CN205826348U - A kind of concrete undisturbed harvester - Google Patents
A kind of concrete undisturbed harvester Download PDFInfo
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- CN205826348U CN205826348U CN201620760969.3U CN201620760969U CN205826348U CN 205826348 U CN205826348 U CN 205826348U CN 201620760969 U CN201620760969 U CN 201620760969U CN 205826348 U CN205826348 U CN 205826348U
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- concrete
- drilling machine
- core drilling
- dust
- air intake
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Abstract
A kind of concrete undisturbed harvester, including core drilling machine, high pressure positive blower, air intake controller, dust-precipitator, excretion machine.Core drilling machine is arranged on the concrete surface of pre-sampling by its horseshoe base, and fixed screw at six is set at base core drilling machine is fixed with concrete, core drilling machine is provided with drill bit, and drill bit vertically can realize original state core sample collection to inside concrete drill core by the rotating disk of core drilling machine and leading screw.High pressure positive blower is connected with air intake controller by airduct, air intake controller is connected to core drilling machine rotating shaft root, dust-precipitator is fixed on the horseshoe base of core drilling machine by four support ears by cylindrical dust collection cover outer wall welding and the location bar through support ear, and excretion machine is connected on the exhaust duct of dust collection cover by its water smoke pipeline section.This utility model have dust discharge slag, cool down, the depositing dust that gathers dust, noise reduction blowdown, also have be easy to observe, easily operation, the most portable advantage, make the core sample drilled through maintain the original state, and the loss of rig and drill bit can be reduced.
Description
Technical field
This utility model relates to project test detection technical field, particularly relates to a kind of concrete undisturbed collection dress
Put.
Background technology
In concrete for hydraulic structure entity project testing inspection, general core boring sampling all have employed wet brill method.Used sets
Standby mainly have vertical or wheeled core drilling machine and immersible pump etc., uses the mode of limit brill limit water flowing by the dirt slag at drill bit position with latent
The current that water pump is pumped are discharged, and drill bit is cooled down by current simultaneously.Although wet brill method can intactly get concrete core sample,
But when whole concrete is carried out drilling core examination, the method can destroy the concrete original state thing in structure sheaf
Matter, such as hardened cement, aggregate and mineral, earth etc., thus the initial condition of sampling point cannot be observed, therefore at this
Dry drill method core boring sampling should be used in the case of Zhong.
Common dry drill method is not equipped with auxiliary equipment and measure, frequently results in working area flue dust in operation and fills the air,
Cannot accurate observation drill bit depth situation, operator usually need to take the most troublesome safeguard procedures successfully to carry out
Operation, even if having worn the equipment such as safety goggles, protective glasses, but severe operating environment is still unfavorable for immediately observing, operating
Core drilling machine.Therefore improve drill core operation device, configure suitable dust discharge slag, dust-collecting and dust-removing equipment, take noise reduction blowdown measure, change
Kind operating environment, develops a kind of undisturbed harvester for xoncrete structure and seems the most necessary.This device should have
Have dust discharge slag, cool down in right amount, the depositing dust that gathers dust, the comprehensive function of noise reduction blowdown, have be easy to observe, easily operation, the most portable
Feature, simultaneously the core sample drilled through should be made to maintain the original state as far as possible, and reduce the loss of rig and drill bit.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of when dry method gathers concrete original state core sample, tool
Have dust discharge slag, cool down in right amount, the depositing dust that gathers dust, noise reduction blowdown, be easy to observe, easily operation, the most portable concrete undisturbed
Harvester.
The technical scheme is that
A kind of concrete undisturbed harvester, this device is made up of an organic whole five parts, including core drilling machine, height
Pressure fan, air intake controller, dust-precipitator, excretion machine.Described core drilling machine (commercially available prod) is arranged on by its horseshoe base
The concrete surface of pre-sampling, and fixed screw at six is set at base core drilling machine is fixed with concrete, core drilling machine is provided with
Drill bit, drill bit vertically can realize original state core sample collection to inside concrete drill core by the rotating disk of core drilling machine and leading screw.Described
High pressure positive blower is by being connected with air intake controller with manometric airduct, and air intake controller is connected to core drilling machine rotating shaft root.
The receipts that described dust-precipitator consists of four support ears by cylindrical dust collection cover outer wall welding and the location bar through support ear
Dust hood fixed mechanism is fixed on the horseshoe base of core drilling machine.Described excretion machine is connected to dust collection cover by its water smoke pipeline section
On exhaust duct, constitute the concrete undisturbed harvester of an organic whole.
Above-mentioned air intake controller is controlled pipe and constitutes equipped with air intake control Pressure gauge and air intake control valve by air intake, air intake
Controller controls pipe by air intake and is arranged on core drilling machine rotating shaft root, provides pressure wind to drill bit internal.Its pressure wind pass through into
Wind controller controls the aspiration pressure in core drilling machine drill bit, to discharge the dirt slag at drill bit position, front end, can suitably cool down simultaneously
Drill bit.
Above-mentioned dust-precipitator is made up of dust collection cover, aperture-type cover mouth, sealing brush, dust collection cover fixed mechanism, exhaust duct.Described
Dust collection cover is the cylindrical cover body that transparent acrylic material is made, and is opening, and arranges a circle sealing brush bottom cylindrical cover body
It is in close contact with cylindrical cover body feather edge.Cylindrical covering on top is provided with aperture-type cover mouth, core drilling machine vertical to drill bit
Contact with aperture-type cover mouth center edge, and arrive at concrete surface through aperture-type Zhao Kou center.Described aperture-type cover mouth by
Upper cover mouth annular slab, toothed disc, aperture-type blade, the little gear of blade and governor motion composition.Upper cover mouth annular slab is with cylindrical
Dust collection cover uses sealing welding manner to be fixed as an entirety.Toothed disc is made up of annular acrylic board, in toothed disc is provided with
Tooth and external tooth, be arranged in the annular rolling groove above upper cover mouth annular slab, arranges steel ball, it is to avoid toothed disc is around ring in groove
Sliding friction is produced when the heart rotates and between upper cover mouth annular slab.Aperture-type blade is the crescent moon of eight transparent acrylics
Plate, the outer arc segments of every swing link is respectively positioned on the top of segmental arc in adjacent swing link, lays by this, and eight aperture-type blades are successively
Lid pressure is circumferentially distributed, and superposition is arranged in above upper cover mouth annular slab.The little gear of blade is eight and is separately positioned on eight light
Below ring type blade, and being in same level with toothed disc, eight little gears of blade all engage with toothed disc internal tooth, eight
The little gear of blade is inlayed by respective gear shaft and is fixed on swing link end, and the length of described respective gear shaft is with eight leaves
Sheet superposition thickness makes increasing lengths.With following all with spacing preiection above the little gear of blade, fixing blade, isolation leaf were both played
Sheet and the effect of toothed disc, prevent toothed disc overall abjection from the little gear of blade simultaneously.When toothed disc moves in a circle, band
Dynamic eight little gears of blade rotate, so that eight aperture-type blades do synchronous rotary around respective gear shaft, and according to rotation
The difference of angle and form the circular enclosure mouth of different-diameter, form halo effect, in order to the drill bit adapting to different-diameter passes.Bore
Head outer rim is in close contact with aperture-type blade, can play neither obstruction drill core operation, completely cut off the effect of flue dust simultaneously.Regulation machine
Structure, by driving gear, bevel gear group and regulation handle to form (commercially available prod), is arranged on upper cover mouth annular slab and toothed disc edge
Place, by driving gear to be installed together with toothed disc external tooth mesh combination.When rotating regulation handle, regulation handle drives umbrella
Gear train conversion the direction of motion, bevel gear group drive drive gear by regulation handle steering force reach toothed disc, toothed disc with
Rotation move in a circle, so that the little gear of toothed disc band moving vane and the integral property of aperture-type blade-shaped launch and Guan Bi
The aperture-type concentric dome mouth of different-diameter.Described sealing brush is that a circle has certain thickness flexible brush, close hairpencil
Both it had been possible to prevent grieshoch to leak outside, and had been suitable for slight out-of-flatness basal plane simultaneously, is adhering closely to concrete surface.Described dust collection cover is solid
Determine the mechanism's four support ears by cylindrical dust collection cover outer wall welding and the location bar through support ear forms.Location bar is through propping up
In the middle part of support ear, reserved screw hole is tightened to horseshoe base, and masthead portion, location sets compression spring, can make dust collection cover and sealing
Brush is in close contact concrete surface, dust control and noise absorption.Described exhaust duct connecting shaft flow fan, axial flow blower is external by dust collection cover
Impurity and flue dust that drill core operation in dust collection cover is formed by the negative pressure that exhaust duct utilizes convulsion to be formed discharge, and and excretion machine
It is connected.
Above-mentioned excretion machine is made up of small portable immersible pump, water smoke pipeline section, sewage draining exit.Small portable immersible pump is put
In aqua storage tank, connecting water smoke pipeline section, the exhaust duct of water smoke pipeline section one end connecting shaft flow fan with water pipe, the other end is sewage draining exit,
Water smoke pipeline section is one section of double-deck vulcanie pipe being relatively large in diameter, and tube wall is interspersed multiple waterfog head, and shower nozzle goes out mist direction
Towards sewage draining exit.Water smoke pipeline section relies on water smoke to make the microparticle in exhaust duct gas be become water-soluble state from suspended state.Operation
Time, immersible pump discharge pressure water drives waterfog head to be formed vaporific, and the gas containing dust passes through water smoke pipeline section, can be by dust
Become mud to discharge through sewage draining exit.
This utility model have dust discharge slag, cool down in right amount, the depositing dust that gathers dust, the comprehensive function of noise reduction blowdown, also have and be easy to
Observation, easily operation, the most portable advantage, should make the core sample drilled through maintain the original state simultaneously as far as possible, and reduce rig and brill
The loss of head.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is this utility model dust-precipitator top plan view.
Fig. 3 is aperture-type cover mouth metamorphosis 1 schematic diagram of this utility model dust-precipitator.
Fig. 4 is aperture-type cover mouth metamorphosis 2 schematic diagram of this utility model dust-precipitator.
Fig. 5 is aperture-type cover mouth metamorphosis 3 schematic diagram of this utility model dust-precipitator.
Detailed description of the invention
A kind of concrete undisturbed harvester, this device is made up of an organic whole five parts, including core drilling machine 1,
High pressure positive blower 2, air intake controller 3, dust-precipitator 4, excretion machine 5.
May be used for dry method and gather concrete original state core sample.Have dust discharge slag, cool down in right amount, the depositing dust that gathers dust, noise reduction blowdown
Effect.Have be easy to observe, easily operation, the most portable feature, package unit except vertical core drilling machine heavier it
Outward, other equipment and the equal small volume of parts, lighter in weight, ease of assembly dismounting, the most portable.
Described core drilling machine 1 predominantly vertical core drilling machine, can install internal diameter be 20mm, 30mm, 50mm, 80mm,
The drill bit of 100mm, 150mm Multiple Type.1200mm can be reached by drilling depth.Core drilling machine base is the shape of a hoof, at the bottom of its shape of a hoof
Concrete 6 surface that seat 9 is arranged on pre-sampling, and at base, fixed screw 10 is set at six by solid with concrete 6 for core drilling machine 1
Calmly, core drilling machine is provided with drill bit 22, and drill bit 22 can be by the rotating disk of core drilling machine and leading screw 23 vertically drill core inside concrete 6
Realize original state core sample 7 to gather.
Described high pressure positive blower 2, predominantly minitype high voltage aerator or small portable mute compressor, by with
The airduct 36 of Pressure gauge 35 is connected with air intake controller 3, and air intake controller 3 is connected to core drilling machine 1 rotating shaft root.Higher pressure is provided
The sufficient air quantity of power, pressure wind both can have been discharged the dirt slag at drill bit position, front end by core drilling machine, can suitably have been cooled down simultaneously
Drill bit.
Described air intake controller 3, is controlled pipe 25 by air intake and controls Pressure gauge 24 and air intake control valve 26 equipped with air intake
Constituting, air intake controller 3 controls pipe 25 by air intake and is arranged on core drilling machine 1 rotating shaft root, to drill bit 22 internal offer pressure wind.
Its pressure wind controls the aspiration pressure in core drilling machine drill bit by air intake controller, to discharge the dirt slag at drill bit position, front end, with
Time can suitably cool down drill bit.
Described dust-precipitator 4, by dust collection cover 21, aperture-type cover mouth 17, sealing brush 8, dust collection cover fixed mechanism 14, exhaust duct
27 compositions.The cylindrical cover body that described dust collection cover 21 is made for transparent acrylic material, is opening bottom cylindrical cover body, and cloth
Put a circle sealing brush 8 to be in close contact with cylindrical cover body feather edge.Cylindrical covering on top is provided with aperture-type cover mouth 17, drill core
The vertical of machine 1 contacts with aperture-type cover mouth 17 center edge to drill bit 22, and arrives at concrete 6 through aperture-type Zhao Kou 17 center
Surface.Described aperture-type cover mouth 17 is by upper cover mouth annular slab 20, toothed disc 16, aperture-type blade 19, the little gear of blade 18 and adjusts
Joint mechanism 15 forms.Upper cover mouth annular slab 20 is the annular acryl plates with certain thickness and rigidity, the internal diameter of annulus
Be about 2/3 times of annulus external diameter, upper cover mouth annular slab 20 and cylindrical dust collection cover 21 use sealing welding manner be fixed as one whole
Body.Toothed disc 16 is made up of annular acrylic board, and toothed disc 16 is provided with internal tooth and external tooth, is arranged on upper cover mouth annular slab 20
In the annular rolling groove in face, arrange steel ball in groove, it is to avoid toothed disc produces when the ring heart rotates and between upper cover mouth annular slab
Raw sliding friction.The swing link that aperture-type blade 19 is made for optimizing eight transparent acrylics of design, every swing link
Outer arc segments is respectively positioned on the top of segmental arc in adjacent swing link, lays by this, and eight aperture-type blades cover pressure successively and are circumferentially distributed,
And superposition is arranged in above upper cover mouth annular slab 20.The little gear of blade 18 is eight and is separately positioned on eight aperture-type blades 19 times
Side, and be in same level with toothed disc 16, eight little gears of blade 18 all engage with toothed disc 16 internal tooth, eight blades
Little gear 18 is inlayed by respective gear shaft and is fixed on swing link end, and the length of described respective gear shaft is with eight blades
Superposition thickness makes increasing lengths.The little gear of blade 18, above with following all with spacing preiection, had both played fixing blade, isolation leaf
Sheet and the effect of toothed disc, prevent toothed disc overall abjection from the little gear of blade simultaneously.When toothed disc moves in a circle, band
Dynamic eight little gears of blade rotate, so that eight aperture-type blades do synchronous rotary around respective gear shaft, and according to rotation
The difference of angle and form the circular enclosure mouth of different-diameter, form halo effect, in order to adapt to the drill bit of different-diameter through (see
Fig. 3).Drill bit outer rim is in close contact with aperture-type blade, can play neither obstruction drill core operation, completely cut off the work of flue dust simultaneously
With.Governor motion 15, by driving gear, bevel gear group and regulation handle to form (commercially available prod), is arranged on upper cover mouth annular slab 20
With toothed disc 16 edge, it is installed together with toothed disc 16 external tooth mesh combination by driving gear.When rotating regulation handle
Time, regulation handle drives the bevel gear group conversion direction of motion, and bevel gear group drives and drives gear to be passed by the steering force of regulation handle
To toothed disc, toothed disc rotates with and moves in a circle, so that the little gear of toothed disc band moving vane and aperture-type blade are formed
The aperture-type concentric dome mouth (see figure 3) of the different-diameter of globality expansion and Guan Bi.Described sealing brush 8 is that a circle has necessarily
The flexible brush of thickness, close hairpencil had both been possible to prevent grieshoch to leak outside, and was suitable for slight out-of-flatness basal plane, close attachment simultaneously
At concrete surface.Described dust collection cover fixed mechanism 14 is by four support ears 12 of cylindrical dust collection cover outer wall welding with through propping up
The location bar 11 of support ear forms.Location bar 11 passes screw hole reserved in the middle part of support ear and is tightened to horseshoe base 9, positions bar
11 tops set compression spring 13, and dust collection cover 21 and sealing brush 8 can be made to be in close contact concrete 6 surface, dust control and noise absorption.Described row
Airduct 27 connecting shaft flow fan 28, axial flow blower 28 will by the negative pressure that the exhaust duct 27 that dust collection cover 21 is external utilizes convulsion to be formed
Impurity and flue dust that in dust collection cover, drill core operation is formed discharge, and are connected with excretion machine 5.
Described excretion machine 5 is made up of small portable immersible pump 33, water smoke pipeline section 29, sewage draining exit 31.Small portable
Immersible pump 33 is placed in aqua storage tank 34, connects water smoke pipeline section 29, the air draft of water smoke pipeline section 29 one end connecting shaft flow fan with water pipe 32
Pipe 27, the other end is sewage draining exit 31, and water smoke pipeline section 29 is one section of double-deck vulcanie pipe being relatively large in diameter, and tube wall is interspersed many
Individual waterfog head 30, shower nozzle goes out mist direction towards sewage draining exit.Water smoke pipeline section rely on water smoke make microparticle in exhaust duct gas by
Suspended state becomes water-soluble state.During operation, immersible pump 33 discharge pressure water drives waterfog head to be formed vaporific, containing dust
Gas passes through water smoke pipeline section, dust can become mud and discharge through sewage draining exit, constitute the concrete original state of an organic whole
Sample harvester.
Claims (4)
1. a concrete undisturbed harvester, this device is made up of an organic whole five parts, including core drilling machine (1),
High pressure positive blower (2), air intake controller (3), dust-precipitator (4), excretion machine (5), it is characterised in that described core drilling machine (1) passes through it
Horseshoe base (9) is arranged on concrete (6) surface of pre-sampling, and arranges fixed screw at six (10) by core drilling machine at base
(1) fixing with concrete (6), core drilling machine (1) is provided with drill bit (22), and drill bit (22) can be by the rotating disk of core drilling machine and leading screw
(23) vertically realizing original state core sample (7) to inside concrete drill core to gather, described high pressure positive blower (2) is by with Pressure gauge
(35) airduct (36) is connected with air intake controller (3), and air intake controller (3) is connected to core drilling machine (1) rotating shaft root, described receipts
Dirt device (4) is by four support ears (12) by cylindrical dust collection cover (21) outer wall welding and the location bar (11) through support ear
The dust collection cover fixed mechanism (14) of composition is fixed on the horseshoe base (9) of core drilling machine (1), and described excretion machine (5) passes through it
Water smoke pipeline section (29) is connected on the exhaust duct (27) of dust collection cover (21), and the concrete undisturbed constituting an organic whole gathers
Device.
A kind of concrete undisturbed harvester the most according to claim 1, it is characterised in that described air intake controller
(3) controlled pipe (25) by air intake to constitute equipped with air intake control Pressure gauge (24) and air intake control valve (26), air intake controller (3)
Control pipe (25) by air intake and be arranged on core drilling machine (1) rotating shaft root, to drill bit (22) internal offer pressure wind.
A kind of concrete undisturbed harvester the most according to claim 1, it is characterised in that described dust-precipitator (4),
It is made up of dust collection cover (21), aperture-type cover mouth (17), sealing brush (8), dust collection cover fixed mechanism (14), exhaust duct (27), described
Dust collection cover (21) is the cylindrical cover body that transparent acrylic material is made, and is opening, and arranges that a circle is close bottom cylindrical cover body
Envelope brush (8) is in close contact with cylindrical cover body feather edge, and cylindrical covering on top is provided with aperture-type cover mouth (17), core drilling machine
(1) vertical contacts with aperture-type cover mouth (17) center edge to drill bit (22), and arrives at through aperture-type cover mouth (17) center
Concrete (6) surface；Described aperture-type cover mouth (17) by upper cover mouth annular slab (20), toothed disc (16), aperture-type blade (19),
The little gear of blade (18) and governor motion (15) composition, upper cover mouth annular slab (20) is annular acryl plates, upper cover choma
Shape plate (20) and cylindrical dust collection cover (21) use sealing welding manner to be fixed as an entirety, and toothed disc (16) is sub-by annular
Gram force plate is made, and toothed disc (16) is provided with internal tooth and external tooth, is arranged in upper cover mouth annular slab (20) annular rolling groove above,
Arranging steel ball in groove, aperture-type blade (19) is the swing link of eight transparent acrylics, outside every swing link
Segmental arc is respectively positioned on the top of segmental arc in adjacent swing link, lays by this, and eight aperture-type blades cover pressure successively and are circumferentially distributed, and
Superposition is arranged in upper cover mouth annular slab (20) top, and the little gear of blade (18) is eight and is separately positioned on eight aperture-type blades
(19) lower section, and is in same level with toothed disc (16), eight the little gear of blades (18) all with toothed disc (16) internal tooth
Engaging, eight the little gear of blades (18) are inlayed by respective gear shaft and are fixed on swing link end, described respective gear shaft
Length make increasing lengths with eight blade superposition thickness, the little gear of blade (18) above with following all with spacing preiection, when
When toothed disc moves in a circle, eight little gears of blade are driven to rotate, so that eight aperture-type blades are around respective gear shaft
Doing synchronous rotary, governor motion (15) is arranged on upper cover mouth annular slab (20) and toothed disc (16) edge, by driving gear
It is installed together with toothed disc (16) external tooth mesh combination；Described sealing brush (8) is a circle hairbrush, close hairpencil both can in case
Only grieshoch leaks outside, and is suitable for slight out-of-flatness basal plane simultaneously, is adhering closely to concrete surface；Described dust collection cover fixed mechanism
(14) four support ears (12) by cylindrical dust collection cover outer wall welding and the location bar (11) through support ear form, and position bar
(11) passing screw hole reserved in the middle part of support ear and be tightened to horseshoe base (9), bar (11) top, location sets compression spring
(13) dust collection cover (21), can be made to be in close contact concrete (6) surface with sealing brush (8)；Described exhaust duct (27) connects axial flow
Blower fan (28), axial flow blower (28) passes through on the exhaust duct (27) that dust collection cover (21) is external, and is connected with excretion machine (5).
A kind of concrete undisturbed harvester the most according to claim 1, it is characterised in that described excretion machine (5) by
Small portable immersible pump (33), water smoke pipeline section (29), sewage draining exit (31) form, and small portable immersible pump (33) is placed in water storage
Groove (34), with water pipe (32) connect water smoke pipeline section (29), the exhaust duct (27) of water smoke pipeline section (29) one end connecting shaft flow fan, separately
One end is sewage draining exit (31), and water smoke pipeline section (29) is one section of diameter bilayer vulcanie pipe, tube wall be interspersed multiple water smoke spray
Head (30), shower nozzle goes out mist direction towards sewage draining exit, and immersible pump (33) discharge pressure water drives waterfog head to be formed vaporific, containing ash
The gas of dirt passes through water smoke pipeline section, dust can become mud and discharge through sewage draining exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620760969.3U CN205826348U (en) | 2016-07-20 | 2016-07-20 | A kind of concrete undisturbed harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620760969.3U CN205826348U (en) | 2016-07-20 | 2016-07-20 | A kind of concrete undisturbed harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826348U true CN205826348U (en) | 2016-12-21 |
Family
ID=57563718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620760969.3U Withdrawn - After Issue CN205826348U (en) | 2016-07-20 | 2016-07-20 | A kind of concrete undisturbed harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226119A (en) * | 2016-07-20 | 2016-12-14 | 辽宁省水利水电科学研究院 | A kind of concrete undisturbed harvester |
| CN109511319A (en) * | 2018-12-12 | 2019-03-26 | 安徽新华学院 | Foot-operated gardens excavating gear |
-
2016
- 2016-07-20 CN CN201620760969.3U patent/CN205826348U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226119A (en) * | 2016-07-20 | 2016-12-14 | 辽宁省水利水电科学研究院 | A kind of concrete undisturbed harvester |
| CN106226119B (en) * | 2016-07-20 | 2023-07-04 | 辽宁省水利水电科学研究院有限责任公司 | Concrete undisturbed sample collection system |
| CN109511319A (en) * | 2018-12-12 | 2019-03-26 | 安徽新华学院 | Foot-operated gardens excavating gear |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1, fourteen weft Road, peace zone, Shenyang, Liaoning, Liaoning Patentee after: LIAONING WATER RESOURCES AND HYDROPOWER RESEARCH INSTITUTE Co.,Ltd. Address before: No. 1, fourteen weft Road, peace zone, Shenyang, Liaoning, Liaoning Patentee before: LiaoNing Institute Of Water Resources and Hydropower Research |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20230704 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20230704 |