CN104596460A - Length measurement device and method of corrugated pipe - Google Patents
Length measurement device and method of corrugated pipe Download PDFInfo
- Publication number
- CN104596460A CN104596460A CN201410729930.0A CN201410729930A CN104596460A CN 104596460 A CN104596460 A CN 104596460A CN 201410729930 A CN201410729930 A CN 201410729930A CN 104596460 A CN104596460 A CN 104596460A
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- China
- Prior art keywords
- length
- corrugated tube
- gear
- trough
- peak structure
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/06—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
Abstract
The invention discloses a length measurement device and method of a corrugated pipe. The outer surface of the corrugated pipe comprises periodic characteristics of wave crest structures and wave trough structures. The length measurement device comprises a counting mechanism which is used for calculating the number of the wave crest structures and or the wave trough structures. According to the length measurement device and method of the corrugated pipe, the influence of the external environment on a measurement result can be avoided.
Description
Technical field
The present invention relates to corrugated pipe production equipment field, particularly relate to a kind of length-measuring appliance and method of corrugated tube.
Background technology
Corrugated tube is widely used as a kind of protective material, particularly particularly important to the protection of automotive wire bundle.When wire harness makes, because the difference of harness branch length, the corrugated tube matched with it need cut into corresponding length, therefore needs a kind of technology of Measurement accuracy Bellows Length.
At present, more to the length measurement technique of corrugated tube, such as, adopting travel switch to limit Bellows Length, when limiting length, needing adjustment stroke switch to needed length position, if length variations, then need again to align, the demand of length Automated condtrol cannot be met.For another example, adopt photoemission cell and opto-electronic receiver head to carry out the peak structure of measuring bellows, but photoemission and reception are easily subject to the impact of light, higher to environmental requirement, poor reliability, affects measurement accuracy.Again such as, what adopt the distance between the peak structure of pressure transducer measuring bellows and peak structure to be formed jolts, thus produces pressure change.The change of pressure affects comparatively large by the distance of peak structure and peak structure, and when equipment occurs all to have an impact to measurement when shaking, poor reliability, affects measurement accuracy.
Therefore wish a kind of technical scheme to overcome or at least to alleviate in the above-mentioned defect of prior art one or more.
Summary of the invention
The object of the present invention is to provide a kind of length-measuring appliance and the method that overcome or at least alleviate the one or more corrugated tube in the above-mentioned defect of prior art, its measurement result can avoid the impact of external environment.
For achieving the above object, the invention provides a kind of length-measuring appliance of corrugated tube, the outside surface of described corrugated tube has peak structure and the trough structure of cyclophysis, and described length-measuring appliance comprises the counting mechanism of the quantity for calculating described peak structure and/or described trough structure.
Further, described counting mechanism comprises gear, and it has the gear teeth corresponding with described peak structure, and described gear can rotate under the described gear teeth and described peak structure and/or described trough respective outer side edges.
Further, the center distance of the two adjacent described gear teeth is at least OC one times of two adjacent described peak structure or two adjacent described trough structures.
Further, described counting mechanism also comprises the collecting device for counting the quantity of the described gear teeth rotated.
Further, also comprise guide plate, two relatively and the described guide plate be spaced apart forms the passage just allowing described corrugated tube axially-movable simultaneously can drive described pinion rotation.
Further, also comprise and the base supported is formed to described gear and described guide plate, the described guide plate of side offers the groove of inserting described gear along the direction perpendicular to described passage, enable the described gear teeth with via the described peak structure of described passage and/or described trough respective outer side edges.
Further, be installed with the connecting link running through described base bottom described gear, the end that this connecting link passes described base is connected with the signal input part of described collecting device.
The present invention also provides a kind of length measurement method of corrugated tube, comprise: the outside surface of described corrugated tube has peak structure and the trough structure of cyclophysis, it is characterized in that, by calculating the quantity of described peak structure and/or described trough structure and obtaining the length of described corrugated tube.
Further, the computing method of the quantity of described peak structure and/or described trough structure are: utilize gear, this gear has the gear teeth corresponding with described peak structure, described gear is rotated under the described gear teeth and described peak structure and/or described trough respective outer side edges, is obtained the quantity of described peak structure and/or described trough structure by the quantity of the described gear teeth of collection rotation.
Further, the length of described corrugated tube is: N × (L
peak structure+ L
trough structure); The measurement of length error of described corrugated tube is: L
peak structure+ L
trough structure; In formula: L
peak structurefor the length of n described peak structure, L
trough structurefor the length of n described trough structure, N is the quantity of the described peak structure that obtains of described collecting device and/or described trough structure, n be more than or equal to 1 integer.
Because the cyclophysis of outside surface peak structure and trough structure that present invention utilizes corrugated tube and the length of peak structure and trough structure are fixed, therefore can by calculating the quantity of peak structure and/or trough structure, obtain the length of corrugated tube, this measurement result can avoid the impact of external environment, and reliability is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of corrugated tube to be measured;
Fig. 2 is the topology view of length-measuring appliance one embodiment of corrugated tube provided by the present invention;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the close-up schematic view in Fig. 3;
Fig. 5 is the cut-open view of Fig. 2.
Reference numeral:
| 1 | Corrugated tube | 11 | Peak structure |
| 12 | Trough structure | 2 | Counting mechanism |
| 21 | Gear | 211 | The gear teeth |
| 212 | Through hole | 213 | Groove structure |
| 3 | Collecting device | 4 | Guide plate |
| 41 | Groove | 42 | Guide plate |
| 43 | Guide plate | 44 | Guide plate |
| 5 | Passage | 6 | Base |
| 7 | Extension bar | 8 | Lug boss |
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
Shown in Fig. 1 is the corrugated tube 1 of length to be measured, and its outside surface has peak structure 11 and the trough structure 12 of cyclophysis.
Fig. 2 ~ Fig. 5 display be the structural representation of length-measuring appliance one embodiment of corrugated tube provided by the present invention.As shown in Fig. 2 ~ Fig. 5, the length-measuring appliance of the corrugated tube that the present embodiment provides comprises the counting mechanism 2 of the quantity for calculating peak structure 11 and/or trough structure 12.
The present invention can utilize the length of the outside surface peak structure 11 of corrugated tube 1 and the cyclophysis of trough structure 12 and peak structure and trough structure to fix, therefore can by calculating the quantity of peak structure 11 and/or trough structure 12, obtain the length of corrugated tube 1, this measurement result can avoid the impact of external environment, and reliability is higher.
As a kind of preferred implementation of counting mechanism 2, it can comprise gear 21, it has the gear teeth 211 corresponding with peak structure 11, some gear teeth 211 distribute along the even circumferential of the body of gear 21, and gear 21 can rotate under the gear teeth 211 coordinate with peak structure 11 and/or trough structure 12.Shown in Fig. 2 is the schematic diagram that crest mechanism 11 contacts with the gear teeth 211, herein the gear teeth 211 and peak structure 11 coordinate refer to peak structure 11 produce friction force due to the axially-movable of corrugated tube 1 between end face and the tooth top of the gear teeth 211, and can to rotate by driven gear 21.And what obviously adopt at Fig. 3 and Fig. 4 is gear 21 and the intermeshing fit system of peak structure 11, the driving force that the axially-movable along with corrugated tube 1 produces, gear 21 rotates.
In above-described embodiment, the center distance of the two adjacent gear teeth 211 is at least OC one times of two adjacent peaks structures 11 or two adjacent wave paddy structures 12.Each embodiment is all that OC a times of two adjacent peaks structures 11 is described with the center distance of the two adjacent gear teeth 211 below.
In above-described embodiment, counting mechanism 2 also comprises the collecting device 3 for counting the quantity of the gear teeth 211 rotated.Collecting device 3 can adopt Hall element, and its signal input part is fixedly connected with gear 21 by connecting link 7.Hall element is the speed probe based on hall principle, and Hall element often circles and produces the integral multiple pulse signal of gear teeth quantity of gear 21, and pulse signal is evenly generation in a rotation period.That is, if integral multiple is 1, then the pulse number produced equals the quantity of the gear teeth 211 of gear 21.
As shown in Fig. 2 ~ Fig. 5, the gear 21 shown in figure has eight gear teeth 211, then gear 21 rotates one week, and Hall element will collect eight pulse signals.During measurement, when corrugated tube 1 passes through, the rotation of gear 21 drives Hall element to rotate, and gear 21 rotates one week, and Hall element produces eight pulse signals.Calculated the number of teeth of gear 21 rotation by the pulse number measured, namely corrugated tube 1 is by the quantity of the peak structure 11 of gear 21.The quantity of pulse signal can adopt single chip computer measurement to obtain.In the present embodiment, rotate the gear teeth 211 correspondence and produce a pulse signal, in fact, also can pre-set gear teeth 211 correspondence and produce multiple (such as 2 or more) pulse signal, as long as the number of the gear teeth 211 rotated can be obtained by the gear teeth 211 and the quantity corresponding relation of pulse signal.
So, the length of corrugated tube 1 is: N × (L
peak structure+ L
trough structure); The measurement of length error of corrugated tube 1 is: L
peak structure+ L
trough structure.
In formula: L
peak structurebe the length of a peak structure 11, L
trough structurebe the length of a trough structure 12, N is the quantity of the peak structure 11 that obtains of the pulse signal collected by collecting device 3 and/or trough structure 12.
In the various embodiments described above, the length-measuring appliance of corrugated tube provided by the present invention also comprises guide plate 4, two relative to and the guide plate 4 be spaced apart formed and just allow corrugated tube 1 axially-movable simultaneously can the passage 5 that rotates of driven gear 21.Passage 5 can be rectangle or tubular etc.The object of passage 5 is to ensure that corrugated tube 1 is when by gear 21, and all peak structure 11 passed through can both match with the gear teeth 211 of gear 21.
In the various embodiments described above, the length-measuring appliance of corrugated tube provided by the present invention also comprises the base 6 gear 21 and guide plate 4 being formed to support.The guide plate 4 of side offers the groove 41 of inserting gear 21 along the direction perpendicular to passage 5, the gear teeth 211 can be coordinated with via the peak structure 11 of passage 5 and/or trough structure 12.Thus, the guide plate 4 of this side is divided into two parts by groove 41: guide plate 42 and guide plate 43.The end of the guide plate 44 at the entrance and exit place of passage 5, guide plate 42 and guide plate 43 is arranged respectively to fillet 45, is beneficial to corrugated tube 1 and moves smoothly through passage 5.
When corrugated tube 1 is by passage 5, peak structure 11 coordinates with the gear teeth 211 of gear 21, and along with the continuation of corrugated tube 1 is moved, gear 21 is subject to the thrust of peak structure 11 and rotates.After peak structure 11 passes through, a rear peak structure 11 coordinates with the next gear teeth 211 of gear 21 again, and promotes the previous gear teeth 211 and rotate, and so circulates.
In order to install collecting device 3, the bottom of gear 21 is installed with the connecting link 7 running through base 6, and the end that this connecting link 7 passes base 6 is connected with the signal input part of collecting device 3.Particularly, connecting link 7 and gear 21 link are provided with lug boss 8, and its effect is similar to bearing pin.Correspondingly, the center of gear 21 offers through hole 212, at the sidewall of through hole 212, the radial direction of gear 21 is provided with the groove structure 213 coordinated with lug boss 8, thus realizes being fixedly connected with between connecting link 7 with gear 21.
The present invention also provides a kind of length measurement method of corrugated tube, comprising: obtain the length of corrugated tube 1 by calculating the quantity of peak structure 11 and/or trough structure 12.
In said method, the computing method of the quantity of peak structure 11 and/or trough structure 12 are: utilize gear 21, this gear 21 has the gear teeth 211 corresponding with peak structure 11, gear 21 is rotated under the gear teeth 211 coordinate with peak structure 11 and/or trough structure 12, is obtained the quantity of peak structure 11 and/or trough structure 12 by the quantity of the gear teeth 211 of collection rotation.
In above-mentioned each method, the length of corrugated tube 1 is: N × (L
peak structure+ L
trough structure); The measurement of length error of corrugated tube 1 is: L
peak structure+ L
trough structure; In formula: L
peak structurebe the length of a peak structure 11, L
trough structurebe the length of a trough structure 12, N is the peak structure 11 of collecting device 3 acquisition and/or the quantity of trough structure 12.
Certainly, OC one times of measure equation drawn for example of above-mentioned formula to be the center distance of the corresponding two adjacent gear teeth 211 be two adjacent peaks structures 11.If the center distance of the two adjacent gear teeth 211 be the OC n of two adjacent peaks structures 11 doubly, n is greater than and equals 2, now, a pulse signal by a corresponding n peak structure 11 and trough structure 12, the L in above-mentioned formula
peak structurefor the length of n peak structure 11, L trough structure is the length of n trough structure 12.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the length-measuring appliance of a corrugated tube, the outside surface of described corrugated tube (1) has peak structure (11) and the trough structure (12) of cyclophysis, it is characterized in that, described length-measuring appliance comprises the counting mechanism (2) of the quantity for calculating described peak structure (11) and/or described trough structure (12).
2. the length-measuring appliance of corrugated tube as claimed in claim 1, it is characterized in that, described counting mechanism (2) comprises gear (21), it has the gear teeth (211) corresponding with described peak structure (11), and described gear (21) can coordinate lower rotation at the described gear teeth (211) with described peak structure (11) and/or described trough structure (12).
3. the length-measuring appliance of corrugated tube as claimed in claim 2, it is characterized in that, the center distance of the two adjacent described gear teeth (211) is at least OC one times of two adjacent described peak structure (11) or two adjacent described trough structures (12).
4. the length-measuring appliance of corrugated tube as claimed in claim 2 or claim 3, is characterized in that, described counting mechanism (2) also comprises the collecting device (3) for counting the quantity of the described gear teeth (211) rotated.
5. the length-measuring appliance of corrugated tube as claimed in claim 4, it is characterized in that, also comprise guide plate (4), two relative to and the described guide plate (4) be spaced apart forms the passage (5) just allowing described corrugated tube (1) axially-movable simultaneously described gear (21) can be driven to rotate.
6. the length-measuring appliance of corrugated tube as claimed in claim 5, it is characterized in that, also comprise and the base (6) supported is formed to described gear (21) and described guide plate (4), the described guide plate (4) of side offers the groove (41) of inserting described gear (21) along the direction perpendicular to described passage (5), and the described gear teeth (211) can be coordinated with via the described peak structure (11) of described passage (5) and/or described trough structure (12).
7. the length-measuring appliance of corrugated tube as claimed in claim 6, it is characterized in that, described gear (21) bottom is installed with the connecting link (7) running through described base (6), and the end that this connecting link (7) passes described base (6) is connected with the signal input part of described collecting device (3).
8. the length measurement method of a corrugated tube, comprise: the outside surface of described corrugated tube (1) has peak structure (11) and the trough structure (12) of cyclophysis, it is characterized in that, by calculating the quantity of described peak structure (11) and/or described trough structure (12) and obtaining the length of described corrugated tube (1).
9. the length measurement method of corrugated tube as claimed in claim 8, it is characterized in that, the computing method of the quantity of described peak structure (11) and/or described trough structure (12) are: utilize gear (21), this gear (21) has the gear teeth (211) corresponding with described peak structure (11), described gear (21) is made to coordinate lower rotation at the described gear teeth (211) with described peak structure (11) and/or described trough structure (12), the quantity of described peak structure (11) and/or described trough structure (12) is obtained by the quantity of the described gear teeth (211) of collection rotation.
10. the length measurement method of corrugated tube as claimed in claim 8, it is characterized in that, the length of described corrugated tube (1) is: N × (L
peak structure+ L
trough structure); The measurement of length error of described corrugated tube (1) is: L
peak structure+ L
trough structure; In formula: L
peak structurefor the length of n described peak structure (11), L
trough structurefor the length of n described trough structure (12), N is the quantity of the described peak structure (11) that obtains of described collecting device (3) and/or described trough structure (12), n be more than or equal to 1 integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729930.0A CN104596460A (en) | 2014-12-04 | 2014-12-04 | Length measurement device and method of corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729930.0A CN104596460A (en) | 2014-12-04 | 2014-12-04 | Length measurement device and method of corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104596460A true CN104596460A (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410729930.0A Pending CN104596460A (en) | 2014-12-04 | 2014-12-04 | Length measurement device and method of corrugated pipe |
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| Country | Link |
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| CN (1) | CN104596460A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403157A (en) * | 2015-12-03 | 2016-03-16 | 国家电网公司 | Corrugated pipe assembly |
| CN105856316A (en) * | 2016-06-21 | 2016-08-17 | 鹤山联塑实业发展有限公司 | Waveform length measuring device for bellows |
| CN108656198A (en) * | 2018-06-06 | 2018-10-16 | 苏州惠斯福自动化科技有限公司 | A kind of method of conveying mechanism and the wave crest cutting of bellows |
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| CN108656198A (en) * | 2018-06-06 | 2018-10-16 | 苏州惠斯福自动化科技有限公司 | A kind of method of conveying mechanism and the wave crest cutting of bellows |
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Application publication date: 20150506 |