Cylindrical structure spraying device with lifting function

Abstract

According to the cylindrical structure spraying device with the lifting function, the lifting mechanism drives the workbench to move up and down, the driving mechanism drives the bevel gear disc to rotate, and when the rotary table and the workbench are fixed through the connecting mechanism, the bevel gear disc drives the bevel gears to rotate; a screw hole in a bevel gear is matched with a screw rod to drive a mounting seat to radially extend and retract relative to the rotary table, namely, the distance between a spray head and the inner wall of the chimney is adjusted, and universal wheels elastically abut against the inner wall of the chimney under the action of elastic pieces, so that stable lifting of the workbench is facilitated; the positions of the nozzles can be adaptively adjusted according to the cambered surface condition of the inner wall of the chimney so as to guarantee the spraying effect, when the rotary table and the conical fluted disc are fixed through the connecting mechanism, the conical fluted disc drives the rotary table to rotate, that is, the multiple nozzles are driven to rotate to be matched with the hoisting process of the hoisting mechanism to conduct comprehensive spraying work on the inner wall of the chimney, and the beneficial effect of high automation is achieved; and the labor cost is reduced, and meanwhile the spraying work efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cylindrical structure construction, and in particular to a cylindrical structure spraying device with a lifting function. Background Art

[0002] Chimney is one of the oldest and most important anti-pollution devices. Its main function is to remove fire and smoke, exhaust smoke and improve combustion conditions. It is generally divided into brick masonry, iron, asbestos, ceramics, etc. according to the material. High chimneys are built in power plants, chemical plants and paper mills. In order to prevent the substances in the smoke inside the flue from corroding the inside of the chimney, it is usually necessary to spray a protective layer on the inside of the chimney. However, the existing chimney spraying usually needs to use a lifting frame or a hanger to be manually applied, which consumes more human labor resources and is prone to uneven application. The overall construction efficiency is low and the application effect is poor. Summary of the invention

[0003] The purpose of the present invention is to address the deficiencies in the above-mentioned technology and to propose a cylindrical structure spraying device with a lifting function, in order to solve the above-mentioned problems.

[0004] The present invention provides a cylindrical structure spraying device with a lifting function, comprising:

[0005] A fixed frame, the fixed frame is installed on the top of the chimney, the fixed frame is provided with a lifting mechanism, the lifting mechanism is provided with a cable for pulling an object, and one end of the cable is connected to a workbench;

[0006] A turntable, the turntable is rotatably mounted on the workbench, and the turntable is provided with a plurality of mounting seats that move radially along the turntable;

[0007] An adjusting frame, each of the mounting seats is movably provided with the adjusting frame, the adjusting frame is provided with a universal wheel and a spray gun for spraying paint, and the mounting seat is provided with an elastic member for driving the universal wheel to abut against the inner wall of the chimney;

[0008] A telescopic assembly, each of the mounting seats is provided with the telescopic assembly for driving the mounting seat to move, the telescopic assembly comprises a bevel gear and a screw, the screw is connected to the mounting seat, the bevel gear is rotatably mounted on the turntable, and the bevel gear is provided with a screw hole that matches the screw;

[0009] A bevel gear disc, which is rotatably mounted on the workbench and meshes with a plurality of the bevel gears respectively, and a driving mechanism for driving the bevel gear disc to rotate is provided on the workbench;

[0010] A connecting mechanism is arranged on the turntable, and is used to drive the turntable to be fixedly connected to the workbench and the bevel gear disk respectively.

[0011] Preferably, the connecting mechanism includes a moving disk, a compression spring and an electromagnetic assembly, the moving disk is movably mounted on the turntable and the moving disk rotates synchronously with the turntable, the moving disk is provided with a first bevel gear and a second bevel gear, the workbench is provided with a first bevel tooth groove meshing with the first bevel gear, the bevel tooth disk is provided with a second bevel tooth groove meshing with the second bevel gear, the compression spring is used to push the moving disk to drive the second bevel gear to mesh with the second bevel gear and drive the first bevel gear away from the first bevel tooth groove, the electromagnetic assembly is provided on the turntable, and the electromagnetic assembly is used to drive the moving disk to move to drive the first bevel gear to mesh with the first bevel tooth groove and drive the second bevel gear away from the second bevel tooth groove.

[0012] Preferably, a plurality of mounting posts are arranged in a circular array on the turntable, the movable plate is movably mounted on the plurality of mounting posts, and the compression spring is sleeved on each of the mounting posts.

[0013] Preferably, the electromagnetic assembly comprises an electromagnet and an iron ring, the electromagnet is arranged on the turntable, the iron ring is arranged on the movable disk, and the electromagnet is used to attract the iron ring to drive the movable disk to move.

[0014] Preferably, a material box for storing paint is arranged on the workbench, a pipe body connected with the spray gun is arranged on the material box, and a pump body is arranged on the pipe body.

[0015] Preferably, the driving mechanism includes a servo motor, a driving bevel gear and a transmission bevel gear. The servo motor is arranged on the workbench. The servo motor is connected to the driving bevel gear in a transmission connection. The transmission bevel gear is connected to the bevel gear disk and is used to drive the bevel gear disk to rotate. The driving bevel gear is meshed with the transmission bevel gear.

[0016] Preferably, a sliding rod is provided on the adjustment frame, a sliding groove for movably installing the sliding rod is provided on the mounting seat, an abutment plate is provided on the sliding rod, an abutment portion for abutting the abutment plate is provided on the sliding groove, and the elastic member acts on the abutment plate to drive the abutment plate to abut on the abutment portion.

[0017] Preferably, the elastic member is a return spring, the return spring is arranged at the slide groove, and the return spring pushes the push plate to drive the push plate to abut against the abutment portion.

[0018] Preferably, the lifting mechanism is composed of a plurality of winches, and each of the winches is wound with a cable connected to the workbench.

[0019] Preferably, the fixing frame is composed of a plurality of steel frames connected by bolts.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] When working, first fix the fixing frame on the top of the chimney, and drive the workbench up and down through the lifting mechanism to drive several nozzles to move up and down to spray the inner wall of the chimney. Among them, the driving mechanism drives the bevel gear disk to rotate. When the connecting mechanism fixes the turntable and the workbench, the bevel gear disk drives several bevel gears to rotate. The screw holes on the bevel gears cooperate with the screw rods to drive the mounting seat to radially expand and contract relative to the turntable, that is, to adjust the distance between the nozzle and the inner wall of the chimney to adapt to chimneys of different sizes. Among them, the elastic member drives the universal wheel on the adjustment frame to abut against the inner wall of the chimney. The universal wheels are in contact with the inner wall of the chimney at multiple locations. On the one hand, it is beneficial to the stable lifting of the workbench. On the other hand, under the action of the elastic member, the adjustment frame can adaptively adjust the position of the nozzle according to the arc surface of the inner wall of the chimney to maintain the distance between the nozzle and the inner wall of the chimney, thereby ensuring the spraying effect. When the connecting mechanism fixes the turntable and the bevel gear disk, the bevel gear disk drives the turntable to rotate, thereby driving several nozzles to rotate and cooperate with the lifting process of the lifting mechanism to carry out comprehensive spraying on the inner wall of the chimney. It has the advantage of high automation, which reduces the labor cost while improving the spraying work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a structural schematic diagram of a fixing frame installed on a chimney in a certain embodiment of the present invention;

[0024] Figure 2 It is a structural schematic diagram of a certain embodiment of the present invention in a chimney;

[0025] Figure 3 A schematic diagram of the external structure of an embodiment of the present invention;

[0026] Figure 4 A schematic diagram of the internal structure of an embodiment of the present invention;

[0027] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0028] In the figure, 1-fixed frame; 11-lifting mechanism; 2-workbench; 21-first bevel tooth groove; 22-material box; 3-turntable; 31-mounting column; 4-mounting seat; 41-elastic member; 42-slide groove; 43-abutment part; 5-adjusting frame; 51-universal wheel; 52-spray gun; 53-slide rod; 54-abutment plate; 6-telescopic component; 61-bevel gear; 62-screw; 7-bevel gear plate; 71-second bevel tooth groove; 8-driving mechanism; 81-servo motor; 82-driving bevel gear; 83-transmission bevel gear; 9-connecting mechanism; 91-movable plate; 911-first bevel gear; 912-second bevel gear; 92-compression spring; 93-electromagnetic component; 931-electromagnet; 932-iron ring. DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0030] Embodiment 1:

[0031] Reference Figures 1 to 5 The present invention provides a cylindrical structure spraying device with a lifting function, comprising:

[0032] A fixed frame 1, which is installed on the top of the chimney. A lifting mechanism 11 is provided on the fixed frame 1. A cable for pulling an object is provided on the lifting mechanism 11. One end of the cable is connected to a workbench 2.

[0033] A turntable 3, the turntable 3 is rotatably mounted on the workbench 2, and a plurality of mounting seats 4 are arranged on the turntable 3 and move radially along the turntable 3;

[0034] An adjusting frame 5 is movably provided on each mounting seat 4, and a universal wheel 51 and a spray gun 52 for spraying paint are provided on the adjusting frame 5, and an elastic member 41 for driving the universal wheel 51 to abut against the inner wall of the chimney is provided on the mounting seat 4;

[0035] Telescopic assembly 6, each mounting seat 4 is provided with a telescopic assembly 6 for driving the mounting seat 4 to move, the telescopic assembly 6 comprises a bevel gear 61 and a screw 62, the screw 62 is connected to the mounting seat 4, the bevel gear 61 is rotatably mounted on the turntable 3, and the bevel gear 61 is provided with a screw hole that matches the screw 62;

[0036] A bevel gear disc 7 is rotatably mounted on the workbench 2 and meshes with a plurality of bevel gears 61 respectively. A driving mechanism 8 for driving the bevel gear disc 7 to rotate is provided on the workbench 2;

[0037] The connecting mechanism 9 is arranged on the turntable 3 and is used to drive the turntable 3 to be fixedly connected with the workbench 2 and the bevel gear disc 7 respectively.

[0038] When working, first fix the fixing frame 1 on the top of the chimney, and drive the workbench 2 up and down through the lifting mechanism 11 to drive several nozzles to move up and down to spray the inner wall of the chimney, wherein the driving mechanism 8 drives the bevel gear plate 7 to rotate, and when the connecting mechanism 9 fixes the turntable 3 and the workbench 2, the bevel gear plate 7 drives several bevel gears 61 to rotate, and the screw holes on the bevel gear 61 cooperate with the screw rod 62 to drive the mounting seat 4 to radially expand and contract relative to the turntable 3, that is, to adjust the distance between the nozzle and the inner wall of the chimney to adapt to chimneys of different sizes, wherein the elastic member 41 drives the universal wheel 51 on the adjusting frame 5 to contact the inner wall of the chimney The universal wheels 51 are connected to the inner wall of the chimney at multiple locations in the circumference, which is conducive to the stable lifting of the workbench 2 on the one hand. On the other hand, under the action of the elastic member 41, the adjustment frame 5 can adaptively adjust the position of the nozzle according to the arc surface of the inner wall of the chimney to keep the nozzle and the inner wall of the chimney at an inconvenient distance, thereby ensuring the spraying effect. When the connecting mechanism 9 fixes the turntable 3 and the bevel gear disk 7, the bevel gear disk 7 drives the turntable 3 to rotate, thereby driving a number of nozzles to rotate and cooperate with the lifting process of the lifting mechanism 11 to perform comprehensive spraying on the inner wall of the chimney, which has the advantage of high automation, reduces the labor cost and improves the efficiency of spraying. Among them, the present application can be applied not only to the chimney field but also to other cylindrical structures to achieve spraying protection work on cylindrical structures.

[0039] Embodiment 2:

[0040] Reference Figures 1 to 5 In combination with the technical solution of Example 1, in this embodiment, the connecting mechanism 9 includes a moving disk 91, a compression spring 92 and an electromagnetic assembly 93. The moving disk 91 is movably installed on the turntable 3 and the moving disk 91 rotates synchronously with the turntable 3. The moving disk 91 is provided with a first bevel gear 911 and a second bevel gear 912. The workbench 2 is provided with a first bevel tooth groove 21 that meshes with the first bevel gear 911. The bevel tooth disk 7 is provided with a second bevel tooth groove 71 that meshes with the second bevel gear 912. The compression spring 92 is used to push the moving disk 91 to drive the second bevel gear 912 to mesh with the second bevel gear 912 and drive the first bevel gear 911 away from the first bevel tooth groove 21. The electromagnetic assembly 93 is provided on the turntable 3. The electromagnetic assembly 93 is used to drive the moving disk 91 to move to drive the first bevel gear 911 to mesh with the first bevel tooth groove 21 and drive the second bevel gear 912 away from the second bevel tooth groove 71.

[0041] Specifically, a plurality of mounting posts 31 are arranged in a circular array on the turntable 3 , and the movable plate 91 is movably mounted on the plurality of mounting posts 31 . A compression spring 92 is sleeved on each mounting post 31 .

[0042] Specifically, the electromagnetic assembly 93 includes an electromagnet 931 and an iron ring 932 . The electromagnet 931 is disposed on the turntable 3 , and the iron ring 932 is disposed on the movable plate 91 . The electromagnet 931 is used to attract the iron ring 932 to drive the movable plate 91 to move.

[0043] Working principle:

[0044] The driving mechanism 8 drives the bevel gear disk 7 to rotate. When the electromagnet 931 is energized, the electromagnet 931 attracts the iron ring 932 to drive the movable disk 91 to move, the compression spring 92 is squeezed, the first bevel gear 911 is engaged with the first bevel tooth groove 21, and the second bevel gear 912 is away from the second bevel tooth groove 71. At this time, the turntable 3 is fixedly connected to the workbench 2, the bevel gear disk 7 rotates relative to the turntable 3 and drives the plurality of bevel gears 61 to rotate. The plurality of bevel gears 61 drive the mounting seat 4 to move through the screw 62 respectively to realize the radial position of the nozzle. After the radial position of the nozzle is adjusted, the electromagnet 931 is powered off, the compression spring 92 is reset and pushes the movable disk 91 to move, at which time the first bevel gear 911 is away from the first bevel tooth groove 21, and the second bevel gear 912 is engaged with the second bevel tooth groove 71, that is, the connection between the turntable 3 and the workbench 2 is released, and the turntable 3 is fixedly connected to the bevel tooth disk 7, and the bevel gear 61 can drive the turntable 3 to rotate relative to the workbench 2 to drive a plurality of nozzles to rotate circumferentially relative to the workbench 2, which is beneficial to the comprehensive spraying of the inner wall of the chimney.

[0045] Specifically, a material box 22 for storing paint is disposed on the workbench 2, a pipe body connected to the spray gun 52 is disposed on the material box 22, and a pump body is disposed on the pipe body.

[0046] Specifically, the driving mechanism 8 includes a servo motor 81, a driving bevel gear 8261 and a transmission bevel gear 8361. The servo motor 81 is arranged on the workbench 2. The servo motor 81 is connected to the driving bevel gear 8261 in transmission connection. The transmission bevel gear 8361 is connected to the bevel gear disk 7 and is used to drive the bevel gear disk 7 to rotate. The driving bevel gear 8261 is meshed with the transmission bevel gear 8361.

[0047] Embodiment 3:

[0048] Reference Figures 1 to 5Combining the technical solutions of Example 1 and Example 2, in this embodiment, a sliding rod 53 is provided on the adjustment frame 5, a sliding groove 42 for the sliding rod 53 to be movably installed is provided on the mounting seat 4, an abutment plate 54 is provided on the sliding rod 53, and an abutment portion 43 for the abutment plate 54 to abut is provided on the sliding groove 42, and the elastic member 41 acts on the abutment plate 54 to drive the abutment plate 54 to abut on the abutment portion 43.

[0049] Specifically, the elastic member 41 is a return spring, which is disposed at the slide groove 42 , and the return spring pushes the push plate to drive the push plate to abut against the abutting portion 43 .

[0050] The return spring drives the universal wheel 51 to elastically abut against the inner wall of the chimney by pushing the push plate on the slide rod 53, so that the adjustment frame 5 can adaptively adjust the position of the nozzle according to the change in the distance of the inner wall of the chimney, maintain the distance between the nozzle and the inner wall of the chimney, and facilitate the stable spraying work.

[0051] Specifically, the lifting mechanism 11 is composed of a plurality of winches, and each winch is wound with a cable connected to the workbench 2 .

[0052] Specifically, the fixing frame 1 is composed of a plurality of steel frames connected by bolts.

[0053] A certain number of steel frames can be selected and spliced ​​to form the fixing frame 1 according to the size of the chimney, so that the fixing frame 1 can span the upper end of the chimney. The fixing frame 1 can be installed on chimneys of different sizes to improve the universal performance of the entire device.

[0054] The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the above technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention belong to the protection scope of the present technical solution.

Claims

1. A cylindrical structure spraying device with lifting function, characterized in that: include: A fixed frame, the fixed frame is installed on the top of the chimney, the fixed frame is provided with a lifting mechanism, the lifting mechanism is provided with a cable for pulling an object, and one end of the cable is connected to a workbench; A turntable, the turntable is rotatably mounted on the workbench, and the turntable is provided with a plurality of mounting seats that move radially along the turntable; An adjusting frame, each of the mounting seats is movably provided with the adjusting frame, the adjusting frame is provided with a universal wheel and a spray gun for spraying paint, and the mounting seat is provided with an elastic member for driving the universal wheel to abut against the inner wall of the chimney; A telescopic assembly, each of the mounting seats is provided with the telescopic assembly for driving the mounting seat to move, the telescopic assembly comprises a bevel gear and a screw, the screw is connected to the mounting seat, the bevel gear is rotatably mounted on the turntable, and the bevel gear is provided with a screw hole that matches the screw; A bevel gear disc, which is rotatably mounted on the workbench and meshes with a plurality of the bevel gears respectively, and a driving mechanism for driving the bevel gear disc to rotate is provided on the workbench; A connecting mechanism is arranged on the turntable, and is used to drive the turntable to be fixedly connected to the workbench and the bevel gear disk respectively.

2. The cylindrical structure spraying device with lifting function according to claim 1 is characterized in that: The connecting mechanism includes a moving disk, a compression spring and an electromagnetic assembly. The moving disk is movably mounted on the turntable and the moving disk rotates synchronously with the turntable. The moving disk is provided with a first bevel gear and a second bevel gear. The workbench is provided with a first bevel tooth groove meshing with the first bevel gear. The bevel tooth disk is provided with a second bevel tooth groove meshing with the second bevel gear. The compression spring is used to push the moving disk to drive the second bevel gear to mesh with the second bevel gear and drive the first bevel gear away from the first bevel tooth groove. The electromagnetic assembly is arranged on the turntable, and the electromagnetic assembly is used to drive the moving disk to move to drive the first bevel gear to mesh with the first bevel tooth groove and drive the second bevel gear away from the second bevel tooth groove.

3. The cylindrical structure spraying device with lifting function according to claim 2 is characterized in that: A plurality of mounting posts are arranged in a circular array on the turntable, and the movable plate is movably mounted on the plurality of mounting posts, and the compression spring is sleeved on each of the mounting posts.

4. The cylindrical structure spraying device with lifting function according to claim 2 is characterized in that: The electromagnetic assembly comprises an electromagnet and an iron ring. The electromagnet is arranged on the turntable, and the iron ring is arranged on the moving disk. The electromagnet is used to attract the iron ring to drive the moving disk to move.

5. The cylindrical structure spraying device with lifting function according to claim 1 is characterized in that: A material box for storing paint is arranged on the workbench, a pipe body connected with the spray gun is arranged on the material box, and a pump body is arranged on the pipe body.

6. The cylindrical structure spraying device with lifting function according to claim 1 is characterized in that: The driving mechanism includes a servo motor, a driving bevel gear and a transmission bevel gear. The servo motor is arranged on the workbench. The servo motor is connected to the driving bevel gear in a transmission manner. The transmission bevel gear is connected to the bevel gear disk and is used to drive the bevel gear disk to rotate. The driving bevel gear is meshed with the transmission bevel gear.

7. The cylindrical structure spraying device with lifting function according to claim 1 is characterized in that: The adjusting frame is provided with a sliding rod, the mounting seat is provided with a sliding groove for the sliding rod to be movably mounted, the sliding rod is provided with an abutment plate, the sliding groove is provided with an abutment portion for the abutment plate to abut, and the elastic member acts on the abutment plate to drive the abutment plate to abut on the abutment portion.

8. The cylindrical structure spraying device with lifting function according to claim 7 is characterized in that: The elastic member is a return spring, and the return spring is arranged at the slide groove. The return spring pushes the push plate to drive the push plate to abut against the abutting portion.

9. The cylindrical structure spraying device with lifting function according to claim 1 is characterized in that: The lifting mechanism is composed of a plurality of winches, and each of the winches is wound with a cable connected to the workbench.

10. The cylindrical structure spraying device with lifting function according to claim 1, characterized in that: The fixing frame is composed of a plurality of steel frames connected by bolts.

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