CN202803865U - Machining device for pipeline inner wall drag reduction structure - Google Patents
Machining device for pipeline inner wall drag reduction structure Download PDFInfo
- Publication number
- CN202803865U CN202803865U CN 201220321301 CN201220321301U CN202803865U CN 202803865 U CN202803865 U CN 202803865U CN 201220321301 CN201220321301 CN 201220321301 CN 201220321301 U CN201220321301 U CN 201220321301U CN 202803865 U CN202803865 U CN 202803865U
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- running gear
- processing part
- motor
- leading portion
- bevel gear
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Abstract
The utility model aims to provide a machining device for a pipeline inner wall drag reduction structure. The machining device comprises a walking portion, a walking portion motor, a machining portion and a machining portion motor, the walking portion comprises a guide walking portion, a front walking portion and a rear walking portion, the structure of the lower half portion of the front walking portion is as same as that of the upper half portion of the front walking portion, the walking portion motor is mounted between the front walking portion and the rear walking portion and comprises a telescopic rod, the rod is connected with the rear walking portion, the rear walking portion and the front walking portion have the same structure and are symmetrically arranged, a mechanism comprises the machining portion and the machining portion motor, and the guide walking portion, the mechanism, the front walking portion, the walking portion motor and the rear walking portion are sequentially connected. The machining device is wide in operating pipe diameter range, simple in structural layout and easy to implement, and has fine centering and positioning functions.
Description
Technical field
The utility model relates to a kind of processing unit (plant) of pipeline.
Background technology
At present, use seldom on the drag reduction technology pipe-line at home and mostly adopt the coating drag reduction and two kinds of methods of drag reducer drag reduction, there is very large drawback in this.There is the shortcoming that service life is not long, the scope of application is narrower and technique is comparatively complicated in the coating drag reduction, and the effect that the pipeline coatings drag reduction can reach is very faint.The drag reducer drag reduction exist drag reducer consume too fast, contain shortcoming toxic and that be not easy to transport, and pipeline adopts the drag reducer drag reduction can increase the drag reducer injection device, and the operational ton of its whole system and fault rate are greatly improved.So pipe-line does not have preferably drag reduction method at present.More domestic researchers have also carried out the experimental study about the groove drag reduction, and the result shows that the resistance reducing performance of V-arrangement and two kinds of grooved surface pipelines of T shape obviously is better than smooth tube, and wherein the resistance reducing performance of V-arrangement is even more ideal than T shape.Naval engineering university adopts the Fluid Mechanics Computation mode to study the impact of vee-cut pinnacle radius of corner on drag-reduction effect, and the result shows that its drag-reduction effect of vee-cut that radius of corner is less is better, and maximum drag reducing efficiency can reach about 16%.
Summary of the invention
The purpose of this utility model is to provide a kind of inner-walls of duct drag reduction structure processing unit (plant) that can process on inner-walls of duct protective finish surface the drag reduction groove structure.
The purpose of this utility model is achieved in that
A kind of inner-walls of duct drag reduction of the utility model structure processing unit (plant), it is characterized in that: comprise running gear, the running gear motor, the processing part, the processing part motor, running gear comprises the guiding running gear, the leading portion running gear, the back segment running gear, the first half of leading portion running gear comprises adjusting bolt, baffle plate, the wheel support bar, support bar, adjusting rod, adjustable plate, regulating electric machine, shell, adjusting bolt connects baffle plate and regulating fender position, wheel support bar one end that is installed on the shell is blocked by baffle plate, other end mounting wheel, support bar one end is installed on the shell, the other end is installed back-up block, regulating electric machine, adjustable plate is fixed in the shell, the bar that regulating electric machine stretches out is adjusted the position of adjustable plate in shell, adjusting rod one end connects adjustable plate, the other end connects support bar, and leading portion running gear the latter half is identical with the first half structure, symmetrical up and down along the regulating electric machine axis; The running gear motor is installed between leading portion running gear and the back segment running gear, and the running gear motor comprises telescopic bar, and bar connects the back segment running gear, and the back segment running gear is identical with leading portion running gear structure, be arranged symmetrically with; Guiding running gear, processing part link to each other successively with mechanism, leading portion running gear, running gear motor, the back segment running gear that the processing part motor forms.
The utility model can also comprise:
1, the first half of described guiding running gear comprises guide adjustment bolt, guide baffle plate, guide wheel support bar, guiding shell, the guide adjustment bolt connects guide baffle plate and also adjusts the guide baffle plate position, is installed in guide wheel support bar one end on the guiding shell and is directed that baffle plate blocks, the other end is installed guide wheel; The latter half of guiding running gear is identical with the first half structure and symmetrical up and down along the bolt axis.
2, described processing part comprises rolling tool, heating rod, axle, bevel gear, and the bevel gear connecting axle is installed cam on the axle, and rolling tool and heating rod are installed on the support, the cam connection bracket; The processing part motor connects the Bevel Gear Transmission axle, and the Bevel Gear Transmission axle connects the first processing part motor bevel gear and the second processing part motor bevel gear; Described processing part has four, the first processing part and the second processing part share the first axle and arrange according to the first axial symmetry, the 3rd processing part and the 4th processing part share the second axle and arrange according to the second axial symmetry, the first processing part bevel gear connects the first processing part motor bevel gear, and the 3rd processing part bevel gear connects the second processing part motor bevel gear.
3, described leading portion running gear also comprises left-half and right half part, and left-half is identical with the first half structure with right half part, place respectively the left and right sides of leading portion running gear body.
Advantage of the present utility model is: adopt the multi-knife-head reverse rotation during inwall rolling and processing, avoided the tangential counter-force of the pipeline that the hilted broadsword tool is subject to around the conduit axis revolving-rolling, the suffered tangential counter-force of two groups of cutters of rolling and processing is cancelled out each other, thereby reach stress balance, can not produce flexural deformation and reverse displacement, guarantee the processing of robots operation quality.Processing unit (plant) uses a power source, carries out transmission of power by transmission mechanism, drives four cutters and realizes the roll-in action, makes the processing unit (plant) structural design seem compact.The degree of depth of roll extrusion realizes by the frame for movement cam, does not need extra power part.Pipe robot operation caliber scope is large, can operation in the pipeline of Φ 440-Φ 520mm caliber, and have fine centering and positioning function.It is little to adopt feed screw nut adjustment structure caliber to change the effective torque impact that needs motor output, and topology layout is simple, is easy to realize.
Description of drawings
Fig. 1 is processing unit (plant) overall layout chart;
Fig. 2 is the walking mechanism structure chart;
Fig. 3 is the partial sectional view of Fig. 2;
Fig. 4 is the partial sectional view of Fig. 2;
Fig. 5 is the partial sectional view of Fig. 2;
Fig. 6 is the processing part structure chart;
Fig. 7 is the partial sectional view of Fig. 2;
Fig. 8 is the partial sectional view of Fig. 7;
Fig. 9 is the partial sectional view of Fig. 7;
Figure 10 is the partial sectional view of Fig. 7;
Figure 11 is the graphics of the utility model structure.
The specific embodiment
For example the utility model is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～11, operation process of the present utility model mainly by walking and processing two motion links and finish, is divided into unit head and processing assembly two large modules by its function difference with it.Wherein unit head is responsible for the walking function of whole robot, and processing assembly only need to be finished the processing of bionic, drag-reducing surface texture.As shown in Figure 1, pipeline processing machine people adopt unit head at front, processing assembly in the total arrangement form that adopts docking bayonet socket form to be connected between rear, unit head and the processing assembly.
Pipeline processing machine people unit head adopts the creeping motion type mode of advancing, and unit head comprises that leading portion running gear, back segment running gear and driver module three parts form, and its structure is illustrated in fig. 2 shown below.
Pipe robot unit head part mainly comprises propulsion assembly, clamp assembly, supporting component.Propulsion assembly is comprised of drive motors 18, motor fixing seat 13, motor ram seat 19, motor mounting plate 12.Clamp assembly is comprised of back-up block 26, support bar 25, support adjusting rod 27 support bar holders 22.Adjusting part is comprised of adjusting bolt 1, pre-load nut 2, deep groove ball bearing 17, wheel support bar 23, wheel support bar baffle plate 6, wheel support bar mount pad 22.
Pipeline processing machine people processing part mainly by drive motors, about two groups of tooling systems, train transmission system, cam drive system etc. partly form.Its concrete structure is illustrated in fig. 6 shown below.Tooling system is comprised of heating rod 28, optical axis bearing block 29, the collar 30, roller fixed mount 31, deep groove ball bearing 32, rolling tool 33.The train transmission system is by bevel gear 47, bevel gear 54, bevel gear 53 deep groove ball bearings, flat key 57, and Bevel Gear Transmission axle 56 and bevel gear fixed axis 49 form.Cam drive system mainly is comprised of cam 45, roll fixed shaft 66, slide block fixed head 60, line slideway 61, linear slider 62, contiguous block 63, roller mount fixed head 64.
The utility model is comprised of unit head and processing assembly module.Unit head is comprised of leading portion running gear, driver module and back segment running gear.Wheel support bar 7 is installed on the upper head plate 5 by the wheel supporting rod seat, and roller is installed on the wheel grip slipper 24, and wheel grip slipper 24 rolls by bolt and fixes on the wheel support bar 7.Roller is installed on the wheel grip slipper by deep groove ball bearing and bearing pin.The cooperation of bearing pin and deep groove ball bearing belongs to interference fit.The wheel support bar becomes 90 degree to distribute, and can effectively reduce the frictional resistance of robot and inner-walls of duct.Bolt 1 and adjusting nut 2 form pre-pressing structure by baffle plate 6, and before pipeline processing machine people enters duty, the manual adjustments pre-load nut will be taken turns support bar and is pressed on inner-walls of duct.Supporting mechanism is slider-crank mechanism, is comprised of back-up block 26, support bar 25 adjustable plates 10 and adjusting rod 27.Back-up block is installed on the support bar 25 by bearing pin and deep groove ball bearing, and the cooperation of bearing pin and deep groove ball bearing belongs to interference fit.Deep groove ball bearing also belongs to interference fit with cooperating of support bar.Adjustable plate 10 linear slide under drive motors 8 drives in the course of the work, slide block drives the elevating movement that crank-swinging is realized back-up block, reaches back-up block with this and steps up and unclamp action at inner-walls of duct.The radiai adjustment supporting mechanism is designed to the space in a circumferential direction becomes 90 ° of circumferential equally distributed structures, when structure facing each other is convenient to offset from fixed block compression inner-walls of duct, be applied to the effect counter-force on the motor leading screw, effectively avoided the motor leading screw to produce crooked phenomenon owing to being subject to unidirectional effect counter-force.Directed guide assembly is comprised of several parts of slideway optical axis, linear bearing, bracing strut and guide rail bearing.Motor output shaft elongation and when pulling back, wriggle front joint and wriggling posterior joint are by linear bearing and move back and forth along optical axis guide rail.
Pipeline processing machine people processing part mainly by drive motors, about two groups of cutters, train transmission system, cam drive system etc. partly form.Its concrete structure is illustrated in fig. 6 shown below.Drive motors 51 rolls and fixes on the baffle plate 47,59,52.Motor shaft is connected with axle 56 by flat key 55, bearing 59 and axle 56 interference fit.Helical gear 54 cooperates with axle 56 by flat key 57.Milled head 33 connects by connector 31, and bearing 32 is installed in the contiguous block, can allow the milled head Free-rolling.The collar (30) prevents moving axially of bearing.It is fixed that heating head 28 rolls by optical axis bracing frame 35, installs the rear trip bolt that support is taken to optical axis and carry out early warning, prevents moving axially of heating rod 28.Helical gear 47 and deep groove ball bearing interference fit are installed on the axle 49, and right-hand member rolls and fixes on the right end plate 48, adopt right end plate 48 and the collar 44 to prevent the axially-movable of bearing.Because the degree of depth of roll extrusion adopts cam 45 for rolling definite value, and it is fixed to use the collar 44 to roll.Outer sleeve 46 right-hand members and helical gear 47 roll fixed, and left end is connected with left back-up ring 41, outer sleeve 43 and deep groove ball bearing 42 interference fit.Axially rolling by back-up ring 41 and the collar 44 of deep groove ball bearing is fixed.Alignment pin 40 is connected the effect that reaches the location with part 39.
The front radiai adjustment supporting mechanism that is positioned at robot ambulation module leading portion descends, and unclamps inner-walls of duct, and meanwhile, the rear radiai adjustment supporting mechanism that is positioned at the walking module back segment rises, and compresses inner-walls of duct.The electric pushrod entry into service, the push rod elongation of motor, the leading portion part that drives walking module is advanced forward.After arriving the precalculated position, electric pushrod shuts down, and the push rod of motor stops elongation, the front radiai adjustment supporting mechanism that is positioned at the walking module leading portion rises, and compresses inner-walls of duct, meanwhile, the rear radiai adjustment supporting mechanism that is positioned at the walking module back segment descends, and unclamps inner-walls of duct.The electric pushrod antiport drives inner-walls of duct drag reduction structure machining robot and advances forward when the push rod of motor back shrinks, after arriving the precalculated position, electric pushrod shuts down.
Below in conjunction with accompanying drawing 11 explanations specific implementation process of the present utility model.A process-cycle comprises hot rolling and processing and walking mechanism motion.In hot rolling and processing process, the first step: 1., 4., 7. tighten and 5., 6. raise, hold out against inwall.Second step: 2. clockwise 3. 240 ° of synchronous rotaries counterclockwise.The 3rd step: the 15mm that 6. radially descends, unclamp inwall, electric pushrod A extends 95mm.The 4th step: the 15mm that 6. radially raises holds out against inwall; 5. the 15mm that radially descends unclamps inwall, the electric pushrod A 95mm that bounces back, the band mobile robot 95mm that advances.The 5th step: the 15mm that 5. radially raises holds out against inwall; 2. counterclockwise 3. 240 ° of synchronous rotaries clockwise.The 6th step: repeat 3,4,5 and go on foot twice.
In the walking mechanism walking process, the first step: the 15mm that 6. radially descends, unclamp inwall, electric pushrod A extends 95mm.The second step 15mm that 6. radially raises holds out against inwall; 5. the 15mm that radially descends unclamps inwall, the electric pushrod A 95mm that bounces back, the band mobile robot 95mm that advances.The 3rd step: the 15mm that 5. radially raises holds out against inwall.The 4th step: repeat 1,2,3 and go on foot three times.
Claims (5)
1. inner-walls of duct drag reduction structure processing unit (plant), it is characterized in that: comprise running gear, the running gear motor, the processing part, the processing part motor, running gear comprises the guiding running gear, the leading portion running gear, the back segment running gear, the first half of leading portion running gear comprises adjusting bolt, baffle plate, the wheel support bar, support bar, adjusting rod, adjustable plate, regulating electric machine, shell, adjusting bolt connects baffle plate and regulating fender position, wheel support bar one end that is installed on the shell is blocked by baffle plate, other end mounting wheel, support bar one end is installed on the shell, the other end is installed back-up block, regulating electric machine, adjustable plate is fixed in the shell, the bar that regulating electric machine stretches out is adjusted the position of adjustable plate in shell, adjusting rod one end connects adjustable plate, the other end connects support bar, and leading portion running gear the latter half is identical with the first half structure, symmetrical up and down along the regulating electric machine axis; The running gear motor is installed between leading portion running gear and the back segment running gear, and the running gear motor comprises telescopic bar, and bar connects the back segment running gear, and the back segment running gear is identical with leading portion running gear structure, be arranged symmetrically with; Guiding running gear, processing part link to each other successively with mechanism, leading portion running gear, running gear motor, the back segment running gear that the processing part motor forms.
2. a kind of inner-walls of duct drag reduction structure processing unit (plant) according to claim 1, it is characterized in that: the first half of described guiding running gear comprises guide adjustment bolt, guide baffle plate, guide wheel support bar, guiding shell, the guide adjustment bolt connects guide baffle plate and also adjusts the guide baffle plate position, is installed in guide wheel support bar one end on the guiding shell and is directed that baffle plate blocks, the other end is installed guide wheel; The latter half of guiding running gear is identical with the first half structure and symmetrical up and down along the bolt axis.
3. a kind of inner-walls of duct drag reduction structure processing unit (plant) according to claim 1 and 2, it is characterized in that: described processing part comprises rolling tool, heating rod, axle, bevel gear, the bevel gear connecting axle, cam is installed on the axle, rolling tool and heating rod are installed on the support, the cam connection bracket; The processing part motor connects the Bevel Gear Transmission axle, and the Bevel Gear Transmission axle connects the first processing part motor bevel gear and the second processing part motor bevel gear; Described processing part has four, the first processing part and the second processing part share the first axle and arrange according to the first axial symmetry, the 3rd processing part and the 4th processing part share the second axle and arrange according to the second axial symmetry, the first processing part bevel gear connects the first processing part motor bevel gear, and the 3rd processing part bevel gear connects the second processing part motor bevel gear.
4. a kind of inner-walls of duct drag reduction structure processing unit (plant) according to claim 1 and 2, it is characterized in that: described leading portion running gear also comprises left-half and right half part, and left-half is identical with the first half structure with right half part, place respectively the left and right sides of leading portion running gear body.
5. a kind of inner-walls of duct drag reduction structure processing unit (plant) according to claim 3, it is characterized in that: described leading portion running gear also comprises left-half and right half part, and left-half is identical with the first half structure with right half part, place respectively the left and right sides of leading portion running gear body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321301 CN202803865U (en) | 2012-07-04 | 2012-07-04 | Machining device for pipeline inner wall drag reduction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321301 CN202803865U (en) | 2012-07-04 | 2012-07-04 | Machining device for pipeline inner wall drag reduction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202803865U true CN202803865U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321301 Withdrawn - After Issue CN202803865U (en) | 2012-07-04 | 2012-07-04 | Machining device for pipeline inner wall drag reduction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202803865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764804A (en) * | 2012-07-04 | 2012-11-07 | 哈尔滨工程大学 | Processing device and method for inner-wall resistance reduction structure of pipeline |
| CN106382434A (en) * | 2016-09-25 | 2017-02-08 | 羊丁 | Intelligent pipeline climbing robot |
-
2012
- 2012-07-04 CN CN 201220321301 patent/CN202803865U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764804A (en) * | 2012-07-04 | 2012-11-07 | 哈尔滨工程大学 | Processing device and method for inner-wall resistance reduction structure of pipeline |
| CN102764804B (en) * | 2012-07-04 | 2014-11-05 | 哈尔滨工程大学 | Processing device and method for inner-wall resistance reduction structure of pipeline |
| CN106382434A (en) * | 2016-09-25 | 2017-02-08 | 羊丁 | Intelligent pipeline climbing robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |