Speed reducer capable of emergency braking

Abstract

The utility model relates to the technical field of speed reducers, and discloses a speed reducer capable of braking emergently, which comprises a speed reducer body and a base, the bottom of the speed reducer body is fixed on the top of the base, and a rotating shaft is fixed on an output shaft of the speed reducer body. When the brake clamping block is used for a long time and needs to be replaced, the baffle is pressed, the position of the through hole is parallel to the sliding rod, meanwhile, the movable hole is parallel to the L-shaped rod, normal movement of the sliding rod and the L-shaped rod is not affected, at the moment, the L-shaped rod is pulled, the clamping block is separated from the clamping groove, limiting of the brake clamping block is relieved, the brake clamping block is taken out for replacement, and rapid disassembly and assembly are achieved. The L-shaped rod can be limited by inserting the brake clamping block into the moving block, enabling the clamping block to enter the clamping groove and pulling the baffle, enabling the position of the through hole to be staggered with the sliding rod and enabling the position of the moving hole to be staggered with the L-shaped rod, so that the situation that the clamping block is separated from the clamping groove when the L-shaped rod is accidentally touched during installation can be avoided, and rapid installation is facilitated.

Description

TECHNICAL FIELD

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

[0002] Speed reducer is a kind of independent component by being enclosed in rigid shell gear drive, worm drive, gear-worm drive, is commonly used as the speed reduction transmission device between prime mover and working machine, is widely used in modern machinery.

[0003] According to the emergency brake type speed reducer (public number: CN218152251U) of one kind of public display, when the brake pad needs to be replaced in the above-mentioned application, the bolt needs to be twisted, the bolt will gradually move away from the inside of limit slot, the bolt will gradually move out of the inside of arc-shaped clamping block, then reach the effect of convenient replacement.

[0004] But in the above-mentioned application, when actually replacing, since the space in brake box is relatively narrow, tool is difficult to extend, leading to the process of dismounting and installing cumbersome, maintenance efficiency is low, brake pad needs to be dismounted one by one each time, not only increase maintenance time, but also possibly cause bolt to slide silk or damage due to inconvenient operation. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of speed reducer of emergency brake to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of speed reducer of emergency brake, including speed reducer body and base, the bottom of the speed reducer body is fixed at the top of base, the output shaft of the speed reducer body is fixed with rotating shaft, the surface of the base is provided with brake assembly and docking assembly, the brake assembly includes: moving block, brake clamp block;

[0007] The docking assembly includes:

[0008] Clamping groove, clamping groove is used to cooperate with clamping block to facilitate installation and dismounting;

[0009] L-shaped rod, L-shaped rod is used to release the limit of clamping groove and clamping block;

[0010] Limiting piece, limiting piece is used to avoid accidental clamping block from separating from clamping groove.

[0011] Preferably, the clamping groove is arranged on the surface of the brake block, the surface of the moving block is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a clamping block, the surface of the clamping block is fixedly connected with a spring, the end of the spring away from the clamping block is fixed on the inner wall of the sliding groove, the surface of the clamping block is fixedly connected with an L-shaped rod, the end of the L-shaped rod away from the clamping block penetrates through the moving block and is slidably connected with the moving block, and the docking assembly further comprises a limiting piece.

[0012] Preferably, the limiting piece comprises a sliding rod fixedly connected with the surface of the clamping block, the end of the sliding rod away from the clamping block penetrates through the moving block and is slidably connected with the moving block, the surface of the moving block is slidably connected with a baffle, the surface of the baffle is provided with a through hole, the end of the moving block away from the clamping block is fixedly connected with a limiting plate, the surface of the baffle is provided with a movable hole and a movable groove, the inner wall of the movable groove is slidably connected with a movable column, the surface of the movable column is fixedly connected with a spring, the end of the spring away from the movable column is fixed on the inner wall of the movable groove, the surface of the moving block is provided with a stabilizing groove, the moving block is provided with two groups of limiting plates and stabilizing grooves, the baffle is pressed, the position of the through hole is parallel to the sliding rod at this time, the position of the movable hole is parallel to the L-shaped rod at this time, the movable column enters the stabilizing groove to stabilize the baffle, the baffle is prevented from moving by itself, the clamping block enters the clamping groove, the baffle is pulled, the position of the through hole is staggered with the sliding rod, the position of the movable hole is staggered with the L-shaped rod, and the movable column enters another group of stabilizing grooves, so that the L-shaped rod can be limited, and the clamping block can be prevented from being separated from the clamping groove by accidental touch of the L-shaped rod during installation.

[0013] Preferably, the brake assembly comprises a fixed frame fixed on the top of the base and rotatably connected with the rotating shaft, the surface of the fixed frame is connected with an installation plate through screws, the inner wall of the fixed frame is rotatably connected with a gear, the surface of the gear is provided with a connecting hole, the inner wall of the connecting hole is abutted with a short rod, the end of the short rod away from the gear is fixedly connected with a moving block, the inner wall of the fixed frame is fixedly connected with a stabilizing frame, the moving block is slidably connected to the inner side of the stabilizing frame, the side of the moving block close to the rotating shaft is clamped with a brake block, the inner wall of the fixed frame is slidably connected with a rack, the rack is engaged with the gear, the top of the inner side of the fixed frame is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixed on the top of the rack, the electric telescopic rod is turned on, the rack is moved downward, the gear is rotated, and the connecting hole, the short rod and the stabilizing frame can drive each moving block and brake block to move radially synchronously, and the surface of the brake block is abutted with the surface of the brake column, so that the rotating shaft can be braked in an emergency.

[0014] Preferably, the connecting hole is arranged as an arc shape, and when the gear rotates, each moving block and the brake clamp block can be driven to move radially synchronously.

[0015] Preferably, the end of the clamping block away from the spring I is arranged as an inclined surface, and when the clamping block is abutted, the clamping block can move into the sliding groove, thereby facilitating quick installation.

[0016] Preferably, the end of the movable column away from the spring II is arranged as a circular arc shape, and the movable column will not affect the normal movement of the baffle.

[0017] Compared with the prior art, the utility model provides a speed reducer with emergency braking, which has the following beneficial effects:

[0018] 1. The speed reducer with emergency braking, when the brake clamp block needs to be replaced after long-time use, the baffle is pressed, the through hole position is parallel to the sliding rod, and the movable hole is parallel to the L-shaped rod, which does not affect the normal movement of the sliding rod and the L-shaped rod, at this time, the L-shaped rod is pulled, the clamping block is separated from the clamping groove, the limit on the brake clamp block is removed, the brake clamp block is taken out for replacement, quick disassembly is realized, when the brake clamp block and the moving block are inserted, the clamping block is in the clamping groove, the baffle is pulled, the through hole position is staggered with the sliding rod, and the movable hole position is staggered with the L-shaped rod, the L-shaped rod can be limited, the clamping block can be prevented from being separated from the clamping groove when the L-shaped rod is accidentally touched during installation, and quick installation is facilitated.

[0019] 2. The speed reducer with emergency braking, when emergency braking of the rotating shaft is needed, the electric telescopic rod is opened, the rack is lowered, the gear rotates, and through the connecting hole, the short rod and the stabilizing frame, each moving block and the brake clamp block can be driven to move radially synchronously, the surface of the brake clamp block abuts against the surface of the brake column, and the rotating shaft can be subjected to emergency braking. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a front view structural schematic diagram of the utility model;

[0022] Figure 3 It is a front view structural schematic diagram of the brake assembly of the utility model;

[0023] Figure 4 It is a back view structural schematic diagram of the brake assembly of the utility model;

[0024] Figure 5 It is an explosion and sectional view structural schematic diagram of part of the brake assembly and the butt joint assembly of the utility model.

[0025] In the figure: 1, speed reducer body; 2, base; 3, rotating shaft; 4, brake assembly; 40, fixed frame; 41, mounting plate; 42, brake column; 43, gear; 44, connecting hole; 45, short rod; 46, electric telescopic rod; 47, moving block; 48, stabilizing frame; 49, brake clamp block; 400, rack; 5, docking assembly; 50, clamping groove; 51, sliding groove; 52, clamping block; 53, spring one; 54, L-shaped rod; 55, limiting piece; 550, sliding rod; 551, baffle; 552, through hole; 553, limiting plate; 554, movable hole; 555, movable groove; 556, movable column; 557, spring two; 558, stabilizing groove. DETAILED DESCRIPTION

[0026] As Figures 1-5 shown, the utility model provides a kind of technical scheme: a kind of speed reducer of emergency brake, including speed reducer body 1 and base 2, the bottom of speed reducer body 1 is fixed in the top of base 2, the output shaft of speed reducer body 1 is fixed with rotating shaft 3, the surface of base 2 is provided with brake assembly 4 and docking assembly 5, brake assembly 4 includes: moving block 47, brake clamp block 49;Docking assembly 5 includes: clamping groove 50, sliding groove 51, clamping block 52, spring one 53, L-shaped rod 54, limiting piece 55, sliding rod 550, baffle 551, through hole 552, limiting plate 553, movable hole 554, movable groove 555, movable column 556, spring two 557, stabilizing groove 558.

[0027] The clamping groove 50 is arranged on the surface of the brake clamp block 49, the surface of the moving block 47 is provided with a sliding groove 51, the inner wall of the sliding groove 51 is slidably connected with a clamping block 52, the surface of the clamping block 52 is fixedly connected with a spring 53, the end of the spring 53 away from the clamping block 52 is fixed on the inner wall of the sliding groove 51, the surface of the clamping block 52 is fixedly connected with an L-shaped rod 54, the end of the L-shaped rod 54 away from the clamping block 52 penetrates through the moving block 47, and the L-shaped rod 54 is slidably connected with the moving block 47, the butt joint assembly 5 further comprises a limiting piece 55, the limiting piece 55 comprises a sliding rod 550 fixedly connected with the surface of the clamping block 52, the end of the sliding rod 550 away from the clamping block 52 penetrates through the moving block 47, and the sliding rod 550 is slidably connected with the moving block 47, the surface of the moving block 47 is slidably connected with a baffle 551, the surface of the baffle 551 is provided with a through hole 552, the end of the moving block 47 away from the clamping block 52 is fixedly connected with a limiting plate 553, the surface of the baffle 551 is provided with a movable hole 554, the surface of the baffle 551 is provided with a movable groove 555, the inner wall of the movable groove 555 is slidably connected with a movable column 556, the surface of the movable column 556 is fixedly connected with a spring 557, the end of the spring 557 away from the movable column 556 is fixed on the inner wall of the movable groove 555, the surface of the moving block 47 is provided with a stabilizing groove 558, the limiting plate 553 is provided with two groups, the end of the clamping block 52 away from the spring 53 is provided as an inclined surface, the end of the movable column 556 away from the spring 557 is provided as a circular arc, the baffle 551 is pressed, at this time, the position of the through hole 552 is parallel to the sliding rod 550, and the movable hole 554 is parallel to the L-shaped rod 54, the movable column 556 enters the stabilizing groove 558 to stabilize the baffle 551, so that the baffle 551 is prevented from moving, the L-shaped rod 54 is pulled, the clamping block 52 is separated from the clamping groove 50, and the limiting of the brake clamp block 49 is released, at this time, the brake clamp block 49 can be normally taken out for replacement, the quick disassembly is realized, when the brake clamp block 49 is inserted with the moving block 47, the clamping block 52 enters the clamping groove 50, the baffle 551 is pulled, the position of the through hole 552 is staggered with the sliding rod 550, the position of the movable hole 554 is staggered with the L-shaped rod 54, and the movable column 556 enters another group of stabilizing grooves 558, so that the L-shaped rod 54 can be limited, the clamping block 52 is prevented from being separated from the clamping groove 50 by accidental touch of the L-shaped rod 54 during installation, and the quick installation is facilitated.

[0028] The brake assembly 4 comprises a fixed frame 40 fixed on the top of the base 2, and the fixed frame 40 is penetrated and rotationally connected by the rotating shaft 3, the surface of the fixed frame 40 is connected with a mounting plate 41 by screws, the inner wall of the fixed frame 40 is rotationally connected with a gear 43, the surface of the gear 43 is provided with a connecting hole 44, the inner wall of the connecting hole 44 abuts against a short rod 45, the end of the short rod 45 away from the gear 43 is fixed with a moving block 47, the inner wall of the fixed frame 40 is fixed with a stabilizing frame 48, the moving block 47 is slidingly connected at the inner side of the stabilizing frame 48, the side of the moving block 47 close to the rotating shaft 3 is clamped with a brake block 49, the inner wall of the fixed frame 40 is slidingly connected with a rack 400, the rack 400 is engaged with the gear 43, the top of the inner side of the fixed frame 40 is fixed with an electric telescopic rod 46, the output end of the electric telescopic rod 46 is fixed on the top of the rack 400, the connecting hole 44 is arc-shaped, the electric telescopic rod 46 is turned on, the rack 400 moves downward, the gear 43 rotates, the connecting hole 44 rotates synchronously, the inner wall of the connecting hole 44 abuts against the surface of the short rod 45, through the stabilizing frame 48, each moving block 47 and brake block 49 can be driven to move synchronously in the radial direction, so that the surface of the brake block 49 abuts against the surface of the brake column 42, and the rotating shaft 3 can be braked urgently.

[0029] When the emergency brake of the rotating shaft 3 is needed, the electric telescopic rod 46 is turned on, the rack 400 is driven to move downward, the gear 43 is synchronously rotated, the connecting hole 44 is synchronously rotated, the inner wall of the connecting hole 44 is in contact with the surface of the short rod 45, the stable frame 48 is driven to move, the movable blocks 47 and the brake clamp blocks 49 are synchronously moved radially, the surface of the brake clamp blocks 49 is in contact with the surface of the brake column 42, and the emergency brake of the rotating shaft 3 is realized. When the brake clamp blocks 49 need to be replaced after long time use, the screws on the surface of the mounting plate 41 are removed, the baffle 551 is pressed, the position of the through hole 552 is parallel to the slide rod 550, the movable hole 554 is parallel to the L-shaped rod 54, when the movable column 556 is in contact with the inner side of the stable groove 558 during the movement of the baffle 551, the movable column 556 moves into the movable groove 555, the spring two 557 is compressed, when the movable column 556 is parallel to another stable groove 558, the spring two 557 is released, the movable column 556 moves into the stable groove 558, the baffle 551 is stabilized, the self-movement of the baffle 551 is avoided, the surface of the baffle 551 is in contact with the surface of the limiting plate 553, the baffle 551 is prevented from being separated from the movable block 47, the L-shaped rod 54 is normally pulled, the clamp block 52 is synchronously separated from the clamping groove 50, the limiting of the brake clamp blocks 49 is released, the brake clamp blocks 49 are normally taken out for replacement, quick disassembly is realized, the brake clamp blocks 49 are inserted with the movable blocks 47 during installation, the surface of the brake clamp blocks 49 is in contact with the inclined surface of the clamp block 52, the clamp block 52 moves into the sliding groove 51, the spring one 53 is compressed, when the position of the clamp block 52 is parallel to the clamping groove 50, the spring one 53 is released, the clamp block 52 moves into the clamping groove 50, the slide rod 550 is normally moved in the through hole 552, the L-shaped rod 54 is normally moved in the movable hole 554, the brake clamp blocks 49 are limited by the movable blocks 47, the baffle 551 is pulled, the surface of the baffle 551 is in contact with the surface of another limiting plate 553, the position of the through hole 552 is staggered with the slide rod 550, the position of the movable hole 554 is staggered with the L-shaped rod 54, the movable column 556 moves into another stable groove 558, the L-shaped rod 54 is limited, the clamp block 52 is prevented from being separated from the clamping groove 50 during installation, and quick installation is facilitated.

[0030] The utility model is described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. An emergency brakeable speed reducer comprising a speed reducer body (1) and a base (2), characterized in that: The bottom of the speed reducer body (1) is fixed on the top of the base (2), the output shaft of the speed reducer body (1) is fixed with the rotating shaft (3), the surface of the base (2) is provided with the brake assembly (4) and the docking assembly (5), the brake assembly (4) comprises: moving block (47), brake clamp block (49); The docking assembly (5) comprises: The clamping groove (50) is used for matching the clamping block (52) to facilitate installation and disassembly; The L-shaped rod (54) is used for releasing the limiting of the clamping groove (50) and the clamping block (52); The limiting piece (55) is used to avoid the clamping block (52) from being separated from the clamping groove (50) by accident.

2. An emergency brakeable speed reducer according to claim 1, characterized in that: The clamping groove (50) is opened on the surface of the brake clamp block (49), the surface of the moving block (47) is provided with the sliding groove (51), the inner wall of the sliding groove (51) is slidably connected with the clamping block (52), the surface of the clamping block (52) is fixed with the spring one (53), the end of the spring one (53) away from the clamping block (52) is fixed on the inner wall of the sliding groove (51), the surface of the clamping block (52) is fixed with the L-shaped rod (54), the end of the L-shaped rod (54) away from the clamping block (52) penetrates the moving block (47), and the L-shaped rod (54) and the moving block (47) are slidably connected, and the docking assembly (5) further comprises the limiting piece (55).

3. An emergency brakeable speed reducer according to claim 2, characterized in that: The limiting piece (55) comprises that the surface of the clamping block (52) is fixed with the sliding rod (550), the end of the sliding rod (550) away from the clamping block (52) penetrates the moving block (47), and the sliding rod (550) and the moving block (47) are slidably connected, the surface of the moving block (47) is slidably connected with the baffle (551), the surface of the baffle (551) is provided with the through hole (552), the end of the moving block (47) away from the clamping block (52) is fixed with the limiting plate (553), the surface of the baffle (551) is provided with the movable hole (554), the surface of the baffle (551) is provided with the movable groove (555), the inner wall of the movable groove (555) is slidably connected with the movable column (556), the surface of the movable column (556) is fixed with the spring two (557), the end of the spring two (557) away from the movable column (556) is fixed on the inner wall of the movable groove (555), the surface of the moving block (47) is provided with the stabilizing groove (558), the stabilizing groove (558) is provided with two groups, and the limiting plate (553) is provided with two groups.

4. An emergency brakeable speed reducer according to claim 1, characterized in that: The brake assembly (4) comprises a fixed frame (40) fixed on the top of the base (2), the fixed frame (40) is penetrated by the rotating shaft (3) and is rotationally connected, the surface of the fixed frame (40) is connected with a mounting plate (41) through screws, the inner wall of the fixed frame (40) is rotationally connected with a gear (43), the surface of the gear (43) is provided with a connecting hole (44), the inner wall of the connecting hole (44) abuts against a short rod (45), the end, away from the gear (43), of the short rod (45) is fixed with a moving block (47), the inner wall of the fixed frame (40) is fixed with a stabilizing frame (48), the moving block (47) is slidingly connected at the inner side of the stabilizing frame (48), the side, close to the rotating shaft (3), of the moving block (47) is clamped with a brake clamping block (49), the inner wall of the fixed frame (40) is slidingly connected with a rack (400), the rack (400) is engaged with the gear (43), the top of the inner side of the fixed frame (40) is fixed with an electric telescopic rod (46), and the output end of the electric telescopic rod (46) is fixed on the top of the rack (400).

5. An emergency brakeable speed reducer according to claim 4, characterized in that: The connecting hole (44) is arc-shaped.

6. An emergency brakeable speed reducer according to claim 2, characterized in that: The end, away from the spring one (53), of the clamping block (52) is provided with an inclined surface.

7. An emergency brakeable speed reducer according to claim 3, characterized in that: The end, away from the spring two (557), of the movable column (556) is provided with a circular arc. The end, away from the spring two (557), of the movable column (556) is provided with a circular arc.

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