CN108827267A - A kind of verticality monitoring device - Google Patents
A kind of verticality monitoring device Download PDFInfo
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- CN108827267A CN108827267A CN201811008062.1A CN201811008062A CN108827267A CN 108827267 A CN108827267 A CN 108827267A CN 201811008062 A CN201811008062 A CN 201811008062A CN 108827267 A CN108827267 A CN 108827267A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/10—Plumb lines
- G01C15/105—Optical plumbing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/12—Instruments for setting out fixed angles, e.g. right angles
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Jib Cranes (AREA)
Abstract
The present invention provides a kind of verticality monitoring device, including lifting device, wrap attachment, measuring device, electric controller, the lifting device is set on the inside of the frame body of derrick crane or tripod head type elevator, the top of the lifting device is vertically fixedly connected with wrap attachment, the frame body bottom of the tower crane or aerial ladder is equipped with measuring device, the bottom outside of the lifting device is equipped with electric controller, and the lifting device, wrap attachment, measuring device are electrically connected with electric controller.The beneficial effects of the invention are as follows be relatively simple to install, it is easy to operate, can real-time perfoming monitor and alarm.
Description
Technical field
The invention belongs to construction equipment fields, more particularly, to a kind of verticality monitoring device.
Background technique
Derrick crane (tower crane), tripod head type elevator belong to the large scale equipment often used in construction,
It can be often in the close state that towers into the clouds in equipment use process.Due to needing the operation under higher state for a long time, prevent
This task of only collapsing is then top priority for the equipment that high altitude operation is constructed.The first step that prevents from collapsing needs the work done
Work is exactly the verticality of real-time watch device.
The instrument of the verticality of monitoring device and method are relatively more at present, but basic skills is all artificial using instrument and equipment
Squareness measurement is carried out from the bottom of equipment to be monitored.Professional standard《Mechanical Equipment at Construction Site Examined effect regulation》
The compulsive clause 6.5.7 of JGJ160-2008 is provided：When derrick crane is installed to the base altitude of design code, in zero load
Under windless condition, tower body axial line should not exceed 0.4% to the laterally horizontal degree deviation of bearing surface；After attachment, highest attachment point
Perpendicularity deviation below should not exceed 0.2%.From that can be installed in standard after base altitude and attachment to perpendicularity deviation
It is required that different, measured just for the two time points when measurement, some units in charge of construction are then to be installed to regulation
Height after be monitored measurement daily, but can not realize real-time monitoring, less be able to achieve the height raising with installation
While carry out real-time monitoring measurement.And for tripod head type elevator, with gradually rising for holder, should more carry out
Real-time monitoring measurement, with the appearance for the phenomenon that prevents from collapsing at any time in advance.But the prison of current all verticalities to such equipment
Measurement equipment all not can be realized the measuring device and method of real-time monitoring.
Summary of the invention
Be relatively simple to install the purpose of the present invention is providing one kind in order to solve the above problem, be easy to operate, can real-time perfoming
The verticality monitoring device for monitoring and alarming is especially suitable for setting for the high altitude operation such as derrick crane, tripod head type elevator construction
Standby verticality monitoring.
The technical scheme is that：A kind of verticality monitoring device, including lifting device, wrap attachment, measuring device,
Electric controller, the lifting device are set on the inside of the frame body of derrick crane or tripod head type elevator, the lifting dress
The top set vertically is fixedly connected with wrap attachment, and the frame body bottom of the tower crane or aerial ladder is equipped with measuring device, the lifting
The bottom outside of device is equipped with electric controller, and the lifting device, wrap attachment, measuring device are and electric controller
Electrical connection；
Further, the lifting device includes support groove body, Foldable lift ladder, assist device, the support groove body
For hollow rectangular tube body, and side is equipped with opening, and the inside both sides of the opening of the support groove body are equipped with two sliding slots, with institute
The inside for stating the support groove body of opening respective side is also correspondingly provided with two sliding slots, is respectively equipped with one group in every two corresponding sliding slots
Foldable lift is terraced, and fixed connecting rod, the ladder of Foldable lift described in two groups are equipped between the ladder of Foldable lift described in two groups
Between be additionally provided with several assist devices；
Further, " L " type groove, the support are equipped on the inner wall of three closures at the top of the support groove body
It is equipped with " L " the type boss extended on the inner wall of three closures of the bottom of groove body, two support groove bodies can pass through " L "
Type groove and the grafting up and down of " L " type boss are equipped with fixed connection apparatus in interface, and the fixed connection apparatus is bolt；
Further, the assist device is fluid pressure type assist device；
Further, wrap attachment includes horizontal support bar, protective cover, plumb bob, laser infrared line emitter, the water
One end of flat support rod is fixedly connected with the block for being connected in support groove body opening inner side, the opening of the block and support groove body
The Foldable lift ladder of two sides is fixedly connected, and is fixedly connected with protective cover, the line below the other end of the horizontal support bar
Hammer includes messenger wire and hammer body, and one end of the messenger wire is fixedly connected at the center protective cover Nei Ding, and the other end of the messenger wire is solid
Surely the central point of hammer body end face is connected, the bottom of the protective cover is transparent shelter wall；
Further, laser infrared line transmitter, the laser infrared line transmitting are equipped at the central tip of the hammer body
Device and hammer body grafting, the laser infrared line transmitter tail portion are equipped with battery；
Further, the measuring device includes laser infrared line receiving sensor, sensing circuit plate, sensing control mould
Block is equipped with sensing circuit plate, the sensing circuit plate in the frame body bottom center of the derrick crane, tripod head type elevator
Upper surface be fitted with laser infrared line receiving sensor, sensing control module is equipped with outside the side of the sensing circuit plate,
The laser infrared line receiving sensor, sensing circuit plate are electrically connected with sensing control module, and the sensing control module is set to
The outside of electric controller, and be electrically connected with electric controller；
Further, the electric controller include cabinet, it is hydraulic motor, transmission mechanism, Electronic control module, wireless
Transmission module, alarm module, alarm lamp, the derrick crane, tripod head type elevator frame body bottom side be equipped with cabinet,
The box house is respectively equipped with hydraulic motor, transmission mechanism, Electronic control module, wireless transport module, alarm module, described
Electronic control module is electrically connected with hydraulic motor, transmission mechanism, wireless transport module, alarm module respectively, the top of the cabinet
Portion is equipped with alarm lamp, and the alarm lamp is electrically connected with alarm module, the alarm module, Electronic control module, wireless transmission mould
Signal is transmitted between block；
A method of verticality being monitored using verticality monitoring device, is included the following steps：
After the plumb bob in wrap attachment hangs down, since plumb bob is in protective cover, and the bottom of protective cover is transparent blocks
Wall, therefore plumb bob will not be swung because being influenced by natural wind, the laser infrared line hair when plumb bob is no longer swung, below plumb bob
On the laser infrared line receiver of the measuring device of the laser infrared line directive bottom of emitter transmitting, laser infrared line receiver will
Received stable signal sends sensing circuit plate to, and sensing circuit plate transmits a signal to Electronic control module, electronic control again
Molding block transfers data to after the X of this signal of analytical Calculation and laser infrared line receiver central point (0,0), Y value difference
Electronic control module in electric controller, Electronic control module by judgement after if difference be more than warning value when, electricity
Dynamic control module issues instruction to wireless transport module and alarm module respectively, and wireless transport module sends alarm signal to shifting
Dynamic terminal, alarm module then start alarm lamp, alarm lamp signal an alert.
The invention has the advantages and positive effects that：
1, derrick crane, tripod head type elevator erection of frames during, with the raising of frame body, verticality inspection
Measurement equipment can also increase, convenient during the installation process to the real-time monitoring of the verticality of frame body；
2, derrick crane, tripod head type elevator frame body it is rack-mounted it is good after, since measuring for verticality equipment is mounted in
It is almost the same with the verticality of frame body on frame body, and measuring for verticality equipment can be gone up and down at any time, therefore can conveniently be surveyed in real time
Measure the verticality of the frame body of arbitrary height；
3, it is closed using ceiling hammer and laser infrared knot, so that entire monitoring process is more accurate.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is that lifting device of the invention casts aside structural schematic diagram；
Fig. 3 is the structural schematic diagram of support groove body of the invention；
Fig. 4 is the overall structure diagram removed after protective cover of the invention；
Fig. 5 is the schematic diagram of internal structure of electric controller of the present invention；
Fig. 6 is assist device structural schematic diagram of the present invention.
In figure：
Lifting device 1, support groove body 11, opening 111, sliding slot 112, " L " type groove 113, " L " type boss 114, fixed company
Connection device 115, Foldable lift ladder 12, fixed connecting rod 121, assist device 13, wrap attachment 2, horizontal support bar 21, block
211, protective cover 22, plumb bob 23, messenger wire 231, hammer body 232, laser infrared line transmitter 232a, laser infrared line emitter
24, measuring device 3, laser infrared line receiving sensor 31, sensing circuit plate 32, sensing control module 33, electric controller
4, cabinet 41, hydraulic motor 42, transmission mechanism 43, Electronic control module 44, wireless transport module 45, alarm module 46, alarm
Lamp 47, frame body 5.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention.
As shown in figures 1 to 6, a kind of verticality monitoring device of the present invention, including lifting device 1, wrap attachment 2, measuring device
3, electric controller 4, the lifting device 1 are set to 5 inside of frame body of derrick crane or tripod head type elevator, the liter
The top of falling unit 1 is vertically fixedly connected with wrap attachment 2, and 5 bottom of frame body of the tower crane or aerial ladder is equipped with measuring device 3,
The bottom outside of the lifting device 1 is equipped with electric controller 4, and the lifting device 1, wrap attachment 2, measuring device 3 are equal
It is electrically connected with electric controller 4；
Further, the lifting device 1 includes support groove body 11, Foldable lift ladder 12, assist device 13, the branch
Support groove body 11 is hollow rectangular tube body, and side is equipped with opening 111, the inside both sides of the opening 111 of the support groove body 11
Equipped with two sliding slots 112, two sliding slots 112 are also correspondingly provided with the inside of the support groove body 11 of 111 respective sides of the opening, often
It is respectively equipped with one group of Foldable lift ladder 12 in two corresponding sliding slots 112, is set between Foldable lift ladder 12 described in two groups
There is fixed connecting rod 121, several assist devices 13 are additionally provided between Foldable lift ladder 12 described in two groups；
Further, " L " type groove 113, institute are equipped on the inner wall of three closures at the top of the support groove body 11
It states and is equipped with " L " the type boss 114 extended, two support slots on the inner wall of three closures of the bottom of support groove body 11
Body 11 can be equipped with fixed connection apparatus 115 in interface by " L " type groove 113 and about 114 grafting of " L " type boss, described
Fixed connection apparatus 115 is bolt；
Further, the assist device 13 is that (this is the common hydraulic boosting device in market, cloud to fluid pressure type assist device
The lifting devices such as ladder use)；
Further, wrap attachment 2 includes horizontal support bar 21, protective cover 22, plumb bob 23, laser infrared line emitter
24, one end of the horizontal support bar 21 is fixedly connected with the block 211 for being connected in 111 inside of support groove body 11 opening, described
Block 211 is fixedly connected with the Foldable lift ladder 12 of 111 two sides of opening of support groove body 11, the horizontal support bar 21 it is another
Protective cover 22 is fixedly connected with below one end, the plumb bob 23 includes messenger wire 231 and hammer body 232, and one end of the messenger wire 231 is solid
Surely it is connected at 22 center Nei Ding of protective cover, the other end of the messenger wire 231 is fixedly connected with the central point of 232 end face of hammer body, institute
The bottom for stating protective cover 22 is transparent shelter wall；
Further, it is equipped with laser infrared line transmitter 232a at the central tip of the hammer body 232 and (uses 10 meters or more
Laser infrared line transmitter), the laser infrared line transmitter 232a and 232 grafting of hammer body, the laser infrared line
The tail portion transmitter 232a is equipped with battery；
Further, the measuring device 3 includes laser infrared line receiving sensor 31, sensing circuit plate 32, sensing control
Molding block 33 is equipped with sensing circuit plate 32 in 5 bottom center of frame body of the derrick crane, tripod head type elevator, described
The upper surface of sensing circuit plate 32 is fitted with laser infrared line receiving sensor 31, sets outside the side of the sensing circuit plate 32
There is sensing control module 33, the laser infrared line receiving sensor 31, sensing circuit plate 32 are electrically connected with sensing control module 33
It connects, the sensing control module 33 is set to the outside of electric controller 4, and is electrically connected with electric controller 4；
Further, the electric controller 4 includes cabinet 41, hydraulic motor 42, transmission mechanism 43, Electronic control mould
Block 44, wireless transport module 45, alarm module 46, alarm lamp 47, the frame body 5 of the derrick crane, tripod head type elevator
Bottom side is equipped with cabinet 41, is respectively equipped with hydraulic motor 42, transmission mechanism 43, Electronic control module inside the cabinet 41
44, wireless transport module 45, alarm module 46, the Electronic control module 44 respectively with hydraulic motor 42, transmission mechanism 43, nothing
Line transmission module 45, alarm module 46 are electrically connected, and the top of the cabinet 41 is equipped with alarm lamp 47, the alarm lamp 47 and alarm
Module 46 is electrically connected, and the alarm module 46, Electronic control module 44 transmit signal between wireless transport module 45.It is wireless to pass
Alarm signal can be transferred to mobile terminal by defeated module 45, continue warning reminding by the application software on mobile terminal,
Mobile terminal can also consult the real-time derrick crane of each height or the verticality of tripod head type Frame of elevator at any time simultaneously
Data；
A method of verticality being monitored using verticality monitoring device, is included the following steps：
After the plumb bob 23 in wrap attachment 2 hangs down, since plumb bob 23 is in protective cover 212, and the bottom of protective cover 212
For transparent shelter wall, therefore plumb bob 23 will not be swung because being influenced by natural wind, when plumb bob 23 is no longer swung, under plumb bob 23
The laser infrared line receiver 31 of the measuring device 3 for the laser infrared line directive bottom that the laser infrared line transmitter 31 of side emits
On, laser infrared line receiver 31 sends received stable signal to sensing circuit plate 32, and sensing circuit plate 32 again will letter
Number send Electronic control module 44 to, Electronic control module 44 is by this signal of analytical Calculation and laser infrared line receiver 31
The Electronic control module 44 in electric controller 4, Electronic control module are transferred data to after the X of heart point (0,0), Y value are poor
44 after judgement if when difference is more than warning value, Electronic control module 44 is to wireless transport module 45 and alarm module 46
Instruction is issued respectively, wireless transport module 45 sends alarm signal to mobile terminal, and alarm module 46 then starts alarm lamp 47,
47 signal an alert of alarm lamp.
The course of work of this example：In use, can initially be installed simultaneously when building the frame body 5 of derrick crane vertical
Monitoring device is spent, with the raising of frame body 5, constantly increases support groove body 11, i.e., constantly connects support by way of grafting
Groove body 11；For tripod head type elevator, verticality monitoring device is gone up and down before tripod head type elevator use according to holder
The electric controller 4 of verticality monitoring device and measuring device 3 are installed on and go up and down with tripod head type by the maximum load height of machine
By Rack Body, then likewise as the raising of frame body 5, constantly increase support groove body；
Foldable lift ladder 12 is set to the inside of support groove body 11, and Foldable lift ladder 12 is necessary when why designing
Support groove body 11 inside sliding slot 112 in slide, really in order to guarantee measuring device 3 itself verticality will with it is to be measured
The verticality of the frame body 5 of amount is consistent；
Since wrap attachment 2 is the top for installing Foldable lift ladder 12, in the process of installation support groove body 11
In can measure at any time real-time mounting height frame body 5 verticality；
The measurement method of verticality includes the following steps：
After the plumb bob 23 in wrap attachment 2 hangs down, since plumb bob 23 is in protective cover 22, and the bottom of protective cover 22 is
Transparent shelter wall, therefore plumb bob 23 will not be swung because being influenced by natural wind, when plumb bob 23 is no longer swung, 23 lower section of plumb bob
Laser infrared line transmitter 232a transmitting laser infrared line directive bottom measuring device 3 laser infrared line receiver 31
On, laser infrared line receiver 31 sends received stable signal to sensing circuit plate 32, and sensing circuit plate 32 again will letter
Number send Electronic control module 44 to, Electronic control module 44 is by this signal of analytical Calculation and laser infrared line receiver 31
The Electronic control module 44 in electric controller 4, Electronic control module are transferred data to after the X of heart point (0,0), Y value are poor
44 after judgement if when difference is more than warning value, Electronic control module 44 is to wireless transport module 45 and alarm module 46
Instruction is issued respectively, wireless transport module 45 sends alarm signal to mobile terminal, and alarm module 46 then starts alarm lamp 47,
47 signal an alert of alarm lamp.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (9)
1. a kind of verticality monitoring device, it is characterised in that：Including lifting device, wrap attachment, measuring device, Electronic control dress
It sets, the lifting device is set on the inside of the frame body of derrick crane or tripod head type elevator, and the top of the lifting device is hung down
Directly it is fixedly connected with wrap attachment, the frame body bottom of the tower crane or aerial ladder is equipped with measuring device, the bottom of the lifting device
Outside is equipped with electric controller, and the lifting device, wrap attachment, measuring device are electrically connected with electric controller.
2. a kind of verticality monitoring device according to claim 1, it is characterised in that：The lifting device includes support slot
Body, Foldable lift ladder, assist device, the support groove body is hollow rectangular tube body, and side is equipped with opening, the support
The inside both sides of the opening of groove body are equipped with two sliding slots, are also correspondingly provided with two with the inside of the support groove body of the opening respective side
Bar sliding slot, is respectively equipped with one group of Foldable lift ladder in every two corresponding sliding slots, between the ladder of Foldable lift described in two groups
Equipped with fixed connecting rod, several assist devices are additionally provided between the ladder of Foldable lift described in two groups.
3. a kind of verticality monitoring device according to claim 1, it is characterised in that：The three of the top of the support groove body
It is equipped with " L " type groove on the inner wall of a closure, is equipped with extension on the inner wall of three closures of the bottom of the support groove body
" L " type boss out, two support groove bodies can be equipped with by " L " type groove and the grafting up and down of " L " type boss in interface
Fixed connection apparatus, the fixed connection apparatus are bolt.
4. a kind of verticality monitoring device according to claim 3, it is characterised in that：The assist device helps for fluid pressure type
Pushing device.
5. a kind of verticality monitoring device according to claim 1, it is characterised in that：Wrap attachment includes horizontally-supported
Bar, protective cover, plumb bob, laser infrared line emitter, one end of the horizontal support bar, which is fixedly connected with, is connected in support slot
The block of body opening inner side, the block are fixedly connected with the Foldable lift ladder of the opening two sides of support groove body, the level
It is fixedly connected with protective cover below the other end of support rod, the plumb bob includes messenger wire and hammer body, and one end of the messenger wire is fixed
It is connected at the center protective cover Nei Ding, the other end of the messenger wire is fixedly connected with the central point of hammer body end face, the protective cover
Bottom is transparent shelter wall.
6. a kind of verticality monitoring device according to claim 1, it is characterised in that：It is set at the central tip of the hammer body
There are laser infrared line transmitter, the laser infrared line transmitter and hammer body grafting, the laser infrared line transmitter tail portion is set
There is battery.
7. a kind of verticality monitoring device according to claim 1, it is characterised in that：The measuring device includes that laser is red
Outside line receiving sensor, sensing circuit plate, sensing control module, at the frame body bottom of the derrick crane, tripod head type elevator
Sensing circuit plate is equipped at portion center, the upper surface of the sensing circuit plate is fitted with laser infrared line receiving sensor, described
Sensing control module, the laser infrared line receiving sensor, sensing circuit plate and biography are equipped with outside the side of sensing circuit plate
Feel control module electrical connection, the sensing control module is set to the outside of electric controller, and is electrically connected with electric controller
It connects.
8. a kind of verticality monitoring device according to claim 1, it is characterised in that：The electric controller includes case
Body, hydraulic motor, transmission mechanism, Electronic control module, wireless transport module, alarm module, alarm lamp, the tower lifting
Machine, tripod head type elevator the bottom side of frame body be equipped with cabinet, the box house is respectively equipped with hydraulic motor, driver
Structure, Electronic control module, wireless transport module, alarm module, the Electronic control module respectively with hydraulic motor, driver
Structure, wireless transport module, alarm module electrical connection, the top of the cabinet are equipped with alarm lamp, the alarm lamp and alarm module
Electrical connection, the alarm module, Electronic control module transmit signal between wireless transport module.
9. a kind of method using verticality monitoring device monitoring verticality described in claim 1, it is characterised in that：Monitoring is hung down
The method directly spent includes the following steps：
After the plumb bob in wrap attachment hangs down, since plumb bob is in protective cover, and the bottom of protective cover is transparent shelter wall, because
This plumb bob will not be swung because being influenced by natural wind, the laser infrared line transmitter when plumb bob is no longer swung, below plumb bob
On the laser infrared line receiver of the measuring device of the laser infrared line directive bottom of transmitting, laser infrared line receiver will be received
Stable signal send sensing circuit plate to, sensing circuit plate transmits a signal to Electronic control module, Electronic control mould again
Block transfers data to electronic after the X of this signal of analytical Calculation and laser infrared line receiver central point (0,0), Y value difference
Electronic control module in control device, Electronic control module by judgement after if difference be more than warning value when, electronic control
Molding block issues instruction to wireless transport module and alarm module respectively, and wireless transport module sends alarm signal to mobile whole
End, alarm module then start alarm lamp, alarm lamp signal an alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008062.1A CN108827267B (en) | 2018-08-31 | 2018-08-31 | Straightness monitoring facilities hangs down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008062.1A CN108827267B (en) | 2018-08-31 | 2018-08-31 | Straightness monitoring facilities hangs down |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108827267A true CN108827267A (en) | 2018-11-16 |
| CN108827267B CN108827267B (en) | 2024-03-08 |
Family
ID=64151794
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811008062.1A Active CN108827267B (en) | 2018-08-31 | 2018-08-31 | Straightness monitoring facilities hangs down |
Country Status (1)
| Country | Link |
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| CN (1) | CN108827267B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849336A (en) * | 2019-11-27 | 2020-02-28 | 中国电建集团山东电力建设第一工程有限公司 | Tower body verticality measuring device and method for tower crane |
| CN112252482A (en) * | 2020-12-07 | 2021-01-22 | 中铁建设集团华北工程有限公司 | Hydraulic lifting device for steel structure roof and construction method thereof |
| CN112833822A (en) * | 2021-01-14 | 2021-05-25 | 李忠华 | Deflection measuring device for crane detection |
| CN113895583A (en) * | 2021-09-27 | 2022-01-07 | 中船黄埔文冲船舶有限公司 | Plumb bob rimq device |
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| CN112833822A (en) * | 2021-01-14 | 2021-05-25 | 李忠华 | Deflection measuring device for crane detection |
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| CN113895583A (en) * | 2021-09-27 | 2022-01-07 | 中船黄埔文冲船舶有限公司 | Plumb bob rimq device |
| CN113895583B (en) * | 2021-09-27 | 2023-12-22 | 中船黄埔文冲船舶有限公司 | Wind shielding device of plumb bob |
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