CN208887594U - A kind of shaft detection device - Google Patents

A kind of shaft detection device Download PDF

Info

Publication number
CN208887594U
CN208887594U CN201821868148.7U CN201821868148U CN208887594U CN 208887594 U CN208887594 U CN 208887594U CN 201821868148 U CN201821868148 U CN 201821868148U CN 208887594 U CN208887594 U CN 208887594U
Authority
CN
China
Prior art keywords
sensor
detection device
shaft
mounting portion
mounting groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821868148.7U
Other languages
Chinese (zh)
Inventor
宋健
叶俊奇
耿继青
刘永连
汪正学
何圳涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201821868148.7U priority Critical patent/CN208887594U/en
Application granted granted Critical
Publication of CN208887594U publication Critical patent/CN208887594U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The utility model provides a kind of shaft detection device, including shaft (1), and including the front end being oppositely arranged along its length and tail end, the sunken end face of tail end forms mounting groove (11);Sensor (2) is set to mounting groove (11) inner circumferential side.Shaft detection device provided by the utility model includes shaft and sensor, wherein, the tail end of shaft is provided with mounting groove, mounting groove is formed by the sunken end face of tail end, sensor is arranged in mounting groove, therefore sensor will not occupy additional space, can effectively reduce the volume of entire shaft detection device, and make the structure of entire shaft detection device simpler.

Description

A kind of shaft detection device
Technical field
The utility model belongs to detection technique field, and in particular to a kind of shaft detection device.
Background technique
Since the diameter of axle of high-power electro spindle is big, and electro spindle belongs to the main execution unit of machine tooling, installation essence The quality of degree directly influences the machining accuracy of electro spindle.And the centering installation accuracy of electro spindle is generally all in the range of 2 μm, It is required that high.
Sensor is mounted on main shaft periphery side to detect the machining accuracy of main shaft by the prior art, and high-power electro spindle Main shaft outer diameter is big, leads to the retainer outer diameter requirement for installing alignment sensor probe while increasing.Because to be protected in sensor The mounting hole that processed sensor is popped one's head on frame is held, since aperture is excessive, the processing technology that will lead to retainer is complicated, improves processing Cost, while also bringing along the problem for wiring, cabling difficulty occur.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of shaft detection device, detection can be simplified The structure of device, and reduce the volume of apparatus structure.
To solve the above-mentioned problems, the utility model provides a kind of shaft detection device, including shaft, including along its length The sunken end face of the front end and tail end that direction is oppositely arranged, tail end forms mounting groove;Sensor is set to mounting groove inner circumferential side.
Preferably, mounting groove includes the first opening positioned at tail end end face and the inner wall around the first opening setting, inner wall It is tapered.
Preferably, sensor is set to inner wall along the middle part in shaft length direction.
Preferably, further including sensor stand, be set to the tail end of shaft, sensor is set on sensor stand, and It is set in mounting groove by sensor stand.
Preferably, sensor stand includes mounting portion, and mounting portion is cylindrical and is located in mounting groove, and sensor is set to The side of mounting portion.
Preferably, sensor stand further includes accommodating chamber and the second opening being connected to accommodating chamber, at least partly accommodating chamber In mounting portion, the side of mounting portion is provided with the through-hole being connected to accommodating chamber, and sensor is set in through-hole.
Preferably, sensor stand further includes pedestal, is set to the one end of mounting portion far from front end, and along far from mounting portion Direction elongation moulding, mounting portion is installed in shaft by pedestal.
Preferably, accommodating chamber extends to mounting portion by pedestal, and the second opening is set to end of the pedestal far from mounting portion.
It preferably, further include axle sleeve, axle sleeve is sheathed on outside shaft, and sensor stand is set on axle sleeve, and passes through axle sleeve It is set to the tail end of shaft.
Preferably, further include rear bearing block, be set to one end of the setting sensor stand of axle sleeve, sensor stand setting In on rear bearing block, and it is set on axle sleeve by rear bearing block.
Preferably, sensor is two or more, and more than two sensors include be separately positioned on mounting portion first straight The first sensor and second sensor at diameter both ends.
Preferably, more than two sensors further include the third sensing for being separately positioned on the second diameter both ends of mounting portion Device and the 4th sensor, first diameter and second diameter intersection.
Preferably, second diameter and first diameter are vertical.
Preferably, sensor is current vortex sensor or inductance sensor.
Shaft detection device provided by the utility model includes shaft and sensor, wherein the tail end of shaft is provided with peace Tankage, mounting groove are formed by the sunken end face of tail end, sensor be arranged in mounting groove, therefore sensor will not occupy it is additional Space, can effectively reduce the volume of entire shaft detection device, and make the structure of entire shaft detection device simpler It is single.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the shaft detection device of the utility model embodiment;
Fig. 2 is the sensor arrangement figure of the shaft detection device of the utility model embodiment.
Appended drawing reference indicates are as follows:
1, shaft;11, mounting groove;12, inner wall;2, sensor;21, first sensor;22, second sensor;23, third Sensor;24, the 4th sensor;3, sensor stand;31, mounting portion;32, accommodating chamber;33, the second opening;34, pedestal;4, Axle sleeve;5, rear bearing block.
Specific embodiment
The sensor of detection device is set to the peripheral side of shaft in the prior art, when shaft is when being relatively large in diameter, sensing The volume of device bracket is also larger, so that the structure of detection device is more complicated, occupies more spaces.
Based on the above issues, applicant spy proposes this programme.
It is grown in conjunction with referring to Fig. 1, embodiment according to the present utility model, shaft detection device, including shaft 1, including along it The front end and tail end that degree direction is oppositely arranged, the sunken end face of tail end form mounting groove 11;Sensor 2 is set to mounting groove 11 Inner circumferential side.
Wherein, it is not limited here, sensor 2 can be current vortex sensor to the specific set-up mode of sensor 2, or Sensor 2 can be inductance sensor.
Shaft detection device provided by the utility model includes shaft 1 and sensor 2, wherein the tail end of shaft 1 is provided with Mounting groove 11, mounting groove 11 are formed by the sunken end face of tail end, and sensor 2 is arranged in mounting groove 11, therefore sensor 2 will not Additional space is occupied, the volume of entire shaft detection device can be effectively reduced, and makes entire shaft detection device Structure is simpler.And sensor 2 is installed on tail end by the utility model, and in the assembling process of shaft, the change of shaft tail end Shape amount is maximum, convenient for detection feedback.
The shape of mounting groove 11 can be cylindrical or taper, it is preferred that mounting groove 11 includes positioned at the of tail end end face One opening and the inner wall 12 being arranged around the first opening, inner wall 12 are tapered.In these optional embodiments, when sensor 2 When being set to inner wall 12, when shaft 1 causes axial thermal stretching due to fever, since the distinctive axial direction of cone structure and radial direction are right It should be related to, sensor 2 can obtain indirectly the axial displacement of shaft 1, and then extrapolate by the radial displacement of measurement shaft 1 The axial elongation of shaft 1.Wherein, taper can be cone or shape, as long as internal partial wall 12 and horizontal plane are in a clamp Angle.
It is not limited here, sensor 2 can be set in one end of inner wall 12 for the setting position of sensor 2, it is preferred that pass Sensor 2 is set to inner wall 12 along the middle part of 1 length direction of shaft.When sensor 2 is set to middle part, even if shaft 1 extends, pass Relative position between sensor 2 and mounting groove 11 changes, and sensor 2 is still arranged towards tapered inner wall 12, prevents The inner wall 12 that sensor 2 removes taper causes testing result inaccurate outside.
The mounting means of sensor 2 it is not limited here, sensor 2 can directly concealed installation in mounting groove 11.It is preferred that , shaft detection device further include: sensor stand 3 is set to the tail end of shaft 1, and sensor 2 is set to sensor stand 3 On, and be set in mounting groove 11 by sensor stand 3.
Sensor 2 is installed in mounting groove 11 by sensor stand 3, allows in advance be mounted on sensor 2 On bracket, then portion support is directly protruding into mounting groove 11, simplifies the installation step of shaft detection device, is detected convenient for shaft The installation and removal of device.
There are many setting methods of sensor stand 3, and in some alternative embodiments, sensor stand 3 includes peace Dress portion 31, mounting portion 31 is cylindrical and is located in mounting groove 11, and sensor 2 is set to the side of mounting portion 31.
There are many connection types between sensor 2 and mounting portion 31, such as sensor 2 is directly mounted at mounting portion 31 Outer surface.Alternatively, sensor stand 3 further includes accommodating chamber 32 and the second opening 33 being connected to accommodating chamber 32, at least partly hold Chamber 32 of receiving is located in mounting portion 31, and the side of mounting portion 31 is provided with the through-hole being connected to accommodating chamber 32, and sensor 2 is set to logical In hole.Sensor 2 is arranged in through-hole, when can prevent shaft 1 and mounting portion 31 from moving, scratches sensor 2, causes to pass 2 installation site of sensor it is unstable, while sensor 2 can also enter accommodating chamber 32 from the second opening 33, and by accommodating chamber 32 are installed on through hole, convenient for the installation and removal of sensor 2.
Sensor stand 3 can be directly mounted at shaft 1 by mounting portion 31, alternatively, sensor stand 3 further includes bottom Seat 34, pedestal 34 are set to the one end of mounting portion 31 far from front end, and along the direction elongation moulding far from mounting portion 31, installation Portion 31 is installed in shaft 1 by pedestal 34.By pedestal 34, it can directly contact, keep away to avoid between mounting portion 31 and shaft 1 Exempt to scratch sensor 2.
When sensor stand 3 includes pedestal 34, accommodating chamber 32 extends to mounting portion 31, and the second opening 33 by pedestal 34 It is set to end of the pedestal 34 far from mounting portion 31.Convenient for directly directly sensor 2 is put into from the rear of sensor stand 3 In through-hole.
Sensor stand 3 can be arranged directly in shaft 1 or shaft detection device further includes axle sleeve 4, and 4 sets of axle sleeve Outside shaft 1, sensor stand 3 is set on axle sleeve 4, and the tail end of shaft 1 is set to by axle sleeve 4.Therefore sensor Sensor 2 can be set in mounting groove 11 by bracket 3 without contacting with main shaft.
In other optional embodiments, shaft detection device further includes rear bearing block 5, is set to axle sleeve 4 and corresponds to It is arranged in second end, sensor stand 3 is set on rear bearing block 5, and is set on axle sleeve 4 by rear bearing block 5.
It is not limited here, sensor 2 can be used for detecting the elongation of shaft 1, Huo Zhechuan to the detection information of sensor 2 Sensor 2 for detect shaft 1 and axle sleeve 4 whether centering.It is not limited here, sensor 2 can be one to the number of sensor 2 It is a, the elongation of shaft 1 can be also measured by a sensor 2.
Preferably, sensor 2 is two or more, and more than two sensors 2 include be separately positioned on mounting portion 31 the The first sensor 21 and second sensor 22 at one diameter both ends.First sensor 21 and second sensor 22 are set to mounting portion The both ends of 31 first diameters, so that passing through first when sensor stand 3 is installed on shaft 1 by axle sleeve 4 or rear bearing block 5 Whether sensor 21 and second sensor 22 are able to detect right in first diameter direction Upper shaft sleeve 4 and shaft 1 or rear bearing block 5 It is quasi-.
It is further preferred that more than two sensors 2 further include the second diameter both ends for being separately positioned on mounting portion 31 3rd sensor 23 and the 4th sensor 24, first diameter and second diameter intersection.So that when sensor stand 3 passes through axle sleeve 4 or rear bearing block 5 when being installed on shaft 1, it is able to detect by 3rd sensor 23 and the 4th sensor 24 in second diameter side Whether upward axle sleeve 4 and shaft 1 or rear bearing block 5 are aligned.
Meanwhile in these optional embodiments, two sensors 2 is selected to measure the elongation of fiducial axis 1, two sensors 2 measurement result is averaged, that is, measurement accuracy can be improved.
There are many set-up modes in first diameter direction and second diameter direction, it is preferred that first diameter direction and second Diametrical direction is vertical, so that passing when sensor stand 3 is set in shaft 1 by axle sleeve 4 or rear bearing block 5 by first Sensor 21, second sensor 22,3rd sensor 23 and the 4th sensor 24 can determine shaft 1 and axle sleeve 4 or rear bearing block 5 whether centering.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting Ground combination, superposition.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement It also should be regarded as the protection scope of the utility model with modification.

Claims (14)

1. a kind of shaft detection device characterized by comprising
Shaft (1), including the front end being oppositely arranged along its length and tail end, the sunken end face of the tail end forms mounting groove (11);
Sensor (2) is set to the mounting groove (11) inner circumferential side.
2. detection device according to claim 1, which is characterized in that the mounting groove (11) includes being located at the tail end end First opening in face and the inner wall (12) being arranged around first opening, the inner wall (12) are tapered.
3. detection device according to claim 2, which is characterized in that the sensor (2) is set to the inner wall (12) Along the middle part of the shaft (1) length direction.
4. detection device according to claim 1, which is characterized in that further include sensor stand (3), be set to described turn The tail end of axis (1), the sensor (2) are set on the sensor stand (3), and are set by the sensor stand (3) It is placed in the mounting groove (11).
5. detection device according to claim 4, which is characterized in that the sensor stand (3) includes mounting portion (31), The mounting portion (31) is cylindrical and is located in the mounting groove (11), and the sensor (2) is set to the mounting portion (31) side.
6. detection device according to claim 5, which is characterized in that the sensor stand (3) further includes accommodating chamber (32) and with the accommodating chamber (32) the second opening (33) being connected to, at least partly described accommodating chamber (32) are located at the mounting portion (31) in, the side of the mounting portion (31) is provided with the through-hole being connected to the accommodating chamber (32), sensor (2) setting In in the through-hole.
7. detection device according to claim 6, which is characterized in that the sensor stand (3) further includes pedestal (34), It is set to the one end of the mounting portion (31) far from the front end, and the direction elongation moulding along separate the mounting portion (31), The mounting portion (31) is installed on the shaft (1) by the pedestal (34).
8. detection device according to claim 7, which is characterized in that the accommodating chamber (32) is extended by the pedestal (34) Extremely the mounting portion (31), and second opening (33) is set to the end of the pedestal (34) far from the mounting portion (31) Portion.
9. detection device according to claim 4, which is characterized in that further include axle sleeve (4), the axle sleeve (4) is sheathed on Outside, the sensor stand (3) is set on the axle sleeve (4) shaft (1), and is set to institute by the axle sleeve (4) State the tail end of shaft (1).
10. detection device according to claim 9, which is characterized in that further include rear bearing block (5), be set to the axis One end of the setting sensor stand (3) of (4) is covered, the sensor stand (3) is set on the rear bearing block (5), And it is set on the axle sleeve (4) by the rear bearing block (5).
11. detection device according to claim 5, which is characterized in that the sensor (2) be two or more, two with On the sensor (2) include be separately positioned on the mounting portion (31) first diameter both ends first sensor (21) and Second sensor (22).
12. detection device according to claim 11, which is characterized in that more than two sensors (2) further include It is separately positioned on the 3rd sensor (23) and the 4th sensor (24) at the second diameter both ends of the mounting portion (31), described One diameter and second diameter intersection.
13. detection device according to claim 12, which is characterized in that the second diameter and the first diameter are hung down Directly.
14. detection device according to claim 1, which is characterized in that the sensor (2) is current vortex sensor or electricity Propagated sensation sensor.
CN201821868148.7U 2018-11-12 2018-11-12 A kind of shaft detection device Expired - Fee Related CN208887594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821868148.7U CN208887594U (en) 2018-11-12 2018-11-12 A kind of shaft detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821868148.7U CN208887594U (en) 2018-11-12 2018-11-12 A kind of shaft detection device

Publications (1)

Publication Number Publication Date
CN208887594U true CN208887594U (en) 2019-05-21

Family

ID=66518317

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821868148.7U Expired - Fee Related CN208887594U (en) 2018-11-12 2018-11-12 A kind of shaft detection device

Country Status (1)

Country Link
CN (1) CN208887594U (en)

Similar Documents

Publication Publication Date Title
CN105352466B (en) A kind of device for detecting axial displacement, method and magnetic suspension bearing
CN102519347B (en) Inner hole radial circle run-out detecting tool
CN105890858A (en) Balance disc device applicable to shaft system vibration tests
CN207197778U (en) The dismountable three holes orientation probe of mounting seat
CN208887594U (en) A kind of shaft detection device
CN207719985U (en) A kind of magnetic suspension motor radial-axial sensor integral type mounting structure
CN207719986U (en) A kind of magnetic suspension motor radial transducer mounting structure
CN208736273U (en) A kind of measurement bracket for testing product rigging position
JP5330008B2 (en) Rotation accuracy evaluation method and evaluation apparatus
US11624407B2 (en) Rolling bearing assembly
CN213543429U (en) Axle is bearing radial play and is detected frock
CN213874036U (en) Multi-parameter measuring machine for outer circle diameter run-out total length of inner hole of hollow shaft
CN208476148U (en) A kind of Workpiece detecting device
CN210570371U (en) Measuring tool
CN208206009U (en) A kind of detecting tool of annular products concentricity
CN219531912U (en) Flange plate aperture detection device
CN205192463U (en) Axle housing assembly excircle and lateral runout examine utensil
CN218524123U (en) Camshaft base circle detection device that beats
CN105352398B (en) Carbon fiber pipe attachment device for automobile gauge bracket
CN211696127U (en) Damping piston part circle rapid measurement device that beats
CN215725635U (en) Key included angle checking fixture for chuck of electric tool
CN211954432U (en) Temperature measurement door with multiple probes and adjustable probe heights
CN111207668A (en) Device for measuring outer circle run-out and circumference of hub by non-contact laser
CN212253889U (en) Oil-retaining bearing detects frock
CN219328757U (en) Double-ring detector based on Hall effect

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190521

Termination date: 20211112