CN102095593B - System for testing load durability of handheld electric tool and special test rack thereof - Google Patents
System for testing load durability of handheld electric tool and special test rack thereof Download PDFInfo
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- CN102095593B CN102095593B CN 201010579364 CN201010579364A CN102095593B CN 102095593 B CN102095593 B CN 102095593B CN 201010579364 CN201010579364 CN 201010579364 CN 201010579364 A CN201010579364 A CN 201010579364A CN 102095593 B CN102095593 B CN 102095593B
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Abstract
The invention discloses a system for testing the load durability of a handheld electric tool. The system comprises a control system, an electric drill load durability multi-purpose test rack, an angle grinder load durability multi-purpose test rack and a cooling system, and is characterized in that: the control system comprises a test circuit, a control circuit and a display; the electric drill load durability multi-purpose test rack comprises a loading device, a working platform test sample fixing mechanism and a stand; the working platform test sample fixing mechanism comprises an experimental platform, a clamping device base, a lower V-shaped pressure head, a clamping device upright board, a pressing clamp, a pair of clamping supporting bases, a right clamping support, a left clamping support, a pair of first fastening handles, a second fastening handle, a connecting rod and an upper V-shaped pressure head; and the cooling system is connected with the loading device of the electricdrill load durability multi-purpose test rack. The system for testing the load durability of the handheld electric tool has high test efficiency and high measurement precision, occupies small space, and is low in manufacturing cost.
Description
Technical field
The present invention relates to the proving installation of hand held electric tool, specifically a kind of hand held electric tool load durable test system and special-purpose test stand thereof.
Background technology
Hand held electric tool mainly comprises electric drill class and angle mill class two big classes, and national standard all has specific requirement to time and the load size of the zero load of hand held electric tool, load, shutdown.At present the test of this two series products is carried out in different test macros respectively, plant factor is not high, and it is big to take up room.In addition, because hand held electric tool is of a great variety, comprise electric hammer, common electric drill, electric impact drill and electric pick etc. as electric drill class instrument, angle mill class instrument comprises sanding machine, buffing machine and sander etc., and the test stand in the existing test macro, adopt fixedly tested sample of conventional universal fixturing, need install various cushion blocks to different samples additional usually, 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 the inaccurate of test findings because of fixing unreliable simultaneously.
Summary of the invention
The present invention will solve is that the test of the inhomogeneity product that exists of prior art is carried out in different test macros respectively, thereby cause plant factor not high, and the big problem that takes up room aims to provide a kind of hand held electric tool load durable test system with comprehensive function.
What the present invention also will solve is the fixing unreliable and inconvenient problem of general specimen holder that prior art exists, and aims to provide a kind of omnipotent test stand of special use, and the hand held electric tool load durable test system that adopts this omnipotent test stand.
For addressing the above problem, the present invention is by the following technical solutions: hand held electric tool load durable test system, comprise that how control system, electric drill class load permanance use test stand and cooling system with test stand, angle mill class load permanance more, is characterized in that:
Described control system comprises test circuit, control circuit and display;
Described electric drill class load permanance is many to comprise charger, workbench sample fixed mechanism and frame with test stand, and described workbench sample fixed mechanism comprises experiment porch, clamp device base, following V-type pressure head, grip device riser, compressing fixture, a pair of clamping base for supporting, clamps supports right, clamps carries left, a pair of first fastening handle, the second fastening handle, linkage assembly and last V-type pressure head; Described clamp device base is arranged on the slide rail of experiment porch, and described V-type pressure head down and grip device riser are fixed on the described clamp device base; The described second fastening Handle axis is connected on the described grip device riser, and described linkage assembly is coupling on the described second fastening handle, and the described V-type pressure head of going up is connected with described linkage assembly by a screw rod; Described a pair of clamping base for supporting is arranged on the slide rail of experiment porch, and the described a pair of first fastening handle, clamping supports right and clamping carries left are separately positioned on the described a pair of clamping base for supporting;
How described cooling system and electric drill class load permanance link to each other with the charger of test stand.
Hand held electric tool load durable test of the present invention system, the load endurancing of electric drill class and angle mill class load endurancing are incorporated in the test macro, control system can be controlled electric drill class load permanance simultaneously and how to use test stand with test stand and angle mill class load permanance more, improved testing efficiency, reduced taking up room of equipment, reduced greatly simultaneously and the manufacturing cost and use cost of equipment.
Carrying out electric drill class load endurancing, just the handle end of sample is fixed on the clamping carries left and clamps between the supports right earlier, the nut of adjusting linkage assembly then makes screw rod arrive suitable height, depress the second fastening handle, make the V-type pressure head push down sample, sample just is fixed between V-type pressure head and the following V-type pressure head like this.Operate very simple.Simultaneously, therefore reliable to fixing of sample because test stand is to make according to the given shape of electric drill class load, be conducive to obtain test data accurately.
Described linkage assembly is physical construction commonly used, a structure the simplest is the double link structure, described linkage assembly comprises first connecting rod and second connecting rod, described first connecting rod one end is coupling on the grip device riser, the other end connects the V-type pressure head, described second connecting rod one end and the second fastening handle are coupling, and the other end and first connecting rod are coupling.
Further improve as the present invention, described clamping supports right and clamping carries left upper end also are provided with the 3rd fastening handle.During installation, locate after the handle of sample being passed the handlebar of the 3rd fastening handle, can further improve the reliability of location.
Further improve again as the present invention, described electric drill class load permanance is many also to comprise the workbench horizontal adjusting mechanism with test stand, described workbench horizontal adjustment actuating mechanism comprises the carriage flat board, 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, the front and back control hand wheel, middle experiment platform 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, the described first slide block transmission nut is arranged on the bottom surface of described middle slide block, described sliding block screw mandrel is connected with the described first slide block transmission nut after passing the through hole of offering on the sliding block, and described front and back control hand wheel is arranged on the end of sliding block screw mandrel; Slide block is arranged in the long rails of sliding block in described, described top shoe is arranged in the cross track of middle slide block, the described 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, the described second slide block transmission nut cooperates with 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 middle experiment platform is fixed on the top shoe and with the workbench sample fixed mechanism of middle experiment platform top and fixes.
Rotate the left and right adjusting handwheel, the cross track move left and right of slide block can be carried out the adjustment of left and right directions to workbench sample fixed mechanism in the top shoe edge.Control hand wheel before and after rotating, middle slide block moves forward and backward along the long rails of sliding block, can carry out the adjustment of fore-and-aft direction to workbench sample fixed mechanism.
Further improve again as the present invention, described electric drill class load permanance is many also to comprise workbench adjusting mechanism up and down with test stand, described workbench adjusting mechanism up and down comprises the carriage flat board, column, the column clamping block, load lower platform base plate, worm gear, worm screw and screw rod, described column top connects described carriage flat board, 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 transmission.
Described workbench sample fixed mechanism can directly be fixed on the described carriage flat board.In the structure of workbench horizontal adjusting mechanism, can earlier workbench sample fixed mechanism be fixed on the semipilot platform of workbench horizontal adjusting mechanism, again with workbench up and down the carriage flat board of adjusting mechanism be fixed to workbench up and down on the carriage flat board of adjusting mechanism.
Rotate handwheel or open motor power, drive the worm screw rotation, screw rod rises or descends, and the carriage flat board also rises thereupon or descends, thereby regulates workbench sample fixed mechanism upper-lower position.
Further improve again as the present invention, mill class load permanance in angle of the present invention is many to comprise support body, loader, support, working plate, main protection cover and clamp device with test stand, described working plate is arranged on the support body, offer the elongated slot of placing angle grinding machine disk near the clamp device place on the described working plate, described support is arranged on the working plate below, described loader is arranged on the described support, and described main protection cover and clamp device are arranged on the working plate; Described clamp device comprises the anchor clamps base plate, the anchor clamps back vertical plate, pair of L type anchor clamps side plate, a pair of V-type chuck, a pair of screw knob, V-type anchor clamps header board, a pair of screw rod, pressing plate and a pair of abnormity nut, described anchor clamps base plate is arranged on the described working plate, described anchor clamps back vertical plate, L type anchor clamps side plate and V-type anchor clamps header board are arranged on the described anchor clamps base plate, described a pair of screw knob is separately positioned on the riser of pair of L type anchor clamps side plate, described a pair of V-type chuck is arranged on the termination of described a pair of screw knob in opposite directions, described a pair of screw rod hangs down and puts on described V-type anchor clamps header board, described pressing plate is sleeved on the described a pair of screw rod, and described a pair of abnormity nut is set in the upper end of described a pair of screw rod.
Before the installation, earlier screw out two abnormity nuts from a pair of screw rod, take out pressing plate, then the sample head is placed downwards in the space that anchor clamps back vertical plate, L type anchor clamps side plate and V-type anchor clamps header board surround, and make the disk of sample place elongated slot; Regulating screw knob moves to the inside until the handle part that clamps sample a pair of V-type chuck; Put pressing plate, screw two abnormity nuts and make pressing plate clamp the head of sample.Regulate the pressure that contacts of loader and specimen disk, the load size that can regulate sample.Because above-mentioned clamp device is to make according to the given shape of electric mill class load, therefore very reliable to fixing of sample, be conducive to obtain test data accurately.Simultaneously, operate also very simple and fast, can improve testing efficiency greatly.
Further improve as the present invention, adopt adjustable connection between described anchor clamps base plate and the workbench, between L type anchor clamps side plate base plate and the anchor clamps base plate.A typical embodiment carries out adjustable the connection by elongated slot with bolt-nut assembly between the two.Described a pair of screw rod bottom is provided with hold-down nut, is respectively equipped with support set on it, and pressing plate can not drop when no sample.Be provided with protective cover in described support body one side, the support body bottom is provided with foot wheel.
Description of drawings
Fig. 1 is the structural representation of hand held electric tool load durable test of the present invention system.
Fig. 2 is the structural representation that electric drill class load permanance of the present invention is used test stand more.
Fig. 3 is the structural representation that electric drill class load permanance of the present invention is used the test stand charger more.
Fig. 4 is the structural representation that electric drill class load permanance of the present invention is used test stand workbench sample fixed mechanism more.
Fig. 5 is the structural representation that electric drill class load permanance of the present invention is used test stand workbench horizontal adjusting mechanism more.
Fig. 6 is the explosive view of workbench horizontal adjusting mechanism.
Fig. 7 is that electric drill class load permanance of the present invention is used the test stand workbench structural representation of adjusting mechanism up and down more.
Fig. 8 is the structural representation that electric drill class load permanance of the present invention is used the frame of test stand more.
Fig. 9 is the structural representation that mill class load permanance in angle of the present invention is used test stand more.
To be that angle of the present invention mill class load permanance is many take away structural representation behind the main protection cover with test stand to Figure 10.
Figure 11 is the structural representation that mill class load permanance in angle of the present invention is used the clamp device of test stand more.
Figure 12 is control system circuit block diagram of the present invention.
Figure 13 is the elementary diagram of test macro of the present invention.
Embodiment
With reference to Fig. 1, the present invention by the following technical solutions: hand held electric tool load durable test system comprises how control system 4, pressure regulator 5, electric drill class load permanance use test stand 1 and cooling system 3 with test stand 2, angle mill class load permanance more.
With reference to Fig. 2, how described electric drill class load permanance comprises charger 6, workbench horizontal adjusting mechanism 7, workbench adjusting mechanism 9, workbench sample fixed mechanism 8 and frame 10 up and down with test stand 2.
With reference to Fig. 3, described charger 6 comprises four vertical rods 601, sensor lower platform 602, sensor upper mounting plate 603, support 604 before the sensor, support 605 behind the sensor, load cell 606, sensor set collar 607, sensor cover 608, rolling bearing 609, transition rings 610, protective cover 611 and connector, set gradually described sensor lower platform 602 in the described vertical rod 601, sensor upper mounting plate 603, support before the sensor 604 and sensor after support 605, described load cell 606 by rolling bearing 609 be arranged on support before the sensor 604 and sensor after support on 605; Described transition rings 610 is arranged on the shaft extension end of load cell 606, sets gradually connector cover 612, connector shaft 614 and connector liner 615 on it, and is fixing by screw 613 between connector cover 612 and the transition rings 610.Described sensor cover 608 is arranged on the sensor upper mounting plate 603, and protective cover 611 is arranged on the sensor cover 608.
With reference to Fig. 4, described workbench sample fixed mechanism 8 comprises experiment porch 801, clamp device base 802, following V-type pressure head 803, grip device riser 807, compressing fixture 808, a pair of clamping base for supporting 809, clamps supports right 810, clamps carries left 811, a pair of first fastening handle 813, the second fastening handle 815, the 3rd fastening handle 812, linkage assembly 816 and last V-type pressure head 814; Described clamp device base 802 is arranged on the slide rail of experiment porch 801, described V-type pressure head 803 down is fixed on the described clamp device base 802 by bolt 805, and described grip device riser 807 is fixed on the described clamp device base 802 by bolt 806; The described second fastening handle 815 is coupling on described grip device riser 807, and described linkage assembly 816 is coupling on the described second fastening handle 815, and the described V-type pressure head 814 of going up is connected with described linkage assembly 816 by a screw rod 817; Described a pair of clamping base for supporting 809 is arranged on the slide rail of experiment porch 801, and the described a pair of first fastening handle 813, clamping supports right 810 and clamping carries left 811 are separately positioned on the described a pair of clamping base for supporting 809.The described the 3rd fastening handle 812 is arranged on described clamping supports right 810 and clamps carries left 811 upper ends.
Described linkage assembly 816 comprises first connecting rod and second connecting rod, described first connecting rod one end is coupling on grip device riser 807, the other end connects V-type pressure head 814, and described second connecting rod one end and the second fastening handle 815 are coupling, and the other end and first connecting rod are coupling.
During installation, to clamp carries left 811 side shifting of turning left earlier, the 3rd fastening handlebar is thrown off, the handle of sample is passed the 3rd fastening handlebar, the main part of sample is placed down on the V-type pressure head 803, to clamp carries left 811 mobile the 3rd fastening handlebar 812 that makes of turning right then and insert the through hole that clamps carries left 811 upper ends, and adjust and clamp base for supporting 809 and locate to being fit to press the 3rd fastening handle 812 behind the position.Simultaneously, the nut of adjusting linkage assembly 816 makes screw rod 817 arrive suitable height, depresses the second fastening handle 815, makes V-type pressure head 814 push down sample, and sample just is fixed between V-type pressure head 814 and the following V-type pressure head 803 like this.
With reference to Fig. 5, Fig. 6, described workbench horizontal adjustment actuating mechanism 7 comprises carriage flat board 701, sliding block 702, sliding block screw mandrel 703, the first slide block transmission nut 704, middle slide block 705, the second slide block transmission nut 716, top shoe screw mandrel 717, top shoe 708, screw mandrel fixed block 709, front and back control hand wheel 710, middle experiment platform 711 and left and right adjusting handwheel 715, described carriage flat board 701 is fixed on the described frame 10, described sliding block 702 is fixed on the described carriage flat board 701, the described first slide block transmission nut 704 is arranged on the bottom surface of described middle slide block, described sliding block screw mandrel 703 is connected with the described first slide block transmission nut 704 after passing the through hole of offering on the sliding block, and described front and back control hand wheel 710 is arranged on the end of sliding block screw mandrel 703; Slide block 706 is arranged in the long rails of sliding block 702 in described, described top shoe 708 is arranged in the cross track of middle slide block 706, the described second slide block transmission nut 716 is arranged on the upper surface of described middle slide block, described screw mandrel fixed block 709 is arranged on the side of top shoe 708, the described second slide block transmission nut 716 passes screw mandrel fixed block 709 backs and cooperates with the second slide block transmission nut 716, and described left and right adjusting handwheel 715 is arranged on the end of the second slide block transmission nut 716; Described middle experiment platform 711 is fixed on the top shoe 708, and fixes with the workbench sample fixed mechanism 8 of its top by bolt 714 and hinge 712,713.
Rotate left and right adjusting handwheel 715, the cross track move left and right of slide block 706 can be carried out the adjustment of left and right directions to workbench sample fixed mechanism 8 in top shoe 708 edges.Control hand wheel 710 before and after rotating, middle slide block 706 along workbench up and down the long rails of adjusting mechanism 9 sliding blocks 702 move forward and backward, can carry out the adjustment of fore-and-aft direction to workbench sample fixed mechanism 8.
With reference to Fig. 7, described workbench adjusting mechanism 9 up and down comprises carriage flat board 901,4 columns 903,4 column clamping blocks 911, load lower platform base plate 912, worm gear 916, 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, which is provided with fastening handle 914, described worm gear 916 thrust bearings 909 are arranged on the load lower platform base plate 912, described screw rod 910 bottoms are arranged on the worm gear 916, the top overhead is in the center of dull and stereotyped 901 bottom surfaces of carriage, described worm screw 917 and described worm gear 916 relative configurations, one end is connected with handwheel 915 by connecting link 913, and the other end is by gear 906,905 are connected with drive motor 902.Column 903 is provided with linear bearing 904 with the junction of load lower platform base plate 912, and the two end supports of described worm screw 917 is on band plummer block housing bearing 907.Carriage dull and stereotyped 901 and the workbench carriage dull and stereotyped 701 of adjusting mechanism 9 are up and down fixed.
Rotate handwheel 915 or open motor power, drive worm screw 917 rotations, screw rod 910 rises or descends, carriage flat board 901 also rises thereupon or descends, thereby adjusting mechanism 9 and workbench sample fixed mechanism move up and down about the drive workbench, and then regulate workbench sample fixed mechanism upper-lower position.
With reference to Fig. 8, described frame 10 constitutes column 1001 by four No. 350 shaped steel, constitutes lower frame 1002 by 4 No. 870 shaped steel, constitutes 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 frame 1002 and the column 1001, between upper frame 1003 and the column 1001.One side of upper frame 1003 is provided with control and tears box 1005 open, and lower frame 1002 bottoms are provided with foot wheel 1007.
With reference to Fig. 9, Figure 10; how described angle mill class load permanance comprises support body 101, loader 102, support 103, working plate 104, main protection cover 119 and clamp device with test stand 1; described working plate 104 is arranged on the support body 101; offer the elongated slot 119 of placing angle grinding machine disk near the clamp device place on the described working plate 104; described support 103 is arranged on working plate 104 belows; described loader 102 is arranged on the described support 103, and described main protection cover 119 and clamp device are arranged on the working plate 104.
With reference to Figure 11, described clamp device comprises anchor clamps base plate 105, anchor clamps back vertical plate 107, pair of L type anchor clamps side plate, a pair of V-type chuck 110, a pair of screw knob 112, V-type anchor clamps header board 106, a pair of screw rod 120, pressing plate 123 and a pair of abnormity nut 124, described anchor clamps base plate 105 is arranged on the described working plate 104, and described anchor clamps back vertical plate 107, L type anchor clamps side plate and V-type anchor clamps header board 106 are arranged on the described anchor clamps base plate 105.
Described a pair of screw knob 112 is separately positioned in the elongated slot of offering on the riser 109 of pair of L type anchor clamps side plate, and the both sides that are positioned at riser 109 on the screw knob 112 are respectively equipped with little pullover 111 and nut 118, and screwing nut 118 can retaining thread knob 112.Described a pair of V-type chuck 110 is arranged on the termination of described a pair of screw knob 112 in opposite directions, described a pair of screw rod 120 hangs down and puts on described V-type anchor clamps header board 106, described pressing plate 123 is sleeved on the described a pair of screw rod 120, and described a pair of abnormity nut 124 is set in the upper end of described a pair of screw rod 120.
Adopt adjustable connection between described anchor clamps base plate 105 and the workbench 104, between L type anchor clamps side plate base plate 108 and the anchor clamps base plate 105.A typical embodiment carries out adjustable the connection by elongated slot with bolt-nut assembly 116 between the two.Described a pair of screw rod 120 bottoms are provided with hold-down nut 121, are respectively equipped with support set 122 on it, and pressing plate 123 can not drop when no sample.Be provided with protective cover 113 in described support body 1 one sides, support body 1 bottom is provided with foot wheel 115.
Before the installation, screw out two abnormity nuts 124 from a pair of screw rod 120 earlier, take out pressing plate 123; Simultaneously, regulating screw knob moves a pair of V-type chuck 110 laterally; Then the sample head is placed downwards in the space that anchor clamps back vertical plate 107, L type anchor clamps side plate and V-type anchor clamps header board 106 surround, and make the disk of sample place elongated slot 119; Regulating screw knob 112 moves to the inside until the handle part that clamps sample a pair of V-type chuck 110; Put pressing plate 123, screw two abnormity nuts 124 and make pressing plate 123 clamp the head of sample.Regulate the pressure that contacts of loader and specimen disk, the load size that can regulate sample.
With reference to Figure 12, Figure 13, described control system 4 comprises test circuit, control circuit and display, and the voltage of test circuit and control circuit can be regulated by external regulator and obtain, and also can directly produce by control circuit is inner.How described cooling system links to each other with the charger of test stand by pipeline and electric drill class load permanance, and circulation in forming.
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 (12)
1. hand held electric tool load durable test system comprises that control system (4), electric drill class load permanance use test stand (2), angle mill class load permanance to use test stand (1) and cooling system (3) more more, it is characterized in that:
Described control system (4) comprises test circuit, control circuit and display;
Described electric drill class load permanance uses test stand (2) to comprise charger (6) more, workbench sample fixed mechanism (8) and frame (10), described workbench sample fixed mechanism (8) comprises experiment porch (801), clamp device base (802), following V-type pressure head (804), grip device riser (807), compressing fixture (808), a pair of clamping base for supporting (809), clamp supports right (810), clamp carries left (811), the a pair of first fastening handle (813), the second fastening handle (815), linkage assembly (816) and last V-type pressure head (814); Described clamp device base (802) is arranged on the slide rail of experiment porch (801), and described V-type pressure head (804) down and grip device riser (807) are fixed on the described clamp device base (802); The described second fastening handle (815) is coupling on described grip device riser (807), described linkage assembly (816) is coupling on the described second fastening handle (815), and the described V-type pressure head (814) of going up is connected with described linkage assembly (816) by a screw rod (817); Described a pair of clamping base for supporting (809) is arranged on the slide rail of experiment porch (801), and the described a pair of first fastening handle (813), clamping supports right (810) and clamping carries left (811) are separately positioned on the described a pair of clamping base for supporting (809);
Described cooling system (3) uses the charger (6) of test stand to link to each other with electric drill class load permanance more.
2. hand held electric tool load durable test as claimed in claim 1 system, it is characterized in that described linkage assembly (816) comprises first connecting rod and second connecting rod, described first connecting rod one end is coupling on grip device riser (807), the other end connects V-type pressure head (804), described second connecting rod one end and the second fastening handle (815) are coupling, and the other end and first connecting rod are coupling.
3. hand held electric tool load durable test as claimed in claim 1 system is characterized in that described clamping supports right (810) and clamps carries left (811) upper end also being provided with the 3rd fastening handle (812).
4. hand held electric tool load durable test as claimed in claim 1 system, it is characterized in that described electric drill class load permanance uses test stand (2) also to comprise workbench horizontal adjusting mechanism (7) more, described workbench horizontal adjustment actuating mechanism (7) comprises carriage flat board (701), sliding block (702), sliding block screw mandrel (703), the first slide block transmission nut (704), middle slide block (705), the second slide block transmission nut (716), top shoe screw mandrel (717), top shoe (708), screw mandrel fixed block (709), front and back control hand wheel (710), middle experiment platform (711) and left and right adjusting handwheel (715), described carriage flat board (701) is fixed on the described frame (10), described sliding block (702) is fixed on the described carriage flat board (701), the described first slide block transmission nut (704) is arranged on the bottom surface of described middle slide block (705), described sliding block screw mandrel (703) is connected with the described first slide block transmission nut (704) after passing the through hole of offering on the sliding block, and described front and back control hand wheels (710) are arranged on the end of sliding block screw mandrel (703); Slide block (706) is arranged in the long rails of sliding block (702) in described, described top shoe (708) is arranged in the cross track of middle slide block (706), the described second slide block transmission nut (716) is arranged on the upper surface of described middle slide block (705), described screw mandrel fixed block (709) is arranged on the side of top shoe (708), the described second slide block transmission nut (716) passes screw mandrel fixed block (709) back and cooperates with the second slide block transmission nut (716), and described left and right adjusting handwheel (715) is arranged on the end of the second slide block transmission nut (716); Described middle experiment platform (711) is fixed on top shoe (708) upward and is fixing with the workbench sample fixed mechanism (8) of middle experiment platform (711) top.
5. as any one described hand held electric tool load durable test system of claim 1-4, it is characterized in that described electric drill class load permanance uses test stand (2) also to comprise up and down adjusting mechanism (9) of workbench more, described workbench adjusting mechanism (9) up and down comprises carriage flat board (901), column (903), column clamping block (911), load lower platform base plate (912), worm gear (916), worm screw (917) and screw rod (910), described column (903) top connects described carriage flat board (901), the bottom is passed load lower platform base plate (912) and is gone up set through hole, 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 (916) is arranged on the load lower platform base plate (912), described screw rod (910) bottom is arranged on the worm gear (916), the top overhead is in carriage flat board (901) bottom surface, the relative configuration with described worm gear (916) of described worm screw (917), and by handwheel (915) or motor (902) transmission; Described carriage flat board (901) is connected with workbench sample fixed mechanism (8) or workbench horizontal adjusting mechanism (7).
6. hand held electric tool load durable test as claimed in claim 1 system, it is characterized in that described angle mill class load permanance uses test stand (1) to comprise support body (101) more, loader (102), support (103), working plate (104), main protection cover (119) and clamp device, described working plate (104) is arranged on the support body (101), described working plate (104) is gone up near the clamp device place and is offered the elongated slot (114) of placing angle grinding machine disk, described support (103) is arranged on working plate (104) below, described loader (102) is arranged on the described support (103), and described main protection cover (119) and clamp device are arranged on the working plate (104); Described clamp device comprises anchor clamps base plate (105), anchor clamps back vertical plate (107), pair of L type anchor clamps side plate, a pair of V-type chuck (110), a pair of screw knob (112), V-type anchor clamps header board (106), a pair of screw rod (120), pressing plate (123) and a pair of abnormity nut (124), described anchor clamps base plate (105) is arranged on the described working plate (104), described anchor clamps back vertical plate (107), L type anchor clamps side plate and V-type anchor clamps header board (106) are arranged on the described anchor clamps base plate (105), described a pair of screw knob (112) is separately positioned on the riser (109) of pair of L type anchor clamps side plate, described a pair of V-type chuck (110) is arranged on the termination of described a pair of screw knob (112) in opposite directions, described a pair of screw rod (120) hangs down and puts on described V-type anchor clamps header board (106), described pressing plate (123) is sleeved on the described a pair of screw rod (120), and described a pair of abnormity nut (124) is set in the upper end of described a pair of screw rod (120).
7. hand held electric tool load durable test as claimed in claim 6 system is characterized in that between described anchor clamps base plate (105) and the workbench (104), adopts adjustable connection between L type anchor clamps side plate base plates (108) and the anchor clamps base plate (105).
8. as claim 6 or 7 described hand held electric tool load durable test systems, it is characterized in that described a pair of screw rod (120) bottom is provided with hold-down nut (121), is respectively equipped with support set (122) on it.
9. hand held electric tool load durable test as claimed in claim 7 system is characterized in that being provided with protective cover (113) in described support body (101) one sides, and support body (101) bottom is provided with foot wheel (115).
10. electric drill class load permanance is used test stand more, comprise charger (6), workbench sample fixed mechanism (8) and frame (10), described workbench sample fixed mechanism (8) comprises experiment porch (801), clamp device base (802), following V-type pressure head (804), grip device riser (807), compressing fixture (808), a pair of clamping base for supporting (809), clamp supports right (810), clamp carries left (811), the a pair of first fastening handle (813), the second fastening handle (815), linkage assembly (816) and last V-type pressure head (814); Described clamp device base (802) is arranged on the slide rail of experiment porch (801), and described V-type pressure head (804) down and grip device riser (807) are fixed on the described clamp device base (802); The described second fastening handle (815) is coupling on described grip device riser (807), described linkage assembly (816) is coupling on the described second fastening handle (815), and the described V-type pressure head (814) of going up is connected with described linkage assembly (816) by a screw rod (817); Described a pair of clamping base for supporting (809) is arranged on the slide rail of experiment porch (801), and the described a pair of first fastening handle (813), clamping supports right (810) and clamping carries left (811) are separately positioned on the described a pair of clamping base for supporting (809); Described linkage assembly (816) comprises first connecting rod and second connecting rod, described first connecting rod one end is coupling on grip device riser (807), the other end connects V-type pressure head (804), described second connecting rod one end and the second fastening handle (815) are coupling, and the other end and first connecting rod are coupling; Described clamping supports right (810) and clamping carries left (811) upper end also are provided with the 3rd fastening handle (812).
11. electric drill class load permanance as claimed in claim 10 is used test stand more, it is characterized in that described workbench sample fixed mechanism (8) is arranged on the workbench horizontal adjusting mechanism (7), described workbench horizontal adjustment actuating mechanism (7) comprises carriage flat board (701), sliding block (702), sliding block screw mandrel (703), the first slide block transmission nut (704), middle slide block (705), the second slide block transmission nut (716), top shoe screw mandrel (717), top shoe (708), screw mandrel fixed block (709), front and back control hand wheel (710), middle experiment platform (711) and left and right adjusting handwheel (715), described carriage flat board (701) is fixed on the described frame (10), described sliding block (702) is fixed on the described carriage flat board (701), the described first slide block transmission nut (704) is arranged on the bottom surface of described middle slide block (705), described sliding block screw mandrel (703) is connected with the described first slide block transmission nut (704) after passing the through hole of offering on the sliding block, and described front and back control hand wheels (710) are arranged on the end of sliding block screw mandrel (703); Slide block (706) is arranged in the long rails of sliding block (702) in described, described top shoe (708) is arranged in the cross track of middle slide block (706), the described second slide block transmission nut (716) is arranged on the upper surface of described middle slide block (705), described screw mandrel fixed block (709) is arranged on the side of top shoe (708), the described second slide block transmission nut (716) passes screw mandrel fixed block (709) back and cooperates with the second slide block transmission nut (716), and described left and right adjusting handwheel (715) is arranged on the end of the second slide block transmission nut (716); Described middle experiment platform (711) is fixed on top shoe (708) upward and is fixing with the workbench sample fixed mechanism (8) of middle experiment platform (711) top.
12. electric drill class load permanance as claimed in claim 11 is used test stand more, it is characterized in that workbench horizontal adjusting mechanism (7) is arranged on a workbench up and down on the adjusting mechanism (9), described workbench adjusting mechanism (9) up and down comprises carriage flat board (901), column (903), column clamping block (911), load lower platform base plate (912), worm gear (916), worm screw (917) and screw rod (910), described column (903) top connects described carriage flat board (901), the bottom is passed load lower platform base plate (912) and is gone up set through hole, 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 (916) is arranged on the load lower platform base plate (912), described screw rod (910) bottom is arranged on the worm gear (916), the top overhead is in carriage flat board (901) bottom surface, the relative configuration with described worm gear (916) of described worm screw (917), and by handwheel (915) or motor (902) transmission; Described carriage flat board (901) is connected with workbench sample fixed mechanism (8) or workbench horizontal adjusting mechanism (7).
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| CN 201010579364 CN102095593B (en) | 2010-12-08 | 2010-12-08 | System for testing load durability of handheld electric tool and special test rack thereof |
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| CN 201010579364 CN102095593B (en) | 2010-12-08 | 2010-12-08 | System for testing load durability of handheld electric tool and special test rack thereof |
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| CN104569679B (en) * | 2015-01-07 | 2017-11-28 | 江苏大学 | A kind of unloaded Durable test system of electric tool and garden instrument |
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| CN108444742A (en) * | 2018-03-30 | 2018-08-24 | 莱茵技术（上海）有限公司 | A kind of power hand tool performance testing device |
| CN108919111B (en) * | 2018-08-20 | 2024-03-22 | 浙江皇冠电动工具制造有限公司 | Dustproof testing arrangement of many kinds of electric tool switches that are applicable to |
| CN109540012B (en) * | 2018-12-29 | 2024-05-14 | 浙江皇冠电动工具制造有限公司 | Comprehensive performance testing machine for angle grinder |
| CN112255111B (en) * | 2020-09-14 | 2023-04-14 | 中国航发北京航空材料研究院 | Miniature loading device for DVC method test under ultralow temperature condition |
| CN113155494A (en) * | 2020-12-31 | 2021-07-23 | 金华职业技术学院 | Intelligent working condition test platform for electric tool |
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