CN208121780U - A kind of Bidirectional supporting system deformation monitoring compensation device - Google Patents
A kind of Bidirectional supporting system deformation monitoring compensation device Download PDFInfo
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- CN208121780U CN208121780U CN201820330940.0U CN201820330940U CN208121780U CN 208121780 U CN208121780 U CN 208121780U CN 201820330940 U CN201820330940 U CN 201820330940U CN 208121780 U CN208121780 U CN 208121780U
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- bracing members
- cruciform joint
- deformation monitoring
- supporting system
- movable end
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Abstract
The utility model discloses a kind of Bidirectional supporting system deformation monitoring compensation devices, belong to foundation pit support system technical field, it solves traditional two-way steel support to be installed as fixing end to other end from one end in the construction process, it is difficult to ensure the precise positioning of the two-way bracing members cruciform joint of overlength, apply prestressing force and be also easy to produce displacement error, it is difficult to the problem of guaranteeing deep big foundation pit construction safety.The system includes cruciform joint, symmetrically set gradually the bracing members and movable end of its two sides, the other end of movable end is connected by the purlin of built-in fitting and foundation pit, and the sync control device for being able to detect and controlling bracing members and cruciform joint offset deviation is equipped at cruciform joint.
Description
Technical field
The utility model belongs to foundation pit support system technical field, and in particular to a kind of Bidirectional supporting system deformation monitoring benefit
Repay device.
Background technique
The general fixing end of two-way steel support system is fixed at purlin now, adds prestressing force at movable end one end to protect
Its system stress is demonstrate,proved, and applies bracing members system all erection completions before prestressing force, the method is to the double of general foundation pit
It is still applicable in bracing members system, but bracing members one end two-way for overlength applies prestressing force and is difficult to ensure its entire bracing members body
The offset deviation and torque generated at the torque born, especially Bidirectional supporting cruciform joint is larger, influences bracing members system
Stress safety, it is difficult to guarantee the safe construction of deep big foundation pit, thus must develop it is a kind of new can synchronous apply in both ends answer in advance
Power bracing members system and construction technology meet the synchronous application prestressing force in its both ends and are brought with eliminating torque to the construction of bracing members system
Influence.
Utility model content
The utility model be directed to traditional two-way steel support in the construction process from one end as fixing end to other end into
Row installation, it is difficult to which the precise positioning for guaranteeing the two-way bracing members cross Orthogonal Joint of overlength is also easy to produce displacement error, thus generates attached
Add torque, influences steel Bidirectional supporting system stress, it is difficult to guarantee deep big foundation pit construction safety.Two-way branch provided by the utility model
Support body system deformation monitoring compensation device, wherein bracing members system both ends are made of movable end, so as to same in bracing members two sides
Step applies prestressing force, reduces the displacement error that cruciform joint generates therefrom, to guarantee that overlength two-way steel support system is additional
Torque guarantees deep big foundation pit construction safety within the scope of reasonable mechanical.
In order to solve the above technical problems, the utility model provides the following technical solutions：
A kind of Bidirectional supporting system deformation monitoring compensation device, including cruciform joint, bracing members and movable end, described ten
Word connector two sides are successively symmetrical arranged bracing members and movable end, and the bracing members are successively connected by several type steel support standard knot head and the tail
It connects；Described movable end one end is fixedly connected with the bracing members, and the other end of the movable end passes through built-in fitting and foundation pit
Purlin connection；It further include sync control device, the sync control device is set on the cruciform joint, the synchronous control
Device processed can control the opening and closing of the jack oil motor at movable end.
Further, the sync control device include central synchronization control processor, laser range finder, reception device and
Radio transmitting device, reception device receive institute during the application prestressing force that the laser range finder being set on cruciform joint measures
Range deviation caused by cruciform joint is stated, and signal is fed back into the central synchronization control processor, once range deviation
More than early warning value, central synchronization control processor closes jack oil motor by radio transmitting device immediately.
Further, the cruciform joint or bracing members are set on lattice column bracket or moveable interim bracket
On.
Further, the cruciform joint is fixedly connected with the bracing members by ring flange.
Further, the movable end is fixedly connected with the bracing members by ring flange.
Further, the purlin is concrete purlin or steel purlin.
Compared with prior art, the beneficial technical effect of the utility model is as follows：
(1) the utility model can the synchronous prestressed two-way steel support system both ends that apply in both ends be made of movable end,
Can both ends are synchronous applies prestressing force, avoid traditional two-way steel support system one end and apply prestressing force and generate cross bidirectional joint
Displacement error reduces the additional bending moment generated in the construction process, it is ensured that the axially loaded of bracing members.
(2) the utility model is in Excavation Process, the earthwork in the middle part of leading excavation pit, formed vertically to or horizontal direction
To support, reduce the long side effect of foundation pit, then move back digging from middle part to both sides, form horizontal direction or vertically to support, finally excavates
Corner cubic metre of earth, diagonal brace of constructing, foundation pit ensure that the construction safety of foundation pit with digging with support.
(3) the utility model is during construction foundation pit is to support, leading location and installation cross Orthogonal Joint, it is ensured that it is fixed
Level is true, then lifts installation bracing members from centre to both sides, accurate to segmentation bracing members by moving interim mounting bracket
Positioning is connect by built-in fitting with purlin finally by the segmented head at both ends, and adding of reducing that it generates by installation error is curved
Square ensure that the reasonable stress of two-way steel support system.
(4) the two-way bracing members of the utility model are equipped with sync control device by the jack of both ends segmented head, can two
End is synchronous to apply prestressing force, and the synchronism of its prestress application is controlled by sync control device, if being more than early warning value, owns
Oil motor stops working immediately, and adjusts bracing members offset deviation by the numerical value that laser range finder transmits, and is controlling it
Within range.
Detailed description of the invention
Fig. 1 is the floor plan of the Bidirectional supporting system deformation monitoring compensation device of an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the Bidirectional supporting system deformation monitoring compensation device of an embodiment of the present invention.
In figure：
1- cruciform joint, 2- bracing members, 3- movable end, 4- purlin, 5- jack, 6- oil motor, 7- reception device, 8- method
Blue disk, 9- gag, 10- radio transmitting device, 11- sync control device, 12- built-in fitting.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes Bidirectional supporting system deformation monitoring compensate dress
It sets and is described in further detail.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It needs
Illustrate, attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, lucidly auxiliary is said
The purpose of bright the utility model embodiment.For sake of convenience, the upper and lower direction of "upper" described below, "lower" and attached drawing
Unanimously, but this limitation for can't be technical solutions of the utility model.
Embodiment one
The group of the Bidirectional supporting system deformation monitoring compensation device of the utility model is described in detail below with reference to Fig. 1 and Fig. 2
At.
As depicted in figs. 1 and 2, present embodiment discloses a kind of Bidirectional supporting system deformation monitoring compensation devices, including ten
Word connector 1, bracing members 2 and movable end 3,1 two sides of cruciform joint are successively symmetrical arranged bracing members 2 and movable end 3, bracing members 2
It is connected in sequence from beginning to end by several type steel support standard knots (not shown)；3 one end of movable end is fixedly connected with bracing members 2, living
The other end at network end 3 is connect by built-in fitting 12 with the purlin 4 of foundation pit；It further include sync control device 11, sync control device
11 are set on cruciform joint 1, and sync control device 11 can control the opening and closing of the jack oil motor 6 at movable end 3,
It is able to detect and controls bracing members and cruciform joint offset deviation.
It specifically, is guarantee overlength two-way steel support system additional torque within the scope of reasonable mechanical, the utility model
Bidirectional supporting system deformation monitoring compensation device, 2 both ends of bracing members are made of movable end 3, the knot at 1 both ends of cruciform joint
Structure is identical and arranged symmetrically, so as to guarantee application prestressing force synchronous in 2 two sides of bracing members, to reduce cruciform joint 1 thus
And the displacement error generated.The present embodiment provides can the prestressed Bidirectional supporting system deformation monitoring compensation dress of the synchronous application in both ends
It sets and meets the synchronous application prestressing force in its both ends with construction technology to eliminate torque to bracing members system construction bring and influence.The dress
Overlength two-way steel support system can be suitable for by, which setting, constructs.Moreover, guaranteeing steel branch to meet the force stability of deep big foundation pit
The stress safety of support body system, purlin 4 are concrete purlin or steel purlin.
Preferably, sync control device includes central synchronization control processor, laser range finder, reception device 7 and wireless
Transmitting device 10, reception device 7 receive ten during the application prestressing force that the laser range finder being set on cruciform joint 1 measures
Range deviation caused by word connector 1, and signal is fed back into central synchronization control processor, once range deviation is more than early warning
Value, central synchronization control processor close jack oil motor 6 by radio transmitting device 10 immediately.That is, setting exists
1 laser range finder measures 1 institute of cruciform joint during applying prestressing force by laser ranging reception device on cruciform joint
The range deviation of generation, and signal is fed back to and (is equipped with signal in laser range finder to receive to central synchronization control processor
Device), once any one end deviation is more than early warning value, central synchronization control processor is immediately controlled all by radio transmitting device
The oil motor of oil motor 6 stops working, then according to laser range finder transmission numerical value adjust bracing members offset deviation, make its
Within control range.
Particularly, in order to which precise positioning construction cruciform joint 1 and bracing members 2, cruciform joint 1 or two-way bracing members 2 are set
Be placed on lattice column bracket or moveable interim bracket on.
Moreover, the stability in order to guarantee entire bracing members system, cruciform joint 1 and bracing members 2 are fixed by ring flange 8
Connection.Similarly, movable end 3 is fixedly connected with bracing members 2 by ring flange 8.
Please continue to refer to Fig. 1 and Fig. 2, the present embodiment additionally provides aforementioned Bidirectional supporting system deformation monitoring compensation device
Construction method, the construction method include the following steps：
Step 1: from middle part to the both sides excavation pit earthwork, and sequentially form to support and diagonal brace：In foundation pit in digging process
In, the earthwork in the middle part of leading excavation pit forms middle part vertically to (or horizontal direction) to support, applies prestressing force, it is ensured that its to support by
Power reduces the long side effect of foundation pit；Then digging is moved back from centre to both sides, form foundation pit horizontal direction (or vertically to) to support, apply pre-
Stress；Last excavation pit corner cubic metre of earth, forms corner diagonal brace, and apply prestressing force, it is ensured that security of foundation ditch construction.
Step 2: location and installation cruciform joint, cruciform joint are set in lattice column bracket or interim mounting bracket first,
Then lifting type steel support standard knot forms bracing members, and 2 one end of bracing members is connected on cruciform joint 1, and the other end, which is held on, to be faced
When mounting bracket or lattice column bracket on, movable end 3 is finally installed, 3 one end of movable end is connected on bracing members 2, and the other end connects
It is connected on 12 bracket of built-in fitting, it is ensured that it is two-way to reduce bring due to construction error for every type steel support standard knot accurate positioning
Bracing members torque.
Step 3: after unidirectional all bracing members 2 install in place and confirmation it is errorless after, it is same at 2 both ends movable end 3 of bracing members
Step applies prestressing force, and the sync control device 11 at cruciform joint 1 monitors and controls the displacement of bracing members 2, to prestress application
After, gag 9, which fills up, to be welded.
Specifically, sync control device 11 is by central synchronization control processor, laser range finder and reception device 7, nothing
The composition such as line transmitting device 10, is arranged laser range finder on cruciform joint 1, is being applied by the measurement of laser ranging reception device
Range deviation caused by cruciform joint 1 during prestressing force, and signal is fed back to and gives central synchronization control processor, once
Any one end deviation is more than early warning value, and all oil motors are immediately controlled by radio transmitting device 10 in central synchronization control processor
6 oil motor stops working.
Step 4: the bracing members 2 of both direction orthogonal and in the same horizontal plane are connected by cruciform joint 1
Connect, in order to guarantee the force stability of bracing members system, when construction, the bracing members to a direction all after the installation is completed, then
The bracing members in another direction of construction and installation.
Particularly, step 3 includes that substep applies prestressing force, and jack 5 is put into movable end 3, starts oil motor 6, often
Secondary application precompression stops 5~10min to the 25% of design value, after bracing members compression rebound is stablized, continues to start oily horse
It reaches, successively applies, until it is made to meet design requirement.
The construction method sequentially forms first from middle part to the both sides excavation pit earthwork to support and diagonal brace；Wherein applying
When work is to support, cruciform joint in the middle part of leading location and installation, then to the work of both ends installation bracing members, remaining cruciform joint and both ends
Network end, finally in the synchronous application prestressing force of movable end.
In conclusion Bidirectional supporting system deformation monitoring compensation device provided by the embodiment of the utility model and the prior art
Compared to following advantage：
(1) the utility model can the synchronous prestressed two-way steel support system both ends that apply in both ends be made of movable end,
Can both ends are synchronous applies prestressing force, avoid traditional two-way steel support system one end and apply prestressing force and generate cross bidirectional joint
Displacement error reduces the additional bending moment generated in the construction process, it is ensured that the axially loaded of bracing members.
(2) the utility model is in Excavation Process, the earthwork in the middle part of leading excavation pit, formed vertically to or horizontal direction
To support, reduce the long side effect of foundation pit, then move back digging from middle part to both sides, form horizontal direction or vertically to support, finally excavates
Corner cubic metre of earth, diagonal brace of constructing, foundation pit ensure that the construction safety of foundation pit with digging with support.
(3) the utility model is during construction foundation pit is to support, leading location and installation cross Orthogonal Joint, it is ensured that it is fixed
Level is true, then lifts installation bracing members from centre to both sides, accurate to segmentation bracing members by moving interim mounting bracket
Positioning is connect by built-in fitting with purlin finally by the segmented head at both ends, and adding of reducing that it generates by installation error is curved
Square ensure that the reasonable stress of two-way steel support system.
(4) the two-way bracing members of the utility model are equipped with sync control device by the jack of both ends segmented head, can two
End is synchronous to apply prestressing force, and the synchronism of its prestress application is controlled by sync control device, if being more than early warning value, owns
Oil motor stops working immediately, and adjusts bracing members offset deviation by the numerical value that laser range finder transmits, and is controlling it
Within range.
(5) the utility model prestressing force is not less than four subsynchronous applications, stops 5~10min after applying every time, to steel branch
Support, which is pressurized after rebound is stablized, can start oil pump, ensure that the cruciform joint generated by the asynchronism of both ends prestress application
Displacement error avoids the additional bending moment of bracing members system generation.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (6)
1. a kind of Bidirectional supporting system deformation monitoring compensation device, which is characterized in that including cruciform joint, bracing members and active
End, the cruciform joint two sides are successively symmetrical arranged bracing members and movable end, and the bracing members are by several type steel support standard knots
Head and the tail are connected in sequence；Described movable end one end is fixedly connected with the bracing members, and the other end of the movable end passes through pre-
The connection of the purlin of embedded part and foundation pit；It further include sync control device, the sync control device is set on the cruciform joint,
The sync control device can control the opening and closing of the jack oil motor at movable end.
2. Bidirectional supporting system deformation monitoring compensation device as described in claim 1, which is characterized in that the synchronously control dress
It sets including central synchronization control processor, laser range finder, reception device and radio transmitting device, reception device reception is set to
Range deviation caused by the cruciform joint during the application prestressing force that laser range finder on cruciform joint measures, and will
Signal feeds back to the central synchronization control processor, once range deviation is more than early warning value, central synchronization control processor is logical
It crosses radio transmitting device and closes jack oil motor immediately.
3. Bidirectional supporting system deformation monitoring compensation device as described in claim 1, which is characterized in that the cruciform joint or
Bracing members be set on lattice column bracket or moveable interim bracket on.
4. Bidirectional supporting system deformation monitoring compensation device as described in claim 1, which is characterized in that the cruciform joint with
The bracing members are fixedly connected by ring flange.
5. Bidirectional supporting system deformation monitoring compensation device as described in claim 1, which is characterized in that the movable end and institute
Bracing members are stated to be fixedly connected by ring flange.
6. Bidirectional supporting system deformation monitoring compensation device as described in claim 1, which is characterized in that the purlin is coagulation
Fortifield village's purlin or steel purlin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820330940.0U CN208121780U (en) | 2018-03-12 | 2018-03-12 | A kind of Bidirectional supporting system deformation monitoring compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820330940.0U CN208121780U (en) | 2018-03-12 | 2018-03-12 | A kind of Bidirectional supporting system deformation monitoring compensation device |
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| Publication Number | Publication Date |
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| CN208121780U true CN208121780U (en) | 2018-11-20 |
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| CN201820330940.0U Active CN208121780U (en) | 2018-03-12 | 2018-03-12 | A kind of Bidirectional supporting system deformation monitoring compensation device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343070A (en) * | 2018-03-12 | 2018-07-31 | 上海建工建集团有限公司 | A kind of Bidirectional supporting system deformation monitoring compensation device and construction method |
| CN112343103A (en) * | 2020-11-06 | 2021-02-09 | 上海巨鲲科技有限公司 | Wireless monitoring system for assembled beam string steel support |
| CN114250788A (en) * | 2021-12-02 | 2022-03-29 | 江苏华东地质建设集团有限公司 | Assembly type square and rectangular tubular steel supporting beam system for foundation pit supporting |
| CN115217116A (en) * | 2022-07-22 | 2022-10-21 | 江苏索普工程科技有限公司 | Combined type section steel supporting and protecting piece and using method thereof |
| CN112343103B (en) * | 2020-11-06 | 2024-11-19 | 上海巨鲲科技有限公司 | Assembled string beam steel support wireless monitoring system |
-
2018
- 2018-03-12 CN CN201820330940.0U patent/CN208121780U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343070A (en) * | 2018-03-12 | 2018-07-31 | 上海建工建集团有限公司 | A kind of Bidirectional supporting system deformation monitoring compensation device and construction method |
| CN112343103A (en) * | 2020-11-06 | 2021-02-09 | 上海巨鲲科技有限公司 | Wireless monitoring system for assembled beam string steel support |
| CN112343103B (en) * | 2020-11-06 | 2024-11-19 | 上海巨鲲科技有限公司 | Assembled string beam steel support wireless monitoring system |
| CN114250788A (en) * | 2021-12-02 | 2022-03-29 | 江苏华东地质建设集团有限公司 | Assembly type square and rectangular tubular steel supporting beam system for foundation pit supporting |
| CN115217116A (en) * | 2022-07-22 | 2022-10-21 | 江苏索普工程科技有限公司 | Combined type section steel supporting and protecting piece and using method thereof |
| CN115217116B (en) * | 2022-07-22 | 2023-12-15 | 江苏索普工程科技有限公司 | Combined type steel support protection piece and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Yijian Construction Technology Consulting Co.,Ltd. Assignor: SHANGHAI CONSTRUCTION NO.1 (Group) Co.,Ltd. Contract record no.: X2021310000017 Denomination of utility model: A deformation monitoring and compensation device for bidirectional support system Granted publication date: 20181120 License type: Common License Record date: 20210407 |