CN114923440B - Detection device for flatness of magnetic levitation track beam template and use method - Google Patents
Detection device for flatness of magnetic levitation track beam template and use method Download PDFInfo
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- CN114923440B CN114923440B CN202210491728.3A CN202210491728A CN114923440B CN 114923440 B CN114923440 B CN 114923440B CN 202210491728 A CN202210491728 A CN 202210491728A CN 114923440 B CN114923440 B CN 114923440B
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 238000005339 levitation Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 11
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 230000005484 gravity Effects 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- 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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of flatness detection, and particularly relates to a high-precision detection device for flatness of a magnetic levitation track beam template. The device comprises a flatness detection bridge plate, a level gauge arranged on the upper end surface of the flatness detection bridge plate, and an infrared distance meter arranged on one side of the flatness detection bridge plate; the level gauge is fixed on the upper end face of the flatness detection bridge plate; the infrared range finder is connected with one side of the flatness detection bridge plate in a sliding mode. The invention not only has high observation precision and meets the requirement of detecting the flatness of the magnetic suspension precast beam template, but also has simple and convenient operation and convenient carrying, thereby effectively saving manpower and time.
Description
Technical Field
The invention belongs to the technical field of flatness detection, and particularly relates to a device for detecting flatness of a magnetic levitation track beam template and a use method thereof.
Background
The magnetic levitation track traffic has the advantages of quick speed, low cost, low noise and environment friendliness, is more and more favored by countries around the world, and the current magnetic levitation track beam is divided into a steel beam and a concrete mixed beam, wherein the precision of the concrete mixed beam mainly depends on the precision of the template manufacturing and the precision of accessories on the beam, so that the flatness of the template of the magnetic levitation track beam is a determining factor for determining the precision of the concrete mixed beam.
In order to conveniently detect the flatness of the magnetic suspension precast beam template, the traditional electronic level measuring method is time-consuming and labor-consuming and has low efficiency. Therefore, at present, a detection device capable of effectively saving manpower and time and meeting high-precision requirements of magnetic levitation track beam template detection is urgently needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a detection device for the flatness of a magnetic levitation track beam template, which is used for solving the problems in the background art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the detecting device for the flatness of the magnetic levitation track beam template comprises a flatness detecting bridge plate, a level gauge arranged on the upper end surface of the flatness detecting bridge plate and an infrared distance meter arranged on one side of the flatness detecting bridge plate;
the level gauge is fixed on the upper end face of the flatness detection bridge plate;
the infrared range finder is connected with one side of the flatness detection bridge plate in a sliding mode.
The flatness detection bridge plate comprises a working surface and supporting feet arranged at two ends of the lower side of the working surface.
According to the invention, the sliding rail is arranged on one side of the working surface, the pulley is fixed on the infrared range finder, and the pulley is clamped in the sliding rail and can slide along the sliding rail.
According to the preferred scheme, a damping mechanism is further arranged between the level gauge and the flatness detection bridge plate.
The damping mechanism comprises a fixed plate fixed at the center of the upper end of the flatness detection bridge plate, four screws arranged on the fixed plate, springs sleeved on the screws, support plates arranged at the upper ends of the four screws, through holes arranged at four corners of the support plates, the screws extend out to the upper end of the support plates through the through holes, and the level gauge is fixed at the upper end of the support plates.
According to the preferred scheme, the tail end of the screw rod is provided with a fixing nut.
According to the preferred scheme, the bottom of the supporting leg is provided with the sucking disc.
According to the preferred scheme, the infrared range finder is provided with a movable handle.
According to the preferred scheme, the infrared range finder is fixed on the level, the level comprises a level body, the upper side of one end of the level body is fixedly provided with the infrared range finder, the upper side of the other end of the level body is provided with an adjusting knob, the inner side of the level body is provided with a gravity balance rod, the center of the upper side of the gravity balance rod is provided with a second level bubble, one side of the second level bubble is symmetrically provided with a first level bubble, one end of the gravity balance rod is provided with a ranging positioning plate, one end of the gravity balance rod, far from the ranging positioning plate, is provided with a bolt jacking plate, the center of the lower side of the gravity balance rod is provided with a protruding strip, the lower side of the level body is provided with a clamping seat, the lower side of the clamping seat is provided with a contact bottom plate, the middle of the upper end face of the flatness detection bridge plate is fixedly connected with the contact bottom plate, and one side of the infrared range finder is provided with a display module.
According to the preferred scheme, the lower side of the protruding strip is provided with a supporting column, and the outer side of the clamping seat is symmetrically provided with locking bolts;
The level gauge body is connected with the clamping seat through the locking bolt, and the clamping seat and the contact bottom plate are of an integrated structure.
According to the preferred scheme, the infrared range finder is connected with the level body through a screw, a storage module is arranged in the display module, and the first level bubble and the second level bubble are glued with the gravity balance rod;
the adjusting knob is connected with the level body through threads, and the gravity balance rod is connected with the level body through the support column.
According to the preferable scheme, the bolt jacking plate and the distance measuring and positioning plate are positioned at the same height, and the clamping seat and the contact bottom plate are made of stainless steel;
The infrared range finder shell is made of aluminum alloy, and a power module is arranged in the display module.
The invention also comprises a use method of the detection device for the flatness of the magnetic levitation track beam template,
(1) Placing the detection device on the surface of the steel template to be detected, placing supporting legs of the flatness detection bridge plate on the steel template to be detected, watching the first window of the optical image-combining level by eyes, rotating the micrometer screw by hands until two half bubbles in the first window coincide, and stopping reading at the moment; when in reading, firstly, a third observation window is used for reading millimeter number, then a differential disk (a scale value is read out, and the two readings are added to obtain the height difference in a template area, and template leveling is carried out according to the value;
(2) And (3) detecting and adjusting the template in the step (1), further verifying the flatness, placing a detection device on the surface of the steel template to be detected, fixing the position of the detection device by using an adsorption disc, moving an infrared distance meter from one end of a working surface to the other end along a sliding rail, observing the reading of the infrared distance meter, and when the infrared distance meter is moved to a certain position, reading is different from the reading of other positions, indicating that the flatness of the position is poor, and adjusting the position according to the reading mark.
The invention also comprises a use method of the detection device for the flatness of the magnetic levitation track beam template,
(1) The contact bottom plate is contacted with the upper side surface of the steel template to be tested, so that the gravity balance rod firstly finds out a rough balance point under the action of self gravity;
(2) The bolt tightening plate is tightened by rotating the adjusting knob, so that the gravity balance rod is balanced, the adjusting knob is stopped rotating when the bubble of the second level bubble moves to the center position, and the reading displayed on the display module is read after the second level bubble is stationary for two seconds;
(3) When the height of the ranging locating plate is lower than that of the ranging locating plate in the standard horizontal state, the measured distance value is a negative number, and when the measured distance value is higher than that of the ranging locating plate in the standard state, the measured distance value is a positive number, and the displayed data are the distance difference between the actual ranging locating plate and the ranging locating plate in the standard horizontal state.
The detection device for the flatness of the magnetic levitation track beam template and the use method thereof have the advantages that: the invention not only has high observation precision and meets the requirement of detecting the flatness of the magnetic suspension precast beam template, but also has simple and convenient operation and convenient carrying, thereby effectively saving manpower and time.
Drawings
FIG. 1 is a schematic diagram of a connection structure of embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a front view of a level according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a level according to an embodiment of the present invention;
FIG. 4 is a schematic view of a connection structure between a shock absorbing mechanism and a level meter according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a connection structure of embodiment 2 of the present invention;
FIG. 6 is a schematic diagram of a connection structure of embodiment 3 of the present invention;
FIG. 7 is a schematic view of the main sectional structure of the level body according to embodiment 3 of the present invention;
FIG. 8 is a schematic diagram of the structure at A in FIG. 7;
Description of the component reference numerals:
Examples 1 and 2: the flatness detection bridge plate 1, the level gauge 2, the infrared distance meter 3, the sliding rail 31, the movable handle 32, the damping mechanism 4, the working surface 11, the supporting legs 12, the sucking disc 13, the fixing plate 41, the screw rod 42, the spring 43, the supporting plate 44, the fixing nut 45, the first window 21, the micrometer screw 22 and the third window 23;
example 3: a contact base plate 1; a clamping seat 2; a level body 3; an infrared range finder 4; a locking bolt 5; a level bubble 6; level two bubble 7; an adjusting knob 8; a display module 9; a support column 10; a ranging positioning plate 11; a bolt pressing plate 12; a protruding strip 13; a weight balance bar 14.
Detailed Description
The following description of the embodiments is provided in conjunction with the accompanying drawings.
Example 1:
As shown in fig. 1-4, a detecting device for flatness of a magnetic levitation track beam template comprises a flatness detecting bridge plate 1 and a level 2 arranged on the upper end surface of the flatness detecting bridge plate 1; the level meter 2 is fixed on the upper end surface of the flatness detection bridge plate 1;
the flatness detection bridge plate 1 comprises a working surface 11 and supporting feet 12 arranged at two ends of the lower side of the working surface 11.
And a damping mechanism 4 is further arranged between the level meter 2 and the flatness detection bridge plate 1. The damping mechanism 4 comprises a fixed plate 41 fixed at the center of the upper end of the flatness detection bridge plate 1, four screws 42 arranged on the fixed plate 41, springs 43 sleeved on the screws 42, support plates 44 are further arranged at the upper ends of the four screws 42, through holes are formed in four corners of the support plates 44, the screws 42 extend out to the upper end of the support plates 44 through the through holes, and the level 2 is fixed at the upper end of the support plates 44. The end of the screw 42 is provided with a fixing nut 45. The fixing nut 45 can limit the screw 42 from being separated from the supporting plate 44. The spring 43 is in an extension state in an unstressed state, and the upper end and the lower end of the spring 43 are tightly pressed against the fixed plate 41 and the support plate 44, so that the support plate 44 is ensured to be parallel to the fixed plate 41; when the level 2 vibrates under the condition of external force, the supporting plate 44 is extruded, and then the spring 43 is extruded, so that the rigid impact force of the level 2 is buffered, and the damage of the level 2 is avoided.
The level gauge 2 is a level gauge type level gauge for image reading by an optical principle, the measuring range is 100mm, and the graduation value is 0.01mm; the flatness detection bridge plate 1 has a measuring range of 500mm and an indexing value of 1mm.
The using method of the detecting device for the flatness of the magnetic levitation track beam template comprises the following steps:
The detection device is arranged on the surface of the steel template to be detected, the supporting legs 12 of the flatness detection bridge plate 1 are arranged on the steel template to be detected, eyes watch the window I21 of the optical image-combining level, the micrometer screw 22 is rotated by hands until two half bubbles in the window I21 are coincident, and the reading is performed at the moment. During reading, firstly, a third window 23 (measuring range 10mm, dividing value 1 mm) is observed, the millimeter number is read, then the scale value is read from a differential disc (measuring range 1mm, dividing value 0.01 mm) on the micrometer screw 22, the two readings are added to obtain the height difference in the template measuring area, and the template is leveled according to the value.
Example 2:
as shown in fig. 2 to 5, the present embodiment is the same as embodiment 1, and the difference is that:
In the detection method in embodiment 1, only the flatness of the connecting line between two points of the bridge plate supporting legs can be detected, and once the protrusion or the depression appears on the template between the beam supporting legs, the following settings are added for further increasing the detection precision:
The infrared distance meter 3 is arranged on one side of the flatness detection bridge plate 1, and the infrared distance meter 3 is in sliding connection with one side of the flatness detection bridge plate 1. The bottom of the supporting leg 12 of the flatness detection bridge plate 1 is provided with a sucker 13. The sucking disc 13 can be fixed in the magnetic suspension track beam template of waiting to detect with straightness detection bridge plate 1, one side of working face 11 is equipped with straight slide rail 31, be fixed with the pulley on the infrared range finder 3, the pulley card is fixed in slide rail 31 to can follow slide rail 31 and slide. The infrared range finder 3 is provided with a movable handle 32. The infrared distance meter 3 can be driven to horizontally move along the sliding rail 31 by moving the handle 32.
The using method of the detecting device for the flatness of the magnetic levitation track beam template comprises the following steps:
The template after detection and adjustment in example 1 is further verified for flatness, the detection device is placed on the surface of the steel template to be detected, the position of the detection device is fixed by the adsorption disc 13, the infrared distance meter 3 is moved from one end of the working surface 11 to the other end along the sliding rail 31, the reading of the infrared distance meter 3 is observed, when the infrared distance meter 3 is moved to a certain place, the reading is different from the reading of other places, the flatness of the place is poor, and the adjustment is carried out subsequently according to the reading marking position.
Example 3:
6-8, the detecting device for the flatness of the magnetic levitation track beam template comprises a flatness detecting bridge plate and a level gauge arranged on the upper end surface of the flatness detecting bridge plate; the level gauge is fixed on the upper end face of the flatness detection bridge plate;
The spirit level includes spirit level body 3, spirit level body 3 one end upside is provided with infrared range finder 4, spirit level body 3 other end upside is provided with adjust knob 8, spirit level body 3 inboard is provided with gravity balance lever 14, gravity balance lever 14 upside center is provided with No. two level bubble 7, no. two level bubble 7 one side symmetry is provided with No. one level bubble 6, gravity balance lever 14 one end is provided with range finding locating plate 11, gravity balance lever 14 is kept away from range finding locating plate 11 one end and is provided with bolt jack-up board 12, gravity balance lever 14 downside center is provided with protruding strip 13, spirit level body 3 downside is provided with clamping seat 2, clamping seat 2 downside is provided with contact bottom plate 1, flatness detects the centre department and the contact bottom plate 1 fixed connection of bridge plate up end, infrared range finder 4 one side is provided with display module 9. The infrared range finder 4, the display module 9, the gravity balance bar 14, the ranging locating plate 11, the bolt jacking plate 12 and the adjusting knob 8, so that when the magnetic levitation track beam template flatness detection device is used, after the device is adjusted and set, the infrared range finder 4 automatically measures the reading and displays the reading through the display module 9, the data can be automatically stored for later calculation and use, detection data reading errors are avoided, and detection accuracy is further guaranteed.
The support column 10 is arranged on the lower side of the protruding strip 13, the locking bolts 5 are symmetrically arranged on the outer side of the clamping seat 2, and the locking bolts 5 can be used for fixedly connecting the clamping seat 2 with the level body 3. The level meter body 3 is connected with the clamping seat 2 through the locking bolt 5, the clamping seat 2 and the contact bottom plate 1 are of an integrated structure, and the contact bottom plate 1 can be contacted with the upper side surface of the track beam plate.
The infrared range finder 4 is connected with the level body 3 through a screw, the display module 9 is internally provided with a storage module, the first level bubble 6 and the second level bubble 7 are both glued with the gravity balance rod 14, the display module 9 can display the measured distance, when the position of the ranging locating plate 11 is lower than the standard level, the measured data displayed by the display module 9 is negative, otherwise, positive.
The adjusting knob 8 is connected with the level body 3 through threads, the gravity balance rod 14 is connected with the level body 3 through the supporting column 10, and the adjusting knob 8 can tightly prop against the plate 12 through a jacking bolt, so that the gravity balance rod 14 is kept horizontal, and measurement accuracy is further guaranteed.
The bolt jacking plate 12 and the distance measuring and positioning plate 11 are positioned at the same height, and the clamping seat 2 and the contact bottom plate 1 are made of stainless steel. The infrared range finder 4 is made of aluminum alloy, and a power module is arranged in the display module 9.
The detecting device overcomes the problems that when the existing magnetic levitation track beam template flatness detecting device is used, after the device is adjusted and set, detection personnel can read the flatness by naked eyes, and error exists in detection data easily, so that detection accuracy is affected.
The use method of the detection device for the flatness of the magnetic levitation track beam template is as follows:
When in use, the flatness detection bridge plate is placed on the surface of the steel template to be detected, then the gravity balance bar 14 finds out the approximate balance point under the action of self gravity,
Then the adjusting knob 8 is rotated to enable the bolt tightening plate 12 to be tightened, so that the gravity balance rod 14 is balanced, the rotation of the adjusting knob 8 is stopped when the bubble of the second level bubble 7 moves to the central position, then the reading displayed on the display module 9 is read after two seconds of rest,
When the height of the ranging locating plate 11 is lower than the height of the ranging locating plate 11 in the standard horizontal state, the measured distance value is a negative number, when the height of the ranging locating plate 11 in the standard state is higher than the measured distance value, the measured distance value is a positive number, the displayed data are the distance difference between the actual ranging locating plate 11 and the ranging locating plate 11 in the standard horizontal state, the accurate measurement of the infrared range finder 4 can avoid errors caused by manual reading, and the measurement accuracy is ensured.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A detection device for magnetic suspension track beam form roughness, characterized by: the device comprises a flatness detection bridge plate, a level gauge arranged on the upper end surface of the flatness detection bridge plate, and an infrared distance meter arranged on one side of the flatness detection bridge plate or the level gauge;
the level gauge is fixed on the upper end face of the flatness detection bridge plate;
The infrared distance meter is fixed on the level meter or is in sliding connection with one side of the flatness detection bridge plate;
The infrared range finder is fixed in on the spirit level, the spirit level includes the spirit level body, spirit level body one end upside is fixed with the infrared range finder, spirit level body other end upside is provided with adjust knob, the spirit level body inboard is provided with the gravity balance pole, gravity balance pole upside center is provided with No. two level bubbles, no. two level bubble one side symmetry is provided with No. one level bubble, gravity balance pole one end is provided with the range finding locating plate, the gravity balance pole is kept away from range finding locating plate one end is provided with the bolt tight board, gravity balance pole downside center is provided with protruding strip, spirit level body downside is provided with the clamping seat, the clamping seat downside is provided with the contact bottom plate, and the centre department and the contact bottom plate fixed connection of straightness detection bridge plate up end, infrared range finder one side is provided with display module.
2. The detection apparatus for flatness of a magnetic levitation track beam template according to claim 1, characterized in that: a damping mechanism is arranged between the level gauge and the flatness detection bridge plate;
The damping mechanism comprises a fixed plate fixed at the center of the upper end of the flatness detection bridge plate, four screws arranged on the fixed plate, springs sleeved on the screws, support plates are further arranged at the upper ends of the four screws, through holes are formed in four corners of the support plates, the screws extend out to the upper end of the support plates through the through holes, and the level gauge is fixed at the upper end of the support plates;
and the tail end of the screw rod is provided with a fixing nut.
3. The detection apparatus for flatness of a magnetic levitation track beam template according to claim 1, characterized in that: the lower side of the protruding strip is provided with a supporting column, and the outer side of the clamping seat is symmetrically provided with locking bolts;
The level gauge body is connected with the clamping seat through the locking bolt, and the clamping seat and the contact bottom plate are of an integrated structure.
4. A detection apparatus for flatness of a magnetic levitation track beam template according to claim 3, characterized in that: the infrared range finder is connected with the level meter body through a screw, a storage module is arranged in the display module, and the first level bubble and the second level bubble are glued with the gravity balance rod;
the adjusting knob is connected with the level body through threads, and the gravity balance rod is connected with the level body through the support column.
5. The detection apparatus for flatness of a magnetic levitation track beam template according to claim 1, characterized in that: the bolt jacking plate and the distance measuring and positioning plate are positioned at the same height, and the clamping seat and the contact bottom plate are made of stainless steel;
The infrared range finder shell is made of aluminum alloy, and a power module is arranged in the display module.
6. The method for using the detection device for flatness of a magnetic levitation track beam template according to any one of claims 1, 3-5, characterized in that:
(1) Placing the flatness detection bridge plate on the surface of the steel template to be detected, so that the gravity balance rod firstly finds out a rough balance point under the action of self gravity;
(2) The bolt tightening plate is tightened by rotating the adjusting knob, so that the gravity balance rod is balanced, the adjusting knob is stopped rotating when the bubble of the second level bubble moves to the center position, and the reading displayed on the display module is read after the second level bubble is stationary for two seconds;
(3) When the height of the ranging locating plate is lower than that of the ranging locating plate in the standard horizontal state, the measured distance value is a negative number, and when the measured distance value is higher than that of the ranging locating plate in the standard state, the measured distance value is a positive number, and the displayed data are the distance difference between the actual ranging locating plate and the ranging locating plate in the standard horizontal state.
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| CN202210491728.3A CN114923440B (en) | 2022-05-02 | 2022-05-02 | Detection device for flatness of magnetic levitation track beam template and use method |
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| CN202210491728.3A CN114923440B (en) | 2022-05-02 | 2022-05-02 | Detection device for flatness of magnetic levitation track beam template and use method |
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| CN114923440B true CN114923440B (en) | 2024-07-19 |
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| CN114923440A (en) | 2022-08-19 |
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