 12 is embedded and connected with the pressure testing device 13, the top rod 12 and the connecting disc 10 form a clamping sliding structure through the adjusting groove 11, the adjusting groove 11 is arranged on the upper surface of the connecting disc 10 at an equal angle, therefore, the tensity test can be carried out on different parts of the preservative film through different positions of the mandril 12 on the adjusting groove 11, so that the measuring range of the whole device is effectively improved, meanwhile, the tension of the preservative film is displayed through the pressure testing device 13 (the pressure testing device 13 is a device which can display the pressure when being pressed and is the prior art, and therefore, the pressure testing device is not described in detail in the application), which is the working principle of the tension testing device for producing the preservative film and is convenient for adjusting the local tension, and the content which is not described in detail in the specification belongs to the prior art which is known by a person skilled in the art.
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.
Claims (5)
1. The utility model provides a rate of tension testing arrangement is used in plastic wrap production convenient to adjust local tension, is including placing platform (1), servo motor (2), connecting rod (6), adjustment tank (11), ejector pin (12), extension rod (20) and compact heap (21), its characterized in that: the upper surface of the placing table (1) is fixed with a servo motor (2) through a bolt, the upper surface of the placing table (1) is fixedly welded with a support rod (3), the inner side surface of the support rod (3) is provided with a limit groove (4), the output end of the servo motor (2) is fixedly welded with a drive rod (5), the outer surface of the drive rod (5) is provided with a connecting rod (6), the outer surface of the connecting rod (6) is fixedly welded with a limit rod (7), the outer surface of the connecting rod (6) is provided with a fixed block (8), the outer surface of the fixed block (8) is fixedly welded with a connecting block (9), the top end of the connecting rod (6) is fixedly welded with a connecting disc (10), the upper surface of the support rod (3) is fixedly welded with an attachment block (15), the inside of the attachment block (15) is provided with a sliding groove (16), and the inside of the sliding groove (16) is provided with a sliding block (14), a connecting block (18) is fixedly welded at the tail end of the sliding block (14), a rotating rod (17) is fixedly welded on the outer surface of the connecting block (18), an adjusting rod (19) is arranged on the outer surface of the rotating rod (17), and an extending rod (20) is arranged inside the adjusting rod (19);
an adjusting groove (11) is formed in the upper surface of the connecting disc (10), and a top rod (12) is arranged inside the adjusting groove (11);
the upper surface of the ejector rod (12) is connected with a pressure testing device (13) in an embedded mode, the ejector rod (12) and the connecting disc (10) form a clamping sliding structure through an adjusting groove (11), and the adjusting groove (11) is formed in the upper surface of the connecting disc (10) in an equal-angle mode;
the attachment block (15) and the connection block (18) form a sliding structure through a sliding groove (16), a sliding block (14) and the connection block (18), a pressing block (21) is fixedly welded on the outer surface of the connection block (18), two ends of the pressing block (21) are inclined, and the shape of the pressing block (21) is in a quarter arc shape.
2. The tightness testing device for producing plastic wrap with local tension adjustment according to claim 1, wherein: the connection mode between actuating lever (5) and connecting rod (6) is threaded connection, and the connection mode between connecting rod (6) and fixed block (8) is for inlaying the rotation connection to the surface of fixed block (8) is the angle welded fastening has dwang (17) such as.
3. The tightness testing device for producing plastic wrap with local tension adjustment according to claim 1, wherein: the limiting rod (7) forms a sliding structure with the supporting rod (3) through the limiting groove (4), and the sliding structure is distributed in a central symmetry mode about a vertical central axis of the placing table (1).
4. The tightness testing device for producing plastic wrap with local tension adjustment according to claim 1, wherein: connecting block (9) constitute rotating-structure through dwang (17) and regulation pole (19), and adjust pole (19) and constitute rotating-structure through dwang (17) and connection piece (18), and adjust pole (19) and dwang (17) one-to-one.
5. The tightness testing device for producing plastic wrap with local tension adjustment according to claim 1, wherein: the extension rod (20) and the adjusting rod (19) form a sliding structure, and the friction force between the extension rod (20) and the adjusting rod (19) is larger than the friction force between the sliding block (14) and the sliding groove (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047108.6A CN112880897B (en) | 2021-01-14 | 2021-01-14 | Tension testing device for preservative film production and convenient for local tension adjustment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047108.6A CN112880897B (en) | 2021-01-14 | 2021-01-14 | Tension testing device for preservative film production and convenient for local tension adjustment |
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| CN112880897A CN112880897A (en) | 2021-06-01 |
| CN112880897B true CN112880897B (en) | 2022-07-15 |
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| CN209264319U (en) * | 2018-11-09 | 2019-08-16 | 福建洁大师高分子科技有限公司 | A kind of preservative film detection cutting sampling device |
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| CN210048013U (en) * | 2019-04-19 | 2020-02-11 | 青岛恒信塑胶有限公司 | Automatic adjust rate of tension device |
| CN210198618U (en) * | 2019-03-07 | 2020-03-27 | 真美包装科技泰州有限公司 | Drug packaging film tension testing device |
| CN210312922U (en) * | 2019-07-08 | 2020-04-14 | 河南金水电缆集团有限公司 | Tension adjusting device for cable production |
| CN111805448A (en) * | 2020-07-01 | 2020-10-23 | 中国水产科学研究院东海水产研究所 | Adjustable drum-shaped clamp for force measurement |
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2021
- 2021-01-14 CN CN202110047108.6A patent/CN112880897B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209264319U (en) * | 2018-11-09 | 2019-08-16 | 福建洁大师高分子科技有限公司 | A kind of preservative film detection cutting sampling device |
| CN209409291U (en) * | 2018-12-26 | 2019-09-20 | 安徽民祯活性包装材料有限公司 | A kind of improved preservative film production inflation film manufacturing machine |
| CN210198618U (en) * | 2019-03-07 | 2020-03-27 | 真美包装科技泰州有限公司 | Drug packaging film tension testing device |
| CN210048013U (en) * | 2019-04-19 | 2020-02-11 | 青岛恒信塑胶有限公司 | Automatic adjust rate of tension device |
| CN210312922U (en) * | 2019-07-08 | 2020-04-14 | 河南金水电缆集团有限公司 | Tension adjusting device for cable production |
| CN111805448A (en) * | 2020-07-01 | 2020-10-23 | 中国水产科学研究院东海水产研究所 | Adjustable drum-shaped clamp for force measurement |
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