CN105889081B - Vane type appts. for transferring ready-mixed concrete - Google Patents
Vane type appts. for transferring ready-mixed concrete Download PDFInfo
- Publication number
- CN105889081B CN105889081B CN201610413966.7A CN201610413966A CN105889081B CN 105889081 B CN105889081 B CN 105889081B CN 201610413966 A CN201610413966 A CN 201610413966A CN 105889081 B CN105889081 B CN 105889081B
- Authority
- CN
- China
- Prior art keywords
- shrouding
- vane type
- mixed concrete
- plate
- blade
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides vane type appts. for transferring ready-mixed concrete, including hopper, it is in arc support part to be provided with below the hopper, the support member includes supporting plate, located at the hollow striker plate of supporting plate circumference, the upper end of the striker plate offers feeding mouth, lower end is connected with discharge nozzle, sealing arcuation material-blocking plate is provided between the feeding mouth side and discharge nozzle, a rotor is arranged with the support member, the rotor includes flap, connector, rotating disk, cross recess is offered on the rotating disk, a pair of blades are installed in the cross recess, the rotating disk is externally provided with the shrouding being connected with striker plate.The present apparatus is simple in construction and compact, changes that traditional structure is complicated, volume is big and the defects of weight, and light weight, small volume, convenience in transport, use range is wide, and manufacturing cost and use cost are low, and discharging at the uniform velocity and quickly, should be widely promoted.
Description
Technical field
The present invention relates to a kind of building machinery, and in particular to vane type appts. for transferring ready-mixed concrete.
Background technology
Concrete pump is the capital equipment in cement concrete machinery, for the defeated of vertical and horizontal direction concrete
Work is sent, there is efficiency high, quality is good, mechanization degree is high and is not limited and can reduced environmental pollution by field condition during operation
The features such as, it is widely used in skyscraper, colliery, mine, tunnel, railway, highway.Bridges and culverts.Harbour, water conservancy, electric power, national defence work
The mixed mud engineering such as journey.
Existing mixed mud delivery pump is made up of the pump housing and delivery pipe, complicated, volume be present greatly and again, valency
The deficiencies of lattice costliness, so as to transport difficult, use range has also limited.
The content of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of vane type appts. for transferring ready-mixed concrete, the apparatus structure
Simple and compact, light weight, small volume, convenience in transport, use range is wide, and manufacturing cost is low.
In order to achieve the above object, the technical scheme that the present invention takes：
Vane type appts. for transferring ready-mixed concrete, including hopper, it is in arc support part to be provided with below the hopper, the support member
Round-meshed supporting plate, the hollow striker plate located at supporting plate circumference are opened up including centre, the upper end of the striker plate offers
The feeding mouth that is connected with hopper bottom, lower end are connected with discharge nozzle, and sealing arc is provided between the feeding mouth side and discharge nozzle
Shape material-blocking plate, is arranged with a rotor in the support member, and the rotor includes the flap being set in supporting plate circular hole, described turn
The side of plate is provided with the connector for being used to connect drive device, opposite side is provided with the rotating disk being set in striker plate, the rotating disk
On offer cross recess, a pair of blades are installed in the cross recess, this to offered on blade contact face sliding groove and
Two rolling bearings are mounted on thereon, and the rotating disk is externally provided with the shrouding being connected with striker plate, and the shrouding center offers logical
Hole, interior be provided with of the through hole are fixed on shrouding and an arcuation of the track slided for rolling bearing are formed between shrouding
Track plates, the top of the track plates, which is provided with, is used for the first fastener that rolling bearing outwards slides.
As optimal technical scheme, in order to ensure the lubrication of rotor and blade, be advantageous to rotor and run well with blade, carried
The operating efficiency of high device, while the service life of Extending Rotor and blade, the shrouding, which is provided with, is used for lubricated rotor and leaf
The profit oil pipe of piece.
As optimal technical scheme, during in order to prevent from adhering to stone on blade tip, blade rotation damage support member, simultaneously
Also the normal rotation of blade is ensured, the side of the feeding mouth is provided with protection cleaning device.
As optimal technical scheme, slided in order to which blade displacement is effectively ensured, so as to be advantageous to present apparatus discharging it is smooth and
Quickly, the bottom of the shrouding through hole, which is provided with, is used for the second fastener that rolling bearing outwards slides.
It is smooth so as to be advantageous to present apparatus discharging in order to be further ensured that blade displacement is slided as optimal technical scheme
And it is quick, first fastener is with perpendicular in 45 ° of installations.
As optimal technical scheme, in order to ensure that device can at the uniform velocity discharge, while avoiding device gets stuck, the feeding mouth
A/F is less than or equal to 1/5th circumference of striker plate.
Compared with prior art, the device have the advantages that：
1st, rotor is arranged in support member, blade is arranged in rotor, it is simple in construction and compact, change traditional structure and answer
Miscellaneous, volume is big and the defects of weight, light weight, small volume, convenience in transport, use range is wide, and manufacturing cost and use cost are low.
2nd, the profit oil pipe of lubricated rotor and blade is provided on shrouding, ensures the lubrication of rotor and blade, is advantageous to turn
Son runs well with blade, improves the operating efficiency of device, while the service life of Extending Rotor and blade.
3rd, a protection cleaning device is provided with feeding mouth, when preventing from adhering to stone on blade tip, blade rotation damage branch
Support member, while also ensure the normal rotation of blade, it is ensured that the operating efficiency of device.
The 4th, second fastener is set on shrouding, and the installation of the first fastener is reasonable, and blade is effectively ensured and is slided from from the bottom of shrouding
To top, it is smooth and quick to be advantageous to present apparatus discharging, improves operating efficiency.
5th, the width of feeding mouth is set reasonable, both ensured device can at the uniform velocity, quickly discharging, while avoiding device gets stuck, shadow
Ring operating efficiency.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of support member；
Fig. 3 is the front schematic view of rotor；
Fig. 4 is the reverse side schematic diagram of rotor；
Fig. 5 is the structural representation of blade；
Fig. 6 is the structural representation of shrouding；
Fig. 7 is the sectional view of the present invention；
Drawing reference numeral：1st, hopper, 2, support member, 2-1, supporting plate, 2-2, striker plate, 2-3, feeding mouth, 2-4, material-blocking plate,
3rd, discharge nozzle, 4, rotor, 4-1, flap, 4-2, connector, 4-3, rotating disk, 5, blade, 5-1, sliding groove, 5-2, rolling bearing,
6th, oil pipe is moistened, 7, shrouding, 7-1, track plates, 7-2, the first fastener, 7-3, the second fastener, 8, protection cleaning device.
Embodiment
A kind of specific embodiment of the present invention, vane type appts. for transferring ready-mixed concrete, including hopper 1 are proposed as shown in Figure 1, it is described
It is in arc support part 2 that the lower section of hopper 1, which is provided with, the support member 2 include it is middle open up round-meshed rounded supporting plate 2-1,
Located at the hollow striker plate 2-2 of supporting plate 2-1 circumference, the upper end of the striker plate 2-1 offers to be entered with what the bottom of hopper 1 was connected
Material mouth 2-3, lower end are connected with discharge nozzle 3, discharge nozzle 3 with can the delivery pipe of delivering concrete be connected, the feeding mouth 2-3 sides
The material-blocking plate 2-4 for sealing and arcuation is provided between discharge nozzle 3, the present embodiment sets material-blocking plate 2-4 to be located at feeding mouth
Right side, material-blocking plate 2-4 have blocked concrete, and feeding mouth 2-3 concrete can only flow to discharge nozzle 3 on the left of striker plate 2-1,
It is arranged with a rotor 4 in the support member 2, the flap 4-1 that the rotor 4 includes being set in supporting plate 2-1 circular holes, described turn
Plate 4-1 side is provided with the connector 4-2 for being used to connect drive device, opposite side is provided with the rotating disk being set in striker plate 2-1
4-3, the present embodiment set the diesel engine that drive device is 8.8kw, the vertical string pendulum reductor of connector 4-2 and diesel engine it is defeated
Go out axis connection, cross recess is offered on the rotating disk 4-2, a pair of blades 5 are installed, this is to blade 5 in the cross recess
Sliding groove 5-1 is offered on contact surface and opens up bearing hole thereon two rolling bearing 5-2 are installed, the present embodiment is set
Rolling bearing 5-2 is put to be externally provided with and striker plate 2- for external diameter 30mm, internal diameter 20mm, thick 15mm needle bearing, the rotating disk 4-3
The shrouding 7 of 2 connections, the center of shrouding 7 offer through hole, the arcuation track plates being fixed on shrouding 7 are provided with the through hole
7-1, gap is left between track plates 7-1 and shrouding 7, the gap be rolling bearing 5-2 dragging track, track plates 7-1
Top be provided with and be used for the first fastener 7-2 that rolling bearing outwards slides, the first fastener 7-2 is installed on a feeding mouth 2-3 left sides
The front end of side, the length of the blade 5 are that rotating disk 4-3 diameter adds striker plate 2-2 thickness, the slip on the blade 5
Groove 5-1 width is 2 times of Circularhole diameter on supporting plate 2-1；The present embodiment sets supporting plate 2-1 a diameter of 825mm, backgauge
Plate 2-2 thickness is 125mm, if support member 2 sets too small, concrete is bad to be inserted, if setting is excessive, discharging pressure is small and makes
Make technique hardly possible；The external diameter of rotor 4 is 575mm, thickness 125mm, then the length of blade 5 is 700mm, sliding groove 5-1 width
For 250mm.
The shrouding 7 is provided with the profit oil pipe 6 for being used for lubricated rotor 4 and blade 5, as shown in fig. 7, when device operates, turns
Son 4 can not stall with blade 5, moistens oil pipe 6 to rotor 4 and the drip lubrication of blade 5, prevents the stuck of rotor 4 and blade 5, favorably
In the normal operation of rotor 4 and blade 5, the operating efficiency of device, while the service life of Extending Rotor 4 and blade 5 are improved.
The side of the feeding mouth 2-3 is provided with protection cleaning device 8, as shown in fig. 7, the present embodiment selection protection cleaning device
8 be sheet rubber, and when adhering to the impurity such as stone, sand on the top of blade 5, when blade 5 is rotated to feeding mouth 2-3, protection is clear
The clean friction of part 8 blade 5, and then the impurity such as stone, sand is dropped, avoid damaging support member 2, while also ensureing blade 5 just
Often rotate and increase the service life.
The bottom of the through hole of shrouding 7, which is provided with, is used for the second fastener 7-3 that rolling bearing 5-2 is outwards slided, the first fastener
7-2 combines the rolling bearing 5-2 displacements that the second fastener 7-3 is effectively ensured on blade 5 and slided, and then with movable vane piece 5 from shrouding 7
Bottom slides to top, be advantageous to the present apparatus discharging it is smooth and quick, improve operating efficiency.
The first fastener 7-2 ensures on blade 5 with perpendicular in 45 ° of installations, the first fastener 7-2 in 45 ° of installations
Rolling bearing 5-2 displacements are slided, and then slide to top from the bottom of shrouding 7 with movable vane piece 5, be advantageous to present apparatus discharging it is smooth and
Quickly, operating efficiency is improved.
The A/F of the feeding mouth 2-3 is less than or equal to striker plate 2-2 1/5th circumference, if feeding mouth 2-3
A/F is too big, and blade 5 can not prop up in time by concrete transportation to discharge nozzle 3, if feeding mouth 2-3 A/F is too small
Raw material is few in support member 2, causes discharging slow, and efficiency is low, feeding mouth 2-3 A/F is less than or equal to five points of striker plate 2-2
One of circumference, avoid getting stuck, while ensure discharging speed, it is ensured that operating efficiency.
When the present invention uses：Device is connected to 8.8kw diesel engine, discharge nozzle 3 is connected to for conveying mixed mud
Delivery pipe, starter, rotor 4 are rotated with blade 5, and mixed mud is poured into hopper 1, and then are flowed into and kept off by feeding mouth 2-3
Intracavitary in flitch 2-2, mixed mud is urged on discharge nozzle 3 under the rotation of blade 5, wherein a blade 5 is rotated to the first fastener
During 7-2 and the 3rd fastener 7-3, the blade 5 is lifted from bottom to top, and blade 5 bypasses resistance material version 2-4, so as to which mixed mud discharging is uniform
It is and quick.
After concrete conveyance is complete, diesel engine is closed, the stop valve on conveyance conduit is also shut off, pulls down and discharge nozzle 3
The conveyance conduit of connection, toward conveyance conduit in fill in cleaning glueballs after, be connected to water under high pressure pump machine (15 liters/min of flow, pressure
On 20Mpa), poured water to conveyance conduit until the rotating wash bowl in pipeline and concrete are all extruded.
Certainly, simply the preferred embodiments of the disclosure is described in detail with reference to accompanying drawing above, not with this
The practical range of the present invention is limited, the equivalence changes that all principle, construction and structure under this invention are made, this all should be covered by
In the protection domain of invention.
Claims (6)
1. vane type appts. for transferring ready-mixed concrete, it is characterised in that：Including hopper (1), it is in arcuation branch to be provided with below the hopper (1)
Support member (2), the support member (2) open up round-meshed supporting plate (2-1), the hollow backgauge located at supporting plate circumference including centre
Plate (2-2), the upper end of the striker plate (2-2) offers the feeding mouth (2-3) being connected with hopper (1) bottom, lower end is connected with
Discharge nozzle (3), is provided with the material-blocking plate (2-4) of arcuation between the feeding mouth side and discharge nozzle (3), the support member (2) is interior
A rotor (4) is arranged with, the rotor (4) includes the flap (4-1) being set in supporting plate (2-1) circular hole, the flap (4-
1) side is provided with the connector (4-2) for being used to connect drive device, opposite side is provided with the rotating disk being set in striker plate (2-2)
(4-3), cross recess is offered on the rotating disk (4-3), a pair of blades (5) are installed, this is to blade (5) in the cross recess
Contact surface on offer sliding groove (5-1) and be mounted on two rolling bearings (5-2) thereon, the rotating disk (4-3) is outside
Provided with the shrouding (7) being connected with striker plate (2-2), shrouding (7) center offers through hole, is provided with the through hole and is fixed on envelope
The arcuation track plates (7-1) for rolling bearing (5-2) dragging track, the rail are formed on plate (7) and between shrouding (7)
The top of guidance tape (7-1), which is provided with, is used for the first fastener (7-2) that rolling bearing (5-2) outwards slides.
2. vane type appts. for transferring ready-mixed concrete according to claim 1, it is characterised in that：The shrouding (7), which is provided with, to be used
In lubricated rotor (4) and the profit oil pipe (6) of blade (5).
3. vane type appts. for transferring ready-mixed concrete according to claim 2, it is characterised in that：The one of the feeding mouth (2-3)
Side is provided with protection cleaning device (8).
4. vane type appts. for transferring ready-mixed concrete according to claim 2, it is characterised in that：The bottom of shrouding (7) through hole
End, which is provided with, is used for the second fastener (7-3) that rolling bearing (5-2) outwards slides.
5. the vane type appts. for transferring ready-mixed concrete according to claim 2 any one, it is characterised in that：First fastener
(7-2) is with perpendicular in 45 ° of installations.
6. the vane type appts. for transferring ready-mixed concrete according to Claims 1 to 4 any one, it is characterised in that：The pan feeding
The A/F of mouth (2-3) is less than or equal to 1/5th circumference of striker plate (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413966.7A CN105889081B (en) | 2016-06-14 | 2016-06-14 | Vane type appts. for transferring ready-mixed concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413966.7A CN105889081B (en) | 2016-06-14 | 2016-06-14 | Vane type appts. for transferring ready-mixed concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889081A CN105889081A (en) | 2016-08-24 |
| CN105889081B true CN105889081B (en) | 2018-01-02 |
Family
ID=56729390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610413966.7A Active CN105889081B (en) | 2016-06-14 | 2016-06-14 | Vane type appts. for transferring ready-mixed concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889081B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB500853A (en) * | 1937-07-26 | 1939-02-16 | Warman Charles Harold | Improvements in centrifugal pumps |
| CN2570502Y (en) * | 2002-06-27 | 2003-09-03 | 冯志俊 | Air pressure type material transfer pump |
| CN203740613U (en) * | 2013-12-20 | 2014-07-30 | 徐州中部矿山设备有限公司 | Dry powder accelerator delivery pump |
| CN103291660B (en) * | 2013-05-29 | 2016-02-03 | 德阳旌农机械有限公司 | Air-suction type impeller case |
| CN205779741U (en) * | 2016-06-14 | 2016-12-07 | 韦品贵 | Vane type appts. for transferring ready-mixed concrete |
-
2016
- 2016-06-14 CN CN201610413966.7A patent/CN105889081B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB500853A (en) * | 1937-07-26 | 1939-02-16 | Warman Charles Harold | Improvements in centrifugal pumps |
| CN2570502Y (en) * | 2002-06-27 | 2003-09-03 | 冯志俊 | Air pressure type material transfer pump |
| CN103291660B (en) * | 2013-05-29 | 2016-02-03 | 德阳旌农机械有限公司 | Air-suction type impeller case |
| CN203740613U (en) * | 2013-12-20 | 2014-07-30 | 徐州中部矿山设备有限公司 | Dry powder accelerator delivery pump |
| CN205779741U (en) * | 2016-06-14 | 2016-12-07 | 韦品贵 | Vane type appts. for transferring ready-mixed concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105889081A (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205779741U (en) | Vane type appts. for transferring ready-mixed concrete | |
| CN203004077U (en) | Concrete sand-stone separation and slurry recovery environmental-protection apparatus | |
| CN110671149A (en) | Drainage system of karst tunnel | |
| CN105889081B (en) | Vane type appts. for transferring ready-mixed concrete | |
| CN208121852U (en) | A kind of mud collection device for underwater desilting | |
| CN106013307B (en) | A kind of structure improved dredger | |
| CN105970876B (en) | A kind of reservoir takes out method for determining sand | |
| CN102536259A (en) | Soil-pressure-equalizing pipe-jacking mud-water converting device | |
| CN208024993U (en) | Flat section is flow automatically water-bound under a kind of pressure pipeline | |
| CN206142327U (en) | Detritus washs conveying equipment and system thereof | |
| CN106762693B (en) | Fault-free rake suction device for coal mine mining face | |
| CN107651327A (en) | A kind of boiler coal bunker blocking prevention device | |
| CN210440082U (en) | Coal mine central sump for on-line continuous dredging | |
| CN210829294U (en) | Underground roadway grouting device | |
| CN207016073U (en) | Conveying tape guide with lubrication filling mechanism | |
| CN210357454U (en) | Crushing device for coal mining of coal mine | |
| CN201763368U (en) | Dust removal box for underground boring construction | |
| CN207783018U (en) | A kind of hydraulic engineering culvert pipe defect detecting device | |
| CN207701337U (en) | Deep well pump sand control check three-port structure | |
| CN207024793U (en) | A kind of carbon pressurizing formula pass filter | |
| CN207829951U (en) | A kind of mining tailrace for preventing cinder from depositing | |
| CN207015898U (en) | A kind of outer rotation cleaner with lubricating arrangement | |
| CN205991892U (en) | Punching grab bucket used in a kind of cohesive soil | |
| CN216827695U (en) | Hydraulic engineering dredges equipment convenient to maintenance | |
| CN220036729U (en) | Working face water control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181220 Address after: Room 120, 51 Fengyong Street, Bengbu City, Anhui Province Patentee after: Anhui Wanli Patent Evaluation Technology Co., Ltd. Address before: Room 602, Unit 2, Building No. 76 Minsheng Street, Qinnan District, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee before: Wei Pingui |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190812 Address after: 226600 West 8 Nanhai Avenue, Haian High-tech Zone, Nantong City, Jiangsu Province Patentee after: Nantong Kodak building materials limited-liability company Address before: Room 120, 51 Fengyong Street, Bengbu City, Anhui Province Patentee before: Anhui Wanli Patent Evaluation Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226600 No.8, Nanhai Avenue West, hi tech Zone, Hai'an City, Nantong City, Jiangsu Province Patentee after: Nantong Keda Building Materials Technology Co.,Ltd. Address before: 226600 No.8, Nanhai Avenue West, hi tech Zone, Hai'an City, Nantong City, Jiangsu Province Patentee before: NANTONG KEDA BUILDING MATERIALS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |