A high-voltage cabinet operation auxiliary device

Abstract

The application discloses a high-voltage cabinet operation auxiliary device, which comprises a vehicle body, a steering mechanism, a traveling mechanism, a sensing mechanism and a positioning mechanism. The bottom of the vehicle body is respectively provided with a steering wheel and a driving wheel at the front and rear ends. The steering mechanism is used for driving the steering wheel to rotate radially. The traveling mechanism is used for driving the driving wheel to rotate axially. The positioning mechanism comprises a hook, a clamping jaw, a hook motor, a sliding motor and a clamping motor. The hook motor is used for driving the hook to slide. The sliding motor is used for driving the clamping jaw to slide. The clamping motor is used for driving the clamping jaw to open and close. The sensing mechanism is used for sensing the distance from the high-voltage cabinet. Through the steering mechanism and the traveling mechanism, the trolley can be automatically moved in front of the high-voltage cabinet, the efficiency of transferring the high-voltage cabinet after loading is improved, and through the positioning mechanism, the switch cabinet can be connected after the distance and the position are matched through the sensing mechanism, the safety in the transferring process is improved, and the problems that the existing high-voltage cabinet transferring mode is not easy to operate and has safety risks are solved.

Description

Technical Field

[0001] This application relates to the field of transfer device technology, and in particular to an auxiliary device for operating a high-voltage switchgear. Background Technology

[0002] During switching operations on high-voltage switchgear, substation operators often use handcarts to move the switchgear from the maintenance position to the testing position. Before moving, the handcart needs to be positioned to align with the switchgear, and then connected to the switchgear body using positioning pins and locking hooks to lock the handcart and high-voltage switchgear together. During the move, due to the weight of the high-voltage switchgear, pushing and pulling the handcart is strenuous for workers and carries the risk of injury. Summary of the Invention

[0003] In view of this, the purpose of this application is to provide a high-voltage switchgear operation auxiliary device to solve the problems of difficult operation and safety risks in the existing high-voltage switchgear transfer method.

[0004] To achieve the above technical objectives, this application provides a high-voltage switchgear operation auxiliary device, comprising: a vehicle body, a steering mechanism, a traveling mechanism, a sensing mechanism, and an alignment mechanism;

[0005] The vehicle body is equipped with steering wheels and drive wheels at the front and rear ends of its bottom, respectively.

[0006] The steering mechanism includes: an electric actuator;

[0007] The electric actuator is mounted on the vehicle body, and its output end is connected to the steering wheel to drive the steering wheel to rotate radially.

[0008] The traveling mechanism includes: a drive motor;

[0009] The drive motor is mounted on the vehicle body and its output end is connected to the drive wheel, which is used to drive the drive wheel to rotate around the axial direction.

[0010] The alignment mechanism includes: a hook, a gripper, a hook motor, a sliding motor, and a gripping motor;

[0011] The hook is slidably mounted on the vehicle body in the front-to-back direction;

[0012] The hook motor is mounted on the vehicle body, and its output end is connected to the hook to drive the hook to slide.

[0013] The gripper is slidably mounted on the vehicle body in the front-to-back direction;

[0014] The sliding motor is mounted on the vehicle body, and its output end is connected to the gripper to drive the gripper to slide.

[0015] The gripping motor is mounted on the vehicle body, and its output end is connected to the gripper, which is used to drive the gripper to open and close.

[0016] The sensing mechanism includes: multiple distance sensors;

[0017] Multiple distance sensors are mounted on the vehicle body to sense the distance to the high-voltage switchgear.

[0018] Furthermore, the vehicle body is equipped with an electric lifting platform;

[0019] Both the sensing mechanism and the alignment mechanism are mounted on the electric lifting platform.

[0020] Furthermore, the alignment mechanism also includes: a slide rail and a base;

[0021] The slide rail is mounted on the vehicle body, and the length direction of the slide rail is the front-to-back direction;

[0022] The platform is slidably mounted on the slide rail;

[0023] The gripper is disposed on the base;

[0024] The output end of the sliding motor is connected to the base.

[0025] Furthermore, the slide rail is a lead screw;

[0026] A fixed seat is provided on the vehicle body;

[0027] Both ends of the slide rail are mounted on the fixed base.

[0028] Furthermore, guide rods are provided on both sides of the slide rail, and the two guide rods are symmetrically distributed relative to the slide rail;

[0029] The two ends of the pedestal are respectively threaded onto the two guide rods;

[0030] The gripper is located in the middle of the base.

[0031] Furthermore, the gripper includes: two gripping rods, a support rod, and two connecting rods;

[0032] The clamping motor is a telescopic motor;

[0033] The two clamping rods are rotatably mounted on both sides of the support rod;

[0034] The first ends of the two connecting rods are respectively connected to the rear ends of the two clamping rods, and the second ends of both are connected to the output end of the clamping motor.

[0035] The clamping motor drives the connecting rod to move back and forth, thereby causing the front ends of the two clamping rods to move closer or further apart.

[0036] Furthermore, the steering wheel includes: a rotating disk and a wheel;

[0037] The rotating disk is rotatably mounted at the bottom of the vehicle body in a horizontal direction;

[0038] The wheel is rotatably mounted on the rotating disk, and the direction of rotation is perpendicular to the direction of rotation of the rotating disk;

[0039] The output end of the electric actuator is connected to the rotating disk.

[0040] Furthermore, the traveling mechanism also includes: a drive shaft and a chain;

[0041] The drive shaft is fixedly connected to the drive wheel;

[0042] The chain is connected to both the drive shaft and the drive motor.

[0043] Furthermore, the distance sensor is an infrared sensor.

[0044] Furthermore, it also includes a braking mechanism;

[0045] The braking mechanism includes: a brake motor and brake pads;

[0046] The brake pads are mounted on the vehicle body and located beside the drive wheels;

[0047] The brake motor is a telescopic motor, and its output end is connected to the brake pad, which is used to drive the brake pad to move closer to or away from the drive wheel.

[0048] As can be seen from the above technical solutions, this application provides a high-voltage switchgear operation auxiliary device, including: a vehicle body, a steering mechanism, a traveling mechanism, a sensing mechanism, and an alignment mechanism; the bottom of the vehicle body is provided with steering wheels and drive wheels at the front and rear ends respectively; the steering mechanism is used to drive the steering wheels to rotate radially; the traveling mechanism is used to drive the drive wheels to rotate axially; the alignment mechanism includes: a hook, a gripper, a hook motor, a sliding motor, and a clamping motor; the hook motor is used to drive the hook to slide; the sliding motor is used to drive the gripper to slide; the clamping motor is used to drive the gripper to open and close; the sensing mechanism is used to sense the distance to the high-voltage switchgear. The steering mechanism and traveling mechanism can drive the vehicle to automatically move to the front of the high-voltage switchgear, improving the transfer efficiency after loading the high-voltage switchgear. Simultaneously, by matching the distance and position through the sensing mechanism and connecting the switchgear through the alignment mechanism, the safety during the transfer process can be improved, solving the problems of difficult operation and safety risks in existing high-voltage switchgear transfer methods. Attached Figure Description

[0049] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0050] Figure 1 A top view of a high-voltage switchgear operation auxiliary device provided in an embodiment of this application;

[0051] Figure 2 A bottom view of a high-voltage switchgear operation auxiliary device provided in an embodiment of this application;

[0052] Figure 3 A schematic diagram of the gripper opening state of a high-voltage switchgear operation auxiliary device provided in this application embodiment;

[0053] Figure 4 A schematic diagram of the gripper closing state of a high-voltage switchgear operation auxiliary device provided in this application embodiment;

[0054] Figure 5 This is a schematic diagram of the braking mechanism of a high-voltage switchgear operation auxiliary device provided in an embodiment of this application. Detailed Implementation

[0055] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection claimed in this application.

[0056] In the description of the embodiments of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0057] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a replaceable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0058] Please see Figure 1 and Figure 2 This application provides a high-voltage switchgear operation auxiliary device, comprising: a vehicle body 1, a steering mechanism 2, a traveling mechanism 3, a sensing mechanism 4, and an alignment mechanism 5; the bottom front and rear ends of the vehicle body 1 are respectively provided with steering wheels 11 and drive wheels 12. It should be noted that, in this solution, the front and rear ends of the vehicle body 1 refer to the two opposite ends on the vehicle body, which is only used to enhance understanding. In actual applications, the directions of the front and rear ends can be reversed.

[0059] The steering mechanism 2 includes an electric actuator 21. The electric actuator 21 is mounted on the vehicle body 1, and its output end is connected to the steering wheel 11, used to drive the steering wheel 11 to rotate radially. Specifically, the steering wheel 11 changes the direction of travel of the vehicle body 1 by rotating radially. The traveling mechanism 3 includes a drive motor 31. The drive motor 31 is mounted on the vehicle body 1, and its output end is connected to the drive wheel 12, used to drive the drive wheel 12 to rotate axially. Through the steering mechanism 2 and the traveling mechanism 3, the automatic travel and steering of the vehicle body 1 can be controlled, which can effectively improve the transfer efficiency and save the physical strength of the staff compared to a push-pull trolley.

[0060] The alignment mechanism 5 includes: a hook 51, a gripper 52, a hook motor 53, a sliding motor 54, and a gripping motor 55. The hook 51 is slidably mounted on the vehicle body 1 in the front-to-back direction. The hook motor 53 is mounted on the vehicle body 1, and its output end is connected to the hook 51 to drive the hook 51 to slide. The gripper 52 is slidably mounted on the vehicle body 1 in the front-to-back direction. The sliding motor 54 is mounted on the vehicle body 1, and its output end is connected to the gripper 52 to drive the gripper 52 to slide. The gripping motor 55 is mounted on the vehicle body 1, and its output end is connected to the gripper 52 to drive the gripper 52 to open and close. The hook 51 can be located at the front end of the vehicle body 1 for attaching a high-voltage switchgear. The hook motor 53 then controls the hook 51 to tighten with the high-voltage switchgear. The gripper 52 moves forward and backward controlled by the sliding motor 54 and opens and closes controlled by the gripping motor 55. After the hook 51 is connected to the high-voltage switchgear, the gripper can move forward to grasp the back of the high-voltage switchgear, completing the connection.

[0061] The sensing mechanism 4 includes multiple distance sensors 41. These distance sensors 41 are all mounted on the vehicle body 1 and are used to sense the distance to the high-voltage switchgear. Each distance sensor 41 is an infrared sensor and faces the front end of the vehicle body 1. Four distance sensors 41 may be included, positioned on the left and right sides and the top of the vehicle body 1.

[0062] It should be noted that a controller 6 can be installed on the vehicle body 1. The controller 6 is electrically connected to the steering mechanism 2, the traveling mechanism 3, the sensing mechanism 4, and the alignment mechanism 5. After obtaining the position and distance of the high-voltage cabinet sensed by the distance sensor 41, it controls the electric push rod 21 and the drive motor 31 to move the vehicle body 1 to the front of the high-voltage cabinet. Then, it controls the hook motor 53, the sliding motor 54, and the gripping motor 55 to start, so that the hook 51 and the gripper 52 connect with the high-voltage cabinet. The controller 6 can be equipped with a control panel and an emergency stop button 61 for cutting off the power. The control panel serves as a human-machine interface, allowing the high-voltage cabinet operation auxiliary device to perform the functions of the buttons. The control panel 61 is connected to multiple proximity switches 63 and limit switches 62 arranged in the front-rear direction. When the gripper 52 pulls the high-voltage cabinet to the first proximity switch 63, the sliding motor 54 enters low-speed movement. Reaching the second proximity switch 63 indicates that the movement stops. Reaching the limit switch 62 indicates that the proximity switch needs maintenance and that the movement should be stopped urgently.

[0063] Furthermore, an electric lifting platform 13 is provided on the vehicle body 1; the sensing mechanism 4 and the alignment mechanism 5 are both provided on the electric lifting platform 13.

[0064] Specifically, the electric lifting platform 13 is electrically connected to the controller 6; through the electric lifting platform 13, the hook 51 and the gripper 52 can be controlled to rise and fall to the position corresponding to the high voltage cabinet.

[0065] Furthermore, the alignment mechanism 5 also includes: a slide rail 56 and a base 57; the slide rail 56 is mounted on the vehicle body 1, and the length direction of the slide rail 56 is the front-to-back direction; the base 57 is slidably mounted on the slide rail 56; the gripper 52 is mounted on the base 57; and the output end of the sliding motor 54 is connected to the base 57. That is, the sliding motor 54 controls the movement of the gripper 52 by driving the base 57 to slide along the slide rail 56.

[0066] In this embodiment, the slide rail 56 is a lead screw; a fixed seat 58 is provided on the car body 1; both ends of the slide rail 56 are provided on the fixed seat 58.

[0067] Furthermore, guide rods 59 are provided on both sides of the slide rail 56, and the two guide rods 59 are symmetrically distributed with respect to the slide rail 56; the two ends of the platform 57 are respectively threaded through the two guide rods 59; the gripper 52 is provided in the middle of the platform 57.

[0068] Through two guide rods 59, the slide rail 56 can be assisted to play the roles of stable transmission and load bearing.

[0069] Further, please refer to Figure 3 and Figure 4 , the clamping jaw 52 includes: two clamping rods 521, a support rod 522 and two connecting rods 523; the clamping motor 55 is a telescopic motor; the two clamping rods 521 are rotatably arranged on both sides of the support rod 522; the first ends of the two connecting rods 523 are respectively connected to the rear ends of the two clamping rods 521, and the second ends are both connected to the output end of the clamping motor 55; the clamping motor 55 makes the front ends of the two clamping rods 521 approach or move away from each other by driving the connecting rods 523 to move back and forth.

[0070] Further, please refer to Figure 2 , the steering wheel 11 includes: a rotating disk 111 and a wheel 112; the rotating disk 111 is rotatably arranged at the bottom of the vehicle body 1 in the horizontal direction; the wheel 112 is rotatably arranged on the rotating disk 111, and the rotation direction is perpendicular to the rotation direction of the rotating disk 111; the output end of the electric push rod 21 is connected to the rotating disk 111.

[0071] Among them, the rotating disk 111 can be a frame type, and the wheel 112 is arranged inside the frame surrounded by the rotating disk 111. When the electric push rod 21 drives the rotating disk 111 to rotate, the rotating disk 111 drives the wheel 112 to rotate around its own radial direction to achieve steering.

[0072] Further, the traveling mechanism 3 further includes: a transmission shaft 33 and a chain 32; the transmission shaft 33 is fixedly connected to the driving wheel 12; the chain 32 is in transmission connection with both the transmission shaft 33 and the driving motor 31.

[0073] Specifically, in this embodiment, there are two driving wheels 12, which are arranged at both ends of the transmission shaft 33. The driving motor 31 drives the transmission shaft 33 to rotate through the chain 32, and then drives the two driving wheels 12 to rotate.

[0074] Further, a braking mechanism 6 is further included. Please refer to Figure 5 , the braking mechanism 7 includes: a braking motor 71 and a brake pad 72; the brake pad 72 is arranged on the vehicle body 1 and is located beside the driving wheel 12; the braking motor 71 is a telescopic motor, and its output end is connected to the brake pad 72 for driving the brake pad 72 to approach or move away from the driving wheel 12.

[0075] Among them, the braking motor 71 can be electrically connected to the controller 6; the brake pad 72 can be of an ancient character type; through the braking motor 71, electric braking control can be achieved. Correspondingly, a brake for braking the steering wheel 11 can also be arranged beside the steering wheel 11, so that when pushing or pulling the high-voltage cabinet, it can move smoothly without abnormal phenomena such as tilting.

[0076] It should be noted that the base 57 is also equipped with a bracket 571 for clamping the high-voltage switchgear.

[0077] The above are merely preferred embodiments of this application and are not intended to limit the present invention. Although this application has been described in detail with reference to examples, those skilled in the art can still modify the technical solutions described in the foregoing examples or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A high-voltage switchgear operation auxiliary device, characterized in that, include: Vehicle body, steering mechanism, traveling mechanism, sensing mechanism, and alignment mechanism; The vehicle body is equipped with steering wheels and drive wheels at the front and rear ends of its bottom, respectively. The steering mechanism includes: an electric actuator; The electric actuator is mounted on the vehicle body, and its output end is connected to the steering wheel to drive the steering wheel to rotate radially. The traveling mechanism includes: a drive motor; The drive motor is mounted on the vehicle body and its output end is connected to the drive wheel, which is used to drive the drive wheel to rotate around the axial direction. The alignment mechanism includes: a hook, a gripper, a hook motor, a sliding motor, and a gripping motor; The hook is slidably mounted on the vehicle body in the front-to-back direction; The hook motor is mounted on the vehicle body, and its output end is connected to the hook to drive the hook to slide. The gripper is slidably mounted on the vehicle body in the front-to-back direction; The sliding motor is mounted on the vehicle body, and its output end is connected to the gripper to drive the gripper to slide. The gripping motor is mounted on the vehicle body, and its output end is connected to the gripper, which is used to drive the gripper to open and close. The sensing mechanism includes: multiple distance sensors; Multiple distance sensors are mounted on the vehicle body to sense the distance to the high-voltage switchgear.

2. The high-voltage switchgear operation auxiliary device according to claim 1, characterized in that, The vehicle body is equipped with an electric lifting platform; Both the sensing mechanism and the alignment mechanism are mounted on the electric lifting platform.

3. The high-voltage switchgear operation auxiliary device according to claim 1, characterized in that, The alignment mechanism further includes: a slide rail and a base; The slide rail is mounted on the vehicle body, and the length direction of the slide rail is the front-to-back direction; The platform is slidably mounted on the slide rail; The gripper is disposed on the base; The output end of the sliding motor is connected to the base.

4. The high-voltage switchgear operation auxiliary device according to claim 3, characterized in that, The slide rail is a lead screw; A fixed seat is provided on the vehicle body; Both ends of the slide rail are mounted on the fixed base.

5. The high-voltage switchgear operation auxiliary device according to claim 4, characterized in that, Guide rods are provided on both sides of the slide rail, and the two guide rods are symmetrically distributed with respect to the slide rail; The two ends of the pedestal are respectively threaded onto the two guide rods; The gripper is located in the middle of the base.

6. The high-voltage switchgear operation auxiliary device according to claim 1, characterized in that, The gripper includes: two gripping rods, a support rod, and two connecting rods; The clamping motor is a telescopic motor; The two clamping rods are rotatably mounted on both sides of the support rod; The first ends of the two connecting rods are respectively connected to the rear ends of the two clamping rods, and the second ends of both are connected to the output end of the clamping motor. The clamping motor drives the connecting rod to move back and forth, thereby causing the front ends of the two clamping rods to move closer or further apart.

7. The high-voltage switchgear operation auxiliary device according to claim 1, characterized in that, The steering wheel includes: a rotating disk and a wheel; The rotating disk is rotatably mounted at the bottom of the vehicle body in a horizontal direction; The wheel is rotatably mounted on the rotating disk, and the direction of rotation is perpendicular to the direction of rotation of the rotating disk; The output end of the electric actuator is connected to the rotating disk.

8. The high-voltage switchgear operation auxiliary device according to claim 1, characterized in that, The traveling mechanism also includes: a drive shaft and a chain; The drive shaft is fixedly connected to the drive wheel; The chain is connected to both the drive shaft and the drive motor.

9. The high-voltage switchgear operation auxiliary device according to claim 1, characterized in that, The distance sensor is an infrared sensor.

10. The high-voltage switchgear operation auxiliary device according to claim 1, characterized in that, It also includes the braking mechanism; The braking mechanism includes: a brake motor and brake pads; The brake pads are mounted on the vehicle body and located beside the drive wheels; The brake motor is a telescopic motor, and its output end is connected to the brake pad, which is used to drive the brake pad to move closer to or away from the drive wheel.

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