CN209797393U - Forklift stacking position detection device - Google Patents
Forklift stacking position detection device Download PDFInfo
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- CN209797393U CN209797393U CN201920620195.8U CN201920620195U CN209797393U CN 209797393 U CN209797393 U CN 209797393U CN 201920620195 U CN201920620195 U CN 201920620195U CN 209797393 U CN209797393 U CN 209797393U
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Abstract
The utility model discloses a device for detecting the placement position of a forklift stack, which comprises a first reflective photoelectric sensor and a second reflective photoelectric sensor which are arranged on the stack; a first reflective panel and a second reflective panel mounted on the shelf; the processing module is used for judging the placement position of the stack based on signals output by the first reflective photoelectric sensor and the second reflective photoelectric sensor and is electrically connected with the first reflective photoelectric sensor and the second reflective photoelectric sensor respectively; the first reflection panel is provided with a through hole. The utility model discloses can detect out the position of stack on goods shelves fast, accurately.
Description
Technical Field
the utility model belongs to the technical field of the device is used in the fork truck examination, concretely relates to fork truck stack locating position detection device.
Background
In forklift operation skill examinations, one of them is to put stacks on a pallet. As shown in fig. 1, the dimensional relationship between the stack 3 and the shelf 1 is shown, in which the blue portion in the drawing is the stack 3, the white area is the shelf 1, the size of the white area is 1200 × L, the size of the blue portion is 1000 × L-200, and the value of L is determined as the case may be, and generally L = (0.8 to 1) × vehicle width, and the unit of length and width is mm. As shown in fig. 2, the green area in the figure is a compliant area (abbreviated as examination prescription area 2) in the stack placement area, which is 1200 × L-100, and is located at the center of the shelf 1, and the examinee should place the stack 3 completely in the green area. The scoring rule is as follows:
(1) as shown in fig. 3, the stack 3 is completely placed in the green area without being broken down;
(2) as shown in fig. 4, when a portion of the stack 3 extends beyond the green area but does not extend 50mm beyond the edge of the shelf 1, it is deducted by 2 points;
(3) When stack 3 is placed 50mm beyond the front and rear edges of shelf 1, as shown in fig. 5, the buttons are 60 points.
at present, in forklift operation skill examination or training, whether the stacking position is accurate or not is judged manually, which is very troublesome. Particularly, the invigilators have different mastering standards, so that the judgment standards are inconsistent, and the examination students are unfair.
Therefore, there is a need to develop a new forklift stack locating position detecting device.
Disclosure of Invention
the utility model aims at providing a fork truck stack locating position detection device can be fast, the accurate position that detects out the stack on goods shelves.
A fork truck stack mounted position detection device, include:
A first reflective photoelectric sensor and a second reflective photoelectric sensor mounted on the stack;
A first reflective panel and a second reflective panel mounted on the shelf;
the processing module is used for judging the placement position of the stack based on signals output by the first reflective photoelectric sensor and the second reflective photoelectric sensor and is electrically connected with the first reflective photoelectric sensor and the second reflective photoelectric sensor respectively;
The first reflecting panel is provided with a through hole;
The first reflective photoelectric sensor and the first reflective panel satisfy a positional relationship:
After the stack is placed on the shelf, when the stack is placed in an examination specified area, light emitted by a light source of the first reflective photoelectric sensor passes through the through hole in the first reflective panel and cannot be sensed by a photosensitive element of the first reflective photoelectric sensor; when the stack is not placed in the examination specified area, light emitted by the light source of the first reflective photoelectric sensor can be sensed by the photosensitive element of the first reflective photoelectric sensor after being reflected by the first reflective panel;
the second reflective photoelectric sensor and the second reflective panel satisfy a positional relationship:
when the outer edge of the stack exceeds the front or rear edge amm of the shelf after the stack is placed on the shelf, the light from the light source of the second reflective photosensor is not directed onto the second reflective panel; when the outer edge of the stack does not extend beyond the front or rear edge amm of the shelf, light from the light source of the second reflective photosensor is reflected by the second reflective panel and sensed by the light sensitive elements of the second reflective photosensor.
And a is the distance of the preset unqualified line.
Further, the first reflecting panel and the second reflecting panel are both positioned in the goods shelf area, and the first reflecting panel and the second reflecting panel are not overlapped.
further, the length of the through hole in the left-right direction = the length of the examination prescription area in the left-right direction — the length of the stack in the left-right direction;
The length of the through hole in the front-back direction = the length of the shelf in the front-back direction — the length of the stack in the front-back direction;
the distance from the front edge of the through hole to the front edge of the first reflection panel and the distance from the rear edge of the through hole to the rear edge of the first reflection panel are both larger than or equal to a;
The distance from the left edge of the through hole to the left edge of the first reflection panel and the distance from the right edge of the through hole to the right edge of the first reflection panel are both larger than or equal to the length of the goods shelf in the left-right direction minus the length of the examination regulation area in the left-right direction.
Further, the length of the second reflecting panel in the left-right direction is more than or equal to the length of the goods shelf in the left-right direction-the length of the stack in the left-right direction;
the length of the second reflective panel in the front-to-back direction = the length of the shelf in the front-to-back direction-the length of the stack in the front-to-back direction + a × 2.
further, when the center of the stack is overlapped with the center of the shelf, the second reflective photoelectric sensor is positioned in the middle of the second reflective panel in the front-back direction.
Further, when the center of the stack is overlapped with the center of the shelf, the first reflective photoelectric sensor is located at the center of the through hole on the first reflective panel.
Further, the second reflection-type photoelectric sensor and the first reflection-type photoelectric sensor are arranged in a staggered mode in the left-right direction of the stack.
further, the device also comprises a display module electrically connected with the processing module.
further, the processing module comprises a single chip microcomputer and a wireless transmission unit electrically connected with the single chip microcomputer; the display module comprises a display unit and a wireless receiving unit electrically connected with the display unit; the processing module is in data communication with the wireless receiving unit of the display module through the wireless transmission unit.
The utility model has the advantages that: the stacking position detection device can quickly and accurately detect the position of the stack on the goods shelf, and effectively solves the problem that the discrimination standard is inconsistent because the size of the invigilator mastering the standard is different.
Drawings
FIG. 1 is a graph of the size relationship of stacks and shelves;
FIG. 2 is a graph of the dimensional relationship of racks, examination prescription areas and stacks;
FIG. 3 is a schematic view of the stack fully disposed within the examination prescription area;
FIG. 4 is a schematic view of the stack in any one or more directions beyond the examination prescription area;
FIG. 5 is a schematic view of the stack being positioned more than 50mm beyond the edge of the shelf;
Fig. 6 is a schematic distribution diagram of the installation positions of the first reflective photoelectric sensor and the second reflective photoelectric sensor in the present invention;
fig. 7 is a schematic distribution diagram of the installation positions of the first reflective panel and the second reflective panel in the present invention;
FIG. 8 is a schematic block diagram of the present invention;
in the figure: 1. the system comprises a shelf, 2, an examination regulation area, 3, a stack, 4, a first reflection type photoelectric sensor, 5, a second reflection type photoelectric sensor, 6, a first reflection panel, 7, a through hole, 8, a second reflection panel, 9, a processing module, 10 and a display module.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
as shown in fig. 6 to 8, a forklift stack locating position detection device includes a first reflective photoelectric sensor 4, a second reflective photoelectric sensor 5, a processing module 9, a display module 10, a first reflective panel 6 and a second reflective panel 8; the first reflective photoelectric sensor 4 and the second reflective photoelectric sensor 5 are electrically connected to a processing module 9, and the processing module 9 is electrically connected to a display module 10. The first and second reflective photoelectric sensors 4 and 5 are mounted on the stack 3. The first reflecting panel 6 is provided with a through hole 7; the first reflective panel 6 and the second reflective panel 8 are mounted on the shelf 1. The processing module 9 determines the placement position of the stack 3 based on the signals output by the first reflective photoelectric sensor 4 and the second reflective photoelectric sensor 5. The processing module 9 may also give the score of the examination according to a preset rule. The display module 10 is electrically connected with the processing module 9, and the display module 10 is used for displaying the test score condition.
In this embodiment, the processing module 9 includes a single chip microcomputer and a wireless transmission unit electrically connected to the single chip microcomputer, and is responsible for processing and transmitting signals. The display module 10 includes a display unit and a wireless receiving unit electrically connected to the display unit, and the processing module 9 performs data communication with the wireless receiving unit of the display module 10 through a wireless transmission unit.
The working principle of the reflection type photoelectric sensor is as follows: the light source and the photosensitive element are arranged, light emitted by the light source is reflected by the reflecting panel to be received by the photosensitive element, and the light is processed by the relevant circuit to obtain required information.
In the present embodiment, the positional relationship between the first reflective photoelectric sensor 4 and the first reflective panel 6 satisfies:
after the stack 3 is placed on the shelf 1, when the stack 3 is placed in the examination setting area 2, the light emitted by the light source of the first reflective photoelectric sensor 4 passes through the through hole 7 on the first reflective panel 6, and cannot be sensed by the photosensitive element of the first reflective photoelectric sensor 4. When the stack 3 is not placed in the examination setting area 2, light emitted by the light source of the first reflective photoelectric sensor 4 is reflected by the first reflective panel 6 and then can be sensed by the photosensitive element of the first reflective photoelectric sensor 4.
in the present embodiment, the positional relationship between the second reflective photoelectric sensor 5 and the second reflective panel 8 satisfies:
after the stack 3 is placed on the shelf 1, when the outer edge of the stack 3 does not exceed the front or rear edge amm of the shelf 1, light emitted from the light source of the second reflective photoelectric sensor 5 can be sensed by the photosensitive element of the second reflective photoelectric sensor 5 after being reflected by the second reflective panel 8; when the outer edge of the stack 3 exceeds the front or rear edge amm of the shelf 1, the light source of the second reflective photo-sensor 5 does not shine on the second reflective panel 8.
In this embodiment, the preset rule is:
When the photosensitive element of the first reflective photoelectric sensor 4 does not receive the reflected light, the stack 3 is correctly placed and is not broken;
when the photosensitive element of the first reflective photoelectric sensor 4 senses the reflected light and the photosensitive element of the second reflective photoelectric sensor 5 also receives the reflected light, it indicates that the stack 3 is not placed in place, the stack 3 is not placed beyond the goods shelf amm, and the score of 2 is deducted;
when the light sensor of the first reflective photoelectric sensor 4 senses the reflected light but the light sensor of the second reflective photoelectric sensor 5 does not receive the reflected light, it indicates that the stack 3 is not in place, and the stack 3 is placed beyond the shelf amm, and the button is 60 points.
As shown in fig. 7, in the present embodiment, the size and the positional relationship between the first reflective panel 6 and the second reflective panel 8 satisfy the following conditions:
(1) The first reflective panel 6 and the second reflective panel 8 are both located within the area of the shelf 1, and there is no overlap between the first reflective panel 6 and the second reflective panel 8.
(2) The length of the through hole in the left-right direction = the length of the examination prescription area in the left-right direction — the length of the stack in the left-right direction.
(3) the length of the through hole in the front-rear direction = the length of the shelf in the front-rear direction — the length of the stack in the front-rear direction.
(4) the distance from the front edge of the through hole 7 to the front edge of the first reflective panel 6 and the distance from the rear edge of the through hole 7 to the rear edge of the first reflective panel 6 are both greater than or equal to a.
(5) The distance from the left edge of the through hole 7 to the left edge of the first reflection panel 6 and the distance from the right edge of the through hole 7 to the right edge of the first reflection panel 6 are both greater than or equal to the length of the rack in the left-right direction minus the length of the examination provision area in the left-right direction.
(6) the length of the second reflecting panel in the left-right direction is more than or equal to the length of the goods shelf in the left-right direction-the length of the stacking in the left-right direction.
(7) The length of the second reflective panel in the front-to-back direction = the length of the shelf in the front-to-back direction-the length of the stack in the front-to-back direction + a × 2.
As shown in fig. 6 and 7, in the present embodiment, the positional relationship of the first and second reflective photosensors 4 and 5 satisfies the following condition:
(1) when the center of the stack 3 overlaps the center of the shelf 1, the second reflective photoelectric sensor 5 is located at a position intermediate in the front-rear direction of the second reflective panel 8.
(2) when the center of the stack 3 and the center of the shelf 1 overlap, the first reflective photoelectric sensor 4 is located at the center of the through hole 7 on the first reflective panel 6.
(3) The second reflective photoelectric sensor 5 and the first reflective photoelectric sensor 4 are arranged in a staggered manner in the left-right direction of the stack 3.
in this embodiment, if the examination stipulates that when the stack 3 is placed 50mm beyond the front or rear edge of the shelf 1, the button is 60 points, and the a is 50 mm.
Claims (9)
1. the utility model provides a fork truck stack locating position detection device which characterized in that includes:
A first reflective photoelectric sensor (4) and a second reflective photoelectric sensor (5) mounted on the stack (3);
a first reflective panel (6) and a second reflective panel (8) mounted on the shelf (1);
The processing module (9) judges the placement position of the stack (3) based on signals output by the first reflective photoelectric sensor (4) and the second reflective photoelectric sensor (5), and the processing module (9) is electrically connected with the first reflective photoelectric sensor (4) and the second reflective photoelectric sensor (5) respectively;
the first reflecting panel (6) is provided with a through hole (7);
The positional relationship between the first reflective photosensor (4) and the first reflective panel (6) satisfies:
after the stack (3) is placed on the shelf (1), when the stack (3) is placed in the examination specified area (2), light emitted by a light source of the first reflective photoelectric sensor (4) passes through the through hole (7) on the first reflective panel (6) and cannot be sensed by a photosensitive element of the first reflective photoelectric sensor (4); when the stack (3) is not placed in the examination specified area (2), light emitted by the light source of the first reflective photoelectric sensor (4) is reflected by the first reflective panel (6) and then can be sensed by the photosensitive element of the first reflective photoelectric sensor (4);
The second reflective photoelectric sensor (5) and the second reflective panel (8) satisfy the following positional relationship:
when the outer edge of the stack (3) exceeds the front or rear edge amm of the shelf (1) after the stack (3) is placed on the shelf (1), the light from the light source of the second reflective photosensor (5) cannot shine on the second reflective panel (8); when the outer edge of the stack (3) does not exceed the front or rear edge amm of the shelf (1), light emitted by the light source of the second reflective photoelectric sensor (5) can be sensed by the photosensitive element of the second reflective photoelectric sensor (5) after being reflected by the second reflective panel (8);
And a is the distance of the preset unqualified line.
2. The forklift stack locating position detecting device according to claim 1, wherein: the first reflective panel (6) and the second reflective panel (8) are both located in the area of the shelf (1), and there is no overlap between the first reflective panel (6) and the second reflective panel (8).
3. the forklift stack locating position detecting device according to claim 1 or 2, wherein:
the length of the through hole in the left-right direction = the length of the examination prescription area in the left-right direction — the length of the stack in the left-right direction;
The length of the through hole in the front-back direction = the length of the shelf in the front-back direction — the length of the stack in the front-back direction;
The distance from the front edge of the through hole (7) to the front edge of the first reflection panel (6) and the distance from the rear edge of the through hole (7) to the rear edge of the first reflection panel (6) are both larger than or equal to a;
the distance from the left edge of the through hole (7) to the left edge of the first reflection panel (6) and the distance from the right edge of the through hole (7) to the right edge of the first reflection panel (6) are both larger than or equal to the length of the goods shelf in the left-right direction minus the length of the examination regulation area in the left-right direction.
4. The forklift stack locating position detecting device according to claim 3, wherein: the length of the second reflecting panel in the left-right direction is more than or equal to the length of the goods shelf in the left-right direction-the length of the stacking in the left-right direction;
The length of the second reflective panel in the front-to-back direction = the length of the shelf in the front-to-back direction-the length of the stack in the front-to-back direction + a × 2.
5. The forklift stack locating detection device according to claim 1, 2 or 4, wherein: when the center of the stack (3) is overlapped with the center of the shelf (1), the second reflective photoelectric sensor (5) is positioned at the middle position of the second reflective panel (8) in the front-back direction.
6. the forklift stack locating position detecting device according to claim 5, wherein: when the center of the stack (3) is overlapped with the center of the shelf (1), the first reflective photoelectric sensor (4) is positioned at the center of the through hole (7) on the first reflective panel (6).
7. the forklift stack locating detection device according to claim 1, 2, 4 or 6, wherein: the second reflective photoelectric sensor (5) and the first reflective photoelectric sensor (4) are arranged in a staggered mode in the left-right direction of the stack (3).
8. the forklift stack locating position detecting device according to claim 7, wherein: and the display module (10) is electrically connected with the processing module (9).
9. The forklift stack locating position detecting device according to claim 8, wherein: the processing module (9) comprises a singlechip and a wireless transmission unit electrically connected with the singlechip; the display module (10) comprises a display unit and a wireless receiving unit electrically connected with the display unit; the processing module (9) is in data communication with a wireless receiving unit of the display module (10) through a wireless transmission unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620195.8U CN209797393U (en) | 2019-05-01 | 2019-05-01 | Forklift stacking position detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620195.8U CN209797393U (en) | 2019-05-01 | 2019-05-01 | Forklift stacking position detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209797393U true CN209797393U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920620195.8U Active CN209797393U (en) | 2019-05-01 | 2019-05-01 | Forklift stacking position detection device |
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|---|---|
| CN (1) | CN209797393U (en) |
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- 2019-05-01 CN CN201920620195.8U patent/CN209797393U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 401147 12-1, No. 120, Dachuan Shuian community, Yubei District, Chongqing Patentee after: Chongqing Yifeng Intelligent Technology Co.,Ltd. Address before: 401147 12-1, No. 120, Shuian community, Dachuan, Chongqing Patentee before: CHONGQING WINNER SOFTWARE CO.,LTD. |
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| CP03 | Change of name, title or address |