CN207857877U - A kind of dynamometry push pin device of wind power principal axis turning system - Google Patents
A kind of dynamometry push pin device of wind power principal axis turning system Download PDFInfo
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- CN207857877U CN207857877U CN201721638788.4U CN201721638788U CN207857877U CN 207857877 U CN207857877 U CN 207857877U CN 201721638788 U CN201721638788 U CN 201721638788U CN 207857877 U CN207857877 U CN 207857877U
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- thimble
- push pin
- tailstock
- tail end
- pin device
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Abstract
The utility model is related to equipment Technology fields,It discloses a kind of dynamometry push pin device of wind power principal axis turning system,Including thimble seat,Rotation thimble,The front end endoporus of the thimble seat is equipped with front end taper roll bearing and thrust bearing successively according to the direction of the tail end from the front end of thimble seat to thimble seat,The tail end endoporus of the thimble seat is equipped with tail end journal bearing,The rotation thimble passes through the front end taper roll bearing,Thrust bearing,Tail end journal bearing is mounted in the thimble seat,Stretch pressure sensor is equipped between front end taper roll bearing and thrust bearing,The signal wire of stretch pressure sensor extends to the tail end of thimble seat by the endoporus of rotation thimble,The tail end of thimble seat is equipped with thimble conducting slip ring,The signal wire of stretch pressure sensor connects the thimble conducting slip ring,Thimble conducting slip ring connects lathe control system.The dynamometry push pin device of the utility model can monitor push pin device internal bearings pretightning force and pressure.
Description
Technical field
The utility model is related to equipment Technology fields, and in particular to a kind of dynamometry thimble of wind power principal axis turning system
Device.
Background technology
Wind power principal axis is connection wind wheel and gear-box or the important vital part of generator in wind-driven generator, main original
Material is steel ingot, becomes main shaft, final processing essence after the making of three master operation such as forging and stamping, heat treatment, finishing
It spends more demanding.
Processing for super long type wind power principal axis, since part is longer, it is necessary to ability behind push pin device auxiliary top jail
Processing.Common processing method is that the flange end of wind power principal axis is clamped on main shaft floral disc, and the other end is assisted with push pin device
Top jail, then carries out turnery processing again.
But super long type wind power principal axis, if the pressure control of push pin device is improper, can influence it in clamping process
The precision of processing, the circle bounce and the increase of axle body straightness error for causing it to process, to eventually affect the matter of product
Measure performance.
There are following two problems for push pin device in the prior art：
First, the pressure of push pin device is typically artificially to be controlled by operating personnel, it be easy to cause pressure tension
Or machining accuracy that is excessively loose and influencing part.Some lathe centers control pressure using hydraulic pressure thimble, but hydraulic coupling
It is consequently exerted on the hydraulic-pressure sleeve of tail stock for machine tool, cannot accurately reflect the axial pressure state in thimble portion, lead to its reality
The error of pressure is larger.
Second is that existing push pin device is in use for some time, the Pre strained state of internal bearings can change, and cause
The micro loosening of bearing, rotating accuracy are greatly reduced, and the micro loosening situation of this bearing is generally not easy to be found in time, often
It to wait until part after processing is completed, carry out the precision measurement and detection of part and find just go to trace when precision is overproof, therefore hold
The generation of the quality accident of part processing is easily led to, and causes heavy economic losses.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of dynamometry push pin device of wind power principal axis turning system, purports
In the state of monitoring push pin device internal bearings pretightning force in real time, and the size of pressure is accurately controlled, and then improves processing matter
Amount.Specific technical solution is as follows：
A kind of dynamometry push pin device of wind power principal axis turning system, including thimble seat, rotation thimble, before the thimble seat
Endoporus is held to be equipped with front end taper roll bearing and thrust axis successively according to the direction of the tail end from the front end of thimble seat to thimble seat
Hold, the tail end endoporus of the thimble seat is equipped with tail end journal bearing, the rotation thimble by the front end taper roll bearing,
Thrust bearing, tail end journal bearing are mounted in the thimble seat, between the front end taper roll bearing and thrust bearing
Equipped with stretch pressure sensor, the signal wire of the stretch pressure sensor extends to thimble seat by the endoporus of rotation thimble
The tail end of tail end, the thimble seat is equipped with thimble conducting slip ring, and the signal wire of the stretch pressure sensor connects the top
Needle conducting slip ring, the thimble conducting slip ring connect lathe control system.
In above-mentioned dynamometry push pin device, stretch pressure sensing is equipped between front end taper roll bearing and thrust bearing
The pressure of device, rotation thimble is directly delivered to by taper roll bearing on stretch pressure sensor, stretch pressure sensor
The pressure measured is transferred to lathe control system by thimble conducting slip ring.It therefore, can be in rotation thimble no-load condition
Under (rotation thimble does not push up part) detect the pretightning force states of dynamometry push pin device internal bearings, when preventing push pin device failure
It is continuing with, avoids the generation of quality accident.On the other hand, under rotation thimble load condition (rotation thimble top jail part),
The axial pressure of part equally detected by stretch pressure sensor, realizes the accurate control of wind power principal axis stretch pressure
System.
Pressure is abnormal in order to prevent, and a kind of dynamometry push pin device of wind power principal axis turning system of the utility model is also wrapped
Pressure warning device is included, the signal wire of the pressure warning device connects lathe control system.When clamping parts, occur
Pressure abnormal conditions can be sent out alarm by warning device, and operating personnel is reminded to adjust pressure in time.
In the utility model, the tail end of the thimble seat is equipped with the seal receptacle for closing thimble seat internal cavity, described
Thimble conducting slip ring is mounted on the seal receptacle, and the signal wire of the stretch pressure sensor passes through the threading hole on seal receptacle
It is connected with thimble conducting slip ring.
In the utility model, the thimble seat is equipped with the Outer Taper of connection lathe tailstock.
In the utility model, the Outer Taper is Morse's cone or 1:20 metric tapers.
In order to facilitate the Pre strained state of adjustment dynamometry push pin device internal bearings, the front end of the thimble seat is equipped with for close
Bind the sealing cover of needle stand inner bearing chamber, and the sealing cover is equipped with the tune for adjusting front end taper roll bearing Pre strained state
Whole screw.
As to further improvement of the utility model, a kind of dynamometry top of wind power principal axis turning system of the utility model
Needle device further includes the electronic jacking mechanism held out against automatically for operating rotation thimble, and the electronic jacking mechanism includes tailstock bottom
The tail end installation of seat, the interior tailstock being equipped with for installing the thimble seat of the tailstock pedestal, the tailstock pedestal is useful
In the tailstock screw rod for operating the tailstock back-and-forth motion, the tailstock screw rod is threadedly coupled with tailstock；The tailstock
It is also equipped with and is held out against with decelerating motor on pedestal, described hold out against passes through a pair of intermeshing roller gear and tail with decelerating motor
Frame screw rod connects；In the pair of intermeshing roller gear, one of roller gear is connected on tailstock screw rod, another
A roller gear, which is connected to, to be held out against on the motor shaft with decelerating motor.
The setting of above-mentioned electronic jacking mechanism so that the top that lathe control system can be measured according to stretch pressure sensor
Clamp force situation starts the size of electronic jacking mechanism adjustment pressure, realizes the automation for holding out against operation.
The utility model has the beneficial effects that：
First, the dynamometry push pin device of a kind of wind power principal axis turning system of the utility model, in front end taper roller axis
It holds and is equipped with stretch pressure sensor between thrust bearing, the pressure of rotation thimble is directly delivered to by taper roll bearing
On stretch pressure sensor, the pressure that stretch pressure sensor measures is transferred to Lathe control system by thimble conducting slip ring
System.Therefore, (rotation thimble does not push up part) dynamometry push pin device inner shaft can be detected under rotation thimble no-load condition
The pretightning force state held prevents from being continuing with when push pin device failure, avoids the generation of quality accident.
Second, a kind of dynamometry push pin device of wind power principal axis turning system of the utility model loads feelings in rotation thimble
Under condition (rotation thimble top jail part), the axial pressure of part equally detected by stretch pressure sensor, realizes wind
Electro spindle stretch pressure accurately controls.
Third, a kind of dynamometry push pin device of wind power principal axis turning system of the utility model are equipped with and adjust front end circular cone
The adjusting screw of roller bearing Pre strained state facilitates the adjustment of bearing pre-tightened state.
4th, the dynamometry push pin device of a kind of wind power principal axis turning system of the utility model, if processed in part
There is a situation where lathe main shaft end clampings to loosen in journey, and dynamometry push pin device is able to detect that the drastically decline of pressure, in advance
Early warning is sent out, advantageously ensures that equipment safety.
5th, a kind of dynamometry push pin device of wind power principal axis turning system of the utility model is provided with for operating back
Turn the electronic jacking mechanism that thimble is held out against automatically so that lathe control system can be measured according to stretch pressure sensor holds out against
Power situation starts the size of electronic jacking mechanism adjustment pressure, realizes the automation for holding out against operation.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the dynamometry push pin device of wind power principal axis turning system of the utility model；
Fig. 2 is the electronic jacking mechanism structural schematic diagram that increases on the basis of the dynamometry push pin device of Fig. 1.
In figure：200, lathe control system；
In figure：300, thimble seat, 301, rotation thimble, 302, thrust bearing, 303, front end taper roll bearing, 304, tail
Hold journal bearing, 305, stretch pressure sensor, 306, the signal wire of stretch pressure sensor, 307, the endoporus of rotation thimble,
308, the tail end of thimble seat, 309, thimble conducting slip ring, 310, pressure warning device, 311, seal receptacle, 312, Outer Taper,
313, adjusting screw, 314, sealing cover, 315, the front end of thimble seat；
In figure：500, electronic jacking mechanism, 501, tailstock pedestal, 502, tailstock, 503, tailstock screw rod, 504, cylinder
Gear, 505, hold out against and use decelerating motor.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
It is as shown in Figure 1 a kind of embodiment of the dynamometry push pin device of wind power principal axis turning system of the utility model, packet
Thimble seat 300, rotation thimble 301 are included, 315 endoporus of front end of the thimble seat is according to from the front end of thimble seat 315 to thimble seat
The direction of tail end 308 be equipped with front end taper roll bearing 303 and thrust bearing 302 successively, in the tail end 308 of the thimble seat
Hole be equipped with tail end journal bearing 304, the rotation thimble 301 by the front end taper roll bearing 303, thrust bearing 302,
Tail end journal bearing 304 is mounted in the thimble seat 300, the front end taper roll bearing 303 and thrust bearing 302 it
Between be equipped with stretch pressure sensor 305, the signal wire 306 of the stretch pressure sensor prolonged by the endoporus 307 of rotation thimble
The tail end 308 of thimble seat is extended to, the tail end 308 of the thimble seat is equipped with thimble conducting slip ring 309, the stretch pressure sensing
The signal wire 306 of device connects the thimble conducting slip ring 309, and the thimble conducting slip ring 309 connects lathe control system 200.
In above-mentioned dynamometry push pin device, stretch pressure is equipped between front end taper roll bearing 303 and thrust bearing 302
The pressure of sensor 305, rotation thimble 301 is directly delivered to stretch pressure sensor 305 by taper roll bearing 303
On, the pressure that stretch pressure sensor 305 measures is transferred to lathe control system 200 by thimble conducting slip ring 309.Cause
This, (rotation thimble does not push up part) can detect dynamometry push pin device internal bearings under 301 no-load condition of rotation thimble
Pretightning force state, prevent from being continuing with when push pin device failure, avoid the generation of quality accident.On the other hand, it is pushed up in revolution
Under 301 load condition of needle (rotation thimble top jail part), the axial pressure of part is equally detected by stretch pressure sensor
It arrives, realizes accurately controlling for wind power principal axis stretch pressure.
Pressure is abnormal in order to prevent, and a kind of dynamometry push pin device of wind power principal axis turning system of the present embodiment further includes
The signal wire of pressure warning device 310, the pressure warning device 310 connects lathe control system 200.Work as clamping parts
When, alarm can be sent out by warning device by pressure abnormal conditions occur, and operating personnel is reminded to adjust pressure in time.
In the present embodiment, the tail end 308 of the thimble seat is equipped with the seal receptacle for closing 300 internal cavity of thimble seat
311, the thimble conducting slip ring 309 is mounted on the seal receptacle 311, and the signal wire 306 of the stretch pressure sensor is worn
The threading hole crossed on seal receptacle 311 is connected with thimble conducting slip ring 309.
In the present embodiment, the thimble seat 300 is equipped with the Outer Taper of connection lathe tailstock.
In the present embodiment, the Outer Taper is Morse's cone or 1:20 metric tapers.
In order to facilitate the Pre strained state of adjustment dynamometry push pin device internal bearings, the front end 315 of the thimble seat, which is equipped with, to be used
In the sealing cover 314 of sealing thimble seat inner bearing chamber, the sealing cover is equipped with pre- for adjusting front end taper roll bearing 303
The adjusting screw 315 of tight state.
In the present embodiment, warning device uses buzzer or acoustic-optic alarm.
It is further improved as to embodiment, a kind of dynamometry push pin device of wind power principal axis turning system of the present embodiment
Further include the electronic jacking mechanism 500 held out against automatically for operating rotation thimble 301, the electronic jacking mechanism 500 includes tail
Frame pedestal 501, the interior tailstock 502 being equipped with for installing the thimble seat 300 of the tailstock pedestal 501, the tailstock bottom
The tail end of seat 501 is equipped with the tailstock screw rod 503 for operating the back-and-forth motion of the tailstock 502, the tailstock screw rod 503
It is threadedly coupled with tailstock 502；It is also equipped with and is held out against with decelerating motor 505 on the tailstock pedestal 501, it is described to hold out against with subtracting
Speed motor 505 is connect by a pair of intermeshing roller gear 504 with tailstock screw rod 503；The pair of intermeshing circle
In stud wheel 504, one of roller gear is connected on tailstock screw rod 503, another roller gear, which is connected to, to be held out against with subtracting
On the motor shaft of speed motor 505.
The setting of above-mentioned electronic jacking mechanism so that lathe control system 200 can be surveyed according to stretch pressure sensor 305
The pressure situation obtained starts the size that electronic jacking mechanism 500 adjusts pressure, realizes the automation for holding out against operation.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (7)
1. a kind of dynamometry push pin device of wind power principal axis turning system, which is characterized in that described including thimble seat, rotation thimble
The front end endoporus of thimble seat is equipped with front end taper roller axis successively according to the direction of the tail end from the front end of thimble seat to thimble seat
It holds and thrust bearing, the tail end endoporus of the thimble seat is equipped with tail end journal bearing, the rotation thimble is justified by the front end
Taper roller bearing, thrust bearing, tail end journal bearing be mounted on the thimble seat in, the front end taper roll bearing with push away
Stretch pressure sensor is equipped between power bearing, the signal wire of the stretch pressure sensor is extended through the endoporus of rotation thimble
To the tail end of thimble seat, the tail end of the thimble seat is equipped with thimble conducting slip ring, the signal wire of the stretch pressure sensor
The thimble conducting slip ring is connected, the thimble conducting slip ring connects lathe control system.
2. a kind of dynamometry push pin device of wind power principal axis turning system according to claim 1, which is characterized in that further include
The signal wire of pressure warning device, the pressure warning device connects lathe control system.
3. a kind of dynamometry push pin device of wind power principal axis turning system according to claim 1, which is characterized in that the top
The tail end of needle stand is equipped with the seal receptacle for closing thimble seat internal cavity, and the thimble conducting slip ring is mounted on the seal receptacle
On, the signal wire of the stretch pressure sensor passes through the threading hole on seal receptacle to be connected with thimble conducting slip ring.
4. a kind of dynamometry push pin device of wind power principal axis turning system according to claim 1, which is characterized in that the top
Needle stand is equipped with the Outer Taper of connection lathe tailstock.
5. a kind of dynamometry push pin device of wind power principal axis turning system according to claim 4, which is characterized in that described outer
Cone is Morse's cone or 1:20 metric tapers.
6. a kind of dynamometry push pin device of wind power principal axis turning system according to claim 1, which is characterized in that the top
The front end of needle stand is equipped with the sealing cover for sealing thimble seat inner bearing chamber, and the sealing cover is equipped with for adjusting front end circular cone
The adjusting screw of roller bearing Pre strained state.
7. a kind of dynamometry push pin device of wind power principal axis turning system according to claim 1, which is characterized in that further include
The electronic jacking mechanism held out against automatically for operating rotation thimble, the electronic jacking mechanism include tailstock pedestal, the tailstock
The tailstock for installing the thimble seat is equipped in pedestal, the tail end of the tailstock pedestal is equipped with for operating the tail
The tailstock screw rod that frame sleeve is moved forward and backward, the tailstock screw rod are threadedly coupled with tailstock；It is also installed on the tailstock pedestal
It holds out against with decelerating motor, described hold out against is connect by a pair of intermeshing roller gear with tailstock screw rod with decelerating motor；
In the pair of intermeshing roller gear, one of roller gear is connected on tailstock screw rod, another roller gear
It is connected to and holds out against on the motor shaft with decelerating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638788.4U CN207857877U (en) | 2017-11-30 | 2017-11-30 | A kind of dynamometry push pin device of wind power principal axis turning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638788.4U CN207857877U (en) | 2017-11-30 | 2017-11-30 | A kind of dynamometry push pin device of wind power principal axis turning system |
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| Publication Number | Publication Date |
|---|---|
| CN207857877U true CN207857877U (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721638788.4U Active CN207857877U (en) | 2017-11-30 | 2017-11-30 | A kind of dynamometry push pin device of wind power principal axis turning system |
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| CN (1) | CN207857877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900384A (en) * | 2017-11-30 | 2018-04-13 | 江阴振宏重型锻造有限公司 | A kind of dynamometry push pin device of wind power principal axis turning system |
-
2017
- 2017-11-30 CN CN201721638788.4U patent/CN207857877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900384A (en) * | 2017-11-30 | 2018-04-13 | 江阴振宏重型锻造有限公司 | A kind of dynamometry push pin device of wind power principal axis turning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 888, east section of Furong Avenue, Jiangyin City, Wuxi City, Jiangsu Province, 214400 Patentee after: Zhenhong heavy industry (Jiangsu) Co.,Ltd. Address before: No. 888, east section of Furong Avenue, Jiangyin City, Wuxi City, Jiangsu Province, 214400 Patentee before: JIANGYIN ZENKUNG FORGING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |