CN110243313B - Straightness detection tool and straightness detection method - Google Patents
Straightness detection tool and straightness detection method Download PDFInfo
- Publication number
- CN110243313B CN110243313B CN201910444063.9A CN201910444063A CN110243313B CN 110243313 B CN110243313 B CN 110243313B CN 201910444063 A CN201910444063 A CN 201910444063A CN 110243313 B CN110243313 B CN 110243313B
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- wire
- column
- groove
- box body
- laser
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000003860 storage Methods 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a straightness detection tool and a straightness detection method. The laser emission device comprises a laser emitter, a storage battery and a controller which are electrically connected, wherein the laser emitter is arranged on an emission column, and the emission column can be recycled and placed in the emission column storage groove. The wire pendant system is placed in the wire pendant system placing groove, and the groove comprises a hanging column containing groove, a wire collecting groove and a wire pendant containing groove which are communicated from top to bottom. When the tool is used, the perpendicularity of the tool is detected by using the line drop, and then the straightness and levelness of the workpiece are detected by using the distance between the laser and the surface of the workpiece. The straightness of the bottom beam can be detected, and meanwhile, whether the bottom beam is in a horizontal state or not can be detected, so that the method is convenient and quick; all detection structures are retracted into the groove, so that the protection effect is achieved, the whole is attractive, and the portable device is convenient to carry.
Description
Technical Field
The invention is applied to the field of detection, is suitable for detecting the straightness of a long workpiece, and particularly relates to a straightness and levelness detection method.
Background
When the semitrailer frame is processed and manufactured or the old vehicle is transformed and reused, the straightness and levelness of the bottom beam of the semitrailer frame need to be detected. The integral straightness of the bottom beam is required to be high, and the bottom beam is required to be horizontally installed when in use, so that the frame is convenient to fix the transport and loading structure at the upper part of the frame. Generally, the length of the square cold-formed hollow steel frame bottom beam is between 10 and 12 meters, and the straightness of the total length is not more than 5mm.
The natural gas hydraulic substation high-pressure gas long pipe semitrailer, the tube bundle container and the station gas storage cylinder group are assembled by a plurality of large-volume steel gas cylinders, and are used for mobile transportation or fixed storage of compressed natural gas equipment. The production and manufacture of the single gas cylinder are completed through a plurality of working procedures, such as spinning closing, heat treatment, external polishing, bottleneck processing, magnetic powder inspection, water pressure test, airtight, ultrasonic inspection, internal spraying and spraying. The bottle body raw material adopts a seamless steel tube of high-quality chromium molybdenum steel 30CrMoE or 4130X. The storage bottle of the high-volume high-pressure gas station meets the requirement of Q/XNGQP01-2018, and the straightness requirement of the raw material seamless steel pipe is not more than 1/1000 of the total length and not more than 5mm. The straightness of the raw material seamless steel pipe of the large-volume steel seamless gas cylinder specified in the standard GB/T33145-2016 is not more than 0.15% of the total length.
Therefore, in the manufacture of natural gas storage and transportation equipment, the straightness detection is conventional detection and has high frequency, and in order to realize quick straightness measurement, the application provides a straightness measuring instrument and a detection method adopting the straightness measuring instrument.
Disclosure of Invention
The invention solves the technical problems that: the straightness detection tool and the straightness detection method can be used for accurately detecting straightness and levelness, and are simple, convenient, fast in detection speed and high in efficiency.
The technical scheme adopted by the invention is as follows: the straightness detection tool is of a box structure and comprises a box fixing system, a laser emitting device and a line drop system, wherein the box fixing system comprises fixed magnets and electromagnets which are uniformly distributed on a rear plate in a box. The laser emission device comprises an emission column, a storage battery and a controller. The transmitting column is arranged on the top surface of the box body, the storage battery is arranged in the box body, and the controller is arranged on the top surface or the side surface of the box body. A laser transmitter is arranged on the front surface of the top end of the transmitting column, the laser transmitter is electrically connected with a controller and a storage battery, meanwhile, the controller is electrically connected with the storage battery and an electromagnet, and the controller can control the power on and off of the laser transmitter and the electromagnet. The wire pendant system is placed in a wire pendant system placing groove on the side face of the box body and comprises a connecting wire, a wire pendant and a hanging column, one end of the connecting wire is connected to the wire pendant, and the other end of the connecting wire is connected to the hanging column. And a vertical calibration line is designed on the side surface below the wire falling system placing groove. For protecting laser emitter, the rotatable recovery of launching column is placed in the launching column storage tank of box top surface, installs positioning magnet in the bottom of launching column storage tank, and at launching column side and positioning magnet assorted position, fixed mounting has the iron sheet, and positioning magnet adsorbs the iron sheet and can realize the fixed of launching column. The wire drop system placing groove comprises a hanging column containing groove, a wire collecting groove and a wire drop containing groove which are communicated from top to bottom. The support frame and the limiting block are fixedly installed in the hanging column storage groove, the support frame is hinged with the hanging column, and the limiting block can position the hanging column to be horizontal. And a wire collecting frame is arranged in the wire collecting groove and used for placing the connecting wires. A wire pendant mounting rack is arranged on the upper portion of the wire pendant storage groove, a clamping groove is arranged on the wire pendant mounting rack, a fixing block is arranged at the bottom of the wire pendant storage groove, and the fixing block and the clamping groove are used for fixing the wire pendant together.
The detection method adopting the straightness detection tool comprises the following steps: 1) The rotary transmitting column is erected from the transmitting column accommodating groove; 2) The detection tool is adsorbed on a bracket or a supporting leg by a fixed magnet; 3) Extending the suspension column to freely put down the wire bob; 4) The position of the detection tool is adjusted, so that a freely vertical connecting line is overlapped with a vertical calibration line; 5) Switching on an electromagnet power supply, and firmly adsorbing the detection tool on a bracket or a supporting leg; 6) Switching on a laser emitter power supply; 7) The distance between the laser and the surface of the workpiece is detected.
The beneficial effects of the invention are as follows: the tool can detect whether the bottom beam is in a horizontal state or not while detecting the straightness of the bottom beam, and can detect the straightness of tubular pieces in batches, so that the tool is convenient and quick. The tool is positioned through the fixed magnet and the electromagnet, and is convenient to install and detach. The utility model discloses a transmission post is received in the groove with the transmission post, will hang post, connecting wire and line weight and receive the groove with hanging post, receive wire casing and line weight and accomodate the groove respectively, play the guard action, whole pleasing to the eye, convenient to carry.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic rear view of the present invention;
FIG. 3 is a schematic diagram of a wire-drop system placement tank;
FIG. 4 is a schematic view of a structure of a wire-weight accommodating groove;
FIG. 5 is a schematic diagram of a method of inspecting a frame sill;
FIG. 6 is a schematic diagram of a tubular inspection method;
wherein: 1-iron sheet, 2-laser emitter, 3-conversion strip, 4-emission post, 5-controller, 6-box, 7-location magnet, 8-emission post storage tank, 9-suspension post storage tank, 10-receipts wire casing, 11-line weight storage tank, 12-battery, 13-fixed magnet, 14-electro-magnet, 15-suspension post, 16-support frame, 17-stopper, 18-receipts wire frame, 19-connecting wire, 20-line weight mounting bracket, 21-line weight, 22-fixed block, 23-line weight mounting block, 24-draw-in groove, 25-vertical alignment line, 101-leg, 102-detection fixture, 103-frame bottom beam, 104-riding wheel, 105-bracket, 106-tubular piece.
Detailed Description
Fig. 1 is a schematic diagram of a main view structure of the invention, and the straightness detection tool is a box structure and comprises a box fixing system, a laser emitting device and a line drop system. With the laser emitting surface as the front surface, the fixing system is located at the rear of the box 6, and includes a fixed magnet 13 and an electromagnet 14 on the rear plate in the box 6, as shown in fig. 2.
In fig. 1, the laser emitting device includes an emitting post 4, an emitting post receiving groove 8, a storage battery 12, and a controller 5, the emitting post 4 and the emitting post receiving groove 8 are located on the top surface of the case 6, and the emitting post 4 can be placed in the emitting post receiving groove 8. A positioning magnet 7 is mounted at the bottom of the emission column storage groove 8. The laser emitter 2 is openly installed on the top of launching column 4, and the bottom is articulated with box 6 in launching column storage tank 8, and there is iron sheet 1 in launching column 4 side and positioning magnet 7 assorted position fixed mounting, and when launching column 4 rotated and received into launching column storage tank 8, positioning magnet 7 adsorbed iron sheet 1, realizes the effect of fixed launching column 4. The conversion strip 3 is fixedly arranged on the side surface of the emission column 4 opposite to the iron sheet 1, the conversion strip 3 is L-shaped, the conversion strip 3 is pulled, and the emission column 4 is vertically erected in a rotary mode from the emission column accommodating groove 8. The storage battery 12 is arranged in the box body 6, the controller 5 is arranged at a position which is convenient to operate on the top surface or the side surface of the box body 6, the laser transmitter 2 and the controller 5 are electrically connected with the storage battery 12, and the laser transmitter 2 can transmit laser or close the laser by switching on and switching off the controller 5.
The electromagnet 14 is electrically connected with the controller 5 and the storage battery 12, and the controller 5 can control the on-off of the electromagnet 14 to realize the adsorption and fixation of the box body 6.
As shown in fig. 3, the string drop system includes a connecting string 19, a string drop 21, and a suspension post 15, wherein one end of the connecting string 19 is connected to a fixed block 22 at the upper portion of the string drop 21, and one end is connected to the suspension post 15. Two sides of the box body 6 are provided with a wire pendant system placing groove in which the wire pendant system is placed. The wire pendant system placing groove comprises a hanging column containing groove 9, a wire collecting groove 10 and a wire pendant containing groove 11 which are communicated from top to bottom. The hanging column containing groove 9 is internally and fixedly provided with a supporting frame 16 and a limiting block 17, the hanging column 15 is hinged with the supporting frame 16, the hanging column 15 is rotated, the limiting block 17 positions the hanging column 15 to be horizontal, and a connecting line 19 extends out of the side face of the box body 6 and clings to the side face of the box body 6. A wire collecting frame 18 is installed in the wire collecting groove 10 and is used for placing a connecting wire 19. The upper part of the wire pendant accommodating groove 11 is fixedly provided with a wire pendant mounting frame 20, and as shown in fig. 4, a clamping groove 24 is designed on the wire pendant mounting frame 20, and a fixing block 22 at the upper part of the wire pendant 21 can be inserted into the clamping groove 24. A fixing block 22 is installed at the bottom of the wire bob receiving groove 11, and the fixing block 22 is made of rubber, and its shape and size are matched with those of the wire bob 21. The fixing block 22 and the clamping groove 24 together realize the fixation of the wire weight 21.
On the side of the lower box 6 of the drop system placement tank, a vertical calibration line 25 is designed. When the wire weight 21 is freely suspended vertically, the levelness of the frame is detected by the parallelism or the overlap between the vertical calibration wire 25 and the connecting wire 19 which is closely attached to the side of the box.
When the straightness detection tool is used, as shown in fig. 5, the conversion bar 3 is pulled, the rotary transmitting column 4 is erected from the transmitting column accommodating groove 8, the box body 6 is adsorbed on the vertical supporting leg 101 at the lower part of the frame by the fixed magnet 13, the laser transmitter 2 is tightly attached to the frame bottom beam 103, the hanging column 15 is pulled and stretched out, the wire weight 21 is freely put down, the position of the detection tool 102 is adjusted, the free vertical connecting wire 19 is overlapped with the vertical calibration wire 25, the electromagnet 14 is connected, the detection tool 102 is firmly adsorbed on the supporting leg 101, then the laser transmitter 2 is connected, at the moment, the laser is horizontal, the distance between the laser and the frame bottom beam 103 is detected by the steel ruler or other measuring tools, and the straightness and levelness of the frame bottom beam 103 can be detected. After the detection, the laser transmitter 2 is powered off, the wire plummet 21 and the connecting wire 19 are retracted, the electromagnet 14 is powered off, the detection tool 102 is taken down, and the rotary transmitting column 4 is rotated back into the transmitting column accommodating groove 8.
For seamless steel pipes with phi 559 mm/phi 711mm 30CrMoE or 4130X and steel cylinder straight sections after hot working, straightness detection can also be performed by adopting the detection tool 102, and the steps are similar to that of frame bottom beam detection as shown in figure 6. 1) The rotary launching column 4 is erected from the launching column accommodating groove 8; 2) The case 6 is attracted to the bracket 105 by the fixed magnet 13; 3) Extending the suspension post 15 to freely put down the wire bob 21; 4) The position of the detection tool 102 is adjusted, so that the freely vertical connecting line 19 is overlapped with the vertical calibration line 25; 5) Switching on the power supply of the electromagnet 14 to firmly adsorb the detection tool 102 on the bracket 105; 6) Switching on the power supply of the laser emitter 2; 7) Detecting the distance of the laser from the tubular member 106; 8) The straightness of the tubular member 106 is detected at the rotation changing position of the riding wheel 104.
The tool can detect whether the bottom beam is in a horizontal state or not when detecting the straightness of the bottom beam, and is convenient and fast. For the tubular parts with the same specification, the tool can be used for batch detection, and is convenient and rapid. The tool is roughly positioned through the fixed magnet 13, then is firmly fixed through the electromagnet 14, and is convenient to install and detach. The utility model discloses a can withdraw the launching column 4 to launching column and accomodate in the groove 8, hang post 15, connecting wire 19 and line weight 21 and retrieve respectively to hang in the post accomodate groove 9, receipts wire casing 10 and the line weight accomodate groove 11, play the guard action, whole pleasing to the eye, convenient to carry.
Claims (2)
1. Straightness accuracy detects frock, for box structure, its characterized in that: comprises a box body fixing system, a laser emitting device and a line drop system;
the box body fixing system comprises a fixed magnet (13) and an electromagnet (14), wherein the fixed magnet (13) and the electromagnet (14) are uniformly distributed on a rear plate in the box body (6);
the laser emission device comprises an emission column (4) arranged on the top surface of the box body (6), a storage battery (12) arranged in the box body (6) and a controller (5) arranged on the top surface or the side surface of the box body (6), wherein a laser emitter (2) is arranged on the front surface of the top end of the emission column (4), and the laser emitter (2) is electrically connected with the controller (5) and the storage battery (12); the controller (5) is electrically connected with the storage battery (12) and the electromagnet (14);
the transmitting column (4) can be placed in a transmitting column accommodating groove (8) on the top surface of the box body (6), a positioning magnet (7) is arranged at the bottom of the transmitting column accommodating groove (8), and an iron sheet (1) is fixedly arranged at a position, matched with the positioning magnet (7), of the side surface of the transmitting column (4);
the wire pendant system comprises a connecting wire (19), a wire pendant (21) and a hanging column (15), wherein one end of the connecting wire (19) is connected with the wire pendant (21), and the other end is connected with the hanging column (15); the line drop system is placed in a line drop system placing groove on the side surface of the box body, and a vertical calibration line (25) is designed on the side surface below the line drop system placing groove;
the wire drop system placing groove comprises a hanging column accommodating groove (9), a wire collecting groove (10) and a wire drop accommodating groove (11) which are communicated from top to bottom;
a supporting frame (16) and a limiting block (17) are fixedly arranged in the hanging column accommodating groove (9), the supporting frame (16) is hinged with the hanging column (15), and the limiting block (17) is used for positioning the hanging column (15) to be horizontal;
a wire collecting frame (18) is arranged in the wire collecting groove (10);
the wire sinker is characterized in that a wire sinker mounting frame (20) is fixedly mounted on the upper portion of the wire sinker storage groove (11), a clamping groove (24) is formed in the wire sinker mounting frame (20), a fixing block (22) is mounted at the bottom of the wire sinker storage groove (11), and the clamping groove (24) and the fixing block (22) can fix the wire sinker (21).
2. The detection method using the straightness detection tool as claimed in claim 1, comprising the steps of: 1) The rotary launching column (4) is erected from the launching column accommodating groove (8); 2) The detection tool (102) is adsorbed on a bracket (105) or a supporting leg (101) by a fixed magnet (13); 3) Extending out of the suspension column (15) to freely put down the wire sinker (21); 4) The position of the detection tool (102) is adjusted, so that a freely vertical connecting line (19) is overlapped with a vertical calibration line (25); 5) Switching on the power supply of the electromagnet (14) to firmly adsorb the detection tool (102) on the bracket (105) or the supporting leg (101); 6) Switching on a power supply of the laser transmitter (2); 7) The distance between the laser and the surface of the workpiece is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910444063.9A CN110243313B (en) | 2019-05-27 | 2019-05-27 | Straightness detection tool and straightness detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910444063.9A CN110243313B (en) | 2019-05-27 | 2019-05-27 | Straightness detection tool and straightness detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110243313A CN110243313A (en) | 2019-09-17 |
| CN110243313B true CN110243313B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910444063.9A Active CN110243313B (en) | 2019-05-27 | 2019-05-27 | Straightness detection tool and straightness detection method |
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| Country | Link |
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| CN (1) | CN110243313B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111335585B (en) * | 2020-03-07 | 2021-07-30 | 夏建秋 | Device is applied paint with a brush to warning line on workshop ground |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002206926A (en) * | 2001-01-11 | 2002-07-26 | Takara Giken Kk | Indicator for horizontality and verticality |
| CN104976992A (en) * | 2015-06-29 | 2015-10-14 | 江苏建筑职业技术学院 | High-rising building verticality control device and application method thereof |
| CN204988276U (en) * | 2015-09-23 | 2016-01-20 | 中国核工业华兴建设有限公司 | Laser is perpendicular / horizontal measuring device |
| CN207074062U (en) * | 2017-08-30 | 2018-03-06 | 徐震 | Construction is fallen with line |
| CN208688511U (en) * | 2018-09-25 | 2019-04-02 | 陕西北辰人防设备设施检测有限公司 | Magnetic line of force pendant |
| CN208704756U (en) * | 2018-09-06 | 2019-04-05 | 北京华城建设监理有限责任公司 | A kind of measurement component verticality is fallen with line |
| CN210221090U (en) * | 2019-05-27 | 2020-03-31 | 新兴能源装备股份有限公司 | Frame floorbar detects frock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8076923B2 (en) * | 2008-05-23 | 2011-12-13 | Consolidated Edison Company Of New York, Inc. | Dead-line phase identification system and method thereof |
-
2019
- 2019-05-27 CN CN201910444063.9A patent/CN110243313B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002206926A (en) * | 2001-01-11 | 2002-07-26 | Takara Giken Kk | Indicator for horizontality and verticality |
| CN104976992A (en) * | 2015-06-29 | 2015-10-14 | 江苏建筑职业技术学院 | High-rising building verticality control device and application method thereof |
| CN204988276U (en) * | 2015-09-23 | 2016-01-20 | 中国核工业华兴建设有限公司 | Laser is perpendicular / horizontal measuring device |
| CN207074062U (en) * | 2017-08-30 | 2018-03-06 | 徐震 | Construction is fallen with line |
| CN208704756U (en) * | 2018-09-06 | 2019-04-05 | 北京华城建设监理有限责任公司 | A kind of measurement component verticality is fallen with line |
| CN208688511U (en) * | 2018-09-25 | 2019-04-02 | 陕西北辰人防设备设施检测有限公司 | Magnetic line of force pendant |
| CN210221090U (en) * | 2019-05-27 | 2020-03-31 | 新兴能源装备股份有限公司 | Frame floorbar detects frock |
Non-Patent Citations (1)
| Title |
|---|
| 一种新型测垂仪在模板垂直度检测中的应用;朱显荣;;陕西建筑(第04期);全文 * |
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| CN110243313A (en) | 2019-09-17 |
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