CN202495701U - Circuit breaker handcart - Google Patents
Circuit breaker handcart Download PDFInfo
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- CN202495701U CN202495701U CN201220048869XU CN201220048869U CN202495701U CN 202495701 U CN202495701 U CN 202495701U CN 201220048869X U CN201220048869X U CN 201220048869XU CN 201220048869 U CN201220048869 U CN 201220048869U CN 202495701 U CN202495701 U CN 202495701U
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- handcart frame
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Abstract
The utility model discloses a circuit breaker handcart. The circuit breaker handcart comprises a motor and a screw rod. The motor is arranged on a handcart frame, and a decelerator is arranged on the output end of the motor. A transmission gear is arranged on the output shaft of the decelerator. The screw rod is arranged on a fixed mount along the direction of movement of the handcart frame. A feed screw nut is sleeved onto the screw rod, and the external thread of the screw rod matches with the internal thread of the feed screw nut. The feed screw nut is arranged on the handcart frame in a manner that the feed screw nut can be rotated around its own axis, and transmission teeth are arranged on the periphery of the feed screw nut. The transmission teeth engage with the teeth of the transmission gear. When the circuit breaker handcart provided in the utility model is in operation, power is provided by the motor to the feed screw nut through the decelerator, the feed screw nut is rotated and moved along the screw rod, and the handcart frame is driven by the feed screw nut to move along the screw rod. The operation process is time-saving, effort-saving, and simple.
Description
Technical field
The utility model relates to the switch cubicle equipment technical field, more particularly, relates to a kind of circuit breaker cart.
Background technology
Switch cubicle is a kind of electric equipment, and outside line is introduced into master switch in the cabinet, gets into then to divide the control switch, and each needs to be provided with by it along separate routes, is provided with circuit breaker cart in it.Circuit breaker cart is provided with circuit breaker, and it is the electrical equipment that closes operating current in the high-tension circuit in the switch cubicle or fault current in order to cut off or to close.Circuit breaker cart can be arranged in the switch cubicle with extracting out.Can control circuit breaker and be in test position or service position through circuit breaker cart being extracted or pushed out switch cubicle.Circuit breaker cart comprises handcart frame and fixed mount, and wherein, fixed mount is fixed; The handcart frame is moved during to the service position to test position or by test position by the service position at circuit breaker.
The handcart frame is provided with the breaker closing locking device, and it can be provided at the condition of service position or test position combined floodgate for circuit breaker, and can control circuit breaker and can't close a floodgate at off-position and non-test position place.This closing locking device comprises the combined floodgate connecting plate, when the handcart frame moves to service position or test position, is fixed on chain arm-tie on the handcart frame and withstands above-mentioned combined floodgate connecting plate and open to trigger the closing locking device, and circuit breaker can be closed a floodgate.Circuit breaker cart is provided with the location switch interlock, can make the information that is in service position or experiment position of control system acquisition circuit breaker, so that make control system send orders such as breaker closing, breaker open operation.
But the existing circuit breaker handcart is accomplished by workman's manual operation to moving fully of service position to test position or by test position by the service position, wastes time and energy.
The utility model content
In view of this, the utility model is provided for a kind of circuit breaker cart so that its by the service position to test position or by test position to the moving of service position by electronic completion, time saving and energy saving.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of circuit breaker cart comprises:
Be arranged on the motor on the handcart frame, the output of said motor is provided with reductor, and the output shaft of said reductor is provided with travelling gear; With
Moving direction along said handcart frame is arranged on the screw mandrel on the fixed mount, be arranged with the feed screw nut on the said screw mandrel, and the external screw thread of said screw mandrel and said feed screw nut's internal thread cooperatively interacts; Said feed screw nut can be arranged on the said handcart frame around self axis rotatably, and its periphery is provided with driving cog; The tooth of said driving cog and said travelling gear is meshing with each other.
Preferably, in the above-mentioned circuit breaker cart, said screw mandrel is provided with clutch shaft bearing, and it is arranged on the said fixed mount through the clutch that can control the locking of itself and said fixed mount and open; Said reductor is a worm-gear speed reducer.
Preferably, in the above-mentioned circuit breaker cart, said clutch comprises card mother and clamp, wherein, and the female installation portion that comprises clipping part and tubular of said card;
Said clamp comprises suit plate, clip plate and installing sleeve, and wherein, said suit plate is provided with the first suit hole; Said clip plate is provided with the clip hole that can pin said clipping part; The number of said installing sleeve is 2, and the center is provided with first installing hole; The two ends of each said installing sleeve are fixedly connected with the end of said suit plate and said clip plate respectively, and the axis of 2 said installing sleeves is parallel to each other; One half value of the minimum range of the outer surface of 2 said installing sleeves is greater than the distance that a bit arrives the central shaft of said screw mandrel on the said clipping part arbitrarily;
Said card is female to be fixed on the said screw mandrel through said installation portion; Said clamp can be arranged on the said fixed mount with respect to said card mother movably; Said card is female to interconnect through said clipping part and cooperating of said clip hole with said clamp; Said screw mandrel passes said clip hole and the said first suit hole successively, and the said first suit hole is near the end of said screw mandrel.
Preferably, in the above-mentioned circuit breaker cart, said fixed mount is provided with stay bolt; The two ends of said clamp are provided with first installing hole, and it is sleeved on the said stay bolt through said first installing hole, and is set with spring on the said stay bolt, and wherein, said clamp is near the end of said screw mandrel; The two ends of said spring link to each other with said clamp with the end of said stay bolt respectively.
Preferably, in the above-mentioned circuit breaker cart, said feed screw nut can be arranged on the said handcart frame around self axis through second anti-wear sleeve rotatably, and said feed screw nut's middle part is provided with axle sleeve; Be provided with second bearing between said axle sleeve and said second anti-wear sleeve.
Preferably, in the above-mentioned circuit breaker cart, comprise also through the end being fixed on the chain arm-tie on the said fixed mount that the two ends of said chain arm-tie are provided with the adjustment bolt.
Preferably, in the above-mentioned circuit breaker cart, also comprise:
Be arranged on the S plate on the said handcart frame rotationally through first rotating shaft, the number of said S plate is two, and an end of each said S plate is equipped with the strip second suit hole, and the other end is corresponding with said adjustment bolt;
Can around self rotational be arranged on the latch shaft on the said handcart frame, be fixed with the latch shaft driving lever on the said latch shaft, and be set with torsion spring; One end of said torsion spring is fixedly connected with said latch shaft driving lever, and the other end is fixedly connected with said handcart frame; Each said latch shaft driving lever passes the said second suit hole, and is close to the end of the said second suit hole near the middle part of said S plate; With
The combined floodgate connecting plate that links to each other with said latch shaft.
Preferably, in the above-mentioned circuit breaker cart, two said S plate edges are symmetrical perpendicular to the straight line of the direction of motion of said handcart frame.
Preferably, in the above-mentioned circuit breaker cart, also comprise:
Be fixed on second rotating shaft on the said handcart frame;
Be arranged on the L plate on said second rotating shaft rotationally, an end of said L plate is provided with strip second installing hole, and the other end is corresponding with said adjustment bolt;
Through the connecting plate that said second installing hole links to each other with said L plate, said connecting plate is provided with strip the 3rd installing hole, and said connecting plate can be arranged on the said handcart frame along himself length direction through said the 3rd installing hole movably;
Be fixed on the sensitive switch on the said handcart frame; With
Be arranged on the baffle plate on the said handcart frame movably, said baffle plate is corresponding with said sensitive switch, and it is arranged between said connecting plate and the said sensitive switch, and its both sides are close to said connecting plate and said sensitive switch respectively.
Preferably, in the above-mentioned circuit breaker cart, also comprise installing rack, said installing rack is fixed on the said handcart frame, and which is provided with first and have strong market potential; One end of said baffle plate is provided with suspension ring, its through said suspension ring be arranged on rotationally said first have strong market potential on.
The circuit breaker cart that the utility model provides comprises motor and screw mandrel, and wherein, motor is arranged on the handcart frame, and its output links to each other with reductor; The output shaft of above-mentioned reductor is provided with travelling gear; Screw mandrel is arranged on the fixed mount along the moving direction of handcart frame, and is arranged with the feed screw nut on it, and the external screw thread of above-mentioned screw mandrel and feed screw nut's internal thread cooperatively interact; Above-mentioned feed screw nut can be arranged on the fixed mount around self axis rotatably, and its periphery is provided with driving cog; The tooth of above-mentioned driving cog and travelling gear is meshing with each other.During work, the motor via reducer outputting power rotates travelling gear, drives the feed screw nut and rotates, and the feed screw nut moves along the screw mandrel length direction simultaneously, and then drive handcart frame moves along the screw mandrel length direction.The circuit breaker cart that the utility model provides provides power by motor via reducer to test position or by test position by the service position in the moving process of service position, time saving and energy saving, running is simple.
In addition, in the circuit breaker cart that the utility model provides, reductor adopts worm-gear speed reducer, and it has reverse auto-lock function; Screw mandrel is arranged on the fixed mount through the clutch that can control the locking of itself and fixed mount and open, and which is provided with clutch shaft bearing.When using the circuit breaker that the utility model provides; Can manually order about screw mandrel after clutch opened and rotate, and reducing motor has reverse auto-lock function, its output shaft does not change; Make travelling gear withstand the feed screw nut; The feed screw nut can not rotate, so screw mandrel and feed screw nut relatively rotate, the feed screw nut moves and drives the handcart frame along screw mandrel and moves along the length direction of screw mandrel.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the electric handcart that Fig. 1 provides for the utility model embodiment;
The clamp structural representation that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the structural representation of A-A part among Fig. 2;
The female plan structure sketch map of card that Fig. 4 provides for the utility model embodiment;
The card that Fig. 5 provides for the utility model embodiment is female faces structural representation;
The structural representation of the trigger equipment of the closing locking device of the circuit breaker cart that Fig. 6 provides for the utility model embodiment;
The structural representation of the location switch interlock of the circuit breaker cart that Fig. 7 provides for the utility model embodiment;
The structural representation of the circuit breaker cart that Fig. 8 provides for the utility model embodiment;
Wherein, among Fig. 1-Fig. 8:
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of circuit breaker cart so that its by the service position to test position or by test position to the moving of service position by electronic completion, time saving and energy saving.
See also Fig. 1-Fig. 8, the circuit breaker cart that the utility model embodiment provides comprises motor 101 and screw mandrel 110, and wherein, motor 101 is arranged on the handcart frame 102, and its output is provided with reductor 115; The output shaft 104 of above-mentioned reductor 115 is provided with travelling gear 103; Above-mentioned screw mandrel 110 is arranged on the fixed mount 108 along the moving direction of handcart frame 102, is arranged with feed screw nut 111 on it; Above-mentioned feed screw nut's 111 inner surfaces are provided with second screw thread with first threads engaged of above-mentioned screw mandrel 110, and it can be arranged on the handcart frame 102 around self axis rotatably, and its periphery is provided with driving cog; The tooth of above-mentioned driving cog and above-mentioned travelling gear 103 is meshing with each other.
In the circuit breaker cart that the foregoing description provides, feed screw nut 111 can be arranged on the handcart frame 102 around self axis through second bearing 113 rotatably.As shown in Figure 1, above-mentioned feed screw nut 111 can be arranged on the handcart frame 102 around himself axis through second bearing 113 rotatably.Above-mentioned second bearing 113 is sleeved on the above-mentioned feed screw nut 111, and its both sides are respectively equipped with the axle sleeve 112 and second anti-wear sleeve 114 that is sleeved on the above-mentioned feed screw nut 111, and wherein, second anti-wear sleeve 114 is near feed screw nut 111 end; Above-mentioned driving cog is between adjacent axle sleeve 112.
When the circuit breaker cart that the utility model embodiment provides is worked; Motor 101 is through reductor 115 outputting powers; Travelling gear 103 is rotated; Drive feed screw nut 111 and rotate, feed screw nut 111 moves along screw mandrel 110 length directions simultaneously, and then drive handcart frame 102 moves along screw mandrel 110 length directions.The handcart frame 102 of the circuit breaker cart that the utility model provides provides power by motor 101 through reductor 115 to test position or by test position by the service position in the moving process of service position, time saving and energy saving, running is simple.
Concrete, in the circuit breaker cart that the foregoing description provides, screw mandrel 110 is provided with clutch shaft bearing 105, and it is arranged on the fixed mount 108 through controlling its clutch of locking and open with fixed mount 108; Above-mentioned screw mandrel 110 can be through clutch shaft bearing 105 around self axis rotation; Above-mentioned reductor 115 adopts worm-gear speed reducer, and above-mentioned motor 101 adopts permanent magnet DC motor.The number of above-mentioned clutch shaft bearing 105 is two, and is provided with first anti-wear sleeve 106 between two clutch shaft bearings 105, and is as shown in Figure 1.
In the circuit breaker cart that the utility model provides, reductor 115 is a worm-gear speed reducer, and it has reverse auto-lock function; Screw mandrel 110 is provided with clutch shaft bearing 105, and it is arranged on the said fixing frame 108 through the clutch that can control 108 lockings of itself and fixed mount and open.When using the circuit breaker that the utility model provides; With clutch open the circumferential rotation that makes leading screw 110 unrestricted after; Can manually order about screw mandrel 110 and rotate, and reducing motor 115 has reverse auto-lock function, output shaft 104 does not change; Make travelling gear 103 withstand feed screw nut 111; Feed screw nut 111 can not rotate, so screw mandrel 110 relatively rotates with feed screw nut 111, feed screw nut 111 moves and drives handcart frame 102 along the length direction of screw mandrel 110 and moves along the length direction of screw mandrel 110.
Above-mentioned clutch comprises card female 107 and clamp 109, and wherein, card female 107 comprises the installation portion 501 of clipping part 502 and tubular.See also Fig. 2 and Fig. 3, clamp comprises suit plate, clip plate and installing sleeve, and wherein, the suit plate is provided with the first suit hole 301; The clip plate is provided with the clip hole 303 that can pin clipping part 502; The number of installing sleeve is 2, and the center is provided with first installing hole 304; The two ends of each installing sleeve are fixedly connected with the end of suit plate with the clip plate respectively, and the axis of 2 installing sleeves is parallel to each other; One half value of the minimum range of the outer surface of 2 installing sleeves can rotate between 2 installing sleeves to guarantee clipping part 502 greater than the central shaft distance that a bit arrives screw mandrel 110 on the clipping part 502 arbitrarily; Above-mentioned suit plate, clip plate and installing sleeve have surrounded the revolution space 302 at middle part.See also Fig. 4 and Fig. 5, above-mentioned clipping part 502 is arranged on an end of installation portion 501, comprises six equally distributed clip angles; Above-mentioned clip angle can also be set to non-homogeneous layout, and its number can be set to any number more than 4 or 4; Above-mentioned installation portion 501 is provided with first pin hole, and this first pin hole is arranged on the position of arranging the clip angle, can also be arranged on other position, and is preferred, is arranged on the position of arranging the clip angle.Card female 107 is sleeved on the screw mandrel 110 through installation portion 501, is provided with second pin hole with the corresponding position of above-mentioned first pin hole on the screw mandrel 110, card female 107 through dowel fixes on screw mandrel 110.Cooperation through clipping part 502 and clip hole 303 interconnects card female 107 with clamp 109.Screw mandrel 110 passes above-mentioned clip hole 303, revolution space 302 and the first suit hole 301 successively, and the first suit hole 301 is near the end of above-mentioned screw mandrel 110.Concrete, fixed mount 108 is provided with two stay bolts, and clamp 109 is sleeved on the above-mentioned stay bolt through first installing hole 304, and also is set with spring on this stay bolt, and wherein, clamp 109 is near the end of screw mandrel 110; The two ends of spring link to each other with clamp 109 with the end of stay bolt respectively.
When manually shaking into or shaking out the utility model embodiment circuit breaker cart is provided; Promote clamp 109 and move towards feed screw nut 111, length of spring compressed, revolution space 302 moves to the position of above-mentioned clipping part 502 correspondences; At this moment, but manual actuation screw mandrel 110 rotate so that handcart frame 102 moves; When manual actuation finishes and change motorized motions into; The thrust that clamp 109 receives disappears; The elastic force of spring makes clamp 109 move to original position; Motor 101 drives feed screw nuts 111 through reductor 115 and rotates, and feed screw nut 111 drives screw mandrels 110 and turns to after the suitable angle clamp 109 and return to original position smoothly and block screw mandrel 110 and make it fixing.
In the foregoing description, for the ease of wind is installed, can the end of screw mandrel 110 be processed into shapes such as hexagonal or four jiaos; In the foregoing description, make mounted wind can clamp 109 be pushed up suitable position through adopting suitable wind.
Concrete, in the circuit breaker cart that the foregoing description provides, comprising that also the end is fixed on the chain arm-tie 601 on the fixed mount 108, the two ends of above-mentioned chain arm-tie 601 are respectively equipped with two adjustment bolts 602.Concrete, in the trigger equipment that the foregoing description provides, the end of chain arm-tie 601 is provided with mounting panel, and adjustment bolt 602 is arranged on the above-mentioned mounting panel, during application, can regulate adjustment bolt 602 according to the needs of practical situations.
See also Fig. 6; In the circuit breaker cart that the foregoing description provides; Also comprise S plate 603, latch shaft 608 and combined floodgate connecting plate 606, wherein, S plate 603 is arranged on the handcart frame 102 through first rotating shaft 604 rotationally; And an end of S plate 603 is provided with the strip second suit hole, and the other end is corresponding with adjustment bolt 602; Above-mentioned first rotating shaft 604 is fixed on the handcart frame 102; The number of above-mentioned S plate 603 is two, and two S plates 603 are arranged on the handcart frame 102 through first rotating shaft 604 respectively rotationally; Latch shaft 608 can around self rotational be arranged on the handcart frame 102, and be fixed with latch shaft driving lever 605 on it, also be set with torsion spring 607; One end of above-mentioned torsion spring 607 is fixedly connected with latch shaft driving lever 605, and the other end is fixedly connected with handcart frame 102; Latch shaft driving lever 605 passes the above-mentioned second suit hole, and it is close to the end near the middle part of S plate 603 in the above-mentioned second suit hole; Combined floodgate connecting plate 606 links to each other with latch shaft 608.
Concrete, in the circuit breaker cart that the foregoing description provides, S plate 603 is provided with first counterbore with above-mentioned adjustment bolt 602 corresponding positions.When circuit breaker cart arrived service position or test position, adjustment bolt 602 withstood on the above-mentioned first counterbore place.The edge of above-mentioned two S plates 603 is perpendicular to the straight line symmetry of the direction of motion of handcart frame 102, and is as shown in Figure 6; The second suit hole is arranged on the end near the middle part of handcart frame 102 of S plate 603; Latch shaft 608 is provided with two latch shaft driving levers 605 that pass the second suit hole of different S plates 603 respectively, and does not touch adjustment during bolt 602 when S plate 603, latch shaft driving lever 605 near in the above-mentioned second suit hole near the end at the middle part of S plate 603.Above-mentioned latch shaft 608 contacts with two sidewalls of handcart frame 102, and it is parallel with chain arm-tie 601; When circuit breaker cart is in off-position and non-experiment position, latch shaft 608 be in S plate 603 interlude under, and the lateral vertical of latch shaft driving lever 605 and S plate 603, as shown in Figure 6.Above-mentioned latch shaft driving lever 605 can adopt bolt, can also adopt metal bar.
In the circuit breaker cart that the utility model embodiment provides, S plate 603, first rotating shaft 604, the latch shaft 608, torsion spring 607 and the combined floodgate connecting plate 606 that have a latch shaft driving lever 605 have been formed the trigger equipment of the closing locking device that is used for circuit breaker cart.In the application process; When handcart frame 102 moved to service position or the test position of circuit breaker, adjustment bolt 602 withstood S plate 603, and S plate 603 rotates and drives latch shaft driving lever 605 and rotates; And then latch shaft 608 is rotated to a certain direction; Latch shaft 608 drives torsion spring 607 and rotates with combined floodgate connecting plate 606 when rotating, combined floodgate connecting plate 606 rotates the closing locking device of circuit breaker is opened, and makes circuit breaker can carry out closing operation; When handcart frame 102 by the service position to test position or by test position when move the service position; S plate 603 breaks away from adjustment bolt 602; To the counter-rotation of above-mentioned direction, latch shaft driving lever 605 withstands S plate 603 and makes it to go back to original position latch shaft 608 under the effect of torsion spring 607.The trigger equipment that is used for the closing locking device in the circuit breaker cart that the utility model embodiment provides is applicable to the breaker closing locking device that triggers on the circuit breaker electric handcart; Guarantee that circuit breaker can carry out closing operation when service position and test position, guarantee that simultaneously circuit breaker can't carry out closing operation when off-position and non-experiment position.
In addition; The trigger equipment that is used for the closing locking device in the circuit breaker cart that the utility model embodiment provides; Two S plates 603 are along the straight line symmetry perpendicular to the direction of motion of handcart frame 102, when first S plate 603 is withstood by adjustment bolts 602, its accordingly latch shaft driving lever 605 withstood and drive latch shaft 608 by this S plate 603 and rotate; At this moment; Another latch shaft driving lever 605 on the latch shaft 608 rotates in the second suit hole on second S plate 603, and second S plate 603 do not receive the effect of power, and it is not moved.In the circuit breaker cart that the utility model embodiment provides, when a S plate 603 rotated, another S plate 603 was motionless, and the parts that action takes place in the work engineering are few, the wearing and tearing of each parts and consume little.
See also Fig. 7, in the circuit breaker cart that the utility model embodiment provides, also comprise second rotating shaft 701, L plate 702, connecting plate 703, baffle plate 704 and sensitive switch 705, wherein, second rotating shaft 701 is fixed on the handcart frame 102; L plate 702 is arranged on above-mentioned second rotating shaft 701 rotationally, and the one of which end is provided with strip second installing hole, and the other end is corresponding with above-mentioned adjustment bolt 602; Connecting plate 703 is strip structure, and which is provided with strip the 3rd installing hole; Connecting plate 703 can be arranged on the handcart frame 102 along himself length direction through above-mentioned the 3rd installing hole movably, and above-mentioned L plate 702 is coupled through second installing hole; Sensitive switch 705 is fixed on the above-mentioned handcart frame 102; Baffle plate 704 is corresponding with sensitive switch 705, and it is arranged on the handcart frame 102 movably, and it is arranged between above-mentioned connecting plate 703 and the above-mentioned sensitive switch 705, and is close to above-mentioned connecting plate 703 and sensitive switch 705.
Concrete, in the circuit breaker cart that the foregoing description provides, the length direction of connecting plate 703 can be set to vertical with the moving direction of handcart frame 102, and the angle that also can be set to the moving direction of handcart frame 102 is an acute angle; Preferably, be set to vertically, be convenient to arrange baffle plate 704 and sensitive switch 705 with the moving direction of handcart frame 102.Above-mentioned connecting plate 703 is provided with rivet near an end of L plate 702, and this rivet and second installing hole cooperatively interact L plate 702 and connecting plate 703 are interconnected, and L plate 702 can promote connecting plate 703 towards sensitive switch 705 motions when rotating.Above-mentioned L plate 702 is provided with second counterbore with adjustment bolt 602 corresponding positions; When handcart frame 102 moved to correct position, adjustment bolt 602 promoted L plate 702 and rotates at the above-mentioned second counterbore place.
Concrete, comprising installing rack 707 in the circuit breaker cart that the foregoing description provides, installing rack 707 is arranged on the handcart frame 102, and connecting plate 703, baffle plate 704 and sensitive switch 705 are separately positioned on the installing rack 707.Wherein, the 3rd installing hole on the connecting plate 703 can be set to a plurality of, and is preferred, is set to two; The corresponding position of installing rack 707 is provided with bolt, and this bolt and above-mentioned the 3rd installing hole cooperatively interact connecting plate 703 can be arranged on the above-mentioned installing rack 707 along himself length direction movably.Sensitive switch 705 is fixed on the installing rack 707 through second (not shown) of having strong market potential, and wherein, second number of having strong market potential is two.The length of baffle plate 704 and width are corresponding with above-mentioned sensitive switch 705, can touch each switch on the sensitive switch 705 simultaneously to guarantee baffle plate 704.
Concrete, in the circuit breaker cart that the foregoing description provides, baffle plate 704 can be arranged on the installing rack 707 through one end thereof rotationally, and at this moment, the end of baffle plate 704 is provided with suspension ring; Be provided with first on the installing rack 707 and have strong market potential 706; Above-mentioned suspension ring be sleeved on first have strong market potential on 706 so that baffle plate 704 can around the rotational of above-mentioned suspension ring be arranged on the above-mentioned installing rack 707.Baffle plate 704 can also can be arranged on along the length direction of connecting plate 703 on the above-mentioned installing rack 707 through its two ends movably, and at this moment, the two ends of baffle plate 704 all are provided with first and have strong market potential 706; Corresponding slide slot is set on the installing rack 707; Above-mentioned first has strong market potential 706 is arranged on above-mentioned slide slot and sentences baffle plate 704 can be arranged on along the length direction of connecting plate 703 on the above-mentioned installing rack 707 movably.
The utility model embodiment provides is used for circuit breaker cart; Chain arm-tie 601, adjustment bolt 602, second rotating shaft 701, L plate 702, connecting plate 703, baffle plate 704 and sensitive switch 705 have been formed the location switch interlock; During work; When the length direction of the chain arm-tie 601 in handcart frame 102 edges moves to service position or test position; Adjustment bolt 602 withstands L plate 702 makes L plate 702 rotate around second rotating shaft 701, and L plate 702 withstands connecting plate 703 and makes it to be moved, and baffle plate 704 moves and touch the sensitive switch at place, service position or the sensitive switch at test position place with connecting plate 703; When handcart frame 102 by the service position to test position move or by test position when move the service position; Adjustment bolt 602 breaks away from L plate 702; The sensitive switch 705 at service position or the test position place effect of portion's spring within it breaks off down, makes connecting plate 703 move and promote L plate 702 towards chain arm-tie 601 and goes back to original position.In the location switch interlock of the circuit breaker cart that the utility model embodiment provides; Adopt sensitive switch 705 as location switch; Sensitive switch 705 has the characteristics fast of moving, and can avoid the generation of electric arc, and location switch can normally be closed a floodgate and separating brake.Simultaneously, in the location switch interlock of the circuit breaker electric handcart that the utility model embodiment provides, can control all service position location switches and all test position location switches through an adjustment bolt 602 respectively.
In addition, in the location switch interlock of the circuit breaker electric handcart that the utility model embodiment provides, the scope of activities of connecting plate 703 receives the restriction of himself strip hole, over-travel can not take place, and avoids location switch to receive excessively touching and cause damage of baffle plate 704.Simultaneously, the location switch interlock of the circuit breaker that the utility model embodiment provides is simple in structure, be convenient to processing, and production cost is low.
In the circuit breaker cart that the foregoing description provides, its trigger equipment and location switch interlock that is used for the closing locking device is triggered by same chain arm-tie 601, and is as shown in Figure 8.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a circuit breaker cart is characterized in that, comprising:
Be arranged on the motor (101) on the handcart frame (102), the output of said motor (101) is provided with reductor (115), and the output shaft (104) of said reductor (115) is provided with travelling gear (103); With
Moving direction along said handcart frame (102) is arranged on the screw mandrel (110) on the fixed mount (108), be arranged with feed screw nut (111) on the said screw mandrel (110), and the external screw thread of said screw mandrel (110) and said feed screw nut's (111) internal thread cooperatively interacts; Said feed screw nut (111) can be arranged on the said handcart frame (102) around self axis rotatably, and its periphery is provided with driving cog; The tooth of said driving cog and said travelling gear (103) is meshing with each other.
2. circuit breaker cart according to claim 1 is characterized in that, said screw mandrel (110) is provided with clutch shaft bearing (105), and it is arranged on the said fixed mount (108) through the clutch that can control itself and said fixed mount (108) and lock and open; Said reductor (115) is a worm-gear speed reducer.
3. circuit breaker cart according to claim 2 is characterized in that, said clutch comprises card female (107) and clamp (109), and wherein, said card female (107) comprises the installation portion (501) of clipping part (502) and tubular;
Said clamp (109) comprises suit plate, clip plate and installing sleeve, and wherein, said suit plate is provided with the first suit hole (301); Said clip plate is provided with the clip hole (303) that can pin said clipping part (502); The number of said installing sleeve is 2, and the center is provided with first installing hole (304); The two ends of each said installing sleeve are fixedly connected with the end of said suit plate and said clip plate respectively, and the axis of 2 said installing sleeves is parallel to each other; One half value of the minimum range of the outer surface of 2 said installing sleeves is gone up the distance that a bit arrives the central shaft of said screw mandrel (110) arbitrarily greater than said clipping part (502);
Said card female (107) is fixed on the said screw mandrel (110) through said installation portion (501); Said clamp (109) can be arranged on the said fixed mount (108) with respect to said card female (107) movably; Said card female (107) interconnects through said clipping part (502) and cooperating of said clip hole (303) with said clamp (109); Said screw mandrel (110) passes said clip hole (303) and the said first suit hole (301) successively, and the said first suit hole (301) is near the end of said screw mandrel (110).
4. circuit breaker cart according to claim 3 is characterized in that, said fixed mount (108) is provided with stay bolt; Said clamp (109) is sleeved on the said stay bolt through said first installing hole (304), and is set with spring on the said stay bolt, and wherein, said clamp (109) is near the end of said screw mandrel (110); The two ends of said spring link to each other with said clamp (109) with the end of said stay bolt respectively.
5. circuit breaker cart according to claim 1; It is characterized in that; Said feed screw nut (111) can be arranged on the said handcart frame (102) around self axis through second anti-wear sleeve (114) rotatably, and said feed screw nut's (111) middle part is provided with axle sleeve (112); Be provided with second bearing (113) between said axle sleeve (112) and said second anti-wear sleeve (114).
6. circuit breaker cart according to claim 1 is characterized in that, also comprises through the end being fixed on the chain arm-tie (601) on the said fixed mount (108), and the two ends of said chain arm-tie (601) are provided with adjustment bolt (602).
7. circuit breaker cart according to claim 6 is characterized in that, also comprises:
Be arranged on the S plate (603) on the said handcart frame (102) rotationally through first rotating shaft (604); The number of said S plate (603) is two; One end of each said S plate (603) is equipped with the strip second suit hole, and the other end is corresponding with said adjustment bolt (602);
Can around self rotational be arranged on the latch shaft (608) on the said handcart frame (102), be fixed with latch shaft driving lever (605) on the said latch shaft (608), and be set with torsion spring (607); One end of said torsion spring (607) is fixedly connected with said latch shaft driving lever (605), and the other end is fixedly connected with said handcart frame (102); Each said latch shaft driving lever (605) passes the said second suit hole, and is close to the end of the said second suit hole near the middle part of said S plate (603); With
The combined floodgate connecting plate (606) that links to each other with said latch shaft (608).
8. circuit breaker cart according to claim 7 is characterized in that, two said S plates (603) edge is perpendicular to the straight line symmetry of the direction of motion of said handcart frame (102).
9. circuit breaker cart according to claim 6 is characterized in that, also comprises:
Be fixed on second rotating shaft (701) on the said handcart frame (102);
Be arranged on the L plate (702) on said second rotating shaft (701) rotationally, an end of said L plate (702) is provided with strip second installing hole, and the other end is corresponding with said adjustment bolt (602);
The connecting plate (703) that links to each other with said L plate (702) through said second installing hole; Said connecting plate (703) is provided with strip the 3rd installing hole, and said connecting plate (703) can be arranged on the said handcart frame (102) along himself length direction through said the 3rd installing hole movably;
Be fixed on the sensitive switch (705) on the said handcart frame (102); With
Be arranged on the baffle plate (704) on the said handcart frame (102) movably; Said baffle plate (704) is corresponding with said sensitive switch (705); And it is arranged between said connecting plate (703) and the said sensitive switch (705), and its both sides are close to said connecting plate (703) and said sensitive switch (705) respectively.
10. circuit breaker cart according to claim 9 is characterized in that, also comprises installing rack (707), and said installing rack (707) is fixed on the said handcart frame (102), and which is provided with first have strong market potential (706); One end of said baffle plate (704) is provided with suspension ring, and it is arranged on said first rotationally through said suspension ring and has strong market potential on (706).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220048869XU CN202495701U (en) | 2012-02-15 | 2012-02-15 | Circuit breaker handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220048869XU CN202495701U (en) | 2012-02-15 | 2012-02-15 | Circuit breaker handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495701U true CN202495701U (en) | 2012-10-17 |
Family
ID=47001913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220048869XU Expired - Fee Related CN202495701U (en) | 2012-02-15 | 2012-02-15 | Circuit breaker handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495701U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022923A (en) * | 2012-11-21 | 2013-04-03 | 安徽龙波电气有限公司 | Floor type circuit breaker electric propulsion mechanism |
| CN106154153A (en) * | 2016-08-30 | 2016-11-23 | 镇江大全赛雪龙牵引电气有限公司 | The detecting system of circuit breaker cart in a kind of DC traction power-supply system |
| CN106654949A (en) * | 2016-09-27 | 2017-05-10 | 温州兴机电器有限公司 | Circuit breaker interlocked rocking-in handcart |
| CN107861044A (en) * | 2017-10-12 | 2018-03-30 | 上海正泰自动化软件系统有限公司 | A kind of test device of ZN63A vacuum circuit-breaker handcarts control circuit board |
-
2012
- 2012-02-15 CN CN201220048869XU patent/CN202495701U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022923A (en) * | 2012-11-21 | 2013-04-03 | 安徽龙波电气有限公司 | Floor type circuit breaker electric propulsion mechanism |
| CN106154153A (en) * | 2016-08-30 | 2016-11-23 | 镇江大全赛雪龙牵引电气有限公司 | The detecting system of circuit breaker cart in a kind of DC traction power-supply system |
| CN106654949A (en) * | 2016-09-27 | 2017-05-10 | 温州兴机电器有限公司 | Circuit breaker interlocked rocking-in handcart |
| CN107861044A (en) * | 2017-10-12 | 2018-03-30 | 上海正泰自动化软件系统有限公司 | A kind of test device of ZN63A vacuum circuit-breaker handcarts control circuit board |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20180215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |