CN108756738B - A kind of constructing device for construction machinery - Google Patents
A kind of constructing device for construction machinery Download PDFInfo
- Publication number
- CN108756738B CN108756738B CN201810563707.1A CN201810563707A CN108756738B CN 108756738 B CN108756738 B CN 108756738B CN 201810563707 A CN201810563707 A CN 201810563707A CN 108756738 B CN108756738 B CN 108756738B
- Authority
- CN
- China
- Prior art keywords
- lower section
- scroll bar
- support plate
- motor
- construction machinery
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000009412 basement excavation Methods 0.000 claims abstract description 15
- 239000007858 starting material Substances 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 206010061245 Internal injury Diseases 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- Remote Sensing (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of constructing devices for construction machinery, its structure includes support plate, motor, excavate scroll bar, cockpit, rear frame, power wheel, support hydraulic pressure bar, preceding driving wheel, pedestal, retaining collar, supersonic detector, a kind of constructing device for construction machinery of the present invention, on the ground by retaining collar pressure, electric motor starting in support plate simultaneously, it is driven by motor and excavates scroll bar rotation excavation, supersonic detector starting simultaneously issues detecting ultrasonic wave by the ultrasonic wave starter starting supersonic generator in supersonic detector, then the ultrasonic wave after detection is received by ultrasonic receiver, the data being collected into are transmitted on joint-guiding device by ultrasonic receiver, joint-guiding device, which imports data to, simultaneously carries out numerical digit conversion in data processing plate, inside is carried out to scroll bar is excavated using supersonic detector in this way Damage check avoids the generation of bigger loss.
Description
Technical field
The present invention is a kind of constructing device for construction machinery, belongs to field of construction machinery.
Background technique
Currently, occurring some construction equipments for steel arch-shelf installation in constructing tunnel, the main body of function in the market
The installation of steel arch-shelf is realized now, and other out breaks such as face and crag processing, reinforced mesh are hung,
The high altitude operation such as filling explosive do not carry out abundant consideration.
Prior art discloses application No. is a kind of 201721259574.6 Multifunction altitude works for constructing tunnel
Industry construction, including mounting base and leveling cyclinder, the Multifunction altitude that one end of the mounting base is fixedly connected on constructing tunnel are made
On industry trolley cantilever, the other end is hinged on the middle section of platform stand, and the bottom end of the platform stand and leveling cyclinder are hinged,
Upper part is equipped with horizontal rotation support device, but the prior art excavates the risk that scroll bar has fracture when being worked, and leads
Cause the generation that peril is be easy to cause when excavating.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of constructing device for construction machinery, with
It solves existing technology and excavates the risk that scroll bar has fracture when being worked, lead to the hair for be easy to causeing peril when excavating
Raw problem.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of for construction machinery
Constructing device, structure include support plate, motor, excavate scroll bar, is cockpit, rear frame, power wheel, support hydraulic pressure bar, preceding dynamic
Wheel, pedestal, retaining collar, supersonic detector, the left side insertion of the power wheel are installed on the right side of rear frame, the support
It is connected on the right side of the left side of hydraulic stem and support plate, the right side of the support hydraulic pressure bar and the upper iron square hinge of rear frame connect,
The left side insertion of the preceding driving wheel is installed on the right side of rear frame, is connected on the right side of the left side of the pedestal and support plate, institute
It states and fits below the top and motor of supersonic detector, the inside of the supersonic detector and the top for excavating scroll bar
Be nested, the supersonic detector include side sheath, support collet, processing chip, data processing plate, joint-guiding device, outer protecting shell,
Ultrasonic receiver, connection protector, ultrasonic wave starter, supersonic generator, the outside of the side sheath and outer protecting shell
Inside is nested, and is connected on the inside of the outside of the support collet and side sheath, at the lower section of the processing chip and data
It is integrated above reason plate, is connected above the lower section of the processing chip and ultrasonic receiver, the data
It is integrated above the lower section of processing board and joint-guiding device, the lower section of the joint-guiding device and the top phase of ultrasonic receiver
It welds, is connected below the top of the connection protector and ultrasonic receiver, the right side insertion of the connection protector
It is installed on the left side of ultrasonic wave starter, the right side of the ultrasonic wave starter is mutually welded with the left side of supersonic generator, institute
It states the top for excavating scroll bar and is nested on the inside of the sheath of side.
Further, the top of the support plate and the lower section of motor are mutually welded, the top of the support plate and ultrasonic wave
It is integrated on the outside of detector.
Further, it is connected on the outside of the lower section of the support plate and retaining collar, the lower section of the motor and excavation
It mutually welds the top of scroll bar.
Further, the lower section insertion for excavating scroll bar is installed on the inside of retaining collar, the lower section of the cockpit
It is integrated with above rear frame.
Further, the support plate is square structure.
Further, the excavation scroll bar is made of special alloy.
Further, the retaining collar is made of steel.
Beneficial effect
A kind of constructing device for construction machinery of the present invention, on the ground by retaining collar pressure, while in support plate
Electric motor starting is driven by motor and excavates scroll bar rotation excavation, while supersonic detector starting is by supersonic detector
Ultrasonic wave starter starts supersonic generator and issues detecting ultrasonic wave, then by ultrasonic receiver to the ultrasonic wave after detection
It is received, the data being collected into is transmitted on joint-guiding device by ultrasonic receiver, while joint-guiding device imports data to data
Numerical digit conversion is carried out in processing board, is imported data in processing chip by data processing plate and is carried out date comprision, if
Stress in excavation scroll bar normally handles chip and stores data into data processing plate, is then detected next time, if
The stress excavated in scroll bar is abnormal, and data with alert is imported data processing plate by processing chip, will stop ordering by data processing plate
It enables importing in motor and leaves the motor off operation, then the excavation scroll bar of damage is replaced by worker, utilizes ultrasound examination in this way
Device carries out internal injury detection to scroll bar is excavated, and avoids the generation of bigger loss.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the constructing device for construction machinery of the present invention；
Fig. 2 is a kind of the schematic diagram of the section structure of supersonic detector of the present invention.
In figure: support plate -1, excavates scroll bar -3, cockpit -4, rear frame -5, power wheel -6, support hydraulic pressure at motor -2
Bar -7, preceding driving wheel -8, pedestal -9, retaining collar -10, supersonic detector -11, side sheath -1101, support collet -1102, place
Manage chip -1103, data processing plate -1104, joint-guiding device -1105, outer protecting shell -1106, ultrasonic receiver -1107, connection guarantor
Protect device -1108, ultrasonic wave starter -1109, supersonic generator -1110.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Please refer to Fig. 1, Fig. 2, the present invention provides a kind of constructing device technical solution for construction machinery: its structure includes
Support plate 1, motor 2 excavate scroll bar 3, cockpit 4, rear frame 5, power wheel 6, support hydraulic pressure bar 7, preceding driving wheel 8, pedestal 9, consolidate
Determine lantern ring 10, supersonic detector 11, the left side insertion of the power wheel 6 is installed on the right side of rear frame 5, the support hydraulic pressure
The left side of bar 7 is connected with the right side of support plate 1, and the right side of the support hydraulic pressure bar 7 is connect with the upper iron square hinge of rear frame 5,
The left side insertion of the preceding driving wheel 8 is installed on the right side of rear frame 5, and the left side of the pedestal 9 is connected with the right side of support plate 1
It connects, the top of the supersonic detector 11 and the lower section of motor 2 fit, the inside of the supersonic detector 11 and excavation
The top of scroll bar 3 is nested, the supersonic detector 11 include side sheath 1101, support collet 1102, processing chip 1103,
Data processing plate 1104, joint-guiding device 1105, outer protecting shell 1106, ultrasonic receiver 1107, connection protector 1108, ultrasonic wave open
Dynamic device 1109, supersonic generator 1110, the outside of the side sheath 1101 and the inside of outer protecting shell 1106 are nested, the branch
The outside of support collet 1102 is connected with the inside of side sheath 1101, the lower section of the processing chip 1103 and data processing plate
1104 top is integrated, and the lower section of the processing chip 1103 is connected with the top of ultrasonic receiver 1107,
The lower section of the data processing plate 1104 and the top of joint-guiding device 1105 are integrated, the lower section of the joint-guiding device 1105 with
The top of ultrasonic receiver 1107 is mutually welded, the top of the connection protector 1108 and the lower section of ultrasonic receiver 1107
It is connected, the right side insertion of the connection protector 1108 is installed on the left side of ultrasonic wave starter 1109, and the ultrasonic wave opens
The right side of dynamic device 1109 and the left side of supersonic generator 1110 are mutually welded, the top for excavating scroll bar 3 and side sheath 1101
Inside be nested, the top of the support plate 1 is mutually welded with the lower section of motor 2, and the top of the support plate 1 and ultrasonic wave are examined
The outside for surveying device 11 is integrated, and the lower section of the support plate 1 is connected with the outside of retaining collar 10, the motor 2
Lower section and excavate the top of scroll bar 3 and mutually weld, the lower section insertion for excavating scroll bar 3 is installed on the inside of retaining collar 10,
The lower section of the cockpit 4 and the top of rear frame 5 are integrated, and the support plate 1 is square structure, the excavation whirlpool
Bar 3 is made of special alloy, and the retaining collar 10 is made of steel.
Pedestal 9 described in the present invention is a component of hydraulic support, it directly and contacts baseplate, the support force of bracket
It is transmitted to bottom plate, the motor 2 is indicated with letter M in circuit, its main function is to generate driving torque, as electricity consumption
The power source of device or various machinery, generator indicate that its main function is converted into using mechanical energy with letter G in circuit
Electric energy.
Carry out using when by the pressure of retaining collar 10 on the ground, while motor 2 in support plate 1 starts, and passes through motor 2
It drives and excavates the rotation excavation of scroll bar 3, while the starting of supersonic detector 11 is by the ultrasonic wave starter in supersonic detector 11
1109 starting supersonic generators 1110 issue detecting ultrasonic wave, then by the ultrasonic wave after 1107 pairs of ultrasonic receiver detections
It is received, the data being collected into is transmitted on joint-guiding device 1105 by ultrasonic receiver 1107, while joint-guiding device 1105 will
Data, which import, carries out numerical digit conversion in data processing plate 1104, import data to processing chip 1103 by data processing plate 1104
Interior carry out date comprision, if the stress in excavation scroll bar 3 normally handles chip 1103 and stores data into data processing
It in plate 1104, is then detected next time, if the stress excavated in scroll bar 3 is abnormal, handles chip 1103 for alarm number
According to data processing plate 1104 is imported, will be ceased and desisted order to import in motor 2 by data processing plate 1104 keeps motor 2 out of service, so
The excavation scroll bar 3 of damage is replaced by worker afterwards.
The present invention solves the prior art and excavates the risk that scroll bar has fracture when working, and causes to be easy to make when excavating
At peril generation the problem of, the present invention is combined with each other by above-mentioned component, and the present invention is a kind of for construction machinery
Constructing device, electric motor starting on the ground by retaining collar pressure, while in support plate are driven by motor and excavate scroll bar rotation
It excavates, while supersonic detector starting is issued by the ultrasonic wave starter starting supersonic generator in supersonic detector and visited
Ultrasonic wave is surveyed, then the ultrasonic wave after detection is received by ultrasonic receiver, will be collected by ultrasonic receiver
Data are transmitted on joint-guiding device, while joint-guiding device imports data to and carries out numerical digit conversion in data processing plate, passes through data processing
Plate imports data in processing chip and carries out date comprision, if the stress excavated in scroll bar normally handles chip for data
It is saved in data processing plate, is then detected next time, if the stress excavated in scroll bar is abnormal, processing chip will be warned
Count off is according to data processing plate is imported, and will be ceased and desisted order to import in motor by data processing plate leaves the motor off operation, then by work
People replaces the excavation scroll bar of damage, carries out internal injury detection to scroll bar is excavated using supersonic detector in this way, avoids
The generation of bigger loss.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of constructing device for construction machinery, it is characterised in that: its structure includes support plate (1), motor (2), excavates
Scroll bar (3), cockpit (4), rear frame (5), power wheel (6), support hydraulic pressure bar (7), preceding driving wheel (8), pedestal (9), fixing sleeve
Ring (10), supersonic detector (11), the left side insertion of the power wheel (6) are installed on the right side of rear frame (5), the support
It is connected on the right side of the left side of hydraulic stem (7) and support plate (1), the right side of the support hydraulic pressure bar (7) is upper with rear frame (5)
Iron square hinge connection, the left side insertion of the preceding driving wheel (8) are installed on the right side of rear frame (5), the left side of the pedestal (9) and branch
Fagging is connected on the right side of (1), fits below the top and motor (2) of the supersonic detector (11), the ultrasound
It is nested above the inside of wave detector (11) and excavation scroll bar (3), the supersonic detector (11) includes side sheath
(1101), collet (1102), processing chip (1103), data processing plate (1104), joint-guiding device (1105), outer protecting shell are supported
(1106), ultrasonic receiver (1107), connection protector (1108), ultrasonic wave starter (1109), supersonic generator
(1110), it is nested on the inside of the outside with outer protecting shell (1106) of the side sheath (1101), support collet (1102)
It is connected on the inside of outside and side sheath (1101), the lower section for handling chip (1103) is upper with data processing plate (1104)
Side is integrated, and is connected above the lower section and ultrasonic receiver (1107) of processing chip (1103), described
It is integrated above the lower section of data processing plate (1104) and joint-guiding device (1105), the lower section of the joint-guiding device (1105)
It is mutually welded with the top of ultrasonic receiver (1107), the top of the connection protector (1108) and ultrasonic receiver
(1107) it is connected below, the right side insertion of the connection protector (1108) is installed on a left side for ultrasonic wave starter (1109)
Side, the right side of the ultrasonic wave starter (1109) and the left side of supersonic generator (1110) are mutually welded, the excavation scroll bar
(3) it is nested on the inside of top and side sheath (1101).
2. a kind of constructing device for construction machinery according to claim 1, it is characterised in that: the support plate (1)
Top and the lower section of motor (2) mutually weld, be integrated on the outside of the top and supersonic detector (11) of the support plate (1)
Change structure.
3. a kind of constructing device for construction machinery according to claim 1, it is characterised in that: the support plate (1)
Lower section and retaining collar (10) on the outside of be connected, the lower section of the motor (2) and the top for excavating scroll bar (3) are mutually welded.
4. a kind of constructing device for construction machinery according to claim 1, it is characterised in that: the excavation scroll bar
(3) lower section insertion is installed on the inside of retaining collar (10), and the lower section of the cockpit (4) and the top of rear frame (5) are
Integral structure.
5. a kind of constructing device for construction machinery according to claim 1, it is characterised in that: the support plate (1)
For square structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563707.1A CN108756738B (en) | 2018-06-04 | 2018-06-04 | A kind of constructing device for construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563707.1A CN108756738B (en) | 2018-06-04 | 2018-06-04 | A kind of constructing device for construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108756738A CN108756738A (en) | 2018-11-06 |
| CN108756738B true CN108756738B (en) | 2019-06-28 |
Family
ID=64002725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563707.1A Active CN108756738B (en) | 2018-06-04 | 2018-06-04 | A kind of constructing device for construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108756738B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2758853B2 (en) * | 1995-05-09 | 1998-05-28 | 成幸工業株式会社 | Rotating shaft steady rest method |
| DE19616056C1 (en) * | 1996-04-23 | 1997-07-03 | H Aug Schmidt Transportanlagen | Controller for bucket-chain excavator with inverter-fed cable drives |
| CN203834544U (en) * | 2014-02-26 | 2014-09-17 | 广厦湖北第六建设工程有限责任公司 | Trenching machine for building foundation construction |
| CN206635841U (en) * | 2017-03-28 | 2017-11-14 | 中交第一航务工程局有限公司 | A kind of automatic excavation and construction device for deep foundation ditch |
-
2018
- 2018-06-04 CN CN201810563707.1A patent/CN108756738B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108756738A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107101615A (en) | Incline monitoring system for electric transmission line pole and its application process based on Bluetooth communication | |
| CN103912281B (en) | A kind of tunnel overhaul car and detection method | |
| CN203038398U (en) | Damage-preventing monitoring system for power cable | |
| CN106324530A (en) | Power supply detection method and device | |
| CN108756738B (en) | A kind of constructing device for construction machinery | |
| CN218378343U (en) | Buried pipeline outer anticorrosive coating damage detection device | |
| CN104112337B (en) | Transmission line channel protective alarming system | |
| CN203165121U (en) | Power cable anti-damage monitoring system | |
| CN102914707A (en) | System and method to monitor the operation of a power generation system | |
| CN104216365A (en) | Cloud-based remote tunnel surrounding rock displacement monitoring and warning system | |
| CN106356945A (en) | Charging pile based on wireless communication technology and adopting off-grid photovoltaic power generation | |
| CN203657939U (en) | Boom load spectrum data acquisition system and portable boom load spectrum data acquisition device thereof | |
| CN209910848U (en) | Detection apparatus integrating RFID temperature measurement, transient ground voltage detection and ultrasonic detection | |
| CN105261155B (en) | Mountain landslide supervision station equipment based on big-dipper satellite | |
| CN104500037B (en) | Wireless magnetic mark acquisition system of logging cables | |
| CN106886078B (en) | Cable blowing device | |
| CN209148210U (en) | A kind of pointer-type pressure gauge auxiliary examination tool | |
| CN113253637A (en) | Health monitoring system of development machine | |
| CN103590431B (en) | Intelligent axial force instrument capable of being recycled | |
| CN208089351U (en) | A kind of warning device for monitoring tunnel inverted arch preliminary bracing deformation | |
| CN206397545U (en) | A kind of tunnel machine excavates weak surrounding rock mutation prior-warning device | |
| CN219434971U (en) | Cable joint detects locater | |
| CN217738332U (en) | High-pressure pump running state monitoring device | |
| CN217006137U (en) | Temperature measuring device for wind generating set and wind generating set | |
| CN110031721A (en) | A kind of urban distribution network underground cable joint fault test set and method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |