CN101820143A

CN101820143A - Novel switch cabinet valve mechanism

Info

Publication number: CN101820143A
Application number: CN 201010145013
Authority: CN
Inventors: 邹强; 朱文鹏; 李辰华; 孙久强; 李光
Original assignee: Shandong Taikai Apparatus Complete Co Ltd
Current assignee: Shandong Taikai Apparatus Complete Co Ltd
Priority date: 2010-04-09
Filing date: 2010-04-09
Publication date: 2010-09-01
Anticipated expiration: 2030-04-09
Also published as: CN101820143B

Abstract

The invention discloses a novel switch cabinet valve mechanism. A large connecting rod I and a large connecting rod II can respectively rotate around a fixed pin I and a fixed pin II; a valve plate I and a valve plate II are hinged with each other through a cross rod I; a valve plate III and a valve plate IV are hinged with each other through a cross rod II; the valve plate I can rotate around a lower valve shaft; the valve plate IV can rotate around an upper valve shaft; the valve plate II is clamped in a lower valve chute through a screw stem I; the valve plate III is clamped in an upper valve chute through a screw stem II; the large connecting rod I and the large connecting rod II are respectively hinged with a small connecting rod I and a small connecting rod II; the top ends of the small connecting rod I and the small connecting rod II are respectively connected with the screw stem I; and the screw stem I is connected with the screw stem II through a wire rope. The mechanism can realize automatic opening or closing of the valve, and is characterized by strong integration performance, convenient installation, high structural strength, strong adaptability and the like.

Description

Novel switch cabinet valve mechanism

Technical field

The present invention relates to a kind of shutter mechanism of switch cabinet.

Background technology

There is not valve in the cabinet of initial domestic design, and when handcart shook out, one time fixed contact is exposed outside, and was during the maintenance breaker chamber, very dangerous.For maintenance safety, increased the insulation valve in the cabinet design afterwards, but the insulation valve fails the primary conductive part well is closed, the valve that insulate simultaneously only partly separates primary conductive, do not form same current potential with cabinet, make insulating part have electrostatic problem, there is certain danger in human body.

Summary of the invention

For solving the problem of above existence, the invention provides a kind of novel switch cabinet valve mechanism, its technical scheme of taking is:

This mechanism comprises coulisse I and the coulisse II that is separately fixed on switch cabinet body left side wall and the cabinet right side wall, the valve plate I that is located between coulisse I and the coulisse II and arranges from bottom to top successively, valve plate II, valve plate III and valve plate IV, be separately fixed at the pulley I and the pulley II at coulisse I and coulisse II tip position place, connect the bottom of cabinet left side wall and the big connecting rod I that can rotate around steady pin I by steady pin I respectively, and connect the bottom of cabinet right side wall and the big connecting rod II that can rotate around steady pin II by steady pin II, valve plate I and valve plate II Tong Guo Transverse bar I are hinged, valve plate III and valve plate IV Tong Guo Transverse bar II are hinged, the bottom of valve plate I connects the bottom of coulisse I and coulisse II respectively by following curtain shaft, and valve plate I can be around curtain shaft rotation down, the top of valve plate IV connects the top of coulisse I and coulisse II respectively by last curtain shaft, and valve plate IV can rotate around last curtain shaft, the position that is positioned at valve plate III on coulisse I and the coulisse II has the corresponding valve chute of going up, the position that is positioned at valve plate II simultaneously on coulisse I and the coulisse II has corresponding valve chute down, the left and right sides sidewall at valve plate II top is respectively by valve chute under the screw rod I clamping, valve plate II can be moved downward along following valve chute, the left and right sides sidewall of valve plate III bottom is respectively by valve chute in the screw rod II clamping, valve plate II can be moved upward along last valve chute, the top of big connecting rod I and big connecting rod II is hinged with small rod I and small rod II respectively, the top of small rod I and small rod II is connecting screw rod I respectively, and screw rod I is by being overlapped on the steel wire rope connecting screw rod II on pulley I and the pulley II respectively.

By being fixed on the loose-leaf I Tao Jie Transverse bar I above them, valve plate III and valve plate IV are respectively by being fixed on the loose-leaf I socket cross bar II above them simultaneously respectively for valve plate I and valve plate II.

Valve plate II is by being fixed on the loose-leaf II socket screw rod I above it, and valve plate III is by being fixed on the loose-leaf II socket screw rod II above it simultaneously.

In the time of in handcart enters switch cubicle, handcart valve pivot pin by handcart from the weight big connecting rod, the valve chute moves downward under small rod drive valve plate II edge by drawing to make it, and then valve plate II drive valve plate I rotates around following curtain shaft, valve is opened, steel wire rope draws valve plate III to move upward along last valve chute simultaneously, and then door-plate III drive valve plate IV opens valve around the upwards rotation of last curtain shaft.When handcart withdrawed from, valve plate I, valve plate II, valve plate III and valve plate IV all realized counter motion, thereby closed valve automatically.Therefore along with the entering or withdrawing from of handcart, valve is realized opening or closing automatically by valve mechanism.

The beneficial effect that the present invention had is:

1, valve adopts connecting rod to rotate up and down, and integral rigidity is strong, definitely can guarantee the interlock of valve up and down.

2, valve mechanism is fixed on the sidewall of left and right sides cabinet, and its fixed-area is also bigger, makes the connecting rod left-right deviation of valve less, cabinet car quality of fit height.

3, its rotation place adopts cover to pivot; And the place that moves up and down adopts the mode of rotating of overlapping, and about moving along trough roller, its frictional force is less, and valve is up and down easily laborsaving, resets certainly.

4, adopt the ironwork door, not only that primary conductive is partially enclosed, and contact good and ground connection with cabinet, with ground be same current potential, thereby assurance maintainer's safety.

The present invention has that monnolithic case is attractive in appearance, and complete property is strong, be convenient to install, and the structural strength height, characteristics such as adaptability is strong have satisfied switch cubicle " five is anti-" functional requirement.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 for the present invention when the structural representation of handcart during in test position;

Fig. 3 for the present invention when the structural representation of handcart during in the service position.

Embodiment

The present invention will be further described below in conjunction with accompanying drawing:

As shown in Figure 1, coulisse I17 and coulisse II12 are separately fixed on switch cabinet body left side wall 21 and the cabinet right side wall 22, pulley I20 and pulley II15 are separately fixed at the tip position of coulisse I17 and coulisse II12, steady pin I8 and steady pin II1 are separately fixed at the bottom position of switch cabinet body left side wall 21 and cabinet right side wall 22, the bottom of big connecting rod I18 and big connecting rod II2 is socketed in respectively on steady pin I8 and the steady pin II1, valve plate I4, valve plate II7, valve plate III19 and valve plate IV13 are located between coulisse I17 and the coulisse II12 and arrange from bottom to top successively, and wherein valve plate I4 and valve plate I17 form valve down.Valve on valve plate III19 and the valve plate IV13 composition.Valve plate I4 and valve plate I17 are respectively by being fixed on the loose-leaf I5 socket cross bar I6 above them, valve plate III19 and valve plate IV13 are respectively by being fixed on the loose-leaf I5 socket cross bar II27 above them simultaneously, following curtain shaft 20 and last curtain shaft 14 are separately fixed at bottom and the top of coulisse I17 and coulisse II12, and valve plate I4 and valve plate IV13 are separately fixed at curtain shaft 20 and last curtain shaft 14 under the loose-leaf I5 socket above them.The position that is positioned at valve plate III19 on coulisse I17 and the coulisse II12 has the corresponding valve chute 23 of going up, while coulisse I17 and coulisse II12, on be positioned at valve plate II7 the position have corresponding valve chute 24 down, valve plate II7 is by being fixed on the loose-leaf II10 socket screw rod I25 on its top left right side wall, valve plate III19 is by being fixed on the loose-leaf II10 socket screw rod socket screw rod II9 on its bottom, left right side wall, valve chute 24 and last valve chute 23 under the outer end difference clamping of screw rod I25 and screw rod II9 simultaneously.The top of big connecting rod I18 and big connecting rod II2 is hinged small rod I26 and small rod II2 respectively, the top of small rod I26 and small rod II2 is connecting screw rod I25 respectively, be overlapped on the steel wire rope 16 on pulley I20 and the pulley II15 respectively, the one end is by steel wire rope connecting plate connecting screw rod I25, and the other end is by steel wire rope connecting plate connecting screw rod II9.

As shown in Figures 2 and 3, when (handcart is in test position), the handcart valve pivot pin 11 that is fixed on the handcart at first keeps preloading condition with big connecting rod I18 and big connecting rod II2 in handcart enters switch cabinet.When handcart begins when move the service position from test position, handcart valve pivot pin 11 is by the deadweight of handcart, press big connecting rod I18 and big connecting rod II2 that its steady pin I8 and steady pin II1 are rotated, thereby drive small rod I26 simultaneously and small rod II2 moves downward, and then valve chute 24 moves downward under small rod I26 and the small rod II2 drive valve plate II7 edge, spur steel wire rope 16 simultaneously downwards, when moving downward, rotates valve plate II7 around cross bar I6, drive valve plate I4 and rotate, thereby open down valve around following curtain shaft 20; Steel wire rope 16 pulling valve plate III19 move upward along last valve chute 23, and valve plate III19 drives valve plate IV13 and upwards rotates around last curtain shaft 14, thereby open valve simultaneously around cross bar II27 rotation.When handcart withdraws from, make valve plate I4 and valve plate II7 counter motion by handcart valve pivot pin 11, valve plate III19 and valve plate IV13 are by the deadweight counter motion, thus valve about closing automatically.

Claims

1. novel switch cabinet valve mechanism, comprise the chute utmost point I (17) and the coulisse II (12) that are separately fixed on switch cabinet body left side wall (21) and the cabinet right side wall (22), the valve plate I (4) that is located between chute utmost point I (17) and the coulisse II (12) and arranges from bottom to top successively, valve plate II (7), valve plate III (19) and valve plate IV (13), be separately fixed at the pulley I (20) and the pulley II (15) at chute utmost point I (17) and coulisse II (12) tip position place, connect by steady pin I (8) respectively that go up on the bottom of cabinet left side wall (21) can be around the big connecting rod I (18) of steady pin I (8) rotation, and by steady pin II (1) connect cabinet right side wall (22) the bottom and can be around the big connecting rod II (2) that rotates with rationed marketing II (1), it is characterized in that: valve plate I (4) and valve plate II (7) are hinged by cross bar I (6), valve plate III (19) and valve plate IV (13) by cross bar II (27) mutually dumpling connect, the bottom of valve plate I (4) connects the bottom of coulisse I (17) and coulisse II (12) respectively by following curtain shaft (20), and valve plate I (4) can be around curtain shaft (20) rotation down, the top of valve plate IV (13) connects the top of coulisse I (17) and coulisse II (12) respectively by last curtain shaft (14), and valve plate IV (13) can rotate around last curtain shaft (14), the position that is positioned at valve plate III (19) on coulisse I (17) and the coulisse II (12) has the corresponding valve chute (23) of going up, the position that is positioned at valve plate II (7) simultaneously on coulisse I (17) and the coulisse II (12) has corresponding valve chute (24) down, the left and right sides sidewall at valve plate II (7) top is respectively by valve chute (24) under screw rod I (25) clamping, valve plate II (7) can be moved downward along following valve chute (24), the left and right sides sidewall of valve plate III (19) bottom is respectively by valve chute (23) in screw rod II (9) clamping, valve plate II (7) can be moved upward along last valve chute (23), the top of big connecting rod I (18) and big connecting rod II (2) dumpling respectively is connected to small rod I (26) and small rod II (2), the top of small rod I (26) and small rod II (2) is connecting screw rod I (25) respectively, and screw rod I (25) is by being overlapped on steel wire rope (16) the connecting screw rod II (9) on pulley I (20) and the pulley II (15) respectively.

2. novel switch cabinet valve mechanism according to claim 1, it is characterized in that: by being fixed on loose-leaf I (5) the socket cross bar I (6) above them, valve plate III (19) and valve plate IV (13) are respectively by being fixed on loose-leaf I (5) the socket cross bar II (27) above them simultaneously respectively for valve plate I (4) and valve plate II (7).

3. novel switch cabinet valve mechanism according to claim 1, it is characterized in that: valve plate II (7) is by being fixed on loose-leaf II (10) the socket screw rod I (25) above it, and valve plate III (19) is by being fixed on loose-leaf II (10) the socket screw rod II (9) above it simultaneously.