Auxiliary cantilever supporting structure for high-speed rail

Abstract

The auxiliary cantilever supporting structure for the high-speed rail comprises a cross beam and a hanging column, the hanging column is fixedly installed at the bottom of the cross beam, two flat cantilevers and two first inclined cantilevers are installed outside the hanging column, and porcelain rods are installed at the positions, close to the inner ends, of the outer portions of the flat cantilevers and the first inclined cantilevers. A carrier cable seat is installed outside the flat cantilever, a supporting assembly is installed outside the flat cantilever and the first inclined cantilever, the supporting assembly comprises a second inclined cantilever and a positioning pipe, the second inclined cantilever is installed between the first inclined cantilever and the positioning pipe, and a first supporting piece is connected and installed between the second inclined cantilever and the first inclined cantilever. According to the utility model, the height of supporting and hanging can be downwards extended in a station turnout area and a short hanging column, the use limit is increased, the guide height can be conveniently adjusted, the contact height of the positioning wire clamp can be adjusted, and a contact wire is always kept at a proper height when current is taken by a pantograph.

Description

Technical Field

[0001] The utility model relates to the field of high - speed rail catenary installation, and particularly relates to an auxiliary wrist - arm support structure for high - speed rail. Background Art

[0002] The high - speed rail catenary is a key infrastructure in the high - speed rail line system, mainly providing traction power for high - speed trains. The wrist - arm support is a structure used to support and position the contact wire to ensure the safe operation of the high - speed rail line and the stability of power supply.

[0003] When the existing auxiliary wrist - arm support for high - speed rail is in use, in the station turnout area, the height of the suspension post is limited, which is not convenient for extending the suspension height and providing fixation. The use limit is small, and the height of the contact wire height contacted by the positioning clamp is not convenient to adjust, reducing the overall stability. Summary of the Utility Model

[0004] Aiming at the above - mentioned deficiencies of the existing technology, the utility model provides an auxiliary wrist - arm support structure for high - speed rail, which can extend the suspension height downward in the station turnout area and for short suspension posts, increase the use limit, and at the same time facilitate the adjustment of the contact wire height.

[0005] The technical solution provided by the utility model: An auxiliary wrist - arm support structure for high - speed rail, including a cross - beam and a suspension post. The suspension post is fixedly installed at the bottom of the cross - beam. Two horizontal wrist - arms and two first inclined wrist - arms are installed outside the suspension post. Porcelain insulators are installed at the inner ends of the horizontal wrist - arms and the first inclined wrist - arms. A carrier cable seat is installed outside the horizontal wrist - arm. A support assembly is installed outside the horizontal wrist - arm and the first inclined wrist - arm. The support assembly includes a second inclined wrist - arm and a positioning pipe. The second inclined wrist - arm is installed between the first inclined wrist - arm and the positioning pipe. A second support is installed between the positioning pipe and the horizontal wrist - arm. A positioner is connected and installed at the outer end of the positioning pipe. A positioning clamp is installed at the inner end of the positioner. A positioning support is connected and installed between the outer end of the positioner and the positioning pipe.

[0006] Further, a first support is installed between the second inclined wrist - arm and the first inclined wrist - arm.

[0007] Further, the inner ends of the horizontal wrist - arm and the first inclined wrist - arm are both connected and fixed to the outside of the suspension post through a base. The outer end of the first inclined wrist - arm is connected and installed to the outer end of the horizontal wrist - arm through a sleeve double - ear.

[0008] Further, the two horizontal wrist - arms and the first inclined wrist - arms are symmetrically installed. The first inclined wrist - arm and the second inclined wrist - arm are both installed obliquely.

[0009] Further, the inner end of the positioning pipe is connected and installed to the outside of the second inclined wrist - arm through a positioning ring. The bottom end of the second support is connected and installed to the outside of the positioning pipe.

[0010] Further, the positioning support is slidably mounted on the positioning pipe, the outer end of the positioner is clamped to the positioning support, and the outer end of the positioner is movably connected between the positioning support and the positioning pipe.

[0011] Further, both ends of the second support member are respectively slidably connected to the positioning pipe and the flat wrist arm, and the position of the second support member is adjusted as needed and locked and fixed.

[0012] The beneficial effects of the present utility model are as follows:

[0013] (1) By providing the support assembly, the second inclined wrist arm and the positioning pipe are supported by the first support member and the second support member, improving the overall fixation and support, enabling the height of the downward extension support to be increased in the station turnout area and short suspension post areas, and increasing the use limit;

[0014] (2) By providing the positioner and the positioning support, the positioning pipe adjusts the support angle through the second support member, and the positioner adjusts the inclination angle through the positioning support, facilitating the adjustment of the guide height, being able to adjust the contact height of the positioning clamp, and ensuring that the contact wire always maintains an appropriate height during pantograph current collection. Description of the Drawings

[0015] Figure 1 is the overall structural schematic diagram of the present utility model;

[0016] Figure 2 is the structural schematic diagram of the support assembly of the present utility model;

[0017] Figure 3 is Figure 2 the enlarged view at A of

[0018] Figure 4 is the structural schematic diagram of the positioner after adjustment of the present utility model.

[0019] In the figure: 1, crossbeam; 2, suspension post; 3, flat wrist arm; 4, first inclined wrist arm; 5, rod insulator; 6, carrier cable clamp; 7, positioning support; 8, second inclined wrist arm; 9, positioning pipe; 10, first support member; 11, second support member; 12, positioner; 13, positioning clamp. Detailed Embodiment

[0020] The following further describes the present utility model in conjunction with specific embodiments. Among them, the attached drawings are only for illustrative purposes, showing only schematic diagrams rather than physical diagrams, and should not be construed as a limitation to the present utility model. In order to better illustrate the specific embodiments of the present utility model, some components in the attached drawings will be omitted, enlarged or reduced, which do not represent the dimensions of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the attached drawings may be omitted. Based on the specific embodiments of the present utility model, all other specific embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "front", "rear", "upper", "lower", etc. is based on the orientation or positional relationship shown in the attached drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] As Figures 1-4 shown, an auxiliary boom support structure for high-speed rail includes a crossbeam 1 and a suspension post 2. The suspension post 2 is fixedly installed at the bottom of the crossbeam 1. Two horizontal booms 3 and two first inclined booms 4 are installed outside the suspension post 2. Porcelain insulators 5 are installed at the inner ends of the outer parts of the horizontal booms 3 and the first inclined booms 4. A carrier cable seat 6 is installed outside the horizontal boom 3. A support assembly is installed outside the horizontal boom 3 and the first inclined boom 4. The support assembly includes a second inclined boom 8 and a positioning pipe 9. One end of the second inclined boom 8 is connected to the first inclined boom 4, and the other end is connected to the positioning pipe 9. A second support member 11 is installed between the positioning pipe 9 and the horizontal boom 3. A positioner 12 is installed at the outer end of the positioning pipe 9. A positioning clamp 13 is installed at the inner end of the positioner 12. A positioning support 7 is installed between the outer end of the positioner 12 and the positioning pipe 9.

[0024] The inner ends of the flat wrist arm 3 and the first inclined wrist arm 4 are both fixedly connected to the outside of the suspension post 2 through bases. The outer end of the first inclined wrist arm 4 is connected to the outside of the flat wrist arm 3 near the outer end through a sleeve double ear. The flat wrist arm 3 and the first inclined wrist arm 4 are used for overall support.

[0025] The two flat wrist arms 3 and the two first inclined wrist arms 4 are symmetrically installed on both sides of the suspension post 2. The first inclined wrist arm 4 and the second inclined wrist arm 8 are both installed in an inclined manner. A first support member 10 is connected and installed between the second inclined wrist arm 8 and the first inclined wrist arm 4. The height of downward support is increased by the second inclined wrist arm 8, and the support for the second inclined wrist arm 8 is strengthened by the first support member 10.

[0026] The inner end of the positioning pipe 9 is connected and installed to the outside of the second inclined wrist arm 8 through a positioning ring. The bottom end of the second support member 11 is connected and installed to the outside of the positioning pipe 9. The two ends of the second support member 11 are respectively slidably connected to the positioning pipe 9 and the flat wrist arm 3. The position of the second support member 11 is adjusted as needed and locked and fixed. The outer end of the positioning pipe 9 is supported and hung by the second support member 11, further improving the fixation of the positioning pipe 9.

[0027] The positioning support 7 is slidably installed on the positioning pipe 9. The outer end of the positioner 12 is clamped to the positioning support 7. The outer end of the positioner 12 is movably connected between the positioning support 7 and the positioning pipe 9. The positioner 12 is moved by the positioning support 7. The connection between the positioner 12 and the positioning pipe 9 is connected by an electrical connection jumper wire. The positioning clamp 13 is used to connect to the high-speed rail contact wire. By adjusting the positioner 12, the contact height of the positioning clamp 13 can be adjusted to ensure that the contact wire always maintains an appropriate height during current collection by the pantograph.

[0028] When the present utility model is in use, the inner ends of the flat wrist arm 3 and the first inclined wrist arm 4 are installed and fixed to the outside of the suspension post 2 through bases. The first inclined wrist arm 4 and the flat wrist arm 3 are used for overall support. When extending the height of the support and suspension, the second inclined wrist arm 8 is connected and installed to the outside of the first inclined wrist arm 4 through a support pipe clamp and is connected, supported and fixed by the first support member 10. Then, the positioning pipe 9 is connected and installed to the outside of the second inclined wrist arm 8 through a positioning ring and is connected, supported and fixed by the second support member 11, increasing the height of downward support and improving the overall fixation. When making contact support, the outer end of the positioner 12 adjusts the inclination angle through the positioning support 7. The inner end of the positioner 12 is connected to the second inclined wrist arm 8 through a windproof stay wire, so that the positioning clamp 13 contacts and connects to the contact wire.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An auxiliary arm support structure for high-speed railway, comprising a crossbeam (1) and a suspension column (2), wherein the suspension column (2) is fixedly mounted on the bottom of the crossbeam (1), characterized in that: Two flat wrist arms (3) and two first oblique wrist arms (4) are installed on the outside of the suspension column (2), and rod porcelain (5) is installed on the inner ends of the flat wrist arms (3) and the first oblique wrist arms (4). A load-bearing cable seat (6) is installed on the outside of the flat wrist arm (3). A support assembly is installed on the outside of the flat wrist arm (3) and the first oblique wrist arm (4), and the support assembly includes a second oblique wrist arm (8) and a positioning tube (9). One end of the second oblique wrist arm (8) is connected to the first oblique wrist arm (4), and the other end is connected to the positioning tube (9). A second support member (11) is installed between the positioning tube (9) and the flat wrist arm (3). A positioner (12) is installed on the outer end of the positioning tube (9), and a positioning wire clamp (13) is installed on the inner end of the positioner (12). A positioning support (7) is installed between the outer end of the positioner (12) and the positioning tube (9).

2. The auxiliary arm support structure for high-speed railway according to claim 1, characterized in that: A first support member (10) is connected and installed between the second oblique arm (8) and the first oblique arm (4).

3. The auxiliary arm support structure for high-speed railway according to claim 1, characterized in that: The inner ends of the flat arm (3) and the first oblique arm (4) are both connected and fixed to the outside of the suspension column (2) through a base, and the outer end of the first oblique arm (4) is connected to the outer end of the flat arm (3) through a sleeve double ear.

4. The auxiliary arm support structure for high-speed railway according to claim 1, characterized in that: The two flat wrist arms (3) and the two first oblique wrist arms (4) are symmetrically mounted on both sides of the suspension column (2), and the first oblique wrist arm (4) and the second oblique wrist arm (8) are both installed in an inclined manner.

5. The auxiliary arm support structure for high-speed railway according to claim 1, characterized in that: The inner end of the positioning tube (9) is connected and installed on the outside of the second oblique arm (8) through a positioning ring, and the bottom end of the second support member (11) is connected and installed on the outside of the positioning tube (9).

6. The auxiliary arm support structure for high-speed railway according to claim 1, characterized in that: The positioning support (7) is slidably mounted on the positioning tube (9), the outer end of the positioner (12) is snap-connected with the positioning support (7), and the outer end of the positioner (12) is movably connected to the positioning tube (9) via the positioning support (7).

7. The auxiliary arm support structure for high-speed railway according to claim 1, characterized in that: The two ends of the second support member (11) are respectively slidably connected to the positioning tube (9) and the flat wrist arm (3), and the position of the second support member (11) is adjusted as required and locked and fixed.

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