Steel corrugated pipe culvert end wall protection structure

By designing a buffer ring and a rotation adjustment device on the concrete end wall in the steel corrugated pipe culvert, the problem of steel corrugated pipe cracking due to thermal expansion and contraction is solved, and flexible adjustment of liquid output flow is achieved.

CN222255365UInactive Publication Date: 2024-12-27BEIJING URBAN CONSTR NO 5 MUNICIPAL ENG CO LTD
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Patent Information

Application Number
CN202421174910.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2024-12-27
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When installed in the culvert, steel corrugated pipes are susceptible to thermal expansion and contraction and cracking, and the liquid output flow is not easy to adjust.

Method used

A steel corrugated culvert end wall protective structure is designed, including concrete end walls and protective structures. The protective structure uses buffer rings and rotational adjustment devices. The buffer ring provides protection when thermal expansion, and the adjustment device passes through racks, gears and limits. Flow plate adjusts flow rate.

Benefits of technology

Effectively prevent steel corrugated pipe from cracking due to thermal expansion and contraction, and flexibly adjust the liquid output flow through the adjustment device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel corrugated pipe culvert end wall protection structure which comprises a mounting plate, a circular hollowed-out part is formed in the middle of the mounting plate, inserting grooves are symmetrically formed in the surface of the mounting plate and located on the two sides of the hollowed-out part, and a connecting frame is movably connected to the outer wall of the mounting plate and located on the inner side of the circular hollowed-out part. A buffer ring is fixedly connected to the inner wall of the connecting frame, the side, close to the mounting plate, of the buffer ring is thin, the side, away from the mounting plate, of the buffer ring is thick, inserting pieces are symmetrically and fixedly connected to the two sides of the outer wall of the connecting frame, and the two inserting pieces are movably connected with the interiors of the inserting grooves in the different sides correspondingly. The mounting plate is fixed to the surface of the concrete end wall, the connecting frame with the buffering ring is connected into the mounting plate, the inner side of the buffering ring is used for penetrating and fixing the steel corrugated pipe, the buffering ring is extruded when the steel corrugated pipe is heated and expanded, the buffering ring is compressed and protects the side edge of the steel corrugated pipe at the same time, and the steel corrugated pipe is prevented from being broken due to large pressure.
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Description

Technical Field

[0001] The utility model relates to the technical field of culvert structures, in particular to a steel corrugated pipe culvert end wall protection structure. Background Art

[0002] Steel bellows is a pipe used to transport liquids or gases. It has a corrugated structure, which makes it highly flexible and pressure-resistant. It is usually made of stainless steel and can be used in water supply, gas supply, drainage, HVAC and other fields. It is commonly found in industrial equipment and construction projects. Its flexibility and corrosion resistance enable it to function in various environments.

[0003] In the prior art, when installing a steel bellows in a culvert, concrete end walls need to be built on both sides of the steel bellows. The steel bellows are easily squeezed and cracked due to thermal expansion and contraction. In addition, when the steel bellows are installed and put into use, the liquid output flow at both ends of the steel bellows is difficult to adjust. Therefore, a steel bellows culvert end wall protection structure is proposed to solve the above problems. Utility Model Content

[0004] The technical problems to be solved by the utility model are as follows: concrete end walls need to be built on both sides of the steel bellows, and the steel bellows are easily squeezed and cracked due to thermal expansion and contraction. In addition, when the steel bellows are installed and put into use, the liquid output flow at both ends of the steel bellows is difficult to adjust.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A steel corrugated pipe culvert end wall protection structure comprises a concrete end wall, a protection structure is arranged on the front of the concrete end wall, and a steel corrugated pipe is arranged in the middle of the protection structure;

[0007] Also includes:

[0008] Wherein, the protective structure comprises a mounting plate, a circular hollow is provided in the middle of the mounting plate, and slots are symmetrically provided on the surface of the mounting plate and on both sides of the hollow;

[0009] The outer wall of the mounting plate is movably connected to a connection frame located inside the circular hollow, and the inner wall of the connection frame is fixedly connected to a buffer ring, the buffer ring is thinner on the side close to the mounting plate, and thicker on the side away from the mounting plate;

[0010] Wherein, plug-ins are symmetrically and fixedly connected to both sides of the outer wall of the connection frame, and the two plug-ins are movably connected to the inside of different side slots respectively.

[0011] As a further solution of the utility model: one end of the plug-in located outside the slot is rotatably connected to an adjusting rod, one end of the adjusting rod penetrates into the plug-in and is fixedly connected to a screw, the other end of the screw is rotatably connected to the inner wall of the plug-in, and extrusion grooves are symmetrically opened on both sides of the middle of the plug-in surface.

[0012] As a further solution of the utility model: a threaded sleeve is provided on the outer wall of the screw rod, and a limiting sleeve is fixedly connected to the outer wall of the threaded sleeve near the two extrusion grooves, the outer wall of the limiting sleeve is slidably connected to the inner side of the extrusion groove, and the inner walls of the two limiting sleeves are fixedly connected to a spring, and the other end of the spring is fixedly connected to an extrusion block, and the end of the extrusion block passes through the extrusion groove and is movably connected to the inner side of the slot.

[0013] As a further solution of the utility model: the surface of the mounting plate and the upper and lower sides of the circular hollow are fixedly connected to limiting rails, and limiting plates are slidably connected in the limiting rails on both sides, and the two limiting plates are symmetrically arranged on both sides of the mounting plate surface, one side of the upper limiting plate is fixedly connected with rack one, and one side of the lower limiting plate is fixedly connected with rack two, and the length direction of rack one is consistent with the length direction of rack two.

[0014] As a further solution of the utility model: a gear is rotatably connected to the surface of the mounting plate and is located between rack one and rack two, one side of the outer wall of the gear is meshed with rack one, and the other side of the outer wall of the gear is meshed with rack two, a winding roller is rotatably connected to the upper end of the mounting plate surface, a crank is fixedly connected to one end of the side of the winding roller, a traction rope is wrapped around the middle part of the winding roller, and the bottom end of the traction rope is fixedly connected to the limiting plate below.

[0015] As a further solution of the utility model: mounting holes are provided on the upper and lower sides of the mounting plate, and reinforcing feet are movably connected to the surface of the mounting plate near the mounting holes on the lower side, and bolts are penetrated through the inner walls of the mounting holes on both sides, and the middle part of the bolts located below is penetrated and connected with the reinforcing feet.

[0016] As a further solution of the utility model: the middle part of the outer wall of the concrete end wall is in movably contact with the mounting plate, the surface of the concrete end wall is connected with bolts through it, the inner side of the buffer ring is movably connected with the steel bellows, and the steel bellows is connected with the inner wall of the concrete end wall as a whole.

[0017] Beneficial effects of the utility model:

[0018] (1) The utility model is fixed on the surface of the concrete end wall through a mounting plate, and a connection frame with a buffer ring is connected inside the mounting plate. The inner side of the buffer ring is used to pass and fix the steel bellows. When the steel bellows expands due to heat, the buffer ring is squeezed, and the buffer ring is compressed and protects the side of the steel bellows to prevent the steel bellows from being broken by a large pressure. In addition, the connection frame is easy to disassemble and assemble on the outside of the mounting plate, so that it is convenient to replace the buffer ring in time after aging;

[0019] (2) The crank in the rotating device drives the winding roller to rotate, thereby retracting and releasing the traction rope and driving the flow limiting plate below the steel bellows to rise, and through the transmission of rack 1, rack 2 and gear, driving the flow limiting plate above to fall, the flow limiting plates on both sides can jointly limit the liquid flow in the steel bellows. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the protection structure in the utility model;

[0023] Figure 3 This is a schematic diagram of the internal structure of the mounting plate in the utility model from a side perspective;

[0024] Figure 4 It is a schematic diagram of the internal structure of the plug-in in the utility model;

[0025] Figure 5 It is a schematic cross-sectional view of the structure of the connecting frame in the utility model from a side perspective.

[0026] In the figure: 1. Concrete end wall; 2. Protective structure; 201. Mounting plate; 202. Mounting hole; 203. Bolt; 204. Limit rail; 205. Connecting frame; 206. Buffer ring; 207. Plug-in; 208. Adjusting rod; 209. Screw; 210. Extrusion groove; 211. Threaded sleeve; 212. Limit sleeve; 213. Spring; 214. Extrusion block; 215. Slot; 216. Current limiting plate; 217. Rack 1; 218. Rack 2; 219. Gear; 220. Traction rope; 221. Winding roller; 222. Crank; 223. Reinforcement foot; 3. Steel corrugated pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-5 As shown, a steel corrugated pipe culvert end wall protection structure includes a concrete end wall 1, a protection structure 2 is arranged on the front of the concrete end wall 1, and a steel corrugated pipe 3 is arranged in the middle of the protection structure 2; and further includes: wherein the protection structure 2 includes a mounting plate 201, a circular hollow is opened in the middle of the mounting plate 201, and slots 215 are symmetrically opened on the surface of the mounting plate 201 and located on both sides of the hollow; wherein a connecting frame 205 is movably connected to the outer wall of the mounting plate 201 and located on the inner side of the circular hollow, and a buffer ring 206 is fixedly connected to the inner wall of the connecting frame 205, and the buffer ring 206 is thinner on the side close to the mounting plate 201, and thicker on the side away from the mounting plate 201; wherein plug-ins 207 are symmetrically fixedly connected to the outer wall of the connecting frame 205 on both sides, and the two plug-ins 207 are movably connected to the inside of the slots 215 on different sides, such as Figure 5 As shown, the buffer ring 206 is made of rubber, and the inner wall thickness of the buffer ring 206 is uneven, so that the buffer ring 206 can be gradually inserted into the gap between the steel corrugated pipe 3 and the concrete end wall 1;

[0029] One end of the plug-in 207 located outside the slot 215 is rotatably connected to an adjusting rod 208, one end of the adjusting rod 208 penetrates into the plug-in 207 and is fixedly connected to a screw 209, the other end of the screw 209 is rotatably connected to the inner wall of the plug-in 207, and extrusion grooves 210 are symmetrically provided on both sides of the middle of the surface of the plug-in 207, and the outer wall of the screw 209 is threadedly sleeved with a threaded sleeve 211, and the outer wall of the threaded sleeve 211 and the two extrusion grooves 210 are fixedly connected to a limiting sleeve 212, the outer wall of the limiting sleeve 212 is slidably connected to the inner side of the extrusion groove 210, the inner walls of the two limiting sleeves 212 are fixedly connected to a spring 213, and the other end of the spring 213 is fixedly connected to an extrusion block 214, and the end of the extrusion block 214 penetrates the extrusion groove 210 and is movably connected to the inner side of the slot 215, such as Figure 4 As shown, the extrusion block 214 moves to the left side to press against the inside of the extrusion groove 210. When the extrusion block 214 continues to move, it receives vertical pressure and shrinks into the limiting sleeve 212.

[0030] The surface of the mounting plate 201 and the upper and lower sides of the circular hollow are fixedly connected to the limiting rails 204, and the limiting rails 204 on both sides are slidably connected to the limiting plates 216, and the two limiting plates 216 are symmetrically arranged on both sides of the surface of the mounting plate 201. A rack 1 217 is fixedly connected to one side of the upper limiting plate 216, and a rack 218 is fixedly connected to one side of the lower limiting plate 216. The length direction of the rack 1 217 is consistent with the length direction of the rack 218. The mounting plate 201 A gear 219 is rotatably connected to the surface and is located between rack 1 217 and rack 218. One side of the outer wall of the gear 219 is meshed with rack 1 217, and the other side of the outer wall of the gear 219 is meshed with rack 218. A winding roller 221 is rotatably connected to the upper end of the surface of the mounting plate 201, and a crank 222 is fixedly connected to one end of the side of the winding roller 221. A traction rope 220 is wound around the middle of the winding roller 221, and the bottom end of the traction rope 220 is fixedly connected to the lower limiting plate 216. Figure 1-Figure 2 As shown, the upper and lower limiting plates 216 move in opposite directions through the transmission of the rack 1 217 and the rack 218 in conjunction with the gear 219;

[0031] The upper and lower sides of the mounting plate 201 are provided with mounting holes 202, and the surface of the mounting plate 201 and near the lower side mounting holes 202 are movably connected with reinforcing feet 223, the inner walls of the mounting holes 202 on both sides are penetrated with bolts 203, and the middle of the bolts 203 located below are penetrated and connected with the reinforcing feet 223, the middle of the outer wall of the concrete end wall 1 is in movable contact with the mounting plate 201, the surface of the concrete end wall 1 is penetrated and connected with the bolts 203, the inner side of the buffer ring 206 is movably connected with the steel corrugated pipe 3, and the steel corrugated pipe 3 is penetrated and connected with the inner wall of the concrete end wall 1 as a whole, such as Figure 1 , Figure 3 As shown, the reinforcing foot 223 connects the ground and the mounting plate 201 to prevent the mounting plate 201 from being displaced.

[0032] The working principle of this utility model:

[0033] The mounting plate 201 is placed outside the hole of the concrete end wall 1 for passing the steel corrugated pipe 3, and the bolt 203 is inserted into the mounting hole 202 to connect the concrete end wall 1. The reinforcing foot 223 can be installed at the mounting hole 202 below the mounting plate 201. The bottom of the reinforcing foot 223 is connected to the ground through the bolt 203, thereby improving the stability of the protective structure. After the mounting plate 201 is fixed, the steel corrugated pipe 3 is passed through and fixed on the inner side of the connecting frame 205, and the buffer ring 206 buffers and protects the side of the steel corrugated pipe 3;

[0034] Secondly, when the buffer ring 206 is aged and needs to be replaced, the adjusting rod 208 is rotated to drive the screw 209 to rotate, so that the threaded sleeve 209 moves along the length direction of the screw 209, and the extrusion block 214 abuts against the inner side of the extrusion groove 210, and then the extrusion block 214 compresses the spring 213 and shrinks into the inside of the limiting sleeve 212, and at this time, the plug-in 207 is not hindered from separating from the slot 215;

[0035] When the flow at the end of the steel bellows 3 needs to be adjusted, the crank 222 is turned to drive the winding roller 221 to rotate, and the lower flow limiting plate 216 is driven to rise and fall by retracting and releasing the traction rope 220, and the upper flow limiting plate 216 is driven to move in the opposite direction through the transmission of rack 1 217 and rack 218 in conjunction with gear 219, thereby changing the output area of ​​the steel bellows 3.

[0036] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A steel corrugated pipe culvert end wall protection structure, comprising a concrete end wall (1), a protection structure (2) being arranged on the front of the concrete end wall (1), and a steel corrugated pipe (3) being arranged in the middle of the protection structure (2); It is characterized in that Also includes: The protective structure (2) comprises a mounting plate (201), a circular hollow is provided in the middle of the mounting plate (201), and slots (215) are symmetrically provided on the surface of the mounting plate (201) and on both sides of the hollow; The outer wall of the mounting plate (201) is movably connected to a connection frame (205) located inside the circular hollow, and the inner wall of the connection frame (205) is fixedly connected to a buffer ring (206), the buffer ring (206) is thinner on a side close to the mounting plate (201), and thicker on a side far from the mounting plate (201); Wherein, plug-ins (207) are symmetrically fixedly connected to both sides of the outer wall of the connection frame (205), and the two plug-ins (207) are movably connected to the inside of different side slots (215) respectively.

2. A steel corrugated pipe culvert end wall protection structure according to claim 1, characterized in that: One end of the plug-in (207) located outside the slot (215) is rotatably connected to an adjusting rod (208), one end of the adjusting rod (208) penetrates into the plug-in (207) and is fixedly connected to a screw rod (209), the other end of the screw rod (209) is rotatably connected to the inner wall of the plug-in (207), and extrusion grooves (210) are symmetrically opened on both sides of the middle of the surface of the plug-in (207).

3. A steel corrugated pipe culvert end wall protection structure according to claim 2, characterized in that: The outer wall thread sleeve of the screw rod (209) is provided with a thread sleeve (211), and the outer wall of the thread sleeve (211) and the position close to the two extrusion grooves (210) are fixedly connected to a limiting sleeve (212), the outer wall of the limiting sleeve (212) is slidably connected to the inner side of the extrusion groove (210), the inner walls of the two limiting sleeves (212) are fixedly connected to a spring (213), the other end of the spring (213) is fixedly connected to an extrusion block (214), and the end of the extrusion block (214) passes through the extrusion groove (210) and is movably connected to the inner side of the slot (215).

4. The steel corrugated pipe culvert end wall protection structure according to claim 1 is characterized in that: The surface of the mounting plate (201) and the upper and lower sides of the circular hollow are fixedly connected to the limiting rails (204), and the limiting rails (204) on both sides are slidably connected to the limiting plates (216), and the two limiting plates (216) are symmetrically arranged on both sides of the surface of the mounting plate (201), one side of the limiting plate (216) located at the upper side is fixedly connected to the rack one (217), and one side of the limiting plate (216) located at the lower side is fixedly connected to the rack two (218), and the length direction of the rack one (217) is consistent with the length direction of the rack two (218).

5. The steel corrugated pipe culvert end wall protection structure according to claim 1 is characterized in that: A gear (219) is rotatably connected on the surface of the mounting plate (201) and is located between rack one (217) and rack two (218); one side of the outer wall of the gear (219) is meshed with rack one (217); the other side of the outer wall of the gear (219) is meshed with rack two (218); a winding roller (221) is rotatably connected to the upper end of the surface of the mounting plate (201); a crank (222) is fixedly connected to one end of the side of the winding roller (221); a traction rope (220) is wound around the middle of the winding roller (221); and the bottom end of the traction rope (220) is fixedly connected to the lower limiting plate (216).

6. The steel corrugated pipe culvert end wall protection structure according to claim 1, characterized in that: The upper side and the lower side of the mounting plate (201) are both provided with mounting holes (202); a reinforcing foot (223) is movably connected to the surface of the mounting plate (201) near the mounting hole (202) on the lower side; the inner walls of the mounting holes (202) on both sides are penetrated by bolts (203), and the middle of the bolts (203) at the bottom is penetrated and connected to the reinforcing foot (223).

7. The steel corrugated pipe culvert end wall protection structure according to claim 1, characterized in that: The middle part of the outer wall of the concrete end wall (1) is in active contact with the mounting plate (201), the surface of the concrete end wall (1) is connected through bolts (203), the inner side of the buffer ring (206) is connected through steel bellows (3), and the steel bellows (3) is connected through the inner wall of the concrete end wall (1).