CN204042319U - The telescopic automatic traveling mechanism of fixed step size - Google Patents
The telescopic automatic traveling mechanism of fixed step size Download PDFInfo
- Publication number
- CN204042319U CN204042319U CN201420226549.8U CN201420226549U CN204042319U CN 204042319 U CN204042319 U CN 204042319U CN 201420226549 U CN201420226549 U CN 201420226549U CN 204042319 U CN204042319 U CN 204042319U
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- push rod
- step size
- fixed
- automatic traveling
- traveling mechanism
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Abstract
The utility model discloses the telescopic automatic traveling mechanism of a kind of fixed step size, belong to automatic walking technology field, particularly the telescopic automatic walking technology of inner-walls of duct detection fixed step size.The telescopic automatic traveling mechanism of this fixed step size adopts the front case rear case composition with elastic support structure and locking mechanism, and front case and rear case are linked together by screw rod motor, swivel nut and guide pillar; During advance, front case locking mechanism unclamps, rear case locking mechanism is locked, and screw rod motor rotates, and promotes front case part and advances, after arriving the distance of regulation, front case locking mechanism is locked, and rear case locking mechanism unclamps, and screw rod motor rotates, back housing portion is advanced, and so just completes a walking circulation.The utility model has good maintenance and interchangeability, can be good at automatic walking, each travel distance high conformity, and automaticity is high, positioning precision good, and reliability is high; Save time simultaneously, laborsaving, less manpower, ensure that photoelectric device testing pipes inner wall surface quality is accurately, comprehensively.
Description
Technical field
The utility model belongs to automatic walking technology field, relates to automatic walking technology, particularly the telescopic automatic walking technology of inner-walls of duct detection fixed step size.
Background technique
Inner-walls of duct detection is an important content in pipe-line maintenance, servicing operations, is related to pipeline use safety.Because inner-walls of duct bore is little, barrel is long, be difficult to observe inner-walls of duct when overhauling, corresponding detection means is lacked to the defect of inwall.Current pipe production maintenance, detection use detection facility to be that special optics peeps thorax mirror, need with push rod optics to be peeped in thorax mirror pushing pipe to observe in testing pipes inside, along with the lengthening detecting the degree of depth, a lot of joint push rod is needed to couple together use, time-consuming, effort, need multiple person cooperative work just can complete, and positioning precision is low, it is comprehensive to observe, not being well positioned to meet inner-walls of duct detection needs.
Summary of the invention
The utility model overcomes the deficiency of above-mentioned walking, provides a kind of fixed step size telescopic automatic traveling mechanism, is specially adapted to the walking in the pipes such as bore is little, pipeline length, inner wall smooth.
For achieving the above object, the technical program is as follows:
The telescopic automatic traveling mechanism of a kind of fixed step size, comprise front case and rear case, motor is provided with in described front case, the output terminal of motor is connected with screw rod, rear case is fixed with swivel nut, described screw rod stretches out front case and coordinates with swivel nut, is respectively equipped with the locking mechanism between respective housing and tube wall in front and rear housings.
Further, described automatic traveling mechanism also comprises the elastic supporting mechanism be separately positioned in front case and rear case.
Further, described elastic supporting mechanism comprises fixed plate and mobile plate, wherein fixed plate is fixed in corresponding housing, mobile plate is set on fixed plate, both can slide mutually, and fixed plate is hinged with strut of drawing money on credit, and the other end of strut of drawing money on credit stretches out housing and touches and correspondingly with tube wall to touch, hinged one end being provided with little strut on mobile plate, the other end of little strut is hinged on draws money on credit on strut; Elastic device is provided with between mobile plate and fixed plate.
Further, strut of drawing money on credit described in stretches out that the head of one end of housing is hinged is provided with roller.
Further, described locking mechanism comprises the locking motor and its cam driven that are positioned at corresponding housing, and has at least one push rod with cam engagement, and housing is provided with for the push rod flexible through hole corresponding with push rod; Driven by motor cam rotates, and cam is push rod outward, push rod is overhanging contact with tube wall locked; Motor reversal cam driven push rod reclaims, and push rod and tube wall depart from and unlock; Push rod end is provided with guiding device.
Further, described push rod is provided with resetting means.
Further, described resetting means is torsion spring; Described torsion spring is fixed between guide pin bushing and push rod.
Further, the lower end of described push rod, be provided with roller between push rod and cam, described roller is fixed on the lower end of push rod by bearing pin.
Further, described push rod is provided with three, and the exterior edge face of each push rod is stained with rubber pad, and three push rods are evenly arranged with housing axle center; Cam is provided with the projection that three push rods are corresponding therewith.
Further, described guiding device comprise be located at push rod away from the guide pin bushing outside the end of cam, guide pin bushing is fixed on housing.
Working principle of the present utility model and working procedure as follows:
The telescopic automatic traveling mechanism of this fixed step size mainly comprises forward and backward housing, and front case and rear case are linked together by screw rod motor, swivel nut; During advance, front case locking mechanism unclamps, and rear case locking mechanism is locked, screw rod motor rotates, and promotes front case part and advances, after arriving the distance of regulation, front case locking mechanism is locked, rear case locking mechanism unclamps, and screw rod motor rotates, and back housing portion is advanced, so just complete a walking circulation, then enter next walking circulation, go round and begin again, until detect complete pipeline.
Described traveller also includes elastic supporting mechanism, and this elastic supporting mechanism can well coordinate with locking framework, and between there is no and influence each other, on the other hand, housing is propped up by elastic supporting mechanism, reduces the frictional force between tube wall and housing, makes advance more smooth and easy.
This elastic mechanism comprises fixed plate and mobile plate, can mutually slide and be provided with elastic mechanism between the two, makes the strut of drawing money on credit on fixed plate have individual elastic contact force with tube wall always, satisfy the demand by elastic structure.
Be provided with roller in the end of strut of drawing money on credit, change kinetic friction into by static friction like this, reduce further frictional force, thus reach the free object easily of walking.
Interlocking type positioning means mainly comprises locking motor, locking driven by motor has cam, push rod is had with cam engagement, when being with motivation to drive cam to rotate, cam is push rod outward, push rod contacts with inner-walls of duct and clamps the object reaching locking, motor reversal, and push rod reclaims thus makes it principle inner-walls of duct and reach the object of unblock.
Push rod is provided with resetting means, and like this, when needs unlock, after cam reversion, push rod is return under the effect of the restoring force of resetting means.
Be provided with roller between push rod and cam, roller is fixed on the lower end of push rod by bearing pin, when such cam rotates, changes static friction into rolling friction, reduces wear on the one hand, increases the smoothness run on the other hand.
Described push rod is provided with three, evenly arranges, and like this, whole picture pick-up device will have three points at inner-walls of duct and can carry out contacting and locked by inner-walls of duct, locking better effects if.
To sum up, the telescopic automatic traveling mechanism of the utility model fixed step size, is connected by screw between each component part, there is good maintenance and interchangeability, can be good at automatic walking, each travel distance high conformity, automaticity is high, positioning precision is high, and reliability is high; Save time simultaneously, laborsaving, less manpower, ensure that photoelectric device testing pipes inner wall surface quality is accurately, comprehensively.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings;
The telescopic automatic traveling mechanism structural representation of Fig. 1 the utility model fixed step size;
Fig. 2 is locking device schematic diagram;
Fig. 3 is cam structure schematic diagram;
Wherein: 2-locking mechanism, 3-front case, 4-rear case, 5-screw rod motor, 6-screw rod, 7-swivel nut, 8-spring, 10-fixed plate, 11-guide pillar, 12-guide pin bushing, the movable trigger of 13-, 14-draws money on credit strut, the little strut of 15-, 16-roller, 17-straight pin; 22-motor fixing plate, 23-stepper motor, 24-stepper motor driver, 25-cam, 26-screw, 27-rubber pad, 28-guide pin bushing, 29-torsion spring, 210-push rod, 211-straight pin, 212-roller.
Embodiment
The correlation technique content do not addressed below all can adopt or use for reference prior art.
Technological scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
As shown in Figure 1, the telescopic automatic traveling mechanism of a kind of fixed step size, comprise front case 3 and rear case 4, screw rod motor 5 is provided with in described front case 3, the output terminal of screw rod motor 5 is connected with screw rod 6, rear case 4 is fixed with swivel nut 7, described screw rod 6 stretches out front case 3 and coordinates with swivel nut 7, is respectively equipped with the locking mechanism 2 between respective housing and tube wall in front and rear housings.
Described automatic traveling mechanism also comprises the elastic supporting mechanism be separately positioned in front case 3 and rear case 4: comprise fixed plate 10 and mobile plate 13, wherein fixed plate 10 is fixed in corresponding housing, front shoe is fixed in front case, rear fixed plate is fixed in rear case, mobile plate 13 is set on fixed plate 10 by the guide pin bushing 12 that coordinates and guide pillar 11, both can slide mutually, fixed plate 10 is hinged with strut 14 of drawing money on credit, the other end of strut 14 of drawing money on credit stretches out housing and touches and correspondingly with tube wall to touch, hinged one end being provided with little strut 15 on mobile plate 13, the other end of little strut 15 is hinged on draws money on credit on strut 14.
For ensureing to be provided with elastic device, such as spring 8 between mobile plate 13 and fixed plate 10.
The head that strut 14 of drawing money on credit stretches out one end of housing is provided with roller 16 by straight pin 17 is hinged.
Locking mechanism 2, shown in Fig. 2, comprise the motor fixing plate 22 being positioned at respective housing and being provided with by screw, motor fixing plate 22 is fixed with motor, the present embodiment adopts the form of stepper motor 23, stepper motor 23 is driven by stepper motor driver 4, and the output terminal of stepper motor 23 drives cam 25, is combined with at least one push rod 210 with the cylindrical of cam 25.
In the present embodiment, the quantity of preferred push rod is three, and three push rods 210 are uniformly distributed along the axle center of housing cam 25, spaced 120 °, correspondingly with three push rods on the cylindrical of such cam 25 is provided with three projections, as shown in Figure 3.
The outer end of each push rod 210, one end outer cover namely away from cam 25 is provided with guide pin bushing 28, and guide pin bushing 28 is fixed on housing, push rod 210 be stained with rubber pad 27 in exterior edge face.
The inner of push rod 210, is namely provided with roller 212 by bearing pin 211 bottom one end of cam 25, and the outer circumferential face of roller 212 contacts with the periphery of cam 25 and coordinates.
For ensureing that push rod 210 can normal return, between push rod 210 and guide pin bushing 28, be provided with torsion spring 29.
During the locking of this interlocking type positioning means, stepper motor 23 is with moving cam 25 to rotate forward, and three push rods 210 stretch out simultaneously, withstand on the inwall of pipeline, thus realizes interlocking type location; During unblock, stepper motor 3 is with moving cam 25 to rotate backward, and three push rods 210 are retracted under the effect of torsion spring 29 simultaneously, realizes unlocking.
This interlocking type positioning means, positioning precision is high, and shock-resistant, vibration, has good maintenance and interchangeability, good reliability.
During advance, front case locking mechanism unclamps, and rear case locking mechanism is locked, screw rod motor rotates, and promotes front case part and advances, after arriving the distance of regulation, front case locking mechanism is locked, rear case locking mechanism unclamps, and screw rod motor rotates, and back housing portion is advanced, so just complete a walking circulation, then enter next walking circulation, go round and begin again, until detect complete pipeline.
The above is only the preferred implementation of the application, those skilled in the art is understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the telescopic automatic traveling mechanism of fixed step size, comprise front case and rear case, it is characterized in that: in described front case, be provided with motor, the output terminal of motor is connected with screw rod, rear case is fixed with swivel nut, described screw rod stretches out front case and coordinates with swivel nut, is respectively equipped with the locking mechanism between respective housing and tube wall in front and rear housings.
2. the telescopic automatic traveling mechanism of fixed step size according to claim 1, is characterized in that: described automatic traveling mechanism also comprises the elastic supporting mechanism be separately positioned in front case and rear case.
3. the telescopic automatic traveling mechanism of fixed step size according to claim 2, it is characterized in that: described elastic supporting mechanism comprises fixed plate and mobile plate, wherein fixed plate is fixed in corresponding housing, mobile plate is set on fixed plate, both can slide mutually, and fixed plate is hinged with strut of drawing money on credit, and the other end of strut of drawing money on credit stretches out housing and touches and correspondingly with tube wall to touch, hinged one end being provided with little strut on mobile plate, the other end of little strut is hinged on draws money on credit on strut; Elastic device is provided with between mobile plate and fixed plate.
4. the telescopic automatic traveling mechanism of fixed step size according to claim 3, is characterized in that: described in strut of drawing money on credit stretch out that the head of one end of housing is hinged is provided with roller.
5. the telescopic automatic traveling mechanism of fixed step size according to claim 1, it is characterized in that: described locking mechanism comprises the locking motor and its cam driven that are positioned at corresponding housing, have at least one push rod with cam engagement, housing is provided with for the push rod flexible through hole corresponding with push rod; Driven by motor cam rotates, and cam is push rod outward, push rod is overhanging contact with tube wall locked; Motor reversal cam driven push rod reclaims, and push rod and tube wall depart from and unlock; Push rod end is provided with guiding device.
6. the telescopic automatic traveling mechanism of fixed step size according to claim 5, is characterized in that: described push rod is provided with resetting means.
7. the telescopic automatic traveling mechanism of fixed step size according to claim 6, is characterized in that: described resetting means is torsion spring; Described torsion spring is fixed between guide pin bushing and push rod.
8. the telescopic automatic traveling mechanism of fixed step size according to claim 5, is characterized in that: the lower end of described push rod, be provided with roller between push rod and cam, and described roller is fixed on the lower end of push rod by bearing pin.
9. the telescopic automatic traveling mechanism of the fixed step size according to claim 5 or 8, is characterized in that: described push rod is provided with three, and the exterior edge face of each push rod is stained with rubber pad, and three push rods are evenly arranged with housing axle center; Cam is provided with the projection that three push rods are corresponding therewith.
10. the telescopic automatic traveling mechanism of fixed step size according to claim 5, is characterized in that: described guiding device comprise be located at push rod away from the guide pin bushing outside the end of cam, guide pin bushing is fixed on housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226549.8U CN204042319U (en) | 2013-12-30 | 2014-05-06 | The telescopic automatic traveling mechanism of fixed step size |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874464 | 2013-12-30 | ||
| CN201320874464.6 | 2013-12-30 | ||
| CN201420226549.8U CN204042319U (en) | 2013-12-30 | 2014-05-06 | The telescopic automatic traveling mechanism of fixed step size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204042319U true CN204042319U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420226549.8U Expired - Fee Related CN204042319U (en) | 2013-12-30 | 2014-05-06 | The telescopic automatic traveling mechanism of fixed step size |
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| CN (1) | CN204042319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165257A (en) * | 2013-12-30 | 2014-11-26 | 山东北方光学电子有限公司 | Step-length-fixed telescopic automatic walking mechanism |
-
2014
- 2014-05-06 CN CN201420226549.8U patent/CN204042319U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165257A (en) * | 2013-12-30 | 2014-11-26 | 山东北方光学电子有限公司 | Step-length-fixed telescopic automatic walking mechanism |
| CN104165257B (en) * | 2013-12-30 | 2018-01-30 | 山东北方光学电子有限公司 | The telescopic automatic traveling mechanism of fixed step size |
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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 |
Granted publication date: 20141224 Termination date: 20150506 |
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| EXPY | Termination of patent right or utility model |