Contact network wire displacement prevention clip
By designing a clip for anti-displacement of contact network conductors, the fixing method of wrist arms is simplified, and the problems of complex construction and inefficiency in the prior art are solved, and the construction efficiency is improved and the simple fine adjustment of contact network parameters is achieved.
Patent Information
- Application Number
- CN202420383290.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-02-28
AI Technical Summary
In the construction of railway electrified contact network, the positioning and fixing methods of existing wrist arm devices are complex, resulting in inefficient construction and requiring multiple adjustments to parts.
A contact net wire anti-displacement clip is designed, and a split structure is used to connect the clamp, rotating flat ears and connecting pins, which simplifies the fixing method of the wrist arm and replaces the original oblique wrist arm support tube clip and positioning ring.
Through this clip, the adjustment and installation procedures of parts during construction are reduced, the construction efficiency is improved, and the fine adjustment of contact network parameters is simplified.
Smart Images
Figure CN222538685U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of contact network wrist arm supports, and in particular relates to a contact network conductor anti-displacement clip. Background Art
[0002] In the construction of railway electrification contact network, the contact network pillars are positioned using a wrist device, which includes insulators, flat wrists, inclined wrists, wrist support tubes, positioning support tubes, positioning tubes, etc.
[0003] In the previous construction of support arm devices, the arm support tubes on the arm are fixed with a flat arm support clip and an inclined arm support tube clip, and the positioning tube is connected and fixed with a positioning ring. In the positioning construction of the support arm device, there are many connecting and fastening parts, the construction workload is large, and there are many contact network parameters. These connecting and fastening parts need to be repeatedly adjusted, resulting in reduced work efficiency. 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 conductor anti-displacement clip.
[0005] The utility model is implemented by the following technical scheme: a contact network conductor anti-displacement clamp, comprising a connecting clamp, a rotating flat double ear and a connecting pin; the connecting clamp is a split structure, comprising two arc structures connected by a long bolt, a space for accommodating an oblique wrist arm is formed between the two arc structures, and the long bolt is located in the middle of the two arc structures for connecting the ear of the end of the wrist arm support tube, the arc top of one of the arc structures of the connecting clamp is hinged with the rotating flat double ear through a connecting pin, the lower end of the rotating flat double ear is open and can be hinged with the ear of the end of the wrist arm positioning tube through a connecting pin.
[0006] Preferably, the length of the portion of the long bolt located between the two arc-shaped structures matches the thickness of the ear portion at the end of the arm support tube.
[0007] Preferably, pin holes are provided at the upper and lower openings of the rotating flat double ears, and the central axes of the two pin holes are perpendicular to each other.
[0008] Preferably, the long bolts are connected to the wing plates on both sides of the arc-shaped structure, and the number of the corresponding long bolts on the wing plate on each side of the arc-shaped structure is two.
[0009] Preferably, a flat washer and a non-metallic clamp hexagonal locking nut for locking the long bolt are provided on the upper surface of the wing plate of an arc-shaped structure away from the rotating flat double ears.
[0010] Preferably, the connecting pin is a bolt pin, and the end portion located outside the pin hole is locked by a cotter pin.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The device has a simple structure and is easy to install. A contact network conductor anti-displacement clip can replace the inclined arm support pipe clip and the inclined arm positioning pipe positioning ring originally installed on the inclined arm, which can reduce the adjustment of parts and installation procedures during construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] 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.
[0014] Figure 1 is a front view of the present embodiment;
[0015] Figure 2 It is a side view of this embodiment.
[0016] In the figure: 1-connecting clamp; 2-rotating flat double ears; 3-connecting pin; 4-long bolt; 5-flat washer; 6-non-metallic clamp hexagonal locking nut; 7-cotter pin; 8-oblique wrist arm. DETAILED DESCRIPTION
[0017] 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.
[0018] 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.
[0019] The utility model provides an embodiment:
[0020] like Figure 1 , Figure 2 As shown, a contact network conductor anti-displacement clamp comprises a connecting clamp 1, a rotating flat double ear 2 and a connecting pin 3; the connecting clamp 1 is a split structure, comprising two arc structures connected by a long bolt 4, a space for accommodating an oblique wrist is formed between the two arc structures, and the long bolt 4 is located in the middle of the two arc structures for connecting the ear of the end of the wrist support tube, and the arc top of one of the arc structures of the connecting clamp 1 is provided with a hinged ear, which is hinged to the rotating flat double ear 2 through a connecting pin 3, and the lower end of the rotating flat double ear 2 is open and can be hinged to the ear at the end of the wrist positioning tube through a connecting pin 3.
[0021] In this embodiment, the length of the portion of the long bolt 4 located between the two arc structures matches the thickness of the ear portion of the end of the arm support tube. The long bolt 4 is connected to the wing plates on both sides of the arc structure, and the number of long bolts 4 corresponding to each wing plate on each side of the arc structure is two. The upper end surface of the wing plate of an arc structure away from the rotating flat double ears 2 is provided with a flat washer 5 and a non-metallic clamp hexagonal locking nut 6 for locking the long bolt 4.
[0022] Pin holes are arranged at the upper and lower openings of the rotating flat double ears 2, and the central axes of the two pin holes are perpendicular to each other; the connecting pin 3 is a bolt pin, and the end located outside the pin hole is locked by a cotter pin 7.
[0023] Specific installation steps:
[0024] 1. Calculate the ingredient list according to the wrist arm hardware, draw a line to mark the location of the contact network conductor anti-displacement clip, and install the oblique wrist arm at the marked position of the contact network conductor anti-displacement clip through the hole of the connecting clamp 1;
[0025] 2. After the installation of the oblique arm contact network conductor anti-displacement clip is completed, the flat arm and the oblique arm are installed on the pillar in a "triangle" shape, one end of the oblique arm support tube is installed on the flat arm support tube clip, and the other end is installed on the oblique arm contact network conductor anti-displacement clip clip; the ear at the end of the arm positioning tube is connected to the rotating flat double ear 2 with a connecting pin 3, and the cotter pin 7 in the connecting pin 3 is bent to 120°;
[0026] The contact network conductor anti-displacement clip is a simplified hardware fitting for the contact network wrist arm, which can replace the support tube clip and the positioning ring on the inclined wrist arm, simplifying the installation of the hardware fittings, making it easy to operate, reducing construction workload, improving work efficiency, and realizing micro-adjustment of contact network parameters. By adjusting a contact network conductor anti-displacement clip, the installation height of the positioning tube and the position of the wrist arm support tube can be adjusted.
[0027] 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 conductor anti-displacement clip, characterized in that: The invention comprises a connecting hoop (1), a rotating flat double ear (2) and a connecting pin (3); the connecting hoop (1) is a split structure, comprising two arc structures connected by a long bolt (4); a space for accommodating an oblique wrist arm is formed between the two arc structures; the long bolt (4) is located in the middle of the two arc structures and is used to connect the ear at the end of the wrist arm support tube; the top of one of the arc structures of the connecting hoop (1) is hinged to the rotating flat double ear (2) through a connecting pin (3); the lower end of the rotating flat double ear (2) is open and can be hinged to the ear at the end of the wrist arm positioning tube through a connecting pin (3).
2. The contact network conductor anti-displacement clip according to claim 1, characterized in that: The length of the portion of the long bolt (4) located between the two arc-shaped structures matches the thickness of the ear portion at the end of the arm support tube.
3. The contact network conductor anti-displacement clip according to claim 1, characterized in that: The upper and lower openings of the rotating flat double ears (2) are both provided with pin holes, and the central axes of the two pin holes are perpendicular to each other.
4. The contact network conductor anti-displacement clip according to claim 2, characterized in that: The long bolts (4) are connected to the wing plates on both sides of the arc-shaped structure, and the number of the corresponding long bolts (4) on each wing plate on the arc-shaped structure is two.
5. The contact network conductor anti-displacement clip according to claim 3, characterized in that: A flat washer (5) for locking the long bolt (4) and a non-metallic clamp hexagonal locking nut (6) are arranged on the upper end surface of a wing plate of an arc structure away from the rotating flat double ears (2).
6. The contact network conductor anti-displacement clip according to claim 1, characterized in that: The connecting pin (3) is a bolt pin, and the end portion located outside the pin hole is locked by a cotter pin (7).