阅读说明：本技术 一种沥青混凝土路面预制井圈与井盖一体化结构及其施工方法 (Integrated structure of prefabricated well ring and well cover of asphalt concrete pavement and construction method of integrated structure ) 是由 倪胜 王文 丁宏伟 徐卫东 徐盛 臧光青 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种沥青混凝土路面预制井圈,包括检查井本体、支撑井圈和支撑井盖,检查井的开口高度低于地面,支撑井圈安装在检查井本体的开口处,支撑井盖盖设在支撑井圈的上段面,支撑井盖的外径大于支撑井圈的外径,支撑井圈外侧面上安装有定位架,定位架呈环形并套设在支撑井圈的外侧,定位架的外径小于支撑井盖的外径；定位架上安装有缓冲机构,缓冲机构包括缓冲滑轨和缓冲滑块,缓冲滑轨固定安装在定位架上,缓冲滑轨呈环形且沿着支撑井盖的外侧边缘处设置,缓冲滑块设置有至少四块,且均固定安装在支撑井盖的边缘处,缓冲滑块均滑动安装在缓冲滑轨上。不容易出现支撑井盖的下部强度不足,导致引起的井盖下沉以及周边路面龟裂破碎的问题。(The invention discloses a precast well ring for an asphalt concrete pavement, which comprises an inspection well body, a supporting well ring and a supporting well cover, wherein the height of an opening of the inspection well is lower than the ground; install buffer gear on the locating rack, buffer gear is including buffering slide rail and buffering slider, and buffering slide rail fixed mounting is on the locating rack, and the buffering slide rail is the annular and sets up along the outside edge that supports the well lid, and the buffering slider is provided with four at least, and equal fixed mounting is in the edge that supports the well lid, and the equal slidable mounting of buffering slider is on the buffering slide rail. The lower part intensity that is difficult to appear supporting the well lid is not enough, leads to the well lid that arouses to sink and the cracked broken problem of peripheral road surface.)

1. The utility model provides a precast walling crib of asphalt concrete road surface, includes inspection shaft body (1), supports walling crib (2) and supports well lid (3), inspection shaft body (1) set up subaerial, the opening height of inspection shaft body (1) is less than ground, supports walling crib (2) and installs the opening part at inspection shaft body (1), supports well lid (3) lid and establishes the upper segment face at support walling crib (2), its characterized in that: the outer diameter of the supporting well cover (3) is larger than that of the supporting well ring (2), a positioning frame (4) is arranged on the outer side surface of the supporting well ring (2), the positioning frame (4) is annular and sleeved on the outer side of the supporting well ring (2), and the outer diameter of the positioning frame (4) is smaller than that of the supporting well cover (3); install buffer gear (5) on locating rack (4), buffer gear (5) are including buffering slide rail (51) and buffering slider (52), buffering slide rail (51) fixed mounting is on locating rack (4), buffering slide rail (51) are the annular and set up along the outside edge that supports well lid (3), buffering slider (52) are provided with four at least, and equal fixed mounting is in the edge that supports well lid (3), equal slidable mounting of buffering slider (52) is on buffering slide rail (51).

2. The asphalt concrete pavement prefabricated walling crib according to claim 1, characterized in that: support walling crib (2) outside pour and support concrete (62), locating rack (4) and install buffering slide rail (51) on locating rack (4) bury underground in supporting concrete (62), buffering slide rail (51) are spout form and the opening is vertical upwards, the opening of buffering slide rail (51) is adjacent with the bottom surface that supports well lid (3), the opening width of buffering slide rail (51) is less than the width of widest part in buffering slide rail (51) cross section, buffering slider (52) shape is the same with the cross sectional shape of buffering slide rail (51), and inlay and establish in buffering slide rail (51).

3. The asphalt concrete pavement prefabricated walling crib according to claim 2, wherein: buffering slide rail (51) in install closing cap board (53), the closing cap groove (54) has been seted up in buffering slide rail (51) inside wall and the adjacent position department of opening, closing cap groove (54) are the annular and set up with the adjacent side of opening along buffering slide rail (51) inside wall, the side of closing cap board (53) inlays and establishes in closing cap groove (54), closing cap through-hole (55) have still been seted up on the top surface of closing cap board (53), install in closing cap through-hole (55) buffering slider (52).

4. The asphalt concrete pavement prefabricated walling crib according to claim 3, wherein: the top surface of buffering slider (52) on seted up buffering screw hole (34), set up the well lid screw hole (35) that quantity equals on the top surface of support well lid (3), wear to be equipped with connecting bolt (36) in well lid screw hole (35), the other end of connecting bolt (36) rotates simultaneously and installs in buffering screw hole (34), the top surface of connecting bolt (36) is not higher than the top surface of support well lid (3).

5. The asphalt concrete pavement prefabricated walling crib according to claim 2, wherein: locating rack (4) include bottom panel (41) and outside panel (45), bottom panel (41) level setting and be the annular, outside panel (45) vertical fixation is on bottom panel (41), outside panel (45) are the axis collineation of axis and bottom panel (41) of tube-shape and outside panel (45), buffering slide rail (51) are located one side that inspection shaft body (1) center department was kept away from in outside panel (45).

6. The asphalt concrete pavement prefabricated walling crib according to claim 5, wherein: a bottom groove (42) is concavely arranged on the bottom surface of the bottom panel (41), a bottom edge (43) is formed on the top surface of the bottom panel (41) in a protruding mode by the bottom groove (42), and the bottom groove (42) is annular; a well body edge (11) is fixedly arranged on the upper end face of the inspection well body (1), the well body edge (11) is embedded in the bottom face groove (42), a supporting groove (31) is formed in the bottom face of the supporting well ring (2), and the bottom face edge (43) is embedded in the supporting groove (31).

7. The asphalt concrete pavement prefabricated walling crib according to claim 6, wherein: gaps are arranged between the bottom surface groove (42) and the bottom surface edge (43) and the inner side wall of the bottom surface plate (41), and gaps are also arranged between the support groove (31) and the inner side wall of the support well ring (2).

8. A construction method for integrating a prefabricated well ring and a well cover on an asphalt concrete pavement is characterized by comprising the following steps:

s1, building a shaft; building the inspection well body (1), backfilling soil around the inspection well body (1), and enabling the soil around the inspection well body (1) to be lower than the top surface of the inspection well body (1), wherein the top surface of the inspection well body (1) is lower than the ground;

s2, mounting a positioning frame (4), mounting the positioning frame (4) on the ground around the inspection well body (1), and embedding the upper end of the inspection well body (1) in a bottom groove (42) on the positioning frame (4);

s3, pouring support concrete (62) on the outer side of the positioning frame (4), wherein the height of the support concrete (62) is flush with the height of an opening of the buffer slide rail (51);

s4, mounting the supporting well ring (2) and embedding the bottom surface edge (43) on the positioning frame (4) in the supporting groove (31) on the bottom surface of the supporting well ring (2);

s5, installing a support well lid (3), installing the support well lid (3) on the support well ring (2), adjusting the position of the support well lid (3), aligning a well lid threaded hole (35) in the support well lid (3) with a buffer threaded hole (34), and installing a connecting bolt (36);

and S6, constructing the pavement, and continuously constructing the asphalt concrete surface layer between the supporting well ring (2) and the pavement.

Technical Field

The invention relates to the field of municipal road engineering, in particular to an integrated structure of a prefabricated well ring and a well cover of an asphalt concrete pavement and a construction method thereof.

Background

In the present town road, the inspection well is indispensable, and the inspection well is mainly convenient for the periodic inspection of pipe-line system and the maintenance of communication, limited TV, power supply etc. and uses. And in the structure of inspection shaft, the walling crib is indispensable, and the walling crib construction mainly has two kinds of modes among the prior art, and one kind is the walling crib of brick, and this construction mode is more complicated, and has the car when rolling on the road surface and roll the past easy aversion, and another kind is one shot forming's method, and this mode is more convenient, but the adaptability is not strong in actual construction.

For example, chinese patent publication No. CN204803917U discloses a prefabricated concrete manhole ring mounting structure, which sequentially comprises a manhole cover, an asphalt concrete layer, a prefabricated concrete manhole ring, a plain concrete layer, a leveling mortar layer, a brick inner mold, and a shaft from top to bottom; a brick built inner mold formed by stacking single bricks is arranged above the shaft along the inner opening; paving a mortar layer above the brick internal mold; the precast concrete well ring is arranged on the leveling mortar layer; the plain concrete layer is laid along the periphery of the precast concrete well ring, and the height of the plain concrete layer is lower than that of the precast concrete well ring opening; an asphalt concrete layer consisting of a lower asphalt concrete layer, a middle asphalt concrete layer and an upper asphalt concrete layer is sequentially paved above the plain concrete layer; the well lid is fixed on the precast concrete well ring through the well seat

However, when the structure is installed on a road, if a heavy vehicle often runs over, the stress of the precast concrete well ring on the peripheral ground is easily excessive, and the well cover is easily sunk, and the peripheral road surface is cracked and damaged.

Disclosure of Invention

In order to solve the problems that the lower strength of the well cover is insufficient, the well cover is prone to sinking and the peripheral pavement is cracked and broken, the application provides an integrated structure of a prefabricated well ring and the well cover of an asphalt concrete pavement and a construction method of the integrated structure.

The application provides a prefabricated walling crib of asphalt concrete pavement adopts following technical scheme:

a prefabricated well ring for an asphalt concrete pavement comprises an inspection well body, a supporting well ring and a supporting well cover, wherein the inspection well body is arranged on the ground, the opening height of the inspection well body is lower than the ground, the supporting well ring is arranged at the opening of the inspection well body, the supporting well cover is arranged on the upper section surface of the supporting well ring, the outer diameter of the supporting well cover is larger than the outer diameter of the supporting well ring, a positioning frame is arranged on the outer side surface of the supporting well ring, the positioning frame is annular and sleeved on the outer side of the supporting well ring, and the outer diameter of the positioning frame is smaller than the outer diameter of the supporting well cover; install buffer gear on the locating rack, buffer gear is including buffering slide rail and buffering slider, and buffering slide rail fixed mounting is on the locating rack, and the buffering slide rail is the annular and sets up along the outside edge that supports the well lid, and the buffering slider is provided with four at least, and equal fixed mounting is in the edge that supports the well lid, and the equal slidable mounting of buffering slider is on the buffering slide rail.

Through adopting above-mentioned technical scheme, the structure that is less than ground is set to the opening height of inspection shaft, later in lateral surface department fixed mounting who supports the walling crib have the locating rack, install the buffering slide rail on the locating rack, support install on the well lid with buffering slide rail complex buffering slider. When supporting the well lid when being driven by heavy vehicle, the one side of supporting the well lid can receive great pressure earlier, and pressure can transmit the buffering slider who connects on supporting the well lid, transmits to the buffering slide rail after that on to transmit on the locating rack at last. Because the locating rack is sleeved on the outer side of the supporting walling crib, force is finally transmitted to the side face of one side of the supporting walling crib, and the side face of the supporting walling crib supports the supporting manhole cover. Effectively increased the structural strength who supports the well lid, the lower part intensity that is difficult to appear supporting the well lid is not enough, leads to the well lid that arouses to sink and the broken problem of peripheral road surface is cracked.

Optionally, the support well curb outside pour and have supported the concrete, the locating rack buries underground in supporting the concrete with installing the buffering slide rail on the locating rack, the buffering slide rail is spout form and the opening is vertical upwards, the opening of buffering slide rail is adjacent with the bottom surface that supports the well lid, the opening width of buffering slide rail is less than the width of widest part in the buffering slide rail cross section, the buffering slider shape is the same with the cross sectional shape of buffering slide rail to inlay and establish in the buffering slide rail.

Through adopting above-mentioned technical scheme, the support concrete of pouring in the outside of supporting the walling crib, the back is solidified to the support concrete, can fix a position the locating rack of installing in the supporting walling crib outside on the one hand, makes the position of buffering slide rail remain stable, and on the other hand can fix a position the supporting walling crib, makes the phenomenon that the offset damage is difficult to appear in the supporting walling crib. The buffer slide rail is arranged to be in a chute shape, so that the buffer slide block can still well move along the buffer slide rail after the support concrete is poured.

Optionally, the buffering slide rail in install the closing cap board, the closing cap groove has been seted up in buffering slide rail inside wall and the adjacent position department of opening, the closing cap groove is the annular and sets up along buffering slide rail inside wall and the adjacent side of opening, the side of closing cap board inlays to be established in the closing cap groove, has still seted up the closing cap through-hole on the top surface of closing cap board, the buffering slider is installed in the closing cap through-hole.

Through adopting above-mentioned technical scheme, the closing cap board is the annular, inlays to establish after the closing cap inslot when the side of closing cap board, and the closing cap board can rotate along the axis of self to the position of regulation closing cap through-hole that can be convenient, and then make the support well lid more convenient in the installation. And because be provided with the apron, when concreting the support, the support concrete is difficult to drop to the buffering slide rail inboard, is convenient for cushion the slider and removes along buffering slide rail.

Optionally, the top surface of buffering slider on seted up the buffering screw hole, set up the well lid screw hole that quantity equals on the top surface of support well lid, wear to be equipped with connecting bolt in the well lid screw hole, connecting bolt's the other end rotates simultaneously and installs in buffering screw hole, connecting bolt's top surface is not higher than the top surface of support well lid.

Through adopting above-mentioned technical scheme, through connecting bolt, can be simple will support well lid and buffering slider and link together, stable in structure after the installation. When the damage phenomenon appears in the support well lid and the damage phenomenon does not appear in the support walling crib, also can be convenient change, effectively reduce the cost.

Optionally, the locating rack include bottom surface board and outside panel, bottom surface board level setting and be the annular, the outside panel is vertical to be fixed on the bottom surface board, the outside panel is the axis collineation of axis and the bottom surface board of tube-shape and outside panel, the buffering slide rail is located the outside panel and keeps away from one side of inspection shaft body center department.

Through adopting above-mentioned technical scheme, the locating rack sets the mechanism of bottom surface board and outside panel into, and the bottom surface board is held by inspection shaft body and support walling crib, and outside panel is held by support concrete and support walling crib, and whole locating rack stable in structure is difficult to the phenomenon that appears warping. And the locating rack can also play the effect of pouring the template, when pouring the support concrete, stereotype to the support concrete. Because the support walling crib directly contacts the inspection well body, the aging speed of the support walling crib is faster than that of the surrounding support concrete along with frequent overhauling and use of workers. The structure can conveniently replace the supporting walling crib after the supporting walling crib is aged, and the use is more convenient.

Optionally, a bottom groove is concavely arranged on the bottom surface of the bottom panel, and a bottom edge is formed on the top surface of the bottom panel in a protruding manner at the same time by the bottom groove, and the bottom groove is annular; the inspection well comprises an inspection well body and a well ring, wherein the inspection well body is provided with a well body edge on the upper end surface, the well body edge is embedded in a bottom surface groove, a supporting groove is formed in the bottom surface of the supporting well ring, and the bottom surface edge is embedded in the supporting groove.

Through adopting above-mentioned technical scheme, be provided with the well body limit, support the walling crib bottom surface and be provided with the support groove through being provided with on the inspection shaft body to make the bottom surface board when installing between the inspection shaft body and support advance the body, be difficult to take place the dislocation on the horizontal direction.

Optionally, gaps are formed between the bottom surface groove and the bottom surface edge and the inner side wall of the bottom surface plate, and gaps are also formed between the supporting groove and the inner side wall of the supporting well ring.

Through adopting above-mentioned technical scheme, bottom surface groove and bottom surface limit all are located the position of bottom surface board middle department to make the locating rack structure of installing between supporting walling crib and inspection shaft body remain stable, be difficult to appear the phenomenon of position dislocation.

On the other hand, the application also provides a construction method for integrating the asphalt concrete pavement prefabricated well ring and the well cover, which adopts the following technical scheme:

a construction method for integrating a prefabricated well ring and a well cover of an asphalt concrete pavement comprises the following steps:

s1, building a shaft; building an inspection well body, and backfilling soil around the inspection well body to ensure that the height of the soil around the inspection well body is lower than the height of the top surface of the inspection well body, and the height of the top surface of the inspection well body is lower than the height of the ground;

s2, mounting a positioning frame, mounting the positioning frame on the ground around the inspection well body, and embedding the upper end of the inspection well body in a bottom groove on the positioning frame;

s3, pouring supporting concrete on the outer side of the positioning frame, wherein the height of the supporting concrete is flush with the height of the opening of the buffer slide rail;

s4, mounting a supporting walling crib, and embedding the bottom edge of the positioning frame in a supporting groove on the bottom surface of the supporting walling crib;

s5, mounting a support well cover, mounting the support well cover on the support well ring, adjusting the position of the support well cover to align a well cover threaded hole in the support well cover with a buffer threaded hole, and mounting a connecting bolt;

s6, constructing a pavement; and continuously constructing an asphalt concrete surface layer between the supporting well ring and the pavement.

Through adopting above-mentioned technical scheme, at the in-process of construction, the support concrete has been pour in the outside of locating rack to combine prefabricated support walling crib, thereby accomplish the fixed to the locating rack, the phenomenon that the offset damaged is difficult to appear in the locating rack after connecting, thereby makes the buffering slide rail position of connecting on the locating rack keep fixed. Buffering slide rail also with support concrete placement together, the structure is more firm, when can making heavy vehicle pass through, is difficult to the pulling buffering slide rail and warp the damage to stable position that will support the well lid is fixed. The problem that the ground supporting one side of the well cover is sunk, cracked or even damaged due to the fact that one side of the well cover is forcibly pressed down is not easy to occur.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lower part intensity that is difficult to appear supporting the well lid is not enough, leads to the well lid that arouses to sink and the cracked broken problem of peripheral road surface.

2. The structure can conveniently replace the supporting walling crib after the supporting walling crib is aged, and the use is more convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic cross-sectional view of an inspection well body.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Figure 4 is a schematic illustration of the installation of the support collar.

Fig. 5 is an enlarged view of a portion B in fig. 4.

Description of reference numerals: 1. an inspection well body; 11. the well body is arranged; 2. supporting a walling crib; 3. supporting the well cover; 31. a support groove; 32. a well cover ring; 33. a cover body; 34. a buffer threaded hole; 35. a threaded hole of the well cover; 36. a connecting bolt; 4. a positioning frame; 41. a bottom panel; 42. a bottom surface groove; 43. a bottom side; 44. a bottom surface aperture; 45. an outer side panel; 5. a buffer mechanism; 51. buffering the slide rail; 511. a slide rail body; 512. a sliding groove; 52. a buffer slide block; 53. sealing the cover plate; 54. a capping groove; 55. covering the through hole; 6. installing a well ring groove; 61. installing a well body groove; 62. supporting the concrete.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an asphalt concrete pavement prefabricated walling crib. Referring to fig. 1 and 2, the asphalt concrete pavement prefabricated well ring comprises an inspection well body 1, a supporting well ring 2 and a supporting well cover 3. Wherein, inspection well body 1 sets up in the position department that is less than the ground surface, supports 2 fixed mounting of walling crib at the opening part of inspection well body 1, supports 3 lids of well lid and establishes on the top surface of supporting walling crib 2, and supports the top surface and the ground parallel and level of well lid 3.

Referring to fig. 2 and 3, a well edge 11 is integrally formed on the top surface of the manhole body 1, and a positioning frame 4 is mounted on the upper side of the well edge 11. The positioning frame 4 comprises an annular bottom panel 41, the bottom panel 41 is horizontally arranged, a concave bottom groove 42 is punched on the bottom panel 41, the depth of the bottom groove 42 is greater than the thickness of the bottom panel 41, and a bottom edge 43 is formed on the top surface of the bottom panel 41 in a protruding mode. The bottom groove 42 is annular and has the same shape and size as the well body side 11, so that the well body side 11 can be embedded in the bottom groove 42. A group of bottom surface holes 44 are formed in the top surface of the bottom surface edge 43, expansion bolts penetrate through the bottom surface holes 44 and are embedded in the well body edge 11 at the same time, and therefore the bottom surface plate 41 is fixedly connected with the well body edge 11.

Referring to fig. 2 and 3, an outer side panel 45 is welded to the top surface of the bottom panel 41, the outer side panel 45 is cylindrical, and the lower side edge of the outer side panel 45 is disposed along the outer side edge of the bottom panel 41. The outer diameter of the support collar 2 is equal to the inner diameter of the outer side panel 45 and the inner diameter of the support collar 2 is equal to the inner diameter of the bottom panel 41. The support grommets 2 are placed on the upper side of the bottom panel 41 and inside the outer panel 45. An annular supporting groove 31 is formed in the bottom surface of the supporting grommets 2, and after the supporting grommets 2 are installed on the bottom panel 41, the bottom surface edge 43 is embedded in the supporting groove 31, so that the positions of the supporting grommets 2 are fixed. The thickness of the support grommets 2 is the same as the height of the outer side panel 45, so that after the support grommets 2 are installed in the positioning frames 4, the top surfaces of the support grommets 2 are flush with the top surfaces of the positioning frames 4.

Referring to fig. 4 and 5, a damper mechanism 5 is mounted on an outer side surface of the outer side panel 45, and the damper mechanism 5 includes a damper slide rail 51 and a damper slider 52. The buffer slide rail 51 includes a slide rail body 511 and a slide groove 512 formed on an upper side surface of the slide rail body 511. The rail body 511 is ring-shaped and is disposed along the upper side of the outer panel 45. The shape of the slide groove 512 is an inverted T-shaped groove, and the shape of the cushion slider 52 is the same as the shape of the slide groove 512. Four cushion sliders 52 are mounted in the sliding groove 512, and the four cushion sliders 52 are arranged at equal intervals along the sliding groove 512. A sealing cover plate 53 is further installed in the buffer slide rail 51, the sealing cover plate 53 is annular, the inner diameter of the sealing cover plate 53 is slightly smaller than the opening inner diameter of the slide groove 512, and the outer diameter of the sealing cover plate 53 is slightly larger than the opening outer diameter of the slide groove 512. Two inner side walls of the sliding groove 512 are both provided with an annular cover groove 54, and the cover groove 54 is annular and is arranged along the side edge of the inner side wall of the sliding groove 512 adjacent to the opening. The opening width of the capping groove 54 is slightly larger than the thickness of the capping plate 53, so that both the inner side and the outer side of the capping plate 53 can be embedded in the capping groove 54. Four cover through holes 55 are formed in the cover plate 53 at equal intervals, and the top ends of the buffer sliding blocks 52 are embedded in the cover through holes 55.

Referring to fig. 2 and 3, the support well lid 3 includes a well lid ring 32 and a lid 33 hinged to the inner side of the well lid ring 32, and the diameter of the support well lid 3 is larger than the outer diameter of the positioning frame 4. All seted up buffering screw hole 34 on the top surface of buffering slider 52, also seted up four well lid screw hole 35 on the top surface of manhole cover circle 32, four well lid screw hole 35 set up along the equidistant of manhole cover circle 32, and well lid screw hole 35 and buffering screw hole 34 one-to-one. When supporting well lid 3 and placing on supporting walling crib 2, well lid screw hole 35 and the 34 position coincidence of the buffering screw hole that corresponds. All install connecting bolt 36 in the well lid screw hole 35, connecting bolt 36 also installs simultaneously in buffering screw hole 34 to connecting bolt 36's top surface is less than the top surface that supports well lid 3.

The implementation principle of the asphalt concrete pavement prefabricated walling crib in the embodiment of the application is as follows: install locating rack 4 between inspection shaft body 1 and support walling crib 2 to make locating rack 4 fix with support walling crib 2 by the inspection shaft, and then make the buffering slide rail 51 of installing on locating rack 4 fixed. Install buffering slider 52 in the buffering slide rail 51, the position of buffering slider 52 can be adjusted to the adjustment position that makes the support well lid 3 of being connected with buffering slider 52 when the installation, can be convenient. The cover plate 53 arranged on the buffer slide rail 51 can reduce the probability of sundries falling into the buffer slide rail 51.

Through adopting above-mentioned technical scheme, when installation support walling crib 2 and support well lid 3, place locating rack 4 in the well head department of inspection shaft body 1 earlier, later will support walling crib 2 and place on locating rack 4 again. The spacer 4 can be stably fixed by being pressed down by the support grommets 2. Later when the installation supports well lid 3, support that well lid 3 just can be stable fix on locating rack 4. When supporting well lid 3 and installing the back, if have heavy vehicle to drive over on the top surface of supporting well lid 3, when making the one side of supporting well lid 3 receive great pressure, the partial pressure of this one side can be directly transmitted to supporting on the walling crib 2 of supporting the downside of well lid 3. While there is also a tendency for this side supporting the well lid 3 to move downwards. When the side supporting the manhole cover 3 has a tendency to move downwards, the connecting bolts 36 connected to the manhole cover 3 transmit force to the positioning frames 4 located between the supporting manhole ring 2 and the supporting manhole cover 3. Because the bumper slide 51 to which the attachment bolt 36 is attached is located on the outer side panel 45 of the spacer 4, a portion of the force is transmitted from the side to the support lost 2. Support walling crib 2 and compare in peripheral ground, intensity is higher, and then can be stable support the well lid 3, make support well lid 3 remain stable, be difficult to appear because support well lid 3 one side is pushed down hard, lead to supporting well lid 3 and appear sinking, cracking or even damaged problem by the ground of pushing down one side.

The embodiment of the application also discloses a construction method for integrating the asphalt concrete pavement prefabricated well ring and the well cover, which comprises the following steps:

s1, building a shaft; digging an installation well ring groove 6 on the ground in advance, wherein the depth of the installation well ring groove 6 is the same as the thickness of the prefabricated support well ring 2; secondly, excavating an installation well body groove 61 on the bottom surface of the installation well ring groove 6, then building the inspection well body 1 in the installation well body groove 61, backfilling partial soil around the inspection well body 1, and enabling the height of the soil around the inspection well body 1 to be lower than that of the top surface of the inspection well body 1, namely enabling the top surface of the installation well ring groove 6 to be slightly lower than that of the top surface of the inspection well body 1; and the height of the top surface of the inspection well body 1 is lower than the height of the ground.

S2, installing the positioning frame 4, placing the positioning frame 4 on the bottom surface of the installing well ring groove 6, matching the bottom surface groove 42 on the positioning frame 4 with the well body edge 11 on the inspection well body 1, thereby completing the positioning of the positioning frame 4, and meanwhile, fixedly installing the positioning frame 4 on the top surface of the inspection well body 1 through expansion bolts.

S3, pouring supporting concrete 62 on the outer side of the positioning frame 4, and filling the supporting concrete 62 into the installing well ring groove 6 to enable the height of the supporting concrete 62 to be flush with the opening height of the buffering slide rail 51 on the positioning frame 4; after the concrete solidifies, fix by the concrete around the locating rack 4, make locating rack 4 keep stable on the one hand, the phenomenon of difficult appearance deformation, on the other hand makes the ground structure peripheral of inspection shaft body 1 stable.

S4, mounting the supporting walling crib 2, placing the prefabricated supporting walling crib 2 in the positioning frame 4, and embedding the bottom surface edge 43 on the positioning frame 4 in the supporting groove 31 on the bottom surface of the supporting walling crib 2; therefore, the position of the supporting well ring 2 is fixed, and meanwhile, under the clamping of the supporting well ring 2 and poured concrete, the positioning frame 4 is not prone to position deviation.

S5, installing the support well lid 3, placing the support well lid 3 on the support well ring 2, then adjusting the position of the support well lid 3 to align the well lid threaded hole 35 in the support well lid 3 with the buffer threaded hole 34 in the buffer slide block 52, and finally installing the connecting bolt 36 to complete the installation of the support well lid 3;

s6, constructing a pavement; and constructing an asphalt concrete surface layer between the supporting well ring 2 and the pavement.

Through adopting above-mentioned technical scheme, at the in-process of construction, support concrete 62 has been pour in the outside of locating rack 4 to combine prefabricated support walling crib 2, thereby accomplish the fixed to locating rack 4, locating rack 4 is difficult to appear the phenomenon that the offset damaged after connecting, thereby makes the buffering slide rail 51 position of connecting on locating rack 4 keep fixed. Buffering slide rail 51 also pours together with support concrete 62, and the structure is more firm, can make heavy vehicle pass through in, is difficult to stimulate buffering slide rail 51 and warp the damage to stable position that will support well lid 3 is fixed. The problem that the ground supporting the well lid 3 is pressed down due to the fact that one side of the well lid 3 is pressed down forcibly, and the ground supporting the well lid 3 sinks, cracks and even is damaged is not easy to occur.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.