CN115573407B - Mining electric shovel bucket load monitoring system - Google Patents
Mining electric shovel bucket load monitoring system Download PDFInfo
- Publication number
- CN115573407B CN115573407B CN202211012087.5A CN202211012087A CN115573407B CN 115573407 B CN115573407 B CN 115573407B CN 202211012087 A CN202211012087 A CN 202211012087A CN 115573407 B CN115573407 B CN 115573407B
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- Prior art keywords
- bucket
- bottom plate
- main body
- bolt
- mining electric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005065 mining Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 206010063385 Intellectualisation Diseases 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/401—Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Component Parts Of Construction Machinery (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention discloses a mining electric shovel bucket load monitoring system, which comprises a bucket main body, wherein a movable bottom plate and a bucket opening mechanism capable of being covered are arranged at the bottom opening of the bucket main body, and air cylinders are arranged at four corners of the inner wall of the bucket main body; the movable bottom plate comprises a bottom plate main body capable of sliding up and down, and a rectangular hole for providing a discharging channel for materials in the bucket is formed in the middle of the bottom plate main body; four guide blocks respectively corresponding to the air cylinders are arranged at the upper ends of four corners of the bottom plate main body, the bottom of a piston rod of each air cylinder is connected with a tension pressure sensor, each tension pressure sensor is connected with the corresponding guide block, each tension pressure sensor transmits detected signals to the corresponding vehicle-mounted terminal, whether the bucket is full or not is judged, and the opening and closing of the bucket opening and closing mechanism is controlled, so that the requirements of the mining electric shovel on intellectualization and automation in the excavating process can be met.
Description
Technical Field
The invention relates to the technical field of electric shovel control, in particular to a mining electric shovel bucket load monitoring system.
Background
Currently, along with the development of scientific technology, automation becomes an important direction for the development of mining electric shovels. In the operation process of the electric shovel, due to different proficiency levels of operators, full shovels for each digging can not be ensured, so that the digging efficiency is reduced, the yield is reduced, and the economic benefit is further influenced. Therefore, the research significance of weighing the mining electric shovel bucket is to improve the digging efficiency of the mining electric shovel, ensure the stable full digging rate, improve the digging output of a single shovel, reduce the digging times, improve the economic benefit, reduce the influence of human factors on the digging efficiency and the like, so as to realize long-term efficient digging. Accordingly, there is a need for a control system that performs a weight analysis of the material in the bucket.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a mining electric shovel bucket load monitoring system which can meet the requirements of the mining electric shovel on intellectualization and automation in the process of excavation.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a mining electric shovel bucket load monitoring system, which comprises a bucket main body, wherein an opening mechanism capable of being covered is arranged at the bottom opening of the bucket main body;
the four corners of the inner wall of the bucket main body are provided with air cylinders and partition plates for protecting the air cylinders, and the output ends of the air cylinders are connected with a movable bottom plate and control the movable bottom plate to move up and down;
the movable bottom plate comprises a bottom plate main body capable of sliding up and down, and a rectangular hole for providing a discharging channel for materials in the bucket is formed in the middle of the bottom plate main body; four guide blocks corresponding to the air cylinders are arranged at the upper ends of four corners of the bottom plate main body, the bottoms of the piston rods of the air cylinders are connected with tension pressure sensors, and the tension pressure sensors are connected with the corresponding guide blocks;
The bucket opening mechanism comprises a bucket bottom plate hinged with the movable bottom plate, the bottom of the bucket bottom plate is provided with a bucket bolt and a bucket bolt guide seat which are mutually matched and in sliding connection, one end of the bucket bolt, which is far away from the bucket bolt guide seat, is hinged with a bucket opening cylinder, and the bottom of the movable bottom plate is provided with a bucket bolt socket which is matched with the bucket bolt guide seat and is used for inserting the bucket bolt;
the bucket opening cylinder can drive the bucket bolt to slide, so that the bucket bolt slides out of the bucket bolt socket along the bucket bolt guide seat, and the bucket bottom plate is opened.
Preferably, a first hinge pivot is arranged on one side surface of the bottom plate main body, a second hinge pivot matched with the first hinge pivot is arranged on the bucket opening mechanism, and a connecting pin shaft between the first hinge pivot and the second hinge pivot is hinged with each other.
Preferably, the bucket main body is also provided with a wiring port which is convenient for a signal wire of the tension pressure sensor to pass through, the signal wire is connected with wireless transmission equipment, and a signal of the tension pressure sensor is transmitted to a vehicle-mounted terminal of the mining electric shovel through the wireless transmission equipment.
Preferably, the partition plate is formed by welding a plurality of steel plates, and the partition plate is used for providing a protective installation space for the air cylinder, separating materials in the bucket main body from the air cylinder and simultaneously serving as a sliding rail for the bucket opening mechanism to move up and down.
Preferably, the bucket bottom plate is made of steel plates, and the bottom surface of the bucket bottom plate is provided with reinforcing rib plates.
Preferably, a limit switch for detecting the displacement of the movable bottom plate is arranged on the bucket body, and the limit switch is transmitted to a vehicle-mounted terminal of the mining electric shovel through wireless transmission equipment.
The invention has the beneficial effects that: according to the invention, the movable bottom plate and the bucket opening mechanism are arranged in the bucket main body, on one hand, the quality of materials is measured through the tension and pressure sensors on the four cylinders, and data are wirelessly transmitted to the vehicle-mounted terminal and displayed, so that the operation difficulty is reduced, safety accidents caused by overweight are avoided, and the operation safety is improved; on the other hand, the full bucket amount of the bucket body is set through the combination of the limit switch and the movable bottom plate, and when the material quality in the bucket body reaches a set value, the limit switch transmits a signal to the vehicle-mounted terminal so as to conveniently control the excavation amount.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a mining electric shovel bucket load monitoring system provided by an embodiment of the invention;
FIG. 2 is a schematic view of a cylinder installation provided by an embodiment of the present invention;
FIG. 3 is a schematic view of a movable floor structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a bucket opening mechanism provided by an embodiment of the present invention;
FIG. 5 is a flow chart illustrating the use of a mining electric shovel bucket load monitoring system according to an embodiment of the present invention.
Reference numeral 1, a bucket body; 2. a cylinder fixing body; 3. a wireless transmission device; 4. a limit switch; 5. a movable floor; 51. a base plate main body; 6. a bucket opening mechanism; 61. a bucket bottom plate; 7. a partition plate; 8. a cylinder; 9. a wiring port; 10. a pull pressure sensor; 11. a guide block; 12. a bucket bolt socket; 13. a first hinge point; 14. a second hinge point; 15. a bucket opening cylinder; 16. a bucket bolt; 17. and a bucket bolt guide seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-4, a mining electric shovel bucket load monitoring system,
The bucket comprises a bucket body 1 and a cylinder fixed body 2, wherein a movable bottom plate 5 and a bucket opening mechanism 6 capable of being covered are arranged in the bucket body 1, and the bucket opening mechanism 6 is arranged at the bottom opening;
The four corners of the inner wall of the bucket body 1 are provided with a cylinder 8 and a baffle 7 for protecting the cylinder 8; the partition 7 forms an air cylinder fixing main body 2 to protect an air cylinder 8;
The partition 7 is formed by welding a plurality of steel plates, and has the function of providing a protective installation space for the air cylinder 8, separating materials in the bucket main body 1 from the air cylinder 8 and simultaneously serving as a sliding rail for the bucket opening mechanism 6 to move up and down.
The movable bottom plate 5 comprises a bottom plate main body 51 capable of sliding up and down, and a rectangular hole for providing a discharging channel for materials in the bucket is formed in the middle of the bottom plate main body 51; four guide blocks 11 respectively corresponding to the air cylinders 8 are arranged at the upper ends of four corners of the bottom plate main body 51, the bottoms of piston rods of the air cylinders 8 are connected with the tension pressure sensors 10, and the tension pressure sensors 10 are connected with the corresponding guide blocks 11;
the bucket opening mechanism 6 comprises a bucket bottom plate 61 hinged with the movable bottom plate 5, the bucket bottom plate 61 is made of steel plates, and a reinforcing rib plate is arranged on the bottom surface of the bucket bottom plate 61;
One side surface of the bottom plate main body 51 is provided with a first hinge pivot 13, the bucket opening mechanism 6 is provided with a second hinge pivot 14 matched with the first hinge pivot 13, and a connecting pin shaft between the first hinge pivot 13 and the second hinge pivot 14 is hinged with each other.
The bottom of the bucket bottom plate 61 is provided with a bucket bolt 16 and a bucket bolt guide seat 17 which are mutually matched and in sliding connection, one end of the bucket bolt 16 away from the bucket bolt guide seat 17 is hinged with a bucket opening cylinder 15, and the bottom of the movable bottom plate 5 is provided with a bucket bolt socket 12 which is matched with the bucket bolt guide seat 17 and is used for inserting the bucket bolt 16;
the bucket opening cylinder 15 can drive the bucket bolt 16 to slide, so that the bucket bolt 16 slides out of the bucket bolt socket 12 along the bucket bolt guide seat 17, and the bucket bottom plate 61 is opened.
The bucket body 1 is also provided with a wiring port 9 which is convenient for a signal wire of the tension pressure sensor 10 to pass through, the signal wire is connected with the wireless transmission equipment 3, and a signal of the tension pressure sensor 10 is transmitted to a vehicle-mounted terminal of the mining electric shovel through the wireless transmission equipment 3.
The bucket body is provided with a limit switch 4 for detecting the displacement of the movable bottom plate 5, and the limit switch 4 is transmitted to a vehicle-mounted terminal of the mining electric shovel through the wireless transmission equipment 3.
Referring to fig. 5, initially, the bucket body 1 performs an excavating operation first, and when the bucket body 1 reaches the highest point, the material in the bucket body 1 applies a force to the movable floor 5 by gravity, and the movable floor 5 is displaced downward by the force.
Because the piston rod one end of cylinder 8 is fixed with and draws pressure sensor 10, the gravity of material is under the effect of displacement, will draw pressure sensor 10 with the effect of force transfer, draw pressure sensor 10 to detect the signal of force after pass on wireless transmission equipment 3, wireless transmission equipment 3 adopts wireless transmission's mode to send the signal to vehicle-mounted terminal.
The force signal is transmitted into an embedded controller of the vehicle-mounted terminal, the embedded controller obtains and reads the voltage signal of the pull pressure sensor 10 and then carries out operation to obtain the mass value of the material in the bucket main body 1 at the moment and displays the mass value on the vehicle-mounted terminal, and the mass value is identified as the real-time mass of the material in the bucket main body 1;
The limit switch 4 is fixed on the outer side of the bucket of the mining electric shovel, the downward displacement of the movable bottom plate 5 is detected, a set value of the full bucket is determined through calculation and analysis according to the mass of materials in the bucket main body 1 when the bucket is full, when the downward displacement of the movable bottom plate 5 reaches the set value, the limit switch 4 is activated, a signal is transmitted to the wireless transmission equipment 3 through a signal wire, and the wireless transmission equipment 3 transmits the signal to the vehicle-mounted terminal in a wireless transmission mode.
The in-place signal of the limit switch 4 is transmitted into an embedded controller of the vehicle-mounted terminal, after the embedded controller obtains the in-place signal, the full bucket state is reached through processing judgment, and the embedded controller outputs a voltage signal, so that an external full bucket indicating lamp is lightened, and an operator is prompted to 'full bucket'.
After the operator determines "full bucket", he controls the bucket opening cylinder 15 to open the bucket floor 61, and the material in the bucket body 1 falls into the loading area of the loading vehicle through the rectangular opening in the middle of the movable floor 5.
After the unloading is completed, the bucket opening mechanism 6 is closed, and the movable bottom plate 5 is restored to the original position under the action of the air pressure in the air cylinder 8 to prepare for the next excavating operation.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The utility model provides a mining electric shovel scraper bowl load monitoring system which characterized in that: the bucket comprises a bucket body (1), wherein a bucket opening mechanism (6) capable of being covered is arranged at the bottom opening of the bucket body (1);
The four corners of the inner wall of the bucket main body (1) are provided with air cylinders (8) and partition plates (7) for protecting the air cylinders (8), and the output ends of the air cylinders (8) are connected with a movable bottom plate (5) and control the movable bottom plate to move up and down;
The movable bottom plate (5) comprises a bottom plate main body (51) capable of sliding up and down, and a rectangular hole for providing a discharging channel for materials is formed in the middle of the bottom plate main body (51); four guide blocks (11) corresponding to the air cylinders (8) are arranged at the upper ends of four corners of the bottom plate main body (51), the bottoms of piston rods of the air cylinders (8) are connected with the corresponding guide blocks (11), and the quality of materials is measured through the four guide blocks (11) corresponding to the pressure sensors (10) on the air cylinders (8);
The bucket opening mechanism (6) comprises a bucket bottom plate (61) hinged with the movable bottom plate (5), a bucket bolt (16) and a bucket bolt guide seat (17) which are mutually matched and are in sliding connection are arranged at the bottom of the bucket bottom plate (61), one end, far away from the bucket bolt guide seat (17), of the bucket bolt (16) is connected with a piston rod of the bucket opening cylinder (15), and a bucket bolt socket (12) which is matched with the bucket bolt guide seat (17) and is used for inserting the bucket bolt (16) is arranged at the bottom of the movable bottom plate (5);
the bucket opening cylinder (15) can drive the bucket bolt (16) to slide, so that the bucket bolt (16) slides out of the bucket bolt socket (12) along the bucket bolt guide seat (17), and the bucket bottom plate (61) is opened.
2. A mining electric shovel bucket load monitoring system according to claim 1 wherein: one side of the bottom plate main body (51) is provided with a first hinge pivot (13), the bucket opening mechanism (6) is provided with a second hinge pivot (14) which is matched with the first hinge pivot (13), and a connecting pin shaft between the first hinge pivot (13) and the second hinge pivot (14) is mutually hinged.
3. A mining electric shovel bucket load monitoring system according to claim 1 wherein: the bucket body (1) is also provided with a wiring port (9) which is convenient for a signal wire of the tension pressure sensor (10) to pass through, the signal wire is connected with the wireless transmission equipment (3), and a signal of the tension pressure sensor (10) is transmitted to a vehicle-mounted terminal of the mining electric shovel through the wireless transmission equipment (3).
4. A mining electric shovel bucket load monitoring system according to claim 1 wherein: the baffle (7) is formed by welding a plurality of steel plates, and is used for providing a protection installation space for the air cylinder (8), separating materials in the bucket main body (1) from the air cylinder (8) and simultaneously serving as a sliding rail for the bucket opening mechanism (6) to move up and down.
5. A mining electric shovel bucket load monitoring system according to claim 1 wherein: the bucket bottom plate (61) is made of steel plates, and a reinforcing rib plate is arranged on the bottom surface of the bucket bottom plate.
6. A mining electric shovel bucket load monitoring system according to claim 1 wherein: the mining shovel is characterized in that a limit switch (4) for detecting the displacement of the movable bottom plate (5) is arranged on the shovel body (1), and the limit switch (4) transmits collected signals to a vehicle-mounted terminal of the mining shovel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211012087.5A CN115573407B (en) | 2022-08-23 | 2022-08-23 | Mining electric shovel bucket load monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211012087.5A CN115573407B (en) | 2022-08-23 | 2022-08-23 | Mining electric shovel bucket load monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115573407A CN115573407A (en) | 2023-01-06 |
| CN115573407B true CN115573407B (en) | 2024-05-28 |
Family
ID=84579629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211012087.5A Active CN115573407B (en) | 2022-08-23 | 2022-08-23 | Mining electric shovel bucket load monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115573407B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10245874A (en) * | 1997-03-06 | 1998-09-14 | Sumitomo Constr Mach Co Ltd | Load weight computing device for hydraulic shovel |
| KR101229085B1 (en) * | 2012-07-31 | 2013-02-01 | 주식회사 동해기계항공 | Differential pressure-type load detecting device and a boom controlling apparatus of a high-place working vehicle utilizing the same |
| CN103335696A (en) * | 2013-06-24 | 2013-10-02 | 中钢集团衡阳重机有限公司 | Dredger electric shovel weighing method |
| CN106988360A (en) * | 2017-04-19 | 2017-07-28 | 湖南美奕机电科技有限公司 | Mine excavator with material metage function |
| KR20200012584A (en) * | 2018-07-27 | 2020-02-05 | 건설기계부품연구원 | Method of Measuring Work Load for Excavators and system thereof |
| CN111441403A (en) * | 2020-03-30 | 2020-07-24 | 济宁迈斯伯尔机械股份有限公司 | Intelligent detection and protection system based on pressure of excavator bucket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8498787B2 (en) * | 2011-05-27 | 2013-07-30 | Caterpillar Trimble Control Technologies Llc | Method and system for monitoring the operation of a cable shovel machine |
-
2022
- 2022-08-23 CN CN202211012087.5A patent/CN115573407B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10245874A (en) * | 1997-03-06 | 1998-09-14 | Sumitomo Constr Mach Co Ltd | Load weight computing device for hydraulic shovel |
| KR101229085B1 (en) * | 2012-07-31 | 2013-02-01 | 주식회사 동해기계항공 | Differential pressure-type load detecting device and a boom controlling apparatus of a high-place working vehicle utilizing the same |
| CN103335696A (en) * | 2013-06-24 | 2013-10-02 | 中钢集团衡阳重机有限公司 | Dredger electric shovel weighing method |
| CN106988360A (en) * | 2017-04-19 | 2017-07-28 | 湖南美奕机电科技有限公司 | Mine excavator with material metage function |
| KR20200012584A (en) * | 2018-07-27 | 2020-02-05 | 건설기계부품연구원 | Method of Measuring Work Load for Excavators and system thereof |
| CN111441403A (en) * | 2020-03-30 | 2020-07-24 | 济宁迈斯伯尔机械股份有限公司 | Intelligent detection and protection system based on pressure of excavator bucket |
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| Publication number | Publication date |
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| CN115573407A (en) | 2023-01-06 |
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