CN210454828U

CN210454828U - Braking system of torpedo car

Info

Publication number: CN210454828U
Application number: CN201921373279.2U
Authority: CN
Inventors: 夏冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-05
Anticipated expiration: 2029-08-22

Abstract

The utility model provides a braking system of torpedo car, including interlock mechanism, pneumatic cylinder, brake block, hydraulic pressure pipe, interlock mechanism connects between torpedo car's axletree and pneumatic cylinder, changes the rotary motion of axletree into the pressure source of pneumatic cylinder, and the brake block setting is in torpedo car's wheel department, and the pneumatic cylinder passes through the hydraulic pressure pipe to be connected with the brake block to utilize the hydraulic control brake block. The braking system of the torpedo tank car is convenient to operate and high in practicability.

Description

Braking system of torpedo car

Technical Field

The utility model relates to a technical field of metallurgical railway transportation equipment especially relates to a braking system of torpedo car.

Background

The torpedo tank car, also called torpedo type torpedo hot metal mixer car, is a large-scale molten iron transportation equipment, and has the advantages of small heat loss, long heat preservation time, energy conservation and the like. The torpedo car has no drive mechanism and is driven by an external locomotive.

Most of the existing torpedo cars do not have a braking function, in actual operation, when the torpedo cars are parked, a locomotive brakes firstly, after the torpedo cars are parked, workers insert wedge blocks under wheels of the torpedo cars to prevent the torpedo cars from sliding, the traditional braking mode is inconvenient to operate and has potential safety hazards, and therefore a braking system for the torpedo cars is urgently needed to be developed to solve the problems in the prior art.

Disclosure of Invention

For solving the problem among the prior art, the utility model aims at providing a braking system of torpedo car, it has solved the swift current car problem among the prior art to convenient operation, the practicality is strong.

In order to achieve the above object, the utility model discloses a braking system of torpedo car includes interlock mechanism, pneumatic cylinder, brake block, hydraulic pressure pipe, and interlock mechanism connects between the axletree of torpedo car and pneumatic cylinder, changes the rotary motion of axletree into the pressure source of pneumatic cylinder, and the brake block setting is in the wheel department of torpedo car, and the pneumatic cylinder passes through the hydraulic pressure pipe to be connected with the brake block to utilize the hydraulic control brake block.

Furthermore, the linkage mechanism comprises a cam, a connecting rod, a first elastic mechanism, a second elastic mechanism and a locking pin, wherein the cam is arranged on the wheel axle, the connecting rod is movably arranged between the hydraulic cylinder and the cam, the first elastic mechanism is arranged on the connecting rod and applies elastic force along the longitudinal direction of the connecting rod to the connecting rod, the second elastic mechanism is close to the cam and applies elastic force along the vertical direction to the connecting rod, and the locking pin is matched with the connecting rod for use and used for locking the connecting rod.

Further, the connecting rod includes a first end connected to the piston of the hydraulic cylinder and a second end adjacent to the cam.

Further, the linkage includes a non-braking position in which the second end of the linkage is distal from the cam and a braking position in which the second end of the linkage is in the path of rotation of the cam.

Furthermore, the first elastic mechanism comprises a first elastic part, a fixed convex ring and a first stop dog, the fixed convex ring is fixedly arranged on the connecting rod, the first stop dog is fixedly arranged on the torpedo car, the connecting rod can slide relative to the first stop dog, and the first elastic part is arranged between the fixed convex ring and the first stop dog.

Further, the second elastic mechanism comprises a second elastic piece, a fixed seat, a movable block and a matching piece, the fixed seat is fixedly arranged on the torpedo car, the movable block is located above the fixed seat, the second elastic piece is arranged between the fixed seat and the movable block, the matching piece can be connected with the movable block in a pivoting mode, and the connecting rod penetrates through the matching piece and can slide relative to the matching piece.

Furthermore, an oil return valve is arranged on the hydraulic cylinder.

Further, a handle for manual pressurization is mounted on the hydraulic cylinder.

The utility model discloses a torpedo car braking system has following beneficial effect:

(1) the problem of torpedo car tank wagon swift current car among the prior art is solved.

(2) Under the condition that the torpedo car is decelerated and stopped, the brake system can realize the automatic brake function, an operator only needs to pull out the locking pin, the brake system converts the rotation motion of the wheel into the reciprocating motion of the piston of the hydraulic cylinder, the liquid pressure in the hydraulic cylinder is increased, and the wheel is braked by utilizing the liquid pressure, so that the automatic brake function is realized;

(3) under the condition that the torpedo car is parked, the brake system can realize the manual brake function, and an operator can realize the manual brake function by operating a manual pressurizing handle on a hydraulic cylinder;

(4) the brake system is simple to operate and high in practicability.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of the braking system of the torpedo car of the present invention.

Fig. 2 is a top view of the braking system of fig. 1.

Fig. 3 is a cross-sectional view a-a of the braking system of fig. 2.

Fig. 4 is a sectional view a-a of the braking system of fig. 2 in a braking state.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, the torpedo car includes a wheel 11 and a wheel axle 12, and the wheel 11 is mounted on the wheel axle 12. In this embodiment only 4 wheels and 2 wheel axles are shown, one wheel being mounted at each end of each wheel axle, in other embodiments the torpedo car may have other numbers of wheels and wheel axles, such as 6 wheels and 3 wheel axles, etc. The utility model discloses do not do the restriction to the quantity of wheel and axletree.

The torpedo car braking system comprises a linkage mechanism 2, a hydraulic cylinder 3, a brake pad 4 and a hydraulic pipe 5.

The interlocking mechanism 2 is connected between the wheel shaft 12 and the hydraulic cylinder 3, and converts the rotational motion of the wheel shaft 12 into a hydraulic pressure source of the hydraulic cylinder. Specifically, the interlocking mechanism 2 includes a cam 21, a link 22, a first elastic mechanism 23, a second elastic mechanism 24, and a lock pin 25. Wherein the cam 21 is fixedly mounted on one of the wheel shafts 12 and is rotatable with the wheel shaft 12. Preferably, the cam is fixedly mounted on the wheel axle near the rear of the vehicle where the hydraulic cylinder 3 is located. The connecting rod 22 is movably disposed between the hydraulic cylinder 3 and the cam 21, a projection of an extending direction of the connecting rod 22 in a horizontal plane is perpendicular to the wheel axle 12, that is, perpendicular to a rotation axis of the cam 21, more specifically, the connecting rod 22 includes a first end 22a and a second end 22b, the first end 22a is connected with a cylinder piston, the cylinder piston is connected with a piston connecting rod 31, and the piston connecting rod 31 is rotated to drive the piston to move up and down, so as to increase a hydraulic pressure in the cylinder. The piston rod 31 extends out of the cylinder 3 parallel to the axis of rotation of the cam 21 and perpendicular to the extension of the rod 22, the first end 22a of the rod passing through a hole in the piston rod 31, thus connecting the rod 22 to the cylinder piston; the link second end 22b is provided at the cam 21, which is close to the cam 21, and the link second end 22 is located below the rotational axis of the cam 21.

The first elastic mechanism 23 is provided on the link 22 and applies an elastic force to the link 22 in the longitudinal direction thereof. Specifically, the first elastic mechanism 23 includes a first elastic member 231, a fixing convex ring 232, and a first stopper 233. The fixing convex ring 232 is fixedly disposed on the connecting rod 22, and may be integrally formed with the connecting rod 22 or may be fixed on the connecting rod 22 by a fixed connection manner. The first stop 233 is fixedly disposed on the torpedo car, which may be secured to the chassis of the torpedo car or other fixed component. The first stopper 233 is provided with a guide hole 233a, the guide hole 233a is an elongated hole and is an open hole, and the link 22 passes through the guide hole 233a, is movable up and down in the guide hole 233a, and is also slidable relative to the first stopper 233. The fixed collar 232 and the first stopper 233 are adjacent to the cam 21 and the cylinder 3, respectively. The first elastic member 231 is disposed between the fixed convex ring 232 and the first stopper 233, in this embodiment, the first elastic member 231 is a spring, and in other embodiments, other suitable elastic elements may be adopted as the first elastic member. Since the first stopper 233 is fixed with respect to the torpedo car, the first elastic member 231 applies an elastic force to the fixing boss 232 and the connecting rod 22, so that the connecting rod 22 has a tendency to move toward the cam 21.

The second elastic mechanism 24, which is located near the cam 21, i.e., at the second end 22b of the link 22, applies a vertical elastic force to the link second end 22 b. Specifically, the second elastic mechanism 24 includes a second elastic member 241, a fixed seat 242, a movable block 243, and a mating member 244. The fixed seat 242 is fixedly arranged on the torpedo car, the movable block 243 is movably arranged above the fixed seat 242, the second elastic piece 241 is arranged between the fixed seat 242 and the movable block 243, preferably, the movable block 243 is provided with a guide rod 245 extending downwards, and the second elastic piece 241 is sleeved on the guide rod 245. The engaging member 244 is disposed above the movable block 243 and is pivotably connected to the movable block 243 by a pivot shaft 246. The second end 22b of the link rod passes through an aperture in the mating member 244 and is slidable relative to the mating member 244. Since the fixed seat 242 is fixed relative to the torpedo car, the second resilient member 241 applies a vertically upward force to the movable block 243 and the engaging member 244 and the second end 22b of the connecting rod, so that the second end 22b of the connecting rod has a tendency to move upward. The second elastic member 241 is preferably a spring.

A locking pin 25 is used in cooperation with the link 22 for locking the link 22. Specifically, the locking pin 25 is located at the link first end 22a, which can pass through a locking hole 220 at the first end 22 a. The first end 22a of the connecting rod is further provided with a second stop 26, the second stop 26 is fixedly arranged on the torpedo car, and the structure of the second stop 26 is the same as that of the first stop 233 and is provided with a guide hole. The link 22 passes through the guide hole and can slide with respect to the first stopper 233 and the second stopper 26.

The braking system also includes other stops, all of which are identical in construction and have guide holes to provide a guide for the link 22.

In the non-braking state as shown in fig. 1-3, the linkage 22 is in a relatively left position, i.e., a non-braking position. The link 22 and the fixing ring 232 slide leftward and compress the first elastic member 231, the link locking hole 220 passes leftward over the first stopper 233, the link second end 22b is spaced away from the cam 21, the locking pin 25 is inserted into the link locking hole 220 and is restrained by the second stopper 26, the link 22 is locked at the non-braking position, and the torpedo car can freely travel.

In the braking state shown in fig. 4, the link 22 is in a rightward position, i.e., a braking position. The locking pin 25 is pulled out of the link locking hole 220, the link 22 slides toward the cam 21 by the elastic force of the first elastic member 231, and the link second end 22b slides below the protruding portion of the cam 21 on the rotation path of the cam 21. When the cam 21 rotates in the direction indicated by the arrow in the figure, the protrusion of the cam 21 rotates downward to contact the second end 22b of the connecting rod and push the second end 22b of the connecting rod to move downward, the second end 22b of the connecting rod compresses the second elastic member 241 downward, when the protrusion of the cam 21 passes over the second end 22b of the connecting rod, the second end 22b of the connecting rod moves upward again under the elastic force of the second elastic member 241, and the second end 22b of the connecting rod reciprocates continuously up and down along with the continuous rotation of the cam 21, because the second end 22b of the connecting rod is pivotally disposed by the fitting 244, the up and down reciprocating motion of the second end 22b of the connecting rod makes the first end 22a reciprocate in the opposite direction and drives the piston connecting rod 31 to rotate in the forward and reverse directions. The piston connecting rod 31 rotates forward and backward to drive the hydraulic cylinder piston to move up and down, so that the liquid pressure in the hydraulic cylinder is increased, the hydraulic cylinder 3 conveys hydraulic pressure to the brake pad 4 through the hydraulic pipe 5 to compress the brake pad 4, so that the brake pad 4 tightly holds the wheel 11, and the braking effect is achieved.

When the brake is not needed, the operator pulls the link 22 leftward, inserts the locking pin 25 into the locking hole 220, and opens the oil return valve 33 on the hydraulic cylinder 3, at this time, the second end 22b of the link leaves the rotation path of the cam 21, the linkage relationship between the rotation of the wheel 11 and the hydraulic cylinder 3 is released, and at the same time, the hydraulic oil flows back into the oil tank, the brake pad 4 is opened, and the wheel 11 can rotate freely.

Preferably, the locking pin 25 and the link 22 may be connected to the inside of the station by a connection mechanism so that the operator can operate the brake and walk freely of the torpedo car in the station.

The hydraulic cylinder 3 is also provided with a handle 32 for manual pressurization, so that when the torpedo car is stopped on a line or under a blast furnace, the hydraulic cylinder 3 can be manually pressurized by rotating the handle 32 up and down to realize brake. Therefore, the utility model discloses a braking system makes the torpedo car no matter be when slowing down or when parkking, can both realize the brake braking function, its convenient operation, and the practicality is strong.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

1. The brake system of the torpedo car is characterized by comprising a linkage mechanism, a hydraulic cylinder, a brake pad and a hydraulic pipe, wherein the linkage mechanism is connected between a wheel shaft of the torpedo car and the hydraulic cylinder and converts the rotary motion of the wheel shaft into a pressure source of the hydraulic cylinder, the brake pad is arranged at the wheel of the torpedo car, and the hydraulic cylinder is connected with the brake pad through the hydraulic pipe and controls the brake pad by utilizing hydraulic pressure.

2. The brake system for a torpedo car as set forth in claim 1, wherein said linkage includes a cam mounted on said wheel axle, a link movably disposed between said hydraulic cylinder and said cam, a first resilient means disposed on said link and applying a resilient force to said link in a longitudinal direction of said link, a second resilient means disposed adjacent to said cam and applying a resilient force to said link in a vertical direction, and a locking pin engaged with said link for locking said link.

3. The torpedo car braking system of claim 2 wherein said linkage includes a first end and a second end, said first end being connected to the piston of said hydraulic cylinder and said second end being adjacent said cam.

4. The torpedo car braking system of claim 3 wherein the link includes a non-braking position in which the second end of the link is remote from the cam and a braking position in which the second end of the link is in the path of rotation of the cam.

5. The brake system of a torpedo car as set forth in claim 2, wherein said first resilient means comprises a first resilient member, a fixed collar fixedly disposed on said link, a first stop fixedly disposed on said torpedo car and said link is slidable relative to said first stop, and said first resilient member is disposed between said fixed collar and said first stop.

6. The system of claim 5, wherein the second resilient mechanism comprises a second resilient member, a fixed seat fixedly disposed on the torpedo car, a movable block disposed above the fixed seat, a mating member disposed between the fixed seat and the movable block, the mating member being pivotally connected to the movable block, and the connecting rod passing through the mating member and being slidable relative to the mating member.

7. The brake system of a torpedo car as set forth in claim 1, wherein a scavenge valve is provided on said hydraulic cylinder.

8. The brake system of the torpedo car as in any of claims 1 to 7, wherein the hydraulic cylinder is fitted with a handle for manual pressurization.