CN112206946A - Movable internal and external spraying equipment for large-diameter steel pipe - Google Patents
Movable internal and external spraying equipment for large-diameter steel pipe Download PDFInfo
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- CN112206946A CN112206946A CN202011064786.5A CN202011064786A CN112206946A CN 112206946 A CN112206946 A CN 112206946A CN 202011064786 A CN202011064786 A CN 202011064786A CN 112206946 A CN112206946 A CN 112206946A
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- steel pipe
- rotating
- spraying
- threaded rod
- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines 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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines 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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines 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
- B05B13/06—Machines 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
- B05B13/0609—Machines 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 the hollow bodies being automatically fed to, or removed from, the machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines 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
- B05B13/06—Machines 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
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines 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
- B05B13/06—Machines 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
- B05B13/0645—Machines 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 the hollow bodies being rotated during treatment operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Spray Control Apparatus (AREA)
Abstract
The invention discloses a movable type internal and external spraying device for a large-diameter steel pipe, which comprises a guide channel, wherein the guide channel sequentially penetrates through a first intermediate frequency coil, an EP spray gun chamber, a glue spraying chamber, a second intermediate frequency coil and a PE spray gun chamber; the spraying device can be used for spraying the inside and the outside of steel pipes with different lengths and different pipe diameters, has strong applicability, small occupied area of the whole equipment, saves space, can be disassembled into a plurality of components, and can be separately transported to a steel pipe construction site for spraying, thereby saving the transportation cost, recycling the redundant coating on the surface of the steel pipe, saving resources, avoiding the waste of resources and reducing the cost.
Description
Technical Field
The invention relates to the technical field of plastic-coated steel pipes, in particular to a movable internal and external spraying device for a large-diameter steel pipe.
Background
The steel pipe is not only used for conveying fluid and powdery solid, exchanging heat energy and manufacturing mechanical parts and containers, but also is an economic steel, the steel pipe is used for manufacturing building structure net racks, pillars and mechanical supports, the weight can be reduced, the metal can be saved by 20-40%, the industrialized mechanized construction can be realized, the steel pipe is used for manufacturing highway bridges, the steel material can be saved, the construction is simplified, the area of a coating protective layer can be greatly reduced, the investment and the maintenance cost are saved, the surface of the steel pipe can generate a lot of scrap impurities and rust marks after long-term use, the steel pipe needs to be sprayed again to ensure the service life, the steel pipe with large caliber is heavy per se, the length of the steel pipe is long, the steel pipe is inconvenient to transport after being sprayed inside and outside a plant area, the transport efficiency is low, the transport cost is high, and the traditional steel pipe spraying equipment can not spray, the suitability is poor, and area is big, the transportation of being not convenient for, and the cost of transportation is high, and traditional steel pipe spraying equipment can't carry out recycle to unnecessary coating moreover, causes the wasting of resources easily, and steel pipe manufacturing cost is high.
Disclosure of Invention
The invention aims to provide a movable internal and external spraying device for a large-diameter steel pipe, which is characterized in that two ends of the steel pipe are respectively placed on rotating wheels of two rotating mechanisms, a connecting trolley with corresponding length is arranged between two moving trolleys according to the length of the steel pipe for fixing, a cantilever rod is placed in a sliding guide groove of a supporting block, one end of the cantilever rod is fixed on a lifting frame, a spraying pipe of an internal spraying machine penetrates through a spraying hole and extends out of the spraying hole, an air suction pipe of an internal recycling mechanism penetrates through a recycling hole and extends out of the recycling hole, a first lifting motor is started, the first lifting motor drives a first threaded rod to rotate through a belt pulley and a belt and drives the first threaded rod to lift, the first threaded rod drives the supporting block to lift, a second lifting motor is started simultaneously, the second lifting motor drives a second threaded rod to rotate and drives a nut to lift, the nut drives the lifting frame to lift through the fixed rod and drives the cantilever rod to lift, the height of the cantilever rod is adjusted according to the pipe diameter of the steel pipe, the internal and external spraying equipment can simultaneously spray the inner and outer walls of the steel pipe with the diameter of 1420-, the equipment can process three types of steel pipes, wherein the first type is an inner EP layer outer EP layer plastic-coated steel pipe, the second type is an inner EP layer outer PE layer plastic-coated steel pipe, and the third type is an inner EP layer outer 3PE layer plastic-coated steel pipe, so that the applicability is strong, and the technical problems that the traditional steel pipe spraying equipment cannot spray steel pipes with different pipe diameters and lengths, the applicability is poor, the occupied area is large, the transportation is inconvenient, and the transportation cost is high are solved;
according to the invention, the steel pipe is driven to move towards one side of the inner spraying machine through the moving trolley, one end of the cantilever rod enters the steel pipe, the inner spraying machine conveys the coating to the spray head through the spraying pipe to spray, the rotating motor is started, the rotating motor drives the rotating shaft to rotate, the rotating shaft drives the rotating wheel to rotate and drives the steel pipe to rotate, the coating is uniformly sprayed on the steel pipe through the spray head, the air suction pump is started to suck air, and the redundant coating on the surface of the steel pipe is sucked into the recovery tank through the air suction pipe to be recycled, so that resources are saved, resource waste is avoided, the cost is reduced, and the technical problems that the redundant coating cannot be recycled by the traditional steel pipe spraying equipment, the resources are easily wasted, and the production cost of the steel.
The purpose of the invention can be realized by the following technical scheme:
a movable type internal and external spraying device for large-diameter steel pipes comprises a guide channel, wherein the guide channel sequentially penetrates through a first intermediate frequency coil, an EP spray gun chamber, a glue spraying chamber, a second intermediate frequency coil and a PE spray gun chamber, two moving trolleys are arranged above one end of the guide channel, the bottoms of the two moving trolleys are in sliding connection with the guide channel, the two moving trolleys are fixedly connected through a connecting trolley, rotating mechanisms are fixedly arranged on the two moving trolleys and are symmetrically distributed, a steel pipe is arranged between the two rotating mechanisms, the rotating mechanisms are used for clamping the steel pipe and driving the steel pipe to rotate, an internal spraying machine is fixedly arranged at the other end of the guide channel, a stand column is fixedly arranged on one side of the internal spraying machine, a lifting frame is movably arranged on the stand column in the vertical direction, and a cantilever rod which is horizontally arranged is fixedly connected on the lifting frame, the spraying pipe of the inner spraying machine penetrates through the spraying hole and extends out of the spraying hole, a spray head is arranged at one end, far away from the inner spraying machine, of the spraying pipe, an inner recovery mechanism is arranged on the other side of the inner spraying machine, and an air suction pipe of the inner recovery mechanism penetrates through the recovery hole and extends out of the recovery hole.
Furthermore, the guide channel is formed by fixedly splicing a plurality of guide rails end to end.
Furthermore, a supporting mechanism for supporting the cantilever rod is arranged on the guide channel, the supporting mechanism comprises a translation trolley, the upper surface of the translation trolley is fixedly connected with a supporting column, a supporting block is movably arranged above the supporting column along the vertical direction, a cavity is formed in the inner side of the supporting column, a mounting plate is arranged in the cavity, the mounting plate is fixedly connected with the supporting block through two sliding rods, the two sliding rods penetrate through the upper wall of the supporting column and are in sliding fit with the upper wall of the supporting column, a first threaded rod is rotatably arranged in the middle of the bottom surface of the supporting block through a bearing, the lower part of the first threaded rod is rotatably connected with the mounting plate, the first threaded rod is in threaded fit with the upper wall of the supporting column, a first lifting motor is fixedly arranged on the mounting plate, and the output shaft of the first, the top of support column is equipped with the slip guide slot, support cantilever bar slidable mounting is in the slip guide slot.
Furthermore, a PE recycling machine is arranged on one side of the PE spray gun chamber, an EP recycling machine is arranged on one side of the EP spray gun chamber, and a cooler used for cooling the first intermediate frequency coil and the second intermediate frequency coil is arranged between the PE recycling machine and the EP recycling machine.
Furthermore, an inner supporting rod is arranged on the lower side of one end, close to the spray head, of the cantilever rod, and a roller is arranged at the bottom end of the inner supporting rod.
Further, slewing mechanism includes the bottom plate, fixed mounting has the riser on the bottom plate, be equipped with two centre bores on the riser, equal fixed mounting has the bearing frame in two centre bores, rotate through the bearing in the bearing frame and install the axis of rotation, axis of rotation one end fixed connection rotates the cover, still fixed mounting has two drive assembly on the bottom plate, and drive assembly is including rotating motor and speed reducer, the output shaft that rotates the motor links to each other with the input shaft of speed reducer, the output shaft end of speed reducer passes through the one end fixed connection of shaft coupling and the axis of rotation that corresponds.
Furthermore, the rotating sleeve comprises a rotating plate, one side of the rotating plate is coaxially and fixedly connected with a rotating wheel, the rotating wheel is a conical ring, and the cone angle of the rotating wheel is 10 degrees.
Further, interior recovery mechanism includes the casing, the inboard bottom fixed mounting of casing has the accumulator, the upside inner wall fixed mounting of casing has the aspirator pump, the delivery outlet of aspirator pump is vertical down, the input port fixedly connected with breathing pipe of aspirator pump, the one end of breathing pipe runs through the casing and extends to the outside of casing.
Further, the crane cover is established on the stand, the inboard vertical threaded rod two that is provided with of stand, the upper and lower end of threaded rod two is rotated with the inner wall top and the inner wall bottom of stand through the bearing respectively and is connected, the top fixed mounting of stand has elevator motor two, the output shaft end of elevator motor two and the top fixed connection of threaded rod two, threaded connection has the nut on the threaded rod two, the equal fixed mounting in both sides of nut has the dead lever, the both sides lateral wall of stand has all been seted up and has been erected the groove, two the one end that the nut was kept away from to the dead lever passes respectively to correspond and erects the groove and with crane fixed connection, two pulleys are all installed in the inside both sides of crane to rotate, the equal fixed mounting in both sides of stand has the slide rail, pulley.
Further, the working method of the device specifically comprises the following steps:
step one, two ends of a steel pipe are respectively placed on rotating wheels of two rotating mechanisms, a connecting trolley with corresponding length is arranged between two moving trolleys according to the length of the steel pipe for fixing, a cantilever rod is placed in a sliding guide groove of a supporting block, one end of the cantilever rod is fixed on a lifting frame, a spraying pipe of an inner spraying machine penetrates through a spraying hole and extends out of the spraying hole, an air suction pipe of the inner recycling mechanism penetrates through a recycling hole and extends out of the recycling hole, a first lifting motor is started, the first lifting motor drives a first threaded rod to rotate through a belt pulley and a belt and drives the first threaded rod to lift, the first threaded rod drives the supporting block to lift, a second lifting motor is started simultaneously, the second lifting motor drives a second threaded rod to rotate and drives a nut to lift, the nut drives the lifting frame to lift through a fixed rod and drives the cantilever rod to lift, the height of the cantilever rod is adjusted according to the diameter of the steel pipe;
and step two, driving the steel pipe to move towards one side of an inner spraying machine through a moving trolley, enabling one end of the cantilever rod to enter the steel pipe, conveying the coating to a spray head through the spraying pipe by the inner spraying machine to spray, starting a rotating motor, driving a rotating shaft to rotate by the rotating motor, driving a rotating wheel to rotate by the rotating shaft, driving the steel pipe to rotate, uniformly spraying the coating on the steel pipe through the spray head, starting an air suction pump, starting the air suction pump to suck air, and pumping redundant coating on the surface of the steel pipe into a recovery tank through an air suction pipe to be recovered.
The invention has the beneficial effects that:
the invention is characterized in that two ends of a steel pipe are respectively placed on rotating wheels of two rotating mechanisms, a connecting trolley with corresponding length is arranged between two moving trolleys according to the length of the steel pipe for fixing, a cantilever rod is placed in a sliding guide groove of a supporting block, one end of the cantilever rod is fixed on a lifting frame, a spraying pipe of an inner spraying machine penetrates through a spraying hole and extends out of the spraying hole, an air suction pipe of the inner recycling mechanism penetrates through a recycling hole and extends out of the recycling hole, a first lifting motor is started, the first lifting motor drives a first threaded rod to rotate through a belt pulley and a belt and drives the first threaded rod to lift, the first threaded rod drives the supporting block to lift, a second lifting motor is started simultaneously, the second lifting motor drives a second threaded rod to rotate and drives a nut to lift, the nut drives the lifting frame to lift through a fixed rod and drives the cantilever rod to lift, the height of the cantilever rod is adjusted according to the pipe diameter of the steel pipe, the inner and outer spraying equipment can be used for spraying the inner wall and the outer wall of the steel pipe with the diameter of 1420-;
according to the invention, the steel pipe is driven to move towards one side of the inner spraying machine through the moving trolley, one end of the cantilever rod enters the steel pipe, the inner spraying machine conveys the coating to the spray head through the spraying pipe to spray out, the rotating motor is started to rotate, the rotating motor drives the rotating shaft to rotate, the rotating shaft drives the rotating wheel to rotate and drives the steel pipe to rotate, the coating is uniformly sprayed on the steel pipe through the spray head, the air suction pump is started to start air suction, and the redundant coating on the surface of the steel pipe is sucked into the recovery tank through the air suction pipe to be recycled, so that resources are saved, the waste of resources is avoided, and the cost is.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a mobile internal and external spraying device for large-diameter steel pipes according to the present invention;
FIG. 2 is a top view of the mobile internal and external spraying equipment for large-diameter steel pipes according to the present invention;
FIG. 3 is an assembled side view of the cantilever bar and the spray tube of the present invention;
FIG. 4 is a schematic structural view of a rotating mechanism of the present invention;
FIG. 5 is a schematic view of the construction of the internal recovery mechanism of the present invention;
FIG. 6 is a schematic structural view of the support mechanism of the present invention;
figure 7 is an assembly drawing of the mast, crane and internal applicator of the present invention.
In the figure: 1. a guide channel; 2. a first intermediate frequency coil; 21. a cooler; 3. an EP lance chamber; 31. an EP reclaimer; 4. a glue spraying chamber; 5. a second intermediate frequency coil; 6. a PE spray gun chamber; 61. a PE recycling machine; 7. an internal spraying machine; 71. a spray pipe; 8. a cantilever bar; 81. spraying holes; 82. a recovery hole; 10. an inner support bar; 11. an internal recovery mechanism; 111. a housing; 112. a recovery tank; 113. a getter pump; 114. an air intake duct; 12. moving the trolley; 13. a connecting trolley; 14. a rotating mechanism; 141. a base plate; 142. rotating the motor; 143. a speed reducer; 144. a coupling; 145. a rotating shaft; 146. a bearing seat; 147. rotating the sleeve; 1471. a rotating plate; 1472. a rotating wheel; 148. a vertical plate; 15. a support mechanism; 151. translating the trolley; 152. a support pillar; 153. a support block; 154. mounting a plate; 155. a first threaded rod; 156. a first lifting motor; 157. a slide bar; 16. a column; 17. a second threaded rod; 18. a second lifting motor; 19. a lifting frame; 20. a nut; 22. fixing the rod; 23. a pulley.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, a mobile internal and external spraying device for large-diameter steel pipes comprises a guide channel 1, wherein the guide channel 1 sequentially passes through a first intermediate frequency coil 2, an EP spray gun chamber 3, a glue spraying chamber 4, a second intermediate frequency coil 5 and a PE spray gun chamber 6, the EP spray gun chamber 3 and the PE spray gun chamber 6 adopt the prior art, such as IB1 intermediate frequency heating device, two trolleys 12 are arranged above one end of the guide channel 1, the bottoms of the two trolleys 12 are slidably connected with the guide channel 1, the two trolleys 12 are fixedly connected with each other through a connecting trolley 13, rotating mechanisms 14 are fixedly arranged on the two trolleys 12, the two rotating mechanisms 14 are symmetrically distributed, a steel pipe is arranged between the two rotating mechanisms 14, the rotating mechanisms 14 are used for clamping the steel pipe and driving the steel pipe to rotate, an internal spraying machine 7 is fixedly arranged at the other end of the guide channel 1, one side fixed mounting of interior flush coater 7 has stand 16, there is crane 19 along vertical direction movable mounting on the stand 16, fixedly connected with is the cantilever bar 8 of level setting on the crane 19, cantilever bar 8 and the coaxial setting of steel pipe, spray hole 81 and recovery hole 82 have been seted up along the axis direction in the cantilever bar 8, the spray pipe 71 of interior flush coater 7 passes and stretches out to the spray hole 81 outside from spray hole 81, the one end that spray pipe 71 kept away from interior flush coater 7 is equipped with the shower nozzle, interior flush coater 7 opposite side is equipped with interior recovery mechanism 11, the breathing pipe 114 of interior recovery mechanism 11 passes and stretches out to the recovery hole 82 outside from recovery hole 82.
The guide channel 1 is formed by fixedly splicing a plurality of guide rails end to end.
The guide channel 1 is provided with a supporting mechanism 15 for supporting the cantilever bar 8, the supporting mechanism 15 comprises a translation trolley 151, the translation trolley 151 adopts the prior art, the upper surface of the translation trolley 151 is fixedly connected with a supporting column 152, a supporting block 153 is movably installed above the supporting column 152 along the vertical direction, a cavity is formed in the inner side of the supporting column 152, a mounting plate 154 is arranged in the cavity, the mounting plate 154 is fixedly connected with the supporting block 153 through two sliding rods 157, the two sliding rods 157 penetrate through the upper wall of the supporting column 152, the two sliding rods 157 are in sliding fit with the upper wall of the supporting column 152, a first threaded rod 155 is rotatably installed in the middle of the bottom surface of the supporting block 153 through a bearing, the lower part of the first threaded rod 155 is rotatably connected with the mounting plate 154, the first threaded rod 155 is in threaded fit with the upper wall of the supporting column, an output shaft of the first lifting motor 156 is connected with the first threaded rod 155 through a belt pulley and a belt, a sliding guide groove is formed in the top of the supporting column 152, and the supporting cantilever rod 8 is slidably mounted in the sliding guide groove.
PE is retrieved machine 61 on PE spray gun room 6 one side, EP is retrieved machine 31 on EP spray gun room 3 one side, be equipped with the cooler 21 that is used for cooling first intermediate frequency coil 2 and second intermediate frequency coil 5 between PE is retrieved machine 61 and EP and is retrieved machine 31, and PE is retrieved machine 61, EP and is retrieved machine 31, cooler 21 and all adopts prior art.
An inner supporting rod 10 is arranged on the lower side of one end, close to the spray head, of the cantilever rod 8, and a roller is arranged at the bottom end of the inner supporting rod 10.
The rotating mechanism 14 comprises a bottom plate 141, a vertical plate 148 is fixedly mounted on the bottom plate 141, two central holes are formed in the vertical plate 148, a bearing seat 146 is fixedly mounted in each central hole, a rotating shaft 145 is rotatably mounted in each bearing seat 146 through a bearing, one end of the rotating shaft 145 is fixedly connected with a rotating sleeve 147, two driving assemblies are further fixedly mounted on the bottom plate 141, each driving assembly comprises a rotating motor 142 and a speed reducer 143, an output shaft of the rotating motor 142 is connected with an input shaft of the speed reducer 143, and an output shaft end of the speed reducer 143 is fixedly connected with one end of the corresponding rotating shaft 145 through a coupling 144.
The rotating sleeve 147 comprises a rotating plate 1471, one side of the rotating plate 1471 is coaxially and fixedly connected with a rotating wheel 1472, the rotating wheel 1472 is a conical ring, and the cone angle of the rotating wheel 1472 is 10 degrees.
The lifting frame 19 is sleeved on the upright post 16, a second threaded rod 17 is vertically arranged on the inner side of the upright post 16, the upper end and the lower end of the second threaded rod 17 are respectively and rotatably connected with the top part of the inner wall and the bottom part of the inner wall of the upright post 16 through bearings, a second lifting motor 18 is fixedly installed at the top of the upright post 16, the output shaft end of the second lifting motor 18 is fixedly connected with the top end of a second threaded rod 17, the second threaded rod 17 is in threaded connection with a nut 20, fixing rods 22 are fixedly mounted on two sides of the nut 20, vertical slots are respectively arranged on the side walls of the two sides of the upright post 16, one end of each fixing rod 22 far away from the nut 20 respectively penetrates through the corresponding vertical slot and is fixedly connected with the lifting frame 19, two pulleys 23 are rotatably mounted on two sides of the interior of the lifting frame 19, slide rails are fixedly mounted on two sides of the upright post 16, and the pulleys 23 are slidably connected with the slide rails.
The working method of the equipment specifically comprises the following steps:
step one, two ends of a steel pipe are respectively placed on rotating wheels 1472 of two rotating mechanisms 14, a connecting trolley 13 with corresponding length is arranged between two moving trolleys 12 according to the length of the steel pipe for fixing, a cantilever rod 8 is placed in a sliding guide groove of a supporting block 153, one end of the cantilever rod 8 is fixed on a lifting frame 19, a spraying pipe 71 of an inner spraying machine 7 penetrates through a spraying hole 81 and extends out of the spraying hole 81, an air suction pipe 114 of an inner recovery mechanism 11 penetrates through a recovery hole 82 and extends out of the recovery hole 82, a first lifting motor 156 is started, the first lifting motor 156 drives a first threaded rod 155 to rotate through a belt pulley and a belt and drives the first threaded rod 155 to lift, the first threaded rod 155 drives the supporting block 153 to lift, meanwhile, a second lifting motor 18 is started, the second lifting motor 18 drives a second threaded rod 17 to rotate and drives a nut 20 to lift, the nut 20 drives the lifting frame 19 to lift through the fixed rod 22, drives the cantilever rod 8 to lift, and adjusts the height of the cantilever rod 8 according to the diameter of the steel pipe;
and step two, the steel pipe is driven to move towards one side of the inner spraying machine 7 through the movable trolley 12, one end of the cantilever rod 8 enters the steel pipe, the inner spraying machine 7 conveys the coating to a spray head through the spraying pipe 71 to be sprayed out, the rotating motor 142 is started, the rotating motor 142 drives the rotating shaft 145 to rotate, the rotating shaft 145 drives the rotating wheel 1472 to rotate and drive the steel pipe to rotate, the coating is uniformly sprayed on the steel pipe through the spray head, the air suction pump 113 is started, the air suction pump 113 starts to suck air, and redundant coating on the surface of the steel pipe is sucked into the recovery tank 112 through the air suction pipe 114 to be recovered.
The invention is characterized in that two ends of a steel pipe are respectively placed on rotating wheels 1472 of two rotating mechanisms 14, a connecting trolley 13 with corresponding length is arranged between two moving trolleys 12 according to the length of the steel pipe for fixing, a cantilever rod 8 is placed in a sliding guide groove of a supporting block 153, one end of the cantilever rod 8 is fixed on a lifting frame 19, a spraying pipe 71 of an inner spraying machine 7 penetrates through a spraying hole 81 and extends out of the spraying hole 81, an air suction pipe 114 of an inner recovery mechanism 11 penetrates through a recovery hole 82 and extends out of the recovery hole 82, a first lifting motor 156 is started, the first lifting motor 156 drives a first threaded rod 155 to rotate through a belt pulley and a belt and drives the first threaded rod 155 to lift, the first threaded rod 155 drives the supporting block 153 to lift, meanwhile, a second lifting motor 18 is started, the second lifting motor 18 drives a second threaded rod 17 to rotate and drives a nut 20 to lift, the nut 20 drives the lifting rack 19 to lift through the fixed rod 22, and drives the cantilever rod 8 to lift, and the height of the cantilever rod 8 is adjusted according to the pipe diameter of the steel pipe, the invention can carry out inner and outer spraying on the steel pipes with different lengths and different pipe diameters, has strong applicability, the inner and outer spraying equipment can simultaneously spray the inner and outer walls of the steel pipe with the diameter of 1420-;
according to the invention, the steel pipe is driven to move towards one side of the inner spraying machine 7 by the movable trolley 12, one end of the cantilever rod 8 enters the steel pipe, the inner spraying machine 7 conveys the coating to the spray head through the spraying pipe 71 to spray, the rotating motor 142 is started, the rotating motor 142 drives the rotating shaft 145 to rotate, the rotating shaft 145 drives the rotating wheel 1472 to rotate and drive the steel pipe to rotate, the coating is uniformly sprayed on the steel pipe through the spray head, the air suction pump 113 is started, the air suction pump 113 starts to suck air, and redundant coating on the surface of the steel pipe is sucked into the recovery tank 112 through the air suction pipe 114 to be recovered and utilized, so that resources are saved, the waste of resources is avoided.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A movable type internal and external spraying device for large-diameter steel pipes is characterized by comprising a guide channel (1), wherein the guide channel (1) sequentially penetrates through a first intermediate frequency coil (2), an EP (EP) spray gun chamber (3), a glue spraying chamber (4), a second intermediate frequency coil (5) and a PE (polyethylene) spray gun chamber (6), two moving trolleys (12) are arranged above one end of the guide channel (1), the bottoms of the two moving trolleys (12) are in sliding connection with the guide channel (1), the two moving trolleys (12) are fixedly connected through a connecting trolley (13), rotating mechanisms (14) are fixedly arranged on the two moving trolleys (12), the two rotating mechanisms (14) are symmetrically distributed, a steel pipe is arranged between the two rotating mechanisms (14), and the rotating mechanisms (14) are used for clamping the steel pipe and driving the steel pipe to rotate, the other end of the guide channel (1) is fixedly provided with an inner spraying machine (7), one side of the inner spraying machine (7) is fixedly provided with an upright post (16), a lifting frame (19) is movably arranged on the upright post (16) along the vertical direction, a cantilever rod (8) which is horizontally arranged is fixedly connected on the lifting frame (19), the cantilever rod (8) and the steel pipe are coaxially arranged, a spraying hole (81) and a recovery hole (82) are arranged in the cantilever rod (8) along the axial direction, the spray pipe (71) of the inner spray coater (7) passes through the spray hole (81) and extends out of the spray hole (81), a spray head is arranged at one end of the spray pipe (71) far away from the inner spray coater (7), an inner recovery mechanism (11) is arranged on the other side of the inner spraying machine (7), and an air suction pipe (114) of the inner recovery mechanism (11) penetrates through the recovery hole (82) and extends out of the recovery hole (82).
2. The mobile internal and external spraying equipment for the large-caliber steel pipes as claimed in claim 1, wherein the guide channel (1) is formed by fixedly splicing a plurality of guide rails end to end.
3. The movable internal and external spraying equipment for the large-diameter steel pipes as claimed in claim 1, wherein a support mechanism (15) for supporting the cantilever rod (8) is arranged on the guide channel (1), the support mechanism (15) comprises a translation trolley (151), a support column (152) is fixedly connected to the upper surface of the translation trolley (151), a support block (153) is movably mounted above the support column (152) along the vertical direction, a cavity is formed in the inner side of the support column (152), a mounting plate (154) is arranged in the cavity, the mounting plate (154) is fixedly connected with the support block (153) through two slide rods (157), the two slide rods (157) penetrate through the upper wall of the support column (152), the two slide rods (157) are in sliding fit with the upper wall of the support column (152), a threaded rod (155) is rotatably mounted in the middle of the bottom surface of the support block (153) through a bearing, the lower part of the first threaded rod (155) is rotatably connected with the mounting plate (154), the first threaded rod (155) is in threaded fit with the upper wall of the support column (152), the first mounting plate (154) is fixedly provided with a first lifting motor (156), an output shaft of the first lifting motor (156) is connected with the first threaded rod (155) through a belt pulley and a belt, the top of the support column (152) is provided with a sliding guide groove, and the support cantilever rod (8) is slidably mounted in the sliding guide groove.
4. The mobile internal and external coating equipment for large diameter steel pipe according to claim 1, wherein a PE recollecting machine (61) is provided at one side of the PE spray gun chamber (6), an EP recollecting machine (31) is provided at one side of the EP spray gun chamber (3), and a cooler (21) for cooling the first intermediate frequency coil (2) and the second intermediate frequency coil (5) is provided between the PE recollecting machine (61) and the EP recollecting machine (31).
5. The mobile internal and external spraying equipment for the large-caliber steel pipes as claimed in claim 1, wherein the lower side of one end of the cantilever bar (8) close to the spray head is provided with an internal support bar (10), and the bottom end of the internal support bar (10) is provided with a roller.
6. The mobile internal and external spraying equipment for the large-caliber steel pipe as claimed in claim 1, characterized in that the rotating mechanism (14) comprises a bottom plate (141), a vertical plate (148) is fixedly arranged on the bottom plate (141), two central holes are arranged on the vertical plate (148), bearing seats (146) are fixedly arranged in the two central holes, a rotating shaft (145) is rotatably arranged in the bearing seat (146) through a bearing, one end of the rotating shaft (145) is fixedly connected with a rotating sleeve (147), two driving components are fixedly arranged on the bottom plate (141), each driving component comprises a rotating motor (142) and a speed reducer (143), the output shaft of the rotating motor (142) is connected with the input shaft of the speed reducer (143), the output shaft end of the speed reducer (143) is fixedly connected with one end of the corresponding rotating shaft (145) through a coupling (144).
7. The mobile internal and external spraying equipment for the large-caliber steel pipes as claimed in claim 6, wherein the rotating sleeve (147) comprises a rotating plate (1471), a rotating wheel (1472) is coaxially and fixedly connected to one side of the rotating plate (1471), the rotating wheel (1472) is a conical ring, and the cone angle of the rotating wheel (1472) is 10 degrees.
8. The movable internal and external spraying equipment for the large-diameter steel pipe as claimed in claim 1, wherein the internal recovery mechanism (11) comprises a shell (111), a recovery tank (112) is fixedly installed at the bottom of the inner side of the shell (111), a suction pump (113) is fixedly installed on the inner wall of the upper side of the shell (111), an output port of the suction pump (113) faces downwards vertically, an input port of the suction pump (113) is fixedly connected with a suction pipe (114), and one end of the suction pipe (114) penetrates through the shell (111) and extends to the outer side of the shell (111).
9. The movable internal and external spraying equipment for the large-diameter steel pipes as claimed in claim 1, wherein the lifting frame (19) is sleeved on the stand column (16), a second threaded rod (17) is vertically arranged on the inner side of the stand column (16), the upper end and the lower end of the second threaded rod (17) are respectively rotatably connected with the top part and the bottom part of the inner wall of the stand column (16) through bearings, a second lifting motor (18) is fixedly arranged at the top part of the stand column (16), the output shaft end of the second lifting motor (18) is fixedly connected with the top end of the second threaded rod (17), a nut (20) is in threaded connection with the second threaded rod (17), fixing rods (22) are fixedly arranged on both sides of the nut (20), vertical grooves are respectively formed in the side walls on both sides of the stand column (16), and one ends, far away from the nut (20), of the two fixing rods (22) respectively penetrate through the corresponding vertical grooves and are fixedly, two pulleys (23) are installed in the inside both sides of crane (19) all to rotate, the equal fixed mounting in both sides of stand (16) has the slide rail, pulley (23) and slide rail sliding connection.
10. The mobile internal and external spraying equipment for the large-caliber steel pipes as claimed in any one of claims 1 to 9, wherein the working method of the equipment comprises the following steps:
step one, two ends of a steel pipe are respectively placed on rotating wheels (1472) of two rotating mechanisms (14), a connecting trolley (13) with corresponding length is arranged between two moving trolleys (12) according to the length of the steel pipe to be fixed, a cantilever rod (8) is placed in a sliding guide groove of a supporting block (153), one end of the cantilever rod (8) is fixed on a lifting frame (19), a spraying pipe (71) of an inner spraying machine (7) penetrates through a spraying hole (81) and extends out of the spraying hole (81), an air suction pipe (114) of an inner recovery mechanism (11) penetrates through a recovery hole (82) and extends out of the recovery hole (82), a first lifting motor (156) is started, the first lifting motor (156) drives a first threaded rod (155) to rotate through a belt pulley and a belt and drives the first threaded rod (155) to lift, the first threaded rod (155) drives the supporting block (153) to lift, simultaneously starting a second lifting motor (18), driving a second threaded rod (17) to rotate by the second lifting motor (18) and driving a nut (20) to lift, driving a lifting frame (19) to lift by the nut (20) through a fixed rod (22) and driving a cantilever rod (8) to lift, and adjusting the height of the cantilever rod (8) according to the diameter of the steel pipe;
and step two, the steel pipe is driven to move towards one side of the inner spraying machine (7) through the moving trolley (12), one end of the cantilever rod (8) enters the steel pipe, the inner spraying machine (7) conveys the coating to a spray head through the spraying pipe (71) to be sprayed out, the rotating motor (142) is started, the rotating motor (142) drives the rotating shaft (145) to rotate, the rotating shaft (145) drives the rotating wheel (1472) to rotate and drives the steel pipe to rotate, the coating is uniformly sprayed on the steel pipe through the spray head, the air suction pump (113) is started, the air suction pump (113) starts to suck air, and redundant coating on the surface of the steel pipe is sucked into the recovery tank (112) through the air suction pipe (114) to be recovered.
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| CN202011064786.5A CN112206946B (en) | 2020-09-30 | 2020-09-30 | Movable internal and external spraying equipment for large-diameter steel pipe |
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| CN202011064786.5A CN112206946B (en) | 2020-09-30 | 2020-09-30 | Movable internal and external spraying equipment for large-diameter steel pipe |
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| CN112206946A true CN112206946A (en) | 2021-01-12 |
| CN112206946B CN112206946B (en) | 2021-09-07 |
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| CN112403744A (en) * | 2021-01-22 | 2021-02-26 | 山东科技职业学院 | Large-scale construction pipeline inner wall spraying conveying equipment |
| CN112705390A (en) * | 2021-01-24 | 2021-04-27 | 裴海云 | Automatic spraying device for steel-plastic composite pipe |
| CN113083570A (en) * | 2021-04-01 | 2021-07-09 | 周玉云 | Intelligent inner wall spraying device |
| CN113117938A (en) * | 2021-05-26 | 2021-07-16 | 上海可沅建筑工程有限公司 | Steel pipe surface spraying equipment suitable for inner and outer walls for building |
| CN113198662A (en) * | 2021-03-29 | 2021-08-03 | 广汉华气防腐工程有限公司 | Environment-friendly spraying device for anti-corrosion pipeline |
| CN113522608A (en) * | 2021-07-08 | 2021-10-22 | 湖南天卓管业有限公司 | Intelligent epoxy powder anti-corrosion spiral steel pipe production equipment |
| CN114054275A (en) * | 2021-12-22 | 2022-02-18 | 徐州同乐管业有限公司 | Paint spraying device for inner and outer surfaces of steel pipe |
| CN114849940A (en) * | 2022-06-21 | 2022-08-05 | 湖南鼎辰管业有限公司 | Production line and process for spraying inside and outside of steel pipe |
| CN115090455A (en) * | 2022-07-20 | 2022-09-23 | 山东禹王管业有限公司 | Heavy-calibre steel pipe inner wall outer wall hot melt bonding epoxy powder coating device |
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| CN114849940A (en) * | 2022-06-21 | 2022-08-05 | 湖南鼎辰管业有限公司 | Production line and process for spraying inside and outside of steel pipe |
| CN115090455A (en) * | 2022-07-20 | 2022-09-23 | 山东禹王管业有限公司 | Heavy-calibre steel pipe inner wall outer wall hot melt bonding epoxy powder coating device |
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