CN109296050A - A kind of pair of drawing device - Google Patents
A kind of pair of drawing device Download PDFInfo
- Publication number
- CN109296050A CN109296050A CN201811216723.XA CN201811216723A CN109296050A CN 109296050 A CN109296050 A CN 109296050A CN 201811216723 A CN201811216723 A CN 201811216723A CN 109296050 A CN109296050 A CN 109296050A
- Authority
- CN
- China
- Prior art keywords
- pipe
- drawing device
- pair
- locating part
- fixed frames
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
Abstract
The present invention provides a kind of pair of drawing devices, it is made improvements in reinforced concrete sewer pipe connecting link, for difficult point present in construction research and development a kind of reinforced concrete drainage pipe to drawing device, the connection equipment greatly overcomes environmental condition to limit, artificial, pipeline merging precision in connection procedure easier to control is saved in the use for reducing lifting equipment.The reinforced concrete sewer pipe is to drawing device without repeatedly lifting by crane adjustment, it is only necessary to lift on the basis of drainpipe, then be adjusted through the invention to drawing, so that it may save the artificial guidance operation of subsequent lifting adjustment and part.Described device structure is simple, easy for construction, is able to cooperate the connection of the reinforced concrete sewer pipe of various models.
Description
Technical field
The invention belongs to building implement technical field more particularly to a kind of pair of drawing devices.
Background technique
With the fast development of urban construction, being laid in construction for municipal pipeline is widely used.Prefabricated reinforced concrete
Native drainpipe figure is big, and quality is big, needs frequently to use the mechanical equipments such as loop wheel machine in pipeline docking work progress, repeatedly be adjusted
Whole ability accurate positioning, it is time-consuming and laborious.
It is, therefore, desirable to provide a kind of structure is simple, easy for construction, the reinforced concrete sewer pipe of various models can be cooperated to connect
Connect to drawing device.
Summary of the invention
The purpose of the present invention is to provide a kind of pair of drawing devices, for solving armored concrete row prefabricated in the prior art
Water pipe figure is big, and quality is big, needs frequently to use the mechanical equipments such as loop wheel machine in pipeline docking work progress, repeatedly be adjusted
Can accurate positioning, it is time-consuming and laborious the problems such as.
To solve the above-mentioned problems, the present invention provides a kind of pair of drawing device, including the first locating part, the second locating part and
Hook structure；
One end of first locating part and the hook structure is detachably connected, and the other end of the hook structure is to apply
Power end；
First locating part is set to one end of the first pipe, and the other end of the first pipe is used for and described
One end of second pipe is collectively as connecting pin；
Second locating part is set to the other end of the second pipe, and for limiting the fixed second pipe
The other end；
The force side sequentially passes through inside the first pipe, inside second pipe and second locating part；
When applying pulling force to the force side, the hook structure applies tractive force to first locating part, and described the
One locating part applies thrust identical with the direction of pull to the first pipe, and the thrust leans on the first pipe edge
The direction of the nearly second pipe is mobile, and the first pipe is connect with the second pipe.
Optionally, first limit includes a gusseted plate, and the gusseted plate includes a connecting component, described
Connecting component is connect with one end of the hook structure.
Optionally, the gusseted plate further includes three the first fixed frames, and three first fixed frames have a public affairs
End, three first fixed frames are linked together by the common end altogether, and three first fixed frames are in same plane
Interior, the angle between every two adjacent first fixed frame is 120 °；
The connector is arranged on the common end.
Optionally, three first fixed frames one end opposite with common end is respectively provided with one first expansion bracket for adapting to
One first fixing bolt is arranged for fixing first expansion bracket in various sizes of pipeline on first expansion bracket.
Optionally, second locating part include a hollow support plate, the hollow support plate include an annulus and
Three the second fixed frames；
Three second fixed frames include a connecting pin, and three second fixed frames are uniform by the connecting pin
It is arranged on the annulus, and three second fixed frames and the annulus are in the same plane, the force side passes through institute
State annulus.
Optionally, the opposite one end in the connecting pin of three second fixed frames is respectively provided with one second expansion bracket for adapting to
Various sizes of pipeline, one second fixing bolt of setting is for fixing second expansion bracket on second expansion bracket.
Optionally, second locating part further includes a support frame, and support frame as described above includes that hollow ring and both ends are equal
The even connection structure being arranged on the hollow ring, the connection structure is perpendicular to the plane where the hollow ring；
The hollow support plate and support frame as described above cooperate the other end to realize the fixed second pipe of limit.
Optionally, the hook structure includes the first drag hook and the second drag hook；
First drag hook and second drag hook include an annulus end and a latch closure end, the circle of first drag hook
Ring end connects the latch closure end of second drag hook；
The latch closure end of first drag hook is detachably connected with first locating part, and the annulus end of second drag hook is made
For the force side.
It optionally, further include a force application part, the force application part acts on the force side.
Optionally, the force application part includes a chain block, and the chain block connects and acts on the force side.
The present invention proposes a kind of pair of drawing device, makes improvements in reinforced concrete sewer pipe connecting link, in construction
For a kind of reinforced concrete drainage pipe of existing difficult point research and development to drawing device, which greatly overcomes environmental condition to limit
Artificial, pipeline merging precision in connection procedure easier to control is saved in system, the use for reducing lifting equipment.The armored concrete
Drainpipe is to drawing device without repeatedly lifting adjustment, it is only necessary to lift drainpipe on the basis of, then adjustment pair through the invention
It draws, so that it may save the artificial guidance operation of subsequent lifting adjustment and part.Described device structure is simple, easy for construction, is able to cooperate
The connection of the reinforced concrete sewer pipe of various models.
Detailed description of the invention
Fig. 1 is the overall structure diagram of a kind of pair of drawing device provided in an embodiment of the present invention；
Fig. 2 is the schematic elevation view of a kind of pair of drawing device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of hook structure；
Fig. 4 is the structural schematic diagram of hollow support plate；
Fig. 5 is the structural schematic diagram of gusseted plate；
Fig. 6 is the structural schematic diagram of support frame；
10- hollow support plate, 101- annulus, the second expansion bracket of 102-, the second fixed frame of 103-, the fixed spiral shell of 104- second
Bolt, 20- gusseted plate, 201- steel ball, the first expansion bracket of 202-, the first fixed frame of 203-, the first fixing bolt of 204-, 30-
Chain block, 40- support frame, 50- hook structure, the first drag hook of 501-, the second drag hook of 502-.
Specific embodiment
A kind of pair of drawing device proposed by the present invention is described in further detail below in conjunction with the drawings and specific embodiments.Root
According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted that attached drawing be all made of it is very simple
The form of change and use non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
In the description of the present invention, it is to be understood that, the instructions such as term " center ", "upper", "lower", "left", "right"
Orientation or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
As shown in Figures 1 to 6, the present embodiment provides a kind of pair of drawing device, including the first locating part, the second locating part and
One end of hook structure 50, first locating part and the hook structure 50 is detachably connected, the hook structure 50 it is another
One end is force side.First locating part is set to one end of the first pipe a, and the other end of the first pipe a is used
In one end with the second pipe b collectively as connecting pin.Second locating part is set to the another of the second pipe b
End, and the other end for limiting the fixed second pipe b.The force side sequentially passes through inside the first pipe a,
Two inside pipeline b and second locating part.
When applying pulling force to the force side, the hook structure 50 applies tractive force to first locating part, described
First locating part applies thrust identical with the direction of pull to the first pipe a, and the thrust makes the first pipe a
It is moved along the direction close to the second pipe b, and the first pipe a is connect with the second pipe b.
Optionally, first limit may include a gusseted plate 20, and the gusseted plate 20 includes an interconnecting piece
Part, the connecting component are connect with one end of the hook structure 50.
Optionally, the gusseted plate 20 further includes three the first fixed frames 203, three first fixed frames 203
There is a common end, three first fixed frames 203 are linked together by the common end, three first fixed frames
203 in the same plane, and the angle between every two adjacent first fixed frame 203 is 120 °, at this point, the connector
It is arranged on the common end.It should be noted that in the present embodiment, the gusseted plate 20 can also also comprise a steel
Ball, the steel ball are connected on the common end, are provided with connector on the steel ball.
Further, by practical application, the size of each pipeline be it is different, in order to adapt to various sizes
Pipeline, inventor discovery can three first fixed frames 203 one end opposite with common end be respectively provided with one first stretch
One first fixing bolt 204 is arranged for solid for adapting to various sizes of pipeline in frame 202 on first expansion bracket 202
Fixed first expansion bracket 202.The size of gusseted plate is adjusted by expansion bracket to adapt to various sizes of pipeline, such as Fig. 5
It is shown.
It should be noted that the gusseted plate can be welded using steel plate in the present embodiment, other materials can also be used
The material of matter makes gusseted plate, but the performance of material should meet the needs of gusseted plate, can be according to the actual needs
It selects, herein with no restrictions, and the quantity of the first fixed frame is also with no restrictions, and still, the quantity of the first fixing bolt is answered
It is equal with the quantity of the first expansion bracket.
Optionally, as shown in figure 4, the second locating part described in the present embodiment may include a hollow support plate 10, the sky
Heart support plate 10 includes an annulus 101 and three the second fixed frames 103.Three second fixed frames 103 include one
Connecting pin, three second fixed frames 103 are evenly arranged on the annulus 101 by the connecting pin, and described three
In the same plane with the annulus 101, the force side passes through the annulus 101 to second fixed frame 103.The annulus at center is
There are spaces for posterior drawing operation.
Further, by practical application, the size of each pipeline be it is different, in order to adapt to various sizes
Pipeline, it is flexible that one end that inventor's discovery can be opposite in the connecting pin of three second fixed frames 103 is respectively provided with one second
Frame 102 is for adapting to various sizes of pipeline, and one second fixing bolt 104 of setting is for fixing on second expansion bracket 102
Second expansion bracket 102.
It should be noted that the hollow support plate can be welded using steel plate in the present embodiment, other materials can also be used
The material of matter makes hollow support plate, but the performance of material should meet the needs of hollow support plate, can be according to the actual needs
It selects, herein with no restrictions, and the quantity of the second fixed frame is also with no restrictions, but the quantity of the second fixing bolt should be with
The quantity of second expansion bracket is equal.
Further, second locating part further includes a support frame 40, support frame as described above 40 include hollow ring with
And both ends are uniformly arranged on the connection structure on the hollow ring, the connection structure is perpendicular to where the hollow ring
Plane.The hollow support plate 10 cooperates the other end to realize the fixed second pipe b of limit with support frame as described above 40.Such as
Shown in Fig. 6, hollow ring is set in the left end of support frame, pipeline can be accepted by hollow support plate.In the present embodiment, institute
Stating support frame can be welded using steel plate, and other materials can also be used to make, herein with no restrictions.
Specifically, the hook structure 50 includes the first drag hook 501 and the second drag hook 502, first drag hook 501 with
Second drag hook 502 includes an annulus end and a latch closure end, the annulus end connection described second of first drag hook 501
The latch closure end of drag hook 502.
The latch closure end of first drag hook 501 is detachably connected with first locating part, the circle of second drag hook 502
Ring end is as the force side.In the present embodiment, the length L of hook structure is duct segments length, needs root in practical application
According to selecting the case where specific pipeline, hook structure one end is annulus, and the other end increases latch closure, be can avoid sliding during drawing high
It falls.Also note that pipeline one shares two sections in the present embodiment, it is therefore desirable to have two section drag hooks, if applied in more piece pipe
When the case where road, needs more piece drag hook at this time to be used cooperatively, different one illustrate herein.
It optionally, further include a force application part, the force application part acts on the force side.The force application part can be
Chain block 30, the chain block 30 connect and act on the force side.
In lifting, gusseted plate is placed on the one end pipeline a, is connected by hook structure, passes through pipeline a and pipeline
B is connected with chain block, and the chain block other end is connected with support frame, passes through hollow support plate between support frame and drainpipe b
The transmitting of power is carried out, thus there are spaces can operate the connection that chain block pulls pipeline a and pipeline b in support frame.
In conclusion the present invention proposes a kind of pair of drawing device, made improvements in reinforced concrete sewer pipe connecting link, needle
To difficult point present in construction research and development a kind of reinforced concrete drainage pipe to drawing device, which greatly overcomes ring
Artificial, pipeline merging precision in connection procedure easier to control is saved in the limitation of border condition, the use for reducing lifting equipment.The steel
Reinforced concrete drainage pipe is to drawing device without repeatedly lifting adjustment, it is only necessary to lift on the basis of drainpipe, then pass through this hair
Bright adjustment is to drawing, so that it may save the artificial guidance operation of subsequent lifting adjustment and part.Described device structure is simple, construction party
Just, it is able to cooperate the connection of the reinforced concrete sewer pipe of various models.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example " or " specifically show
The description of example " etc. means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the present invention
At least one embodiment or example in.In the present specification, schematic expression of the above terms are necessarily directed to phase
Same embodiment or example.And particular features, structures, materials, or characteristics described can be real in any one or more
Applying in example can be combined in any suitable manner.In addition, those skilled in the art can be by different embodiments described in this specification
Or example is engaged and is combined.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although ginseng
It is described the invention in detail according to preferred embodiment, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of pair of drawing device, for the docking between first pipe and second pipe, which is characterized in that including the first limit
Part, the second locating part and hook structure；
One end of first locating part and the hook structure is detachably connected, and the other end of the hook structure is force
End；
First locating part is set to one end of the first pipe, and the other end of the first pipe is used for and described second
One end of pipeline is collectively as connecting pin；
Second locating part is set to the other end of the second pipe, and for limiting the another of the fixed second pipe
End；
The force side sequentially passes through inside the first pipe, inside second pipe and second locating part；
When applying pulling force to the force side, the hook structure applies tractive force, first limit to first locating part
Position part applies thrust identical with the direction of pull to the first pipe, and the thrust makes the first pipe along close to institute
The direction for stating second pipe is mobile, and the first pipe is connect with the second pipe.
2. a kind of pair of drawing device as described in claim 1, which is characterized in that first limit includes a gusseted plate,
The gusseted plate includes a connecting component, and the connecting component is connect with one end of the hook structure.
3. a kind of pair of drawing device as claimed in claim 2, which is characterized in that the gusseted plate further includes three first solid
Determine frame, three first fixed frames have a common end, and three first fixed frames are connected to one by the common end
It rises, in the same plane, the angle between every two adjacent first fixed frame is 120 ° to three first fixed frames；
The connector is arranged on the common end.
4. a kind of pair of drawing device as claimed in claim 3, which is characterized in that three first fixed frames are opposite with common end
One end be respectively provided with one first expansion bracket for adapting to various sizes of pipeline, it is solid that one first is arranged on first expansion bracket
Bolt is determined for fixing first expansion bracket.
5. a kind of pair of drawing device as claimed in claim 4, which is characterized in that second locating part includes a hollow support
Plate, the hollow support plate include an annulus and three the second fixed frames；
Three second fixed frames include a connecting pin, and three second fixed frames are evenly arranged by the connecting pin
On the annulus, and three second fixed frames and the annulus are in the same plane, and the force side passes through the circle
Ring.
6. a kind of pair of drawing device as claimed in claim 5, which is characterized in that the connecting pin of three second fixed frames is opposite
One end be respectively provided with one second expansion bracket for adapting to various sizes of pipeline, setting one second is fixed on second expansion bracket
Bolt is for fixing second expansion bracket.
7. a kind of pair of drawing device as claimed in claim 5, which is characterized in that second locating part further includes a support frame,
Support frame as described above includes hollow ring and both ends are uniformly arranged on the connection structure on the hollow ring, the connection structure
Perpendicular to the plane where the hollow ring；
The hollow support plate and support frame as described above cooperate the other end to realize the fixed second pipe of limit.
8. a kind of pair of drawing device as described in claim 1, which is characterized in that the hook structure includes the first drag hook and the
Two drag hooks；
First drag hook and second drag hook include an annulus end and a latch closure end, the annulus end of first drag hook
Connect the latch closure end of second drag hook；
The latch closure end of first drag hook is detachably connected with first locating part, and the annulus end of second drag hook is as institute
State force side.
9. a kind of pair of drawing device as described in claim 1, which is characterized in that further include a force application part, the force application part
Act on the force side.
10. a kind of pair of drawing device as claimed in claim 9, which is characterized in that the force application part includes a chain block, institute
Chain block is stated to connect and act on the force side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216723.XA CN109296050A (en) | 2018-10-18 | 2018-10-18 | A kind of pair of drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216723.XA CN109296050A (en) | 2018-10-18 | 2018-10-18 | A kind of pair of drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296050A true CN109296050A (en) | 2019-02-01 |
Family
ID=65157240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811216723.XA Pending CN109296050A (en) | 2018-10-18 | 2018-10-18 | A kind of pair of drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296050A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0048307A1 (en) * | 1980-09-23 | 1982-03-31 | Ballast-Nedam Groep N.V. | Method and device for laying piping and piping laid by said method |
| JPH0861560A (en) * | 1994-08-26 | 1996-03-08 | Kubota Corp | Pipe joining device |
| JP2000018432A (en) * | 1998-06-30 | 2000-01-18 | Iizuka Doboku Kk | Tube inner face jointing jig |
| US6227765B1 (en) * | 1997-08-26 | 2001-05-08 | Kvaerner Oilfield Products A.S. | Pipeline device, a tool for the guide-in of a pipeline end and a method for the pull-in of a pipeline end |
| KR200370669Y1 (en) * | 2004-09-22 | 2004-12-23 | 홍석희 | Multifunctional and multipurpose apparatus for reinforcing the head of pile composed of little members |
| JP2005171526A (en) * | 2003-12-08 | 2005-06-30 | Sekisui Chem Co Ltd | Vertical pipe for sewage, and method for fixing it into manhole |
| JP3130175U (en) * | 2006-12-28 | 2007-03-15 | 株式会社北関東工業 | Pole foundation structure |
| JP2007285467A (en) * | 2006-04-19 | 2007-11-01 | Tetsuya Tanaka | Pipe centering tool |
| CN101788081A (en) * | 2010-03-26 | 2010-07-28 | 沈阳建筑大学 | Large diameter pipeline winter construction equipment and method thereof |
| WO2013181704A1 (en) * | 2012-06-05 | 2013-12-12 | Osprey Subsea Technical Solutions (Osts) Pty Ltd | Flange catching, aligning and closing tool |
| US20150165672A1 (en) * | 2013-12-18 | 2015-06-18 | Isco Industries, Inc. | Assembly and Method of Coupling Pipes |
| CN206504009U (en) * | 2017-02-08 | 2017-09-19 | 张英鹏 | Reinforced concrete sewer pipe abutting joint and the instrument of amendment |
| WO2017208280A1 (en) * | 2016-05-31 | 2017-12-07 | 川崎重工業株式会社 | Pipe support device and pipe centering device |
| CN207178885U (en) * | 2017-09-22 | 2018-04-03 | 宣城市政建设集团有限公司 | A kind of concrete bell-and-spigot pipe installs underwater pipeline stabilizing support frame |
| CN207406939U (en) * | 2017-09-22 | 2018-05-25 | 宣城市政建设集团有限公司 | Socket joint underwater pipeline stabilizing system is drawn in concrete drain pipeline |
| CN209511266U (en) * | 2018-10-18 | 2019-10-18 | 中交上海航道局有限公司 | A kind of assisted drainage pipeline connection construction to drawing device |
-
2018
- 2018-10-18 CN CN201811216723.XA patent/CN109296050A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0048307A1 (en) * | 1980-09-23 | 1982-03-31 | Ballast-Nedam Groep N.V. | Method and device for laying piping and piping laid by said method |
| JPH0861560A (en) * | 1994-08-26 | 1996-03-08 | Kubota Corp | Pipe joining device |
| US6227765B1 (en) * | 1997-08-26 | 2001-05-08 | Kvaerner Oilfield Products A.S. | Pipeline device, a tool for the guide-in of a pipeline end and a method for the pull-in of a pipeline end |
| JP2000018432A (en) * | 1998-06-30 | 2000-01-18 | Iizuka Doboku Kk | Tube inner face jointing jig |
| JP2005171526A (en) * | 2003-12-08 | 2005-06-30 | Sekisui Chem Co Ltd | Vertical pipe for sewage, and method for fixing it into manhole |
| KR200370669Y1 (en) * | 2004-09-22 | 2004-12-23 | 홍석희 | Multifunctional and multipurpose apparatus for reinforcing the head of pile composed of little members |
| JP2007285467A (en) * | 2006-04-19 | 2007-11-01 | Tetsuya Tanaka | Pipe centering tool |
| JP3130175U (en) * | 2006-12-28 | 2007-03-15 | 株式会社北関東工業 | Pole foundation structure |
| CN101788081A (en) * | 2010-03-26 | 2010-07-28 | 沈阳建筑大学 | Large diameter pipeline winter construction equipment and method thereof |
| WO2013181704A1 (en) * | 2012-06-05 | 2013-12-12 | Osprey Subsea Technical Solutions (Osts) Pty Ltd | Flange catching, aligning and closing tool |
| US20150165672A1 (en) * | 2013-12-18 | 2015-06-18 | Isco Industries, Inc. | Assembly and Method of Coupling Pipes |
| WO2017208280A1 (en) * | 2016-05-31 | 2017-12-07 | 川崎重工業株式会社 | Pipe support device and pipe centering device |
| CN206504009U (en) * | 2017-02-08 | 2017-09-19 | 张英鹏 | Reinforced concrete sewer pipe abutting joint and the instrument of amendment |
| CN207178885U (en) * | 2017-09-22 | 2018-04-03 | 宣城市政建设集团有限公司 | A kind of concrete bell-and-spigot pipe installs underwater pipeline stabilizing support frame |
| CN207406939U (en) * | 2017-09-22 | 2018-05-25 | 宣城市政建设集团有限公司 | Socket joint underwater pipeline stabilizing system is drawn in concrete drain pipeline |
| CN209511266U (en) * | 2018-10-18 | 2019-10-18 | 中交上海航道局有限公司 | A kind of assisted drainage pipeline connection construction to drawing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209511266U (en) | A kind of assisted drainage pipeline connection construction to drawing device | |
| US2922283A (en) | Excavation shoring devices | |
| CN108591612A (en) | A kind of ejector sleeve device | |
| CN206466916U (en) | A kind of pipe burying device of hydraulic engineering | |
| CN104912321B (en) | Steel truss formwork support structure for suspended structure and installing method of steel truss formwork support structure | |
| CN109296051A (en) | A kind of orbit movable retractable chute | |
| CN211054059U (en) | Prefabricated cement pipe die | |
| CN109296050A (en) | A kind of pair of drawing device | |
| CN107606307B (en) | A kind of transport of pipeline section, contra-aperture device and method | |
| CN104099932B (en) | A kind of underwater concrete filling pile pile crown abolish devices and methods therefor | |
| CN205636848U (en) | Former earthen backfill device | |
| CN208440205U (en) | A kind of piping lane prefabricated component lifting crane | |
| CN208237211U (en) | A kind of ejector sleeve device | |
| CN206329348U (en) | A kind of minitunnel lining trolley | |
| CN203392733U (en) | Pipeline hanging tool and engineering machinery | |
| CN109440818A (en) | A kind of sleiding form support frame | |
| CN208309575U (en) | A kind of fixed device of the main reinforcement of filling pile cage of reinforcement | |
| CN108560583B (en) | Cast-in-situ external mold device and movable support shield for urban pipe bag construction | |
| CN113108125B (en) | Auxiliary tool capable of enabling pipe joints to be tightly attached during drainage pipeline construction and using method | |
| CN209760877U (en) | Building wall reinforcing and supporting structure | |
| CN209308070U (en) | A kind of sleiding form support frame | |
| CN109185558A (en) | The method that a kind of major diameter GRP tube road is installed under water | |
| CN204867188U (en) | Crooked bar straightener of portable many function high tensile reinforcements at most | |
| CN206220956U (en) | A kind of inspection aperture apparatus for different pile foundation hole footpaths | |
| CN111853417A (en) | Repairing device and repairing method for drainage pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |