Buckle type cantilever supporting connector

Abstract

A buckle type cantilever supporting connector comprises an upper hoop and a lower hoop, one side, deviating from an arc surface, of the upper hoop is provided with a connecting part, the right end of the upper hoop is provided with a T-shaped clamping head, the right end of the lower hoop is provided with a T-shaped bayonet, and the T-shaped clamping head is clamped in the T-shaped bayonet to connect the right ends of the upper hoop and the lower hoop together; the left end of the upper hoop and the left end of the lower hoop are respectively provided with a connecting hole, and the left end of the upper hoop and the left end of the lower hoop are connected together through a fastening bolt penetrating through the connecting holes. 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] The utility model relates to electrified railway contact network component technical field especially relates to a buckle type wrist arm support connector. BACKGROUND

[0002] In the prior simple contact network component, the support connector connecting the wrist arm and the positioning device adopts pin shaft riveting structure, the professional tool and equipment are needed for pin shaft riveting, the assembly cost is increased, the pin shaft riveting process is complex, and the time consumption is longer, the assembly efficiency is affected, in addition, due to the long-term vibration and environmental factors of the contact network, pin shaft riveting is prone to loosening, the connection reliability is reduced, and the stable operation of the contact network is affected. SUMMARY

[0003] In order to solve the above problems existing in the prior art, the utility model provides a buckle type wrist arm support connector.

[0004] The utility model discloses a following technical scheme realizes:

[0005] A buckle type wrist arm support connector, including upper hoop and lower hoop, the upper hoop has the connecting portion on the side away from the circular arc surface, characterized by: the right end of the upper hoop is equipped with '' T '' type head, the right end of the lower hoop is provided with '' T '' type mouth, and the '' T '' type head is clamped in the '' T '' type mouth and connects the right end of the upper hoop and the lower hoop together, the left end of the upper hoop and the lower hoop is provided with connecting hole respectively, and the left end of the upper hoop and the lower hoop is connected together through the fastening bolt passing through the connecting hole.

[0006] Further, the two sides of the '' T '' type head are the symmetrical fan-shaped heads, the clamping groove of the two sides of the '' T '' type mouth is the fan-shaped recess matched with the fan-shaped head, and the fan-shaped head is clamped in the fan-shaped recess.

[0007] Further, the end of the fan-shaped head is provided with the axial clamping column, the bottom of the fan-shaped recess has the circular arc groove matched with the clamping column, and the clamping column is clamped in the circular arc groove.

[0008] Further, the central angle of the fan-shaped head and the fan-shaped recess is a right angle.

[0009] Further, the connecting portion is the axial vertical double lug or vertical single lug.

[0010] The utility model has the advantages of:

[0011] 1, the utility model discloses the one end of upper hoop and lower hoop is provided with buckle connection mode, can realize quick connection and disassembly, improves assembly efficiency, and need not use special tool and equipment when installing, reduces production cost.

[0012] 2、Compared with the existing pin shaft riveting structure, the pin shaft riveting loosening phenomenon caused by long-term vibration and environmental factors is avoided, the connection reliability is improved, and the stable operation of the catenary is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is the structural schematic diagram of the utility model;

[0014] Fig. 2 is the upper hoop structure schematic diagram;

[0015] Fig. 3 is the lower hoop structure schematic diagram.

[0016] The drawings are as follows: upper hoop 1, lower hoop 2, connecting part 3, connecting hole 4, fastening bolt 5, T-shaped clamp head 6, clamping column 6-1, end head 6-2, T-shaped clamp opening 7, circular arc groove 7-1, clamping groove 7-2, wrist arm pipe 8, pin 9. DETAILED DESCRIPTION

[0017] The utility model will be explained in detail below combining with the drawings and specific embodiment. Figs. 1-3 And specific embodiment to the utility model is explained in detail.

[0018] A buckle type wrist arm support connector, including upper hoop 1 and lower hoop 2, the upper hoop 1 is provided with connecting part 3 on the side away from the circular arc surface, the right end of the upper hoop 1 is equipped with T-shaped clamp head 6, the right end of the lower hoop 2 is provided with T-shaped clamp opening 7, and the T-shaped clamp head 6 is clamped in the T-shaped clamp opening 7 to connect the right end of the upper hoop 1 and lower hoop 2 together, the left end of the upper hoop 1 and lower hoop 2 is provided with connecting hole 4 respectively, and the left end of the upper hoop 1 and lower hoop 2 is connected together by fastening bolt 5 through the connecting hole 4.

[0019] In an embodiment, the two sides end head 6-2 of the T-shaped clamp head 6 is the symmetrical arrangement of sector head, the clamping groove 7-2 of the two sides of the T-shaped clamp opening 7 is the sector recess that is adapted with the sector head, and the sector head is clamped in the sector recess.

[0020] In order to improve the connection reliability of the right end of the upper hoop 1 and lower hoop 2, the end of the sector head is protruded with the clamping column 6-1 that is axially arranged, the bottom of the sector recess has the circular arc groove 7-1 that is adapted with the clamping column 6-1, and the clamping column 6-1 is clamped in the circular arc groove 7-1.

[0021] Preferably, the central angle of the sector head and the sector recess is a right angle.

[0022] In an embodiment, the connecting part 3 is the vertical double ear or vertical single ear that is axially arranged.

[0023] In the installation, the right end of the upper and lower hoops 1 and 2 are connected together by clamping the "T" shaped connector 6 in the "T" shaped connector 7, then the upper and lower hoops 1 and 2 are sleeved on the wrist arm pipe 8, after adjusting to the appropriate position, the left end of the upper and lower hoops 1 and 2 are connected together by the fastening bolt 5 through the connecting hole 4 and the torque is applied to fix, finally the connecting part 3 is hinged with the positioning device through the pin 9, thus the support connection of the wrist arm and the positioning device is realized.

[0024] The above is the further detailed description of the utility model in combination with the specific preferred embodiments, which cannot be considered as the specific implementation of the utility model is limited to these descriptions. For the ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which shall be considered as belonging to the protection scope of the utility model.

Claims

1. A snap-on type of cantilever support connector comprising an upper clasp (1) and a lower clasp (2), the upper clasp (1) having a connecting portion (3) on the side facing away from the circular arc surface, characterized in that: The right end of the upper hoop (1) is provided with a "T" type head (6), the right end of the lower hoop (2) is provided with a "T" type socket (7), and the "T" type head (6) is clamped in the "T" type socket (7) to connect the right ends of the upper hoop (1) and the lower hoop (2) together; the left ends of the upper hoop (1) and the lower hoop (2) are respectively provided with connecting holes (4), and the left ends of the upper hoop (1) and the lower hoop (2) are connected together by a fastening bolt (5) passing through the connecting holes (4).

2. A buckle-type arm support connector according to claim 1, characterized in that: The two side ends (6-2) of the "T" type head (6) are symmetrically arranged fan-shaped heads, the clamping grooves (7-2) on the two sides of the "T" type socket (7) 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 arm support connector according to claim 2, wherein: The end of the fan-shaped head protrudes an axially arranged clamping column (6-1), the bottom of the fan-shaped recess has a circular arc groove (7-1) matched with the clamping column (6-1), and the clamping column (6-1) is clamped in the circular arc groove (7-1).

4. A buckle-type cantilever support connector according to claim 2 or 3, wherein: The central angles of the fan-shaped head and the fan-shaped recess are both right angles.

5. The buckle-type haunch support connector according to claim 1, wherein: The connecting part (3) is an axially arranged vertical double ear or a vertical single ear.

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