CN213842667U - Sampling range determining device of sampling machine - Google Patents
Sampling range determining device of sampling machine Download PDFInfo
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- CN213842667U CN213842667U CN202022754039.6U CN202022754039U CN213842667U CN 213842667 U CN213842667 U CN 213842667U CN 202022754039 U CN202022754039 U CN 202022754039U CN 213842667 U CN213842667 U CN 213842667U
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- parking area
- electronic distance
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Abstract
The utility model relates to a sampler sample scope determining device, including the support group of locating haulage vehicle parking area both sides, its technical essential is: the support group is by the left socle that is located parking area one side, the right branch frame that is located parking area opposite side constitutes, left and right support arranges along parking area length direction in turn, left and right support top surface is fixed left and right linear guide respectively, left and right linear guide is parallel to each other and is fixed the electron distancer on the guide rail slider respectively, the removal measuring stroke of each electron distancer covers parking area length range jointly, the removal stroke of the first electron distancer that is close to parking area front end is less than haulage vehicle overall length, is greater than the distance of haulage vehicle's locomotive front end to carriage. The utility model provides a fixed problem of bringing of sample machine sampling point, compare with prior art, the sample scope is confirmed more accurately, for random sampling provides accurate data support, has also reduced haulage vehicle's the degree of difficulty of parkking simultaneously.
Description
Technical Field
The utility model relates to a sampler control system technical field, concretely relates to sampler sample scope determining device is applicable to grain purchase, quality control process.
Background
At present, in order to achieve the purpose of quality inspection, a sampling machine control system is generally required to be installed in places such as a grain depot, and sampling inspection is carried out on grains loaded on a transport vehicle through a sampling machine.
The existing sample machine control system controls a sample machine to carry out sample operation after detecting that a vehicle reaches a set position. The following problems exist in this process: 1. the sampling point is fixed, the vehicle must reach the set position strictly according to the requirement, otherwise, the sampling can not be caused; 2. the sampling points are fixed, and cheating events are easy to generate. Based on this, the above problem needs to be solved by randomly changing the position of the sampling point, and this work is premised on determining the position of the vehicle, i.e., the position coordinates of the carriage, so as to realize random sampling in the range of the top of the carriage. However, the method for determining the vehicle position by using the infrared sensor has a large error at present, and the determination of the carriage position, namely the sampling range, cannot be accurately realized.
Disclosure of Invention
The utility model aims at providing a more reliable sample machine sample scope determining means, solve the fixed problem of bringing of sample machine sample point, compare with prior art, the sample scope is confirmed more accurately, for random sample provides accurate data support, has also reduced haulage vehicle's the degree of difficulty of parking simultaneously.
The technical scheme of the utility model is that:
the utility model provides a sampler range determining device, is including locating the support group of haulage vehicle parking area both sides, and its technical essential is: the support group comprises a left support located on one side of a parking area and a right support located on the other side of the parking area, the left support and the right support are alternately arranged along the length direction of the parking area, a left linear guide rail and a right linear guide rail are respectively fixed on the top surfaces of the left support and the right support, the left linear guide rail and the right linear guide rail are mutually parallel, electronic distance measuring instruments are respectively fixed on guide rail sliding blocks, measuring ports of the electronic distance measuring instruments face the parking area, the moving measuring stroke of each electronic distance measuring instrument jointly covers the length range of the parking area, and the moving stroke of a first electronic distance measuring instrument close to the front end of the parking area is smaller than the total length of a transport vehicle and larger than the distance from the front end of the head of the transport vehicle to a carriage.
According to the sample range determining device of the sample machine, the number of the left supports is two, the number of the right supports is one, the two left supports are respectively located at the front part and the rear part of the parking area in the length direction of the parking area, the right support is located in the middle of the parking area, and the moving measuring stroke of the electronic distance meter close to the rear end of the parking area covers the tail end of the carriage of the transport vehicle.
According to the sample range determining device of the sample machine, the moving measuring stroke of each electronic range finder is 6 meters.
The utility model has the advantages that:
1. the electronic distance measuring instrument is used for measuring the length of the vehicle body, the length of the carriage and the width of the carriage, so that coordinates of four corner points at the top of the carriage are determined, a sampling working range of the sampling machine is determined, sampling action can be randomly carried out in the sampling working range, accurate data support is provided for random sampling, and meanwhile, the parking difficulty of a transport vehicle is reduced.
2. Because the utility model discloses a random sampling provides accurate data support, has guaranteed the feasibility of random sampling, therefore has also solved because the sample point is fixed and has leaded to the problem that takes place occasionally of cheating incident.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is another schematic view of the present invention.
In the figure: 1. the parking area, 2, transport vehicle, 3, electronic distance measuring instrument, 4, left support, 5, left linear guide rail, 6, third electronic distance measuring instrument, 7, second electronic distance measuring instrument, 8, right support and 9, right linear guide rail.
Detailed Description
Example 1
As shown in fig. 1 and 2, the sample range determining device of the sample machine comprises bracket groups arranged at two sides of a parking area of a transport vehicle. In this embodiment, the bracket set is composed of two left brackets 4 located on one side of the parking area 1 and one right bracket 8 located on the other side of the parking area 1, the left brackets 4 and the right brackets 8 are alternately arranged along the length direction of the parking area, the two left brackets 4 are respectively located on the front and rear portions of the parking area in the length direction of the parking area, and the right bracket 8 is located in the middle of the parking area.
The top surfaces of the left bracket 4 and the right bracket 8 are respectively fixed with a left linear guide rail 5 and a right linear guide rail 9, the left linear guide rail 5 and the right linear guide rail 9 are parallel to each other, and an electronic distance measuring instrument is respectively fixed on a guide rail slide block. The measuring port of the electronic distance measuring instrument faces the parking area, the moving measuring stroke of each electronic distance measuring instrument covers the length range of the parking area, and the moving stroke of the first electronic distance measuring instrument 3 close to the front end of the parking area is smaller than the total length of the transport vehicle and larger than the distance from the front end of the head of the transport vehicle to the carriage. The moving measuring travel of each electronic distance meter is 6 meters, and the moving measuring travel of the three electronic distance meters completely covers the working range of 0-18 meters.
The working process is as follows:
And 4, when the change of the distance measuring data of the mobile terminal is small, the second electronic distance measuring instrument 7 indicates that the moving measuring stroke of the second electronic distance measuring instrument does not cover the tail part of the carriage, starting a linear guide rail where the third electronic distance measuring instrument 6 on the same side with the first electronic distance measuring instrument is located, and when the distance measuring data of the third electronic distance measuring instrument 6 is suddenly increased, indicating that the third electronic distance measuring instrument 6 moves to the tail part of the carriage of the transport vehicle, and recording to obtain the data of the length ending point of the carriage.
And 5, obtaining the length data of the moving vehicle and the length data of the carriage according to the start point data of the length of the vehicle, the start point data of the length of the carriage and the end point data of the length of the carriage, obtaining coordinates of four corner points corresponding to the top of the carriage according to the length data of the carriage and the width data of the carriage, and transmitting the coordinates to a sampling machine control system.
And 6, after the sampling machine control system receives coordinate data of four angular points at the top of the carriage, determining a sampling working range of the sampling machine, wherein the sampling working range of the sampling machine is smaller than a rectangular range formed by coordinates of the four angular points at the top of the carriage.
In the embodiment, the left and right linear guide rails adopt a Kernike linear synchronous belt module, and normal outdoor work at a low temperature of-30 ℃ can be guaranteed by arranging a heating device. The electronic distance measuring instrument adopts a kirschner electronic distance measuring instrument, and the measuring deviation is not more than 0.1mm-5 m. The mounting heights of the left bracket and the right bracket are determined according to the general characteristics of the carriage.
Example 2
The sample range determining device of the sample machine comprises support groups arranged on two sides of a parking area of a transport vehicle. In this embodiment, the bracket set is composed of a left bracket located on one side of the parking area and a right bracket located on the other side of the parking area. The left support and the right support are alternately arranged in the front and the back direction along the length direction of the parking area. The moving measuring strokes of the two electronic distance measuring instruments positioned on the linear guide rails of the left bracket and the right bracket jointly cover the length range of the parking area. The movement measuring travel of the second electronic distance meter close to the rear end of the parking area covers the rear end of the carriage of the transport vehicle. The movement measuring stroke of each electronic distance measuring instrument is 9 meters.
In operation, referring to embodiment 1, the second electronic distance meter continues to move to the tail of the carriage in step 3, and when the distance measurement data suddenly increases, the second electronic distance meter is described to move to the position of the tail of the carriage of the transport vehicle, and the data of the carriage length ending point is recorded. The rest is the same as example 1.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (3)
1. The utility model provides a sampler range determining device, is including locating the support group of haulage vehicle parking area both sides, its characterized in that: the support group comprises a left support located on one side of a parking area and a right support located on the other side of the parking area, the left support and the right support are alternately arranged along the length direction of the parking area, a left linear guide rail and a right linear guide rail are respectively fixed on the top surfaces of the left support and the right support, the left linear guide rail and the right linear guide rail are mutually parallel, electronic distance measuring instruments are respectively fixed on guide rail sliding blocks, measuring ports of the electronic distance measuring instruments face the parking area, the moving measuring stroke of each electronic distance measuring instrument jointly covers the length range of the parking area, and the moving stroke of a first electronic distance measuring instrument close to the front end of the parking area is smaller than the total length of a transport vehicle and larger than the distance from the front end of the head of the transport vehicle to a carriage.
2. The sampler sampling range determining device of claim 1, wherein: the number of the left supports is two, the number of the right supports is one, the two left supports are respectively positioned at the front part and the rear part of the parking area in the length direction of the parking area, the right support is positioned at the middle part of the parking area, and the tail end of a carriage of the transport vehicle is covered by the movement measuring stroke of the electronic distance meter close to the rear end of the parking area.
3. A sampler sampling range determining device according to claim 2 wherein: the movement measuring stroke of each electronic distance meter is 6 meters.
Priority Applications (1)
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CN202022754039.6U CN213842667U (en) | 2020-11-25 | 2020-11-25 | Sampling range determining device of sampling machine |
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CN202022754039.6U CN213842667U (en) | 2020-11-25 | 2020-11-25 | Sampling range determining device of sampling machine |
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2020
- 2020-11-25 CN CN202022754039.6U patent/CN213842667U/en active Active
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