CN204188504U - A kind of high precision pommel horse ring friction coefficient tester - Google Patents
A kind of high precision pommel horse ring friction coefficient tester Download PDFInfo
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- CN204188504U CN204188504U CN201420586828.5U CN201420586828U CN204188504U CN 204188504 U CN204188504 U CN 204188504U CN 201420586828 U CN201420586828 U CN 201420586828U CN 204188504 U CN204188504 U CN 204188504U
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- pommel horse
- testing
- ring friction
- high precision
- horse ring
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Abstract
The utility model discloses a kind of high precision pommel horse ring friction coefficient tester, belong to surveying instrument field, is solve manual testing pommel horse ring friction factor, wastes time and energy and the low problem of accuracy.The utility model comprises mechanism for testing, data collection and analysis mechanism and administration of power supply, and mechanism for testing comprises: base; Elevating mechanism, is fixedly installed on base, and by driven by servomotor, the top of elevating mechanism is fixedly installed a pallet; Loading blocks, is placed on pallet; Spring, its first end is fixedly connected with the top of loading blocks; Calibration tape, its first end is fixedly connected with the second end of spring; Pulling force sensor, is fixedly installed on earth anchor, and earth anchor is vertically arranged on the ground; The second end of calibration tape is fixedly connected with pulling force sensor.The full-automation jointly being completed pommel horse ring friction factor by mechanism for testing and data acquisition and analysis system is tested, and testing efficiency and measuring accuracy all have significant improvement relative to manual testing.
Description
Technical field
The utility model relates to surveying instrument technical field, particularly a kind of high precision pommel horse ring friction coefficient tester.
Background technology
Usually the friction factor of the method test pommel horse ring of artificial lift is adopted in prior art, much relations are had with the experience of tester, the data precision of record is difficult to ensure, when lifting test, the direction of power is also difficult to grasp vertical with test block, it is poor to add that there are errors in computation, thus the test result of pommel horse ring friction factor and actual difference larger.
Utility model content
The purpose of this utility model is the tester providing a kind of automatically testing pommel horse ring friction factor, is to solve artificial czochralski method test pommel horse ring friction factor in prior art, wastes time and energy and the low problem of accuracy.
The technical solution of the utility model is:
A kind of high precision pommel horse ring friction coefficient tester, comprise mechanism for testing, data collection and analysis mechanism and administration of power supply, it is characterized in that, described mechanism for testing comprises:
Base;
Elevating mechanism, is fixedly installed on described base, and by driven by servomotor, the top of described elevating mechanism is fixedly installed a pallet;
Loading blocks, is placed on described pallet;
Spring, its first end is fixedly connected with the top of described loading blocks;
Calibration tape, its first end is fixedly connected with the second end of described spring;
Pulling force sensor, is fixedly installed on earth anchor, and described earth anchor is vertically arranged on the ground; The second end of described calibration tape is fixedly connected with described pulling force sensor.
Preferably, the quality of described loading blocks is 5 ± 0.2kg.
Further, the width of described calibration tape is 20 ± 1mm, thickness is 10 ± 0.5mm, and described calibration tape is at 5N/cm
2pressure under, its thickness can be compressed to 75 ± 5% of original thickness, and the coefficient of static friction of described calibration tape is 0.25 ± 0.03.The increase ratio of calibration tape pulling force is 5 ± 0.5N/s.
Further, described calibration tape is detachably fixedly connected with described pulling force sensor.
Further, described spring is detachably fixedly connected with described loading blocks.The rising or falling speed of elevating mechanism mates with the stiffness coefficient of spring, meets the needs that pulling force increases ratio.
Preferably, described data collection and analysis mechanism comprises data collecting card, computing machine, the computer testing loading on described computing machine and control program, and described data collecting card is connected with described computing machine by Computer Communications Interface.
Further, described data collecting card is PCI8602 board.Data collecting card PCI8602 board adopts pci bus structure, has multichannel analog quantity, number connect test function, and the sampling rate of software control is arranged, and the highest sample frequency is 250kHz.
As preferably, described pulling force sensor is connected with described data collecting card by signal amplifier.
As preferably, described data collecting card is connected with the servo-driver of described servomotor, in order to send rotating rate signal and stroke limit signal to described servomotor.
When using high precision pommel horse ring friction coefficient tester of the present utility model to test the friction factor of pommel horse ring, calibration tape is walked around pommel horse ring, under the effect of elevating mechanism, calibration tape moves along pommel horse ring, and pulling force data is reached data collecting card by pulling force sensor, reaches computing machine further.High precision pommel horse ring friction coefficient tester of the present utility model, mechanism for testing is connected with computing machine by serial communication, completes the control of tester test action in TT&C software interface.Complete a test process, concrete action has: test starts, elevating mechanism moves downward, pallet and loading blocks disengages, elevating mechanism stop motion, automatically show record, draw up pulling force and time curve, calculate coefficient of maximum static friction after time delay 10s, elevating mechanism moves upward, hold up loading blocks, elevating mechanism stop motion.After completing all test processs, data automatic arranging, calculating, storage, output test record, connect printer, test result and record can be printed.
The beneficial effects of the utility model are:
The utility model provides a kind of equipment of automatic test pommel horse ring friction factor, compensate for the blank of prior art, the mechanism for testing structure of the utility model high precision pommel horse ring friction coefficient tester is simple, design ingenious, the full-automation jointly being completed pommel horse ring friction factor by mechanism for testing and data acquisition and analysis system is tested, and testing efficiency and measuring accuracy all have significant improvement relative to manual testing.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the side-looking structural representation of the utility model high precision pommel horse ring friction coefficient tester mechanism for testing;
Fig. 2 be the utility model high precision pommel horse ring friction coefficient tester mechanism for testing face structural representation;
Fig. 3 is the structural representation of the utility model high precision pommel horse ring friction coefficient tester administration of power supply and data collection and analysis mechanism;
Fig. 4 is the structured flowchart of the utility model high precision pommel horse ring friction coefficient tester data collection and analysis mechanism.
1-pulling force sensor; 2-calibration tape; 3-spring; 4-loading blocks; 5-pallet; 6-elevating mechanism; 7-servomotor; 8-base; 9-strong and weak electricity control system; 10-pommel horse ring; 11-main frame; 12-display; 13-printer.
Embodiment
Embodiment 1
As Figure 1-Figure 4, high precision pommel horse ring friction coefficient tester of the present utility model comprises mechanism for testing, administration of power supply (strong and weak electricity control system), data collection and analysis mechanism.
Wherein, mechanism for testing comprises base 8, and base 8 is fixedly installed elevating mechanism 6 above, and elevating mechanism 6 is driven by servomotor 7.The top of elevating mechanism 6 is fixedly installed a pallet 5, and pallet 5 is placed the loading blocks 4 that a quality is 5 ± 0.2kg, this loading blocks 4 is the test specimens block made by Standard.The top center position of loading blocks 4 is fixedly installed an annulus, and the first end of spring 3 is detachably fixedly connected with annulus.The second end of spring 3 is detachably fixedly connected with calibration tape 2.The width of test 2 band is 20 ± 1mm, thickness is 10 ± 0.5mm, and calibration tape 2 is at 5N/cm
2pressure under, its thickness can be compressed to 75 ± 5% of original thickness, and the coefficient of static friction of calibration tape 2 is 0.25 ± 0.03, and the increase ratio of calibration tape 2 pulling force is 5 ± 0.5N/s.The other end of calibration tape 2 is fixedly connected with pulling force sensor 1, and pulling force sensor 1 is fixed on and is vertically arranged on ground earth anchor.
The main frame 11 that data collection and analysis mechanism is comprised PCI8602 board (data collecting card), is connected by communication interface with PCI8602 board, main frame 11 external-connection displayer 12 and printer 13.Test and control program is also loaded with in main frame 11.PCI8602 board is connected by the servo-driver of interface with servomotor 7, to send rotating rate signal and stroke limit signal to servomotor 7.Pulling force sensor 1 to be connected with PCI8602 board by signal amplifier and to input data to it.
Be provided with strong and weak electricity control box below base 8, be provided with strong and weak electricity control system 9 in strong and weak electricity control box, strong and weak electricity control system 9 is powered for whole system.
When using high precision pommel horse ring friction coefficient tester of the present utility model to test the friction factor of pommel horse ring, calibration tape is walked around pommel horse ring 10, under the effect of elevating mechanism 6, calibration tape 2 moves along pommel horse ring 10, pulling force data is reached data collecting card by pulling force sensor 1, reaches computing machine further.High precision pommel horse ring friction coefficient tester of the present utility model, mechanism for testing is connected with computing machine by serial communication, completes the control of tester test action in TT&C software interface.Complete a test process, concrete action has: test starts, elevating mechanism 6 moves downward, pallet 5 disengages with loading blocks 4, elevating mechanism 6 stop motion, automatically show record, draw up pulling force and time curve, calculate coefficient of maximum static friction after time delay 10s, elevating mechanism 6 moves upward, hold up loading blocks 4, elevating mechanism 6 stop motion.After completing all test processs, data automatic arranging, calculating, storage, output test record, connect printer 13, test result and record can be printed.
Claims (5)
1. a high precision pommel horse ring friction coefficient tester, comprise mechanism for testing, data collection and analysis mechanism and administration of power supply, it is characterized in that, described mechanism for testing comprises:
Base;
Elevating mechanism, is fixedly installed on described base, and by driven by servomotor, the top of described elevating mechanism is fixedly installed a pallet;
Loading blocks, is placed on described pallet;
Spring, its first end is fixedly connected with the top of described loading blocks;
Calibration tape, its first end is fixedly connected with the second end of described spring;
Pulling force sensor, is fixedly installed on earth anchor, and described earth anchor is vertically arranged on the ground; The second end of described calibration tape is fixedly connected with described pulling force sensor.
2. high precision pommel horse ring friction coefficient tester as claimed in claim 1, is characterized in that: the quality of described loading blocks is 5 ± 0.2kg.
3. high precision pommel horse ring friction coefficient tester as claimed in claim 2, is characterized in that: the width of described calibration tape is 20 ± 1mm, thickness is 10 ± 0.5mm, and described calibration tape is at 5N/cm
2pressure under, its thickness can be compressed to 75 ± 5% of original thickness, and the coefficient of static friction of described calibration tape is 0.25 ± 0.03.
4. high precision pommel horse ring friction coefficient tester as claimed in claim 3, is characterized in that: described calibration tape is detachably fixedly connected with described pulling force sensor.
5. high precision pommel horse ring friction coefficient tester as claimed in claim 4, is characterized in that: described spring is detachably fixedly connected with described loading blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586828.5U CN204188504U (en) | 2014-10-11 | 2014-10-11 | A kind of high precision pommel horse ring friction coefficient tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586828.5U CN204188504U (en) | 2014-10-11 | 2014-10-11 | A kind of high precision pommel horse ring friction coefficient tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204188504U true CN204188504U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420586828.5U Expired - Fee Related CN204188504U (en) | 2014-10-11 | 2014-10-11 | A kind of high precision pommel horse ring friction coefficient tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204188504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266963A (en) * | 2014-10-11 | 2015-01-07 | 泰山体育产业集团有限公司 | High-precision pommel horse friction coefficient tester |
-
2014
- 2014-10-11 CN CN201420586828.5U patent/CN204188504U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266963A (en) * | 2014-10-11 | 2015-01-07 | 泰山体育产业集团有限公司 | High-precision pommel horse friction coefficient tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20171011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |