CN110400706A - A kind of novel switching-off device and its application method - Google Patents

Abstract

The invention discloses a novel opening device, which includes a base, a main mechanical arm, a secondary mechanical arm, a telescopic component and a control circuit. The telescopic component is fixedly mounted on the base, and the secondary mechanical arm is movably mounted on the telescopic On the part, the main mechanical arm is fixedly installed on the secondary mechanical arm, the control circuit is fixedly arranged in the base, the main mechanical arm includes a driving part, a connecting part and an operating head, and the driving part and The operating head capable of horizontal expansion and contraction is installed on the connecting part, and the invention also provides a novel operation method of the opening device. The advantages of the present invention are: the present invention is easy to operate, improves the maintenance efficiency of the operators, greatly guarantees the personal safety of the operators during the opening process, saves a lot of manpower and material resources, and can effectively deal with steep sites, sudden power failures, and no power supply Power supply and other harsh on-site environments have high engineering practical application significance.

Description

A new type of opening device and its application method

technical field

The invention relates to a novel opening device, in particular to a novel opening device and a using method thereof.

Background technique

In recent years, with the development and progress of the power system, the number of substations has been increasing, and new high-voltage equipment has been increasing. High-voltage switchgear is widely used in power systems due to its small footprint, convenient maintenance, and high integration. At the same time, there are problems in the high-voltage switchgear that the opening electromagnet in the cabinet is damaged, the power supply is out of power, and the control circuit is disconnected. gate, so that the scope of the accident is expanded, and it may even cause the power supply system to be paralyzed.

There are two main solutions to the traditional high-voltage switchgear failure of remote control opening accidents: (1) The staff manually operates the circuit breaker emergency trip opening button on site; (2) The upper-level bus is powered off, and the staff conducts maintenance on the equipment. In the first solution, because the emergency tripping and opening button is on the panel of the high-voltage switch cabinet, the distance between the staff and the charged body is relatively close, which may easily cause the staff to be injured, and there is a certain risk of personal injury or death. The second solution can ensure that the staff can operate the high-voltage switchgear to open the gate without risk, but it will affect the normal power supply of the substation, which will take a long time, cause power users to be forced to cut off power, and have high economic costs.

Contents of the invention

The purpose of the present invention is to provide a novel opening device and its use method, which can effectively adapt to harsh and changeable work sites, can improve the maintenance efficiency of operators, and reduce maintenance costs and complexity.

In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

A new type of opening device, including a base, a main mechanical arm, a secondary mechanical arm, a telescopic component and a control circuit, the telescopic component is fixedly installed on the base, and the secondary mechanical arm is movably mounted on the telescopic component. The main mechanical arm is fixedly installed on the auxiliary mechanical arm, and the control circuit is fixedly arranged in the base. The main mechanical arm includes a driving part, a connecting part and a horizontally telescopic operating head. The driving part and the operating head All are installed on the connecting part, and the operation head is connected with the drive part in transmission.

Further, the connecting part includes a fixed rod and a first connecting plate, the fixed rod is fixedly installed on the first connecting plate, a cavity is provided inside the fixed rod, and the tail of the operating head is arranged on the In the cavity, the head of the operation head protrudes from the cavity, and the connecting part can further help to fix the position of the operation head, and can more stably match with the high-voltage switchgear.

Further, the driving part is a hydraulic cylinder, the hydraulic cylinder includes a piston, the tail of the operating head is fixedly installed on the end of the piston, and the hydraulic cylinder is fixedly installed in the cavity of the fixed rod Inside, the thrust of the hydraulic drive is stable, enabling the operating head to accurately open the high-voltage switchgear.

Further, the driving part is a motor, and the motor is engaged with the operation head through a rack and pinion, and the motor is fixed on the first connecting plate through bolts. The driving accuracy of the motor is high, and the ease of operation can be improved. sex.

Further, the secondary mechanical arm includes an L-shaped bending rod and a second connecting plate, the second connecting plate is rotatably mounted on one end of the L-shaped bending rod, and the other end of the L-shaped bending rod is movably mounted on the telescopic On the components, the second connecting plate is fixedly connected to the connecting part of the main mechanical arm, and the supporting force of the auxiliary mechanical arm can make the main mechanical arm work stably, helping the fine-tuning position to better align with the emergency tripping button of the circuit breaker.

Further, the telescopic part includes a horizontal connecting rod and a vertical connecting rod, the two ends of the horizontal connecting rod are respectively provided with left and right fixed circular sleeves, the right fixed circular sleeve is movably connected with the secondary mechanical arm, and the left fixed circular sleeve Nested with the vertical connecting rod, a locking sleeve is movably installed under the left fixed circular sleeve, the vertical connecting rod is fixedly installed on the base, the horizontal connecting rod and the vertical connecting rod can be initially adjusted according to the working position , and the initial state of the device is stabilized, the operation is simple and the convenience of the device is improved.

Further, the base includes a housing, a plug, a roller and a locking mechanism, the plug is arranged on the side of the housing, the roller is rotatably arranged at the bottom of the housing, and the locking mechanism is fixedly installed on the Above the roller, the plug is electrically connected to the driving part. After the approximate position of the device is determined, the roller must be locked by a locking mechanism to prevent movement during operation. The plug is connected to the on-site power supply to provide power so that the operating head can be controlled The driving part is driven to work.

Further, the base also includes an uninterruptible power supply, the control circuit is used to drive the movement of the main mechanical arm, the uninterruptible power supply and the control circuit are fixedly arranged in the housing, and the control circuit is connected in series with the plug , the uninterrupted power supply is electrically connected to the control circuit, and the control circuit is used for personnel to remotely operate the mechanical arm. The uninterrupted power supply ensures that the installation personnel can operate the high-voltage switchgear when there is no power supply on site or when the power is cut off in an emergency, saving a lot of energy. Human and material resources.

At the same time, the present invention also provides a method for using a novel opening device, the method of use is as follows:

1) Roughly locate the device, check the working site environment, select an appropriate distance from the high-voltage switchgear and move the device base to fix the device according to the site conditions, then record the center position of the base and mark this point as P ₀ ;

2) Determine the height of the telescopic part, adjust and select the most suitable height of the telescopic part according to the position of the emergency release button of the on-site high-voltage switchgear, record the highest point of the telescopic part and mark this point as P _h1 ; adjust the telescopic part again Record the horizontal height of the telescopic part used to support the auxiliary mechanical arm and mark this point as P _h2 , and determine the telescopic part according to the position of the emergency trip opening button of the on-site high-voltage switchgear and compare it with the initial position of the telescopic part , record the rotation angle and mark it as θ ₀ ;

3) The detailed positioning of the main mechanical arm and the auxiliary mechanical arm, according to the specific position of the emergency trip button of the on-site high-voltage switchgear, fine-tune the height and rotation angle of the auxiliary mechanical arm, and mark the intersection center of the auxiliary mechanical arm and the telescopic part as P _c2 , mark the highest point of the secondary mechanical arm as P _h2 , mark the rotation angle of the secondary mechanical arm compared with the initial position as θ ₁ , and finally ensure that the main mechanical arm is aligned with the emergency tripping button of the high-voltage switchgear;

4) The starting device, when there is a power supply at the job site, the power supply at the job site is processed to obtain a stable DC power supply to the driving parts of the main mechanical arm; when there is no power supply at the job site or a sudden power failure, the auxiliary energy of the base is used to provide power for a short time Make the main mechanical arm work normally;

5) Remote control, according to the physical position of the opening device determined in step 3), the remote control distance is determined, the control circuit sends the opening control command, and the operation of the driving part is controlled. The operating head on the main mechanical arm contacts the emergency tripping and opening button to realize high-voltage Switchgear opening function.

Compared with prior art, the advantage of the present invention is:

The invention adopts a novel opening mechanical arm device. In terms of efficiency, the invention is easy to operate. It only needs a simple operation process to realize the opening function by adjusting the position of the base, the height of the telescopic rod, and further fine-tuning the position of the auxiliary mechanical arm to drive the operating head, which improves the maintenance efficiency of the operators; In terms of safety, the device adopts wireless remote control operation, which greatly guarantees the personal safety of operators during the opening process; in terms of cost, combined with uninterrupted power supply, it can open the gate in the shortest time according to the site conditions, avoiding bus power failure and saving a lot Human and material resources; In terms of application occasions, the device is suitable for high-voltage switchgears of different voltage levels, and can effectively cope with harsh site environments such as steep sites, sudden power failures, and no power supply, and has high engineering practical application significance.

Description of drawings

Fig. 1 is the overall structural diagram of the device in Embodiment 1 of the present invention;

Fig. 2 is a detailed view of the structure of the main mechanical arm in Embodiment 1 of the present invention;

Fig. 3 is a side view of the sub-manipulator structure in Embodiment 1 of the present invention;

Fig. 4 is a front view of the sub-manipulator structure in Embodiment 1 of the present invention;

Fig. 5 is a detailed view of the structure of the telescopic rod in Embodiment 1 of the present invention;

6 is a detailed view of the base structure in Embodiment 1 of the present invention;

Fig. 7 is a control block diagram of the robotic arm in Embodiment 1 of the present invention;

Fig. 8 is a working principle diagram of the uninterruptible power supply in Embodiment 2 of the present invention;

FIG. 9 is a schematic diagram of the control circuit in Embodiment 2 of the present invention.

Detailed ways

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientation or position shown in the drawings The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Embodiment one:

Referring to Fig. 1 to Fig. 7, a new opening device of this embodiment includes a base 4, a main mechanical arm 1, a secondary mechanical arm 2, a telescopic part 3 and a control circuit, and the telescopic part 3 is fixedly mounted on the base by threads 4, the auxiliary mechanical arm 2 is movably installed on the telescopic part 3, the main mechanical arm 1 is installed on the auxiliary mechanical arm 2 through bolts, and the control circuit is fixedly arranged in the base 4, The main mechanical arm 1 includes a driving part 1.1, a connecting part 1.3 and an operating head 1.5, and the driving part 1.1 and the horizontally telescopic operating head 1.5 are installed on the connecting part 1.3.

Referring to Fig. 3, the connecting part includes a fixed rod 1.2 and a first connecting plate 1.3, the fixed rod 1.2 is fixedly mounted on the first connecting plate 1.3, and a cavity 1.4 is arranged inside the fixed rod 1.2, and the The tail of the operating head 1.5 is arranged in the cavity 1.2, the head of the operating head 1.5 protrudes from the cavity 1.2, and the operating head 1.5 is connected to the driving part 1.1 in transmission, and the connecting part can help to fix the position of the operating head 1.5 , more stable matching with high-voltage switchgear. The drive components include but are not limited to the following solutions:

1. The driving part is a hydraulic cylinder, and the hydraulic cylinder includes a piston. The tail of the operating head is fixedly installed on the end of the piston through a piston pin, and the hydraulic cylinder is fixedly installed on the fixed side by bolts. In the cavity of the rod, the thrust of the hydraulic drive is stable, enabling the operating head to accurately open the high-voltage switchgear.

2. Referring to Figure 2, the drive part 1.1 is a motor, the motor 1.1 is meshed with the operation head 1.5 through a rack and pinion, the gear is fixedly installed on the motor, the rack is fixedly installed at the tail of the operation head 1.5, and the motor It is fixedly installed on the first connecting plate 1.3 by bolts, and the bottom of the fixed rod 1.2 is provided with an opening, and the opening is used to mesh and connect the gear on the motor with the rack on the operation head 1.5, and the motor driving accuracy is high , Speed regulation is also very convenient, improving the ease of operation.

Referring to Fig. 4, the auxiliary mechanical arm includes an L-shaped bending rod 2.2 and a second connecting plate 2.1, and the second connecting plate 2.1 is mounted on one end of the L-shaped bending rod 2.2 by hinged rotation, and the L-shaped bending rod 2.2 The other end is movably installed on the telescopic part 3, the second connecting plate 2.1 is fixedly connected with the connecting part of the main mechanical arm by bolts, and the second connecting plate 2.1 can rotate along the center line of the end surface on the L-shaped bending rod 2.2 , and the fine-tuning position can be moved up and down on the telescopic part 3. This structure can make the main mechanical arm 1 more accurately and stably align with the quasi-opening emergency trip button of the high-voltage switchgear.

Referring to Fig. 5, the telescopic part 3 includes a horizontal connecting rod 3.1 and a vertical connecting rod 3.2, and the two ends of the horizontal connecting rod 3.1 are respectively provided with left and right fixed circular sleeves, and the right fixed circular sleeve 3.3 and the auxiliary mechanical arm 2 are moved Bolt connection, which can be tightened and fixed or loosened and moved. The left fixed circular sleeve 3.5 is nested with the vertical connecting rod 3.2, and the tightness is also adjusted through the movable bolt. A locking sleeve 3.4 is movably installed under the left fixed circular sleeve 3.5. Further fix the position of the horizontal connecting rod 3.3 to prevent sliding, the vertical connecting rod 3.2 is fixedly mounted on the base 4 through threads, and the positions of the horizontal connecting rod 3.1 and the vertical connecting rod 3.2 are fixed by the locking sleeve 3.4, and then the auxiliary The position and angle of the robot arm and the main robot arm can help the device to operate in various environments and improve flexibility.

Referring to Fig. 6, the base 4 includes a housing 4.3, a plug 4.1, a roller 4.2 and a locking mechanism 4.4, the plug 4.1 is arranged on the side of the housing 4.3, and the roller 4.2 is fixed on the housing by screwing At the bottom of the body 4.3, the locking mechanism 4.4 is fixedly installed above the roller 4.2 through a threaded connection, and the plug 4.1 is electrically connected to the driving part. After the approximate position of the device is determined, the locking mechanism 4.4 needs to be used to lock the roller 4.2 Locking prevents movement during operation, and the plug 4.1 is connected to the on-site power supply to provide power so that the operating head can be driven by the driving part to work.

The working principle of this embodiment: move the device to an appropriate distance from the high-voltage switchgear and lock the rollers under the base, adjust the height of the vertical connecting rod according to the position of the emergency trip and opening button of the high-voltage switchgear on site, and select an appropriate vertical connecting rod Then adjust the height of the horizontal connecting rod. According to the position of the emergency trip button of the on-site high-voltage switchgear, compare it with the initial position of the horizontal connecting rod, determine the rotation angle of the horizontal connecting rod, and fine-tune the height and rotation angle of the auxiliary mechanical arm. , to ensure that the operating head of the main mechanical arm is aligned with the emergency release button of the high-voltage switchgear, and the power supply is supplied to the main mechanical arm through the plug to connect the power supply, and the driving parts operate to control the operating head on the main mechanical arm to realize the opening function of the high-voltage switchgear .

Embodiment two:

A new type of opening device in this embodiment includes a base 4, a main mechanical arm 1, a secondary mechanical arm 2, a telescopic part 3 and a control circuit, the telescopic part 3 is fixedly mounted on the base 4 by threads, and the secondary mechanical arm The arm 2 is movably installed on the telescopic part 3, the main mechanical arm 1 is mounted on the auxiliary mechanical arm 2 through bolts, the control circuit is fixedly arranged in the base 4, and the main mechanical arm 1 includes The driving part 1.1, the connecting part 1.3 and the operating head 1.5, the driving part 1.1 and the horizontally telescopic operating head 1.5 are installed on the connecting part 1.3.

The difference is: this embodiment also adds a control circuit and an uninterruptible power supply on the basis of the first embodiment, and realizes the function of providing power for the device when there is no power supply or emergency power failure. If there is no power on site, manual work is required. Open gate, easy to cause casualties and major economic losses. The base 4 also includes an uninterruptible power supply (Uninterruptible Power System, UPS), the control circuit is used to drive the movement of the main mechanical arm, the uninterruptible power supply and the control circuit are fixedly arranged in the housing, the The control circuit is connected in series with the plug 4.4, the uninterruptible power supply is electrically connected to the control circuit, the power supply can be processed by the uninterruptible power supply to obtain a stable direct current supply to the drive components, the control circuit is used for personnel to remotely operate the mechanical arm, and the uninterruptible power supply is guaranteed It ensures that the installation personnel can operate the high-voltage switchgear when there is no power supply or emergency power failure on site, saving a lot of manpower and material resources.

Simultaneously, the present invention also provides a method for using a novel opening device, which method includes the following steps:

1) Roughly locate the device, check the working site environment, select an appropriate distance from the high-voltage switchgear and move the device base to fix the device according to the site conditions, then record the center position of the base and mark this point as P ₀ ;

2) Determine the height of the telescopic part, adjust and select the most suitable height of the telescopic part according to the position of the emergency release button of the on-site high-voltage switchgear, record the highest point of the telescopic part and mark this point as P _h1 ; adjust the telescopic part again Record the horizontal height of the telescopic part used to support the auxiliary mechanical arm and mark this point as P _h2 , and determine the telescopic part according to the position of the emergency trip opening button of the on-site high-voltage switchgear and compare it with the initial position of the telescopic part , record the rotation angle and mark it as θ ₀ ;

3) The detailed positioning of the main mechanical arm and the auxiliary mechanical arm, according to the specific position of the emergency trip button of the on-site high-voltage switchgear, fine-tune the height and rotation angle of the auxiliary mechanical arm, and mark the intersection center of the auxiliary mechanical arm and the telescopic part as P _c2 , mark the highest point of the secondary mechanical arm as P _h2 , mark the rotation angle of the secondary mechanical arm compared with the initial position as θ ₁ , and finally ensure that the main mechanical arm is aligned with the emergency tripping button of the high-voltage switchgear;

4) The starting device, when there is a power supply at the job site, the power supply at the job site is processed to obtain a stable DC power supply to the driving parts of the main mechanical arm; when there is no power supply at the job site or a sudden power failure, the auxiliary energy of the base is used to provide power for a short time Make the main mechanical arm work normally;

5) Remote control, according to the physical position of the opening device determined in step 3), determine the remote control distance, send the opening control command to the control circuit, and drive the operation of the components to control the operation. The operating head on the main mechanical arm contacts the emergency tripping and opening button to realize Opening function of high voltage switchgear.

The concrete operation of step 1) is:

Place the new opening device on the job site, and check whether the main and auxiliary mechanical arms are in good condition: whether the driving parts in the main mechanical arm operate normally and whether the operating head expands and retracts normally, whether the connection between the auxiliary mechanical arm and the horizontal connecting rod is jammed, whether the vertical connecting rod is Stretch normally and so on. Place the main mechanical arm at a distance of no more than 50cm from the high-voltage switchgear to be opened. After determining the distance from the high-voltage switchgear, lock the bottom wheel to fix the device, and then record the center position of the base and mark this point as P ₀ .

The concrete operation of step 2) is:

Measure the height P _h0 of the center of the emergency trip button of the on-site high-voltage switchgear, adjust the height of the vertical connecting rod, select the overall height of the appropriate vertical connecting rod, record the highest point of the vertical connecting rod and mark this point as P _h1 ; adjust For the height of the horizontal connecting rod, record the center of the intersection of the horizontal connecting rod and the vertical connecting rod and mark this point as P _c1 ; The rotation angle of the connecting rod, record the rotation angle and mark it as θ ₀ , and satisfy formula (1).

In the formula: P _h1 - the height of the highest point of the vertical connecting rod; P _h0 - the height of the circle center of the emergency trip button of the on-site high-voltage switchgear; P _c1 - the height of the intersection center of the horizontal connecting rod and the vertical connecting rod; θ ₀ - the rotation angle of the horizontal link compared to the initial position

The concrete operation of step 3) is:

According to the specific position of the emergency release and opening button of the on-site high-voltage switchgear, first fine-tune the height and rotation angle of the auxiliary mechanical arm, mark the intersection center of the auxiliary mechanical arm and the horizontal connecting rod as P _c2 , and place the 90-degree connecting rod in the auxiliary mechanical arm The highest point is marked as P _h2 , and the rotation angle of the secondary mechanical arm compared with the initial position is marked as θ ₁ . Finally, ensure that the operating head of the main mechanical arm is aligned with the emergency tripping button of the high-voltage switchgear, that is, the center of the operating head is aligned with the high-voltage switchgear. The center of the circle of the switch cabinet’s emergency trip opening button, and record the height of the circle center of the operating head of the main mechanical arm as P _hf .

In the formula: P _{c2 ——the} height of the intersection center of the auxiliary mechanical arm and the horizontal link; P _{h2 ——the} height of the highest point of the 90-degree connecting rod in the auxiliary mechanical arm; P _{hf ——the} height of the center of the operating head; θ ₁ ——the auxiliary mechanical arm The angle of rotation of the arm compared to the initial position

The concrete operation of step 4) is:

Through step 3), the physical position of the main mechanical arm is determined, and then the uninterruptible power supply is started. The design of the uninterruptible power supply is shown in Figure 8. The AC 220V AC is rectified, filtered, and stabilized to obtain a stable DC power. Insert the plug into the power supply in the field. If the external power supply suddenly loses power or there is no external power supply, the energy storage power supply of the uninterrupted control power supply can provide a stable DC power for a short time, and then realize the forward and reverse rotation of the driving parts through the control circuit to realize the main mechanical arm. The telescopic action of the mechanical rod, the control circuit is shown in Figure 9. The control circuit realizes the positive and negative rotation of the driving parts by changing the on-off of KM1 and KM2. The specific working principle of the circuit is as follows: When the SB2 forward rotation button is pressed, the KM1 contactor When the switch is turned on, the normally open node of KM1 is closed, the forward rotation self-holding circuit is turned on, and the driving parts run forward; when the SB3 reverse button is pressed, the KM2 contactor is turned on, so that the KM2 normally open node is closed, and the reverse self-holding circuit is turned on. When the SB1 stop button is pressed, its normally closed node is disconnected, the forward rotation and reverse rotation circuit is disconnected, and the driving component stops forward rotation or reverse rotation.

The concrete operation of step 5) is:

According to the physical position of the opening device determined in step 3), the operator is 5-15m away from the device to ensure a safe and controllable working environment, and then send a control command to the control circuit to drive the driving part to operate and control the operating head on the main mechanical arm , to realize the opening of the high-voltage switchgear.

The above is only a specific embodiment of the present invention, but the technical characteristics of the present invention are not limited thereto, any changes or modifications made by those skilled in the art within the field of the present invention are covered by the patent scope of the present invention among.

Claims (9)

1. a kind of novel switching-off device, it is characterised in that: including pedestal, main mechanical arm, secondary mechanical arm, extensible member and control electricity Road, the extensible member are fixedly mounted on pedestal, and the pair mechanical arm is movably arranged on the extensible member, the host Tool arm is fixedly mounted on the secondary mechanical arm, and the control circuit is fixed in the pedestal, the main mechanical arm packet The operating head of driving part, connecting component and horizontal extension is included, the driving part and operating head are installed in the interconnecting piece On part, the operating head and driving part are sequentially connected.

2. a kind of novel switching-off device as described in claim 1, it is characterised in that: the connecting component includes fixed link and the One connecting plate, the fixed link are fixedly mounted on first connecting plate, and the fixed link is internally provided with cavity, the behaviour The tail portion for making head is arranged in the cavity, and cavity is stretched out on the head of the operating head.

3. a kind of novel switching-off device as claimed in claim 2, it is characterised in that: the driving part is hydraulic cylinder, described Hydraulic cylinder includes piston, and the tail portion of the operating head is fixedly mounted on the end of the piston, the fixed peace of the hydraulic cylinder In the cavity of the fixed link.

4. a kind of novel switching-off device as claimed in claim 2, it is characterised in that: the driving part is motor, the electricity Machine is connect with operating head by rack and pinion engagement, and the motor is fixedly mounted on first connecting plate.

5. a kind of novel switching-off device as described in claim 1, it is characterised in that: the pair mechanical arm include L-type curved bar and Second connecting plate, second connecting plate are rotatably installed in one end of the L-type curved bar, the other end activity installation of L-type curved bar On the extensible member, second connecting plate is fixedly connected with the connecting component of main mechanical arm.

6. a kind of novel switching-off device as described in claim 1, it is characterised in that: the extensible member include waling stripe and Vertical links, the waling stripe both ends are respectively arranged with the fixed circle set in left and right, right fixed circle set and the secondary mechanical arm activity Connection, the left fixed circle set is nested with vertical links, and the left fixed circle set underside is equipped with locking set, described vertical Connecting rod is fixedly mounted on the base.

7. a kind of novel switching-off device as described in claim 1, it is characterised in that: the pedestal includes shell, plug, idler wheel And the side of the shell is arranged in retaining mechanism, the plug, the idler wheel is fixed at the housing bottom, the lock Tight mechanism is fixedly mounted on above the idler wheel, and the plug is electrically connected with the driving part.

8. a kind of novel switching-off device as claimed in claim 7, it is characterised in that: the pedestal further includes uninterrupted power supply electricity Source, the control circuit are used to drive the movement of main mechanical arm, and the uninterruption power source and control circuit are fixed at In the shell, the control circuit is connected with plug, and the uninterruption power source is electrically connected with control circuit.

9. a kind of application method using the novel switching-off device of any one of claim 1-8, it is characterised in that: application method Following steps:

1) device coarse localization, Inspection site environment, according to field condition, the suitable distance of selection and high-tension switch cabinet is simultaneously Mobile device pedestal fixes device, then records base center position and the point is designated as P₀；

2) it determines extensible member height, according to live high-tension switch cabinet emergency trip opening button position, adjusts and select most to close Suitable extensible member height records the highest point of extensible member and the point is designated as P_h1；The level of extensible member is adjusted again Highly, extensible member is recorded to be used to support the level height of secondary mechanical arm and the point is designated as P_h2,；According to live high-voltage switch gear Cabinet emergency trip opening button position determines the rotation angle of extensible member, records this compared with extensible member initial position Rotation angle is simultaneously designated as θ₀；

3) main mechanical arm and secondary mechanical arm detail positioning, according to live high-tension switch cabinet emergency trip opening button specific location, The height and rotation angle for finely tuning secondary mechanical arm, are designated as P for the intersection point center of secondary mechanical arm and extensible member_c2, by secondary mechanical arm Highest point be designated as P_h2, by secondary mechanical arm compared with initial position after rotation angle scale be θ₁, finally ensure main mechanical arm pair Quasi- high-tension switch cabinet emergency trip opening button；

4) starter, when operation field has power supply, live power supply handles to obtain stable DC by electric energy The driving part of electricity supply main mechanical arm；It is short by pedestal auxiliary energy when operation field unpowered power supply or power-off suddenly Temporarily providing electric energy works normally main mechanical arm；

5) remote control determines remote control distance according to the switching-off device physical location that step 3) determines, sends and divides to control circuit Lock control instruction, driving part operating control the operating head on main mechanical arm and contact emergency trip opening button, realize that height presses off Close cabinet separating brake function.