CN108132356B - Grass cutting head detection device for grass cutting machine - Google Patents
Grass cutting head detection device for grass cutting machine Download PDFInfo
- Publication number
- CN108132356B CN108132356B CN201711476847.7A CN201711476847A CN108132356B CN 108132356 B CN108132356 B CN 108132356B CN 201711476847 A CN201711476847 A CN 201711476847A CN 108132356 B CN108132356 B CN 108132356B
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- Prior art keywords
- grass
- grass cutting
- cutting
- machine
- head
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 108
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000010009 beating Methods 0.000 abstract description 15
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a grass cutting head detection device for a grass cutting machine, which comprises a machine table and a limiting assembly, wherein the limiting assembly is arranged on the machine table and used for limiting the grass cutting machine; one side of the machine table is provided with a detection frame, a grass cutting head of the grass cutting machine is arranged in the detection frame in an extending mode, and the grass cutting head is driven by a driving device arranged in the grass cutting machine; the detection frame is also provided with a measuring device for measuring the rotating speed of the grass mowing head and a cutting device for cutting the grass mowing rope on the grass mowing head. The beneficial effects of the invention are mainly as follows: the structure is simple and exquisite, the degree of automation is high, and the speed of the grass mowing head can be obtained through the detection of the speed of the grass mowing rope by the infrared device, so that the speed of the grass mowing head is more accurate. Meanwhile, the length of the grass beating rope can be accurately controlled through the cutting device, and the problems that the grass beating rope is too long to cause high grass beating difficulty, difficult to control and easy to break are avoided.
Description
Technical Field
The invention relates to a detection device, in particular to a grass cutting head detection device used on a grass cutting machine.
Background
The grass trimmer is a trimming tool and is applied to lawn trimming work in families and public places. At present, a grass mowing rope arranged on a grass mowing machine synchronously rotates along with a grass mowing head and is used for cutting and managing grass with different heights on a lawn.
When the manufactured grass cutting machine is detected by a manufacturer, the grass cutting head is required to rotate at a high speed to drive the grass cutting rope arranged on the grass cutting head to rotate so as to realize cutting and treatment of a lawn, so that the rotating speed of the grass cutting head is required to be detected to meet the requirements of cutting the lawn, but at present, a driving motor is usually detected, but the condition that the grass cutting head does not rotate possibly exists, and the actual use is possibly influenced. In addition, the grass beating rope on the grass beating head has certain requirements, the grass beating rope is too long in length, relatively high in grass beating difficulty, not easy to control and easy to break, the length of the grass beating rope is required to be limited in a certain range, at present, the grass beating rope is usually measured and intercepted manually, but the workload of manual operation is relatively high, and unnecessary cost expenditure of enterprises is increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a grass mowing head detection device for a grass mowing machine.
The aim of the invention is achieved by the following technical proposal
A grass cutting head detection device for a grass cutting machine comprises a machine table and a limiting assembly arranged on the machine table for limiting the grass cutting machine; one side of the machine table is provided with a detection frame, a grass cutting head of the grass cutting machine is arranged in the detection frame in an extending mode, and the grass cutting head is driven by a driving device arranged in the grass cutting machine; the detection frame is also provided with a measuring device for measuring the rotating speed of the grass mowing head and a cutting device for cutting the grass mowing rope on the grass mowing head.
Preferably, a groove is formed in the detection frame, and the engagement portion of the grass mowing machine is clamped in the groove and used for limiting the grass mowing head.
Preferably, the driving device is a driving motor.
Preferably, the measuring device comprises an infrared emitter arranged in the detection frame and an infrared receiver for receiving infrared rays emitted by the infrared emitter, and the infrared rays emitted by the infrared emitter intersect with the grass mowing rope in a rotating state.
Preferably, the cutting device at least comprises guide rails arranged on two sides of the grass cutting head, each guide rail is provided with a sliding block, the sliding blocks are provided with sliding grooves matched with the guide rails, and the sliding blocks can slide on the guide rails; each sliding block is provided with a notch, and a cutting piece is accommodated between the two notches.
Preferably, a tightening bolt is further arranged on the sliding block, and the tightening bolt can extend from one side of the sliding block to be placed in the notch so as to press the cutting piece in the notch.
Preferably, the distance between the infrared emitter and the grass cutting head is smaller than the distance between the cut piece and the grass cutting head.
Preferably, the cutting device at least comprises a driving cylinder, and a cylinder shaft of the driving cylinder is fixedly connected with one of the sliding blocks.
Preferably, the guide rail is marked with scales.
The beneficial effects of the invention are mainly as follows: the structure is simple and exquisite, the degree of automation is high, and the speed of the grass mowing head can be obtained through the detection of the speed of the grass mowing rope by the infrared device, so that the speed of the grass mowing head is more accurate. Meanwhile, the length of the grass beating rope can be accurately controlled through the cutting device, and the problems that the grass beating rope is too long to cause high grass beating difficulty, difficult to control and easy to break are avoided.
Drawings
The technical scheme of the invention is further described below with reference to the accompanying drawings:
fig. 1: the grass trimmer is structurally schematic;
fig. 2: the invention is a top view.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present invention, and structural, methodological, or functional modifications of the invention from those skilled in the art are included within the scope of the invention.
As shown in fig. 1 to 2, the invention discloses a grass cutting head detection device for a grass cutting machine, which comprises a machine table and a limiting assembly arranged on the machine table and used for limiting the grass cutting machine 2. One side of the machine is provided with a detection frame 3, the grass cutting head 21 of the grass cutting machine 2 is arranged in the detection frame 3 in an extending mode, a groove 31 is formed in the detection frame 3, and a connecting portion on the grass cutting machine 2 is clamped in the groove 31 and used for limiting the grass cutting head 21. The grass cutting head 21 is driven by a driving device which is arranged inside the grass cutting machine 2 and is a driving motor.
The detection frame 3 is provided with a measuring device 4 for measuring the rotation speed of the grass cutting head 21, the measuring device 4 comprises an infrared emitter 41 and an infrared receiver 42, the infrared emitter 41 is arranged in the detection frame 3, the infrared receiver 42 is used for receiving infrared rays emitted by the infrared emitter 41, the infrared rays emitted by the infrared emitter 41 intersect with the grass cutting rope 22 in a rotating state, the rotation speed of the grass cutting rope 22 is obtained through the quantity between the infrared emitter 41 and the infrared receiver 42 in a certain time, and the grass cutting rope 22 is driven by the grass cutting head 21, so that the rotation speed of the grass cutting head 21 is obtained.
The detection frame 3 is provided with a cutting device 5 for cutting the grass cutting rope 22 on the grass cutting head 21, the cutting device 5 at least comprises guide rails 51 arranged on two sides of the grass cutting head 21, each guide rail is provided with a sliding block 52, the sliding blocks 52 are provided with a sliding groove matched with the guide rails 51, and the sliding blocks 52 can slide on the guide rails 51; each slider 52 is provided with a notch 54, and a cutting piece 55 is accommodated between two notches 54. The slider 52 is further provided with a tightening bolt 56, and the tightening bolt 56 may extend from one side of the slider 52 to be placed in the recess 54, so as to press the cut piece 55 into the recess 54.
Preferably, the cutting device 5 includes at least a driving cylinder 57, and a cylinder shaft of the driving cylinder 57 is fixedly connected with one of the sliders 52. The guide rail 51 is marked with graduations.
Further, the distance between the infrared emitter 41 and the grass cutting head 21 is smaller than the distance between the cut piece 55 and the grass cutting head 21.
The beneficial effects of the invention are mainly as follows: the structure is simple and exquisite, the degree of automation is high, and the speed of the grass mowing head can be obtained through the detection of the speed of the grass mowing rope by the infrared device, so that the speed of the grass mowing head is more accurate. Meanwhile, the length of the grass beating rope can be accurately controlled through the cutting device, and the problems that the grass beating rope is too long to cause high grass beating difficulty, difficult to control and easy to break are avoided.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (3)
1. A grass-mowing head detection device for on grass-mowing machine, its characterized in that: comprises a machine table and a limiting component which is arranged on the machine table and used for limiting the grass mowing machine (2); one side of the machine table is provided with a detection frame (3), a grass cutting head (21) of the grass cutting machine (2) is arranged in the detection frame (3) in an extending mode, and the grass cutting head (21) is driven by a driving device arranged in the grass cutting machine (2); the detection frame (3) is also provided with a measuring device (4) for measuring the rotating speed of the grass cutting head (21) and a cutting device (5) for cutting the grass cutting rope (22) on the grass cutting head (21); the measuring device (4) comprises an infrared emitter (41) arranged in the detection frame (3) and an infrared receiver (42) for receiving infrared rays emitted by the infrared emitter (41), wherein the infrared rays emitted by the infrared emitter (41) intersect with the grass cutting rope (22) in a rotating state; the cutting device (5) at least comprises guide rails (51) arranged on two sides of the grass cutting head (21), each guide rail is provided with a sliding block (52), each sliding block (52) is provided with a sliding groove matched with the guide rail (51), and the sliding blocks (52) can slide on the guide rails (51); each sliding block (52) is provided with a notch (54), and a cutting piece (55) is accommodated between the two notches (54); the slider (52) is also provided with a tightening bolt (56), and the tightening bolt (56) can extend from one side of the slider (52) to be placed in the notch (54) so as to press the cutting piece (55) in the notch (54); the distance between the infrared emitter (41) and the grass cutting head (21) is smaller than the distance between the cutting piece (55) and the grass cutting head (21); a groove (31) is formed in the detection frame (3), and a connecting part on the grass cutting machine (2) is clamped in the groove (31) and used for limiting the grass cutting head (21); the driving device is a driving motor.
2. The grass cutting head detection device for a grass cutting machine as claimed in claim 1, wherein: the cutting device (5) at least comprises a driving cylinder (57), and a cylinder shaft of the driving cylinder (57) is fixedly connected with one of the sliding blocks (52).
3. The grass cutting head detection device for a grass cutting machine according to claim 2, wherein: the guide rail (51) is marked with scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476847.7A CN108132356B (en) | 2017-12-29 | 2017-12-29 | Grass cutting head detection device for grass cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476847.7A CN108132356B (en) | 2017-12-29 | 2017-12-29 | Grass cutting head detection device for grass cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108132356A CN108132356A (en) | 2018-06-08 |
| CN108132356B true CN108132356B (en) | 2024-01-05 |
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ID=62393764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711476847.7A Active CN108132356B (en) | 2017-12-29 | 2017-12-29 | Grass cutting head detection device for grass cutting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108132356B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111742690B (en) * | 2019-03-26 | 2022-09-06 | 苏州宝时得电动工具有限公司 | Line releasing method of grass mowing device and automatic mower |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718796A (en) * | 2009-12-01 | 2010-06-02 | 苏州奔腾塑业有限公司 | Rotating speed and revolution number display device of electrical tool |
| CN103875351A (en) * | 2012-12-19 | 2014-06-25 | 株式会社牧田 | Electric mowing machine |
| CN204707485U (en) * | 2015-04-08 | 2015-10-21 | 苏州宝时得电动工具有限公司 | Weeding apparatus |
| CN205232798U (en) * | 2015-01-23 | 2016-05-18 | 株式会社牧田 | An edge -trimmer |
| CN106416588A (en) * | 2015-08-05 | 2017-02-22 | 南京德朔实业有限公司 | Grass trimmer and control method thereof |
| WO2017109318A1 (en) * | 2015-12-23 | 2017-06-29 | PELLENC (Société Anonyme) | Anticipative electric mower and method of piloting such a mower |
| CN207586248U (en) * | 2017-12-29 | 2018-07-06 | 苏州奔腾塑业有限公司 | Moving head detection device on grass-mowing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6311398B1 (en) * | 1998-07-22 | 2001-11-06 | Dennis R. Peterson | Method and apparatus for simplified, fully automatic spool filament impeller for use in vegetation trimmer cutting heads and other applications |
| EP2835045B1 (en) * | 2013-08-05 | 2019-06-19 | Black & Decker Inc. | Vegetation cutting device |
-
2017
- 2017-12-29 CN CN201711476847.7A patent/CN108132356B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718796A (en) * | 2009-12-01 | 2010-06-02 | 苏州奔腾塑业有限公司 | Rotating speed and revolution number display device of electrical tool |
| CN103875351A (en) * | 2012-12-19 | 2014-06-25 | 株式会社牧田 | Electric mowing machine |
| CN205232798U (en) * | 2015-01-23 | 2016-05-18 | 株式会社牧田 | An edge -trimmer |
| CN204707485U (en) * | 2015-04-08 | 2015-10-21 | 苏州宝时得电动工具有限公司 | Weeding apparatus |
| CN106416588A (en) * | 2015-08-05 | 2017-02-22 | 南京德朔实业有限公司 | Grass trimmer and control method thereof |
| WO2017109318A1 (en) * | 2015-12-23 | 2017-06-29 | PELLENC (Société Anonyme) | Anticipative electric mower and method of piloting such a mower |
| CN108471709A (en) * | 2015-12-23 | 2018-08-31 | 佩朗股份有限公司 | It is expected that formula power-operated mower and the method for guiding this grass trimmer |
| CN207586248U (en) * | 2017-12-29 | 2018-07-06 | 苏州奔腾塑业有限公司 | Moving head detection device on grass-mowing machine |
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| CN108132356A (en) | 2018-06-08 |
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