CN217512141U - Automatic spraying mechanism applied to large lining steel pipe - Google Patents

Automatic spraying mechanism applied to large lining steel pipe Download PDF

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Publication number
CN217512141U
CN217512141U CN202221336358.8U CN202221336358U CN217512141U CN 217512141 U CN217512141 U CN 217512141U CN 202221336358 U CN202221336358 U CN 202221336358U CN 217512141 U CN217512141 U CN 217512141U
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China
Prior art keywords
steel pipe
lining steel
roller
automatic spraying
spraying
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CN202221336358.8U
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Chinese (zh)
Inventor
柳志
吴海宏
江柱
凌家楚
李世增
胡锐
黎悦祥
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Guangdong Yue Hydropower Equipment Group Co ltd
Guangdong No 2 Hydropower Engineering Co Ltd
Original Assignee
Guangzhou Jinfeng Industry Co ltd
Guangdong No 2 Hydropower Engineering Co Ltd
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Abstract

The utility model discloses an automatic spraying mechanism applied to large-scale lining steel pipes, which comprises at least two roller frames and a spraying device; the roller frames are arranged at intervals to support the lining steel pipe; the roller frame comprises a base and two roller assemblies, the two roller assemblies are arranged on the base at intervals, and the two roller assemblies are abutted against the lining steel pipe and can drive the lining steel pipe to rotate along the axis of the lining steel pipe; the spraying device comprises a box body, a spray head, a sliding piece and a second driving mechanism, wherein the spray head is arranged on the top surface of the box body, the sliding piece is arranged on the bottom surface of the box body, the second driving mechanism is arranged in the box body and is in driving connection with the sliding piece, and the second driving mechanism drives the sliding piece to move so that the spray head moves along the axial direction of the lining steel pipe to perform anticorrosive spraying on the lining steel pipe. The utility model discloses realize the automation of the anticorrosive spraying operation of inside lining steel pipe, reduce artifical input and can guarantee the quality of spraying.

Description

Automatic spraying mechanism applied to large lining steel pipe
Technical Field
The utility model relates to an anticorrosive spraying technical field of steel pipe specifically is a be applied to automatic spraying mechanism of large-scale inside lining steel pipe.
Background
The outer diameter of the large-diameter lining steel pipe for hydraulic engineering can approach 5 meters, and stiffening rings need to be welded on the outer side of the large-diameter lining steel pipe for improving the rigidity of the steel pipe. Because the engineering design has long service life, the durability problem of the water delivery system is integrally considered from the engineering system, including the internal and external corrosion resistance of the lining steel pipe of the water delivery tunnel, and the single conventional protective measures such as paint and the like are difficult to meet the requirement of the service life.
After the large-diameter liner steel pipe structure for hydraulic engineering is manufactured, the outer wall of the large-diameter liner steel pipe structure needs to be subjected to anticorrosive spraying. Considering that the large-diameter lining steel pipe is long in length and large in spraying area, the conventional manual spraying mode takes labor and time; the spraying area is small each time, the spraying position needs to be changed continuously, and the uniform speed of the manual moving speed is difficult, so that the problem of uneven spraying layer is caused; meanwhile, the anticorrosive paint can cause damage to people, safety can be guaranteed only by wearing the armour, but the problem of inconvenient operation can be caused by wearing the armour, and the problem of uneven spraying is further caused. With the increasing competition of the industry, the problems of improving the productivity and reducing the cost are urgently to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's weak point, provide an automatic spraying mechanism for large-scale inside lining steel pipe, automatic spraying mechanism realizes the automation of the anticorrosive spraying operation of inside lining steel pipe, reduces artifical input and can guarantee the quality of spraying.
The utility model provides a following technical scheme:
an automatic spraying mechanism applied to large-scale lining steel pipes comprises:
the roller frames are arranged at intervals to support the lining steel pipe; the roller frame comprises a base and two roller assemblies, the two roller assemblies are arranged on the base at intervals, and the two roller assemblies are abutted against the lining steel pipe and can drive the lining steel pipe to rotate along the axis of the lining steel pipe;
the spraying device comprises a box body, a sprayer, a sliding piece and a second driving mechanism, wherein the sprayer is arranged on the top surface of the box body, the sliding piece is arranged on the bottom surface of the box body, the second driving mechanism is arranged in the box body and is in driving connection with the sliding piece, and the second driving mechanism drives the sliding piece to move so that the sprayer moves along the axial direction of the lining steel pipe to perform anticorrosive spraying on the lining steel pipe.
In a preferred scheme, the base comprises a supporting frame and two supporting wheel assemblies, and the two supporting wheel assemblies are arranged at intervals and fixed on the bottom surface of the supporting frame.
Further, the supporting wheel assembly comprises a first pulley and a locking piece, the first pulley and the locking piece are arranged on the bottom surface of the base, and the locking piece can lock the first pulley.
In a preferable scheme, the roller assembly comprises a fixed frame, a roller and a first driving mechanism, the fixed frame is fixed on the top surface of the base, the roller is rotatably arranged on the fixed frame, the first driving mechanism is fixed on the fixed frame and is in driving connection with the roller, and the first driving mechanism can drive the roller to rotate so as to drive the lining steel pipe to rotate.
In a preferred scheme, the spraying device further comprises a vertical rod and a connecting rod, the vertical rod is fixed on the box body, and the connecting rod is rotatably arranged on the vertical rod; the number of the spray heads is multiple, and the spray heads are arranged on the connecting rod at intervals.
Furthermore, the connecting rod is bent into an arc shape towards the direction of the lining steel pipe, and the circle center of the arc line of the connecting rod is positioned on the axis of the lining steel pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
equally dividing the outer wall of the lining steel pipe into a plurality of processing cambered surfaces from the axial direction of the lining steel pipe; the spraying device moves from one end of the lining steel pipe to the other end at a uniform speed so as to perform anticorrosive spraying on a processing cambered surface of the lining steel pipe; the roller frame drives the lining steel pipe to rotate, so that a plurality of processing cambered surfaces of the lining steel pipe are sequentially turned to the spraying device; the spraying device moves back and forth at the two ends of the lining steel pipe, and performs anticorrosive spraying on a plurality of processing cambered surfaces of the lining steel pipe one by one to finish the anticorrosive spraying work of the outer wall of the lining steel pipe; therefore, the automation of the anticorrosion spraying operation of the lining steel pipe is realized by the cooperation of the roller carrier and the spraying device, the manual investment is reduced, and the spraying quality can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a front view of an automatic coating mechanism of the present invention;
FIG. 2 is a side view of the automatic spraying mechanism of the present invention;
fig. 3 is a front view of the middle roller frame of the present invention;
fig. 4 is a side view of the middle roller frame of the present invention;
FIG. 5 is a front view of the spray coating device and the glide track of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
the reference numbers illustrate:
1-a roller frame; 11-a base; 111-a support frame; 112-a support wheel assembly; 12-a roller assembly; 121-a fixing frame; 122-a roller;
2-a spraying device; 21-a box body; 22-a slide; 23-a vertical rod; 24-a connecting rod; 25-a spray head;
3-sliding rail; 31-upright post; 32-a slide; 321-an abutment; 322-a limiting part;
Detailed Description
For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are only some of the described embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Examples
As shown in fig. 1-2, the present embodiment provides an automatic spraying mechanism applied to a large-sized lining steel pipe, which is used for performing an anticorrosive operation of anticorrosive spraying on an outer wall of a large-diameter lining steel pipe, and the automatic spraying mechanism includes: a plurality of roller frames 1 and a spraying device 2; the roller frames 1 are arranged at intervals and used for supporting the bottom ends of the lining steel pipes, and the roller frames 1 can drive the lining steel pipes to rotate along the axes of the lining steel pipes; the spraying device 2 is arranged on one side of the lining steel pipe and can move along the axis direction of the lining steel pipe so as to perform anticorrosive spraying on the outer wall of the lining steel pipe.
Equally dividing the outer wall of the lining steel pipe into a plurality of processing cambered surfaces from the axial direction of the lining steel pipe; the spraying device 2 moves from one end of the lining steel pipe to the other end at a uniform speed so as to perform anticorrosive spraying on one machined cambered surface of the lining steel pipe; the roller frame 1 drives the lining steel pipe to rotate, so that a plurality of processing cambered surfaces of the lining steel pipe are sequentially turned to the spraying device 2; the spraying device 2 moves back and forth at the two ends of the lining steel pipe, and carries out anticorrosive spraying on a plurality of processing cambered surfaces of the lining steel pipe one by one so as to finish the anticorrosive spraying work of the outer wall of the lining steel pipe; therefore, the roller carrier 1 and the spraying device 2 are matched to realize automation of anticorrosive spraying operation of the lining steel pipe, manual investment is reduced, and spraying quality can be guaranteed.
As shown in fig. 3-4, in the present embodiment, two roller frames 1 are provided, and the two roller frames 1 respectively support two ends of the lining steel pipe; the number of the roller frames 1 can be set according to the length of the lining steel pipe, and the lining steel pipe is supported by arranging the roller frames at intervals; each roller frame 1 comprises a base 11 and two roller assemblies 12; the two roller assemblies 12 are spaced and arranged on the top surface of the base 11, the two roller assemblies 12 are respectively abutted against two sides of the bottom of the lining steel pipe, and the abutted positions of the two roller assemblies 12 and the lining steel pipe are positioned in the same processing arc surface; the roller assembly 12 may drive the liner steel tube in rotation along its axis.
As shown in fig. 3-4, further, the base 11 includes a support frame 111 and two support wheel assemblies 112; the two supporting wheel assemblies 112 are arranged at intervals and fixed on the bottom surface of the supporting frame 111, and the supporting wheel assemblies 112 are used for adjusting the position of the base 11; the supporting wheel assembly 112 comprises a first pulley and a locking member, the first pulley and the locking member are arranged on the bottom surface of the base 11, and the locking member can lock the first pulley; specifically, the roller frame 1 adjusts the arrangement position of the roller frame through the first pulley, after the arrangement of the roller frame 1 is completed, the first pulley is locked through the locking piece, the roller frame 1 is fixedly parked, and then the lining steel pipe is placed on the roller frame 1; therefore, the roller frame 1 can adapt to lining steel pipes with different lengths, and the universality of the roller frame 1 and the stability of supporting the lining steel pipes are improved;
as shown in fig. 3-4, further, each of the roller assemblies 12 includes a fixing frame 121, a roller 122 and a first driving mechanism; the fixing frame 121 is fixed on one side of the top surface of the supporting frame 111; the roller 122 abuts against the lining steel pipe, the outer wall surface of the roller 122 is a rough surface, the roller is rotatably arranged on the fixing frame 121 and can rotate along the axis of the fixing frame, and the axis of the roller 122 is parallel to the axis of the lining steel pipe; the first driving mechanism is a motor, is fixed on the fixing frame 121 and is located in the roller 122, and is in driving connection with the roller 122, and the first driving mechanism can drive the roller 122 to rotate; specifically, the first driving mechanisms of the two roller assemblies 12 drive the rollers 122 to rotate synchronously, and under the action of friction force, the rollers 122 drive the lining steel pipe to rotate along the axis thereof, so that a plurality of processing arc surfaces of the lining steel pipe can be sequentially turned to the spraying device 2; in addition, from the perspective of the spraying device 2 facing the lining steel pipe, the lining steel pipe rotates upwards, so that the situation that the anticorrosive material which is just sprayed on the lining steel pipe and is not solidified is contacted with the roller assembly 12 to damage the anticorrosive paint, and further the spraying quality is influenced can be avoided; before the last machined arc surface is machined, the roller carrier 1 can drive the lining steel pipe to rotate after the anticorrosive material of the first machined arc surface is required to be solidified.
As shown in fig. 5, in the present embodiment, the spraying device 2 includes a box 21, a sliding member 22, a vertical rod 23, a connecting rod 24, two spray heads 25 and a second driving mechanism; slider 22 is fixed the box 21 bottom surface, the bottom mounting of montant 23 the top surface of box 21, the connecting rod 24 pin joint is in the top of montant 23, two shower nozzle 25 is arranged at the interval, and movable mounting is in on the connecting rod 24, second actuating mechanism sets up in the box 21, second actuating mechanism with slider 22 drive links to each other, through the second actuating mechanism drive slider 22 removes along the axis direction of inside lining steel pipe, shower nozzle 25 carries out anticorrosive spraying to the processing cambered surface of inside lining steel pipe.
As shown in fig. 5, further, the connecting rod 24 is a cylindrical rod body, the connecting rod 24 is bent towards the inner lining steel pipe into an arc shape, and the center of the arc line is located on the axis of the steel pipe; therefore, the anti-corrosion coating can be uniformly sprayed on the outer wall of the lining steel pipe at the bottom in a manner of adapting to the shape of the lining steel pipe.
Furthermore, the second driving mechanism is a speed regulating motor, and can adjust the moving speed of the anti-corrosion material according to different properties of the anti-corrosion material, and drive the sliding part 22 to move at a uniform speed, so that the spraying quality is ensured.
Further, the box body 21 forms a protective cover outside the second driving mechanism to prevent the anticorrosive paint sprayed from the spray head 25 from flying onto the second driving mechanism, so as to protect the second driving mechanism from being damaged and ensure that the second driving mechanism can stably work.
In this embodiment, the spraying device 2 further includes a feeding device (not shown) and a high pressure hose (not shown), the feeding device (not shown) is disposed on one side of the lining steel pipe, one end of the high pressure hose (not shown) is connected to the feeding device (not shown), and the other end is connected to the nozzle 25; the length of the high-pressure hose (not shown) is greater than that of the lining steel pipe, so that the feeding device (not shown) is placed beside the lining steel pipe and does not need to move; the anticorrosive paint is cement sand, and the feeding device (not shown) supplies the cement sand to the spray head 25 through the high-pressure hose (not shown); and the cement sand is sprayed on the processing arc surface of the lining steel pipe through the spray nozzle 25.
As shown in fig. 5, in the present embodiment, the automatic spraying device 2 further includes a sliding rail 3, the sliding rail 3 is located on one side of the lining steel pipe, the sliding rail 3 is arranged along the extending direction of the axis of the lining steel pipe, and the spraying device 2 is slidably arranged on the sliding rail 3; the sliding rail 3 comprises a pair of slide way 32 assemblies, the two slide way 32 assemblies are arranged at intervals and symmetrically, each slide way 32 assembly comprises a plurality of upright posts 31 and slide ways 32, the upright posts 31 are arranged at intervals along the axial direction of the lining steel pipe, and the extension direction of the slide ways 32 is the same as the axial direction of the lining steel pipe and is fixed on the upright posts 31; through the sliding fit of the spraying device 2 and the sliding rail 3, the spraying device 2 is more stable in the moving process, so that the spraying quality is ensured, and the reliability of the equipment is improved.
As shown in fig. 6, further, the sliding member 22 is two sets of second pulleys, and the two sets of second pulleys are respectively fixed on two sides of the bottom surface of the box 21; the slide 32 includes an abutting portion 321 and a limiting portion 322; the contact portion 321 is fixed to the column 31, and the second pulley is in contact with the contact portion 321 and slides on the contact portion 321; spacing portion 322 is fixed one side of butt portion 321 to be located the one side that is close to another slide 32 subassembly, spacing portion 322 butt one side of second pulley makes and places the second pulley derails and drops, guarantees the second pulley can be steadily slided on the slide 32.
The working process of the automatic spraying mechanism is as follows:
1. equally dividing the outer wall of the lining steel pipe into a plurality of processing arc surfaces according to the diameter size of the lining steel pipe;
2. the spray head 25 of the spraying device 2 is aligned with one side of the outer wall of the lining steel pipe, so that one processing cambered surface of the lining steel pipe faces the spraying device 2 and is positioned in a spraying coverage area of the spraying device 2;
3. the second driving mechanism drives the sliding part 22 to move, so that the spraying device 2 is sprayed from one end of the lining steel pipe to the other end of the lining steel pipe, and the anticorrosion spraying operation is performed on a machined cambered surface;
4. the roller carrier 1 drives the lining steel pipe to rotate, and the next machined cambered surface is turned to the spraying device 2;
5. according to the circulation operation of the steps 4 and 5, before the last machined arc surface rotates, the anticorrosive material on the first machined arc surface needs to be cured, and then the lining steel pipe is driven to rotate;
6. and the spraying device 2 sprays the last machined cambered surface, and after the anticorrosive material is solidified, the anticorrosive spraying work of the outer wall of the lining steel pipe is finished.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides an automatic spraying mechanism for large-scale inside lining steel pipe which characterized in that includes:
the roller frames are arranged at intervals to support the lining steel pipe; the roller frame comprises a base and two roller assemblies, the two roller assemblies are arranged on the base at intervals, and the two roller assemblies are abutted against the lining steel pipe and can drive the lining steel pipe to rotate along the axis of the lining steel pipe;
the spraying device comprises a box body, a spray head, a sliding piece and a second driving mechanism, wherein the spray head is arranged on the top surface of the box body, the sliding piece is arranged on the bottom surface of the box body, the second driving mechanism is arranged in the box body and is in driving connection with the sliding piece, and the second driving mechanism drives the sliding piece to move so that the spray head moves along the axial direction of the lining steel pipe to perform anticorrosive spraying on the lining steel pipe.
2. The automatic spraying mechanism applied to the large-sized lining steel pipe as claimed in claim 1, wherein the base comprises a supporting frame and two supporting wheel assemblies, and the two supporting wheel assemblies are arranged at intervals and fixed on the bottom surface of the supporting frame.
3. The automatic spraying mechanism for large-sized lining steel pipes as claimed in claim 2, wherein the supporting wheel assembly comprises a first pulley and a locking member, the first pulley and the locking member are arranged on the bottom surface of the base, and the locking member can lock the first pulley.
4. The automatic spraying mechanism applied to the large-sized lining steel pipe as claimed in claim 1, wherein the roller assembly comprises a fixing frame, a roller and a first driving mechanism, the fixing frame is fixed on the top surface of the base, the roller is rotatably disposed on the fixing frame, the first driving mechanism is fixed on the fixing frame and is drivingly connected with the roller, and the first driving mechanism can drive the roller to rotate so as to drive the lining steel pipe to rotate.
5. The automatic spraying mechanism applied to the large-sized lining steel pipe as claimed in claim 1, wherein the spraying device further comprises a vertical rod and a connecting rod, the vertical rod is fixed on the box body, and the connecting rod is rotatably arranged on the vertical rod; the shower nozzle quantity is a plurality of, and a plurality of shower nozzle interval sets up on the connecting rod.
6. The automatic spraying mechanism applied to the large-sized lining steel pipe as claimed in claim 5, wherein the connecting rod is bent into a circular arc shape towards the lining steel pipe, and the center of the arc line is located on the axis of the lining steel pipe.
7. The automatic spraying mechanism applied to the large-sized lining steel pipe as claimed in any one of claims 1 to 6, further comprising a sliding rail, wherein the sliding rail is positioned on one side of the lining steel pipe, and the extending direction of the sliding rail and the extending direction of the axis of the lining steel pipe are the same; the spraying device is arranged on the sliding rail in a sliding mode through the sliding piece.
8. The automatic spraying mechanism applied to the large-sized lining steel pipe as claimed in claim 7, wherein the sliding rail comprises a plurality of columns and slideways, the columns are arranged at intervals, and the slideways are fixed on the columns.
9. The automatic spraying mechanism applied to the large-sized lining steel pipe as claimed in claim 8, wherein the slideway comprises an abutting part and a limiting part, the abutting part is fixed on the upright post, and the limiting part is fixed on the abutting part.
CN202221336358.8U 2022-05-31 2022-05-31 Automatic spraying mechanism applied to large lining steel pipe Active CN217512141U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221336358.8U CN217512141U (en) 2022-05-31 2022-05-31 Automatic spraying mechanism applied to large lining steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221336358.8U CN217512141U (en) 2022-05-31 2022-05-31 Automatic spraying mechanism applied to large lining steel pipe

Publications (1)

Publication Number Publication Date
CN217512141U true CN217512141U (en) 2022-09-30

Family

ID=83390330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221336358.8U Active CN217512141U (en) 2022-05-31 2022-05-31 Automatic spraying mechanism applied to large lining steel pipe

Country Status (1)

Country Link
CN (1) CN217512141U (en)

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GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: No. 18 Xiangshan Avenue, Ningxi Street, Zengcheng District, Guangzhou City, Guangdong Province, 511340

Patentee after: Guangdong Yue Hydropower Equipment Group Co.,Ltd.

Patentee after: GUANGDONG NO. 2 HYDROPOWER ENGINEERING Co.,Ltd.

Address before: No.13, Xinguang Road, Yongning Street, Zengcheng District, Guangzhou City, Guangdong Province

Patentee before: GUANGZHOU JINFENG INDUSTRY Co.,Ltd.

Patentee before: GUANGDONG NO. 2 HYDROPOWER ENGINEERING Co.,Ltd.

CP03 Change of name, title or address