CN112992576B - Vacuum interrupter assembly fixture - Google Patents

Vacuum interrupter assembly fixture Download PDF

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Publication number
CN112992576B
CN112992576B CN201911304189.2A CN201911304189A CN112992576B CN 112992576 B CN112992576 B CN 112992576B CN 201911304189 A CN201911304189 A CN 201911304189A CN 112992576 B CN112992576 B CN 112992576B
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China
Prior art keywords
positioning
cover plate
movable
wheels
vacuum arc
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CN201911304189.2A
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Chinese (zh)
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CN112992576A (en
Inventor
刘世柏
王丽丽
张杨
李锟
亓春伟
王宇浩
薛从军
李小钊
李仁峰
齐大翠
赵芳帅
龚高标
孙宇
白丽娜
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State Grid Corp of China SGCC
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
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State Grid Corp of China SGCC
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
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Application filed by State Grid Corp of China SGCC, Pinggao Group Co Ltd, Tianjin Pinggao Intelligent Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201911304189.2A priority Critical patent/CN112992576B/en
Publication of CN112992576A publication Critical patent/CN112992576A/en
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Publication of CN112992576B publication Critical patent/CN112992576B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

The invention relates to a vacuum arc extinguish chamber assembly tool which comprises a base, a support piece and positioning wheels, wherein the base comprises a base body and a moving platform assembled on the base body, at least two pairs of positioning wheels are arranged, at least one pair of positioning wheels is a static cover plate positioning wheel used for being matched with the peripheral surface of a static cover plate of a vacuum arc extinguish chamber in a positioning mode, at least one pair of positioning wheels is a moving cover plate positioning wheel used for being matched with the peripheral surface of a moving cover plate of the vacuum arc extinguish chamber in a positioning mode, and the moving platform is assembled on the moving platform in a sliding mode along the normal direction of the plane where the axes of the positioning wheels of the same pair are located. During the in-service use, when moving apron or quiet apron size change to vacuum interrupter, mated locating wheel can be suitable for the change in the certain limit, can adjust the central point that moves apron and quiet apron through the mobile station and put, guarantees that vacuum interrupter assembly fixture can adapt to the change of the interior size specification of certain limit of vacuum interrupter, only is suitable for the problem that use cost is high that a vacuum interrupter caused with present vacuum interrupter assembly fixture.

Description

Vacuum interrupter assembly fixture
Technical Field
The invention relates to a vacuum arc extinguish chamber assembly tool.
Background
The vacuum arc extinguish chamber comprises a static cover plate, a static tube core, a porcelain shell, a movable tube core, a movable cover plate and the like, the whole coaxiality of the vacuum arc extinguish chamber has great influence on the contact resistance and the through-flow effect of a product, therefore, the coaxiality requirement on the vacuum arc extinguish chamber is high during assembly, the vacuum arc extinguish chamber is generally aligned by means of self-positioning of parts or by means of experience of an assembler during the assembly process of the vacuum arc extinguish chamber at present, and the assembly precision is poor.
Chinese patent application with application publication number CN108962648a, application publication number 2018.12.07 discloses a vacuum interrupter assembly calibration fixture, including the calibration unit that is used for calibrating single vacuum interrupter, the calibration unit includes moving end location bolt and quiet tube core location structure that upper and lower direction coaxial arranged, moving end location bolt is used for with move the coaxial location grafting of screw hole of tube core, quiet tube core location structure is used for with quiet tube core coaxial location assembly, quiet tube core location structure top is equipped with the structure of righting vacuum interrupter, when carrying out vacuum interrupter's assembly, quiet tube core location structure and quiet tube core coaxial location installation, moving end location bolt and the coaxial grafting of screw hole of moving the tube core, guarantee the axiality of quiet tube core and moving tube core, the structure of righting can right parts such as quiet apron, porcelain shell, the assembly precision of vacuum interrupter has been improved. Because actual need, the explosion chamber kind is more, moves the apron and the quiet apron size is different, and in the actual production process, the explosion chamber of every model need set up one set of assembly fixture to the adaptation is different moves apron and quiet apron, and use cost is higher.
Disclosure of Invention
The invention aims to provide a vacuum arc-extinguishing chamber assembly tool, which is used for solving the problem of high use cost caused by the fact that the existing vacuum arc-extinguishing chamber assembly tool is matched with an arc-extinguishing chamber.
The assembly tool for the vacuum arc-extinguishing chamber adopts the following technical scheme:
vacuum interrupter assembly fixture includes:
the base comprises a base body and a mobile platform assembled on the base body, and the mobile platform is used for bearing the vacuum arc extinguish chamber;
the supporting piece is arranged on the base;
the positioning wheels are arranged on the supporting piece, and are arranged in pairs, and the axes of the positioning wheels are parallel;
the positioning wheels are provided with at least two pairs, wherein at least one pair of the positioning wheels is a static cover plate positioning wheel which is used for positioning and matching with the peripheral surface of a static cover plate of the vacuum arc extinguish chamber, a static cover plate positioning interval which is used for positioning and matching with the static cover plate is formed between the same pair of the static cover plate positioning wheels, at least one pair of the positioning wheels is a movable cover plate positioning wheel which is used for positioning and matching with the peripheral surface of a movable cover plate of the vacuum arc extinguish chamber, and a movable cover plate positioning interval which is used for positioning and matching with the movable cover plate is formed between the same pair of the movable cover plate positioning wheels, so that the movable cover plate and the static cover plate positioning wheel are coaxial when the static cover plate and the movable cover plate positioning wheel are positioned and matched;
the moving table is slidably assembled on the moving table along the normal direction of the plane where the axes of the positioning wheels of the same pair are positioned.
The invention has the beneficial effects that: the vacuum arc extinguish chamber assembly tool respectively positions the movable cover plate and the static cover plate of the vacuum arc extinguish chamber through the paired positioning wheels, when the vacuum arc extinguish chamber assembly tool is in practical use, the paired positioning wheels can be suitable for changes within a certain range when the size of the movable cover plate or the static cover plate of the vacuum arc extinguish chamber changes, the central positions of the movable cover plate and the static cover plate can be adjusted through the mobile station, the vacuum arc extinguish chamber assembly tool can be guaranteed to be suitable for size specification changes within a certain range in the vacuum arc extinguish chamber, and the vacuum arc extinguish chamber assembly tool and the existing vacuum arc extinguish chamber assembly tool are only suitable for the problem of high use cost caused by the fact that one type of vacuum arc extinguish chamber is used.
Furthermore, support piece sets up two, one of them is for fixing the fixed support piece on the base, one is movable support piece, all be equipped with on movable support piece and the fixed support piece quiet apron locating wheel with move the apron locating wheel, the epaxial paired movable cover board locating wheel of fixed support piece and the epaxial a pair of movable cover board locating wheel of movable support piece are used for along moving the radial relative setting of apron, the epaxial paired quiet apron locating wheel of fixed support piece and the epaxial a pair of quiet apron locating wheel of movable support piece are used for along the radial relative setting of quiet apron, movable support piece is along with the planar normal direction slip assembly on the base of the locating wheel axis place of same pair, so that relative two pairs of movable cover board locating bodies are close to each other or keep away from along moving the apron is radial mutually, and make two pairs of relative quiet apron locating bodies be close to each other or keep away from along quiet apron simultaneously, movable support piece and fixed support piece are used for pushing the vacuum interrupter who is in the moving bench to fixed support piece when being close to each other.
Has the advantages that: can push fixed support piece after the vacuum interrupter finishes externally assembling through movable support piece, fix a position vacuum interrupter, because each part of vacuum interrupter is fixed after the initial assembly, compare manual removal vacuum interrupter, movable support piece is last to be provided with and to move apron locating wheel and quiet apron locating wheel, but removes the in-process vacuum interrupter more stable.
Furthermore, a guide rail is arranged on the base body, and the movable upright post and the movable platform are assembled on the same guide rail in a guiding and sliding manner. Simple structure compares different guide rails, and the precision is higher, and easy to assemble uses.
Furthermore, the two positioning wheels of the same pair can be horizontally moved and arranged on the supporting piece, so that the positioning interval between the two positioning wheels for positioning the vacuum arc-extinguishing chamber is relatively adjustable, the vacuum arc-extinguishing chamber assembling tool comprises a position locking structure, and the position locking structure is used for keeping the position of the coaxial positioning body after the position of the coaxial positioning body is adjusted. The vacuum arc-extinguishing chamber with more specifications can be suitable by adjusting the positioning interval of the positioning wheel.
Further, dispose the slip regulating block on the support piece, the locating wheel assembly is on the slip regulating block, and the slip regulating block that same pair of locating wheel corresponds passes through stud to be connected, and the screw thread of stud both ends is revolved to opposite to make two locating wheels of same pair be close to or keep away from through rotatory stud. The synchronous motion of two locating wheels can be guaranteed, the adjustment is convenient, and the precision is high.
Furthermore, the position locking structure comprises a locking nut which is connected to the sliding adjusting block through threads and fastens the sliding adjusting block, a long hole which is used for guiding the sliding adjusting block to slide and adjust the position of the sliding adjusting block is formed in the positioning seat, one end of the sliding adjusting block is in stop fit with the positioning seat, threads which are in thread fit with the locking nut and used for locking the sliding adjusting block are formed in the other end of the sliding adjusting block, and the locking nut is used for fastening the sliding adjusting block on the positioning seat through thread fit with the sliding adjusting block. The sliding adjusting block is fastened through the thread matching of the locking nut and the sliding adjusting block, so that the fixing is firmer and the operation is convenient.
Furthermore, a positioning seat is arranged on the supporting piece, and the positioning seat can move up and down and is assembled on the supporting piece, so that the up-and-down position of the positioning seat can be adjusted; the positioning wheel is arranged on the positioning seat so as to adjust the up-and-down position of the positioning wheel by moving the positioning seat up and down. The vacuum arc-extinguishing chamber can be adapted to different heights.
Furthermore, support piece is the stand, be equipped with the fixed logical groove that supplies the stand to pass on the positioning seat, the notch department in fixed logical groove is equipped with threaded fastener, revolves to twist threaded fastener through the forward and can make the notch in fixed logical groove narrow so that positioning seat and stand are fixed, revolves threaded fastener through the reverse and can make the notch in fixed logical groove of narrowing restore and then make positioning seat and stand loosen. Through the fixed through groove and the threaded fastener arranged at the groove opening, the fixing structure of the positioning seat is simplified, and the vertical position of the positioning seat can be conveniently adjusted.
Furthermore, a positioning bearing is arranged on the supporting piece, and the positioning wheel is composed of the positioning bearing. Simple structure, easy to assemble.
Further, the supporting member is a column disposed on the seat body. Simple structure and convenient processing.
Drawings
Fig. 1 is a schematic structural view of a vacuum interrupter related to a specific embodiment 1 of the vacuum interrupter assembly fixture of the present invention;
fig. 2 is a schematic filling diagram of the vacuum interrupter during assembly in the vacuum interrupter assembly tool in embodiment 1 of the present invention;
FIG. 3 is a schematic view of the positioning wheel of FIG. 1;
FIG. 4 is a schematic view of the slide adjust block of FIG. 1;
FIG. 5 is a left side elevational view of FIG. 4;
FIG. 6 is a schematic structural diagram of the positioning socket in FIG. 1;
in the figure: 1-a vacuum arc-extinguishing chamber; 11-a static cover plate; 12-a static tube core; 13-a lower end shield; 14-lower porcelain shell; 15-middle sealing ring; 16-a main shield; 17-mounting a porcelain shell; 18-an upper end shield; 19-moving the cover plate; 20-moving the tube core; 2-a base; 21-a seat body; 22-a mobile station; 23-a guide rail; 24-a slide table; 31-a movable upright post; 32-fixed upright posts; 33-rotation stopping strips; 4-fastening bolts; 51-stationary cover plate positioning wheels; 52-moving cover plate positioning wheels; 6-positioning seat; 61-elongated holes; 62-fixing the through groove; 63-notches; 7-sliding the adjusting block; 71-positioning wheel matching section; 72-a stop section; 73-a guide fit section; 74-a fixed segment; 75-a locking nut; 8-stud adjustment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The specific embodiment 1 of the vacuum arc-extinguishing chamber assembly tool of the invention:
first, the structure and general assembly sequence of the vacuum interrupter are described, as shown in fig. 1, the vacuum interrupter 1 includes a stationary cover plate 11, a stationary die 12, a lower end shield 13, a lower ceramic shell 14, a middle seal ring 15, a main shield 16, an upper ceramic shell 17, an upper end shield 18, a movable cover plate 19, and a movable die 20, wherein the movable cover plate 19 and the movable die 20 are pre-assembled. When the device is installed, a static cover plate 11 and a static tube core 12 are firstly placed, then a lower end shield cover 13, a lower ceramic shell 14, a middle seal ring 15, a main shield cover 16, an upper ceramic shell 17, an upper end shield cover 18 and finally a movable tube core 20 and a movable cover plate 19 are installed, then brazing solders are placed among parts, and finally the parts are brazed in a vacuum furnace.
As shown in fig. 2 to 6, the vacuum interrupter assembling tool includes a base 2 and two columns disposed on the base 2, one of the two columns is a movable column 31, the other is a fixed column 32, and positioning wheels are disposed on both the movable column 31 and the fixed column 32, the positioning wheels are positioning bearings in this embodiment, and in other embodiments, the positioning wheels may be rollers or the like. The upright column in this embodiment constitutes a support member disposed on the base 2, and in other embodiments, the support member may be a support frame, a support plate, or the like. The base 2 comprises a base body and a mobile station 22 arranged on the base body, and the mobile station 22 is used for bearing the vacuum arc-extinguishing chamber.
The positioning wheels are arranged in pairs, the same pair of positioning wheels is arranged on the upright column through the positioning seats 6, the positioning wheels in the embodiment are four pairs, two pairs of positioning wheels are static cover plate positioning wheels 51 which are used for being in positioning fit with the outer peripheral surface of the static cover plate 11 of the vacuum arc-extinguishing chamber, a static cover plate positioning interval which is used for being positioned with the static cover plate 11 is formed between the same pair of static cover plate positioning wheels 51, two pairs of positioning wheels 52 are movable cover plate positioning wheels 52 which are used for being in positioning fit with the outer peripheral surface of the movable cover plate 19 of the vacuum arc-extinguishing chamber, and a movable cover plate positioning interval which is used for being positioned with the movable cover plate 19 is formed between the same pair of movable cover plate positioning wheels 52. The two pairs of movable cover plate positioning wheels 52 are arranged oppositely along the radial direction of the movable cover plate 19, the two pairs of static cover plate positioning wheels 51 are arranged oppositely along the radial direction of the static cover plate 11, and when the static cover plate 11 is in positioning fit with the static cover plate positioning wheels 51 and the movable cover plate 19 is in positioning fit with the movable cover plate positioning wheels 52, the movable cover plate 19 is coaxial with the static cover plate 11. Each upright is provided with a pair of movable cover positioning wheels 52 and a pair of static cover positioning wheels 51.
The base 2 comprises a base body 21 and a movable platform 22 assembled on the base body 21, in this embodiment, the stationary cover plate 11 and the stationary core 12 of the vacuum arc-extinguishing chamber are supported on the movable platform 22 during assembly, a guide rail 23 is fixed on the base body 21, the guide rail 23 extends along the normal direction of the plane where the axes of the same pair of positioning wheels are located, and the movable platform 22 and the movable upright column 31 are both assembled on the guide rail 23 in a guiding and sliding manner. Through making the mobile station 22 remove, can adjust the position of quiet apron 11, make things convenient for vacuum interrupter 1's installation, simultaneously through the cooperation of mobile station 22 and locating wheel, can make assembly fixture can adapt more explosion chamber models. In this embodiment, a sliding table 24 in guiding sliding fit with the guide rail 23 is arranged at the bottom of the movable upright column 31, and the movable upright column 31 is fixed on the sliding table 24. The movable upright column 31 can move, and the movable upright column 31 can be moved away during assembly, so that the installation space of the vacuum arc-extinguishing chamber 1 is enlarged. Can push fixed column 32 after vacuum interrupter 1 finishes externally assembling through movable column 31, fix a position vacuum interrupter 1, because each part of vacuum interrupter 1 is not fixed after the initial assembly, compare manual removal vacuum interrupter 1, be provided with movable cover plate locating wheel 52 and quiet apron locating wheel 51 on the movable column 31, but remove in-process vacuum interrupter 1 more stable.
The positioning seats 6 on the two columns have the same structure, as shown in fig. 2, the positioning seats 6 are sleeved on the columns, the positioning seats 6 are provided with fixing through grooves 62 for the columns to pass through, the fixing through grooves 62 are provided with notches 63, the notches 63 are provided with fastening bolts 4 for fixing the positioning seats 6 on the columns, the fastening bolts in the embodiment form threaded fasteners for fastening the positioning seats, and the positioning seats 6 are assembled on the columns in a vertical sliding mode through the fixing through grooves. Fasten fastening bolt 4 through the forward and twist so that the fixed notch that leads to groove 62 reduces so that positioning seat 6 and stand are fixed, fasten fastening bolt 4 through the reverse twisting and can make the fixed notch that leads to the groove that reduces recover and then make positioning seat and stand loosen. In order to prevent the positioning seat from rotating relative to the upright, the fixed upright 32 and the movable upright 31 are both provided with a rotation stopping strip 33, and the cross section of the fixed through groove is matched with that of the upright.
The paired positioning wheels are fixed on one positioning seat 6, and the outer peripheral surfaces of the positioning wheels are positioning surfaces for positioning and matching with the outer peripheral surfaces of the static cover plate 11 or the movable cover plate 19. The positioning seat 6 is provided with a sliding adjusting block 7 in a guiding and sliding way, and the positioning wheel is rotatably assembled on the sliding adjusting block 7. As shown in fig. 2, the slide adjusting block 7 is slidably assembled on the positioning seat 6 in a guiding manner, the positioning seat 6 is provided with a long hole 61 through which the slide adjusting block 7 passes, the long hole 61 extends horizontally, and the slide adjusting block 7 extends vertically, and includes a positioning wheel engaging section 71, a stopping section 72 engaged with the positioning seat 6 in an up-and-down stopping manner, a guiding engaging section 73 located in the long hole 61 and slidably engaged with the long hole 61 in a guiding manner, and a fixing section 74 extending downward from the long hole 61 and engaged with the stopping section 72 to fix the slide adjusting block 7, wherein the positioning wheel is assembled on the positioning wheel engaging section 71, the stopping section 72 has a stopping surface engaged with the positioning seat 6 in an up-and-down stopping manner, and the guiding engaging section 73 is flat and has a guiding surface engaged with two parallel hole wall surfaces of the long hole 61 in a guiding and sliding manner. The fixing section 74 is connected with a locking nut 75 through threads, the locking nut 75 is loosened during use, the positioning wheel is adjusted through the sliding adjusting block 7, the locking nut 75 and the positioning seat 6 tightly support the sliding adjusting block 7 to be fixed, and the position of the positioning wheel is adjusted. In order to adjust the position of the positioning wheel conveniently, in this embodiment, threaded holes are formed in the stopping sections 72 of the two sliding adjusting blocks 7, the threaded holes in the two stopping sections 72 are coaxially arranged, stud adjusting studs 8 are assembled in the two threaded holes, the guiding and matching section 73 is in rotation-stopping matching with the elongated hole 61, the rotation directions of the two ends of the stud adjusting studs 8 are opposite, and the two sliding adjusting blocks 7 can be far away from or close to each other by screwing the adjusting studs. In this embodiment, the rest of the positioning wheels are the same as the matching structures on the positioning seat 6, and detailed description is omitted. The locking nut forms a position locking structure on the assembly tool for keeping the position of the positioning wheel after the position of the positioning wheel is adjusted.
The assembling tool adopts the paired positioning wheels to position the movable cover plate 19 and the static cover plate 11, the paired positioning wheels are convenient to center the movable cover plate 19 and the static cover plate 11, the positioning wheels can rotate, and the surfaces of the movable cover plate 19 and the static cover plate 11 can be prevented from being scratched. The positioning wheels are arranged in pairs, and the positioning wheels can be matched with the static cover plates 11 and the movable cover plates 19 of different models by adjusting the distance between the two paired positioning wheels. In addition, the mobile station 22 on the base 2 can change the position of the static cover plate 11, the vacuum arc-extinguishing chamber 1 can be moved away when in use, the operation is convenient, and the mobile station 22 can be adapted to the movable cover plate 19 and the static cover plate 11 with larger diameters.
The vacuum arc-extinguishing chamber 1 of the invention uses four pairs of positioning wheels to position the vacuum arc-extinguishing chamber 1. The two pairs of static cover plate positioning wheels 51 are arranged along the radial direction of the static cover plate 11 oppositely, and the two pairs of movable cover plate positioning wheels 52 are arranged along the radial direction of the movable cover plate 19 oppositely, so that the positioning accuracy of the static cover plate 11 and the movable cover plate 19 can be improved. The position of the positioning seat 6 on the upright post is adjustable, and the positioning seat can be suitable for a static cover plate 11 and a movable cover plate 19 with different heights. The clamp can be suitable for more arc extinguish chambers.
The vacuum arc-extinguishing chamber assembling tool is used, firstly, a standard vacuum arc-extinguishing chamber 1 model is used for calibrating a clamp, the height of a positioning wheel and the distance between the two positioning wheels are adjusted, after the adjustment is finished, a static cover plate 11 and a static tube core 12 to be assembled are placed on a movable table 22 through a backing plate, the peripheral surface of the static cover plate 11 is in positioning fit with a pair of static cover plate positioning wheels 51 positioned below a fixed upright post 32, then the static cover plate 11 of the vacuum arc-extinguishing chamber 1 is moved to a position away from the static cover plate positioning wheels 51 on the fixed upright post 32 through the movable table 22 to increase the operation space, until a movable cover plate 19 is installed, the peripheral surface of the movable cover plate 19 is in positioning fit with movable cover plate positioning wheels 52 on the fixed upright post 32, then the movable upright post 31 is moved, the movable cover plate positioning wheels 52 on the movable upright post 31 are in positioning fit with the peripheral surface of the movable cover plate 19, the vacuum arc-extinguishing chamber 1 is pushed to the fixed upright post 32, the static cover plate 11 and the movable cover plate 19 are simultaneously in positioning fit with the positioning wheels on the two upright posts, at the moment, then the coaxial positioning of the two cover plates are coaxially positioned, then the movable upright post 31 is moved, the vacuum arc-extinguishing chamber assembling tool is moved away from the fixed upright post 32 again, and the vacuum arc-extinguishing chamber 1 is removed.
The movable platform of the vacuum arc-extinguishing chamber assembly tool supports the static cover plate and the static tube core through the cushion block, and the vacuum arc-extinguishing chamber assembly tool is also suitable for vacuum arc-extinguishing chambers of more models. In other embodiments, a positioning structure may be disposed on the mobile station to position the stationary die of the vacuum interrupter, which is suitable for vacuum interrupters with the same positioning structure.
The specific embodiment 2 of the vacuum arc-extinguishing chamber assembly tool of the invention: the structure of the vacuum interrupter assembly fixture in this embodiment is different from that in the above specific embodiment 1 only in that: in this embodiment, only one upright is provided, and the upright is fixed to the base. The static cover plate positioning wheels are provided with a pair, and the movable cover plate positioning wheels are only provided with a pair. In other embodiments, two movable posts may be provided.
The specific embodiment 3 of the vacuum interrupter assembling tool of the present invention: the structure of the vacuum interrupter assembling tool in this embodiment is different from that in the above specific embodiment 1 only in that: the two upright posts are fixed upright posts fixed on the base.
The specific embodiment 4 of the vacuum arc-extinguishing chamber assembly tool of the invention: the structure of the vacuum interrupter assembling tool in this embodiment is different from that in the above specific embodiment 1 only in that: the two positioning wheels of the same pair are fixed in the horizontal direction, namely the positioning wheels are directly assembled on the positioning seats.
Specific embodiment 5 of the vacuum interrupter assembly fixture of the present invention: the structure of the vacuum interrupter assembling tool in this embodiment is different from that in the above specific embodiment 1 only in that: the bottom of the movable upright post is provided with a roller, and the movable upright post is assembled on the base through the horizontal movement of the roller at the bottom.
The specific embodiment 6 of the vacuum interrupter assembling tool of the present invention: the structure of the vacuum interrupter assembling tool in this embodiment is different from that in the above specific embodiment 1 only in that: the base body is provided with two guide rails which are respectively matched with the mobile station and the movable upright post. In other embodiments, two guide slots may be provided to guide the mobile station.
Specific embodiment 7 of the vacuum interrupter assembly fixture of the present invention: the structure of the vacuum interrupter assembling tool in this embodiment is different from that in the above specific embodiment 1 only in that: the base body is provided with a sliding chute, and the movable upright post and the mobile station are assembled in the sliding chute in a guiding and sliding manner.
The specific embodiment 8 of the vacuum interrupter assembly fixture of the present invention: the structure of the vacuum interrupter assembling tool in this embodiment is different from that in the above specific embodiment 1 only in that: the positioning seat is fixed on the upright post. In other embodiments, the sliding adjusting block may also be directly disposed on the upright, and at this time, a mounting plate needs to be disposed on the upright.
The specific embodiment of the vacuum interrupter assembly fixture of the present invention is 9: the structure of the vacuum interrupter assembly fixture in this embodiment is different from that in the above specific embodiment 1 only in that: the sliding adjusting blocks corresponding to the pair of positioning wheels respectively adjust the positions, the two sliding adjusting blocks are respectively connected with a screw nut mechanism, and the positions are respectively adjusted through the screw nut mechanism. The screw nut mechanism then constitutes a position locking mechanism. In other embodiments, the position locking structure may also be a jackscrew screwed to the positioning seat, or may also be a jack disposed on the positioning seat and a plug pin disposed in the jack, and at this time, the sliding adjusting block is provided with a positioning hole corresponding to the jack. In other embodiments, the sliding adjusting block may also be connected to a rack-and-pinion mechanism, and the rack is connected to the rack of the rack-and-pinion mechanism to drive the sliding adjusting block to move. In the same principle, the up-down movement mode of the positioning seat and the upright column can adopt a sliding mode, and the position of the positioning seat can also be adjusted in a screw nut and gear rack mode.
The specific embodiment 10 of the vacuum interrupter assembly fixture of the present invention: the structure of the vacuum interrupter assembling tool in this embodiment is different from that in the above specific embodiment 1 only in that: two pairs of positioning wheels are arranged on one positioning seat, and the two pairs of positioning wheels are arranged up and down and are used for positioning the same cover plate. The positioning wheel has smaller axial size.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims (10)

1. Vacuum interrupter assembly fixture, its characterized in that includes:
the base comprises a base body and a mobile platform assembled on the base body, and the mobile platform is used for bearing the vacuum arc extinguish chamber;
the supporting piece is arranged on the base;
the positioning wheels are arranged on the supporting piece, and are arranged in pairs, and the axes of the positioning wheels are parallel;
the positioning wheels are provided with at least two pairs, wherein at least one pair is a static cover plate positioning wheel used for positioning and matching with the peripheral surface of a static cover plate of the vacuum arc extinguish chamber, a static cover plate positioning interval used for positioning and matching with the static cover plate is formed between the same pair of static cover plate positioning wheels, at least one pair is a movable cover plate positioning wheel used for positioning and matching with the peripheral surface of a movable cover plate of the vacuum arc extinguish chamber, and a movable cover plate positioning interval used for positioning and matching with the movable cover plate is formed between the same pair of movable cover plate positioning wheels, so that the movable cover plate and the static cover plate are coaxial when the static cover plate is positioned and matched with the static cover plate positioning wheel and the movable cover plate is positioned and matched with the movable cover plate positioning wheel;
the moving table is assembled on the base body in a sliding manner along the normal direction of the plane where the axes of the positioning wheels of the same pair are located.
2. The vacuum arc-extinguishing chamber assembly tool according to claim 1, wherein the two supporting members are provided, one of the two supporting members is a fixed supporting member fixed on the base, the other one is a movable supporting member, the fixed cover plate positioning wheels and the movable cover plate positioning wheels are provided on both the movable supporting member and the fixed supporting member, the paired movable cover plate positioning wheels on the fixed supporting member and the paired movable cover plate positioning wheels on the movable supporting member are used for being oppositely arranged along the radial direction of the movable cover plate, the paired fixed cover plate positioning wheels on the fixed supporting member and the paired fixed cover plate positioning wheels on the movable supporting member are used for being oppositely arranged along the radial direction of the fixed cover plate, the movable supporting member is slidably assembled on the base along the normal direction of the plane where the axes of the same pair of positioning wheels are located, so that the two pairs of opposite movable cover plate positioning bodies are close to or far away from each other along the radial direction of the movable cover plate, and the two pairs of opposite fixed cover plate positioning bodies are close to or far away from each other along the radial direction of the fixed cover plate, and the movable supporting member is used for pushing the vacuum arc-extinguishing chamber on the movable table to the fixed supporting member when the movable supporting member is close to each other.
3. The assembly fixture for the vacuum arc-extinguishing chamber according to claim 2, wherein the base body is provided with a guide rail, and the movable supporting member and the moving platform are slidably assembled on the same guide rail in a guiding manner.
4. The vacuum interrupter assembly fixture of claim 1, 2, or 3, wherein the two positioning wheels of the same pair are horizontally movably disposed on the support member, so that a positioning gap between the two positioning wheels for positioning the vacuum interrupter is adjustable, and the vacuum interrupter assembly fixture includes a position locking structure for maintaining a position of the coaxial positioning body after the position of the coaxial positioning body is adjusted.
5. The vacuum arc-extinguishing chamber assembly tool according to claim 4, characterized in that the support member is provided with a sliding adjusting block, the positioning wheels are assembled on the sliding adjusting block, the sliding adjusting blocks corresponding to the same pair of positioning wheels are connected through a stud, and the thread directions of the two ends of the stud are opposite to each other, so that the two positioning wheels of the same pair are close to or far away from each other by rotating the stud.
6. The vacuum arc-extinguishing chamber assembly tool according to claim 5, wherein the position locking structure comprises a locking nut which is in threaded connection with the sliding adjusting block and fastens the sliding adjusting block, the positioning seat is provided with a long hole which is guided by the sliding adjusting block to slidably move and adjust the position of the sliding adjusting block, one end of the sliding adjusting block is in stop fit with the positioning seat, the other end of the sliding adjusting block is provided with a thread which is in threaded fit with the locking nut and locks the sliding adjusting block, and the locking nut fastens the sliding adjusting block on the positioning seat through threaded fit with the sliding adjusting block.
7. The vacuum arc extinguish chamber assembly tool according to claim 1, 2 or 3, wherein the support is provided with a positioning seat, and the positioning seat can be assembled on the support in an up-and-down moving manner, so that the up-and-down position of the positioning seat can be adjusted; the positioning wheel is arranged on the positioning seat so as to adjust the up-and-down position of the positioning wheel by moving the positioning seat up and down.
8. The vacuum arc extinguish chamber assembly tool according to claim 7, wherein the supporting piece is a stand column, the positioning seat is provided with a fixing through groove for the stand column to penetrate through, a threaded fastener is arranged at a notch of the fixing through groove, the notch of the fixing through groove can be narrowed down through forward screwing of the threaded fastener so that the positioning seat is fixed to the stand column, and the narrowed notch of the fixing through groove can be restored through reverse screwing of the threaded fastener so that the positioning seat and the stand column can be loosened.
9. The vacuum interrupter assembly tool according to claim 1, 2, or 3, wherein a positioning bearing is disposed on the support, and the positioning wheel is formed by the positioning bearing.
10. The vacuum interrupter assembly tooling of claim 1, 2 or 3 wherein the support is a post disposed on the base.
CN201911304189.2A 2019-12-17 2019-12-17 Vacuum interrupter assembly fixture Active CN112992576B (en)

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