Combined riding track for clean workshop

Abstract

The utility model relates to a clean workshop combined riding track which structurally comprises a hoop, a riding track support, a handrail and a steel grating plate, the steel grating plate is erected on a pair of steel channels, a plurality of L-shaped connecting pieces are evenly installed on the outer side faces of the steel channels at intervals through screws in the length direction, and the bottom end of each vertical rod of the handrail is connected with one L-shaped connecting piece in a welded mode. L-shaped connecting pieces corresponding to the positions of the two sides of the steel grating plate are installed on the top of a riding track support through screws, and the lower ends of the two sides of the riding track support are each connected with a clean workshop steel beam through a hoop. The utility model has the advantages that: 1) on-site welding is not needed, the VOC control requirement of the produced clean room can be met, and the components can be prefabricated off site and connected by bolts on site; the handrail is connected to the girder through the hoop, no hole is formed, the procedures of extra rust prevention and fireproof coating recovery treatment are not needed, the handrail can be assembled in advance, the overall installation speed can be effectively increased, and the construction efficiency is improved.

Description

Technical Field

[0001] This utility model relates to a cleanroom walkway, specifically a combined walkway for cleanrooms, and belongs to the field of engineering technology. Background Technology

[0002] Cleanroom walkways are required; however, current technology typically involves welding individual components together on-site, which is inefficient, produces inconsistent finishes, and is highly dependent on worker skill levels. Furthermore, arc welding inside cleanrooms generates significant amounts of fumes that adhere to fire-retardant coatings, affecting VOC levels. Direct welding on steel beams is also prohibited. Therefore, prefabricated components are needed to install cleanroom walkways to prevent fumes generation and ensure VOC testing.

[0003] CN220522126U discloses a prefabricated walkway for spatial structures. The walkway is assembled by detachably connecting the transverse support beam assembly, longitudinal support beam assembly, walkway assembly and railing assembly with bolts and nuts. Several threaded steel bars are set between two longitudinal support beams, and then a grid mesh is laid on the threaded steel bars.

[0004] The aforementioned existing technology has the following problems:

[0005] (1) Holes need to be drilled above the steel beams of the catwalk foundation. The accuracy of the layout and hole opening is high. In addition, the bolt positions are blocked by the other side flange of the channel steel above the holes, making it inconvenient to use the electric wrench sleeve for tightening.

[0006] (2) After the fireproof coating is applied to the flange plate, if a hole is made in the sleeve, not only is it necessary to grind the burrs afterward, but also to apply anti-rust paint to finish the process, which is complicated.

[0007] (3) Many factory buildings do not allow post-drilling or welding on the load-bearing steel beams, and welding can generally only be done on the ear plates. Utility Model Content

[0008] This utility model proposes a combined walkway for cleanrooms, which aims to overcome the above-mentioned shortcomings of the existing technology and achieve the goal of eliminating the need for drilling holes or welding on steel beams.

[0009] The technical solution of this utility model is a modular walkway for cleanrooms, comprising clamps, walkway supports, railings, and steel grating. The steel grating is mounted on a pair of channel steels. Several L-shaped connectors are evenly spaced along the length of the channel steels using screws. Each upright of the railing is welded to an L-shaped connector at its bottom. Corresponding L-shaped connectors on both sides of the steel grating are screwed to the top of a walkway support. The lower ends of both sides of the walkway support are connected to a cleanroom steel beam via clamps. The fabrication of the L-shaped connectors, the walkway support, the connection between the walkway support and clamps, and the welding of the railing uprights to the L-shaped connectors can all be prefabricated. Only screw connections are required inside the cleanroom, eliminating the need for welding and meeting cleanliness requirements.

[0010] Preferably, the L-shaped connector includes a connecting piece and a bent connecting piece welded to the middle of one side of the connecting piece. The connecting piece is connected to the outer side of the channel steel by screws, and the horizontal part of the bent connecting piece is connected to the top of the walkway support by screws. The bottom end of the upright is welded to the connection between the bent connecting piece and the connecting piece. This realizes the specific design of the L-shaped connector.

[0011] Preferably, the catwalk support includes a crossbeam and a column whose top end is connected to both ends of the crossbeam via connectors and screws. A clamp is welded to the bottom of the column. This achieves the specific design of the catwalk support.

[0012] Preferably, the structure also includes diagonal bracing, with the top of the upright of the walkway support column and the bottom of the upright of the adjacent walkway support column connected at both ends by screws. This improves structural stability.

[0013] The advantages of this utility model are: 1) No on-site welding is required, which can meet the VOC control requirements of cleanrooms already in operation. The components can be prefabricated off-site and bolted on-site.

[0014] 2) The process of connecting to the main beam with clamps without drilling holes, and without the need for additional rust prevention or restoration of fire-retardant coating;

[0015] 3) The railings can be pre-assembled, which can effectively improve the overall installation speed and construction efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the combined walkway structure for a cleanroom, according to this utility model.

[0017] In the diagram, 1 is a cleanroom steel beam, 2 is a clamp, 3 is a walkway support, 31 is a crossbeam, 32 is a column, 4 is a diagonal brace, 5 is an L-shaped connector, 51 is a connecting piece, 52 is a bent connecting piece, 6 is a railing, 61 is a pole, 7 is a steel grating, and 71 is a channel steel. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to embodiments and specific implementation methods.

[0019] like Figure 1 As shown, a cleanroom modular walkway includes a clamp 2, a walkway support 2, diagonal braces 4, railings 6, and a steel grating 7. The steel grating 7 is mounted on a pair of channel steels 71. Several L-shaped connectors 5 are evenly spaced along the length of the outer side of the channel steels 71 by screws. Each upright 61 of the railing 6 is welded to the bottom of an L-shaped connector 5. The L-shaped connectors 5 on both sides of the steel grating 7 are installed on the top of a walkway support 3 by screws. The lower ends of both sides of the walkway support 3 are connected to a cleanroom steel beam 1 by a clamp 2.

[0020] The L-shaped connector 5 includes a connecting piece 51 and a bent connecting piece 52 welded to the middle of one side of the connecting piece 51. The connecting piece 51 is connected to the outer side of the channel steel 71 by screws. The horizontal part of the bent connecting piece 52 is connected to the top of the walkway bracket 3 by screws. The bottom end of the upright 61 is welded to the connection between the bent connecting piece 52 and the connecting piece 51.

[0021] The walkway support 3 includes a crossbeam 31 and a column 32 whose top end is connected to both ends of the crossbeam 31 by connectors and screws. The bottom end of the column 32 is welded to the top of the clamp 2.

[0022] The top of the upright 32 of the walkway support 3 and the bottom of the upright 32 of the adjacent walkway support 3 are connected by screws to the two ends of the diagonal brace 4.

[0023] Based on the above structure, before installation, the components are prefabricated, including the L-shaped connector 5, the walkway support 3, the welding of the walkway support 3 and the clamp 2, and the welding of the uprights 61 of the railing 6 to the L-shaped connector 5.

[0024] The installation process specifically includes:

[0025] 1) The walkway support 3 is installed by clamping the clamp 2 onto the cleanroom steel beam 1;

[0026] 2) The crossbeam 31 of the catwalk support 3 is bolted to the bottom channel steel 71 of the steel grating 7 using L-shaped connectors 5;

[0027] 4) Secure the diagonal brace 4 with expansion bolts;

[0028] 5) A steel grating 7 is laid on top of the channel steel 71 and the crossbeam 31;

[0029] 6) The steel grating 7 is connected to the channel steel 71 and the crossbeam 31 by inverted clamps for reinforcement. This connection is made at every corner and the midpoint of the edge of the grating along the walkway.

[0030] Based on the above structure, the combined connector formed by the railing 6 uprights 61 and the L-shaped connector 5 is connected to the walkway support 3, and the bottom of the walkway support 3 is connected to the cleanroom steel beam 1 through a clamp. This can replace the existing on-site welding method, effectively meet the requirements of the cleanroom, and has lower requirements for the technical level of the installation workers, making the installation less difficult and effectively ensuring the installation quality.

[0031] All of the components described above are existing technologies, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0032] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A modular walkway for a cleanroom, characterized in that, The system includes a clamp (2), a walkway support (3), a railing (6), and a steel grating (7). The steel grating (7) is mounted on a pair of channel steels (71). Several L-shaped connectors (5) are evenly spaced along the length of the outer side of the channel steels (71) by screws. Each upright (61) of the railing (6) is welded to the bottom of an L-shaped connector (5). The L-shaped connectors (5) corresponding to the positions on both sides of the steel grating (7) are installed on the top of a walkway support (3) by screws. The lower ends of both sides of the walkway support (3) are connected to a cleanroom steel beam (1) by a clamp (2).

2. The cleanroom modular walkway as described in claim 1, characterized in that, The L-shaped connector (5) includes a connecting piece (51) and a bent connecting piece (52) welded to the middle of one side of the connecting piece (51). The connecting piece (51) is connected to the outer side of the channel steel (71) by screws. The horizontal part of the bent connecting piece (52) is connected to the top of the walkway support (3) by screws. The bottom end of the upright (61) is welded to the connection between the bent connecting piece (52) and the connecting piece (51).

3. The combined walkway for a cleanroom as described in claim 1, characterized in that, The horse track support (3) includes a crossbeam (31) and a column (32) whose top end is connected to both ends of the crossbeam (31) by connectors and screws. The bottom end of the column (32) is welded to the top of the clamp (2).

4. The cleanroom modular walkway as described in claim 3, characterized in that, It also includes diagonal bracing (4), and the top of the column (32) of the walkway support (3) and the bottom of the column (32) of the adjacent walkway support (3) are connected by screws to the two ends of the diagonal bracing (4).

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