CN207280752U - A kind of contact axle box bearing sensor - Google Patents
A kind of contact axle box bearing sensor Download PDFInfo
- Publication number
- CN207280752U CN207280752U CN201721384602.7U CN201721384602U CN207280752U CN 207280752 U CN207280752 U CN 207280752U CN 201721384602 U CN201721384602 U CN 201721384602U CN 207280752 U CN207280752 U CN 207280752U
- Authority
- CN
- China
- Prior art keywords
- sensor
- axle box
- sensing head
- stretch section
- box bearing
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of contact axle box bearing sensor, including cable, sensor bolt body, stretch section and sensing head, the sensor bolt body is connected with one end of stretch section, the other end of the stretch section is connected with the sensing head, one end of the cable is connected with the sensing head, and the other end of the cable is connected with outside power supply.The utility model can guarantee that sensor is directly contacted with bearing outer ring, while directly detect the temperature and vibration information of bearing, real-time response, accurately and reliably.
Description
Technical field
It the utility model is related to railway ancillary equipment field, and in particular to a kind of contact axle box bearing sensor.
Background technology
In the process of running, friction generates heat with bearing, bearing roller and Internal and external cycle for axle for rolling stock.When bearing shape
After state some failures occurs extremely, bearing aggravates with axle friction, and the heat of generation drastically increases, and axle box constant temperature rises.
When axis the temperature inside the box is excessive, not only bearing working state and service life can be affected, other parts can also be destroyed, sternly
Entail dangers to traffic safety during weight.But bearing fault is not necessarily all with axle box temperature rise, when special in failure in early days, many failures
Show as impact vibration.
Bearing fault for causing axle box temperature rise, can be tested and analyzed by gathering in axle box temperature rise data；Its
He shows the initial failure of vibration, and the shock pulse produced by gathering bearing fault, is analyzed using resonance and demodulation method, also can
It was found that.The temperature and vibration signal of bearing are detected at the same time, and the diagnosis to bearing fault is very necessary.
Widely applied Bearing testing method is infrared axle temperature detection method on rail track at present, this, which is that one kind is non-, connects
The detection method of touch, there are low-response, it is inaccurate the shortcomings that, although at present have some probe-type shaft temperature detecting devices or
Vibration diagnosis device exists, but mostly system structure is complicated, and maintenance not easy to install, is not used widely.And until mesh
It is preceding on the vehicle of railway operation, also not at the same time detect axle box bearing temperature and vibration sensor.
In view of drawbacks described above, the utility model creator obtains this practicality newly finally by prolonged research and practice
Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, there is provided a kind of contact axle box axis
Hold sensor, including cable, sensor bolt body, stretch section and sensing head, one end of the sensor bolt body and stretch section
It is connected, the other end of the stretch section is connected with the sensing head, and one end of the cable is connected with the sensing head, described
The other end of cable is connected with outside power supply.
Preferably, the sensor bolt body is equipped with a screw rod, the both ends of the screw rod be respectively equipped with hexagonal bolt head and
Cylinder boss with the shaft shoulder.
Preferably, the stretch section is a rubber ring, the afterbody of the cylinder boss and the sensing head is directly embedding
It is sleeved on the both ends of the stretch section.
Preferably, the screw rod is equipped with external screw thread, it can couple with the threaded hole on axle box wall and tighten.
Preferably, the inside middle of the sensor bolt body and the stretch section has a hole, for by cable from biography
Drawn inside sensor.
Preferably, the sensor further includes a seal washer, it is nested on the screw rod, for preventing the pine of sensor
Dynamic and mounting hole sealing.
Preferably, the seal washer is overlaped and is composed by lock washer and nonmetallic cushion film.
Preferably, a wear-resistant gasket is additionally provided between the sensing head and the outer ring of bearing, for protecting sensing head.
Preferably, the stretch section is cylindrical compression spring, its both ends is separately fixed at afterbody and the institute of the sensing head
State on cylinder boss.
Preferably, the seal washer is a piece of locking sealing ring.
The beneficial effects of the utility model are compared with the prior art：1, the utility model can detect axle box axis at the same time
Hold temperature and vibration, it is simple in structure, easy to assemble, be convenient for changing and repair.2, the utility model can guarantee that sensor with
Bearing outer ring directly contacts, while directly detects the temperature and vibration information of bearing, real-time response, accurately and reliably.
Brief description of the drawings
In order to illustrate more clearly of the technical solution in various embodiments of the utility model, institute in being described below to embodiment
Attached drawing to be used is needed to be briefly described.
Position assumption diagram when Fig. 1 is the installation of the utility model；
Fig. 2 is the stretch section connection partial schematic diagram of the utility model.
Digital representation in figure：
1. 6. wear-resistant gasket of cable 2. sensor bolt body, 3. seal washer, 4. stretch section, 5. sensing head, 7. axle box
8. rolling bearing of wall.
Embodiment
Below in conjunction with attached drawing, and other technical characteristic above-mentioned to the utility model and advantage are described in more detail.
Embodiment 1
Such as Fig. 1, shown in 2, a kind of contact axle box bearing sensor, including cable 1, sensor bolt body 2, stretch section 4
With sensing head 5.
Sensor bolt body 2 is equipped with a screw rod 21, has external screw thread on screw rod 21, can join with the threaded hole on axle box wall 7
Connect and tighten, prevent from causing sensor to loosen due to working long hours.The both ends of screw rod 21 are respectively equipped with the hex bolts of standard
First 22 and the cylinder boss 23 with the shaft shoulder.
Cylinder boss 23 with the shaft shoulder connects a stretch section 4, and stretch section 4 be a rubber ring, can by extruding so that
Elastic deformation.Stretch section 4 can be by the cylinder boss 23 with the shaft shoulder directly nested annulus at one end.
The other end of stretch section 4 connects a sensing head 5, and sensing head 5 can detect accurate detection temperature and vibration signal.
During the tail end of sensing head 5 is nested in the annulus of 4 other end of stretch section；The both ends of stretch section 4 respectively with sensor bolt body 2 and
Sensing head 5 is closely connected as one, and easy to disassemble and use for a long time causes damaged and/or damage, is convenient for changing and repairs.
The inside middle of sensor bolt body 2 and stretch section 4 has a hole, for cable 1 to be drawn from sensor internal,
One end of cable 1 is connected with sensing head 5；The other end is drawn out of stretch section 4 and sensor bolt body 2；Cable 1 and sensor
Sealed at the extraction of first 22 endoporus of bolt of the body of bolt 2 using nonmetallic sealing ring fitting.Prevent from working long hours the vibration of generation
Cause cable to wear or unexpected stretch drags and cause cable to damage, the effective service life for improving cable.
The sensor of the utility model can detect at the same time axle box bearing temperature and vibration, it is simple in structure, easy to assemble, square
Just replace and repair.
This sensor is additionally provided with a seal washer 3, is nested on screw rod 21, for preventing loosening and the mounting hole of sensor
Sealing.Seal washer 3 is overlaped and is composed by lock washer and nonmetallic cushion film, when sensor bolt body 2 with
When threaded hole connection on axle box wall 7 is tightened, nonmetallic cushion film is compacted, and plays the role of sealing.
It also placed a wear-resistant gasket 6 between the outer ring of rolling bearing 8 and sensing head 5, prevent due to being produced during work
Vibration, and cause sensing head to be damaged or worn out, and play the role of protecting sensing head 5.
The course of work：
The screw portion of contact axle box bearing sensor is threaded in the threaded hole being tightened on axle box wall,
Until sensing head holds out against wear-resistant gasket, stretch section substantially deforms and stores certain energy, sensing head is kept all the time pair
The thrust of wear-resistant gasket, wear-resistant gasket closely connected bearing outer ring all the time, so as in real time, accurately the temperature of detection bearing and shake
Dynamic signal.
Embodiment 2：
The present embodiment and above-described embodiment difference lies in：Stretch section 4 is cylindrical compression spring, its both ends is separately fixed at
On the boss 23 of 2 end of 5 afterbody of sensing head and sensor bolt body.
Embodiment 3：
The present embodiment and above-described embodiment difference lies in：Seal washer 3 is a piece of locking sealing ring.Seal washer also may be used
For preventing the sealing of the loosening of sensor and mounting hole.
The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claims are limited
Many changes are carried out, are changed, in addition it is equivalent, but fall within the scope of protection of the utility model.
Claims (10)
1. a kind of contact axle box bearing sensor, including cable, sensor bolt body, stretch section and sensing head, its feature exist
In the sensor bolt body is connected with one end of stretch section, and the other end of the stretch section is connected with the sensing head, institute
The one end for stating cable is connected with the sensing head, and the other end of the cable is connected with outside power supply.
2. contact axle box bearing sensor as claimed in claim 1, it is characterised in that the sensor bolt body is equipped with one
Screw rod, the both ends of the screw rod are respectively equipped with hexagonal bolt head and the cylinder boss with the shaft shoulder.
3. contact axle box bearing sensor as claimed in claim 2, it is characterised in that the stretch section is a plantation rubber
The afterbody of the cylinder boss and the sensing head, is directly nested in the both ends of the stretch section by ring.
4. contact axle box bearing sensor as claimed in claim 3, it is characterised in that the screw rod is equipped with external screw thread,
It can couple with the threaded hole on axle box wall and tighten.
5. contact axle box bearing sensor as claimed in claim 1, it is characterised in that the sensor bolt body and described
The inside middle of stretch section has a hole, for cable to be drawn from sensor internal.
6. the contact axle box bearing sensor as described in claim 2-4 is any, it is characterised in that the sensor further includes
One seal washer, is nested on the screw rod, for preventing the loosening of sensor and the sealing of mounting hole.
7. contact axle box bearing sensor as claimed in claim 6, it is characterised in that the seal washer is by lock washer
Overlap and be composed with nonmetallic cushion film.
8. contact axle box bearing sensor as claimed in claim 7, it is characterised in that the outer ring of the sensing head and bearing
Between be additionally provided with a wear-resistant gasket, for protecting sensing head.
9. contact axle box bearing sensor as claimed in claim 8, it is characterised in that the stretch section compresses bullet for cylinder
Spring, its both ends are separately fixed on the afterbody and the cylinder boss of the sensing head.
10. contact axle box bearing sensor as claimed in claim 9, it is characterised in that the seal washer is a piece of anti-
Loose sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384602.7U CN207280752U (en) | 2017-10-25 | 2017-10-25 | A kind of contact axle box bearing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384602.7U CN207280752U (en) | 2017-10-25 | 2017-10-25 | A kind of contact axle box bearing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280752U true CN207280752U (en) | 2018-04-27 |
Family
ID=61978989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721384602.7U Active CN207280752U (en) | 2017-10-25 | 2017-10-25 | A kind of contact axle box bearing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843431A (en) * | 2017-10-25 | 2018-03-27 | 西南交通大学 | A kind of contact axle box bearing sensor |
-
2017
- 2017-10-25 CN CN201721384602.7U patent/CN207280752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843431A (en) * | 2017-10-25 | 2018-03-27 | 西南交通大学 | A kind of contact axle box bearing sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2016401399B2 (en) | A chain fault diagnosis system and method for scraper conveyors | |
| CN104655379B (en) | A kind of device for being used to test threaded fastener anti-loosening property | |
| CN103245452B (en) | A kind of High-strength bolt axial force measuring method | |
| CN108680191B (en) | Device for monitoring loosening of bolt | |
| CN111852791A (en) | Fracture positioning early warning method for flange connecting bolt of wind generating set | |
| CN107907096A (en) | Bolt looseness on-line checking sensing device and its detection method based on strain-type principle | |
| CN207049230U (en) | Yawing brake of aerogenerator | |
| CN207280752U (en) | A kind of contact axle box bearing sensor | |
| CN203561472U (en) | Wheel core axle bolt pretightening force detection device | |
| CN107843431A (en) | A kind of contact axle box bearing sensor | |
| CN203561471U (en) | Wheel bearing bolt pretightening force detection device | |
| CN110894846A (en) | Fastening method of bolt | |
| CN103175689A (en) | Acoustic fault diagnosis method for low-speed rolling bearings | |
| CN101823445A (en) | Design method of suspension pulley | |
| CN209247360U (en) | A kind of device for preventing cylinder pressure sensor from failing | |
| CN107971081B (en) | Vertical roller mill grinding roller vibration monitoring device based on acceleration sensor | |
| CN209296192U (en) | A kind of snap ring-type force sensor being easily installed with replacement | |
| CN204177367U (en) | Wind power generating set, its bearing displacement monitoring of structures and system | |
| CN204371903U (en) | A kind of hydraulic bolt | |
| CN203561473U (en) | Hub bearing bolt pretightening force detection device | |
| CN210322137U (en) | Strain type bolt pretightening force sensor | |
| CN104359627A (en) | Air tightness detecting device for crankshaft oil way hole | |
| CN209856245U (en) | Shield constructs owner bearing monitoring devices | |
| CN205333320U (en) | Testing system adheres | |
| CN206465952U (en) | Axial pin type force cell for railway point mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |