Drainage blind ditch suitable for red sandstone fill roadbed

Abstract

The utility model discloses a drainage blind ditch suitable for a red sandstone fill roadbed. The drainage blind ditch comprises a first drainage pipe, the collapse prevention device is used for preventing a drainage pipeline of the roadbed from collapsing, and the collapse prevention device is fixedly connected to the outer side of the first drainage pipe; the buffering device is used for buffering the roadbed drainage pipeline. The utility model relates to the technical field of drainage. The device is provided with a buffer device, flowing water firstly impacts an inner cavity of a first drainage pipe, a second drainage pipe drives a supporting ring to slide, the supporting ring drives a T-shaped plate to slide in the length direction of a sliding groove, the T-shaped plate drives a telescopic rod to stretch out and draw back, the T-shaped plate extrudes a compression spring, and an extension spring extends along with movement of the second drainage pipe; according to the drainage blind ditch, the impact force of flowing water on the inner wall of the drainage blind ditch can be effectively reduced, the blind ditch is protected, stable use of the drainage blind ditch is guaranteed, the drainage effect of the drainage blind ditch is improved, and the drainage purpose is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage, in particular to a drainage blind ditch suitable for a red sandstone filled roadbed. Background Art

[0002] The road subgrade is a strip structure built according to the road plane position, design elevation and certain technical requirements. The roadbed is the foundation for supporting the road surface, bearing the deadweight of the road surface and the traffic load transmitted through the road surface, and bearing the effects of natural factors such as temperature and humidity changes throughout the year. The roadbed should be dense and stable, without any unacceptable deformation. A blind ditch refers to a drainage and interception ditch filled with coarse-grained materials such as crushed and gravel and paved with a filter layer in the roadbed or foundation. A blind ditch, also called a culvert, is an underground drainage channel used to remove groundwater and lower the groundwater level.

[0003] However, in the prior art, during the use of the traditional drainage blind ditch of the red sandstone fill roadbed, the turbulent water continuously impacts the inner wall of the blind ditch when the blind ditch is used for a long time, so that the inner wall of the drainage blind ditch is damaged, resulting in damage to the drainage blind ditch, affecting the use of the drainage blind ditch and reducing the drainage effect of the drainage blind ditch. Utility Model Content

[0004] In view of the deficiencies of the prior art, the technical solution adopted by the utility model to solve the technical problems is: a drainage blind ditch suitable for red sandstone fill roadbed, comprising: a mounting plate, the mounting plate is used for pipe installation of the roadbed drainage blind ditch; a first drainage pipe, the first drainage pipe is used for drainage of the roadbed blind ditch, both ends of the first drainage pipe are fixedly connected with receiving rings, and are symmetrically arranged along the central axis of the first drainage pipe; the drainage blind ditch also includes: an anti-collapse device, the anti-collapse device is used to prevent the drainage pipe of the roadbed from collapsing, the anti-collapse device is fixedly connected to the outside of the first drainage pipe; a buffer device, the buffer device is used to buffer the roadbed drainage pipe, the buffer device is located inside the first drainage pipe; The buffer device includes a second drain pipe, the first drain pipe is slidably connected to a T-shaped plate through a slide groove, and the slide groove is opened in the wall of the first drain pipe, the outer side of the T-shaped plate is fixedly connected to a telescopic rod, the inner cavity of the slide groove is fixedly connected to a compression spring, the end of the telescopic rod away from the T-shaped plate is fixedly connected to the inner cavity of the slide groove, and the outer side of the second drain pipe is slidably connected to filter cotton. When the drainage blind ditch is draining, the external pipeline is connected to the first drain pipe through the receiving ring, and the water flows into the interior of the first drain pipe. The flowing water first impacts the inner cavity of the first drain pipe, and the second drain pipe drives the support ring to slide, and the support ring drives the T-shaped plate to slide along the length of the slide groove, and the T-shaped plate drives the telescopic rod to extend and retract.

[0005] Preferably, a support ring is fixedly connected to the outer side of the T-plate, a seepage hole is opened in the wall of the second drain pipe, the inner wall of the support ring is slidably connected to the outer wall of the filter cotton, the inner wall of the support ring is fixedly connected to a tension spring, the inner wall of the support ring is fixedly connected to a bellows, and the tension spring is located inside the bellows, one end of the tension spring close to the filter cotton is fixedly connected to the outer side of the second drain pipe, the T-plate on the buffer device squeezes the compression spring, and water flows into the filter cotton through the seepage hole for filtration, the moving second drain pipe drives the bellows on the support ring to stretch, and the tension spring will extend as the second drain pipe moves, and an impermeable geotextile is provided on the inner wall of the outer shell to protect the pipeline.

[0006] Preferably, the anti-collapse device includes an arc-shaped rubber plate, the inner wall of the arc-shaped rubber plate is fixedly connected to the outer wall of the first drain pipe, the outer side of the arc-shaped rubber plate is slidably connected to an outer shell, and the first drain pipe is located inside the outer shell. The anti-collapse device can reduce the occurrence of road collapse or depression in the drainage blind ditch. When the drainage blind ditch is rolled over on an uneven ground, one end of the mounting plate will fall first, so that the mounting plate drives the piston cylinder on the falling side to move downward, and the piston cylinder drives the piston rod in its inner cavity to slide downward.

[0007] Preferably, the top of the shell is fixedly connected to the outside of the mounting plate, the end of the arc-shaped rubber plate close to the mounting plate is fixedly connected with a piston rod, the outer wall of the piston rod is slidably connected with a piston cylinder, the top of the piston cylinder is fixedly connected to the bottom of the mounting plate, the piston rod in the anti-collapse device pushes one side of the arc-shaped rubber plate to fall, so that the other side of the arc-shaped rubber plate rises, the arc-shaped rubber plate on the rising side drives the piston rod at its top to slide in the inner cavity of the piston cylinder on the other side, and the piston rod is supported by the arc-shaped rubber plate, so that the piston rods on both sides of the mounting plate can slide in the inner cavity of the piston cylinder, thereby further increasing the stability of the mounting plate.

[0008] The beneficial effects of the utility model are as follows:

[0009] 1. The utility model provides a buffer device, and the flowing water first impacts the inner cavity of the first drain pipe, and the second drain pipe drives the support ring to slide, and the support ring drives the T-plate to slide along the length direction of the slide groove, and the T-plate drives the telescopic rod to extend and retract, and the T-plate squeezes the compression spring, and the moving second drain pipe drives the bellows on the support ring to stretch, and the stretching spring will stretch with the movement of the second drain pipe, which can effectively reduce the impact force of the flowing water on the inner wall of the drainage blind ditch, protect the blind ditch, ensure the stable use of the drainage blind ditch, and improve the drainage effect of the drainage blind ditch.

[0010] 2. The utility model is provided with an anti-collapse device. When the drainage blind ditch is rolled on an uneven ground, one end of the mounting plate will fall first, and the piston rod will push one side of the arc-shaped rubber plate to fall, so that the other side of the arc-shaped rubber plate will rise. The arc-shaped rubber plate on the rising side drives the piston rod on its top to slide in the inner cavity of the piston cylinder on the other side. The piston rod is supported by the arc-shaped rubber plate, so that the piston rods on both sides of the mounting plate can slide in the inner cavity of the piston cylinder, effectively reducing the collapse and depression caused by the blind ditch. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the utility model;

[0012] Figure 2 It is a cross-sectional view of the utility model;

[0013] Figure 3 It is a schematic diagram of the structure of the second drainage pipe and its exterior of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the first drainage pipe of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the buffer device of the utility model;

[0016] Figure 6 It is a structural schematic diagram of the support ring and its exterior of the utility model.

[0017] In the figure: 1. mounting plate; 2. anti-collapse device; 3. first drain pipe; 31. receiving ring; 4. buffer device; 5. second drain pipe; 6. seepage hole; 7. filter cotton; 8. tension spring; 81. bellows; 9. support ring; 91. T-plate; 10. telescopic rod; 11. compression spring; 12. slide groove; 13. arc rubber plate; 14. piston rod; 15. piston cylinder; 16. outer shell. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0019] Example:

[0020] See also Figure 1 - Figure 6The utility model provides a technical solution: a drainage blind ditch suitable for red sandstone fill roadbed, comprising: a mounting plate 1, the mounting plate 1 is used for pipe installation of the roadbed drainage blind ditch; a first drainage pipe 3, the first drainage pipe 3 is used for drainage of the roadbed blind ditch, and both ends of the first drainage pipe 3 are fixedly connected with receiving rings 31, and are symmetrically arranged along the central axis of the first drainage pipe 3; the drainage blind ditch also includes: an anti-collapse device 2, the anti-collapse device 2 is used to prevent the drainage pipe of the roadbed from collapsing, and the anti-collapse device 2 is fixedly connected to the outside of the first drainage pipe 3; a buffer device 4, the buffer device 4 is used to buffer the roadbed drainage pipe, and the buffer device 4 is located inside the first drain pipe 3; the buffer device 4 includes a second drain pipe 5, the first drain pipe 3 is slidably connected to a T-plate 91 through a slide groove 12, and the slide groove 12 is opened in the wall of the first drain pipe 3, the outer side of the T-plate 91 is fixedly connected to a telescopic rod 10, the inner cavity of the slide groove 12 is fixedly connected to a compression spring 11, the end of the telescopic rod 10 away from the T-plate 91 is fixedly connected to the inner cavity of the slide groove 12, the outer side of the second drain pipe 5 is slidably connected to a filter cotton 7, the outer side of the T-plate 91 is fixedly connected to a support ring 9, a seepage hole 6 is opened in the wall of the second drain pipe 5, and the inner wall of the support ring 9 is slidably connected to the outer wall of the filter cotton 7.

[0021] A tension spring 8 is fixedly connected to the inner wall of the support ring 9, a bellows 81 is fixedly connected to the inner wall of the support ring 9, and the tension spring 8 is located inside the bellows 81, and one end of the tension spring 8 close to the filter cotton 7 is fixedly connected to the outer side of the second drain pipe 5, the anti-collapse device 2 includes an arc-shaped rubber plate 13, the inner wall of the arc-shaped rubber plate 13 is fixedly connected to the outer wall of the first drain pipe 3, the outer side of the arc-shaped rubber plate 13 is slidably connected to an outer shell 16, and the first drain pipe 3 is located inside the outer shell 16, the top of the outer shell 16 is fixedly connected to the outer side of the mounting plate 1, the end of the arc-shaped rubber plate 13 close to the mounting plate 1 is fixedly connected to a piston rod 14, the outer wall of the piston rod 14 is slidably connected to a piston cylinder 15, and the top of the piston cylinder 15 is fixedly connected to the bottom of the mounting plate 1.

[0022] Working principle:

[0023] When in use, the anti-collapse device 2 can reduce the situation where the drainage blind ditch collapses or sinks. When the drainage blind ditch is rolled on an uneven ground, one end of the mounting plate 1 will fall first, so that the mounting plate 1 drives the piston cylinder 15 on the falling side to move downward, and the piston cylinder 15 drives the piston rod 14 in its inner cavity to slide downward. The piston rod 14 in the anti-collapse device 2 pushes one side of the arc-shaped rubber plate 13 to fall, so that the other side of the arc-shaped rubber plate 13 rises, and the arc-shaped rubber plate 13 on the rising side drives the piston rod 14 at the top to slide in the inner cavity of the piston cylinder 15 on the other side. The piston rod 14 is supported by the arc-shaped rubber plate 13, so that the piston rods 14 on both sides of the mounting plate 1 can slide in the inner cavity of the piston cylinder 15, further increasing the stability of the mounting plate 1.

[0024] When the drainage blind ditch is draining, the external pipe is connected to the first drainage pipe 3 through the receiving ring 31, and the water flows into the interior of the first drainage pipe 3. The flowing water first impacts the inner cavity of the first drainage pipe 3, and the second drainage pipe 5 drives the support ring 9 to slide. The support ring 9 drives the T-plate 91 to slide along the length direction of the slide groove 12, and the T-plate 91 drives the telescopic rod 10 to extend and retract. The T-plate 91 on the buffer device 4 squeezes the compression spring 11, and the water flows into the filter cotton 7 through the seepage hole 6 for filtration. The moving second drainage pipe 5 drives the corrugated pipe 81 on the support ring 9 to stretch, and the stretching spring 8 will stretch as the second drainage pipe 5 moves, and the pipeline is protected by an anti-seepage geotextile provided on the inner wall of the outer shell 16.

[0025] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A drainage blind ditch suitable for red sandstone fill roadbed, comprising: A mounting plate (1), the mounting plate (1) being used for installing a pipe in a roadbed drainage blind ditch; A first drainage pipe (3), the first drainage pipe (3) being used for drainage of a roadbed blind ditch, and receiving rings (31) being fixedly connected at both ends of the first drainage pipe (3) and symmetrically arranged along the central axis of the first drainage pipe (3); It is characterized in that The drainage blind ditch also includes: An anti-collapse device (2), the anti-collapse device (2) being used to prevent the drainage pipe of the roadbed from collapsing, the anti-collapse device (2) being fixedly connected to the outside of the first drainage pipe (3); A buffer device (4), the buffer device (4) is used to buffer the roadbed drainage pipe, and the buffer device (4) is located inside the first drainage pipe (3); The buffer device (4) comprises a second drain pipe (5), the first drain pipe (3) is slidably connected to a T-shaped plate (91) via a slide groove (12), and the slide groove (12) is provided in the wall of the first drain pipe (3), a telescopic rod (10) is fixedly connected to the outer side of the T-shaped plate (91), a compression spring (11) is fixedly connected to the inner cavity of the slide groove (12), an end of the telescopic rod (10) away from the T-shaped plate (91) is fixedly connected to the inner cavity of the slide groove (12), and a filter cotton (7) is slidably connected to the outer side of the second drain pipe (5).

2. The blind drainage ditch suitable for red sandstone fill roadbed according to claim 1, characterized in that: A support ring (9) is fixedly connected to the outer side of the T-shaped plate (91), a water seepage hole (6) is opened in the wall of the second drainage pipe (5), and the inner wall of the support ring (9) is slidably connected to the outer wall of the filter cotton (7).

3. The blind drainage ditch suitable for red sandstone fill roadbed according to claim 2 is characterized by: The inner wall of the support ring (9) is fixedly connected to a tension spring (8), the inner wall of the support ring (9) is fixedly connected to a bellows (81), and the tension spring (8) is located inside the bellows (81), and one end of the tension spring (8) close to the filter cotton (7) is fixedly connected to the outer side of the second drain pipe (5).

4. A blind drainage ditch suitable for red sandstone fill roadbed according to claim 1, characterized in that: The anti-collapse device (2) comprises an arc-shaped rubber plate (13), the inner wall of the arc-shaped rubber plate (13) is fixedly connected to the outer wall of the first drainage pipe (3), the outer side of the arc-shaped rubber plate (13) is slidably connected to an outer shell (16), and the first drainage pipe (3) is located inside the outer shell (16).

5. A blind drainage ditch suitable for red sandstone fill roadbed according to claim 4, characterized in that: The top of the housing (16) is fixedly connected to the outside of the mounting plate (1); the end of the arc-shaped rubber plate (13) close to the mounting plate (1) is fixedly connected to a piston rod (14); the outer wall of the piston rod (14) is slidably connected to a piston cylinder (15); and the top of the piston cylinder (15) is fixedly connected to the bottom of the mounting plate (1).

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