CN108083195A - A kind of municipal construction road cellar well lid rapid installation device - Google Patents
A kind of municipal construction road cellar well lid rapid installation device Download PDFInfo
- Publication number
- CN108083195A CN108083195A CN201711160092.XA CN201711160092A CN108083195A CN 108083195 A CN108083195 A CN 108083195A CN 201711160092 A CN201711160092 A CN 201711160092A CN 108083195 A CN108083195 A CN 108083195A
- Authority
- CN
- China
- Prior art keywords
- well lid
- connecting rod
- installation device
- municipal construction
- rapid installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
- B66F19/005—Lifting devices for manhole covers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses a kind of municipal construction road cellar well lid rapid installation devices, including pedestal, driving motor lower end is equipped with drive shaft, driving gear is installed in the middle part of drive shaft lower end, driving gear both ends are engaged with driven gear, driven shaft is installed in the middle part of driven gear lower end, driven shaft lower end is equipped with worm screw, worm gear is engaged on the outside of worm screw, rotation axis is installed in the middle part of worm gear, rotation axis front center is equipped with lifter wheel, lifter rack is engaged on the outside of lifter wheel, upper frame lower end both sides are equipped with lead, limit spring is installed in the middle part of lead lower end, limit spring lower end is fixed with lifting column, lifting column lower end is equipped with lifter plate, lifter plate upper center is equipped with electric rotating machine, electric rotating machine lower end is equipped with screw rod, screw rod lower end is equipped with sliding block.The present invention realizes and lifter plate is moved up and down, and then meets the promotion needs to well lid, while realizes the gripping to well lid, and multiple construction workers is avoided to carry out lift and are taken.
Description
Technical field
The present invention relates to municipal construction equipment technical fields, are specifically a kind of municipal construction road cellar well lid Fast Installation
Device.
Background technology
Municipal works refer to urban operating mechanism construction project.In China, urban operating mechanism refers in metropolitan district, town（Township）Planning is built
If it is set in scope, based on government responsibility and the voluntary various buildings that paid or free public product and service are provided for resident
Object, structures, equipment etc..The mating various public infrastructure developments of urban life belong to municipal works scope, than as usual
The urban road seen, bridge, subway, such as the various pipelines being closely related with life：Rainwater, sewage, upper water, middle water, electric power
（Red line is with outer portion）, telecommunications, heating power, combustion gas etc., there is the construction on square, urban afforestation etc., belong to municipal works scope.
Inspection shaft is used in the turning of drainage pipeline, branch, falls etc., and in order to check, the well of dredging, scientific name is inspection
Look into well.Similarly, telecommunication cable inspection shaft, the power cable inspection shaft of underground are embedded in, is also inspection shaft.Inspection shaft common at present
Meaning refers to sewer manhole among road, also known as skylight, in order to ensure the safety of inspection shaft, it will usually be installed on inspection shaft
One well lid, avoids pedestrian from dropping into inspection shaft.
At present, when well lid installation is carried out in road construction, usually first well lid is lifted, followed by 2 construction personnel will
Well lid makes a concerted effort to be moved on well head, then is bending over well lid being placed on well head, in the process, it would be desirable to small in real time
The heart avoids falling down, while also avoids damaging well lid, and the mounting means of above-mentioned well lid is not only time-consuming and laborious, increases
The labor intensity of construction personnel is added, work efficiency is low, and easily road pavement damages, and adds maintenance cost.
The content of the invention
It is an object of the invention to provide a kind of municipal construction road cellar well lid rapid installation device, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical solution：
A kind of municipal construction road cellar well lid rapid installation device, including pedestal, pedestal upper end both sides are equipped with support
Frame, supporting rack upper end are equipped with top plate, and top plate upper center is equipped with driving motor, and driving motor lower end is equipped with drive shaft,
Driving gear is installed, driving gear both ends are engaged with driven gear, are installed in the middle part of driven gear lower end in the middle part of drive shaft lower end
There is driven shaft, driven shaft lower end is equipped with worm screw, and worm gear is engaged on the outside of worm screw, rotation axis, rotation axis are equipped in the middle part of worm gear
Front center is equipped with lifter wheel, is engaged with lifter rack on the outside of lifter wheel, upper frame lower end both sides are equipped with guiding
Column, lead lower end middle part are equipped with limit spring, and limit spring lower end is fixed with lifting column, and lifting column lower end is equipped with lifting
Plate, lifter plate upper center are equipped with electric rotating machine, and electric rotating machine lower end is equipped with screw rod, and screw rod lower end is equipped with sliding block, sliding
Block both ends are equipped with first connecting rod, and first connecting rod both ends are hinged with second connecting rod, and second connecting rod lower end is hinged with third connecting rod, the
Fourth link is hinged in the middle part of three-link, the pedestal right side central is equipped with guide sleeve, orientation stand is equipped with inside guide sleeve,
Axis of orientation in the middle part of orientation stand lower end is installed, steering wheel is installed in the middle part of axis of orientation.
As further embodiment of the present invention：Position-limited rack is installed in the middle part of the rotation axis, position-limited rack upper end is equipped with drive
Dynamic case, driving box upper end are fixed in the middle part of upper frame lower end.
As further embodiment of the present invention：Walker, walker center bottom peace are installed on the left of the pedestal lower end
Equipped with walking axle, traveling wheel is installed in the middle part of walking axle.
As further embodiment of the present invention：The middle of the base is equipped with the recessing groove to cooperate with electric rotating machine, bottom
Seat middle part both ends are equipped with the lift span with lifting column cooperation.
As further embodiment of the present invention：The limit hole to cooperate with screw rod is equipped in the middle part of the lifter plate.
As further embodiment of the present invention：The fourth link upper end is fixedly connected on lifter plate lower end.
As further embodiment of the present invention：The third connecting rod end is equipped with fixture block, and fixture block middle part is equipped with and well lid
The clip slot of mutual cooperation.
As further embodiment of the present invention：The orientation stand upper end is equipped with fixed seat, and fixed seat is fixed on pedestal
Lower both ends.
As further embodiment of the present invention：The orientation stand top is equipped with rotating disc, the rotating disc upper end side of being equipped with
To handle.
As further scheme of the invention：The lifting column upper center is equipped with the guiding to cooperate with lead
Slot.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of municipal construction road cellar well lid rapid installation device, it is rational in infrastructure, it is novel in design, pass through the lifting being equipped with
Mutual cooperation between gear and lifter rack, realizes and lifter plate is moved up and down, and then meets the promotion to well lid
It needs, while the mutual cooperation between multiple connecting rods by being equipped with, it realizes the gripping to well lid, avoids multiple construction works
People carries out lift and takes, and has both reduced the labor intensity of worker, while also increases construction efficiency, highly practical.
Description of the drawings
Fig. 1 is a kind of structure diagram of municipal construction road cellar well lid rapid installation device.
Fig. 2 is a kind of overlooking the structure diagram of pedestal in municipal construction road cellar well lid rapid installation device.
Fig. 3 is the side structure schematic view that a kind of municipal construction road cellar well lid Fast Installation fills walker.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Refering to Fig. 1~3, in the embodiment of the present invention, a kind of municipal construction road cellar well lid rapid installation device, the bottom of including
Seat 1, the 1 upper end both sides of pedestal are equipped with supporting rack 4, are used to implement and the support of upper frame 6 is fixed, 4 upper end of supporting rack peace
Equipped with top plate 6,6 upper center of top plate is equipped with driving motor 10, for drive shaft 9 to be driven to be rotated, the driving electricity
Machine 10 is double steering stepper motor, and 10 lower end of driving motor is equipped with drive shaft 9, driving tooth is equipped in the middle part of 9 lower end of drive shaft
Wheel 11,11 both ends of driving gear are engaged with driven gear 8, are equipped with driven shaft 13 in the middle part of 8 lower end of driven gear, under driven shaft 13
End is equipped with worm screw 15, and 15 outside of worm screw is engaged with worm gear 16, and 16 middle part of worm gear is equipped with rotation axis 14, in the rotation axis 14
Portion is equipped with position-limited rack 12, and 12 upper end of position-limited rack is equipped with driving box 7, and 7 upper end of driving box is fixed in the middle part of 5 lower end of upper frame, rotation
14 front center of shaft is equipped with lifter wheel 17, and 17 outside of lifter wheel is engaged with lifter rack 20, the lifter rack 20
For being coordinated with lifter rack 20, and then realize moving up and down to lifting column 3,6 lower end both sides of the upper frame installation
There is lead 5, limit spring 2 is installed in the middle part of 5 lower end of lead, the buffering being used to implement between lifting column 3 and lead 5
/V connects, and 2 lower end of limit spring is fixed with lifting column 3, and 3 upper center of lifting column is equipped with and cooperates with lead 5
Guide groove, move up and down carry out /V for lifting column 3 for lead 5, avoid occurring in moving process it is crooked, drop column
3 lower ends are equipped with lifter plate 22, and 22 middle part of lifter plate is equipped with the limit hole 19 to cooperate with screw rod 24, on lifter plate 22
End middle part is equipped with electric rotating machine 18, and 18 lower end of electric rotating machine is equipped with screw rod 24, and 24 lower end of screw rod is equipped with sliding block 21, described
Sliding block 21 is internally provided with the threaded hole to cooperate with screw rod 24, and then is the upper of sliding block 21 by the convert rotational motion of screw rod 24
Lower linear motion, 21 both ends of sliding block are equipped with first connecting rod 25, and 25 both ends of first connecting rod are hinged with second connecting rod 27, second connecting rod
27 lower ends are hinged with third connecting rod 26, and 26 end of third connecting rod is equipped with fixture block 23, and 23 middle part of fixture block is equipped with and well lid phase
The clip slot mutually coordinated, so that fixture block 23 preferably clamps well lid, 26 middle part of third connecting rod is hinged with fourth link 28, described
28 upper end of fourth link is fixedly connected on 22 lower end of lifter plate, and 1 right side central of pedestal is equipped with guide sleeve 36, guide sleeve 36
Inside is equipped with orientation stand 34, and 34 top of orientation stand is equipped with rotating disc 38, and 38 upper end of rotating disc is equipped with directional lever
37, for rotating disc 38 to be driven to be rotated, 34 upper end of orientation stand is equipped with fixed seat 35, and fixed seat 35 is fixed on bottom
1 upper and lower ends of seat, 34 lower end of orientation stand middle part are equipped with axis of orientation 32, and 32 middle part of axis of orientation is equipped with steering wheel 33, the bottom
Walker 31 is installed, 31 center bottom of walker is equipped with walking axle 29, and 29 middle part of walking axle is equipped with row on the left of 1 lower end of seat
Wheel 30 is walked, 1 middle part of pedestal is equipped with the recessing groove 40 to cooperate with electric rotating machine 18, lifter plate 22 is avoided to move up and down
Pedestal 1 is interfered with electric rotating machine 18 in the process, and 1 middle part both ends of pedestal are equipped with the lift span 39 coordinated with lifting column 3.
A kind of municipal construction road cellar well lid rapid installation device, during work, by being rotating directional lever 37,
So that orientation stand 34 controls the direction of advance of steering wheel 33, then by the effect of traveling wheel 30, whole device is realized
It moves back and forth, when whole device is moved to the region for being placed with well lid, starts driving motor 10, driving motor 10 passes through
The effect of driving gear 11, driven gear 8 and driven shaft 13 inside driving box 7 drives worm screw 15 to be rotated, Ran Houtong
Cross the engagement of worm screw 15 and worm gear 16 so that lifter wheel 17 rotates synchronously, so that lifter wheel 17 and lifting tooth
Item 20 is intermeshed so that lifter rack 20 drives entire lifting column 3 to move down, so that third connecting rod 26 is close to well
Lid, due to there is worm and gear engagement rotation in whole process, and then realizes the auto-lock function of driving force, Jin Ershi
Show to the fixed holding in entire 22 motion process of lifter plate, start electric rotating machine 18 afterwards, electric rotating machine 18 drives screw rod
24 are rotated, so that sliding block 21 moves down, so that first connecting rod 25 synchronously moves down, so that third connecting rod
26 upper ends are moved to the outside, and 26 lower end of third connecting rod is caused toward medial movement, to realize the gripping to well lid, reversely open afterwards
Dynamic driving motor 10 so that lifter plate 22 moves up, and then well lid is moved to inspection shaft upper end by mobile whole device to inspection shaft upper end
And then secondary reverse starting driving motor 10 and electric rotating machine 18 so that lifter plate 22 moves down, while 26 lower end of third connecting rod is past
Outside is moved, and is put down well lid, is realized the installation to Cover of inspection well, easy to operate, and reliability is high.The present invention, it is rational in infrastructure, if
Meter is novel, by the mutual cooperation between the lifter wheel 17 and lifter rack 20 that are equipped with, realize to lifter plate 22 up and down
It is mobile, and then meet the promotion needs to well lid, while the mutual cooperation between multiple connecting rods by being equipped with, it realizes pair
The gripping of well lid avoids multiple construction workers from carrying out lift and takes, both reduced the labor intensity of worker, while also increased and construct
Efficiency, it is highly practical.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of municipal construction road cellar well lid rapid installation device, including pedestal（1）, which is characterized in that the pedestal（1）
Upper end both sides are equipped with supporting rack（4）, supporting rack（4）Upper end is equipped with top plate（6）, top plate（6）Upper center is equipped with driving
Motor（10）, driving motor（10）Lower end is equipped with drive shaft（9）, drive shaft（9）Driving gear is installed in the middle part of lower end（11）,
Driving gear（11）Both ends are engaged with driven gear（8）, driven gear（8）Driven shaft is installed in the middle part of lower end（13）, driven shaft
（13）Lower end is equipped with worm screw（15）, worm screw（15）Outside is engaged with worm gear（16）, worm gear（16）Middle part is equipped with rotation axis
（14）, the rotation axis（14）Middle part is equipped with position-limited rack（12）, position-limited rack（12）Upper end is equipped with driving box（7）, driving box
（7）Upper frame is fixed in upper end（5）In the middle part of lower end, the rotation axis（14）Front center is equipped with lifter wheel（17）, lifting tooth
Wheel（17）Outside is engaged with lifter rack（20）, the upper frame（6）Lower end both sides are equipped with lead（5）, lead（5）Lower end
Middle part is equipped with limit spring（2）, limit spring（2）Lower end is fixed with lifting column（3）, lifting column（3）Lower end is equipped with lifting
Plate（22）, lifter plate（22）Upper center is equipped with electric rotating machine（18）, electric rotating machine（18）Lower end is equipped with screw rod（24）, spiral shell
Bar（24）Lower end is equipped with sliding block（21）, sliding block（21）Both ends are equipped with first connecting rod（25）, first connecting rod（25）Both ends are hinged
There is second connecting rod（27）, second connecting rod（27）Lower end is hinged with third connecting rod（26）, third connecting rod（26）Middle part is hinged with the 4th
Connecting rod（28）, the pedestal（1）Right side central is equipped with guide sleeve（36）, guide sleeve（36）Inside is equipped with orientation stand（34）,
Orientation stand（34）Axis of orientation is installed in the middle part of lower end（32）, axis of orientation（32）Middle part is equipped with steering wheel（33）, the pedestal（1）
Walker is installed on the left of lower end（31）, walker（31）Center bottom is equipped with walking axle（29）, walking axle（29）Pacify at middle part
Equipped with traveling wheel（30）, the pedestal（1）Middle part is equipped with and electric rotating machine（18）The recessing groove of mutual cooperation（40）, pedestal（1）
Middle part both ends are equipped with and lifting column（3）The lift span of cooperation（39）.
2. a kind of municipal construction according to claim 1 road cellar well lid rapid installation device, which is characterized in that described
Lifter plate（22）Middle part is equipped with and screw rod（24）The limit hole of mutual cooperation（19）.
3. a kind of municipal construction according to claim 1 road cellar well lid rapid installation device, which is characterized in that described
Fourth link（28）Upper end is fixedly connected on lifter plate（22）Lower end.
4. a kind of municipal construction according to claim 1 road cellar well lid rapid installation device, which is characterized in that described
Third connecting rod（26）End is equipped with fixture block（23）, fixture block（23）Middle part is equipped with the clip slot to cooperate with well lid.
5. a kind of municipal construction according to claim 1 road cellar well lid rapid installation device, which is characterized in that described
Orientation stand（34）Upper end is equipped with fixed seat（35）, fixed seat（35）It is fixed on pedestal（1）Upper and lower ends.
6. a kind of municipal construction according to claim 1 road cellar well lid rapid installation device, which is characterized in that described
Orientation stand（34）Top is equipped with rotating disc（38）, rotating disc（38）Upper end is equipped with directional lever（37）.
7. a kind of municipal construction according to claim 1 road cellar well lid rapid installation device, which is characterized in that described
Lifting column（3）Upper center is equipped with and lead（5）The guide groove of mutual cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160092.XA CN108083195A (en) | 2017-11-20 | 2017-11-20 | A kind of municipal construction road cellar well lid rapid installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160092.XA CN108083195A (en) | 2017-11-20 | 2017-11-20 | A kind of municipal construction road cellar well lid rapid installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108083195A true CN108083195A (en) | 2018-05-29 |
Family
ID=62172621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711160092.XA Pending CN108083195A (en) | 2017-11-20 | 2017-11-20 | A kind of municipal construction road cellar well lid rapid installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108083195A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589791A (en) * | 2018-07-18 | 2018-09-28 | 彭渤 | A kind of installation equipment of municipal administration inspection well cover |
| CN108589792A (en) * | 2018-07-18 | 2018-09-28 | 彭渤 | A kind of mounting device of municipal administration inspection well cover |
| CN109850831A (en) * | 2019-03-18 | 2019-06-07 | 合肥鎏通网络科技有限公司 | A kind of communication engineering construction well lid extraction element convenient for operation |
| CN111762735A (en) * | 2020-07-01 | 2020-10-13 | 广东电网有限责任公司 | Hoisting mechanism and cover plate hoisting device |
| CN111997094A (en) * | 2020-08-25 | 2020-11-27 | 泉州市汇达工业设计有限公司 | Town road well lid theftproof positioner |
| CN112158763A (en) * | 2020-11-15 | 2021-01-01 | 苏州冀联通信工程有限公司 | Well lid extraction element is used in construction |
| CN112607348A (en) * | 2021-01-21 | 2021-04-06 | 深圳市佃红玉贸易有限公司 | Well lid haulage equipment |
| CN114041458A (en) * | 2021-11-09 | 2022-02-15 | 山东省农业科学院 | Safe preservation device and preservation method for seed resources |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204958332U (en) * | 2015-05-28 | 2016-01-13 | 青岛农业大学 | Manhole cover opener |
| CN107128860A (en) * | 2017-06-27 | 2017-09-05 | 许凤梅 | A kind of well cover for sewer lifting means |
| CN107265375A (en) * | 2017-07-20 | 2017-10-20 | 永春左耳贸易有限公司 | A kind of municipal administration plays lid arrangement with manhole |
-
2017
- 2017-11-20 CN CN201711160092.XA patent/CN108083195A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204958332U (en) * | 2015-05-28 | 2016-01-13 | 青岛农业大学 | Manhole cover opener |
| CN107128860A (en) * | 2017-06-27 | 2017-09-05 | 许凤梅 | A kind of well cover for sewer lifting means |
| CN107265375A (en) * | 2017-07-20 | 2017-10-20 | 永春左耳贸易有限公司 | A kind of municipal administration plays lid arrangement with manhole |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589791A (en) * | 2018-07-18 | 2018-09-28 | 彭渤 | A kind of installation equipment of municipal administration inspection well cover |
| CN108589792A (en) * | 2018-07-18 | 2018-09-28 | 彭渤 | A kind of mounting device of municipal administration inspection well cover |
| CN109850831A (en) * | 2019-03-18 | 2019-06-07 | 合肥鎏通网络科技有限公司 | A kind of communication engineering construction well lid extraction element convenient for operation |
| CN111762735A (en) * | 2020-07-01 | 2020-10-13 | 广东电网有限责任公司 | Hoisting mechanism and cover plate hoisting device |
| CN111997094A (en) * | 2020-08-25 | 2020-11-27 | 泉州市汇达工业设计有限公司 | Town road well lid theftproof positioner |
| CN112158763A (en) * | 2020-11-15 | 2021-01-01 | 苏州冀联通信工程有限公司 | Well lid extraction element is used in construction |
| CN112607348A (en) * | 2021-01-21 | 2021-04-06 | 深圳市佃红玉贸易有限公司 | Well lid haulage equipment |
| CN114041458A (en) * | 2021-11-09 | 2022-02-15 | 山东省农业科学院 | Safe preservation device and preservation method for seed resources |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108083195A (en) | A kind of municipal construction road cellar well lid rapid installation device | |
| CN108264002B (en) | A kind of municipal road construction plays lid arrangement with inspection well cover automatically | |
| CN107724432B (en) | A kind of town road road surface manhole lid arrangement | |
| CN103162203B (en) | A kind of chute-type lifting pole for road lamp and preparation method thereof | |
| CN103532051B (en) | A kind of 180 degree of rotation and lifting insulated platforms | |
| CN107905068A (en) | A kind of municipal construction road repair dead-weight compaction apparatus | |
| CN202595768U (en) | Self-elevation inspection well lid | |
| CN109795964A (en) | A kind of municipal construction culvert pipe hanging device | |
| CN207684838U (en) | A kind of town road road surface manhole lid arrangement | |
| CN107630470A (en) | A kind of town road manhole rapid installation device | |
| CN111620282A (en) | Municipal works construction is mentioned device with well lid | |
| CN206035412U (en) | Automatic mechanized device of oil field safety ring guarantee well | |
| CN101494359B (en) | Extra high voltage line multifunctional combined galloping | |
| CN204753443U (en) | Electronicly turn over board -like banister | |
| CN208200194U (en) | A kind of loop wheel machine | |
| CN219491017U (en) | Foundation pit supporting structure | |
| CN108842669A (en) | A kind of multi-functional municipal works notice board of delicate structure | |
| CN209432136U (en) | A kind of cable channel sedimentation instruction device | |
| CN110562893B (en) | Inspection shaft lid maintenance of equipment for town road construction | |
| CN107539771A (en) | A kind of Municipal Engineering Construction clip pipeline handling device | |
| CN207312611U (en) | A kind of Municipal Engineering Construction clip pipeline handling device | |
| CN207193754U (en) | A kind of urban road and bridge on highway maintenance Hanging Basket | |
| CN214337344U (en) | Line support device for municipal works | |
| CN212953915U (en) | Hoisting device for large-diameter pipe jacking construction | |
| CN207582253U (en) | A kind of municipal construction road repair dead-weight compaction apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180529 |
|
| RJ01 | Rejection of invention patent application after publication |