Vacuum circuit breaker assembly tool

Abstract

The utility model relates to circuit breaker assembly equipment, in particular to a vacuum circuit breaker assembly tool. Comprising a rack, a lifting device and two clamping mechanisms, the lifting device is connected to the rack and used for driving a circuit breaker to ascend and descend, and the two clamping mechanisms are arranged on the left side and the right side of the lifting device respectively. Each clamping mechanism comprises a mounting plate connected to the rack in a left-right moving mode and a rotating plate rotationally connected to the mounting plate through a rotating shaft, and a self-locking structure used for fixing the mounting plate to a preset position is further arranged between the rack and the mounting plate. The rotating plates are further provided with two or more supporting columns used for being connected with the mechanism box in an inserted mode, and the rotating plates of the two clamping mechanisms are oppositely arranged. The utility model provides a vacuum circuit breaker assembly tool which can improve the applicability.

Description

TECHNICAL FIELD

[0001] The present application relates to a circuit breaker assembly device, in particular to a vacuum circuit breaker assembly tool. BACKGROUND

[0002] The length of the vacuum circuit breaker and the chassis vehicle increases with the increase of the working current, and the assembly tool in the related art needs to be made in a corresponding size to meet the assembly requirements according to different specifications of the circuit breaker, which has great limitations. The weight of the chassis vehicle is about 20 kg, which needs to be lifted to the installation height manually before installation, and uncertain safety hazards may occur during the installation process. SUMMARY

[0003] Therefore, the present application provides a vacuum circuit breaker assembly tool which can improve the applicability.

[0004] In order to achieve the above purpose, the present application realizes the following technical scheme:

[0005] A vacuum circuit breaker assembly tool, characterized in that: comprising a rack, a lifting device and two clamping mechanisms, the lifting device is connected to the rack for driving the circuit breaker to move up and down, the two clamping mechanisms are arranged on the left and right sides of the lifting device, the clamping mechanism comprises a mounting plate connected to the rack in a left-right moving manner, and a rotating plate connected to the mounting plate through a rotating shaft, a self-locking structure is further arranged between the rack and the mounting plate for fixing the mounting plate at a predetermined position, and more than two supporting columns for inserting the mechanism box are further arranged on the rotating plate, and the rotating plates of the two clamping mechanisms are oppositely arranged.

[0006] The vacuum circuit breaker assembly tool has the lifting device which is convenient for transferring products, and the two clamping mechanisms can move left and right, which can be applied to the assembly of different specifications of vacuum circuit breakers, wherein the rotating plate is used for inserting the mechanism box of the vacuum circuit breaker, and the mechanism box can be turned over, which is convenient for assembling corresponding parts on the mechanism box.

[0007] In some embodiments, the clamping mechanism further comprises a clamping slider connected to the mounting plate in a left-right moving manner, and a driving structure for driving the clamping slider to move left and right, the clamping slider is located at the rear side of the rotating plate, and the two clamping sliders can clamp the chassis vehicle during relative movement. Wherein the clamping slider can clamp the chassis vehicle from both sides, so that the mechanism box and the chassis vehicle are locked and connected, without manual lifting and supporting, and the safety is good.

[0008] In some embodiments, the clamping slider comprises side plates, a rear plate and a bottom plate fixedly connected together, the driving structure comprises a seat body fixedly arranged on the mounting plate, a telescopic rod, a first connecting rod and a second connecting rod and a handle, the seat body is provided with left and right through sleeves, the telescopic rod is slidingly connected in the sleeves, one end of the telescopic rod is fixedly connected with the side plate, the other end of the telescopic rod is hingedly connected with the first connecting rod, the first connecting rod is hingedly connected with the second connecting rod and the second connecting rod is hingedly connected with the seat body, the handle is fixedly connected with the second connecting rod, and the handle can drive the telescopic rod to move telescopically during rotation.

[0009] In some embodiments, the rotating shaft of the rotating plate is located at the middle upper part of the mechanism box, and the mounting plate is further provided with an upper limiting pin located at the rear upper part of the rotating plate and a lower limiting pin located at the front lower part of the rotating plate. The upper limiting pin and the lower limiting pin are used to avoid excessive deflection of the rotating plate. After the fixed sealed pole and the chassis car are assembled, the mechanism box is in a state of front light and rear heavy, the rotating shaft is located at the middle upper part of the mechanism box, and the circuit breaker can be automatically turned over from front to back by gravity, so that the circuit breaker is easy to be turned over.

[0010] In some embodiments, the clamping mechanism is connected to the rack through a slide rail slider assembly extending in the left-right direction, the rack is further provided with a screw nut assembly for driving the mounting plate to move left and right, the screw shaft of the screw nut assembly is further provided with a first screw direction wheel, and the slider of the slide rail slider assembly is a self-locking slider.

[0011] In some embodiments, the lifting device comprises a lifting platform, a fixed platform located below the lifting platform, and a lifting mechanism connected between the lifting platform and the fixed platform, the fixed platform is fixedly installed on the rack, the lifting mechanism comprises a screw rod structure and two front and rear connecting structures, each of the connecting structures comprises two left and right spaced side connecting rods and a connecting cross bar, the side connecting rod comprises an upper connecting rod hingedly connected with the lifting platform and a lower connecting rod hingedly connected with the upper connecting rod, the lower end of the lower connecting rod is hingedly connected with the fixed platform, the connecting cross bar is fixedly connected between the two side connecting rods, the screw rod structure comprises two connecting nuts respectively arranged on the two connecting cross bars, a rotating screw rod connected with the two connecting nuts, and a second screw direction wheel arranged at one end of the rotating screw rod, the rotation directions of the two connecting nuts are opposite, and the rotating screw rod can drive the two connecting cross bars to move close to or away from each other during rotation, thereby achieving the lifting of the lifting platform.

[0012] From the above technical solutions, the present application has at least the following advantages and positive effects:

[0013] 1. The present application has strong universality: the distance between the two clamping mechanisms can be easily adjusted through the two-side screw rod transmission to meet the use of different specifications of the withdrawable vacuum circuit breaker.

[0014] 2, The application has good safety: after the left and right clamping sliders are pushed forward, the chassis trolley can be fixed and will not fall off.

[0015] 3, The application is simple to operate: the rotating shaft is located above the center of the circuit breaker, and the circuit breaker can be easily turned over by gravity, which is easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure schematic diagram of the embodiment of the application is shown in the figure;

[0017] Figure 2 The structure schematic diagram of the lower part of the embodiment of the application is shown in the figure;

[0018] Figure 3 The structure schematic diagram of the lifting device in the embodiment of the application is shown in the figure;

[0019] Figure 4 The structure schematic diagram of the clamping slider and the driving structure in the embodiment of the application is shown in the figure;

[0020] Figure 5 The structure schematic diagram of the embodiment of the application after the circuit breaker is installed is shown in the figure;

[0021] Figure 6 The use state schematic diagram of the embodiment of the application is shown in the figure.

[0022] Label explanation: 1, rack; 2, lifting device; 21, lifting platform; 22, fixed platform; 23, screw structure; 231, connecting nut; 232, rotating screw; 233, second screw direction wheel; 24, connecting structure; 241, side link; 2411, upper link; 2412, lower link; 242, connecting cross bar; 3, clamping mechanism; 31, mounting plate; 32, rotating shaft; 33, rotating plate; 34, support column; 35, clamping slider; 351, side plate; 352, back plate; 353, bottom plate; 36, driving structure; 361, seat body; 3611, sleeve; 362, telescopic rod; 363, first connecting rod; 364, second connecting rod; 365, handle; 37, upper limit pin; 38, lower limit pin; 4, slide rail slider assembly; 5, screw nut assembly; 51, first screw direction wheel; 6, mechanism box; 61, hoisting hole; 7, chassis trolley; 8, solid sealed pole; DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the application more clear, the application will be further described in detail below with reference to the drawings. The terms used in the embodiment part of the application are only used to explain the specific embodiments of the application, and are not intended to limit the application.

[0024] Reference Figures 1 to 6A vacuum circuit breaker assembly fixture includes a frame 1, a lifting device 2, and two clamping mechanisms 3. The lifting device 2 is connected to the frame 1 to drive the circuit breaker to move up and down. The two clamping mechanisms 3 are respectively located on the left and right sides of the lifting device 2. Each clamping mechanism 3 includes a mounting plate 31 connected to the frame 1 in a left-right moving manner, and a rotating plate 33 rotatably connected to the mounting plate 31 via a rotating shaft 32. A self-locking structure for fixing the mounting plate 31 in a preset position is also provided between the frame 1 and the mounting plate 31. The rotating plate 33 is also provided with two or more support columns 34 for insertion into the mechanism box 6. The rotating plates 33 of the two clamping mechanisms 3 are arranged opposite to each other.

[0025] This vacuum circuit breaker assembly fixture has a lifting device 2 for easy product transfer, and two clamping mechanisms 3 that can move left and right, making it suitable for assembling vacuum circuit breakers of different specifications. The rotating plate 33 is used to insert into the mechanism box 6 of the vacuum circuit breaker and can rotate the mechanism box 6 to facilitate the assembly of corresponding parts on the mechanism box 6.

[0026] In some embodiments, the clamping mechanism 3 further includes a clamping slider 35 connected to the mounting plate 31 in a left-right movable manner, and a drive structure 36 for driving the clamping slider 35 to move left and right. The clamping slider 35 is located on the rear side of the rotating plate 33, and the two clamping sliders can clamp the chassis vehicle 7 during relative movement. The clamping slider 35 can clamp the chassis vehicle 7 from both sides, which facilitates the locking connection between the mechanism box 6 and the chassis vehicle 7 without the need for manual lifting and support, thus ensuring good safety.

[0027] In some embodiments, the clamping slider 35 includes a side plate 351, a rear plate 352, and a bottom plate 353 fixedly connected together. The driving structure 36 includes a base 361 fixedly disposed with the mounting plate 31, a telescopic rod 362, a first connecting rod 363 and a second connecting rod 364, and a handle 365. The base 361 is provided with a sleeve 3611 that extends through the left and right sides. The telescopic tube is slidably connected inside the sleeve 3611. One end of the telescopic rod 362 is fixedly connected to the side plate 351, and the other end of the telescopic rod 362 is hinged to the first connecting rod. The first connecting rod 363 is hinged to the second connecting rod 364, and the second connecting rod 364 is hinged to the base 361. The handle 365 is fixedly connected to the second connecting rod 364. The handle 365 can drive the telescopic rod 362 to extend and retract during rotation.

[0028] In some embodiments, the rotating shaft 32 of the rotating plate 33 is located at the middle upper part of the mechanism box 6, and the mounting plate 31 is further provided with an upper limiting pin 37 located at the rear side above the rotating plate 33 and a lower limiting pin 38 located at the front side below the rotating plate 33. The upper limiting pin 37 and the lower limiting pin 38 are both used to avoid excessive deflection of the rotating plate 33. After the fixed sealed pole 8 and the chassis vehicle 7 are installed, the mechanism box 6 is in a state of being front light and rear heavy, the rotating shaft 32 is located at the middle upper part of the mechanism box 6, and the circuit breaker can be automatically turned over from front to back by gravity, so that the circuit breaker is easy to be turned over.

[0029] In some embodiments, the clamping mechanism 3 is connected to the rack 1 through the slide rail slider assembly 4 extending in the left-right direction, and the rack 1 is further provided with the lead screw nut assembly 5 for driving the mounting plate 31 to move left and right, and the lead screw shaft of the lead screw nut assembly 5 is further provided with a first lead screw direction wheel 51, and the slider of the slide rail slider assembly 4 is a self-locking slider.

[0030] In some embodiments, the lifting device 2 includes a lifting platform 21, a fixed platform 22 located below the lifting platform 21, and a lifting mechanism connected between the lifting platform 21 and the fixed platform 22. The fixed platform 22 is fixedly installed on the rack 1, and the lifting mechanism includes a lead screw structure 23 and two front and rear connecting structures 24. Each connecting structure 24 includes two left and right spaced side connecting rods 241 and a connecting cross rod 242. The side connecting rod 241 includes an upper connecting rod 2411 hinged to the lifting platform 21 and a lower connecting rod 2412 hinged to the upper connecting rod 2411. The lower end of the lower connecting rod 2412 is hinged to the fixed platform 22. The connecting cross rod 242 is connected and fixed between the two side connecting rods. The lead screw structure 23 includes two connecting nuts 231 respectively arranged on the two connecting cross rods 242, a rotating lead screw 232 connected to the two connecting nuts 231, and a second lead screw direction wheel 233 arranged at one end of the rotating lead screw 232. The rotation directions of the two connecting nuts 231 are opposite, and the rotating lead screw 232 can drive the two connecting cross rods 242 to move close to or away from each other during rotation, thereby achieving the lifting of the lifting platform 21.

[0031] The circuit breaker includes a mechanism box 6 and a fixed sealed pole 8 installed on the mechanism box 6. After the circuit breaker is installed, the chassis vehicle 7 is usually connected to facilitate the transfer of the circuit breaker in the subsequent process.

[0032] The working process and use method of the vacuum circuit breaker assembly tool in the above embodiment are briefly described as follows:

[0033] Rotate the second lead screw direction wheel 233 of the lifting device 2 to raise the lifting platform 21 of the lifting device 2 to the same height as the slide rail, and place it into the mechanism box 6 of the circuit breaker. Then rotate the lead screw 232 direction wheel in sequence to bring the two clamping mechanisms 3 closer together. Adjust the rotating plate 33 so that the support column 34 on the rotating plate 33 is inserted into the lifting hole 61 of the mechanism box 6 and close tightly. Lock the self-locking slider and lower the lifting device 2. After installing the sealing pole 8 on the mechanism box 6, flip the circuit breaker mechanism box 6 upwards, so that it is in the position shown in the image. Figure 5 The state shown is as follows. Push handle 365 to push out clamping slider 35. Place chassis 7 into the two clamping sliders 35, and then fasten chassis 7 and mechanism box 6. After completion, pull out quick clamp and retract clamping slider 35. The circuit breaker flips under its own weight, chassis 7 faces down. Rotate the second lead screw direction wheel 233 of lifting device 2 to raise lifting device 2 to the same height as slide rail. Release self-locking slider and rotate first lead screw direction wheel to move clamping mechanism 3 outward, completing the installation of vacuum circuit breaker.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of this application, and are not intended to limit them; although the embodiments of this application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A vacuum circuit breaker assembly tool characterized by: The device comprises a frame, a lifting device connected to the frame for driving the circuit breaker to move up and down, and two clamping mechanisms arranged on the left and right sides of the lifting device, each of the clamping mechanisms comprising a mounting plate movably connected to the frame and a rotating plate rotatably connected to the mounting plate, a self-locking structure being arranged between the frame and the mounting plate for fixing the mounting plate at a preset position, and two or more supporting columns being arranged on the rotating plate for plugging with the mechanism box.

2. A vacuum circuit breaker assembly tool as claimed in claim 1, wherein: Each of the clamping mechanisms further comprises a clamping slider movably connected to the mounting plate and a driving structure for driving the clamping slider to move left and right, the clamping slider being located at the rear side of the rotating plate and capable of clamping the chassis during relative movement.

3. The vacuum circuit breaker assembly tool of claim 2, wherein: The clamping slider comprises a side plate, a rear plate and a bottom plate fixedly connected together, the driving structure comprises a seat fixedly arranged on the mounting plate, an extension rod, a first connecting rod and a second connecting rod and a handle, the seat is provided with a sleeve penetrating through left and right, the extension rod is slidingly connected in the sleeve, one end of the extension rod is fixedly connected with the side plate, the other end of the extension rod is hingedly connected with the first connecting rod, the first connecting rod is hingedly connected with the second connecting rod and the second connecting rod is hingedly connected with the seat, and the handle is fixedly connected with the second connecting rod, the handle being capable of driving the extension rod to move in extension and retraction during rotation.

4. The vacuum circuit breaker assembly tool of claim 1, wherein: The rotating shaft of the rotating plate is located at the middle upper part of the mechanism box, and the mounting plate is further provided with an upper limiting pin located at the rear upper side of the rotating plate and a lower limiting pin located at the front lower side of the rotating plate.

5. The vacuum circuit breaker assembly tool of claim 1, wherein: The clamping mechanism is connected to the frame through a slide rail slider assembly extending in the left and right directions, the frame is further provided with a screw nut assembly for driving the mounting plate to move left and right, the screw shaft of the screw nut assembly is further provided with a first screw direction wheel, and the slider of the slide rail slider assembly is a self-locking slider.

6. The vacuum circuit breaker assembly tool of claim 1, wherein: The lifting device comprises a lifting platform, a fixed platform located below the lifting platform, and a lifting mechanism connected between the lifting platform and the fixed platform, the fixed platform being fixedly installed on the frame, the lifting mechanism comprising a screw structure and two front and rear connecting structures, each of the connecting structures comprising two left and right spaced side connecting rods and a connecting cross bar, the side connecting rod comprising an upper connecting rod hingedly connected with the lifting platform and a lower connecting rod hingedly connected with the upper connecting rod, the lower end of the lower connecting rod being hingedly connected with the fixed platform, the connecting cross bar being connected and fixed between the two side connecting rods, the screw structure comprising two connecting nuts respectively arranged on the two connecting cross bars, a rotating screw connected with the two connecting nuts, and a second screw direction wheel arranged at one end of the rotating screw, the rotation directions of the two connecting nuts being opposite, the rotating screw being capable of driving the two connecting cross bars to move close to or away from each other during rotation, thereby realizing the lifting of the lifting platform.

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