CN115231114A - 10kV movable circuit breaker transfer auxiliary device - Google Patents

Abstract

The invention provides a 10kV removable circuit breaker transfer auxiliary device, which includes a base frame, a first clamping plate, a second clamping plate and a controller. A motor is fixed on one side of the base frame, and a connecting surface of the motor output end is provided with a first A threaded section and a rotating shaft of the second threaded section, the first and second threaded sections have opposite screw directions; the upper part of the chassis is provided with guide rails parallel to the rotating shaft on both sides of the rotating shaft, and the first and second threaded sections are parallel to the rotating shaft. Two plywoods are respectively located at both ends of the guide rail; the first and second plywood are provided with forward induction proximity switches and limit posts at the same end along the direction perpendicular to the rotating shaft; the first plywood is provided with a first vertical The second plywood is provided with a second vertical plate on the side away from the motor; the first and second vertical plates are provided with side position inductive proximity switches, and a limit card hole is provided on the side facing the forward inductive proximity switch. By using the device of the invention, the circuit breaker can be fixed and transported, and the clear width between the first clamping plate and the second clamping plate can be adjusted automatically.

Description

A 10kV removable circuit breaker transfer auxiliary device

technical field

The invention relates to the technical field of circuit breaker transfer devices, in particular to a 10kV removable circuit breaker transfer auxiliary device.

Background technique

The 10kV removable circuit breaker (switch trolley) is an important part of the power system and is widely used in the power system, usually installed in substations and power distribution rooms. When it is delivered and put into operation and returned to the factory for maintenance, it needs to be transferred between the workshop and the installation site, and the switch trolleys of different manufacturers have different models and structures, and their dimensions are not uniform, and their weight is about 100-500kg. between.

Now, when transferring the switch trolley between the installation site and the transport vehicle, manual handling is used directly, or the switch trolley is placed on a conventional flat pallet, and then transferred by means of a lifting device such as a forklift, while the conventional flat pallet is also used for transfer. The switch trolley cannot be fixed, resulting in the safety risk of rolling over or sliding down during the transfer process, resulting in personal injury and equipment damage.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and propose a 10kV removable circuit breaker transfer auxiliary device, which solves the problem of overturning due to the inability to fix the switch trolley when manually transporting or transferring the switch trolley using a conventional flat-panel bracket. Or the issue of slipping safety risks.

The invention provides a 10kV removable circuit breaker transfer auxiliary device, comprising a bottom frame, a first clamping plate, a second clamping plate and a controller. A motor is fixed on one side of the base frame, and a connecting surface of the motor output end is provided with a the rotation shafts of the first thread segment and the second thread segment, the thread rotation directions of the first thread segment and the second thread segment are opposite, and the rotation axis is located above the chassis;

The upper part of the chassis is provided with guide rails parallel to the rotating shaft on both sides of the rotating shaft. The upper surfaces of a splint and a second splint are used to place circuit breakers; the bottom frame is also used to connect with the transfer equipment spreader of the circuit breaker;

A first shaft sleeve and a second shaft sleeve are respectively sleeved on the first threaded section and the second threaded section of the rotating shaft, and the inner walls of the first and second shaft sleeves are respectively set with the first threaded section. a thread that engages with the second thread segment; the first bushing and the second bushing are located below the first splint and the second splint, respectively, and the first bushing is fixedly connected to the first splint, the second shaft sleeve is fixedly connected with the second splint;

The first splint and the second splint are provided with a forward induction proximity switch and a limit column at the same end along the direction perpendicular to the rotating shaft, and the limit column is perpendicular to the forward induction proximity switch from the rotating shaft. The distance is the same, the limit post is used to prevent the circuit breaker from continuing to move beyond the forward inductive proximity switch;

A first vertical plate is arranged on the side close to the motor of the first clamping plate, and a second vertical plate is arranged on the side away from the motor of the second clamping plate; the first vertical plate and the second vertical plate Both are provided with side-position inductive proximity switches, and all are provided with limit card holes on the side facing the forward inductive proximity switches for engaging with the lock tongue of the circuit breaker;

Each of the forward induction proximity switches, the side position induction proximity switches and the motor are respectively electrically connected to the controller, and the controller is used for receiving the signals of each of the forward induction proximity switches and the side position induction proximity switches, and according to the received signals. The signal controls the motor operation.

Preferably, sliders with grooves are provided at the bottom of the first clamping plate and the second clamping plate along the length direction of the guide rails, the grooves are matched with the guide rails, and the guide rails extend from the grooves of the sliders. run through.

Further preferably, there are a plurality of the sliding blocks provided at the bottom of the first clamping plate and the second clamping plate, and the plurality of sliding blocks are evenly spaced along the length direction of the guide rail.

Preferably, a third vertical plate is arranged on the lower surface of the first clamping plate, a fourth vertical plate is arranged on the lower surface of the second clamping plate, the first bushing and the third vertical plate and the second bushing and the fourth vertical plate are arranged on the lower surface. The vertical plates are all bolted.

Further preferably, bearing seats are provided at both ends of the rotating shaft, and the bearing seats are fixed on the chassis.

Preferably, the lower part of the chassis is further provided with two fork arm clamping slots for being clamped with the fork arms of the forklift.

Preferably, the distance between the side inductive proximity switch and the upper surface of the first clamp and the second clamp is equal to the height of the protruding portion of the circuit breaker base;

The first vertical plate is provided above the side position induction proximity switch with a first folding plate facing the second vertical plate, and the second vertical plate is positioned above the side position induction proximity switch and faces the The second hemming plate of the first vertical plate is used for abutting the circuit breaker base.

Preferably, it also includes: a battery;

The battery is fixed on one side of the chassis, and the motor is electrically connected to the battery.

Preferably, the lower part of the chassis is symmetrically provided with feet.

Preferably, there are multiple limit posts arranged on the first clamp plate and the second clamp plate, and are evenly distributed on both sides of the forward inductive proximity switch.

As can be seen from the above technical solutions, the present invention has the following advantages:

The invention provides a 10kV removable circuit breaker transfer auxiliary device. The circuit breaker is placed on the first clamping plate and the second clamping plate, and when it is pushed to contact with the forward induction proximity switch, the forward induction proximity switch is sent to the control The controller sends a signal, and the controller controls the motor to rotate according to the signal sent by the forward induction proximity switch by setting the shaft of the first thread segment and the second thread segment opposite to the thread direction of the first thread segment on the connecting surface of the motor output end. The first splint and the second splint can be made to approach each other until the side position induction proximity switch contacts the circuit breaker. The controller controls the motor to stop rotating according to the signal sent by the side position induction proximity switch, and then the circuit breaker latches are respectively connected to the circuit breaker. A vertical plate is clamped to the limit card hole on the second vertical plate, so that the circuit breaker is fixed on the transfer auxiliary device of the present invention, and the transfer equipment sling is fixedly connected to the chassis, so that the circuit breaker and the transfer assistant of the present invention are fixedly connected. The device is transported as a whole, which can avoid the danger of rollover or slipping due to the unfixed circuit breaker during transport. The clear width between the first plywood and the second plywood can be adjusted automatically, which can meet the 10kV voltage of different manufacturers and models. Fixing of removable circuit breakers.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a perspective view of a 10kV removable circuit breaker transfer auxiliary device provided by an embodiment of the present invention;

2 is a top view of a 10kV removable circuit breaker transfer auxiliary device provided by an embodiment of the present invention;

3 is a bottom view of the first clamping plate, the second clamping plate and the rotating shaft in a 10kV removable circuit breaker transfer auxiliary device provided by an embodiment of the present invention;

Fig. 4 is A-A sectional view in Fig. 1;

Fig. 5 is the B-B sectional view in Fig. 1;

Among them, the reference numerals describe: chassis 1, first clamp plate 2, second clamp plate 3, controller 4, gear motor 5, first thread segment 6, second thread segment 7, rotating shaft 8, guide rail 9, first shaft Sleeve 10, second shaft sleeve 11, forward inductive proximity switch 12, limit post 13, first vertical plate 14, second vertical plate 15, side inductive proximity switch 16, limit card hole 17, groove 18, slide Block 19 , the third vertical plate 20 , the fourth vertical plate 21 , the bearing seat 22 , the fork arm slot 23 , the first hemming plate 24 , the second hemming plate 25 , the battery 26 , and the support feet 27 .

Detailed ways

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, only for the purpose of It is convenient to describe the application and to simplify the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the application.

Unless otherwise expressly specified and limited, the terms "connected", "fixed" and "arranged" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can be directly connected, or indirectly connected through an intermediate medium, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

Furthermore, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated. Thus, a feature defined as "first", "second", "third", "fourth" may expressly or implicitly include one or more of such features. unless otherwise specifically defined.

The embodiment of the present invention provides a 10kV removable circuit breaker transfer auxiliary device, please refer to FIG. 1 to FIG. 5 for details.

As shown in Figures 1 to 3, a 10kV removable circuit breaker transfer auxiliary device in this embodiment includes: a chassis 1, a first clamping plate 2, a second clamping plate 3 and a controller 4, the chassis 1 A geared motor 5 is fixed on one side, and the connecting surface of the output end of the geared motor 5 is provided with a rotating shaft 8 of a first thread segment 6 and a second thread segment 7, the thread rotation direction of the first thread segment 6 is clockwise, and the second thread segment 7 The thread rotation direction is counterclockwise, that is, the thread rotation directions of the first thread segment 6 and the second thread segment 7 are opposite, and the rotating shaft 8 is located above the chassis 1;

The upper part of the chassis 1 is respectively provided with guide rails 9 parallel to the rotating shaft 8 on both sides of the rotating shaft 8, the first splint 2 and the second splint 3 are placed horizontally on the guide rail 9 and are located at both ends of the guide rail 9, the first splint 2 and the second splint 3 are placed on the guide rail 9 horizontally. The upper surface of the splint 3 is used to place the circuit breaker; the chassis 1 is also used to connect with the transfer equipment spreader of the circuit breaker, and the transfer equipment spreader can be a forklift fork arm, a sling, a hook, etc., which are different here. an enumeration.

The rotating shaft 8 is sleeved with a first bushing 10 and a second bushing 11 on the first threaded segment 6 and the second threaded segment 7 respectively, and the inner walls of the first bushing 10 and the second bushing 11 are respectively provided with the first threaded segment 6 . The thread that meshes with the second threaded segment 7; the first bushing 10 and the second bushing 11 are located below the first splint 2 and the second splint 3, and the first bushing 10 is fixedly connected with the first splint 2, and the second The shaft sleeve 11 is fixedly connected with the second splint 3;

The first splint 2 and the second splint 3 are provided with a forward inductive proximity switch 12 and a limit column 13 at the same end along the direction perpendicular to the rotating shaft 8, and the limit column 13 and the forward induction proximity switch 12 have the same vertical distance from the rotating shaft 8. , the limit post 13 is used to block the circuit breaker and prevent it from being pushed forward and moving beyond the forward induction proximity switch 12, so as to protect the forward induction proximity switch 12 from being damaged;

The first plywood 2 is provided with a first vertical plate 14 on the side close to the motor 5, and the second plywood 3 is provided with a second vertical plate 15 on the side away from the motor 5; both the first vertical plate 14 and the second vertical plate 15 are provided There is a side-position inductive proximity switch 16, and a limit card hole 17 is provided on the side facing the forward inductive proximity switch 12 for clamping with the lock tongue of the circuit breaker; it should be noted that when the lock tongue of the circuit breaker is locked When connected to the limit card hole 17 , the first vertical plate 14 and the second vertical plate 15 also play the role of restricting the circuit breaker from shaking in the axial direction of the rotating shaft 8 .

Each forward induction proximity switch 12, side position induction proximity switch 16 and deceleration motor 5 are respectively electrically connected to the controller 4, and the controller 4 is used for receiving the signals of each forward induction proximity switch 12 and the side position induction proximity switch 16, and according to the received signal The received signal controls the motor 5 to run.

In the 10kV removable circuit breaker transfer auxiliary device provided by the present invention, the power supply of the motor 5 is first turned on, and when the forward induction proximity switch 12 does not touch the circuit breaker and does not send a signal to the controller 4, the controller 4 controls the motor 5. Rotate the rotating shaft 8 clockwise. Since the first threaded section 6 and the second threaded section 7 on the surface of the rotating shaft 8 rotate in opposite directions, the first clamping plate 5 and the second clamping plate 6 will be separated from each other and open to the maximum clear width, according to For the current statistics on the size of 10kV removable circuit breakers of different manufacturers and models, the maximum clear width can be set to 1050mm by setting the lengths of the first thread section 6 and the second thread section 7; The transferred circuit breaker (with a width of 650mm-1000mm) is placed on the first clamp plate 2 and the second clamp plate 3, relying on the pulley on the circuit breaker base, slowly push the circuit breaker to the forward induction proximity switch 12 until the forward induction proximity switch 12 When it touches the circuit breaker, it sends a signal to the controller 4, and the controller 4 controls the motor 5 to rotate the shaft 8 counterclockwise according to the received signal, so that the first clamp plate 2 and the second clamp plate 3 move toward each other until the side position induction proximity switch 16 When the circuit breaker is contacted, a signal is sent to the controller 4, and the controller 4 controls the rotating shaft 8 of the motor 5 to stop rotating according to the received signal from the side position induction proximity switch 16; 14 and the limit card hole 17 on the second vertical plate 15, so that the circuit breaker is fixed on the transfer auxiliary device of this embodiment, and then the transfer equipment sling is fixedly connected to the chassis 1, and the circuit breaker and the present invention are fixedly connected. The transfer auxiliary device is transported as a whole, so that by using the device of the present invention to transfer the circuit breaker, it can avoid the problem that the switch trolley cannot be fixed and the safety risk of rollover or slipping easily occurs when the switch car is transported manually or when the conventional flat pallet is used for transfer. The device of the present invention The clear width between the first plywood 2 and the second plywood 3 can be adjusted automatically, which can meet the fixation of 10kV removable circuit breakers of different manufacturers and models.

Preferably, as shown in FIG. 5 , a slider 19 with a groove 18 is provided at the bottom of the first clamp plate 2 and the second clamp plate 3 along the length direction of the guide rail 9 , the groove 18 is matched with the guide rail 9 , and the guide rail 9 extends from the slider 19 The groove 18 runs through the sliding block 19 to reduce the frictional resistance between the first clamping plate 2 and the second clamping plate 3 and the guide rail 9 respectively, so that the first clamping plate 2 and the second clamping plate 3 move more smoothly.

Further preferably, as shown in FIG. 3 , there are multiple sliders 19 arranged at the bottom of the first clamp plate 2 and the second clamp plate 3 , and the multiple sliders 19 are evenly spaced along the length direction of the guide rail 9 . Appropriately increase the force point, so that the weight of the circuit breaker is evenly transmitted and distributed on the guide rail 9.

Preferably, as shown in FIG. 4 , the lower surface of the first clamping plate 2 is provided with a third vertical plate 20 , the lower surface of the second clamping plate 3 is provided with a fourth vertical plate 21 , the first bushing 10 , the third vertical plate 20 and the second shaft Both the sleeve 11 and the fourth vertical plate 21 are bolted.

Further preferably, bearing seats 22 are provided at both ends of the rotating shaft 8 , and the bearing seats 22 are fixed on the chassis 1 .

Preferably, the lower part of the chassis 1 is further provided with two fork arm engaging slots 23 for engaging with the fork arms of the forklift. After the circuit breaker is fixed on the transfer auxiliary device of this embodiment, the fork arm of the circuit breaker can be clamped in the fork arm clamping slot 23 by using a forklift, so that the circuit breaker can be directly transported safely. The lower part of the base frame 1 is symmetrically provided with feet 27, thereby raising the base frame 1, preventing the fork arm slot 23 from directly landing and being blocked by dirt and debris, so as to facilitate the accurate clamping of the fork arm of the forklift truck. The height of the support feet 27 is not specifically limited here. Optional 200mm.

Preferably, the distance between the side inductive proximity switch 16 and the upper surfaces of the first clamp plate 2 and the second clamp plate 3 is equal to the height of the protruding part of the base of the circuit breaker, usually about 150mm, so that the side inductive proximity switch 16 contacts the The protruding part of the circuit breaker base;

The first vertical plate 14 is provided with a first edge plate 24 facing the second vertical plate 15 above the side sensor proximity switch 16 , and the second vertical plate 15 is positioned above the side sensor proximity switch 16 and faces the first vertical plate 14 The second hemming plate 25, the first hemming plate 24 and the second hemming plate 25 are used to abut the circuit breaker base, and the hemming width is set according to the width of the protruding part of the circuit breaker base, usually about It is 300mm to 350mm, so as to limit the shaking of the circuit breaker in the axial direction of the rotating shaft 8 .

Preferably, it also includes: a battery 26, the battery 26 is fixed on one side of the chassis 1, and the deceleration motor 5 is electrically connected to the battery 26, so that an external power source is not required to start the motor 5.

Preferably, there are multiple limit posts 13 arranged on the first clamp plate 2 and the second clamp plate 3 , and are evenly distributed on both sides of the forward induction proximity switch 12 .

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: The technical solutions described in the embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A 10kV removable circuit breaker transfer auxiliary device is characterized in that: comprising a chassis, a first splint, a second splint and a controller, a motor is fixed on one side of the chassis, and the motor output is connected to The surface is provided with rotating shafts of the first thread segment and the second thread segment, the thread rotation directions of the first thread segment and the second thread segment are opposite, and the rotating shaft is located above the chassis; The upper part of the chassis is provided with guide rails parallel to the rotating shaft on both sides of the rotating shaft. The upper surfaces of a splint and a second splint are used to place circuit breakers; the bottom frame is also used to connect with the transfer equipment spreader of the circuit breaker; A first shaft sleeve and a second shaft sleeve are respectively sleeved on the first threaded section and the second threaded section of the rotating shaft, and the inner walls of the first and second shaft sleeves are respectively set with the first threaded section. a thread that engages with the second thread segment; the first bushing and the second bushing are located below the first splint and the second splint, respectively, and the first bushing is fixedly connected to the first splint, the second shaft sleeve is fixedly connected with the second splint; The first splint and the second splint are provided with a forward induction proximity switch and a limit column at the same end along the direction perpendicular to the rotating shaft, and the limit column is perpendicular to the forward induction proximity switch from the rotating shaft. The distance is the same, the limit post is used to prevent the circuit breaker from continuing to move beyond the forward inductive proximity switch; A first vertical plate is arranged on the side close to the motor of the first clamping plate, and a second vertical plate is arranged on the side away from the motor of the second clamping plate; the first vertical plate and the second vertical plate Both are provided with side-position inductive proximity switches, and all are provided with limit card holes on the side facing the forward inductive proximity switches for engaging with the lock tongue of the circuit breaker; Each of the forward induction proximity switches, the side position induction proximity switches and the motor are respectively electrically connected to the controller, and the controller is used for receiving the signals of each of the forward induction proximity switches and the side position induction proximity switches, and according to the received signals. The signal controls the motor operation. 2. A 10kV removable circuit breaker transfer auxiliary device according to claim 1, characterized in that: said first clamp plate and second clamp plate are provided with grooved slides at the bottom along the length direction of said guide rail. The groove is matched with the guide rail, and the guide rail penetrates from the groove of the slider. 3. A 10kV removable circuit breaker transfer auxiliary device according to claim 2, characterized in that: there are a plurality of the sliding blocks provided at the bottom of the first clamping plate and the second clamping plate, and a plurality of the The sliders are evenly spaced along the length of the guide rail. 4 . The 10kV removable circuit breaker transfer auxiliary device according to claim 1 , wherein the first bushing is fixedly connected to the first splint, and the second bushing is connected to the The second splint is fixedly connected, specifically: The lower surface of the first splint is provided with a third vertical plate, the lower surface of the second splint is provided with a fourth vertical plate, the first bushing and the third vertical plate and the second bushing and the fourth vertical plate are both. Bolted. 5 . The 10kV removable circuit breaker transfer auxiliary device according to claim 4 , wherein bearing seats are provided at both ends of the rotating shaft, and the bearing seats are fixed on the chassis. 6 . 6. A 10kV removable circuit breaker transfer auxiliary device according to claim 1, characterized in that: the lower part of the chassis is further provided with two fork arm clamping slots for clamping with the fork arm of a forklift truck . 7. A 10kV removable circuit breaker transfer auxiliary device according to claim 1, characterized in that: the distance between the side inductive proximity switch and the upper surface of the first and second plywood is equal to the distance of the The height of the protruding part of the circuit breaker base; The first vertical plate is provided above the side position induction proximity switch with a first folding plate facing the second vertical plate, and the second vertical plate is positioned above the side position induction proximity switch and faces the The second hemming plate of the first vertical plate is used for abutting the circuit breaker base. 8. A 10kV removable circuit breaker transfer auxiliary device according to claim 1, characterized in that, further comprising: a battery; The battery is fixed on one side of the chassis, and the motor is electrically connected to the battery. 9 . The 10kV removable circuit breaker transfer auxiliary device according to claim 6 , wherein the lower part of the chassis is symmetrically provided with feet. 10 . 10. A 10kV removable circuit breaker transfer auxiliary device according to claim 1, characterized in that: there are a plurality of limit posts arranged on the first plywood and the second plywood, and are evenly distributed on the Both sides of the forward induction proximity switch.

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