Reverse osmosis pressure vessel end cover dismounting device

Abstract

The invention provides a reverse osmosis pressure vessel end cover dismounting device, and relates to the technical field of water treatment equipment.The reverse osmosis pressure vessel end cover dismounting device comprises a supporting plate and a pull rod, a through hole is formed in the middle of the interior of the supporting plate, the pull rod movably penetrates through the through hole, a thread head is arranged at the lower end of the pull rod, and a first thread is arranged on the outer side of the thread head; a second thread is arranged on the outer side of the pull rod, a nut is mounted on the outer side of the pull rod through the second thread, and a gasket is movably arranged on the outer side of the pull rod below the nut; according to the structure of the end cover, the screw head with the first thread is in threaded connection with the central groove of the end cover, the supporting plate is limited on the opening of the pressure container, the handle is rotated to drive the nut to rotate, and the thread drives the pull rod to move upwards through the matching effect of the nut and the second thread of the pull rod; the whole process is labor-saving and efficient, the operation is convenient, and the end cover is not damaged.

Description

Technical Field

[0001] The invention relates to the technical field of water treatment equipment, in particular to a device for disassembling an end cover of a reverse osmosis pressure vessel. Background Art

[0002] In the area where the soil is alkaline as a whole, the river water is also alkaline after passing through the winding water supply river channel. The raw water of this quality entering the water treatment system will directly lead to a decrease in the water production rate of the reverse osmosis membrane element, fouling and even scaling, resulting in a decrease in the desalination rate. The longer the operating years, the lower the performance of the membrane element; The reverse osmosis system in the water treatment equipment is called the core equipment, in which the core component is the membrane element. The longer the operating years, the lower the performance of the membrane element, and it needs to be replaced. In the replacement of the membrane element, it is necessary to open the end cover of the supporting pressure vessel equipment. The end cover of the pressure vessel is circular with a groove and a thread in the middle, and a self-locking device on the outside. The end cover is generally embedded in the interior of the pressure vessel, leaving a certain distance from the opening of the pressure vessel. In the prior art, a pry plate or a crowbar is generally used to pry out the end cover, or the end cover is directly destroyed and disassembled. There is a lack of suitable and effective tools. The disassembly of the end cover is relatively frequent and the workload is very large, which consumes manpower. Therefore, the present invention proposes a reverse osmosis pressure vessel end cover disassembly device to solve the problems existing in the prior art. Summary of the invention

[0003] In view of the above problems, the present invention proposes a reverse osmosis pressure vessel end cover disassembly device, wherein the entire disassembly operation process of the reverse osmosis pressure vessel end cover disassembly device is labor-saving, efficient, very convenient, and does not damage the end cover.

[0004] To achieve the purpose of the present invention, the present invention is implemented through the following technical solutions: a reverse osmosis pressure vessel end cover disassembly device, comprising a support plate and a pull rod, a through hole is provided at the middle position inside the support plate, the pull rod movably passes through the through hole, a thread head is provided at the lower end of the pull rod, and a first thread is provided on the outer side of the thread head, a second thread is provided on the outer side of the pull rod, and a nut is installed on the outer side of the pull rod through the second thread, a gasket is movably provided on the outer side of the pull rod at a position below the nut, and the gasket and the nut are both located above the support plate; Handles are provided on both sides of the nut, and the handles are inclined upward.

[0005] A further improvement is that inner cavities are provided on both sides of the support plate, extension plates are movably inserted into the two groups of inner cavities, pressure plates are provided above both sides of the support plate, and the two groups of pressure plates are respectively limited above the two groups of extension plates.

[0006] A further improvement is that a screw shaft is rotatably provided at the middle position inside the inner cavity, and the screw shaft passes through the extension plate and is threadedly adapted, and guide rods are provided at both ends of the inner cavity, and the guide rods movably pass through the extension plate.

[0007] A further improvement is that a driving cavity is provided at the inner side of the two groups of inner cavities, and a rotating shaft is rotatably provided at the upper part of the driving cavity, a worm is provided on the rotating shaft, a worm wheel is rotatably provided at the middle position at the lower part of the driving cavity, the worm wheel is connected to the screw shaft, and the worm wheel and the worm are adapted to each other.

[0008] A further improvement is that pulleys are rotatably provided on both sides of the front end of the support plate, the pulleys on both sides are respectively connected to the rotating shafts on both sides, a belt is connected between the two groups of pulleys, and a knob is provided on one group of pulleys.

[0009] Further improvements are: the top of the pull rod is used to install the extension rod, the outer side of the extension rod is provided with a third thread, and the third thread is adapted to the nut, the top of the pull rod is provided with a first splicing joint, the top of the extension rod is provided with a second splicing joint, the outer sides of the first splicing joint and the second splicing joint are both provided with half threads, and the bottom of the extension rod is provided with an internal thread splicing groove adapted to the threads of the first splicing joint and the second splicing joint.

[0010] A further improvement is that slots are provided on both sides of the nut, and one end of the two groups of handles are respectively inserted into the inside of the slots on both sides.

[0011] A further improvement is that fastening bolts are provided on both sides of the top of the nut, and the lower ends of the two groups of fastening bolts extend to the inside of the two groups of slots respectively, and a fastening hole matched with the fastening bolts is provided on one side of the top of the handle.

[0012] A further improvement is that the pull rod and the wire head are composed of a wire head shell, a pull rod shell and a reinforcing rod. The wire head shell and the pull rod shell are integrally formed and interconnected. The reinforcing rod is arranged inside the wire head shell and the pull rod shell. The reinforcing rod is a solid metal rod.

[0013] A further improvement is that a filling cavity is provided between the reinforcing rod and the wire head shell and the pull rod shell, and the interior of the filling cavity is filled with spiral ribs, and the spiral ribs are provided in multiple groups.

[0014] The beneficial effects of the present invention are: 1. According to the structure of the end cover, the present invention adopts a threaded connection between a thread head with a first thread and a central groove of the end cover, and adopts a support plate to limit the opening of the pressure vessel. The handle is turned to drive the nut to rotate, and the second thread of the nut and the pull rod is adapted to drive the pull rod to move upward, thereby driving the lower end cover to be disassembled upward. The whole process is labor-saving and efficient, easy to operate, and does not damage the end cover.

[0015] 2. The present invention rotates the knob, in conjunction with the action of the belt, to drive the two sets of pulleys to rotate synchronously, drive the rotating shaft and the worm to rotate, thereby driving the worm wheel to rotate, causing the screw shaft to rotate, and can drive the extension plate to extend from the support plate along the guidance of the inner cavity and the guide rod, thereby changing the length of the support to adapt to pressure vessel openings of different calibers.

[0016] 3. The upper end of the pull rod of the present invention can be installed with an extension rod through the threaded installation effect of the first splicing joint and the internal thread splicing groove, and the extension rod can be installed again through the threaded installation effect of the second splicing joint and the internal thread splicing groove, thereby changing the length of the overall pull rod and adapting to the connection and disassembly of end covers of different depths in the pressure vessel.

[0017] 4. The present invention can install and remove nuts and handles through the slots, fastening bolts and fastening holes, making it easy to replace the handle after it is deformed by long-term force. 5. The pull rod and the thread head of the present invention are composed of a thread head shell, a pull rod shell and a reinforcing rod. The reinforcing rod passes through the interior of the thread head shell and the pull rod shell and is filled with spiral ribs, which is beneficial to improving the strength of the pull rod and the thread head and is not easily damaged when pulled. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the present invention; Figure 2 It is a schematic diagram of the interior of the support plate of the present invention; Figure 3 It is a schematic diagram of an extension rod of the present invention; Figure 4 This is a schematic diagram of the installation of the handle of the present invention; Figure 5 It is a schematic diagram of the pull rod and wire head of the present invention.

[0019] Among them: 1. support plate; 2. pull rod; 3. through hole; 4. thread head; 5. first thread; 6. second thread; 7. nut; 8. gasket; 9. handle; 10. inner cavity; 11. extension plate; 12. pressure plate; 13. screw shaft; 14. guide rod; 15. drive cavity; 16. worm; 17. worm wheel; 18. pulley; 19. belt; 20. knob; 21. extension rod; 22. third thread; 23. first splicing joint; 24. second splicing joint; 25. rotating shaft; 26. slot; 27. fastening bolt; 28. fastening hole; 29. ​​thread head housing; 30. pull rod housing; 31. reinforcing rod; 32. spiral rib. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0021] Embodiment 1 according to Figure 1 , 2 As shown in , 3, 4, and 5, this embodiment proposes a reverse osmosis pressure vessel end cover disassembly device, including a support plate 1 and a pull rod 2, a through hole 3 is provided at the middle position inside the support plate 1, the pull rod 2 movably passes through the through hole 3, a thread head 4 is provided at the lower end of the pull rod 2, and a first thread 5 is provided on the outer side of the thread head 4, a second thread 6 is provided on the outer side of the pull rod 2, and a nut 7 is installed on the outer side of the pull rod 2 through the second thread 6, a gasket 8 is movably provided on the outer side of the pull rod 2 at a position below the nut 7, and the gasket 8 and the nut 7 are both located above the support plate 1; Both sides of the nut 7 are provided with handles 9, and the handles 9 are tilted upward. When in use, according to the structure of the end cap, the thread head 4 with the first thread 5 is threadedly connected with the central groove of the end cap, and the support plate 1 is limited on the opening of the pressure vessel. The handle 9 is turned to drive the nut 7 to rotate, and the thread drives the pull rod 2 to move upward by utilizing the adaptation of the second thread 6 of the nut 7 and the pull rod 2, thereby driving the lower end cap to be disassembled upward. The whole process is labor-saving and efficient, easy to operate, and no damage to the end cap.

[0022] The support plate 1 has inner cavities 10 on both sides, and extension plates 11 are movably inserted in the two groups of inner cavities 10. Pressure plates 12 are provided above both sides of the support plate 1, and the two groups of pressure plates 12 are respectively limited above the two groups of extension plates 11. A screw shaft 13 is rotatably provided at the middle position inside the inner cavity 10, and the screw shaft 13 passes through the extension plate 11 and is threadedly adapted. Guide rods 14 are provided at both ends of the inner cavity 10, and the guide rods 14 movably pass through the extension plate 11. A driving cavity 15 is provided at the inner side of the two groups of inner cavities 10, and a rotating shaft 25 is rotatably provided above the driving cavity 15, and a worm 16 is provided on the rotating shaft 25. A worm wheel 17 is rotatably provided at the middle position below the driving cavity 15, and the worm wheel 17 is connected to the screw shaft 13, and the worm wheel 17 is adapted to the worm 16. Both sides of the front end of the support plate 1 are rotatably provided with pulleys 18, and the pulleys 18 on both sides are respectively connected to the rotating shafts 25 on both sides, and a belt 19 is connected between the two groups of pulleys 18, and a knob 20 is provided on one group of pulleys 18. When in use, by turning the knob 20, in coordination with the action of the belt 19, the two groups of pulleys 18 can be driven to rotate synchronously, the rotating shaft 25 and the worm 16 can be driven to rotate, thereby driving the worm wheel 17 to rotate, so that the screw shaft 13 can be rotated, and the extension plate 11 can be driven to extend from the support plate 1 along the guidance of the inner cavity 10 and the guide rod 14, thereby changing the length of the support to adapt to the openings of pressure vessels of different calibers.

[0023] The top of the pull rod 2 is used to install the extension rod 21. The outer side of the extension rod 21 is provided with a third thread 22, and the third thread 22 is matched with the nut 7. The top of the pull rod 2 is provided with a first splicing joint 23, and the top of the extension rod 21 is provided with a second splicing joint 24. The outer sides of the first splicing joint 23 and the second splicing joint 24 are both provided with half threads. The bottom of the extension rod 21 is provided with an internal thread splicing groove that is thread-matched with the first splicing joint 23 and the second splicing joint 24. When in use, the extension rod 21 can be installed at the upper end of the pull rod 2 through the threaded installation effect of the first splicing joint 23 and the internal thread splicing groove, and the extension rod 21 can be installed again through the threaded installation effect of the second splicing joint 24 and the internal thread splicing groove, thereby changing the length of the overall pull rod 2 and adapting to the connection and disassembly of end covers of different depths in the pressure vessel.

[0024] Slots 26 are provided on both sides of the nut 7, and one end of the two groups of handles 9 is respectively inserted into the inside of the slots 26 on both sides. Fastening bolts 27 are provided on both sides of the top of the nut 7, and the lower ends of the two groups of fastening bolts 27 extend to the inside of the two groups of slots 26 respectively, and a fastening hole 28 adapted to the fastening bolt 27 is provided on one side of the top of the handle 9. When in use, one end of the handle 9 is inserted into the slot 26, and the nut 7 and the handle 9 can be installed and removed through the slot 26, the fastening bolt 27 and the fastening hole 28, which is convenient for replacing the handle 9 after it is deformed by long-term force.

[0025] Embodiment 2 according to Figure 1 , 2 As shown in , 3, 4, and 5, this embodiment proposes a reverse osmosis pressure vessel end cover disassembly device, including a support plate 1 and a pull rod 2, a through hole 3 is provided at the middle position inside the support plate 1, the pull rod 2 movably passes through the through hole 3, a thread head 4 is provided at the lower end of the pull rod 2, and a first thread 5 is provided on the outer side of the thread head 4, a second thread 6 is provided on the outer side of the pull rod 2, and a nut 7 is installed on the outer side of the pull rod 2 through the second thread 6, a gasket 8 is movably provided on the outer side of the pull rod 2 at a position below the nut 7, and the gasket 8 and the nut 7 are both located above the support plate 1; Both sides of the nut 7 are provided with handles 9, and the handles 9 are tilted upward. When in use, according to the structure of the end cap, the thread head 4 with the first thread 5 is threadedly connected with the central groove of the end cap, and the support plate 1 is limited on the opening of the pressure vessel. The handle 9 is turned to drive the nut 7 to rotate, and the thread drives the pull rod 2 to move upward by utilizing the adaptation of the second thread 6 of the nut 7 and the pull rod 2, thereby driving the lower end cap to be disassembled upward. The whole process is labor-saving and efficient, easy to operate, and no damage to the end cap.

[0026] Slots 26 are provided on both sides of the nut 7, and one end of the two groups of handles 9 is respectively inserted into the inside of the slots 26 on both sides. Fastening bolts 27 are provided on both sides of the top of the nut 7, and the lower ends of the two groups of fastening bolts 27 extend to the inside of the two groups of slots 26 respectively, and a fastening hole 28 adapted to the fastening bolt 27 is provided on one side of the top of the handle 9. When in use, one end of the handle 9 is inserted into the slot 26, and the nut 7 and the handle 9 can be installed and removed through the slot 26, the fastening bolt 27 and the fastening hole 28, which is convenient for replacing the handle 9 after it is deformed by long-term force.

[0027] The pull rod 2 and the thread head 4 are composed of a thread head shell 29, a pull rod shell 30 and a reinforcing rod 31. The thread head shell 29 and the pull rod shell 30 are integrally formed and interconnected. The reinforcing rod 31 is arranged inside the thread head shell 29 and the pull rod shell 30. The reinforcing rod 31 is a solid metal rod. A filling cavity is provided between the reinforcing rod 31 and the thread head shell 29 and the pull rod shell 30, and the interior of the filling cavity is filled with spiral ribs 32. The spiral ribs 32 are provided in multiple groups. The pull rod 2 and the thread head 4 are composed of a thread head shell 29, a pull rod shell 30 and a reinforcing rod 31. The reinforcing rod 31 passes through the interior of the thread head shell 29 and the pull rod shell 30 and is filled with spiral ribs 32, which is beneficial to improve the strength of the pull rod 2 and the thread head 4 and is not easily damaged when pulled.

[0028] The reverse osmosis pressure vessel end cap removal device adopts a thread head 4 with a first thread 5 and a central groove of the end cap for threaded connection according to the structure of the end cap, adopts a support plate 1 to limit the opening of the pressure vessel, and rotates the handle 9 to drive the nut 7 to rotate. The thread drives the pull rod 2 to move upward by utilizing the adaptation effect of the nut 7 and the second thread 6 of the pull rod 2, thereby driving the lower end cap to be removed upward. The whole process is labor-saving and efficient, easy to operate, and does not damage the end cap. By turning the knob 20, in conjunction with the action of the belt 19, the two sets of pulleys 18 can be driven to rotate synchronously, driving the rotating shaft 25 and the worm 16 to rotate, thereby driving the worm wheel 17 to rotate, causing the screw shaft 13 to rotate, and the extension plate 11 can be driven to extend from the support plate 1 along the guidance of the inner cavity 10 and the guide rod 14, thereby changing the length of the support to adapt to pressure vessel openings of different calibers. At the same time, the upper end of the pull rod 2 can be installed with the extension rod 21 through the threaded installation action of the first splicing joint 23 and the internal thread splicing groove, and the extension rod 21 can be installed again through the threaded installation action of the second splicing joint 24 and the internal thread splicing groove, thereby changing the length of the overall pull rod 2 to adapt to the connection and disassembly of end covers of different depths in the pressure vessel. In addition, through the action of the slot 26, the fastening bolt 27 and the fastening hole 28, the nut 7 and the handle 9 can be installed and disassembled, so that the handle 9 can be replaced after being deformed by long-term force. Finally, the pull rod 2 and the wire head 4 are composed of a wire head shell 29, a pull rod shell 30 and a reinforcing rod 31. The reinforcing rod 31 passes through the interior of the wire head shell 29 and the pull rod shell 30 and is filled with spiral ribs 32, which is beneficial to improve the strength of the pull rod 2 and the wire head 4 and is not easily damaged when pulled.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A reverse osmosis pressure vessel end cover disassembly device, comprising a support plate (1) and a pull rod (2), characterized in that: A through hole (3) is provided at a middle position inside the support plate (1), the pull rod (2) movably passes through the through hole (3), a thread head (4) is provided at the lower end of the pull rod (2), and a first thread (5) is provided on the outer side of the thread head (4), a second thread (6) is provided on the outer side of the pull rod (2), and a nut (7) is installed on the outer side of the pull rod (2) through the second thread (6), a gasket (8) is movably provided on the outer side of the pull rod (2) below the nut (7), and the gasket (8) and the nut (7) are both located above the support plate (1); Handles (9) are provided on both sides of the nut (7), and the handles (9) are inclined upward.

2. The reverse osmosis pressure vessel end cover removal device according to claim 1, characterized in that: Inner cavities (10) are provided on both sides of the support plate (1), and extension plates (11) are movably inserted into the two groups of inner cavities (10). Pressure plates (12) are provided above both sides of the support plate (1), and the two groups of pressure plates (12) are respectively limited above the two groups of extension plates (11).

3. The reverse osmosis pressure vessel end cover removal device according to claim 2, characterized in that: A screw shaft (13) is rotatably provided at a middle position inside the inner cavity (10), and the screw shaft (13) passes through the extension plate (11) and is threadably adapted, and guide rods (14) are provided at both ends inside the inner cavity (10), and the guide rods (14) movably pass through the extension plate (11).

4. The reverse osmosis pressure vessel end cover removal device according to claim 3, characterized in that: A driving chamber (15) is provided at the inner side of the two groups of inner chambers (10), and a rotating shaft (25) is rotatably provided at the upper part of the driving chamber (15), and a worm (16) is provided on the rotating shaft (25). A worm wheel (17) is rotatably provided at the middle position at the lower part of the driving chamber (15), and the worm wheel (17) is connected to the screw shaft (13), and the worm wheel (17) is matched with the worm (16).

5. The reverse osmosis pressure vessel end cover removal device according to claim 4, characterized in that: Both sides of the front end of the support plate (1) are rotatably provided with pulleys (18), the pulleys (18) on both sides are respectively connected to the rotating shafts (25) on both sides, a belt (19) is connected between the two groups of pulleys (18), and a knob (20) is provided on one group of pulleys (18).

6. The reverse osmosis pressure vessel end cover removal device according to claim 1, characterized in that: The top of the pull rod (2) is used to install the extension rod (21), the outer side of the extension rod (21) is provided with a third thread (22), and the third thread (22) is compatible with the nut (7), the top of the pull rod (2) is provided with a first splicing joint (23), the top of the extension rod (21) is provided with a second splicing joint (24), the outer sides of the first splicing joint (23) and the second splicing joint (24) are both provided with half threads, and the bottom of the extension rod (21) is provided with an internal thread splicing groove compatible with the threads of the first splicing joint (23) and the second splicing joint (24).

7. The reverse osmosis pressure vessel end cover removal device according to claim 1, characterized in that: Slots (26) are provided on both sides of the nut (7), and one end of the two sets of handles (9) are respectively inserted into the inside of the slots (26) on both sides.

8. The reverse osmosis pressure vessel end cover removal device according to claim 7, characterized in that: Both sides of the top of the nut (7) are provided with fastening bolts (27), and the lower ends of the two groups of fastening bolts (27) extend into the interior of the two groups of slots (26) respectively. A fastening hole (28) adapted to the fastening bolts (27) is provided on one side of the top of the handle (9).

9. The reverse osmosis pressure vessel end cover removal device according to claim 1, characterized in that: The pull rod (2) and the thread head (4) are composed of a thread head shell (29), a pull rod shell (30) and a reinforcing rod (31); the thread head shell (29) and the pull rod shell (30) are integrally formed and interconnected; the reinforcing rod (31) is arranged inside the thread head shell (29) and the pull rod shell (30); the reinforcing rod (31) is a solid metal rod.

10. The reverse osmosis pressure vessel end cover removal device according to claim 9, characterized in that: A filling cavity is provided between the reinforcing rod (31), the wire head housing (29) and the pull rod housing (30), and the interior of the filling cavity is filled with spiral ribs (32), and the spiral ribs (32) are provided in multiple groups.

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