Large-span civil air defense steel structure assembly type anti-collapse shed frame convenient to use at ordinary times

Abstract

The utility model discloses a large-span civil air defense steel structure assembly type anti-collapse shed frame convenient to use at ordinary times, and relates to the technical field of civil air defense structure engineering. The water retaining wall comprises a water retaining wall body, a plurality of embedded steel columns are arranged on the upper side of the water retaining wall body, supporting frames are arranged on the upper sides of the embedded steel columns, a supporting plate is fixedly connected to the upper sides of every two corresponding supporting frames, and a cover plate is arranged on the upper sides of the supporting plates. A mounting groove is formed in the embedded steel column, and a clamping mechanism is arranged in the mounting groove. According to the anti-collapse shed frame, the clamping mechanisms are arranged and used for rapidly connecting the supporting frames and the embedded steel columns, so that the anti-collapse shed frame can be conveniently and rapidly installed and deployed, the supporting frames can be separated from the embedded steel columns on the water retaining wall by disassembling the fixing bolts between the connecting shells and the connecting plates and then pulling up the supporting frames, and therefore the anti-collapse shed frame can be conveniently and rapidly installed and deployed. And the anti-collapse shed frame can be conveniently replaced and maintained in the later period, and the convenience of later maintenance work is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil air defense structure engineering. Specifically, it relates to a large-span prefabricated anti-collapse shed frame for civil air defense steel structure that is convenient for peacetime use. Background Art

[0002] In the design of air-raid shelters, the vehicle ramp is often designed as an outdoor entrance. The prefabricated anti-collapse shed frame for civil air defense steel structure is a structure specially designed to protect the outdoor entrance of the air-raid shelter from the impact of adjacent building collapses. It is usually composed of steel structures and needs to be quickly deployed in case of emergency.

[0003] Chinese Patent with application number CN201720004832.X discloses a steel structure anti-collapse shed frame for vehicle ramps, aiming to provide a steel structure anti-collapse shed frame for vehicle ramps with the advantage of being able to be used on slopes. The key points of its technical solution are that the shed frame body includes connecting rods and several connecting legs fixed on the connecting rods. There are several connecting grooves corresponding to the positions of the connecting legs on the ramp body, and the connecting legs are inserted and fixed in the connecting grooves.

[0004] In the above-mentioned prior art, the connecting legs and the reinforcing rings are inserted into the connecting holes, and then the mortar layer is injected to connect the connecting legs with the connecting holes, so as to realize the installation of the shed frame body. However, in actual use, the mortar requires a certain time to cure and reach full strength, and is greatly affected by the environment, which is not conducive to construction in bad weather, and cannot realize the rapid installation and fixation of the shed frame. Moreover, the mortar fixation method makes it difficult to maintain and replace the fixed components later.

[0005] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0006] The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide a large-span prefabricated anti-collapse shed frame for civil air defense steel structure that is convenient for peacetime use.

[0007] To solve the above technical problem, the basic concept of the technical solution adopted by the present utility model is:

[0008] A large-span prefabricated anti-collapse shed frame for civil air defense steel structure that is convenient for peacetime use, comprising: a water retaining wall, on the upper side of the water retaining wall, a plurality of embedded steel columns are installed. On the upper side of the embedded steel columns, a support frame is provided. On the upper sides of two corresponding support frames, a support plate is fixedly connected. On the upper sides of a plurality of support plates, a cover plate is provided;

[0009] An installation groove is opened inside the embedded steel column, a clamping mechanism is arranged inside the installation groove, connecting shells are fixedly connected to both sides of the support frame, and strip-shaped grooves are opened on both sides of the support frame.

[0010] By setting up a clamping mechanism for quickly connecting the support frame and the embedded steel column, it is convenient to quickly install and deploy the anti-collapse shed frame. And by removing the fixing bolts between the connecting shell and the connecting plate, and then pulling up the support frame, it can be separated from the embedded steel column on the retaining wall, which is convenient for replacing and maintaining the anti-collapse shed frame in the later stage and improves the convenience of later maintenance work.

[0011] Preferably, the clamping mechanism includes a pressure rod slidably fitted on the upper side of the embedded steel column. A pressing plate is fixedly connected to the lower side of the pressure rod. A tension spring is sleeved on the pressing plate. Connecting plates are slidably fitted on both sides of the embedded steel column. Two connecting rods are arranged between the two connecting plates and the pressing plate.

[0012] Preferably, the pressing plate is slidably fitted on the inner wall of the installation groove. The two ends of the tension spring are respectively fixedly connected to the upper side of the inner wall of the installation groove and the upper side of the pressing plate. The two ends of the connecting rod are respectively rotatably fitted with the pressing plate and the connecting plate.

[0013] Preferably, a limiting groove is opened on the lower side of the inner wall of the installation groove. A sliding rod is fixedly connected to the inner wall of the limiting groove. Two limiting blocks are slidably fitted on the sliding rod. The upper side of the limiting block is fixedly connected to the lower side of the connecting plate. The connecting plate is matched with the connecting shell.

[0014] Preferably, connecting grooves are opened on the upper sides of multiple support plates. Multiple connecting blocks matched with the connecting grooves are fixedly connected to the lower side of the cover plate.

[0015] Preferably, two sliding grooves are opened on the lower side of the support plate. Pulling plates are slidably and elastically fitted on the inner walls of the sliding grooves. Trapezoidal clamping blocks are fixedly connected to the opposite sides of the two pulling plates.

[0016] Preferably, the trapezoidal clamping block is slidably fitted on the inner wall of the connecting groove. Trapezoidal clamping grooves are opened on both sides of the connecting block. The trapezoidal clamping block is matched with the trapezoidal clamping groove.

[0017] Preferably, positioning plates are fixedly connected to both sides of the support plate. Multiple positioning holes are opened on the upper side of the positioning plate.

[0018] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0019] By setting up a clamping mechanism for quickly connecting the support frame and the embedded steel column, it is convenient to quickly install and deploy the anti-collapse shed frame. And by removing the fixing bolts between the connecting shell and the connecting plate, and then pulling up the support frame, it can be separated from the embedded steel column on the retaining wall, which is convenient for replacing and maintaining the anti-collapse shed frame in the later stage and improves the convenience of later maintenance work.

[0020] The following further describes in detail the specific embodiments of the present utility model in conjunction with the accompanying drawings. Description of the Drawings

[0021] The accompanying drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0022] Figure 1 is a schematic perspective view of an embodiment of the present utility model;

[0023] Figure 2 is a schematic view of the cover plate structure of an embodiment of the present utility model;

[0024] Figure 3 is a schematic view of the connection structure of the shed frame of an embodiment of the present utility model;

[0025] Figure 4 is a schematic view of the water retaining wall structure of an embodiment of the present utility model;

[0026] Figure 5 is a schematic cross-sectional view of the support plate of an embodiment of the present utility model;

[0027] Figure 6 is a schematic view of the connection structure of the support frame of an embodiment of the present utility model;

[0028] Figure 7 is a schematic cross-sectional view of the embedded steel column of an embodiment of the present utility model;

[0029] Figure 8 is a schematic view of the clamping mechanism structure of an embodiment of the present utility model.

[0030] In the drawings, the list of components represented by each reference numeral is as follows:

[0031] 1, water retaining wall; 2, embedded steel column; 3, support frame; 4, support plate; 5, cover plate; 6, installation groove; 7, clamping mechanism; 71, pressure rod; 72, pressing plate; 73, tension spring; 74, connecting plate; 75, connecting rod; 8, connecting shell; 9, strip-shaped groove; 10, limiting groove; 11, sliding rod; 12, limiting block; 13, connecting groove; 14, sliding groove; 15, pulling plate; 16, trapezoidal clamping block; 17, trapezoidal clamping groove; 18, positioning plate; 19, positioning hole; 20, connecting block.

[0032] It should be noted that these drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Specific Embodiments

[0033] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Apparently, the described embodiments are only a part rather than all of the embodiments of the present utility model.

[0034] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the claimed present utility model, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0035] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.

[0036] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0037] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the inventive product is normally placed, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model 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 thus should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0038] Specifically, please refer to Figure 1-8 As shown, in this embodiment, a large-span civil air defense steel structure prefabricated anti-collapse shed frame convenient for daily use is provided, including: a water retaining wall 1, a plurality of embedded steel columns 2 are installed on the upper side of the water retaining wall 1, a support frame 3 is arranged on the upper side of the embedded steel column 2, a support plate 4 is fixedly connected to the upper sides of two corresponding support frames 3, and a cover plate 5 is arranged on the upper sides of a plurality of support plates 4;

[0039] An installation groove 6 is opened inside the embedded steel column 2, a clamping mechanism 7 is arranged inside the installation groove 6, connecting shells 8 are fixedly connected to both sides of the support frame 3, and strip-shaped grooves 9 are opened on both sides of the support frame 3.

[0040] By setting up the clamping mechanism 7, which is used for quickly connecting the support frame 3 and the embedded steel column 2, it is convenient to quickly install and deploy the anti-collapse shed frame. And by removing the fixing bolts between the connecting shell 8 and the connecting plate 74, and then pulling up the support frame 3, it can be separated from the embedded steel column 2 on the water retaining wall 1, which is convenient for replacing and maintaining the anti-collapse shed frame in the later stage, and improves the convenience of later maintenance work.

[0041] In order to enable the personnel in the technical field to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0042] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments can be combined with each other.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Embodiment

[0044] Please refer to Figure 1-8 , a large-span civil air defense steel structure assembled anti-collapse shed frame convenient for daily use, including: a water retaining wall 1, multiple embedded steel columns 2 are installed on the upper side of the water retaining wall 1, a support frame 3 is arranged on the upper side of the embedded steel column 2, a support plate 4 is fixedly connected to the upper sides of two corresponding support frames 3, and a cover plate 5 is arranged on the upper sides of multiple support plates 4; an installation groove 6 is opened inside the embedded steel column 2, a clamping mechanism 7 is arranged inside the installation groove 6, connecting shells 8 are fixedly connected to both sides of the support frame 3, and strip-shaped grooves 9 are opened on both sides of the support frame 3.

[0045] Implementation process: When it is necessary to quickly deploy the anti-collapse shed frame in an emergency, the quick connection between the support frame 3 and the embedded steel column 2 is utilized to realize the quick installation of the shed frame, and then the cover plate 5 is connected to the multiple support plates 4 to realize the quick deployment of the shed frame. The distance between two corresponding support frames 3 is 7000mm or 9000mm for use in different scenarios, and the distance between two support plates 4 is 4800mm.

[0046] Implementation benefits: It is convenient to quickly install and deploy the anti-collapse shed frame, and solves the problems of a maximum horizontal span of 5400mm and a maximum vertical span of 2400mm. Embodiment

[0047] The clamping mechanism 7 includes a pressure bar 71 slidably fitted on the upper side of the embedded steel column 2. A pressure plate 72 is fixedly connected to the lower side of the pressure bar 71. A tension spring 73 is sleeved on the pressure plate 72. Connecting plates 74 are slidably fitted on both sides of the embedded steel column 2. Two connecting rods 75 are arranged between the two connecting plates 74 and the pressure plate 72. The pressure plate 72 is slidably fitted on the inner wall of the installation groove 6. The two ends of the tension spring 73 are respectively fixedly connected to the upper side of the inner wall of the installation groove 6 and the upper side of the pressure plate 72. The two ends of the connecting rod 75 are respectively rotatably fitted with the pressure plate 72 and the connecting plate 74. A limiting groove 10 is opened on the lower side of the inner wall of the installation groove 6. A slide bar 11 is fixedly connected to the inner wall of the limiting groove 10. Two limiting blocks 12 are slidably fitted on the slide bar 11. The upper side of the limiting block 12 is fixedly connected to the lower side of the connecting plate 74. The connecting plate 74 is matched with the connecting shell 8.

[0048] Implementation process: The lengths of multiple support frames 3 are different and are matched with the retaining wall 1. When the support frame 3 is sleeved on the embedded steel column 2 for connection, the support frame 3 moves downward to squeeze the pressure bar 71. The pressure bar 71 moves downward to drive the pressure plate 72 to move downward. Under the transmission of the connecting rod 75, the connecting plate 74 extends to both sides of the embedded steel column 2 and is connected to the strip-shaped groove 9 on the support frame 3. When the support frame 3 is completely connected to the embedded steel column 2, the connecting plate 74 is connected to the connecting shell 8. Then, the connecting plate 74 and the connecting shell 8 are connected by using fixing bolts to fix the support frame 3.

[0049] Implementation benefits: It is convenient to limit and fix between the support frame 3 and the embedded steel column 2, improving the connection stability, and facilitating the subsequent rapid replacement, repair and maintenance of the anti-collapse shed. Embodiment

[0050] Connection grooves 13 are opened on the upper sides of multiple support plates 4. Multiple connection blocks 20 matched with the connection grooves 13 are fixedly connected to the lower side of the cover plate 5. Two sliding grooves 14 are opened on the lower side of the support plate 4. A pull plate 15 is slidably and elastically fitted on the inner wall of the sliding groove 14. Trapezoidal clamping blocks 16 are fixedly connected to the opposite sides of the two pull plates 15. The trapezoidal clamping block 16 is slidably fitted on the inner wall of the connection groove 13. Trapezoidal clamping grooves 17 are opened on both sides of the connection block 20. The trapezoidal clamping block 16 is matched with the trapezoidal clamping groove 17. Positioning plates 18 are fixedly connected to both sides of the support plate 4. Multiple positioning holes 19 are opened on the upper side of the positioning plate 18.

[0051] Implementation process: Threaded holes matching the positioning holes 19 or corresponding insertion rods are provided on the lower side of the cover plate 5 to improve the installation effect of the cover plate 5. After the anti-collapse shed frame is installed, it is connected to the connection groove 13 on the upper side of the support plate 4 by the connection block 20. The connection block 20 moves downward under the weight of the cover plate 5, squeezing the trapezoidal clamping block 16 to contract into the sliding groove 14, and connecting with the trapezoidal clamping groove 17 under the action of the spring in the sliding groove 14 to realize the connection and fixation of the cover plate 5. According to the usage situation, the cover plate 5 can be reinforced by using the positioning plate 18 and the positioning hole 19 to improve the fixing effect of the cover plate 5. The limit on the cover plate 5 can be cancelled by pulling the pull plate 15 to drive the trapezoidal clamping block 16 to separate from the trapezoidal clamping groove 17, so as to facilitate the maintenance or replacement of the cover plate 5.

[0052] The above embodiments are only used to illustrate the present invention rather than to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the invention are covered by the scope of the claims of the present invention.

Claims

1. A large-span civil air defense steel structure assembled anti-collapse shed frame convenient for daily use, characterized in that, Including: A water retaining wall (1), multiple embedded steel columns (2) are installed on the upper side of the water retaining wall (1), a support frame (3) is arranged on the upper side of the embedded steel column (2), a support plate (4) is fixedly connected to the upper sides of two corresponding support frames (3), and a cover plate (5) is arranged on the upper sides of multiple support plates (4); An installation groove (6) is formed inside the embedded steel column (2), a clamping mechanism (7) is arranged inside the installation groove (6), connection shells (8) are fixedly connected to both sides of the support frame (3), and strip-shaped grooves (9) are formed on both sides of the support frame (3).

2. A large-span civil air defense steel structure assembled anti-collapse shed frame convenient for daily use according to claim 1, characterized in that, The clamping mechanism (7) includes a pressure rod (71) slidably fitted on the upper side of the embedded steel column (2), a pressure plate (72) is fixedly connected to the lower side of the pressure rod (71), a tension spring (73) is sleeved on the pressure plate (72), connecting plates (74) are slidably fitted on both sides of the embedded steel column (2), and two connecting rods (75) are arranged between the two connecting plates (74) and the pressure plate (72).

3. The prefabricated anti-collapse shed frame of large-span civil air defense steel structure according to claim 2, which is convenient for daily use, is characterized in that, The pressure plate (72) is slidably fitted on the inner wall of the installation groove (6), both ends of the tension spring (73) are fixedly connected to the upper side of the inner wall of the installation groove (6) and the upper side of the pressure plate (72) respectively, and both ends of the connecting rod (75) are rotatably fitted with the pressure plate (72) and the connecting plate (74) respectively.

4. A large-span civil air defense steel structure prefabricated anti-collapse shed frame convenient for daily use according to claim 2, characterized in that, A limiting groove (10) is formed on the lower side of the inner wall of the installation groove (6), a sliding rod (11) is fixedly connected to the inner wall of the limiting groove (10), two limiting blocks (12) are slidably fitted on the sliding rod (11), the upper side of the limiting block (12) is fixedly connected to the lower side of the connecting plate (74), and the connecting plate (74) is matched with the connection shell (8).

5. A large-span civil air defense steel structure prefabricated anti-collapse shed frame convenient for daily use according to claim 1, characterized in that, Connection grooves (13) are formed on the upper sides of multiple support plates (4), and multiple connection blocks (20) matched with the connection grooves (13) are fixedly connected to the lower side of the cover plate (5).

6. The prefabricated anti-collapse shed frame of large-span civil air defense steel structure according to claim 1, which is convenient for daily use, is characterized in that, Two sliding grooves (14) are formed on the lower side of the support plate (4), a pull plate (15) is slidably and elastically fitted on the inner wall of the sliding groove (14), and a trapezoidal clamping block (16) is fixedly connected to the opposite sides of the two pull plates (15).

7. A large-span civil air defense steel structure prefabricated anti-collapse shed frame convenient for daily use according to claim 6, characterized in that, The trapezoidal clamping block (16) is slidably fitted on the inner wall of the connection groove (13), trapezoidal clamping grooves (17) are formed on both sides of the connection block (20), and the trapezoidal clamping block (16) is matched with the trapezoidal clamping groove (17).

8. A large-span civil air defense steel structure assembled anti-collapse shed frame convenient for daily use according to claim 1, characterized in that, Positioning plates (18) are fixedly connected to both sides of the support plate (4), and multiple positioning holes (19) are formed on the upper side of the positioning plate (18).

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