CN107675900A - A kind of construction wall multidigit breaker - Google Patents
A kind of construction wall multidigit breaker Download PDFInfo
- Publication number
- CN107675900A CN107675900A CN201710974080.4A CN201710974080A CN107675900A CN 107675900 A CN107675900 A CN 107675900A CN 201710974080 A CN201710974080 A CN 201710974080A CN 107675900 A CN107675900 A CN 107675900A
- Authority
- CN
- China
- Prior art keywords
- frame
- multidigit
- mounting seat
- sucker
- rotating shaft
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
- E04G23/082—Wrecking of buildings using shears, breakers, jaws and the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of construction wall multidigit breaker, including base, frame, baffle plate, mounting seat, sucker, hydraulically extensible bar and connecting rod；Screw rod is rotatablely equipped with the inside of the frame, the inner side of frame is also slidably fitted with lifting seat, and lifting seat is connected through a screw thread with screw rod；The left pivot movement of the mounting seat is provided with the second rotating shaft, and the other end of the second rotating shaft is fixedly connected with disk, three drilling rods are symmetrically installed with the left of disk；The sucker is fixedly mounted on the upper left side of frame, and the downside of sucker is uniformly provided with some suction nozzles.Breaker is designed to vehicle structure by the present invention, the position of adjustment drilling rod that can be multi-faceted, while is provided with three drilling rods and wall progress multidigit is crushed, not only simple to operate, and crushing effect is excellent；Suction nozzle is provided with simultaneously to remove to caused dust in work progress, is protected the health of workmen, is prevented workmen from dust is sucked into lung.
Description
Technical field
The present invention relates to construction machinery equipment technical field, specifically a kind of construction wall multidigit breaker.
Background technology
Building is that people use all utilizable materials such as soil, stone, wood, steel, glass, reed, plastics, ice cube, is built
Structures.Building itself is not purpose, and the purpose of building is to obtain " space " that building is formed.It is people to meet
Social life needs, and utilizes grasped material technology means, and with certain scientific law, geomantic omen theory and aesthetic principle
The artificial environment of creation.
In construction, it is often necessary to break process is carried out to wall, existing wall is broken mainly to be entered using rig
Row operation, traditional broken rig its in operation process is carried out, it is necessary to manual operation, not only labor intensity is big, and have
Certain danger；At the same time, existing rig is typically crushed using single drilling rod to wall, and crushing efficiency is low, and
And crushing effect is poor, construction demand can not be met.
The content of the invention
It is an object of the invention to provide a kind of construction wall multidigit breaker, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：
A kind of construction wall multidigit breaker, including base, frame, baffle plate, mounting seat, sucker, hydraulically extensible bar and connection
Bar；Slide rail is installed with the base, the basal sliding of the frame is arranged on slide rail；The hydraulically extensible bar is fixed
Installed in the right side of base, the telescopic end of hydraulically extensible bar is fixedly connected with the lower right side of frame；The inner side of the frame rotates
Screw rod is installed, the inner side of frame is also slidably fitted with lifting seat, and lifting seat is connected through a screw thread with screw rod；Under the frame
Side is rotatablely equipped with joystick, and the left end of joystick is fixedly connected with the first drive bevel gear, and peace is fixed in the lower end of the screw rod
Equipped with the first driven wheel of differential, the first driven wheel of differential is meshed with the first drive bevel gear；The mounting seat and lifting seat
Inside is correspondingly arranged on some grooves, and the connecting rod is H type structures, and connecting rod has several, the left and right ends point of connecting rod
It is not slidably mounted on mounting seat and the inside of groove that lifting seat opens up, and the left and right ends of connecting rod pass through spring and peace respectively
The inwall for the groove that dress seat opens up with lifting seat is fixedly connected；The left pivot movement of the mounting seat is provided with the second rotating shaft, and second
The other end of rotating shaft is fixedly connected with disk, and helical teeth circle is provided with the right side of disk, and the both sides up and down of mounting seat are rotatablely installed
There is first rotating shaft, first rotating shaft is fixedly connected with the second drive bevel gear, two the second active conical tooths close to one end of helical teeth circle
Wheel is meshed with the both sides up and down of helical teeth circle respectively；Three drilling rods are symmetrically installed with the left of the disk；The sucker is fixed
Installed in the upper left side of frame, the downside of sucker is uniformly provided with some suction nozzles, and suction nozzle is located at the top of drilling rod；The frame
Right side is also installed with collection ash bucket, and collection ash bucket is connected by breather pipe with sucker；The baffle plate is fixedly mounted by support
In the left end of base, inclined upward is set baffle plate to the right；Supporting leg is provided with the corner of the base, supporting leg is elastic telescopic
Shock-damping structure, and the lower end of supporting leg is rotatablely equipped with self-locking trundle.
As the further scheme of the present invention：The upside of the mounting seat is also installed with stepper motor, stepper motor
Output end be fixedly connected with first rotating shaft.
As further scheme of the invention：Air pump is provided with the breather pipe.
As further scheme of the invention：The right side opening of the collection ash bucket is provided with exhaust outlet, is provided with exhaust outlet
Filter screen.
As further scheme of the invention：Cleaning door is additionally provided with the downside of the collection ash bucket.
As further scheme of the invention：Control device, control device control are additionally provided with the right side of the frame
Connect stepped hydraulic expansion link, stepper motor and air pump.
Compared with prior art, the beneficial effects of the invention are as follows：Breaker is designed to vehicle structure by the present invention, can
The position of multi-faceted adjustment drilling rod, while be provided with three drilling rods and wall progress multidigit is crushed, it is not only simple to operate, and
Crushing effect is excellent；Suction nozzle is provided with simultaneously removes the health for caused dust in work progress, protecting workmen,
Prevent workmen from dust is sucked into lung.
Brief description of the drawings
Fig. 1 is the structural representation of construction wall multidigit breaker.
Fig. 2 is the structural representation of disk in construction wall multidigit breaker.
Fig. 3 is the left view of disk in construction wall multidigit breaker.
Fig. 4 is the structural representation of mounting seat and lifting seat in construction wall multidigit breaker.
In figure：1- bases, 2- frames, 3- slide rails, 4- supports, 5- baffle plates, 6- mounting seats, 7- suction nozzles, 8- suckers, 9- ventilations
Pipe, 10- screw rods, 11- collection ash bucket, 12- exhaust outlets, 13- cleaning doors, 14- control devices, 15- lifting seats, 16- joysticks, 17-
First drive bevel gear, the driven wheels of differential of 18- first, 19- hydraulically extensibles bar, 20- supporting legs, 21- self-locking trundles, 22- drilling rods,
23- disks, 24- helical teeth circle, 25- stepper motors, 26- first rotating shafts, the drive bevel gears of 27- second, the rotating shafts of 28- second, 29- are recessed
Groove, 30- springs, 31- connecting rods.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~4, in the embodiment of the present invention, a kind of construction wall multidigit breaker, including base 1, frame 2,
Baffle plate 5, mounting seat 6, sucker 8, hydraulically extensible bar 19 and connecting rod 31；Slide rail 3, the machine are installed with the base 1
The basal sliding of frame 2 is arranged on slide rail 3；The hydraulically extensible bar 19 is fixedly mounted on the right side of base 1, hydraulically extensible bar 19
Telescopic end be fixedly connected with the lower right side of frame 2, when hydraulically extensible bar 19 stretches drive frame 2 moved left and right on slide rail 3；
The inner side of the frame 2 is rotatablely equipped with screw rod 10, and the inner side of frame 2 is also slidably fitted with lifting seat 16, lifting seat 15 and spiral shell
Bar 10 is connected through a screw thread, and drives lifting seat 15 to rise when screw rod 10 rotates clockwise, and is driven and is risen when screw rod 10 rotates counterclockwise
Drop seat 15 declines；The downside of the frame 2 is rotatablely equipped with joystick 16, and the left end of joystick 16 is fixedly connected with first actively
Bevel gear 17, the lower end of the screw rod 10 are installed with the first driven wheel of differential 18, the first driven wheel of differential 18 and the first master
Dynamic bevel gear 17 is meshed, and drives the first drive bevel gear 17 to rotate by rotating joystick 16, so as to drive first from mantle
Gear 18 rotates, so as to drive screw rod 10 to rotate；The inside of the mounting seat 6 and lifting seat 15 is correspondingly arranged on some grooves
29, the connecting rod 31 is H type structures, and connecting rod 31 has several, and the left and right ends of connecting rod 31 are slidably mounted on peace respectively
The inside for the groove 29 that dress seat 6 and lifting seat 15 open up, and the left and right ends of connecting rod 31 pass through spring 30 and mounting seat 6 respectively
The inwall of the groove 29 opened up with lifting seat 15 is fixedly connected, to reduce the vibration of mounting seat 6 and the junction of lifting seat 15；Institute
The left pivot movement for stating mounting seat 6 is provided with the second rotating shaft 28, and the other end of the second rotating shaft 28 is fixedly connected with disk 23, disk 23
Right side be provided with helical teeth circle 24, the both sides up and down of mounting seat 6 are rotatablely equipped with first rotating shaft 26, and first rotating shaft 26 is close to tiltedly
One end of gear ring 24 is fixedly connected with the second drive bevel gear 27, and two the second drive bevel gears 27 are upper with helical teeth circle 24 respectively
Lower both sides are meshed；The upside of the mounting seat 6 is also installed with stepper motor 25, the output end of stepper motor 25 and first
Rotating shaft 26 is fixedly connected, and stepper motor 25 drives first rotating shaft 26 to rotate, so as to drive helical teeth by the second drive bevel gear 27
Circle 24 rotates, so as to drive the second rotating shaft 28 to rotate；The left side of the disk 23 is symmetrically installed with three drilling rods 22, three drilling rods
22 work simultaneously crush to wall, improve crushing effect, accelerate broken speed；The sucker 8 is fixedly mounted on frame 2
Upper left side, the downside of sucker 8 are uniformly provided with some suction nozzles 7, and suction nozzle 7 is located at the top of drilling rod 22, so as to which drilling rod 22 is worked
Caused dust is pumped into the inside of sucker 8；The right side of the frame 2 is also installed with collection ash bucket 11, and collection ash bucket 11 passes through
Breather pipe 9 is connected with sucker 8, and air pump is provided with the breather pipe 9, so as to which dusty gas is pumped into collection ash bucket 11
Portion；The right side opening of the collection ash bucket 11 is provided with exhaust outlet 12, filter screen is provided with exhaust outlet 12, after dusty gas is filtered
Discharge, the downside of collection ash bucket 11 is additionally provided with cleaning door 13, to clear up dust；The baffle plate 5 is fixed by support 4
Installed in the left end of base 1, inclined upward is set baffle plate 5 to the right, so that stone caused by drilling rod 22 is worked guides ground into,
Prevent stone from damaging base 1；The right side of the frame 2 is additionally provided with control device 14, the control connection stepped hydraulic of control device 14
Expansion link 1, stepper motor 25 and air pump；Supporting leg 20, the lower end rotational installation of supporting leg 20 are provided with the corner of the base 1
There is self-locking trundle 21, so as to the movement and fixation of device；The supporting leg 20 is elastic telescopic shock-damping structure, to improve base 1
Stability.
The present invention operation principle be：The construction wall multidigit breaker, device is shifted onto by wall to be broken,
After fixed self-locking trundle 21, the height of lifting seat 15 is adjusted either manually or by joystick 16, then starts hydraulically extensible bar 19, to the left
Frame 2 is promoted, drilling rod 22 is close to surface of wall, starts stepper motor 25, stepper motor 25 drives disk 23 to rotate, with adjustment
The position of drilling rod 22, after drilling rod 22 is in suitable operating position, wall is crushed by drilling rod 22, produced when broken
Dust be pumped into by suction nozzle 7 in collection ash bucket 11, it is broken caused by stone tumbled in the presence of baffle plate 5 to ground.
Breaker is designed to vehicle structure by the present invention, the position of adjustment drilling rod that can be multi-faceted, is provided with simultaneously
Three drilling rods carry out multidigit to wall and crushed, not only simple to operate, and crushing effect is excellent；Suction nozzle removal pair is provided with simultaneously
Caused dust in work progress, protects the health of workmen, prevents workmen from dust is sucked into lung.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of construction wall multidigit breaker, it is characterised in that including base（1）, frame（2）, baffle plate（5）, mounting seat
（6）, sucker（8）, hydraulically extensible bar（19）And connecting rod（31）；The base（1）On be installed with slide rail（3）, the machine
Frame（2）Basal sliding be arranged on slide rail（3）On；The hydraulically extensible bar（19）It is fixedly mounted on base（1）Right side, hydraulic pressure
Expansion link（19）Telescopic end and frame（2）Lower right side be fixedly connected；The frame（2）Inner side be rotatablely equipped with screw rod
（10）, frame（2）Inner side be also slidably fitted with lifting seat（16）, lifting seat（15）With screw rod（10）It is connected through a screw thread；Institute
State frame（2）Downside be rotatablely equipped with joystick（16）, joystick（16）Left end be fixedly connected with the first drive bevel gear
（17）, the screw rod（10）Lower end be installed with the first driven wheel of differential（18）, the first driven wheel of differential（18）With first
Drive bevel gear（17）It is meshed；The mounting seat（6）And lifting seat（15）Inside be correspondingly arranged on some grooves（29）, institute
State connecting rod（31）For H type structures, connecting rod（31）There are several, connecting rod（31）Left and right ends be slidably mounted on peace respectively
Fill seat（6）And lifting seat（15）The groove opened up（29）Inside, and connecting rod（31）Left and right ends pass through spring respectively
（30）With mounting seat（6）And lifting seat（15）The groove opened up（29）Inwall be fixedly connected；The mounting seat（6）Left side turn
It is dynamic that second rotating shaft is installed（28）, the second rotating shaft（28）The other end be fixedly connected with disk（23）, disk（23）Right side set
It is equipped with helical teeth circle（24）, mounting seat（6）Both sides up and down be rotatablely equipped with first rotating shaft（26）, first rotating shaft（26）Close to tiltedly
Gear ring（24）One end be fixedly connected with the second drive bevel gear（27）, two the second drive bevel gears（27）Respectively with helical teeth circle
（24）Both sides up and down be meshed；The disk（23）Left side be symmetrically installed with three drilling rods（22）；The sucker（8）It is fixed
Installed in frame（2）Upper left side, sucker（8）Downside some suction nozzles are uniformly installed（7）, suction nozzle（7）Positioned at drilling rod（22）
Top；The frame（2）Right side be also installed with collection ash bucket（11）, collect ash bucket（11）Pass through breather pipe（9）With sucker
（8）It is connected；The baffle plate（5）Pass through support（4）It is fixedly mounted on base（1）Left end, baffle plate（5）Inclined upward is set to the right
Put；The base（1）Corner at be provided with supporting leg（20）, supporting leg（20）For elastic telescopic shock-damping structure, and supporting leg（20）
Lower end be rotatablely equipped with self-locking trundle（21）.
2. construction wall multidigit breaker according to claim 1, it is characterised in that the mounting seat（6）Upside
Also it is installed with stepper motor（25）, stepper motor（25）Output end and first rotating shaft（26）It is fixedly connected.
3. construction wall multidigit breaker according to claim 1, it is characterised in that the breather pipe（9）Upper setting
There is air pump.
4. construction wall multidigit breaker according to claim 1, it is characterised in that the collection ash bucket（11）Right side
Offer exhaust outlet（12）, exhaust outlet（12）On be provided with filter screen.
5. construction wall multidigit breaker according to claim 4, it is characterised in that the collection ash bucket（11）Downside
It is additionally provided with cleaning door（13）.
6. construction wall multidigit breaker according to claim 3, it is characterised in that the frame（2）Right side also
It is provided with control device（14）, control device（14）Control connection stepped hydraulic expansion link（1）, stepper motor（25）And air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974080.4A CN107675900B (en) | 2017-10-19 | 2017-10-19 | A kind of construction wall multidigit crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974080.4A CN107675900B (en) | 2017-10-19 | 2017-10-19 | A kind of construction wall multidigit crushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107675900A true CN107675900A (en) | 2018-02-09 |
| CN107675900B CN107675900B (en) | 2019-11-05 |
Family
ID=61140676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710974080.4A Expired - Fee Related CN107675900B (en) | 2017-10-19 | 2017-10-19 | A kind of construction wall multidigit crushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107675900B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468435A (en) * | 2018-04-18 | 2018-08-31 | 慈溪市启承机械科技有限公司 | A kind of architectural furniture being crushed for metope |
| CN108612332A (en) * | 2018-05-14 | 2018-10-02 | 王兰兰 | A kind of not damaged automatic processing equipment of building wall |
| CN110080557A (en) * | 2019-05-13 | 2019-08-02 | 湖南工学院 | A kind of wall dismounting device |
| CN110158993A (en) * | 2018-02-10 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of municipal construction reciprocating dismounting device of violation billboard rotation |
| CN110726479A (en) * | 2019-11-01 | 2020-01-24 | 徐州鑫维盛精密自动化设备有限公司 | Non-contact multispectral temperature measuring device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2678311A1 (en) * | 1991-06-25 | 1992-12-31 | Morel Sa | Tool, method and equipment for demolition of walls, particularly of chimneys |
| CN2535212Y (en) * | 2002-04-02 | 2003-02-12 | 曹利华 | Wall cutting machine |
| CN203700925U (en) * | 2014-01-27 | 2014-07-09 | 成英才 | Cleaning machine for highway pavement maintenance |
| CN106351465A (en) * | 2016-08-30 | 2017-01-25 | 刘德平 | Efficient wall demolishing apparatus for building site |
| CN106677556A (en) * | 2016-12-04 | 2017-05-17 | 叶强 | Intelligent wall breaking robot |
| CN206220561U (en) * | 2016-11-15 | 2017-06-06 | 杨建锋 | The quick device of demolishing walls of one kind building |
-
2017
- 2017-10-19 CN CN201710974080.4A patent/CN107675900B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2678311A1 (en) * | 1991-06-25 | 1992-12-31 | Morel Sa | Tool, method and equipment for demolition of walls, particularly of chimneys |
| CN2535212Y (en) * | 2002-04-02 | 2003-02-12 | 曹利华 | Wall cutting machine |
| CN203700925U (en) * | 2014-01-27 | 2014-07-09 | 成英才 | Cleaning machine for highway pavement maintenance |
| CN106351465A (en) * | 2016-08-30 | 2017-01-25 | 刘德平 | Efficient wall demolishing apparatus for building site |
| CN206220561U (en) * | 2016-11-15 | 2017-06-06 | 杨建锋 | The quick device of demolishing walls of one kind building |
| CN106677556A (en) * | 2016-12-04 | 2017-05-17 | 叶强 | Intelligent wall breaking robot |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158993A (en) * | 2018-02-10 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of municipal construction reciprocating dismounting device of violation billboard rotation |
| CN108468435A (en) * | 2018-04-18 | 2018-08-31 | 慈溪市启承机械科技有限公司 | A kind of architectural furniture being crushed for metope |
| CN108612332A (en) * | 2018-05-14 | 2018-10-02 | 王兰兰 | A kind of not damaged automatic processing equipment of building wall |
| CN108612332B (en) * | 2018-05-14 | 2020-07-17 | 中铁（贵州）市政工程有限公司 | Building wall nondestructive automatic processing equipment |
| CN110080557A (en) * | 2019-05-13 | 2019-08-02 | 湖南工学院 | A kind of wall dismounting device |
| CN110080557B (en) * | 2019-05-13 | 2021-03-30 | 湖南工学院 | Wall dismantling device |
| CN110726479A (en) * | 2019-11-01 | 2020-01-24 | 徐州鑫维盛精密自动化设备有限公司 | Non-contact multispectral temperature measuring device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107675900B (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107675900A (en) | A kind of construction wall multidigit breaker | |
| CN109356639A (en) | A kind of dedusting device for coal mine safety | |
| CN109675667A (en) | A kind of civil engineering stone crushing device | |
| CN110616661B (en) | Road clearance dust absorption and dust device | |
| CN109352447A (en) | A kind of wall polishing device for building | |
| CN108952792A (en) | A kind of energy-saving watering and lowering dust equipment of constructing tunnel | |
| CN107457636A (en) | A kind of terrace sanding machine of convenient use | |
| CN205975436U (en) | Landscape rubbish clearance handcart with labour protection toolbox | |
| CN108160172A (en) | A kind of hydraulic engineering builds stone crushing plant with irrigation canals and ditches | |
| CN108240232A (en) | A kind of dust removing down-hole of coal mine device | |
| CN107409867A (en) | Roadside greening trees snow-removing device is used in a kind of municipal administration | |
| CN207562572U (en) | A kind of Environmental-protecting dust-removing equipment of building engineering construction | |
| CN207406033U (en) | A kind of construction wall multidigit breaker | |
| CN111535221B (en) | Automatic lifting height limiting device for bridge head | |
| CN108160490A (en) | A kind of building Sand screen of Self-suction high-efficient | |
| CN207332274U (en) | Climbing type CONSTRUCTION OPERATIONS platform outside a kind of building | |
| CN215354678U (en) | Grit screening plant for building engineering | |
| CN210751782U (en) | Anhydrous raise dust processing apparatus for building engineering | |
| CN210289674U (en) | Wet dust removal system for coal mine gas pumping drainage drilling | |
| CN210584204U (en) | Building site dust collector | |
| CN203791000U (en) | Watermill | |
| CN206487503U (en) | Sbusidence Damage area protection device | |
| CN111980937A (en) | Anti-blocking deep well pump with reciprocating vibration function | |
| CN106475309A (en) | A kind of eccentric wheel Sand screen | |
| CN221703719U (en) | Coal mine tunneling air curtain dust removal device |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191010 Address after: 101300 south side of niuban Road, Niulanshan Town, Shunyi District, Beijing Applicant after: Beijing Tongxin Construction Co.,Ltd. Address before: 410000 Room A1328, Headquarters Building, Changsha Zhongdian Software Park Co., Ltd., 39 Jianshan Road, Changsha High-tech Development Zone, Hunan Province Applicant before: CHANGSHA FENGYING MACHINERY TECHNOLOGY CO.,LTD. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20211019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |