An aluminum structure profile hoisting device for boiler platform retrofitting using screen penetration technology

Abstract

This invention relates to the field of boiler platform technology, providing an aluminum structure profile hoisting device for boiler platform retrofitting using screen-through technology. The device includes a base and a moving assembly. The moving assembly is installed inside the base, with a support frame mounted on its top. An electric hoist is mounted on one side of the bottom of the top of the support frame, and a placement frame is mounted on the bottom of the electric hoist. A counterweight is mounted on one side of the top of the support frame, and a lubrication structure is provided on the other side of the top of the support frame. By incorporating the lubrication structure, this invention guides the placement frame during aluminum structure profile hoisting through the cooperation of a lead screw and a lead sleeve, making the placement frame more stable during movement. When the lead screw rotates, it works in conjunction with a pulley and a rotating wheel to drive a stirring rod, which stirs the lubricating oil inside the oil tank to prevent solidification and also drives a rotating disc to discharge lubricating oil in a timed and quantitative manner, eliminating the need for an additional power source and saving costs.

Description

Technical Field

[0001] This invention relates to the field of boiler platform technology, and in particular to an aluminum structural profile hoisting device for boiler platform modification using screen penetration technology. Background Technology

[0002] "Pingguo" is short for "Ping-type superheater". A screen-type superheater is a type of boiler heating surface, usually arranged in the upper part of the boiler furnace. It mainly absorbs radiant heat in the furnace, and also absorbs some convective heat. It is used to heat saturated steam into superheated steam with a certain degree of superheat. In boiler maintenance, maintenance lifting platforms are often used to reach different parts of the boiler for maintenance work.

[0003] Traditional maintenance platforms cannot penetrate the screen, requiring additional scaffolding to be erected for workers to perform maintenance. To facilitate maintenance, a screen-penetrating technology is needed to modify the boiler platform. This modification requires aluminum structural members, which in turn require hoisting equipment. However, traditional hoisting equipment suffers from problems because the electric hoists are installed at a high position, making it difficult to lubricate the wire ropes in a timely manner. This leads to accelerated wear and reduced lifespan of the wire ropes. Therefore, a screen-penetrating technology-based aluminum structural member hoisting device is needed to solve these problems. Summary of the Invention

[0004] The purpose of this invention is to provide an aluminum structure profile hoisting device for boiler platform modification using screen-through technology, in order to solve the defect of existing hoisting devices where the electric hoist is installed at a relatively high position, which makes it impossible to lubricate the wire rope in time, thus accelerating the wear of the wire rope and reducing its service life.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an aluminum structure profile hoisting device for boiler platform modification using screen-through technology, comprising a base and a moving component; the moving component is installed inside the base, a support frame is installed at the top of the moving component, an electric hoist is installed on one side of the bottom of the top of the support frame, a placement rack is installed at the bottom of the electric hoist, and a counterweight is installed on one side of the top of the support frame.

[0006] A lubrication structure is provided on the other side of the top of the support frame. The lubrication structure includes an oil storage tank, which is installed on one side of the top of the support frame. A stirring rod is installed inside the oil storage tank, and a rotating disk is installed at the bottom end of the stirring rod. An oil outlet groove is opened inside one side of the top of the support frame. An oil tank is installed on one side of the bottom of the top of the support frame. An oil guide plate is installed inside the oil tank, and a telescopic spring is installed at the bottom end of the oil guide plate. Through holes are opened on both sides of the oil guide plate, and guide posts are inserted into the through holes. A sealing gasket is fixed at the top end of the guide post. An oil outlet is opened at the bottom end of the oil tank.

[0007] Preferably, the two ends of the telescopic spring are connected to the bottom of the oil reservoir and the bottom of the oil guide plate, respectively, and the oil reservoir and the oil guide plate form a telescopic structure.

[0008] Preferably, the through holes are provided in two sets, and the two sets of through holes are symmetrically distributed inside the oil guide plate.

[0009] Preferably, a lead screw is movably installed at the middle position of the support frame, a threaded sleeve is installed on the outer side of the lead screw, one side of the threaded sleeve is fixed to one side of the placement frame, a connecting shaft is installed at the top of the lead screw, a pulley is installed at the top of the connecting shaft, and a rotating wheel is installed at the top of the stirring rod.

[0010] Preferably, the lead screw has an external thread on its outer side and the threaded sleeve has an internal thread on its inner side, forming a threaded connection between the lead screw and the threaded sleeve.

[0011] Preferably, a bevel gear set is installed on one side of the bottom end of the lead screw, a generator is installed on one side of the bevel gear set, a battery is installed on one side of the generator, a rotor is installed inside the generator, a ratchet is installed inside one end of the rotor, a connecting plate is installed at the middle position inside one end of the rotor, one end of the connecting plate is fixed to one side of the bevel gear set, an installation groove is opened inside one side of the connecting plate, a fixing rod is fixed inside the installation groove, a pawl is installed on the outside of the fixing rod, and a return spring is fixed on one side of the pawl.

[0012] Preferably, the placement rack has an internal clamping structure, which includes a bidirectional screw. The bidirectional screw is installed at the middle position inside the placement rack. Screw sleeves are installed on the outer sides of both ends of the bidirectional screw. A clamping block is fixed to the top of the screw sleeve. An adjustment groove is opened inside the clamping block. An adjustment plate is installed inside the adjustment groove. An adjustment block is fixed to the top of the adjustment plate. A rotating rod is installed inside one side of the clamping block.

[0013] Preferably, an installation box is installed on one side of the placement frame, and an installation cavity is opened inside the installation box. A worm gear is installed inside the installation cavity. One end of the worm gear is fixed to one end of a bidirectional screw. A worm is installed on one side of the worm gear, and a handle is installed at the top of the worm. Guide grooves are opened on both sides inside the placement frame. An ejector block is installed inside the guide groove. A pressing groove is opened at the bottom of the ejector block. A pressing block is installed inside the pressing groove. One end of the pressing block is fixed to one side of the screw sleeve.

[0014] Preferably, there are two sets of ejector blocks, which are symmetrically distributed inside the placement rack.

[0015] Preferably, one end of the rotating rod passes through the interior of one side of the clamping block, and the rotating rod and the clamping block are connected by a thread.

[0016] The present invention provides an aluminum structure profile hoisting device for retrofitting a boiler platform using screen-penetrating technology, the advantages of which are:

[0017] With a lubrication structure, the placement frame can be guided by the use of lead screws and lead sleeves during the hoisting of aluminum structural profiles, making the placement frame more stable when moving.

[0018] Furthermore, when the lead screw rotates, it can drive the stirring rod to rotate in conjunction with the pulley and the rotating wheel. This can stir the lubricating oil inside the oil storage tank to prevent the lubricating oil from solidifying, and can also drive the rotating disc to rotate to discharge the lubricating oil in a timed and quantitative manner. No additional power source is required, which saves costs.

[0019] Furthermore, by using the oil guide plate and the telescopic spring together, the outflowing lubricating oil can be collected, so that the lubricating oil will only flow out from the oil outlet to lubricate the wire rope after it reaches a certain weight, thus preventing the lubricating oil from flowing out continuously and causing waste, thereby completing the lubrication work.

[0020] Furthermore, when the lead screw rotates, it drives the rotor to rotate inside the generator. This causes the conductors in the stator windings to cut magnetic field lines under the influence of the rotating magnetic field, generating current. The mechanical energy that would otherwise be wasted during the descent of the mounting frame is converted into the rotational mechanical energy of the generator through the lead screw transmission. This, in turn, causes the generator coils to cut magnetic field lines in the magnetic field, generating induced current and thus generating electricity. This achieves the purpose of energy recovery and utilization, improves energy efficiency, and reduces energy waste.

[0021] Furthermore, there is no need to set up additional complex power transmission mechanisms or drive devices to drive the generator to rotate. The existing placement frame descent action is used to realize the power generation function without adding too many complex parts, making the structure of the entire hoisting setup simpler and more compact, reducing equipment costs and space occupation.

[0022] By setting up a clamping structure, and through the cooperation of a two-way screw and a screw sleeve, two sets of clamping blocks can be driven to clamp the aluminum structural profile, making it less likely for the aluminum structural profile to move during hoisting. Furthermore, by moving the adjusting plate inside the adjusting groove, the height of the adjusting block can be adjusted, allowing it to clamp aluminum structural profiles of different heights.

[0023] Furthermore, after the aluminum structural profile is clamped, when the two sets of clamping blocks return to their original positions, the extrusion block will be lifted by the extrusion block through the extrusion block, thereby lifting the aluminum structural profile at its top. After the aluminum profile is lifted, a gap can be created between the aluminum profile and the placement frame, making it convenient for operators to reach in and operate, thus improving convenience. Attached Figure Description

[0024] Figure 1 This is a frontal three-dimensional structural schematic diagram of the present invention;

[0025] Figure 2 This is a rear-view three-dimensional structural diagram of the present invention;

[0026] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention, shown in a partial cross-section.

[0027] Figure 4 This is a three-dimensional structural schematic diagram of the lubrication structure of the present invention from a rear cross-sectional view.

[0028] Figure 5 This is a three-dimensional structural schematic diagram of the lubrication structure of the present invention, viewed from the front cross-section.

[0029] Figure 6 This is a three-dimensional structural diagram of the lubrication structure of the present invention, viewed from below.

[0030] Figure 7 This is a frontal three-dimensional structural schematic diagram of the oil guide plate of the present invention;

[0031] Figure 8 This is a three-dimensional structural diagram of the oil guide plate of the present invention, viewed from below.

[0032] Figure 9 This is a frontal three-dimensional structural schematic diagram of the generator of the present invention;

[0033] Figure 10 This is a schematic diagram of the three-dimensional structure of a partial cross-section of the generator in this invention from the side view.

[0034] Figure 11 For the present invention Figure 10 A magnified three-dimensional structural diagram of a portion of point A in the middle;

[0035] Figure 12 This is a frontal three-dimensional structural diagram of the clamping structure of the present invention;

[0036] Figure 13 This is a side view of the three-dimensional structure of the adjustment block of the present invention;

[0037] Figure 14 This is a three-dimensional structural schematic diagram of the clamping structure of the present invention, viewed from the side.

[0038] Figure 15 This is a three-dimensional structural diagram of the ejector block of the present invention viewed from below;

[0039] Figure 16 This is a top-view three-dimensional structural diagram of the ejector block of the present invention.

[0040] The reference numerals in the diagram are as follows: 1. Base; 2. Support frame; 3. Moving component; 4. Placement rack; 5. Electric hoist; 6. Lubrication structure; 601. Oil tank; 602. Rotating wheel; 603. Pulley; 604. Connecting shaft; 605. Lead screw; 606. Sleeve; 607. Bevel gear set; 608. Battery; 609. Generator; 6010. Oil outlet; 6011. Stirring rod; 6012. Rotating disc; 6013. Oil tank; 6014. Oil guide plate; 6015. Sealing gasket; 6016. Telescopic spring; 6017. Oil outlet; 6018. Through hole; 6019. Ratchet. 6020. Pawl; 6021. Fixing rod; 6022. Return spring; 6023. Mounting slot; 6024. Connecting plate; 6025. Rotor; 6026. Guide post; 7. Clamping structure; 701. Mounting box; 702. Mounting cavity; 703. Worm gear; 704. Worm; 705. Handle; 706. Screw sleeve; 707. Clamping block; 708. Adjusting block; 709. Double-acting screw; 7010. Adjusting plate; 7011. Adjusting slot; 7012. Rotating rod; 7013. Ejection block; 7014. Extrusion block; 7015. Extrusion groove; 7016. Guide groove; 8. Counterweight block. Detailed Implementation

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] Please see Figures 1-16The present invention provides an aluminum structure profile hoisting device for boiler platform modification using screen-through technology, including a base 1 and a moving component 3. The moving component 3 is installed inside the base 1, and a support frame 2 is installed at the top of the moving component 3. An electric hoist 5 is installed on one side of the bottom of the top of the support frame 2, a placement rack 4 is installed at the bottom of the electric hoist 5, and a counterweight 8 is installed on one side of the top of the support frame 2.

[0043] The placement rack 4 has an internal clamping structure 7, which includes a bidirectional screw 709. The bidirectional screw 709 is installed in the middle position inside the placement rack 4. Screw sleeves 706 are installed on the outer sides of both ends of the bidirectional screw 709. A clamping block 707 is fixed to the top of the screw sleeve 706. An adjustment groove 7011 is opened inside the clamping block 707. An adjustment plate 7010 is installed inside the adjustment groove 7011. An adjustment block 708 is fixed to the top of the adjustment plate 7010. A rotating rod 7012 is installed inside one side of the clamping block 707. An installation box 701 is installed on one side of the placement rack 4. An installation cavity 702 is opened inside the installation box 701. A worm gear 703 is installed inside the installation cavity 702. One side of the worm gear 703... One end of the screw 709 is fixed to the other end of the screw 703. A worm 704 is installed on one side of the worm wheel 703. A handle 705 is installed on the top of the worm 704. Guide grooves 7016 are opened on both sides inside the placement frame 4. An ejector block 7013 is installed inside the guide groove 7016. An extrusion groove 7015 is opened at the bottom of the ejector block 7013. An extrusion block 7014 is installed inside the extrusion groove 7015. One end of the extrusion block 7014 is fixed to one side of the screw sleeve 706. Two sets of ejector blocks 7013 are provided. The two sets of ejector blocks 7013 are symmetrically distributed inside the placement frame 4. One end of the rotating rod 7012 passes through the interior of one side of the clamping block 707. The rotating rod 7012 and the clamping block 707 form a threaded connection.

[0044] Reference Figures 12-16As shown: When the aluminum structural profile needs to be hoisted during the boiler platform modification, first install the base 1 at the required hoisting position. After installation, place the aluminum structural profile on top of the placement frame 4. At this time, since the two sets of screw sleeves 706 are in the initial state, they will drive the pressing block 7014 to lift the ejector block 7013. Then place the aluminum structural profile on top of the lifted ejector block 7013. After placement, turn the handle 705. As the handle 705 drives the worm gear 704 to rotate, it will drive the worm wheel 703 to rotate. When the worm wheel 703 rotates, it will drive the double-acting screw 709. When the bidirectional screw 709 rotates, it drives the two sets of screw sleeves 706 to move towards the center position, thereby indirectly driving the two sets of clamping blocks 707 to move towards the center position, clamping the aluminum structural profile and preventing it from moving around during hoisting. When the two sets of screw sleeves 706 move towards the center position, they drive the two sets of extrusion blocks 7014 to move into the extrusion groove 7015 in the middle of the ejector block 7013, so that when clamping the aluminum structural profile, the ejector block 7013 is retracted into the placement frame 4, thus completing the clamping work. When the clamped aluminum structural profile is placed... When the profile is hoisted to the appropriate position, the operator reverses handle 705. This causes the double-acting screw 709 to also reverse, returning the two sets of threaded sleeves 706 to their initial positions. This, in turn, moves the pressing block 7014 to its initial position, pushing out the ejector block 7013. This lifts the aluminum structural profile at the top of the placement rack 4. Lifting the aluminum profile creates a gap between it and the placement rack 4, allowing operators to easily insert tools. Furthermore, directly operating on the placement rack 4 could scratch the surface of the aluminum profile due to friction and pressure between the profile and the work surface. Lifting the aluminum profile prevents this damage. This reduces the possibility of direct contact and friction, helps protect the smoothness and integrity of the aluminum profile surface, and when clamping the aluminum structural profile, the position of the adjusting block 708 can be adjusted by moving the adjusting plate 7010 in the adjusting groove 7011, so that it can clamp aluminum structural profiles of different heights. After the height of the adjusting block 708 is adjusted, the threaded engagement between the rotating rod 7012 and the clamping block 707 can be used to fix one end of the rotating rod 7012 against one side of the adjusting plate 7010, thus completing the height adjustment of the adjusting block 708.

[0045] A lubrication structure 6 is provided on the other side of the top of the support frame 2. The lubrication structure 6 includes an oil storage tank 601, which is installed on one side of the top of the support frame 2. An agitator 6011 is installed inside the oil storage tank 601, and a rotating disk 6012 is installed at the bottom of the agitator 6011. An oil outlet groove 6010 is opened inside the top of one side of the support frame 2. An oil storage tank 6013 is installed on one side of the bottom of the top of the support frame 2. An oil guide plate 6014 is installed inside the oil storage tank 6013, and a telescopic spring 6016 is installed at the bottom of the oil guide plate 6014. The interiors of the oil guide plate 6014 on both sides are... A through hole 6018 is provided, and a guide post 6026 is inserted inside the through hole 6018. A sealing gasket 6015 is fixed to the top of the guide post 6026. An oil outlet 6017 is provided at the bottom of the oil reservoir 6013. The two ends of the telescopic spring 6016 are connected to the bottom of the inside of the oil reservoir 6013 and the bottom of the oil guide plate 6014, respectively. The oil reservoir 6013 and the oil guide plate 6014 form a telescopic structure. Two sets of through holes 6018 are provided, and the two sets of through holes 6018 are symmetrically distributed inside the oil guide plate 6014. A lead screw 605 is movably installed at the middle position of the support frame 2. A threaded sleeve 606 is installed on the outer side of the lead screw 605. One side of the threaded sleeve 606 is fixed to one side of the placement frame 4. A connecting shaft 604 is installed at the top of the lead screw 605, and a pulley 603 is installed at the top of the connecting shaft 604. A rotating wheel 602 is installed at the top of the stirring rod 6011. The outer side of the lead screw 605 is provided with external threads, and the inner side of the threaded sleeve 606 is provided with internal threads, forming a threaded connection between the lead screw 605 and the threaded sleeve 606. A bevel gear set 607 is installed on one side of the bottom end of the lead screw 605, and a generator 609 is installed on one side of the bevel gear set 607. A battery 608 is installed on one side of generator 609. A rotor 6025 is installed inside generator 609. A ratchet 6019 is installed inside one end of rotor 6025. A connecting plate 6024 is installed at the middle position inside one end of rotor 6025. One end of connecting plate 6024 is fixed to one side of bevel gear set 607. An installation groove 6023 is opened inside one side of connecting plate 6024. A fixing rod 6021 is fixed inside the installation groove 6023. A pawl 6020 is installed on the outside of fixing rod 6021. A return spring 6022 is fixed on one side of pawl 6020.

[0046] Reference Figures 1-11As shown: After the aluminum structural profile is clamped on the placement frame 4, the external power supply starts the electric hoist 5. After starting, the electric hoist 5 will move the placement frame 4 upward via the wire rope to hoist the aluminum structural profile. When the placement frame 4 moves, it will also move the threaded sleeve 606 upward. Since the lead screw 605 is movably connected inside the support frame 2, and the threaded sleeve 606 and the lead screw 605 are threadedly connected, the upward movement of the threaded sleeve 606 will drive the lead screw 605 to rotate. When the lead screw 605 rotates, it will drive the pulley 603 to rotate via the connecting shaft 604. When the pulley 603 rotates, it will drive the rotating wheel 602 to rotate via the belt. When the rotating wheel 602 rotates, it will drive the stirring rod 6011 to rotate. The rotating disk 6012 rotates, and the lubricating oil inside the oil reservoir 601 only flows into the oil outlet 6010 when the notch of the rotating disk 6012 reaches the position of the oil outlet 6010. Because the sponge filling the oil outlet 6010 reduces the lubrication flow rate, the lubricating oil slowly flows into the oil reservoir 6013. Once inside the oil reservoir 6013, the lubricating oil accumulates on the surface of the guide plate 6014. As the lubricating oil increases in volume and weight, it compresses the telescopic spring 6016, causing it to contract downwards. When the guide plate 6014 moves downwards, the guide post 6026 lifts the sealing gasket 6015, allowing the lubricating oil to flow through the through hole 6018 to the bottom of the oil reservoir 6013. 4. When the weight of the top lubricating oil decreases, the telescopic spring 6016 will return the oil guide plate 6014 to its original position. This structure prevents excessive lubricating oil from flowing out and being wasted during the operation of the electric hoist 5. The flowing lubricating oil will fall onto the wire rope of the electric hoist 5 through the oil outlet 6017, lubricating the wire rope. The lubricating grease can form a protective film on the surface of the wire rope, preventing air, moisture, and other corrosive media from contacting the wire, thus playing a role in rust and corrosion prevention. It also lubricates the wire rope, reducing friction between wire ropes and improving service life, thereby completing the lubrication work of the wire rope of the electric hoist 5. When the lead screw 605 rotates forward, it will drive the connecting rod through the bevel gear set 607. When the connecting plate 6024 rotates forward, the pawl 6020 will slide off the surface of the ratchet 6019 to achieve free rotation. When the placement frame 4 is lowered, the lead screw 605 will rotate in reverse, causing the connecting plate 6024 to rotate in reverse, which will cause the pawl 6020 to lock the ratchet 6019 and drive the rotor 6025 to rotate. This will cause the magnetic poles of the rotor 6025 to generate a rotating magnetic field in the iron core of the stator. The conductors in the stator windings will move to cut the magnetic field lines under the action of the rotating magnetic field, thereby generating an induced electromotive force in the stator windings. If the stator windings form a closed circuit, an induced current will be generated, which will then output electrical energy and store it in the battery 608 for use, realizing energy recovery and finally completing the hoisting work of the aluminum structure profile.

[0047] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An aluminum structure profile hoisting device for boiler platform modification using screen-through technology, characterized in that: Includes a base (1) and a moving component (3); The base (1) is equipped with a moving component (3), the top of the moving component (3) is equipped with a support frame (2), the bottom of the top of the support frame (2) is equipped with an electric hoist (5), the bottom of the electric hoist (5) is equipped with a placement rack (4), and the top of the support frame (2) is equipped with a counterweight (8). A lubrication structure (6) is provided on the other side of the top of the support frame (2). The lubrication structure (6) includes an oil storage tank (601). The oil storage tank (601) is installed on one side of the top of the support frame (2). A stirring rod (6011) is installed inside the oil storage tank (601). A rotating disk (6012) is installed at the bottom end of the stirring rod (6011). An oil outlet groove (6010) is opened inside one side of the top of the support frame (2). An oil tank (6013) is installed on one side of the bottom of the top of the support frame (2). An oil guide plate (6014) is installed inside the oil tank (6013). 4) The bottom end is equipped with a telescopic spring (6016). The oil guide plate (6014) has through holes (6018) on both sides. A guide post (6026) is inserted into the through hole (6018). A sealing gasket (6015) is fixed to the top of the guide post (6026). The bottom end of the oil storage tank (6013) has an oil outlet (6017). A lead screw (605) is movably installed in the middle position of the support frame (2). A threaded sleeve (606) is installed on the outside of the lead screw (605). One side of the threaded sleeve (606) is fixed to one side of the placement frame (4). The top of the lead screw (605) is equipped with a... The system is equipped with a connecting shaft (604), a pulley (603) at the top of the connecting shaft (604), a rotating wheel (602) at the top of the stirring rod (6011), an external thread on the outer side of the lead screw (605), an internal thread on the inner side of the thread sleeve (606), and a threaded connection between the lead screw (605) and the thread sleeve (606). A bevel gear set (607) is installed on one side of the bottom end of the lead screw (605), a generator (609) is installed on one side of the bevel gear set (607), and a battery (608) is installed on one side of the generator (609). The rotor (6025) is installed inside the rotor (6025). A ratchet (6019) is installed inside one end of the rotor (6025). A connecting plate (6024) is installed at the middle position inside one end of the rotor (6025). One end of the connecting plate (6024) is fixed to one side of the bevel gear set (607). An installation groove (6023) is opened inside one side of the connecting plate (6024). A fixing rod (6021) is fixed inside the installation groove (6023). A pawl (6020) is installed on the outside of the fixing rod (6021). A return spring (6022) is fixed on one side of the pawl (6020).

2. The aluminum structure profile hoisting device for boiler platform retrofitting using screen-through technology as described in claim 1, characterized in that: The two ends of the telescopic spring (6016) are respectively connected to the bottom of the oil reservoir (6013) and the bottom of the oil guide plate (6014), and the oil reservoir (6013) and the oil guide plate (6014) form a telescopic structure.

3. The aluminum structure profile hoisting device for boiler platform retrofitting using screen-through technology according to claim 1, characterized in that: Two sets of through holes (6018) are provided, and the two sets of through holes (6018) are symmetrically distributed inside the oil guide plate (6014).

4. The aluminum structure profile hoisting device for boiler platform retrofitting using screen-through technology as described in claim 1, characterized in that: The placement rack (4) is provided with a clamping structure (7) inside. The clamping structure (7) includes a bidirectional screw (709). The bidirectional screw (709) is installed at the middle position inside the placement rack (4). Screw sleeves (706) are installed on the outer sides of both ends of the bidirectional screw (709). A clamping block (707) is fixed at the top of the screw sleeve (706). An adjustment groove (7011) is opened inside the clamping block (707). An adjustment plate (7010) is installed inside the adjustment groove (7011). An adjustment block (708) is fixed at the top of the adjustment plate (7010). A rotating rod (7012) is installed inside one side of the clamping block (707).

5. The aluminum structure profile hoisting device for boiler platform retrofitting using screen-through technology according to claim 1, characterized in that: A mounting box (701) is installed on one side of the placement rack (4). The mounting box (701) has a mounting cavity (702) inside. A worm gear (703) is installed inside the mounting cavity (702). One end of the worm gear (703) is fixed to one end of the double-acting screw (709). A worm (704) is installed on one side of the worm gear (703). A handle (705) is installed at the top of the worm (704). Guide grooves (7016) are opened on both sides inside the placement rack (4). An ejector block (7013) is installed inside the guide groove (7016). An extrusion groove (7015) is opened at the bottom of the ejector block (7013). An extrusion block (7014) is installed inside the extrusion groove (7015). One end of the extrusion block (7014) is fixed to one side of the screw sleeve (706).

6. The aluminum structure profile hoisting device for boiler platform retrofitting using screen-through technology according to claim 5, characterized in that: The ejector block (7013) is provided in two sets, and the two sets of ejector blocks (7013) are symmetrically distributed inside the placement rack (4).

7. The aluminum structure profile hoisting device for boiler platform retrofitting using screen-through technology according to claim 4, characterized in that: One end of the rotating rod (7012) passes through the interior of one side of the clamping block (707), and the rotating rod (7012) and the clamping block (707) are connected by a thread.

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