CN106759941A - Prefabricated part construction method using air pressure moving pin - Google Patents
Prefabricated part construction method using air pressure moving pin Download PDFInfo
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- CN106759941A CN106759941A CN201710095523.2A CN201710095523A CN106759941A CN 106759941 A CN106759941 A CN 106759941A CN 201710095523 A CN201710095523 A CN 201710095523A CN 106759941 A CN106759941 A CN 106759941A
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- pin
- hole
- component
- preformed
- holes
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 239000011083 cement mortar Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 229910000754 Wrought iron Inorganic materials 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4142—Elements with sockets with transverse hook- or loop-receiving parts
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
- E04B1/483—Shear dowels to be embedded in concrete
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a prefabricated part for moving a pin by utilizing air pressure and a construction method thereof, wherein the prefabricated part comprises the following components: the first member and the second member are oppositely arranged, a plurality of first pin holes are formed in the end part of the first member and extend towards the inside of the first member, and the first reserved holes are communicated with the first pin holes from the side surface of the first member; a plurality of second pin holes are formed in the end part of the second component and extend towards the interior of the second component, and the second reserved holes are communicated with the second pin holes from the side surface of the second component; the first pin holes and the second pin holes can be in one-to-one correspondence and are arranged coaxially and oppositely. The construction method comprises the steps of 1) inserting a shear pin into each first pin hole; 2) disposing the first member and the second member in opposition; 3) connecting an air compressor to a first preformed hole, and then generating high-pressure air by the air compressor to push the shear pin to move into the second pin hole; 4) and cement mortar is poured into the first pin hole and the second pin hole respectively through the first preformed holes and the second preformed holes.
Description
Technical field
The present invention relates to the shear connections construction between a kind of prefabricated assembled concrete component, more particularly to one kind is using empty
Press the prefabricated component and its construction method of moving pin.
Background technology
Precast reinforced concrete structure is one of important directions of China's building structure development, and it is conducive to China to build
Industrialized development, improve production efficiency energy saving develops Green environmental-protection building, and is conducive to improving and ensure to build work
Cheng Zhiliang.Compared with cast-in-situ construction method, assembled reinforced concrete structure is conducive to green construction, because fabricated construction can more meet green
The saving land of color construction, energy-conservation, section material, water saving and environmental protection etc. required, reduces the negative effect to environment, including reduction is made an uproar
Sound, airborne dust is prevented, environmental pollution, cleaning transport is reduced, is reduced place interference, saves water, electricity, resource and the energy such as material, abided by
Follow the principle of sustainable development.
In order to improve the globality between prefabricated concrete component, the make that its connecting structure is generally used
Have：Method one, prefabricated components end reserved steel bar, water after and component is linked to be into entirety by the way of seam；It is method two, prefabricated
Component leaves reserving hole channel, using the method for tensioned prestressing bar, component is linked to be into entirety；Method three, in prefabricated components one
Side reserved steel bar, reserving hole channel is left in its opposite side, is attached using anchoring adhesive；Method four, similar between tunnel duct piece
Using the reserving hole channel in rib of slab, section of jurisdiction is connected by high-strength bolt.
Using reserving rib, after water the technique of seam, increased the workload of poured in place concrete, be unfavorable for scene
Management and quality control；Using the connecting structure of presstressed reinforcing steel, it is adaptable to which span is big, the big structure of institute's bending moment；Using bar planting
Gemel connection, it is desirable to which installation accuracy is high, the installation to component brings certain difficulty；And the connecting structure of use high-strength bolt, more
Apply to the prefabricated components with rib of slab.
In view of the defect that above-mentioned existing prefabricated components connecting structure is present, the present inventor is based on being engaged in such product and sets
Meter manufacture abundant for many years practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found
The device and application method of pin member movement, improve the install convenient of prefabricated components in a kind of hole of new utilization pneumatics effect,
Usage safety performance, makes it have more practicality.By constantly research, design, and after studying sample repeatedly and improving, eventually
In creating the present invention that has practical value.
The content of the invention
It is a primary object of the present invention to, the limitation and defect for overcoming existing prefabricated components connecting structure to exist, and
The device and application method of pin member movement in a kind of hole of new utilization pneumatics effect are provided, the convenient of prefabricated components assembling is improved
Property, the economy of installation cost and increase installation component applicability, thus more suitable for practicality, and with the profit in industry
With value.
To reach above-mentioned purpose, a kind of technical scheme that the present invention is used for：A kind of prefabricated component of utilization pneumatics moving pin,
Including：The first component and second component being oppositely arranged, and the shear pin between first component and second component is arranged on, it is special
Levy and be,
Several the first pin-and-holes are provided with the end of first component and to extending inside it, each first pin-and-hole is correspondingly arranged on
At least one first preformed holes, the first preformed hole connects the first pin-and-hole from the side of first component；
Several the second pin-and-holes are provided with the end of second component and to extending inside it, each second pin-and-hole is correspondingly arranged on
At least one second preformed holes, the second preformed hole connects the second pin-and-hole from the side of second component；
Several first pin-and-holes can be corresponded with several second pin-and-holes and coaxial line is oppositely arranged.
In a preferred embodiment of the present invention, the shear pin end is arranged with sealing rubber ring.
In a preferred embodiment of the present invention, shear pin middle part periphery is provided with several spacer bars.
In a preferred embodiment of the present invention, three spacer bars are mutually circumferentially positioned at outside the alignment pin in 120 ° of angles
Week.
In a preferred embodiment of the present invention, first pin-and-hole is perpendicular to first preformed hole；Second pin-and-hole
Perpendicular to second preformed hole.
In a preferred embodiment of the present invention, each first pin-and-hole is correspondingly arranged on two the first preformed holes.
In a preferred embodiment of the present invention, the depth of second pin-and-hole be equal to the shear pin length two/
One, length of the first pin-and-hole depth more than the shear pin.
In a preferred embodiment of the present invention, at least one first preformed holes connect the lowermost end in the first pin-and-hole, at least
Lowermost end of one the second preformed hole connection in the second pin-and-hole.
In a preferred embodiment of the present invention, first pin-and-hole is correspondingly arranged two the first preformed holes, and one of them
One preformed hole connects the lowermost end of first pin-and-hole, and another first preformed hole connects the middle part of first pin-and-hole.
Another technical scheme that uses of the present invention for：A kind of construction method carried out for prefabricated component, it is characterised in that
Including following operating procedure：
（1）Shear pin is inserted into each first pin-and-hole, and the shear pin is entirely located in the first pin-and-hole；
（2）First component and second component are oppositely arranged, keep several first pin-and-holes and several second pin-and-holes can one
One correspondence and coaxial line is oppositely arranged；
（3）Air compressor is connected to one first preformed hole one by one, first preformed hole is connection the first pin-and-hole most bottom
First preformed hole at end, then air compressor produce pressure-air to promote shear pin to move in the second pin-and-hole, until all
Shear pin in first pin-and-hole is moved in corresponding second pin-and-hole；
（4）Cement bonded sand is poured into the first pin-and-hole and the second pin-and-hole by each first preformed hole and each second preformed hole respectively
Slurry, makes shear pin two ends be separately fixed in the first pin-and-hole and the second pin-and-hole.
In a preferred embodiment of the present invention, the step（3）In can by the second preformed hole observe shear pin whether
Move to precalculated position：If not observing that shear pin, i.e. shear pin are not moved to precalculated position from the second preformed hole bottom, need
Air compressor is wanted to re-blow again；If observing that shear pin, i.e. shear pin are moved to pre-determined bit from the second preformed hole bottom
Put.
In a preferred embodiment of the present invention, the one end of shear pin with sealing rubber ring is inserted into the first pin-and-hole.
The present invention carries out pin member is moved in hole prefabricated component and application method using pneumatics effect has following advantages：With biography
Attachment structure is compared between the prefabricated components of system, and the device of pin member movement is tied by optimizing in the hole of utilization pneumatics effect of the invention
Structure is designed, and promotes the pin member in duct to move to relevant position using pressure-air, fixed by injected hole cement injection mortar
Pin member position, realizes the effect of being cut of pin member.Pin member is provided with spacer bar, it is ensured that reinforcing bar is sufficiently wrapped up by cement mortar.
Sealing rubber ring is installed in the end of pin member, it is ensured that air pressure is applied in pin member.The great advantage of this connecting structure is,
After construction, precast construction is specious, prefabricated components convenience quick for installation, reduces the cost of installation.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples；
Fig. 1 is the overlooking the structure diagram of prefabricated component of the invention；
Fig. 2 is the side, sectional structural representation of prefabricated component of the invention；
Fig. 3 is the local overlooking structural representation of prefabricated component of the invention；
Fig. 4 is the structural representation of shear pin of the invention；
Fig. 5 be Fig. 4 in 1-1 to side view；
Fig. 6 be Fig. 4 in 2-2 to side view；
In figure：1st, the first pin-and-hole, the 2, second pin-and-hole, the 3, first preformed hole（Air admission hole）, the 4, first preformed hole（Steam vent, bleeding
Hole）, the 5, second preformed hole（Injected hole, steam vent）, 6, rod iron, 7, spacer bar, 8, sealing rubber ring, 9, air compressor.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, to according to this
Invent the device and application method and its specific embodiment of pin member movement in the hole of the utilization pneumatics effect for proposing, feature and its
Effect, describes in detail as after.
A kind of prefabricated component of utilization pneumatics moving pin, including：The first component and second component being oppositely arranged, and be arranged on
Shear pin between first component and second component, several the first pins are provided with the end of first component and to extending inside it
Hole 1, each first pin-and-hole 1 is correspondingly arranged on two the first preformed holes 3,4, and the first preformed hole 3,4 is from the side of first component
Connect the first pin-and-hole 1；Several the second pin-and-holes 2 are provided with the end of second component and to extending inside it, each second pin-and-hole 2
Second preformed hole 5 is correspondingly arranged on, the second preformed hole 5 connects the second pin-and-hole 2 from the side of second component；Several
One pin-and-hole 1 can be corresponded with several second pin-and-holes 2 and coaxial line is oppositely arranged.
Shear pin end is arranged with sealing rubber ring 8, and shear pin middle part periphery is provided with several spacer bars 7, three
Spacer bar 7 is mutually circumferentially positioned at alignment pin periphery in 120 ° of angles.
First pin-and-hole 1 is perpendicular to the first preformed hole 3,4；Second pin-and-hole 2 is perpendicular to the second preformed hole 5.
The depth of the second pin-and-hole 2 is equal to 1/2nd of shear pin length, length of the depth of the first pin-and-hole 1 more than shear pin
Degree.
First preformed hole 3 in two the first preformed holes 3,4 connects the lowermost end of the first pin-and-hole 1, and another first
Preformed hole 4 connects the middle part of the first pin-and-hole 1, and the second preformed hole 5 connects the lowermost end in the second pin-and-hole 2.
A kind of construction method carried out for prefabricated component, including following operating procedure：
（1）Shear pin is inserted into each first pin-and-hole 1, and shear pin is entirely located in the first pin-and-hole 1；
（2）First component and second component are oppositely arranged, keep several first pin-and-holes 1 and several second pin-and-holes 2 can
Correspond and coaxial line is oppositely arranged；
（3）Air compressor 9 is connected to one first preformed hole 3 one by one, first preformed hole 3 is the first most bottom of pin-and-hole 1 of connection
End the first preformed hole 3, then air compressor 9 produce pressure-air promote shear pin move in the second pin-and-hole 2, Zhi Daosuo
There is the shear pin in the first pin-and-hole 1 to move in corresponding second pin-and-hole 2；
（4）Water is poured into the first pin-and-hole 1 and the second pin-and-hole 2 by each first preformed hole 3,4 and each second preformed hole 5 respectively
Cement mortar, makes shear pin two ends be separately fixed in the first pin-and-hole 1 and the second pin-and-hole 2.
Step（3）In can by the second preformed hole 5 observe shear pin whether move to precalculated position：If pre- from second
5 bottoms of boxing out do not observe that shear pin, i.e. shear pin are not moved to precalculated position, it is necessary to air compressor 9 is re-blow again；If
Observe that shear pin, i.e. shear pin are moved to precalculated position from the bottom of the second preformed hole 5.Shear pin is carried into sealing rubber ring
8 one end is inserted into the first pin-and-hole 1.
Embodiment
The device moved as shown with pin member in the hole of pneumatics effect is included：First pin-and-hole 1, the second pin-and-hole 2, the
One preformed hole（Air admission hole）3, the first preformed hole（Steam vent, bleeding hole）4th, the second preformed hole（Injected hole, steam vent）5, rod iron
6, spacer bar 7, sealing rubber ring 8 and air compressor 9.
The apparatus main body moved using pin member in the hole of pneumatics effect is made up of preformed hole, pin-and-hole and pin member, wherein first
On the same line, the length of the first pin-and-hole 1 is 2.5L, the length of the second pin-and-hole 2 to axis between the pin-and-hole 2 of pin-and-hole 1 and second
It is L, the first pin-and-hole 1 and the second pin-and-hole 2 are horizontal hole；Vertical duct is by the first preformed hole（Air admission hole）3rd, the first preformed hole
（Steam vent, bleeding hole）4th, the second preformed hole（Injected hole, steam vent）5 totally three parts compositions, vertical duct and level are to duct
Perpendicular and insertion.Shear pin is made up of rod iron 6, spacer bar 7 and the part of sealing rubber ring 8 three, and its length is 2L.Rod iron
6 length is less than the length of the first pin-and-hole, to ensure that shear pin can be fully enclosed in the first pin-and-hole, facilitates prefabricated components
Install, it is ensured that shear pin is not collided in installation process.Sealing rubber ring 8 plays increase air drag, to ensure pin member 6
Promoted by pressure-air.The Main Function of spacer bar 7 has two, first, having faulting of slab ends between the first pin-and-hole and the second pin-and-hole
When, shearing pin end will not stop；Secondly, it is ensured that shear pin can fully be wrapped up by cement mortar, increase shear pin with
Globality between prefabricated components.
The making and use method of the device of pin member movement in a kind of hole of utilization pneumatics effect, including following operation step
Suddenly,
（1）Shear pin is prepared, the main part of shear pin is rod iron 6, and length is 2L, and caulking gum is provided with the end of rod iron
Circle 8, is welded with spacer bar 7 in the middle part of rod iron, and spacer bar 7 is constituted by three compared with fine steel rib, is arranged in 120 ° of angles；
（2）Make prefabricated components, and the pre-buried pre-buried duct of number row in prefabricated components（1）、（2）、（3）、（4）、（5）Totally 5 holes
Road；
（3）First piece prefabricated components are installed, and shear pin is installed to reserving hole channel with sealing rubber ring（1）In；
（4）A piece of prefabricated components under installation, and by duct（1）With duct（2）Alignment；
（5）The pressure-air produced using air compressor passes through duct（3）Shear pin is promoted, and pushes it to another duct
（2）In；
（6）By duct（5）Whether observation shear pin moves into place, and to mobile shear pin not in place, carries out secondary re-blowing；
（7）By duct（5）Cement mortar is poured into, shear pin is fixed in duct, other holes are blocked with mortar；
（8）Repeat the above steps, each shear pin of constructing successively.
The first pin-and-hole 1 is respectively provided with the invention is not restricted to first component one end in above-described embodiment, second component one end is set
The technical scheme of the second pin-and-hole 2, can also exist and extend below：
1. one end of same component sets the first pin-and-hole, and the other end sets the second pin-and-hole, and two different components are with difference
The end of pin-and-hole is mutually butted.
2. same one end of member X can simultaneously set two kinds of pin-and-holes, and such as the first pin-and-hole and the second pin-and-hole are arranged alternately in together
One end, as long as and the one end of member Y ensures that the first pin-and-hole in member X can be with the second of member Y the pin when being docked with member X
Hole coaxial line, while the second pin-and-hole in member X can be with the first pin-and-hole coaxial line of member Y.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when making a little change or modification using the technology contents of the disclosure above
It is the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to technical spirit of the invention
Any simple modification, equivalent variations and the modification made to above example, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of prefabricated component of utilization pneumatics moving pin, including：The first component and second component being oppositely arranged, and it is arranged on
Shear pin between one component and second component, it is characterised in that
Several the first pin-and-holes are provided with the end of first component and to extending inside it, each first pin-and-hole is correspondingly arranged on
At least one first preformed holes, the first preformed hole connects the first pin-and-hole from the side of first component；
Several the second pin-and-holes are provided with the end of second component and to extending inside it, each second pin-and-hole is correspondingly arranged on
At least one second preformed holes, the second preformed hole connects the second pin-and-hole from the side of second component；
Several first pin-and-holes can be corresponded with several second pin-and-holes and coaxial line is oppositely arranged.
2. the prefabricated component of utilization pneumatics moving pin according to claim 1, it is characterised in that：The shear pin end is arranged
There is sealing rubber ring.
3. the prefabricated component of utilization pneumatics moving pin according to claim 1, it is characterised in that：Shear pin middle part periphery
It is provided with several spacer bars.
4. the prefabricated component of utilization pneumatics moving pin according to claim 3, it is characterised in that：Three spacer bars are in mutually
120 ° of angles are circumferentially positioned at the alignment pin periphery.
5. the prefabricated component of utilization pneumatics moving pin according to claim 1, it is characterised in that：First pin-and-hole perpendicular to
First preformed hole；Second pin-and-hole is perpendicular to second preformed hole.
6. the prefabricated component of utilization pneumatics moving pin according to claim 1, it is characterised in that：Each first pin-and-hole is corresponded to
It is provided with two the first preformed holes.
7. the prefabricated component of utilization pneumatics moving pin according to claim 1, it is characterised in that：The depth of second pin-and-hole
Equal to 1/2nd of the shear pin length, length of the first pin-and-hole depth more than the shear pin.
8. the prefabricated component of utilization pneumatics moving pin according to claim 1, it is characterised in that：At least one first preformed holes
The lowermost end in the first pin-and-hole is connected, at least one second preformed holes connect the lowermost end in the second pin-and-hole.
9. a kind of construction method that prefabricated component described in any claim is carried out in 1-8 for claim, it is characterised in that bag
Include following operating procedure：
（1）Shear pin is inserted into each first pin-and-hole, and the shear pin is entirely located in the first pin-and-hole；
（2）First component and second component are oppositely arranged, keep several first pin-and-holes and several second pin-and-holes can one
One correspondence and coaxial line is oppositely arranged；
（3）Air compressor is connected to one first preformed hole one by one, first preformed hole is connection the first pin-and-hole most bottom
First preformed hole at end, then air compressor produce pressure-air to promote shear pin to move in the second pin-and-hole, until all
Shear pin in first pin-and-hole is moved in corresponding second pin-and-hole；
（4）Cement bonded sand is poured into the first pin-and-hole and the second pin-and-hole by each first preformed hole and each second preformed hole respectively
Slurry, makes shear pin two ends be separately fixed in the first pin-and-hole and the second pin-and-hole.
10. construction method according to claim 9, it is characterised in that：The step（3）In can be by the second preformed hole
Whether observation shear pin moves to precalculated position：If not observing that shear pin, i.e. shear pin are not moved from the second preformed hole bottom
Move to precalculated position, it is necessary to air compressor is re-blow again；If observing shear pin, i.e. shear pin from the second preformed hole bottom
It is moved to precalculated position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095523.2A CN106759941A (en) | 2017-02-21 | 2017-02-21 | Prefabricated part construction method using air pressure moving pin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095523.2A CN106759941A (en) | 2017-02-21 | 2017-02-21 | Prefabricated part construction method using air pressure moving pin |
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| CN106759941A true CN106759941A (en) | 2017-05-31 |
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|---|---|---|---|
| CN201710095523.2A Pending CN106759941A (en) | 2017-02-21 | 2017-02-21 | Prefabricated part construction method using air pressure moving pin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252431A (en) * | 2018-01-24 | 2018-07-06 | 浙江立鹏建设有限公司 | A kind of assembled wall and its construction method |
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| CN108252431B (en) * | 2018-01-24 | 2019-08-30 | 浙江立鹏建设有限公司 | A kind of assembled wall and its construction method |
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