阅读说明：本技术 一种锅炉钢架专用构件的可升降横梁及操作方法 (Liftable crossbeam of special component for boiler steel frame and operation method ) 是由 黄斌润 黄润霞 于 2020-12-28 设计创作，主要内容包括：本发明公开了一种锅炉钢架专用构件的可升降横梁及操作方法,包括底座,其特征在于,所述底座顶部四角均转动连接有转动台,且转动台顶部一侧均焊接有支撑柱,所述支撑柱外壁均螺接有缓冲机构,且缓冲机构一侧均焊接有伸缩杆,所述底座顶部设有横梁本体,缓冲机构包括与支撑柱螺纹连接的螺纹套,且螺纹套外壁焊接有固定环,所述固定环外壁滑动连接有套管。本发明通过在底座的四角分别转动连接有固定台,支撑柱位于转动台的一侧,同时,横梁本体的四角通过伸缩杆与支撑柱进行连接,从而转动台转动可以调节支撑柱之间的距离,实现了尺寸的调节,通过设置有缓冲机构,锅炉使用时产生的震动可以被缓冲机构减缓,从而起到了保护的作用。(The invention discloses a liftable crossbeam of a special component for a boiler steel frame and an operation method of the liftable crossbeam, wherein the liftable crossbeam comprises a base and is characterized in that four corners of the top of the base are rotatably connected with a rotating table, supporting columns are welded on one side of the top of the rotating table, the outer walls of the supporting columns are respectively in threaded connection with a buffer mechanism, telescopic rods are welded on one side of each buffer mechanism, a crossbeam body is arranged on the top of the base, each buffer mechanism comprises a threaded sleeve in threaded connection with each supporting column, a fixing ring is welded on the outer wall of each threaded sleeve, and a sleeve is slidably connected. The four corners of the base are respectively connected with the fixed table in a rotating mode, the supporting columns are located on one side of the rotating table, meanwhile, the four corners of the beam body are connected with the supporting columns through the telescopic rods, so that the rotating table rotates to adjust the distance between the supporting columns, size adjustment is achieved, and vibration generated when the boiler is used can be relieved by the aid of the buffering mechanism, and accordingly the boiler is protected.)

1. The lifting beam of the special component for the boiler steel frame comprises a base (1) and is characterized in that four corners of the top of the base (1) are rotatably connected with a rotating table (2), supporting columns (3) are welded on one side of the top of the rotating table (2), the outer walls of the supporting columns (3) are respectively screwed with a buffer mechanism (4), a telescopic rod (5) is welded on one side of the buffer mechanism (4), a beam body (6) is arranged on the top of the base (1), each buffer mechanism (4) comprises a threaded sleeve (7) in threaded connection with the corresponding supporting column (3), a fixing ring (8) is welded on the outer wall of each threaded sleeve (7), a sleeve (9) is slidably connected to the outer wall of each fixing ring (8), springs (10) distributed at equal intervals are welded between the two sides of the fixing rings (8) and the sleeve (9), and driven gears (11) are welded on the, and driven gear (11) outer wall all meshes has driving gear (12), base (1) one side outer wall welding has fixed station (13), and fixed station (13) top installs servo motor (14), servo motor (14) output is walked and is run through base (1) one side outer wall welding machine and has worm (15), base (1) internal rotation is connected with pivot (16), and pivot (16) bottom outer wall fixedly connected with worm wheel (17), the first reducing gear (18) of pivot (16) top outer wall fixedly connected with, and the meshing has second reducing gear (19) on first reducing gear (18).

2. The liftable crossbeam of the special component for the boiler steel frame according to claim 1, wherein the telescopic rod (5) comprises a connecting rod (20) welded with the buffer mechanism (4), a sleeve (21) is arranged on the outer wall of the connecting rod (20) in a sliding and refining manner, the other end of the sleeve (21) is connected with a four-corner rotating shaft of the crossbeam body (6), and the length of the telescopic rod (5) is greater than the diameter of the rotating table (2).

3. The liftable crossbeam of a special component for a boiler steel frame according to claim 1, wherein the outer wall of the fixing ring (8) is in sliding fit with the inner wall of the sleeve (9), and the top and the bottom of the sleeve (9) are in sliding fit with the supporting column (3).

4. The liftable crossbeam of the special component for the boiler steel frame according to claim 1, wherein the outer walls of the support columns (3) are provided with threads matched with the thread sleeves (7), and the distance between every two adjacent support columns (3) is the same.

5. The lifting beam of claim 1, wherein the driving gears (12) are mounted on the top of the base (1) through connecting shafts (22), the connecting shafts (22) are in rotating fit with the base (1), two adjacent driving gears (12) are meshed with each other, and one connecting shaft (22) penetrates through the outer wall of the top of the base (1) and is fixedly connected with the second reduction gear (19).

6. The liftable crossbeam of the special member for the boiler steel frame according to claim 1, wherein an output shaft of the servo motor (14) is in running fit with an outer wall of the base (1), and the servo motor (14) is connected with an external power supply through a wire.

7. The liftable crossbeam of a special component for a boiler steel frame according to claim 1, wherein the second reduction gear (19) has a larger outer diameter than the first reduction gear (18), and the worm wheel (17) and the worm (15) are meshed with each other.

8. An operation method of a lifting beam of a special component for a boiler steel frame is characterized in that a base is fixed on the ground firstly, then a servo motor is started, the servo motor drives a worm to rotate so as to enable a worm wheel to rotate a first reduction gear through a rotating shaft, the first reduction gear drives a second reduction gear to rotate, the outer diameter of the second reduction gear is larger than that of the first reduction gear, the rotating speed can be reduced, the driving force is increased, then the second reduction gear enables driving gears to rotate through a connecting shaft, the adjacent two driving gears are meshed with each other, so that the rotating angle of each gear is the same, then a driven gear is driven to rotate through the driving gears, so that the rotating table can be controlled to rotate, in the rotating process of the rotating table, a supporting column is positioned at one side of the rotating table, so that the supporting column can rotate, the distance between every support column can send out and change among the rotation process, also can take place to rotate between through support column 3 and buffer gear 4, the lift of crossbeam body has been realized to the rotation in-process, it is rotatory always along with rotating the platform, finally can make the crossbeam body rise to the take the altitude, control servo motor makes the certain angle of rotation platform rotation afterwards, thereby distance between the control support column, realized the regulation to the size, in the use, can produce vibrations when the boiler itself uses, these vibrations can be moved the spring and offset, thereby the life of crossbeam body has been increased.

Technical Field

The invention relates to the technical field of boiler steel frames, in particular to a liftable crossbeam of a special component for a boiler steel frame and an operation method.

Background

The steel structure is used in various industries due to its advantages of high strength, light dead weight, strong deformation resistance and the like. The steel structure is mainly made of steel and is one of the main building structure types. The steel has the characteristics of high strength, light dead weight and high rigidity, so the steel is particularly suitable for building large-span, ultrahigh and extra-heavy buildings; the material has good homogeneity and isotropy, belongs to an ideal elastomer and most conforms to the basic assumption of general engineering mechanics; the material has good plasticity and toughness, can deform greatly and can bear dynamic load well; the construction period is short; the industrialization degree is high, and the specialized production with high mechanization degree can be carried out; the processing precision is high, the efficiency is high, the sealing performance is good, so the method can be used for building gas tanks, oil tanks, transformers and the like.

Through search, the patent (application number: 202020535599.X) discloses a "lifting beam of a special component for boiler steel frame", the device provides power through a motor, a chain wheel I is driven to rotate, the chain wheel I transmits the power to a chain wheel II through a chain, the chain wheel II drives a screw I to rotate, so that a screw nut moves up and down, two ends of a support beam I in the beam are respectively fixedly connected with the screw nut, the other two ends of the support beam I are respectively fixedly connected with a sliding block, when the screw nut moves up and down, the screw II and the sliding block both move along with each other to carry out auxiliary support, so that the beam can be driven to move up and down for installation, the defects that the construction period is prolonged and the cost investment is increased due to the fact that equipment which needs to be replaced cannot be hoisted are solved, however, the device cannot adjust the size due to the fact that the sizes of boilers are generally different, its suitability is low, simultaneously, filters and can produce vibrations when using, and long-term vibrations can lead to the lead screw wearing and tearing serious, the risk that takes place to collapse easily.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a lifting beam of a special component for a boiler steel frame and an operation method.

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

a lifting crossbeam of a special component for a boiler steel frame and an operation method thereof comprise a base and are characterized in that four corners of the top of the base are rotatably connected with a rotating table, supporting columns are welded on one side of the top of the rotating table, buffering mechanisms are screwed on the outer walls of the supporting columns, telescopic rods are welded on one sides of the buffering mechanisms, a crossbeam body is arranged on the top of the base, each buffering mechanism comprises a threaded sleeve in threaded connection with the supporting columns, a fixing ring is welded on the outer wall of the threaded sleeve, a sleeve is slidably connected on the outer wall of the fixing ring, springs distributed at equal intervals are clamped between the two sides of the fixing ring and the sleeve, driven gears are welded on the outer wall of the rotating table, driving gears are meshed with the outer walls of the driven gears, a fixing table is welded on the outer wall of one side of the base, a servo motor is installed, the base internal rotation is connected with the pivot, and pivot bottom outer wall fixedly connected with worm wheel, pivot top outer wall fixedly connected with first reduction gear, and the meshing has the second reduction gear on the first reduction gear.

Preferably, the telescopic link includes and carries out welded connecting rod with buffer gear, and the sliding of connecting rod outer wall is practised the level and is had the sleeve, the telescopic other end is connected with the four corners pivot of crossbeam body, the length of telescopic link is greater than the diameter of revolving stage.

Preferably, the outer wall of the fixing ring and the inner wall of the sleeve form sliding fit, and the top and the bottom of the sleeve form sliding fit with the supporting column.

Preferably, the outer wall of each supporting column is provided with a thread matched with the thread sleeve, and the distance between every two adjacent supporting columns is the same.

Preferably, the driving gears are all installed at the top of the base through connecting shafts, the connecting shafts are in running fit with the base, the adjacent two driving gears are meshed with each other, and one of the connecting shafts penetrates through the outer wall of the top of the base and is fixedly connected with the second reduction gear.

Preferably, the output shaft of the servo motor forms a running fit with the outer wall of the base, and the servo motor is connected with an external power supply through a wire.

Preferably, the second reduction gear has a larger outer diameter than the first reduction gear, and the worm wheel and the worm are engaged with each other.

The invention has the beneficial effects that:

1. the four corners of the base are respectively connected with the fixed tables in a rotating mode, the supporting columns are located on one side of the rotating table, and meanwhile, the four corners of the beam body are connected with the supporting columns through the telescopic rods, so that the rotating table rotates to adjust the distance between the supporting columns, the size adjustment is realized, and the vibration generated when the boiler is used can be reduced by the buffer mechanism through the arrangement of the buffer mechanism, so that the protection effect is achieved;

2. the used driving gear and driven gear connection that are provided with, support column and buffer gear threaded connection, thereby realized raising and lowering functions, intermeshing between four driving gears, thereby can make every rotation platform pivoted angle the same, through being provided with first reduction gear drive second reduction gear, played the function of increasing drive power when the power is constant, it is rotatory through worm drive worm wheel, when servo motor stall rotatory, the worm can be fixed the worm wheel, played the function of locking.

Drawings

FIG. 1 is a schematic structural diagram of a main body of a liftable beam of a special component for a boiler steel frame, which is provided by the invention;

FIG. 2 is a schematic structural view of a buffering mechanism of a lifting beam of a special component for a boiler steel frame, which is provided by the invention;

FIG. 3 is a schematic view of a top view structure of a base of a liftable beam of a special component for a boiler steel frame according to the present invention;

FIG. 4 is a schematic view of a connection structure of a beam body and a telescopic rod of a lifting beam of the special component for the boiler steel frame, which is provided by the invention;

fig. 5 is a schematic view of a telescopic rod structure of a lifting beam of the special component for the boiler steel frame provided by the invention.

In the figure: the device comprises a base 1, a rotating table 2, a supporting column 3, a buffering mechanism 4, a telescopic rod 5, a crossbeam body 6, a thread bushing 7, a fixing ring 8, a sleeve 9, a spring 10, a driven gear 11, a driving gear 12, a fixing table 13, a servo motor 14, a worm 15, a rotating shaft 16, a worm wheel 17, a first reduction gear 18, a second reduction gear 19, a connecting rod 20, a sleeve 21 and a connecting shaft 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a liftable crossbeam of a special component for a boiler steel frame comprises a base 1, wherein four corners of the top of the base 1 are rotatably connected with a rotating table 2, supporting columns 3 are welded on one side of the top of the rotating table 2, buffering mechanisms 4 are screwed on the outer walls of the supporting columns 3, telescopic rods 5 are welded on one sides of the buffering mechanisms 4, a crossbeam body 6 is arranged on the top of the base 1, each buffering mechanism 4 comprises a threaded sleeve 7 in threaded connection with the supporting columns 3, a fixing ring 8 is welded on the outer wall of the threaded sleeve 7, a sleeve 9 is slidably connected to the outer wall of the fixing ring 8, springs 10 are welded between two sides of the fixing ring 8 and the sleeve 9 in opposite clamping mode and are distributed equidistantly, each telescopic rod 5 comprises a connecting rod 20 welded with the buffering mechanisms 4, a sleeve 21 is slidably arranged on the outer wall of the connecting rod 20, and, the length of the telescopic rod 5 is greater than the diameter of the rotating table 2, the outer wall of the fixing ring 8 and the inner wall of the sleeve 9 form sliding fit, the top and the bottom of the sleeve 9 and the support columns 3 form sliding fit, the outer wall of each support column 3 is provided with a thread matched with the thread sleeve 7, the distance between every two adjacent support columns 3 is the same, the fixing table 2 is respectively connected in a rotating mode at four corners of the base 1, the support columns 3 are located on one side of the rotating table, meanwhile, the four corners of the cross beam body 6 are connected with the support columns 3 through the telescopic rods 5, so that the rotating table 2 can adjust the distance between the support columns 3 through rotation, size adjustment is achieved, and through the arrangement of the buffer mechanism 4, vibration generated during boiler use can be relieved by the buffer mechanism 4, and a protection effect is achieved;

the outer wall of the rotating table 2 is welded with driven gears 11, the outer wall of each driven gear 11 is meshed with a driving gear 12, the outer wall of one side of the base 1 is welded with a fixed table 13, a servo motor 14 is installed at the top of the fixed table 13, the servo motor 14 outputs to penetrate through a welding machine with a worm 15 on the outer wall of one side of the base 1, a rotating shaft 16 is connected in the base 1 in a rotating mode, a worm wheel 17 is fixedly connected to the outer wall of the bottom of the rotating shaft 16, a first speed reduction gear 18 is fixedly connected to the outer wall of the top of the rotating shaft 16, a second speed reduction gear 19 is meshed with the first speed reduction gear 18, the driving gears 12 are all installed at the top of the base 1 through connecting shafts 22, the connecting shafts 22 and the base 1 form rotating fit, every two adjacent driving gears 12 are mutually meshed, one connecting, the output shaft of the servo motor 14 forms a running fit with the outer wall of the base 1, the servo motor 14 is connected with an external power supply through a wire, the outer diameter of the second reduction gear 19 is larger than the first reduction gear 18, the worm wheel 17 is meshed with the worm 15, the driving gear 12 is connected with the driven gear 11 through the arrangement, the supporting column 3 is in threaded connection with the buffer mechanism 4, so that the lifting function is achieved, the four driving gears 12 are meshed with each other, so that the rotating angle of each rotating table is the same, the second reduction gear 19 is driven through the first reduction gear 18, the function of increasing the driving force when the power is constant is achieved, the worm wheel 17 is driven to rotate through the worm 15, when the servo motor 14 stops rotating, the worm 15 can fix the worm wheel 17, and the locking function is achieved.

The working principle is as follows: firstly, the base 1 is fixed on the ground, then the servo motor 14 is started, the servo motor 14 drives the worm 15 to rotate, further the worm wheel 17 drives the first reduction gear 18 to rotate through the rotating shaft 16, the first reduction gear 18 drives the second reduction gear 19 to rotate, the outer diameter of the second reduction gear 19 is larger than that of the first reduction gear 18, the rotating speed can be reduced, the driving force is increased, then the second reduction gear 19 drives the driving gears 12 to rotate through the connecting shaft 22, the adjacent two driving gears 12 are mutually meshed, so that the rotating angle of each gear is the same, then the driving gear 12 drives the driven gear 11 to rotate, further the rotating table 2 can be controlled to rotate, in the rotating process of the rotating table 2, because the supporting columns 3 are positioned at one side of the rotating table 2, the supporting columns 3 can rotate around the center of the rotating table 2, and the distance between each supporting column 3 can change in the rotating process, also can take place to rotate through between support column 3 and buffer gear 4, the lift of crossbeam body 6 has been realized to the rotation in-process, it is rotatory always along with revolving stage 2, finally can make crossbeam body 6 rise to a take the altitude, control servo motor 14 afterwards makes revolving stage 2 rotatory certain angle, thereby distance between the control support column 3, realized the regulation to the size, in the use, can produce vibrations when the boiler itself uses, these vibrations can be moved and offset spring 10, thereby the life of crossbeam body 6 has been increased.

In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.