CN114883962A - Circuit breaker snatchs pulls mechanism - Google Patents
Circuit breaker snatchs pulls mechanism Download PDFInfo
- Publication number
- CN114883962A CN114883962A CN202210590402.6A CN202210590402A CN114883962A CN 114883962 A CN114883962 A CN 114883962A CN 202210590402 A CN202210590402 A CN 202210590402A CN 114883962 A CN114883962 A CN 114883962A
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- circuit breaker
- grabbing
- plate
- sliding
- assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
Abstract
The invention provides a circuit breaker grabbing and dragging mechanism, which belongs to the technical field of power equipment and comprises a sliding plate, a linear driving assembly, a sliding connecting plate and two groups of gripper assemblies, wherein the linear driving assembly is assembled on the sliding plate; the sliding connection plate is connected to the linear driving assembly; the two groups of gripper assemblies are symmetrically arranged on the sliding connecting plate; the linear driving assembly drives the sliding connection plate to move forwards, so that the gripper of the gripper assembly grips a handle on the circuit breaker and moves backwards to pull the circuit breaker out of the power distribution cabinet. According to the circuit breaker grabbing and dragging mechanism provided by the invention, the linear driving assembly is used for driving the grabbing component to move forwards, the grabbing component is used for grabbing a handle of the circuit breaker firmly, and the circuit breaker is driven by the linear driving assembly to move backwards, so that the circuit breaker can be dragged out of a power distribution cabinet. When the circuit breaker is replaced or maintained, the labor intensity of workers is greatly reduced, the labor burden of the workers is reduced, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of electric power facilities, and particularly relates to a circuit breaker grabbing and dragging mechanism.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time.
Handcart-type circuit breaker size is big, and weight is big, and the replacement mode of traditional artifical push-and-pull removal, intensity of labour is big, wastes time and energy.
Disclosure of Invention
The embodiment of the invention provides a circuit breaker grabbing and dragging mechanism, aiming at reducing the labor intensity of workers during circuit breaker replacement and improving the working efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a circuit breaker snatchs drags mechanism includes: the linear gripper comprises a sliding plate, a linear driving assembly, a sliding connecting plate and two groups of gripper assemblies, wherein the linear driving assembly is assembled on the sliding plate; the sliding connection plate is connected to the linear driving assembly; the two groups of gripper assemblies are symmetrically arranged on the sliding connecting plate; the linear driving assembly drives the sliding connection plate to move forwards, so that the gripper of the gripper assembly grips a handle on the circuit breaker and moves backwards to pull the circuit breaker out of the power distribution cabinet.
In a possible implementation manner, the gripper assembly comprises the gripper, a rotating shaft and a grabbing cylinder, the gripper is assembled on the rotating shaft, two ends of the rotating shaft are assembled on the sliding connection plate through bearing seats, a cylinder body of the grabbing cylinder is hinged on the sliding connection plate, and a telescopic rod of the grabbing cylinder is hinged on a crank arm assembled on the rotating shaft; the telescopic rod of the grabbing cylinder extends forwards to drive the rotating shaft to drive the hand grab to overturn downwards to grab the handle.
In a possible implementation manner, the gripper assembly further comprises an adjusting cylinder and a sliding block which is slidably assembled on the rotating shaft, the gripper is fixed on the sliding block, a cylinder body of the adjusting cylinder is fixed on the gripper, and a telescopic rod of the adjusting cylinder is connected with the crank arm; the rotating shaft is provided with an anti-rotation structure capable of preventing the sliding block from rotating.
In a possible implementation manner, the telescopic rod of the adjusting cylinder is connected with the crank arm through a floating joint.
In a possible implementation manner, the rotation-preventing structure is a rotation-preventing plane disposed on the rotating shaft.
In a possible implementation manner, the crank arm includes a shaft sleeve assembled on the rotating shaft, and an outer support arm and an inner support arm radially connected to the shaft sleeve, the outer support arm and the inner support arm are axially arranged in a staggered manner, the telescopic rod of the grabbing cylinder is hinged to the outer support arm, and the telescopic rod of the adjusting cylinder is connected to the inner support arm.
In a possible implementation manner, the circuit breaker grabbing and dragging mechanism further comprises a switching operation assembly, wherein the switching operation assembly is arranged on the sliding connection plate and is positioned between the two groups of grabbing assemblies; the switching operation assembly comprises a screwing motor, a sleeve assembly, a push rod, a guide rail and a sliding seat, the guide rail is fixed on the sliding connection plate, the sliding seat is in sliding fit with the guide rail, the screwing motor is fixed on the sliding seat, the sleeve assembly is assembled on a spindle of the screwing motor, and the push rod is connected on the sliding seat.
In a possible implementation manner, the circuit breaker grabbing and dragging mechanism further comprises a positioning assembly, the positioning assembly is arranged on two sides of the front end of the sliding plate and comprises a support arranged at the front end of the sliding plate and a positioning pin fixed on the support, and the positioning pin is used for being connected with a positioning hole in the power distribution cabinet in an inserting mode.
In a possible implementation manner, the circuit breaker grabbing and pulling mechanism further comprises a locking assembly, the locking assembly is arranged at the middle position of the front end of the sliding plate, the locking assembly comprises a guide plate, a bending plate, a lock hook and a spring, the guide plate is connected with the bending plate at the front end of the sliding plate, the lock hook is hinged to the bending plate through a pin shaft and penetrates through a guide hole in the guide plate backwards, the spring is connected to the lock hook and is fixed between lug seats on the sliding plate, and the lock hook is used for locking a lock hole in a power distribution cabinet.
In a possible implementation manner, the left side and the right side of the sliding plate are respectively provided with a supporting seat for supporting the circuit breaker.
Compared with the prior art, the grabbing and dragging mechanism for the circuit breaker provided by the invention has the beneficial effects that: the linear driving assembly is used for driving the gripper assembly to move forwards, the gripper assembly is used for gripping a handle of the circuit breaker, and the circuit breaker is driven by the linear driving assembly to move backwards, so that the circuit breaker can be pulled out of the power distribution cabinet. Utilize the circuit breaker that this embodiment provided to snatch pulling mechanism, when the circuit breaker is changed or is maintained, can utilize power to drag out the internal circuit breaker of cabinet to it is internal to push into the cabinet with maintenance back or new circuit breaker, realizes that the automation of circuit breaker drags out or pushes, greatly reduced artifical intensity of labour, alleviateed operation personnel's work burden, improved work efficiency.
Drawings
Fig. 1 is a first schematic structural diagram of a circuit breaker grabbing and dragging mechanism according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a circuit breaker grabbing and dragging mechanism according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of a circuit breaker grabbing and dragging mechanism according to an embodiment of the present invention;
FIG. 4 is a first schematic structural diagram of a gripper assembly according to an embodiment of the present invention;
fig. 5 is a second schematic structural view of the gripper assembly according to the embodiment of the present invention;
fig. 6 is a third schematic structural view of the gripper assembly according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a switching operation module according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a use state of a circuit breaker grabbing and dragging mechanism according to an embodiment of the present invention;
description of reference numerals:
1. a slide plate; 2. a supporting seat; 21. section steel; 22. angle steel; 3. a gripper assembly; 31. a grabbing cylinder; 32. an adjusting cylinder; 33. a gripper; 34. a reinforcing plate; 35. a rotating shaft; 36. a bearing seat; 37. a crank arm; 38. a tensioning sleeve; 39. a slider; 4. a sliding connection plate; 5. a locking assembly; 51. an ear mount; 52. a spring; 53. a latch hook; 54. a pin shaft; 6. switching the operating components; 61. a sleeve assembly; 62. screwing the motor; 63. a push rod; 64. a guide rail; 65. a slide base; 7. a linear drive assembly; 71. a drive motor; 72. a screw rod; 73. a slide rail; 8. a positioning assembly; 81. a support; 82. positioning pins; 9. bending the plate; 91. a limiting hole; 10. a guide plate; 101. a guide hole; 11. a circuit breaker; 111. a handle; 112. and (6) operating the hole.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that if terms indicating orientation or positional relationship such as "front", "back", "left", "right", etc. appear, the positional relationship when the circuit breaker is drawn out of operation, with the direction toward the circuit breaker being front and the direction away from the circuit breaker being back, is merely for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to fig. 6, a circuit breaker grabbing and dragging mechanism according to the present invention will be described. The circuit breaker grabbing and dragging mechanism comprises a sliding plate 1, a linear driving assembly 7, a sliding connecting plate 4 and two groups of gripper assemblies 3, wherein the linear driving assembly 7 is assembled on the sliding plate 1; the sliding connecting plate 4 is connected to the linear driving assembly 7; the two groups of gripper assemblies 3 are symmetrically arranged on the sliding connection plate 4; the linear driving assembly 7 drives the sliding connection plate 4 to move forward, so that the gripper 33 of the gripper assembly 3 grips the handle 111 on the circuit breaker 11 and moves backward to pull the circuit breaker 11 out of the power distribution cabinet.
Compared with the prior art, the circuit breaker 11 grabbing and dragging mechanism provided by the embodiment utilizes the linear driving assembly 7 to drive the gripper assembly 3 to move forwards, utilizes the gripper assembly 3 to grab the handle 111 of the circuit breaker 11 firmly, and then moves backwards under the driving of the linear driving assembly 7, so that the circuit breaker 11 can be dragged out of a power distribution cabinet.
Utilize the circuit breaker 11 that this embodiment provided to snatch the drag mechanism, when circuit breaker 11 changes or maintains, can utilize power to drag out the internal circuit breaker 11 of cabinet to it is internal to push into the cabinet with maintenance back or new circuit breaker 11, realizes that circuit breaker 11's automation drags out or pushes, greatly reduced artifical intensity of labour, alleviateed operation personnel's work burden, improved work efficiency.
Referring to fig. 9, specifically changing the operation process of circuit breaker 11, snatching the circuit breaker 11 that this embodiment provided and dragging the mechanism assembly on three-dimensional moving platform, through three-dimensional moving platform's XYZ position control, can realize snatching that the mechanism is accurate to be in circuit breaker 11 and wait to change the position, each position control can realize through automatic control, also need not artifical manual operation, labour saving and time saving.
In the linear driving assembly 7 provided in this embodiment, optionally, the linear driving assembly 7 is a screw 72 driving manner, and specifically includes a driving motor 71, a screw 72 connected to the driving motor 71, a nut screwed with the screw 72, and slide rails 73 respectively disposed on left and right sides of the screw 72, the slide rails 73 are fixed on the sliding plate 1, the driving motor 71 is fixed on the sliding plate 1, the lower surface of the sliding connection plate 4 is fixed on the nut, and the left and right sides of the lower surface of the sliding connection plate 4 are fixed on the slide rails 73. The driving motor 71 drives the screw rod 72 to rotate and convert the screw rod into linear movement of the screw nut, so that the sliding plate 1 is driven to move back and forth along the sliding rail 73, the gripper assembly 3 is enabled to move forward to be close to the circuit breaker 11, and the circuit breaker 11 is pulled out backwards after the gripper assembly 11 grabs the circuit breaker.
In some embodiments, the linear driving assembly 7 may also be an electric push rod 63, an electric slide, an air cylinder drive, or other mechanisms capable of achieving linear movement.
Referring to fig. 1 to 6, the gripper assembly 3 includes a gripper 33, a rotating shaft 35, and a gripping cylinder 31, the gripper 33 is assembled on the rotating shaft 35, two ends of the rotating shaft 35 are assembled on the sliding connection plate 4 through a bearing seat 36, a cylinder body of the gripping cylinder 31 is hinged on the sliding connection plate 4, and an expansion link of the gripping cylinder 31 is hinged on a crank arm 37 assembled on the rotating shaft 35; the telescopic rod of the grabbing cylinder 31 extends forwards, the rotating shaft 35 is driven to drive the hand grip 33 to turn downwards, and the grabbing handle 111 is grabbed.
The working process of the gripper assembly 3 is as follows: the driving motor 71 is started to drive the sliding plate 1 to move forwards to the circuit breaker 11 grabbing position, then the telescopic rod of the grabbing cylinder 31 extends forwards to push the rotating shaft 35 to rotate downwards, and the hand grip 33 can be driven to turn downwards until the hand grip 33 grabs the handle 111 on the chassis of the circuit breaker 11; the driving motor 71 rotates reversely to drive the screw rod 72 to rotate reversely, the screw nut moves backwards to drive the sliding plate 1 to move backwards, and the circuit breaker 11 can move backwards along with the grabbing component until being separated from the power distribution cabinet and is dragged onto the sliding plate 1; the telescopic rod is retracted to drive the rotating shaft 35 to rotate backwards and reversely, and the hand grip 33 is separated from the handle 111. Utilize the cylinder of tongs subassembly 3 to snatch circuit breaker 11 automatically to utilize driving motor 71's power to realize dragging backward of circuit breaker 11 automatically, can liberate operating personnel's both hands, alleviate operating personnel's intensity of labour, and can realize accurate counterpoint through automatic control, also avoided the problem that artifical hand eye action needs many times to try to snatch.
Alternatively, as shown in fig. 1 to 6, the grip 33 is a bent sheet metal member so as to be able to grasp the grip 111. Meanwhile, in order to improve the strength of the grip 33 and prevent the grip 33 from being deformed during pulling, a reinforcing plate 34 is attached to the grip 33, and particularly, the reinforcing plate 34 may be a rectangular steel pipe.
Alternatively, as shown in fig. 1 to 6, the crank arm 37 is fitted on the rotating shaft 35 at the outer end of the bearing housing 36, and the hand grip 33 is fitted between the two bearing housings 36. Meanwhile, a tension sleeve 38 is provided on the rotating shaft 35 to which the crank arm 37 is assembled to lock the crank arm 37. The tensioning sleeve 38 may be a nut, and may be a double nut or a cooperating pin to lock the closure.
Referring to fig. 1 to 6, the gripper assembly 3 further includes an adjusting cylinder 32 and a slider 39 slidably mounted on the rotating shaft 35, the gripper 33 is fixed on the slider 39, a cylinder body of the adjusting cylinder 32 is fixed on the gripper 33, and an expansion rod of the adjusting cylinder 32 is connected with the crank arm 37; the rotation shaft 35 has a rotation preventing structure for preventing the rotation of the slider 39.
The adjusting cylinder 32 is arranged on the basis of the hand grip 33 and the crank arm 37, the hand grip 33 and the crank arm 37 are both assembled on the rotating shaft 35, the adjusting cylinder 32 extends out, the hand grip 33 can move along the rotating shaft 35, so that the effect of adjusting the distance between the two hand grips 33 is achieved, the distance between the hand grips 33 can be adjusted according to the distance between the handles 111 on the breaker 11 through adjustment of the adjusting cylinder 32, the position correspondence between the hand grip 33 and the handles 111 is guaranteed, and the adjusting cylinder 32 also has the effect of positioning the hand grip 33.
In the embodiment of the circuit breaker 11 grabbing and dragging mechanism, referring to fig. 1 to 6, the telescopic rod of the adjusting cylinder 32 is connected to the crank arm 37 through a floating joint. The floating joint connection is adopted, so that the hand grip 33 can play a role in vibration reduction and buffering in the process of adjusting the displacement.
Referring to fig. 1 to 6, a specific embodiment of the circuit breaker 11 grabbing and pulling mechanism provided in this embodiment is shown, and the rotation-preventing structure is a rotation-preventing plane disposed on the rotating shaft 35. With pivot 35 complex slider 39's hole with have the planar pivot 35 section cooperation of preventing changeing, prevent changeing the function that the plane replaces the key, play the problem that prevents slider 39 and take place the rotation, guarantee can with pivot 35 synchronous revolution, prevent changeing the plane and also play the effect of direction to slider 39's slip. The crank arm 37 is assembled at the outer end of the rotating shaft 35, and the rotation of the crank arm 37 can be prevented by adopting a key connection mode.
The circuit breaker 11 that this embodiment provided snatchs a concrete implementation of dragging mechanism, anti-rotation structure can also be as follows: the cross section of the rotating shaft 35 is oval, square, regular hexagon and the like, and two symmetrical anti-rotation planes can be arranged on the rotating shaft 35 to play a role in preventing rotation after the crank arms 37 are assembled. Of course, the two ends of the rotating shaft 35 are circular structures and are matched with the bearing seats 36 so as to facilitate the rotation of the rotating shaft 35.
Referring to fig. 1 to 6, the crank arm 37 includes a shaft sleeve assembled on the rotating shaft 35, and an outer support arm and an inner support arm radially connected to the shaft sleeve, the outer support arm and the inner support arm are axially staggered, the telescopic rod of the grasping cylinder 31 is hinged to the outer support arm, and the telescopic rod of the adjusting cylinder 32 is connected to the inner support arm.
Referring to fig. 1 to 2, 7 and 9, the circuit breaker grabbing and pulling mechanism provided in this embodiment further includes a switching operation module 6, where the switching operation module 6 is disposed on the sliding connection plate 4 and located between two groups of the gripper modules 3; the switching operation assembly 6 includes a screw motor 62, a sleeve assembly 61, a push rod 63, a guide rail 64 and a slide carriage 65, the guide rail 64 is fixed on the sliding connection plate 4, the slide carriage 65 is in sliding fit with the guide rail 64, the screw motor 62 is fixed on the slide carriage 65, the sleeve assembly 61 is assembled on a spindle of the screw motor 62, and the push rod 63 is connected on the slide carriage 65.
The circuit breaker 11 that this embodiment provided snatchs a specific implementation mode of dragging mechanism, the effect of switching operation subassembly 6 is when circuit breaker 11 pushes the switch board to close the switch board door after, push rod 63 promotes slide 65 forward, slide 65 drives to revolve revolves electrical machine 62 and sleeve subassembly 61 and moves forward, sleeve subassembly 61 is aimed at shaking into on the circuit breaker 11 and is shaken out handle hole 112, realizes the switching of circuit breaker 11 test state and operating condition.
The switching of 11 operating condition of circuit breaker utilizes motor drive to realize, has replaced artifical manual operation, has reduced manual operation's intensity of labour.
The circuit breaker 11 that this embodiment provided snatchs a particular implementation mode of dragging mechanism, see fig. 3 and show, the circuit breaker snatchs dragging mechanism still includes locating component 8, and locating component 8 sets up in the front end both sides of slide 1, and locating component 8 is including setting up in the support 81 of slide 1 front end and being fixed in locating pin 82 on the support 81, and locating pin 82 is used for pegging graft with the locating hole on the switch board.
When the circuit breaker 11 is pulled out, the position of the hand grip 33 and the handle 111 needs to be ensured to be opposite, so that the circuit breaker 11 can be pulled out smoothly; the positioning assembly 8 moves forward along with the sliding plate 1 until the positioning pin 82 is inserted into the positioning hole in the power distribution cabinet, and the position dragged out of the circuit breaker 11 is just right. And set up locating pin 82 and locating hole, save the counterpoint time and the work of readjusting during manual operation, operation labour saving and time saving.
The circuit breaker 11 that this embodiment provided snatchs a detailed implementation mode of dragging mechanism, refer to fig. 1 to fig. 3, fig. 8 shows, the circuit breaker snatchs dragging mechanism still includes locking subassembly 5, locking subassembly 5 sets up in the front end intermediate position of slide 1, locking subassembly 5 includes deflector 10, the board 9 of bending, latch hook 53 and spring 52, deflector 10 and the board 9 of bending are connected in the front end of slide 1, latch hook 53 articulates on the board 9 of bending through round pin axle 54 to pass the guiding hole 101 on the deflector 10 backward, spring 52 connects between latch hook 53 and the ear seat 51 that is fixed in on the slide 1, latch hook 53 is used for with the lockhole locking on the switch board.
When the circuit breaker 11 is pulled out, the locking assembly 5 moves forwards along with the sliding plate 1, and after the circuit breaker 11 is moved to the pulling-out position of the circuit breaker 11, when the circuit breaker 11 is pulled out, the mechanism can be subjected to reverse force and has a trend of being far away from a power distribution cabinet, and the circuit breaker 11 is caused to exist in a suspended state in the pulling-out process, so that when the positioning pin 82 is inserted into the positioning hole, the inclined surface of the locking hook 53 is gradually extruded, the spring 52 at the rear end of the locking hook 53 is stretched, the locking hook 53 takes the pin shaft 54 as a fulcrum relative to the pulling-out route of the circuit breaker 11, horizontal rotation is in an inclined state until the inclined surface of the locking hook 53 is not extruded, then the inclined surface returns to be positive under the restoring force of the spring 52, the locking is carried out on the locking hole of the power distribution cabinet, and the mechanism is guaranteed to be reliably connected with the power distribution cabinet in the pulling-out process of the circuit breaker 11.
Optionally, the support 81 of the positioning assembly 8 is fixed at two ends of the bending plate 9, the vertical plate of the bending plate 9 is also provided with a limiting hole 91 through which the locking hook 53 passes, and the bending plate 9 and the guide plate 10 form two supports for the locking hook 53, so that the locking hook 53 can be ensured to move horizontally forward.
Referring to fig. 1 to 2, 7 and 9, the circuit breaker grasping and pulling mechanism further includes a switching operation assembly 6 and a locking assembly 5, where the switching operation assembly 6 is disposed on the sliding connection plate 4 and located between two groups of the gripper assemblies 3; the switching operation assembly 6 includes a screw motor 62, a sleeve assembly 61, a push rod 63, a guide rail 64 and a slide carriage 65, the guide rail 64 is fixed on the sliding connection plate 4, the slide carriage 65 is in sliding fit with the guide rail 64, the screw motor 62 is fixed on the slide carriage 65, the sleeve assembly 61 is assembled on a spindle of the screw motor 62, and the push rod 63 is connected on the slide carriage 65. Locking subassembly 5 sets up in the front end intermediate position of slide 1, locking subassembly 5 includes deflector 10, the board 9 of bending, latch hook 53 and spring 52, deflector 10 and the board 9 of bending are connected in the front end of slide 1, latch hook 53 articulates on the board 9 of bending through round pin axle 54 to pass the guiding hole 101 on the deflector 10 backward, spring 52 is connected between latch hook 53 and the ear seat 51 that is fixed in on the slide 1, latch hook 53 be used for with the lockhole locking on the switch board.
The circuit breaker 11 that this embodiment provided snatchs a particular implementation mode of dragging mechanism, circuit breaker snatch dragging mechanism still include switching operation subassembly 6, locking subassembly 5 and locating component 8, and locating component 8 sets up in the front end both sides of slide 1, and locating component 8 is including setting up in the support 81 of slide 1 front end and being fixed in locating pin 82 on the support 81, and locating pin 82 is used for pegging graft with the locating hole on the switch board.
The positioning assembly 8 and the locking assembly 5 jointly form three-dimensional positioning for the sliding plate 1, namely, limitation is achieved in the XYZ directions, the problem that the sliding plate 1 is shifted in the dragging-out process of the breaker 11 is avoided, and safety of the breaker 11 in the dragging process is guaranteed.
Referring to fig. 1 to 2 and 8, a supporting seat 2 for supporting the circuit breaker 11 is respectively disposed on the left and right sides of the sliding plate 1. The circuit breaker 11 is pulled out, and along with the backward movement of the sliding connection plate 4, the circuit breaker 11 moves to the sliding plate 1 and moves along the supporting seats 2 at the two sides. Specifically, the supporting seat 2 includes a section steel 21 and an angle steel 22, the section steel 21 is fixed on the sliding plate 1 as a support of the angle steel 22, and the angle steel 22 serves as a track for the wheel movement of the chassis of the circuit breaker 11, so that reliable guarantee is provided for the support and the position of the circuit breaker 11 after being pulled out.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a circuit breaker snatchs drags mechanism which characterized in that includes:
a skateboard (1);
a linear drive assembly (7) mounted on the sled (1);
the sliding connecting plate (4) is connected to the linear driving assembly (7); and
the two groups of gripper assemblies (3) are symmetrically arranged on the sliding connecting plate (4); the linear driving assembly (7) drives the sliding connection plate (4) to move forwards, so that a handle (33) of the handle assembly (3) can be used for grabbing a handle (111) on the circuit breaker and moving backwards to pull the circuit breaker out of the power distribution cabinet.
2. The circuit breaker grabbing and dragging mechanism according to claim 1, wherein the grabbing hand assembly (3) comprises the grabbing hand (33), a rotating shaft (35) and a grabbing cylinder (31), the grabbing hand (33) is assembled on the rotating shaft (35), two ends of the rotating shaft (35) are assembled on the sliding connection plate (4) through a bearing seat (36), a cylinder body of the grabbing cylinder (31) is hinged on the sliding connection plate (4), and a telescopic rod of the grabbing cylinder (31) is hinged on a crank arm (37) assembled on the rotating shaft (35); the telescopic rod of grabbing cylinder (31) stretches out forward, drives pivot (35) drive grab handle (33) upset downwards snatchs handle (111).
3. The circuit breaker grabbing and dragging mechanism according to claim 2, wherein the grabbing component (3) further comprises an adjusting cylinder (32) and a sliding block (39) slidably assembled on the rotating shaft (35), the grabbing hand (33) is fixed on the sliding block (39), the cylinder body of the adjusting cylinder (32) is fixed on the grabbing hand (33), and the telescopic rod of the adjusting cylinder (32) is connected with the crank arm (37); the rotating shaft (35) is provided with an anti-rotation structure capable of preventing the sliding block (39) from rotating.
4. The circuit breaker grabbing and towing mechanism according to claim 3, wherein the telescopic rod of the adjusting cylinder (32) is connected with the crank arm (37) through a floating joint.
5. The circuit breaker grabbing and pulling mechanism according to claim 3, wherein the rotation preventing structure is a rotation preventing plane disposed on the rotating shaft (35).
6. The circuit breaker gripping and dragging mechanism according to claim 3, characterized in that said crank arm (37) comprises a bushing fitted to said rotating shaft (35), and an outer arm and an inner arm radially connected to said bushing, said outer arm being axially offset from said inner arm, the telescopic rod of said gripping cylinder (31) being hinged to said outer arm, the telescopic rod of said adjusting cylinder (32) being connected to said inner arm.
7. The circuit breaker grabbing and dragging mechanism is characterized by further comprising a switching operation assembly (6), wherein the switching operation assembly (6) is arranged on the sliding connection plate (4) and is positioned between the two groups of the gripper assemblies (3); switch operation subassembly (6) including revolving wrong motor (62), sleeve subassembly (61), push rod (63), guide rail (64) and slide (65), guide rail (64) are fixed in on sliding connection board (4), slide (65) are in guide rail (64) sliding fit, revolve wrong motor (62) and be fixed in on slide (65), sleeve subassembly (61) assemble in revolve on revolving the main shaft of motor (62), push rod (63) connect in on slide (65).
8. The circuit breaker grabbing and dragging mechanism according to claim 1, further comprising positioning assemblies (8), wherein the positioning assemblies (8) are disposed on two sides of the front end of the sliding plate (1), the positioning assemblies (8) comprise supports (81) disposed on the front end of the sliding plate (1) and positioning pins (82) fixed on the supports (81), and the positioning pins (82) are used for being inserted into positioning holes in a power distribution cabinet.
9. The circuit breaker grabbing and pulling mechanism according to claim 1, further comprising a locking assembly (5), wherein the locking assembly (5) is disposed at a middle position of the front end of the sliding plate (1), the locking assembly (5) comprises a guide plate (10), a bending plate (9), a locking hook (53) and a spring (52), the guide plate (10) and the bending plate (9) are connected to the front end of the sliding plate (1), the locking hook (53) is hinged to the bending plate (9) through a pin shaft (54) and passes through a guide hole (101) in the guide plate (10) backwards, the spring (52) is connected between the locking hook (53) and an ear seat (51) fixed on the sliding plate (1), and the locking hook (53) is used for locking a lock hole in a power distribution cabinet.
10. The circuit breaker grabbing and dragging mechanism according to claim 1, wherein the left side and the right side of the sliding plate (1) are respectively provided with a supporting seat (2) for supporting the circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590402.6A CN114883962B (en) | 2022-05-26 | 2022-05-26 | Grabbing and dragging mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590402.6A CN114883962B (en) | 2022-05-26 | 2022-05-26 | Grabbing and dragging mechanism of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114883962A true CN114883962A (en) | 2022-08-09 |
| CN114883962B CN114883962B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210590402.6A Active CN114883962B (en) | 2022-05-26 | 2022-05-26 | Grabbing and dragging mechanism of circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114825142A (en) * | 2022-05-26 | 2022-07-29 | 国网河北省电力有限公司石家庄供电分公司 | Handcart type circuit breaker replacing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101148797B1 (en) * | 2011-02-24 | 2012-05-24 | 엘에스산전 주식회사 | Three positions detecting apparatus for vacuum circuit breaker |
| CN203819857U (en) * | 2014-03-28 | 2014-09-10 | 海沃机械（中国）有限公司 | Hook gripper system of can pushing/pulling mechanism |
| CN104577841A (en) * | 2013-10-10 | 2015-04-29 | 施耐德电器工业公司 | Novel circuit breaker cranking-in and cranking-out driving mechanism |
| CN105563454A (en) * | 2016-03-08 | 2016-05-11 | 江苏省电力公司常州供电公司 | Intelligent overhaul cart body for centrally installed switchgear |
| CN208385912U (en) * | 2018-06-08 | 2019-01-15 | 天津联海电力设备有限公司 | For installing the mounting device of breaker in power distribution cabinet |
| CN212169740U (en) * | 2020-04-17 | 2020-12-18 | 河南省矿山起重机有限公司 | Turnover mechanism |
| CN214479010U (en) * | 2020-12-21 | 2021-10-22 | 上海良信电器股份有限公司 | Mobile device for fixed low-voltage circuit breaker, power distribution cabinet and transformer substation |
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2022
- 2022-05-26 CN CN202210590402.6A patent/CN114883962B/en active Active
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| KR101148797B1 (en) * | 2011-02-24 | 2012-05-24 | 엘에스산전 주식회사 | Three positions detecting apparatus for vacuum circuit breaker |
| CN104577841A (en) * | 2013-10-10 | 2015-04-29 | 施耐德电器工业公司 | Novel circuit breaker cranking-in and cranking-out driving mechanism |
| CN203819857U (en) * | 2014-03-28 | 2014-09-10 | 海沃机械（中国）有限公司 | Hook gripper system of can pushing/pulling mechanism |
| CN105563454A (en) * | 2016-03-08 | 2016-05-11 | 江苏省电力公司常州供电公司 | Intelligent overhaul cart body for centrally installed switchgear |
| CN208385912U (en) * | 2018-06-08 | 2019-01-15 | 天津联海电力设备有限公司 | For installing the mounting device of breaker in power distribution cabinet |
| CN212169740U (en) * | 2020-04-17 | 2020-12-18 | 河南省矿山起重机有限公司 | Turnover mechanism |
| CN214479010U (en) * | 2020-12-21 | 2021-10-22 | 上海良信电器股份有限公司 | Mobile device for fixed low-voltage circuit breaker, power distribution cabinet and transformer substation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114825142A (en) * | 2022-05-26 | 2022-07-29 | 国网河北省电力有限公司石家庄供电分公司 | Handcart type circuit breaker replacing method |
| CN114825142B (en) * | 2022-05-26 | 2024-03-12 | 国网河北省电力有限公司石家庄供电分公司 | Handcart type breaker replacement method |
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| Publication number | Publication date |
|---|---|
| CN114883962B (en) | 2023-10-17 |
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