CN212101890U - Multifunctional circuit breaker mechanism overhauling and transferring trolley - Google Patents

Abstract

The utility model discloses a multifunctional circuit breaker mechanism maintenance and transfer trolley, which comprises two vertical arms which are spaced apart and opposite to each other, a bottom plate arranged below the two vertical arms, a placing platform arranged between the two vertical arms, and an energy The power mechanism that drives the placing platform to move in the up and down direction; the power mechanism includes a driving wheel and two chain transmission groups, the driving wheel is arranged on one of its vertical arms, each of the two vertical arms is provided with a chain transmission group, and the chain transmission group includes a There are two rotating gears arranged at intervals up and down in the vertical direction and a gear chain meshing with the two rotating gears. The driving wheel is meshed with the gear chain, and the placing platform is fixedly connected with the gear chain; the vertical arm is provided with a positioning card hole, and the positioning card hole is connected with the gear. The position of the chain corresponds to the positioning of the placement platform at the desired height. It has the following advantages: safety, convenience, high efficiency, labor saving, and reduction of power failure time during maintenance.

Description

A multifunctional circuit breaker mechanism maintenance transfer trolley

technical field

The utility model relates to a multifunctional circuit breaker mechanism maintenance and transfer trolley.

Background technique

At present, each 110kV substation is generally only equipped with two 10kV circuit breaker maintenance transfer trolleys. When the substation 10kV entire busbar is out of power for Class C maintenance or multiple circuit breakers are simultaneously powered off for maintenance, the maintenance transfer trolley needs to be used to transfer the circuit breakers in the cabinet. , Since the number of maintenance transfer trolleys is not enough, the maintenance personnel need to move the circuit breaker handcart from the maintenance transfer trolley to the ground and perform maintenance. During the moving process, 4 operators are required to put it down. The personnel risk is relatively high, and the labor intensity of personnel is relatively high. When the operating personnel are insufficient, the power outage time is prolonged and the reliability of the power supply is reduced.

Utility model content

The utility model provides a multifunctional circuit breaker mechanism maintenance and transfer trolley, which overcomes the deficiencies of the prior art described in the background art.

The technical scheme adopted by the utility model to solve its technical problems is:

A multifunctional circuit breaker mechanism maintenance and transfer trolley, which comprises two vertical arms that are spaced apart and opposite to each other, a bottom plate arranged below the two vertical arms, a placing platform arranged between the two vertical arms, and a platform capable of driving the placing The power mechanism for the platform to move up and down;

The power mechanism includes a driving wheel and two chain transmission groups. The driving wheel is arranged on a vertical arm and is connected with the power input end. Each of the two vertical arms is provided with a chain transmission group. Two rotating gears are vertically spaced up and down on the vertical arm and a gear chain meshing with the two rotating gears, the driving wheel meshes with the gear chain on the vertical arm on the same side, and the placing platform is connected to the two vertical arms. The gear chain is fixedly connected, and the gear chain is driven up and down around the two rotating gears by the meshing of the driving wheel to drive the placement platform to move up and down;

One vertical arm is also provided with a positioning hole, which corresponds to the position of the gear chain, so that one end of the pin can be inserted into the chain hole of the gear chain through the positioning hole to prevent the chain from moving, thereby positioning the platform. at the desired height.

In one embodiment, the chain transmission group further includes a tensioning wheel, which is arranged on the vertical arm and meshes with the gear chain.

In one embodiment: it also includes two long screws and two nuts, each of the two vertical arms is provided with a long screw and a nut, the nut is fixedly connected with the vertical arm, the long screw is screwed with the nut, and the upper rotation The gear is arranged on the long screw rod, and the relative rotation of the long screw rod and the nut makes the long screw rod move up and down to drive the upper rotating gear to move up and down finely.

In one embodiment, the placing platform includes a frame and two legs slidably arranged on the frame for supporting the circuit breaker handcart. The driving mechanism is fixedly connected with the two outriggers, and the two outriggers are driven to open or fold by the driving mechanism.

In one embodiment, the front end of the placing platform is further provided with a hook for connecting with the switchgear cabinet.

In one embodiment, a moving roller is fixed under the bottom plate.

In one embodiment, the power input end is a hand crank, and the hand crank can cooperate with the driving wheel to drive the driving wheel to rotate.

In one embodiment: the driving mechanism includes two cylinders, and one cylinder is connected to a leg.

Compared with the background technology, the technical solution has the following advantages:

In this case, the gear chain can move up and down around the two rotating gears through the meshing of the driving wheel to drive the placement platform to move up and down. When the circuit breaker handcart is moved into the placement platform, it is only necessary to raise the placement platform to the same height as the circuit breaker handcart. Then slide the circuit breaker trolley into the placing platform. When the circuit breaker trolley is lowered from the placing platform to the bottom, it is only necessary to lower the placing platform to the ground, and then slide the circuit breaker trolley out of the placing platform. The whole operation is completed. The process only needs to give a power input to the driving wheel to realize the rise and fall of the placement platform. The circuit breaker handcart does not need to be moved when entering and leaving the placement platform. The whole process can be completed by only 1-2 people, which is safe and convenient. , High efficiency, saving labor, reducing power outage time during maintenance.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Figure 1 is one of the side views of the maintenance transfer trolley.

Figure 2 is the second side view of the maintenance transfer trolley.

Figure 3 is a front view of the transfer trolley for overhauling.

Detailed ways

Please refer to Figures 1 to 3, a multifunctional circuit breaker mechanism maintenance and transfer trolley, which includes two vertical arms 10 that are spaced apart and opposed to each other, a bottom plate 20 arranged between the two vertical arms 10, and a bottom plate 20 arranged between the two vertical arms 10. The placing platform 30 and the power mechanism that can drive the placing platform 30 to move up and down.

The power mechanism includes a driving wheel 41 and two chain transmission groups. The driving wheel 41 is arranged on a vertical arm 10 and connected to the power input end. Each of the two vertical arms 10 is provided with a chain transmission group. The chain transmission group It includes two rotating gears 42 that are arranged on the corresponding vertical arm 10 at intervals up and down in the vertical direction, and a gear chain 43 that meshes with the two rotating gears 42. The driving wheel 41 meshes with the gear chain 43 on the vertical arm 10 on the same side. , the placing platform 30 is fixedly connected with the gear chain 43 on the two vertical arms 10, and the gear chain 43 is driven up and down around the two rotating gears 42 by the meshing of the driving wheel 41 to drive the placing platform 30 to move up and down.

One of the vertical arms 10 is also provided with a positioning hole 11, which corresponds to the position of the gear chain 43 so that one end of the pin can be inserted into the chain hole of the gear chain 43 through the positioning hole 11 to prevent the chain from moving. The placement platform 30 is thereby positioned at the desired height. A moving roller 50 is fixed under the bottom plate 20 to facilitate the movement of the transfer and maintenance trolley.

Preferably, the chain drive group also includes a tensioning wheel 44, the tensioning wheel 44 is arranged on the vertical arm 10 and meshes with the gear chain 43, preferably the tensioning wheel 44 is arranged close to the driving wheel 41 to prevent the gear chain 43 is loose to ensure a better meshing degree between the driving wheel 41 and the gear chain 43 .

In the preferred embodiment, it also includes two long screws 60 and two nuts 70. The two vertical arms 10 are respectively provided with a long screw 60 and a nut 70, the nut 70 is fixedly connected with the vertical arm 10, and the long screw 60 is connected with the nut. 70 is screwed to fit, and the upper rotating gear 42 is set on the long screw 60. The relative rotation of the long screw 60 and the nut 70 makes the long screw 60 move up and down to drive the upper rotating gear 42 to move up and down finely. When the two sides of the placing platform 30 connected with the gear chain 43 are uneven, the height of the long screw 60 can be adjusted to drive the upper rotating gear 42 to move up and down, and then the corresponding side of the placing platform 30 can be moved up and down through the gear chain 43 Make fine adjustments to level the heights of both sides of the placing platform 30 .

The placing platform 30 includes a frame 31 and two legs 32 slidably arranged on the frame 31 for supporting the circuit breaker handcart. The driving mechanism is fixedly connected with the two legs 32, and the two legs 32 are driven to open or close by the driving mechanism. In this embodiment, the driving mechanism includes two cylinders, one cylinder is connected to a leg 32, and the cylinder pushes the leg 32 to fold and move.

Preferably, the front end of the placing platform 30 is further provided with hooks for hooking up with the switchgear cabinet to ensure that the maintenance and transfer trolley will not be removed when the circuit breaker trolley is moved into the maintenance and transfer trolley.

In this embodiment, the power input end is a hand crank, and the hand crank can cooperate with the driving wheel 41 to drive the driving wheel 41 to rotate. The maintenance personnel can drive the placing platform 30 to ascend or descend through the hand crank through the power of one person. The hand crank and the driving wheel 41 can be driven and cooperated by at least one intermediate gear 45 to input power to the driving wheel 41 .

In this embodiment, the vertical arm 10 is further provided with a tool slot 12 for storing tools and a handrail 13 for convenient pushing and pulling.

In this case, the gear chain 43 can be driven to move up and down around the two rotating gears 42 by the meshing of the driving wheel 41 to drive the placement platform 30 to move up and down. At the same height as the handcart, slide the circuit breaker handcart into the placing platform 30. When the circuit breaker handcart is lowered from the placing platform 30 to the bottom, just lower the placing platform 30 to the ground, and then place the circuit breaker handcart on the ground. The car slides out of the placing platform 30, the entire operation process only needs to give a power input to the driving wheel 41 to realize the ascending and descending of the placing platform 30, the circuit breaker handcart does not need to be moved when entering and leaving the placing platform 30, the whole process It only needs 1-2 people to complete it, which is safe, convenient and efficient, saving labor and reducing power failure time during maintenance.

The above are only the preferred embodiments of the present invention, so the scope of implementation of the present invention cannot be limited according to this, that is, equivalent changes and modifications made according to the scope of the patent of the present invention and the contents of the description should still belong to the present invention. within the scope of the utility model.

Claims (8)

1. A multi-functional circuit breaker mechanism maintenance and transfer trolley is characterized in that: it comprises two vertical arms that are spaced apart and opposed in parallel, a bottom plate arranged between the two vertical arms, a placement platform arranged between the two vertical arms and A power mechanism that can drive the placement platform to move up and down; The power mechanism includes a driving wheel and two chain transmission groups. The driving wheel is arranged on a vertical arm and is connected with the power input end. Each of the two vertical arms is provided with a chain transmission group. Two rotating gears are vertically spaced up and down on the vertical arm and a gear chain meshing with the two rotating gears, the driving wheel meshes with the gear chain on the vertical arm on the same side, and the placing platform is connected to the two vertical arms. The gear chain is fixedly connected, and the gear chain is driven up and down around the two rotating gears by the meshing of the driving wheel to drive the placement platform to move up and down; One of the vertical arms is also provided with a positioning hole, which corresponds to the position of the gear chain, so that one end of the pin can be inserted into the chain hole of the gear chain through the positioning hole to prevent the chain from moving, thereby positioning the platform. at the desired height. 2 . The multifunctional circuit breaker mechanism maintenance and transfer trolley according to claim 1 , wherein the chain transmission group further comprises a tensioning wheel, which is arranged on the vertical arm and meshes with the gear chain. 3 . 3. The multi-function circuit breaker mechanism maintenance and transfer trolley according to claim 1, characterized in that: it further comprises two long screws and two nuts, each of the two vertical arms is provided with a long screw and a nut, and the nut and the The vertical arm is fixedly connected, the long screw rod is screwed with the nut, and the upper rotating gear is set on the long screw rod. 4. The multifunctional circuit breaker mechanism maintenance and transfer trolley according to claim 1, wherein the placing platform comprises a frame and two legs slidably arranged on the frame for supporting the circuit breaker handcart, The two legs are horizontally spaced along the width direction of the two vertical arms, and are provided with a driving mechanism, which is fixedly connected with the two legs, and drives the two legs to open or close by the driving mechanism. 5. The multifunctional circuit breaker mechanism maintenance and transfer trolley according to claim 1 or 4, characterized in that: the front end of the placing platform is further provided with a hook for connecting with the switchgear cabinet. 6 . The multifunctional circuit breaker mechanism maintenance and transfer trolley according to claim 1 , wherein a moving roller is fixed under the bottom plate. 7 . 7 . The multifunctional circuit breaker mechanism maintenance and transfer trolley according to claim 1 , wherein the power input end is a hand crank, and the hand crank can cooperate with the drive wheel to drive the drive wheel to rotate. 8 . 8 . The multifunctional circuit breaker mechanism maintenance and transfer trolley according to claim 4 , wherein the driving mechanism comprises two cylinders, and one cylinder is connected to one leg. 9 .

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