CN204461341U - Axis hole parameter measuring apparatus - Google Patents
Axis hole parameter measuring apparatus Download PDFInfo
- Publication number
- CN204461341U CN204461341U CN201520194041.9U CN201520194041U CN204461341U CN 204461341 U CN204461341 U CN 204461341U CN 201520194041 U CN201520194041 U CN 201520194041U CN 204461341 U CN204461341 U CN 204461341U
- Authority
- CN
- China
- Prior art keywords
- column
- axis hole
- measuring apparatus
- parameter measuring
- detent mechanism
- 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.)
- Expired - Fee Related
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of axis hole parameter measuring apparatus, be provided with multiple column around levelling bench, substrate is movably arranged on column, and can slide along column; Substrate is provided with multiple Digitizing plate corresponding with workpiece upper shaft hole position, is also provided with corresponding with at least two axis holes on workpiece, for the vertical shaft device of positioning shaft hole axis, has at least a detent mechanism to contact with Digitizing plate in described vertical shaft device.A kind of axis hole parameter measuring apparatus that the utility model provides, by adopting vertical shaft device to coordinate the liftable substrate with Digitizing plate, can realize the parameters such as the wheelbase of measurement axis hole accurately and fast, verticality and the depth of parallelism.And easy to operate, measuring speed is fast, be suitable for on-line measurement on streamline, and cost is lower.
Description
Technical field
The utility model relates to measurement mechanism field, particularly a kind of axis hole parameter measuring apparatus.
Background technology
Hydropress mechanical arm equipment has the more axis hole needing degree of precision, such as, in hydropress mechanical arm each axis hole of large arm and forearm, the wheelbase between axis hole and the depth of parallelism, verticality equally accurate error can have influence on the using state of the equipment after final assembling.When the depth of parallelism of axis hole and the error of perpendicularity larger time, equipment runs then smooth and easy not, and axle or axle sleeve easily wear and tear, thus shortens the serviceable life of equipment.Existing part, seldom there is the mode adopting and all process voluntarily, the mode of many employings cooperation processing, and be comparatively difficult for the size of this kind of part and the measurement of the accuracy of form and position, if cannot control the size of part and the accuracy of form and position, be then difficult to assemble the equipment producing satisfactory quality.Especially for large batch of part, the measurement of the wheelbase of its central axis hole, the verticality of axis hole and the depth of parallelism is all that difficulty and spended time are more.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of axis hole parameter measuring apparatus, can the wheelbase of Quick Measurement axis hole, can also measure the depth of parallelism between axis hole and verticality trueness error parameter, get rid of underproof workpiece fast in preferred scheme.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of axis hole parameter measuring apparatus, and be provided with multiple column around levelling bench, substrate is movably arranged on column, and can slide along column;
Substrate is provided with multiple Digitizing plate corresponding with workpiece upper shaft hole position, is also provided with corresponding with at least two axis holes on workpiece, for the vertical shaft device of positioning shaft hole axis, has at least a detent mechanism to contact with Digitizing plate in described vertical shaft device.
Have multiple detent mechanism to contact with Digitizing plate in described vertical shaft device, multiple detent mechanism is circumferentially arranged, the dead in line of the center of circle of multiple detent mechanism places circle and the axis hole at vertical shaft device place.
Described detent mechanism is pressure transducer.
Described detent mechanism is displacement transducer, is provided with reference block at the home position of multiple detent mechanism places circle, and the top of described reference block is lower than the top of displacement transducer.
Described substrate is connected with one end of wire rope, and the other end of wire rope is connected with counterweight, and the pulley being positioned at column top walked around by wire rope.
Described substrate is provided with lifting drive.
Described lifting drive is cylinder;
Or in described lifting drive, servomotor is connected with driving lever by gear train, driving lever is connected with the follower lever at two ends by gear train, and the two ends of follower lever are connected with a joggle by gear train and the tooth bar being installed in column.
In described vertical shaft device, base is connected with column, column is socketed with the axle sleeve with shaft hole matching, and the top of column is detent mechanism.
In described vertical shaft device, base is connected with column, column is socketed with the axle sleeve with shaft hole matching, the top of column is provided with pallet, pallet is provided with multiple displacement transducer be uniformly distributed along the circumference, position pallet being positioned at column axis is provided with reference block, and the top of described reference block is lower than the top of displacement transducer.
Described levelling bench is provided with liftable lifting deflector roll and limited block.
A kind of axis hole parameter measuring apparatus that the utility model provides, by adopting vertical shaft device to coordinate the liftable substrate with Digitizing plate, can realize the parameters such as the wheelbase of measurement axis hole accurately and fast, verticality and the depth of parallelism.And easy to operate, measuring speed is fast, be suitable for on-line measurement on streamline, and cost is lower.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is integrally-built schematic front view of the present utility model.
Fig. 2 is integrally-built schematic top plan view of the present utility model.
Fig. 3 is the schematic top plan view of levelling bench of the present utility model.
Fig. 4 is the schematic diagram of the structure of the utility model substrate and vertical shaft device.
Fig. 5 is the structural representation of substrate of the present utility model and vertical shaft device preferred embodiment.
Fig. 6 is the schematic top plan view of workpiece.
Fig. 7 is schematic front view when substrate sum digit plate is measured in the utility model.
Fig. 8 is the schematic top plan view of pallet in the utility model.
Fig. 9 is the preferred structure schematic diagram of the utility model neutral axis device.
In figure: substrate 1, column 101, pulley 102, wire rope 103, counterweight 104, lifting drive 105, servomotor 1051, driving lever 1052, follower lever 1053, tooth bar 1054, guide rail 106, Digitizing plate 2, integrated interface 3, harvester 4, pressure or displacement transducer 5, axle sleeve 6, base 7, pallet 8, column 9, reference block 10, level meter 11, workpiece 12, axis hole 121, levelling bench 13, lifting deflector roll 131, limited block 132, conveying device 14.
Embodiment
Embodiment 1:
As in Fig. 1, a kind of axis hole parameter measuring apparatus, is provided with multiple column 9, is provided with the conveying device 14 for conveying workpieces at the two ends of levelling bench 13 around levelling bench 13, preferred scheme is as in Fig. 1,3, and described levelling bench 13 is provided with liftable lifting deflector roll 131 and limited block 132.In this example, the preferred cylinder that adopts makes lifting deflector roll 131 and limited block 132 realize lifting.Under lifting deflector roll 131 rises the state come, the upper surface of lifting deflector roll 131, higher than the upper surface of levelling bench 13, is beneficial to the heavier movement of workpiece 12 on levelling bench 13.The lifting of limited block 132 then for blocking the workpiece 12 of movement so that measure.Preferred further, the deflector roll on lifting deflector roll 131 is the structure carrying driving, is realized the automatic operation of workpiece 12, to adapt to the on-line checkingi on streamline by the rotation of deflector roll.
As in Fig. 1,2, substrate 1 is movably arranged on column 9, and can slide up and down along column 9;
Substrate 1 is provided with multiple Digitizing plate 2 corresponding with workpiece 12 upper shaft hole position, also be provided with corresponding with at least two axis holes on workpiece, for the vertical shaft device of positioning shaft hole 121 axis, a detent mechanism in described vertical shaft device, is had at least to contact with Digitizing plate 2.
Preferred scheme is as in Fig. 1,2 further, and described substrate 1 is connected with one end of wire rope 103 in the position at four angles, and the other end of wire rope 103 is connected with counterweight 104, and the pulley 102 being positioned at column 101 top walked around by wire rope 103.By the counterweight arranged, the deadweight of substrate 1 is reduced, to reduce the impact of inertia on measuring accuracy, also avoid in measuring process, damage high-precision Digitizing plate 2.Digitizing plate in this example is prior art, and after contacting with detent mechanism, electromagentic resonance can be utilized to sense the position of detent mechanism, existing Digitizing plate highest resolution can reach 0.005 millimeter/point, meets the measuring accuracy requirement in the utility model completely.Preferably, multiple Digitizing plate 2 with between substrate 1 for being flexibly connected.The mode that Electrostatic Absorption, vacuum suction, magnet adsorption or screw connect can be adopted.Substrate 1 in this example preferably adopts light material, such as almag or titanium alloy.
Described substrate 1 is provided with lifting drive 105.Described lifting drive is cylinder or hydraulic cylinder;
Or optional scheme as shown in Figure 1, 2, in described lifting drive 105, servomotor 1051 is connected with driving lever 1052 by gear train, driving lever 1052 is connected with the follower lever 1053 at two ends by gear train, and the two ends of follower lever 1053 are connected with a joggle by gear train and the tooth bar 1054 being installed in column 101.Specifically in this example, servomotor 1051 is fixedly mounted on the top of substrate 1, servomotor 1051 is connected with driving lever 1052 by gear reduction, the two ends of driving lever 1052 are connected with follower lever 1053 by bevel gear set or helical tooth wheels, the two ends of follower lever 1053 are provided with spur gear, and spur gear is connected with a joggle with the tooth bar 1054 being installed in column 101.Structure thus, realizes the synchronization lifting of substrate 1.Owing to being provided with the structure of pulley 102 and counterweight 104, the deadweight of substrate is little, is convenient to adopt the servomotor 1051 of less moment of torsion to drive, and avoids damaging Digitizing plate 2.The spacing of substrate 1 decline can be spacing as what decline by the activation signal between Digitizing plate 2 and detent mechanism, and the angular displacement sensor signal that servomotor carries is spacing as what decline.The upper limit of substrate 1 can be controlled by travel switch.
Multiple Digitizing plate 2 is electrically connected with integrated interface 3 by signal wire, and integrated interface 3 is electrically connected with harvester 4, and the measuring-signal collected is flowed to computer analysis by harvester 4.Collected the position of vertical shaft device top on Digitizing plate being positioned at axis hole by harvester, convert reference coordinate to respectively, calculate the wheelbase between axis hole by computer.
Preferred scheme is as in Fig. 4, and in described vertical shaft device, base 7 is connected with column 9, column 9 is socketed with the axle sleeve 6 with shaft hole matching, and the top of column 9 is detent mechanism.
Further in preferred scheme, described detent mechanism is pressure transducer or displacement transducer.Displacement transducer is adopted to be preferably, because in measuring process, the error of vertical shaft device may be there is, when vertical shaft device upper end detent mechanism not in the horizontal plane time, because displacement transducer is telescopic structure, the error of vertical shaft device can well be compensated.
Preferably, be also provided with level meter 11 on substrate 1, such as leveling bubble or horizon sensor, to guarantee substrate 1 and levelling bench 13 keeping parallelism, correspondingly, Digitizing plate 2 also with levelling bench 13 keeping parallelism.
See Fig. 1 ~ 4,6, when using above-mentioned axis hole parameter measuring apparatus to measure, comprise the following steps:
One, be connected with harvester 4 by integrated interface 3 by the multiple Digitizing plates 2 on substrate 1, harvester 4 is connected with computer, using a Digitizing plate as benchmark, obtains the coordinate position of other Digitizing plates relative to benchmark Digitizing plate; Location between Digitizing plate by substrate 1 clamping on numerically-controlled machine, can adopt numerically-controlled machine auxiliary positioning.
Two, workpiece 12 is transported on levelling bench 13 by conveying device 14, lifting deflector roll 131 declines, the reference field of workpiece 12 is placed on levelling bench 13, is loaded by vertical shaft device in the axis hole 121 of workpiece 12, makes the dead in line of column 9 axis in vertical shaft device and axis hole 121;
Three, substrate 1 declines under the driving of lifting drive 105, the Digitizing plate 2 of substrate 1 contacts with detent mechanism, collect the position of detent mechanism top on Digitizing plate by harvester, convert reference coordinate to respectively, calculate the wheelbase between axis hole by computer.
Further in preferred scheme, the vertical shaft device respectively in rotational axis hole, if there is the error of perpendicularity, then wheelbase can change, and can obtain the error of perpendicularity by calculating, when exceeding setting value, workpiece is defective.Simultaneously along the vertical shaft device in identical direction rotational axis hole, if there is parallelism error, then wheelbase can change, and can obtain parallelism error value by calculating, when exceeding setting value, workpiece is defective.
Embodiment 2:
On the basis of embodiment 1, different from embodiment 1, as in Fig. 5,7 ~ 9, in described vertical shaft device, there is the top of multiple detent mechanism to contact with Digitizing plate 2, multiple detent mechanism is circumferentially arranged, the dead in line of the center of circle of multiple detent mechanism places circle and the axis hole at vertical shaft device place.In this example, Digitizing plate 2 needs to support that Multi-contact is measured, less demanding due to for measuring speed in the utility model, and it is easy for therefore realizing multimetering, utilizes the mode carrying out scanning line by line and by column to realize.Preferably 8 ~ 36 detent mechanisms are adopted in this example.
Further in preferred scheme, described detent mechanism is pressure transducer.
Identical with embodiment 1 of measuring process, when Digitizing plate 2 and the tip contact of pressure transducer, by the Fitting Calculation, can draw the reference coordinate of each axis hole 121 axis, thus the wheelbase between shaft outlet hole.When the verticality of axis hole 121 meets the requirements, under substrate 1 is in horizontality, should be equal on pressure transducer value theory on each pallet 8, if the pressure value on pressure transducer is not etc., then represent that the verticality of axis hole 121 exists error, if error exceedes setting value, then workpiece 12 is defective.By with friction speed rotating vertical shaft device, can draw maximum parallelism error as calculated, if error exceedes setting value, then workpiece 12 is defective.By structure and the method for this example, underproof workpiece can be gone out by rapid sorting, improve sorting efficiency.
In another preferred scheme, described detent mechanism is displacement transducer, is provided with reference block 10 at the home position of multiple detent mechanism places circle, and the top of described reference block 10 is lower than the top of displacement transducer.Preferably displacement transducer is adopted in this example.By the Collapsible structure of displacement transducer, compensate the error of vertical shaft device.
Concrete structure is: in described vertical shaft device, base 7 is connected with column 9, column 9 is socketed with the axle sleeve 6 with shaft hole matching, the top of column 9 is provided with pallet 8, pallet 8 is provided with multiple displacement transducer be uniformly distributed along the circumference, position pallet 8 being positioned at column 9 axis is provided with reference block 10, and the top of described reference block 10 is lower than the top of displacement transducer.The position of usual displacement transducer is near the edge of pallet 8.Adopting the design of replaceable axle sleeve, vertical shaft device of the present utility model can being made to be applicable to the axis hole 121 of different pore size by changing axle sleeve 6, to expand the applicability of the utility model device.When deployed, need to make return-to-zero to displacement transducer, namely when the top of displacement transducer is concordant with the top of reference block 10, shift value is now set to zero.Displacement transducer can adopt eddy current sensor or grating scale displacement transducer, and the former measures conveniently, and the latter's measuring accuracy is higher.When adopting displacement transducer, measuring the shift value that obtains can be negative value, the displacement sensor of the other end corresponding with on pallet 8 obtain on the occasion of between error, be linear error, can error of tilt be obtained after converting.For the product of measure batch, can error of tilt be converted into, directly can judge whether workpiece 12 conforms to quality requirements according to linear error.
Adopt above-mentioned axis hole parameter measuring apparatus to carry out the method measured, comprise the following steps:
One, be connected with harvester 4 by integrated interface 3 by the multiple Digitizing plates 2 on substrate 1, harvester 4 is connected with computer, using a Digitizing plate as benchmark, obtains the coordinate position of other Digitizing plates relative to benchmark Digitizing plate; Location between Digitizing plate by substrate 1 clamping on numerically-controlled machine, can adopt numerically-controlled machine auxiliary positioning.
Two, workpiece 12 is transported on levelling bench 13 by conveying device 14, lifting deflector roll 131 declines, the reference field of workpiece 12 is placed on levelling bench 13, is loaded by vertical shaft device in the axis hole 121 of workpiece 12, makes the dead in line of column 9 axis in vertical shaft device and axis hole 121;
Three, substrate 1 declines under the driving of lifting drive 105, the Digitizing plate 2 of substrate 1 and detent mechanism, the i.e. displacement transducer tip contact of this example, in contact process, the sounding rod of displacement transducer is depressed, Digitizing plate 2 directly drops on the top of reference block, thus obtains accurate wheelbase parameter.
When Digitizing plate 2 drops on the top of reference block, now the sounding rod of displacement transducer is depressed, null value after the shift value of each displacement transducer is zero, then axis hole 121 is vertical with levelling bench 13, if there is different shift values, then there is the error of perpendicularity between axis hole 121 and levelling bench 13 in the shift value of the positive and negative value usually having at least one group of displacement transducer position relative, if error exceeds setting value, namely workpiece 12 is off quality.
By with friction speed rotating vertical shaft device, maximum parallelism error can be drawn as calculated.Underproof workpiece can be gone out by rapid sorting by this example, and draw comparatively accurate error value.
By above step, the wheelbase fast, accurately between measurement axis hole and verticality, the depth of parallelism parameter of axis hole 121.
The above embodiments are only optimal technical scheme of the present utility model; and should not be considered as restriction of the present utility model; the technical scheme that protection domain of the present utility model should be recorded with claim, the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain.Namely the equivalent replacement within the scope of this improves, also within protection domain of the present utility model.
Claims (10)
1. an axis hole parameter measuring apparatus, is characterized in that: levelling bench (13) is provided with multiple column (9) around, and substrate (1) is movably arranged on column (9), and can slide along column (9);
Substrate (1) is provided with multiple Digitizing plate (2) corresponding with workpiece (12) upper shaft hole position, also be provided with corresponding with at least two axis holes on workpiece, for the vertical shaft device of positioning shaft hole (121) axis, a detent mechanism in described vertical shaft device, is had at least to contact with Digitizing plate (2).
2. a kind of axis hole parameter measuring apparatus according to claim 1, it is characterized in that: in described vertical shaft device, have multiple detent mechanism to contact with Digitizing plate (2), multiple detent mechanism is circumferentially arranged, the dead in line of the center of circle of multiple detent mechanism places circle and the axis hole at vertical shaft device place.
3. a kind of axis hole parameter measuring apparatus according to claim 1 and 2, is characterized in that: described detent mechanism is pressure transducer.
4. a kind of axis hole parameter measuring apparatus according to claim 1 and 2, it is characterized in that: described detent mechanism is displacement transducer, be provided with reference block (10) at the home position of multiple detent mechanism places circle, the top of described reference block (10) is lower than the top of displacement transducer.
5. a kind of axis hole parameter measuring apparatus according to claim 1, it is characterized in that: described substrate (1) is connected with one end of wire rope (103), the other end of wire rope (103) is connected with counterweight (104), and the pulley (102) being positioned at column (101) top walked around by wire rope (103).
6. a kind of axis hole parameter measuring apparatus according to claim 1, is characterized in that: described substrate (1) is provided with lifting drive (105).
7. a kind of axis hole parameter measuring apparatus according to claim 6, is characterized in that: described lifting drive is cylinder;
Or in described lifting drive (105), servomotor (1051) is connected with driving lever (1052) by gear train, driving lever (1052) is connected with the follower lever (1053) at two ends by gear train, and the two ends of follower lever (1053) are connected with a joggle by gear train and the tooth bar (1054) being installed in column (101).
8. a kind of axis hole parameter measuring apparatus according to claim 1, it is characterized in that: in described vertical shaft device, base (7) is connected with column (9), column (9) is socketed with and the axle sleeve of shaft hole matching (6), and the top of column (9) is detent mechanism.
9. a kind of axis hole parameter measuring apparatus according to claim 1, it is characterized in that: in described vertical shaft device, base (7) is connected with column (9), column (9) is socketed with and the axle sleeve of shaft hole matching (6), the top of column (9) is provided with pallet (8), pallet (8) is provided with multiple displacement transducer be uniformly distributed along the circumference, position pallet (8) being positioned at column (9) axis is provided with reference block (10), and the top of described reference block (10) is lower than the top of displacement transducer.
10. a kind of axis hole parameter measuring apparatus according to claim 1, is characterized in that: described levelling bench (13) is provided with liftable lifting deflector roll (131) and limited block (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194041.9U CN204461341U (en) | 2015-04-02 | 2015-04-02 | Axis hole parameter measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194041.9U CN204461341U (en) | 2015-04-02 | 2015-04-02 | Axis hole parameter measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204461341U true CN204461341U (en) | 2015-07-08 |
Family
ID=53668214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520194041.9U Expired - Fee Related CN204461341U (en) | 2015-04-02 | 2015-04-02 | Axis hole parameter measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204461341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764394A (en) * | 2015-04-02 | 2015-07-08 | 三峡大学 | Shaft hole parameter measuring device |
-
2015
- 2015-04-02 CN CN201520194041.9U patent/CN204461341U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764394A (en) * | 2015-04-02 | 2015-07-08 | 三峡大学 | Shaft hole parameter measuring device |
| CN104764394B (en) * | 2015-04-02 | 2017-08-25 | 三峡大学 | Axis hole parameter measuring apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102230789B (en) | Flatness measuring instrument of high-speed railway steel rail and measuring surface positioning method thereof | |
| CN110231009B (en) | Automatic detection device and method for position degree of wheel bolt hole | |
| CN109352422A (en) | A kind of multi-functional on-position measure method and device of dual-headed laser scanning | |
| CN108686982A (en) | A kind of detection device and detection method of wheel hub blank outer margin deformation amount | |
| CN208555093U (en) | A kind of detection device of wheel hub blank outer margin deformation amount | |
| CN102944190B (en) | A kind of high precision test instrument and method measuring large scale mechanical component circularity | |
| CN104764394A (en) | Shaft hole parameter measuring device | |
| CN204461341U (en) | Axis hole parameter measuring apparatus | |
| CN102320013A (en) | Accurate lifting positioning device | |
| CN111331427B (en) | Single-value measuring tool and method for attitude angle of main shaft head of machine tool | |
| CN204461386U (en) | A kind of device of Quick Measurement axis hole parameter | |
| CN202692959U (en) | Horizontal arm type three-dimensional measuring ruling machine | |
| CN209945303U (en) | Automatic detection device for position degree of wheel bolt hole | |
| EP3543641B1 (en) | Gage and method for detecting diameter of bolt hole back socket | |
| CN209887571U (en) | Accurate positioner of jar body equipment | |
| CN112344899B (en) | Method for detecting three-dimensional contour of tread of wheel set without centering | |
| CN214793010U (en) | Automobile body part pore-forming precision detection tool | |
| CN212963094U (en) | Fan blade deflection and height detection device | |
| CN104990494B (en) | The device of a kind of quick measurement axis hole parameter and measuring method | |
| CN110146014B (en) | Measuring head structure and measuring method for measuring data of inner circular hole | |
| CN210719066U (en) | Surface flatness measuring device under large-scale ring throwing machine correction disc | |
| CN209764057U (en) | Hub part parallelism measuring instrument | |
| CN109877569A (en) | Tank body precise positioning assemble method and accurate-location device and precise positioning method | |
| CN105823413B (en) | Quickly measure the device and measurement method of axis hole parameter | |
| CN202092549U (en) | Measuring instrument capable of simultaneously measuring height and parallel deviation of two retaining sides of outer ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160402 |