CN208220180U - The screw connection of steel pipe docking for building - Google Patents
The screw connection of steel pipe docking for building Download PDFInfo
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- CN208220180U CN208220180U CN201820733575.8U CN201820733575U CN208220180U CN 208220180 U CN208220180 U CN 208220180U CN 201820733575 U CN201820733575 U CN 201820733575U CN 208220180 U CN208220180 U CN 208220180U
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- steel pipe
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Abstract
The utility model discloses the screw connections of steel pipe for building docking, connect for first steel pipe with second steel pipe, specifically include that standing screw, movable whorl casing, fixed thread casing and moving screw；One end of standing screw is connect with first steel pipe, the other end of standing screw is equipped with external screw thread, one end of fixed thread casing is connect with second steel pipe, the other end of fixed thread casing is equipped with internal screw thread, the both ends of movable whorl casing are connect with standing screw and moving screw respectively, the both ends of moving screw are respectively with movable whorl casing and fixed thread casing connection, and the thread number of junction all meets design requirement；Compared to existing welding or flanged joint technology, the utility model has given full play to the easily-controllable advantage of industrialized production quality, and facilitates installation, and small, joint quality stabilization is influenced by factors such as environment, weather, operating technologies.
Description
Technical field
The utility model relates to a kind of screw connections, more particularly to a kind of threaded connection of steel pipe docking for building
Device is mainly used in the connection of architectural engineering steel pipe.
Background technique
Round steel pipe is very widely used in construction projects: many kinds structure type such as rack, reticulated shell, truss is all main
It is constituted with round steel pipe.
Large-scale steel pipe is limited by factory process ability and traffic condition, in the actual engineering construction, is difficult directly handle
Span carries out upper air installing up to tens of meters of round steel pipe structure.Building element usually requires segmentation and is transported to scene, then
Docking spreading is carried out at the scene.Can in the building structure based on round steel pipe, whether round steel pipe docking technique be perfect, be that protect
Card building structure reaches an important factor for predetermined design requires.
Some other can also use field such as water pipe docking, Oil/Gas Pipe docking of round steel pipe docking etc., can rely on both ends
The relative movement or rotation of component are to cooperate docking operation, but the usual scale of building element and weight are all larger, as
It is differed for the round steel pipe diameter in truss up to 140-450mm, both ends construction weight is up to tens of tons up to a hundred, and in most cases
The round steel pipe that both ends component has several directions different respectively needs to dock (see attached drawing 3,4), once the both ends structure that connection will be prepared
After part is in place on mounting platform, it can not be rotated further by or move.
Current round steel pipe interconnection method most common in construction projects is welding and flanged joint, but both methods is deposited
In following problems:
1. welding:
(1) since construction is mostly in outdoor progress, the welding of large-scale steel pipe is affected by weather, severe cold, strong wind,
The bad weathers such as rain, snow can have an impact overhead welding quality；
(2) welding is affected by artificial technology: technical level, spirit, physical strength of welder etc. are easy to welding
Quality has an impact；
(3) welding easily causes steel brittleness, reduces joint mechanical property；
(4) in steel space structure, welded connecting usually require that high-altitude carry out, quality detection work difficulty compared with
Height has certain risk, more demanding to testing staff；
(5) longer using the working hour needed for being welded to connect to the docking of scale and the biggish building element of weight, a section
The connection of point generally requires to expend dozens of hour, and staff is very arduous, and it is more to expend working hour.
2. flanged joint:
(1) the prominent steel tube surface of connecting node, influences appearance；In order to guarantee the bearing capacity of flanged joint, need to be arranged compared with
More high-strength bolts, such flanged joint node will significantly protrude steel tube surface, this is in the higher neck of some building requirements
Domain is problem very serious.
(2) by flanged joint steel pipe, the stress form of steel pipe arrives steel pipe to flange for steel pipe again, and steel pipe power transmission is not straight
It connects, junction stress condition is complicated.
(3) flanged joint is chronically at high-stress state, meets shearing resistance, tension, bending resistance by the pretightning force of high-strength bolt
Etc. compound internal force status, it is easy that connector is made to generate moderate finite deformation.
Utility model content
The technical problems to be solved in the utility model is for the prior art steel pipe docking welding and flange connection
Existing difficulty of construction is big, and the time is long, and junction stress is complicated, and the problem influenced by weather and human factor provides one kind
Connection convenience, does not influence the size and stress of steel pipe junction, time-consuming significant decrease of constructing, low to weather and manual request, holds
Easily check the screw connection of the steel pipe for building docking of quality of connection.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of screw connection of steel pipe docking for building, connects for first steel pipe with second steel pipe, first steel pipe and second steel
Pipe is located along the same line, and specifically includes that standing screw, movable whorl casing, fixed thread casing and moving screw；Fixed spiral shell
One end of bar is connect with first steel pipe, and the other end of standing screw is equipped with external screw thread, and movable whorl casing is equipped with internal screw thread, fixed spiral shell
The external screw thread of bar is connect with the internal screw thread of movable whorl casing；One end of fixed thread casing is connect with second steel pipe, fixed thread
The other end of casing is equipped with internal screw thread, and moving screw is equipped with external screw thread, the internal screw thread of fixed thread casing and moving screw it is outer
It is threadedly coupled；Gap between standing screw and moving screw is equal to the integral multiple of thread pitch；
The both ends of the movable whorl casing are connect with standing screw and moving screw respectively, the both ends difference of moving screw
All meet design requirement with the thread number of movable whorl casing and fixed thread casing connection, and junction.
To further realize the utility model aim, it is preferable that the first steel pipe, movable whorl casing, fixed screw-casing
Pipe and second steel pipe be all it is columnar structured, cross-sectional outer diameter is identical.
Preferably, the standing screw and moving screw are cylindric, and outer diameter is identical, and outer diameter is equal to first steel pipe or second
The internal diameter of steel pipe.
Preferably, one end of the standing screw is connect in one end insertion first steel pipe for referring to standing screw with first steel pipe,
Pass through screw thread or welded connecting.
Preferably, the part that the standing screw removes in insertion first steel pipe is all machined with external screw thread.
Preferably, one end of the fixed thread casing connect one end insertion second for referring to fixed thread casing with second steel pipe
In steel pipe, pass through screw thread or welded connecting.
It preferably, is to be processed into one end of fixed thread casing in one end insertion second steel pipe of the fixed thread casing
Diameter is the cylindrical body of second pipe diameter.
Preferably, the internal screw thread of the fixed thread casing is cut from the end that fixed thread cannula cavity is machined to second steel pipe
At face.
Preferably, the first steel pipe and second steel pipe are round steel pipe.
Preferably, the outer diameter of the round steel pipe is 140-450mm.
Compared with the existing technology, the utility model has the advantage that is with beneficial effect:
1) screw connection of the steel pipe for building docking of the utility model, compares conventional steel butt welding, mainly
Connecting portion between component does not have the residual stress of weld seam, and connecting portion is mechanically connected using sleeve, and joint quality easily guarantees,
Connection is fast, and quality is easy detection, and constructing operation greatly simplifies, and the simple easy processing of component, construction safety, operating process is simple, than
Traditional relatively reliable stabilization of butt welding mode.
2) screw connection of the steel pipe for building docking of the utility model, compared to traditional sleeve connection, Ke Yitong
The position of the whole moving screw of overwinding modulation makes the gap between standing screw and moving screw be equal to the integral multiple of thread pitch,
To which guarantee activity screw shell can be rotated by standing screw to moving screw, the connection of the two is realized.This, which is solved, works as round steel
Pipe scale and weight is larger when can not rotate and move, at the scene in lifting due to gap influence and hinder asking for sleeve connection
Topic.
3) the utility model meets design, the construction needs of Practical Project for the screw connection of docking, solves existing
There is the technical issues of quality of butt welding and flanged joint and intensity are difficult to ensure.
Detailed description of the invention
Fig. 1 is structure of the screw connection of the steel pipe for building of the utility model embodiment 1 docking before steel pipe connection
Schematic diagram；
Fig. 2 is structure of the screw connection of the steel pipe for building of the utility model embodiment 1 docking after steel pipe connection
Schematic diagram；
Fig. 3 is that the screw connection of the steel pipe for building of the utility model embodiment 2 docking is connected in steel pipe truss component
Preceding structural schematic diagram；
Fig. 4 is that the screw connection of the steel pipe for building of the utility model embodiment 2 docking is connected in steel pipe truss component
Structural schematic diagram afterwards；
It is shown in figure: standing screw 1, movable screw shell 2, fixed screw shell 3, moving screw 4, first steel pipe 5, second steel
Pipe 6, first prepackage combination 7, second prepackage combination 8, truss first preassembled section 9, truss second preassembled section 10, pricncipal rafter connection section
Point 11, truss web connecting node 12, truss lower boom connecting node 13.
Specific embodiment
To more fully understand the utility model, the utility model is made further with reference to the accompanying drawings and examples
It is bright, but the embodiments of the present invention is unlimited so.
Embodiment 1
The present embodiment is used to build large-scale first steel pipe 5 and second steel pipe 6 and connects, and first steel pipe 5 and second steel pipe 6 are located at same build
It builds plane and is located along the same line.As depicted in figs. 1 and 2, a kind of screw connection of steel pipe docking for building includes: solid
Determine screw rod 1, movable whorl casing 2, fixed thread casing 3 and moving screw 4；One end of standing screw 1 and first steel pipe 5 connect
It connects, preferably in one end insertion first steel pipe 5 of standing screw 1, passes through screw thread or welded connecting；The other end of standing screw 1 is equipped with
External screw thread, movable whorl casing 2 are equipped with internal screw thread, and the external screw thread of standing screw 1 is connect with the internal screw thread of movable whorl casing 2；
One end of fixed thread casing 3 is connect with second steel pipe 6, preferably in one end insertion second steel pipe 6 of fixed thread casing 3, is passed through
Screw thread or welded connecting；The other end of fixed thread casing 3 is equipped with internal screw thread, and moving screw 4 is equipped with external screw thread, fixed thread
The internal screw thread of casing 3 is connect with the external screw thread of moving screw 4；Gap between standing screw 1 and moving screw 4 is equal to screw thread spiral shell
Away from integral multiple, the both ends of movable whorl casing 2 connect with standing screw 1 and moving screw 4 respectively, the both ends of moving screw 4
It is connect respectively with movable whorl casing 2 and fixed thread casing 3, and the thread number of junction all meets design requirement.
In the present embodiment, standing screw 1, movable whorl casing 2 form first prepackage with first steel pipe 5 and combine 7, fixed thread set
Pipe 3, moving screw 4 form second prepackage with second steel pipe 6 and combine 8.
Preferably, first steel pipe 5, movable whorl casing 2, fixed screw shell 3 and second steel pipe 6 are all columnar structured, are cut
Face outer diameter is identical.
Preferably, standing screw 1 and moving screw 4 are cylindric, and outer diameter is identical, and outer diameter is equal to first steel pipe 5 or second steel
The internal diameter of pipe 6.
Preferably, the internal screw thread of the fixed thread casing is cut from the end that fixed thread cannula cavity is machined to second steel pipe
At face.
It is preferred that 1 one end of standing screw is cylindrical body, periphery is machined with external screw thread, and the other end can be inserted into first steel pipe 5, pass through weldering
It connects and connects standing screw 1 and first steel pipe 5；3 one end of fixed thread casing is relatively large in diameter as cylindrical shape, inner hollow processing
There is internal screw thread, other end diameter is smaller, can be inserted into the end of second steel pipe 6, by welding fixed thread casing 3 and second steel pipe 6
Connection；Movable whorl casing 2 is that internal processing internal thread is cylindric, and movable whorl casing 2 is first passed through screw thread and fixation
Screw rod 1 connects.Moving screw 4 is that periphery is integrally provided with externally threaded solid cylinder；Moving screw 4 is passed through into screw thread and fixation
The connection of 3 one end of threaded sleeve.After first prepackage combination 7 combines 8 in place with second prepackage, the component axis of two combinations should be conllinear.Rotation
The position of the whole moving screw 4 of modulation makes the gap between standing screw 1 and moving screw 4 be equal to the integral multiple of thread pitch.It adjusts
Movable whorl casing 2 is saved, connect the both ends of movable whorl casing 2 with standing screw 1 and moving screw 4 respectively, and is lived simultaneously
The both ends of dynamic screw rod 4 are connect with movable whorl casing 2 and fixed thread casing 3 respectively, guarantee that the thread number of junction all meets
Design requirement, then junction also just meets force request.So far, connection is completed.
Embodiment 2
The present embodiment is used for the connection of circular building steel pipe truss, and specifically truss first prepackage framework 9 and truss second pre-installs structure
The connection of frame 10.
Truss first prepackage framework 9 and the truss second prepackage top boom of framework 10, lower boom round steel pipe size be all Φ 450 ×
20, web member size is all Φ 180 × 8.Truss first pre-installs framework 9, truss second prepackage framework 10 first in factory's preassembling, guarantees
Each corresponding rod piece can be conllinear assembled.Truss first pre-installs framework 9 and the connection of truss second prepackage framework 10 is as shown in Figure 3 and Figure 4,
Main includes the connection of pricncipal rafter connecting node 11, truss web connecting node 12 and truss lower boom connecting node 13；
Wherein, the connection type of pricncipal rafter connecting node 11 and truss lower boom connecting node 13 is substantially the same manner as Example 1, this
Embodiment the connection for taking into account pricncipal rafter connecting node 11 and truss lower boom connecting node 13 simultaneously, also to guarantee truss
The connection of web member connecting node 12.Truss web connecting node 12 is to be at an angle to the horizontal surface.
Pricncipal rafter connecting node 11, truss web connecting node 12 and truss lower boom connecting node 13 all include solid
Determine screw rod 1, movable whorl casing 2, fixed thread casing 3 and moving screw 4.Transport truss first prepackage framework 9 and truss second
In place in high-altitude after pre-installing framework 10 to scene, the truss first that position is adjusted to both ends pre-installs framework 9 and truss second prepackage structure
10 respective members axis collinear of frame.
Pricncipal rafter connecting node 11, truss web connection section are adjusted by the position of rotation adjustment moving screw 4
Point 12, the gap between 13 both ends component of truss lower boom connecting node, make each node standing screw 1 and moving screw 4 it
Between gap be equal to thread pitch integral multiple.Then the movable whorl of top boom, web member and lower boom connecting node is adjusted
Casing 2 connect the both ends of movable whorl casing 2 with standing screw 1 and moving screw 4 respectively, and the two of moving screw 4 simultaneously
End is connect with movable whorl casing 2 and fixed thread casing 3 respectively, and the thread number of junction all meets design requirement.So far,
Complete the connection to truss first preassembled section 9, truss second preassembled section 10.
The utility model embodiment 1 and 2 quality of connection detection method of embodiment are as follows: checking standing screw 1 in movable screw
Thread number in rotation set pipe 2, thread number of the moving screw 4 in movable screw shell 2 and fixed screw shell 3.If mutually button
The thread number of conjunction reaches design requirement, then the screw connection of steel pipe docking for building also meets force request, quality of connection
Detection finishes.
It should be noted that needing to take into account factor even if connection of the embodiment 2 for circular building steel pipe truss is complicated
It is more, but the attachment device of application the utility model, it is calculated since lifting is in place, it is time-consuming only to need 2 hours；Quality testing only needs to unite
The number of threads that meter component mutually fastens.And the welding or flanged joint of the prior art are used, on the one hand need under good weather
It could operate, and need to configure enough highly skilled experienced operators, connection procedure needs 1 day time-consuming；Weld inspection needs special
Door seam inspection instrument is in high aerial detection, time-consuming about 2 hours.
It can be seen that utility model device can guarantee steel pipe field joint safely, conveniently, it can relatively well make up and solve
Prior art weld or flanged joint in actual operation the problem of, all there is apparent advantage in following several respects:
1) all weldings of the screw connection of the steel pipe for building docking of the utility model can be in advance in room
Interior completion, site operation only need to according to the thread number adjustment activity screw shell 2 of junction and the position of moving screw 4,
Connection construction quality is influenced small by weather；
2) the attended operation speed of the screw connection of the steel pipe for building docking of the utility model is fast, and the time is short, behaviour
It is small to make difficulty, is not necessarily to special equipment, it is easy to accomplish high-altitude application；
3) the connection construction quality of the screw connection of the steel pipe for building docking of the utility model is by artificial technology's shape
State (containing technical level, spiritual physical strength, psychological condition etc.) influences small；
4) the quality of connection detection of the screw connection of the steel pipe for building docking of the utility model need to only test connection
The thread number at place, detection difficulty very little, the processing matter quality testing of screw thread and material tests can carry out indoors.
5) screw connection of the steel pipe for building docking of the utility model is easily achieved steel pipe to be connected, activity
Threaded sleeve, the cross sectional shape of fixed screw shell are identical with outer diameter, have substantially no effect on the appearance of building structure.
6) due to using being threadedly coupled, being not necessarily to welding, the screw connection of the steel pipe for building docking of the utility model
The building element material influence for treating connection is small.
7) screw connection of the steel pipe for building docking of the utility model readily satisfies steel pipe to be connected, movable screw
Line casing, fixed screw shell axis on the same line, power transmission is direct, and principle is simple, does not influence the stress of building element.
8) the screw connection stress of the steel pipe for building docking of the utility model is direct, structure caused by not welding
Damage, global facility are also easy to using anti-corrosion measure, and the durability of device is good.
Claims (10)
1. the screw connection of steel pipe docking for building, connects for first steel pipe with second steel pipe, first steel pipe and second steel pipe are located at
On same straight line, which is characterized in that specifically include that standing screw, movable whorl casing, fixed thread casing and moving screw；
One end of standing screw is connect with first steel pipe, and the other end of standing screw is equipped with external screw thread, and movable whorl casing is equipped with internal screw thread,
The external screw thread of standing screw is connect with the internal screw thread of movable whorl casing；One end of fixed thread casing is connect with second steel pipe, Gu
The other end for determining threaded sleeve is equipped with internal screw thread, and moving screw is equipped with external screw thread, the internal screw thread and movable screw of fixed thread casing
The external screw thread of bar connects；Gap between standing screw and moving screw is equal to the integral multiple of thread pitch；
The both ends of the movable whorl casing are connect with standing screw and moving screw respectively, the both ends of moving screw respectively with work
Dynamic threaded sleeve and fixed thread casing connection, and the thread number of junction all meets design requirement.
2. the screw connection of steel pipe docking for building according to claim 1, it is characterised in that: the first steel pipe,
Movable whorl casing, fixed screw shell and second steel pipe be all it is columnar structured, cross-sectional outer diameter is identical.
3. the screw connection of steel pipe docking for building according to claim 1, it is characterised in that: the standing screw
With moving screw be it is cylindric, outer diameter is identical, and outer diameter is equal to the internal diameter of first steel pipe or second steel pipe.
4. the screw connection of steel pipe docking for building according to claim 1, it is characterised in that: the standing screw
One end connect with first steel pipe refer to standing screw one end insertion first steel pipe in, pass through screw thread or welded connecting.
5. the screw connection of steel pipe docking for building according to claim 4, it is characterised in that: the standing screw
Except the part in insertion first steel pipe is all machined with external screw thread.
6. the screw connection of steel pipe docking for building according to claim 1, it is characterised in that: the fixed thread
One end of casing is connect in one end insertion second steel pipe for referring to fixed thread casing with second steel pipe, is connected by screw thread or welding
It connects.
7. the screw connection of steel pipe docking for building according to claim 1, it is characterised in that: the fixed thread
It is that one end of fixed thread casing is processed into the cylindrical body that diameter is second pipe diameter in one end insertion second steel pipe of casing.
8. the screw connection of steel pipe docking for building according to claim 1, it is characterised in that: the fixed thread
The internal screw thread of casing is machined to from the end section of second steel pipe from fixed thread cannula cavity.
9. the screw connection of steel pipe for building docking according to claim 1, it is characterised in that: the first steel pipe and
Second steel pipe is round steel pipe.
10. the screw connection of steel pipe docking for building according to claim 9, it is characterised in that: the round steel pipe
Outer diameter be 140-450mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733575.8U CN208220180U (en) | 2018-05-16 | 2018-05-16 | The screw connection of steel pipe docking for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733575.8U CN208220180U (en) | 2018-05-16 | 2018-05-16 | The screw connection of steel pipe docking for building |
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| Publication Number | Publication Date |
|---|---|
| CN208220180U true CN208220180U (en) | 2018-12-11 |
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ID=64508074
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820733575.8U Active CN208220180U (en) | 2018-05-16 | 2018-05-16 | The screw connection of steel pipe docking for building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412189A (en) * | 2018-05-16 | 2018-08-17 | 华南理工大学建筑设计研究院 | A kind of screw connection for steel pipe docking |
| CN112627341A (en) * | 2020-12-25 | 2021-04-09 | 北京建工四建工程建设有限公司 | Steel column butt joint support frame and steel column butt joint construction method applying support frame |
-
2018
- 2018-05-16 CN CN201820733575.8U patent/CN208220180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412189A (en) * | 2018-05-16 | 2018-08-17 | 华南理工大学建筑设计研究院 | A kind of screw connection for steel pipe docking |
| CN112627341A (en) * | 2020-12-25 | 2021-04-09 | 北京建工四建工程建设有限公司 | Steel column butt joint support frame and steel column butt joint construction method applying support frame |
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Address after: 510640 Design Institute Building, South China University of Technology, Tianhe District, Guangzhou City, Guangdong Province Patentee after: South China University of Technology Architectural Design Research Institute Co., Ltd. Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: Architectural Design Research Institute of SCUT |