Pillar accessory for rail transit

Abstract

The utility model discloses a pillar accessory for rail transit, which comprises a pillar body, a first fixed pulley is fixedly mounted at the top of the pillar body, a steel rope is sleeved on the first fixed pulley, a weight rod is fixedly connected to the bottom end of the steel rope, a plurality of weights are arranged on the weight rod, and the weight rod is fixedly connected with a plurality of steel ropes. A driving mechanism is arranged between the weight rod and the fixed pulley; in the actual use process of the device, when the lump rod descends or ascends, the driving mechanism can correspondingly drive the first fixed pulley to rotate in time, so that the first fixed pulley can respond to the movement of the steel cable at the first time, the relative friction between the steel cable and the first fixed pulley is reduced, and the service life of the first fixed pulley is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit technical field especially relates to a rail transit is with pillar accessory. BACKGROUND

[0002] Rail transit pillar is the key structure of supporting catenary or power supply system, and is mainly divided into two categories of steel column and concrete column. The steel column is light and high in strength, and is suitable for various terrains. The concrete column is strong in durability and low in maintenance cost, and is commonly used in standard lines, and is widely applied to railways, subways and light rail systems to ensure stable power supply and safe operation of trains.

[0003] The weight compensation device is an important accessory of the rail transit pillar, and is used for automatically adjusting the tension of the contact wire or the load-bearing cable, compensating the cable expansion caused by temperature change, and mainly composed of a weight block, a pulley set, a steel wire rope and a fixing frame. The weight compensation device keeps the catenary stable through gravity balance tension, avoids cable relaxation or breakage caused by thermal expansion and cold contraction, and ensures stable current collection and safe operation of the train pantograph.

[0004] The weight compensation device in the existing rail transit pillar accessory is mainly made of aluminum, and the compensation rope is a high-strength steel wire. Long-term friction between the two will cause the edge of the pulley groove to wear and thin, and even have a gap. In severe cases, it will cause the compensation rope to slip out of the groove or the weight to be stuck, affecting the constant tension. In the actual operation process, the traditional fixed pulley is heavy, and the inertia moment of the fixed pulley needs to be overcome when the steel cable contracts. The dynamic response is delayed, and the delayed response of the fixed pulley will increase the friction between the fixed pulley and the compensation rope, reducing the service life of the fixed pulley. UTILITY MODEL CONTENTS

[0005] The purpose of the present application is to provide a rail transit pillar accessory to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rail transit pillar accessory, comprising a pillar body, a first fixed pulley is fixedly installed at the top of the pillar body, a steel cable is sleeved on the first fixed pulley, a weight rod is fixedly connected to the bottom end of the steel cable, a plurality of weights are arranged on the weight rod, and a driving mechanism is arranged between the weight rod and the fixed pulley.

[0007] Further description of the above technical scheme: a second fixed pulley is arranged on one side of the bottom of the first fixed pulley, two support frames are fixedly installed at the top of the pillar body, the first fixed pulley and the second fixed pulley are rotatably installed on the two support frames respectively, and the steel cable is arranged between the first fixed pulley and the second fixed pulley.

[0008] Further as a further description of the above technical solutions: two sides of the first fixed pulley are fixedly provided with gears, the bottom of the two gears is slidingly provided with a rack, and the rack is engaged with the gears.

[0009] Further as a further description of the above technical solutions: the driving mechanism comprises two driving plates, the two driving plates are fixedly installed at the bottom of the two racks respectively, support blocks are fixedly installed on the bottom of the two side walls of the support body, the two driving plates are slidingly connected with the two support blocks respectively, driving rods are fixedly installed at the bottom of the two sides of the plummet rod, driving grooves are formed in the driving plates, and one end of the two driving rods is slidingly matched with the two driving grooves respectively.

[0010] Further as a further description of the above technical solutions: the support body is fixedly provided with a sliding rail on the side wall, and the plummet rod is fixedly provided with a sliding block at the bottom, and the sliding block is slidingly installed in the sliding rail.

[0011] Further as a further description of the above technical solutions: the plummet rod is rotatably installed with a baffle at the bottom.

[0012] The utility model provides a kind of pillar fittings for rail transit.It has the following beneficial effects: in the process of actual use of the device, when plummet rod drops or rises, driving mechanism will correspondingly drive first fixed pulley to rotate in time, so that first fixed pulley can respond to the movement of steel cable in first time, reduce the relative friction between steel cable and first fixed pulley, prolong the service life of first fixed pulley.

[0013] It should be understood that the foregoing general description and the following detailed description are merely exemplary and explanatory, rather than intended to limit the present disclosure.

[0014] The present application provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the pillar fittings for rail transit proposed by the utility model;

[0016] Figure 2 It is the three-dimensional structure schematic diagram of plummet and driving mechanism of the utility model;

[0017] Figure 3 It is the front view structure schematic diagram of the utility model;

[0018] Figure 4 It is the three-dimensional structure schematic diagram of plummet rod of the utility model;

[0019] Figure 5 It is the utility modelFigure 1 Enlarged structural schematic view at A.

[0020] Legend:

[0021] 1, support body; 2, first fixed pulley; 3, cable; 4, plummet rod; 5, plummet; 6, second fixed pulley; 7, support frame; 8, gear; 9, rack; 10, drive plate; 11, support block; 12, drive rod; 13, drive groove; 14, slide rail; 15, sliding block; 16, baffle. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figures 1-5 A kind of support accessory for rail transit, including support body 1, first fixed pulley 2 is fixedly installed at the top of support body 1, cable 3 is sleeved on first fixed pulley 2, the bottom end of cable 3 is fixedly connected with plummet rod 4, a plurality of plummet 5 are arranged on plummet rod 4, drive mechanism is arranged between plummet rod 4 and fixed pulley;In the actual use process of the device, when plummet rod 4 descends or rises, drive mechanism will correspondingly drive first fixed pulley 2 to rotate in time, so that first fixed pulley 2 can respond to the movement of cable 3 in first time, reduce the relative friction between cable 3 and first fixed pulley 2, prolong the service life of first fixed pulley 2.

[0024] As a preferred technical solution of the embodiment, the bottom side of first fixed pulley 2 is provided with second fixed pulley 6, two support frames 7 are fixedly installed at the top of support body 1, first fixed pulley 2 and second fixed pulley 6 are rotatably installed on two support frames 7 respectively, and cable 3 is arranged between first fixed pulley 2 and second fixed pulley 6;By arranging cable 3 between first fixed pulley 2 and second fixed pulley 6, cable 3 is limited, and the stability of cable 3 is increased.

[0025] As a preferred technical solution of the embodiment, gear 8 is fixedly installed on both sides of first fixed pulley 2, rack 9 is slidably arranged at the bottom of two gears 8, and rack 9 is engaged with gear 8;When plummet rod 4 drives plummet 5 to descend, drive mechanism drives rack 9 to move, and first fixed pulley 2 is driven to rotate by driving gear 8 to rotate.

[0026] As the preferred technical scheme of the embodiment, the driving mechanism comprises two driving plates 10, the two driving plates 10 are fixedly installed at the bottom of the two racks 9 respectively, support blocks 11 are fixedly installed on the bottom side walls of the support body 1, the two driving plates 10 are slidably connected with the two support blocks 11 respectively, driving rods 12 are fixedly installed at the bottom of the two sides of the falling block rod 4, driving grooves 13 are formed in the driving plates 10, and one end of the two driving rods 12 is slidably connected with the two driving grooves 13 respectively; during the falling of the falling block rod 4, the driving rods 12 only move in the vertical direction, the two driving grooves 13 are obliquely arranged, and when the driving rods 12 move, the driving plates 10 are driven to move in the horizontal direction, so that the driving plates 10 move horizontally and drive the racks 9 to move.

[0027] As the preferred technical scheme of the embodiment, the support body 1 is provided with a sliding rail 14 fixedly installed on the side wall, the falling block rod 4 is provided with a sliding block 15 fixedly installed at the bottom, and the sliding block 15 is slidably installed in the sliding rail 14; the movement track of the falling block rod 4 is limited by the cooperation of the sliding block 15 and the sliding rail 14, and the stability of the falling block rod 4 is improved.

[0028] As the preferred technical scheme of the embodiment, the bottom of the falling block rod 4 is rotatably provided with a baffle 16; after the falling block 5 is placed on the falling block rod 4, the baffle 16 is rotated to be located at the back of the gap of the falling block 5, the falling block 5 is limited by the baffle 16, and the falling block 5 is prevented from falling off the falling block rod 4.

[0029] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A rail transit support fitting comprising a support body (1), characterized in that: The first fixed pulley (2) is provided on the top of the support body (1), a steel cable (3) is sleeved on the first fixed pulley (2), the bottom end of the steel cable (3) is fixedly connected with a plummet rod (4), a plurality of plummet (5) are arranged on the plummet rod (4), and a driving mechanism is arranged between the plummet rod (4) and the fixed pulley.

2. The post fitting for rail transit according to claim 1, characterized in that, The bottom side of the first fixed pulley (2) is provided with a second fixed pulley (6), the top of the support body (1) is fixedly provided with two support frames (7), the first fixed pulley (2) and the second fixed pulley (6) are rotatably arranged on the two support frames (7) respectively, and the steel cable (3) is arranged between the first fixed pulley (2) and the second fixed pulley (6).

3. The column fitting for rail transportation according to claim 2, wherein The two sides of the first fixed pulley (2) are fixedly provided with gears (8), the bottom of the two gears (8) is slidably provided with a rack (9), and the rack (9) is engaged with the gears (8).

4. The column fitting for rail transportation according to claim 3, wherein The driving mechanism comprises two driving plates (10), the two driving plates (10) are fixedly arranged at the bottom of the two racks (9) respectively, the support blocks (11) are fixedly arranged on the two side walls of the bottom of the support body (1), the two driving plates (10) are slidably connected with the two support blocks (11) respectively, the driving rods (12) are fixedly arranged on the two sides of the bottom of the plummet rod (4), the driving grooves (13) are formed in the driving plates (10), and one end of the two driving rods (12) is slidably connected with the two driving grooves (13) respectively.

5. The column fitting for rail transportation according to claim 4, wherein The slide rails (14) are fixedly arranged on the side walls of the support body (1), the slide blocks (15) are fixedly arranged on the bottom of the plummet rod (4), and the slide blocks (15) are slidably arranged in the slide rails (14).

6. The column fitting for rail transportation according to claim 4, wherein The bottom of the plummet rod (4) is rotatably provided with a baffle (16).

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