Anti-corrosion spraying device for inner wall of hydraulic pressure steel pipe
By designing moving and supporting components, the problem of inconvenient nozzle movement in steel pipe inner wall anti-corrosion spraying equipment was solved, enabling the increase of spraying distance and the acceleration of construction progress, reducing labor costs, and ensuring the uniformity and stability of spraying.
Patent Information
- Application Number
- CN202511200091.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-26
- Publication Date
- 2025-11-07
AI Technical Summary
Existing anti-corrosion spraying equipment for steel pipes is not convenient for moving the spray head inside the steel pipe, resulting in a reduced spraying distance, limiting equipment efficiency, and increasing construction progress and labor costs.
A corrosion-resistant spraying device for the inner wall of hydraulic pressure steel pipe was designed. By setting up a moving part and a supporting part, a synchronous wheel and a rubber wheel driven by a motor are used to move inside the steel pipe. Combined with a spraying component and a buffer component, the device achieves stable movement of the nozzle and uniform spraying.
It improved equipment efficiency, reduced construction time and labor costs, and ensured the uniformity and stability of spraying.
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Figure CN120900855A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of spraying equipment, in particular to a water conservancy pressure steel pipe inner wall anticorrosion spraying device. BACKGROUND
[0002] The water conservancy pressure steel pipe is a key pipeline for conveying high-pressure water flow, is usually made of steel, has high strength and corrosion resistance, is commonly used in hydropower stations, and is used for guiding reservoir water flow into a water turbine for power generation, and needs to consider water pressure, flow and geological conditions in design, and needs to be regularly maintained after installation to ensure safe and efficient water transportation, and is an important component of water conservancy and hydropower engineering, and in order to enable the steel pipe to have high corrosion resistance, the inner wall of the steel pipe needs to be subjected to anticorrosion spraying treatment, so that the anticorrosion spraying equipment needs to be used for processing.
[0003] However, the existing steel pipe inner wall anticorrosion spraying equipment is inconvenient to drive the spray head to move in the steel pipe during use, which reduces the spraying distance, greatly limits the working efficiency of the equipment, causes slow construction progress, and also makes the anticorrosion treatment of long-distance steel pipes need to frequently disassemble and assemble the equipment, thereby increasing the labor cost and time cost. SUMMARY
[0004] The technical problem to be solved by the application is to provide a water conservancy pressure steel pipe inner wall anticorrosion spraying device, which solves the problem that the existing steel pipe inner wall anticorrosion spraying equipment is inconvenient to drive the spray head to move in the steel pipe during use, which reduces the spraying distance, greatly limits the working efficiency of the equipment, causes slow construction progress, and also makes the anticorrosion treatment of long-distance steel pipes need to frequently disassemble and assemble the equipment, thereby increasing the labor cost and time cost.
[0005] The technical scheme adopted by the application to solve the technical problem is that a water conservancy pressure steel pipe inner wall anticorrosion spraying device comprises a steel pipe, and further comprises: a moving part arranged in the steel pipe; and four support parts arranged in the steel pipe, wherein the four support parts are arranged in a circumferential array, and the sides of the four support parts away from each other are in contact with the steel pipe.
[0006] Further, the moving part comprises a spraying assembly arranged in the steel pipe, and a moving assembly arranged in the steel pipe, wherein the moving assembly is arranged on the right side of the spraying assembly.
[0007] Further, the support part comprises a translation assembly installed in the steel pipe, and a buffer assembly arranged in the steel pipe, wherein the buffer assembly is arranged in the translation assembly.
[0008] Further, the spraying assembly comprises a support I arranged in the steel pipe, an inner wall of the support I is fixedly connected with a water pump, a top of the support I is fixedly connected with a water pipe, and a left side of the support I is fixedly connected with a spraying piece; a left side of the water pipe is in communication with the water pump, the spraying piece comprises a connecting pipe fixedly connected to the inner wall of the support I, a left side of the connecting pipe is rotatably connected with a connecting kettle, an outer wall of the connecting kettle is in communication with a plurality of spray heads, and an inner wall of the connecting pipe is fixedly connected with two cross plates, inner walls of the two cross plates are rotatably connected with a rotating shaft I, and an outer wall of the rotating shaft I is fixedly connected with helical blades; a right side of the connecting pipe is in communication with the water pump, a left side of the rotating shaft I is fixedly connected with the connecting kettle, and the rotating shaft I penetrates through the two cross plates and the helical blades.
[0009] Further, the moving assembly comprises a motor fixedly connected to the inner wall of the support I, a rotating shaft II is rotatably connected to the inner wall of the support I, a rotating shaft III is rotatably connected to the inner wall of the support I, a transmission piece is arranged on the rotating shaft III, and an outer wall of the rotating shaft III is fixedly connected with a rubber wheel I; the output shaft of the motor is fixedly connected with the rotating shaft II through a shaft coupling, the rotating shaft II penetrates through the support I, the rotating shaft III penetrates through the support I, the rotating shaft III penetrates through the rubber wheel I, the outer wall of the rubber wheel I is in contact with the inner wall of the steel pipe, the transmission piece comprises two synchronous wheels arranged on the front side of the support I, a synchronous belt is sleeved on the two synchronous wheels, and the synchronous belt is matched with the two synchronous wheels; the rotating shaft II penetrates through the upper synchronous wheel, the outer wall of the rotating shaft II is fixedly connected with the upper synchronous wheel, the rotating shaft III penetrates through the lower synchronous wheel, the outer wall of the rotating shaft III is fixedly connected with the lower synchronous wheel, the motor drives the rotating shaft II to rotate, the transmission piece composed of the synchronous wheels and the synchronous belt drives the rotating shaft III to rotate, and the rubber wheel I rolls on the inner wall of the steel pipe, so as to drive the spraying assembly to move in the steel pipe.
[0010] Further, the translation assembly comprises a support II fixedly connected to the outer wall of the support I, an inner wall of the support II is slidably connected with a slide rod I, and a rotating piece is arranged on the slide rod I; a side of the slide rod I away from the support I extends to the outside of the support II, the rotating piece comprises a support III fixedly connected to the side of the slide rod I away from the support II, and an inner wall of the support III is rotatably connected with a rubber wheel II; the rubber wheel II is in contact with the inner wall of the steel pipe, the slide rod I on the support II is slidable, the rubber wheel II on the support III at the end is in contact with the inner wall of the steel pipe, the spraying assembly can translate along the inner wall of the steel pipe in the moving process, and the spraying position is adjusted.
[0011] Further, the buffer assembly comprises two sliding rods two fixedly connected to the inner wall of the bracket two, the inner wall of the bracket two is slidingly connected with a sliding block, and the outer walls of the two sliding rods two are both sleeved with springs; wherein the side of the sliding rod one close to the sliding block is fixedly connected with the sliding block, the two sliding rods two both penetrate through the sliding block, the sides of the two springs close to the sliding block are both fixedly connected with the sliding block, the sides of the two springs away from the sliding block are both fixedly connected with the bracket two, and the buffer structure composed of the sliding rod two and the spring plays a buffering role through compression and expansion of the spring when the sliding block drives the sliding rod one to move, reduces vibration when the spraying assembly moves, and guarantees stability of spraying operation.
[0012] The present application has the advantages that the defects in the background art are solved, 1. By setting the moving part, the moving part can be sent into the steel pipe, then the motor can be started to drive the output shaft to rotate the second rotating shaft, thereby driving the third rotating shaft to rotate under the action of the two synchronous wheels and the synchronous belt, thereby driving the rubber wheel one to rotate and moving the moving part on the inner wall of the steel pipe. In this process, the water pump can be started to drive the anticorrosive liquid into the connecting pipe through the water pipe. At this time, under the action of the water pump, the anticorrosive liquid will impact the spiral blade to make it rotate, thereby driving the first rotating shaft to rotate. At this time, the connecting kettle and the spray head will also be driven by the first rotating shaft, and the anticorrosive liquid will eventually be sprayed from the spray head through the connecting kettle, thereby spraying the inner wall of the steel pipe 101. The spray head can be moved in the steel pipe, increasing the spraying distance. At the same time, the rotating spray head also makes the spraying more uniform. This not only greatly improves the working efficiency of the equipment and speeds up the construction progress, but also reduces the labor cost and time cost without frequent disassembly and assembly of the equipment. 2. By setting the support part, when the moving part is sent into the steel pipe, a plurality of brackets three can be extruded towards the bracket two, thereby driving the sliding block to move towards the bracket one through the sliding rod one. At this time, under the action of the two sliding rods two, pressure will be applied to the two springs to make them elastically deform and generate elastic force. At this time, under the action of the spring elastic force, the moving part will remain stable during operation, and the moving part can be supported on the steel pipe to avoid vibration of the moving part in the steel pipe to make the spray head shake, thereby ensuring the uniformity and stability of the spraying. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a front side sectional view structure schematic diagram of the present application. Figure 2 It is a local sectional view structure schematic diagram of the spraying assembly of the present application. Figure 3 It is an overall structure schematic diagram of the spiral blade of the present application. Figure 4 It is an overall structure schematic diagram of the synchronous belt of the present application. Figure 5 It is an overall structure schematic diagram of the support part of the present application. Figure 6 For the present application Figure 5 Amplification structure diagram of A in the application.
[0014] In the drawings, the components represented by each reference numeral are listed as follows: 101, steel pipe; 2, moving part; 21, spraying assembly; 211, support one; 212, water pump; 213, water pipe; 214, connecting pipe; 215, connecting kettle; 216, spray head; 217, cross plate; 218, shaft one; 219, spiral blade; 22, moving assembly; 221, motor; 222, shaft two; 223, shaft three; 224, synchronous wheel; 225, synchronous belt; 226, rubber wheel one; 3, support part; 31, translation assembly; 311, support two; 312, slide rod one; 313, support three; 314, rubber wheel two; 32, buffer assembly; 321, slide rod two; 322, slide block; 323, spring. DETAILED DESCRIPTION
[0015] The application will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only schematically show the basic structure of the application, and thus only show the components relevant to the application.
[0016] Please refer to Figures 1-6 As shown in the drawings, a water conservancy pressure steel pipe inner wall corrosion prevention spraying device includes a steel pipe 101, further includes: a moving part 2, the moving part 2 is arranged in the steel pipe 101; and a support part 3, the support part 3 is provided with four, four support parts 3 are all arranged in the steel pipe 101; wherein, four support parts 3 are arranged in a circle, and the side away from each other of four support parts 3 are all in contact with the steel pipe 101.
[0017] The moving part 2 comprises a spraying assembly 21 arranged in the steel pipe 101 and a moving assembly 22 arranged in the steel pipe 101, wherein the moving assembly 22 is arranged at the right side of the spraying assembly 21, the spraying assembly 21 comprises a support I 211 arranged in the steel pipe 101, the inner wall of the support I 211 is fixedly connected with a water pump 212, the top of the support I 211 is fixedly connected with a water pipe 213, and the left side of the support I 211 is fixedly connected with a spraying piece; wherein the left side of the water pipe 213 is communicated with the water pump 212, the spraying piece comprises a connecting pipe 214 fixedly connected to the inner wall of the support I 211, the left side of the connecting pipe 214 is rotatably connected with a connecting kettle 215, the outer wall of the connecting kettle 215 is communicated with a plurality of spray heads 216, the inner wall of the connecting pipe 214 is fixedly connected with two cross plates 217, the inner wall of the two cross plates 217 is rotatably connected with a rotating shaft I 218, and the outer wall of the rotating shaft I 218 is fixedly connected with a spiral blade 219; wherein the right side of the connecting pipe 214 is communicated with the water pump 212, the left side of the rotating shaft I 218 is fixedly connected with the connecting kettle 215, the rotating shaft I 218 penetrates through the two cross plates 217 and the spiral blade 219, the moving assembly 22 comprises a motor 221 fixedly connected to the inner wall of the support I 211, the inner wall of the support I 211 is rotatably connected with a rotating shaft II 222, the inner wall of the support I 211 is rotatably connected with a rotating shaft III 223, the rotating shaft III 223 is provided with a transmission piece, and the outer wall of the rotating shaft III 223 is fixedly connected with a rubber wheel I 226; wherein the rotating shaft II 222 penetrates through the support I 211, the output shaft of the motor 221 is fixedly connected with the rotating shaft II 222 through a shaft coupling, the rotating shaft II 222 penetrates through the support I 211, the rotating shaft III 223 penetrates through the support I 211, the rotating shaft III 223 penetrates through the rubber wheel I 226, the outer wall of the rubber wheel I 226 is in contact with the steel pipe 101, and the transmission piece comprises two synchronous wheels 224 arranged on the front side of the support I 211, a synchronous belt 225 is sleeved on the two synchronous wheels 224, and the synchronous belt 225 is matched with the two synchronous wheels 224; wherein the rotating shaft II 222 penetrates through the upper synchronous wheel 224, the outer wall of the rotating shaft II 222 is fixedly connected with the upper synchronous wheel 224, the rotating shaft III 223 penetrates through the lower synchronous wheel 224, and the outer wall of the rotating shaft III 223 is fixedly connected with the lower synchronous wheel 224, by arranging the moving part 2, the spray head can be driven to move in the steel pipe 101, the spraying distance is increased, meanwhile, the rotating spray head 216 can also make the spraying more uniform, which not only greatly improves the working efficiency of the equipment and speeds up the construction progress, but also reduces the labor cost and time cost without frequent disassembly and assembly of the equipment.
[0018] The support part 3 comprises a translation assembly 31 installed in the steel pipe 101 and a buffer assembly 32 located in the steel pipe 101, wherein the buffer assembly 32 is arranged in the translation assembly 31, the translation assembly 31 comprises a support two 311 fixedly connected to the outer wall of the support one 211, the inner wall of the support two 311 is slidably connected with a sliding rod one 312, and the sliding rod one 312 is provided with a rotating piece; wherein the sliding rod one 312 extends to the outside of the support two 311 away from the support one 211, and the rotating piece comprises a support three 313 fixedly connected to the side of the sliding rod one 312 away from the support two 311, and the inner wall of the support three 313 is rotatably connected with a rubber wheel two 314; wherein the rubber wheel two 314 is in contact with the inner wall of the steel pipe 101, and the buffer assembly 32 comprises two sliding rods two 321 fixedly connected to the inner wall of the support two 311, the inner wall of the support two 311 is slidably connected with a sliding block 322, and the outer walls of the two sliding rods two 321 are both sleeved with springs 323; wherein the side of the sliding rod one 312 close to the sliding block 322 is fixedly connected with the sliding block 322, the two sliding rods two 321 both penetrate through the sliding block 322, the sides of the two springs 323 close to the sliding block 322 are both fixedly connected with the sliding block 322, and the sides of the two springs 323 away from the sliding block 322 are both fixedly connected with the support two 311, by arranging the support part 3, the moving part 2 can be supported on the steel pipe 101, and vibration generated when the moving part 2 moves in the steel pipe 101 can be avoided to make the nozzle 216 shake, so that the uniformity and stability of spraying are ensured.
[0019] One specific application of the embodiment is that: in use, the moving part 2 can be sent into the steel pipe 101, then the motor 221 can be started to drive the rotating shaft two 222 to rotate, so that the rotating shaft three 223 is driven to rotate under the action of the two synchronous wheels 224 and the synchronous belt 225, and the rubber wheel one 226 is driven to rotate, so that the moving part 2 moves on the inner wall of the steel pipe 101, in this process, the water pump 212 can be started to drive the anticorrosive liquid into the connecting pipe 214 through the water pipe 213, at this time, under the action of the water pump 212, the anticorrosive liquid will impact the spiral blade 219 to make it rotate, so that the rotating shaft one 218 is driven to rotate, at this time, the connecting kettle 215 and the nozzle 216 are also driven by the rotating shaft one 218, and the anticorrosive liquid will finally be sprayed out of the nozzle 216 through the connecting kettle 215, so as to spray the inner wall of the steel pipe 101, when the moving part 2 is sent into the steel pipe 101, a plurality of support threes 313 can be pressed towards the support two 311, so as to drive the sliding block 322 to move towards the support one 211 through the sliding rod one 312, at this time, under the action of the two sliding rods two 321, the two springs 323 will be subjected to pressure to be elastically deformed and generate elastic force, and the rubber wheel two 314 will be in contact with the inner wall of the steel pipe 101, at this time, under the action of the elastic force of the spring 323, the stability of the moving part 2 during operation can be maintained.
[0020] The above description is only specific embodiments of the present application, various examples do not constitute limitation to the essential content of the present application, and the ordinary skilled in the art can modify or deform the previously described specific embodiments without departing from the essence and scope of the application after reading the specification.
Claims
1. A kind of water conservancy pressure steel pipe inner wall anticorrosion spraying device, including steel pipe (101), it is characterized by, Also include: The moving part (2) is arranged in the steel pipe (101); And The support part (3) is provided with four, four support parts (3) are arranged in the steel pipe (101); Wherein, four support parts (3) are arranged in a circle, and the side of four support parts (3) away from each other is in contact with the steel pipe (101).
2. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 1, characterized in that, The moving part (2) includes a spraying assembly (21), which is arranged in the steel pipe (101); And The moving assembly (22) is located in the steel pipe (101); Wherein, the moving assembly (22) is arranged on the right side of the spraying assembly (21).
3. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 2, characterized in that, The support part (3) includes a translation assembly (31), which is installed in the steel pipe (101); And Buffer assembly (32), the buffer assembly (32) is located in the steel pipe (101); Wherein, the buffer assembly (32) is arranged in the translation assembly (31).
4. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 3, characterized in that, The spraying assembly (21) includes a support one (211) arranged in the steel pipe (101), the inner wall of the support one (211) is fixedly connected with water pump (212), the top of the support one (211) is fixedly connected with water pipe (213), the left side of the support one (211) is fixedly connected with spraying piece; Wherein, the left side of the water pipe (213) is communicated with the water pump (212).
5. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 4, characterized in that, The moving assembly (22) includes a motor (221) fixedly connected to the inner wall of the support one (211), the inner wall of the support one (211) is rotatably connected with the shaft two (222), the inner wall of the support one (211) is rotatably connected with the shaft three (223), the shaft three (223) is provided with transmission part, the outer wall of the shaft three (223) is fixedly connected with rubber wheel one (226); Wherein, the shaft two (222) penetrates the support one (211), the output shaft of the motor (221) is fixedly connected with the shaft two (222) through the shaft coupling, the shaft two (222) penetrates the support one (211), the shaft three (223) penetrates the support one (211), the shaft three (223) penetrates the rubber wheel one (226), the outer wall of the rubber wheel one (226) is in contact with the steel pipe (101).
6. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 5, characterized in that, The translation assembly (31) includes a support two (311) fixedly connected to the outer wall of the support one (211), the inner wall of the support two (311) is slidably connected with the slide rod one (312), the slide rod one (312) is provided with rotating part; Wherein, the side of the slide rod one (312) away from the support one (211) extends to the outside of the support two (311).
7. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 6, characterized in that, The buffer assembly (32) includes two slide rods two (321) fixedly connected to the inner wall of the support two (311), the inner wall of the support two (311) is slidably connected with the sliding block (322), the outer wall of the two slide rods two (321) is sleeved with spring (323); The slide rod one (312) is fixedly connected with the slide block (322) on the side close to the slide block (322), the two slide rod twos (321) penetrate through the slide block (322), the two springs (323) are fixedly connected with the slide block (322) on the side close to the slide block (322), and the two springs (323) are fixedly connected with the support two (311) on the side away from the slide block (322).
8. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 7, characterized in that, The spraying piece comprises a connecting pipe (214) fixedly connected to the inner wall of the support one (211), a connecting kettle (215) rotatably connected to the left side of the connecting pipe (214), a plurality of spray heads (216) in communication with the outer wall of the connecting kettle (215), two cross plates (217) fixedly connected to the inner wall of the connecting pipe (214), a rotating shaft one (218) rotatably connected to the inner wall of the two cross plates (217), and helical blades (219) fixedly connected to the outer wall of the rotating shaft one (218). The right side of the connecting pipe (214) is communicated with the water pump (212), the left side of the rotating shaft one (218) is fixedly connected with the connecting kettle (215), and the rotating shaft one (218) penetrates through the two cross plates (217) and the helical blades (219).
9. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 8, characterized in that, The transmission piece comprises two synchronous wheels (224) arranged on the front side of the support one (211), and a synchronous belt (225) sleeved on the two synchronous wheels (224) and matched with the two synchronous wheels (224). The rotating shaft two (222) penetrates through the upper synchronous wheel (224), and the outer wall of the rotating shaft two (222) is fixedly connected with the upper synchronous wheel (224); and the rotating shaft three (223) penetrates through the lower synchronous wheel (224), and the outer wall of the rotating shaft three (223) is fixedly connected with the lower synchronous wheel (224).
10. The water conservancy pressure steel pipe inner wall anticorrosion spraying device according to claim 9, characterized in that, The rotating piece comprises a support three (313) fixedly connected to the slide rod one (312) away from the support two (311), and a rubber wheel two (314) rotatably connected to the inner wall of the support three (313). The rubber wheel two (314) is in contact with the inner wall of the steel pipe (101).