Isolating switch device for outdoor vertical open type contact network

Abstract

The invention discloses an outdoor vertical open-type isolating switch device for a contact network, relates to the technical field of isolating switches, and aims to provide an isolating switch for a railway contact network, which is simpler in structure and solves the problem that the existing isolating switch is complicated in structure. Comprising a base, a static side insulation supporting column, a static side conductive piece, a movable side insulation supporting column, a movable side conductive piece, an operating mechanism and a transmission rod, the lower end of the static side insulation supporting column is fixedly connected with the base, the upper end of the static side insulation supporting column is fixedly connected with the static side conductive piece, and the upper end of the movable side insulation supporting column is fixedly connected with the movable side conductive piece. The lower end of the movable side insulation supporting column is hinged to the base, the upper end of the transmission rod is hinged to the rotating rod located on the side wall of the movable side insulation supporting column, and the lower end of the transmission rod is connected with an output shaft of the operating mechanism through the transmission mechanism. Due to the fact that the number of used insulators is reduced, the structure is simpler.

Description

Technical Field

[0001] The invention relates to the technical field of disconnectors, in particular to an outdoor vertically opening disconnector device for a contact network. Background Art

[0002] The outdoor vertical opening type contact network disconnector supplies power and connects the circuit group at the contact network segmentation, meeting the requirements of the contact network segmentation. A 40.5kV vertical opening type disconnector with application number 2021114038786 includes a chassis, a transmission box, a double-layer conductive arm, a transmission insulator and a driving mechanism. Multiple pairs of supporting insulators and a main conductive base are installed side by side on the chassis. The supporting insulator is fixedly installed with a static side base. One end of the double-layer conductive arm is movably hinged and installed on the main conductive base. The middle part of the double-layer conductive arm is movably hinged with one end of the transmission insulator. The driving mechanism includes multiple transmission crank arms, which are fixedly connected to each other. The transmission crank arm is movably hinged with the other end of the transmission insulator. The transmission crank arm is used to control the rotation of the transmission insulator and control the double-layer conductive arm and the static side base to perform vertical opening and closing actions. The defects of the above-mentioned prior art are: supporting insulators and transmission insulators need to be set, and both the dynamic and static side conduction need to be equipped with a supporting insulator. In this way, three insulators are required for each phase of the disconnector, resulting in a complex overall structure. Summary of the invention

[0003] The object of the present invention is to provide an outdoor vertical opening type contact network disconnector device, which is used to solve the problem of complex structure of existing railway contact network disconnectors.

[0004] The technical solution adopted by the present invention to solve its technical problems is: an outdoor vertical opening contact network isolating switch device, including a base, a static side insulating support, a static side conductive part, a dynamic side insulating support, a dynamic side conductive part, an operating mechanism and a transmission rod, the lower end of the static side insulating support is fixedly connected to the base, the upper end of the static side insulating support is fixedly connected to the static side conductive part, the upper end of the dynamic side insulating support is fixedly connected to the dynamic side conductive part, the lower end of the dynamic side insulating support is hinged to the base, the upper end of the transmission rod is hinged to the rotating rod located on the side wall of the dynamic side insulating support, the lower end of the transmission rod is connected to the output shaft of the operating mechanism through the transmission mechanism, and when the output shaft of the operating mechanism rotates, the transmission mechanism drives the transmission rod to move up and down, thereby pushing or pulling the rotating rod together with the dynamic side insulating support to swing, thereby making the dynamic side conductive part contact or separate from the static side conductive part, realizing the closing or opening of the isolating switch.

[0005] Furthermore, the moving side conductive member has a moving side contact and a moving side contact finger, and the stationary side conductive member has a stationary side contact and a stationary side contact finger. When the disconnector is closed, the moving side contact contacts the stationary side contact finger, and the moving side contact finger contacts the stationary side contact.

[0006] Furthermore, the moving side conductive part and the static side conductive part are both L-shaped structures, one end of the moving side conductive part is the moving side contact, and the other end of the moving side conductive part is the moving side terminal block, one end of the static side conductive part is the static side contact, and the other end of the static side conductive part is the static side terminal block, and the moving side terminal block and the static side terminal block are used to connect to the line.

[0007] Furthermore, the moving side contact finger and the stationary side contact finger are both U-shaped structures, and the moving side contact extends into the stationary side contact finger, and the stationary side contact extends into the moving side contact finger to achieve contact between the moving side conductive member and the stationary side conductive member.

[0008] Furthermore, the transmission rod comprises at least two sections, and two adjacent sections of the transmission rod are universally connected.

[0009] Furthermore, the transmission rod includes three sections.

[0010] Furthermore, the moving-side conductive member is provided with a moving-side arc-starting rod, and the static-side conductive member is provided with a static-side arc-starting rod; during the opening process, before the moving-side conductive member is separated from the static-side conductive member, the moving-side arc-starting rod and the static-side arc-starting rod are first in contact, and after the moving-side conductive member is separated from the static-side conductive member, the moving-side arc-starting rod and the static-side arc-starting rod are separated again; during the closing process, before the moving-side conductive member is contacted with the static-side conductive member, the moving-side arc-starting rod and the static-side arc-starting rod are first in contact, and after the closing process is in place, the moving-side arc-starting rod and the static-side arc-starting rod are separated.

[0011] Furthermore, the base is provided with a grounding device, and when the transmission rod pulls the rotating rod to swing downward to an extreme position, the moving side conductive member is connected to the grounding device to achieve grounding.

[0012] Furthermore, the transmission mechanism comprises a crank arm, one end of which is fixedly connected to the output shaft of the operating mechanism, and the other end of which is hinged to the lower end of the transmission rod.

[0013] Furthermore, after the isolating switch is closed, the moving side insulating support and the static side insulating support are parallel.

[0014] The beneficial effects of the present invention are as follows: the present invention is different from the existing vertical opening disconnector, and only has two insulators, namely, the moving side insulating support and the static side insulating support. Since the number of insulators used is reduced, the structure of the present invention is simpler. When opening the switch, the moving side insulating support is operated to swing around its own hinge point, driving the moving side conductive part and the static side conductive part to separate in one step, and the movement process is convenient and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structural front view of the present invention; Figure 2 A three-dimensional diagram of the switch portion of the present invention; Figure 3 It is a front view of the switch part of the present invention; Figure 4 It is a top view assembly diagram of the static side conductive member and the dynamic side conductive member of the present invention; Figure 5 for Figure 1 A local enlarged view of point A in FIG. Figure 6 This is the front view of the contact between the conductive parts on the moving side of the disconnector and the grounding device; Figure 7 It is a three-dimensional diagram after the moving side conductive part contacts with the static side conductive part; In the figure: 1 base, 2 moving side insulating support, 21 rotating rod, 3 moving side conductive member, 31 moving side contact, 32 moving side terminal board, 33 moving side contact finger, 4 static side insulating support, 5 static side conductive member, 51 static side contact, 52 static side terminal board, 53 static side contact finger, 6 moving side arc-starting rod, 7 grounding device, 8 transmission rod, 81 upper section, 82 middle section, 83 lower section, 9 static side arc-starting rod, 10 operating mechanism, 11 universal joint. DETAILED DESCRIPTION

[0016] like Figures 1 to 7 As shown, the present invention includes a base 1, a static side insulating support 4, a static side conductive member 5, a dynamic side insulating support 2, a dynamic side conductive member 3, an operating mechanism 10 and a transmission rod 8. The structure and working principle of the present invention are described in detail below in conjunction with the accompanying drawings.

[0017] like Figures 1 to 7 As shown, an outdoor vertical opening type contact network disconnector device comprises a base 1, a static side insulating support 4, a static side conductive member 5, a dynamic side insulating support 2, a dynamic side conductive member 3, an operating mechanism 10 and a transmission rod 8. The base 1 is the basic component of the vertical opening type contact network disconnector device of the present invention. The lower end of the static side insulating support 4 is fixedly connected to the base 1 through a bolt assembly, and the upper end of the static side insulating support 4 is fixedly connected to the static side conductive member 5. The upper end of the dynamic side insulating support 2 is fixedly connected to the dynamic side conductive member 3, and the lower end of the dynamic side insulating support 2 is hingedly connected to the base 1. For ease of assembly, an ear plate is provided on the top of the base 1, and a hinge shaft is inserted between the ear plate and the lower end of the dynamic side insulating support 2 to achieve a hinge connection between the base 1 and the dynamic side insulating support 2. The upper end of the transmission rod 8 is hingedly connected to the rotating rod 21 located on the side wall of the moving-side insulating support 2, and the lower end of the transmission rod 8 is connected to the output shaft of the operating mechanism 10 through a transmission mechanism. When the output shaft of the operating mechanism 10 rotates, the transmission mechanism drives the transmission rod 8 to move up and down, thereby pushing or pulling the rotating rod 21 together with the moving-side insulating support 2 to swing, thereby making the moving-side conductive part 3 contact or separate from the static-side conductive part 5, thereby realizing the closing or opening of the disconnector.

[0018] When the disconnector is opened, the operating mechanism 10 drives the transmission rod 8 to move downward through the transmission mechanism, and then pulls the rotating rod 21 to swing downward, and the moving-side insulating support 2 swings downward accordingly, and the moving-side conductive member 3 at the top of the moving-side insulating support 2 is separated from the static-side conductive member 5 at the top of the static-side insulating support 4. When the disconnector is closed, the operating mechanism 10 drives the transmission rod 8 to move upward through the transmission mechanism, and then pushes the rotating rod 21 to swing upward, and the moving-side insulating support 2 swings upward accordingly, and the moving-side conductive member 3 at the top of the moving-side insulating support 2 gradually approaches the static-side conductive member 5 at the top of the static-side insulating support 4, until the moving-side conductive member 3 contacts the static-side conductive member 5.

[0019] The present invention is only provided with two insulators, namely, the moving side insulating support 3 and the stationary side insulating support 5. Compared with the method of providing three insulators in the prior art, namely, two support insulators and one pull rod insulator, the number of insulators is reduced, and thus the structure is simpler.

[0020] In order to achieve contact and conduction between the moving side conductive member 3 and the stationary side conductive member 5, as shown in FIG. Figure 3 , Figure 7 As shown, the moving side conductive member 3 has a moving side contact 31 and a moving side contact finger 33, and the stationary side conductive member 5 has a stationary side contact 51 and a stationary side contact finger 53. When the disconnector is closed, the moving side contact 31 contacts the stationary side contact finger 53, and the moving side contact finger 33 contacts the stationary side contact 51. Since the moving side conductive member 3 and the stationary side conductive member 5 are both provided with contacts and contact fingers, the entire disconnector has a double-contact and double-contact finger structure, and the moving side contact 31 on the moving side conductive member 3 contacts the stationary side contact finger 53 on the stationary side conductive member 5, and the moving side contact finger 33 on the moving side conductive member 3 contacts the stationary side contact 51 on the stationary side conductive member 5, so that when the disconnector is closed, the force is uniform, the conductive flow area is large, and it is conducive to conductive flow.

[0021] like Figure 3 As shown, for the convenience of processing, manufacturing and assembly, the moving side conductive member 3 and the static side conductive member 5 are both L-shaped structures, one end of the moving side conductive member 3 is the moving side contact 31, and the other end of the moving side conductive member is the moving side terminal block 32. One end of the static side conductive member 5 is the static side contact 51, and the other end of the static side conductive member 5 is the static side terminal block 52. The moving side terminal block 33 and the static side terminal block 53 are used to connect to the line.

[0022] like Figure 3 As shown, the moving side contact finger 33 and the stationary side contact finger 53 are both U-shaped structures, and the moving side contact 31 extends into the stationary side contact finger 53, and the stationary side contact 51 extends into the moving side contact finger 33 to achieve contact between the moving side conductive member 3 and the stationary side conductive member 5.

[0023] The transmission rod 8 comprises at least two sections, and two adjacent sections of the transmission rod 8 are universally connected. Figure 1 As shown, the transmission rod 8 includes three sections arranged up and down, namely an upper section 81, a middle section 82 and a lower section 83. The upper end of the upper section 81 is hingedly connected to the rotating rod 21, and the lower end of the upper section 81 is connected to the upper end of the middle section 82 through a universal joint 11, as shown in FIG. Figure 5 As shown, the lower end of the middle section 82 is connected to the upper end of the lower section 83 through a universal joint 11, and the lower end of the lower section 83 is hingedly connected to the crank arm on the output shaft of the operating mechanism 10. The structure of the transmission rod 8 can realize reversing transmission and is convenient for adapting to various column installation types.

[0024] The vertical opening type contact network disconnector of the present invention is provided with arc-strike devices on both the moving-side conductive member 3 and the static-side conductive member 5 in order to realize arc-strike during the opening and closing process and protect the contact finger structure of the moving-side conductive member 3 and the static-side conductive member 5. The arc-strike device includes a moving-side arc-strike rod 6 located on the moving-side conductive member 3 and a static-side arc-strike rod 9 located on the static-side conductive member 5. During the opening process, before the moving-side conductive member 3 is separated from the static-side conductive member 5, the moving-side arc-strike rod 6 and the static-side arc-strike rod 9 are first in contact, and after the moving-side conductive member 3 is separated from the static-side conductive member 5, the moving-side arc-strike rod 6 and the static-side arc-strike rod 9 are separated again. During the closing process, before the moving-side conductive member 3 is in contact with the static-side conductive member 5, the moving-side arc-strike rod 6 and the static-side arc-strike rod 9 are first in contact, and after the closing process is in place, the moving-side arc-strike rod 6 and the static-side arc-strike rod 9 are separated.

[0025] As required, a grounding device 7 may be provided on the base 1, such as Figure 6 As shown, after the switch is opened, when the transmission rod 8 pulls the rotating rod 21 to swing downward to the limit position, the moving side conductive member 3 is connected to the grounding device 7 to achieve grounding.

[0026] The transmission mechanism comprises a crank arm, one end of which is fixedly connected to the output shaft of the operating mechanism, and the other end of which is hinged to the lower end of the transmission rod 8 .

[0027] After the isolating switch is closed, the moving side insulating support 2 and the static side insulating support 4 are parallel.

[0028] The present invention is different from the existing vertical opening disconnector, which has only two insulators, namely the moving side insulating support and the static side insulating support. Since the number of insulators used is reduced, the structure of the present invention is simpler. When opening the switch, the moving side insulating support is operated to swing around its own hinge point, driving the moving side conductive part and the static side conductive part to separate in one step, and the movement process is convenient and reliable.

Claims

1. An outdoor vertical opening type contact network disconnector device, comprising a base, a static side insulating support, a static side conductive member, a dynamic side insulating support, a dynamic side conductive member, an operating mechanism and a transmission rod, wherein the lower end of the static side insulating support is fixedly connected to the base, the upper end of the static side insulating support is fixedly connected to the static side conductive member, and the upper end of the dynamic side insulating support is fixedly connected to the dynamic side conductive member, characterized in that: The lower end of the moving-side insulating support is hinged to the base, the upper end of the transmission rod is hinged to the rotating rod located on the side wall of the moving-side insulating support, the lower end of the transmission rod is connected to the output shaft of the operating mechanism through a transmission mechanism, and when the output shaft of the operating mechanism rotates, the transmission mechanism drives the transmission rod to move up and down, thereby pushing or pulling the rotating rod together with the moving-side insulating support to swing, thereby making the moving-side conductive part contact or separate from the static-side conductive part, thereby realizing the closing or opening of the disconnector.

2. The outdoor vertical opening type contact network disconnector device according to claim 1, characterized in that: The moving side conductive part has a moving side contact and a moving side contact finger, and the stationary side conductive part has a stationary side contact and a stationary side contact finger. When the disconnector is closed, the moving side contact contacts the stationary side contact finger, and the moving side contact finger contacts the stationary side contact.

3. The outdoor vertical opening contact network disconnector device according to claim 2, characterized in that: The moving side conductive part and the static side conductive part are both L-shaped structures, one end of the moving side conductive part is the moving side contact, and the other end of the moving side conductive part is the moving side terminal block, one end of the static side conductive part is the static side contact, and the other end of the static side conductive part is the static side terminal block, and the moving side terminal block and the static side terminal block are used to connect to the line.

4. The outdoor vertical opening type contact network disconnector device according to claim 3, characterized in that: The moving side contact finger and the stationary side contact finger are both U-shaped structures, and the moving side contact extends into the stationary side contact finger, and the stationary side contact extends into the moving side contact finger to achieve contact between the moving side conductive member and the stationary side conductive member.

5. The outdoor vertical opening type contact network disconnector device according to claim 1, characterized in that: The transmission rod comprises at least two sections, and two adjacent sections of the transmission rod are universally connected.

6. The outdoor vertical opening type contact network disconnector device according to claim 5, characterized in that: The transmission rod comprises three sections.

7. The outdoor vertical opening type contact network disconnector device according to claim 1, characterized in that: The moving side conductive member and the stationary side conductive member are both provided with arc striking devices.

8. The outdoor vertical opening type contact network disconnector device according to claim 1, characterized in that: The base is also provided with a grounding device. When the transmission rod pulls the rotating rod to swing downward to the limit position, the moving side conductive member is connected to the grounding device to achieve grounding.

9. The outdoor vertical opening type contact network disconnector device according to claim 1, characterized in that: The transmission mechanism comprises a crank arm, one end of which is fixedly connected to the output shaft of the operating mechanism, and the other end of which is hingedly connected to the lower end of the transmission rod.

10. The outdoor vertical opening type contact network disconnector device according to claim 1, characterized in that: After the isolating switch is closed, the moving side insulating support and the static side insulating support are parallel.

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