Bearing sealing ring pulling-out force detection tool

Abstract

The utility model provides a bearing sealing ring pulling-out force detection tool comprising a pressure testing machine, a lifting crossbeam of the pressure testing machine is provided with a pressure sensor, the bottom of the pressure sensor is provided with a trigger seat, and a test bench of the pressure testing machine is detachably provided with a positioning seat. The middle of the positioning seat is concave downwards to form a positioning groove used for containing a bearing outer ring, and the middle of the positioning groove is concave downwards to form a receding groove allowing a bearing sealing ring to enter. When the lifting cross beam descends, the trigger base makes contact with the pressing head and pushes the pressing head downwards, and the annular pressing protrusion pushes the bearing sealing ring downwards till the bearing sealing ring is disengaged. And meanwhile, the trigger seat transmits the reverse thrust of the bearing sealing ring to the pressure sensor so as to detect the pulling-out force of the bearing sealing ring. By adopting the structure, the pulling-out force detection of the outer lip of the bearing sealing ring can be realized, the structure is simple, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field especially relates to a bearing sealing ring pull-off force detection frock. BACKGROUND

[0002] The sealing ring of bearing plays an important role to the performance and life of bearing, on one hand, the sealing ring can keep the lubricant from losing in use, always keeps the bearing in lubrication state, on the other hand, the sealing ring can prevent dust or harmful gas from entering the bearing cavity, causing damage to the bearing. Whether the outer lip of bearing sealing ring can be firmly installed in the sealing groove of bearing outer ring, if the firmness is poor, the outer lip of bearing sealing ring is easy to fall off from the sealing groove in use, thereby affecting the sealing degree of the outer lip of bearing sealing ring in the sealing groove of bearing outer ring. But in the prior art, there is no method for conveniently detecting the pull-off force of bearing sealing ring, therefore, it is urgent to design a bearing sealing ring pull-off force detection frock, and the utility model technology fills the gap in this aspect. SUMMARY

[0003] The utility model discloses a bearing sealing ring pull-off force detection frock, which can solve the technical problems mentioned in the background.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a bearing sealing ring pull-off force detection frock, comprising a pressure testing machine, a pressure sensor is arranged on the lifting beam of the pressure testing machine, the pressure sensor is electrically connected with a computer, a trigger seat is arranged at the bottom of the pressure sensor, a positioning seat is detachably arranged on the test table of the pressure testing machine, the positioning seat is located directly below the trigger seat, the middle part of the positioning seat is concave downward to form a positioning groove for placing the bearing outer ring, the middle part of the positioning groove is concave downward to form a relief groove for the bearing sealing ring to enter;

[0005] A pressure head is arranged on the positioning seat and can be removed, the lower end of the pressure head is provided with an annular pressure convex which presses on the skeleton of the bearing sealing ring, when the lifting beam is lowered, the trigger seat contacts with the pressure head and pushes the pressure head downward, the annular pressure convex pushes the bearing sealing ring downward until it is pulled out, at the same time, the trigger seat transmits the reverse thrust of the bearing sealing ring to the pressure sensor to detect the pull-off force of the bearing sealing ring.

[0006] As a preferred, the bottom of the trigger seat is a circular platform which contacts with the upper end of the pressure head.

[0007] As a preferred, a limiting shaft shoulder is arranged on the pressure head for limiting the upper side of the upper end face of the bearing outer ring.

[0008] As a preferred, the positioning seat is detachably arranged on the test table of the pressure testing machine through a magnet.

[0009] Compared with the prior art, the beneficial effects of the utility model lie in that the above structure can realize the pull-out force detection of the outer lip of the bearing sealing ring, is simple in structure and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is the structural schematic diagram of the utility model.

[0011] Figure 2 is the partial exploded view of the utility model. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0013] As shown in Figure 1 , Figure 2 The utility model provides a bearing sealing ring pull-out force detection frock, including pressure testing machine 1, the lifting beam 2 of pressure testing machine 1 is equipped with pressure sensor 3, this pressure sensor 3 electrically connected with computer, the bottom of this pressure sensor 3 is installed with trigger seat 4, the test table 5 of pressure testing machine 1 is detachably installed with positioning seat 6, the positioning seat 6 is located just below trigger seat 4, the middle part of positioning seat 6 is concave to form the positioning groove 8 for placing bearing outer ring 7, the middle part of positioning groove 8 is concave to form the avoiding groove 10 for bearing sealing ring 9 to enter, positioning seat 6 is equipped with the pressure head 11 of taking off, the lower end of pressure head 11 is equipped with annular pressure convex 12 and is pressed on the framework of bearing sealing ring 9, when lifting beam 2 drops, trigger seat 4 contacts with pressure head 11 and pushes down pressure head 11, annular pressure convex 12 pushes bearing sealing ring 9 downwards until to take out, and simultaneously trigger seat 4 will receive the reverse thrust of bearing sealing ring 9 and is transmitted to pressure sensor 3 to detect the pull-out force of bearing sealing ring 9.

[0014] The utility model discloses a bearing seal ring 9 is placed in the positioning groove 8 of positioning seat 6 to bearing outer ring 7 that is equipped with, and the outer lip of bearing seal ring 9 is located in the downside sealing groove of bearing outer ring 7, then the pressure head 11 is placed on positioning seat 6, and the annular pressure convex 12 on pressure head 11 contacts bearing seal ring 9 skeleton, then starts pressure testing machine 1, and pressure testing machine 1 drives lifting beam 2 to descend, and pressure sensor 3 and trigger seat 4 descend along with it, and the lower end of trigger seat 4 contacts the upper end of pressure head 11, and pushes down pressure head 11. In the detection of pull-off force, by trigger seat 4 to pressure head 11 exert pressure, and the annular pressure convex 12 on pressure head 11 presses on bearing seal ring 9 skeleton and pushes down bearing seal ring 9, and pressure sensor 3 will detect pressure, and pressure value gradually increases from zero, when pressure value suddenly becomes zero, indicates that bearing seal ring 9 is pressed off and falls into the avoidance groove 10, and pressure sensor 3 will pass pressure data to computer, and computer will record and analyze the pressure data, and obtains the pull-off force value of bearing seal ring 9, then pressure testing machine 1 drives lifting beam 2 to ascend, and bearing outer ring 7 and bearing seal ring 9 are taken out, and the next round of test can be carried out. The utility model realizes the pull-off force detection of bearing seal ring 9, and its structure is simple, and convenient operation is realized.

[0015] As preferred, the bottom of the trigger seat 4 is a circular platform that contacts the upper end of the pressure head 11. The circular platform facilitates the application of pressure.

[0016] As preferred, the pressure head 11 is provided with a limiting shaft shoulder 13 that limits the upper side of the upper end surface of the bearing outer ring 7. When the limiting shaft shoulder 13 of the pressure head 11 contacts the bearing outer ring 7, it indicates that the pressure head 11 has been lowered to the proper position, avoiding excessive lowering of the pressure head 11.

[0017] As preferred, the positioning seat 6 is detachably connected to the test table 5 of the pressure testing machine 1 by a magnet. This facilitates the replacement of the positioning seat 6 and allows the pull-off force test of bearings and bearing seal rings of different specifications.

[0018] Although the embodiments of the utility model have been disclosed as above, they are not limited to the application listed in the specification and the embodiments. They can be applied to various fields suitable for the utility model. Those skilled in the art can easily make other modifications. Therefore, the utility model is not limited to specific details and the figures shown and described herein without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A bearing seal ring pull-out force detection tool, comprising a pressure testing machine, characterized in that: The lifting crossbeam of the pressure testing machine is provided with a pressure sensor, the pressure sensor is electrically connected with a computer, the bottom of the pressure sensor is provided with a trigger seat, the testing table of the pressure testing machine is detachably provided with a positioning seat, the positioning seat is located directly below the trigger seat, the middle part of the positioning seat is concave downward to form a positioning groove for placing the outer ring of the bearing, the middle part of the positioning groove is concave downward to form a relief groove for the bearing seal ring to enter; The positioning seat is provided with a removable pressure head, the lower end of the pressure head is provided with an annular pressure convex which is pressed on the bearing seal ring skeleton, when the lifting crossbeam is lowered, the trigger seat is in contact with the pressure head and pushes the pressure head downward, the annular pressure convex pushes the bearing seal ring downward until the bearing seal ring is pulled off, at the same time, the trigger seat transmits the reverse thrust of the bearing seal ring to the pressure sensor to detect the pull-off force of the bearing seal ring.

2. The bearing seal ring pull-off force detection tool of claim 1, wherein: The bottom of the trigger seat is a circular platform which is in contact with the upper end of the pressure head.

3. The bearing seal ring pull-out force detection tooling of claim 1 or 2, wherein: The pressure head is provided with a limiting shaft shoulder which is used for limiting the upper side of the upper end face of the bearing outer ring.

4. The bearing seal ring pull-out force detection tooling of claim 1 or 2, wherein: The positioning seat is detachably installed on the testing table of the pressure testing machine through a magnet.

Images