CN217306344U - Grounding isolation operation interlocking structure of three-station isolation mechanism - Google Patents
Grounding isolation operation interlocking structure of three-station isolation mechanism Download PDFInfo
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- CN217306344U CN217306344U CN202221111357.3U CN202221111357U CN217306344U CN 217306344 U CN217306344 U CN 217306344U CN 202221111357 U CN202221111357 U CN 202221111357U CN 217306344 U CN217306344 U CN 217306344U
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- isolation
- hole cover
- shifting plate
- blocking surface
- interlocking structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The utility model discloses a ground connection isolation operation interlocking structure of three station isolation mechanisms, wherein, dial the board including isolation operation axle, ground connection operation axle and handhole door, be equipped with on the front end of isolation operation axle with the first tapered end of isolation operation axle linkage, be equipped with on the front end of ground connection operation axle with the second tapered end of ground connection operation axle linkage, the handhole door dials the board and is located the front side and the horizontal side-to-side motion of isolation operation axle, ground connection operation axle, the motion trail of handhole door dial plate and the rotation trail of first tapered end have the intersection, the motion trail of handhole door dial plate and the rotation trail of second tapered end have the intersection; the utility model discloses simple structure, simple to operate, stable in structure, interlocking are effectual.
Description
Technical Field
The utility model relates to a three station isolation mechanism's ground connection is kept apart operation interlocking structure.
Background
In the operation process of the three-station isolation mechanism, strict regulations are provided, and safety accidents can occur if the opening and closing operations are not performed according to the specified sequence. Therefore, the industry has strict requirements for five preventions. Present isolation mechanism all adopts interlocking structure to realize the interlocking in operation process, but current interlocking structure is complicated, loaded down with trivial details, leads to the unit mount inconvenient, so urgently need a simple structure, stable interlocking structure to realize the interlocking effect.
Disclosure of Invention
The utility model discloses the main technical problem who solves provides a three station isolation mechanism's ground connection isolation operation interlocking structure.
The utility model discloses the technical scheme who solves its technical problem and adopt is: the utility model provides a three station isolation mechanism's ground connection isolation operation interlocking structure, wherein, including keeping apart the operating axis, ground connection operating axis and handhole door are dialled the board, be equipped with on the front end of keeping apart the operating axis with the first tapered end of keeping apart the operating axis linkage, be equipped with on the front end of ground connection operating axis with the second tapered end of ground connection operating axis linkage, the handhole door is dialled the board and is located the operating axis of keeping apart, the front side and the horizontal side-to-side motion of ground connection operating axis, the orbit of handhole door dial board and the rotation orbit of first tapered end have the intersection, the orbit of handhole door dial board and the rotation orbit of second tapered end have the intersection.
This kind of structure sets up, in normal operation process, first tapered end and second tapered end do not block the motion of handhole door dial plate, the handhole door dial plate can normally level the removal wantonly this moment, when removing the handhole door dial plate, make the handhole door dial plate not restrict first tapered end and rotate, at this moment, rotate first tapered end, the operation of isolation operating axis has been realized, first tapered end after the rotation is located the motion track of handhole door dial plate, the handhole door dial plate can only move towards ground connection operating axis direction this moment, and the rotation of second tapered end has been restricted, at this moment, the unable action of ground connection operating axis, only resume the separating brake state with the isolation operating axis, just can operate ground connection operating axis, and in the same way, when the second tapered end rotates, the isolation operating axis also can't realize rotating this moment, interlocking effect between the two has been realized. The interlocking mechanism has the characteristics of simple structure, convenience in installation, stable structure, good interlocking effect and the like.
The first lock head is provided with a first horizontal plane and a first blocking surface, the second lock head is provided with a second horizontal plane and a second blocking surface, and the rotating track of the first blocking surface and the rotating track of the second blocking surface are intersected with the moving track of the hole cover shifting plate respectively.
Through the cooperation of horizontal plane and blocking face, realized the effect of interlocking, further improve holistic operating stability.
Wherein, the first blocking surface and the second blocking surface are cambered surfaces.
Due to the arrangement of the cambered surfaces, the effect of blocking and limiting is further improved, and the locking strength during interlocking is improved.
The first blocking surface and the second blocking surface are trapezoidal surfaces.
The trapezoidal surface further improves the whole locking strength and has the effect that the surface is abutted to the surface.
The hole cover shifting plate is provided with a waist-shaped hole, and the guide piece slides in the waist-shaped hole.
The arrangement of the guide piece is adopted, so that the hole cover shifting plate is smoother and more stable in the horizontal sliding process, and a certain guide effect is achieved.
Wherein, the two ends of the hole cover shifting plate are provided with notches.
The setting of breach has realized certain effect of dodging, and the handhole door dial plate only needs the motion short distance, and first tapered end and second tapered end can realize rotating the effect.
Wherein, two limiting parts are arranged on the hole cover shifting plate.
The setting of spacing portion for realize the interlocking with other interlocking structure, improve holistic protection level.
Wherein, the hole cover shifting plate is provided with a padlock part which is provided with a padlock hole.
The arrangement of the hanging lock part further improves the overall protection level, and after the hole cover shifting plate slides to a designated position, the locking effect of the hole cover shifting plate is realized through locking, so that misoperation is prevented.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view of an isolation state in embodiment 1 of the present invention;
fig. 3 is a schematic view of the separation and reunion state in embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a ground connection state in embodiment 1 of the present invention;
fig. 5 is a schematic view of the isolation state in embodiment 2 of the present invention.
Detailed Description
Example 1:
referring to fig. 1-4, a grounding isolation operation interlocking structure of a three-station isolation mechanism comprises an isolation operation shaft 1, a grounding operation shaft 2 and a hole cover shifting plate 3.
Isolation mechanism all is located whole casing in this embodiment, is equipped with the panel on the casing front end, is equipped with the through-hole that corresponds with isolation operation axle 1, ground connection operation axle 2 on the panel, and operating handle can pass the panel and stretch into to the casing in, realizes the effect of divide-shut brake operation. The hole cover shifting plate 3 is also positioned on the inner side of the panel, and moves left and right horizontally relative to the panel, and the padlock part 35 in the hole cover shifting plate 3 penetrates out of the shell from the panel, so that the whole installation and fixation effect is realized, and the panel is the prior art, so the panel is not shown in the attached drawings.
The rear end of the isolation operation shaft 1 is matched with the isolation switch to realize the switching-on and switching-off effect of the isolation switch, and the prior art is used here, so the description is not provided in this embodiment. The front end of the isolation operation shaft 1 is provided with a first lock head 11 linked with the isolation operation shaft 1, the first lock head 11 extends towards the front end in the axial direction, and the length of the first lock head 11 can be adjusted according to actual requirements. The first lock head 11 is provided with a first horizontal plane 111 and a first blocking surface 112, and the first horizontal plane 111 and the first blocking surface 112 are connected to form a segment shape, preferably a semicircle. Namely, the axis of the isolating operation shaft 1 and the first horizontal plane 111 form an intersection point, which is the center of the cross section. It should be further described herein that a first driving portion 12 is disposed on the isolation operation shaft 1, the first driving portion 12 is located near the first lock head 11, the first driving portion 12 is used for cooperating with the operation handle to achieve an effect of the operation handle driving the isolation operation shaft 1 to move, the first driving portion 12 is preferably a regular hexagonal prism, and a length of the first driving portion 12 can be adjusted according to actual requirements. The isolated operation shaft 1 is located on the left side of the whole, and the grounded operation shaft 2 is located on the right side.
The rear end of the grounding operation shaft 2 is matched with the grounding switch to realize the opening and closing effect of the grounding switch, which is the prior art, and therefore, the description is not provided in this embodiment. The front end of the grounding operation shaft 2 is provided with a second lock head 21 linked with the grounding operation shaft 2, the second lock head 21 extends towards the front end in the axial direction, and the length of the second lock head 21 can be adjusted according to actual requirements. The second lock 21 is provided with a second horizontal plane 211 and a second blocking surface 212, and the second horizontal plane 211 and the second blocking surface 212 are connected to form a segment, preferably a semicircle. That is, the axis of the grounding operation shaft 2 and the second horizontal plane 211 form an intersection point, which is the center of the cross section. It should be further noted that, the grounding operation shaft 2 is provided with a second driving portion 22, the second driving portion 22 is located near the second lock head 21, the second driving portion 22 is used for cooperating with the operation handle to achieve the effect that the operation handle drives the grounding operation shaft 2 to move, the second driving portion 22 is preferably a regular hexagonal prism, and the length of the second driving portion 22 can be adjusted according to actual requirements.
The hole cover shifting plate 3 is a flat plate and horizontally slides left and right relative to the panel, at least one guide 4 is arranged on the panel, a waist-shaped hole 31 corresponding to the guide 4 is arranged on the hole cover shifting plate 3, and the guide 4 slides in the waist-shaped hole 31. By adopting the guide piece 4, the hole cover shifting plate 3 is smoother and more stable in the horizontal sliding process, and a certain guide effect is achieved. In the present embodiment, the number of the guide members 4 is preferably two, and the two guide members 4 are symmetrically arranged.
The both ends of handhole door dial plate 3 also have the symmetry to set up, all are equipped with breach 32 and spacing portion 33 on the both ends of handhole door dial plate 3, and breach 32 is located the terminal surface, and spacing portion 33 is nearer apart from handhole door dial plate 3 center for breach 32. When the interlocking effect is realized, the side wall of the notch 32 is abutted against the lock head, so that the effect of limiting and locking is realized. The limiting part 33 is used for realizing interlocking with other interlocking structures, and the overall protection grade is improved.
The hole cover shifting plate 3 is further provided with a hanging lock portion 35, the hanging lock portion 35 is vertically connected with the hole cover shifting plate 3, the hanging lock portion 35 penetrates through the panel and extends out of the panel, and an operator can manually operate the hanging lock portion 35, so that horizontal left-right movement of the hole cover shifting plate 3 is achieved. Further, a padlock hole 351 is provided in the padlock portion 35. The arrangement of the hanging lock part 35 further improves the overall protection level, and after the hole cover shifting plate 3 slides to a designated position, the locking effect between the hole cover shifting plate 3 and the panel is realized through locking, so that misoperation is prevented.
The movement track of the hole cover shifting plate 3 is intersected with the rotation track of the first lock head 11, and the movement track of the hole cover shifting plate 3 is intersected with the rotation track of the second lock head 21.
When the isolation operation shaft 1 and the grounding operation shaft 2 are both in the open state, as shown in fig. 2, the first horizontal plane 111 of the first lock head 11 is disposed toward the hole cover dial plate 3, and the second horizontal plane 211 of the second lock head 21 is also disposed toward the hole cover dial plate 3, in this state, the hole cover dial plate 3 can move horizontally and leftwards at will, and an operator can operate the isolation operation shaft 1 or the grounding operation shaft 2 at will.
At this moment, the hole cover shifting plate 3 is shifted to the right, the first lock head 11 has no limiting effect of the hole cover shifting plate 3, and at this moment, the isolation operation shaft 1 rotates clockwise through the operation handle, so that the isolation switch is in a closing state. As shown in fig. 3, the first blocking surface 112 rotates to a position facing the left end gap 32 of the hole cover dial plate 3, that is, the first blocking surface 112 is located on the motion track of the left end of the hole cover dial plate 3, when the first blocking surface 112 abuts against the edge of the left end gap 32, the other end of the hole cover dial plate 3 blocks the grounding operation shaft 2, at this moment, the hole cover dial plate 3 cannot move left, that is, the operation of the grounding operation shaft 2 cannot be realized, and the hole cover dial plate 3 can only be dialed right to operate the isolation operation shaft 1, thereby forming the function of preventing misoperation.
When the isolation operation shaft 1 and the grounding operation shaft 2 are both in the opening state, at the moment, the hole cover shifting plate 3 is shifted leftwards, the second lock head 21 has no limiting effect of the hole cover shifting plate 3, and at the moment, the grounding operation shaft 2 rotates anticlockwise through the operation handle, so that the grounding switch is in the closing state. As shown in fig. 4, the second blocking surface 212 rotates to a position facing the right end notch 32 of the hole cover dial plate 3, that is, the second blocking surface 212 is located on the motion track of the right end of the hole cover dial plate 3, when the second blocking surface 212 abuts against the edge of the right end notch 32, the other end of the hole cover dial plate 3 blocks the isolation operation shaft 1, at this moment, the hole cover dial plate 3 cannot move to the right, that is, the operation of the isolation operation shaft 1 cannot be realized, and only the hole cover dial plate 3 can be dialed to the left to operate the grounding operation shaft 2, thereby forming the function of preventing misoperation.
Example 2:
referring to fig. 5, embodiment 2 is different from embodiment 1 in that the first and second blocking surfaces 112 and 212 are trapezoidal surfaces. The trapezoidal surface further improves the integral locking strength and forms the effect that the surface is propped against the surface.
Claims (8)
1. The utility model provides a three station isolation mechanism's ground connection isolation operation interlocking structure which characterized in that: the front end of the isolation operating shaft is provided with a first lock head linked with the isolation operating shaft, the front end of the grounding operating shaft is provided with a second lock head linked with the grounding operating shaft, the hole cover shifting plate is located on the front side of the isolation operating shaft and the front side of the grounding operating shaft and moves horizontally left and right, the movement track of the hole cover shifting plate is intersected with the rotation track of the first lock head, and the movement track of the hole cover shifting plate is intersected with the rotation track of the second lock head.
2. The ground isolation operation interlocking structure of the three-position isolation mechanism as claimed in claim 1, wherein: the first lock head is provided with a first horizontal plane and a first blocking surface, the second lock head is provided with a second horizontal plane and a second blocking surface, and the rotating track of the first blocking surface and the rotating track of the second blocking surface are intersected with the moving track of the hole cover shifting plate respectively.
3. The ground isolation operation interlocking structure of the three-position isolation mechanism as claimed in claim 2, wherein: the first blocking surface and the second blocking surface are cambered surfaces.
4. The ground isolation operation interlock structure of a three-position isolation mechanism as claimed in claim 2, wherein: the first blocking surface and the second blocking surface are trapezoidal surfaces.
5. The ground isolation operation interlocking structure of the three-position isolation mechanism as claimed in claim 1, wherein: the hole cover shifting plate is provided with a waist-shaped hole, and the guide piece slides in the waist-shaped hole.
6. The ground isolation operation interlocking structure of the three-position isolation mechanism as claimed in claim 1, wherein: the two ends of the hole cover shifting plate are provided with notches.
7. The ground isolation operation interlocking structure of the three-position isolation mechanism as claimed in claim 1, wherein: two limiting parts are arranged on the hole cover shifting plate.
8. The ground isolation operation interlocking structure of the three-position isolation mechanism as claimed in claim 1, wherein: the hole cover shifting plate is provided with a padlock part which is provided with a padlock hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221111357.3U CN217306344U (en) | 2022-05-09 | 2022-05-09 | Grounding isolation operation interlocking structure of three-station isolation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221111357.3U CN217306344U (en) | 2022-05-09 | 2022-05-09 | Grounding isolation operation interlocking structure of three-station isolation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217306344U true CN217306344U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221111357.3U Active CN217306344U (en) | 2022-05-09 | 2022-05-09 | Grounding isolation operation interlocking structure of three-station isolation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217306344U (en) |
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2022
- 2022-05-09 CN CN202221111357.3U patent/CN217306344U/en active Active
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