CN113643909A - Portable general type cubical switchboard handcart and ground connection switch electric operating means - Google Patents
Portable general type cubical switchboard handcart and ground connection switch electric operating means Download PDFInfo
- Publication number
- CN113643909A CN113643909A CN202110767567.1A CN202110767567A CN113643909A CN 113643909 A CN113643909 A CN 113643909A CN 202110767567 A CN202110767567 A CN 202110767567A CN 113643909 A CN113643909 A CN 113643909A
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- handcart
- motor
- torque
- control circuit
- transmission shaft
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
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- Mechanisms For Operating Contacts (AREA)
Abstract
The invention relates to a portable universal switch cabinet handcart and grounding knife switch electric operating device, and belongs to the technical field of power transformation operation and maintenance of power systems. Including installing the motor in the organism, motor output end drive is connected with drive mechanism, drive mechanism drive transmission shaft rotates, transmission shaft one end extends to the organism outside, the transmission shaft extends to the outside one end of organism and installs the general type handcart that is used for inserting in handcart handle hole or ground connection switch handle hole and shakes the head, install torque sensor on the transmission shaft, still install control circuit in the organism, control circuit includes operating device on the spot, remote control relay, be used for realizing the switching between operating device on the spot and the remote control relay on the spot/remote control switching mechanism. The invention adopts the rechargeable battery for power supply, is convenient to move, is suitable for the operation of switch cabinets and grounding disconnecting links of different manufacturers and different voltage grades, has small volume and is convenient to carry and store.
Description
Technical Field
The invention relates to a portable universal switch cabinet handcart and grounding disconnecting link electric operating device which is widely applied to the operation process of a switch cabinet handcart and a grounding disconnecting link and belongs to the technical field of power transformation operation and maintenance of power systems.
Background
In the existing electric power system, a handcart of a switch cabinet of a transformer substation is manually operated, and needs to be operated by an operator on site when the handcart is shaken in and out. Along with the electric power demand constantly increases, a large amount of transformer substations put into operation, and operating personnel work bearing capacity is too big influences electric wire netting safe operation, especially when new station puts into operation or many intervals overhaul simultaneously etc. large-scale operation, consumes a large amount of physical power of operating personnel and time, influences electric wire netting power supply reliability and further promotes. Meanwhile, in order to avoid the risk of explosion in the process of shaking the trolley, protect the safety of operators and practically advance the requirement of the times of science and technology enterprises, a portable general-type switch cabinet handcart and grounding disconnecting link electric operating device needs to be developed so as to improve the operating efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a portable general-type switch cabinet handcart and grounding disconnecting link electric operating device which is powered by a rechargeable battery, is convenient to move, is suitable for being operated by switch cabinets and grounding disconnecting links of different manufacturers and different voltage levels, and is small in size, convenient to carry and store.
In order to achieve the purpose, the invention provides the following technical scheme:
a portable universal electric operating device for a switch cabinet handcart and a grounding switch is characterized by comprising a motor 2 arranged in a machine body 1, wherein the output end of the motor 2 is connected with a driving mechanism in a driving way, the driving mechanism drives a transmission shaft 3-5 to rotate, one end of the transmission shaft 3-5 extends to the outside of the machine body 1, one end of the transmission shaft 3-5 extending to the outside of the machine body 1 is provided with a universal handcart crank head 5 inserted into a handcart operating hole or a grounding switch operating hole, the transmission shaft 3-5 is provided with a torque sensor 3-2, a control circuit 6 is also arranged in the machine body 1, the control circuit 6 comprises a local operating mechanism 6-1, a remote control relay 6-3 and a local/remote control switching mechanism 6-2 for realizing switching between the local operating mechanism 6-1 and the remote control relay 6-3;
the local/remote control switching mechanism 6-2 is in communication connection with the local operating mechanism 6-1 and the remote control relay 6-3 through a control circuit 6-4, and a forward connection wire 10 and a reverse connection wire 11 are arranged between the local/remote control switching mechanism 6-2 and the motor 2;
the electric motor 2 is also connected with a rechargeable battery pack 7, and the rechargeable battery pack 7 supplies power to the local/remote control switching mechanism 6-2;
the local operating mechanism 6-1 is provided with a handcart/grounding disconnecting link operating mode switching button 12, a forward rotation button 13 for controlling the forward rotation of the motor 2, a reverse rotation button 14 for controlling the reverse rotation of the motor 2 and a stop button 15 for controlling the stop of the motor 2;
the bottom of the machine body 1 is provided with a telescopic supporting leg 8, and a supporting leg fastening pin 9 is arranged on the supporting leg 8;
the transmission mechanism comprises a driving wheel 3-4 arranged on an output shaft of the motor 2, the driving wheel 3-4 is connected with a driven wheel 3-1 through a transmission belt 3-3, and a transmission shaft 3-5 is arranged on the driven wheel 3-1;
the universal handcart crank head 5 is arranged on the transmission shafts 3-5 through the crank head fixing bolt 4.
The invention relates to an operation method of a portable general switch cabinet handcart and a grounding knife switch electric operation device, which is characterized by comprising the following steps:
1. the control circuit 6-4 is connected to the local operation button 6-1 or the remote control relay 6-3 through the local/remote control switching handle 6-2, so that switching between local operation and remote operation is realized;
when the on-site operation is switched, the handcart/grounding disconnecting link operation mode switching button 12, the forward rotation button 13, the reverse rotation button 14 and the stop button 15 on the on-site operation button 6-1 are pressed to realize the operation mode switching, the motor forward rotation, the motor reverse rotation and the motor stop operation;
when the remote control operation is switched, the remote control relay 6-3 is controlled by the remote controller to realize the control of the device;
2. the telescopic supporting legs 8 are unfolded, the height of equipment is adjusted according to the positions of a handcart operation hole or a grounding disconnecting link operation hole, so that the universal handcart crank head 5 can be just inserted into the handcart operation hole, and then the supporting leg fastening pins 9 are well fixed to complete height adjustment and equipment fixing;
3. the motor 2 is connected with a driving wheel 3-4, a driven wheel 3-1 and a transmission shaft 3-5 are driven by a transmission belt 3-3, power is transmitted to a crank head fixing bolt 4, and a torque sensor 3-2 is mounted on the transmission shaft 3-5 and can transmit a torque value to a control circuit 6 in real time;
4. when the operation mode is switched to handcart operation, a handcart operation threshold value is adopted, a real-time torque value transmitted by the torque sensor 3-2 is received through the control circuit 6, when the torque value is larger than a shutdown torque threshold value of the handcart operation, the handcart is operated in place or the handcart is abnormally jammed due to a mechanism per se, and the control circuit 6 cuts off the motor 2;
under a handcart operation mode, the automatic adjustment of the output rotating speed can be realized, the characteristic of large torque when a handcart contact is in contact is utilized, a threshold value is set, the automatic adjustment of the rotating speed is realized, and the aim of quickly contacting or separating the handcart contact is fulfilled;
specifically, in the process of shaking the handcart in, the torque required in the initial stage is small, and at the moment, the control circuit 6 controls the motor 2 to be in a low rotating speed. When the torque sensor 3-2 detects that the torque is increased (the stopping torque threshold value is not reached), it is indicated that the contact of the handcart is in contact, the control circuit 6 controls the motor 2 to increase the rotating speed at the moment, the handcart contact is quickly contacted, in the process of shaking the handcart, the initial stage is the contact separation process, the required torque is large, the control circuit 6 controls the motor 2 to be in high rotating speed at the moment, after the contact is separated, the torque sensor 3-2 detects that the torque is reduced, and the control circuit 6 controls the motor 2 to reduce the rotating speed at the moment;
5. when the mode is the grounding disconnecting link operation, a grounding disconnecting link operation threshold value is adopted, an operation time threshold value is determined according to the working time of the motor 2 required by 90-degree rotation, the motor 2 is automatically stopped when the rotation reaches the threshold value, meanwhile, a larger torque is required for operating the grounding disconnecting link, and a larger stopping torque threshold value can be set in the mode.
Compared with the prior art, the invention has the following positive effects: the invention discloses a portable universal electric operating device for a switch cabinet handcart and a grounding disconnecting link, which can adapt to the operation of the handcart and the grounding disconnecting link of different manufacturers and multiple voltage grades, improve the operation efficiency, reduce the workload of operators and avoid the injury of the switch explosion to human bodies in the process of trolley operation. It has the following components:
the grounding switch is suitable for the operation of switch cabinets and grounding switches of different manufacturers and different voltage grades. When the device is used, the height of the device is adjusted to adapt to the heights of handcart and grounding disconnecting link operation holes at different intervals, such as lines, main transformers, voltage transformers and the like, and the handle is replaced to adapt to the handcart or grounding disconnecting link operation holes of different manufacturers and voltage grades.
2. Convenient operation, time saving and labor saving. The device adopts the motor device and has the function of automatic stop according to the torque change, on one hand, the handcart or the grounding disconnecting link can be automatically stopped after being operated in place, and on the other hand, when the mechanism of the equipment per se is abnormally jammed, the device can be prevented from continuously rotating to damage the equipment. The operation can be carried out on site and remotely, and the operation can be carried out only by pressing a button after the equipment is fixed.
3. The output rotating speed is automatically adjusted. When the handcart is operated, the contact of the handcart is required to be quickly contacted or separated so as to quickly extinguish the electric arc. The device can automatically set different rotating speeds according to different processes of handcart shaking.
4. And respectively setting operation modes aiming at the handcart and the grounding disconnecting link. The handcart and the grounding disconnecting link have different requirements although both are operated by rotating the handle. The handcart needs to rotate for multiple turns during operation, and the required torque is small; the grounding disconnecting link only needs to rotate 90 degrees in operation, and the required torque is large. The device sets operation mode switching, and sets threshold values for two operations respectively so as to realize the operation of the handcart and the grounding disconnecting link.
5. Can be operated remotely, and prevent personal injury caused by switch explosion. The remote control operation can be realized by the remote control device through the shaking-in and shaking-out buttons on the remote controller, and personal injury caused by switch explosion in the process of shaking the trolley is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a portable general-type switch cabinet handcart and a grounding knife switch electric operating device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the portable general-type electric operating device for a switch cabinet handcart and a grounding switch in this embodiment includes a motor 2 installed in a machine body 1, a transmission mechanism is connected to an output end of the motor 2 in a driving manner, the transmission mechanism drives a transmission shaft 3-5 to rotate, one end of the transmission shaft 3-5 extends to the outside of the machine body 1, a general-type handcart handle head 5 for inserting into a handcart operation hole or a grounding switch operation hole is installed at one end of the transmission shaft 3-5 extending to the outside of the machine body 1, the general-type handcart handle head 5 is installed on the transmission shaft 3-5 through a handle head fixing bolt 4, a torque sensor 3-2 is installed on the transmission shaft 3-5, a control circuit 6 is further installed in the machine body 1, the control circuit 6 includes a local operating mechanism 6-1, a remote control relay 6-3, and a local/remote control relay 6-3 for realizing switching between the local operating mechanism 6-1 and the remote control relay 6-3 Controlling the switching mechanism 6-2; the local/remote control switching mechanism 6-2 is in communication connection with the local operating mechanism 6-1 and the remote control relay 6-3 through a control circuit 6-4, and a forward connection wire 10 and a reverse connection wire 11 are arranged between the local/remote control switching mechanism 6-2 and the motor 2; the electric motor 2 is also connected with a rechargeable battery pack 7, and the rechargeable battery pack 7 supplies power to the local/remote switching mechanism 6-2.
The local operation mechanism 6-1 has the following specific structure: the on-site operation mechanism 6-1 is provided with a handcart/grounding disconnecting link operation mode switching button 12, a forward rotation button 13 for controlling the forward rotation of the motor 2, a reverse rotation button 14 for controlling the reverse rotation of the motor 2 and a stop button 15 for controlling the stop of the motor 2;
in order to facilitate lifting, the bottom of the machine body 1 is provided with a telescopic supporting leg 8, and a supporting leg fastening pin 9 is arranged on the supporting leg 8;
the transmission mechanism has the specific structure that: the transmission mechanism comprises a driving wheel 3-4 arranged on an output shaft of the motor 2, the driving wheel 3-4 is connected with a driven wheel 3-1 through a transmission belt 3-3, and a transmission shaft 3-5 is arranged on the driven wheel 3-1;
an operation method of a portable general switch cabinet handcart and a grounding knife switch electric operation device comprises the following steps:
1. the control circuit 6-4 is connected to the local operation button 6-1 or the remote control relay 6-3 through the local/remote control switching handle 6-2, so that switching between local operation and remote operation is realized; when the on-site operation is switched, the handcart/grounding disconnecting link operation mode switching button 12, the forward rotation button 13, the reverse rotation button 14 and the stop button 15 on the on-site operation button 6-1 are pressed to realize the operation mode switching, the motor forward rotation, the motor reverse rotation and the motor stop operation; when the remote control operation is switched, the remote control relay 6-3 is controlled by the remote controller to realize the control of the device;
2. the telescopic supporting legs 8 are unfolded, the height of equipment is adjusted according to the positions of a handcart operation hole or a grounding disconnecting link operation hole, so that the universal handcart crank head 5 can be just inserted into the handcart operation hole, and then the supporting leg fastening pins 9 are well fixed to complete height adjustment and equipment fixing;
3. the motor 2 is connected with a driving wheel 3-4, a driven wheel 3-1 and a transmission shaft 3-5 are driven by a transmission belt 3-3, power is transmitted to a crank head fixing bolt 4, and a torque sensor 3-2 is mounted on the transmission shaft 3-5 and can transmit a torque value to a control circuit 6 in real time;
4. when the operation mode is switched to handcart operation, a handcart operation threshold value is adopted, a real-time torque value transmitted by the torque sensor 3-2 is received through the control circuit 6, when the torque value is larger than a shutdown torque threshold value of the handcart operation, the handcart is operated in place or the handcart is abnormally jammed due to a mechanism per se, and the control circuit 6 cuts off the motor 2;
under a handcart operation mode, the automatic adjustment of the output rotating speed can be realized, the characteristic of large torque when a handcart contact is in contact is utilized, a threshold value is set, the automatic adjustment of the rotating speed is realized, and the aim of quickly contacting or separating the handcart contact is fulfilled; specifically, in the process of shaking the handcart in, the torque required in the initial stage is small, and at the moment, the control circuit 6 controls the motor 2 to be in a low rotating speed. When the torque sensor 3-2 detects that the torque is increased (the stopping torque threshold value is not reached), it is indicated that the contact of the handcart is in contact, the control circuit 6 controls the motor 2 to increase the rotating speed at the moment, the handcart contact is quickly contacted, in the process of shaking the handcart, the initial stage is the contact separation process, the required torque is large, the control circuit 6 controls the motor 2 to be in high rotating speed at the moment, after the contact is separated, the torque sensor 3-2 detects that the torque is reduced, and the control circuit 6 controls the motor 2 to reduce the rotating speed at the moment;
5. when the mode is the grounding disconnecting link operation, a grounding disconnecting link operation threshold value is adopted, an operation time threshold value is determined according to the working time of the motor 2 required by 90-degree rotation, the motor 2 is automatically stopped when the rotation reaches the threshold value, meanwhile, a larger torque is required for operating the grounding disconnecting link, and a larger stopping torque threshold value can be set in the mode.
The invention relates to a portable universal electric operating device for a switch cabinet handcart and a grounding disconnecting link, which can adapt to the operation of the handcart and the grounding disconnecting link of different manufacturers and multiple voltage grades, improve the operating efficiency, reduce the workload of operators and avoid the personal injury caused by switch explosion in the trolley operating process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a portable general type cubical switchboard handcart and ground connection switch electrically operated device, its characterized in that is including installing the motor in the organism, motor output end drive is connected with drive mechanism, drive mechanism drive transmission shaft rotates, transmission shaft one end extends to the organism outside, the transmission shaft extends to the outside one end of organism and installs the general type handcart that is used for inserting handcart handle hole or ground connection switch handle hole and shakes the head, install torque sensor on the transmission shaft, still install control circuit in the organism, control circuit includes operating device on the spot, remote control relay, be used for realizing the operating device on the spot/remote control switching mechanism who switches between the remote control relay.
2. The portable universal-type switch cabinet handcart and earthing switch electric operating device according to claim 1, wherein said local/remote switching mechanism is connected with local operating mechanism and remote relay through control circuit communication, and between local/remote switching mechanism and motor there are forward and reverse connection.
3. A portable, universal switch cabinet trolley and earthing switch electric operating device according to claim 1, characterized in that said electric motor is further connected with a rechargeable battery pack, which supplies power to the local/remote switching mechanism.
4. A portable universal switch cabinet trolley and earthing knife-switch electric operating device according to claim 1, characterized in that the on-site operating mechanism is provided with a trolley/earthing knife-switch operating mode switching button, a forward rotation button for controlling the motor to rotate forward, a reverse rotation button for controlling the motor to rotate backward, and a stop button for controlling the motor to stop.
5. The portable universal switch cabinet handcart and grounding knife switch electric operating device according to claim 1, wherein the bottom of the machine body is provided with a telescopic supporting leg, and a supporting leg fastening pin is arranged on the supporting leg.
6. The portable universal switch cabinet handcart and grounding knife switch electric operating device according to claim 4, wherein said transmission mechanism comprises a driving wheel mounted on the output shaft of the motor, the driving wheel is connected with a driven wheel through a transmission belt, and the transmission shaft is mounted on the driven wheel.
7. The portable universal switch cabinet trolley and grounding knife switch electric operating device according to claim 1, wherein the universal trolley handle head is mounted on the transmission shaft through a handle head fixing bolt.
8. A method of operating a portable universal switchgear trolley and earthing switch electric operating device according to any of claims 1-8, characterized in that it comprises the following steps:
1) the control circuit is connected to the local operation button or the remote control relay through the local/remote control switching handle, so that switching between local operation and remote operation is realized;
when the on-site operation is switched, the handcart/grounding disconnecting link operation mode switching button, the forward rotation button, the reverse rotation button and the stop button on the on-site operation button are pressed to realize the operation mode switching, the motor forward rotation, the motor reverse rotation and the motor stop operation;
when the remote control operation is switched, the remote control relay is controlled by the remote controller to realize the control of the device;
2) the telescopic supporting legs are unfolded, the height of equipment is adjusted according to the positions of the handcart operation hole or the grounding disconnecting link operation hole, so that the universal handcart crank head can be just inserted into the handcart operation hole, and then the supporting leg fastening pins 9 are well fixed to complete height adjustment and equipment fixing;
3) the motor is connected with the driving wheel, the driven wheel and the transmission shaft are driven by the transmission belt, the power is transmitted to the crank head fixing bolt, and the transmission shaft is provided with a torque sensor which can transmit a torque value to the control circuit in real time;
4) when the operation mode is switched to handcart operation, a handcart operation threshold value is adopted, a real-time torque value transmitted by a torque sensor is received through a control circuit, when the torque value is larger than a shutdown torque threshold value of the handcart operation, the handcart operation is in place or the handcart is abnormally jammed due to a mechanism, and the control circuit cuts off a motor;
under a handcart operation mode, the automatic adjustment of the output rotating speed can be realized, the characteristic of large torque when a handcart contact is in contact is utilized, a threshold value is set, the automatic adjustment of the rotating speed is realized, and the aim of quickly contacting or separating the handcart contact is fulfilled;
5. when the mode is the grounding disconnecting link operation, a grounding disconnecting link operation threshold value is adopted, an operation time threshold value is determined according to the working time of the motor required by 90-degree rotation, the motor is automatically stopped when the motor rotates to reach the threshold value, meanwhile, the grounding disconnecting link is required to be operated by larger torque, and a larger stopping torque threshold value can be set in the mode.
9. The operation method of the portable general-type switch cabinet handcart and grounding disconnecting link electric operation device according to claim 8, wherein in the handcart operation mode in the step 4), the handcart is shaken in, the torque required in the initial stage is small, and the control circuit controls the motor to be in a low rotation speed;
when the torque sensor detects that the torque is increased, it is indicated that a handcart contact is in contact, the control circuit controls the motor to increase the rotating speed at the moment, the handcart contact is quickly contacted, when the handcart is shaken out, the contact separation process is carried out at the initial stage, the required torque is large, the control circuit controls the motor to be at a high rotating speed at the moment, after the contacts are separated, the torque sensor detects that the torque is reduced, and the control circuit controls the motor to reduce the rotating speed at the moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110767567.1A CN113643909A (en) | 2021-07-07 | 2021-07-07 | Portable general type cubical switchboard handcart and ground connection switch electric operating means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110767567.1A CN113643909A (en) | 2021-07-07 | 2021-07-07 | Portable general type cubical switchboard handcart and ground connection switch electric operating means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113643909A true CN113643909A (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110767567.1A Pending CN113643909A (en) | 2021-07-07 | 2021-07-07 | Portable general type cubical switchboard handcart and ground connection switch electric operating means |
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| CN (1) | CN113643909A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743813A (en) * | 2022-05-09 | 2022-07-12 | 南通伯林环保科技有限公司 | Switch operating device case with prevent that mistake from touching high security |
-
2021
- 2021-07-07 CN CN202110767567.1A patent/CN113643909A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743813A (en) * | 2022-05-09 | 2022-07-12 | 南通伯林环保科技有限公司 | Switch operating device case with prevent that mistake from touching high security |
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