CN107900384A - 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
- Publication number
- CN107900384A CN107900384A CN201711237555.8A CN201711237555A CN107900384A CN 107900384 A CN107900384 A CN 107900384A CN 201711237555 A CN201711237555 A CN 201711237555A CN 107900384 A CN107900384 A CN 107900384A
- Authority
- CN
- China
- Prior art keywords
- thimble
- push pin
- pin device
- tail end
- tailstock
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/48—Measuring or detecting
- B23B2270/483—Measurement of force
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to equipment Technology field,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 from the front end of thimble seat to the direction of the tail end of 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 installed 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 provided 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 present invention can monitor push pin device internal bearings pretightning force and pressure.
Description
Technical field
The present invention relates to equipment Technology field, and in particular to a kind of dynamometry thimble dress of wind power principal axis turning system
Put.
Background technology
Wind power principal axis is to connect wind wheel and gear-box or the important vital part of generator, main original in wind-driven generator
Material is steel ingot, becomes main shaft after three master operations such as forging and pressing, be heat-treated, finishing and make, its final processing is smart
Spend 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 aided in 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, causes its circle bounce processed and the increase of axle body straightness error, so as to eventually affect the matter of product
Measure performance.
There are following two problems for push pin device of the prior art：
First, the pressure of push pin device is artificially controlled typically by operating personnel, pressure tension is be easy to cause
Or excessively pine and influence the machining accuracy of 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, it is impossible to which the accurate axial pressure state for reflecting thimble portion, causes its reality
The error of pressure is larger.
Second, 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
After part machines, to 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.
The content of the invention
To solve the above-mentioned problems, the present invention proposes a kind of dynamometry push pin device of wind power principal axis turning system, it is intended to real
When monitor push pin device internal bearings pretightning force state, and accurately control pressure size, and then improve processing quality.Tool
The technical solution of body 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
End endoporus is equipped with front end taper roll bearing and thrust axis successively according to from the front end of thimble seat to the direction of the tail end of 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 installed 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
Tail end, the tail end of the thimble seat are provided with thimble conducting slip ring, and the signal wire of the stretch pressure sensor connects the top
Pin 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
Device, the pressure of rotation thimble are directly delivered on stretch pressure sensor by taper roll bearing, stretch pressure sensor
The pressure measured is transferred to lathe control system by thimble conducting slip ring.Therefore, it 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 realizes the accurate control of wind power principal axis stretch pressure equally detected by stretch pressure sensor
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 invention further includes top
Clamp force warning device, the signal wire connection lathe control system of the pressure warning device.When clamping parts, hold out against
Power abnormal conditions can be sent alarm by warning device, remind operating personnel to adjust pressure in time.
In the present invention, the tail end of the thimble seat is equipped with the seal receptacle for being used for closing thimble seat internal cavity, the thimble
Conducting slip ring is installed on the seal receptacle, and the signal wire of the stretch pressure sensor passes through threading hole and top on seal receptacle
Pin conducting slip ring is connected.
In the present invention, the thimble seat is equipped with the Outer Taper of connection lathe tailstock.
In the present invention, 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 being used for adjusting front end taper roll bearing Pre strained state
Whole screw.
As a further refinement of the present invention, a kind of dynamometry push pin device of wind power principal axis turning system of the present invention is also
Including the electronic jacking mechanism held out against automatically for operating rotation thimble, the electronic jacking mechanism includes tailstock base, described
The tailstock for being used for installing the thimble seat is equipped with tailstock base, the tail end of the tailstock base is provided with for operating institute
The tailstock screw rod of tailstock back-and-forth motion is stated, the tailstock screw rod is threadedly coupled with tailstock；On the tailstock base also
It is provided with to hold out against and is connected with decelerating motor, described hold out against with decelerating motor by a pair of intermeshing roller gear with tailstock screw rod
Connect；In the pair of intermeshing roller gear, one of roller gear is connected on tailstock screw rod, another Cylinder Gear
Wheel, 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 beneficial effects of the invention are as follows：
First, a kind of dynamometry push pin device of wind power principal axis turning system of the invention, in front end taper roll bearing with
Stretch pressure sensor is equipped between thrust bearing, the pressure of rotation thimble is directly delivered to by taper roll bearing to be held out against
On pressure sensor, the pressure that stretch pressure sensor measures is transferred to lathe control system by thimble conducting slip ring.Cause
This, it (rotation thimble does not push up part) can detect the pre- of dynamometry push pin device internal bearings under rotation thimble no-load condition
Clamp force state, prevents from being continuing with during push pin device failure, avoids the generation of quality accident.
Second, the dynamometry push pin device of a kind of wind power principal axis turning system of the invention, under rotation thimble load condition
(rotation thimble top jail part), the axial pressure of part realizes wind-powered electricity generation master equally detected by stretch pressure sensor
The accurate control of axis stretch pressure.
3rd, the dynamometry push pin device of a kind of wind power principal axis turning system of the invention, equipped with adjusting front end taper roller
The adjusting screw of bearing pre-tightened 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 invention, if in part process
There is a situation where the loosening of lathe main shaft end clamping, dynamometry push pin device is able to detect that the drastically decline of pressure, sends in advance
Early warning, advantageously ensures that equipment safety.
5th, a kind of dynamometry push pin device of wind power principal axis turning system of the invention, is provided with for operating revolution top
The electronic jacking mechanism that pin is held out against automatically so that lathe control system can be according to the pressure feelings that stretch pressure sensor measures
Condition, starts the size of electronic jacking mechanism adjustment pressure, realizes the automation for holding out against operation.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the dynamometry push pin device of wind power principal axis turning system of the present invention；
Fig. 2 is the electronic jacking mechanism structure diagram that adds on the basis of the dynamometry push pin device of Fig. 1.
In figure：200th, lathe control system；
In figure：300th, 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,
308th, the tail end of thimble seat, 309, thimble conducting slip ring, 310, pressure warning device, 311, seal receptacle, 312, Outer Taper,
313rd, adjusting screw, 314, sealing cover, 315, the front end of thimble seat；
In figure：500th, electronic jacking mechanism, 501, tailstock base, 502, tailstock, 503, tailstock screw rod, 504, cylinder
Gear, 505, hold out against and use decelerating motor.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is further described.Following embodiments are only
For clearly illustrating technical scheme, and it is not intended to limit the protection scope of the present invention and limits the scope of the invention.
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 present invention, including pushes up
Needle stand 300, rotation thimble 301,315 endoporus of front end of the thimble seat is according to the tail from the front end 315 of thimble seat to thimble seat
The direction at end 308 is equipped with front end taper roll bearing 303 and thrust bearing 302 successively, and 308 endoporus of tail end of the thimble seat is set
There is tail end journal bearing 304, the rotation thimble 301 passes through the front end taper roll bearing 303, thrust bearing 302, tail end
Journal bearing 304 is installed in the thimble seat 300, is set between the front end taper roll bearing 303 and thrust bearing 302
There is stretch pressure sensor 305, the signal wire 306 of the stretch pressure sensor is extended to by the endoporus 307 of rotation thimble
The tail end 308 of thimble seat, the tail end 308 of the thimble seat are provided with thimble conducting slip ring 309, the stretch pressure sensor
Signal wire 306 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
Sensor 305, the pressure of rotation thimble 301 are 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, it (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 during push pin device failure, avoid the generation of quality accident.On the other hand, pushed up in revolution
Under 301 load condition of pin (rotation thimble top jail part), the axial pressure of part is equally detected by stretch pressure sensor
Arrive, realize the accurate control of 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
Pressure warning device 310, the signal wire connection lathe control system 200 of the pressure warning device 310.Work as clamping parts
When, alarm can be sent by warning device by pressure abnormal conditions occur, remind operating personnel to adjust pressure in time.
In the present embodiment, the tail end 308 of the thimble seat is equipped with the seal receptacle for being used for closing 300 internal cavity of thimble seat
311, the thimble conducting slip ring 309 is installed 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.
Improved as to the further of embodiment, a kind of dynamometry push pin device of wind power principal axis turning system of the present embodiment
The electronic jacking mechanism 500 held out against automatically for operating rotation thimble 301 is further included, the electronic jacking mechanism 500 includes tail
Frame base 501, the tailstock base 501 is interior to be equipped with the tailstock 502 for being used for installing the thimble seat 300, the tailstock bottom
The tail end of seat 501 is provided with the tailstock screw rod 503 moved back and forth for operating the tailstock 502, the tailstock screw rod 503
It is threadedly coupled with tailstock 502；It is also equipped with holding out against on the tailstock base 501 with decelerating motor 505, it is described to hold out against with subtracting
Speed motor 505 is connected 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 present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of dynamometry push pin device of wind power principal axis turning system, it is characterised 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 from the front end of thimble seat to the direction of the tail end of thimble seat
Hold and thrust bearing, the tail end endoporus of the thimble seat are equipped with tail end journal bearing, the rotation thimble is justified by the front end
Taper roller bearing, thrust bearing, tail end journal bearing are installed in the thimble seat, in the front end taper roll bearing with pushing away
Stretch pressure sensor is equipped between power bearing, the signal wire of the stretch pressure sensor is extended by the endoporus of rotation thimble
To the tail end of thimble seat, the tail end of the thimble seat is provided 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. the dynamometry push pin device of a kind of wind power principal axis turning system according to claim 1, it is characterised in that further include
Pressure warning device, the signal wire connection lathe control system of the pressure warning device.
A kind of 3. dynamometry push pin device of wind power principal axis turning system according to claim 1, it is characterised in that the top
The tail end of needle stand is equipped with the seal receptacle for being used for closing thimble seat internal cavity, and the thimble conducting slip ring is installed on the seal receptacle
On, the signal wire of the stretch pressure sensor is connected through the threading hole on seal receptacle with thimble conducting slip ring.
A kind of 4. dynamometry push pin device of wind power principal axis turning system according to claim 1, it is characterised in that the top
Needle stand is equipped with the Outer Taper of connection lathe tailstock.
5. the dynamometry push pin device of a kind of wind power principal axis turning system according to claim 1, it is characterised in that described outer
Cone is Morse's cone or 1:20 metric tapers.
A kind of 6. dynamometry push pin device of wind power principal axis turning system according to claim 1, it is characterised in that the top
The front end of needle stand is equipped with the sealing cover for being used for sealing thimble seat inner bearing chamber, and the sealing cover, which is equipped with, to be used to adjust front end circular cone
The adjusting screw of roller bearing Pre strained state.
7. the dynamometry push pin device of a kind of wind power principal axis turning system according to claim 1, it is characterised in that further include
The electronic jacking mechanism held out against automatically for operating rotation thimble, the electronic jacking mechanism include tailstock base, the tailstock
The tailstock for being used for installing the thimble seat is equipped with base, the tail end of the tailstock base is provided with for operating the tail
The tailstock screw rod that frame sleeve moves back and forth, the tailstock screw rod are threadedly coupled with tailstock；Also installed on the tailstock base
Hold out against and be connected with decelerating motor, described hold out against with decelerating motor by a pair of intermeshing roller gear with tailstock screw rod；
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 |
|---|---|---|---|
| CN201711237555.8A CN107900384A (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 |
|---|---|---|---|
| CN201711237555.8A CN107900384A (en) | 2017-11-30 | 2017-11-30 | A kind of dynamometry push pin device of wind power principal axis turning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107900384A true CN107900384A (en) | 2018-04-13 |
Family
ID=61848165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711237555.8A Pending CN107900384A (en) | 2017-11-30 | 2017-11-30 | A kind of dynamometry push pin device of wind power principal axis turning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107900384A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659911A (en) * | 2019-03-07 | 2020-09-15 | 江苏华兑金属科技有限公司 | Automatically-controlled numerical control lathe tailstock feeding method |
| CN114749955A (en) * | 2022-04-19 | 2022-07-15 | 上海建工四建集团有限公司 | Thimble seat |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4314147A1 (en) * | 1992-06-16 | 1993-12-23 | Steinel Gmbh Voest Alpine | Machine tool esp. lathe - has motorised linear movement drive for headstock located movable in bed guide in housing provided with mounting for centring tip and signal transmitter for controlling linear movement |
| CN2297265Y (en) * | 1996-12-10 | 1998-11-18 | 张士金 | Electric tailstock |
| CN2754074Y (en) * | 2004-12-08 | 2006-01-25 | 黄桂林 | Machine tool center axial force measuring instrument |
| CN101898255A (en) * | 2009-05-25 | 2010-12-01 | 南京农业大学 | Replaceable ceramic rotating centre |
| CN103481197A (en) * | 2013-09-09 | 2014-01-01 | 清华大学 | Grinder hydraulic tailstock center axial force measuring device |
| CN104907603A (en) * | 2015-06-15 | 2015-09-16 | 何小平 | Shaft processing device |
| CN104950810A (en) * | 2015-06-12 | 2015-09-30 | 中钢集团邢台机械轧辊有限公司 | Real-time monitoring device for rotation of lathe centre |
| CN206200144U (en) * | 2016-08-31 | 2017-05-31 | 张清泉 | Tailstock elasticity rotation thimble |
| CN207857877U (en) * | 2017-11-30 | 2018-09-14 | 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 CN201711237555.8A patent/CN107900384A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4314147A1 (en) * | 1992-06-16 | 1993-12-23 | Steinel Gmbh Voest Alpine | Machine tool esp. lathe - has motorised linear movement drive for headstock located movable in bed guide in housing provided with mounting for centring tip and signal transmitter for controlling linear movement |
| CN2297265Y (en) * | 1996-12-10 | 1998-11-18 | 张士金 | Electric tailstock |
| CN2754074Y (en) * | 2004-12-08 | 2006-01-25 | 黄桂林 | Machine tool center axial force measuring instrument |
| CN101898255A (en) * | 2009-05-25 | 2010-12-01 | 南京农业大学 | Replaceable ceramic rotating centre |
| CN103481197A (en) * | 2013-09-09 | 2014-01-01 | 清华大学 | Grinder hydraulic tailstock center axial force measuring device |
| CN104950810A (en) * | 2015-06-12 | 2015-09-30 | 中钢集团邢台机械轧辊有限公司 | Real-time monitoring device for rotation of lathe centre |
| CN104907603A (en) * | 2015-06-15 | 2015-09-16 | 何小平 | Shaft processing device |
| CN206200144U (en) * | 2016-08-31 | 2017-05-31 | 张清泉 | Tailstock elasticity rotation thimble |
| CN207857877U (en) * | 2017-11-30 | 2018-09-14 | 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659911A (en) * | 2019-03-07 | 2020-09-15 | 江苏华兑金属科技有限公司 | Automatically-controlled numerical control lathe tailstock feeding method |
| CN114749955A (en) * | 2022-04-19 | 2022-07-15 | 上海建工四建集团有限公司 | Thimble seat |
| CN114749955B (en) * | 2022-04-19 | 2023-05-26 | 上海建工四建集团有限公司 | Top needle seat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207669000U (en) | A kind of turnery processing system | |
| US3815929A (en) | Power operable chuck | |
| CN201324954Y (en) | Combined positioning and clamping device | |
| CN105222959A (en) | Amount of unbalance on-line monitoring in a kind of disc type work processing and De-weight method | |
| CN101524717B (en) | Large-scale ring rolling machine proportion servo-control system | |
| CN107900384A (en) | A kind of dynamometry push pin device of wind power principal axis turning system | |
| JP6501156B2 (en) | Tool abnormality detection method | |
| CN207857877U (en) | A kind of dynamometry push pin device of wind power principal axis turning system | |
| CN104289890A (en) | Device and method used for knuckle bearing installation and detection | |
| CN105798548B (en) | Mine car front overhang oil cylinder guide sleeve processing technology | |
| CN102785097B (en) | Crankshaft is to automatic locating centre device | |
| CN108000234A (en) | A kind of turnery processing system and method for turning | |
| CN103743332A (en) | Device for monitoring oil film thickness of main bearing of large-sized grinding machine | |
| US20220143768A1 (en) | Method for joining or machining and apparatus therefor | |
| JP5402347B2 (en) | Work slip prevention method and apparatus | |
| CN105150029A (en) | Tool inspection device | |
| CN203664707U (en) | Intelligent measuring device of tailstock tightening force of heavy horizontal lathe | |
| CN209349926U (en) | A kind of internal expansion type click-on mechanism | |
| CN207668526U (en) | A kind of dynamometry clamping device of wind power principal axis turning system | |
| CN203940991U (en) | The mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force | |
| CN203642847U (en) | Device used for loading detection of outer diameter of connecting rod brushing | |
| CN110193611B (en) | Electric spindle structure of hybrid supporting self-balancing machine tool and control method thereof | |
| CN208772481U (en) | Large-scale lathe revolving meber beat centering auxiliary tool | |
| CN103551923B (en) | The scaling method that lathe is demarcated turning dynamometer and caliberating device | |
| CN112808798A (en) | Straightening combined roller system of row straightening machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |