Interphase pull rod adjusting device for HGIS (hybrid gas insulated switchgear)

Abstract

The utility model relates to the technical field of power equipment, in particular to an interphase pull rod adjusting device for an HGIS (hybrid gas insulated switchgear). The device provided by the utility model comprises a side-phase circuit breaker cylinder connecting seat used for connecting a side-phase circuit breaker cylinder, and the side-phase circuit breaker cylinder connecting seat comprises two side-phase circuit breaker cylinder connecting plates arranged at intervals and a rotating shaft arranged between the two side-phase circuit breaker cylinder connecting plates. The two ends of the rotating shaft are respectively and rotatably matched with two side phase breaker cylinder connecting plates, an interphase pull rod is movably arranged on the rotating shaft in a penetrating mode in the radial direction, and an external thread section is arranged at the position, matched with the rotating shaft, of the interphase pull rod and provided with adjusting nuts on the two sides of the rotating shaft in the radial direction. The other end of the interphase pull rod is provided with an intermediate-phase circuit breaker cylinder connecting seat used for being connected with an intermediate-phase circuit breaker cylinder, and the interphase pull rod is hinged and matched with the intermediate-phase circuit breaker cylinder connecting seat. According to the utility model, the adjustable angle range of the connected three-phase circuit breaker cylinder is large, the adjustment range of the length distance between two phases is also large, the adaptability is high, and the installation is simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power equipment, concretely relates to an interphase pull rod adjusting device for HGIS. BACKGROUND

[0002] A variety of power equipment is needed when a new substation is built, and high-voltage switches are an essential element. HGIS (Hybrid Gas Insulated Switchgear) composite high-voltage switchgear has the advantages of reliable operation, small maintenance workload, short maintenance cycle, space saving, and easy installation, making it an ideal choice for high-voltage switches.

[0003] The conductive components and switch components in HGIS are integrated into a group of modules, which are entirely enclosed in a container filled with insulating gas. Therefore, the components in HGIS devices are arranged compactly and flexibly, and the connection forms of each component are more diversified and complex. Moreover, the workstations of the internal components are usually small in size, and the three-phase positions are spaced apart and not on the same horizontal plane. As a connecting component, the pull rod mainly connects the three independent phases. The traditional pull rod connects and controls the three-phase circuit breaker cylinders through the fixed joints at the ends. For three-phase joints not on the same horizontal plane, the angle of the fixed joints is fixed, and more adaptive connections cannot be made, so different angle joints are needed for the pull rod, resulting in high cost.

[0004] The utility model patent file with the authorized announcement number CN219286240U and the authorized announcement date 2023 / 06 / 30 discloses an adjustable pull rod structure for HGIS and HGIS. The structure includes a torsion transmission rod, both ends of the torsion transmission rod are provided with transmission connection joints, at least one transmission connection joint is adjustable in position along the extension direction of the torsion transmission rod; the transmission connection joint is a universal joint, one of the torsion transmission rod and the universal joint is provided with an external thread, and the other is provided with a threaded hole matched with the external thread, so that the torsion transmission rod and the universal joint are assembled together through threads. This structure sets a universal joint on at least one end of the torsion transmission rod, which is adjustable in position along the extension direction of the torsion transmission rod, thereby changing the length of the universal joint on the torsion transmission rod. The reversing of the universal joint also includes the function of angle adjustment. The universal joint can adjust different fixed positions and rotate different angles in the extension direction of the torsion transmission rod, so that the adjustable pull rod is suitable for HGIS devices with three-phase contact points not on the same plane.

[0005] The structure can improve the limitation that the fixed joint of the traditional pull rod cannot be adjusted, can be suitable for the connection of three phases not in the same horizontal plane, has high adaptability and is economical and effective, but when the connecting phase is used, the universal joint is directly connected with the phase contact, and when the included angle between the phase contact and the adjusting pull rod is adjusted to a small angle, interference is generated between the two, and the target angle cannot be reached. In addition, the universal joint and the torsion transmission rod are matched through threads, and the adjustable length is limited. If the threaded matching section is lengthened, the threaded hole of the universal joint is deepened, the weight of the universal joint is concentrated at the end, the strength of the threaded matching section is reduced, and the deepening of the threaded hole also increases the construction difficulty. Content of the utility model

[0006] The utility model discloses a phase-to-phase pull rod adjusting device for HGIS, which solves the problems that the existing adjusting pull rod cannot be matched and connected with the phase contact and the length of the torsion transmission rod is limited when the adjusting pull rod is used.

[0007] To achieve the above object, the utility model provides the following technical scheme: a phase-to-phase pull rod adjusting device for HGIS, which comprises a side-phase circuit breaker cylinder connecting seat for connecting a side-phase circuit breaker cylinder, the side-phase circuit breaker cylinder connecting seat comprises two side-phase circuit breaker cylinder connecting plates arranged at intervals and a rotating shaft arranged between the two side-phase circuit breaker cylinder connecting plates, the two ends of the rotating shaft are rotatably connected with the two side-phase circuit breaker cylinder connecting plates, a phase-to-phase pull rod is movably arranged on the rotating shaft in the radial direction, an external thread section is arranged at the position where the phase-to-phase pull rod is matched with the rotating shaft, adjusting nuts are arranged on the two sides of the rotating shaft in the radial direction on the external thread section, an intermediate-phase circuit breaker cylinder connecting seat for connecting an intermediate-phase circuit breaker cylinder is arranged at the other end of the phase-to-phase pull rod, and the phase-to-phase pull rod is hingedly connected with the intermediate-phase circuit breaker cylinder connecting seat.

[0008] Further, an adjusting sleeve is arranged between the rotating shaft and the adjusting nut on one side of the rotating shaft in the radial direction.

[0009] Further, a limiting sleeve is arranged between the rotating shaft and the adjusting nut on the other side of the rotating shaft in the radial direction.

[0010] Further, the top of the two side-phase circuit breaker cylinder connecting plates is triangular, and the rotating shaft is arranged at the top fixed point of the triangle.

[0011] Further, support bushings are arranged on the inner sides of the two side-phase circuit breaker cylinder connecting plates.

[0012] Further, the two ends of the rotating shaft are provided with snap spring grooves, and a snap spring arranged in the snap spring groove is used to prevent the rotating shaft from being separated from the corresponding side-phase circuit breaker cylinder connecting plate.

[0013] Further, a protective bushing is arranged in the rotating shaft at the position where the phase-to-phase pull rod is movably arranged.

[0014] Further, the rotating shaft is provided with a thickened segment at a position matched with the inter-phase pull rod.

[0015] Further, the thickened segment of the rotating shaft is provided with double-thin segments and the projection lines of the double-thin segments are perpendicular to the axis of the inter-phase pull rod.

[0016] Further, the intermediate-phase circuit breaker cylinder connecting seat comprises two intermediate-phase circuit breaker cylinder connecting plates which are symmetrically structured and are respectively hingedly matched with the inter-phase pull rod.

[0017] Beneficial effects: The rotating adjusting device for HGIS is an opening invention. The inter-phase pull rod adjusting device for HGIS mainly designs the position of the pull rod and the phase contact. The two end portions of the inter-phase pull rod are respectively rotatably connected with the two side-phase circuit breaker cylinder connecting plates which are arranged at intervals between the side-phase circuit breaker cylinder connecting seats. The rotation of the rotating shaft can change the angle of the side-phase circuit breaker cylinder connecting seat. When the side-phase circuit breaker cylinder connecting seat is connected with the side-phase circuit breaker cylinder, there is a certain distance between the side-phase circuit breaker cylinder connecting seat and the inter-phase pull rod, so that the interference between the side-phase circuit breaker cylinder and the inter-phase pull rod can be avoided. The outer thread segment is arranged at the matched position between the inter-phase pull rod and the rotating shaft. The adjusting nuts are respectively arranged at the two sides of the rotating shaft in the radial direction, so that the position of the rotating shaft can be adjusted. The adjusting range is large and the operation is convenient. The other end portion of the inter-phase pull rod is hingedly matched with the intermediate-phase circuit breaker cylinder connecting seat, so that the connection of the three-phase circuit breaker cylinder can be conveniently realized in the use process. Meanwhile, the angle of the two inter-phase pull rods can be changed. The device has a large adjustable angle range for the connected three-phase circuit breaker cylinder, a large adjustable length distance range between the two phases, high adaptability and simple installation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The inter-phase pull rod adjusting device structure schematic view is provided for the utility model.

[0019] Figure 2 The top view is provided for Figure 1 The A-A sectional view is provided for

[0020] Figure 3 The side-phase circuit breaker cylinder connecting seat structure schematic view is provided for

[0021] Figure 4 The intermediate-phase circuit breaker cylinder connecting seat structure schematic view is provided for

[0022] Figure 5 The side-phase circuit breaker cylinder connecting plate structure schematic view is provided for

[0023] Figure 6 The top view is provided for Figure 5 The A-A sectional view is provided for

[0024] Figure 7 is a structural schematic view of the connecting plate of the intermediate-phase circuit breaker cylinder;

[0025] Figure 8 is a B-B sectional view of the connecting plate of the intermediate-phase circuit breaker cylinder; Figure 7

[0026] Figure 9 is a structural schematic view of the rotating shaft;

[0027] Figure 10 is a C-C sectional view of the connecting plate of the intermediate-phase circuit breaker cylinder; Figure 9

[0028] Figure 11 is a structural schematic view of the inter-phase pull rod.

[0029] In the figure: 1, the connecting seat of the side-phase circuit breaker cylinder; 2, the connecting seat of the intermediate-phase circuit breaker cylinder; 3, the inter-phase pull rod; 4, the connecting plate of the side-phase circuit breaker cylinder; 5, the connecting plate of the intermediate-phase circuit breaker cylinder; 6, the outer threaded section; 7, the adjusting nut; 8, the protective bushing; 9, the rotating shaft; 10, the bolt; 11, the locking nut; 12, the washer; 13, the clamping spring; 14, the adjusting sleeve; 15, the limiting sleeve; 16, the supporting bushing; 17, the thickened section; 18, the double flat; 19, the side-phase circuit breaker cylinder; 20, the intermediate-phase circuit breaker cylinder; 21, the clamping spring groove. DETAILED DESCRIPTION

[0030] The features and performances of the utility model are described in further detail below in combination with the embodiments.

[0031] The inter-phase pull rod adjusting device for HGIS of the utility model is rotatably connected with the connecting seat of the side-phase circuit breaker cylinder through the rotating shaft, so that the position angle of the connecting phase contact is changed. In addition, the inter-phase pull rod is provided with the outer threaded section, and the position of the rotating shaft can be adjusted through cooperation with the adjusting nut, and the adjustment range is large.

[0032] As a basic scheme, as Figures 1-11 ​​As shown, the device comprises a side phase breaker cylinder connecting seat 1 for connecting the side phase breaker cylinder 19, the side phase breaker cylinder connecting seat 1 comprises two side phase breaker cylinder connecting plates 4 arranged at intervals and a rotating shaft 9 arranged between the two side phase breaker cylinder connecting plates 4, the two side phase breaker cylinder connecting plates 4 can be connected and fixed with the side phase breaker cylinder 19 by cooperating with the lock nuts 11 and the washers 12 through the bolts 10 in use, the bolts 10 are convenient to install and disassemble, the two ends of the rotating shaft 9 are respectively rotationally matched with the two side phase breaker cylinder connecting plates 4, the connection angle of the side phase breaker cylinder connecting seat 1 can be changed through the rotation of the rotating shaft 9, the rotating shaft 9 has simple structure, low manufacturing and installation cost, and good supporting property and stability, the inter-phase pull rod 3 is movably arranged on the rotating shaft 9 in the radial direction, the inter-phase pull rod 3 is used to connect the side phase breaker cylinder and the middle phase breaker cylinder, an outer threaded section 6 is arranged at the matched position of the inter-phase pull rod 3 and the rotating shaft 9, two adjusting nuts 7 are respectively arranged on the two sides of the rotating shaft 9 on the outer threaded section 6, the position of the rotating shaft 9 can be limited through the two adjusting nuts 7 after adjusting the position of the rotating shaft 9, so as to avoid the displacement of the rotating shaft 9 in use, the adjusting structure is more convenient for changing the position of the rotating shaft 9, and the adjustable length distance range is large, a middle phase breaker cylinder connecting seat 2 for connecting the middle phase breaker cylinder 20 is arranged at the other end of the inter-phase pull rod 3, the inter-phase pull rod 3 and the middle phase breaker cylinder connecting seat 2 are hingedly matched, so as to facilitate the rotation of the inter-phase pull rod 3.

[0033] As a preferred embodiment, as shown in the drawings, Figures 3-4 As shown, the adjusting sleeve 14 is arranged between the adjusting nut 7 and the one side of the rotating shaft 9 in the radial direction, and the limiting sleeve 15 is arranged between the adjusting nut 7 and the other side of the rotating shaft 9 in the radial direction, the position of the rotating shaft 9 can be roughly adjusted through the cooperation of the adjusting sleeve 14 and the adjusting nut 7 (for example, by removing it, etc.), and then the specific position of the rotating shaft 9 is adjusted through the cooperation of the limiting sleeve 15 and the other adjusting nut 7, in other embodiments, the adjusting sleeve 14 and the limiting sleeve 15 are not arranged, and the adjusting nut 7 is only used for adjustment and limiting, although the adjusting nut 7 needs to be adjusted for a long distance during installation, but it can also be limited.

[0034] As a preferred embodiment, as shown in the drawings, Figure 5As shown, the top of the two-side phase breaker cylinder connecting plate 4 is triangular, the rotating shaft 9 is arranged at the top fixed point of the triangular, and the two-side phase breaker cylinder connecting plate 4 can separate the phase breaker cylinder 19 from the inter-phase pull rod 3 by its own width when connecting with the phase breaker cylinder 19, the top is triangular and the top and two sides are long circular arc transition, which has high structural strength and is beautiful, the angle movement range between the two sides and the inter-phase pull rod 3 is large, which can be applied to the connection with small angle of the phase breaker cylinder 19, and the distance separated from the inter-phase pull rod 3 can avoid the interference between the phase breaker cylinder 19 and the inter-phase pull rod 3, in other embodiments, the top of the two-side phase breaker cylinder connecting plate 4 can be provided with a narrow width extension as the connecting part of the phase breaker cylinder 19, which can also avoid interference.

[0035] As a preferred embodiment, as shown in Figure 6 As shown, the inner side of the two-side phase breaker cylinder connecting plate 4 is respectively provided with a support bushing 16, which can be used as a support part when connecting the two support bushings 16 with the phase breaker cylinder 19, and the two-side phase breaker cylinder connecting plate 4 and the phase breaker cylinder 19 are fixed by the bolt 10, so that the connection between the two is more stable, in other embodiments, without the support bushing 16, the connection bolt 10 may be easily offset or have other problems, which reduces the service life of the component, but the connection can also be made.

[0036] As a preferred embodiment, as shown in Figure 9 As shown, the two ends of the rotating shaft 9 are provided with a snap spring groove 21, and the snap spring 13 arranged in the snap spring groove 21 is matched with the corresponding two-side phase breaker cylinder connecting plate to prevent the rotating shaft 9 from moving back and forth or even falling in the axial direction, in other embodiments, a rubber ring with a certain elasticity can be placed in the groove to achieve the limiting effect, or a stop pin can be worn on the shaft end, which also has the same effect.

[0037] As a preferred embodiment, as shown in Figures 9-10 As shown, the inside of the rotating shaft 9 is provided with a protective bushing 8 at the position where the inter-phase pull rod is worn, the rotating shaft 9 contacts with the external thread 6 of the inter-phase pull rod 3, and long-term use will cause certain wear to the rotating shaft 9, the protective bushing 8 can avoid direct contact with the rotating shaft 9, in other embodiments, without the protective bushing 8, the service life of the rotating shaft 9 will be reduced, but it will not affect its use.

[0038] As a preferred embodiment, as shown in Figure 9As shown, the rotating shaft 9 is provided with a thickened segment 17 at the position matched with the interphase pull rod, since the interphase pull rod 3 is arranged through the through hole in the rotating shaft 9, the strength of the rotating shaft 9 at the position of the through hole is low, cracks or even breakage is easily caused, the thickened segment 17 is arranged to improve the strength of the position and prolong the service life of the rotating shaft 9, in other embodiments, a reinforcing rib can be arranged at the through hole of the rotating shaft 9, which can also achieve the purpose of improving the local strength.

[0039] As a preferred embodiment, the rotating shaft 9 is provided with a double flat 18 at the thickened segment 17, and the projection line of the double flat 18 is perpendicular to the axis of the interphase pull rod 3, the double flat 18 can increase the contact surface of the rotating shaft 9 with the limiting sleeve 15 and the adjusting sleeve 14, disperse the local pressure of the rotating shaft 9, thereby improving the stability of the contact position, in other embodiments, the surface roughness of the contact position can be increased, such as sand blasting, grinding and the like, which can also achieve the effect of stable contact.

[0040] As a preferred embodiment, as shown in Figure 1 As shown in the drawings, the intermediate phase circuit breaker cylinder connecting seat includes two intermediate phase circuit breaker cylinder connecting plates 5, the two intermediate phase circuit breaker cylinder connecting plates 5 are symmetrical structures and are respectively hingedly matched with the interphase pull rods 3, in the use process, three phases are usually connected at the same time, the two intermediate phase circuit breaker cylinder connecting plates 5 are arranged as symmetrical structures and are respectively hingedly matched with the two interphase pull rods 3 through the rotating shaft 9, the angle between the two interphase pull rods 3 can be changed, in other embodiments, the two intermediate phase circuit breaker cylinder connecting plates 5 are arranged in the same way as the two side phase circuit breaker cylinder connecting plates 4, an additional connecting rod is needed to connect the two interphase pull rods 3, although the material consumption is relatively large and the space is occupied, compared with the preferred embodiment, the effect is not ideal, but the connection can also be achieved.

[0041] The above is only a preferred embodiment of the present application, and is not used to limit the present application, the patent protection scope of the present application is subject to the claims, any equivalent structural changes made according to the contents of the specification and drawings of the present application should also be included in the protection scope of the present application.

Claims

1. An interphase tie rod adjusting device for HGIS, characterized by, The device comprises phase side breaker cylinder connecting seats for connecting phase side breaker cylinders, the phase side breaker cylinder connecting seats comprise two phase side breaker cylinder connecting plates arranged at intervals and a rotating shaft arranged between the two phase side breaker cylinder connecting plates, two ends of the rotating shaft are respectively rotationally connected with the two phase side breaker cylinder connecting plates, an inter-phase pull rod is movably arranged on the rotating shaft in the radial direction, an external thread section is arranged at a position where the inter-phase pull rod is connected with the rotating shaft, adjusting nuts are arranged on both sides of the external thread section in the radial direction of the rotating shaft, an intermediate phase breaker cylinder connecting seat for connecting with an intermediate phase breaker cylinder is arranged at the other end of the inter-phase pull rod, and the inter-phase pull rod is hingedly connected with the intermediate phase breaker cylinder connecting seat.

2. The interphase tie rod adjusting device for HGIS according to claim 1, characterized by, An adjusting sleeve is arranged between the adjusting nut and the radial side of the rotating shaft.

3. The interphase tie rod adjusting device for HGIS according to claim 2, characterized in that, A limiting sleeve is arranged between the adjusting nut and the other radial side of the rotating shaft.

4. The interphase tie rod adjusting device for HGIS according to claim 1, characterized by, The top of the two phase side breaker cylinder connecting plates is triangular, and the rotating shaft is arranged at a fixed point at the top of the triangular.

5. The interphase tie rod adjusting device for HGIS according to claim 1, characterized in that, Supporting bushings are arranged on the inner sides of the two phase side breaker cylinder connecting plates.

6. The interphase tie rod adjusting device for HGIS according to claim 1 or 4, characterized in that, The two ends of the rotating shaft are provided with snap spring grooves, and the snap springs arranged in the snap spring grooves are used to prevent the rotating shaft from being separated from the corresponding phase side breaker cylinder connecting plate.

7. The interphase tie rod adjusting device for HGIS according to claim 1, characterized by, A protective bushing is arranged inside the rotating shaft at the position where the inter-phase pull rod is arranged.

8. The interphase tie rod adjusting device for HGIS according to claim 1, characterized by, The rotating shaft is provided with a thickened section at the position where the inter-phase pull rod is connected.

9. The interphase tie rod adjustment device for HGIS of claim 8, wherein, The thickened section of the rotating shaft is provided with double flat sections, and the projection lines of the double flat sections are perpendicular to the axis of the inter-phase pull rod.

10. The interphase tie rod adjusting device for HGIS according to claim 1, characterized by, The intermediate phase breaker cylinder connecting seat comprises two intermediate phase breaker cylinder connecting plates, the two intermediate phase breaker cylinder connecting plates are symmetrical structures, and are respectively hingedly connected with the inter-phase pull rod.

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