CN219303517U

CN219303517U - Grounding switch interlocking device

Info

Publication number: CN219303517U
Application number: CN202223410704.5U
Authority: CN
Inventors: 尧超; 刘贵林; 邓明会; 熊成; 刘松
Original assignee: Chuan Kai Electric Co ltd; Qingdao Tgood Electric Co Ltd
Current assignee: Chuan Kai Electric Co ltd; Qingdao Tgood Electric Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-04
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a grounding switch interlocking device which comprises a bent plate, a circuit breaking test position locking mechanism, a grounding switch closing locking mechanism and a grounding switch opening locking mechanism, wherein a lock mounting plate is arranged on one side of the bent plate, a lock slave plate is arranged in the lock mounting plate, a second mounting plate is arranged at one end of the top of the bent plate, a first mounting plate is arranged at the other end of the top of the bent plate, the circuit breaking test position locking mechanism is connected to one end of the rear side of the mounting plate, the grounding switch closing locking mechanism is connected to the middle end of the rear side of the mounting plate, and the grounding switch opening locking mechanism is connected to the other end of the rear side of the mounting plate. The grounding switch interlocking device integrates the handcart misoperation device and the grounding switch interlocking device in the same mechanism, has a simple structure, is safe and reliable, can realize the locking and closing interlocking of the grounding switch at the test position of the lock breaker, does not interfere with each other, and can prevent non-professional personnel from being injured in the operation process.

Description

Grounding switch interlocking device

Technical Field

The utility model relates to the technical field of power supply safety equipment, in particular to a grounding switch interlocking device.

Background

The handcart misoperation device consists of a circuit breaking test position lock mechanism, and the circuit breaker test position lock mechanism can realize the function of switching on and off the handcart by mistake. The grounding switch interlocking device is composed of a grounding switch opening locking mechanism and a grounding switch closing locking mechanism. The ground switch opening and closing locking mechanism can realize the function of error opening and closing of the ground switch.

The locking machine of the breaking test position on the market is difficult to realize the interlocking of closing with the grounding switch and does not interfere with each other, so that non-professional staff can be injured in the operation process, and for this reason, the grounding switch interlocking device is provided.

Disclosure of Invention

The utility model aims to provide a grounding switch interlocking device, which solves the problem that the locking machine for the breaking test position on the market, which is proposed in the background technology, is difficult to realize the interlocking of closing with the grounding switch and does not interfere with the locking machine, so that non-professional staff can be damaged in the operation process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grounding switch interlock, includes bent plate, circuit breaking test position lock mechanism, grounding switch closing lock mechanism and grounding switch separating brake lock mechanism, one side of bent plate is provided with the lock mounting panel, and the inside of lock mounting panel is provided with the lock by the board, the one end at bent plate top is provided with the second mounting panel, the other end at bent plate top is provided with first mounting panel, the one end of mounting panel rear side is connected with circuit breaking test position lock mechanism, and the middle-end of mounting panel rear side is connected with grounding switch closing lock mechanism, the other end of mounting panel rear side is connected with grounding switch separating brake lock mechanism.

Further, the three locks are embedded in the lock mounting plate by the plate, and the lock is fixedly connected between the plate and the inside of the mounting plate.

Further, one end of the circuit breaking test position lock mechanism is embedded in the bottom of the second mounting plate, and the circuit breaking test position lock mechanism is fixedly connected with the second mounting plate.

Further, the test position locking mechanism that opens circuit is including first lock, lock car connecting rod, lock car turning arm, first retaining ring, first bolt, lock axletree and lock axletree mounting panel, the one end of first lock is provided with the lock car connecting rod, and the one end of lock car connecting rod is provided with the lock car turning arm, the end of lock car connecting rod is provided with first retaining ring, the top of lock car turning arm is embedded to have first bolt, and the top of lock car turning arm is connected with the lock axletree, the middle-end of lock axletree is provided with lock axletree mounting panel.

Further, the top end of the locking crank arm is connected with the tail end of the locking axle, and the locking crank arm is movably connected with the locking axle.

Further, the earthing switch closing lock mechanism comprises a second lock, a lock earthing switch connecting rod, a lock earthing switch crank arm, a second retainer ring, a short pulling plate, a second bolt and a lock earthing switch shaft, wherein the lock earthing switch connecting rod is arranged at one end of the second lock, the lock earthing switch crank arm is arranged at one end of the lock earthing switch connecting rod, the second retainer ring is arranged at the tail end of the lock earthing switch connecting rod, the short pulling plate is arranged at one end of the lock earthing switch crank arm, the second bolts are arranged at the upper end and the lower end of the short pulling plate, and the lock earthing switch shaft is connected at the top end of the short pulling plate.

Furthermore, the lock grounding switch crank arm is connected with the lock grounding switch shaft through the short pulling plate, and a transmission structure is arranged between the lock grounding switch crank arm and the lock grounding switch shaft through the short pulling plate.

Further, the structure of the grounding switch opening and closing lock mechanism is the same as that of the grounding switch closing and locking mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

the grounding switch interlocking device integrates the handcart misoperation device and the grounding switch interlocking device in the same mechanism, has a simple structure, is safe and reliable, can realize the locking and closing interlocking of the grounding switch at the test position of the lock breaker, does not interfere with each other, and can prevent non-professional personnel from being injured in the operation process.

When lock axletree horizontal perpendicular to lock car connecting rod, lock car connecting rod is in the extraction position this moment to the key can't drive lock car connecting rod and rotate, and the key can't extract from first lock, drive the test position and the extraction position that lock car turning arm is on one side when lock axletree, lock car connecting rod and first phase lock are connected this moment, and the key can rotate and extract, and lock car connecting rod can't push to working position this moment, this simple structure, and it is convenient to install, has effectively reduced the injured probability of operating personnel.

The structure of the grounding switch opening and closing lock mechanism is the same as that of the grounding switch closing and closing lock mechanism, when the grounding switch is in an opening state, the key cannot rotate in the second lock and cannot be pulled out, and only when the locking grounding switch shaft is separated from the working position, the short pulling plate is driven to drive the locking grounding switch turning arm to push back, so that the grounding switch is in a closing state, the locking grounding switch connecting rod is connected with the second lock, the key can be pulled out from the second lock in rotation, and therefore opening and closing cannot occur simultaneously, accuracy of opening and closing of the grounding switch is improved, and error opening and closing are effectively prevented.

Drawings

FIG. 1 is a schematic top perspective view of the present utility model;

fig. 2 is a schematic diagram of the opening and closing lock mechanism of the grounding switch;

fig. 3 is a schematic view of the structure of the circuit breaking test position lock mechanism of the present utility model.

In the figure: 1. a bending plate; 2. a lock mounting plate; 3. the lock is composed of a plate; 4. a second mounting plate; 5. a first mounting plate; 6. a circuit breaking test position lock mechanism; 601. a first lock; 602. a locking connecting rod; 603. locking the crank arm; 604. a first retainer ring; 605. a first latch; 606. locking an axle; 607. a lock axle mounting plate; 7. the grounding switch closing and locking mechanism; 701. a second lock; 702. locking the grounding switch connecting rod; 703. locking the grounding switch crank arm; 704. the second check ring; 705. a short pulling plate; 706. a second latch; 707. locking the grounding switch shaft; 8. the earthing switch is a brake-separating lock mechanism.

Detailed Description

Example 1

As shown in fig. 1-2, the ground switch interlocking device comprises a bending plate 1, a lock mounting plate 2, a lock plate 3, a second mounting plate 4, a first mounting plate 5, a breaking test position lock mechanism 6, a ground switch closing lock mechanism 7 and a ground switch opening lock mechanism 8, wherein one side of the bending plate 1 is provided with the lock mounting plate 2, the lock plate 3 is arranged in the lock mounting plate 2, one end of the top of the bending plate 1 is provided with the second mounting plate 4, the other end of the top of the bending plate 1 is provided with the first mounting plate 5, one end of the rear side of the mounting plate 5 is connected with the breaking test position lock mechanism 6, the middle end of the rear side of the mounting plate 5 is connected with the ground switch closing lock mechanism 7, the other end of the rear side of the mounting plate 5 is connected with the ground switch opening lock mechanism 8, the ground switch closing lock mechanism 7 comprises a second lock 701, a lock ground switch connecting rod 707, a lock ground switch connecting lever 703, a second retainer 704, a short pulling plate 705, a second latch 706 and a lock ground switch shaft, one end of the second lock 701 is provided with a lock grounding switch connecting rod 702, one end of the lock grounding switch connecting rod 702 is provided with a lock grounding switch crank arm 703, the tail end of the lock grounding switch connecting rod 702 is provided with a second check ring 704, one end of the lock grounding switch crank arm 703 is provided with a short pull plate 705, the upper end and the lower end of the short pull plate 705 are both provided with second bolts 706, the top end of the short pull plate 705 is connected with a lock grounding switch shaft 707, the lock grounding switch shaft 707 is connected with the lock grounding switch crank arm 703 through the short pull plate 705, and the connection parts of the upper end and the lower end of the short pull plate 705 are fixed through second bolts 706, so that the lock grounding switch shaft 707, the short pull plate 705 and the lock grounding switch crank arm 703 are in a transmission structure, the structure of a grounding switch opening lock mechanism 8 is the same as that of the grounding switch closing lock mechanism 7, when the grounding switch is in a brake-separating state, the key cannot rotate in the second lock 701 and cannot be pulled out, and only when the grounding switch shaft 707 is separated from the working position, the short pulling plate 705 is driven to drive the grounding switch crank arm 703 to push back, so that the grounding switch is in a brake-closing state, the grounding switch connecting rod 702 is connected with the second lock 701, the key can be pulled out from the second lock 701 in a rotating way, and therefore brake separation and brake closing cannot occur simultaneously, the brake separation and brake closing accuracy of the grounding switch is improved, and error brake separation and brake closing are effectively prevented.

Example 2

As shown in fig. 3, the circuit breaking test position locking mechanism 6 comprises a first lock 601, a lock connecting rod 602, a lock crank arm 603, a first check ring 604, a first bolt 605, a lock axle 606 and a lock axle mounting plate 607, wherein one end of the first lock 601 is provided with the lock connecting rod 602, one end of the lock connecting rod 602 is provided with the lock crank arm 603, the tail end of the lock connecting rod 602 is provided with the first check ring 604, the top end of the lock crank arm 603 is embedded with the first bolt 605, the top end of the lock crank arm 603 is connected with the lock axle 606, the middle end of the lock axle 606 is provided with the lock axle mounting plate 607, movable connection is arranged between the lock axle 606 and the lock crank arm 603, a transmission structure is arranged between the lock axle 606 and the lock crank arm 603, the connection position between the lock axle 606 and the lock crank arm 603 is fixed through the first bolt 605, when the lock axle 606 is horizontally perpendicular to the lock connecting rod 602, the lock connecting rod 602 is at the pulling-out position at the moment, the key can not drive the lock connecting rod 602 to rotate, and the lock connecting rod 602 can not be pulled out from the first lock connecting rod 601, the lock connecting rod 603 can not be pulled out from the first lock connecting rod 602, the position is driven by the lock connecting rod 602, the position can not be rotated, the device is easy, and the device can be easily and the device is easy to be damaged, and can be easily and easily operated by people.

Working principle: for such a grounding switch interlocking device, firstly, when the grounding switch is in a brake-separating state, a key cannot rotate in the second lock 701 and cannot be pulled out, only when the grounding switch shaft 707 is separated from a working position, the short pulling plate 705 is driven to drive the grounding switch turning arm 703 to push back, so that the grounding switch is in a brake-on state, and therefore, the grounding switch connecting rod 702 is connected with the second lock 701, the key can be pulled out from the second lock 701 in a rotating manner, then when the locking axle 606 is horizontally perpendicular to the locking connecting rod 602, the locking connecting rod 602 is in a pulling-out position, so that the key cannot drive the locking connecting rod 602 to rotate, and the key cannot be pulled out from the first lock 601, and when the locking axle 606 drives the locking turning arm 603 to a test position and the pulling-out position on one side, the locking connecting rod 602 is connected with the first lock 601, and the locking connecting rod 602 cannot be pushed to the working position at the moment, so that the grounding switch cannot be switched on, and therefore, the possibility of misoperation of operators is reduced.

Claims

1. The utility model provides a grounding switch interlock, includes bent plate (1), circuit breaking test position locking mechanism (6), grounding switch closing lock mechanism (7) and grounding switch separating brake locking mechanism (8), its characterized in that: one side of bent plate (1) is provided with lock mounting panel (2), and the inside of lock mounting panel (2) is provided with lock by board (3), the one end at bent plate (1) top is provided with second mounting panel (4), the other end at bent plate (1) top is provided with first mounting panel (5), the one end of mounting panel (5) rear side is connected with circuit breaking test position locking mechanism (6), and the middle-end of mounting panel (5) rear side is connected with earthing switch closing locking mechanism (7), the other end of mounting panel (5) rear side is connected with earthing switch separating brake locking mechanism (8).

2. The ground switch interlock of claim 1 wherein: the three locks are embedded in the lock mounting plate (2) by the plate (3), and the lock is fixedly connected between the plate (3) and the inside of the mounting plate (5).

3. The ground switch interlock of claim 1 wherein: one end of the circuit breaking test position locking mechanism (6) is embedded at the bottom of the second mounting plate (4), and the circuit breaking test position locking mechanism (6) is fixedly connected with the second mounting plate (4).

4. The ground switch interlock of claim 1 wherein: the utility model provides a circuit breaking test position lock mechanism (6) is including first lock (601), lock car connecting rod (602), lock car turning arm (603), first retaining ring (604), first bolt (605), lock axletree (606) and lock axletree mounting panel (607), the one end of first lock (601) is provided with lock car connecting rod (602), and the one end of lock car connecting rod (602) is provided with lock car turning arm (603), the end of lock car connecting rod (602) is provided with first retaining ring (604), the top of lock car turning arm (603) is embedded to have first bolt (605), and the top of lock car turning arm (603) is connected with lock axletree (606), the middle-end of lock axletree (606) is provided with lock axletree mounting panel (607).

5. The ground switch interlock of claim 4 wherein: the top end of the locking crank arm (603) is connected with the tail end of the locking axle (606), and the locking crank arm (603) is movably connected with the locking axle (606).

6. The ground switch interlock of claim 1 wherein: the earthing switch closing lock mechanism (7) comprises a second lock (701), a lock earthing switch connecting rod (702), a lock earthing switch crank arm (703), a second check ring (704), a short pulling plate (705), a second bolt (706) and a lock earthing switch shaft (707), wherein one end of the second lock (701) is provided with the lock earthing switch connecting rod (702), one end of the lock earthing switch connecting rod (702) is provided with the lock earthing switch crank arm (703), the tail end of the lock earthing switch connecting rod (702) is provided with the second check ring (704), one end of the lock earthing switch crank arm (703) is provided with the short pulling plate (705), the upper end and the lower end of the short pulling plate (705) are respectively provided with the second bolt (706), and the top end of the short pulling plate (705) is connected with the lock earthing switch shaft (707).

7. The ground switch interlock of claim 6 wherein: the lock grounding switch crank arm (703) is connected with the lock grounding switch shaft (707) through a short pull plate (705), and a transmission structure is arranged between the lock grounding switch crank arm (703) and the lock grounding switch shaft (707) through the short pull plate (705).

8. The ground switch interlock of claim 1 wherein: the structure of the grounding switch opening and closing lock mechanism (8) is the same as that of the grounding switch closing and locking mechanism (7).