CN213067920U

CN213067920U - Fixing device

Info

Publication number: CN213067920U
Application number: CN202021536684.4U
Authority: CN
Inventors: 缪建飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-27
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a fixing device, including cuff body and connecting piece, the interior anchor ring of rotation axis and its interior anchor ring can laminate with rotation axis circumference is located to cuff body cover, and the connecting piece is connected in the cuff body, and wherein, the connecting piece is equipped with the mounting plane that is used for fixed vibration sensor, and the mounting plane is the interior anchor ring of cuff body dorsad. The utility model provides a fixing device compares in prior art with vibration sensor lug connection in rotation axis week portion, and the mounting plane on the connecting piece makes vibration sensor's installation more firm, and vibration sensor is difficult to take place great signal distortion, and the stability that detects is good.

Description

Fixing device

Technical Field

The utility model belongs to the technical field of the sensor installation, more specifically say, relate to a fixing device.

Background

In order to monitor the processing process and health status of devices such as a numerical control machine tool, a generator, and a motor, a vibration sensor is often mounted on a rotating shaft to collect data for analysis. In the prior art, three methods are adopted for mounting a vibration sensor on a rotating shaft: the first is a bolt fixing method, namely, 1 to 4 screw holes are drilled on a rotating shaft and are fixed in a bolt mode; the second is a magnetic attraction method, namely, a strong magnetic magnet is arranged at the bottom of the sensor, and the sensor is fixed on the main shaft by utilizing the attraction of the magnet; and thirdly, an adhesive type is adopted, namely, the sensor and the main shaft are connected by adopting strong dehydration. However, in practical applications, the above three methods all have the following problems: the axial surface of the rotating shaft is not firmly connected with the vibration sensor, and the vibration sensor with high frequency and high precision is easy to generate larger signal distortion, so that the detection precision is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device to there is vibration sensor to take place the signal distortion easily on the rotation axis among the solution prior art, influences the technical problem who detects the precision.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a fixing device for install vibration sensor on the rotation axis, including cuff body and connecting piece, cuff body cover is located rotation axis and interior anchor ring can with rotation axis circumference laminating, the connecting piece is connected in the cuff body, wherein, the connecting piece is equipped with and is used for fixing vibration sensor's mounting plane, mounting plane dorsad the interior anchor ring face of cuff body.

Further, the ferrule body has elasticity and can elastically abut against the rotating shaft.

Further, the mounting plane is adapted to the vibration sensor.

Further, the cross section of the connecting part is arc-shaped; or the cross section of the connecting part is rectangular.

Further, the cross-sectional shape of the ferrule body is circular; alternatively, the ferrule body has a cross-sectional shape of a ring with a flat end.

Further, the ferrule body comprises a first bending piece and a second bending piece, the first bending piece and the second bending piece are detachably connected and can be sleeved on the rotating shaft together, and the connecting piece is connected with the first bending piece; or, the connecting piece is connected with the second bending piece.

Furthermore, the hoop body further comprises a connecting shaft and an adapter, the connecting shaft penetrates through the first bending piece, and the adapter is fixedly connected to the second bending piece and is rotatably connected with the connecting shaft.

Further, the hoop body further comprises a gasket sleeved on the connecting shaft, and the gasket abuts against the first bending piece.

Furthermore, the hoop body further comprises a first connecting lug connected to the outer wall surface of the free end of the first bending piece, a second connecting lug connected to the outer wall surface of the free end of the second bending piece and a locking piece detachably connected with the first connecting lug and the second connecting lug.

Further, the hoop body is still including seting up in the first connecting hole of first engaging lug and seting up in the second connecting hole of second engaging lug, the retaining member wears to establish in proper order first connecting hole with the second connecting hole.

Further, the first connecting hole and the second connecting hole are in threaded connection with the locking piece.

The utility model provides a fixing device's beneficial effect lies in: the utility model discloses fixing device is through setting up a cuff body and connecting in the connecting piece of cuff body, the interior anchor ring of cuff body can laminate with rotation axis circumference, and the connecting piece is equipped with the mounting plane that is used for fixed vibration sensor, before the detection, locate the rotation axis with cuff body cover, and be fixed in the mounting plane of connecting piece with vibration sensor, when the rotation axis starts the rotation, vibration sensor begins to detect the rotation axis, compare in prior art with vibration sensor lug connection in rotation axis week portion, mounting plane on the connecting piece makes vibration sensor's installation more firm, vibration sensor is difficult to take place great signal distortion, the stability of detection is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of an overall structure of a fixing device according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a fixing device according to an embodiment of the present invention;

fig. 3 is a schematic front view of a fixing device according to an embodiment of the present invention;

fig. 4 is a schematic front view of a fixing device according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100. a ferrule body; 110. a first bending member; 120. a second flexure; 130. a connecting shaft; 140. an adapter; 150. a gasket; 160. a first connecting lug; 1600. a first connection hole; 170. a second engaging lug; 1700. a second connection hole; 180. a locking member; 200. a connecting member; 210. a connecting portion; 220. an installation part; .

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, the fixing device of the present invention will now be described. The fixing device is used for installing the vibration sensor on a rotating shaft, specifically, the rotating shaft can be a main shaft of a numerical control machine tool, a main shaft of a generator or a main shaft of a motor, the fixing device comprises a hoop body 100 and a connecting piece 200, the hoop body 100 is sleeved on the rotating shaft, the inner ring surface of the hoop body 100 can be circumferentially attached to the rotating shaft, the hoop body 100 is rigidly connected with the rotating shaft, the effectiveness of the vibration sensor, which can ensure signal transmission, can be ensured, the connecting piece 200 is provided with a mounting plane for fixing the vibration sensor, and the mounting plane faces away from the inner ring surface of the hoop body 100.

Preferably, the ferrule body 100 is made of a metallic material.

The utility model provides a fixing device, through setting up a cuff body 100 and connecting in the connecting piece 200 of cuff body 100, the interior anchor ring of cuff body 100 can laminate with rotation axis circumference, and connecting piece 200 is equipped with the mounting plane who is used for fixed vibration sensor, before detecting, locate the rotation axis with cuff body 100 cover, and be fixed in the mounting plane of connecting piece 200 with vibration sensor, when the rotation axis starts the rotation, vibration sensor begins to detect the rotation axis, compare in prior art with vibration sensor lug connection in rotation axis week portion, the utility model provides a vibration sensor installs on the connecting piece 200 of being connected with cuff body 100, mounting plane on the connecting piece 200 makes vibration sensor's installation more firm, and vibration sensor is difficult to take place great signal distortion, and the stability of detection is good.

As a specific embodiment of the fixing device of the present invention, the ferrule body 100 has elasticity and can elastically abut against the rotation shaft, and the ferrule body 100 is elastically abutted against the rotation shaft, so that the damage of the ferrule body to the rotation shaft can be reduced.

Referring to fig. 1, as a specific embodiment of the fixing device of the present invention, the connecting member 200 includes a connecting portion 210 and a mounting portion 220, the connecting portion 210 is connected to the ferrule body 100, the mounting portion 220 is connected to a side of the connecting portion 210 opposite to the rotating shaft, and the mounting portion 220 is disposed on a mounting plane. Specifically, the mounting plane of the mounting portion 220 is used to mount the vibration sensor, and particularly, the bottom plane of the vibration sensor is connected to the mounting plane, so that the vibration sensor can be stably connected to the connection member 200.

Referring to fig. 1, as a specific embodiment of the fixing device of the present invention, the mounting plane is adapted to the vibration sensor. The size of the mounting portion 220 can just meet the requirement for mounting of the vibration sensor, and cost saving is facilitated.

Referring to fig. 3 and 4, as an embodiment of the fixing device of the present invention, the cross-sectional shape of the ferrule body 100 is circular; alternatively, the ferrule body 100 has a cross-sectional shape of a ring with flat ends. Specifically, the ferrule body 100 of a circular sectional shape is used with a cylindrical rotating shaft, and the ferrule body 100 of an annular sectional shape having a flat end is used with a cylindrical rotating shaft having a flat end.

Referring to fig. 1 to 4, as an embodiment of the fixing device of the present invention, the ferrule body 100 includes a first bending member 110 and a second bending member 120, the first bending member 110 and the second bending member 120 are detachably connected to each other and can be commonly sleeved on the rotation shaft, so as to conveniently sleeve the ferrule body 100 on the rotation shaft, thereby improving the operation efficiency.

Referring to fig. 1, as an embodiment of the fixing device of the present invention, a connecting member 200 is connected to a first bending member 110; or, the connecting member 200 is connected with the second bending member 120. The connecting member 200 can be connected to any position on the first bending member 110, and can also be connected to any position on the second bending member 120, and can be flexibly selected.

Referring to fig. 2, as an embodiment of the fixing device of the present invention, the ferrule body 100 further includes a connecting shaft 130 and an adaptor 140, the connecting shaft 130 is disposed through the first bending member 110, and the adaptor 140 is fixedly connected to the second bending member 120 and rotatably connected to the connecting shaft 130. When the ferrule body 100 needs to be sleeved on a rotating shaft, the first bending member 110 and the second bending member 120 can relatively rotate around the connecting shaft 130, so that the free ends of the first bending member 110 and the second bending member 120 move back to back and form an opening, the larger the angle of relative rotation between the first bending member 110 and the second bending member 120 is, the larger the caliber of the opening is, and when the caliber of the opening is larger than the diameter of the rotating shaft, the ferrule body 100 can be sleeved on the rotating shaft through the opening, which is very convenient.

Please refer to fig. 2, as an embodiment of the fixing device of the present invention, the ferrule body 100 further includes a gasket 150 sleeved on the connecting shaft 130, the gasket 150 abuts against the first bending member 110, and the gasket 150 can reduce the abrasion of the connecting shaft 130 to the first bending member 110.

Please refer to fig. 2, which is a specific embodiment of the fixing device of the present invention, the ferrule body 100 further includes a first connecting lug 160 connected to the outer wall surface of the free end of the first bending member 110, a second connecting lug 170 connected to the outer wall surface of the free end of the second bending member 120, and a locking member 180 detachably connecting the first connecting lug 160 and the second connecting lug 170. The locking member 180 can lock the first bending member 110 and the second bending member 120 on the rotation shaft to ensure that the vibration sensor is reliably fastened on the connection member 200 and can avoid large deformation of the rotation shaft, and the first coupling lug 160 and the second coupling lug 170 facilitate the locking member 180 to couple the first bending member 110 and the second bending member 120, thereby improving the working efficiency.

Please refer to fig. 2, as an embodiment of the fixing device of the present invention, the ferrule body 100 further includes a first connecting hole 1600 formed in the first bending member 110 and a second connecting hole 1700 formed in the second bending member 120, and the locking member 180 sequentially penetrates through the first connecting hole 1600 and the second connecting hole 1700. The connection mode is simple and reliable.

As a specific embodiment of the fixing device of the present invention, the first and second connection holes 1600 and 1700 are both threadedly connected to the locking member 180. And the threaded connection is adopted, so that the connection mode is simple and reliable.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a fixing device for install vibration sensor on the rotation axis, its characterized in that, includes cuff body and connecting piece, cuff body cover is located rotation axis and interior anchor ring can with rotation axis circumference laminating, the connecting piece is connected in the cuff body, wherein, the connecting piece is equipped with and is used for fixing vibration sensor's mounting plane, mounting plane dorsad the interior anchor ring face of cuff body.

2. The fastening device of claim 1, wherein the ferrule body is resilient and capable of resiliently abutting against the rotating shaft.

3. The fixture of claim 1, wherein the mounting plane is adapted to the vibration sensor.

4. The securing device of claim 1, wherein the ferrule body is circular in cross-sectional shape; alternatively, the ferrule body has a cross-sectional shape of a ring with a flat end.

5. The fixing device as claimed in claim 1, wherein the ferrule body comprises a first bending member and a second bending member, the first bending member and the second bending member are detachably connected and can be sleeved on the rotating shaft together, and the connecting member is connected with the first bending member; or, the connecting piece is connected with the second bending piece.

6. The securing device of claim 5, wherein the ferrule body further includes a connecting shaft and an adaptor, the connecting shaft is disposed through the first bending member, and the adaptor is fixedly connected to the second bending member and rotatably connected to the connecting shaft.

7. The securing device according to claim 6, wherein the ferrule body further includes a spacer sleeved on the connecting shaft, the spacer abutting against the first bending member.

8. The securing device according to claim 6, wherein the ferrule body further includes a first coupling lug coupled to the outer wall surface of the free end of the first flexure, a second coupling lug coupled to the outer wall surface of the free end of the second flexure, and a locking member for detachably coupling the first coupling lug to the second coupling lug.

9. The fixing device as claimed in claim 8, wherein the ferrule body further includes a first connecting hole opened in the first connecting lug and a second connecting hole opened in the second connecting lug, and the locking member is sequentially inserted through the first connecting hole and the second connecting hole.

10. The fixation device of claim 9, wherein the first attachment aperture and the second attachment aperture are each threadably coupled to the retaining member.