CN114395409A

CN114395409A - Complete tamping unit for large tamping coke oven

Info

Publication number: CN114395409A
Application number: CN202210140909.1A
Authority: CN
Inventors: 汤良
Original assignee: Hunan Longli Electromechanical Technology Co ltd
Current assignee: Hunan Longli Electromechanical Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-04-26

Abstract

The utility model provides a complete set of tamping unit for large-scale tamping coke oven which characterized in that: including an at least set of tamping unit, the tamping unit includes an at least tamping machine, the tamping machine is including lifting hammer device, frame, pressing from both sides hammer device, tamping hammer, guide system, safety pin, hydraulic pressure pipeline, lubrication circuit, it includes the tamping motor to lift hammer device, the output of tamping motor passes through the key-type connection one-level shaft coupling, the output of one-level shaft coupling passes through the key-type connection one-level speed reducer. This hammer device that carries that large-scale tamping coke oven adopted of complete set tamping unit adopts double-seal reducing gear box, double coupling ware structural style, adopts the segmentation axle construction simultaneously, does not adopt traditional synchronous cog belt and shaft coupling between, improve equipment life greatly to through with the second deflector on left side direction subassembly and the right side direction subassembly through adopting steel sheet welding form can the greatly reduced later maintenance change work load.

Description

Complete tamping unit for large tamping coke oven

Technical Field

The invention relates to the technical field of tamping hammers, in particular to a complete set of tamping units for a large tamping coke oven.

Background

The tamping machine is the core equipment of the tamping coke oven, and is called heart in the tamping coke oven mechanical equipment in the industry. The function of the device is to utilize the impact energy generated by the free falling body movement of the tamping hammer to tamp the coal flow given out by the feeder in the coal charging car box to form coal cakes to be charged in the coke oven carbonization chamber.

The tamping machine mainly comprises a rack, a guide system, a tamping hammer, a hammer lifting power working device, a hammer clamping device, a safety stop lever, a hydraulic system, an electrical system, a lubricating system and the like. After the whole coal cake tamping operation is completed, the hammer clamping device of the tamping machine is completely closed, the tamping hammer is lifted to the initial position through the hammer lifting power device of the tamping machine, and the safety stop lever is closed, so that the whole tamping operation is completed.

It is known that the core components of a tamping machine are a hammer lifting power working device, a tamping hammer and a hammer clamping device, and the reliability and stability of the hammer lifting power working device directly influence the performance of the whole tamping machine. Through market research on the tamping machine, the hammer lifting power working device is composed of a motor, a toothed belt, a speed reducer (closed type), a hammer lifting shaft 1 (comprising a cam group), a diaphragm type coupler and a hammer lifting shaft 2 (comprising a cam group), and the synchronous toothed belt of the hammer lifting power working device with the structure is easy to break after being used for about one year.

Disclosure of Invention

In order to solve the problems, the invention provides a complete tamping unit for a large tamping coke oven.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a complete set of tamping unit for large-scale tamping coke oven which characterized in that: including an at least set of tamping unit, the tamping unit includes an at least tamping machine, the tamping machine is including carrying hammer device, frame, pressing from both sides hammer device, tamping hammer, guide system, safety pin, hydraulic line, lubrication line, it includes the tamping motor to carry hammer device, the output of tamping motor passes through the key-type connection one-level shaft coupling, the output of one-level shaft coupling passes through the key-type connection one-level speed reducer, the output of one-level speed reducer passes through the key-type connection second grade shaft coupling, the output of second grade shaft coupling passes through the key-type connection second grade speed reducer, be equipped with the output shaft on the second grade speed reducer, install transmission assembly on the output shaft, the last cam group that is equipped with of transmission assembly.

Preferably, the cam group comprises a large tile, a left side plate, a right side plate, a hub and an elastic piece, and the large tile is connected with the left side plate and the right side plate through bolts.

Preferably, the guidance system from top to bottom sets up 5 layers at least, and all installs in the frame, the guidance system includes direction subassembly, lower direction subassembly, left direction subassembly and right direction subassembly, it includes guide holder and first deflector to go up the direction subassembly, left side direction subassembly includes the second deflector, down the direction subassembly is the same with last direction subassembly structure, right side direction subassembly is the same with left direction subassembly structure.

Preferably, the guide holder is formed by steel sheet welding, first deflector is made by engineering plastics, be connected through the bolt between first deflector and the guide holder, the second deflector is formed by the steel sheet welding.

Preferably, the guide system is installed on the rack through bolts, the rack comprises a lower rack, an upper rack and an extension rack, the guide system is provided with 5-7 layers, the lower rack is provided with 2 layers, the upper rack is provided with 2-3 layers, and the extension rack is provided with 1-2 layers.

The invention has the following beneficial effects:

this hammer device that carries that large-scale tamping coke oven adopted of complete set tamping unit adopts double-seal reducing gear box, double coupling ware structural style, adopts the segmentation axle construction simultaneously, does not adopt traditional synchronous cog belt and shaft coupling between, improve equipment life greatly to through with the second deflector on left side direction subassembly and the right side direction subassembly through adopting steel sheet welding form can the greatly reduced later maintenance change work load.

Drawings

FIG. 1 is a schematic view of the overall structure of a complete tamping unit for a large tamping coke oven according to the present invention.

FIG. 2 is a schematic structural diagram of a tamping unit set for a large tamping coke oven according to the present invention.

FIG. 3 is a schematic view of a tamping machine of a tamping unit set for a large tamping coke oven according to the present invention.

FIG. 4 is a schematic structural view of a hammer lifting device of a complete tamping unit for a large tamping coke oven according to the present invention.

FIG. 5 is an assembled top view of a cam set and a secondary reducer of a complete set of tamping unit for a large-scale tamping coke oven according to the present invention.

FIG. 6 is a schematic diagram of a cam set structure of a complete tamping unit for a large tamping coke oven according to the present invention.

FIG. 7 is a top view of a single guidance system of a set of tamping units for a large tamping coke oven according to the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 7, in order to achieve the above object, the present invention adopts the following technical solutions: the utility model provides a complete set tamping unit for large-scale tamping coke oven, includes an at least set of tamping unit, the tamping unit includes an at least tamping machine, the tamping machine is including lifting hammer device 1, frame 2, press from both sides hammer device 3, tamping hammer 4, guide system 5, safety pin 6, hydraulic pressure pipeline 7, lubrication pipe way 8, it includes tamping motor 11 to lift hammer device 1, tamping motor 11's output passes through key-type connection one-level shaft coupling 12, one-level shaft coupling 12's output passes through key-type connection one-level speed reducer 13, one-level speed reducer 13's output passes through key-type connection secondary coupling 14, secondary coupling 14's output passes through key-type connection speed reducer 15, be equipped with output shaft 16 on the secondary speed reducer 15, install transmission assembly 17 on the output shaft 16, be equipped with cam group 18 on the transmission assembly 17.

In the structure, the hammer lifting device 1 is installed on the frame 2, the safety stop lever 6 is driven by hydraulic power supplied by a hydraulic pipeline, opening and closing actions are executed, the tamping motor 11 is a power source of the whole hammer lifting device, can be a variable frequency motor and can also be a fixed frequency motor, the variable frequency motor is preferably selected by the technical scheme, the output rotating speed is 1450-1550 rpm, the second-stage speed reducer 15 preferably adopts a low-speed heavy-load closed type gear box, and the gear box is provided with an input shaft and four synchronous output shafts. Wherein, two output shafts are respectively distributed at the left side and the right side. In the technical scheme, the spline shaft is preferably used as a synchronous output shaft of the secondary speed reducer, the output frequency is 55-75 r/min, the hammer lifting device 1 adopted in the technical scheme adopts a structural form of a double-closed reduction gearbox and a double coupler, and adopts a segmented shaft structure, so that a traditional synchronous toothed belt and an inter-shaft coupler are not adopted, and the service life of equipment is greatly prolonged.

Further, the cam group 18 comprises large tiles 181, a left side plate 182, a right side plate 183, a hub 184 and an elastic member 185, the large tiles 181 are connected with the left side plate 182 and the right side plate 183 through bolts, the cam groups 18 are used in pairs, each pair of the cam groups 18 corresponds to one tamping hammer 4, the large tiles 181 mounted on the cam groups 18 are in working contact with the tamping hammers 4 to generate extrusion friction, the tamping hammers are lifted to a certain height, the large tiles 181 are released to move freely after the large tiles 181 reach the lift, so that tamping impact power is generated, and the large tiles lift is designed to be 500-600 mm.

Further, 5 layers are at least arranged from top to bottom on the guiding system 5, and the guiding system 5 is installed on the rack 2, the guiding system 5 comprises an upper guiding assembly 51, a lower guiding assembly 52, a left guiding assembly 53 and a right guiding assembly 54, the upper guiding assembly 51 comprises a guiding seat 511 and a first guiding plate 512, the left guiding assembly 53 comprises a second guiding plate 531, the lower guiding assembly 52 has the same structure as the upper guiding assembly 51, and the right guiding assembly 54 has the same structure as the left guiding assembly 53.

Further, the guide holder 511 is formed by steel sheet welding, and first deflector 512 is made by engineering plastics, is connected through the bolt between first deflector 512 and the guide holder 511, and second deflector 531 is formed by the steel sheet welding, and second deflector 531 on left direction subassembly 53 and the right direction subassembly 54 is formed by the steel sheet welding can the post maintenance change work volume of greatly reduced.

Further, a guide system 5 is installed on the frame 2 through bolts, the frame 2 comprises a lower frame 21, an upper frame 22 and an extension frame 23, the guide system 5 is provided with 5-7 layers, 2 layers are installed on the lower frame 21, 2-3 layers are installed on the upper frame 22, 1-2 layers are installed on the extension frame 23, the lower frame 21, the upper frame 22 and the extension frame 23 are all in a frame welding structure and are subjected to heat treatment processing, and all installation surfaces are subjected to mechanical processing,

in conclusion, the hammer lifting device adopted by the device adopts a structural form of a double-closed reduction gearbox and a double-coupler, adopts a segmented shaft structure, does not adopt a traditional synchronous cog belt and an inter-shaft coupler, greatly prolongs the service life of equipment, and can greatly reduce the later maintenance and replacement workload by welding the second guide plates 531 on the left guide assembly 53 and the right guide assembly 54 by adopting steel plates.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a complete set of tamping unit for large-scale tamping coke oven which characterized in that: including an at least set of tamping unit, the tamping unit includes an at least tamping machine, the tamping machine is including carrying hammer device, frame, pressing from both sides hammer device, tamping hammer, guide system, safety pin, hydraulic line, lubrication line, it includes the tamping motor to carry hammer device, the output of tamping motor passes through the key-type connection one-level shaft coupling, the output of one-level shaft coupling passes through the key-type connection one-level speed reducer, the output of one-level speed reducer passes through the key-type connection second grade shaft coupling, the output of second grade shaft coupling passes through the key-type connection second grade speed reducer, be equipped with the output shaft on the second grade speed reducer, install transmission assembly on the output shaft, the last cam group that is equipped with of transmission assembly.

2. The set of tamping units for a large tamping coke oven according to claim 1, wherein: the cam group comprises a large tile, a left side plate, a right side plate, a hub and an elastic piece, and the large tile is connected with the left side plate and the right side plate through bolts.

3. The set of tamping units for a large tamping coke oven according to claim 1, wherein: the utility model discloses a direction subassembly, including direction subassembly, guide seat, left direction subassembly and right direction subassembly, guide system is last down to set up 5 layers at least, and all install in the frame, direction system includes direction subassembly, lower direction subassembly, left side direction subassembly and right direction subassembly, it includes guide holder and first deflector to go up the direction subassembly, left side direction subassembly includes the second deflector, down the direction subassembly is the same with last direction subassembly structure, right side direction subassembly is the same with left direction subassembly structure.

4. The set of tamping units for a large tamping coke oven according to claim 3, wherein: the guide holder is formed by the steel sheet welding, first deflector is made by engineering plastics, be connected through the bolt between first deflector and the guide holder, the second deflector is formed by the steel sheet welding.

5. The set of tamping units for a large tamping coke oven according to claim 3, wherein: the guide system is installed on the rack through bolts, the rack comprises a lower rack, an upper rack and an extension rack, the guide system is provided with 5-7 layers, the lower rack is provided with 2 layers, the upper rack is provided with 2-3 layers, and the extension rack is provided with 1-2 layers.