Buckle type cantilever connector

Abstract

A buckle type cantilever connector comprises two hoop connectors and a connecting bolt pair, each hoop connector comprises a main hoop and an auxiliary hoop, one end of each main hoop is provided with a first connecting hole, the other end of each main hoop is provided with a T-shaped clamping head and a connecting plate, one end of each auxiliary hoop is provided with a second connecting hole, the other end of each auxiliary hoop is provided with a T-shaped bayonet, each T-shaped clamping head is clamped in the corresponding T-shaped bayonet, and the connecting bolt pair is connected with the connecting bolt pair. One end of the main hoop is connected with one end of the auxiliary hoop, the first connecting hole is connected with the second connecting hole through a fastening bolt pair, a third connecting hole is formed in the connecting plate, and the connecting bolt pair penetrates through the third connecting hole to connect the two hoop connectors. 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-fit ​​type cantilever connector. Background Technology

[0002] In existing simplified overhead contact line components, the connectors for the flat and angled cantilever arms use 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 the long-term vibration of the overhead contact line and environmental factors, the pin-riveting is prone to loosening, reducing connection reliability and affecting the stable operation of the overhead contact line. Utility Model Content

[0003] In order to solve the above-mentioned problems in the prior art, the present invention provides a snap-fit ​​wrist arm connector.

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

[0005] A snap-fit ​​wrist arm connector includes an upper clamp connector, a lower clamp connector, and a set of connecting bolts. Both the upper and lower clamp connectors include a main clamp and a secondary clamp. One end of the main clamp has a first connecting hole, and the other end has a T-shaped locking head and a connecting plate. The T-shaped locking head is located on one side of a recessed arc surface, and the connecting plate is located outside the T-shaped locking head. One end of the secondary clamp has a second connecting hole, and the other end has a T-shaped locking slot. The T-shaped locking head is fitted into the T-shaped locking slot, connecting one end of the main clamp and the secondary clamp. The second connecting hole and the first connecting hole are connected to the other end of the main clamp and the secondary clamp via the set of fastening bolts. The connecting plate has a third connecting hole, through which the set of connecting bolts passes to connect the upper clamp connector and the lower clamp connector.

[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] The beneficial effects of this utility model are:

[0010] 1. This utility model sets one end of the main clamp and the auxiliary 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.

[0011] 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

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a schematic diagram of the installation of the main and auxiliary clamps of this utility model;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the main clamp of this utility model;

[0015] Figure 4 This is a schematic diagram of the three-dimensional structure of the auxiliary clamp of this utility model.

[0016] Reference numerals: Upper clamp connector 1, Lower clamp connector 2, Connecting bolt pair 3, Main clamp 4, First connecting hole 4-1, T-shaped clamp head 4-2, Connecting plate 4-3, Third connecting hole 4-4, End 4-5, Clamp post 4-6, Secondary clamp 5, Second connecting hole 5-1, T-shaped clamp 5-2, Clamp groove 5-3, Arc groove 5-4, Fastening bolt pair 6. Detailed Implementation

[0017] The following is in conjunction with the appendix Figure 1-4 The present invention will be described in detail with reference to specific embodiments.

[0018] A snap-fit ​​wrist arm connector includes an upper clamp connector 1, a lower clamp connector 2, and a connecting bolt set 3. Both the upper clamp connector 1 and the lower clamp connector 2 include a main clamp 4 and a secondary clamp 5. One end of the main clamp 4 has a first connecting hole 4-1, and the other end has a T-shaped clamp head 4-2 and a connecting plate 4-3. The T-shaped clamp head 4-2 is located on one side of the concave arc surface, and the connecting plate 4-3 is located outside the T-shaped clamp head 4-2. One end of the secondary clamp 5 has a second connecting hole 5-1. The other end has a T-shaped bayonet 5-2, and the T-shaped clamp 4-2 is fitted into the T-shaped bayonet 5-2 to connect one end of the main clamp 4 and the auxiliary clamp 5. The second connecting hole 5-1 and the first connecting hole 4-1 are connected to the other end of the main clamp 4 and the auxiliary clamp 5 by a fastening bolt pair 6. The connecting plate 4-3 has a third connecting hole 4-4, and the connecting bolt pair 3 passes through the third connecting hole 4-4 to connect the upper clamp connector 1 and the lower clamp connector 2.

[0019] In one embodiment, the two ends 4-5 of the T-shaped head 4-2 are symmetrically arranged fan-shaped heads, and the slots 5-3 on both sides of the T-shaped mouth 5-2 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 one end of the main clamp 4 and the auxiliary clamp 5, the end of the fan-shaped head has an axially arranged locking post 4-6 protruding from it, and the bottom of the fan-shaped groove has an arc groove 5-4 that is adapted to the locking post 4-6, and the locking post 4-6 is fitted into the arc groove 5-4.

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

[0022] During installation and use, the T-shaped clamp 4-2 is inserted into the T-shaped bayonet 5-2. One end of the main clamp 4 and the auxiliary clamp 5 are connected. The other end of the main clamp 4 and the auxiliary clamp 5 are connected by passing the fastening bolt pair 6 through the first connecting hole 4-1 and the second connecting hole 5-1, and a torque is applied to fix them. Then, the upper clamp connector 1 and the lower clamp connector 2 are connected by passing the connecting bolt pair 3 through the third connecting hole 4-4. Finally, the upper and lower clamp connectors are connected to the flat arm and the angled arm respectively. After adjusting them to the appropriate positions, the support connection of the flat arm and the angled arm is achieved.

[0023] 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 snap-fit ​​type wrist arm connector, comprising an upper clamp connector (1), a lower clamp connector (2), and a connecting bolt pair (3), wherein both the upper clamp connector (1) and the lower clamp connector (2) include a main clamp (4) and a secondary clamp (5), characterized in that: The main clamp (4) has a first connecting hole (4-1) at one end and a T-shaped clamp (4-2) and a connecting plate (4-3) at the other end, with the T-shaped clamp (4-2) located on the side of the concave arc surface and the connecting plate (4-3) located outside the T-shaped clamp (4-2); the auxiliary clamp (5) has a second connecting hole (5-1) at one end and a T-shaped latch (5-2) at the other end, with the T-shaped clamp (4-2) fitted into the T-shaped latch (5-2). In this process, one end of the main clamp (4) and the auxiliary clamp (5) are connected, and the other end of the main clamp (4) and the auxiliary clamp (5) are connected to the first connection hole (4-1) by a fastening bolt pair (6); the connecting plate (4-3) has a third connection hole (4-4), and the connecting bolt pair (3) passes through the third connection hole (4-4) to connect the upper clamp connector (1) and the lower clamp connector (2).

2. The snap-fit ​​wrist arm connector according to claim 1, characterized in that: The two ends (4-5) of the T-shaped clamp (4-2) are symmetrically arranged fan-shaped heads, and the slots (5-3) on both sides of the T-shaped clamp (5-2) are fan-shaped grooves adapted to the fan-shaped heads, and the fan-shaped heads are fitted into the fan-shaped grooves.

3. A snap-fit ​​wrist arm connector according to claim 2, characterized in that: The end of the fan-shaped head has an axially arranged locking post (4-6) protruding from it, and the bottom of the fan-shaped groove has an arc groove (5-4) adapted to the locking post (4-6), and the locking post (4-6) is engaged in the arc groove (5-4).

4. A snap-fit ​​wrist arm connector according to claim 2 or 3, characterized in that: Both the central angles of the fan-shaped head and the fan-shaped groove are right angles.

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