High-speed railway overhead line system positioning wire clamp

Abstract

A high-speed railway contact net positioning wire clamp comprises a main clamping plate, an auxiliary clamping plate, a positioning pin and a fastening assembly, semicircular holes are symmetrically formed in the top ends of the main clamping plate and the auxiliary clamping plate, rectangular through holes are symmetrically formed in the middle portions, and symmetrical thread-shaped angles are arranged on the inner sides of the lower portions; a semicircular groove is formed in the inner wall of the semicircular hole in the circumferential direction, and a first annular boss and a second annular boss are arranged on the lower portion of the positioning pin. The positioning pin is arranged between the main clamping plate and the auxiliary clamping plate which are oppositely arranged, the main clamping plate and the auxiliary clamping plate are fixedly connected together through the fastening assembly, the positioning pin is clamped between the main clamping plate and the auxiliary clamping plate, the first annular boss is embedded into an annular groove defined by the two semicircular grooves, and the second annular boss extends into the two rectangular through holes. According to the utility model, the defects of axial movement and left-right shaking of the positioning pin and the problem of serious abrasion are eliminated, the positioning is accurate in the operation process, and the stability and the safety of the current collection of the locomotive are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrified railway contact network, and in particular relates to a positioning wire clamp for a high-speed railway contact network. Background Art

[0002] The positioning wire clamp is one of the key components in the contact network system of the electrified railway. It is usually used in conjunction with a positioner to fix and position the contact wire to ensure its accurate and stable position. The prior art closest to the utility model is the "High-speed Railway Contact Network Positioning Wire Clamp Device CN106114289A" previously applied for by the applicant. After the positioning pin of the wire clamp is connected with the main and auxiliary clamping plates, there are defects such as axial stringing and left and right shaking. During operation, there are problems such as inaccurate positioning and severe wear, which affect the stability and safety of the locomotive current collection. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a novel high-speed railway contact network positioning wire clamp device.

[0004] The utility model is realized by the following technical solutions:

[0005] A high-speed railway contact network positioning wire clamp comprises a main plate, an auxiliary plate, a positioning pin and a fastening assembly, wherein the main plate and the auxiliary plate are symmetrically provided with semicircular holes at the top, symmetrically provided with rectangular through holes in the middle, and the inner sides of the lower parts have mutually symmetrical tooth angles, and the inner walls of the semicircular holes are circumferentially provided with semicircular grooves, and the lower part of the positioning pin has a first annular boss and a second annular boss; the positioning pin is arranged between the relatively arranged main plate and the auxiliary plate, and the main plate and the auxiliary plate are fixedly connected together by a fastening assembly, the positioning pin is clamped between the main plate and the auxiliary plate, and the first annular boss is embedded in the annular groove formed by the two semicircular grooves, and the second annular boss extends into the two rectangular through holes.

[0006] A high-speed railway contact network positioning wire clamp, comprising a main plate, an auxiliary plate, a positioning pin, and a fastening assembly, wherein the main plate and the auxiliary plate are symmetrically provided with semicircular holes at the top, symmetrically provided with rectangular through holes in the middle, and the inner sides of the lower parts have mutually symmetrical tooth angles, and are characterized in that: a semicircular boss is circumferentially provided on the inner wall of the semicircular hole, and the lower part of the positioning pin has an annular groove and a second annular boss; the positioning pin is provided between the relatively arranged main plate and the auxiliary plate, and the main plate and the auxiliary plate are fixedly connected together by the fastening assembly, the positioning pin is clamped between the main plate and the auxiliary plate, and the two semicircular bosses are embedded in the annular groove, and the second annular boss extends into the two rectangular through holes.

[0007] Furthermore: bosses and grooves are alternately arranged on both sides of the inner end surfaces of the upper parts of the main plate and the auxiliary plate, and the bosses and grooves are distributed on both sides of the semicircular hole, and the bosses and grooves on the main plate and the auxiliary plate are embedded in each other.

[0008] Further: the fastening assembly includes bolts, nuts and stop washers, and the main splint and the auxiliary splint are correspondingly provided with connecting holes, and the fastening assembly is installed on the connecting holes.

[0009] Beneficial effects of the utility model:

[0010] 1. The positioning pin of the utility model is axially positioned in the annular groove formed by the main and auxiliary clamping plates through the annular boss thereon, eliminating the defects of axial string movement and left and right shaking and the problem of severe wear, and the positioning is accurate during operation, ensuring the stability and safety of the locomotive current collection.

[0011] 2. The positioning pin of the utility model is axially positioned in the annular groove formed by the main and auxiliary clamping plates through the annular boss thereon, and the annular boss provides a guide for the rotation of the positioning clamp, thereby reducing the bending stress of the positioning pin. At the same time, during the installation of the upper line, the positioning pin and the positioning device pin sleeve are more closely and reasonably matched, the force distribution is uniform, and the service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the main splint and the auxiliary splint of the utility model;

[0014] Figure 3 This is a schematic diagram of the matching structure of the main splint, the auxiliary splint and the positioning pins of the utility model;

[0015] Figure 4 This is a schematic diagram of the positioning pin structure of the utility model;

[0016] Figure 5 This is a schematic structural diagram of the main splint and the auxiliary splint of Embodiment 2 of the utility model;

[0017] Figure 6 This is a schematic diagram of the matching structure of the main splint, the auxiliary splint and the positioning pins in Embodiment 2 of the utility model;

[0018] Figure 7 This is a schematic diagram of the positioning pin structure of Example 2 of the utility model.

[0019] Explanation of the reference numerals: main plate 1, auxiliary plate 2, positioning pin 3, fastening assembly 4, semicircular hole 5, rectangular through hole 6, tooth angle 7, first annular boss 8, second annular boss 9, semicircular groove 10, boss 11, groove 12, bolt 13, stop washer 14, nut 15, connecting hole 16, semicircular boss 17, annular groove 18. DETAILED DESCRIPTION

[0020] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.

[0021] Example 1, refer to the attached Figure 1-4 , a high-speed railway contact network positioning clamp, comprising a main splint 1, an auxiliary splint 2, a positioning pin 3, and a fastening assembly 4, wherein the main splint 1 and the auxiliary splint 2 are symmetrically provided with semicircular holes 5 at the top, symmetrically provided with rectangular through holes 6 in the middle, and the inner side of the lower part has mutually symmetrical tooth angles 7, and the inner wall of the semicircular hole 5 is circumferentially provided with a semicircular groove 10, and the lower part of the positioning pin 3 has a first annular boss 8 and a second annular boss 9; the positioning pin 3 is arranged between the relatively arranged main splint 1 and the auxiliary splint 2, and the main splint 1 and the auxiliary splint 2 are fixedly connected together by the fastening assembly 4, the positioning pin 3 is clamped between the main splint 1 and the auxiliary splint 2, and the first annular boss 8 is embedded in the annular groove formed by the two semicircular grooves 10, and the second annular boss 9 extends into the two rectangular through holes 6.

[0022] Bosses 11 and grooves 12 are alternately provided on both sides of the inner end surfaces of the upper parts of the main plate 1 and the auxiliary plate 2, and the bosses 11 and the grooves 12 are distributed on both sides of the semicircular hole 5, and the bosses 11 and the grooves 12 on the main plate 1 and the auxiliary plate 2 are embedded in each other.

[0023] The fastening assembly 4 includes a bolt 13 , a stop washer 14 and a nut 15 . Connecting holes 16 are formed on the main plate 1 and the auxiliary plate 2 , respectively. The fastening assembly 4 is mounted on the connecting holes 16 .

[0024] Example 2, refer to the attached Figure 1 , 5 -7, the basic structure is the same as that of embodiment 1, except that a semicircular boss 17 is circumferentially arranged on the inner wall of the semicircular hole 5, and the lower part of the positioning pin 3 has an annular groove 18 and a second annular boss 9; the positioning pin 3 is arranged between the relatively arranged main plate 1 and the auxiliary plate 2, and the main plate 1 and the auxiliary plate 2 are fixedly connected together by the fastening assembly 4, the positioning pin 3 is clamped between the main plate 1 and the auxiliary plate 2, and the two semicircular bosses 17 are embedded in the annular groove 18, and the second annular boss 9 extends into the two rectangular through holes 6.

[0025] The installation and use method of the utility model is the same as that of the "high-speed railway contact network positioning wire clamp device CN106114289A".

[0026] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A high-speed railway contact network positioning clamp, comprising a main clamping plate (1), a secondary clamping plate (2), a positioning pin (3), and a fastening assembly (4), wherein the main clamping plate (1) and the secondary clamping plate (2) are symmetrically provided with semicircular holes (5) at the top, symmetrically provided with rectangular through holes (6) in the middle, and the inner side of the lower part has mutually symmetrical tooth angles (7), characterized in that: A semicircular groove (10) is circumferentially arranged on the inner wall of the semicircular hole (5), and the lower part of the positioning pin (3) has a first annular boss (8) and a second annular boss (9); the positioning pin (3) is arranged between the main plate (1) and the auxiliary plate (2) which are arranged opposite to each other, and the main plate (1) and the auxiliary plate (2) are fixedly connected together by the fastening assembly (4), so that the positioning pin (3) is clamped between the main plate (1) and the auxiliary plate (2), and the first annular boss (8) is embedded in the annular groove formed by the two semicircular grooves (10), and the second annular boss (9) extends into the two rectangular through holes (6).

2. A high-speed railway contact network positioning clamp, comprising a main clamping plate (1), a secondary clamping plate (2), a positioning pin (3), and a fastening assembly (4), wherein the main clamping plate (1) and the secondary clamping plate (2) are symmetrically provided with semicircular holes (5) at the top, symmetrically provided with rectangular through holes (6) in the middle, and the inner side of the lower part has mutually symmetrical tooth angles (7), characterized in that: A semicircular boss (17) is circumferentially arranged on the inner wall of the semicircular hole (5); the lower part of the positioning pin (3) has an annular groove (18) and a second annular boss (9); the positioning pin (3) is arranged between the main plate (1) and the auxiliary plate (2) which are arranged opposite to each other; the main plate (1) and the auxiliary plate (2) are fixedly connected together by the fastening assembly (4); the positioning pin (3) is clamped between the main plate (1) and the auxiliary plate (2); the two semicircular bosses (17) are embedded in the annular groove (18); and the second annular boss (9) extends into the two rectangular through holes (6).

3. A high-speed railway contact network positioning clamp according to claim 1 or 2, characterized in that: The upper inner end surfaces of the main plate (1) and the auxiliary plate (2) are staggered with bosses (11) and grooves (12), and the bosses (11) and grooves (12) are distributed on both sides of the semicircular hole (5), and the bosses (11) and grooves (12) on the main plate (1) and the auxiliary plate (2) are embedded in each other.

4. A high-speed railway contact network positioning clamp according to claim 3, characterized in that: The fastening assembly (4) comprises a bolt (13), a stop washer (14) and a nut (15); corresponding connecting holes (16) are formed on the main plate (1) and the auxiliary plate (2); and the fastening assembly (4) is mounted on the connecting holes (16).

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