CN208246420U - The small stroke driving device of on-line checking - Google Patents
The small stroke driving device of on-line checking Download PDFInfo
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- CN208246420U CN208246420U CN201820195996.XU CN201820195996U CN208246420U CN 208246420 U CN208246420 U CN 208246420U CN 201820195996 U CN201820195996 U CN 201820195996U CN 208246420 U CN208246420 U CN 208246420U
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- slide
- measuring device
- small stroke
- driving device
- line checking
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Abstract
The utility model discloses a kind of small stroke driving devices of on-line checking, belong to on-line checking field, including slide, fixing seat and the travel switch being arranged in mounting base, measuring device is mounted on slide, and slide can do reciprocating linear motion in mounting base along the direction of feed of measuring device, fixing seat is equipped with piston, be additionally provided on slide accommodating cavity compatible with piston, the switching starter to match with travel switch and and accommodating cavity in the rear hydraulic fluid port and preceding hydraulic fluid port for being located at piston two sides and being respectively communicated with.This driving device is used to that measuring device to be clamped on turbine machining tool and realized the small stroke feeding of measuring device, to detect this mach worm gear pitch error and tooth pitch accumulation overall error, and have and improve measuring device repetitive positioning accuracy, to improve the effect of measurement accuracy.
Description
Technical field
The utility model belongs to online measuring technique field, and in particular to a kind of small stroke driving device of on-line checking is used
The on-line checking that worm gear pitch error and tooth pitch accumulation overall error are carried out when turbine machining tool processes turbine.
Background technique
Turbine is a kind of rotary power machinery that the energy of flow working medium is converted to mechanical energy, is widely used in boat
The fields such as empty engine, gas turbine, steam turbine.Turbine machining tool is machined as turbine, various in addition to that can process
Outside worm gear, it is also necessary to complete the projects such as pitch error fpt, tooth pitch accumulation overall error Fp to turbine in turbine machining process
Detection, and targetedly the movement of each axis of spiral case making lathe can be compensated by digital control system according to testing result, with
Error is eliminated, the machining accuracy of worm gear is improved.Therefore, in order to facilitate promoted turbine machining tool machining accuracy and efficiency,
How to realize that turbine machining on-line checking is highly desirable to carry out correlative study.
Utility model content
In view of this, not needed the purpose of this utility model is to provide a kind of small stroke driving device of on-line checking
Under the X-axis motion conditions of turbine machining tool, realize that the small stroke of measuring device feeds to assist completing the online inspection to turbine
The problem of surveying, and can solve measuring device resetting.
Following technical solution that in order to achieve the above object, the utility model provides:
The utility model provides a kind of small stroke driving device of on-line checking, and the driving device is for filling measuring device
Be sandwiched on turbine machining tool and realize measuring device small stroke feeding, including be arranged in mounting base slide, fixing seat
And travel switch, measuring device are mounted on slide, and slide can be made back and forth along the direction of feed of measuring device in mounting base
Linear motion, fixing seat are equipped with piston, are additionally provided with accommodating cavity compatible with piston on slide, match with travel switch
Switching starter and and accommodating cavity be located at piston the two sides rear hydraulic fluid port and preceding hydraulic fluid port that are respectively communicated with.
Further, the travel switch is reset switch and work bit switch, and reset switch and work bit switch are along measurement
The direction of feed of device is successively on the inside of mounting base of the arranged for interval above slide.
Further, the switching starter is collision block or inductive switch, and collision block or inductive switch are by contacting or incuding phase
Accordingly is combined with the control switch formation in reset switch and work bit switch with disconnection, resetted and working position with controlling
Stroke terminal.
It further, further include that transition connects disk, measuring device is installed on transition and connects on disk, and transition connects disk and is mounted on slide.
It further, further include protective cover, protective cover is installed on transition and connects on disk.
Further, linear guide is connected in the mounting base, the bottom of the slide is equipped with to be slided with the linear guide
The guide rail slide block of cooperation, the linear guide is double-rail configuration, using T-type or swallow-tail form.
Further, further include position-limit mechanism, be made of positioning screw, nut, positioning seat, positioning seat is set to the bottom of mounting base
Portion, positioning screw are arranged on positioning seat and are locked by nut and positioning seat.
It further, further include the back shroud and front shroud for being set on slide and being located at accommodating cavity both ends, slide and back shroud
Sealing ring is equipped between front shroud, sealing ring is O-ring seal, and rotary sealing is equipped between the bar portion and back shroud of piston
Pad.
Further, further include by the first rest pad be set to mounting base at least two lateral support structures and pass through
Second rest pad is set at least two longitudinal supporting structures on slide, the supporting direction of lateral support structure and slide movement side
Intersect in horizontal vertical, the supporting direction of longitudinal supporting structure is in vertically to intersect vertically with the slide direction of motion, lateral support
Structure and longitudinal supporting structure are made of spring and steel ball.
The beneficial effects of the utility model are: this driving device is for measuring device to be clamped on turbine machining tool simultaneously
It realizes the small stroke feeding of measuring device, to detect this mach worm gear pitch error and tooth pitch accumulation overall error, and has
Measuring device repetitive positioning accuracy is improved, to improve the effect of measurement accuracy.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 is the structural plan schematic diagram of the small stroke driving device of the utility model on-line checking；
Fig. 2 is the P of Fig. 1 to schematic diagram；
Fig. 3 is after the small stroke driving device clamping measuring device of the utility model on-line checking loaded on turbine machining tool
Schematic diagram.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as the limitation to this patent, for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1,2,3 are please referred to, the element numbers in attached drawing respectively indicate: driving device 100, measuring device 200, big column
Slide plate 300, worm gear 400；Wherein, transition connect disk 1, positioning screw 2, nut 3, positioning seat 4, rear bearing block 5, spring 6, steel ball 7,
Mounting base 8, slide 9, accommodating cavity 10, fixing seat 11, piston 12, rotary sealing pad 13, back shroud 14, sealing ring 15, straight line are led
Rail 16, guide rail slide block 17, switching starter 18, rear hydraulic fluid port 19, reset switch 20, work bit switch 21, preceding hydraulic fluid port 22, protective cover
23, front shroud 24, front support block 25.
Embodiment is substantially as shown in the picture: the small stroke driving device of on-line checking provided in this embodiment, this driving device
100 for measuring device 200 to be clamped on turbine machining tool to and realized, the small stroke feeding of measuring device, including setting exist
Slide 9, fixing seat 11 and travel switch in mounting base 8, mounting base 8 are mounted on the big column slide plate 300 of turbine machining tool
On, measuring device 200 connects disk 1 by transition and is mounted on slide 9, and slide 9 can pacify along the direction of feed of measuring device 200
It does reciprocating linear motion on dress seat 8, piston 12 is fixedly installed in fixing seat 11, is additionally provided on slide 9 and is adapted with piston 12
Accommodating cavity 10, the switching starter 18 that matches with travel switch and connect respectively with accommodating cavity 10 being located at 12 two sides of piston
Logical rear hydraulic fluid port 19 and preceding hydraulic fluid port 22；Travel switch is reset switch 20 and work bit switch 21, reset switch 20 and working position
Switch 21 is along direction of feed successively mounting base 8 inside of the arranged for interval above slide 9 of measuring device 200；Switching starter
18 use collision block, and collision block is correspondingly combined with the control switch formation in reset switch 20 and work bit switch 21 by contact
With disconnection, the stroke terminal with working position is being resetted to control；Linear guide 16 is connected in mounting base 8, the bottom of slide 9 is set
There is the guide rail slide block 17 being slidably matched with the linear guide 16, linear guide 16 uses double-rail configuration, is T-type or swallow-tail form；
Driving device 100 further includes position-limit mechanism, realizes hard limiting effect, is made of positioning screw 2, nut 3, positioning seat 4, positioning seat
4 are set to the bottom of mounting base 8, and positioning screw 2 is arranged on positioning seat 4 and is locked by nut 3 and positioning seat 4；On slide 9
And be located at 10 both ends of accommodating cavity and be equipped with back shroud 14 and front shroud 24, it is equipped between slide 9 and back shroud 14 and front shroud 24 close
Seal 15, the sealing ring 15 use O-ring seal, and rotary sealing pad 13 is equipped between the bar portion and back shroud 14 of piston 12；It drives
Dynamic device 100 further includes at least two lateral support structures being set in mounting base 8 by the first rest pad 5 and by second
Rest pad 25 is set at least two longitudinal supporting structures on slide 9, the supporting direction of lateral support structure and 9 side of moving of slide
Intersect in horizontal vertical, the supporting direction of longitudinal supporting structure is in vertically to intersect vertically with 9 direction of motion of slide, lateral support
Structure and longitudinal supporting structure are made of spring 6 and steel ball 7.
Specifically, mounting base 8 is fixed, measuring device 200 is fixed on transition and connects on disk 1, and transition connects disk and passes through
Screw is fixed on slide 9, and piston 12 is locked in fixing seat 11 by two screw-nuts, and piston is mounted on the accommodating of slide
In chamber 10, both ends are fixed by back shroud 14 and the sealings such as front shroud 24 and rotary seal ring 13 and O-shaped sealing ring 15；
Linear guide 16 and guide rail slide block 17 are installed, slide is mounted on guide rail slide block in mounting base；The small stroke of this on-line checking drives
The motion process of dynamic device are as follows: when after 19 oil inlet of hydraulic fluid port, when preceding 22 oil return of hydraulic fluid port, driving slide is moved towards X positive direction, and installation is solid
The switching starter 18 being scheduled on slide is detached from reset switch 20, after reaching designated position, contacts with work bit switch 21, simultaneously
It is additionally provided with hard limiting, that is, positioning seat 4 and positioning screw 2 are installed, positioning screw is mounted on positioning seat, and is locked by nut 3
Tightly, positioning seat is fixed by screws in mounting base, by adjusting positioning screw position after slide reaches designated position, so that
Positioning screw is contacted with slide, cannot be further continued for moving ahead；Slide executes measuring device 200 afterwards in place and executes measurement movement.Simultaneously
In order to eliminate the gap of slide Y-direction in X-direction movement, it is provided with two springs 6 and steel ball 7, is mounted on the first rest pad 5
On, the first rest pad is fixed by screws in mounting base, and when slide is in backhaul, steel ball is in slot, when slide prepares forward
When measuring movement, steel ball leaves slot in the plane, applies the power of a Y-direction to slide, eliminates the gap of Y-direction, protects
Slide kinematic accuracy is demonstrate,proved, simultaneously, in the Z-direction of slide movement, also there are two spring 6 and steel balls 7, are mounted on second
In supporting block 25, the second rest pad is fixed by screws on slide, and spring 6 and steel ball 7 apply a power to slide Z-direction lower section,
So that slide is affixed to a side always when moving, eliminate in the gap of Z-direction, to guarantee that measuring device is reciprocal in the X direction
Kinematic accuracy when movement, to guarantee measurement accuracy.If slide counter motion, 22 oil inlet of preceding hydraulic fluid port, rear 19 oil return of hydraulic fluid port,
Slide is then moved towards X-axis negative direction, i.e., measuring device 200 executes recoil movement, and switching starter is detached from work bit switch 21 simultaneously
When touching reset switch 20, slide retracts in place.
Using the above scheme, the small stroke driving device 100 of this on-line checking is mounted on the big column slide plate 300 of lathe, is surveyed
Amount device 200 is processed worm gear 400 when measuring and does not need disassembly (but need to stop processing) on lathe, is tested worm gear around its revolution
Dividing movement is done at center, while picking up worm gear angular signal, and measuring device movement is driven by oil cylinder completes and eliminate movement clearance,
While rotating progress stretching motion with worm gear, digital control system data acquisition, and be automatically performed to items such as worm gear fpt, Fp
Purpose detection.Adjustment movement and precision needed for gauge head still utilize movement and machine needed for spiral case making lathe in detection process
The precision of bed.When lathe is transferred to required position, in order to improve the precision of measuring device reciprocating motion, the X-axis of lathe is not needed
Movement, but design has one small stroke to feed in driving device, measuring device repetitive positioning accuracy is improved, to improve survey
Accuracy of measurement.
Switching starter 18 in another embodiment uses inductive switch, i.e., by inductive switch by incuding correspondingly
With reset switch 20 and work bit switch 21 in control switch formation is combined with disconnection, with control reset and working position row
Journey terminal.
Driving device 100 in another embodiment further includes being installed on transition to connect protective cover 23 on disk 1.To drive
Dynamic device 100 is protected away from measuring device 200 away from end, prevents scrap iron from splashing in turbine machining process from entering driving dress
In setting, its operating accuracy is influenced.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
Claims (7)
1. the small stroke driving device of on-line checking, which is characterized in that the driving device (100) is used for measuring device (200)
The small stroke feeding of measuring device is clamped on turbine machining tool and realizes, including the slide being arranged on mounting base (8)
(9), fixing seat (11) and travel switch, measuring device are mounted on slide, and slide can exist along the direction of feed of measuring device
It does reciprocating linear motion in mounting base, fixing seat is equipped with piston (12), is additionally provided with accommodating cavity compatible with piston on slide
(10), the switching starter (18) that matches with travel switch and and accommodating cavity in the rear oil for being located at piston two sides and being respectively communicated with
Mouth (19) and preceding hydraulic fluid port (22).
2. the small stroke driving device of on-line checking according to claim 1, which is characterized in that it further include that transition connects disk (1),
Measuring device is installed on transition and connects on disk, and transition connects disk and is mounted on slide.
3. the small stroke driving device of on-line checking according to claim 2, which is characterized in that it further include protective cover (23),
Protective cover is installed on transition and connects on disk.
4. the small stroke driving device of on-line checking according to claim 1, which is characterized in that be connected in the mounting base
Linear guide (16), the bottom of the slide are equipped with the guide rail slide block (17) being slidably matched with the linear guide, and the straight line is led
Rail is double-rail configuration, using T-type or swallow-tail form.
5. the small stroke driving device of on-line checking according to claim 1, which is characterized in that it further include position-limit mechanism, by
Positioning screw (2), nut (3), positioning seat (4) composition, positioning seat are set to the bottom of mounting base, and positioning screw is arranged in positioning seat
It goes up and passes through nut and positioning seat is locked.
6. the small stroke driving device of on-line checking according to claim 1, which is characterized in that further include be set to slide on and
Back shroud (14) and front shroud (24) positioned at accommodating cavity both ends are equipped with sealing ring between slide and back shroud and front shroud
(15), sealing ring is O-ring seal, is equipped with rotary sealing pad (13) between the bar portion and back shroud of piston.
7. the small stroke driving device of on-line checking according to claim 1, which is characterized in that further include by the first bearing
Block (5) is set at least two lateral support structures in mounting base and is set on slide at least by the second rest pad (25)
The supporting direction of two longitudinal supporting structures, lateral support structure intersects with the slide direction of motion in horizontal vertical, longitudinal supporting
The supporting direction of structure is with the slide direction of motion in vertically intersecting vertically, and lateral support structure and longitudinal supporting structure are by spring
(6) it is formed with steel ball (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195996.XU CN208246420U (en) | 2018-02-05 | 2018-02-05 | The small stroke driving device of on-line checking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195996.XU CN208246420U (en) | 2018-02-05 | 2018-02-05 | The small stroke driving device of on-line checking |
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| CN208246420U true CN208246420U (en) | 2018-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098456A (en) * | 2018-02-05 | 2018-06-01 | 重庆机床(集团)有限责任公司 | The small stroke driving device of on-line checking |
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2018
- 2018-02-05 CN CN201820195996.XU patent/CN208246420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098456A (en) * | 2018-02-05 | 2018-06-01 | 重庆机床(集团)有限责任公司 | The small stroke driving device of on-line checking |
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