CN109767940B - Double acting explosion chamber initiative portion assembly fixture - Google Patents
Double acting explosion chamber initiative portion assembly fixture Download PDFInfo
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- CN109767940B CN109767940B CN201711099620.5A CN201711099620A CN109767940B CN 109767940 B CN109767940 B CN 109767940B CN 201711099620 A CN201711099620 A CN 201711099620A CN 109767940 B CN109767940 B CN 109767940B
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- 238000004880 explosion Methods 0.000 title claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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Abstract
The invention relates to a double-acting arc extinguish chamber active part assembling tool which comprises a base, wherein a positioning support part for horizontally supporting and placing a contact part of an active part is arranged on the base, the positioning support part is provided with a positioning line for aligning with the central line of the contact part, the direction corresponding to the extending direction of the active part of the arc extinguish chamber on the base is defined as the left-right direction, a first positioning pin for positioning and inserting with a pull rod pin hole and a second positioning pin for positioning and inserting with a connecting block pin hole are correspondingly arranged on the left side and the right side of the positioning support part on the base, the first positioning pin and the second positioning pin are arranged in parallel, and the central lines of the two positioning pins are arranged in a coplanar. The first positioning pin and the second positioning pin which are arranged in a coplanar manner with the positioning line are utilized, the alignment assembly of the nozzle connecting block and the pull rod is effectively guaranteed, the pull rod pin hole and the connecting block pin hole are aligned in parallel, the good alignment of the arc extinguish chamber is effectively guaranteed, and the action is smooth.
Description
Technical Field
The invention relates to a double acting arc extinguish chamber active part assembling tool.
Background
With the development of circuit breakers, arc chutes have come in various forms to satisfy the breaking performance of circuit breakers, and common arc chute structures include a single-acting type and a double-acting type. The single-acting type arc extinguish chamber transmission structure refers to that only the moving contact of the arc extinguish chamber moves when the arc extinguish chamber is switched on and switched off, the double-acting type arc extinguish chamber transmission structure refers to that not only the moving contact of the arc extinguish chamber moves but also the static contact of the arc extinguish chamber moves when the arc extinguish chamber is switched on and switched off, and the moving directions of the static contact and the moving contact are opposite. The requirement of the single-acting type arc extinguish chamber circuit breaker on the switching speed is high, so that the single-acting type arc extinguish chamber circuit breaker has the problems of large operation power, large size and high cost. On the premise of the same breaking performance, the double-acting arc extinguish chamber circuit breaker is low in opening speed, small in size and low in cost.
The existing common double-acting arc extinguish chamber structure is a double-acting high-voltage sulfur hexafluoride breaker self-energy arc extinguish chamber disclosed in application publication No. CN103531410A, and comprises an upper contact system and a lower contact system which are matched with each other, wherein a pull rod in the lower contact system is provided with a contact part and a nozzle, the contact part generally comprises a main contact part and an arc contact part, one end of the pull rod, which is far away from the nozzle, is hinged with an insulating pull rod and is in transmission connection with a driving crank arm through the insulating pull rod, and the end part of the nozzle is in transmission connection with an upper contact in the upper contact system through a link mechanism. The connecting rod mechanism comprises a driving rod fixedly arranged at the corresponding end part of the nozzle along the reciprocating motion direction of the lower contact system, and the driving rod drives the upper contact system to correspondingly reciprocate through the driven part. The connecting rod mechanism structure with the driving rod moving in a reciprocating and direct mode is difficult to guarantee in motion precision and large in occupied size. In the prior art, another double-acting arc extinguish chamber exists, an internal link mechanism adopts a double-acting arc extinguish chamber transmission mechanism disclosed in the publication No. CN202855623U, and includes two sets of pull rod transmission mechanisms, each set of pull rod transmission mechanism includes a pull rod, a reverse pull rod and a reversing rod, one end of the reversing rod is hinged to the pull rod, and the other end is hinged to the reverse pull rod, one end of the pull rod, which is far away from the reversing rod, is movably connected to a driving side of the arc extinguish chamber, and one end of the reverse pull rod, which is far away from the reversing rod, is movably connected to a driven side of the arc extinguish chamber. In the pull rod transmission structure, the integral structure of the transmission structure is simplified, the assembly precision is improved, and the integral volume of the pull rod structure is reduced by utilizing the hinged assembly of the pull rod and the driving side.
Generally, the active part of the arc extinguish chamber mainly comprises a movable contact part, a pull rod and a nozzle, wherein the contact part comprises an expansion chamber, a gas compression chamber, an arc contact, a main contact and the like which are integrally arranged, and a corresponding nozzle connecting block is usually arranged on the nozzle and used for hinging and assembling a corresponding active pull rod. Corresponding pin shaft mounting holes can be formed in the nozzle connecting block so that the driving pull rod can be conveniently mounted. The pull rod and the nozzle connecting block are actually positioned on two sides of the movable contact part and the nozzle, and pin shaft mounting holes are respectively formed in the pull rod and the nozzle connecting block and used for mounting corresponding hinged pin shafts. When the movable nozzle connecting block is installed, the manual alignment debugging is needed to ensure that the pin shaft installing hole in the nozzle connecting block is parallel to the pin shaft installing hole in the pull rod and is coplanar with the central axis of the pull rod, and the pin shaft installing hole in the nozzle connecting block is coplanar with the central line of the contact part, and then the nozzle connecting block is fixedly installed on the nozzle. Because the adjustment is adjusted well to needs the manual work, adjust well the precision and rely on workman's experience completely, be difficult to guarantee the assembly precision, assembly efficiency is lower.
Disclosure of Invention
The invention aims to provide an assembling tool for an active part of a double-acting arc extinguish chamber, which aims to solve the technical problem of low assembling efficiency caused by manually aligning and assembling a nozzle connecting block in the prior art.
In order to achieve the purpose, the technical scheme of the assembling tool for the active part of the double acting arc extinguish chamber provided by the invention is as follows: the utility model provides a double acting explosion chamber initiative portion matched stack frock, which comprises a base, be equipped with on the base and be used for the level to support the location supporting part of placing initiative portion contact part, the location supporting part has and is used for the location line of adjusting well with contact part central line, with the orientation definition that corresponds with explosion chamber initiative portion extending direction on the base for left right side direction, on the base in the location supporting part about both sides correspond be equipped with be used for with the first locating pin of pull rod pinhole location grafting and be used for with the second locating pin of connecting block pinhole location grafting, first locating pin and second locating pin are arranged in parallel, the central line of two locating pins with the location line coplane is arranged.
The base is provided with a first supporting seat, and the first supporting seat is provided with a first supporting surface for supporting the pull rod of the driving part.
The first support seat is provided with a first central hole which is used for being aligned with the pull rod pin hole so as to position the first positioning pin in a detachable insertion mode.
The base is provided with a pull rod positioning hole for positioning and inserting the first positioning pin so as to position the pull rod through the first positioning pin.
The first positioning pin is arranged on the base in a position-adjustable manner along the left-right direction.
And a second supporting seat is arranged on the base, and a second supporting surface for supporting the nozzle connecting block of the driving part is arranged on the second supporting seat.
And a second center hole which is used for aligning with the pin hole of the connecting block so as to position the second positioning pin in a detachable insertion manner is formed in the second supporting seat.
The base is provided with a positioning long hole extending along the left-right direction corresponding to the second supporting seat, and the second supporting seat is movably assembled in the positioning long hole along the left-right direction in an adjustable position.
The second bearing surface is an annular bearing surface disposed about the second central bore.
The positioning support part is provided with a positioning concave surface which is used for being correspondingly matched with the peripheral surface of the contact part of the driving part, the positioning concave surface comprises two inclined positioning surfaces which are symmetrically arranged about the positioning line, and the two inclined positioning surfaces are arc surfaces which are inosculated with the peripheral surface of the contact part or inclined planes which form line contact with the peripheral surface of the contact part.
The invention has the beneficial effects that: according to the assembling tool for the active part of the double-acting arc extinguish chamber, the positioning support part and the two positioning pins are arranged on the base, and the first positioning pin and the second positioning pin which are arranged in a coplanar manner with the positioning line are utilized, so that the alignment assembly of the nozzle connecting block and the pull rod is effectively ensured, the pin hole of the pull rod and the pin hole of the connecting block are aligned in parallel, the good alignment of the arc extinguish chamber is effectively ensured, and the action is smooth.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a double acting arc extinguish chamber active part assembling tool provided by the invention;
fig. 2 is a schematic structural diagram of the base in fig. 1.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings, but the present invention is not limited thereto.
To better explain the assembly tool provided in this embodiment, an active part of the arc extinguish chamber is explained, as shown in the dotted line of fig. 1, where the active part includes a contact part 2, a pull rod 1, a nozzle 3 and a nozzle connecting block 5, the nozzle connecting block 5 is fixed on the nozzle through a pressing plate 4, and the contact part is integrated with a main contact, an arc contact, etc. The pressure chamber can be integrated in the contact part if the arc extinguishing chamber is a pneumatic arc extinguishing chamber, and the pressure chamber and the expansion chamber can be integrated in the contact part if the arc extinguishing chamber is a self-powered arc extinguishing chamber.
As shown in fig. 1 to 2, the assembly tool specifically includes a base 9, the extending direction of the active part of the arc extinguish chamber is defined as the left-right direction, the base 9 extends along the left-right direction, the base 9 is provided with a positioning support portion 8 for horizontally supporting and placing the contact part of the active part, the positioning support portion 8 is provided with a positioning line for aligning with the center line of the contact part, the positioning line specifically positions the symmetrical center line of the support portion, and of course, in other embodiments, the position of the positioning line can be set according to actual conditions as long as the alignment with the center of the contact part is ensured.
The positioning support portion 8 is a supporting positioning seat detachably fixed on the base through a screw, the supporting positioning seat has a positioning concave surface for corresponding matching with the outer peripheral surface of the contact portion of the driving portion, the positioning concave surface includes two side inclined positioning surfaces which are symmetrically arranged, in the embodiment, the two side inclined positioning surfaces are arc surfaces which are matched with the outer peripheral surface of the contact portion, and the two side inclined positioning surfaces are symmetrically arranged about a positioning line, so that the two side inclined positioning surfaces are utilized for positioning the contact portion, and the central line of the contact portion is aligned with the positioning line of the positioning support portion.
In addition, in the present embodiment, a first positioning pin 15 for positioning and inserting with the pull rod pin hole 11 and a second positioning pin 7 for positioning and inserting with the connecting block pin hole 6 are correspondingly provided on the left and right sides of the positioning support portion 8 on the base 9, the first positioning pin 15 and the second positioning pin 7 are arranged in parallel, and the center lines of the two positioning pins and the positioning line are arranged in a coplanar manner. Thus, when the first positioning pin 15 and the pull rod pin hole 11 are symmetrically inserted and the second positioning pin 7 and the connecting block pin hole 6 are correspondingly inserted, parallel coplanar arrangement of the pull rod pin hole 11 and the connecting block pin hole 6 can be effectively guaranteed, alignment assembly of the pull rod 9, the insulating pull rod, the nozzle connecting block 5 and the corresponding driving rod is guaranteed, and the problems of poor alignment and movement clamping stagnation are avoided.
Specifically, in order to improve the positioning effect of the pull rod, a first supporting seat 10 is further provided on the base 9, and a first supporting surface for supporting the corresponding pull rod is provided on the first supporting seat 10. Specifically, the first support base 10 is a support sleeve supported on a base. The inner bore of the support sleeve forms a first central bore for alignment with the drawbar pin bore, and the annular support surfaces at the respective ends of the support sleeve form the first support surfaces described above. When the positioning device is used, the first central hole is aligned with the pull rod pin hole, then the first positioning pin is conveniently inserted into the first central hole and the pull rod pin hole, and the corresponding positioning of the pull rod pin hole is conveniently realized.
In fact, two pull rod positioning holes 12 are arranged on the base at intervals along the left-right direction, and the supporting sleeve can be positioned and arranged by selecting proper positioning holes according to different lengths of the pull rods. In other embodiments, only a single tie rod locating hole may be provided.
During specific assembly, the supporting sleeve is placed corresponding to the corresponding pull rod positioning hole 12, the first positioning hole is aligned with the pull rod positioning hole, the pull rod pin hole is aligned with the first positioning hole, then, the first positioning pin penetrates through the pull rod pin hole, the first positioning hole and the pull rod positioning hole, and then the pull rod is positioned.
In this embodiment, a positioning long hole 13 extending in the left-right direction is provided in the base 9 corresponding to the second positioning pin, a second support seat 14 is movably guided in the left-right direction in the positioning long hole, a second support surface for supporting the nozzle connecting block of the driving portion is provided on the second support seat 14, and the second support surface is an annular support surface arranged around the second center hole. And, a second center hole for aligning with the connecting block pin hole to position a detachably inserted second positioning pin is provided on the second support seat 14, so that the second support seat 14 is movably fitted in the positioning long hole in a position adjustable in the left-right direction.
During specific assembly, the connecting block pin hole 6 on the nozzle connecting block 5 and the second center hole on the second supporting seat 14 can be aligned firstly, and then the second positioning pin 7 penetrates into the connecting block pin hole 6 and the second center hole, so that the nozzle connecting block 5 is aligned and positioned.
When the assembling fixture provided by the embodiment is used to assemble the active part, the contact part is horizontally positioned and placed on the positioning support part, meanwhile, the pull rod support is placed on the first support seat, the nozzle connecting block is placed on the second support seat, the pull rod pin hole is aligned with the first center hole on the first support seat, then the first positioning pin is positioned and inserted in the pull rod pin hole, the first central hole and the corresponding pull rod positioning hole, the alignment and the positioning of the pull rod pin hole can be realized, then the second center hole of the second supporting seat is aligned with the connecting block pin hole, and the second positioning pin is inserted into the connecting block pin hole and the second center hole in a penetrating way to realize the alignment of the connecting block pin hole, and then the spout connecting block 5 is moved to an assembling position, the spout connecting block 5 is tightly assembled on the spout 3 by using the pressing plate 4, and the assembling and the installation of the driving part are further completed.
The assembly tool provided by the embodiment effectively ensures the alignment assembly of the nozzle connecting block and the pull rod by utilizing the first positioning pin and the second positioning pin which are arranged in a coplanar manner with the positioning line, so that the pin hole of the pull rod and the pin hole of the connecting block are aligned in parallel, the good alignment of the arc extinguish chamber is effectively ensured, and the action is smooth. Through two locating pins, utilize the higher pull rod locating hole of precision and location slot hole to realize the effective positioning to pull rod pinhole, connecting block pinhole.
In this embodiment, first locating pin corresponds and the removable grafting of pull rod locating pin, and the second locating pin then pegs graft with the location slot hole is removable, and two locating pins are not telescopic setting elements, utilize removable assembly, conveniently carry out the dismouting location. If the two positioning pins are telescopic positioning pins, the telescopic positioning pins can also be directly fixed on the base, when the positioning is needed, the telescopic positioning pins are compressed, and after the pull rod pin holes and the connecting block pin holes are aligned with the telescopic positioning pins, the telescopic positioning pins extend to be correspondingly inserted and positioned with the corresponding pull rod pin holes and the corresponding connecting block pin holes.
In this embodiment, set up first supporting seat and come the support pull rod, set up the second supporting seat and come the support spout connecting block, the usable support improves the assembly precision, improves the assembly atress. In other embodiments, if the length of the positioning support part is large, two support seats can be omitted, and the positioning support part is only used for forming support for the active part.
In this embodiment, correspond on two supporting seats and set up corresponding centre bore in order to make things convenient for the locating pin that the location cartridge corresponds, the supporting seat not only plays corresponding supporting role, still can play corresponding positioning role.
In this embodiment, two pull rod positioning holes are formed in the base, and in other embodiments, three or more pull rod positioning holes may be formed, so that the installation position of the first positioning pin can be adjusted along the left-right direction to correspond to pull rods with different lengths.
In this embodiment, the two inclined positioning surfaces on the positioning concave surface of the positioning support portion are arc surfaces, and in other embodiments, the two inclined positioning surfaces may also be inclined planes that form line contact with the outer peripheral surface of the contact portion, so that the positioning concave surface actually forms a V-shaped positioning structure.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (5)
1. The utility model provides a double acting explosion chamber initiative portion matched stack frock which characterized in that: the arc extinguishing chamber positioning device comprises a base, wherein a positioning support part used for horizontally supporting and placing a contact part of a driving part is arranged on the base, the positioning support part is provided with a positioning line used for aligning with the central line of the contact part, the direction corresponding to the extending direction of the driving part of an arc extinguishing chamber on the base is defined as the left-right direction, a first positioning pin used for positioning and inserting with a pull rod pin hole and a second positioning pin used for positioning and inserting with a connecting block pin hole are correspondingly arranged on the left side and the right side of the positioning support part on the base, the first positioning pin and the second positioning pin are arranged in parallel, and the central lines of the two;
the base is provided with a first supporting seat, the first supporting seat is provided with a first supporting surface for supporting the pull rod of the driving part, the first supporting seat is provided with a first central hole which is aligned with the pull rod pin hole, and the first positioning pin is detachably positioned and inserted in the first central hole;
the base is provided with a pull rod positioning hole, and the pull rod positioning hole is used for positioning and inserting the first positioning pin so as to position the pull rod through the first positioning pin;
the base is provided with a second supporting seat, a second supporting face is arranged on the second supporting seat and used for supporting the nozzle connecting block of the driving portion, a second center hole is formed in the second supporting seat and used for being aligned with the connecting block pin hole, and the second positioning pin is detachably inserted into the second center hole in a positioning mode.
2. The double acting arc extinguish chamber active part assembling tool according to claim 1, characterized in that: the first positioning pin is arranged on the base in a position-adjustable manner along the left-right direction.
3. The double acting arc extinguish chamber active part assembling tool according to claim 1, characterized in that: the base is provided with a positioning long hole extending along the left-right direction corresponding to the second supporting seat, and the second supporting seat is movably assembled in the positioning long hole along the left-right direction in an adjustable position.
4. The double acting arc extinguish chamber active part assembling tool according to claim 1, characterized in that: the second bearing surface is an annular bearing surface disposed about the second central bore.
5. The double acting arc extinguishing chamber active part assembling tooling according to any one of claims 1 to 4, characterized in that: the positioning support part is provided with a positioning concave surface which is used for being correspondingly matched with the peripheral surface of the contact part of the driving part, the positioning concave surface comprises two inclined positioning surfaces which are symmetrically arranged about the positioning line, and the two inclined positioning surfaces are arc surfaces which are inosculated with the peripheral surface of the contact part or inclined planes which form line contact with the peripheral surface of the contact part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099620.5A CN109767940B (en) | 2017-11-09 | 2017-11-09 | Double acting explosion chamber initiative portion assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099620.5A CN109767940B (en) | 2017-11-09 | 2017-11-09 | Double acting explosion chamber initiative portion assembly fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109767940A CN109767940A (en) | 2019-05-17 |
| CN109767940B true CN109767940B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711099620.5A Active CN109767940B (en) | 2017-11-09 | 2017-11-09 | Double acting explosion chamber initiative portion assembly fixture |
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| CN (1) | CN109767940B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289185A (en) * | 2019-06-24 | 2019-09-27 | 山东泰开高压开关有限公司 | Arc-chutes level with switching-on resistance is into tank assembly tooling and its assembly method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446661A (en) * | 2010-10-11 | 2012-05-09 | 江苏省如高高压电器有限公司 | 126kV breaker arc extinguish chamber centring frock |
| CN104319190A (en) * | 2014-10-15 | 2015-01-28 | 河南平高电气股份有限公司 | Circuit breaker stationary contact base clamping tooling |
| CN106683952A (en) * | 2017-02-15 | 2017-05-17 | 益和电气集团股份有限公司 | Breaker phase column assembly fixture |
-
2017
- 2017-11-09 CN CN201711099620.5A patent/CN109767940B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446661A (en) * | 2010-10-11 | 2012-05-09 | 江苏省如高高压电器有限公司 | 126kV breaker arc extinguish chamber centring frock |
| CN104319190A (en) * | 2014-10-15 | 2015-01-28 | 河南平高电气股份有限公司 | Circuit breaker stationary contact base clamping tooling |
| CN106683952A (en) * | 2017-02-15 | 2017-05-17 | 益和电气集团股份有限公司 | Breaker phase column assembly fixture |
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| CN109767940A (en) | 2019-05-17 |
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