CN105952151A - Preformed hole mold hanging device and construction method thereof - Google Patents
Preformed hole mold hanging device and construction method thereof Download PDFInfo
- Publication number
- CN105952151A CN105952151A CN201610465516.2A CN201610465516A CN105952151A CN 105952151 A CN105952151 A CN 105952151A CN 201610465516 A CN201610465516 A CN 201610465516A CN 105952151 A CN105952151 A CN 105952151A
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- China
- Prior art keywords
- pair
- die device
- fixation kit
- reserving hole
- card
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000003032 molecular docking Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 10
- 229920002943 EPDM rubber Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000168254 Siro Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
- E04G15/063—Re-usable forms
- E04G15/068—Re-usable forms for channels open towards the surface
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A hanging mould device for the reserved hole is composed of a pair of fixing units, a vertical pipe, a connecting rod passing through the space between each pair of U-shaped lugs and matched with the limiting nuts and clamping structures at both ends for fixing said fixing units together, and a pair of U-shaped lugs for linking said fixing units together The construction method is suitable for the construction of reserved holes of floor boards of various sizes of buildings, has a simple structure and flexible arrangement, and saves a large amount of construction measure cost.
Description
Technical field
The present invention relates to the realm of building construction, a kind of reserving hole for hydroelectric project pipeline hoisting die construction hangs die device and construction method thereof.
Background technology
It is all preformed plate hole that architectural engineering at present passes structural slab position when constructing agent structure at vertical duct, after vertical duct installation, mould second pouring concrete is being hung in this preformed plate hole, position, but due to when hanging mould simply simple employing in template be that the technique of steel wire simple coarse is constructed, no matter it is the biggest heavy discount from efficiency or construction quality, especially because hang mould quality problems because this position floor seepage deals with the most cumbersome.Tradition hangs mold technique, and its shortcoming is that technique is simple and crude, first template is carried out perforate, uses iron wire fixed form, casting cement mortar after perforate.Relatively time-consuming, take a lot of work, outward appearance is coarse.And the existing die worker's tool that hangs capable of circulation in market, its shortcoming is, the laminating degree of template and sleeve pipe is inadequate, sealing property it is impossible to ensure that, there is the situation of percolating water mud.Reserving for the hole at corner, the existing die worker of hanging has fixing wing bolt and fixes, and needs to change, the most convenient.When pour concrete vibrates, owing to the die worker's tool that hangs of two pieces of splicings can not fastened to each other correct, two pieces are hung the situations such as mould out-of-flatness, splicing seams spillage, casting concrete out-of-flatness.
Based on above description, need a kind of new reserving hole badly and hang die device, to solve present in prior art owing to two pieces are hung mould out-of-flatness, cause splicing seams spillage, and then cause the irregular problem of casting concrete.
Summary of the invention
It is an object of the invention to provide a kind of reserving hole and hang die device and construction method thereof, hang mould out-of-flatness with solve that existing building engineering exists due to two pieces, cause splicing seams spillage, and then cause the irregular problem of casting concrete.
For solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of reserving hole hangs die device, is made up of a pair fixation kit and connection fastening assembly, and wherein, described fixation kit splices ringwise relatively, including horizontal plate member with along the vertically disposed vertical plate of described horizontal plate member inner ring；Be respectively equipped with pair of U-shaped hangers at the both ends, outside of vertical plate, every pair of U-shaped hangers is correspondingly provided with, on parallel interval distribution, every pair of U-shaped hangers, the mounting groove vertically run through on vertical；Two pairs of U-shaped hangers adjacent after every pair of fixation kit splicing connect by connecting fastening assembly.
The mounting groove of two pairs of adjacent U-shaped hangers is arranged dorsad, and the cross section of described mounting groove is U-shaped.
Described connection fastening assembly is Elastic Bolts fastener, and including connecting rod and two stop nuts, two stop nuts are separately fixed at the two ends of described connecting rod, and the connecting rod between described stop nut is in series with two card junction structures and at least one elastomeric element.
Described connecting rod interval between every pair of U-shaped hangers successively passes and with the stop nut at two ends and card junction structure two fixation kits are mutually permanently connected.
Described card junction structure is slidably connected in connecting rod, in card junction structure is strip, column or tubulose, its vertically communicated mounting groove being connected to every pair of U-shaped hangers.
Described elastomeric element is spring, is connected to stop nut and between card junction structure.
At least one elongated, the chute of connection sealing strip it is horizontally disposed with on the medial surface of described vertical plate.
It is vertically installed with reinforcing ring along described horizontal plate member inner ring.
It is provided with correction card on one of them fixation kit of two fixation kit joints, one end of described correction card is fixed on the medial end of the reinforcing ring of this fixation kit, the other end is connected to the medial end of the reinforcing ring of another fixation kit when two fixation kits splice relatively, the design of correction card, it is achieved that the accurate docking of every pair of fixation kit.
The every pair of fixation kit is rectangular ring or circular rings relative to after splicing.
Described sealing strip is the adhesive tape of EPDM ethylene propylene diene rubber material, and the head end of its cross section is rounded, be positioned at the inner side of vertical plate, the chute of tail end and vertical plate agrees with, grafting with in chute.
Described fixation kit uses ABS plastic material to make.
A kind of construction method applying described reserving hole to hang die device, specifically comprises the following steps that
Step one, is clipped in every pair of fixation kit mirror image each other on the pipeline needing to carry out second pouring concrete preformed hole hole.
Step 2, utilizes correction card by every pair of fixation kit relative to splicing.
Step 3, regulates card junction structure, is connected to by card junction structure on the mounting groove of adjacent U-shaped hangers, completes fixation kit docking.
Step 4, carries out concreting.
Step 5, elasticity of compression parts make card junction structure depart from the mounting groove of U-shaped hangers, complete reserving hole and hang the dismounting of die device.
Having the beneficial effect that of this programme
nullThe reserving hole that this programme provides hangs die device and utilizes the held tight of a pair fixation kit and vertical duct，During use，It is clipped on the pipeline needing to carry out second pouring concrete preformed hole hole two fixation kit mirror images each other，When two fixation kits splice relatively，The connecting rod connecting fastening assembly sequentially passes through adjacent two couple U-shaped hangers，Then coordinate the stop nut at two ends and elastomeric element by fixed with each other for two fixation kits，In this structure，The every pair of U-shaped hangers be connecting rod provide one vertical on spacing，Simultaneously mounting groove be card junction structure provide in level spacing，Both coordinate realization to hang the compact siro spinning technology between die device and vertical duct，And undertake top second pouring concrete active force by the rigidity of self and intensity，So sealing property is the best，Cement mortar will not seepage，Construction surface is smooth bright and clean，Improve construction quality，Later stage is without putting into labor cleaning again；Construction can not only be solved and hang mould requirement, and be not required to pre-buried any material, do not destroy building structure, conveniently tear down and reconstruct, can repeatedly have enough to meet the need use, adapt to building sizes floorboard reserved opening construction, simple in construction, flexible arrangement, saving a large amount of working measure expense.
Accompanying drawing explanation
Fig. 1 be the reserving hole that the present invention provides hang die device be in disassembled form axle survey view.
Fig. 2 be the reserving hole that the present invention provides hang die device be in assembled state axle survey view.
Fig. 3 is that the reserving hole that the present invention provides hangs die device and is in the top view of disassembled form.
Fig. 4 is that the reserving hole that the present invention provides hangs die device and is in the top view of assembled state.
Fig. 5 is the front view that the reserving hole that the present invention provides hangs die device.
Fig. 6 is the right view that the reserving hole that the present invention provides hangs die device.
Fig. 7 is the inner section that the reserving hole that the present invention provides hangs die device.
Fig. 8 is the partial enlarged drawing that the reserving hole that the present invention provides hangs die device.
Fig. 9 is that the reserving hole that the present invention provides hangs the sealing strip of die device and the attachment structure schematic diagram of vertical plate.
Figure 10 is the use view that the reserving hole that the present invention provides hangs die device.
Figure 11 is the attachment structure schematic diagram that the reserving hole that the present invention provides hangs die device and pipeline.
Figure 12 is the attachment structure schematic diagram that the reserving hole that the present invention provides hangs die device and reserved opening.
Figure 13 is that the reserving hole that the present invention provides hangs die device use state cross-sectional view.
Reference:
1-horizontal plate member；The vertical plate of 2-；3-U shape hangers；4-connects fastening assembly；5-reinforcing ring；6-correction card；7-sealing strip；8-pipeline；9-hole；10-agent structure；
31-mounting groove；
41-stop nut；42-card junction structure；43-elastomeric element.
Detailed description of the invention
Combine accompanying drawing below by specific embodiment the present invention is described in further detail.
As shown in Figures 1 to 9, this reserving hole hangs die device, is made up of a pair fixation kit and connection fastening assembly, and wherein, described fixation kit splices ringwise relatively, including horizontal plate member 1 with along the vertically disposed vertical plate 2 of described horizontal plate member inner ring；Be respectively equipped with pair of U-shaped hangers 3 at the both ends, outside of vertical plate, every pair of U-shaped hangers is correspondingly provided with, on parallel interval distribution, every pair of U-shaped hangers, the mounting groove 31 vertically run through on vertical；Two pairs of U-shaped hangers 31 adjacent after every pair of fixation kit splicing connect by connecting fastening assembly 4.
Shown in Figure 8, the mounting groove of two pairs of adjacent U-shaped hangers is arranged dorsad, and the cross section of described mounting groove is U-shaped.
Shown in Figure 8, described connection fastening assembly 4 is Elastic Bolts fastener, including connecting rod and two stop nuts 41, two stop nuts 41 are separately fixed at the two ends of described connecting rod, and the connecting rod between described stop nut 41 is in series with two card junction structures 42 and at least one elastomeric element 43.
When using reserving hole to hang die device, two fixation kit mirror images each other are clipped on the pipeline needing to carry out second pouring concrete preformed hole hole, connected fixing for two fixation kits by two connecting rods, and connecting rod also simultaneously works as preventing the effect of fixation kit edge deformation.Described connecting rod interval between every pair of U-shaped hangers successively passes and with the stop nut at two ends and card junction structure two fixation kits are mutually permanently connected；Described card junction structure is slidably connected in connecting rod, in card junction structure is strip, column or tubulose, its vertically communicated mounting groove being connected to every pair of U-shaped hangers；Described elastomeric element is spring, is connected to stop nut and between card junction structure.
At least one elongated, the chute of connection sealing strip 7 it is horizontally disposed with on the medial surface of described vertical plate.Described sealing strip 7 is the adhesive tape of EPDM ethylene propylene diene rubber material, the head end of its cross section is rounded, be positioned at the inner side of vertical plate, the chute of tail end and vertical plate agrees with, grafting with in chute, it is convenient to change, also there is excellent elastic and incompressible morphotropism, asepsis environment-protecting, excellent physiological inertia.But the material of adhesive tape is not limited to EPDM, it is also possible to for other material.
It is vertically installed with reinforcing ring along described horizontal plate member inner ring, it is provided with correction card on one of them fixation kit of two fixation kit joints, one end of described correction card is fixed on the medial end of the reinforcing ring of this fixation kit, the other end is connected to the medial end of the reinforcing ring of another fixation kit when two fixation kits splice relatively, the design of correction card, it is achieved that the accurate docking of every pair of fixation kit.
The every pair of fixation kit is rectangular ring or circular rings relative to after splicing；Described fixation kit uses ABS plastic material to make.
This reserving hole hangs die device and is applicable to the construction of reserved holes of pipes closure second pouring concrete form, and the closure of pipeline hole.During use, two fixation kit mirror images each other are clipped on the pipeline needing to carry out second pouring, below specifically used flow process are described:
See shown in Figure 10 to Figure 13, step one, every pair of fixation kit mirror image each other is clipped on the pipeline needing to carry out second pouring concrete preformed hole hole, wherein the plane of fixation kit is upwards close to underfloor surface and is stuck on pipe.
Step 2, utilizes correction card by every pair of fixation kit relative to splicing.
Step 3, connects fastening assembly and is tightened together by fixation kit: regulates card junction structure, be connected to by card junction structure on the mounting groove of adjacent U-shaped hangers, completes fixation kit docking.
Step 4, carries out concreting: after installation from reserved hole 9, pour into concrete, be compacted floating.
Step 5, after concrete setting, trip spring connects fastening assembly, takes off reserving hole and hangs die device: elasticity of compression parts make card junction structure depart from the mounting groove of U-shaped hangers, complete reserving hole and hang the dismounting of die device.
The reserving hole using this programme to provide hangs die device and has the advantages that
1, speed of application is fast, and construction procedure is simple, quick and easy for installation, improves efficiency of construction times, saves artificial.
2, sealing property is the best, cement mortar will not seepage, construction surface is smooth bright and clean, improves construction quality, and the later stage is without putting into labor cleaning etc. again.
3, reserving hole hangs die device and ABS plastic material, ABS plastic material, its impact resistance, chemical proofing and excellent electrical properties, the features such as product size stable is preferably used, and can repeatedly use, indeformable, the most aging, saves material.
4, due to pre-buried without iron wire between fixation kit inwall and concrete, concrete setting i.e. collapsible die, fixation kit can be recycled.
The structure of described mounting groove 31 is not limited to such scheme, following proposal can also be used: described mounting groove 3131 is circular groove, the two ends of two stop nuts 41 or connecting rod are respectively arranged with the manhole corresponding with the circular groove of respective side, by running through the screw of the most corresponding circular groove and manhole by fixed with each other for two fixation kits.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a reserving hole hangs die device, it is characterized in that: be made up of a pair fixation kit and connection fastening assembly, wherein, described fixation kit splices ringwise relatively, including horizontal plate member (1) with along the vertically disposed vertical plate of described horizontal plate member inner ring (2)；Be respectively equipped with pair of U-shaped hangers (3) at the both ends, outside of vertical plate (2), every pair of U-shaped hangers (3) is correspondingly provided with, on parallel interval distribution, every pair of U-shaped hangers (3), the mounting groove (31) vertically run through on vertical；Two pairs of U-shaped hangers (3) adjacent after every pair of fixation kit splicing connect by connecting fastening assembly (4).
Reserving hole described in 1 hangs die device the most as requested, it is characterised in that: the mounting groove (31) of two pairs of adjacent U-shaped hangers (3) is arranged dorsad, and the cross section of described mounting groove (31) is U-shaped.
Reserving hole described in 2 hangs die device the most as requested, it is characterized in that: described connection fastening assembly (4) is Elastic Bolts fastener, including connecting rod and two stop nuts (41), two stop nuts (41) are separately fixed at the two ends of described connecting rod, and the connecting rod between described stop nut (41) is in series with two card junction structures (42) and at least one elastomeric element (43).
Reserving hole described in 3 hangs die device the most as requested, it is characterised in that: described connecting rod interval between every pair of U-shaped hangers (3) successively passes and with the stop nut (41) at two ends and card junction structure (42) two fixation kits are mutually permanently connected.
Reserving hole described in 4 hangs die device the most as requested, it is characterized in that: described card junction structure (42) is slidably connected in connecting rod, in card junction structure (42) is strip, column or tubulose, its vertically communicated mounting groove (31) being connected to every pair of U-shaped hangers (3).
Reserving hole described in 5 hangs die device the most as requested, it is characterised in that: described elastomeric element (43) is spring, is connected between stop nut (41) and card junction structure (42).
Reserving hole described in 1 to 6 any one hangs die device the most as requested, it is characterised in that: it is horizontally disposed with at least one elongated, the chute of connection sealing strip (7) on the medial surface of described vertical plate (2).
Reserving hole the most according to claim 7 hangs die device, it is characterised in that: it is vertically installed with reinforcing ring (5) along described horizontal plate member inner ring.
Reserving hole the most according to claim 8 hangs die device, it is characterized in that: on one of them fixation kit of two fixation kit joints, be provided with correction card (6), one end of described correction card (6) is fixed on the medial end of the reinforcing ring (5) of this fixation kit, and the other end is connected to the medial end of the reinforcing ring (5) of another fixation kit when two fixation kits splice relatively.
10. apply the construction method that the reserving hole described in claim 9 hangs die device for one kind, it is characterised in that specifically comprise the following steps that
Step one, is clipped in every pair of fixation kit mirror image each other on the pipeline needing to carry out second pouring concrete preformed hole hole；
Step 2, utilizes correction card (6) by every pair of fixation kit relative to splicing；
Step 3, regulates card junction structure (42), is connected to by card junction structure (42) on the mounting groove (31) of adjacent U-shaped hangers (3), completes fixation kit docking；
Step 4, carries out concreting；
Step 5, elasticity of compression parts (43) make card junction structure (42) depart from the mounting groove (31) of U-shaped hangers (3), complete reserving hole and hang the dismounting of die device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465516.2A CN105952151B (en) | 2016-06-24 | 2016-06-24 | Preformed hole mold hanging device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465516.2A CN105952151B (en) | 2016-06-24 | 2016-06-24 | Preformed hole mold hanging device and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952151A true CN105952151A (en) | 2016-09-21 |
| CN105952151B CN105952151B (en) | 2018-01-05 |
Family
ID=56903701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610465516.2A Expired - Fee Related CN105952151B (en) | 2016-06-24 | 2016-06-24 | Preformed hole mold hanging device and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952151B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246147A (en) * | 2017-07-26 | 2017-10-13 | 中建六局土木工程有限公司 | A kind of method of vertical duct sealing hole |
| CN116575704A (en) * | 2023-05-17 | 2023-08-11 | 中国十七冶集团有限公司 | Portable sleeve lifting die combined device and use method |
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|---|---|---|---|---|
| JP2003074183A (en) * | 2001-09-06 | 2003-03-12 | Senji Yamashita | Implement and method for forming vertical hole for inserting piping |
| CN2539797Y (en) * | 2002-04-11 | 2003-03-12 | 陈伟明 | Special-purpose clamping mould for fast blocking-up provided pipe hole |
| CN201080700Y (en) * | 2007-07-26 | 2008-07-02 | 邢进良 | Pipeline reserved hole dedicated pouring chuck |
| CN201206331Y (en) * | 2008-04-22 | 2009-03-11 | 王步有 | Pipeline packaging mold |
| CN102127968A (en) * | 2011-01-17 | 2011-07-20 | 湖南省第五工程有限公司 | Method for grouting floor slab bushing hole reservation preembedding die and grouting die |
| JP2015010342A (en) * | 2013-06-27 | 2015-01-19 | 株式会社創考テクノ | Shielding tool and manufacturing method of composite structure |
| CN205857714U (en) * | 2016-06-24 | 2017-01-04 | 中国建筑第二工程局有限公司 | Preformed hole hangs mould device |
-
2016
- 2016-06-24 CN CN201610465516.2A patent/CN105952151B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074183A (en) * | 2001-09-06 | 2003-03-12 | Senji Yamashita | Implement and method for forming vertical hole for inserting piping |
| CN2539797Y (en) * | 2002-04-11 | 2003-03-12 | 陈伟明 | Special-purpose clamping mould for fast blocking-up provided pipe hole |
| CN201080700Y (en) * | 2007-07-26 | 2008-07-02 | 邢进良 | Pipeline reserved hole dedicated pouring chuck |
| CN201206331Y (en) * | 2008-04-22 | 2009-03-11 | 王步有 | Pipeline packaging mold |
| CN102127968A (en) * | 2011-01-17 | 2011-07-20 | 湖南省第五工程有限公司 | Method for grouting floor slab bushing hole reservation preembedding die and grouting die |
| JP2015010342A (en) * | 2013-06-27 | 2015-01-19 | 株式会社創考テクノ | Shielding tool and manufacturing method of composite structure |
| CN205857714U (en) * | 2016-06-24 | 2017-01-04 | 中国建筑第二工程局有限公司 | Preformed hole hangs mould device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246147A (en) * | 2017-07-26 | 2017-10-13 | 中建六局土木工程有限公司 | A kind of method of vertical duct sealing hole |
| CN116575704A (en) * | 2023-05-17 | 2023-08-11 | 中国十七冶集团有限公司 | Portable sleeve lifting die combined device and use method |
| CN116575704B (en) * | 2023-05-17 | 2024-04-16 | 中国十七冶集团有限公司 | Portable sleeve lifting die combined device and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952151B (en) | 2018-01-05 |
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Granted publication date: 20180105 |