CN218325908U

CN218325908U - Multi-point braking hydraulic disc brake

Info

Publication number: CN218325908U
Application number: CN202222621553.1U
Authority: CN
Inventors: 蒋鑫平; 杜军华; 廖鹏云; 蔡志亮
Original assignee: Jiangxi Huawu Brake Co ltd
Current assignee: Jiangxi Huawu Brake Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-17
Anticipated expiration: 2032-10-08

Abstract

A multi-point braking hydraulic disc brake comprises a braking unit, a caliper body, a pad baffle, a connecting bolt, a base, a guide pillar, a mounting bottom plate, a driven side caliper body and a middle plate, wherein the braking unit is mounted on the caliper body, two or more braking units can be mounted on a single caliper body, the single braking unit fails, and the brake loses part of braking force and cannot completely fail; the brake unit comprises an end cover, a spring group, a piston rod sealing piece, an adjusting rod, a piston sealing piece, a liner fixing bolt and the like. The braking unit is fixed on the caliper body through end cover threads by taking the caliper body as an oil cylinder barrel, the spring group directly acts on the piston, the structural arrangement is compact, the piston in the braking unit is in threaded connection with the adjusting rod, the thread screwing length can be adjusted, the back distance between the liner and the brake disc can be adjusted, and the brake can be arranged in a direct-acting type structural form and a floating type structural form and is convenient to install.

Description

Multi-point braking hydraulic disc brake

Technical Field

The utility model relates to a arresting gear, especially a multiple spot braking hydraulic disc brake.

Background

The hydraulic disc brake is a high-power brake device used on a low-speed shaft (drum shaft), and can be widely used for emergency safety braking of lifting of large and medium-sized cranes, port loading and unloading machines and low-speed shafts of boom elevating mechanisms, working braking and emergency safety braking of mining winches, hoists and high-power inclined belt conveyors, safety braking of cable cars and cable crane driving mechanisms and safety (emergency) braking of low-speed shafts of special cranes such as casting cranes and the like. The main parts of the brake comprise a base, a brake disc, a clamp body, a spring, an oil cylinder, a liner, a mounting bolt and the like, wherein the clamp body is fixed on the base through the mounting bolt, the oil cylinder and the spring are fixed on the clamp body, the liner is acted by the spring to press the brake disc to generate braking force, the oil cylinder is filled with oil pressure to overcome the spring force, the pressure of the liner acting on the brake disc is overcome, and the brake is opened. The conventional hydraulic disc brake is usually formed by separately arranging a single oil cylinder and a single group of springs, and when the single group of springs is used, the springs are invalid, so that the braking force loss is large or the springs completely disappear to cause potential safety hazards; in addition, the oil cylinder and the spring are separately arranged, so that the appearance volume is large, and the requirement on installation space is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a light in weight, small, operate steadily, a multiple spot braking hydraulic disc brake.

The utility model discloses a multiple spot braking hydraulic disc brake, including base, the pincers body, brake unit, liner, connecting bolt, the pincers body passes through construction bolt to be fixed on the base, its characterized in that, open the hydro-cylinder that has two or more align to grid on the pincers body, all install brake unit in the hydro-cylinder, brake unit includes end cover, spring assembly, piston rod sealing member, adjusts pole, piston sealing member, liner fixing bolt, and brake unit passes through end cover threaded fixation on the pincers body, and the piston is placed in the hydro-cylinder, and the spring assembly cover is put on the piston, and one end is used in on the end cover, and the other end direct action is on the piston, and piston rod both are equipped with piston sealing member and piston rod sealing member formation airtight oil pocket with the hydro-cylinder position of contact respectively, and adjust the pole and pass through screw thread and piston connection, can adjust the extension length of pole, and liner pass through liner fixing bolt connection, and the liner can reciprocate along with the piston action. The scheme is a direct-acting type: two caliper bodies are symmetrically arranged on two sides of the brake disc, and the two caliper body pads simultaneously act on the brake disc to generate braking force; the scheme II is floating: the caliper body and the driven side caliper body are arranged on two sides of the brake disc, the caliper body, the middle plate and the driven side caliper body are fixed together through bolts, the caliper body, the middle plate and the driven side caliper body are all sleeved on the guide pillar and can slide along the guide pillar, and the guide pillar bears brake force of the brake and is fixed on the mounting bottom plate.

The utility model discloses a theory of operation of multiple spot braking hydraulic disc brake is that, the spring assembly provides spring force action piston in the braking unit, adjusts pole and piston threaded connection, and the spring force is conducted the liner through adjusting the pole again and is acted on the brake disc, produces braking force, the stopper braking. Pressure oil is introduced into a closed oil cavity formed by the piston, the piston sealing element, the piston rod sealing element and the clamp body, the spring force is overcome, the gasket is pulled by the gasket fixing bolt to move towards the clamp body side, the braking force is eliminated, and the brake is opened.

The utility model discloses a multiple spot braking hydraulic disc brake has following effect:

1. two or more than two brake units are arranged on a single caliper body of the brake, and when the single brake unit fails, the brake loses part of braking force and cannot completely fail;

2. the braking unit uses the caliper body as an oil cylinder barrel, a spring group in the braking unit directly acts on the piston, and the braking unit adjusts the back clearance between the pad and the brake disc by adjusting the threaded screwing length of the piston and the adjusting rod, so that the structure is compact;

3. the brake can be arranged into a direct-acting type and a floating type, and is convenient to install on site.

Drawings

Fig. 1 is a schematic view of a direct-acting structure according to embodiment 1 of the present invention;

FIG. 2 is a side view of the structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view of the braking unit of the present invention;

fig. 4 is a schematic view of the floating structure according to embodiment 2 of the present invention;

fig. 5 is a side view of the structure of embodiment 2 of the present invention;

1. the brake device comprises a brake unit, 2, a caliper body, 3, a pad, 4, a pad baffle, 5, a brake disc, 6, a connecting bolt, 7, a base, 8, a guide pillar, 9, a mounting bottom plate, 10, a driven side caliper body, 11, a middle plate, 1a, an end cover, 1b, a spring group, 1c, a piston, 1d, a piston rod sealing piece, 1e adjusting rods, 1f piston sealing pieces and 1g pad fixing bolts.

Detailed Description

Example 1:

a direct-acting multi-point brake hydraulic disc brake comprises a base 7, caliper bodies 2, brake units 1, gaskets 3 and connecting bolts 6 and is characterized in that the two caliper bodies 2 are symmetrically fixed on the base 7 through the connecting bolts 6, two or more than two oil cylinder barrels are uniformly arranged on the caliper bodies 2, the brake units 1 are mounted in the oil cylinder barrels, each brake unit 1 comprises an end cover 1a, a spring group 1b, a piston 1c, a piston rod sealing piece 1d, an adjusting rod 1e, a piston sealing piece 1f and a gasket fixing bolt 1g, the brake units 1 are fixed on the caliper bodies 2 through threads of the end covers 1a, the pistons 1c are placed in the oil cylinder barrels, the spring groups 1b are sleeved on the pistons 1c, one ends of the spring groups act on the end covers 1a, the other ends of the spring groups directly act on the pistons 1c, piston sealing pieces 1f and the piston rod sealing pieces 1d are arranged at positions where the pistons and the piston rods are in contact with the oil cylinder barrels respectively to form closed oil cavities, the adjusting rods 1e are connected with the pistons 1c through threads, and the adjusting rods 1e are connected with the gaskets 3 through the gasket fixing bolts 1 g. Two caliper bodies 2 are symmetrically arranged on two sides of a brake disc 5, and two caliper body pads 3 simultaneously act on the brake disc 5 to generate braking force.

And the two ends of the liner 3 are provided with liner baffles 4, and the liner baffles 4 are fixed on the pliers body 2 in a key connection mode.

Example 2:

a floating type multi-point brake hydraulic disc brake comprises a base 7, a caliper body 2, a brake unit 1, a gasket 3 and a connecting bolt 6 and is characterized in that two or more than two oil cylinder barrels which are uniformly arranged are arranged on the caliper body 2, the brake unit 1 is installed in each oil cylinder barrel, each brake unit 1 comprises an end cover 1a, a spring group 1b, a piston 1c, a piston rod sealing piece 1d, an adjusting rod 1e, a piston sealing piece 1f and a gasket fixing bolt 1g, the brake unit 1 is fixed on the caliper body 2 through the end cover 1a in a threaded mode, the piston 1c is placed in each oil cylinder barrel, the spring group 1b is sleeved on the piston 1c, one end of the spring group acts on the end cover 1a, the other end of the spring group directly acts on the piston 1c, the piston and the piston rod are respectively provided with the piston sealing piece 1f and the piston rod sealing piece 1d at positions, which are in contact with the oil cylinder barrels, a closed oil cavity is formed, the adjusting rod 1e is connected with the piston 1c through threads, and the adjusting rod 1e is connected with the gasket 3 through the gasket fixing bolt 1 g. The caliper body 2 and the driven side caliper body 10 are arranged on two sides of the brake disc 5, the caliper body 2, the middle plate 11 and the driven side caliper body 10 are fixed together through bolts and are all sleeved on the guide pillar 8, and the guide pillar 8 is fixed on the mounting bottom plate 9.

And two ends of the liner 3 are provided with liner baffles 4, and the liner baffles 4 are fixed on the clamp body 2 in a key connection mode.

Claims

1. The utility model provides a multiple spot braking hydraulic disc brake, includes base (7), pincers body (2), braking unit (1), pad (3), connecting bolt (6), its characterized in that: the two caliper bodies (2) are symmetrically fixed on a base (7) through connecting bolts (6), two or more than two oil cylinder barrels which are uniformly arranged are arranged on the caliper bodies (2), braking units (1) are installed in the oil cylinder barrels, each braking unit (1) comprises an end cover (1 a), a spring group (1 b), a piston (1 c), a piston rod sealing piece (1 d), an adjusting rod (1 e), a piston sealing piece (1 f) and a gasket fixing bolt (1 g), the braking units (1) are fixed on the caliper bodies (2) through the end covers (1 a) in a threaded mode, the pistons (1 c) are placed in the oil cylinder barrels, the spring groups (1 b) are sleeved on the pistons (1 c), one ends of the springs act on the end covers (1 a), the other ends of the springs act on the pistons (1 c) directly, piston sealing pieces (1 f) and piston rod sealing pieces (1 d) are arranged at positions where the pistons and the piston rods are in contact with the oil cylinder barrels respectively, an oil cavity is formed, the adjusting rods (1 e) are connected with the pistons (1 c) through the gaskets, and the adjusting rods (1 e) are connected with the gaskets (3) through the gaskets.

2. The utility model provides a multiple spot braking hydraulic disc brake, includes base (7), pincers body (2), braking unit (1), pad (3), connecting bolt (6), its characterized in that: the hydraulic brake caliper is characterized in that two or more than two oil cylinder barrels which are uniformly arranged are arranged on the caliper body (2), brake units (1) are installed in the oil cylinder barrels, each brake unit (1) comprises an end cover (1 a), a spring group (1 b), a piston (1 c), a piston rod sealing piece (1 d), an adjusting rod (1 e), a piston sealing piece (1 f) and a gasket fixing bolt (1 g), the brake units (1) are fixed on the caliper body (2) through the end covers (1 a) in a threaded mode, the piston (1 c) is placed in the oil cylinder barrels, the spring groups (1 b) are sleeved on the piston (1 c), one end of each brake unit acts on the end cover (1 a), the other end of each brake unit directly acts on the piston (1 c), the piston sealing pieces (1 f) and the piston rod sealing pieces (1 d) are arranged at positions, which are in contact with the oil cylinder barrels, respectively, so that a closed oil cavity is formed, the adjusting rod (1 e) is connected with the piston (1 c) through threads, and the adjusting rod (1 e) is connected with the gasket (3) through the gasket fixing bolt (1 g); the clamp body (2), the middle plate (11) and the passive side clamp body (10) are fixed together through bolts and are sleeved on the guide post (8), and the guide post (8) is fixed on the mounting base plate (9).

3. A multi-point brake hydraulic disc brake according to claim 1 or 2, characterized in that: the clamp is characterized in that two ends of the pad (3) are provided with pad baffles (4), and the pad baffles (4) are fixed on the clamp body (2) in a key connection mode.