CN2800255Y - Dynamic detector for pneumatic and electric torsional moment spanner - Google Patents
Dynamic detector for pneumatic and electric torsional moment spanner Download PDFInfo
- Publication number
- CN2800255Y CN2800255Y CN 200520009501 CN200520009501U CN2800255Y CN 2800255 Y CN2800255 Y CN 2800255Y CN 200520009501 CN200520009501 CN 200520009501 CN 200520009501 U CN200520009501 U CN 200520009501U CN 2800255 Y CN2800255 Y CN 2800255Y
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- spanner
- torsional moment
- pneumatic
- sensor
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Abstract
The utility model relates to a dynamic detector for a pneumatic or electric torsional moment spanner, which is composed of a loading power source composed of a scroll air compressor, an air storage tank, an oil and water purifier, a compressed air filter, a precision pressure gauge, and a regulated power supply, wherein a high-precision pressure air source or a precision regulated power supply can drive the examined pneumatic or electric torsional moment spanner; through a flexible buffer, the examined pneumatic or electric torsional moment spanner is connected with a strain torsional moment sensor; a measuring output system is composed of a dynamic strain meter, a data collecting device, a computer, etc., and measures the working torsional moment of actual state simulated by the examined torsional moment spanner through the flexible buffer. The buffer uses a buffer structure of a dish-shaped spring. The device can simulate the actual use state of the pneumatic or electric torsional moment spanner, and simultaneously, a multifunctional tester can collect the torsional moment of the actual work at high speed; dynamic measurement of the torsional moment can be realized; dynamic detection to the pneumatic or electric torsional moment spanner can be realized. The utility model solves relevant detection problems of the pneumatic or electric torsional moment spanner in metering and detection regulations of the JJG707-2003 'torsional moment spanner'.
Description
Technical field
The utility model relates to a kind of torque spanner dynamic calibrating installation, specifically is a kind of Pneumatic/electric torque spanner dynamic calibrating installation.
Background technology
Stipulate clearly that in national metrological verification regulations JJG 707-2003 " torque spanner " pneumatic and electric torque spanner is as the application torque metering utensil, the same these rules of including in conventional torque spanner are carried out measurement verification, but owing at present domesticly also do not have a corresponding special-purpose calibrating installation, therefore in these rules, there is not the concrete calibration method of clear and definite pneumatic and electric torque spanner.
Liaoyang gold sail instrument and meter company limited and Chongqing Heping Automation Engineering Co., Ltd. have developed JFD type Intelligent Dynamic torductor and torsional test platform respectively at present.The former is at characteristics: be applicable to the detection of various pneumatic, electric torque spanners, transient response is fast, the precision height, and giant-screen high brightness numeral shows, and is clear and intuitive, flexible operation simple, have numeral shows that rain glass is as the auxiliary detection facility.Its technical indicator is: measurement range: (1～800) Nm (disposing the sensor of various ranges according to customer requirements); A/D conversion: high-speed, high precision A/D converter, 10k time/s of sample rate, unitary sampling times 10 μ s; Basic display error: ± 1%; Display mode: peak value keeps and the continuous dual mode that shows, switches by button; Power supply mode: AC220V, 50Hz; Power attenuation: 7W; Rain glass is to show precision ± 1% (seeing www.lyjfgs.com/cp3.htm) continuously.Latter's function is: test simple and convenient; Automatic clear; Numeral shows moment of torsion; Write down qualified number of times; Acceptability limit can be provided with; The record maximum torque.Technical indicator: torque sensor precision 5 ‰; Intelligence instrument display precision 5 ‰; Indication range (0～100) Nm (seeing http://www.ccchp.com/htdocs).
But because the aerodynamic moment spanner is higher to the power gas source quality requirements, and the said equipment does not have the fine solution of energy aspect source of the gas; And pneumatic and electric torque spanner is a dynamic load, in torque measurement, snubber assembly must be disposed and the real work moment of torsion of pneumatic and electric torque spanner could be accurately measured, the said equipment does not have corresponding device thereof in this respect, reason is the state of this snubber assembly will simulate pneumatic and electric torque spanner fastening nut on structural design the time, have suitable difficulty, therefore domestic manufacturing firm does not address this problem all the time.On sampling rate, the highest sample frequency of Intelligent Dynamic torductor of Liaoyang gold sail instrument and meter company limited development only is 10k time/s.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art to provide a kind of Pneumatic/electric torque spanner dynamic calibrating installation, solves in JJG 707-2003 " torque spanner " measurement verification regulations calibrating problem about pneumatic and electric torque spanner.
The dynamic calibrating installation that the utility model relates to is by the scrollwork air compressor, gas-holder, profit clarifier and compressed-air filter and precision pressure gauge and D.C. regulated power supply are formed the loading power source, high-precision pressure source of the gas or precision DC stabilized voltage supply drive tested pneumatic or electric torque spanner, tested torque spanner connects with the strain-type torque sensor by the flexible buffer device, dynamic strain indicator, the computing machines of data acquisition unit and built-in calibrating data collection and analysis process software etc. constitute measures output system, measure the operation torque of tested torque spanner, constitute whole calibrating installation with this through flexible buffer virtual condition that device is simulated.
This calibrating installation uses the flexible buffer device to adopt the disk spring buffer structure, connects square joint, buffering dish spring and drive screw by sensor square joint, retaining cover, package casing, spanner and forms.The realization of sensor square joint is connected with sensor, and last drill drift is that the sensor square joint is spacing.Spanner connects square joint and drive screw one end connects by square toes, the other end of drive screw and sensor square joint are by being threaded, buffering dish spring is installed in the drive screw middle part, one bulge loop is arranged on the drive screw, buffering dish spring one end is near the end face of drive screw bulge loop, and the other end is against on the end face of sensor square joint.During real work, the rotation under pneumatic or electric torque spanner drive of buffering dish spring center drive screw, after the screw rod end face touches buffering dish spring, buffering dish spring is exerted pressure, buffering dish spring absorbs pneumatic or electric torque spanner energy, and the screw rod pace is reduced until tightening, and simulates pneumatic or the actual user mode of electric torque spanner, go out the real work moment of torsion by the multifunctional tester high speed acquisition simultaneously, realize the torque measurement calibrating.
Advantage and good effect that the utility model compared with prior art has are as follows:
(1) since at present prior art also do not have corresponding means aspect the calibrating of dynamic class torque spanner, so the utility model has solved in JJG 707-2003 " torque spanner " measurement verification regulations calibrating means problem about pneumatic and electric torque spanner.
(2) because the flexible buffer device that this device uses adopts the disk spring buffer structure, can simulate pneumatic fully or the actual user mode of electric torque spanner, go out the real work moment of torsion by the multifunctional tester high speed acquisition simultaneously, realize Torque Dynamic Measurement, realized that effect is better to the dynamic calibration of pneumatic and electric torque spanner.
(3) when calibrating aerodynamic moment spanner, source of the gas is crucial.Source of the gas is the operation power that drives the aerodynamic moment spanner, and is directly related with the moment of torsion of aerodynamic moment spanner, if work source of the gas instability, the calibrating data repeatability just can't be guaranteed.The utility model has adopted the high precision source of the gas, has solved the driving and the calibrating accuracy problems of aerodynamic moment spanner.
(4) pneumatic and electric torque spanner calibrating realizes in same calibrating installation, has strengthened apparatus function.
This calibrating installation not only can be applicable on the moment of torsion value testing of pneumatic and electric torque spanner, also can be applicable to other moment of torsion value testing pneumatic or the electric torque instrument, realizes the control pneumatic and accuracy of electric torque instrument moment of torsion transmission of quantity value.
Description of drawings
Fig. 1 is the Pneumatic/electric torque spanner dynamic calibrating installation structural representation;
Fig. 2 is the flexible buffer device structural representation of calibrating installation.
Embodiment
Referring to Fig. 1, Pneumatic/electric torque spanner dynamic calibrating installation constitutes by loading power source, flexible buffer device, strain-type torque sensor and measuring several parts of output system.Loading power source is made up of scrollwork air compressor 14, gas-holder 13, profit clarifier 11 and compressed-air filter 10, precision pressure gauge 9 and stabilized voltage supply 5.Wherein scrollwork air compressor 14, gas-holder 13, profit clarifier 11 and compressed-air filter 10 are linked to each other successively by tracheae and become one, precision pressure gauge 9 is installed on the pipeline, condenser 12 is positioned at after the gas-holder 13, interior dress condensed fluid, and tracheae is by wherein passing.Tested torque spanner (pneumatic) 8 is connected the pipeline end, if measure electric torque spanner, gas-holder 13 stabilized voltage supplys then directly connect tested electric torque spanner.Flexible buffer device 7 one ends connect tested torque spanner 8, and the other end connects C3S2U type strain-type torque sensor 6.Measure output system and be made up of YE6600 dynamic strain indicator 4, YE6230A data acquisition unit 3 and computing machine 2 and printer 1, the output of C3S2U type strain-type torque sensor 6 is connected with the input of the YE6600 dynamic strain indicator 4 of measuring output system.
The principle of work of this dynamic calibrating installation: when calibrating aerodynamic moment spanner, source of the gas is provided by scrollwork air compressor 14, the source of the gas that provides is through gas-holder 13 voltage stabilizings, tested torque spanner 8 work of condenser 12 coolings and profit clarifier 11 and compressed-air filter 10 filtration, purification rear drives, the pressure of source of the gas can carry out real-time monitored by precision pressure gauge 9.Tested torque spanner 8 produces moment of torsion under the driving of source of the gas; When the calibrating electric torque spanner, for providing precision voltage source to drive it, tested torque spanner 8 produces moment of torsion by stabilized voltage supply 5.Moment of torsion is through the actual working state of the tested torque spanner of flexible buffer device 7 buffering back simulations, gather measurement by C3S2U type strain-type torque sensor 6 and dynamic strain indicator 4 and 3 pairs of actual torques of data acquisition unit then, at last by computing machine 2 and printer 1 output verification result.
The structure of the flexible buffer device of this device is referring to Fig. 2, and it is connect square joint 74, buffering dish spring 75 and drive screw 76 and formed by sensor square joint 71, retaining cover 72, package casing 73, spanner.71 realizations of sensor square joint are connected with sensor, and retaining cover 72 is that sensor square joint 71 is spacing.Spanner connects square joint 74 and connects by square toes with drive screw 76 1 ends, the other end of drive screw 76 and sensor square joint 71 are by being threaded, buffering dish spring 75 is installed in drive screw 76 middle parts, one bulge loop 77 is arranged on the drive screw 76, buffering dish spring 75 1 ends are near the end face of the bulge loop 77 of drive screw, and the other end is against on the end face of sensor square joint 71; Outside sensor square joint 71 and spanner connection square joint 74, be with package casing 73, and between sensor square joint 71 and package casing 73, be with retaining cover 72.This flexible buffer device is when real work, the torque drive that tested torque spanner produces connects square joint 74 rotations, spanner connects square joint 74 drive drive screws 76 and does corresponding rotation, and buffering dish spring 75 can be to connecting the generation buffer action of advancing of square joint 74 and drive screw 76, to the last with on the C3S2U type strain-type torque sensor 6 in the complete bringing device of moment of torsion, thereby realized simulating the function of tested torque spanner actual working state.
The dynamic calibrating installation the key technical indexes of the applicant's actual design is as follows:
(1) torque measurement scope: (3～100) Nm;
(2) the moment of torsion indicating value limits of error≤± 1.0%;
(3) load mode: pressure 1.0Mpa volume flow 0.6m
3The pneumatic loading of/min and (0～50) V, the electronic loading of (0～60) A;
(4) precision pressure gauge: 0.4 grade of precision, range (0.1～1.0) Mpa;
(5) the highest sample frequency of multifunctional tester data acquisition unit: transient acquisition mode 1MHz/CH, maximum sampling length: transient acquisition mode 126k/CH.
Claims (2)
1, a kind of Pneumatic/electric torque spanner dynamic calibrating installation, include and load power source, strain-type torque sensor (6) and measure output system, measure output system and be made up of dynamic strain indicator (4), data acquisition unit (3) and computing machine (2), the output of strain-type torque sensor (6) is connected with the input of the dynamic strain indicator (4) of measuring output system; It is characterized in that: described loading power source is made up of scrollwork air compressor (14), gas-holder (13), profit clarifier (11) and compressed-air filter (10), precision pressure gauge (9) and stabilized voltage supply (5), wherein scrollwork air compressor (14), gas-holder (13), profit clarifier (11) and compressed-air filter (10), precision pressure gauge (9) are linked to each other successively by tracheae, the terminal gas dynamic torque spanner (8) that connects of its pipeline, stabilized voltage supply (5) then directly connects tested electric torque spanner; Design has flexible buffer device (7) in addition, and an end connects tested torque spanner (8), and the other end connects strain-type torque sensor (6).
2, Pneumatic/electric torque spanner dynamic calibrating installation according to claim 1, it is characterized in that: sensor square joint (71), retaining cover (72), package casing (73), spanner connect square joint (74), buffering dish spring (75) and drive screw (76) and form, sensor square joint (71) is connected with sensor, and retaining cover (72) is that sensor square joint (71) is spacing; Spanner connects square joint (74) and connects by square toes with drive screw (76) one ends, the other end of drive screw (76) and sensor square joint (71) are by being threaded, buffering dish spring (75) is installed in drive screw (76) middle part, one bulge loop (77) is arranged on the drive screw (76), buffering dish spring (75) one ends are near the end face of the bulge loop (77) of drive screw, and the other end is against on the end face of sensor square joint (71); Outside sensor square joint (71) and spanner connection square joint (74), be with package casing (73), and between sensor square joint (71) and package casing (73), be with retaining cover (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009501 CN2800255Y (en) | 2005-06-18 | 2005-06-18 | Dynamic detector for pneumatic and electric torsional moment spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009501 CN2800255Y (en) | 2005-06-18 | 2005-06-18 | Dynamic detector for pneumatic and electric torsional moment spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2800255Y true CN2800255Y (en) | 2006-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520009501 Expired - Lifetime CN2800255Y (en) | 2005-06-18 | 2005-06-18 | Dynamic detector for pneumatic and electric torsional moment spanner |
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| Country | Link |
|---|---|
| CN (1) | CN2800255Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351045C (en) * | 2005-06-18 | 2007-11-28 | 长安汽车（集团）有限责任公司 | Pneumatic/electric torque spanner dynamic calibrating installation |
| CN107764469A (en) * | 2017-10-16 | 2018-03-06 | 郑州东辰科技有限公司 | Torque spanner calibrating installation and its bolt simulator |
| CN110339742A (en) * | 2019-07-10 | 2019-10-18 | 南方科技大学 | High-throughput direct write equipment and direct-write methods, liquid phase method preparation system |
| CN111982482A (en) * | 2020-08-03 | 2020-11-24 | 金华尤创自动化科技有限公司 | Automatic detection equipment for electric wrench performance test |
-
2005
- 2005-06-18 CN CN 200520009501 patent/CN2800255Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351045C (en) * | 2005-06-18 | 2007-11-28 | 长安汽车（集团）有限责任公司 | Pneumatic/electric torque spanner dynamic calibrating installation |
| CN107764469A (en) * | 2017-10-16 | 2018-03-06 | 郑州东辰科技有限公司 | Torque spanner calibrating installation and its bolt simulator |
| CN107764469B (en) * | 2017-10-16 | 2023-11-14 | 河南鑫亮建设工程有限公司 | Torque spanner calibrating device and bolt simulator thereof |
| CN110339742A (en) * | 2019-07-10 | 2019-10-18 | 南方科技大学 | High-throughput direct write equipment and direct-write methods, liquid phase method preparation system |
| CN111982482A (en) * | 2020-08-03 | 2020-11-24 | 金华尤创自动化科技有限公司 | Automatic detection equipment for electric wrench performance test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071128 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |