CN109596410B - Counterforce frame system of horizontal tension standard machine - Google Patents
Counterforce frame system of horizontal tension standard machine Download PDFInfo
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- CN109596410B CN109596410B CN201910059336.8A CN201910059336A CN109596410B CN 109596410 B CN109596410 B CN 109596410B CN 201910059336 A CN201910059336 A CN 201910059336A CN 109596410 B CN109596410 B CN 109596410B
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- 230000007246 mechanism Effects 0.000 claims abstract description 113
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- 230000003068 static effect Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000009467 reduction Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 18
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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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
- G01N3/62—Manufacturing, calibrating, or repairing devices used in investigations covered by the preceding subgroups
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a reaction frame system of a horizontal tension standard machine, wherein a static force balance antifriction device comprises a first support base, a support hanging beam, a lifting mechanism and a lifting driving mechanism, wherein the support hanging beam is fixed on the first support base, a first roller is arranged at the bottom of the first support base, the lifting driving mechanism is positioned on the support hanging beam, a first installation part is arranged on the support hanging beam, the lifting mechanism is installed on the support hanging beam through the first installation part, the lifting mechanism is connected with the lifting driving mechanism, the lifting driving mechanism drives the lifting mechanism to move up and down, and the static force balance antifriction device can greatly reduce the friction force of the reaction frame in the moving process and improve the accuracy of the horizontal tension standard machine.
Description
Technical Field
The invention relates to the field of force detection, in particular to a counterforce frame system of a horizontal tension standard machine.
Background
When the horizontal tension standard machine is used for detecting and checking a detected object, the counterforce frame moves through the bearing wheel in the detection process, friction force can be generated on the bearing wheel and the contact surface of the bearing wheel in the movement process, even if the bearing wheel is used in a good environment, the friction coefficient of the bearing wheel can still reach 0.01 generally, the dead weight of the counterforce frame is over 5000KG, the friction force generated in the movement process is over 500N generally, and the detection accuracy of the horizontal tension standard machine is greatly reduced due to the existence of the friction force.
Disclosure of Invention
The invention aims to provide a reaction frame system of a horizontal tension standard machine, which can greatly reduce the friction force of the reaction frame in the moving process and improve the accuracy of the horizontal tension standard machine.
The technical scheme is as follows:
The invention discloses a reaction frame system of a horizontal tension standard machine, which comprises a reaction frame and a static force balance antifriction device, wherein the reaction frame comprises a frame body, a second support base and a third support base, the second support base and the third support base are respectively positioned on the frame body, second idler wheels are respectively arranged at the bottoms of the second support base and the third support base, a first support base is positioned between the second support base and the third support base, a second annular buckle and a third annular buckle are respectively arranged on the second support base and the third support base, and lifting mechanisms of the static force balance antifriction device are respectively connected with the second support base and the third support base through the second annular buckle and the third annular buckle;
The first installation part on the static force balance antifriction device is positioned above the front-back symmetrical central axis of the reaction frame, and the second annular buckle and the third annular buckle are respectively and symmetrically positioned at two sides of the central axis;
The reaction frame further comprises a first connecting shaft and a second connecting shaft, the first connecting shaft and the second connecting shaft are arranged opposite to each other, the first connecting shaft and the second connecting shaft are respectively connected with the second supporting base and the third supporting base, and the first supporting base is positioned between the first connecting shaft and the second connecting shaft;
The static balance antifriction device comprises a first support base, a support hanging beam, a lifting mechanism and a lifting driving mechanism, wherein the support hanging beam is fixed on the first support base, a first roller is arranged at the bottom of the first support base, the lifting driving mechanism is located on the support hanging beam, a first installation part is arranged on the support hanging beam, the lifting mechanism is installed on the support hanging beam through the first installation part, the lifting mechanism is connected with the lifting driving mechanism, and the lifting driving mechanism drives the lifting mechanism to move up and down.
The lifting mechanism is connected with the lifting mechanism.
The lifting mechanisms and the lifting driving mechanisms are two, the two lifting driving mechanisms and the two lifting mechanisms are respectively positioned at two opposite ends of the supporting hanging beam, and the two lifting driving mechanisms are respectively connected with the lifting mechanisms positioned at the same end of the supporting hanging beam.
The two lifting driving mechanisms comprise driving motors, reduction boxes, driving wheels, driven wheels and belts, wherein the main shafts of the driving motors are connected with the reduction boxes, the reduction boxes are connected with the driving wheels, the driving wheels are connected with the driven wheels through the belts, and the driven wheels are connected with the lifting mechanisms.
The two lifting mechanisms comprise ball screw rods and connecting portions, the force measuring mechanism is located between the ball screw rods and the connecting portions, and the force measuring mechanism is connected with the ball screw rods and the connecting portions respectively.
The connecting portion comprises a first connecting piece, a first annular buckle, a first sling and a second sling, the top of the first connecting piece is connected with the force measuring mechanism, the bottom of the first connecting piece is connected with the first annular buckle, and the first sling and the second sling are respectively connected with the first annular buckle.
The force measuring mechanism is a force sensor.
It should be noted that:
the foregoing "first, second, third …" is merely for distinguishing between names and not necessarily for describing a particular number or order.
The advantages and principles of the invention are described below:
1. And after the lifting mechanism of the static force balance antifriction device is connected with the counter-force frame, the lifting driving mechanism drives the lifting mechanism to move upwards, the counter-force frame is gradually lifted by the lifting mechanism in the upward moving process until the lifting force of the lifting mechanism is equal to the gravity of the counter-force frame, the lifting driving mechanism is stopped, static force balance is realized, and the rollers on the counter-force frame after static force balance can not generate friction force with a contact surface in the moving process, so that the influence of the friction force is eliminated, and the test accuracy of the horizontal tension standard machine is improved.
2. The force measuring mechanism of the static force balance antifriction device is used for measuring the lifting force of the lifting mechanism on the reaction frame in the process of lifting the reaction frame, accurately controlling the lifting force of the lifting mechanism, and accurately controlling the moving position of the lifting mechanism in the upward movement.
3. The lifting mechanisms and the lifting driving mechanisms are two, and the reaction frame is synchronously lifted through the two lifting mechanisms and the two lifting driving mechanisms, so that the stability of the reaction frame in the lifting process can be ensured.
4. The driving motor of the lifting driving mechanism provides lifting power for the lifting driving mechanism, the speed reduction box can accurately control the displacement of the ball screw through reducing the rotating speed of the driving motor, and the driving motor and the speed reduction box can ensure the sufficiency of the lifting power and the stability of the lifting process.
5. The ball screw of the lifting mechanism has high control precision on displacement, and can further achieve accurate control on lifting displacement.
6. The first installation department of static equilibrium antifriction device is located the axis of reaction frame, and the second annular of reaction frame is detained and the third annular is detained and is located the both sides of axis, and lifting mechanism's first hoist cable and second hoist cable detain with the second annular respectively and detain with the third annular and be connected the back, form the type of falling Y structure between first hoist cable, second hoist cable and first annular knot and the first connecting piece, ensure that the reaction frame keeps stability at the promotion in-process.
Drawings
FIG. 1 is a schematic diagram of a reaction frame system of a horizontal tension standard device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a reaction frame system of a horizontal tension master device according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of a static balance friction reducing device according to an embodiment of the invention;
Reference numerals illustrate:
100. A reaction frame; 200. static balance antifriction device; 110. a frame body; 120. a second support base; 130. a third support base; 140. a first connecting shaft; 150. a second connecting shaft; 160. a second annular button; 170. a third annular button; 180. a second roller; 210. a force measuring mechanism; 220. a first support base; 230. supporting a hanging beam; 231. a protruding portion; 232. a first mounting portion; 221. a fixing plate; 222. a first roller; 241. a driving motor, 242, and a reduction gearbox; 243. a driving wheel; 244. driven wheel; 245. a belt; 251. a ball screw; 252. a screw nut; 253. a first connector; 254. a first annular button.
Detailed Description
The following describes embodiments of the present invention in detail.
As shown in fig. 1 to 3, the embodiment discloses a reaction frame system of a horizontal tension standard machine, which comprises a reaction frame 100 and a static balance antifriction device 200, wherein the static balance antifriction device 200 is connected with the reaction frame 100, and the static balance antifriction device 200 drives the reaction frame 100 to lift upwards, so that the lifting force applied on the reaction frame 100 reaches the gravity of the reaction frame 100, and static balance is realized;
The reaction frame 100 of the present embodiment is symmetrical around the central axis, the reaction frame 100 includes a frame body 110, a second support base 120, a third support base 130, a first connecting shaft 140 and a second connecting shaft 150, wherein the second support base 120 and the third support base 130 are respectively located on the frame body 110, the second support base 120 and the third support base 130 are respectively provided with a second annular buckle 160 and a third annular buckle 170, the second annular buckle 160 and the third annular buckle 170 are respectively and symmetrically located on two sides of the central axis, the bottoms of the second support base 120 and the third support base 130 are respectively provided with a second roller 180, the second support base 120 and the second roller 180 on the third support base 130 of the present embodiment are respectively and evenly distributed on two opposite sides of the second support base 120 and the third support base 130, the frame body 110 is provided with two guide rails, the second rollers 180 on the two sides are respectively located on the two guide rails, the first connecting shaft 140 and the second connecting shaft 150 of the present embodiment are respectively arranged opposite to the second connecting shaft 150, the second connecting shaft 120 and the second support base 120 and the third support base 130 are respectively connected to the two ends of the second support base 120 and the third support base 130;
The static balance antifriction apparatus 200 of this embodiment includes a force measuring mechanism 210, a first support base 220, a support hanging beam 230, a lifting mechanism and a lifting driving mechanism, where the first support base 220 is located between the second support base 120 and the third support base 130, and the first support base 220 is located between the first connecting shaft 140 and the second connecting shaft 150, where the bottom of the support hanging beam 230 is provided with a protruding portion 231 protruding downward, the protruding portion 231 and two ends of the support hanging beam 230 form a triangle structure, the protruding portion 231 is fixed on the first support base 220, a fixing plate 221 is provided at the bottom of the first support base 220, the upper surface of the fixing plate 221 is connected with the first support base 220, the lower surface of the fixing plate 221 is provided with first rollers 222, the four first rollers 222 of this embodiment are also four, the four first rollers 222 are distributed on four corners of the fixing plate 221, and the four first rollers 222 are located on two guide rails, respectively;
The lifting mechanism and the lifting driving mechanism in this embodiment are two, the two lifting driving mechanisms and the two lifting mechanisms are respectively located at two opposite ends of the supporting hanging beam 230, the two lifting driving mechanisms are respectively connected with the lifting mechanisms located at the same end of the two lifting driving mechanisms, the two lifting driving mechanisms comprise a driving motor 241, a reduction gearbox 242, a driving wheel 243, a driven wheel 244 and a belt 245, a main shaft of the driving motor 241 is connected with the reduction gearbox 242, the reduction gearbox 242 is connected with the driving wheel 243, the driving wheel 243 is connected with the driven wheel 244 through the belt 245, the driving motor 241 drives the driving wheel 243 to rotate, the driving wheel 243 drives the driven wheel 244 to rotate through the belt 245, and for accurately controlling lifting displacement, the reduction gearbox 242 in this embodiment can be 1: a reduction gearbox 242 of 8 large reduction ratio; the two lifting mechanisms of the embodiment all comprise a ball screw 251 and a connecting part, the supporting hanging beam 230 is provided with a first mounting part 232, the lifting mechanism is mounted on the supporting hanging beam 230 through the first mounting part 232, the first mounting part 232 of the embodiment is a first mounting hole, the first mounting hole is positioned above the central axis of the counter-force frame 100, a screw nut 252 of the ball screw 251 is fixed on the supporting hanging beam 230, the top of the ball screw 251 passes through the first mounting hole and then is connected with the driven wheel 244, the bottom of the ball screw 251 is connected with the force measuring mechanism 210, the force measuring mechanism 210 is a force sensor, the bottom of the force measuring mechanism 210 is connected with the connecting part, the connecting part comprises a first connecting piece 253, a first annular buckle 254, a first sling wire and a second sling wire, the top of the first connecting piece 253 is connected with the first annular buckle 254, one end of the first sling wire and the second sling wire are respectively connected with the first annular buckle 254, the first sling wire and the second sling wire are equal in length, the first connecting piece 253 of the embodiment is a spherical universal connecting piece, the first connecting piece 253 comprises a first connecting rod and a first rotating shaft and a second connecting rod, the first rotating shaft is arranged on the top of the first rotating shaft, the first rotating shaft is arranged on the first rotating shaft;
the reaction frame system of the horizontal tension standard machine in this embodiment further includes a control system, the control system is a common control system used in the market, the control system is connected with the force measuring mechanism 210 and the lifting driving mechanism, before the reaction frame system of the horizontal tension standard machine is used, the weight of the reaction frame 100 is input to the control system, after the reaction frame system is started, the lifting driving mechanism drives the ball screw 251 of the lifting mechanism to rotate, the ball screw 251 moves upwards in the rotating process to drive the reaction frame 100 to lift upwards, the reaction frame 100 detects the lifting force through the force measuring mechanism 210 in the lifting process, and when the lifting force detected by the force measuring mechanism 210 reaches the gravity of the reaction frame 100, the lifting driving mechanism is suspended.
The advantages and principles of the invention are described below:
1. After the lifting mechanism of the static force balance antifriction device 200 is connected with the counter-force frame 100, the lifting driving mechanism drives the lifting mechanism to move upwards, the lifting mechanism gradually lifts the counter-force frame 100 in the upward moving process until the lifting force of the lifting mechanism is equal to the gravity of the counter-force frame 100, the lifting driving mechanism stops, static force balance is achieved, the rollers on the counter-force frame 100 cannot generate friction force with the contact surface in the moving process after the static force balance, the influence of the friction force is eliminated, and the accuracy of the horizontal tension standard machine test is improved.
2. The force measuring mechanism 210 of the static force balance antifriction device 200 is used for measuring the lifting force of the lifting mechanism on the reaction frame 100 in the process of lifting the reaction frame 100, precisely controlling the lifting force of the lifting mechanism, and precisely controlling the moving position of the lifting mechanism in the upward direction.
3. The lifting mechanisms and the lifting driving mechanisms are two, and the reaction frame 100 is synchronously lifted through the two lifting mechanisms and the two lifting driving mechanisms, so that the stability of the reaction frame 100 in the lifting process can be ensured.
4. The driving motor 241 of the lifting driving mechanism provides lifting power for the lifting driving mechanism, the reduction gearbox 242 can precisely control the displacement of the ball screw 251 by reducing the rotating speed of the driving motor 241, and the driving motor 241 and the reduction gearbox 242 can ensure sufficient lifting power and stable lifting process.
5. The ball screw 251 of the lifting mechanism has high control precision on displacement, and can further achieve accurate control on lifting displacement.
6. The first mounting portion 232 of the static force balance antifriction device 200 is located on the central axis of the reaction frame 100, the second annular buckle 160 and the third annular buckle 170 of the reaction frame 100 are located on two sides of the central axis, and after the first sling and the second sling of the lifting mechanism are respectively connected with the second annular buckle 160 and the third annular buckle 170, an inverted Y-shaped structure is formed among the first sling, the second sling, the first annular buckle 254 and the first connecting piece 253, so that stability of the reaction frame 100 is ensured in the lifting process.
The foregoing is merely exemplary embodiments of the present invention, and is not intended to limit the scope of the present invention; any substitutions and modifications made without departing from the spirit of the invention are within the scope of the invention.
Claims (7)
1. The reaction frame system of the horizontal tension standard machine is characterized by comprising a reaction frame and a static force balance antifriction device, wherein the reaction frame comprises a frame body, a second support base and a third support base, the second support base and the third support base are respectively positioned on the frame body, second idler wheels are respectively arranged at the bottoms of the second support base and the third support base, a first support base is positioned between the second support base and the third support base, a second annular buckle and a third annular buckle are respectively arranged on the second support base and the third support base, and lifting mechanisms of the static force balance antifriction device are respectively connected with the second support base and the third support base through the second annular buckle and the third annular buckle;
The first installation part on the static force balance antifriction device is positioned above the front-back symmetrical central axis of the reaction frame, and the second annular buckle and the third annular buckle are respectively and symmetrically positioned at two sides of the central axis;
The reaction frame further comprises a first connecting shaft and a second connecting shaft, the first connecting shaft and the second connecting shaft are arranged opposite to each other, the first connecting shaft and the second connecting shaft are respectively connected with the second supporting base and the third supporting base, and the first supporting base is positioned between the first connecting shaft and the second connecting shaft;
The static balance antifriction device comprises a first support base, a support hanging beam, a lifting mechanism and a lifting driving mechanism, wherein the support hanging beam is fixed on the first support base, a first roller is arranged at the bottom of the first support base, the lifting driving mechanism is located on the support hanging beam, a first installation part is arranged on the support hanging beam, the lifting mechanism is installed on the support hanging beam through the first installation part, the lifting mechanism is connected with the lifting driving mechanism, and the lifting driving mechanism drives the lifting mechanism to move up and down.
2. The reaction frame system of claim 1 further comprising a load cell coupled to the lifting mechanism.
3. The reaction frame system of claim 2 wherein the number of lifting mechanisms and the number of lifting drive mechanisms are two, the two lifting drive mechanisms and the two lifting mechanisms are respectively located at opposite ends of the support hanging beam, and the two lifting drive mechanisms are respectively connected with the lifting mechanisms located at the same end.
4. A reaction frame system according to claim 3 wherein both of the lifting drive mechanisms comprise a drive motor, a reduction gearbox, a drive wheel, a driven wheel and a belt, the drive motor spindle being connected to the reduction gearbox, the reduction gearbox being connected to the drive wheel, the drive wheel being connected to the driven wheel by the belt, the driven wheel being connected to the lifting mechanism.
5. A reaction frame system according to claim 3 wherein both lifting mechanisms comprise a ball screw and a connecting portion, the force measuring mechanism is located between the ball screw and the connecting portion and is connected to the ball screw and the connecting portion respectively.
6. The reaction frame system of claim 5, wherein the connection comprises a first connection member, a first loop-shaped clasp, a first sling, and a second sling, wherein the top of the first connection member is connected to the force measuring mechanism, the bottom of the first connection member is connected to the first loop-shaped clasp, and the first sling and the second sling are connected to the first loop-shaped clasp, respectively.
7. A reaction frame system according to any one of claims 2 to 6 wherein the load cell is a force sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910059336.8A CN109596410B (en) | 2019-01-22 | 2019-01-22 | Counterforce frame system of horizontal tension standard machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910059336.8A CN109596410B (en) | 2019-01-22 | 2019-01-22 | Counterforce frame system of horizontal tension standard machine |
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| CN109596410A CN109596410A (en) | 2019-04-09 |
| CN109596410B true CN109596410B (en) | 2024-08-06 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209707231U (en) * | 2019-01-22 | 2019-11-29 | 广州计量检测技术研究院 | The reaction frame system of standing balance antifriction apparatus and horizontal pulling force Standard Machine |
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| GB0604914D0 (en) * | 2006-03-10 | 2006-04-19 | Dage Prec Ind Ltd | Calibration device and method |
| CN102323144B (en) * | 2011-05-31 | 2013-01-23 | 河南省煤炭科学研究院有限公司 | Horizontal steel wire rope tensile testing machine |
| CN102589660B (en) * | 2012-02-24 | 2014-10-01 | 中国测试技术研究院力学研究所 | Static balance force standard device and static balance measurement method |
| CN203455183U (en) * | 2013-09-29 | 2014-02-26 | 华南理工大学 | Reaction frame platform with movable bottom backing plate |
| CN106813816B (en) * | 2015-11-28 | 2020-07-10 | 陈剑 | Load balance measurement |
| CN106768619B (en) * | 2016-12-12 | 2023-01-24 | 广州计量检测技术研究院 | Static balance verification platform and equipment |
| CN107024390A (en) * | 2017-03-13 | 2017-08-08 | 国网浙江省电力公司嘉兴供电公司 | A kind of horizontal puller system automatically moves head |
| CN206593955U (en) * | 2017-03-29 | 2017-10-27 | 西南交通大学 | A kind of axially loaded supplementary structure of pseudo-static experimental |
| CN207567832U (en) * | 2017-07-28 | 2018-07-03 | 陆剑 | Counterforce device |
| CN107421882B (en) * | 2017-08-28 | 2020-04-03 | 山东大学 | Friction test device and method for steel fasteners with FRP reinforcement technology |
| CN108120636A (en) * | 2018-03-05 | 2018-06-05 | 天津城建大学 | A kind of vertical loading system of roller type low friction with following function |
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| CN209707231U (en) * | 2019-01-22 | 2019-11-29 | 广州计量检测技术研究院 | The reaction frame system of standing balance antifriction apparatus and horizontal pulling force Standard Machine |
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