CN114111907A - Multi-physical-quantity comprehensive performance testing device and testing method thereof - Google Patents
Multi-physical-quantity comprehensive performance testing device and testing method thereof Download PDFInfo
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- CN114111907A CN114111907A CN202111437061.0A CN202111437061A CN114111907A CN 114111907 A CN114111907 A CN 114111907A CN 202111437061 A CN202111437061 A CN 202111437061A CN 114111907 A CN114111907 A CN 114111907A
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The embodiment of the invention provides a multi-physical-quantity comprehensive performance testing device which is characterized by comprising the following components: the device comprises a test platform frame (1), a measuring component, a tested component, a force transmission component and a counterweight combination (6), wherein the upper end of the measuring component is connected with the test platform frame, and the lower end of the measuring component is connected with the tested component; the measurement assembly is used for acquiring force and displacement data; the test platform frame (1) is fixed on a flat ground (8); the counterweight combination is loaded on the force transmission assembly and is used for loading different constant loads of the tested assembly; the force transmission assembly is connected with the upper end of the measuring assembly or the lower end of the measured assembly and used for changing the force direction and realizing the tension or pressure loading of the measured assembly.
Description
Technical Field
The invention belongs to the technical field of servo system testing, and relates to a multi-physical-quantity comprehensive performance testing device.
Background
With the rapid progress of modern society, military technology has been developed in all countries and the fighting capability of modern weapons has been improved continuously, and the corresponding requirements of the servo system meet higher requirements. The servo system has the function of providing driving control for the launching device, inclined launching is widely adopted in missile launching because the missile can be launched directly opposite to a target and can simply meet the requirement of a near boundary, but the inclined launching also has the defect of self, and the servo system is added to adjust the rotation time, so that the system reaction time is not favorably shortened. The modern weapons have higher requirements on quick response and accurate tracking of a launching system, so that a servo system is developed to small volume, quick action and high precision, a designer of the system must try to improve the response speed and the servo precision of the servo system, the development period is shorter and shorter, and the product debugging time is very limited.
Disclosure of Invention
The invention aims to provide a multi-physical-quantity comprehensive performance testing device, which is characterized by comprising the following components: the device comprises a test platform frame 1, a measuring component, a tested component, a force transmission component and a counterweight combination 6, wherein the upper end of the measuring component is connected with the test platform frame, and the lower end of the measuring component is connected with the tested component; the measurement assembly is used for acquiring force and displacement data; the test platform frame 1 is fixed on a flat ground 8; the counterweight combination is loaded on the force transmission assembly and is used for loading different constant loads of the tested assembly; the force transmission assembly is connected with the upper end of the measuring assembly or the lower end of the measured assembly and used for changing the force direction and realizing the tension or pressure loading of the measured assembly.
Preferably, the measured component is a measured cylinder 3, and the measured cylinder 3 is vertically placed.
Preferably, the measuring assembly comprises a force sensor 2, a slide rail 11, a slide rail beam 12 and a grating scale 4; the upper end of the force sensor 2 is fixedly connected with the test platform frame, and the lower end of the force sensor is connected with the upper lug of the tested electric cylinder 3 through switching; the slide rail 11 is arranged on the test platform frame 1 and is parallel to the central connecting line of the upper and lower support lugs of the tested electric cylinder 3; the sliding rail beam 12 slides up and down along the sliding rail 11, and the sliding rail beam 12 is respectively connected with the lower lug of the tested electric cylinder 3 and the steel wire rope 52 of the force transmission assembly; the grating ruler 4 is installed on the side direction of the tested electric cylinder 3, the casing of the grating ruler is installed on the testing platform frame 1, the reading head of the grating ruler is installed on the upper sliding rail cross beam 12, and the central connecting lines of the upper and lower support lugs of the tested electric cylinder 3 are parallel to the grating ruler 4.
Preferably, 4, the device for testing the comprehensive performance of multiple physical quantities according to claim 3, wherein the force transmission assembly comprises a pulley block 5 and a steel wire rope 52; the pulley blocks 5 are divided into two groups, the central connecting line of the upper and lower support lugs of the tested electric cylinder 3 is used as a dividing line, the pulley blocks 5 are respectively arranged on two sides of the testing platform frame 1, and each pulley block 5 is composed of at least two pulleys 51.
Preferably, the counterweight assembly 6 comprises a counterweight block 61, a counterweight pin 62 and a counterweight column 63; the counterweight combination 6 is composed of at least one counterweight block 61, the counterweight combination 6 is connected with a counterweight column 63 through a counterweight pin 62, and the two guide columns 13 are respectively positioned at two sides of the counterweight combination 6; the upper end of the counterweight column 63 is connected with the steel wire rope 52.
Preferably, the test device further comprises a control system 7, wherein the control system 7 is a product self-bring of the tested cylinder 3 and controls the tested cylinder 3 to move in the test process.
Preferably, the multiple physical quantity testing device takes a form of a weight loading, and a weight of the weight loading is adjusted by a weight pin.
The invention also provides a testing method for the multi-physical-quantity comprehensive performance testing device, which is characterized in that a testing platform frame 1 provided with a force sensor 2, a grating ruler 4, a pulley block 5, a counterweight combination 6 and a control system 7 is fixed on a flat ground 8, the length of a steel wire rope 52 is adjusted, after upper and lower lugs of a tested electric cylinder 3 are respectively connected with the force sensor 2 and a slide rail cross beam 12, the steel wire rope 52 is in a length close to tightness, then corresponding hole positions on a counterweight block 61 and a counterweight column 63 of a counterweight pin 62 are adjusted according to the counterweight weight required by testing, then the tested electric cylinder 3 is electrified, the telescopic motion of the tested electric cylinder 3 is realized through the control system 7, and meanwhile, testing data are collected.
Preferably, in the test process, the bearing capacity of the tested electric cylinder 3 enables the slide rail beam 12 to move downwards along the slide rail 11, the counterweight block 61 locked by the counterweight pin 62 is lifted at the same time, the actual bearing capacity of the tested electric cylinder 3 is read through the force sensor 2, the real-time stretching length of the tested electric cylinder 3 is read through the grating ruler 4, and the bearing capacity, the maximum speed, the maximum acceleration, the backlash, the positioning accuracy and the electric stroke test data of the tested electric cylinder 3 are calculated by combining the parameters of the control system 7.
Based on the technical scheme, the invention has the beneficial effects that: according to the invention, a load is applied to the tested electric cylinder by adopting a mode of the counterweight, the tested electric cylinder is connected with the slide rail through one end, and the force sensor is connected at the other end, so that the measurement of the bearing force in the process of the expansion and contraction of the electric cylinder is realized, then the expansion and contraction stroke of the electric cylinder is measured through the grating ruler, and the data is displayed by combining a control system of the tested electric cylinder, so that the test data of the maximum speed, the maximum acceleration, the backlash, the positioning precision, the electric stroke and the like of the electric cylinder are obtained, and the detection of the product performance of the electric cylinder is completed.
Drawings
FIG. 1 is a structural diagram of a multi-physical-quantity comprehensive performance testing apparatus according to an embodiment of the present invention;
reference numerals:
(1) a test platform frame; (11) a slide rail; (12) a slide rail cross member; (13) a guide post; (2) a force sensor; (3) the tested electric cylinder; (4) a grating scale; (5) a pulley block; (51) a pulley; (52) a wire rope; (6) combining the balance weights; (61) a balancing weight; (62) a counterweight pin; (63) a counterweight column; (8) and (5) leveling the ground.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention aims to provide a multi-physical-quantity comprehensive performance testing device, which comprises: the device comprises a test platform frame 1, a measuring component, a tested component, a force transmission component and a counterweight combination 6, wherein the upper end of the measuring component is connected with the test platform frame, and the lower end of the measuring component is connected with the tested component; the measurement assembly is used for acquiring force and displacement data; the test platform frame 1 is fixed on a flat ground 8; the counterweight combination is loaded on the force transmission assembly and is used for loading different constant loads of the tested assembly; the force transmission assembly is connected with the upper end of the measuring assembly or the lower end of the measured assembly and used for changing the force direction and realizing the tension or pressure loading of the measured assembly.
According to one embodiment of the invention, the measured component is a measured cylinder 3, and the measured cylinder 3 is vertically placed.
According to one embodiment of the invention, the measuring assembly comprises a force sensor 2, a slide rail 11, a slide rail beam 12 and a grating scale 4; the upper end of the force sensor 2 is fixedly connected with the test platform frame, and the lower end of the force sensor is connected with the upper lug of the tested electric cylinder 3 through switching; the slide rail 11 is arranged on the test platform frame 1 and is parallel to the central connecting line of the upper and lower support lugs of the tested electric cylinder 3; the sliding rail beam 12 slides up and down along the sliding rail 11, and the sliding rail beam 12 is respectively connected with the lower lug of the tested electric cylinder 3 and the steel wire rope 52 of the force transmission assembly; the grating ruler 4 is installed on the side direction of the tested electric cylinder 3, the casing of the grating ruler is installed on the testing platform frame 1, the reading head of the grating ruler is installed on the upper sliding rail cross beam 12, and the central connecting lines of the upper and lower support lugs of the tested electric cylinder 3 are parallel to the grating ruler 4.
According to an embodiment of the invention, 4, the device for testing the comprehensive performance of multiple physical quantities according to claim 3, wherein the force transmission assembly comprises a pulley block 5 and a steel wire rope 52; the pulley blocks 5 are divided into two groups, the central connecting line of the upper and lower support lugs of the tested electric cylinder 3 is used as a dividing line, the pulley blocks 5 are respectively arranged on two sides of the testing platform frame 1, and each pulley block 5 is composed of at least two pulleys 51.
According to one embodiment of the present invention, the counterweight assembly 6 includes a counterweight block 61, a counterweight pin 62, and a counterweight column 63; the counterweight combination 6 is composed of at least one counterweight block 61, the counterweight combination 6 is connected with a counterweight column 63 through a counterweight pin 62, and the two guide columns 13 are respectively positioned at two sides of the counterweight combination 6; the upper end of the counterweight column 63 is connected with the steel wire rope 52.
According to an embodiment of the invention, the test device further comprises a control system 7, wherein the control system 7 is a product self-bring of the tested cylinder 3 and controls the motion of the tested cylinder 3 in the test process.
According to one embodiment of the present invention, the multiple physical quantity testing apparatus adopts a weight loading form in which a weight of the weight is adjusted by a weight pin.
The invention also provides a testing method for the multi-physical-quantity comprehensive performance testing device, which is characterized in that a testing platform frame 1 provided with a force sensor 2, a grating ruler 4, a pulley block 5, a counterweight combination 6 and a control system 7 is fixed on a flat ground 8, the length of a steel wire rope 52 is adjusted, after upper and lower lugs of a tested electric cylinder 3 are respectively connected with the force sensor 2 and a slide rail cross beam 12, the steel wire rope 52 is in a length close to tightness, then corresponding hole positions on a counterweight block 61 and a counterweight column 63 of a counterweight pin 62 are adjusted according to the counterweight weight required by testing, then the tested electric cylinder 3 is electrified, the telescopic motion of the tested electric cylinder 3 is realized through the control system 7, and meanwhile, testing data are collected.
According to an embodiment of the invention, in the test process, the bearing capacity of the tested electric cylinder 3 enables the slide rail beam 12 to move downwards along the slide rail 11, the counterweight block 61 locked by the counterweight pin 62 is lifted at the same time, the actual bearing capacity of the tested electric cylinder 3 is read through the force sensor 2, the real-time stretching length of the tested electric cylinder 3 is read through the grating ruler 4, and then the bearing capacity, the maximum speed, the maximum acceleration, the backlash, the positioning accuracy and the electric stroke test data of the tested electric cylinder 3 are calculated by combining with the parameters of the control system 7.
The invention relates to a device for testing comprehensive performance of various physical quantities, such as bearing capacity, maximum speed, maximum acceleration, backlash, positioning precision, electric stroke and the like, and is particularly suitable for transmission parts such as electric cylinders, ball screws, trapezoidal screws and the like. Taking an electric cylinder as a typical product as an example, the technical scheme of the invention is as follows: the testing device adopts a counter weight loading form, a testing device frame is fixedly connected with the upper end of a force sensor, an upper support lug of a tested electric cylinder is connected with the lower end of the force sensor, a lower support lug of the tested electric cylinder is connected with a slide rail, a cross beam connected with the slide rail is connected with one end of a steel wire rope, the other end of the steel wire rope is connected with a counter weight assembly through a pulley block, a grating ruler is laterally installed on the tested electric cylinder, and the tested electric cylinder calculates the running speed, acceleration and the like of the electric cylinder through a control system in the testing device. The invention mainly solves the technical problem that the multi-physical mass production product performance test project cannot be carried out on the tested products with different dimensions at present, and has the characteristics of lower development cost and strong environment adaptability.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A multi-physical-quantity comprehensive performance testing device is characterized by comprising: a test platform frame (1), a measuring component, a component to be tested, a force transmission component and a counterweight combination (6), wherein,
the upper end of the measuring component is connected with the testing platform frame, and the lower end of the measuring component is connected with the tested component; the measurement assembly is used for acquiring force and displacement data; the test platform frame (1) is fixed on a flat ground (8);
the counterweight combination is loaded on the force transmission assembly and is used for loading different constant loads of the tested assembly;
the force transmission assembly is connected with the upper end of the measuring assembly or the lower end of the measured assembly and used for changing the force direction and realizing the tension or pressure loading of the measured assembly.
2. The device for testing the comprehensive performance of multiple physical quantities according to claim 1, wherein the tested component is a tested cylinder (3), and the tested cylinder (3) is vertically placed.
3. The device for testing the comprehensive performance of multiple physical quantities, as recited in claim 1, wherein the measuring component comprises a force sensor (2), a slide rail (11), a slide rail beam (12) and a grating ruler (4); the upper end of the force sensor (2) is fixedly connected with the testing platform frame, and the lower end of the force sensor is connected with the upper lug of the tested electric cylinder (3) through switching; the sliding rail (11) is arranged on the testing platform frame (1) and is parallel to a central connecting line of the upper and lower support lugs of the tested electric cylinder (3); the sliding rail cross beam (12) slides up and down along the sliding rail (11), and the sliding rail cross beam (12) is respectively connected with a lower lug of the tested electric cylinder (3) and a steel wire rope (52) of the force transmission assembly; the grating ruler (4) is installed on the lateral side of the tested electric cylinder (3), the grating ruler shell is installed on the testing platform frame (1), the grating ruler reading head is installed on the upper sliding rail cross beam (12), and the grating ruler (4) is parallel to the central connecting line of the upper and lower support lugs of the tested electric cylinder (3).
4. A multi-physical-quantity comprehensive performance testing device as claimed in claim 3, wherein the force transmission component comprises a pulley block (5) and a steel wire rope (52); the pulley blocks (5) are divided into two groups, the central connecting line of the upper support lug and the lower support lug of the tested electric cylinder (3) is used as a dividing line, the pulley blocks (5) are respectively installed on two sides of the testing platform frame (1), and each pulley block (5) is composed of at least two pulleys (51).
5. The multi-physical-quantity comprehensive performance testing device as claimed in claim 4, wherein the counterweight combination (6) comprises a counterweight block (61), a counterweight pin (62) and a counterweight column (63); the counterweight combination (6) consists of at least one counterweight block (61), the counterweight combination (6) is connected with counterweight columns (63) through counterweight pins (62), and the two guide columns (13) are respectively positioned on two sides of the counterweight combination (6); the upper end of the counterweight column (63) is connected with a steel wire rope (52).
6. The device for testing the comprehensive performance of multiple physical quantities according to claim 5, further comprising a control system (7), wherein the control system (7) is a product of the tested electric cylinder (3), and controls the tested electric cylinder (3) to move in the testing process.
7. The multi-physical-quantity comprehensive performance testing device as claimed in claim 6, wherein the multi-physical-quantity testing device adopts a counterweight loading form, and the counterweight weight of the multi-physical-quantity testing device is adjusted by a counterweight pin.
8. A test method for the multiple physical quantity comprehensive performance test apparatus as claimed in any one of claims 1 to 7, it is characterized in that a testing platform frame (1) provided with a force sensor (2), a grating ruler (4), a pulley block (5), a counterweight combination (6) and a control system (7) is fixed on a flat ground (8), the length of a steel wire rope (52) is adjusted, after upper and lower support lugs of a tested electric cylinder (3) are respectively connected with the force sensor (2) and a slide rail beam (12), the steel wire rope (52) is at a length close to the tightening length, then the corresponding hole positions on the counter weight block (61) and the counter weight column (63) where the counter weight pin (62) is located are adjusted according to the counter weight required by the test, then the tested electric cylinder (3) is electrified, the telescopic motion of the tested electric cylinder (3) is realized through the control system (7), and meanwhile, test data are collected.
9. The method for testing comprehensive properties of multiple physical quantities according to claim 8,
in the test process, the bearing capacity of the tested electric cylinder (3) enables the sliding rail beam (12) to move downwards along the sliding rail (11), the balancing weight (61) locked by the balancing weight pin (62) is lifted at the same time, the actual bearing capacity of the tested electric cylinder (3) is read through the force sensor (2), the real-time stretching length of the tested electric cylinder (3) is read through the grating ruler (4), and the bearing capacity, the maximum speed, the maximum acceleration, the backlash, the positioning accuracy and the electric stroke test data of the tested electric cylinder (3) are calculated by combining the parameters of the control system (7).
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| CN202111437061.0A CN114111907A (en) | 2021-11-29 | 2021-11-29 | Multi-physical-quantity comprehensive performance testing device and testing method thereof |
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| CN202111437061.0A CN114111907A (en) | 2021-11-29 | 2021-11-29 | Multi-physical-quantity comprehensive performance testing device and testing method thereof |
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Citations (5)
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| CN1793818A (en) * | 2005-09-22 | 2006-06-28 | 上海宝钢设备检修有限公司 | Method and device for real time testing electric cylinder dynamic data |
| CN102928293A (en) * | 2012-10-26 | 2013-02-13 | 重庆交通大学 | Dynamic and static testing system and method for multifunctional wharf structure |
| CN103424655A (en) * | 2013-08-07 | 2013-12-04 | 中国航天科技集团公司第九研究院第七七一研究所 | Electric cylinder tension load and life test device |
| CN205656019U (en) * | 2016-03-08 | 2016-10-19 | 内蒙古科技大学 | Experimental vertical loading device of structural framework |
| CN108254204A (en) * | 2016-12-28 | 2018-07-06 | 中国科学院长春光学精密机械与物理研究所 | A kind of electric cylinder real-timely testing performance system of dynamically changeable load |
-
2021
- 2021-11-29 CN CN202111437061.0A patent/CN114111907A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793818A (en) * | 2005-09-22 | 2006-06-28 | 上海宝钢设备检修有限公司 | Method and device for real time testing electric cylinder dynamic data |
| CN102928293A (en) * | 2012-10-26 | 2013-02-13 | 重庆交通大学 | Dynamic and static testing system and method for multifunctional wharf structure |
| CN103424655A (en) * | 2013-08-07 | 2013-12-04 | 中国航天科技集团公司第九研究院第七七一研究所 | Electric cylinder tension load and life test device |
| CN205656019U (en) * | 2016-03-08 | 2016-10-19 | 内蒙古科技大学 | Experimental vertical loading device of structural framework |
| CN108254204A (en) * | 2016-12-28 | 2018-07-06 | 中国科学院长春光学精密机械与物理研究所 | A kind of electric cylinder real-timely testing performance system of dynamically changeable load |
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