CN209947733U - Three-station isolation mechanism - Google Patents
Three-station isolation mechanism Download PDFInfo
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- CN209947733U CN209947733U CN201920145212.7U CN201920145212U CN209947733U CN 209947733 U CN209947733 U CN 209947733U CN 201920145212 U CN201920145212 U CN 201920145212U CN 209947733 U CN209947733 U CN 209947733U
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Abstract
The utility model discloses a three-station isolation mechanism, its mechanism main shaft is equipped with an anomalous main shaft cam, keep apart connecting lever connection piece and the equal swing joint main shaft cam of ground connection connecting lever connection piece, drive by rotating isolation operation axle and keep apart initiative connecting lever motion and compression main force spring, main force spring bounce-back promotes to keep apart initiative connecting lever motion and drives and keep apart driven connecting lever rotation, drive isolation connecting lever connection piece and then drive mechanism main shaft rotation by pivoted isolation driven connecting lever, drive ground connection initiative connecting lever motion and compression main force spring by rotating ground connection operation axle, main force spring bounce-back promotes ground connection initiative connecting lever motion and drives ground connection driven connecting lever rotation, drive ground connection connecting lever connection piece and then drive mechanism main shaft rotation by pivoted ground connection driven connecting lever, the great divide-shut brake angle of corresponding isolator, satisfy the requirement of great fracture opening in the high tension switchgear.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a three-station isolation mechanism especially indicates a three-station isolation mechanism who relates to air insulation or the totally closed cubical switchboard of environmental protection gas insulation.
[ background of the invention ]
In a high-voltage power transmission and distribution system, an isolating switch can be used in a switch cabinet and needs a corresponding isolating mechanism to drive the isolating switch, the isolating mechanisms in the current market are mostly provided with isolating positions and grounding positions which have the same opening and closing rotation angles or have small differences, and the rotation angles are small. And the main shaft rotation angle of the mechanism is small, the requirement of large fracture opening distance required by environment-friendly gas insulation such as air, nitrogen and the like in a high-voltage switch cabinet cannot be met, and the condition of mutual contact is easy to occur.
Therefore, there is a need to design a good three-position isolation mechanism to overcome the above problems.
[ Utility model ] content
To the problem that the background art faces, the utility model aims to provide a great divide-shut brake angle that differs of corresponding isolator to satisfy the three-station isolation mechanism that the great fracture opening distance of environmental protection gas insulation requirements such as air, nitrogen gas required among the high tension switchgear required.
In order to achieve the above object, the utility model adopts the following technical means:
a three-station isolation mechanism comprises a mechanism front plate and a mechanism rear plate which are arranged separately from each other, a containing space is arranged between the mechanism front plate and the mechanism rear plate, two ends of an isolation operation shaft, two ends of a mechanism main shaft and two ends of a grounding operation shaft are respectively fixed on the mechanism front plate and the mechanism rear plate, the middle parts of the isolation operation shaft, the mechanism main shaft and the grounding operation shaft are all positioned in the containing space, an isolation driving crank arm and an isolation driven crank arm are all fixed on the isolation operation shaft, an isolation crank arm connecting piece and the isolation driven crank arm are mutually movably connected, one end of the isolation crank arm connecting piece is connected with the isolation driven crank arm, the other end is connected with the mechanism main shaft, a grounding driving crank arm and a grounding driven crank arm are all fixed on the grounding operation shaft, a grounding crank arm connecting piece and the grounding driven crank arm are mutually movably connected, one end of the grounding crank arm connecting piece is connected with the grounding driven crank arm, the other end of the mechanism main shaft is connected with a mechanism main shaft, the mechanism main shaft is provided with an irregular main shaft cam, an isolation crank arm connecting sheet and a grounding crank arm connecting sheet are movably connected with the main shaft cam, a connecting rod for connecting the isolation driving crank arm and the grounding driving crank arm is connected with the mechanism main shaft, a main force spring is sleeved outside the connecting rod, an isolation operating shaft is rotated to drive the isolation driving crank arm to move and compress the main force spring, the main force spring rebounds to push the isolation driving crank arm to move and drive an isolation driven crank arm to rotate, the isolation driven crank arm drives the isolation crank arm connecting sheet and then drives the mechanism main shaft to rotate, the grounding operating shaft is rotated to drive the grounding driving crank arm to move and compress the main force spring, the main force spring rebounds to push the grounding driving crank arm to move and drive the grounding driven crank arm to rotate, and the grounding crank arm is driven by.
Furthermore, four support columns are fixedly arranged between the mechanism front plate and the mechanism rear plate and are respectively positioned on the outer sides of the isolation operation shaft, the mechanism main shaft and the grounding operation shaft.
Furthermore, the isolation driving crank arm is close to the mechanism front plate relative to the isolation driven crank arm, the isolation driving crank arm and the isolation driven crank arm are linked with each other, the grounding driving crank arm is close to the mechanism front plate relative to the grounding driven crank arm, and the grounding driving crank arm and the grounding driven crank arm are linked with each other.
Furthermore, one end of the isolation crank arm connecting sheet is movably fixed on the isolation driven crank arm through a positioning pin, the other end of the isolation crank arm connecting sheet is movably fixed on the mechanism main shaft through a positioning pin, one end of the grounding crank arm connecting sheet is movably fixed on the grounding driven crank arm through a positioning pin, and the other end of the grounding crank arm connecting sheet is movably fixed on the mechanism main shaft through a positioning pin.
Further, the two ends of the isolation connecting lever connecting sheet bend towards the middle close to the accommodating space, and the two ends of the grounding connecting lever connecting sheet bend towards the middle close to the accommodating space.
Furthermore, the isolation connecting lever connecting piece is provided with a first notch, the grounding connecting lever connecting piece is provided with a second notch, one end of the main shaft cam with small width is movably connected with the isolation connecting lever connecting piece and the grounding connecting lever connecting piece, one end of the main shaft cam with large width is connected with the main shaft of the mechanism, the isolation connecting lever connecting piece and the main shaft of the mechanism are driven to rotate, one end of the main shaft cam with large width is close to the first notch until the isolation switch is switched on, the grounding connecting lever connecting piece and the main shaft of the mechanism are driven to rotate, and one end of the main shaft cam with large width is close to the second notch until the grounding.
Furthermore, the isolation operation shaft and the grounding operation shaft are symmetrically arranged relative to the main shaft of the mechanism, the isolation driving crank arm and the grounding driving crank arm are the same in structure and opposite in rotating direction, the isolation driven crank arm and the grounding driven crank arm are the same in structure and opposite in rotating direction, and the isolation crank arm connecting piece and the grounding crank arm connecting piece are the same in structure and opposite in rotating direction.
Compared with the prior art, the utility model discloses following beneficial effect has:
in the three-station isolation mechanism, the isolation driving connecting lever is driven to move and compress the main force spring by rotating the isolation operating shaft, the main force spring rebounds to push the isolation driving connecting lever to move and drive the isolation driven connecting lever to rotate, the isolation driving connecting lever is driven by the rotating isolation driven connecting lever to drive the mechanism spindle to rotate, the grounding driving connecting lever is driven by rotating the grounding operating shaft to move and compress the main force spring, the main force spring rebounds to push the grounding driving connecting lever to move and drive the grounding driven connecting lever to rotate, the grounding driven connecting lever is driven by the rotating grounding driven connecting lever to drive the mechanism spindle to rotate, and the corresponding isolation switches have large differential opening and closing angles through the synchronous rotating linkage structure, so that the requirement of large fracture opening distance of environment-friendly gas insulation requirements such as air, nitrogen and the like in a high-voltage switch cabinet is met, and meanwhile, the three-station isolation mechanism is simple in structure, Small volume and reliable operation.
In addition, the mechanism main shaft is provided with an irregular main shaft cam, the isolating crank arm connecting sheet and the grounding crank arm connecting sheet are movably connected with the main shaft cam, and the collection of the opening and closing signals of the microswitch is realized through the irregular main shaft cam on the mechanism main shaft.
[ description of the drawings ]
FIG. 1 is a front cross-sectional view of the three-position isolation mechanism of the present invention;
FIG. 2 is a side sectional view of the three-position isolation mechanism of the present invention;
FIG. 3 is a schematic view of the opening state of the three-position isolating mechanism of the present invention;
fig. 4 is a schematic diagram of an isolated switching state of the three-station isolation mechanism of the present invention;
fig. 5 is the utility model discloses three station isolation mechanism's ground connection combined floodgate state schematic diagrams.
Detailed description of the embodiments reference is made to the accompanying drawings in which:
mechanism front plate 1 mechanism rear plate 2 containing space 3
Dowel pin 14 spindle cam 15 connecting rod 16
[ detailed description ] embodiments
For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.
Referring to fig. 1 to 3, a three-station isolation mechanism includes a mechanism front plate 1 and a mechanism rear plate 2, which are separately disposed, a receiving space 3 is provided between the mechanism front plate 1 and the mechanism rear plate 2, two ends of an isolation operation shaft 4, two ends of a mechanism main shaft 5, and two ends of a grounding operation shaft 6 are respectively fixed to the mechanism front plate 1 and the mechanism rear plate 2, and middle portions of the isolation operation shaft 4, the mechanism main shaft 5, and the grounding operation shaft 6 are all located in the receiving space 3, four support columns 7 are fixedly disposed between the mechanism front plate 1 and the mechanism rear plate 2, the four support columns 7 are respectively located outside the isolation operation shaft 4, the mechanism main shaft 5, and the grounding operation shaft 6, that is, the four support columns 7 are respectively located at four corners of the mechanism front plate 1 and the mechanism rear plate 2, so that the fixing force can be balanced.
Referring to fig. 1 to 3, an isolation driving connecting lever 8 and an isolation driven connecting lever 9 are both fixed on the isolation operating shaft 4, an isolation connecting lever connecting piece 10 is movably connected with the isolation driven connecting lever 9, one end of the isolation connecting lever connecting piece 10 is connected with the isolation driven connecting lever 9, and the other end is connected with the mechanism main shaft 5. Keep apart initiative connecting lever 8 and keep apart driven connecting lever 9 relatively and be close to mechanism front bezel 1, keep apart initiative connecting lever 8 and keep apart and link each other between the driven connecting lever 9, keep apart the one end of connecting lever connection piece 10 and be fixed in by a locating pin 14 activity and keep apart driven connecting lever 9, the other end is fixed in mechanism main shaft 5 by a locating pin 14 activity, keeps apart the both ends of connecting lever connection piece 10 and buckles towards the centre that is close to accommodation space 3.
Referring to fig. 1 to 3, a grounding driving crank arm 11 and a grounding driven crank arm 12 are both fixed on the grounding operating shaft 6, a grounding crank arm connecting piece 13 is movably connected with the grounding driven crank arm 12, one end of the grounding crank arm connecting piece 13 is connected with the grounding driven crank arm 12, and the other end is connected with the mechanism main shaft 5. The grounding driving crank arm 11 is close to the mechanism front plate 1 relative to the grounding driven crank arm 12, the grounding driving crank arm 11 and the grounding driven crank arm 12 are linked with each other, one end of the grounding crank arm connecting piece 13 is movably fixed on the grounding driven crank arm 12 through a positioning pin 14, the other end of the grounding crank arm connecting piece is movably fixed on the mechanism main shaft 5 through a positioning pin 14, and two ends of the grounding crank arm connecting piece 13 bend towards the middle of the containing space 3.
Referring to fig. 1 to 3, the isolation operation shaft 4 and the grounding operation shaft 6 are symmetrically arranged relative to the mechanism main shaft 5, the isolation driving crank arm 8 and the grounding driving crank arm 11 have the same structure and the opposite rotation directions, the isolation driven crank arm 9 and the grounding driven crank arm 12 have the same structure and the opposite rotation directions, and the isolation crank arm connecting piece 10 and the grounding crank arm connecting piece 13 have the same structure and the opposite rotation directions, so that the operation is simple and convenient, and the structure is the same, the mass production is facilitated during the processing, and the production cost is reduced.
Referring to fig. 1 to 3, the mechanism spindle 5 is provided with an irregular spindle cam 15, and the isolating crank arm connecting piece 10 and the grounding crank arm connecting piece 13 are movably connected with the spindle cam 15. The mechanism main shaft 5 is provided with an irregular main shaft cam 15, the isolating crank arm connecting piece 10 and the grounding crank arm connecting piece 13 are movably connected with the main shaft cam 15, and the collection of the opening and closing signals of the microswitch is realized through the irregular main shaft cam 15 on the mechanism main shaft 5. Keep apart connecting lever connection piece 10 and be equipped with a first breach 101, connecting lever connection piece 10 is kept apart to the little one end swing joint of main shaft cam 15 width, the big one end coupling mechanism main shaft 5 of main shaft cam 15 width, by keeping apart connecting lever connection piece 10 and then drive mechanism main shaft 5 and rotate, the big one end of main shaft cam 15 width is close to each other until isolator closes a floodgate with first breach 101, make the great divide-shut brake angle that differs of corresponding isolator, thereby satisfy the requirement of the great fracture opening distance of environmental protection gas insulation requirements such as air, nitrogen gas in the high tension switchgear. The grounding connecting lever connecting sheet 13 is provided with a second notch 131, one end of the main shaft cam 15 with small width is movably connected with the grounding connecting lever connecting sheet 13, the grounding connecting lever connecting sheet 13 further drives the mechanism main shaft 5 to rotate, one end of the main shaft cam 15 with large width and the second notch 131 are close to each other until the grounding switch is switched on, so that the corresponding isolating switch has large differential switching-on and switching-off angles, and the requirement of large fracture opening distance of the insulation requirements of environment-friendly gases such as air and nitrogen in a high-voltage switch cabinet is met.
Referring to fig. 1 to 3, a connecting rod 16 connecting the isolation driving connecting lever 8 and the grounding driving connecting lever 11 is provided with a main force spring 17, the isolation driving connecting lever 8 is driven to move and compress the main force spring 17 by rotating the isolation operating shaft 4, the main force spring 17 rebounds to push the isolation driving connecting lever 8 to move and drive the isolation driven connecting lever 9 to rotate, the isolation driven connecting lever 9 drives the isolation connecting lever 10 and then the mechanism spindle 5 to rotate, the grounding driving connecting lever 11 is driven to move and compress the main force spring 17 by rotating the grounding operating shaft 6, the main force spring 17 rebounds to push the grounding driving connecting lever 11 to move and drive the grounding driven connecting lever 12 to rotate, and the grounding driven connecting lever 12 drives the grounding connecting lever 13 and then the mechanism spindle 5 to rotate.
Referring to fig. 4, an isolated closing state is shown, specifically: when the three-station isolation mechanism is in a brake-off state, the isolation operation shaft 4 is operated by the operation handle to rotate clockwise, the isolation driving connecting lever 8 rotates together with the isolation driving connecting lever, the main force spring 17 can be compressed, after the main force spring 17 is compressed to the shortest position, the main force spring 17 starts to rebound under the spring force action of the main force spring 17, the isolation driving connecting lever 8 is further pushed to rotate rapidly along the isolation operation shaft 4, and at the moment, the isolation driving connecting lever 8 drives the isolation driven connecting lever 9 to rotate clockwise. The isolation driven crank arm 9 drives the mechanism spindle 5 to rotate clockwise through the isolation crank arm connecting sheet 10, and at the moment, the three-station isolation mechanism is in an isolation switching-on state. And the process of isolating the switch-off is opposite to the process of isolating the switch-on.
Referring to fig. 5, a grounding and closing state is shown, specifically: when the three-station isolation mechanism is in a brake-off state, the grounding operation shaft 6 is operated by the operation handle to rotate anticlockwise, the grounding driving connecting lever 11 rotates together, the main force spring 17 can be compressed, after the main force spring 17 is compressed to the shortest position, the main force spring 17 starts to rebound under the spring force action of the main force spring 17, the grounding driving connecting lever 11 is further pushed to rotate quickly along the grounding operation shaft 6, and at the moment, the grounding driving connecting lever 11 drives the grounding driven connecting lever 12 to rotate anticlockwise. The grounding driven crank arm 12 drives the mechanism main shaft 5 to rotate anticlockwise through the grounding crank arm connecting sheet 13, and at the moment, the three-station isolation mechanism is in a grounding closing state. And the process of grounding opening is opposite to that of grounding closing.
Referring to fig. 1 to 3, in the three-station isolation mechanism, the isolation driving connecting lever 8 is driven by rotating the isolation operating shaft 4 to move and compress the main force spring 17, the main force spring 17 rebounds to push the isolation driving connecting lever 8 to move and drive the isolation driven connecting lever 9 to rotate, the isolation driven connecting lever 9 is driven by the rotating isolation driving connecting lever 10 and then drive the mechanism spindle 5 to rotate, the grounding driving connecting lever 11 is driven by rotating the grounding operating shaft 6 to move and compress the main force spring 17, the main force spring 17 rebounds to push the grounding driving connecting lever 11 to move and drive the grounding driven connecting lever 12 to rotate, the grounding driven connecting lever 12 is driven by the rotating grounding driving connecting lever 13 and then drive the mechanism spindle 5 to rotate, and the corresponding isolation switches have larger different opening and closing angles through the synchronous rotating linkage structure, so as to meet the requirement of air opening and closing angles in the high-voltage switch cabinet, The requirement of a larger fracture opening distance required by environment-friendly gas insulation such as nitrogen and the like, and meanwhile, the three-station isolation mechanism has the advantages of simple structure, small size and reliable operation.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes applying the present specification and the drawings are included in the scope of the present invention.
Claims (7)
1. A three-station isolation mechanism is characterized by comprising: a mechanism front plate and a mechanism rear plate which are arranged separately from each other, a containing space is arranged between the mechanism front plate and the mechanism rear plate, two ends of an isolation operation shaft, two ends of a mechanism main shaft and two ends of a grounding operation shaft are respectively fixed on the mechanism front plate and the mechanism rear plate, the middle parts of the isolation operation shaft, the mechanism main shaft and the grounding operation shaft are all positioned in the containing space, an isolation driving crank arm and an isolation driven crank arm are all fixed on the isolation operation shaft, an isolation crank arm connecting sheet and the isolation driven crank arm are mutually movably connected, one end of the isolation crank arm connecting sheet is connected with the isolation driven crank arm, the other end is connected with the mechanism main shaft, a grounding driving crank arm and a grounding driven crank arm are both fixed on the grounding operation shaft, a grounding crank arm connecting sheet and the grounding driven crank arm are mutually movably connected, one end of the grounding crank arm connecting sheet is connected with the grounding driven crank arm, the other end is connected with the, the mechanism main shaft is provided with a main shaft cam, an isolation crank arm connecting sheet and a grounding crank arm connecting sheet are movably connected with the main shaft cam, a connecting rod for connecting the isolation driving crank arm and the grounding driving crank arm is sleeved with a main force spring, an isolation operating shaft is rotated to drive the isolation driving crank arm to move and compress the main force spring, the main force spring rebounds to push the isolation driving crank arm to move and drive an isolation driven crank arm to rotate, the isolation crank arm connecting sheet is driven by the rotated isolation driven crank arm to drive the mechanism main shaft to rotate, the grounding driving crank arm is driven by rotating the grounding operating shaft to move and compress the main force spring, the main force spring rebounds to push the grounding driving crank arm to move and drive the grounding driven crank arm to rotate, and the grounding crank arm connecting sheet is driven by the rotated grounding driven crank arm to drive the mechanism main shaft to rotate.
2. The three-station isolation mechanism of claim 1, wherein: four supporting columns are fixedly arranged between the mechanism front plate and the mechanism rear plate and are respectively positioned on the outer sides of the isolation operation shaft, the mechanism main shaft and the grounding operation shaft.
3. The three-station isolation mechanism of claim 1, wherein: the isolation driving crank arm is close to the mechanism front plate relative to the isolation driven crank arm, the isolation driving crank arm and the isolation driven crank arm are linked with each other, the grounding driving crank arm is close to the mechanism front plate relative to the grounding driven crank arm, and the grounding driving crank arm and the grounding driven crank arm are linked with each other.
4. The three-station isolation mechanism of claim 1, wherein: one end of the isolation connecting lever connecting piece is movably fixed on the isolation driven connecting lever by a positioning pin, the other end of the isolation connecting lever connecting piece is movably fixed on the mechanism main shaft by a positioning pin, one end of the grounding connecting lever connecting piece is movably fixed on the grounding driven connecting lever by a positioning pin, and the other end of the grounding connecting lever connecting piece is movably fixed on the mechanism main shaft by a positioning pin.
5. The three-station isolation mechanism of claim 1, wherein: the two ends of the isolation connecting lever connecting piece bend towards the middle close to the accommodating space, and the two ends of the grounding connecting lever connecting piece bend towards the middle close to the accommodating space.
6. The three-station isolation mechanism of claim 5, wherein: the isolation connecting lever connecting piece is provided with a first notch, the grounding connecting lever connecting piece is provided with a second notch, one end with small width of the main shaft cam is movably connected with the isolation connecting lever connecting piece and the grounding connecting lever connecting piece, one end with large width of the main shaft cam is connected with the main shaft of the mechanism, the isolation connecting lever connecting piece and the main shaft of the mechanism are driven to rotate, one end with large width of the main shaft cam is close to the first notch until the isolation switch is switched on, the grounding connecting lever connecting piece and the main shaft of the mechanism are driven to rotate, and one end with large width of the main shaft cam is close to the second notch until.
7. The three-station isolation mechanism of claim 1, wherein: the isolation operation shaft and the grounding operation shaft are symmetrically arranged relative to the mechanism main shaft, the isolation driving crank arm and the grounding driving crank arm are structurally the same and rotate in opposite directions, the isolation driven crank arm and the grounding driven crank arm are structurally the same and rotate in opposite directions, and the isolation crank arm connecting piece and the grounding crank arm connecting piece are structurally the same and rotate in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145212.7U CN209947733U (en) | 2019-01-28 | 2019-01-28 | Three-station isolation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145212.7U CN209947733U (en) | 2019-01-28 | 2019-01-28 | Three-station isolation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209947733U true CN209947733U (en) | 2020-01-14 |
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ID=69122321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920145212.7U Active CN209947733U (en) | 2019-01-28 | 2019-01-28 | Three-station isolation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209947733U (en) |
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2019
- 2019-01-28 CN CN201920145212.7U patent/CN209947733U/en active Active
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Effective date of registration: 20200722 Address after: 3-7 / F, building 10a, Shiwei datianyang Industrial Zone, Jiangshi community, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Co-patentee after: Anheng Intelligent Technology Co.,Ltd. Patentee after: SHENZHEN LANHOPE ELECTRONICS Co.,Ltd. Address before: 518000 Gongming Street, Guangming New District, Shenzhen City, Guangdong Province, Shiwei Datianyang Industrial Zone, 10A Building, 3-7 Floors (Blue Hope) Co-patentee before: GUANGDONG ANTHEN IRON TOWER & STEEL STRUCTURE Co.,Ltd. Patentee before: SHENZHEN LANHOPE ELECTRONICS Co.,Ltd. |