CN106245766A - Self-expanding rubs sassafras shape steel tube attachment structure and assemble method - Google Patents
Self-expanding rubs sassafras shape steel tube attachment structure and assemble method Download PDFInfo
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- CN106245766A CN106245766A CN201610847686.7A CN201610847686A CN106245766A CN 106245766 A CN106245766 A CN 106245766A CN 201610847686 A CN201610847686 A CN 201610847686A CN 106245766 A CN106245766 A CN 106245766A
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- steel pipe
- self
- expanding
- ring
- steel
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2421—Socket type connectors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2451—Connections between closed section profiles
Abstract
The present invention relates to steel building field, be specially a kind of self-expanding and rub sassafras shape steel tube attachment structure and assemble method, the self-expanding of production rubs sassafras shape steel tube attachment structure can be as the steel pipe connection structure of application in steel building.This structure includes: self-expanding steel pipe hoop constraint hoop, restraint garter reserve separating tank, restraint garter prepared screw-bolt hole, self-expanding steel pipe, the vertically communicated expansion joint of self-expanding steel pipe, the connected steel pipe of band liner snap ring, common steel tube.Compare conventional steel connected mode, component can repeated multiple times utilize, and connected mode is simple, utilize the frictional force between self-expanding friction-type steel pipe and steel pipe, environmental protection and energy saving, better meet the requirement of green building instantly, it is achieved the connection between steel pipe and steel-tube construction, meet actual engineering design, construction needs.
Description
Technical field
The present invention relates to steel building field, be specially a kind of self-expanding and rub sassafras shape steel tube attachment structure and assembling side
Method, the self-expanding of production rubs sassafras shape steel tube attachment structure can be as the steel pipe connection structure of application in steel building.
Background technology
In steel building, especially in glass curtain wall and steel structure, the connection of steel pipe mainly uses butt weld to connect.This
Connected mode, owing to using butt weld, difficulty of construction is big, and especially work high above the ground difficulty of construction is bigger, to welding personnel
Technical merit requires height, and the quality of butt weld is difficult to ensure, residual stress and residual deformation that weld seam causes are bigger.To this end,
The present invention proposes a kind of self-expanding and rubs sassafras shape steel tube attachment structure and assemble method, it is to avoid being welded to connect, in work between steel pipe
Cheng Yingyong obtains good effect.
Summary of the invention
The purpose of the present invention is to propose to self-expanding rub sassafras shape steel tube attachment structure and assemble method, it is achieved steel pipe is tied with steel pipe
Connection between structure, meets actual engineering design, construction needs.
The technical scheme is that
A kind of self-expanding rubs sassafras shape steel tube attachment structure, it is characterised in that this structure includes: self-expanding steel pipe hoop constraint
Hoop, restraint garter are reserved in separating tank, restraint garter prepared screw-bolt hole, self-expanding steel pipe, the vertically communicated expansion joint of self-expanding steel pipe, band
The lining connected steel pipe of snap ring, common steel tube, concrete structure is as follows:
Self-expanding steel pipe hoop constraint hoop is provided with restraint garter and reserves separating tank, restraint garter prepared screw-bolt hole, self-expanding steel pipe
Hoop constraint hoop is two halves to opening structure, two halves opening structure is docked after be centrally formed circular hole;Self-expanding steel pipe hoop constraint
Cuff is in the middle part of self-expanding steel pipe, and self-expanding steel pipe is vertically middle leaves the vertically communicated expansion joint of self-expanding steel pipe, self-expanding steel
When pipe is made the vertically communicated expansion joint of self-expanding steel pipe tend to Guan Bi by hoop constraint, extending the most respectively of self-expanding steel pipe is general
In the connected steel pipe of logical steel pipe and band liner snap ring.
Described self-expanding rubs sassafras shape steel tube attachment structure, and two halves are on the two ends opposite face of opening structure, mutually the most split
If restraint garter reserves separating tank, restraint garter prepared screw-bolt hole, restraint garter is reserved separating tank and is positioned at restraint garter prepared screw-bolt hole
Side, relative restraint garter reserves separating tank docking and is combined into square hole, and relative restraint garter prepared screw-bolt hole docking, by supporting
Shank of bolt and nut connect locking.
Described self-expanding rubs sassafras shape steel tube attachment structure, arranges liner snap ring in the connected steel pipe of band liner snap ring,
When using self-expanding fastener for connection steel pipe, fix self-expanding steel pipe by liner snap ring.
Described self-expanding rubs sassafras shape steel tube attachment structure, also sets up encapsulation steel pipe connecting T-Ring, including sub-encapsulation steel pipe connecting
T-Ring and female encapsulation steel pipe connecting T-Ring, sub-encapsulation steel pipe connecting T-Ring and female encapsulation steel pipe connecting T-Ring are oppositely arranged, sub-encapsulation steel pipe
Two terminations connecting ring are respectively provided with sub-encapsulation steel pipe connecting T-Ring connecting key, and two terminations of female encapsulation steel pipe connecting T-Ring are respectively
Female encapsulation steel pipe connecting T-Ring connecting key groove, sub-encapsulation steel pipe connecting T-Ring connecting key and female encapsulation steel pipe connecting T-Ring connecting key groove are set
It is oppositely arranged, passes through to be connected, form encapsulation steel pipe connecting T-Ring.
Described self-expanding rubs sassafras shape steel tube attachment structure, and self-expanding steel pipe uses the steel that elastic performance is good to make, and makes
It produces the bigger normal pressure being perpendicular to hoop after expanding, and the outer surface of self-expanding steel pipe is by the technique increasing coefficient of friction
Process, increase the frictional force between self-expanding steel pipe and connected steel pipe and the common steel tube of band liner snap ring.
Described self-expanding rubs sassafras shape steel tube attachment structure, the connected steel pipe of band liner snap ring and self-expanding fastener for connection
Inner surface by increase coefficient of friction PROCESS FOR TREATMENT, increase the frictional force of itself and self-expanding outer surface of steel tube;Common steel tube
With the inner surface of self-expanding fastener for connection by increasing the PROCESS FOR TREATMENT of coefficient of friction, increase itself and self-expanding outer surface of steel tube
Frictional force.
Described self-expanding rubs the assemble method of sassafras shape steel tube attachment structure, and concrete assembling process is as follows:
(1) by self-expanding steel pipe hoop constraint cuff in the middle part of self-expanding steel pipe, pass in restraint garter prepared screw-bolt hole
Shank of bolt, fastening nut, by nut is tightened, force the vertically communicated expansion joint of self-expanding steel pipe of self-expanding steel pipe to be closed
Close, form assembly;
(2) lower end of assembly is lifted in the connected steel pipe of band liner snap ring, install after having good positioning, then lift general
Logical steel pipe is to the upper end of assembly;
(3), after the connected steel pipe of band liner snap ring and common steel tube installation, self-expanding steel pipe hoop constraint is removed
Hoop.
Described self-expanding rubs the assemble method of sassafras shape steel tube attachment structure, after step (3), self-expanding steel pipe hoop constraint
During hoop constraint self-expanding steel pipe so that leave gap between upper and lower connected steel pipe, utilize son encapsulation steel in the position in gap
Pipe connects ring and female encapsulation fastener for connection ring seal, by sub-encapsulation steel pipe connecting T-Ring connecting key, female encapsulation steel pipe connecting T-Ring
Connecting keyway makes junction seal.
Described self-expanding rubs the assemble method of sassafras shape steel tube attachment structure, and in step (3), dismounting order is first to remove
Nut, after remove shank of bolt, finally remove self-expanding steel pipe hoop constraint hoop;After dismounting, self-expanding steel pipe is in circumferential expansion, surely
Surely connected steel pipe and the common steel tube of band liner snap ring are connected.
Described self-expanding rubs the assemble method of sassafras shape steel tube attachment structure, and step (1) is prefabricated in factory to be completed, step
(2) complete the most at the construction field (site).
The invention have the characteristics that and beneficial effect:
1, the self-expanding friction-type steel pipe connection structure of the present invention and assemble method, compare traditional being welded to connect, and connects
During do not use welding, connecting portion does not has the residual stress of weld seam, the connection between main member by self-expanding steel pipe with
The frictional force of connected steel pipe.Interface section, due to the existence of self-expanding steel pipe, more strengthens the intensity of interface.Ratio is welded to connect
Mode is more reliable stable.
2, the self-expanding friction-type steel pipe connection structure of the present invention and assemble method, compare conventional steel connected mode, execute
Work operation is greatly simplified, less demanding to workmen, and component is the most easily processed, and the environmental requirement to job site is the highest,
Operating process is simple, and time-saving and efficiency can be greatly improved construction speed.
3, the self-expanding friction-type steel pipe connection structure of the present invention and assemble method, compare conventional steel connected mode, more
Adding flexibly, practicality is higher, and follow-up maintenance is changed convenient, dismantles the most fairly simple, in interim or active type building
In structure, superiority seems more prominent.
4, the self-expanding friction-type steel pipe connection structure of the present invention and assemble method, compare conventional steel connected mode, structure
Part can repeated multiple times utilize, and connected mode is simple, utilizes the frictional force between self-expanding friction-type steel pipe and steel pipe, environmental protection
Energy-conservation, better meet the requirement of green building instantly.
Accompanying drawing explanation
Fig. 1 is the graphics of self-expanding steel pipe hoop constraint hoop.
Fig. 2 is the graphics of self-expanding steel pipe.
Fig. 3 is the connected steel pipe graphics of band liner snap ring.
Fig. 4 is the graphics of common steel tube.
Fig. 5 is the graphics of encapsulation steel pipe connecting T-Ring.
Fig. 6 is the link position thin portion graphics of encapsulation steel pipe connecting T-Ring.
Fig. 7 is the graphics buckleing self-expanding steel pipe hoop constraint hoop process outside self-expanding steel pipe.
Fig. 8 is to buckle the graphics that self-expanding steel pipe hoop constraint hoop completes outside self-expanding steel pipe.
Fig. 9 is the graphics using Fig. 8 to connect Fig. 3 and Fig. 4 process.
Figure 10 is to use Fig. 8 to connect the graphics that Fig. 3 and Fig. 4 completes.
Figure 11 is the graphics removing self-expanding steel pipe hoop constraint hoop process.
Figure 12 is to remove the graphics that self-expanding steel pipe hoop constraint hoop completes.
Figure 13 is the graphics of encapsulation steel pipe connecting T-Ring assembling process.
Figure 14 is the graphics that encapsulation steel pipe connecting T-Ring is completed.
In figure, 1 self-expanding steel pipe hoop constraint hoop;2 restraint garters reserve separating tank;3 restraint garter prepared screw-bolt holes;4 bolts
Bar;5 nuts;6 self-expanding steel pipes;The 7 vertically communicated expansion joints of self-expanding steel pipe;The connected steel pipe of 8 band liner snap rings;9 liners
Snap ring;10 common steel tubes;11 son encapsulation steel pipe connecting T-Rings;12 son encapsulation steel pipe connecting T-Ring connecting keys;13 female encapsulation fastener for connection
Ring;14 female encapsulation steel pipe connecting T-Ring connecting key grooves.
Detailed description of the invention
As shown in Fig. 1-Figure 14, self-expanding of the present invention rubs sassafras shape steel tube attachment structure, specifically includes that self-expanding steel pipe hoop
Restraint garter 1, restraint garter reserve separating tank 2, restraint garter prepared screw-bolt hole 3, shank of bolt 4, nut 5, self-expanding steel pipe 6, self-expanding
The vertically communicated expansion joint of steel pipe 7, the connected steel pipe 8 of band liner snap ring, liner snap ring 9, common steel tube 10, sub-encapsulation steel pipe connecting
T-Ring 11, sub-encapsulation steel pipe connecting T-Ring connecting key 12, female encapsulation steel pipe connecting T-Ring 13, female encapsulation steel pipe connecting T-Ring connecting key groove 14
Deng, concrete structure is as follows:
As it is shown in figure 1, self-expanding steel pipe hoop constraint hoop 1, it is reserved separating tank 2 by restraint garter, restraint garter reserves bolt
Hole 3, shank of bolt 4 and nut 5 form, and self-expanding steel pipe hoop constraint hoop 1 is two halves to opening structure, after opening structure is docked by two halves
Be centrally formed circular hole, two halves on the two ends opposite face of opening structure, are the most relatively offered restraint garter and are reserved separating tank 2, constraint
Binding round prepared screw-bolt hole 3, restraint garter is reserved separating tank 2 and is positioned at the inner side of restraint garter prepared screw-bolt hole 3, reserved point of relative restraint garter
Being combined into square hole from groove 2 docking, relative restraint garter prepared screw-bolt hole 3 docks, and is connected by supporting shank of bolt 4 and nut 5
Locking.
Wherein, restraint garter reserve separating tank 2 be in order to be isolatable from expand steel pipe hoop constraint hoop 1 time, stretch into crowbar or
Other instrument.Restraint garter prepared screw-bolt hole 3, shank of bolt 4 and nut 5, be in order to when retraining self-expanding steel pipe 6, fixing from swollen
Swollen steel pipe hoop constraint hoop 1.
As in figure 2 it is shown, self-expanding steel pipe 6, it uses the steel that elastic performance is good to make, it is therefore an objective to produce after making it expand
The bigger normal pressure being perpendicular to hoop, the outer surface of self-expanding steel pipe, does sandblasting or other increases at the technique of coefficient of friction
Reason, thus increase the frictional force between self-expanding steel pipe 6 and the connected steel pipe 8 of band liner snap ring and common steel tube 10.
Leaving the vertically communicated expansion joint of self-expanding steel pipe 7 in the middle of self-expanding steel pipe 6 is vertical, self-expanding steel pipe 6 is by hoop
During constraint, this seam tends to Guan Bi, and produces the biggest expansive force.
Self-expanding steel pipe 6 connects connected steel pipe 8 and the common steel tube 10 of band liner snap ring, and the principle of foundation is sassafras biography of rubbing
Power, therefore the size of self-expanding steel pipe also needs the size according to transmission frictional force to determine.
As it is shown on figure 3, the connected steel pipe 8 of band liner snap ring arranges liner snap ring 9 in order to use self-expanding
During steel pipe 6 joint steel pipe, fixing self-expanding steel pipe 6, prevent self-expanding steel pipe 6 when self-expanding steel pipe hoop constraint hoop 1 separates,
Landing is in the common steel tube 10 that self-expanding steel pipe 6 connects.Connected steel pipe 8 with liner snap ring is connected with self-expanding steel pipe 6
Inner surface do sandblasting or other increase coefficient of friction PROCESS FOR TREATMENT, increase the frictional force of itself and self-expanding steel pipe 6 outer surface,
The size of liner snap ring 9 can calculate according to the vertical load being delivered to its upper surface and determine.
As shown in Figure 4, common steel tube 10, its inner surface being connected with self-expanding steel pipe 6, does sandblasting or other increases friction
The PROCESS FOR TREATMENT of coefficient, increases the frictional force of itself and self-expanding steel pipe 6 outer surface.
As shown in Fig. 5-Fig. 6, sub-encapsulation steel pipe connecting T-Ring 11 and female encapsulation steel pipe connecting T-Ring 13 are oppositely arranged, sub-encapsulation steel
Pipe connects two terminations of ring 11 and is respectively provided with sub-encapsulation steel pipe connecting T-Ring connecting key 12, two of female encapsulation steel pipe connecting T-Ring 13
Termination is respectively provided with female encapsulation steel pipe connecting T-Ring connecting key groove 14, sub-encapsulation steel pipe connecting T-Ring connecting key 12 and female encapsulation steel pipe connecting
T-Ring connection keyway 14 is oppositely arranged the two can form encapsulation steel pipe connecting T-Ring by being connected.
As shown in Fig. 7-Figure 14, self-expanding of the present invention rubs the assemble method of sassafras shape steel tube attachment structure, concrete assembling process
As follows:
As shown in Figs. 7-8, first self-expanding steel pipe hoop constraint hoop 1 is placed in the middle part of self-expanding steel pipe 6, then about
Through shank of bolt 4 in bundle hoop prepared screw-bolt hole 3, fastening nut 5, by tightening nut 5, force self-expanding steel pipe 6 from
Expand the vertically communicated expansion joint of steel pipe 7 to close, form assembly.
Said process can prefabricated in factory complete, and procedure below completes at the construction field (site).
As shown in Fig. 9-Figure 10, the lower end of assembly is lifted in the connected steel pipe 8 of band liner snap ring, location is installed
After Hao, then lift the common steel tube 10 upper end to assembly.
As depicted in figs. 11-12, after the connected steel pipe 8 of band liner snap ring and common steel tube 10 installation, remove from swollen
Swollen steel pipe hoop constraint hoop 1.Dismounting order be, first remove nut 5, after remove shank of bolt 4, finally by crowbar or other similar work
Tool, removes self-expanding steel pipe hoop constraint hoop 1.After dismounting, self-expanding steel pipe 6, in circumferential expansion, is stably connected with band liner snap ring
Connected steel pipe 8 and common steel tube 10.
As shown in Figure 13-Figure 14, when retraining self-expanding steel pipe 6 due to self-expanding steel pipe hoop constraint hoop 1 so that upper and lower
Certain gap is left, in the position in gap between connected steel pipe (the connected steel pipe 8 of band liner snap ring and common steel tube 10)
Put utilization son encapsulation steel pipe connecting T-Ring 11 and female encapsulation steel pipe connecting T-Ring 13 is closed, by sub-encapsulation steel pipe connecting T-Ring connecting key
12, female encapsulation steel pipe connecting T-Ring connecting key groove 14 makes junction seal, and does not affect the attractive in appearance of steel pipe.
Embodiment result shows, the self-expanding of the present invention rubs sassafras shape steel tube attachment structure and assemble method: in connection procedure
Not using welding, connecting portion does not has the residual stress of weld seam, and the connection between main member is by self-expanding steel pipe and is connected
The frictional force of steel pipe, interface section, due to the existence of self-expanding steel pipe, more strengthens the intensity of interface, than welding connecting mode more
Reliable and stable;Constructing operation is greatly simplified, less demanding to workmen, and component is the most easily processed, the ring to job site
Border is less demanding, and operating process is simple, and time-saving and efficiency can be greatly improved construction speed;More flexible, practicality is higher, and after
Continuous maintenance is changed convenient, dismantles the most fairly simple, and in interim or active type building structure, superiority seems more prominent
Go out.This component can repeated multiple times utilize, and connected mode is simple, utilizes the friction between self-expanding friction-type steel pipe and steel pipe
Power, environmental protection and energy saving, better meet the requirement of green building instantly.
Claims (10)
1. a self-expanding rubs sassafras shape steel tube attachment structure, it is characterised in that this structure includes: self-expanding steel pipe hoop constraint
Hoop, restraint garter are reserved in separating tank, restraint garter prepared screw-bolt hole, self-expanding steel pipe, the vertically communicated expansion joint of self-expanding steel pipe, band
The lining connected steel pipe of snap ring, common steel tube, concrete structure is as follows:
Self-expanding steel pipe hoop constraint hoop is provided with restraint garter and reserves separating tank, restraint garter prepared screw-bolt hole, self-expanding steel pipe hoop
Restraint garter is two halves to opening structure, two halves opening structure is docked after be centrally formed circular hole;Self-expanding steel pipe hoop constraint cuff
In the middle part of self-expanding steel pipe, self-expanding steel pipe is vertically middle leaves the vertically communicated expansion joint of self-expanding steel pipe, and self-expanding steel pipe is subject to
To hoop constraint make the vertically communicated expansion joint of self-expanding steel pipe tend to Guan Bi time, self-expanding steel pipe extend ordinary steel the most respectively
In the connected steel pipe of pipe and band liner snap ring.
2. rub sassafras shape steel tube attachment structure according to the self-expanding described in claim 1, it is characterised in that two halves to opening structure two
On end opposite face, the most relatively offering restraint garter and reserve separating tank, restraint garter prepared screw-bolt hole, restraint garter is reserved separating tank and is positioned at
The inner side of restraint garter prepared screw-bolt hole, relative restraint garter reserve separating tank docking be combined into square hole, relative restraint garter reserve
Bolt hole docks, and connects locking by supporting shank of bolt and nut.
3. rub sassafras shape steel tube attachment structure according to the self-expanding described in claim 1, it is characterised in that being connected of band liner snap ring
Connect and steel pipe arranges liner snap ring, when using self-expanding fastener for connection steel pipe, fix self-expanding steel pipe by liner snap ring.
4. rub sassafras shape steel tube attachment structure according to the self-expanding described in claim 1, it is characterised in that also set up encapsulation steel pipe connecting
T-Ring, including sub-encapsulation steel pipe connecting T-Ring and female encapsulation steel pipe connecting T-Ring, sub-encapsulation steel pipe connecting T-Ring and female encapsulation fastener for connection
Ring is oppositely arranged, and two terminations of sub-encapsulation steel pipe connecting T-Ring are respectively provided with sub-encapsulation steel pipe connecting T-Ring connecting key, female encapsulation steel
Pipe connects two terminations of ring and is respectively provided with female encapsulation steel pipe connecting T-Ring connecting key groove, sub-encapsulation steel pipe connecting T-Ring connecting key and mother
Encapsulation steel pipe connecting T-Ring connecting key groove is oppositely arranged, passes through to be connected, and forms encapsulation steel pipe connecting T-Ring.
5. rub sassafras shape steel tube attachment structure according to the self-expanding described in claim 1, it is characterised in that self-expanding steel pipe uses bullet
Property the good steel of performance make so that it is produce the bigger normal pressure being perpendicular to hoop, the outer surface of self-expanding steel pipe after expansion
By increasing the PROCESS FOR TREATMENT of coefficient of friction, increase the connected steel pipe of self-expanding steel pipe and band liner snap ring and common steel tube it
Between frictional force.
6. rub sassafras shape steel tube attachment structure according to the self-expanding described in claim 1, it is characterised in that being connected of band liner snap ring
Connect the steel pipe inner surface with the self-expanding fastener for connection PROCESS FOR TREATMENT by increase coefficient of friction, increase outside itself and self-expanding steel pipe
The frictional force on surface;The inner surface of common steel tube and self-expanding fastener for connection, by increasing the PROCESS FOR TREATMENT of coefficient of friction, increases
Its frictional force with self-expanding outer surface of steel tube.
7. the self-expanding that one of claim 1-6 is described rubs the assemble method of sassafras shape steel tube attachment structure, it is characterised in that
Concrete assembling process is as follows:
(1) by self-expanding steel pipe hoop constraint cuff in the middle part of self-expanding steel pipe, through bolt in restraint garter prepared screw-bolt hole
Bar, fastening nut, by nut is tightened, force the vertically communicated expansion joint of self-expanding steel pipe of self-expanding steel pipe to close, shape
Become assembly;
(2) lower end of assembly is lifted in the connected steel pipe of band liner snap ring, install after having good positioning, then lift ordinary steel
Pipe is to the upper end of assembly;
(3), after the connected steel pipe of band liner snap ring and common steel tube installation, self-expanding steel pipe hoop constraint hoop is removed.
8. the assemble method of sassafras shape steel tube attachment structure of rubbing according to the self-expanding described in claim 7, it is characterised in that step
(3) after, during self-expanding steel pipe hoop constraint hoop constraint self-expanding steel pipe so that leave gap between upper and lower connected steel pipe,
Son encapsulation steel pipe connecting T-Ring and female encapsulation fastener for connection ring seal is utilized, by sub-encapsulation steel pipe connecting T-Ring in the position in gap
Connecting key, female encapsulation steel pipe connecting T-Ring connecting key groove make junction seal.
9. the assemble method of sassafras shape steel tube attachment structure of rubbing according to the self-expanding described in claim 7, it is characterised in that step
(3) in, dismounting order be first to remove nut, after remove shank of bolt, finally remove self-expanding steel pipe hoop constraint hoop;After dismounting,
Self-expanding steel pipe, in circumferential expansion, is stably connected with connected steel pipe and the common steel tube of band liner snap ring.
10. the assemble method of sassafras shape steel tube attachment structure of rubbing according to the self-expanding described in claim 7, it is characterised in that step
(1) prefabricated in factory completing, step (2) completes the most at the construction field (site).
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Cited By (3)
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CN108729544A (en) * | 2018-05-29 | 2018-11-02 | 湖北沛函建设有限公司 | Dry-and wet-type composite joint pin-connected panel construction |
CN109629683A (en) * | 2019-01-17 | 2019-04-16 | 林鹏 | Expand rub sassafras fashioned iron pipe connecting structure and assemble method |
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