CN212482901U

CN212482901U - Quick testing arrangement of bearing

Info

Publication number: CN212482901U
Application number: CN202021090306.8U
Authority: CN
Inventors: 韩卫冬; 王世俊
Original assignee: Suzhou Huizhijing Cage Technology Co ltd
Current assignee: Suzhou Huizhijing Cage Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-05
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a quick testing arrangement of bearing, including the test table platform, it has step motor to lean on left position to pass through the bolt fastening on the test table platform, and the bearing is fixed in step motor's motor shaft through bearing fixed establishment on, both sides correspond bearing position respectively bolt fastening and have the fixing base around being close to on the test table platform, are connected with the protection rope between the fixing base, and the protection rope is taken on bearing top position, is fixed with the rotational speed detector on the test table platform under the bearing. The utility model provides a quick testing arrangement of bearing, the structure sets up ingeniously, and is rationally distributed, and the gasbag inflation when utilizing the air pump to dash into high-pressure gas in to the gasbag, has propped up the battens and supports to circling to the interior of bearing to form the suit of bearing, the inflation of gasbag and the certain distance that returns to have, thereby can adapt to multiple specification and dimension's bearing fixed, different specifications are bearing detection time measuring in batches, need not to change fixed establishment, thereby promoted the operating efficiency.

Description

Quick testing arrangement of bearing

Technical Field

The utility model relates to a bearing check out test set technical field specifically is a quick testing arrangement of bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. Present bearing finishes in production the back, need carry out the sampling to the product of producing and detect, whether it is qualified to detect its performance parameter, the detection of bearing is except detecting the structural strength, pivoted wearing and tearing when bearing in-service use, life is also indispensable, when current bearing life detected, because the inner circle diameter of bearing is inconsistent, the fixed establishment that needs to change the bearing after a batch specification bearing finishes detecting detects another batch bearing, whole operating efficiency has been reduced, must strictly detect according to specification batch, it is inflexible to detect the operation. Therefore, a bearing rapid testing device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick testing arrangement of bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bearing rapid testing device comprises a testing table, wherein a stepping motor is fixed on the testing table close to the left through bolts, a bearing is fixed on a motor shaft of the stepping motor through a bearing fixing mechanism, fixing seats are respectively fixed on the testing table close to the front side and the rear side of the testing table corresponding to the positions of the bearing through bolts, a protection rope is connected between the fixing seats, the protection rope is overlapped on the top of the bearing, and a rotating speed detector is fixed on the testing table under the bearing;

the bearing fixing mechanism comprises a fixing sleeve and a solid cylinder welded with the fixing sleeve, the end part of a motor shaft extends into the fixing sleeve and is fixed through a bolt, a sunken groove is uniformly formed in the upper surface of the solid cylinder, an air bag is arranged in the groove, an air nozzle communicated with the air bag is arranged at the position of the right side edge of the solid cylinder, an expansion plate strip is arranged at the outer side of the solid cylinder corresponding to the position of the air bag, the front end and the rear end of the expansion plate strip are fixed on the solid cylinder through side guard plates, and the solid cylinder and the expansion plate strip are sleeved in a bearing inner ring for fixing;

the side protection plate consists of two folding plates which are hinged on the expansion plate strip and the solid cylinder and are mutually hinged, and the side protection plate supports the expansion plate strip and protects the internal air bag; the folding plate hinged on the expansion plate strip is connected with a spring, the other end of the spring is fixedly connected with the solid cylinder, and the spring provides the retraction capacity of deflation after expansion; the position of the solid cylinder corresponding to the left side and the right side of the bearing is respectively provided with a limiting ring, and the limiting rings are fixed on the solid cylinder through bolts so as to avoid the bearing from being separated when rotating at a high speed; the protection rope is made by wear-resisting rubber, uses rubber can avoid causing excessive wearing and tearing to bearing surface, and rubber has certain soft characteristic, can better laminating bearing inner race radian.

Compared with the prior art, the utility model has the advantages of following several aspects:

the utility model discloses in, the gasbag inflation when utilizing the air pump to pour into high-pressure gas in to the gasbag, prop up the battens that expand and to circle to the interior of bearing to form the suit of bearing, the inflation of gasbag and the certain distance that returns to contract have, thereby can adapt to multiple specification and dimension's bearing fixed, time measuring is examined to the bearing of different specifications batch, need not to change fixed establishment, thereby has promoted the operating efficiency.

The utility model discloses in, utilize the expanded gasbag jack-up expansion plate strip to carry out the suit to the bearing, it is more convenient simple when the bearing is fixed, single specification bearing examines time measuring, can freely switch over temporarily and detect other specification bearings, and it is stronger to detect the flexibility ratio.

Drawings

Fig. 1 is a side view of a rapid bearing testing device.

Fig. 2 is a front view of a rapid bearing testing device.

Fig. 3 is a front view of a bearing fixing mechanism in a bearing rapid test apparatus.

Fig. 4 is a sectional view of a bearing fixing mechanism in a bearing rapid test apparatus.

FIG. 5 is a schematic diagram of a side guard plate in a rapid bearing test device.

In the figure: 1. a test table; 2. a stepping motor; 3. a motor shaft; 4. a bearing fixing mechanism; 5. a bearing; 6. a protective rope; 7. a fixed seat; 8. fixing the sleeve; 9. a solid cylinder; 10. a limiting ring; 11. a battens are expanded; 12. an air tap; 13. an air bag; 14. side guard plates; 15. a groove; 16. folding the board; 17. a spring; 18. and a rotation speed detector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "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 of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, a bearing rapid testing device includes a testing table 1, a stepping motor 2 is fixed on the testing table 1 by bolts near the left position, a bearing 5 is fixed on a motor shaft 3 of the stepping motor 2 by a bearing fixing mechanism 4, the bearing fixing mechanism 4 includes a fixing sleeve 8 and a solid cylinder 9 welded with the fixing sleeve 8, the end of the motor shaft 3 extends into the fixing sleeve 8 and is fixed by bolts, a sunken groove 15 is uniformly arranged on the upper surface of the solid cylinder 9, an air bag 13 is arranged in the groove 15, an air tap 12 communicated with the air bag 13 is arranged on the right side of the solid cylinder 9, an expansion lath 11 is arranged on the outer side of the solid cylinder 9 corresponding to the air bag 13 and is used for cutting the radian of the inner ring of the bearing, therefore, the surface of the expansion lath 11 is also arranged in radian, the front and rear ends of the expansion lath 11 are fixed on the solid cylinder 9 by side guard plates, the side guard plate 14 is composed of two folding plates 16 hinged on the expansion lath 11 and the solid cylinder 9 and hinged with each other, the folding plate 16 hinged on the expansion lath 11 is connected with a spring 17, the other end of the spring 17 is fixedly connected with the solid cylinder 9, the solid cylinder 9 and the expansion lath 11 are sleeved in the inner ring of the bearing 5 for fixing, the left side and the right side of the solid cylinder 9 corresponding to the bearing 5 are respectively provided with a limiting ring 10, the limiting rings 10 are fixed on the solid cylinder 9 through bolts, the test table platform 1 is close to the position that the front and back both sides correspond bearing 5 and is fixed with fixing base 7 by bolt respectively, is connected with protection rope 6 between the fixing base 7, and protection rope 6 takes on the position of bearing 5 top, considers avoiding producing excessive wearing and tearing and detection noise to bearing 5, and protection rope 6 is made by wear-resisting rubber, is fixed with rotational speed detector 18 on the test table platform 1 under the bearing 5.

The utility model discloses a theory of operation is: the utility model provides a bearing rapid test device, the structure is ingenious, and the layout is reasonable, before the detection, the bearing is sleeved outside a solid cylinder 9, then the gas pipe used by a high-pressure gas pump is connected to an air cock 12, high-pressure gas is filled into a gas bag 13, the gas bag 13 is expanded to jack up an expansion plate strip 11, when the expansion plate strip 11 is pressed against an inner ring of a bearing 5, the gas pipe is pulled out, then a limit ring 10 is sleeved on the solid cylinder 9 at the left side and the right side of the bearing 5 and is fixed through a bolt, then a protection rope 6 is pulled up and put on the bearing 5, a stepping motor 2 is started to rotate, a motor shaft 3 drives the inner ring of the bearing to rotate at high speed, a rotating speed detector 18 at the lower part detects the rotating speed, the rotating speed requirement is ensured to meet the detection requirement, the fixing and the dismounting of the bearing are convenient and simple, the operation efficiency is high, the detection flexibility is stronger.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A bearing rapid testing device comprises a testing table (1) and is characterized in that a stepping motor (2) is fixed on the testing table (1) close to the left through bolts, bearings (5) are fixed on a motor shaft (3) of the stepping motor (2) through a bearing fixing mechanism (4), fixing seats (7) are respectively fixed on the testing table (1) close to the front side and the rear side and corresponding to the positions of the bearings (5) through bolts, a protection rope (6) is connected between the fixing seats (7), the protection rope (6) is lapped on the top of the bearings (5), and a rotating speed detector (18) is fixed on the testing table (1) right below the bearings (5);

the bearing fixing mechanism (4) comprises a fixing sleeve (8) and a solid cylinder (9) welded with the fixing sleeve (8), the end part of a motor shaft (3) extends into the fixing sleeve (8) to be fixed through a bolt, a sunken groove (15) is uniformly formed in the upper surface of the solid cylinder (9), an air bag (13) is arranged in the groove (15), an air nozzle (12) communicated with the air bag (13) is installed at the position of the right side edge of the solid cylinder (9), an expansion plate strip (11) is arranged on the outer side of the solid cylinder (9) corresponding to the position of the air bag (13), the front end and the rear end of the expansion plate strip (11) are fixed on the solid cylinder (9) through side protection plates (14), and the solid cylinder (9) and the expansion plate strip (11) are sleeved in an inner ring of the bearing (5) to;

the side guard plate (14) consists of two folding plates (16) which are hinged on the expansion plate strip (11) and the solid cylinder (9) and are mutually hinged; a spring (17) is connected to a folding plate (16) hinged to the expansion plate strip (11), and the other end of the spring (17) is fixedly connected with the solid cylinder (9); the positions, corresponding to the left side and the right side of the bearing (5), of the solid cylinder (9) are respectively provided with a limiting ring (10), and the limiting rings (10) are fixed on the solid cylinder (9) through bolts; the protective rope (6) is made of wear-resistant rubber.