CN106555404B - Foundation pit fashioned iron inner support axle power self compensating system - Google Patents
Foundation pit fashioned iron inner support axle power self compensating system Download PDFInfo
- Publication number
- CN106555404B CN106555404B CN201610918257.4A CN201610918257A CN106555404B CN 106555404 B CN106555404 B CN 106555404B CN 201610918257 A CN201610918257 A CN 201610918257A CN 106555404 B CN106555404 B CN 106555404B
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- China
- Prior art keywords
- inserted sheet
- axle power
- support member
- stress
- compensation
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Abstract
The invention discloses a kind of foundation pit fashioned iron inner support axle power self compensating systems, it is desirable to provide one kind can compensate the self compensating system of the axle power of fashioned iron inner support beam automatically, in time.It includes axle power pressure-applying unit and axle power compensation device.Axle power pressure-applying unit includes can mutual distracted first support member and the second support member and the limited block being arranged between the first support member and the second support member.Stress holder is equipped between limited block and the first support member.Axle power compensation device includes that stubborn bolt device, the hydraulic jack being arranged between the first support member and the second support member and the inserted sheet blanking compensation device being arranged in above axle power pressure-applying unit, the inserted sheet blanking compensation device include cabinet, the turntable being rotatably arranged in cabinet by horizontal shaft, several pneumatic gripping fingers being arranged on turntable and the insert mechanism being arranged in cabinet automatically.One piece of stress compensation inserted sheet is clamped in each pneumatic gripping finger.
Description
Technical field
The present invention relates to foundation pit fashioned iron inner supports, and in particular to a kind of foundation pit fashioned iron inner support axle power self compensating system.
Background technique
In order to guarantee the safety of underground structure and foundation pit surrounding environment, need foundation pit side-wall and around apply support plus
Gu etc. safeguard procedures.Current foundation pit support system generallys use fashioned iron inner support beam as the horizontally-supported of foundation pit.Foundation pit exists
In digging process, need to carry out axle power monitoring for fashioned iron inner support beam.
Current axle power monitoring is to take to install axle power detection stressor (for example, axle power meter) in fashioned iron inner support beam,
After fashioned iron inner support beam receives the active earth pressure on the outside of foundation pit, the axle power that axle power detection stressor will test becomes
Change, be transported on detection device and after treatment, axle power changing value and the corresponding curve of drafting is obtained, for construction technical staff
Judge deep pit monitor whether in controlled range.If the actual measurement axle power of foundation pit shows deficiency, need further to increase in fashioned iron
The axle power of supporting beam then needs manually to go to scene, by placing jack pressurization, axle power is applied to get on, then fixes it.
The axle power compensation work of fashioned iron inner support beam at present needs to use manually after receiving the instruction for needing to compensate
Manually-operated method, is compensated by jack；This is unable to get the axle power of fashioned iron inner support beam timely to compensate,
Cause engineering risk that will bring very big influence especially in the neighbouring structures construction deep basal pit such as subway.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings in the prior art and to provide one kind to compensate automatically, in time
The axle power of fashioned iron inner support beam effectively solves timely to compensate because the axle power of fashioned iron inner support beam is unable to get in the prior art,
And the foundation pit fashioned iron inner support axle power self compensating system for the problem of causing engineering risk.
The technical scheme is that
A kind of foundation pit fashioned iron inner support axle power self compensating system includes axle power pressure-applying unit and axle power compensation device, described
Axle power pressure-applying unit include can mutually distracted first support member and the second support member and setting the first support member with
Limited block between second support member is equipped with stress holder, stress between the limited block and the first support member
Holder keeps inserted sheet to constitute by stress；The axle power compensation device includes for detecting the first support member and the second support portion
It the distance measuring sensor of spacing between part, the hydraulic jack being arranged between the first support member and the second support member and sets
The inserted sheet blanking compensation device above axle power pressure-applying unit is set, the inserted sheet blanking compensation device includes cabinet, passes through level
Turntable, several pneumatic gripping fingers being arranged on turntable and the plug-in sheet machine being arranged in cabinet that shaft is rotatably arranged in cabinet
Structure, the pneumatic gripping finger is circumferentially uniformly distributed around horizontal shaft, and one piece of stress compensation inserted sheet, the inserted sheet are clamped in each pneumatic gripping finger
Mechanism include be arranged in the vertical guide sleeve of compensation inserted sheet immediately below turntable, setting compensation the vertical guide sleeve of inserted sheet right above and can
Vertical compensation inserted sheet pressing plate in the insertion compensation vertical guide sleeve of inserted sheet and the lifting for going up and down vertical compensation inserted sheet pressing plate down
The lower port of cylinder, the compensation vertical guide sleeve of inserted sheet is located at the surface of stress holder.
The foundation pit fashioned iron inner support axle power self compensating system of this programme can compensate fashioned iron inner support beam automatically, in time
Axle power effectively solves timely to compensate because the axle power of fashioned iron inner support beam is unable to get in the prior art, and causes engineering risk
The problem of.
Preferably, be connected between limited block, stress holder and the first support member by the first connection bolt,
The axle power compensation device further includes twisting bolt device automatically, and stubborn bolt device includes the bolt being arranged on limited block automatically
Head positioning plate and with first connect bolt correspondingly twist bolt executing agency, the bolt head positioning plate equipped with and first
The corresponding bolt head location hole of bolt head of bolt is connected, the bolt head of the first connection bolt is located at the positioning of corresponding bolt head
In hole, the stubborn bolt executing agency includes the ut socket and be arranged first that the nut cooperation connecting on bolt with first is answered
The sleeve rotating motor of rotating nuts sleeve is used in support member, the nut on the first connection bolt to be located at corresponding spiral shell
In mother sleeve.
This programme is bolted limited block, stress holder and the first support member by the first connection, and is arranged certainly
Dynamic stubborn bolt device, while can guaranteeing the sound construction of axle power pressure-applying unit by the first connection bolt in this way, stablize；Make
Axle power compensation device can smoothly work, automatic, compensation fashioned iron inner support beam in time axle power.
Preferably, stress compensation inserted sheet is equipped with the first connection bolt escape port.
Preferably, the telescopic direction of horizontal shaft and hydraulic jack is perpendicular, the stress compensation inserted sheet and level
Shaft is parallel, and stress compensation inserted sheet radially extending along horizontal shaft.
Preferably, stress keeps inserted sheet to be vertically arranged, stress keeps the upper end of inserted sheet to be equipped with thickness from bottom to top gradually
Reduced stress inserted sheet guide part.The stress inserted sheet guide part of this programme structure is conducive to stress compensation inserted sheet insertion stress and keeps
Between inserted sheet.
Preferably, the stress compensation inserted sheet side opposite with pneumatic gripping finger be equipped with thickness from the middle part of stress compensation inserted sheet toward
The stress compensation inserted sheet guide part that edge direction is gradually reduced.The stress compensation inserted sheet guide part of this programme structure is conducive to stress
Inserted sheet insertion stress is compensated to keep between inserted sheet.
Preferably, the upper port of the compensation vertical guide sleeve of inserted sheet is equipped with the targeting port that cross section is gradually reduced from top to bottom.
Preferably, the first support member is made of with the second support member fashioned iron.
Preferably, it is metal material that stress, which keeps the material of inserted sheet,.
Preferably, the material of stress compensation inserted sheet is metal material.
The beneficial effects of the present invention are: the axle power of fashioned iron inner support beam can be compensated automatically, in time, existing skill is effectively solved
The problem of timely being compensated in art because the axle power of fashioned iron inner support beam is unable to get, and causing engineering risk.
Detailed description of the invention
Fig. 1 is a kind of structure of foundation pit fashioned iron inner support axle power self compensating system of the invention in actual application
Schematic diagram.
Fig. 2 is the schematic diagram of the section structure in Fig. 1 at A-A.
Fig. 3 is the partial enlarged view in Fig. 2 at D.
Fig. 4 is a kind of structural schematic diagram of stress compensation inserted sheet of the invention.
Fig. 5 is the partial enlarged view in Fig. 1 at B.
Fig. 6 is C in Fig. 1 to partial view.
Fig. 7 is the partial enlarged view in Fig. 6 at E.
In figure: the first support member 1, stress holder 2, stress keep inserted sheet 21, stress inserted sheet guide part 211, limit
Block 3, the second support member 4, inserted sheet blanking compensation device 5, horizontal shaft 52, turntable 53, pneumatic gripping finger 54, are answered at cabinet 51
Force compensating inserted sheet 55, first connect bolt escape port 551, stress compensation inserted sheet guide part 552, the vertical guide sleeve 56 of compensation inserted sheet,
Vertical compensation inserted sheet pressing plate 57, lifting cylinder 58, fashioned iron inner support beam 6, foundation pit purlin 7 twist bolt executing agency 8, nut set
Cylinder 81, sleeve rotating motor 82, bolt head positioning plate 9, hydraulic jack 10, distance measuring sensor 11, the first connection bolt 12 connect
Head ontology 13, inlet suction port 14, exhaust joint 15.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1 and Figure 2, a kind of foundation pit fashioned iron inner support axle power self compensating system includes axle power pressure-applying unit, axle power
Detect stressor (for example, axle power meter) and axle power compensation device.Axle power pressure-applying unit includes can mutual distracted first support portion
Part 1 and the second support member 4 and the limited block 3 being arranged between the first support member and the second support member.First support
Component is made of with the second support member fashioned iron, and first support member and the second support member of the present embodiment are by H profile steel structure
At, and the both ends for constituting the H profile steel of the first support member and the second support member are equipped with head plate.First support member and the
Two support members are parallel to each other.The limited block of the present embodiment is three, length direction of the limited block along the first support member
It is equally spaced.Limited block is also made of H profile steel, and the both ends for constituting the H profile steel of limited block also are provided with head plate.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, stress holder 2 is equipped between limited block and the first support member,
Each limited block of the present embodiment and the first support member it is equal between be equipped with stress holder.Stress holder should be tried hard to keep by several
Hold the composition of inserted sheet 21.It is metal material that stress, which keeps the material of inserted sheet,.Stress keeps inserted sheet to be vertically arranged.Stress keeps inserted sheet
Upper end is equipped with the stress inserted sheet guide part 211 that thickness is gradually reduced from bottom to top.Limited block, stress holder and the first support
It is connected between component by the first connection bolt 12.First connection bolt passes through stress and keeps inserted sheet.Limited block and second
Support member is connected by the second connection bolt.
Axle power compensation device includes twisting bolt device automatically, for detecting between the first support member and the second support member
Spacing distance measuring sensor 11, the hydraulic jack 10 that is arranged between the first support member and the second support member and setting
Inserted sheet blanking compensation device 5 above axle power pressure-applying unit.The distance measuring sensor of the present embodiment is arranged in the second support member
On.
Automatically stubborn bolt device includes the bolt head positioning plate 9 being arranged on limited block and connect bolt one by one with first
Corresponding stubborn bolt executing agency 8.Bolt head positioning plate is equipped with bolt head corresponding with the first connection bolt head of bolt
Location hole.The bolt head of first connection bolt is located at corresponding bolt head positioning hole.Twisting bolt executing agency includes and first
The ut socket 81 and the set that rotating nuts sleeve is used in the first support member is set that nut cooperation on connection bolt is answered
Cylinder rotating electric machine 82.Nut on first connection bolt is located in corresponding ut socket.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the inserted sheet blanking compensation device of the present embodiment is three, is inserted
Piece blanking compensation device and limited block correspond.Inserted sheet blanking compensation device includes cabinet 51, by 52 turns of horizontal shaft
The dynamic turntable 53 being arranged in cabinet, several is arranged on turntable the turntable rotating electric machine for rotating horizontal shaft rotation
Pneumatic gripping finger 54 and the insert mechanism being arranged in cabinet.The telescopic direction of horizontal shaft and hydraulic jack is perpendicular.Pneumatically
Gripping finger is circumferentially uniformly distributed around horizontal shaft.Turntable is equipped with rotary joint.Rotary joint includes the joint body being arranged on turntable
13, be arranged on joint body lateral surface and be connected with the inner cavity of joint body air inlet axis hole, be rotatably provided in air inlet
Inlet suction port 14 in axis hole and the exhaust joint 15 being arranged on joint body.Air inlet axis hole and horizontal shaft are coaxially disposed.
External steam line is connected with inlet suction port.Exhaust joint is connected by admission line with the air inlet of pneumatic gripping finger.
One piece of stress compensation inserted sheet 55 is clamped in each pneumatic gripping finger.The material of stress compensation inserted sheet is metal material.Stress
It is parallel with horizontal shaft to compensate inserted sheet, and stress compensation inserted sheet radially extending along horizontal shaft.It is set on stress compensation inserted sheet
There is the first connection bolt escape port 551.The stress compensation inserted sheet side opposite with pneumatic gripping finger is equipped with thickness and is inserted by stress compensation
The stress compensation inserted sheet guide part 552 being gradually reduced in the middle part of piece toward edge direction.Stress compensation inserted sheet in each pneumatic gripping finger
Thickness distribution is in the section between 5 millimeters to 50 millimeters, wherein some stress compensation inserted sheet with a thickness of 5-10 millimeters,
Some stress compensation inserted sheet with a thickness of 10-20 millimeters, some stress compensation inserted sheet with a thickness of 20-30 millimeters,
Some stress compensation inserted sheet with a thickness of 30-40 millimeters, some stress compensation inserted sheet with a thickness of 40-50 millimeters.
Insert mechanism include the vertical guide sleeve 56 of compensation inserted sheet immediately below turntable is set, setting is led vertically in compensation inserted sheet
Vertical compensation inserted sheet pressing plate 57 right above covering and the lifting cylinder 58 for going up and down vertical compensation inserted sheet pressing plate.Vertical compensation is inserted
Piece can be inserted into down in the compensation vertical guide sleeve of inserted sheet.Compensate the vertical guide sleeve of inserted sheet upper port be equipped with cross section from top to bottom by
Decrescence small targeting port.The lower port of the compensation vertical guide sleeve of inserted sheet is located at the surface of corresponding stress holder.Compensate inserted sheet
Vertical spacing between the lower end and the first support member of vertical guide sleeve is less than 15 centimetres.
The specific works of the foundation pit fashioned iron inner support axle power self compensating system of the present embodiment are as follows:
As shown in Figure 1, axle power pressure-applying unit is mounted between fashioned iron inner support beam 6 and foundation pit purlin 7, fashioned iron inner support
Beam is connected with the first support member, and the second support member is connected with foundation pit purlin.By axle power detection stressor (for example, axis
Power meter) it is mounted in fashioned iron inner support beam, the axle power for detecting fashioned iron inner support beam changes.
During foundation pit construction, when the axle power deficiency of axle power detection stressor actual measurement detection fashioned iron inner support beam, then
Axle power compensation device starts and works as follows:
First, the starting of bolt executing agency is twisted, sleeve rotating motor unscrews the first connection bolt by ut socket；
Second, the first support member and the second support member are opened, are increased in fashioned iron by hydraulic jack starting, load
The axle power of supporting beam；After the axle power of axle power detection stressor actual measurement detection fashioned iron inner support beam is up to standard, hydraulic jack stops
Load；
Third loads forward and backward first support member and the second support portion according to the hydraulic jack that distance measuring sensor measures
Spacing between part, so that obtaining hydraulic jack loads spacing between forward and backward first support member and the second support member
Difference size；Inserted sheet blanking compensation device meets the stress compensation inserted sheet of size requirement according to difference selection, by turning
The rotating motor that spirals rotates turntable, make to meet size requirement stress compensation inserted sheet be located at the compensation vertical guide sleeve of inserted sheet just on
Side；
Then, corresponding pneumatic gripping finger discharges the stress compensation inserted sheet, so that the stress compensation inserted sheet is fallen into compensation inserted sheet perpendicular
In straight guide sleeve, and the stress of the stress compensation inserted sheet guide part insertion stress holder of the stress compensation inserted sheet keep inserted sheet it
Between；
Followed by lifting cylinder drives vertical compensation inserted sheet pressing plate to move down and protrudes into the compensation vertical guide sleeve of inserted sheet, will answer
Force compensating inserted sheet is pressed into stress and keeps between inserted sheet；Then lifting cylinder drives vertical compensation inserted sheet pressing plate to move up reset；
4th, the starting of bolt executing agency is twisted, sleeve rotating motor tightens the first connection bolt by ut socket；
5th, hydraulic jack unloading effectively solves to realize automatic, compensation fashioned iron inner support beam in time axle power
The problem of timely being compensated because the axle power of fashioned iron inner support beam is unable to get in the prior art, and causing engineering risk.
Claims (9)
1. a kind of foundation pit fashioned iron inner support axle power self compensating system, characterized in that compensated including axle power pressure-applying unit and axle power
Device, the axle power pressure-applying unit include mutually distracted first support member and the second support member and being arranged at first
Limited block between support part part and the second support member is equipped with stress and keeps between the limited block and the first support member
Part, stress holder keep inserted sheet to constitute by stress；
The axle power compensation device includes passing for detecting the ranging of the spacing between the first support member and the second support member
Sensor, the hydraulic jack being arranged between the first support member and the second support member and setting are above axle power pressure-applying unit
Inserted sheet blanking compensation device, the inserted sheet blanking compensation device includes cabinet, is rotatably arranged in cabinet by horizontal shaft
Turntable, several pneumatic gripping fingers being arranged on turntable and the insert mechanism being arranged in cabinet, the pneumatic gripping finger is around level
Shaft is circumferentially uniformly distributed, and one piece of stress compensation inserted sheet is clamped in each pneumatic gripping finger, the insert mechanism include setting turntable just
The vertical guide sleeve of compensation inserted sheet of lower section, setting are right above the compensation vertical guide sleeve of inserted sheet and can be inserted into that compensate inserted sheet vertical down
Vertical compensation inserted sheet pressing plate in guide sleeve and the lifting cylinder for going up and down vertical compensation inserted sheet pressing plate, the compensation inserted sheet are vertical
The lower port of guide sleeve is located at the surface of stress holder；
The material of the stress compensation inserted sheet is metal material.
2. foundation pit fashioned iron inner support axle power self compensating system according to claim 1, characterized in that the limiting block
It is connected between block, stress holder and the first support member by the first connection bolt, the axle power compensation device further includes
Automatically stubborn bolt device, stubborn bolt device includes the bolt head positioning plate being arranged on limited block and connect spiral shell with first automatically
Bolt twists bolt executing agency correspondingly, and the bolt head positioning plate is equipped with corresponding with the first connection bolt head of bolt
Bolt head location hole, the bolt head of the first connection bolt is located at corresponding bolt head positioning hole, the stubborn bolt execution machine
Structure includes the ut socket for the nut cooperation connecting on bolt with first and is arranged in the first support member for rotating nuts
The sleeve rotating motor of sleeve, the described first nut connected on bolt are located in corresponding ut socket.
3. foundation pit fashioned iron inner support axle power self compensating system according to claim 2, characterized in that the stress compensation
Inserted sheet is equipped with the first connection bolt escape port.
4. foundation pit fashioned iron inner support axle power self compensating system according to claim 1 or 2 or 3, characterized in that the water
The telescopic direction of flat shaft and hydraulic jack is perpendicular, and the stress compensation inserted sheet is parallel with horizontal shaft, and stress is mended
Repay inserted sheet radially extending along horizontal shaft.
5. foundation pit fashioned iron inner support axle power self compensating system according to claim 1 or 2 or 3, characterized in that described to answer
Power keeps inserted sheet to be vertically arranged, and stress keeps the upper end of inserted sheet to be equipped with the stress inserted sheet guiding that thickness is gradually reduced from bottom to top
Portion.
6. foundation pit fashioned iron inner support axle power self compensating system according to claim 1 or 2 or 3, characterized in that with it is pneumatic
The opposite stress compensation inserted sheet side of gripping finger is equipped with the stress that thickness is gradually reduced from stress compensation inserted sheet middle part toward edge direction
Compensate inserted sheet guide part.
7. foundation pit fashioned iron inner support axle power self compensating system according to claim 1 or 2 or 3, characterized in that the benefit
The upper port for repaying the vertical guide sleeve of inserted sheet is equipped with the targeting port that cross section is gradually reduced from top to bottom.
8. foundation pit fashioned iron inner support axle power self compensating system according to claim 1 or 2 or 3, characterized in that described
One support member is made of with the second support member fashioned iron.
9. foundation pit fashioned iron inner support axle power self compensating system according to claim 1 or 2 or 3, characterized in that described to answer
It is metal material that power, which keeps the material of inserted sheet,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918257.4A CN106555404B (en) | 2016-10-21 | 2016-10-21 | Foundation pit fashioned iron inner support axle power self compensating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918257.4A CN106555404B (en) | 2016-10-21 | 2016-10-21 | Foundation pit fashioned iron inner support axle power self compensating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106555404A CN106555404A (en) | 2017-04-05 |
| CN106555404B true CN106555404B (en) | 2018-12-21 |
Family
ID=58443873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610918257.4A Active CN106555404B (en) | 2016-10-21 | 2016-10-21 | Foundation pit fashioned iron inner support axle power self compensating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106555404B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188342B (en) * | 2019-10-17 | 2021-05-28 | 浙江省建筑设计研究院 | Double-surrounding purlin concrete inner support system with deformation compensation device |
| CN111173036B (en) * | 2019-10-17 | 2021-05-28 | 浙江省建筑设计研究院 | Deformation control method and device for horizontal beam plate supporting structure of reverse foundation pit |
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| CN105926634A (en) * | 2016-04-22 | 2016-09-07 | 东通岩土科技（杭州）有限公司 | Pressurizing external member supported by section steel combination |
| CN206128084U (en) * | 2016-10-21 | 2017-04-26 | 东通岩土科技（杭州）有限公司 | Back shaft power automatic compensating device in foundation ditch shaped steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08260463A (en) * | 1995-03-24 | 1996-10-08 | Toda Constr Co Ltd | Strut system and method of strut type sheathing construction |
| CN2359331Y (en) * | 1999-02-03 | 2000-01-19 | 上海高仕新技术工程咨询合作公司 | Steel repported added prestressed device |
| CN101294389A (en) * | 2008-02-22 | 2008-10-29 | 中建国际建设有限公司 | Steel shotcrete support internal force self-compensation, displacement control system and control method |
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| CN106555404A (en) | 2017-04-05 |
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Address after: 310000 Room 1101, 6 Blocks, Chuangzhi Green Valley Development Center, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: Dongtong Geotechnical Technology Co., Ltd. Address before: 310000 East Hangzhou Building, 59 Chengxing Road, Jianggan District, Hangzhou City, Zhejiang Province, 27th Floor Patentee before: Dongtong Geotechnical Technology (Hangzhou) Co., Ltd. |
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