Novel spring brake

Abstract

The utility model discloses a novel spring brake and relates to the technical field of brakes, the novel spring brake comprises an assembling shell, a brake friction plate and a brake disc, and further comprises a brake assembly and a locking assembly, a shaft sleeve is installed in the middle of the assembling shell, and a plurality of spring barrels where brake springs are placed are installed in the assembling shell; the brake assembly comprises a transmission disc, and the transmission disc is provided with a brake pin and a transmission rod. The locking assembly comprises an installation annular plate, a locking pin is arranged at the bottom of the installation annular plate, and the installation annular plate and the assembly shell are both provided with corresponding fixing holes. The brake assembly, the locking assembly for locking the brake and the friction plate are installed in the assembly shell in an assembly mode, and the assembly shell and the locking assembly can be fixed only through the fixing holes after being connected; wherein the locking assembly and the braking assembly are in independent modular design and can be independently disassembled, so that all parts in the spring brake can be conveniently disassembled, assembled and replaced, and the maintenance and replacement efficiency of the brake is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of brake, concretely is a novel spring brake. BACKGROUND

[0002] Spring brake is a common mechanical brake device, is widely used in various mechanical equipment and vehicles, and its working principle is to utilize the spring elasticity to generate brake force, thereby realizing brake.

[0003] Spring brake is usually composed of spring, brake disc, brake friction piece, when spring is in the relaxation state, brake does not work, when needing to brake, makes spring tight through mechanical or hydraulic system, and the spring elasticity acts on brake friction piece, makes it contact with brake disc, thereby generating brake force.

[0004] In order to ensure the normal operation of spring brake, it needs to be checked and maintained regularly, including checking the elasticity of spring, the wear condition of brake friction piece, the components in the existing spring brake are usually fixed with screws, multiple components are installed closely, and in the brake in which spring is fixed by hydraulic system, spring is usually directly installed on hydraulic rod, which is inconvenient to replace spring, brake locking system and friction piece, and affects the efficiency of brake maintenance and replacement. UTILITY MODEL CONTENTS

[0005] The utility model provides a novel spring brake, has the advantage that each component in brake is independently modularized design and is convenient to disassemble and replace, to solve the problem that each component in the existing spring brake is connected closely and is inconvenient to disassemble and replace.

[0006] To achieve the above object, the utility model provides the following technical scheme: a novel spring brake, including assembly shell, brake friction piece and brake disc, still including brake assembly and locking assembly, wherein:

[0007] The middle part of assembly shell is installed with shaft sleeve, and a plurality of spring barrels with brake spring are installed in assembly shell;

[0008] The brake assembly includes transmission disc slidingly connected in assembly shell, and the transmission disc is installed with brake pin and transmission rod for braking;

[0009] The locking assembly includes mounting ring plate movably connected in assembly shell, and the bottom of mounting ring plate is provided with a plurality of locking pins for locking transmission disc, and assembly shell and mounting ring plate are each provided with corresponding fixed holes;

[0010] Spring brake piece is rotatably connected to the outer wall of shaft sleeve.

[0011] As a preferred technical scheme of the utility model, the installation ring plate is internally provided with a locking bin, a fixed electromagnetic plate is installed at an upper position in the locking bin, a movable electromagnetic plate is movably connected in the locking bin, a locking pin extending to the bottom of the installation ring plate through a through hole is installed at the bottom of the movable electromagnetic plate, and the locking pin cooperates with the transmission disc.

[0012] As a preferred technical scheme of the utility model, the installation ring plate is internally provided with a locking bin, the locking bin is a closed hydraulic bin, a ring-shaped piston plate is movably connected in the locking bin, a locking pin extending to the bottom of the installation ring plate through a through hole is installed at the bottom of the ring-shaped piston plate, and the locking pin cooperates with the transmission disc.

[0013] As a preferred technical scheme of the utility model, a plurality of transmission holes arranged in a ring shape are arranged on the outer side of the installation ring plate, and the transmission rod contacts the bottom of the brake friction plate through the transmission hole.

[0014] As a preferred technical scheme of the utility model, a plurality of brake pins are fixed at the bottom of the transmission disc, the brake pins movably connect and fit with the spring barrel, the brake pins cooperate with the brake spring, a plurality of transmission rods are installed on the upper end of the transmission disc, the transmission rods cooperate with the friction brake sheet, and the friction brake sheet cooperates with the brake disc.

[0015] As a preferred technical scheme of the utility model, a plurality of clamping grooves are formed in the outer wall of the spring barrel, a plurality of positioning wing plates movably connected with the clamping grooves and corresponding to the clamping grooves are installed on the outer wall of the brake pin, a plurality of positioning grooves are installed at the bottom of the transmission disc, a plurality of positioning plates are installed on the inner bottom surface of the assembly shell, and the positioning plates movably connect and cooperate with the positioning grooves.

[0016] As a preferred technical scheme of the utility model, a plurality of positioning sliding grooves are arranged on the inner wall of the assembly shell, a plurality of positioning sliding teeth corresponding to the positioning sliding grooves are fixed on the outer wall of the transmission disc, the positioning sliding teeth are slidably connected with the positioning sliding grooves, and the assembly shell and the annular installation plate are respectively provided with a connecting pipe and an access pipe.

[0017] Compared with the prior art, the utility model provides a novel spring brake, which has the following beneficial effects:

[0018] The brake assembly, the locking assembly for locking and braking, and the friction sheet are assembled in the assembly shell, and the assembly shell and the locking assembly are connected through the fixing hole, and then fixed, wherein the locking assembly and the brake assembly are independently modularized, and can be independently removed without affecting the braking cooperation and the locking cooperation, so that the spring, the friction sheet, the locking device and the brake assembly in the spring brake can be conveniently disassembled and replaced, and the efficiency of brake maintenance and replacement is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure perspective view of the utility model;

[0020] Figure 2 It is the explosion view of the utility model;

[0021] Figure 3 It is the brake assembly structure schematic view of the utility model;

[0022] Figure 4 It is the inside structure view of the assembly shell of the utility model;

[0023] Figure 5 It is the spring cylinder structure schematic view of the utility model;

[0024] Figure 6 It is the inside cross section view of the utility model;

[0025] Figure 7 It is the split cross section view of the locking assembly in the embodiment one of the utility model;

[0026] Figure 8 It is the split cross section view of the locking assembly in the embodiment two of the utility model.

[0027] In the drawing: 1, assembly shell;11, fixed hole;12, access pipe;13, shaft sleeve;14, positioning sliding groove;15, spring cylinder;151, clamping groove;16, brake spring;17, positioning plate;2, brake assembly;21, transmission disc;22, transmission rod;23, positioning sliding tooth;24, positioning groove;25, brake pin;26, positioning wing plate;3, locking assembly;31, mounting ring plate;32, locking bin;33, connecting pipe;34, movable electromagnetic plate;341, locking pin;35, annular piston plate;36, transmission hole;37, through hole;38, fixed electromagnetic plate;4, brake friction plate;5, brake disc. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0029] Please refer to the drawings in the embodiments of the utility model, Figures 1-7 The utility model discloses a novel spring brake, including assembly shell 1, brake friction plate 4 and brake disc 5, still including brake assembly 2 and locking assembly 3, wherein:

[0030] The shaft sleeve 13 is installed in the middle of the assembling shell 1, and a plurality of spring barrels 15 in which the brake springs 16 are placed are installed in the assembling shell 1;

[0031] The brake assembly 2 comprises a transmission disc 21 which is slidingly connected in the assembling shell 1, and the brake pin 25 for braking and the transmission rod 22 are installed on the transmission disc 21;

[0032] The locking assembly 3 comprises a mounting ring plate 31 which is movably connected in the assembling shell 1, and a plurality of locking pins 341 for locking the transmission disc 21 are arranged at the bottom of the mounting ring plate 31, and the mounting ring plate 31 and the assembling shell 1 are both provided with corresponding fixing holes 11;

[0033] The spring brake piece is rotationally connected to the outer wall of the shaft sleeve 13.

[0034] Please refer to the accompanying drawings Figure 7 The locking bin 32 is arranged in the mounting ring plate 31, the fixed electromagnetic plate 38 is installed at the upper position in the locking bin 32, the movable electromagnetic plate 34 is movably connected in the locking bin 32, the locking pin 341 which extends to the bottom of the mounting ring plate 31 through the through hole 37 is installed at the bottom of the movable electromagnetic plate 34, the locking pin 341 cooperates with the transmission disc 21, a plurality of transmission holes 36 which are arranged in a ring shape are arranged on the outer side of the mounting ring plate 31, and the transmission rod 22 passes through the transmission hole 36 and contacts the bottom of the brake friction piece 4.

[0035] The access pipe 12 which penetrates through the outer wall of the assembling shell 1 is installed, the connecting pipe 33 which is connected with the locking bin 32 is installed on the outer wall of the ring-shaped mounting plate, the connecting pipe 33 cooperates with the access pipe 12, the start-stop line of the fixed electromagnetic plate 38 is connected with the external equipment from the access pipe 12 and the connecting pipe 33, and the line is connected with the movable electromagnetic plate 34 and the fixed electromagnetic plate 38.

[0036] Specifically, when the fixed electromagnetic plate 38 is electrified, the fixed electromagnetic plate 38 is repelled from the iron plate by controlling the current direction, the movable electromagnetic plate 34 drives the locking pin 341 to move downward and press the transmission disc 21, and the transmission disc 21 compresses the spring.

[0037] Please refer to the accompanying drawings Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 The brake pin 25 is movably connected with the spring barrel 15 and fits, the brake pin 25 cooperates with the brake spring 16, a plurality of transmission rods 22 are installed on the upper end of the transmission disc 21, the transmission rod 22 cooperates with the friction brake piece, and the friction brake piece cooperates with the brake disc 5.

[0038] Specifically, when the locking pin 341 is not pressed on the transmission disc 21, the brake spring 16 pushes the brake pin 25 upwards, the brake pin 25 pushes the transmission disc 21 upwards, the transmission disc 21 drives the transmission column to move upwards, the brake friction plate 4 is pushed upwards to make contact with the brake disc 5 to brake.

[0039] Please refer to the attached Figure 5 、 Figure 6 The outer wall of the spring barrel 15 is provided with a plurality of clamping grooves 151, the outer wall of the brake pin 25 is provided with a plurality of corresponding positioning wing plates 26 which are movably connected with the clamping grooves 151, the bottom of the transmission disc 21 is provided with a plurality of positioning grooves 24, and the inner bottom surface of the assembly shell 1 is provided with a plurality of positioning plates 17 which are movably connected with the positioning grooves 24.

[0040] Specifically, by sliding the positioning wing plates 26 and the positioning plates 17 in the clamping grooves 151 and the positioning grooves 24, the transmission disc 21 can be positioned when it is installed, so that the brake pin 25 on the transmission disc 21 is aligned with the spring barrel 15.

[0041] Please refer to the attached Figure 3 、 Figure 4 The inner wall of the assembly shell 1 is provided with a plurality of positioning sliding grooves 14, and the outer wall of the transmission disc 21 is fixedly provided with a plurality of positioning sliding teeth 23 which correspond to the positioning sliding grooves 14, and the positioning sliding teeth 23 are slidably connected with the positioning sliding grooves 14.

[0042] Specifically, by sliding the positioning sliding teeth 23 in the positioning sliding grooves 14, the transmission disc 21 can be kept vertical when it is lifted during braking, so as to avoid the transmission disc 21 being tilted and causing the brake pin 25 to be tilted and stuck in the spring barrel 15, resulting in brake failure. Example two

[0043] Based on the above-mentioned example one, the internal structure of the installation ring plate 31 which drives the locking pin 341 in the locking assembly 3 of example one is replaced, please refer to the attached Figure 7 The installation ring plate 31 is provided with a locking bin 32, the locking bin 32 is a closed hydraulic bin, the locking bin 32 is movably connected with a ring-shaped piston plate 35, the ring-shaped piston plate 35 is sealed with the inner wall of the locking bin 32, the bottom of the ring-shaped piston plate 35 is provided with a locking pin 341 which extends to the bottom of the installation ring plate 31 through a through hole 37, the locking pin 341 cooperates with the transmission disc 21, the connecting pipe 33 and the connecting pipe 12 are integrated pipes, which are screwed on the outer wall of the ring-shaped installation plate by threads, and the hydraulic pipeline is connected to the outer end of the connecting pipe 33 through a joint.

[0044] In the embodiment, the locking bin 32 is driven by hydraulic pressure to move the annular piston plate 35 downward, and then the locking pin 341 is driven to move downward to press and lock the transmission disc 21. Compared with the first embodiment, the difference is only the replacement of the internal components of the locking bin 32, and the shape and size of the annular mounting plate are not changed.

[0045] The working principle and use process of the utility model are as follows: when not braking, under the action of the electromagnetic system or the hydraulic system, the locking pin 341 is pressed downward to drive the transmission disc 21 to move downward and press the transmission disc 21, so that the transmission disc 21 is pressed tightly by the brake spring 16. At this time, the top of the friction brake piece is not in contact with the brake disc 5. When braking, the electromagnetic system or the hydraulic system is controlled to release the locking pin 341. At this time, the brake spring 16 lifts the brake pin 25 upward, the brake pin 25 lifts the transmission disc 21 upward, the transmission disc 21 drives the transmission column to move upward to lift the brake friction piece 4 upward to make it contact with the brake disc 5 to brake;

[0046] When disassembling, the screw in the fixing hole 11 is screwed out, the brake disc 5 is disassembled, the friction brake piece can be directly taken out, then the annular mounting plate is taken out upward, the transmission disc 21 is taken out upward, the bottom surface of the assembly shell 1 is exposed, at this time, the brake spring 16 in the spring barrel 15 can be taken out for maintenance and replacement;

[0047] When assembling, the brake spring 16 is put into the spring barrel 15, then the positioning plate 17 on the transmission disc 21 is aligned with the positioning slide gear 23, the positioning slot 24 and the positioning slide groove 14 on the assembly shell 1, the transmission disc 21 is put into the assembly shell 1, then the side with the locking pin 341 on the annular mounting plate is downward, the position of the annular mounting plate is adjusted to make the transmission hole 36 on the annular mounting plate align with the transmission rod 22 on the transmission disc 21, the transmission rod 22 passes through the transmission hole 36 and the annular mounting plate is put into the assembly shell 1, finally, the brake friction piece 4 is sleeved on the shaft sleeve 13, the brake disc 5 is assembled, and the assembly is completed.

Claims

1. A new type of spring brake comprising an assembly housing (1), a brake friction plate (4) and a brake disc (5), characterized in that, Also include brake assembly (2) and locking assembly (3), wherein: The middle of the assembly shell (1) is provided with a shaft sleeve (13), a plurality of spring barrels (15) are installed in the assembly shell (1), and a brake spring (16) is arranged in the spring barrel (15); The brake assembly (2) comprises a transmission disc (21) slidably connected in the assembly shell (1), the transmission disc (21) is provided with a brake pin (25) for braking and a transmission rod (22); The locking assembly (3) comprises a mounting ring plate (31) movably connected in the assembly shell (1), the bottom of the mounting ring plate (31) is provided with a plurality of locking pins (341) for locking the transmission disc (21), and the mounting ring plate (31) and the assembly shell (1) are provided with corresponding fixing holes (11); The spring brake piece is rotatably connected to the outer wall of the shaft sleeve (13).

2. A new type of spring brake according to claim 1, characterized in that: The mounting ring plate (31) is provided with a locking bin (32), the locking bin (32) is provided with a fixed electromagnetic plate (38) at the upper position, the locking bin (32) is movably connected with a movable electromagnetic plate (34), the bottom of the movable electromagnetic plate (34) is provided with a locking pin (341) extending to the bottom of the mounting ring plate (31) through a through hole (37), and the locking pin (341) cooperates with the transmission disc (21).

3. A new type of spring brake according to claim 1 characterized by: The mounting ring plate (31) is provided with a locking bin (32), the locking bin (32) is a closed hydraulic bin, the locking bin (32) is movably connected with a ring-shaped piston plate (35), the bottom of the ring-shaped piston plate (35) is provided with a locking pin (341) extending to the bottom of the mounting ring plate (31) through a through hole (37), and the locking pin (341) cooperates with the transmission disc (21).

4. A new type of spring brake according to claim 2 or 3, characterized in that: The outer side of the mounting ring plate (31) is provided with a plurality of annularly arranged transmission holes (36), the transmission rod (22) passes through the transmission hole (36) and contacts the bottom of the brake friction plate (4).

5. A novel spring brake according to claim 4, characterized in that: The bottom of the transmission disc (21) is fixed with a plurality of brake pins (25), the brake pins (25) are movably connected with the spring barrels (15) and are matched, the brake pins (25) cooperate with the brake springs (16), a plurality of transmission rods (22) are installed on the upper end of the transmission disc (21), the transmission rods (22) cooperate with the friction brake pieces, and the friction brake pieces cooperate with the brake disc (5).

6. A novel spring brake according to claim 5, characterized in that: The outer wall of the spring barrel (15) is provided with a plurality of clamping grooves (151), the outer wall of the brake pin (25) is provided with a plurality of positioning wing plates (26) movably connected with the clamping grooves (151) and corresponding, the bottom of the transmission disc (21) is provided with a plurality of positioning grooves (24), the inner bottom surface of the assembly shell (1) is provided with a plurality of positioning plates (17), and the positioning plates (17) are movably connected with the positioning grooves (24) and cooperate.

7. A new type of spring brake according to claim 6, characterized in that: The inner wall of the assembly shell (1) is provided with a plurality of positioning sliding grooves (14), the outer wall of the transmission disc (21) is fixed with a plurality of positioning sliding teeth (23) corresponding to the positioning sliding grooves (14), the positioning sliding teeth (23) are slidably connected with the positioning sliding grooves (14), and the assembly shell (1) and the annular mounting plate are respectively provided with a connecting pipe (33) and an access pipe (12).

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