Butt joint device for switchgear handcart

Abstract

The utility model provides a butt joint device used for a switch equipment handcart. The butt joint device comprises a power motor, a butt joint cylinder and a screw rod. The power motor is installed outside a cabinet door of the switch cabinet, the screw rod is installed on the switch equipment handcart, the butt joint cylinder is connected between the power motor and the screw rod, and the power motor drives the screw rod to rotate through the butt joint cylinder, so that the screw rod drives the switch equipment handcart to move back and forth; the docking device of the switchgear handcart can realize automatic control movement operation of the switchgear handcart, is simple in structure, completely meets the requirement of automatic control of actual operation, and is small in transformation workload and relatively small in invested funds.

Description

TECHNICAL FIELD

[0001] The utility model relates to a switchgear technical field especially relates to a kind of docking device for switchgear handcart. BACKGROUND

[0002] The medium voltage movable switch cabinet is composed of armored metal enclosed indoor switch cabinet body, medium-position movable switch equipment handcart and other electrical equipment in the cabinet. The circuit breaker handcart, disconnecting switch handcart and PT handcart are called switch equipment handcart. The medium-position movable equipment handcart has three position states of "maintenance", "test" and "work". The "maintenance" state is that the switch equipment handcart is outside the switch cabinet, and the "test" and "work" states are that the switch equipment handcart is inside the switch cabinet. The medium-position movable switch equipment handcart has "five-prevention" function safety, compact structure, good working performance, flexible working position state change, and is widely used in power and industrial enterprises.

[0003] The movable switch equipment handcart used in the early stage is manually operated to switch between "test" and "work" positions inside the switch cabinet. The on-site staff uses special operating tools to rotate the screw rod 3 of the switch equipment handcart, and the handcart is driven to move by the rotation of the screw rod 3. The handcart does not have an electric operating mechanism, and there is no computer monitoring and remote operation function.

[0004] The manual operation of such switch equipment handcart has the following defects: (1) the operation is complicated and inefficient, which increases the burden of on-site staff; (2) due to the difference in proficiency and physical strength of the operator, the insertion depth of the moving contact of the switch equipment handcart and the busbar static contact seat is inconsistent, the contact resistance between the moving and static contacts increases, and the safety of the switch equipment is endangered; (3) during the preparation of contact and just after separation, the moving and static contacts will generate discharge. If the moving speed is too slow, the discharge time will be longer, which will cause different degrees of burn of the moving and static contacts and affect the service life; (4) it does not meet the demand of intelligent control equipment in the current smart power plant; (5) it is too large to replace the new switch equipment with automatic operation function, and the time for updating and reconstruction is long.

[0005] Therefore, it is necessary to provide a new docking device for switch equipment handcart to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a docking device for switch equipment handcart, which can facilitate automatic control of the switch equipment handcart, facilitate self-adaptive docking of the end of the mechanical transmission assembly and the screw rod of the switch equipment handcart, and has simple structure and meets the actual operation needs. The scheme has small reconstruction workload and relatively small investment.

[0007] In order to achieve the above object, the technical scheme of the utility model provides a butt joint device for switch device handcart, include: power motor, butt joint barrel and screw rod, the power motor is installed outside switch cabinet door, the screw rod is installed on switch device handcart, the butt joint barrel is connected between the power motor and screw rod, the power motor drives screw rod to rotate through butt joint barrel, makes the screw rod drive switch device handcart moves back and forth.

[0008] Preferably, the butt joint device for switch device handcart further comprises a reinforcing plate, the reinforcing plate is fixedly installed on the outer side of the switch cabinet door, and the power motor is fixedly installed on the reinforcing plate.

[0009] Preferably, the power motor has a rotating shaft, the rotating shaft passes through the reinforcing plate and the switch cabinet door, and the butt joint barrel is sleeved on the rotating shaft and the screw rod.

[0010] Preferably, the reinforcing plate and the switch cabinet door are both provided with through holes, and the rotating shaft passes through the through holes of the reinforcing plate and the switch cabinet door.

[0011] Preferably, the power motor is provided with a power connection end.

[0012] Compared with the prior art, the beneficial effects are that the working position state of the switch device handcart can be automatically controlled on site and remotely, the end of the screw rod of the mechanical transmission assembly and the switch device handcart can be adaptively butt jointed, the butt joint device for the switch device handcart position is simple in structure and fully meets the actual operation needs, the scheme has small reform workload and relatively small investment. After the equipment is put into operation through the scheme, the unsafe factors caused by human operation can be eliminated, the equipment management automation level is improved, the equipment safe operation reliability is improved, and the equipment intelligent control level is improved.

[0013] Other features and advantages of the present application will be further described in the following description, and some will be apparent from the description, or can be learned by practice of the present application. The features and advantages of the present application can be achieved and obtained by the elements and combinations specifically indicated in the appended claims. These and other features of the present application will become more apparent from the following description and appended claims, or can be learned by practice of the embodiments described in the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0015] Figure 1 It is the perspective view of the docking device for switchgear handcart of the utility model.

[0016] Figure 2 It is Figure 1 It is the exploded view of the docking device for switchgear handcart shown.

[0017] Reference signs: 1, power motor;2, docking barrel;3, screw rod;4, reinforcing plate;5, rotating shaft;6, power supply wiring end;7, switch cabinet door;8, through hole. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and beneficial technical effect of the utility model more clear and obvious, the following will be combined with the drawings and specific implementation, and the utility model is further explained in detail.It should be understood that the specific implementation described in the specification is only for explaining the utility model, and is not intended to limit the utility model.

[0019] It should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation to the utility model.

[0020] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. For the ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] Please refer to Figures 1 to 2The utility model provides a kind of butt joint device for switchgear handcart, comprising: power motor 1, butt joint barrel 2 and screw rod 3;The power motor 1 is installed outside switchgear door 7, the screw rod 3 is installed on handcart, the butt joint barrel 2 is connected between the power motor 1 and screw rod 3, the power motor 1 drives screw rod 3 rotation by butt joint barrel 2, to make screw rod 3 drive handcart move back and forth.

[0022] In a preferred embodiment, the butt joint device for switchgear handcart further includes reinforcing plate 4, the reinforcing plate 4 is fixedly installed on the outside of switchgear door 7 by bolt, and the power motor 1 is fixedly installed on the reinforcing plate 4. The strength of the local switchgear door can be strengthened, the reaction force when the power motor 1 rotates is overcome, and the stability of the power motor 1 is also ensured.

[0023] In a preferred embodiment, the power motor 1 has a rotating shaft 5, the rotating shaft 5 passes through the reinforcing plate 4 and the switchgear door 7, and the butt joint barrel 2 is sleeved on the rotating shaft 5 and the screw rod 3, so that the central axes of the rotating shaft 5, the butt joint barrel 2 and the screw rod 3 coincide.

[0024] In a preferred embodiment, the reinforcing plate 4 and the switchgear door 7 are both provided with through holes 8, and the rotating shaft 5 passes through the through holes 8 of the reinforcing plate 4 and the switchgear door 7, so that the butt joint barrel 2 can be sleeved on the rotating shaft 5 and the screw rod 3.

[0025] In a preferred embodiment, the power motor 1 is provided with a power connection end 6, and the power connection end 6 is convenient for electrically connecting with an external power source.

[0026] When the switchgear door 7 is opened for work, the mechanical transmission assembly (the rotating shaft 5 and the butt joint barrel 2) of the butt joint device for switchgear handcart is separated from the end of the screw rod 3 on the handcart, at this time, the switchgear handcart can be pulled out from the switchgear to a maintenance position; when the switchgear handcart enters the switchgear again, the switchgear door 7 is closed, and the mechanical transmission assembly can be operated by the automatic control function of the electrical control part to control the self-adaptive butt joint between the mechanical transmission assembly and the end of the screw rod 3 of the switchgear handcart.

[0027] The electrical control part controls the automatic forward movement of the switchgear handcart, and the switchgear handcart is switched from the "test" position to the "work" position, or the electrical control part controls the automatic backward movement of the switchgear handcart, and the switchgear handcart is switched from the "work" position to the "test" position.

[0028] In summary, the docking device of the switch equipment handcart position is simple in structure and fully meets the actual operation requirements. In the scheme, the original switch equipment handcart device structure is not changed, and the original switch equipment handcart device operation performance and safety performance are not changed. The scheme has small reconstruction workload and relatively small investment. After the equipment is put into operation through the scheme, the unsafe factors caused by human operation can be eliminated, the equipment management automation level is improved, the equipment safe operation reliability is improved, and the equipment intelligent automatic control level is improved.

[0029] The utility model is not limited to the description in the specification and the embodiment, therefore, other advantages and modifications can be easily realized by those skilled in the art, and the utility model is not limited to specific details, representative equipment and the drawing examples shown and described here without departing from the spirit and scope of the general concept defined by the claims and equivalent range.

Claims

1. A docking device for a switchgear trolley, characterized in that, It includes: The power motor (1) is installed outside the switch cabinet door (7), the screw rod (3) is installed on the switch device handcart, the butt joint cylinder (2) is connected between the power motor (1) and the screw rod (3), the power motor (1) drives the screw rod (3) to rotate through the butt joint cylinder (2), so that the screw rod (3) drives the switch device handcart to move back and forth.

2. The docking device for a switchgear handcart of claim 1, wherein, The butt joint device for the switch device handcart further includes a reinforcing plate (4), the reinforcing plate (4) is fixedly installed on the outside of the switch cabinet door (7), and the power motor (1) is fixedly installed on the reinforcing plate (4).

3. The docking device for a switchgear handcart of claim 2, wherein, The power motor (1) has a rotating shaft (5), the rotating shaft (5) penetrates the reinforcing plate (4) and the switch cabinet door (7), and the butt joint cylinder (2) is sleeved on the rotating shaft (5) and the screw rod (3).

4. The docking device for a switchgear handcart of claim 3, wherein, The reinforcing plate (4) and the switch cabinet door (7) are both provided with through holes (8), and the rotating shaft (5) penetrates the through holes (8) of the reinforcing plate (4) and the switch cabinet door (7).

5. The docking device for a switchgear handcart of claim 1, wherein, The power motor (1) is provided with a power supply wiring end (6).

Images