CN114749520B - Non-contact detection system for bidirectional straightener - Google Patents
Non-contact detection system for bidirectional straightener Download PDFInfo
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- CN114749520B CN114749520B CN202210422534.8A CN202210422534A CN114749520B CN 114749520 B CN114749520 B CN 114749520B CN 202210422534 A CN202210422534 A CN 202210422534A CN 114749520 B CN114749520 B CN 114749520B
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- laser displacement
- measurement
- displacement sensor
- straightener
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- 238000001514 detection method Methods 0.000 title abstract description 8
- 230000002457 bidirectional effect Effects 0.000 title abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 38
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 31
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 244000126211 Hericium coralloides Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a non-contact detection system for a bidirectional straightener, which comprises a straightener body, wherein a vertical straightening group, a lateral straightening group and a lateral chopping board are arranged on the straightener body, mounting grooves are formed in a pressure head of the vertical straightening group and the lateral chopping board, and a straightness measuring device is arranged in the mounting grooves. The laser displacement sensor is used for realizing multipoint simultaneous measurement of the straightness of the steel rail, the measurement efficiency is high, the measurement range is wide, the laser displacement sensor is used for realizing non-contact measurement, the abrasion problem is avoided, and the measurement precision is high; the straightness measuring device is arranged on the vertical straightening group and the side chopping board; the straightness measurement in the vertical and horizontal directions is realized, the worm gear reducer is driven to rotate through the hand wheel, the rotation of the whole straightness measurement device is realized, and the measurement of steel rails with different types can be realized; through protection device and dust collector, make laser displacement sensor can be suitable for abominable operational environment for working life obtains the extension, reduce cost.
Description
Technical Field
The invention relates to the technical field of railway track detection, in particular to a non-contact type detection system for a bidirectional straightener.
Background
Rails are an important component of a railway line and must have adequate strength, rigidity, wear resistance, etc. Along with the continuous development of high-speed rail industry in China, the speed of a train is faster and faster, and the requirements on the precision of steel rails and the like are higher and higher. In order to ensure the safety and stability of the train in the running process, the straightness of the steel rail must be detected and straightened. The existing rail straightness measurement mode mainly utilizes a caliper to conduct contact measurement manually, and has the problems of being labor-consuming, low in efficiency, large in measurement error and the like. Publication number CN205843531U discloses a device for measuring straightness of elevator guide rail, the device positions the guide rail through the sucking disc to through removing the straightness that the percentage table measured different positions, although easy operation, there is the sucking disc to adsorb inadequately reliably, measuring error is big, and the probe of percentage table can wear, can't realize the multi-point measurement scheduling problem, at present although there is the device that adopts the laser range finder to measure straightness, but fixed arrangement can not realize the measurement straightening of different model rails.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a non-contact detection system for a bidirectional straightener, which solves the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the non-contact detection system for the bidirectional straightener comprises a straightener body, wherein a vertical straightening group, a lateral straightening group and a lateral chopping block are arranged on the straightener body, mounting grooves are formed in a pressure head of the vertical straightening group and the lateral chopping block, and a straightness measuring device is arranged in the mounting grooves;
the straightness measuring device comprises a rotation adjusting device, the rotation adjusting device comprises supports fixed at two ends of the mounting groove, each support is provided with a high-precision shaft through a bearing, two high-precision shafts are fixed with high-precision plates through fixing blocks, the high-precision plates are provided with at least two laser displacement sensors, one support is fixed with a worm gear reducer outside, the high-precision shaft on the support is connected with the output end of the worm gear reducer, and the input end of the worm gear reducer is provided with a hand wheel.
Further limited, the mounting groove department is equipped with protection device, and protection device includes the protective housing of installing on the support through the screw, and the inboard angle equidistance of protective housing is equipped with the bar muscle, on the protective housing with the logical groove has been seted up with laser displacement sensor's corresponding position.
Further limited, still be equipped with dust collector in the mounting groove, dust collector includes the nozzle that is fixed in on the high accuracy board through the support, and the nozzle is followed laser displacement sensor's front side equidistance sets up, and the nozzle passes through the branch pipe and is connected with the trachea that sets up along mounting groove length direction.
Further limited, the middle part of the side wall of the through groove is provided with a shaft support, a stable shaft is rotatably connected to the shaft support, and two ends of the stable shaft are connected with the middle part of the high-precision plate through a fixed block.
Further defined, the laser displacement sensors on each high-precision plate are arranged at equal intervals, two sides of each laser displacement sensor are fixed on one side, far away from the fixed block, of the high-precision plate through the mounting frame, and the laser beam jet opening and the laser beam receiving surface of each laser displacement sensor are located on one side, far away from the high-precision plate.
Further defined, there are three nozzles per high precision plate.
Further defined, the protective shell is spaced from the edge of the mounting groove.
The invention has the following beneficial effects:
(1) The laser displacement sensor is used for realizing multipoint simultaneous measurement of the straightness of the steel rail, the measurement efficiency is high, the measurement range is wide, the laser displacement sensor is used for realizing non-contact measurement, the abrasion problem is avoided, and the measurement precision is high;
(2) The straightness measuring device is arranged on the vertical straightening group and the side chopping board, so that straightness measurement in the vertical and horizontal directions is realized, the worm gear reducer is driven to rotate through the hand wheel, the whole straightness measuring device is rotated, and steel rails of different types can be measured;
(3) Through protection device and dust collector, make laser displacement sensor can be suitable for abominable operational environment for working life obtains the extension, reduce cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a straightness measuring apparatus according to the present invention;
FIG. 3 is a schematic view of the inside of the straightness measuring apparatus according to the present invention;
FIG. 4 is a schematic view of a protective device according to the present invention;
FIG. 5 is a schematic view of a dust collector of the present invention;
FIG. 6 is a schematic diagram of a laser displacement sensor according to the present invention.
In the figure: 1. a straightener body; 11. a vertical straightening group; 12. a lateral straightening group; 13. a side cutting board; 14. a cushion block; 2. a straightness measuring device; 3. a steel rail; 4. a rotation adjustment device; 41. a support; 42. a worm gear reducer; 43. a hand wheel; 44. a high-precision shaft; 45. a bearing; 46. a fixed block; 47. a high-precision plate; 48. a shaft support; 49. a stabilizing shaft; 5. a protection device; 51. a protective shell; 52. bar-shaped ribs; 53. a through groove; 6. a mounting groove; 7. a laser displacement sensor; 71. a laser beam receiving surface; 72. a laser beam jet; 73. a mounting frame; 8. a dust removal device; 81. an air pipe; 82. a branch pipe; 83. a bracket; 84. and (3) a nozzle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, an embodiment of the present invention is provided: the non-contact detection system for the bidirectional straightener comprises a straightener body 1, wherein a vertical straightening group 11, a lateral straightening group 12 and a lateral cutting board 13 are arranged on the straightener body 1, the vertical straightening group 11 and the lateral straightening group 12 are respectively provided with an oil cylinder and a pressure head, a cushion block 14 for placing a steel rail 3 is arranged on a workbench of the straightener body 1, a rectangular mounting groove 6 is formed in one side, close to the workbench, of the top of the lateral cutting board 13 and one side, close to the bottom surface of the pressure head of the vertical straightener, of the straightener body, and a straightness measuring device 2 is arranged in the mounting groove 6;
the straightness measuring device 2 comprises a rotation adjusting device 4, the rotation adjusting device 4 comprises supports 41 which are arranged at two ends of an installation groove 6 through bolts, each support 41 is provided with a high-precision shaft 44 through a bearing 45, two high-precision shafts 44 are fixedly provided with high-precision plates 47 through fixing blocks 46, shaft supports 48 are arranged in the middle of the side walls of the through grooves 53, the shaft supports 48 are rotatably connected with stabilizing shafts 49, two ends of the stabilizing shafts 49 are connected with the middle of the high-precision plates 47 through the fixing blocks 46, the shaft supports 48 are arranged in the middle of the high-precision plates 47, the coaxiality of the whole high-precision plates 47 is improved, the measuring precision is improved, seven laser displacement sensors 7 are equidistantly arranged on the high-precision plates 47 through mounting frames 73, laser beam injection ports 72 and laser beam receiving surfaces 71 of the laser displacement sensors 7 are located on one side far away from the high-precision plates 47, one support 41 is L-shaped, a speed reducer 42 is arranged on each support 41 through bolts, the speed reducer 42 adopts the existing speed reducer, the inside of the existing speed reducer is connected with a worm wheel structure, the high-precision shafts 44 on the support 41 are connected with the worm wheel 42, and the worm wheel 42 is connected with a worm wheel 43.
Specifically, the mounting groove 6 is provided with a protecting device 5, the protecting device 5 is provided with a protecting shell 51 mounted on the support 41 through screws, the inner corners of the protecting shell 51 are equidistantly provided with bar-shaped ribs 52 for increasing the strength of the protecting shell, the protecting shell 51 is provided with through grooves 53 corresponding to the laser displacement sensor 7 for transmitting and receiving light beams of the laser displacement sensor 7, one side of the protecting shell 51, facing the high-precision laser displacement sensor 7, is in a comb tooth shape, each gap is separated by a fixed distance, and a certain distance is reserved between the protecting shell 51 and the edge of the mounting groove 6.
When the laser displacement sensor is used, as shown in fig. 3-5, the line of the laser displacement sensor 7 is fixed on a bar-shaped rib 52 plate in the protective shell 51, the support 41 is installed in the installation groove 6 through screws, the bearing 45 is installed on the support 41, the precision shaft is installed in cooperation with the bearing 45, the protective shell 51 is fixedly installed on the support 41 through screws, the worm gear reducer 42 is installed on the L-shaped support 41, and the direction of the laser displacement sensor 7 can be adjusted by rotating the high-precision plate 47 through the hand wheel 43 by installing the hand wheel 43 on the worm gear reducer 42.
As shown in fig. 3 and 5, the installation groove 6 is further provided with a dust removing device 8, the dust removing device 8 comprises three groups of nozzles 84 fixed on the high-precision plate 47 through a bracket 83, the nozzles 84 are equidistantly arranged along the front side of the laser displacement sensor 7, the nozzles 84 are connected with an air pipe 81 arranged along the length direction of the installation groove 6 through a branch pipe 82, the air pipe 81 is ventilated, and the working surface of the laser displacement sensor 7 can be cleaned by jetting air from the nozzles 84, so that dust, fog and other factors affecting measurement under severe environment are avoided.
When the laser displacement sensor is used, the laser displacement sensor 7 is firstly installed and fixed on the front surface of the high-precision plate 47 by using screws according to the requirements, the fixed block 46 is installed on the back surface of the high-precision plate 47, the high-precision shaft 44 and the stable shaft 49 are installed on the fixed block 46, the shaft support 48 is matched when the stable shaft 49 is installed, the nozzle 84 is installed on the high-precision plate 47 through the bracket 83, the air pipe 81 is connected through the branch pipe 82, the line of the laser displacement sensor 7 is fixed on the strip-shaped rib 52 plate inside the protection shell 51, the support 41 is fixed on the two ends of the installation groove 6, the bearing 45 is installed, the high-precision shaft 44 is matched with the bearing 45, the protection shell 51 is fixedly installed on the support 41 by using screws, the worm gear reducer 42 is installed on the L-shaped support 41, and the hand wheel 43 is installed on the worm gear reducer 42.
Then the steel rail 3 is conveyed to a workbench along a preset track to carry out horizontal measurement, a worker rotates a hand wheel 43 to adjust a proper measurement angle according to the steel rails 3 of different types, the whole straightness measuring device 2 is kept static by utilizing the self-locking effect of a worm gear and a worm in a worm gear reducer 42, a plurality of laser displacement sensors 7 emit laser beams, the worker judges whether the straightness meets the requirement according to the readings of the laser displacement sensors 7, the worker carries out vertical measurement by utilizing the same operation, if the straightness of the steel rail 3 in the horizontal and vertical directions meets the requirement, the steel rail 3 is removed, if the straightness of the steel rail 3 does not meet the requirement, straightening is carried out, the straightness of the steel rail 3 is measured again after straightening, if the straightness meets the requirement, the straightness is removed, and if the straightness does not meet the requirement, the straightening operation is repeated.
The laser displacement sensor 7 is used for realizing the multipoint simultaneous measurement of the straightness of the steel rail 3, the measurement efficiency is high, the measurement range is wide, the laser displacement sensor 7 is used for realizing the non-contact measurement, the abrasion problem is avoided, and the measurement precision is high; the straightness measuring device is arranged on the vertical straightening group 11 and the side chopping board 13; the straightness measurement in the vertical and horizontal directions is realized, the worm gear reducer 42 is driven to rotate through the hand wheel 43, the rotation of the whole straightness measurement device 2 is realized, and the measurement of steel rails 3 with different types can be realized; through protection device 5 and dust collector 8, make laser displacement sensor 7 can be suitable for abominable operational environment for working life obtains the extension, reduce cost.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A non-contact detecting system for two-way straightener, includes the straightener organism, is equipped with vertical straightening group, side direction straightening group and side chopping block on the straightener organism, its characterized in that: the pressure head and the side chopping boards of the vertical straightening group are respectively provided with a mounting groove, and a straightness measuring device is arranged in each mounting groove;
the straightness measuring device comprises a rotation adjusting device, wherein the rotation adjusting device comprises supports fixed at two ends of the mounting groove, each support is provided with a high-precision shaft through a bearing, two high-precision shafts are fixed with high-precision plates through fixing blocks, the high-precision plates are provided with at least two laser displacement sensors, one support is fixed with a worm reducer at the outer side, the high-precision shaft on the support is connected with the output end of the worm reducer, and the input end of the worm reducer is provided with a hand wheel;
the mounting groove is provided with a protection device, the protection device comprises a protection shell which is mounted on the support through screws, bar-shaped ribs are arranged at equal intervals on the inner corners of the protection shell, and a through groove is formed in the protection shell and corresponds to the laser displacement sensor;
the installation groove is internally provided with a dust removing device, the dust removing device comprises nozzles fixed on the high-precision plate through a bracket, the nozzles are arranged at equal intervals along the front side of the laser displacement sensor, and the nozzles are connected with air pipes arranged along the length direction of the installation groove through branch pipes.
2. The non-contact type detecting system for a two-way straightener according to claim 1, wherein: the middle part of the side wall of the through groove is provided with a shaft support, a stable shaft is rotatably connected to the shaft support, and two ends of the stable shaft are connected with the middle part of the high-precision plate through a fixed block.
3. The non-contact type detecting system for a two-way straightener according to claim 2, characterized in that: the laser displacement sensors on each high-precision plate are arranged at equal intervals, two sides of each laser displacement sensor are fixed on one side, far away from the fixed block, of the high-precision plate through the mounting frame, and the laser beam jet opening and the laser beam receiving surface of each laser displacement sensor are located on one side, far away from the high-precision plate.
4. A non-contact type inspection system for a bi-directional straightener according to claim 3, characterized in that: three nozzles are arranged on each high-precision plate.
5. The non-contact type detecting system for a two-way straightener according to claim 4, wherein: and a gap is reserved between the protective shell and the edge of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210422534.8A CN114749520B (en) | 2022-04-21 | 2022-04-21 | Non-contact detection system for bidirectional straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210422534.8A CN114749520B (en) | 2022-04-21 | 2022-04-21 | Non-contact detection system for bidirectional straightener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114749520A CN114749520A (en) | 2022-07-15 |
| CN114749520B true CN114749520B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210422534.8A Active CN114749520B (en) | 2022-04-21 | 2022-04-21 | Non-contact detection system for bidirectional straightener |
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|---|---|---|---|---|
| DE19706622A1 (en) * | 1997-02-20 | 1998-08-27 | Siempelkamp Pressen Sys Gmbh | Straightening machine, especially for steel beams made from sheet metal |
| CN201552210U (en) * | 2009-07-03 | 2010-08-18 | 成都莱克冶金机械设备制造有限公司 | Horizontal pressure straightening machine |
| CN203541171U (en) * | 2013-09-25 | 2014-04-16 | 常州东方高精新材料股份有限公司 | Elevator guide rail bend full-automatic straightener |
| CN204495288U (en) * | 2015-04-13 | 2015-07-22 | 晋中市纺织机械产品质量监督检验中心 | A kind of roller substructure height size detecting device |
| CN211668449U (en) * | 2019-11-28 | 2020-10-13 | 北京金自天正智能控制股份有限公司 | High-precision profile detection device for steel rail |
| CN113847899A (en) * | 2021-08-04 | 2021-12-28 | 丽水学院 | Two-dimensional straightness detecting and straightening device of rolling linear guide rail |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010014384A1 (en) * | 2010-04-06 | 2011-10-06 | Wafios Ag | Straightening and cutting machine |
| CN104707880B (en) * | 2015-03-13 | 2016-06-29 | 武汉大学 | A kind of truck drive shaft circle glitch detection and collimating system and method |
| US10300517B2 (en) * | 2016-09-19 | 2019-05-28 | Wamaco, Llc | Pipe end straightener |
| CN107747909B (en) * | 2017-08-17 | 2024-01-09 | 韶关学院 | Device for online measurement of negative clearance during riveting assembly of hub bearing unit |
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2022
- 2022-04-21 CN CN202210422534.8A patent/CN114749520B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19706622A1 (en) * | 1997-02-20 | 1998-08-27 | Siempelkamp Pressen Sys Gmbh | Straightening machine, especially for steel beams made from sheet metal |
| CN201552210U (en) * | 2009-07-03 | 2010-08-18 | 成都莱克冶金机械设备制造有限公司 | Horizontal pressure straightening machine |
| CN203541171U (en) * | 2013-09-25 | 2014-04-16 | 常州东方高精新材料股份有限公司 | Elevator guide rail bend full-automatic straightener |
| CN204495288U (en) * | 2015-04-13 | 2015-07-22 | 晋中市纺织机械产品质量监督检验中心 | A kind of roller substructure height size detecting device |
| CN211668449U (en) * | 2019-11-28 | 2020-10-13 | 北京金自天正智能控制股份有限公司 | High-precision profile detection device for steel rail |
| CN113847899A (en) * | 2021-08-04 | 2021-12-28 | 丽水学院 | Two-dimensional straightness detecting and straightening device of rolling linear guide rail |
Non-Patent Citations (1)
| Title |
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| 一种大型龙门自走式压力矫直机;王仕杰等;重型机械(第06期);第23-26页 * |
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| CN114749520A (en) | 2022-07-15 |
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