Protective shed for constructional engineering and using method thereof

Abstract

The protective shed comprises a protective shed body, two sets of overturning frames are arranged above the protective shed body, iron sheet tops are arranged at the tops of the overturning frames, limiting shafts are arranged in the middles of the overturning frames, iron sheet tops are arranged at the tops of the limiting shafts, and inserting plates are arranged on the outer sides of the middles of the limiting shafts. The device has the beneficial effects that the turnover frame and the insertion plates are arranged, the turnover frame and the limiting shaft in the middle are used for achieving the effect that the middle falls to conduct auxiliary buffering, the insertion plate at the bottom can be inserted into the limiting frame under the action of pressure, and the fixing frames on the front face and the back face can provide installation positions for the internal structure; and an internal supporting spring can be used for pushing a buckle block to be embedded into the inner side of a buckle groove, the buckle block can be used for limiting an insertion plate, the problem of rebound caused by resetting of the overturning frame can be avoided while buffering is conducted, and large falling objects can be intercepted to reduce harm.

Description

Technical Field

[0001] The invention relates to the technical field of construction engineering, in particular to a protective shed for construction engineering and a use method thereof. Background Art

[0002] During construction of a building project, it is necessary to process steel bars. In order to reduce transportation time, the processing area needs to be set up in the open space between buildings. However, since the buildings are under construction, in order to avoid safety accidents caused by falling objects, a protective shed needs to be set up on the top of the processing area. The protective shed can provide protection for equipment and workers in the construction area. However, when the existing protective shed falls in a lower area, it is easy to rebound and fall and hit the surrounding workers. At the same time, the existing protective shed cannot be installed quickly when the iron sheet is used for protection on the top, and it is easy to fall off directly. Finally, the existing protective shed cannot be quickly positioned during installation, or it is easy to shake after installation on the soil bottom surface. Summary of the invention

[0003] The object of the present invention is to provide a protective shed for construction engineering and a method of using the same, so as 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 protective shed for construction engineering, comprising a protective shed, two groups of flip frames are arranged above the protective shed, and a sheet iron roof is arranged on the top of the flip frame, a limit axis is arranged in the middle of the flip frame, and a sheet iron roof is arranged on the top of the limit axis, a plug plate is arranged on the outer side of the middle of the limit axis, and a plurality of buckle grooves are opened on the front and back sides of the plug plate, a limit frame is arranged on the outer side of the lower end of the plug plate, and a plurality of groups of supporting springs are arranged on the inner sides of the front and back sides of the limiting frame, a movable plate is arranged at the end of the supporting spring, and a buckle block is arranged on one side of the movable plate, and the buckle The block is located on the inner side of the buckle groove, three groups of welding sleeves are respectively installed at the bottom of both ends of the flip frame, and an auxiliary spring is arranged inside the welding sleeve, a pushing plate is arranged at the end of the auxiliary spring, and a connecting rod is installed on one side of the pushing plate, the connecting rod is located on the inner side of the auxiliary spring, a connecting plate is installed at the end of the connecting rod, and a welding block is installed on one side of the upper end of the connecting plate, a clamping plate is installed at the bottom of the welding block, and the clamping plate is located at the top of the iron sheet top, four groups of supporting columns are installed at the bottom of the protective shed, and a positioning drill rod is arranged on the inner side of the lower end of the supporting column, and welding pedals are installed on both sides of the upper end of the positioning drill rod.

[0005] Preferably, sliding grooves are provided on both sides of the lower end of the support column, and the sliding grooves are located on the outside of the welding pedal, a positioning plate is installed on the outside of the lower end of the support column, and two sets of limiting brackets are respectively provided on the top of the four corners of the protective shed.

[0006] Preferably, an auxiliary guide rod is provided on the inner side of the positioning drill rod, and a threaded head is installed on the top of the auxiliary guide rod, the threaded head is located inside the supporting column, and a tip is installed on the bottom of the positioning drill rod.

[0007] Preferably, a buffer frame is provided on the inner side of the limit bracket, and a damping rod and a spring are provided inside the buffer frame, a telescopic sleeve is provided on the inner side of the upper end of the buffer frame, and a movable block is installed on the top of the telescopic sleeve, the movable block is located on the inner side of the limit bracket, and a positioning shaft is provided on the inner side of the limit bracket.

[0008] Preferably, a through hole is provided on the inner side of the upper end of the plug plate, and the through hole is located on the outer side of the limiting shaft.

[0009] Preferably, a movable groove is opened on the inner side of the limit frame, and the movable groove is located on the outer side of the plug plate, and a welding seat is installed on the bottom of the limit frame, and the welding seat is located on the top of the protective shed.

[0010] Preferably, a fixing frame is provided on the outer side of the support spring, and the fixing frame is located on the front and back side of the limiting frame, a pull rod is installed on the outer side of the movable plate, and a pull ring is provided at the end of the pull rod.

[0011] Preferably, two groups of flip sleeves are welded on one side of the flip frame, and the flip sleeves are located outside the limiting shaft.

[0012] Preferably, an auxiliary handle is installed on the outer side of the connecting plate.

[0013] Preferably, the method comprises the following steps: S1. First, according to the needs, move the overall protective shed and the support column to the position where the protective structure needs to be installed, and then set the positioning plate on the top of the solid cement floor, and then fix it with a bolt structure, or fix it on the bottom of the compacted soil. Then the staff grasps the support column and steps on the two sets of welded pedals at the lower end of the support column with both feet at the same time, and uses their own gravity to control the tip and the positioning drill rod to insert into the ground. The positioning drill rod will slide stably along the auxiliary guide rod during the movement, and then insert the other three sets of positioning drill rods into the ground in turn for fixation; S2, then determine whether the top iron sheet roof needs to be replaced. After climbing the stepladder, the staff will directly place the patch roof to be installed on the top of the welding block, and then adjust the corresponding position. The staff can control it by grasping two sets of auxiliary handles at the same time. During the pulling process, the internal push disk will be pulled by the connecting rod to compress the auxiliary spring. At the same time, the connecting plate will be used to control the top clamping plate and the welding block to be extended at the same time. After extension, the top iron sheet roof will automatically fall on the top of the flip frame. After releasing the auxiliary handle, the internal auxiliary spring will push the clamping plate to be restricted to the top of the iron sheet roof; S3. When the staff is working normally, if there is an object above, it will contact the iron top immediately after falling, and the fall will generate greater pressure. The two sets of buffer frames and telescopic sleeves near the edge will provide buffering for the flip frame, but the middle area does not have a large supporting force, so the heavy object will control the flip frame to flip along the middle limit axis, and at the same time, the push plug will be embedded in the inside of the limit frame. At the same time, the buckle block will limit the plug after being inserted into the inside; S4. Finally, the staff will clean up the fallen objects on the top. After cleaning, they will grasp the two sets of pull rings at the same time to control the outward expansion of the movable plate through the internal pull rod to compress the support spring. While compressing, the buckle block will be separated from the buckle groove. The four sets of buffer frames will provide support for the top flip frame, thereby controlling the flip frame to reset.

[0014] Compared with the prior art, the invention has the following beneficial effects: the invention is provided with a flip frame and a plug plate, and the flip frame and the middle limit axis can be used to achieve the effect of auxiliary buffering when the middle part falls, the plug plate at the bottom can be inserted into the inside of the limit frame under the action of pressure, and the fixed frames at the front and back can provide installation positions for the internal structure, and the buckle block can be pushed to be embedded in the inner side of the buckle groove by the internal support spring, and the plug plate can be restricted by the buckle block, and the problem of rebound caused by the reset of the flip frame can be avoided while buffering, and larger falling objects can be intercepted to reduce the harm; By providing a clamping plate and an auxiliary spring, the internal structure of the welding sleeve is used to provide an installation position, and the internal auxiliary spring can push the push plate and the connecting plate to move inward, and the movement will control the welding block and the clamping plate to shrink inward synchronously, and the notch at the bottom of the clamping plate can be used to limit the iron sheet top accordingly. The iron sheet top can be effectively limited by this structure, so that the effective installation takes a longer time, and the problem of safety hazards caused by the iron sheet top falling off can be avoided; By providing a positioning drill rod and a welding pedal rod, the existing supporting column can provide restriction for the positioning drill rod, and the positioning drill rod can move downward and be inserted into the ground to increase the contact area with the ground. The auxiliary guide rod fixed by the threaded head can limit the positioning drill rod, effectively increasing the stability of the positioning drill rod, and the welding pedal rod can provide the user with the effect of assisting the installation of the positioning drill rod. The positioning drill rod can greatly increase the stability of the installation of the protective shed and the mud ground, and the problem of shaking is prone to occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the flip frame structure of the present invention; Figure 3 It is a schematic diagram of the buffer frame structure of the present invention; Figure 4 It is a schematic diagram of the limit frame structure of the present invention; Figure 5 It is a schematic cross-sectional view of the plug board of the present invention; Figure 6 It is a schematic diagram of the positioning drill rod structure of the present invention; Figure 7 It is a schematic diagram of the clamping plate structure of the present invention.

[0016] In the figure: 1, protective shed; 101, supporting column; 102, sliding groove; 103, positioning plate; 2, tip; 201, threaded head; 202, auxiliary guide rod; 203, positioning drill rod; 204, welding pedal; 3, buffer frame; 301, limit bracket; 302, positioning shaft; 303, telescopic sleeve; 304, movable block; 4, limit frame; 401, welding seat; 402, movable groove; 403, plug plate; 404, buckle Groove; 405, through hole; 5, snap block; 501, fixed frame; 502, support spring; 503, movable plate; 504, pull rod; 505, pull ring; 6, iron top; 601, flip frame; 602, limit shaft; 603, flip sleeve; 7, clamping plate; 701, welding sleeve; 702, auxiliary spring; 703, push plate; 704, connecting rod; 705, connecting plate; 706, auxiliary handle; 707, welding block. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the specification of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0019] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0020] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that an article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0021] In the description of the present application, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] In the description of this application, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and the features in the embodiments can be mutually exclusive.

[0024] See also Figure 1-7The present invention provides a technical solution: a protective shed for construction engineering, comprising a protective shed 1, two groups of flip frames 601 are arranged above the protective shed 1, and a sheet iron top 6 is arranged on the top of the flip frame 601, a limit axis 602 is arranged in the middle of the flip frame 601, and a sheet iron top 6 is arranged on the top of the limit axis 602, a plug plate 403 is arranged on the outer side of the middle of the limit axis 602, and a plurality of buckle grooves 404 are opened on the front and back of the plug plate 403, a limit frame 4 is arranged on the outer side of the lower end of the plug plate 403, and a plurality of groups of supporting springs 502 are arranged on the inner side of the front and back of the limiting frame 4, a movable plate 503 is arranged at the end of the supporting spring 502, and a buckle block 5 is arranged on one side of the movable plate 503, and the buckle block 5 is located inside the buckle groove 404. On the other side, three groups of welding sleeves 701 are respectively installed at the bottom of both ends of the flip frame 601, and an auxiliary spring 702 is arranged inside the welding sleeve 701, a pushing plate 703 is arranged at the end of the auxiliary spring 702, and a connecting rod 704 is installed on one side of the pushing plate 703, the connecting rod 704 is located on the inner side of the auxiliary spring 702, a connecting plate 705 is installed at the end of the connecting rod 704, and a welding block 707 is installed on one side of the upper end of the connecting plate 705, a clamping plate 7 is installed at the bottom of the welding block 707, and the clamping plate 7 is located on the top of the iron roof 6, four groups of supporting columns 101 are installed at the bottom of the protective shed 1, and a positioning drill rod 203 is arranged on the inner side of the lower end of the supporting column 101, and welding pedals 204 are installed on both sides of the upper end of the positioning drill rod 203.

[0025] Through the above technical solution, Furthermore, sliding grooves 102 are provided on both sides of the lower end of the support column 101, and the sliding grooves 102 are located on the outside of the welding pedal 204. A positioning plate 103 is installed on the outside of the lower end of the support column 101, and two sets of limiting brackets 301 are respectively provided on the top of the four corners of the protective shed 1.

[0026] Through the above technical solution, the sliding groove 102 can provide a limit for the inner welding pedal 204, and the positioning plate 103 can contact the ground and be fixed to the ground.

[0027] Furthermore, an auxiliary guide rod 202 is provided inside the positioning drill rod 203 , and a threaded head 201 is installed on the top of the auxiliary guide rod 202 . The threaded head 201 is located inside the supporting column 101 , and a tip 2 is installed at the bottom of the positioning drill rod 203 .

[0028] Through the above technical solution, the auxiliary guide rod 202 is used to increase the stability of the positioning drill rod 203, the threaded head 201 can be used to limit the auxiliary guide rod 202, and the tip 2 is used to assist in inserting into the ground.

[0029] Furthermore, a buffer frame 3 is provided on the inner side of the limit bracket 301, and a damping rod and a spring are provided inside the buffer frame 3, a telescopic sleeve 303 is provided on the inner side of the upper end of the buffer frame 3, and a movable block 304 is installed on the top of the telescopic sleeve 303, the movable block 304 is located on the inner side of the limit bracket 301, and a positioning shaft 302 is provided on the inner side of the limit bracket 301.

[0030] Through the above technical solution, the buffer frame 3 can provide an installation position for the inner damping rod and spring structure, the telescopic sleeve 303 can assist in telescoping, and the movable block 304 is used to connect with the limiting bracket 301 to ensure the stability of the splicing.

[0031] Furthermore, a through hole 405 is opened on the inner side of the upper end of the plug plate 403, and the through hole 405 is located on the outer side of the limiting axis 602, a movable groove 402 is opened on the inner side of the limiting frame 4, and the movable groove 402 is located on the outer side of the plug plate 403, a welding seat 401 is installed on the bottom of the limiting frame 4, and the welding seat 401 is located on the top of the protective shed 1.

[0032] Through the above technical solution, the through hole 405 is used to be spliced ​​with the limiting shaft 602, the movable groove 402 can provide limitation for the plug plate 403 and assist in movable adjustment, and the welding seat 401 can provide support for the limiting frame 4 as a whole to increase stability.

[0033] Furthermore, a fixing frame 501 is provided outside the supporting spring 502 , and the fixing frame 501 is located at the front and back of the limiting frame 4 , a pull rod 504 is installed outside the movable plate 503 , and a pull ring 505 is provided at the end of the pull rod 504 .

[0034] Through the above technical solution, the fixed frame 501 is used to provide an installation position for the inner structure, and the inner movable plate 503 can be controlled to be pulled out and adjusted through the pull rod 504 and the pull ring 505.

[0035] Furthermore, two groups of flip sleeves 603 are welded on one side of the flip frame 601 , and the flip sleeves 603 are located outside the limiting shaft 602 .

[0036] Through the above technical solution, the flip sleeve 603 can be flipped and adjusted along the limiting axis 602, and the flipping can achieve the effect of folding toward the middle.

[0037] Furthermore, an auxiliary handle 706 is installed on the outer side of the connecting plate 705 .

[0038] Through the above technical solution, the auxiliary handle 706 can provide a grip for the user, making it easier to control the position of the clamping plate 7.

[0039] The present invention also provides a protective shed for construction engineering, which is characterized by comprising the following steps: S1. First, according to the needs, the overall protective shed 1 and the support column 101 are moved and adjusted to the position where the protective structure needs to be installed, and then the positioning plate 103 is set on the top of the solid cement floor, and then fixed with a bolt structure, or fixed on the bottom of the compacted soil. Then the staff grasps the support column 101, and steps on the two sets of welded pedals 204 at the lower end of the support column 101 with both feet at the same time, and uses its own gravity to control the tip 2 and the positioning drill rod 203 to insert into the ground. The positioning drill rod 203 will slide stably along the auxiliary guide rod 202 during the activity, and then the other three sets of positioning drill rods 203 are inserted into the ground in turn for fixing; S2, then determine whether the top iron sheet roof 6 needs to be replaced. After climbing the stepladder, the staff will directly place the patch roof to be installed on the top of the welding block 707, and then adjust the corresponding position. The staff can control it by grasping two sets of auxiliary handles 706 at the same time. During the pulling process, the internal pushing plate 703 will be pulled by the connecting rod 704 to compress the auxiliary spring 702. At the same time, the connecting plate 705 will be used to control the top clamping plate 7 and the welding block 707 to be extended at the same time. After extension, the top iron sheet roof 6 will automatically fall on the top of the flip frame 601. After releasing the auxiliary handle 706, the internal auxiliary spring 702 will push the clamping plate 7 to be restricted to the top of the iron sheet roof 6; S3, when the staff is working normally, if there is an object above, it will contact the iron top 6 immediately after it falls, and the fall will generate a large pressure. The two groups of buffer frames 3 and telescopic sleeves 303 near the edge will provide buffering for the flip frame 601, but the middle area does not have a large supporting force, so the heavy object will control the flip frame 601 to flip toward the middle along the middle limit axis 602, and at the same time, the push plug 403 will be embedded in the inside of the limit frame 4, and the buckle block 5 will limit the plug 403 after being inserted into the inside; S4. Finally, the staff cleans up the fallen objects on the top. After cleaning, they grasp the two sets of pull rings 505 at the same time to control the movable plate 503 to extend and compress the support spring 502 through the internal pull rod 504. While compressing, the buckle block 5 will separate from the buckle groove 404. The four sets of buffer frames 3 will provide support for the top flip frame 601, thereby controlling the flip frame 601 to reset.

[0040] 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 protective shed for construction engineering, comprising a protective shed (1), characterized in that: Two groups of flip frames (601) are arranged above the protective shed (1), and a sheet metal top (6) is arranged on the top of the flip frame (601). A limit axis (602) is arranged in the middle of the flip frame (601), and a sheet metal top (6) is arranged on the top of the limit axis (602). A plug plate (403) is arranged on the outer side of the middle of the limit axis (602), and a plurality of buckle grooves (404) are provided on the front and back sides of the plug plate (403). A limit frame (4) is arranged on the outer side of the lower end of the plug plate (403), and a plurality of groups of supporting springs (502) are arranged on the inner side of the front and back sides of the limiting frame (4). A movable plate (503) is arranged at the end of the supporting spring (502), and a buckle block (5) is arranged on one side of the movable plate (503), and the buckle block (5) is located on the inner side of the buckle groove (404). The bottom portions of the two ends of the flip frame (601) are Three groups of welding sleeves (701) are installed separately, and an auxiliary spring (702) is arranged inside the welding sleeve (701), a pushing plate (703) is arranged at the end of the auxiliary spring (702), and a connecting rod (704) is installed on one side of the pushing plate (703), and the connecting rod (704) is located on the inner side of the auxiliary spring (702), a connecting plate (705) is installed at the end of the connecting rod (704), and a welding block (707) is installed on one side of the upper end of the connecting plate (705), a clamping plate (7) is installed at the bottom of the welding block (707), and the clamping plate (7) is located on the top of the iron sheet roof (6), four groups of supporting columns (101) are installed at the bottom of the protective shed (1), and a positioning drill rod (203) is arranged on the inner side of the lower end of the supporting column (101), and welding pedals (204) are installed on both sides of the upper end of the positioning drill rod (203).

2. A protective shed for construction engineering according to claim 1, characterized in that: Sliding grooves (102) are provided on both sides of the lower end of the supporting column (101), and the sliding grooves (102) are located on the outer side of the welding pedal (204). A positioning plate (103) is installed on the outer side of the lower end of the supporting column (101), and two groups of limiting brackets (301) are respectively provided on the top of the four corners of the protective shed (1).

3. A protective shed for construction engineering according to claim 1, characterized in that: An auxiliary guide rod (202) is arranged inside the positioning drill rod (203), and a threaded head (201) is installed on the top of the auxiliary guide rod (202), and the threaded head (201) is located inside the supporting column (101). A tip (2) is installed at the bottom of the positioning drill rod (203).

4. A protective shed for construction engineering according to claim 1, characterized in that: A buffer frame (3) is arranged on the inner side of the limit bracket (301), and a damping rod and a spring are arranged inside the buffer frame (3); a telescopic sleeve (303) is arranged on the inner side of the upper end of the buffer frame (3), and a movable block (304) is installed on the top of the telescopic sleeve (303); the movable block (304) is located on the inner side of the limit bracket (301), and a positioning shaft (302) is arranged on the inner side of the limit bracket (301).

5. The protective shed for construction engineering according to claim 1, characterized in that: A through hole (405) is provided on the inner side of the upper end of the insert plate (403), and the through hole (405) is located on the outer side of the limiting shaft (602).

6. A protective shed for construction engineering according to claim 1, characterized in that: A movable groove (402) is provided on the inner side of the limiting frame (4), and the movable groove (402) is located on the outer side of the plug plate (403). A welding seat (401) is installed on the bottom of the limiting frame (4), and the welding seat (401) is located on the top of the protective shed (1).

7. A protective shed for construction engineering according to claim 1, characterized in that: A fixing frame (501) is arranged outside the supporting spring (502), and the fixing frame (501) is located at the front and back of the limiting frame (4). A pull rod (504) is installed outside the movable plate (503), and a pull ring (505) is arranged at the end of the pull rod (504).

8. The protective shed for construction engineering according to claim 1, characterized in that: Two groups of turning sleeves (603) are welded to one side of the turning frame (601), and the turning sleeves (603) are located outside the limiting shaft (602).

9. A protective shed for construction engineering according to claim 1, characterized in that: An auxiliary handle (706) is installed on the outer side of the connecting plate (705).

10. A method for using a protective shed for construction engineering according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. First, according to the needs, the overall protection shed (1) and the support column (101) are moved and adjusted to the position where the protection structure needs to be installed, and then the positioning plate (103) is set on the top of the solid cement floor and fixed with a bolt structure, or fixed on the bottom of the compacted soil. Then, the staff grasps the support column (101) and steps on the two sets of welded pedals (204) at the lower end of the support column (101) with both feet at the same time, and uses its own gravity to control the tip (2) and the positioning drill rod (203) to be inserted into the ground. During the movement, the positioning drill rod (203) will slide stably along the auxiliary guide rod (202), and then the other three sets of positioning drill rods (203) are inserted into the ground in turn for fixing; S2, then determine whether the top iron sheet roof (6) needs to be replaced. After climbing the stepladder, the staff will directly place the patch roof to be installed on the top of the welding block (707), and then adjust the corresponding position. The staff will grasp the two sets of auxiliary handles (706) at the same time to control it. During the pulling process, the internal pushing plate (703) will be pulled by the connecting rod (704) to compress the auxiliary spring (702). At the same time, the connecting plate (705) will be used to control the top clamping plate (7) and the welding block (707) to be extended at the same time. After the extension, the top iron sheet roof (6) will automatically fall on the top of the flip frame (601). After releasing the auxiliary handle (706), the internal auxiliary spring (702) will push the clamping plate (7) to be restricted to the top of the iron sheet roof (6); S3, when the staff is working normally, there is an object above that will contact the iron top (6) immediately after it falls, and the fall will generate a large pressure. The two groups of buffer frames (3) and telescopic sleeves (303) near the edge will provide buffering for the flip frame (601), but the middle area does not have a large supporting force, so the heavy object will control the flip frame (601) to flip toward the middle along the middle limit axis (602), and at the same time, the push plug (403) will be embedded in the inside of the limit frame (4), and the buckle block (5) will limit the plug (403) after being inserted into the inside; S4. Finally, the staff member cleans up the fallen objects on the top. After cleaning, they grasp the two sets of pull rings (505) at the same time and control the movable plate (503) to expand and compress the support spring (502) through the internal pull rod (504). While compressing, the buckle block (5) will separate from the buckle groove (404). The four sets of buffer frames (3) will provide support for the top flip frame (601), thereby controlling the flip frame (601) to reset.

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