CN209277816U - A kind of reamer used for geological prospecting - Google Patents
A kind of reamer used for geological prospecting Download PDFInfo
- Publication number
- CN209277816U CN209277816U CN201821976157.8U CN201821976157U CN209277816U CN 209277816 U CN209277816 U CN 209277816U CN 201821976157 U CN201821976157 U CN 201821976157U CN 209277816 U CN209277816 U CN 209277816U
- Authority
- CN
- China
- Prior art keywords
- reaming
- pedestal
- support beam
- drilling rod
- plate
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of reamers used for geological prospecting, including pedestal, support frame and bore motor, the fixed support beam in the top of support frame as described above, motor cabinet is provided with below the support beam, the bottom of the motor cabinet is equipped with bore motor, the output shaft bottom end of the bore motor is rotatably connected to drilling rod, the outer wall surrounding of the drilling rod is fixed with reaming plate, dust hood is provided on the upside of the reaming plate, the dust hood is connected to by sweep-up pipe with the dust catcher being mounted at the top of support beam, and the bottom end of support frame as described above is fixed on the base.The utility model, structure is simple, it is vdiverse in function, it is easy to use efficient, reaming rapidly can be carried out to the hole drilled out, reaming effect is good, reaming is high-efficient, and during reaming, under the absorption by dust catcher, sweep-up pipe and dust hood, the dust generated in reaming procedure can be effectively reduced, prevents the staff of surrounding from sucking the harm caused by health of these dust.
Description
Technical field
The utility model relates to geological prospecting equipment technical field, specifically a kind of reamer used for geological prospecting.
Background technique
Geological prospecting is to be reconnoitred, detected to geology by various means, method, determines suitable supporting course, according to
The foundation bearing capacity of supporting course determines type of foundation, calculates the enquiry-based activity of type of foundation parameter.In the mistake of geological prospecting
Cheng Zhong, it is sometimes desirable to reaming be carried out to drilling, so as to experimenter's sampling.Existing reamer used for geological prospecting, structure compare
Complexity, operation is not convenient enough, and reaming speed is slow, and reaming effect is poor, and during reaming, can generate a large amount of flying dust, week
The staff enclosed sucks these dust and can damage to health.
Utility model content
The purpose of this utility model is to provide a kind of reamers used for geological prospecting, are surveyed with solving geology in the prior art
It visits and uses reamer, structure is more complicated, and operation is not convenient enough, and reaming speed is slow, and reaming effect is poor, and during reaming,
A large amount of flying dust can be generated, the staff of surrounding sucks the problems such as these dust can damage health.
To achieve the above object, the utility model provides the following technical solutions: a kind of reamer used for geological prospecting, including bottom
Seat, support frame and bore motor, the fixed support beam in the top of support frame as described above, the two sides of the support beam are provided with the sun
Can solar panel, be provided with motor cabinet below the support beam, the bottom of the support beam is equipped with hydraulic cylinder, the liquid
It is fixedly connected between cylinder pressure and motor cabinet by hydraulic lifting arm, the bottom of the motor cabinet is equipped with bore motor, the brill
The output shaft bottom end of hole motor is rotatably connected to drilling rod, and the bottom end of the drilling rod is connected with drill bit, the outer wall surrounding of the drilling rod
It is fixed with reaming plate, the outer surface of the reaming plate is equipped with equally distributed spiral cutter, is provided on the upside of the reaming plate
Dust hood, the dust hood are connected to by sweep-up pipe with the dust catcher being mounted at the top of support beam, the bottom end of support frame as described above
It is fixed on the base, the bottom four corners of the pedestal are equipped with universal wheel, and the round cylinder slot through pedestal, institute are equipped in the pedestal
It states round cylinder slot to be located at immediately below drill bit, the surrounding that the top of the pedestal is located at round cylinder slot is provided with protective baffle plate, the protection
Be provided with observation window and power supply box on the side wall of baffle, the power supply box is internally provided with battery and inverter, it is described too
The output end of positive energy solar panel and the input terminal of battery are electrically connected, the output end of the battery and the input terminal of inverter
It is electrically connected, the output end of the battery is electrically connected with the input terminal of the input terminal of bore motor and dust catcher respectively.
Preferably, there are three the reaming plate settings, three reaming plates are annularly distributed with respect to the central axes of drilling rod, and three
Transversal length between a reaming plate and drilling rod successively reduces from top to bottom.
Preferably, guide sleeve is arranged on support frame as described above, by reinforcing connecting rod between the guide sleeve and motor cabinet
It is fixedly connected.
Preferably, the outer wall surrounding of the pedestal is provided with fixed plate, and fixed link, institute are provided through in the fixed plate
The upper and lower ends for stating fixed link are respectively arranged with tapping board and Antiskid chassis, and the bottom of the Antiskid chassis, which is provided with, to be uniformly distributed
Cone tooth.
Preferably, the solar panel is by the inclined two sides that support beam is arranged in of support rod, it is described too
The outer surface of positive energy solar panel is covered with transparent protective film.
Compared with prior art, the utility model has the beneficial effects that the utility model, structure is simple, vdiverse in function, makes
It, can be rapidly to the hole drilled out under the cooperating by hydraulic cylinder, bore motor, drilling rod and reaming plate with convenience and high-efficiency
Carry out reaming, reaming effect is good, and reaming is high-efficient, and it is convenient to operate, time saving and energy saving, and during reaming, by dust catcher,
Under the absorption of sweep-up pipe and dust hood, the dust generated in reaming procedure can be effectively reduced, prevents the staff of surrounding from inhaling
Enter the harm caused by health of these dust, meanwhile, motor cabinet is by reinforcing connecting rod and being arranged leading on the support frame
It is connected to set, can significantly improve the stationarity in bore motor lifting process, bore motor is avoided obliquity effects expansion occur
Hole effect, in addition, the sandstone generated in reaming procedure can be stopped to be splashed to work people in the protective baffle plate of round cylinder slot surrounding setting
With member, unexpected injury is caused, is improved the safety of use, the observation window being arranged on protective baffle plate side wall is convenient for work
Personnel observe in entire reaming procedure, stop the operation of the equipment when emergency case occur in time, in support beam two sides
The solar panel of setting can provide electricity using the solar energy of surrounding when having sunlight for the operation of the equipment
Can, extend the activity duration of the equipment outdoors.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the motor cabinet structural schematic diagram of the utility model；
Fig. 3 is the schematic diagram of base structure of the utility model；
Fig. 4 is the jackrod structure schematic diagram of the utility model；
Fig. 5 is the fixed plate structure schematic diagram of the utility model
Fig. 6 is the power supply box schematic diagram of internal structure of the utility model；
Fig. 7 is the solar panel working principle block diagram of the utility model.
In figure: 1, pedestal；2, support frame；3, drilling rod；4, reaming plate；5, bore motor；6, motor cabinet；7, solar battery
Plate；8, support beam；9, hydraulic lifting arm；10, hydraulic cylinder；11, dust catcher；12, sweep-up pipe；13, guide sleeve；14, dust hood；
15, fixed plate；16, round cylinder slot；17, protective baffle plate；18, universal wheel；19, drill bit；20, reinforce connecting rod；21, power supply box；22,
Observation window；23, spiral cutter；24, tapping board；25, fixed link；26, Antiskid chassis；27, tooth is bored；28, battery；29, inversion
Device.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-7, in the utility model embodiment, a kind of reamer used for geological prospecting, including pedestal 1, support frame 2
With bore motor 5, the fixed support beam 8 in the top of support frame 2, the two sides of support beam 8 are provided with solar panel 7, prop up
The lower section of support crossbeam 8 is provided with motor cabinet 6, and the bottom of support beam 8 is equipped with hydraulic cylinder 10, hydraulic cylinder 10 and motor cabinet 6 it
Between be fixedly connected by hydraulic lifting arm 9, the bottom of motor cabinet 6 is equipped with bore motor 5, the output shaft bottom end of bore motor 5
It is rotatably connected to drilling rod 3, the bottom end of drilling rod 3 is connected with drill bit 19, and the outer wall surrounding of drilling rod 3 is fixed with reaming plate 4, reaming plate 4
Outer surface be equipped with equally distributed spiral cutter 23, when reaming, pass through hydraulic cylinder 10, bore motor 5, drilling rod 3 and reaming plate 4
Cooperating under, reaming rapidly can be carried out to the hole that drills out, reaming effect is good, and reaming is high-efficient, and it is convenient to operate, time saving
Laborsaving, the upside of reaming plate 4 is provided with dust hood 14, and dust hood 14 is by sweep-up pipe 12 and is mounted on 8 top of support beam
Dust catcher 11 is connected to,, can be effective under the absorption by dust catcher 11, sweep-up pipe 12 and dust hood 14 during reaming
The dust generated in reaming procedure is reduced, prevents the staff of surrounding from sucking the harm caused by health of these dust,
The bottom end of support frame 2 is fixed on pedestal 1, and the bottom four corners of pedestal 1 are equipped with universal wheel 18, is equipped in pedestal 1 and is run through pedestal 1
Round cylinder slot 16, round cylinder slot 16 is located at immediately below drill bit 19, and the surrounding that the top of pedestal 1 is located at round cylinder slot 16 is provided with anti-guard block
Plate 17, protective baffle plate 17 can stop the sandstone generated in reaming procedure to be splashed to staff, cause unexpected injury, improve
The safety used is provided with observation window 22 and power supply box 21 on the side wall of protective baffle plate 17, is convenient for work by observation window 22
Make personnel to observe in entire reaming procedure, stop the operation of the equipment when emergency case occur in time, power supply box 21 it is interior
Portion is provided with battery 28 and inverter 29, and the output end of solar panel 7 and the input terminal of battery 28 are electrically connected, store
The output end of battery 28 and the input terminal of inverter 29 are electrically connected, and the output end of battery 28 is defeated with bore motor 5 respectively
The input terminal for entering end and dust catcher 11 is electrically connected, and solar panel 7 can be when having sunlight, too using surrounding
Sun can provide electric energy for the operation of the equipment, extend the activity duration of the equipment outdoors, and there are three the settings of reaming plate 4, and three
The central axes of the opposite drilling rod 3 of a reaming plate 4 are annularly distributed, and the transversal length between three reaming plates 4 and drilling rod 3 is from top to bottom
It successively reduces, guide sleeve 13 is arranged on support frame 2, connecting rod 20 is fixed to be connected by reinforcing between guide sleeve 13 and motor cabinet 6
It connects, by the reinforcement connecting rod 20 and guide sleeve 13 of setting, can significantly improve steady in 5 lifting process of bore motor
Property avoids bore motor 5 from obliquity effects reaming effect occur, and the outer wall surrounding of pedestal 1 is provided with fixed plate 15, in fixed plate 15
It is provided through fixed link 25, the upper and lower ends of fixed link 25 are respectively arranged with tapping board 24 and Antiskid chassis 26, Antiskid chassis
26 bottom is provided with equally distributed cone tooth 27, and solar panel 7 is by the inclined setting of support rod in support beam 8
Two sides, the outer surface of solar panel 7 is covered with transparent protective film.
The working principle of the utility model is: in use, the equipment is moved by the universal wheel 18 of 1 bottom of pedestal first
Specified drill site is moved, the tapping board 24 on 25 top of fixed link is then tapped by iron hammer, by 26 bottom of Antiskid chassis
Cone tooth 27 is wedged into ground, and ream operation can be carried out by being securely placed at the equipment on ground, when reaming, hydraulic cylinder 10
Work drives motor cabinet 6 to move down by hydraulic lifting arm 9, and the drill bit 19 of 3 bottom end of drilling rod is made to pass through the round cylinder slot on pedestal 1
16 and it is directed at drill site, meanwhile, the work of bore motor 5 drives the rotation of drill bit 19 to drill by drilling rod 3, in 3 band of drilling rod
During the dynamic drilling downwards of drill bit 19, the reaming plate 4 on 3 periphery wall of drilling rod is pierced in drilling, and peripherad soil pressure expands
The diameter to drill greatly completes ream operation, in addition, during reaming, the protective baffle plate 17 of 16 surrounding of round cylinder slot can stop
The sandstone generated in reaming procedure is splashed to staff, causes unexpected injury, is improved the safety of use, and support is horizontal
When dust catcher 11 on beam 8 works, the dust generated in reaming procedure can be absorbed by sweep-up pipe 12 and dust hood 14, reduced
The Dust Capacity of ambient enviroment prevents the staff of surrounding from sucking the harm caused by health of these dust.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of reamer used for geological prospecting, including pedestal (1), support frame (2) and bore motor (5), it is characterised in that: described
The top of support frame (2) is fixed support beam (8), and the two sides of the support beam (8) are provided with solar panel (7), institute
It states and is provided with below support beam (8) motor cabinet (6), the bottom of the support beam (8) is equipped with hydraulic cylinder (10), described
It is fixedly connected between hydraulic cylinder (10) and motor cabinet (6) by hydraulic lifting arm (9), the bottom of the motor cabinet (6) is equipped with
The output shaft bottom end of bore motor (5), the bore motor (5) is rotatably connected to drilling rod (3), and the bottom end of the drilling rod (3) connects
It is connected to drill bit (19), the outer wall surrounding of the drilling rod (3) is fixed with reaming plate (4), and the outer surface of the reaming plate (4) is equipped with equal
The spiral cutter (23) of even distribution is provided with dust hood (14) on the upside of the reaming plate (4), and the dust hood (14) passes through suction
Dirt pipe (12) is connected to the dust catcher (11) being mounted at the top of support beam (8), and the bottom end of support frame as described above (2) is fixed on pedestal
(1) on, the bottom four corners of the pedestal (1) are equipped with universal wheel (18), and the circle through pedestal (1) is equipped in the pedestal (1)
Cylinder slot (16), the round cylinder slot (16) are located at immediately below drill bit (19), and the top of the pedestal (1) is located at the four of round cylinder slot (16)
It is provided in week protective baffle plate (17), is provided with observation window (22) and power supply box (21), institute on the side wall of the protective baffle plate (17)
That states power supply box (21) is internally provided with battery (28) and inverter (29), the output end of the solar panel (7) with
The input terminal of battery (28) is electrically connected, and the input terminal of the output end and inverter (29) of the battery (28) electrically connects
It connects, input terminal of the output end of the battery (28) respectively with the input terminal of bore motor (5) and dust catcher (11) electrically connects
It connects.
2. a kind of reamer used for geological prospecting according to claim 1, it is characterised in that: the reaming plate (4) is provided with
Three, three reaming plates (4) are annularly distributed with respect to the central axes of drilling rod (3), and between three reaming plates (4) and drilling rod (3)
Transversal length successively reduce from top to bottom.
3. a kind of reamer used for geological prospecting according to claim 1, it is characterised in that: support frame as described above is arranged on (2)
Have guide sleeve (13), is fixedly connected between the guide sleeve (13) and motor cabinet (6) by reinforcing connecting rod (20).
4. a kind of reamer used for geological prospecting according to claim 1, it is characterised in that: the outer wall four of the pedestal (1)
It is provided in week fixed plate (15), is provided through fixed link (25) on the fixed plate (15), above and below the fixed link (25)
Both ends are respectively arranged with tapping board (24) and Antiskid chassis (26), and the bottom of the Antiskid chassis (26) is provided with equally distributed
It bores tooth (27).
5. a kind of reamer used for geological prospecting according to claim 1, it is characterised in that: the solar panel (7)
By the inclined setting of support rod in the two sides of support beam (8), the outer surface of the solar panel (7) is covered with
Bright protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976157.8U CN209277816U (en) | 2018-11-28 | 2018-11-28 | A kind of reamer used for geological prospecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976157.8U CN209277816U (en) | 2018-11-28 | 2018-11-28 | A kind of reamer used for geological prospecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277816U true CN209277816U (en) | 2019-08-20 |
Family
ID=67608862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821976157.8U Expired - Fee Related CN209277816U (en) | 2018-11-28 | 2018-11-28 | A kind of reamer used for geological prospecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277816U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939382A (en) * | 2019-12-20 | 2020-03-31 | 无棣国梁防腐保温工程有限公司 | Multifunctional portable ground drilling machine |
| CN111425151A (en) * | 2020-05-27 | 2020-07-17 | 杭州金知科技有限公司 | Hydraulic propelling equipment for well drilling for geological exploration |
| CN111519680A (en) * | 2020-04-30 | 2020-08-11 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Exploration groove excavating device for hydrological exploration |
| CN112051152A (en) * | 2020-09-07 | 2020-12-08 | 大连理工大学 | Rock mechanics testing machine |
| CN112177564A (en) * | 2020-09-17 | 2021-01-05 | 三峡大学 | High-pressure jet grouting system for building underground concealed reservoir and building method |
| CN112901072A (en) * | 2021-01-25 | 2021-06-04 | 牛军雷 | Drilling device for geotechnical engineering investigation and using method |
| CN113798555A (en) * | 2021-09-18 | 2021-12-17 | 中船黄埔文冲船舶有限公司 | Hole forming equipment |
| CN114562209A (en) * | 2022-02-25 | 2022-05-31 | 青岛市勘察测绘研究院 | Edge reinforcement formula reaming device for geotechnical engineering |
| CN114961569A (en) * | 2022-05-23 | 2022-08-30 | 甘肃建投建设有限公司 | Self-sinking type extrusion water absorption hole expanding device and construction method thereof |
-
2018
- 2018-11-28 CN CN201821976157.8U patent/CN209277816U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939382A (en) * | 2019-12-20 | 2020-03-31 | 无棣国梁防腐保温工程有限公司 | Multifunctional portable ground drilling machine |
| CN110939382B (en) * | 2019-12-20 | 2021-09-10 | 无棣国梁防腐保温工程有限公司 | Multifunctional portable ground drilling machine |
| CN111519680B (en) * | 2020-04-30 | 2022-03-11 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Exploration groove excavating device for hydrological exploration |
| CN111519680A (en) * | 2020-04-30 | 2020-08-11 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Exploration groove excavating device for hydrological exploration |
| CN111425151B (en) * | 2020-05-27 | 2021-08-10 | 孔令智 | Hydraulic propelling equipment for well drilling for geological exploration |
| CN111425151A (en) * | 2020-05-27 | 2020-07-17 | 杭州金知科技有限公司 | Hydraulic propelling equipment for well drilling for geological exploration |
| CN112051152A (en) * | 2020-09-07 | 2020-12-08 | 大连理工大学 | Rock mechanics testing machine |
| CN112177564A (en) * | 2020-09-17 | 2021-01-05 | 三峡大学 | High-pressure jet grouting system for building underground concealed reservoir and building method |
| CN112901072A (en) * | 2021-01-25 | 2021-06-04 | 牛军雷 | Drilling device for geotechnical engineering investigation and using method |
| CN113798555A (en) * | 2021-09-18 | 2021-12-17 | 中船黄埔文冲船舶有限公司 | Hole forming equipment |
| CN114562209A (en) * | 2022-02-25 | 2022-05-31 | 青岛市勘察测绘研究院 | Edge reinforcement formula reaming device for geotechnical engineering |
| CN114562209B (en) * | 2022-02-25 | 2023-05-23 | 青岛市勘察测绘研究院 | Edge reinforcement type reaming device for geotechnical engineering |
| CN114961569A (en) * | 2022-05-23 | 2022-08-30 | 甘肃建投建设有限公司 | Self-sinking type extrusion water absorption hole expanding device and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209277816U (en) | A kind of reamer used for geological prospecting | |
| CN209296362U (en) | A kind of geological prospecting sampling apparatus | |
| CN208016289U (en) | A kind of ornamental trees and shrubs plantation digging apparatus | |
| CN110842757A (en) | Edging device is used in office furniture production | |
| CN210269254U (en) | Multifunctional engineering investigation construction equipment | |
| CN216978419U (en) | Sampling device for geological survey | |
| CN214170573U (en) | Supporting frame convenient to fix and used for mine collection | |
| CN213478217U (en) | Drilling device for geological exploration | |
| CN214177992U (en) | Automatic punching device for tea planting | |
| CN209272552U (en) | Subway work boring device of top plate | |
| CN111980754B (en) | Drill chip guiding device and drill chip method for coal mine outburst prevention index detection | |
| CN211374148U (en) | Broken sampling equipment of geotechnical engineering construction | |
| CN207434971U (en) | A kind of high-altitude operation vehicle for Garden Engineering | |
| CN208001490U (en) | A kind of portable agricultural planting machine | |
| CN112649228A (en) | Soil and water sampling device that portable geothermol power investigation was used | |
| CN206475302U (en) | A kind of oil exploration rock samples cutter device | |
| CN215035284U (en) | Oil gas exploitation exploration is with milling device | |
| CN205976441U (en) | Scaffold pedal | |
| CN212146609U (en) | Insulation board cutting device for building site that can adapt to rugged ground | |
| CN219860443U (en) | Construction installation device for electrical engineering | |
| CN207655957U (en) | A kind of portable plank groover | |
| CN221322330U (en) | Drilling device for coal mine geology | |
| CN214741237U (en) | Oil engineering is with exploitation protector | |
| CN220589306U (en) | Water-free dust treatment device | |
| CN215813113U (en) | High-efficient command auxiliary device for power dispatching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20191128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |