CN207923303U - One kind can thermometric transmission shaft - Google Patents
One kind can thermometric transmission shaft Download PDFInfo
- Publication number
- CN207923303U CN207923303U CN201820125558.6U CN201820125558U CN207923303U CN 207923303 U CN207923303 U CN 207923303U CN 201820125558 U CN201820125558 U CN 201820125558U CN 207923303 U CN207923303 U CN 207923303U
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- CN
- China
- Prior art keywords
- transmission shaft
- sensor
- hole
- thermometric
- fixed knot
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/18—Sensors; Details or arrangements thereof
Abstract
The utility model discloses one kind can thermometric transmission shaft, including transmission shaft main body, and the transmission shaft sheath that is set on transmission shaft main body；Transmission shaft main body, including transmission shaft bar portion, transmission shafts bearing portion and be set to the fixed knot of road wheel end, be set to the movable joint of gear-box side；Can thermometric transmission shaft include three temperature sensor measurement points and the temperature sensor for being arranged in the temperature sensor measurement point.The utility model is arranged contact built-in temperature sensor, can acquire and record comprehensively, accurately and in time the temperature inside transmission shaft by selecting suitable measurement site in transmission shaft；Simultaneously have the advantages that it is easy to use efficiently, apparatus structure it is compact.
Description
Technical field
The utility model is related to automobile manufacturing fields, more particularly to one kind can thermometric transmission shaft.
Background technology
The rotary body that the transmission shaft of automobile is a high rotating speed, supports less, therefore its dynamic balancing is vital.One
As transmission shaft dynamic balance running will be carried out before manufacture, and adjusted on balancing machine.To preposition engine rear wheel drive
Vehicle for be the axis for the rotation of speed changer being passed to main reducing gear, it can be several sections, section section between can be by ten thousand
It is connected to section.Transmission shaft is made of central siphon, telescopic and universal joint.Telescopic can automatically adjust between speed changer and drive axle
The variation of distance.Universal joint is to ensure the variation of transmission output shaft and drive axle input shaft two axial lines angle, and realize two axis
Constant velocity tramsmission.
Temperature inside transmission shaft measures extremely important；To transmission shaft inner rotation part into trip temperature measure, be in order to
When investigating high vehicle speeds, transmission shaft high speed rotation, internal lubrication grease whether can temperature it is excessively high, so as to cause volatilization,
And then transmission shaft normal work is influenced, security risk is caused to vehicle traveling.
Currently, the existing technical solution for some patents disclosing the measurement of transmission shaft temperature, such as patent
CN200820071540.9 is disclosed and is equipped with temperature acquisition sensor between external cylinder sleeve and transmission shaft, and is driven outer shaft sleeve
It is fixed on transmission shaft using jacket type design, is measured convenient for real vehicle, and electronic control circuit plate is fixed on the outer of transmission shaft
It puts on, to reach the requirement of the portable and quick nondestructive installation of housing；Patent CN201220437330.3 discloses a kind of safety
Reliable machine oil temperature measuring tool, including oil discharge screw and temperature sensor, oil discharge screw are provided with through-hole along its length,
The size of through-hole is adapted with the outside dimension of temperature sensor, and temperature sensor is passed through through-hole and the fixed side of oil discharge screw
Formula.
Currently, it is domestic it is all measure relevant technical solution with transmission shaft, all only torque measurement or transmission shaft surface
Temperature measure, without inside transmission shaft temperature measure.And what is be all made of is non-contact measurement mode；Have in transmission shaft
The inner space of limit, it is difficult to fixed contactless temperature sensor, and also noncontacting proximity sensor usually carries signal and emits
Device, higher operating costs, furthermore, non-contact measurement is not accurate enough.So current transmission shaft temperature measures still structure
Complicated, temperature measurement accuracy needs to be further increased.
Utility model content
In order to solve, transmission shaft temperature measuring equipment in the prior art is complicated, temperature measurement is not comprehensive, inaccuracy
Problem, the utility model embodiment provide one kind can thermometric transmission shaft, the technical solution is as follows：
One kind disclosed by the utility model can thermometric transmission shaft, including transmission shaft main body, and be set in transmission shaft main body
On transmission shaft sheath；
The transmission shaft main body, including transmission shaft bar portion, transmission shafts bearing portion and two universal joints, the universal joint include
It is set to the fixed knot of road wheel end and is set to the movable joint of gear-box side；The transmission shaft one end of the rod and it is set to road wheel end
Fixed knot fix, the other end is fixed with the movable joint for being set to gear-box side；The universal joint includes out star wheel and interior star-wheel；
The transmission shafts bearing portion includes alley, and the alley is provided with top dead centre and lower dead center；
It is described can thermometric transmission shaft include three temperature sensor measurement points and be arranged in the temperature sensor measurement point
Temperature sensor, the temperature sensor measurement point specifically include be arranged in fixed knot out star wheel, first on the outside of alley
Star-wheel end face, the second measurement point at the alley is arranged in movable joint in measurement point, be set to movable joint jacket inner surface,
Third measurement point at nearly exhaust pipe.
Specifically, the position of the first measurement point is corresponded in fixed knot out star wheel outer wall, is had for arranging first sensor
First blind hole of contact；First blind hole is set on bearing alley at top dead centre；The first blind hole depth distance
Fixed knot out star wheel inner wall 1-2mm；
There is the first through hole for first sensor cabling in fixed knot out star wheel outer wall；The first through hole is set to
At non-alley；
There is unit with grooves in outer wall in fixed knot out star wheel outer wall, for providing fixed channel to first sensor cabling；Accordingly
Ground opens up inboard wall groove in fixed knot out star wheel inner wall；
The transmission shafts bearing portion of fixed knot out star wheel is provided with first through hole, passes through for first sensor cabling described
Pass through transmission shaft bearing first through hole after inboard wall groove；The a diameter of 6-7mm of first through hole；
It is placed with first sensor in the first measurement point of fixed knot out star wheel；Sensor is placed through outside fixed knot
The first through hole of the transmission shafts bearing portion of star-wheel.
Preferably, in movable joint star-wheel end face correspond to the second measurement point position, be provided with for arrange second sensing
Second blind hole of device contact；The movable joint is gear-box side universal joint, can be rzeppa joint or joint homocinetique a 3 pivots；Institute
State the hole depth 6mm of the second blind hole；
Star-wheel is provided with second sensor in movable joint；Heat-conducting glue is coated at the second sensor contact, it will
The second sensor is vertically installed in second blind hole.
Further, the 3rd sensor is fixed in the fixed ring of transmission shaft sheath；The fixed ring is installed to biography
Moving axis gear-box side sheath is at the fold that exhaust pipe goes out；Heat-conducting glue, third sensing are coated at 3rd sensor contact
Device is installed on the corresponding third measurement point of movable joint jacket inner surface.
Further, the transmission shaft bar portion is an axis, and a brake pipe is arranged inside the transmission shaft bar portion, described
The diameter of section of brake pipe is radially gradually expanded from end to root, the brake pipe flare shape.
Preferably, the transmission shaft sheath is slidably connected by bearing portion and the transmission shaft main body.
Further, it is drilled with through-hole in the transmission shaft bar portion；Close to gear-box side, one is drilled with perpendicular to polished rod through-hole
The first aperture, for the sensor cabling arranged on fixed knot out star wheel；
It is internally provided with a brake pipe in transmission shaft bar portion, for guiding thermocouple cabling；
With the position of the transmission shaft bar portion apertures align on the brake pipe, it is provided with second orifice；
The brake pipe is according to the corresponding position of hole, and insertion is set in transmission shaft bar portion, and the both ends of brake pipe are expanded
It is with the shape of a horn.
Further, it is described can thermometric transmission shaft temperature sensor by radio frequency on the wheel transmitter and
Receiver carries out the transmitting and reception of signal；Each transmitter is equipped with 1 transmitting antenna and 4 thermocouple channels, from institute
Thermocouple sensor line can be drawn in thermometric transmission shaft by, which stating, is inserted on transmitter.
Analog signal output is divided into 4 row, by 1,2,3,4 corresponding 4 transmitters of (from left to right) sequence.It is each row on to
Under be corresponding in turn to the ch 1 of each transmitter, ch 2, ch 3,4 channels ch.
The temperature range that the remote-measuring equipment measures is -40 DEG C -1000 DEG C, and the voltage of apparatus output signal is in 0-10V, temperature
Degree and voltage linear relationship.Accordingly, it can be deduced that temperature funtion formula：
T=104*U-40
Wherein U is telemetering output voltage, which is collected in IMC equipment, when measuring, can be converted into temperature
Angle value.
In the case where all devices connect and have been powered, opening IMC Devices, (above-mentioned data are adopted
Collection equipment) software calculates temperature value, and more by default units " V " according to above-mentioned functional relation using the voltage value measured
It is changed to " DEG C ".
Meanwhile when Measurement channel is set, input a signal into voltage range be set as ± 10V either ± 25V it is excessively high or
Too low setting all cannot get correct data.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
1, by the way that multiple temperature acquisition points are arranged in multiple components of transmission shaft, measure and acquire comprehensively, in time transmission shaft
Temperature；
2, the utility model embodiment can effectively prevent temperature is excessively high to cause to be driven by acquiring transmission shaft temperature in time
Lubricant grease volatilization on the inside of axis so that transmission shaft inboard friction power increases；
3, the application of the utility model embodiment is simple and easy to do, apparatus structure is simple, of low cost, efficiently solve due to
The problem of monitoring temperature causes transmission shaft normal work to be affected, seriously affect the driving safety of vehicle not in time；
4, the utility model embodiment overcomes in the prior art the only temperature on torque measurement or transmission shaft surface and surveys
The defect of amount, the accurate temperature measured inside transmission shaft；
5, the utility model embodiment uses the temperature sensing of contact type measurement in the limited inner space of transmission shaft
Device ensure that real-time and accurate temperature information acquisition.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 be the utility model embodiment provide it is a kind of can thermometric transmission shaft fixed knot side structure schematic diagram；
Fig. 2 be the utility model embodiment provide it is a kind of can thermometric transmission shaft movable joint side structure schematic diagram；
Fig. 3 is the driving vehicle transmission shaft temperature logs figure that the utility model embodiment provides；
Example is expressed as in figure：
1- transmission shaft main bodies, 11- transmission shaft bar portions, 12- transmission shafts bearing portion, 13- fixed knots, 14- movable joints, 15- balls
Road, 2- transmission shaft sheaths, the first measurement points of 3-, the second measurement points of 4-, 5- third measurement points.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
It is only the utility model a part of the embodiment to apply example, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
The utility model embodiment disclose one kind for being used in 1 the method for embodiment can thermometric vehicular transmission shaft, such as
Shown in Fig. 1 and Fig. 2, transmission shaft main body 1 is specifically included, and the transmission shaft sheath 2 being set on transmission shaft main body 1；Transmission shaft
Main body 1, including transmission shaft bar portion 11, transmission shafts bearing portion 12 and two universal joints, universal joint include being set to consolidating for road wheel end
Surely section 13 and the movable joint 14 for being set to gear-box side；11 one end of transmission shaft bar portion and the fixed knot 13 for being set to road wheel end are solid
Fixed, the other end and the movable joint 14 for being set to gear-box side are fixed；The universal joint includes out star wheel and interior star-wheel；The transmission
Axle bearing portion 12 includes alley 15, and the alley 15 is provided with top dead centre and lower dead center；
Can thermometric transmission shaft include three temperature sensor measurement points and the temperature for being arranged in above-mentioned temperature sensor measurement point
Spend sensor, temperature sensor measurement point specifically include be arranged in fixed knot out star wheel, the first measurement point 3 on the outside of alley,
Star-wheel end face, the second measurement point 4 at alley are set in movable joint, movable joint jacket inner surface, nearly exhaust are set to
Third measurement point 5 at pipe.
Specifically, it as shown in Figure 1, corresponding to the position of the first measurement point 3 in fixed knot out star wheel outer wall, drills out for arranging
First blind hole of first sensor contact；Fixed knot 13 is wheel side universal joint；First blind hole is set to close on bearing alley 15
At top dead centre, the first blind hole depth is apart from fixed knot out star wheel inner wall 2mm；It is punched for first in 13 out star wheel outer wall of fixed knot
The first through hole of sensor cabling；First through hole is set at non-alley；Unit with grooves in outer wall is opened up in fixed knot out star wheel outer wall, is used
Channel is fixed in being provided to first sensor cabling；Correspondingly, inboard wall groove is opened up in fixed knot out star wheel inner wall, is convenient for first
Sensor is close to transmission shaft bearing spline inner port；Then, first through hole is opened up in the transmission shaft bearing of fixed knot out star wheel, used
Pass through transmission shaft bearing first through hole after first sensor cabling is by the inboard wall groove；The a diameter of 6mm of first through hole~
7mm；Sensor is placed through to the first through hole of the transmission shaft bearing of fixed knot out star wheel, and knows the in thermocouple cable subscript
One measurement point is the printed words such as " measurement point 1 " or " yellow ".
As shown in Fig. 2, when the second measurement point installs second sensor, star-wheel end face corresponds to the first in movable joint
The position of two measurement points 4, i.e., in movable joint star-wheel end face, at the alley, drill out for arranging second sensor contact
Second blind hole；The movable joint is the rzeppa joint of gear-box side；Specifically, the hole depth 6mm of the second blind hole, all punchings
Drill bit is diameter 2.8mm special drills.
It is leaned on that is, in the corresponding third measurement point of movable joint jacket inner surface in third measurement point installation 3rd sensor
At nearly exhaust pipe, 3rd sensor is installed；First, 3rd sensor is fixed in transmission shaft sheath fixed ring；In transmission shaft
Jacket outer surface marks third measurement point position.
Further, a brake pipe is arranged in 11 inside of transmission shaft bar portion, and the diameter of section of brake pipe is from end to root
It radially gradually expands, the brake pipe flare shape.
Preferably, transmission shaft sheath 2 is slidably connected by transmission shafts bearing portion 12 and transmission shaft main body 1.
Specifically, can the temperature sensor of thermometric transmission shaft pass through radio frequency and the transmitter and receiver on the wheel
Carry out the transmitting and reception of signal；Each transmitter is equipped with 1 transmitting antenna and 4 thermocouple channels, is surveyed from described
Thermocouple sensor line is drawn in warm transmission shaft to be inserted on transmitter.
When measurement, the temperature signal of transmission shaft is sent to Universal Digital Collecting Equipment using radio telemetry unit, then by
Data acquisition equipment connects data storage device, and such as laptop gets off data record.Specifically, radio telemetry unit
It is received using radio-frequency transmissions, ensures the Stability and veracity of signal, include the transmitter and receiver on wheel；Often
A transmitter is equipped with 1 transmitting antenna and 4 thermocouple channels, has fixed frequency range, is extracted in transmission shaft
Thermocouple sensor line, be inserted on transmitter after loading onto green plug；
The process of installation transmitter specifically includes：The transmitter of remote-measuring equipment is fixed on wheel by the sleeve with spring
On king-bolt.Each transmitter carries 4 thermocouple measurement channels, 1 transmitting antenna.3 thermocouples drawn in transmission shaft,
It is inserted on 3 thermocouple measurement channels of transmitting disk, when transmitter is powered and (2 pieces of 9V square batteries is housed) in transmitter,
The signal of thermocouple is launched by antenna.
Radio telemetry unit further includes receiver, and receiver is connected to by the reception antenna of respective frequencies on host, then
4 thermocouple signals in each transmitter radiofrequency signal are parsed, 4 channels, output voltage signal, these electricity are become
Pressure signal is connected in Universal Digital Collecting Equipment, so that it may be acquired with carrying out data.
The panel for receiving machine host behind includes radiofrequency signal input, analog signal output two parts.Radiofrequency signal passes through
Receiver antenna is transmitted to the RF signal input end (RF IN) of receiver along signal wire with fixed frequency.This is arranged
4 transmitters are had, the mark of transmitter is respectively：F11, f12, f13, f14, f11, f12 of corresponding receiver antenna,
F13, f14, antenna correspond to 1,2,3, the 4 of receiver radio frequency signal input again, and when installation must correspond.
Analog signal output is divided into 4 row, by 1,2,3,4 corresponding 4 transmitters of (from left to right) sequence.It is each row on to
Under be corresponding in turn to the ch 1 of each transmitter, ch 2, ch 3,4 channels ch.
Meanwhile when Measurement channel is set, input a signal into voltage range be set as ± 10V either ± 25V it is excessively high or
Too low setting all cannot get correct data.The temperature logs figure of transmission shaft as shown in Figure 3, measurement is vehicular transmission shaft
The temperature of the second measurement point of right side.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
1, by the way that multiple temperature acquisition points are arranged in multiple components of transmission shaft, measure and acquire comprehensively, in time transmission shaft
Temperature；
2, the utility model embodiment can effectively prevent temperature is excessively high to cause to be driven by acquiring transmission shaft temperature in time
Lubricant grease volatilization on the inside of axis so that transmission shaft inboard friction power increases；
3, method is simple, apparatus structure is simple, of low cost for the utility model embodiment, efficiently solves due to temperature
The problem of degree monitoring causes transmission shaft normal work to be affected, seriously affect the driving safety of vehicle not in time；
4, the utility model embodiment overcomes in the prior art the only temperature on torque measurement or transmission shaft surface and surveys
The defect of amount, the accurate temperature measured inside transmission shaft；
5, the utility model embodiment uses the temperature sensing of contact type measurement in the limited inner space of transmission shaft
Device ensure that real-time and accurate temperature information acquisition.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. one kind can thermometric transmission shaft, which is characterized in that including transmission shaft main body, and the transmission that is set on transmission shaft main body
Sheath shaft；
The transmission shaft main body, including transmission shaft bar portion, transmission shafts bearing portion and two universal joints, the universal joint include setting
In road wheel end fixed knot and be set to the movable joint of gear-box side；The transmission shaft one end of the rod be set to consolidating for road wheel end
Fixed section is fixed, and the other end is fixed with the movable joint for being set to gear-box side；The universal joint includes out star wheel and interior star-wheel；It is described
Transmission shafts bearing portion includes alley, and the alley is provided with top dead centre and lower dead center；
It is described can thermometric transmission shaft include three temperature sensor measurement points and the temperature for being arranged in the temperature sensor measurement point
Spend sensor, the temperature sensor measurement point specifically include be arranged in fixed knot out star wheel, on the outside of alley first measure
Star-wheel end face, the second measurement point at alley is arranged in movable joint in point, is set to movable joint jacket inner surface, nearly row
Third measurement point at tracheae；The temperature sensor specifically includes first sensor, second sensor and 3rd sensor.
2. according to claim 1 can thermometric transmission shaft, which is characterized in that the transmission shaft bar portion is an axis, described
A piece brake pipe is set inside transmission shaft bar portion, the diameter of section of the brake pipe is radially gradually expanded from end to root,
The brake pipe flare shape.
3. according to claim 1 can thermometric transmission shaft, which is characterized in that the transmission shaft sheath passes through bearing portion and institute
Transmission shaft main body is stated to be slidably connected.
4. according to claim 1 can thermometric transmission shaft, which is characterized in that it is described can thermometric transmission shaft temperature sensor
The transmitting and reception of signal are carried out with the transmitter and receiver on wheel by radio frequency；Each transmitter is equipped with
1 transmitting antenna and 4 thermocouple channels can draw thermocouple sensor line in thermometric transmission shaft and are inserted into transmitter from described
On.
5. according to claim 1 can thermometric transmission shaft, which is characterized in that correspond to first in fixed knot out star wheel outer wall and survey
The position for measuring point, has the first blind hole for arranging first sensor contact；First blind hole is set on bearing alley
At top dead centre；First blind hole depth is apart from fixed knot out star wheel inner wall 1-2mm；
There is the first through hole for first sensor cabling in fixed knot out star wheel outer wall；The first through hole is set to aspheric
At road；
There is unit with grooves in outer wall in fixed knot out star wheel outer wall, for providing fixed channel to first sensor cabling；Correspondingly, exist
Fixed knot out star wheel inner wall opens up inboard wall groove；
The transmission shafts bearing portion of fixed knot out star wheel is provided with first through hole, passes through the inner wall for first sensor cabling
Pass through transmission shaft bearing first through hole after groove；The a diameter of 6-7mm of first through hole；
It is placed with first sensor in the first measurement point of fixed knot out star wheel；Sensor is placed through fixed knot out star wheel
Transmission shafts bearing portion first through hole.
6. according to claim 1 can thermometric transmission shaft, which is characterized in that star-wheel end face corresponds to second and surveys in movable joint
The position for measuring point, is provided with the second blind hole for arranging second sensor contact；The movable joint is gear-box side universal joint,
Can be rzeppa joint or joint homocinetique a 3 pivots；The hole depth 6mm of second blind hole；
Star-wheel is provided with second sensor in movable joint；Heat-conducting glue is coated at the second sensor contact, it will be described
Second sensor is vertically installed in second blind hole.
7. according to claim 1 can thermometric transmission shaft, which is characterized in that the 3rd sensor is fixed on transmission shaft shield
In the fixed ring of set；The fixed ring is installed to transmission shaft gear-box side sheath at the fold that exhaust pipe goes out；It is passed in third
Heat-conducting glue is coated at sensor contact, 3rd sensor is installed on the corresponding third measurement point of movable joint jacket inner surface.
8. according to claim 1 can thermometric transmission shaft, which is characterized in that be drilled with through-hole in the transmission shaft bar portion；
Close to gear-box side, it is drilled with first aperture perpendicular to polished rod through-hole, for the sensor arranged on fixed knot out star wheel
Cabling；
It is internally provided with a brake pipe in transmission shaft bar portion, for guiding thermocouple cabling；
With the position of the transmission shaft bar portion apertures align on the brake pipe, it is provided with second orifice；
The brake pipe is according to the corresponding position of hole, and insertion is set in transmission shaft bar portion, and the both ends of brake pipe are expanded into loudspeaker
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125558.6U CN207923303U (en) | 2018-01-25 | 2018-01-25 | One kind can thermometric transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125558.6U CN207923303U (en) | 2018-01-25 | 2018-01-25 | One kind can thermometric transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923303U true CN207923303U (en) | 2018-09-28 |
Family
ID=63605606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820125558.6U Active CN207923303U (en) | 2018-01-25 | 2018-01-25 | One kind can thermometric transmission shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN207923303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307125A (en) * | 2019-05-14 | 2019-10-08 | 沈阳工程学院 | A kind of wind generator set main shaft holds internal temperature indirect measurement method |
-
2018
- 2018-01-25 CN CN201820125558.6U patent/CN207923303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307125A (en) * | 2019-05-14 | 2019-10-08 | 沈阳工程学院 | A kind of wind generator set main shaft holds internal temperature indirect measurement method |
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