CN205804987U - A kind of heavy construction sub-truss lifting detection device - Google Patents
A kind of heavy construction sub-truss lifting detection device Download PDFInfo
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- CN205804987U CN205804987U CN201620632442.2U CN201620632442U CN205804987U CN 205804987 U CN205804987 U CN 205804987U CN 201620632442 U CN201620632442 U CN 201620632442U CN 205804987 U CN205804987 U CN 205804987U
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- lifting
- truss
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- control system
- suspension centre
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 230000001737 promoting effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of heavy construction sub-truss lifting detection device, described device includes control system, hydraulic system, lifting system, range-measurement system；Described control system adopts the output of lifting system of computerizeing control；Described lifting system is fixedly mounted on the lower section promoting suspension centre of sub-truss by several lift cylinders；This utility model adoption rate hydraulic system stressing conditions by oil pressure sensor feedback poppet oil cylinder, lifting process is steady to use laser range finder to ensure, prevents the difference in height occurring tilt problem conservative control each lifting suspension centre in sub-truss hoisting process.
Description
Technical field
This utility model relates to a kind of construction auxiliary device, in particular, relates to a kind of heavy construction and supports
Truss lifting detection device.
Background technology
The heavy construction sub-truss structure that right and wrong are usually shown in existing design, the most more and more builds employing
Large-span steel, large-span steel is lighter than traditional concrete quality, it is possible to achieve various shapes designs, and meets outside building
See requirement, but problem be heavy construction sub-truss installs truss according to on-the-spot high altitude bulk assembly in hoisting process,
The moulding bed amount of setting up is big, costly, if using splicing in bulk, controls the machining accuracy of heavy construction sub-truss and numerous pre-
Embedded part and scaffold height prop up the problems such as the control of the absolute altitude of system, axis and bring a lot of uncontrollable impact to construction,
Cause construction speed low, effect is installed undesirable.
Utility model content
This utility model is for the deficiency of existing product, and provides a kind of heavy construction sub-truss lifting detection device.
A kind of heavy construction sub-truss lifting detection device of the present utility model, described device includes control system, liquid
Pressure system, lifting system, range-measurement system；Described control system adopts the output of lifting system of computerizeing control；Described carry
The system of liter is fixedly mounted on the lower section promoting suspension centre of sub-truss by several lift cylinders；The lifting oil of described lifting system
Being provided with oil pressure sensor on cylinder, described oil pressure sensor and control system are connected by wire；Each described lifting suspension centre
Lower section is provided with laser range finder；Described laser range finder is connected by holding wire and control system, and control system adjusts each
Promote the difference in height of suspension centre.
Described hydraulic system includes proportional pressure valve group, proportional direction valve group and latching valve group；Described ratio pressure
Regulation valve group controls to be adjusted controlling by the detection signal of control system；Described proportional pressure valve group correspondence controls ratio
The output of proportional direction valve group, described proportional direction valve group is connected by oil pipe and corresponding lift cylinder；Described latching valve group bag
Include pressure transducer, flow transducer, automatically controlled self-locking hydraulic valve composition；Described pressure transducer and flow transducer pass through wire
Connecting with control system, pressure and the flow volume change values of hydraulic system are set by described control system, described automatically controlled self-locking
Hydraulic valve is controlled opening by the detection signal of pressure transducer or flow transducer.
Described automatically controlled self-locking hydraulic valve normality is closure state, when pressure and the flow volume change values of hydraulic system exceed system
During setting value, automatically controlled self-locking hydraulic valve is for opening duty.
Described device also includes lifting stress mornitoring system, and described lifting stress mornitoring system uses stress paster to be arranged on
The lifting suspension centre region of stress concentration of each sub-truss, described stress paster is installed sub-truss and is promoted suspension centre area of stress concentration
The stretching strain district of the both sides up and down in territory and compressive strain district.
The beneficial effects of the utility model are: this utility model uses multi-point lifting suspension centre, to sub-truss before lifting
Carry out force analysis and choose contingent deformation during calculating sub-truss lifting construction, determine lifting suspension centre quantity and position
Put, lifting moment needed for each lifting suspension centre, simultaneously according to the distributing position of sub-truss weight, determine the type of lift cylinder
Number；Guarantee hoisting process prevents sub-truss stress deformation, affect installation accuracy；This utility model adoption rate hydraulic pressure
The system stressing conditions by oil pressure sensor feedback poppet oil cylinder, lifting process is steady to use laser range finder to ensure, prevents
Sub-truss hoisting process occurs the difference in height of tilt problem conservative control each lifting suspension centre.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of heavy construction sub-truss hanging apparatus of the present utility model.
Fig. 2 is the schematic diagram of lifting suspension centre of the present utility model.
In figure: control system 11, hydraulic system 2, lifting system 3, range-measurement system 4, lifting suspension centre 5.
Detailed description of the invention
The utility model will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, this utility model one heavy construction sub-truss lifting detection device, described device includes controlling
System 1, hydraulic system 2, lifting system 3, range-measurement system 4；Described control system 1 adopts the defeated of lifting system 3 that computerized control
Go out power；Described lifting system 3 is fixedly mounted on the lower section promoting suspension centre of sub-truss by several lift cylinders；Described carry
On the lift cylinder of liter system 3, oil pressure sensor, described oil pressure sensor and control system 1 are installed to be connected by wire；Often
The lower section of individual described lifting suspension centre is provided with laser range finder；Described laser range finder is connected by holding wire and control system 1,
Control system 1 adjusts the difference in height of each lifting suspension centre.
Described hydraulic system 2 includes proportional pressure valve group, proportional direction valve group and latching valve group；Described ratio pressure
Regulation valve group controls to be adjusted controlling by the detection signal of control system 1；Described proportional pressure valve group correspondence controls
The output of proportional direction valve group, described proportional direction valve group is connected by oil pipe and corresponding lift cylinder；Described latching valve group
Including pressure transducer, flow transducer, automatically controlled self-locking hydraulic valve composition；Described pressure transducer and flow transducer are by leading
Line and control system 1 connect, and pressure and the flow volume change values of hydraulic system 2 are set by described control system 1, described automatically controlled
Self-locking hydraulic valve is controlled opening by the detection signal of pressure transducer or flow transducer.
Described automatically controlled self-locking hydraulic valve normality is closure state, when the pressure of hydraulic system 2 and flow volume change values exceed is
During system setting value, automatically controlled self-locking hydraulic valve is for opening duty.
Described device also includes lifting stress mornitoring system, and described lifting stress mornitoring system uses stress paster to be arranged on
The lifting suspension centre region of stress concentration of each sub-truss, described stress paster is installed sub-truss and is promoted suspension centre area of stress concentration
The stretching strain district of the both sides up and down in territory and compressive strain district.
The using method of a kind of heavy construction sub-truss lifting detection device comprises the following steps；
Step 1, determine lifting suspension centre；Structure design according to heavy construction sub-truss, sets up heavy construction and supports purlin
Frame lifting threedimensional model, carries out lifting the applying of load, may send out during calculating sub-truss lifting construction threedimensional model
Raw deformation, determines the lifting moment promoted needed for suspension centre quantity and position, each lifting suspension centre, simultaneously according to sub-truss weight
The distributing position of amount, determines the model of lift cylinder；
Step 2, installation lift cylinder；Laser range finder is installed, detects each lifting of sub-truss by laser range finder
The difference in height of suspension centre；Lower section correspondence at each lifting suspension centre installs lift cylinder, in the premise not changing sub-truss height
Under, make lift cylinder and sub-truss be in stress by control system 1；Lifting suspension centre stress at each sub-truss
Concentrated area mount stress paster, the stress deformation situation of detection sub-truss；
Step 3, preparation improvement stage；The lifting moment needed for obtained each lifting suspension centre is calculated according to step one,
Synchronizing to increase according to the magnitude of 5% to promote moment, the lift cylinder making each sub-truss promote suspension centre is in elongation certain length
Rear and be in holding stress, the lifting level of sub-truss is observed simultaneously, prevent sub-truss generation center of gravity from losing
Steady situation；
Step 4, improvement stage；Sub-truss is after preparing improvement stage inspection, and control system 1 controls lifting system
The lifting speed controlling of 3 is at 1-6m/h；The displacement of sub-truss is carried out by the improvement stage by control system 1 and range-measurement system 4
Observation closely, according to the size of sub-truss displacement, timely adjustment column promotes loading grade and the loading sequence of suspension centre, prevents from propping up
Support truss generation unstable phenomenon, lifting suspension centre emphasis the to be carried out observation to the sub-truss of stress bias；
Step 5, after sub-truss rises to the absolute altitude of predetermined design, installed position install steel corbel support, adopt
With the big lifting suspension centre of the sub-truss stress that first falls, after fall the little order promoting suspension centre of sub-truss stress by sub-truss pair
Installing hole is answered to be seated on steel corbel support, rigging out.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize equivalent structure or equivalence flow process conversion that this utility model description made, or be directly or indirectly used in other phases
The technical field closed, is the most in like manner included in scope of patent protection of the present utility model.
Claims (2)
1. a heavy construction sub-truss lifting detection device, is characterized in that, described device includes control system, hydraulic pressure system
System, lifting system, range-measurement system；Described control system adopts the output of lifting system of computerizeing control；Described lifting is
Unite and be fixedly mounted on the lower section promoting suspension centre of sub-truss by several lift cylinders；On the lift cylinder of described lifting system
Being provided with oil pressure sensor, described oil pressure sensor and control system are connected by wire；The lower section of each described lifting suspension centre
Laser range finder is installed；Described laser range finder is connected by holding wire and control system, and control system adjusts each lifting
The difference in height of suspension centre；Described device also includes lifting stress mornitoring system, and described lifting stress mornitoring system uses stress paster
Being arranged on the lifting suspension centre region of stress concentration of each sub-truss, described stress paster is installed sub-truss and is promoted suspension centre stress
The stretching strain district of the both sides up and down of concentrated area and compressive strain district；Described hydraulic system includes proportional pressure valve group, ratio
Direction valve group and latching valve group；Described proportional pressure valve group controls to be adjusted control by the detection signal of control system
System；Described proportional pressure valve group correspondence controls the output of proportional direction valve group, described proportional direction valve group by oil pipe and
Corresponding lift cylinder connects；Described latching valve group includes that pressure transducer, flow transducer, automatically controlled self-locking hydraulic valve form；
Described pressure transducer and flow transducer are connected by wire and control system, the described control system pressure to hydraulic system
Being set with flow volume change values, described automatically controlled self-locking hydraulic valve is entered by the detection signal of pressure transducer or flow transducer
Row controls to open.
A kind of heavy construction sub-truss lifting detection device the most according to claim 1, is characterized in that, described automatically controlled from
Lock hydraulic valve normality is closure state, when the pressure of hydraulic system and flow volume change values exceed default value, and automatically controlled self-locking
Hydraulic valve is for opening duty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632442.2U CN205804987U (en) | 2016-06-24 | 2016-06-24 | A kind of heavy construction sub-truss lifting detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632442.2U CN205804987U (en) | 2016-06-24 | 2016-06-24 | A kind of heavy construction sub-truss lifting detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205804987U true CN205804987U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620632442.2U Expired - Fee Related CN205804987U (en) | 2016-06-24 | 2016-06-24 | A kind of heavy construction sub-truss lifting detection device |
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| CN (1) | CN205804987U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013813A (en) * | 2016-06-24 | 2016-10-12 | 中国十七冶集团有限公司 | Hoisting and detecting device for large building support truss and use method of device |
| CN110907211A (en) * | 2019-12-12 | 2020-03-24 | 上海港机重工有限公司 | Multifunctional testing station for container lifting appliance of straddle carrier |
| CN111550062A (en) * | 2020-06-01 | 2020-08-18 | 中建七局第二建筑有限公司 | Hoisting steel frame design method applied to field of building curtain wall |
-
2016
- 2016-06-24 CN CN201620632442.2U patent/CN205804987U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013813A (en) * | 2016-06-24 | 2016-10-12 | 中国十七冶集团有限公司 | Hoisting and detecting device for large building support truss and use method of device |
| CN106013813B (en) * | 2016-06-24 | 2018-03-06 | 中国十七冶集团有限公司 | A kind of heavy construction sub-truss lifting detection means and its application method |
| CN110907211A (en) * | 2019-12-12 | 2020-03-24 | 上海港机重工有限公司 | Multifunctional testing station for container lifting appliance of straddle carrier |
| CN111550062A (en) * | 2020-06-01 | 2020-08-18 | 中建七局第二建筑有限公司 | Hoisting steel frame design method applied to field of building curtain wall |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |