CN110424402A - A kind of extension type guarantor's load prestressing apparatus for shaped steel combination support - Google Patents
A kind of extension type guarantor's load prestressing apparatus for shaped steel combination support Download PDFInfo
- Publication number
- CN110424402A CN110424402A CN201910589063.8A CN201910589063A CN110424402A CN 110424402 A CN110424402 A CN 110424402A CN 201910589063 A CN201910589063 A CN 201910589063A CN 110424402 A CN110424402 A CN 110424402A
- Authority
- CN
- China
- Prior art keywords
- shaped steel
- outer cylinder
- pedestal
- inner cylinder
- steel combination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
A kind of extension type guarantor's load prestressing apparatus for shaped steel combination support, comprising: pedestal has the outer support plane for being adjacent to fashioned iron, and pedestal is equipped with for the mounting hole affixed with fashioned iron；Inner cylinder has a first end and a second end, and wherein first end is fixed on the mounting surface of pedestal, and second end protrudes into outer cylinder, so that inner cylinder is slidably matched with outer cylinder；And outer cylinder, there is the axial passage being inserted into for inner cylinder second end, and outer cylinder is equipped with bolt hole far from the bottom of pedestal, for affixed connection can be supported with shaped steel combination.The beneficial effects of the present invention are: the device is relatively flexible, wide adaptability relative to the tradition fixed-size mode for protecting power box cushioning iron.
Description
Technical field
It is protected the present invention relates to a kind of extension type for shaped steel combination support and carries prestressing apparatus.
Background technique
With the quick development of China's urbanization, the exploitation dynamics of the underground space is increasing, as foundation pit is in depth
It is also higher to the foundation pit supporting construction requirement for belonging to temporary structure with the fast development on area, it is deep for cutting depth, across
Soil pressure can not be kept out with regard to cantilevered building enclosure by spending big foundation pit list, need to be arranged horizontally-supported.
By more shaped steel combinations at supporting together, all nodes are connected using high-strength bolt, are had for shaped steel combination support
The advantages such as assembling and disassembling is simple and fast, and short time limit, project cost are low, effect on environment is small, therefore the application of shaped steel combination support
Gradually increase.
Shaped steel combination support can apply prestressing force, need to lock prestressing force after having applied prestressing force, at present using guarantor
The mode of power box cushioning iron carries out prestressing force locking, but different size may need to be used in the case where applying different prestressed situations
Power box is protected, and also needs plug different model and quantity parallels, it is ensured that front and back splicing is tight, troublesome in poeration, locks to bracing members prestressing force
Surely it makes troubles.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of structures, and simple, the adaptable shaped steel combination that is used for supports
Extension type protect carry prestressing apparatus.
A kind of extension type for shaped steel combination support of the present invention, which is protected, carries prestressing apparatus, which is characterized in that
Include:
Pedestal has the outer support plane for being adjacent to fashioned iron, and pedestal is equipped with for the peace affixed with fashioned iron
Fill hole；
Inner cylinder has a first end and a second end, and wherein first end is fixed on the mounting surface of pedestal, and second end protrudes into outer cylinder
It is interior, so that inner cylinder is slidably matched with outer cylinder；
And outer cylinder, there is the axial passage being inserted into for inner cylinder second end, and outer cylinder is equipped with bolt far from the bottom of pedestal
Hole, for affixed connection can be supported with shaped steel combination.
The passage bottom of the outer cylinder is an inclined-plane.
The axial passage is a rectangular channel.
The end face of inner cylinder second end is a section that can agree with the bottom surface in outer cylinder channel, when so that inner cylinder being inserted into outer cylinder,
Section is adjacent to inclined-plane.
The axial passage size is greater than inner cylinder, move freely for it, and the axial passage, which is furnished with, can be inserted into it
Interior drift is used for the distance between firm banking and outer cylinder.
The outer cylinder and inner cylinder is cuboid, for splicing with type steel support.
The pedestal is equipped with multiple securing plates, and wherein an end margin of securing plate is fixed on pedestal, the securing plate
One edge inner tank theca is fixedly connected, for reinforcing fixed inner cylinder.
Specifically used mode of the invention is: setting up and finishes in shaped steel combination support, is answered in advance using hydraulic jack application
Guarantor's power device after reaching pre-stress design value, is put into suitable position by power, and outer cylinder has screw hole far from bottom plate side, can be with
Shaped steel combination support is connected using high-strength bolt, is unlikely to slide, pedestal is pulled open, until being close to other side bracing members, outer cylinder
Axial passage at squeeze into drift, until all devices install, jack release can be removed.
The beneficial effects of the present invention are: relative to the fixed-size mode for protecting power box cushioning iron of tradition, the device is opposite
Flexibly, wide adaptability.
Detailed description of the invention
Fig. 1 is overall structure front view of the present invention；
Fig. 2 is overall structure top view of the present invention；
Fig. 3 is understructure top view of the present invention；
Fig. 4 is understructure front view of the present invention；
Fig. 5 is outer tube structure front view of the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawing.
Referring to attached drawing:
A kind of extension type guarantor's load prestressing apparatus for shaped steel combination support of the present invention of embodiment 1, comprising:
Pedestal 4 has the outer support plane for being adjacent to fashioned iron, and pedestal is equipped with for the peace affixed with fashioned iron
Fill hole 41；
Inner cylinder 2, has a first end and a second end, and wherein first end is fixed on the mounting surface of pedestal, and second end protrudes into outer
In cylinder, so that inner cylinder is slidably matched with outer cylinder；
And outer cylinder 1, there is the axial passage 6 being inserted into for inner cylinder second end, and outer cylinder is equipped with spiral shell far from the bottom of pedestal
Keyhole 5, for affixed connection can be supported with shaped steel combination.
The axial passage bottom surface of the outer cylinder 1 is an inclined-plane.
The axial passage is a rectangular channel.
The end face of 2 second end of inner cylinder is a section that can agree with the bottom surface in outer cylinder channel, so that inner cylinder is inserted into outer cylinder 1
When, section is adjacent to inclined-plane.
6 size of axial passage is greater than inner cylinder, move freely for it, and the axial passage 6 is equipped with pluggable
Drift in it is used for the distance between firm banking and outer cylinder.
The outer cylinder 1 and inner cylinder 2 is cuboid, for splicing with type steel support.
The pedestal 4 is equipped with multiple securing plates 3, and wherein an end margin of securing plate 3 is fixed on pedestal, the reinforcing
3 one edge inner tank theca of plate is fixedly connected, for reinforcing fixed inner cylinder.
Pedestal 4 is a square floor, and inner tube installation is in the base at the heart.
Specifically used mode of the invention is: setting up and finishes in shaped steel combination support, is answered in advance using hydraulic jack application
Guarantor's power device after reaching pre-stress design value, is put into suitable position, outer cylinder has bolt hole far from bottom plate side, can by power
It is connect with shaped steel combination support using high-strength bolt, is unlikely to slide, pedestal is pulled open, until being close to other side bracing members, outside
Drift is squeezed at the axial passage of cylinder, until all devices install, jack release can be removed.
In 2 the present embodiment of embodiment: the outer cylinder is actively socketed on the free end of inner cylinder, and described 2 one end of inner cylinder is fixed on
Outer cylinder 1 is protruded into bottom plate 4, free end, the multiple securing plates 6 of installation at the bottom plate 4.
Described 1 one end of inner cylinder is fixed on the bottom plate 4, and 2 other end of inner cylinder protrudes into outer cylinder 1, described
2 end of inner cylinder can be closely adjacent to drift at an angle.
The bottom plate 4 is provided with bolt hole 5, can support with shaped steel combination and be connect by high-strength bolt.
Securing plate 3 is installed, an edge is fixed on bottom plate 4, an edge and the fixed company of 2 outer wall of inner cylinder at the bottom plate 4
It connects, is fixed to the reinforcement to inner cylinder 2.
The outer cylinder 1 is provided with axial passage 6, and 6 size of axial passage is greater than inner cylinder 2, move freely for it, institute
It can be inserted into drift, fixed the distance between bottom plate 4 and outer cylinder 1 at the axial passage 6 stated.
Pedestal, outer cylinder 1 and the inner cylinder 2 is cuboid form, convenient for being spliced with shaped steel combination support.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (7)
1. a kind of extension type for shaped steel combination support, which is protected, carries prestressing apparatus characterized by comprising
Pedestal has the outer support plane for being adjacent to fashioned iron, and pedestal is equipped with for the mounting hole affixed with fashioned iron；
Inner cylinder has a first end and a second end, and wherein first end is fixed on the mounting surface of pedestal, and second end protrudes into outer cylinder,
So that inner cylinder is slidably matched with outer cylinder；
And outer cylinder, there is the axial passage being inserted into for inner cylinder second end, and outer cylinder is equipped with bolt hole far from the bottom of pedestal, uses
Yu Keyu shaped steel combination supports affixed connection.
2. a kind of extension type for shaped steel combination support as described in claim 1, which is protected, carries prestressing apparatus, feature exists
In: the passage bottom of the outer cylinder is an inclined-plane.
3. a kind of extension type for shaped steel combination support as claimed in claim 2, which is protected, carries prestressing apparatus, feature exists
In: the axial passage is a rectangular channel.
4. a kind of extension type for shaped steel combination support as described in claim 1, which is protected, carries prestressing apparatus, feature exists
In: the end face of inner cylinder second end be a section that can agree with the bottom surface in outer cylinder channel, when so that inner cylinder being inserted into outer cylinder, section with
Inclined-plane is adjacent to.
5. a kind of extension type for shaped steel combination support as described in claim 1, which is protected, carries prestressing apparatus, feature exists
In: the axial passage size is greater than inner cylinder, move freely for it, and the axial passage is furnished with the wedge that can be inserted into it
Iron is used for the distance between firm banking and outer cylinder.
6. a kind of extension type for shaped steel combination support as claimed in claim 1 or 5, which is protected, carries prestressing apparatus, feature
Be: the outer cylinder and inner cylinder is cuboid, for splicing with type steel support.
7. a kind of extension type for shaped steel combination support as described in claim 1, which is protected, carries prestressing apparatus, feature exists
In: the pedestal is equipped with multiple securing plates, and wherein an end margin of securing plate is fixed on pedestal, one edge of securing plate
Inner tank theca is fixedly connected, for reinforcing fixed inner cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589063.8A CN110424402A (en) | 2019-07-02 | 2019-07-02 | A kind of extension type guarantor's load prestressing apparatus for shaped steel combination support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589063.8A CN110424402A (en) | 2019-07-02 | 2019-07-02 | A kind of extension type guarantor's load prestressing apparatus for shaped steel combination support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110424402A true CN110424402A (en) | 2019-11-08 |
Family
ID=68410043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910589063.8A Pending CN110424402A (en) | 2019-07-02 | 2019-07-02 | A kind of extension type guarantor's load prestressing apparatus for shaped steel combination support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110424402A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539107U (en) * | 2009-09-22 | 2010-08-04 | 北京市新发京建工贸有限公司 | Movable end of steel support |
| CN102409681A (en) * | 2011-08-02 | 2012-04-11 | 浙江华铁建筑安全科技股份有限公司 | Double top seat single-head movable end |
| KR20130003689A (en) * | 2011-06-30 | 2013-01-09 | 주식회사 포스코 | Length adjustable apparatus for steel pipe strut of retaining wall |
| CN203066997U (en) * | 2013-03-06 | 2013-07-17 | 天津市通顺盛钢管有限公司 | Steel support loose end |
| CN204940132U (en) * | 2015-09-16 | 2016-01-06 | 山东东泰工程咨询有限公司 | A kind of temporary support of convenient unloading |
| CN208121781U (en) * | 2018-03-30 | 2018-11-20 | 腾达建设集团股份有限公司 | A kind of segmented head for deep basal pit bracing members system |
-
2019
- 2019-07-02 CN CN201910589063.8A patent/CN110424402A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539107U (en) * | 2009-09-22 | 2010-08-04 | 北京市新发京建工贸有限公司 | Movable end of steel support |
| KR20130003689A (en) * | 2011-06-30 | 2013-01-09 | 주식회사 포스코 | Length adjustable apparatus for steel pipe strut of retaining wall |
| CN102409681A (en) * | 2011-08-02 | 2012-04-11 | 浙江华铁建筑安全科技股份有限公司 | Double top seat single-head movable end |
| CN203066997U (en) * | 2013-03-06 | 2013-07-17 | 天津市通顺盛钢管有限公司 | Steel support loose end |
| CN204940132U (en) * | 2015-09-16 | 2016-01-06 | 山东东泰工程咨询有限公司 | A kind of temporary support of convenient unloading |
| CN208121781U (en) * | 2018-03-30 | 2018-11-20 | 腾达建设集团股份有限公司 | A kind of segmented head for deep basal pit bracing members system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191108 |