CN210391164U

CN210391164U - Brake wheel and flat car provided with same

Info

Publication number: CN210391164U
Application number: CN201921140897.2U
Authority: CN
Inventors: 韩璟; 仲记平; 陈辉; 杨丰华; 崔乃丹
Original assignee: Shaanxi Railway Institute
Current assignee: Shaanxi Railway Institute
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-24
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a braking wheel, which comprises a wheel frame. The wheel frame comprises a plate a and a plate b arranged in parallel with each other. A shaft a is installed vertically between the plates a and the plate b. The single edge side of the wheel is close to the plate a, the gear a is also installed on the shaft a, the gear a is fixed on the single edge side of the single edge wheel, and a braking device is also installed between the plate a and the plate b, and the braking device passes through the gear. a brake the single edge wheel, one end of the braking device extends out of the plate b and the extension end is connected with a control mechanism. Also disclosed is a flatbed vehicle equipped with brake wheels. The brake wheel drives the shaft b through the joystick to control the mutual engagement and separation of the gear a and the gear b, thereby braking and releasing the flatbed.

Description

Brake wheel and flat car provided with same

Technical Field

The utility model belongs to the technical field of the track construction, concretely relates to brake wheel still relates to a flatbed of installing the brake wheel.

Background

The braking device is very common in transportation and transportation tools, the braking device enables the transportation and transportation tools to be changed from a motion state to a static state, the general braking device utilizes the principle of friction braking, the friction device is arranged on the wheel for braking, and in the braking process, a large amount of heat is generated by friction, so that the maintenance of the braking part is not facilitated, and the service life of the braking part is shortened; the general brake device is hydraulically braked, and when a transport or a vehicle stops, the hydraulic brake device is always kept in the state for preventing the vehicle from sliding, and the hydraulic brake device has a weak effect due to the overlong duration.

In the process of track construction, some transport tools need to be braked, such as a flat car, the flat car is braked by two anti-slip iron shoes and a hemp rope tied on a track, because the anti-slip iron shoes and the brake wheels are not integrated, but are two independent devices, the stability in matching is not high, once the anti-slip is not in place, the phenomenon that the small flat car on the ramp is out of control easily occurs, and safety accidents are caused; and the iron shoes and the hemp ropes are easy to lose, which increases unsafe factors for field use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a braking wheel has realized the purpose that utilizes the mechanical system braking of gear teeth of a cogwheel each other card.

The second purpose of the utility model is to provide an install flatbed of braked wheel has solved the flatbed and has utilized the unstable problem of swift current skate braking.

The utility model discloses a first technical scheme is, a brake wheel, including the wheel carrier, the wheel carrier is including mutual parallel arrangement's board an and board b, perpendicular installation axle a between board a and the board b, and the epaxial single wheel of following of installing is installed to the epaxial a, and the single side of following the wheel is close to board a, still installs gear an on the axle a, and gear an rigid coupling is single along the side along the wheel singly, still installs arresting gear between board an and the board b, and arresting gear passes through gear an and brakes single wheel, and arresting gear one end is stretched out board b and is stretched out the end and be connected with operating mechanism.

The first technical proposal of the utility model is also characterized in that,

the wheel carriage also includes a plate c connecting the plate a and the plate b.

The braking device comprises a gear a installed on a shaft a, the gear a is fixedly connected to the single edge side of the single edge wheel, the single edge side of the single edge wheel is close to the plate a, the braking device further comprises a shaft b, one end of the shaft b is vertically inserted into the plate a, the other end of the shaft b is inserted into the plate b and extends out of the plate b, the shaft b is fixedly connected with a gear b, a spring is further sleeved on the shaft b and is located between the gear b and the plate b, and an operating mechanism is inserted into one end of the shaft b, which extends out of the plate b.

The outer plate surface of the plate b is provided with an arc-shaped through hole, a through hole and a blind hole, the arc-shaped through hole, the through hole and the blind hole take the insertion point of the shaft b into the operating lever as the circle center, the through hole and the blind hole are on the same arc, the arc-shaped through hole is positioned below the shaft b, and the through hole and the blind hole are positioned above the shaft b; the operating mechanism comprises an operating lever, a lever body of the operating lever is connected with one end, extending out of a plate b, of a shaft b, a lever a is vertically inserted into one end of the lever body of the operating lever, the tail end of the lever a is inserted into an arc-shaped through hole, a stop block is fixedly connected onto the lever body of the lever a and is in contact with the outer plate surface of the plate b, a lever b is also vertically inserted into the lever body of the operating lever, and the lever b is.

The shaft b is in clearance fit with the operating rod.

The central angle corresponding to the circular arcs of the through hole and the blind hole is 20-30 degrees.

The utility model discloses a second technical scheme is, a flatbed with braked wheel is installed, including the frame, the front-mounted of frame lower surface has two driving wheels, and two first technical scheme's braked wheel is installed at the rear portion of frame lower surface, and the frame outside is arranged in order to make things convenient for constructor pulling control rod to the control rod of braked wheel.

The utility model has the advantages that the brake wheel brakes by a mechanical braking mode of mutual clamping of gears, thereby avoiding the generation of a large amount of heat by friction when using a friction braking principle, calculating a brake part and shortening the practicability of the brake part; the mechanical braking mode is changed to avoid poor braking effect caused by looseness of the hydraulic braking mode in a long-time position braking state.

The utility model relates to an install braked wheel flatbed's beneficial effect is that, the wheel of flatbed has increased arresting gear and has become the wheel that has the braking action, installs on the flatbed, and the arresting gear who has avoided traditional flatbed adopts prevents swift current skate and the not good problem of rope made of hemp braking effect, has still avoided the flatbed to lose control easily, brake performance is poor, use unsafe problem, has compensated simultaneously and has prevented the defect that swift current skate and rope made of hemp lost easily. The braking effect is improved on the whole, and the safety performance of the flat car in the use process is improved to a great extent.

Drawings

Fig. 1 is a schematic structural view of a brake wheel according to the present invention in a non-braking state;

FIG. 2 is a view of the brake wheel of the present invention taken from the direction A of FIG. 1;

fig. 3 is a schematic view of the flat car with brake wheels according to the present invention.

In the figure, 1, a wheel carrier, 1-1, a plate a, 1-2, a plate b, 1-3, a plate c, 2, an axis a, 3, a single edge wheel, 4, a braking device, 4-1, an axis b, 4-2, a gear b, 4-3, a spring, 5, an operating mechanism, 5-1, a stop block, 5-2, a rod a, 5-3, a rod b, 5-4, an operating rod, 6, an arc through hole, 7, a through hole, 8, a blind hole, 9, a braking wheel, 10, a frame, 11, a driving wheel and 12, a gear a are arranged.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The first technical solution of the present invention is that, a brake wheel, as shown in fig. 1 and 2, includes a wheel frame 1, the wheel frame 1 includes a plate a1-1 and a plate b1-2 that are parallel to each other, the wheel frame 1 further includes a plate c1-3, the plate c1-3 connects the plate a1-1 and the plate b1-2, so that the plate a1-1 and the plate b1-2 become a whole and are more stable, a shaft a2 is vertically installed between the plate a1-1 and the plate b1-2, a single edge wheel 3 is installed on the shaft a2, the single edge side of the single edge wheel 3 is close to the plate a1-1, a gear a12 is also installed on the shaft a2, the gear a12 is fixedly connected to the single edge side of the single edge wheel 3, the material of the single edge wheel 3 is a round steel Q235, a brake device 4 is also installed between the plate a1-1 and the plate b1-2, one end of the brake device 364 brakes the single edge wheel 3 through the gear a12, the brake 4 extends out of the plate b1-2 and the extending end is connected with an operating mechanism 5.

As shown in figures 1 and 2, the braking device 4 comprises a shaft b4-1, one end of the shaft b4-1 is vertically inserted into a plate a1-1, the other end of the shaft b4-1 is inserted into a plate b1-2 and extends from a plate b1-2, the shaft b4-1 can move along the axial direction of the shaft b, a shaft b4-1 extends from a plate b1-2 to be connected with the operating mechanism 5, a gear b4-2 is fixedly connected to the shaft b4-1 and is in a non-braking state, the distance from the gear b4-2 to a plate a1-1 is smaller than that from the gear a12 to a1-1, a spring 4-3 is further sleeved on the shaft b4-1, the spring 4-3 is positioned between the gear b4-2 and the plate b1-2, and the teeth of the gear b4-2 can clamp the teeth of the gear a12 when the shaft b4-1 moves towards the plate b1-2 along the axial direction, the extended end of the shaft b4-1 is inserted with an operating mechanism 5.

As shown in fig. 1 and 2, an arc-shaped through hole 6, a through hole 7 and a blind hole 8 are formed in the outer plate surface of a plate b1-2, the arc-shaped through hole 6, the through hole 7 and the blind hole 8 take the insertion point of a shaft b4-1 inserted into an operating lever 5-4 as the circle center, the through hole 7 and the blind hole 8 are on the same arc, the arc-shaped through hole 6 is positioned below the shaft b4-1, and the through hole 7 and the blind hole 8 are positioned above the shaft b 4-1; the operating mechanism 5 comprises an operating rod 5-4, the rod body of the operating rod 5-4 is connected with one end, extending out of a plate b1-2, of a shaft b4-1, the outer diameter of the shaft b4-1 is in clearance fit with the inner diameter of a hole at the inserting point of the operating rod 5-4, the clearance of the clearance fit is 0.2-0.3 mm, the shaft b4-1 and the operating rod 5-4 cannot rotate relatively in the circumferential direction and can move in a small range in the axial direction to meet the action of lifting the operating rod 5-4 in the axial direction, the function can be met by additionally arranging an axial key groove, a rod a5-2 is vertically inserted into one end of the operating rod 5-4, the tail end of a rod a5-2 is inserted into the arc-shaped through hole 5-2, a stop block 5-1 is fixedly connected to the rod body of the rod a5-2, the stop block 5-1 is in surface contact with the outer plate b1-2, and the peripheral dimension, the stopper 5-1 can be stopped outside the arc-shaped through hole 6, the tail end of the rod a5-2 can slide on the arc-shaped through hole 6, the stopper 5-1 is in contact with the plate b to limit the depth of the rod a5-2 extending into the arc-shaped through hole 6, the rod b5-3 is vertically inserted into the rod body of the operating rod 5-4, the rod b5-3 is inserted into the through hole 7, the rod b5-3 can be switched between the through hole 7 and the blind hole 8, the central angle corresponding to the arcs where the through hole 7 and the blind hole 8 are located is 20-30 degrees, the limit of the angle is to limit the moving range of the operating rod 5-4 within a small range, when the brake wheel is applied to other equipment or devices, the brake wheel is prevented from interfering with other parts, and the vertical distance from the stopper 5-1 to the operating rod 5-4 is not more than.

The second technical scheme of the utility model is that, a flatbed for installing brake wheel, as shown in fig. 3, comprises a frame 10, the frame 10 is composed of a 100I-steel, 5I-steel with proper length are selected according to actual need to form 4 square-shaped structures, one I-steel is added in the middle as a cross arm, and the I-steel is connected by welding process, requiring full welding; two driving wheels 11 are mounted at the front part of the lower surface of the frame 10, the driving wheels 11 are single-edge wheels processed by Q235 round steel, two brake wheels 9 are mounted at the rear part of the lower surface of the frame, the brake wheels 9 are the brake wheels in the first technical scheme, and operating rods 5-4 of the brake wheels 9 are arranged at the outer side of the frame 10.

The principle of the brake wheel of the utility model is that the rod b5-3 is matched with the blind hole 8, the spring 4-3 is in a further compression state, the gear b4-2 is closer to the plate a1-1, the gear b4-2 is separated from the gear a12, namely the gear b4-2 is not meshed with the gear, and the single-edge wheel 3 can rotate; at this time, the operating lever 5-4 is pulled outwards and rotated along the shaft b4-1, the rod b5-3 on the operating lever 5-4 is matched with the through hole 7, the gear b4-2 is farther away from the plate a1-1, the gear b4-2 locks the gear a12, namely the gear b4-2 is meshed with the gear a12, and the single-wheel 3 cannot rotate.

The utility model relates to a brake operation process of flatbed with brake wheel is, when the flatbed was in the motion state, this moment pole b5-3 cooperated with blind hole 8, spring 4-3 was in further compression state, gear b4-2 was closer to board a1-1, gear b4-2 and gear a12 separation were gear b4-2 and gear a non-meshing, single edge wheel 3 can rotate, therefore little flatbed was in the motion state; when the flat car needs to be braked, the operating rod 5-4 is lifted along the axial direction of the shaft b4-1, the rod b5-3 is disengaged from the blind hole 8, then the operating rod 5-4 is rotated along the circumferential direction of the shaft b4-1, the tail end of the rod b5-3 on the operating rod 5-4 is inserted into the through hole 7, the shaft b4-1 moves away from the plate a1-1 along the axial direction by a distance L, the distance L is consistent with the bottom thickness of the blind hole 8, the gear b4-2 is meshed with the gear a12, and braking along the wheel 3 is completed.

The utility model provides a brake wheel ann 9 is adorned in the rear side of frame 10 lower surface of flatbed to the flatbed of installing the brake wheel and is controlled its brake, utilizes the gear engagement to brake, has got rid of traditional flatbed braking and has adopted skate and twine and easily lose and brake the not good vexation of effect, has improved the security performance in the use to a great extent.

Claims

1. A brake wheel, characterized by comprising a wheel frame (1), the wheel frame (1) comprising a plate a (1-1) and a plate b (1-2) arranged parallel to each other, the plate A shaft a (2) is installed vertically between a (1-1) and the plate b (1-2), a single edge wheel (3) is installed on the shaft a (2), and the single edge wheel (3) The single edge side of the shaft is close to the plate a (1-1), the shaft a (2) is also installed with a gear a (12), the gear a (12) is fixed on the single edge side of the single edge wheel (3), A braking device (4) is also installed between the plate a (1-1) and the plate b (1-2). For braking, one end of the braking device (4) protrudes from the plate b (1-2) and the protruding end is connected with an operating mechanism (5).

2. A brake wheel according to claim 1, characterized in that, the wheel frame (1) further comprises a plate c (1-3), the plate c (1-3) connects the plate a (1) -1) Connect to board b (1-2).

3 . The braking wheel according to claim 1 , wherein the braking device ( 4 ) comprises a shaft b ( 4 - 1 ), and one end of the shaft b ( 4 - 1 ) is vertically inserted into the plate a 3 . (1-1), the other end of the shaft b (4-1) is inserted into the plate b (1-2) and protrudes from the plate b (1-2), and the shaft b (4-1) is fixed with a Gear b (4-2), the shaft b (4-1) is also sleeved with a spring (4-3), the spring (4-3) is located between the gear b (4-2) and the plate b (1- 2) Between the shafts b (4-1) protruding from the plate b (1-2), a manipulation mechanism (5) is inserted at one end.

The brake wheel according to claim 3, characterized in that, the outer surface of the plate b (1-2) is provided with arc-shaped through holes (6), through holes (7), blind holes ( 8), the arc through hole (6), through hole (7), blind hole (8) take the insertion point of the shaft b (4-1) into the joystick (5-4) as the center of the circle, the through hole (7) The blind hole (8) is on the same arc, the arc through hole (6) is located below the axis b (4-1), and the through hole (7) and the blind hole (8) are located on the axis b (4-1) above;

The operating mechanism (5) includes a joystick (5-4), the shaft of the joystick (5-4) is connected with one end of the shaft b (4-1) protruding from the plate b (1-2), the One end of the shaft of the joystick (5-4) is vertically inserted with a rod a (5-2), the end of the rod a (5-2) is inserted into the arc through hole (6), and the rod a (5-2) is inserted into the arc through hole (6). 2) A stopper (5-1) is fixed on the rod body, the stopper (5-1) is in contact with the outer surface of the plate b (1-2), and the lever body of the joystick (5-4) A rod b (5-3) is also inserted vertically, the rod b (5-3) is inserted into the through hole (7).

5 . The braking wheel according to claim 4 , wherein the shaft b ( 4 - 1 ) and the joystick ( 5 - 4 ) are in clearance fit. 6 .

6 . The brake wheel according to claim 4 , wherein the central angle corresponding to the arc where the through hole ( 7 ) and the blind hole ( 8 ) are located is 20° to 30°. 7 .

7. A flatbed vehicle mounted with brake wheels, characterized in that it comprises a frame (10), two moving wheels (11) are mounted on the front of the lower surface of the frame (10), and the lower surface of the frame (10) is mounted with two moving wheels (11). Two brake wheels according to any one of claims 1-6 are installed at the rear of the car, and the levers (5-4) of the brake wheels are placed outside the frame (10).