CN104777005A - Testing device for pneumatic riveter - Google Patents
Testing device for pneumatic riveter Download PDFInfo
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- CN104777005A CN104777005A CN201510118801.2A CN201510118801A CN104777005A CN 104777005 A CN104777005 A CN 104777005A CN 201510118801 A CN201510118801 A CN 201510118801A CN 104777005 A CN104777005 A CN 104777005A
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- riveting gun
- tested
- proving installation
- gas
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Abstract
The invention discloses a testing device for a pneumatic riveter. The testing device is characterized by comprising a tested pneumatic riveter (2), a testing and collecting unit and a data processing unit, wherein the tested pneumatic riveter (2) is connected with an air source; the testing and collecting unit comprises a stress testing rod (5) provided with a strain gage sensor (41); one end of the stress testing rod (5) is mounted on a base (12); the other end of the stress testing rod (5) is in contact with the rivet drive-in end of the tested pneumatic riveter (2); the data processing unit comprises a data collecting unit, a data management unit and a PLC (Programmable Logic Controller) control unit. The testing device can accurately test impacting frequency and impacting energy performance parameters of the pneumatic riveter.
Description
Technical field
The present invention relates to the proving installation of riveting gun, particularly a kind of proving installation of the riveting gun for riveting gun frequency of impact, the detection of impact energy performance parameter.
Background technology
Riveting gun is used for the fastening riveted joint of the process industries such as all kinds of sheet metal, tubing, is currently widely used in the assembling that is dynamo-electric and light industrial goods such as automobile, aviation, railway, refrigeration, elevator, switch, instrument, furniture, decoration and rivets.In JB/T 9850-2010 riveting gun machinery standard, typical magnitude scope is defined to the frequency of impact of riveting gun, impact energy performance parameter, but also do not have now can accurately to the proving installation that riveting gun frequency of impact, impact energy performance parameter detect.
Summary of the invention
Also do not have accurately to the problem of the proving installation that riveting gun frequency of impact, impact energy performance parameter detect, a kind of proving installation for riveting gun to be the invention provides for solving prior art.A kind of proving installation for riveting gun of the present invention, comprise tested riveting gun, test collecting unit and data processing unit, described tested riveting gun is connected with a source of the gas, described test collecting unit comprises the stress test bar being provided with strain-ga(u)ge transducer, described stress test bar one end is arranged on base, the other end and tested riveting gun execute riveting end in contact, described data processing unit comprises data acquisition unit, Data Management Unit and PLC control unit.
Described data acquisition unit comprises Amplification device, wave memorizer, pressure transducer, flowmeter, temperature sensor, strain-ga(u)ge transducer.
Described Data Management Unit comprises Data Analysis Computer.
Described PLC control unit comprises PLC programmable controller and A/D converter.
Described tested riveting gun adopts hand-held or grip unit clamping in testing.
Described grip unit comprises frame, adjustable clamping part, and described frame comprises by support, is arranged on the rectangular frame that two columns on described support and the entablature that is sleeved on two column one end surround and the base for fixing tested riveting gun be arranged on support; Described adjustable clamping part comprises and to be sleeved on two columns and the forward beam moved up and down along column between support and entablature, one end are packed in the cylinder that the chuck of described forward beam lower surface and two ends are packed in described entablature and described forward beam respectively; Described cylinder is connected with source of the gas with tested riveting gun, and the retained part of described chuck makes the shape corresponding to tested riveting gun handle.
Described cylinder has two.
Described forward beam is provided with the pilot hole for being sleeved on two columns, is provided with the threaded hole matched with the clamping screw locking forward beam in the radial direction of described pilot hole.
Described source of the gas comprises the gas-holder connecting compressed air source, and described gas-holder is provided with pressure transducer, flowmeter, temperature sensor.
Described cylinder is connected with gas-holder with reversal valve by reduction valve.
A kind of proving installation for riveting gun of the present invention also comprises alignment unit, and described alignment unit comprises and dropping hammer for the demarcation guide pipe of calibration before testing and demarcation, and described demarcation guide pipe center is provided with demarcation and drops hammer free-falling passage.
The symmetrical center positions of described entablature is provided with the through hole demarcating guide pipe for plug-in mounting, described through hole and stress test bar center coaxial.
Energy-absorbing material is provided with in described base.
The present invention has following good effect compared to prior art, a kind of proving installation for riveting gun of the present invention, before testing, need demarcate, be about to demarcate guide pipe plug-in mounting and enter entablature, demarcate to drop hammer with tape measure and drop to the drop height of stress test bar upper surface, and the weight of demarcating and dropping hammer is measured with platform balance, by measurement data input data analysis computing machine, then make demarcation drop hammer freely falling body to stress test bar upper surface, PLC control unit is according to test result automated calibration system; After demarcation completes, demarcation guide pipe is taken off; The chuck of tested for clamping riveting gun is arranged on forward beam lower surface, what source of the gas made cylinder move downward to make tested riveting gun by reversal valve executes riveting end in contact stress test bar, during test, tested riveting gun start work, riveting end bump stress measuring staff executed by tested riveting gun; Strain-ga(u)ge transducer on stress measuring staff gathers the stress wave signal of millivolt level, and stress wave signal is passed to Amplification device; Through amplifying the analog voltage of output 0 ~ 5 volt after Amplification device accepts stress wave signal, PLC control unit is defeated by analog voltage one tunnel; Another road is transported to the wave memorizer of data acquisition unit, the analog voltage that Amplification device exports is converted to digital quantity by the A/D converter of PLC control unit, through the computing of PLC programmable controller, operation values is supplied to Data Analysis Computer, and analog voltage carries out keeping in and being supplied to Data Analysis Computer by wave memorizer simultaneously; Data Analysis Computer is computing display test curve and impact energy, frequency of impact data by analysis.Testing rear source of the gas makes cylinder move upward by reversal valve, takes out tested riveting gun.
In addition, by monitoring the compressed-air actuated temperature of gas-holder, air pressure and flow, ensure that the accuracy of test, like this, proving installation of the present invention can detect riveting gun frequency of impact, impact energy performance parameter accurately.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in further detail.
Fig. 1 is the schematic diagram of a kind of proving installation for riveting gun of the present invention.
The schematic diagram of grip unit when Fig. 2 is the staking-out work of a kind of proving installation for riveting gun of the present invention.
In figure: 2. tested riveting gun, 3. reversal valve, 4. reduction valve, 5. stress test bar, 6. flowmeter, 7. gas-holder, 8. temperature sensor, 9. pressure transducer, 11. entablatures, 12. bases, 13. supports, 14. columns, 21. cylinders, 22. forward beams, 23. chucks, 31. demarcate guide pipe, and 32. demarcation are dropped hammer, 41. strain-ga(u)ge transducers.
Embodiment
Fig. 1 and Fig. 2 is a kind of proving installation for riveting gun of the present invention, comprise tested riveting gun 2, test collecting unit and data processing unit, described tested riveting gun 2 is connected with a source of the gas, described test collecting unit comprises the stress test bar 5 being provided with strain-ga(u)ge transducer 41, described stress test bar 5 one end is arranged on base 12, the other end and tested riveting gun 2 execute riveting end in contact, described data processing unit comprises data acquisition unit, Data Management Unit and PLC control unit.
Described data acquisition unit (in Fig. 1, part does not draw) comprises Amplification device, wave memorizer, pressure transducer 9, flowmeter 6, temperature sensor 8, strain-ga(u)ge transducer 41.
Described Data Management Unit (not drawing in Fig. 1) comprises Data Analysis Computer.
Described PLC control unit (not drawing in Fig. 1) comprises PLC programmable controller and A/D converter.
Described tested riveting gun 2 adopts hand-held or grip unit clamping in testing.
Described grip unit comprises frame, adjustable clamping part, and described frame comprises by support 13, is arranged on the rectangular frame that two columns 14 on described support 13 and the entablature 11 that is sleeved on two column 14 one end surround and the base 12 for fixing tested riveting gun 2 be arranged on support 13; Described adjustable clamping part comprises and to be sleeved on two columns 14 and the forward beam 22 moved up and down along column 14 between support 13 and entablature 11, one end are packed in the cylinder 21 that the chuck 23 of described forward beam 22 lower surface and two ends are packed in described entablature 11 and described forward beam 22 respectively; Described cylinder 21 is connected with source of the gas with tested riveting gun 2, and the retained part of described chuck 23 makes the shape corresponding to tested riveting gun 2 handle.
Described cylinder 21 has two.
Described forward beam 22 is provided with the pilot hole for being sleeved on two columns 14, is provided with the threaded hole matched with the clamping screw locking forward beam 22 in the radial direction of described pilot hole.
Described source of the gas comprises the gas-holder 7 connecting compressed air source, and described gas-holder 7 is provided with pressure transducer 9, flowmeter 6, temperature sensor 8.
Described cylinder 21 is connected with gas-holder 7 with reversal valve 4 by reduction valve 3.
A kind of proving installation for riveting gun of the present invention also comprises alignment unit, described alignment unit comprises and drops hammer 32 for the demarcation guide pipe 31 of calibration before testing and demarcation, and described demarcation guide pipe 31 center is provided with demarcation and drops hammer 32 free-falling passages.
The symmetrical center positions of described entablature 11 is provided with the through hole demarcating guide pipe 31 for plug-in mounting, described through hole and stress test bar 5 center coaxial.
In described base 12, be provided with energy-absorbing material, described energy-absorbing material comprises cast iron, carbon slag etc.
Data Analysis Computer calculates by following formula:
Tested riveting gun 2 bump stress reference test bar 5 produces stress wave, has certain energy, a certain constant cross-section in stress test bar 5 when stress wave is propagated in stress test bar 5, there is stressed p, speed V, within the dt time, work done is pVdt, then its gross energy (i.e. impact energy):
A---drilling rod basal area
σ---drilling rod stress
C---velocity of wave
E---elastic modulus
τ---the duration of pulse
The impact energy of tested riveting gun can adopt wave memorizer recording means to catch some stress courses in stress test bar, and then a square quadrature is determined.
Frequency of impact f measures according to two Secondary Shocks incident stress wave peak period T.
Institute pressure measurement force value P gathers real-time pressure signal value by the pressure transducer 9 be arranged on gas-holder, pressure signal value enters A/D converter and turns to quantized value, stored in assigned address, wait for that stress wave signal enters Data Analysis Computer together and carries out computational analysis.Measured temperature value T is by being arranged on the temperature sensor 8 on gas-holder, gather real-time temperature signal value (4 ~ 20mA current value), temperature signal value enters into A/D converter and turns to quantized value, stored in assigned address, enter Data Analysis Computer together with stress wave signal and carry out computational analysis.Flow q tests by adopting metal pipe float flow meter AMH250 type flowmeter.Its signal is input to A/D converter and turns to quantized value, stored in assigned address, waits for that stress wave signal enters Data Analysis Computer by serial communication together.According to the pressure gathered, temperature simultaneously, carry out the calculating of air consumption:
Q: air consumption: L/s
Q: flow: L/s
P: institute's pressure measurement force value; MPa
T: measured temperature value.
Claims (10)
1. the proving installation for riveting gun, it is characterized in that: comprise tested riveting gun (2), test collecting unit and data processing unit, described tested riveting gun (2) is connected with a source of the gas, described test collecting unit comprises the stress test bar (5) being provided with strain-ga(u)ge transducer (41), described stress test bar (5) one end is arranged on base (12), the other end and tested riveting gun (2) execute riveting end in contact, described data processing unit comprises data acquisition unit, Data Management Unit and PLC control unit.
2. a kind of proving installation for riveting gun according to claim 1, is characterized in that: described tested riveting gun (2) adopts hand-held or grip unit clamping in testing.
3. a kind of proving installation for riveting gun according to claim 2, it is characterized in that: described grip unit comprises frame, adjustable clamping part, described frame comprises by support (13), is arranged on the rectangular frame that two columns (14) on described support (13) and the entablature (11) that is sleeved on two column (14) one end surround and the base (12) for fixing tested riveting gun (2) be arranged on support (13); Described adjustable clamping part comprise be sleeved on the upper and forward beam (22) that is that move up and down along column (14) between support (13) and entablature (11) of two columns (14), chuck (23) that one end is packed in described forward beam (22) lower surface and two ends are packed in described entablature (11) and the cylinder (21) of described forward beam (22) respectively; Described cylinder (21) is connected with source of the gas with tested riveting gun (2), and the retained part of described chuck (23) is made and the corresponding shape of tested riveting gun (2) handle.
4. a kind of proving installation for riveting gun according to claim 3, it is characterized in that: described forward beam (22) is provided with the pilot hole for being sleeved on two columns (14), being provided with the threaded hole matched with the clamping screw locking forward beam (22) in the radial direction of described pilot hole.
5. a kind of proving installation for riveting gun according to claim 3, it is characterized in that: described source of the gas comprises the gas-holder (7) connecting compressed air source, and described gas-holder (7) is provided with pressure transducer (9), flowmeter (6), temperature sensor (8).
6. a kind of proving installation for riveting gun according to claim 3, is characterized in that: described cylinder (21) is connected with gas-holder (7) with reversal valve (4) by reduction valve (3), and described cylinder (21) has two.
7. a kind of proving installation for riveting gun according to claim 1, is characterized in that: described data acquisition unit comprises Amplification device, wave memorizer, pressure transducer (9), flowmeter (6), temperature sensor (8), strain-ga(u)ge transducer (41); Described Data Management Unit comprises Data Analysis Computer; Described PLC control unit comprises PLC programmable controller and A/D converter.
8. a kind of proving installation for riveting gun according to claim 3, is characterized in that: in described base (12), be provided with energy-absorbing material.
9. a kind of proving installation for riveting gun according to claim 3, it is characterized in that: the symmetrical center positions of described entablature (11) is provided with the through hole demarcating guide pipe (31) for plug-in mounting, described through hole and stress test bar (5) center coaxial.
10. a kind of proving installation for riveting gun according to claim 1, it is characterized in that: also comprise alignment unit, described alignment unit comprises and dropping hammer (32) for the demarcation guide pipe (31) of calibration before testing and demarcation, and described demarcation guide pipe (31) center is provided with demarcation and drops hammer (32) free-falling passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118801.2A CN104777005A (en) | 2015-03-18 | 2015-03-18 | Testing device for pneumatic riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118801.2A CN104777005A (en) | 2015-03-18 | 2015-03-18 | Testing device for pneumatic riveter |
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| CN104777005A true CN104777005A (en) | 2015-07-15 |
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| CN201510118801.2A Pending CN104777005A (en) | 2015-03-18 | 2015-03-18 | Testing device for pneumatic riveter |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100483U (en) * | 1990-10-31 | 1992-04-01 | 宜春风动工具厂 | Operating test bench for diesel drills |
| US20030033106A1 (en) * | 2001-07-19 | 2003-02-13 | Sartorius Ag | Test device for filter systems, method for testing filter systems, and computer program therefor |
| CN101776535A (en) * | 2010-03-05 | 2010-07-14 | 广东工业大学 | Impact property detection device of rock drilling impacter and detecting method thereof |
| CN201749012U (en) * | 2010-06-21 | 2011-02-16 | 南通星维油泵油嘴有限公司 | Testing device for detecting sealing performance of oil outlet valve coupler |
| CN102338701A (en) * | 2010-07-16 | 2012-02-01 | 中国第一汽车集团公司 | Hydraulic lock test apparatus |
-
2015
- 2015-03-18 CN CN201510118801.2A patent/CN104777005A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100483U (en) * | 1990-10-31 | 1992-04-01 | 宜春风动工具厂 | Operating test bench for diesel drills |
| US20030033106A1 (en) * | 2001-07-19 | 2003-02-13 | Sartorius Ag | Test device for filter systems, method for testing filter systems, and computer program therefor |
| CN101776535A (en) * | 2010-03-05 | 2010-07-14 | 广东工业大学 | Impact property detection device of rock drilling impacter and detecting method thereof |
| CN201749012U (en) * | 2010-06-21 | 2011-02-16 | 南通星维油泵油嘴有限公司 | Testing device for detecting sealing performance of oil outlet valve coupler |
| CN102338701A (en) * | 2010-07-16 | 2012-02-01 | 中国第一汽车集团公司 | Hydraulic lock test apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局等: "《中华人民共和国国家标准 GB/T5621-2008 凿岩机械与气动工具 性能试验方法》", 30 November 2008, 中国标准出版社 * |
| 马恩然: "小型冲击式气动工具性能微机测试系统研究", 《凿岩机械气动工具》 * |
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Application publication date: 20150715 |
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