KR101180271B1 - Hydraulic caliper brake - Google Patents

Abstract

PURPOSE: A hydraulic caliper brake is provided to prevent safety accidents by incidentally braking a drum of a winch. CONSTITUTION: A hydraulic caliper brake comprises a cylinder housing, a housing cover(14), a first cylinder(22), a second cylinder(24), a moving plate, a first pad(32), and a second pad(34). A chamber(12) is formed inside the cylinder housing. The housing cover is coupled to one side of the cylinder housing by bolts and fixes the cylinder housing in a winch structure. The first and second cylinders are built in the chamber of the cylinder housing. The first pad is compressed to one side of a disc(110) or is released the compression according to the movement of the moving plate. The second pad is compressed to the other side of the disc or is released the compression according to the operation of the second cylinder.

Description

Hydraulic caliper brake

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to hydraulic caliper brakes, and more particularly, to hydraulic caliper brakes that compress both sides of a disc of a winch used to lift or pull a heavy object to perform a brake function.

As is well known, a winch is generally a machine used to wrap a rope around a drum to lift or pull a heavy object. These winches are mainly used in construction sites, high-rise buildings, or high-rise apartments, such as hydraulic winches used in large vehicles or special vehicles using hydraulic pumps, and AC or DC ( It can be divided into electric winch for general vehicle using DC voltage, and it is used for special vehicle (fire engine, crane car, industrial vehicle) by using power (engine-transmission-propeller shaft-winch) in the vehicle itself. Power take off (PTO) winches.

The structure of the winch is, firstly, a large amount of rope is wound around a cylindrical drum, and one end of the rope is connected to a heavy object through a rotating roller, and then a rope is wound around the drum using a separate power source (hydraulic or electric). It rotates in reverse to move the weight.

Looking at the configuration of the above-mentioned winch in more detail, using an electric motor or a hydraulic motor as a power source, a device for controlling the device driven by the electric motor, a drum for forward and reverse rotation by the electric motor, drum Rope is wound around a plurality of, and consists of a holder fixed to the end of the rope to hold the weight.

On the other hand, the winch is provided with a brake device for restraining the rotation of the drum, but if an urgent situation such as failure or malfunction of the brake device occurs, it may cause serious safety accidents such as falling of the heavy material wound on the rope Bar and auxiliary brake equipment is urgently required to constrain the rotation of the drum in case of failure or malfunction of the main brake equipment.

Therefore, the technical problem to be achieved by the present invention is to provide a hydraulic caliper brake for pressing the disk both sides of the winch to perform a brake function.

Another technical problem to be achieved by the present invention is to provide a hydraulic caliper brake to maintain a constant pressing force even if the pad is worn by adjusting the distance between the pad for pressing both sides of the disk.

Another technical problem to be achieved by the present invention is to provide a hydraulic caliper brake for manually releasing the compressive force of the pad as needed during hydraulic malfunction.

The present invention for achieving the above object is a hydraulic caliper brake that is pressed and released to the disk installed in the drum constituting the winch to perform the brake function, the chamber 12 for supplying the hydraulic pressure therein Is formed, the cylinder housing 10, the housing bolt 14 which is bolted to one side of the cylinder housing 10 to secure the cylinder housing 10 to the winch structure, and the chamber 12 of the cylinder housing 10 The first and second cylinders which are opened in the outward direction by the tension force of the disc spring 26 installed in the center and are recessed in the inward direction by the hydraulic pressure flowing into the chamber 12. 22 and 24 and holes 20 for fitting the cylinder housing 10 and the housing cover 14 are formed and connected to the gap adjusting nut 28 coupled to the outer diameter of the first cylinder 22. In the state The floating plate 18 which moves left and right according to the operation of the first cylinder 22 and the other inner surface of the hole 20 of the floating plate 18 is attached to the moving plate 18 according to the movement of the floating plate 18. It is attached to the first pad 32 and the second cylinder 24 which are pressed and released on one surface of the disk 110, and the other surface of the disk 110 is pressed and pressed in accordance with the operation of the second cylinder 24. It characterized in that it comprises a second pad (34) that is crimped.

A bolt is penetrated to the first cylinder, and the inside of the second cylinder is screwed to the bolt in a state where a nut is installed, and a spring is installed between the second cylinder and the nut.

It is preferable to provide a pad spacing maintenance bar between the first and second pads.

According to the present invention, the first pad and the second pad are squeezed inward and press both sides of the disk in the process of spreading the first and second cylinders outward by the tension force of the spring. The first and second pads are spread outwards in the process of first and second cylinders being inward, and the two sides of the disc can be squeezed to prevent the occurrence of a safety accident by additionally braking the drum of the winch. Implement the effect.

1 is a diagram three-dimensionally showing the configuration of a hydraulic caliper brake according to the present invention.
FIG. 2 is a cross-sectional view of the hydraulic caliper brake shown in FIG. 1. FIG.
3 and 4 are views showing the operating state of the hydraulic caliper brake according to the present invention, respectively.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description will be presented a representative embodiment in the present invention to achieve the above technical problem. And other embodiments which may be presented by the present invention are replaced by descriptions in the constitution of the present invention.
In the present invention, the first pad coupled to the fixed plate of the floating plate and the second pad fixed to the magnet plate of the second cylinder in the process of opening the first and second cylinders outward by the tension force of the spring, In order to perform the brake function by compressing both sides of the disk, a hydraulic plate with a pressure greater than the tension force of the spring is introduced into the chamber of the cylinder housing and the first and second cylinders are squeezed inward. The first pad coupled to the fixed plate of the first pad and the second pad fixed to the magnet plate of the second cylinder is spread outward to implement the hydraulic calender brake to terminate the brake function by allowing both sides of the disk to be pressed. .
1 is a three-dimensional view showing the configuration of a hydraulic caliper brake according to the present invention, Figure 2 is a view showing a cross section of the hydraulic caliper brake shown in FIG.
As shown in FIG. 1 and FIG. 2, the hydraulic caliper brake 100 of the present invention has a cylinder housing 10 having a chamber 12 formed therein and a bolt 16 fastened to the cylinder housing 10. A cylinder cover 14 for fixing the cylinder housing 10 to a structure of a winch (not shown) and an outer chamber of the cylinder housing 10 and the cylinder cover 14, and an inner chamber of the cylinder housing 10. According to the operation of the first cylinder 22 installed in 12), the outer plate is configured with a flow plate 18 that moves left and right.
At least one disk positioned between the first and second cylinders 22 and 24 and the first and second cylinders 22 and 24 in the chamber 12 formed in the cylinder housing 10 to exert a tension force. The spring 26 is inserted.
The first and second cylinders 22 and 24 are opened in the outward direction (the first cylinder 22 is in the left direction and the second cylinder 24 is in the right direction) by the tension force of the disc spring 26. Due to the hydraulic pressure introduced into the chamber 12, the operation is performed in the inner direction (the first cylinder 22 is in the right direction and the second cylinder 24 is in the left direction).
Specifically, the first cylinder 22 is installed in the chamber 12 of the cylinder housing 10 and moved to the left by the tension force of the disk spring 26, and also by the hydraulic pressure introduced into the chamber 12 As a means for moving to the right, a guide pin 23 is protruded on one side of the first cylinder 22, and a pin insertion groove 13 for fitting the guide pin 23 to the cylinder housing 10 is formed. It is formed to guide the left and right movement of the first cylinder (22).
One end of the first cylinder 22 is coupled to the gap adjusting nut 28 in its outer diameter in the state exposed to the outside of the cylinder housing (10). The gap adjusting nut 28 is in close contact with the above-described flow plate 18 in a state of being screwed to the outer diameter of the first cylinder 22 exposed to the outside of the cylinder housing 10, the first cylinder ( It is pushed by the pressure in accordance with the left movement of 22) to push the flow plate 18 to the left to move.
The second cylinder 24 is installed in the chamber 12 of the cylinder housing 10 and moves to the right by the tension force of the disk spring 26, and also moves to the left by the hydraulic pressure introduced into the chamber 12. As a means, the guide pin 25 protrudes from one side of the second cylinder 24, and the guide pin 24 is formed on one side of the inner surface of the housing cover 14 which is bolted to the cylinder housing 10. The pin insertion groove 15 is formed to be fitted to guide the left and right movement of the second cylinder 24.
The floating plate 18 is inserted into the cylinder housing 10 and the housing cover 14 so as to be movable left and right, and at the center thereof, a hole for fitting the cylinder housing 10 and the housing cover 14 to the cylinder housing 10 and the housing cover 14. 12) is formed.
A gap adjusting nut 28 coupled to the outer diameter of the first cylinder 22 is connected to one inner surface of the hole 20 of the floating plate 18 so that the first cylinder 22 is the disk spring 26. When moving to the left and right by the tension force and the hydraulic pressure of), the flow plate 18 is moved in the left and right directions.
The fixing plate 21 is bolted to the other inner surface of the hole 20 of the floating plate 18, and the first pad 32 is coupled to the fixing plate 21. The first pad 32 is compressed to one side of the disk 110 and restrains the rotation of the disk 110 when the moving plate 18 is pushed in the left direction by the left movement of the first cylinder 22. . In addition, when the flow plate 18 moves to the right by the first cylinder 22 moves to the right by the hydraulic pressure introduced into the chamber 12 of the cylinder housing 10, the first pad 32 is pushed to the right. The rotational constraint of the disk 110 is released from one surface of the disk 110.
One end of the second cylinder 24 is bolted to the magnet plate 25 at its end in a state exposed to the outside of the housing cover 14. The second pad 34 is adsorbed on one surface of the magnetic plate 25, and the second pad 34 is moved by the tension force of the disc spring 26 to move the disc 24 to the right. When the second cylinder 24 moves to the left by the hydraulic pressure introduced into the chamber 12 of the cylinder housing 10, the disk 110 is compressed to rest on the other surface of the cylinder 110. Falling from the other surface of the) will release the rotation constraint of the disk (110).
That is, the first and second pads 32 and 34 are spaced outward by the tension force of the disk spring 26 in which the first and second cylinders 22 and 24 are disposed in the middle while being positioned on both sides of the disk 110. In accordance with an operation (ie, the first cylinder 22 moves to the left and the second cylinder 24 moves to the right), the flow plate 18 moves to the left using the pressure of the first cylinder 22. The first pad 32 is pushed onto one surface of the disk 110, and at the same time, the second pad 34 is pushed to the right using the pressure of the second cylinder 24 and the other surface of the disk 110. By compressing to the brake to restrain the rotation of the disk 110 to perform.
In addition, when releasing the restraint of rotation of the disk 110, when the hydraulic pressure is supplied to the chamber 12 of the cylinder housing 10, the first and second cylinders 22 and 24 are deflected inwardly (that is, the first cylinder). 22 moves to the right side, and the second cylinder 24 moves to the left side, through which the flow plate 18 releases the pressure between the second cylinders 24 and maintains the pad spacing bar. Pushed to the right by the tension force of 50, the first pad 32 is dropped from one side of the disk 110, and at the same time the second pad 34 is left with the left movement of the second cylinder 24 together. By moving to and falling off one side of the disk 110 to release the rotation constraint of the disk 110, a detailed description thereof will be described in more detail in the operation description below.
On the other hand, a bolt 40 is installed through the inside of the first cylinder 22, a nut 42 screwed to the bolt 40 is installed inside the second cylinder 24, Between the nut 42 and the second cylinder 24, a spring 44 exerting a tension force is installed.
The bolts 40 and the nuts 42 are the first and second pads compressing both sides of the disk 110 when the system for supplying hydraulic pressure to the chamber 12 of the cylinder housing 10 causes malfunction. (32, 34) is a means provided for the purpose of manually crimping. That is, when the rotational constraint of the disk 110 is to be manually operated, when the bolt 40 is rotated in one direction, the nut 42 rides on the thread formed in the outer diameter of the bolt 40 to open the second cylinder 24. Pressurizes the second cylinder 24 to the left, and the bolt 40 pressurizes the first cylinder 22 to move the first cylinder 22 to the right, resulting in a cylinder housing. The first and second pads having the same effect as that in which the hydraulic pressure is injected into the chamber 12 of (10) are pressed on both sides of the disk 110 by pressing the first and second cylinders 22 and 24 inward. 32, 34) will be able to release the compression.
On the other hand, between the first and second pads (32, 34) is further provided with a pad spacing maintenance bar (50). When the pad interval maintaining soba 50 is worn in the process in which the first and second pads 32 and 34 are pressed on both sides of the disk 110, the pad pads 32 and 34 have the same depth as the worn depth. It is provided for the purpose of narrowing or widening the space between them.
Hereinafter, the operation of the hydraulic caliper brake according to the present invention will be described with reference to FIGS. 3 and 4.
The hydraulic caliper brake 100 of the present invention performs the brake function in a state in which the first and second pads 32 and 34 compress both surfaces of the disk 110 by the tension force of the disk spring 26, and the cylinder housing ( When the hydraulic pressure is supplied to the chamber 12 of 10), the compression of the first and second pads 32 and 34 is released to operate the brake function.
Specifically, when the brake function is performed, the hydraulic pressure is not supplied. In this case, the first and second cylinders 22 and 24 are in the middle with the first and second pads 32 and 34 located on both sides of the disk 110. Flow plate 18 according to an operation that is opened to the outside by the tension force of the disk spring (26) installed in (ie, the first cylinder 22 moves to the left, the second cylinder 24 moves to the right). ) Is pushed to the left using the pressure of the first cylinder 22 and the first pad 32 is pressed onto the other surface of the disk 110, and at the same time the second pad 34 is the first cylinder (22) It is pushed to the right by using the pressure of the compression to be pressed on one surface of the disk 110 to perform a brake function that restrains the rotation of the disk (110).
When the brake function is released, the hydraulic pressure is supplied to the chamber 12 of the cylinder housing 10. In this case, when the hydraulic pressure is supplied to the chamber 12 of the cylinder housing 10, the tension force of the disc spring 26 is applied. The first and second cylinders 22 and 24, which are spread outwards, are moved to the inside by hydraulic pressure (i.e., the first cylinder 22 moves to the right and the second cylinder 24 moves to the left). Operation), through which the floating plate 18 is pushed to the right by the tension force of the pad space maintenance bar 50 by the pressure release of the second cylinder 24 and the first pad 32 is moved to the disc ( At the same time, the second pad 34 moves to the left side with the left side movement of the second cylinder 24 and falls off one side of the disc 110, thereby restraining the rotation of the disc 110. The brake function is canceled by canceling it.

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10: cylinder housing 12: chamber
14: housing cover 18: floating plate
22: first cylinder 24: second cylinder
26: disc spring 28: gap adjusting nut
32: first pad 30: magnet plate
34: second pad 40: bolt
42: nuts

Claims (3)

In the hydraulic caliper brake which presses and releases the disk installed in the drum constituting the winch and performs the brake function,
A cylinder housing 10 in which a chamber 12 for supplying hydraulic pressure is formed therein;
A housing cover 14 which is bolted to one side of the cylinder housing 10 and fixes the cylinder housing 10 to the winch structure;
Opened in the chamber 12 of the cylinder housing 10 by the tension force of the disk spring 26 is installed in the center of the outward direction, and the hydraulic pressure flowing into the chamber 12 is impregnated in the inner direction First and second cylinders 22 and 24 for performing an operation;
The first cylinder in a state in which a hole 20 for fitting the cylinder housing 10 and the housing cover 14 is formed and connected to a gap adjusting nut 28 coupled to an outer diameter of the first cylinder 22 is formed. A flow plate 18 that moves left and right in accordance with the operation of 22;
A first pad 32 attached to the other inner surface of the hole 20 of the floating plate 18 and pressed and released on one surface of the disk 110 according to the movement of the floating plate 18;
Hydraulic pressure, characterized in that it comprises a second pad (34) attached to the second cylinder 24 and pressed and released on the other surface of the disk 110 in accordance with the operation of the second cylinder (24) Caliper Brake.
The method of claim 1,
The bolt 40 is penetrated and installed in the first cylinder 22, and the screw 40 is screwed to the bolt 40 in a state where the nut 42 is installed in the second cylinder 24. Hydraulic caliper brake, characterized in that the spring (44) is installed between the cylinder (24) and the nut (42).
The method of claim 1,
A hydraulic caliper brake, characterized in that the pad interval maintenance shobu 50 is installed between the first and second pads (32, 34).

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