Modular protection device for urban rail transit ceiling construction

Abstract

A kind of modular protective device for urban rail transit ceiling construction, including multiple groups of fixing module for being fixed on concrete pier column on both sides of construction area, support module for connecting with same side fixing module, track module installed on both sides support module and protective module connected on track module, the device is set as track module, protective module, support module and fixing module by protective device, when protective module is completely moved to a group of track module in front of moving direction, track module, support module and fixing module in rear of moving direction can be disassembled and reinstalled in front of moving direction, so that protective module can continue to follow construction site and move, without stopping construction and waiting for the transfer work of protective module, improve the speed of construction.

Description

Technical Field

[0001] This invention relates to the field of protection during the construction of urban rail transit roofs, and in particular to a modular protective device for the construction of urban rail transit roofs. Background Technology

[0002] The construction of steel structures and concrete above urban rail transit systems poses significant safety risks, frequently causing pollution and damage to the operating lines and greatly impacting the construction schedule. Therefore, protective devices need to be installed below the construction site during construction to not only prevent foreign objects from falling and polluting or damaging the operating lines, but also to provide safety protection in case of personnel falling.

[0003] Existing protective devices typically consist of steel structure protective canopies. However, the local construction area above urban rail transit is relatively small, requiring frequent relocation of the steel structure protective canopy to the area below the construction site. Furthermore, the disassembly and reassembly of the steel structure protective canopy is inconvenient, and construction cannot be carried out during the disassembly and reinstallation process, thus affecting the construction speed and reducing construction efficiency. Summary of the Invention

[0004] This invention addresses the shortcomings of existing technologies by providing a modular protective device for urban rail transit roof construction that improves construction speed and efficiency.

[0005] To achieve the above objectives, the present invention first proposes a modular protective device for the construction of urban rail transit canopy, comprising multiple sets of fixing modules for fixing on concrete piers on both sides of the construction area, a support module supported on the fixing modules of multiple concrete piers on the same side, a track module installed on the support modules on both sides, and a protective module that is rolled on the track module.

[0006] In this embodiment, the track module includes two sets of parallel slide rails; several sets of equal number of first and second crossbeams are respectively arranged perpendicular to the slide rails on the opposite side wall of the slide rails; the inner cavity of the first crossbeam matches the size of the second crossbeam, and the second crossbeam is slidably inserted into the first crossbeam to connect the two sets of slide rails; one end of the slide rail is provided with a connecting block, and the other end is provided with a connecting groove that matches the connecting block; adjacent track modules are connected to each other through the connecting blocks inserted into the connecting grooves.

[0007] In this embodiment, a traction ring is fixed on the top of the first crossbeam near both ends of the track module, and an electric traction hoist matching the traction ring is installed on the protective module on the side facing the direction of movement.

[0008] In this embodiment, the slide rail includes a track beam, and a guide rail is installed on the top of the track beam along the length direction. The guide rail includes a first limiting plate and a second limiting plate. The first limiting plate and the second limiting plate are respectively vertically arranged on both sides of the top of the track beam, and the distance between the first limiting plate and the second limiting plate matches the size of the roller.

[0009] In this embodiment, the second limiting plate is hinged to the side of the track beam. In the working state, the second limiting plate rotates to the top of the track beam perpendicular to the top surface of the track beam, and the bottom of the second limiting plate is supported on the top of the track beam. A locking device is also fixed between the second limiting plate and the track beam to lock the second limiting plate in the working state. A groove extending along the length direction is provided on the bottom of the inner wall of the side of the first limiting plate facing the second limiting plate. A cleaning plate matching the size of the groove is slidably connected in the groove, and the bottom surface of the cleaning plate is slidably connected to the top surface of the track beam. An electric push rod is installed on the outer wall of the first limiting plate. The electric push rod is vertically installed on the outer wall of the first limiting plate, and the output end of the electric push rod passes through the first limiting plate and is vertically connected to the cleaning plate. The cleaning plate can be moved along the width direction of the top surface of the track beam by the electric push rod.

[0010] In this embodiment, the support module includes a support plate; the support plate is fixed to the bottom of the slide rail, and a slide groove is provided at the bottom of the support plate; a plurality of sliders are slidably connected in the slide groove; a first support column is hinged to the bottom of the slider; a second support column is fixed to the bottom of the first support column; a first connecting column and a second connecting column are respectively fixed on the side of the first support column and the second support column facing the concrete pier column, and the support module is connected to the fixing module through the first connecting column and the second connecting column.

[0011] In this embodiment, the fixing module includes two sets of clamps that match the size of the concrete pier column. The two sets of clamps are arranged coaxially from top to bottom, and the distance between the two sets of clamps matches the distance between the first connecting column and the second connecting column. A first fixing block and a second fixing block are fixed on the outer wall of the clamps. The two sets of clamps are connected as a whole by a first reinforcing column fixed between the two first fixing blocks and a second reinforcing column fixed between the two second fixing blocks. A connecting groove matching the size of the first connecting column and the second connecting column is opened on the outer wall of the first fixing block. Bolt holes are correspondingly provided on the connecting groove, the first connecting column and the second connecting column. The first connecting column and the second connecting column are fixed in the connecting groove of the first fixing block by a first fixing bolt and locked by a first nut.

[0012] In this embodiment, the protective module includes a mounting frame; the mounting frame has a cavity and a top opening inside, a buffer device is installed in the cavity of the mounting frame and on the bottom plate, the top of the mounting frame has a buffer pad that matches the size of the top opening, the buffer pad is supported on the bottom plate of the mounting frame by the buffer device, and the bottom of the mounting frame has several sets of rollers that match the slide rail.

[0013] In this embodiment, the buffer device includes several sets of impact-resistant plates, which are uniformly fixed on the base plate of the mounting frame; several sets of buffer springs are uniformly fixed on the top of the impact-resistant plates, and the bottom of the buffer pad is fixed on the buffer springs.

[0014] In this embodiment, the radius of the roller is greater than the depth of the guide rail on the slide rail.

[0015] By employing the above structure, the present invention has the following advantages compared with the prior art:

[0016] 1. This device is configured with a track module, a protective module, a support module, and a fixing module. Utilizing a modular design, installation is guaranteed. After the protective module has moved the distance of one set of modules, the track, support, and fixing modules along its path can be disassembled and reinstalled in the direction of movement. This cycle repeats continuously. Firstly, the protective module can continue to move with the construction site without interrupting construction, ensuring continuous work for personnel and increasing construction speed and efficiency. Secondly, only a few sets of this device are needed to complete the installation of the entire construction area, saving costs. Furthermore, the modular design allows for easy replacement of the corresponding module in case of malfunction, avoiding delays in the project schedule.

[0017] 2. This device is fitted onto the concrete pier with clamps to serve as a load-bearing component, allowing for quick installation and disassembly of the fixed module, thus improving the efficiency of the protective device.

[0018] 3. The spacing of the first support column can be adjusted by the sliding groove on the support plate, which can adapt to the spacing of different concrete piers and improve the installation compatibility of the protective device.

[0019] 4. When this device is used, if a construction worker falls from a height, the worker will first land on the buffer pad. The impact force is buffered by the compression of the buffer spring, and the buffer pad will form a depression. This not only reduces the injury to the construction worker when falling, but also prevents the construction worker from sliding off the protective module when it is tilted, thus improving the safety performance of the protective device.

[0020] 5. With this device, before each advance of the protective module during construction, the hinge between the second limiting plate and the track beam is released, and the second limiting plate is rotated to the side of the track beam. Then, the electric push rod is controlled to drive the cleaning plate to extend and remove foreign objects from the top of the track beam. This prevents foreign objects from entering the slide rail during construction, which could obstruct the advance of the protective module. It also avoids the need for manual cleaning and improves the cleaning efficiency of the protective device. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the track module of the present invention;

[0023] Figure 3 This is a right sectional view of the slide rail of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the protection module of the present invention;

[0025] Figure 5 This is a schematic diagram of the left cross-section of the protection module of the present invention;

[0026] Figure 6 This is a schematic diagram of the support module of the present invention;

[0027] Figure 7 This is a bottom view of the support module of the present invention;

[0028] Figure 8 This is a schematic diagram of the fixing module of the present invention;

[0029] Figure 9 This is a top sectional view of the clamp of the present invention.

[0030] In the diagram: 1. Track module; 2. Protection module; 3. Support module; 4. Fixing module; 101. Slide rail; 102. First crossbeam; 103. Second crossbeam; 104. Connecting block; 105. First connecting groove; 106. Traction ring; 1011. Track beam; 1012. First limiting plate; 1013. Second limiting plate; 1014. Cleaning plate; 1015. Electric push rod; 201. Mounting frame; 202. Roller; 203. Electric traction hoist; 204. Buffer pad; 205. Mounting beam; 2 06. Impact-resistant plate; 207. Buffer spring; 301. Support plate; 302. Slider; 303. First support column; 304. Second support column; 305. First connecting column; 306. Second connecting column; 307. Slide groove; 401. Clamp; 402. First fixing block; 403. Second fixing block; 404. First reinforcing column; 405. Second reinforcing column; 406. Second connecting groove; 407. First fixing bolt; 408. First nut; 409. Second fixing bolt; 410. Second nut. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0032] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

[0033] like Figure 1 As shown, this embodiment of the invention provides a modular protective device for the construction of urban rail transit canopy, including multiple sets of fixing modules 4 for fixing on concrete piers on both sides of the construction area, support modules 3 supported on the fixing modules 4 of multiple concrete piers on the same side, track modules 1 installed on the support modules 3 on both sides, and protective modules 2 that are rolled on the track modules 1.

[0034] like Figure 2As shown, the track module 1 includes two sets of parallel slide rails 101, a first crossbeam 102, and a second crossbeam 103. Several sets of identical first crossbeams 102 and second crossbeams 103 are respectively arranged perpendicularly to the slide rails 101 on opposite side walls. The inner cavity of the first crossbeam 102 matches the size of the second crossbeam 103. The second crossbeam 103 is slidably inserted into the first crossbeam 102 to connect the two sets of slide rails 101. One end of each slide rail 101 is provided with a connecting block 104, and the other end is provided with a first connecting groove 105 that matches the connecting block 104. Adjacent track modules 1 are connected to each other through the connecting block 104 inserted into the first connecting groove 105. Traction rings 106 are fixed to the top of the first crossbeams 102 near both ends of the track module 1.

[0035] like Figure 3 As shown, the slide rail 101 includes a track beam 1011 and a guide rail; the guide rail is installed on the top of the track beam 1011 along its length direction, and the guide rail is composed of a first limiting plate 1012 and a second limiting plate 1013. The first limiting plate 1012 and the second limiting plate 1013 are respectively vertically arranged on both sides of the top of the track beam 1011. The distance between the first limiting plate 1012 and the second limiting plate 1013 matches the size of the roller 202. In this embodiment, the second limiting plate 1013 is hinged to the side of the track beam 1011 by a hinge. In the working state, the second limiting plate 1013 rotates to the top of the track beam 1011 and the top of the track beam 1011. The second limiting plate 1013 is perpendicular to the surface and its bottom is supported on the top of the track beam 1011. In the non-working state, the second limiting plate 1013 rotates around the hinge to the side of the track beam 1011. A locking device is also fixed between the second limiting plate 1013 and the track beam 1011 to lock the second limiting plate 1013 in the working state. The locking device is prior art and is not shown in the drawings. In this embodiment, the locking device includes a pin fixed to the outside of the second limiting plate 1013 and a hook hinged to the side of the track beam 1011. In the working state, by rotating the hook, the end of the hook is engaged with the pin, thereby locking the second limiting plate 1013 in the working state.

[0036] In this embodiment, a groove extending along the length direction is provided on the bottom of the inner wall of the first limiting plate 1012 facing the second limiting plate 1013. A cleaning plate 1014 matching the size of the groove is slidably connected in the groove. The bottom surface of the cleaning plate 1014 is slidably connected to the top surface of the track beam 1011. An electric push rod 1015 is provided on the side wall of the first limiting plate 1012 away from the second limiting plate 1013. The output end of the electric push rod 1015 is perpendicularly connected to the cleaning plate 1014. The cleaning plate 1014 can be pushed to move along the width direction of the top surface of the track beam 1011 by the electric push rod 1015. With the cooperation of the second limiting plate 1013 and the cleaning plate 1014, when there are foreign objects in the slide rail 101, the locking device can be released, the second limiting plate 1013 can be rotated to the side of the track beam 1011, and then the electric push rod 1015 can be controlled to drive the cleaning plate 1014 to extend and remove the foreign objects on the top of the track beam 1011, thus avoiding the need for manual cleaning and improving the cleaning efficiency of the protective device.

[0037] Such as 4 and Figure 5 As shown, the protective module 2 includes a mounting frame 201; the mounting frame 201 has an internal cavity and a top opening; the base plate of the mounting frame 201 is composed of multiple equally spaced mounting beams 205; a buffer device is installed inside the cavity of the mounting frame 201 and on the base plate, the buffer device including several sets of impact-resistant plates 206; several sets of buffer springs 207 are arranged in a rectangular array on the top of the impact-resistant plates 206; the top of the mounting frame 201 is provided with a buffer pad 204 matching the size of the top opening, the buffer pad 204... 4. The protective module 2 is supported on the base plate of the mounting frame 201 by a buffer spring 207. An electric traction hoist 203 is installed on the side of the mounting frame 201 facing the direction of movement. Several sets of rollers 202 matching the slide rail 101 are installed at the bottom of the mounting frame 201. The radius of the rollers 202 is greater than the depth of the guide rail on the slide rail 101. After the protective module 2 is installed on the slide rail 101, the two sides of the rollers 202 are limited by the first limiting plate 1012 and the second limiting plate 1013, and the bottom is supported on the top of the track beam 1011.

[0038] like Figure 6 and Figure 7As shown, the support module 3 includes a support plate 301; the slide rail 101 of the track module 1 is fixed on the support plate 301 (the fixing method can be bolt connection, which facilitates disassembly); a slide groove 307 is provided at the bottom of the support plate 301; several sets of sliders 302 are slidably connected in the slide groove 307; a first support column 303 is hinged to the bottom of the slider 302 (the hinge axis is parallel to the length direction of the support plate 301, so that the support plate 301 can rotate around the first support column 303 towards the concrete pier at a certain angle, which facilitates the installation and connection of the track module 1); a second support column 304 is fixed to the bottom of the first support column 303; a first connecting column 305 and a second connecting column 306 are respectively fixed on the side of the first support column 303 and the second support column 304 facing the concrete pier, and the first connecting column 305 and the second connecting column 306 serve as extension rods to facilitate the connection between the support plate 301 and the fixing module 4.

[0039] like Figure 8 and Figure 9 As shown, the fixing module 4 includes two sets of clamps 401 that match the size of the concrete pier column. The clamps 401 are locked to the concrete pier column by a second fixing bolt 409 and a second nut 410. The two sets of clamps 401 are arranged coaxially, and the distance between the two sets of clamps 401 matches the distance between the first connecting column 305 and the second connecting column 306. A first fixing block 402 and a second fixing block 403 are fixed on the outer wall of the clamps 401. The two sets of clamps 401 are connected by a first reinforcing column 404 fixed between the two first fixing blocks 402 and a second fixing block 403 fixed to the first fixing block 402. The second reinforcing column 405 between the two second fixing blocks 403 is connected as a whole; a second connecting groove 406 matching the size of the first connecting column 305 and the second connecting column 306 is provided on the outer side wall of the first fixing block 402; bolt holes are provided on the second connecting groove 406, the first connecting column 305 and the second connecting column 306 respectively; the first connecting column 305 and the second connecting column 306 are fixed in the second connecting groove 406 of the first fixing block 402 of the upper and lower clamps 401 by the first fixing bolt 407 and locked by the first nut 408.

[0040] The working principle of this invention is as follows:

[0041] During installation, firstly, several sets of clamps 401 are fixed onto the corresponding sets of concrete piers. Then, several sets of sliders 302 are slid according to the spacing of several sets of fixing modules 4. After adjusting the spacing of several sets of first support columns 303, the sliders 302 are limited in the grooves 307 using clips or screws. Then, several sets of first connecting columns 305 and second connecting columns 306 are respectively inserted into the second connecting grooves 406 of the first fixing blocks 402 of the upper and lower clamps 401. The first connecting columns 305 and second connecting columns 306 are locked onto the first fixing blocks 402 by the first fixing bolts 407 and the first nuts 408, so that the fixing module 4 and the support module 3 are connected and fixed.

[0042] Then, based on the spacing between the two sets of parallel support plates 301, adjust the spacing between the two sets of slide rails 101, and fix the two sets of slide rails 101 to the top of the corresponding support plates 301. Connect several sets of track modules 1 end to end in sequence, so that the connecting blocks 104 of adjacent track modules 1 are inserted into the first connecting slots 105, completing the connection of adjacent track modules 1. Then, slide the protective module 2 into the guide rail at the top of the track module 1, so that the roller 202 can roll in the guide rail under the limitation of the first limiting plate 1012 and the second limiting plate 1013.

[0043] The traction rope of the electric traction hoist 203 is connected to the traction ring 106 at the front of the movement direction, so that when the electric traction hoist 203 is started, the protective module 2 can be moved to follow the construction site. After the protective module 2 has moved a set of track modules 1, the track modules 1, support modules 3 and fixing modules 4 along the path traversed by the protective module 2 can be disassembled and reinstalled at the front of the movement direction. This process is repeated in a cycle to ensure that construction personnel can work continuously.

[0044] When a construction worker falls from a height using this device, the worker will first land on the buffer pad 204. The impact force will be buffered by the compression of the buffer spring 207, and the buffer pad 204 will form a depression. This not only reduces the injury to the construction worker when falling, but also prevents the construction worker from sliding off the protective module 2 when it is tilted, thus improving the safety performance of the protective device.

[0045] When there are foreign objects in the slide rail 101, the second limiting plate 1013 can be released from the engagement with the track beam 1011, the second limiting plate 1013 can be rotated to the side of the track beam 1011, and then the electric push rod 1015 can be controlled to drive the cleaning plate 1014 to extend and remove the foreign objects from the top of the track beam 1011. This avoids the need for manual cleaning and improves the cleaning efficiency of the protective device.

[0046] By fitting several sets of clamps 401 onto several sets of concrete piers, and then using several sets of second fixing bolts 409 and second nuts to fix the two sets of second fixing blocks 403 respectively, the fixing module 4 can be quickly installed and disassembled, improving the efficiency of the installation and disassembly of the protective device.

[0047] By sliding several sets of sliders 302 and adjusting the spacing of several sets of first support columns 303, the sliders 302 are limited. Then, several sets of first connecting columns 305 and second connecting columns 306 are movably inserted into the corresponding two sets of second connecting slots 406. Several sets of first fixing bolts 407 are movably inserted into the corresponding two sets of first fixing blocks 402, first connecting columns 305 and second connecting columns 306 and threaded onto the first nuts 408. Regardless of whether the spacing of several sets of fixing modules 4 is consistent or whether there is a height difference, the installation of the support module 3 can be completed, improving the installation compatibility of the protective device.

[0048] By configuring the protective device as track module 1, protective module 2, support module 3, and fixing module 4, not only can the corresponding modules be quickly replaced when the protective device malfunctions, avoiding delays in the construction period, but also, when the protective module 2 has completely moved to a set of track modules 1 in front of the moving direction, the track modules 1, support modules 3, and fixing modules 4 behind the moving direction can be disassembled and reinstalled in front of the moving direction. This allows the protective module 2 to continue moving with the construction site without stopping construction to wait for the transfer of the protective module 2, thus improving the construction speed.

[0049] The above are merely preferred embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent structural transformations made under the concept of the present invention using the description and drawings of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A modular protective device for the construction of urban rail transit canopy, characterized in that: It includes multiple sets of fixing modules (4) for fixing on concrete piers on both sides of the construction area, support modules (3) supported on multiple sets of fixing modules (4) on the same side, track modules (1) installed on the support modules (3) on both sides, and protective modules (2) that are rolled on the track modules (1); the track module (1) includes two sets of parallel slide rails (101), one end of the slide rail (101) is provided with a connecting block (104), and the other end is provided with a connecting groove that matches the connecting block (104). Adjacent track modules (1) are connected to each other through the connecting block (104) inserted in the connecting groove. The support module (3) includes a support plate (301); the slide rail (101) of the track module (1) is fixed on the support plate (301), and the bottom of the support plate (301) is provided with a slide groove (307); a number of sliders (302) are slidably connected in the slide groove (307); the bottom of the slider (302) is hinged to a first support column (303); the bottom of the first support column (303) is fixed with a second support column (304); the first support column (303) and the second support column (304) are respectively fixed with a first connecting column (305) and a second connecting column (306) on the side of the first support column (303) and the second support column (304) facing the concrete pier, and the support module (3) is connected to the fixing module (4) through the first connecting column (305) and the second connecting column (306).

2. The modular protective device for urban rail transit canopy construction according to claim 1, characterized in that: On the side wall opposite to the slide rail (101), there are a number of first crossbeams (102) and second crossbeams (103) arranged perpendicularly to the slide rail (101); the inner cavity of the first crossbeam (102) matches the size of the second crossbeam (103), and the second crossbeam (103) is slidably inserted into the first crossbeam (102) to realize the sliding connection of the two sets of slide rails (101).

3. The modular protective device for urban rail transit canopy construction according to claim 2, characterized in that: A traction ring (106) is fixed on the top of the first crossbeam (102) near both ends of the track module (1), and an electric traction hoist (203) matching the traction ring (106) is installed on the protective module (2) on the side facing the direction of movement.

4. The modular protective device for urban rail transit canopy construction according to claim 2, characterized in that: The slide rail (101) includes a track beam (1011) and a guide rail. The guide rail is installed on the top of the track beam (1011) along the length direction. The guide rail includes a first limiting plate (1012) and a second limiting plate (1013). The first limiting plate (1012) and the second limiting plate (1013) are respectively vertically arranged on both sides of the top of the track beam (1011). The distance between the first limiting plate (1012) and the second limiting plate (1013) matches the size of the roller (202) at the bottom of the protective module (2).

5. The modular protective device for urban rail transit canopy construction according to claim 4, characterized in that: The second limiting plate (1013) is hinged to the side of the track beam (1011) via a hinge. In the working state, the second limiting plate (1013) rotates until the top of the track beam (1011) is perpendicular to the top surface of the track beam (1011), and the bottom of the second limiting plate (1013) is supported on the top of the track beam (1011). In the non-working state, the second limiting plate (1013) rotates around the hinge to the side of the track beam (1011). A locking device is also fixed between the second limiting plate (1013) and the track beam (1011) to lock the second limiting plate (1013) in the working state. The bottom of the inner wall of the first limiting plate (1012) facing the second limiting plate (1013) is provided with a groove extending along the length direction. A cleaning plate (1014) matching the size of the groove is slidably connected in the groove. The bottom surface of the cleaning plate (1014) is slidably connected to the top surface of the track beam (1011). An electric push rod (1015) is installed on the outer wall of the first limiting plate (1012). The electric push rod (1015) is vertically installed on the outer wall of the first limiting plate (1012), and the output end of the electric push rod (1015) passes through the first limiting plate (1012) and connects to the cleaning plate (1014).

6. The modular protective device for urban rail transit canopy construction according to any one of claims 2 to 5, characterized in that: The fixing module (4) includes two sets of clamps (401) matching the size of the concrete pier column. The two sets of clamps (401) are arranged vertically, and the spacing between the two sets of clamps (401) matches the spacing between the first connecting column (305) and the second connecting column (306). A first fixing block (402) and a second fixing block (403) are fixed on the outer wall of the clamps (401). The two sets of clamps (401) are connected by a first reinforcing column (404) fixed between the two first fixing blocks (402) and a second fixing block (403) fixed between the two second fixing blocks (402). The second reinforcing column (405) between 403) is connected as a whole; the outer side wall of the first fixing block (402) is provided with a connecting groove that matches the size of the first connecting column (305) and the second connecting column (306); the connecting groove, the first connecting column (305) and the second connecting column (306) are provided with bolt holes respectively; the first connecting column (305) and the second connecting column (306) are fixed in the connecting groove of the first fixing block (402) by the first fixing bolt (407) and locked by the first nut (408).

7. The modular protective device for urban rail transit canopy construction according to claim 6, characterized in that: The protective module (2) includes a mounting frame (201); the mounting frame (201) has a cavity and a top opening inside. A buffer device is installed in the cavity of the mounting frame (201) and on the bottom plate. A buffer pad (204) matching the size of the top opening is provided on the top of the mounting frame (201). The buffer pad (204) is supported on the bottom plate of the mounting frame (201) by the buffer device. Several sets of rollers (202) matching the slide rail (101) are installed at the bottom of the mounting frame (201).

8. The modular protective device for urban rail transit canopy construction according to claim 7, characterized in that: The buffer device includes several sets of impact-resistant plates (206), which are uniformly fixed on the base plate of the mounting frame (201); several sets of buffer springs (207) are uniformly fixed on the top of the impact-resistant plates (206), and the bottom of the buffer pad (204) is fixed on the buffer springs (207).

9. The modular protective device for urban rail transit canopy construction according to claim 7, characterized in that: The radius of the roller (202) is greater than the depth of the guide rail on the slide rail (101).

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