CN104359663A - Mechanical life testing device for molded case circuit breakers - Google Patents

Mechanical life testing device for molded case circuit breakers Download PDF

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Publication number
CN104359663A
CN104359663A CN201410634474.1A CN201410634474A CN104359663A CN 104359663 A CN104359663 A CN 104359663A CN 201410634474 A CN201410634474 A CN 201410634474A CN 104359663 A CN104359663 A CN 104359663A
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CN
China
Prior art keywords
screw mandrel
breaker
plate
plastic casing
mechanical life
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Granted
Application number
CN201410634474.1A
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Chinese (zh)
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CN104359663B (en
Inventor
刘海林
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ZHEJIANG HUAYAO ELECTRIC TECHNOLOGY Co.,Ltd.
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刘海林
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Priority to CN201410634474.1A priority Critical patent/CN104359663B/en
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Publication of CN104359663B publication Critical patent/CN104359663B/en
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Abstract

The invention relates to a mechanical life testing device for molded case circuit breakers. The mechanical life testing device comprises a self-locking lifting mechanism. A molded case circuit breaker can be laid on a laying plate of the self-locking lifting mechanism, a releasing testing mechanism is mounted on the top of the molded case circuit breaker, and a crank and slider mechanism is mounted at an end of the self-locking lifting mechanism. The mechanical life testing device has the advantages that a lead screw of the self-locking lifting mechanism is matched with support arms, so that the test piece laid on the laying plate can be freely lifted to reach a proper position; opening and closing operation on an opening and closing handle can be carried out by a crank connecting rod mechanism of the crank and slider mechanism; a cylinder of the releasing testing mechanism can be pushed, so that a button contact bar can be driven to press a releasing reset button for resetting; the mechanical life testing device is applicable to detecting the mechanical lives of the molded case circuit breakers with different dimensions, full-automatic detection work can be implemented, the molded case circuit breakers can be tested in flat lying or upright states, and the mechanical life testing device is high in efficiency and low in cost.

Description

Breaker of plastic casing mechanical life test device
Technical field
The present invention relates to proving installation technical field, especially a kind of proving installation detecting breaker of plastic casing mechanical life.
Background technology
In development & production breaker of plastic casing process, the divide-shut brake number of times of product is always one of important parameter of its product, and existing detection mode is usually by manual measurement record data, and labour intensity is large, and the data precision is low, and testing result is unreliable; Moreover, development & production to mould shell open circuit various in style, diversified in specifications, common proving installation is difficult to the detection of the breaker of plastic casing meeting different size different performance.
Summary of the invention
The applicant is for the shortcoming in above-mentioned existing production technology, a kind of breaker of plastic casing mechanical life test device rational in infrastructure is provided, thus fully-automated synthesis work can be realized, go for different size breaker of plastic casing life tests, and can lie low or uprightly test, efficiency is high, and cost is low.
The technical solution adopted in the present invention is as follows:
A kind of breaker of plastic casing mechanical life test device, comprises self-locking elevator structure, the mounting sheet of self-locking elevator structure lays breaker of plastic casing, and dropout mechanism for testing is installed at described breaker of plastic casing top, and slider-crank mechanism is installed in described self-locking elevator structure end.
Further improvement as technique scheme:
The structure of described self-locking elevator structure is as follows: comprise spaced two push pedals, perpendicular linear axis is installed respectively by the first orienting lug in described push pedal two ends, screw mandrel mounting blocks is connected with respectively in the middle part of two push pedals, in described screw mandrel mounting blocks, screw mandrel is installed, screw mandrel bearing is installed in described screw mandrel one end, and the described screw mandrel other end installs the second spiral gear; Sway brace bearing is installed in push pedal between described screw mandrel mounting blocks and the first orienting lug, described sway brace bearing is mounted opposite two pairs of sway braces, described sway brace top connects support mounting blocks, mounting sheet is installed on described support mounting blocks top, perpendicular cant board is installed at described mounting sheet two ends respectively, described mounting sheet four right angle arrange the axis of guide of setting respectively, adjustment axle is set between the described axis of guide, be provided with the first spiral gear engaged with the second spiral gear bottom described adjustment axle, described adjustment axle top connects lifting rocking handle;
The cant board being positioned at one end is fixed with handle;
The thread rotary orientation at described screw mandrel two ends is contrary;
Through mounting sheet in the middle part of the described axis of guide, and install guide shaft support respectively at the upper and lower two ends of the axis of guide, described guide shaft support is fixed on cant board; Described screw mandrel one end is fixed on cant board by screw mandrel bearing; Described linear axis two ends are directly fixed on cant board; Described adjustment axle top is arranged on inside cant board by fixed block;
The structure of described slider-crank mechanism is as follows: comprise motor, described motor output end installs reductor, described reductor is fixed on cant board outer end by installing plate, and described output end of reducer installs crank by bearing seat, and described crank end is by L-type oscillating bearing installing connecting rods; Also comprise spaced handle contact plate, described connecting rod is arranged on wherein in the middle part of one handle contact plate by bearing, arc-shaped friction lever is fixed inside described handle contact plate, described handle contact plate two ends are affixed orienting lug respectively, cross through hole is offered, through guide pole in described through hole in the middle part of described orienting lug; Described orienting lug sidepiece offers square groove, is connected to the stroke adjusting lever parallel with guide pole in described square groove;
The structure of described dropout mechanism for testing is as follows: comprise spaced location-plate, described location-plate two ends are separately installed with orienting sleeve, have cross through hole in the middle part of described orienting sleeve, through the transverse axis vertical with location-plate in described cross through hole, described transverse axis two ends are fixed on cant board; Each orienting sleeve arranged outside has opening, and described opening is locked by swing handle; Described location-plate is positioned at below handle contact plate, offers L-type groove inside described location-plate; Described transverse axis is positioned at outside guide pole, transverse axis between two orienting sleeves installs fixture block, described fixture block bottom outside is provided with the first knob, between two fixture blocks, the dropout regulating shaft parallel with location-plate is installed, described dropout regulating shaft is provided with the clamping plate slided along it, described clamping plate is vertically provided with the second knob with horizontal direction, and cylinder is installed at described clamping plate top, the affixed button feeler lever of described cylinder output terminal.
Beneficial effect of the present invention is as follows:
(1) the present invention is by the screw mandrel of self-locking elevator structure and coordinating of sway brace, the test block be placed on mounting sheet freely can be elevated to correct position; Conveniently operating personnel's operation, can by shake lifting rocking handle, and drive below spiral gear running, Helical gear Transmission makes mounting sheet firmly rise or decline to screw mandrel and sway brace place; In order to increase the stationarity of lifting, the axis of guide being set in mounting sheet surrounding and doing and lead up and down;
(2) the present invention can be completed by the toggle of slider-crank mechanism and operate the divide-shut brake of divide-shut brake handle; By the state of adjustment crank and connecting rod, driving handle contact plate reclines the divide-shut brake handle of breaker of plastic casing, is with fixed handle to complete separating brake or feed motion;
(3) the present invention by the location-plate of dropout mechanism for testing can clamping fixed adjustment to the breaker of plastic casing of correct position; Manually adjustment knob and swing handle position test block, and the breaker of plastic casing going for different size specification detects mechanical life; By the promotion of cylinder, drive button contacts bar to press drop-away reset button and reset.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of self-locking elevator structure of the present invention.
Fig. 3 is the structural representation of slider-crank mechanism of the present invention.
Fig. 4 is that the present invention threads off the structural representation of mechanism for testing.
Wherein: 1, slider-crank mechanism; 101, motor; 102, reductor; 103, installing plate; 104, bearing seat; 105, crank; 106, connecting rod; 107, orienting lug; 108, guide pole; 109, stroke adjusting lever; 1010, handle contact plate; 1011, friction lever; 1012, L-type oscillating bearing; 2, dropout mechanism for testing; 201, swing handle; 202, orienting sleeve; 203, transverse axis; 204, location-plate; 205, fixture block; 206, the second knob; 207, dropout regulating shaft; 208, cylinder; 209, clamping plate; 2010, button feeler lever; 3, self-locking elevator structure; 301, rocking handle is elevated; 302, cant board; 303, the axis of guide; 304, axle is adjusted; 305, the first spiral gear; 306, the second spiral gear; 307, push pedal; 308, linear axis; 309, mounting sheet; 3010, mounting blocks is supported; 3011, sway brace; 3012, screw mandrel; 3013, screw mandrel mounting blocks; 3014, screw mandrel bearing; 3015, sway brace bearing; 3016, guide shaft support; 4, breaker of plastic casing; 5, handle.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, the breaker of plastic casing mechanical life test device of the present embodiment, comprise self-locking elevator structure 3, the mounting sheet 309 of self-locking elevator structure 3 lays breaker of plastic casing 4, dropout mechanism for testing 2 is installed at breaker of plastic casing 4 top, slider-crank mechanism 1 is installed in self-locking elevator structure 3 end, self-locking elevator structure 3 is utilized to adjust breaker of plastic casing 4 to correct position, slider-crank mechanism 1 is utilized to aim at the motion of divide-shut brake handle set divide-shut brake, by dropout mechanism for testing 2, reset test is carried out to dropout, every test data is derived by computer system record, finally complete detection, this device goes for 1P-4P, current specification is the life of product test of 1A-1600A.
As shown in Figure 2, the structure of self-locking elevator structure 3 is as follows: comprise spaced two push pedals 307, perpendicular linear axis 308 is installed respectively by the first orienting lug in push pedal 307 two ends, screw mandrel mounting blocks 3013 is connected with respectively in the middle part of two push pedals 307, in screw mandrel mounting blocks 3013, screw mandrel 3012 is installed, screw mandrel bearing 3014 is installed in screw mandrel 3012 one end, screw mandrel 3012 other end installs the second spiral gear 306, the thread rotary orientation at screw mandrel 3012 two ends is contrary, preferably, screw mandrel 3012 can adopt left and right screw thread trapezoidal screw, sway brace bearing 3015 is installed in push pedal 307 between screw mandrel mounting blocks 3013 and the first orienting lug, sway brace bearing 3015 is mounted opposite two pairs of sway braces 3011, sway brace 3011 top connects support mounting blocks 3010, support mounting blocks 3010 top and mounting sheet 309 is installed, perpendicular cant board 302 is installed at mounting sheet 309 two ends respectively, the cant board 302 being positioned at one end is fixed with handle 5, handled easily personnel lay process, mounting sheet 309 4 right angle arrange the axis of guide 303 of setting respectively, the axis of guide 303 can do and lead up and down, increase the stationarity of lifting, adjustment axle 304 is set between the axis of guide 303, the first spiral gear 305 engaged with the second spiral gear 306 is provided with bottom adjustment axle 304, adjustment axle 304 top connects lifting rocking handle 301, the design handled easily human users of lifting rocking handle 301, can by shake lifting rocking handle 301, below the first spiral gear 305 and the second spiral gear 306 is driven to take turns running, this to Helical gear Transmission to screw mandrel 3012, screw mandrel 3012 rotates and drives clamping push pedal 307 inwardly or outwards to slide in the horizontal direction, the sway brace 3011 in clamping push pedal 307 is driven to rise or decline place, mounting sheet 309 is made firmly to rise or decline, in order to further firm integrated model, through mounting sheet 309 in the middle part of the axis of guide 303, and install guide shaft support 3016 respectively at the axis of guide about 303 two ends, guide shaft support 3016 is fixed on cant board 302, screw mandrel 3012 one end is fixed on cant board 302 by screw mandrel bearing 3014, linear axis 308 two ends are directly fixed on cant board 302, adjustment axle 304 top is arranged on inside cant board 302 by fixed block, and thus, this proving installation can to lie low test by standing state, also can rotate 90 degree and uprightly test.
As shown in Figure 3, the structure of slider-crank mechanism 1 is as follows: comprise motor 101, motor 101 output terminal installs reductor 102, reductor 102 is fixed on cant board 302 outer end by installing plate 103, reductor 102 output terminal installs crank 105 by bearing seat 104, arranging bearing seat 104 is load capacity in order to increase reductor 102, and crank 105 end is by L-type oscillating bearing 1012 installing connecting rods 106; Also comprise spaced handle contact plate 1010, connecting rod 106 is arranged on wherein in the middle part of one handle contact plate 1010 by bearing, arc-shaped friction lever 1011 is fixed inside handle contact plate 1010, circular-arc-shaped design is adopted to be to fully contact with divide-shut brake handle and being unlikely to damage divide-shut brake handle for friction lever 1011, handle contact plate 1010 two ends are affixed orienting lug 107 respectively, cross through hole is offered, through guide pole 108 in through hole in the middle part of orienting lug 107; Orienting lug 107 sidepiece offers square groove, is connected to the stroke adjusting lever 109 parallel with guide pole 108 in square groove; By the state of adjustment crank 105 with connecting rod 106, driving handle contact plate 1010 reclines the divide-shut brake handle of breaker of plastic casing 4, and band fixed handle completes separating brake or feed motion.
As shown in Figure 4, the structure of dropout mechanism for testing 2 is as follows: comprise spaced location-plate 204, location-plate 204 two ends are separately installed with orienting sleeve 202, cross through hole is had in the middle part of orienting sleeve 202, through the transverse axis 203 vertical with location-plate 204 in cross through hole, transverse axis 203 two ends are fixed on cant board 302; Each orienting sleeve 202 arranged outside has opening, and opening is locked by swing handle 201; Location-plate 204 is positioned at below handle contact plate 1010, offers L-type groove inside location-plate 204; Transverse axis 203 is positioned at outside guide pole 108, transverse axis 203 between two orienting sleeves 202 installs fixture block 205, fixture block 205 bottom outside is provided with the first knob, between two fixture blocks 205, the dropout regulating shaft 207 parallel with location-plate 204 is installed, dropout regulating shaft 207 is provided with the clamping plate 209 slided along it, clamping plate 209 is vertically provided with the second knob 206 with horizontal direction, cylinder 208 is installed at clamping plate 209 top, the affixed button feeler lever 2010 of cylinder 208 output terminal; Manually adjust the second knob 206 and swing handle 201 pairs of test blocks are fixed on the positioning, the breaker of plastic casing going for different size specification detects mechanical life; By adjustment fixture block 205 in X-direction position, clamping plate 209 is in Y direction position, with clamping plate 209 gripper cylinder 208 in Z-direction position, the optional position action of button feeler lever 2010 in three dimensions can be made, with testing button position different on applicable different size breaker of plastic casing.
Operation of the present invention is as follows:
(1) about point, making process:
First, adjustment crank 105 is parastate with connecting rod 106, and namely orienting lug 107 is from motor 101 highest distance position; Then, breaker of plastic casing 4 is placed on mounting sheet 309, shake lifting rocking handle 301 drives below the first spiral gear 305 and the second spiral gear 306 to rotate, gear drive is to screw mandrel 3012, screw mandrel 3012 drives push pedal 307 inwardly to slide, sway brace 3011 in push pedal 307 promotes to raise mounting sheet 309, and breaker of plastic casing 4 is risen to correct position; Then, manually adjustment orienting sleeve 202 makes location-plate 204 be fastened on breaker of plastic casing 4 edges at two ends, and the swing handle 201 on locking orienting sleeve 202 is fixed; Starter motor 101, drive crank 105 and connecting rod 106, make handle contact plate 1010 make horizontal motion, the friction lever 1011 of handle contact plate 1010 front end touches the divide-shut brake handle on breaker of plastic casing 4, makes it close a floodgate, program record closing position; Repeat to operate slider-crank mechanism 1, handle contact plate 1010 oppositely slides, and friction lever 1011 touches divide-shut brake handle again, makes its separating brake, utilizes data system record to detect the data such as divide-shut brake number of times, for test reference.
(2) about dropout test process:
After completing combined floodgate or separating brake at every turn, trip push button can be pressed reset, according to the structure of different size breaker of plastic casing, above adjustment dropout regulating shaft 207 to breaker of plastic casing 4 trip push button, the second knob 206 on turn dropout regulating shaft 207 is fixed, starting cylinder 208 drives button feeler lever 2010 towards the motion of trip push button direction, and after pressing trip push button, namely breaker of plastic casing 4 resets.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention, see claim, within protection scope of the present invention, can do any type of amendment.

Claims (7)

1. a breaker of plastic casing mechanical life test device, it is characterized in that: comprise self-locking elevator structure (3), the mounting sheet (309) of self-locking elevator structure (3) lays breaker of plastic casing (4), dropout mechanism for testing (2) is installed at described breaker of plastic casing (4) top, and slider-crank mechanism (1) is installed in described self-locking elevator structure (3) end.
2. breaker of plastic casing mechanical life test device as claimed in claim 1, it is characterized in that: the structure of described self-locking elevator structure (3) is as follows: comprise spaced two push pedals (307), perpendicular linear axis (308) is installed respectively by the first orienting lug in described push pedal (307) two ends, two push pedal (307) middle parts are connected with screw mandrel mounting blocks (3013) respectively, in described screw mandrel mounting blocks (3013), screw mandrel (3012) is installed, screw mandrel bearing (3014) is installed in described screw mandrel (3012) one end, described screw mandrel (3012) other end installs the second spiral gear (306), push pedal (307) between described screw mandrel mounting blocks (3013) and the first orienting lug is upper installs sway brace bearing (3015), described sway brace bearing (3015) is mounted opposite two pairs of sway braces (3011), described sway brace (3011) top connects support mounting blocks (3010), mounting sheet (309) is installed on described support mounting blocks (3010) top, perpendicular cant board (302) is installed at described mounting sheet (309) two ends respectively, described mounting sheet (309) four right angle arrange the axis of guide (303) of setting respectively, adjustment axle (304) is set between the described axis of guide (303), described adjustment axle (304) bottom is provided with the first spiral gear (305) engaged with the second spiral gear (306), described adjustment axle (304) top connects lifting rocking handle (301).
3. breaker of plastic casing mechanical life test device as claimed in claim 2, is characterized in that: the cant board (302) being positioned at one end is fixed with handle (5).
4. breaker of plastic casing mechanical life test device as claimed in claim 2, is characterized in that: the thread rotary orientation at described screw mandrel (3012) two ends is contrary.
5. breaker of plastic casing mechanical life test device as claimed in claim 2, it is characterized in that: the described axis of guide (303) middle part is through mounting sheet (309), and two ends are installed by guide shaft support (3016) respectively up and down at the axis of guide (303), described guide shaft support (3016) is fixed on cant board (302); Described screw mandrel (3012) one end is fixed on cant board (302) by screw mandrel bearing (3014); Described linear axis (308) two ends are directly fixed on cant board (302); Described adjustment axle (304) top is arranged on cant board (302) inner side by fixed block.
6. breaker of plastic casing mechanical life test device as claimed in claim 1, it is characterized in that: the structure of described slider-crank mechanism (1) is as follows: comprise motor (101), described motor (101) output terminal installs reductor (102), described reductor (102) is fixed on cant board (302) outer end by installing plate (103), described reductor (102) output terminal installs crank (105) by bearing seat (104), and described crank (105) end is by L-type oscillating bearing (1012) installing connecting rods (106); Also comprise spaced handle contact plate (1010), described connecting rod (106) is arranged on wherein one handle contact plate (1010) middle part by bearing, the fixing arc-shaped friction lever (1011) in described handle contact plate (1010) inner side, described handle contact plate (1010) two ends are affixed orienting lug (107) respectively, cross through hole is offered at described orienting lug (107) middle part, through guide pole (108) in described through hole; Described orienting lug (107) sidepiece offers square groove, is connected to the stroke adjusting lever (109) parallel with guide pole (108) in described square groove.
7. the breaker of plastic casing mechanical life test device as described in claim 1 or 6, it is characterized in that: the structure of described dropout mechanism for testing (2) is as follows: comprise spaced location-plate (204), described location-plate (204) two ends are separately installed with orienting sleeve (202), described orienting sleeve (202) middle part has cross through hole, through the transverse axis (203) vertical with location-plate (204) in described cross through hole, described transverse axis (203) two ends are fixed on cant board (302), each orienting sleeve (202) arranged outside has opening, and described opening is by swing handle (201) locking, described location-plate (204) is positioned at handle contact plate (1010) below, and described location-plate (204) inner side offers L-type groove, described transverse axis (203) is positioned at guide pole (108) outside, be positioned on the transverse axis (203) between two orienting sleeves (202) and fixture block (205) is installed, described fixture block (205) bottom outside is provided with the first knob, between two fixture blocks (205), the dropout regulating shaft (207) parallel with location-plate (204) is installed, described dropout regulating shaft (207) is provided with the clamping plate (209) slided along it, described clamping plate (209) is vertically provided with the second knob (206) with horizontal direction, cylinder (208) is installed at described clamping plate (209) top, the affixed button feeler lever (2010) of described cylinder (208) output terminal.
CN201410634474.1A 2014-11-12 2014-11-12 Breaker of plastic casing mechanical life test device Active CN104359663B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020273A (en) * 2015-07-13 2015-11-04 江苏南铸科技股份有限公司 Guiding shaft bearing
CN106092555A (en) * 2016-08-16 2016-11-09 上海电器科学研究所(集团)有限公司 The outside of a kind of miniature circuit breaker is automatically brought into operation execution device
CN106197817A (en) * 2016-07-25 2016-12-07 国网福建省电力有限公司 Chopper double leval jib tightness degree detector and detection method thereof
CN109030880A (en) * 2018-08-22 2018-12-18 广东理工职业学院 A kind of breaker of plastic casing heavy-current test clamp
CN110657967A (en) * 2019-09-16 2020-01-07 上海钧正网络科技有限公司 Lock testing device and testing method thereof

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US20110279933A1 (en) * 1998-08-24 2011-11-17 Leviton Manufacturing Co., Inc. Circuit interrupting device with reset lockout
CN202159124U (en) * 2011-07-25 2012-03-07 温州大学 Circuit breaker overload characteristic checking device
CN202870254U (en) * 2012-08-20 2013-04-10 江苏大全凯帆电器股份有限公司 Test device specially used for module type circuit breaker
CN103995228A (en) * 2014-06-04 2014-08-20 温州奔龙自动化科技有限公司 Breaker time delay characteristic detecting device
CN204177569U (en) * 2014-11-12 2015-02-25 刘海林 Breaker of plastic casing mechanical life test device

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US20110279933A1 (en) * 1998-08-24 2011-11-17 Leviton Manufacturing Co., Inc. Circuit interrupting device with reset lockout
US20060208836A1 (en) * 2002-05-01 2006-09-21 Frantz Germain Reset lockout and trip for circuit interrupting device
CN201909616U (en) * 2011-01-10 2011-07-27 上海亿盟电气自动化技术有限公司 Overrun and opening range measurement device for moulded case circuit breaker
CN202159124U (en) * 2011-07-25 2012-03-07 温州大学 Circuit breaker overload characteristic checking device
CN202870254U (en) * 2012-08-20 2013-04-10 江苏大全凯帆电器股份有限公司 Test device specially used for module type circuit breaker
CN103995228A (en) * 2014-06-04 2014-08-20 温州奔龙自动化科技有限公司 Breaker time delay characteristic detecting device
CN204177569U (en) * 2014-11-12 2015-02-25 刘海林 Breaker of plastic casing mechanical life test device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020273A (en) * 2015-07-13 2015-11-04 江苏南铸科技股份有限公司 Guiding shaft bearing
CN106197817A (en) * 2016-07-25 2016-12-07 国网福建省电力有限公司 Chopper double leval jib tightness degree detector and detection method thereof
CN106197817B (en) * 2016-07-25 2018-11-27 国网福建省电力有限公司 Breaker double leval jib tightness degree detector and its detection method
CN106092555A (en) * 2016-08-16 2016-11-09 上海电器科学研究所(集团)有限公司 The outside of a kind of miniature circuit breaker is automatically brought into operation execution device
CN109030880A (en) * 2018-08-22 2018-12-18 广东理工职业学院 A kind of breaker of plastic casing heavy-current test clamp
CN110657967A (en) * 2019-09-16 2020-01-07 上海钧正网络科技有限公司 Lock testing device and testing method thereof

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