CN106882716B - One kind splitting pre-alarming device and method for winding of rotary drilling rig steel wire rope fracture prevention - Google Patents
One kind splitting pre-alarming device and method for winding of rotary drilling rig steel wire rope fracture prevention Download PDFInfo
- Publication number
- CN106882716B CN106882716B CN201510931498.8A CN201510931498A CN106882716B CN 106882716 B CN106882716 B CN 106882716B CN 201510931498 A CN201510931498 A CN 201510931498A CN 106882716 B CN106882716 B CN 106882716B
- Authority
- CN
- China
- Prior art keywords
- steel wire
- wire rope
- winding
- winding steel
- microcomputer
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 238000004804 winding Methods 0.000 title claims abstract description 74
- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 28
- 230000004907 flux Effects 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 8
- 238000011897 real-time detection Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002968 anti-fracture Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
Abstract
The present invention provides one kind and splits pre-alarming device and method for winding of rotary drilling rig steel wire rope fracture prevention, and device includes sequentially connected pre-alarm device, microcomputer and sensor;Laser spray gun is connected on microcomputer;The muzzle of laser spray gun is directed at winding steel wire rope and distance is adjustable between winding steel wire rope;Sensor is mounted in winding steel wire rope.Whether the winding steel wire rope on rotary drilling rig in the work of method real-time monitoring generates magnetic flux leakage;Judge whether analog voltage signal exceeds early warning value;It marks at the fracture of wire of winding steel wire rope and controls rotary drilling rig and stop working;At the fracture of wire for overhauling winding steel wire rope.Device and method proposed by the present invention can be realized the real-time detection to wirerope, and Realtime Alerts, find the problem to be handled in time, avoid dangerous generation;Steel rope fault danger zone can be timely marked simultaneously, facilitates staff to search fracture of wire, is debugged in time, and then ensure that UHV transmission line construction is gone on smoothly.
Description
Technical field
The present invention relates to converting electricity fields, and in particular to one kind splits forecast for winding of rotary drilling rig steel wire rope fracture prevention
Alarm device and method.
Background technique
UHV transmission is developed on the basis of EHV transmission, and purpose is still to continue with raising ability to transmit electricity, real
Show in powerful, long distance power transmission, and realize remote Power System Interconnection, builds up pool.1000000
Volt HVAC power transmission line transmission power is about 4 to 5 times of 500 KV line;Positive and negative 800 kilovolts of direct-current ultra high voltages transmission of electricity
Ability is positive and negative 500 KV line more than twice.Meanwhile extra-high voltage AC circuit can be incited somebody to action in the case where conveying equal-wattage
Farthest power transmission distance extends 3 times, and is lost and there was only the 25% to 40% of 500 KV line.Same power is conveyed, using 1000
KV line transmission of electricity can save 60% land resource compared with using 500 kilovolts of route.Plan to before and after the year two thousand twenty, state
Family's power grid extra-high voltage bulk transmission grid basically forms, and the transregional transmission capacity of national grid will be more than 200,000,000 kilowatts, and Zhan Quanguo total installed capacity holds
20% or more of amount.At that time, it will be possibly realized from surrounding countries to Chinese remote, the transnational transmission of electricity of large capacity.
With the continuous development that UHV transmission line is built, transmission line of electricity mechanized construction degree is higher and higher.Simultaneously
In the construction process, mechanical equipment also exposes some problems.Wherein, rotary drilling rig is when carrying out bore operation, due to elevator
On wire cable rupture, also occasionally there is generation in the phenomenon that causing drill bit to be embedded in foot of hole.So research and development are to winding of rotary drilling rig
On pre-alarm instrument of the wirerope before being broken, just seem very intentionally to the safety of rotary drilling rig construction operation
Justice.
Summary of the invention
In view of this, a kind of winding of rotary drilling rig steel wire rope fracture prevention that is used for provided by the invention splits pre-alarming device and side
Method, the device and method can be realized the real-time detection to wirerope, and Realtime Alerts, find the problem to be handled in time,
Avoid dangerous generation;Steel rope fault danger zone can be timely marked simultaneously, facilitates staff to search fracture of wire, is able to
Debugging in time, and then ensure that UHV transmission line construction is gone on smoothly.
The purpose of the present invention is what is be achieved through the following technical solutions:
One kind splitting pre-alarming device for winding of rotary drilling rig steel wire rope fracture prevention, and described device includes sequentially connected forecast
Alert device, microcomputer and sensor;
Laser spray gun is connected on the microcomputer;The muzzle of the laser spray gun be aligned the winding steel wire rope and
The distance between the winding steel wire rope is adjustable;
The sensor is mounted in the winding steel wire rope.
Preferably, the pre-alarm device, microcomputer and the laser spray gun are installed on bracket, and the bracket
It is fixedly connected with the sensor.
Preferably, the bracket includes cross bar and the movable connecting rod that the cross bar bottom is arranged in;
One end of the cross bar is fixedly mounted on the support mast of the rotary drilling rig;
The other end of the cross bar is fixedly connected with the sensor.
Preferably, the upper surface of the cross bar is equipped with 2 card slots;
The pre-alarm device and microcomputer are separately fixed in 2 card slots.
Preferably, the movable connecting rod is L shape connecting rod;The vertical bar and horizon bar of the L shape connecting rod are can
The top of telescopic rod and the vertical bar is flexibly connected with the bottom of the cross bar;
The horizon bar for stating L shape connecting rod is equipped with slot;
The laser spray gun is fixedly connected with slot on the horizon bar.
One kind splitting forecast alarm method for winding of rotary drilling rig steel wire rope fracture prevention, and described method includes following steps:
Whether the winding steel wire rope on rotary drilling rig in the work of step 1. real-time monitoring generates magnetic flux leakage;
If so, converting analog voltage signal for the magnetic flux leakage variation of the winding steel wire rope, and enter step 2;
If nothing, continue to monitor;
Step 2. judges whether the analog voltage signal exceeds early warning value;
If so, determining that the winding steel wire rope has fracture of wire and alarms, 3 are entered step;
If it is not, then return step 1;
Step 3. stops working to being marked at the fracture of wire of the winding steel wire rope and control rotary drilling rig;
Step 4. is overhauled at the fracture of wire of the winding steel wire rope, return step 1.
Preferably, the step 1 includes:
1-1. installs sensor in the winding steel wire rope;
Magnetizing assembly in sensor described in 1-2. carries out axial magnetized, and the rotary digging in real-time monitoring work to wirerope
Whether the winding steel wire rope on drilling machine generates magnetic flux leakage;
If so, the magnetic flux leakage variation of the winding steel wire rope is converted analog voltage signal by the sensor, enter
1-3;
If nothing, continue to monitor;
The analog voltage signal is sent to microcomputer by sensor described in 1-3., enters step 2.
Preferably, the step 2 includes:
Microcomputer online processing described in 2-1. analyzes the analog voltage signal, and judges the analog voltage signal
Whether early warning value is exceeded;
If so, the microcomputer determines that the winding steel wire rope has fracture of wire, into 2-2;
If it is not, then return step 1;
Microcomputer described in 2-2. generates alarm signal, and the alarm signal is sent to pre-alarm device;
The alarm of pre-alarm device described in 2-3., enters step 3.
Preferably, the step 3 includes:
Microcomputer control laser spray gun described in 3-1. is moved at the fracture of wire of the winding steel wire rope;
Laser spray gun described in 3-2. is to progress color mark at the fracture of wire;
3-3. control rotary drilling rig stops working.
It is split it can be seen from the above technical scheme that the present invention provides one kind for winding of rotary drilling rig steel wire rope fracture prevention
Pre-alarming device and method, device include sequentially connected pre-alarm device, microcomputer and sensor;Connect on microcomputer
It is connected to laser spray gun;The muzzle of laser spray gun is directed at winding steel wire rope and distance is adjustable between winding steel wire rope;Sensor peace
In winding steel wire rope.Whether the winding steel wire rope on rotary drilling rig in the work of method real-time monitoring generates magnetic flux leakage;
Judge whether analog voltage signal exceeds early warning value;It marks at the fracture of wire of winding steel wire rope and controls rotary drilling rig and stop working;
At the fracture of wire for overhauling winding steel wire rope.Device and method proposed by the present invention can be realized the real-time detection to wirerope, in real time
Alarm, find the problem to be handled in time, avoid dangerous generation;Steel rope fault danger can be timely marked simultaneously
Region, facilitate staff search fracture of wire, debugged in time, so ensure that UHV transmission line construction smoothly into
Row.
Compared with the latest prior art, technical solution provided by the invention has following excellent effect:
1, in technical solution provided by the present invention, anti-wire cable rupture pre-alarm device is fixed on brill by bracket by device
On mast, the real-time detection to wirerope can be realized, Realtime Alerts, find the problem to be handled in time, avoid dangerous hair
It is raw.
2, technical solution provided by the present invention, device can timely mark steel rope fault danger by laser spray gun
Danger zone domain facilitates staff to search fracture of wire, is debugged in time, guarantees that construction is gone on smoothly.
3, technical solution provided by the present invention, method real-time monitoring work in rotary drilling rig on winding steel wire rope be
No generation magnetic flux leakage;Judge whether analog voltage signal exceeds early warning value;It marks at the fracture of wire of winding steel wire rope and controls rotation
Drilling machine is dug to stop working;At the fracture of wire for overhauling winding steel wire rope.Device and method proposed by the present invention can be realized to wirerope
Real-time detection, Realtime Alerts, find the problem to be handled in time, avoid dangerous generation;It can timely mark simultaneously
Steel rope fault danger zone out facilitates staff to search fracture of wire, is debugged in time, and then ensure that extra-high voltage is defeated
Electric line construction is gone on smoothly.
4, technical solution provided by the invention, is widely used, and has significant Social benefit and economic benefit.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that pre-alarming device is split for winding of rotary drilling rig steel wire rope fracture prevention of the invention;
Fig. 2 is the working principle diagram of pre-alarming device of the invention;
Fig. 3 is the schematic view of the mounting position of the application examples of pre-alarming device of the invention;
Fig. 4 is a kind of flow chart that forecast alarm method is split for winding of rotary drilling rig steel wire rope fracture prevention of the invention;
Fig. 5 is the flow diagram of the step 1 of method of the invention;
Fig. 6 is the flow diagram of the step 2 of method of the invention;
Fig. 7 is the flow diagram of the step 3 of method of the invention.
Wherein, 1- pre-alarm device;2- microcomputer;3- sensor;4- laser spray gun;5- winding steel wire rope;6- bracket;
601- cross bar;602- movable connecting rod;A- is mounted on the anti-fracture pre-alarming device on winding of rotary drilling rig wirerope.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 3, the present invention provides a kind of for the anti-fracture pre-alarming device of winding of rotary drilling rig wirerope 5, dress
It sets including sequentially connected pre-alarm device 1, microcomputer 2 and sensor 3;
Laser spray gun 4 is connected on microcomputer 2;Laser spray gun 4 muzzle alignment winding steel wire rope 5 and with elevator steel
The distance between cord 5 is adjustable;
Sensor 3 is mounted in winding steel wire rope 5.
Wherein, pre-alarm device 1, microcomputer 2 and laser spray gun 4 are installed on bracket 6, and bracket 6 and sensor 3
It is fixedly connected.
Bracket 6 includes cross bar 601 and the movable connecting rod 602 that 601 bottom of cross bar is arranged in;
One end of cross bar 601 is fixedly mounted on the support mast of rotary drilling rig;
The other end of cross bar 601 is fixedly connected with sensor 3.
Wherein, the upper surface of cross bar 601 is equipped with 2 card slots;
Pre-alarm device 1 and microcomputer 2 are separately fixed in 2 card slots.
Movable connecting rod 602 is L shape connecting rod;The vertical bar of L shape connecting rod and horizon bar are telescopic rod and vertical
The top of bar is flexibly connected with the bottom of cross bar 601;
The horizon bar of L shape connecting rod is equipped with slot;
Laser spray gun 4 is with slot in being fixedly connected on horizon bar.
As shown in figure 4, the present invention, which provides one kind, splits forecast alarm method, feature for winding of rotary drilling rig steel wire rope fracture prevention
It is, method includes the following steps:
Whether the winding steel wire rope on rotary drilling rig in the work of step 1. real-time monitoring generates magnetic flux leakage;
If so, converting analog voltage signal for the magnetic flux leakage variation of winding steel wire rope, and enter step 2;
If nothing, continue to monitor;
Step 2. judges whether analog voltage signal exceeds early warning value;
If so, determining that winding steel wire rope has fracture of wire and alarms, 3 are entered step;
If it is not, then return step 1;
Step 3. stops working to being marked at the fracture of wire of winding steel wire rope and control rotary drilling rig;
Step 4. is overhauled at the fracture of wire of winding steel wire rope, return step 1.
As shown in figure 5, step 1 includes:
1-1. installs sensor in winding steel wire rope;
Magnetizing assembly in 1-2. sensor carries out axial magnetized, and the rotary drilling rig in real-time monitoring work to wirerope
On winding steel wire rope whether generate magnetic flux leakage;
If so, the magnetic flux leakage variation of winding steel wire rope is converted analog voltage signal by sensor, into 1-3;
If nothing, continue to monitor;
Analog voltage signal is sent to microcomputer by 1-3. sensor, enters step 2.
As shown in fig. 6, step 2 includes:
2-1. microcomputer online processing analysis mode voltage signal, and judge whether analog voltage signal exceeds early warning
Value;
If so, microcomputer determines that winding steel wire rope has fracture of wire, into 2-2;
If it is not, then return step 1;
2-2. microcomputer generates alarm signal, and alarm signal is sent to pre-alarm device;
The alarm of 2-3. pre-alarm device, enters step 3.
As shown in fig. 7, step 3 includes:
3-1. Microcomputer control laser spray gun is moved at the fracture of wire of winding steel wire rope;
3-2. laser spray gun is to progress color mark at fracture of wire;
3-3. control rotary drilling rig stops working.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to a specific embodiment of the invention into
Row modifies perhaps equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement
Apply within pending claims of the invention.
Claims (5)
1. one kind splits pre-alarming device for winding of rotary drilling rig steel wire rope fracture prevention, which is characterized in that described device includes successively
Pre-alarm device, microcomputer and the sensor of connection;
Laser spray gun is connected on the microcomputer;The muzzle of the laser spray gun be aligned the winding steel wire rope and with institute
It is adjustable to state the distance between winding steel wire rope;
The sensor is mounted in the winding steel wire rope;
The pre-alarm device, microcomputer and the laser spray gun are installed on bracket, and the bracket and the sensing
Device is fixedly connected;
The bracket includes cross bar and the movable connecting rod that the cross bar bottom is arranged in;
One end of the cross bar is fixedly mounted on the support mast of the rotary drilling rig;
The other end of the cross bar is fixedly connected with the sensor;
The upper surface of the cross bar is equipped with 2 card slots;
The pre-alarm device and microcomputer are separately fixed in 2 card slots;
The movable connecting rod is L shape connecting rod;The vertical bar and horizon bar of the L shape connecting rod are telescopic rod and institute
The top for stating vertical bar is flexibly connected with the bottom of the cross bar;
The horizon bar of the L shape connecting rod is equipped with slot;
The laser spray gun is fixedly connected with slot on the horizon bar.
2. one kind splits forecast alarm method for winding of rotary drilling rig steel wire rope fracture prevention, which is characterized in that
Winding of rotary drilling rig steel wire rope fracture prevention splits pre-alarming device, and described device includes sequentially connected pre-alarm device, microcomputer
Calculation machine and sensor;
Laser spray gun is connected on the microcomputer;The muzzle of the laser spray gun be aligned the winding steel wire rope and with institute
It is adjustable to state the distance between winding steel wire rope;
The sensor is mounted in the winding steel wire rope;
The pre-alarm device, microcomputer and the laser spray gun are installed on bracket, and the bracket and the sensing
Device is fixedly connected;
The bracket includes cross bar and the movable connecting rod that the cross bar bottom is arranged in;
One end of the cross bar is fixedly mounted on the support mast of the rotary drilling rig;
The other end of the cross bar is fixedly connected with the sensor;
The upper surface of the cross bar is equipped with 2 card slots;
The pre-alarm device and microcomputer are separately fixed in 2 card slots;
The movable connecting rod is L shape connecting rod;The vertical bar and horizon bar of the L shape connecting rod are telescopic rod and institute
The top for stating vertical bar is flexibly connected with the bottom of the cross bar;
The horizon bar of the L shape connecting rod is equipped with slot;
The laser spray gun is fixedly connected with slot on the horizon bar;
Described method includes following steps:
Whether the winding steel wire rope on rotary drilling rig in the work of step 1. real-time monitoring generates magnetic flux leakage;
If so, converting analog voltage signal for the magnetic flux leakage variation of the winding steel wire rope, and enter step 2;
If nothing, continue to monitor;
Step 2. judges whether the analog voltage signal exceeds early warning value;
If so, determining that the winding steel wire rope has fracture of wire and alarms, 3 are entered step;
If it is not, then return step 1;
Step 3. stops working to being marked at the fracture of wire of the winding steel wire rope and control rotary drilling rig;
Step 4. is overhauled at the fracture of wire of the winding steel wire rope, return step 1.
3. method according to claim 2, which is characterized in that the step 1 includes:
1-1. installs sensor in the winding steel wire rope;
Magnetizing assembly in sensor described in 1-2. carries out axial magnetized, and the rotary drilling rig in real-time monitoring work to wirerope
On winding steel wire rope whether generate magnetic flux leakage;
If so, the magnetic flux leakage variation of the winding steel wire rope is converted analog voltage signal by the sensor, into 1-3;
If nothing, continue to monitor;
The analog voltage signal is sent to microcomputer by sensor described in 1-3., enters step 2.
4. method as claimed in claim 3, which is characterized in that the step 2 includes:
Microcomputer online processing described in 2-1. analyzes the analog voltage signal, and whether judges the analog voltage signal
Beyond early warning value;
If so, the microcomputer determines that the winding steel wire rope has fracture of wire, into 2-2;
If it is not, then return step 1;
Microcomputer described in 2-2. generates alarm signal, and the alarm signal is sent to pre-alarm device;
The alarm of pre-alarm device described in 2-3., enters step 3.
5. method as claimed in claim 4, which is characterized in that the step 3 includes:
Microcomputer control laser spray gun described in 3-1. is moved at the fracture of wire of the winding steel wire rope;
Laser spray gun described in 3-2. is to progress color mark at the fracture of wire;
3-3. control rotary drilling rig stops working.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510931498.8A CN106882716B (en) | 2015-12-15 | 2015-12-15 | One kind splitting pre-alarming device and method for winding of rotary drilling rig steel wire rope fracture prevention |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510931498.8A CN106882716B (en) | 2015-12-15 | 2015-12-15 | One kind splitting pre-alarming device and method for winding of rotary drilling rig steel wire rope fracture prevention |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106882716A CN106882716A (en) | 2017-06-23 |
CN106882716B true CN106882716B (en) | 2019-07-12 |
Family
ID=59175307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510931498.8A Active CN106882716B (en) | 2015-12-15 | 2015-12-15 | One kind splitting pre-alarming device and method for winding of rotary drilling rig steel wire rope fracture prevention |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106882716B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108918652A (en) * | 2018-07-13 | 2018-11-30 | 安徽吉乃尔电器科技有限公司 | A kind of detection device of haulage cable |
CN109867184B (en) * | 2019-02-25 | 2020-08-07 | 北京鼎原电梯安装有限公司 | Elevator rapid overhauling process |
CN110422783A (en) * | 2019-07-30 | 2019-11-08 | 杭州友邦演艺设备有限公司 | A kind of steel wire safety detection method of stage hoist |
CN113484407B (en) * | 2021-07-23 | 2024-03-08 | 徐州徐工基础工程机械有限公司 | Magnetic flaw detection device and detection method for steel wire rope of rotary drilling rig |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1129320A (en) * | 1995-02-18 | 1996-08-21 | 达川市科达新技术研究所 | Micro-computor-controlled intelligent detector of defects for steelcable |
CN101021507A (en) * | 2006-02-14 | 2007-08-22 | 王开济 | Intelligent virtual steel rope flow detector |
CN102879460A (en) * | 2012-09-18 | 2013-01-16 | 江苏申锡建筑机械有限公司 | Defect detecting system for steel wire rope |
CN202837240U (en) * | 2012-09-13 | 2013-03-27 | 安徽省皖江机电设备制造有限公司 | Steel rope flaw detector |
CN103994998A (en) * | 2013-02-20 | 2014-08-20 | 烟台久新精密机械设备有限公司 | Nondestructive flaw detector for steel wire ropes |
CN204287109U (en) * | 2014-11-24 | 2015-04-22 | 宝鸡石油机械有限责任公司 | A kind of testing device for wire ropes based on electromagnetic detection |
-
2015
- 2015-12-15 CN CN201510931498.8A patent/CN106882716B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1129320A (en) * | 1995-02-18 | 1996-08-21 | 达川市科达新技术研究所 | Micro-computor-controlled intelligent detector of defects for steelcable |
CN101021507A (en) * | 2006-02-14 | 2007-08-22 | 王开济 | Intelligent virtual steel rope flow detector |
CN202837240U (en) * | 2012-09-13 | 2013-03-27 | 安徽省皖江机电设备制造有限公司 | Steel rope flaw detector |
CN102879460A (en) * | 2012-09-18 | 2013-01-16 | 江苏申锡建筑机械有限公司 | Defect detecting system for steel wire rope |
CN103994998A (en) * | 2013-02-20 | 2014-08-20 | 烟台久新精密机械设备有限公司 | Nondestructive flaw detector for steel wire ropes |
CN204287109U (en) * | 2014-11-24 | 2015-04-22 | 宝鸡石油机械有限责任公司 | A kind of testing device for wire ropes based on electromagnetic detection |
Also Published As
Publication number | Publication date |
---|---|
CN106882716A (en) | 2017-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106882716B (en) | One kind splitting pre-alarming device and method for winding of rotary drilling rig steel wire rope fracture prevention | |
CN101956536B (en) | Rod carrying monitoring method and rod carrying prevention system for drill rod of rotary drilling machine | |
CN205140150U (en) | Step on pole climbers safety warning device | |
CN203359735U (en) | Anti-abrasion protecting device for elevator traction wheel and elevator rope | |
CN106099756A (en) | Powerline ice-covering disaster analysis device based on microclimate prediction | |
CN102243212B (en) | A kind of wire rope on-line measuring device | |
CN104134306A (en) | Alarm type electronic fence | |
CN203959683U (en) | Monorail hoist suspended rail anchor pole slip-off preventing monitoring device | |
CN109145488A (en) | Carrying Suo Shouli and sag computing method for line level crossing construction | |
CN205977278U (en) | Judge device of tunnel stability | |
CN104444872A (en) | Tower crane monitoring device | |
CN202351135U (en) | System for monitoring fatigue of steel wire rope on line based on five-point bending test | |
CN102590714A (en) | Electric wire fault detector | |
CN208142700U (en) | A kind of overhead transmission line, which floats, hangs object cleaning plant | |
CN203908573U (en) | Cableway steel wire rope flaw detector detection auxiliary device | |
CN204454366U (en) | A kind of monitored control system for boom type span winch repair and maintenance | |
CN106115515A (en) | A kind of sea work folding-jib crane released rope detecting device | |
CN104078878A (en) | Wire lifting device for replacing insulator in live mode | |
CN203858948U (en) | Safety rope device hung at high position and used at low position on large cover of transformer | |
CN104410009A (en) | Climbing type steel wire rope ladder | |
CN206014288U (en) | A kind of extra large work folding-jib crane released rope detecting device | |
CN110775826A (en) | Automatic identification system and method for dangerous source | |
CN204144631U (en) | A kind of distribution transforming inspection earthing line is met an urgent need crossover tool | |
CN103628728B (en) | A kind of for electric tower firm support structure | |
CN204728328U (en) | Oil field anchoring pile warning device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |