Electrified railway contact net positioning device
By designing a triangular structure and a load-bearing cable seat in the positioning device for the overhead contact line of electrified railways, the problem of insufficient stability between the flat and inclined cantilever arms was solved, thus achieving the stability of the device and the stable positioning of the railway overhead contact line.
Patent Information
- Application Number
- CN202422758028.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-13
AI Technical Summary
In existing electrified railway catenary positioning devices, a stable triangular structure cannot be formed between the flat cantilever arm and the oblique cantilever arm, resulting in poor overall structural stability.
Design an electrified railway catenary positioning device, wherein the flat cantilever arm, the positioning cantilever arm, and the inclined cantilever arm are located in the same plane, and form a triangular structure through the connector and the cantilever arm rod. Combined with the catenary seat and the combined positioner, the stable connection and adjustment of the catenary and the contact wire can be achieved.
It improves the overall structural stability of the device, ensures that the catenary cable remains taut, enhances the traction of the flat cantilever arm and the stability of the device, and maintains the stable positioning of the railway catenary.
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Figure CN223672320U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to railway technical field, in particular to a kind of electrification railway contact net positioning device. BACKGROUND
[0002] With the rapid development of electrified railway in the world, as the important medium for electric locomotive to obtain electric energy, the stability and reliability of contact net are crucial to the safety and efficiency of railway operation.
[0003] The patent with publication number CN218367471U discloses an electrification railway contact net positioning device, which comprises a flat arm, a tension adjuster and a mounting assembly. The mounting assembly includes a mounting plate with an adjusting groove inside. Two groups of mounting screws are installed inside the adjusting groove. The tension adjuster includes a threaded sleeve with a threaded rod penetrating inside. The extension length of the threaded rod can be adjusted by rotating the threaded sleeve, so that the tension of the traction cable can be adjusted without the need for additional auxiliary equipment. The traction cable remains in a tight state.
[0004] However, the patent has the following defects: the flat arm and the inclined arm are connected by a connecting hoop, and the inclined arm and the positioning arm are connected by an arm rod. The flat arm and the inclined arm, as well as the inclined arm and the positioning arm, do not form a stable triangular structure, and the overall structural stability of the device is poor. UTILITY MODEL CONTENT
[0005] The utility model aims to provide an electrification railway contact net positioning device to overcome the above-mentioned shortcomings.
[0006] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0007] An electrification railway contact net positioning device comprises:
[0008] A flat arm and a positioning arm are arranged vertically and horizontally. An inclined arm is arranged below the flat arm and is inclined. The flat arm, the positioning arm and the inclined arm are located in the same plane. One end of the flat arm is rotatably connected to one end of the inclined arm through a connecting piece. The other end of the flat arm is connected to the middle part of the inclined arm through a first arm rod. The middle part of the flat arm is rotatably connected to the other end of the positioning arm through a connecting piece, and is connected to the middle part of the positioning arm rod through a second arm rod. The flat arm, the first arm rod and the inclined arm, and the inclined arm, the second arm rod and the positioning arm form a triangle.
[0009] A load-bearing cable seat is installed at one end of the flat arm.
[0010] A combined positioner is installed below the position arm.
[0011] Further, the force bearing cable seat comprises
[0012] A force bearing sleeve is fixedly sleeved on one end of the horizontal arm;
[0013] A threaded rod is arranged in the vertical direction and fixedly connected to the upper end of the force bearing sleeve;
[0014] A movable limiting clamp seat is movably penetrated through the threaded rod, and the limiting clamp seat is used for connecting the force bearing cable; and
[0015] Two nuts are threadedly connected to the threaded rod and respectively abut against the upper and lower ends of the limiting clamp seat.
[0016] Further, the limiting clamp seat comprises a lower clamp and an upper clamp movably penetrated through the threaded rod, and the lower clamp and the upper clamp are matched with each other to clamp the force bearing cable, the upper nut abuts against the upper surface of the upper clamp, and the lower nut abuts against the lower surface of the lower clamp.
[0017] A fastener is penetrated through the side wall of the force bearing sleeve, and the force bearing sleeve is fixedly connected to one end of the horizontal arm through the fastener.
[0018] Further, the combined positioner comprises:
[0019] A position support is installed in the middle of the position arm; and
[0020] A positioner is installed with a position line clamp at one end, and the other end of the positioner is connected to the position support, and one end of the positioner is obliquely inclined downward away from the other end of the positioner.
[0021] Further, a position ring is installed at one end of the position arm, and the position ring is connected to one end of the positioner through a windproof stay.
[0022] Further, the other end of the horizontal arm and the other end of the inclined arm are both connected to one end of a post insulator, and the other end of the post insulator is installed with an arm base.
[0023] Further, the arm base comprises:
[0024] A bottom plate is arranged with an adjusting groove;
[0025] Two groups of mounting screws are installed in the adjusting groove;
[0026] A mounting lug is fixedly installed on the bottom plate, and the mounting lug is hingedly connected to the other end of the post insulator through a mounting bolt.
[0027] Further, the connecting piece comprises two connecting sleeves, a fastener is connected through the side wall of the connecting sleeve, a connecting lug is fixedly connected to the outer side wall of the connecting sleeve, and the two connecting sleeves are rotationally connected through a bolt penetrating the two connecting lugs.
[0028] Further, the two ends of the first wrist arm rod and the two ends of the second wrist arm rod are fixedly installed with connecting sleeves, and the connecting sleeves are rotationally connected with connecting hoops.
[0029] Further, one end of the flat wrist arm, one end of the positioning wrist arm and one end of the inclined wrist arm are installed with pipe caps.
[0030] Compared with the prior art, the utility model has at least the following advantages:
[0031] In the utility model, the flat wrist arm, the first wrist arm rod and the inclined wrist arm form a triangle, and the positioning device has the stability of a triangle, thereby improving the stability of the overall structure. BRIEF DESCRIPTION OF DRAWINGS
[0032] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0033] Figure 1 It is the overall structure schematic diagram of the utility model electrical railway catenary positioning device;
[0034] Figure 2 It is the overall structure schematic diagram of the utility model electrical railway catenary positioning device from another perspective;
[0035] Figure 3 It is the utility model Figure 2 The local enlarged view of area A in the utility model;
[0036] Figure 4 It is the local enlarged view of area B in the utility model; Figure 2
[0037] Figure 5 It is the local enlarged view of area C in the utility model. Figure 2
[0038] Reference signs: 1, flat arm; 2, force bearing cable seat; 3, inclined arm; 4, connecting piece; 5, first arm rod; 6, positioning arm; 7, combined positioner; 8, column insulator; 9, arm base; 10, connecting sleeve; 11, connecting lug; 12, bolt; 13, connecting sleeve; 14, connecting hoop; 15, pipe cap; 201, force bearing sleeve; 202, threaded rod; 203, upper clamping seat; 204, lower clamping seat; 205, nut; 206, fastener; 701, positioning support; 702, positioner; 703, positioning wire clamp; 704, positioning ring; 705, windproof stay; 901, base plate; 902, adjusting groove; 903, mounting screw; 904, mounting lug; 905, mounting bolt. DETAILED DESCRIPTION
[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0040] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.
[0041] With reference to Figures 1-2 The utility model provides a kind of electrified railway catenary positioning device for positioning railway catenary. Its specific structure mainly includes arm structure, force bearing cable seat 2 and combined positioner 7.
[0042] Among them, arm structure is composed of flat arm 1, positioning arm 6 and inclined arm 3. Flat arm 1 and positioning arm 6 are arranged along horizontal direction, and the upper and lower interval distribution, inclined arm 3 is located below flat arm 1 and is in inclined state. Flat arm 1, positioning arm 6 and inclined arm 3 are in the same plane. Flat arm 1 one end is rotatably connected with inclined arm 3 one end by connecting piece 4, and flat arm 1 other end is connected with the middle part of inclined arm 3 by first arm rod 5, so that, flat arm 1, first arm rod 5 and inclined arm 3 form triangle. Flat arm 1 middle part is rotatably connected with the other end of positioning arm 6 by connecting piece 4, and is connected with the middle part of positioning arm 6 by second arm rod, so that inclined arm 3, second arm rod and positioning arm 6 also form triangle. Using the principle that triangle has stability, the structural stability of overall positioning device is improved.
[0043] Force bearing cable seat 2 is installed at one end of flat arm 1, for connecting force bearing cable. Combined positioner 7 is installed below positioning arm 6, for connecting contact line.
[0044] With reference to Figure 3 : the force cable seat 2 includes a force sleeve 201, a threaded rod 202, a limiting clamp seat and two nuts 205. The force sleeve 201 is fixedly sleeved on one end of the flat wrist arm 1, and a fastener 206 is connected through the side wall thereof. A connecting hole is arranged on the side wall of one end of the flat wrist arm 1, the fastener 206 passes through the side wall of the force sleeve 201 and is inserted into the connecting hole, so as to realize the fixed connection of the force sleeve 201 with one end of the flat wrist arm 1. The threaded rod 202 is arranged in the vertical direction and is fixedly connected with the upper end of the force sleeve 201. The limiting clamp seat is movably penetrated on the threaded rod 202 and is used for connecting the force cable. The limiting clamp seat is composed of a lower clamp seat 204 and an upper clamp seat 203 which cooperate with each other to clamp the force cable. The two nuts 205 are threadedly connected on the threaded rod 202 and abut against the upper and lower ends of the limiting clamp seat respectively, that is, the upper nut 205 abuts against the upper surface of the upper clamp seat 203, and the lower nut 205 abuts against the lower surface of the lower clamp seat 204. By rotating the two nuts 205, the height of the upper clamp seat 203 and the lower clamp seat 204 can be adjusted, so as to realize the adjustment of the tightness of the force cable, and the force cable can be kept in a tight state. The tight force cable can ensure the traction force on the flat wrist arm 1, improve the stability of the installation of the flat wrist arm 1, increase the carrying capacity of the flat wrist arm 1, and further improve the overall stability and practicability of the device and keep the stable positioning of the railway overhead contact system.
[0045] Again with reference to Figures 1-2 , the combined positioner 7 includes a positioner support 701, a positioner 702 and a position line clamp 703. The positioner support 701 is installed in the middle of the positioning wrist arm 6. The positioner 702 is provided with the position line clamp 703 at one end for clamping the contact wire, and the other end of the positioner 702 is connected with the positioner support 701 and is inclined downward in a direction away from the other end. In order to improve the stability of the positioner 702, the positioning wrist arm 6 is provided with a positioning ring 704 at one end, and the positioning ring 704 is connected with one end of the positioner 702 through a windproof stay 705.
[0046] The other end of the flat wrist arm 1 and the other end of the inclined wrist arm 3 are both connected with one end of a post insulator 8, and the other end of the post insulator 8 is provided with a wrist arm base 9. The wrist arm base 9 includes a base plate 901, and the base plate 901 is provided with an adjusting groove 902, and two groups of mounting screws 903 are installed in the adjusting groove 902. The base plate 901 is also fixedly provided with a mounting lug 904, and the mounting lug 904 is hinged with the other end of the post insulator 8 through a mounting bolt 905.
[0047] Optionally, the one end of the flat wrist arm 1, the one end of the positioning wrist arm 6 and the one end of the inclined wrist arm 3 are all provided with a pipe cap 15.
[0048] With reference to Figure 4The connecting piece 4 comprises two connecting sleeves 10, and the side wall of the connecting sleeve 10 is provided with a fastener 206 penetratingly connected. The outer side wall of the corresponding flat wrist arm 1, the positioning wrist arm 6 and the inclined wrist arm 3 is provided with a connecting hole, and the fastener 206 penetrates the connecting sleeve 10 and is inserted into the connecting hole, so as to realize the connection of the flat wrist arm 1, the positioning wrist arm 6 and the inclined wrist arm 3 respectively. The outer side wall of the connecting sleeve 10 is fixedly connected with a connecting lug 11, and the two connecting sleeves 10 are rotationally connected through a bolt 12 penetrating the two connecting lugs 11.
[0049] With reference to Figure 5 The first wrist arm rod 5 and the second wrist arm rod are both fixedly provided with the connecting sleeve 10 at both ends, and the connecting sleeve 10 is rotationally connected with a connecting hoop 14.
[0050] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0051] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.
Claims
1. An electrified railway catenary positioning device, characterized in that, The utility model relates to a kind of combined positioner, including: Flat wrist arm (1) and positioning wrist arm (6) are arranged in horizontal direction and arranged in up and down interval, oblique wrist arm (3) is arranged below the flat wrist arm (1) and is inclined, the flat wrist arm (1), positioning wrist arm (6) and oblique wrist arm (3) are in the same plane, one end of the flat wrist arm (1) is rotatably connected with one end of the oblique wrist arm (3) by connecting piece (4), the other end of the flat wrist arm (1) is connected with the middle part of oblique wrist arm (3) by first wrist arm rod (5), the middle part of the flat wrist arm (1) is rotatably connected with the other end of the positioning wrist arm (6) by connecting piece (4), and is connected with the middle part of the positioning wrist arm (6) rod by second wrist arm rod, it is enclosed into triangle between the flat wrist arm (1), first wrist arm rod (5) and oblique wrist arm (3), between the oblique wrist arm (3), second wrist arm rod and positioning wrist arm (6); Force cable seat (2) is installed in one end of the flat wrist arm (1); And Combined positioner (7) is installed below the positioning wrist arm (6); The combined positioner (7) includes: Positioning support (701) is installed in the middle part of the positioning wrist arm (6); And Positioner (702), one end of the positioner (702) is provided with positioning wire clamp (703), the other end of the positioner (702) is connected with positioning support (701), and one end of the positioner (702) is inclined downward away from the other end of the positioner (702); One end of the positioning wrist arm (6) is provided with positioning ring (704), and the positioning ring (704) is connected with one end of the positioner (702) by windproof stay (705).
2. An electrified railway catenary positioning device according to claim 1, characterised in that, The force cable seat (2) includes Force sleeve (201) is fixedly sleeved in one end of the flat wrist arm (1); Threaded rod (202) is arranged in vertical direction and is fixedly connected on the upper end of the force sleeve (201); Limiting holder is movably penetrated on the threaded rod (202), and the limiting holder is used for connecting force cable;And Two nuts (205) are threadedly connected on the threaded rod (202) and respectively abut on the upper and lower ends of the limiting holder.
3. An electrified railway catenary positioning device according to claim 2, characterised in that, The limiting holder includes lower holder (204) and upper holder (203) that are movably penetrated on the threaded rod (202), and the lower holder (204) and the upper holder (203) are matched to be used for clamping force cable, the upper nut (205) abuts on the upper surface of the upper holder (203), and the lower nut (205) abuts on the lower surface of the lower holder (204); The side wall of the force sleeve (201) is penetrated with fastener (206), and the force sleeve (201) is fixedly connected with one end of the flat wrist arm (1) by the fastener (206).
4. The electrified railway catenary positioning device according to claim 1, characterized in that, One end of the column insulator (8) is connected with the other end of the flat wrist arm (1) and the other end of the oblique wrist arm (3), and the other end of the column insulator (8) is provided with wrist arm base (9).
5. An electrified railway catenary positioning device according to claim 4, characterised in that, The wrist arm base (9) includes: Bottom plate (901), adjusting groove (902) is arranged on the bottom plate (901); Two groups of mounting screws (903) are installed in the adjusting groove (902); An installation lug (904) is fixedly installed on the bottom plate (901), and the installation lug (904) is hingedly connected to the other end of the post insulator (8) through a mounting bolt (905).
6. The electrified railway catenary positioning device of claim 1, wherein, The connecting piece (4) comprises two connecting sleeves (10), a fastener (206) is connected through the side wall of the connecting sleeve (10), a connecting lug (11) is fixedly connected to the outer side wall of the connecting sleeve (10), and the two connecting sleeves (10) are rotationally connected through a bolt (12) penetrating through the two connecting lugs (11).
7. The electrified railway catenary positioning device of claim 1, wherein, Both ends of the first wrist arm rod (5) and both ends of the second wrist arm rod are fixedly installed with connecting sleeves (10), and the connecting sleeves (10) are rotationally connected with connecting hoops (14).
8. An electrified railway catenary positioning device according to any one of claims 1 to 7, characterised in that, One end of the flat wrist arm (1), one end of the positioning wrist arm (6) and one end of the inclined wrist arm (3) are all installed with pipe caps (15).
Citation Information
Patent Citations
Electrified railway contact net positioning device
CN218367471U