Fabricated device for preventing secondary disasters and construction method thereof

Abstract

The invention provides an assembly type device for preventing secondary disasters and a construction method thereof.The assembly type device comprises a plurality of bottom plates, supporting and blocking devices are arranged on the bottom plates and comprise blocking cloth and middle blocking frames, side supports are arranged on the two sides of the middle blocking frames, the middle blocking frames are arranged on the middle blocking frames, a plurality of leveling devices are arranged at the bottoms of the bottom plates, and sliding strips and monitoring units are arranged on the bottom plates; and the monitoring unit is connected with the monitoring unit. The whole structure is fast and convenient to assemble and disassemble, so that the whole structure is rolled, and the whole structure is convenient to store and carry. Most of the whole structure can be reused, and the construction cost is further reduced. When a secondary disaster is serious, many rocks fall on the supporting and retaining device and reach the limit value of the supporting and retaining device, the warning lamp emits light, and the phenomenon that under the low-light condition, workers cannot find damage or failure of the protective device in time, potential safety hazards are possibly increased, and then subsequent repair decisions are affected is avoided, and the safety of the workers is improved. And the method has a relatively high popularization value.

Description

Technical Field

[0001] The invention relates to the field of highway engineering, and in particular to an assembled device for preventing secondary disasters and a construction method thereof. Background Art

[0002] During the construction of highway projects, areas with poor geological conditions may be encountered. When encountering earthquakes or mudslides, areas with poor geological conditions may suffer secondary disasters such as falling rocks. Secondary disasters after earthquakes have potential damage to traffic routes. Traditionally, concrete walls are poured on both sides of the road, but the pouring and maintenance costs of concrete walls are high, and the construction time of concrete walls is long, which increases the construction cost; once the concrete wall is poured, it is difficult to remove, which limits future road reconstruction or expansion and reduces flexibility. Concrete walls are difficult to remove after pouring. At the same time, the materials of concrete walls are difficult to reuse after removal, resulting in resource waste and environmental burden, high construction and maintenance costs, and increased overall project budgets. At the same time, after secondary disasters occur at night, under low light conditions, workers cannot promptly detect damage or failure of protective devices, which may lead to increased safety hazards. It is difficult to ensure that the road can still maintain its ability to pass when facing secondary disasters such as post-earthquake landslides. To this end, we propose an assembled device for preventing secondary disasters and its construction method to solve the above problems. Summary of the invention

[0003] The present invention provides an assembled device for preventing secondary disasters and a construction method thereof, which solves the problems of high cost of concrete wall casting and maintenance, long concrete wall construction time, increased construction cost, and difficulty in dismantling and non-reusability of concrete walls after casting, resulting in waste of resources and environmental burden.

[0004] Another problem solved by the present invention is that under low light conditions, workers are unable to promptly detect damage or failure of protective devices, which may increase potential safety hazards and thus affect subsequent repair decisions.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: an assembled device for preventing secondary disasters and its construction method, including multiple base plates, the base plates are provided with supporting devices, the supporting devices include a blocking cloth and a middle blocking frame, side brackets are provided on both sides of the middle blocking frame, a middle blocking frame is provided on the middle blocking frame, multiple leveling devices are provided at the bottom of the base plate, sliding bars and monitoring units are provided on the base plate, and the monitoring units are connected to the monitoring units.

[0006] In the preferred embodiment, a plurality of leveling holes are provided on the bottom plate, a side groove is provided on one side of the bottom plate, a clamping block is provided on the other side of the bottom plate, a slide groove is provided on the bottom plate, a shaft sleeve is provided on the slide groove, a shaft groove is provided on the shaft sleeve, and a transverse groove is provided on one side of the plurality of shaft sleeves.

[0007] In the preferred embodiment, the middle frame includes a connecting plate, two horizontal bars and two vertical bars. The two ends of the horizontal bars are respectively connected to different ones. The ends of the horizontal bars are connected to the ends of the vertical bars through the connecting plate. The connecting plate is provided with a convex column and a through hole.

[0008] In the preferred embodiment, the side bracket includes a side rod, a second connecting block is provided at both ends of the side rod, a swivel seat is provided on the second connecting block, two end stop frames are provided between the side bracket and the middle stop frame, two side brackets are provided on the side bracket, and a rotating shaft is provided on the two second connecting blocks at the bottom.

[0009] In the preferred embodiment, the end stop frame includes an end rod, an L block is provided at one end of the end rod, a second L block is provided at the other end of the end rod, a second swivel seat is provided on the second L block, the second swivel seat rests on the side rod, a locking hole is provided on the L block, and the locking hole rests on the protruding column.

[0010] In a preferred embodiment, the diagonal support frame includes a diagonal rod, one end of which is provided with a hinged diagonal rod, the diagonal rod rests on the side rod, and the other end of the diagonal rod is connected to one end of the diagonal rod.

[0011] In the preferred embodiment, the diagonal support includes an upper diagonal rod and a lower diagonal rod, a bidirectional screw is provided between the upper diagonal rod and the lower diagonal rod, a handle is provided on the bidirectional screw, a first screw is provided on the upper diagonal rod, the first screw is connected to the lower diagonal rod and the slide bar through a through hole; The bidirectional screw is respectively connected with the upper inclined rod and the lower inclined rod by threads.

[0012] In the preferred embodiment, the slide bar abuts against the slide groove, a slide bar shaft is provided on the slide bar, and a plurality of springs are provided between the slide bar and the bottom plate; The monitoring unit includes a shell, a sliding column is provided on the shell, a convex rod is provided on the sliding column, the convex rod is connected to the sliding bar, a second spring is provided on the sliding column, an upper pole piece is provided on the second spring, a lower pole piece is provided on the shell, and the upper pole piece and the lower pole piece are connected to the warning light through a cable.

[0013] In the preferred embodiment, it includes a screw rod and a second bidirectional screw rod, a top plate is provided on the top of the screw rod, the screw rod rests on the bottom plate, the second bidirectional screw rod passes through the leveling hole and is connected to the screw rod, and a cover plate is provided on the second bidirectional screw rod.

[0014] A construction method of an assembled device for preventing secondary disasters, characterized by: S1, spiral foundation construction: after measuring and laying out, the spiral rod is constructed using an integrated power head, and the spiral foundation is screwed to a control elevation through the power head; S2. Installation of the base plate: The base plate is installed on a plurality of spiral rods, the base plate is leveled by a second bidirectional screw, and the cover plate fixes the base plate to the spiral foundation; S3, the side bracket is opened; open the cloth, slide the second L blocks at both ends of the side rod to the top, rotate the second L block and the end rod so that the boss rests on the L block, and the side bracket is opened; S4, the diagonal support frame is opened: the sliding seat of the diagonal support frame is slid to make the sliding seat abut against the second rotating seat, and the diagonal rod is rotated, and the diagonal rod is connected with the upper diagonal rod to open the blocking cloth; S5. Installation of the support device structure: the rotating shafts of the two second connecting blocks at the bottom are rotatably connected to the bottom plate, and the blocking cloth is against the transverse groove; S6. Adjustment of the tilt angle of the support device: the upper oblique rod of the oblique support passes through the through hole, the bolt is connected to the upper oblique rod, the upper oblique rod is rotated, and the length of the oblique support is adjusted to adjust the tilt angle of the retaining cloth relative to the bottom plate; S7. Installation of multiple integral structures: two adjacent bottom plates are snapped together, and S1 to S6 are repeated to install the retaining devices on multiple bottom plates.

[0015] The beneficial effects of the present invention are as follows: the retaining cloth can be folded, and the supporting device is a detachable structure. When installing the supporting device, the two end rods on both sides are rotated to make the end rods horizontal, and the end retaining frame is slid to the top end of the side rod so that the L block can be installed on the middle retaining frame. The two ends of the supporting device are spread open, and the diagonal support frame is slid so that the sliding seat of the diagonal support frame is at the top end so that the diagonal rod is connected to the diagonal support so that the supporting device is fully spread open.

[0016] The two sides of the retaining cloth fit with the second connecting block of the side bracket, and the middle of the retaining cloth fits with the connecting plate of the middle retaining frame. When the retaining device is installed and recycled, the end retaining frame is removed from the middle retaining frame, and the diagonal support frame is removed from the diagonal support, so that the two ends of the retaining cloth can be rolled up at the middle end of the retaining cloth. When the retaining device is rolled together, the diagonal support can be removed from the middle retaining frame at the same time. The overall structure is quick to assemble and disassemble, so that the overall structure can be rolled up for easy storage and carrying. The retaining device greatly reduces the construction cost of building concrete walls on both sides of the road to prevent secondary disasters. The retaining device can be removed from the base plate for recycling, further reducing the construction cost. The overall structure is quick to install and dismantle, which reduces the construction cost, and most of the overall structure can be reused, further reducing the construction cost.

[0017] When the secondary disaster is more serious and more rocks fall on the supporting device and reach the limit value of the supporting device, the supporting device pushes the diagonal support to move so that the slide bar can slide and multiple springs can be compressed so that the slide bar hits the convex rod of the monitoring unit so that the upper pole piece fits with the lower pole piece so that the circuit of the warning light is connected and the warning light is illuminated. This avoids the situation in which, under low light conditions, the staff cannot promptly discover the damage or failure of the protective device, which may increase the safety hazard and affect the subsequent repair decision. This has great promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments; Figure 1 It is an axonometric view of the overall structure of the present invention; Figure 2 It is a front view of the overall structure of the present invention; Figure 3 is an axonometric view of the base plate of the present invention; Figure 4 It is an axonometric view of a local structure of the present invention; Figure 5 It is an exploded view of a local structure of the present invention; Figure 6 is an axial side view of the support device of the present invention; Figure 7 It is an axonometric view of a local structure of the present invention; Figure 8 is an axial side view of the retaining frame of the present invention; Fig. 9 It is an exploded view of a local structure of the present invention; Fig.10 The present invention Fig. 9 A magnified view of center A; Fig.11 is an axial side view of the end stop frame of the present invention; Fig.12 is an axial side view of the diagonal brace of the present invention; Fig.13 is a half-sectioned axonometric view of the monitoring unit of the present invention; Fig.14 is an exploded view of the leveling device of the present invention; In the figure: bottom plate 1; leveling hole 101; shaft sleeve 102; shaft groove 1021; side groove 103; block 104; transverse groove 105; slide groove 106; concave groove 107; support device 2; middle block 3; cross bar 301; vertical bar 302; connecting plate 303; convex column 304; connecting plate 305; perforation 306; slide rail 301; side bracket 4; side bar 401; second connecting block 402; rotating seat 4021; rotating shaft 403; end block 5; end bar 501; L block 502; second L block 503; second rotating Seat 5031; diagonal support frame 6; diagonal rod 601; sliding seat 602; diagonal support 7; upper diagonal rod 701; first screw rod 7011; bidirectional screw rod 702; handle 7021; lower diagonal rod 703; slide bar 8; slide bar shaft 801; monitoring unit 9; housing 901; slide column 902; upper pole piece 903; lower pole piece 904; protruding rod 905; second spring 906; spring 10; leveling device 11; screw rod 1101; second bidirectional screw rod 1102; cover plate 1103; warning light 12; blocking cloth 13. DETAILED DESCRIPTION

[0019] Embodiment 1: like Figure 1-14In the invention, a prefabricated device for preventing secondary disasters and a construction method thereof are provided, comprising a plurality of bottom plates 1, on which a support device 2 is provided, the support device 2 comprises a blocking cloth 13 and a middle blocking frame 3, side brackets 4 are provided on both sides of the middle blocking frame 3, a middle blocking frame 3 is provided on the middle blocking frame 3, a plurality of leveling devices 11 are provided at the bottom of the bottom plate 1, a slide bar 8 and a monitoring unit 9 are provided on the bottom plate 1, and the monitoring unit 9 is connected to the monitoring unit 9. With this structure, the blocking cloth 13 can be folded, and the support device 2 is a detachable structure. When installing the support device 2, the two end rods 501 on both sides are rotated to make the end rods 501 horizontal, the end blocking frame 5 is slid to the top of the side rod 401, so that the L block 502 is installed on the middle blocking frame 3, the two ends of the support device 2 are spread open, and the diagonal support frame 6 is slid so that the slide seat 602 of the diagonal support frame 6 reaches the top, so that the diagonal rod 601 is connected to the diagonal support 7, so that the support device 2 is fully spread open.

[0020] The two sides of the retaining cloth 13 are fitted with the second connecting block 402 of the side bracket 4, and the middle of the retaining cloth 13 is fitted with the connecting plate 303 of the middle retaining frame 3. When the support device 2 is installed and recycled, the end retaining frame 5 is removed from the middle retaining frame 3, and the diagonal support frame 6 is removed from the diagonal support 7, so that the two ends of the retaining cloth 13 can be rolled up at the middle end of the retaining cloth 13. When the support device 2 is rolled together, the diagonal support 7 can be removed from the middle retaining frame 3 at the same time. The overall structure is quick to assemble and disassemble, so that the overall structure can be rolled up, which is convenient for the storage and carrying of the overall structure. The retaining device 2 greatly reduces the construction cost of building concrete walls on both sides of the road to prevent secondary disasters. The retaining device 2 can be removed from the base plate 1 for recycling, which further reduces the construction cost. The overall structure is quick to install and dismantle, which reduces the construction cost, and most of the overall structure can be reused, which further reduces the construction cost.

[0021] When the secondary disaster is more serious and more rocks fall onto the supporting device 2 and reach the limit value of the supporting device 2, the supporting device 2 pushes the diagonal support 7 to move so that the slide bar 8 slides and the multiple springs 10 are compressed so that the slide bar 8 hits the protruding rod 905 of the monitoring unit 9, so that the upper pole piece 903 fits with the lower pole piece 904, so that the circuit of the warning light 12 is connected and the warning light 12 is illuminated, so as to avoid the situation in which the staff cannot find the damage or failure of the protective device in time under low light conditions, which may lead to increased safety hazards and affect the subsequent repair decisions.

[0022] In the preferred embodiment, the bottom plate 1 is provided with a plurality of leveling holes 101, a side groove 103 is provided on one side of the bottom plate 1, a block 104 is provided on the other side of the bottom plate 1, a slide groove 106 is provided on the bottom plate 1, a shaft sleeve 102 is provided on the slide groove 106, a shaft sleeve 102 is provided with a shaft groove 1021, and a plurality of shaft sleeves 102 are provided with a transverse groove 105 on one side. With this structure, the screw rod 1101 abuts against the bottom surface of the bottom plate 1, and the height of the screw rod 1101 is adjusted by the second bidirectional screw rod 1102 to level the bottom plate 1, the cover plate 1103 is connected to one end of the second bidirectional screw rod 1102, the cover plate 1103 abuts against the top surface of the bottom plate 1, and two adjacent bottom plates 1 are mutually clamped together for easy connection, and a concave groove 107 is provided at one end of the slide groove 106, and the monitoring unit 9 is installed on the concave groove 107.

[0023] In the preferred embodiment, the middle block frame 3 includes a connecting plate 305, two cross bars 301 and two vertical bars 302, the two ends of the cross bar 301 are respectively connected to different ends, the end of the cross bar 301 is connected to the end of the vertical bar 302 through a connecting plate 303, the connecting plate 303 is provided with a convex column 304, and the connecting plate 305 is provided with a through hole 306. With this structure, the two cross bars 301 and the two vertical bars 302 form a rectangular structure, the end of the cross bar 301 is connected to the end of the vertical bar 302 through the connecting plate 303, the connecting plate 305 is connected to the two vertical bars 302 and the two connecting plates 303, and the L block 502 can be stuck on the convex column 304, so that one end of the end block frame 5 is connected to the middle block frame 3, and the other end of the end block frame 5 is connected to the side bracket 4.

[0024] In the preferred embodiment, the side bracket 4 includes a side rod 401, a second connecting block 402 is provided at both ends of the side rod 401, a rotating seat 4021 is provided on the second connecting block 402, two end blocking frames 5 are provided between the side bracket 4 and the middle blocking frame 3, two side brackets 4 are provided on the side bracket 4, and a rotating shaft 403 is provided on the two second connecting blocks 402 at the bottom. With this structure, the second L block 503 and the sliding seat 602 are slidably connected to the side rod 401, and the rotating shafts 403 on the two second connecting blocks 402 at the bottom are rotatably connected to the bottom plate 1.

[0025] In the preferred embodiment, the end stop frame 5 includes an end rod 501, an L block 502 is provided at one end of the end rod 501, a second L block 503 is provided at the other end of the end rod 501, a second rotating seat 5031 is provided on the second L block 503, the second rotating seat 5031 abuts against the side rod 401, and a locking hole is provided on the L block 502, which abuts against the protruding column 304. With this structure, when installing the support device 2, the two end rods 501 on both sides are rotated to make the end rods 501 horizontal, and the end stop frame 5 is slid to the top of the side rod 401, so that the L block 502 is installed on the middle stop frame 3, and the two ends of the support device 2 are spread apart.

[0026] In the preferred embodiment, the diagonal support frame 6 includes a diagonal rod 601, one end of which is provided with a hinged diagonal rod 601, the diagonal rod 601 abuts against the side rod 401, and the other end of the diagonal rod 601 is connected to one end of the diagonal rod 601. With this structure, the diagonal support frame 6 is slid to make the sliding seat 602 of the diagonal support frame 6 reach the top end, so that the diagonal rod 601 is connected to the diagonal support 7, so that the support device 2 is fully opened.

[0027] In the preferred embodiment, the diagonal support 7 includes an upper diagonal rod 701 and a lower diagonal rod 703, a bidirectional screw 702 is provided between the upper diagonal rod 701 and the lower diagonal rod 703, a handle 7021 is provided on the bidirectional screw 702, a first screw 7011 is provided on the upper diagonal rod 701, the first screw 7011 passes through the through hole 306, and the lower diagonal rod 703 is connected to the slide bar 8; The bidirectional screw rod 702 is threadedly connected to the upper inclined rod 701 and the lower inclined rod 703. According to this structure, the bidirectional screw rod 702 is rotated to adjust the inclination angle of the support device 2 relative to the bottom plate 1, and the bolt at one end of the upper inclined rod 701 is connected to the upper inclined rod 701 to connect the diagonal support 7 to the middle block frame 3. The upper inclined rod 701 is provided with a plurality of clamping seats, and one end of the inclined rod 601 is connected to the clamping seat on the upper inclined rod 701 through a second bolt.

[0028] In the preferred embodiment, the slide bar 8 abuts against the slide groove 106, a slide bar shaft 801 is provided on the slide bar 8, and a plurality of springs 10 are provided between the slide bar 8 and the bottom plate 1; The monitoring unit 9 includes a shell 901, a sliding column 902 is provided on the shell 901, a protruding rod 905 is provided on the sliding column 902, the protruding rod 905 is connected to the sliding bar 8, a second spring 906 is provided on the sliding column 902, an upper pole piece 903 is provided on the second spring 906, and a lower pole piece 904 is provided on the shell 901. The upper pole piece 903 and the lower pole piece 904 are connected to the warning light 12 via a cable. According to this structure, a power supply is provided in the monitoring unit 9, and the upper pole piece 903 and the lower pole piece 904 are connected to the warning light 12 through a cable. When the secondary disaster is more serious, more rocks fall on the supporting device 2, and when the limit value of the supporting device 2 is reached, the supporting device 2 pushes the diagonal support 7 to move to make the slide bar 8 slide, so that the slide bar 8 hits the protruding rod 905 of the monitoring unit 9, so that the upper pole piece 903 and the lower pole piece 904 fit together, so that the switch formed by the upper pole piece 903 and the lower pole piece 904 is closed, so that the warning light 12 lights up, avoiding the phenomenon that under low light conditions, the staff cannot find the damage or failure of the protective device in time, which may lead to increased safety hazards and thus affect the subsequent repair decisions.

[0029] In the preferred embodiment, a screw rod 1101 and a second bidirectional screw rod 1102 are included. A top plate is provided on the top of the screw rod 1101. The screw rod 1101 abuts against the bottom plate 1. The second bidirectional screw rod 1102 passes through the leveling hole 101 and is connected to the screw rod 1101. A cover plate 1103 is provided on the second bidirectional screw rod 1102. With this structure, the screw rod 1101 abuts against the bottom surface of the bottom plate 1. The height of the screw rod 1101 is adjusted by the second bidirectional screw rod 1102 to level the bottom plate 1. The cover plate 1103 is connected to one end of the second bidirectional screw rod 1102 and abuts against the top surface of the bottom plate 1.

[0030] Embodiment 2: Further description in conjunction with Example 1: A construction method of an assembled device for preventing secondary disasters, characterized by: S1, spiral foundation construction: after measuring and laying out, the spiral rod 1101 is constructed using an integrated power head, and the spiral foundation is screwed to the control elevation through the power head; S2. Installation of the bottom plate 1: The bottom plate 1 is installed on a plurality of spiral rods 1101, the bottom plate 1 is leveled by the second bidirectional spiral rod 1102, and the cover plate fixes the bottom plate 1 to the spiral foundation; S3, the side bracket 4 is opened; open the cloth 13, slide the second L blocks 503 at both ends on the side rod 401 to the top, rotate the second L block 503 and the end rod 501 so that the boss 304 abuts against the L block 502, and the side bracket 4 is opened; S4, the diagonal support frame 6 is opened: the slide seat 602 of the diagonal support frame 6 is slid to make the slide seat 602 abut against the second rotating seat 5031, and the diagonal rod 601 is rotated, and the diagonal rod 601 is connected to the upper diagonal rod 701, so that the blocking cloth 13 is opened; S5, structural installation of the support device 2: the rotating shafts 403 of the two second connecting blocks 402 at the bottom are rotatably connected to the bottom plate 1, and the blocking cloth 13 abuts against the transverse groove 105; S6, adjusting the inclination angle of the support device 2: the upper inclined rod 701 of the diagonal support 7 passes through the through hole 306, the bolt is connected to the upper inclined rod 701, and the upper inclined rod 701 is rotated to adjust the length of the diagonal support 7 to adjust the inclination angle of the blocking cloth 13 relative to the bottom plate 1; S7. Installation of multiple integral structures: two adjacent bottom plates 1 are snapped together, and S1 to S6 are repeated to install the supporting devices 2 on multiple bottom plates 1.

[0031] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limiting the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An assembled device for preventing secondary disasters, characterized by: The invention comprises a plurality of bottom plates (1), a support device (2) being provided on the bottom plates (1), the support device (2) comprising a blocking cloth (13) and a middle blocking frame (3), side brackets (4) being provided on both sides of the middle blocking frame (3), a middle blocking frame (3) being provided on the middle blocking frame (3), a plurality of leveling devices (11) being provided at the bottom of the bottom plates (1), a sliding bar (8) and a monitoring unit (9) being provided on the bottom plates (1), and the monitoring units (9) being connected to the monitoring units (9).

2. The assembled device for preventing secondary disasters according to claim 1 is characterized by: A plurality of leveling holes (101) are provided on the bottom plate (1), a side groove (103) is provided on one side of the bottom plate (1), a clamping block (104) is provided on the other side of the bottom plate (1), a slide groove (106) is provided on the bottom plate (1), a shaft sleeve (102) is provided on the slide groove (106), a shaft sleeve (1021) is provided on the shaft sleeve (102), and a transverse groove (105) is provided on one side of the plurality of shaft sleeves (102).

3. According to claim 1, a prefabricated device for preventing secondary disasters is characterized in that: The retaining frame (3) comprises a connecting plate (305), two cross bars (301) and two vertical bars (302), the two ends of the cross bar (301) are respectively connected to different ends, the end of the cross bar (301) is connected to the end of the vertical bar (302) via a connecting plate (303), a convex column (304) is provided on the connecting plate (303), and a through hole (306) is provided on the connecting plate (305).

4. The assembled device for preventing secondary disasters according to claim 1 is characterized by: The side bracket (4) comprises a side rod (401), second connecting blocks (402) are provided at both ends of the side rod (401), a rotating seat (4021) is provided on the second connecting block (402), two end blocking frames (5) are provided between the side bracket (4) and the middle blocking frame (3), two side brackets (4) are provided on the side bracket (4), and rotating shafts (403) are provided on the two second connecting blocks (402) at the bottom.

5. According to claim 4, a prefabricated device for preventing secondary disasters is characterized in that: The retaining frame (5) comprises an end rod (501), one end of the end rod (501) is provided with an L block (502), the other end of the end rod (501) is provided with a second L block (503), the second L block (503) is provided with a second rotating seat (5031), the second rotating seat (5031) abuts against the side rod (401), and the L block (502) is provided with a locking hole, which abuts against the protruding column (304).

6. The assembled device for preventing secondary disasters according to claim 4 is characterized by: The diagonal support frame (6) comprises a diagonal rod (601), one end of which is provided with a hinged diagonal rod (601), the diagonal rod (601) abuts against the side rod (401), and the other end of the diagonal rod (601) is connected to one end of the diagonal rod (601).

7. The assembled device for preventing secondary disasters according to claim 1 is characterized by: The diagonal support (7) comprises an upper diagonal rod (701) and a lower diagonal rod (703), a bidirectional screw rod (702) is provided between the upper diagonal rod (701) and the lower diagonal rod (703), a handle (7021) is provided on the bidirectional screw rod (702), a first screw rod (7011) is provided on the upper diagonal rod (701), and the first screw rod (7011) is connected to the lower diagonal rod (703) and the slide bar (8) through a through hole (306); The bidirectional screw rod (702) is threadedly connected to the upper inclined rod (701) and the lower inclined rod (703) respectively.

8. The assembled device for preventing secondary disasters according to claim 1 is characterized by: The slide bar (8) abuts against the slide groove (106), a slide bar shaft (801) is provided on the slide bar (8), and a plurality of springs (10) are provided between the slide bar (8) and the bottom plate (1); The monitoring unit (9) comprises a housing (901), a sliding column (902) is provided on the housing (901), a convex rod (905) is provided on the sliding column (902), the convex rod (905) is connected to the sliding bar (8), a second spring (906) is provided on the sliding column (902), an upper pole piece (903) is provided on the second spring (906), a lower pole piece (904) is provided on the housing (901), and the upper pole piece (903) and the lower pole piece (904) are connected to the warning light (12) via a cable.

9. The assembled device for preventing secondary disasters according to claim 1 is characterized by: The invention comprises a screw rod (1101) and a second bidirectional screw rod (1102); a top plate is provided on the top of the screw rod (1101); the screw rod (1101) abuts against a bottom plate (1); the second bidirectional screw rod (1102) passes through a leveling hole (101) and is connected to the screw rod (1101); and a cover plate (1103) is provided on the second bidirectional screw rod (1102).

10. A construction method for a prefabricated device for preventing secondary disasters according to any one of claims 1 to 9, characterized in that: S1. Construction of spiral foundation: After measuring and setting out, the spiral rod (1101) is constructed using an integrated power head, and the spiral foundation is screwed to the control elevation through the power head; S2, installation of the base plate (1): the base plate (1) is installed on a plurality of spiral rods (1101), the base plate (1) is leveled by a second bidirectional spiral rod (1102), and a cover plate fixes the base plate (1) to the spiral foundation; S3, the side bracket (4) is opened; the blocking cloth (13) is opened, and after the second L blocks (503) at both ends are slid to the top ends on the side rod (401), the second L blocks (503) and the end rod (501) are rotated so that the protruding column (304) abuts against the L blocks (502), and the side bracket (4) is opened; S4, the diagonal support frame (6) is opened: the sliding seat (602) of the diagonal support frame (6) is slid so that the sliding seat (602) abuts against the second rotating seat (5031), and the diagonal rod (601) is rotated, and the diagonal rod (601) is connected to the upper diagonal rod (701) to open the blocking cloth (13); S5. Structural installation of the support device (2): the rotating shafts (403) of the two second connecting blocks (402) at the bottom are rotatably connected to the bottom plate (1), and the blocking cloth (13) abuts against the transverse groove (105); S6, adjusting the inclination angle of the support device (2): the upper inclined rod (701) of the inclined support (7) passes through the through hole (306), the bolt is connected to the upper inclined rod (701), the upper inclined rod (701) is rotated, and the length of the inclined support (7) is adjusted to adjust the inclination angle of the retaining cloth (13) relative to the bottom plate (1); S7, installation of multiple integral structures: two adjacent bottom plates (1) are snapped together, and S1 to S6 are repeated to install the support devices (2) on multiple bottom plates (1).

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