Steel corrugated pipe fixed connection structure

Abstract

The utility model discloses a steel corrugated pipe fixed connection structure which mainly comprises an outer sleeve, an inner sleeve, a plurality of bearing lantern rings and a bearing piece, the plurality of bearing lantern rings are respectively arranged at one end of the inner sleeve and one end of the outer sleeve, the bearing piece is arranged between the bearing lantern rings arranged at the two ends of the same inner sleeve or the outer sleeve, and the bearing lantern rings are connected with the bearing piece. And therefore, the compression resistance, impact resistance and shock resistance of the steel corrugated pipe are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bellows, in particular to a fixed connection structure of steel bellows. Background Art

[0002] In my country, with the development of science and technology, in road projects, lunar projects, municipal drainage projects and other projects, steel corrugated pipes are often used to build water culverts because of their short manufacturing cycle and low manufacturing cost, strong adaptability to the environment, and weak pollution to the environment.

[0003] In the prior art, when constructing a water culvert, in order to facilitate the transportation of steel bellows, the steel bellows are usually split into multiple steel corrugated plates and transported to the site. The plates are then spliced and assembled on site using bolts, nuts and other connectors. The steel corrugated plates are spliced longitudinally and transversely, and then spliced circumferentially at the pipe openings of the two steel bellows. The plates are finally buried in the culvert and backfilled into the culvert. As a result, the compressive and impact resistance of the steel corrugated plate joints are relatively weak. When the pressure of sand, concrete, or soil, or the impact of water flow inside the pipe, or the vibration of a passing vehicle is too great, the joints are easily damaged.

[0004] Therefore, there is an urgent need for a fixed connection structure for a steel bellows, which can stabilize the structure of the steel bellows and provide it with stronger resistance to pressure, impact and vibration. Utility Model Content

[0005] The purpose of the utility model is to provide a steel bellows fixed connection structure to solve the technical problem that the steel bellows have low compression resistance, impact resistance and earthquake resistance.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A steel corrugated pipe fixed connection structure includes a wavy outer sleeve and an inner sleeve, wherein the crests and troughs of the outer sleeve and the inner sleeve are adapted to each other, and one end of the inner sleeve is arranged in the outer sleeve, characterized in that it also includes:

[0008] A plurality of bearing collars are respectively sleeved on one end of the inner sleeve and the outer sleeve, and two bearing collars close to each other are connected to each other, and the bearing collars are provided with crests and troughs adapted to the inner sleeve and the outer sleeve; and

[0009] The bearing member is arranged between two adjacent bearing rings that are not connected to each other.

[0010] Among them, the load-bearing ring arranged at the connection between the inner casing and the outer casing provides protection for the inner casing and the outer casing, thereby improving the impact resistance, pressure resistance and seismic resistance of the inner casing and the outer casing. At the same time, a load-bearing part is provided between the two load-bearing rings arranged on the same inner casing or outer casing, thereby making the overall connection of the steel corrugated pipe more stable and improving the impact resistance, pressure resistance and seismic resistance of the steel corrugated pipe.

[0011] Furthermore, in order to make the bearing ring more resistant to pressure, impact and vibration, a buffer cavity is provided inside the bearing ring, and the buffer cavity is filled with a buffering material, so that the bearing ring can reduce or delay the effect of the external force through the action of the buffer cavity under external force.

[0012] In a relatively complete solution, a stabilizing corrugated plate is provided between the load-bearing collar and the inner and outer sleeves, and the stabilizing corrugated plate is adapted to the outer sleeve, the inner sleeve and the load-bearing collar.

[0013] Furthermore, the outer sleeve and the inner sleeve are both formed by splicing a plurality of steel corrugated plates, and a stabilizing corrugated plate is provided on the outer wall of the connection between the spliced steel corrugated plates.

[0014] In order to expand the application range of the bearing member, the bearing member is provided with an elastic member for adjusting the length of the bearing member, so that the length of the bearing member can be adjusted according to the inner sleeve or the outer sleeve, thereby expanding the application range of the bearing member.

[0015] Furthermore, there are multiple bearing members, and the multiple bearing members are sequentially spaced apart along the circumference of the inner sleeve and the outer sleeve.

[0016] In some embodiments, the bearing collar is provided with a fixing member, one end of which is connected to the ground at the bottom of the outer sleeve and the inner sleeve.

[0017] In a more complete solution, the load-bearing member is provided with a force measuring member for measuring the forces acting on both ends of the load-bearing member.

[0018] In some embodiments, a stabilizing corrugated plate is provided at the connection between the outer sleeve and the inner sleeve.

[0019] In some embodiments, the carrier has a plurality of sub-connecting members, and the sub-connecting members are connected in pairs and are detachable from each other.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] In the utility model, a load-bearing collar is provided at the connection between the inner sleeve and the outer sleeve to provide protection for the inner sleeve and the outer sleeve, thereby improving the impact resistance, pressure resistance and seismic resistance of the inner sleeve and the outer sleeve. At the same time, a load-bearing member is provided between the two load-bearing collars provided on the same inner sleeve or outer sleeve. While bearing part of the load, the load-bearing member makes the overall connection of the steel corrugated pipe more stable, thereby improving the impact resistance, pressure resistance and seismic resistance of the steel corrugated pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a schematic cross-sectional view of a steel bellows fixed connection structure according to an embodiment of the present application;

[0024] Figure 2 This is a schematic diagram of the fixed connection structure of the steel bellows according to an embodiment of the present application;

[0025] Figure 3 This is a schematic diagram of a sub-ring of a steel bellows fixed connection structure according to an embodiment of the present application;

[0026] Figure 4 This is a side view of a sub-ring of the steel bellows fixed connection structure according to an embodiment of the present application;

[0027] Figure 5 This is an enlarged schematic diagram of the mark A of the steel bellows fixed connection structure according to an embodiment of the present application;

[0028] Figure 6 This is an enlarged schematic diagram of the mark B of the steel bellows fixed connection structure of the embodiment of the present application;

[0029] Reference numerals:

[0030] 100-outer sleeve,

[0031] 200-inner casing,

[0032] 300-bearing collar, 310-buffer cavity, 320-fixing piece, 330-sub collar, 340-connecting block,

[0033] 400-bearing member, 410-elastic member, 411-sleeve, 412-adaptive spring, 413-bearing plate, 414-connecting plate, 415-sub-bearing plate, 420-force measuring member, 421-pressure sensor, 422-display, 430-sub-connecting member, 440-controller, 441-control switch, 442-telescopic rod, 450-protective cover,

[0034] 500-Stable corrugated sheet,

[0035] 600-Steel corrugated sheet. DETAILED DESCRIPTION

[0036] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts shall fall within the scope of protection of the present invention.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0038] In the description of the present invention, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In addition, the terms "first", "second", "third", etc., if used, are merely used to distinguish and describe, and should not be understood as indicating or implying relative importance.

[0040] Furthermore, the use of terms such as "horizontal," "vertical," and "overhanging" does not necessarily imply that the component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0041] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0042] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention can be combined with each other.

[0043] It should be understood that in the prior art, when constructing water culverts, steel corrugated pipes formed by splicing steel corrugated plates 600 are usually used. Since it is necessary to process materials such as sand and gravel and the wall thickness of the steel corrugated plates 600 is relatively low, when filling with materials such as sand and gravel, the connection ends between the steel corrugated plates 600 are often subjected to large pressure, instantaneous or continuous impact and other forces, resulting in cracks, collapse and deformation at the connection points, which in turn requires re-construction, consuming time and resources. At the same time, after the construction is completed, the connection points between the steel corrugated plates 600 may be damaged due to vibrations caused by the passage of vehicles or other means.

[0044] In order to solve the above problems, this embodiment provides a steel corrugated pipe fixed connection structure, so that after the steel corrugated plate 600 is assembled or assembled into a steel corrugated pipe and put into use, the connection between the steel corrugated pipes is stable and has strong pressure resistance, impact resistance and earthquake resistance.

[0045] A steel corrugated pipe fixed connection structure provided in this embodiment includes a wave-shaped outer sleeve 100, an inner sleeve 200, a plurality of load-bearing rings 300 and a load-bearing member 400, wherein the wavelengths of the crests and troughs of the outer sleeve 100 and the inner sleeve 200 are consistent and adapted. When the water outlet end of the inner sleeve 200 is arranged on the outer sleeve 100, the water flow will not be hindered by the connection, and at the same time, the crests and troughs on the inner sleeve 200 coincide with the troughs and crests on the outer sleeve 100.

[0046] Furthermore, a stabilizing corrugated plate 500 is provided between the connection of the outer sleeve 100 and the inner sleeve 200, wherein the stabilizing corrugated plate 500 can be made of rubber sealing gaskets, polyurethane seals, metal sealing rings, nitrile rubber, fluororubber, etc. In this embodiment, the stabilizing corrugation adopts a rubber sealing gasket, which has strong high temperature resistance, low temperature resistance, oxidation resistance and corrosion resistance, thereby making the connection between the inner sleeve 200 and the outer sleeve 100 sealed. At the same time, the rubber sealing gasket can increase the friction between the inner sleeve 200 and the outer sleeve 100, thereby making the connection stable. At the same time, due to the flexible nature of the rubber, it is not easy to damage the inner sleeve 200 and the outer sleeve 100.

[0047] Specifically, the inner sleeve 200 and the outer sleeve 100 and the steel corrugated plate 600 can be connected by bolt connection, welding or flange connection. In this embodiment, the inner sleeve 200 and the outer sleeve 100 and the steel corrugated plate 600 are all connected by bolts, wherein the sealing between the inner sleeve 200 and the outer sleeve 100 is provided with a connection hole for the bolt to pass through.

[0048] The bearing ring 300 may adopt a polygonal structure such as a rectangle or a cylinder. In this embodiment, the bearing ring 300 adopts a cylindrical structure, which makes the bearing ring 300 have stronger pressure resistance, impact resistance and earthquake resistance.

[0049] As shown in the figure, the bearing collar 300 has two sub-rings 330, which are connected by bolts to form the bearing collar 300 and the two sub-rings 330 surround the inner sleeve 200 or the outer sleeve 100. Specifically, the outer walls of the two sub-rings 330 are provided with a connecting block 340, and the bolts connect the two sub-rings 330 through the connecting block 340. The center of the bearing collar 300 has a circular hole for the steel bellows to pass through. When the bearing collar 300 is sleeved on the inner collar and the outer collar, The inner sleeve 200 and the outer sleeve 100 are passed through the circular hole in the center of the load-bearing ring 300, wherein the inner sleeve 200 and the outer sleeve 100 are connected to the load-bearing ring 300 by bolts. Specifically, the inner sleeve 200 and the load-bearing ring 300 and the outer sleeve 100 and the load-bearing ring 300 are provided with corresponding connecting holes. When the inner sleeve 200 and the outer sleeve 100 are connected to the load-bearing ring 300, the bolts pass through the load-bearing ring 300, the inner sleeve 200 and the outer sleeve 100.

[0050] In this embodiment, the two bearing collars 300 at the connection between the inner sleeve 200 and the outer sleeve 100 are connected by bolts, wherein a plurality of bolt holes are arranged in sequence along the circumferential direction on the opposite sides of the two bearing collars 300. When the two bearing collars 300 are connected, the bolts pass through the bolt holes on the two bearing collars 300. The two bearing collars 300 can also be filled with sealing material or provided with a rubber sealing gasket to stabilize the connection between the two bearing collars 300 and enhance the sealing ability of the two bearing collars 300.

[0051] The load-bearing ring 300 is provided with peaks and troughs adapted to the inner sleeve 200 and the outer sleeve 100. Specifically, when the load-bearing ring 300 is connected to the inner sleeve 200 or the outer sleeve 100, the side of the central circular hole of the load-bearing ring 300 facing the inner sleeve 200 and the outer sleeve 100 is provided with peaks and troughs.

[0052] At the same time, a stabilizing corrugated plate 500 is provided between the load-bearing ring 300 and the inner sleeve 200 and the outer sleeve 100, and they are connected by bolts, wherein the stabilizing corrugated plate 500 can be made of metal or rubber. In this embodiment, the material of the stabilizing corrugated plate 500 is rubber. Specifically, under the action of the load-bearing ring 300, the inner sleeve 200 and the outer sleeve 100, the stabilizing corrugated plate 500 fits with the peaks and troughs on the load-bearing ring 300, the inner sleeve 200 and the outer sleeve 100, so that the connection between the load-bearing ring 300, the inner ring and the outer sleeve 100 is stable and the sealing ability is enhanced. wherein, the outer sleeve 100, the stabilizing corrugated plate 500 and the inner sleeve 200 are connected by bolts.

[0053] In this embodiment, the two ends of the bearing member 400 are respectively connected to the bearing rings 300 at both ends of the inner sleeve 200 or the outer sleeve 100. Specifically, the bearing member 400 is arranged along the axial direction of the inner sleeve 200 or the outer sleeve 100 and the two ends are detachably connected to the bearing sleeve.

[0054] Among them, the number of bearing rings 300 is multiple, and multiple bearing members 400 are arranged in sequence along the circumference of the inner sleeve 200 or the outer sleeve 100. Among them, the bearing members 400 can be multi-deformable bodies such as cylinders and rectangles. In this embodiment, the bearing member 400 is a cylinder. When the bearing member 400 connects the two bearing rings 300, the force-bearing area is small, and multiple bearing members 400 are connected between the two bearing rings 300 at the same time, thereby absorbing the pressure of the inner sleeve 200 or the outer sleeve 100 respectively, and making the overall structure of the steel corrugated pipe stable, so that it can withstand greater pressure, impact or vibration.

[0055] In some more complete solutions, the load-bearing collar 300 is provided with a buffer cavity 310, wherein the two sub-rings 330 are each provided with half of the buffer cavity 310. When the two sub-rings 330 are connected, a buffer cavity 310 is formed. The buffer cavity 310 can be set to one or more according to the shape of the load-bearing collar 300. Specifically, in this embodiment, the buffer cavity 310 is set around the circular hole in the center of the load-bearing collar 300, and can be filled with buffer material or partially filled with material. Furthermore, the buffer material can be a single material or a mixed material such as rubber, cotton or sand and gravel, thereby making the load-bearing capacity of the load-bearing collar 300 stronger and the resistance to impact or vibration stronger. At the same time, the material used for the load-bearing collar 300 with a buffer cavity 310 and filled therein is stronger than the material quality of the load-bearing collar 300 itself. Therefore, the load-bearing collar 300 is lighter, thereby making the inner sleeve 200 and the outer sleeve 100 able to carry more loads. Since the filling material is easy to obtain, the manufacturing cost of the load-bearing collar 300 is reduced.

[0056] It should be understood that the steel bellows used to construct the water culvert are relatively large in size. At the same time, since multiple steel corrugated plates 600 are spliced together to form the steel bellows, due to differences in manufacturing precision, the steel bellows (i.e., the inner sleeve 200 and the outer sleeve 100 in this embodiment) may have differences in diameter or length after splicing. Therefore, when the supporting member 400 is arranged along the axial direction of the steel bellows, the supporting member 400 may be insufficient or too long due to the length difference of the steel bellows, and the supporting member 400 may need to be replaced, thereby delaying work efficiency and increasing installation costs.

[0057] In order to improve the above problems, the carrier 400 includes multiple sub-connectors 430 and an elastic member 410. Specifically, as shown in the figure, the elastic member 410 is a cylindrical sleeve 411. The elastic member 410 is adapted to the carrier 400 and can be replaced according to the shape of the carrier 400.

[0058] Among them, a bearing plate 413 is provided in the sleeve 411, and adaptive springs 412 are provided on both sides of the bearing plate 413. The adaptive springs 412 on both sides are respectively connected to a sub-connector 430, so that the bearing member 400 can be adaptively adjusted according to the length of the inner sleeve 200 and the outer sleeve 100 within the elastic range of the spring. At the same time, the adaptive spring 412 can also provide a force for the sub-connector 430, so that the sub-connector 430 acts on the bearing ring 300, thereby stabilizing the connection of the mutually connected bearing rings 300.

[0059] Furthermore, a connecting plate 414 is provided between the adaptive spring 412 and the sub-connector 430, and the supporting plate 413 includes two sub-supporting plates 415. The two sub-supporting plates 415 can slide relative to the sleeve 400. The two sides of the connecting plate 414 are respectively connected to the sub-connector 430 and the adaptive spring 412. The sleeve 400 is provided with a controller 440, which can control the sub-connector 430 to move back and forth along the axial direction of the sleeve 411 in the sleeve 411, thereby controlling the overall length of the supporting member 400. The controller 440 can adopt a combination of a telescopic rod 442 and a control switch 441. The telescopic rod 442 is arranged in the two sub-supporting plates 415, and the control switch 441 is arranged in the sleeve 400 and the control switch 441 is embedded in the sleeve 400. Furthermore, a protective cover 450 is provided on the control switch 441 to prevent it from being pressed accidentally.

[0060] Furthermore, multiple sub-connectors 430 are connected by threads, wherein the strength of the threaded connection and the size of the threads can be set according to the situation. In this embodiment, multiple sub-connectors 430 can be disassembled from each other, so that the length of the supporting member 400 can be further adjusted, thereby ensuring that the sub-connectors 430 can be connected to the inner sleeve 200 and the outer sleeve 100 of different sizes and lengths.

[0061] In some embodiments, the elastic member 410 may also be a hydraulic cylinder, an electric cylinder, a telescopic rod, etc.

[0062] In order to ensure that the bearing ring 300 has a stable protective effect on the inner sleeve 200 and the outer sleeve 100 when it is subjected to external forces such as pressure, impact or vibration, in this embodiment, a fixing member 320 is provided at the bottom of the bearing ring 300, wherein the number of the fixing members 320 is multiple, and the multiple fixing members 320 are arranged at intervals at the bottom of the bearing ring 300, and one end of the fixing member 320 is fixedly connected to the bottom of the bearing ring 300, and the other end is connected to the foundation in the water culvert, thereby stabilizing the position of the bearing ring 300, thereby stabilizing the positions of the inner sleeve 200 and the outer sleeve 100, and thus not being easily affected by external forces, thereby preventing the connection balance between the bearing ring 300, the inner sleeve 200 and the outer sleeve 100 and their components from being damaged.

[0063] In some embodiments, a force measuring member 420 is provided on the support member 400. Specifically, the force measuring member 420 includes a pressure sensor 421 and a display 422 electrically connected to each other, wherein the pressure sensor 421 is arranged on the side of the connecting plate facing the support member, and the display 422 is arranged on the outer wall of the sleeve. When the support member 400 is installed, the pressure exerted on the pressure sensor 421 is the force exerted by the support member 400 on the support ring 300. The installer can judge whether the length of the support member 400 needs to be adjusted based on the data displayed on the display 422. For example, when the data on the display 422 is higher or lower than the specified value, it means that the length of the support member 400 may cause the force exerted by the support member 400 on the support ring 300 to be larger or smaller. Therefore, the length of the support member 400 is adjusted by the controller 440, and the length of the support member 400 is further regulated.

[0064] In some embodiments, a stabilizing corrugated plate 500 is provided at the connection between multiple steel corrugated plates 600, thereby stabilizing the connection between the inner sleeve 200 and the outer sleeve 100, wherein the number of peaks and troughs covered by the stabilizing corrugated plate 500 is 3-10, thereby making the manufacturing cost of the stabilizing corrugated plate 500 higher while having a higher stabilizing effect on the bearing collar 300, the inner sleeve 200, the outer sleeve 100 or the steel corrugated plate 600, wherein the stabilizing corrugated plate 500 and the steel corrugated plate 600 are connected by bolts.

Claims

1. A steel corrugated pipe fixed connection structure, comprising a wavy outer sleeve (100) and an inner sleeve (200), wherein the crests and troughs of the outer sleeve (100) and the inner sleeve (200) are adapted to each other, and one end of the inner sleeve (200) is arranged in the outer sleeve (100), characterized in that: Also includes: A plurality of bearing rings (300) are respectively sleeved on one end of the inner sleeve (200) and the outer sleeve (100), and two bearing rings (300) close to each other are connected to each other, and the bearing rings (300) are provided with crests and troughs adapted to the inner sleeve (200) and the outer sleeve (100); and The bearing member (400) is arranged between two adjacent bearing rings (300) that are not connected to each other.

2. The steel bellows fixed connection structure according to claim 1, characterized in that: The bearing collar (300) has a buffer cavity (310) therein, and the buffer cavity (310) is filled with a buffer.

3. The steel bellows fixed connection structure according to claim 1, characterized in that: A stabilizing corrugated plate (500) is provided between the load-bearing collar (300), the inner sleeve (200) and the outer sleeve (100), and the stabilizing corrugated plate (500) is adapted to the outer sleeve (100), the inner sleeve (200) and the load-bearing collar (300).

4. The steel bellows fixed connection structure according to claim 3, characterized in that: The outer sleeve (100) and the inner sleeve (200) are both formed by splicing a plurality of steel corrugated plates (600), and the outer walls of the joints between the spliced steel corrugated plates (600) are provided with stabilizing corrugated plates (500).

5. The steel bellows fixed connection structure according to claim 1, characterized in that: The carrier (400) is provided with an elastic member (410) for adjusting the length of the carrier (400).

6. The steel bellows fixed connection structure according to claim 5, characterized in that: There are multiple bearing members (400), and the multiple bearing members (400) are sequentially spaced along the circumference of the inner sleeve (200) and the outer sleeve (100).

7. The steel bellows fixed connection structure according to claim 1, characterized in that: The bearing collar (300) is provided with a fixing member (320), one end of which is connected to the ground at the bottom of the outer sleeve (100) and the inner sleeve (200).

8. The steel bellows fixed connection structure according to claim 6, characterized in that: The bearing member (400) is provided with a force measuring member (420) for measuring the forces acting on both ends of the bearing member (400).

9. The steel bellows fixed connection structure according to claim 4, characterized in that: A stabilizing corrugated plate (500) is provided at the connection between the outer sleeve (100) and the inner sleeve (200).

10. The steel bellows fixed connection structure according to claim 1, characterized in that: The carrier (400) has a plurality of sub-connecting members (430), and the sub-connecting members (430) are connected in pairs and are detachable from each other.

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