CN109585198B - Circuit breaker space position alignment method and alignment tool thereof - Google Patents
Circuit breaker space position alignment method and alignment tool thereof Download PDFInfo
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- CN109585198B CN109585198B CN201710898875.1A CN201710898875A CN109585198B CN 109585198 B CN109585198 B CN 109585198B CN 201710898875 A CN201710898875 A CN 201710898875A CN 109585198 B CN109585198 B CN 109585198B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
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Abstract
The invention relates to a circuit breaker space position alignment method and an alignment tool thereof, wherein the alignment tool comprises a first reference plate arranged on an arc extinguish chamber, the first reference plate is provided with a first reference direction and comprises a second reference plate arranged on a lower wiring board, the second reference plate is provided with a second reference direction, the second reference plate is also provided with a positioning surface used for being matched with a rectangular block to position a pin hole, the first reference plate is provided with a first compass, the second reference plate is provided with a second compass, a first preset included angle is formed between the first compass and the first reference direction, a second preset included angle is formed between the second compass and the second reference direction, a third preset included angle is formed between the first reference direction and the second reference direction when assembly is finished, and the arc extinguish chamber is rotated to change the included angle between the first compass and the second compass so that the included angle between the first reference direction and the second reference direction is adjusted to the third preset included angle. The assembly precision of the vacuum circuit breaker can be effectively guaranteed, and the assembly efficiency is remarkably improved.
Description
Technical Field
The invention relates to a circuit breaker space position alignment method and an alignment tool thereof.
Background
Vacuum circuit breakers at voltage levels of 126kV and above will become more and more common with the continuing advancement of technology. Due to the fact that voltage is increased, compared with a medium-voltage-class vacuum arc-extinguishing chamber, the overall size of the high-voltage vacuum arc-extinguishing chamber is obviously increased (the heights of single poles of 126kV and above voltage classes are all more than 3 m), and a certain space position of the vacuum circuit breaker is difficult to guarantee during assembly.
The single pole of the vacuum circuit breaker shown in fig. 1-10 mainly comprises an upper wiring board 3, a lower wiring board 4, an arc extinguish chamber 1, an insulating pull rod, a movable end pull rod 2, a sleeve 5 and a crank arm box, wherein the static end of the arc extinguish chamber 1 is provided with four threaded holes 11 which are circumferentially arranged and have the same position and size with the screw through holes 31 on the upper wiring board 3, and the threaded holes are connected and relatively fixed through screws; the lower end of the arc extinguish chamber 1 is connected with one end of a movable end pull rod 2 through a screw thread structure 12, the other end of the movable end pull rod 2 is connected with an insulating pull rod through a pin shaft, the lower end of the corresponding movable end pull rod is a rectangular block, pin holes 21 are formed in opposite side surfaces of the rectangular block in a penetrating mode, and the movable contact is guaranteed to move in a vertical plane in which a crank arm rotates; meanwhile, the upper wiring board 3 and the lower wiring board 4 are respectively provided with the same number of flange holes, namely an upper flange hole 32 and a lower flange hole 42, which are respectively fixed at the upper end and the lower end of the sleeve 5 through the same number of bolts; the left side and the right side of the upper wiring board 3 and the lower wiring board 4 are respectively provided with wiring lugs, namely an upper wiring lug 33 and a lower wiring lug 43, and meanwhile, the threaded holes 31 in the left radial direction and the right radial direction and the flange holes 32 in the corresponding direction on the upper wiring board 3 pass through the same diameter, and the threaded holes and the flange holes in the front radial direction and the rear radial direction pass through the same diameter. During assembly, the extending directions of the upper wiring lug 33 of the upper wiring board 3 and the lower wiring lug 43 of the lower wiring board 4 are required to be ensured to be parallel to each other, so that the subsequent connection of cables is realized; it is also necessary to ensure that the upper flange hole 32 on the upper wiring board 3 and the corresponding lower flange hole 42 on the lower wiring board 4 are coaxially arranged, and the through hole 51 on the sleeve 5 is consistent with the axis of the corresponding flange hole, so that the sleeve 5 can be smoothly installed; and the axis of the pin hole 21 of the movable end pull rod 2 is required to be ensured to be vertical to the swinging plane of the crank arm, so that the crank arm can swing stably.
In the existing assembly process, a lower wiring board and a connecting lever box are generally fixed on a bracket, at the moment, a swinging plane of the connecting lever in the connecting lever box is fixed and is parallel to a circle center connecting line of two flange holes arranged in the front and back of the lower wiring board in the radial direction, an arc extinguish chamber is arranged on an upper board surface of the lower wiring board in a sitting mode, the axis of a pin hole on a pull rod at a moving end of the arc extinguish chamber is connected with the circle centers of the two flange holes to be vertical by rotating the arc extinguish chamber, so that the lower wiring board is fixedly assembled with the arc extinguish chamber, then the flange holes on the upper wiring board are aligned with the flange holes of the lower wiring board through two opposite threaded holes of four threaded holes at the upper end of the arc extinguish chamber and the two corresponding flange holes on the lower wiring board in the same direction, and further the installation of a sleeve is realized, and, all relative positions are judged by manual visual observation, certain subjectivity is achieved, the spatial relative positions of the sleeve, the arc extinguish chamber, the insulating pull rod, the upper wiring board, the lower wiring board and the crank arm box cannot be guaranteed, and reliability is poor.
Disclosure of Invention
The invention aims to provide a method for aligning the spatial position of a circuit breaker, which aims to solve the problems that the relative position of each part cannot be ensured and the reliability is low when the assembly is realized through visual observation in the prior art; the invention also aims to provide an alignment tool applied to the alignment method.
In order to achieve the purpose, the circuit breaker space position alignment tool adopts the following technical scheme:
scheme 1: frock is adjusted well to circuit breaker spatial position, including being used for setting up the first benchmark board on the explosion chamber, first benchmark board has first benchmark to, adjusts the frock still including being used for setting up the second benchmark board on wiring board down, the second benchmark board has the second benchmark to, still have on the second benchmark board be used for with the rectangle piece cooperation of movable end pull rod and make pinhole axial and crank arm swing plane vertically locating surface with the pinhole location, be provided with first compass on the first benchmark board, be provided with the second compass on the second benchmark board, first compass north south has the first contained angle of setting for between to with first benchmark, and second compass north has the second between to set for the contained angle, the third when assembly was accomplished between first benchmark orientation and the second benchmark is to set for the contained angle, changes the first compass north and the south between the north of second compass can make first benchmark contained angle and second benchmark contained angle through rotating the explosion chamber And adjusting the included angle between the second reference directions to a third set included angle.
Scheme 2: on the basis of scheme 1, first benchmark board is fixed in on two relative screw holes of explosion chamber upper end, and the centre of a circle line place direction of two screw holes constitutes first benchmark to, and on two relative flange holes on the lower connection board were fixed in to the second benchmark board, the centre of a circle line place direction of two flange holes constitutes the second benchmark to.
Scheme 3: on the basis of scheme 2, first benchmark is parallel to the centre of a circle line with two screw holes of radial direction mutual disposition about the explosion chamber upper end, the second benchmark is parallel to the centre of a circle line with two flange holes of radial direction mutual disposition about after the circuit breaker assembly, the third is set for the contained angle and is the zero degree.
Scheme 4: on the basis of the scheme 3, the first set included angle and the second set included angle are both zero degrees.
Scheme 5: on the basis of the scheme 3, the second reference plate is provided with a positioning hole for the penetration of the rectangular block of the moving end pull rod, and the side surface of the positioning hole, which is in positioning fit with the side wall surface of the moving end pull rod perpendicular to the axial direction of the pin hole, forms the positioning surface.
Scheme 6: on the basis of the scheme 4, the second reference plate is provided with two fixing holes which are respectively used for being fixedly connected with the two corresponding flange holes through bolts.
Scheme 7: on the basis of scheme 3, be equipped with respectively on the first benchmark board be used for with two screw hole fixed connection's of explosion chamber upper end two screw wear dress holes.
The invention discloses a method for aligning the space position of a circuit breaker, which adopts the technical scheme that:
scheme 8: the utility model provides a circuit breaker spatial position method of adjusting well, uses a direction on the first benchmark board on the explosion chamber to first benchmark to, and a direction on the second benchmark board on following wiring board is the second benchmark to, sets up the axial of pinhole into the direction perpendicular with the plane of swing of turning arm simultaneously, adopts the compass to receive the influence of earth's magnetic field and directional invariant's principle to measure the assembly contained angle between first benchmark to and the second benchmark, then makes through rotating the explosion chamber assembly contained angle is unanimous with the third settlement contained angle, concretely relates to following step: (1) firstly, adjusting a first set included angle between the south and north directions of the two compasses and a first reference direction respectively, and adjusting a second set included angle between the south and north directions of the two compasses and a second reference direction respectively; (2) fixing a first reference plate on the arc extinguish chamber, and fixing a second reference plate on the lower wiring board; (3) the arc extinguish chamber is arranged on the lower connecting plate in a sitting mode, and the pin hole is positioned through the positioning surface on the second reference plate, so that the axis of the pin hole is perpendicular to the swinging plane of the crank arm; (4) observing the relative included angle of the two compasses; (5) and rotating the arc extinguish chamber, changing the included angle between the north and south directions of the two compasses, and adjusting the included angle between the first reference direction and the second reference direction to a third set included angle.
Scheme 9: on the basis of the scheme 8, the first reference direction is along the left-right direction, the second reference direction is consistent with the direction of a connecting line of the circle centers of two flange holes which are oppositely arranged along the left-right radial direction of the lower connecting plate after assembly, and the third set included angle is zero degree.
Scheme 10: on the basis of the scheme 9, the first set included angle and the second set included angle are both zero degrees.
Scheme 11: on the basis of scheme 10, first benchmark board is fixed in on two relative screw holes of explosion chamber upper end, and the centre of a circle line place direction of two screw holes constitutes first benchmark to, and on two relative flange holes on the lower connection board were fixed in to the second benchmark board, the centre of a circle line place direction of two flange holes constitutes the second benchmark to.
Scheme 12: on the basis of the scheme 11, the second reference plate is provided with a positioning hole for the penetration of the moving end pull rod, the positioning hole is provided with a side face parallel to the swinging plane of the crank arm, and the side face is in positioning fit with a side wall face, perpendicular to the axial direction of the pin hole, of the rectangular block of the moving end pull rod so as to realize that the axial direction of the pin hole is perpendicular to the swinging plane of the crank arm.
The invention has the beneficial effects that: compared with the prior art, the circuit breaker spatial position alignment tool has the advantages that the first reference direction is arranged on the first reference plate, the second reference direction is arranged on the second reference plate, meanwhile, after the lower wiring board and the crank arm box are installed, the swinging plane of the crank arm is parallel to the connecting line of the two flange holes oppositely arranged in the front-back direction on the lower wiring board, the axis of the pin hole is ensured to be perpendicular to the connecting line of the two flange holes oppositely arranged in the front-back direction through the arrangement of the positioning surface, then, the compasses are respectively arranged on the first reference plate and the second reference plate, the north-south direction of the compass and the first reference direction form a first set included angle, the south-north direction of the compass and the second reference direction form a second set included angle, the relative included angle between the first reference direction and the second reference direction is judged through the pointing direction of the pointer of the compass, and then, the adjustment of the relative included angle to a third set included angle is realized through the rotation of the arc, the principle that the compass is affected by the earth magnetic field and is not changed in pointing direction is utilized, whether assembly is completed or not can be judged only by observing the pointer direction of the compass in the process of assembling the large-scale circuit breaker, the structure is simple, operation is convenient, reliability is high, assembly precision of the vacuum circuit breaker can be effectively guaranteed, and assembly efficiency is remarkably improved.
Drawings
FIG. 1 is a schematic diagram of a prior art arc chute;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of an assembly structure of an arc extinguish chamber and a movable end pull rod in the prior art;
FIG. 4 is a schematic structural view of a prior art upper patch panel;
FIG. 5 is a bottom view of FIG. 4;
FIG. 6 is a schematic structural diagram of a prior art lower wiring board;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a schematic view of a prior art sleeve;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic view of an assembly structure of an arc extinguish chamber, a lower wiring board and a movable end pull rod in the prior art;
fig. 11 is a schematic structural diagram of a first embodiment of a circuit breaker spatial position alignment fixture according to the present invention;
FIG. 12 is a bottom view of FIG. 11;
FIG. 13 is a top view of FIG. 11;
FIG. 14 is a schematic view of the first datum plate of FIG. 11;
fig. 15 is a schematic structural view of the second reference plate in fig. 11.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The first embodiment of the circuit breaker space position alignment tool of the invention: as shown in fig. 1 to 15, in the alignment process of the alignment tool applied to the assembly space position of each component in the large-scale circuit breaker, in the actual assembly process, it is required to ensure that the extension directions of the lug of the upper wiring board and the lug of the lower wiring board are parallel to each other, so as to realize the subsequent connection of the cable; the flange holes on the upper wiring board and the corresponding flange holes on the lower wiring board are required to be coaxially arranged, so that the sleeve can be smoothly installed; the axis of the pin hole of the movable end pull rod is perpendicular to the swing plane of the crank arm, so that the crank arm can swing stably. In order to ensure the space assembly relationship, for the assembly relationship among the upper wiring board, the lower wiring board, the sleeve and the arc extinguishing chamber, during actual assembly, the lower wiring board needs to be fixed on the bracket, the wiring lugs on the lower wiring board extend along the left-right direction, the number and the positions of the flange holes on the upper wiring board and the lower wiring board are consistent, the top end of the arc extinguish chamber is provided with four threaded holes connected with the upper wiring board, and the position of the upper wiring board corresponding to the threaded holes is also provided with threaded holes, and the circle center connecting lines of a pair of threaded holes which are oppositely arranged in the left-right direction and the flange holes which are oppositely arranged in the left-right direction on the corresponding upper wiring board at intervals are positioned on the same straight line, therefore, in order to ensure the spatial position between the upper wiring board and the lower wiring board, the relative position between the threaded hole on the arc extinguish chamber and the flange hole on the lower wiring board only needs to be ensured. Meanwhile, when the connecting lever box and the lower connection board are installed on the bracket, the swinging plane of the connecting lever is parallel to the circle center connecting line of the two flange holes arranged at intervals in the left-right direction on the lower connection board, so that after the connecting lever is connected with the insulating pull rod, the stable swinging of the connecting lever is ensured only by ensuring that the axis of the pin hole in the movable end pull rod is perpendicular to the circle center connecting line of the two flange holes arranged at intervals in the left-right direction on the lower connection board.
Therefore, the tool comprises a first reference plate 6 and a second reference plate 8, wherein the first reference plate 6 is arranged on two threaded holes 11 oppositely arranged at the top end of the arc extinguish chamber 1 along the left-right direction, the hole center connecting line of the two corresponding threaded holes forms a first reference direction 102, the first reference plate 6 is correspondingly provided with a screw penetrating hole 61, in order to ensure that the direction of the first reference direction 102 can be better and more obviously embodied, the first reference plate 6 is arranged into a long plate structure, the central line of the length direction of the first reference plate 6 is vertically parallel to the hole center connecting line of the two corresponding threaded holes 11, so that the first reference direction 102 is converted to the central line of the first reference plate 6 from the hole center connecting line of the threaded holes 11 at the top end of the arc extinguish chamber 1, meanwhile, the compass 7 is arranged on the first reference plate 6, the compass 7 is fixed at the left end of the upper plate surface of the first reference plate 6, and the direction of the central line on the first reference plate 6 is consistent with the north-south direction on the compass 7, i.e. the first set angle is set to zero degrees.
For the second reference plate 8, which is installed on the lower connection plate 4, the second reference plate 8 is fixed through two lower flange holes 42 extending in the left-right direction on the lower connection plate 4, and the direction of the hole center connecting line of the two corresponding lower flange holes 42 forms a second reference direction 101, correspondingly, two bolt through holes 81 coaxially arranged with the two lower flange holes 42 are arranged on the second reference plate 8, in order to ensure that the direction of the second reference direction 101 can be better and more obviously embodied, the second reference plate 8 is also arranged in a long plate structure, the central line of the length direction of the second reference plate 8 is vertically parallel to the hole center connecting line of the two corresponding lower flange holes 42, thereby realizing that the second reference direction 101 is converted from the hole center connecting line of the two corresponding lower flange holes 42 of the lower connection plate 4 to the central line of the second reference plate 8, and simultaneously, the compass 7 is arranged on the second reference plate 8, specifically, a supporting plate 9 is fixed on the lower plate surface of a second reference plate 8, the structure of the supporting plate 9 is consistent with that of the first reference plate 6, the left end of the supporting plate 9 extends out of the radial direction of the lower wiring plate 4, the compass 7 is fixed at the left end of the supporting plate 9, the direction of the central line on the second reference plate 8 is consistent with the north-south direction of the compass 7, and namely the second set included angle is set to be zero.
Meanwhile, after the arc extinguish chamber 1 is seated on the lower connection plate 4, the movable end pull rod 2 at the bottom of the arc extinguish chamber 1 passes through the central hole 41 of the lower connection plate 4 to extend to the lower side of the lower connection plate 4, at this time, since the swing plane of the crank arm is parallel to the center line of the second reference plate 8, it is necessary to ensure that the axial direction 10 of the pin hole 21 on the movable end pull rod 2 is perpendicular to the center line of the second reference plate 8, meanwhile, as the part of the movable end pull rod 2 with the pin hole 21 is in a rectangular structure, a long hole 82 extending in the central line direction is arranged on the second reference plate 8, so that the rectangular structure can pass through and be positioned, the dimension of the long hole 82 is consistent with the dimension of the rectangular structure, and the side wall of the long hole 82 in the length direction is matched with the corresponding side wall of the rectangular structure in a stopping way to prevent the side wall from floating in the circumferential direction, so that the axial direction 10 of the pin hole 21 can be ensured to be perpendicular to the second reference direction 101.
The space corresponding relation between the upper wiring board 3 and the arc extinguish chamber 1 is limited through the first reference direction 102, the space corresponding relation between the lower wiring board 4 and the movable end pull rod below the arc extinguish chamber 1 is limited through the second reference direction 101, and meanwhile, in order to ensure the space position relation between the sleeve 5 and the upper wiring board 3 and the lower wiring board 4, namely the axes of the corresponding upper flange hole 32 on the upper wiring board 3 and the corresponding lower flange hole 42 on the lower wiring board 4 are consistent. The first reference direction 102 and the second reference direction 101 are arranged in the same direction by observing the included angle between the first reference direction 102 and the second reference direction 101 and rotating the arc extinguish chamber 1, so that the aim of aligning and assembling the components is fulfilled.
As shown in fig. 13, after the arc extinguish chamber 1 is seated on the lower connection board 4, the relative included angle between the pointers of the two compasses 7 is θ, the included angle between the first reference direction 102 and the second reference direction 101 is also θ, the screw structure 12 between the movable end pull rod 2 and the arc extinguish chamber 1 is not fixed, the arc extinguish chamber 1 is rotated to be finely adjusted, the pointers of the two compasses 7 are adjusted to be in the same direction, that is, the third set included angle is zero, so that the relative spatial positions of the upper connection board 3, the sleeve 5, the arc extinguish chamber 1, the pin hole 21 and the lower connection board 4 are ensured.
In this embodiment, the directions of the pointers of the two compasses are adjusted to be north and south directions so as to enable more convenient observation, and in other embodiments, the directions of the pointers of the two compasses are adjusted to be the same direction.
In other embodiments, the first reference direction and the second reference direction may be set to form a certain included angle to satisfy the spatial position relationship between the components, for example, the second reference direction is set to extend along the front-back direction, at this time, the hole center connecting line of two flange holes arranged at intervals in the front-back direction on the lower connection board is the second reference direction, the second reference board is fixed on the two corresponding flange holes, then a long hole for the rectangular structure to pass through is set at a corresponding position in the middle of the second reference board, the long hole extends in the left-right direction, and when the alignment is performed, the final included angle between the pointers of the two compasses needs to be ensured to be ninety degrees, and the spatial position relationship between the components can also be realized.
In other embodiments, a positioning surface can be arranged on the second reference plate, and is in limit fit with the rectangular structure, so that the rotation of the movable end pull rod is limited.
In other embodiments, the first reference direction and the second reference direction may be directions of any space line on the corresponding first reference plate and second reference plate, and it is only necessary to ensure that the hole centers of the corresponding connection holes are located on the space line.
In other embodiments, the first set angle and the second set angle may be any angles, and finally, only the relationship between the first set angle and the second set angle with respect to the third set angle needs to be calculated.
The embodiment of the circuit breaker space position alignment method of the invention comprises the following steps: (1) before the first reference plate is installed on the arc extinguish chamber and the second reference plate is installed on the lower wiring board, firstly, the north and south directions of the corresponding compass are adjusted and aligned with the central line of the first reference plate; (2) fixing a first reference plate on two threaded holes which are oppositely arranged on the arc extinguish chamber in the left-right direction through screws, and fixing a second reference plate on two flange holes which are oppositely arranged on the lower connection plate in the left-right direction through bolts; (3) then the arc extinguish chamber is arranged on the lower connecting plate in a sitting mode, the rectangular structure of the movable end pull rod is positioned through the long hole in the second reference plate, namely the pin hole is positioned, and the axial direction of the pin hole is ensured to be perpendicular to the central line of the second reference plate; (4) at the moment, observing a relative included angle of the two compasses, wherein the relative included angle is an included angle between the first reference direction and the second reference direction; (5) the arc extinguish chamber is rotated, the pointers of the two compasses are adjusted to be in the same direction, and at the moment, the flange hole of the upper wiring board can be coaxial with the corresponding flange hole of the lower wiring board. And then the spatial positions of the upper wiring board, the lower wiring board, the arc extinguish chamber, the sleeve and the crank arm box are aligned and assembled.
Other embodiments of the circuit breaker space position alignment method of the present invention are consistent with the use method of the alignment tool described above and are not expanded in detail.
Claims (12)
1. Frock is adjusted well to circuit breaker spatial position, its characterized in that: including being used for setting up the first benchmark board on the explosion chamber, first benchmark board has first benchmark to, adjusts the frock still including being used for setting up the second benchmark board on wiring board down, the second benchmark board has the second benchmark to, still have on the second benchmark board be used for with the rectangle piece cooperation of moving end pull rod and make pinhole axial and crank swing plane vertically locating surface with the pinhole location, be provided with first compass on the first benchmark board, be provided with the second compass on the second benchmark board, first compass north south has first settlement contained angle to first benchmark between to with, second compass north south has the second between to set for the contained angle to the third of timing with lower wiring board between first benchmark to and the second benchmark, through the contained angle between the north south of rotating the explosion chamber change first compass and the north south of second compass can make first benchmark to and second benchmark to the contained angle between The included angle between is adjusted to the third and is set for the included angle, first benchmark board is fixed in on two relative screw holes of explosion chamber upper end, the screw hole is used for fixed wiring board.
2. The circuit breaker space position alignment tool according to claim 1, characterized in that: the direction of circle center connecting lines of the two threaded holes forms a first reference direction, the second reference plate is fixed on the two opposite flange holes on the lower connecting plate, and the direction of circle center connecting lines of the two flange holes forms a second reference direction.
3. The circuit breaker space position alignment tool according to claim 2, characterized in that: the first benchmark is parallel to the centre of a circle line with two screw holes of radial direction mutual disposition about the explosion chamber upper end, the second benchmark is parallel to the centre of a circle line with two flange holes of radial direction mutual disposition about after the circuit breaker assembly, the third is set for the contained angle and is the zero degree.
4. The circuit breaker space position alignment tool according to claim 3, characterized in that: the first set included angle and the second set included angle are both zero degrees.
5. The circuit breaker space position alignment tool according to claim 3, characterized in that: and a positioning hole for the penetration of the rectangular block of the moving end pull rod is formed in the second reference plate, and the side surface of the positioning hole, which is in positioning fit with the side wall surface of the moving end pull rod perpendicular to the axial direction of the pin hole, forms the positioning surface.
6. The circuit breaker space position alignment tool according to claim 4, characterized in that: and the second reference plate is provided with two fixing holes which are respectively used for being fixedly connected with the two corresponding flange holes through bolts.
7. The circuit breaker space position alignment tool according to claim 3, characterized in that: and two screw penetrating holes which are respectively used for being fixedly connected with two threaded holes at the upper end of the arc extinguish chamber are formed in the first reference plate.
8. A circuit breaker space position alignment method is characterized in that: use a direction on the first benchmark board on the explosion chamber to be first benchmark to, a direction on the second benchmark board on following wiring board is the second benchmark to, sets up the axial of pinhole simultaneously to the direction perpendicular with the swing plane of turning arm, adopts the compass to receive the influence of earth magnetic field and the unchangeable principle of direction to measure first benchmark to and the second benchmark between to the assembly contained angle, then makes through rotating the explosion chamber assembly contained angle is unanimous with the third settlement contained angle, concretely relates to following step: (1) firstly, adjusting a first set included angle between the south and north directions of the two compasses and a first reference direction respectively, and adjusting a second set included angle between the south and north directions of the two compasses and a second reference direction respectively; (2) fixing a first reference plate on the arc extinguish chamber, and fixing a second reference plate on the lower wiring board; (3) the arc extinguish chamber is arranged on the lower connecting plate in a sitting mode, and the pin hole is positioned through the positioning surface on the second reference plate, so that the axis of the pin hole is perpendicular to the swinging plane of the crank arm; (4) observing the relative included angle of the two compasses; (5) rotate the explosion chamber, change the contained angle of the north-south direction of two compasses and adjust the contained angle between first benchmark to and the second benchmark to the third and set for the contained angle, first benchmark board is fixed in on two relative screw holes of explosion chamber upper end, the screw hole is used for fixed wiring board.
9. The circuit breaker spatial position alignment method as claimed in claim 8, wherein: the first reference direction is along the left-right direction, the second reference direction is consistent with the direction of a connecting line of the centers of two flange holes which are oppositely arranged along the left-right radial direction of the lower connecting plate after assembly, and the third set included angle is zero degree.
10. The circuit breaker spatial position alignment method as claimed in claim 9, wherein: the first set included angle and the second set included angle are both zero degrees.
11. The circuit breaker spatial position alignment method as claimed in claim 10, wherein: the direction of circle center connecting lines of the two threaded holes forms a first reference direction, the second reference plate is fixed on the two opposite flange holes on the lower connecting plate, and the direction of circle center connecting lines of the two flange holes forms a second reference direction.
12. The circuit breaker spatial position alignment method as claimed in claim 11, wherein: the second reference plate is provided with a positioning hole for the penetration of the moving end pull rod, the positioning hole is provided with a side face parallel to the swinging plane of the crank arm, and the side face is in positioning fit with a side wall face, perpendicular to the axial direction of the pin hole, on the rectangular block of the moving end pull rod to realize that the axial direction of the pin hole is perpendicular to the swinging plane of the crank arm.
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| CN201710898875.1A CN109585198B (en) | 2017-09-28 | 2017-09-28 | Circuit breaker space position alignment method and alignment tool thereof |
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| CN201710898875.1A CN109585198B (en) | 2017-09-28 | 2017-09-28 | Circuit breaker space position alignment method and alignment tool thereof |
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| CN109585198B true CN109585198B (en) | 2020-05-08 |
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| CN112992575B (en) * | 2019-12-17 | 2022-08-19 | 天津平高智能电气有限公司 | Movable and static tube core alignment assembly tool of vacuum arc extinguish chamber |
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| CN202662491U (en) * | 2012-05-10 | 2013-01-09 | 平高集团有限公司 | Centering device for assembling of porcelain bottle of arc-extinguishing chamber of breaker |
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- 2017-09-28 CN CN201710898875.1A patent/CN109585198B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0780867A2 (en) * | 1995-12-21 | 1997-06-25 | Gec Alsthom Limited | Vacuum switching device |
| CN202662491U (en) * | 2012-05-10 | 2013-01-09 | 平高集团有限公司 | Centering device for assembling of porcelain bottle of arc-extinguishing chamber of breaker |
| CN106710915A (en) * | 2017-02-10 | 2017-05-24 | 国家电网公司 | Circuit breaker arc extinguishing chamber composite bushing alignment fixture and using method thereof |
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| CN109585198A (en) | 2019-04-05 |
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