An oxidation fan housing removal tool

Abstract

A tool for dismantling the casing of an oxidation blower includes a fixed frame, a trolley, a hook bolt, a positioning rod, a lifting rod, and a locking block. The fixed frame has a fixed steel plate with grooves on both sides. The grooves are adapted to traveling wheels, which are connected to the grooves and slide within them. The traveling wheels are connected to the trolley via round steel bars. The round steel bars sequentially connect the traveling wheels and the trolleys, allowing the traveling wheels to rotate on the round steel bars. The trolley is divided into an upper trolley and a lower trolley. The upper trolley is connected to the upper side of the fixed steel plate, and the lower side of the fixed steel plate is connected to the lower trolley. The lower trolley has a slider, and the fixed steel plate has a through hole. The slider is adapted to the through hole and passes through it, connecting to the upper trolley.

Description

Technical Field

[0001] This utility model relates to the field of oxidation fans, and in particular to a tool for removing the outer casing of an oxidation fan. Background Technology

[0002] When overhauling the oxidation fan of the desulfurization system on-site, the lack of lifting points on the volute of the oxidation fan or the excessive offset of the lifting position leads to unsatisfactory lateral stability during volute removal, resulting in large swaying amplitude. This can easily cause impeller damage, resulting in economic losses. Furthermore, during volute reinstallation, the volute is prone to offset, causing damage to the mating surface between the volute and the machine body, leading to air leakage during operation, which is a drawback. Summary of the Invention

[0003] This utility model addresses the aforementioned shortcomings of the existing technology by providing an oxidation fan housing removal tool that eliminates swaying and displacement during volute hoisting, increases the protection of the oxidation fan, has a wide range of applications, strong versatility, improves the efficiency of oxidation fan housing disassembly and assembly operations, and reduces maintenance time.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A tool for dismantling the casing of an oxidation blower includes a fixed frame, a trolley, a hook bolt, a positioning rod, a lifting rod, and a locking block. The fixed frame has a fixed steel plate with grooves on both sides. The grooves are adapted to traveling wheels, which are connected to the grooves and slide within them. The traveling wheels are connected to the trolley via round steel bars. The round steel bars sequentially connect the traveling wheels and the trolleys, allowing the traveling wheels to rotate on the round steel bars. The trolley is divided into an upper trolley and a lower trolley. The upper trolley is connected to the upper side of the fixed steel plate, and the lower side of the fixed steel plate is connected to the lower trolley. The lower trolley has a slider, and the fixed steel plate has a through hole. The slider is adapted to the through hole and passes through it, connecting to the upper trolley.

[0006] The upper trolley of this utility model has multiple through holes for protruding rods, and the slider has multiple protruding rods. The protruding rods are adapted to the through holes for protruding rods, and the protruding rods pass through the through holes for protruding rods. The protruding rods are connected to the fixing nuts by threads. The upper trolley has an upper circular hole, and the lower trolley has a lower circular hole. The lower circular hole and the upper circular hole are adapted to the hook bolt. The hook bolt passes through the fastening nut, the lower circular hole, and the upper circular hole in sequence. The hook bolt is connected to the fastening nut by threads.

[0007] The sliding trolley of this utility model has suspension rods on both sides, the suspension rods have positioning sleeves, the positioning rods pass through the positioning sleeves, the positioning rods have multiple locking grooves, and the suspension rods have storage grooves. The storage grooves and locking grooves are adapted to the locking blocks, the storage grooves are connected to the locking blocks, and the locking blocks are connected to the locking grooves. Beneficial effects

[0008] During the dismantling of the oxidation blower casing of this utility model, first connect the hooks at the pulley to the lifting points of the volute, and adjust the tightness of the lifting points by tightening the nuts. Then replace the four diagonal bolts on the volute with positioning rods. The positioning rod has the same diameter as the volute bolt and passes through the positioning support sleeve. It is braked by locking blocks. The positioning rod has multiple locking grooves, which can be adjusted according to the actual thickness of the volute on site to keep the exposed length of the positioning rod at twice the thickness of the volute. This effectively eliminates the up, down, left, and right swing of the volute while it is being removed and moved outward, avoiding damage caused by impact with the blades. The volute is lifted out by a trolley, increasing the convenience of the removal operation and improving the efficiency of the oxidation blower casing removal. When the oxidation blower casing is being reinstalled, the volute is pushed back horizontally by the trolley, and the positioning rod prevents the volute from shaking or contacting the blades. After the volute is in place, the locking block is moved by rotating the knob until it is completely disengaged from the locking groove. The unlocked positioning rod is then pulled out from the rear of the positioning support sleeve, and bolts are tightened diagonally on the volute to prevent vertical displacement, which could cause misalignment and damage to the mating surface of the volute and the machine body, and prevent air leakage during operation.

[0009] This utility model features a threaded rod, a control plate, and a locking block that are interlocked and positioned using threaded connections. The locking block's linear lifting and lowering displacement can be controlled by rotating a knob. When the locking block descends into its locking groove, a positioning support sleeve provides a braking fulcrum for the positioning rod, preventing slippage and providing stable limiting support for the volute's displacement. When the locking block rises until it is completely disengaged from the locking groove, the positioning support sleeve's positioning fulcrum for the positioning rod disappears. At this point, the protruding length of the positioning rod can be adjusted according to the actual thickness of the volute, expanding the device's applicability and versatility. Furthermore, by pulling the positioning rod out from the rear of the positioning support sleeve, the connection between the volute and the machine body can be quickly replaced with a bolted connection. This convenient operation requires no specialized tools and improves the efficiency of disassembly and assembly of the oxidation blower casing.

[0010] This utility model effectively fixes the volute casing, eliminating swaying and displacement during hoisting, preventing collision damage between the volute casing and impeller or misalignment and chipping of the casing ring, increasing the protection of the oxidation blower, avoiding economic losses, and allowing flexible adjustment of the protruding length of the positioning rod according to the actual thickness of the volute casing. It has a wide range of applications, strong versatility, and is easy to operate without the need for professional tools, improving the efficiency of oxidation blower casing disassembly and assembly and reducing maintenance time. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of an oxidation fan housing removal tool according to the present invention.

[0012] Figure 2 This is a cross-sectional view of the hook bolt structure described in this utility model.

[0013] Figure 3 This is a cross-sectional view of the fixed steel plate and slider structure described in this utility model.

[0014] Figure 4 This is a cross-sectional view of the pulley and fixed steel plate connection structure described in this utility model.

[0015] Figure 5 This is a cross-sectional view of the structure of an oxidation fan housing removal tool according to the present invention.

[0016] Figure 6 This is a side sectional view of the structure of an oxidation fan housing removal tool according to the present invention.

[0017] Figure 7 This is a schematic diagram of the upper trolley structure described in this utility model.

[0018] Figure 8 This is a schematic diagram of the sliding car structure described in this utility model.

[0019] Figure 9 This is a schematic diagram of the pulley and hook bolt structure described in this utility model.

[0020] Figure 10 The present utility model Figure 5 Enlarged view of a local structure. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0022] Example 1:

[0023] A tool for dismantling the casing of an oxidation fan includes a fixing frame 01, a trolley 10, a hook bolt 11, a positioning rod 13, a lifting rod 18, and a locking block 21. The fixing frame 01 has a fixing steel plate 02, and the fixing steel plate 02 has sliding grooves 17 on both sides. The sliding grooves 17 are adapted to the traveling wheels 08, which are connected to the sliding grooves 17 and slide within them. The traveling wheels 08 are connected to the trolley 10 via round steel 09, which is sequentially connected to the traveling wheels 08 and the trolley 10. The traveling wheels 08 rotate on the round steel 09. The trolley 10... The assembly consists of an upper trolley 101 and a lower trolley 102. The upper trolley 101 is connected to the upper side of the fixed steel plate 02, and the lower side of the fixed steel plate 02 is connected to the lower trolley 102. The lower trolley 102 has a slider 04, and the fixed steel plate 02 has a through hole 03. The slider 04 is adapted to the through hole 03 and passes through the through hole 03. The slider 04 is connected to the upper trolley 101. During the dismantling of the oxidation blower casing, first connect the hook 14 provided at the trolley 10 to the volute lifting point and hang it. Adjust the tightness of the lifting point by tightening the fastening nut 12. Then, tighten the four diagonal screws on the volute. The bolt is replaced with a positioning rod 13, which has the same diameter as the volute bolt and passes through the positioning support sleeve 19. It is engaged and braked by a locking block 21. The positioning rod 13 has multiple locking grooves 20, allowing adjustment of its protruding length according to the actual thickness of the volute on site. This ensures the exposed length of the positioning rod 13 is twice the thickness of the volute, effectively eliminating upward, downward, leftward, and rightward swaying of the volute during dismantling and outward movement, preventing damage from impacts to the blades. The volute is then lifted out using a pulley 10, facilitating dismantling. The operation is convenient and the efficiency of the oxidation blower casing removal is improved. When the oxidation blower casing is reinstalled, the volute is pushed back horizontally by the trolley 10. Under the action of the positioning rod 13, the volute is prevented from shaking or contacting the blades. After the volute is in place, the locking block 21 is moved to completely disengage from the locking groove 20 by rotating the knob 26. The unlocked positioning rod 13 is then pulled out from the rear side of the positioning support 19. The bolts are tightened diagonally on the volute to prevent vertical displacement, which could cause misalignment and damage to the O-rings on the mating surface between the volute and the machine body, and prevent air leakage during operation.

[0024] Example 2:

[0025] The upper trolley 101 of this utility model has multiple through holes 06 for protruding rods, and the slider 04 has multiple protruding rods 05. The protruding rods 05 are adapted to the through holes 06 and pass through the through holes 06. The protruding rods 05 are connected to the fixing nut 07 by threads. The upper trolley 101 has an upper circular hole 16, and the lower trolley 102 has a lower circular hole 15. The lower circular hole 15 and the upper circular hole 16 are adapted to the hook bolt 11. The hook bolt 11 passes through the fastening nut 12, the lower circular hole 15, and the upper circular hole 16 in sequence. The hook bolt 11 is connected to the fastening nut 12 by threads.

[0026] Example 3:

[0027] The sliding trolley 102 of this utility model has lifting rods 18 on both sides. The lifting rods 18 have positioning sleeves 19. The positioning rod 13 passes through the positioning sleeves 19 and has multiple locking grooves 20. The lifting rod 18 has a storage groove 30. The storage groove 30 and the locking grooves 20 are adapted to the locking block 21. The storage groove 30 is connected to the locking block 21, and the locking block 21 is connected to the locking groove 20. This device effectively fixes the volute and eliminates the shaking and displacement during hoisting, preventing collision damage between the volute and the impeller or misalignment and biting of the O-ring. It increases the protection of the oxidation blower and avoids economic losses. At the same time, the protrusion length of the positioning rod 13 can be flexibly adjusted according to the actual thickness of the volute. It has a wide range of applications, strong versatility, and is easy to operate without the need for professional tools. It improves the efficiency of disassembly and assembly of the oxidation blower casing and reduces the maintenance period.

[0028] Example 4:

[0029] The lifting rod 18 of this utility model has a sliding hole 29 on the outer side and a sliding track 22 on the inner side. The locking block 21 has a control plate through hole 23. The control plate through hole 23, the sliding track 22, and the sliding hole 29 are adapted to the control plate 24. The control plate 24 passes through the sliding hole 29 and the control plate through hole 23 in sequence. The inner end of the control plate 24 is connected to the sliding track 22.

[0030] Example 5:

[0031] The boom 18 of this invention has an external mounting plate 28. A knob 26 is attached to the upper part of the mounting plate 28. The knob 26 has a threaded rod 27, which passes through the mounting plate 28 and the control plate 24 in sequence. The threaded rod 27 is connected to the control plate 24 by threads. The lower end of the threaded rod 27 is connected to the inside of the bearing 25, and the outer end of the bearing 25 is connected to the positioning sleeve 19. The threaded rod 27, the control plate 24, and the locking block 21 are interlocked and positioned by threads, so that the linear lifting and lowering displacement of the locking block 21 can be controlled by rotating the knob 26. When the locking block 21 descends to its embedded position in the locking groove 20, the positioning is enhanced. The support sleeve 19 acts as a braking fulcrum for the positioning rod 13, preventing it from sliding and providing stable limiting support for the displacement of the volute. When the locking block 21 moves upward until it is completely disengaged from the locking groove 20, the positioning support sleeve 19 disappears from the positioning rod 13. At this time, the protrusion length of the positioning rod 13 can be adjusted according to the actual thickness of the volute, expanding the applicability and versatility of the device. Furthermore, by pulling the positioning rod 13 out from the rear side of the positioning support sleeve 19, the connection between the volute and the machine body can be quickly replaced with a bolt connection, which is convenient to operate and does not require professional tools, thus improving the efficiency of the oxidation blower casing disassembly and assembly.

[0032] Example 6:

[0033] Installation steps: First, assemble the structure of the hanger rod 18. First, place the locking block 21 into the storage groove 30 through the positioning support sleeve 19, with the control plate through hole 23 corresponding to the sliding hole 29. Then, pass the control plate 24 through the sliding hole 29 and the control plate through hole 23 in sequence until its inner end is embedded in the slide rail 22. Then, pass the threaded rod 27 through the mounting support plate 28 and the control plate 24 in sequence until its lower end is embedded in the bearing 25. The lower surface of the knob 26 is in contact with the upper surface of the mounting support plate 28, and the threaded rod 27 is connected through the screw... After connecting the control plate 24 and completing the assembly of the boom 18 structure, place the upper trolley 101 and the lower trolley 102 on the upper and lower sides of the fixed steel plate 02 respectively, with the slider 04 passing through the through hole 03 and the protruding rod 05 passing through the protruding rod through hole 06, and fixedly connected to the fixing nut 07 by threads. Then, the positioning rod 13 passes through the positioning support sleeve 19, and the locking groove 20 corresponds to the position of the locking block 21. Finally, by rotating the knob 26, the control plate 24 is driven to move the locking block 21 to its position so that it is embedded in the locking groove 20, thus completing the installation.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A tool for removing the casing of an oxidation blower, characterized in that: The system includes a fixed frame (01), a trolley (10), a hook bolt (11), a positioning rod (13), a lifting rod (18), and a locking block (21). The fixed frame (01) has a fixed steel plate (02), and the fixed steel plate (02) has sliding grooves (17) on both sides. The sliding grooves (17) are adapted to the traveling wheels (08). The traveling wheels (08) are connected to the sliding grooves (17) and slide in the sliding grooves (17). The traveling wheels (08) are connected to the trolley (10) through round steel bars (09). The round steel bars (09) are sequentially connected to the traveling wheels (08). The trolley (10) has a traveling wheel (08) rotating on a round steel (09). The trolley (10) is divided into an upper trolley (101) and a lower trolley (102). The upper trolley (101) is connected to the upper side of the fixed steel plate (02), and the lower side of the fixed steel plate (02) is connected to the lower trolley (102). The lower trolley (102) has a slider (04), and the fixed steel plate (02) has a through hole (03). The slider (04) is adapted to the through hole (03), and the slider (04) passes through the through hole (03). The slider (04) is connected to the upper trolley (101).

2. The oxidation fan housing removal tool according to claim 1, characterized in that: The upper trolley (101) has multiple through holes (06), and the slider (04) has multiple protrusions (05). The protrusions (05) are adapted to the through holes (06), and the protrusions (05) pass through the through holes (06). The protrusions (05) are connected to the fixing nut (07) by threads. The upper trolley (101) has an upper round hole (16), and the lower trolley (102) has a lower round hole (15). The lower round hole (15) and the upper round hole (16) are adapted to the hook bolt (11). The hook bolt (11) passes through the fastening nut (12), the lower round hole (15), and the upper round hole (16) in sequence. The hook bolt (11) is connected to the fastening nut (12) by threads.

3. The oxidation fan housing removal tool according to claim 2, characterized in that: The sliding trolley (102) has a suspension rod (18) on both sides. The suspension rod (18) has a positioning support sleeve (19). The positioning rod (13) passes through the positioning support sleeve (19). The positioning rod (13) has multiple locking grooves (20). The suspension rod (18) has a storage groove (30). The storage groove (30) and the locking groove (20) are adapted to the locking block (21). The storage groove (30) is connected to the locking block (21). The locking block (21) is connected to the locking groove (20).

4. The oxidation fan housing removal tool according to claim 3, characterized in that: The outer side of the boom (18) has a sliding hole (29), the inner side of the boom (18) has a slide rail (22), the locking block (21) has a control plate through hole (23), the control plate through hole (23), the slide rail (22), the sliding hole (29) are adapted to the control plate (24), the control plate (24) passes through the sliding hole (29) and the control plate through hole (23) in sequence, and the inner end of the control plate (24) is connected to the slide rail (22).

5. The oxidation fan housing removal tool according to claim 3, characterized in that: The boom (18) has an external mounting plate (28), the upper part of the mounting plate (28) is fitted with a knob (26), the knob (26) has a threaded rod (27), the threaded rod (27) passes through the mounting plate (28) and the control plate (24) in sequence, the threaded rod (27) is connected to the control plate (24) by thread, the lower end of the threaded rod (27) is connected to the inside of the bearing (25), and the outer end of the bearing (25) is connected to the positioning sleeve (19).

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