CN216737128U - Steel stand hoisting accessory - Google Patents
Steel stand hoisting accessory Download PDFInfo
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- CN216737128U CN216737128U CN202122352405.XU CN202122352405U CN216737128U CN 216737128 U CN216737128 U CN 216737128U CN 202122352405 U CN202122352405 U CN 202122352405U CN 216737128 U CN216737128 U CN 216737128U
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Abstract
The utility model discloses a steel stand column lifting device which comprises a cross beam for lifting, wherein two first lifting lugs are arranged on the upper end surface of the cross beam and are respectively connected with lifting steel wire ropes used for being connected with lifting equipment; the two positioning steel wire ropes are respectively and movably connected with vertical positioning hanging ribs, the diagonal line at the top of the steel upright post is provided with lifting positions, the two lifting positions are symmetrically arranged by the diagonal line of the steel upright post, and the fixed ends of the two vertical positioning hanging ribs are respectively used for being fixed at the two lifting positions. The positioning position of the steel stand column can be visually and accurately observed and measured, the positioning time and deviation of the steel stand column are greatly reduced, the working efficiency is improved, and the steel stand column can be repeatedly used for many times.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a steel stand column lifting device.
Background
With the development of economy and urban construction in China, the reasonable development and utilization of underground space are requirements for urban sustainable development. The construction of large cities and areas in China or the preparation of underground engineering can involve deep and large foundation pit engineering. The deep and large foundation pit engineering has the outstanding characteristics that the design and construction of the deep and large foundation pit engineering need to ensure the technical reasonability and safety of the deep foundation pit engineering, and the influence of the construction on the environment needs to be controlled. Therefore, in order to ensure the safety, integrity and stability of the deep and large foundation pit support structure and reduce the influence of construction on the surrounding environment, an effective deep and large foundation pit support system must be constructed, and the vertical steel column support is the key of the whole deep and large foundation pit support system, and is increasingly and widely applied to deep and large foundation pit engineering.
The steel upright post belongs to an important combination component for connecting horizontal longitudinal and transverse supports and horizontal inclined supports in an inner support system of a deep and large foundation pit, has the functions of transferring horizontal support gravity and structural stress, preventing the horizontal longitudinal and transverse supports and the inclined supports from being bent, unstable and the like, and therefore the positioning construction quality of the steel upright post is very important.
When present steel stand construction, because steel stand top elevation is less than about 1.7 ~ 2.2m of ground elevation at least basically, behind the stake hole pore-forming, downthehole mud of having filled in, the steel stand is hung through lifting by crane equipment and is put into downthehole, when transferring design elevation, the steel stand top has also submerged about 1.7 ~ 2.2m below downthehole mud face, and traditional steel stand is with the connected mode who lifts by crane equipment: the steel upright post is provided with a hoisting hole, and a steel wire rope of hoisting equipment is fixed in the hoisting hole, so that the steel wire rope connected with the top end of the steel upright post and the steel upright post are simultaneously submerged about 1.7-2.2m below the mud surface in the hole when the steel upright post is lowered to a designed elevation, on one hand, the positioning position of the steel upright post cannot be observed and measured visually and accurately, and whether the steel upright post deflects, runs and the like cannot be known, so that the construction quality of the steel upright post is seriously influenced; on the other hand, after the steel upright post is lifted, the steel wire rope connected with the steel upright post needs to be cut, so that the steel wire rope of the lifting equipment cannot be reused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a steel upright lifting device which can visually and accurately observe and measure the positioning position of a steel upright, can know whether the steel upright deflects and runs, is accurate in positioning, greatly reduces the positioning time and deviation of the steel upright and improves the working efficiency; meanwhile, the material can be repeatedly used for many times.
The purpose of the utility model is realized by adopting the following technical scheme:
a steel upright lifting device is characterized by comprising a cross beam for lifting, wherein two first lifting lugs are arranged on the upper end face of the cross beam and are respectively connected with lifting steel wire ropes for being connected with lifting equipment, the two first lifting lugs are symmetrically distributed along the central line of the cross beam in the vertical direction, the two lifting steel wire ropes are symmetrically arranged corresponding to the central line of the cross beam, two second lifting lugs are arranged on the lower end face of the cross beam and are respectively connected with positioning steel wire ropes, and the two second lifting lugs are symmetrically distributed along the central line of the cross beam in the vertical direction; the two positioning steel wire ropes are respectively and movably connected with vertical positioning hanging ribs, the diagonal line at the top of the steel upright post is provided with lifting positions, the two lifting positions are symmetrically arranged by the diagonal line of the steel upright post, and the fixed ends of the two vertical positioning hanging ribs are respectively used for being fixed at the two lifting positions.
Furthermore, one end of each vertical positioning hanging rib is provided with a third lifting lug, and each positioning steel wire rope is connected with the third lifting lug of the vertical positioning hanging rib through a third shackle.
Furthermore, a reinforcing steel bar is arranged inside the third lifting lug.
Furthermore, the fixed end of each vertical positioning hanging rib is welded at the lifting position of the steel upright post.
Furthermore, each hoisting steel wire rope is connected with the first lifting lug through the first shackle.
Furthermore, each positioning steel wire rope is connected with a second lifting lug through a second shackle.
Furthermore, two ends of the two hoisting steel wire ropes are respectively provided with a first hoisting ring, and two ends of the two positioning steel wire ropes are respectively provided with a second hoisting ring.
Further, the cross beam is cross arm I-steel.
Further, two first lugs and two second lugs all adopt the welding mode to be connected with the crossbeam.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the positioning steel wire rope is connected with the steel upright post through the vertical positioning hanging rib, and after the steel upright post is lowered into the pile hole for a preset height, at least part of the vertical positioning hanging rib is exposed above the pile hole, so that the positioning steel wire rope cannot be immersed into slurry, and after the steel upright post is hoisted, the positioning steel wire rope is conveniently separated from the vertical positioning hanging rib, and the steel wire rope does not need to be cut, so that the hoisting device has the characteristics of strong universality and repeated use; on the other hand can directly perceived, accurately observe, measure the locating position of steel stand fast, can know whether the steel stand takes place the incline, the off position, the location is accurate, greatly reduced steel stand positioning time and deviation, improved work efficiency.
Drawings
FIG. 1 is a schematic view of a steel column hoisting device provided by the utility model;
FIG. 2 is a top view of a steel stud provided by the present invention;
FIG. 3 is a schematic diagram of the positioning and measurement of a steel column of the steel column hoisting device provided by the utility model;
in the figure: 1. a cross beam; 2. a first lifting lug; 3. a first shackle; 4. hoisting a steel wire rope; 5. a second lifting lug; 6. a second shackle; 7. positioning the steel wire rope; 8. a first hanging ring; 9. a second hoisting ring; 10. vertically positioning a hanging bar; 11. a third shackle; 12. a third lifting lug; 13. reinforcing steel bars; 14. a steel upright post; 15. a reinforcement cage; 16. a hoisting position; 17. positioning points; 18. and (4) a stake site.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like, are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).
As shown in fig. 1-3, the steel column lifting device provided by the utility model comprises a cross beam 1 for lifting, wherein two first lifting lugs 2 are arranged on the upper end surface of the cross beam 1, the two first lifting lugs 2 are respectively connected with lifting steel wire ropes 4 for being connected with lifting equipment, the two first lifting lugs 2 are symmetrically distributed along the central line of the cross beam 1 in the vertical direction, and the two lifting steel wire ropes 4 are respectively symmetrically arranged corresponding to the central line of the cross beam 1; the lower end face of the cross beam 1 is provided with two second lifting lugs 5, the two second lifting lugs 5 are respectively connected with a positioning steel wire rope 7, and the two second lifting lugs 5 are symmetrically distributed along the central line of the cross beam 1 in the vertical direction; the two positioning steel wire ropes 7 are respectively and movably connected with vertical positioning lifting ribs 10, lifting positions 16 are arranged on diagonal lines of the top of the steel upright post 14, the two lifting positions 16 are symmetrically arranged on the diagonal lines of the steel upright post 14, and fixed ends of the two vertical positioning lifting ribs 10 are respectively used for being fixed on the two lifting positions 16.
In the utility model, the positioning steel wire rope 7 is connected with the steel upright post 14 through the vertical positioning hanging rib 10, after the steel upright post 14 is lowered into the pile hole for a preset height, at least part of the vertical positioning hanging rib 10 is exposed above the pile hole, so that the positioning steel wire rope 7 cannot be immersed into slurry, and after the steel upright post 14 is hoisted, the positioning steel wire rope 7 is conveniently separated from the vertical positioning hanging rib 10 without cutting the steel wire rope, thereby being convenient for repeated utilization; on the other hand can directly perceivedly, accurately observe, measure the locating position of steel stand 14 fast, can know whether steel stand 14 takes place the skew, runs the position, and the location is accurate, greatly reduced steel stand 14 positioning time and deviation, improved work efficiency.
In the utility model, the two first lifting lugs 2 and the two second lifting lugs 5 are symmetrically distributed along the central line of the beam 1 in the vertical direction, so that the uniform stress of all the lifting lugs on the beam 1 can be ensured, and the occurrence of safety risks caused by uneven stress of the lifting lugs can be reduced.
The utility model is used for the construction of the steel upright post 14 of the inner support system of the large-area foundation pit, after the pile hole of the steel upright post 14 is formed, and after the hole is cleaned, the temporary steel upright post 14 and the reinforcement cage 15 are hoisted by a crane twice, the reinforcement cage 15 is firstly placed into the pile hole for temporary fixation, then the steel upright post 14 is hoisted in place, and is connected and welded with the reinforcement cage 15 which is temporarily fixed, and is lowered to a preset elevation, the top of the general steel upright post 14 protrudes out of the top surface of the pile casing by about 1-1.5 m, and is temporarily fixed again. The vertical positioning hanging bar 10 which is made of 18mm diameter HPB300 steel bars and has the length of 2-2.5m is firmly welded with the top of the steel upright post 14, the length of the vertical positioning hanging bar 10 is equal to the difference value of the designed top elevation of the steel upright post 14 and the top elevation of the steel casing, and the welding lap joint length of 30cm is added, so that the length is 2-2.5 m. Then connecting the vertical positioning hanging bar 10 with the positioning steel wire rope 7 by using a shackle, continuously descending the steel upright post 14 to a designed elevation, determining the position of the steel upright post 14 in the pile hole slurry by comparing the position of the vertical positioning hanging bar 10 with two 'straight' positioning points 17 measured and placed around the pile hole, correcting the position of the steel upright post 14 in the pile hole by swinging of a crane hook and manually assisting to pull the vertical positioning hanging bar 10 if the steel upright post 14 is inclined and deviated, and finishing the placement after the position of the steel upright post 14 in the pile hole is centered. Therefore, the positioning time and deviation of the steel upright post 14 are greatly reduced, and the working efficiency is improved.
As a preferred embodiment, one end of each vertical positioning hanging rib 10 is provided with a third lifting lug 12, and each positioning steel wire rope 7 is connected with the third lifting lug 12 of the vertical positioning hanging rib 10 through a third shackle 11. The positioning steel wire rope 7 is connected with the vertical positioning hanging rib 10 through the third shackles 11, the dismounting speed is high, the operation is convenient, the working efficiency is improved, and the safety is greatly improved by utilizing the characteristics of high bearing capacity, wear resistance and shear resistance of the third shackles 11. The distance L2 between the two first lifting eyes 2 is 5-10cm larger than the distance L1 between the two second lifting eyes 5, and the distance L1 between the two second lifting eyes 5 is equal to the distance L3 between the two vertically-positioned lifting ribs 10 welded on the diagonal line of the steel upright post 14.
In a preferred embodiment, the fixed end of each vertically positioned hanger bar 10 is welded to the steel upright 14 at a lifting location 16. The vertical positioning hanging rib 10 is connected with the steel upright post 14 in a welding mode, is stable and firm in connection, and improves the descending safety of the steel upright post 14.
In a preferred embodiment, the third lifting lug 12 is internally provided with a reinforcing steel bar 13. The firmness of the third lifting lug 12 is improved.
In a preferred embodiment, each hoisting cable 4 is connected to the first lifting lug 2 via a first shackle 3. The hoisting steel wire rope 4 is mainly used for being connected with a lifting hook of hoisting equipment to hoist and lower the steel upright post 14. Through setting up first shackle 3, the dismouting of being convenient for improves work efficiency.
In a preferred embodiment, each positioning wire 7 is connected to the second lifting lug 5 via a second shackle 6. Besides the hoisting function, the positioning steel wire rope 7 is connected with the vertical positioning hoisting rib 10 to play an auxiliary positioning function, and the second shackle 6 is arranged to facilitate disassembly and assembly and improve the working efficiency.
In a preferred embodiment, two ends of each of the two hoisting steel cables 4 are provided with a first hanging ring 8, and two ends of each of the two positioning steel cables 7 are provided with a second hanging ring 9. The first lifting ring 8 is arranged, so that the lifting steel wire rope 4 is conveniently connected with a lifting hook of lifting equipment, and the lifting steel wire rope 4 is conveniently connected with the first lifting lug 2 through the first shackle 3, the operation is simple, and the working efficiency is improved; the second lifting ring 9 is arranged to facilitate connection of the positioning steel wire rope 7 with the second lifting lug 5 through the second shackle 6 and connection with the third lifting lug 12 of the vertical positioning lifting rib 10 through the third shackle 11.
In a preferred embodiment, the two first lifting lugs 2 and the two second lifting lugs 5 are connected with the cross beam 1 in a welding manner. In this embodiment, the four lifting lugs are all made into a semi-circle shape by cutting a steel plate with the thickness of 14mm, the diameter of each semi-circle lifting lug is 120mm, the middle of each semi-circle lifting lug is provided with a hole, the diameter of each hole is 40mm, and the semi-circle lifting lugs are used for installing shackles and connecting the positioning steel wire ropes 7 and the lifting steel wire ropes 4 with the cross beam 1. The lug adopts welded fastening on crossbeam 1, welded fastening, and stability and security are better.
In a preferred embodiment, the cross beam 1 is a cross beam i-steel. The cross beam 1 plays a role in hoisting and lowering the bearing cross arm of the steel upright post 14, and the cross section dimension height (h) multiplied by the width (b) multiplied by the web thickness (t) of the cross arm I-steelw) X thickness of flange (t)f) 200mm × 102mm × 9mm × 9mm, and a length of 1 m. Of course, the specific structure of the cross beam 1 is not limited as long as it can ensure that the cross beam 1 has sufficient strength during the hoisting process of the steel upright 14.
In addition, the utility model also provides a step of positioning the steel upright post 14 by using the hoisting device, which comprises the following steps:
And (3) measuring and placing the pile position by using a total station or a GPS (global positioning system) positioning instrument, searching a steel bar in the center of the pile position, driving a control pile around to control the center of the pile position, fixing the control pile by using mortar, and entering the next procedure after rechecking to be qualified.
Step 2, embedding protective cylinder
The pile casing is made of a steel plate with the thickness of 4-8 mm, the height of 3m is equal to the inner diameter D (pile diameter) +20cm, and 1-2 slurry overflow holes are formed in the upper portion of the pile casing; and (2) digging a hole according to the point position determined by the measurement and paying-off in the step 1, embedding a pile casing, wherein the diameter of the pile casing is 20cm larger than that of a pile hole, tamping the pile casing and the pit wall by using cohesive soil to ensure the durability, accuracy and stability of the position of the pile casing, and retesting the central point of the pile casing after the pile casing is embedded, wherein the deviation of the central position of the pile casing is not greater than the specification and design requirements. The pile casing has the functions of assisting drilling positioning, protecting the hole opening, preventing ground stones from falling into the hole, preventing the hole opening from collapsing, keeping the slurry water level (pressure), preventing the hole from collapsing, controlling the elevation of the pile top according to one of the control bases and preventing the backflow of sediments in the drilling process.
Step 3, preparing mud and drilling
Before drilling, the slurry preparation is fully made, and the drilling machine is installed and debugged. The drill is in place and the like.
When the drilling is started, the drilling machine is used for drilling according to the specified pile position, the perpendicularity, the drilling speed and the drilling pressure are well controlled under the condition that the steel casing assists in controlling the pile position and protecting, and the slurry is poured while the drilling is carried out, so that the designed final hole depth and final hole acceptance are achieved.
Step 4, processing, hanging and installing steel upright posts 14 and steel reinforcement cages 15
4.1 manufacture of vertical positioning hanging bar 10
The vertical positioning hanging bar 10 adopts 18mm HPB300 steel bars which are not cold drawn and have the diameter of 2-2.5m, and the situations of bending, fouling, corrosion and the like of the vertical positioning hanging bar 10 must be prevented in the processes of transportation, storage, processing, manufacturing, welding and use, so that the vertical positioning hanging bar 10 is ensured to be straight.
The upper end part of the vertical positioning hanging rib 10 is bent and welded with a third lifting lug 12 of 15cmX15cm, the middle part of the third lifting lug 12 is additionally welded with a reinforcing steel bar 13 with the diameter of 18mmHRB400, and the length of the reinforcing steel bar is about 30 cm. The third lug 12 is connected with the positioning steel wire rope 7 through a third shackle 11, and after the steel upright post 14 is centered and aligned in the pile hole, the third lug 12 is detached from the positioning steel wire rope 7 and then is arranged on the steel upright post 14 erection cross rod in a penetrating manner.
4.2, the steel upright post 14 is lifted and the welded connection of the reinforcement cage 15
Hoisting a bottom reinforcement cage 15 and a temporary steel upright post 14, hoisting the steel upright post 14 and the reinforcement cage 15 by a crane twice, firstly hoisting the reinforcement cage 15 into a pile hole for temporary fixation, then hoisting the steel upright post 14 into the reinforcement cage 15 to be in place, and connecting and welding the reinforcement cage 15 with the temporary fixation, wherein the welding adopts an upper and a lower groined frames to fixedly connect the steel upright post 14 with the reinforcement cage 15 by a phi 20 connecting rib, the first (upper) groined frame is welded on a stiffening rib ring at the upper end near the reinforcement cage 15 and the steel upright post 14 by the phi 20 connecting rib, the distance from the bottom of the steel upright post 14 is 1m, the second (lower) groined frame is welded on a second stiffening rib ring at the lower end near the reinforcement cage 15 and the steel upright post 14 by the phi 20 connecting rib, and the distance from the bottom of the steel upright post 14 is 0.2 m.
4.3, hoisting and lowering the steel upright column 14 and welding the vertical positioning hanging rib 10
And integrally lowering the welded and connected steel upright post 14 and the steel reinforcement cage 15 to a preset elevation, so that the top of the steel upright post 14 protrudes out of the top surface of the protective cylinder by about 1-1.5 m, and temporarily fixing the steel upright post and the protective cylinder once again. The vertical positioning hanging bar 10 which is made of 18mm diameter HPB300 steel bars and has the length of 2-2.5m is firmly welded with the top of the steel upright post 14, the length of the vertical positioning hanging bar 10 is equal to the difference value of the designed top elevation of the steel upright post 14 and the top elevation of the steel casing, and the welding lap joint length of 30cm is added, so that the length is 2-2.5m, and the fixed end of the vertical positioning hanging bar 10 is welded on two opposite angles on the diagonal line of the steel upright post 14.
4.4 testing and amplifying of positioning points 17
As shown in fig. 3, according to the coordinates of the pile location point 18 on the pile location distribution diagram of the steel column 14, the coordinates of the two positioning points 17 are determined by taking the coordinates of the pile location point 18 as the center and guiding 1m outwards along the diagonal direction of the steel column 14, then the two positioning points 17 are laterally placed around the pile hole of the construction site by using a total station or a GPS positioning instrument, one positioning steel bar is vertically driven in each positioning steel bar to serve as a mark, then the setting position coordinates of the two vertical positioning hanging bars 10 are determined along the diagonal direction of the steel column 14, and the distance from the nearest positioning point 17 is calculated.
4.5 positioning of the Steel upright 14
And then, continuously lowering the steel upright post 14 to a designed elevation, wherein the steel upright post 14 is submerged about 1.7-2.2m below the mud surface in the hole, but the vertical positioning hanging ribs 10 and the positioning steel wire ropes 7 protrude out of the mud surface in the hole, so that the positioning position of the steel upright post 14 can be observed and measured conveniently.
And measuring the position of the coordinate point of the designed position of the vertical positioning hanging rib 10 on the pull wire by the measuring tape and marking the position by the measuring tape according to the distance between the pull wire between the two positioning points 17 and the calculated coordinate point of the designed position of the vertical positioning hanging rib 10 and the respective closest positioning point 17.
The position of the steel upright post 14 in the pile hole slurry is judged by marking the setting position of the vertical positioning hanging rib 10 on the stay wire, measuring the position deviation of the downward hanging and positioning of the steel upright post 14 by contrasting the position of the vertical positioning hanging rib 10 at the top end of the steel upright post 14, if the position of the vertical positioning hanging rib 10 at the top end of the steel upright post 14 is not coincident with the design position of the vertical positioning hanging rib 10 marked on the stay wire, the steel upright post 14 is deviated and runs, the position of the steel upright post 14 in the pile hole must be corrected by swinging the crane hook and manually assisting to pull the vertical positioning hanging bar 10, and the position of the vertical positioning hanging bar 10 at the top end of the steel upright post 14 coincides with the designed position of the vertical positioning hanging bar 10 marked on the stay wire, which indicates that the position of the steel upright post 14 in the pile hole is centered, aligned and vertical, is located on the central point of the pile position of the steel upright post 14, and the placement is finished.
Step 5, installing a guide pipe
After the steel upright posts 14 are positioned, the guide pipes are required to be installed, each section of each guide pipe is 2.5m, 1m and 0.5 m, the guide pipes are required to be clamped stably and then lapped to avoid pipe dropping in the process of installing the guide pipes, the guide pipes are required to be spliced tightly, and air leakage and water leakage are strictly avoided.
Step 6, cleaning the hole
And cleaning the holes by adopting a slurry changing method, and keeping the slurry level in the holes by paying attention to cleaning the holes. And the hole cleaning is to clean the drilling slag and the sediment layer, reduce the sediment thickness at the bottom of the hole as much as possible, prevent the excessive sediment from remaining at the bottom of the pile to reduce the bearing capacity of the pile, and check and accept the sediment thickness in the hole after the hole cleaning is finished.
Step 7, pouring concrete
And (4) after the hole is cleaned, checking and accepting the thickness of the sediments in the hole, and immediately pouring concrete into the reinforcement cage 15 part at the lower part of the pile hole through the guide pipe after the checking and accepting are qualified.
After concrete pouring is finished, the vertical positioning lifting ribs 10 are separated from the positioning steel wire ropes 7, and the lifting device can be recycled.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. The steel column lifting device is characterized by comprising a cross beam (1) for lifting, wherein two first lifting lugs (2) are arranged on the upper end face of the cross beam (1), the two first lifting lugs (2) are respectively connected with lifting steel wire ropes (4) used for being connected with lifting equipment, the two first lifting lugs (2) are symmetrically distributed along the central line of the cross beam (1) in the vertical direction, the two lifting steel wire ropes (4) are respectively symmetrically arranged corresponding to the central line of the cross beam (1), the lower end face of the cross beam (1) is provided with two second lifting lugs (5), the two second lifting lugs (5) are respectively connected with positioning steel wire ropes (7), and the two second lifting lugs (5) are symmetrically distributed along the central line of the cross beam (1) in the vertical direction; the two positioning steel wire ropes (7) are respectively and movably connected with vertical positioning lifting ribs (10), lifting positions (16) are arranged on diagonal lines at the top of the steel upright post (14), the two lifting positions (16) are symmetrically arranged with the diagonal lines of the steel upright post (14), and fixed ends of the two vertical positioning lifting ribs (10) are respectively used for being fixed on the two lifting positions (16).
2. The steel column hoisting device according to claim 1, wherein one end of each vertical positioning hoisting rib (10) is provided with a third lifting lug (12), and each positioning steel wire rope (7) is connected with the third lifting lug (12) of the vertical positioning hoisting rib (10) through a third shackle (11).
3. A steel upright lifting device according to claim 2, wherein the third lifting lug (12) is internally provided with reinforcing bars (13).
4. A steel upright lifting device according to claim 1, wherein the fixed end of each vertically positioned lifting rib (10) is welded to the lifting location (16) of the steel upright (14).
5. A steel column lifting device according to claim 1, characterized in that each lifting wire rope (4) is connected to the first lifting lug (2) by means of a first shackle (3).
6. A steel column lifting device according to claim 1, wherein each positioning wire (7) is connected to a second lifting lug (5) by a second shackle (6).
7. A steel upright lifting device according to claim 1, wherein both ends of both lifting steel cables (4) are provided with first lifting rings (8), and both ends of both positioning steel cables (7) are provided with second lifting rings (9).
8. A steel column lifting device according to claim 1, wherein the cross beam (1) is a cross-arm i-steel.
9. The steel column hoisting device according to claim 1, wherein the two first lifting lugs (2) and the two second lifting lugs (5) are connected to the beam (1) by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352405.XU CN216737128U (en) | 2021-09-27 | 2021-09-27 | Steel stand hoisting accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352405.XU CN216737128U (en) | 2021-09-27 | 2021-09-27 | Steel stand hoisting accessory |
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| Publication Number | Publication Date |
|---|---|
| CN216737128U true CN216737128U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122352405.XU Active CN216737128U (en) | 2021-09-27 | 2021-09-27 | Steel stand hoisting accessory |
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| CN (1) | CN216737128U (en) |
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2021
- 2021-09-27 CN CN202122352405.XU patent/CN216737128U/en active Active
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