CN108166537B - A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation method - Google Patents
A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation method Download PDFInfo
- Publication number
- CN108166537B CN108166537B CN201711379872.3A CN201711379872A CN108166537B CN 108166537 B CN108166537 B CN 108166537B CN 201711379872 A CN201711379872 A CN 201711379872A CN 108166537 B CN108166537 B CN 108166537B
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- support
- axle power
- rotating handle
- foundation pit
- brace
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation methods, the device includes free bearing, axle power regulating mechanism and fixing end supporting steel, the axle power regulating mechanism includes the anticlockwise support and right rotation support for being symmetrical set and being built-in with cylindricality slot, connect the rotating handle of anticlockwise support and right rotation support, connect the tension-compression sensor of anticlockwise support and free bearing, and the terminal display being electrically connected with tension-compression sensor；Right rotation support and the inner end of fixing end supporting steel are fixed, and a screw rod is respectively provided in the cylindricality slot of anticlockwise support and right rotation support, the cylinder of a pluggable respective side cylindricality slot is respectively provided in rotating handle two sides, and the interior wire hole being equipped with wire rod thread is equipped on cylinder, when rotating rotating handle, two screw rods do extended or retracted movement simultaneously in its corresponding interior wire hole；It the advantage is that and axle power is monitored and be added with to axial force of the supports, control foundation pit deformation, it is ensured that security of foundation ditch construction.
Description
Technical field
The invention belongs to civil engineering foundation pit construction technical fields, mechanical more particularly, to a kind of Brace in Deep Footing Groove axle power
Regulation device and its regulation method.
Background technique
With being constantly progressive for social civilization level, large size city and megapolis are continued to bring out, to accelerate
The development need of urban track traffic and super high-rise building, deep-foundation pit engineering is more and more, and the position between building is got over
Come it is closer, engineering construction bring influence it is increasing, reach the condition of " lead one and start whole body ".Deep foundation pit construction first has to examine
Consider the safety problem of foundation pit, deep foundation pit construction is along with extremely strong environmental effect, if deformation of deep excavation cannot be coped with effectively
Control, easily influence its normal use, when serious even cause catastrophic failure, caused by economic loss and social influence right and wrong
It is often big.
It is control retaining wall malformation in existing foundation pit construction frequently with inner support mode, steel support structure is most
Common form.The connector of bracing members generally uses segmented head, with being inserted into gad after jack brace pre axial force.Gad in use
Can be plastically deformed under axle power effect, the axle power of pre-add also can extension at any time and decay, to affect to foundation pit
The control of malformation.
Summary of the invention
Object of the present invention is to: a kind of Brace in Deep Footing Groove axle power containing mechanical compensation and axle power detection function is provided and is mechanically adjusted
Device and its regulation method are controlled, brace pre axial force can not only be reached to setting value, but also supports to be monitored simultaneously axial force of the supports
It is added with axle power, to reach control foundation pit deformation, it is ensured that the requirement of security of foundation ditch construction.
The technical scheme is that a kind of mechanical regulation device of Brace in Deep Footing Groove axle power, is supported horizontally on foundation pit and encloses
In the steel purlin of protection structure, which includes the free bearing being set in turn on the horizontally-supported line of same from left to right, axis
Power regulating mechanism, fixing end supporting steel, the free bearing are fixed on foundation pit enclosure structure wherein in the steel purlin of side, the fixation
End supporting steel outboard end is fixed in the steel purlin of another opposite side of foundation pit enclosure structure；
The axle power regulating mechanism includes anticlockwise support and the right rotation for being symmetrical set and being built-in with cylindricality slot
Support connects the rotating handle of the anticlockwise support and the right rotation support, connects the anticlockwise support and the hinge
The tension-compression sensor of seat, and the terminal display being electrically connected with the tension-compression sensor；The right rotation support with it is described solid
The inner end of fixed end supporting steel is fixed, and is respectively provided with one in the cylindricality slot of the anticlockwise support and the right rotation support
Screw rod, while it being respectively provided with the cylinder of a pluggable respective side cylindricality slot in the rotating handle two sides, and on the cylinder
Equipped with the interior wire hole being equipped with the wire rod thread, when rotating rotating handle, two screw rods are in its corresponding interior wire hole
Extended or retracted movement is done simultaneously.
The regulation device further includes being set on foundation pit enclosure structure and being located under steel purlin as a preferred technical solution,
The support bracket of side, and the free bearing is fixed on the support bracket.
The screw thread in the interior wire hole and the screw rod is T-type screw thread as a preferred technical solution,.
The tension-compression sensor is connect by cable with the terminal display as a preferred technical solution,.
The regulation method of the above-mentioned mechanical regulation device of Brace in Deep Footing Groove axle power, specifically includes the following steps:
Step 1): on ground by free bearing, tension-compression sensor, anticlockwise support, rotating handle, right rotation support, fixing end
Supporting steel is sequentially connected as axle power supportive body, at the same two screw rods be adjusted to its correspond in wire hole middle of stroke position；
Step 2): when the pre- Support Position of excavation of foundation pit arrival axle power, axle power supportive body is hung to the position and will be consolidated
Fixed end supporting steel, free bearing outboard end and the purlin on foundation pit enclosure structure mutually fix；
Step 3): when rotating clockwise rotating handle, two screw rods do retraction movement, mobile to rotating handle direction, reduce
Axial force of the supports；When rotating counterclockwise rotating handle, two screw rods do stretch out motion, mobile to foundation pit wall direction, increase support shaft
Then power is compared according to the real time data that terminal display is shown with setting value, until axle power is adjusted to set interval；
Step 4): step 1), step 2) and step 3) are repeated, the Brace in Deep Footing Groove is installed in other axle powers pre- Support Position
The mechanical regulation device of axle power.
Setting supports ox on foundation pit enclosure structure, below steel purlin in step 2) as a preferred technical solution,
Leg, and free bearing is fixed on the support bracket.
The invention has the advantages that
1. relative to the bracing members of conventional belt gad, what the present invention can not only be shown in construction according to terminal display
Axle power data drive two screw rods extended or retracted by rotation rotating handle to adjust brace pre axial force and reach setting value, and
It also supports to be monitored axial force of the supports by terminal display and rotate rotating handle to be added with axle power, compensate for because of conventional belt
The case where bracing members of gad are plastically deformed and cause supporting deformation, to reach control foundation pit deformation, it is ensured that foundation pit construction peace
Full requirement, while structure is simple, easy to operate, tool can greatly save cost.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the left and right rotary support of the present invention；
Fig. 3 is the structural schematic diagram of rotating handle of the present invention；
Fig. 4 is regulation device of the invention in the installation main view in foundation pit；
Fig. 5 is regulation device of the invention in the installation top view in foundation pit；
Wherein: 1 foundation pit enclosure structure, 2 steel purlins, 3 free bearings, 4 fixing end supporting steels, 5 anticlockwise supports, 6 right rotation branch
Seat, 7 cylindricality slots, 8 rotating handles, 9 tension-compression sensors, 10 terminal displays, 11 screw rods, 12 cylinders, 13 support brackets, 14 electricity
Cable.
Specific embodiment
Embodiment: referring to Fig.1 shown in -3, a kind of mechanical regulation device of Brace in Deep Footing Groove axle power is supported horizontally on foundation pit
In the steel purlin 2 of building enclosure 1, including be set in turn on the horizontally-supported line of same from left to right free bearing 3, axle power adjust
Mechanism, fixing end supporting steel 4, the free bearing 3 are fixed on foundation pit enclosure structure 1 wherein in the steel purlin 2 of side, fixing end supporting steel
4 outboard ends are fixed in the steel purlin 2 of another opposite side of foundation pit enclosure structure 1.
Axle power regulating mechanism of the invention includes 5 and of anticlockwise support for being symmetrical set and being built-in with cylindricality slot 7
Right rotation support 6, the rotating handle 8 of connection anticlockwise support 5 and right rotation support 6, connection anticlockwise support 5 and free bearing 3
Tension-compression sensor 9, and the terminal display 10 being electrically connected by cable 14 with tension-compression sensor 9；Right rotation support 6 and fixation
The inner end of end supporting steel 4 is fixed, and a screw rod 11 is respectively provided in the cylindricality slot of anticlockwise support 5 and right rotation support 6,
It is respectively provided with the cylinder 12 of a pluggable respective side cylindricality slot 7 in 8 two sides of rotating handle simultaneously, and is equipped with and silk on cylinder 12
Bar 11 is threadedly engaged the interior wire hole of setting, and when rotating rotating handle 8, two screw rods 11 are done simultaneously in its corresponding interior wire hole to be stretched
Out or retraction moves.
The invention also includes be set to the support bracket 13 on foundation pit enclosure structure 1 and being located at below steel purlin 2, and free bearing 3
It is fixed on support bracket 13, and the screw thread in interior wire hole and screw rod 11 is T-type screw thread, the thread form angle of T-type screw thread is
30 °, convenient for being driven the fastening with large scale part.
The regulation method of the above-mentioned mechanical regulation device of Brace in Deep Footing Groove axle power, specifically includes the following steps:
Step 1): on ground by free bearing 3, tension-compression sensor 9, anticlockwise support 5, rotating handle 8, right rotation support 6, solid
Fixed end supporting steel 4 is sequentially connected as axle power supportive body, at the same two screw rods 11 be adjusted to its correspond in wire hole middle of stroke position
It sets, guarantees that whole axle power supportive body length and foundation pit both walls interplanar distance are substantially equivalent, and movable end is made to have certain work
Space, in order to load or unload in work progress；
Step 2): when the pre- Support Position of excavation of foundation pit arrival axle power, axle power supportive body is hung to the position with crane
And fixing end supporting steel 4, the outboard end of free bearing 3 and 2 phase of purlin on foundation pit enclosure structure 1 are fixed, and in foundation pit enclosure
In structure 1, it is located at setting support bracket 13 below steel purlin 2, and free bearing 3 is positioned on the support bracket 13；
Step 3): when rotating clockwise rotating handle 8, two screw rods 11 do retraction movement, mobile to 8 direction of rotating handle,
Reduce axial force of the supports；When rotating counterclockwise rotating handle 8, two screw rods 11 do stretch out motion, mobile to foundation pit wall direction, increase
Then axial force of the supports is compared with setting value according to the real time data that terminal display 10 is shown, is adjusted to until by axle power
Set interval；
Step 4): step 1), step 2) and step 3) are repeated, the Brace in Deep Footing Groove is installed in other axle powers pre- Support Position
The mechanical regulation device of axle power, referring to shown in Fig. 4 and Fig. 5, to reach control foundation pit deformation, it is ensured that security of foundation ditch construction is wanted
It asks.
Relative to the bracing members of conventional belt gad, the present invention not only axis that can be shown according to terminal display in construction
Force data drives two screw rods extended or retracted by rotation rotating handle to adjust brace pre axial force and reach setting value, but also
Support is monitored axial force of the supports by terminal display and rotates rotating handle to be added with axle power, compensates for because of traditional strip
The case where bracing members of wedge are plastically deformed and cause supporting deformation, to reach control foundation pit deformation, it is ensured that security of foundation ditch construction
Requirement, while structure is simple, and easy to operate, tool can greatly save cost.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (4)
1. a kind of regulation method of the mechanical regulation device of Brace in Deep Footing Groove axle power, which is characterized in that the Brace in Deep Footing Groove axis
The mechanical regulation device of power is supported horizontally in the steel purlin (2) of foundation pit enclosure structure (1), which includes from left-hand
The right side is set in turn in free bearing (3), axle power regulating mechanism, fixing end supporting steel (4) on the horizontally-supported line of same, the free bearing
(3) foundation pit enclosure structure (1) is fixed on wherein in the steel purlin (2) of side, and fixing end supporting steel (4) outboard end is fixed on
In the steel purlin (2) of foundation pit enclosure structure (1) another opposite side；The axle power regulating mechanism includes being symmetrical set, being simultaneously interior
It is equipped with the anticlockwise support (5) and right rotation support (6) of cylindricality slot (7), connects the anticlockwise support (5) and the dextrorotation
The rotating handle (8) for turning support (6) connects the tension-compression sensor (9) of the anticlockwise support (5) and the free bearing (3), and
The terminal display (10) being electrically connected with the tension-compression sensor (9)；The right rotation support (6) and the fixing end supporting steel
(4) inner end is fixed, and is respectively provided in the cylindricality slot (7) of the anticlockwise support (5) and the right rotation support (6)
One screw rod (11), while the cylinder of a pluggable respective side cylindricality slot (7) is respectively provided in the rotating handle (8) two sides
(12), the interior wire hole that setting is threadedly engaged with the screw rod (11) and is equipped on the cylinder (12), when rotation rotating handle
(8) when, two screw rods (11) do extended or retracted movement simultaneously in its corresponding interior wire hole；The regulation method specifically include with
Lower step:
Step 1): on ground by free bearing (3), tension-compression sensor (9), anticlockwise support (5), rotating handle (8), right rotation support
(6), fixing end supporting steel (4) is sequentially connected as axle power supportive body, at the same two screw rods (11) be adjusted to its correspond in wire hole
Middle of stroke position；
Step 2): when excavation of foundation pit reaches the pre- Support Position of axle power, axle power supportive body is hung to the position and by fixing end
Supporting steel (4), free bearing (3) outboard end and the purlin (2) on foundation pit enclosure structure (1) mutually fix；
Step 3): when rotating clockwise rotating handle (8), two screw rods (11) do retraction movement, move to rotating handle (8) direction
It is dynamic, reduce axial force of the supports；When rotating counterclockwise rotating handle (8), two screw rods (11) do stretch out motion, move to foundation pit wall direction
It is dynamic, increase axial force of the supports, be then compared according to the real time data that terminal display (10) are shown with setting value, until by axis
Power is adjusted to set interval；
Step 4): step 1), step 2) and step 3) are repeated, the Brace in Deep Footing Groove axle power is installed in other axle powers pre- Support Position
Mechanical regulation device.
2. the regulation method of the mechanical regulation device of Brace in Deep Footing Groove axle power according to claim 1, which is characterized in that step
It is rapid 2) on foundation pit enclosure structure (1), be located at setting support bracket (13) below steel purlin (2), and free bearing (3) is fixed on
On the support bracket (13).
3. the regulation method of the mechanical regulation device of Brace in Deep Footing Groove axle power according to claim 1, which is characterized in that institute
Stating the screw thread in interior wire hole and the screw rod (11) is T-type screw thread.
4. the regulation method of the mechanical regulation device of Brace in Deep Footing Groove axle power according to claim 1, which is characterized in that institute
Tension-compression sensor (9) are stated to connect by cable (14) with the terminal display (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379872.3A CN108166537B (en) | 2017-12-20 | 2017-12-20 | A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379872.3A CN108166537B (en) | 2017-12-20 | 2017-12-20 | A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation method |
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| Publication Number | Publication Date |
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| CN108166537A CN108166537A (en) | 2018-06-15 |
| CN108166537B true CN108166537B (en) | 2019-04-02 |
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| CN201711379872.3A Active CN108166537B (en) | 2017-12-20 | 2017-12-20 | A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951658B (en) * | 2018-08-24 | 2023-11-24 | 重庆建工第八建设有限责任公司 | Deep foundation pit section steel supporting system based on active control |
| CN109610467B (en) * | 2018-11-09 | 2024-02-02 | 广州宏途设备工程有限公司 | Steel support movable head |
| CN110820761B (en) * | 2019-11-26 | 2021-01-26 | 郑州工业应用技术学院 | Foundation ditch supporting device for civil engineering |
| CN112302062B (en) * | 2020-10-09 | 2022-04-29 | 河海大学 | Assembly type high-precision steel support shaft force meter erection protection device and implementation method thereof |
| CN114718084B (en) * | 2022-04-13 | 2023-08-22 | 上海建工集团股份有限公司 | Spiral regulation and control method for supporting axial force of deep foundation pit |
| CN114687357B (en) * | 2022-04-13 | 2023-08-22 | 上海建工集团股份有限公司 | Deep foundation pit supporting axial force spiral regulation and control device |
| CN114941329A (en) * | 2022-05-31 | 2022-08-26 | 中国建筑土木建设有限公司 | Steel support structure for dynamically adjusting length of deep foundation pit and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200992707Y (en) * | 2006-12-30 | 2007-12-19 | 上海市第二建筑有限公司 | Screw type prestressing device |
| CN101463606A (en) * | 2007-12-19 | 2009-06-24 | 上海隧道工程股份有限公司 | Foundation pit controllable hydraulic steel support and use thereof |
| CN102102366A (en) * | 2011-01-17 | 2011-06-22 | 中建市政建设有限公司 | Adjustable device for pre-applying axial force of steel support and using method thereof |
| CN201908310U (en) * | 2011-01-17 | 2011-07-27 | 中建市政建设有限公司 | Adjustable axial force pre-applying device for steel support |
| CN202730777U (en) * | 2012-08-22 | 2013-02-13 | 福建工程学院 | Adjustable axial force pre-applying device for steel support |
| CN107476314A (en) * | 2017-08-22 | 2017-12-15 | 中建八局第三建设有限公司 | A kind of deep basal pit bed course adds axle power construction method |
-
2017
- 2017-12-20 CN CN201711379872.3A patent/CN108166537B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200992707Y (en) * | 2006-12-30 | 2007-12-19 | 上海市第二建筑有限公司 | Screw type prestressing device |
| CN101463606A (en) * | 2007-12-19 | 2009-06-24 | 上海隧道工程股份有限公司 | Foundation pit controllable hydraulic steel support and use thereof |
| CN102102366A (en) * | 2011-01-17 | 2011-06-22 | 中建市政建设有限公司 | Adjustable device for pre-applying axial force of steel support and using method thereof |
| CN201908310U (en) * | 2011-01-17 | 2011-07-27 | 中建市政建设有限公司 | Adjustable axial force pre-applying device for steel support |
| CN202730777U (en) * | 2012-08-22 | 2013-02-13 | 福建工程学院 | Adjustable axial force pre-applying device for steel support |
| CN107476314A (en) * | 2017-08-22 | 2017-12-15 | 中建八局第三建设有限公司 | A kind of deep basal pit bed course adds axle power construction method |
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| CN108166537A (en) | 2018-06-15 |
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