CN102208768B - Driving device for draw-out switching apparatus and draw-out switching apparatus - Google Patents
Driving device for draw-out switching apparatus and draw-out switching apparatus Download PDFInfo
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- CN102208768B CN102208768B CN 201110051350 CN201110051350A CN102208768B CN 102208768 B CN102208768 B CN 102208768B CN 201110051350 CN201110051350 CN 201110051350 CN 201110051350 A CN201110051350 A CN 201110051350A CN 102208768 B CN102208768 B CN 102208768B
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- transmission mechanism
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Abstract
The invention relates to a driving device for a draw-out switching apparatus. The driving device comprises a guide mechanism, a transmission mechanism fixed in a body frame and connected with a switch body, and the driving device connected with the transmission mechanism. The transmission mechanism can convert own rotation into the movement of the switch body. The driving device drives the transmission mechanism, and drives the switch body to be drawn out of the body frame or plugged into the body frame along the guide mechanism. The driving device adopts the driving device to drive the transmission mechanism, thereby driving the switch body to slide out of the body frame along the guide mechanism, and can reliably, stably and conveniently realize the drawing-out and plugging operations of the switch body with a relatively larger volume and a relatively higher weight.
Description
Technical field
The present invention relates to a kind of draw out switchgear electrical equipment, more particularly, relate to a kind of drive unit for Switch main body is extracted out or inserted in main body frame.
Background technology
Application number is 200810198282.5, the automatic change-over of a kind of pull-out type band bypass was disclosed for the Chinese patent application of 2009.1.21 in open day, its Switch main body can slide in main body frame, therefore, when needing repairing or change, Switch main body can easily above-mentioned Switch main body be pulled out in main body frame.But when the volume and weight of Switch main body itself is larger, extracts Switch main body out and will extremely require great effort.
Summary of the invention
The technical problem to be solved in the present invention is, extracts the defective of requiring great effort for the above-mentioned large volume Switch main body of prior art out in main body frame, and a kind of drive unit and draw out switchgear electrical equipment of draw out switchgear electrical equipment is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of drive unit of draw out switchgear electrical equipment, comprise guiding mechanism, be fixed in described main body frame and the transmission mechanism that is connected with described Switch main body and the drive unit that is connected with described transmission mechanism; Described transmission mechanism can be converted into the rotation of self movement of Switch main body.
Described drive unit drives described transmission mechanism, drives described Switch main body and skids off or insert in described main body frame along described guiding mechanism.
In the drive unit of draw out switchgear electrical equipment of the present invention, described transmission mechanism comprises Left Drive mechanism and right transmission mechanism, and described Left Drive mechanism and described right transmission mechanism are symmetricly set on the internal face of described main body frame.
Described Left Drive mechanism be connected shift fork that transmission mechanism includes the swing arm that is rotatably mounted on described main body frame, is connected by camshaft bearing with described swing arm, coaxial hard-wired to turning assembly with described shift fork; Describedly be connected with described Switch main body turning assembly, and the rotation of self can be converted into the movement of Switch main body.
Described swing arm is divided into left swing arm and right swing arm, and above-mentioned two swing arms connect to realize being synchronized with the movement of Left Drive mechanism and right transmission mechanism by square shaft, and described left swing arm links with described drive unit.
In the drive unit of draw out switchgear electrical equipment of the present invention, describedly comprise by fixing upper to turning assembly and coaxial hard-wired lower to turning assembly with described shift fork of holder and described main body frame internal face turning assembly.
Describedly upward comprise upper to turning gear and with described upper to turning the coaxial hard-wired epirelief wheel plate of gear to turning assembly, describedly comprise lower to turning gear and with described lower to turning the coaxial hard-wired lower lobe plate of gear, described upper to turning gear and described lower intermeshing to turning gear to turning assembly down.
Described epirelief wheel plate and described lower lobe plate are equipped with driver slot, and described driver slot coordinates with the camshaft bearing that is fixed on described Switch main body one side.
In the drive unit of draw out switchgear electrical equipment of the present invention, described drive unit comprises operating body, be axially fixed in described main body frame and the screw rod that is connected with described operating body, be set in the nut slider assembly on described screw rod.
Described nut slider assembly be provided with camshaft bearing, the nut that coordinates with described screw flight and be fixed on described main body frame on the slide rail that coordinates of slide track seat.
Described left swing arm is provided with mounting hole, and the camshaft bearing on described nut slider assembly coordinates with described mounting hole.
Described operating body drives described bolt rotary, moves along described screw flight thereby drive described nut slider assembly, drives described to turning the assembly rotation to drive described swing arm and shift fork.
In the drive unit of draw out switchgear electrical equipment of the present invention, described nut and screw flight are trapezoidal thread.
In the drive unit of draw out switchgear electrical equipment of the present invention, described operating body comprises swing handle and/or the drive motors that is connected with described screw rod.
In the drive unit of draw out switchgear electrical equipment of the present invention, described operating body is drive motors, and described screw rod is provided with the first gear, and the output shaft of described drive motors is provided with the second gear, described the first gear and described the second gear engagement.
In the drive unit of draw out switchgear electrical equipment of the present invention, described guiding mechanism is the guide rail that is fixed on described main body frame base plate, and described Switch main body bottom is provided with the roller that coordinates with described guide rail.
In the drive unit of draw out switchgear electrical equipment of the present invention, described guide rail comprises the fixed guide that is fixedly connected with described main body frame base plate and extends to the outer movable guiding rail of described main body frame.
Described movable guiding rail can the upwards turnover around the end of described fixed guide, and described movable guiding rail is provided with hook, and described Switch main body is provided with the hook section that coordinates with it; When described Switch main body was positioned at described main body frame, described movable guiding rail can be hung in the hook section of described Switch main body by described hook.
Another technical scheme that the present invention solves its technical problem employing is, construct a kind of draw out switchgear electrical equipment, comprise main body frame, be placed in the Switch main body in described main body frame, comprise that also above-mentioned being used for drives the drive unit of the draw out switchgear electrical equipment that described Switch main body shifts out in the described main body frame.
Implement the present invention, have following beneficial effect: the present invention adopts drive unit to come drive transmission device, skid off in along guiding mechanism from main body frame thereby drive Switch main body, can realize reliably, steadily, easily extraction and the closed procedure of the Switch main body of larger volume and weight.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in accompanying drawing:
Fig. 1 is the drive unit of a kind of draw out switchgear electrical equipment of the present invention and the assembly structure schematic diagram of main body frame;
Fig. 2 is the drive unit of a kind of draw out switchgear electrical equipment of the present invention and the partial assembled view of Switch main body;
Fig. 3 is the structural representation of transmission mechanism in the drive unit of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 4 is shift fork and lower to turning the assembling schematic diagram of assembly in the drive unit of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 5 is the structural representation of nut slider assembly in the drive unit of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 6 is the structural representation of the left shift fork of drive unit of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 7 is the assembling schematic diagram of drive motors and screw rod in the drive unit of a kind of draw out switchgear electrical equipment of the present invention;
Fig. 8 is the structural representation of the drive unit middle guide of a kind of draw out switchgear electrical equipment of the present invention.
Embodiment
Now in conjunction with diagram, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, consult simultaneously Fig. 2.In the preferred embodiment of the drive unit of a kind of draw out switchgear electrical equipment of the present invention, this drive unit is placed in main body frame 2, is connected with Switch main body 1 simultaneously.
This drive unit comprises guiding mechanism 3, is fixed in main body frame 2 and the transmission mechanism that is connected with Switch main body 1 and the drive unit that is connected with transmission mechanism; Transmission mechanism can be converted into the rotation of self movement of body switch 1.
This drive unit drives above-mentioned transmission mechanism, and driving switch body 1 skids off in 2 along guiding mechanism 3 from main body frame.Owing to having adopted drive unit, transferring power is come by transmission mechanism again in the centre, skid off in 2 along guiding mechanism 3 from main body frame thereby can drive reliably, reposefully this 1 body of switch, be particularly conducive to extraction and the closed procedure of the Switch main body of larger volume and weight.
As shown in Figure 3, further, transmission mechanism comprises again Left Drive mechanism 4 and right transmission mechanism 5, Left Drive mechanism 4 and right transmission mechanism 5 are the internal faces that are symmetricly set on main body frame 2, namely on the left and right sides plate of main body frame 2.Being symmetrical arranged of transmission mechanism can make the stressed more even of body switch 1, thereby motion is more steady.
Preferably, Left Drive mechanism 4 be connected transmission mechanism 5 and include the swing arm 6 that is rotatably mounted on main body frame 2, see Fig. 6 with swing arm 6 by camshaft bearing 612() the shift fork 7(that is connected sees Fig. 4), coaxial hard-wired to turning assembly 8 with shift fork 7; Wherein, be connected with Switch main body 1 turning assembly 8, and the rotation of self can be converted into the movement of Switch main body 1.
Because Left Drive mechanism 4 and right transmission mechanism 5 are symmetrically arranged, for convenient narration, therefore above-mentioned swing arm 6 is divided into left swing arm 61 and right swing arm 62, is understandable that, above-mentioned shift fork 7 and should comprise also that to turning assembly 8 left and right two shift forks and two pairs of left and right turn assembly.
Above-mentioned two swing arms connect to realize being synchronized with the movement of Left Drive mechanism 4 and right transmission mechanism 5 by square shaft 9.Can draw from figure, two swing arms all have the square shaft hole, and the two ends of square shaft 9 pass from the square shaft hole of left and right two swing arms respectively and be not rotatable with respect to two swing arms.In a preferred embodiment of the invention, the two ends of square shaft 9 are connected with the biside plate of main body frame 2 by square shaft mount pad (not shown), and square shaft 9 is rotatable with respect to above-mentioned square shaft mount pad.
Further, above-mentionedly comprise by fixing upper to turning assembly 81 and coaxial hard-wired lower to turning assembly 82 with shift fork 7 of holder 10 and main body frame 2 side plates turning assembly 8.Holder 10 is fixedly connected with by the side plate of screw with main body frame 2, can synchronize with shift fork 7 rotation to turning assembly 82 down.
Above-mentioned upper to turn assembly 81 comprise again upper to turn gear 11 and with upper to turning the coaxial hard-wired epirelief wheel plate 812 of gear 811, similarly, under to turn assembly 82 comprise lower to turn gear 821 and with lower to turning the coaxial hard-wired lower lobe plate 822 of gear 821, and upper to turning gear 811 with lower intermeshing to turning gear 821.Epirelief wheel plate 812 and lower lobe plate 822 are equipped with driver slot 83(and see Fig. 4), driver slot 83 is seen Fig. 2 with the camshaft bearing 11(that is fixed on Switch main body 1 one sides) coordinate.By this driver slot 83, self rotation is changed into the movement of Switch main body 1 to turning assembly 8.It should be noted that, be intended to this forms of motion of rotation is changed into the movement of Switch main body 1 to turning assembly 8, therefore, this structure also can adopt slider-crank mechanism or cam mechanism to replace, but above two kinds of mechanisms are than to turning the rotation of gear, and the stationarity of motion is relatively poor.
Preferably, above-mentioned drive unit comprises operating body, is axially fixed in main body frame 2 and the screw rod 12 that is connected with operating body, is set in the nut slider assembly 13 on screw rod 12.Wherein, screw rod 12 is axially fixed in main body frame 2 via two holders (not marking in figure), and screw rod 12 can be driven by operating body in holder and rotate, but axially cannot be moved.Nut slider assembly 13 can move along the screw thread of screw rod 12 rear ends, and this nut slider assembly 13 is intended to promote left swing arm 61 and swings.
As shown in Figure 5, above-mentioned nut slider assembly 13 be provided with camshaft bearing 131, with the nut 132 of the threaded engagement of screw rod 12 and be fixed on main body frame 2 on the slide rail 133 that coordinates of slide track seat 14.This slide track seat 14 is to be fixed on the left plate of main body frame 2, by coordinating of slide rail 133 and slide track seat 14, can guarantee that nut slider assembly 13 is along the steady movement of screw rod 12.
As shown in Figure 6, also be provided with mounting hole 611 on left swing arm 61, the camshaft bearing 131 on nut slider assembly 13 coordinates with this mounting hole 611, and nut slider assembly 13 coordinates to promote that left swing arm 61 swings just by this.
When operating body drive screw 12 rotated, nut slider assembly 13 moved along the screw thread of screw rod 12 thereupon, due to the coordinating of camshaft bearing 131 and mounting hole 611, namely can drive left swing arm 6 and shift fork 7 and drive turning assembly 8 rotations again.
Preferably, screw thread on above-mentioned nut 132 and screw rod 12 is trapezoidal thread, trapezoidal thread has good intensity, and be mainly used in the extraction closure of the Switch main body of large volume and weight due to this drive unit, therefore in order to guarantee the reliability of drive unit, therefore use trapezoidal thread to guarantee the reliability of transmission at this.
Preferably, the aforesaid operations body comprises swing handle 15 and/or the drive motors 16 that is connected with screw rod 12.If operating body is swing handle 15, thereby swing handle 15 front end that can insert screw rod 12 drives the rotation of screw rod 12.As shown in Figure 7, be drive motors 16 as above-mentioned operating body, screw rod 12 is provided with the first gear 17, the output shaft of drive motors 15 is provided with the second gear 18 with the first gear 17 engagements, drive motors 16 starts, by the engagement of the first gear 17 and the second gear 18, can drive screw rod 12 and rotate.Be understandable that, this drive motors 16 can be controlled by the action button that is arranged on drive unit, operates more convenient.Certainly, also can adopt simultaneously swing handle 15 and drive motors 16 to be used as operating body as in the preferred embodiments of the present invention, when one of them broke down, another can also work like this, can not affect extraction and the closure of Switch main body 1.
Preferably, above-mentioned guiding mechanism 3 is for being fixed on the guide rail on main body frame 2 base plates, and Simultaneous Switching body 1 bottom is provided with the roller that coordinates with guide rail, and Switch main body 1 can be along this guide rail from main body frame marks in 2.This guide rail comprises the fixed guide that is fixedly connected with main body frame 2 base plates and extends to the outer movable guiding rail of main body frame 2.This movable guiding rail can guarantee that Switch main body 1 skids off main body frame 2 to greatest extent, thereby facilitates the technical staff to the maintenance of Switch main body 1.
As shown in Figure 8, above-mentioned movable guiding rail can the upwards turnover around the end of fixed guide, and movable guiding rail is provided with hook 19, and Switch main body 1 is provided with the hook section 20 that coordinates with it; When Switch main body 1 is positioned at main body frame 2 (and Switch main body 1 normal operation do not need to safeguard be), movable guiding rail can be hung in the hook section 20 of Switch main body 1 by linking up with 19, takes up room to avoid it, causes inconvenience.
In another specific embodiment of the present invention, use a kind of draw out switchgear electrical equipment of above-mentioned drive unit, comprise main body frame 2, be placed in the Switch main body 1 in main body frame 2, above-mentioned drive unit is located in main body frame 2 and is connected with Switch main body 1.This drive unit can guarantee that Switch main body 1 is interior steadily from main body frame 2, skid off reliably, thereby makes the convenient maintenance of this draw out switchgear electrical equipment.
Above embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present invention and implement accordingly, can not limit protection scope of the present invention.All equalizations of doing with claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (8)
1. the drive unit of a draw out switchgear electrical equipment, being used for driving switch body (1) extracts out or inserts at main body frame (2), it is characterized in that, comprise guiding mechanism (3), be fixed in described main body frame (2) and the transmission mechanism that is connected with described Switch main body (1) and the drive unit that is connected with described transmission mechanism; Described transmission mechanism can be converted into the rotation of self movement of Switch main body (1);
Described drive unit drives described transmission mechanism, drives described Switch main body (1) and extracts out in described main body frame (2) or insert along described guiding mechanism (3);
Described transmission mechanism comprises Left Drive mechanism (4) and right transmission mechanism (5), and described Left Drive mechanism (4) and described right transmission mechanism (5) are symmetricly set on the internal face of described main body frame (2);
Described Left Drive mechanism (4) be connected shift fork (7) that transmission mechanism (5) includes the swing arm (6) that is rotatably mounted on described main body frame (2), is connected by camshaft bearing (612) with described swing arm, coaxial hard-wired to turning assembly (8) with described shift fork (7); Describedly be connected with described Switch main body (1) turning assembly (8), and the rotation of self can be converted into the movement of Switch main body (1);
Described swing arm (6) is divided into left swing arm (61) and right swing arm (62), above-mentioned two swing arms connect to realize being synchronized with the movement of Left Drive mechanism (4) and right transmission mechanism (5) by square shaft (9), and described left swing arm (61) links with described drive unit;
Describedly comprise by fixing upper to turning assembly (81) and coaxial hard-wired lower to turning assembly (82) with described shift fork (7) of holder (10) and described main body frame (2) internal face turning assembly (8);
Describedly upward comprise upper to turning gear (811) and with described upper to turning the coaxial hard-wired epirelief wheel plate of gear (811) (812) to turning assembly (81), describedly comprise lower to turning gear (821) and with described lower to turning the coaxial hard-wired lower lobe plate of gear (821) (822), described upper to turning gear (811) with described lower intermeshing to turning gear (821) to turning assembly (82) down;
Described epirelief wheel plate (812) and described lower lobe plate (822) are equipped with driver slot (83), and described driver slot (83) coordinates with the camshaft bearing (11) that is fixed on described Switch main body (1) one side.
2. the drive unit of draw out switchgear electrical equipment according to claim 1, it is characterized in that, described drive unit comprises operating body, be axially fixed in described main body frame (2) and the screw rod (12) that is connected with described operating body, be set in the nut slider assembly (13) on described screw rod (12);
Described nut slider assembly (13) be provided with camshaft bearing (131), with the nut (132) of the threaded engagement of described screw rod (12) and with the slide rail (133) that is fixed on the upper slide track seat (14) of described main body frame (2) and coordinates;
Described left swing arm (61) is provided with mounting hole (611), and the camshaft bearing (131) on described nut slider assembly (13) coordinates with described mounting hole (611);
Described operating body drives described screw rod (12) and rotates, move along the screw thread of described screw rod (12) thereby drive described nut slider assembly (13), drive and describedly rotate turning assembly (8) to drive described swing arm (6) and shift fork (7).
3. the drive unit of draw out switchgear electrical equipment according to claim 2, is characterized in that, described nut (132) is trapezoidal thread with the screw thread of screw rod (12).
4. the drive unit of draw out switchgear electrical equipment according to claim 3, is characterized in that, described operating body comprises swing handle (15) and/or the drive motors (16) that is connected with described screw rod (12).
5. the drive unit of draw out switchgear electrical equipment according to claim 4, it is characterized in that, described operating body is drive motors (16), described screw rod (12) is provided with the first gear (17), the output shaft of described drive motors (16) is provided with the second gear (18), described the first gear (17) and described the second gear (18) engagement.
6. the drive unit of draw out switchgear electrical equipment according to claim 1, it is characterized in that, described guiding mechanism (3) is for being fixed on guide rail on described main body frame (2) base plate, and described Switch main body (1) bottom is provided with the roller that coordinates with described guide rail.
7. the drive unit of draw out switchgear electrical equipment according to claim 1, is characterized in that, described guide rail comprises the fixed guide that is fixedly connected with described main body frame (2) base plate and extends to the outer movable guiding rail of described main body frame (2);
Described movable guiding rail can the upwards turnover around the end of described fixed guide, and described movable guiding rail is provided with hook (19), and described Switch main body (1) is provided with the hook section (20) of cooperation with it; When described Switch main body (1) was positioned at described main body frame (2), described movable guiding rail can be hung in the hook section (20) of described Switch main body (1) by described hook (19).
8. draw out switchgear electrical equipment, comprise main body frame (2), be placed in the Switch main body (1) in described main body frame (2), it is characterized in that, also comprise the described drive unit be used to driving the draw out switchgear electrical equipment that described Switch main body (1) shifts out in the described main body frame (2) of claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110051350 CN102208768B (en) | 2011-03-03 | 2011-03-03 | Driving device for draw-out switching apparatus and draw-out switching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110051350 CN102208768B (en) | 2011-03-03 | 2011-03-03 | Driving device for draw-out switching apparatus and draw-out switching apparatus |
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| Publication Number | Publication Date |
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| CN102208768A CN102208768A (en) | 2011-10-05 |
| CN102208768B true CN102208768B (en) | 2013-11-06 |
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| CN 201110051350 Active CN102208768B (en) | 2011-03-03 | 2011-03-03 | Driving device for draw-out switching apparatus and draw-out switching apparatus |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611025A (en) * | 2012-02-13 | 2012-07-25 | 北京华东电气股份有限公司 | 110KV composite apparatus with moveable spring mechanism |
| US9153948B2 (en) * | 2013-02-11 | 2015-10-06 | General Electric Company | System and method for actuation of power panel |
| CN116131147B (en) * | 2023-04-14 | 2023-06-27 | 江苏国控电力设备有限公司 | Draw-out device for draw-out type switching device and draw-out type switching device |
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| CN101364713A (en) * | 2007-04-18 | 2009-02-11 | 伊顿公司 | Support and extension rail assembly |
| CN101562314A (en) * | 2008-04-15 | 2009-10-21 | 通用电气公司 | Racking mechanism for a circuit breaker |
| CN201741642U (en) * | 2010-06-02 | 2011-02-09 | 上海诺雅克电气有限公司 | Drawer type circuit breaker with in-place sounding prompt function |
| CN202094517U (en) * | 2011-03-03 | 2011-12-28 | 深圳市泰永电气科技有限公司 | Driving device for draw-out type switching electric appliance and draw-out type switching electric appliance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626148B (en) * | 2008-07-07 | 2012-01-11 | 北京人民电器厂有限公司 | Draw-out device |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364713A (en) * | 2007-04-18 | 2009-02-11 | 伊顿公司 | Support and extension rail assembly |
| CN101562314A (en) * | 2008-04-15 | 2009-10-21 | 通用电气公司 | Racking mechanism for a circuit breaker |
| CN201741642U (en) * | 2010-06-02 | 2011-02-09 | 上海诺雅克电气有限公司 | Drawer type circuit breaker with in-place sounding prompt function |
| CN202094517U (en) * | 2011-03-03 | 2011-12-28 | 深圳市泰永电气科技有限公司 | Driving device for draw-out type switching electric appliance and draw-out type switching electric appliance |
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