CN203225199U - Transmission insulating connecting rod mechanism used for disconnector equipment - Google Patents
Transmission insulating connecting rod mechanism used for disconnector equipment Download PDFInfo
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- CN203225199U CN203225199U CN 201320195883 CN201320195883U CN203225199U CN 203225199 U CN203225199 U CN 203225199U CN 201320195883 CN201320195883 CN 201320195883 CN 201320195883 U CN201320195883 U CN 201320195883U CN 203225199 U CN203225199 U CN 203225199U
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- steel joint
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Abstract
The utility model discloses a transmission insulating connecting rod mechanism used for disconnector equipment. The transmission insulating connecting rod mechanism comprises an insulating connecting rod and transmission crank arms; an insulating rod, a hollow steel pull rod, an upper-end rod head and a lower-end rod head are in threaded connection with each other so as to form the insulating connecting rod, and locking devices with double-flat nuts are utilized at joints; through adjusting screw-thread matching depth and double-flat nut pre-tightening torque, the length of the insulating connecting rod can be adjusted, and the accuracy and reliability of the insulating connecting rod can be ensured; with the structure of the insulating rod adopted, damage to components and operation electric shock caused by short-circuit faults can be effectively avoided, and accurate switching off/on operation of a disconnector and safety of maintenance operation can be ensured; the transmission crank arms comprise a driving shaft crank arm and a driven shaft crank arm which are respectively connected with a motor actuator and the disconnector equipment; and joint bearings of the upper end head and the lower end head of the insulating connecting rod are connected with the driving shaft crank arm and the driven shaft crank arm. With the transmission insulating rod mechanism adopted, clamping stagnation and abrasion produced in a transmission process in the prior art can be greatly reduced, and the operational reliability of the disconnector equipment can be effectively improved.
Description
Technical field
The utility model relates to a kind of Cubicle Gas-Insulated Switchgear assembly, particularly a kind of external connection mechanism device that can be applicable to deciliter actuating of gas-insulated metal-enclosed equipment (being called for short GIS) usefulness isolating switch.
Background technology
GIS adopts linear pattern (GL type) structure with isolating switch, electric operating mechanism by outside drives kinematic link mechanism, the inner connecting lever that connects is rotated, thereby drive moving side contact axial motion, finish branch, feed motion with quiet side contact, realize cut-offfing the through-flow loop of He Guanhe.
GIS linear pattern isolating switch kinematic link mechanism in the past, it is characterized by gonnecting rod body is connected by threaded engagement with the two ends bracket by shaft, the two ends bracket is connected with master and slave transmission crank arm by bearing pin, under the driving of motor drive mechanism, finishes the branch closing operation of isolating switch.Its existing problem is: bracket and the frictional dissipation of connecting lever rotary motion pair are bigger, and transmission efficiency reduces, easily clamping stagnation.In addition, used linkage is metalwork, can't realize electric insulation, damages electric operating mechanism secondary auxiliary element when being short-circuited fault, and fail safe can't ensure during inspection operation.
The utility model content
The purpose of this utility model is to provide a kind of isolated switchgear transmission insulated connecting rod mechanism, be used for deciliter actuating of gas-insulated metal-enclosed equipment isolating switch, its kinematic link mechanism secondary component of having avoided effectively causing because of isolating switch external short circuit fault damages and the inspection operation electric shock, guarantees the isolating switch safe and reliable operation.
To achieve these goals, the utility model adopts following technical scheme:
A kind of isolated switchgear transmission insulated connecting rod mechanism, comprise insulated connecting rod, driving shaft connecting lever and driven shaft connecting lever, wherein insulated connecting rod is the linear structure of whole dead in line, comprise the upper end bar head, insulating bar and the bottom bar head that link to each other successively, the other end of upper end bar head and bottom bar head is connected an end of driven shaft connecting lever and driving shaft connecting lever respectively, the other end of driven shaft connecting lever and driving shaft connecting lever is connected isolated switchgear and motor operating mechanism respectively, forms space four bar bindiny mechanisms.
The utility model further improves and is: in the described insulated connecting rod, be connected with first steel joint between upper end bar head and the insulating bar, be connected with second steel joint between insulating bar and the bottom bar head.
The utility model further improves and is: described first steel joint and second steel joint are an end external screw thread other end female thread structure, the two ends of insulating bar are external thread structure, and the internal thread side of first steel joint and second steel joint is connected with the insulating bar two ends respectively.
The utility model further improves and is: described insulating bar is the multidiameter structure of epoxy phenol aldehyde glass cloth laminated rod material and two ends symmetry.
The utility model further improves and is: the internal thread position of described first steel joint and second steel joint respectively arranges a straight pin through hole, the axis normal of its center line and first steel joint and second steel joint, first straight pin and second straight pin are passed the straight pin through hole fixed insulation bar on first steel joint and second steel joint respectively.
The utility model further improves and is: be connected with hollow steel pull bar between described second steel joint and the bottom bar head, there is internal thread the both sides of hollow steel pull bar, and the external screw thread side of second steel joint and a side of hollow steel pull bar are fixed by second pair of flat locking nut; One side of described upper end bar head has internal thread, one side of bottom bar head has external screw thread, and the external screw thread side of the internal thread side of upper end bar head and the external screw thread side of first steel joint and bottom bar head and the opposite side of hollow steel pull bar adopt first pair of flat locking nut and the 3rd pair of flat locking nut to fix respectively.
The utility model further improves and is: the end that upper end bar head and bottom bar head are connected driven shaft connecting lever and driving shaft connecting lever respectively is respectively the sleeve-like structure of the oscillating bearing that has upper end oscillating bearing connecting hole and lower end oscillating bearing connecting hole, and upper end oscillating bearing connecting hole is vertical mutually with the axis of lower end oscillating bearing connecting hole; One side of driven shaft connecting lever and driving shaft connecting lever is the bracket platy structure, is respectively equipped with first pin-and-hole and second pin-and-hole on it; End oscillating bearing connecting hole and lower end oscillating bearing connecting hole are connected on first pin-and-hole and second pin-and-hole by first bearing pin and second bearing pin respectively.
The utility model further improves and is: be respectively equipped with driven shaft connecting hole and driving shaft connecting hole on the opposite side of described moving axis connecting lever and driving shaft connecting lever, the driven shaft connecting lever is connected in by the driven shaft connecting hole on the power shaft of isolated switchgear, and the driving shaft connecting lever is connected on the output shaft of motor operating mechanism by the driving shaft connecting hole.
The utility model further improves and is: the side of described driven shaft connecting lever is provided with stop screw.
With respect to prior art, the utlity model has following beneficial effect: the insulating bar structure that the utility model adopts can avoid the secondary component of the kinematic link mechanism that causes because of isolated switchgear external short circuit fault to damage and the inspection operation electric shock effectively, guaranteed the safety of inspection operation, guarantee the isolated switchgear safe and reliable operation, and each modular construction compactness of the present utility model is made, is installed and overhauls simple and convenient.
The utility model further has following beneficial effect: the straight pin tightening is all adopted in the junction of first and second steel joint and insulating bar, pass through to regulate the insulating bar threaded engagement degree of depth during assembling, realize the insulation property of different faults short-circuit conditions lower link, guarantee the safe and reliable of the normal use of the utility model element and inspection operation effectively; The locking device of two jam nuts is all used in first and second steel joint and hollow steel pull bar and upper/lower terminal bar head junction, pass through to regulate the threaded engagement degree of depth and two jam nut pre-fastening moments during assembling, adjust length of the present utility model effectively, guarantee precision and the reliability of the utility model transmission, controllability is strong, bearing capacity is big, wearing and tearing are little; Upper and lower end oscillating bearing by upper and lower termination with realize that from, driving shaft connecting lever bearing pin is connected, the revolute pair frictional dissipation is less, transmission accuracy is high, reduce clamping stagnation, wear phenomenon that prior art is brought greatly in transmission process, and the adjustment by motor operating mechanism rotating speed and the utility model length, accurate branch, the closing operation of realization isolated switchgear.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present utility model;
Fig. 2-the 1st, the partial structurtes schematic diagram at insulating bar and hollow steel pull bar place;
Fig. 2-the 2nd, the structural representation of upper end bar head;
Fig. 2-the 3rd, the cutaway view of Fig. 2-2;
Fig. 2-the 4th, the structural representation of bottom bar head;
Fig. 2-the 5th, the cutaway view of Fig. 2-4;
Fig. 2-the 6th, the structural representation of driven shaft connecting lever;
Fig. 2-the 7th, the end view of Fig. 2-6;
Fig. 2-the 8th, the structural representation of driving shaft connecting lever;
Fig. 2-the 9th, the end view of Fig. 2-8;
Fig. 3-the 1st, the utility model are in the schematic diagram of "on" position;
Fig. 3-the 2nd, the end view of Fig. 3-1;
Fig. 4-the 1st, the utility model are in the schematic diagram of gate-dividing state;
Fig. 4-the 2nd, the end view of Fig. 4-1.
Wherein: 1 is insulated connecting rod, and 2 is output shaft, and 3 is the motor operating mechanism, 4 is isolated switchgear, and 5 is power shaft, and 6 is stop screw, 7 is the driven shaft connecting lever, and 8 is first bearing pin, and 9 is upper end bar head, 10 is first pair of flat locking nut, 11 is first steel joint, and 12 is first straight pin, and 13 is insulating bar, 14 is second straight pin, 15 is second steel joint, and 16 is second pair of flat locking nut, and 17 is hollow steel pull bar, 18 is the 3rd pair of flat locking nut, 19 is the bottom bar head, and 20 is second bearing pin, and 21 is the driving shaft connecting lever, 22 is screw, 23 is the driven shaft connecting hole, and 24 is first pin-and-hole, and 25 is the driving shaft connecting hole, 26 is that second pin-and-hole 27 is upper end oscillating bearing connecting hole, and 28 is lower end oscillating bearing connecting hole.
Embodiment
Below in conjunction with accompanying drawing and example utility model is described in further detail.
See also shown in Fig. 1 to Fig. 4-2, a kind of isolated switchgear of the utility model transmission insulated connecting rod mechanism, comprise insulated connecting rod 1, driving shaft connecting lever 21 and driven shaft connecting lever 7, wherein insulated connecting rod 1 is the linear structure of whole dead in line, comprise the upper end bar head 9 that links to each other successively, insulating bar 13 and bottom bar 19, upper end bar head 9, the other end of bottom bar 19 is connected with driven shaft connecting lever 7 respectively, one end of driving shaft connecting lever 21, driving shaft connecting lever 21, the other end of driven shaft connecting lever 7 connects motor operating mechanism 3 and isolated switchgear 4 respectively, forms space four bar bindiny mechanisms.
Be connected with first steel joint 11 between upper end bar head 9 and the insulating bar 13, be connected with second steel joint 15 between insulating bar 13 and the bottom bar 19.The external screw thread multidiameter structure that described insulating bar 13 is epoxy phenol aldehyde glass cloth laminated rod material and two ends symmetry; Described first and second steel joint 11,15 is processed as an end external screw thread and an end female thread structure by cold drawn hexagonal steel, and first and second steel joint 11,15 internal thread side are connected with insulating bar 13 two ends respectively.Described first and second steel joint 11,15 internal thread position respectively arrange a straight pin through hole, its center line and first and second steel joint 11,15 axis normal, first and second straight pin 12,14 passes the straight pin through hole fixed insulation bar 13 on first and second steel joint 11,15 respectively.Between described second steel joint 15 and the bottom bar 19, be connected with hollow steel pull bar 17, there is internal thread the both sides of hollow steel pull bar 17, and the external screw thread side of second steel joint 15 and a side of hollow steel pull bar 17 are fixing by second pair of flat locking nut 16.One side of described upper end bar head 9 has internal thread, one side of bottom bar 19 has external screw thread, and the external screw thread side of the external screw thread side of the internal thread side of upper end bar head 9 and first steel joint 11 and bottom bar 19 and the opposite side of hollow steel pull bar 17 adopt the flat locking nut of first pair of flat locking nut 10 and the 3rd pair 18 fixing respectively.
Upper and lower end bar head 9,19 is connected with from, driving shaft connecting lever 7, an end of 21 to having the sleeve-like structure of the oscillating bearing of upper and lower end oscillating bearing connecting hole 27,28 respectively, and the axis of upper and lower end oscillating bearing connecting hole 27,28 is vertical mutually; Be the platy structure of bracket from, driving shaft connecting lever 7, a side of 21, be respectively equipped with first and second pin-and- hole 24,26 on it; Upper and lower end oscillating bearing connecting hole 27,28 is connected on first and second pin-and- hole 24,26 by first and second bearing pin 8,20 respectively.Described from, driving shaft connecting lever 7,21 opposite side be respectively equipped with six square shaft pore structures from, driving shaft connecting hole 23,25, driven shaft connecting lever 7 is connected in by driven shaft connecting hole 23 on the power shaft 5 of isolated switchgear 4, and driving shaft connecting lever 21 is connected on the output shaft 2 of motor operating mechanism 3 by driving shaft connecting hole 25.The side of driven shaft connecting lever 7 is provided with stop screw 6.
Referring to Fig. 1 to Fig. 4-2, the utility model is when assembling, earlier first and second steel joint 11,15 female thread structure side are connected with insulating bar 13 two ends respectively, the junction is assembled first and second straight pin 12,14 and is fixed, opposite side by second steel joint 15 connects hollow steel pull bar 17 again, and the junction makes the two flat locking nuts 16 of second usefulness.By regulate first and second steel joint 11,15 with the degree of depth that cooperates of insulating bar 13, guarantee the electric reliability of insulated connecting rod to cooperate the degree of depth by regulating second steel joint 15 with hollow steel pull bar 17, the controllability of realization the utility model length.The opposite side of first steel joint 11 connects upper end bar head 9, the opposite side of hollow steel pull bar 17 connects bottom bar 19, two junctions are used first and third pair of flat locking nut 10,18 respectively, and guaranteeing that first and second oscillating bearing connecting hole 27,28 axis on the upper and lower end bar head 9,19 are perpendicular, first and second oscillating bearing connecting hole 27,28 centre distance are in the size range of designing requirement.The utility model by from, the driving shaft connecting lever connects isolated switchgear and motor operating mechanism, driving shaft connecting lever 21 is connected in the output shaft 2 of motor operating mechanism during assembling by driving shaft connecting hole 25, driven shaft connecting lever 7 is connected in the power shaft 5 of isolated switchgear by driven shaft connecting hole 23, lower end oscillating bearing connecting hole 28 on end oscillating bearing connecting hole 27 on the upper end bar head 9 and the bottom bar 19 is respectively by first, two bearing pins 8,20 be connected in from, on the driving shaft connecting lever first, two pin-and-holes 24, on 26, driving shaft connecting lever and output shaft (2) are fixing with screw (22).
Operation principle of the present utility model:
As Fig. 3-1 to shown in Fig. 4-2, the output shaft 2 that the utility model connects turn to for: close a floodgate clockwise, separating brake is counterclockwise, and its integral body constitutes space four bar linkage mechanism.
During electronic or manual brake separating, the electrical power of motor operating mechanism or use the hand-operated tools manual operation, motor output gear is rotated or the rotation of manual gear axle, slow down through gear pair, driving motor operating mechanism output shaft 2 rotates counterclockwise, the driving shaft connecting lever 21 that drive is attached thereto rotates counterclockwise, and then the promotion compensation linkage is done plane motion, driving driven shaft connecting lever 7 rotates counterclockwise, and then by the moving side contact axial motion of the inner connecting lever of isolating switch bindiny mechanism drive, it is spacing to reach separating brake up to the motor operating mechanism, and contact is finished sub-switching operation.
Electric switch-on or closing by hand course of action are identical with separating brake, and be opposite when just each several part turns to separating brake.
Stop screw 6 also is set on the input shaft flange plate of isolated switchgear, is used for the restriction of the utility model transmission position, can prevent the divide-shut brake motion misoperation that causes because of motor operating mechanism or isolated switchgear fault.Upper and lower side bar head of the present utility model uses oscillating bearing to be connected with the main driven shaft connecting lever, clamping stagnation and wearing and tearing that the utility model produces because of lateral forces have been reduced effectively in the transmission operating process, operating efficiency improves, guarantee the operate as normal of motor operating mechanism, improve the reliability of isolated switchgear safe operation.
Claims (9)
1. an isolated switchgear is with transmission insulated connecting rod mechanism, it is characterized in that: comprise insulated connecting rod (1), driving shaft connecting lever (21) and driven shaft connecting lever (7), wherein insulated connecting rod (1) is the linear structure of whole dead in line, comprise the upper end bar head (9) that links to each other successively, insulating bar (13) and bottom bar head (19), upper end bar head (9) is connected an end of driven shaft connecting lever (7) and driving shaft connecting lever (21) respectively with the other end of bottom bar head (19), the other end of driven shaft connecting lever (7) and driving shaft connecting lever (21) is connected isolated switchgear (4) and motor operating mechanism (3) respectively, forms space four bar bindiny mechanisms.
2. isolated switchgear according to claim 1 is with transmission insulated connecting rod mechanism, it is characterized in that, in the described insulated connecting rod (1), be connected with first steel joint (11) between upper end bar head (9) and the insulating bar (13), be connected with second steel joint (15) between insulating bar (13) and the bottom bar head (19).
3. isolated switchgear according to claim 2 is with transmission insulated connecting rod mechanism, it is characterized in that, described first steel joint (11) and second steel joint (15) are an end external screw thread other end female thread structure, the two ends of insulating bar (13) are external thread structure, and the internal thread side of first steel joint (11) and second steel joint (15) is connected with insulating bar (13) two ends respectively.
4. isolated switchgear according to claim 3 is characterized in that with transmission insulated connecting rod mechanism described insulating bar (13) is the multidiameter structure of epoxy phenol aldehyde glass cloth laminated rod material and two ends symmetry.
5. isolated switchgear according to claim 3 is with transmission insulated connecting rod mechanism, it is characterized in that, the internal thread position of described first steel joint (11) and second steel joint (15) respectively arranges a straight pin through hole, the axis normal of its center line and first steel joint (11) and second steel joint (15), first straight pin (12) and second straight pin (14) pass the straight pin through hole fixed insulation bar (13) on first steel joint (11) and second steel joint (15) respectively.
6. isolated switchgear according to claim 3 is with transmission insulated connecting rod mechanism, it is characterized in that, be connected with hollow steel pull bar (17) between described second steel joint (15) and the bottom bar head (19), there is internal thread the both sides of hollow steel pull bar (17), and a side of the external screw thread side of second steel joint (15) and hollow steel pull bar (17) is fixing by second pair of flat locking nut (16); One side of described upper end bar head (9) has internal thread, one side of bottom bar head (19) has external screw thread, and the opposite side of the external screw thread side of the internal thread side of upper end bar head (9) and first steel joint (11) and the external screw thread side of bottom bar head (19) and hollow steel pull bar (17) adopts first pair of flat locking nut (10) and the 3rd pair of flat locking nut (18) to fix respectively.
7. isolated switchgear according to claim 1 is with transmission insulated connecting rod mechanism, it is characterized in that, the sleeve-like structure of the oscillating bearing of oscillating bearing connecting hole (27) and lower end oscillating bearing connecting hole (28) on the end that upper end bar head (9) and bottom bar head (19) are connected driven shaft connecting lever (7) and driving shaft connecting lever (21) respectively is respectively and has, and upper end oscillating bearing connecting hole (27) is vertical mutually with the axis of lower end oscillating bearing connecting hole (28); One side of driven shaft connecting lever (7) and driving shaft connecting lever (21) is the bracket platy structure, is respectively equipped with first pin-and-hole (24) and second pin-and-hole (26) on it; End oscillating bearing connecting hole (27) and lower end oscillating bearing connecting hole (28) are connected on first pin-and-hole (24) and second pin-and-hole (26) by first bearing pin (8) and second bearing pin (20) respectively.
8. isolated switchgear according to claim 7 is with transmission insulated connecting rod mechanism, it is characterized in that, be respectively equipped with driven shaft connecting hole (23) and driving shaft connecting hole (25) on the opposite side of described driven shaft connecting lever (7) and driving shaft connecting lever (21), driven shaft connecting lever (7) is connected in by driven shaft connecting hole (23) on the power shaft (5) of isolated switchgear (4), and driving shaft connecting lever (21) is connected on the output shaft (2) of motor operating mechanism (3) by driving shaft connecting hole (25).
9. isolated switchgear according to claim 8 is characterized in that with transmission insulated connecting rod mechanism the side of described driven shaft connecting lever (7) is provided with stop screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195883 CN203225199U (en) | 2013-04-17 | 2013-04-17 | Transmission insulating connecting rod mechanism used for disconnector equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195883 CN203225199U (en) | 2013-04-17 | 2013-04-17 | Transmission insulating connecting rod mechanism used for disconnector equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225199U true CN203225199U (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320195883 Expired - Lifetime CN203225199U (en) | 2013-04-17 | 2013-04-17 | Transmission insulating connecting rod mechanism used for disconnector equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203225199U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362028A (en) * | 2014-11-26 | 2015-02-18 | 大连高压开关电器有限公司 | Two-arm pull rod transmission mechanism for isolating switches |
| CN105162024A (en) * | 2015-07-20 | 2015-12-16 | 广东电网有限责任公司东莞供电局 | GIS isolating switch mechanism anti-maloperation device |
| CN106548881A (en) * | 2016-10-28 | 2017-03-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of insulated tension pole structure |
| CN108022768A (en) * | 2017-11-10 | 2018-05-11 | 平高集团有限公司 | A kind of device for switching |
| CN109920696A (en) * | 2019-04-24 | 2019-06-21 | 江苏洛云电力科技有限公司 | The conjuncted sealing insulation cabinet of three-phase |
| CN108987168B (en) * | 2018-09-29 | 2023-10-13 | 长高电新科技股份公司 | Rotating shaft connecting rod connecting structure of high-voltage isolating switch and assembling method thereof |
-
2013
- 2013-04-17 CN CN 201320195883 patent/CN203225199U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362028A (en) * | 2014-11-26 | 2015-02-18 | 大连高压开关电器有限公司 | Two-arm pull rod transmission mechanism for isolating switches |
| CN105162024A (en) * | 2015-07-20 | 2015-12-16 | 广东电网有限责任公司东莞供电局 | GIS isolating switch mechanism anti-maloperation device |
| CN105162024B (en) * | 2015-07-20 | 2017-04-12 | 广东电网有限责任公司东莞供电局 | GIS isolating switch mechanism anti-maloperation device |
| CN106548881A (en) * | 2016-10-28 | 2017-03-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of insulated tension pole structure |
| CN108022768A (en) * | 2017-11-10 | 2018-05-11 | 平高集团有限公司 | A kind of device for switching |
| CN108022768B (en) * | 2017-11-10 | 2019-11-08 | 平高集团有限公司 | A kind of device for switching |
| CN108987168B (en) * | 2018-09-29 | 2023-10-13 | 长高电新科技股份公司 | Rotating shaft connecting rod connecting structure of high-voltage isolating switch and assembling method thereof |
| CN109920696A (en) * | 2019-04-24 | 2019-06-21 | 江苏洛云电力科技有限公司 | The conjuncted sealing insulation cabinet of three-phase |
| CN109920696B (en) * | 2019-04-24 | 2024-01-30 | 江苏洛凯机电股份有限公司 | Three-phase conjuncted solid sealed insulation cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |