A precision compensation mechanism for a rotary kiln apparatus

CN117628883BActive Publication Date: 2026-09-04MENGZI MINING & METALLURGY CO LTD
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Patent Information

Application Number
CN202311564301.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-22
Publication Date
2026-09-04
Estimated Expiration
2043-11-22

AI Technical Summary

Technical Problem

[0003]回转窑在运行过程中,由于本身的结构以及热胀冷缩原理的影响,不可避免地会产生上下窜动、动态变负荷以及磨损等现象,这些现象会对回转窑和驱动装置的配合精度产生影响,传统的驱动装置与回转窑的配合精度下降后一般通过手动位置补偿或替换驱动装置中的齿轮的方式进行精度调整,存在精度校准时间长、校准复杂的问题

Benefits of technology

[0015] The beneficial effects of this application are as follows: By setting a torque transmission adjustment mechanism with elastic support components, the motor output shaft of the drive device synchronously changes position with the drive wheel to compensate for the transmission accuracy of the motor output shaft and the drive wheel; by setting a deviation adjustment mechanism, the position change of the drive wheel is limited within a specified range, so that the meshing accuracy of the drive wheel and the driven wheel meets the requirements; by setting a support adjustment mechanism to support and follow the movement of the deviation adjustment mechanism, the drive wheel of the drive device synchronously changes position with the driven wheel of the rotary kiln to compensate for the gear meshing accuracy of the drive wheel and the driven wheel, thereby achieving self-adjustment of accuracy.

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Abstract

The application belongs to the technical field of rotary kiln equipment, and relates to a precision compensation mechanism for a rotary kiln equipment. The precision compensation mechanism for the rotary kiln equipment comprises a rotary kiln and a driving device, further comprises a torque transmission adjustment mechanism with an elastic support assembly, a deviation adjustment mechanism connected on one side of the torque transmission adjustment mechanism through a universal coupling, and a support adjustment mechanism arranged below the deviation adjustment mechanism. The torque transmission adjustment mechanism with the elastic support assembly is arranged to compensate the transmission precision of a motor output shaft and a driving wheel. The deviation adjustment mechanism is arranged to limit the position change of the driving wheel within a specified range, so that the meshing precision change of the driving wheel and a driven wheel meets the requirements. The support adjustment mechanism is arranged to support and follow the movement of the deviation adjustment mechanism, so as to compensate the gear meshing precision of the driving wheel and the driven wheel, thereby realizing the self-adjustment of the precision.
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Description

Technical Field

[0001] This application belongs to the technical field of rotary kiln equipment, and specifically relates to a precision compensation mechanism for rotary kiln equipment. Background Technology

[0002] A rotary kiln is a thermal equipment used for heating slurry or bulk materials. It is widely used in industries such as building materials, metallurgy, chemicals, and environmental protection. The rotary kiln operates by being driven by a drive unit, and the precision of the matching between the drive unit and the rotary kiln determines the operating efficiency of the rotary kiln.

[0003] During operation, rotary kilns inevitably experience vertical movement, dynamic load changes, and wear due to their structure and the principle of thermal expansion and contraction. These phenomena affect the matching accuracy between the rotary kiln and the drive unit. Traditionally, when the matching accuracy between the drive unit and the rotary kiln decreases, it is usually adjusted by manual position compensation or by replacing the gears in the drive unit. However, this method has the problems of long calibration time and complex calibration. Summary of the Invention

[0004] In order to overcome the problems existing in the prior art, this application provides a precision compensation mechanism for rotary kiln equipment.

[0005] To achieve the above objectives, this application employs the following technical solution: A precision compensation mechanism for a rotary kiln, comprising a rotary kiln and a drive unit, the precision compensation mechanism further comprising: A torque transmission adjustment mechanism with elastic support components is used to make the motor output shaft change synchronously with the drive wheel of the drive device during the operation of the rotary kiln equipment; A deviation adjustment mechanism connected to one side of the torque transmission adjustment mechanism via a universal coupling is used to change the position of the drive wheel of the drive device within a specified range during the operation of the rotary kiln equipment. The support adjustment mechanism located below the deviation adjustment mechanism is used to make the drive wheel of the drive device change synchronously with the driven wheel of the rotary kiln during the operation of the rotary kiln equipment.

[0006] Optionally, the torque transmission adjustment mechanism further includes a moving component, which includes a first roller, a second roller, and a rotating shaft; The first and second rollers are rotatably connected to the lower end of the universal coupling via a rotating shaft.

[0007] Optionally, the elastic support assembly includes an elastic support disposed below the movable assembly for supporting and adjusting the position of the universal coupling; and an adjustment base disposed below the elastic support for supporting and defining the position of the elastic support. The lower ends of both the first and second rollers are in sliding contact with the elastic support assembly; Optionally, the elastic support includes a support plate, a first spring disposed below the support plate, and a second spring disposed parallel to the first spring; The upper end of the first support plate forms a high pair with the lower ends of the first roller and the second roller through line contact. The lower end of the first support plate is fixedly connected to the upper ends of the first spring and the second spring.

[0008] Optionally, the adjusting base includes a first base plate, a second base plate disposed parallel to the bottom of the first base plate, and bolts; The upper end of the first base plate is fixedly connected to the lower end of the first spring and the second spring, and the first base plate and the second base plate are fixed together by bolts to form an integral structure.

[0009] Optionally, the deviation adjustment mechanism includes a housing, a locking element, and a limiting element for limiting the position of the housing; The drive wheel of the drive device is installed inside the housing. The gear shaft of the drive wheel is connected to the motor output shaft through a universal coupling. A driven wheel is installed outside the housing. The driven wheel is located above the drive wheel and is sleeved on the outer wall of the rotary kiln.

[0010] Optionally, the locking element includes a support member disposed inside the housing and a tensioning member disposed outside the housing. One end of the support member is fixed to the outer wall of the drive wheel, and the other end extends out of the housing and is fixedly connected to one end of the tensioning member. The other end of the tensioning member is fixed to the outer wall of the housing. The limiting element includes a suspension wheel located above the housing to support the driven wheel and a stop wheel to drive the housing to move. The stop wheel is fixedly installed on the outside of the suspension wheel.

[0011] Optionally, a base plate is also provided below the deviation adjustment mechanism; The bottom of the base plate has a first baffle and a second baffle parallel to the first baffle.

[0012] Optionally, the support adjustment mechanism includes a universal mechanism disposed below the base plate, an upper base disposed below the universal mechanism, elastic components disposed on both sides of the upper base, and a lower base disposed below the elastic components. The universal joint is located between the base plate and the upper base, and is confined within the space formed by the first baffle and the second baffle.

[0013] Optionally, the elastic component includes a hollow block fixedly connected to one side of the upper base, an adjusting screw passing through the hollow block, and two limiting springs symmetrically arranged on both sides of the adjusting screw and located inside the hollow block; The lower end of the adjusting screw is fixedly connected to the lower base.

[0014] Optionally, a fixing block is sleeved on the adjusting screw, the fixing block is located inside the hollow block and is fixedly connected to the adjusting screw, and the lower end of the limiting spring is fixed on the hollow block.

[0015] The beneficial effects of this application are as follows: By setting a torque transmission adjustment mechanism with elastic support components, the motor output shaft of the drive device synchronously changes position with the drive wheel to compensate for the transmission accuracy of the motor output shaft and the drive wheel; by setting a deviation adjustment mechanism, the position change of the drive wheel is limited within a specified range, so that the meshing accuracy of the drive wheel and the driven wheel meets the requirements; by setting a support adjustment mechanism to support and follow the movement of the deviation adjustment mechanism, the drive wheel of the drive device synchronously changes position with the driven wheel of the rotary kiln to compensate for the gear meshing accuracy of the drive wheel and the driven wheel, thereby achieving self-adjustment of accuracy. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 This is a schematic diagram of the torque transmission adjustment mechanism structure of this application; Figure 3 This is a side view of the deviation adjustment mechanism of this application; Figure 4 This is a diagram showing the connection relationship of the drive wheel gear shaft in this application; Figure 5 This is a schematic diagram of the supporting adjustment mechanism structure of this application.

[0017] In the diagram, 1 represents the torque transmission adjustment mechanism, 2 represents the deviation adjustment mechanism, 3 represents the support adjustment mechanism, 11 represents the elastic support assembly, 12 represents the moving assembly, 13 represents the elastic support, 14 represents the adjustment base, 121 represents the first roller, 122 represents the second roller, 123 represents the rotating shaft, 131 represents the support plate, 132 represents the first spring, 133 represents the second spring, 141 represents the first base plate, 142 represents the second base plate, 143 represents the bolt, 1431 represents the first bolt, 1432 represents the second bolt, 1433 represents the third bolt, 21 represents the universal coupling, 22 represents the housing, 23 represents the locking element, 24 represents the limiting element, 211 represents the drive wheel, 212 represents the driven wheel, 231 represents the support component, 232 represents the tensioning component, and 241 represents the suspension wheel. 242 Thrust wheel, 2111 First bearing, 2112 Second bearing, 2113 First bearing sleeve, 2114 First bearing seat, 2115 Locking nut, 2116 Pressure cap, 2117 Second bearing sleeve, 2118 Second bearing seat, 2119 Bearing cover, 2411 First suspension wheel, 2412 Second suspension wheel, 2421 First thrust wheel, 2422 Second thrust wheel, 2423 Rib, 2424 Reinforcing rib, 32 Universal joint, 33 Elastic component, 311 Base plate, 312 Upper base, 331 Hollow block, 332 Adjusting screw, 333 Limiting spring, 343 Lower base, 3111 First baffle, 3112 Second baffle. Detailed Implementation

[0018] In the description of this invention, it should 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," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to 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.

[0019] Furthermore, 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 at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0020] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention as the specific circumstances dictate.

[0021] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0022] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0023] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

[0024] The above description is merely an optional embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

[0025] To make the objectives, technical solutions, and beneficial effects of this application clearer, the preferred embodiments of this application will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding by those skilled in the art.

[0026] Example 1: See Figure 1 A precision compensation mechanism for a rotary kiln, comprising a rotary kiln and a drive unit, the precision compensation mechanism further comprising: The torque transmission adjustment mechanism 1 with elastic support component 11 is used to make the motor output shaft follow the drive wheel 211 of the drive device synchronously during the operation of the rotary kiln equipment; The deviation adjustment mechanism 2, which is connected to the torque transmission adjustment mechanism 1 via a universal coupling 21, is used to change the position of the drive wheel 211 of the drive device within a specified range during the operation of the rotary kiln equipment. The support adjustment mechanism 3, located below the deviation adjustment mechanism 2, is used to make the drive wheel 211 of the drive device change synchronously with the driven wheel 212 of the rotary kiln during the operation of the rotary kiln equipment.

[0027] The implementation method of this embodiment is as follows: First, determine the total power of the equipment during normal operation. Calculate the driving torque of the equipment based on its total weight, installation angle, number of supports, friction coefficient, production capacity, and operating speed. Compare and verify the operating parameters of similar equipment operating under abnormal conditions, considering various possible anomalies during production. This process involves repeated verification to determine the motor power, number of poles, reducer model, and torque transmitted by the universal coupling. Second, based on the vertical movement of the equipment body, manufacturing and installation tolerances, and specifications, and considering uncontrollable factors during equipment operation, determine the extension / retraction of the universal coupling 21, and the vertical, horizontal, and longitudinal movements of the base. Through calculation and comprehensive consideration of various factors, a deviation adjustment mechanism 2 is set up. To ensure installation accuracy and operational stability, a guide wheel 242 and observation / measuring ports are installed during the installation of the deviation adjustment mechanism 2, and all dimensions are repeatedly verified.

[0028] According to the overall plan, in actual operation, due to the mechanism of thermal expansion and contraction, the equipment body will drive the drive position to move axially by about 15 to 30 mm. When selecting universal coupling 21, full calculation and verification are carried out to meet the actual working conditions. In this embodiment, the rotary kiln has dimensions of φ4.5×58m, an unloaded weight of 1200 tons, four-stage support, and a calculated unloaded torque of 24580 N·m, approximately 18 kW. However, material lifting is the main source of power and torque consumption, requiring approximately 37 kW when the filling coefficient is 0.062 and approximately 55 kW when the filling coefficient is 0.086. Furthermore, due to the connections between components and the transmission of various forces, the operating performance of some components may be compromised. Therefore, an elastic support assembly 11 and a support adjustment mechanism 3 are designed and installed to ensure self-adjustment in response to changes in accuracy.

[0029] In this embodiment, the universal coupling 21 consists of two universal joints and a sleeve. One universal joint is connected to the motor output shaft, and the other universal joint is connected to the gear shaft of the drive wheel 211. The sleeve is connected to the two universal joints through a bayonet. The compensation amount of the universal coupling 21 is set between 30 and 100 mm, and the installation pre-extension is 10 to 40 mm. The support force of the elastic support component 11 is set to 0.8 to 2 times the weight of the universal coupling 21. This value can be adjusted according to the actual online operation. The support position is set at the end with the greater weight.

[0030] The compensation amount of a coupling refers to the ability to compensate for the relative misalignment of the two shafts caused by a combination of factors, including manufacturing errors, installation errors, impacts and vibrations caused by load changes during operation, machine base sinking, temperature changes, and bearing wear.

[0031] Effects: This application, by setting a torque transmission adjustment mechanism 1 with an elastic support component 11, enables the motor output shaft of the drive device to synchronously change position with the drive wheel 211, thereby compensating for the transmission accuracy of the motor output shaft and the drive wheel 211; by setting a deviation adjustment mechanism 2, the position change of the drive wheel 211 is limited within a specified range, thereby ensuring that the meshing accuracy of the drive wheel 211 and the driven wheel 212 meets the requirements; by setting a support adjustment mechanism 3 to support and follow the movement of the deviation adjustment mechanism 2, the drive wheel 211 of the drive device synchronously changes position with the driven wheel 212 of the rotary kiln, thereby compensating for the gear meshing accuracy of the drive wheel 211 and the driven wheel 212, thus achieving self-adjustment of accuracy.

[0032] Example 2: See Figure 2 The torque transmission adjustment mechanism 1 further includes a moving component 12, which includes a first roller 121, a second roller 122, and a rotating shaft 123; The first roller 121 and the second roller 122 are rotatably connected to the lower end of the universal coupling 21 via a rotating shaft 123.

[0033] The first roller 121 and the second roller 122 follow the universal coupling 21 to move in all directions and transmit the pressure of the movement to the elastic support assembly 11 below, so that the elastic support assembly 11 makes corresponding elastic changes. The elastic support assembly 11 includes an elastic support 13 disposed below the movable assembly 12 for supporting and adjusting the position of the universal coupling 21; and an adjustment base 14 disposed below the elastic support 13 for supporting and limiting the position of the elastic support 13. The lower ends of the first roller 121 and the second roller 122 are in sliding contact with the elastic support assembly 11; While supporting the first roller 121 and the second roller 122, the elastic support 13 transmits the motion pressure of the first roller 121 and the second roller 122 to the adjusting base 14. The elastic support 13 includes a support plate 131, a first spring 132 disposed below the support plate 131, and a second spring 133 disposed parallel to the first spring 132; The upper end of the first support plate 131 is in line contact with the lower ends of the first roller 121 and the second roller 122 to form a high pair. The lower end of the first support plate 131 is fixedly connected to the upper ends of the first spring 132 and the second spring 133.

[0034] After receiving the motion pressure from the first roller 121 and the second roller 122, the support plate 131 transmits the pressure to the first spring 132 and the second spring 133. The first spring 132 and the second spring 133 generate corresponding elastic deformation according to the magnitude of the pressure they receive. As the deformation occurs, the first roller 121 and the second roller 122 also change position, thereby enabling the elastic support assembly 11 to adapt to the positional changes generated by the universal coupling 21. The adjustment base 14 includes a first base plate 141, a second base plate 142 arranged parallel to the bottom of the first base plate 141, and bolts 143; The upper end of the first base plate 141 is fixedly connected to the lower end of the first spring 132 and the second spring 133. The first base plate 141 and the second base plate 142 are connected and fixed by bolts 143 to form an integral structure.

[0035] Bolt 143 includes a first bolt 1431, a second bolt 1432 and a third bolt 1433. The first bolt 1431, the second bolt 1432 and the third bolt 1433 are equally spaced between the first base plate 141 and the second base plate 142 to enhance the connection strength of the adjusting base 14. The adjustment base 14 supports the elastic support 13 and fixes the position of the elastic support 13 through the first base plate 141 and the second base plate 142, so as to ensure that when the first spring 132 and the second spring 133 of the elastic support 13 deform, the bottom position of the first spring 132 and the second spring 133 will not change arbitrarily, thereby enhancing the stability of the torque transmission adjustment mechanism 1 during operation and avoiding affecting the transmission accuracy compensation process of the drive wheel 211 and the motor output shaft.

[0036] The working process and effect of this embodiment: The motor output shaft and the gear shaft of the drive wheel 211 are connected by a universal coupling 21. When the drive wheel 211 changes position, the pressure generated by this position change is transmitted to the universal coupling 21 through the gear shaft of the drive wheel 211. The universal coupling 21 then changes position accordingly and transmits the pressure to the elastic support 13 through the moving component 12. The elastic support 13 undergoes elastic deformation after sensing the pressure to counteract it. Under the influence of the elastic deformation, the position of the moving component 12 changes accordingly, allowing the elastic support component 11 to adapt to the movement of the universal coupling 21. This achieves synchronous changes in the positions of the universal coupling 21 and the drive wheel 211. Since the relative positions of the universal coupling 21 and the drive wheel 211 remain constant, the motor output shaft and the drive wheel 211 can always maintain high transmission accuracy. This process is the transmission accuracy compensation process of the drive wheel 211 and the motor output shaft.

[0037] Example 3: See Figure 3 and Figure 4The deviation adjustment mechanism 2 includes a housing 22, a locking element 23, and a limiting element 24 for limiting the position of the housing 22; The drive wheel 211 of the drive device is installed inside the housing 22. The gear shaft of the drive wheel 211 is connected to the motor output shaft through a universal coupling 21. A driven wheel 212 is provided outside the housing 22. The driven wheel 212 is located above the drive wheel 211 and is sleeved on the outer wall of the rotary kiln.

[0038] The middle part of the gear shaft and the drive wheel 211 are radially fixed by a key connection, and one end of the gear shaft and the universal coupling 21 are radially fixed by a key connection. The locking element 23 includes a support member 231 disposed inside the housing 22 and a tension member 232 disposed outside the housing 22. One end of the support member 231 is fixed to the outer wall of the drive wheel 211, and the other end extends out of the housing 22 and is fixedly connected to one end of the tension member 232. The other end of the tension member 232 is fixed to the outer wall of the housing 22. The limiting element 24 includes a suspension wheel 241 disposed above the housing 22 for supporting the driven wheel 212 and a stop wheel 242 for driving the housing 22 to move. The stop wheel 242 is fixedly installed on the outside of the suspension wheel 241.

[0039] The housing 22 has an opening at the top, which provides meshing space for the drive wheel 211 and the driven wheel 212. The deviation adjustment mechanism 2 has an observation port and a measurement port on its axial direction, which are mainly used to observe the actual gap between the drive wheel 211 and the driven wheel 212 or to measure the gap between the two, so as to ensure that the gaps at the top and bottom are consistent. The normal gap value is 1 to 2 mm.

[0040] The gear shaft is provided with a first bearing 2111 and a second bearing 2112 at both ends. A first bearing sleeve 2113 is provided on the outer side of the first bearing 2111 near the universal coupling 21 to provide support for the first bearing 2111. A first bearing seat 2114 is provided on the outer side of the first bearing sleeve 2113 to fix the first bearing 2111. The inner ring of the first bearing 2111 is fixed on the gear shaft by a locking nut 2115. A pressure cap 2116 is provided on one side of the first bearing sleeve 2113, and the first bearing 2111 is sealed by the pressure cap 2116.

[0041] The second bearing 2112 is located at the end of the gear shaft away from the universal coupling 21. The fixing method of the second bearing 2112 is similar to that of the first bearing 2111. A second bearing sleeve 2117 is provided on the outside of the second bearing 2112 to provide support for the second bearing 2112. A second bearing seat 2118 is provided on the outside of the second bearing sleeve 2117 to fix the second bearing 2112. A bearing cover 2119 is provided on one side of the second bearing sleeve 2117, and the second bearing 2112 is sealed by the bearing cover 2119.

[0042] The first bearing 2111 and the second bearing 2112 provide support for the gear shaft of the drive wheel 211; The suspension wheel 241 includes a first suspension wheel 2411 and a second suspension wheel 2412, which are used to limit the maximum position when the driven wheel 212 moves upward. The stop wheel 242 includes a first stop wheel 2421 and a second stop wheel 2422. A rib plate 2423 is welded to one side of the second stop wheel 2422. Two force-bearing ribs 2424 are provided at the bottom end of the rib plate 2423. One force-bearing rib 2424 is fixed to the gear shaft of the drive wheel 211 by a locking sleeve, and the other force-bearing rib 2424 is welded to the second bearing seat 2118.

[0043] There are four sets of limiting elements 24, namely, four sets of retaining wheels 242 and four sets of suspension wheels 241 on the housing 22 (only two retaining wheels 242 and two suspension wheels 241 are shown in the figure). They are located at the front, back, left and right positions on the upper part of the housing 22. The retaining wheels 242 mainly ensure the swing adjustment in the front and back and left and right and transmit a certain force to drive the support adjustment mechanism 3 to work. During installation, the meshing condition of the drive wheel 211 and the driven wheel 212 must be measured. Therefore, the distance between the two retaining wheels 242 on the rear side is larger to ensure the measurement position, while the distance between the two retaining wheels 242 on the front side is smaller to ensure that the support adjustment mechanism 3 does not move frequently.

[0044] The distance between the two suspension wheels 241 on one side is between 30 and 100 mm, and the distance between the two suspension wheels 241 on the other side is between 1000 and 1200 mm. The suspension wheels 241 are symmetrical in pairs, which facilitates visual inspection or patrol. In this embodiment, the tensioning members 232 on both sides of the housing have a force range of 100KN to 300KN, and the installation angle of the tensioning members 232 is between 15° and 40°. The force during operation is constantly changing, making the process dynamic. The equilibrium magnitude of this force at a given point is incalculable; therefore, adjustable support and tensioning elastic forces are set within the specified range to ensure the mechanism can work well in its normal working position. Two support members 231 and two tensioning members 232 are provided on the left and right sides to ensure automatic balance of the left and right forces and accurate working position of the working parts. The support force ranges from 180,000N to 300,000N, and the tension force is 80,000 to 150,000N for each member.

[0045] Working process and effect: When the force on the drive wheel 211 changes, the housing 22 will also change, which will disrupt the meshing accuracy between the driven wheel 212 and the drive wheel 211. In this embodiment, a support member 231 and a tensioning member 232 are provided. The support member 231 fixes the drive wheel 211. When the position of the drive wheel 211 changes, the pressure generated is transmitted to the tensioning member 232 through the support member 231. The tensioning member 232 is adjusted online to make the drive wheel 211 located in the housing 22 change position within a specified range, so that the drive wheel 211 meets the accuracy change requirements and ensures the meshing accuracy between the drive wheel 211 and the driven wheel 212. In addition to online adjustment, the tensioning member 232 can also be set as an elastic element to automatically adjust the change of the drive wheel 211 through elastic deformation.

[0046] See Figure 5 A base plate 311 is also provided below the deviation adjustment mechanism 2; The bottom plate 311 has a first baffle 3111 and a second baffle 3112 parallel to the first baffle 3111 on one side of its lower end.

[0047] The support adjustment mechanism 3 includes a universal mechanism 32 disposed below the base plate 311, an upper base 312 disposed below the universal mechanism 32, elastic components 33 disposed on both sides of the upper base 312, and a lower base 343 disposed below the elastic components 33. The universal joint 32 is disposed between the base plate 311 and the upper base 312, and the universal joint 32 is confined within the space formed by the first baffle 3111 and the second baffle 3112.

[0048] Among them, the universal mechanism 32 can be set as a single-layer universal or a multi-layer convertible universal. When set as a single-layer universal, the range of motion is 10-50mm in the front-back and left-right directions, and 2-8mm in the up-down direction. The single-layer spacing is less than 200mm, and the wheel diameter is 30-120mm. When configured as a multi-layer universal joint, the spacing between the layers is less than 80mm, and the sliding distance between layers is less than 60mm. The force range of the elastic component 33 is 300KN~1000KN.

[0049] Driven by the housing 22, the universal mechanism 32 can generate pressure in all directions of the upper base 312. This motion pressure is transmitted to the elastic components 33 on both sides. The feedback from the elastic components 33 drives the universal mechanism 32 to change position, thereby achieving synchronous changes in the positions of the universal mechanism 32 and the housing 22.

[0050] The elastic component 33 is provided in two sets. Taking one set as an example, the elastic component 33 includes a hollow block 331 fixedly connected to one side of the upper base 312, an adjusting screw 332 passing through the hollow block 331, and two limiting springs 333 symmetrically arranged on both sides of the adjusting screw 332 and located inside the hollow block 331. The lower end of the adjusting screw 332 is fixedly connected to the lower base 343.

[0051] The elastic component 33 has an elastic range of 3 to 9 mm, and its vertical and horizontal amplitude is set to 20 mm.

[0052] A fixing block 334 is sleeved on the adjusting screw 332. The fixing block 334 is located inside the hollow block 331 and is fixedly connected to the adjusting screw 332. The lower end of the limiting spring 333 is fixed on the hollow block 331.

[0053] By setting a fixed block 334 to support the limiting spring 333, the position of the limiting spring 333 does not change when it undergoes elastic deformation, thereby ensuring relative movement between the hollow block 331 and the adjusting screw 332.

[0054] Working process: The driven wheel 212 moves axially, generating axial force that acts on the retaining wheel 242. The retaining wheel 242 drives the housing 22 to move. The universal joint mechanism 32 is subjected to the pressure of the housing 22, pressing down on the upper base 312. The upper base 312 transmits the pressure to the hollow block 331, which in turn transmits the pressure to the adjusting screw 332 and the limiting spring 333. The adjusting screw 332 does not change after being compressed, while the limiting spring 333 undergoes elastic deformation after being compressed. This deformation drives the hollow block 331 to move, which in turn drives the upper base 312 and the universal joint mechanism 32 to move. When the elastic deformation disappears, the universal joint mechanism 32 and the housing 22 return to their original positions.

[0055] The above process allows the positional changes of the support adjustment mechanism 3 and the housing 22 to remain synchronized, thereby ensuring that when the driven wheel 212 moves axially, the drive wheel 211 and the driven wheel 212 remain relatively stationary, and the meshing accuracy of the two wheels is kept within a high range.

[0056] Overall working process: When the rotary kiln experiences axial movement, the driven wheel 212 on the rotary kiln transmits the axial force generated to the housing 22 via the thrust wheel 242. The housing 22 then transmits the force to the universal joint 32. The force from the universal joint 32 is transmitted to the elastic component 33 via the upper base 312. The elastic component 33 undergoes elastic deformation under the force, driving the universal joint 32 to move. The universal joint 32 then drives the housing 22 to move, thereby achieving synchronous changes in the positions of the housing 22 and the driven wheel 212, thus compensating for the meshing accuracy of the drive wheel 211 and the driven wheel 212. The housing 22 causes a change in the position of the gear shaft of the drive wheel 211, which in turn causes a change in the position of the universal coupling 21. The position changes, thereby achieving synchronous changes in the motor output shaft and the gear shaft of the drive wheel 211, thus compensating for the transmission accuracy of the motor and the drive wheel 211. The elastic support component 11 is subjected to the motion pressure of the universal coupling 21, supporting and following the movement of the universal coupling 21, thereby achieving synchronous changes in the universal coupling 21 and the elastic support component 11, and avoiding damage to certain components of the torque transmission adjustment mechanism. At the same time, during the meshing process with the drive wheel 211, the driven wheel 212 transmits force to the drive wheel 211, and the tensioning member 232 restricts the position change of the drive wheel 211 within the housing 22, thereby ensuring that the meshing accuracy of the drive wheel 211 and the driven wheel 212 meets the requirements.

[0057] In summary, this mechanism can not only improve and adjust various errors between the various transfer components of the equipment, but also provide a convenient channel for intuitively detecting the relative operating conditions of each component, and make timely auxiliary adjustments, thereby improving the operating accuracy between the various components of the equipment, ensuring the service life of the equipment, eliminating some unnecessary vulnerable parts, reducing maintenance, repair and failure rates, improving the operational stability and long-term performance of the equipment, and creating greater profits for enterprises.

[0058] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this application; the dimensions of the drawings are not related to the specific physical object, and the physical object dimensions can be arbitrarily changed.

Claims

1. A precision compensation mechanism for rotary kiln equipment, comprising a rotary kiln and a drive unit, characterized in that: The accuracy compensation mechanism also includes: A torque transmission adjustment mechanism (1) with an elastic support component (11) is used to make the motor output shaft change synchronously with the drive wheel (211) of the drive device during the operation of the rotary kiln equipment; The deviation adjustment mechanism (2) is connected to the torque transmission adjustment mechanism (1) via a universal coupling (21) and is used to make the drive wheel (211) of the drive device change within a specified range during the operation of the rotary kiln equipment. The support adjustment mechanism (3) located below the deviation adjustment mechanism (2) is used to make the drive wheel (211) of the drive device change synchronously with the driven wheel (212) of the rotary kiln during the operation of the rotary kiln equipment; The torque transmission adjustment mechanism (1) further includes a moving component (12), which includes a first roller (121), a second roller (122), and a rotating shaft (123). The first roller (121) and the second roller (122) are rotatably connected to the lower end of the universal coupling (21) via a rotating shaft (123); the deviation adjustment mechanism (2) includes a housing (22), a locking element (23) and a limiting element (24) for limiting the position of the housing (22). The drive wheel (211) of the drive device is installed inside the housing (22). The gear shaft of the drive wheel (211) is connected to the motor output shaft through a universal coupling (21). A driven wheel (212) is provided outside the housing (22). The driven wheel (212) is located above the drive wheel (211) and is sleeved on the outer wall of the rotary kiln. The elastic support assembly (11) includes an elastic support (13) disposed below the movable assembly (12) for supporting and adjusting the position of the universal coupling (21); and an adjustment base (14) disposed below the elastic support (13) for supporting and defining the position of the elastic support (13). The lower ends of the first roller (121) and the second roller (122) are in sliding contact with the elastic support assembly (11); The elastic support (13) includes a support plate (131), a first spring (132) disposed below the support plate (131), and a second spring (133) disposed parallel to the first spring (132). The upper end of the first support plate (131) and the lower end of the first roller (121) and the second roller (122) form a high pair through line contact. The lower end of the first support plate (131) is fixedly connected to the upper end of the first spring (132) and the second spring (133). A base plate (311) is also provided below the deviation adjustment mechanism (2); The bottom plate (311) has a first baffle (3111) on one side of its lower end, and a second baffle (3112) parallel to the first baffle (3111). The support adjustment mechanism (3) includes a universal mechanism (32) disposed below the base plate (311), an upper base (312) disposed below the universal mechanism (32), elastic components (33) disposed on both sides of the upper base (312), and a lower base (343) disposed below the elastic components (33). The universal joint (32) is disposed between the base plate (311) and the upper base (312), and the universal joint (32) is confined within the space formed by the first baffle (3111) and the second baffle (3112).

2. The precision compensation mechanism for rotary kiln equipment as described in claim 1, characterized in that: The adjustment base (14) includes a first base plate (141), a second base plate (142) arranged parallel to the bottom of the first base plate (141), and bolts (143). The upper end of the first base plate (141) is fixedly connected to the lower end of the first spring (132) and the second spring (133). The first base plate (141) and the second base plate (142) are connected and fixed by bolts (143) to form an integral structure.

3. The precision compensation mechanism for rotary kiln equipment as described in claim 1, characterized in that: The locking element (23) includes a support member (231) disposed inside the housing (22) and a tension member (232) disposed outside the housing (22). One end of the support member (231) is fixed to the outer wall of the drive wheel (211), and the other end extends out of the housing (22) and is fixedly connected to one end of the tension member (232). The other end of the tension member (232) is fixed to the outer wall of the housing (22). The limiting element (24) includes a suspension wheel (241) disposed above the housing (22) for supporting the driven wheel (212) and a stop wheel (242) for driving the housing (22) to move. The stop wheel (242) is fixedly installed on the outside of the suspension wheel (241).

4. The precision compensation mechanism for rotary kiln equipment as described in claim 1, characterized in that: The elastic component (33) includes a hollow block (331) fixedly connected to one side of the upper base (312), an adjusting screw (332) passing through the hollow block (331), and two limiting springs (333) symmetrically arranged on both sides of the adjusting screw (332) and located inside the hollow block (331). The lower end of the adjusting screw (332) is fixedly connected to the lower base (343).

5. The precision compensation mechanism for rotary kiln equipment as described in claim 1, characterized in that: A fixing block (334) is sleeved on the adjusting screw (332). The fixing block (334) is located inside the hollow block (331) and is fixedly connected to the adjusting screw (332). The lower end of the limiting spring (333) is fixed on the hollow block (331).

Citation Information

Patent Citations

  • METHOD AND DEVICE FOR DETECTING STRAIGHTNESS DEVIATIONS AND / OR DEFORMATIONS IN A ROTARY KILN

    AT511105B1

  • A adjustable ring structure for turning round type kiln class equipment

    CN206222906U