CN113720512B - Thrust detection device of electric actuating mechanism - Google Patents
Thrust detection device of electric actuating mechanism Download PDFInfo
- Publication number
- CN113720512B CN113720512B CN202111018193.XA CN202111018193A CN113720512B CN 113720512 B CN113720512 B CN 113720512B CN 202111018193 A CN202111018193 A CN 202111018193A CN 113720512 B CN113720512 B CN 113720512B
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- rotating plate
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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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
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a thrust detection device of an electric actuator, which belongs to the technical field of detection devices and comprises a rotating plate, a rotating pin, a longitudinal displacement assembly, a tension meter and a suspension assembly, wherein the rotating pin is arranged at the bottom of the rotating plate in a sliding manner, the rotating plate can rotate by taking the rotating pin as a center, the longitudinal displacement assembly is connected with the rotating pin, the rotating pin is driven by the longitudinal displacement assembly to move along the length direction of the rotating plate, the electric actuator outputs thrust, the rotating plate generates disturbance, the position of the rotating pin is adjusted by the longitudinal displacement assembly, so that the position of the rotating plate returns to an original position, and the thrust of the electric actuator can be obtained by acquiring the reading of the tension meter and the position of the rotating pin. The device can detect the thrust of the electric actuating mechanism, has higher detection precision, and is more stable to detect by a mechanized detection means.
Description
Technical Field
The invention belongs to the technical field of detection devices, and particularly relates to a thrust detection device of an electric actuating mechanism.
Background
The subway tunnel is an unavoidable part of life, and the electric actuator is an indispensable thing in the subway tunnel. The thrust detection method has important significance for the thrust detection of the electric actuator after leaving the factory, and whether the thrust meets the design requirement directly influences whether the load can be driven to work normally or not. At present, the thrust of the electric actuator is detected by adopting a hydraulic system, and the patent application with the bulletin number of CN102853955A provides a straight-travel electric actuator thrust detection device which detects the thrust of the electric actuator through a lever mechanism, but because the electric actuator is detected by adopting weights, and a certain deflection angle exists in the stress of the lever, the detection precision is not high.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an electric actuator thrust detection device that can detect thrust of an electric actuator with higher detection accuracy and with more stable detection by a mechanized detection means.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The invention discloses a thrust detection device of an electric actuating mechanism, which comprises a rotating plate, a rotating pin, a longitudinal displacement assembly, a tension meter and a suspension assembly, wherein the rotating pin is arranged at the bottom of the rotating plate in a sliding manner, the rotating plate can rotate by taking the rotating pin as a center, the longitudinal displacement assembly is connected with the rotating pin, the rotating pin is driven by the longitudinal displacement assembly to move along the length direction of the rotating plate, one end side surface of the rotating plate is connected to the tension meter, the opposite side of the other end of the rotating plate is connected to the output end of the electric actuating mechanism, the upper side of the rotating plate is connected to a ceiling through the suspension assembly, and scales are arranged on the rotating plate; the electric actuator outputs thrust, the rotating plate generates disturbance, the position of the rotating pin is adjusted and moved through the longitudinal displacement assembly, the position of the rotating plate returns to the original position, and the thrust of the electric actuator can be obtained through reading of the tension meter and the position of the rotating pin.
Further, the longitudinal displacement assembly comprises a transverse plate and two groups of translation track devices for driving the transverse plate to move longitudinally, and the transverse plate is fixedly connected with the rotating pin.
Further, an opening groove matched with the rotating pin is formed in the transverse plate, and a nut used for fixing the rotating pin is arranged at the bottom of the transverse plate.
Further, the translation track device comprises a sliding seat, a guide rail matched with the sliding seat, a belt fixedly connected with the sliding seat, a driving wheel matched with the belt, a driven wheel and a motor for driving the driving wheel to rotate, wherein the driving wheel and the driven wheel are both rotationally connected with the guide rail, and the upper surface of the sliding seat is fixedly connected with the transverse plate.
Further, a channel is formed in the guide rail, one end of the belt is fixedly connected to one side of the sliding seat, and the other end of the belt bypasses the channel and is connected to the other side of the sliding seat.
Further, the both sides of diaphragm are provided with pressure detection device, pressure detection device follows the even interval arrangement of length direction of diaphragm, pressure detection device can remove along with the diaphragm, pressure detection device is used for detecting the bottom everywhere pressure of diaphragm.
Further, pressure detection device includes extension board, interior pole, outer pole, spring, pressure sensor and base, the extension board links to each other with the diaphragm is fixed, extension board fixed connection is to interior pole, interior pole slides and sets up in outer pole, the spring housing is established in the outside of interior pole, the both ends of spring respectively with pressure sensor and extension board butt, outer pole fixed connection is to the base.
Further, one end of the tension meter is fixedly connected to the rotating plate, and the other end of the tension meter is connected to the supporting seat.
Further, both ends of the rotating plate are connected with suspension components, the suspension components comprise a lifting rope fixed with the rotating plate, pulleys fixed at the upper end of the lifting rope and a slideway matched with the pulleys, and the slideway can be fixed on a ceiling.
Further, a pointer is fixed on the rotating pin, and the pointer is bent and extends from the lower side of the rotating plate to the upper side of the rotating plate.
The invention has the beneficial effects that:
The upper side of the rotating plate is connected to a ceiling through the suspension component, the force application direction of the electric actuating mechanism and the direction of the tension meter are perpendicular to the rotating plate, the electric actuating mechanism outputs thrust, the rotating plate generates disturbance, the position of the movable rotating pin is adjusted through the longitudinal displacement component, the position of the rotating plate returns to the original position, the influence caused by deflection angle is avoided, scales are arranged on the rotating plate, and the distance between the rotating pin and two force application ends can be calculated through the scales; the thrust of the electric actuator can be obtained by acquiring the reading of the tension meter and the position of the rotating pin. The device is convenient to control, can well detect the thrust, and has stable detection result.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a front view of the device of the present invention;
FIG. 3 is a top view of the device of the present invention;
FIG. 4 is a side view of the device of the present invention;
FIG. 5 is an enlarged view of FIG. 2 at A;
FIG. 6 is a schematic structural view of a translation rail apparatus;
FIG. 7 is a schematic diagram of a pressure detection device;
FIG. 8 is a force-bearing schematic diagram of the device of the present invention.
The figures are marked as follows: the device comprises a rotating plate 1, a rotating pin 2, a tension meter 3, a suspension assembly 4, a lifting rope 41, a pulley 42, a slideway 43, an electric actuator 5, a transverse plate 6, a translation track device 7, a sliding seat 71, a guide rail 72, a belt 73, a driving wheel 74, a driven wheel 75, a motor 76, an open slot 8, a pressure detection device 9, a support plate 91, an inner rod 92, an outer rod 93, a spring 94, a pressure sensor 95, a base 96, a support seat 10, a pointer 11 and a bottom plate 12.
Detailed Description
As shown in fig. 1 to 4, the thrust detection device of the electric actuator comprises a rotating plate 1, a rotating pin 2, a longitudinal displacement component, a tension meter 3 and a suspension component 4, wherein the rotating plate 1 is a rectangular thin plate and is matched with the rotating pin 2 through a sliding groove, the rotating pin 2 is arranged at the bottom of the rotating plate 1 in a sliding manner and can slide along the length direction of the rotating plate 1, the rotating plate 1 can rotate by taking the rotating pin 2 as a center, the longitudinal displacement component is connected with the rotating pin 2, the rotating pin 2 can move along the length direction of the rotating plate 1 through the driving of the longitudinal displacement component, one end side surface of the rotating plate 1 is connected with the tension meter 3, the force application direction of the electric actuator 5 and the direction of the tension meter 3 are perpendicular to the rotating plate 1, the opposite side of the other end of the rotating plate 1 is connected with the output end of the electric actuator 5, the upper side of the rotating plate 1 is connected to a ceiling through the suspension component 4, and scales are arranged on the rotating plate 1; the electric actuator 5 outputs thrust, the rotating plate 1 generates disturbance, the position of the rotating pin 2 is adjusted and moved through the longitudinal displacement assembly, the position of the rotating plate 1 returns to the original position, namely, the position of the rotating plate 1 perpendicular to the force application direction, and the thrust of the electric actuator 5 can be obtained through obtaining the reading of the tension meter 3 and the position of the rotating pin 2.
The upper side of the rotating plate 1 is connected to a ceiling through a suspension assembly 4, the force application direction of an electric actuator 5 and the direction of a tension meter 3 are perpendicular to the rotating plate 1, the electric actuator 5 outputs thrust, the rotating plate 1 generates disturbance, the position of a movable rotating pin 2 is adjusted through a longitudinal displacement assembly, the position of the rotating plate 1 returns to the original position, the influence caused by deflection angle is avoided, scales are arranged on the rotating plate 1, and the distance between the rotating pin 2 and two force application ends can be calculated through the scales; the thrust of the electric actuator 5 can be obtained by taking the reading of the tension meter 3 and the position of the rotation pin 2. As shown in fig. 8: the reading of the tension meter 3 is F2, the force arm is D2, the force arm of the electric actuator 5 is D1, and then F1 is equal to F2 xD 2/D1.
In this embodiment, the longitudinal displacement assembly includes a transverse plate 6, two sets of translation rail devices 7 that drive the transverse plate 6 to move along the longitudinal direction, the two sets of translation rail devices 7 are located at two ends of the transverse plate 6, synchronously drive the transverse plate 6 to move along the longitudinal direction, the transverse plate 6 is fixedly connected with the rotation pin 2, thereby indirectly driving the rotation pin 2 to move, and realizing the purpose of changing the length of the arm of force.
In this embodiment, offer on the diaphragm 6 with turning pin 2 complex open slot 8, open slot 8 runs through along horizontal arrangement the diaphragm 6 from top to bottom, its width and turning pin 2 assorted, the bottom of diaphragm 6 is provided with and is used for fixing the nut of turning pin 2, after adjusting the position of turning pin 2, through the nut fastening can, through the tensiometer 3 or the electric actuator 5 of different specifications, can adjust the position of turning pin 2 and make it adapt to it, practice thrift detection cost.
In this embodiment, as shown in fig. 6, the translation track device 7 includes a sliding seat 71, a guide rail 72 matched with the sliding seat 71, a belt 73 fixedly connected with the sliding seat 71, a driving wheel 74 and a driven wheel 75 matched with the belt 73, and a motor 76 for driving the driving wheel 74 to rotate, wherein the driving wheel 74 and the driven wheel 75 are both rotationally connected with the guide rail 72 and are respectively arranged at two ends of the guide rail 72, the belt 73 is driven by the motor 76 to rotate around the driving wheel 74 and the driven wheel 75, and the upper surface of the sliding seat 71 is fixedly connected with the transverse plate 6, so as to drive the transverse plate 6 to move together. The guide rail 72 has a channel formed therein for accommodating the belt 73, so that the structure is more compact, one end of the belt 73 is fixedly connected to one side of the slider 71, and the other end is connected to the other side of the slider 71 after bypassing the channel.
In this embodiment, pressure detection devices 9 are disposed on two sides of the transverse plate 6, the pressure detection devices 9 are uniformly spaced along the length direction of the transverse plate 6, the pressure detection devices 9 can move along with the transverse plate 6, and the pressure detection devices 9 are used for detecting the pressure at the bottom of the transverse plate 6.
Specifically, as shown in fig. 7, the pressure detecting device 9 includes a support plate 91, an inner rod 92, an outer rod 93, a spring 94, a pressure sensor 95 and a base 96, the support plate 91 is fixedly connected with the transverse plate 6, the support plate 91 is fixedly connected to the inner rod 92, the inner rod 92 is slidably disposed in the outer rod 93, the spring 94 is sleeved on the outer side of the inner rod 92, two ends of the spring 94 are respectively abutted to the pressure sensor 95 and the support plate 91, and the outer rod 93 is fixedly connected to the base 96.
In this embodiment, one end of the tension meter 3 is fixedly connected to the rotating plate 1, the other end of the tension meter 3 is connected to the supporting seat 10, the bottom of the supporting seat 10 is connected to the bottom plate 12, and a detachable connection manner is adopted between the supporting seat 10 and the bottom plate 12 so as to move the position of the supporting seat 10.
In this embodiment, the two ends of the rotating plate 1 are connected with suspension assemblies 4, the suspension assemblies 4 include a hanging rope 41 fixed with the rotating plate 1, a pulley 42 fixed at the upper end of the hanging rope 41, and a slideway 43 matched with the pulley 42, and the slideway 43 can be fixed on a ceiling. As shown in fig. 5, the rotating pin 2 is fixed with a pointer 11, the pointer 11 is bent from the lower side of the rotating plate 1 to the upper side of the rotating plate 1, and the pointer 11 corresponds to the rotating plate, so that reading can be conveniently performed.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. Electric actuator thrust detection device, its characterized in that: the rotary plate is arranged at the bottom of the rotary plate in a sliding manner, the rotary plate can rotate by taking the rotary pin as a center, the longitudinal displacement assembly is connected with the rotary pin, the rotary pin can move along the length direction of the rotary plate through the driving of the longitudinal displacement assembly, one end side surface of the rotary plate is connected to the tension meter, the opposite side of the other end of the rotary plate is connected to the output end of the electric actuating mechanism, the upper side of the rotary plate is connected to a ceiling through the suspension assembly, and scales are arranged on the rotary plate; the electric actuating mechanism outputs thrust, the rotating plate generates disturbance, the position of the movable rotating pin is adjusted through the longitudinal displacement assembly, the position of the rotating plate returns to the original position, and the thrust of the electric actuating mechanism can be obtained through obtaining the reading of the tension meter and the position of the rotating pin; the longitudinal displacement assembly comprises a transverse plate and two groups of translation track devices for driving the transverse plate to move longitudinally, and the transverse plate is fixedly connected with the rotating pin; the translation track device comprises a sliding seat, a guide rail matched with the sliding seat, a belt fixedly connected with the sliding seat, a driving wheel and a driven wheel matched with the belt, and a motor for driving the driving wheel to rotate, wherein the driving wheel and the driven wheel are both rotationally connected with the guide rail, and the upper surface of the sliding seat is fixedly connected with the transverse plate; one end of the tension meter is fixedly connected to the rotating plate, and the other end of the tension meter is connected to the supporting seat.
2. The electric actuator thrust detection apparatus according to claim 1, wherein: the transverse plate is provided with an opening groove matched with the rotating pin, and the bottom of the transverse plate is provided with a nut for fixing the rotating pin.
3. The electric actuator thrust detection apparatus according to claim 1, wherein: the guide rail is internally provided with a channel, one end of the belt is fixedly connected to one side of the sliding seat, and the other end of the belt bypasses the channel and is connected to the other side of the sliding seat.
4. The electric actuator thrust detection apparatus according to claim 1, wherein: the pressure detection devices are arranged on two sides of the transverse plate and are uniformly arranged at intervals along the length direction of the transverse plate, and can move along with the transverse plate and are used for detecting pressure at all positions of the bottom of the transverse plate.
5. The electric actuator thrust detection apparatus of claim 4, wherein: the pressure detection device comprises a support plate, an inner rod, an outer rod, springs, a pressure sensor and a base, wherein the support plate is fixedly connected with the transverse plate, the support plate is fixedly connected to the inner rod, the inner rod is arranged in the outer rod in a sliding mode, the springs are sleeved on the outer side of the inner rod, two ends of the springs are respectively abutted to the pressure sensor and the support plate, and the outer rod is fixedly connected to the base.
6. The electric actuator thrust detection apparatus according to claim 1, wherein: the two ends of the rotating plate are connected with suspension components, each suspension component comprises a lifting rope fixed with the rotating plate, a pulley fixed at the upper end of the lifting rope and a slideway matched with the pulley, and the slideway can be fixed on a ceiling.
7. The electric actuator thrust detection apparatus according to claim 1, wherein: and a pointer is fixed on the rotating pin, and is bent and extended from the lower side of the rotating plate to the upper side of the rotating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018193.XA CN113720512B (en) | 2021-09-01 | 2021-09-01 | Thrust detection device of electric actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018193.XA CN113720512B (en) | 2021-09-01 | 2021-09-01 | Thrust detection device of electric actuating mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN113720512A CN113720512A (en) | 2021-11-30 |
| CN113720512B true CN113720512B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111018193.XA Active CN113720512B (en) | 2021-09-01 | 2021-09-01 | Thrust detection device of electric actuating mechanism |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159895A (en) * | 1994-12-09 | 1996-06-21 | Tsubakimoto Chain Co | Thrust detecting apparatus for linear actuator |
| CN102853955A (en) * | 2012-09-29 | 2013-01-02 | 济南大学 | Straight travel electric actuating mechanism thrust detection device |
| CN202836848U (en) * | 2012-09-29 | 2013-03-27 | 济南大学 | Thrust detection device for liner electric actuating mechanism |
| DE102019109347A1 (en) * | 2018-04-19 | 2019-10-24 | Toyota Jidosha Kabushiki Kaisha | Wind force detection unit for rotation element |
| CN110646135A (en) * | 2019-11-13 | 2020-01-03 | 吉林大学 | Horizontal push-pull dynamometer detector |
| CN211696768U (en) * | 2020-05-13 | 2020-10-16 | 天津德昌工控科技有限公司 | Thrust detection device of straight-stroke electric actuating mechanism |
| CN212903677U (en) * | 2020-09-22 | 2021-04-06 | 江苏晨翔机械有限公司 | Thrust testing device for electric push rod production and processing |
| CN213120928U (en) * | 2020-08-20 | 2021-05-04 | 天津天地众恒仪表技术有限公司 | Straight-stroke electric execution thrust detection device |
-
2021
- 2021-09-01 CN CN202111018193.XA patent/CN113720512B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159895A (en) * | 1994-12-09 | 1996-06-21 | Tsubakimoto Chain Co | Thrust detecting apparatus for linear actuator |
| CN102853955A (en) * | 2012-09-29 | 2013-01-02 | 济南大学 | Straight travel electric actuating mechanism thrust detection device |
| CN202836848U (en) * | 2012-09-29 | 2013-03-27 | 济南大学 | Thrust detection device for liner electric actuating mechanism |
| DE102019109347A1 (en) * | 2018-04-19 | 2019-10-24 | Toyota Jidosha Kabushiki Kaisha | Wind force detection unit for rotation element |
| CN110646135A (en) * | 2019-11-13 | 2020-01-03 | 吉林大学 | Horizontal push-pull dynamometer detector |
| CN211696768U (en) * | 2020-05-13 | 2020-10-16 | 天津德昌工控科技有限公司 | Thrust detection device of straight-stroke electric actuating mechanism |
| CN213120928U (en) * | 2020-08-20 | 2021-05-04 | 天津天地众恒仪表技术有限公司 | Straight-stroke electric execution thrust detection device |
| CN212903677U (en) * | 2020-09-22 | 2021-04-06 | 江苏晨翔机械有限公司 | Thrust testing device for electric push rod production and processing |
Non-Patent Citations (1)
| Title |
|---|
| 电动执行机构推力输出部件壳体设计优化;周祥态等;《电力勘测设计》;20180630(第6期);第24-27页 * |
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| CN113720512A (en) | 2021-11-30 |
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