CN216308632U - Friction drive rocker circular cooler - Google Patents
Friction drive rocker circular cooler Download PDFInfo
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- CN216308632U CN216308632U CN202123092700.2U CN202123092700U CN216308632U CN 216308632 U CN216308632 U CN 216308632U CN 202123092700 U CN202123092700 U CN 202123092700U CN 216308632 U CN216308632 U CN 216308632U
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Abstract
The utility model provides a friction transmission rocker ring cooling machine, which is characterized in that: the motor is connected with and drives the lower friction wheel of the transmission device, and the revolving frame is pivoted with the upper friction wheel of the transmission device; the revolving body comprises bottom plates at the inner side and the outer side and side plates at the inner side and the outer side; the bottom plate is fixedly connected with a friction plate, and the friction plate is clamped between a lower friction wheel of the transmission device and an upper friction wheel of the transmission device; supporting rollers are respectively arranged below the bottom plates on the inner side and the outer side of the rotary frame, and the bottom plates are erected on the supporting rollers; the trolley axles of the annular cooling trolley are fixedly arranged on two sides in front of the gravity center of the annular cooling trolley, two ends of each trolley axle are respectively pivoted on the side plates on the inner side and the outer side of the revolving body, and the trolley axles are fixedly connected with trolley rocker arms; the front end of the trolley rocker is pivoted with a rocker roller which is propped against the lower surface of a rocker roller pressing rail arranged on the revolving frame; the upper position of the rocker arm wheel pressing rail above the discharging hopper is raised upwards to form a rail pressing discharging section. The utility model improves the cooling effect of the sinter and improves the sealing performance of the circular cooler.
Description
Technical Field
The utility model relates to the field of mineral sintering equipment, in particular to sinter cooling equipment for mineral sintering.
Background
After the mineral aggregate is sintered, the temperature is higher, further cooling is needed, and most of sinter cooling equipment which runs more in various large steel mills at present is a blast ring type cooler.
According to different forms of transmission devices, the ring cooling machine is divided into a traditional friction transmission type ring cooling machine and a pin gear transmission type ring cooling machine.
The traditional friction drive type circular cooler has been widely used by various large iron and steel smelting enterprises due to the characteristics of simple structure, stable operation, small occupied space, easy adjustment and control, low maintenance and repair cost and the like, and is characterized in that a friction wheel of a transmission device drives a revolving body to operate, the revolving body is connected with the front end of a trolley through a hinge, wheels at the rear end of the trolley are matched with a walking track and operate along a circular track, when the trolley operates to an unloading curved track section, the trolley wheels move downwards along the unloading curved track, the trolley deflects, and unloading is completed.
The seal of the conventional friction drive type ring cooler comprises two parts: namely an upper seal (seal between the revolving body and the top cover) and a lower seal (seal of the wheel body part between the ring cooling trolleys). The upper seal adopts a steel wire brush and labyrinth seal combined structure, and the lower seal adopts a sealing rubber combined structure. However, the sealing type is complex, the resetting effect of the lower sealing element in the periodic operation process is not ideal, the air leakage rate at the joint of each trolley is difficult to control, the upper part of the revolving frame and the top cover are sealed by the steel brush and the labyrinth, the sealing effect cannot meet the requirement due to the non-uniformity of temperature distribution, the dust dispersion and heat dissipation are serious, the environment-friendly and energy-saving requirements specified by the state cannot be met, and the recovery effect of the waste heat of the flue gas is not favorable to be improved. Simultaneously, the cold platform truck of ring bent rail of unloading can take place to warp along with the increase of operating duration, easily causes the platform truck back of unloading, and the platform truck wheel not only can aggravate the wearing and tearing of platform truck wheel with the bad condition of walking track contact, can make moreover to reset between the platform truck and link up the problem to can aggravate the hourglass wind that the platform truck links up the position.
The blast air pin tooth transmission cooler is a novel circular cooler, and also comprises a transmission mechanism, a trolley, a revolving body, a roller pressing rail and the like, wherein a chain support is arranged on the outer side of the revolving body, a driving pin wheel consisting of a plurality of pin shafts is installed on the chain support, and the driving gear is meshed with the driving pin wheel so as to realize the operation of a revolving frame. The rotary frame makes circular rotary motion under the action of the driving device. The trolley shaft deviates from the center of the trolley, a trolley rocker arm is installed at the outer shaft end of the revolving frame, and a roller of the rocker arm runs along the inner side of the pressure rail. When the trolley moves to a groove part (a rail pressing discharging section) of the rail pressing, the trolley overturns to discharge under the action of eccentric moment, the trolley moves forwards along the rail pressing to a straight section after discharging is finished, and the trolley resets to continue to operate in a charging period.
The pin tooth transmission seal also comprises an upper part and a lower part, the upper part adopts fluid and labyrinth combined seal, the lower part adopts a plurality of combined seal forms of a sealing rubber assembly and the fluid and labyrinth combined seal, the structure is simpler, and the effect is better. However, the transmission device of the pin gear transmission ring cooling machine is complex, the requirements on processing and mounting of each part are high, and the labor cost investment is high.
Disclosure of Invention
The utility model provides a friction transmission rocker arm ring cooling machine, and aims to solve the defects of the prior art, improve the cooling effect of sintered ores and improve the sealing performance of the ring cooling machine.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
cold machine of friction drive rocking arm ring, its characterized in that:
the motor is connected with and drives the lower friction wheel of the transmission device, and the revolving frame is pivoted with the upper friction wheel of the transmission device; the circular revolving body comprises circular bottom plates at the inner side and the outer side and circular side plates at the inner side and the outer side;
the bottom plate is fixedly connected with a friction plate, and the friction plate is clamped between a lower friction wheel of the transmission device and an upper friction wheel of the transmission device;
supporting rollers are respectively arranged below the bottom plates on the inner side and the outer side of the rotary frame, and the bottom plates are erected on the supporting rollers;
the trolley axles of the annular cooling trolley are fixedly arranged on two sides in front of the gravity center of the annular cooling trolley, two ends of each trolley axle are respectively pivoted on the side plates on the inner side and the outer side of the revolving body, and the trolley axles are fixedly connected with trolley rocker arms;
the front end of the trolley rocker is pivoted with a rocker roller which is propped against the lower surface of a circular rocker wheel pressing rail arranged on the revolving frame;
the upper position of the rocker arm wheel pressing rail above the discharging hopper is raised upwards to form a rail pressing discharging section.
The revolving frame is provided with a roller clamping mechanism, the friction wheel on the transmission device is pivoted on the roller clamping mechanism, and the roller clamping mechanism adjusts the axle of the friction wheel on the transmission device to move up and down.
The side roller is arranged on the side of the revolving frame and is propped against the revolving body.
An upper top cover arranged on the revolving frame is arranged above the revolving body, and the seal between the upper part of the revolving body and the upper top cover is a labyrinth and fluid combined seal; the lower part of the revolving body is provided with an air blowing air box arranged on the revolving frame, and the seal between the lower part of the revolving body and the air blowing air box is a combined seal structure of a rubber seal assembly and labyrinth and fluid combined seal.
The inner side and the outer side of the revolving body are respectively provided with two layers of side plates, and a heat preservation and insulation layer is arranged between the two layers of side plates.
Has the advantages that:
1. the friction transmission rocker circular cooler adopts the upper and lower friction wheels to clamp the friction plate connected to the rotating device, the rotating device is rotated by friction force, the upper friction wheel is a driven wheel, and the clamping device is arranged on the side surface and used for adjusting the clamping force between the friction wheel and the friction plate, so that the driven wheel generates proper pressure to meet the requirement of stable transmission.
2. The trolley of the friction transmission rocker arm ring cooling machine removes the tail wheels of the traditional ring cooling machine trolley on the premise of keeping the trapezoidal structure unchanged, changes the loading and unloading operation mode of the ring cooling trolley, does not adopt an unloading curved rail to realize the cyclic procedures of unloading, resetting, loading, cooling and unloading, but is realized by a rail pressing device fixed on a revolving frame, the axle of the trolley is arranged at the two sides of the front end of the trolley, and the axle shoulder at the outer side extends out of the trolley body and is connected with the rocker arm through a flat key.
3. The rocker arm device of the friction transmission rocker arm ring cooling machine bears all the overturning bending moment of the ring cooling trolley (containing sintering mineral aggregate), the load is large, in order to ensure the safe operation of the trolley, a welding structure is adopted, and the contact end of the rocker arm device and a pressure rail is provided with a roller, so that the operation resistance is further reduced.
4. The revolving body assembly of the friction transmission rocker arm circular cooler adopts a structure form of a friction transmission device, and an annular friction plate is added so as to be matched with the friction transmission device. Meanwhile, on the inner side plate and the outer side plate assembled on the revolving body, a heat-insulating layer with a certain thickness is additionally arranged for preventing the heat of the sintering ore from being dissipated outwards and improving the effect of recovering the waste heat of the flue gas.
5. The sealing device of the friction transmission rocker arm ring cooling machine abandons the sealing mode of the traditional ring cooling machine, adopts the composite sealing mode of fluid sealing, labyrinth sealing and rubber sealing with simple structure and obvious effect, not only improves the sealing performance of the novel ring cooling machine, but also stops dust from floating and escaping, optimizes the operating environment of workers and meets the increasingly strict technical requirements of environmental protection and energy conservation.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a schematic view of the rotational section A-A of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure B-B of FIG. 1;
FIG. 4 is an enlarged view of section C of FIG. 3;
fig. 5 is an enlarged view of a portion D of fig. 3.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, 2, 3, 4, and 5:
the revolving frame 1 of the novel friction transmission rocker arm ring cooling machine is a frame, is a carrier for mounting and combining other parts, and is connected into a complete novel ring cooling machine overall body through the revolving frame 1.
The transmission device comprises a motor 21, the motor 21 is connected with a speed reducer 23 through a coupler 22 and finally drives a transmission device lower friction wheel 24 to rotate as a driving wheel, a roller clamping mechanism 25 is installed on the revolving frame 1, the transmission device upper friction wheel 26 is pivoted on the roller clamping mechanism 25, and a wheel shaft of the transmission device upper friction wheel 26 can be adjusted by the roller clamping mechanism 25 to move up and down, for example, the wheel shaft of the transmission device upper friction wheel 26 is erected on a bearing support block of the roller clamping mechanism 25 through a bearing, a screw hole of the bearing support block is matched with a driving screw rod of the roller clamping mechanism 25, the driving screw rod of the roller clamping mechanism 25 can drive the bearing support block to move up and down, and finally the transmission device upper friction wheel 26 is driven to move up and down through other structures in the prior art, so that the transmission device lower friction wheel 24 and the transmission device upper friction wheel 26 clamp a friction plate 33 of the transmission device lower friction wheel 24 and the transmission device upper friction wheel 26 to clamp the friction plate 33 of the transmission device upper friction wheel and the transmission device upper friction wheel The function of (1).
The revolving unit 3 includes bottom plates 31 on both the inside and outside and side plates 32 on both the inside and outside.
The rotator 3 is annular, and both the bottom plate 31 and the side plate 32 are annular.
A friction plate 33 is attached to the outer bottom plate 31, and the friction plate 33 is clamped between the transmission lower friction wheel 24 and the transmission upper friction wheel 26 of the transmission, so that the transmission lower friction wheel 24 and the transmission upper friction wheel 26 of the transmission drive the friction plate 33 by friction force, thereby driving the bottom plate 31 to make circular motion, and finally driving the revolving body 3 to make circular motion.
The revolving frame 1 is provided with side rollers 35 on the side of the inner bottom plate 31, and the side rollers 35 abut against the inner bottom plate 31.
The supporting rollers 34 and the side rollers 35 are used for supporting and limiting the running track of the revolving body 3.
The trolley axles 41 of the ring cooling trolley 4 deviate from the centre of the trolley, two trolley axles 41 are fixedly arranged at two sides in front of the centre of gravity of the ring cooling trolley 4, the two trolley axles 41 belong to an eccentric structure, and are respectively pivoted on the side plates 32 at the inner side and the outer side of the revolving body 3, and the shoulders of the trolley axles 41 extend out of the trolley body and are connected with the trolley rocker arms 42 through flat keys.
A rocker roller 43 is pivoted to the front end of the bogie rocker 42, and the rocker roller 43 abuts against the lower surface of an annular rocker wheel pressure rail 44 provided on the revolving frame 1.
The rocker arm wheel pressure rail 44 is upwardly convex at a position above the discharge hopper 5 to form a pressure rail discharge section 45.
Thus, during actual operation:
the transmission lower friction wheel 24 and the transmission upper friction wheel 26 drive the revolving body 3 to make a circular motion.
The ring cooling trolley 4 is driven to do circular motion along with the revolving body 3.
The ore feeding hopper 6 pours the sintered ore material onto the ring cooling trolley 4.
When the ring cooling carriage 4 moves circularly following the revolving body 3, the rocker roller 43 abuts against the lower surface of the annular rocker wheel pressing rail 44 provided on the revolving frame 1 and rolls along the rocker wheel pressing rail 44, and at this time, although the ring cooling carriage 4 has an eccentric moment, the carriage rocker 42 is pressed by the rocker wheel pressing rail 44, so that the ring cooling carriage 4 moves in a flat state.
The sinter is slowly cooled on the ring cooling trolley 4.
When the ring cooling trolley 4 runs to the rail pressing discharging section 45, the rail pressing discharging section 45 is upwards convex, so that the rocker roller 43 has an upward moving space, the ring cooling trolley 4 overturns around the trolley axle 41 under the action of eccentric moment, so as to discharge, sinter ore is poured into the discharging hopper 5, the discharging is finished, the ring cooling trolley 4 continues to advance, the rail pressing discharging section 45 starts to descend, the rocker roller 43 is pressed down, the ring cooling trolley 4 resets, and the periodic running is continued.
The sealing device of the novel rocker arm circular cooler also comprises a sealing part between the upper part of the revolving body 3 and the upper top cover 7 and a sealing part between the lower part of the revolving body 3 and the blast air box 8.
The upper head cover 7 attached to the revolving frame 1 is located above the revolving body 3, and the seal between the upper part of the revolving body 3 and the upper head cover 7 is a labyrinth/fluid combination seal 37.
The blower bellows 8 mounted on the revolving frame 1 is located below the revolving body 3, and the seal between the lower part of the revolving body 3 and the blower bellows 8 is a combined seal structure of a rubber seal assembly 381 and a labyrinth/fluid combined seal 382.
Meanwhile, two layers of side plates 32 are arranged on the inner side of the revolving body 3, a heat insulation layer 9 is arranged between the two layers of side plates 32, two layers of side plates 32 are arranged on the outer side of the revolving body 3, and the heat insulation layer 9 is arranged between the two layers of side plates 32.
The friction transmission rocker arm ring cooling machine overcomes the defects of a traditional friction transmission type ring cooling machine and a novel blast pin tooth transmission cooling machine, can obviously improve the cooling effect of a sintering ore, further improves the sealing performance of the ring cooling machine, reduces the air leakage rate, stops flying of dust, improves the operation environment, has less heat dissipation due to high sealing effect in the aspect of waste heat recovery and utilization, and is beneficial to waste heat recovery of high-temperature flue gas and recycling of high-temperature flue gas. High-temperature flue gas can participate in sintering production through a circulating system to realize hot air sintering; the waste heat in the high-temperature flue gas can be input into a waste heat boiler through the high-efficiency recovery system to realize waste heat power generation, so that the flue gas waste heat is recycled.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. Cold machine of friction drive rocking arm ring, its characterized in that: the motor is connected with and drives the lower friction wheel of the transmission device, and the revolving frame is pivoted with the upper friction wheel of the transmission device; the circular revolving body comprises circular bottom plates at the inner side and the outer side and circular side plates at the inner side and the outer side; the bottom plate is fixedly connected with a friction plate, and the friction plate is clamped between a lower friction wheel of the transmission device and an upper friction wheel of the transmission device; supporting rollers are respectively arranged below the bottom plates on the inner side and the outer side of the rotary frame, and the bottom plates are erected on the supporting rollers; the trolley axles of the annular cooling trolley are fixedly arranged on two sides in front of the gravity center of the annular cooling trolley, two ends of each trolley axle are respectively pivoted on the side plates on the inner side and the outer side of the revolving body, and the trolley axles are fixedly connected with trolley rocker arms; the front end of the trolley rocker is pivoted with a rocker roller which is propped against the lower surface of a circular rocker wheel pressing rail arranged on the revolving frame; the upper position of the rocker arm wheel pressing rail above the discharging hopper is raised upwards to form a rail pressing discharging section.
2. The friction drive rocker ring cooler of claim 1, further comprising: the revolving frame is provided with a roller clamping mechanism, the friction wheel on the transmission device is pivoted on the roller clamping mechanism, and the roller clamping mechanism adjusts the axle of the friction wheel on the transmission device to move up and down.
3. The friction drive rocker ring cooler of claim 1, further comprising: the side roller is arranged on the side of the revolving frame and is propped against the revolving body.
4. The friction drive rocker ring cooler of claim 1, further comprising: an upper top cover arranged on the revolving frame is arranged above the revolving body, and the seal between the upper part of the revolving body and the upper top cover is a labyrinth and fluid combined seal; the lower part of the revolving body is provided with an air blowing air box arranged on the revolving frame, and the seal between the lower part of the revolving body and the air blowing air box is a combined seal structure of a rubber seal assembly and labyrinth and fluid combined seal.
5. The friction drive rocker ring cooler of claim 1, further comprising: the inner side and the outer side of the revolving body are respectively provided with two layers of side plates, and a heat preservation and insulation layer is arranged between the two layers of side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123092700.2U CN216308632U (en) | 2021-12-10 | 2021-12-10 | Friction drive rocker circular cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123092700.2U CN216308632U (en) | 2021-12-10 | 2021-12-10 | Friction drive rocker circular cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216308632U true CN216308632U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123092700.2U Active CN216308632U (en) | 2021-12-10 | 2021-12-10 | Friction drive rocker circular cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216308632U (en) |
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2021
- 2021-12-10 CN CN202123092700.2U patent/CN216308632U/en active Active
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