CN111755280A - Double-column rotary isolating switch - Google Patents
Double-column rotary isolating switch Download PDFInfo
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- CN111755280A CN111755280A CN202010488061.2A CN202010488061A CN111755280A CN 111755280 A CN111755280 A CN 111755280A CN 202010488061 A CN202010488061 A CN 202010488061A CN 111755280 A CN111755280 A CN 111755280A
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- Prior art keywords
- fixedly connected
- insulating
- contact
- piston
- plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a double-column rotary isolating switch which comprises a supporting seat, wherein one end of the top of the supporting seat is fixedly connected with a left insulating column, the top of the end, far away from the left insulating column, of the supporting seat is rotatably connected with a right insulating column, the top of the left insulating column is fixedly connected with a left wiring contact, the top of the right insulating column is fixedly connected with a right wiring contact, the top of the left wiring contact is fixedly connected with a first connecting column, the top of the first connecting column is fixedly connected with a left metal connecting sheet, and the middle of the left metal connecting sheet is provided with a contact groove. According to the invention, when the contact rotates towards the inner wall of the contact groove, the movable rod drives the first piston to move on the inner wall of the fixed sleeve, and the first damping spring is matched with the telescopic rod and the second damping spring to play a role in buffering the rotation of the contact, so that the contact is prevented from impacting a left metal connecting sheet and the contact groove greatly when the device is switched on, and the purpose of high switching-on action stability is achieved.
Description
Technical Field
The invention relates to the technical field of isolating switches, in particular to a double-column rotary isolating switch.
Background
The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely an isolating switch with rated voltage of more than 1kV, the high-voltage isolating switch has a simple working principle and structure, but has high requirements on working reliability due to large usage amount, and has large influence on the design, establishment and safe operation of a substation and a power plant. The main characteristic of the isolating switch is that it has no arc-extinguishing capability, and can only open and close the circuit under the condition of no load current. The entry introduces the function, characteristics, type, application, error improvement prevention, maintenance, common problems and the like of the isolating switch, the double-column isolating switch is an isolating switch which is provided with two rotatable contacts at each pole, is respectively arranged on an independent porcelain column and is contacted between the two support columns, the fracture direction of the isolating switch is parallel to the plane of the base, and the isolating switch can be divided into two types of horizontal rotation and vertical extension according to different conductive structures.
However, in the prior art, most of the isolating switch structures in the dual-column isolating switch are vertical plane folding type, when the isolating switch of the vertical plane folding type structure is switched on, the moving contact and the static contact have large impact, the action stability is poor, the reliability and the stability of the direct current isolating switch can be influenced, and the dual-column isolating switch and an electric appliance connected with the dual-column isolating switch are prone to generating faults.
Disclosure of Invention
The present invention is directed to a dual-column rotary isolating switch, so as to solve the problems mentioned above in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the device comprises a supporting seat, wherein a left insulating strut is fixedly connected to one end of the top of the supporting seat, a right insulating strut is rotatably connected to the top of the supporting seat, which is far away from the left insulating strut, the top of the left insulating strut is fixedly connected with a left wiring contact, the top of the right insulating strut is fixedly connected with a right wiring contact, the top of the left wiring contact is fixedly connected with a first connecting post, the top of the first connecting post is fixedly connected with a left metal connecting sheet, the middle part of the left metal connecting sheet is provided with a contact groove, the top of the right wiring contact is fixedly connected with a second connecting post, the top of the second connecting post is fixedly connected with a right metal connecting sheet, the surface of the right metal connecting sheet is fixedly connected with a contact, one end of the contact, which is far away from the right metal connecting sheet, is movably connected with the inner wall of the contact, the contact is fixedly connected with an insulation board at one end corresponding to the position of the insulation connecting frame, the insulation board is fixedly connected with a movable rod at one end corresponding to the position of the insulation connecting frame, a fixed sleeve penetrates and is embedded in the position of the insulation connecting frame corresponding to the movable rod, a first piston is fixedly connected with one end of the movable rod corresponding to the position of the fixed sleeve, the first piston is movably connected with the inner wall of the fixed sleeve, a first damping spring is fixedly connected with one end of the first piston far away from the position of the movable rod, the first damping spring is fixedly connected with the inner wall of the fixed sleeve, a first connecting pipe is fixedly connected with the surface of the fixed sleeve, a second connecting pipe is fixedly connected with the middle part of the first connecting pipe, a piston cylinder is fixedly connected with one end of the second connecting pipe far away from the position of the, the inner wall swing joint of piston cylinder has the second piston, the one end fixedly connected with telescopic link that the second connecting pipe position was kept away from to the second piston, and telescopic link fixed connection keeps away from the one end of insulating board position at insulating link, the fixed surface of telescopic link is connected with second damping spring.
Preferably, one end of the insulating plate corresponding to the position of the insulating connecting frame is fixedly connected with a connecting plate, and one end of the connecting plate far away from the position of the insulating plate is fixedly connected with an inclined plate.
Preferably, the number of the connecting plates is two, and the two connecting plates are symmetrically arranged around the horizontal axis of the midpoint of the insulating plate.
Preferably, the middle part of the position of the insulating connecting frame corresponding to the inclined plate is penetrated and embedded with a protective cover, and the connecting plate and the inclined plate are movably connected to the inner wall of the protective cover.
Preferably, the one end fixedly connected with cylinder of the corresponding insulating board position of insulating link, the output shaft fixedly connected with drive head of cylinder, and the surface of drive head closely laminates with the one end of hang plate, the hang plate slope sets up, the drive head is spherical structure.
Preferably, the middle part fixedly connected with insulating post of right side insulating support, the fixed surface of insulating post is connected with the bearing, the fixed surface of bearing is connected with the connecting block, and connecting block fixed connection keeps away from the bottom of left metal connecting piece position one end at insulating link.
Preferably, the number of the fixed sleeves is two, the interiors of the two fixed sleeves are communicated with the interior of the first connecting pipe respectively, and the interior of the second connecting pipe is communicated with the interiors of the first connecting pipe and the piston cylinder respectively.
Preferably, the inner wall of one end of the fixed sleeve corresponding to the insulating plate is fixedly connected with a blocking block, the movable rod penetrates through and extends to two ends of the blocking block, and the diameter of the movable rod is smaller than that of the first piston.
Preferably, the movable rod and the fixed sleeve are both arc-shaped structures, and the arc degrees of the movable rod and the fixed sleeve are matched.
Preferably, the diameter of the first piston is matched with the inner diameter of the fixing sleeve, the diameter of the second piston is matched with the inner diameter of the piston cylinder, and the piston cylinder is located between the two fixing sleeves.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when the contact rotates towards the inner wall of the contact groove, the movable rod drives the first piston to move on the inner wall of the fixed sleeve, and the first damping spring is matched with the telescopic rod and the second damping spring to play a role in buffering the rotation of the contact, so that the contact is prevented from impacting a left metal connecting sheet and the contact groove greatly when the device is switched on, and the purpose of high switching-on action stability is achieved;
2. the driving head is driven by the air cylinder to move towards one end of the inclined plate, so that the driving head can be tightly attached to the surface of the inclined plate, the inclined plate is obliquely arranged, the driving head can drive the inclined plate to move towards the inner wall of the protective cover when moving towards one end of the inclined plate, the inclined plate can be moved towards the inner wall of the contact groove through the connecting plate and the insulating plate with the moving contact until the inclined plate completely enters the inner wall of the protective cover, at the moment, the contact drives the right metal connecting sheet, the second connecting column and the right insulating support column to rotate, one end of the contact far away from the right metal connecting sheet is tightly attached to the inner wall of the contact groove, closing work can be completed, closing operation can be realized only by driving the driving head to stretch through the air cylinder, and the operation is simple and.
3. The movable rod, the fixed sleeve, the first piston and the first damping spring are arranged, so that when the switch is switched on, the movable rod drives the first piston to extrude the first damping spring on the inner wall of the fixed sleeve, when the switch is switched off, the first damping spring is far away from the contact groove through the first piston, the movable rod and the insulating plate with the moving contact under the action of resetting and stretching of the first damping spring, the switch-off operation can be completed, and the switch-off of the contact can be supported through the first damping spring in cooperation with the first piston, the movable rod and the insulating plate.
Drawings
FIG. 1 is a front view of the overall structure of a dual-pole rotary isolating switch of the present invention;
FIG. 2 is a front sectional view of the overall structure of a dual-column rotary isolating switch according to the present invention;
FIG. 3 is a top view of the overall structure of a dual-post rotary isolating switch according to the present invention;
FIG. 4 is a sectional top view of the overall structure of a dual-pole rotary isolating switch according to the present invention;
fig. 5 is a partial sectional top view of the overall structure of a dual-pole rotary isolating switch of the invention.
In the figure: 100. a supporting seat; 101. a left insulating strut; 102. a right insulating pillar; 103. a left wiring contact; 104. a right wiring contact; 105. a first connecting column; 106. a left metal connection sheet; 107. a contact groove; 108. a second connecting column; 109. a right metal connecting sheet; 110. a contact; 111. an insulating plate; 112. a connecting plate; 113. an inclined plate; 114. a protective cover; 115. a cylinder; 116. a drive head; 117. an insulating column; 118. a bearing; 119. connecting blocks; 120. a movable rod; 121. fixing a sleeve; 122. a first piston; 123. a first damping spring; 124. a first connecting pipe; 125. a second connecting pipe; 126. a piston cylinder; 127. a second piston; 128. a telescopic rod; 129. a second damping spring; 130. a blocking block; 131. and an insulating connecting frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: comprises a supporting seat 100, a left insulating strut 101 is fixedly arranged at one end of the top of the supporting seat 100, a right insulating strut 102 is rotatably connected with the top of one end of the supporting seat 100 far away from the left insulating strut 101, a left wiring contact 103 is fixedly arranged at the top of the left insulating strut 101, a right wiring contact 104 is fixedly arranged at the top of the right insulating strut 102, a first connecting column 105 is fixedly arranged at the top of the left wiring contact 103, a left metal connecting sheet 106 is fixedly arranged at the top of the first connecting column 105, a contact groove 107 is arranged in the middle of the left metal connecting sheet 106, a second connecting column 108 is fixedly arranged at the top of the right wiring contact 104, a right metal connecting sheet 109 is fixedly arranged at the top of the second connecting column 108, a contact 110 is fixedly arranged on the surface of the right metal connecting sheet 109, one end of the contact 110 far away from the right metal connecting sheet 109 is movably connected with the inner wall of the contact groove 107, an insulating plate 111 is fixedly mounted at one end of the contact 110 corresponding to the position of the insulating connecting frame 131, a movable rod 120 is fixedly mounted at one end of the insulating plate 111 corresponding to the position of the insulating connecting frame 131, a fixed sleeve 121 penetrates through the inside of the insulating connecting frame 131 corresponding to the position of the movable rod 120, a first piston 122 is fixedly mounted at one end of the movable rod 120 corresponding to the position of the fixed sleeve 121, the first piston 122 is movably connected to the inner wall of the fixed sleeve 121, a first damping spring 123 is fixedly mounted at one end of the first piston 122 far away from the position of the movable rod 120, the first damping spring 123 is fixedly mounted on the inner wall of the fixed sleeve 121, a first connecting pipe 124 is fixedly mounted on the surface of the fixed sleeve 121, a second connecting pipe 125 is fixedly mounted in the middle of the first connecting pipe 124, a piston cylinder 126 is fixedly mounted at one end of the second connecting pipe 125 far away, the inner wall of the piston cylinder 126 is movably connected with a second piston 127, one end of the second piston 127, which is far away from the position of the second connecting pipe 125, is fixedly provided with an expansion link 128, the expansion link 128 is fixedly arranged at one end of the insulating connecting frame 131, which is far away from the position of the insulating plate 111, and the surface of the expansion link 128 is fixedly provided with a second damping spring 129.
The insulating plate 111 is fixedly provided with a connecting plate 112 at one end corresponding to the position of the insulating connecting frame 131, and the inclined plate 113 is fixedly provided at one end of the connecting plate 112 away from the position of the insulating plate 111.
The number of the connection plates 112 is two, and the two connection plates 112 are symmetrically disposed about a horizontal axis of a midpoint of the insulation plate 111.
The middle part of the insulating connecting frame 131 corresponding to the inclined plate 113 is inserted with a protective cover 114, and the connecting plate 112 and the inclined plate 113 are movably connected to the inner wall of the protective cover 114.
An air cylinder 115 is fixedly arranged at one end of the insulating connecting frame 131 corresponding to the position of the insulating plate 111, a driving head 116 is fixedly arranged at an output shaft of the air cylinder 115, the surface of the driving head 116 is tightly attached to one end of the inclined plate 113, the inclined plate 113 is obliquely arranged, the driving head 116 is of a spherical structure, the driving head 116 is driven by the air cylinder 115 to move towards one end of the inclined plate 113, so that the driving head 116 can be tightly attached to the surface of the inclined plate 113, at the moment, the inclined plate 113 is obliquely arranged, the driving head 116 can drive the inclined plate 113 to move towards the inner wall of the protective cover 114 when moving towards one end of the inclined plate 113, so that the inclined plate 113 drives the contact 110 to move towards the inner wall of the contact groove 107 through the connecting plate 112 and the insulating plate 111 until the inclined plate 113 completely enters the inner wall of the protective cover 114, at the moment, the contact 110 drives, and make the contact 110 keep away from the one end of right metal connecting piece 109 and closely laminate with the inner wall of contact groove 107 to can accomplish the work of closing a floodgate, only drive head 116 through cylinder 115 and stretch, can realize closing a floodgate operation, easy operation convenient to use.
An insulating column 117 is fixedly mounted in the middle of the right insulating support column 102, a bearing 118 is fixedly mounted on the surface of the insulating column 117, a connecting block 119 is fixedly mounted on the surface of the bearing 118, and the connecting block 119 is fixedly mounted at the bottom of one end of the insulating connecting frame 131 far away from the position of the left metal connecting sheet 106.
The number of the fixing housings 121 is two, and the insides of both the fixing housings 121 communicate with the inside of the first connection pipe 124, respectively, and the inside of the second connection pipe 125 communicates with the inside of the first connection pipe 124 and the piston cylinder 126, respectively.
The inner wall of the fixed sleeve 121 corresponding to one end of the insulating plate 111 is fixedly provided with a blocking block 130, the movable rod 120 penetrates and extends to two ends of the blocking block 130, and the diameter of the movable rod 120 is smaller than that of the first piston 122.
The movable rod 120 and the fixing sleeve 121 are both arc-shaped structures, and the arc degrees of the movable rod 120 and the fixing sleeve 121 are matched.
The diameter of the first piston 122 is matched with the inner diameter of the fixing sleeve 121, the diameter of the second piston 127 is matched with the inner diameter of the piston cylinder 126, the piston cylinder 126 is located between the two fixing sleeves 121, by arranging the movable rod 120, the fixing sleeves 121, the first piston 122 and the first damping spring 123, when the switch is switched on, the movable rod 120 drives the first piston 122 to extrude the first damping spring 123 on the inner wall of the fixing sleeve 121, when the switch is switched off, the first damping spring 123 drives the contact 110 to be far away from the contact groove 107 through the first piston 122, the movable rod 120 and the insulating plate 111 under the action of resetting and stretching of the first damping spring 123, so that the operation of switching off can be completed, and the first damping spring 123 is matched with the first piston 122, the movable rod 120 and the insulating plate 111 to play a supporting role in switching off of the contact 110.
The working principle is as follows: when the device is used, the contact 110 is driven to rotate towards the inner wall of the contact groove 107 by the rotation of the right insulating support 102 through the second connecting post 108 and the right metal connecting piece 109, and when the contact 110 rotates, the contact 110 drives the insulating plate 111 to approach one end of the insulating connecting frame 131, so that the movable rod 120 drives the first piston 122 to move on the inner wall of the fixed sleeve 121 and press the first damping spring 123, so that air inside the fixed sleeve 121 enters the piston cylinder 126 through the first connecting pipe 124 and the second connecting pipe 125, and the air drives the second piston 127 to press the telescopic rod 128 and the second damping spring 129 on the inner wall of the piston cylinder 126, so that the rotation of the contact 110 can be buffered by the cooperation of the first damping spring 123 with the telescopic rod 128 and the second damping spring 129, and the contact 110 is prevented from impacting the left metal connecting piece 106 and the contact groove 107 greatly when the device is switched on, thereby make the higher mesh of closing a floodgate action stability.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a twin columns rotation type isolator, includes supporting seat (100), its characterized in that: one end of the top of the supporting seat (100) is fixedly connected with a left insulating strut (101), the top of the end, far away from the left insulating strut (101), of the supporting seat (100) is rotatably connected with a right insulating strut (102), the top of the left insulating strut (101) is fixedly connected with a left wiring contact (103), the top of the right insulating strut (102) is fixedly connected with a right wiring contact (104), the top of the left wiring contact (103) is fixedly connected with a first connecting column (105), the top of the first connecting column (105) is fixedly connected with a left metal connecting sheet (106), the middle of the left metal connecting sheet (106) is provided with a contact groove (107), the top of the right wiring contact (104) is fixedly connected with a second connecting column (108), the top of the second connecting column (108) is fixedly connected with a right metal connecting sheet (109), and the surface of the right metal connecting sheet (109) is fixedly connected with a contact (110, and one end of the contact (110) far away from the right metal connecting sheet (109) is movably connected with the inner wall of the contact groove (107), one end of the left metal connecting sheet (106) far away from the contact (110) is fixedly connected with an insulating connecting frame (131), one end of the contact (110) corresponding to the insulating connecting frame (131) is fixedly connected with an insulating plate (111), one end of the insulating plate (111) corresponding to the insulating connecting frame (131) is fixedly connected with a movable rod (120), the inside of the insulating connecting frame (131) corresponding to the movable rod (120) is embedded with a fixed sleeve (121) in a penetrating way, one end of the movable rod (120) corresponding to the fixed sleeve (121) is fixedly connected with a first piston (122), the first piston (122) is movably connected with the inner wall of the fixed sleeve (121), one end of the first piston (122) far away from the movable rod (120) is fixedly connected with a first damping spring (123), and the first damping spring (123) is fixedly connected with the inner wall of the fixed sleeve (121), the surface of the fixed sleeve (121) is fixedly connected with a first connecting pipe (124), the middle part of the first connecting pipe (124) is fixedly connected with a second connecting pipe (125), one end of the second connecting pipe (125) far away from the first connecting pipe (124) is fixedly connected with a piston cylinder (126), and the piston cylinder (126) is fixedly connected with one end of the insulating connecting frame (131) far away from the position of the insulating plate (111), the inner wall of the piston cylinder (126) is movably connected with a second piston (127), one end of the second piston (127) far away from the second connecting pipe (125) is fixedly connected with an expansion rod (128), and the telescopic rod (128) is fixedly connected with one end of the insulating connecting frame (131) far away from the position of the insulating plate (111), and a second damping spring (129) is fixedly connected to the surface of the telescopic rod (128).
2. The dual column rotary isolator of claim 1, wherein: one end of the insulating plate (111) corresponding to the position of the insulating connecting frame (131) is fixedly connected with a connecting plate (112), and one end of the connecting plate (112) far away from the position of the insulating plate (111) is fixedly connected with an inclined plate (113).
3. The dual column rotary isolator of claim 2, wherein: the number of the connecting plates (112) is two, and the two connecting plates (112) are symmetrically arranged around the horizontal axis of the midpoint of the insulating plate (111).
4. A dual column rotary isolator as claimed in claim 3, wherein: the middle part of the position of the insulating connecting frame (131) corresponding to the inclined plate (113) is penetrated and embedded with a protective cover (114), and the connecting plate (112) and the inclined plate (113) are movably connected with the inner wall of the protective cover (114).
5. The dual column rotary isolator of claim 4, wherein: the insulation connection frame is characterized in that an air cylinder (115) is fixedly connected to one end of the insulation connection frame (131) corresponding to the position of the insulation plate (111), a driving head (116) is fixedly connected to an output shaft of the air cylinder (115), the surface of the driving head (116) is tightly attached to one end of the inclined plate (113), the inclined plate (113) is obliquely arranged, and the driving head (116) is of a spherical structure.
6. The dual column rotary isolator of claim 1, wherein: the middle part fixedly connected with insulating post (117) of right side insulating pillar (102), the fixed surface of insulating post (117) is connected with bearing (118), the fixed surface of bearing (118) is connected with connecting block (119), and connecting block (119) fixed connection is in insulating link (131) keep away from the bottom of left metal connection piece (106) position one end.
7. The dual column rotary isolator of claim 1, wherein: the number of the fixed sleeves (121) is two, the interiors of the two fixed sleeves (121) are communicated with the interior of the first connecting pipe (124), and the interior of the second connecting pipe (125) is communicated with the interiors of the first connecting pipe (124) and the piston cylinder (126) respectively.
8. The dual column rotary isolator of claim 1, wherein: the inner wall fixedly connected with of fixed cover (121) corresponding insulation board (111) one end blocks piece (130), movable rod (120) run through and extend to the both ends that block piece (130), the diameter of movable rod (120) is less than the diameter of first piston (122).
9. The dual column rotary isolator of claim 1, wherein: the movable rod (120) and the fixed sleeve (121) are both arc-shaped structures, and the arc degrees of the movable rod (120) and the fixed sleeve (121) are matched.
10. The dual column rotary isolator of claim 1, wherein: the diameter of the first piston (122) is matched with the inner diameter of the fixing sleeve (121), the diameter of the second piston (127) is matched with the inner diameter of the piston cylinder (126), and the piston cylinder (126) is located between the two fixing sleeves (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010488061.2A CN111755280A (en) | 2020-06-02 | 2020-06-02 | Double-column rotary isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010488061.2A CN111755280A (en) | 2020-06-02 | 2020-06-02 | Double-column rotary isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111755280A true CN111755280A (en) | 2020-10-09 |
Family
ID=72674022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010488061.2A Withdrawn CN111755280A (en) | 2020-06-02 | 2020-06-02 | Double-column rotary isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111755280A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242506A (en) * | 2021-11-05 | 2022-03-25 | 河南平高电气股份有限公司 | Quick earthing switch |
-
2020
- 2020-06-02 CN CN202010488061.2A patent/CN111755280A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242506A (en) * | 2021-11-05 | 2022-03-25 | 河南平高电气股份有限公司 | Quick earthing switch |
| CN114242506B (en) * | 2021-11-05 | 2024-05-24 | 河南平高电气股份有限公司 | Quick grounding switch |
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Application publication date: 20201009 |