CN113400201B

CN113400201B - High-pressure water rust removal device for inner and outer walls of metal bent pipe

Info

Publication number: CN113400201B
Application number: CN202110778057.4A
Authority: CN
Inventors: 田乾; 谢占山; 施卫东; 史周浩; 张庆宏
Original assignee: Nantong University
Current assignee: Shenzhen Dragon Totem Technology Achievement Transformation Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-02-25
Anticipated expiration: 2041-07-09
Also published as: CN113400201A

Abstract

The invention relates to the technical field of metal rust removal, in particular to a high-pressure water rust removal device for the inner wall and the outer wall of a metal bent pipe. The beneficial effects are that: the device can be adapted to the metal return bend of different angle of buckling, thereby carry out the no dead angle rust cleaning to the inside and outside wall of metal return bend, also can derust to metal straight tube and metal pole equally, the rust cleaning commonality is better, the device rust cleaning process is in the enclosure space, pollutants such as waste water that the rust cleaning process produced are more convenient to be collected, consequently, the pollution is littleer, the required area of reduction operation that also can be better, the device not only supports the manual input instruction of workman and washs the operation, and when carrying out the operation of removing rust in succession to the return bend of the same model, can adopt the mode of programming in advance to carry out automatic cleaning operation, thereby can effectual reduction workman's manipulation strength.

Description

High-pressure water rust removal device for inner and outer walls of metal bent pipe

Technical Field

The invention relates to the technical field of metal rust removal, in particular to a high-pressure water rust removal device for the inner wall and the outer wall of a metal bent pipe.

Background

After the metal pipe fitting is used for a long time, the metal wall surface is corroded due to the fact that the metal wall surface is in contact with air or other corrosive substances for a long time due to the fact that a protective paint layer is lacked on the metal wall surface or the protective paint layer falls off. If the rust is left to continue, the metal pipe gradually reduces the structural strength of the metal pipe and loses the service function, so that the metal pipe needs to be periodically repaired and maintained, the rust layer on the surface of the metal pipe is removed, and then the rust-proof paint layer is brushed again to prevent the rust from continuing. The existing modes for carrying out surface rust removal on the metal pipe fitting comprise polishing rust removal, rust removal liquid soaking rust removal, high-pressure water rust removal and the like, wherein the cost of the high-pressure water rust removal is lower, the environment is more environment-friendly, and the application range is wider and wider at present.

The existing high-pressure water rust removal equipment is difficult to perform good rust removal operation on the inner wall and the outer wall of the elbow due to the lack of related structural design, particularly, the existing high-pressure water rust removal equipment cannot completely remove rust at dead corners of bending regions of the inner wall of the elbow, and cannot effectively match the elbow with different bending degrees to remove rust, so that the existing high-pressure water rust removal equipment is difficult to use when removing rust on the inner wall and the outer wall of the elbow.

Disclosure of Invention

The invention aims to provide a high-pressure water rust removal device for the inner and outer walls of a metal bent pipe, and the device is used for solving the problem that the conventional high-pressure water rust removal equipment in the background art lacks good rust removal capability for the inner and outer walls of the metal bent pipe with different bending degrees.

In order to achieve the purpose, the invention provides the following technical scheme: a high-pressure water rust removing device for the inner and outer walls of a metal bent pipe comprises a shell, wherein a cleaning cavity is formed inside the shell, and the bottom of the cleaning cavity is provided with an overturning clamping device for clamping the bent pipe through a lifting push rod;

the left side of the shell is driven by a first rotating motor to be provided with a rotating frame inserted into the cleaning cavity, a moving seat is slidably mounted on the rotating frame through a guide rail, an adjusting motor is fixedly mounted on the moving seat through a bolt, the output end of the adjusting motor is driven by a driving wheel, a rack meshed and connected with the driving wheel is integrally formed on the guide rail, connecting frames are fixedly mounted on the upper side and the lower side of the moving seat corresponding to the bent pipe, and a high-pressure nozzle used for spraying high-pressure water to the outer wall surface of the bent pipe is fixedly mounted on each connecting frame;

the right side of the shell is driven by a second rotating motor to be provided with an installation seat inserted into the cleaning cavity, the installation seat is driven by an adjusting push rod to be provided with an installation frame, a hard pipe capable of being inserted into the elbow is tightly clamped and installed on the installation frame, and the tail end of the hard pipe is provided with an inclined bidirectional nozzle capable of spraying high-pressure water to the inner wall surface of the elbow;

the water supply device is characterized in that a water supply pump for supplying high-pressure water to the inclined bidirectional nozzle and the high-pressure nozzle is fixedly installed on the shell through bolts, a controller is fixedly installed at the front end of the shell through bolts, and the controller is electrically connected with the water supply pump, the first rotating motor, the second rotating motor, the adjusting motor, the lifting push rod and the adjusting push rod through cables.

Preferably, the rear end of casing has hot-blast case through bolt fixed mounting, and the air inlet fixed mounting of hot-blast case has the pump of admitting air, wash the intracavity through screw fixed mounting have with the air jet head of the exit end intercommunication of hot-blast case, and the upper end fixed mounting of casing have with wash the exhaust pump of chamber intercommunication, be provided with the heating wire in the hot-blast case, and the controller pass through the cable respectively with pump of admitting air, exhaust pump and hot-blast case electric connection.

Preferably, upset clamping device includes the lift seat that passes through bolt fixed mounting with lift push rod's output, and has the upset motor through bolt fixed mounting on the lift seat, the output drive of upset motor has the roll-over stand, and the symmetry installs a pair of centre gripping push rod on the roll-over stand, the output of centre gripping push rod passes through anchor clamps centre gripping return bend, and the controller pass through the cable respectively with upset motor and centre gripping push rod electric connection.

Preferably, the front end of the shell is provided with a sealing cover, the sealing cover is provided with a pull handle convenient for opening the sealing cover through a screw, and the sealing cover is fixedly provided with a transparent window convenient for observing the inside of the shell.

Preferably, a drain pipe communicated with the bottom of the cleaning cavity is fixed at the bottom of the shell, and the bottom of the shell is fixed on the ground through a base.

Preferably, the controller is an S7-200 type PLC device, the first rotating motor, the second rotating motor and the adjusting motor are stepping motors, and the lifting push rod and the adjusting push rod are ball screw type electric push rods or single-rod double-acting hydraulic push rods.

Preferably, the guide rail is a T-shaped guide rail, and the rotating frame is an L-shaped rod.

Compared with the prior art, the invention has the beneficial effects that:

1. the device can be suitable for metal bent pipes with different bending angles, so that the inner and outer walls of the metal bent pipe can be subjected to dead-angle-free rust removal, and the metal straight pipe and the metal rod can also be subjected to rust removal, so that the rust removal universality is better;

2. the device is in a closed space in the rust removing process, and pollutants such as waste water and the like generated in the rust removing process are collected more conveniently, so that the pollution is less, and the occupied area required by operation can be reduced better;

3. the device not only supports the manual input instruction of the worker to carry out the cleaning operation, but also can adopt the mode programmed in advance to carry out the automatic cleaning operation when carrying out the continuous rust removing operation on the bent pipes of the same model, thereby effectively reducing the operation intensity of the worker and having very high practical value.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the mounting of the turret and mount of the present invention;

fig. 4 is a schematic structural diagram of the turnover clamping device of the present invention.

In the figure: 1. a housing; 2. a controller; 3. a base; 4. a drain pipe; 5. a water supply pump; 6. turning over the clamping device; 601. a lifting seat; 602. turning over a motor; 603. a roll-over stand; 604. clamping the push rod; 605. a clamp; 7. an intake pump; 8. a hot air box; 9. an exhaust pump; 10. sealing the cover; 11. pulling a handle; 12. a driving wheel; 13. a movable seat; 14. a first rotating electrical machine; 15. adjusting the motor; 16. a rack; 17. a lifting push rod; 18. a guide rail; 19. obliquely placing a bidirectional spray head; 20. a connecting frame; 21. a cleaning chamber; 22. a mounting frame; 23. a rigid tube; 24. a second rotating electrical machine; 25. a mounting seat; 26. adjusting the push rod; 27. a high pressure spray head; 28. bending the pipe; 29. a rotating frame; 30. a gas showerhead.

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 obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a high-pressure water rust removing device for the inner and outer walls of a metal bent pipe comprises a shell 1, wherein a cleaning cavity 21 is formed inside the shell 1, the bottom of the cleaning cavity 21 is provided with an overturning clamping device 6 used for clamping the bent pipe 28 through a lifting push rod 17, and the overturning clamping device 6 is used for adjusting the height and the inclined position of the bent pipe 28;

referring to fig. 4, the flipping clamp device 6 includes a lifting base 601 fixedly mounted with an output end of the lifting push rod 17 through a bolt, and a flipping motor 602 is fixedly mounted on the lifting base 601 through a bolt, an output end of the flipping motor 602 drives a flipping frame 603, and a pair of clamping push rods 604 are symmetrically mounted on the flipping frame 603, an output end of the clamping push rod 604 clamps the elbow 28 through a clamp 605, and the controller 2 is electrically connected with the flipping motor 602 and the clamping push rod 604 through cables, respectively, the flipping motor 602 is a stepping motor, and the clamping push rod 604 is a ball screw rod type electric push rod;

referring to fig. 2 and 3, a rotating frame 29 inserted into the cleaning cavity 21 is driven by a first rotating motor 14 at the left side of the housing 1, a moving seat 13 is slidably mounted on the rotating frame 29 through a guide rail 18, an adjusting motor 15 is fixedly mounted on the moving seat 13 through a bolt, an output end of the adjusting motor 15 drives a driving wheel 12, a rack 16 engaged with the driving wheel 12 is integrally formed on the guide rail 18, connecting frames 20 are fixedly mounted on the upper and lower sides of the moving seat 13 corresponding to the elbow 28, and a high-pressure nozzle 27 for spraying high-pressure water to the outer wall surface of the elbow 28 is fixedly mounted on the connecting frame 20;

referring to fig. 2, the right side of the housing 1 is driven by a second rotating motor 24 to have an installation base 25 inserted into the cleaning cavity 21, the installation base 25 is driven by an adjusting push rod 26 to have an installation frame 22, the installation frame 22 is tightly clamped with a hard pipe 23 inserted into the elbow 28, and the tail end of the hard pipe 23 is provided with an inclined bidirectional nozzle 19 capable of spraying high-pressure water to the inner wall of the elbow 28;

a water supply pump 5 for supplying high-pressure water to the inclined bidirectional nozzle 19 and the high-pressure nozzle 27 is fixedly arranged on the shell 1 through bolts, a controller 2 is fixedly arranged at the front end of the shell 1 through bolts, the controller 2 is respectively and electrically connected with the water supply pump 5, the first rotating motor 14, the second rotating motor 24, the adjusting motor 15, the lifting push rod 17 and the adjusting push rod 26 through cables, the controller 2 is an S7-200 type PLC device, the first rotating motor 14, the second rotating motor 24 and the adjusting motor 15 are all stepping motors, and the lifting push rod 17 and the adjusting push rod 26 are both ball screw type electric push rods or single-rod double-acting hydraulic push rods;

referring to fig. 1 and 2, a sealing cover 10 is mounted at the front end of a housing 1, a pull handle 11 for opening the sealing cover 10 is mounted on the sealing cover 10 through a screw, a transparent window for observing the inside of the housing 1 is fixedly mounted on the sealing cover 10, a drain pipe 4 communicated with the bottom of a cleaning cavity 21 is fixed at the bottom of the housing 1, the bottom of the housing 1 is fixed on the ground through a base 3, a guide rail 18 is a T-shaped guide rail, and a rotating frame 29 is an L-shaped rod.

The rear end of casing 1 has hot-blast case 8 through bolt fixed mounting, and the air inlet fixed mounting of hot-blast case 8 has air intake pump 7, there is the air jet head 30 with the exit end intercommunication of hot-blast case 8 through screw fixed mounting in the washing chamber 21, and the upper end fixed mounting of casing 1 has the air pump 9 with washing chamber 21 intercommunication, be provided with the heating wire in the hot-blast case 8, and controller 2 pass through the cable respectively with air intake pump 7,

air pump

9 and 8 electric connection of hot-blast case, hot-blast that 8 hot-blast cases produced can be dried washing chamber 21 inside, thereby make things convenient for the maintenance after the operation.

The working principle is as follows: when the device is used, firstly the cover 10 is opened, then one end of the elbow 28 is clamped on the overturning and clamping device 6, and then the other end which is not clamped on the elbow 28 is overturned to the horizontal position through the overturning motor 602, so that the other end which is not clamped on the elbow 28 can be automatically adapted no matter how much the bending angle of the elbow 28 is, and then the other end which is not clamped on the elbow 28 is pushed to the position concentric with the mounting seat 25 through the lifting push rod 17. Then the high-pressure nozzle 27 starts to spray high-pressure water to the unclamped section of the elbow 28 for derusting operation, the high-pressure nozzle 27 is driven to move along the guide rail 18 by the adjusting motor 15 while spraying high-pressure water, and the rotating frame 29 is driven to periodically rotate forwards and backwards for 180 degrees by the first rotating motor 14, so that the outer surface of the unclamped end of the elbow 28 can be subjected to comprehensive derusting treatment by the high-pressure nozzles 27 respectively arranged on the two connecting frames 20. After the rust removal of the outer surface is completed, the high-pressure nozzle 27 stops spraying water, moves to a non-working position under the driving of the adjusting motor 15 and the first rotating motor 14, then the inclined bidirectional nozzle 19 starts spraying high-pressure water, and is gradually inserted into the inner part of the non-clamping end of the elbow 28 under the driving of the adjusting push rod 26, and in the inserting process, the second rotating motor 24 periodically performs forward and reverse rotation for 360 degrees, so that the high-pressure water spraying rust removal is performed on the inner wall surface of the elbow 28 by utilizing the forward and backward two nozzles, and because the two nozzles on the inclined bidirectional nozzle 19 are both in an inclined state, the sprayed water flow can be better sprayed to the inner wall surface, and when the inclined bidirectional nozzle 19 is inserted to the bending part of the elbow 28, the favorable rust removal can be performed on the dead angle of the inner wall surface of the elbow 28 by effectively utilizing the backward spraying nozzles on the inclined bidirectional nozzle 19, after the inner wall surface is derusted, the inclined bidirectional nozzle 19 stops spraying water and returns to a non-working position under the driving of the adjusting push rod 26. In the device, electromagnetic flow valves electrically connected with the controller 2 are respectively installed at corresponding water supply positions of the high-pressure spray head 27 and the inclined bidirectional spray head 19, so that the controller 2 can be used for controlling the working states of the high-pressure spray head 27 and the inclined bidirectional spray head 19, and waste water generated in the cleaning process can be discharged through the drain pipe 4. After the rust removal of the one end of return bend 28 is accomplished, operating personnel opens closing cap 10 and then changes the position of pressing from both sides dress to the other end of return bend 28, thereby the other end on the return bend 28 rust cleaning can, when return bend 28 is derusted completely and equipment need not work again, can also inject the air into hot-blast case 8 through air intake pump 7, the air spouts in the washing chamber 21 through the jet 30 of distribution in washing chamber 21 after the heating wire heating in the hot-blast case 8, thereby wash the interior remaining moisture of chamber 21 that makes and can evaporate and discharge by exhaust pump 9, thereby make things convenient for the maintenance and the save to equipment through the drying to this equipment is inside. The device convenient to use can be convenient for carry out comprehensive rust cleaning operation to the interior outer wall of metal return bend, and the device also can be applied to the rust cleaning operation to metal straight tube or metal pole in addition, also can carry out automatic operation through programming in advance when carrying out the rust cleaning to the metal return bend of the same model, and the device can adapt to the metal return bend of different bending degree in addition, and consequently the commonality is stronger, has very high practical value.

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.

Claims

1. The utility model provides a metal return bend inside and outside wall water under high pressure rust cleaning device which characterized in that: the cleaning device comprises a shell (1) with a cleaning cavity (21) formed inside, wherein the bottom of the cleaning cavity (21) is provided with a turnover clamping device (6) for clamping a bent pipe (28) through a lifting push rod (17);

the cleaning device is characterized in that a rotating frame (29) inserted into a cleaning cavity (21) is driven on the left side of the shell (1) through a first rotating motor (14), a moving seat (13) is slidably mounted on the rotating frame (29) through a guide rail (18), an adjusting motor (15) is fixedly mounted on the moving seat (13) through a bolt, an output end of the adjusting motor (15) drives a driving wheel (12), a rack (16) meshed and connected with the driving wheel (12) is integrally formed on the guide rail (18), connecting frames (20) are fixedly mounted on the upper side and the lower side of the corresponding bent pipe (28) of the moving seat (13), and a high-pressure spray nozzle (27) used for spraying high-pressure water to the outer wall surface of the bent pipe (28) is fixedly mounted on the connecting frame (20);

the right side of the shell (1) is driven by a second rotating motor (24) to be provided with an installation seat (25) inserted into the cleaning cavity (21), the installation seat (25) is driven by an adjusting push rod (26) to be provided with an installation frame (22), the installation frame (22) is tightly clamped and provided with a hard pipe (23) capable of being inserted into the bent pipe (28), and the tail end of the hard pipe (23) is provided with an inclined bidirectional spray nozzle (19) capable of spraying high-pressure water to the inner wall surface of the bent pipe (28);

the utility model discloses a water supply device, including casing (1), casing (1) are gone up and are installed the water supply pump (5) of directional oblique two-way shower nozzle (19) and high pressure nozzle (27) supply high pressure water through bolt fixed mounting, and the front end of casing (1) has controller (2) through bolt fixed mounting, controller (2) pass through the cable respectively with water supply pump (5), first rotating electrical machines (14), second rotating electrical machines (24), adjusting motor (15), lift push rod (17) and adjusting push rod (26) electric connection.

2. The high-pressure water rust removal device for the inner and outer walls of the metal bent pipe according to claim 1, characterized in that: the rear end of casing (1) has hot-blast case (8) through bolt fixed mounting, and the air inlet fixed mounting of hot-blast case (8) has air intake pump (7), wash in chamber (21) through screw fixed mounting have with air jet head (30) of the exit end intercommunication of hot-blast case (8), and the upper end fixed mounting of casing (1) have with wash exhaust pump (9) of chamber (21) intercommunication, be provided with the heating wire in hot-blast case (8), and controller (2) through the cable respectively with air intake pump (7), exhaust pump (9) and hot-blast case (8) electric connection.

3. The high-pressure water rust removal device for the inner and outer walls of the metal bent pipe according to claim 1, characterized in that: upset clamping device (6) include with the output of lift push rod (17) through bolt fixed mounting's lift seat (601), and go up and down to go up seat (601) and have upset motor (602) through bolt fixed mounting, the output drive of upset motor (602) has roll-over stand (603), and symmetrical installation has a pair of centre gripping push rod (604) on roll-over stand (603), the output of centre gripping push rod (604) passes through anchor clamps (605) centre gripping return bend (28), and controller (2) pass through the cable respectively with upset motor (602) and centre gripping push rod (604) electric connection.

4. The high-pressure water rust removal device for the inner and outer walls of the metal bent pipe according to claim 1, characterized in that: the front end of casing (1) is installed closing cap (10), and installs pull handle (11) of being convenient for open closing cap (10) through the screw on closing cap (10), fixed mounting has the transparent window of being convenient for observe casing (1) inside on closing cap (10).

5. The high-pressure water rust removal device for the inner and outer walls of the metal bent pipe according to claim 1, characterized in that: the bottom of the shell (1) is fixedly provided with a drain pipe (4) communicated with the bottom of the cleaning cavity (21), and the bottom of the shell (1) is fixed on the ground through the base (3).

6. The high-pressure water rust removal device for the inner and outer walls of the metal bent pipe according to claim 1, characterized in that: the controller (2) is an S7-200 type PLC device, the first rotating motor (14), the second rotating motor (24) and the adjusting motor (15) are stepping motors, and the lifting push rod (17) and the adjusting push rod (26) are ball screw type electric push rods or single-rod double-acting hydraulic push rods.

7. The high-pressure water rust removal device for the inner and outer walls of the metal bent pipe according to claim 1, characterized in that: the guide rail (18) is a T-shaped guide rail, and the rotating frame (29) is an L-shaped rod.