CN113083570B - Intelligent inner wall spraying device - Google Patents

Intelligent inner wall spraying device Download PDF

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Publication number
CN113083570B
CN113083570B CN202110353426.5A CN202110353426A CN113083570B CN 113083570 B CN113083570 B CN 113083570B CN 202110353426 A CN202110353426 A CN 202110353426A CN 113083570 B CN113083570 B CN 113083570B
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China
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fixedly connected
spraying
rod
gear
column
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CN113083570A (en
Inventor
周玉云
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Shanghai Pudong Water Supply And Drainage Construction Engineering Co ltd
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Shanghai Pudong Water Supply And Drainage Construction Engineering Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0627Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
    • B05B13/0636Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles

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  • Spray Control Apparatus (AREA)

Abstract

The invention relates to the field of engineering, in particular to an intelligent inner wall spraying device which can respectively control whether three spraying heads work or not so as to change the spraying effect; the length of the spray head can be changed, so that the spraying area is changed, and the spraying effect is changed; the rotary spraying device comprises a rotary spraying device, a fixing device and a speed changing device, wherein the rotary spraying device is connected with the fixing device, the rotary spraying device is connected with the speed changing device, three tension columns are pulled to drive a baffle to move, whether the feeding of the spraying rod is controlled or not can be controlled, whether three spraying heads work or not is controlled respectively, the spraying effect is changed, the length of a spray head can be changed by pushing and pulling the lengthened spraying heads, the spraying area is changed, and the spraying effect is changed.

Description

Intelligent inner wall spraying device
Technical Field
The invention relates to the field of engineering, in particular to an intelligent inner wall spraying device.
Background
The inner wall spraying device is a common engineering machine, but the common inner wall spraying device is operated manually, so that the efficiency is low, and the function is single.
Disclosure of Invention
The invention aims to provide an intelligent inner wall spraying device which can respectively control whether three spraying heads work or not so as to change the spraying effect; the length of the spray head can be changed, so that the spraying area is changed, and the spraying effect is changed; the rotating speed of the gear can be changed, so that the rotating speed of the hollow screw and the speed of outward movement are changed, the spraying speed is changed, and the spraying effect is changed.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an intelligence inner wall spraying device, includes rotatory spraying device, fixing device, speed change gear, rotatory spraying device is connected with fixing device, and rotatory spraying device is connected with speed change gear.
As a further optimization of the technical scheme, the intelligent inner wall spraying device comprises a base boss, a cylinder, a hollow screw, a hollow clamping column, a hollow thin column, a top cover, a spraying rod, a spraying head, an elongated spraying head, baffles, a tension column, a moving column, a first connecting column, a second connecting column, a first spring, a pulley frame and a first pulley.
As a further optimization of the technical scheme, the invention provides an intelligent inner wall spraying device, wherein the fixing device comprises a second fixing frame, a first rotating knob, a first screw rod, a third fixing frame, a second rotating knob, a second screw rod, a round hole, a third fixing plate and a second spring, the second fixing frame is in threaded connection with the first screw rod, the first rotating knob is fixedly connected with the first screw rod, the second fixing frame is fixedly connected with the third fixing frame, the second rotating knob is fixedly connected with the second screw rod, the third fixing frame is in threaded connection with the second screw rod, the round hole is formed in the third fixing plate, the three fixing frames are in sliding connection with the third fixing plate, the two second springs are fixedly connected with the third fixing frame, the four second springs are fixedly connected with the third fixing plate, the two second screw rods are fixedly connected with a cylinder, and the third fixing plate is in threaded connection with a hollow screw rod.
As a further optimization of the technical scheme, the invention relates to an intelligent inner wall spraying device, wherein a speed changing device comprises a motor, a first support, a base, a second pulley, a long rod, a protrusion, a second support, a first gear, a second gear, a connecting rod, a circle, a first connecting rod, a wrench, a third support, a third gear, outer teeth, inner teeth, a feeding port and a sliding rod, wherein the motor is fixedly connected with the first support, the first support is fixedly connected with the base, the four second pulleys are rotatably connected with the base, the motor is fixedly connected with the long rod, the two protrusions are fixedly connected with the long rod, the long rod is rotatably connected with the second support, the first gear is fixedly connected with the connecting rod, the connecting rod is matched and connected with the long rod, the connecting rod is matched and connected with the circle, the circle is fixedly connected with the first connecting rod, the first outer teeth are fixedly connected with the sliding rod, the wrench is slidably connected with the second support, the third support is slidably connected with the sliding rod, the third support is rotatably connected with the long rod, the third gear is fixedly connected with the inner teeth, the feeding port is arranged on the third gear, the first gear is meshed with the gear, the transmission screw, and the hollow screw are fixedly connected with the transmission screw.
The intelligent inner wall spraying device has the beneficial effects that:
according to the intelligent inner wall spraying device, the three tension columns are pulled to drive the baffle to move, so that whether the spraying rod is fed or not can be controlled, whether the three spraying heads work or not is controlled respectively, the spraying effect is changed, the length of the spray head can be changed by pushing, pulling and lengthening the spraying heads, the spraying area is changed, the spraying effect is changed, the three springs play a role in buffering, and therefore the intelligent inner wall spraying device can be adapted to cylinders with different calibers; when the wrench is pushed rightwards, the sliding rod moves rightwards, the first connecting rod is driven to move rightwards, the circle is driven to move rightwards, the connecting column is driven to move rightwards, the first gear and the second gear are driven to move rightwards, the second gear is meshed with the inner teeth, the three rotating speeds of the gears are changed, the rotating speed of the hollow screw and the speed of the outward movement are changed, the spraying speed is changed, and the spraying effect is changed.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a first structural schematic diagram of the spin coating apparatus of the present invention;
FIG. 3 is a schematic structural view of a rotary coating apparatus of the present invention;
FIG. 4 is a third schematic structural view of the rotary coating device of the present invention;
FIG. 5 is a first structural view of the fixing device of the present invention;
FIG. 6 is a second structural view of the fixing device of the present invention;
FIG. 7 is a first schematic structural diagram of the transmission of the present invention;
FIG. 8 is a second schematic structural view of the transmission of the present invention;
fig. 9 is a third schematic structural view of the transmission of the present invention.
In the figure: a rotary spray coating device 1; 1-1 of a base boss; 1-2 of a cylinder; 1-3 parts of a hollow screw; 1-4 of a hollow clamping column; 1-5 parts of a hollow thin column; 1-6 of a top cover; spraying rods 1-7; 1-8 parts of a spray head; lengthening the spraying head by 1-9; 1-10 parts of baffle plate; 1-11 of a tension column; 1-12 of a motion column; 1-13 of a connecting column I; connecting a second column 1-14; 1-15 parts of a first spring; 1-16 pulley frames; 1-17 of a first pulley; a fixing device 2; 2-1 of a second fixing frame; turning a knob I2-2; 2-3 of a first screw; a third fixing frame 2-4; 2-5 of a second knob; 2-6 parts of a second screw; 2-7 of round holes; fixing plates III 2-8; 2-9 parts of a second spring; a transmission 3; a motor 3-1; 3-2 parts of a first bracket; 3-3 of a base; 3-4 parts of a second pulley; 3-5 long rods; 3-6 parts of a protrusion; 3-7 of a second bracket; 3-8 parts of a first gear; 3-9 parts of a second gear; 3-10 of connecting columns; circle 3-11; 3-12 parts of a first connecting rod; 3-13 parts of a wrench; 3-14 parts of a bracket III; gear three 3-15; 3-16 of external teeth; 3-17 parts of internal teeth; feed ports 3 to 18; and 3-19 slide bars.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The fixed connection in the device is realized by fixing in modes of welding, thread fixing and the like, and different fixing modes are used in combination with different use environments; the rotary connection means that the bearing is arranged on the shaft in a drying way, a spring retainer ring groove is arranged on the shaft or the shaft hole, and the elastic retainer ring is clamped in the retainer ring groove to realize the axial fixation of the bearing and realize the rotation; the sliding connection refers to the connection through the sliding of the sliding block in the sliding groove or the guide rail; the hinge joint refers to a movable connection mode on a hinge, a pin shaft, a short shaft and other connection parts; the required sealing positions are sealed by sealing rings or O-shaped rings.
The first embodiment is as follows:
the present embodiment is described below with reference to fig. 1 to 9, and an intelligent inner wall spraying device includes a rotary spraying device 1, a fixing device 2, and a speed changing device 3, where the rotary spraying device 1 is connected to the fixing device 2, and the rotary spraying device 1 is connected to the speed changing device 3.
The second embodiment is as follows:
the embodiment is described below by combining with figures 1-9, the embodiment further describes a first embodiment, the rotary spraying device 1 comprises a base boss 1-1, a cylinder 1-2, a hollow screw 1-3, a hollow clamping column 1-4, a hollow thin column 1-5, a top cover 1-6, a spraying rod 1-7, a spraying head 1-8, an elongated spraying head 1-9, a baffle 1-10, a tension column 1-11, a moving column 1-12, a connecting column 1-13, a connecting column two 1-14, a spring one 1-15, a pulley frame 1-16, a pulley one 1-17, a base boss 1-1 and a cylinder 1-2 are fixedly connected, the hollow screw 1-3 is fixedly connected with the hollow clamping column 1-4, the hollow clamping column 1-4 is fixedly connected with the hollow thin column 1-5, the connecting column 1-5 is fixedly connected with the top cover 1-6, the three spraying rods 1-7 are fixedly connected with the hollow thin column 1-5, the spraying rods 1-7 are fixedly connected with the spraying head 1-8, the spraying head 1-8 is fixedly connected with the hollow thin column 1-5, the connecting column 1-6 is fixedly connected with the baffle 1-13, the baffle 1-10 is connected with the spring 1-10, the baffle 1-10 is fixedly connected with the baffle 1-10, the baffle 1-13, the baffle 1-10 is fixedly connected with the hollow thin column 1-10, the baffle 1-13, the connecting column II 1-14 is fixedly connected with the pulley yoke 1-16, the two pulleys I1-17 are rotatably connected with the pulley yoke 1-16, and the six pulleys I1-17 are matched and connected with the cylinder 1-2;
starting the motor 3-1 to drive the long rod 3-5 to rotate, driving the two protrusions 3-6 to rotate, driving the gear one 3-8 to rotate, driving the outer teeth 3-16 to rotate, driving the gear three 3-15 to rotate, driving the hollow screw 1-3 to rotate, driving the hollow jamming column 1-4 to rotate, driving the hollow fine column 1-5 to rotate, driving the three spraying rods 1-7 to rotate, driving the three spraying heads 1-8 to rotate, when the coating is added to the feeding port 3-18, the coating is sprayed from the upper end of the spraying heads 1-8 to the inner wall of the cylinder 1-2, driving the hollow screw 1-3 to move outwards due to the threaded connection of the hollow screw 1-3 with the fixed plate three 2-8, driving the hollow jamming column 1-4 to push the moving column 1-12 to move outwards, driving the three connecting column one 1-13 to move outwards, driving the three connecting column two 1-14 to move outwards, driving the three pulley carriages 1-16 to move outwards, driving the six pulleys one pulley 1-17 to slide outwards on the inner wall of the cylinder 1-2, driving the hollow jamming column 1-4 to move outwards, driving the three spraying columns 1-7 to drive the spraying heads to move outwards, and further driving the three spraying heads 1-8 to move, and further driving the spraying heads to drive the spraying heads 1-8 to move, and further to change the length of the spraying heads, and further controlling the spraying heads 1-8, and further controlling the spraying heads to move the spraying heads 1-8, and further the spraying area is changed, so that the spraying effect is changed, and the three springs I1-15 play a role in buffering, so that the spraying device can be adapted to cylinders with different calibers.
The third concrete implementation mode:
the first embodiment is further described with reference to fig. 1-9, in which the fixing device 2 includes a second fixing frame 2-1, a first rotating knob 2-2, a first screw 2-3, a third fixing frame 2-4, a second rotating knob 2-5, a second screw 2-6, a circular hole 2-7, a third fixing plate 2-8, and a second spring 2-9, the second fixing frame 2-1 is in threaded connection with the first screw 2-3, the first rotating knob 2-2 is in fixed connection with the first screw 2-3, the second fixing frame 2-1 is in fixed connection with the third fixing frame 2-4, the second rotating knob 2-5 is in fixed connection with the second screw 2-6, the third fixing frame 2-4 is in threaded connection with the second screw 2-6, the circular hole 2-7 is formed in the third fixing plate 2-8, the third fixing frame 2-4 is in sliding connection with the third fixing plate 2-8, the second spring 2-9 is in fixed connection with the third fixing frame 2-4, the second spring 2-9 is in threaded connection with the fixing plate 2-8, and the second fixing frame 2-8 is in threaded connection with the hollow cylinder 3;
the upper ends of the two fixing frames 2-1 can be fixed by rotating the first rotating knob 2-2, the two rotating knobs 2-5 are rotated to enable the screw rods 2-6 to be tightly attached to the cylinders 1-2, the fixing device 2 can be arranged on the cylinders 1-2, and the four springs 2-9 play a role in buffering, so that the device can be adapted to cylinders with different calibers.
The fourth concrete implementation mode:
the first embodiment is further described with reference to fig. 1-9, wherein the speed changing device 3 comprises a motor 3-1, a first support 3-2, a base 3-3, a second pulley 3-4, a long rod 3-5, a protrusion 3-6, a second support 3-7, a first gear 3-8, a second gear 3-9, a connecting column 3-10, a circle 3-11, a first connecting rod 3-12, a wrench 3-13, a third support 3-14, a third gear 3-15, an outer gear 3-16, an inner gear 3-17, a feed inlet 3-18 and a sliding rod 3-19, wherein the motor 3-1 is fixedly connected with the first support 3-2, the first support 3-2 is fixedly connected with the base 3-3, the four pulleys 3-4 are rotatably connected with the base 3-3, the motor 3-1 is fixedly connected with the long rod 3-5, the two protrusions 3-6 are fixedly connected with the long rod 3-5, the long rod 3-5 is rotatably connected with the second support 3-7, the second support 3-3 is fixedly connected with the first support 3-3, the second support is fixedly connected with the gear 3-10, the connecting rod 3-10 is fixedly connected with the first connecting rod 3-10, the circle 3-10, the connecting rod 3-10 is connected with the wrench, the connecting rod 3-10, a third support 3-14 is connected with a sliding rod 3-19 in a sliding manner, a third support 3-14 is connected with a long rod 3-5 in a rotating manner, a third gear 3-15 is fixedly connected with outer teeth 3-16, a third gear 3-15 is fixedly connected with inner teeth 3-17, a feed inlet 3-18 is formed in the third gear 3-15, a first gear 3-8 is in meshing transmission with the outer teeth 3-16, a second gear 3-9 is in meshing transmission with the inner teeth 3-17, and the third gear 3-15 is fixedly connected with a hollow screw rod 1-3;
starting the motor 3-1 to drive the long rod 3-5 to rotate, driving the two protrusions 3-6 to rotate, driving the gear I3-8 to rotate, driving the outer teeth 3-16 to rotate, driving the gear III 3-15 to rotate, when pushing the wrench 3-13 to the right, driving the slide rod 3-19 to move to the right, driving the connecting rod I3-12 to move to the right, driving the circle 3-11 to move to the right, driving the connecting column 3-10 to move to the right, driving the gear I3-8 and the gear II 3-9 to move to the right, meshing the gear II 3-9 with the inner teeth 3-17, further changing the rotating speed of the gear III 3-15, further changing the rotating speed of the hollow screw rod 1-3 and the speed of the outward movement, further changing the spraying speed, and further changing the spraying effect.
The invention relates to an intelligent inner wall spraying device, which has the working principle that: starting the motor 3-1 to drive the long rod 3-5 to rotate, driving the two protrusions 3-6 to rotate, driving the gear one 3-8 to rotate, driving the outer teeth 3-16 to rotate, driving the gear three 3-15 to rotate, driving the hollow screw 1-3 to rotate, driving the hollow jamming column 1-4 to rotate, driving the hollow fine column 1-5 to rotate, driving the three spraying rods 1-7 to rotate, driving the three spraying heads 1-8 to rotate, when the coating is added to the feeding port 3-18, the coating is sprayed from the upper end of the spraying heads 1-8 to the inner wall of the cylinder 1-2, driving the hollow screw 1-3 to move outwards due to the threaded connection of the hollow screw 1-3 with the fixed plate three 2-8, driving the hollow jamming column 1-4 to push the moving column 1-12 to move outwards, driving the three connecting column one 1-13 to move outwards, driving the three connecting column two 1-14 to move outwards, driving the three pulley carriages 1-16 to move outwards, driving the six pulleys one pulley 1-17 to slide outwards on the inner wall of the cylinder 1-2, driving the hollow jamming column 1-4 to move outwards, driving the three spraying columns 1-7 to drive the spraying heads to move outwards, and further driving the three spraying heads 1-8 to move, and further driving the spraying heads to drive the spraying heads 1-8 to move, and further to change the length of the spraying heads, and further controlling the spraying heads 1-8, and further controlling the spraying heads to move the spraying heads 1-8, the spraying area is changed, so that the spraying effect is changed, and the three springs I1-15 play a role in buffering, so that the spraying device can be adapted to cylinders with different calibers; the upper ends of the two fixing frames II 2-1 can be fixed by rotating the first rotating knob 2-2, the two rotating knobs II 2-5 are rotated to enable the screw rods II 2-6 to be tightly attached to the cylinders 1-2, the fixing device 2 can be arranged on the cylinders 1-2, and the four springs II 2-9 play a role in buffering and can be further adapted to cylinders with different calibers; starting the motor 3-1 to drive the long rod 3-5 to rotate, driving the two protrusions 3-6 to rotate, driving the gear I3-8 to rotate, driving the outer teeth 3-16 to rotate, driving the gear III 3-15 to rotate, when pushing the wrench 3-13 to the right, driving the slide rod 3-19 to move to the right, driving the connecting rod I3-12 to move to the right, driving the circle 3-11 to move to the right, driving the connecting column 3-10 to move to the right, driving the gear I3-8 and the gear II 3-9 to move to the right, meshing the gear II 3-9 with the inner teeth 3-17, further changing the rotating speed of the gear III 3-15, further changing the rotating speed of the hollow screw rod 1-3 and the speed of the outward movement, further changing the spraying speed, and further changing the spraying effect.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims (1)

1. The utility model provides an intelligence inner wall spraying device, includes rotatory spraying device (1), fixing device (2), speed change gear (3), its characterized in that: the rotary spraying device (1) is connected with the fixing device (2), and the rotary spraying device (1) is connected with the speed change device (3);
the rotary spraying device (1) comprises a base boss (1-1), a cylinder (1-2), a hollow screw rod (1-3), a hollow clamping column (1-4), a hollow fine column (1-5), a top cover (1-6), a spraying rod (1-7), a spraying head (1-8), a lengthened spraying head (1-9), a baffle plate (1-10), a tension column (1-11), a moving column (1-12), a connecting column I (1-13), a connecting column II (1-14), a spring I (1-15), a pulley frame (1-16) and a pulley I (1-17), wherein the base boss (1-1) is fixedly connected with the cylinder (1-2), the hollow screw rod (1-3) is fixedly connected with the hollow clamping column (1-4), the hollow clamping column (1-4) is fixedly connected with the hollow fine column (1-5), the hollow fine column (1-5) is fixedly connected with the top cover (1-6), the three spraying rods (1-7) are fixedly connected with the hollow fine column (1-5), the spraying rod (1-7) is fixedly connected with the spraying head (1-8) and the spraying head (1-9), the baffle plates (1-10) are fixedly connected with the tension columns (1-11), the three baffle plates (1-10) are all in sliding connection with the top covers (1-6), the three baffle plates (1-10) are all in sliding connection with the hollow thin columns (1-5), the three connecting columns I (1-13) are all in fixed connection with the moving columns (1-12), the connecting columns I (1-13) are in sliding connection with the connecting columns II (1-14), the moving columns (1-12) are fixedly connected with the springs I (1-15), the connecting columns II (1-14) are fixedly connected with the pulley frames (1-16), the two pulleys I (1-17) are all in rotating connection with the pulley frames (1-16), and the six pulleys I (1-17) are all in matched connection with the cylinders (1-2);
the fixing device (2) comprises a second fixing frame (2-1), a first rotating knob (2-2), a first screw rod (2-3), a third fixing frame (2-4), a second rotating knob (2-5), a second screw rod (2-6), round holes (2-7), a third fixing plate (2-8) and a second spring (2-9), wherein the second fixing frame (2-1) is in threaded connection with the first screw rod (2-3), the first rotating knob (2-2) is fixedly connected with the first screw rod (2-3), the second fixing frame (2-1) is fixedly connected with the third fixing frame (2-4), the second rotating knob (2-5) is fixedly connected with the second screw rod (2-6), the third fixing frame (2-4) is in threaded connection with the second screw rod (2-6), the round holes (2-7) are arranged on the third fixing plate (2-8), the two third fixing frames (2-4) are in sliding connection with the third fixing plate (2-8), the four second springs (2-9) are fixedly connected with the third fixing frame (2-4), the four fixing frames (2-8) are fixedly connected with the second screw rods (2-3), and the hollow cylinders (2-8) and the two fixing frames (2-4) are fixedly connected with the fixing plates (2-4), and the fixing plates (2-8) (ii) a
The speed change device (3) comprises a motor (3-1), a first support (3-2), a base (3-3), a second pulley (3-4), a long rod (3-5), a protrusion (3-6), a second support (3-7), a first gear (3-8), a second gear (3-9), a connecting column (3-10), a circle (3-11), a first connecting rod (3-12), a wrench (3-13), a third support (3-14), a third gear (3-15), an outer gear (3-16), an inner gear (3-17), a feed inlet (3-18) and a sliding rod (3-19), wherein the motor (3-1) is fixedly connected with the first support (3-2), the first support (3-2) is fixedly connected with the base (3-3), the four second pulleys (3-4) are rotatably connected with the base (3-3), the motor (3-1) is fixedly connected with the long rod (3-5), the two protrusions (3-6) are fixedly connected with the long rod (3-5), the second support (3-5) is rotatably connected with the second support (3-7), the gear I (3-8) is fixedly connected with the connecting column (3-10), the gear II (3-9) is fixedly connected with the connecting column (3-10), the connecting column (3-10) is matched and connected with the long rod (3-5), the connecting column (3-10) is matched and connected with the circle (3-11), the circle (3-11) is fixedly connected with the connecting rod I (3-12), the connecting rod I (3-12) is fixedly connected with the sliding rod (3-19), the wrench (3-13) is fixedly connected with the sliding rod (3-19), the bracket II (3-7) is slidably connected with the sliding rod (3-19), the bracket III (3-14) is rotatably connected with the long rod (3-5), the gear III (3-15) is fixedly connected with the external tooth (3-16), the gear III (3-15) is fixedly connected with the internal tooth (3-17), the feed inlet (3-18) is arranged on the gear III (3-15), the gear III (3-15) is fixedly meshed with the transmission screw (3-17), and the transmission screw (3-15) is meshed with the hollow screw (3-1).
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CN113617565A (en) * 2021-07-29 2021-11-09 张同水 Paint spraying device for inner wall of pipeline
CN113909036B (en) * 2021-12-07 2022-04-12 山东科技职业学院 Pipe fitting inner wall spraying device
CN115007422B (en) * 2022-06-28 2023-09-29 深圳湘广医疗器材有限公司 Polycarbonate plate processing technology
CN117299425B (en) * 2023-11-30 2024-02-09 尊领科技集团有限公司 Spraying device for inner wall of wind power generation tower barrel

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