CN208308240U - A kind of equalizer bar suspender for penstock tile - Google Patents
A kind of equalizer bar suspender for penstock tile Download PDFInfo
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- CN208308240U CN208308240U CN201820697664.1U CN201820697664U CN208308240U CN 208308240 U CN208308240 U CN 208308240U CN 201820697664 U CN201820697664 U CN 201820697664U CN 208308240 U CN208308240 U CN 208308240U
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- wirerope
- tile
- girder
- lifting
- equalizer bar
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Abstract
The utility model discloses a kind of equalizer bar suspenders for penstock tile, it include: girder (1), top wirerope (2), two upper lifting lug (4), two lower lifting lugs (5), two lower part wirerope (6) and two flat hanging fixtures (7), the equalizer bar suspender, due to being clamped on the stiffening ring of steel pipe tile by flat hanging fixture, without directly being contacted with steel pipe tile, it can not only prevent from causing to occur on tile the damage such as pit, and unload carried convenient, it is simple with structure, the advantages that design is reasonable, easy to use.
Description
Technical field
The utility model, which discloses, is related to the technical field of engineering construction or plant area's lifting, more particularly to a kind of for pressure steel
The equalizer bar suspender of pipe tile.
Background technique
Suspender using very extensive, is mainly used for being connected and fixed in equipment or material lifting transhipment in engineering construction
Equipment and crane achieve the purpose that lifting and transhipment so that equipment or material have with crane stablizes promotion or mobile.
Most of existing suspender is applied to the lifting or shipment of small in size, light-weight equipment or material, but for super
Big overweight one piece apparatus or material, alternative suspender is less, while the lifting or transhipment of super-big and overweight equipment or material
Risk is high, and the safety and operability to suspender require high.Especially in the existing construction of hydropower stations, due to ultra-large type diversion
Penstock whole Transporting is difficult, so transporting after tile production can be used in steel pipe to erecting bed integral assembly welding.Super large is straight
Diameter diversion pressure steel tube is made of tile, and tile is overweight, lifting tile is clamped according to steel plate vertical lifting, in hoisting process
The construction time can be increased to soldering after causing 2-3mm pit, later period that need to heat at tile upper orifice lifting and grinding process,
Construction cost is improved, and this kind of lifting mode safety is low, is easy to produce decoupling accident, causes personnel and property loss, hangs
Personnel are also needed to carry out fixture disassembly at upper orifice after dress, since factors above causes to need in steel pipe tile hoisting process
A large amount of manpowers and material resources are consumed, long there are the construction time, construction cost is high, the high disadvantage of risk, is unable to satisfy construction peace
Complete and project progress demand.
Therefore, a kind of equalizer bar suspender suitable for penstock tile is researched and developed, with economic, safety, quick, reduction lifting
The lifting work of the completion steel pipe tile of height, becomes people's urgent problem to be solved.
Utility model content
In consideration of it, the utility model, which discloses, provides a kind of equalizer bar suspender for penstock tile lifting, with
It solves to be easy that upper orifice is caused to damage in previous steel pipe tile hoisting process, needs later period grinding process, exist and be constructed into
The problems such as this is high.
Technical solution provided by the utility model, specifically, a kind of equalizer bar suspender for penstock tile, packet
It includes: girder 1,2, two, top wirerope upper 5, two lower part wirerope 6 of the lower lifting lug of lifting lug 4, two and two flat hanging fixtures
7；
Center line symmetrical setting of two upper lifting lugs 4 along the girder 1, and the upper table with the girder 1 respectively
Face is fixedly welded；
The both ends of the top wirerope 2 are connected by buckle with two upper lifting lugs 4 respectively；
Center line symmetrical setting of two lower lifting lugs 5 along the girder 1, and the following table with the girder 1 respectively
Face is fixedly welded, and is provided with long hole 51 on each lower lifting lug 5, and to be disposed with wave recessed for the lower edge of the long hole 51
Slot 511；
The upper end of two lower part wirerope 6 passes through shackle respectively and connect with two lower lifting lugs 5；
Lower end of two flat hanging fixtures 7 respectively with two lower part wirerope 6 is connected by buckle；
Further preferably, when the top wirerope 2 is tensed along middle line, the 2 top angle of top wirerope is less than
Equal to 60 °.
Further preferably, the flat hanging fixture 7 is the flat hanging fixture of LDB type.
Further preferably, the top wirerope 2 is 6*37+1 model wirerope.
Equalizer bar suspender provided by the utility model for penstock tile, is designed by its structure, in lifting,
It is clamped on the stiffening ring on penstock tile top by flat hanging fixture, then passes through the lower lifting lug on lower part wirerope and girder
It is attached, according to the tile center of gravity to be lifted, two lower part wirerope is moved to lifting lug card under corresponding in lower lifting lug
In slot, lateral deviation is avoided, after wirerope is connect with crane when top, flat hanging fixture drives steel pipe tile together by clamping stiffening ring
As suspender moves together, until reaching target position, crane slowly off the hook, flat hanging fixture Automatic-falling realizes penstock
The unloading of tile, it is easy to use without carrying out the disassembly of fixture.Equalizer bar suspender in the utility model, due to being hung by flat
Fixture is clamped on the stiffening ring of steel pipe tile, without directly contacting with steel pipe tile tube wall, can not only prevent from causing tile
On there is the damage such as pit, and unload carried convenient.
Equalizer bar suspender provided by the utility model for penstock tile has structure simple, and design rationally, is hung
It fills under height, easy to use, the advantages that safety coefficient is high.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model
Embodiment, and be used to explain the principles of the present invention together with specification.
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structure that the utility model discloses a kind of equalizer bar suspender for penstock tile that embodiment provides
Schematic diagram；
Fig. 2 is to hang under the utility model discloses in a kind of equalizer bar suspender for penstock tile that embodiment provides
The structural schematic diagram of ear.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent device of some aspects be described in detail in the appended claims, the utility model.
The present embodiment provides a kind of equalizer bar suspender for penstock tile, and referring to Fig. 1, which is hung
Tool is mainly put down by girder 1,2, two, top wirerope upper 5, two lower part wirerope 6 of the lower lifting lug of lifting lug 4, two and two and is hung
Fixture 7 is constituted, wherein girder 1 is welded by H profile steel and partition group, and two upper lifting lugs 4 are symmetrically set along the center line of girder 1
It sets, and the upper surface with girder 1 is fixedly welded respectively, the both ends of top wirerope 2 are connected with two upper lifting lugs 4 using shackle respectively
It connects, two lower lifting lugs 5 are along the center line symmetrical setting of girder 1, and the lower surface with girder 1 is fixedly welded respectively, under two
The upper end of portion's wirerope 6 is connect with two lower lifting lugs 5 using shackles respectively, two flat hanging fixtures 7 respectively with two lower part steel wires
The lower end of rope 6 is connected by buckle, wherein the flat hanging fixture of LDB type can be selected in flat hanging fixture 7.
Referring to fig. 2, it each is provided with long hole 51 on lower lifting lug 5, and 51 lower edge of long hole is disposed with wave groove
511, by above-mentioned design, it can adjust lower part wirerope according to the position of centre of gravity of different model tile and be in different in long hole
In wave groove, the position limit of wirerope is realized, by the adjusting of above-mentioned lower part wirerope position, it can be achieved that adjustment lower part is hung
Point position guarantees that the lifting of steel pipe tile is horizontal so that hoisting point position be made to adjust to steel pipe tile position of centre of gravity.
The specifically used method of the above-mentioned equalizer bar suspender for penstock tile are as follows: referring to Fig. 1, pass through flat hanging fixture
It is clamped on the stiffening ring 3 on 9 top of penstock tile, then is attached by lower part wirerope and the lower lifting lug on girder,
According to the tile center of gravity to be lifted, two lower part wirerope in lifting lug card slot, are avoided into side in the case where lower lifting lug is moved to and corresponds to
Partially, after when top, wirerope is connect with crane, flat hanging fixture by clamping stiffening ring 3 drive penstock tile 9 together with
Suspender moves together, until reaching target position, crane slowly off the hook, flat hanging fixture Automatic-falling realizes penstock tile 9
Unloading, lifting terminates.
As the improvement of technical solution, when top wirerope 2 is tensed along middle line, wirerope 2 top angle in top is answered small
In being equal to 60 °, security intensity check is then carried out according to 60 ° of angle and lifting weight, it is desirable that safety coefficient is not less than 4.5.
In order to ensure the load-bearing capacity of top wirerope, as the improvement of technical solution, top wirerope 2 is selected into 6*37
+ 1 model wirerope.
Embodiment is designed as with specific equalizer bar suspender below, the utility model is carried out with further solving
It releases and illustrates.
In the present embodiment bottom suspension centre can be adjusted according to tile dimensions center for the equalizer bar suspender of penstock tile
Spacing guarantees that the lifting of steel pipe tile is horizontal, i.e., comes above by position of the mobile lower part wirerope in the lifting lug long hole of lower part real
It is existing.Equalizer bar suspender in the present embodiment is suitable for that length of steel pipe is 3m, plate thickness 56mm, 60mm, 64mm internal diameter is φ 12.5m-
The lifting of φ 11.5m etc. points of 3 tiles.
Specifically, referring to Fig. 1, girder 1 in equalizer bar suspender welded by H profile steel (HM582 × 300) and partition and
At 2 upper lifting lugs 4 with single hole of welding on the top of girder 1 weld 2 lower lifting lugs with long hole in the bottom of girder 1
5, and 2 upper lower lifting lugs 5 of lifting lug 4 and 2 are to select appropriate bearing capacity top along the center line symmetrical setting of girder 1
Wirerope 2, and the both ends of the top wirerope 2 are passed through into shackle respectively and are connected with 2 upper lifting lugs 4,2 lower part wirerope 6
One end is connect by shackle with the long hole in lower lifting lug 5, and the other end is fixedly connected with flat hanging fixture 7, wherein 2 lower part steel wires
The length requirement of rope 6 is greater than 3 upper limb distance of stiffening ring by the distance of lifting steel pipe tile upper orifice.
Scheme early period selects balance girder according to tile maximum weight, technical parameter is mainly considered, according to door machine
Lifting altitude and equalizer bar lower part rope capacity select top hoisting point position, select lower part lifting lug position according to steel pipe center of gravity,
Identified above to finish, selection balance girder carries out strength check, and lifting lug design in top is substantially carried out strength check, lower part long hole root
Lifting lug design is carried out according to steel pipe tile lifting center variation, and carries out strength check, finally according to lifting weight to steel wire
Rope and the flat hanging fixture selection of LDB steel plate.
The production of penstock tile, steel plate thickness are 56mm, 60mm, 64mm, and long 3m-2.0m, each steel pipe divides equally 3 watts
Piece.Lower part lifting lug is L=3236mm away from this side lifting lug distance, and steel pipe tile maximum weight is 20t, and equalizer bar selection material is
The HM582*300*12*17mm fashioned iron of Q345C, wherein tile most weighs about 20t, and hoisting balance beam suspender is meeting lifting load
In the case of, it should also expire loading-unloading vehicle lifting altitude condition: i.e. steel pipe tile production factory's crane lifting altitude 7.5m, haulage vehicle height
1.2m。
1, girder bending strength is checked as follows:
Lower part unilateral side lifting lug stress are as follows: FN=20 (tile weight) * 9800/2=98000N；
It tables look-up to obtain HM582*300*12*17mm fashioned iron bending resistant section coefficient are as follows: Wx=3530000mm3；
Girder maximal bending moment are as follows: Mmax=FN* (bottom suspension centre to top is hung L=98000 (bottom suspension centre load) * 3236
Point distance)=3.17128*108N*mm；
Maximum stress in bend Strength co-mputation is as follows:
σ max=Mmax/Wx=3.17128*108/ 3530000=89.84N/mm2<σf=170N/mm2(σfFor Q345C material
Expect allowable stress).Main Girder Deflection is checked:
Ymax=pl3/(3EI)；
In formula: Ymax is the maximum defluxion (mm) in girder span；
P: for the sum of each load standard value (p=98000N)；
E: for the elasticity modulus of steel, for engineering structural steel, E=206000N/mm2；
I: for the section moments of inertia of H, the HM582*300*12*17mm moments of inertia is 1030000000mm4；
Ymax=98000*32363/ (3*206000*1030000000)=5.22mm < 3236*2/400=16.18mm
(maximum defluxion controls within L/400).
Girder shearing resistance is checked:
σ=p/A:
In formula: p is the sum of each load standard value (p=98000N)；
A be girder section product (table look-up HM582*300*12*17mm sectional area is 17452mm2)；
σ=p/A=98000/17450=5.61N/mm2<σf=170N/mm2(σfFor Q345C material allowable stress)
By calculating above, the present embodiment tile lifting balance sling girder meets intensity requirement.
2, it is 2000mm wirerope, bifilar lifting that top wirerope 2, which selects 2 φ 34mm, length,.
Top selects cord strength to check:
F0(top Φ 34mm (tensile strength 1670Mpa) 6*37+1 breaking force of rope)=569KN；
FN(lifting total load head)=tile weight+equalizer bar suspender weight=(20+1.4686) * 9.8=210.39KN；
30 ° of angle of lifting, top wire rope single-strand rope maximum weighted: F2=210.39 ÷ (2cos30 °)=
121.47KN, safety coefficient K take not less than 4.5, and strength check is as follows:
F0=569KN > 121.47*4.5=546.62KN, meets the requirements.
3, lower part wirerope selects 2 φ 22mm, length 1500m, bifilar lifting.
Bottom wirerope strength check:
F0' (bottom Φ 22mm (tensile strength 1670Mpa) 6*37+1 breaking force of rope)=238KN；
FN' (lifting total load head)=tile weight=20*9.8=196KN；
Safety coefficient K takes not less than 4.5, and strength check is as follows:
F0'=238KN > 196/2/2*4.5=220.5KN, meets the requirements.
4, shackle strength check:
6 15t are selected in shackle, are checked according to cord strength, and shackle maximum weighted is top wire rope single-strand rope
Stress: F2=210.24 ÷ (2cos30 °)=121.38KN < 15*9.8=147KN
5, flat hanging fixture is checked:
Flat hanging fixture selects two flat hanging fixtures of 10tLDB, meets tile lifting.
6, Lifting Lug strength check is as follows:
Lifting lug selects material Q345C；
(1) most unfavorable combination of tensile stress is in c-d section, strength calculation formula are as follows:
Wherein: the nominal stress in the section σ-c-d,
P-lifting lug load, N take P=F0/2=210.39/2=105.20KN；
R and r-is respectively the shortest distance and axis hole radius of the lifting lug plate hole center to edges of boards.
[σ]-allowable stress, MPa, under normal circumstances,
K-dynamic load factor, K take 1.1~1.3；
Q345 steel plate yield strength σ s >=345N/mm2(press minimum value 345N/mm2Calculate),
σ=37.13N/mm2≤ [σ]=230N/mm2
(2) Calculation Shear
As shown, maximum shear stress is in A-A section, strength calculation formula are as follows:
In formula: [τ]-permitting stress, MPa,
τ=74.26N/mm2≤ [τ]=170N/mm2
(3) local extrusion stress calculates
Local extrusion stress most unfavorable combination is in lifting lug and pin shaft junction, strength calculation formula are as follows:
In formula: [σc]: extrusion stress allowable, MPa, [σc]=1.4 [σ].
D-pin diameter；BW type (T6 grades) 15T shackle pin diameter is 33mm；
[σc]=1.4 [σ]=1.4 × 230=322N/mm2
σc=112.5N/mm2≤[σc]=322N/mm2
7, Strength Check on Weld:
Lifting lug and inner support connecting plate fillet welding angle are 20, and welding uses J507 welding rod, carry out 100%MT after the completion of welding
Non-destructive testing, I grades qualified.
In formula:
K-dynamic load factor, k=1.1；
External force suffered by P-shackle plate, N take P=F1 ' '=105.2KN；
L-fusion length, mm；
δ-shackle plate base material plate thickness, mm；
The strength failure criterion of-butt weld, N/mm2,, take
Weld seam meets tile lifting intensity requirement.
8, lower lifting lug strength check
Lower lifting lug design size is bigger than top, is not being checked.
Door machine lifting altitude is 7.5m, and total hoisting height is 5.52m, transports tile wooden handcart height 1.2m, surplus capacity is
0.3m meets tile loading-unloading vehicle requirement.
Specific operation process when carrying out operation using the equalizer bar suspender in the present embodiment is as follows:
The assembling of equalizer bar suspender: girder is placed on sleeper to (sleeper has certain altitude, meets lower part and unloads before tile lifting
Button installation and disassembly), installation top shackle, top wirerope and lower part shackle, lower part wirerope, flat hanging fixture, lower part shackle
According to the tile center of gravity to be lifted when installation, shackle pin shaft is mounted in the accordingly lower corresponding wave groove of lifting lug, is prevented
Tile inclination, it is ensured that suspension centre and tile center of gravity are on same straight line.
Tile lifting: crane lifts by crane equalizer bar suspender to corresponding placement of tiles, and installation personnel utilizes ladder by flat hanging fixture
Card slot be all mounted on the stiffening ring corresponding position of top and with it is hand steered firmly, crane slowly raising, after wirerope slightly stress, people
Member looses one's grip and withdraws, crane slowly raising, and lifting is to corresponding position after balance.
Tile decoupling device: tile is lifted to corresponding position, crane slowly off the hook, flat hanging fixture Automatic-falling, penstock
Tile unloads automatically.
Those skilled in the art are considering specification and after practicing utility model disclosed herein, will readily occur to practical
Novel other embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these
Variations, uses, or adaptations follow the general principle of the utility model and including undocumented skills of the utility model
Common knowledge or conventional techniques in art field.The description and examples are only to be considered as illustrative, the utility model
True scope and spirit are indicated by the following claims.
It should be understood that the utility model is not limited to the accurate knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (4)
1. a kind of equalizer bar suspender for penstock tile characterized by comprising girder (1), top wirerope (2),
Two upper lifting lug (4), two lower lifting lugs (5), two lower part wirerope (6) and two flat hanging fixtures (7)；
Two upper lifting lugs (4) along the girder (1) center line symmetrical setting, and it is upper with the girder (1) respectively
Surface is fixedly welded；
The both ends of the top wirerope (2) are connected by buckle with two upper lifting lugs (4) respectively；
Two lower lifting lugs (5) along the girder (1) center line symmetrical setting, and respectively and under the girder (1)
Surface is fixedly welded, and is provided with long hole (51) on each lower lifting lug (5), and the lower edge of the long hole (51) is set gradually
There are wave groove (511)；
The upper end of two lower part wirerope (6) passes through shackle respectively and connect with two lower lifting lugs (5)；
Lower end of two flat hanging fixtures (7) respectively with two lower part wirerope (6) is connected by buckle.
2. being used for the equalizer bar suspender of penstock tile according to claim 1, which is characterized in that when the top steel wire
When restricting (2) along middle line tension, angle is less than or equal to 60 ° at the top of the top wirerope (2).
3. being used for the equalizer bar suspender of penstock tile according to claim 1, which is characterized in that the flat hanging fixture
It (7) is the flat hanging fixture of LDB type.
4. being used for the equalizer bar suspender of penstock tile according to claim 1, which is characterized in that the top wirerope
It (2) is 6*37+1 model wirerope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820697664.1U CN208308240U (en) | 2018-05-11 | 2018-05-11 | A kind of equalizer bar suspender for penstock tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820697664.1U CN208308240U (en) | 2018-05-11 | 2018-05-11 | A kind of equalizer bar suspender for penstock tile |
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| Publication Number | Publication Date |
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| CN208308240U true CN208308240U (en) | 2019-01-01 |
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ID=64712397
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820697664.1U Expired - Fee Related CN208308240U (en) | 2018-05-11 | 2018-05-11 | A kind of equalizer bar suspender for penstock tile |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086947A (en) * | 2020-03-13 | 2020-05-01 | 西安中铁工程装备有限公司 | Horizontal lifting appliance for concrete segment |
| CN116354216A (en) * | 2023-06-01 | 2023-06-30 | 河南宁栾建筑工程有限公司 | Building glazed tile lifting device with anti-collision structure |
-
2018
- 2018-05-11 CN CN201820697664.1U patent/CN208308240U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086947A (en) * | 2020-03-13 | 2020-05-01 | 西安中铁工程装备有限公司 | Horizontal lifting appliance for concrete segment |
| CN116354216A (en) * | 2023-06-01 | 2023-06-30 | 河南宁栾建筑工程有限公司 | Building glazed tile lifting device with anti-collision structure |
| CN116354216B (en) * | 2023-06-01 | 2023-10-20 | 河南宁栾建筑工程有限公司 | Building glazed tile lifting device with anti-collision structure |
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Granted publication date: 20190101 |