CN210665048U

CN210665048U - Structure for centering coupling

Info

Publication number: CN210665048U
Application number: CN201921890864.XU
Authority: CN
Inventors: 肖磊; 曹善勇; 徐铁军
Original assignee: Huadian Tengzhou Xinyuan Thermoelectricity Co ltd
Current assignee: Huadian Tengzhou Xinyuan Thermoelectricity Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-02
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a structure of center is looked for to wheel, including drive arrangement, drive arrangement's base angle department all is provided with hoisting device and percentage table, hoisting device can drive arrangement and reciprocate. This device all sets up hoisting device and percentage table in drive arrangement's base angle department, wherein hoisting device can directly raise drive arrangement, and the height of lifting can freely be controlled, be provided with the percentage table in base angle department simultaneously, the percentage table is used for measuring the lifting height of drive arrangement base angle, through using this device, the staff can use the percentage table to measure and go on in step with the adjustment, adopt this kind of test mode, need not look over the drawing or measure the wheel diameter, the perpendicular distance of base angle and wheel, it is quick, make things convenient for the staff to calibrate the wheel.

Description

Structure for centering coupling

Technical Field

The utility model relates to a mechanical engineering technical field, concretely relates to structure of centering is looked for to wheel.

Background

In mechanical transmission, the power transmission between a driving device and a rotating machine is mostly transmitted through a wheel, if the center of the wheel is not within a quality standard, mechanical vibration is caused, and strong mechanical vibration is caused in severe cases, and even the device is damaged. Centering the pair wheel, generally, two dial indicators are arranged on the pair wheel, the upper part and the lower part of the pair wheel are horizontally divided into four points, the surface distance difference and the circle distance difference of the two pair wheels are measured, the adjustment value of the bottom angle of the driving device is determined through calculation, then a gasket is added under the bottom angle according to the calculated value, and the bottom angle of the driving device is horizontally moved by a jackscrew, so that the surface distance difference and the circle distance difference of the pair wheel meet the quality standard. The mode adjustment has more defects, as follows, 1, in the process of adjusting the base angle, the mode of directly adding the gasket or subtracting the gasket is adopted, and the workload is large; 2 when the deviation of the wheel centers is large, the error of measured data is large, and the measurement, calculation and adjustment are often required for multiple times, so that the operation is troublesome; 3. before calculation, a drawing needs to be checked or the diameter of the pair wheel needs to be directly measured, the vertical distance between the base angle and the pair wheel needs to be adjusted, and the procedure is complex; 4. on-site operators often adopt pad adding and pad reducing modes due to the fact that calculation formulas cannot be memorized, and the blindness is achieved.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a structure of wheel alignment to make things convenient for the staff to calibrate the wheel.

The utility model provides a structure of wheel alignment, includes drive arrangement, drive arrangement's base angle department all is provided with hoisting device and percentage table, hoisting device can drive arrangement and reciprocate. Among this technical scheme, all set up hoisting device and percentage table in drive arrangement's base angle department, wherein hoisting device can directly raise drive arrangement, make things convenient for staff's operation, and the height of lifting can be controlled, be provided with the percentage table in base angle department simultaneously, the percentage table is used for measuring the lifting height of drive arrangement base angle, the staff can use the percentage table to measure and go on with the adjustment in step, thus, when avoiding wheel center deviation big, measured data is inaccurate, adopt this kind of test mode, need not look over the drawing or measure the perpendicular distance of wheel diameter and base angle and wheel, make things convenient for the staff to calibrate the wheel.

Preferably, the lifting device comprises a bolt and a nut, the nut is fixed on the side wall of the driving device, the bolt is matched with the nut, and the bolt can be contacted with a bearing surface for bearing the driving device. Bolt and nut threaded connection, the bolt can with bear the weight of the bearing surface contact of drive device, when needing adjustment drive device's height, because bolt and bearing surface contact, the bolt supports drive device, rotates the bolt, the position of adjusting bolt and nut, the rigidity of bolt realizes using bolt and nut to the adjustment of drive device height, the price is low, convenient to use.

Preferably, the end of the bolt capable of contacting the bearing surface is spherical. Generally, the end part of the bolt is in contact with the bearing surface and can be embedded into one part of the bearing surface, when one end of the bolt in contact with the bearing surface is spherical, the deeper the embedded part of the end part of the bolt is, the smaller the diameter is, and when the bolt needs to be moved upwards, the smaller the friction force on the bolt is, so that the labor intensity of workers is reduced.

Preferably, the lifting device is a limit bolt, the bottom corner of the driving device is provided with a groove, the bottom wall of the groove is provided with a threaded hole, the limit bolt is matched with the threaded hole, and the limit bolt can be in contact with a bearing surface bearing the driving device. The groove is formed in the bottom corner of the driving device, the threaded hole is formed in the bottom wall of the groove, the limiting bolt can penetrate through the threaded hole, the driving device is supported by the limiting bolt, the limiting bolt is rotated, the position where the limiting bolt is connected with the threaded hole is adjusted, and the height of the driving device is adjusted.

Preferably, one end of the limit bolt, which is contacted with the bearing surface, is spherical. Generally, the end part of the limiting bolt is in contact with the bearing surface and can be embedded into one part of the bearing surface, when one end of the limiting bolt in contact with the bearing surface is spherical, the deeper the limiting bolt is embedded into, the smaller the diameter of the part is, and when the limiting bolt needs to be moved upwards, the smaller the friction force borne by the limiting bolt is, so that the labor intensity of workers is reduced.

Preferably, the dial indicator is detachably connected with the driving device. The dial indicator can be detachably connected, and can be taken down to be used for other driving equipment after one driving equipment is used, so that the dial indicator can be repeatedly used.

Preferably, the lifting device further comprises a table plate, the driving device is placed on the table plate, and the lifting device is in contact with the table plate. The driving equipment is placed on the bedplate, and the lifting device is prevented from damaging a bearing surface for bearing the driving equipment.

Preferably, the lifting device further comprises a plurality of backing plates, the backing plates are placed on the bedplate, and the lifting devices are in contact with the backing plates. The lifting device is in contact with the base plate, and the bedplate is prevented from being damaged by the lifting device.

The beneficial effects of the utility model are embodied in: among this technical scheme, all set up hoisting device and percentage table in drive arrangement's base angle department, wherein drive arrangement can directly raise drive arrangement, make things convenient for staff's operation, and the height of lifting can be controlled, be provided with the percentage table in base angle department simultaneously, the staff uses the percentage table to measure and go on with the adjustment in step, so, when avoiding the deviation of wheel center big, measured data is inaccurate, adopt this kind of test mode, need not look over the drawing or measure the perpendicular distance of wheel diameter and drive arrangement base angle and wheel, make things convenient for the staff to calibrate the wheel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is an enlarged schematic view of the position a in fig. 1 according to the present invention;

fig. 3 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 4 is an enlarged schematic view of the position b in fig. 3 according to the present invention;

FIG. 5 is a schematic diagram showing the placement positions and the reading values of the first percentile table when the surface distance difference is measured in the embodiment;

FIG. 6 is a schematic diagram showing a first percentile reading value when the base angle is horizontally adjusted in the case of measuring the surface distance difference in the embodiment;

FIG. 7 is a diagram illustrating the first percentile reading values when the circle pitch difference is measured in the embodiment.

In the attached figure, 1-motor, 2-bolt, 3-nut, 4-bedplate, 5-backing plate, 6-dial indicator, 7 foundation bolts, 8-groove and 9-limiting bolt.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1

As shown in fig. 1 and fig. 2, the driving device is included in this embodiment, a lifting device and a dial indicator 6 are disposed at a bottom corner of the driving device, and the lifting device can drive the driving device to move up and down. In this embodiment, the driving device is a motor 1, the lifting device includes a bolt 2 and a nut 3 in this embodiment, the nut 3 is fixed on the side wall of the driving device, the bolt 2 is matched with the nut 3, and the bolt 2 can contact with the bearing surface bearing the driving device. In order to reduce the friction force applied to the movement of the bolt 2, the end of the bolt 2, which can contact the bearing surface, is spherical in this embodiment. In this embodiment, the bolt 2 is vertically arranged, and the bottom end of the bolt 2 is spherical. In order to enable the dial indicator 6 to be reusable, the dial indicator 6 is detachably connected with the driving device in the embodiment, in order to prevent the lifting device from damaging the bearing surface, the embodiment further comprises a bedplate 4, the driving device is placed on the bedplate 4, and the bottom end of the bolt 2 is in contact with the bedplate 4. In order to prevent the bolts 2 from damaging the bedplate 4, the present embodiment further includes a plurality of backing plates 5, wherein the backing plates 5 are all placed on the bedplate 4, and the bolts 2 are respectively contacted with different backing plates 5.

Example 2

As shown in fig. 3 and 4, the driving device is included in this embodiment, a lifting device and a dial indicator 6 are disposed at a bottom corner of the driving device, and the lifting device can drive the driving device to move up and down. The driving device in this embodiment is a motor 1. In this embodiment the lifting device is a limit bolt 9, the bottom corner of the driving device is provided with a groove 8, the bottom wall of the groove 8 is provided with a threaded hole, the limit bolt 9 is matched with the threaded hole, and the limit bolt 9 can be contacted with the bearing surface of the bearing driving device. In order to reduce the friction force applied to the limit bolt 9 during the moving process, in this embodiment, one end of the limit bolt 9, which can be in contact with the bearing surface, is spherical. In this embodiment, the limit bolt 9 is vertically arranged, the bottom end of the limit bolt 9 contacts with the bearing surface, and the bottom end of the limit bolt 9 is spherical. In order to prevent the lifting device from damaging the bearing surface, the lifting device further comprises a bedplate 4, the driving device is placed on the bedplate 4, and the limiting bolt 9 is in contact with the bedplate 4. In order to prevent the limit bolts 9 from damaging the bedplate 4, the bedplate further comprises a plurality of backing plates 5 in the embodiment, the backing plates 5 are all placed on the bedplate 4, and the limit bolts 9 are respectively contacted with different backing plates 5. The bottom end of the limit bolt 9 in this embodiment is in contact with the backing plate 5.

The following is explained based on example 2, and the specific method is as follows:

1. the bottom wall of the groove 8 is cleaned without rust, dirt, burrs and the like.

2. The bedplate 4 is cleaned without rust, dirt, burrs and the like.

3. The motor 1 is placed on the bedplate 4, and a dial indicator 6 is placed at each bottom corner padding position, and the numbers of #1, #2, #3 and #4 are numbered in the clockwise direction.

4. The reading of the dial indicator 6 is recorded, and the row with the first serial number 1 is filled in.

Watch 1

5. And fastening the foundation bolts 7 one by one according to the sequence, reading the numerical value of the dial indicator 6 after fastening, recording the row of the first sequence number 2 of the indicator, loosening the foundation bolt 7, fastening the next foundation bolt 7, reading and recording, and loosening the foundation bolt 7 until 4 foundation bolts 7 are fastened, read and loosened.

6. The method is the same as the prior art by using 2 first dial gauges on the pair wheel, one for measuring the round distance difference of the pair wheel and the other for measuring the surface distance difference of the pair wheel.

7. The surface distance difference was measured and recorded on fig. 5.

8. According to the value of the first dial indicator, the rear base angle of the motor 1 needs to be lifted to eliminate the difference between the upper surface and the lower surface (0.63-0 is 0.63mm), the change of the value of the dial indicator 6 is observed when the rear base angle of the motor 1 is jacked up by the limit bolt 9, and the adjustment of the rear base angle of the motor 1 is stopped as long as the value of the dial indicator 6 is increased by 0.63/2 to 0.315 mm.

9. The bottom angle of the motor 1 is horizontally adjusted, and the same serial number is 8. The position of the first dial indicator is arranged at a position of 180 degrees, as shown in fig. 6, according to the value of the first dial indicator, the rear bottom angle of the motor 1 can be adjusted, the rear bottom angle of the motor 1 is pushed by the horizontal jack screw at the position of 180 degrees, and the value of the dial indicator 6 at the position is observed, and when the value of the dial indicator 6 is increased by (0.39-0.24)/2-0.075 mm, the adjustment of the rear bottom angle is stopped. The front bottom angle of the motor 1 can be adjusted, the jackscrew at the position of 0 degree can be adjusted, and the adjustment of the front bottom angle is stopped when the reading of the dial indicator 6 at the position is increased by 0.075 mm.

10. When the surface distance difference reaches the quality standard, the circle distance difference is measured again, and the speed is regulated to the wheel circle distance. The measured values are recorded in fig. 7.

11. The dial indicator 6 indicates that the motor 1 is 1.62/2 lower than 0.81mm on the driving device side according to the measured data, and the limit bolts 9 at the 4 bottom corners of the motor 1 jack up the motor 1 simultaneously.

12. The two first dial indicators on the pair of wheels were placed at either the 90 or 270 position. 4 base angles of the motor 1 are simultaneously jacked up, the change of the dial indicator 6 and the first dial indicator is observed while the motor 1 is jacked up, the jacking height of the dial indicator 6 is about 0.81mm, the change of the first dial indicator for measuring the circle distance is about 0.81mm, and the first dial indicator for measuring the surface distance has no obvious change. When the motor 1 jacks up 0.81mm, the motor 1 is stopped.

13. The motor 1 is horizontally adjusted in speed by the same serial number as 12.

14. And measuring the round distance difference and the surface distance difference of the pair wheels again, stopping adjusting the base angle of the motor 1 if the measured values are within the quality standard, and repeating the sequence numbers 5 to 13 if the measured values are not within the quality standard until the quality standard is reached.

15. The dial indicators 6 on the four bottom corners of the motor 1 are read and the row of the first serial number 3 of the indicator is recorded.

16. And subtracting the numerical value of the first serial number 2 from the numerical value of the first serial number 3 to obtain each numerical value of the first serial number 4, and obtaining the thickness of 4 base angles needing to be padded.

17. The cushions with corresponding thickness are manufactured and added on 4 bottom corners of the motor 1, the foundation bolts 7 are fastened, and the first percentage representation value on the opposite wheel is observed during fastening and has no obvious change.

18. And (5) fastening the foundation bolts 7, measuring the difference between the wheel surface distances and the circle distance again, and finishing the work if the quality standard is met.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a structure of wheel alignment center, its characterized in that includes drive arrangement, drive arrangement's base angle department all is provided with hoisting device and percentage table (6), hoisting device can drive arrangement and reciprocate.

2. A structure for centering wheels according to claim 1, characterized in that said lifting means comprise a bolt (2) and a nut (3), said nut (3) being fixed to the side wall of the driving device, said bolt (2) being matched with the nut (3) and the bolt (2) being able to come into contact with the bearing surface bearing the driving device.

3. A structure for centring wheels according to claim 2, characterized in that the end of the bolt (2) that can be brought into contact with the bearing surface is spherical.

4. The structure for centering a wheel according to claim 1, wherein the lifting device is a limit bolt (9), the bottom corners of the driving device are provided with grooves (8), the bottom walls of the grooves (8) are provided with threaded holes, the limit bolt (9) is matched with the threaded holes, and the limit bolt (9) can be contacted with the bearing surface for bearing the driving device.

5. Structure for centring in a wheel according to claim 4, characterized in that the end of the said stop bolt (9) that can come into contact with the bearing surface is spherical.

6. A structure centering around wheels according to claim 1, characterized in that said dial indicator (6) is removably connected to the driving device.

7. A structure for centering wheels according to any one of claims 1 to 6, further comprising a table (4), wherein said driving device is placed on the table (4), and said lifting means is in contact with the table (4).

8. A structure for centring wheels according to claim 7, characterized in that it comprises a plurality of pads (5), said pads (5) being placed on the table (4), and said lifting means being in contact with the pads (5).