CN201269746Y - Steel pipe length measurement apparatus - Google Patents
Steel pipe length measurement apparatus Download PDFInfo
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- CN201269746Y CN201269746Y CNU2008201530753U CN200820153075U CN201269746Y CN 201269746 Y CN201269746 Y CN 201269746Y CN U2008201530753 U CNU2008201530753 U CN U2008201530753U CN 200820153075 U CN200820153075 U CN 200820153075U CN 201269746 Y CN201269746 Y CN 201269746Y
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Abstract
The utility model discloses a steel tube length measuring device which comprises a guide rail, two moving stents, two measuring stents, two measuring heads, a laser range sensor and a laser reflection plate. The two moving stents are arranged on the guide rail and connected with the guide rail in a sliding manner; the two measuring stents are respectively connected with the two moving stents through connecting bolts; the two measuring heads are respectively fixed on the two measuring stents; the laser range sensor is fixed on one of the measuring stent and the laser reflection plate is fixed on the other measuring stent. The steel tube length measuring device has high measuring precision, good reliability and convenient maintenance.
Description
Technical field
The utility model relates to a kind of length-measuring appliance, particularly a kind of device for measuring length of steel pipe.
Background technology
At current steel pipe, the especially production of large-diameter steel pipe, the length of fished pipe is necessary parameter, therefore must carry out the linear measure longimetry of steel pipe by root before steel pipe dispatches from the factory.
Fig. 1 is the synoptic diagram of device for measuring length of steel pipe commonly used, and as shown in the figure, the device for measuring length of steel pipe of using always adopts the long push rod 1 of survey and surveys long grating 2 cooperations product length is measured.Its principle of work is: each surveys long grating 21 meter placement at interval, after steel pipe 3 was placed on the measuring flume 4, push rod 1 beginning promoted steel pipe 3 forward, when push rod 1 head block 5 process signal transducers 6, signal transducer 6 triggers a linear measure longimetry enabling signal, the signal of opening entry pulse encoder.When steel pipe 3 heads are run into next grating, the stop pulse counting.Obtain steel pipe length=stop position-(umber of pulse * recurrent interval), wherein stop position is demarcated by the sample pipe and is obtained.The length measurement precision of this device for measuring length of steel pipe can reach ± 3mm, and speed is very fast relatively.But there is following shortcoming in this measurement mechanism:
1, very high for the stop position dependence, in case being vibrated occurrence positions, grating is offset, will cause measuring error, so all need every day grating is demarcated, influence is produced bigger.
2, steel pipe and survey elongated slot friction influences steel tube surface quality.
3, because push rod by hydraulic pressure or the driving of roller bearing screw mandrel, needs and grid ratio is responsive, need often to adjust, therefore, the plant maintenance workload is very big.
Summary of the invention
For addressing the above problem, the utility model provides a kind of device for measuring length of steel pipe, measuring accurately under the prerequisite, guarantees measuring reliability, reduces the workload of plant maintenance.
For achieving the above object, device for measuring length of steel pipe of the present utility model comprises: guide rail, two traversing carriages, two measurement bays, two measuring heads, laser distance sensor and laser-bounce plates; Described two traversing carriages place on the described guide rail, are slidingly connected with described guide rail; Described two measurement bays are connected with described two traversing carriages respectively by coupling bolt; Described two measuring heads are separately fixed on described two measurement bays; Described laser distance sensor is fixed therein on the measurement bay, and described laser-bounce plate is fixed on another measurement bay.
Be provided with preloading spring between described measurement bay and the traversing carriage, described preloading spring is enclosed within on the coupling bolt that connects described measurement bay and traversing carriage.
The afterbody of described coupling bolt is connected with displacement transducer.
Described measuring head comprises stationary fixture and pole, and the described pole anchor clamps that are fixed grip.
Described pole is made by high-abrasive material.
Device for measuring length of steel pipe of the present utility model, two end in contact with steel pipe can not influence pipe quality, have avoided the influence of various mechanical clearances by preloading spring.Device for measuring length of steel pipe of the present utility model, measuring accuracy height, good reliability, easy to maintenance.
Description of drawings
Fig. 1 is the synoptic diagram of device for measuring length of steel pipe commonly used;
Fig. 2 is the synoptic diagram of device for measuring length of steel pipe of the present utility model;
Fig. 3 is the synoptic diagram of measuring head among Fig. 2;
Fig. 4 is that the A-A of measuring head among Fig. 3 is to cut-open view.
Embodiment
Fig. 2 is the synoptic diagram of device for measuring length of steel pipe of the present utility model, as shown in the figure, device for measuring length of steel pipe of the present utility model comprises: guide rail 10, two traversing carriage 20a, 20b, two measurement bay 30a, 30b, two measuring head 50a, 50b, laser distance sensor 60 and laser-bounce plates 61; Described two traversing carriage 20a, 20b place on the described guide rail 10, are slidingly connected with described guide rail 10; Described two measurement bay 30a, 30b are connected with described two traversing carriage 20a, 20b respectively by coupling bolt 40a, 40b; Described two measuring head 50a, 50b are separately fixed on described two measurement bay 30a, the 30b; Described laser distance sensor 60 is fixed therein on the measurement bay 30a (or 30b), and described laser-bounce plate 61 is fixed on another measurement bay 30b (or 30a).
Be provided with preloading spring 41a, 41b between described two measurement bay 30a, 30b and described two traversing carriage 20a, the 20b, described preloading spring 41a, 41b are enclosed within on coupling bolt 40a, the 40b that connects described two measurement bay 30a, 30b and described two traversing carriage 20a, 20b.
After steel pipe 100 was placed on the analog bracket (not shown) by the lateral transfer device, two traversing carriage 20a, 20b were close to steel pipe 100 ends.Two direct and 100 liang of end in contact of steel pipe of measuring head 50a, 50b, at two measuring head 50a, 50b with after steel pipe 100 ends contact, preloading spring 41a, 41b are compressed, preloading spring 41a, 41b can guarantee that two measuring head 50a, 50b reliably contact with steel pipe 100 ends, overcome measurement clearance.
Afterbody at each coupling bolt 40a, 40b is connected with displacement transducer 42a, 42b respectively, preloading spring 41a on coupling bolt 40a, 40b, when 41b is compressed, displacement standard transducer 42a, 42b send signal after detecting this compression, and two traversing carriage 20a, 20b are halted.Displacement transducer 42a, 42b can adopt the travel switch of standard.
Halt at two traversing carriage 20a, 20b, after two measuring head 50a, 50b stablize, system reads the reading of laser distance sensor 60, and correction droop, after being the horizontal range and the horizontal range between laser-bounce plate 61 and the measuring head 50b between laser distance sensor 60 and the measuring head 50a, provide the length of steel pipe 100.In the device for measuring length of steel pipe of the present utility model, the horizontal range between horizontal range between laser distance sensor 60 and the measuring head 50a and laser-bounce plate 61 and the measuring head 50b is a definite value.
Fig. 3 is the synoptic diagram of measuring head among Fig. 2, and Fig. 4 is that the A-A of measuring head among Fig. 3 is to cut-open view.Two measuring head 50a, 50b are identical, are that example illustrates its structure with one of them measuring head 50a.Measuring head 50a comprises stationary fixture 51a and pole 52a as shown in the figure, the pole 52a anchor clamps 51a clamping that is fixed, and pass through bolted.Pole 52a is a high abrasion resisting material, is used for and the contacting of steel pipe 100 to be measured.Stationary fixture 51a is provided with slot, is used for being connected by bolt with measurement bay 30a.
After the certain hour use, if find pole 52a wearing and tearing, then the bolt on the stationary fixture 51a can be unscrewed, 52a rotates to an angle with pole, continues to use, and only after all wearing and tearing on all directions, just needs replacing.This has just improved the life-span of measuring head 50a greatly.
Device for measuring length of steel pipe of the present utility model can satisfy the linear measure longimetry of all size different-diameter steel pipe, also can carry out linear measure longimetry to products such as section bar, steel plates.
Claims (5)
1, a kind of device for measuring length of steel pipe is characterized in that, comprising: guide rail, two traversing carriages, two measurement bays, two measuring heads, laser distance sensor and laser-bounce plates; Described two traversing carriages place on the described guide rail, are slidingly connected with described guide rail; Described two measurement bays are connected with described two traversing carriages respectively by coupling bolt; Described two measuring heads are separately fixed on described two measurement bays; Described laser distance sensor is fixed therein on the measurement bay, and described laser-bounce plate is fixed on another measurement bay.
2, device for measuring length of steel pipe as claimed in claim 1 is characterized in that, is provided with preloading spring between described measurement bay and the traversing carriage, and described preloading spring is enclosed within on the coupling bolt that connects described measurement bay and traversing carriage.
3, device for measuring length of steel pipe as claimed in claim 1 is characterized in that, the afterbody of described coupling bolt is connected with displacement transducer.
4, device for measuring length of steel pipe as claimed in claim 1 is characterized in that, described measuring head comprises stationary fixture and pole, and the described pole anchor clamps that are fixed grip.
5, device for measuring length of steel pipe as claimed in claim 4 is characterized in that, described pole is made by high-abrasive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201530753U CN201269746Y (en) | 2008-09-16 | 2008-09-16 | Steel pipe length measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201530753U CN201269746Y (en) | 2008-09-16 | 2008-09-16 | Steel pipe length measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269746Y true CN201269746Y (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201530753U Expired - Fee Related CN201269746Y (en) | 2008-09-16 | 2008-09-16 | Steel pipe length measurement apparatus |
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| CN (1) | CN201269746Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175476A (en) * | 2011-12-26 | 2013-06-26 | 中国科学院沈阳自动化研究所 | Pipe material length automatic measurement devices and measurement method thereof |
| CN103336178A (en) * | 2013-06-05 | 2013-10-02 | 浙江华电器材检测研究所 | A conductor direct current resistance intelligent testing system and a method thereof |
| CN104457584A (en) * | 2014-12-01 | 2015-03-25 | 武钢集团昆明钢铁股份有限公司 | Method for rapidly and accurately measuring specified length of low-cost steel |
| CN105091758A (en) * | 2015-09-28 | 2015-11-25 | 重庆大江工业有限责任公司 | System and method for automatically measuring length of drilling tool |
| CN108333430A (en) * | 2018-04-16 | 2018-07-27 | 德阳微影智能科技有限责任公司 | A kind of full-automatic machine vision copper bar volume resistivity detection device |
| CN109696128A (en) * | 2018-12-17 | 2019-04-30 | 烟台鲁宝钢管有限责任公司 | A kind of modification method for improving steel pipe and surveying long stability |
| CN110108210A (en) * | 2019-04-03 | 2019-08-09 | Oppo（重庆）智能科技有限公司 | A kind of measurement jig |
| CN111089555A (en) * | 2019-12-12 | 2020-05-01 | 江苏理工学院 | Diameter and length detection device of stepped shaft |
| CN111487636A (en) * | 2020-05-22 | 2020-08-04 | 赵峰 | Pipe distance measuring instrument |
| CN112797901A (en) * | 2020-12-28 | 2021-05-14 | 中国石油集团渤海钻探工程有限公司 | Adjustable laser ruler for measuring length of hollow pipe column |
-
2008
- 2008-09-16 CN CNU2008201530753U patent/CN201269746Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175476A (en) * | 2011-12-26 | 2013-06-26 | 中国科学院沈阳自动化研究所 | Pipe material length automatic measurement devices and measurement method thereof |
| CN103336178A (en) * | 2013-06-05 | 2013-10-02 | 浙江华电器材检测研究所 | A conductor direct current resistance intelligent testing system and a method thereof |
| CN103336178B (en) * | 2013-06-05 | 2016-08-17 | 浙江华电器材检测研究所 | Conductor DC resistance intelligent test system and method thereof |
| CN104457584A (en) * | 2014-12-01 | 2015-03-25 | 武钢集团昆明钢铁股份有限公司 | Method for rapidly and accurately measuring specified length of low-cost steel |
| CN105091758A (en) * | 2015-09-28 | 2015-11-25 | 重庆大江工业有限责任公司 | System and method for automatically measuring length of drilling tool |
| CN105091758B (en) * | 2015-09-28 | 2018-04-03 | 重庆大江工业有限责任公司 | A kind of system and method for automatic measurement drilling tool length |
| CN108333430A (en) * | 2018-04-16 | 2018-07-27 | 德阳微影智能科技有限责任公司 | A kind of full-automatic machine vision copper bar volume resistivity detection device |
| CN109696128A (en) * | 2018-12-17 | 2019-04-30 | 烟台鲁宝钢管有限责任公司 | A kind of modification method for improving steel pipe and surveying long stability |
| CN109696128B (en) * | 2018-12-17 | 2020-07-10 | 烟台鲁宝钢管有限责任公司 | Correction method for improving steel pipe length measurement stability |
| CN110108210A (en) * | 2019-04-03 | 2019-08-09 | Oppo（重庆）智能科技有限公司 | A kind of measurement jig |
| CN110108210B (en) * | 2019-04-03 | 2021-07-27 | Oppo（重庆）智能科技有限公司 | Measuring jig |
| CN111089555A (en) * | 2019-12-12 | 2020-05-01 | 江苏理工学院 | Diameter and length detection device of stepped shaft |
| CN111487636A (en) * | 2020-05-22 | 2020-08-04 | 赵峰 | Pipe distance measuring instrument |
| CN112797901A (en) * | 2020-12-28 | 2021-05-14 | 中国石油集团渤海钻探工程有限公司 | Adjustable laser ruler for measuring length of hollow pipe column |
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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: 20090708 Termination date: 20160916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |