CN105040738B - Safety inspection-well cover - Google Patents
Safety inspection-well cover Download PDFInfo
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- CN105040738B CN105040738B CN201510308893.0A CN201510308893A CN105040738B CN 105040738 B CN105040738 B CN 105040738B CN 201510308893 A CN201510308893 A CN 201510308893A CN 105040738 B CN105040738 B CN 105040738B
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- well cover
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Abstract
The invention relates to the technical field of inspection-well covers, and discloses a safety inspection-well cover. The safety inspection-well cover comprises a round inspection-well base and an inspection-well cover body, wherein an inner ring at the upper end of the inspection-well base protrudes upwards to form a convex ring; a connecting ring is arranged at the lower end of the inspection-well cover body; bolt holes are formed in the top of the convex ring; counter bores are formed in the inspection-well cover body; bolts connected with the bolt holes are respectively arranged in the counter bores; a supporting ring is arranged at the upper end of the inner ring of the convex ring; the upper end surface of the supporting ring is a conical surface; a reinforcing ring is arranged on the bottom surface of the inspection-well cover body; the outer side surface of the reinforcing ring and the conical surface on the supporting ring form a contact support; interlaced reinforcing ribs are arranged at a position positioned in the reinforcing ring, at the bottom of the inspection-well cover body; the outer ends of the reinforcing ribs are connected with the reinforcing ring; signal lamps are also arranged on the inner ring of the inspection-well base; a proximity sensor is arranged under the connecting ring, at the upper end of the inspection-well base; the proximity sensor is connected with the signal lamps. When the inspection-well cover body is separated from the inspection-well base, the signals can emit light to warn pedestrians, so that pedestrians can be prevented from falling in the inspection well.
Description
Technical field
The present invention relates to inspection well cover technical field, more particularly, to a kind of Safety manhole cover.
Background technology
A lot of underground pipings, such as sewer, underground gas pipeline, water supply pipe, power pipe are had in urban construction
Road, communication conduit, national defence pipeline etc., these pipelines will have an outlet leading to ground every one section, by pipeline to ground
This section is referred to as inspection shaft, catch pit port generally concordant with ground it is therefore desirable to a lid, for the lid of lid inspection shaft, be inspection shaft
Lid.Inspection well cover is generally made with materials such as reinforced concrete, metal, reinforced plastics, and shape is based on circular and square.One complete
Inspection well cover all comprise inspection well seat, inspection well cover body two parts, need to open basement when the cable in sewer, water pipe etc. are overhauled
Well lid；After inspection well cover body common at present is separated with inspection well seat, in night, rainy day etc., because sight line is dark, pedestrian does not note
Anticipate inspection shaft, and lead to pedestrian to drop in inspection shaft and cause life danger, also often can see that inspection well cover body is lost at present on the net
Or stolen, lead to night pedestrian to fall the report of inspection shaft.
Content of the invention
The present invention is in order to solve the problems referred to above of the prior art, there is provided after inspection well cover body is departed from inspection shaft, basement
Well seat interior energy emits beam warning pedestrian, prevents pedestrian from falling the inspection well cover of inspection shaft.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of safety inspection well cover, including circular inspection well seat, inspection well cover body, the outer ring side of described inspection well seat sets
There is pre-buried ring, described inspection well seat upper end inner ring raises up formation bulge loop, and the lower end of described inspection well cover body is provided with rotary fastening
Connection ring on bulge loop, the top of described bulge loop is provided with some bolts hole, and described inspection well cover body is provided with counterbore, in counterbore
It is provided with the bolt being connected with bolt hole；Described bulge loop inner ring upper end is provided with support ring, and the upper surface of support ring is the conical surface, described basement
The bottom surface of manhole cover body is provided with reinforcing ring, and the lateral surface of described reinforcing ring is supported with the taper-face contact in support ring, described inspection shaft
The position that the bottom of lid body is located in reinforcing ring is provided with staggered reinforcement, and the outer end of described reinforcement is connected with reinforcing ring,
The inner ring of described inspection well seat is additionally provided with signal lighties, and what the upper end of inspection well seat was located at connection ring is arranged right below proximity transducer, institute
The proximity transducer stated is connected with signal lighties, and when inspection well cover body is departed from inspection well seat, signal lighties are in open mode.
Pre-buried ring is imbedded in the cement of catch pit port, and inspection well cover body is connected with inspection well seat rotary fastening, more fixed by bolt
Position, the reinforcing ring on inspection well cover body bottom surface is pressed in support ring, and support ring is used for bearing the pressure on inspection well cover body, strengthens
Muscle, reinforcing ring increase inspection well cover body self-strength, and when inspection well cover body middle part is subject to larger pressure, pressure energy is led to
Cross reinforcement and pass to reinforcing ring, support finally by support ring, thus greatly enhancing the compressive property of inspection well cover body,
Improve its service life；After inspection well cover body is connected with inspection well seat, connection ring lower end is examined close proximity to sensor, proximity transducer
When measuring signal, signal lighties are closed, and after inspection well cover body is departed from inspection well seat, proximity transducer can't detect letter
Number when, signal lighties project light, at night, warning function is played to pedestrian.
Preferably, the outside of described bulge loop is uniformly provided with some spacing block sets, if the inner side of connection ring circumferentially arranged with
The stopper slot that dry section is coordinated with spacing block set, one end of each stopper slot is provided with the avoidance breach with the insertion of connection ring lower end, keeps away
The position of breach is allowed to correspond with the position of spacing block set.During installation, position limiting convex ring stretches in stopper slot from avoidance indentation, there,
Inspection well cover body rotates an angle so that counterbore and bolt hole are to it, and positive stop lug boss and inevitable breach stagger simultaneously, Ran Houtong
Cross bolt connection, inspection well cover body will not be opened because of bolt looseness by mistake.
Preferably, the inner ring lower end of described inspection well seat, circumferentially arranged with some hooks, hook is hung with anti-fall isolation
Net.Just in case when not installing new inspection well cover body in time when inspection well cover body is stolen or changes, anti-fall separation net can have
The pedestrian that prevents of effect falls.
Preferably, the top of described spacing block set is provided with positioning convex strip, the upper side of described stopper slot is provided with and limits
The detent of position raised line cooperation, when inspection well cover body is connected with bulge loop and rotates to counterbore and connected with bolt hole, convex
Bar just snaps in detent.Spacing block set snaps in stopper slot, positioning convex strip snaps in detent, double limitation, needs
When opening inspection well cover body, need first to open bolt, then inspection well cover body above carry one end distance so that positioning convex strip with
Detent disengages, and then rotates an angle so that positioning convex strip moves to avoidance indentation, there, originally whole inspection well cover finally
Body pulls out, this kind of specific unfolding mode, also is difficult to an inspection well cover body and takes off so that this kind even if thief destroys bolt
Inspection well cover has good anti-theft function.
Preferably, described inspection well cover body is provided with some auxiliary through hole.When needing to open inspection well cover, in auxiliary through hole
Insertion auxiliary mould, beneficial to lifting, rotate inspection well cover body.
Preferably, described pre-buried ring is provided with some long slot bores.When inspection well seat is pre-buried, cement can enter from elongated slot in the hole
Enter the position between pre-buried ring it is ensured that cement fills, inspection well seat is pre-buried more stable.
Preferably, described bolt includes 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, and polyhedral outside is arranged with cunning
Set, described stud is provided with sheath with the connection end of bolt head, is provided with stage clip, the lower termination of the upper end of stage clip and sliding sleeve in sheath
Touch, between the upper end of described sliding sleeve and catch, be provided with annular breach.After the bolt that this kind refers in particular to loads in counterbore, common people are from outer
Lateral root originally has no way of opening bolt, only coordinates special frock ability rotating bolt, and special frock snaps in ring together from both sides
In v notch v, sliding sleeve is squeezed and moves down, thus polyhedron is exposed, special frock inner portion blocks polyhedron,
Then drive stud to rotate, turn on bolt；Sheath can also play the effect of pad.
Preferably, described sheath and sliding sleeve gap coordinate, the lower end outside of described sliding sleeve be provided with for sheath in
First sealing ring of circle sealing, the upper end of described sliding sleeve be provided with for catch on the downside of face seal the second sealing ring.Bolt is even
After connecing, form the space of a closing in sheath, sliding sleeve, extraneous rainwater will not be contacted with polyhedron, stage clip, stage clip will not be because
Lost efficacy it is ensured that theftproof performance for getting rusty, corroding, polyhedral surface also will not get rusty, and prevents polyhedron from getting rusty and leading to frock
Cannot clamping position.
Preferably, rotate between described catch and bolt head upper end being connected.After bolt connection, catch is located at and goes up most
End, rounded outside catch, general instrument all cannot clamp, but if using instruments such as files easily the disc of catch
Frustrate out plane, then turn in bolt, this structure to rotate between catch and bolt head by spanner set and be connected, even if being frustrated knife etc.
Place's plane frustrated by instrument, connects due to rotating, and bolt is still difficult to be opened.
Preferably, the inner ring lower end of described inspection well seat is provided with the conical surface, described signal lighties at least three, each signal
Lamp is uniformly arranged on the conical surface, and the incident angle of signal lighties tilts upward along the bus of the conical surface.The conical surface has guarantor to signal lighties
Shield acts on, and leads to the stone in the external world etc. to fall into and destroy signal lighties in inspection shaft after preventing inspection well cover disappearance, multiple signal lighties simultaneously
The light sending inclination together is woven into netted, more eye-catching, police obvious with the light difference of other night ornament lamps on road
It is shown as with being strengthened.
Therefore, the invention has the following beneficial effects: when (1) inspection well cover body is separated with inspection well seat, signal lighties send light
Line warns pedestrian, prevents pedestrian from crashing at night in inspection shaft, using safer；(2) inspection well cover bulk strength height, compressive property
Good, long service life；(3) bolt theftproof performance is good, and ordinary people is almost difficult to rotating bolt, good anti-theft effect；(4) even if bolt
It is destroyed in addition it is also necessary to specific unfolding mode just can open inspection well cover body, ordinary people is difficult to dismantle inspection well cover body, antitheft effect
Really good.
Brief description
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 body.
Fig. 4 is close-up schematic view at a in Fig. 1.
Fig. 5 is the structural representation of bolt.
The frock clamp position schematic diagram that Fig. 6 is tailored for bolt.
In figure: inspection well seat 1, inspection well cover body 2, pre-buried ring 3, bolt 4, hook 5, anti-fall separation net 6, auxiliary through hole 7, connect
Nearly sensor 8, bulge loop 10, spacing block set 11, bolt hole 12, support ring 13, the conical surface 14, signal lighties 15, connection ring 20, stopper slot
21st, breach 22, counterbore 23, reinforcing ring 24, reinforcement 25, long slot bore 30, stud 40, bolt head 41, catch 42, polyhedron are avoided
43rd, sliding sleeve 44, sheath 45, stage clip 46, annular breach 47, the first sealing ring 48, the second sealing ring 49, positioning convex strip 110, positioning
Groove 210.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and detailed description:
A kind of safety inspection well cover as shown in Figure 1, including circular inspection well seat 1, inspection well cover body 2, outside inspection well seat 1
Circle side is provided with three layers of pre-buried ring 3, as shown in Fig. 2 being circumferentially uniformly provided with some long slot bores 30 on pre-buried ring, inspection well seat is pre-buried
When, cement can from elongated slot in the hole enter pre-buried ring between position it is ensured that inspection well cover is pre-buried stable；Inspection well seat 1 upper end inner ring to
On convex to form bulge loop 10, the outside of bulge loop 10 is uniformly provided with four spacing block sets 11, and the lower end of inspection well cover 2 body is provided with fastening
Connection ring 20 on bulge loop, as shown in figure 3, the inner side of connection ring 20 is spacing with what spacing block set coordinated circumferentially arranged with four sections
In groove 21(Fig. 3 shown in dotted line), one end of each stopper slot is provided with the avoidance breach 22 with the insertion of connection ring lower end, avoids breach
22 position is corresponded with the position of spacing block set, and the top of bulge loop 10 is provided with some bolts hole 12, inspection well cover body 2 sets
There is counterbore 23, in counterbore, be provided with the bolt being connected with bolt hole；The inner ring lower end of inspection well seat 1 is provided with the conical surface 14, on the conical surface uniformly
Three signal lighties 15 are installed, the incident angle of signal lighties tilts upward along the bus of the conical surface, and the upper end of inspection well seat 1 is located at even
Connect ring 20 is arranged right below proximity transducer 8, and proximity transducer is connected with signal lighties, when inspection well cover body is departed from inspection well seat
When, signal lighties are in open mode, if inspection well cover body is lost or stolen, the light sending in night signal lamp has good
Good warning function, prevents pedestrian from falling in inspection shaft.
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, inspection well cover body 2
Bottom surface be provided with reinforcing ring 24, the lateral surface of reinforcing ring is supported with the taper-face contact in support ring, the bottom position of inspection well cover body 2
Position in reinforcing ring is provided with staggered reinforcement 25, and the outer end of reinforcement is connected with reinforcing ring；The top of spacing block set 11
It is provided with positioning convex strip 110, the upper side of stopper slot 21 is provided with the detent 210 with the cooperation of spacing raised line, when inspection well cover body
When being connected with bulge loop and rotating to counterbore and connect with bolt hole, positioning convex strip just snaps in detent；The inner ring of inspection well seat 1
Lower end, circumferentially arranged with some hooks 5, hook is hung with anti-fall separation net 6, inspection well cover body 2 is provided with some auxiliary through hole
7.
As shown in figure 5, bolt 4 includes stud 40, is located at the bolt head 41 of stud upper end, the upper end of bolt head 41 is provided with gear
Piece 42, the lateral surface of catch is periphery, rotates and be connected between catch and bolt head, the upper-end part of driving of bolt head 41 be provided with for
The polyhedron 43 of clamping position when stud rotates, polyhedral outside is arranged with sliding sleeve 44, the connection of stud 40 and bolt head 41
End is provided with sheath 45, is provided with stage clip 46, the lower end in contact of the upper end of stage clip and sliding sleeve, between the upper end of sliding sleeve and catch in sheath
It is provided with annular breach 47；Sheath 45 and the cooperation of sliding sleeve 44 gap, the lower end outside of sliding sleeve 44 is provided with for sealing with sheath inner ring
The first sealing ring 48, the upper end of sliding sleeve be provided with for catch on the downside of face seal the second sealing ring 49.Want normally to beat
Open this kind of bolt, need using specific frock, and important affair first knows polyhedral shape, just can open, special frock
Snap in annular breach together from both sides, sliding sleeve is squeezed and moves down, thus polyhedron is exposed, as shown in fig. 6, special
Frock inner portion block polyhedron, then drive stud rotate, turn on bolt；Therefore except setter, the life of inspection well cover
Ordinary people beyond product person, is almost difficult to open bolt, and inspection well cover body therefore can be prevented to be accidentally opened or be tampered, even if
Open bolt by the way of destroying, also need between inspection well cover body and inspection well seat first above to carry, rotate, above carrying is specific
Mode just can be opened, therefore double anti-theft, and anti-theft effect is very good, and for inspection well cover special maintenance, for dismounting personnel, basement
Well lid is dismantled still very easily.
In conjunction with accompanying drawing, the using method of the present invention is as follows: inspection well seat is embedded at catch pit port, and inspection well cover body is buckled in bulge loop
On, four spacing block sets outside bulge loop avoid indentation, there from four respectively and stretch in stopper slot, then rotate inspection well cover body,
Make counterbore and bolt hole to it, now spacing block set staggers with avoiding breach, and positioning convex strip snaps in detent simultaneously, so
Lead to bolt connection afterwards, now proximity transducer receives the signal of connection ring, and signal lighties are closed；When need open or
When person changes inspection well cover body, first bolt is opened using special frock, then in auxiliary mould insertion auxiliary through hole, using auxiliary
Assistant engineer's dress above puies forward one end distance so that positioning convex strip is disengaged with detent inspection well cover body, then utilizes auxiliary mould band
Dynamic inspection well cover body rotates an angle so that positioning convex strip moves to avoidance indentation, there, finally whole inspection well cover body is carried
Get up and disengage with inspection well seat, after inspection well cover body is opened, proximity transducer can't detect signal, now in signal lighties, project light
Line warns pedestrian, and therefore no matter inspection well cover body is because what reason is opened, and signal lighties all can emit beam and warn pedestrian's note
Meaning safety.Therefore, the invention has the following beneficial effects: when (1) inspection well cover body is separated with inspection well seat, signal lighties emit beam
Warning pedestrian, prevents pedestrian from crashing at night in inspection shaft, using safer；(2) inspection well cover bulk strength height, compressive property are good,
Long service life；(3) bolt theftproof performance is good, and ordinary people is almost difficult to rotating bolt, good anti-theft effect；(4) even if bolt quilt
Destroy in addition it is also necessary to specific unfolding mode just can open inspection well cover body, ordinary people is difficult to dismantle inspection well cover body, anti-theft effect
Good.
Claims (9)
1. a kind of safety inspection well cover, including circular inspection well seat, inspection well cover body, is characterized in that, described inspection well seat outer
Circle side is provided with pre-buried ring, and described inspection well seat upper end inner ring raises up formation bulge loop, and the lower end of described inspection well cover body is provided with
It is rotatablely fastened in the connection ring on bulge loop, the top of described bulge loop is provided with some bolts hole, and it is heavy that described inspection well cover body is provided with
Hole, is provided with the bolt being connected with bolt hole in counterbore, described bulge loop inner ring upper end is provided with support ring, and the upper surface of support ring is cone
Face, the bottom surface of described inspection well cover body is provided with reinforcing ring, and the lateral surface of described reinforcing ring is supported with the taper-face contact in support ring,
The position that the bottom of described inspection well cover body is located in reinforcing ring is provided with staggered reinforcement, the outer end of described reinforcement and reinforcement
Ring connects, and the inner ring of described inspection well seat is additionally provided with signal lighties, upper end being arranged right below close to biography positioned at connection ring of inspection well seat
Sensor, described proximity transducer is connected with signal lighties, and when inspection well cover body is departed from inspection well seat, signal lighties are in open shape
State；The inner ring lower end of described inspection well seat is provided with the conical surface, described signal lighties at least three, and each signal lights is uniformly arranged on cone
On face, the incident angle of signal lighties tilts upward along the bus of the conical surface.
2. a kind of safety inspection well cover according to claim 1, is characterized in that, the outside of described bulge loop is uniformly provided with some
Spacing block set, the inner side of connection ring is circumferentially arranged with some sections of stopper slots with spacing block set cooperation, one end of each stopper slot
It is provided with the avoidance breach with the insertion of connection ring lower end, the position of the position and spacing block set that avoid breach corresponds.
3. a kind of safety inspection well cover according to claim 1 and 2, is characterized in that, the inner ring lower end edge of described inspection well seat
It is circumferentially with some hooks, hook is hung with anti-fall separation net.
4. a kind of safety inspection well cover according to claim 2, is characterized in that, the top of described spacing block set is provided with determines
Position raised line, the upper side of described stopper slot is provided with the detent with positioning convex strip cooperation, when inspection well cover body is connected with bulge loop
And when rotating to counterbore and connecting with bolt hole, positioning convex strip just snaps in detent.
5. a kind of safety inspection well cover according to claim 1 or 2 or 4, is characterized in that, described inspection well cover body is provided with
Some auxiliary through hole.
6. a kind of safety inspection well cover according to claim 1, is characterized in that, described pre-buried ring is provided with some elongated slots
Hole.
7. a kind of safety inspection well cover according to claim 1, is characterized in that, described bolt includes stud, is located at spiral shell
The bolt head of post upper end, the upper end of described bolt head is provided with catch, and the upper-end part of driving of bolt head is provided with folder when rotating for stud
Hold the polyhedron of positioning, polyhedral outside is arranged with sliding sleeve, described stud is provided with sheath, in sheath with the connection end of bolt head
It is provided with stage clip, the upper end of stage clip and the lower end in contact of sliding sleeve, between the upper end of described sliding sleeve and catch, be provided with annular breach.
8. a kind of safety inspection well cover according to claim 7, is characterized in that, described sheath is coordinated with sliding sleeve gap,
The lower end outside of described sliding sleeve is provided with the first sealing ring for sealing with sheath inner ring, the upper end of described sliding sleeve be provided with for
Second sealing ring of face seal on the downside of catch.
9. a kind of safety inspection well cover according to claim 7, is characterized in that, between described catch and bolt head upper end
Rotate and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308893.0A CN105040738B (en) | 2015-06-09 | 2015-06-09 | Safety inspection-well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308893.0A CN105040738B (en) | 2015-06-09 | 2015-06-09 | Safety inspection-well cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105040738A CN105040738A (en) | 2015-11-11 |
| CN105040738B true CN105040738B (en) | 2017-01-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510308893.0A Active CN105040738B (en) | 2015-06-09 | 2015-06-09 | Safety inspection-well cover |
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| CN (1) | CN105040738B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649189A (en) * | 2015-12-16 | 2016-06-08 | 北京路桥瑞通养护中心有限公司 | Rainwater grate well and construction method for road surface structure containing rainwater grate well |
| CN106284609A (en) * | 2016-10-17 | 2017-01-04 | 无锡市诺智能科技有限公司 | A kind of lifting type trench cover plate structure |
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| CN2693826Y (en) * | 2003-06-03 | 2005-04-20 | 苏州市广卫特种水泥制品有限公司 | Steel fiber concrete rag well base for manhole |
| KR100653924B1 (en) * | 2006-04-03 | 2006-12-06 | (주) 시흥 | Manhole cover for waterworks sewer and electricity and communication with checking body |
| CN101089300A (en) * | 2007-07-05 | 2007-12-19 | 吕运征 | Method for producing manhole cover |
| CN202745074U (en) * | 2012-06-19 | 2013-02-20 | 李代一 | Double-layer revolving shaft type safety manhole cover |
| CN202899167U (en) * | 2012-11-16 | 2013-04-24 | 安徽俊意机械有限公司 | Height-adjustable inspection well |
| CN204715411U (en) * | 2015-06-09 | 2015-10-21 | 长兴恒绵塑业有限公司 | Safety type inspection well cover |
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2015
- 2015-06-09 CN CN201510308893.0A patent/CN105040738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693826Y (en) * | 2003-06-03 | 2005-04-20 | 苏州市广卫特种水泥制品有限公司 | Steel fiber concrete rag well base for manhole |
| KR100653924B1 (en) * | 2006-04-03 | 2006-12-06 | (주) 시흥 | Manhole cover for waterworks sewer and electricity and communication with checking body |
| CN101089300A (en) * | 2007-07-05 | 2007-12-19 | 吕运征 | Method for producing manhole cover |
| CN202745074U (en) * | 2012-06-19 | 2013-02-20 | 李代一 | Double-layer revolving shaft type safety manhole cover |
| CN202899167U (en) * | 2012-11-16 | 2013-04-24 | 安徽俊意机械有限公司 | Height-adjustable inspection well |
| CN204715411U (en) * | 2015-06-09 | 2015-10-21 | 长兴恒绵塑业有限公司 | Safety type inspection well cover |
Also Published As
| Publication number | Publication date |
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| CN105040738A (en) | 2015-11-11 |
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Effective date of registration: 20190705 Address after: Room 805-807, 8th floor, 2598 Central Avenue, Taihu Street, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Hengmian Technology Co.,Ltd. Address before: 313106 Hongqiao Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee before: CHANGXING HENGMIAN PLASTIC INDUSTRY Co.,Ltd. |
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Effective date of registration: 20230911 Address after: 242807 Dongbian Group, Yongping Village, Dingqiao Town, Qingyang County, Chizhou City, Anhui Province Patentee after: Anhui Hengmian Intelligent Equipment Co.,Ltd. Address before: Room 805-807, 8th floor, 2598 Central Avenue, Taihu Street, Changxing County, Huzhou City, Zhejiang Province Patentee before: Zhejiang Hengmian Technology Co.,Ltd. |
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