CN113758547B - Method for installing electronic scale of coal blending device under coal bunker - Google Patents
Method for installing electronic scale of coal blending device under coal bunker Download PDFInfo
- Publication number
- CN113758547B CN113758547B CN202110968284.3A CN202110968284A CN113758547B CN 113758547 B CN113758547 B CN 113758547B CN 202110968284 A CN202110968284 A CN 202110968284A CN 113758547 B CN113758547 B CN 113758547B
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- China
- Prior art keywords
- electronic scale
- flat car
- coal
- installing
- belt conveyor
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- 239000003245 coal Substances 0.000 title claims abstract description 55
- 238000002156 mixing Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004939 coking Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
- G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/003—Details; specially adapted accessories
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The method for installing the electronic scale of the coal blending device under the coal bunker is characterized by comprising the following steps of: a. installing the disc feeder and the belt conveyor support under the coal bunker, using the cross beam of the belt conveyor support as the slide rail of the roller, b, manufacturing the flatbed, c, providing a winch, fixing the front end of the belt conveyor support under the coal bunker at d, at one end of the belt conveyor support, conveying the electronic scale to the flatbed through a forklift, e, repeating the step d to sequentially install other electronic scales, and installing from one end to the other end in the installation sequence from inside to outside. The mounting method of the electronic scale of the coal blending device under the coal bunker has the advantages of simple structure of the flat car and the sliding rail thereof, convenient manufacture, greatly reduced operation surface required by mounting, no need of building a large number of temporary roads, reduced loading, unloading and transporting times of the electronic scale of the coal blending device in the mounting process, good effect on protecting finished equipment, improved mounting speed, saved mounting labor and reduced engineering cost.
Description
Technical Field
The invention relates to an installation method of an electronic scale, in particular to an installation method of an electronic scale of a coal blending device under a coal bunker.
Background
The electronic scale of the coal blending device is widely applied to coal blending conveying projects of coking raw material coal bins of steel mills, generally more than ten coal bins are closely arranged in a straight line, 4 disc feeders are arranged below each coal bin and feed coal to the belt conveyor through the electronic scale for blending coal, and the belt conveyor below the bin runs through all the coal bins in a straight line, so that the installation workload and difficulty of the electronic scale for blending coal are very large. The technological principle is that firstly, various coals fall into an electronic scale of a coal blending device from a coal bin through a disc feeder for metering, then fall into a conveying belt conveyor, and the coals are conveyed to a place where a factory needs through a belt. Therefore, the coal blending electronic scale is positioned between the disc feeder and the conveyor belt conveyor, so that the traditional installation sequence is that the disc feeder is installed firstly, then the coal blending electronic scale is installed, and finally the conveyor belt conveyor is installed, and the installation sequence from top to bottom is adopted, so that the installation time is too long. Meanwhile, the electronic scale is very difficult to install, the electronic scale is finished equipment, the overall size is large, an installation hole is reserved between adjacent coal bins, a temporary road is built, the electronic scale is conveyed to the coal bin side by a forklift, the electronic scale is moved into the bin a bit by bit until reaching an installation position by a chain block, then the coal blending electronic scale is lifted to the designed height by hanging the chain block at the top of the installation position, the plane position and the space height of the electronic scale are adjusted, an electronic scale bracket is welded after the position is correct, and the electronic scale is fixed. The whole electronic scale installation process, the transportation equipment is put in place and inputs a large amount of manpower and material resources, the installation accuracy control difficulty is very high, the finished product protection difficulty of the equipment in the transportation and installation processes is very high, the cross operation is too high in restriction on the progress of the whole project, and the safety risk is also very high.
Therefore, the mounting mode of the electronic scale of the coal blending device under the known coal bunker has various inconveniences and problems.
Disclosure of Invention
The invention aims to provide a safe and reliable mounting method of an electronic scale of a coal blending device under a coal bunker.
In order to achieve the above object, the technical solution of the present invention is:
the method for installing the electronic scale of the coal blending device under the coal bunker is characterized by comprising the following steps of:
a. a disc feeder and a belt conveyor bracket below the coal bunker are installed, and a cross beam of the belt conveyor bracket is used as a slide rail of a roller;
b. the manufacturing of the flat car comprises the following steps:
(1) According to the sizes of the electronic scale and the belt conveyor bracket, manufacturing a rectangular flat car frame by using channel steel and angle steel;
(2) A plurality of roller brackets are welded at equal intervals on two sides below the rectangular flat car frame, and rollers are arranged on the roller brackets;
(3) Arranging a steel bar frame along the periphery of the upper surface of the rectangular flat car frame, and fully paving building templates in the steel bar frame to prevent the building templates from sliding out of the steel bar frame;
(4) One end of the rectangular flat car frame is provided with a flat car lifting lug which is used as a lifting lug for traction and walking of the flat car;
c. providing a winch, wherein the winch is fixed at the front end of a belt conveyor bracket below a coal bunker, and a steel wire rope of the winch is hooked on a lifting lug at one end of a flat car;
d. at one end of the belt conveyor bracket, the electronic scale is transported to the flat car through a forklift, a winch is started to drag the flat car to slide to a position to be installed, then a chain block is installed above the electronic scale to hoist the electronic scale, the electronic scale is lifted to a designed elevation, and the electronic scale is fixed on the electronic scale bracket after the plane position and the space height of the electronic scale are adjusted;
e. and d, sequentially installing other electronic scales, namely installing the front electronic scale and then installing the rear electronic scale from one end to the other end according to the installation sequence from inside to outside.
The method for installing the electronic scale of the under-bin coal blending device can be further realized by adopting the following technical measures.
The method as described above, wherein the flatbed frame is rectangular.
According to the method, the steel bar frame is made of steel bars with the diameters of more than or equal to 16 mm.
The method, wherein the thickness of the building template is more than or equal to 15mm.
In the method, the lifting lug is a 10mm thick steel plate with the size of 300 x 200mm, and a hole with the size of 100mm is formed in the middle of the steel plate.
After the technical scheme is adopted, the mounting method of the electronic scale of the coal blending device under the coal bunker has the following advantages:
1. the flat car and the sliding rail thereof have simple structure and convenient manufacture;
2. the working surface required by installation is greatly reduced, a large number of temporary roads are not required to be built, and the influence on other professional construction is small; the loading and unloading times and the transporting times of the electronic scale of the coal blending device are reduced in the installation process, and the electronic scale has a good effect on protecting finished equipment;
3. the installation speed of the electronic scale of the coal blending device is improved, the installation labor is saved, and the engineering cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the position of an electronic scale of a coal blending device under a coal bunker in an embodiment of the invention;
FIG. 2 is a schematic view of the running direction of the flatbed according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic view of a flatbed according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of B-B of fig. 4.
In the figure: 1 disc feeder, 2 electronic scale, 3 belt feeder, 4 flatbed, 5 flatbed frames, 6 wire rope, 7 windlass, 8 belt feeder support, 9 gyro wheels.
Detailed Description
The invention is further described below with reference to examples and figures thereof.
Example 1
Referring now to fig. 1 and 2, fig. 1 is a schematic diagram illustrating a position of an electronic scale of a coal blending device under a coal bunker according to an embodiment of the present invention, and fig. 2 is a schematic diagram illustrating a running direction of a flatbed according to an embodiment of the present invention.
The invention relates to an installation method of an electronic scale of a coal blending device under a coal bunker, which comprises the following steps:
1. firstly, the installation of the disc feeder 1 and the belt conveyor bracket 8 below the bin (the upper carrier roller bracket is not installed) is completed, and the cross beam of the belt conveyor bracket can be used as a slide rail of the roller.
2. And preparing channel steel No. 10 and equilateral angle steel No. 5 according to the sizes of the electronic scale 2 and the bracket of the belt conveyor 3, and manufacturing a flat car frame. 2 pieces of No. 10 channel steel of 4 meters are cut, 4 pieces of No. 10 channel steel of 1.65 meters (the width of the cross beam is the same as that of the belt bracket), and 4 pieces of No. 5 angle steel of 1.92 are used as diagonal braces. The channel steel and angle steel joints are all connected in a welding mode.
3. After the flat car frame is completed, the rollers and the steel plates are prepared, roller supports are manufactured, two 10 thick steel plates are taken, 200 x 200mm and 200 x 300mm thick steel plates are respectively welded on two sides of the rollers, and the manufacture of the 10 roller supports is sequentially completed. Fig. 3 is a cross-sectional view of A-A in fig. 2, and fig. 4 is a cross-sectional view of B-B in fig. 2.
4. And welding the tops of the steel plates at the two sides of the roller bracket with the channel steel cross beam along the cross beam direction below the cross beams at the two sides of the flat car frame, wherein the 200mm steel plates of the roller bracket face inwards. Each side is welded with a roller bracket at equal intervals, and 5 rollers 9 are arranged on each side. Fig. 5 is a schematic structural diagram of a flatbed according to an embodiment of the present invention.
5. After the flat car frame 5 and the rollers are installed, reinforcing steel bars of the joints 16 are welded on the top surface of the channel steel beams around the flat car, the reinforcing steel bars are used for fixing the panel and preventing the panel from slipping out, and the reinforcing steel bars of the joints 16 are welded and then fully paved with 15 thick building templates.
6. Preparing a 10-thick steel plate with the size of 300mm by 200mm, taking a hole with the size of 100 in the middle, and welding the prepared steel plate with the cross beam at the middle position of the side surface of the front section cross beam of the flat car 4 to serve as a lifting lug for traction and walking of the flat car.
7. After the flat car is manufactured, the flat car is placed on the belt conveyor support which is installed, and the idler wheels fall on the cross beams on two sides of the belt support. A winch 7 is prepared and fixed at the front end of the belt conveyor bracket, and a steel wire rope 6 of the winch is hooked on a lifting lug at the front end of the flat car.
8. At the one end of belt feeder support, transport the electronic scale to self-control flatbed on through fork truck, open the hoist engine and drag the flatbed and slide to the position that needs to install, then install the chain block above the electronic scale and lift the electronic scale to the design elevation, after adjusting plane position and the space height of electronic scale, fix on the electronic scale support.
9. According to the method, other electronic scales are sequentially installed, the installation sequence is from inside to outside, the electronic scales are installed from one end to the other end, and then the electronic scales are installed.
Compared with the traditional method for hauling the electronic scales to the installation position one by one, the method greatly improves the installation efficiency, saves labor, reduces the time for hauling heavy equipment, saves labor and time and shortens the installation period. Meanwhile, the working face required by installation is reduced, construction measure cost is saved, other professional construction time and sites are not occupied, cross operation is reduced, and safety risk is reduced. The times and the amplitude of equipment transportation and lifting are reduced in the installation process, so that the finished product protection is well achieved, and the installation quality and the accuracy are ensured. Compared with the traditional method, the method has the advantages of simple operation, economy, practicability, high work efficiency, shortened installation period, quality and safety guarantee, installation cost reduction, reusability and the like.
The above embodiments are provided for illustrating the present invention only, and not for limiting the present invention, and various changes or modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention. Accordingly, all equivalent arrangements should be considered to be within the scope of the present invention as defined in the claims.
Claims (4)
1. The method for installing the electronic scale of the coal blending device under the coal bunker is characterized by comprising the following steps of:
a. a disc feeder and a belt conveyor bracket below the coal bunker are installed, and a cross beam of the belt conveyor bracket is used as a slide rail of a roller;
b. the manufacturing of the flat car comprises the following steps:
(1) According to the sizes of the electronic scale and the belt conveyor bracket, manufacturing a rectangular flat car frame by using channel steel and angle steel;
(2) A plurality of roller brackets are welded at equal intervals on two sides below the rectangular flat car frame, and rollers are arranged on the roller brackets;
(3) Arranging a steel bar frame along the periphery of the upper surface of the rectangular flat car frame, and fully paving building templates in the steel bar frame to prevent the building templates from sliding out of the steel bar frame;
(4) One end of the rectangular flat car frame is provided with a flat car lifting lug which is used as a lifting lug for traction and walking of the flat car;
c. providing a winch, wherein the winch is fixed at the front end of a belt conveyor bracket below a coal bunker, and a steel wire rope of the winch is hooked on a lifting lug at one end of a flat car;
d. at one end of the belt conveyor bracket, the electronic scale is transported to the flat car through a forklift, a winch is started to drag the flat car to slide to a position to be installed, then a chain block is installed above the electronic scale to hoist the electronic scale, the electronic scale is lifted to a designed elevation, and the electronic scale is fixed on the electronic scale bracket after the plane position and the space height of the electronic scale are adjusted;
e. and d, sequentially installing other electronic scales, namely installing the front electronic scale and then installing the rear electronic scale from one end to the other end according to the installation sequence from inside to outside.
2. The method for installing the electronic scale of the under-bunker coal blending device according to claim 1, wherein the steel bar frame is made of steel bars with the diameter of more than or equal to 16 mm.
3. The method for installing the electronic scale of the under-bunker coal blending device according to claim 1, wherein the thickness of the building template is more than or equal to 15mm.
4. The method for installing the electronic scale of the under-bunker coal blending device according to claim 1, wherein the lifting lug is a 10mm thick steel plate with a size of 300 x 200mm, and a hole with a size of 100mm is formed in the middle of the steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968284.3A CN113758547B (en) | 2021-08-23 | 2021-08-23 | Method for installing electronic scale of coal blending device under coal bunker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968284.3A CN113758547B (en) | 2021-08-23 | 2021-08-23 | Method for installing electronic scale of coal blending device under coal bunker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113758547A CN113758547A (en) | 2021-12-07 |
| CN113758547B true CN113758547B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110968284.3A Active CN113758547B (en) | 2021-08-23 | 2021-08-23 | Method for installing electronic scale of coal blending device under coal bunker |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05179809A (en) * | 1992-01-07 | 1993-07-20 | Ishikawajima Harima Heavy Ind Co Ltd | Coal banker installation method |
| KR100869057B1 (en) * | 2008-01-21 | 2008-11-17 | (주) 효성 | Revolving truck for constructing bridge |
| CN102008920A (en) * | 2009-09-07 | 2011-04-13 | 中港印能源集团有限公司 | Coal distributing system and coal feeder used in same |
| CN202599514U (en) * | 2012-03-13 | 2012-12-12 | 山西万立科技有限公司 | Dynamic rolling chain code correction device for electronic belt conveyor scale |
| CN104773528A (en) * | 2015-01-22 | 2015-07-15 | 浙江华电电站设备有限公司 | Accurate coal blending system of silo and coal blending method of accurate coal blending system |
| CN105923196A (en) * | 2016-06-02 | 2016-09-07 | 辽宁旭亚科技有限公司 | Electronic scale calibration assembly line |
| CN212151401U (en) * | 2020-04-23 | 2020-12-15 | 四川广旺能源发展（集团）有限责任公司机械制造分公司 | Mining movable pneumatic horizontal hoisting equipment |
-
2021
- 2021-08-23 CN CN202110968284.3A patent/CN113758547B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05179809A (en) * | 1992-01-07 | 1993-07-20 | Ishikawajima Harima Heavy Ind Co Ltd | Coal banker installation method |
| KR100869057B1 (en) * | 2008-01-21 | 2008-11-17 | (주) 효성 | Revolving truck for constructing bridge |
| CN102008920A (en) * | 2009-09-07 | 2011-04-13 | 中港印能源集团有限公司 | Coal distributing system and coal feeder used in same |
| CN202599514U (en) * | 2012-03-13 | 2012-12-12 | 山西万立科技有限公司 | Dynamic rolling chain code correction device for electronic belt conveyor scale |
| CN104773528A (en) * | 2015-01-22 | 2015-07-15 | 浙江华电电站设备有限公司 | Accurate coal blending system of silo and coal blending method of accurate coal blending system |
| CN105923196A (en) * | 2016-06-02 | 2016-09-07 | 辽宁旭亚科技有限公司 | Electronic scale calibration assembly line |
| CN212151401U (en) * | 2020-04-23 | 2020-12-15 | 四川广旺能源发展（集团）有限责任公司机械制造分公司 | Mining movable pneumatic horizontal hoisting equipment |
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| Publication number | Publication date |
|---|---|
| CN113758547A (en) | 2021-12-07 |
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