CN102103038A - Test system for blade stop time of pruning scissors - Google Patents

Test system for blade stop time of pruning scissors Download PDF

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Publication number
CN102103038A
CN102103038A CN2010105793478A CN201010579347A CN102103038A CN 102103038 A CN102103038 A CN 102103038A CN 2010105793478 A CN2010105793478 A CN 2010105793478A CN 201010579347 A CN201010579347 A CN 201010579347A CN 102103038 A CN102103038 A CN 102103038A
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China
Prior art keywords
rod
shrub
test
cylinder
hedge trimmer
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CN2010105793478A
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CN102103038B (en
Inventor
崔利兵
朱志华
余虹云
柯定芳
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Zhejiang Huadian Equipment Inspection Institute
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Zhejiang Huadian Equipment Inspection Institute
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Abstract

The invention discloses a test system for blade stop time of a pair of pruning scissors, which comprises a voltage-stabilized power source, a control system and a test rack. The test system is characterized in that the control system comprises a controlling circuit and a measuring circuit, and the test rack comprises a box body, a fast clamping device, a front switch holding device, a rear switch holding device, a tail fixing device, a lateral fixing device and a speed measuring device. The test system is test equipment for specially testing whether the safety performance of the pruning scissors conforms to the international market. The test system has the advantages of high measurement accuracy, simple and convenient operation, reliable performance and good looks and is widely suitable for manufacture factories, commercial companies, inspection institutions and the like of the pruning scissors. The biggest advantage of the test system is reflected in the universal test rack of the pruning scissors, the test rack can quickly lock a variety of pruning scissors to be tested to run a test of blade stop time, and the work efficiency is greatly increased.

Description

Shrub and hedge trimmer blade stand-by time test macro
Technical field
The present invention relates to proving installation, specifically a kind of shrub and hedge trimmer blade stand-by time test macro.
Background technology
According to GB 3883.1-2008 " the safety first part of hand held electric tool: general requirement " and GB3883.15-2007 " the safe second portion of hand held electric tool: the special use of shrub and hedge trimmer requires " shrub and hedge trimmer blade stand-by time has been made relevant regulations.The test of shrub and hedge trimmer blade stand-by time is installed in blade on the shrub and hedge trimmer carries out, because its physical dimension of shrub and hedge trimmer of different size has nothing in common with each other, and the test stand in the existing test macro, adopt fixedly tested sample of conventional universal fixturing, usually need install various cushion blocks to different samples additional, thereby be difficult to good location.And because the surface configuration of shrub and hedge trimmer often is not very regular, thereby the running time is very long, and inefficiency also can cause the inaccurate of test findings because of fixing unreliable simultaneously.
Summary of the invention
What the present invention will solve is the problems referred to above that prior art exists, and aims to provide the shrub and hedge trimmer blade stand-by time test macro of all kinds of samples of a kind of energy secure fixation.
The technical scheme that addresses the above problem employing is: shrub and hedge trimmer blade stand-by time test macro, comprise stabilized voltage supply, control system and test stand, it is characterized in that described control system comprises control circuit and metering circuit, described test stand comprises casing, described casing is provided with the quick clamping device that is used for fixing sample, be used for break-make sample preceding switch the preceding switch grip device, be used for switch behind the break-make degree sample back switch grip device, be used for fixing the sample tail end the tail end stationary installation, be used for fixing the lateral fixation device and the speed measuring device of sample.
Whether the security performance that test macro of the present invention aims at shrub and hedge trimmer meets the international market and the testing apparatus of producing, test macro has measuring accuracy height, easy and simple to handle, dependable performance, aesthetic in appearance, is widely used in manufacturer, trading company and the inspection body etc. of shrub and hedge trimmer.
Test macro great advantage of the present invention is embodied in the omnipotent test stand of shrub and hedge trimmer, can lock various tested shrub and hedge trimmer fast, carries out the test of blade stand-by time, has improved work efficiency greatly.
As a further improvement on the present invention, described quick clamping device comprises handle, master connecting-rod, slave connecting rod, mother tuber and pressure head, and described Handle axis is connected on first axle of described mother tuber; Described master connecting-rod one end is coupling on second axle of described mother tuber, and the other end connects described pressure head; Described slave connecting rod one end is coupling on the 3rd axle of master connecting-rod, and the other end is coupling on the 4th axle of handle.
Further improve again as of the present invention, described preceding switch grip device comprises support, first cylinder, first cylinder rod and first optoelectronic switch, offer the through hole that passes through for blade on the described support, described first cylinder and first optoelectronic switch are arranged on the described support, and the described first cylinder rod top is provided with push pedal.
Further improve again as of the present invention, described back switch grip device comprises the afterbody base, a pair of vertical rod, vertical rod left side fixture block, the cylinder contiguous block, the right fixture block of vertical rod, second optoelectronic switch, the cylinder top board, second cylinder and second cylinder rod, described second cylinder rod is arranged on the described cylinder contiguous block, described a pair of vertical rod is arranged on the described afterbody base, described vertical rod left side fixture block and the right fixture block of vertical rod are separately positioned in the described a pair of vertical rod, described cylinder top board one end is coupling on the fixture block of a described vertical rod left side, the other end places the described second cylinder rod top, and with the right fixture block of the vertical rod of its top over against.
Further improve as of the present invention, described tail end stationary installation comprises pedestal and the adjusting screw(rod) that is arranged on the pedestal again, and an end of described adjusting screw(rod) is provided with knob.
Further improve as of the present invention, described lateral fixation device comprises upper plate again, and described upper plate is provided with at least one pair of block and a support, and described support is provided with a top board that is used for fixing described quick clamping device.
Further improve as of the present invention, described speed measuring device comprises grating sensor sole piece, grating sensor vertical rod, grating sensor fixed block and grating sensor probe again.
Further improve as of the present invention, described control system comprises and also comprises input keyboard and display again.
Further improve as of the present invention, the pressure head of described quick clamping device is connected with described master connecting-rod by screw rod again, and described screw rod is provided with setting nut.Height by rotation setting nut scalable pressure head makes quick clamping device can clamp various types of samples.
Further improve as of the present invention, described preceding switch grip device and back switch grip device are respectively equipped with optoelectronic switch.Hold device at described preceding switch grip device and back switch and disconnect corresponding switch moment, described optoelectronic switch sends cut-off signals to test circuit and control circuit.Since the control signal that optoelectronic switch produces can direct tested circuit and control circuit receive and handle, thereby make the more simple and easy realization of test circuit and control circuit.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of test macro of the present invention.
Fig. 2 is the circuit block diagram of test macro of the present invention.
Fig. 3 is the elementary diagram of test macro of the present invention.
Fig. 4 is the structural representation of test stand of the present invention.
Fig. 5 is the structural representation of quick clamping device of the present invention.
Fig. 6 is the structural representation of preceding switch grip device of the present invention.
Fig. 7 is the structural representation of switch grip device behind the present invention.
Fig. 8 is the front elevation of switch grip device behind the present invention.
Fig. 9 is the structural representation of tail end stationary installation of the present invention.
Figure 10 is the structural representation of lateral fixation device of the present invention.
Figure 11 is the structural representation of speed measuring device of the present invention.
Embodiment
With reference to Fig. 1, shrub and hedge trimmer blade stand-by time test macro of the present invention, accurate purifying and pressure stabilizing power supply, control system 2 and the test stand 3 of exchanging of bag.Described control system comprises control circuit, metering circuit and display.
With reference to Fig. 4, described test stand comprises casing 9, described casing 9 is provided with workbench 11, described workbench 11 is provided with the quick clamping device 4 that is used for fixing sample, be used for break-make sample preceding switch preceding switch grip device 5, be used for back switch grip device 10, the tail end stationary installation 8 that is used for fixing the sample tail end, the lateral fixation device 7 that is used for fixing sample and the speed measuring device 6 of switch behind the break-make degree sample.
With reference to Fig. 5, described quick clamping device 4 comprises handle 401, master connecting-rod 409, slave connecting rod 402, mother tuber 407 and pressure head 408, and described handle 401 is coupling on first axle 406 of described mother tuber 407; Described master connecting-rod 409 1 ends are coupling on second axle 405 of described mother tuber 407, and the other end connects described pressure head 408; Described slave connecting rod 402 1 ends are coupling on the 3rd axle 404 of master connecting-rod 409, and the other end is coupling on the 4th axle 403 of handle 401.Described pressure head 408 is connected with described master connecting-rod 409 by screw rod 411, and described screw rod 411 is provided with setting nut 410.
With reference to Fig. 6, described preceding switch grip device 5 comprises support 501, support 505 and support 503, first cylinder 506, first cylinder rod 504 and first optoelectronic switch 502, support 501 is fixed on the workbench 11, offer the through hole 507 that passes through for blade on it, support 505 and support 503 are fixed on the support 501, and described first cylinder 506 is arranged on the support 505, first optoelectronic switch 502 is arranged on the support 503, and described first cylinder rod 504 tops are provided with push pedal 509.Described support 501 adopts adjustable mode to be fixed on the workbench 11, and a typical example is offered elongated slot on support 501, and fixing by bolt 508.
With reference to Fig. 7 and Fig. 8, described back switch grip device 10 comprises afterbody base 1001, a pair of vertical rod 1002, vertical rod left side fixture block 1003, cylinder contiguous block 1004, the right fixture block 1005 of vertical rod, second optoelectronic switch 1007, cylinder top board 1008, second cylinder 1009 and second cylinder rod 1010, described afterbody base 1001 is fixed on the workbench 11, described second cylinder rod 1010 is arranged on the described cylinder contiguous block 1004, described a pair of vertical rod 1002 is arranged on the described afterbody base 1001, described vertical rod left side fixture block 1003 and the right fixture block 1005 of vertical rod are separately positioned in the described a pair of vertical rod 1002, described cylinder top board 1,008 one ends are coupling on the fixture block 1003 of a described vertical rod left side, the other end places described second cylinder rod 1010 tops, and with the right fixture block 1005 of the vertical rod of its top over against.
With reference to Fig. 9, described tail end stationary installation 8 comprises pedestal 802 and the adjusting screw(rod) 803 that is arranged on the pedestal 802, and an end of described adjusting screw(rod) 803 is provided with knob 801.Described pedestal 802 can be fixed on the workbench 11, also can be fixed on the rear end of the upper plate 701 of lateral fixation device 7, adopts latter's structure in the present embodiment.
With reference to Figure 10, described lateral fixation device 7 comprises upper plate 701, described upper plate 701 is fixed on the workbench 11, which is provided with the two pairs of blocks 702 in front and back and a support 703 at least, and described support 703 is provided with a top board 704 that is used for fixing described quick clamping device 4.Described block 702 preferably adopts adjustable the connection with upper plate 701, and a typical example is offered elongated slot on block 702, and passes through bolt.
With reference to Figure 11, described speed measuring device 6 comprises grating sensor sole piece 601, grating sensor vertical rod 602, grating sensor fixed block 603 and grating sensor probe 605.Described grating sensor sole piece 601 is fixed on the workbench 11.Described grating sensor sole piece 601 preferably adopts adjustable ways of connecting to be fixed on the described workbench 11, and a typical example is offered elongated slot on grating sensor sole piece 601, and passes through bolt.
Described each cylinder drives by air compressor machine.
The fixing means of sample of the present invention is as follows:
1, sample is placed on the test stand 3, make blade pass the through hole 507 of support 501, adjust link stopper 702 and make it clamp sample from both sides.
2, the cylinder top board 1008 of back switch grip device is passed the back handle of sample, make cylinder top board 1008 be in switch below, back.When second cylinder rod 1010 rose, jack-up cylinder top board 1008 made the back switch connection; Otherwise when second cylinder rod 1010 descended, cylinder top board 1008 fell after rise the back switch is disconnected.
3, front handlebars are inserted in the push pedal 508 on first cylinder rod, 504 tops of preceding switch grip device 5, make push pedal 508 be in the below of preceding switch.Behind first cylinder rod, 504 retractions, pulling push pedal 508 is connected preceding switch; Otherwise when first cylinder rod 504 stretched out, push pedal 508 descended preceding switch is disconnected.
4, depress quick clamping device, sample is fixed.Described quick clamping device is after depressing handle 401, and master connecting-rod 409 and slave connecting rod 402 interlocks are depressed the location, back with pressure head 408, and with pressure head 408 lockings, can not rebound.
Operational instances
Control system is made into a testing tool that has input keyboard and output demonstration, is the shrub and hedge trimmer of 2 of handle quantity, 2 of band blade amount controllers with the sample, and pilot project is an example for the blade stand-by time.According to the requirement of GB 3883.15-2007 " the safe second portion of hand held electric tool: the special use of shrub and hedge trimmer requires ", these shrub and hedge trimmer are carried out 2506 cycle periods.The measurement of blade stand-by time should be carried out with the most last 6 cycles of test in 6 cycles of per 500 operation cycle.
Operating process:
1, tested shrub and hedge trimmer is installed on the omnipotent test stand of shrub and hedge trimmer, adjusts the position of each cylinder, sensor.
2, connect instrument, tested sample power supply and instrument signal line, open air valve.
3, open accurate purifying and pressure stabilizing power supply and the shrub and hedge trimmer blade stand-by time tester power supply of exchanging, preheating begins test after 1 minute.
4, by downward-direction key the interface is switched to parameter the interface is set, carry out the parameter setting.Working time, stand-by time and cycle period number of times are provided with.To be set at " 0100.0 " working time, stand-by time is set at " 0020.0 ", and the cycle is set at " 00494 ", and all parameter all configures by esc key and withdraws from.
5, by the directionkeys that makes progress the interface is switched to the time test interface, carry out the test of blade stand-by time.Press F1 and start instrument, shrub and hedge trimmer are stable, press the F2 test, can record shrub and hedge trimmer blade stand-by time, follow-on test 6 times.
6, after 6 blade stand-by times test, the interface is switched to the periodic duty interface, carry out durable operation by downward-direction key.Carry out durable/test conversion by the F3 key, this moment, durable/test lamp was bright, pressed F1 and started; pick up counting working time, and meter full working time of instrument stops the stand-by time timing; the full cycle of meter adds 1 and is back to operation, the full auto stop of cycle meter, prompting " cycle is completely please by the F5 zero clearing! ", press F5 key zero clearing periodicity, withdraw from by esc key, return the start interface.
8, by downward-direction key the interface is switched to the time test interface, carry out the test of blade stand-by time.Carry out durable/test conversion by the F3 key, this moment, durable/test lamp went out, and pressed F1 and started instrument, and shrub and hedge trimmer are stable, pressed the F2 test, can record shrub and hedge trimmer blade stand-by time, follow-on test 6 times.
9, after 6 blade stand-by times test, the interface is switched to the periodic duty interface, carry out durable operation by downward-direction key.Carry out durable/test conversion by the F3 key, this moment, durable/test lamp was bright, pressed F1 and started; pick up counting working time, and meter full working time of instrument stops the stand-by time timing; the full cycle of meter adds 1 and is back to operation, the full auto stop of cycle meter, prompting " cycle is completely please by the F5 zero clearing! ", press F5 key zero clearing periodicity, withdraw from by esc key, return the start interface.
10, again according to 8 and 9 circulations three times.
11, by downward-direction key the interface is switched to the time test interface, carry out the test of blade stand-by time.Carry out durable/test conversion by the F3 key, this moment, durable/test lamp went out, and pressed F1 and started instrument, and shrub and hedge trimmer are stable, pressed the F2 test, can record shrub and hedge trimmer blade stand-by time, follow-on test 6 times, and the cycle 2506 finishes.
12, stop by F6.Finish this shrub and hedge trimmer blade stand-by time test.
13, close instrument power source after the off-test.Close air circuit breaker, pull down instrument after 30 seconds.
What should be understood that is: the foregoing description is just to explanation of the present invention, rather than limitation of the present invention, and any innovation and creation that do not exceed in the connotation scope of the present invention all fall within protection scope of the present invention.

Claims (10)

1. shrub and hedge trimmer blade stand-by time test macro, comprise stabilized voltage supply, control system (2) and test stand (3), it is characterized in that described control system (2) comprises control circuit and metering circuit, described test stand (3) comprises casing (9), described casing (9) is provided with the quick clamping device (4) that is used for fixing sample, is used for the preceding switch grip device (5) of break-make sample preceding switch, the back switch grip device (10) that is used for switch behind the break-make degree sample, the tail end stationary installation (8) that is used for fixing the sample tail end, the lateral fixation device (7) and the speed measuring device (6) that are used for fixing sample.
2. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 1, it is characterized in that described quick clamping device (4) comprises handle (401), master connecting-rod (409), slave connecting rod (402), mother tuber (407) and pressure head (408), described handle (401) is coupling on first axle (406) of described mother tuber (407); Described master connecting-rod (409) one ends are coupling on second axle (405) of described mother tuber (407), and the other end connects described pressure head (408); Described slave connecting rod (402) one ends are coupling on the 3rd axle (404) of master connecting-rod (409), and the other end is coupling on the 4th axle (403) of handle (401).
3. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 2 is characterized in that described pressure head (408) is connected with described master connecting-rod (409) by screw rod (411), and described screw rod (411) is provided with setting nut (410).
4. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 1, it is characterized in that described preceding switch grip device (5) comprises support, first cylinder (506), first cylinder rod (504) and first optoelectronic switch (502), offer the through hole (507) that passes through for blade on the described support, described first cylinder (506) and first optoelectronic switch (502) are arranged on the described support, and described first cylinder rod (504) top is provided with push pedal (509).
5. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 1, it is characterized in that described back switch grip device (10) comprises afterbody base (1001), a pair of vertical rod (1002), vertical rod left side fixture block (1003), cylinder contiguous block (1004), the right fixture block (1005) of vertical rod, second optoelectronic switch (1007), cylinder top board (1008), second cylinder (1009) and second cylinder rod (1010), described second cylinder rod (1010) is arranged on the described cylinder contiguous block (1004), described a pair of vertical rod (1002) is arranged on the described afterbody base (1001), described vertical rod left side fixture block (1003) and the right fixture block of vertical rod (1005) are separately positioned in the described a pair of vertical rod (1002), described cylinder top board (1008) one ends are coupling on described vertical rod left side fixture block (1003), the other end places described second cylinder rod (1010) top, and with the right fixture block of the vertical rod of its top (1005) over against.
6. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 1, it is characterized in that described tail end stationary installation (8) comprises pedestal (802) and is arranged on adjusting screw(rod) (803) on the pedestal (802), an end of described adjusting screw(rod) (803) is provided with knob (801).
7. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 1, it is characterized in that described lateral fixation device (7) comprises upper plate (701), described upper plate (701) is provided with at least one pair of block (702) and a support (703), and described support (703) is provided with a top board (704) that is used for fixing described quick clamping device (4).
8. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 1 is characterized in that described speed measuring device (6) comprises grating sensor sole piece (601), grating sensor vertical rod (602), grating sensor fixed block (603) and grating sensor probe (605).
9. shrub and hedge trimmer blade stand-by time test macro as claimed in claim 1 is characterized in that described preceding switch grip device (5), lateral register device (7) and speed measuring device (6) adopt adjustable the connection.
10. as any one described shrub and hedge trimmer blade stand-by time test macro of claim 1-9, it is characterized in that described preceding switch grip device (5) and back switch grip device (10) are respectively equipped with optoelectronic switch (504,1007).
CN 201010579347 2010-12-08 2010-12-08 Test system for blade stop time of pruning scissors Active CN102103038B (en)

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Application Number Priority Date Filing Date Title
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CN102103038B CN102103038B (en) 2013-09-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643458A (en) * 2017-09-13 2018-01-30 莱茵技术-商检(宁波)有限公司 A kind of detection device of multifunctional modular
CN108663206A (en) * 2018-07-23 2018-10-16 宁波协诚电动工具有限公司 A kind of shearing performance test machine of pruner
CN109676195A (en) * 2018-12-26 2019-04-26 莱茵技术-商检(宁波)有限公司 A kind of chain saw power-off time automatic detection mechanism
CN109916605A (en) * 2017-12-13 2019-06-21 上海天祥质量技术服务有限公司 A kind of garden scissor method for testing fatigue and its tester used
CN117110769A (en) * 2023-10-23 2023-11-24 烟台市绿林工具有限公司 Shearing test equipment for electric scissors

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CN202041392U (en) * 2010-12-08 2011-11-16 浙江华电器材检测研究所 Testing system for testing stop time of pruning scissor blades

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CN1664399A (en) * 2005-02-07 2005-09-07 常州合力电器有限公司 Inertial rotation axial braking device for gardening tool
CN202041392U (en) * 2010-12-08 2011-11-16 浙江华电器材检测研究所 Testing system for testing stop time of pruning scissor blades

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643458A (en) * 2017-09-13 2018-01-30 莱茵技术-商检(宁波)有限公司 A kind of detection device of multifunctional modular
CN109916605A (en) * 2017-12-13 2019-06-21 上海天祥质量技术服务有限公司 A kind of garden scissor method for testing fatigue and its tester used
CN109916605B (en) * 2017-12-13 2024-04-09 上海天祥质量技术服务有限公司 Garden shears fatigue test method and tester used by same
CN108663206A (en) * 2018-07-23 2018-10-16 宁波协诚电动工具有限公司 A kind of shearing performance test machine of pruner
CN108663206B (en) * 2018-07-23 2024-03-22 宁波协诚电动工具有限公司 Shearing performance testing machine of pruning machine
CN109676195A (en) * 2018-12-26 2019-04-26 莱茵技术-商检(宁波)有限公司 A kind of chain saw power-off time automatic detection mechanism
CN117110769A (en) * 2023-10-23 2023-11-24 烟台市绿林工具有限公司 Shearing test equipment for electric scissors
CN117110769B (en) * 2023-10-23 2024-01-23 烟台市绿林工具有限公司 Shearing test equipment for electric scissors

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Inventor after: Yu Hongyun

Inventor after: Cui Libing

Inventor after: Zhu Zhihua

Inventor after: Pan Weijian

Inventor after: Ye Cheng

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Address after: No.217 Taizhou Road, gongchenqiao, Hangzhou, Zhejiang, 310015

Patentee after: Zhejiang Huadian Equipment Testing Research Institute Co.,Ltd.

Address before: No.217 Taizhou Road, Hangzhou, Zhejiang, 310015

Patentee before: ZHEJIANG HUADIAN EQUIPMENT TESTING INSTITUTE Co.,Ltd.

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