Municipal asphalt road well lid lifting device

Abstract

The utility model discloses a municipal asphalt road well lid lifting device which comprises a steel bottom barrel, the diameter of the top of the steel bottom barrel is larger than that of the bottom of the steel bottom barrel, a steel top barrel base is arranged on the top of the steel bottom barrel, and the steel top barrel base and the steel bottom barrel are installed in a matched mode on the same axis. The steel top barrel base is detachably connected with the steel bottom barrel, and a well lid is installed at an opening in the top end of the steel top barrel base. Through cooperation of the steel bottom barrel and the well lid, a worker can be assisted to quickly pave a first layer of asphalt on a road surface, the steel top barrel base is arranged at the top of the steel bottom barrel, the well lid covers the top of the steel top barrel base, in this way, the worker can be assisted to quickly pave a second layer of asphalt, and the device is easy to operate and high in practicability. One worker can complete operation, labor cost is saved, meanwhile, asphalt on the upper surface of the well lid can be separated from the well lid to be reused, and therefore a large number of materials are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole cover lifting devices, in particular to a manhole cover lifting device used for municipal asphalt roads. Background Art

[0002] Before asphalt paving, the inspection wells of asphalt roads need to be marked and a lifting device installed to facilitate opening the well mouth after asphalt paving, and then install the six-protection inspection well cover at the well mouth. There are many ways to lift the inspection well cover when paving asphalt roads.

[0003] For example, the Chinese patent authorization announcement number CN208517973U discloses a prefabricated manhole cover device for asphalt overlay lifting manhole cover, including a shaft, a cover seat and a manhole cover arranged in sequence from bottom to top, a cement concrete layer and an asphalt overlay layer laid on the upper surface of the cement concrete layer are arranged on the periphery of the shaft, the cover seat is provided with a first annular convex ring, the upper surface of the first annular convex ring is flush with the upper surface of the manhole cover and the upper surface of the asphalt overlay layer, a prefabricated manhole cover layer is arranged between the shaft and the cover seat, the prefabricated manhole cover layer includes a lifting height layer with a prefabricated height value and a second annular convex ring extending upward to the periphery of the cover seat, and the lifting height layer is symmetrically distributed along the radial direction and is penetrated by a plurality of positioning steel bars, one end of the positioning steel bar is fixedly connected to the shaft, and the other end is fixedly connected to the cover seat. By adopting environmentally friendly polymer composite resin materials in advance to prefabricate and form a manhole cover layer with a prefabricated height value in large quantities, the construction period is accelerated, the construction operation is easy, and the lifting height and position control of the manhole cover are accurately controlled.

[0004] The above patent provides a manhole cover lifting device used for asphalt paving, which uses a prefabricated manhole cover layer made of polymer resin material, while the traditional method of lifting asphalt road manhole covers is generally to break them up after paving, that is, before the first layer of asphalt is paved, a steel plate is covered above the manhole to be lifted and the position is marked. If the asphalt is paved in two layers, after the first layer of asphalt is paved, the asphalt above and around the steel plate is chiseled out, the lifting device is installed, the surrounding area is manually filled with asphalt and compacted to the required elevation, the lifting device is taken out and the manhole cover is placed; however, both the solution provided by the above patent and the traditional solution for lifting asphalt road manhole covers waste a lot of materials and the construction is relatively troublesome. At the same time, a lot of manpower is required during construction, resulting in relatively high labor costs. Utility Model Content

[0005] The purpose of the utility model is to provide a lifting device for municipal asphalt road manhole covers, aiming to improve the existing asphalt road manhole cover lifting devices, which waste a lot of materials and are troublesome to construct. At the same time, a lot of manpower is required during construction, resulting in relatively high labor costs.

[0006] The utility model is achieved in this way:

[0007] A device for lifting manhole covers on municipal asphalt roads comprises a steel bottom barrel, wherein the top diameter of the steel bottom barrel is larger than the bottom diameter, and a steel top barrel base is provided on the top of the steel bottom barrel, the steel top barrel base is installed in cooperation with the same axial line as the steel bottom barrel, and the steel top barrel base is detachably connected to the steel bottom barrel, and a manhole cover is installed at the top opening of the steel top barrel base.

[0008] Preferably, a plurality of sleeves are evenly arranged on the top of the inner side of the steel bottom barrel, and a plug hole is arranged in the middle of the sleeve; a plurality of pins are evenly arranged on the bottom of the inner side of the steel bottom barrel, and the pins are aligned with the sleeves.

[0009] Preferably, the diameter of the steel top barrel base is the same as the diameter of the top of the steel bottom barrel, and a plurality of connecting pins are evenly arranged on the bottom of the inner side of the steel top barrel base, and the connecting pins are plug-connected with the sleeve on the top of the steel bottom barrel.

[0010] Preferably, a plug plate is provided on the bottom surface of the manhole cover, and the plug plate is inserted into the inner side of the steel top bucket base, and a plurality of disassembly holes are evenly provided on the edge of the manhole cover.

[0011] Preferably, the inner sides of the steel bottom barrel and the steel top barrel base are provided with supporting rings, the inner sides of the steel bottom barrel and the steel top barrel base are evenly provided with multiple connecting grooves along the upper side of the supporting rings, the inner sides of the steel bottom barrel and the steel top barrel base are provided with cross support frames, and the cross support frames are connected to the steel bottom barrel and the steel top barrel base by bolts.

[0012] Preferably, a connecting ring is welded on the outer ring of the cross support frame, and a plurality of countersunk holes are evenly arranged on the connecting ring.

[0013] Preferably, a tray is provided at the inner top of the steel top barrel base, and pull openings are symmetrically provided on both sides of the tray.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model can assist the workers to quickly spread the first layer of asphalt on the road surface through the cooperation of the steel bottom barrel and the manhole cover. A steel top barrel base is provided on the top of the steel bottom barrel, and the manhole cover is covered on the top of the steel top barrel base, which can assist the workers to quickly spread the second layer of asphalt. The device is easy to operate and can be completed by one worker, saving labor costs. At the same time, the asphalt on the surface of the manhole cover can also be detached from the manhole cover and reused, thereby saving a lot of materials.

[0016] 2. The steel bottom barrel and the steel top barrel base of the utility model are both provided with a cross support frame inside, and the strength of the steel base and the steel top barrel base can be improved by the cross support frame, thereby ensuring the stability of the entire lifting device.

[0017] 3. The utility model provides a tray under the manhole cover, through which the asphalt leaking from the holes in the manhole cover can be received, so as to avoid the asphalt falling into the inspection well and causing asphalt waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the steel bottom barrel of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the steel top bucket base of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the utility model manhole cover;

[0022] Figure 5 It is a structural schematic diagram of the cross support frame of the utility model;

[0023] Figure 6 It is a structural schematic diagram of the tray of the utility model.

[0024] In the figure: 1. Steel bottom barrel; 11. Sleeve; 12. Socket; 13. Pin; 14. Support ring; 15. Connecting groove; 2. Steel top barrel base; 21. Connecting pin; 3. Manhole cover; 31. Insert plate; 32. Disassembly hole; 4. Cross support frame; 41. Connecting ring; 42. Countersunk hole; 5. Tray; 51. Pull mouth. DETAILED DESCRIPTION

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0027] Example 1

[0028] like Figure 1As shown, a device for lifting a manhole cover for a municipal asphalt road includes a steel bottom barrel 1. The steel bottom barrel 1 is conveniently installed at the wellhead of the inspection well before the first layer of asphalt is laid on the road. The top diameter of the steel bottom barrel 1 is larger than the bottom diameter. This structure facilitates the disassembly and assembly of the steel bottom barrel 1. A steel top barrel base 2 is provided on the top of the steel bottom barrel 1. The steel top barrel base 2 is convenient for connecting it to the steel bottom barrel 1 when laying the second layer of asphalt on the road surface. The steel top barrel base 2 is installed in coordination with the steel bottom barrel 1 on the same axis, which ensures that the asphalt at the wellhead is stably attached to the wellhead. The steel top barrel base 2 is detachably connected to the steel bottom barrel 1. A manhole cover 3 is installed at the top opening of the steel top barrel base 2. The manhole cover 3 is convenient for sealing the inspection wellhead when laying asphalt.

[0029] like Figure 2 As shown, a plurality of sleeves 11 are evenly arranged on the top of the inner side of the steel bottom bucket 1, and a plug hole 12 is arranged in the middle of the sleeve 11; the sleeve 11 and the plug hole 12 cooperate to facilitate the connection between the steel bottom bucket 1 and the top of the steel top bucket, and facilitate the flexible disassembly and assembly between the steel top bucket base 2 and the steel bottom bucket 1. A plurality of latches 13 are evenly arranged on the bottom of the inner side of the steel bottom bucket 1, and the latches 13 are aligned with the sleeve 11; the latches 13 are conveniently inserted into the inner side of the inspection well mouth to ensure that the steel bottom bucket 1 is stable at the top of the inspection well mouth.

[0030] like Figure 3 As shown, the diameter of the steel top bucket base 2 is the same as the top diameter of the steel bottom bucket 1, and a plurality of connecting pins 21 are evenly arranged at the bottom of the inner side of the steel top bucket base 2, and the connecting pins 21 are plugged and connected with the sleeve 11 at the top of the steel bottom bucket 1; this structure facilitates flexible disassembly and assembly between the steel top bucket base 2 and the steel bottom bucket 1, and facilitates flexible use of the entire manhole cover 3 lifting device.

[0031] like Figure 4 As shown, a plug plate 31 is provided on the bottom surface of the manhole cover 3, and the plug plate 31 is inserted into the inner side of the steel top bucket base 2. The plug plate 31 is convenient for the manhole cover 3 to be stably connected to the top opening of the steel bottom bucket 1 or the steel top bucket base 2. A plurality of disassembly holes 32 are evenly provided on the edge of the manhole cover 3, and the disassembly holes 32 facilitate the auxiliary staff to quickly disassemble the manhole cover 3 after asphalt paving.

[0032] Working principle: during construction, clean up the debris around the inspection well; place the steel bottom barrel 1 in the center of the inspection well, adjust the level of the bottom barrel, and install the steel manhole cover 3; apply asphalt release agent to the steel bottom barrel 1 and the steel manhole cover 3; then spread and roll the lower layer of asphalt; then clean up the asphalt on the steel manhole cover 3 and take out the manhole cover 3; then, according to the thickness of the asphalt surface layer, select a steel top barrel of appropriate height, and insert the vertical straight pin at the bottom into the vertical circular hoop on the top of the bottom barrel for fixing; then install the steel manhole cover 3 again, and apply asphalt release agent to the steel top barrel and the steel manhole cover 3; manually fill the asphalt mixture around the lifting device, and use a diesel rammer to compact it to ensure that the elevation after compaction is the same as the lower bottom of the outer edge of the six-defense inspection well cover 3; clean up the asphalt on the steel manhole cover 3 and take out the manhole cover 3, and then take out the entire lifting device; install the inspection well cover 3. Compared with the prior art, the cooperation of the steel bottom bucket 1 and the manhole cover 3 can assist the workers to quickly spread the first layer of asphalt on the road surface. A steel top bucket base 2 is provided on the top of the steel bottom bucket 1, and the manhole cover 3 is covered on the top of the steel top bucket base 2, which can assist the workers to quickly spread the second layer of asphalt. The device is easy to operate and can be completed by one worker, saving labor costs. At the same time, the asphalt on the upper surface of the manhole cover 3 can also be detached from the manhole cover 3 and reused, thereby saving a large amount of materials.

[0033] Example 2

[0034] like Figure 1 As shown, a device for lifting a manhole cover for a municipal asphalt road includes a steel bottom barrel 1. The steel bottom barrel 1 is conveniently installed at the wellhead of the inspection well before the first layer of asphalt is laid on the road. The top diameter of the steel bottom barrel 1 is larger than the bottom diameter. This structure facilitates the disassembly and assembly of the steel bottom barrel 1. A steel top barrel base 2 is provided on the top of the steel bottom barrel 1. The steel top barrel base 2 is convenient for connecting it to the steel bottom barrel 1 when laying the second layer of asphalt on the road surface. The steel top barrel base 2 is installed in coordination with the steel bottom barrel 1 on the same axis, which ensures that the asphalt at the wellhead is stably attached to the wellhead. The steel top barrel base 2 is detachably connected to the steel bottom barrel 1. A manhole cover 3 is installed at the top opening of the steel top barrel base 2. The manhole cover 3 is convenient for sealing the inspection wellhead when laying asphalt.

[0035] like Figure 2 As shown, a plurality of sleeves 11 are evenly arranged on the top of the inner side of the steel bottom bucket 1, and a plug hole 12 is arranged in the middle of the sleeve 11; the sleeve 11 and the plug hole 12 cooperate to facilitate the connection between the steel bottom bucket 1 and the top of the steel top bucket, and facilitate the flexible disassembly and assembly between the steel top bucket base 2 and the steel bottom bucket 1. A plurality of latches 13 are evenly arranged on the bottom of the inner side of the steel bottom bucket 1, and the latches 13 are aligned with the sleeve 11; the latches 13 are conveniently inserted into the inner side of the inspection well mouth to ensure that the steel bottom bucket 1 is stable at the top of the inspection well mouth.

[0036] like Figure 3As shown, the diameter of the steel top bucket base 2 is the same as the top diameter of the steel bottom bucket 1, and a plurality of connecting pins 21 are evenly arranged at the bottom of the inner side of the steel top bucket base 2, and the connecting pins 21 are plugged and connected with the sleeve 11 at the top of the steel bottom bucket 1; this structure facilitates flexible disassembly and assembly between the steel top bucket base 2 and the steel bottom bucket 1, and facilitates flexible use of the entire manhole cover 3 lifting device.

[0037] like Figure 4 As shown, a plug plate 31 is provided on the bottom surface of the manhole cover 3, and the plug plate 31 is inserted into the inner side of the steel top bucket base 2. The plug plate 31 is convenient for the manhole cover 3 to be stably connected to the top opening of the steel bottom bucket 1 or the steel top bucket base 2. A plurality of disassembly holes 32 are evenly provided on the edge of the manhole cover 3, and the disassembly holes 32 facilitate the auxiliary staff to quickly disassemble the manhole cover 3 after asphalt paving.

[0038] like Figure 1 , Figure 2 and Figure 3 As shown, the inner sides of the steel bottom barrel 1 and the steel top barrel base 2 are both provided with a supporting ring 14, and the supporting ring 14 is used to install the cross support frame 4. The inner sides of the steel bottom barrel 1 and the steel top barrel base 2 are evenly provided with a plurality of connecting grooves 15 along the upper side of the supporting ring 14, and the connecting grooves 15 are convenient for matching bolts, so as to facilitate fixing the cross support frame 4 by bolts. The inner sides of the steel bottom barrel 1 and the steel top barrel base 2 are both provided with a cross support frame 4, and the cross support frame 4 is connected to the steel bottom barrel 1 and the steel top barrel base 2 by bolts; this structure can enhance the strength of the steel bottom barrel 1 and the steel top barrel base 2.

[0039] like Figure 5 As shown, a connecting ring 41 is welded on the outer ring of the cross support frame 4, and a plurality of countersunk holes 42 are evenly arranged on the connecting ring 41; the connecting ring 41 cooperates with the countersunk holes 42 to facilitate fixing the position of the cross support frame 4 by bolts.

[0040] Example 3

[0041] like Figure 1 As shown, a device for lifting a manhole cover for a municipal asphalt road includes a steel bottom barrel 1. The steel bottom barrel 1 is conveniently installed at the wellhead of the inspection well before the first layer of asphalt is laid on the road. The top diameter of the steel bottom barrel 1 is larger than the bottom diameter. This structure facilitates the disassembly and assembly of the steel bottom barrel 1. A steel top barrel base 2 is provided on the top of the steel bottom barrel 1. The steel top barrel base 2 is convenient for connecting it to the steel bottom barrel 1 when laying the second layer of asphalt on the road surface. The steel top barrel base 2 is installed in coordination with the steel bottom barrel 1 on the same axis, which ensures that the asphalt at the wellhead is stably attached to the wellhead. The steel top barrel base 2 is detachably connected to the steel bottom barrel 1. A manhole cover 3 is installed at the top opening of the steel top barrel base 2. The manhole cover 3 is convenient for sealing the inspection wellhead when laying asphalt.

[0042] like Figure 2As shown, a plurality of sleeves 11 are evenly arranged on the top of the inner side of the steel bottom bucket 1, and a plug hole 12 is arranged in the middle of the sleeve 11; the sleeve 11 and the plug hole 12 cooperate to facilitate the connection between the steel bottom bucket 1 and the top of the steel top bucket, and facilitate the flexible disassembly and assembly between the steel top bucket base 2 and the steel bottom bucket 1. A plurality of latches 13 are evenly arranged on the bottom of the inner side of the steel bottom bucket 1, and the latches 13 are aligned with the sleeve 11; the latches 13 are conveniently inserted into the inner side of the inspection well mouth to ensure that the steel bottom bucket 1 is stable at the top of the inspection well mouth.

[0043] like Figure 3 As shown, the diameter of the steel top bucket base 2 is the same as the top diameter of the steel bottom bucket 1, and a plurality of connecting pins 21 are evenly arranged at the bottom of the inner side of the steel top bucket base 2, and the connecting pins 21 are plugged and connected with the sleeve 11 at the top of the steel bottom bucket 1; this structure facilitates flexible disassembly and assembly between the steel top bucket base 2 and the steel bottom bucket 1, and facilitates flexible use of the entire manhole cover 3 lifting device.

[0044] like Figure 4 As shown, a plug plate 31 is provided on the bottom surface of the manhole cover 3, and the plug plate 31 is inserted into the inner side of the steel top bucket base 2. The plug plate 31 is convenient for the manhole cover 3 to be stably connected to the top opening of the steel bottom bucket 1 or the steel top bucket base 2. A plurality of disassembly holes 32 are evenly provided on the edge of the manhole cover 3, and the disassembly holes 32 facilitate the auxiliary staff to quickly disassemble the manhole cover 3 after asphalt paving.

[0045] like Figure 1 , Figure 2 and Figure 3 As shown, the inner sides of the steel bottom barrel 1 and the steel top barrel base 2 are both provided with a supporting ring 14, and the supporting ring 14 is used to install the cross support frame 4. The inner sides of the steel bottom barrel 1 and the steel top barrel base 2 are evenly provided with a plurality of connecting grooves 15 along the upper side of the supporting ring 14, and the connecting grooves 15 are convenient for matching bolts, so as to facilitate fixing the cross support frame 4 by bolts. The inner sides of the steel bottom barrel 1 and the steel top barrel base 2 are both provided with a cross support frame 4, and the cross support frame 4 is connected to the steel bottom barrel 1 and the steel top barrel base 2 by bolts; this structure can enhance the strength of the steel bottom barrel 1 and the steel top barrel base 2.

[0046] like Figure 5 As shown, a connecting ring 41 is welded on the outer ring of the cross support frame 4, and a plurality of countersunk holes 42 are evenly arranged on the connecting ring 41; the connecting ring 41 cooperates with the countersunk holes 42 to facilitate fixing the position of the cross support frame 4 by bolts.

[0047] like Figure 6 As shown, a pallet 5 is provided on the inner top of the steel top barrel base 2, and pull openings 51 are symmetrically provided on both sides of the pallet 5; the pallet 5 is convenient for receiving asphalt passing through the manhole cover 3, and the pull openings 51 are convenient for installing and removing the pallet 5.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lifting device for a manhole cover on a municipal asphalt road, comprising a steel bottom bucket (1), characterized in that: The top diameter of the steel bottom barrel (1) is larger than the bottom diameter, and a steel top barrel base (2) is provided on the top of the steel bottom barrel (1). The steel top barrel base (2) is installed on the same axis as the steel bottom barrel (1), and the steel top barrel base (2) is detachably connected to the steel bottom barrel (1). A manhole cover (3) is installed at the top opening of the steel top barrel base (2).

2. The device for lifting a manhole cover for a municipal asphalt road according to claim 1, characterized in that: A plurality of sleeves (11) are evenly arranged on the top of the inner side of the steel bottom barrel (1), and a plug hole (12) is arranged in the middle of the sleeve (11); a plurality of latches (13) are evenly arranged on the bottom of the inner side of the steel bottom barrel (1), and the latches (13) are aligned with the sleeves (11).

3. The device for lifting a manhole cover for a municipal asphalt road according to claim 2, characterized in that: The diameter of the steel top bucket base (2) is the same as the top diameter of the steel bottom bucket (1), and a plurality of connecting pins (21) are evenly arranged at the bottom of the inner side of the steel top bucket base (2), and the connecting pins (21) are plug-connected to the sleeve (11) at the top of the steel bottom bucket (1).

4. The device for lifting a manhole cover for a municipal asphalt road according to claim 1, characterized in that: The bottom surface of the manhole cover (3) is provided with an insert plate (31), and the insert plate (31) is inserted into the inner side of the steel top bucket base (2). The edge of the manhole cover (3) is evenly provided with a plurality of disassembly holes (32).

5. A lifting device for a manhole cover on a municipal asphalt road according to any one of claims 1 to 4, characterized in that: The inner sides of the steel bottom barrel (1) and the steel top barrel base (2) are both provided with supporting rings (14); the inner sides of the steel bottom barrel (1) and the steel top barrel base (2) are evenly provided with a plurality of connecting grooves (15) above the supporting rings (14); the inner sides of the steel bottom barrel (1) and the steel top barrel base (2) are both provided with cross support frames (4); the cross support frames (4) are connected to the steel bottom barrel (1) and the steel top barrel base (2) by bolts.

6. The device for lifting a manhole cover for a municipal asphalt road according to claim 5, characterized in that: A connecting ring (41) is welded to the outer ring of the cross support frame (4), and a plurality of countersunk holes (42) are evenly arranged on the connecting ring (41).

7. A lifting device for a manhole cover on a municipal asphalt road according to any one of claims 1 to 4, characterized in that: A tray (5) is provided on the inner top of the steel top bucket base (2), and pull openings (51) are symmetrically provided on both sides of the tray (5).

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