CN218482581U - Unlocking device for handcart interlocking mechanism of high-voltage cabinet - Google Patents

Abstract

The utility model relates to a high-voltage board technical field specifically is a high-voltage board handcart interlocking device unlocking device, including the cabinet body and handcart, the inside of the cabinet body is provided with the appearance chamber of placing the handcart, the handcart is located the place ahead of the cabinet body, the bottom sliding connection of handcart has the removal frame of placing on ground, the inside of the cabinet body is provided with latched device, latched device is connected with fastening device. According to the unlocking device for the handcart interlocking mechanism of the high-voltage cabinet, the bottom plate in the cabinet body sinks under the action of the gravity of the handcart to drive the side brackets on the two sides to fix the position of the handcart, so that the position of the handcart in the high-voltage cabinet is ensured to be quickly limited and fixed, the handcart can be conveniently installed by an operator, and the integral installation rate is improved.

Description

A high-voltage cabinet handcart interlock mechanism unlocking device

technical field

The utility model relates to the technical field of high-voltage cabinets, in particular to an unlocking device for a handcart interlock mechanism of a high-voltage cabinet.

Background technique

The handcart type switchgear, including the cabinet body, is equipped with an upper door, a middle door and a lower door in front of the cabinet body; the characteristic is that there is a detachable baffle in the cabinet body. The busbar room and the cable room are separated; there is a hole on the baffle into which the moving contact of the integrated current transformer can be inserted. Only the handcart needs to be replaced during maintenance, which can shorten the power outage time for maintenance, and is suitable for places with heavy loads or small building areas. According to the different structure of the cabinet, it can be divided into two types: partition type and metal decoration type. The cabinet is divided into small rooms according to maintenance and insulation requirements to reduce mutual influence

At present, during the installation and maintenance of the handcart, when the handcart is pushed into the switch cabinet, the traditional method uses bolts to fix the position of the handcart, but the bolts are relatively cumbersome in the process of installation, maintenance and disassembly, which affects installation and maintenance. Maintenance efficiency, at the same time, during the unlocking process, operators often need to enter the cabinet to unlock it, because of the limitation of the internal space of the cabinet and the uncertainty of the bolt installation position, it is very inconvenient for maintenance and installation personnel to operate. In view of this, we propose a high-voltage cabinet handcart interlock mechanism unlocking device.

Utility model content

The purpose of this utility model is to provide an unlocking device for the interlocking mechanism of the handcart of the high-voltage cabinet, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

An unlocking device for a handcart interlocking mechanism of a high-voltage cabinet, comprising a cabinet and a handcart, the interior of the cabinet is provided with a cavity for placing a handcart, the handcart is located in front of the cabinet, and the bottom of the handcart Slidingly connected with a mobile frame placed on the ground, the inside of the cabinet is provided with a locking mechanism, and the locking mechanism is connected with a fastening mechanism;

The locking mechanism includes a fixing device and a tripping device;

The fixing device is used to limit and fix the position of the handcart;

The tripping device is used for releasing the restriction and fixing of the handcart by the fixing device.

Preferably, the fixing device includes a frame, the frame is slidably connected to the inner wall of the cabinet, the bottom of the frame is fixedly connected with a bottom plate, and the bottom of the bottom plate is rotatably connected with a first bracket and a second bracket, the The first bracket and the second bracket are respectively rotatably connected with a third connecting rod and a sliding sleeve, the surface of the third connecting rod is slidably connected inside the sliding sleeve, and a telescopic spring is sleeved on the third connecting rod, so One end of the telescopic spring is fixedly connected with the sliding sleeve, and the other end of the telescopic spring is fixedly connected with the third connecting rod.

Preferably, a relief slot is provided on the frame, a fixed slide plate is slidably connected to the relief slot, a side bracket is fixedly connected to the fixed slide plate, and the side support is slidably connected to the cabinet body.

Preferably, there are two side supports, and hooks are fixedly connected to the two side supports.

Preferably, the tripping device includes a threaded plate, the threaded plate is internally threaded with a screw, the front end of the screw passes through the cabinet and is fixedly connected with a runner, and the rear end of the screw rotates Connected to the cabinet body, the threaded plate is slidably connected with a fixed block, the top of the fixed block is fixedly connected to the bottom of the bottom plate, and the threaded plate is fixedly connected with a top block, and the top block is located in front of the fixed block department.

Preferably, the fastening mechanism includes a connecting plate, and two fixing rods are fixedly connected to the connecting board, and the fixing rods are slidably connected to the side brackets, and tension springs are sleeved on the surface of the fixing rods, One end of the tension spring is fixedly connected to the front part of the fixed rod, the other end of the tension spring is fixedly connected to the side bracket, a chute is provided inside the cabinet, and the surface of the fixed rod is slidably connected in the chute.

Preferably, there are two connecting plates, and the two connecting plates are slidably connected by a connecting slide bar, and both ends of the connecting slide bar are fixedly connected inside the cabinet.

Compared with the prior art, the beneficial effects of the utility model are:

1. The unlocking device of the handcart interlock mechanism of the high-voltage cabinet drives the side brackets on both sides to fix the position of the handcart through the sinking of the bottom plate in the cabinet by the gravity of the handcart, so as to ensure that the position of the handcart in the high-voltage cabinet is realized quickly. The limit is fixed, which facilitates the installation of the handcart by the operator and improves the overall installation speed.

2. The unlocking device of the handcart interlock mechanism of the high-voltage cabinet, through the set release device, when the maintenance personnel rotates the screw rod, it will drive the active rise of the bottom plate, and the limit of the handcart by the fixing device will be released during the rising process of the bottom plate, so that Realize the process of fast unlocking, so that maintenance personnel can pull out the handcart directly, and finally realize the effect of fast unlocking and quick maintenance of the opponent's car.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the connection diagram of locking mechanism and fastening mechanism in the utility model;

Fig. 3 is the structural representation of fixing device in the utility model;

Fig. 4 is the schematic diagram of tripping device in the utility model;

Fig. 5 is a schematic diagram of the fastening mechanism in the present invention.

In the figure: 1. cabinet body; 2. handcart; 3. mobile frame; 4. locking mechanism; 401. frame; 402. side bracket; 403. fixed slide plate; 406, second bracket; 407, third connecting rod; 408, sliding sleeve; 409, telescopic spring; 410, base plate; 411, threaded plate; 412, runner; 413, top block; 414, fixed block; 415, wire 5, fastening mechanism; 51, connecting plate; 52, fixed rod; 53, tension spring; 54, connecting slide bar; 55, chute.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "several" means two or more, unless otherwise specifically defined.

Please refer to Fig. 1-shown in Fig. 5, a kind of technical scheme provided by the utility model:

An unlocking device for a handcart interlock mechanism of a high-voltage cabinet, comprising a cabinet body 1 and a handcart 2, the interior of the cabinet body 1 is provided with a cavity for placing the handcart 2, the handcart 2 is located in front of the cabinet body 1, and the handcart 2 The bottom is slidingly connected with a mobile frame 3 placed on the ground. Through the mobile frame 3 provided, the installation and maintenance personnel push it to the docking position of the cabinet body 1, and push the entire handcart into the interior of the cabinet body 1.

The fixing device is used to limit and fix the position of the handcart 2 .

The fixing device includes a frame 401, the frame 401 is slidably connected to the inner wall of the cabinet body 1, the bottom of the frame 401 is fixedly connected with a bottom plate 410, the bottom of the bottom plate 410 is rotatably connected with a first bracket 405 and a second bracket 406, the first bracket 405 and A third connecting rod 407 and a sliding sleeve 408 are respectively rotatably connected to the second bracket 406. The surface of the third connecting rod 407 is slidably connected to the inside of the sliding sleeve 408. The third connecting rod 407 is sleeved with a telescopic spring 409. The telescopic spring One end of 409 is fixedly connected with sliding sleeve 408 , and the other end of telescopic spring 409 is fixedly connected with third connecting rod 407 . The gravity of the handcart 2 through the bottom plate 410 will sink a certain distance. When the bottom plate 410 sinks, it will drive the rotation of the first bracket 405 and the second bracket 406, and then drive the third connecting rod 407 to the telescopic spring 409. Compression, it will stop when compressed to a certain position. After the overall handcart 2 sinks for a certain distance, it will form a step with the cabinet body 1. At this time, no matter how the handcart 2 moves, it will not be displaced, and the handcart 2 will not be pulled out easily. After the fixing device contacts and locks, the handcart 2 can be pulled. Ensure the stability of the handcart 2 in the cabinet 1. By utilizing the gravity of the handcart 2 itself to drive the locking of the fixing device, the fixing and unlocking of the whole fixing device and the unlocking device are easier for the handcart. It is convenient for the installation, displacement and maintenance of the handcart.

In this embodiment, the frame 401 is provided with a relief groove 404, and the relief groove 404 provided provides space on both sides for the fixed sliding plate 403 to move outward to realize unlocking. A fixed sliding plate 403 is slidably connected to the relief groove 404 , and a side bracket 402 is fixedly connected to the fixed sliding plate 403 . Through the provided fixed slide plate 403, when the frame 401 moves down, it will slide with the surface of the fixed slide plate 403 and be contacted and slid by the inclined surface to drive the relative movement of the side bracket 402, so as to realize the locking effect on both sides. The side bracket 402 is slidably connected in the cabinet body 1 . Two side brackets 402 are provided, and hooks are fixedly connected to the two side brackets 402 . The position of the handcart 2 can be further locked by the provided hook, which improves the locking effect during the locking process and ensures that the handcart 2 will not shift forward and backward inside the cabinet 1 .

Further, the tripping device is used to release the restriction and fixation of the handcart 2 by the fixing device. The tripping device includes a threaded plate 411, and the inside of the threaded plate 411 is threaded with a screw 415, and the front end of the screw 415 passes through the cabinet. 1 and is fixedly connected with a runner 412, the rear end of the screw rod 415 is rotatably connected to the cabinet body 1, a fixed block 414 is slidably connected to the threaded plate 411, the top of the fixed block 414 is fixedly connected to the bottom of the bottom plate 410, and the threaded plate 411 A top block 413 is fixedly connected to the top, and the top block 413 is located at the front of the fixed block 414 . The rotation of the screw mandrel 415 is driven by the maintenance personnel turning the runner 412, and the screw mandrel 415 will drive the threaded plate 411 threaded on its surface to move forward. When the threaded plate 411 moves forward, it will drive the top block 413 to move forward and Contact with the fixed block 414, and lift the fixed block 414 at the same time to lift the handcart 2 placed on the bottom plate 410 to the initial position where the cabinet 1 is pushed in, and release the limit of the handcart 2 by the fixing device to facilitate maintenance The personnel directly pull out the handcart 2, thereby finally improving the efficiency of the operator in overhauling the handcart 2 and the cabinet 1.

Furthermore, the fastening mechanism 5 includes a connecting plate 51 , on which two fixing rods 52 are fixedly connected, and the fixing rods 52 are slidably connected to the side bracket 402 . When the two side brackets 402 shrink inwardly, the two fixing rods 52 will slide in the space of the sliding groove 55 to provide space for the inward movement of the side brackets 402 , avoiding the first interfering position during the moving process. A tension spring 53 is sleeved on the surface of the fixed rod 52 , one end of the tension spring 53 is fixedly connected to the front of the fixed rod 52 , and the other end of the tension spring 53 is fixedly connected to the side bracket 402 . The set tension spring 53 will push the two side brackets 402 to move backwards. At this time, the side brackets 402 will also move backwards in the process of shrinking inwards. Side locking and front and rear locking, so as to ensure that there will be no vibration and displacement during the working process of the handcart. At the same time, it is also convenient for the installer to install the handcart directly. There is no need for multi-step operations, and the gravity of the handcart 2 is used. To realize fixing the whole fixing device to the handcart 2, the inside of the cabinet body 1 is provided with a chute 55, and the surface of the fixing rod 52 is slidably connected in the chute 55. There are two connecting plates 51 , and the two connecting plates 51 are slidably connected by connecting sliding rods 54 , and both ends of the connecting sliding rods 54 are fixedly connected inside the cabinet body 1 .

When the unlocking device of the handcart interlocking mechanism of the high-voltage cabinet of the utility model is in use, when the installer pushes the handcart 2 placed on the mobile frame 3 into the cavity inside the cabinet body 1, the bottom plate 410 is pressed by the handcart 2. Gravity will sink a certain distance. When the bottom plate 410 sinks, it will drive the rotation of the first bracket 405 and the second bracket 406, and then drive the compression of the telescopic spring 409 by the third connecting rod 407. When compressed to a certain position, will remain. At the same time, the sinking of the bottom plate 410 will drive the frame 401 to move downward, and the downward movement of the frame 401 will drive the two fixed slide plates 403 fixed on the side bracket 402 to move inward, and the entire side bracket 402 will be clamped on the handcart. 2, and the hook will be stuck on the handcart 2, forming a position lock on both sides. Simultaneously side support 402 is connected with fixed rod 52, and is connected with tension spring 53 between fixed rod 52 and side support 402, is subjected to the elastic force of tension spring 53 and will pull side support 402 to pull backward, will finally be arranged on The hook on the side support 402 is tightly stuck on the surface of the handcart 2 . Finally, the locking of the handcart 2 on the front and rear sides is realized to ensure that the position of the handcart 2 will not shift, and to improve the stability of the equipment during operation. And in the process of dismantling and maintenance, the rotation of the screw mandrel 415 is driven by the maintenance personnel turning the runner 412, and the screw mandrel 415 will drive the threaded plate 411 threaded on its surface to move forward, and when the threaded plate 411 moves forward, it will drive The top block 413 moves forward and comes into contact with the fixed block 414. At the same time, the fixed block 414 is lifted up, driving the entire bottom plate 410 to rise, and the handcart 2 placed on the bottom plate 410 is lifted for a certain distance. At this time, the entire fixing device is released. Limiting and fixing, the maintenance personnel will open the side bracket 402 stuck on the surface of the handcart 2, and then the whole handcart 2 can be pulled out to achieve the effect of quick maintenance.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the utility model Under the premise of the spirit and scope, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high-voltage board handcart interlocking device unlocking device, includes the cabinet body (1) and handcart (2), its characterized in that: a containing cavity for placing a handcart (2) is arranged in the cabinet body (1), the handcart (2) is positioned in front of the cabinet body (1), the bottom of the handcart (2) is connected with a moving frame (3) placed on the ground in a sliding mode, a locking mechanism (4) is arranged in the cabinet body (1), and the locking mechanism (4) is connected with a fastening mechanism (5);

the locking mechanism (4) comprises a fixing device and a releasing device;

the fixing device is used for limiting and fixing the position of the handcart (2);

the tripping device is used for releasing the limitation and the fixation of the handcart (2) by the fixing device.

2. The unlocking device for the handcart interlocking mechanism of the high-voltage cabinet according to claim 1, wherein: fixing device is including frame (401), frame (401) sliding connection is at the inner wall of the cabinet body (1), the bottom fixedly connected with bottom plate (410) of frame (401), the bottom of bottom plate (410) is rotated and is connected with first support (405) and second support (406), it is connected with third connecting rod (407) and sliding sleeve (408) to rotate respectively on first support (405) and second support (406), the surface sliding connection of third connecting rod (407) is in the inside of sliding sleeve (408), telescopic spring (409) has been cup jointed on third connecting rod (407), the one end and sliding sleeve (408) fixed connection of telescopic spring (409), the other end and third connecting rod (407) fixed connection of telescopic spring (409).

3. The unlocking device for the handcart interlocking mechanism of the high-voltage cabinet according to claim 2, wherein: seted up groove of stepping down (404) on frame (401), sliding connection has fixed slide (403) on groove of stepping down (404), fixedly connected with collateral branch frame (402) on fixed slide (403), collateral branch frame (402) sliding connection is in the cabinet body (1).

4. The high-voltage cabinet handcart interlocking mechanism unlocking device according to claim 3, characterized in that: the number of the side supports (402) is two, and clamping hooks are fixedly connected to the two side supports (402).

5. The unlocking device for the handcart interlocking mechanism of the high-voltage cabinet according to claim 1, wherein: the trip gear is including threading board (411), the inside threaded connection of threading board (411) has lead screw (415), the cabinet body (1) and fixedly connected with runner (412) are passed to the front end of lead screw (415), the rear end of lead screw (415) is rotated and is connected on the cabinet body (1), sliding connection has fixed block (414) on threading board (411), the top fixed connection of fixed block (414) is in the bottom of bottom plate (410), fixedly connected with kicking block (413) on threading board (411), kicking block (413) are located the front portion of fixed block (414).

6. The unlocking device for the handcart interlocking mechanism of the high-voltage cabinet according to claim 1, wherein: fastening device (5) is including connecting plate (51), two dead levers (52) of fixedly connected with on connecting plate (51), dead lever (52) sliding connection is on collateral branch frame (402), straining spring (53) have been cup jointed on the surface of dead lever (52), the one end fixed connection of straining spring (53) is in the front portion of dead lever (52), the other end fixed connection of straining spring (53) is on collateral branch frame (402), spout (55) have been seted up to the inside of the cabinet body (1), the surface sliding connection of dead lever (52) is in spout (55).

7. The high-voltage cabinet handcart interlocking mechanism unlocking device of claim 6, wherein: the cabinet is characterized in that the number of the connecting plates (51) is two, the two connecting plates (51) are connected in a sliding mode through connecting sliding rods (54), and two ends of each connecting sliding rod (54) are fixedly connected to the inside of the cabinet body (1).

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