CN112982492A - Quick mounting structure of bituminous paving prefabricated inspection walling crib - Google Patents

Abstract

The utility model relates to a quick mounting structure of prefabricated inspection walling crib in bituminous paving, including connecting in section of thick bamboo upper end face outer lane, connecting inner circle in the outer lane, circle to be connected with and be used for covering section of thick bamboo open-ended well lid, the outer lane outer wall is fixed with a plurality of positioning networks that are the level setting and pre-buried in pitch, it is adjacent to be provided with the connection on the positioning network a plurality of stiffeners of positioning network, be provided with a plurality of supports on the positioning network the supporting component of positioning network. And after the outer ring and the positioning net are installed, pouring asphalt to enable the upper surface of the positioning net and the upper surface of the outer ring to be flush with the ground. The inspection well cover has the advantage that the possibility of road surface collapse around the inspection well cover is reduced.

Description

Quick mounting structure of bituminous paving prefabricated inspection walling crib

Technical Field

The application relates to the field of municipal road engineering, in particular to a quick mounting structure for a prefabricated inspection well ring of an asphalt pavement.

Background

The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is convenient for regular inspection of the attached structures. The inspection shaft generally includes concrete placement's stack shell, is connected with the walling crib at the last port of stack shell, in order to prevent that new people from dropping into the inspection shaft, can set up the inspection shaft lid that is used for covering the inspection shaft well head on the walling crib.

In chinese patent publication No. CN207211205U, an inspection well cover kit is disclosed, which comprises: the inspection well cover bearing seat is matched with the inspection well cover bearing seat, the inspection well cover is movably provided with an L-shaped swing arm through a center, and the edge of the lower end of the inspection well cover is also fixedly provided with a clamping arm; and a positioning assembly is fixedly arranged on the inner side wall of the inspection well cover bearing seat.

In view of the above-mentioned related technologies, the inventor believes that the problems of crack and damage of the road surface, settlement and depression around the manhole, bumping and bumping of the manhole cover and bumping of the manhole cover often occur around the manhole cover assembly, which affects the comfort and safety of driving, and affects the firmness and stability of the manhole seat on the manhole.

Disclosure of Invention

In order to reduce the inspection shaft lid around the road surface the broken possibility of chapping appear, this application provides a quick mounting structure of prefabricated inspection walling crib of bituminous paving.

The application provides a pair of quick mounting structure of bituminous paving prefabricated inspection walling crib adopts following technical scheme:

the utility model provides a quick mounting structure of prefabricated inspection walling crib in bituminous paving, is including connecting in barrel head end face outer lane, connecting inner circle in the outer lane, circle to be connected with and be used for covering barrel open-ended well lid, the outer lane outer wall is fixed with a plurality of positioning network that are the level setting and pre-buried in pitch, it is adjacent to be provided with on the positioning network to connect a plurality of stiffeners of positioning network, be provided with a plurality of supports on the positioning network the supporting component of positioning network.

Through adopting above-mentioned technical scheme, install the outer lane on the barrel, act on supporting component, make supporting component play the supporting role to the positioning network, reduce the positioning network and produce the possibility of rocking because of the atress is uneven, positioning network and outer lane have been installed, pour pitch, make pitch enter into the space between the positioning network, thereby make positioning network and pitch form a whole, reduce the possibility that the road surface sinks around the outer lane, after the outer lane has been installed, install the inner circle in the outer lane, and circle including covering the well lid, thereby accomplish the installation.

Optionally, the supporting component is including fixing a support section of thick bamboo that just is vertical setting on the position net, wear to be equipped with the bracing piece in the support section of thick bamboo, bracing piece threaded connection in but the lower extreme butt plays the supporting role at the bottom of the ground and to the position net in the support section of thick bamboo.

By adopting the technical scheme, the supporting rod is rotated, the lower end of the supporting rod is abutted to the solid ground, the supporting rod plays a certain supporting and positioning role on the positioning net, the breakage of the outer ring and the cylinder body at the joint part due to uneven stress of the positioning net is reduced, and the possibility of cracking around the cylinder body is reduced.

Optionally, the lower end of the supporting rod is rotatably connected with a supporting plate which is horizontally arranged, a positioning cylinder is fixed on the upper surface of the supporting plate, a positioning disc which is positioned in the positioning cylinder and can rotate relative to the positioning cylinder is fixed at the lower end of the supporting rod, and the supporting rod is sleeved with a positioning end cover which is in threaded connection with the supporting cylinder and prevents the positioning disc from being separated from the positioning cylinder.

By adopting the technical scheme, the positioning disc is positioned in the positioning cylinder and can rotate relative to the positioning cylinder, the supporting rod can continue to rotate when the supporting plate is abutted against the solid ground bottom, so that the supporting rod moves downwards, and the supporting rod rotates relative to the supporting plate, so that the supporting plate is conveniently abutted against the solid ground bottom.

Optionally, a plurality of connecting rods are fixed on the upper end face of the barrel body along the circumferential direction, a connecting block is fixed on the upper end face of each connecting rod, a connecting ring is fixed on the inner wall of the outer ring and abutted against the upper end face of the barrel body, a limiting ring coaxial with the connecting ring is arranged in the outer ring of the upper surface of the connecting ring in a sliding manner, a connecting groove penetrating through the connecting ring and the limiting ring is formed in the limiting ring along the axial direction, a limiting groove penetrating through the connecting ring and the connecting groove and communicated with the connecting groove is formed in the limiting ring along the circumferential direction, the connecting rods can be clamped in the limiting groove in a sliding manner, and a limiting component abutting against the upper end face of the limiting ring is arranged in the outer ring.

Through adopting above-mentioned technical scheme, install the outer lane on the stack shell, make the connecting block pass the spread groove to make the connecting rod wear to establish in the spread groove, rotate outer lane and spacing ring, make the connecting rod joint to the spacing inslot, prevent that the outer lane from breaking away from the stack shell because of following axial motion, act on spacing subassembly, make spacing ring upward movement, thereby make the connecting block support tightly at the up end of spacing ring, and then realize the fixed connection of outer lane on the stack shell.

Optionally, a plurality of rotating grooves penetrating through the limiting ring are formed in the limiting ring along the circumferential direction, the limiting assembly comprises a limiting rod penetrating through the rotating grooves, the lower end of the limiting rod is connected to the connecting ring in a threaded manner, and a butting ring abutting against the lower end face of the limiting ring is fixed on the outer wall of the limiting rod.

Through adopting above-mentioned technical scheme, rotate outer lane and spacing ring, make the connecting rod joint to the spacing inslot, rotate the gag lever post, make the gag lever post drive butt pole upward movement to make the butt ring support the lower surface of tight at the spacing ring, thereby realize the connection of outer lane on the stack shell, prevent that the outer lane from moving in the vertical direction for the stack shell.

It is optional, outer lane up end has seted up the ladder groove along the axial is coaxial, the inner circle butt is in on the ladder groove, ladder inslot wall is along radially having seted up a plurality of guide slots, the inner circle outer wall is fixed with the joint that slides and is in guide block in the guide slot, a plurality of joint grooves have radially been seted up to the guide block, seted up in the guide slot with the joint hole that the joint groove corresponds, wear to be equipped with joint pole and promotion in the joint inslot the joint pole inserts the downthehole joint spring of joint, the drive groove with joint groove intercommunication is radially seted up to the guide block up end, be fixed with on the guide block and be located actuating lever in the drive groove.

Through adopting above-mentioned technical scheme, install the ladder inslot with the inner circle, the joint pole is downthehole to the joint under the effect of joint spring to realize the fixed connection of inner circle on the outer lane.

Optionally, a plurality of mounting grooves have been seted up along the axial to the inner circle inner wall, the slip joint has the installation piece in the mounting groove, be fixed with the installation pole on the installation piece, installation pole end fixing has the locating piece of connecting a plurality of installation poles and being used for supporting the well lid, the mounting groove lower extreme has been seted up along circumference and has been linked together and can be used to the joint with the mounting groove the constant head tank of installation piece.

Through adopting above-mentioned technical scheme, be provided with the installation piece in the mounting groove, be provided with the locating piece of connecting a plurality of installation poles on the installation piece, rotate the locating piece, make the locating piece drive the installation piece joint to the constant head tank in, prevent that the installation piece from along axial motion for the inner circle, the locating piece plays supporting role to the well lid simultaneously, reduces to lead to collapsing downwards because of the well lid atress is too big.

Optionally, threaded connection has the support screw who is vertical setting on the locating piece, it is in to rotate on the support screw the support disk of terminal surface under the well lid is connected with the butt.

Through adopting above-mentioned technical scheme for can produce certain error in process of production, in order to avoid the well lid to support tightly on the locating piece because of the well lid lower surface in the installation, lead to the well lid upper surface can't flush with ground or the locating piece can't play the supporting role to the well lid, rotatable supporting screw makes the supporting disk move in vertical direction, thereby the well lid upper surface flushes with ground when the supporting disk plays the supporting role to the well lid.

Optionally, the shaft cover up end has seted up along the axial and has run through the operation groove of well lid, the supporting screw upper end is fixed with and is located the operation inslot just is convenient for rotate the operation piece of supporting screw.

Through adopting above-mentioned technical scheme, the setting in operation groove is convenient for install well lid back adjust the position in vertical side of supporting disk in well lid top to the supporting disk can play the supporting role to the well lid.

Optionally, the terminal surface is opened under the well lid has the circular shape groove of stepping down, step down the groove with the operation groove is coaxial, the supporting disk with it is connected with the theftproof dish to rotate on the supporting screw between the operation piece, the theftproof dish outer wall is fixed with a plurality of couples, step down inslot wall be fixed with the link of couple one-to-one rotates the couple makes the couple hookup arrives on the link.

Through adopting above-mentioned technical scheme, circle in installing the well lid, make the supporting disk play the supporting role to the well lid, rotate the theftproof dish, on the couple hook that makes on the theftproof dish connects the link, make the well lid unable move in vertical direction, reduce the stolen possibility of well lid.

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

the outer ring is installed on the barrel body by workers, the supporting rod is rotated to move the supporting rod downwards, the supporting plate plays a supporting role on the positioning net, asphalt is poured to enter gaps among the positioning nets, the positioning nets and the asphalt are integrated, the possibility of collapse around the well lid is reduced, the inner ring is installed in the outer ring, and the well lid is covered on the inner ring;

the anti-theft disk is rotated, so that the hook on the anti-theft disk is hooked on the hanging ring on the well lid, and the possibility of stealing the well lid is further reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a support assembly according to an embodiment of the present application.

FIG. 3 is a schematic view of a connection structure of an inner ring and an outer ring according to an embodiment of the present application.

Fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 3 according to an embodiment of the present application.

FIG. 5 is a schematic view of a connection structure of the well lid and the inner ring in the embodiment of the application.

Fig. 6 is a schematic structural diagram of the lower surface of the well lid in the embodiment of the application.

Description of reference numerals: 1. a barrel body; 2. an outer ring; 3. an inner ring; 4. a well cover; 5. positioning a net; 6. a reinforcing bar; 7. a reinforcing plate; 8. a support cylinder; 9. a support bar; 10. a support plate; 11. a positioning cylinder; 12. positioning a plate; 13. positioning the end cover; 14. a connecting rod; 15. connecting blocks; 16. a connecting ring; 17. a limiting ring; 18. connecting grooves; 19. a limiting groove; 20. a rotating groove; 21. a limiting rod; 22. a limiting block; 23. a butting ring; 24. a stepped groove; 25. a guide groove; 26. a guide block; 27. a clamping groove; 28. a clamping hole; 29. a clamping and connecting rod; 30. clamping a spring; 31. a drive slot; 32. a drive rod; 33. mounting grooves; 34. mounting blocks; 35. positioning blocks; 36. positioning a groove; 37. a support screw; 38. a support disc; 39. an operation slot; 40. an operation block; 42. a yielding groove; 43. an anti-theft disk; 44. hanging a ring; 45. hooking; 46. and (5) installing a rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses quick mounting structure of bituminous paving prefabricated inspection walling crib. Referring to fig. 1 to 3, a quick mounting structure of prefabricated inspection shaft circle of bituminous paving, including connect at 1 up end of stack shell and inside hollow outer lane 2, connect in outer lane 2 and inside hollow inner circle 3 and connect on inner circle 3 and be used for sheltering from 3 open-ended well lids 4 of inner circle, well lid 4, outer lane 2 and 3 up end of inner circle all flush with ground.

Referring to fig. 1 and 2, a plurality of positioning nets 5 coaxial with outer lane 2 are welded at 2 outer walls of outer lane, the welding has a plurality of stiffeners 6 of connecting two positioning nets 5 between two positioning nets 5, the upper surface that is located the positioning net 5 of top flushes with the subaerial surface, the welding has a plurality of reinforcing plates 7 that are the level setting on the reinforcing net that lies in the below, reinforcing plates 7 are evenly distributed along positioning net 5 circumference on same layer of positioning net 5, set up the supporting component who plays supporting role to positioning net 5 on reinforcing plate 7.

Referring to fig. 1 and 2, the supporting component includes a supporting cylinder 8 that vertically runs through a plurality of reinforcing plates 7, a supporting cylinder 8 is welded on the reinforcing plates 7, a supporting rod 9 that the size is longer than the supporting cylinder 8 is penetrated in the supporting cylinder 8, a supporting plate 10 that is the level setting is connected with in the rotation of the lower extreme of the supporting rod 9, coaxial welding of the upper surface of the supporting plate 10 has a location cylinder 11 of vertical setting, the welding of the lower extreme of the supporting rod 9 has a positioning disk 12 that is located in the location cylinder 11, the positioning disk 12 can use the axis of the supporting rod 9 to rotate as the axle for the location cylinder 11, the supporting rod 9 is sleeved with a positioning end cover 13, the threaded connection of the positioning end cover 13 is on the location cylinder 11. The supporting rod 9 is rotated to enable the supporting rod 9 to move downwards, the supporting plate 10 is abutted against the solid ground bottom to support the positioning net 5, asphalt is poured into the positioning net 5, the upper surface of the positioning net 5 at the upper end is flush with the upper surface of the asphalt pavement, the positioning net 5 and the asphalt pavement are integrated, and the possibility of cracking, damage and settlement of the asphalt pavement around the barrel body 1 is reduced.

Referring to fig. 3 and 4, a plurality of connecting rods 14 are embedded in the upper end surface of the barrel body 1, the connecting rods 14 are arranged on the barrel body 1 along the circumferential direction, connecting blocks 15 perpendicular to the connecting rods 14 are welded on the upper end surface of the connecting rods 14, a connecting ring 16 abutting against the upper end surface of the barrel body 1 is fixed on the inner wall of the outer ring 2, the inner wall of the outer ring 2 abuts against the outer wall of the barrel body 1, a limit ring 17 capable of sliding in the vertical direction is coaxially arranged in the outer ring 2, the outer wall of the limit ring 17 abuts against the inner wall of the outer ring 2 and is positioned above the connecting ring 16, connecting grooves 18 penetrating through the connecting ring 16 and the limit ring 17 are axially arranged on the connecting ring 16 and the limit ring 17, the connecting blocks 15 can penetrate through the connecting grooves 18 to expose the upper surface of the limit ring 17, limit grooves 19 penetrating through the connecting ring 16 and the connecting grooves 18 along the circumferential direction are arranged on the connecting ring 16, the outer ring 2 is installed on the cylinder body 1, the connecting block 15 penetrates through the connecting groove 18 to be exposed out of the upper surface of the limiting ring 17, the outer ring 2 and the limiting ring 17 are rotated, the connecting rod 14 is clamped in the limiting groove 19, and the outer ring 2 is prevented from being separated from the cylinder body 1 due to axial movement.

Referring to fig. 3 and 4, a plurality of rotating grooves 20 that run through the upper and lower surface of spacing ring 17 are seted up along circumference on spacing ring 17, be provided with the spacing subassembly that makes connecting block 15 butt at the spacing ring 17 up end in outer lane 2, spacing subassembly is including wearing to establish the gag lever post 21 in rotating groove 20, gag lever post 21 threaded connection is on go-between 16, the welding has the gag lever post 21 pivoted stopper 22 of being convenient for in gag lever post 21 upper end, the welding of gag lever post 21 outer wall between spacing ring 17 and go-between 16 has the butt ring 23 that is the level setting, rotate stopper 22, gag lever post 21 drives butt ring 23 upward movement, make butt ring 23 support tightly at gag lever post 17 lower extreme, thereby realize the connection of outer lane 2 on stack shell 1, prevent that outer lane 2 from moving for stack shell 1.

Referring to fig. 3 and 4, a stepped groove 24 coaxial with the outer ring 2 is coaxially formed on the upper end surface of the outer ring 2 along the axial direction, a plurality of guide grooves 25 penetrating to the upper end surface of the outer ring 2 are axially formed on the inner wall of the stepped groove 24, the projection of the inner ring 3 in the vertical direction is stepped, the outer wall of the inner ring abuts against the inner wall of the outer ring 2, guide blocks 26 corresponding to the guide grooves 25 and slidably engaged in the corresponding guide grooves 25 are integrally formed on the outer wall of the inner ring 3, the inner ring 3 is mounted on the outer ring 2, the inner ring 3 abuts against the stepped groove 24, the guide blocks 26 abut against the bottom wall of the guide grooves 25, a plurality of engaging grooves 27 are radially formed on the side wall of the guide blocks 26 along the inner ring 3, engaging holes 28 corresponding to the engaging grooves 27 are radially formed in the guide grooves 25, when the lower surface of the inner ring 3 abuts against the stepped groove 24, the engaging grooves 27 are aligned with the engaging holes 28, the catching spring 30 has one end welded in the catching groove 27 and the other end welded at the end of the catching rod 29 and pushes the catching rod 29 to be inserted into the catching hole 28. A driving groove 31 communicated with the clamping groove 27 is formed in the upper end face of the guide block 26 along the radial direction of the inner ring 3, a driving rod 32 is welded on the guide block 26, and the driving rod 32 is located in the driving groove 31 and is convenient to act on the clamping rod 29 to be separated from the clamping hole 28.

Referring to fig. 3 and 5, a plurality of mounting grooves 33 have been seted up along the axial at the inner wall of inner circle 3, mounting groove 33 runs through to the inner circle 3 up end, the sliding clamping has installation piece 34 in mounting groove 33, the welding has installation pole 46 on installation piece 34, installation pole 46 one end welding is on installation piece 34, the welding of the other end has locating piece 35, locating piece 35 connects a plurality of installation poles 46, locating piece 35 is the cylinder section of thick bamboo and coaxial with inner circle 3, a plurality of constant head tanks 36 that correspond with mounting groove 33 have been seted up along circumference at inner circle 3 inner wall, constant head tank 36 communicates with mounting groove 33 is perpendicular at the mounting groove 33 lower extreme, it makes installation piece 34 joint to prevent installation piece 34 along axial motion in constant head tank 36 to rotate installation piece 34, threaded connection has the support screw 37 that is vertical setting on locating piece 35, be provided with the supporting disk 38 that plays supporting role to.

Referring to fig. 5 and 6, an operation groove 39 penetrating through the well lid 4 is axially formed in the center of the upper end face of the well lid 4, the operation groove 39 is coaxial with the well lid 4, an operation block 40 which is positioned in the operation groove 39 and facilitates rotation of the support screw 37 is welded at the upper end of the support screw 37, and the support plate 38 is rotatably connected to the support screw 37 and can support the axis of the support screw 37 to rotate as a shaft. Open at well lid 4 lower terminal surface has circular shape groove 42 of stepping down, it is coaxial and the diameter is greater than operation groove 39 and is less than supporting disk 38 to step down groove 42 and operation groove 39, it is connected with theftproof dish 43 to rotate on supporting disk 37 between supporting disk 38 and operation piece 40, theftproof dish 43 is the level setting and can support the screw 37 axis and rotate as the axle, it has a plurality of couples 45 to weld at theftproof dish 43 outer wall, it has link 44 with couple 45 one-to-one to weld at the groove 42 inner wall of stepping down, it makes couple 45 hook-joint to link 44 to rotate theftproof dish 43, theftproof dish 43 diameter is greater than operation groove 39 diameter, make can't observe couple 45 from well lid 4 top, reduce the stolen possibility of well lid 4.

The implementation principle of the quick mounting structure of the asphalt pavement prefabricated inspection well ring is as follows: the outer ring 2 is firstly installed on the barrel body 1 by a worker, the connecting rod 14 is inserted into the connecting groove 18, the outer ring 2 and the limiting ring 17 are rotated, the connecting rod 14 is clamped into the limiting groove 19, and the supporting screw 37 is rotated to enable the abutting ring 23 to abut against the lower end face of the limiting ring 17, so that the outer ring 2 is connected with the barrel body 1; the supporting rod 9 is rotated to enable the supporting rod 9 to move downwards, the supporting plate 10 plays a supporting role in supporting the positioning net 5, asphalt is poured, the asphalt enters a gap between the positioning nets 5, the positioning net 5 and the asphalt are integrated, the possibility of collapse around the well lid 4 is reduced, the inner ring 3 is installed in the outer ring 2, and the well lid 4 is covered on the inner ring 3.

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.

Claims (10)

1. The utility model provides a quick mounting structure of prefabricated inspection walling crib in bituminous paving, is including connecting at stack shell (1) up end outer lane (2), connecting inner circle (3) in outer lane (2), be connected with on inner circle (3) and be used for covering stack shell (1) open-ended well lid (4), its characterized in that: outer lane (2) outer wall is fixed with a plurality of positioning network (5) that are the level setting and pre-buried in pitch, it is adjacent to be provided with the connection on positioning network (5) a plurality of stiffener (6) of positioning network (5), be provided with a plurality of supports on positioning network (5) the supporting component of positioning network (5).

2. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 1, is characterized in that: the supporting component comprises a supporting cylinder (8) which is fixed on the positioning net (5) and vertically arranged, a supporting rod (9) is arranged in the supporting cylinder (8) in a penetrating mode, the supporting rod (9) is connected with threads of the supporting cylinder (8) in a supporting mode, the lower end of the supporting cylinder can be abutted to the ground bottom, and the supporting component plays a supporting role in supporting the positioning net (5).

3. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 2, is characterized in that: the utility model discloses a supporting rod, including bracing piece (9), bracing piece (9) lower extreme rotate be connected with backup pad (10) that are the level and set up, surface mounting has a location section of thick bamboo (11) on backup pad (10), bracing piece (9) lower extreme is fixed with and is located in a location section of thick bamboo (11) and relative location section of thick bamboo (11) pivoted positioning disk (12), threaded connection has been cup jointed on bracing piece (9) support on section of thick bamboo (8) and prevent positioning disk (12) break away from the location end cover (13) of a location section of thick bamboo (11).

4. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 1, is characterized in that: be fixed with a plurality of connecting rods (14) along circumference at stack shell (1) up end, connecting rod (14) up end is fixed with connecting block (15), outer lane (2) inner wall is fixed with butt in go-between (16) of stack shell (1) up end, the outer lane (2) internal slipping of go-between (16) upper surface be provided with go-between (16) coaxial spacing ring (17), go-between (16) with set up along the axial on spacing ring (17) and run through go-between (16) and spacing ring (17) spread groove (18), go-between (16) with set up along circumference on spacing ring (17) and run through go-between (16) and spread groove (18) and with spacing groove (19) of spread groove (18) intercommunication, connecting rod (14) joint to can slide in spacing groove (19), be provided with in the outer lane (2) and make connecting block (15) butt is in the spacing ring (17) up end's of spacing ring (17) up end spacing groove (19) butt And (6) assembling.

5. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 4, is characterized in that: the limiting device is characterized in that a plurality of rotating grooves (20) penetrating through the limiting ring (17) are formed in the limiting ring (17) along the circumferential direction, the limiting assembly comprises a limiting rod (21) penetrating through the rotating grooves (20), the lower end of the limiting rod (21) is in threaded connection with the connecting ring (16), and an abutting ring (23) abutting against the lower end face of the limiting ring (17) is fixed on the outer wall of the limiting rod (21).

6. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 1, is characterized in that: the upper end surface of the outer ring (2) is coaxially provided with a stepped groove (24) along the axial direction, the inner ring (3) is abutted against the stepped groove (24), a plurality of guide grooves (25) are radially arranged on the inner wall of the stepped groove (24), a guide block (26) which is slidably clamped in the guide grooves (25) is fixed on the outer wall of the inner ring (3), the guide block (26) is provided with a plurality of clamping grooves (27) along the radial direction, clamping holes (28) corresponding to the clamping grooves (27) are arranged in the guide groove (25), a clamping rod (29) and a clamping spring (30) for pushing the clamping rod (29) to be inserted into the clamping hole (28) are arranged in the clamping groove (27) in a penetrating way, the upper end surface of the guide block (26) is radially provided with a driving groove (31) communicated with the clamping groove (27), and a driving rod (32) positioned in the driving groove (31) is fixed on the guide block (26).

7. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 1, is characterized in that: a plurality of mounting grooves (33) have been seted up along the axial to inner circle (3) inner wall, the slip joint has installation piece (34) in mounting groove (33), be fixed with installation pole (46) on installation piece (34), installation pole (46) end fixing has locating piece (35) of connecting a plurality of installation poles (46) and being used for supporting well lid (4), mounting groove (33) lower extreme is seted up along circumference and is communicated and can be used to the joint with mounting groove (33) constant head tank (36) of installation piece (34).

8. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 7, is characterized in that: threaded connection has support screw (37) that are vertical setting on locating piece (35), it is in to rotate on support screw (37) is connected with the butt support disk (38) of terminal surface under well lid (4).

9. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 8, is characterized in that: well lid (4) up end has seted up along the axial and has run through operation groove (39) of well lid (4), support screw (37) upper end is fixed with and is located in operation groove (39) and be convenient for rotate the operation piece (40) of support screw (37).

10. The structure for quickly installing the asphalt pavement prefabricated inspection well ring according to claim 9, is characterized in that: well lid (4) lower terminal surface is opened has circular shape groove of stepping down (42), step down groove (42) with operation groove (39) are coaxial, supporting disk (38) with it is connected with anti-theft dish (43) to rotate on supporting screw (37) between operation piece (40), anti-theft dish (43) outer wall is fixed with a plurality of couples (45), step down groove (42) inner wall be fixed with link (44) of couple (45) one-to-one rotate couple (45) make couple (45) hook-up arrives on link (44).

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