A fixed-axis rotary base suitable for a ring cooler

Abstract

The application discloses a fixed-axle rotary base suitable for a rotary cooler, which comprises a fixed rotating shaft, a spoke, a rotary body, a supporting roller and a driving device, wherein the fixed rotating shaft is arranged on a base; a rotating part is arranged on the rotating shaft, and the spoke is arranged on the periphery of the rotating part; the rotary body is arranged on the periphery of the spoke; a plurality of supporting rollers are arranged on the lower surface of the rotary body; and the driving device is in transmission connection with the rotary body. The fixed-axle rotary base suitable for the rotary cooler has the advantages of high structural strength, reliable work, small equipment radius, small land occupation area, small number of moving contact parts of the equipment, small equipment wear, low maintenance cost in the later period and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of ring cooler suitable for fixed axis rotary chassis. BACKGROUND

[0002] Ring cooler is a circular furnace for processing industrial raw materials such as steel, usually using fixed axis rotary chassis technology. The background of this technology comes from the continuous improvement of high efficiency, low energy consumption and environmental protection requirements. The advantages of fixed axis rotary chassis technology are simple structure, stable operation, easy maintenance, and can withstand high temperature and high load, suitable for large-scale continuous production.

[0003] Ring cooler plays an important role in the steel industry, mainly used for cooling broken sintered materials. It cools the material by blowing air, while discharging high-temperature flue gas. The ring cooler waste heat boiler recovers this part of high-temperature flue gas, uses heat exchange to discharge high-temperature flue gas to generate high-pressure steam, which in turn drives the steam turbine generator set and connects to the grid. This not only avoids energy waste, but also reduces waste gas emissions and improves economic efficiency.

[0004] Currently, the steel industry is facing the challenges of energy consumption and environmental pressure, so it is necessary to continuously improve and perfect the technology and equipment of ring cooler. In the future, ring cooler will pay more attention to energy saving and emission reduction, improve production efficiency and reduce production cost. At the same time, with the development of intelligent technology, ring cooler will gradually realize intelligent control and remote monitoring, further improving the automation level of production process. SUMMARY

[0005] To overcome the above-mentioned defects, the present application provides a kind of ring cooler suitable for fixed axis rotary chassis, which can realize stable rotary motion function. The rotary chassis has the advantages of high structural strength, compact size, etc.

[0006] To achieve the above-mentioned purpose, the ring cooler suitable for fixed axis rotary chassis of the present application comprises a fixed rotating shaft, a spoke, a rotary body, a supporting roller and a driving device. The fixed rotating shaft is arranged on the base. A rotating part is arranged on the rotating shaft, and the spoke is installed on the side of the rotating part. The rotary body is installed on the side of the spoke. A plurality of supporting rollers are arranged on the lower surface of the rotary body. The driving device is in transmission connection with the rotary body.

[0007] Further, the rotary body is composed of a plurality of identical fan-shaped units, each fan-shaped unit comprising a frame, a backing plate, a track and a transmission pin gear. The frame is welded by section steel, and the backing plate is made of steel plate and welded on the frame. The track is fixed to the lower side of the frame by bolts and pressure plates, cooperating with the supporting rollers below to realize stable rotation of the rotary chassis. The transmission pin gears are distributed around the frame and fixed to the frame by bolts. The transmission pin gears are used to mesh with the output gear of the driving motor to drive the movement of the rotary chassis.

[0008] Further, the support roller comprises a lower base, a support, a roller, a central shaft, and a shaft end baffle plate; the lower base is fixed on the foundation by anchor bolts; the support is fixed on the lower base by bolts; the central shaft passes through the roller and is supported on the support, ensuring that the roller rotates freely without obstruction; and the shaft end baffle plate is fixed on the support by bolts.

[0009] Further, the driving device comprises a gear, a speed reducer, a motor, an upper base, a lower base, a shaft, and a spring; wherein,

[0010] The upper base is π-shaped and comprises an upper support plate and two side stand plates arranged on the lower surface of the upper support plate; the lower base is T-shaped and comprises a lower support plate and a middle stand plate arranged on the upper surface of the lower support plate; and the middle stand plate of the lower support plate is arranged between the two side stand plates of the upper support plate.

[0011] Two shafts pass through the middle stand plate and the other side stand plate from the outside of one side stand plate of the upper support plate to the inside and then pass out, and the two ends of the two shafts are fixed by nuts; the upper base can slide relative to the lower base along the two shafts; and springs are sleeved on the two shafts between the middle stand plate and the two side stand plates.

[0012] The gear, the speed reducer, and the motor are installed on the upper surface of the upper base; the motor is in transmission connection with the speed reducer, and the gear is installed on the output shaft of the speed reducer.

[0013] The application is a fixed-axle rotary base for a circular cooler, which has the advantages of high structural strength, reliable work, small equipment radius, small floor area, few moving contact parts, small equipment wear, low maintenance cost in later period, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a main structure diagram of the fixed-axle rotary base for a circular cooler.

[0015] Figure 2 It is a fixed rotating shaft diagram.

[0016] Figure 3 It is a fixed rotating shaft sectional view.

[0017] Figure 4 It is a rotary body diagram.

[0018] Figure 5 It is a support roller diagram.

[0019] Figure 6 It is a driving device diagram.

[0020] The components are as follows: 1. Fixed shaft, 2. Spokes, 3. Rotating body, 4. Support roller, 5. Drive device, 1.1. Rotating part, 1.2. Base, 1.3. Sealing ring, 1.4. Locking nut, 1.5. Stop washer, 1.6. Rotating shaft, 1.7. Bushing, 1.8. Roller bearing, 1.9. Thrust bearing, 1.10. Shaft cover, 1.11. Matching screw, 2.1. Frame, 2.2. Pad, 2.3. Track, 2.4. Drive pin, 3.1. Lower base, 3.2. Bracket, 3.3. Roller, 3.4. Central shaft, 3.5. Shaft end baffle, 4.1. Gear, 4.2. Reducer, 4.3. Motor, 4.4. Upper base, 4.5. Lower base, 4.6. Shaft, 4.7. Spring, 4.8. Fixed nut. Detailed Implementation

[0021] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0022] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0023] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying 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 this invention, unless otherwise stated, "a plurality of" means two or more.

[0024] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0025] like Figure 1 As shown, the present invention provides a fixed-axis rotary chassis for an annular cooler, characterized in that it includes a fixed rotating shaft 1, spokes 2, a rotating body 3, a support roller 4, and a driving device 5.

[0026] like Figure 2 , 3As shown, the fixed rotating shaft 1 includes rotating part 1.2, base 1.2, sealing ring 1.3, locking nut 1.4, stop washer 1.5, rotating shaft 1.6, shaft sleeve 1.7, roller bearing 1.8, thrust bearing 1.9, upper and lower shaft cover 1.10 and matching screws 1.11. The lower part of the base 1.2 is fixed on the base by anchor bolts, and the upper part of the base 1.2 is interference fit with the rotating shaft 1.6. The rotating part 1.1, the thrust bearing 1.9, the roller bearing 1.8 and the shaft sleeve 1.7 are installed on the rotating shaft 1.6 from bottom to top, and the two ends are fixed by the upper and lower shaft cover 1.10 respectively. In addition, a sealing ring 1.3 is designed between the shaft sleeve 1.7 and the rotating part 1.1. The upper end of the rotating shaft 1.6 is threaded structure, and the rotating shaft 1.6 is fixed by the locking nut 1.4 and the stop washer 1.5.

[0027] As shown in Figure 4 The rotating body 3 is composed of 12 identical sector parts, each part including frame 2.1, backing plate 2.2, track 2.3, and transmission pin gear 2.4. The frame 2.1 is welded by section steel, and the backing plate 2.2 is made of steel plate and is welded on the frame 2.1 to complete the overall structure design of the rotating chassis. The track 2.3 is fixed to the lower part of the frame by bolts and pressure plates, cooperating with the support roller 4 below to realize stable rotation of the rotating chassis. The transmission pin gear 2.4 is distributed around the frame 2.1 and is fixed to the frame 2.2 by bolts. The transmission pin gear 2.4 is used to mesh with the output gear of the driving motor to drive the movement of the rotating chassis.

[0028] As shown in Figure 5 The support roller 4 includes lower base 3.1, bracket 3.2, roller 3.3, center shaft 3.4, and shaft end baffle 3.5. The lower base 3.1 is fixed to the foundation by anchor bolts. The bracket 3.2 is fixed to the lower base 3.1 by bolts. The center shaft 3.4 passes through the roller 3.3 and is supported on the bracket 3.2 to ensure free rotation of the roller 3.3 without obstruction. The shaft end baffle 3.5 is fixed to the bracket 3.2 by bolts to prevent axial movement of the center shaft 3.4.

[0029] As shown in Figure 6 The driving device 5 includes gear 4.1, speed reducer 4.2, motor 4.3, upper base 4.4, lower base 4.5, shaft 4.6, spring 4.7 and matching fixing nut 4.8. Due to the inevitable manufacturing and installation errors of the equipment, in order to ensure the stable operation of the equipment, the driving device 5 in this design has the function of axial flexible adjustment. In order to realize this form, the base of the driving device 5 is divided into upper and lower two parts, and two through shafts 4.6 are designed in the middle part. Four springs 4.7 are sleeved on the shafts, and the shaft ends are fixed by nuts 4.8 to ensure that the upper and lower bases can realize the function of axial relative movement.

[0030] The application has been described in detail with reference to the drawings, but the application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit and scope of the application. Many other changes and modifications can be made to the application without departing from the concept and scope of the application, and should be considered as falling within the scope of the application.

[0031] In the description of the present specification, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A ring cooler with a fixed-axis rotary chassis, characterized in that: It includes a fixed rotating shaft, spokes, a rotating body, support rollers, and a drive device; wherein the fixed rotating shaft is mounted on a base; a rotating part is provided on the rotating shaft, and spokes are installed around the circumference of the rotating part; a rotating body is installed around the circumference of the spokes; a plurality of support rollers are provided on the lower surface of the rotating body; the drive device is connected to the rotating body in a transmission manner. The rotating body is composed of multiple sets of identical sector-shaped units. Each sector-shaped unit includes a frame, a pad, a track, and transmission pins. The frame is welded from structural steel, and the pad is made of steel plate and welded to the frame. The track is fixed to the bottom of the frame with bolts and pressure plates, and works with the support rollers below to achieve stable rotation of the rotating chassis. The transmission pins are distributed around the frame and fixed to the frame with bolts. The transmission pins mesh with the output gear of the drive motor to drive the movement of the rotating chassis. The drive device includes gears, a reducer, a motor, an upper base, a lower base, a shaft, and a spring; wherein, The upper base is π-shaped, including an upper support plate and two side uprights disposed on the lower surface of the upper support plate; the lower base is inverted T-shaped, including a lower support plate and a middle upright disposed on the upper surface of the lower support plate; wherein, the middle upright of the lower support plate is disposed between the two side uprights of the upper support plate. Two shafts pass through the middle upright plate and the other side upright plate from the outside of one side upright plate of the upper support plate and then emerge. The two ends of the two shafts are fixed by nuts. The upper base can slide relative to the lower base along the two shafts. Springs are sleeved on the two shafts between the middle upright plate and the two side upright plates. The gear, reducer, and motor are mounted on the upper surface of the upper base; wherein the motor is connected to the reducer in a transmission manner, and the gear is mounted on the output shaft of the reducer.

2. The annular cooler as described in claim 1 is applicable to a fixed-axis rotary chassis, characterized in that: The support roller includes a lower base, a bracket, a roller, a central shaft, and a shaft end baffle. The lower base is fixed to the foundation by anchor bolts. The bracket is fixed to the lower base by bolts. The central shaft passes through the roller and is mounted on the bracket to ensure that the roller can rotate freely without obstruction. The shaft end baffle is fixed to the bracket by bolts.

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