CN110109135B - Hand-held type laser measuring apparatu - Google Patents
Hand-held type laser measuring apparatu Download PDFInfo
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- CN110109135B CN110109135B CN201910464014.1A CN201910464014A CN110109135B CN 110109135 B CN110109135 B CN 110109135B CN 201910464014 A CN201910464014 A CN 201910464014A CN 110109135 B CN110109135 B CN 110109135B
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- 238000005259 measurement Methods 0.000 claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a handheld laser measuring instrument, which comprises a measuring instrument main body and an leaning plate, wherein the measuring instrument main body is provided with a laser probe, a laser emitter and a laser receiver are arranged on the laser probe, the measuring instrument main body also comprises a display screen and a measuring controller, the measuring controller is provided with a timer, the measuring controller is electrically connected with the laser probe, and the measuring controller is electrically connected with the display screen; the leaning plate is provided with a leaning surface, the leaning plate is arranged on the measuring instrument main body, and the leaning surface is perpendicular to the laser beam emitted by the laser emitter. The invention utilizes the abutting surface to be attached to the surface to be measured, so that the emitted laser beam is ensured to be perpendicular to the surface to be measured, the obtained measurement data is more accurate, the measurement precision is greatly improved, and a measurer can ensure the measurement precision by attaching the abutting surface to the surface to be measured during measurement, the measurement operation is simpler, the measurement difficulty is greatly reduced, and the stability and reliability of the measured value are ensured.
Description
Technical Field
The invention relates to the field of measuring instrument equipment, in particular to a handheld laser measuring instrument.
Background
The bogie is a core component of a railway vehicle, and its manufacturing accuracy and assembly accuracy are directly related to the running and traveling safety of the vehicle. The gap between the wheel backs and the frameworks on the bogie is an important influence parameter, most of vehicle factories generally adopt vernier calipers to measure the gap, and the measuring technique requirements on operators are high during measurement, the measuring precision is low, measurement deviation is easy to occur, and the bogie assembly precision is low, so that quality problems are easy to occur.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides a handheld laser measuring instrument capable of reducing the measuring difficulty and improving the measuring precision.
The invention provides a hand-held laser measuring instrument, comprising:
The measuring instrument comprises a measuring instrument main body, a display screen and a measuring controller, wherein the measuring instrument main body is provided with a laser probe, the laser probe is provided with a laser emitter and a laser receiver, the measuring controller is provided with a timer, the measuring controller is electrically connected with the laser probe, and the measuring controller is electrically connected with the display screen;
The leaning plate is provided with a leaning surface, the leaning plate is arranged on the measuring instrument main body, and the leaning surface is perpendicular to the laser beam emitted by the laser emitter.
The handheld laser measuring instrument has at least the following beneficial effects: the laser beam emitted by the laser emitter is perpendicular to the surface to be measured, so that the emitted laser beam is perpendicular to the surface to be measured, the obtained measurement data are more accurate, the measurement precision is greatly improved, measurement personnel can ensure the measurement precision by attaching the surface to be measured to the surface to be measured during measurement, the measurement operation is simpler, the measurement difficulty is greatly reduced, and the stability and reliability of the measurement value are ensured.
According to the handheld laser measuring instrument, the leaning surface is positioned on one side of the leaning plate, which is close to the laser probe. In the measurement of the gap between the wheel back and the framework on the bogie, the surface to be measured is the wheel back, the reference surface is the surface of the measurement reference block on the framework, which is close to the wheel back, and the leaning surface is positioned on one side of the leaning plate, which is close to the laser probe, so that the leaning surface can be more conveniently leaning on the wheel back when being held by hands, and the use of measuring staff is facilitated.
According to the handheld laser measuring instrument disclosed by the invention, the measuring instrument main body is provided with the connecting inclined column, the length direction of the connecting inclined column is inclined towards the abutting surface, and the laser probe is arranged on the connecting inclined column. The avoidance groove is formed between the connecting inclined column and the leaning surface, when the leaning surface leans against the wheel back, the wheel rim can extend into the avoidance groove, the interference between the laser probe and the wheel rim during measurement is avoided, and the laser beam is accurately emitted onto the measurement reference block.
According to the handheld laser measuring instrument disclosed by the invention, the measuring instrument main body is provided with the threaded hole, the axial direction of the threaded hole is perpendicular to the abutting surface, and the connecting inclined column is provided with the external threads matched with the threaded hole. When the measuring controller is used, zero setting is needed, and the distance between the laser probe and the leaning surface can be adjusted by utilizing the matching of the threaded hole and the external thread, so that the zero setting is convenient. The end of the connecting inclined column connected with the threaded hole is perpendicular to the abutting surface. The axial direction of the threaded hole is vertical to the leaning surface, namely, the perpendicularity of the transmitting head of the laser transmitter and the leaning surface can be kept when the connecting inclined column rotates, and the measurement accuracy is ensured.
According to the handheld laser measuring instrument disclosed by the invention, the connecting inclined column is further provided with the sleeve, and the external thread is arranged on the outer side surface of the sleeve. The sleeve is fixed on the connecting inclined column, so that the distance between the laser probe and the leaning surface can be adjusted when the sleeve can be rotated. Through setting up the sleeve can let the survey crew rotate better and connect the batter post, convenient zeroing.
According to the handheld laser measuring instrument disclosed by the invention, the measuring button is further arranged on the measuring instrument main body, and the measuring button is connected with the measuring controller. The measuring instrument can be started by long-time pressing of the measuring button, when the distance needs to be measured, the measuring value between the current leaning plate and the reference surface can be read by pressing of the measuring button, and the measuring value is fed back to the display screen, so that the control is facilitated.
According to the handheld laser measuring instrument disclosed by the invention, the handheld part is arranged on the measuring instrument main body, the handheld part is positioned on one side of the measuring instrument main body far away from the laser probe, and the measuring button is arranged on the handheld part. The handheld portion is the handle, and handheld portion and laser probe are located the both sides of leaning on the board respectively, can make things convenient for measurement personnel to paste the leaning on the board and measure on the face that awaits measuring, and measuring button sets up in handheld portion moreover, can make things convenient for measuring personnel to press measuring button.
According to the handheld laser measuring instrument disclosed by the invention, one side of the display screen is provided with the forward turning button and the backward turning button, and the forward turning button and the backward turning button are electrically connected with the measuring controller. After measuring the data on the measurement controller for a plurality of times, the forward-turning button can be pressed, so that the data measured before can be checked on the display screen. The user can turn over the desired data by matching with the backward turn button, so that the data can be recorded conveniently.
According to the handheld laser measuring instrument disclosed by the invention, one side of the display screen is further provided with the data deleting button, and the data deleting button is electrically connected with the measuring controller. When more data are stored, the data deleting button can be pressed to delete the corresponding data, so that useless data on the measurement controller can be cleaned conveniently.
According to the handheld laser measuring instrument disclosed by the invention, the measuring controller is further provided with a wireless data transmission module. The wireless data transmission module can be connected with terminals such as a calculator of a workshop, and the like, so that data can be conveniently acquired in a later period.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of an embodiment of the present invention;
Fig. 3 is a schematic view showing a state in which the gap size between the wheel back and the frame of the bogie is measured according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 and 2, a hand-held laser measuring instrument includes:
the measuring instrument comprises a measuring instrument main body 10, a display screen 12 and a measuring controller, wherein the measuring instrument main body 10 is provided with a laser probe 11, the laser probe 11 is provided with a laser emitter and a laser receiver, the measuring controller is provided with a timer, the measuring controller is electrically connected with the laser probe 11, and the measuring controller is electrically connected with the display screen 12;
The leaning plate 20 is provided with a leaning surface 21, the leaning plate 20 is arranged on the measuring instrument main body 10, and the leaning surface 21 is perpendicular to the laser beam emitted by the laser emitter.
During measurement, the hand-held measuring instrument main body 10 or the hand-held leaning plate 20 is used for leaning on the surface to be measured, the leaning surface 21 is clung to the surface to be measured, the laser transmitter transmits laser beams to the reference point or the reference surface, the laser receiver receives the laser beams reflected by the reference point or the reference surface, the distance between the leaning surface 21 and the reference point or the reference surface is obtained through the timing and the operation of the timer of the measuring controller, the distance between the surface to be measured and the reference point or the reference surface is obtained, and the distance is fed back to a tester through the display screen 12. The surface to be measured is attached by the attaching surface 21, and the laser beam emitted by the laser emitter is perpendicular to the attaching surface 21, so that the emitted laser beam is perpendicular to the surface to be measured, the obtained measurement data are more accurate, the measurement precision is greatly improved, and a measurer can attach the attaching surface 21 to the surface to be measured during measurement, so that the measurement precision can be ensured, the measurement operation is simpler, the measurement difficulty is greatly reduced, and the stability and reliability of the measured value are ensured.
Referring to fig. 1 to 3, the abutment surface 21 is preferably located on a side of the abutment plate 20 close to the laser probe 11. In the measurement of the gap between the wheel back and the framework on the bogie, the surface to be measured is the wheel back, the reference surface is the surface of the measurement reference block on the framework, which is close to the wheel back, and the leaning surface 21 is positioned on one side of the leaning plate 20, which is close to the laser probe 11, so that the leaning surface 21 can be more conveniently leaned on the wheel back when being held by hands, and the use of measuring staff is facilitated. In addition, depending on the actual use, the abutment surface 21 may be located on the side of the abutment plate 20 away from the laser probe 11, or the abutment surfaces 21 may be located on both sides of the abutment plate 20.
Referring to fig. 1 and 2, the measuring instrument body 10 is preferably provided with a connection diagonal column 13, the length direction of the connection diagonal column 13 is inclined toward the abutment surface 21, and the laser probe 11 is preferably disposed on the connection diagonal column 13. The avoidance groove is formed between the connecting inclined column 13 and the leaning surface 21, when the leaning surface 21 leans against the wheel back, the wheel rim can extend into the avoidance groove, interference between the laser probe 11 and the wheel rim during measurement is avoided, and the laser beam is accurately emitted to the measurement reference block.
Preferably, the measuring instrument main body 10 is provided with a threaded hole, the axial direction of the threaded hole is perpendicular to the abutting surface 21, and the connecting inclined column 13 is provided with external threads matched with the threaded hole. When the measuring controller is used, zero setting is needed, and the distance between the laser probe 11 and the leaning surface 21 can be adjusted by utilizing the matching of the threaded hole and the external threads, so that the zero setting is convenient. The end of the connecting diagonal member 13 connected to the screw hole is perpendicular to the abutment surface 21. The axial direction of the threaded hole is vertical to the leaning surface 21, namely, the perpendicularity of the laser transmitter transmitting head and the leaning surface 21 can be kept when the connecting inclined column 13 rotates, and the measurement accuracy is ensured.
Referring to fig. 1 and 2, preferably, the connecting diagonal column 13 is further provided with a sleeve 131, and the external thread is disposed on an outer side surface of the sleeve 131. The sleeve 131 is fixed on the connecting diagonal column 13, so that the distance between the laser probe 11 and the abutting surface 21 can be adjusted when the sleeve 131 can be rotated. By arranging the sleeve 131, a measurer can rotate the connecting inclined column 13 better, so that zeroing is facilitated.
Referring to fig. 1 and 2, the measuring instrument main body 10 is preferably further provided with a measuring button 14, and the measuring button 14 is connected to the measuring controller. The measuring instrument can be started by long-time pressing of the measuring button 14, when the distance needs to be measured, the measuring value between the current leaning plate 20 and the reference surface can be read by pressing the measuring button 14, and fed back to the display screen 12, so that the control is facilitated. Optimally, the measuring instrument body is provided with a battery, and the battery is used for taking electricity. In addition, the power can be taken through connecting the electric wire with the power supply.
Referring to fig. 1 and 2, preferably, the measuring instrument main body 10 is provided with a hand-holding portion 15, the hand-holding portion 15 is located at a side of the measuring instrument main body 10 away from the laser probe 11, and the measuring button 14 is disposed on the hand-holding portion 15. The hand-held part 15 is the handle, and hand-held part 15 and laser probe 11 are located the both sides of leaning on board 20 respectively, can make things convenient for the measurement personnel to paste leaning on board 20 and measure on the face that awaits measuring, and measurement button 14 sets up on hand-held part 15 moreover, can make things convenient for the measurement personnel to press measurement button 14.
Referring to fig. 1 and 2, preferably, a forward-turning button 121 and a backward-turning button 122 are disposed on one side of the display screen 12, and the forward-turning button 121 and the backward-turning button 122 are electrically connected to the measurement controller. After a number of measurements on the measurement controller, the forward button 121 may be pressed and the previously measured data may be viewed on the display 12. By cooperating with the flip-back button 122, the desired data can be flipped over, facilitating recording of the data.
Referring to fig. 1 and 2, preferably, a data delete button 123 is further disposed on one side of the display 12, and the data delete button 123 is electrically connected to the measurement controller. When more data is stored, the data delete button 123 can be pressed to delete the corresponding data, so as to clean up the useless data on the measurement controller.
Preferably, the measurement controller is further provided with a wireless data transmission module. The wireless data transmission module is a common wireless module in the market, such as a bluetooth module, and the like, and will not be described herein. The wireless data transmission module can be connected with terminals such as a calculator of a workshop, and the like, so that data can be conveniently acquired in a later period.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (7)
1. A hand-held laser measuring instrument, comprising:
The measuring instrument comprises a measuring instrument main body (10) and a measuring controller, wherein the measuring instrument main body (10) is provided with a laser probe (11), a laser emitter and a laser receiver are arranged on the laser probe (11), the measuring instrument main body (10) further comprises a display screen (12) and the measuring controller, the measuring controller is provided with a timer, the measuring controller is electrically connected with the laser probe (11), and the measuring controller is electrically connected with the display screen (12);
An abutment plate (20) having an abutment surface (21), the abutment plate (20) being disposed on the gauge body (10), the abutment surface (21) being perpendicular to the laser beam emitted by the laser emitter; the leaning surface (21) is positioned on one side of the leaning plate (20) close to the laser probe (11);
the connecting inclined column (13), the length direction of the connecting inclined column (13) is inclined towards the abutting surface (21), and the laser probe (11) is arranged on the connecting inclined column (13);
The measuring instrument comprises a measuring instrument main body (10), wherein the measuring instrument main body is provided with a threaded hole, the axial direction of the threaded hole is perpendicular to an abutting surface (21), a connecting inclined column (13) is provided with external threads matched with the threaded hole, and an avoidance groove is formed between the connecting inclined column (13) and the abutting surface (21).
2. A hand-held laser gauge according to claim 1, wherein: the connecting inclined column (13) is further provided with a sleeve (131), and the external threads are arranged on the outer side face of the sleeve (131).
3. A hand-held laser measuring device according to claim 1 or 2, characterized in that: the measuring instrument main body (10) is also provided with a measuring button (14), and the measuring button (14) is connected with the measuring controller.
4. A hand-held laser gauge according to claim 3, wherein: the measuring instrument is characterized in that a handheld part (15) is arranged on the measuring instrument main body (10), the handheld part (15) is located on one side, far away from the laser probe (11), of the measuring instrument main body (10), and the measuring button (14) is arranged on the handheld part (15).
5. A hand-held laser measuring device according to claim 1 or 2, characterized in that: one side of the display screen (12) is provided with a forward turning button (121) and a backward turning button (122), and the forward turning button (121) and the backward turning button (122) are electrically connected with the measurement controller.
6. A hand-held laser gauge according to claim 5, wherein: one side of the display screen (12) is also provided with a data deleting button (123), and the data deleting button (123) is electrically connected with the measurement controller.
7. A hand-held laser measuring device according to claim 1 or 2, characterized in that: and the measurement controller is also provided with a wireless data transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910464014.1A CN110109135B (en) | 2019-05-30 | 2019-05-30 | Hand-held type laser measuring apparatu |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910464014.1A CN110109135B (en) | 2019-05-30 | 2019-05-30 | Hand-held type laser measuring apparatu |
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| CN110109135A CN110109135A (en) | 2019-08-09 |
| CN110109135B true CN110109135B (en) | 2024-04-30 |
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| CN201910464014.1A Active CN110109135B (en) | 2019-05-30 | 2019-05-30 | Hand-held type laser measuring apparatu |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726392A (en) * | 2019-11-25 | 2020-01-24 | 苏州嘉盛科技电讯有限公司 | Accurate measuring instrument for precise sheet metal parts |
| CN111060817B (en) * | 2020-01-13 | 2024-06-25 | 中车广东轨道交通车辆有限公司 | EGS grounding protection switch safety detection device and detection method |
| CN112304256A (en) * | 2020-09-10 | 2021-02-02 | 中铁建设集团有限公司 | Detector for reinforced concrete structure surface layer |
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| EP0117983A2 (en) * | 1983-03-07 | 1984-09-12 | Texas Instruments Incorporated | Thermally integrated laser/FLIR rangefinder |
| WO2015106304A1 (en) * | 2014-01-20 | 2015-07-23 | Jawhar Yousef | Arrangement for measuring the poise of a handheld tool |
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| CN207623526U (en) * | 2017-11-27 | 2018-07-17 | 张洪新 | A kind of petroleum pipe column length laser measuring apparatus |
| CN210376684U (en) * | 2019-05-30 | 2020-04-21 | 中车广东轨道交通车辆有限公司 | Hand-held type laser measuring instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10824773B2 (en) * | 2017-03-28 | 2020-11-03 | Faro Technologies, Inc. | System and method of scanning an environment and generating two dimensional images of the environment |
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2019
- 2019-05-30 CN CN201910464014.1A patent/CN110109135B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0117983A2 (en) * | 1983-03-07 | 1984-09-12 | Texas Instruments Incorporated | Thermally integrated laser/FLIR rangefinder |
| WO2015106304A1 (en) * | 2014-01-20 | 2015-07-23 | Jawhar Yousef | Arrangement for measuring the poise of a handheld tool |
| CN205537519U (en) * | 2016-01-27 | 2016-08-31 | 长安大学 | Portable laser measuring tape |
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| CN110109135A (en) | 2019-08-09 |
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