Mechanical brake

Abstract

The utility model discloses a mechanical brake, which relates to the field of brakes, and is characterized in that a brake disc is mounted below a first fixed flange, a shaft sleeve is mounted in the brake disc, a brake plate is mounted below the brake disc, and an elastic sliding mechanism which abuts against the brake disc is mounted below the brake plate; the elastic sliding mechanism comprises a fixed base, and the braking vane is slidably installed in the fixed base. According to the mechanical brake, when a machine needs to be braked, firstly, a pull rod is rotated along the interior of a second fixing flange, a positioning column fixed together with the pull rod in a rotating mode synchronously moves, and the positioning column moves to drive a driven fixing rod to rotate; the semicircular abutting block making contact with the lower end of the driven fixing rod loosens along with rotation of the driven fixing rod, the brake auxiliary spring releases elastic potential energy to bounce the semicircular abutting block so that the brake disc can be abutted to increase extrusion friction force, and braking operation is more convenient and stable through the design.

Description

TECHNICAL FIELD

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

[0002] With the automatic driving level to L4 level and above high level, the brake system of the car is put forward higher requirement, the actuator of automatic driving vehicle also cannot adopt the driver as redundancy, in order to guarantee the safety performance of unmanned vehicle, while considering the complexity of system and the space arrangement in the car, using linear control brake instead of traditional brake system is the inevitable trend.

[0003] Many in-car spaces are limited, so the size of permanent magnet motor is limited, and the power is not high, which finally leads to insufficient braking force; if the motor power is met, a 48V power supply is needed, and the working environment temperature of the brake is relatively high, and the motor needs to work in a high-temperature environment for a long time, so the high-temperature resistance is required.

[0004] In order to overcome the above defects, the prior art (publication number: CN118532412A, application date: June 25, 2024 Chinese patent) discloses a linear control mechanical brake, belonging to the field of automobile. It solves the problems of heavy weight, slow response speed, difficult arrangement, assembly and maintenance of traditional brake system. It comprises a caliper body, a slidingly arranged on the caliper seat, a caliper seat provided with two oppositely arranged friction blocks, a rotating end of the motor connected with the input end of the cycloid disc reduction assembly through an eccentric shaft; a locking ring; a cylindrical cam shaft, one end coaxially arranged in the locking ring and provided with a protrusion corresponding to all the movable blocks; a top rod roller, coaxially arranged with the cylindrical cam shaft and matched with the driving sliding groove, the motor rotates to drive the eccentric shaft to rotate, and the cylindrical cam shaft rotates through the driving sliding groove to drive the top rod roller to push the corresponding side friction block to compress the brake disc, and the reaction force drives the caliper body to compress the friction block on the other side, so that the two friction blocks compress the brake disc. It is mainly used for vehicle braking.

[0005] Although the existing design can solve the above problems, the mechanical brake design is too complex, which is not convenient for maintenance and disassembly when a fault occurs, the working stability is insufficient, and the brake mode applicability is insufficient, so it cannot be well applied in different machines. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a mechanical brake to solve the problem of the above background technology that the mechanical brake design is too complex, which is not convenient for maintenance and disassembly when a fault occurs, the working stability is insufficient, and the brake mode applicability is insufficient, so it cannot be well applied in different machines.

[0007] In order to achieve the above object, the utility model provides following technical scheme: a mechanical brake, the first fixed flange below is installed with the brake disc, and the inside of brake disc is installed with the shaft sleeve, the brake disc below is installed with the brake plate, and the lower surface of brake plate is installed with the elastic sliding mechanism that rubs to brake disc, the elastic sliding mechanism includes fixed base, and the inside of fixed base is slidably installed with brake plate, the lower surface of brake plate is installed with brake auxiliary spring, and the top of brake auxiliary spring is installed with semicircle rubbing block, the top of semicircle rubbing block rubs to the lower surface of brake plate, and the side surface of brake auxiliary spring is installed with driven fixed link, and the lower surface of driven fixed link is installed with locating post, the bottom of fixed base is passed through locating post, and the top of locating post is fixedly installed with driven fixed link.

[0008] Further, the nested elastic mechanism includes a nested fixed plate, and the nested fixed plate is fixedly installed on the lower surface of the pull rod, a nested inner groove is formed in the bottom of the nested fixed plate, and a connecting protrusion is installed in the inner part of the nested inner groove, a sliding rubbing rod is installed above the connecting protrusion, and a rubbing installation sleeve is installed on the outer surface of the sliding rubbing rod.

[0009] Further, an extrusion supporting spring is installed above the sliding rubbing rod, the upper end of the extrusion supporting spring is fixedly installed on the inner surface of the top of the rubbing installation sleeve, a sliding inner groove is formed in the outer surface of the rubbing installation sleeve, and the sliding rubbing rod slides along the inner part of the sliding inner groove, the rubbing installation sleeve is fixedly installed on the lower surface of the second fixed flange, and a fixed bolt is installed in the inner part of the second fixed flange.

[0010] Further, the locating post is rotatably installed on the bottom of the fixed base, the rotation direction of the driven fixed link rubs against the top end of the brake auxiliary spring, the shaft sleeve is nestedly installed in the inner part of the brake disc, and the bottom of the brake auxiliary spring is fixedly installed in the inner part of the fixed base.

[0011] Further, the driven fixed link and the locating post are designed in an integrated manner, the brake auxiliary spring and the semicircle rubbing block are designed in an integrated manner, and the lower surface of the brake plate and the top of the brake auxiliary spring are in contact to form an elastic structure.

[0012] Further, the brake disc is nestedly installed on the lower surface of the first fixed flange, the locating post contacts the semicircle rubbing block through the rotation track of the driven fixed link to form a transmission structure, and the inner part of the fixed base and the outer surface of the locating post are in contact to form a sliding structure.

[0013] Further, the left and right side surfaces of the sliding rubbing rod and the inner surface of the sliding inner groove are in contact to form a sliding structure, and the sliding rubbing rod and the connecting protrusion are designed in an integrated manner.

[0014] Compared with the prior art, the mechanical brake has the advantages that when braking operation of the mechanical device is needed, the pull rod is first rotated along the second fixed flange, the positioning column fixed together with the pull rod is moved synchronously, the movement of the positioning column drives the driven fixed rod to rotate, the semicircular abutting block at the lower end of the driven fixed rod is loosened, the brake auxiliary spring releases the elastic potential energy to make the semicircular abutting block pop up to increase the extrusion friction force of the brake disc, and the design makes the braking operation more convenient and stable.

[0015] Further, in order to prevent the misoperation in unnecessary cases, before use, the abutting mounting sleeve extrudes and slides the sliding abutting rod upwards along the bottom, the extrusion supporting spring is abutted and shrunk, the movement of the sliding abutting rod drives the synchronous movement of the connecting protrusion, the movement of the connecting protrusion leaves the nested inner groove to make the embedded fixed plate loose, and the rotation operation of the pull rod is facilitated.

[0016] Further, the abutting mounting sleeve and the embedded fixed plate are fixedly connected with the pull rod and the second fixed flange respectively, and the fixed bolt directly fixes the first fixed flange and the second fixed flange to ensure the stable installation of the braking device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first fixed flange three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is an embedded fixed plate three-dimensional structure schematic view of the utility model;

[0019] Figure 3 It is a shaft sleeve three-dimensional structure schematic view of the utility model;

[0020] Figure 4 It is a fixed base three-dimensional structure schematic view of the utility model;

[0021] Figure 5 It is a fixed bolt three-dimensional structure schematic view of the utility model;

[0022] Figure 6 It is a sliding abutting rod three-dimensional structure schematic view of the utility model.

[0023] In the drawing: 1, first fixed flange; 2, shaft sleeve; 3, brake disc; 4, fixed base; 5, pull rod; 6, second fixed flange; 7, fixed bolt; 8, abutting mounting sleeve; 9, sliding abutting rod; 10, embedded fixed plate; 11, brake plate; 12, brake auxiliary spring; 13, semicircular abutting block; 14, driven fixed rod; 15, positioning column; 16, sliding inner groove; 17, extrusion supporting spring; 18, nested inner groove; 19, connecting protrusion. DETAILED DESCRIPTION

[0024] 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 scope of the utility model.

[0025] Embodiment one: please refer to Figures 1-6 The utility model provides the following technical scheme: a mechanical brake, including first fixed flange 1, shaft sleeve 2 and connecting boss 19, the lower portion of first fixed flange 1 is installed with brake disc 3, and the inside of brake disc 3 is installed with shaft sleeve 2, the lower portion of brake disc 3 is installed with brake plate 11, and the lower portion of brake plate 11 is installed with the elastic sliding mechanism that is in contact with brake disc 3, elastic sliding mechanism includes fixed base 4, and brake plate 11 slidingly installed in the inside of fixed base 4, the lower portion of brake plate 11 is installed with brake auxiliary spring 12, and the top of brake auxiliary spring 12 is installed with semicircle contact block 13, the top of semicircle contact block 13 is in contact with the lower surface of brake plate 11, and the side of brake auxiliary spring 12 is installed with driven fixed link 14, and the lower surface of driven fixed link 14 is installed with locating column 15, locating column 15 passes through the bottom of fixed base 4, and driven fixed link 14 is fixedly installed on the top of locating column 15;The lower portion of locating column 15 is installed with pull rod 5, and the lower portion of pull rod 5 is installed with the nesting elastic mechanism that is fixed with second fixed flange 6.

[0026] As Figure 1 , Figure 3 , Figure 4 The technical scheme shown in the drawings is disclosed to solve the problem of complex design and insufficient applicability of the existing brake, wherein the locating column 15 is rotatably installed at the bottom of the fixed base 4, the rotating direction of the driven fixed link 14 is in contact with the top end of the brake auxiliary spring 12, the shaft sleeve 2 is nestedly installed inside the brake disc 3, the bottom of the brake auxiliary spring 12 is fixedly installed inside the fixed base 4, the driven fixed link 14 and the locating column 15 are designed in an integrated manner, the brake auxiliary spring 12 and the semicircle contact block 13 are designed in an integrated manner, the lower surface of the brake plate 11 is in contact with the top of the brake auxiliary spring 12 to form an elastic structure, the brake disc 3 is nestedly installed at the lower surface of the first fixed flange 1, the locating column 15 is in contact with the semicircle contact block 13 through the rotating track of the driven fixed link 14 to form a transmission structure, and the inside of the fixed base 4 is in contact with the outer surface of the locating column 15 to form a sliding structure.

[0027] When the brake operation of the whole device is needed, the pull rod 5 installed above the second fixed flange 6 is first rotated along the inside of the second fixed flange 6, and since the positioning column 15 is fixedly installed on the upper surface of the pull rod 5, the positioning column 15 rotates synchronously, and when the positioning column 15 rotates, the fixedly installed driven fixed rod 14 on the top also rotates synchronously, and since the second fixed flange 6 is fixedly installed above the fixed base 4, and the positioning column 15 is rotatably installed inside the fixed base 4, the driven fixed rod 14 swings inside the fixed base 4, and with the swinging of the driven fixed rod 14, the semicircular abutting block 13 abutting the lower surface of the driven fixed rod 14 is loosened, and the brake auxiliary spring 12 fixedly installed on the lower surface of the semicircular abutting block 13 is also released to lift the semicircular abutting block 13, and the semicircular abutting block 13 abuts the brake plate 11, and since the brake plate 11 is slidably installed above the fixed base 4, the brake plate 11 is lifted by the semicircular abutting block 13 to the top end, and since the brake disc 3 is fixedly installed on the upper surface of the brake plate 11, the brake disc 3 is driven to move synchronously, and the shaft sleeve 2 nested in the inside of the brake disc 3 is also driven to abut upward, and when the brake operation is not needed, the pull rod 5 is swung in the opposite direction to make the driven fixed rod 14 rotate in the opposite direction again, and during the rotation, the driven fixed rod 14 abuts the brake auxiliary spring 12 again through the semicircular abutting block 13 to complete the contraction of the brake disc 3 and the brake plate 11, and the brake plate 11 can be restored to the loosened state.

[0028] As Figure 2 , Figure 5 , Figure 6 indicated in the technical scheme, in order to solve the problem that the existing design may cause accidental touch and accidents, the nested elastic mechanism is disclosed, which comprises a nested fixed plate 10, and the nested fixed plate 10 is fixedly installed on the lower surface of the pull rod 5, the bottom of the nested fixed plate 10 is provided with a nested inner groove 18, and the nested inner groove 18 is provided with a connecting protrusion 19, the upper surface of the connecting protrusion 19 is provided with a sliding abutting rod 9, and the outer surface of the sliding abutting rod 9 is provided with an abutting mounting sleeve 8, the upper end of the sliding abutting rod 9 is provided with an extrusion supporting spring 17, and the upper end of the extrusion supporting spring 17 is fixedly installed on the inner surface of the top of the abutting mounting sleeve 8, the outer surface of the abutting mounting sleeve 8 is provided with a sliding inner groove 16, and the sliding abutting rod 9 slides along the inside of the sliding inner groove 16, the abutting mounting sleeve 8 is fixedly installed on the lower surface of the second fixed flange 6, and the second fixed flange 6 is provided with a fixed bolt 7, the left and right sides of the sliding abutting rod 9 are in contact with the inner surface of the sliding inner groove 16 to form a sliding structure, and the sliding abutting rod 9 and the connecting protrusion 19 are designed in one piece.

[0029] In order to prevent the brake operation from being triggered by mistake, when the brake operation is needed, the sliding contact lever 9 is first slid upward along the bottom of the contact mounting sleeve 8, and when the sliding contact lever 9 slides upward along the sliding inner groove 16 formed on the outer surface of the contact mounting sleeve 8, the sliding contact lever 9 simultaneously extrudes the extrusion support spring 17 on the upper surface, and since the top end of the extrusion support spring 17 is fixedly installed on the inner surface top of the contact mounting sleeve 8, the extrusion support spring 17 is contracted upward, and when the sliding contact lever 9 slides upward, the connecting lug 19 fixedly installed on the lower surface of the sliding contact lever 9 also moves upward, and the upward movement of the connecting lug 19 is separated from the nested inner groove 18 formed on the lower surface of the embedded fixed plate 10, the connecting lug 19 and the nested inner groove 18 are nestedly installed, and the nested inner groove 18 is formed at the corresponding position of the movement track of the connecting lug 19, since the embedded fixed plate 10 is fixedly installed on the lower surface of the pull rod 5, and the contact mounting sleeve 8 is fixedly installed on the lower surface of the second fixed flange 6, the nested installation of the nested inner groove 18 and the connecting lug 19 makes the pull rod 5 and the second fixed flange 6 fixedly connected and locked, and the fixed bolt 7 fixedly installed in the second fixed flange 6 simultaneously fixes the first fixed flange 1, thereby ensuring the stability of the brake.

[0030] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A mechanical brake, comprising a first fixed flange (1), a shaft sleeve (2) and a connecting lug (19); characterized in that A brake disc (3) is installed below the first fixed flange (1), and the shaft sleeve (2) is installed inside the brake disc (3); a brake plate (11) is installed below the brake disc (3), and an elastic sliding mechanism for abutting against the brake disc (3) is installed below the brake plate (11); the elastic sliding mechanism comprises a fixed base (4), and the brake plate (11) is slidingly installed inside the fixed base (4); a brake auxiliary spring (12) is installed below the brake plate (11), and a semicircular abutting block (13) is installed on the top of the brake auxiliary spring (12); the top of the semicircular abutting block (13) abuts against the lower surface of the brake plate (11); a driven fixed rod (14) is installed on the side of the brake auxiliary spring (12), and a positioning column (15) is installed on the lower surface of the driven fixed rod (14); the positioning column (15) penetrates through the bottom of the fixed base (4), and the driven fixed rod (14) is fixedly installed on the top of the positioning column (15); a pull rod (5) is installed below the positioning column (15), and a nested elastic mechanism for fixing a second fixed flange (6) is installed below the pull rod (5).

2. A mechanical brake according to claim 1, characterized in that: The nested elastic mechanism comprises a nested fixed plate (10), and the nested fixed plate (10) is fixedly installed on the lower surface of the pull rod (5); the bottom of the nested fixed plate (10) is provided with a nested inner groove (18), and the nested inner groove (18) is installed with the connecting lug (19); the upper side of the connecting lug (19) is installed with a sliding abutting rod (9), and the outer surface of the sliding abutting rod (9) is installed with an abutting mounting sleeve (8).

3. A mechanical brake according to claim 2, characterised in that: The upper side of the sliding abutting rod (9) is installed with an extrusion supporting spring (17), and the upper end of the extrusion supporting spring (17) is fixedly installed on the inner surface of the top of the abutting mounting sleeve (8); the outer surface of the abutting mounting sleeve (8) is provided with a sliding inner groove (16), and the sliding abutting rod (9) slides along the inner part of the sliding inner groove (16); the abutting mounting sleeve (8) is fixedly installed on the lower surface of the second fixed flange (6), and the second fixed flange (6) is installed with a fixed bolt (7) inside.

4. A mechanical brake according to claim 1, characterized in that: The positioning column (15) is rotationally installed on the bottom of the fixed base (4), and the rotation direction of the driven fixed rod (14) abuts against the top end of the brake auxiliary spring (12); the shaft sleeve (2) is nestedly installed inside the brake disc (3), and the bottom of the brake auxiliary spring (12) is fixedly installed inside the fixed base (4).

5. A mechanical brake according to claim 1, characterized in that: The driven fixed rod (14) and the positioning column (15) are designed in an integrated manner, the brake auxiliary spring (12) and the semicircular abutting block (13) are designed in an integrated manner, and the lower surface of the brake plate (11) and the top of the brake auxiliary spring (12) are in contact to form an elastic structure.

6. A mechanical brake according to claim 1, characterized in that: The brake disc (3) is nested on the lower surface of the first fixed flange (1), the positioning column (15) contacts the semicircular abutting block (13) through the rotating track of the driven fixed rod (14) to form a transmission structure, and the inner portion of the fixed base (4) contacts the outer surface of the positioning column (15) to form a sliding structure.

7. A mechanical brake according to claim 3, characterized in that: The left and right side surfaces of the sliding abutting rod (9) contact the inner surfaces of the sliding inner grooves (16) to form a sliding structure, and the sliding abutting rod (9) and the connecting protrusion (19) are designed in an integral manner.

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