Elevator traction machine

Abstract

The utility model relates to the technical field of traction machines, in particular to an elevator traction machine which comprises a bottom plate, a traction machine is arranged on the right side of the upper portion of the bottom plate, a brake shell is arranged on the left side of the upper portion of the bottom plate, the driving end of the traction machine rotates in the right side of the brake shell, and a connecting plate is arranged on the left side of the upper portion of the traction machine. The left portion of the connecting block is arranged on the right side of the brake shell, a brake part is arranged in the brake shell and used for braking and speed reduction, and a traction part is arranged at the driving end of the traction machine and used for driving a traction rope to move. The brake plate pushes the brake plate to be attached to the tractor rotating shaft, the brake plate is further deformed due to friction force, the brake plate is further attached to the periphery of the tractor rotating shaft, the friction force between the brake plate and the rotating shaft is increased, stopping of the tractor is accelerated, and therefore the rapid braking function of the tractor is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of traction machine, concretely is a kind of elevator traction machine. BACKGROUND

[0002] Elevator traction machine is the power equipment of elevator, provides power for the lift of elevation, and its working principle is to convert the rotary motion of motor into the linear motion of car and counterweight by the friction between traction wheel and traction rope.

[0003] Ordinary braking mode can rely on single braking component and simple friction force to brake, and the contact area between braking component and rotating shaft is small, so that shaking and uneven braking force can occur during braking, therefore, the utility model provides a kind of elevator traction machine. UTILITY MODEL CONTENTS

[0004] One of the technical problems to be solved by the present application is that the small contact area between the braking component and the rotating shaft can cause shaking and uneven braking force during braking.

[0005] To solve the above technical problems, the present application provides an elevator traction machine, comprising a bottom plate, a traction machine is arranged on the upper right side of the bottom plate, a brake shell is arranged on the upper left side of the bottom plate, the driving end of the traction machine rotates in the right side of the brake shell, a connecting plate is arranged on the upper left side of the traction machine, the left part of the connecting plate is arranged on the right side of the brake shell, a braking component is arranged in the brake shell for braking and deceleration, and a traction component is arranged on the driving end of the traction machine for moving the traction rope.

[0006] As a preferred, the braking component includes two center-symmetric braking plates arranged in the brake shell, the inner wall of the braking plate is provided with a brake pad, the two brake pads are abutted on the outer periphery of the driving end of the traction machine, a push plate is rotatably connected to the upper part of the inside of the brake shell, the front and rear ends of the push plate are rotatably connected with connecting rods, one end of the connecting rod away from the push plate is rotatably connected with a connecting block, the lower end of the connecting block is arranged at the upper edge of the braking plate, a driving component is arranged in the brake shell for driving the push plate to rotate, a guide component is arranged in the brake shell for guiding the movement of the braking plate, and a dustproof component is arranged on the front and rear sides of the brake shell for assisting the heat dissipation of the braking plate.

[0007] As a preferred, the driving component includes a motor arranged on the upper rear side of the brake shell, a worm and a worm wheel are rotatably connected to the upper part of the inside of the brake shell, the worm and the worm wheel are meshingly connected, the left part of the worm wheel is arranged on the right side of the push plate, and the upper end of the worm is arranged on the driving end of the motor.

[0008] Preferably, the guide comprises a limiting plate arranged at the upper edge of the two brake plates, and the inner upper portion of the brake shell is provided with a limiting slot.

[0009] Preferably, the dustproof member comprises air holes arranged on the front and back sides of the brake shell, and the distal sides of the two air holes are provided with dustproof covers.

[0010] Preferably, the traction member comprises a traction wheel arranged in the middle portion of the driving end of the traction machine, the outer periphery of the traction wheel is provided with a plurality of evenly distributed anti-skid grooves, the outer periphery of the traction wheel is provided with a plurality of evenly distributed anti-skid blocks, the outer periphery of the traction wheel is sleeved with two evenly distributed cables, the outer periphery of the cable is provided with a plurality of evenly distributed anti-skid rings, and the anti-skid blocks abut against the inner portions of the anti-skid rings.

[0011] Preferably, the outer wall of the traction machine is provided with a plurality of evenly distributed fins, and the outer wall of the traction machine is provided with a protective shell.

[0012] The utility model at least has the following beneficial effects:

[0013] 1. Through the cooperation between the motor, the worm, the worm wheel and the push plate, the push plate can be driven to rotate, and the two connecting rods are away from each other, the connecting rod slides to push the upper end of the connecting block and the brake plate to move, the brake plate deforms, the brake shoe is pushed to fit the traction machine rotating shaft, the left brake shoe has a clockwise rotation trend after fitting due to the friction, the brake plate is further deformed due to the trend, the brake shoe is further curled to fit the outer periphery of the traction machine rotating shaft, the friction between the brake shoe and the rotating shaft is increased, the traction machine is accelerated to stop, and thus the function of the traction machine rapid braking is realized.

[0014] 2. The traction wheel rotation drives a plurality of anti-skid blocks to rotate, the anti-skid blocks continuously engage and disengage the anti-skid rings when rotating, and the anti-skid rings are pushed to move along the arc direction of the traction wheel, the anti-skid rings push the cable to rotate, the anti-skid grooves increase the roughness of the surface of the traction wheel, the friction between the traction wheel and the cable is enhanced, and the cable anti-skid function is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a brake shell structure schematic view of the utility model;

[0017] Figure 3 It is a brake plate structure schematic view of the utility model;

[0018] Figure 4 It is a brake shoe structure schematic view of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the anti-skid ring of the utility model.

[0020] Figure 6 It is the structure schematic diagram of the utility model embodiment 2.

[0021] In the drawing: 1, bottom plate;11, connecting plate;12, traction machine;121, fin;122, protective shell;13, brake shell;2, brake piece;21, brake plate;22, brake piece;23, connecting block;24, connecting rod;25, push plate;3, driving piece;31, motor;32, worm;33, worm wheel;4, guide;41, limit plate;42, limit slot;5, dustproof piece;51, air hole;52, dust cover;6, traction piece;61, traction wheel;62, anti-skid groove;63, anti-skid block;64, cable;65, anti-skid ring. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not 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 protection of the utility model.

[0023] Embodiment 1: please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of elevator traction machine, including bottom plate 1, the right side of the upper portion of bottom plate 1 is provided with traction machine 12, the left side of the upper portion of bottom plate 1 is provided with brake shell 13, the driving end of traction machine 12 rotates in the right side inside of brake shell 13, the left side of the upper portion of traction machine 12 is provided with connecting plate 11, the left part of connecting plate 11 is arranged in the right side of brake shell 13, brake shell 13 is provided with brake piece 2 in the inside, for brake deceleration, the driving end of traction machine 12 is provided with traction piece 6, for driving traction rope to move;

[0024] Brake shell 13 can protect internal structure from outside interference, and connecting plate 11 can connect traction machine 12 and brake shell 13.

[0025] Further, the brake member 2 comprises two center-symmetric brake plates 21 arranged in the brake shell 13, the inner wall of the brake plate 21 is provided with a brake pad 22, both brake pads 22 abut the outer periphery of the driving end of the traction machine 12, the upper part of the inside of the brake shell 13 is rotatably connected with a push plate 25, both ends of the push plate 25 are rotatably connected with a connecting rod 24, one end of the connecting rod 24 away from the push plate 25 is rotatably connected with a connecting block 23, the lower end of the connecting block 23 is arranged at the upper edge of the brake plate 21, the inside of the brake shell 13 is provided with a driving member 3 for driving the push plate 25 to rotate, the inside of the brake shell 13 is provided with a guide member 4 for guiding the brake plate 21 to move, both sides of the brake shell 13 are provided with a dustproof member 5 for assisting the brake plate 21 to dissipate heat;

[0026] The brake pad 22 and the brake plate 21 are both U-shaped, the brake pad 22 can be pressed on the driving end of the traction machine 12 to make the traction machine 12 shaft quickly stop rotating, the brake plate 21 can press the brake pad 22 to adhere to the outer periphery of the traction machine 12 shaft, the connecting block 23 can push the upper end of the brake plate 21 to move, the connecting rod 24 can push the connecting block 23 to move, and the push plate 25 can push the connecting rod 24 to move while rotating.

[0027] Further, the driving member 3 comprises a motor 31 arranged on the upper rear side of the brake shell 13, the upper part of the inside of the brake shell 13 is rotatably connected with a worm 32 and a worm gear 33, the worm 32 and the worm gear 33 are meshed, the left part of the worm gear 33 is arranged on the right side of the push plate 25, and the upper end of the worm 32 is arranged on the driving end of the motor 31;

[0028] The motor 31 is used to drive the worm 32 to rotate, the worm 32 can drive the worm gear 33 to rotate, and the rotation of the worm gear 33 can drive the push plate 25 to rotate.

[0029] Further, the guide member 4 comprises a limiting plate 41 arranged at the upper edge of the two brake plates 21, and a limiting groove 42 is formed in the upper part of the inside of the brake shell 13, and the limiting plate 41 slides in the inside of the limiting groove 42;

[0030] The limiting plate 41 can guide the horizontal movement of the upper end of the brake plate 21.

[0031] Further, the dustproof member 5 comprises air vents 51 formed in the front and rear sides of the brake shell 13, and dust covers 52 are arranged on the sides away from the two air vents 51;

[0032] The air vents 51 can make the air in the inside of the brake shell 13 flow to the outside, so that the heat in the inside of the brake shell 13 flows out of the brake shell 13, and the dust covers 52 can prevent a large amount of dust from entering the inside of the brake shell 13.

[0033] Further, the traction member 6 includes a traction wheel 61 arranged in the middle of the driving end of the traction machine 12, the outer periphery of the traction wheel 61 is provided with a plurality of evenly distributed anti-skid grooves 62, the outer periphery of the traction wheel 61 is provided with a plurality of evenly distributed anti-skid blocks 63, the outer periphery of the traction wheel 61 is sleeved with two evenly distributed cables 64, the outer periphery of the cable 64 is provided with a plurality of evenly distributed anti-skid rings 65, and the anti-skid block 63 abuts against the inside of the anti-skid ring 65.

[0034] The traction wheel 61 is used for directly contacting the cable 64 and providing basic friction, the anti-skid groove 62 can increase the friction between the traction wheel 61 and the cable 64, the anti-skid block 63 can push the anti-skid ring 65 to move, and the anti-skid ring 65 can push the cable 64 to move.

[0035] When the traction machine 12 starts to rotate clockwise, the traction wheel 61 can be driven to rotate, the plurality of anti-skid blocks 63 can be driven to rotate together when the traction wheel 61 rotates, the anti-skid blocks 63 can continuously engage in and then disengage from the inside of the anti-skid ring 65 while rotating, and the anti-skid ring 65 can be pushed to move along the arc direction of the traction wheel 61 while moving, the anti-skid groove 62 can increase the roughness of the surface of the traction wheel 61, and the friction between the traction wheel 61 and the cable 64 can be increased, when the traction machine 12 is turned off, the motor 31 is started to drive the worm 32 to rotate, the worm 32 drives the worm gear 33 and the push plate 25 to rotate, the push plate 25 can change the angle while driving the two connecting rods 24 to move away from each other, the two connecting rods 24 sliding away from each other can drive the two connecting blocks 23 to slide horizontally away from each other, the connecting block 23 can drive the upper end of the brake plate 21 to move, the movement of the upper end of the brake plate 21 can cause the whole brake plate 21 to deform, the brake plate 21 drives the brake pad 22 to move towards the direction of abutting against the rotating shaft of the traction machine 12, after the left brake pad 22 abuts against the rotating shaft of the traction machine 12, the brake pad 22 can be pushed to have a tendency to rotate clockwise due to the friction between the rotating shaft and the brake pad 22, since the lower part of the brake plate 21 is fixed, the brake plate 21 can change the tendency into further deformation, so that the brake pad 22 is curled to abut against the outer periphery of the rotating shaft of the traction machine 12, and the friction between the brake pad 22 and the rotating shaft of the traction machine 12 can be further increased, so that the stopping of the traction machine 12 can be accelerated, and the reverse rotation of the traction machine 12 is the same, so that the effect of device braking can be achieved.

[0036] Embodiment 2: please refer to Figure 6 On the basis of embodiment 1, another technical scheme is provided: the outer wall of the traction machine 12 is provided with a plurality of evenly distributed fins 121, and the outer wall of the traction machine 12 is provided with a protective shell 122.

[0037] The fins 121 can increase the heat dissipation efficiency of the traction machine 12, can prevent the traction machine 12 from being burned due to heat accumulation caused by too large operation load, and the protective shell 122 can prevent people from contacting the fins 121 to cause burns.

[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. An elevator hoisting machine comprising a base plate (1), characterized in that: The upper right side of the bottom plate (1) is provided with a traction machine (12), the upper left side of the bottom plate (1) is provided with a brake shell (13), the driving end of the traction machine (12) rotates in the right side of the brake shell (13), the upper left side of the traction machine (12) is provided with a connecting plate (11), the left side of the connecting plate (11) is arranged on the right side of the brake shell (13), the inside of the brake shell (13) is provided with a brake part (2) for braking and deceleration, and the driving end of the traction machine (12) is provided with a traction part (6) for driving the traction rope to move.

2. The elevator hoist machine of claim 1, wherein: The brake part (2) comprises two center-symmetric brake plates (21) arranged in the brake shell (13), the inner wall of the brake plate (21) is provided with a brake pad (22), the two brake pads (22) are abutted on the outer periphery of the driving end of the traction machine (12), the inside of the brake shell (13) is rotatably connected with a push plate (25) at the upper part, the front and rear ends of the push plate (25) are rotatably connected with connecting rods (24), one end of the connecting rod (24) away from the push plate (25) is rotatably connected with a connecting block (23), the lower end of the connecting block (23) is arranged at the upper edge of the brake plate (21), the inside of the brake shell (13) is provided with a driving part (3) for driving the push plate (25) to rotate, the inside of the brake shell (13) is provided with a guide part (4) for guiding the brake plate (21) to move, and the front and rear sides of the brake shell (13) are provided with dustproof parts (5) for assisting the brake plate (21) to dissipate heat.

3. The elevator hoist machine of claim 2, wherein: The driving part (3) comprises a motor (31) arranged on the upper rear side of the brake shell (13), the inside of the brake shell (13) is rotatably connected with a worm (32) and a worm wheel (33) at the upper part, the worm (32) and the worm wheel (33) are meshed and connected, the left part of the worm wheel (33) is arranged on the right side of the push plate (25), and the upper end of the worm (32) is arranged on the driving end of the motor (31).

4. The elevator hoist machine of claim 2, wherein: The guide part (4) comprises a limiting plate (41) arranged at the upper edge of the two brake plates (21), and a limiting groove (42) is formed in the upper part of the inside of the brake shell (13), and the limiting plate (41) slides in the inside of the limiting groove (42).

5. The elevator hoist machine of claim 2, wherein: The dustproof part (5) comprises air holes (51) formed on the front and rear sides of the brake shell (13), and dust covers (52) are arranged on the sides away from each other of the two air holes (51).

6. The elevator hoist motor of claim 1, wherein: Said traction member (6) includes a traction wheel (61) arranged in the middle of the driving end of the traction machine (12), the outer periphery of the traction wheel (61) is provided with a plurality of evenly distributed anti-skid grooves (62), the outer periphery of the traction wheel (61) is provided with a plurality of evenly distributed anti-skid blocks (63), the outer periphery of the traction wheel (61) is sleeved with two evenly distributed cables (64), the outer periphery of the cable (64) is provided with a plurality of evenly distributed anti-skid rings (65), and the anti-skid block (63) abuts against the inside of the anti-skid ring (65).

7. The elevator hoist motor of claim 1, wherein: The outer wall of the traction machine (12) is provided with a plurality of evenly distributed fins (121), and the outer wall of the traction machine (12) is provided with a protective shell (122).

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