CN212640376U

CN212640376U - Novel tamping device of tamping coke oven

Info

Publication number: CN212640376U
Application number: CN202021327020.7U
Authority: CN
Inventors: 程常华; 蔡志锋
Original assignee: Qujing Shengkai Coking Co ltd
Current assignee: Qujing Shengkai Coking Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-02
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a novel tamping device of tamping coke oven, two-layer frame including upper and lower interval parallel arrangement, every layer of frame all includes the crossbeam that two horizontal intervals set up, the vertical hammer stem that is provided with in activity between two crossbeams, the hammer stem is H shaped steel, the both sides of hammer stem web are provided with the friction disc, the lower extreme of hammer stem is provided with the tamping hammer, be provided with the actuating mechanism that the structure is the same separately in the two-layer frame, install the elasticity cam in the pivot between the two crossbeams, two epaxial elasticity cam symmetries of changeing set up, the 180 degrees wrong arrangements of major diameter half round of elasticity cam in the two-layer frame, be provided with middle part guiding mechanism between the two-layer frame, be provided with upper portion guiding mechanism in the frame of top, be provided with lower part guiding mechanism in the frame of below, lower part guiding mechanism and upper. The utility model discloses carry hammer height-adjustable, the operation is stable, and tamping effect is good, has apparent economic value and social value.

Description

Novel tamping device of tamping coke oven

Technical Field

The utility model relates to the technical field of coking equipment, concretely relates to novel tamping device of tamping coke oven.

Background

According to the published data of related departments, the method comprises the following steps: at present, in the production well of coking coal in China, the storage capacity for building and well construction, 47% of high-volatile weak caking coal accounts for, 51.4% of the unused coking coal resources accounts for, and even higher proportion in partial areas, and in order to mix more high-volatile weak caking coal for coking, the coal pretreatment technology is widely researched and developed, wherein the tamping coking technology is a coking technology which can mix more high-volatile weak caking coal according to different purposes of coke, tamp the mixed coal in a coal box of a coal charging coke pusher, and push the coal into a coking chamber from a coke oven side for high-temperature dry distillation.

The tamping coke oven is a side-mounted coke oven for charging coal and coking by a tamping method, a tamping device is one of important devices used in the coking process of the tamping coke oven, and the working principle is to compact the coal by the impact of a tamping hammer so as to improve the density of the coal. At present, the following problems still exist in the operation process of the tamping device: firstly, the lifting height of the tamping hammer is determined by the diameter of the eccentric cam or the elastic wheel, the tamping hammer cannot be adjusted after being installed and put into use, when the height of coal is increased, the density of the tamped coal cake is reduced, and the coal cake is easy to collapse when the coal is loaded; secondly, the hammer rod swings greatly when falling into the hammer and is often hammered on the side wall of the coal charging car, so that the coal charging car is damaged or the hammer rod is bent and deformed, the overhauling frequency is high, the operation is unstable, and the tamping quality of the coal cakes can be influenced; thirdly, the tamping is not uniform, the tamping effect is not good, the density of the tamped coal cake cannot meet the expected requirement, and the subsequent coking quality is influenced. Therefore, it is objectively needed to develop a novel tamping device of a tamping coke oven with adjustable lifting hammer height, stable operation and good tamping effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel tamping device of tamping coke oven, which has the advantages of adjustable lifting hammer height, stable operation and good tamping effect.

The utility model aims at realizing the purpose, which comprises two layers of frames which are arranged in parallel at intervals up and down, each layer of frame comprises two crossbeams which are arranged at intervals horizontally, a hammer rod is vertically arranged between the two crossbeams in a movable way and penetrates through the two layers of frames, the hammer rod is H-shaped steel, friction plates are arranged at two sides of a web plate of the hammer rod, a tamping hammer is arranged at the lower end of the hammer rod, driving mechanisms with the same structure are respectively arranged on the two layers of frames, each driving mechanism comprises rotating shafts which are symmetrically arranged at two sides of the web plate of the H-shaped steel, one end of each rotating shaft is rotationally connected with the inner side of one of the crossbeams, a transmission gear is arranged at the other end of each rotating shaft after the other end of the rotating shaft passes through the other crossbeam, two transmission gears arranged on the two rotating shafts are, elastic cams are mounted on the rotating shafts between the two cross beams, the elastic cams on the two rotating shafts are symmetrically arranged, and the large-diameter half wheels of the elastic cams on the two layers of racks are arranged in a staggered mode by 180 degrees.

Be provided with middle part guiding mechanism between two-layer frame, middle part guiding mechanism sets up the montant in the hammer stem both sides including the symmetry, the upper end and the lower extreme of montant are connected with the crossbeam of upper and lower two-layer frame respectively, the middle part of every montant is connected with the mounting bracket through the connecting rod, install wear-resisting gyro wheel on the mounting bracket, the rim of wear-resisting gyro wheel is contradicted on the surface of friction disc, be provided with upper portion guiding mechanism in the frame of top, upper portion guiding mechanism sets up the vaulting pole in the hammer stem both sides including the symmetry, the lower extreme and the crossbeam of vaulting pole are connected, every vaulting pole all is connected with the mounting bracket through the connecting rod, install wear-resisting gyro wheel on the mounting bracket, the rim of wear-resisting gyro wheel is contradicted on.

Furthermore, an auxiliary motor is arranged on the cross beam, an auxiliary gear is arranged on an output shaft of the auxiliary motor, and the auxiliary gear and the driving gear are respectively meshed with one transmission gear.

Furthermore, the tamping hammer comprises a transition cone and a hammer head, the upper end of the transition cone is small, the lower end of the transition cone is large, the upper end of the transition cone is connected with the lower end of the hammer rod, and the lower end of the transition cone is connected with the hammer head.

Furthermore, the connecting rod is a telescopic rod, and a spring is sleeved on the connecting rod.

Furthermore, the end part of the stay bar is connected with a cleaning brush through an inclined bar, and a brush of the cleaning brush is in contact with the surface of the friction plate.

Furthermore, the two flanges at the lower part of the hammer rod are movably provided with a balancing weight.

Furthermore, the inner side of each beam is provided with a wheel carrier, two rotating wheels are mounted on the wheel carriers at intervals, and the rims of the rotating wheels are abutted to the flanges of the hammer levers.

In the use process of the utility model, when the coal height needs to be increased, the main driving motors on the two layers of frames are simultaneously started, the large radius areas of the two elastic cams on the lower layer of frame are contacted with the friction plates on the hammer rod, the elastic cams generate elastic deformation, and then clamping force to the hammer rod is generated, the tamping hammer is lifted to a certain height by depending on the friction force between the elastic cams and the hammer rod, then the small radius areas of the two elastic cams on the lower layer of frame rotate to the hammer rod, the elastic cams are not contacted with the hammer rod, at the moment, the large radius areas of the two elastic cams on the upper layer of frame are contacted with the friction plates on the hammer rod, the tamping hammer is driven to lift to a certain height again, the elastic cams on the two layers of frames alternately lift the height of the tamping hammer according to the same principle, and after the height is proper, the main driving motors are controlled to ensure that the elastic cams on the two, the hammer rod rises for a certain distance under the action of inertia and then starts to move freely in a falling body mode until the hammer rod falls onto the surface of coal to tamp the coal once, then the hammer rod is lifted and falls down again, and the coal is tamped after being tamped for multiple times; secondly, the utility model discloses in set up three guiding mechanism of group, according to three-point and a linear principle, maintain the vertical whereabouts of hammer stem at hammer stem whereabouts in-process to avoid the swing of hammer stem, guarantee the steady operation and the better effect of tamping of whole device. The utility model discloses carry hammer height-adjustable, the operation is stable, and tamping effect is good, has apparent economic value and social value.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

in the figure: 1-beam, 2-hammer rod, 3-friction plate, 4-tamping hammer, 5-rotating shaft, 6-transmission gear, 7-main driving motor, 8-driving gear, 9-elastic cam, 10-vertical rod, 11-connecting rod, 12-mounting rack, 13-wear-resistant roller, 14-support rod, 15-auxiliary motor, 16-auxiliary gear, 17-transition cone, 18-hammer head, 19-spring, 20-diagonal rod, 21-sweeping brush, 22-balancing weight, 23-wheel carrier and 24-rotating wheel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.

As shown in figures 1-2, the utility model comprises two layers of frames which are arranged in parallel at intervals from top to bottom, each layer of frame comprises two crossbeams 1 which are arranged horizontally at intervals, a hammer rod 2 is vertically arranged between the two crossbeams 1 in a movable manner, the hammer rod 2 is arranged on the two layers of frames in a penetrating manner, the hammer rod 2 is H-shaped steel, friction plates 3 are arranged on two sides of a web plate of the hammer rod 2, the friction plates 3 are of the prior structure, a tamping hammer 4 is arranged on the lower end of the hammer rod 2, driving mechanisms which are of the same structure are respectively arranged on the two layers of frames, the driving mechanisms comprise rotating shafts 5 which are symmetrically arranged on two sides of the web plate of the H-shaped steel, one end of each rotating shaft 5 is rotationally connected with the inner side of one crossbeam 1, a transmission gear 6 is arranged after the other end of each rotating shaft 5 passes through the other crossbeam 1, two, when in use, the device is purchased and used according to parameters such as power, a driving gear 8 is arranged on an output shaft of a main driving motor 7, the driving gear 8 is meshed with one transmission gear 6, an elastic cam 9 is arranged on a rotating shaft 5 between two cross beams 1, the elastic cams 9 on the two rotating shafts 5 are symmetrically arranged, large-diameter half wheels of the elastic cams 9 on two layers of racks are arranged in a staggered way by 180 degrees, when in operation, the main driving motor 7 is started, the main driving motor 7 drives the driving gear 8 to rotate, the driving gear 8 drives one of the transmission gears 6 to rotate, the transmission gear 6 drives another transmission gear 6 to transmit, the two transmission gears 6 have the same rotating speed and the opposite rotating directions, thereby guarantee two elastic cam 9 pivoted synchronism, and the big radius region of two elastic cam 9 can be changeed hammer stem 2 department simultaneously, realize through the purpose of frictional force promotion hammer stem.

A middle guide mechanism is arranged between the two layers of frames, the middle guide mechanism comprises vertical rods 10 symmetrically arranged at two sides of a hammer rod 2, the upper end and the lower end of each vertical rod 10 are respectively connected with a cross beam 1 of the upper layer of frame and the lower layer of frame, the middle part of each vertical rod 10 is connected with an installation frame 12 through a connecting rod 11, a wear-resistant roller 13 is installed on the installation frame 12, the rim of the wear-resistant roller 13 is butted on the surface of a friction plate 3, an upper guide mechanism is arranged on the upper frame and comprises support rods 14 symmetrically arranged at two sides of the hammer rod 2, the lower end of each support rod 14 is connected with the cross beam 1, each support rod 14 is connected with the installation frame 12 through a connecting rod 11, a wear-resistant roller 13 is installed on the installation frame 12, the rim of the wear-resistant roller 13 is butted on the surface of the friction, the combined action of the upper guide mechanism, the middle guide mechanism and the lower guide mechanism can ensure the vertical degree of the hammer rod 2 during up-and-down movement, particularly free falling, parts in the three guide mechanisms, which are in contact with the hammer rod 2, are all wear-resistant rollers 13, the hammer rod 2 is in rolling contact with the wear-resistant rollers 13, and compared with rigid contact, friction, noise and loss generated between the two are smaller, so that the long-term normal operation of the whole device is facilitated.

In the use process of the utility model, when the coal height needs to be increased, the main driving motor 7 on the two layers of frames is simultaneously started, the large radius areas of the two elastic cams 9 on the lower layer of frame are contacted with the friction plates 3 on the hammer rod 2, the elastic cams 9 generate elastic deformation, and further generate clamping force to the hammer rod 2, the tamping hammer 4 is lifted to a certain height by the friction force between the elastic cams 9 and the hammer rod 2, then, the small radius areas of the two elastic cams 9 on the lower layer of frame rotate to the hammer rod 2, the elastic cams 9 are not contacted with the hammer rod 2, at the moment, the large radius areas of the two elastic cams 9 on the upper layer of frame are contacted with the friction plates 3 on the hammer rod 2, the tamping hammer 4 is driven to be lifted to a certain height again, according to the same principle, the elastic cams 9 on the two layers of frames alternately lift the height of the tamping hammer 4, when the height is proper, the main driving motor 7 is controlled to ensure that the elastic cams 9 on the two layers of frames, the hammer rod 2 starts free falling body movement after rising for a certain distance under the action of inertia until falling to the surface of coal to tamp the coal once, then the hammer rod 2 is lifted and falls down again, and the coal is tamped after being tamped for multiple times; secondly, the utility model discloses in set up three guiding mechanism of group, according to three-point and a linear principle, at 2 whereabouts in-process of hammer stem and maintain the vertical whereabouts of hammer stem 2 to avoid the swing of hammer stem 2, guarantee the steady operation and the better effect of tamping of whole device. To sum up, when the utility model is operated, the lifting height of the tamping hammer 4 is adjustable, the use is more flexible, the thickness of coal can be properly increased, the coal is ensured to have the density meeting the requirements, the tamping effect is better, the working efficiency of coking of the coke oven can be improved, secondly, the vertical operation of the hammer rod 2 can be ensured by the guide mechanism, the equipment operation is more stable, thereby the damage probability of the coal box and the hammer rod 2 is reduced, the frequency of the shutdown maintenance of the device is reduced, the working efficiency is improved, the operation cost is reduced, and the economic benefit is increased,

the crossbeam 1 is provided with the auxiliary motor 15, the output shaft of the auxiliary motor 15 is provided with the auxiliary gear 16, the auxiliary gear 16 and the driving gear 8 are respectively meshed with one transmission gear 6, because in the coal tamping process, the driving mechanism needs to be frequently opened and closed, the working environment is severe, the driving mechanism and the transmission mechanism are easy to wear and damage, and the maintenance and the repair are frequently needed.

Tamping hammer 4 is including transition awl 17 and tup 18, the little lower extreme in upper end of transition awl 17 is big, the upper end of transition awl 17 is connected with the lower extreme of hammer stem 2, the lower extreme is connected with tup 18, in the tamping process of coal, tamping hammer 4 can bury in coal and be difficult for lifting after falling, in order to avoid the emergence of this kind of condition, set up transition awl 17 above tamping hammer 4's tup 18, when tamping hammer 4 lifted, transition awl 17 can effectively reduce and carry the hammer resistance, improve the tamping efficiency of coal.

Connecting rod 11 is the telescopic link, the cover is equipped with spring 19 on the connecting rod 11, tamping hammer 4 can produce great vibrations and impact at the tamping in-process of coal, these vibrations and when strikeing to frame and actuating mechanism, can lead to the fracture and the fracture of frame, still can damage actuating mechanism, through telescopic link and spring 19's setting, can carry out effectual buffering to vibrations and impact, reduce vibrations and impact to frame and actuating mechanism's influence, extension frame and actuating mechanism's life.

The tip of vaulting pole 14 is connected with sweeper brush 21 through down tube 20, and the brush of sweeper brush 21 and the surface contact of friction disc 3, coal can produce certain carbon dust at the tamping in-process, and part carbon dust can the adhesion on friction disc 3, influences the friction between elastic cam 9 and the friction disc 3, can rise at hammer stem 2 through sweeper brush 21 and descend the in-process in time with sweeping away the carbon dust on friction disc 3, guarantees the normal operating of device.

The counterweight block 22 is movably mounted on the two flanges at the lower part of the hammer rod 2, the counterweight block 22 is movably mounted on the hammer rod 2 and can be dismounted as required, and when the counterweight block 22 is mounted, the weight of the tamping hammer 4 can be increased, so that the potential energy of the tamping hammer 4 during falling is improved, and the tamping efficiency of coal is improved.

Every crossbeam 1's inboard all is provided with the wheel carrier 23, two runners 24 are installed at the interval on the wheel carrier 23, runner 24's rim is contradicted on the edge of a wing of hammer stem 2, in-process when hammer stem 2 is ascending and descends, runner 24 rolls on the edge of a wing, runner 24 has played the effect to hammer stem 2 location and direction, can further guarantee hammer stem 2's vertical whereabouts, secondly, hammer stem 2's the edge of a wing can not produce the contact with the frame, can reduce hammer stem 2's wearing and tearing by a wide margin, prolong hammer stem 2's life.

Claims

1. A novel tamping device of a tamping coke oven is characterized in that: the device comprises two layers of frames which are arranged in parallel at intervals from top to bottom, each layer of frame comprises two beams (1) which are horizontally arranged at intervals, a hammer rod (2) is vertically arranged between the two beams (1) in a movable manner, the hammer rod (2) is arranged on the two layers of frames in a penetrating manner, the hammer rod (2) is H-shaped steel, friction plates (3) are arranged on two sides of a web plate of the hammer rod (2), a tamping hammer (4) is arranged at the lower end of the hammer rod (2), driving mechanisms with the same structure are respectively arranged on the two layers of frames, each driving mechanism comprises rotating shafts (5) which are symmetrically arranged on two sides of the web plate of the H-shaped steel, one end of each rotating shaft (5) is rotatably connected with the inner side of one beam (1), a transmission gear (6) is arranged after the other end of each rotating shaft (5) passes through the other beam (1), the two transmission gears (6) arranged on, a driving gear (8) is mounted on an output shaft of the main driving motor (7), the driving gear (8) is meshed with one of the transmission gears (6), an elastic cam (9) is mounted on a rotating shaft (5) between the two cross beams (1), the elastic cams (9) on the two rotating shafts (5) are symmetrically arranged, and large-diameter half wheels of the elastic cams (9) on the two layers of racks are arranged in a staggered manner of 180 degrees;

a middle guide mechanism is arranged between the two layers of frames, the middle guide mechanism comprises vertical rods (10) symmetrically arranged at two sides of a hammer rod (2), the upper ends and the lower ends of the vertical rods (10) are respectively connected with a beam (1) of the upper layer of frame and the lower layer of frame, the middle part of each vertical rod (10) is connected with an installation frame (12) through a connecting rod (11), a wear-resistant roller (13) is arranged between the installation frame (12) and a friction plate (3), an upper guide mechanism is arranged on the upper frame, the upper guide mechanism comprises support rods (14) symmetrically arranged at two sides of the hammer rod (2), the lower ends of the support rods (14) are connected with the beam (1), each support rod (14) is connected with the installation frame (12) through the connecting rod (11), the wear-resistant roller (13) is arranged on the installation frame (12), the wheel rims of the wear-resistant roller (13) are abutted against the, the lower guide mechanism and the upper guide mechanism are arranged up and down symmetrically.

2. The novel tamping device for the tamping coke oven according to claim 1, characterized in that an auxiliary motor (15) is arranged on the beam (1), an auxiliary gear (16) is arranged on the output shaft of the auxiliary motor (15), and the auxiliary gear (16) and the driving gear (8) are respectively meshed with a transmission gear (6).

3. The novel tamping device of the tamping coke oven according to claim 1, wherein the tamping hammer (4) comprises a transition cone (17) and a hammer head (18), the upper end of the transition cone (17) is smaller, the lower end of the transition cone (17) is larger, the upper end of the transition cone (17) is connected with the lower end of the hammer rod (2), and the lower end of the transition cone is connected with the hammer head (18).

4. The tamping device of the tamping coke oven according to claim 1, characterized in that the connecting rod (11) is a telescopic rod, and the connecting rod (11) is sleeved with a spring (19).

5. The novel tamping device of the tamping coke oven according to claim 1, characterized in that the end of the brace rod (14) is connected with a cleaning brush (21) through a diagonal rod (20), and the brush of the cleaning brush (21) is in contact with the surface of the friction plate (3).

6. The tamping device of the tamping coke oven as claimed in claim 1, wherein a balancing weight (22) is movably arranged on two flanges at the lower part of the hammer lever (2).

7. The novel tamping device of the tamping coke oven according to claim 1, characterized in that the inner side of each beam (1) is provided with a wheel carrier (23), two rotating wheels (24) are installed on the wheel carriers (23) at intervals, and the rims of the rotating wheels (24) are butted against the flange of the hammer lever (2).