Anti-falling double-layer shaft structure

Abstract

The utility model discloses an anti-falling double-layer shaft structure, which belongs to the technical field of municipal construction and comprises an inspection well, a pressure-bearing cover plate is arranged at the top of the inspection well, a lower-layer well cover and a heightened shaft are mounted on the pressure-bearing cover plate, a pressure-bearing ring is arranged at the top of the heightened shaft, and an upper-layer well cover is mounted on the pressure-bearing ring. The anti-falling double-layer shaft structure is scientific in design, reasonable in structure and convenient to install, and has the advantages of being high in adaptability, firm, stable, good in sealing impermeability, convenient to open, stable in structure, high in safety coefficient, reliable in quality and the like. The anti-falling double-layer shaft structure has obvious effects on reducing pavement settlement and improving road quality, the later maintenance cost is saved, experience is provided for construction of projects of the same type, and the anti-falling double-layer shaft structure has high popularization value.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building municipal construction, and specifically relates to a falling-prevention double-layer shaft structure. BACKGROUND

[0002] In the construction of municipal pipe networks, there are various types of inspection wells. With the increase in the number of vehicles, the phenomenon of sinking or being crushed of the well lid occurs from time to time, thereby causing serious safety hazards to the passing vehicles and pedestrians. Good well lid quality can ensure the high-speed, comfortable and safe passing of vehicles, prolong the service life of the inspection well and save maintenance costs. SUMMARY

[0003] The present application aims at solving the problems in the prior art and provides a falling-prevention double-layer shaft structure with a novel structure design.

[0004] The present application is implemented by the following technical scheme:

[0005] The falling-prevention double-layer shaft structure comprises an inspection well, a pressure-bearing cover plate, a lower well lid, a lower well lid base, an elevated shaft, an upper well lid and an upper well lid base. The pressure-bearing cover plate is arranged at the top of the inspection well, and a reserved well mouth is arranged on the pressure-bearing cover plate. The lower well lid base is arranged on the reserved well mouth, and the lower well lid is installed on the lower well lid base. The bottom of the elevated shaft is arranged on the pressure-bearing cover plate, and a pressure-bearing ring is arranged around the top of the elevated shaft. The upper well lid base is arranged on the pressure-bearing ring, and the upper well lid is installed on the upper well lid base.

[0006] Further, the inspection well is a prefabricated concrete inspection well or a brick inspection well.

[0007] Further, the pressure-bearing cover plate is a prefabricated or cast-in-place reinforced concrete pressure-bearing cover plate with a thickness of 15 cm. The diameter of the reserved well mouth is 70 cm. Two embedded tie members are symmetrically arranged on the two sides of the reserved well mouth, and the lower well lid base is fixedly connected with the embedded tie members.

[0008] Further, an opening handle is arranged on the lower well lid.

[0009] Further, an annular groove is formed around the reserved well mouth on the pressure-bearing cover plate. The bottom of the elevated shaft is installed in the annular groove, and a concrete retaining wall is arranged at the connection between the elevated shaft and the annular groove.

[0010] Further, an embedded steel plate is fixed to the inner wall of the top of the elevated shaft. The embedded steel plate is connected with a pressure-bearing support rod, and the other end of the pressure-bearing support rod is connected with the upper well lid.

[0011] Further, the pressure bearing ring top is provided with a pre-embedded steel plate, the upper manhole cover base is fixedly connected with the pre-embedded steel plate, and the shockproof rubber gasket is arranged between the upper manhole cover base and the pre-embedded steel plate.

[0012] Further, the depth of the annular groove is 5 cm.

[0013] Further, the other side of the upper manhole cover opposite to the pressure bearing support rod is provided with an opening pull ring.

[0014] Further, the thickness of the shockproof rubber gasket is 1 cm.

[0015] The anti-falling double-layer well structure has the advantages of strong adaptability, firmness and stability, good sealing and anti-permeability, convenience in opening, stable structure, high safety factor and reliable quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to further illustrate the present application, form a part of the present application, and the schematic embodiments and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0017] Figure 1 It is a front view of the anti-falling double-layer well structure.

[0018] In the figure: 1 - inspection well, 2 - pressure bearing cover plate, 3 - annular groove, 4 - pre-embedded pull member, 5 - lower manhole cover, 6 - opening handle, 7 - high well, 8 - concrete retaining wall, 9 - lower manhole cover base, 10 - pressure bearing support rod, 11 - upper manhole cover, 12 - pressure bearing ring, 13 - upper manhole cover base, 14 - shockproof rubber gasket. DETAILED DESCRIPTION

[0019] In order to make the person skilled in the art better understand the present application, the present application will be further clearly and completely explained in combination with the embodiments and the accompanying drawings. It should be noted that the features in the embodiments and the examples in the present application can be combined with each other without conflict.

[0020] In the description of the present application, it should be understood that the positions or location relationships indicated by the terms "upper", "lower" and the like are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the structures indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] In the description of the utility model, it needs to explain, unless there is explicit provision and limitation, the term "installation", "connection" and the like should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be two structure inside communication, for ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood through specific circumstances.

[0022] As Figure 1 The embodiment provides a kind of anti-falling double-layer wellbore structure, it includes inspection well 1, pressure cover plate 2, lower well lid 5, lower well lid base 9, heightening wellbore 7, upper well lid 11 and upper well lid base 13.

[0023] Inspection well 1 uses prefabricated concrete inspection well or brick inspection well.

[0024] Pressure cover plate 2 is arranged at the top of inspection well 1, pressure cover plate 2 uses prefabricated or cast-in-place reinforced concrete pressure cover plate 2 with the thickness of 15cm, and a layer of 10cm thick crushed stone cushion layer and a layer of 15cm thick C20 concrete cushion layer are arranged below pressure cover plate 2;Pressure cover plate 2 is provided with a reserved well mouth with a diameter of 70cm, and a pre-buried tie member 4 is symmetrically arranged on the inner wall of the reserved well mouth at a position 5cm away from the well mouth;Annular groove 3 is formed on the periphery of the reserved well mouth on pressure cover plate 2, and the depth of annular groove 3 is 5cm.

[0025] Lower well lid base 9 is installed in the reserved well mouth on pressure cover plate 2, and lower well lid base 9 is fixedly connected with the pre-buried tie members 4 on both sides, to ensure that lower well lid base 9 is installed stably and firmly.

[0026] Lower well lid 5 is installed on lower well lid base 9, and opening handle 6 for opening well lid is arranged on lower well lid 5.

[0027] Heightening wellbore 7 is arranged on pressure cover plate 2, and the bottom mouth of heightening wellbore 7 is installed in annular groove 3 on pressure cover plate 2, and concrete retaining wall 8 is arranged at the connection of heightening wellbore 7 and annular groove 3, to ensure the stability and impermeability of the connection;The top of heightening wellbore 7 is embedded in road water stable layer, and pressure ring 12 is arranged on the periphery of the top of heightening wellbore 7, the bottom of pressure ring 12 is supported on road water stable layer, and pre-buried steel plate is arranged on the top of pressure ring 12.

[0028] Upper well lid base 13 is installed on pressure ring 12, and upper well lid base 13 is fixedly connected with pre-buried steel plate, to ensure that upper well lid base 13 is installed stably and firmly, and 1cm thick shock-absorbing rubber gasket 14 is arranged between well lid base and pre-buried steel plate, to prolong the service life of well lid.

[0029] The upper well lid 11 is installed on the upper well lid base 13, and an opening pull ring is arranged on the upper well lid 11 to facilitate opening of the well lid.

[0030] The inner wall of the top of the heightened well shaft 7 is fixed with a pre-embedded steel plate, the pre-embedded steel plate is connected with a pressure bearing support rod 10, the other end of the pressure bearing support rod 10 is connected with the upper well lid 11, the connection position of the pressure bearing support rod 10 and the upper well lid 11 is the other side opposite to the opening pull ring, the pressure bearing support rod 10 is connected with the upper well lid 11 at an angle of 45°, and the pressure bearing support rod 10 can adopt a hydraulic rod structure, so as to facilitate opening of the well lid and suspension at any angle.

[0031] The above-mentioned embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that, for ordinary skilled persons in the art, under the premise of not departing from the utility model concept, a plurality of deformations and improvements can be made, which all belong to the protection scope of the utility model.

Claims

1. A double-layer shaft structure for preventing falling, including an inspection well, characterized by: It also includes a pressure cover plate, a lower manhole cover, a lower manhole cover base, an elevated wellbore, an upper manhole cover and an upper manhole cover base; the pressure cover plate is arranged on the top of the inspection well, a reserved wellhead is arranged on the pressure cover plate, the lower manhole cover base is arranged on the reserved wellhead, and the lower manhole cover is installed on the lower manhole cover base; the bottom of the elevated wellbore is arranged on the pressure cover plate, a pressure ring is arranged on the top periphery of the elevated wellbore, the upper manhole cover base is arranged on the pressure ring, and the upper manhole cover is installed on the upper manhole cover base.

2. The anti-fall double-layer shaft structure according to claim 1 is characterized in that: Inspection wells are prefabricated concrete inspection wells or brick inspection wells.

3. The anti-fall double-layer shaft structure according to claim 1 is characterized in that: The pressure cover plate adopts a prefabricated or cast-in-place reinforced concrete pressure cover plate with a thickness of 15 cm. The diameter of the reserved wellhead is 70 cm. Embedded anchors are symmetrically arranged on both sides of the reserved wellhead, and the base of the lower wellhead is fixedly connected to the embedded anchors.

4. The anti-fall double-layer shaft structure according to claim 1 is characterized in that: An opening handle is provided on the lower manhole cover.

5. The anti-fall double-layer shaft structure according to claim 1 is characterized in that: An annular groove is provided on the outer periphery of the reserved wellhead along the upper edge of the pressure cover plate, the bottom mouth of the elevated wellbore is installed in the annular groove, and a concrete retaining wall is provided at the connection between the elevated wellbore and the annular groove.

6. The anti-fall double-layer shaft structure according to claim 1 is characterized in that: An embedded steel plate is fixed to the inner wall of the top of the elevated shaft, and a pressure-bearing support rod is connected to the embedded steel plate. The other end of the pressure-bearing support rod is connected to the upper manhole cover.

7. The anti-fall double-layer shaft structure according to claim 1 is characterized in that: An embedded steel plate is provided on the top of the pressure ring, the upper manhole cover base is fixedly connected to the embedded steel plate, and a shock-proof rubber gasket is provided between the upper manhole cover base and the embedded steel plate.

8. The anti-fall double-layer shaft structure according to claim 5, characterized in that: The depth of the annular groove is 5 cm.

9. The anti-fall double-layer shaft structure according to claim 6, characterized in that: An opening pull ring is provided on the other side of the upper manhole cover opposite to the pressure support rod.

10. The anti-fall double-layer shaft structure according to claim 7, characterized in that: The thickness of the shock-proof rubber gasket is 1 cm.

Images