Lifting device for mounting box-type girder of electric dust remover

Abstract

The invention relates to the technical field of lifters and elevators, in particular to a lifting device for mounting a box-type girder of an electric precipitator, which comprises a vertical shaft channel frame, an elevator box for carrying people to lift is arranged in the vertical shaft channel frame, a lifting seat is connected to the top end of the elevator box, a traction rope is connected to the upper end of the lifting seat, and power tools are in transmission connection to two sides of the lifting seat. The rolling wheel tools are installed at the four corners of the top and the four corners of the bottom of the elevator car to enable the elevator car to ascend safely and stably, in addition, the rolling wheel tools have a self-lubricating mechanism, once the elevator car is affected by corrosion, the rope pulls the lifting seat to further drive the elevator car to ascend, and therefore the elevator car is prevented from being damaged. And the lifting seat deforms and shrinks, so that a lubricating mechanism in the roller is automatically triggered, and the problem of corrosion and friction is automatically solved.

Description

Technical Field

[0001] The invention relates to the technical field of elevator hoists, in particular to a lifting device for installing an electric precipitator box-type beam. Background Art

[0002] During the installation of the box-type beam of the electrostatic precipitator, workers are required to frequently work at a high place of the electrostatic precipitator. The workers are transported to the high place by a simple elevator. The elevators are all set up in the open air and are affected by corrosive gases, sun and rain all year round. The elevators are prone to rust and have a short service life. In addition, the materials required for the installation work can also be transported by the elevator. The elevator car is frequently raised and lowered in the shaft frame. Once the rust causes the elevator car to shake, the shaking elevator car is prone to collide with the shaft frame, which in turn causes a safety accident. Based on the research and development concept of safe and smooth lifting of the elevator car, the present invention provides a lifting device for installing the box-type beam of the electrostatic precipitator. Summary of the invention

[0003] The object of the present invention is to provide a lifting device for installing a box-type beam of an electrostatic precipitator to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a lifting device for installing an electrostatic precipitator box-type beam, comprising a shaft channel frame, in which an elevator box for lifting people is arranged, the top of the elevator box is connected to a lifting seat, the upper end of the lifting seat is connected to a traction rope, both sides of the lifting seat are transmission-connected with power tools, and one side of each power tool is correspondingly transmission-connected to an integrated mechanism, the integrated mechanism comprises two bottom plates respectively fixed to the top and bottom ends of the elevator box, each bottom plate supports two symmetrically distributed roller tools, a support shaft transmission-connected on one side of each roller tool, a bracket for supporting the support shaft, and a vertical shaft transmission-connected between the top support shaft and the bottom support shaft of the elevator box, the vertical shaft is movably sleeved in a protruding through hole set on the elevator box, the bracket is fixed on the bottom plate, one end of each roller tool contacts a track column, and the track column is vertically fixed on the shaft channel frame.

[0005] The lifting seat includes a lifting column fixed on the elevator box, an intercepting plate fixed on the upper end of the lifting column, a movable cylinder slidably sleeved on the lifting column, a plurality of unit columns evenly arranged on the movable cylinder, and a T-plate frame fixedly connected to the unit columns, and the rope is connected to the T-plate frame.

[0006] The lifting seat also includes a first spring, the T-disc frame is distributed above the intercepting disk, the unit column and the movable cylinder are vertically fixedly connected, the first spring is sleeved on the unit column, and the first spring is supported between the intercepting disk and the movable cylinder, and the unit column slides through the through hole opened on the intercepting disk.

[0007] The power tool includes a toggle plate fixed on the movable cylinder, a movable plate contacted on one side of the toggle plate, a folding plate frame supporting the movable plate, a return spring that elastically pushes the movable plate, a sub-control shaft transmitted on one side of the movable plate, and one-way bearings with fixed sleeves at both ends of the sub-control shaft. One end of the folding plate frame is fixed on the bottom plate, and the middle part of the sub-control shaft is connected through a row of tooth grooves meshing and transmission opened on the fixed cylinder gear and the movable plate.

[0008] The toggle plate is provided with a wavy surface to make sliding contact with one end of the movable plate, and the movable plate slides through the plate hole opened on the folding plate frame, one end of the return spring is fixed on the folding plate frame, and the other end is in contact with the other end of the movable plate, a concave folding column is fixed on the folding plate frame, and the sub-control shaft is movably sleeved in the through hole opened on the concave folding column.

[0009] The roller includes a roller rolling on a track column, a follower shaft fixed in the middle of the roller, a transverse prism supporting the follower shaft, an oil supply group for lubricating the side wall of the follower shaft, a gear shaft group for applying pressure to the oil supply group, an inner column fixed on one side of the transverse prism, and a second spring sleeved on the inner column, the second spring is supported between the base plate and the transverse prism, the oil supply group is fixed on the transverse prism, the gear shaft group is transmission-connected to a one-way bearing, and the inner column slides through an inner hole of a cylinder arranged on the base plate.

[0010] The outer wall of the roller is clamped by a V-shaped ring groove and a V-shaped protrusion on the track column. One end of the transverse prism slides through the inner hole of the square tube fixed on the bottom plate, and the follower shaft is movably sleeved in the through hole opened on the transverse prism, and a notch for lubrication and oiling is opened on the transverse prism on one side of the through hole.

[0011] The oil supply group includes an oil tank fixed on a transverse prism, an oil push plate on which a piston slides in the oil tank, a curved flat cylinder fixedly connected to the oil tank, and a pressure rack fixedly connected to the oil push plate. The oil push plate presses and pushes the grease stored in the oil tank to inject the grease into the curved flat cylinder. The discharge port on the curved flat cylinder faces the outer wall of the follower shaft.

[0012] The gear shaft group includes a driving shaft, a disc gear, a stationary frame, a center shaft and a first lap shaft. One end of the stationary frame is fixed on the base plate, and the center shaft, the first lap shaft and the driving shaft are supported on the stationary frame. One end of the driving shaft is fixed to the outside of the one-way bearing by setting a concave folded plate, and the other end of the driving shaft is connected by meshing transmission with a fixed gear and a disc gear. A center shaft is fixed in the middle of the disc gear, and one end of the center shaft is connected by meshing transmission with a fixed bevel gear and a bevel gear fixed at one end of the first lap shaft. One end of the support shaft is connected by meshing transmission with a fixed bevel gear and an annular bevel gear fixed on the driving shaft, and the other end of the support shaft is connected by meshing transmission with a fixed bevel gear and a bevel gear fixed on the vertical shaft.

[0013] The gear shaft group also includes a second lap shaft, a movable frame and a worm gear. One end of the second lap shaft is connected to the short shaft gear fixed on the first lap shaft through a fixed long shaft gear, the other end of the second lap shaft is connected to the bevel gear fixed on one end of the worm gear through a fixed bevel gear, the spiral teeth on the worm gear are connected to the pressure rack through a meshing transmission connection, one end of the movable frame is fixed on the transverse prism, and the movable frame supports the second lap shaft and the worm gear.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention enables the elevator box to rise safely and smoothly by installing rollers at the four corners of the top and the four corners of the bottom of the elevator box. In addition, the rollers have an autonomous lubrication mechanism. Once rust affects the elevator box, the rope further drives the elevator box to rise by pulling the lifting seat. The lifting seat will deform and shrink, thereby automatically triggering the lubrication mechanism in the rollers, and automatically solving the rust and friction problems.

[0015] 2. The present invention applies strong pressure through the second spring to make the roller firmly press against the track column, so that the elevator box will not shake during the lifting and lowering process in the shaft channel frame, and the workers can be lifted and lowered safely in the elevator box. If rust occurs between the follower shaft and the transverse prism, grease will be applied to the follower shaft to automatically solve the problem of dryness or rust. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention.

[0017] Figure 2 Schematic diagram of the elevator car position.

[0018] Figure 3 Schematic diagram of the rope position.

[0019] Figure 4 This is a schematic diagram of the vertical axis position.

[0020] Figure 5 This is a schematic diagram of the bottom structure of the elevator car.

[0021] Figure 6 It is a schematic diagram of the lifting seat structure.

[0022] Figure 7 This is a schematic diagram of the T-disc rack position.

[0023] Figure 8 This is a schematic diagram of the power tool structure.

[0024] Fig. 9 It is a schematic diagram of the roller structure.

[0025] Fig.10 Schematic diagram of the roller structure.

[0026] Fig.11This is a schematic diagram of the oil supply group structure.

[0027] Fig.12 It is a schematic diagram of the gear shaft group structure.

[0028] Fig.13 Schematic diagram of the drive shaft position.

[0029] Fig.14 This is a schematic diagram of the moving frame position.

[0030] In the figure: shaft channel frame 1, elevator box 2, lifting seat 3, rope 4, power tool 5, integrated mechanism 6, bottom plate 7, roller tool 8, support shaft 9, bracket 10, vertical shaft 11, track column 12, T-disc frame 13, intercepting plate 14, lifting column 15, unit column 16, first spring 17, movable cylinder 18, one-way bearing 19, sub-control shaft 20, homing spring 21, movable plate 22, folding plate frame 23, toggle plate 24, gear shaft group 25, roller 26, oil supply group 27, follower shaft 28, second spring 29, inner column 30, transverse prism 31, pressure rack 32, oil push plate 33, oil tank 34, curved flat cylinder 35, disc gear 36, static frame 37, middle shaft 38, first lap shaft 39, second lap shaft 40, dynamic frame 41, worm 42, drive shaft 43. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figures 1 to 14 The present invention provides a technical solution: a lifting device for installing an electrostatic precipitator box-type beam, comprising a shaft channel frame 1, in which an elevator box 2 for lifting people is arranged, a lifting seat 3 is connected to the top of the elevator box 2, a traction rope 4 is connected to the upper end of the lifting seat 3, both sides of the lifting seat 3 are connected to power tools 5, and one side of each power tool 5 is connected to an integrated mechanism 6, the integrated mechanism 6 comprises two bottom plates 7 respectively fixed to the top and bottom ends of the elevator box 2, two symmetrically distributed roller tools 8 are supported on each bottom plate 7, a support shaft 9 connected to one side of each roller tool 8, a bracket 10 for supporting the support shaft 9, and a vertical shaft 11 connected to the top support shaft 9 and the bottom support shaft 9 of the elevator box 2, the vertical shaft 11 is movably sleeved in a convex block through hole arranged on the elevator box 2, the bracket 10 is fixed on the bottom plate 7, one end of each roller tool 8 contacts a track column 12, and the track column 12 is vertically fixed on the shaft channel frame 1, Figure 1The upper end of the rope 4 is guided by a pulley to change direction, one end of the rope 4 further pulls up the elevator car 2 by pulling the lifting seat 3, and the other end is connected to the winding mechanism in the prior art, which is fixed on the ground or the shaft channel frame 1.

[0033] refer to Figure 6 It is understood that the lifting seat 3 includes a lifting column 15 fixed on the elevator car 2, an intercepting plate 14 fixed on the upper end of the lifting column 15, a movable cylinder 18 slidably sleeved on the lifting column 15, a plurality of unit columns 16 evenly arranged on the movable cylinder 18, and a T-disc frame 13 fixedly connected to the unit columns 16, and the rope 4 is connected to the T-disc frame 13.

[0034] The lifting seat 3 also includes a first spring 17. The T-disc frame 13 is distributed above the intercepting disk 14. The unit column 16 and the movable cylinder 18 are vertically fixedly connected. The first spring 17 is sleeved on the unit column 16, and the first spring 17 is supported between the intercepting disk 14 and the movable cylinder 18. The unit column 16 slides through the through hole opened on the intercepting disk 14.

[0035] refer to Figure 8 It is understood that the power tool 5 includes a toggle plate 24 fixed on the movable cylinder 18, a movable plate 22 contacted by one side of the toggle plate 24, a folding plate frame 23 supporting the movable plate 22, a return spring 21 that elastically pushes the movable plate 22, a sub-control shaft 20 transmitted by one side of the movable plate 22, and one-way bearings 19 with fixed sleeves at both ends of the sub-control shaft 20. One end of the folding plate frame 23 is fixed on the base plate 7, and the middle part of the sub-control shaft 20 is connected through a row of tooth grooves meshing and transmission opened on the fixed cylinder gear and the movable plate 22.

[0036] The toggle plate 24 is provided with a wavy surface to slide in contact with one end of the movable plate 22. The movable plate 22 slides through the plate hole opened on the folding plate frame 23. One end of the return spring 21 is fixed on the folding plate frame 23, and the other end is in contact with the other end of the movable plate 22. A concave folding column is fixed on the folding plate frame 23, and the sub-control shaft 20 is movably sleeved in the through hole opened on the concave folding column.

[0037] refer to Fig. 9 It is understood that the roller device 8 includes a roller 26 rolling on the track column 12, a follower shaft 28 fixed in the middle of the roller 26, a transverse prism 31 supporting the follower shaft 28, an oil supply group 27 for lubricating the side wall of the follower shaft 28, a gear shaft group 25 for applying pressure to the oil supply group 27, an inner column 30 fixed on one side of the transverse prism 31, and a second spring 29 sleeved on the inner column 30, the second spring 29 is supported between the base plate 7 and the transverse prism 31, the oil supply group 27 is fixed on the transverse prism 31, the gear shaft group 25 and the one-way bearing 19 are transmission connected, and the inner column 30 slides through the cylindrical inner hole set on the base plate 7.

[0038] Under normal circumstances, the first spring 17 rebounds and pushes to maintain the maximum distance between the movable cylinder 18 and the intercepting plate 14. At this time, the lifting seat 3 remains in an expanded and full state, and the rope 4 rises to pull the lifting seat 3, and then pulls the elevator car 2 up. At this time, there is a worker standing in the elevator car 2. If the lubrication in the roller 8 is insufficient, that is, friction occurs between the follower shaft 28 and the transverse prism 31, the rise of the elevator car 2 will be affected by the friction, and the elevator car 2 will rise one step slower because the middle lifting seat 3 is deformed. The rope 4 rises normally, but the friction force on the elevator car 2 causes the elevator car 2 to drive the lifting column 15, and the rope 4 pulls the T-disk frame 13, and then pulls the movable cylinder 18 through the unit column 16. The movable cylinder 18 rises relative to the lifting column 15. During the process, the first spring 17 is compressed, and the first spring 17 provides a stronger elastic force upward. Then the lifting seat 3 as a whole rises along with the rope 4, and the lifting seat 3 drives the elevator car 2 to rise synchronously. At this time, the lifting seat 3 has deformed and shrunk, and the deformation and contraction of the lifting seat 3 automatically triggers the subsequent supply lubrication mechanism.

[0039] The present invention applies pressure through the second spring 29, and then the transverse prism 31 supports the follower shaft 28, so that the roller 26 is firmly against the track column 12. In this way, during the rising process of the elevator box 2, the strong pressure provided by the second spring 29 can ensure that the elevator box 2 will not shake in the shaft channel frame 1, so that the elevator box 2 rises more smoothly and steadily, and the workers rise safely in the elevator box 2. However, the rotation of the roller 26 is affected by the friction between the follower shaft 28 and the transverse prism 31. If rust and friction occur between the follower shaft 28 and the transverse prism 31, the rise of the elevator box 2 will receive additional resistance. The tighter the contact between the roller 26 and the track column 12, and the tighter the contact between the follower shaft 28 and the transverse prism 31, the more stable and less shaking the elevator box 2 will be. However, the tight contact will be affected by the dry friction of the contact surface, so timely lubrication is required.

[0040] The outer wall of the roller 26 is clamped by a V-shaped ring groove and a V-shaped protrusion on the track column 12, one end of the transverse prism 31 slides through the inner hole of the square tube fixed on the bottom plate 7, and the follower shaft 28 is movably sleeved in the through hole opened on the transverse prism 31, and a notch for lubrication and oiling is opened on the transverse prism 31 on one side of the through hole.

[0041] The oil supply group 27 includes an oil tank 34 fixed on the transverse prism 31, an oil push plate 33 with a piston sliding in the oil tank 34, a curved flat cylinder 35 fixedly connected to the oil tank 34, and a pressure rack 32 fixedly connected to the oil push plate 33. The oil push plate 33 pushes the grease stored in the oil tank 34 to inject the grease into the curved flat cylinder 35. The discharge port on the curved flat cylinder 35 faces the outer wall of the follower shaft 28.

[0042] The gear shaft group 25 includes a driving shaft 43, a disc gear 36, a stationary frame 37, a center shaft 38 and a first lap shaft 39. One end of the stationary frame 37 is fixed to the bottom plate 7. The center shaft 38, the first lap shaft 39 and the driving shaft 43 are supported on the stationary frame 37. One end of the driving shaft 43 is fixed to the outside of the one-way bearing 19 by setting a concave folding plate. The other end of the driving shaft 43 is connected to the disc gear 36 through meshing transmission. The center shaft 38 is fixed in the middle of the disc gear 36. One end of the center shaft 38 is connected to the bevel gear fixed to one end of the first lap shaft 39 through meshing transmission. One end of the support shaft 9 The other end of the support shaft 9 is connected by meshing transmission with the fixed bevel gear and the annular bevel gear fixed on the drive shaft 43. The median shaft 38, the first lap shaft 39 and the drive shaft 43 are respectively movably sleeved in three through holes opened on the stationary frame 37. The support shaft 9 is movably sleeved in the through hole opened on the bracket 10. The drive shaft 43 drives the support shaft 9, and then drives the support shaft 9 at the bottom through the vertical shaft 11, and then drives the roller 8 at the bottom end of the elevator car 2. A single power tool 5 can drive and control all roller tools 8 in the integrated mechanism 6.

[0043] The gear shaft group 25 also includes a second lap shaft 40, a movable frame 41 and a worm 42. One end of the second lap shaft 40 is meshed and connected to the short shaft gear fixed on the first lap shaft 39 through a fixed long shaft gear. The other end of the second lap shaft 40 is meshed and connected to the bevel gear fixed at one end of the worm 42 through a fixed bevel gear. The spiral teeth on the worm 42 are meshed and connected to the pressure rack 32. One end of the movable frame 41 is fixed on the transverse prism 31, and the movable frame 41 supports the second lap shaft 40 and the worm 42. The second lap shaft 40 and the worm 42 are respectively movably sleeved in two through holes opened on the movable frame 41.

[0044] During the deformation and contraction of the lifting seat 3, the toggle plate 24 will move along with the movable cylinder 18, and the toggle plate 24 will rise relative to the folding plate frame 23, and then the toggle plate 24 will toggle the movable plate 22 multiple times. The reciprocating movement of the movable plate 22 drives the sub-control shaft 20 to reciprocate, and then the transmission is converted through the one-way bearing 19, and the drive shaft 43 performs intermittent directional rotation. Then the disc gear 36 rotates to drive the center shaft 38, and then the second lap shaft 40 is transmitted through the first lap shaft 39. Then the worm 42 rotates to drive the pressure rack 32 to move, and the pressure rack 32 drives the oil push plate 33 to insert into the oil tank 34. The grease in the oil tank 34 is discharged through the curved flat cylinder 35, and the discharged grease is smeared on the rotating follower shaft 28, and then the grease is smeared between the follower shaft 28 and the transverse prism 31 to achieve lubrication. Then the elevator car 2 is no longer affected by friction during the ascent, and the lifting seat 3 returns to a full state. The rope 4 pulls the lifting seat 3, thereby driving the elevator car 2 to rise smoothly and safely.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device for installing a box-type beam of an electrostatic precipitator, comprising a shaft channel frame (1), characterized in that: The shaft channel frame (1) is provided with an elevator box (2) for lifting people, the top of the elevator box (2) is connected to a lifting seat (3), the upper end of the lifting seat (3) is connected to a traction rope (4), both sides of the lifting seat (3) are connected to power tools (5) in a transmission manner, and one side of each power tool (5) is connected to an integrated mechanism (6) in a transmission manner, and the integrated mechanism (6) comprises two bottom plates (7) respectively fixed to the top and bottom ends of the elevator box (2), and each bottom plate (7) supports two symmetrically distributed rollers. A roller (8), a support shaft (9) connected to one side of each roller (8), a bracket (10) for supporting the support shaft (9), and a vertical shaft (11) connected to the top support shaft (9) and the bottom support shaft (9) of the elevator box (2), wherein the vertical shaft (11) is movably sleeved in a protruding through hole provided on the elevator box (2), the bracket (10) is fixed on the bottom plate (7), and one end of each roller (8) contacts a track column (12), and the track column (12) is vertically fixed on the shaft channel frame (1).

2. A lifting device for installing a box-type beam of an electrostatic precipitator according to claim 1, characterized in that: The lifting seat (3) comprises a lifting column (15) fixed on the elevator car (2), an intercepting plate (14) fixed on the upper end of the lifting column (15), a movable cylinder (18) slidably sleeved on the lifting column (15), a plurality of unit columns (16) evenly arranged around the movable cylinder (18), and a T-plate frame (13) fixedly connected to the unit columns (16), and the rope (4) is connected to the T-plate frame (13).

3. The lifting device for installing a box-type beam of an electrostatic precipitator according to claim 2, characterized in that: The lifting seat (3) also includes a first spring (17), the T-plate frame (13) is distributed above the intercepting plate (14), the unit column (16) and the movable cylinder (18) are vertically fixedly connected, the first spring (17) is sleeved on the unit column (16), and the first spring (17) is supported between the intercepting plate (14) and the movable cylinder (18), and the unit column (16) slides through a through hole opened on the intercepting plate (14).

4. The lifting device for installing a box-type beam of an electrostatic precipitator according to claim 2, characterized in that: The power tool (5) comprises a toggle plate (24) fixed on the movable cylinder (18), a movable plate (22) contacted by one side of the toggle plate (24), a folding plate frame (23) supporting the movable plate (22), a return spring (21) elastically pushing the movable plate (22), a sub-control shaft (20) driven by one side of the movable plate (22), and one-way bearings (19) fixed at both ends of the sub-control shaft (20), one end of the folding plate frame (23) is fixed on the bottom plate (7), and the middle part of the sub-control shaft (20) is meshed and driven by a row of tooth grooves provided on the fixed cylinder gear and the movable plate (22).

5. The lifting device for installing a box-type beam of an electrostatic precipitator according to claim 4, characterized in that: The toggle plate (24) is provided with a wave surface to slide in contact with one end of the movable plate (22); the movable plate (22) slides through a plate hole provided on the folding plate frame (23); one end of the return spring (21) is fixed to the folding plate frame (23), and the other end is in contact with the other end of the movable plate (22); a concave folding column is fixed to the folding plate frame (23), and the sub-control shaft (20) is movably sleeved in a through hole provided on the concave folding column.

6. The lifting device for installing a box-type beam of an electrostatic precipitator according to claim 4, characterized in that: The roller device (8) comprises a roller (26) rolling on a track column (12), a follower shaft (28) fixed in the middle of the roller (26), a transverse prism (31) supporting the follower shaft (28), an oil supply group (27) lubricating the side wall of the follower shaft (28), a gear shaft group (25) applying pressure to the oil supply group (27), an inner column (30) fixed on one side of the transverse prism (31), and a second spring (29) sleeved on the inner column (30), the second spring (29) being supported between the bottom plate (7) and the transverse prism (31), the oil supply group (27) being fixed on the transverse prism (31), the gear shaft group (25) being transmission-connected to the one-way bearing (19), and the inner column (30) slidingly passing through a cylindrical inner hole provided on the bottom plate (7).

7. The lifting device for installing a box-type beam of an electrostatic precipitator according to claim 6, characterized in that: The outer wall of the roller (26) is provided with a V-shaped annular groove and is clamped with a V-shaped protrusion provided on the track column (12); one end of the transverse prism (31) slides through the inner hole of the square cylinder fixed on the bottom plate (7); the follower shaft (28) is movably sleeved in a through hole opened on the transverse prism (31); and a notch for lubrication and oil injection is opened on the transverse prism (31) on one side of the through hole.

8. The lifting device for installing a box-type beam of an electrostatic precipitator according to claim 6, characterized in that: The oil supply group (27) includes an oil tank (34) fixed on the transverse prism (31), an oil push plate (33) with a piston sliding in the oil tank (34), a curved flat cylinder (35) fixedly connected to the oil tank (34), and a pressure rack (32) fixedly connected to the oil push plate (33). The oil push plate (33) pushes the grease stored in the oil tank (34) to inject the grease into the curved flat cylinder (35). The discharge port on the curved flat cylinder (35) faces the outer wall of the follower shaft (28).

9. A lifting device for installing a box-type beam of an electrostatic precipitator according to claim 8, characterized in that: The gear shaft assembly (25) comprises a driving shaft (43), a disc gear (36), a stationary frame (37), a center shaft (38) and a first lap shaft (39); one end of the stationary frame (37) is fixed to the bottom plate (7); the center shaft (38), the first lap shaft (39) and the driving shaft (43) are supported on the stationary frame (37); one end of the driving shaft (43) is fixed to the outside of the one-way bearing (19) by providing a concave folded plate; the other end of the driving shaft (43) is fixed to the outside of the one-way bearing (19) by providing a concave folded plate The fixed gear and the disk gear (36) are meshed and connected in transmission. A center shaft (38) is fixed in the middle of the disk gear (36). One end of the center shaft (38) is meshed and connected in transmission with a bevel gear fixed to one end of the first lap shaft (39) through a fixed bevel gear. One end of the support shaft (9) is meshed and connected in transmission with an annular bevel gear fixed on the drive shaft (43) through a fixed bevel gear. The other end of the support shaft (9) is meshed and connected in transmission with a bevel gear fixed on the vertical shaft (11) through a fixed bevel gear.

10. A lifting device for installing a box-type beam of an electrostatic precipitator according to claim 9, characterized in that: The gear shaft assembly (25) further comprises a second lap shaft (40), a movable frame (41) and a worm (42); one end of the second lap shaft (40) is meshedly connected to a short shaft gear fixed on the first lap shaft (39) via a fixed long shaft gear; the other end of the second lap shaft (40) is meshedly connected to a bevel gear fixed at one end of the worm (42) via a fixed bevel gear; the spiral teeth on the worm (42) are meshedly connected to a pressure rack (32); one end of the movable frame (41) is fixed on the transverse prism (31), and the movable frame (41) supports the second lap shaft (40) and the worm (42).

Images