A hanging basket for bridge reinforcement detection

Abstract

A suspended platform for bridge reinforcement and inspection includes a platform body with a door panel installed on one side and anti-collision devices evenly distributed on one side of the platform body. Connecting blocks are connected to both sides of the upper end face of the platform body, and an expansion mechanism is connected to the lower end face of the platform body. A protective mechanism is connected to one side of the expansion mechanism. First, the platform body is installed onto a driving device via the connecting blocks for use. Before use, the door panel is opened to allow workers to enter the upper end face of the support base plate on the platform body. Then, the driving device is activated to suspend the platform body on the side of the bridge. This method is suitable for multiple operators and those carrying large inspection devices.

Description

Technical Field

[0001] This invention relates to the field of bridge inspection technology, and specifically to a suspended basket for bridge reinforcement inspection. Background Technology

[0002] When road construction is underway, if ditches are encountered, bridges are usually built to cross them. The quality of the bridges is extremely important. If the bridges are substandard, they can cause serious traffic accidents. Therefore, it is necessary to inspect the bridges, and a suspended platform is used for the inspection.

[0003] Existing suspended platforms, due to their limitations, require workers to carry a significant amount of testing equipment, leading to reduced mobility and convenience. Insufficient space for multiple workers reduces testing efficiency, and workers are prone to tripping and potentially tumbling over the outside of the platform, posing a life-threatening risk. Furthermore, during movement, one side of the platform may come into contact with the side of the bridge, causing wear and tear, which reduces its lifespan and safety. To address these issues, this invention proposes a suspended platform for bridge reinforcement testing. Summary of the Invention

[0004] (1) Technical problems to be solved

[0005] The purpose of this invention is to overcome the problems in the prior art, adapt to practical needs, and provide a suspended basket for bridge reinforcement testing to solve the above-mentioned technical problems.

[0006] (2) Technical solution

[0007] To achieve the purpose of this invention, the technical solution adopted by this invention is as follows: a suspended basket for bridge reinforcement testing, comprising a basket body, a door panel installed on one side of the basket body, and anti-collision devices evenly distributed on one side of the basket body, connecting blocks connected to both sides of the upper end face of the basket body, and an extension mechanism connected to the lower end face of the basket body, with a protective mechanism connected to one side of the extension mechanism.

[0008] Preferably, the extension mechanism includes a support plate, the upper surface of which is connected to the lower surface of the suspended basket. A hydraulic cylinder output end is connected to a push rod on one side of the support plate, and a movable plate is connected to one end of the push rod. A sliding part is connected to the upper part of one side of the movable plate, and the sliding part slides in cooperation with a slide groove. The slide groove is formed in the support base plate, which is located on the lower surface of the suspended basket. Extension plates are evenly distributed on one side of the support base plate, and one side of the extension plates passes through the sliding opening on the movable plate. A baffle is connected to the upper surface of the movable plate, and one side of the baffle is connected to both sides of the suspended basket via a telescopic frame. A stop plate is connected to one side of the movable plate.

[0009] Preferably, the protective mechanism includes a fixed plate connected to both sides of the suspended basket body. A slide rail groove is provided in the middle of one side of the fixed plate. A first spring body is connected to one side of the slide rail groove. A sliding plate is connected to one end of the first spring body. The sliding plate slides in cooperation with the slide rail groove. A transmission plate is connected to one side of the sliding plate. A first connecting plate is connected to one side of the transmission plate. A second connecting plate is connected to one side of the first connecting plate. A third connecting plate is connected to one side of the second connecting plate. A rotating hole is provided on one side of the third connecting plate. A rotating plate is fitted through the rotating hole via a rotating shaft. An inclined plate is connected to one side of the third connecting plate. Second spring bodies are evenly distributed on one side of the inclined plate. One end of the second spring body is connected to one side of the rotating plate. A limit plate is connected between the two third connecting plates. A protective plate is connected to the upper surface of the rotating plate. Side guard plates are evenly distributed on the upper parts of both sides of the protective plate.

[0010] Preferably, the anti-collision device includes a housing, one side of which is connected to one side of the suspended basket body, and fixed rods are evenly distributed inside the housing. Multiple fixed rods are evenly fitted with protective rollers, and the outer surface of the protective rollers abuts against the bridge surface.

[0011] Preferably, one side of the lower end face of the rotating plate abuts against one side of the abutment plate, and one side of the rotating plate presses against one side of the limiting plate.

[0012] Preferably, two second connecting plates wrap around the two side corners of the baffle, with one side of the baffle abutting against one side of the second connecting plate.

[0013] (3) Beneficial effects:

[0014] A. First, the suspended platform is installed onto the drive equipment via connecting blocks. Before use, the door panel is opened to allow workers to enter the upper surface of the support base plate on the suspended platform. Then, the drive equipment is activated to suspend the suspended platform on the side of the bridge. If multiple people are required to operate and inspect the equipment and carry a large inspection device, the hydraulic cylinder on the extension mechanism can be activated. The hydraulic cylinder drives the push rod to move to one side and moves the moving plate to one side. The sliding part on the moving plate slides outward along the slide groove, and the baffle on the moving plate also moves with the moving plate and is pulled by the telescopic frame. The telescopic frame can be used as a guardrail to prevent the opening from being exposed due to the movement of the baffle.

[0015] B. As the moving plates move in sequence, one side of the abutment on the moving plate will abut against the lower end face of the rotating plate. The rotating plate will rotate downwards on the rotating shaft and press against the second spring body. At the same time, one side of the protective plate on the rotating plate will abut against one side of the limiting plate. At this time, one side of the baffle will press against one side of the second connecting plate. The second connecting plate will be forced to move the first connecting plate, the transmission plate, and the sliding plate to one side. The sliding plate will slide to one side in the rail groove and press against the first spring body. The extension mechanism will simultaneously drive the protective plate on the protective mechanism to move to one side and make the protective plate and the side guard plate rotate inward. The protective plate and the side guard plate 37 can effectively protect the workers who are tripped and provide them with a support point, and also prevent them from falling out of the basket body, thus improving safety. The protective plate and the side guard plate can automatically extend and retract, and will not take up too much space when not in use.

[0016] C. After the hydraulic cylinder stops, the expansion work is complete. During the expansion process, the extension plate on the support base can be used to place testing instruments or for workers to stand on (during the movement of the moving plate, the sliding port on the moving plate slides on the outer surface of the extension plate). This prevents the sliding part from tipping over during sliding and also avoids workers stepping on the moving sliding part, which could cause accidents. After the expansion work is completed, the sliding part can be used to place testing instruments or as a support plate for workers. The expansion mechanism effectively provides space for placing testing equipment and also provides space for workers to move, improving convenience. This also avoids the problem of insufficient space for multiple people to carry, improving the efficiency and speed of testing work. D. After the testing is completed, when it is necessary to move to another location for measurement, the protective roller on the anti-collision device contacts one side of the bridge. The protective roller contacts the bridge, preventing the side of the basket from contacting the side of the bridge and wearing down the basket. This avoids repeated wear that reduces lifespan and safety. By using the protective roller to contact the bridge, the protective roller rotates on the outer surface of the fixed rod, effectively avoiding collisions and damage, while also assisting workers in adjusting their position. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a suspended basket for bridge reinforcement testing according to the present invention;

[0018] Figure 2 This is a partially enlarged view of an anti-collision device for a suspended basket used for bridge reinforcement testing according to the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the extension mechanism of a suspended basket for bridge reinforcement testing according to the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the extension plate of a suspended basket for bridge reinforcement and testing according to the present invention;

[0021] Figure 5This is a partially enlarged view of the protective mechanism of a suspended basket for bridge reinforcement testing according to the present invention;

[0022] Figure 6 This is a schematic diagram of the rotating plate of a suspended basket for bridge reinforcement testing according to the present invention.

[0023] The reference numerals in the attached drawings are as follows: 1-Suspended basket body, 11-Door panel, 12-Anti-collision device, 121-Shell, 122-Fixing rod, 123-Protective roller, 13-Connecting block, 2-Extension mechanism, 21-Support plate, 22-Hydraulic cylinder, 23-Push rod, 24-Moving plate, 25-Sliding part, 251-Slide groove, 252-Support base plate, 26-Extension plate, 27-Baffle, 28-Telescopic frame, 29-Support plate, 3-Protective mechanism, 31-Fixing plate, 32-Slide rail groove, 33-First spring body, 34-Slide plate, 35-Transmission plate, 351-First connecting plate, 352-Second connecting plate, 353-Third connecting plate, 354-Inclined plate, 355-Second spring body, 356-Limiting plate, 36-Rotating shaft, 37-Rotating plate, 371-Protective plate, 372-Side guard plate. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0025] The following is in conjunction with the appendix Figure 1-6 The present invention is further illustrated by the embodiments:

[0026] In this embodiment, as Figure 1-6 As shown, a suspended basket for bridge reinforcement testing includes a basket body 1. A door panel 11 is installed on one side of the basket body 1, and anti-collision devices 12 are evenly distributed on one side of the basket body 1. Connecting blocks 13 are connected to both sides of the upper end face of the basket body 1, and an extension mechanism 2 is connected to the lower end face of the basket body 1. A protective mechanism 3 is connected to one side of the extension mechanism 2.

[0027] In this embodiment, the expansion mechanism 2 includes a support plate 21, the upper end of which is connected to the lower end of the basket body 1. A hydraulic cylinder 22 is connected to one side of the support plate 21, and a push rod 23 is connected to the output end of the hydraulic cylinder 22. A movable plate 24 is connected to one end of the push rod 23. A sliding part 25 is connected to the upper part of one side of the movable plate 24. The sliding part 25 slides with a slide groove 251. The slide groove 251 is formed on the support base plate 252. The support base plate 252 is set on the lower end of the basket body 1. Extension plates 26 are evenly distributed on one side of the support base plate 252. One side of the extension plate 26 passes through the sliding opening on the movable plate 24. A baffle 27 is connected to the upper end of the movable plate 24. One side of the baffle 27 is connected to the two sides of the basket body 1 through a telescopic frame 28. A stop plate 29 is connected to one side of the movable plate 24. First, the suspended platform 1 is installed onto the drive equipment via the connecting block 13. Before use, the door panel 11 is opened to allow personnel to enter the upper surface of the support base plate 252 on the suspended platform 1. Then, the drive equipment is activated to suspend the suspended platform 1 on the side of the bridge. If multiple people are required to operate and inspect the equipment, and a large inspection device is being carried, the hydraulic cylinder 22 on the extension mechanism 2 can be activated. The hydraulic cylinder 22 drives the push rod 23 to move to one side, which in turn moves the moving plate 24 to one side. The sliding part 25 on the moving plate 24 slides outward along the slide groove 251, and the baffle 27 on the moving plate 24 also moves with the moving plate 24 and is pulled by the telescopic frame 28. The telescopic frame 28 can be used as a guardrail to prevent the exposed area due to the movement of the baffle 27. After the opening and stopping of hydraulic cylinder 22, the expansion work is completed. During the expansion process, the extension plate 26 on the support base plate 252 can be used to place testing instruments or for workers to stand on (during the movement of the moving plate 24, the sliding port on the moving plate 24 slides on the outer surface of the extension plate 26). This prevents the sliding part 25 from tipping over during sliding and also avoids workers stepping on the moving sliding part 25, which could lead to accidents. After the expansion work is completed, the sliding part 25 can be used to place testing instruments or as a support plate for workers. The expansion mechanism 2 effectively provides space for placing testing equipment and also provides space for workers to move, improving convenience. This also avoids the problem of insufficient space for multiple people to carry, and improves the efficiency and speed of testing work.

[0028] In this embodiment, the protective mechanism 3 includes a fixing plate 31, which is connected to both sides of the suspended basket 1. A slide rail groove 32 is formed in the middle of one side of the fixing plate 31. A first spring body 33 is connected to one side of the slide rail groove 32. One end of the first spring body 33 is connected to a sliding plate 34, which slides in cooperation with the slide rail groove 32. A transmission plate 35 is connected to one side of the sliding plate 34. A first connecting plate 351 is connected to one side of the transmission plate 35. A second connecting plate 352 is connected to one side of the first connecting plate 351. A third connecting plate 353 is connected to the side. A rotating hole is opened on one side of the third connecting plate 353. A rotating plate 37 is sleeved on the rotating hole through a rotating shaft 36. An inclined plate 354 is connected to one side of the third connecting plate 353. A second spring body 355 is evenly connected to one side of the inclined plate 354. One end of the second spring body 355 is connected to one side of the rotating plate 37. A limit plate 356 is connected between the two third connecting plates 353. A protective plate 371 is connected to the upper surface of the rotating plate 37. Side guard plates 372 are evenly connected to the upper parts of both sides of the protective plate 371. As the movable plate 24 moves sequentially, one side of the abutment 29 on the movable plate 24 abuts against the lower end face of the rotating plate 37. The rotating plate 37 rotates downwards on the rotating shaft 36 under force and presses against the second spring body 355. At the same time, one side of the protective plate 371 on the rotating plate 37 abuts against one side of the limiting plate 356. At this time, one side of the baffle 27 presses against one side of the second connecting plate 352. The second connecting plate 352 is forced to drive the first connecting plate 351, the transmission plate 35, and the sliding plate 34 to move in one direction. When the slide plate 34 moves to one side, it slides on the track groove 32 and presses against the first spring body 33. The extension mechanism 2 will simultaneously drive the protective plate 371 on the protective mechanism 3 to move to one side, and make the protective plate 371 and the side guard plate 372 rotate inward. The protective plate 371 and the side guard plate 372 can effectively protect the workers who are tripped and provide a support point, and also prevent them from falling out of the basket body 1, thus improving safety. In addition, the protective plate 371 and the side guard plate 37 can automatically extend and retract, and will not take up too much space when not in use.

[0029] In this embodiment, the anti-collision device 12 includes a housing 121, one side of which is connected to one side of the suspended platform 1. Fixed rods 122 are evenly distributed inside the housing 121, and protective rollers 133 are evenly mounted on the multiple fixed rods 122. The outer surface of the protective rollers 133 abuts against the bridge surface. After testing, when measuring at another location, the protective rollers 133 on the anti-collision device 12 contact the bridge surface, preventing the suspended platform from abutting against the bridge surface and causing wear. This avoids repeated wear that reduces lifespan and safety. The protective rollers 133 contact the bridge, and the force exerted on the outer surface of the fixed rods 122 causes them to rotate, effectively preventing collisions and damage, while also assisting workers in adjusting the position.

[0030] In this embodiment, one side of the lower end face of the rotating plate 37 abuts against one side of the abutment plate 29, and one side of the rotating plate 37 presses against one side of the limiting plate 356. The limiting plate 356 effectively prevents the rotating plate 37 from rotating beyond its limit.

[0031] In this embodiment, two second connecting plates 352 wrap around the two side corners of the baffle 27, with one side of the baffle 27 abutting against one side of the second connecting plate 352. This facilitates the stable pushing of the protective mechanism 3.

[0032] Beneficial effects of this invention:

[0033] First, the suspended platform 1 is installed onto the drive equipment via the connecting block 13. Before use, the door panel 11 is opened to allow personnel to enter the upper surface of the support base plate 252 on the suspended platform 1. Then, the drive equipment is activated to suspend the suspended platform 1 on the side of the bridge. If multiple people are needed for operation and inspection, and a large inspection device is required, the hydraulic cylinder 22 on the extension mechanism 2 can be activated. The hydraulic cylinder 22 drives the push rod 23 to move to one side, and moves the moving plate 24 to one side. The sliding part 25 on the moving plate 24 slides outward in the slide groove 251, and the baffle 27 on the moving plate 24 also moves with the moving plate 24 and is pulled by the telescopic frame 28. The telescopic frame 28 can be used as a guardrail to prevent the opening from being exposed due to the movement of the baffle 27. As the moving plates 24 move sequentially, one side of the abutment plate 29 on the moving plate 24 will abut against the rotating plate 37. On the lower end, the rotating plate 37 rotates downward under the force of the rotating shaft 36 and presses against the second spring body 355. At the same time, one side of the protective plate 371 on the rotating plate 37 abuts against one side of the limiting plate 356. At this time, one side of the baffle 27 presses against one side of the second connecting plate 352. The second connecting plate 352 is forced to move the first connecting plate 351, the transmission plate 35, and the sliding plate 34 to one side. The sliding plate 34 slides to one side on the rail groove 32 and presses against the first spring body 33. The extension mechanism 2 will simultaneously drive the protective plate 371 on the protective mechanism 3 to move to one side and make the protective plate 371 and the side guard plate 372 rotate inward. The protective plate 371 and the side guard plate 37 can effectively protect the workers who are tripped and provide a support point, and also prevent them from falling out of the basket body 1, thus improving safety. The protective plate 371 and the side guard plate 37 can automatically extend and retract, and will not take up too much space when not in use.

[0034] After the hydraulic cylinder 22 is stopped, the expansion work is completed. During the expansion process, the extension plate 26 on the support base plate 252 can be used to place testing instruments or for workers to stand on (during the movement of the moving plate 24, the sliding port on the moving plate 24 slides on the outer surface of the extension plate 26). This prevents the sliding part 25 from tipping over during sliding and also avoids workers stepping on the moving sliding part 25, which could cause an accident. After the expansion work is completed, the sliding part 25 can be used to place testing instruments or as a support plate for workers. The expansion mechanism 2 effectively provides space for placing testing equipment and also provides space for workers to move, improving convenience. This also avoids the problem of insufficient space for multiple people to carry the load, and improves the efficiency and speed of the testing work.

[0035] After the inspection is completed, it is necessary to measure at another location. The protective roller 133 on the anti-collision device 12 is pressed against one side of the bridge. The protective roller 133 is in contact with the bridge, which prevents the side of the scaffold from touching the side of the bridge and wearing down the side of the scaffold. This avoids repeated wear that would reduce the lifespan and safety of the scaffold. By using the protective roller 133 to contact the bridge, the protective roller 133 is subjected to force and rotates on the outer surface of the fixed rod 122, which effectively avoids collisions and damage, and at the same time assists the workers in adjusting the position.

[0036] Working principle:

[0037] First, the suspended platform 1 is installed onto the drive equipment via the connecting block 13. Before use, the door panel 11 is opened to allow personnel to enter the upper surface of the support base plate 252 on the suspended platform 1. Then, the drive equipment is activated to suspend the suspended platform 1 on the side of the bridge. If multiple people are needed for operation and inspection, and a large inspection device is required, the hydraulic cylinder 22 on the extension mechanism 2 can be activated. The hydraulic cylinder 22 drives the push rod 23 to move to one side, and moves the moving plate 24 to one side. The sliding part 25 on the moving plate 24 slides outward in the slide groove 251, and the baffle 27 on the moving plate 24 also moves with the moving plate 24 and is pulled by the telescopic frame 28. The telescopic frame 28 can be used as a guardrail to prevent the opening from being exposed due to the movement of the baffle 27. As the moving plates 24 move sequentially, one side of the abutment plate 29 on the moving plate 24 will abut against the rotating plate 37. On the lower end, the rotating plate 37 rotates downward under the force of the rotating shaft 36 and presses against the second spring body 355. At the same time, one side of the protective plate 371 on the rotating plate 37 abuts against one side of the limiting plate 356. At this time, one side of the baffle 27 presses against one side of the second connecting plate 352. The second connecting plate 352 is forced to move the first connecting plate 351, the transmission plate 35, and the sliding plate 34 to one side. The sliding plate 34 slides to one side on the rail groove 32 and presses against the first spring body 33. The extension mechanism 2 will simultaneously drive the protective plate 371 on the protective mechanism 3 to move to one side and make the protective plate 371 and the side guard plate 372 rotate inward. The protective plate 371 and the side guard plate 37 can effectively protect the workers who are tripped and provide a support point, and also prevent them from falling out of the basket body 1, thus improving safety. The protective plate 371 and the side guard plate 37 can automatically extend and retract, and will not take up too much space when not in use.

[0038] After the hydraulic cylinder 22 is stopped, the expansion work is completed. During the expansion process, the extension plate 26 on the support base plate 252 can be used to place testing instruments or for workers to stand on (during the movement of the moving plate 24, the sliding port on the moving plate 24 slides on the outer surface of the extension plate 26). This prevents the sliding part 25 from tipping over during sliding and also avoids workers stepping on the moving sliding part 25, which could cause an accident. After the expansion work is completed, the sliding part 25 can be used to place testing instruments or as a support plate for workers. The expansion mechanism 2 effectively provides space for placing testing equipment and also provides space for workers to move, improving convenience. This also avoids the problem of insufficient space for multiple people to carry the load, and improves the efficiency and speed of the testing work.

[0039] After the inspection is completed, it is necessary to measure at another location. The protective roller 133 on the anti-collision device 12 is pressed against one side of the bridge. The protective roller 133 is in contact with the bridge, which prevents the side of the scaffold from touching the side of the bridge and wearing down the side of the scaffold. This avoids repeated wear that would reduce the lifespan and safety of the scaffold. By using the protective roller 133 to contact the bridge, the protective roller 133 is subjected to force and rotates on the outer surface of the fixed rod 122, which effectively avoids collisions and damage, and at the same time assists the workers in adjusting the position.

[0040] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of the present invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A suspended platform for bridge reinforcement testing, comprising a platform body (1), characterized in that, A door panel (11) is installed on one side of the suspended basket (1), and anti-collision devices (12) are evenly distributed on one side of the suspended basket (1). Connecting blocks (13) are connected to both sides of the upper end face of the suspended basket (1), and an extension mechanism (2) is connected to the lower end face of the suspended basket (1). A protective mechanism (3) is connected to one side of the extension mechanism (2). The extension mechanism (2) includes a support plate (21), the upper end face of which is connected to the lower end face of the suspended basket (1). A hydraulic cylinder (22) is connected to one side of the support plate (21), and a push rod (23) is connected to the output end of the hydraulic cylinder (22). A moving plate (24) is connected to one end of the push rod (23), and a sliding part (25) is connected to the upper part of one side of the moving plate (24). The sliding part (25) slides in cooperation with the slide groove (251). The slide groove (251) is opened on the support base plate (252). The support base plate (252) is set on the lower end face of the basket body (1). Extension plates (26) are evenly distributed on one side of the support base plate (252). One side of the extension plate (26) passes through the sliding port on the moving plate (24). A baffle (27) is connected to the upper end face of the moving plate (24). One side of the baffle (27) is connected to the two sides of the basket body (1) through the telescopic frame (28). A stop plate (29) is connected to one side of the moving plate (24). The protective mechanism (3) includes a fixing plate (31). The fixing plate (31) is connected to the basket body. (1) Both sides, and a slide rail groove (32) is provided in the middle of one side of the fixing plate (31). A first spring body (33) is connected to one side of the slide rail groove (32). A slide plate (34) is connected to one end of the first spring body (33). The slide plate (34) slides in cooperation with the slide rail groove (32). A transmission plate (35) is connected to one side of the slide plate (34). A first connecting plate (351) is connected to one side of the transmission plate (35). A second connecting plate (352) is connected to one side of the first connecting plate (351). A third connecting plate (353) is connected to one side of the second connecting plate (352). A rotating hole is provided on one side of the third connecting plate (353). The rotating hole is connected to a rotating shaft. (36) A rotating plate (37) is provided. An inclined plate (354) is connected to one side of the third connecting plate (353). A second spring body (355) is evenly connected to one side of the inclined plate (354). One end of the second spring body (355) is connected to one side of the rotating plate (37). A limiting plate (356) is connected between the two third connecting plates (353). A protective plate (371) is connected to the upper surface of the rotating plate (37). Side guard plates (372) are evenly connected to the upper parts of both sides of the protective plate (371). One side of the lower surface of the rotating plate (37) abuts against one side of the abutment plate (29), and one side of the rotating plate (37) presses against one side of the limiting plate (356).

2. The suspended platform for bridge reinforcement testing as described in claim 1, characterized in that: The anti-collision device (12) includes a housing (121), one side of which is connected to one side of the basket body (1), and fixed rods (122) are evenly distributed inside the housing (121). Multiple fixed rods (122) are evenly fitted with protective rollers (133), and the outer surface of the protective rollers (133) abuts against the bridge surface.

3. The suspended platform for bridge reinforcement testing as described in claim 1, characterized in that: Two second connecting plates (352) wrap around the two corners of the baffle (27), with one side of the baffle (27) abutting against one side of the second connecting plate (352).

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