Included angle type elastic sling clamp

Abstract

An included angle type elastic sling clamp comprises an upper clamping plate, a middle clamping plate, a lower clamping plate and a fastening bolt, a first arc-shaped groove is formed in the lower end face of the upper clamping plate, a second arc-shaped groove is formed in the upper end face of the middle clamping plate, the lower end face of the middle clamping plate is a first inclined face with a third arc-shaped groove, and the third arc-shaped groove is obliquely arranged relative to the second arc-shaped groove; the upper end face of the lower clamping plate is a second inclined face with a fourth arc-shaped groove, the second inclined face is parallel to the first inclined face, and the fourth arc-shaped groove is parallel to the third arc-shaped groove. The upper clamping plate, the middle clamping plate and the lower clamping plate are connected and fixed together through fastening bolts, the carrier cable is clamped in the first arc-shaped groove and the second arc-shaped groove, and the elastic sling is clamped in the fourth arc-shaped groove and the third arc-shaped groove. The opposite faces of the middle clamping plate and the lower clamping plate are arranged to be the inclined faces with the arc-shaped grooves, the included angle of the bent position of the elastic sling is reduced, friction damage is relieved, the risks of wire breakage and strand breakage are reduced, and railway operation safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrified railway contact network, and in particular relates to an angled elastic sling wire clamp. Background Art

[0002] In the electrified railway contact network, the elastic cable clamp is an important part for fixing the elastic cable and the load-bearing cable. The existing elastic cable clamp (CN201457119U) includes an upper clamp, a middle clamp, and a lower clamp. When in use, the load-bearing cable and the elastic cable are anchored together by clamping the upper clamp, the middle clamp, and the lower clamp. Affected by the gravity and deflection of the elastic cable itself, there is an angle between the outlet of one end of the elastic cable clamp and the installation direction of the clamp, and the wire is bent, which aggravates the wear of the wire and the clamp. At the same time, the wire is vibrated during the operation of the train, or the wire is disturbed by strong winds, which easily leads to uneven force on the wire. At the bending point of the wire of the elastic cable clamp, the wire is easily damaged, increasing the risk of wire breakage. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides an angled elastic sling wire clamp.

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

[0005] A clamp of an angled elastic sling wire clamp, comprising an upper clamping plate, a middle clamping plate, a lower clamping plate and a fastening bolt, wherein the lower end surface of the upper clamping plate is provided with a first arc-shaped groove, the upper end surface of the middle clamping plate is a plane, and the plane is provided with a second arc-shaped groove, the lower end surface of the middle clamping plate is a first inclined surface, and the first inclined surface is provided with a third arc-shaped groove, and the third arc-shaped groove is arranged obliquely relative to the second arc-shaped groove; the upper end surface of the lower clamping plate is a second inclined surface, and the second inclined surface is parallel to the first inclined surface, and a fourth arc-shaped groove is provided on the second inclined surface, and the fourth arc-shaped groove is arranged parallel to the third arc-shaped groove; the upper clamping plate, the middle clamping plate and the lower clamping plate are connected and fixed together by fastening bolts, and the first arc-shaped groove and the second arc-shaped groove are opposite to each other for clamping the load-bearing cable, and the fourth arc-shaped groove and the third arc-shaped groove are opposite to each other for clamping the elastic sling.

[0006] Furthermore, anti-slip teeth are arranged on the surfaces of the first arc-shaped groove, the second arc-shaped groove, the third arc-shaped groove and the fourth arc-shaped groove.

[0007] Furthermore, the ports of the third arc-shaped groove and the fourth arc-shaped groove are both trumpet-shaped. Furthermore, the lower end surface of the lower clamping plate is a plane.

[0008] Beneficial effects of the utility model:

[0009] The utility model sets the relative surfaces of the middle clamping plate and the lower clamping plate as inclined surfaces with arc-shaped grooves, so that the elastic sling forms a certain angle with the horizontal plane after being clamped and fixed, thereby reducing the bending angle of the elastic sling in the working state, reducing the friction damage between the elastic sling and the wire clamp, and reducing the risk of wire breakage and strand breakage during vibration, thereby improving the fatigue resistance of the wire fixing point and ensuring the safety of line operation.

[0010] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model,

[0012] Figure 2 This is a schematic diagram of the structure of the upper splint of the utility model.

[0013] Figure 3 This is a bottom view of the splint in the utility model.

[0014] Figure 4 It is the left view of the splint in the utility model.

[0015] Figure 5 It is a structural schematic diagram of the lower clamping plate of the utility model.

[0016] Figure markings: upper clamping plate 1, first arc-shaped groove 1-1, through hole 1-2, middle clamping plate 2, second arc-shaped groove 2-1, third arc-shaped groove 2-2, first inclined surface 2-3, through hole 2-4, lower clamping plate 3, fourth arc-shaped groove 3-1, second inclined surface 3-2, threaded hole 3-3, fastening bolt 4, load-bearing cable 5, elastic sling 6, stop washer 7. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-5 The utility model is further described in detail with specific implementation methods.

[0018] An angled elastic sling wire clamp comprises an upper clamping plate 1, a middle clamping plate 2, a lower clamping plate 3 and a fastening bolt 4. The lower end surface of the upper clamping plate 1 is provided with a first arc-shaped groove 1-1, and the four corners of the upper clamping plate 1 are provided with four through holes 1-2.

[0019] The upper end surface of the middle splint 2 is a plane, and a second arc-shaped groove 2-1 is provided on the plane. The lower end surface of the middle splint 2 is a first inclined surface 2-3, and a third arc-shaped groove 2-2 is provided on the first inclined surface 2-3, and the third arc-shaped groove 2-2 is arranged inclined relative to the second arc-shaped groove 2-1; two through holes 2-4 are provided on one side of the middle splint 2.

[0020] The upper end surface of the lower clamping plate 3 is a second inclined surface 3-2, and the second inclined surface 3-2 is parallel to the first inclined surface 2-3. A fourth arc-shaped groove 3-1 is provided on the second inclined surface 3-2, and the fourth arc-shaped groove 3-1 is arranged parallel to the third arc-shaped groove 2-2; four threaded holes 3-3 are provided at the four corners of the lower clamping plate 3.

[0021] The upper clamping plate 1, the middle clamping plate 2 and the lower clamping plate 3 are connected and fixed together by four fastening bolts 4 that pass through the through hole 1-2 and the through hole 2-4 respectively and are threadedly connected with the threaded hole 3-3, and the first arc-shaped groove 1-1 and the second arc-shaped groove 2-1 are opposite to each other for clamping the load-bearing cable 5, and the fourth arc-shaped groove 3-1 and the third arc-shaped groove 2-2 are opposite to each other for clamping the elastic sling 6.

[0022] The surfaces of the first arc groove 1 - 1 , the second arc groove 2 - 1 , the third arc groove 2 - 2 and the fourth arc groove 3 - 1 are all provided with anti-slip teeth to prevent the wire clamp from sliding along the load-bearing cable 5 and the elastic sling 6 .

[0023] The ends of the third arc groove 2-2 and the fourth arc groove 3-1 are both trumpet-shaped, so as to adapt to the working state of the elastic sling 6 and reduce the friction damage between the elastic sling and the wire clamp.

[0024] The lower end surface of the lower clamping plate 3 is a plane, which is convenient for processing and manufacturing.

[0025] During installation, first place the thinner side of the middle clamp plate 2 and the thicker side of the lower clamp plate 3 toward the end of the elastic sling 6, then place the load-bearing cable 5 in the first arc groove 1-1 and the second arc groove 2-1, place the elastic sling 6 in the third arc groove 2-2 and the fourth arc groove 3-1, and tighten the four fastening bolts 4 to anchor the load-bearing cable 5 and the elastic sling 6 together. In order to prevent the bolts from loosening, a locking washer 7 can also be set between the bolts 4 and the upper clamp plate 1.

[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. An angled elastic sling wire clamp, comprising an upper clamping plate (1), a middle clamping plate (2), a lower clamping plate (3) and a fastening bolt (4), wherein the lower end surface of the upper clamping plate (1) is provided with a first arc-shaped groove (1-1), characterized in that: The upper end surface of the middle clamping plate (2) is a plane, and a second arc-shaped groove (2-1) is provided on the plane; the lower end surface of the middle clamping plate (2) is a first inclined surface (2-3), and a third arc-shaped groove (2-2) is provided on the first inclined surface (2-3), and the third arc-shaped groove (2-2) is arranged obliquely relative to the second arc-shaped groove (2-1); the upper end surface of the lower clamping plate (3) is a second inclined surface (3-2), and the second inclined surface (3-2) is parallel to the first inclined surface (2-3), and the second inclined surface (3-2) is parallel to the first inclined surface (2-3). A fourth arc-shaped groove (3-1) is provided on the surface (3-2), and the fourth arc-shaped groove (3-1) is arranged in parallel with the third arc-shaped groove (2-2); the upper clamping plate (1), the middle clamping plate (2), and the lower clamping plate (3) are connected and fixed together by fastening bolts (4), and the first arc-shaped groove (1-1) and the second arc-shaped groove (2-1) are opposite to each other for clamping the load-bearing cable (5), and the fourth arc-shaped groove (3-1) and the third arc-shaped groove (2-2) are opposite to each other for clamping the elastic sling (6).

2. The angled elastic sling clamp according to claim 1, characterized in that: Anti-slip teeth are arranged on the surfaces of the first arc-shaped groove (1-1), the second arc-shaped groove (2-1), the third arc-shaped groove (2-2) and the fourth arc-shaped groove (3-1).

3. An angled elastic sling clamp according to claim 1 or 2, characterized in that: The ports of the third arc-shaped groove (2-2) and the fourth arc-shaped groove (3-1) are both trumpet-shaped.

4. The angled elastic sling clamp according to claim 3, characterized in that: The lower end surface of the lower clamping plate (3) is a plane.

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