Buckle type positioning stand column

Abstract

A buckle type positioning stand column comprises an upper hoop, a lower hoop, a positioning pipe, a connecting piece and a fastening bolt pair, a connecting column is arranged on the outer arc face of the lower hoop, the positioning pipe is inserted into the connecting column, 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, the T-shaped clamping head is clamped into the T-shaped bayonet, and the right end of the upper hoop is connected with the right end of the lower hoop; the left ends of the upper hoop and the lower hoop are respectively provided with a connecting hole, 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 positioning column. Background Technology

[0002] In existing simplified overhead contact line components, the positioning column connecting the positioning tube and the positioning device 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 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, this utility model provides a snap-on positioning column.

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

[0005] A snap-fit ​​positioning column includes an upper clamp, a lower clamp, a positioning tube, a connector, and a fastening bolt pair. A connecting post is provided on the outer arc surface of the lower clamp, and the connecting post has a first fixing hole. The positioning tube has a first through hole that mates with the first fixing hole. The positioning tube is inserted into the connecting post. The first connector passes through the first through hole and the first fixing hole to connect the positioning tube to the connecting post. The right end of the upper clamp has a T-shaped latch, and the right end of the lower clamp has a T-shaped clamp head, which engages with the T-shaped latch to connect the right ends of the upper and lower clamps. The left end of the upper clamp has a first connecting hole, and the left end of the lower clamp has a second connecting hole. The fastening bolt pair passes through the first connecting hole and the second connecting hole 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, a boss is provided on the outer arc surface of the lower clamp, the connecting post is located in the center of the boss, and the outer periphery of the connecting post has an annular groove, which is fitted onto the positioning tube.

[0010] Further, the boss is provided with a second fixing hole penetrating the connecting column, and the second fixing hole is located inside the first fixing hole and is arranged in cross intersection with the first fixing hole; the positioning pipe is provided with a second through hole matched with the second fixing hole, and the connecting piece connects the positioning pipe with the boss by penetrating the second fixing hole and the second through hole in sequence.

[0011] The utility model has the advantages of:

[0012] 1. The utility model discloses a buckle connection mode is arranged to the upper hoop and the lower connecting base one end, can realize quick connection and disassembly, improves assembly efficiency, and need not use special tools and equipment when installing, reduces production cost.

[0013] 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

[0014] Figure 1 It is the assembly effect schematic drawing of the utility model;

[0015] Figure 2 It is the upper hoop three -dimensional structure schematic diagram;

[0016] Figure 3 It is the lower hoop three -dimensional structure schematic diagram;

[0017] Figure 4 It is the positioning pipe three -dimensional structure schematic diagram.

[0018] Reference signs: upper hoop 1, T type mouthpiece 1-1, first connecting hole 1-2, lower hoop 2, connecting column 2-1, first fixing hole 2-2, T type head 2-3, end 2-4, clamping column 2-5, second connecting hole 2-6, boss 2-7, annular recess 2-8, second fixing hole 2-9, positioning pipe 3, first through hole 3-1, second through hole 3-2, connecting piece 4, fastening bolt pair 5, wrist arm pipe 6, DETAILED DESCRIPTION

[0019] The utility model will be described in detail below combining with the drawings. Figures 1-4 and specific implementation.

[0020] The buckle type positioning stand comprises an upper hoop 1, a lower hoop 2, a positioning pipe 3, a connecting piece 4 and a fastening bolt pair 5. The outer arc surface of the lower hoop 2 is provided with a connecting column 2-1, and the connecting column 2-1 is provided with a first fixing hole 2-2. The positioning pipe 3 is provided with a through hole 3-1 matched with the first fixing hole 2-2. The positioning pipe 3 is inserted into the connecting column 2-1. The first connecting piece 4 passes through the through hole 3-1 and the first fixing hole 2-2 to connect the positioning pipe 3 and the connecting column 2-1. The right end of the upper hoop 1 is provided with a T-shaped buckle 1-1. The right end of the lower hoop 2 is provided with a T-shaped buckle head 2-3 which is clamped in the T-shaped buckle 1-1 to connect the right ends of the upper hoop 1 and the lower hoop 2. The left end of the upper hoop 1 is provided with a first connecting hole 1-2. The left end of the lower hoop 2 is provided with a second connecting hole 2-6. The fastening bolt pair 5 passes through the first connecting hole 1-2 and the second connecting hole 2-6 to connect the left ends of the upper hoop 1 and the lower hoop 2.

[0021] In an embodiment, the two side ends of the T-shaped buckle head 2-3 are symmetrically arranged as fan-shaped heads. The two sides of the T-shaped buckle 1-1 are provided with fan-shaped grooves matched with the fan-shaped heads. The fan-shaped heads are clamped in the fan-shaped grooves.

[0022] In order to improve the connection reliability of the right ends of the upper hoop 1 and the lower hoop 2, the end of the fan-shaped head is provided with an axially arranged clamping column 2-5. The bottom of the fan-shaped groove is provided with a circular arc groove 1-4 matched with the clamping column 2-5. The clamping column 2-5 is clamped in the circular arc groove 1-4.

[0023] Preferably, the central angles of the fan-shaped head and the fan-shaped groove are right angles.

[0024] In an embodiment, in order to further improve the connection stability of the lower hoop 2 and the positioning pipe 3, the outer arc surface of the lower hoop 2 is provided with a boss 2-7. The connecting column 2-1 is arranged in the center of the boss 2-7 and is provided with an annular groove 2-8 around the periphery. The annular groove 2-8 is sleeved on the positioning pipe 3. The boss 2-7 is provided with a second fixing hole 2-9 penetrating the connecting column 2-1. The second fixing hole 2-9 is arranged inside the first fixing hole 2-2 and crosses the first fixing hole 2-2. The positioning pipe 3 is provided with a second through hole 3-2 matched with the second fixing hole 2-9. The connecting piece 4 passes through the second fixing hole 2-9 and the second through hole 3-2 to connect the positioning pipe 3 and the boss 2-7.

[0025] During installation, the T-shaped buckle head 2-3 is first clamped in the T-shaped buckle 1-1 to connect the right ends of the upper hoop 1 and the lower hoop 2. Then, the upper hoop 1 and the lower hoop 2 are sleeved on the wrist pipe 6. After being adjusted to the appropriate position, the left ends of the upper hoop 1 and the lower hoop 2 are fixed by the fastening bolt 5. The positioning pipe 3 is inserted into the connecting column 2-1 and is anchored together by the connecting piece 4 to realize the support connection of the positioning device.

[0026] The above is further detailed description of the utility model in combination with specific preferred embodiments, and cannot be deemed as limitation of the specific implementation of the utility model to these descriptions. For ordinary skilled persons in the technical field 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, and all of them shall be deemed as belonging to the protection scope of the utility model.

Claims

1. A snap-fit ​​positioning column, comprising an upper clamp (1), a lower clamp (2), a positioning tube (3), a connector (4), and a fastening bolt pair (5), wherein a connecting column (2-1) is provided on the outer arc surface of the lower clamp (2), the connecting column (2-1) has a first fixing hole (2-2), the positioning tube (3) has a first through hole (3-1) that mates with the first fixing hole (2-2), the positioning tube (3) is inserted into the connecting column (2-1), and the first connector (4) passes through the first through hole (3-1) and the first fixing hole (2-2) to connect the positioning tube (3) to the connecting column (2-1), characterized in that: The upper clamp (1) has a T-shaped slot (1-1) on its right end, and the lower clamp (2) has a T-shaped head (2-3) on its right end. The T-shaped head (2-3) is fitted into the T-shaped slot (1-1) to connect the right ends of the upper clamp (1) and the lower clamp (2). The upper clamp (1) has a first connecting hole (1-2) on its left end, and the lower clamp (2) has a second connecting hole (2-6) on its left end. The fastening bolt pair (5) passes through the first connecting hole (1-2) and the second connecting hole (2-6) to connect the left ends of the upper clamp (1) and the lower clamp (2).

2. The snap-on positioning column according to claim 1, characterized in that: The two ends (2-4) of the T-shaped head (2-3) are symmetrically arranged fan-shaped heads, and the slots (1-3) on both sides of the T-shaped opening (1-1) 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 ​​positioning column according to claim 2, characterized in that: The end of the fan-shaped head has an axially arranged locking post (2-5) protruding from it, and the bottom of the fan-shaped groove has an arc groove (1-4) that is adapted to the locking post (2-5), and the locking post (2-5) is engaged in the arc groove (1-4).

4. A snap-fit ​​positioning column 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.

5. A snap-fit ​​positioning column according to claim 1, characterized in that: The lower clamp (2) has a boss (2-7) on its outer arc surface. The connecting column (2-1) is located in the center of the boss (2-7), and the connecting column (2-1) has an annular groove (2-8) around its periphery. The annular groove (2-8) is fitted onto the positioning tube (3).

6. A snap-fit ​​positioning column according to claim 5, characterized in that: The boss (2-7) is provided with a second fixing hole (2-9) that penetrates the connecting post (2-1), and the second fixing hole (2-9) is located inside the first fixing hole (2-2) and is arranged in a cross shape with it; the positioning tube (3) has a second through hole (3-2) that cooperates with the second fixing hole (2-9), and the connector (4) passes through the second fixing hole (2-9) and the second through hole (3-2) in sequence to connect the positioning tube (3) and the boss (2-7).

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