CN106785517B - Connecting fitting and converter station using same - Google Patents
Connecting fitting and converter station using same Download PDFInfo
- Publication number
- CN106785517B CN106785517B CN201710081940.1A CN201710081940A CN106785517B CN 106785517 B CN106785517 B CN 106785517B CN 201710081940 A CN201710081940 A CN 201710081940A CN 106785517 B CN106785517 B CN 106785517B
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- split
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- support
- hardware
- conductor
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- 239000004020 conductor Substances 0.000 claims abstract description 78
- 239000003990 capacitor Substances 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/22—Connectors or connections adapted for particular applications for transformers or coils
Abstract
The invention relates to a connecting fitting and a converter station using the same, wherein the connecting fitting comprises a conductor for realizing electric connection between corresponding devices, and a fitting support arranged between the devices in the extending direction of the conductor in use, and the conductor is connected to the fitting support through a connecting structure. The connecting fitting comprises the fitting supports arranged between corresponding devices in use, the wires are connected to the fitting supports through the connecting structure, and the elastic force of the wires is borne by the fitting supports, so that the influence of the elastic force of the wires on the device terminals due to complete action of the elastic force of the wires on the service life of the device terminals is avoided.
Description
Technical Field
The invention relates to a connecting fitting and a converter station using the same in the field of power transmission.
Background
In an extra-high voltage converter station, a wire with a large section diameter such as JLHN58K-1600 is generally adopted for connecting a wire between a grid-side wire outlet sleeve of a converter transformer and an RI capacitor, and because the wire has a larger diameter and larger rigidity, the wire connecting distance between the converter transformer and the RI capacitor is shorter, the wire is required to be bent and pre-arched when equipment is installed, and because of the error of manufacturing precision, the wire with larger diameter can generate larger installation stress on equipment terminals, the bending stress and the extrusion stress of the wire are larger, the stress of the equipment terminals transmitted to two ends is larger, the corresponding equipment terminals are deformed, and even the accident of cracking occurs. In addition, in the normal use process, the slight swinging of the equipment is unavoidable under the influence of various factors such as wind force, and the thicker-diameter wire can directly transmit the swinging force of one equipment to the equipment terminal of the other equipment, so that accidents such as the direct pulling-out of the equipment terminal, the breakage of the sleeve end cover and the like can occur. When the devices at the two ends displace due to factors such as earthquake, the acting force is larger, the devices are damaged, and the safety of a power grid is seriously threatened.
The present connecting fitting capable of reducing acting force on equipment terminals, such as the connecting fitting of a circuit breaker and a tubular busbar disclosed in Chinese patent CN203085983U, comprises a split conductor and split fittings arranged at two ends of the split conductor, wherein the split fitting is provided with a terminal connecting structure for connecting with corresponding equipment terminals. The bending and pre-arching stresses of the wires can be reduced to some extent by the use of split wires, but this simple split wire arrangement still has the following problems: the split conductor has a certain elastic force, and the corresponding equipment terminal is needed to bear the elastic force in the prior art, which still causes excessive load on the equipment terminal, and when the split conductor is applied to the wire-side wire outlet sleeve, the rebound force of the large-diameter conductor acts on the wire outlet sleeve and can tear the wire outlet sleeve.
Disclosure of Invention
The invention aims to provide a connecting fitting for solving the problem that in the prior art, the elastic force of a conductor is completely acted on a device terminal to cause the device terminal to be stressed too much; the invention also aims to provide a converter station using the connecting fitting.
In order to solve the problems, the technical scheme of the connecting fitting in the invention is as follows:
the connecting fitting comprises a conductor for realizing electric connection between corresponding devices, and further comprises a fitting support arranged between the devices in the extending direction of the conductor in use, wherein the conductor is connected to the fitting support through a connecting structure.
The conductor comprises at least two split wires distributed along the circumferential direction, two ends of each split wire are respectively connected with a first split fitting and a second split fitting, and the conductor also comprises a first terminal connecting structure electrically connected with the first split fitting and a second terminal connecting structure electrically connected with the second split fitting.
The hardware support comprises support rods positioned between the split conductors, the connecting structure further comprises split spacing rods connected between the support rods and the split conductors, and the first split hardware and the second split hardware are connected to two ends of the support rods.
The right-hand member and the second split fitting fixed connection of bracing piece, the left end and the articulated continuous of first split fitting of bracing piece, the articulated axis of bracing piece extends along controlling the direction.
The split conductor and the support rod are of an L-shaped structure with a short side and a long side, wherein more than two split spacers are arranged on the long side of the L-shaped structure.
The conductor further comprises a flexible wire connected between at least one terminal connection structure and the corresponding split fitting, and the fitting support is provided with a follow-up support section for avoiding transmission of acting force along the fitting support through self-adaptive action when the equipment shakes.
The follow-up support section is positioned at the end part of the hardware support, the follow-up support section is arranged on the first split hardware, the flexible conductor is connected between the first split hardware and the first terminal connecting structure, and the follow-up support section comprises a cross adjusting frame which can carry out transverse and longitudinal follow-up adjustment in the horizontal direction.
The cross adjusting frame comprises an upper adjusting frame provided with a longitudinal chute and a lower adjusting frame provided with a transverse chute, the upper adjusting frame is connected with the first split fitting, the cross adjusting frame further comprises a hinge unit connected between the upper adjusting frame and the lower adjusting frame, the hinge axis of the hinge unit extends along the left-right direction, the hinge unit comprises an upper unit and a lower unit which are hinged together, the upper unit comprises an upper connecting rod penetrating through the longitudinal chute, and the lower unit comprises a lower connecting rod penetrating through the transverse chute.
The lower connecting rod is a screw rod, and locking nuts positioned on the upper side and the lower side of the transverse sliding groove are rotatably arranged on the lower connecting rod.
The technical scheme of the converter station is as follows:
the converter station comprises a converter transformer and a capacitor, wherein a connecting fitting is connected between equipment terminals of the converter transformer and equipment terminals of the capacitor, the connecting fitting comprises a conductor used for realizing electric connection between corresponding equipment, and a fitting support arranged between the equipment in the extending direction of the conductor during use, and the conductor is connected to the fitting support through a connecting structure.
The conductor comprises at least two split wires distributed along the circumferential direction, two ends of each split wire are respectively connected with a first split fitting and a second split fitting, and the conductor also comprises a first terminal connecting structure electrically connected with the first split fitting and a second terminal connecting structure electrically connected with the second split fitting.
The hardware support comprises support rods positioned between the split conductors, the connecting structure further comprises split spacing rods connected between the support rods and the split conductors, and the first split hardware and the second split hardware are connected to two ends of the support rods.
The right-hand member and the second split fitting fixed connection of bracing piece, the left end and the articulated continuous of first split fitting of bracing piece, the articulated axis of bracing piece extends along controlling the direction.
The split conductor and the support rod are of an L-shaped structure with a short side and a long side, wherein more than two split spacers are arranged on the long side of the L-shaped structure.
The conductor further comprises a flexible wire connected between at least one terminal connection structure and the corresponding split fitting, and the fitting support is provided with a follow-up support section for avoiding transmission of acting force along the fitting support through self-adaptive action when the equipment shakes.
The follow-up support section is positioned at the end part of the hardware support, the follow-up support section is arranged on the first split hardware, the flexible conductor is connected between the first split hardware and the first terminal connecting structure, and the follow-up support section comprises a cross adjusting frame which can carry out transverse and longitudinal follow-up adjustment in the horizontal direction.
The cross adjusting frame comprises an upper adjusting frame provided with a longitudinal chute and a lower adjusting frame provided with a transverse chute, the upper adjusting frame is connected with the first split fitting, the cross adjusting frame further comprises a hinge unit connected between the upper adjusting frame and the lower adjusting frame, the hinge axis of the hinge unit extends along the left-right direction, the hinge unit comprises an upper unit and a lower unit which are hinged together, the upper unit comprises an upper connecting rod penetrating through the longitudinal chute, and the lower unit comprises a lower connecting rod penetrating through the transverse chute.
The lower connecting rod is a screw rod, and locking nuts positioned on the upper side and the lower side of the transverse sliding groove are rotatably arranged on the lower connecting rod.
The beneficial effects of the invention are as follows: the connecting fitting comprises the fitting supports arranged between corresponding devices in use, the conductors are connected to the fitting supports through the connecting structures, and the elastic force of the wires is borne through the fitting supports, so that the influence of the elastic force of the conductors on the device terminals due to complete action on the service lives of the device terminals is avoided.
Further, the first terminal connection structure is electrically connected with the first split fitting through the flexible conductor, and when the flexible conductor is electrically connected, the flexible conductor can ensure that two devices shake, acting force can not be transmitted to another device terminal through the flexible conductor by one device terminal, so that the electrical connection relation between the two devices is ensured, meanwhile, the fitting support is provided with a follow-up support section, the follow-up support section can carry out adaptive follow-up according to the action of the devices, so that acting force is prevented from being transmitted along the fitting support, the devices can not influence each other, and the service life of the device terminals is further ensured.
Drawings
Fig. 1 is a schematic structural view of a connection fitting in embodiment 1 of a converter station in the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a perspective view of FIG. 1;
FIG. 5 is a schematic view of the cross-shaped adjusting bracket in FIG. 1;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a top view of FIG. 5;
fig. 8 is a perspective view of fig. 5;
fig. 9 is a schematic structural view of a connection fitting in embodiment 2 of a converter station according to the present invention;
fig. 10 is a left side view of fig. 9;
FIG. 11 is a top view of FIG. 9;
fig. 12 is a perspective view of fig. 9;
FIG. 13 is a partial schematic view of the adjustment section of FIG. 9;
fig. 14 is a partial schematic view of the follower support section of fig. 9.
Detailed Description
Example 1 of the converter station is shown in fig. 1 to 8: the transformer comprises a converter transformer and a capacitor, wherein equipment terminals of the converter transformer, namely a net side outlet sleeve, are connected with equipment terminals 23 of the capacitor through connecting fittings, and the equipment terminals 23 of the capacitor are of a pipe bus structure. The connecting fitting comprises a conductor and fitting supports arranged along the arrangement direction of the conductor, the conductor comprises four split wires 4 uniformly distributed along the circumferential direction, the fitting supports comprise support rods 5 arranged between the split wires, the support rods 5 are aluminum alloy tubes, and the split wires 4 are connected with the support rods 5 through connecting structures. The split conductor 4 and the hardware support are of an L-shaped structure with a short side and a long side, the short side is vertically arranged, the long side is transversely arranged, the connecting structure comprises two split spacers 3 positioned on the long side of the L-shaped structure and one split spacer positioned on the short side of the L-shaped structure, and the split spacers are fixedly connected with the supporting rod and the split conductor respectively. The right end of the long side of the supporting rod is fixed with a second splitting fitting 2, the lower end of the short side of the supporting rod is hinged with a first splitting fitting 9 through a hinge pin 22, and the axis of the hinge pin 22 extends along the front-back direction. The first split fitting 9 comprises a first fitting plate and four vertical connecting pipes arranged vertically on the first fitting plate, the second split fitting 2 comprises a second fitting plate 35 and four transverse connecting pipes 36 arranged transversely on the second fitting plate 35, the right end of the long side of the split conductor 4 is inserted into the corresponding transverse connecting pipe 36, the lower end of the short side of the split conductor is inserted into the corresponding vertical connecting pipe, and the fixed electric connection between each connecting pipe and the corresponding split conductor is realized through crimping.
The right plate surface of the second hardware fitting plate 35 is provided with a second terminal connection structure, the second terminal connection structure is a second tubular female anchor ear 1 for holding the equipment terminal of the capacitor, and the second tubular female anchor ear 1 is fixed on the second hardware fitting plate 35 through anchor ear bolts 10 and is electrically connected with the second split hardware fitting. The first split fitting 9 is connected with a first terminal connecting structure 8 through four flexible wires 7, the first terminal connecting structure is also a tubular female hoop, the first terminal connecting structure is connected with equipment terminals of a converter transformer through bolts, one ends of the flexible wires 7 are welded on the first terminal connecting structure, the other ends of the flexible wires 7 are welded on a first fitting plate of the first split fitting, and the four flexible wires are respectively welded and connected with wire welding holes on the left side and the right side of the first split fitting. The hardware support further comprises a follow-up support section 6 connected to the first split hardware, wherein the follow-up support section 6 has two basic functions, one function is to support the support rod, the split hardware and the split conductor, and the whole connecting hardware is prevented from generating a pulling force on equipment terminals of the capacitor due to suspension; the other function is that when the converter transformer and the capacitor shake, the follow-up supporting section is used for adaptively adjusting the follow-up supporting section, so that the acting force between two devices is prevented from being transmitted, and the terminal of the device is prevented from being pulled to be broken. In this embodiment, the follow-up support section includes a cross adjusting frame capable of performing transverse and longitudinal follow-up adjustment in a horizontal direction, the cross adjusting frame includes an upper adjusting frame 21 provided with a longitudinal chute 30 and a lower adjusting frame 26 provided with a transverse chute 31, the upper adjusting frame 21 is connected with the first hardware board of the first split hardware by bolts, the upper adjusting frame has an inverted "n" shape structure, and the longitudinal chute 30 is arranged at the bottom of the upper adjusting frame 21; the lower adjusting frame 26 is of a door-shaped structure, the transverse sliding groove 31 is arranged on the cross beam 17 of the lower adjusting frame, and the lower end of the door frame 24 of the lower adjusting frame is provided with a connecting pin 25 for connecting with a terminal flange of a net-side outlet sleeve of the converter transformer. The cross adjusting frame further comprises a hinge unit connected between the upper adjusting frame and the lower adjusting frame, the hinge unit comprises an upper unit 20 and a lower unit 15 which are hinged together, the hinge axis of the hinge unit extends along the left-right direction, the upper unit comprises an upper connecting rod penetrating through a longitudinal chute 30, the lower unit comprises a lower connecting rod penetrating through a transverse chute 31, the upper connecting rod and the lower connecting rod are of screw structures, an upper connecting nut 14 is screwed on the upper connecting rod, locking nuts 18 are screwed on two sides of the cross beam on the lower connecting rod, a top 16 represents a gasket in fig. 5, a top 19 represents a hinge shaft for realizing the hinge connection of the upper unit and the lower unit, an insulating protective sleeve is sleeved on the periphery of a screw part penetrating through the chute for avoiding damage to threads when the connecting rod slides, one side of the insulating protective sleeve can play a role in protecting the connecting rod, and a certain electric isolation role can be played in addition. The space between the upper adjusting frame and the lower adjusting frame can be adjusted through the cooperation of the lower connecting rod and the locking nut 18, so that the height adjustment can be realized, the hinging unit can realize the angle adjustment, that is to say, the cross adjusting frame can realize the transverse and longitudinal adjustment in the horizontal direction and the adaptive adjustment of the height and the angle, thereby realizing the sliding and flexible rotation of hardware in all directions and eliminating the defects caused by wind load, earthquake and construction installation errors.
In the invention, the hardware support and the split spacer arranged between the hardware support and the split conductor form a mechanical support part, the split conductor, the split hardware, the hoop and the corresponding flexible conductor form an electric ventilation part, the installation is convenient, the adjustment is flexible, the electric ventilation part and the mechanical support part are not mutually influenced, the function is clear, and the electric performance and the mechanical performance are stable. The pre-arch force of the split conductor acts on the hardware support, and the hardware support plays roles in keeping the appearance of the split conductor and bearing the pre-arch force of the split conductor.
In other embodiments of the present converter station: the supporting rod can also be of a solid structure; the supporting rod can also be replaced by a frame structure with four supporting arms, the four supporting arms are respectively arranged corresponding to the split conductors, and the split conductors can be respectively fixed on the corresponding supporting arms; the follow-up support section can also be arranged on the second split fitting, or the follow-up support section is arranged on the first split fitting and the second split fitting; the arrangement form of the follow-up support section can also be changed, for example, the upper adjusting frame is hinged with the first split fitting, and the upper connecting rod and the lower connecting rod are directly and integrally arranged; the lower adjusting frame can also be directly arranged on the first terminal connecting structure; the first terminal connecting structure and the second terminal connecting structure are not limited to hoop structures, the arrangement form of the first terminal connecting structure and the second terminal connecting structure can be changed according to the structure form of the equipment terminal, for example, when the equipment terminal is a terminal connecting plate, the terminal connecting structure can also be a conducting plate structure, and the conducting plate is fixed with the connecting plate through bolts; the number of the split conductors can be selected according to the needs, such as three, five and the like, and certainly, when the through flow of equipment is smaller, the through flow can be realized through a single wire, and the connecting fitting can be applied to a 1100kV converter station; the support rod can also be made of insulating materials, such as glass fiber reinforced plastic; the follow-up adjusting section can also be arranged in the middle of the supporting rod.
Example 2 of the converter station is shown in fig. 9 to 14: the conductor comprises four split wires 5, four first flexible wires 3 and four second flexible wires 11, one ends of the four split wires are connected through a first split fitting 4, the other ends of the four split wires are connected through a second split fitting 10, the first flexible wires 3 are connected to the first split fitting 4, and the second flexible wires are connected to the second split fitting 10. The split conductor 5 and the support bar 6 are also in an L-shaped structure, but the two side lengths of the split conductor are almost identical, and only one split spacer 8 is arranged between the transverse side and the vertical side of the split conductor and the hardware support. The hardware support further comprises an adjusting section connected with the first split hardware and a follow-up supporting section 31 connected with the second split hardware, the adjusting section 30 comprises an upper support 32 and a lower support 15 hinged and connected with the first terminal connecting structure 2 through a support pin shaft 17, the axis of the support pin shaft 17 extends along the front-back direction, a height adjusting screw is arranged on the lower support 15, and the height adjusting screw is connected with the upper support 32 through a height adjusting nut 14. The tip of first flexible wire 3 is provided with first terminal connection structure 2, and first terminal connection structure 2 is the staple bolt structure that the butt joint formed, and wherein two first flexible wires 3 are connected on half staple bolts among them, and two other first flexible wires are connected on half staple bolts. Item 16 in fig. 10 represents a cotter pin; item 1 represents a device terminal of the converter transformer.
Be provided with first insulating sheath 19 on the second split fitting 10, follow-up supporting section 31 includes the guide bar 18 with first insulating sheath 19 direction removal complex, but second split fitting 10 left and right sliding relative guide bar 18 realizes the flexible regulation of fitting self when both ends equipment takes place the displacement, the guide bar has the guiding hole, be provided with second insulating sheath 9 in the guiding hole, bracing piece 6 and the cooperation of second insulating sheath 9 direction plug bush, bracing piece 6 can be moved about relative guide bar 18, the flexible regulation of fitting self when realizing both ends equipment takes place the displacement, the electric isolation between bracing piece 6 and the guide bar 18 has been realized simultaneously through second insulating sheath 9. The second split fitting 10 is connected with a second terminal connection structure through four second flexible wires 11, and the second terminal connection structure comprises a first connection hoop 33 connected to two second flexible wire ends and a second connection hoop 24 connected to the other two second flexible wire ends. The follow-up support section 31 further comprises a third connecting anchor ear for connection with the equipment terminal, i.e. the nut, of the capacitor and a universal joint block 21 connected between the guide rod 18 and the third connecting anchor ear. The other ends of the four second flexible wires are connected to the second split fitting through a fourth connecting hoop. Item 20 in the figure shows the U-shaped fork of the gimbal block; item 22 represents the pin in the gimbal block 21; item 12 represents a pin that enables the hinged connection of the support bar to the first split fitting.
The hardware support can offset rebound acting force of the split conductor on equipment at two ends, and meanwhile, when relative displacement of the two equipment is realized through self-adaptive adjustment of the follow-up support section, the hardware can be automatically adjusted, and larger acting force is avoided between the two equipment. The electric part is connected with the split conductor through the flexible conductor at the two ends, so that electric connection is realized, the flexible conductor can automatically adapt to displacement and angle change caused by external force, and larger acting force is avoided. The combined hardware fitting designed by the invention is convenient to install, flexible to adjust, stable and reliable in electrical performance and mechanical performance, and capable of realizing sliding and swinging of the hardware fitting along all directions of equipment terminals, effectively solving the problem of equipment terminal damage caused by overlarge stress of a grid-side outlet sleeve of the converter transformer, and simultaneously eliminating the defect caused by construction and installation errors. In other embodiments of the invention: the support rod and the second split fitting can also be fixedly connected; the universal joint block can also be replaced by a hinge structure with two hinge axes mutually perpendicular in the horizontal direction; when the hardware fitting manufacturing precision is high, the adjusting section is not required; the follower support section may also be connected not to the device terminals of the capacitor but to other locations of the capacitor, in which case the third connecting anchor may be replaced by a connecting flange.
Embodiments of the connection hardware are shown in fig. 1 to 14: the specific structure of the connection fitting is the same as that described in the embodiments of the converter stations described above, and will not be described in detail here.
Claims (10)
1. A connection fitting comprising conductors for making electrical connection between respective devices, characterized in that: the conductor is connected to the hardware support through a connecting structure, the conductor comprises at least two split wires evenly distributed along the circumferential direction, two ends of each split wire are respectively connected with a first split hardware and a second split hardware, the conductor further comprises a first terminal connecting structure electrically connected with the first split hardware and a second terminal connecting structure electrically connected with the second split hardware, the conductor further comprises a soft wire connected between at least one terminal connecting structure and the corresponding split hardware, the hardware support is provided with a follow-up supporting section used for avoiding acting force to be transmitted along the hardware support through self-adaptive actions when the equipment shakes, the follow-up supporting section is located at the end of the hardware support, the follow-up supporting section is arranged on the first split hardware, the soft wire is connected between the first split hardware and the first terminal connecting structure, the follow-up supporting section comprises a cross adjusting frame capable of being transversely and longitudinally adjusted along the horizontal direction, the cross adjusting frame comprises an upper adjusting frame provided with a longitudinal sliding groove and a lower adjusting frame provided with a transverse sliding groove, the upper adjusting frame is connected with the first cross adjusting frame and the lower adjusting frame is further comprises a connecting rod, the lower cross adjusting frame is connected with the lower adjusting frame in the horizontal sliding groove, the cross adjusting frame is further comprises a lower unit and an upper unit and a lower unit is arranged in the horizontal unit in the horizontal direction and is hinged to the lower unit.
2. The link fitting according to claim 1, wherein: the hardware support comprises support rods positioned between the split conductors, the connecting structure further comprises split spacing rods connected between the support rods and the split conductors, and the first split hardware and the second split hardware are connected to two ends of the support rods.
3. The link fitting according to claim 2, wherein: the right-hand member and the second split fitting fixed connection of bracing piece, the left end and the articulated continuous of first split fitting of bracing piece, the articulated axis of bracing piece extends along controlling the direction.
4. The link fitting according to claim 2, wherein: the split conductor and the support rod are of an L-shaped structure with a short side and a long side, wherein more than two split spacers are arranged on the long side of the L-shaped structure.
5. The link fitting according to claim 1, wherein: the lower connecting rod is a screw rod, and locking nuts positioned on the upper side and the lower side of the transverse sliding groove are rotatably arranged on the lower connecting rod.
6. Converter station, including converter transformer and condenser, its characterized in that: the device terminal of the converter transformer and the device terminal of the capacitor are connected with a connecting fitting, the connecting fitting comprises a conductor used for realizing electric connection between corresponding devices, the connector further comprises a fitting support arranged between the devices and used for being arranged in the middle of the device along the extending direction of the conductor, the conductor is connected to the fitting support through the connecting structure, the conductor comprises at least two split wires uniformly distributed along the circumferential direction, two ends of the split wires are respectively connected with a first split fitting and a second split fitting, the conductor further comprises a first terminal connecting structure electrically connected with the first split fitting and a second terminal connecting structure electrically connected with the second split fitting, the conductor further comprises a flexible wire connected between at least one terminal connecting structure and the corresponding split fitting, the fitting support is provided with a follow-up support section used for avoiding acting force to be transmitted along the fitting support through self-adaption action when the device shakes, the follow-up support section is arranged on the first split fitting, the flexible wire is connected between the first split fitting and the first terminal connecting structure, the follow-up support section comprises a cross-shaped adjusting unit capable of being transversely and longitudinally arranged along with the first split fitting, the cross-shaped adjusting unit is arranged on the lower side of the cross-shaped adjusting unit, and the cross-shaped adjusting unit is further arranged on the cross-shaped adjusting unit and comprises a lower adjusting unit, and an upper adjusting unit and a lower adjusting unit, and a lower adjusting unit is arranged along the cross-shaped unit, and a lower adjusting unit is arranged in the cross-shaped adjusting unit, and a lower adjusting unit, and an upper unit is arranged along the cross-shaped and a lower adjusting unit, and a lower adjusting unit.
7. A converter station according to claim 6, characterized in that: the hardware support comprises support rods positioned between the split conductors, the connecting structure further comprises split spacing rods connected between the support rods and the split conductors, and the first split hardware and the second split hardware are connected to two ends of the support rods.
8. A converter station according to claim 7, characterized in that: the right-hand member and the second split fitting fixed connection of bracing piece, the left end and the articulated continuous of first split fitting of bracing piece, the articulated axis of bracing piece extends along controlling the direction.
9. A converter station according to claim 7, characterized in that: the split conductor and the support rod are of an L-shaped structure with a short side and a long side, wherein more than two split spacers are arranged on the long side of the L-shaped structure.
10. A converter station according to claim 6, characterized in that: the lower connecting rod is a screw rod, and locking nuts positioned on the upper side and the lower side of the transverse sliding groove are rotatably arranged on the lower connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081940.1A CN106785517B (en) | 2017-02-15 | 2017-02-15 | Connecting fitting and converter station using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081940.1A CN106785517B (en) | 2017-02-15 | 2017-02-15 | Connecting fitting and converter station using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106785517A CN106785517A (en) | 2017-05-31 |
| CN106785517B true CN106785517B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081940.1A Active CN106785517B (en) | 2017-02-15 | 2017-02-15 | Connecting fitting and converter station using same |
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| Country | Link |
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| CN (1) | CN106785517B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199321B (en) * | 2017-12-21 | 2021-08-27 | 平高集团有限公司 | Tubular bus supporting hardware fitting |
| CN108667060B (en) * | 2018-04-18 | 2021-06-08 | 中国电力工程顾问集团西南电力设计院有限公司 | Method for improving operation reliability of converter valve tower in converter station |
| CN109494569A (en) * | 2018-11-15 | 2019-03-19 | 中国电力科学研究院有限公司 | A kind of connection gold utensil for change of current change and electrical equipment |
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| CN201601443U (en) * | 2010-01-25 | 2010-10-06 | 辽宁锦兴电力金具科技股份有限公司 | Bonding wire type tubular bus-bar expansion valve hall hardware fitting |
| CN201656386U (en) * | 2009-12-11 | 2010-11-24 | 河南省电力勘测设计院 | Wire inlet loop connecting device of main-transformer and low-voltage side of 500KV transformer substation |
| CN202268606U (en) * | 2011-10-25 | 2012-06-06 | 南京线路器材厂 | Current passage fitting bridging wall bushing and tubular bus and used for 400 kV converter station |
| CN203085983U (en) * | 2012-12-20 | 2013-07-24 | 河南省电力勘测设计院 | Connecting metal fitting between circuit breaker and pipe busbar |
| CN103855667A (en) * | 2012-12-08 | 2014-06-11 | 湖北省电力公司襄阳供电公司 | Phase-to-phase spacer adjustable end with inclination angle |
| CN206595412U (en) * | 2017-02-15 | 2017-10-27 | 国家电网公司 | Connection gold utensil and the current conversion station using the connection gold utensil |
-
2017
- 2017-02-15 CN CN201710081940.1A patent/CN106785517B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656386U (en) * | 2009-12-11 | 2010-11-24 | 河南省电力勘测设计院 | Wire inlet loop connecting device of main-transformer and low-voltage side of 500KV transformer substation |
| CN201601443U (en) * | 2010-01-25 | 2010-10-06 | 辽宁锦兴电力金具科技股份有限公司 | Bonding wire type tubular bus-bar expansion valve hall hardware fitting |
| CN202268606U (en) * | 2011-10-25 | 2012-06-06 | 南京线路器材厂 | Current passage fitting bridging wall bushing and tubular bus and used for 400 kV converter station |
| CN103855667A (en) * | 2012-12-08 | 2014-06-11 | 湖北省电力公司襄阳供电公司 | Phase-to-phase spacer adjustable end with inclination angle |
| CN203085983U (en) * | 2012-12-20 | 2013-07-24 | 河南省电力勘测设计院 | Connecting metal fitting between circuit breaker and pipe busbar |
| CN206595412U (en) * | 2017-02-15 | 2017-10-27 | 国家电网公司 | Connection gold utensil and the current conversion station using the connection gold utensil |
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| Publication number | Publication date |
|---|---|
| CN106785517A (en) | 2017-05-31 |
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