CN112195978A

CN112195978A - Urban road manhole cover

Info

Publication number: CN112195978A
Application number: CN202011109344.8A
Authority: CN
Inventors: 陈宇航
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-01-08

Abstract

The invention discloses an urban road inspection well cover, which belongs to the technical field of road inspection well construction and comprises a liftable well seat and a cover body arranged on the liftable well seat; the cover body is provided with a well cover connecting rod lock. The liftable well seat is used for adjusting the height of the well cover during installation according to the designed height of a road surface, and the well cover connecting rod lock is used for closing the cover body or opening the cover body. The manhole cover mainly aims at the problems of simple structure, low applicability, low safety performance and the like of various existing manhole covers, has the characteristics of adjustable height, firm locking, noise reduction, safety and the like compared with the traditional manhole cover, effectively solves the problems of rework rectification caused by improper installation of the traditional manhole cover, repair caused by relative settlement and deformation of a later-period road surface and the manhole cover, personnel falling and object collision possibly occurring after the manhole cover is opened, and has positive effects on guaranteeing road surface quality, improving driving comfort, quiet surrounding environment and traffic safety.

Description

Urban road manhole cover

Technical Field

The invention belongs to the field of municipal pipeline construction of urban road engineering, and relates to an urban road manhole cover which is suitable for construction of urban road underground manhole engineering.

Background

The urban road inspection well is a vertical shaft for inspecting and clearing sludge in an underdrain in drainage engineering, and is a vertical structure for connecting, inspecting and maintaining pipelines. The inspection well cover is an openable closure of an inspection well mouth and consists of a well cover and a well seat. At present, the manhole cover commonly used for urban roads is made of cast iron, cast steel, polymer and the like, and has a single structure and is easy to open and close. Affected by the technical level of operators, measurement errors and external factors, the elevation control of the manhole cover is often inaccurate, and the height difference exists between a road surface and the manhole cover, so that the problems of cracking, settlement, vehicle jumping, high noise and the like of the road surface structure around the manhole cover are easy to occur; the well lid is opened to the operation of maintainer going into the well or underground drainage pipe blocks up and takes place to kick backward, makes the well opening expose, probably appears the personnel and falls, strikes well lid scheduling phenomenon. The problems become a common problem in the construction of urban road inspection wells, and not only affect the performance indexes of the road surface, but also affect the road traffic driving safety and the personal safety of the masses.

Disclosure of Invention

Aiming at the defects of simple structure, low applicability, low safety performance and the like of various existing manhole covers in the prior art, the invention provides the urban road manhole cover which has the characteristics of adjustable height, firm locking, noise reduction, safety and the like compared with the traditional manhole cover, effectively solves the problems of rework rectification caused by the improper installation of the traditional manhole cover, repair caused by the relative settlement and deformation of a later-period road surface and the manhole cover, the problems of personnel falling and object collision possibly occurring when a hole is exposed after the manhole cover is opened and the like, and plays a positive role in ensuring the road surface quality, improving the driving comfort, the quiet surrounding environment and the traffic safety.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention relates to an urban road inspection well cover, which comprises a liftable well seat and a cover body arranged on the liftable well seat; the cover body is provided with a well cover connecting rod lock. According to the invention, the liftable well seat is used for adjusting the height of the urban road manhole cover during installation according to the designed height of a road surface, and the manhole cover connecting rod lock is used for closing the cover body or opening the cover body.

As a further improvement of the technical scheme of the invention, the liftable well seat comprises a base and a movable support; the base is in a circular ring shape, the outer side edge of the base is provided with an upward bulge, the upper surface of the base is uniformly and fixedly provided with a plurality of T-shaped coarse thread screws along the circumference, and each T-shaped coarse thread screw is movably provided with an anti-skidding flange nut matched with the T-shaped coarse thread screw; the movable support is in a ring shape, the outer diameter of the movable support is larger than that of the base, the outer side edge of the movable support is provided with a downward bulge, and through holes which correspond to the T-shaped coarse thread screws on the base one by one and are smaller than the outer diameter of the anti-skid flange nut are formed in the ring body along the circumference; and each T-shaped coarse thread screw rod on the base penetrates through each through hole on the movable support and supports the movable support on each anti-skidding flange nut.

As a further improvement of the technical scheme of the invention, the number of the T-shaped coarse thread screws is 6.

As a further improvement of the technical scheme of the invention, the grade of the anti-skid flange nut is more than 8.8.

As a further improvement of the technical scheme of the invention, the cover body comprises a cover body base which is cylindrical and is fixedly arranged on the upper surface of the movable support; the top of the cover body base is movably provided with a well cover plate matched with the cover body base, and the well cover connecting rod lock is arranged on the well cover plate.

As a further improvement of the technical scheme of the invention, a rotating shaft is fixedly arranged on the outer side of the cover body base, and the well cover plate is rotatably arranged on the cover body base through the rotating shaft.

As a further improvement of the technical scheme of the invention, the well lid connecting rod lock comprises a connecting rod lock knob which penetrates through the center of the well lid plate; the connecting rod lock knob is movably connected with a plurality of lock rods, and each lock rod is positioned below the well cover plate; the cover body base is provided with lock rod through holes which correspond to and are matched with the outer end parts of the lock rods one by one; when the connecting rod lock knob is screwed or unscrewed, the outer end part of each lock rod extends into or withdraws from the corresponding lock rod through hole.

As a further improvement of the technical scheme of the invention, the edge of the lower surface of the well cover plate is provided with a rubber gasket.

As a further improvement of the technical scheme of the invention, the edge of the upper surface of the well cover plate is provided with an LED lamp strip; the inner side of the cover body base is provided with a battery box, and the top of the cover body base is provided with a self-resetting normally closed switch; the LED lamp strip and the self-resetting normally closed switch are communicated with the battery box through a circuit.

As a further improvement of the technical scheme of the invention, the upper surface of the well cover plate is provided with an EPDM plastic particle layer.

Compared with the prior art, the invention has the beneficial effects that: the urban road manhole cover is novel and reasonable in design, exquisite in structure, rich in functions, low in operation difficulty and high in safety; the urban road manhole cover is provided with the liftable manhole seat, so that the mounting height of the urban road manhole cover can be adjusted according to the height of a road; the well cover plate can be opened and closed as required through a well cover connecting rod lock arranged on the cover body; the LED lamp strip is arranged on the cover body, the self-reset normally closed switch, the battery box and the like, so that when the well cover plate is opened, the LED lamp strip is lightened to remind passers and vehicles to pay attention to safety, when the well cover plate is closed, the LED lamp strip is extinguished, and the road returns to normal traffic; it sets up EPDM plastic grained layer on through the well lid to improve noise reduction effect and promote the travelling comfort of driving.

Drawings

FIG. 1 is a schematic diagram of a front view structure of an urban road manhole cover of the invention;

FIG. 2 is a schematic view of a top view of the manhole cover of an urban road according to the present invention;

FIG. 3 is a schematic structural view of a liftable well base of the urban road manhole cover in a normal state;

FIG. 4 is a schematic structural view of the manhole cover of the urban road under the condition that the liftable manhole base is adjusted;

FIG. 5 is a schematic structural view of the manhole cover connecting rod lock of the urban road manhole cover in an unlocked state;

FIG. 6 is a schematic structural view of a manhole cover connecting rod lock of the urban road manhole cover in a locking state;

FIG. 7 is a schematic structural diagram of an urban road manhole cover in a working state in which an LED lamp is lighted after a manhole cover plate is opened;

FIG. 8 is a schematic structural diagram of an urban road manhole cover in a normal state in which an LED lamp strip is extinguished when a manhole cover plate is closed;

in the figure: 1. a liftable well seat; 11. a base; 12. a movable support; 13. t-shaped coarse lead screw; 14. an anti-slip flange nut; 15. a through hole; 2. a cover body; 21. a cover body base; 22. a well cover plate; 23. a rotating shaft; 24. a rubber gasket; 25. an EPDM plastic particle layer; 26. a well lid name display area; 3. a well cover connecting rod lock; 31. a connecting rod lock knob; 32. a lock lever; 33. a locking bar through hole; 41. an LED light strip; 42. a battery case; 43. a self-resetting normally closed switch; 5. and (6) inspecting the well.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, the manhole cover for urban roads of the present invention has the innovation points that the manhole cover comprises a liftable well base 1 and a cover body 2 arranged on the liftable well base 1; the cover body 2 is provided with a well cover connecting rod lock 3. Liftable well seat 1 be used for carrying out the adjustment of height when this urban road inspection well lid installation according to road surface design elevation, well lid connecting rod lock 3 be used for closing lid 2 or open lid 2.

In this embodiment, the liftable well base 1 comprises a base 11 and a movable support 12, and the cover body 2 is arranged on the movable support 12; the base 11 is annular, upward bulges are arranged on the outer side edge of the base, a plurality of high-strength T-shaped coarse thread screws 13 are uniformly and fixedly arranged on the upper surface of the base along the circumference, the number of the T-shaped coarse thread screws 13 is 6 for explanation, each T-shaped coarse thread screw 13 is movably provided with an anti-skidding flange nut 14 matched with the T-shaped coarse thread screw 13, and the grade of the anti-skidding flange nut 14 is more than 8.8 grades so as to support downward gravity applied by passers or vehicles on the cover body 2 and the cover body 2; the movable support 12 is annular, the outer diameter of the movable support is larger than that of the base 11, a downward bulge is arranged on the outer side edge of the movable support, and through holes 15 which correspond to the T-shaped coarse thread screws 13 on the base 11 one by one and are smaller than the outer diameter of the anti-skid flange nut 14 are formed in the annular body along the circumference of the movable support; t-shaped coarse thread screws 13 on the base 11 penetrate through holes 15 on the movable support 12 and support the movable support 12 on anti-skid flange nuts 14; in this embodiment, the height of the anti-slip flange nut 14 on the T-shaped coarse-pitch lead screw 13 can be adjusted by rotating the anti-slip flange nut 14, so as to adjust the overall height or the local height of the movable support 12, and further adjust the height of the cover body 2 on the movable support 12, and fig. 3 and 4 show schematic diagrams in a normal state and an adjustment state; a shell matched with the anti-skid flange nut 14 can be further arranged above the through hole 15 and sleeved at the top end of the T-shaped coarse-tooth screw rod 13.

In this embodiment, the cover 2 includes a cylindrical cover base 21 fixedly disposed on the upper surface of the movable support 1; lid base 21 top activity be provided with rather than the well lid board 22 of looks adaptation, well lid connecting rod lock 3 set up on this well lid board 22. Further, a rotating shaft 23 is fixedly disposed on an outer side of the cover base 21, and the well cover plate 22 is rotatably disposed on the cover base 21 through the rotating shaft 23.

In this embodiment, the manhole cover connecting rod lock 3 includes a connecting rod lock knob 31 penetrating the center of the manhole cover plate 22; the connecting rod lock knob 31 is movably connected with a plurality of lock rods 32, three lock rods 32 are taken as an example for explanation, and each lock rod 32 is positioned below the well cover plate 22; the cover body base 21 is provided with lock rod through holes 33 which correspond to and are matched with the outer end parts of the lock rods 32 one by one; as shown in fig. 5 and 6, when the link lock knob 31 is screwed or unscrewed, the outer end of each lock rod 32 extends into or exits from the corresponding lock rod through hole 33, so as to complete the locking and unlocking between the well cover plate 22 and the cover base 21.

Further, in this embodiment, the edge of the lower surface of the well cover plate 22 is provided with a rubber gasket 24.

In this embodiment, the edge of the upper surface of the well cover plate 22 is provided with an LED strip 41, and the color is yellow; the inner side of the cover body base 21 is provided with a battery box 42, and the top of the battery box is provided with a self-resetting normally-closed switch 43; the LED strip 41 and the self-resetting normally-closed switch 43 are connected with the battery box 42 through a circuit in a conventional wiring manner to form a loop, as shown in fig. 7 and 8, when the manhole cover 22 is opened, the LED strip 41 is connected with the battery box 42, a lamp is on to indicate pedestrians or vehicles, construction is in progress, when the manhole cover 22 is closed, the self-resetting normally-closed switch 43 is triggered, the LED strip 41 is disconnected from the battery box 42, and the lamp is turned off.

Furthermore, in the present embodiment, the upper surface of the well cover plate 22 is provided with an EPDM plastic particle layer 25, and the color of the well cover plate is consistent with the color of the road surface.

In addition, a manhole name display area 26 may be further provided on each manhole cover 22 to indicate information of the manhole cover.

In the specific application, the method comprises the following steps:

1. firstly, building (pouring) a shaft of an inspection well 5 to a designed elevation;

2. installing a liftable well base 1 on a shaft, rotating an anti-skid flange nut 14, and adjusting the top elevation of a cover body to be consistent with the designed elevation of a road surface;

3. paving a road surface layer;

4. and after the pavement construction is finished, the flatness of the well cover plate connected with the road surface layer is detected by using a ruler. If the flatness is poor and the height difference between the well cover plate and the surface layer is large, the well cover connecting rod lock 3 is firstly unscrewed to open the well cover plate 22, then the anti-skid flange nuts 14 in 6 different directions are adjusted to adjust the height of the well cover plate to enable the well cover plate to be flush with the road surface, finally the well cover plate is closed and locked by the well cover connecting rod lock.

Claims

1. The utility model provides an urban road manhole cover which characterized in that: the well comprises a liftable well seat (1) and a cover body (2) arranged on the liftable well seat (1); the cover body (2) is provided with a well cover connecting rod lock (3).

2. The urban road manhole cover according to claim 1, wherein: the liftable well seat (1) comprises a base (11) and a movable support (12); the base (11) is annular, the outer side edge of the base is provided with an upward bulge, the upper surface of the base is uniformly and fixedly provided with a plurality of T-shaped coarse-tooth lead screws (13) along the circumference, and each T-shaped coarse-tooth lead screw (13) is movably provided with an anti-skidding flange nut (14) matched with the T-shaped coarse-tooth lead screw (13); the movable support (12) is annular, the outer diameter of the movable support is larger than that of the base (11), the outer side edge of the movable support is provided with a downward bulge, and through holes (15) which correspond to the T-shaped coarse-tooth screw rods (13) on the base (11) one by one and have a diameter smaller than that of the anti-skid flange nut (14) are formed in the annular body along the circumference; t-shaped coarse thread screws (13) on the base (11) penetrate through holes (15) on the movable support (12) and support the movable support (12) on anti-skid flange nuts (14).

3. The urban road manhole cover according to claim 2, wherein: the number of the T-shaped coarse thread lead screws (13) is 6.

4. The urban road manhole cover according to claim 2, wherein: the grade of the anti-skid flange nut (14) is more than 8.8.

5. An urban road manhole cover according to any one of claims 1 to 4, wherein: the cover body (2) comprises a cylindrical cover body base (21) which is fixedly arranged on the upper surface of the movable support (1); lid base (21) top activity be provided with rather than the well lid board (22) of looks adaptation, well lid connecting rod lock (3) set up on this well lid board (22).

6. The urban road manhole cover according to claim 5, wherein: the outer side of the cover body base (21) is fixedly provided with a rotating shaft (23), and the well cover plate (22) is rotatably arranged on the cover body base (21) through the rotating shaft (23).

7. The urban road manhole cover according to claim 5, wherein: the well lid connecting rod lock (3) comprises a connecting rod lock knob (31) which penetrates through the center of the well lid plate (22); the connecting rod lock knob (31) is movably connected with a plurality of lock rods (32), and each lock rod (32) is positioned below the well cover plate (22); the cover body base (21) is provided with lock rod through holes (33) which correspond to and are matched with the outer end parts of the lock rods (32) one by one; when the connecting rod lock knob (31) is screwed or unscrewed, the outer end part of each lock rod (32) extends into or withdraws from the corresponding lock rod through hole (33).

8. The urban road manhole cover according to claim 5, wherein: and a rubber gasket (24) is arranged at the edge of the lower surface of the well cover plate (22).

9. An urban road manhole cover according to any one of claims 6 to 8, wherein: the edge of the upper surface of the well cover plate (22) is provided with an LED lamp strip (41); a battery box (42) is arranged on the inner side of the cover body base (21), and a self-resetting normally closed switch (43) is arranged at the top of the battery box; the LED lamp strip (41) and the self-resetting normally closed switch (43) are communicated with the battery box (42) through a circuit.

10. The urban road manhole cover according to claim 9, wherein: and an EPDM plastic particle layer (25) is arranged on the upper surface of the well cover plate (22).