CN105040739A - Shock absorption type inspection well lid assembly - Google Patents
Shock absorption type inspection well lid assembly Download PDFInfo
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- CN105040739A CN105040739A CN201510309501.2A CN201510309501A CN105040739A CN 105040739 A CN105040739 A CN 105040739A CN 201510309501 A CN201510309501 A CN 201510309501A CN 105040739 A CN105040739 A CN 105040739A
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- inspection well
- ring
- well cover
- well lid
- shock
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Abstract
The invention relates to the technical field of inspection well lids and discloses a shock absorption type inspection well lid assembly. The shock absorption type inspection well lid assembly comprises a circular inspection well seat and an inspection well lid. The inner ring of the upper end of the inspection well seat protrudes upwards to form a protruding ring. A connecting ring is arranged at the lower end of the inspection well lid. Bolt holes are formed in the top of the protruding ring. Counter bored holes are formed in the inspection well lid. Bolts connected with the bolt holes are arranged in the counter bored holes. A supporting ring is arranged at the upper end of the inner ring of the protruding ring. The upper end face of the supporting ring is a conic face. A reinforcing ring is arranged on the bottom face of the inspection well lid. The outer side face of the reinforcing ring makes contact with and supports the conic face of the supporting ring. The portion, located in the reinforcing ring, of the bottom of the inspection well lid is provided with staggered reinforcing ribs. The outer ends of the reinforcing ribs are connected with the reinforcing ring. Criss-cross grooves are formed in the top face of the inspection well lid. Shock absorption strips are arranged in the grooves. The upper sides of the shock absorption strips protrude out of the top face of the inspection well lid. The strength of the inspection well lid is large, so that when an automobile rolls on the inspection well lid, the shock absorption effect is achieved through the shock absorption strips, the inspection well lid is protected, and the service life of the inspection well lid is prolonged.
Description
Technical field
The present invention relates to inspection well cover technical field, particularly relate to a kind of shock-absorbing type inspection well cover assembly.
Background technology
A lot of underground pipeline is had in urban construction, such as sewer, underground gas pipeline, water supply pipe, power pipe, communication conduit, national defence pipeline etc., these pipelines will have an outlet of leading to ground every one section, inspection shaft is called to this section on ground by pipeline, catch pit port is usually concordant with ground, therefore need a lid, be used for the lid of lid inspection shaft, be inspection well cover.Inspection well cover is made with materials such as reinforced concrete, metal, reinforced plastics usually, and shape is based on circular and square.A complete inspection well cover assembly all comprises inspection well seat, inspection well cover two parts, needs to open inspection well cover to during the maintenance such as the cable in sewer, water pipe; A lot of inspection well cover is generally arranged in the middle of road, is subject to automobile for a long time and rolls, and can extrude, collides when automobile rolls between inspection well cover and inspection well seat, the easy cracking damage of inspection well cover.
Summary of the invention
The present invention in order to solve the aforementioned problems in the prior, provide a kind of can slow down automobile roll bring inspection well cover, the vibrations between inspection well seat, collision, improve the shock-absorbing type inspection well cover assembly in inspection well cover application life.
To achieve these goals, the present invention adopts following technical scheme:
A kind of shock-absorbing type inspection well cover assembly, comprise circular inspection well seat, inspection well cover, the side, outer ring of described inspection well seat is provided with pre-buried ring, described inspection well seat upper end inner ring raises up formation bulge loop, the lower end of described inspection well cover is provided with the connecting ring be rotatablely fastened on bulge loop, the top of described bulge loop is provided with some bolts hole, described inspection well cover is provided with counterbore, the anti-theft bolt be connected with bolt hole is provided with in counterbore, described bulge loop inner ring upper end is provided with support ring, the upper surface of support ring is the conical surface, the bottom surface of described inspection well cover is provided with reinforcing ring, taper-face contact on the lateral surface of described reinforcing ring and support ring supports, the position that the bottom of described inspection well cover is positioned at reinforcing ring is provided with staggered reinforcing rib, the outer end of described reinforcing rib is connected with reinforcing ring, the end face of described inspection well cover is provided with and adds wrong groove in length and breadth, bottom portion of groove is provided with some spacing holes, shock absorption strip is provided with in described groove, the downside of described shock absorption strip is provided with the limited post coordinated with spacing hole, inspection well cover end face is protruded in the upside of described shock absorption strip.
Pre-buried ring is imbedded in the cement of catch pit port, and inspection well cover is connected with inspection well seat rotary fastening, then is located by anti-theft bolt, and anti-theft bolt is difficult to by common spanner, tool ejector, needs special tooling just can open, has good anti-theft function; Reinforcing ring on inspection well cover bottom surface is pressed on support ring, support ring is for bearing the pressure on inspection well cover, reinforcing rib, reinforcing ring increase inspection well cover self-strength, when inspection well cover middle part is subject to larger pressure, pressure energy passes to reinforcing ring by reinforcing rib, support finally by support ring, thus enhance the compressive property of inspection well cover greatly, improve its application life; When automobile rolled inspection well cover, can there is deformation in the shock absorption strip on inspection well cover, thus play cushioning effect, reduces the collision between inspection well cover and inspection well seat, play a protective role to inspection well cover, extends the life-span of inspection well cover.
As preferably, the outside of described bulge loop is evenly provided with some spacing block sets, the inner side of connecting ring is circumferentially provided with the some sections of stopper slots coordinated with spacing block set, one end of each stopper slot is provided with throughly with connecting ring lower end dodges breach, dodges the position of breach and the position one_to_one corresponding of spacing block set.During installation, position limiting convex ring stretches in stopper slot from dodging indentation, there, and inspection well cover rotates an angle, makes counterbore and bolt hole to it, and positive stop lug boss staggers with inevitable breach simultaneously, and be then bolted, inspection well cover can not be opened because of bolt looseness by mistake.
As preferably, the inner ring lower end edge of described inspection well seat is circumferentially with some hooks, hook is hung with anti-fall separation net.Just in case inspection well cover is stolen or when not installing new inspection well cover in time when changing, anti-fall separation net can effectively prevent pedestrian from falling.
As preferably, the top of described spacing block set is provided with positioning convex strip, the upper side of described stopper slot is provided with the detent coordinated with spacing raised line, when inspection well cover to be connected with bulge loop and rotate to counterbore be communicated with bolt hole time, positioning convex strip just in time snaps in detent.Spacing block set snaps in stopper slot, positioning convex strip snaps in detent, double limitation, when needing to open inspection well cover, needs first to open bolt, then inspection well cover being put forward one end distance, positioning convex strip and detent are thrown off, then rotates an angle, positioning convex strip is moved to and dodges indentation, there, finally whole inspection well cover is pulled out, this kind of specific unfolding mode, is also difficult to inspection well cover to take off even if thief destroys bolt, makes this kind of inspection well cover have good anti-theft function.
As preferably, described inspection well seat upper end is provided with cannelure, annular light-transmission tube is provided with in described cannelure, some LED light are provided with in annular light-transmission tube, the top of described cannelure is provided with euphotic cover plate, the outside of described bulge loop is provided with proximity transducer, described proximity transducer and to outer end inside connecting ring, the below that described bulge loop lower end is positioned at proximity transducer is provided with some drain holes be communicated with inspection well seat inwall, when inspection well cover and inspection well seat depart from, LED light is in open mode.When inspection well cover and inspection well seat depart from; proximity transducer does not receive signal; LED light is opened, thus forms aperture around catch pit port, and the position of aperture instruction is exactly the position of catch pit port; at night or rainy weather; to the warning function of pedestrian clearly, prevent pedestrian from crashing in inspection shaft, annular light-transmission tube plays a protective role to LED light; and euphotic cover plate plays a protective role to annular light-transmission tube, prevent LED light from damaging, lost efficacy.
As preferably, described pre-buried ring is provided with some long slot bores.When inspection well seat is pre-buried, cement can enter the position between pre-buried ring in long slot bore, and ensure that cement fills, inspection well seat is pre-buried more stable.
As preferably, described anti-theft bolt comprises stud, is located at the bolt head of stud upper end, the upper end of described bolt head is provided with catch, the upper-end part of driving of bolt head is provided with the polyhedron of clamping position when rotating for stud, polyhedral outside is arranged with sliding sleeve, and the link of described stud and bolt head is provided with sheath, is provided with stage clip in sheath, the upper end of stage clip and the lower end in contact of sliding sleeve, be provided with annular breach between the upper end of described sliding sleeve and catch.The bolt that this kind refers in particular to loads after in counterbore, common people have no way of from outside opening bolt at all, only have and coordinate special frock ability rotating bolt, special frock snaps in annular breach from both sides together, sliding sleeve is squeezed and moves down, thus polyhedron is exposed, and special frock inner portion blocks polyhedron, then stud is driven to rotate, unthread bolts; Sheath can also play the effect of pad.
As preferably, described sheath and sliding sleeve matched in clearance, the lower end outside of described sliding sleeve is provided with the first sealing ring for sealing with sheath inner ring, and the upper end of described sliding sleeve is provided with the second sealing ring for sealing with catch downside.After bolt connects, the space that in sheath, sliding sleeve, formation one is closed, extraneous rainwater can not contact with polyhedron, stage clip, stage clip can not because of getting rusty, corrode and losing efficacy, ensure theftproof performance, polyhedral surface also can not get rusty, and prevents polyhedron from getting rusty and causes frock cannot clamping position.
As preferably, be rotationally connected between described catch and bolt head upper end.After bolt connects, catch is positioned at topmost, rounded outside catch, general instrument all cannot clamp, but if adopt the instruments such as file easily the disc of catch to be frustrated out-of-plane, then overlaps unthread bolts by spanner, be rotationally connected between catch and bolt head in this structure, even if frustrated place's plane by instruments such as frustrating cutter, owing to being rotationally connected, bolt is still not easily opened.
As preferably, the inner ring lower end of described inspection well seat is provided with the conical surface, and described signal lamp has three at least, and each signal lamp is evenly arranged on the conical surface, and the incident angle of signal lamp tilts upward along the bus of the conical surface.The conical surface has protective effect to signal lamp; extraneous stone etc. is caused to fall into inspection shaft and destroy signal lamp after preventing inspection well cover from lacking; the crossover that simultaneously multiple signal lamp sends inclination is together made into netted; with on road other at night ornament lamp light distinguish obviously; more eye-catching, warning function is strengthened.
Therefore, the present invention has following beneficial effect: (1) inspection well cover self-strength is high, compressive property good, and inspection well cover self has cushioning effect, long service life simultaneously; (2) anti-theft bolt theftproof performance is good, and ordinary people is almost difficult to dismantle anti-theft bolt, good anti-theft effect; (3), when inspection well cover is separated with inspection well seat, LED light forms warning aperture at catch pit port, and warning pedestrian, prevents pedestrian from crashing in inspection shaft; (4) if anti-theft bolt is destroyed by force, also need specific unfolding mode just can open inspection well cover, ordinary people is difficult to dismantle inspection well cover, good anti-theft effect.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the top view of inspection well seat.
Fig. 3 is the upward view of inspection well cover.
Fig. 4 is A place close-up schematic view in Fig. 1.
Fig. 5 is the structural representation of anti-theft bolt.
Fig. 6 is anti-theft bolt Unscrew view.
Fig. 7 is B place close-up schematic view in Fig. 1.
In figure: inspection well seat 1, inspection well cover 2, pre-buried ring 3, anti-theft bolt 4, hook 5, anti-fall separation net 6, auxiliary through hole 7, proximity transducer 8, bulge loop 10, spacing block set 11, bolt hole 12, support ring 13, cannelure 14, annular light-transmission tube 15, LED light 16, euphotic cover plate 17, drain hole 18, connecting ring 20, stopper slot 21, dodge breach 22, counterbore 23, reinforcing ring 24, reinforcing rib 25, long slot bore 30, stud 40, bolt head 41, catch 42, polyhedron 43, sliding sleeve 44, sheath 45, stage clip 46, annular breach 47, first sealing ring 48, second sealing ring 49, positioning convex strip 110, groove 200, spacing hole 201, shock absorption strip 202, limited post 203, detent 210.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of shock-absorbing type inspection well cover assembly as shown in Figure 1, comprise circular inspection well seat 1, inspection well cover 2, the side, outer ring of inspection well seat 1 is provided with three layers of pre-buried ring 3, as shown in Figure 2, pre-buried ring is circumferentially evenly provided with some long slot bores 30, when inspection well seat is pre-buried, cement can enter the position between pre-buried ring in long slot bore, guarantees that inspection well cover is pre-buried stable, inspection well seat 1 upper end inner ring raises up and forms bulge loop 10, the outside of bulge loop 10 is evenly provided with four spacing block sets 11, the lower end of inspection well cover 2 body is provided with the connecting ring 20 be fastened on bulge loop, as shown in Figure 3, the inner side of connecting ring 20 to be circumferentially provided with in four sections of stopper slot 21(Fig. 3 coordinated with spacing block set shown in dotted line), one end of each stopper slot is provided with throughly with connecting ring lower end dodges breach 22, dodge the position of breach 22 and the position one_to_one corresponding of spacing block set, the top of bulge loop 10 is provided with some bolts hole 12, inspection well cover 2 is provided with counterbore 23, the bolt be connected with bolt hole is provided with in counterbore.
As shown in Figure 4, bulge loop 10 inner ring upper end is provided with support ring 13, the upper surface of support ring is the conical surface, the bottom surface of inspection well cover 2 is provided with reinforcing ring 24, taper-face contact on the lateral surface of reinforcing ring and support ring supports, the position that the bottom of inspection well cover 2 is positioned at reinforcing ring is provided with staggered reinforcing rib 25, and the outer end of reinforcing rib is connected with reinforcing ring, the top of spacing block set 11 is provided with positioning convex strip 110, and the upper side of stopper slot 21 is provided with the detent 210 coordinated with spacing raised line, when inspection well cover to be connected with bulge loop and rotate to counterbore be communicated with bolt hole time, positioning convex strip just in time snaps in detent, the inner ring lower end edge of inspection well seat 1 is circumferentially with some hooks 5, hook is hung with anti-fall separation net 6, and inspection well cover 2 is provided with some auxiliary through hole 7, inspection well seat 1 upper end is provided with cannelure 14, annular light-transmission tube 15 is provided with in cannelure 14, in annular light-transmission tube, some LED light 16 are installed, the top of cannelure is provided with euphotic cover plate 17, the below that bulge loop lower end is positioned at proximity transducer is provided with some drain holes 18 be communicated with inspection well seat inwall, the outside of bulge loop 10 is provided with proximity transducer 8, the outer end of proximity transducer is inside connecting ring, when inspection well cover is connected with inspection well seat, LED light is closed, when inspection well cover and inspection well seat depart from, LED light is bright, aperture is formed at catch pit port place, warning pedestrian, the position of catch pit port can accurately be known after pedestrian sees aperture, as shown in Figure 1 and Figure 7, the end face of inspection well cover 2 is provided with and adds wrong groove 200 in length and breadth, bottom portion of groove is provided with some spacing holes 201, be provided with shock absorption strip 202 in groove, the downside of shock absorption strip is provided with the limited post 203 coordinated with spacing hole, and inspection well cover end face is protruded in the upside of shock absorption strip, when automobile rolled inspection well cover, shock absorption strip has good damping effect, plays a protective role to inspection well cover, improves the application life of inspection well cover.
As shown in Figure 5, anti-theft bolt 4 comprises stud 40, is located at the bolt head 41 of stud upper end, the upper end of bolt head 41 is provided with catch 42, the lateral surface of catch is periphery, be rotationally connected between catch and bolt head, the upper-end part of driving of bolt head 41 is provided with the polyhedron 43 of clamping position when rotating for stud, polyhedral outside is arranged with sliding sleeve 44, stud 40 is provided with sheath 45 with the link of bolt head 41, stage clip 46 is provided with in sheath, the upper end of stage clip and the lower end in contact of sliding sleeve, be provided with annular breach 47 between the upper end of sliding sleeve and catch; Sheath 45 and sliding sleeve 44 matched in clearance, the lower end outside of sliding sleeve 44 is provided with the first sealing ring 48 for sealing with sheath inner ring, and the upper end of sliding sleeve is provided with the second sealing ring 49 for sealing with catch downside.Want to open this kind of anti-theft bolt normally, need to adopt specific frock, and important affair first knows polyhedral shape, just can open, special frock snaps in annular breach from both sides together, sliding sleeve is squeezed and moves down, thus polyhedron is exposed, as shown in Figure 6, special frock inner portion blocks polyhedron, then stud is driven to rotate, unthread bolts; Therefore the ordinary people except the setter of inspection well cover, the producer, almost be difficult to open anti-theft bolt, therefore inspection well cover can be prevented to be accidentally opened or to be stolen, even if adopt the mode destroyed to open bolt, also need between inspection well cover and inspection well seat to carry first, rotate again, again on the ad hoc fashion carried just can open, therefore double anti-theft, anti-theft effect is very good, and inspection well cover is safeguarded specially, for dismounting personnel, inspection well cover dismounting still very easily.
By reference to the accompanying drawings, using method of the present invention is as follows: inspection well seat is embedded in catch pit port place, inspection well cover is buckled on bulge loop, and four spacing block sets outside bulge loop are dodged indentation, there from four respectively and stretched in stopper slot, then rotate inspection well cover, make counterbore and bolt hole to it, now spacing block set with dodge breach and stagger, positioning convex strip snaps in detent simultaneously, and then logical anti-theft bolt connects, now proximity transducer receives the signal of connecting ring, and signal lamp is in closed condition, when needs are opened or change inspection well cover, special frock is first adopted to open anti-theft bolt, again auxiliary mould is inserted in auxiliary through hole, utilize auxiliary mould inspection well cover being put forward one end distance, positioning convex strip and detent are thrown off, then auxiliary mould is utilized to drive inspection well cover to rotate an angle, positioning convex strip is moved to and dodges indentation, there, finally whole inspection well cover is mentioned and throw off with inspection well seat, after inspection well cover is opened, proximity transducer can't detect signal, now LED light is bright, aperture is formed at catch pit port place, warning function is played to pedestrian, as long as therefore inspection well cover is opened, catch pit port place will form warning aperture, aperture indicates the position of catch pit port accurately, warning pedestrian takes care.Therefore, the present invention has following beneficial effect: (1) inspection well cover self-strength is high, compressive property good, and inspection well cover self has cushioning effect, long service life simultaneously; (2) anti-theft bolt theftproof performance is good, and ordinary people is almost difficult to dismantle anti-theft bolt, good anti-theft effect; (3), when inspection well cover is separated with inspection well seat, LED light forms warning aperture at catch pit port, and warning pedestrian, prevents pedestrian from crashing in inspection shaft; (4) if anti-theft bolt is destroyed by force, also need specific unfolding mode just can open inspection well cover, ordinary people is difficult to dismantle inspection well cover, good anti-theft effect.
Claims (10)
1. a shock-absorbing type inspection well cover assembly, comprise circular inspection well seat, inspection well cover, it is characterized in that, the side, outer ring of described inspection well seat is provided with pre-buried ring, described inspection well seat upper end inner ring raises up formation bulge loop, the lower end of described inspection well cover is provided with the connecting ring be rotatablely fastened on bulge loop, the top of described bulge loop is provided with some bolts hole, described inspection well cover is provided with counterbore, the anti-theft bolt be connected with bolt hole is provided with in counterbore, described bulge loop inner ring upper end is provided with support ring, the upper surface of support ring is the conical surface, the bottom surface of described inspection well cover is provided with reinforcing ring, taper-face contact on the lateral surface of described reinforcing ring and support ring supports, the position that the bottom of described inspection well cover is positioned at reinforcing ring is provided with staggered reinforcing rib, the outer end of described reinforcing rib is connected with reinforcing ring, the end face of described inspection well cover is provided with and adds wrong groove in length and breadth, bottom portion of groove is provided with some spacing holes, shock absorption strip is provided with in described groove, the downside of described shock absorption strip is provided with the limited post coordinated with spacing hole, inspection well cover end face is protruded in the upside of described shock absorption strip.
2. a kind of shock-absorbing type inspection well cover assembly according to claim 1, it is characterized in that, the outside of described bulge loop is evenly provided with some spacing block sets, the inner side of connecting ring is circumferentially provided with the some sections of stopper slots coordinated with spacing block set, one end of each stopper slot is provided with throughly with connecting ring lower end dodges breach, dodges the position of breach and the position one_to_one corresponding of spacing block set.
3. a kind of shock-absorbing type inspection well cover assembly according to claim 1 and 2, it is characterized in that, the inner ring lower end edge of described inspection well seat is circumferentially with some hooks, hook is hung with anti-fall separation net.
4. a kind of shock-absorbing type inspection well cover assembly according to claim 2, it is characterized in that, the top of described spacing block set is provided with positioning convex strip, the upper side of described stopper slot is provided with the detent coordinated with spacing raised line, when inspection well cover to be connected with bulge loop and rotate to counterbore be communicated with bolt hole time, positioning convex strip just in time snaps in detent.
5. a kind of shock-absorbing type inspection well cover assembly according to claim 1 or 2 or 4, it is characterized in that, described inspection well seat upper end is provided with cannelure, annular light-transmission tube is provided with in described cannelure, some LED light are provided with in annular light-transmission tube, the top of described cannelure is provided with euphotic cover plate, the outside of described bulge loop is provided with proximity transducer, described proximity transducer and to outer end inside connecting ring, the below that described bulge loop lower end is positioned at proximity transducer is provided with some drain holes be communicated with inspection well seat inwall, when inspection well cover and inspection well seat depart from, LED light is in open mode.
6. a kind of shock-absorbing type inspection well cover assembly according to claim 1, it is characterized in that, described pre-buried ring is provided with some long slot bores.
7. a kind of shock-absorbing type inspection well cover assembly according to claim 1, it is characterized in that, described anti-theft bolt comprises stud, is located at the bolt head of stud upper end, the upper end of described bolt head is provided with catch, the upper-end part of driving of bolt head is provided with the polyhedron of clamping position when rotating for stud, polyhedral outside is arranged with sliding sleeve, the link of described stud and bolt head is provided with sheath, stage clip is provided with in sheath, the upper end of stage clip and the lower end in contact of sliding sleeve, be provided with annular breach between the upper end of described sliding sleeve and catch.
8. a kind of shock-absorbing type inspection well cover assembly according to claim 7, it is characterized in that, described sheath and sliding sleeve matched in clearance, the lower end outside of described sliding sleeve is provided with the first sealing ring for sealing with sheath inner ring, and the upper end of described sliding sleeve is provided with the second sealing ring for sealing with catch downside.
9. a kind of shock-absorbing type inspection well cover assembly according to claim 7, is characterized in that, be rotationally connected between described catch and bolt head upper end.
10. a kind of shock-absorbing type inspection well cover assembly according to claim 1, it is characterized in that, the inner ring lower end of described inspection well seat is provided with the conical surface, and described signal lamp has three at least, each signal lamp is evenly arranged on the conical surface, and the incident angle of signal lamp tilts upward along the bus of the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309501.2A CN105040739B (en) | 2015-06-09 | 2015-06-09 | Shock absorption type inspection well lid assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309501.2A CN105040739B (en) | 2015-06-09 | 2015-06-09 | Shock absorption type inspection well lid assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105040739A true CN105040739A (en) | 2015-11-11 |
| CN105040739B CN105040739B (en) | 2017-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510309501.2A Active CN105040739B (en) | 2015-06-09 | 2015-06-09 | Shock absorption type inspection well lid assembly |
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| CN (1) | CN105040739B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482444A (en) * | 2020-12-07 | 2021-03-12 | 郭建军 | Municipal administration well lid |
| CN114047725A (en) * | 2021-10-20 | 2022-02-15 | 杭州智缤科技有限公司 | Inspection well intelligent monitoring system and monitoring method |
| CN114991208A (en) * | 2022-04-15 | 2022-09-02 | 重庆昂然建筑工程有限公司 | Inspection well tool mounting structure and construction method thereof |
| CN116335198A (en) * | 2023-04-17 | 2023-06-27 | 青岛市政空间开发集团有限责任公司 | Compression-resistant road inspection well and manufacturing method |
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| CN201962700U (en) * | 2010-12-17 | 2011-09-07 | 常优军 | Anti-theft inspection shaft cover and base of anti-theft inspection shaft cover |
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| CN204715414U (en) * | 2015-06-09 | 2015-10-21 | 长兴恒绵塑业有限公司 | Shock-absorbing type inspection well cover assembly |
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| CN101463608A (en) * | 2009-01-05 | 2009-06-24 | 河南理工大学 | Clip type anti-stealing manhole cover |
| CN201962700U (en) * | 2010-12-17 | 2011-09-07 | 常优军 | Anti-theft inspection shaft cover and base of anti-theft inspection shaft cover |
| EP2508679A1 (en) * | 2011-04-05 | 2012-10-10 | Benito Artis, Sl | Cover for an underground structure manhole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482444A (en) * | 2020-12-07 | 2021-03-12 | 郭建军 | Municipal administration well lid |
| CN112482444B (en) * | 2020-12-07 | 2022-11-15 | 江苏九城建筑安装工程有限公司 | Municipal administration well lid |
| CN114047725A (en) * | 2021-10-20 | 2022-02-15 | 杭州智缤科技有限公司 | Inspection well intelligent monitoring system and monitoring method |
| CN114991208A (en) * | 2022-04-15 | 2022-09-02 | 重庆昂然建筑工程有限公司 | Inspection well tool mounting structure and construction method thereof |
| CN114991208B (en) * | 2022-04-15 | 2023-11-17 | 重庆昂然建筑工程有限公司 | Inspection well tool mounting structure and construction method thereof |
| CN116335198A (en) * | 2023-04-17 | 2023-06-27 | 青岛市政空间开发集团有限责任公司 | Compression-resistant road inspection well and manufacturing method |
| CN116335198B (en) * | 2023-04-17 | 2023-08-29 | 青岛市政空间开发集团有限责任公司 | Compression-resistant road inspection well and manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN105040739B (en) | 2017-01-18 |
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