CN217158023U - Valve hall earthing switch and moving contact structure - Google Patents
Valve hall earthing switch and moving contact structure Download PDFInfo
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- CN217158023U CN217158023U CN202122954486.0U CN202122954486U CN217158023U CN 217158023 U CN217158023 U CN 217158023U CN 202122954486 U CN202122954486 U CN 202122954486U CN 217158023 U CN217158023 U CN 217158023U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The utility model provides a valve room earthing switch and moving contact structure, the moving contact structure includes ground connection conducting rod and installs the moving contact on ground connection conducting rod through the contact seat, moving contact and the components of a whole that can function independently setting of contact seat, be equipped with the tip male jack that supplies the moving contact on the contact seat, install threaded fastener on the contact seat, threaded fastener has the axial adjustment optional position's that makes the moving contact follow the jack when unscrewing first operating condition, threaded fastener still has and carries out the second operating condition fixed to the moving contact of adjusting the optional position when screwing. During the installation moving contact, insert the moving contact in the jack, fix the moving contact through the threaded fastener of screwing behind the preliminary definite position, in the debugging process, if the moving contact stretches out that length is improper, the threaded fastener of can unscrewing makes the moving contact adjust to suitable position, then the threaded fastener of screwing, can guarantee through adjustment many times that the degree of depth that the moving contact inserted the static contact satisfies valve room earthing switch's operation requirement.
Description
Technical Field
The utility model relates to a valve room earthing switch technical field, concretely relates to valve room earthing switch and movable contact structure.
Background
The valve hall grounding switch is important equipment in a valve hall of the extra-high voltage direct current converter station and is safety guarantee for overhauling other equipment in the valve hall. The grounding device can be arranged on a midpoint side, a YY converter transformer side, a YD converter transformer side and a neutral bus side in a valve hall according to the design requirements of a system, and can reliably and effectively ground equipment such as a converter transformer, a neutral bus and the like according to the requirements of the system at a switching-on position; can bear the short-circuit current of the system under the fault state of the system.
The conventional side wall formula installation that adopts of valve room earthing switch, for example, the chinese utility model patent that the publication number is CN203631402U discloses an earthing switch for high-end direct current valve room, including switch chassis and conducting rod rotating device, the counter weight device, ground connection conducting rod, operating device and static contact device, switch chassis and rotating device are fixed to be set up on valve room wall, the counter weight device is connected with rotating device, ground connection conducting rod one end is connected with rotating device, the moving contact is connected to the other end, operating device passes through drive mechanism and is connected with rotating device, the drive conducting rod rotates and inserts the moving contact in the static contact in the generating line gold utensil shielding ball, realize closing a floodgate. The moving contact is arranged at the end part of the grounding conducting rod through the contact seat, and the contact seat can slide and be fixed on the grounding conducting rod, so that the position of the moving contact can be adjusted, and the moving contact is fastened by a jackscrew and a bolt after being adjusted in place.
The moving contact can only change a fixed position along the extending direction of the grounding conducting rod, the moving contact and the contact seat are often integrally connected, the length of the moving contact is determined, the depth of the moving contact inserted into the fixed contact cannot be adjusted, and the use requirement cannot be met in many times. In addition, the moving contact cannot swing relative to the grounding conducting rod, so that the angle of the moving contact which is most suitable for being inserted into the static contact cannot be adjusted, and if the angle is serious, the moving contact cannot be accurately and stably inserted into the static contact.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a movable contact structure which can adjust the depth of the movable contact inserted into the static contact; an object of the utility model is also to provide a can adjust the valve room earthing switch that the moving contact inserted the static contact degree of depth.
In order to achieve the above object, the utility model provides a movable contact structure adopts following technical scheme:
the utility model provides a moving contact structure, include ground connection conducting rod and install the moving contact on ground connection conducting rod through the contact seat, the tip at ground connection conducting rod is fixed to the contact seat, be provided with the adjustment structure that is used for along the extending direction adjustment contact seat fixed position of ground connection conducting rod between contact seat and the ground connection conducting rod, moving contact and the components of a whole that can function independently setting of contact seat, be equipped with the tip male jack that supplies the moving contact on the contact seat, install threaded fastener on the contact seat, threaded fastener has the axial adjustment optional position's that makes the moving contact follow the jack when unscrewing first operating condition, threaded fastener still has and carries out fixed second operating condition to the moving contact of adjusting optional position when screwing.
The beneficial effects of the above technical scheme are that: the utility model provides a moving contact and contact seat components of a whole that can function independently set up, are equipped with the tip male jack that supplies the moving contact on the contact seat to install threaded fastener on the contact seat, threaded fastener has two operating condition, makes the moving contact along the axial adjustment optional position's of jack first operating condition when screwing in loose respectively, and carries out fixed second operating condition to the moving contact of adjusting the optional position when screwing in. Like this when the installation moving contact, insert the jack with the moving contact tip in, fix the moving contact through the threaded fastener of screwing after tentatively confirming the position of moving contact, in the debugging process, if the extension length of moving contact is improper, can loosen threaded fastener, make the moving contact adjust to suitable position along the axial of jack, then the threaded fastener of screwing again can fix the moving contact. Because the movable contact can be adjusted to any position along the axial direction of the jack, and the threaded fastener can fix the movable contact adjusted to any position, the depth of the movable contact inserted into the static contact can be ensured to meet the use requirement of the valve hall grounding switch through multiple times of adjustment.
Further, the contact seat comprises a first seat plate and a second seat plate, arc-shaped grooves are formed in the first seat plate and the second seat plate respectively, and the jack is formed by enclosing the arc-shaped grooves in the first seat plate and the second seat plate.
The beneficial effects of the above technical scheme are that: simple structure and convenient processing and manufacturing.
Further, the first seat plate and the second seat plate are detachably connected through a fixing bolt.
The beneficial effects of the above technical scheme are that: the fixing and the dismounting between the two seat boards are convenient.
Further, the arc-shaped grooves in the first seat plate and the second seat plate are both minor arc grooves, and the threaded fastener comprises the fixing bolt.
The beneficial effects of the above technical scheme are that: the moving contact is conveniently clamped through the fixing bolt, and the fixing between the moving contact and the contact seat is realized.
Further, the first seat plate and the second seat plate have the same structure.
The beneficial effects of the above technical scheme are that: the processing and the manufacturing are convenient.
Furthermore, one end of the moving contact, which is used for being plugged with the fixed contact, is provided with a conical guide head.
The beneficial effects of the above technical scheme are that: the plug-in connection with the static contact is convenient.
Further, first bedplate and second bedplate all including be provided with the moving contact connecting portion of arc recess and be used for with ground connection conducting rod fixed connection's conducting rod connecting portion, the one end that is close to conducting rod connecting portion of arc recess is provided with the spacing face that is used for restricting moving contact installation extreme position, and ground connection conducting rod is located between two conducting rod connecting portions.
The beneficial effects of the above technical scheme are that: the moving contact is convenient to install, and meanwhile, the contact seat and the grounding conducting rod are convenient to connect.
Furthermore, the grounding conducting rod comprises a cylindrical grounding cutter bar and a switch blade block fixed at the end part of the grounding cutter bar, the switch blade block is in a flat square shape, the thickness of the conducting rod connecting part is smaller than that of the moving contact connecting part, so that a clamping groove for clamping the switch blade block is formed between the two conducting rod connecting parts, and the two conducting rod connecting parts are fixedly connected through a locking bolt.
The beneficial effects of the above technical scheme are that: the contact seat is convenient to process and manufacture, the contact seat is convenient to be connected with the grounding conductive rod, and the fixed position of the contact seat is convenient to change.
Furthermore, the locking bolts are provided with an upper group and a lower group, and the distance between the upper group and the lower group of the locking bolts is larger than the height of the knife switch block.
The beneficial effects of the above technical scheme are that: when the locking bolt is loosened, the contact seat and the switch blade block are conveniently rotated relatively, the installation angle of the contact seat is changed, the most appropriate angle for inserting the moving contact into the static contact is further adjusted, and the moving contact is accurately and stably inserted into the static contact.
In order to achieve the above object, the utility model provides a valve room earthing switch adopts following technical scheme:
the utility model provides a valve room earthing switch, including static contact structure and moving contact structure, the moving contact structure includes ground connection conducting rod and installs the moving contact on ground connection conducting rod through the contact seat, the tip at ground connection conducting rod is fixed to the contact seat, be provided with the adjustment structure that is used for along the extending direction adjustment contact seat fixed position of ground connection conducting rod between contact seat and the ground connection conducting rod, moving contact and the setting of contact seat components of a whole that can function independently, be equipped with the tip male jack of confession moving contact on the contact seat, install threaded fastener on the contact seat, threaded fastener has the axial adjustment optional position's of messenger's contact edge jack first operating condition when the unscrewing first operating condition, threaded fastener still has when screwing and carries out fixed second operating condition to the moving contact of optional position to the adjustment.
The beneficial effects of the above technical scheme are that: the utility model provides a moving contact and contact seat components of a whole that can function independently set up, are equipped with the tip male jack that supplies the moving contact on the contact seat to install threaded fastener on the contact seat, threaded fastener has two operating condition, makes the moving contact along the axial adjustment optional position's of jack first operating condition when screwing in loose respectively, and carries out fixed second operating condition to the moving contact of adjusting the optional position when screwing in. Like this when the installation moving contact, insert the jack with the moving contact tip in, fix the moving contact through the threaded fastener of screwing after tentatively confirming the position of moving contact, in the debugging process, if the extension length of moving contact is improper, can loosen threaded fastener, make the moving contact adjust to suitable position along the axial of jack, then the threaded fastener of screwing again can fix the moving contact. Because the movable contact can be adjusted to any position along the axial direction of the jack, and the threaded fastener can fix the movable contact adjusted to any position, the depth of the movable contact inserted into the static contact can be ensured to meet the use requirement of the valve hall grounding switch through multiple times of adjustment.
Further, the contact seat comprises a first seat plate and a second seat plate, arc-shaped grooves are formed in the first seat plate and the second seat plate respectively, and the jack is formed by enclosing the arc-shaped grooves in the first seat plate and the second seat plate.
The beneficial effects of the above technical scheme are that: simple structure and convenient processing and manufacturing.
Further, the first seat plate and the second seat plate are detachably connected through a fixing bolt.
The beneficial effects of the above technical scheme are that: the fixing and the dismounting between the two seat boards are convenient.
Further, the arc-shaped grooves in the first seat plate and the second seat plate are both minor arc grooves, and the threaded fastener comprises the fixing bolt.
The beneficial effects of the above technical scheme are that: the moving contact is conveniently clamped through the fixing bolt, and the fixing between the moving contact and the contact seat is realized.
Further, the first seat plate and the second seat plate have the same structure.
The beneficial effects of the above technical scheme are that: the processing and the manufacturing are convenient.
Furthermore, one end of the moving contact, which is used for being plugged with the fixed contact, is provided with a conical guide head.
The beneficial effects of the above technical scheme are that: the plug-in connection with the static contact is convenient.
Further, first bedplate and second bedplate all including be provided with the moving contact connecting portion of arc recess and be used for with ground connection conducting rod fixed connection's conducting rod connecting portion, the one end that is close to conducting rod connecting portion of arc recess is provided with the spacing face that is used for restricting moving contact installation extreme position, and ground connection conducting rod is located between two conducting rod connecting portions.
The beneficial effects of the above technical scheme are that: the moving contact is convenient to install, and meanwhile, the contact seat and the grounding conducting rod are convenient to connect.
Furthermore, the grounding conducting rod comprises a cylindrical grounding cutter bar and a switch blade block fixed at the end part of the grounding cutter bar, the switch blade block is in a flat square shape, the thickness of the conducting rod connecting part is smaller than that of the moving contact connecting part, so that a clamping groove for clamping the switch blade block is formed between the two conducting rod connecting parts, and the two conducting rod connecting parts are fixedly connected through a locking bolt.
The beneficial effects of the above technical scheme are that: the contact seat is convenient to process and manufacture, the contact seat is convenient to be connected with the grounding conductive rod, and the fixed position of the contact seat is convenient to change.
Furthermore, the locking bolts are provided with an upper group and a lower group, and the distance between the upper group and the lower group of the locking bolts is larger than the height of the knife switch block.
The beneficial effects of the above technical scheme are that: when the locking bolt is loosened, the contact seat and the switch blade block are conveniently rotated relatively, the installation angle of the contact seat is changed, the most appropriate angle for inserting the moving contact into the static contact is further adjusted, and the moving contact is accurately and stably inserted into the static contact.
Drawings
Fig. 1 is a structural diagram of the grounding switch of the middle valve hall of the present invention;
fig. 2 is a structural diagram of a first seat plate in a moving contact structure of the grounding switch of the middle valve hall of the present invention.
In the figure: 1. a ground conductive rod; 11. grounding the cutter bar; 12. a knife switch block; 2. a contact seat; 21. a first seat plate; 211. a moving contact connecting part; 212. a conductive rod connecting portion; 213. an arc-shaped groove; 214. a limiting surface; 215. fixing a bolt mounting hole; 216. locking bolt mounting holes; 22. a second seat plate; 23. fixing the bolt; 24. locking the bolt; 3. a moving contact; 4. a conical guide head; 5. static contact structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, i.e., the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present, 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, terms such as "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 an … …," or the like, does not exclude the presence of other like elements 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 utility model discloses an embodiment of well valve room earthing switch is shown in figure 1, including static contact structure 5 and moving contact structure, moving contact structure includes ground connection conducting rod 1 and installs moving contact 3 on ground connection conducting rod 1 through contact seat 2, and contact seat 2 fixes the tip at ground connection conducting rod 1, is provided with the adjustment structure that is used for along ground connection conducting rod 1's extending direction adjustment contact seat 2 fixed position between contact seat 2 and the ground connection conducting rod 1.
The utility model discloses in, moving contact 3 and the components of a whole that can function independently setting of contact seat 2 are equipped with the tip male jack that supplies moving contact 3 on the contact seat 2, still install threaded fastener on the contact seat 2, and threaded fastener has the axial adjustment optional position's that makes moving contact 3 follow the jack when unscrewing first operating condition, and threaded fastener still has and carries out fixed second operating condition to adjusting the moving contact 3 of optional position when screwing.
Specifically, the contact base 2 includes a first base plate 21 and a second base plate 22, the two base plates have the same structure, and taking the first base plate 21 as an example, as shown in fig. 2, the first base plate 21 includes a movable contact connecting portion 211 for connecting the movable contact 3 and a conductive rod connecting portion 212 for being fixedly connected with the grounding conductive rod 1, an arc-shaped groove 213 is provided on the movable contact connecting portion 211, and the above-mentioned jack is enclosed by the arc-shaped grooves on the first base plate 21 and the second base plate 22.
Referring to fig. 1, the first seat plate 21 and the second seat plate 22 are detachably connected by the fixing bolt 23, so that bolt through holes are respectively formed in the two seat plates, as shown in fig. 2, the first seat plate 21 is provided with four fixing bolt mounting holes 215, each four fixing bolt mounting holes 215 are arranged on two sides of the arc-shaped groove 213, and the fixing bolt 23 passes through the bolt through holes in the two seat plates and then is connected with a fixing nut (not shown in the figure), so that the two seat plates are fixed. Moreover, the arc-shaped grooves on the first seat plate 21 and the second seat plate 22 are both inferior arc grooves, that is, the arc-shaped contour lines of the arc-shaped grooves in the cross section are less than a half circle, the arc-shaped contour lines are inferior arcs, and the two arc-shaped grooves cannot enclose a complete cylindrical hole, so that the movable contact 3 can be clamped after the fixing bolt 23 is screwed with the fixing nut, and the fixing bolt 23 and the fixing nut form the threaded fastener. Of course, when the fixing bolt 23 and the fixing nut are loosened, the movable contact 3 can be adjusted at any position along the axial direction of the jack.
As shown in fig. 2, one end of the arc-shaped groove 213 near the conductive rod connecting portion 212 is provided with a limiting surface 214 for limiting the installation limit position of the movable contact 3, and the thickness of the conductive rod connecting portion 212 is smaller than that of the movable contact connecting portion 211, i.e. one side of the seat plate is flat, and the other opposite side is stepped.
The grounding conductive rod 1 is located between two conductive rod connecting portions, specifically as shown in fig. 1, the grounding conductive rod 1 includes a cylindrical grounding cutter bar 11 and a switch block 12 fixed at an end of the grounding cutter bar 11, the switch block 12 is flat square, a clamping groove for clamping the switch block 12 is enclosed between the two conductive rod connecting portions, the clamping groove and the switch block 12 constitute the above-mentioned adjusting structure, and the clamping groove can be used for enabling the contact seat 2 to slide along the length direction of the switch block 12 to change the fixing position. After the contact block 2 is adjusted in place, the two conductive rod connecting portions are fixedly connected through the locking bolt 24, so as shown in fig. 2, the conductive rod connecting portion 212 is provided with a locking bolt mounting hole 216, and the locking bolt 24 passes through the locking bolt mounting holes on the two conductive rod connecting portions and then is fixedly connected with the locking nut, so that the two conductive rod connecting portions clamp the switch block 12.
Furthermore, the locking bolts 24 are provided with an upper group and a lower group, that is, four locking bolt mounting holes are formed in each seat plate, and the distance between the upper group and the lower group of locking bolts 24 is greater than the height of the knife switch block 12, so that when the locking bolts 24 are loosened, the contact base 2 and the knife switch block 12 can rotate relatively, the mounting angle of the contact base 2 is changed, the most appropriate angle for inserting the moving contact 3 into the static contact structure 5 is further adjusted, and the moving contact 3 is accurately and stably inserted into the static contact. As shown in fig. 1, a tapered guide head 4 is disposed at one end of the movable contact 3 for being inserted into the fixed contact, so as to facilitate insertion.
The utility model discloses a moving contact structure when the installation, at first utilize locking bolt 24 to fix two bedplate on brake block 12, then insert moving contact 3 in the jack that two bedplate enclose, behind the position of tentatively confirming moving contact 3, screw fixing bolt 23 and fixation nut fasten. Then, the manual operating mechanism performs a closing operation of the grounding knife bar, observes the angle and the insertion depth of the moving contact 3 contacting the static contact, adjusts the extension length of the moving contact 3 by loosening the fixing bolt 23 and the fixing nut, namely, adjusts the position of the moving contact 3 inserted into the jack, and fixes the moving contact 3 by the fixing bolt 23 and the fixing nut after the position of the moving contact 3 is proper. In addition, the angles of the contact seat 2 and the movable contact 3 can be adjusted by loosening the locking bolt 24 and the locking nut until the use requirement position is met, and during the adjustment, the fixed bolt 23 and the locking bolt 24 can be repeatedly loosened and adjusted.
The utility model discloses a moving contact structure both can adjust the extension length of moving contact 3, adjust the degree of depth that moving contact 3 inserted the static contact, can adjust the installation angle of moving contact 3 again, and moving contact 3 can follow the axial adjustment optional position of jack, and threaded fastener can fix moving contact 3 to the optional position of adjusting, consequently can satisfy valve hall earthing switch's operation requirement through adjustment many times, guarantee that moving contact 3 can be accurate when the combined floodgate, insert in the static contact steadily, improve on-the-spot installation effectiveness and operational reliability, make things convenient for the product fortune dimension in the life cycle.
In other embodiments of the valve hall earthing switch: the distance between the upper and lower groups of locking bolts can also be equal to the height of the switch block, and the installation angle of the contact seat cannot be adjusted at the moment.
In other embodiments of the valve hall earthing switch: the locking bolt for connecting the two conductive rod connecting parts can also penetrate through the switch blade block, and a long hole is required to be formed in the switch blade block so as to facilitate the sliding adjustment of the contact seat to a fixed position.
In other embodiments of the valve hall earthing switch: the grounding conducting rod does not comprise a knife switch block and only comprises a cylindrical grounding knife rod, and arc-shaped grooves can be formed in the connecting parts of the two conducting rods at the moment so as to be fixed in contact with the peripheral surface of the grounding knife rod.
In other embodiments of the valve hall earthing switch: the tip of first bedplate can be integrally connected with the installation piece, is provided with on the installation piece to be used for the cover to establish the hole at the outside cover of ground connection conducting rod, and the hole is established promptly to the cover this moment and is the adjustment structure, and of course for the position of convenient fixed mounting piece, need install the jackscrew on the installation piece, the structure and the first bedplate of second bedplate are different, and the installation piece is not connected to the second bedplate, and the second bedplate only forms the jack with the cooperation of first bedplate, and the jack this moment can be the through-hole, also does not have spacing face.
In other embodiments of the valve hall earthing switch: the moving contact is integrally cylindrical, and a conical guide head is not arranged at the end part of the moving contact.
In other embodiments of the valve hall earthing switch: the first seat plate and the second seat plate have different structures, for example, a fixing bolt mounting hole on the first seat plate is a unthreaded hole, a fixing bolt mounting hole on the second seat plate is a threaded hole, the two seat plates are only connected through a fixing bolt at the moment, and a threaded fastener at the moment only consists of a fixing bolt; in a similar way, the locking bolt mounting hole on the first seat plate is a unthreaded hole, and the locking bolt mounting hole on the second seat plate is a threaded hole.
In other embodiments of the valve hall earthing switch: the arc-shaped grooves in the first seat plate and the second seat plate are semi-cylindrical grooves, the two arc-shaped grooves are combined to form a completed cylindrical hole, the moving contact cannot be fixed by the fixing bolt at the moment, a jackscrew is required to be additionally installed on the first seat plate or the second seat plate to tightly jack and fix the moving contact, and the jackscrew forms a threaded fastener at the moment.
In other embodiments of the valve hall earthing switch: first bedplate and second bedplate can be welded fastening, perhaps fixes through the clamp, and the jackscrew of needs installation comes to carry out the tight fixed in top to the moving contact this moment on first bedplate or second bedplate, and the jackscrew constitutes threaded fastener.
In other embodiments of the valve hall earthing switch: the contact seat is not a split first seat plate and a split second seat plate but an integrated contact seat, at the moment, cylindrical jacks are directly processed on the contact seat, jackscrews are naturally required to be installed on the contact seat to jack and fix the moving contact, the jackscrews form a threaded fastener, and meanwhile, sleeve holes for sleeving the outer parts of the grounding conductive rods are also processed on the contact seat, and the jackscrews are also utilized to jack and fix the grounding conductive rods.
In other embodiments of the valve hall earthing switch: the contact seat may not be sleeved outside the grounding conductive rod, for example, when the grounding conductive rod includes a grounding cutter bar and a flat square switch blade block, the contact seat is provided with a fixing plate attached and fixed to the switch blade block, and at this time, a long hole for the bolt to pass through may be provided in the switch blade block or the fixing plate to serve as an adjustment structure.
The embodiment of the middle moving contact structure of the utility model is: the specific structure of the moving contact structure is the same as that of the moving contact structure in the valve hall grounding switch embodiment, and the detailed description is omitted here.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a moving contact structure, includes ground connection conducting rod (1) and installs moving contact (3) on ground connection conducting rod (1) through contact seat (2), and the tip at ground connection conducting rod (1) is fixed in contact seat (2), is provided with the adjustment structure that is used for along the extending direction adjustment contact seat (2) fixed position of ground connection conducting rod (1) between contact seat (2) and ground connection conducting rod (1), its characterized in that: moving contact (3) and contact seat (2) components of a whole that can function independently set up, are equipped with the tip male jack that supplies moving contact (3) on contact seat (2), install threaded fastener on contact seat (2), and threaded fastener has the axial adjustment optional position's of moving contact (3) along the jack first operating condition when unscrewing, and threaded fastener still has and carries out fixed second operating condition to moving contact (3) of optional position when screwing.
2. A movable contact structure according to claim 1, wherein: the contact seat (2) comprises a first seat plate (21) and a second seat plate (22), arc-shaped grooves are respectively formed in the first seat plate (21) and the second seat plate (22), and the insertion holes are formed in the first seat plate (21) and the second seat plate (22) in a surrounding mode.
3. A movable contact structure according to claim 2, wherein: the first seat plate (21) and the second seat plate (22) are detachably connected through a fixing bolt (23).
4. A moving contact structure according to claim 3, characterised in that: the arc grooves on the first seat plate (21) and the second seat plate (22) are minor arc grooves, and the threaded fastener comprises the fixing bolt (23).
5. A moving contact structure according to any of claims 2 to 4, characterised in that: the first seat plate (21) and the second seat plate (22) have the same structure.
6. A moving contact structure according to any of claims 1 to 4, characterised in that: one end of the moving contact (3) which is used for being spliced with the fixed contact is provided with a conical guide head (4).
7. A moving contact structure according to any of claims 2 to 4, characterised in that: first bedplate (21) and second bedplate (22) all include the moving contact connecting portion that are provided with the arc recess and be used for with ground connection conducting rod (1) fixed connection's conducting rod connecting portion, the one end that is close to conducting rod connecting portion of arc recess is provided with the spacing face that is used for restricting moving contact (3) installation extreme position, ground connection conducting rod (1) are located between two conducting rod connecting portions.
8. The movable contact structure of claim 7 wherein: the grounding conducting rod (1) comprises a cylindrical grounding cutter bar (11) and a switch block (12) fixed at the end part of the grounding cutter bar (11), the switch block (12) is flat square, the thickness of the conducting rod connecting part is smaller than that of the moving contact connecting part, so that a clamping groove for clamping the switch block (12) is formed between the two conducting rod connecting parts, and the two conducting rod connecting parts are fixedly connected through a locking bolt (24).
9. The movable contact structure of claim 8 wherein: the locking bolts (24) are provided with an upper group and a lower group, and the distance between the upper group and the lower group of the locking bolts (24) is larger than the height of the knife switch block (12).
10. A valve room earthing switch which characterized in that: comprising a stationary contact structure and a movable contact structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122954486.0U CN217158023U (en) | 2021-11-29 | 2021-11-29 | Valve hall earthing switch and moving contact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122954486.0U CN217158023U (en) | 2021-11-29 | 2021-11-29 | Valve hall earthing switch and moving contact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217158023U true CN217158023U (en) | 2022-08-09 |
Family
ID=82685594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122954486.0U Active CN217158023U (en) | 2021-11-29 | 2021-11-29 | Valve hall earthing switch and moving contact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217158023U (en) |
-
2021
- 2021-11-29 CN CN202122954486.0U patent/CN217158023U/en active Active
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