Contact net carrier cable anti-channeling base

Abstract

The utility model belongs to the technical field of railway contact net strut cantilever carrier cable lead installation, and solves the problem that the work amount is increased in construction due to the fact that the number of hardware fitting connecting parts on a strut cantilever is large. According to the contact network carrier cable anti-channeling base, an upper hoop and a lower hoop are connected through a hoop bolt and define a space used for clamping a flat cantilever, the lower end of the lower hoop extends in the direction away from the upper hoop to form a hoop lug plate, and connecting pins connected with an inclined cantilever single lug and a positioning pipe supporting single lug are arranged on the hoop lug plate; the fastening shaft is fixedly connected to the upper end of the upper hoop, the pressing plate and the cable dragging clamp are sequentially and movably arranged on the fastening shaft in a sleeving mode in the direction away from the lower hoop, a space for pressing the force bearing guide cable is formed between the pressing plate and the cable dragging clamp, and the distance between the pressing plate and the cable dragging clamp is adjusted through a locking nut connected to the fastening shaft in a threaded mode. The device is simple and compact in structure, reduces the number of fittings, and can reduce the time and procedures of high-altitude internet surfing operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of railway contact network support arm load-bearing cable conductor installation, and specifically relates to a contact network load-bearing cable anti-collision base. Background Art

[0002] During the construction of railway electrification contact network, the contact network load-bearing cable conductor is installed and fixed on the load-bearing cable base, the load-bearing cable base is fixed on the contact network flat wrist arm, the flat wrist arm is connected to the inclined wrist arm through the double ears of the casing for triangular support, and the positioning support tube is connected through the wrist arm support clip on the inclined wrist arm.

[0003] In the previous installation of the supporting arm load-bearing cable conductor, the flat arm was connected to the single ear of the inclined arm through the double ears of the sleeve to form a triangle. The support of the reverse positioning tube is connected to the single ear of the positioning tube through the support tube clip on the inclined arm. In the construction of the electrified contact network, there are many hardware connection parts on the supporting arm, which will increase the construction workload. The large number of hardware parts is easy to loosen and fall off during the high-speed running of the train, which brings more maintenance difficulties to operation and maintenance. Utility Model Content

[0004] In order to solve at least one of the above technical problems existing in the prior art, the utility model provides a contact network load-bearing cable anti-collision base.

[0005] The utility model is implemented by the following technical scheme: a contact network load-bearing cable anti-slip base, including a connecting clamp and a load-bearing cable line fixing mechanism; the connecting clamp is a two-stage split structure, including an upper clamp and a lower clamp, the upper clamp and the lower clamp are connected by clamp bolts and enclose a space for clamping the flat wrist arm, the lower end of the lower clamp is extended with a clamp ear plate in the direction away from the upper clamp, and the clamp ear plate is provided with a connecting pin connected to the single ear of the oblique wrist arm and the single ear of the positioning tube support respectively; the load-bearing cable line fixing mechanism is connected to the end of the upper clamp away from the lower clamp, the load-bearing cable line fixing mechanism includes a towing wire clamp, a pressure plate, a fastening shaft and a locking nut, the fastening shaft is fixedly connected to the upper end of the upper clamp, the pressure plate and the towing wire clamp are movably sleeved on the fastening shaft in sequence in the direction away from the lower clamp, and a space for clamping the load-bearing cable line is formed between the two, and the distance between the pressure plate and the towing wire clamp is adjusted by the locking nut threadedly connected to the fastening shaft.

[0006] Preferably, the clamp ear plate is a splint-like structure, and two connecting pins are arranged at intervals along the length direction of the flat wrist arm.

[0007] Preferably, the connecting pin is a threaded pin, which is fixed to the clamping hoop ear plate by a clamping nut, and an anti-falling cotter pin is arranged on the clamping hoop ear plate outside the clamping nut.

[0008] Preferably, the inner sides of the wire-drawing clamp and the pressure plate are both provided with arc surfaces for accommodating the load-bearing guide wire, and the arc surfaces of the two are arranged opposite to each other; wherein a lower pad is bonded to the arc surface of the wire-drawing clamp.

[0009] Preferably, two groups of arc surfaces for accommodating the load-bearing guide wire are spaced apart along the length direction of the flat wrist arm, and an upper liner and a flat washer are sleeved on the fastening shaft between the pressure plate and the locking nut.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The device has a simple and compact structure. It replaces the oblique wrist arm anti-positioning positioning support pipe clamp and the double ears of the flat wrist arm upper sleeve through the contact network load-bearing cable anti-slip base, reduces the number of hardware, can reduce the time and process of high-altitude Internet access operations, and can ensure the reliability of the fastening connection of the support wrist arm and the installation and fixation reliability of the load-bearing cable conductor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 is a front view of the present embodiment;

[0014] Figure 2 It is a side view of this embodiment.

[0015] In the figure: 1-upper clamp; 2-lower clamp; 2.1-clamp ear plate; 2.2-clamp bolt; 3-connecting pin; 4-drag wire clamp; 5-pressure plate; 6-fastening shaft; 7-locking nut; 8-pressure nut; 9-cotter pin; 10-lower gasket; 11-upper gasket; 12-flat washer; 13-flat wrist arm; 14-load-bearing guide wire. DETAILED DESCRIPTION

[0016] Combined with the drawings in the embodiments of the utility model, the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented, so they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0018] The utility model provides an embodiment:

[0019] like Figure 1 , Figure 2 As shown, a contact network load-bearing cable anti-slip base includes a connecting clamp and a load-bearing cable fixing mechanism; the connecting clamp is a two-stage split structure, including an upper clamp 1 and a lower clamp 2, the upper clamp 1 and the lower clamp 2 are connected by clamp bolts 2.2 and enclose a space for clamping a flat wrist arm, and the lower end of the lower clamp 2 extends away from the upper clamp 1 with a clamp ear plate 2.1, and the clamp ear plate 2.1 is provided with a connecting pin 3 connected to the single ear of the oblique wrist arm and the single ear of the positioning tube support respectively. The load-bearing guide wire fixing mechanism is connected to the end of the upper clamp 1 away from the lower clamp 2. The load-bearing guide wire fixing mechanism includes a towing wire clamp 4, a pressure plate 5, a fastening shaft 6 and a locking nut 7. The fastening shaft 6 is fixedly connected to the upper end of the upper clamp 1. The pressure plate 5 and the towing wire clamp 4 are movably sleeved on the fastening shaft 6 in sequence along the direction away from the lower clamp 2 and a space for clamping the load-bearing guide wire is formed between the two. The distance between the pressure plate 5 and the towing wire clamp 4 is adjusted by the locking nut 7 threadedly connected to the fastening shaft 6.

[0020] In this embodiment, the clamp ear plate 2.1 is a splint-like structure, and two connecting pins 3 are arranged at intervals along the length direction of the flat wrist; the connecting pin 3 is a threaded pin, which is fixed to the clamp ear plate 2.1 by a clamping nut 8, and an anti-falling cotter pin 9 is arranged on the clamp ear plate 2.1 on the outside of the clamping nut 8.

[0021] The inner sides of the wire drag clamp 4 and the pressure plate 5 are both provided with arc surfaces for accommodating the load-bearing guide wire, and the arc surfaces of the two are arranged opposite to each other; a lower pad 10 is bonded to the arc surface of the wire drag clamp 4; two groups of arc surfaces for accommodating the load-bearing guide wire are arranged at intervals along the length direction of the flat wrist arm, and an upper pad 11 and a flat washer 12 are sleeved on the fastening shaft 6 between the pressure plate 5 and the locking nut 7.

[0022] Specific operation process:

[0023] 1. Calculate the ingredient list according to the wrist arm hardware, draw a line to mark the installation position of the load-bearing cable seat, and install the flat wrist arm through the lower clamp 2 hole diameter at the marked position of the contact network load-bearing cable anti-slip base.

[0024] 2. After the installation of the flat arm contact network load-bearing cable anti-slip base is completed, connect the inclined arm single ear with the clamp ear plate 2.1, connect the positioning tube support single ear with the clamp ear plate 2.1, return the erected load-bearing cable conductor to its position and place it in the wire clamp of the contact network load-bearing cable anti-slip base for fixation.

[0025] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A contact network load-bearing cable anti-slip base, characterized by: It includes a connecting hoop and a load-bearing guide wire fixing mechanism; The connecting hoop is a two-stage split structure, comprising an upper hoop (1) and a lower hoop (2), the upper hoop (1) and the lower hoop (2) being connected by a hoop bolt (2.2) and enclosing a space for clamping the flat wrist arm, a hoop ear plate (2.1) extending from the lower end of the lower hoop (2) in a direction away from the upper hoop (1), and a connecting pin (3) respectively connected to a single ear of the oblique wrist arm and a single ear of the positioning tube support is provided on the hoop ear plate (2.1); The load-bearing cable fixing mechanism is connected to one end of the upper clamp (1) away from the lower clamp (2), and comprises a cable clamp (4), a pressure plate (5), a fastening shaft (6) and a locking nut (7). The fastening shaft (6) is fixedly connected to the upper end of the upper clamp (1), and the pressure plate (5) and the cable clamp (4) are movably sleeved on the fastening shaft (6) in sequence in a direction away from the lower clamp (2), and a space for clamping the load-bearing cable is formed between the two. The distance between the pressure plate (5) and the cable clamp (4) is adjusted by the locking nut (7) threadedly connected to the fastening shaft (6).

2. The contact network load-bearing cable anti-slip base according to claim 1, characterized in that: The clamping hoop ear plate (2.1) is a splint-shaped structure, and two connecting pins (3) are arranged at intervals along the length direction of the flat wrist arm.

3. The contact network load-bearing cable anti-slip base according to claim 2, characterized in that: The connecting pin (3) is a threaded pin, which is fixed on the clamping hoop ear plate (2.1) through a clamping nut (8), and an anti-falling cotter pin (9) is arranged on the clamping hoop ear plate (2.1) outside the clamping nut (8).

4. The contact network load-bearing cable anti-slip base according to claim 1, characterized in that: The inner sides of the towing wire clamp (4) and the pressure plate (5) are both provided with arc surfaces for accommodating the load-bearing guide wire, and the arc surfaces of the two are arranged opposite to each other; wherein a lower pad (10) is bonded to the arc surface of the towing wire clamp (4).

5. The contact network load-bearing cable anti-slip base according to claim 1, characterized in that: Two groups of arc surfaces for accommodating the load-bearing guide wire are arranged at intervals along the length direction of the flat wrist arm, and an upper liner (11) and a flat washer (12) are sleeved on the fastening shaft (6) between the pressure plate (5) and the locking nut (7).

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