CN114516523A - Improvement method of emergency stop locking device for belt conveyor tail - Google Patents
Improvement method of emergency stop locking device for belt conveyor tail Download PDFInfo
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- CN114516523A CN114516523A CN202210097952.4A CN202210097952A CN114516523A CN 114516523 A CN114516523 A CN 114516523A CN 202210097952 A CN202210097952 A CN 202210097952A CN 114516523 A CN114516523 A CN 114516523A
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- belt conveyor
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000006872 improvement Effects 0.000 title claims abstract description 14
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- 239000010453 quartz Substances 0.000 claims description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 18
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
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- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
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- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
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- 239000011118 polyvinyl acetate Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
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- 239000000661 sodium alginate Substances 0.000 claims description 6
- 235000010413 sodium alginate Nutrition 0.000 claims description 6
- 229940005550 sodium alginate Drugs 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
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- 150000002148 esters Chemical class 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
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- 241000790917 Dioxys <bee> Species 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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- 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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Medicinal Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention provides an improvement method of an emergency stop locking device for a belt conveyor tail, and belongs to the technical field of belt transportation. The method comprises the following steps: s1, respectively adopting a first iron plate and a second iron plate with the thickness of 6mm behind and above a belt conveyor tail roller, and fixing the first iron plate and the second iron plate on a tail frame by using bolts; s2, processing an emergency stop guard plate which is provided with a leaning curtain and can be freely opened up and down on one side of the tail roller by utilizing a screw hole on a tail frame; and S3, mounting a magnet on the emergency stop guard plate, and fixedly mounting a magnetic sensor at the joint of the guard plate and the tail frame. The improvement method of this application, must lift magnetic sensor, scram backplate when clearing up the operation, can't clear up not lifting, as long as lift the scram backplate, the belt feeder will shut down, must reset scram backplate and keep the totally closed state of tail after the clearance finishes, otherwise scram does not eliminate the unable operation of belt feeder to the security effect has been improved greatly.
Description
Technical Field
The application relates to the technical field of belt transportation, in particular to an improved method of an emergency stop locking device for a belt conveyor tail.
Background
Belt transportation is a main transportation mode of coal and gangue under a coal mine, but safety accidents occurring at the tail of a belt conveyor are not many, belt conveyor drivers in all units are not uniform in quality, a traditional belt conveyor tail guardrail is formed by processing common steel pipes, the guardrail is large in gap, can be conveniently placed at the tail, is not fixed firmly, is easy to dump, and is extremely low in safety factor, when the coal is rolled up at the tail of the belt conveyor, the belt conveyor drivers can conveniently take the guardrail away to carry out illegal cleaning operation, when the coal is rolled up at the tail of the belt conveyor, cleaning operation is carried out without stopping the belt conveyor, the human-rolling death accident of the cleaning operation at the tail of the belt conveyor can happen occasionally, the human-rolling accident occurring when the belt conveyor drivers carry out cleaning operation in the belt transportation process can also happen, and the series of accidents of blood drenching remind people that the guardrail at the tail must be improved, thus, normal safe production can be ensured, and long-term safety of the mining area can be ensured.
Disclosure of Invention
In order to remedy the above deficiencies, the present application provides an improved method for an emergency stop locking device for a belt tail.
The embodiment of the application provides an improved method for an emergency stop locking device of a belt conveyor tail, which comprises the following steps:
s1, respectively adopting a first iron plate and a second iron plate with the thickness of 6mm behind and above a belt conveyor tail roller, and fixing the first iron plate and the second iron plate on a tail frame by using bolts;
s2, processing an emergency stop guard plate which is provided with a leaning curtain and can be freely opened up and down on one side of the tail roller by utilizing a screw hole on a tail frame;
s3, installing a magnet on the emergency stop guard plate, fixedly installing a magnetic sensor at the joint of the guard plate and the tail frame, and connecting the lines of the magnetic sensors in parallel in the stay emergency stop of the belt conveyor by utilizing the principles of the magnet and the magnetic sensor;
s4, when the tail coal rolls are cleaned, lifting an emergency stop guard plate provided with a magnetic sensor, and when the emergency stop guard plate is opened, displaying emergency stop locking on the belt conveyor so as to automatically stop the belt conveyor.
In the implementation process, the magnetic sensor and the emergency stop protection plate must be lifted during cleaning operation, the belt conveyor cannot be cleaned without lifting, the belt conveyor can be stopped as long as the emergency stop protection plate is lifted, the emergency stop protection plate must be reset after cleaning is finished and the totally closed state of the tail of the belt conveyor is kept, otherwise, the belt conveyor cannot be operated when the belt conveyor is suddenly stopped, and therefore the safety effect is greatly improved; when the tail drum rolls coal, the cleaning operation can be safely carried out only by simply lifting the emergency stop guard plate and fixing the emergency stop guard plate, the emergency stop guard plate can be put down after the cleaning operation is finished, the guard plate does not need to be removed, the field operation is flexible and convenient, and the safety factor is higher; the improved method has the advantages that the original operation personnel are required to shut down to the machine head switch when the machine tail is cleaned, and after the improved method is adopted, the shutdown locking is realized only by lifting the emergency stop guard plate through the arranged magnetic inductor, so that the time for the operation personnel to come and go to the machine head and the machine tail is greatly shortened, and the working efficiency is improved.
In a specific embodiment, the first iron plate is fixedly arranged above the tail drum, the second iron plate is fixedly arranged behind the tail drum, and one end of the first iron plate is fixedly connected with one end of the second iron plate.
In a specific embodiment, a rotating shaft is fixedly sleeved at the top of the emergency stop guard plate, and two ends of the rotating shaft are respectively and rotatably connected between the second iron plate and the tail frame.
In a specific embodiment, the magnetic sensor is fixedly installed on the tail frame, and a handle is fixedly arranged in the middle of the outer surface of the emergency stop guard plate.
In a specific embodiment, a rubber handle sleeve is fixedly sleeved on the handle, and the rubber handle sleeve comprises the following raw materials in parts by weight: 8-20 parts of silicon rubber, 22-34 parts of butyronitrile reclaimed rubber, 6-15 parts of modified quartz powder, 16-26 parts of rice hull powder, 8-16 parts of sepiolite powder, 1-4 parts of hydroxymethyl ethylenediamine, 2-5 parts of dichloromethane, 1-4 parts of dialkyl dioxysilane, 1-3 parts of zinc stearate, 1-5 parts of carnauba wax and 1-4 parts of butylbenzyl phthalate.
In a specific embodiment, the preparation method of the rubber handle sleeve comprises the following steps:
s101, raw material preparation: preparing raw materials, 8-20 parts of silicon rubber, 22-34 parts of butyronitrile reclaimed rubber, 6-15 parts of modified powder quartz, 16-26 parts of rice hull powder, 8-16 parts of sepiolite powder, 1-4 parts of hydroxymethyl ethylenediamine, 2-5 parts of dichloromethane, 1-4 parts of dialkyl dioxysilane, 1-3 parts of zinc stearate, 1-5 parts of carnauba wax and 1-4 parts of butyl benzyl phthalate;
s102, preliminary mixing: soaking the nitrile-butadiene reclaimed rubber and the silicon rubber in acetone for 20-30 minutes, carrying out ultrasonic treatment on the nitrile-butadiene reclaimed rubber and the silicon rubber for 10-20 minutes at the ultrasonic frequency of 45KHz and the power of 80W, then sequentially adding the rice hull powder, the hydroxymethyl ethylenediamine, the carnauba wax and the butyl benzyl phthalate, stirring and mixing uniformly, and carrying out microwave treatment on the nitrile-butadiene reclaimed rubber and the silicon rubber for 20-30 minutes at the microwave frequency of 2250MHz and the power of 750W to obtain a first mixed material;
s103, secondary mixing: uniformly mixing modified quartz powder, sepiolite powder and zinc stearate, heating to 70-120 ℃, preserving heat and mixing for 20-30 minutes, then continuing heating to 140-200 ℃, then adding dichloromethane and dialkyl dioxysilane, preserving heat and mixing for 16-30 minutes, and naturally cooling to room temperature to obtain a second mixed material;
s104, mixing and banburying: fully mixing the first mixed material and the second mixed material, adding the mixture into an internal mixer, mixing for 4-10 minutes at the temperature of 140-160 ℃, and standing for 50-60 minutes in a sealing manner to obtain a semi-finished product;
s105, forming: and (3) carrying out open milling molding on the semi-finished product through an open mill, then vulcanizing for 8-16 minutes at the temperature of 200-260 ℃, and finishing as required to obtain the finished rubber handle sleeve.
In a specific embodiment, the preparation method of the modified powdered quartz comprises the following steps: adding 0.2-0.5 part of acid ester coupling agent and 0.02-0.06 part of ammonia water solution into 5-12 parts of powdered quartz, wherein the mass concentration of the ammonia water solution is 8-12%, and treating in a ball mill for 40-60 minutes at 70-90 ℃ to obtain the modified powdered quartz.
In a specific embodiment, the outer surfaces of the first iron plate, the second iron plate, and the emergency stop guard are each coated with a corrosion-resistant coating.
In a specific embodiment, the corrosion-resistant coating comprises the following raw materials in parts by weight: 20-60 parts of quartz powder, 2-10 parts of carbon powder, 6-16 parts of aluminum powder, 5-10 parts of silicon carbide, 2-8 parts of zinc oxide, 2-8 parts of cobalt dioxide, 1-4 parts of ethyl cellulose, 4-12 parts of sodium alginate, 8-16 parts of polyvinyl acetate and 10-20 parts of fatty alcohol-polyoxyethylene ether.
In a specific embodiment, the corrosion-resistant coating comprises the following raw materials in parts by weight: 40 parts of quartz powder, 5 parts of carbon powder, 8 parts of aluminum powder, 8 parts of silicon carbide, 6 parts of zinc oxide, 6 parts of cobalt dioxide, 3 parts of ethyl cellulose, 8 parts of sodium alginate, 12 parts of polyvinyl acetate and 15 parts of fatty alcohol-polyoxyethylene ether.
Has the advantages that:
1. according to the improved method, the magnetic sensor and the emergency stop protection plate must be lifted during cleaning operation, the belt conveyor cannot be cleaned without lifting, the belt conveyor is stopped as long as the emergency stop protection plate is lifted, the emergency stop protection plate must be reset after cleaning is finished, the totally-closed state of the tail of the belt conveyor is kept, and otherwise the belt conveyor cannot be operated due to emergency stop, so that the safety effect is greatly improved;
2. according to the improved method, when the tail roller rolls the coal, the emergency stop guard plate only needs to be lifted simply and fixed, cleaning operation can be carried out safely, the guard plate does not need to be removed after cleaning is finished and the tail roller is put down, field operation is flexible and convenient, and the safety factor is high;
3. when the original machine tail cleaning operation is carried out, an operator is required to stop at the machine head switch, and after the improved method is adopted, the shutdown locking is realized only by lifting the emergency stop guard plate through the arranged magnetic sensor, so that the time of the operator for moving the machine head to the machine tail is greatly shortened, and the working efficiency is improved.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a block flow diagram provided by an embodiment of the present application;
fig. 2 is a schematic structural diagram provided in an embodiment of the present application.
In the figure: 1. a tail drum; 2. emergency stop guard board; 3. a rotating shaft; 4. a grip; 5. a magnet; 6. a tail frame; 7. a magnetic sensor; 8. a first iron plate; 9. a second iron plate.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
Referring to fig. 1-2, the present application provides an improved method for an emergency stop locking device of a belt conveyor tail, comprising the steps of:
s1, a first iron plate 8 and a second iron plate 9 with the thickness of 6mm are respectively adopted at the rear part and the upper part of a belt conveyor tail roller 1 and are fixed on a tail frame 6 by bolts;
s2, processing an emergency stop guard plate 2 which is provided with a leaning curtain and can be freely opened up and down on one side of the tail roller 1 by utilizing a screw hole on a tail frame 6;
s3, installing a magnet 5 on the emergency stop guard plate 2, fixedly installing a magnetic sensor 7 at the joint of the guard plate and the tail frame 6, and connecting the lines of the magnetic sensor 7 in parallel in the stay emergency stop of the belt conveyor by utilizing the principles of the magnet 5 and the magnetic sensor 7;
s4, when the tail coal rolls are cleaned, the emergency stop guard plate 2 provided with the magnetic sensor 7 is lifted, and when the emergency stop guard plate 2 is opened, the belt conveyor displays emergency stop locking, so that the belt conveyor is automatically stopped.
In this embodiment, the first iron plate 8 is fixedly disposed above the tail drum 1, the second iron plate 9 is fixedly disposed behind the tail drum 1, and one end of the first iron plate 8 is fixedly connected with one end of the second iron plate 9; the top of the emergency stop guard plate 2 is fixedly sleeved with a rotating shaft 3, and two ends of the rotating shaft 3 are respectively and rotatably connected between the second iron plate 9 and the tail frame 6; the magnetic sensor 7 is fixedly installed on the tailstock 6, and a handle 4 is fixedly arranged in the middle of the outer surface of the emergency stop guard plate 2.
In this embodiment, the grip 4 is fixedly sleeved with a rubber handle sleeve, and the rubber handle sleeve comprises the following raw materials in parts by weight: 8 parts of silicon rubber, 22 parts of butyronitrile reclaimed rubber, 6 parts of modified quartz powder, 16 parts of rice hull powder, 8 parts of sepiolite powder, 1 part of hydroxymethyl ethylenediamine, 2 parts of dichloromethane, 1 part of dialkyl dioxysilane, 1 part of zinc stearate, 1 part of carnauba wax and 1 part of butyl benzyl phthalate; the preparation method of the rubber handle sleeve comprises the following steps:
s101, raw material preparation: preparing raw materials, 8 parts of silicon rubber, 22 parts of butyronitrile reclaimed rubber, 6 parts of modified quartz powder, 16 parts of rice hull powder, 8 parts of sepiolite powder, 1 part of hydroxymethyl ethylenediamine, 2 parts of dichloromethane, 1 part of dialkyl dioxysilane, 1 part of zinc stearate, 1 part of carnauba wax and 1 part of butyl benzyl phthalate;
s102, preliminary mixing: soaking the butyronitrile reclaimed rubber and the silicon rubber in acetone for 20 minutes, carrying out ultrasonic treatment on the butyronitrile reclaimed rubber and the silicon rubber for 10 minutes at the ultrasonic frequency of 45KHz and the power of 80W, then sequentially adding rice hull powder, hydroxymethyl ethylenediamine, carnauba wax and butylbenzyl phthalate, stirring and mixing uniformly, and carrying out microwave treatment on the mixture for 20 minutes at the microwave frequency of 2250MHz and the power of 750W to obtain a first mixed material;
s103, secondary mixing: uniformly mixing modified quartz powder, sepiolite powder and zinc stearate, heating to 70 ℃, preserving heat, mixing for 20 minutes, then continuously heating to 140 ℃, adding dichloromethane and dialkyl dioxysilane, preserving heat, mixing for 16 minutes, and naturally cooling to room temperature to obtain a second mixed material;
s104, mixing and banburying: fully mixing the first mixed material and the second mixed material, adding the mixture into an internal mixer, mixing for 4 minutes at 140 ℃, and sealing and standing for 50 minutes to obtain a semi-finished product;
s105, forming: and (3) carrying out open milling molding on the semi-finished product through an open mill, then vulcanizing for 8 minutes at 200 ℃, and finishing as required to obtain the finished rubber handle sleeve.
In a specific setting, the preparation method of the modified powdered quartz comprises the following steps: and (2) adding 0.2 part of acid ester coupling agent and 0.02 part of ammonia water solution into 5 parts of powdered quartz, wherein the mass concentration of the ammonia water solution is 8%, and treating in a ball mill for 40 minutes at 70 ℃ to obtain modified powdered quartz.
In the present embodiment, the outer surfaces of the first iron plate 8, the second iron plate 9, and the emergency stop guard 2 are each coated with a corrosion-resistant coating.
In the scheme of the application, the corrosion-resistant coating comprises the following raw materials in parts by weight: 20 parts of quartz powder, 2 parts of carbon powder, 6 parts of aluminum powder, 5 parts of silicon carbide, 2 parts of zinc oxide, 2 parts of cobalt dioxide, 1 part of ethyl cellulose, 4 parts of sodium alginate, 8 parts of polyvinyl acetate and 10 parts of fatty alcohol-polyoxyethylene ether.
Example 2
The difference from example 1 is that: the handle 4 is fixedly sleeved with a rubber handle sleeve, and the rubber handle sleeve comprises the following raw materials in parts by weight: 20 parts of silicon rubber, 34 parts of butyronitrile reclaimed rubber, 15 parts of modified quartz powder, 26 parts of rice hull powder, 16 parts of sepiolite powder, 4 parts of hydroxymethyl ethylenediamine, 5 parts of dichloromethane, 4 parts of dialkyl dioxy silane, 3 parts of zinc stearate, 5 parts of carnauba wax and 4 parts of butyl benzyl phthalate; the preparation method of the rubber handle sleeve comprises the following steps:
s101, raw material preparation: preparing raw materials, by weight, 20 parts of silicone rubber, 34 parts of butyronitrile reclaimed rubber, 15 parts of modified quartz powder, 26 parts of rice hull powder, 16 parts of sepiolite powder, 4 parts of hydroxymethyl ethylenediamine, 5 parts of dichloromethane, 4 parts of dialkyl dioxy silane, 3 parts of zinc stearate, 5 parts of carnauba wax and 4 parts of butyl benzyl phthalate;
s102, preliminary mixing: soaking the butyronitrile reclaimed rubber and the silicon rubber in acetone for 30 minutes, carrying out ultrasonic treatment on the butyronitrile reclaimed rubber and the silicon rubber for 20 minutes at the ultrasonic frequency of 45KHz and the power of 80W, then sequentially adding rice hull powder, hydroxymethyl ethylenediamine, carnauba wax and butylbenzyl phthalate, stirring and mixing uniformly, and carrying out microwave treatment on the mixture for 30 minutes at the microwave frequency of 2250MHz and the power of 750W to obtain a first mixed material;
s103, secondary mixing: uniformly mixing modified quartz powder, sepiolite powder and zinc stearate, heating to 120 ℃, preserving heat and mixing for 30 minutes, then continuously heating to 200 ℃, adding dichloromethane and dialkyl dioxysilane, preserving heat and mixing for 30 minutes, and naturally cooling to room temperature to obtain a second mixed material;
s104, mixing and banburying: fully mixing the first mixed material and the second mixed material, adding the mixture into an internal mixer, mixing for 10 minutes at 160 ℃, and sealing and standing for 60 minutes to obtain a semi-finished product;
s105, forming: and (3) carrying out open milling molding on the semi-finished product through an open mill, then vulcanizing for 16 minutes at 260 ℃, and finishing as required to obtain the finished rubber handle sleeve.
In a specific setting, the preparation method of the modified powdered quartz comprises the following steps: adding 0.5 part of acid ester coupling agent and 0.06 part of ammonia water solution into 12 parts of powdered quartz, wherein the mass concentration of the ammonia water solution is 12%, and treating in a ball mill for 60 minutes at 90 ℃ to obtain the modified powdered quartz.
In the present embodiment, the outer surfaces of the first iron plate 8, the second iron plate 9, and the emergency stop guard 2 are each coated with a corrosion-resistant coating.
In the scheme of the application, the corrosion-resistant coating comprises the following raw materials in parts by weight: 60 parts of quartz powder, 10 parts of carbon powder, 16 parts of aluminum powder, 10 parts of silicon carbide, 8 parts of zinc oxide, 8 parts of cobalt dioxide, 4 parts of ethyl cellulose, 12 parts of sodium alginate, 16 parts of polyvinyl acetate and 20 parts of fatty alcohol-polyoxyethylene ether.
The principle of the improved method for the sudden stop locking device of the belt machine tail comprises the following steps: according to the improved method, the magnetic sensor and the emergency stop protection plate must be lifted during cleaning operation, the belt conveyor cannot be cleaned without lifting, the belt conveyor is stopped as long as the emergency stop protection plate is lifted, the emergency stop protection plate must be reset after cleaning is finished, the totally-closed state of the tail of the belt conveyor is kept, and otherwise the belt conveyor cannot be operated due to emergency stop, so that the safety effect is greatly improved; according to the improved method, when the tail roller rolls the coal, the emergency stop guard plate only needs to be lifted simply and fixed, cleaning operation can be carried out safely, the guard plate does not need to be removed after cleaning is finished and the tail roller is put down, field operation is flexible and convenient, and the safety factor is high; the improved method has the advantages that the original operation personnel are required to shut down to the machine head switch when the machine tail is cleaned, and after the improved method is adopted, the shutdown locking is realized only by lifting the emergency stop guard plate through the arranged magnetic inductor, so that the time for the operation personnel to come and go to the machine head and the machine tail is greatly shortened, and the working efficiency is improved.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An improved method for an emergency stop locking device of a belt conveyor tail is characterized by comprising the following steps:
s1, a first iron plate (8) and a second iron plate (9) with the thickness of 6mm are respectively adopted behind and above a belt conveyor tail roller (1) and are fixed on a tail frame (6) through bolts;
s2, processing an emergency stop guard plate (2) which is provided with a backrest curtain and can be freely opened up and down on one side of the tail roller (1) by utilizing a screw hole on a tail frame (6);
s3, installing a magnet (5) on the emergency stop guard plate (2), fixedly installing a magnetic sensor (7) at the joint of the guard plate and the tail frame (6), and connecting the circuit of the magnetic sensor (7) in parallel in the pull-cord emergency stop of the belt conveyor by utilizing the principles of the magnet (5) and the magnetic sensor (7);
s4, when the tail coal rolls are cleaned, the emergency stop guard plate (2) provided with the magnetic sensor (7) is lifted, and when the emergency stop guard plate (2) is opened, the belt conveyor displays emergency stop locking, so that the belt conveyor is automatically stopped.
2. The improvement method of the sudden stop locking device for the belt tail of claim 1, characterized in that the first iron plate (8) is fixedly arranged above the tail drum (1), the second iron plate (9) is fixedly arranged behind the tail drum (1), and one end of the first iron plate (8) is fixedly connected with one end of the second iron plate (9).
3. The improvement method of the emergency stop locking device for the belt tail of claim 2, characterized in that the top of the emergency stop guard plate (2) is fixedly sleeved with a rotating shaft (3), and two ends of the rotating shaft (3) are respectively and rotatably connected between the second iron plate (9) and the tail frame (6).
4. The improvement method of the emergency stop locking device for the belt tail of claim 3, characterized in that the magnetic sensor (7) is fixedly installed on the tail frame (6), and a grip (4) is fixedly arranged at the middle position of the outer surface of the emergency stop guard plate (2).
5. The improvement method of the emergency stop locking device for the belt conveyor tail according to claim 4, characterized in that a rubber handle sleeve is fixedly sleeved on the handle (4), and the rubber handle sleeve comprises the following raw materials in parts by weight: 8-20 parts of silicone rubber, 22-34 parts of butyronitrile reclaimed rubber, 6-15 parts of modified powder quartz, 16-26 parts of rice hull powder, 8-16 parts of sepiolite powder, 1-4 parts of hydroxymethyl ethylenediamine, 2-5 parts of dichloromethane, 1-4 parts of dialkyl dioxysilane, 1-3 parts of zinc stearate, 1-5 parts of carnauba wax and 1-4 parts of butyl benzyl phthalate.
6. The improvement method of the scram locking device for the belt conveyor tail according to claim 5, characterized in that the preparation method of the rubber handle sleeve comprises the following steps:
s101, raw material preparation: preparing raw materials, 8-20 parts of silicon rubber, 22-34 parts of butyronitrile reclaimed rubber, 6-15 parts of modified powder quartz, 16-26 parts of rice hull powder, 8-16 parts of sepiolite powder, 1-4 parts of hydroxymethyl ethylenediamine, 2-5 parts of dichloromethane, 1-4 parts of dialkyl dioxysilane, 1-3 parts of zinc stearate, 1-5 parts of carnauba wax and 1-4 parts of butyl benzyl phthalate;
s102, preliminary mixing: soaking the nitrile-butadiene reclaimed rubber and the silicon rubber in acetone for 20-30 minutes, carrying out ultrasonic treatment on the nitrile-butadiene reclaimed rubber and the silicon rubber for 10-20 minutes at the ultrasonic frequency of 45KHz and the power of 80W, then sequentially adding the rice hull powder, the hydroxymethyl ethylenediamine, the carnauba wax and the butyl benzyl phthalate, stirring and mixing uniformly, and carrying out microwave treatment on the nitrile-butadiene reclaimed rubber and the silicon rubber for 20-30 minutes at the microwave frequency of 2250MHz and the power of 750W to obtain a first mixed material;
s103, secondary mixing: uniformly mixing modified quartz powder, sepiolite powder and zinc stearate, heating to 70-120 ℃, preserving heat and mixing for 20-30 minutes, then continuing heating to 140-200 ℃, then adding dichloromethane and dialkyl dioxysilane, preserving heat and mixing for 16-30 minutes, and naturally cooling to room temperature to obtain a second mixed material;
s104, mixing and banburying: fully mixing the first mixed material and the second mixed material, adding the mixture into an internal mixer, mixing for 4-10 minutes at the temperature of 140-160 ℃, and standing for 50-60 minutes in a sealing manner to obtain a semi-finished product;
s105, forming: and (3) carrying out open milling molding on the semi-finished product through an open mill, then vulcanizing for 8-16 minutes at the temperature of 200-260 ℃, and finishing as required to obtain the finished rubber handle sleeve.
7. The improvement method of the emergency stop locking device for the tail of the belt conveyor as claimed in claim 6, wherein the modified powdered quartz is prepared by the following steps: adding 0.2-0.5 part of acid ester coupling agent and 0.02-0.06 part of ammonia water solution into 5-12 parts of powdered quartz, wherein the mass concentration of the ammonia water solution is 8-12%, and treating in a ball mill for 40-60 minutes at 70-90 ℃ to obtain the modified powdered quartz.
8. The improvement of the scram blocking device for the belt tail according to claim 1, characterized in that the outer surfaces of the first iron plate (8), the second iron plate (9) and the scram guard (2) are coated with corrosion resistant coating.
9. The improvement method of the emergency stop locking device for the belt tail according to claim 8, characterized in that the corrosion-resistant coating comprises the following raw materials in parts by weight: 20-60 parts of quartz powder, 2-10 parts of carbon powder, 6-16 parts of aluminum powder, 5-10 parts of silicon carbide, 2-8 parts of zinc oxide, 2-8 parts of cobalt dioxide, 1-4 parts of ethyl cellulose, 4-12 parts of sodium alginate, 8-16 parts of polyvinyl acetate and 10-20 parts of fatty alcohol-polyoxyethylene ether.
10. The improvement method of the scram locking device for the belt conveyor tail as claimed in claim 9, characterized in that the corrosion-resistant coating comprises the following raw materials by weight: 40 parts of quartz powder, 5 parts of carbon powder, 8 parts of aluminum powder, 8 parts of silicon carbide, 6 parts of zinc oxide, 6 parts of cobalt dioxide, 3 parts of ethyl cellulose, 8 parts of sodium alginate, 12 parts of polyvinyl acetate and 15 parts of fatty alcohol-polyoxyethylene ether.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210097952.4A CN114516523A (en) | 2022-01-27 | 2022-01-27 | Improvement method of emergency stop locking device for belt conveyor tail |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210097952.4A CN114516523A (en) | 2022-01-27 | 2022-01-27 | Improvement method of emergency stop locking device for belt conveyor tail |
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| CN202210097952.4A Pending CN114516523A (en) | 2022-01-27 | 2022-01-27 | Improvement method of emergency stop locking device for belt conveyor tail |
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