Protective platform

Abstract

The utility model discloses a protection platform and relates to the technical field of construction protection equipment, the protection platform is used for a steel box girder, the steel box girder comprises a box girder body and a plurality of outrigger partition plates arranged corresponding to flange plates of the box girder body, and the protection platform comprises a platform frame and a protection structure. A connecting part and a mounting part are formed on the platform frame, and the connecting part is used for being detachably connected to the cantilever beam partition plate. According to the technical scheme, the connecting part is detachably connected with the cantilever beam partition plate, the platform frame and the cantilever beam partition plate can be assembled and disassembled, the purpose of recycling the protection platform is achieved, the protection platform is further suitable for being used by other steel box girders, and the service life of the protection platform is prolonged. And the mounting part laterally protrudes out of the flange plate, and a bearing channel is expanded on the steel box girder, so that the effect of bearing falling objects conveniently is achieved, and the safety of a test vehicle on a high-speed loop is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of construction protection equipment, in particular to a protection platform. Background Art

[0002] In the bridge engineering of the automobile test field project, a 58-meter-long steel box girder is set up to cross the existing high-speed ring road (hereinafter referred to as the "high-speed ring"). The steel box girder is 3 meters high and the bridge deck is 8 meters away from the high-speed ring. The jacking construction technology is adopted. The total length of the high-speed ring is 7,850 meters. It is mainly used for the development and verification tests of vehicle performance such as maximum speed and durability, and the maximum allowable speed is 300 km / h. At present, the steel box girder has been jacked into place and the beam has been lowered. During the subsequent installation and pouring of concrete guardrail formwork, installation of sound barriers and monitoring, and bridge deck paving, the high-speed ring road is in normal operation. However, any falling objects during the construction process may interfere with the test vehicle and cause safety accidents.

[0003] In view of this, we propose a protection platform to solve the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a protection platform, which is intended to protect the steel box girder and prevent falling objects from falling.

[0005] To achieve the above-mentioned purpose, the present invention proposes a protective platform for a steel box girder, wherein the steel box girder comprises a box girder body and a plurality of cantilever beam partitions arranged corresponding to the flange plates of the box girder body. The protective platform comprises:

[0006] A platform frame is formed with a connecting portion and a mounting portion, wherein the connecting portion is used to be detachably connected to the cantilever beam partition, and the mounting portion is used to laterally protrude the flange plate; and

[0007] A protective structure is connected to the platform frame. The protective structure and the platform frame form a receiving channel opening upward at the installation portion corresponding to the mounting portion, so as to receive objects falling from the box beam body.

[0008] In one embodiment, the connecting portion includes a plurality of mounting brackets provided corresponding to the plurality of cantilever beam partitions, and each of the mounting brackets is connected to the corresponding cantilever beam partition via a snap assembly.

[0009] In one embodiment, the buckle assembly includes:

[0010] Two fastening members, each of which is formed with a fastening groove, the openings of the fastening grooves of the two fastening members are arranged opposite to each other, and are used to fasten the plate edges of the horizontal plate portion at the lower end of the cantilever beam partition respectively;

[0011] Two connecting plates, correspondingly connected to the two fastening members; and

[0012] A locking bolt is fastened between the two connecting plates and the connecting portion.

[0013] In one embodiment, the connecting portion includes a plurality of mounting brackets provided corresponding to the plurality of cantilever beam partitions, each mounting bracket includes a bearing rod and a transverse connecting rod, the upper end of the bearing rod is detachably connected to the cantilever beam partition, and one end of the transverse connecting rod is connected to the lower end of the bearing rod;

[0014] The mounting portion includes a side connecting bracket connected to the other end of the transverse connecting rod, and the receiving channel is defined between the load-bearing rod and the side connecting bracket.

[0015] In one embodiment, the load-bearing rods and / or the transverse connecting rods include channel steels.

[0016] In one embodiment, the mounting portion includes a side connecting bracket, and the side connecting bracket includes:

[0017] Two longitudinal connecting rods, each of the longitudinal connecting rods is arranged in a longitudinal direction, and the two longitudinal connecting rods are spaced apart in the vertical direction, including an upper longitudinal connecting rod and a lower longitudinal connecting rod distributed in the vertical direction, and the lower longitudinal connecting rod is connected to the connecting portion; and

[0018] A plurality of vertical connecting rods are arranged at intervals along the longitudinal direction, and the lower end of each vertical connecting rod is connected to the lower longitudinal connecting rod, and the upper ends of the plurality of vertical connecting rods are connected to the upper longitudinal connecting rod.

[0019] In one embodiment, a plurality of overlapping positions are formed between the two longitudinal connecting rods and the plurality of vertical connecting rods, and a connecting fastener is provided at at least one of the overlapping positions for locking the longitudinal connecting rod and the corresponding vertical connecting rod; and / or,

[0020] The longitudinal connecting rod and / or the vertical connecting rod include steel pipes.

[0021] In one embodiment, the connecting portion includes a plurality of mounting brackets provided corresponding to the plurality of cantilever beam partitions, each mounting bracket includes a bearing rod and a transverse connecting rod, and the mounting portion includes a side connecting bracket;

[0022] The protective structure includes a dense mesh and a steel wire rope supporting the dense mesh, wherein the dense mesh includes an inner dense mesh segment corresponding to the plurality of bearing rods, an outer dense mesh segment corresponding to the side connecting bracket, and a bottom dense mesh segment connected to the inner dense mesh segment and the outer dense mesh segment;

[0023] The protective structure also includes a plurality of wooden planks and a pad connected to the plurality of wooden planks. The plurality of wooden planks are laid side by side on the platform frame. The pad is fixed to the plurality of wooden planks. The pad is used to receive the bottom dense mesh segment.

[0024] In one embodiment, the connecting portion includes a plurality of mounting brackets provided corresponding to the plurality of cantilever beam partitions, and each mounting bracket includes a bearing rod and a transverse connecting rod;

[0025] In one of the mounting brackets, two bearing rods are provided, and the two bearing rods include an inner bearing rod and an outer bearing rod. The transverse connecting rod extends inwardly to connect with the inner bearing rod, and the receiving channel is defined on the outside of the outer bearing rod.

[0026] In one embodiment, each of the mounting brackets is connected to the corresponding cantilever beam partition through a snap assembly;

[0027] Geotextiles are provided at the ends of the inner ends of the transverse connecting rods and inside the buckle components, so as to flexibly abut against the webs of the box beam body and the cantilever beam diaphragms.

[0028] The technical solution of the present invention adopts a detachable connection between the connecting part and the cantilever beam partition, so that the platform frame and the cantilever beam partition can be installed and disassembled, thereby achieving the purpose of repeatedly recycling the protective platform and adapting to the use of other steel box girders. By setting the flange plate with the mounting part protruding laterally outward, a receiving channel is expanded outward on the steel box girder, which facilitates the reception of falling objects and protects the safety of test vehicles on the high-speed ring road. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0030] Figure 1 A schematic structural diagram of an embodiment of a protective platform provided by the present utility model;

[0031] Figure 2 This is a schematic diagram of the connection between the mounting bracket and the buckle assembly in the protective platform structure provided by the utility model;

[0032] Figure 3 This is a schematic diagram of the connection between the steel wire rope and the side connecting bracket in the protection platform structure provided by the utility model.

[0033] Description of Figure Numbers:

[0034] 100. Protection platform; 1. Platform frame; 11. Connecting part; 111. Mounting bracket; 1111. Load-bearing rod; 1111a. Inner load-bearing rod; 1111b. Outer load-bearing rod; 1112. Horizontal connecting rod; 12. Mounting part; 121. Side connecting bracket; 1211. Longitudinal connecting rod; 1211a. Upper longitudinal connecting rod; 1211b. Lower longitudinal connecting rod; 1212. Vertical connecting rod; 2. Protection structure; 21. Receiving channel; 22. Fine mesh; 221. Inner fine mesh segment; 222. Outer fine mesh segment; 223. Bottom fine mesh segment; 23. Wire rope; 24. Wooden square; 25. Pad; 3. Buckle assembly; 31. Buckle holder; 311. Buckle groove; 32. Connecting plate; 33. Locking bolt; 4. Connecting fastener.

[0035] 200. Steel box girder; 1a. Box girder body; 2a. Flange plate; 3a. Cantilever beam partition.

[0036] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0040] In the bridge engineering of the automobile test field project, a 58-meter-long steel box girder is set up to cross the existing high-speed ring road (hereinafter referred to as the "high-speed ring"). The steel box girder is 3 meters high and the bridge deck is 8 meters away from the high-speed ring. The jacking construction technology is adopted. The total length of the high-speed ring is 7,850 meters. It is mainly used for the development and verification tests of vehicle performance such as maximum speed and durability, and the maximum allowable speed is 300 km / h. At present, the steel box girder has been jacked into place and the beam has been lowered. During the subsequent installation and pouring of concrete guardrail formwork, installation of sound barriers and monitoring, and bridge deck paving, the high-speed ring road is in normal operation. However, any falling objects during the construction process may interfere with the test vehicle and cause safety accidents.

[0041] The utility model provides a protection platform.

[0042] See also Figure 1-3 In one embodiment of the present utility model, the protective platform 100 is used for a steel box girder 200, which includes a box girder body 1a and a plurality of cantilever beam partitions 3a corresponding to the flange plates 2a of the box girder body 1a. The protective platform 100 includes a platform frame 1 and a protective structure 2; the platform frame 1 is formed with a connecting portion 11 and an installation portion 12, the connecting portion 11 is used to be detachably connected to the cantilever beam partition 3a, and the installation portion 12 is used to protrude the flange plate 2a laterally outward; the protective structure 2 is connected to the platform frame 1, and the protective structure 2 and the platform frame 1 form a receiving channel 21 with an upward opening at the installation portion 12 for receiving objects falling from the box girder body 1a.

[0043] In the technical solution of the present invention, the protective platform 100 includes a platform frame 1 and a protective structure 2; the platform frame 1 is formed with a connecting portion 11 and a mounting portion 12, the connecting portion 11 is used to be detachably connected to the cantilever beam partition 3a, and the mounting portion 12 is used to protrude the flange plate 2a laterally outward; the protective structure 2 is connected to the platform frame 1, and the protective structure 2 and the platform frame 1 form a receiving channel 21 with an upward opening at the mounting portion 12 to receive the box beam body 1a. Falling objects, in this way, the platform frame 1 and the cantilever beam partition 3a can be disassembled through the detachable connection between the connecting part 11 and the cantilever beam partition 3a, so as to achieve the purpose of repeatedly recycling the protective platform 100, and then adapt to the use of other steel box girders 200, and by setting the flange plate 2a protruding laterally outward from the mounting part 12, a receiving channel 21 is expanded outward on the steel box girder 200, which facilitates the reception of falling objects, thereby protecting the safety of test vehicles on the high-speed ring road.

[0044] In the specific settings of the connecting portion 11 and the mounting portion 12, they can be either strips or rods, for example, one is set up with strips and the other is set up with rods; they can also be both set up with strips, or they can be both set up with rods; for specific and detailed settings, please refer to the following specific description of the settings of the connecting portion 11 and the mounting portion 12.

[0045] In some embodiments, there are multiple ways of detachable connection, such as spring clamping or bolt connection. In an embodiment of the present utility model, the connecting portion 11 includes a plurality of mounting brackets 111 corresponding to the plurality of cantilever beam partitions 3a, and each of the mounting brackets 111 is connected to the corresponding cantilever beam partition 3a through a snap assembly 3. In this way, through the setting of the snap assembly 3, each of the mounting brackets 111 can be installed and disassembled, which is conducive to the reuse of the protective platform 100.

[0046] Specifically, the buckle assembly 3 includes two fasteners 31 and two connecting plates 32 and a locking bolt 33. Each of the fasteners 31 is formed with a buckle groove 311. The openings of the buckle grooves 311 of the two fasteners 31 are arranged relative to each other, and are used to respectively buckle the plate edges of the horizontal plate portions at the lower ends of the cantilever partitions 3a; the two connecting plates 32 are respectively connected to the two fasteners 31, wherein the lower ends of the fasteners 31 are fixed to the tops of the connecting plates 32; the locking bolts 33 are fastened to the fasteners 31. It is connected between the two connecting plates 32 and the connecting part 11, so that the buckle groove 311 is clamped relative to the edge of the horizontal plate part at the lower end of the cantilever beam partition 3a, that is, the connecting plate 32 clamps and fixes the mounting bracket 111, and connects and fixes the mounting bracket 111 to the cantilever beam partition 3a through the locking bolt 33, realizing disassembly and installation by bolts. The bolts have high fatigue strength and strong reliability, making the installation of the mounting bracket 111 and the cantilever beam partition 3a more secure.

[0047] In some embodiments, there are various ways to set up the fastener 31, which can be a plastic arc-shaped splint or a straight iron plate. In this embodiment, in order to better fix it with the cantilever beam partition 3a, the fastener 31 is set as a special steel plate in the shape of '[', which is adapted to the edge of the horizontal plate at the lower end of the cantilever beam partition 3a and is firmly clamped.

[0048] It should be added that a connecting bolt can also be provided on the fastening member 31 to fix the fastening member 31 to the edge of the horizontal plate portion at the lower end of the cantilever partition 3a, thereby improving the stability of the snap assembly 3 during installation.

[0049] In order to improve the installation efficiency of the protection platform 100, in the technical solution of this embodiment, the connecting portion 11 includes a plurality of mounting brackets 111 corresponding to the plurality of cantilever beam partitions 3a, each of the mounting brackets 111 includes a load-bearing rod 1111 and a transverse connecting rod 1112, the upper end of the load-bearing rod 1111 is used to be detachably connected to the cantilever beam partition 3a, and one end of the transverse connecting rod 1112 is connected to the lower end of the load-bearing rod 1111; the mounting portion 12 includes a side connecting bracket 121, and the side connecting bracket 121 is connected to the other end of the transverse connecting rod 1112, and the receiving channel 21 is limited to the load-bearing Between the rod 1111 and the side connecting bracket 121, in this way, the detachable connection between the bearing rod 1111 and the cantilever beam partition 3a can also be achieved by adopting the snap assembly 3, that is, the bearing rod 1111 is placed between the two connecting plates 32, and the two fasteners 31 clamp the cantilever beam partition 3a, and then the locking bolts 33 are passed through the connecting plates 32 and the bearing rod 1111 to fix them. At the same time, by adopting the rod setting mode for both the connecting part 11 and the mounting part 12, the overall weight of the protection platform 100 is reduced, the installation during construction is improved, and the installation difficulty is reduced.

[0050] In the embodiment of the present invention, there are various settings for the connection method of the transverse connecting rod 1112 and the bearing rod 1111, for example, they can be welded and fixed; the connection method between the side connecting bracket 121 and the transverse connecting bracket 1112 can also be welding.

[0051] In addition, in an embodiment of the present invention, the load-bearing rod 1111 and / or the transverse connecting rod 1112 include channel steel. In this way, the load-bearing rod 1111 and the transverse connecting rod 1112 have different selection methods, such as the load-bearing rod 1111 can be set as channel steel, the transverse connecting rod 1112 can be set as channel steel, or the load-bearing rod 1111 and the transverse connecting rod 1112 can be both set as channel steel. In an embodiment of the present invention, preferably, the load-bearing rod 1111 and the transverse connecting rod 1112 are both set as channel steel. When welding processing is required, it can adapt to various complex structural designs, and the channel steel has high strength and rigidity while being relatively light in weight, thereby reducing the overall weight of the protective platform 100 and making it easy to install and use.

[0052] In an embodiment of the present invention, the mounting portion 12 includes a side connecting bracket 121, and the side connecting bracket 121 includes two longitudinal connecting rods 1211 and a plurality of vertical connecting rods 1212, wherein each of the longitudinal connecting rods 1211 is extended in the longitudinal direction, and the two longitudinal connecting rods 1211 are spaced apart in the up and down directions, including an upper longitudinal connecting rod 1211a and a lower longitudinal connecting rod 1211b distributed in the up and down directions, and the lower longitudinal connecting rod 1211b is connected to the connecting portion 11 to connect the connecting portion 11 as a whole; a plurality of vertical connecting rods 1212 are spaced apart in the longitudinal direction, and each of the vertical connecting rods 1211a and the lower longitudinal connecting rod 1211b are spaced apart in the up and down directions. The lower end of the rod 1212 is connected to the lower longitudinal connecting rod 1211b, and the upper ends of the multiple vertical connecting rods 1212 are connected to the upper longitudinal connecting rod 1211a; in this way, when the two longitudinal connecting rods 1211 are connected to the multiple vertical connecting rods 1212, a guardrail as a whole can be formed, and the lower longitudinal connecting rod 1211b is connected to the horizontal connecting rod 1112 to fix the guardrail as a whole to the horizontal connecting rod 1112 to improve the side protection of the protective platform 100, with high protection, and through the setting of the rods, compared with the setting of the slats, it has the effect of light weight and easy connection of foreign objects.

[0053] Among them, it should be noted that the connection method of the two longitudinal connecting rods 1211 and the multiple vertical connecting rods 1212 can be welding and fixing, and the connection method of the lower longitudinal connecting rod 1211b and the horizontal connecting rod 1112 can refer to the above-mentioned method of fixing by welding. The processing method is simple and easy to process on site.

[0054] In an embodiment of the present invention, a plurality of overlapping positions are formed between the two longitudinal connecting rods 1211 and the plurality of vertical connecting rods 1212, and a connecting fastener 4 is provided at at least one of the overlapping positions for locking the longitudinal connecting rod 1211 and the corresponding vertical connecting rod 1212; and / or the longitudinal connecting rod 1211 and / or the vertical connecting rod 1212 include steel pipes. In this way, the provision of the connecting fastener 4 is beneficial to the installation and coordination of the two longitudinal connecting rods 1211 and the plurality of vertical connecting rods 1212, thereby improving the stability during connection. Preferably, the connecting fastener 4 is provided at the overlapping positions of the plurality of vertical connecting rods 1212 and the longitudinal connecting rod 1211, thereby ensuring the stable connection between the plurality of vertical connecting rods 1212 and the longitudinal connecting rod 1211, thereby improving the safety of the protective platform 100.

[0055] In the embodiment of the present invention, there is no limitation on the specific form of the connecting fastener 4. For example, it can be a right-angle fastener, which fixes the longitudinal connecting rod 1211 and the vertical connecting rod 1212 to strengthen the installation of the vertical connecting rod 1212.

[0056] Furthermore, by setting the longitudinal connecting rod 1211 and / or the vertical connecting rod 1212 as a steel pipe, that is, the longitudinal connecting rod 1211 and the vertical connecting rod 1212 have multiple options, the longitudinal connecting rod 1211 can be set as a steel pipe, the vertical connecting rod 1212 can be set as a steel pipe, or the longitudinal connecting rod 1211 and the vertical connecting rod 1212 can be both set as steel pipes. In the embodiment of the present invention, preferably, the longitudinal connecting rod 1211 and the vertical connecting rod 1212 are both set as steel pipes. The material is easy to obtain and has high strength, which facilitates the connection with the horizontal connecting rod 1112 to a certain extent.

[0057] In order to be able to bear the purpose of the falling objects of the box beam body 1a, in the technical solution of this embodiment, the connecting portion 11 includes a plurality of mounting brackets 111 corresponding to the plurality of cantilever beam partitions 3a, each of the mounting brackets 111 includes a load-bearing rod 1111 and a horizontal connecting rod 1112, and the mounting portion 12 includes a side connecting bracket 121; the protective structure 2 includes a dense mesh 22 and a steel wire rope 23 supporting the dense mesh 22, and the dense mesh 22 includes an inner dense mesh corresponding to the plurality of load-bearing rods 1111. The mesh segment 221, the outer dense mesh segment 222 corresponding to the side connecting bracket 121, and the bottom dense mesh segment 223 connected to the inner dense mesh segment 221 and the outer dense mesh segment 222; in this way, the inner dense mesh segment 221, the outer dense mesh segment 222 and the bottom dense mesh segment 223 close the receiving channel 21 formed by the bearing rod 1111, the horizontal connecting rod 1112 and the side connecting bracket 121, thereby catching falling objects and preventing them from falling, thereby ensuring the safety of the test vehicle during the test.

[0058] It should be noted that the dense mesh 22 in this embodiment is a double-layer dense mesh, which has higher protection effect and safety.

[0059] Specifically, in the implementation of the present invention, the steel wire rope 23 is located between the two longitudinal connecting rods 1211 and is arranged along the longitudinal length. Preferably, two steel wire ropes 23 are provided, and the two steel wire ropes 23 connect and fix the multiple vertical connecting rods 1212 to enhance the stability of the installation of the multiple vertical connecting rods 1212, and the connection method between the steel wire rope 23 and the dense mesh 22 is to tie and fix them through cable ties.

[0060] Furthermore, the protective structure 2 also includes a plurality of wooden planks 24 and a pad 25 connected to the plurality of wooden planks 24. The plurality of wooden planks 24 are laid side by side on the platform frame 1. The pad 25 is fixed to the plurality of wooden planks 24. The pad 25 is used to support the bottom dense mesh segment 223. In this way, the wooden planks 24 are laid on the platform frame 1 and cooperate with the pad 25 to close the bottom of the protective platform 100. The pad 25 supports the bottom dense mesh segment 223, so that falling objects can be cushioned when falling and are not easily damaged by the dense mesh 22.

[0061] It should be noted that, in the embodiment of the present invention, the wooden square 24 and the backing plate 25 can be fixed by using nails, which is easy to assemble and disassemble.

[0062] In some embodiments, the pad 25 can be configured in a variety of ways, such as a wooden board or a bamboo plywood board. In an embodiment of the present invention, the pad 25 is configured using a bamboo plywood board, which is environmentally friendly, durable, and not prone to mold.

[0063] In order to enhance the fixing effect of the protection platform 100, the technical solution of this embodiment is that in one of the mounting brackets 111, two bearing rods 1111 are provided, and the two bearing rods 1111 include an inner bearing rod 1111a and an outer bearing rod 1111b, and the receiving channel 21 is limited to the outside of the outer bearing rod 1111b; the connecting portion 11 includes a plurality of mounting brackets 111 corresponding to the plurality of cantilever beam partitions 3a, each of the mounting brackets 111 includes a bearing rod 1111 and a transverse connecting rod 1112, and the transverse connecting rod 1112 extends inward to connect with the inner bearing rod 1111a; in this way, the inner bearing rod 1111a is located on the inner side of the cantilever beam partition 3a, and the transverse connecting rod 1112 extends to connect with the inner bearing rod 1111a, expanding the connection position of the transverse connecting rod 1112, thereby enhancing the reinforcement effect of the protection platform 100, thereby improving the safety of the protection platform 100 during use.

[0064] It should be noted that, in order to achieve the detachable connection of the protection platform 100, the inner bearing rod 1111a and the cantilever beam partition 3a are provided with a detachable connection. For the specific detachable connection method, please refer to the connection method of the above-mentioned snap assembly 3.

[0065] Furthermore, the connecting portion 11 includes a plurality of mounting brackets 111 corresponding to the plurality of cantilever beam partitions 3a, and each mounting bracket 111 is connected to the corresponding cantilever beam partition 3a through a snap assembly 3; geotextiles are provided at the inner end of the transverse connecting rod 1112 and inside the snap assembly 3, which are used to flexibly abut against the web of the box beam body 1a and the cantilever beam partition 3a. In this way, the contact areas between the box beam body 1a and the cantilever beam partition 3a are protected by utilizing the setting of the geotextile, thereby protecting the paint surface of the box beam body 1a.

[0066] In the embodiment of the present invention, there is no specific restriction on the connection method of the geotextile. For example, it can be tied by a cable tie, such as tying the geotextile to the end of the inner end of the horizontal connecting rod 1112; it can also be directly clamped and fixed, such as inserting the geotextile into the buckle groove 311. When the buckle groove 311 is clamped with the edge of the horizontal plate part at the lower end of the cantilever beam partition 3a, the geotextile protects the cantilever beam partition 3a and the horizontal plate part.

[0067] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A protective platform for a steel box girder, the steel box girder comprising a box girder body and a plurality of cantilever beam diaphragms arranged corresponding to the flange plates of the box girder body, characterized in that: The protection platform includes: A platform frame is formed with a connecting portion and a mounting portion, wherein the connecting portion is used to be detachably connected to the cantilever beam partition, and the mounting portion is used to laterally protrude the flange plate; and A protective structure is connected to the platform frame. The protective structure and the platform frame form a receiving channel opening upward at the installation portion corresponding to the mounting portion, so as to receive objects falling from the box beam body.

2. The protective platform according to claim 1, characterized in that: The connecting portion includes a plurality of mounting brackets arranged corresponding to the plurality of cantilever beam partitions, and each of the mounting brackets is connected to the corresponding cantilever beam partition via a snap-fit assembly.

3. The protective platform according to claim 2, characterized in that: The buckle assembly includes: Two fastening members, each of which is formed with a fastening groove, the openings of the fastening grooves of the two fastening members are arranged opposite to each other, and are used to fasten the plate edges of the horizontal plate portion at the lower end of the cantilever beam partition respectively; Two connecting plates, correspondingly connected to the two fastening members; and A locking bolt is fastened between the two connecting plates and the connecting portion.

4. The protective platform according to claim 1, characterized in that: The connecting portion includes a plurality of mounting brackets corresponding to the plurality of cantilever beam partitions, each mounting bracket includes a bearing rod and a transverse connecting rod, the upper end of the bearing rod is detachably connected to the cantilever beam partition, and one end of the transverse connecting rod is connected to the lower end of the bearing rod; The mounting portion includes a side connecting bracket connected to the other end of the transverse connecting rod, and the receiving channel is defined between the load-bearing rod and the side connecting bracket.

5. The protection platform according to claim 4, characterized in that: The load-bearing rods and / or the transverse connecting rods include channel steels.

6. The protective platform according to claim 1, characterized in that: The mounting portion includes a side connecting bracket, and the side connecting bracket includes: Two longitudinal connecting rods, each of the longitudinal connecting rods is arranged in a longitudinal direction, and the two longitudinal connecting rods are spaced apart in the vertical direction, including an upper longitudinal connecting rod and a lower longitudinal connecting rod distributed in the vertical direction, and the lower longitudinal connecting rod is connected to the connecting portion; and A plurality of vertical connecting rods are arranged at intervals along the longitudinal direction, and the lower end of each vertical connecting rod is connected to the lower longitudinal connecting rod, and the upper ends of the plurality of vertical connecting rods are connected to the upper longitudinal connecting rod.

7. The protection platform according to claim 6, characterized in that: A plurality of overlapping positions are formed between the two longitudinal connecting rods and the plurality of vertical connecting rods, and a connecting fastener is provided at at least one of the overlapping positions for locking the longitudinal connecting rod and the corresponding vertical connecting rod; and / or, The longitudinal connecting rod and / or the vertical connecting rod include steel pipes.

8. The protective platform according to claim 1, characterized in that: The connecting portion includes a plurality of mounting brackets corresponding to the plurality of cantilever beam partitions, each mounting bracket includes a bearing rod and a transverse connecting rod, and the mounting portion includes a side connecting bracket; The protective structure includes a dense mesh and a steel wire rope supporting the dense mesh, wherein the dense mesh includes an inner dense mesh segment corresponding to the plurality of bearing rods, an outer dense mesh segment corresponding to the side connecting bracket, and a bottom dense mesh segment connected to the inner dense mesh segment and the outer dense mesh segment; The protective structure also includes a plurality of wooden planks and a pad connected to the plurality of wooden planks. The plurality of wooden planks are laid side by side on the platform frame. The pad is fixed to the plurality of wooden planks. The pad is used to receive the bottom dense mesh segment.

9. The protective platform according to claim 1, characterized in that: The connecting portion includes a plurality of mounting brackets corresponding to the plurality of cantilever beam partitions, and each mounting bracket includes a bearing rod and a horizontal connecting rod; In one of the mounting brackets, two bearing rods are provided, and the two bearing rods include an inner bearing rod and an outer bearing rod. The transverse connecting rod extends inwardly to connect with the inner bearing rod, and the receiving channel is defined on the outside of the outer bearing rod.

10. The protection platform according to claim 9, characterized in that: Each of the mounting brackets is connected to the corresponding cantilever beam partition through a snap assembly; Geotextiles are provided at the ends of the inner ends of the transverse connecting rods and inside the buckle components, so as to flexibly abut against the webs of the box beam body and the cantilever beam diaphragms.

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