CN218449130U - Auxiliary device for replacing plug-in unit of relay protection device - Google Patents

Abstract

The utility model discloses an auxiliary device for replacing a plug-in device of a relay protection device, which comprises a magnetic base, an adjustment mechanism and a tray; the magnetic base is provided with a boss in the middle of its upper surface, and the upper surface of the boss is rotatably connected with a rotary sleeve ;Adjusting mechanism: set on the upper surface of the rotary sleeve, the bottom surface of the tray is provided with a connecting plate, the upper end of the adjusting mechanism is rotationally connected with the groove in the middle of the connecting plate through a pin shaft, and the upper surface edge of the magnetic base is provided with a fixed column, The middle part of the fixed column is slidingly connected with a sliding sleeve, and the outer surface of the rotating sleeve is uniformly provided with a limited slot, which is used as an auxiliary device for replacing the plug-in of the relay protection device, and is convenient for storing the tools used when replacing the plug-in of the relay protection device. The components disassembled during replacement can also be stored and arranged, and the position of the tray can also be adjusted according to needs, which can greatly improve the efficiency of replacing the plug-in of the relay protection device.

Description

Auxiliary device for replacing plug-in relay protection device

technical field

The utility model relates to the technical field of circuit maintenance, in particular to an auxiliary device for replacing plug-ins of relay protection devices.

Background technique

When the power components in the power system (such as generators, lines, etc.) or the power system itself fail to endanger the safe operation of the power system, it can send a warning signal to the operator on duty in time, or directly send a trip command to the controlled circuit breaker An automatic measure and equipment to terminate the development of these events. The complete set of equipment to realize this automatic measure is generally called a relay protection device. The relay protection device occupies an important position in ensuring the safe operation of the power system, and its operating life is long , generally 6-7 years. During the process of eliminating device defects in substation maintenance automation, most of the faults that occur inside the device can be eliminated by replacing the device module plug-in. For some high-altitude relay protection devices When replacing the plug-in, it is necessary for the staff to use a ladder for maintenance and replacement, but it is inconvenient for the staff to take and place the tools at any time at a high place, and when disassembling the relay protection device, some parts are easy to fall, resulting in overall replacement efficiency lower, for which we propose an auxiliary device for replacing the inserts of protective relays.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide an auxiliary device for replacing the plug-in of the relay protection device, which is convenient for storing the tools used when replacing the plug-in of the relay protection device, and can also replace the plug-in The parts disassembled at the time can be stored and placed, and the position of the tray can be adjusted according to the needs, and it has a variety of installation methods, which is more convenient to use, can greatly improve the efficiency of replacing the plug-in of the relay protection device, and can effectively solve the problems in the background technology. The problem.

In order to achieve the above purpose, the utility model provides the following technical solutions: an auxiliary device for replacing the plug-in relay protection device, including a magnetic base, an adjustment mechanism and a tray;

Magnetic base: there is a boss in the middle of its upper surface, and the upper surface of the boss is rotatably connected with a rotating sleeve;

Adjustment mechanism: set on the upper surface of the rotary sleeve, and the bottom surface of the tray is provided with a connecting plate, the upper end of the adjusting mechanism is rotationally connected with the groove in the middle of the connecting plate through the pin shaft, which is convenient for storing the tools used when replacing the plug-in of the relay protection device , it can also store and arrange the parts disassembled during replacement, and adjust the position of the tray according to the needs, and has a variety of installation methods, which is more convenient to use and can greatly improve the efficiency of replacing the relay protection device plug-in.

Further, the upper surface edge of the magnetic base is provided with a fixed column, and the middle part of the fixed column is slidably connected with a sliding sleeve, and the outer surface of the rotating sleeve is evenly provided with limiting grooves, and the outer surface of the sliding sleeve is provided with a matching groove. The limit bar, the lower end of the sliding sleeve is fixedly connected with the upper surface of the magnetic base through a spring, the upper end of the fixed column is rotatably connected with a dial sleeve, the upper edge of the sliding sleeve is symmetrically provided with a tapered gap, and the lower edge of the dial sleeve is symmetrically provided with a The teeth matched with the tapered notch facilitate the rotation adjustment and fixation of the swivel sleeve.

Further, the middle part of the fixing column is square, which acts as a sliding guide for the sliding of the sliding sleeve.

Further, the adjustment mechanism includes a gas spring, a strut, a U-shaped seat and a rotating shaft. The U-shaped seat is symmetrically arranged at the edge of the upper surface of the rotating sleeve. The inside of the U-shaped seat is provided with a rotating shaft. There is a support rod connected in rotation, and the upper end of the support rod is rotatably connected with the groove in the middle of the connecting plate through a pin shaft. The front and rear ends of the right rotating shaft extend to the outside of the U-shaped seat, and the front and rear ends of the right rotating shaft are symmetrically rotated and connected. There is a gas spring, and the upper end of the gas spring is rotatably connected with the middle part of the left support rod to ensure that the tray is always in a horizontal state during adjustment.

Further, the inner bottom surface of the tray is provided with sockets at equal intervals at the left and right ends, and the inner bottom surface of the tray is symmetrically provided with retaining strips to facilitate the storage of replacement tools.

Further, magnets are bonded to the mounting openings arranged symmetrically in the middle of the connecting plate, and the magnets are all in contact with the bottom surface of the tray, so as to facilitate the adsorption and positioning of the magnetic parts inside the tray.

Further, the front side of the magnetic base is provided with a fixed frame, the threaded hole in the middle of the front of the fixed frame is internally threaded with a screw, and the rear end of the screw is rotatably connected with a gasket to facilitate the installation and fixation of the upper structure.

Compared with the prior art, the beneficial effect of the utility model is that the auxiliary device for replacing the plug-in relay protection device has the following advantages:

1. Fix the auxiliary device to the upper end of the magnetic ladder through the magnetic base. When the ladder is made of non-magnetic material, clamp the fixed frame to the upper end of the ladder, and then turn the screw until the gasket is tight against the ladder, which is convenient for the upper structure The installation is fixed, with a variety of fixing methods, and the fixing is more convenient and quick.

2. The two support rods, the connecting plate and the rotating sleeve form a parallelogram, which can ensure that the tray is always in a horizontal state while adjusting the tray. The gas spring can elastically support the tray. When the tray is adjusted to a suitable position Make the tray hover, turn the rotary sleeve, and adjust the plane angle of the tray. After adjustment, turn the dial sleeve on the upper end of the fixed column to displace the teeth on the lower surface of the dial sleeve and the tapered gap on the upper surface of the sliding sleeve. As a result, the sliding sleeve is moved down, and the limiting strips on the outer side of the sliding sleeve are snapped into the corresponding limiting grooves, so that the rotating sleeve can be fixed and the position of the tray can be adjusted conveniently.

3. The jacks at the left and right ends of the bottom of the tray are convenient for replacing the plug-in of the relay protection device to store the tools, which is easy to pick and place. When replacing, the disassembled screws and other parts can be placed inside the tray, and the magnet can hold the magnetic parts inside the tray. Carrying out adsorption and fixing, placing the disassembled parts to fall, can greatly improve the efficiency of replacement and make it more convenient to use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the bottom structure of the utility model tray;

Fig. 3 is the schematic diagram of enlarged structure of place A of the utility model;

Fig. 4 is a schematic diagram of an internal sectional structure of the fixed frame of the present invention.

In the figure: 1 magnetic base, 2 adjusting mechanism, 21 gas spring, 22 support rod, 23 U-shaped seat, 24 rotating shaft, 3 boss, 4 rotating sleeve, 41 limit slot, 5 tray, 6 connecting plate, 7 socket , 8 bar, 9 magnet, 10 fixed frame, 11 screw rod, 12 gasket, 13 fixed column, 14 sliding sleeve, 15 tapered gap, 16 spring, 17 dial sleeve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, this embodiment provides a technical solution: an auxiliary device for replacing the plug-in relay protection device, including a magnetic base 1, an adjustment mechanism 2 and a tray 5;

Magnetic base 1: the middle part of its upper surface is provided with a boss 3, the upper surface of the boss 3 is rotatably connected with a rotary sleeve 4, the edge of the upper surface of the magnetic base 1 is provided with a fixed post 13, and the middle part of the fixed post 13 is slidably connected with a sliding The outer surface of the sleeve 14 and the rotating sleeve 4 is evenly provided with a limit groove 41, and the outer surface of the sliding sleeve 14 is provided with a limit strip that cooperates with the limit groove 41. The lower end of the sliding sleeve 14 is fixed to the upper surface of the magnetic base 1 by a spring 16 Connection, the upper end of the fixed column 13 is rotatably connected with a dial sleeve 17, the upper surface of the sliding sleeve 14 is symmetrically provided with a tapered notch 15, and the lower surface of the dial sleeve 17 is symmetrically provided with teeth that match the tapered notch 15, and the fixed column 13 The middle part is square, and the dial sleeve 17 on the upper end of the fixed column 13 is rotated, so that the teeth on the lower surface of the dial sleeve 17 are misaligned with the tapered gap 15 on the upper surface of the sliding sleeve 14, so that the sliding sleeve 14 moves down, and the outer surface of the sliding sleeve 14 The limit bar of the stopper is snapped into the corresponding limit groove 41, which is convenient for fixing the rotary sleeve 4. When the teeth on the lower surface of the dial sleeve 17 correspond to the tapered notch 15, under the elastic force of the spring 16, the sliding sleeve 14 Move up and reset. At this time, the rotating sleeve 4 can be rotated and adjusted to facilitate the adjustment and fixation of the plane angle of the upper structure. The front side of the magnetic base 1 is provided with a fixed frame 10, and the threaded hole in the middle of the front of the fixed frame 10 is internally threaded. There is a threaded mandrel 11, and the rear end of the threaded mandrel 11 is rotatably connected with a washer 12. The fixed frame 10 is clamped to the upper end of the ladder, and then the threaded mandrel 11 is rotated until the washer 12 is tight against the ladder, which is convenient for the upper structure. Installation and fixing, with a variety of fixing methods, the fixing is more convenient and quick;

Adjusting mechanism 2: set on the upper surface of the rotary sleeve 4, the bottom surface of the tray 5 is provided with a connecting plate 6, the upper end of the adjusting mechanism 2 is rotationally connected with the groove in the middle of the connecting plate 6 through a pin shaft, the adjusting mechanism 2 includes a gas spring 21, a support Rod 22, U-shaped seat 23 and rotating shaft 24, U-shaped seat 23 is symmetrically arranged at the edge of the upper surface of rotary sleeve 4, and the inside of U-shaped seat 23 is provided with rotating shaft 24, and the middle part of rotating shaft 24 is connected with support rod 22 in rotation. , the upper ends of the poles 22 are rotatably connected to the groove in the middle of the connecting plate 6 through pin shafts, the front and rear ends of the right side of the rotating shaft 24 extend to the outside of the U-shaped seat 23, and the front and rear ends of the right side of the rotating shaft 24 are connected in a symmetrical manner. There is a gas spring 21, the upper end of the gas spring 21 is rotatably connected with the middle part of the left pole 22, and the two poles 22, the connecting plate 6 and the rotating sleeve 4 form a parallelogram, which can ensure The tray 5 is always in a horizontal state, and the gas spring 21 can elastically support the tray 5. When the tray 5 is adjusted to a suitable position, the tray 5 can be hovered to facilitate the adjustment of the position of the tray 5.

Wherein: the left and right ends of the inner bottom surface of the tray 5 are provided with jacks 7 at equal intervals, the inner bottom surface of the tray 5 is symmetrically arranged with retaining strips 8, and the symmetrical installation ports in the middle of the connecting plate 6 are bonded with magnets 9. In contact with the bottom surface of the tray 5, the jacks 7 at the left and right ends of the bottom surface of the tray 5 are convenient for replacing the relay protection device plug-in to store the tool, which is convenient for picking and placing. The magnet 9 can adsorb and fix the magnetic parts inside the tray 5, and the disassembled parts can be dropped, which is more convenient to use.

The working principle of the auxiliary device for replacing the plug-in of the relay protection device provided by the utility model is as follows: the auxiliary device is fixed to the upper end of the magnetic ladder through the magnetic base 1, and when the ladder is made of non-magnetic material, the fixed frame 10 Clamp on the upper end of the ladder, then turn the screw rod 11 until the spacer 12 is tight against the ladder, then move the tray 5 left and right to adjust the shape, at this time the two support rods 22, the connecting plate 6 and the rotating sleeve 4 form a parallelogram , while adjusting the tray 5, it can ensure that the tray 5 is always in a horizontal state. The gas spring 21 can elastically support the tray 5. When the tray 5 is adjusted to a suitable position, the tray 5 can be hovered, and the rotary sleeve can be rotated. 4. It is also possible to adjust the plane angle of the tray 5. After adjustment, turn the dial sleeve 17 on the upper end of the fixed column 13, so that the teeth on the lower surface of the dial sleeve 17 and the tapered gap 15 on the upper surface of the sliding sleeve 14 are misaligned, so that The sliding sleeve 14 moves down, and the limit bar on the outer surface of the sliding sleeve 14 snaps into the corresponding limit groove 41 to facilitate fixing the rotary sleeve 4. When the teeth on the lower surface of the dial sleeve 17 correspond to the tapered gap 15, Under the action of the elastic force of the spring 16, the sliding sleeve 14 moves up and resets. At this time, the rotating sleeve 4 can be rotated and adjusted. The plug-in of the electric protection device stores the tools, which is convenient to take and place. When replacing, the disassembled screws and other parts can be placed inside the tray 5. At the same time, the magnet 9 can absorb and fix the magnetic parts inside the tray 5, and the disassembled parts can be placed away. drop, more convenient to use.

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (7)

1. An auxiliary device for replacing the relay protection device plug-in, characterized in that it includes a magnetic base (1), an adjustment mechanism (2) and a tray (5); Magnetic base (1): a boss (3) is provided in the middle of its upper surface, and the upper surface of the boss (3) is rotatably connected with a swivel sleeve (4); Adjusting mechanism (2): set on the upper surface of the rotating sleeve (4), the bottom surface of the tray (5) is provided with a connecting plate (6), the upper end of the adjusting mechanism (2) passes through the pin shaft and the groove in the middle of the connecting plate (6) Turn to connect. 2. An auxiliary device for replacing the relay protection device plug-in according to claim 1, characterized in that: a fixing column (13) is provided at the edge of the upper surface of the magnetic base (1), and the fixing column ( The middle part of 13) is slidingly connected with a sliding sleeve (14), and the outer surface of the rotary sleeve (4) is uniformly provided with a limit groove (41), and the outer surface of the sliding sleeve (14) is provided with a limiter that matches the limit groove (41). The lower end of the sliding sleeve (14) is fixedly connected with the upper surface of the magnetic base (1) through the spring (16), the upper end of the fixed column (13) is connected with the dial sleeve (17) in rotation, and the upper surface of the sliding sleeve (14) A tapered notch (15) is symmetrically arranged, and teeth matching the tapered notch (15) are symmetrically arranged on the lower edge of the dial sleeve (17). 3. The auxiliary device for replacing the relay protection device plug-in according to claim 2, characterized in that: the middle part of the fixing column (13) is square. 4. An auxiliary device for replacing the relay protection device plug-in according to claim 1, characterized in that: the adjustment mechanism (2) includes a gas spring (21), a strut (22), a U-shaped seat (23) and the rotating shaft (24), the U-shaped seat (23) is symmetrically arranged on the edge of the upper surface of the rotating sleeve (4), and the inside of the U-shaped seat (23) is provided with a rotating shaft (24), and the rotating shaft (24 ) are pivotally connected with a pole (22) in the middle, and the upper ends of the pole (22) are rotationally connected with the groove in the middle of the connecting plate (6) through a pin shaft, and the front and rear ends of the shaft (24) on the right side extend to The outside of U-shaped seat (23), the front and rear ends of rotating shaft (24) on the right side are symmetrically rotated and connected with gas spring (21), and the upper end of gas spring (21) is all connected with the middle part of the pole (22) on the left side to rotate. 5. The auxiliary device for replacing the relay protection device plug-in according to claim 1, characterized in that: the inner bottom surface of the tray (5) is provided with jacks (7) at equal intervals at the left and right ends, and the tray (5) The internal bottom surface of (5) is symmetrically provided with retaining strips (8). 6. An auxiliary device for replacing the relay protection device plug-in according to claim 1, characterized in that: magnets (9) are bonded in the symmetrical installation openings in the middle of the connecting plate (6), and the magnets (9) are all in contact with the bottom surface of the tray (5). 7. The auxiliary device for replacing the relay protection device plug-in according to claim 1, characterized in that: the front side of the magnetic base (1) is provided with a fixed frame (10), and the fixed frame (10) The internal thread of the threaded hole in the middle part of the front is connected with a screw mandrel (11), and the rear end of the screw mandrel (11) is rotatably connected with a gasket (12).

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