CN209085550U - Large-diameter workpiece measuring instrument - Google Patents
Large-diameter workpiece measuring instrument Download PDFInfo
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- CN209085550U CN209085550U CN201822234815.2U CN201822234815U CN209085550U CN 209085550 U CN209085550 U CN 209085550U CN 201822234815 U CN201822234815 U CN 201822234815U CN 209085550 U CN209085550 U CN 209085550U
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- measuring instrument
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Abstract
The utility model discloses large-diameter workpiece measuring instruments, including bracket, the top rangefinder in portion on the bracket is set, and the bottom rangefinder of the bracket lower part is set, the top rangefinder includes transmission mechanism, and the top lasers transmitter and top lasers receiver that are arranged on the transmission mechanism；The transmission mechanism includes the shaft for being fixed at the cradle top, the drive sprocket for being separately positioned on the shaft two sides, and it is arranged in bracket lower part driven sprocket corresponding with the drive sprocket, conveyer belt is equipped on the drive sprocket and driven sprocket, it is equipped with sliding block on the side of the conveyer belt, the groove of installation top lasers transmitter or top lasers receiver is respectively provided in the sliding block.The utility model can be used for that the measurement of different dimension workpieces, easy to adjust, measurement accuracy is high.
Description
Technical field
The utility model relates to non-contact detection technical fields, and in particular to large-diameter workpiece measuring instrument.
Background technique
Large scale equipment is dispersed with each type component, the installation dimension and the size after working loss of components, to safety
Production has great significance.Therefore, the real-time measurement of large scale equipment component of machine is very necessary.These measurement operations are general
All over being all to be measured using tape measure to target point by being accomplished manually, measurement data record is got off again after measurement, and permit
Perhaps measurement range value is compared.The problem is that manual measurement error is larger, reliability is low, and manual measurement records
Time-consuming.Now with the universal of mechanization, the measurement of workpiece also starts to measure using instrument.
Caliper can be used to the diameter information of the various stockings of on-line measurement, can be straight with on-line measurement maximum gauge, minimum
Diameter, average diameter, ovality etc., caliper can extremely be divided into greatly laser scanning caliper, CCD projection calliper, and laser diffraction is surveyed
Diameter instrument, wherein the above two all belong to optical geometrical principle, and the latter is to utilize laser light diffraction principle.Caliper is widely used in electric wire
Cable, enameled wire, wire, in the various industries such as pvc pipe.Existing caliper is partial to small size workpiece diameter in the market
Measurement, and fixed-size workpiece can only be measured, inconvenient to use when being measured for different dimension workpieces, detection effect
Rate is low；Detection device positioned at two sides is unable to synchronizing moving, it is easy to cause measurement error.
Utility model content
In view of this, the purpose of this utility model is that in view of the deficiencies of the prior art, providing one kind can be used for difference directly
The measurement of diameter dimension workpiece, the large-diameter workpiece measuring instrument that highly reliable, measurement accuracy is high, easy to maintenance.
In order to achieve the above objectives, the utility model uses following technical scheme:
The top rangefinder in portion on the bracket is arranged in large-diameter workpiece measuring instrument, including bracket, and setting exists
The bottom rangefinder of the bracket lower part, the top rangefinder includes transmission mechanism, and is arranged on the transmission mechanism
Top lasers transmitter and top lasers receiver；
The transmission mechanism include the shaft that the cradle top is fixed at by bearing block, be separately positioned on it is described
The drive sprocket of shaft two sides, and be arranged in bracket lower part driven sprocket corresponding with the drive sprocket, in institute
It states drive sprocket and driven sprocket is equipped with conveyer belt, sliding block is equipped on the side of the conveyer belt, is divided in the sliding block
It She You not be for installing the groove of top lasers transmitter or top lasers receiver；The top lasers transmitter and top are swashed
Optical receiver is arranged along carriage center axisymmetrical, and is located at sustained height, is directed to workpiece for measurement；Two conveyer belts it
Between constitute channel for placing workpiece for measurement；One end of the shaft is connected with the output end of motor；
The bottom rangefinder includes bottom laser emitter and the bottom for being respectively fixedly disposed at the frame bottom two sides
Portion's laser pickoff, the bottom laser emitter and bottom laser pickoff be located at two driven sprockets just under
Side.
Feature in view of the above technology, motor drive shaft rotation, and shaft drives the drive sprocket rotation of two sides, to drive
Conveyer belt rotation adjusts the position height of laser emitter and laser pickoff by the rotation of conveyer belt, various to meet
The needs of the workpiece for measurement of different height；It can guarantee that laser emitter and laser pickoff are always positioned at sustained height, it is ensured that
The accuracy of measurement；For the workpiece for measurement of different in width, can be placed by adjusting the installation site of drive sprocket to adjust
The width in workpiece for measurement channel.
Preferably, the transmission mechanism includes the shaft for being fixed at the cradle top by bearing block, sets respectively
Set the drive bevel gear in the shaft two sides, be engaged with driven wheel of differential below the drive bevel gear, it is described from
Screw rod is sequentially connected with below dynamic bevel gear, the lower end of the screw rod is rotatablely installed on the bracket, on the screw rod
It is installed with sliding block, the channel for placing workpiece for measurement is constituted between two screw rods.By drive bevel gear and from mantle
The rotation of screw rod is realized in intermeshing between gear, and the mutual spinning of screw thread inside screw thread and sliding block outside screw rod is one
It rises, screw rod rotation, sliding block is moved up and down along screw rod, to realize the synchronizing moving of laser emitter and laser pickoff.
Preferably, the conveyer belt and screw rod are vertically arranged.Increase the accuracy of measurement.
Preferably, at least one support frame for being used to fix workpiece for measurement is equipped in the channel, support frame as described above is in
U-typed or " V " type.Play the role of more preferably fixing workpiece for measurement, a support frame can be used for small size workpiece for measurement,
Support frame can be respectively set at the both ends of workpiece for measurement and middle part respectively for large scale.
Preferably, at least one lifting device is equipped in the lower section of support frame as described above.Lifting device is used to adjust work to be measured
The height of part increases the measurement numerical value of the accuracy rate of measurement, especially lower end to meet the workpiece for measurement of different height.
Preferably, the lifting device includes pedestal, hoistable platform and is arranged between the pedestal and hoistable platform
Scissors mechanism is equipped with hydraulic cylinder in the hinged place of the scissors mechanism, for controlling the high and low position of hoistable platform；In the liter
Drop platform is fixedly arranged above support frame.For heavier workpiece for measurement, the device stability is stronger, and flatness is high.
Preferably, the lifting device include hoistable platform and be vertically set below the hoistable platform at least one
Hydraulic cylinder.It can be used for lighter workpiece for measurement, structure is simple, easy to operate.
Preferably, the universal wheel mobile for lifting device is equipped in the lower section of the pedestal.Convenient for the shifting of workpiece for measurement
Dynamic and transfer, saves labour.
The beneficial effects of the utility model are:
Workpiece for measurement can adjust oneself height by lifting device in the utility model, by universal wheel to work to be measured
Part is moved, the stability of workpiece for measurement is strong, measurement numerical value detection accuracy is high, laser emitter and laser pickoff can be with
It realizes synchronizing moving, keeps measurement error small, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the main view of the utility model；
Fig. 3 is the structural schematic diagram of transmission mechanism in an embodiment；
Fig. 4 is the structural schematic diagram of transmission mechanism in another embodiment；
Fig. 5 is the scheme of installation of conveyer belt and sliding block；
Fig. 6 is the structural schematic diagram of hoistable platform in an embodiment；
Fig. 7 is the structural schematic diagram of hoistable platform in another embodiment；
Fig. 8 is a kind of structural schematic diagram of support frame；
Fig. 9 is another structural schematic diagram of support frame.
In figure: 1 bracket, 2 bottom laser emitters, 3 top lasers transmitters, 4 motors, 5 shafts, 6 top lasers receive
Device, 7 workpieces for measurement, 8 bottom laser pickoffs, 9 sliding blocks, 10 drive sprockets, 11 conveyer belts, 12 driven sprockets, 13 screw rods, 14 liters
Platform, 15 hydraulic cylinders, 16 pedestals, 17 drive bevel gears, 18 driven wheel of differential drop.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
As illustrated in fig. 1 and 2, large-diameter workpiece measuring instrument, including bracket 1, the top that 1 top of bracket is arranged in are surveyed
Distance meter, and the bottom rangefinder of 1 lower part of bracket is set, the top rangefinder includes transmission mechanism, and setting
Top lasers transmitter 3 and top lasers receiver 6 on the transmission mechanism；
As shown in Figures 3 and 5, the transmission mechanism includes the shaft that 1 top of bracket is fixed at by bearing block
5, the drive sprocket 10 of 5 two sides of shaft is set, and is arranged opposite in 1 lower part of bracket and the drive sprocket 10
The driven sprocket 12 answered, is equipped with conveyer belt 11 on the drive sprocket 10 and driven sprocket 12, and conveyer belt 11 is vertically arranged；?
The side of the conveyer belt 11 be equipped with sliding block 9, be respectively provided in the sliding block 9 installation top lasers transmitter 3 or
The groove of top lasers receiver 6；The top lasers transmitter 3 and top lasers receiver 6 are symmetrical along 1 central axis of bracket
Setting, and it is located at sustained height, it is directed to workpiece for measurement 7；It constitutes between two conveyer belts 11 for placing workpiece for measurement 7
Channel；One end of the shaft 5 is connected with the output end of motor 4；
The bottom rangefinder includes 2 He of bottom laser emitter for being respectively fixedly disposed at 1 two sides of the bottom of bracket
Bottom laser pickoff 8, the bottom laser emitter 2 and bottom laser pickoff 8 are located at two driven sprockets
12 underface.
At least one support frame for being used to fix workpiece for measurement 7 is equipped in the channel.As shown in FIG. 8 and 9, the branch
Support is in U-typed or " V " type；The quantity of support frame is selected according to the size of specific workpiece for measurement 7.
At least one lifting device is equipped in the lower section of support frame as described above.
As shown in fig. 7, can choose the lifting device of following structures for large scale, heavy weight workpiece for measurement 7, it is described
Lifting device include pedestal 16, hoistable platform 14 and be arranged in the pedestal 16 and hoistable platform 14 for undertaking support frame it
Between scissors mechanism, the hinged place of the scissors mechanism be equipped with hydraulic cylinder 15, for controlling the high and low position of hoistable platform 14.
The universal wheel mobile for lifting device is equipped in the lower section of the pedestal 16.
As shown in fig. 6, can choose the lifting device of following structures for small size, light-weight workpiece for measurement 7, it is described
Lifting device includes hoistable platform 14 and at least one hydraulic cylinder 15 for being vertically set on 14 lower section of hoistable platform.
Embodiment 2
As shown in figs. 1 and 4, large-diameter workpiece measuring instrument, compared with Example 1, the difference is that transmission mechanism knot
The difference of structure, the transmission mechanism in the present embodiment include the shaft 5 that 1 top of bracket is fixed at by bearing block, point
The drive bevel gear 17 of 5 two sides of shaft is not set, is engaged with driven wheel of differential in the lower section of the drive bevel gear 17
18, it is sequentially connected with screw rod 13 in the lower section of the driven wheel of differential 18, the lower end of the screw rod 13 is rotatably installed in the branch
On frame 1, it is installed with sliding block 9 on the screw rod 13, installation top lasers transmitter 3 is respectively provided in the sliding block 9
Or the groove of top lasers receiver 6；The top lasers transmitter 3 and top lasers receiver 6 are along 1 central axis pair of bracket
Claim setting, and be located at sustained height, is directed to workpiece for measurement 7；It constitutes between two screw rods 13 for placing workpiece for measurement 7
Channel.
The application method of the utility model: workpiece for measurement 7 is placed on the support frame, lifting device is adjusted, makes work to be measured
7 bottom of part is located at the top of bottom laser emitter 2 and bottom laser pickoff 8, to ensure what bottom laser emitter 2 emitted
Laser can shine the bottom of workpiece for measurement 7；The laser that the rotation of motor 4 emits top lasers transmitter 3 shines to be measured
Subject to the top of workpiece 7, then motor 4 stops operating, and top and bottom laser emitter 2 emits laser, and top and bottom are swashed
Optical receiver 8 exports the signal received, is calculated by external control element transmitting data and reception data, is obtained
The diameter parameters of workpiece for measurement 7.
Related equipment component is conventional equipment element unless otherwise instructed in the embodiment above, related
Structure setting mode, working method or control mode are set-up mode, the working method of this field routine unless otherwise instructed
Or control mode.
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, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (8)
1. large-diameter workpiece measuring instrument, including bracket are arranged the top rangefinder in portion on the bracket, and are arranged in institute
State the bottom rangefinder of bracket lower part, which is characterized in that the top rangefinder includes transmission mechanism, and is arranged in the biography
Top lasers transmitter and top lasers receiver on motivation structure；
The transmission mechanism includes the shaft for being fixed at the cradle top by bearing block, is separately positioned on the shaft
The drive sprocket of two sides, and be arranged in bracket lower part driven sprocket corresponding with the drive sprocket, in the master
Movable sprocket and driven sprocket are equipped with conveyer belt, and sliding block is equipped on the side of the conveyer belt, is set respectively in the sliding block
There is the groove for installing top lasers transmitter or top lasers receiver；The top lasers transmitter and top lasers connect
It receives device to be arranged along carriage center axisymmetrical, and is located at sustained height, be directed to workpiece for measurement；Structure between two conveyer belts
At the channel for placing workpiece for measurement；One end of the shaft is connected with the output end of motor；
The bottom rangefinder includes that the bottom laser emitter for being respectively fixedly disposed at the frame bottom two sides and bottom are swashed
Optical receiver, the bottom laser emitter and bottom laser pickoff are located at the underface of two driven sprockets.
2. large-diameter workpiece measuring instrument according to claim 1, which is characterized in that the transmission mechanism includes passing through axis
The drive bevel gear that seat is fixed at the shaft of the cradle top, is separately positioned on the shaft two sides is held, in the master
It is engaged with driven wheel of differential below dynamic bevel gear, screw rod, the screw rod are sequentially connected with below the driven wheel of differential
Lower end rotational installation on the bracket, be installed with sliding block on the screw rod, constitute between two screw rods for putting
Set the channel of workpiece for measurement.
3. large-diameter workpiece measuring instrument according to claim 1 or 2, which is characterized in that the conveyer belt and screw rod are perpendicular
Straight setting.
4. large-diameter workpiece measuring instrument according to claim 1, which is characterized in that be equipped at least one in the channel
A support frame for being used to fix workpiece for measurement, support frame as described above are in U-typed or " V " type.
5. large-diameter workpiece measuring instrument according to claim 4, which is characterized in that be equipped in the lower section of support frame as described above
At least one lifting device.
6. large-diameter workpiece measuring instrument according to claim 5, which is characterized in that the lifting device include pedestal,
Hoistable platform and the scissors mechanism being arranged between the pedestal and hoistable platform are equipped with liquid in the hinged place of the scissors mechanism
Cylinder pressure, for controlling the high and low position of hoistable platform；Support frame is fixedly arranged above in the hoistable platform.
7. large-diameter workpiece measuring instrument according to claim 5, which is characterized in that the lifting device includes that lifting is flat
Platform and at least one hydraulic cylinder being vertically set below the hoistable platform.
8. large-diameter workpiece measuring instrument according to claim 6, which is characterized in that be equipped with and use in the lower section of the pedestal
In the mobile universal wheel of lifting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234815.2U CN209085550U (en) | 2018-12-28 | 2018-12-28 | Large-diameter workpiece measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234815.2U CN209085550U (en) | 2018-12-28 | 2018-12-28 | Large-diameter workpiece measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209085550U true CN209085550U (en) | 2019-07-09 |
Family
ID=67127598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822234815.2U Active CN209085550U (en) | 2018-12-28 | 2018-12-28 | Large-diameter workpiece measuring instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN209085550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440706A (en) * | 2019-07-24 | 2019-11-12 | 天津大学 | Device and its application method based on the Linear Laser measurement winch drum wiring number of plies |
| CN112595248A (en) * | 2020-12-23 | 2021-04-02 | 莱芜环球汽车零部件有限公司 | Automobile crankshaft journal precision measuring equipment |
-
2018
- 2018-12-28 CN CN201822234815.2U patent/CN209085550U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440706A (en) * | 2019-07-24 | 2019-11-12 | 天津大学 | Device and its application method based on the Linear Laser measurement winch drum wiring number of plies |
| CN112595248A (en) * | 2020-12-23 | 2021-04-02 | 莱芜环球汽车零部件有限公司 | Automobile crankshaft journal precision measuring equipment |
| CN112595248B (en) * | 2020-12-23 | 2022-07-08 | 莱芜环球汽车零部件有限公司 | Automobile crankshaft journal precision measuring equipment |
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