CN108166537A - A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation and control method - Google Patents
A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation and control method Download PDFInfo
- Publication number
- CN108166537A CN108166537A CN201711379872.3A CN201711379872A CN108166537A CN 108166537 A CN108166537 A CN 108166537A CN 201711379872 A CN201711379872 A CN 201711379872A CN 108166537 A CN108166537 A CN 108166537A
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- Prior art keywords
- bearing
- axle power
- foundation pit
- brace
- regulation device
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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
- 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)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation and control methods, the device includes free bearing, axle power regulating mechanism and fixing end supporting steel, the axle power regulating mechanism includes being symmetrical set and being built-in with the anticlockwise bearing of cylindricality slot and right rotation bearing, connect the rotation handle of anticlockwise bearing and right rotation bearing, the terminal display for connecting the tension-compression sensor of anticlockwise bearing and free bearing and being electrically connected with tension-compression sensor；Right rotation bearing and the inner end of fixing end supporting steel are fixed, and it is respectively provided with a screw in the cylindricality slot of anticlockwise bearing and right rotation bearing, the cylinder of a pluggable respective side cylindricality slot is respectively provided in rotation handle both sides, and the interior wire hole being equipped with wire rod thread is equipped on cylinder, when rotation rotates handle, two screws 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 and control method.
Background technology
With being constantly progressive for social civilization level, large size city and megapolis continue to bring out, so as to accelerate
Urban track traffic and the development need of high-rise building, deep-foundation pit engineering is more and more, and the position between building is got over
Come nearer, the influence that engineering construction is brought is increasing, reaches 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, even cause catastrophic failure when serious, caused by economic loss and social influence right and wrong
It is often big.
Frequently with inner support mode, steel support structure is most for retaining wall malformation in order to control in existing foundation pit construction
Common form.The connector of bracing members is generally using 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 extension that the axle power of pre-add also can be at any time and decay, so as to affect to foundation pit
The control of malformation.
Invention content
The present invention seeks to：A kind of Brace in Deep Footing Groove axle power containing mechanical compensation and axle power detection function is provided mechanically to adjust
Device and its regulation and control 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
Axle power is added with, so as 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 inside foundation pit and encloses
In the steel purlin of protection structure, which includes the free bearing, the axis that are set in turn in from left to right on the horizontally-supported line of same
Power regulating mechanism, fixing end supporting steel, the free bearing are fixed in the steel purlin of foundation pit enclosure structure wherein 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 being symmetrical set and being built-in with anticlockwise bearing and the right rotation of cylindricality slot
Bearing connects the rotation handle of the anticlockwise bearing and the right rotation bearing, connects the anticlockwise bearing and the hinge
The tension-compression sensor of seat and the terminal display being electrically connected with the tension-compression sensor；The right rotation bearing 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 bearing and the right rotation bearing
Screw, while the cylinder of a pluggable respective side cylindricality slot is respectively provided with, and on the cylinder in the rotation handle both sides
Equipped with the interior wire hole being equipped with the wire rod thread, when rotation rotates handle, two screws are in its corresponding interior wire hole
Do extended or retracted movement simultaneously.
As preferred technical solution, which further includes on foundation pit enclosure structure and under steel purlin
The support bracket of side, and the free bearing is fixed on the support bracket.
As preferred technical solution, the screw thread in the interior wire hole and the screw is T-shaped screw thread.
As preferred technical solution, the tension-compression sensor is connect by cable with the terminal display.
The regulation and control method of the above-mentioned mechanical regulation device of Brace in Deep Footing Groove axle power, specifically includes following steps：
Step 1)：Ground by free bearing, tension-compression sensor, anticlockwise bearing, rotation handle, right rotation bearing, fixing end
Supporting steel is sequentially connected as axle power supportive body, while two screws are adjusted to the middle of stroke position of wire hole in its correspondence；
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 rotation handle, two screws do retraction movement, to rotation handle orientations movement, reduce
Axial force of the supports；When rotating counterclockwise rotation handle, two screws do stretching movement, are moved to foundation pit wall direction, increase support shaft
Then power is compared according to the real time data that terminal display is shown and 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.
As preferred technical solution, setting supports ox on foundation pit enclosure structure, below steel purlin in step 2)
Leg, and free bearing is fixed on the support bracket.
It is an advantage of the invention 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 rotate handle by rotation and reach setting value to drive two screws extended or retracted to adjust brace pre axial force, and
It also supports to be monitored axial force of the supports by terminal display and rotate rotation handle to be added with axle power, compensates for because of conventional belt
The bracing members of gad are plastically deformed and cause the situation of supporting deformation, so as to reach control foundation pit deformation, it is ensured that foundation pit construction is pacified
Full requirement, at the same it is simple in structure, and easy to operate, tool can greatly save cost.
Description of the drawings
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 structure diagram of the left and right rotary support of the present invention；
Fig. 3 is the structure diagram of present invention rotation handle；
Fig. 4 is the regulation device of the present invention in the installation front view in foundation pit；
Fig. 5 is the regulation device of the present invention in the installation vertical view in foundation pit；
Wherein：1 foundation pit enclosure structure, 2 steel purlins, 3 free bearings, 4 fixing end supporting steels, 5 anticlockwise bearings, 6 right rotation branch
Seat, 7 cylindricality slots, 8 rotation handles, 9 tension-compression sensors, 10 terminal displays, 11 screws, 12 cylinders, 13 support brackets, 14 electricity
Cable.
Specific embodiment
Embodiment：With reference to shown in Fig. 1-3, a kind of mechanical regulation device of Brace in Deep Footing Groove axle power is supported horizontally inside foundation pit
In the steel purlin 2 of building enclosure 1, including be set in turn in from left to right on the horizontally-supported line of same free bearing 3, axle power adjust
Mechanism, fixing end supporting steel 4, the free bearing 3 are fixed in the steel purlin 2 of the wherein side of foundation pit enclosure structure 1, fixing end supporting steel
4 outboard ends are fixed in the steel purlin 2 of 1 another opposite side of foundation pit enclosure structure.
The axle power regulating mechanism of the present invention includes 5 and of anticlockwise bearing for being symmetrical set and being built-in with cylindricality slot 7
The rotation handle 8 of right rotation bearing 6, connection anticlockwise bearing 5 and right rotation bearing 6, connection anticlockwise bearing 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 bearing 6 is with fixing
The inner end of end supporting steel 4 is fixed, and a screw 11 is respectively provided in the cylindricality slot of anticlockwise bearing 5 and right rotation bearing 6,
The cylinder 12 of a pluggable respective side cylindricality slot 7 is respectively provided in 8 both sides of rotation handle simultaneously, and is equipped with and silk on cylinder 12
The interior wire hole of 11 thread fitting of bar setting, when rotation rotates handle 8, two screws 11 are done simultaneously in its corresponding interior wire hole to be stretched
Go out or be retracted movement.
The invention also includes on foundation pit enclosure structure 1 and positioned at the support bracket 13 of the lower section of steel purlin 2, and free bearing 3
It is fixed on support bracket 13, and the screw thread in interior wire hole and screw 11 is T-shaped screw thread, the thread form angle of T-shaped screw thread is
30 °, convenient for being driven the fastening with large scale part.
The regulation and control method of the above-mentioned mechanical regulation device of Brace in Deep Footing Groove axle power, specifically includes following steps：
Step 1)：On ground by free bearing 3, tension-compression sensor 9, anticlockwise bearing 5, rotation handle 8, right rotation bearing 6, solid
Fixed end supporting steel 4 is sequentially connected as axle power supportive body, while two screws 11 are adjusted to the middle of stroke position of wire hole in its correspondence
It puts, ensures 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
Bracket 13 is supported, and free bearing 3 is positioned on the support bracket 13 in structure 1, positioned at the 2 lower section setting of steel purlin；
Step 3)：When rotating clockwise rotation handle 8, two screws 11 do retraction movement, are moved to 8 direction of rotation handle,
Reduce axial force of the supports；When rotating counterclockwise rotation handle 8, two screws 11 do stretching movement, are moved to foundation pit wall direction, increased
Axial force of the supports, the real time data then shown according to terminal display 10 are compared with setting value, are 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, with reference to shown in Fig. 4 and Fig. 5, so as 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 axis of the invention that can be not only shown in construction according to terminal display
Force data rotates handle by rotation and reaches setting value to drive two screws extended or retracted to adjust brace pre axial force, but also
Support is monitored axial force of the supports by terminal display and rotates rotation handle to be added with axle power, compensates for because of traditional strip
The bracing members of wedge are plastically deformed and cause the situation of supporting deformation, so as to reach control foundation pit deformation, it is ensured that security of foundation ditch construction
Requirement, while simple in structure, 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 can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (6)
1. a kind of mechanical regulation device of Brace in Deep Footing Groove axle power is supported horizontally inside the steel purlin (2) of foundation pit enclosure structure (1)
On, which is characterized in that the regulation device includes the free bearing (3), the axis that are set in turn in from left to right on the horizontally-supported line of same
Power regulating mechanism, fixing end supporting steel (4), the free bearing (3) are fixed on the steel purlin of foundation pit enclosure structure (1) wherein side
(2) on, fixing end supporting steel (4) outboard end is fixed in the steel purlin (2) of foundation pit enclosure structure (1) another opposite side；
The axle power regulating mechanism includes being symmetrical set and being built-in with anticlockwise bearing (5) and the dextrorotation of cylindricality slot (7)
Turn bearing (6), connect the rotation handle (8) of the anticlockwise bearing (5) and the right rotation bearing (6), connection is described left-handed
The terminal for turning the tension-compression sensor (9) of bearing (5) and the free bearing (3) and being electrically connected with the tension-compression sensor (9) is shown
Device (10)；The inner end of the right rotation bearing (6) and the fixing end supporting steel (4) is fixed, and in the anticlockwise bearing
(5) and in the cylindricality slot of the right rotation bearing (6) (7) screw (11) is respectively provided with, while in the rotation handle (8) two
Side is respectively provided with the cylinder (12) of a pluggable respective side cylindricality slot (7), and is equipped with and the screw on the cylinder (12)
(11) thread fitting setting interior wire hole, when rotation rotate handle (8) when, two screws (11) in its corresponding interior wire hole simultaneously
Do extended or retracted movement.
2. the mechanical regulation device of Brace in Deep Footing Groove axle power according to claim 1, which is characterized in that the regulation device is also
Including the support bracket (13) being set on foundation pit enclosure structure (1) and below steel purlin (2), and the free bearing (3) is fixed
In on the support bracket (13).
3. the mechanical regulation device of Brace in Deep Footing Groove axle power according to claim 1, which is characterized in that the interior wire hole and
Screw thread on the screw (11) is T-shaped screw thread.
4. the mechanical regulation device of Brace in Deep Footing Groove axle power according to claim 1, which is characterized in that the tension and compression sensing
Device (9) is connect by cable (14) with the terminal display (10).
5. a kind of regulation and control method of such as mechanical regulation device of claim 1-4 any one of them Brace in Deep Footing Groove axle powers,
It is characterized in that, specifically includes following steps：
Step 1)：Ground by free bearing (3), tension-compression sensor (9), anticlockwise bearing (5), rotation handle (8), right rotation bearing
(6), fixing end supporting steel (4) is sequentially connected as axle power supportive body, while two screws (11) are adjusted to wire hole in its correspondence
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), the outboard end of free bearing (3) and the purlin (2) on foundation pit enclosure structure (1) are mutually fixed；
Step 3)：When rotating clockwise rotation handle (8), two screws (11) do retraction movement, are moved to rotation handle (8) direction
It is dynamic, reduce axial force of the supports；When rotating counterclockwise rotation handle (8), two screws (11) do stretching movement, are moved to foundation pit wall direction
It is dynamic, increase axial force of the supports, the real time data then shown according to terminal display (10) is compared 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.
6. the regulation and control method of the mechanical regulation device of Brace in Deep Footing Groove axle power according to claim 5, which is characterized in that step
It is rapid 2) on foundation pit enclosure structure (1), below the steel purlin (2) setting support bracket (13), and free bearing (3) is fixed on
On the support bracket (13).
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 true CN108166537A (en) | 2018-06-15 |
| CN108166537B 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951658A (en) * | 2018-08-24 | 2018-12-07 | 重庆建工第八建设有限责任公司 | A kind of deep basal pit fashioned iron support system based on active control |
| CN109610467A (en) * | 2018-11-09 | 2019-04-12 | 广州宏途设备工程有限公司 | A kind of novel segmented head of bracing members |
| CN110820761A (en) * | 2019-11-26 | 2020-02-21 | 郑州工业应用技术学院 | Foundation ditch supporting device for civil engineering |
| CN112302062A (en) * | 2020-10-09 | 2021-02-02 | 河海大学 | Assembly type high-precision steel support shaft force meter erection protection device and implementation method thereof |
| CN114687357A (en) * | 2022-04-13 | 2022-07-01 | 上海建工集团股份有限公司 | Spiral regulating and controlling device for supporting axial force of deep foundation pit |
| CN114718084A (en) * | 2022-04-13 | 2022-07-08 | 上海建工集团股份有限公司 | Deep foundation pit supporting axial force spiral adjusting and controlling method |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951658A (en) * | 2018-08-24 | 2018-12-07 | 重庆建工第八建设有限责任公司 | A kind of deep basal pit fashioned iron support system based on active control |
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| CN112302062A (en) * | 2020-10-09 | 2021-02-02 | 河海大学 | Assembly type high-precision steel support shaft force meter erection protection device and implementation method thereof |
| CN114687357A (en) * | 2022-04-13 | 2022-07-01 | 上海建工集团股份有限公司 | Spiral regulating and controlling device for supporting axial force of deep foundation pit |
| CN114718084A (en) * | 2022-04-13 | 2022-07-08 | 上海建工集团股份有限公司 | Deep foundation pit supporting axial force spiral adjusting and controlling method |
| 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 |
| 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 |
| 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 |
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|---|---|
| CN108166537B (en) | 2019-04-02 |
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