A double-groove load-bearing cable seat with stacked cable grooves

Abstract

A double-groove catenary support with stacked cable grooves is disclosed. The upper end of the support body is connected to a horizontally rotatable cable clamp. The upper surface of the cable clamp has a cable groove. Above the cable clamp is a middle plate, with a first cable clamping groove and a second cable clamping groove on its upper and lower surfaces, respectively. Above the middle plate is a pressure block, with a pressure groove on its lower surface. The cable clamp, middle plate, and pressure block are connected together by connecting bolts, with the cable groove and the first cable clamping groove forming a lower clamping groove, and the second cable clamping groove and the pressure groove forming an upper clamping groove. This invention ensures the horizontal rotation capability of the two catenary cables without applying torsional force. It can meet the usage requirements of parallel lines, special crossing sections, and scenarios requiring additional auxiliary cables.

Description

Technical Field

[0001] This utility model relates to the technical field of overhead contact system components for electrified railways, and in particular to a double-groove load-bearing cable seat with upper and lower grooves stacked on top of each other. Background Technology

[0002] In electrified railway catenary systems, catenary supports are used to support catenary cables on cantilever arms and allow the catenary cables to rotate at a certain angle in the horizontal direction. Existing double-groove catenary supports have horizontally arranged grooves, supporting two catenary cables at the same height. This not only restricts the horizontal rotation ability of the catenary cables but also applies a certain torsional force to them, affecting the wind resistance and overall stability of the catenary system.

[0003] On double-track electrified railways or parallel lines, when two lines run parallel and share the same overhead contact line support, to avoid interference between the catenary cables, arranging the two catenary cables vertically and horizontally, each corresponding to the catenary system of a different line, ensures independent power supply for each line and a compact structure. In special crossing sections (such as bridges and tunnels), to reduce the space occupied by the catenary, or due to support height limitations, the two catenary cables need to be stacked vertically, satisfying tension support requirements while adapting to space constraints (with the lower catenary cable closer to the line and the upper catenary cable providing auxiliary fixation). When the catenary requires additional auxiliary cables (such as reinforcing catenary cables, tension compensation cables, etc.), arranging the main catenary cable and auxiliary cables vertically, for example, with the upper catenary cable as the main load-bearing cable and the lower catenary cable as auxiliary support or a spare cable, can improve system stability. For these scenarios, horizontally arranged double-groove catenary cable supports are insufficient to meet the requirements. Utility Model Content

[0004] In order to solve the above-mentioned problems in the prior art, the present invention provides a double-groove load-bearing cable seat with the grooves stacked on top of each other.

[0005] This utility model is achieved through the following technical solution: a double-groove load-bearing cable seat with stacked cable grooves, comprising a load-bearing cable seat body and connecting bolt pairs, characterized in that: a horizontally rotatable cable clamp is connected to the upper end of the load-bearing cable seat body, the upper end face of the cable clamp is provided with a cable groove, an intermediate plate is provided above the cable clamp, and the upper and lower end faces of the intermediate plate are respectively provided with a first clamping groove and a second clamping groove, a pressure block is provided above the intermediate plate, and the lower end face of the pressure block is provided with a pressure groove; two connecting bolt pairs pass through the two ends of the cable clamp, the intermediate plate and the pressure block respectively to connect the cable clamp, the intermediate plate and the pressure block together, and the cable groove and the first clamping groove are opposite to form a lower clamping groove, and the second clamping groove and the pressure groove are opposite to form an upper clamping groove.

[0006] Furthermore, the load-bearing cable seat body includes an upper clamp and a lower clamp. The upper clamp has a first hinge lug on its right side, and the lower clamp has a second hinge lug on its right side. The first hinge lug and the second hinge lug are arranged alternately and hinged together by a pin. The left side of the upper clamp and the left side of the lower clamp are respectively provided with connecting holes. The left ends of the upper clamp and the lower clamp are connected by fastening bolts passing through the connecting holes.

[0007] Furthermore, the upper clamp is provided with a mounting boss, the mounting boss has a mounting hole in the center, and the mounting boss is also provided with a fixing hole that passes through the mounting hole; the cable clamp has a stepped hole in the center, and the shoulder pin passes through the stepped hole and is inserted into the mounting hole. After the fastening pin passes through the fixing hole and the through hole on the shoulder pin, the cable clamp is installed on the mounting boss.

[0008] Furthermore, the lower clamp is provided with connecting ears axially below it.

[0009] Furthermore, the wire support groove, the first wire clamping groove, the second wire clamping groove, and the wire pressing groove are all arranged along the line direction.

[0010] The beneficial effects of this utility model are:

[0011] 1. This utility model features two catenary clamping slots stacked vertically, both of which can rotate horizontally. This allows for the vertical layering of the two catenary cables, reducing the space occupied by the overhead contact line and meeting the requirements of parallel lines, special crossing sections, and scenarios requiring additional auxiliary cables. Simultaneously, it satisfies the reliability and load-bearing capacity requirements of the dual catenary cables while allowing the catenary cables to rotate at a certain angle horizontally without forcibly twisting them.

[0012] 2. This utility model supports the two load-bearing cables at different heights, which not only ensures the rotational ability of the two load-bearing cables in the horizontal direction, but also prevents the application of torsional force to the load-bearing cables.

[0013] 3. This utility model designs the load-bearing cable seat body with a hinged connection, which reduces the use of fasteners, facilitates installation, and makes maintenance and adjustment convenient, thereby improving the efficiency of installation and maintenance. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a partial structural diagram of the present invention;

[0016] Figure 3 This is a schematic diagram of the main structure of the load-bearing cable seat of this utility model.

[0017] Attached diagram labels: 1. Load-bearing cable seat body, 1-1. Upper clamp, 1-1-1. First hinge ear, 1-1-1. Lower clamp, 1-2. Second hinge ear, 1-2-1. Connecting double ears, 1-2-2. Mounting boss, 1-3. Mounting hole, 1-3-1. Fixing hole, 1-4. Cable clamp, 2. Cable groove, 2-1. Step hole, 2-2. Intermediate plate, 3. First cable groove, 3-1. Second cable groove, 3-2. Pressure block, 4. Cable groove, 4-1. Connecting bolt pair, 5. Shoulder pin, 6. Fastening pin, 7. Pin, 8. Connecting hole, 9. Fastening bolt pair, 10. Cantilever tube, 11. Load-bearing cable, 12. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1-3 The present invention will be described in detail with reference to specific embodiments.

[0019] Reference Figure 1-2 A double-groove load-bearing cable seat with stacked cable grooves includes a load-bearing cable seat body 1 and connecting bolt pairs 5. The upper end of the load-bearing cable seat body 1 is connected to a horizontally rotatable cable clamp 2. The upper end face of the cable clamp 2 is provided with a cable groove 2-1. An intermediate plate 3 is provided above the cable clamp 2, and the upper and lower end faces of the intermediate plate 3 are respectively provided with a first clamping groove 3-1 and a second clamping groove 3-2. A pressure block 4 is provided above the intermediate plate 3, and the lower end face of the pressure block 4 is provided with a pressure groove 4-1. The two connecting bolt pairs 5 pass through the two ends of the cable clamp 2, the intermediate plate 3, and the pressure block 4 in sequence to connect the cable clamp 2, the intermediate plate 3, and the pressure block 4 together, so that the cable groove 2-1 and the first clamping groove 3-1 are opposite to form a lower clamping groove, and the second clamping groove 3-2 and the pressure groove 4-1 are opposite to form an upper clamping groove.

[0020] Preferably, the wire support groove 2-1, the first wire clamping groove 3-1, the second wire clamping groove (3-2) and the wire pressing groove 4-1 are all arranged in the direction of the line.

[0021] Reference Figure 3 In one embodiment, the load-bearing cable seat body 1 includes an upper clamp 1-1 and a lower clamp 1-2. The upper clamp 1 has a first hinge lug 1-1-1 on its right side, and the lower clamp 1-2 has a second hinge lug 1-2-1 on its right side. The first hinge lug 1-1-1 and the second hinge lug 1-2-1 are arranged alternately and hinged together by a pin 8. The left side of the upper clamp 1-1 and the left side of the lower clamp 1-2 are respectively provided with connecting holes 9. The left ends of the upper clamp 1-1 and the lower clamp 1-2 are connected by fastening bolts 10 passing through the connecting holes 9.

[0022] Reference Figure 3In one embodiment, the upper clamp 1-1 is provided with a mounting boss 1-3, the mounting boss 1-3 is provided with a mounting hole 1-3-1 in the center, and the mounting boss 1-3 is also provided with a fixing hole 1-4 that passes through the mounting hole 1-3-1; the cable clamp 2 is provided with a stepped hole 2-2 in the center, and the shoulder pin 6 passes through the stepped hole 2-2 and is inserted into the mounting hole 1-3-1. After the fastening pin 7 passes through the fixing hole 1-4 and the through hole on the shoulder pin 6, the cable clamp 2 is installed on the mounting boss 1-3.

[0023] Reference Figure 3 In one embodiment, the lower clamp 1-2 is provided with connecting ears 1-2-2 axially below it.

[0024] During installation and use, first fix the main body 1 of the load-bearing cable seat onto the cantilever tube 11, then clamp the lower load-bearing cable 12 in the lower clamping groove, then clamp the upper load-bearing cable 12 in the upper clamping groove, and finally tighten the connecting bolt pair 5 to fix the two load-bearing cables on the load-bearing cable seat in layers, thus completing the installation.

[0025] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. A double-slot type cable seat with upper and lower layers of wire slots, comprising a cable seat body (1) and a connecting bolt pair (5), characterized in that: The upper end of the load-bearing cable seat body (1) is connected to a horizontally rotatable cable clamp (2). The upper end face of the cable clamp (2) is provided with a cable groove (2-1). A middle plate (3) is provided above the cable clamp (2). The upper and lower end faces of the middle plate (3) are respectively provided with a first clamping groove (3-1) and a second clamping groove (3-2). A pressure block (4) is provided above the middle plate (3). The lower end face of the pressure block (4) is provided with a pressure groove (4-1). Two connecting bolt pairs (5) pass through the two ends of the cable clamp (2), the middle plate (3) and the pressure block (4) respectively to connect the cable clamp (2), the middle plate (3) and the pressure block (4) together. The cable groove (2-1) and the first clamping groove (3-1) are opposite to form a lower clamping groove, and the second clamping groove (3-2) and the pressure groove (4-1) are opposite to form an upper clamping groove.

2. The double-groove pylon seat of claim 1, wherein: The load-bearing cable seat body (1) includes an upper clamp (1-1) and a lower clamp (1-2). The upper clamp (1) has a first hinge ear (1-1-1) on its right side, and the lower clamp (1-2) has a second hinge ear (1-2-1) on its right side. The first hinge ear (1-1-1) and the second hinge ear (1-2-1) are arranged alternately and are hinged together by a pin (8). The left side of the upper clamp (1-1) and the left side of the lower clamp (1-2) are provided with connecting holes (9) at corresponding positions. The left ends of the upper clamp (1-1) and the lower clamp (1-2) are connected by fastening bolt pairs (10) passing through the connecting holes (9).

3. The double-groove pylon seat of claim 2, wherein: The upper clamp 1-1 is provided with a mounting boss (1-3), and the mounting boss (1-3) is provided with a mounting hole (1-3-1) in the center. The mounting boss (1-3) is also provided with a fixing hole (1-4) that passes through the mounting hole (1-3-1). The cable clamp (2) is provided with a stepped hole (2-2) in the center. The shoulder pin (6) passes through the stepped hole (2-2) and is inserted into the mounting hole (1-3-1). After the fastening pin (7) passes through the fixing hole (1-4) and the through hole on the shoulder pin (6), the cable clamp (2) is installed on the mounting boss (1-3).

4. The double-groove pylon seat of claim 2, wherein: The lower clamp (1-2) is provided with connecting ears (1-2-2) axially below.

5. The double-groove pylon seat of claim 1, wherein: The cable tray (2-1), the first cable clamping tray (3-1), the second cable clamping tray (3-2), and the cable pressing tray (4-1) are all arranged along the direction of the line.

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