CN109057507A - A kind of inserted overturn-preventing limiting device of mast lifting construction and its construction method - Google Patents
A kind of inserted overturn-preventing limiting device of mast lifting construction and its construction method Download PDFInfo
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- CN109057507A CN109057507A CN201810968317.2A CN201810968317A CN109057507A CN 109057507 A CN109057507 A CN 109057507A CN 201810968317 A CN201810968317 A CN 201810968317A CN 109057507 A CN109057507 A CN 109057507A
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- limiting device
- overturn
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- arc panel
- construction
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- 238000010276 construction Methods 0.000 title claims abstract description 78
- 239000010410 layer Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 7
- 239000003351 stiffener Substances 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 4
- 235000014121 butter Nutrition 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012552 review Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of inserted overturn-preventing limiting device of mast lifting construction and its construction methods; the limiting device includes square floor, arc panel, wrapping layer and protective layer; arc panel is arranged on square floor upper surface, one group of opposite side, and two of arc panel are fixedly connected between end and bottom plate；Arc panel lateral surface is equipped with wrapping layer, and wrapping layer lateral surface coats matcoveredn.Arc panel is the first arc panel or the second arc panel；First arc panel is in arc-shaped, and centering angle is 0-180 °；Second arc panel is U-shaped.Wrapping layer is engineering plastic alloy plate.It is the configuration of the present invention is simple, ingenious in design, it is easy to make, there is universality.Construction safety and installation quality is effectively guaranteed in the laying of inserted overturn-preventing limiting device, also saves construction cost.This construction method can avoid in the towering steel mast construction of existing television tower frequently in " upside-down method of hull-section construction " lifting construction technique, there is the case where steel mast center of gravity promotes suspension centre top partially.
Description
Technical field
The present invention relates to mast technical field of auxiliary equipment, in particular to a kind of inserted overturn-preventing limit of mast lifting construction
Position device and its construction method.
Background technique
The installation of television tower steel mast in recent years has been used widely using lifting construction technique, construction technology also day
Beneficial mature, tower crane steel mast is inserted into certain length in concrete mast cylinder, generally uses upside-down method of hull-section construction lifting construction.
But works as and encounter special circumstances, such as each section of steel mast is segmented fliping lifting certain altitude in concrete mast cylinder
Afterwards, then the docking weld bond welding of adjacent segment steel mast is carried out, assembles steel mast from top to down, it is whole to promote lifting after forming entirety
To design height, is shunk since steel mast sectional dimension can exist, cause the focus point for being segmented mast to be higher than hoist point, will be present
Hidden danger of toppling influences installation quality.
Summary of the invention
The object of the present invention is to provide a kind of inserted overturn-preventing limiting device of mast lifting construction and its construction methods,
It solves current lifting construction technique middle mast center of gravity to be promoted partially above suspension centre, is easy to appear mast and significantly deflection, steel occurs
It is not able to maintain the vertical problem of vertical straight after mast insertion concrete barrel.
To achieve the above object, the present invention adopts the following technical scheme: an aspect of of the present present invention provides a kind of mast promotion
It constructs inserted overturn-preventing limiting device, which includes square floor 3, arc panel, wrapping layer 6 and protective layer 7, described
Arc panel has two pieces and is separately positioned on one group of opposite side of square floor 3, two ends of the arc panel and bottom plate 3 it
Between be fixedly connected；Arc panel lateral surface is equipped with wrapping layer 6, is connected between arc panel and wrapping layer 6 by anchor bolt 12；Package
6 lateral surface of layer are coated with lubrication protection layer 7.
Further, arc panel is the first arc panel 4 or the second arc panel 13；First arc panel 4 is in arc-shaped, centering angle
It is 0-180 °；Second arc panel 13 is U-shaped.
Further, wrapping layer 6 is engineering plastic alloy plate.
Further, which further includes the first stiffener 10；At least three pieces of first stiffener 10 and it is parallel between
Every setting in two pieces of arc panel medial surfaces.
Further, which further includes the second stiffener 11；The fitting of second stiffener 11 is arranged on the inside of arc panel
Face.
Further, the lubrication protection layer 7 is butter layer.
Another aspect of the present invention provides the concrete mast for having the inserted overturn-preventing limiting device of mast lifting construction
The limit of the overturn-preventing on 9 inner wall of concrete mast cylinder is arranged in including concrete mast cylinder 9 and by expansion bolt 5 in cylinder
Position device；
The first square hole is offered at the top of concrete mast cylinder 9,9 bottom of concrete mast cylinder offers the second square hole,
It is the square hole of continuous variable cross section between first square hole and the second square hole；
Side length of the side length of first square hole less than the second square hole.
Further, at least two groups of overturn-preventing limiting device, first group of overturn-preventing limiting device circumferential direction uniform intervals setting
In 9 inner wall of concrete mast cylinder, close to the side of the first square hole；Second group of overturn-preventing limiting device circumferential direction uniform intervals is set
It sets in 9 inner wall of concrete mast cylinder, close to the side of the second square hole.
The present invention also provides the above-mentioned concrete mast cylinders with the inserted overturn-preventing limiting device of mast lifting construction
Construction method, specific step is as follows for construction method:
Step 1, each floor in 9 center of concrete mast cylinder underface promote the review of channel dimension of opening；
Step 2,9 intensity detection of concrete mast cylinder meet design requirement；
Step 3 positions the installation site of overturn-preventing limiting device in 9 inner wall four sides surveying setting-out of concrete mast cylinder；
Step 4 punches in the installation site of overturn-preventing limiting device and installs expansion bolt 5；
Step 5 assembles overturn-preventing limiting device；
Overturn-preventing limiting device assembled in step 5 expansion bolt 5 is fixed to unwrapping wire installation site by step 6；
Step 7, the assembling of segmentation steel mast 8 and welding, lifting construction and monitoring.
Further, step 5 specifically:
First, the drill bolt hole on square plate bottom plate 3；
Second, at least three piece of first stiffener 10 is welded on the medial surface of two pieces of arc panels；Between first stiffener 10 mutually
Parallel interval setting；
Third welds the second stiffener 11 in arc panel medial surface；
4th, arc panel is welded on square plate bottom plate 3；
5th, the sub-assembly lateral surface obtained in the 4th step wraps up one layer of engineering plastic alloy plate；
6th, smear protective layer 7；
7th, after quality inspection, for use.
The beneficial effects of the present invention are embodied in:
1, a kind of inserted overturn-preventing limiting device of mast lifting construction provided by the invention and its construction method, structure is simple,
Ingenious in design, production and installation are easy.Construction safety and installation is effectively guaranteed in the laying of inserted overturn-preventing limiting device
Quality also saves construction cost.
2, a kind of inserted overturn-preventing limiting device of mast lifting construction provided by the invention and its construction method have
Preferable universality.Arc panel can be the first arc panel of arc-shaped that centering angle is 0-180 °, or U-shaped second arc
Plate.Arc panel can be such that overturn-preventing limiting device adapts to, and concrete mast cylinder both ends aperture difference is big and duct internal diameter
Diverse situation.
3, the advantage of a kind of inserted overturn-preventing limiting device of mast lifting construction and its construction method is, first, it mixes
Solidifying soil mast barrel lenght is unlimited, can position the design installation site of multiple groups overturn-preventing limiting device in advance in construction；The
Two can assemble the inserted overturn-preventing limiting device of lifting construction according to the actual size of concrete mast cylinder upper and lower part
In arc panel.To guarantee to topple after steel mast is inserted into, it is able to maintain straight state, and then guarantee integral construction quality.
4, a kind of inserted overturn-preventing limiting device of mast lifting construction provided by the invention and its construction method can be with
Effectively avoid steel mast center of gravity occur frequently in " upside-down method of hull-section construction " lifting construction technique in the towering steel mast construction of existing television tower
The case where being promoted above suspension centre partially.Guarantee steel mast maximum held stationary of energy under eccentric state, in concrete mast
The problem of inside setting overturn-preventing limiting device, targetedly significantly deflection occurs for prevention steel mast.Guaranteeing to construct
While safety and construction quality, construction efficiency and job scheduling are improved.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification
It is clear that understand through the implementation of the invention.The main object of the present invention and further advantage can be by specifications, power
Specifically noted scheme is achieved and obtained in sharp claim.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the facade section of overturn-preventing limiting device use state of the present invention.
Fig. 2 is the overturn-preventing limiting device plan cross-sectional schematic diagram of A-A of the present invention.
Fig. 3 is the overturn-preventing limiting device plan cross-sectional schematic diagram of B-B of the present invention.
Fig. 4 is the 1# limiting device detail drawing of embodiment 1.
Fig. 5 is the 2# limiting device detail drawing of embodiment 2.
Fig. 6 is the planar structure schematic diagram of embodiment 1.
Appended drawing reference: 1-1# limiting device, 2-2# limiting device, 3- bottom plate, the first arc panel of 4-, 5- expansion bolt,
6- wrapping layer, 7- protective layer, 8- steel mast, 9- concrete mast cylinder, the first stiffener of 10-, the second stiffener of 11-, 12- anchor
Fixing bolt, the second arc panel of 13-.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is only exemplary,
It is only capable of for explanation and illustration technical solution of the present invention, and the limitation to technical solution of the present invention cannot be construed to.
Embodiment 1
As shown in figs. 4 and 6, the present invention provides a kind of inserted overturn-preventing limiting device of mast lifting construction, the limiting device packet
Include square floor 3, the first arc panel of arc-shaped 4, wrapping layer 6 and the protective layer 7 that centering angle is 0-180 °, first arc panel
4 are arranged on one group of opposite side of square floor 3, are welded and fixed between two ends of first arc panel 4 and bottom plate 3；The
One arc panel, 4 lateral surface is equipped with wrapping layer 6, and the medial surface of two piece of first arc panel 4 is welded with the first stiffener 10；First puts more energy into
The setting of at least three pieces of plate 10 and parallel interval is on two piece of first 4 medial surface of arc panel.Overturn-preventing provided by the invention
Limiting device can also be bonded the second stiffener 11 of setting in 4 medial surface of the first arc panel.Wrapping layer 6 is engineering plastic alloy plate
Its lateral surface is coated with butter protective layer 7.By the overturn-preventing limit for the first arc panel of arc-shaped 4 for being 0-180 ° containing centering angle
Device is named as 1# limiting device 1.
Embodiment 2
It is shown in Figure 5, a kind of inserted overturn-preventing limiting device of mast lifting construction, with embodiment 1, the difference is that:
The arc panel is U-shaped.It is welded and fixed between two ends of U-shaped second arc panel 13 and bottom plate 3.U-shaped second arc will be contained
The overturn-preventing limiting device of shape plate 13 is named as 2# limiting device 2.
The inserted overturn-preventing limiting device of Examples 1 and 2 mast lifting construction, structure is simple, ingenious in design, production and peace
Dressing is easy, has preferable universality.Construction safety and installation is effectively guaranteed in the laying of inserted overturn-preventing limiting device
Quality also saves construction cost.Arc panel can be the first arc panel of arc-shaped 4 that centering angle is 0-180 °, arc panel
It can be U-shaped second arc panel 13.Different types of arc panel can make overturn-preventing limiting device adapt to concrete mast cylinder
9 both ends aperture difference of body is big and the diverse situation in duct.
Embodiment 3
As shown in Figure 1, Figure 2, Figure 3 shows, another aspect of the present invention is provided with the inserted overturn-preventing limit dress of mast lifting construction
The overturn-preventing on cylinder inboard wall is arranged in including concrete mast cylinder 9 and by expansion bolt 5 for the concrete mast cylinder set
Limiting device；The first square hole is offered at the top of concrete mast cylinder 9,9 bottom of concrete mast cylinder offers second party
Shape hole is the square hole of continuous variable cross section between the first square hole and the second square hole；The side length of first square hole is less than
The side length of two square holes.
At least two groups of overturn-preventing limiting device, first group of overturn-preventing limiting device circumferential direction is disposed in an evenly spaced relation in concrete
9 inner wall of mast cylinder, the side close to the first square hole；Second group of overturn-preventing limiting device circumferential direction is disposed in an evenly spaced relation in coagulation
Native 9 inner wall of mast cylinder, the side close to the second square hole.First group of overturn-preventing limiting device can be by 1# limiting device 1
Composition；Second group of overturn-preventing limiting device can be made of 2# limiting device 2.
The advantage of concrete mast cylinder with the inserted overturn-preventing limiting device of mast lifting construction is, first,
8 length of steel mast is unlimited, can position the design installation site of multiple groups overturn-preventing limiting device in advance in construction；Second can be with
According to the arc in the actual size assembling inserted overturn-preventing limiting device of lifting construction of 9 upper and lower part of concrete mast cylinder
Shape plate.To guarantee to topple after steel mast 8 is inserted into, it is able to maintain straight state.Guarantee integral construction quality.
When the section in the duct in concrete mast cylinder 9 is round or ellipse, offer of the present invention can be used
Overturn-preventing limiting device, it is only necessary to once by 3 simmering and bending of bottom plate.
The construction method of the above-mentioned concrete mast cylinder with the inserted overturn-preventing limiting device of mast lifting construction, step
It is rapid as follows:
Step 1, each floor in 9 center of concrete mast cylinder underface promote the review of channel dimension of opening；
Step 2,9 intensity detection of concrete mast cylinder meet design requirement；
Step 3 positions the installation site of overturn-preventing limiting device in 9 inner wall four sides surveying setting-out of concrete mast cylinder；
Step 4 punches in the installation site of overturn-preventing limiting device and installs expansion bolt 5；
Step 5 assembles overturn-preventing limiting device, and specific assembling steps are as follows:
First, the drill bolt hole on square plate bottom plate 3；
Second, at least three piece of first stiffener 10 is welded on the medial surface of two pieces of arc panels；Between first stiffener 10 mutually
Parallel interval setting；
Third welds the second stiffener 11 in arc panel medial surface；
4th, arc panel is welded on square plate bottom plate 3；
5th, the sub-assembly lateral surface obtained in the 4th step wraps up one layer of engineering plastic alloy plate；
6th, smear protective layer 7；
7th, after quality inspection, for use.
Overturn-preventing limiting device assembled in step 5 expansion bolt 5 is fixed to unwrapping wire installation site by step 6；
Step 7, the assembling of segmentation steel mast 8 and welding, lifting construction and monitoring.
The inserted overturn-preventing limiting device of lifting construction provided by the invention and its construction method, it is possible to prevente effectively from existing
Suspension centre is promoted partially frequently in " upside-down method of hull-section construction " lifting construction technique, there is 8 center of gravity of steel mast in television tower towering steel mast 8 construction
The case where top.Guarantee the maximum held stationary of energy under eccentric state of steel mast 8, is arranged inside concrete mast anti-
The problem of topple limiting device, targetedly prevents steel mast 8 that significantly deflection occurs.Guaranteeing construction safety and building
While quality, construction efficiency and job scheduling are improved.
The foregoing is merely the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
The change or replacement that anyone skilled in the art is expected in the technical scope disclosed by the present invention should all be contained
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of inserted overturn-preventing limiting device of mast lifting construction, it is characterised in that: the limiting device includes square floor
(3), arc panel, wrapping layer (6) and protective layer (7), the arc panel have two pieces and are separately positioned on the one of square floor (3)
On group opposite side；Arc panel lateral surface is equipped with wrapping layer (6), is connect between arc panel and wrapping layer (6) by anchor bolt (12)；
Wrapping layer (6) lateral surface is coated with lubrication protection layer (7).
2. a kind of inserted overturn-preventing limiting device of mast lifting construction as described in claim 1, which is characterized in that arc panel
For the first arc panel (4) or the second arc panel (13)；First arc panel (4) is in arc-shaped, and centering angle is 0-180 °；Second arc
Shape plate (13) is U-shaped.
3. a kind of inserted overturn-preventing limiting device of mast lifting construction as described in claim 1, which is characterized in that wrapping layer
It (6) is engineering plastic alloy plate.
4. a kind of inserted overturn-preventing limiting device of mast lifting construction as described in claim 1, which is characterized in that the limit
Device further includes the first stiffener (10)；The setting of at least three pieces of first stiffener (10) and parallel interval is in two pieces of arcs
Plate medial surface.
5. a kind of inserted overturn-preventing limiting device of mast lifting construction as described in claim 1, which is characterized in that the limit
Device further includes the second stiffener (11)；Second stiffener (11) fitting is arranged in arc panel medial surface.
6. a kind of inserted overturn-preventing limiting device of mast lifting construction as described in claim 1, which is characterized in that the profit
Sliding protective layer (7) are butter layer.
7. having the concrete mast of the inserted overturn-preventing limiting device of mast lifting construction as claimed in any one of claims 1 to 6
Bar cylinder, which is characterized in that be arranged including concrete mast cylinder (9) and by expansion bolt (5) in concrete mast cylinder
(9) the overturn-preventing limiting device on inner wall；
The first square hole is offered at the top of concrete mast cylinder (9), it is rectangular that concrete mast cylinder (9) bottom offers second
Hole is the square hole of continuous variable cross section between the first square hole and the second square hole；
Side length of the side length of first square hole less than the second square hole.
8. the concrete mast cylinder of the inserted overturn-preventing limiting device of mast lifting construction is had as claimed in claim 7,
It is characterized in that, at least two groups of overturn-preventing limiting device, first group of overturn-preventing limiting device circumferential direction is disposed in an evenly spaced relation in mixed
Solidifying soil mast cylinder (9) inner wall, the side close to the first square hole；Second group of overturn-preventing limiting device circumferential direction uniform intervals setting
In concrete mast cylinder (9) inner wall, close to the side of the second square hole.
9. having the concrete mast cylinder of the inserted overturn-preventing limiting device of mast lifting construction as claimed in claim 7
Construction method, which is characterized in that specific step is as follows for construction method:
Step 1, each floor in concrete mast cylinder (9) center underface promote the review of channel dimension of opening；
Step 2, concrete mast cylinder (9) intensity detection meet design requirement；
Step 3 positions the installation site of overturn-preventing limiting device in concrete mast cylinder (9) inner wall four sides surveying setting-out；
Step 4 punches in the installation site of overturn-preventing limiting device and installs expansion bolt (5)；
Step 5 assembles overturn-preventing limiting device；
Overturn-preventing limiting device assembled in step 5 is fixed to unwrapping wire installation site with expansion bolt (5) by step 6；
Step 7, segmentation steel mast (8) assembling and welding, lifting construction and monitoring.
10. having the concrete mast cylinder of the inserted overturn-preventing limiting device of mast lifting construction as claimed in claim 9
Construction method, which is characterized in that step 5 specifically:
First, the drill bolt hole on square plate bottom plate (3)；
Second, at least three piece of first stiffener (10) is welded on the medial surface of two pieces of arc panels；Between first stiffener (10)
Be parallel to each other interval setting；
Third welds the second stiffener (11) in arc panel medial surface；
4th, arc panel is welded on square plate bottom plate (3)；
5th, the sub-assembly lateral surface obtained in the 4th step wraps up one layer of engineering plastic alloy plate；
6th, it smears protective layer (7)；
7th, after quality inspection, for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968317.2A CN109057507A (en) | 2018-08-23 | 2018-08-23 | A kind of inserted overturn-preventing limiting device of mast lifting construction and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968317.2A CN109057507A (en) | 2018-08-23 | 2018-08-23 | A kind of inserted overturn-preventing limiting device of mast lifting construction and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109057507A true CN109057507A (en) | 2018-12-21 |
Family
ID=64756777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810968317.2A Pending CN109057507A (en) | 2018-08-23 | 2018-08-23 | A kind of inserted overturn-preventing limiting device of mast lifting construction and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738602A (en) * | 2022-04-19 | 2022-07-12 | 中建八局第三建设有限公司 | Sunken bottom plate clamping seat and rapid positioning leveling overturn-preventing method |
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|---|---|---|---|---|
| EP0054508A1 (en) * | 1981-02-03 | 1982-06-23 | Geilinger AG | Device for mounting building elements, e.g. masts |
| EP2447420A1 (en) * | 2010-10-28 | 2012-05-02 | Alpine-Energie Österreich GmbH | Mast |
| CN203783152U (en) * | 2014-04-16 | 2014-08-20 | 葛洲坝集团第六工程有限公司 | Concrete taper-hole forming device |
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| CN106836948A (en) * | 2017-03-31 | 2017-06-13 | 中国化学工程第七建设有限公司 | A kind of construction technology of reinforced concrete structure |
| CN206591832U (en) * | 2017-01-20 | 2017-10-27 | 中国一冶集团有限公司 | The bracing means of high layer concrete vertical transport pipe |
| CN207484482U (en) * | 2017-11-21 | 2018-06-12 | 安徽省公路桥梁工程有限公司 | A kind of steel pile casting pile foundation locating rack |
| CN208830820U (en) * | 2018-08-23 | 2019-05-07 | 中建二局安装工程有限公司 | A kind of inserted overturn-preventing limiting device of mast lifting construction |
-
2018
- 2018-08-23 CN CN201810968317.2A patent/CN109057507A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0054508A1 (en) * | 1981-02-03 | 1982-06-23 | Geilinger AG | Device for mounting building elements, e.g. masts |
| EP2447420A1 (en) * | 2010-10-28 | 2012-05-02 | Alpine-Energie Österreich GmbH | Mast |
| CN203783152U (en) * | 2014-04-16 | 2014-08-20 | 葛洲坝集团第六工程有限公司 | Concrete taper-hole forming device |
| CN106033033A (en) * | 2015-03-09 | 2016-10-19 | 艾博生物医药(杭州)有限公司 | Device for collecting samples and disposable sample collecting bottle |
| CN206591832U (en) * | 2017-01-20 | 2017-10-27 | 中国一冶集团有限公司 | The bracing means of high layer concrete vertical transport pipe |
| CN106836948A (en) * | 2017-03-31 | 2017-06-13 | 中国化学工程第七建设有限公司 | A kind of construction technology of reinforced concrete structure |
| CN207484482U (en) * | 2017-11-21 | 2018-06-12 | 安徽省公路桥梁工程有限公司 | A kind of steel pile casting pile foundation locating rack |
| CN208830820U (en) * | 2018-08-23 | 2019-05-07 | 中建二局安装工程有限公司 | A kind of inserted overturn-preventing limiting device of mast lifting construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738602A (en) * | 2022-04-19 | 2022-07-12 | 中建八局第三建设有限公司 | Sunken bottom plate clamping seat and rapid positioning leveling overturn-preventing method |
| CN114738602B (en) * | 2022-04-19 | 2023-09-05 | 中建八局第三建设有限公司 | Sinking type bottom plate clamping seat and quick positioning, leveling and overturning preventing method |
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