CN201222625Y

CN201222625Y - Removal high voltage switch cabinet shutter operating gear

Info

Publication number: CN201222625Y
Application number: CNU2008200382059U
Authority: CN
Inventors: 吴振飞; 袁其乔; 颜哲彬; 申新秀
Original assignee: Jiangsu Zhenan Power Equipment Co Ltd
Current assignee: Jiangsu Zhenan Power Equipment Co Ltd
Priority date: 2008-07-11
Filing date: 2008-07-11
Publication date: 2009-04-15
Anticipated expiration: 2018-07-11

Abstract

The utility model belongs to a high-voltage electrical transmitting and distributing device, which relates to a component structure of a removal type high-voltage switch cabinet, in particular to a valve headstock gear of the removal type high-voltage switch cabinet, the device comprises a pair of an upper valve and a lower valve, and the upper valve and the lower valve can move up and down along a slide way, mounting racks are arranged on both sides of the front portion of the slide way, drive connecting levers are arranged on the mounting racks, the middle portions of the drive connecting levers are pivoted on the mounting racks, the rear ends of the drive connecting levers are simultaneously pivoted with the lower ends of a long connecting rod and a short connecting rod, the upper end of the long connecting rod is pivoted on the middle section of an upper swinging arm, a translation connecting rod is pivoted between the rear ends of the upper swing arm and the upper valve, the upper end of the short connecting rod is pivoted on the front section of the lower swinging arm, and a lower translation connecting rod is pivoted between the rear ends of the lower swinging arm and the side edge of the lower valve, roller spindles are arranged on the front ends of the drive connecting levers, driving rails are respectively arranged on both sides of a breaker hand trolley, and driving rails can drive the roller spindles and the drive connecting levers to swing up and down. The utility model has the advantages of simple structure, convenient manufacturing and installation, and high operating reliability.

Description

Moveable high-voltage switchgear valve headstock gear

Technical field

The utility model belongs to the high pressure equipment for power transmission and distribution, relates to the modular construction of moveable high-voltage switchgear, specifically is a kind of moveable high-voltage switchgear valve headstock gear.

Background technology

Moveable high-voltage switchgear is widely used in the Allocation transformer in industries such as power plant, transformer station, industrial and mining enterprises, railway transportation, skyscraper or field, its structure generally includes cabinet and circuit breaker cart, circuit breaker cart can push or pull out cabinet by road wheel, with convenient maintenance and maintenance.Be separately installed with moving contact and the fixed contact that cooperatively interacts on the circuit breaker cart He in the cabinet, when circuit breaker cart when pushing, being blocked in interior fixed contact the place ahead of cabinet and valve need open, and the moving contact fixed contact grafting interior with being installed in cabinet on the handcart cooperated; When circuit breaker cart was pulled out, the valve in the cabinet need be closed again, so that fixed contact is protected.In the existing moveable high-voltage switchgear, gear drive is adopted in the automatic unlatching of valve mostly, and its complex structure, required precision height, manufacturing cost height and reliability of operation can not get guaranteeing; And the resetting to close and need spur by back-moving spring mostly of valve, spring uses easy fatigue failure for a long time, also can't guarantee the action message of mechanism.

Summary of the invention

Technical problem to be solved in the utility model is, a kind of simple in structure, manufacturing is easy for installation, operational reliability is high moveable high-voltage switchgear valve headstock gear is provided.

Moveable high-voltage switchgear valve headstock gear of the present utility model includes a pair of interior last valve and the following valve of cabinet that vertically is arranged on switch cubicle, upper and lower valve two ends are placed on a pair of vertical guide rail that is positioned at the cabinet both sides, and upper and lower valve can be moved along guide rail is upper and lower; The both sides, the place ahead of two guide rails are provided with the installing rack of fixedlying connected with a pair of cabinet, be equipped with one on each installing rack and drive connecting lever, the middle part that drives connecting lever is hinged on the installing rack by jointed shaft, and the rear end of driving connecting lever and the lower end of a long connecting rod and a short connecting rod are simultaneously hinged; The upper end of described long connecting rod is hinged on the stage casing of a top link, and described top link is positioned at installing rack top, and the leading portion of top link is hinged on the installing rack, is hinged with one between the rear end of top link and the side of last valve and goes up the transition connecting rod; The upper end of described short connecting rod is hinged on the leading portion of a following swing arm, and described following swing arm is positioned at the bottom of installing rack, and descends the stage casing of swing arm to be hinged on the installing rack, is hinged with a following transition connecting rod between the side of the rear end of following swing arm and following valve; Each front end that drives connecting lever is equipped with a Roller Shaft, and Roller Shaft is outstanding to the inside; Be respectively arranged with the drive track that can enter for above-mentioned Roller Shaft in the both sides of circuit breaker cart, but driven roller axle and drive the upper and lower swing of connecting lever when drive track moves forward and backward.

A clamp also is installed on the installing rack in cabinet, and the middle part of clamp is hinged on the installing rack by rotating shaft, and clamp is provided with a hook, and this hook can be hooked on the bayonet lock on the above-mentioned driving connecting lever and drive the connecting lever swing to stop; Also be connected with between clamp and the installing rack and can make the clamp rotation and make the spring of hook near bayonet lock; Simultaneously, also be provided with block in the both sides of circuit breaker cart, the lower end of above-mentioned clamp is positioned at block on the track that cabinet moves, and can promote above-mentioned clamp and rotate when block is mobile in cabinet, and make the hook on the clamp leave the bayonet lock that drives on the connecting lever.

The utility model is simple in structure, manufacturing is easy for installation, and it utilizes the opening and closing that drive valve of moving of drive track on the circuit breaker cart, and closing of valve need not by back-moving spring, and operational reliability is good.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is the structural representation of the utility model before circuit breaker cart pushes;

Fig. 3 is the structural representation of the utility model after circuit breaker cart pushes;

Fig. 4 is the position view of clamp and bayonet lock before circuit breaker cart pushes;

Fig. 5 is the position view that pushes back clamp and bayonet lock at circuit breaker cart.

Embodiment

Mark in the accompanying drawing comprises: go up valve 1, down valve 2, guide rail 3, installing rack 4, drive connecting lever 5, jointed shaft 6, long connecting rod 7, short connecting rod 8, top link 9, go up transition connecting rod 10, swing arm 11 down, transition connecting rod 12, Roller Shaft 13, drive track 14, clamp 15, rotating shaft 16, hook 17, bayonet lock 18, spring 19, block 20 down.

The course of work of the present utility model is:

Before circuit breaker cart pushed, as shown in Figure 2, the hook 17 on the clamp 15 hooked the bayonet lock 18 that drives on the connecting lever 5, drove connecting lever and can't swing (referring to Fig. 4), last valve 1 and following valve 2 in the closed position can't opening;

When circuit breaker cart pushed, at first as shown in Figure 5, the block 19 promotion clamps 15 on the circuit breaker cart overcame the pulling force of spring 20 and rotate, and make hook 17 break away from bayonet locks 18, and drive connecting lever 5 and can rotate this moment; Afterwards, along with circuit breaker cart continue push, Roller Shaft 13 on the driving connecting lever enters the drive track 14 on the circuit breaker cart, as shown in Figure 3, under the guiding of drive track 14, the leading portion of Roller Shaft and driving connecting lever 5 is to lower swing, the back segment that drives connecting lever then drives long connecting rod 7 and upwards swing of short connecting rod 8, long connecting rod 7 drives by top link 9 and last transition connecting rod 10 and goes up valve 1 unlatchings that move up, and short connecting rod 8 then moves down unlatching by valve 2 under

swing arm

11 and 12 drives of following transition connecting rod down.

When circuit breaker cart is pulled out, same under the reverse pilot of drive track 14, drive connecting lever 5 backswings, drive valve and get back to off-position shown in Figure 2.

Claims

1, a kind of moveable high-voltage switchgear valve headstock gear, it includes a pair of interior last valve (1) and the following valve (2) of cabinet that vertically is arranged on switch cubicle, on, following valve two ends are placed on a pair of vertical guide rail (3) that is positioned at the cabinet both sides, on, following valve can be along on the guide rail, move down, it is characterized in that: the both sides, the place ahead of two guide rails (3) are provided with the installing rack (4) of fixedlying connected with a pair of cabinet, be equipped with one on each installing rack and drive connecting lever (5), the middle part that drives connecting lever is hinged on the installing rack (4) by jointed shaft (6), and the rear end of driving connecting lever and the lower end of a long connecting rod (7) and a short connecting rod (8) are simultaneously hinged; The upper end of described long connecting rod (7) is hinged on the stage casing of a top link (9), top link (9) is positioned at the top of installing rack (4), and the leading portion of top link is hinged on the installing rack, is hinged with one between the side of the rear end of top link (9) and last valve (1) and goes up transition connecting rod (10); The upper end of described short connecting rod (8) is hinged on the leading portion of a following swing arm (11), following swing arm (11) is positioned at the bottom of installing rack (4), and the stage casing of following swing arm is hinged on the installing rack, is hinged with a following transition connecting rod (12) between the side of (11) rear end of following swing arm and following valve (2); Each front end that drives connecting lever (5) is equipped with a Roller Shaft (13), and Roller Shaft is outstanding to the inside; Be respectively arranged with the drive track (14) that can supply Roller Shaft (13) to enter in the both sides of circuit breaker cart, but driven roller axle and drive the upper and lower swing of connecting lever when drive track moves forward and backward.

2, moveable high-voltage switchgear valve headstock gear according to claim 1, it is characterized in that: a clamp (15) also is installed on the installing rack in cabinet, the middle part of clamp is hinged on the installing rack (4) by rotating shaft (16), clamp is provided with a hook (17), and this hook can be hooked in a bayonet lock (18) that drives on the connecting lever (5) and go up to stop the swing of driving connecting lever; Also be connected with between clamp (15) and the installing rack (4) and can make the clamp rotation and make the spring (19) of hook near bayonet lock; Simultaneously, also be provided with block (20) in the both sides of circuit breaker cart frame, the lower end of clamp (15) is positioned at block (20) on the track that cabinet moves, and can promote clamp and rotate when block is mobile in cabinet, and make the hook (17) on the clamp leave the bayonet lock (18) that drives on the connecting lever.