CN210603501U - Multi-point laser material level measuring device - Google Patents
Multi-point laser material level measuring device Download PDFInfo
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- CN210603501U CN210603501U CN201921922627.7U CN201921922627U CN210603501U CN 210603501 U CN210603501 U CN 210603501U CN 201921922627 U CN201921922627 U CN 201921922627U CN 210603501 U CN210603501 U CN 210603501U
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Abstract
The utility model relates to a multipoint mode laser material level measuring device, multipoint mode laser material level measuring device installs the top at the feed bin, including installing the mount at feed bin top and installing the power unit in mount one side, it has the slide bar to articulate on the mount, and the distancer is installed to the bottom of slide bar, and the upper portion cover of slide bar is equipped with the sliding sleeve, be connected with the threaded rod on power output shaft of power unit, threaded connection has the nut on the threaded rod, and the nut articulates on the outer wall of sliding sleeve. The utility model discloses following beneficial effect has: through driving the threaded rod to rotate by the stepping motor, the threaded rod is matched with the nut, the nut pulls the sliding rod and the laser range finder to swing according to a plurality of set angles, multi-point material level measurement of the laser range finder in a vertical plane is achieved, the material position is represented by the arithmetic mean value of material level data of a plurality of measuring points, data representativeness is strong, and the influence of convex-concave surfaces of the material surface on the material level measurement is greatly reduced.
Description
Technical Field
The utility model relates to a multipoint mode laser material level measuring device belongs to material level measurement technical field.
Background
At present, a bin position measuring device of a storage bin mainly comprises a weight type level meter, an ultrasonic level meter, a laser level meter and the like, the position of materials in the bin is represented by adopting a point measurement mode, and in field use, concave-convex surfaces are formed above the materials due to the processes of loading and placing the bin, so that the representativeness of the fixed-point measuring bin position is seriously influenced, and the production and sales guide errors are larger.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: to solve one of the above problems, a multi-point laser material level measuring device is provided.
Multipoint mode laser material level measuring device, multipoint mode laser material level measuring device installs at the top of feed bin, its characterized in that: including installing the mount at the feed bin top and installing the power unit in mount one side, articulated on the mount have a slide bar, and the distancer is installed to the bottom of slide bar, and the upper portion cover of slide bar is equipped with the sliding sleeve, be connected with the threaded rod on power output shaft of power unit, threaded connection has the nut on the threaded rod, and the nut articulates on the outer wall of sliding sleeve.
Preferably, the middle part of the sliding rod is provided with a rotating shaft, and the fixed frame and the sliding rod are hinged together through the rotating shaft.
Preferably, the rangefinder is a laser rangefinder.
Preferably, the power mechanism is a stepping motor.
Preferably, the threaded rod level sets up, and the top of feed bin is provided with the mounting hole, and the mount is fixed in the mounting hole, and step motor fixes on the outer wall of feed bin.
The utility model discloses a theory of operation: laser measurementSwinging the distance meter according to a set n angles, performing point distance measurement at each set angle theta position, and if the measured distance is L, determining the material level height H of the point as H0–L×cosθ，H0The total height in the storage bin. Taking the average value of n material level heights as a material level value, namely H (average value) ═ H1+ H2+H3…+Hn）/n。
Compared with the prior art, the utility model discloses following beneficial effect has: multipoint formula laser material level measuring device, through being driven the threaded rod by step motor and rotating, threaded rod and nut cooperation, nut pulling slide bar and laser range finder are according to a plurality of angle swings of setting for, realized laser range finder and realized that the multiple spot material level is measured in the vertical plane to the arithmetic mean value of the material level data of a plurality of measuring points represents the material position, data representativeness is strong, has greatly reduced the influence of material surface convex-concave to material level measurement, and the fault-tolerant rate is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the working state of the present invention.
In the figure: 1. stepping motor 2, laser range finder 3, threaded rod 4, nut 5, slide bar 6, sliding sleeve 7, mount 8, axis of rotation 9, feed bin
Detailed Description
The invention will be further described with reference to the accompanying drawings:
the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Examples
As shown in fig. 1 and 2, the multi-point laser material level measuring device is installed at the top of a storage bin 9 and comprises a fixing frame 7 installed at the top of the storage bin 9 and a power mechanism installed on one side of the fixing frame 7, a sliding rod 5 is hinged to the fixing frame 7, a distance measuring instrument is installed at the bottom end of the sliding rod 5, a sliding sleeve 6 is sleeved on the upper portion of the sliding rod 5, a threaded rod 3 is connected to a power output shaft of the power mechanism, a nut 4 is in threaded connection with the threaded rod 3, and the nut 4 is hinged to the outer wall of the sliding sleeve 6.
In the embodiment, the middle part of the sliding rod 5 is provided with a rotating shaft 8, and the fixed frame 7 and the sliding rod 5 are hinged together through the rotating shaft 8; the distance measuring instrument is a laser distance measuring instrument 2; the power mechanism is a stepping motor 1; threaded rod 3 level setting, the top of feed bin 9 is provided with the mounting hole, and mount 7 is fixed in the mounting hole, and step motor 1 is fixed on the outer wall of feed bin 9.
The threaded rod 3 realizes the guiding and positioning functions to the threaded sliding sleeve 4 in the rotating process. The threaded sliding sleeve 4 drives the sliding rod 5 and the laser range finder 2 to rotate during left-right movement, and the sliding sleeve 6 and the sliding rod 5 slide freely. The stepping motor 1 provides driving force for positioning and rotating the device. The laser range finder 2 is used for measuring the range of the specified angle point. The sliding rod 5 is fixed in the middle of the fixed frame 7 through a rotating shaft 8.
The utility model discloses a theory of operation: when the sliding rod 5 is in a vertical state, the threaded rod 3 is driven to rotate by the stepping motor 1, when the stepping motor 1 rotates forwards, because the sliding sleeve 6 is hinged with the nut 4, the limiting nut 4 cannot rotate, the threaded rod 3 and the nut 4 can only move towards the direction close to the stepping motor 1 under the action of the threads, meanwhile, the nut 4 pulls the sliding sleeve 6 to move towards the direction close to the stepping motor 1, the sliding sleeve 6 pulls the sliding rod 5 to move towards the direction close to the stepping motor 1, the sliding sleeve 6 slides towards the upper part of the sliding rod 5, the sliding rod 5 rotates by taking the rotating shaft 8 as the center, the sliding rod 5 and the threaded rod 3 form a certain included angle, when the stepping motor 1 rotates forwards, because the sliding sleeve 6 is hinged with the nut 4, the limiting nut 4 cannot rotate, the threaded rod 3Under the effect, only can remove to the direction of keeping away from step motor 1, nut 4 stimulates sliding sleeve 6 and removes to the direction of keeping away from step motor 1 simultaneously, sliding sleeve 6 stimulates slide bar 5 and removes to the direction of keeping away from step motor 1, sliding sleeve 6 slides to the upper portion of slide bar 5, and slide bar 5 uses axis of rotation 8 to rotate as the center, slide bar 5 forms certain contained angle with threaded rod 3, laser range finder 2 is installed to slide bar 5's bottom, laser range finder 2 swings according to the n angle of setting for, carry out some range finding in every angle theta position of setting for, the distance that records is L, then the material level height H that should point is H ═ H0–L×cosθ，H0The total height in the storage bin. Taking the average value of 6 material level heights as a material level value H1＝H0–L×cos450，H2＝H0–L×cos300，H3＝H0–L×cos150，H4＝H0–L×cos00，H5＝H0–L×cos150，H6＝H0–L×cos300I.e. H (mean value) ═ H1+ H2+H3+H4+H5+H6）/6。
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A multipoint type laser material level measuring device, the multipoint type laser material level measuring device is installed on the top of a storage bin (9), and is characterized in that: including installing mount (7) at feed bin (9) top and installing the power unit in mount (7) one side, it has slide bar (5) to articulate on mount (7), and the distancer is installed to the bottom of slide bar (5), and the upper portion cover of slide bar (5) is equipped with sliding sleeve (6), be connected with threaded rod (3) on power output shaft of power unit, threaded connection has nut (4) on threaded rod (3), and nut (4) articulate on the outer wall of sliding sleeve (6).
2. The multipoint laser level measuring device according to claim 1, wherein: the middle part of the sliding rod (5) is provided with a rotating shaft (8), and the fixed frame (7) and the sliding rod (5) are hinged together through the rotating shaft (8).
3. The multipoint laser level measuring device according to claim 2, wherein: the distance measuring instrument is a laser distance measuring instrument (2).
4. The multipoint laser level measuring device according to claim 3, wherein: the power mechanism is a stepping motor (1).
5. The multipoint laser level measuring device according to claim 4, wherein: threaded rod (3) level sets up, and the top of feed bin (9) is provided with the mounting hole, and mount (7) are fixed in the mounting hole, and step motor (1) is fixed on the outer wall of feed bin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922627.7U CN210603501U (en) | 2019-11-08 | 2019-11-08 | Multi-point laser material level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922627.7U CN210603501U (en) | 2019-11-08 | 2019-11-08 | Multi-point laser material level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210603501U true CN210603501U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921922627.7U Active CN210603501U (en) | 2019-11-08 | 2019-11-08 | Multi-point laser material level measuring device |
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| CN (1) | CN210603501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021201879A1 (en) | 2021-02-26 | 2022-09-01 | Vega Grieshaber Kg | Mounting device for a level sensor |
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2019
- 2019-11-08 CN CN201921922627.7U patent/CN210603501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021201879A1 (en) | 2021-02-26 | 2022-09-01 | Vega Grieshaber Kg | Mounting device for a level sensor |
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