CN201887357U - Handcart switching device for switch cabinet - Google Patents
Handcart switching device for switch cabinet Download PDFInfo
- Publication number
- CN201887357U CN201887357U CN2010205925595U CN201020592559U CN201887357U CN 201887357 U CN201887357 U CN 201887357U CN 2010205925595 U CN2010205925595 U CN 2010205925595U CN 201020592559 U CN201020592559 U CN 201020592559U CN 201887357 U CN201887357 U CN 201887357U
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- CN
- China
- Prior art keywords
- handcart
- connecting lever
- cover plate
- interlock
- lever
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- Expired - Fee Related
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Abstract
The utility model discloses a handcart switching device for a switch cabinet. The handcart switching device comprises a handcart, a high and medium-voltage circuit breaker and a braking mechanism, wherein the high and medium-voltage circuit breaker is arranged on the handcart; the handcart is provided with an operation hole and a screw rod which is positioned in the operation hole; during rotating, the screw rod can drive the circuit breaker to move forwards and backwards; the handcart is further provided with a cover plate for covering the operation hole; the braking mechanism limits the cover plate at a position where the operation hole is blocked during a switch-on action and comprises a driving rod of which one end is arranged on a driving crank arm, a crank arm component of which one end is arranged on the cover plate and a linked rod piece for connecting the driving rod with the crank arm component; and the driving crank arm directly drives the cover plate to block or expose the operation hole through the braking mechanism. Once the circuit breaker is in a switch-on state, the cover plate is limited at the position where the operation hole is blocked through the braking mechanism, so that an operating rod cannot be inserted into the operation hole, a faulty action is effectively avoided, and the high safety performance is achieved.
Description
Technical field
The utility model belongs to the switch cubicle technical field, is specifically related to a kind of handcart-type switch device that is used for switch cubicle that is used for switch cubicle.
Background technology
The high pressure switchgear mainly by cabinet, be installed in main bus bar in the cabinet, circuit breaker cart, instrument transformer, earthed switch, high-tension cable and constitute with parts such as tables, circuit breaker cart bottom in the cabinet is provided with propulsive mechanism, the manual operation handcart advancing mechanism closes a floodgate from the experiment position circuit breaker cart after being pushed into the service position, or behind the separating brake circuit breaker cart is retracted into the experiment position from the service position.For preventing the circuit breaker misoperation, according to the electric industry safety regulation for operations, existing propulsive mechanism all is provided with interlock, but not to be taken measures in the operating side of pushing mechanism screw mandrel, so the operator still can be inserted into handle the operating side of pushing golden snag bar and operate by force, the "on" position circuit breaker that for example will be in the service position is removed by force, and is light then cause the damage of components of switchgear, heavy then influence the normal operation and the personal safety of equipment.
The utility model content
The purpose of this utility model provides a kind of safe and reliable, handcart-type switch device that is used for switch cubicle that misoperation can not take place.
The technical scheme that realizes the utility model purpose is: a kind of handcart-type switch device that is used for switch cubicle, comprise handcart and the high pressure circuit breaker that places on the handcart, and described handcart is provided with handle hole and is arranged in the screw mandrel of handle hole; Described screw mandrel can drive circuit breaker and move forward and backward when rotating; Described circuit breaker comprises main shaft, drive connecting lever, be provided with the magneto driver of drive rod, and described drive rod drives main shaft and rotates by driving connecting lever; Also be provided with the cover plate that is used to hide described handle hole on the described handcart; When also being included in feed motion, this switching device blocking the locational brake mechanism of handle hole with cover plate is spacing; Described brake mechanism comprises that an end is arranged on driving lever, the end setting connecting lever assembly on the cover board and the interlock rod member that is used to be connected described driving lever and connecting lever assembly that drives on the connecting lever; Described driving connecting lever directly drives the cover plate shutoff or exposes described handle hole by brake mechanism.
In the such scheme, described driving connecting lever drives driving lever and reciprocatingly moves along the plumb line direction, and described driving lever drives the interlock rod member and rotates within the specific limits, and described interlock rod member directly drives the cover plate capping or exposes handle hole by the connecting lever assembly.
In the such scheme, described connecting lever assembly comprise be used for an end fixing on the cover board first connecting lever, second connecting lever that is rotationally connected with the first connecting lever other end, be used for second connecting lever rotated and be arranged on the rotating shaft on the handcart and be arranged on interlock plate in the rotating shaft; One end and the interlock plate of described interlock rod member are rotationally connected, and the other end and driving lever are rotationally connected, and middle-end is rotated and is arranged on the handcart; Described driving lever drives described interlock plate by the interlock rod member and rotating shaft is rotated, and described rotating shaft drives the cover plate capping or exposes handle hole by second connecting lever and first connecting lever.
In the such scheme, along continuous straight runs is provided with the interlock bearing pin on the described driving connecting lever, and described handcart is provided with the guide sleeve that is used to guide the driving lever direction of action; Described driving lever is provided with along the plumb line direction, and its upper end is rotationally connected with the interlock bearing pin, and its lower end is arranged in described guide sleeve, and described driving lever can move up and down along guide sleeve under the drive of interlock bearing pin.
The utlity model has positive effect: in (1) the utility model, also be provided with on the described handcart and be used to hide the cover plate of described handle hole and when feed motion, blocking the locational brake mechanism of handle hole with cover plate is spacing.No matter when circuit breaker in test position during still in the service position, as long as circuit breaker is in "on" position, will block on the position of handle hole cover plate is spacing by brake mechanism, thereby make action bars can not be inserted in the handle hole, naturally also just can not generation will be in the misoperation that the "on" position circuit breaker of service position is removed by force, so the utlity model has good security performance.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Reference numeral is: handcart 1, handle hole 11, screw mandrel 12, circuit breaker 2, main shaft 21 drives connecting lever 22, magneto driver 23, drive rod 231, forced section 2311, cover plate 3, brake mechanism 4, driving lever 41, connecting lever assembly 43, the first connecting levers 431, second connecting lever 432, rotating shaft 433, interlock plate 434, interlock rod member 44, interlock bearing pin 45, guide sleeve 46.
Embodiment
(embodiment 1)
Fig. 1 is a kind of structural representation of the present utility model, has shown a kind of embodiment of the present utility model.
Present embodiment is a kind of handcart-type switch device that is used for switch cubicle that is used for switch cubicle, substantially the same manner as Example 1, see Fig. 1, comprise handcart 1, place the high pressure circuit breaker 2 on the handcart 1 and when feed motion, blocking handle hole 11 locational brake mechanisms 4 with cover plate 3 is spacing.
Described handcart 1 is provided with handle hole 11, be arranged in the screw mandrel 12 of handle hole 11 and be used to hide the cover plate 3 of described handle hole 11; Described screw mandrel 12 can drive circuit breaker 2 and move forward and backward when rotating.
Described circuit breaker 2 comprises horizontally disposed main shaft 21, driving connecting lever 22, is provided with the magneto driver 23 of drive rod 231; Described drive rod 231 is provided with along the plumb line direction, and drives main shaft 21 rotations by driving connecting lever 22.
Described brake mechanism 4 comprises that an end is arranged on the driving lever 41, the end that drive on the connecting lever 22 and is arranged on connecting lever assembly 43 and the interlock rod member 44 that is used to be connected described driving lever 41 and connecting lever assembly 43 on the cover plate 3; Described driving connecting lever 22 directly drives cover plate 3 shutoff or exposes described handle hole 11 by brake mechanism 4.
Along continuous straight runs is provided with interlock bearing pin 45 on the described driving connecting lever 22, and described handcart 1 is provided with the guide sleeve 46 that is used to guide driving lever 41 direction of action; Described driving lever 41 is provided with along the plumb line direction, and its upper end is rotationally connected with interlock bearing pin 45, and its lower end is arranged in described guide sleeve 46, and described driving lever 41 can move up and down along guide sleeve 46 under the drive of interlock bearing pin 45.
Described connecting lever assembly 43 comprises second connecting lever 432 that is used for an end and is fixed on first connecting lever 431 on the cover plate 3, is rotationally connected with first connecting lever, 431 other ends, be used for second connecting lever 432 rotated and be arranged on the rotating shaft 433 on the handcart 1 and be arranged on interlock plate 434 in the rotating shaft 433; One end and the interlock plate 434 of described interlock rod member 44 are rotationally connected, and the other end and driving lever 41 are rotationally connected; Described driving lever 41 drives described interlock plate 434 by interlock rod member 44 and rotating shaft 433 is rotated, and described rotating shaft 433 drives cover plate 3 cappings or exposes handle hole 11 by second connecting lever 432 and first connecting lever 431.
Described driving connecting lever 22 drives driving lever 41 and reciprocatingly moves along the plumb line direction, and described driving lever 41 drives interlock rod member 44 and rotates within the specific limits, and described interlock rod member 44 directly drives cover plate 3 cappings or exposes handle hole 11 by connecting lever assembly 43.
In the present embodiment, when circuit breaker 2 when gate-dividing state is transformed into "on" position, described interlock bearing pin 45 will move down certain distance, driving driving lever 41 simultaneously moves down, driving lever 41 is when moving down, driving interlock rod member 44 again turns an angle, also can make the end away from driving lever 41 of described interlock rod member 44 move up, thereby directly drive cover plate 3 by connecting lever assembly 43 and move to the position that blocks handle hole 11, can't be inserted into action bars rotary screw rod 12 in the handle hole 11 this moment, thereby effectively avoid taking place misoperation.
When circuit breaker 2 when "on" position is transformed into gate-dividing state, described interlock bearing pin 45 certain distance that will move up, driving driving lever 41 simultaneously moves up, driving lever 41 is when last moving, driving 44 answers of interlock rod member again turns an angle, also can make the end away from driving lever 41 of described interlock rod member 44 move down, move to the position of exposing handle hole 11 thereby directly drive cover plate 3 by connecting lever assembly 43, can be inserted into action bars rotary screw rod 12 in the handle hole 11 this moment.
Present embodiment no matter when circuit breaker in test position during still in the service position, as long as circuit breaker is in "on" position, will be cover plate 3 is spacing on the position that blocks handle hole 11 by brake mechanism, thereby make action bars can not be inserted in the handle hole, naturally also just can not generation will be in the misoperation that the "on" position circuit breaker of service position is removed by force, so the utlity model has good security performance.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (4)
1. handcart-type switch device that is used for switch cubicle comprises handcart (1) and places high pressure circuit breaker (2) on the handcart (1) that described handcart (1) is provided with handle hole (11) and is arranged in the screw mandrel (12) of handle hole (11); Described screw mandrel (12) can drive circuit breaker (2) and move forward and backward when rotating; Described circuit breaker (2) comprises main shaft (21), driving connecting lever (22), is provided with the magneto driver (23) of drive rod (231), and described drive rod (231) drives main shaft (21) rotation by driving connecting lever (22);
It is characterized in that: also be provided with the cover plate (3) that is used to hide described handle hole (11) on the described handcart (1); When also being included in feed motion, this switching device blocking the locational brake mechanism of handle hole (11) (4) with cover plate (3) is spacing; Described brake mechanism (4) comprises that an end is arranged on the driving lever (41), the end that drive on the connecting lever (22) and is arranged on connecting lever assembly (43) and the interlock rod member (44) that is used to be connected described driving lever (41) and connecting lever assembly (43) on the cover plate (3); Described driving connecting lever (22) directly drives cover plate (3) shutoff or exposes described handle hole (11) by brake mechanism (4).
2. the handcart-type switch device that is used for switch cubicle according to claim 1, it is characterized in that: described driving connecting lever (22) drives driving lever (41) and reciprocatingly moves along the plumb line direction, described driving lever (41) drives interlock rod member (44) and rotates within the specific limits, and described interlock rod member (44) directly drives cover plate (3) capping or exposes handle hole (11) by connecting lever assembly (43).
3. the handcart-type switch device that is used for switch cubicle according to claim 2 is characterized in that: described connecting lever assembly (43) comprises second connecting lever (432) that is used for an end and is fixed on first connecting lever (431) on the cover plate (3), is rotationally connected with first connecting lever (431) other end, be used for second connecting lever (432) rotated and be arranged on the rotating shaft (433) on the handcart (1) and be arranged on interlock plate (434) in the rotating shaft (433); One end of described interlock rod member (44) and interlock plate (434) are rotationally connected, and the other end and driving lever (41) are rotationally connected, and middle-end is rotated and is arranged on the handcart (1); Described driving lever (41) drives described interlock plate (434) by interlock rod member (44) and rotating shaft (433) is rotated, and described rotating shaft (433) drives cover plate (3) capping or exposes handle hole (11) by second connecting lever (432) and first connecting lever (431).
4. the handcart-type switch device that is used for switch cubicle according to claim 3, it is characterized in that: described driving connecting lever (22) is gone up along continuous straight runs and is provided with interlock bearing pin (45), and described handcart (1) is provided with the guide sleeve (46) that is used to guide driving lever (41) direction of action; Described driving lever (41) is provided with along the plumb line direction, and its upper end is rotationally connected with interlock bearing pin (45), and its lower end is arranged in described guide sleeve (46), and described driving lever (41) can move up and down along guide sleeve (46) under the drive of interlock bearing pin (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205925595U CN201887357U (en) | 2010-11-05 | 2010-11-05 | Handcart switching device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205925595U CN201887357U (en) | 2010-11-05 | 2010-11-05 | Handcart switching device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887357U true CN201887357U (en) | 2011-06-29 |
Family
ID=44184903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205925595U Expired - Fee Related CN201887357U (en) | 2010-11-05 | 2010-11-05 | Handcart switching device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953261A (en) * | 2016-11-30 | 2017-07-14 | 胡妍 | A kind of handcart switching device for switch cubicle |
| CN107046249A (en) * | 2016-11-30 | 2017-08-15 | 胡妍 | A kind of handcart switching device for switch cubicle |
-
2010
- 2010-11-05 CN CN2010205925595U patent/CN201887357U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953261A (en) * | 2016-11-30 | 2017-07-14 | 胡妍 | A kind of handcart switching device for switch cubicle |
| CN107046249A (en) * | 2016-11-30 | 2017-08-15 | 胡妍 | A kind of handcart switching device for switch cubicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20141105 |
|
| EXPY | Termination of patent right or utility model |