CN212685555U

CN212685555U - High-efficiency high-speed heavy-load train brake

Info

Publication number: CN212685555U
Application number: CN202021698244.9U
Authority: CN
Inventors: 陈定栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-03-12
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a train braking technical field just discloses a high-speed heavy load train brake of efficient, including rotating the mandrel, the outside fixedly connected with quantity of rotating the mandrel is two wheels, the outside fixedly connected with quantity of rotating the mandrel is two and is located two brake disc between the wheel, the outside of rotating the mandrel all with be located two the bogie in the wheel outside rotates and connects, the right-hand member fixedly connected with of bogie is located two U-shaped connecting block between the wheel. The efficient high-speed heavy-load train brake has the advantages of high braking efficiency, long service life and the like, and solves the problems that most of the conventional train brake devices brake the wheel through the brake shoe or brake the brake disc outside the wheel axle through the brake shoe, the brake structure is single, the loss of the wheel or the brake disc is large due to concentrated stress, and when the single brake structure breaks down, the single brake structure lacks insurance measures and has certain potential safety hazards.

Description

High-efficiency high-speed heavy-load train brake

Technical Field

The utility model relates to a train braking technical field specifically is a high-speed heavy load train brake of efficient.

Background

Train braking is the artificial stopping of the train, including slowing it down, not accelerating or stopping it, releasing or weakening the braking action of the braked train or locomotive, called relieving, a whole set of equipment installed on the train for applying and relieving, generally called train braking device, braking and braking device is commonly called brake, the application of braking is often called upper brake or lower brake for short, and the application of relieving is called releasing brake for short.

At present, train braking mainly adopts a mode of combining dynamic braking and friction braking to brake a train, when the train runs at a high speed, the dynamic braking power is high and no abrasion is caused, and in order to remedy the deficiency of the reduction of the dynamic braking force in a low-speed range and ensure the safety of the train in a stop state, friction braking must be added.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high-speed heavy load train brake of efficient possesses advantages such as braking efficiency height and long service life, has solved most of current train arresting gear and has braked to the wheel braking or to the outside brake disc of wheel axle by the brake block for the brake shoe, and the braking structure is comparatively single, because the atress is concentrated, great to wheel or brake disc loss, when single braking structure breaks down, lacks the safeguard measure, has the problem of certain potential safety hazard.

(II) technical scheme

For the purpose that realizes above-mentioned braking efficiency height and long service life, the utility model provides a following technical scheme: an efficient high-speed heavy-duty train brake comprises a rotating mandrel, wherein the number of wheels fixedly connected to the outside of the rotating mandrel is two, the number of brake discs fixedly connected to the outside of the rotating mandrel is two, the brake discs are positioned between the two wheels, the outside of the rotating mandrel is rotatably connected with a bogie positioned on the outer side of the two wheels, a U-shaped connecting block positioned between the two wheels is fixedly connected to the right end of the bogie, brake cylinders with the number of two are fixedly connected to the inner side and the outer side of the U-shaped connecting block, pistons are slidably connected to the insides of four brake cylinders, limiting rings positioned on the sides, close to the U-shaped connecting block, of the pistons are fixedly connected to the side walls of the inner cavities of the four brake cylinders, air inlet pipes and exhaust pipes are fixedly connected to the inner cavities of the four brake cylinders and positioned on the sides, close, one ends of the four pistons, which are far away from the U-shaped connecting block, are fixedly connected with brake levers extending to the outside of the brake cylinder, the outside of the four brake levers is respectively and slidably connected with a reset spring positioned in the brake cylinder, one ends of the two brake levers, which are far away from the pistons, positioned outside the U-shaped connecting block are respectively and fixedly connected with a first brake pad, one ends of the two brake cylinders, which are far away from the U-shaped connecting block, positioned inside the U-shaped connecting block are respectively and fixedly connected with two connecting plates, two rotating shafts are fixedly connected between the two connecting plates positioned on the right side of the same brake cylinder, the outside of the four rotating shafts are respectively and rotatably connected with first connecting rods, the left ends of the four first connecting rods are respectively and rotatably connected with second connecting rods, and the left ends of the, the right ends of the four first connecting rods are rotatably connected with second brake pads which are respectively positioned on the upper side and the lower side of the two brake discs.

Preferably, the two wheels and the brake disc are distributed in a paired mode, the two bearings are fixedly connected to the outer portion of the rotating mandrel, and the outer portions of the two bearings are fixedly connected with the bogie.

Preferably, the two brake cylinders positioned on the outer side of the U-shaped connecting block are symmetrically distributed, the two brake cylinders positioned on the inner side of the U-shaped connecting block are symmetrically distributed in parallel, and the brake cylinders positioned on the outer side of the U-shaped connecting block and the brake cylinders positioned on the inner side of the U-shaped connecting block are vertically distributed.

Preferably, the air inlet pipe and the exhaust pipe are symmetrically distributed, and electromagnetic valves are arranged outside the air inlet pipe and the exhaust pipe.

Preferably, the connecting plate is in a shape of Chinese character 'ao', two ends, far away from the piston, of the brake rods are located on the inner side of the U-shaped connecting block and are fixedly connected with first connecting blocks, mounting grooves are formed in the right ends of the first connecting blocks, and fixing shafts of the second connecting rods, which are located on the right side of the same brake cylinder, penetrate through the mounting grooves.

Preferably, the two second brake pads positioned on the upper side and the lower side of the same brake disc are symmetrically distributed.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-speed heavy load train brake of efficient possesses following beneficial effect:

the efficient high-speed heavy-load train brake is characterized in that when a train needs to be braked, a brake controller controls an electromagnetic valve to be communicated with an air inlet pipe, an exhaust pipe is closed, high-pressure gas enters a brake cylinder through the air inlet pipe to push a piston, two brake rods positioned on the outer side of a U-shaped connecting block push a first brake pad to extrude two wheels, the wheels are braked through friction force, the two brake rods positioned on the inner side of the U-shaped connecting block move rightwards, the first connecting rod rotates around a rotating shaft through a second connecting rod to drive the second brake pad to extrude the brake disc, the brake disc is braked through the friction force, so that the wheels are braked through rotating a spindle, when the brake needs to be relieved, the brake controller controls the electromagnetic valve to be communicated with the exhaust pipe to close the air inlet pipe, the high-pressure gas flows out of the brake cylinder, the, the brake state is relieved, through the above arrangement, when the train needs to brake, the wheel and the brake disc can be simultaneously braked, the brake efficiency is improved, under the condition of the same brake effect, the brake force of friction brake is separated, the loss of friction to the wheel, the brake disc and the brake pad is reduced, the service life is prolonged, when a certain brake mechanism of the wheel or the brake disc breaks down, another brake mechanism can maintain the brake work, the safety of the brake is improved, and the brake has the advantages of high brake efficiency and long service life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: the brake comprises a rotating mandrel 1, wheels 2, brake discs 3, a bogie 4, a U-shaped connecting block 5, a brake cylinder 6, a piston 7, a limiting ring 8, an air inlet pipe 9, an air outlet pipe 10, a brake lever 11, a return spring 12, a first brake pad 13, a connecting plate 14, a rotating shaft 15, a first connecting rod 16, a second connecting rod 17 and a second brake pad 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-efficiency high-speed heavy-duty train brake includes a rotating spindle 1, two wheels 2 are fixedly connected to the outside of the rotating spindle 1, two brake discs 3 are fixedly connected to the outside of the rotating spindle 1 and located between the two wheels 2, the outside of the rotating spindle 1 is rotatably connected to a bogie 4 located outside the two wheels 2, the two wheels 2 and the brake discs 3 are distributed in pairs, two bearings are fixedly connected to the outside of the rotating spindle 1, the outside of the two bearings are fixedly connected to the bogie 4, a U-shaped connecting block 5 located between the two wheels 2 is fixedly connected to the right end of the bogie 4, two brake cylinders 6 are fixedly connected to the inside and outside of the U-shaped connecting block 5, and the two brake cylinders 6 located outside the U-shaped connecting block 5 are symmetrically distributed, the two brake cylinders 6 positioned on the inner side of the U-shaped connecting block 5 are symmetrically distributed in parallel, the brake cylinders 6 positioned on the outer side of the U-shaped connecting block 5 and the brake cylinders 6 positioned on the inner side of the U-shaped connecting block 5 are vertically distributed, pistons 7 are respectively and slidably connected inside the four brake cylinders 6, the side walls of the inner cavities of the four brake cylinders 6 are respectively and fixedly connected with a spacing ring 8 positioned on one side, close to the U-shaped connecting block 5, of the pistons 7, the outer parts of the four brake cylinders 6 are respectively and fixedly connected with an air inlet pipe 9 and an air outlet pipe 10 which are communicated with the inner cavity of the brake cylinder 6 and positioned on one side, close to the U-shaped connecting block 5, of the spacing ring 8, the air inlet pipe 9 and the air outlet pipe 10 are symmetrically distributed, electromagnetic valves are respectively arranged on the outer parts of the air inlet pipe 9 and the air, the ends, far away from the piston 7, of the two brake levers 11 positioned outside the U-shaped connecting block 5 are fixedly connected with first brake pads 13, the ends, far away from the U-shaped connecting block 5, of the two brake cylinders 6 positioned inside the U-shaped connecting block 5 are fixedly connected with two connecting plates 14, two rotating shafts 15 are fixedly connected between the two connecting plates 14 positioned on the right side of the same brake cylinder 6, the outer parts of the four rotating shafts 15 are rotatably connected with first connecting rods 16, the left ends of the four first connecting rods 16 are rotatably connected with second connecting rods 17, the connecting plates 14 are in a concave shape, the ends, far away from the piston 7, of the two brake levers 11 positioned inside the U-shaped connecting block 5 are fixedly connected with first connecting blocks, the right ends of the two first connecting blocks are respectively provided with a mounting groove, and a fixing shaft penetrating through the two second connecting rods 17 positioned, the left ends of two second connecting rods 17 positioned on the right side of the same brake cylinder 6 are rotatably connected with the brake rod 11, the right ends of the four first connecting rods 16 are rotatably connected with second brake pads 18 respectively positioned on the upper side and the lower side of the two brake discs 3, and the two second brake pads 18 positioned on the upper side and the lower side of the same brake disc 3 are symmetrically distributed.

In summary, in the high-efficiency high-speed heavy-load train brake, when a train needs to be braked, a brake controller controls an electromagnetic valve to connect an air inlet pipe 9, an air outlet pipe 10 is closed, high-pressure air enters a brake cylinder 6 through the air inlet pipe 9, a piston 7 is pushed, two brake levers 11 positioned on the inner side of a U-shaped connecting block 5 push a first brake pad 13 to press two wheels 2, the wheels 2 are braked through friction force, the two brake levers 11 positioned on the inner side of the U-shaped connecting block 5 move rightwards, a first connecting rod 16 rotates around a rotating shaft 15 through a second connecting rod 17, a second brake pad 18 is driven to press the brake disc 3, the brake disc 3 is braked through friction force, so that the wheels 2 are braked through rotating a mandrel 1, when the brake needs to be released, the brake controller controls the electromagnetic valve to connect the air outlet pipe 10, the piston 7 drives the brake lever 11 to move under the elasticity of the return spring 12, thereby enabling the first brake pad 13 and the second brake pad 18 to retreat and releasing the braking state, through the arrangement, when a train needs to brake, the wheel 2 and the brake disc 3 can be simultaneously braked, the braking efficiency is improved, under the condition of the same braking effect, the braking force of friction braking is separated, the loss of friction to the wheel 2, the brake disc 3 and the brake pads is reduced, the service life is prolonged, when a certain braking mechanism of the wheel 2 or the brake disc 3 breaks down, the other braking mechanism can maintain the braking operation, the safety of the braking machine is improved, the braking device has the advantages of high braking efficiency, long service life and the like, the problem that most of the existing train braking devices are brake shoes to wheels or brake discs outside a wheel shaft by the brake pads is solved, the braking structure is single, the loss of the counter wheel or the brake disc is large due to the concentrated stress, so that when a single braking structure breaks down, safety measures are lacked, and certain potential safety hazards exist.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. An efficient high-speed heavy-load train brake, comprising a rotating spindle (1), characterized in that: the brake device is characterized in that the number of wheels (2) is two, the number of external fixedly connected wheels is two, the brake discs (3) are positioned between the two wheels (2), the external part of the rotating mandrel (1) is rotatably connected with bogies (4) positioned at the outer sides of the two wheels (2), the right end of each bogie (4) is fixedly connected with a U-shaped connecting block (5) positioned between the two wheels (2), the inner side and the outer side of each U-shaped connecting block (5) are fixedly connected with brake cylinders (6) with the number of two, the interiors of the four brake cylinders (6) are respectively and slidably connected with pistons (7), and the side walls of the inner cavities of the four brake cylinders (6) are respectively and fixedly connected with limiting rings (8) positioned at one sides, close to the U-shaped connecting blocks (5), of the pistons (7), four the equal fixedly connected with in outside of brake cylinder (6) intercommunication brake cylinder (6) inner chamber just is located spacing collar (8) and is close to intake pipe (9) and blast pipe (10) and exhaust pipe (10) of U-shaped connecting block (5) one side, four the equal fixedly connected with in one end that U-shaped connecting block (5) were kept away from in piston (7) extends to brake lever (11) outside of brake cylinder (6), four the equal sliding connection in outside of brake lever (11) has reset spring (12) that is located brake cylinder (6) inside, is located two in the U-shaped connecting block (5) outside the equal fixedly connected with of one end that piston (7) were kept away from in brake lever (11) first brake block (13), be located two of U-shaped connecting block (5) inboard the equal fixedly connected with quantity in one end that U-shaped connecting block (5) were kept away from in brake cylinder (6) is connecting plate (14) of two, is located same two on right Two pivot (15), four the outside of pivot (15) is all rotated and is connected with head rod (16), four the left end of head rod (16) is all rotated and is connected with second connecting rod (17), is located same two on brake jar (6) right side the left end of second connecting rod (17) all rotates with brake lever (11) to be connected, four the right-hand member of head rod (16) is all rotated and is connected with and is located two respectively second brake block (18) of downside on brake disc (3).

2. The high efficiency high speed heavy haul train brake of claim 1, wherein: two wheel (2) and brake disc (3) all are to being the distribution, the outside fixedly connected with quantity of rotating mandrel (1) is two the bearing, two the outside of bearing all with bogie (4) fixed connection.

3. The high efficiency high speed heavy haul train brake of claim 1, wherein: the brake cylinders (6) located on the outer side of the U-shaped connecting block (5) are symmetrically distributed, the brake cylinders (6) located on the inner side of the U-shaped connecting block (5) are symmetrically distributed in parallel, and the brake cylinders (6) located on the outer side of the U-shaped connecting block (5) and the brake cylinders (6) located on the inner side of the U-shaped connecting block (5) are vertically distributed.

4. The high efficiency high speed heavy haul train brake of claim 1, wherein: the air inlet pipe (9) and the exhaust pipe (10) are symmetrically distributed, and electromagnetic valves are arranged outside the air inlet pipe (9) and the exhaust pipe (10).

5. The high efficiency high speed heavy haul train brake of claim 1, wherein: connecting plate (14) are the character cut in bas-relief, are located two of U-shaped connecting block (5) inboard the equal fixedly connected with first connecting block of one end that piston (7) were kept away from in brake lever (11), two the mounting groove has all been seted up to the right-hand member of first connecting block, fixedly connected with runs through two that are located same brake jar (6) right side in the mounting groove the fixed axle of second connecting rod (17).

6. The high efficiency high speed heavy haul train brake of claim 1, wherein: the two second brake pads (18) positioned on the upper side and the lower side of the same brake disc (3) are symmetrically distributed.