CN114883962B - Circuit breaker grabbing and dragging mechanism - Google Patents

Abstract

The invention provides a grabbing and dragging mechanism of a circuit breaker, 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 connecting 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 connecting plate to move forwards, so that the handles of the handle assembly grab the handles on the circuit breaker and move backwards to drag the circuit breaker out of the power distribution cabinet. According to the circuit breaker grabbing and dragging mechanism, 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 then the gripper assembly is driven by the linear driving assembly to move backwards, so that the circuit breaker can be dragged out of the power distribution cabinet. When the breaker is replaced or maintained, the manual labor intensity is greatly reduced, the labor burden of operators is lightened, and the working efficiency is improved.

Description

Circuit breaker grabbing and dragging mechanism

Technical field

The invention belongs to the technical field of electric power facilities, and specifically relates to a circuit breaker grabbing and dragging mechanism.

Background technique

A circuit breaker refers to a switching device that can close, carry, and break current under normal circuit conditions and can close, carry, and break current under abnormal circuit conditions within a specified time.

Handcart-type circuit breakers are large in size and weight, and the traditional manual push-pull movement method of replacement is labor-intensive and time-consuming.

Contents of the invention

Embodiments of the present invention provide a circuit breaker grabbing and dragging mechanism, aiming to reduce manual labor intensity and improve work efficiency when replacing circuit breakers.

In order to achieve the above object, the technical solution adopted by the present invention is to provide a circuit breaker grabbing and dragging mechanism, which includes: a sliding plate, a linear drive assembly, a sliding connecting plate and two sets of grabber assemblies. The linear driving assembly is assembled on the sliding plate. on; the sliding connection plate is connected to the linear drive assembly; two sets of gripper assemblies are symmetrically arranged on the sliding connection plate; the linear drive assembly drives the sliding connection plate to move forward, causing the gripper assembly to move forward. Grab the handle on the circuit breaker with your gripper and move it backwards to pull the circuit breaker out of the distribution cabinet.

In a possible implementation, the gripper assembly includes the gripper, a rotating shaft and a grabbing cylinder, the gripper is assembled on the rotating shaft, and both ends of the rotating shaft are assembled on the rotating shaft through bearing seats. On the sliding connecting plate, the cylinder body of the grabbing cylinder is hinged on the sliding connecting plate, and the telescopic rod of the grabbing cylinder is hinged on the arm mounted on the rotating shaft; the telescopic rod of the grabbing cylinder is hinged on the sliding connecting plate. The rod extends forward, drives the rotating shaft to drive the gripper to flip downward, and grasps the handle.

In a possible implementation, the gripper assembly further includes an adjustment cylinder and a slider slidably assembled on the rotating shaft, the gripper is fixed on the slider, and the cylinder body of the adjustment cylinder is fixed On the gripper, the telescopic rod of the adjustment cylinder is connected to the swing arm; the rotating shaft has an anti-rotation structure that can prevent the slider from rotating.

In a possible implementation, the telescopic rod of the adjustment cylinder is connected to the hinge arm through a floating joint.

In a possible implementation, the anti-rotation structure is an anti-rotation plane provided on the rotating shaft.

In a possible implementation, the hinge arm includes a sleeve assembled on the rotating shaft, and an outer support arm and an inner support arm radially connected to the sleeve, and the outer support arm and the The inner support arm is axially offset, 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, the circuit breaker grabbing and dragging mechanism further includes a switching operation component, which is provided on the sliding connection plate and is located in the middle of the two sets of grabber components; The switching operation assembly includes 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 slidingly fitted on the guide rail, and the screwing motor is fixed on the sliding connection plate. On the sliding seat, the sleeve assembly is assembled on the main shaft of the screwing motor, and the push rod is connected to the sliding seat.

In a possible implementation, the circuit breaker grabbing and dragging mechanism further includes a positioning component, which is disposed on both sides of the front end of the skateboard. The positioning component includes a support disposed on the front end of the skateboard; Positioning pins fixed on the support, the positioning pins are used for plugging into the positioning holes on the distribution cabinet.

In a possible implementation, the circuit breaker grabbing and dragging mechanism further includes a locking component, the locking component is disposed at the middle position of the front end of the slide plate, the locking component includes a guide plate, a bending Plate, lock hook and spring, the guide plate and the bending plate are connected to the front end of the slide plate, the lock hook is hinged to the bending plate through a pin and passes backward through the guide plate The spring is connected between the lock hook and the ear seat fixed on the sliding plate, and the lock hook is used to lock with the lock hole on the power distribution cabinet.

In a possible implementation, support seats for supporting the circuit breaker are respectively provided on the left and right sides of the sliding plate.

Compared with the prior art, the circuit breaker grabbing and dragging mechanism provided by the present invention has the beneficial effect of using the linear drive assembly to drive the gripper assembly to move forward, using the gripper assembly to grasp the handle of the circuit breaker, and then linearly driving The circuit breaker can be pulled out of the distribution cabinet by moving it backwards driven by the component. Using the circuit breaker grabbing and dragging mechanism provided in this embodiment, when the circuit breaker is replaced or repaired, power can be used to drag the circuit breaker out of the cabinet, and push the repaired or new circuit breaker into the cabinet to achieve circuit breaking. The automatic dragging or pushing of the device greatly reduces the manual labor intensity, reduces the labor burden of the operators, and improves work efficiency.

Description of the drawings

Figure 1 is a schematic structural diagram of a circuit breaker grabbing and dragging mechanism provided by an embodiment of the present invention;

Figure 2 is a schematic structural diagram 2 of a circuit breaker grabbing and dragging mechanism provided by an embodiment of the present invention;

Figure 3 is a schematic structural diagram three of the circuit breaker grabbing and dragging mechanism provided by the embodiment of the present invention;

Figure 4 is a schematic structural diagram of a gripper assembly provided by an embodiment of the present invention;

Figure 5 is a schematic second structural diagram of a gripper assembly provided by an embodiment of the present invention;

Figure 6 is a schematic structural diagram three of the gripper assembly provided by the embodiment of the present invention;

Figure 7 is a schematic structural diagram of a switching operation component provided by an embodiment of the present invention;

Figure 8 is a schematic structural diagram of a locking assembly provided by an embodiment of the present invention;

Figure 9 is a schematic structural diagram of the circuit breaker grabbing and dragging mechanism in use according to the embodiment of the present invention;

Explanation of reference symbols:

1. Skateboard; 2. Support seat; 21. Section steel; 22. Angle steel; 3. Gripper assembly; 31. Grasp cylinder; 32. Adjustment cylinder; 33. Gripper; 34. Reinforcement plate; 35. Rotating shaft; 36. Bearing seat; 37, arm; 38, tensioning sleeve; 39, slider; 4, sliding connecting plate; 5, locking component; 51, ear seat; 52, spring; 53, lock hook; 54, pin; 6. Switching operating component; 61. Sleeve component; 62. Screwing motor; 63. Push rod; 64. Guide rail; 65. Slide seat; 7. Linear drive component; 71. Drive motor; 72. Screw; 73. Slide rail; 8. Positioning component; 81. Support; 82. Positioning pin; 9. Bending plate; 91. Limiting hole; 10. Guide plate; 101. Guide hole; 11. Circuit breaker; 111. Handle; 112 , operating hole.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present 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" and "right" appear, the positional relationship when the circuit breaker is pulled out is toward the circuit breaker. The direction of the circuit breaker is front, and the direction away from the circuit breaker is rear. This is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot It should be understood as a limitation of the present invention.

Please refer to Figures 1 to 6 together to describe the circuit breaker grabbing and dragging mechanism provided by the present invention. The circuit breaker grabbing and dragging mechanism includes a sliding plate 1, a linear driving assembly 7, a sliding connecting plate 4 and two sets of grabber assemblies 3. 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; two sets of gripper assemblies 3 are symmetrically arranged on the sliding connection plate 4; the linear drive assembly 7 drives the sliding connection plate 4 to move forward, so that the gripper 33 of the gripper assembly 3 grasps the handle 111 on the circuit breaker 11, And move it backward to pull out the circuit breaker 11 from the distribution cabinet.

Compared with the prior art, the grasping and dragging mechanism of the circuit breaker 11 provided in this embodiment uses the linear drive assembly 7 to drive the gripper assembly 3 to move forward, and uses the gripper assembly 3 to grasp the handle 111 of the circuit breaker 11, and then The circuit breaker 11 can be dragged out of the distribution cabinet by moving backward driven by the linear drive assembly 7 .

By utilizing the circuit breaker 11 grabbing and dragging mechanism provided in this embodiment, when the circuit breaker 11 is replaced or repaired, power can be used to drag the circuit breaker 11 out of the cabinet and push the repaired or new circuit breaker 11 into the cabinet. In the body, the automatic pulling out or pushing in of the circuit breaker 11 is realized, which greatly reduces the manual labor intensity, reduces the labor burden of the operators, and improves the work efficiency.

As shown in Figure 9, during the specific operation of replacing the circuit breaker 11, the grabbing and dragging mechanism of the circuit breaker 11 provided in this embodiment is assembled on a three-dimensional mobile platform. By adjusting the XYZ position of the three-dimensional mobile platform, it can be realized The grabbing and dragging mechanism is accurately positioned at the position of circuit breaker 11 to be replaced. Each position adjustment can be realized through automatic control, and manual operation is not required, saving time and effort.

The linear drive assembly 7 provided in this embodiment is optionally driven by a screw 72, specifically including a drive motor 71, a screw 72 connected to the drive motor 71, and a screw nut screwed to the screw 72. , and slide rails 73 respectively located on the left and right sides of the screw rod 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 connecting plate 4 is fixed on the screw mother, and the sliding connecting plate 4 The left and right sides of the lower surface are fixed on the slide rails 73. The drive motor 71 drives the screw rod 72 to rotate, which is converted into a linear movement of the screw mother, thereby driving the slide plate 1 to reciprocate along the slide rail 73, so that the gripper assembly 3 approaches the circuit breaker 11 forward and moves backward after grabbing the circuit breaker 11. Drag circuit breaker 11 out.

In some embodiments, the linear drive component 7 can also be an electric push rod 63, an electric slide, a cylinder drive, or other mechanisms that can achieve linear movement.

A specific implementation of the grabbing and dragging mechanism of the circuit breaker 11 provided in this embodiment is shown in Figures 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, both ends of the rotating shaft 35 are assembled on the sliding connecting plate 4 through the bearing seats 36. The cylinder body of the grabbing cylinder 31 is hinged on the sliding connecting plate 4. The telescopic rod of the grabbing cylinder 31 is hinged on the rotating shaft 35. The telescopic rod of the grasping cylinder 31 extends forward, and the driving shaft 35 drives the grasping hand 33 to flip downward to grasp the handle 111.

The working process of the gripper assembly 3 is as follows: the drive motor 71 is started, driving the slide plate 1 to move forward to the circuit breaker 11 gripping position, the telescopic rod of the gripping cylinder 31 extends forward, and pushes the rotating shaft 35 to rotate downward. Drive the gripper 33 to flip downward until the gripper 33 grasps the handle 111 on the chassis of the circuit breaker 11; the drive motor 71 rotates in the opposite direction, driving the screw rod 72 to rotate in the opposite direction, and the screw nut moves backward, driving the slide plate 1 to After moving backward, the circuit breaker 11 can move backward with the grabbing component until it separates from the distribution cabinet and is dragged onto the sliding plate 1; when the telescopic rod is retracted, the rotating shaft 35 can be driven to rotate backwards and reversely, and the gripper 33 is separated from the handle 111. The cylinder of the gripper assembly 3 is used to automatically grab the circuit breaker 11, and the power of the drive motor 71 is used to automatically drag the circuit breaker 11 backward, which can free the operator's hands, reduce the labor intensity of the operator, and through automatic control It can achieve precise alignment and avoid the problem of manual hand-eye movements requiring multiple attempts to grasp.

Optionally, as shown in FIGS. 1 to 6 , the grab handle 33 is a bent sheet metal part so as to be able to grasp the handle 111 . At the same time, in order to improve the strength of the gripper 33 and prevent the gripper 33 from deforming during the pulling process, a reinforcing plate 34 is attached to the gripper 33. In particular, the reinforcing plate 34 can be a rectangular steel pipe.

Optionally, as shown in FIGS. 1 to 6 , the arm 37 is assembled on the outer end of the bearing seat 36 on the rotating shaft 35 , and the gripper 33 is assembled between the two bearing seats 36 . At the same time, a tensioning sleeve 38 is provided on the rotating shaft 35 on which the hinge arm 37 is assembled to lock the hinge arm 37 . The tensioning sleeve 38 can be selected as a nut, and a double nut or a matching pin can be used to lock the closure.

This embodiment provides a specific implementation of the grabbing and dragging mechanism of the circuit breaker 11. Refer to Figures 1 to 6. The gripper assembly 3 also includes an adjusting cylinder 32 and a slider 39 slidably assembled on the rotating shaft 35. The gripper 33 is fixed on the slider 39, the cylinder body of the adjustment cylinder 32 is fixed on the gripper 33, and the telescopic rod of the adjustment cylinder 32 is connected to the arm 37; the rotating shaft 35 has an anti-rotation structure that can prevent the slider 39 from rotating.

An adjusting cylinder 32 is provided based on the gripper 33 and the arm 37. The gripper 33 and the arm 37 are both assembled on the rotating shaft 35. The adjusting cylinder 32 extends and the gripper 33 can move along the rotating axis 35, thereby adjusting the two grippers. The distance between the handles 33 is adjusted by adjusting the cylinder 32. The distance between the handles 33 can be adjusted according to the distance between the handles 111 on the circuit breaker 11 to ensure the positional correspondence between the handles 33 and the handles 111. The adjustment of the cylinder 32 also plays a role. To the effect of positioning the gripper 33.

A specific implementation of the grabbing and dragging mechanism of the circuit breaker 11 provided in this embodiment is shown in FIGS. 1 to 6 . The telescopic rod of the adjustment cylinder 32 and the hinge arm 37 are connected through a floating joint. The floating joint is used for connection, so that the gripper 33 can play a vibration-absorbing and buffering role in the process of adjusting the displacement.

A specific implementation of the grabbing and dragging mechanism of the circuit breaker 11 provided in this embodiment is shown in FIGS. 1 to 6 . The anti-rotation structure is an anti-rotation plane provided on the rotating shaft 35 . The inner hole of the slider 39 that cooperates with the rotation shaft 35 cooperates with the rotation shaft 35 section with an anti-rotation plane. The anti-rotation plane replaces the function of a key and prevents the slider 39 from rotating, ensuring that it can rotate synchronously with the rotation shaft 35 and prevent The rotation plane also plays a guiding role for the sliding movement of the slider 39. The arm 37 is assembled on the outer end of the rotating shaft 35 and can be connected by a key to prevent the arm 37 from rotating.

This embodiment provides a specific implementation of the grabbing and dragging mechanism of the circuit breaker 11. The anti-rotation structure can also be the following structure: the cross section of the rotating shaft 35 is an ellipse, a square, a regular hexagon, etc., and the anti-rotation structure of the rotating shaft 35 can also be Two symmetrical anti-rotation planes are provided on the crank arm 37 to prevent rotation after assembly. Of course, both ends of the rotating shaft 35 are circular structures that cooperate with the bearing seats 36 to facilitate the rotation of the rotating shaft 35 .

A specific implementation of the grabbing and dragging mechanism of the circuit breaker 11 provided in this embodiment is shown in FIGS. 1 to 6 . The arm 37 includes a sleeve assembled on the rotating shaft 35 and a shaft radially connected to the sleeve. The outer support arm and the inner support arm are axially offset. The telescopic rod of the grabbing cylinder 31 is hinged on the outer support arm, and the telescopic rod of the adjusting cylinder 32 is connected on the inner support arm.

The grabbing cylinder 31 and the adjusting cylinder 32 are respectively hinged on different fulcrums, and through the misalignment of the inner and outer support arms, the non-axiality of the hinge point of the grabbing cylinder 31 and the hinge point of the adjusting cylinder 32 is reflected, thereby reflecting The non-axiality of the hinge point between the telescopic rod of the adjusting cylinder 32 and the grasping cylinder 31 provides a larger torque for the expansion and contraction of the grasping cylinder 31, thereby optimizing energy consumption, or in other words, realizing the flipping and grasping of the gripper 33. Keep the action of the handle 111 and use less energy consumption.

A specific implementation of the circuit breaker 11 grabbing and dragging mechanism provided in this embodiment is shown in Figures 1 to 2, 7 and 9. The circuit breaker grabbing and dragging mechanism also includes a switching operating component 6. The operating component 6 is arranged on the sliding connecting plate 4 and is located in the middle of the two sets of gripper components 3; the switching operating component 6 includes a screwing motor 62, a sleeve component 61, a push rod 63, a guide rail 64 and a sliding seat 65. The guide rail 64 It is fixed on the sliding connection plate 4, the sliding seat 65 is slidingly matched with the guide rail 64, the screwing motor 62 is fixed on the sliding seat 65, the sleeve assembly 61 is assembled on the main shaft of the screwing motor 62, and the push rod 63 is connected to the sliding seat 65. superior.

This embodiment provides a specific implementation of the grabbing and dragging mechanism of the circuit breaker 11. The function of the switching operation component 6 is to push the push rod 63 forward when the circuit breaker 11 is pushed into the distribution cabinet and the door of the distribution cabinet is closed. Push the sliding seat 65, and the sliding seat 65 drives the screwing motor 62 and the sleeve assembly 61 to move forward, and the sleeve assembly 61 is aligned with the rocking-in and rocking-out operating hole 112 on the circuit breaker 11 to achieve the test state and working state of the circuit breaker 11 switch.

The switching of the working state of the circuit breaker 11 can be realized by driving the motor, which replaces manual operation and reduces the labor intensity of manual work.

A specific implementation of the circuit breaker 11 grabbing and dragging mechanism provided in this embodiment is shown in Figure 3. The circuit breaker grabbing and dragging mechanism also includes a positioning component 8. The positioning component 8 is disposed on both sides of the front end of the skateboard 1. , the positioning assembly 8 includes a support 81 provided at the front end of the slide plate 1 and a positioning pin 82 fixed on the support 81. The positioning pin 82 is used to be plugged into the positioning hole on the power distribution cabinet.

When pulling out the circuit breaker 11, it is necessary to ensure that the positions of the gripper 33 and the handle 111 are directly opposite, so that the circuit breaker 11 can be pulled out smoothly; the positioning assembly 8 moves forward with the slide plate 1 until the positioning pin 82 is inserted into the power distribution cabinet. When positioning the hole, the circuit breaker 11 is pulled out to the right position. The positioning pins 82 and the positioning holes are provided to save the time and labor of repeated adjustments during manual operation, and the operation is time-saving and labor-saving.

A specific implementation of the circuit breaker 11 grabbing and dragging mechanism provided in this embodiment is shown in Figures 1 to 3 and 8. The circuit breaker grabbing and dragging mechanism also includes a locking component 5. The locking component 5 Disposed in the middle of the front end of the skateboard 1, the locking assembly 5 includes a guide plate 10, a bending plate 9, a lock hook 53 and a spring 52. The guide plate 10 and the bend plate 9 are connected to the front end of the skateboard 1, and the lock hook 53 passes through a pin. The shaft 54 is hinged on the bending plate 9 and passes backward through the guide hole 101 on the guide plate 10. The spring 52 is connected between the lock hook 53 and the ear seat 51 fixed on the slide plate 1. The lock hook 53 is used to connect with the The keyhole on the distribution cabinet is locked.

When pulling out the circuit breaker 11, the locking component 5 moves forward with the slide plate 1. After moving to the pull-out position of the circuit breaker 11, when the circuit breaker 11 is pulled out, the mechanism will receive a reverse force and have the ability to move away from the circuit breaker 11. The trend of the distribution cabinet causes the circuit breaker 11 to appear in a suspended state during the pulling out process. Therefore, when the positioning pin 82 is inserted into the positioning hole, the slope of the lock hook 53 is gradually squeezed, and the back end of the lock hook 53 The spring 52 stretches, and the lock hook 53 is dragged out relative to the circuit breaker 11 with the pin 54 as the fulcrum, and rotates horizontally in an inclined state until the slope of the lock hook 53 is not squeezed, and then under the restoring force of the spring 52 Return to the right position and lock it on the keyhole of the distribution cabinet, ensuring that the mechanism and the distribution cabinet are still reliably connected during the process of pulling the circuit breaker 11 away.

Optionally, the supports 81 of the positioning assembly 8 are fixed at both ends of the bending plate 9, and the vertical plate of the bending plate 9 is also provided with a limiting hole 91 through which the lock hook 53 passes. The bending plate 9 and the guide The plate 10 forms two supports for the lock hook 53, which can ensure the horizontal forward movement of the lock hook 53.

A specific implementation of the circuit breaker 11 grabbing and dragging mechanism provided in this embodiment is shown in Figures 1 to 2, 7 and 9. The circuit breaker grabbing and dragging mechanism also includes a switching operating component 6 and a lock. The stop assembly 5 and the switching operating assembly 6 are arranged on the sliding connecting plate 4 and are located in the middle of the two sets of gripper assemblies 3; the switching operating assembly 6 includes a screwing motor 62, a sleeve assembly 61, a push rod 63, a guide rail 64 and a sliding The seat 65 and the guide rail 64 are fixed on the sliding connection plate 4, the sliding seat 65 is slidingly matched with the guide rail 64, the screwing motor 62 is fixed on the sliding seat 65, the sleeve assembly 61 is assembled on the main shaft of the screwing motor 62, and the push rod 63 Connected to the sliding seat 65. The locking component 5 is arranged at the middle position of the front end of the skateboard 1. The locking component 5 includes a guide plate 10, a bending plate 9, a lock hook 53 and a spring 52. The guide plate 10 and the bending plate 9 are connected to the front end of the skateboard 1. The locking component 5 The hook 53 is hinged to the bending plate 9 through the pin 54, and passes backward through the guide hole 101 on the guide plate 10. The spring 52 is connected between the lock hook 53 and the ear seat 51 fixed on the slide plate 1. The lock hook 53 is used to lock with the keyhole on the distribution cabinet.

This embodiment provides a specific implementation of the circuit breaker 11 grabbing and dragging mechanism. The circuit breaker grabbing and dragging mechanism also includes a switching operating component 6, a locking component 5 and a positioning component 8. The positioning component 8 is provided on the sliding plate 1 On both sides of the front end, the positioning assembly 8 includes a support 81 provided at the front end of the slide plate 1 and a positioning pin 82 fixed on the support 81. The positioning pin 82 is used to be plugged into the positioning hole on the power distribution cabinet.

The positioning component 8 and the locking component 5 together form a three-dimensional positioning of the slide plate 1, that is, the XYZ direction is restricted, which avoids the problem of the slide plate 1 shifting during the pulling out of the circuit breaker 11, and ensures that the circuit breaker 11 is pulled out. safety during pulling.

A specific implementation of the grabbing and dragging mechanism of the circuit breaker 11 provided in this embodiment is shown in Figures 1 to 2 and 8. The left and right sides of the slide plate 1 are respectively provided with support seats 2 for supporting the circuit breaker 11. . The circuit breaker 11 is dragged out, and as the sliding connecting plate 4 moves backward, the circuit breaker 11 moves onto the sliding plate 1 and moves along the support bases 2 on both sides. Specifically, the support base 2 includes a section steel 21 and an angle steel 22. The section steel 21 is fixed on the sliding plate 1 and serves as a support for the angle steel 22. The angle steel 22 serves as a track for the wheels of the chassis of the circuit breaker 11 to move after the circuit breaker 11 is pulled out. Support and position provide reliable guarantee.

In the above embodiments, each embodiment is described with its own emphasis. For parts that are not detailed or documented in a certain embodiment, please refer to the relevant descriptions of other embodiments.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (7)

1. A circuit breaker grabbing and dragging mechanism, which is characterized by including: skateboard(1); Linear drive assembly (7), assembled on the slide plate (1); Sliding connecting plate (4), connected to the linear drive assembly (7); and Two sets of gripper assemblies (3) are symmetrically arranged on the sliding connection plate (4); the linear drive assembly (7) drives the sliding connection plate (4) to move forward, so that the gripper assembly ( 3) Grab the handle (111) on the circuit breaker with the gripper (33), and move it backward to drag the circuit breaker out of the distribution cabinet; The gripper assembly (3) includes the gripper (33), a rotating shaft (35) and a grabbing cylinder (31). The gripper (33) is assembled on the rotating shaft (35), and the rotating shaft (35) Both ends of 35) are assembled on the sliding connection plate (4) through bearing seats (36), and the cylinder body of the grabbing cylinder (31) is hinged on the sliding connection plate (4). The telescopic rod of the cylinder (31) is hinged to the arm (37) assembled on the rotating shaft (35); the telescopic rod of the grabbing cylinder (31) extends forward to drive the rotating shaft (35). The gripper (33) flips downward to grab the handle (111); The gripper assembly (3) also includes an adjustment cylinder (32) and a slider (39) slidably assembled on the rotating shaft (35). The gripper (33) is fixed on the slider (39). , the cylinder body of the adjusting cylinder (32) is fixed on the gripper (33), and the telescopic rod of the adjusting cylinder (32) is connected to the hinge arm (37); the rotating shaft (35) has a removable An anti-rotation structure that prevents the slider (39) from rotating; The hinge arm (37) includes a sleeve assembled on the rotating shaft (35), and an outer support arm and an inner support arm radially connected to the sleeve. The outer support arm and the inner support arm The telescopic rod of the grabbing cylinder (31) is hingedly connected to the outer support arm, and the telescopic rod of the adjusting cylinder (32) is connected to the inner support arm. 2. The circuit breaker grabbing and dragging mechanism according to claim 1, characterized in that the telescopic rod of the adjustment cylinder (32) and the hinge arm (37) are connected through a floating joint. 3. The circuit breaker grabbing and dragging mechanism according to claim 1, characterized in that the anti-rotation structure is an anti-rotation plane provided on the rotating shaft (35). 4. The circuit breaker grabbing and dragging mechanism according to claim 1, characterized in that the circuit breaker grabbing and dragging mechanism further includes a switching operating component (6), and the switching operating component (6) is disposed on the On the sliding connecting plate (4), and located in the middle of the two sets of gripper assemblies (3); the switching operation assembly (6) includes a screwing motor (62), a sleeve assembly (61), a push rod ( 63), guide rail (64) and slide seat (65). The guide rail (64) is fixed on the sliding connection plate (4). The slide seat (65) slides and fits on the guide rail (64). The screwing motor (62) is fixed on the sliding seat (65), the sleeve assembly (61) is assembled on the main shaft of the screwing motor (62), and the push rod (63) is connected to the sliding seat (65). On the seat (65). 5. The circuit breaker grabbing and dragging mechanism according to claim 1, characterized in that the circuit breaker grabbing and dragging mechanism further includes a positioning component (8), and the positioning component (8) is arranged on the sliding plate. On both sides of the front end of (1), the positioning assembly (8) includes a support (81) provided at the front end of the slide plate (1) and a positioning pin (82) fixed on the support (81). The pin (82) is used to plug into the positioning hole on the distribution cabinet. 6. The circuit breaker grabbing and dragging mechanism according to claim 1, characterized in that the circuit breaker grabbing and dragging mechanism further includes a locking component (5), and the locking component (5) is disposed on the The middle position of the front end of the slide plate (1), the locking assembly (5) includes a guide plate (10), a bending plate (9), a lock hook (53) and a spring (52). The guide plate (10) The bending plate (9) is connected to the front end of the slide plate (1), and the lock hook (53) is hinged to the bending plate (9) through a pin (54) and passes backward. The guide hole (101) on the guide plate (10), the spring (52) is connected between the lock hook (53) and the ear seat (51) fixed on the slide plate (1), so The lock hook (53) is used for locking with the keyhole on the distribution cabinet. 7. The circuit breaker grabbing and dragging mechanism according to claim 1, characterized in that support seats (2) for supporting the circuit breaker are respectively provided on the left and right sides of the sliding plate (1).