CN108539648B - Interlocking mechanism for high-voltage switch cabinet - Google Patents
Interlocking mechanism for high-voltage switch cabinet Download PDFInfo
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- CN108539648B CN108539648B CN201810327720.7A CN201810327720A CN108539648B CN 108539648 B CN108539648 B CN 108539648B CN 201810327720 A CN201810327720 A CN 201810327720A CN 108539648 B CN108539648 B CN 108539648B
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- block
- switch cabinet
- voltage switch
- spring
- high voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
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Abstract
The invention discloses an interlocking mechanism for a high-voltage switch cabinet, which comprises an installation block, a sliding block, a connecting rod, a rear limiting mechanism, a front limiting mechanism and a trigger mechanism, wherein the installation block is provided with a sliding groove, the sliding groove is connected with the sliding block in a sliding manner, the sliding block is movably connected with the connecting rod, and the installation block is also provided with the rear limiting mechanism, the front limiting mechanism and the trigger mechanism. The safety problem caused by misoperation is avoided, other operations are not needed, the operation is simple, convenient and quick, the operation can be realized only by matching with normal door opening and closing actions, the linkage is strong, a pure mechanical structure is adopted, the cost of all structural parts is low, and cost problems caused by using a program lock are avoided.
Description
Technical Field
The invention belongs to the technical field of high-voltage electrical equipment, and particularly relates to an interlocking mechanism for a high-voltage switch cabinet.
Background
In high-voltage switchgear assemblies, to prevent incorrect operation and incorrect access to live intervals, a program lock is usually used to change different keys to achieve this safety interlock. In order to prevent an operator from accidentally charging the switch cabinet, the front and rear doors of the switch cabinet must be closed and opened according to a predetermined procedure. When the door is closed, the rear door of the switch cabinet is closed firstly, and then the front door of the switch cabinet is closed; when the door is opened, the operation is carried out according to the reverse operation sequence. However, the program lock is troublesome to operate and slow to unlock, so that many substations are unwilling to adopt, mechanical simple five-prevention interlocking is generally adopted at present, but the mechanism cannot be directly interlocked with a protective door behind a cabinet, and the rear protective door can only be prevented from being mistakenly inserted by hanging a lock. However, the operator and the maintenance personnel are likely to miss the adjacent electrified cabinet due to the staggered back door, so that personal and equipment accidents are caused, the process of unlocking is troublesome, the key is well maintained, and the uncontrollable factors are large.
Disclosure of Invention
The invention aims to provide an interlocking mechanism for a high-voltage switch cabinet, and in order to achieve the aim, the invention provides the following technical scheme:
the utility model provides an interlocking device for high tension switchgear, is including installation piece, slider, connecting rod, back stop gear, preceding stop gear and trigger mechanism, the spout has been seted up to the installation piece, sliding connection has in the spout the slider, movable connection has on the slider the connecting rod, still be equipped with on the installation piece back stop gear, preceding stop gear and trigger mechanism.
Furthermore, the rear limiting mechanism comprises a guide rod, a transverse plate, a convex block, a first stop block and a first spring, a cavity is arranged at one side in the mounting block and is positioned at one side of the trigger mechanism, the guide rod is arranged in the cavity, the transverse plate is provided with a guide hole and sleeved on the guide rod through the guide hole, the convex block and the first stop block are respectively arranged at two sides of the transverse plate, the convex block is positioned at one side close to the trigger mechanism, one end of the convex block and one end of the first stop block penetrate through the cavity and are positioned in the sliding groove, the sliding block is positioned between the convex block and the first stop block, the initial position of the sliding block is in contact with the first stop block, the first spring is respectively wound on the convex block and the first stop block, one end of the first spring is connected with the transverse plate, and the other end of the first spring is connected with the inner wall of the cavity.
Furthermore, preceding stop gear is including telescopic link, second dog, second spring, act as go-between and fixed pulley, one side of installation piece is equipped with the telescopic link, telescopic link one end is connected with the second dog, the second dog with be connected with between the installation piece the second spring, the opposite side of installation piece is equipped with two the fixed pulley, the slider is close to the one end of fixed pulley is connected with act as go-between, act as go-between walk around the fixed pulley with the second dog is connected.
Further, trigger mechanism is including L shape dead lever, J-shaped swinging arms, briquetting, fixed plate and third spring, fixedly connected with on the installation piece L shape dead lever, rotate on the L shape dead lever and be connected with the J-shaped swinging arms, the J-shaped swinging arms is close to the articulated one end that is connected with of installation piece is connected with the briquetting, the briquetting is located in the spout, spout one side be equipped with on the installation piece the fixed plate, the fixed plate with be connected with the third spring between the J-shaped swinging arms.
Furthermore, the sliding block is connected with the connecting rod through a pin shaft to realize movable connection.
Further, the bump is composed of a protruding portion and a connecting portion.
Further, the protruding part is arc-shaped.
Further, the stay wire is a steel wire rope.
Further, the second stop block is a rubber block.
Furthermore, the cross section of the L-shaped fixing rod is circular.
The invention avoids the safety problem caused by misoperation, does not need other operations, is simple, convenient and quick, can be realized by only matching with normal door opening and closing actions, has strong linkage, adopts a pure mechanical structure, has low cost of all structural parts, avoids cost problems caused by using a program lock, is very convenient to maintain, consumes less time for assembly, and greatly saves manpower and material resources. The steel wire rope can further improve the service life in a tight state, the telescopic rod improves the stability of the second stop block in the motion process, the rubber block can play a role in protection and buffering on the premise of playing a limiting role, and the noise generated by misoperation of quickly closing the front door of the switch cabinet and the damage to equipment caused by the noise are reduced.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic front view of the rear limiting mechanism of the present invention.
Fig. 3 is a schematic front view of the front limiting mechanism of the present invention.
Fig. 4 is a schematic front view of the trigger mechanism of the present invention.
Fig. 5 is a partial right-view structural schematic diagram of the trigger mechanism of the present invention.
Fig. 6 is a first operation diagram of the present invention.
Fig. 7 is a schematic diagram of a second operation of the present invention.
The labels in the figures are: 1-mounting block, 2-sliding chute, 3-sliding block, 4-connecting rod, 5-rear limiting mechanism, 51-cavity, 52-guide rod, 53-transverse plate, 54-guide hole, 55-convex block, 56-first stop block, 57-first spring, 6-front limiting mechanism, 61-telescopic rod, 62-second stop block, 63-second spring, 64-stay wire, 65-fixed pulley, 7-trigger mechanism, 71-L-shaped fixed rod, 72-J-shaped swinging rod, 73-pressing block, 74-fixed plate and 75-third spring.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-7, an interlocking mechanism for a high-voltage switch cabinet comprises an installation block 1, a slider 3, a connecting rod 4, a rear limiting mechanism 5, a front limiting mechanism 6 and a trigger mechanism 7, wherein the top of the installation block 1 is provided with a chute 2, the slider 3 is connected in the chute 2 in a sliding manner, the top of the slider 3 is movably connected with the connecting rod 4, the slider 3 is connected with the connecting rod 4 through a pin shaft to realize movable connection, and the installation block 1 is further provided with the rear limiting mechanism 5, the front limiting mechanism 6 and the trigger mechanism 7.
In this embodiment, the rear limiting mechanism 5 includes a guide rod 52, a transverse plate 53, a protrusion 55, a first stopper 56 and a first spring 57, the cavity 51 is disposed on the right side in the mounting block 1, the cavity 51 is located on the left side of the triggering mechanism 7, the guide rod 52 is disposed in the middle of the cavity 51, a guide hole 54 is disposed in the middle of the transverse plate 53, the transverse plate 53 is sleeved on the guide rod 52 through the guide hole 54, the protrusion 55 and the first stopper 56 are disposed on the left and right sides of the top of the transverse plate 53, the protrusion 55 is located on the right side of the first stopper 56, the top ends of the protrusion 55 and the first stopper 56 both pass through the cavity 51 and are located in the chute 2, the protrusion 55 is composed of a protruding portion and a connecting portion, the protruding portion is arc-shaped, the slider 3 is located between the protrusion 55 and the first stopper 56, the initial position of the slider 3 is in contact with the first stopper 56, the first, the top end is connected to the inner wall of the cavity 51.
In this embodiment, front limiting mechanism 6 includes telescopic link 61, second dog 62, second spring 63, act as go-between 64 and fixed pulley 65, the right side lower part of installation piece 1 is equipped with telescopic link 61, telescopic link 61 right-hand member is connected with second dog 62, be connected with second spring 63 between second dog 62 and the installation piece 1, second dog 62 is the block rubber, the left side of installation piece 1 is equipped with two fixed pulley 65, slider 3 left end is connected with act as go-between 64, act as go-between 64 is walked around fixed pulley 65 and is connected with second dog 62, act as go-between 64 is wire rope.
In this embodiment, the triggering mechanism 7 includes an L-shaped fixing rod 71, a J-shaped swing rod 72, a pressing block 73, a fixing plate 74 and a third spring 75, the L-shaped fixing rod 71 is fixedly connected to the rear side of the top of the mounting block 1, the cross section of the L-shaped fixing rod 71 is circular, the front end of the L-shaped fixing rod 71 is rotatably connected to the J-shaped swing rod 72, the pressing block 73 is hinged to the bottom end of the J-shaped swing rod 72, the pressing block 73 is located in the sliding chute 2, the fixing plate 74 is arranged at the top of the mounting block 1 on the right side of the sliding chute 2, and the third spring 75.
The interlocking mechanism for the high-voltage switch cabinet has the following specific operation process:
the interlocking mechanism is arranged on the inner wall of the high-voltage switch cabinet, the trigger mechanism 7 is matched with the front door of the switch cabinet, and the connecting rod 4 is connected with the rear door of the switch cabinet. The second spring 63 and the third spring 75 are both in a compressed state in an initial state. When opening the qianmen, lose the restriction of cubical switchboard qianmen mechanism, the extension of third spring 75, on the one hand, drive J-shaped swinging arms 72 lower part swing left, and then drive briquetting 73 and move left, push down lug 55, and then drive diaphragm 53 downstream for first dog 56 downstream is received in cavity 51, first spring 57 extension, guiding hole 54 plays the guide effect, avoid diaphragm 53 to take place the skew and lead to first dog 56 and lug 55 can not reset, on the other hand, drive J-shaped swinging arms 72 upper portion swing right. So, only open the high tension switchgear qianmen, trigger mechanism 7 just operates, triggers back stop gear 5 and operates for in first dog 56 withdrawed cavity 51, lose first dog 56 to slider 3 block spacing back, the high tension switchgear back door just can open. The in-process that the high tension switchgear back door was opened, drives slider 3 through connecting rod 4 and slides left, and second spring 63 extends, drives second dog 62 and moves right, and then drives the extension of telescopic link 61, and this process is acted as go-between 64 and is in the state of tightening always, so, the back is opened to the high tension switchgear back door, and second dog 62 moves right and plays the restriction effect to the high tension switchgear qianmen for the high tension switchgear qianmen can't close. In the closing process of the rear door of the high-voltage switch cabinet, the connecting rod 4 drives the sliding block 3 to slide rightwards for resetting, the pull wire 64 drives the second stop block 62 to move leftwards for resetting, the second spring 63 contracts for resetting, the telescopic rod 61 contracts for resetting, and only when the rear door of the high-voltage switch cabinet is closed for resetting, and the front door of the high-voltage switch cabinet can be closed after the second stop block 62 resets. After the in-process contacts J-shaped swinging arm 72 is closed to the high tension switchgear qianmen, promote J-shaped swinging arm 72 upper portion swing left and reset, and then drive J-shaped swinging arm 72 lower part swing right and reset, make briquetting 73 move right and reset, lug 55 loses the restriction of briquetting 73, under the spring action of first spring 57, first spring 57 drives diaphragm 53 upward movement, and then drive first dog 56 and lug 55 upward movement and reset, first dog 56 plays limiting displacement to slider 3, make slider 3 can not move left, and then make the cubical switchboard back door unable to open. The sequence is opened through this interlocking structure's safe cabinet door that realizes high tension switchgear conveniently, make only the high tension switchgear qianmen open the back and just can open the high tension switchgear back door, only close the high tension switchgear back door and just can open the high tension switchgear front door, the security problem of avoiding the maloperation and leading to, and need not other operations, it is simple and convenient swift, as long as cooperate normal switch door action can realize, adopt pure mechanical structure, all structural component are with low costs, avoid some cost problems because of use procedure lock brings, it is also very convenient to maintain, the time that the assembly consumes is few, the material resources of using manpower sparingly greatly.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides an interlocking device for high tension switchgear which characterized in that: the mounting block is provided with a sliding groove, the sliding groove is connected with the sliding block in a sliding manner, the sliding block is movably connected with the connecting rod, the mounting block is also provided with the rear limiting mechanism, the front limiting mechanism and the trigger mechanism, the rear limiting mechanism comprises a guide rod, a transverse plate, a convex block, a first stop block and a first spring, one side in the mounting block is provided with a cavity, the cavity is positioned on one side of the trigger mechanism, the guide rod is arranged in the cavity, the transverse plate is provided with a guide hole, the transverse plate is sleeved on the guide rod through the guide hole, the convex block and the first stop block are respectively arranged on two sides of the transverse plate, the convex block is positioned on one side close to the trigger mechanism, and one end of the convex block and one end of the first stop block penetrate through the cavity and are positioned in the sliding groove, the slider is located between lug and the first dog, slider initial position with first dog contact, first spring is around locating respectively on lug and the first dog and one end with the diaphragm is connected, and the other end is connected the cavity inner wall.
2. The interlock mechanism for a high voltage switch cabinet according to claim 1, wherein: the front limiting mechanism comprises a telescopic rod, a second stop block, a second spring, a pull wire and fixed pulleys, wherein the telescopic rod is arranged on one side of the installation block, one end of the telescopic rod is connected with the second stop block, the second stop block is connected with the second spring between the installation block, the fixed pulleys are arranged on the other side of the installation block, the sliding block is close to one end of each fixed pulley, the pull wire is connected with one end of each fixed pulley, and the pull wire bypasses the fixed pulleys and is connected with the second stop block.
3. The interlock mechanism for a high voltage switch cabinet according to claim 1, wherein: trigger mechanism is including L shape dead lever, J-shaped swinging arms, briquetting, fixed plate and third spring, fixedly connected with on the installation piece L shape dead lever, it is connected with to rotate on the L shape dead lever J-shaped swinging arms, J-shaped swinging arms is close to the articulated one end of installation piece is connected with the briquetting, the briquetting is located in the spout, spout one side be equipped with on the installation piece the fixed plate, the fixed plate with be connected with the third spring between the J-shaped swinging arms.
4. The interlock mechanism for a high voltage switch cabinet according to claim 1, wherein: the sliding block is connected with the connecting rod through a pin shaft to realize movable connection.
5. The interlock mechanism for a high voltage switch cabinet according to claim 1, wherein: the bump is composed of a protruding part and a connecting part.
6. The interlock mechanism for a high voltage switch cabinet according to claim 5, wherein: the protruding part is arc-shaped.
7. The interlock mechanism for a high voltage switch cabinet according to claim 2, wherein: the stay wire is a steel wire rope.
8. The interlock mechanism for a high voltage switch cabinet according to claim 2, wherein: the second stop block is a rubber block.
9. The interlock mechanism for a high voltage switch cabinet according to claim 3, wherein: the cross section of the L-shaped fixing rod is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327720.7A CN108539648B (en) | 2018-04-12 | 2018-04-12 | Interlocking mechanism for high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327720.7A CN108539648B (en) | 2018-04-12 | 2018-04-12 | Interlocking mechanism for high-voltage switch cabinet |
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| Publication Number | Publication Date |
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| CN108539648A CN108539648A (en) | 2018-09-14 |
| CN108539648B true CN108539648B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810327720.7A Active CN108539648B (en) | 2018-04-12 | 2018-04-12 | Interlocking mechanism for high-voltage switch cabinet |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491448B (en) * | 2018-11-01 | 2020-05-05 | 王策勋 | Electric automatization control cabinet |
| CN110807999A (en) * | 2019-11-12 | 2020-02-18 | 饶杨扬 | Intelligent lamp box based on safety exit indicator lamp and fire fighting system thereof |
| CN111729101A (en) * | 2020-06-30 | 2020-10-02 | 广州市莱帝亚照明股份有限公司 | Key ultraviolet sterilization system and working method |
| CN112234457B (en) * | 2020-10-26 | 2022-06-14 | 滁州市朝友精密制造有限公司 | Low-voltage power distribution cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424500A (en) * | 1994-04-08 | 1995-06-13 | Electro-Mechanical Corporation | Door-mounted operating mechanism for electrical switchgear |
| CN204720802U (en) * | 2015-05-11 | 2015-10-21 | 维龙（镇江）电工研究院有限公司 | Switch cubicle front/rear door mechanical interlocks |
| CN205016419U (en) * | 2015-10-29 | 2016-02-03 | 福建中网电气有限公司 | Interlocking device |
| CN205231532U (en) * | 2015-12-25 | 2016-05-11 | 四川朋昌电力设备有限公司 | Can prevent dead improvement mechanism of cubical switchboard badge |
| CN205509288U (en) * | 2016-04-12 | 2016-08-24 | 四川喜来宝电器有限公司 | Be used for cubical switchboard front and back door interlock |
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| CN108539648A (en) | 2018-09-14 |
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