CN202083375U - Contour detecting device for circular section of steel tube of steel tube tower of power tower - Google Patents
Contour detecting device for circular section of steel tube of steel tube tower of power tower Download PDFInfo
- Publication number
- CN202083375U CN202083375U CN201120075995XU CN201120075995U CN202083375U CN 202083375 U CN202083375 U CN 202083375U CN 201120075995X U CN201120075995X U CN 201120075995XU CN 201120075995 U CN201120075995 U CN 201120075995U CN 202083375 U CN202083375 U CN 202083375U
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- steel pipe
- steel tube
- gage beam
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Abstract
The utility model discloses a contour detecting device for a circular section of a steel tube of a steel tube tower of a power tower. The contour detecting device includes an open mouth tong base, a measuring pedestal and a measuring arm, wherein the measuring pedestal is connected with the open mouth tong base and then the measuring pedestal connects with the measuring arm mutually. The open mouth tong base fixes the whole device on the to-be-measured steel pipe. An annular guide rail is installed on the measuring pedestal. The measuring arm rotates along the annular guide rail and around the to-be-measured steel pipe. The rotation angle of the measuring arm is larger than 120 degrees. Three distance sensors are installed on the measuring arm every 120 degrees in a circle. The distance sensors are used to measure and record the contour curve information of the to-be-measured steel tube whose contour curve angle is larger than 120 degrees. The detecting device can be installed at any position in a longitudinal direction of the to-be-measure steel tube. By rotating the three distance sensors distributes uniformly for every 120 degrees around the to-be-measure steel tube for over 120 degrees, three sections of contours of the steel tube is detected and contour curve data of the three sections is processed and combined. Thus the integral contour detection of the circular section of the to-be-tested steel tube is completed.
Description
Technical field
The utility model relates to a kind of steel pipe circular section profile pick-up unit of electric power tower steel tube tower.
Background technology
The electric power course of conveying needs a large amount of electric power towers that use, electric power tower subangle head tower and steel tube tower.The angle steel tower mainly is used in the mountain area, the occasion of communications and transportation inconvenience.The simple and direct steel tube tower of a large amount of utilization structures in the plains region.The primary structure of steel tube tower is a steel pipe, and body of the tower adopts the Luo bolt that a section connection of steel pipe is erected.Steel pipe is opened material, bent plate, the welding of pipe shaft slit by flat board, and school port, end and methods such as ring flange welding and steel tube surface galvanizing by dipping process.Steel pipe is bent into pipe by the processing that twists with rectangular flat board.Specific process is that the short side direction at flat board provides feeding, is bent to a certain degree along long side direction, and short side direction continues feeding one segment distance then, and be bent again the position that long side direction is new, and this process is carried out repeatedly.Respectively two long side directions of rectangular flat plate are done identical processing, two dull and stereotyped long back gauges are approaching, are formed with the pipe of opening.With the opening pressing, original two dull and stereotyped long side welds are integral again by electric welding.The job operation of above-mentioned routine is by controlling the shape that the dull and stereotyped minor face amount of feeding and long limit amount of bow guarantee to form steel pipe, though by digital control programming method control mechanical motion, still there is error in true form.In order to guarantee cooperating of steel pipe two ends and the ring flange that connects usefulness, after the slit welding of steel pipe, also to check and shaping the circularity at steel pipe two ends, at last could with ring flange assembling and welding.Steel pipe is along the circularity of length cross-sectional geometry, and is influential to the degree of uniformity of steel pipe holding capacity, and particularly the voltage along with electric power transfer is more and more higher, and the height of electric power tower is also increasing, and the requirement of steel pipe stress-bearing capability is also being improved.
Job operation can only be measured diameter to the midsection profile of steel pipe now, and the pair cross-section profile can't be measured, and promptly can't know actual circular section profile and the error size that designs the circular section profile.
The utility model content
The purpose of this utility model provides a kind of steel pipe circular section profile pick-up unit of electric power tower steel tube tower.The utility model uses the pick-up unit of open type structure, installing and locating rolls any lengthwise position in steel pipe cylindrical middle part that is welded at plain plate, center on moving of steel pipe by the pick-up unit movement parts, sensor record and the steel pipe excircle configuration that detects this position.
Open type pincers seat can be stuck in steel pipe pincers seat central authorities, goes up the bolt that distributes by the pincers seat, the pincers seat can be fixed on the optional position of steel pipe.Measure base and also be designed to the opening shape, block steel pipe, and be fixed on the pincers seat.Measuring on the base has ring-shaped guide rail, and the slide block that cooperates is with it arranged on the guide rail.Fixing one on the slide block also is ringent annular gage beam, and three equally distributed range sensors of mutual 120 degree are installed on the gage beam.Slide block drives measurement bay and does to move above the rotations of 120 degree around steel pipe, and three range sensors are measured the contour curve that steel pipe surpasses 120 degree respectively, thereby have realized the areal survey of sensor to the steel pipe circular section.
The utility model is achieved through the following technical solutions:
The steel pipe circular section profile pick-up unit of a kind of electric power tower steel tube tower that the utility model provides comprises the open mouth tongs seat, measures base and gage beam, wherein connects on the open mouth tongs seat and measures base, measures base and interconnects with gage beam; The open mouth tongs seat is fixed on whole device on the steel pipe to be measured; Measure on the base ring-shaped guide rail is installed, gage beam rotates around steel pipe to be measured along ring-shaped guide rail, its anglec of rotation is equipped with three by the uniform range sensor of 120 degree greater than 120 degree on the gage beam, measure and write down the steel pipe contour curve information to be measured that surpasses 120 degree respectively.
Above-mentioned open mouth tongs seat, measurement base and gage beam are hatch frame.Can be so that be installed on any position of steel pipe to be measured the measurement of measuring steel pipe profile on any position.
Above-mentioned open mouth tongs seat is radially installed three positions fixed bolt at 120 degree angles each other, fixing steel pipe to be measured.
At least three Luo crozes of surface symmetrical distribution of above-mentioned open mouth tongs seat are measured on the base with on the corresponding position of Luo croze and are had corresponding oval hole, tie by Luo to connect the open mouth tongs seat and measure base.Can be convenient to adjust the mutual alignment of measuring base and open mouth tongs seat and interfix.
At least two slide blocks are installed on the ring-shaped guide rail of above-mentioned measurement base, and slide block is connected with through hole on the gage beam respectively.Gage beam can rotatablely move around steel pipe to be measured along guide rail.Limited block is installed on the gage beam, is measured on the base initial point block and terminal point block are installed, the limited block on the gage beam moves between initial point block on the measurement base and terminal point block, and the range of movement of gage beam is slightly larger than 120 degree angles.
Go back installation site the initial point attribute block and the post pieces at 120 degree angles each other on the above-mentioned measurement base, be provided with some uniform intermediate marker pieces between initial point attribute block and the post piece; Position transducer is installed on the gage beam, and the installation site of position transducer is corresponding with initial point attribute block on measuring base, and position transducer moves between initial point attribute block and post piece, and its range of movement is 120 to spend angles.Position transducer on the gage beam is every through an intermediate marker piece, the angular position information that can both obtain determining, thus determine that range sensor obtains the respective angles position of steel pipe profile information.
The detection method step of described pick-up unit is as follows:
1) elder generation on steel pipe to be measured, is fixed by three fixed bolts the open mouth tongs cover for seat with the open mouth tongs seat, makes steel pipe to be measured be in the geometric center of open mouth tongs seat jaw;
2) will measure base and be installed on the open mouth tongs seat, both be fixed, and, make steel pipe to be measured be in the geometric center of measuring base by adjusting Luo bolt in the Luo croze and position of measuring oval hole on the base on the open mouth tongs seat with the Luo bolt;
3) gage beam rotates around steel pipe to be measured along ring-like guide rail, the maximum rotating range of gage beam is determined by being fixed on initial point block and the terminal point block measured on the base, these two blocks are for deciding piece, the limited block that is fixed on the gage beam is a motion block, motion block can only rotate between above-mentioned two scopes of deciding piece restriction, and the anglec of rotation of gage beam is slightly larger than 120 degree;
4) position transducer on the gage beam is used to detect the position of initial point, terminal point and several intermediate marker pieces, thereby learn on the gage beam angular position information in three each comfortable measuring processes of range sensor, range sensor can detect and obtain the distance of measuring head to steel tube surface;
5) limited block on gage beam is from the initial point block, and during position sensor arrival initial point zone bit, range sensor obtains the information of former and later two sensors head and the tail overlay segments; When position transducer moves between initial point attribute block and post piece, range sensor obtains separately the effective information apart from the steel pipe surface measurements; When position transducer moves between the terminal point block to limited block at the post piece, it is again the overlay information of steel pipe distance that range sensor obtains; The information centre that is each measuring head gained has 120 degree to be the effective information of steel pipe profile, and head and the tail have respectively has one section to be overlay information; Overlay information can be used for data processing, and the 120 degree information that three range sensors are recorded respectively synthesize the information of steel pipe profile 360 degree to be measured, so simulate the contour curve of steel pipe to be measured detection position, finish steel pipe profile to be measured is detected.
Above-mentioned steps 4) be provided with several intermediate marker positions between initial point attribute block and post position, these intermediate marker positions evenly distribute, and when each intermediate marker position of position transducer process, can both obtain corresponding angular position information.
Said method can be by the uniform motion of gage beam, and range sensor continuous sampling directly obtains continuous steel pipe contour curve; Also can be by utilizing range sensor that steel pipe is sampled in initial point link stopper, initial point attribute block, some intermediate marker pieces, post piece and terminal point link stopper position, the information of these points is fitted to the steel pipe contour curve; The intermediate marker position is provided with manyly more, and the steel pipe point position of acquisition is many more, and the profile that match obtains is accurate more.
Above-mentioned steps 1) split shed pincers seat has multiple dimensions to select according to the demand of measuring steel pipe.
By prior strictness adjustment and demarcation, the position of three range sensors is accurately installed and is fixed.Concrete grammar is a sired results part of selecting a known profile, detects three sections profiles of known workpiece respectively by three sensors, and and the known profile curve contrast, with the installation site of this correcting sensor.
Every section length that detects arc surpasses 120 degree, and the basis that a bit of conduct of the head of arc and afterbody interknits promptly is the overlay region of front and back circular arc.What the head overlay segment of the same second section circular arc of the afterbody of first section arc detected is the profile of same section steel pipe, and data should be the same.The afterbody of same second section circular arc is the same with the data of the head overlay segment of the 3rd section circular arc.The head overlay segment data of the afterbody of the 3rd section circular arc and first section circular arc too.With the overlay segment of three sections circular arcs head and the tail overlapping after, the circular arc data of three section 120 degree just can be synthesized the contour curve of the steel pipe of surveying.
The beneficial effects of the utility model are:
Utilize the pick-up unit of hatch frame, can be installed in any longitudinally position of steel pipe simply and easily.Utilize equally distributed three sensors of 120 degree to do to surpass 120 rotations of spending, detect three sections profiles of steel pipe around steel pipe.Three sections contour curve data are handled and connect syntheticly, finish the integrity profile of steel pipe xsect is measured.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the open mouth tongs holder structure synoptic diagram of the utility model device.
Fig. 3 is that the open mouth tongs seat A of apparatus of the present invention is to structural representation.
Fig. 4 is the measurement understructure synoptic diagram of apparatus of the present invention.
Fig. 5 is the gage beam structural representation of apparatus of the present invention.
Wherein: 1. open mouth tongs seat 2. steel pipes 3. to be measured are measured base 4. gage beams 5. fixed bolts 6. Luo crozes 7. ring-shaped guide rails 8. initial point attribute blocks 9. terminal point blocks 10. slide block A 11. initial point blocks 12. slide block B 13. oval holes 14. post pieces, 15. range sensor A, 16. position transducers, 17. through holes, 18. range sensor B, 19. limited blocks, 20. range sensor C21. intermediate marker pieces.
Embodiment
Below in conjunction with accompanying drawing the utility model is done detailed description further.
When steel pipe is measured, earlier open mouth tongs seat 1 is enclosed within steel pipe position to be measured, by three fixed bolts 5 the open mouth tongs seat is fixed, and made steel pipe be in the geometric center of pincers seat jaw as far as possible.The open mouth tongs seat can have several dimensions to select according to the demand of measuring steel pipe.To measure base 3 and be installed on the open mouth tongs seat 1, both be fixed with the Luo bolt.Can pass through to adjust the position of Luo bolt in Luo croze 6, and adjust the oval hole 13 of measurement base and the position of Luo bolt, make the mutual alignment of measuring base and open mouth tongs seat obtain adjustment, and make steel pipe be in the geometric center of measuring base.Measure on the base ring-shaped guide rail 7 is housed, slide block A and slide block B can be slided on guide rail.Passing through hole 17 with the Luo bolt is connected and fixed gage beam and slide block.Gage beam can be along ring-like guide rail 7 around steel pipe rotation to be measured.The maximum rotating range of gage beam determines that by being fixed on initial point block 11 and the terminal point block 9 measured on the base these two blocks are for to decide piece, and the limited block 19 that is fixed on the gage beam is motion blocks, and motion block can only be decided to rotate between the scope that piece limits at above-mentioned two.The anglec of rotation of design gage beam is slightly larger than 120 degree.On the measurement base, also be provided with initial point attribute block 8 and post piece 14, and several intermediate marker pieces 21, these attribute blocks are all fixed.Corresponding with these tick lables pieces, position transducer 16 is housed on the gage beam, be used to detect the position of initial point, terminal point and several intermediate marker pieces, thereby learn on the gage beam angular position information in three each comfortable measuring processes of range sensor.Range sensor can detect and obtain the distance of measuring head to steel tube surface.Limited block 19 on gage beam is from the initial point block, and during position sensor arrival initial point zone bit, range sensor obtains the information of former and later two sensors head and the tail overlay segments; When position transducer moves between initial point attribute block and post piece, range sensor obtains separately the effective information apart from the steel pipe surface measurements; When position transducer moves between the terminal point block to limited block at the post piece, it is again the overlay information of steel pipe distance that range sensor obtains.The information centre that is each measuring head gained has 120 degree to be the effective information of steel pipe profile, and head and the tail have respectively has one section to be overlay information.Overlay information can be used for data processing, and the 120 degree information that three range sensors are recorded respectively synthesize the information that steel pipe profile 360 is spent.Therefore simulate the contour curve of steel pipe detection position, the profile of finishing the steel pipe longitudinal cross-section detects.
Be provided with several intermediate marker positions between initial point attribute block and post position, these intermediate marker positions evenly distribute.When each intermediate marker position of position transducer process, can both obtain corresponding angular position information.
Can be by the uniform motion of gage beam, range sensor continuous sampling directly obtains continuous steel pipe contour curve.Also can be by utilizing range sensor that steel pipe is sampled in positions such as initial point link stopper, initial point attribute block, some intermediate marker pieces, post piece and terminal point link stoppers, the information of these points is fitted to the steel pipe contour curve.The intermediate marker position is provided with manyly more, and the steel pipe point position of acquisition is many more, and the profile that match obtains is accurate more.
Claims (6)
1. the steel pipe circular section profile pick-up unit of an electric power tower steel tube tower is characterized in that: this device comprises the open mouth tongs seat, measures base and gage beam, wherein connects on the open mouth tongs seat and measures base, measures base and interconnects with gage beam; The open mouth tongs seat is fixed on whole device on the steel pipe to be measured; Measure on the base ring-shaped guide rail is installed, gage beam rotates around steel pipe to be measured along ring-shaped guide rail, and its anglec of rotation is equipped with three by the uniform range sensor of 120 degree greater than 120 degree on the gage beam.
2. the steel pipe circular section profile pick-up unit of electric power tower steel tube tower according to claim 1 is characterized in that: above-mentioned open mouth tongs seat, measurement base and gage beam are hatch frame.
3. the steel pipe circular section profile pick-up unit of electric power tower steel tube tower according to claim 1 is characterized in that: above-mentioned open mouth tongs seat is radially installed three positions fixed bolt at 120 degree angles each other, fixing steel pipe to be measured.
4. the steel pipe circular section profile pick-up unit of electric power tower steel tube tower according to claim 1, it is characterized in that: at least three Luo crozes of surface symmetrical distribution of above-mentioned open mouth tongs seat, measure on the base with on the corresponding position of Luo croze and have corresponding oval hole, tie by Luo and connect open mouth tongs seat and measurement base.
5. the steel pipe circular section profile pick-up unit of electric power tower steel tube tower according to claim 1 is characterized in that: at least two slide blocks are installed on the ring-shaped guide rail of above-mentioned measurement base, and slide block is connected with through hole on the gage beam respectively; Limited block is installed on the gage beam, is measured on the base initial point block and terminal point block also are installed respectively, the limited block on the gage beam moves between initial point block on the measurement base and terminal point block, and the range of movement of gage beam is slightly larger than 120 degree angles.
6. the steel pipe circular section profile pick-up unit of electric power tower steel tube tower according to claim 1, it is characterized in that: go back installation site the initial point attribute block and the post pieces at 120 degree angles each other on the above-mentioned measurement base, be provided with some uniform intermediate marker pieces between initial point attribute block and the post piece; Position transducer is installed on the gage beam, and the installation site of position transducer is corresponding with initial point attribute block on measuring base, and position transducer moves between initial point attribute block and post piece, and its range of movement is 120 to spend angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120075995XU CN202083375U (en) | 2011-03-11 | 2011-03-11 | Contour detecting device for circular section of steel tube of steel tube tower of power tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120075995XU CN202083375U (en) | 2011-03-11 | 2011-03-11 | Contour detecting device for circular section of steel tube of steel tube tower of power tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202083375U true CN202083375U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120075995XU Expired - Lifetime CN202083375U (en) | 2011-03-11 | 2011-03-11 | Contour detecting device for circular section of steel tube of steel tube tower of power tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202083375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226694A (en) * | 2011-03-11 | 2011-10-26 | 广东安恒铁塔钢构有限公司 | Steel pipe circular cross section contour detection apparatus of electric power steel pipe tower and detection method thereof |
| CN105973185A (en) * | 2016-07-21 | 2016-09-28 | 赵艳丽 | Electric power tower steel pipe circular cross section contour detection and correction device |
-
2011
- 2011-03-11 CN CN201120075995XU patent/CN202083375U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226694A (en) * | 2011-03-11 | 2011-10-26 | 广东安恒铁塔钢构有限公司 | Steel pipe circular cross section contour detection apparatus of electric power steel pipe tower and detection method thereof |
| CN102226694B (en) * | 2011-03-11 | 2013-04-10 | 广东安恒铁塔钢构有限公司 | Steel pipe circular cross section contour detection apparatus of electric power steel pipe tower and detection method thereof |
| CN105973185A (en) * | 2016-07-21 | 2016-09-28 | 赵艳丽 | Electric power tower steel pipe circular cross section contour detection and correction device |
| CN105973185B (en) * | 2016-07-21 | 2018-09-11 | 浙江嘉昱达机械有限公司 | Electric power tower steel pipe circular section contour detecting and apparatus for correcting |
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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: 20111221 Effective date of abandoning: 20130410 |
|
| RGAV | Abandon patent right to avoid regrant |