CN114749520A - Non-contact detection system for bidirectional straightener - Google Patents
Non-contact detection system for bidirectional straightener Download PDFInfo
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- CN114749520A CN114749520A CN202210422534.8A CN202210422534A CN114749520A CN 114749520 A CN114749520 A CN 114749520A CN 202210422534 A CN202210422534 A CN 202210422534A CN 114749520 A CN114749520 A CN 114749520A
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- laser displacement
- displacement sensor
- measurement
- straightness
- straightener
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- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 title abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 239000000428 dust Substances 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 27
- 229910000831 Steel Inorganic materials 0.000 abstract description 20
- 239000010959 steel Substances 0.000 abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 abstract description 14
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 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
- 238000010586 diagram Methods 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
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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- 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 straightening machine, which comprises a straightening machine body, wherein a vertical straightening group, a lateral straightening group and a lateral cutting board are arranged on the straightening machine body, a pressure head of the vertical straightening group and the lateral cutting board are respectively provided with a mounting groove, and a straightness measuring device is mounted in the mounting grooves. The laser displacement sensor is used for realizing the 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 the non-contact measurement, the abrasion problem does not exist, and the measurement precision is high; the straightness measuring devices are arranged on the vertical straightening group and the side cutting boards; the straightness measurement in the vertical direction and the horizontal direction is realized, the worm reducer is driven to rotate through the hand wheel, the rotation of the whole straightness measurement device is realized, and the measurement can be carried out on steel rails of different types; through protection device and dust collector, make laser displacement sensor can be suitable for more abominable operational environment for working life obtains prolonging, reduce cost.
Description
Technical Field
The invention relates to the technical field of railway track detection, in particular to a non-contact detection system for a bidirectional straightener.
Background
Rails are important components of railway lines and must have sufficient strength, stiffness, wear resistance, etc. 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 and the like of a steel rail are higher and higher. In order to ensure the safety and the stability of the train in the running process, the straightness of the steel rail must be detected and straightened. The existing steel rail straightness measuring mode mainly adopts a caliper to manually carry out contact measurement, and has the problems of high labor and time consumption, low efficiency, large measuring error and the like. Publication No. CN205843531U discloses a device for measuring straightness of elevator guide rails, the device fixes a position the guide rail through a sucker, and measures the straightness of different positions through moving a dial indicator, although the operation is simple, the problems that the sucker adsorption is not reliable enough, the measurement error is large, the probe of the dial indicator is worn, multi-point measurement cannot be realized, and the like exist.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a non-contact detection system for a two-way straightener, which solves the problems in the background art.
In order to realize the purpose, the invention is realized by the following technical scheme: a non-contact detection system for a bidirectional straightener comprises a straightener body, wherein a vertical straightening group, a lateral straightening group and a lateral chopping board are arranged on the straightener body, a pressure head of the vertical straightening group and the lateral chopping board are respectively provided with a mounting groove, and a straightness measuring device is mounted in each mounting groove;
straightness accuracy measuring device is including rotating adjusting device, rotates adjusting device including being fixed in the support at mounting groove both ends all installs the high accuracy axle through the bearing on every support, and two high accuracy epaxial fixed high accuracy boards through the fixed block that are fixed with install on the high accuracy board and be no less than two laser displacement sensor, and one of them support outside is fixed with the worm gear reduction gear, and the high accuracy axle on this support is connected with the output of worm gear reduction gear, and the input of worm gear reduction gear is equipped with the hand wheel.
Further inject, mounting groove department is equipped with protection device, and protection device includes and installs the protective housing on the support through the screw, and the internal side angle equidistance of protective housing is equipped with the bar muscle, on the protective housing with laser displacement sensor's corresponding position has seted up logical groove.
Further inject, still be equipped with dust collector in the mounting groove, dust collector includes and is fixed in the nozzle 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 inject, it has the axle to lead to the mid-mounting of groove lateral wall and support, and the axle supports upward rotatable coupling has the steady axle, and the both ends of steady axle are passed through the fixed block and are connected with the middle part of high accuracy board.
Further inject, the laser displacement sensor equidistance is arranged on every high accuracy board, and the both sides of laser displacement sensor are fixed in the one side that the fixed block was kept away from to the high accuracy board through the mounting bracket, and laser beam injection mouth and the laser beam receiving face of laser displacement sensor are located the one side of keeping away from the high accuracy board.
Further defined, three nozzles are arranged on each high-precision plate.
Further defined, the protective shell leaves a gap from the edge of the mounting groove.
The invention has the following beneficial effects:
(1) the laser displacement sensor is used for realizing the 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 the non-contact measurement, the abrasion problem does not exist, and the measurement precision is high;
(2) The straightness measuring devices are arranged on the vertical straightening group and the side cutting boards, so that straightness in the vertical direction and the horizontal direction can be measured, the worm gear reducer is driven to rotate through the hand wheel, the rotation of the whole straightness measuring device is realized, and different types of steel rails can be measured;
(3) through protection device and dust collector, make laser displacement sensor can be suitable for more abominable operational environment for working life obtains prolonging, reduce cost.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of a straightness measuring device of the present invention;
FIG. 3 is an internal schematic view of the straightness measuring device of the present invention;
FIG. 4 is a schematic view of a protection device according to the present invention;
FIG. 5 is a schematic view of a dust removing apparatus according to the present invention;
fig. 6 is a schematic diagram of a laser displacement sensor according to the present invention.
In the figure: 1. a straightening machine body; 11. a vertical straightening group; 12. a lateral straightening group; 13. a side chopping board; 14. cushion blocks; 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. a bar-shaped rib; 53. a through groove; 6. mounting grooves; 7. a laser displacement sensor; 71. a laser beam receiving surface; 72. a laser beam injection port; 73. a mounting frame; 8. a dust removal device; 81. an air tube; 82. a branch pipe; 83. a support; 84. and (4) a nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: a non-contact detection system for a bidirectional straightener comprises a straightener body 1, wherein a vertical straightening group 11, a lateral straightening group 12 and a side 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, rectangular mounting grooves 6 are respectively formed in one side of the top of the side cutting board 13 close to the workbench and one side of the bottom surface of the pressure head of the vertical straightener, and a straightness measuring device 2 is mounted in each mounting groove 6;
wherein, the linearity measuring device 2 comprises a rotation adjusting device 4, the rotation adjusting device 4 comprises support bases 41 which are arranged at two ends of a mounting groove 6 through bolts, each support base 41 is provided with a high-precision shaft 44 through a bearing 45, two high-precision shafts 44 are fixed with a high-precision plate 47 through fixing blocks 46, the middle part of the side wall of a through groove 53 is provided with a shaft support 48, the shaft support 48 is rotatably connected with a stabilizing shaft 49, two ends of the stabilizing shaft 49 are connected with the middle part of the high-precision plate 47 through the fixing blocks 46, the shaft support 48 is arranged in the middle part of the high-precision plate 47, the coaxiality of the whole high-precision plate 47 is improved, the measuring precision is improved, seven laser displacement sensors 7 are arranged on the high-precision plate 47 at equal intervals through mounting frames 73, a laser beam emitting port 72 and a laser beam receiving surface 71 of each laser displacement sensor 7 are positioned at one side far away from the high-precision plate 47, one support base 41 is L-shaped, a worm gear reducer 42 is installed on the support through a screw, the worm gear reducer 42 is an existing reducer and is of a worm gear structure, a high-precision shaft 44 on the support 41 is connected with a worm gear of the worm gear reducer 42, and a hand wheel 43 is connected to a worm of the worm gear reducer 42.
Specifically, the protection device 5 is arranged at the mounting groove 6, the protection device 5 is a protection shell 51 which is mounted on the support 41 through screws, bar-shaped ribs 52 are arranged at the inner corners of the protection shell 51 at equal intervals and used for increasing the strength of the protection shell, a through groove 53 is formed in the protection shell 51 corresponding to the laser displacement sensor 7 and used for transmitting and receiving light beams of the laser displacement sensor 7, the protection shell 51 faces to the working side of the high-precision laser displacement sensor 7 and is in a comb tooth shape, each gap is separated by a fixed distance, and a certain distance is reserved between the protection shell 51 and the edge of the mounting groove 6.
As shown in fig. 3 to 5, in use, the line of the laser displacement sensor 7 is fixed on the bar-shaped rib 52 plate inside the protective housing 51, the support 41 is installed in the installation groove 6 by screws, the bearing 45 is installed on the support 41, the precision shaft is installed in cooperation with the bearing 45, the protective housing 51 is fixedly installed on the support 41 by screws, the worm gear reducer 42 is installed on the L-shaped support 41, and the hand wheel 43 installed on the worm gear reducer 42 drives the high-precision plate 47 to rotate by the rotation of the hand wheel 43, so that the orientation of the laser displacement sensor 7 can be adjusted.
As shown in fig. 3 and 5, a dust removing device 8 is further arranged in the mounting groove 6, the dust removing device 8 comprises three groups of nozzles 84 fixed on the high-precision plate 47 through a support 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 mounting groove 6 through a branch pipe 82, air is supplied to the air pipe 81, air is sprayed out from the nozzles 84 to clean the working surface of the laser displacement sensor 7, and influence on measurement factors such as dust and fog in severe environments is avoided.
When the device is used, firstly, the laser displacement sensor 7 is installed and fixed on the front surface of the high-precision plate 47 by using screws according to requirements, the fixing block 46 is installed on the back surface of the high-precision plate 47, the high-precision shaft 44 and the stabilizing shaft 49 are installed on the fixing block 46, the shaft support 48 is matched when the stabilizing 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 wire of the laser displacement sensor 7 is fixed on the strip-shaped rib 52 plate in the protective shell 51, the support 41 is fixed on two ends of the installation groove 6, the bearing 45 is installed, the high-precision shaft 44 is installed with the bearing 45 in a matching way, the protective shell 51 is fixedly installed on the support 41 by using screws, the worm reducer 42 is installed on the L-shaped support 41, and the hand wheel 43 is installed on the worm reducer 42.
Then the steel rail 3 is conveyed to a workbench along a preset track to be measured in the horizontal direction, according to different types of steel rails 3, a worker rotates a hand wheel 43 to adjust a proper measurement angle, the self-locking function of a worm gear in a worm gear reducer 42 is utilized, the whole straightness measuring device 2 keeps static, a plurality of laser displacement sensors 7 emit laser beams, the worker judges whether the straightness meets requirements or not according to the reading of the laser displacement sensors 7, the vertical direction measurement is carried out by utilizing the same operation, if the straightness of the steel rail 3 in the horizontal direction and the vertical direction meets the requirements, the steel rail 3 is removed, if the straightness of the steel rail 3 does not meet the requirements, straightening is carried out, the straightness of the steel rail 3 is measured again after the straightening, if the straightness of the steel rail 3 meets the requirements, the steel rail is removed, and if the straightness of the steel rail 3 does not meet the requirements, 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 non-contact measurement, the abrasion problem does not exist, and the measurement precision is high; a straightness measuring device is arranged on the vertical straightening group 11 and the side cutting board 13; the straightness measurement in the vertical and horizontal directions is realized, the worm 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 can be carried out on steel rails 3 of different types; through protection device 5 and dust collector 8, make laser displacement sensor 7 can be suitable for more abominable operational environment for working life obtains prolonging, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides 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 block of the vertical straightening group are both provided with mounting grooves, and straightness measuring devices are mounted in the mounting grooves;
straightness accuracy measuring device is including rotating adjusting device, rotates adjusting device including being fixed in the support at mounting groove both ends all installs the high accuracy axle through the bearing on every support, and two high accuracy epaxial fixed high accuracy boards through the fixed block that are fixed with install on the high accuracy board and be no less than two laser displacement sensor, and one of them support outside is fixed with the worm gear reduction gear, and the high accuracy axle on this support is connected with the output of worm gear reduction gear, and the input of worm gear reduction gear is equipped with the hand wheel.
2. The non-contact detection system for the two-way straightener of claim 1, characterized in that: the laser displacement sensor is characterized in that a protection device is arranged at the mounting groove and comprises a protective shell which is mounted on the support through screws, strip-shaped ribs are arranged at the inner side angles of the protective shell at equal intervals, and through grooves are formed in the protective shell and correspond to the laser displacement sensor.
3. The non-contact detection system for the two-way straightener of claim 2, characterized in that: still be equipped with dust collector in the mounting groove, dust collector includes and is fixed in the nozzle 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.
4. A non-contact detection system for a two-way straightener as claimed in claim 3, characterized in that: the mid-mounting that leads to the groove lateral wall has the axle to support, and the axle supports to go up rotatable coupling has the steady axle, and the both ends of stabilizing the axle are passed through the fixed block and are connected with the middle part of high accuracy board.
5. The non-contact detection system for the two-way straightener as claimed in claim 4, characterized in that: the laser displacement sensors are arranged on each high-precision plate at equal intervals, the two sides of each laser displacement sensor are fixed on one side, away from the fixed block, of each high-precision plate through the mounting frame, and the laser beam emitting port and the laser beam receiving face of each laser displacement sensor are located on one side, away from the high-precision plates.
6. The non-contact detection system for the two-way straightener as claimed in claim 5, characterized in that: three nozzles are arranged on each high-precision plate.
7. The non-contact detection system for the two-way straightener of claim 6, characterized in that: a gap is reserved between the protective shell and the edge of the mounting groove.
Priority Applications (1)
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CN202210422534.8A CN114749520B (en) | 2022-04-21 | 2022-04-21 | Non-contact detection system for bidirectional straightener |
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CN202210422534.8A CN114749520B (en) | 2022-04-21 | 2022-04-21 | Non-contact detection system for bidirectional straightener |
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CN114749520A true CN114749520A (en) | 2022-07-15 |
CN114749520B CN114749520B (en) | 2024-03-19 |
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Citations (10)
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 |
US20110240169A1 (en) * | 2010-04-06 | 2011-10-06 | Wafios Ag | Straightening and cutting-off 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 |
CN104707880A (en) * | 2015-03-13 | 2015-06-17 | 武汉大学 | Automobile transmission shaft circle run-out detecting and calibrating system and method |
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 |
CN107747909A (en) * | 2017-08-17 | 2018-03-02 | 韶关学院 | The device of clearance is born in on-line measurement during a kind of hub-bearing unit riveted assembling |
US20180078983A1 (en) * | 2016-09-19 | 2018-03-22 | Wamaco, Llc | Pipe end straightener |
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 |
-
2022
- 2022-04-21 CN CN202210422534.8A patent/CN114749520B/en active Active
Patent Citations (10)
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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 |
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US20110240169A1 (en) * | 2010-04-06 | 2011-10-06 | Wafios Ag | Straightening and cutting-off 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 |
CN104707880A (en) * | 2015-03-13 | 2015-06-17 | 武汉大学 | Automobile transmission shaft circle run-out detecting and calibrating system and method |
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 |
US20180078983A1 (en) * | 2016-09-19 | 2018-03-22 | Wamaco, Llc | Pipe end straightener |
CN107747909A (en) * | 2017-08-17 | 2018-03-02 | 韶关学院 | The device of clearance is born in on-line measurement during a kind of hub-bearing unit riveted assembling |
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 |
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王仕杰等: "一种大型龙门自走式压力矫直机", 重型机械, no. 06, pages 23 - 26 * |
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