CN217654758U - Bearing problem point detection equipment for analyzing natural vibration frequency characteristics - Google Patents

Abstract

The utility model discloses a natural vibration frequency characteristic analysis bearing problem point check out test set, including the drive shaft, the positive fixed mounting of drive shaft has the connecting seat, surveys the device in the surface movable mounting of connecting seat, and the side movable mounting of drive shaft has an outer survey device. In the above scheme, when the bearing needs to test the frequency of spare part, can directly come to judge the problem point of bearing through the natural frequency of measuring the different parts of bearing with survey device outward and interior survey device, different lasso parts have its distinctive vibrations frequency value, observe its vibrations value's size on corresponding vibrations frequency value, can directly judge which part position of bearing goes wrong, thereby just can accurately judge before dispatching from the factory, avoid unqualified the leaving factory of bearing, also can measure the bearing after the use, help production optimization, help the user to solve corresponding problem, and corresponding can adjust the specification and make the practicality of device itself improve.

Description

Bearing problem point detection equipment for analyzing natural vibration frequency characteristics

Technical Field

The utility model relates to a bearing technical field, more specifically say, the utility model relates to a natural vibration frequency characteristic analysis bearing problem point check out test set.

Background

Early linear motion bearings, where a row of wooden bars was placed under a row of crow plates, used the same working principle as modern linear motion bearings, but sometimes replaced the rollers with balls, the simplest rotating bearing was a sleeve bearing, which was just a bush sandwiched between the wheel and the axle, and this design was then replaced by a rolling bearing, where the original bush was replaced with a number of cylindrical rollers, each rolling element being like a separate wheel.

However, in practical use, there still exist some disadvantages, such as: most of the existing bearings have fixed vibration frequency, so corresponding detection equipment for detecting the vibration frequency is also provided, and the corresponding detectors adopted in the prior art are used for detecting, but the position of a part cannot be judged to be in a problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an inherent vibration frequency characteristic analysis bearing problem point check out test set to solve prior art and can't judge which position of concrete part goes wrong problem.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an inherent vibration frequency characteristic analysis bearing problem point check out test set, includes the drive shaft, the front fixed mounting of drive shaft has the connecting seat, survey the device in the surface movable mounting of connecting seat, the side movable mounting of drive shaft has outer survey the device.

The connecting device comprises a connecting seat, a connecting seat and a limiting groove, wherein a wire groove is formed in the surface of the left side of the connecting seat, a sliding groove is formed in the surface of the connecting seat, the limiting groove is formed in the sliding groove, an internal threaded pipe is fixedly communicated with the top surface of the connecting seat, and the bottom end of the internal threaded pipe is connected with the sliding groove.

The internal testing device comprises a screw rod, a connecting pipe is installed at the bottom end of the screw rod in a rotating mode, a testing rod is integrally formed at the bottom end of the connecting pipe, and limiting blocks are fixedly installed on the left side and the right side of the testing rod.

Wherein, the surface thread of screw rod installs in the inside of internal thread pipe, stopper slidable mounting is in the inside of spacing groove, test bar slidable mounting is in the inside of sliding tray.

The outer survey device comprises an installation pipe, the surface of installation pipe is formed integrally with a limit ring, the fixed intercommunication in side of limit ring has external screw thread pipe, the outer tube is installed to external screw thread pipe's surface screw thread, the surface of outer tube is formed integrally with the promotion ring, the telescopic link has been cup jointed in external screw thread pipe's inside activity, the fixed surface of telescopic link installs the laminating ring, the one end of telescopic link is formed integrally with outer measuring rod.

Wherein, the shape of telescopic link and the inside shape phase adaptation of external screw thread pipe.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

among the above-mentioned scheme, can directly come to judge the problem point of bearing through the natural frequency of measuring the different parts of bearing with survey the device outward and survey the device in, different lasso parts have its distinctive vibrations frequency value, survey the size of its vibrations value on corresponding vibrations frequency value, can directly judge which part position of bearing goes wrong, thereby just can accurately judge before dispatching from the factory, avoid unqualified the dispatching from the factory of bearing, also can measure the bearing after using, help production optimization, help the user to solve corresponding problem, and corresponding can adjust the specification and make the practicality of device itself improve.

Drawings

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

FIG. 2 is a perspective assembly view of the integrated device of the present invention;

FIG. 3 is a schematic view of the connection structure of the connection seat of the present invention;

fig. 4 is a schematic structural view of the internal measurement device of the present invention;

fig. 5 is a schematic structural view of the external measuring device of the present invention.

[ reference numerals ]

1. A drive shaft; 2. a connecting seat; 3. an internal measurement device; 4. an external measurement device; 21. a wire slot; 22. a sliding groove; 23. a limiting groove; 24. an internally threaded tube; 31. a screw; 32. a connecting pipe; 33. a test rod; 34. a limiting block; 41. installing a pipe; 42. a limiting ring; 43. an externally threaded tube; 44. an outer tube; 45. a push ring; 46. fitting a ring; 47. a telescopic rod; 48. an outer measuring rod.

Detailed Description

To make the technical problems, technical solutions and advantages of the present invention clearer, the following description is made in conjunction with the accompanying drawings and specific embodiments.

As attached figure 1 to figure 5 the embodiment of the utility model provides a natural vibration frequency characteristic analysis bearing problem point check out test set, including drive shaft 1, the positive fixed mounting of drive shaft 1 has connecting seat 2, survey device 3 in the surface movable mounting of connecting seat 2, the side movable mounting of drive shaft 1 has outer survey device 4.

As shown in fig. 2 to 5, a wire casing 21 has been seted up on the left side surface of connecting seat 2, sliding tray 22 has been seted up on the surface of connecting seat 2, spacing groove 23 has been seted up in the inside of sliding tray 22, the fixed intercommunication of top surface of connecting seat 2 has internal thread pipe 24, the bottom of internal thread pipe 24 links to each other with sliding tray 22, interior survey device 3 includes screw rod 31, connecting pipe 32 has been installed in the bottom rotation of screw rod 31, the bottom of connecting pipe 32 is formed with test rod 33 integratively, the left and right sides of test rod 33 all fixedly mounted has stopper 34, the surface screw thread of screw rod 31 is installed in the inside of internal thread pipe 24, stopper 34 slidable mounting is in the inside of spacing groove 23, test rod 33 slidable mounting is in the inside of sliding tray 22, exterior device 4 includes installation pipe 41, the surface of installation pipe 41 is formed with spacing ring 42 integratively, the side of spacing ring 42 is fixed with external thread pipe 43, the surface thread of external thread pipe 43 installs 44, the surface thread of external thread pipe 43 has a pushing ring 45, the inside of external thread pipe 43 cup joints activity pipe 47, the surface of fixed mounting has an external thread 47, the telescopic rod 47 is formed with the adaptation of telescopic rod 47, the telescopic rod shape of telescopic rod 47 and the telescopic rod shape of telescopic link and the telescopic rod 48.

Specifically, the bearing is sleeved above the existing oscilloscope fixture, then the screw 31 is rotated to drive the testing rod 33 to move to a proper position corresponding to the inside of the bearing along the limiting groove 23 through the limiting block 34, then the outer tube 44 is rotated to be matched with the outer threaded tube 43 to enable the testing rod to move, then the pushing ring 45 is used for driving the pasting ring 46 to move, so that the tail end of the outer testing rod 48 is driven to move to enable the outer testing rod to be pasted on the surface of the outer side of the bearing, finally the bearing is driven to rotate through the driving device of the oscilloscope fixture, then the information is transmitted to the oscilloscope display screen through the testing device, whether the frequency is changed or not is judged through observation, so that whether the bearing part is damaged or not is determined, the outer testing device 4 and the inner testing device 3 can be used for simultaneously detecting a plurality of parts of the bearing, the detection time is saved, whether the state of the part is normal or not is quickly distinguished, and the interaction between the outer tube 44 and the screw 31 is matched, so that the positions of the outer testing device 4 and the inner testing device 3 can be correspondingly adjusted, thereby enabling the equipment to be adapted to meet the testing requirements of different specifications, and further improving the overall practicability of the whole device.

The working process of the utility model is as follows: the bearing is sleeved above the existing oscilloscope fixture, then the screw 31 is rotated to drive the testing rod 33 to move to a proper position corresponding to the inside of the bearing along the limiting groove 23 through the limiting block 34, then the outer tube 44 is rotated, the testing rod is enabled to move by being matched with the outer threaded tube 43, then the pushing ring 45 is used for driving the attaching ring 46 to move, so that the tail end of the outer testing rod 48 is driven to move, the outer testing rod can be attached to the surface of the outer side of the bearing, finally the bearing is driven to rotate by the driving device of the oscilloscope fixture, then the testing device is enabled to transmit information to the oscilloscope display screen, whether the frequency is changed or not is judged by observation, and whether the bearing part is damaged or not is determined.

Above-mentioned scheme utilizes outer survey device 4 and interior survey device 3 and can detect simultaneously a plurality of parts of bearing, has both practiced thrift check-out time, has also reached and has differentiateed whether the normal of spare part state fast, and cooperates the interact of outer tube 44 and screw rod 31 for corresponding regulation can be carried out to outer survey device 4 and interior survey device 3's position, thereby makes equipment can adapt to the bearing test requirement of different kinds of specifications, consequently further reaches the effect that improves the overall installation practicality.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims (6)

1. The utility model provides an inherent vibration frequency characteristic analysis bearing problem point check out test set, includes drive shaft (1), its characterized in that, the front fixed mounting of drive shaft (1) has connecting seat (2), survey device (3) in the surface movable mounting of connecting seat (2), the side movable mounting of drive shaft (1) has outer survey device (4).

2. The natural vibration frequency characteristic analysis bearing problem point detection device according to claim 1, wherein a wire groove (21) is formed in the left side surface of the connecting seat (2), a sliding groove (22) is formed in the surface of the connecting seat (2), a limiting groove (23) is formed in the sliding groove (22), an internal threaded pipe (24) is fixedly communicated with the top surface of the connecting seat (2), and the bottom end of the internal threaded pipe (24) is connected with the sliding groove (22).

3. The natural frequency characteristic analysis bearing problem point detection apparatus according to claim 1, wherein the internal measurement device (3) includes a screw (31), a connection pipe (32) is rotatably installed at a bottom end of the screw (31), a test rod (33) is integrally formed at a bottom end of the connection pipe (32), and a limit block (34) is fixedly installed on each of a left side and a right side of the test rod (33).

4. The natural vibration frequency characteristic analysis bearing problem point detecting apparatus according to claim 3, wherein the surface thread of the screw rod (31) is installed inside the internally threaded tube (24), the stopper (34) is slidably installed inside the stopper groove (23), and the test rod (33) is slidably installed inside the sliding groove (22).

5. The natural vibration frequency characteristic analysis bearing problem point detection apparatus according to claim 1, wherein the external measurement device (4) comprises a mounting tube (41), a limiting ring (42) is integrally formed on the surface of the mounting tube (41), an external threaded tube (43) is fixedly communicated with the side surface of the limiting ring (42), an external tube (44) is installed on the surface of the external threaded tube (43) in a threaded manner, a pushing ring (45) is integrally formed on the surface of the external tube (44), a telescopic rod (47) is movably sleeved inside the external threaded tube (43), a fitting ring (46) is fixedly installed on the surface of the telescopic rod (47), and an external measurement rod (48) is integrally formed at one end of the telescopic rod (47).

6. The natural frequency characteristic analysis bearing problem point detecting apparatus according to claim 5, wherein a shape of the telescopic rod (47) is adapted to a shape of an inside of the external thread pipe (43).

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