CN222423431U

CN222423431U - A reduction motor and automobile tire disassembly and assembly equipment having the same

Info

Publication number: CN222423431U
Application number: CN202420189491.8U
Authority: CN
Inventors: 罗挥; 何代义
Original assignee: Ningbo Zhongda Transmission Equipment Co ltd
Current assignee: Ningbo Zhongda Transmission Equipment Co ltd
Priority date: 2024-01-25
Filing date: 2024-01-25
Publication date: 2025-01-28
Anticipated expiration: 2034-01-25

Abstract

The utility model discloses a gear motor and automobile tire dismounting equipment with the same, wherein the gear motor comprises a box body, a box cover, a transmission assembly and a driving unit, the box cover is arranged at the output end of the box body in a covering mode, the transmission assembly is rotatably arranged in the box body, the driving unit is used for driving the transmission assembly to rotate, the transmission assembly comprises a transmission shaft, a first transmission gear and a reduction gear set, the transmission shaft is rotatably arranged in the box body, the first transmission gear is arranged on the transmission shaft, the reduction gear set is arranged on the transmission shaft in an inserting mode, the second transmission section is arranged eccentrically relative to the first transmission section, the reduction gear set is arranged on the second transmission section, a reduction ring is fixedly arranged in the box body, the reduction gear set is meshed with the reduction ring, the transmission ring is clamped with an output shaft which is concentrically arranged with the first transmission section, and the output shaft extends out of the box cover and is connected with a workbench.

Description

Reducing motor and automobile tire dismounting equipment with same

Technical Field

The utility model relates to the technical field of motors, in particular to a gear motor and automobile tire dismounting equipment with the same.

Background

The main function of the tire removing machine is to remove and install the tire. The tyre stripper has the characteristics of high working efficiency and strong adaptability. The tire is not damaged in the disassembly process, so that the method can be widely applied to the disassembly of large-sized automobile tires and hubs in the industries of metallurgy, chemical industry, coal, water conservancy and the like. The tyre remover is not only suitable for the automobile industry, but also can be applied to other fields. The device is very practical, can greatly improve the working efficiency and brings convenience to our work.

The existing tire removing equipment has the working principle that a motor drives a gear motor through a belt, the gear motor drives a workbench through a main shaft to meet the requirement of tire removing, the gear motor of the tire removing machine is generally in a structure of reducing transmission through a worm gear and a worm, the consumed power of the worm gear and the worm is about 20% in transmission, and the consumed power of the belt is about 10% in driving, so that the consumed power of the motor is only about 70% of the actual power when the power of the motor is transmitted to the workbench, the consumed power is large, the whole gear motor is large in size, the gear motor needs to be connected with an equipment box body during installation, the motor is connected with the gear motor through a motor bracket, and then the belt is arranged to connect the gear motor and the motor, so that equipment is difficult to assemble.

Disclosure of utility model

In order to solve the technical problems in the background art, the utility model provides a gear motor.

The utility model solves the technical problems by adopting the following technical scheme:

a gear motor comprises a box body, a box cover, a transmission assembly and a driving unit, wherein the box cover is covered at the output end of the box body, the transmission assembly is rotatably arranged in the box body, and the driving unit is used for driving the transmission assembly to rotate;

The transmission assembly comprises a transmission shaft rotationally arranged in the box body, a first transmission gear arranged on the transmission shaft and a reduction gear set;

The transmission shaft comprises a first transmission section inserted on the box body and a second transmission section eccentrically arranged relative to the first transmission section, a reduction gear set is arranged on the second transmission section, a reduction ring is fixedly arranged in the box body, and the reduction gear set is meshed with the reduction ring;

The speed reduction gear set is provided with a transmission ring, an output shaft which is concentrically arranged with the first transmission section is clamped on the transmission ring, and the output shaft extends out of the box cover and is connected with the workbench.

Preferably, a first clamping groove is formed at the output end of the reduction gear set, a first clamping convex part is formed at the bottom of the transmission ring, and the first clamping convex part is placed in the first clamping groove. Through the improvement, the first clamping convex part of the driving ring is inserted into the first clamping groove, so that the driving ring can rotate along with the tail end of the reduction gear set, and the output shaft is driven to rotate after the reduction, so that the output shaft has larger torque.

Preferably, the first clamping groove passes through the center of the speed reduction gear set, the first clamping convex part can slide radially along the first clamping groove, and the transmission ring and the first transmission section are concentrically arranged. Through the improvement, in the installation, the first clamping convex part of the transmission ring can be utilized to slide along the first clamping groove, so that the transmission ring and the first transmission section are more convenient to adjust and concentrically arranged, the concentricity of the output shaft and the first transmission section is improved, and the stability of the whole gear motor in the operation process is improved.

Preferably, a second clamping convex part is formed at the top of the transmission ring, and a second clamping groove which is clamped with the second clamping convex part is formed at the bottom of the output shaft. Through the improvement, in the installation, the second clamping convex part is arranged at the bottom of the output shaft, so that the transmission ring can drive the output shaft to rotate, the transmission ring is decelerated through the reduction gear set and drives the output shaft to rotate, the output shaft has larger torque, and the workbench is driven to rotate.

Preferably, the first transmission gear is arranged on the first transmission section, the first transmission gear is meshed with the output end of the driving unit and forms a first speed reduction part, and the speed reduction gear set is meshed with the speed reduction ring and forms a second speed reduction part. Through the improvement, the output shaft is subjected to two-stage speed reduction, so that the output shaft has larger torque and drives the workbench to rotate.

Preferably, the second transmission section comprises a first eccentric part eccentrically arranged relative to the first transmission section and a second eccentric part arranged away from the eccentric direction of the first eccentric part, the reduction gear set comprises a first reduction gear arranged on the first eccentric part and a second reduction gear arranged on the second eccentric part, the first reduction gear and the second reduction gear are respectively meshed with the reduction ring, and the transmission ring is arranged on the second reduction gear. Through the improvement, because the first eccentric part and the second eccentric part are eccentrically arranged relative to the first transmission section, the first reduction gear and the second reduction gear are meshed with the reduction ring and rotate along with the rotation of the transmission shaft, so that the reduction effect is realized, the first eccentric part and the second eccentric part are 180 degrees in phase, the gravity center is positioned on the center of the first transmission section, the centrifugal force generated when the first reduction gear and the second reduction gear eccentrically operate is counteracted, the vibration of the whole driving shaft caused by eccentric arrangement can be overcome, and the whole reduction motor is more stable in operation.

Preferably, the transmission shaft further comprises a third transmission section concentrically arranged with the first transmission section, a rotating groove for the third transmission section to be placed in is formed at the bottom of the output shaft, and the third transmission section and the output shaft are concentrically arranged. Through the improvement, as the first transmission section and the third transmission section are concentrically arranged, the third transmission section is arranged at the bottom of the output shaft, and the concentricity of the output shaft and the first transmission section is further improved, so that the stability of the output shaft in the rotation process is improved.

Preferably, the driving unit is a brushless motor. Through the improvement, the brushless motor is controlled to control the torque, and once the torque exceeds the setting, the motor is stopped, and can be started immediately after stopping, so that the work efficiency is high, and the inertia force can be overcome.

Preferably, a controller for controlling the rotation speed and the rotation direction of the driving unit is arranged in the box body. With the above improvement, the rotation speed of the driving unit can be controlled by the motor control structure.

The utility model provides a take off child machine structure, includes the board, sets up the stand on the board, connects the head of tearing open of stand, sets up the workstation under tearing open the child head and being located the board, be equipped with in the board and be used for driving workstation pivoted gear motor.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. Through set up first drive gear and with the drive unit output section meshing at the input of transmission shaft, realize first level reduction to set up reduction gear group on the eccentric section of transmission shaft, reduction gear group and the meshing of the speed reduction circle of fixing in the box realize the second grade reduction, make whole reducing gear box small, light in weight, and transmission progression, and the reduction total efficiency.

2. Through set up the drive ring at reduction gear group, drive ring and output shaft joint, and drive ring can slide at reduction gear group end, the concentricity of the output shaft of being convenient for more.

Drawings

FIG. 1 is a schematic view of the whole tire changer of the present utility model;

Fig. 2 is a schematic structural view of a gear motor according to the present utility model;

fig. 3 is a sectional view of the reduction motor of the present utility model;

FIG. 4 is a schematic view of the transmission assembly of the present utility model;

FIG. 5 is an exploded view of the transmission assembly of the present utility model;

FIG. 6 is a schematic diagram of a reduction gear set of the present utility model;

FIG. 7 is a schematic view of the structure of the drive ring of the present utility model;

FIG. 8 is a schematic view of the structure of the drive shaft of the present utility model;

FIG. 9 is a schematic view of the structure of the output shaft of the present utility model;

1, a machine table, 2, a stand column, 3, a tire removing head, 4, a working table, 5, a gear motor, 101, a box body, 102, a box cover, 103, a transmission assembly, 104, a driving unit, 201, a transmission shaft, 202, a first transmission gear, 203, a reduction gear set, 301, a first transmission section, 302, a second transmission section, 303, a third transmission section, 304, a first reduction part, 305, a reduction ring, 306, a second reduction part, 401, a transmission ring, 402, an output shaft, 403, a rotating groove, 501, a first eccentric part, 502, a second eccentric part, 503, a first reduction gear, 504, a second reduction gear, 601, a first clamping groove, 602, a first clamping convex part, 603, a second clamping groove, 604, a second clamping convex part, 605, a mounting groove, 701, a first fixing pin, 702, a fixing hole, 703, a second fixing pin, 704, a positioning hole, 705, and a motor control structure;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding and are not used to define any directional or sequential limitation.

As shown in fig. 1-9, an automobile tire dismounting device comprises a machine table 1, a stand column 2 arranged on the machine table 1, a tire dismounting head 3 connected to the stand column 2, a workbench 4 arranged right below the tire dismounting head 3 and positioned on the machine table 1, a gear motor 5 used for driving the workbench 4 to rotate and arranged in the machine table 1, wherein the workbench 4 consists of two cylinders and clamping jaws, and a tire is placed on the workbench 4 and is driven to rotate by the gear motor 5, so that an outer tire of the tire is dismounted by the tire dismounting head.

Specifically, the gear motor 5 includes a casing 101, a casing cover 102 disposed at an output end of the casing 101, a transmission assembly 103 rotatably disposed in the casing 101, and a driving unit 104 for driving the transmission assembly 103 to rotate.

The transmission assembly 103 includes a transmission shaft 201 rotatably disposed in the housing 101, a first transmission gear 202 disposed on the transmission shaft 201, and a reduction gear set 203.

The transmission shaft comprises a first transmission section 301 inserted on the box body 101 and a second transmission section 302 eccentrically arranged relative to the first transmission section 301, the first transmission gear 202 is arranged on the first transmission section 301, the first transmission gear 202 is meshed with the output end of the driving unit 104, and the number of teeth at the output end of the driving unit 104 is smaller than that of the first transmission gear 202, so that a first speed reduction part 304 can be formed for first speed reduction;

The reduction gear set 203 is arranged on the second transmission section 302, a reduction ring 305 is fixedly arranged in the box body 101, the reduction gear set 203 is meshed with the reduction ring 305, the number of teeth of the reduction gear set 203 is smaller than the number of times of the reduction ring 305, and a second reduction part 306 is formed for carrying out second reduction;

Because the driving ring 401 is arranged on the reduction gear set 203, and the output shaft 402 is clamped on the driving ring 401, the output shaft 402 extends out of the box cover 102 and is connected with the workbench 4, the driving ring 401 performs secondary reduction under the action of the reduction gear set 203, and therefore the secondary reduction of the output shaft 402 is realized.

The whole transmission assembly 103 is used for reducing the power consumed by the motor through gears, the service life of the motor is prolonged, the first-stage reduction is realized by utilizing the first transmission gear 202 and being meshed with the output end of the driving unit 104, the reduction gear set 203 is arranged on the eccentric section of the transmission shaft 201, the reduction gear set 203 is meshed with the reduction ring 305 fixed in the box body 101, the two-stage reduction is realized, the whole reduction box body 101 is small in volume and light in weight, the transmission stage is realized, and the total reduction efficiency is high.

As shown in fig. 3 to 9, with respect to further explanation of the driving assembly 103 in this embodiment, the second driving section 302 includes a first eccentric portion 501 eccentrically disposed with respect to the first driving section 301, and a second eccentric portion 502 eccentrically disposed away from the first eccentric portion 501, and the first eccentric portion 501 is 180 ° in phase with the second eccentric portion 502, so that the center of gravity is located on the center of the first driving section 301, and the centrifugal force generated when the first reduction gear 503 and the second reduction gear 504 are eccentrically operated is cancelled, so that the vibration of the entire driving shaft due to the eccentric arrangement can be overcome, and the operation of the entire reduction motor 5 can be more stable.

Further, a first clamping groove 601 is formed on the second reduction gear 504, a first clamping convex portion 602 is formed at the bottom of the transmission ring 401, and the first clamping convex portion 602 of the transmission ring 401 can be inserted into the first clamping groove 601, so that the transmission ring 401 can rotate along with the second reduction gear 504 and drive the output shaft 402 to rotate, and the output shaft 402 has a two-stage reduction effect.

And, the top of the transmission ring 401 is formed with a second clamping convex part 604, and the bottom of the output shaft 402 is formed with a second clamping groove 603 clamped with the second clamping convex part 604, in the installation process, the second clamping convex part 604 is put into the bottom of the output shaft 402, so that the transmission ring 401 can drive the output shaft 402 to rotate, the transmission ring 401 is subjected to two-stage speed reduction through the second reduction gear 504, and drives the output shaft 402 to rotate, so that the output shaft 402 has larger torque, and the workbench 4 is driven to rotate.

As shown in fig. 5, as a preferable option, the first clamping protrusion 602 may slide radially along the first clamping groove 601, and in the installation process, the first clamping protrusion 602 of the driving ring 401 may slide along the first clamping groove 601, so that the driving ring 401 and the first driving section 301 are more convenient to adjust and concentrically set, concentricity of the output shaft 402 and the first driving section 301 is improved, and stability of the whole gear motor 5 in the operation process is improved.

As shown in fig. 3, further, the transmission shaft 201 further includes a third transmission section 303 concentrically arranged with the first transmission section 301, a rotation groove 403 for placing the third transmission section 303 is formed at the bottom of the output shaft 402, and the third transmission section 303 is placed at the bottom of the output shaft 402 in the installation process, so that concentricity of the output shaft 402 and the first transmission section 301 is ensured, stability of the output shaft 402 in the rotation process is further improved, and the workbench 4 is more stable in rotation.

As shown in fig. 3 and 5, as further explanation of the implementation of the reduction gear 305 in the present embodiment, the reduction gear 305 is fixed in the case 101, the inner ring of the reduction gear 305 is formed with teeth, and the number of teeth of the reduction gear 305 is larger than that of the second reduction gear 504, thereby achieving a two-stage reduction.

Wherein, the case 101 is provided with a plurality of first fixing pins 701, and the decelerating ring 305 is formed with a fixing hole 702 into which the first fixing pins 701 are placed, and the decelerating ring 305 is fixed in the case 101 by matching the first fixing pins 701 with the fixing holes 702 on the decelerating ring 305.

As shown in fig. 3, preferably, the case body 101 is provided with a plurality of second fixing pins 703, and the case cover 102 is formed with positioning holes 704 into which the second fixing pins 703 are placed, so that the case cover 102 can be quickly fixed by using the cooperation of the second fixing pins 703 and the positioning holes 704 on the case cover 102, thereby being more convenient for assembly.

As a preferred embodiment, the driving unit 104 in this embodiment is a brushless motor, the overload protection of the ordinary motor is realized by the motor temperature, the motor temperature needs to be reduced to the set temperature to restart once overload occurs, at least more than 5 minutes is needed, the brushless motor is controlled by controlling the torque, the motor stops once the torque exceeds the set value, the motor can be started immediately after stopping, the working efficiency is high, and when the ordinary motor needs to be additionally provided with a damper to prevent stopping, the damper consumes the motor power due to the inertia of the working disc and the tyre to continuously rotate or reverse, the output efficiency of the reducer is reduced by 2%, the permanent magnetic pole magnetic force on the rotor can overcome the inertia force after the brushless motor is powered off, and the whole tyre removing device can be more intelligent.

As shown in fig. 1, preferably, a motor control structure 705 for controlling the driving unit 104 is provided in the case 101, and the rotation speed and the rotation direction of the driving unit 104 can be controlled by the motor control structure 705, so as to satisfy different use situations.

Specifically, the motor control structure 705 may be connected to a pedal, and the pedal may be stepped on to perform forward and reverse rotation of the table 4, and the table 4 is stopped when the pedal is in a free state, the pedal is stepped down, the table 4 rotates forward and at a higher rotation speed, and the pedal rotates upward and the table 4 rotates backward.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The speed reducing motor is characterized by comprising a box body (101), a box cover (102) arranged at the output end of the box body (101), a transmission assembly (103) rotatably arranged in the box body (101), and a driving unit (104) for driving the transmission assembly (103) to rotate;

The transmission assembly (103) comprises a transmission shaft (201) rotatably arranged in the box body (101), a first transmission gear (202) arranged on the transmission shaft (201), and a reduction gear set (203);

The transmission shaft (201) comprises a first transmission section (301) inserted on the box body (101) and a second transmission section (302) eccentrically arranged relative to the first transmission section (301), a reduction gear set (203) is arranged on the second transmission section (302), a reduction ring (305) is fixedly arranged in the box body (101), and the reduction gear set (203) is meshed with the reduction ring (305);

the speed reduction gear set (203) is provided with a transmission ring (401), an output shaft (402) concentrically arranged with the first transmission section (301) is clamped on the transmission ring (401), and the output shaft (402) extends out of the box cover (102) and is connected with the workbench (4).

2. A gear motor according to claim 1, wherein a first clamping groove (601) is formed on the output end of the gear reduction set (203), a first clamping protrusion (602) is formed on the bottom of the transmission ring (401), and the first clamping protrusion (602) is placed in the first clamping groove (601).

3. A gear motor according to claim 2, wherein the first clamping groove (601) passes through the center of the gear train (203), the first clamping protrusion (602) can slide radially along the first clamping groove (601), and the transmission ring (401) is concentrically arranged with the first transmission section (301).

4. A gear motor according to claim 1, wherein a second engaging protrusion (604) is formed on the top of the transmission ring (401), and a second engaging groove (603) engaging with the second engaging protrusion (604) is formed on the bottom of the output shaft (402).

5. A gear motor according to claim 1, characterized in that the first transmission gear (202) is arranged on the first transmission section (301), the first transmission gear (202) being in engagement with the output of the drive unit (104) and constituting a first reduction (304), the reduction gear set (203) being in engagement with the reduction ring (305) constituting a second reduction (306).

6. A gear motor according to claim 1, characterized in that the second gear section (302) comprises a first eccentric section (501) arranged eccentrically with respect to the first gear section (301) and a second eccentric section (502) arranged eccentrically away from the first eccentric section (501), the reduction gear set (203) comprises a first reduction gear (503) arranged on the first eccentric section (501) and a second reduction gear (504) arranged on the second eccentric section (502), the first reduction gear (503) and the second reduction gear (504) respectively being in engagement with the reduction ring (305), and the transmission ring (401) being arranged on the second reduction gear (504).

7. A gear motor according to claim 1, characterized in that the transmission shaft (201) further comprises a third transmission section (303) arranged concentrically with the first transmission section (301), that the output shaft (402) is formed at the bottom with a rotation groove (403) into which the third transmission section (303) is placed, and that the third transmission section (303) is arranged concentrically with the output shaft (402).

8. A gear motor according to claim 1, characterized in that the drive unit (104) is a brushless motor.

9. A gear motor according to claim 1, characterized in that a motor control structure (705) for controlling the rotational speed and the rotational direction of the drive unit (104) is provided in the housing (101).

10. An automobile tire dismounting device comprising the gear motor as claimed in any one of claims 1 to 9, characterized by comprising a machine table (1), a stand column (2) arranged on the machine table (1), a tire dismounting head (3) connected to the stand column (2), a workbench (4) arranged under the tire dismounting head (3) and positioned on the machine table (1), and a gear motor (5) used for driving the workbench (4) to rotate arranged in the machine table (1).