Buckle type carrier cable seat

Abstract

A buckle type carrier cable seat comprises an upper hoop, a lower hoop, a cable supporting clamp, a pressing block, a step bolt and a fastening bolt pair, the cable supporting clamp and the pressing block are installed above the upper hoop through the step bolt, a connecting part is arranged below the lower hoop in the axial direction, a T-shaped bayonet is formed in the right end of the upper hoop, a T-shaped clamping head is arranged at the right end of the lower hoop, and the T-shaped bayonet is connected with the T-shaped clamping head. The T-shaped clamping head is located on one side of the concave arc face and clamped in the T-shaped clamping opening, the right ends of the upper hoop and the lower hoop are connected, connecting holes are formed in the left ends of the upper hoop and the lower hoop respectively, and a fastening bolt pair penetrates through the connecting holes to connect the left ends of the upper hoop and the lower hoop. According to the utility model, quick connection and disassembly can be realized, special tools and equipment are not needed during installation, the production and maintenance cost is reduced, and the assembly and maintenance efficiency is improved; compared with an existing pin shaft riveting mode, looseness caused by long-term vibration and environmental factors is avoided, connection reliability is improved, and stable operation of the contact network is guaranteed.

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 snap-on type load-bearing cable seat. Background Technology

[0002] In existing simplified catenary components, the load-bearing cable seat adopts a pin-riveting structure. Since pin riveting requires specialized tools and equipment, it increases assembly costs. Moreover, the pin riveting process is complex and time-consuming, affecting assembly efficiency. In addition, due to long-term vibration of the catenary and environmental factors, the pin riveting is prone to loosening, reducing connection reliability and affecting the stable operation of the catenary. Utility Model Content

[0003] In order to solve the above-mentioned problems in the prior art, this utility model provides a snap-on load-bearing cable seat.

[0004] This utility model is achieved through the following technical solution:

[0005] A snap-fit ​​type load-bearing cable seat includes an upper clamp, a lower clamp, a cable support clamp, a pressure block, a stepped bolt, and a fastening bolt assembly. The cable support clamp and pressure block are installed above the upper clamp via the stepped bolt. The lower clamp has an axially connected portion below it. The right end of the upper clamp has a T-shaped slot, and the right end of the lower clamp has a T-shaped head, with the T-shaped head located on the side of a concave arc surface. The T-shaped head is engaged in the T-shaped slot, connecting the right ends of the upper and lower clamps. The left ends of the upper and lower clamps are respectively provided with connecting holes, and the fastening bolt assembly passes through the connecting holes to connect the left ends of the upper and lower clamps.

[0006] Furthermore, the two ends of the T-shaped card head are symmetrically arranged fan-shaped heads, and the slots on both sides of the "T"-shaped card opening are fan-shaped grooves adapted to the fan-shaped heads, and the fan-shaped heads are fitted into the fan-shaped grooves.

[0007] Furthermore, the end of the fan-shaped head protrudes with an axially arranged locking post, and the bottom of the fan-shaped groove has an arc groove that matches the locking post, and the locking post is engaged in the arc groove.

[0008] Furthermore, the central angles of both the fan-shaped head and the fan-shaped groove are right angles.

[0009] Furthermore, the connecting part is an axially arranged vertical double ear or a vertical single ear.

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

[0011] 1. This utility model sets one end of the upper clamp and the lower clamp to a snap-fit ​​connection, which can realize quick connection and disassembly, improving assembly efficiency; and no special tools and equipment are required during installation, reducing production costs.

[0012] 2. Compared with the existing pin riveting structure, it avoids the loosening of pin riveting caused by long-term vibration and environmental factors, improves connection reliability, and ensures the stable operation of the contact network. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the upper clamp of this utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the lower clamp of this utility model.

[0016] Reference numerals: Upper clamp 1, T-shaped bayonet 1-1, slot 1-2, arc groove 1-3, lower clamp 2, connecting part 2-1, T-shaped clamp head 2-2, end 2-3, clamp post 2-4, cable clamp 3, pressure block 4, step bolt 5, fastening bolt pair 6, connecting hole 7, cantilever tube 8, pin 9. Detailed Implementation

[0017] The following is in conjunction with the appendix Figure 1-3 The present invention will be described in detail with reference to specific embodiments.

[0018] A snap-fit ​​type load-bearing cable seat includes an upper clamp 1, a lower clamp 2, a cable clamp 3, a pressure block 4, a stepped bolt 5, and a fastening bolt assembly 6. The cable clamp 3 and the pressure block 4 are installed above the upper clamp 1 via the stepped bolt 5. The lower clamp 2 has an axially connected part 2-1 below it. The right end of the upper clamp 1 is provided with a T-shaped slot 1-1, and the right end of the lower clamp 2 is provided with a T-shaped head 2-2, which is located on the side of the concave arc surface. The T-shaped head 2-2 is fitted into the T-shaped slot 1-1, connecting the right ends of the upper clamp 1 and the lower clamp 2. The left ends of the upper clamp 1 and the lower clamp 2 are respectively provided with connecting holes 7. The fastening bolt assembly 6 passes through the connecting holes 7 to connect the left ends of the upper clamp 1 and the lower clamp 2.

[0019] In one embodiment, the two ends 2-3 of the T-shaped head 2-2 are symmetrically arranged fan-shaped heads, and the slots 1-2 on both sides of the T-shaped mouth 1-1 are fan-shaped grooves adapted to the fan-shaped heads, and the fan-shaped heads are fitted into the fan-shaped grooves.

[0020] To improve the connection reliability of the upper clamp 1 and the lower clamp 2 at the right end, the end of the fan-shaped head has an axially arranged locking post 2-4 protruding from it, and the bottom of the fan-shaped groove has an arc groove 1-3 that is adapted to the locking post 2-4, and the locking post 2-4 is fitted into the arc groove 1-3.

[0021] Preferably, the central angles of both the fan-shaped head and the fan-shaped groove are right angles.

[0022] In one embodiment, the connecting part 2-1 is an axially arranged vertical double lug.

[0023] During installation and use, first, insert the T-shaped clamp 2-2 into the T-shaped slot 1-1 to connect the right ends of the upper clamp 1 and the lower clamp 2. Then, fit the upper clamp 1 and the lower clamp 2 onto the cantilever tube 8 and adjust them to the appropriate position. Next, use the fastening bolt pair 6 to pass through the connecting hole 7 to connect the left ends of the upper clamp 1 and the lower clamp 2 together and apply torque to fix the load-bearing cable seat to the cantilever tube 8. Then, hinge the connecting part 2-1 to the positioning device through the pin 9. Finally, clamp the load-bearing cable between the cable clamp 3 and the pressure block 4, and tighten the step bolt 5 to fix the load-bearing cable on the load-bearing cable seat, thus completing the installation.

[0024] 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 buckle type load cable seat, comprising an upper clamp (1), a lower clamp (2), a wire support clamp (3), a pressing block (4), a stepped bolt (5) and a fastening bolt pair (6), the wire support clamp (3) and the pressing block (4) being installed above the upper clamp (1) through the stepped bolt (5), and the lower clamp (2) being provided with a connecting part (2-1) in the axial direction below, characterized in that: The right end of the upper hoop (1) is provided with a T-shaped notch (1-1), the right end of the lower hoop (2) is provided with a T-shaped head (2-2), the T-shaped head (2-2) is located on one side of the recessed circular arc surface, the T-shaped head (2-2) is clamped in the T-shaped notch (1-1), the right ends of the upper hoop (1) and the lower hoop (2) are connected, the left ends of the upper hoop (1) and the lower hoop (2) are respectively provided with connecting holes (7), and the fastening bolt pair (6) passes through the connecting holes (7) to connect the left ends of the upper hoop (1) and the lower hoop (2).

2. A buckle type load cable seat according to claim 1, characterized in that: The two side end heads (2-3) of the T-shaped head (2-2) are symmetrically arranged fan-shaped heads, the clamping grooves (1-2) on the two sides of the T-shaped notch (1-1) are fan-shaped recesses matched with the fan-shaped heads, and the fan-shaped heads are clamped in the fan-shaped recesses.

3. A buckle type load cable seat according to claim 2, characterized in that: The end of the fan-shaped head protrudes an axially arranged clamping column (2-4), the bottom of the fan-shaped recess has a circular arc groove (1-3) matched with the clamping column (2-4), and the clamping column (2-4) is clamped in the circular arc groove (1-3).

4. A buckle type load cable seat according to claim 2 or 3, characterized in that: The central angles of the fan-shaped head and the fan-shaped recess are both right angles.

5. The buckle type load cable seat according to claim 1, characterized in that: The connecting part (2-1) is an axially arranged vertical double ear or a vertical single ear.

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