CN215589108U

CN215589108U - Auxiliary device for measuring thrust bearing clearance

Info

Publication number: CN215589108U
Application number: CN202121936234.9U
Authority: CN
Inventors: 孟繁龙; 刘明明; 刘永增
Original assignee: Guoneng Longyuan Environmental Protection Taizhou Co ltd; Guoneng Longyuan Environmental Protection Co Ltd
Current assignee: Guoneng Longyuan Environmental Protection Taizhou Co ltd; Guoneng Longyuan Environmental Protection Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-21
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses an auxiliary device for measuring a thrust bearing gap, which comprises a base, wherein a first mounting bracket and a second mounting bracket are arranged on the base in parallel, mounting holes are formed in the first mounting bracket and the second mounting bracket, a transverse support rod is detachably arranged between the first mounting bracket and the second mounting bracket, a plurality of sections of threads are arranged on the transverse support rod, a first locking nut, a second locking nut, a third locking nut, a fourth locking nut, a first quick adjusting nut and a second quick adjusting nut are arranged on the transverse support rod, and two compression rings are arranged between the first quick adjusting nut and the second quick adjusting nut. The device can guarantee that the front and back clamp force of the thrust bearing to be measured is the same, and the clamp force size that exerts the thrust bearing is adjustable, can adapt to not unidimensional thrust bearing's clearance measurement, and simple structure is compact, and the practicality is strong.

Description

Auxiliary device for measuring thrust bearing clearance

Technical Field

The utility model relates to an auxiliary device for measuring a thrust bearing gap.

Background

At present, thrust bearings are widely applied to large-scale power generation equipment such as thermal power, nuclear power and gas turbines and civil airliners due to the excellent characteristics of the thrust bearings. The thrust bearing generally comprises an outer ring, an inner ring, a rolling body and a retainer, wherein the inner ring is also called a shaft ring, the outer ring is also called a seat ring, and an axial gap is formed between the outer ring and the inner ring. At present, an accurate, quick and integrated gap measuring device does not exist for measuring the gap of the thrust bearing, in the actual measuring operation process, a measurer needs to combine various measuring tools and clamps for measurement and conversion, particularly, the gap of the combined thrust bearing is measured with higher difficulty, errors are accumulated by a measuring method of distributed combination, and different measuring results are generated due to the fact that results measured by different personnel are combined and measured for multiple times.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary device for measuring the gap of a thrust bearing, which can ensure that the front clamping force and the rear clamping force of the thrust bearing to be measured are the same, can adjust the clamping force applied to the thrust bearing, can adapt to the gap measurement of the thrust bearings with different sizes, and has simple and compact structure and strong practicability.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a thrust bearing is auxiliary device for clearance measurement, includes the base, be equipped with first installing support and second installing support on the base side by side first installing support with all be equipped with the mounting hole on the second installing support, can dismantle between first installing support and second installing support and ann has horizontal bracing piece, be equipped with the multistage screw thread on the horizontal bracing piece, be equipped with first lock nut, second lock nut, third lock nut, fourth lock nut, first fast nut and the fast nut of transferring of second on the horizontal bracing piece first fast nut with still be equipped with two clamp rings between the fast nut of transferring of second, with two through first fast nut and the fast nut of transferring of second the clamp ring is close to and extrudees the thrust bearing of installing between two clamp rings and makes thrust bearing front and back compress tightly.

Preferably, the first mounting bracket and the second mounting bracket are both provided with liftable legs, and the first mounting bracket and the second mounting bracket can be adjusted by the liftable legs to adjust the mounting height on the base.

Preferably, the lifting support leg is an electric push rod.

Preferably, the transverse supporting rod is a stepped shaft with a thick middle part and thin two ends, and the maximum outer diameter of the transverse supporting rod is smaller than the diameter of the mounting hole.

Preferably, the number of the multiple sections of the threads is three, and the rotating directions of the three sections of the threads are the same.

Preferably, the first quick adjusting nut and the second quick adjusting nut are provided with a power assisting rod.

Preferably, the power-assisted rod is provided with a transverse handle, and the transverse handle is provided with a rubber sleeve.

Preferably, the material of the compression ring is a metal material.

Preferably, the outer diameter of the compression ring is the same as the diameter of the thrust bearing inner ring.

Preferably, the thickness of the compression ring is 5 mm-8 mm.

In the utility model, the designed first quick adjusting nut and the second quick adjusting nut are provided with the power-assisted rods, a user can directly rotate the first quick adjusting nut and the second quick adjusting nut through the power-assisted rods, a spanner can be saved, the clamping efficiency is improved, a transverse handle on the power-assisted rods can facilitate the user to exert force, the use comfort is improved, the designed compression ring can prevent the abrasion phenomenon generated by the friction of the thrust bearing in the rotating process when the first quick adjusting nut and the second quick adjusting nut compress the thrust bearing, the diameter of the compression ring is the same as that of the inner ring of the thrust bearing, the clamping force can be more uniformly exerted on the thrust bearing, the mounting height of the first mounting bracket and the second mounting bracket on the base can be adjusted by the liftable supporting legs, when the diameter of the measured thrust bearing is larger, the first mounting bracket and the second mounting bracket can be lifted up through the liftable supporting legs, thereby the height between the horizontal bracing piece of increase distance base for thrust bearing can install on horizontal bracing piece and its minimum can not contact the base, improves the device and to different diameter thrust bearing's measurement practicality.

Drawings

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

in the figure: 1. a base; 2. a mounting bracket; 3. a second mounting bracket; 4. lifting support legs; 5. mounting holes; 6. a transverse support bar; 7. a first lock nut; 8. a second lock nut; 9. a third lock nut; 10. a fourth lock nut; 11. a first quick adjustment nut; 12. a second quick adjustment nut; 13. a compression ring; 14. a booster lever; 15. a transverse handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

An auxiliary device for measuring the gap of a thrust bearing as shown in fig. 1 comprises a base 1, wherein the base 1 is of a rectangular structure, a first mounting bracket 2 and a second mounting bracket 3 are mounted on the base 1 in parallel through bolts, a lifting leg 4 is fixedly mounted on each of the first mounting bracket 2 and the second mounting bracket 3, the lifting leg 4 is an electric push rod in one embodiment, the lifting leg 4 can also be a hydraulic cylinder in another embodiment, the lifting leg 4 can also be a telescopic cylinder with height adjusted through bolt tightening, a user can adjust the mounting height of the first mounting bracket 2 and the second mounting bracket 3 on the base 1 by adjusting the height of the lifting leg 4 in the using process, so that the auxiliary device can adapt to the diameters of different thrust bearings, and the thrust bearing can be mounted on the device without the lowest end of the thrust bearing contacting the base 1, the measuring practicability of the device for the thrust bearings with different diameters is improved. The first mounting bracket 2 and the second mounting bracket 3 are both provided with mounting holes 5, the mounting holes 5 on the first mounting bracket 2 and the second mounting bracket 3 are provided with transverse support rods 6, the transverse support rods 6 are stepped shafts with thick middle parts and thin two ends, the maximum outer diameter of the transverse support rods 6 is smaller than the diameter of the mounting holes 5, a user can mount the transverse support rods 6 by penetrating through the mounting holes 5 on any side of the first mounting bracket 2 and the second mounting bracket 3 in the mounting and using process, in a preferred embodiment, detachable adjusting sleeves are fixedly mounted in the mounting holes 5, the outer diameters of different detachable adjusting sleeves are the same as the inner diameter of the mounting holes 5, but the inner diameters of different detachable adjusting sleeves are different, so that the mounting of the transverse support rods 6 with more sizes can be adapted under the condition that the first mounting bracket 2 and the second mounting bracket 3 are not replaced, so that the thrust bearing mounting and measuring device is suitable for more sizes of thrust bearings, and meanwhile, the using number of the first mounting bracket 2 and the second mounting bracket 3 can be reduced, and the manufacturing cost is reduced. The transverse supporting rod 6 is provided with a plurality of sections of threads, the number of the plurality of sections of threads is three in one embodiment, the three sections of threads are respectively arranged on three sections of a stepped shaft of the transverse supporting rod 6, the turning directions of the three sections of threads are the same, the two sections of threads at two ends are fixedly connected with the first mounting bracket 2 and the second mounting bracket 3, so that the two ends of the transverse supporting rod 6 are provided with supporting structures, when the height of the lifting supporting leg 4 is adjusted, the height of the transverse supporting rod 6 is changed along with the height of the lifting supporting leg, and the middle section of thread is used for clamping a thrust bearing needing gap measurement. A first lock nut 7, a second lock nut 8, a third lock nut 9, a fourth lock nut 10, a first quick adjusting nut 11 and a second quick adjusting nut 12 are arranged on the transverse support rod 6, one end of the transverse support rod 6 is fixedly connected to the mounting hole 5 of the first mounting bracket 2 through the first lock nut 7 and the second lock nut 8, the other end of the transverse support rod 6 is fixedly connected to the mounting hole 5 of the second mounting bracket 3 through the third lock nut 9 and the fourth lock nut 10, the first quick adjusting nut 11 and the second quick adjusting nut 12 are used for fixing a thrust bearing, two clamp rings 13 are further arranged between the first quick adjusting nut 11 and the second quick adjusting nut 12, the clamp rings 13 are made of metal materials, the clamp rings 13 can be made of copper or aluminum materials in one embodiment, the clamp rings 13 can also be made of nylon in non-metal materials in another embodiment, the two compression rings 13 are respectively arranged between the first quick adjusting nut 11 and the second quick adjusting nut 12 and the thrust bearing, the abrasion phenomenon caused by friction of the first quick adjusting nut 11 and the second quick adjusting nut 12 on the thrust bearing in the rotating process can be prevented, the thrust bearing is protected from abrasion, the diameter of the outer side of each compression ring 13 is the same as the diameter of the inner ring of the thrust bearing, the thickness of each compression ring 13 is 5-8 mm, clamping force can be more uniformly applied to the thrust bearing, and the outer diameter of each compression ring 13 can be slightly smaller than or slightly larger than the diameter of the inner ring of the thrust bearing in another embodiment. The first quick adjusting nut 11 and the second quick adjusting nut 12 are provided with the power-assisted rod 14, the power-assisted rod 14 is provided with the transverse handle 15, the transverse handle 15 is provided with the rubber sleeve, a user can directly rotate the first quick adjusting nut 11 and the second quick adjusting nut 12 through the power-assisted rod 14, the use of a wrench is omitted, the clamping efficiency is improved, meanwhile, the transverse handle 15 on the power-assisted rod 14 can facilitate the user to exert force, the rubber sleeve on the transverse handle 15 can improve the use comfort, in the measurement preparation process, the user can approach the two compression rings 13 through the first quick adjusting nut 11 and the second quick adjusting nut 12 and squeeze the thrust bearing arranged between the two compression rings 13, so that the front and back pressing forces of the thrust bearing are kept consistent, the tightening degrees of the first quick adjusting nut 11 and the second quick adjusting nut 12 can be adjusted according to the requirements to adjust the pressing forces, a lead wire method is used after the adjustment is finished (the lead wire method means that a thin lead wire passes through the thrust bearing, rotating the thrust bearing to roll the lead wires passing through the thrust bearing, taking out the rolled lead wires to measure the deformation of the lead wires, and measuring the gap of the thrust bearing).

The above embodiments are only a few illustrations of the inventive concept and implementation, not limitations thereof, and the technical solutions without substantial changes are still within the scope of protection under the inventive concept.

Claims

1. The utility model provides a thrust bearing clearance measures and uses auxiliary device, includes the base, its characterized in that: the base is provided with a first mounting support and a second mounting support in parallel, the first mounting support and the second mounting support are provided with mounting holes, a transverse support rod can be detachably mounted between the first mounting support and the second mounting support, a plurality of sections of threads are arranged on the transverse support rod, a first locking nut, a second locking nut, a third locking nut, a fourth locking nut, a first quick adjusting nut and a second quick adjusting nut are arranged on the transverse support rod, two clamp rings are further arranged between the first quick adjusting nut and the second quick adjusting nut, and the two clamp rings are close to and are pressed by a thrust bearing arranged between the two clamp rings.

2. The thrust bearing clearance measurement auxiliary device according to claim 1, wherein: the first mounting bracket and the second mounting bracket are both provided with liftable supporting legs, and the first mounting bracket and the second mounting bracket can be adjusted to be in mounting height on the base.

3. The thrust bearing clearance measurement auxiliary device according to claim 2, characterized in that: the lifting support legs are electric push rods.

4. The thrust bearing clearance measurement auxiliary device according to claim 1, wherein: the transverse supporting rod is a stepped shaft with a thick middle part and thin two ends, and the maximum outer diameter of the transverse supporting rod is smaller than the diameter of the mounting hole.

5. The auxiliary device for measuring a thrust bearing clearance as recited in claim 1 or 4, wherein: the number of the multiple sections of the threads is three, and the rotating directions of the three sections of the threads are the same.

6. The thrust bearing clearance measurement auxiliary device according to claim 1, wherein: and the first quick adjusting nut and the second quick adjusting nut are provided with power-assisted rods.

7. The thrust bearing clearance measurement auxiliary device according to claim 1, wherein: the power-assisted rod is provided with a transverse handle, and the transverse handle is provided with a rubber sleeve.

8. The thrust bearing clearance measurement auxiliary device according to claim 1, wherein: the material of the compression ring is a metal material.

9. The auxiliary device for measuring a thrust bearing clearance as recited in claim 1 or 8, wherein: the diameter of the outer side of the compression ring is the same as that of the inner ring of the thrust bearing.

10. The thrust bearing clearance measurement auxiliary device according to claim 1 or 9, characterized in that: the thickness of the compression ring is 5 mm-8 mm.