CN220615828U - Track operation platform brake equipment - Google Patents

Abstract

The utility model relates to the technical field of rail braking and discloses a rail operation platform braking device, which comprises a rail operation platform, wherein L-shaped plates are fixedly connected to two sides of the rail operation platform, two sliding holes are formed in the outer surfaces of long plates of the two L-shaped plates, the sliding holes are through holes, sliding columns are connected in the sliding holes in a sliding mode, and after entering grooves in the surfaces of rail wheels through anti-skidding wear plates, a pressing rod is continuously lifted until the rail wheels rotating at high speed are subjected to friction force generated by the approach of the anti-skidding wear plates, so that the rail wheels rotating at high speed gradually stop rotating.

Description

Track operation platform brake equipment

Technical Field

The utility model relates to the technical field of rail braking, in particular to a rail operation platform braking device.

Background

At present, rail vehicles such as trains, mine cars, monorail cranes and the like running on rails mainly adopt a wheel braking mode to decelerate and stop. The wheel braking mode mainly adopts a brake-in mode, namely a brake skin is used for holding the wheel for friction. The braking process is actually carried out in two stages.

Firstly, stopping rotation of wheels in a wheel braking mode; secondly, after the rotation speed of the wheels is reduced and the wheels stop rotating, the wheels can only passively rub with the rails to reduce the speed, and finally complete parking is realized, because the frequent braking place on the rails is always higher in smoothness, the friction coefficient is small, the braking distance requirement is longer, the driving safety is lower, the braking is not timely even in failure due to long-time abrasion of the brake pads, the driving speed of the rail vehicle is limited, and the working efficiency is lower

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the track operation platform braking device which has the advantages of stable braking and the like, and solves the problems that the brake is not timely and even fails due to long-time abrasion of a brake pad.

(II) technical scheme

In order to achieve the purpose of stable braking, the utility model provides the following technical scheme: the rail operation platform braking device comprises a rail operation platform, wherein L-shaped plates are fixedly connected to two sides of the rail operation platform, two sliding holes are formed in the outer surfaces of long plates of the two L-shaped plates, the sliding holes are through holes, and sliding columns are slidably connected in the sliding holes;

wherein, both ends of the sliding columns penetrate through the outer surface of the L-shaped plate, and the upper ends of the two sliding columns are fixedly connected with pressure receiving plates;

the outer surfaces of the two sliding columns are respectively sleeved with a spring, the two springs are respectively positioned between the long plate of the L-shaped plate and the pressure receiving plate, and one ends of the two sliding columns, which are far away from the pressure receiving plate, are fixedly connected with brake pads.

Preferably, one end of the brake block, which is away from the sliding column, is fixedly connected with an anti-slip wear-resisting sheet;

wherein, the short board upper surface fixedly connected with of L shaped plate has two fixed plates, and the rotation hole has all been seted up to the surface of two fixed plates.

Preferably, eccentric wheel shafts are rotatably connected in the corresponding two rotating holes, and eccentric wheels are fixedly sleeved on the outer surfaces of the eccentric wheel shafts;

wherein, the eccentric wheel is laminated with the pressure receiving plate, and a pressing rod is fixedly connected between two eccentric wheel shafts.

Preferably, the lower surface of the lower pressure rod is fixedly connected with two tension spring fixing blocks;

wherein, two L shaped plates are all fixedly connected with extension spring fixed column relative one side, all fixedly connected with extension spring between corresponding extension spring fixed column and the extension spring fixed block.

Preferably, two wheel shafts are fixedly connected to two sides of the track operation platform, and the outer surfaces of the four wheel shafts are rotatably connected with track wheels.

(III) beneficial effects

Compared with the prior art, the utility model provides the track operation platform braking device, which has the following beneficial effects:

1. according to the rail operation platform braking device, the lower pressure rod is lifted manually by an operator, the two tension springs are limited by the tension spring fixing columns and the tension spring fixing blocks to generate stretching deformation, the eccentric shafts at the two ends of the lower pressure rod are driven to rotate clockwise at the same time, the eccentric wheels on the rail operation platform are driven to rotate simultaneously when the two eccentric shafts rotate, downward acting force is applied to the corresponding pressure receiving plates by the eccentric protruding portions on the eccentric wheels when the eccentric wheels rotate, when the pressure receiving plates are subjected to downward acting force, the springs on the two slide columns generate compression deformation, the pressure receiving plates drive the anti-slip wear plates on the brake plates through the two slide columns to move in the direction close to the axle center of the rail wheels until the anti-slip wear plates enter the grooves on the surfaces of the rail wheels, and then the lower pressure rod is continuously lifted until the rail wheels rotating at high speed are subjected to the friction force close to the anti-slip wear plates, so that the rotation is gradually stopped, the anti-slip wear plates which are transmitted timely can be decelerated until the anti-slip wear plates are caused by the fact that the rail operation platform is subjected to the braking accidents caused by the fact that the anti-slip wear caused by the fact that the brake plates are not timely are caused when the rail operation platform is subjected to the transportation of goods.

2. This track operation platform brake equipment, after accomplishing the brake, loosen, through receiving with between elastic force drive two autogirations on it and return to the normal position, relieve two pressure simultaneously, two are automatic will upwards to the lifting to the break away from that can drive on the messenger, thereby release the brake, can make two rail wheels receive the brake simultaneously through the depression bar that sets up, avoided two wheels to receive the asynchronous tipping accident that leads to of brake, improved the security of track platform transportation to a certain extent.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a brake apparatus according to the present utility model;

FIG. 3 is a schematic diagram of the structure A in FIG. 1 according to the present utility model.

In the figure: 1. a track operation platform; 2. a wheel axle; 3. a rail wheel; 4. an L-shaped plate; 5. a slide hole; 6. a spool; 7. a spring; 8. a pressure receiving plate; 9. a fixing plate; 10. a rotation hole; 11. an eccentric wheel shaft; 12. an eccentric wheel; 13. a brake pad; 14. anti-slip wear pad; 15. pressing down a rod; 16. a tension spring fixing block; 17. a tension spring; 18. tension spring fixed column.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-3, the present utility model provides a new technical solution: the utility model provides a track operation platform brake equipment, including track operation platform 1, the equal fixedly connected with L shaped plate 4 in both sides of track operation platform 1, two slide holes 5 have all been seted up to the long board surface of two L shaped plates 4, slide holes 5 are the through-hole, equal sliding connection has slide column 6 in the slide holes 5, the surface of L shaped plate 4 is all run through at the both ends of slide column 6, the upper end fixedly connected with clamp plate 8 of two slide column 6, the surface of two slide column 6 all overlaps and is equipped with spring 7, two springs 7 all are located between the long board of L shaped plate 4 and the clamp plate 8, the one end fixedly connected with brake block 13 that the clamp plate 8 was kept away from to two slide column 6, the one end fixedly connected with anti-skidding wear pad 14 of brake block 13 deviates from slide column 6, the short board upper surface fixedly connected with two fixed plates 9 of L shaped plate 4, the rotation hole 10 has all been seted up to the surface of two fixed plate 9, all be connected with eccentric wheel axle 11 in the two rotation holes 10, the surface fixedly connected with eccentric wheel axle 11, the eccentric wheel 12 is equipped with eccentric wheel 12 in the surface fixedly connected with extension spring, the eccentric wheel 11 is laminated with clamp plate 8, the surface fixedly connected with tension spring 12 and clamp plate 8, the two fixed connection 16 has two fixed connection pieces 16 between the two fixed connection tracks 2 of two fixed connection tracks 2, the two fixed connection pieces 16 are all fixedly connected with the corresponding to two fixed axle 16 between the two fixed axle shafts 16, the fixed connection pieces 2.

Further, when braking is needed, the lower pressure rod 15 is lifted manually by an operator, the two tension springs 17 pull the limitation of the spring fixing column 18 and the tension spring fixing block 16 to generate stretching deformation, the lower pressure rod 15 drives the eccentric wheel shafts 11 at the two ends to simultaneously rotate clockwise, the eccentric wheel shafts 11 drive the eccentric wheels 12 on the track operation platform 1 to simultaneously rotate, the eccentric convex parts on the eccentric wheels 12 apply downward force to the corresponding pressure receiving plates 8 when rotating, when the pressure receiving plates 8 are subjected to downward force, the springs 7 on the two slide columns 6 generate compression deformation, the pressure receiving plates 8 drive the anti-slip wear plates 14 on the brake pads 13 to move in the direction close to the axle center of the track wheels 3 through the two slide columns 6 on the pressure receiving plates, the lower pressure rod 15 is continuously lifted until the anti-slip wear plates 14 enter the grooves on the surfaces of the track wheels 3, until the high-speed rotating rail wheel 3 is subjected to the friction force generated by the approach of the anti-skid wear-resistant plate 14, the rotation is gradually stopped, after the braking is completed, the lower pressing rod 15 is loosened, the lower pressing rod 15 drives the two eccentric wheel shafts 11 on the lower pressing rod 15 to automatically rotate back to the original position through the elastic force between the tension spring 17 and the tension spring fixing column 18 of the tension spring fixing block 16, meanwhile, the pressure of the two springs 7 is relieved, the two springs 7 automatically lift the pressure receiving plate 8 upwards, so that the sliding column 6 on the pressure receiving plate 8 can drive the anti-skid wear-resistant plate 14 on the brake block 13 to separate from the rail wheel 3, the braking is relieved, the running of the structure is arranged, the friction force transmitted by the two high-speed rotating rail wheels 3 can be timely decelerated until the vehicle stops, the efficiency and the braking stability of the rail operation platform during the transportation of objects are improved, and the safety accidents caused by untimely braking due to excessive abrasion of the brake pad are avoided.

Working principle: when braking is needed, the lower compression bar 15 is lifted manually by an operator, the two tension springs 17 pull the limit of the spring fixing column 18 and the tension spring fixing block 16 to generate stretching deformation, the lower compression bar 15 drives the eccentric wheel shafts 11 at the two ends to rotate clockwise at the same time, the eccentric wheels 12 on the track operation platform 1 are driven to rotate at the same time by the rotation of the two eccentric wheel shafts 11, downward acting force is applied to the corresponding pressure receiving plate 8 by the eccentric convex parts on the eccentric wheels 12 when the eccentric wheels 12 rotate, when the pressure receiving plate 8 receives the downward acting force, the springs 7 on the two slide columns 6 generate compression deformation, the pressure receiving plate 8 drives the anti-slip wear plates 14 on the brake pads 13 through the two slide columns 6 on the pressure receiving plate 8 to move in the direction close to the axle center of the track wheel 3 until the anti-slip wear plates 14 enter the grooves on the surface of the track wheel 3, the lower compression bar 15 is continuously lifted until the track wheel 3 rotating at high speed is subjected to the friction force generated by the approach of the anti-slip wear plates 14, the lower compression bar 15 is gradually stopped, when braking is completed, the two springs 7 on the two slide fixing blocks 6 are driven to rotate automatically by the elastic acting force between the tension springs 17 and the tension springs 18, and the two anti-slip wear plates 7 on the brake pads 6 are automatically released, and the two anti-slip wear plates are automatically lifted, and the anti-slip wear plates are automatically released from the slide plates 7.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a track operation platform brake equipment, includes track operation platform (1), its characterized in that: the two sides of the track operation platform (1) are fixedly connected with L-shaped plates (4), two sliding holes (5) are formed in the outer surfaces of the long plates of the two L-shaped plates (4), the sliding holes (5) are through holes, and sliding columns (6) are slidably connected in the sliding holes (5);

wherein, both ends of the sliding columns (6) penetrate through the outer surface of the L-shaped plate (4), and the upper ends of the two sliding columns (6) are fixedly connected with pressure receiving plates (8);

the outer surfaces of the two sliding columns (6) are sleeved with springs (7), the two springs (7) are located between the long plate of the L-shaped plate (4) and the pressure receiving plate (8), and one end, away from the pressure receiving plate (8), of the two sliding columns (6) is fixedly connected with a brake block (13).

2. The track work platform brake device of claim 1, wherein: one end of the brake block (13) deviating from the sliding column (6) is fixedly connected with an anti-skid wear-resistant sheet (14);

wherein, the short plate upper surface fixedly connected with two fixed plates (9) of L shaped plate (4), rotation hole (10) have all been seted up to the surface of two fixed plates (9).

3. A track work platform brake device as claimed in claim 2, wherein: an eccentric wheel shaft (11) is rotatably connected in the two corresponding rotating holes (10), and an eccentric wheel (12) is fixedly sleeved on the outer surface of the eccentric wheel shaft (11);

wherein, eccentric wheel (12) are laminated mutually with receiving board (8), fixedly connected with depression bar (15) between two eccentric wheel axles (11).

4. A track work platform brake device according to claim 3, wherein: the lower surface of the lower pressure rod (15) is fixedly connected with two tension spring fixing blocks (16);

wherein, two L shaped plate (4) opposite one side all fixedly connected with extension spring fixed column (18), all fixedly connected with extension spring (17) between corresponding extension spring fixed column (18) and extension spring fixed block (16).

5. The track work platform brake device of claim 1, wherein: two sides of the track operation platform (1) are fixedly connected with two wheel shafts (2), and the outer surfaces of the four wheel shafts (2) are rotatably connected with track wheels (3).