CN115351670A - Drum-type pressure vessel rust removal device and application method thereof - Google Patents
Drum-type pressure vessel rust removal device and application method thereof Download PDFInfo
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- CN115351670A CN115351670A CN202211283093.4A CN202211283093A CN115351670A CN 115351670 A CN115351670 A CN 115351670A CN 202211283093 A CN202211283093 A CN 202211283093A CN 115351670 A CN115351670 A CN 115351670A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/006—Machines or devices using grinding or polishing belts; Accessories therefor for special purposes, e.g. for television tubes, car bumpers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a drum-type pressure vessel rust removal device and a using method thereof. The invention belongs to the technical field of polishing and rust removal, and particularly relates to a drum-type pressure vessel rust removal device and a use method thereof; the invention ensures that the grinding belt can be attached to the inner wall of the container without support through the magnetic field generated by the electrified coil, and realizes the replacement of the contact of the flexible grinding belt and the wall of the roller type pressure container during low-speed movement and the folding and recovery of the roller assembly during high-speed movement through the self-folding roller assembly capable of automatically extending and folding.
Description
Technical Field
The invention belongs to the technical field of polishing and rust removal, and particularly relates to a drum-type pressure vessel rust removal device and a using method thereof.
Background
The drum-type pressure vessel is generally cylindrical, the outer surface and the flat bottom surface are easy to polish and remove rust, but the cylindrical inner wall faces a plurality of problems in the polishing and rust removing process:
a: the inner wall of the drum-type pressure container is a curved surface, the grinding efficiency is low, if the grinding disc and the pressure container are coaxially arranged and are ground through the side surface of the grinding disc, the diameter of the grinding disc is far smaller than that of the pressure container, so that only a very small area can be ground at the same time;
b: in A, if the axis of the polishing disc is perpendicular to the polished surface, the polished surface is a plane and the polished surface is a curved surface, so that uneven polishing is easy to occur;
c: although the diameter of the pressure container is larger, the opening at the upper end is generally smaller, so that a large grinding tool cannot enter the pressure container without damaging the pressure container, and the angle position of a small tool is inconvenient to adjust.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the drum-type pressure vessel rust removal device which is small in volume, large in grinding range and large in effective action area at the same time and the use method thereof; in order to improve the efficiency and uniformity of polishing and rust removal, the inventor firstly thinks of an outer wall polishing method by using winding polishing, but the application of the method to inner wall polishing has several problems, namely, how to make the polishing belt be attached to the inner wall of a container without support, and secondly, after the polishing belt is attached to the inner wall of the container, the polishing belt is easy to pull off due to large friction force during low-speed movement; in order to solve the two problems, the invention creatively provides an electromagnetic coil adsorption type flexible grinding mechanism, and further provides a flexible grinding belt, an electromagnetic coil assembly and a self-folding roller assembly, wherein the grinding belt can be ensured to be attached to the inner wall of a container under the condition of no support through a magnetic field generated by an electrified coil, the contact between the flexible grinding belt and the wall of a drum-type pressure container is replaced through the self-folding roller assembly capable of automatically extending and folding during low-speed movement, so that the friction resistance is reduced to prevent pull-off, the self-folding roller assembly is folded and recovered during high-speed movement, the extrusion force required for grinding is provided through centrifugal force, and the sliding friction force applied to the flexible grinding belt by the wall of the drum-type pressure container is overcome through the inertia of the electromagnetic coil adsorption type flexible grinding mechanism.
The technical scheme adopted by the invention is as follows: the invention provides a rust removing device for a drum-type pressure container, which comprises an electromagnetic coil adsorption type flexible polishing mechanism, a direct-current power supply type driving mechanism and a tensioning adjusting mechanism, wherein the electromagnetic coil adsorption type flexible polishing mechanism is arranged on the direct-current power supply type driving mechanism and the tensioning adjusting mechanism in a rolling mode, the electromagnetic coil adsorption type flexible polishing mechanism can be adsorbed on the inner surface of the wall of the drum-type pressure container in a static and low-speed rotating state, and cannot be pulled to be separated from the surface of the wall of the drum-type pressure container due to overlarge rotating resistance in the initial starting stage, the tensioning adjusting mechanism is clamped and slidably arranged on the direct-current power supply type driving mechanism, and the length of a flexible polishing belt in a free section can be changed through sliding adjustment of the tensioning adjusting mechanism and the direct-current power supply type driving mechanism, so that the flexible polishing belt in one specification can be suitable for the wall of the drum-type pressure container within a certain range.
Furthermore, the electromagnetic coil adsorption type flexible polishing mechanism comprises a flexible polishing belt, an electromagnetic coil assembly and a self-folding roller assembly, wherein the electromagnetic coil assembly is arranged on an inner ring of the flexible polishing belt in an array mode, when the flexible polishing belt is in sliding contact with the wall of the drum-type pressure container and pressure exists, the inner surface of the wall of the drum-type pressure container can be polished and derusted, the self-folding roller assembly is arranged on the flexible polishing belt in an array mode, the self-folding roller assembly and the flexible polishing belt are not provided with other rigid connecting pieces except for a hinge point at a supporting rotating shaft of the polishing belt, and the self-folding roller assembly can ensure that when the flexible polishing belt is bent, the self-folding roller assembly cannot be damaged and cannot be blocked; the flexible polishing belt is provided with polishing belt notches in an array mode, and the flexible polishing belt is provided with a polishing belt supporting rotating shaft in the polishing belt notches.
Preferably, the solenoid coil subassembly includes flexible conducting ring and adsorption coil, flexible conducting ring array is located on the inner wall in flexible polishing area, adsorption coil array locates on the inner wall in flexible polishing area, the symmetry is equipped with the coil terminal on the adsorption coil, adsorption coil passes through the coil terminal and is connected with flexible conducting ring electricity, adsorption coil's direction and flexible conducting ring are perpendicular and be located between two sets of flexible conducting rings, can produce stable magnetic field when leading to the direct current among the adsorption coil, and this magnetic field can adsorb adsorption coil towards the pressure vessel wall, and adsorption coil's width is less, can reduce the influence to the bending property in flexible polishing area.
As a further preferred aspect of the present invention, the self-folding roller assembly includes a roller deflector rod, a resistance-reducing roller and a self-resetting spring plate, the self-folding roller assembly replaces the contact between the flexible polishing belt and the wall of the drum-type pressure container when the flexible polishing belt moves at a low speed, so as to avoid the problem of pulling off due to an excessive friction between the flexible polishing belt and the wall of the drum-type pressure container, the self-folding roller assembly is folded and recycled after the rotation speed is increased, the inertia of the flexible polishing belt can overcome the friction of the wall of the sliding drum-type pressure container to the flexible polishing belt, thereby avoiding the falling off, and the centrifugal force generated when the flexible polishing belt rotates can also make the flexible polishing belt and the wall of the drum-type pressure container fit to optimize the polishing effect, the roller deflector rod is provided with a deflector rod center hole, the utility model discloses a flexible grinding belt, including gyro wheel driving lever, flexible grinding belt and drum-type pressure vessel wall contact, gyro wheel driving lever, gyro wheel supporting shaft, gyro wheel driving lever, flexible grinding belt and drum-type pressure vessel wall contact, gyro wheel driving lever passes through the driving lever centre bore and rotates to be located on the grinding belt supports the pivot, the one end of gyro wheel driving lever is equipped with the gyro wheel crotch, it hinders the gyro wheel rotation to locate in the gyro wheel crotch to fall, the other end of gyro wheel driving lever is equipped with the driving lever windward plate, locate between driving lever windward plate and the inner wall of grinding groove notch from the shell fragment that restores to the throne, driving lever windward plate can overcome when receiving the air current striking from the elastic rotation of shell fragment that restores to the throne to the state of being parallel with flexible grinding belt, can also stretch out under the elastic action from the shell fragment when speed reduces, replaces flexible grinding belt and drum-type pressure vessel wall contact again, and then has avoided when not shutting down completely winding problem that the flexible grinding belt caused after droing from drum-type pressure vessel wall.
Further, the dc power supply type driving mechanism includes a main body fork assembly, an embedded driving assembly symmetrically disposed at an end of the main body fork assembly, and an original driving assembly rotatably disposed in the main body fork assembly.
Preferably, the main body fork frame assembly comprises a gantry type frame and a direct-current storage battery, frame tail hinged holes are symmetrically formed in the gantry type frame, a frame end portion cross rod is arranged at the tail end of the gantry type frame, frame end portion hinged holes are symmetrically formed in the frame end portion cross rod of the gantry type frame, a frame middle sliding rod is further arranged on the gantry type frame, a frame middle hinged hole is formed in the frame middle sliding rod of the gantry type frame, the direct-current storage battery is fixedly connected to the gantry type frame, power supply elastic pressing pieces are symmetrically arranged on the direct-current storage battery, the direct-current storage battery and the flexible conducting ring are electrically connected through the power supply elastic pressing pieces, and the flexible conducting ring can be guaranteed to be always kept in a good connection state with the direct-current storage battery in the movement process through the power supply elastic pressing pieces.
As a further preferable aspect of the present invention, the embedded driving assembly includes a driving wheel, a driven pulley, and a transmission belt, the driving wheel is rotatably disposed in a hinge hole at an end of the frame, a driving wheel step portion corresponding to the flexible conductive ring is disposed on the driving wheel, the driving wheel ensures stability of rolling contact by engaging the driving wheel step portion with the flexible conductive ring, the driven pulley is engaged with both ends of the driving wheel, and the transmission belt is rotatably disposed on the driven pulley.
As a further preferable mode of the present invention, the original transmission assembly includes a dual-shaft driving motor and a driving pulley, the dual-shaft driving motor is fixedly connected to the middle sliding rod of the rack, an output shaft of the dual-shaft driving motor is rotatably disposed in the middle hinge hole of the rack, the driving pulley is engaged with the output shaft of the dual-shaft driving motor, and the driving pulley and the driven pulley are in transmission connection through a transmission belt.
Furthermore, the tensioning adjusting mechanism comprises a sliding tensioning assembly and a tensioning adjusting assembly, the sliding tensioning assembly is clamped and slidably arranged on the direct current power supply type driving mechanism, and the tensioning adjusting assembly is symmetrically arranged on the sliding tensioning assembly; the sliding tensioning assembly comprises a sliding adjusting frame and driven rollers, an adjusting frame sliding buckle is arranged on the sliding adjusting frame, the sliding adjusting frame is arranged on the sliding rod in the middle of the rack in a sliding mode through an adjusting frame sliding buckle clamping mode, adjusting frame end hinge holes are symmetrically formed in the two ends of the sliding adjusting frame, the driven rollers are arranged in the adjusting frame end hinge holes in a rotating mode, and the driven rollers are in rolling contact with the outer wall of the flexible grinding belt.
Preferably, the tensioning adjusting assembly comprises a nut seat and an adjusting screw rod, the nut seat is fixedly connected to the sliding adjusting frame, the adjusting screw rod is in threaded connection with the nut seat, the adjusting screw rod is rotatably arranged in a hinged hole at the tail of the machine frame, when the inner diameter of the wall of the drum-type pressure container does not change greatly, the sliding positions of the sliding tensioning assembly and the gantry machine frame can be adjusted through the tensioning adjusting assembly, so that the free section length of the flexible grinding belt is adjusted, and when the inner diameter of the wall of the drum-type pressure container exceeds an adjusting range, the flexible grinding belts with different specifications are replaced.
The scheme also discloses a use method of the drum-type pressure vessel rust removal device, which mainly comprises the following steps:
the method comprises the following steps: firstly, selecting a flexible polishing belt with corresponding specification according to the diameter of the inner wall of a pressure container, then supplying power to an electromagnetic coil assembly through a direct-current storage battery, and generating a magnetic field at the position of an adsorption coil when direct current passes through a spiral adsorption coil so as to adsorb the flexible polishing belt and the flexible polishing belt towards a metal surface to be polished together, wherein the flexible polishing belt is not directly contacted with the surface to be polished due to the existence of a self-folding roller assembly;
step two: the relative position of the sliding adjusting frame and the gantry type frame is adjusted by rotating the adjusting screw rod, so that the length of the flexible polishing belt at the free section is changed until the flexible polishing belt can be smoothly attached to the surface to be polished;
step three: starting a double-shaft driving motor, driving a driven belt pulley and a driving rotating wheel to rotate by a driving belt pulley, and further driving an electromagnetic coil adsorption type flexible polishing mechanism to rotate by embedded rolling connection of a driving wheel step part and a flexible conducting ring;
step four: along with the increase of the rotation speed of the flexible grinding belt, the inertia force and the centrifugal force of the flexible grinding belt are increased, and along with the increase of the rotation speed, the air resistance borne by the windward plate of the deflector rod is increased, in the process, the roller deflector rod is folded towards the direction parallel to the flexible grinding belt, and the flexible grinding belt gradually approaches towards the ground surface until the roller deflector rod is completely contacted;
step five: after the grinding speed is stable, the cylindrical container inner surface can be integrally ground in a mode of vertically moving the gantry type rack.
The invention with the structure has the following beneficial effects:
(1) The electromagnetic coil adsorption type flexible grinding mechanism can be adsorbed on the inner surface of the wall of the drum-type pressure container in the static and low-speed rotating states, and can not be pulled to be separated from the surface of the wall of the drum-type pressure container due to overlarge rotating resistance in the initial starting stage;
(2) The length of the flexible grinding belt at the free section can be changed through the sliding adjustment of the tensioning adjusting mechanism and the direct-current power supply type driving mechanism, so that the flexible grinding belt with one specification can be suitable for the wall of a roller type pressure container within a certain range;
(3) The self-folding roller component and the flexible polishing belt are not provided with other rigid connecting pieces except for a hinge point at the supporting rotating shaft of the polishing belt, and the connecting mode can ensure that the self-folding roller component cannot be damaged when the flexible polishing belt is bent and the flexible polishing belt cannot be blocked by the self-folding roller component;
(4) When direct current is switched on the adsorption coil, a stable magnetic field can be generated, the adsorption coil can be adsorbed towards the wall of the drum-type pressure container by the magnetic field, the width of the adsorption coil is smaller, and the influence on the bending performance of the flexible grinding belt can be reduced;
(5) The deflector rod windward plate can overcome the elastic force of the self-reset elastic sheet to rotate to be parallel to the flexible polishing belt when being impacted by airflow, and can extend out under the elastic action of the self-reset elastic sheet when the speed is reduced to replace the flexible polishing belt to contact with the wall of the drum-type pressure container again, so that the winding problem caused by the fact that the flexible polishing belt falls off from the wall of the drum-type pressure container when the machine is not completely stopped is avoided;
(6) The self-folding roller component replaces the contact between the flexible grinding belt and the wall of the drum-type pressure container when the flexible grinding belt moves at a low speed, so that the problem of pull-off caused by overlarge friction force between the flexible grinding belt and the wall of the drum-type pressure container can be avoided, after the rotating speed is increased, the self-folding roller component is folded and recovered, the inertia of the flexible grinding belt can overcome the friction force of the wall of the sliding drum-type pressure container to the flexible grinding belt, and therefore the flexible grinding belt is prevented from falling off, and the centrifugal force generated when the flexible grinding belt rotates can enable the flexible grinding belt to be attached to the wall of the drum-type pressure container and optimize the grinding effect;
(7) The power supply elastic pressing sheet can ensure that the flexible conducting ring can always keep a good connection state with the direct-current storage battery during movement;
(8) When the inner diameter of the wall of the drum-type pressure container is not changed greatly, the sliding positions of the sliding tensioning assembly and the gantry frame can be adjusted through the tensioning adjusting assembly, so that the length of a free section of the flexible polishing belt is adjusted, and when the inner diameter of the wall of the drum-type pressure container exceeds an adjusting range, the flexible polishing belts with different specifications are replaced;
(9) The driving runner ensures the stability of rolling contact through the clamping of the step part of the driving wheel to the flexible conducting ring.
Drawings
FIG. 1 is a perspective view of a drum-type pressure vessel rust removal device provided by the invention;
FIG. 2 is a front view of a drum-type pressure vessel rust removal device provided by the invention;
FIG. 3 is a top view of a drum-type pressure vessel rust cleaning device provided by the invention;
FIG. 4 isbase:Sub>A cross-sectional view taken along section line A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along section line B-B of FIG. 4;
FIG. 6 is a cross-sectional view taken along section line C-C of FIG. 4;
FIG. 7 is a schematic structural diagram of an electromagnetic coil adsorption type flexible polishing mechanism of the drum-type pressure vessel rust removal device provided by the invention;
FIG. 8 is a schematic structural diagram of a direct current power supply type driving mechanism of a drum-type pressure vessel rust removal device provided by the invention;
FIG. 9 is a schematic structural diagram of a tension adjusting mechanism of a drum-type pressure vessel rust removing device provided by the invention;
FIG. 10 is an enlarged view of a portion of FIG. 4 at I;
FIG. 11 is an enlarged view of a portion of FIG. 6 at II;
FIG. 12 is an enlarged view of a portion of FIG. 3 at III;
fig. 13 is a partial enlarged view of the portion iv in fig. 7.
The flexible polishing device comprises a solenoid adsorption type flexible polishing mechanism 1, a solenoid coil adsorption type flexible polishing mechanism 2, a direct current power supply type driving mechanism 3, a tensioning adjusting mechanism 4, a drum-type pressure container wall 5, a flexible polishing belt 6, a solenoid coil assembly 7, a self-folding roller assembly 8, a polishing belt notch 9, a polishing belt supporting rotating shaft 10, a flexible conducting ring 11, an adsorption coil 12, a roller deflector rod 13, a resistance reducing roller 14, a self-resetting elastic sheet 15, a coil terminal 16, a deflector rod center hole 17, a roller fork frame 18, a deflector rod windward plate 19, a main body fork frame assembly 20, an embedded type driving assembly 21, an original driving assembly 22, a gantry type frame 23, a direct current storage battery 24, a driving rotating wheel 25, a driven belt pulley 26, a driving belt 27, a double-shaft driving motor 28, a driving belt pulley 29, a frame tail hinging hole 30, a frame end cross rod 31, a frame end hinging hole 32, a frame middle sliding rod 33, a frame middle hole 34, a power supply elastic pressing sheet 35, a driving wheel 36, a sliding adjusting assembly 37, a sliding adjusting assembly 38, a tensioning adjusting screw rod seat 40, a sliding adjusting screw rod seat 41, a nut adjusting seat 40 and a nut seat.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 13, the invention provides a rust removing device for a drum-type pressure container, which comprises an electromagnetic coil adsorption type flexible polishing mechanism 1, a direct current power supply type driving mechanism 2 and a tensioning adjusting mechanism 3, wherein the electromagnetic coil adsorption type flexible polishing mechanism 1 is arranged on the direct current power supply type driving mechanism 2 and the tensioning adjusting mechanism 3 in a rolling mode, the electromagnetic coil adsorption type flexible polishing mechanism 1 can be adsorbed on the inner surface of the drum-type pressure container wall 4 in a static and low-speed rotating state, and can not be pulled to be separated from the surface of the drum-type pressure container wall 4 due to overlarge rotation resistance in the initial starting stage, the tensioning adjusting mechanism 3 is clamped and slidably arranged on the direct current power supply type driving mechanism 2, and the length of a free-section flexible polishing belt 5 can be changed through the sliding adjustment of the tensioning adjusting mechanism 3 and the direct current power supply type driving mechanism 2, so that the flexible polishing belt 5 with one specification can be suitable for the drum-type pressure container wall 4 within a certain range.
The DC powered driving mechanism 2 comprises a main body fork assembly 19, a built-in driving assembly 20 and an original transmission assembly 21, wherein the built-in driving assembly 20 is symmetrically arranged at the end part of the main body fork assembly 19, and the original transmission assembly 21 is rotatably arranged in the main body fork assembly 19.
The main body fork frame assembly 19 comprises a gantry type frame 22 and a direct current storage battery 23, a frame tail hinge hole 29 is symmetrically arranged on the gantry type frame 22, a frame end cross rod 30 is arranged at the tail end of the gantry type frame 22, a frame end hinge hole 31 is symmetrically arranged on the frame end cross rod 30 of the gantry type frame 22, a frame middle slide rod 32 is further arranged on the gantry type frame 22, a frame middle hinge hole 33 is arranged on the frame middle slide rod 32 of the gantry type frame 22, the direct current storage battery 23 is fixedly connected onto the gantry type frame 22, power supply elastic pressing sheets 34 are symmetrically arranged on the direct current storage battery 23, the direct current storage battery 23 is electrically connected with the flexible conducting ring 10 through the power supply elastic pressing sheets 34, and the flexible conducting ring 10 can be guaranteed to be always kept in a good connection state with the direct current storage battery 23 during movement through the power supply elastic pressing sheets 34.
The embedded driving assembly 20 includes a driving wheel 24, a driven pulley 25 and a transmission belt 26, the driving wheel 24 is rotatably disposed in the hinge hole 31 at the end of the frame, a driving wheel step portion 35 corresponding to the flexible conductive ring 10 is disposed on the driving wheel 24, the driving wheel 24 ensures the stability of rolling contact with the flexible conductive ring 10 through the engagement of the driving wheel step portion 35, the driven pulley 25 is engaged with both ends of the driving wheel 24, and the transmission belt 26 is rotatably disposed on the driven pulley 25.
The original transmission assembly 21 comprises a double-shaft driving motor 27 and a driving belt pulley 28, the double-shaft driving motor 27 is fixedly connected to a middle sliding rod 32 of the rack, an output shaft of the double-shaft driving motor 27 is rotatably arranged in a middle hinge hole 33 of the rack, the driving belt pulley 28 is clamped on the output shaft of the double-shaft driving motor 27, and the driving belt pulley 28 is in transmission connection with the driven belt pulley 25 through a transmission belt 26.
The tensioning adjusting mechanism 3 comprises a sliding tensioning assembly 36 and a tensioning adjusting assembly 37, the sliding tensioning assembly 36 is clamped and slidably arranged on the direct current power supply type driving mechanism 2, and the tensioning adjusting assembly 37 is symmetrically arranged on the sliding tensioning assembly 36; the sliding tensioning assembly 36 comprises a sliding adjusting frame 38 and a driven roller 39, an adjusting frame sliding buckle 42 is arranged on the sliding adjusting frame 38, the sliding adjusting frame 38 is clamped and slidably arranged on the middle sliding rod 32 of the machine frame through the adjusting frame sliding buckle 42, adjusting frame end hinge holes 43 are symmetrically arranged at two ends of the sliding adjusting frame 38, the driven roller 39 is rotatably arranged in the adjusting frame end hinge holes 43, and the driven roller 39 is in rolling contact with the outer wall of the flexible grinding belt 5.
The tensioning adjusting assembly 37 comprises a nut seat 40 and an adjusting screw rod 41, the nut seat 40 is fixedly connected to the sliding adjusting frame 38, the adjusting screw rod 41 is in threaded connection with the nut seat 40, the adjusting screw rod 41 is rotatably arranged in the hinging hole 29 at the tail of the rack, when the inner diameter of the drum-type pressure container wall 4 does not change greatly, the sliding positions of the sliding tensioning assembly 36 and the gantry rack 22 can be adjusted through the tensioning adjusting assembly 37, so that the free section length of the flexible grinding belt 5 can be adjusted, and when the inner diameter of the drum-type pressure container wall 4 exceeds the adjusting range, the flexible grinding belts 5 of different specifications can be replaced.
The electromagnetic coil adsorption type flexible grinding mechanism 1 comprises a flexible grinding belt 5, an electromagnetic coil assembly 6 and a self-folding roller assembly 7, wherein the electromagnetic coil assembly 6 is arranged on an inner ring of the flexible grinding belt 5 in an array mode, when the flexible grinding belt 5 is in sliding contact with a drum-type pressure container wall 4 and pressure exists, the inner surface of the drum-type pressure container wall 4 can be ground and derusted, the self-folding roller assembly 7 is arranged on the flexible grinding belt 5 in an array mode, the position between the self-folding roller assembly 7 and the flexible grinding belt 5 except for a grinding belt supporting rotating shaft 9 is a hinge point, and other rigid connecting pieces are not arranged, so that when the flexible grinding belt 5 is bent, the self-folding roller assembly 7 cannot be damaged, and the self-folding roller assembly 7 cannot clamp the flexible grinding belt 5; the flexible polishing belt 5 is provided with polishing belt notches 8 in an array mode, and the flexible polishing belt 5 is provided with a polishing belt supporting rotating shaft 9 in the polishing belt notches 8.
The electromagnetic coil assembly 6 comprises a flexible conducting ring 10 and an adsorption coil 11, the flexible conducting ring 10 is arranged on the inner wall of the flexible polishing belt 5 in an array mode, the adsorption coil 11 is symmetrically provided with coil terminals 15, the adsorption coil 11 is electrically connected with the flexible conducting ring 10 through the coil terminals 15, the direction of the adsorption coil 11 is perpendicular to the flexible conducting ring 10 and is located between the two sets of flexible conducting rings 10, a stable magnetic field can be generated when direct current is conducted in the adsorption coil 11, the magnetic field can adsorb the adsorption coil 11 towards the wall 4 of the drum-type pressure container, the width of the adsorption coil 11 is small, and influences on the bending performance of the flexible polishing belt 5 can be reduced.
The self-folding roller component 7 comprises a roller deflector rod 12, a resistance reducing roller 13 and a self-resetting elastic sheet 14, the self-folding roller component 7 replaces the contact of the flexible grinding belt 5 and the wall 4 of the drum-type pressure container when the flexible grinding belt 5 moves at a low speed, the pulling-off problem caused by overlarge friction force between the flexible grinding belt 5 and the wall 4 of the drum-type pressure container can be avoided, after the rotating speed is improved, the self-folding roller component 7 is folded and recovered, the inertia of the flexible grinding belt 5 can overcome the friction force of the wall 4 of the sliding drum-type pressure container on the flexible grinding belt 5, so as to avoid falling off, and the centrifugal force generated when the flexible grinding belt 5 rotates can also enable the flexible grinding belt 5 and the wall 4 of the drum-type pressure container to be attached, the grinding effect is optimized, the roller deflector rod 12 is provided with a deflector rod central hole 16, the roller deflector rod 12 is rotatably arranged on the grinding belt supporting rotating shaft 9 through a deflector rod center hole 16, one end of the roller deflector rod 12 is provided with a roller fork frame 17, the resistance reducing roller 13 is rotatably arranged in the roller fork frame 17, the other end of the roller deflector rod 12 is provided with a deflector rod windward plate 18, the self-resetting elastic sheet 14 is arranged between the deflector rod windward plate 18 and the inner wall of the grinding belt notch 8, the deflector rod windward plate 18 can overcome the elastic force of the self-resetting elastic sheet 14 when being impacted by airflow and rotate to be parallel to the flexible grinding belt 5, the deflector rod windward plate can also stretch out under the elastic action of the self-resetting elastic sheet 14 when the speed is reduced, the contact between the flexible grinding belt 5 and the drum-type pressure container wall 4 is replaced again, and the winding problem caused after the drum-type pressure container wall 4 is fallen off by the flexible grinding belt 5 when the drum-type pressure container is not completely stopped is further avoided.
When the flexible polishing belt is used specifically, a user firstly needs to select the flexible polishing belt 5 with corresponding specification according to the diameter of the inner wall of the pressure container, then the power is supplied to the electromagnetic coil assembly 6 through the direct current storage battery 23, when direct current passes through the spiral adsorption coil 11, a magnetic field is generated at the position of the adsorption coil 11, so that the flexible polishing belt 5 and the flexible polishing belt 5 are adsorbed towards the metal surface to be polished together, and at the moment, due to the existence of the self-folding roller assembly 7, the flexible polishing belt 5 is not directly contacted with the surface to be polished;
the outer part of the position, close to the container port, of the main body fork frame assembly 19 is connected with a lifting mechanism, the relative position of the sliding adjusting frame 38 and the gantry type frame 22 is adjusted by rotating the adjusting screw 41, so that the length of the flexible grinding belt 5 at a free section is changed until the flexible grinding belt 5 can be smoothly attached to the surface to be ground, and in the grinding and rust removing processes, the device can be driven to integrally move by the lifting of the outer lifting mechanism, so that the inner surface of the whole cylinder is covered and rust removed;
starting a double-shaft driving motor 27, driving a driven belt pulley 25 and a driving rotating wheel 24 to rotate by a driving belt pulley 28 through a driving belt 26, and further driving the electromagnetic coil adsorption type flexible grinding mechanism 1 to rotate through embedded rolling connection of a driving wheel step part 35 and a flexible conductive ring 10, wherein at the moment, because the electromagnetic coil adsorption type flexible grinding mechanism 1 is attached to a surface to be ground, and the driving wheel step part 35 and the flexible conductive ring 10 are in embedded connection, the pre-pressure between the driving rotating wheel 24 and the flexible conductive ring 10 is enough to slowly start the flexible grinding belt 5;
along with the increase of the rotation speed of the flexible grinding belt 5, the inertia force and the centrifugal force of the flexible grinding belt 5 are increased, and along with the increase of the rotation speed, the air resistance on the shifting rod windward plate 18 is increased, in the process, the roller shifting rod 12 is folded towards the direction parallel to the flexible grinding belt 5, and the flexible grinding belt 5 gradually approaches towards the ground surface until the flexible grinding belt 5 is completely contacted;
after the polishing speed is stabilized, the entire inner surface of the cylindrical container can be polished by moving the gantry 22 up and down.
The above is the overall working process of the invention, and the steps are repeated when the device is used next time.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a drum-type pressure vessel rust cleaning device which characterized in that: the electromagnetic coil adsorption type flexible polishing device comprises an electromagnetic coil adsorption type flexible polishing mechanism (1), a direct current power supply type driving mechanism (2) and a tensioning adjusting mechanism (3), wherein the electromagnetic coil adsorption type flexible polishing mechanism (1) is arranged on the direct current power supply type driving mechanism (2) and the tensioning adjusting mechanism (3) in a rolling mode, and the tensioning adjusting mechanism (3) is arranged on the direct current power supply type driving mechanism (2) in a clamping and sliding mode; the electromagnetic coil adsorption type flexible polishing mechanism (1) comprises a flexible polishing belt (5), an electromagnetic coil assembly (6) and a self-folding roller assembly (7), wherein the electromagnetic coil assembly (6) is arranged on an inner ring of the flexible polishing belt (5) in an array mode, and the self-folding roller assembly (7) is arranged on the flexible polishing belt (5) in an array mode; the flexible polishing belt is characterized in that polishing belt notches (8) are formed in the flexible polishing belt (5) in an array mode, and a polishing belt supporting rotating shaft (9) is arranged in the polishing belt notches (8) of the flexible polishing belt (5).
2. The rust removing device for the drum-type pressure vessel as claimed in claim 1, wherein: solenoid subassembly (6) are including flexible conducting ring (10) and absorption coil (11), flexible conducting ring (10) array is located on the inner wall of flexible band (5) of polishing, absorption coil (11) array is located on the inner wall of flexible band (5) of polishing, the symmetry is equipped with coil terminal (15) on absorption coil (11), absorption coil (11) are connected through coil terminal (15) and flexible conducting ring (10) electricity, the direction of absorption coil (11) just is located between two sets of flexible conducting ring (10) perpendicularly with flexible conducting ring (10).
3. The rust removing device for the drum-type pressure vessel as claimed in claim 2, wherein: from folding roller subassembly (7) including gyro wheel driving lever (12), fall and hinder gyro wheel (13) and from restoring to the throne shell fragment (14), be equipped with driving lever centre bore (16) on gyro wheel driving lever (12), gyro wheel driving lever (12) are rotated through driving lever centre bore (16) and are located on grinding belt support pivot (9), the one end of gyro wheel driving lever (12) is equipped with gyro wheel crotch (17), fall and hinder gyro wheel (13) and rotate and locate in gyro wheel crotch (17), the other end of gyro wheel driving lever (12) is equipped with driving lever windward plate (18), locate between the inner wall of driving lever windward plate (18) and grinding belt notch (8) from restoring to the throne shell fragment (14), windward plate (18) can overcome when receiving the air current striking from the rotatory elasticity of restoring to the state parallel with flexible grinding belt (5) of shell fragment (14).
4. A rust removing device for drum-type pressure vessels, as claimed in claim 3, wherein: the direct current power supply type driving mechanism (2) comprises a main body fork frame assembly (19), an embedded driving assembly (20) and an original transmission assembly (21), wherein the embedded driving assembly (20) is symmetrically arranged at the end part of the main body fork frame assembly (19), and the original transmission assembly (21) is rotatably arranged in the main body fork frame assembly (19).
5. The rust removing device for the drum-type pressure vessel as claimed in claim 4, wherein: the main body fork frame assembly (19) comprises a gantry type frame (22) and a direct current storage battery (23), a frame tail hinged hole (29) is symmetrically formed in the gantry type frame (22), a frame end portion cross rod (30) is arranged at the tail end of the gantry type frame (22), a frame end portion hinged hole (31) is symmetrically formed in the frame end portion cross rod (30) of the gantry type frame (22), a frame middle sliding rod (32) is further arranged on the gantry type frame (22), a frame middle hinged hole (33) is formed in the frame middle sliding rod (32) of the gantry type frame (22), the direct current storage battery (23) is fixedly connected to the gantry type frame (22), a power supply elastic pressing sheet (34) is symmetrically formed in the direct current storage battery (23), and the flexible conducting ring (10) are electrically connected through the power supply elastic pressing sheet (34).
6. The rust removing device for the drum-type pressure vessel as claimed in claim 5, wherein: embedded driving assembly (20) are including drive runner (24), driven pulley (25) and driving belt (26), drive runner (24) rotate locate frame tip hinge hole (31), be equipped with on drive runner (24) with corresponding drive wheel step portion (35) of flexible conducting ring (10), the stability of rolling contact is guaranteed through drive wheel step portion (35) to the block of flexible conducting ring (10) in drive runner (24), the both ends of drive runner (24) are located in driven pulley (25) block, driving belt (26) roll is located on driven pulley (25).
7. The rust removing device for the drum-type pressure vessel as claimed in claim 6, wherein: original drive assembly (21) include biax driving motor (27) and drive pulley (28), biax driving motor (27) rigid coupling is on slide bar (32) in the middle of the frame, the output shaft of biax driving motor (27) rotates and locates in the middle of the frame articulated hole (33), drive pulley (28) block is located on the output shaft of biax driving motor (27), pass through driving belt (26) transmission connection between drive pulley (28) and driven pulley (25).
8. The rust removing device for the drum-type pressure vessel as claimed in claim 7, wherein: the tensioning adjusting mechanism (3) comprises a sliding tensioning assembly (36) and a tensioning adjusting assembly (37), the sliding tensioning assembly (36) is clamped and slidably arranged on the direct-current power supply type driving mechanism (2), and the tensioning adjusting assembly (37) is symmetrically arranged on the sliding tensioning assembly (36); slip tensioning subassembly (36) including slip adjustment frame (38) and driven roller (39), be equipped with adjustment frame thread slipping (42) on slip adjustment frame (38), slip adjustment frame (38) slide through adjustment frame thread slipping (42) block and locate on frame middle slide bar (32), the both ends symmetry of slip adjustment frame (38) is equipped with adjustment frame tip hinge hole (43), driven roller (39) rotate locate in adjustment frame tip hinge hole (43), the outer wall rolling contact of driven roller (39) and flexible belt (5) of polishing.
9. The rust removing device for the drum-type pressure vessel as claimed in claim 8, wherein: tensioning adjusting part (37) include nut seat (40) and adjusting screw (41), nut seat (40) rigid coupling is on slip adjusting bracket (38), adjusting screw (41) and nut seat (40) threaded connection, adjusting screw (41) rotate locate in frame afterbody hinge hole (29).
10. The use method of the roller type pressure vessel rust removing device as claimed in claim 9, characterized by comprising the following steps:
the method comprises the following steps: firstly, selecting a flexible polishing belt (5) with corresponding specification according to the diameter of the inner wall of a pressure container, then supplying power to an electromagnetic coil assembly (6) through a direct-current storage battery (23), and when direct current passes through a spiral adsorption coil (11), generating a magnetic field at the position of the adsorption coil (11) so as to adsorb the flexible polishing belt (5) and the flexible polishing belt towards a metal surface to be polished, wherein at the moment, the flexible polishing belt (5) is not directly contacted with the surface to be polished due to the existence of a self-folding roller assembly (7);
step two: the relative position of the sliding adjusting frame (38) and the gantry type frame (22) is adjusted in a mode of rotating the adjusting screw rod (41), so that the length of the flexible polishing belt (5) at the free section is changed until the flexible polishing belt (5) can be flatly attached to the surface to be polished;
step three: starting a double-shaft driving motor (27), driving a driven belt pulley (25) and a driving rotating wheel (24) to rotate by a driving belt (26) through a driving belt (28), and further driving an electromagnetic coil adsorption type flexible grinding mechanism (1) to rotate through embedded rolling connection of a driving wheel step part (35) and a flexible conductive ring (10), wherein at the moment, the electromagnetic coil adsorption type flexible grinding mechanism (1) is attached to a surface to be ground, and the driving wheel step part (35) and the flexible conductive ring (10) are in embedded connection, so that the pre-pressure between the driving rotating wheel (24) and the flexible conductive ring (10) is enough to slowly start the flexible grinding belt (5);
step four: along with the increase of the rotation speed of the flexible grinding belt (5), the inertia force and the centrifugal force of the flexible grinding belt (5) are increased, and along with the increase of the rotation speed, the air resistance on the shifting rod windward plate (18) is increased, in the process, the roller shifting rod (12) is folded towards the direction parallel to the flexible grinding belt (5), and the flexible grinding belt (5) gradually approaches towards the ground surface until the flexible grinding belt is completely contacted;
step five: after the grinding speed is stable, the whole inner surface of the cylindrical container can be ground in a mode of moving the gantry type rack (22) up and down.
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| CN202211283093.4A CN115351670B (en) | 2022-10-20 | 2022-10-20 | Drum-type pressure vessel rust removal device and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211283093.4A CN115351670B (en) | 2022-10-20 | 2022-10-20 | Drum-type pressure vessel rust removal device and application method thereof |
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| CN115351670B CN115351670B (en) | 2023-03-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115490191A (en) * | 2022-11-21 | 2022-12-20 | 江苏宏程重工有限公司 | Inside foldable lift of pressure vessel |
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| CN115351670B (en) | 2023-03-10 |
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