CN102128992B - Test system for no-load and locked-rotor characteristics of handheld electric tool - Google Patents
Test system for no-load and locked-rotor characteristics of handheld electric tool Download PDFInfo
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- CN102128992B CN102128992B CN 201010579163 CN201010579163A CN102128992B CN 102128992 B CN102128992 B CN 102128992B CN 201010579163 CN201010579163 CN 201010579163 CN 201010579163 A CN201010579163 A CN 201010579163A CN 102128992 B CN102128992 B CN 102128992B
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Abstract
The invention discloses a test system for the no-load and locked-rotor characteristics of a handheld electric tool. The test system comprises a control system, a locked-rotor characteristic test frame and a no-load characteristic test frame, wherein the control system comprises a test circuit, a control circuit and a display; the no-load characteristic test frame comprises a machine frame and an upper platform; a pair of clamping devices with the same structures substantially is arranged on the upper platform; a speed measuring meter is arranged at the place below the upper platform, which faces an axially extending end of a test sample; and the locked-rotor characteristic test frame comprises a force measuring device, a work platform test sample fixing mechanism and a machine frame. The test system is mainly used for monitoring the working condition of the handheld electric tool, is the two-in-one specialized test equipment which can test the no-load characteristic and the locked-rotor characteristic of an electric drill, an electric hammer and the like, is the test equipment necessary for ensuring the safety of various handheld electric tools, is convenient to operate and maintain, is safe and reliable, and is high in performance. The no-load characteristic universal test frame and the locked-rotor characteristic universal test frame of the test system can quickly lock various tested handheld electric tools, so the working efficiency is greatly improved.
Description
Technical field
The present invention relates to the hand held electric tool performance testing device, relate in particular to zero load and the locked rotor characteristic proving installation of hand held electric tool, specifically a kind of zero load of hand held electric tool and locked rotor characteristic test macro.
Background technology
The zero load of hand held electric tool and locked rotor characteristic are the important performance indexes of hand held electric tool, must meet national Specification.Usually, both are respectively in no-load characteristic system and locked rotor characteristic system, and each system all need be equipped with cover control system and a power supply, and not only equipment cost is high, and it is many to take up room, very uneconomical practicality.Sample is carried to from a cover test macro and adds a cover test macro and need change more time and strength, thereby efficient is very low.
In addition, the test stand in the existing test macro adopts fixedly tested sample of conventional universal fixturing, usually need to install to different samples various cushion blocks additional, thereby be difficult to good location.And because the surface configuration of hand held electric tool is not very regular usually, thereby the running time is very long, and inefficiency also can cause because of fixing unreliable the inaccurate of test findings simultaneously.
Summary of the invention
The present invention will solve is that the test of the different qualities that exists of prior art is carried out in different test macros respectively, thereby cause plant factor not high, and the large problem that takes up room aims to provide a kind of integrated test system that can test simultaneously hand held electric tool zero load and locked rotor characteristic.
What the present invention also will solve is the fixing unreliable and inconvenient problem of general specimen holder that prior art exists, aim to provide a kind of omnipotent test stand of special use, and the unloaded and locked rotor characteristic test macro of hand held electric tool that adopts this omnipotent test stand.
For addressing the above problem, the present invention is by the following technical solutions: the unloaded and locked rotor characteristic test macro of hand held electric tool, comprise control system, locked rotor characteristic test stand and no-load characteristic test frame, described control system is electrically connected with described locked rotor characteristic test stand and no-load characteristic test frame, it is characterized in that:
Described control system comprises test circuit, control circuit and display, and described control circuit is electrically connected with described test circuit and display;
Described no-load characteristic test frame comprises frame and upper mounting plate, described upper mounting plate is provided with the essentially identical clamp device of a pair of structure, described each clamp device comprises base plate, described base plate is provided with a pair of V-type push-down head and a riser, described riser is provided with compressing fixture, and described compressing fixture is provided with seaming chuck; Shaft extension end over against sample below upper mounting plate is provided with knotmeter;
Described locked rotor characteristic test stand comprises device for measuring force, workbench sample fixed mechanism and frame, described workbench sample fixed mechanism comprises working plate, a pair of sample fixed head, base, riser, V-type seaming chuck, V-type push-down head and compressing fixture, described a pair of sample fixed head and base are arranged on the described working plate, described riser is arranged on the described base, described compressing fixture is arranged on the described riser, and described V-type seaming chuck is arranged on the described compressing fixture.
Hand held electric tool zero load of the present invention and locked rotor characteristic test macro are mainly used in monitoring the hand held electric tool working condition, this test macro can be tested no-load characteristic and the two-in-one professional test equipment of locked rotor characteristic such as electric drill, electric hammer, be the no-load characteristic parameter: voltage, electric current, power, rotating speed, locked rotor characteristic parameter: voltage, electric current, power, locked-rotor torque.Test data deposits computing machine in the database pattern, can inquire about at any time and print.
Test macro of the present invention is applicable to various hand held electric tools and carries out no-load characteristic and locked rotor characteristic test, guarantees the essential testing equipment of safety of various hand held electric tools, and test macro is easy to operate, safe and reliable, functional, easy to maintenance.This test macro great advantage is embodied in the omnipotent test stand of no-load characteristic and the omnipotent test stand of locked rotor characteristic, and the various tested hand held electric tools of energy quick locking carry out the test of no-load characteristic and locked rotor characteristic, have greatly improved work efficiency.
Locked rotor characteristic test stand of the present invention can be one, and the locked rotor characteristic test stand of a plurality of different moments of torsion also can be set simultaneously.
The installation method of no-load characteristic test frame of the present invention: sample is placed on a pair of V-type push-down head, depress compressing fixture, link mechanism interlocking drives seaming chuck and presses down, until sample reliably is fixed between the upper push-down head.
Further improve as the present invention, the compressing fixture of described locked rotor characteristic test stand and no-load characteristic test frame has essentially identical structure, comprise handle, first connecting rod and second connecting rod, described first connecting rod one end is coupling on corresponding riser, the corresponding seaming chuck of another termination, described second connecting rod one end and handle are coupling, and the other end and first connecting rod are coupling.Described each seaming chuck is connected with corresponding compressing fixture by screw rod, and is provided with setting nut at the screw rod end.
Further improve as of the present invention, the workbench sample fixed mechanism of described locked rotor characteristic test stand is between its clamp base and the working plate, adopt adjustable connection between sample fixed head and the working plate again.Be provided with the first fastening handle at the sample fixed head, locking sample fixed head after adjusting to the right place.Also be provided with the second fastening handle in described sample fixed head upper end, be used for further spacing to sample.
Further improve again as of the present invention, also be provided with workbench horizontal adjustment actuating mechanism on the described locked rotor characteristic test stand, described workbench horizontal adjustment actuating mechanism comprises that carriage is dull and stereotyped, sliding block, the sliding block screw mandrel, the first slide block transmission nut, middle slide block, the second slide block transmission nut, the top shoe screw mandrel, top shoe, the screw mandrel fixed block, front and back control hand wheel and left and right adjusting handwheel, described carriage flat board is fixed on the described frame, described sliding block is fixed on the described carriage flat board, described the first slide block transmission nut is arranged on the bottom surface of described middle slide block, described sliding block screw mandrel passes the through hole on the sliding block and is connected with described the first slide block transmission nut, and described front and back control hand wheel is arranged on the end of lower skateboard screw mandrel; Described middle slide block bottom is provided with long rails, top is provided with cross track, described sliding block is arranged in the long rails of middle slide block, described top shoe is arranged in the cross track of middle slide block, described the second slide block transmission nut is arranged on the upper surface of described middle slide block, described screw mandrel fixed block is arranged on the side of top shoe, described top shoe screw mandrel cooperates with described the second slide block transmission nut after passing the screw mandrel fixed block, and described left and right adjusting handwheel is arranged on the end of the second slide block transmission nut; Described working plate is fixed on the top shoe.
Further improve as of the present invention, also be provided with up and down adjusting mechanism of workbench on the described locked rotor characteristic test stand, described workbench up and down adjusting mechanism comprises that carriage is dull and stereotyped, column, the column clamping block, load lower platform base plate, worm gear, worm screw and screw rod, it is dull and stereotyped that described column top connects described carriage, set through hole on the load lower platform base plate is passed in the bottom, and can in through hole, move up and down, described column clamping block is arranged on the column place on the load lower platform base plate, described worm gear is arranged on the load lower platform base plate, described screw rod bottom is arranged on the worm gear, the top overhead is in the carriage planar bottom surface, described worm screw is relative with described worm gear disposes, and by handwheel or motor-driven; Described carriage is dull and stereotyped to be connected with workbench sample fixed mechanism or workbench horizontal adjustment actuating mechanism.
Description of drawings
Fig. 1 is the structural representation of test macro of the present invention.
Fig. 2 is the circuit block diagram of control system of the present invention.
Fig. 3 is the wiring diagram of test macro of the present invention.
Fig. 4 is the structural representation of no-load characteristic test frame of the present invention.
Fig. 5 is the structural representation of the clamp device of no-load characteristic test frame.
Fig. 6 is the mounting structure synoptic diagram of the knotmeter of no-load characteristic test frame.
Fig. 7 is the structural representation of locked rotor characteristic test stand.
Fig. 8 is the structural representation of the device for measuring force of locked rotor characteristic test stand.
Fig. 9 is the structural representation of locked rotor characteristic test stand workbench sample fixed mechanism.
Figure 10 is the structural representation of the workbench horizontal adjustment actuating mechanism of locked rotor characteristic test stand.
Figure 11 is the explosive view of locked rotor characteristic test stand workbench horizontal adjustment actuating mechanism.
Figure 12 is the up and down structural representation of adjusting mechanism of locked rotor characteristic test stand workbench.
Figure 13 is the structural representation of locked rotor characteristic test stand frame.
Embodiment
With reference to Fig. 1, unloaded and the locked rotor characteristic test macro of hand held electric tool of the present invention, comprise control system 2,100N.m locked rotor characteristic test stand 3,20N.m locked rotor characteristic test stand 4 and no-load characteristic test frame 5, described control system 2 is electrically connected with described locked rotor characteristic test stand and no-load characteristic test frame 5.
With reference to Fig. 2, described control system 2 comprises test circuit, control circuit and display, and described control circuit is electrically connected with described test circuit and display; The sample power supply is provided by single-phase variable-frequency power sources.
With reference to Fig. 4, described no-load characteristic test frame 5 comprises frame 501 and upper mounting plate 504, and described upper mounting plate 504 is provided with the essentially identical clamp device of a pair of structure.
With reference to Fig. 5, described each clamp device comprises base plate 507, and described base plate 507 is provided with a pair of V-type push-down head 508 and a riser 514, and described riser 514 is provided with compressing fixture, described compressing fixture one end and described handle 513 are hinged, and the other end connects pressure head 509.
Described compressing fixture comprises handle 513, first connecting rod 511 and second connecting rod 512, described first connecting rod 511 1 ends are coupling on riser 514,706, and the other end connects pressure head 509,707, described second connecting rod 512 1 ends and handle 513 are coupling, and the other end and first connecting rod 511 are coupling.Described seaming chuck 509 is connected with compressing fixture by screw rod, and is provided with setting nut 510 at the screw rod end.
The installation method of no-load characteristic test frame: sample is placed on a pair of V-type push-down head 508, depress handle 513, link mechanism interlocking drives seaming chuck 509 and presses down, and rotation setting nut 510 is until sample reliably is fixed between the upper push-down head.
With reference to Fig. 6, the shaft extension end over against sample below upper mounting plate 504 is provided with knotmeter 516,517, and described knotmeter 516,517 places respectively on separately the support 515,518, is respectively applied to measure electric drill class instrument and electric mill class instrument.
With reference to Fig. 7, described locked rotor characteristic test stand comprises device for measuring force 6, workbench sample fixed mechanism 7, workbench horizontal adjustment actuating mechanism 8, workbench up and down adjusting mechanism 9 and frame 10.
With reference to Fig. 8, described device for measuring force comprises riser 601, base plate 605, sensor front support 607, sensor rear support 603, sensor 604, cover 611 and connector, described base plate 605 is fixed on the riser 601 by screw 602, described sensor front support 607 and sensor rear support 603 are arranged on the base plate 605, described sensor 604 rear ends are fixed on the rear support 603 by screw 606, front end is arranged on the front support 607, and the front end of sensor 604 sets gradually cover 608, liner 609 and the axle 610 of connector.
With reference to Fig. 9, described workbench sample fixed mechanism 7 comprises working plate 701, a pair of sample fixed head 702, base 711, riser 706, V-type seaming chuck 707, V-type push-down head 709 and compressing fixture 708, described a pair of sample fixed head 702 and base 711 are arranged on the described working plate 701, described riser 706 is arranged on the described base 711, described compressing fixture 708 is arranged on the described riser 706, and described V-type seaming chuck 707 is arranged on the described compressing fixture 708.Wherein, the compressing fixture in the clamp device of described compressing fixture 708 and no-load characteristic test frame 5 is identical, referring to Fig. 5.
Adopt adjustable connection between described base 711 and the working plate 701, between sample fixed head 702 and the working plate 701; A typical example is offered regulating tank at sample fixed head 702, and the first fastening handle 704 is set in the groove, the described sample fixed head 702 of locking after sample fixed head 702 is adjusted to the right place.Described sample fixed head 702 upper ends also are provided with for the second fastening handle 703 spacing to sample.
The sample fixing means is as follows: first the first fastening handle 704 and the second fastening handle 703 are unscrewed, then sample end court is placed on the V-type push-down head 709; Depress compressing fixture 708, the setting nut of regulating on it makes V-type seaming chuck 707 tightly push down sample; Adjust the sample fixed head, clamp sample, screw the first fastening handle 704, last, screw the second fastening handle 703.Like this, sample is compressed by V-type seaming chuck 707 and V-type push-down head 709 in the vertical direction, is clamped by left and right sides sample fixed head 702 in the horizontal direction.
With reference to Figure 10, Figure 11, described workbench horizontal adjustment actuating mechanism 8 comprises carriage flat board 801, sliding block 802, sliding block screw mandrel 806, the first slide block transmission nut 809, middle slide block 808, the second slide block transmission nut 811, top shoe screw mandrel 813, top shoe 810, screw mandrel fixed block 812, front and back control hand wheel 807 and left and right adjusting handwheel 815, described carriage flat board 801 is fixed on the described frame 10, described sliding block 802 is fixed on the described carriage flat board 801, described the first slide block transmission nut 809 is arranged on the bottom surface of described middle slide block 808, and place in the drop-center 817 of sliding block, the through hole 816 that described sliding block screw mandrel 806 passes on the sliding block is connected with described the first slide block transmission nut 809 afterwards, and described front and back control hand wheel 807 is arranged on the end of lower skateboard screw mandrel 806; Described middle slide block 808 bottoms are provided with long rails, top is provided with cross track, sliding block 802 is arranged in the long rails of middle slide block 808, described top shoe 810 is arranged in the cross track of middle slide block 808, described the second slide block transmission nut 811 is arranged on the upper surface of described middle slide block 808, described screw mandrel fixed block 812 is arranged on the side of top shoe 810, described top shoe screw mandrel 813 cooperates with described the second slide block transmission nut 811 after passing screw mandrel fixed block 812, and described left and right adjusting handwheel 815 is arranged on the end of the second slide block transmission nut 811; Described working plate 701 is fixed on the top shoe 810, makes described workbench horizontal adjustment actuating mechanism 8 fixing with the workbench sample fixed mechanism 7 of its top.
With reference to Figure 12, described workbench up and down adjusting mechanism 9 comprises carriage flat board 901, column 903, column clamping block 911, load lower platform base plate 912, worm gear 919, worm screw 917 and screw rod 910, described column 903 tops connect described carriage flat board 901, set through hole on the load lower platform base plate 912 is passed in the bottom, and can in through hole, move up and down, described column clamping block 911 is arranged on column 903 places on the load lower platform base plate 912, described worm gear 919 is arranged on the load lower platform base plate 912, described screw rod 910 bottoms are arranged on the worm gear 919, the top overhead is in dull and stereotyped 901 bottom surfaces of carriage, described worm screw 917 and described worm gear 919 relative configurations, and by handwheel 915 or motor 902 transmissions; Described carriage dull and stereotyped 901 is connected with workbench sample fixed mechanism 8 or workbench horizontal adjustment actuating mechanism 8.
With reference to Figure 13, described frame 10 consists of column 1001 by four No. 350 shaped steel, consists of lower section frame 1002 by 4 No. 870 shaped steel, consists of upper frame 1003 by 4 No. 360 shaped steel, and upper frame 1003 covers load lower platform base plate 912 in the above.All connect the location by fixed angles 1006 between lower section frame 1002 and the column 1001, between upper frame 1003 and the column 1001.One side of upper frame 1003 is provided with control enclosure 1005, and lower section frame 1002 bottoms are provided with foot wheel 1007.
Operation instructions
1, opens all radiator fans, connect instrument power source.
2, tested sample is clamped test stand.When carrying out the stall test, require the output shaft of tested sample is guaranteed concentric and level with the device for measuring force head that tested sample firmly is installed on the test stand, omnipotent test stand is locking effectively.
3, the tested sample attaching plug is inserted into corresponding position, when needing to survey rotating speed, tested sample should be loaded onto the sensitization anchor clamps.
4, after tested sample had clamped, power turn-on was opened computing machine, clicked zero load/locked rotor characteristic testing system software icon, entered main interface, clicked " zero load/locked rotor characteristic test macro " menu, enters parameter the interface is set; Click " data are checked and printed " menu, enter and check and the printing test data interface; Click " withdrawing from " menu, withdraw from this test macro.
5, alarm parameters unloaded and stall is set, comprises voltage, electric current, power, rotating speed or torque, also can by selecting specifications and models, select parameter that preserved, that record is arranged.After the parameter setting is finished, click " determining " button, withdraw from parameter the interface is set, enter the station test interface, setup test.
6, select corresponding station, to arranging test No., working time, open single-phase variable-frequency power sources, adjust output voltage.Click START button and begin test, START button neutralizes after the test beginning, and " ends " button becomes effectively, reaches automatically end after the setting value working time.
7, required test data can be inquired about and print to " data are checked and the printed " menu at hit testing master interface.
8, after test is finished, withdraw from software, shut down computer and single-phase variable-frequency power sources deenergization, repairing experiment frame.
Example operation
Be numbered 2010 with model machine, sample is II class electric drill, and pilot project is that no-load characteristic measurement and locked rotor characteristic test are example.
(1) no-load characteristic measurement
1, opens all radiator fans, connect instrument power source.
2, tested sample is clamped No. 2 stations of the omnipotent test stand of no-load characteristic.Tested sample firmly is installed in test stand, the effective locking of omnipotent test stand.
3, in tested sample the sensitization anchor clamps are installed.
3, the tested sample attaching plug is inserted into corresponding position.
4, after tested sample had clamped, power turn-on was opened computing machine, clicked hand held electric tool zero load/locked rotor characteristic testing system software icon, entered main interface, clicked " zero load/locked rotor characteristic test macro " button, enters parameter the interface is set;
5, unloaded alarm parameters is set, comprises voltage, electric current, power, rotating speed, after the parameter setting is finished, click " determining " button, withdraw from parameter the interface is set, enter the station test interface, setup test.
6, select No. 2 stations, input test is numbered 2010, working time 300s, open single-phase variable-frequency power sources, the adjustment output voltage is 220V.Click START button and begin test, START button neutralizes after the test beginning, and " end " button becomes effectively, and automatically finish behind the 300s working time.
7, after test is finished, close single-phase variable-frequency power sources.
(2) locked rotor characteristic test
1, tested sample is pulled down from No. 2 stations of the omnipotent test stand of no-load characteristic, and pulled down the sensitization anchor clamps.
2, tested sample is clamped the omnipotent testing jig of locked rotor characteristic 100Nm.The output shaft of tested sample is guaranteed concentric and level with the stall measuring head, and test stand is locking effectively.
3, the tested sample attaching plug is inserted into corresponding position.
4, after tested sample has clamped, click " parameter setting " button, enter parameter the interface is set.
5, the alarm parameters of stall is set, comprises voltage, electric current, power, torque, also can by selecting specifications and models, select parameter that preserved, that record is arranged.After the parameter setting is finished, click " determining " button, withdraw from parameter the interface is set, enter the station test interface, setup test.
6, select No. 3 stations, input test is numbered 2010, be 60s working time, opens single-phase variable-frequency power sources, adjusts output voltage.Click START button and begin test, START button neutralizes after the test beginning, and " ends " button becomes effectively, reaches automatically end behind the 60s working time.
7, click " returning main window " button, return main interface, click " data are checked and the printed " button at main interface, can inquire about and print required test data.
8, after test is finished, withdraw from software, shut down computer and single-phase variable-frequency power sources deenergization, repairing experiment frame.
What should be understood that is: above-described embodiment 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 (8)
1. the unloaded and locked rotor characteristic test macro of hand held electric tool, comprise control system (2), locked rotor characteristic test stand (3,4) and no-load characteristic test frame (5), described control system (2) and described locked rotor characteristic test stand (3,4) and no-load characteristic test frame (5) be electrically connected, it is characterized in that:
Described control system (2) comprises test circuit, control circuit and display, and described control circuit is electrically connected with described test circuit and display;
Described no-load characteristic test frame (5) comprises frame (501) and upper mounting plate (504), described upper mounting plate (504) is provided with the essentially identical clamp device of a pair of structure, described each clamp device comprises base plate (507), described base plate (507) is provided with a pair of V-type push-down head (508) and a riser (514), described riser (514) is provided with compressing fixture, and described compressing fixture is provided with seaming chuck (509); Shaft extension end in the below of upper mounting plate (504) over against sample is provided with knotmeter (516,517);
Described locked rotor characteristic test stand comprises device for measuring force (6), workbench sample fixed mechanism (7) and frame (10), described workbench sample fixed mechanism (7) comprises working plate (701), a pair of sample fixed head (702), base (711), riser (706), V-type seaming chuck (707), lower V-type pressure head (709) and compressing fixture (708), described a pair of sample fixed head (702) and base (711) are arranged on the described working plate (701), described riser (706) is arranged on the described base (711), described compressing fixture (708) is arranged on the described riser (706), and described V-type seaming chuck (707) is arranged on the described compressing fixture (708).
2. the unloaded and locked rotor characteristic test macro of hand held electric tool as claimed in claim 1, it is characterized in that described locked rotor characteristic test stand (3,4) and the compressing fixture of no-load characteristic test frame (5) have essentially identical structure, comprise handle (513), first connecting rod (511) and second connecting rod (512), described first connecting rod (511) one ends are coupling at corresponding riser (514,706) on, the corresponding seaming chuck (509 of another termination, 707), described second connecting rod (512) one ends and handle (513) are coupling, and the other end and first connecting rod (511) are coupling.
3. the unloaded and locked rotor characteristic test macro of hand held electric tool as claimed in claim 2 is characterized in that described each seaming chuck (509,707) is connected with corresponding compressing fixture by screw rod, and is provided with setting nut (510) at the screw rod end.
4. the unloaded and locked rotor characteristic test macro of hand held electric tool as claimed in claim 1, the workbench sample fixed mechanism (7) that it is characterized in that described locked rotor characteristic test stand (4) adopts adjustable connection between base wherein (711) and the working plate (701), between sample fixed head (702) and the working plate (701); Be provided with the first fastening handle (704) at sample fixed head (702).
5. the unloaded and locked rotor characteristic test macro of hand held electric tool as claimed in claim 4 is characterized in that also being provided with for the second fastening handle (703) spacing to sample in described sample fixed head (702) upper end.
6. the unloaded and locked rotor characteristic test macro of hand held electric tool as claimed in claim 1, it is characterized in that also being provided with on the described locked rotor characteristic test stand (4) workbench horizontal adjustment actuating mechanism (8), described workbench horizontal adjustment actuating mechanism (8) comprises carriage dull and stereotyped (801), sliding block (802), sliding block screw mandrel (806), the first slide block transmission nut (809), middle slide block (808), the second slide block transmission nut (811), top shoe screw mandrel (813), top shoe (810), screw mandrel fixed block (812), front and back control hand wheel (807) and left and right adjusting handwheel (815), described carriage dull and stereotyped (801) is fixed on the described frame (10), described sliding block (802) is fixed on the described carriage dull and stereotyped (801), described the first slide block transmission nut (809) is arranged on the bottom surface of described middle slide block (808), described sliding block screw mandrel (806) passes the through hole on the sliding block and is connected with described the first slide block transmission nut (809), and described front and back control hand wheels (807) are arranged on the end of lower skateboard screw mandrel (806); Described middle slide block (808) bottom is provided with long rails, top is provided with cross track, described sliding block (802) is arranged in the long rails of middle slide block (808), described top shoe (810) is arranged in the cross track of middle slide block (808), described the second slide block transmission nut (811) is arranged on the upper surface of described middle slide block (808), described screw mandrel fixed block (812) is arranged on the side of top shoe (810), described top shoe screw mandrel (813) cooperates with described the second slide block transmission nut (811) after passing screw mandrel fixed block (812), and described left and right adjusting handwheel (815) is arranged on the end of the second slide block transmission nut (811); The working plate (701) of described workbench sample fixed mechanism (7) is fixed on the described top shoe (810).
7. the unloaded and locked rotor characteristic test macro of hand held electric tool as claimed in claim 1, it is characterized in that also being provided with on the described locked rotor characteristic test stand (4) up and down adjusting mechanism (9) of workbench, described workbench up and down adjusting mechanism (9) comprises carriage dull and stereotyped (901), column (903), column clamping block (911), load lower platform base plate (912), worm gear (919), worm screw (917) and screw rod (910), described column (903) top connects described carriage dull and stereotyped (901), the upper set through hole of load lower platform base plate (912) is passed in the bottom, and can in through hole, move up and down, the column (903) that described column clamping block (911) is arranged on the load lower platform base plate (912) is located, described worm gear (919) is arranged on the load lower platform base plate (912), described screw rod (910) bottom is arranged on the worm gear (919), the top overhead is in dull and stereotyped (901) bottom surface of carriage, the relative configuration with described worm gear (919) of described worm screw (917), and by handwheel (915) or motor (902) transmission; Described carriage dull and stereotyped (901) is connected with workbench sample fixed mechanism (7) or workbench horizontal adjustment actuating mechanism (8).
As the unloaded and locked rotor characteristic test macro of any one described hand held electric tool of claim 1-7, it is characterized in that described locked rotor characteristic test stand (3,4) be 1 arrive a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010579163 CN102128992B (en) | 2010-12-08 | 2010-12-08 | Test system for no-load and locked-rotor characteristics of handheld electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010579163 CN102128992B (en) | 2010-12-08 | 2010-12-08 | Test system for no-load and locked-rotor characteristics of handheld electric tool |
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| Publication Number | Publication Date |
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| CN102128992A CN102128992A (en) | 2011-07-20 |
| CN102128992B true CN102128992B (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010579163 Active CN102128992B (en) | 2010-12-08 | 2010-12-08 | Test system for no-load and locked-rotor characteristics of handheld electric tool |
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| CN108469349A (en) * | 2018-06-29 | 2018-08-31 | 金华尤创自动化科技有限公司 | Four axis robot of full-automatic electric tool performance testing |
| CN110108968B (en) * | 2019-06-18 | 2023-10-20 | 上海字含玫技术开发有限公司 | Automatic functional inspection platform for integrated electric drive system |
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| US5440915A (en) * | 1994-09-09 | 1995-08-15 | Storar; Robert C. | Method and apparatus for measuring friction torque |
| CN2755621Y (en) * | 2004-11-17 | 2006-02-01 | 刘润海 | Electric motor lock-testing table |
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| CN102128992A (en) | 2011-07-20 |
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