CN203242947U - Rack-and-pinion transmission type knife switch anti-error fastener - Google Patents
Rack-and-pinion transmission type knife switch anti-error fastener Download PDFInfo
- Publication number
- CN203242947U CN203242947U CN 201320210876 CN201320210876U CN203242947U CN 203242947 U CN203242947 U CN 203242947U CN 201320210876 CN201320210876 CN 201320210876 CN 201320210876 U CN201320210876 U CN 201320210876U CN 203242947 U CN203242947 U CN 203242947U
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- motor
- tie point
- sensitive switch
- coaming plate
- rack
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Abstract
The utility model provides a rack-and-pinion transmission type knife switch anti-error fastener, comprising a cabinet body, and a motor and a reduction gearbox thereof, a motor supporting plate, a pinion, a grooved cylinder, a cylindrical toothed bar, a shaft position screw, two microswitches, a microswitch bearer, and an aerial linker. The motor and the two microswitches are electrically connected with the aerial linker. An external power supply device provides a drive power supply for the motor through the aerial linker, and the drive power supply adopts safe voltage. The motor drives the cylindrical toothed bar. The microswitches control the drive power supply for the motor and provide a fastener running state signal to external equipment. The rack-and-pinion transmission type knife switch anti-error fastener is advantaged in that control and operation voltage is the safe voltage DC 12 V, thereby guaranteeing the safety of operation personnel; the safe operation of the fastener can be ensured by providing an alarm signal or a power supply loop breaking signal to an external loop when a rack is jammed; and the fastener is small in size, simple in structure, simple in field installation and wiring, capable of being fixedly mounted on a high-voltage switch cabinet, and convenient for operation and maintenance.
Description
Technical field
The utility model relates to the disconnecting link anti-misoperation locking device of high-tension switch cabinet, particularly a kind of rack-and-pinion driven type disconnecting link anti-misoperation locking device.
Background technology
GG-1A type high-tension switch cabinet is applicable to single busbar connection and the single busbar connection bypath system that power plant, transformer station and electric substation of industrial and mining enterprises rated voltage are 3.6～12kV three-phase alternating current 50Hz, as the usefulness of accepting and distributing electric energy.For reaching " five is anti-" requirement of two propositions, protect operator's life security and equipment normal operation, high-tension switch cabinet must be installed disconnecting link anti-misoperation locking device.
But, existing GG-1A type high-tension switch cabinet, during the product export that has disconnecting link anti-misoperation locking device is not installed, is prevented misoperation and simple padlock is installed in order to reach after dispatching from the factory, then do safety label (or electronic code or paste words identification) at padlock.Because the lockset installation site is variable, so drawing according to the padlock unlock sequence, when closing disconnecting link, may cause mistake to draw, close the disconnecting link phenomenon by mistake.Procedure lock has been installed during the product export that has, each operation needs service routine lock unlock key, then a hand-lifting goes out the program lock pin, the another hand removes the broaching tool lock or closes disconnecting link, draw, close the disconnecting link process of putting in place and need use very large operating physical force, some operating personnel needs bimanualness, and this brings great inconvenience to operating personnel.Therefore, seeking a kind of installation site fixes, mounting means is simple, and operation and maintenance is convenient, and volume little (do not affect after the installation and open other cabinet doors), the disconnecting link anti-misoperation locking device that cost is low are the new important topics that at present safety in production proposes to anti-misoperation locking device designer.
The utility model content
The purpose of this utility model is exactly the defects that will overcome prior art, provides a kind of safe and reliable, and structure and mounting means are simple, and the installation site is fixed, and operation and maintenance is convenient, the rack-and-pinion driven type disconnecting link anti-misoperation locking device that volume is little, cost is low.
For achieving the above object, the rack-and-pinion driven type disconnecting link anti-misoperation locking device that the utility model provides, comprise casing, described casing comprises top cover, plywood, coaming plate and base plate, described plywood is positioned at the place ahead of coaming plate, described plywood is fastened on the inboard of described coaming plate and is fixed together with described coaming plate, described top cover is fastened on the upper end of described plywood and coaming plate, described base plate is fastened on inboard, described coaming plate lower end and is fixedly connected on the described coaming plate, also comprise the motor and the reduction box thereof that are installed in the described casing, motor support plate, gear, the fluting cylinder, the cylindricality tooth bar, axial screw, 2 sensitive switches, sensitive switch bearing and aerial plug-in unit, described motor support plate is fixedly mounted on the described top cover, described motor and reduction box thereof are fixedly mounted on the described motor support plate, described gear is fixedly mounted on the output shaft of described reduction box, described fluting cylinder is installed in the left side of described coaming plate, between the right panel, described fluting cylinder right-hand member is arranged in the coaxial through-hole on the described coaming plate right panel, the top of described fluting cylinder is provided with upper bar shaped hole slot along axis, the below is provided with lower bar shaped hole slot along axis, described cylindricality tooth bar is arranged in described fluting cylinder, be slidingly matched with described fluting cylinder, described cylindricality tooth bar stretches out and intermeshing with described gear from described lower bar shaped hole slot, the two ends of described sensitive switch bearing are fixedly mounted on respectively between the left plate and right panel of described coaming plate, described 2 sensitive switches are fixedly mounted on respectively the left side of described sensitive switch bearing, right two ends, the right-hand member of described cylindricality tooth bar stretches out described casing in described fluting cylinder, described axial screw is fixedly mounted on the left end top of described cylindricality tooth bar, described axial screw stretches out and cooperatively interacts with the shell fragment of described 2 sensitive switches from described upper bar shaped hole slot, described aerial plug-in unit is fixedly mounted on the described base plate, described motor links to each other with described aerial plug-in unit electricity with 2 sensitive switches, and externally fed equipment provides the driving power with DC12V safe voltage by described aerial plug-in unit for described motor.
The utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device, it is the square direct current machine of JSX180-370 that wherein said motor adopts model.
The utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device, the 1st tie point of wherein said aerial plug-in unit is " 12V+ " of release power supply, the 2nd tie point is release power supply " 12V-", the 3rd tie point is locking power supply " 12V+ ", the 4th tie point is locking power supply " 12V-", the 5th tie point provides the release signal that puts in place for ancillary equipment, the 6th tie point provides the locking signal that puts in place for ancillary equipment, the 1st tie point is received the positive pole of described motor through the normally-closed contact of the diode D1 of forward series connection and left sensitive switch, the 3rd tie point is received the negative pole of described motor through the normally-closed contact of the diode D2 of forward series connection and right sensitive switch, the 2nd tie point is connected to the negative pole of described motor, the 4th tie point is connected to the positive pole of described motor, the negative pole of the negative pole of described diode D1 and described diode D2 interconnects, the 5th tie point links to each other with the negative pole of described diode D1 through the normally opened contact of described left sensitive switch, and the 6th tie point links to each other with the negative pole of described diode D1 through the normally opened contact of described right sensitive switch.
The utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device stretches into and is welded on the inboard of the left plate of described coaming plate in the coaxial through-hole of the left end of wherein said fluting cylinder on described coaming plate right panel.
The utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device, the maximum extension elongation of wherein said cylindricality tooth bar is 42 mm.
Advantage and the good effect of the utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device are: because control and working voltage are safe voltage DC12V, fully guaranteed operating personnel's safety.If tooth bar generation bite phenomenon is not pacified actual requirement and is unblocked, can alarm signal be provided or disconnect the current supply circuit signal to the external circuit, treating that the bite phenomenon is removed can the proper solution locking, and alarm release can restore electricity, and has guaranteed the safe operation of dead lock.Because the employing sensitive switch gathers the position signalling of tooth bar and controls the break-make of driving power, the reliability of this dead lock is strengthened, adopt aerial plug-in unit to provide driving power for motor, its volume is little, simple in structure, on-the-spot installation and connection is simple, can be fixedly mounted on high-voltage switch gear cashier's office in a shop, convenient operation and maintenance.Because adopting part is standard component, is convenient to mass production.
Describe the technical scheme of the rack-and-pinion driven type disconnecting link anti-misoperation locking device that the utility model provides in detail below in conjunction with embodiment.
Description of drawings
Fig. 1 is that the master of the utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device looks cutaway view (blocking);
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the winding diagram of motor, sensitive switch and aerial plug-in unit.
Embodiment
Describe the embodiment of the utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device in detail below in conjunction with accompanying drawing.
Referring to figs. 1 through Fig. 3, the rack-and-pinion driven type disconnecting link anti-misoperation locking device that the utility model provides, its casing comprises top cover 1, plywood 11, coaming plate 12 and base plate 10.Plywood 11 is positioned at the place ahead of coaming plate 12, and plywood 11 is fastened on coaming plate 12 inboards and is fixed together by screw.Top cover 1 is fastened on the upper end of plywood 11 and coaming plate 12, and base plate 10 is fastened on inboard, coaming plate 12 lower ends and is fixedly connected on the coaming plate 12 by screw.Motor M and reduction box 2 thereof, motor support plate 13, gear 3, fluting cylinder 5, cylindricality tooth bar 4, axial screw 7, left sensitive switch KM1, right sensitive switch KM2, sensitive switch bearing 8 and aerial plug-in unit 6 are installed in the casing.
Aerial plug-in unit 6 is fixedly mounted on the base plate 10.With reference to Fig. 4, aerial plug-in unit 6 adopts 6 core plug-in units, and externally fed equipment provides driving power by aerial plug-in unit 6 for motor M.Its 1st tie point is release power supply " release 12V+ plug ", the 2nd tie point is release power supply " release 12V-plug ", the 3rd tie point is locking power supply " locking 12V+ plug ", the 4th tie point is locking power supply " locking 12V-plug ", the 5th tie point provides the release signal that puts in place for ancillary equipment, and the 6th tie point provides the locking signal that puts in place for ancillary equipment.
Wherein, the 1st tie point is received the positive pole of motor M through the normally-closed contact KM1-1 of the diode D1 of forward series connection and left sensitive switch KM1, and the 3rd tie point is received the negative pole of motor M through the normally-closed contact KM2-1 of the diode D2 of forward series connection and right sensitive switch KM2.The 2nd tie point is connected to the negative pole of motor M, and the 4th tie point is connected to the positive pole of motor M.The negative pole of the negative pole of diode D1 and diode D2 interconnects, the 5th tie point links to each other with the negative pole of diode D1 through the normally opened contact KM1-2 of left sensitive switch KM1, and the 6th tie point links to each other with the negative pole of diode D1 through the normally opened contact KM2-2 of right sensitive switch KM2.
With reference to Fig. 1 and Fig. 4, the course of work of the utility model rack-and-pinion driven type disconnecting link anti-misoperation locking device is as follows:
When unlocking condition allows, aerial plug-in unit 6 the 1st tie point, the 2nd tie point are connected the release power supply, at this moment, external equipment does not provide power supply for the 3rd tie point, the 4th tie point, motor M is counterclockwise rotated, driven gear 3 counterclockwise rotates, because the engagement of tooth is recovered in the casing tooth bar 4.Tooth bar 4 is in the withdrawal process, and the axle position screw 7 of installing on it can be pressed the shell fragment that contacts left sensitive switch KM1, and the normally closed some KM1-1 of left sensitive switch KM1 disconnects, even the 1st tie point and the 2nd tie point continue power supply, motor M also stops operating.Simultaneously, left sensitive switch KM1 normally opened contact KM1-2 connects, and the 5th tie point output+12V power supply signal is for peripheral hardware provides the released state signal.
When barring condition allows, aerial plug-in unit 6 the 3rd tie point, the 4th tie point are connected the locking power supply, at this moment, external equipment does not provide power supply for the 1st tie point, the 2nd tie point, the motor M clockwise direction rotates, driven gear 3 clockwise directions rotate, because the engagement of tooth reaches outside the casing tooth bar 4.Tooth bar 4 is in the process of stretching out, and the axle position screw 7 of installing on it can be pressed the shell fragment that contacts right sensitive switch KM2, and the normally closed some KM2-1 of right sensitive switch KM2 disconnects, even the 1st tie point and the 2nd tie point continue power supply, motor also can stop operating.Simultaneously, right sensitive switch KM2 normally opened contact KM2-2 connects, and the 6th tie point output+12V power supply signal is for peripheral hardware provides the blocking signal.
Embodiment recited above is described preferred implementation of the present utility model, is not that design of the present utility model and scope are limited.Under the prerequisite that does not break away from the utility model design concept; various modification and improvement that this area ordinary person makes the technical solution of the utility model; all should drop into protection range of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (5)
1. rack-and-pinion driven type disconnecting link anti-misoperation locking device, comprise casing, described casing comprises top cover (1), plywood (11), coaming plate (12) and base plate (10), described plywood (11) is positioned at the place ahead of described coaming plate (12), described plywood (11) is fastened on the inboard of described coaming plate (12) and is fixed together with described coaming plate (12), described top cover (1) is fastened on the upper end of described plywood (11) and coaming plate (12), described base plate (10) is fastened on inboard, described coaming plate (12) lower end and is fixedly connected on the described coaming plate (12), it is characterized in that: also comprise the motor (M) and the reduction box (2) thereof that are installed in the described casing, motor support plate (13), gear (3), fluting cylinder (5), cylindricality tooth bar (4), axial screw (7), 2 sensitive switch (KM1, KM2), sensitive switch bearing (8) and aerial plug-in unit (6), described motor support plate (13) is fixedly mounted on the described top cover (1), described motor (M) and reduction box (2) thereof are fixedly mounted on the described motor support plate (13), described gear (3) is fixedly mounted on the output shaft of described reduction box (2), described fluting cylinder (5) is installed in the left side of described coaming plate (12), between the right panel, described fluting cylinder (5) right-hand member is arranged in the coaxial through-hole on described coaming plate (12) right panel, the top of described fluting cylinder (5) is provided with upper bar shaped hole slot along axis, the below is provided with lower bar shaped hole slot along axis, described cylindricality tooth bar (4) is arranged in described fluting cylinder (5), be slidingly matched with described fluting cylinder (5), described cylindricality tooth bar (4) stretches out and intermeshing with described gear (3) from described lower bar shaped hole slot, the two ends of described sensitive switch bearing (8) are fixedly mounted on respectively between the left plate and right panel of described coaming plate (12), described 2 sensitive switch (KM1, KM2) be fixedly mounted on respectively the left side of described sensitive switch bearing (8), right two ends, the right-hand member of described cylindricality tooth bar (4) stretches out described casing in described fluting cylinder (5), described axial screw (7) is fixedly mounted on the left end top of described cylindricality tooth bar (4), described axial screw (7) from described upper bar shaped hole slot stretch out and with described 2 sensitive switch (KM1, KM2) shell fragment cooperatively interacts, described aerial plug-in unit (6) is fixedly mounted on the described base plate (10), described motor (M) and 2 sensitive switch (KM1, KM2) link to each other with described aerial plug-in unit (6) electricity, externally fed equipment provides the driving power with DC12V safe voltage by described aerial plug-in unit (6) for described motor (M).
2. rack-and-pinion driven type disconnecting link anti-misoperation locking device according to claim 1 is characterized in that: it is the square direct current machine of JSX180-370 that wherein said motor (M) adopts model.
3. rack-and-pinion driven type disconnecting link anti-misoperation locking device according to claim 1 and 2, it is characterized in that: the 1st tie point of wherein said aerial plug-in unit (6) is " the release 12V+ plug " of release power supply, the 2nd tie point is release power supply " release 12V-plug ", the 3rd tie point is locking power supply " locking 12V+ plug ", the 4th tie point is locking power supply " locking 12V-plug ", the 5th tie point provides the release signal that puts in place for ancillary equipment, the 6th tie point provides the locking signal that puts in place for ancillary equipment, the 1st tie point is received the positive pole of described motor (M) through the normally-closed contact (KM1-1) of the diode D1 of forward series connection and left sensitive switch (KM1), the 3rd tie point is received the negative pole of described motor (M) through the normally-closed contact (KM2-1) of the diode D2 of forward series connection and right sensitive switch (KM2), the 2nd tie point is connected to the negative pole of described motor (M), the 4th tie point is connected to the positive pole of described motor (M), the negative pole of the negative pole of described diode D1 and described diode D2 interconnects, the 5th tie point links to each other with the negative pole of described diode D1 through the normally opened contact (KM1-2) of described left sensitive switch (KM1), and the 6th tie point links to each other with the negative pole of described diode D1 through the normally opened contact (KM2-2) of described right sensitive switch (KM2).
4. rack-and-pinion driven type disconnecting link anti-misoperation locking device according to claim 3 is characterized in that: the inboard of stretching into and be welded on the left plate of described coaming plate (12) in the coaxial through-hole of the left end of wherein said fluting cylinder (5) on described coaming plate (12) right panel.
5. rack-and-pinion driven type disconnecting link anti-misoperation locking device according to claim 4, it is characterized in that: the maximum extension elongation of wherein said cylindricality tooth bar (4) is 42mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210876 CN203242947U (en) | 2013-04-24 | 2013-04-24 | Rack-and-pinion transmission type knife switch anti-error fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210876 CN203242947U (en) | 2013-04-24 | 2013-04-24 | Rack-and-pinion transmission type knife switch anti-error fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242947U true CN203242947U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320210876 Expired - Fee Related CN203242947U (en) | 2013-04-24 | 2013-04-24 | Rack-and-pinion transmission type knife switch anti-error fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758830A (en) * | 2013-12-31 | 2014-04-30 | 中船重工中南装备有限责任公司 | Manual automatic integrated locking and unlocking mechanism |
-
2013
- 2013-04-24 CN CN 201320210876 patent/CN203242947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758830A (en) * | 2013-12-31 | 2014-04-30 | 中船重工中南装备有限责任公司 | Manual automatic integrated locking and unlocking mechanism |
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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: 20131016 Termination date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |