Civil engineering foundation pit protection structure and construction method

Abstract

The invention relates to the technical field of building construction, particularly discloses a civil engineering foundation pit protection structure and a construction method, and aims to solve the technical problems that when an existing metal protective fence is used, a plurality of metal protective fences need to be transported to a construction site for installation, and the construction efficiency is high. When the protective fence is transported, the protective fence bumps in a carriage due to the influence of the distance and the road condition, so that a protective net in the protective fence is easy to deform and damage. According to the technical scheme, the device comprises a main body mechanism, the main body mechanism comprises a first shell and a second shell, the bottom of the first shell and the bottom of the second shell are fixedly connected with a first base and a second base respectively, and the bottom of the first base and the bottom of the second base are both fixedly connected with mounting rods. The civil engineering foundation pit protection device has the beneficial effects that by arranging the winding unit, under the action of the winding unit, a user can more conveniently and rapidly protect a civil engineering foundation pit.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a civil construction foundation pit protection structure and a construction method. Background Art

[0002] Currently in the field of construction, foundation pit refers to the space below the ground excavated for the construction of building foundations and basements. By excavating the foundation pit, basic construction work can be carried out according to the position specified by the design. In order to ensure the safety of underground structure construction and the surrounding environment of the foundation pit, construction workers generally use guardrails to block the area around the foundation pit to increase the safety of pedestrians around it.

[0003] When protecting the perimeter of civil engineering foundation pits, construction workers generally use traditional metal guardrails to protect them. However, when using existing metal guardrails, multiple metal guardrails need to be transported to the construction site for installation. When transporting the guardrails, due to the influence of the distance and road conditions, the guardrails are bumpy in the carriage, which makes the protective net in the guardrails easily deformed and damaged, thus affecting the protection of the guardrails to the civil engineering foundation pit. To this end, we propose a civil engineering foundation pit protection structure and construction method. Summary of the invention

[0004] The purpose of the present invention is to provide a civil engineering foundation pit protection structure and a construction method to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a civil engineering foundation pit protection structure and a construction method, comprising a main body mechanism, the main body mechanism comprising a first shell and a second shell, the bottoms of the first shell and the second shell are respectively fixedly connected to a first base and a second base, the bottoms of the first base and the second base are fixedly connected to a mounting rod, both sides of the first shell and the second shell are fixedly connected to fixing plates, the number of the fixing plates is four, the inner walls of the four fixing plates are provided with connecting holes, wherein the tops of the two fixing plates are movably connected to connecting plates, the bottoms of the connecting plates are fixedly connected to connecting columns, the surface of one of the connecting columns is movably connected to the inner cavity of the connecting hole, a protective cloth is arranged between the opposite sides of the first shell and the second shell, the inner wall of the protective cloth is fixedly connected to a protective net, and the first shell and the second shell are provided with a winding connection mechanism on the inner walls of the first base and the second base;

[0006] The winding connection mechanism includes a winding unit, the number of the winding units is two, the two winding units are respectively arranged on the inner walls of the first shell and the second shell, and the winding units are used to roll up the protective cloth and the protective net;

[0007] The winding connection mechanism also includes a connection unit, which is arranged on the top of the first base and the second base, and is used to connect and fix the first shell and the second shell, and the winding unit and the connection unit are used in conjunction with each other;

[0008] A warning mechanism is disposed on one side of the first shell and the second shell, and the warning mechanism is used to warn passers-by in the surrounding area.

[0009] Preferably, the winding unit includes a first driving gear and a second driving gear, and the connection between the first driving gear and the second driving gear and the first base and the second base is rotatably connected through bearings, the tops of the first driving gear and the second driving gear are fixedly connected to the auxiliary rod, the opposite sides of the first driving gear and the second driving gear are meshed and connected with driven gears, the tops of the two driven gears are fixedly connected to winding rods, the two ends of the two winding rods extend to the inner walls of the first shell and the second shell respectively and are rotatably connected to the inner walls of the first shell and the second shell through bearings, and the opposite sides of the two winding rods are in contact with the two sides of the protective cloth.

[0010] Preferably, one side of the two winding rods is fixedly connected with a connecting block, the number of the connecting blocks is four, the inner walls of the four connecting blocks are movably connected with a T-shaped clamping block, one side of the protective cloth is fixedly connected with a fixing block, the number of the fixing blocks is four, and the side of the fixing block close to the T-shaped clamping block is fixedly connected to the T-shaped clamping block.

[0011] Preferably, a movable groove is provided on one side opposite to the first shell and the second shell, and an inner cavity of the movable groove is movably connected to the surface of the protective cloth.

[0012] Preferably, the connecting unit includes two groups of first auxiliary blocks, the number of the first auxiliary blocks in each group is two, a first movable plate is movably connected between opposite sides of the two first auxiliary blocks, both sides of the first movable plate are fixedly connected with first rotating shafts, opposite ends of the two first rotating shafts pass through the inner walls of the two first auxiliary blocks and are rotatably connected to the inner walls of the first auxiliary blocks, one side is fixedly connected with a first connecting rod, one end of the first connecting rod is rotatably connected with a threaded rod, straight grooves are provided on the inner walls of the two first auxiliary blocks, and the inner cavity of the straight grooves is movably connected to the surface of the first rotating shaft.

[0013] Preferably, the connecting unit also includes two groups of second auxiliary blocks, each group of second auxiliary blocks has two second auxiliary blocks, a second movable plate is movably connected between opposite sides of the two second auxiliary blocks, both sides of the second movable plate are fixedly connected with a second rotating shaft, opposite ends of the two second rotating shafts pass through the two sides of the two second auxiliary blocks and are rotatably connected to the inner walls of the second auxiliary blocks, one side of the second movable plate is fixedly connected to a second connecting rod, the surface of the second connecting rod is rotatably connected with a threaded sleeve, the inner wall of the threaded sleeve is used in conjunction with the surface of the threaded rod, the inner walls of the two second auxiliary blocks are provided with rotating holes, the inner cavities of the rotating holes are rotatably connected to the surface of the second rotating shaft, one side of the second base is fixedly connected to a guide rod, the number of the guide rods is two, and the surface of the guide rod is used in conjunction with the inner wall of the first base.

[0014] Preferably, the warning mechanism includes a warning light and a warning sign, the bottom of the warning light and the warning sign are fixedly connected to an adjustment plate, the surfaces of the two adjustment plates are movably connected to a fixed shell, one side of the two fixed shells are respectively fixedly connected to the two sides of the first shell and the second shell, and the side of the two adjustment plates close to the first shell and the second shell are respectively in contact with one side of the first shell and the second shell.

[0015] Preferably, a spring is fixedly connected to the inner wall of the adjustment plate, one end of the spring is fixedly connected to a button, one side of the button passes through the adjustment plate and the fixed shell in sequence and is movably connected to the inner walls of the adjustment plate and the fixed shell, both sides of the button are fixedly connected to guide plates, and the surface of the guide plate is slidably connected to the inner wall of the adjustment plate.

[0016] Preferably, a first movable hole and a guide groove are respectively provided on one side of the adjustment plate, and the number of the guide grooves is two. The inner cavity of the guide groove contacts the surface of the guide plate. A second movable hole is provided on one side of the fixed shell, and the inner cavities of the first movable hole and the second movable hole both contact the surface of the button. A limiting groove is provided on the inner wall of the fixed shell, and the inner cavity of the limiting groove cooperates with the surface of the button.

[0017] A construction method for a civil foundation pit protection structure, the operation steps of which are as follows:

[0018] S1: After completing the rolling up of the protective cloth and the protective net, in order to facilitate the user to connect the first shell and the second shell so that the first shell and the second shell are more protected during transportation and handling, the user rolls up the protective cloth and the protective net into the first shell and the second shell, so that the guide rod enters the inner wall of the first base, and then the threaded sleeve is close to the threaded rod. Then the user moves the second connecting rod to drive the second rotating shaft to rotate under the action of the rotating hole. After adjusting the position of the second connecting rod to a suitable position, the user moves the first connecting rod to drive the first movable plate and the first rotating shaft to slide in the straight groove. After adjusting the position of the first connecting rod to a suitable position, the user inserts the threaded rod into the threaded sleeve. Then the user rotates the threaded sleeve so that the threaded sleeve is threadedly connected to the threaded rod. After rotating the threaded sleeve to a suitable position, the first base and the second base fit together more tightly and firmly.

[0019] S2: After completing the rolling up of the protective cloth and the protective net, in order to facilitate the user to connect the first shell and the second shell so that the first shell and the second shell are more protected during transportation and handling, the user rolls up the protective cloth and the protective net into the first shell and the second shell, so that the guide rod enters the inner wall of the first base, and then makes the threaded sleeve close to the threaded rod, and then the user moves the second connecting rod to drive the second rotating shaft to rotate under the action of the rotating hole, and after adjusting the position of the second connecting rod to a suitable position, the user moves the first connecting rod to drive the first movable plate and the first rotating shaft to slide in the straight groove, and after adjusting the position of the first connecting rod to a suitable position, the user inserts the threaded rod into the threaded sleeve, and then the user rotates the threaded sleeve so that the threaded sleeve is threadedly connected to the threaded rod, and after rotating the threaded sleeve to a suitable position, the first base and the second base fit together more tightly and firmly;

[0020] S3: In order to increase the overall warning effect of the device, the user can install a warning sign and a warning light in the first shell and the second shell. When installing the warning sign and the warning light, the user inserts the warning sign and the warning light into the fixed shell through the adjusting plate. When inserting the adjusting plate into the fixed shell, the button first slides in the limit groove. The sliding button drives the spring to be compressed under the extrusion of the fixed shell. At the same time, the movement of the button drives the guide plate to move in the first movable hole, thereby increasing the stability of the button when moving. The moving button slides in the guide groove at the same time. When the button slides to a suitable position, it enters the second movable hole. At this time, the button is completely pushed into the second movable hole by the reaction of the spring, and the adjusting plate can be fixed, thereby increasing the stability and firmness of the warning sign and the warning light.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention provides a winding unit, which can make it more convenient for users to protect the civil engineering foundation pit, thereby avoiding the use of traditional guardrails when protecting the civil engineering foundation pit. Since traditional guardrails are usually made of metal materials, traditional guardrails are bumpy during transportation due to the influence of distance and road conditions. Due to the bumps, the traditional guardrails are deformed and worn, which in turn affects the service life of the traditional guardrails. The purpose of facilitating users to protect the civil engineering foundation pit is achieved, eliminating the need for users to use traditional metal guardrails to protect the civil engineering foundation pit, and increasing the convenience of protecting the civil engineering foundation pit.

[0023] The present invention provides a connecting unit, which can facilitate the user to fix the first shell and the second shell when the first shell and the second shell have completed rolling up the protective cloth and the protective net, thereby increasing the stability and firmness of the first shell and the second shell after the protective cloth and the protective net are rolled up, avoiding the first shell and the second shell from being separated during transportation and handling, and achieving the purpose of facilitating the user to fix the first shell and the second shell after the protective cloth and the protective net are rolled up.

[0024] The present invention provides a warning mechanism, which can increase the warning effect on the surrounding people, prevent the surrounding people from mistakenly entering the civil engineering foundation pit and causing accidents, and at the same time can remind and warn the surrounding people at night, thereby further increasing the protective effect of the civil engineering foundation pit during protection, and achieving the purpose of conveniently reminding and warning the people around the civil engineering foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a connection diagram of the collection unit of the present invention;

[0027] Figure 3 It is a schematic diagram of the connection between the reel rod and the protective cloth of the present invention;

[0028] Figure 4 It is a schematic diagram of the connection between the second shell and the collection unit of the present invention;

[0029] Figure 5 It is a three-dimensional schematic diagram of the warning mechanism of the present invention;

[0030] Figure 6 It is an exploded schematic diagram of the warning unit of the present invention;

[0031] Figure 7 It is a three-dimensional schematic diagram of the first base, the second base and the connecting unit of the present invention;

[0032] Figure 8 It is a schematic diagram of the exploded view of the connection unit of the present invention.

[0033] In the figure: 1. main body; 11. first shell; 12. second shell; 13. connecting hole; 14. fixing plate; 15. connecting plate; 16. connecting column; 17. protective net; 18. protective cloth; 19. mounting rod; 110. first base; 111. second base; 2. winding connection mechanism; 21. winding unit; 2101. first driving gear; 2102. second driving gear; 2103. auxiliary rod; 2104. driven gear; 2105. winding rod; 2106. connecting block; 2107. fixing block; 2108. movable groove; 2109. T-shaped block; 22. connecting unit; 2201. first auxiliary block; 2202, second auxiliary block; 2203, guide rod; 2204, straight notch; 2205, first movable plate; 2206, first rotating shaft; 2207, first connecting rod; 2208, threaded rod; 2209, second connecting rod; 2210, second rotating shaft; 2211, rotating hole; 2212, second movable plate; 2213, threaded sleeve; 3, warning mechanism; 301, warning light; 302, warning sign; 303, fixed shell; 304, adjustment plate; 305, limit groove; 306, button; 307, guide groove; 308, first movable hole; 309, spring; 310, guide plate; 311, second movable hole. DETAILED DESCRIPTION

[0034] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0035] Embodiment 1

[0036] See also Figure 1-8The present invention provides a technical solution: a civil engineering foundation pit protection structure and a construction method. The present invention makes corresponding improvements to the technical problems mentioned in the background technology, including a main body mechanism 1, the main body mechanism 1 includes a first shell 11 and a second shell 12, the bottoms of the first shell 11 and the second shell 12 are respectively fixedly connected with a first base 110 and a second base 111, the bottoms of the first base 110 and the second base 111 are both fixedly connected with a mounting rod 19, both sides of the first shell 11 and the second shell 12 are fixedly connected with a fixing plate 14, the fixing plate 14 There are four of them, and the inner walls of the four fixing plates 14 are all provided with connecting holes 13, wherein the tops of the two fixing plates 14 are movably connected with connecting plates 15, and the bottoms of the connecting plates 15 are fixedly connected with connecting columns 16, wherein the surface of one connecting column 16 is movably connected with the inner cavity of the connecting hole 13, a protective cloth 18 is arranged between the opposite sides of the first shell 11 and the second shell 12, and a protective net 17 is fixedly connected to the inner wall of the protective cloth 18, and a reeling connection mechanism 2 is arranged on the inner walls of the first shell 11 and the second shell 12 and the first base 110 and the second base 111;

[0037] The winding connection mechanism 2 includes a winding unit 21. The number of the winding units 21 is two. The two winding units 21 are respectively arranged on the inner walls of the first shell 11 and the second shell 12. The winding units 21 are used to roll up the protective cloth 18 and the protective net 17.

[0038] The winding connection mechanism 2 also includes a connection unit 22, which is disposed on the top of the first base 110 and the second base 111. The connection unit 22 is used to connect and fix the first shell 11 and the second shell 12. The winding unit 21 and the connection unit 22 are used in conjunction with each other.

[0039] A warning mechanism 3 is disposed on one side of the first shell 11 and the second shell 12 . The warning mechanism 3 is used to warn passers-by in the surrounding area.

[0040] The winding unit 21 includes a first driving gear 2101 and a second driving gear 2102. The connection points between the first driving gear 2101 and the second driving gear 2102 and the first base 110 and the second base 111 are rotatably connected through bearings. The tops of the first driving gear 2101 and the second driving gear 2102 are fixedly connected with an auxiliary rod 2103. The opposite sides of the first driving gear 2101 and the second driving gear 2102 are meshed and connected with driven gears 2104. The tops of the two driven gears 2104 are fixedly connected with winding rods 2105. The two ends of the two winding rods 2105 extend to the inner walls of the first shell 11 and the second shell 12 respectively and are rotatably connected to the inner walls of the first shell 11 and the second shell 12 through bearings. The opposite sides of the two winding rods 2105 are in contact with the two sides of the protective cloth 18.

[0041] The two winding rods 2105 are fixedly connected to a connecting block 2106 on one side relative to each other, and the number of the connecting blocks 2106 is four. The inner walls of the four connecting blocks 2106 are movably connected to a T-shaped block 2109. The protective cloth 18 is fixedly connected to a fixing block 2107 on one side, and the number of the fixing blocks 2107 is four. The side of the fixing block 2107 close to the T-shaped block 2109 is fixedly connected to the T-shaped block 2109.

[0042] A movable groove 2108 is formed on one side of the first shell 11 and the other side of the second shell 12 . The inner cavity of the movable groove 2108 is movably connected to the surface of the protective cloth 18 .

[0043] By setting up the winding unit 21, the winding unit 21 can facilitate users to protect the civil engineering foundation pit more conveniently, thereby avoiding the use of traditional guardrails when protecting the civil engineering foundation pit. Since traditional guardrails are usually made of metal materials, traditional guardrails are bumpy during transportation due to the influence of distance and road conditions. Due to the bumps, the traditional guardrails are deformed and worn, which in turn affects the service life of the traditional guardrails. The purpose of facilitating users to protect the civil engineering foundation pit is achieved, eliminating the need for users to use traditional metal guardrails to protect the civil engineering foundation pit, and increasing the convenience of protecting the civil engineering foundation pit.

[0044] The specific implementation method of this embodiment is as follows: when rolling up the protective cloth 18 and the protective net 17, the user can use an electric wrench to insert the sleeve of the electric wrench into the auxiliary rod 2103, and drive the auxiliary rod 2103 through the electric wrench so that the active gear drives the driven gear 2104 to rotate under the action of the bearing, and the rotating driven gear 2104 drives the winding rod 2105 to rotate under the action of the bearing, and the rotating winding rod 2105 drives the connecting block 2106 and the T-shaped block 2109 to move, and the moving T-shaped block 2109 drives the fixed block 2107 to roll up the protective cloth 18, and the rolled protective cloth 18 is wound around the winding rod 2105, and the moving protective cloth 18 drives the protective net 17 to move in the movable groove 2108, and the protective cloth 18 is collected into the first shell 11 and the second shell 12, so that the protective cloth 18 and the protective net 17 are evenly rolled up in the first shell 11 and the second shell 12.

[0045] Embodiment 2

[0046] See also Figure 1-8The present invention provides a technical solution: a civil engineering foundation pit protection structure and a construction method. The present invention makes corresponding improvements to the technical problems mentioned in the background technology. The connecting unit 22 includes two groups of first auxiliary blocks 2201, and the number of first auxiliary blocks 2201 in each group is two. A first movable plate 2205 is movably connected between the opposite sides of the two first auxiliary blocks 2201. Both sides of the first movable plate 2205 are fixedly connected with a first rotating shaft 2206. The opposite ends of the two first rotating shafts 2206 penetrate through the inner walls of the two first auxiliary blocks 2201 and are rotatably connected to the inner walls of the first auxiliary blocks 2201. One side is fixedly connected with a first connecting rod 2207, and one end of the first connecting rod 2207 is rotatably connected with a threaded rod 2208. The inner walls of the two first auxiliary blocks 2201 are provided with straight notches 2204, and the inner cavity of the straight notch 2204 is movably connected to the surface of the first rotating shaft 2206.

[0047] The connecting unit 22 also includes two groups of second auxiliary blocks 2202, each group of second auxiliary blocks 2202 has two second auxiliary blocks, a second movable plate 2212 is movably connected between the opposite sides of the two second auxiliary blocks 2202, and both sides of the second movable plate 2212 are fixedly connected to the second rotating shaft 2210, and the opposite ends of the two second rotating shafts 2210 penetrate the two sides of the two second auxiliary blocks 2202 and are rotatably connected to the inner wall of the second auxiliary blocks 2202, and one side of the second movable plate 2212 is fixedly connected to the second connecting rod 2209, the surface of the second connecting rod 2209 is rotatably connected with a threaded sleeve 2213, the inner wall of the threaded sleeve 2213 cooperates with the surface of the threaded rod 2208, the inner walls of the two second auxiliary blocks 2202 are each provided with a rotation hole 2211, the inner cavity of the rotation hole 2211 is rotatably connected with the surface of the second rotation shaft 2210, one side of the second base 111 is fixedly connected with a guide rod 2203, the number of the guide rods 2203 is two, and the surface of the guide rod 2203 cooperates with the inner wall of the first base 110.

[0048] By providing the connecting unit 22, the user can fix the first shell 11 and the second shell 12 when the protective cloth 18 and the protective net 17 are rolled up by the connecting unit 22, thereby increasing the stability and firmness of the first shell 11 and the second shell 12 after the protective cloth 18 and the protective net 17 are rolled up, avoiding the first shell 11 and the second shell 12 from being separated during transportation and handling, thereby achieving the purpose of facilitating the user to fix the first shell 11 and the second shell 12 after the protective cloth 18 and the protective net 17 are rolled up.

[0049] The specific implementation of this embodiment is as follows: after completing the rolling up of the protective cloth 18 and the protective net 17, in order to facilitate the user to connect the first shell 11 and the second shell 12, so that the first shell 11 and the second shell 12 are more protected during transportation and handling, the user rolls up the protective cloth 18 and the protective net 17 into the first shell 11 and the second shell 12, so that the guide rod 2203 enters the inner wall of the first base 110, and then makes the threaded sleeve 2213 close to the threaded rod 2208, and then the user moves the second connecting rod 2209 to drive the second rotating shaft 2210 under the action of the rotating hole 2211 After rotating and adjusting the position of the second connecting rod 2209 to a suitable position, the user moves the first connecting rod 2207 to drive the first movable plate 2205 and the first rotating shaft 2206 to slide in the straight slot 2204. After adjusting the position of the first connecting rod 2207 to a suitable position, the user inserts the threaded rod 2208 into the threaded sleeve 2213. Then the user rotates the threaded sleeve 2213 so that the threaded sleeve 2213 is threadedly connected to the threaded rod 2208. After rotating the threaded sleeve 2213 to a suitable position, the first base 110 and the second base 111 fit together more tightly and firmly.

[0050] Embodiment 3

[0051] See also Figure 1-8 The present invention provides a technical solution: a civil engineering foundation pit protection structure and a construction method. The present invention makes corresponding improvements to the technical problems mentioned in the background technology. The warning mechanism 3 includes a warning light 301 and a warning sign 302. The bottoms of the warning light 301 and the warning sign 302 are fixedly connected with adjustment plates 304. The surfaces of the two adjustment plates 304 are movably connected with fixed shells 303. One side of the two fixed shells 303 is fixedly connected to the two sides of the first shell 11 and the second shell 12 respectively. The sides of the two adjustment plates 304 close to the first shell 11 and the second shell 12 are in contact with one side of the first shell 11 and the second shell 12 respectively.

[0052] A spring 309 is fixedly connected to the inner wall of the adjustment plate 304, one end of the spring 309 is fixedly connected to a button 306, one side of the button 306 passes through the adjustment plate 304 and the fixed shell 303 in sequence and is movably connected to the inner walls of the adjustment plate 304 and the fixed shell 303, both sides of the button 306 are fixedly connected to guide plates 310, and the surface of the guide plate 310 is slidably connected to the inner wall of the adjustment plate 304.

[0053] A first movable hole 308 and a guide groove 307 are respectively provided on one side of the adjustment plate 304, and there are two guide grooves 307. The inner cavity of the guide groove 307 contacts the surface of the guide plate 310. A second movable hole 311 is provided on one side of the fixed shell 303. The inner cavities of the first movable hole 308 and the second movable hole 311 both contact the surface of the button 306. A limiting groove 305 is provided on the inner wall of the fixed shell 303, and the inner cavity of the limiting groove 305 cooperates with the surface of the button 306.

[0054] By setting up the warning mechanism 3, the warning effect on the surrounding people can be increased under the action of the warning mechanism 3, so as to prevent the surrounding people from mistakenly entering the civil engineering foundation pit and causing accidents. At the same time, the surrounding people can be reminded and warned at night, thereby further increasing the protective effect of the civil engineering foundation pit during protection, and achieving the purpose of conveniently reminding and warning people around the civil engineering foundation pit.

[0055] The specific implementation of this embodiment is as follows: in order to increase the overall warning effect of the device, the user can install the warning sign 302 and the warning light 301 in the first shell 11 and the second shell 12. When installing the warning sign 302 and the warning light 301, the user inserts the warning sign 302 and the warning light 301 into the fixed shell 303 through the adjustment plate 304. When the adjustment plate 304 is inserted into the fixed shell 303, the button 306 first slides in the limit groove 305, and the sliding button 306 drives the spring 309 under the pressure of the fixed shell 303. The button 306 is compressed, and the movement of the button 306 drives the guide plate 310 to move in the first movable hole 308, thereby increasing the stability of the button 306 during movement. The moving button 306 slides in the guide groove 307 at the same time. When the button 306 slides to a suitable position, it enters the second movable hole 311. At this time, the button 306 completely enters the second movable hole 311 under the push of the reaction of the spring 309, and the adjustment plate 304 can be fixed, thereby increasing the stability and firmness of the warning sign 302 and the warning light 301.

[0056] Working principle: when rolling up the protective cloth 18 and the protective net 17, the user can use an electric wrench to insert the sleeve of the electric wrench into the auxiliary rod 2103, and drive the auxiliary rod 2103 through the electric wrench so that the active gear drives the driven gear 2104 to rotate under the action of the bearing, and the rotating driven gear 2104 drives the winding rod 2105 to rotate under the action of the bearing, and the rotating winding rod 2105 drives the connecting block 2106 and the T-shaped block 2109 to move, and the moving T-shaped block 2109 drives the fixed block 2107 to roll up the protective cloth 18, and the rolled protective cloth 18 is wound around the winding rod 2105, and the moving protective cloth 18 drives the protective net 17 to move in the movable groove 2108. The protective cloth 18 is collected into the first shell 11 and the second shell 12, so that the protective cloth 18 and the protective net 17 are evenly rolled up in the first shell 11 and the second shell 12. After the protective cloth 18 and the protective net 17 are rolled up, in order to facilitate the user to connect the first shell 11 and the second shell 12, so that the first shell 11 and the second shell 12 are more protected during transportation and handling, the user rolls the protective cloth 18 and the protective net 17 into the first shell 11 and the second shell 12, so that the guide rod 2203 enters the inner wall of the first base 110, and then the threaded sleeve 2213 is close to the threaded rod 2208, and then the user moves the second connecting rod 2209 to drive the second rotating shaft 2210 in the rotating hole 22 11, after adjusting the position of the second connecting rod 2209 to a suitable position, the user moves the first connecting rod 2207 to drive the first movable plate 2205 and the first rotating shaft 2206 to slide in the straight slot 2204, and after adjusting the position of the first connecting rod 2207 to a suitable position, the user inserts the threaded rod 2208 into the threaded sleeve 2213, and then the user rotates the threaded sleeve 2213 so that the threaded sleeve 2213 and the threaded rod 2208 are threadedly connected. After the threaded sleeve 2213 is rotated to a suitable position, the first base 110 and the second base 111 are more closely and firmly attached to each other. In order to increase the warning effect of the entire device, the user can 2, when installing the warning sign 302 and the warning light 301, the user inserts the warning sign 302 and the warning light 301 into the fixed shell 303 through the adjustment plate 304, and when the adjustment plate 304 is inserted into the fixed shell 303, the button 306 first slides in the limit groove 305, and the sliding button 306 drives the spring 309 to be compressed under the pressure of the fixed shell 303, and at the same time, the movement of the button 306 drives the guide plate 310 to move in the first movable hole 308, thereby increasing the stability of the button 306 when moving, and the moving button 306 slides in the guide groove 307 at the same time, and when the button 306 slides to a suitable position, it enters the second movable hole 311,At this time, the button 306 is completely pushed into the second movable hole 311 by the reaction of the spring 309, so that the adjustment plate 304 can be fixed, thereby increasing the stability and firmness of the warning sign 302 and the warning light 301.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A civil engineering foundation pit protection structure, comprising a main body (1), characterized in that: The main body mechanism (1) comprises a first shell (11) and a second shell (12); the bottoms of the first shell (11) and the second shell (12) are respectively fixedly connected to a first base (110) and a second base (111); the bottoms of the first base (110) and the second base (111) are both fixedly connected to a mounting rod (19); both sides of the first shell (11) and the second shell (12) are fixedly connected to fixing plates (14); the number of the fixing plates (14) is four; the inner walls of the four fixing plates (14) are each provided with a connecting hole (13), two of which are The top of the fixed plate (14) is movably connected to a connecting plate (15), and the bottom of the connecting plate (15) is fixedly connected to a connecting column (16), and the surface of one of the connecting columns (16) is movably connected to the inner cavity of the connecting hole (13); a protective cloth (18) is arranged between the first shell (11) and the second shell (12) on opposite sides, and a protective net (17) is fixedly connected to the inner wall of the protective cloth (18); and a reeling connection mechanism (2) is arranged on the inner walls of the first shell (11) and the second shell (12) and the first base (110) and the second base (111); The reeling connection mechanism (2) comprises a reeling unit (21), the number of the reeling units (21) being two, the two reeling units (21) being respectively arranged on the inner walls of the first shell (11) and the second shell (12), the reeling units (21) being used to reel the protective cloth (18) and the protective net (17); The winding connection mechanism (2) further comprises a connection unit (22), wherein the connection unit (22) is arranged on the top of the first base (110) and the second base (111), and the connection unit (22) is used to connect and fix the first shell (11) and the second shell (12), and the winding unit (21) and the connection unit (22) are used in coordination; A warning mechanism (3) is provided on one side of each of the first shell (11) and the second shell (12), and the warning mechanism (3) is used to warn surrounding passers-by.

2. A civil engineering foundation pit protection structure according to claim 1, characterized in that: The winding unit (21) comprises a first driving gear (2101) and a second driving gear (2102); the first driving gear (2101) and the second driving gear (2102) are rotatably connected to the first base (110) and the second base (111) at their connection points via bearings; the tops of the first driving gear (2101) and the second driving gear (2102) are fixedly connected to auxiliary rods (2103); the first driving gear (2101) and the second driving gear (2102) are meshedly connected to driven gears (2104) on opposite sides; the tops of the two driven gears (2104) are fixedly connected to winding rods (2105); the two ends of the two winding rods (2105) extend to the inner walls of the first shell (11) and the second shell (12) respectively and are rotatably connected to the inner walls of the first shell (11) and the second shell (12) via bearings; the opposite sides of the two winding rods are in contact with the two sides of the protective cloth (18).

3. A civil engineering foundation pit protection structure according to claim 2, characterized in that: One side of the two winding rods (2105) opposite to each other is fixedly connected with a connecting block (2106), the number of the connecting blocks (2106) is four, the inner walls of the four connecting blocks (2106) are movably connected with a T-shaped clamping block (2109), one side of the protective cloth (18) is fixedly connected with a fixing block (2107), the number of the fixing blocks (2107) is four, and the side of the fixing block (2107) close to the T-shaped clamping block (2109) is fixedly connected to the T-shaped clamping block (2109).

4. A civil engineering foundation pit protection structure according to claim 1, characterized in that: A movable groove (2108) is provided on one side opposite to the first shell (11) and the second shell (12), and the inner cavity of the movable groove (2108) is movably connected to the surface of the protective cloth (18).

5. The civil engineering foundation pit protection structure according to claim 1, characterized in that: The connecting unit (22) comprises two groups of first auxiliary blocks (2201), each group of the first auxiliary blocks (2201) comprises two first auxiliary blocks, a first movable plate (2205) is movably connected between opposite sides of the two first auxiliary blocks (2201), both sides of the first movable plate (2205) are fixedly connected with a first rotating shaft (2206), the opposite ends of the two first rotating shafts (2206) penetrate through the inner walls of the two first auxiliary blocks (2201) and are rotatably connected to the inner walls of the first auxiliary blocks (2201), one side of the (2205) is fixedly connected with a first connecting rod (2207), one end of the first connecting rod (2207) is rotatably connected with a threaded rod (2208), the inner walls of the two first auxiliary blocks (2201) are provided with straight slots (2204), the inner cavity of the straight slots (2204) is movably connected to the surface of the first rotating shaft (2206).

6. The civil engineering foundation pit protection structure according to claim 1, characterized in that: The connecting unit (22) further comprises two groups of second auxiliary blocks (2202), each group of the second auxiliary blocks (2202) comprises two second auxiliary blocks, a second movable plate (2212) is movably connected between opposite sides of the two second auxiliary blocks (2202), both sides of the second movable plate (2212) are fixedly connected with a second rotating shaft (2210), opposite ends of the two second rotating shafts (2210) pass through the two sides of the two second auxiliary blocks (2202) and are rotatably connected with the inner wall of the second auxiliary blocks (2202), and one side of the second movable plate (2212) is fixedly connected with a second connecting rod (220 9), the surface of the second connecting rod (2209) is rotatably connected with a threaded sleeve (2213), the inner wall of the threaded sleeve (2213) is used in conjunction with the surface of the threaded rod (2208), the inner walls of the two second auxiliary blocks (2202) are each provided with a rotating hole (2211), the inner cavity of the rotating hole (2211) is rotatably connected with the surface of the second rotating shaft (2210), one side of the second base (111) is fixedly connected with a guide rod (2203), the number of the guide rods (2203) is two, and the surface of the guide rod (2203) is used in conjunction with the inner wall of the first base (110).

7. The civil engineering foundation pit protection structure according to claim 1, characterized in that: The warning mechanism (3) comprises a warning light (301) and a warning sign (302); the bottoms of the warning light (301) and the warning sign (302) are fixedly connected to adjustment plates (304); the surfaces of the two adjustment plates (304) are movably connected to fixed shells (303); one side of the two fixed shells (303) is respectively fixedly connected to the two sides of the first shell (11) and the second shell (12); and the sides of the two adjustment plates (304) close to the first shell (11) and the second shell (12) are respectively in contact with one side of the first shell (11) and the second shell (12).

8. A civil engineering foundation pit protection structure according to claim 7, characterized in that: The inner wall of the adjustment plate (304) is fixedly connected to a spring (309), one end of the spring (309) is fixedly connected to a button (306), one side of the button (306) passes through the adjustment plate (304) and the fixed shell (303) in sequence and is movably connected to the inner walls of the adjustment plate (304) and the fixed shell (303), and both sides of the button (306) are fixedly connected to guide plates (310), and the surface of the guide plate (310) is slidably connected to the inner wall of the adjustment plate (304).

9. A civil engineering foundation pit protection structure according to claim 8, characterized in that: A first movable hole (308) and a guide groove (307) are respectively provided on one side of the adjustment plate (304), and the number of the guide grooves (307) is two. The inner cavity of the guide groove (307) contacts the surface of the guide plate (310). A second movable hole (311) is provided on one side of the fixed shell (303), and the inner cavities of the first movable hole (308) and the second movable hole (311) both contact the surface of the button (306). A limiting groove (305) is provided on the inner wall of the fixed shell (303), and the inner cavity of the limiting groove (305) cooperates with the surface of the button (306).

10. A construction method for a civil foundation pit protection structure, characterized in that: The operation steps are as follows: S1: After the protective cloth (18) and the protective net (17) are rolled up, in order to facilitate the user to connect the first shell (11) and the second shell (12), so that the first shell (11) and the second shell (12) are better protected during transportation and handling, the user rolls up the protective cloth (18) and the protective net (17) into the first shell (11) and the second shell (12), so that the guide rod (2203) enters the inner wall of the first base (110), and then the threaded sleeve (2213) is close to the threaded rod (2208), and then the user moves the second connecting rod (2209) to drive the second rotating shaft (2210) to move in the rotating hole (2211). After the second connecting rod (2207) is adjusted to a suitable position, the user moves the first connecting rod (2207) to drive the first movable plate (2205) and the first rotating shaft (2206) to slide in the straight slot (2204). After the first connecting rod (2207) is adjusted to a suitable position, the user inserts the threaded rod (2208) into the threaded sleeve (2213). Then, the user rotates the threaded sleeve (2213) so that the threaded sleeve (2213) and the threaded rod (2208) are threadedly connected. After the threaded sleeve (2213) is rotated to a suitable position, the first base (110) and the second base (111) are more tightly and firmly fitted together. S2: After the protective cloth (18) and the protective net (17) are rolled up, in order to facilitate the user to connect the first shell (11) and the second shell (12), so that the first shell (11) and the second shell (12) are better protected during transportation and handling, the user rolls up the protective cloth (18) and the protective net (17) into the first shell (11) and the second shell (12), so that the guide rod (2203) enters the inner wall of the first base (110), and then the threaded sleeve (2213) is close to the threaded rod (2208), and then the user moves the second connecting rod (2209) to drive the second rotating shaft (2210) to move in the rotating hole (2211). After the second connecting rod (2207) is adjusted to a suitable position, the user moves the first connecting rod (2207) to drive the first movable plate (2205) and the first rotating shaft (2206) to slide in the straight slot (2204). After the first connecting rod (2207) is adjusted to a suitable position, the user inserts the threaded rod (2208) into the threaded sleeve (2213). Then, the user rotates the threaded sleeve (2213) so that the threaded sleeve (2213) and the threaded rod (2208) are threadedly connected. After the threaded sleeve (2213) is rotated to a suitable position, the first base (110) and the second base (111) are more tightly and firmly fitted together. S3: In order to increase the overall warning effect of the device, the user can install a warning sign (302) and a warning light (301) in the first shell (11) and the second shell (12). When installing the warning sign (302) and the warning light (301), the user inserts the warning sign (302) and the warning light (301) into the fixed shell (303) through the adjustment plate (304). When the adjustment plate (304) is inserted into the fixed shell (303), the button (306) first slides in the limit groove (305). The sliding button (306) is pressed by the fixed shell (303) to drive the spring (309) to be compressed. The button (306) is compressed and the movement of the button (306) drives the guide plate (310) to move in the first movable hole (308), thereby increasing the stability of the button (306) when moving. The moving button (306) slides in the guide groove (307) at the same time. When the button (306) slides to a suitable position, it enters the second movable hole (311). At this time, the button (306) is completely pushed into the second movable hole (311) by the reaction of the spring (309), so that the adjustment plate (304) can be fixed, thereby increasing the stability and firmness of the warning sign (302) and the warning light (301).

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