CN105604067A - Snap ring type flanging connecting device for foundation pit assembly type internal bracings - Google Patents
Snap ring type flanging connecting device for foundation pit assembly type internal bracings Download PDFInfo
- Publication number
- CN105604067A CN105604067A CN201610028802.2A CN201610028802A CN105604067A CN 105604067 A CN105604067 A CN 105604067A CN 201610028802 A CN201610028802 A CN 201610028802A CN 105604067 A CN105604067 A CN 105604067A
- Authority
- CN
- China
- Prior art keywords
- flange
- groove
- snap ring
- type clamping
- clamping plate
- 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.)
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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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)
- Clamps And Clips (AREA)
Abstract
The invention relates to a snap ring type flanging connecting device for foundation pit assembly type internal bracings and belongs to the technical field of foundation pit internal bracing type supports. The device is located at the connecting portion between two foundation pit internal bracing components and is a steel structure assembly composed of two groove flanges, two snap ring type clamping plates and fasteners; one surface of one groove flange is fixed to the end of the corresponding bracing component, the other surface of the groove flange is closely attached to the surface of the other groove flange in an abutting mode, the two groove flanges are buckled through the snap ring type clamping plates, the two snap ring type clamping plates are locked through the fasteners to prevent the snap ring type clamping plates from getting loose outwards and falling off, and therefore the device forms a stable whole. According to the device, there is no need or a little need for bolt fastening operation, the splicing speed of a foundation pit assembly type internal bracing structure is increased, and foundation pit deformation caused by insufficient supports during erection of the internal bracings is reduced; the bending moment at the connecting point acts on the groove flanges and the snap ring type clamping plates to generate shear force, the shear surface is continuous and large in area without stress concentration, and the structure is reasonable and reliable.
Description
Technical field
The present invention relates to a kind of clamp ring flange jockey for foundation ditch assembled inner support, particularly a kind of solid and reliable,Dismounting is inner bracing member type of attachment easily, belongs to foundation ditch inner bearing type support technology field.
Background technology
Inner bearing type supporting construction is the conventional support form of the one of pattern foundation pit supporting structure, mainly comprises steel pipe support, type steel support, coagulationThe types such as soil support and concrete filled steel tube support. Under the theory of low-carbon environment-friendly, green construction is guided, steel supports, prefabricated coagulationThe assembled supporting constructions such as soil support and concrete filled steel tube support, are subject to the favor of foundation pit supporting project further. In assembledSupporting construction, the connected node between member is the key position that affects structural system dependable with function, the structure of attaching partsAffect the performance of whole support system with stress form, installation form determines the operability of support system dismounting. At present, along withIncreasing of super dark, super large base pit engineering, in inner bearing type foundation pit supporting project to supporting and the performance requirement of supporting member connected nodeProgressively improve, for ensureing the safe and reliable of member junction, conventional flange, the bolt number that bolt type of attachment need to arrangeMore, bolt position difficult arrangement on flanged plate, the dismounting of the structure length that expends time in.
Foundation ditch inner support belongs to press-bending long rod structure. For the connected mode of flange, bolt between inner bracing member, connected node placeThe pulling force that moment of flexure produces is carried by bolt completely, and the area of section of single bolt is less, and reaching high-bearing capacity needs bolt number many;Force localization between bolt and flange in bolt hole and around compared with zonule, easily produce stress concentrate.
The present invention's (for clamp ring flange jockey of foundation ditch assembled inner support) can be foundation ditch inner bearing type support engineering to be providedA kind of safer, supporting member jockey easily.
Summary of the invention
In order to overcome the deficiency that supports assembling technique in existing inner bearing type foundation pit supporting project, the invention provides a kind of for foundation ditchThe clamp ring flange jockey of assembled inner support, can effectively solve the reliability and the convenience that between foundation ditch inner bracing member, connectProblem.
The technical solution adopted in the present invention is:
For a clamp ring flange jockey for foundation ditch assembled inner support, this device is positioned at two foundation ditch inner bracing membersConnecting portion, the steel structure assembly being formed by groove flange (1), snap ring-type clamping plate (2) and securing member (3); Described slopeMouth flange (1) is connected by snap ring-type clamping plate (2), and it is circumferential that securing member (3) is arranged on snap ring-type clamping plate (2); Snap ring-type methodThe cross sectional shape of blue jockey depends on the supporting section shape in foundation ditch, and this supporting section comprises square-section inner bracing memberJockey or circular cross-section inner bracing member jockey etc.
There is the edge of a wing of local crowning the end of described groove flange (1), and edge of a wing sectional dimension is excessive to central smoothing by edge, the wingThe thickness of edge outward flange (5) is less than edge of a wing inward flange (6) thickness, forms band transition on the surface, outer of groove flange (1)The groove of angle.
The cross section of described snap ring-type clamping plate (2) is groove-shaped, and groove inner side edge (7) is respective angles with groove base (8),And equal the angle of groove flange (1) groove; Groove base (8) length is slightly less than groove flange (1) edge of a wing outward flange (5)The twice of size; Gash depth (9) is slightly less than the height on the groove flange edge of a wing.
Described securing member (3) comprises Rigid Fastener and two kinds of forms of elastic fastener; Wherein, Rigid Fastener adopts bolt groupPart; Elastic fastener comprises top (11), spring (12), hook (13) and hanging ring (14), the cross section chi of top (11)Very little bolt hole (10) size that is greater than snap ring-type clamping plate (2), the cross section of spring (12), hook (13) and hanging ring (14)Size is less than bolt hole (10) size of snap ring-type clamping plate (2); Securing member (3) is can be between two snap ring-type clamping plate (2)The parts that produce subtend pulling force, its concrete form is not limited to this.
Between the contact-making surface of described groove flange (1) and snap ring-type clamping plate (2), be lined with the flexible gaskets such as rubber blanket.
Beneficial effect
Compared with prior art, the invention has the beneficial effects as follows:
1) the clamp ring flange jockey that the present invention proposes, to adopting the device of Rigid Fastener, only needs fastening 2～4 spiral shellsBolt, for the device that adopts elastic fastener, without the terminal operation of bolt, only needs stretch-draw and the hook of spring;
2) the clamp ring flange jockey that the present invention proposes has been accelerated the assembled speed of foundation ditch assembled inner supporting structure, in savingThat supports sets up the time, has reduced the foundation pit deformation that during inner support is set up, supporting deficiency causes.
3) the clamp ring flange jockey that the present invention proposes, the Moment at connected node place is at groove flange and snap ring-type clamping plateUpper generation shearing, shear surface is continuous, and area is large, unstressed concentrating, structure is more rationally reliable.
Brief description of the drawings
The assembling pre-structure of Fig. 1 .1 circular cross-section inner support clamp ring flange jockey form 1;
Structure after the assembling of Fig. 1 .2 circular cross-section inner support clamp ring flange jockey form 1;
The assembling pre-structure of Fig. 2 .1 circular cross-section inner support clamp ring flange jockey form 2;
Structure after the assembling of Fig. 2 .2 circular cross-section inner support clamp ring flange jockey form 2;
The assembling pre-structure of Fig. 3 .1 square-section inner support clamp ring flange jockey form 1;
Structure after the assembling of Fig. 3 .2 square-section inner support clamp ring flange jockey form 1;
The assembling pre-structure of Fig. 4 .1 square-section inner support clamp ring flange jockey form 2;
Structure after the assembling of Fig. 4 .2 square-section inner support clamp ring flange jockey form 2;
Fig. 5, groove flange cross-sectional view;
Fig. 6, snap ring-type clamping plate cross-sectional view;
Fig. 7, Rigid Fastener;
Fig. 8, elastic fastener;
Fig. 9, the blessing effect signal of snap ring-type clamping plate to groove flange;
In figure: 1-groove flange; 2-snap ring-type clamping plate; 3-securing member; 4-supporting member end; 5-edge of a wing outward flange; The 6-edge of a wingInward flange; 7-groove inner side edge; 8-groove base; 9-gash depth; 10-bolt hole; 11-top; 12-spring; 13-hook;14-hanging ring.
Detailed description of the invention
The action principle of installation steps of the present invention and inter-module is as follows:
First, a face of groove flange (1) is fixed on to supporting member end (4), another face and another groove flange(1) closely connected the holding out against in surface.
Then, on groove flange (1), bind round upper a slice rubber blanket, avoid groove flange (1) to contact with snap ring-type clamping plate (2)Stress on face is concentrated, and prevents from contacting by rigidity the surface abrasion causing.
Then, with snap ring-type clamping plate (2), two groove flanges (1) are fastened along hoop. The bevel angle of groove flange (1)Equate with snap ring-type clamping plate groove interior angle, the two closely connected on contact-making surface, extruding, thus produce fastening, the effect of blessing.
Finally, penetrated the bolt hole (10) of snap ring-type clamping plate (2) by securing member (3), to drawing and locked snap ring-type clamping plate (2),Stop snap ring-type clamping plate (2) outwards loosening, come off, ensure the firm of whole device. Securing member (3) is to snap ring-type clamping plate (2)Fastening force (15) can increase snap ring-type clamping plate (2) groove medial surfaces (7) and groove flange (1) between normal pressure, reachThe fastening force F that securing member (3) applies is larger, connects effect more closely between member.
Claims (5)
1. for a clamp ring flange jockey for foundation ditch assembled inner support, it is characterized in that: this device is positioned at two basesThe connecting portion of hole inner bracing member, the steel being formed by groove flange (1), snap ring-type clamping plate (2) and securing member (3) knotStructure assembly; Described groove flange (1) is connected by snap ring-type clamping plate (2), and securing member (3) is arranged on snap ring-type clamping plate (2)Circumferentially; The cross sectional shape of clamp ring flange jockey depends on the supporting section shape in foundation ditch, and this supporting section comprises rectangleCross section inner bracing member jockey or circular cross-section inner bracing member jockey.
2. a kind of clamp ring flange jockey for foundation ditch assembled inner support according to claim 1, its feature existsIn: there is the edge of a wing of local crowning the end of described groove flange (1), and edge of a wing sectional dimension is excessive to central smoothing by edge, the wingThe thickness of edge outward flange (5) is less than edge of a wing inward flange (6) thickness, forms band transition on the surface, outer of groove flange (1)The groove of angle.
3. a kind of clamp ring flange jockey for foundation ditch assembled inner support according to claim 1, its feature existsIn: the cross section of described snap ring-type clamping plate (2) is groove-shaped, and groove inner side edge (7) is respective angles with groove base (8),And equal the angle of groove flange (1) groove; Groove base (8) length is slightly less than groove flange (1) edge of a wing outward flange (5)The twice of size; Gash depth (9) is slightly less than the height on the groove flange edge of a wing.
4. a kind of clamp ring flange jockey for foundation ditch assembled inner support according to claim 1, its feature existsIn: described securing member (3) comprises Rigid Fastener and two kinds of forms of elastic fastener; Wherein, Rigid Fastener adopts bolt groupPart; Elastic fastener comprises top (11), spring (12), hook (13) and hanging ring (14), the cross section chi of top (11)Very little bolt hole (10) size that is greater than snap ring-type clamping plate (2), the cross section of spring (12), hook (13) and hanging ring (14)Size is less than bolt hole (10) size of snap ring-type clamping plate (2); Securing member (3) is can be between two snap ring-type clamping plate (2)Produce the parts of subtend pulling force.
5. a kind of clamp ring flange jockey for foundation ditch assembled inner support according to claim 1, its feature existsIn: between the contact-making surface of described groove flange (1) and snap ring-type clamping plate (2), be lined with rubber blanket flexible gaskets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028802.2A CN105604067B (en) | 2016-01-15 | 2016-01-15 | A kind of clamp ring flange attachment device for foundation pit assembled inner support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028802.2A CN105604067B (en) | 2016-01-15 | 2016-01-15 | A kind of clamp ring flange attachment device for foundation pit assembled inner support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105604067A true CN105604067A (en) | 2016-05-25 |
| CN105604067B CN105604067B (en) | 2018-08-28 |
Family
ID=55984374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610028802.2A Expired - Fee Related CN105604067B (en) | 2016-01-15 | 2016-01-15 | A kind of clamp ring flange attachment device for foundation pit assembled inner support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105604067B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962786A (en) * | 2021-02-07 | 2021-06-15 | 西安理工大学 | Eccentric support-steel beam combined energy dissipation frame and assembling method thereof |
| CN114482621A (en) * | 2022-01-17 | 2022-05-13 | 天元建设集团有限公司 | Steel support quick connecting joint for jacking and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104483A (en) * | 1985-06-10 | 1987-01-21 | 胡梁发 | Multiple supports flexible prefabricated laminated aluminium foil frames and application |
| JPH08333743A (en) * | 1995-06-06 | 1996-12-17 | Kojima Seisakusho:Kk | Joint structure of pile body |
| CN2695483Y (en) * | 2004-04-22 | 2005-04-27 | 王耀 | Groove type fast connecting joint for tubular pile |
| KR20050110776A (en) * | 2004-05-19 | 2005-11-24 | 주식회사 스마텍엔지니어링 | Coupling structure of supporting beam |
| CN201924353U (en) * | 2010-12-23 | 2011-08-10 | 福建永强岩土工程有限公司 | Large diameter pile pipe coupling |
| CN102966098A (en) * | 2012-10-25 | 2013-03-13 | 国鼎(南通)管桩有限公司 | Fast joint for tubular piles |
-
2016
- 2016-01-15 CN CN201610028802.2A patent/CN105604067B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104483A (en) * | 1985-06-10 | 1987-01-21 | 胡梁发 | Multiple supports flexible prefabricated laminated aluminium foil frames and application |
| JPH08333743A (en) * | 1995-06-06 | 1996-12-17 | Kojima Seisakusho:Kk | Joint structure of pile body |
| CN2695483Y (en) * | 2004-04-22 | 2005-04-27 | 王耀 | Groove type fast connecting joint for tubular pile |
| KR20050110776A (en) * | 2004-05-19 | 2005-11-24 | 주식회사 스마텍엔지니어링 | Coupling structure of supporting beam |
| CN201924353U (en) * | 2010-12-23 | 2011-08-10 | 福建永强岩土工程有限公司 | Large diameter pile pipe coupling |
| CN102966098A (en) * | 2012-10-25 | 2013-03-13 | 国鼎(南通)管桩有限公司 | Fast joint for tubular piles |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962786A (en) * | 2021-02-07 | 2021-06-15 | 西安理工大学 | Eccentric support-steel beam combined energy dissipation frame and assembling method thereof |
| CN114482621A (en) * | 2022-01-17 | 2022-05-13 | 天元建设集团有限公司 | Steel support quick connecting joint for jacking and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105604067B (en) | 2018-08-28 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20190115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |