CN112340589A - An adjustable hanger and hoisting method - Google Patents
An adjustable hanger and hoisting method Download PDFInfo
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- CN112340589A CN112340589A CN202011321351.4A CN202011321351A CN112340589A CN 112340589 A CN112340589 A CN 112340589A CN 202011321351 A CN202011321351 A CN 202011321351A CN 112340589 A CN112340589 A CN 112340589A
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- beams
- prefabricated part
- frame body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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Abstract
The application discloses gallows and hoist and mount method with adjustable relates to and lifts by crane frock technical field, and this gallows with adjustable includes: the frame body comprises two parallel distribution beams and a connecting beam for connecting the two distribution beams; two carrying pole beams which are arranged in parallel and can be moved and vertically arranged on the two distribution beams, and two ends of each carrying pole beam are respectively penetrated with a hanging rod used for being connected with the prefabricated component; each suspension rod is opposite to a suspension point hole of the prefabricated part when the prefabricated part is hoisted, and the frame body is arranged at the position of the prefabricated part when the moment balance state is achieved. The adjustable hanging bracket and the hanging method can realize balanced hanging of the prefabricated part, solve the problem that the hanging of the large eccentric prefabricated part is seriously inclined, eliminate potential safety hazards, meet hanging operation of the prefabricated parts with different eccentric degrees and reduce the input of the types and the number of the hanging brackets.
Description
Technical Field
The application relates to the technical field of hoisting tools, in particular to an adjustable hoisting frame and a hoisting method.
Background
At present, the prefabrication technology of concrete members is more and more mature, and more civil engineering works adopt the technology. The prefabricated parts are different in form, so that the concrete prefabricated parts are often asymmetric, and the gravity centers of different prefabricated parts are different.
In the correlation technique, when the existing hanging bracket is used for hanging each special-shaped prefabricated part with different gravity centers, the hanging hole of the hanging bracket is fixed, so that the serious inclination of the prefabricated part is easy to occur in the hanging process, and great potential safety hazards are caused.
Disclosure of Invention
To the defect that exists among the prior art, the utility model aims to provide a gallows and hoisting method with adjustable appear the problem of serious slope in order to solve eccentric prefabricated component hoist and mount process among the correlation technique easily.
This application first aspect provides a gallows with adjustable for hoist and mount prefabricated component, it includes:
the frame body comprises two parallel distribution beams and a connecting beam for connecting the two distribution beams;
two carrying pole beams which are arranged in parallel and can be moved and vertically arranged on the two distribution beams, and two ends of each carrying pole beam are respectively penetrated with a hanging rod used for being connected with the prefabricated component; each suspension rod is opposite to a suspension point hole of the prefabricated part when the prefabricated part is hoisted, and the frame body is arranged at the position of the prefabricated part when the moment balance state is achieved.
In some embodiments, two ends of each of the distribution beams are provided with brackets, a tension bar penetrates through two brackets on the same distribution beam, and a part of the tension bar, which is located between the two brackets, penetrates through the two carrying pole beams in sequence and is fixedly connected with the two carrying pole beams respectively.
In some embodiments, the two ends of each distribution beam are provided with lifting lugs, and the lifting lugs are connected with a lifting hook of a crane through lifting ropes.
In some embodiments, the center of the hook is collinear with the center of gravity of the frame.
In some embodiments, two parallel first reinforcing ribs are further disposed between the two distribution beams, and two ends of each first reinforcing rib are located at one lifting lug respectively.
In some embodiments, the distance between the center of gravity of the frame and the center of gravity of the prefabricated member is a first distance, the distance between the center of gravity of the frame and the centers of the two shoulder pole beams is a second distance, and when the product of the first distance and the weight of the prefabricated member is equal to the product of the second distance and the weight of the two shoulder pole beams, the prefabricated member reaches a moment balance state.
The second aspect of the present application provides a hoisting method based on the adjustable hanger, which includes the steps of:
fixing two shoulder pole beams on a frame body, then hoisting the frame body fixed with the shoulder pole beams to the prefabricated part, enabling each hoisting rod to be respectively aligned to one hoisting point hole of the prefabricated part, and arranging the frame body at a position which reaches a moment balance state when the prefabricated part is hoisted;
connecting and fixing the two carrying pole beams and the prefabricated parts through a suspender;
the frame is connected to a hook of a crane by a lifting rope, and the center of the hook and the center of gravity of the frame are kept on the same straight line.
In some embodiments, the two ends of each distribution beam are provided with brackets, and the fixing of the two carrying pole beams to the frame body specifically includes:
calculating the gravity center position of the prefabricated part, and respectively determining the fixed positions of the shoulder pole beam and the distribution beam on the prefabricated part;
marking the fixing positions of the two shoulder pole beams on the distributing beam;
according to the fixed position of the mark, the opposite pulling screw rod sequentially penetrates through the bracket at one end of the distribution beam, the two carrying pole beams and the bracket at the other end of the distribution beam, and the two sides of each carrying pole beam and the opposite outer sides of the two brackets are locked through the first nuts.
In some embodiments, the distance between the center of gravity of the frame and the center of gravity of the prefabricated member is a first distance, the distance between the center of gravity of the frame and the centers of the two shoulder pole beams is a second distance, and the prefabricated member reaches a moment equilibrium state when the product of the first distance and the weight of the prefabricated member is equal to the product of the second distance and the weight of the two shoulder pole beams.
In some embodiments, the carrying pole beam is provided with a hoisting hole for the boom to pass through, and the two carrying pole beams are connected and fixed to the prefabricated component by the boom, specifically including:
and the suspender sequentially penetrates through the hoisting hole of the shoulder pole beam and the hoisting point hole of the prefabricated part, and the two ends of the suspender, which penetrate through the shoulder pole beam and the prefabricated part, are respectively locked by a second nut and a base plate.
The beneficial effect that technical scheme that this application provided brought includes:
the adjustable hanging bracket and the hanging method have the advantages that the two carrying pole beams are movably and vertically arranged on the two distribution beams, the two ends of each carrying pole beam are respectively penetrated with the hanging rods connected with the prefabricated part, the fixing positions of the distribution beams and the carrying pole beams on the prefabricated part can be set according to the gravity center position of the prefabricated part before the hanging operation is carried out, then the positioning and the installation are carried out according to the set fixing positions, each hanging rod is enabled to be respectively right opposite to one hanging point hole of the prefabricated part, and the frame body is arranged at the position of the prefabricated part when the prefabricated part reaches the moment balance state, so that the balanced hanging of the prefabricated part can be realized, the problem that the large eccentric prefabricated part is seriously inclined in hanging is solved, the potential safety hazard is eliminated, the hanging operation of the prefabricated parts with different eccentric degrees can be further met, and the investment.
Drawings
Fig. 1 is a schematic structural view of an adjustable hanger according to an embodiment of the present application;
FIG. 2 is a schematic elevation view of an adjustable hanger according to an embodiment of the present application;
FIG. 3 is a schematic plan view of an adjustable hanger according to an embodiment of the present application;
FIG. 4 is a flow chart of a hoisting method in an embodiment of the present application;
fig. 5 is a schematic view illustrating installation of an adjustable hanger according to an embodiment of the present application.
Reference numerals:
1. a distribution beam; 11. a first reinforcing rib; 2. a connecting beam; 3. a shoulder pole beam; 4. a boom; 41. a second nut; 42. a base plate; 5. a bracket; 6. a split lead screw; 61. a first nut; 7. lifting lugs; 8. a hook; 9. and (4) prefabricating the component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the application provides an adjustable hanging bracket and a hanging method, and the problem that the eccentric prefabricated part is prone to severe inclination in the hanging process in the related technology can be solved.
As shown in fig. 1 and 2, the embodiment of the present application provides an adjustable hanger for hoisting a prefabricated part 9. The adjustable hanger comprises a frame body and a carrying pole beam 3.
The frame body includes two distribution beams 1 and a connection beam 2 connecting the two distribution beams 1. The two distribution beams 1 are arranged parallel to each other. In this embodiment, there are two connection beams 2, and the connection beams 2 are vertically connected to the distribution beam 1 to ensure the integrity of the frame.
Optionally, the distribution beam 1 and the connecting beam 2 are made of i-steel or H-steel.
The two carrying pole beams 3 are arranged in parallel, the two carrying pole beams 3 can be moved and vertically arranged on the two distribution beams 1, the two ends of each carrying pole beam 3 are respectively provided with a hanging rod 4 in a penetrating way, and the carrying pole beams 3 are connected with the prefabricated parts 9 through the hanging rods 4. Optionally, the carrying pole beam 3 is of a double-split i-shaped steel structure.
In this embodiment, each suspension rod 4 is aligned with a suspension point hole of the prefabricated part 9 when the prefabricated part 9 is hoisted, and the frame is disposed at a position where the prefabricated part 9 reaches a moment equilibrium state.
The adjustable hanger of the embodiment of the application, moreover, the steam generator is simple in structure, before the operation of hoisting, can be according to the centre of gravity position of the prefabricated component 9 to be hoisted, set for the fixed position of distribution beam and carrying pole beam 3 on the prefabricated component 9, then fix a position the installation according to the fixed position of setting for, make every jib just to a hoisting point hole department of prefabricated component respectively, and the position when the framework is set up at the prefabricated component 9 and reaches moment balance state, therefore, not only can realize the balanced hoist and mount of prefabricated component, solve the problem of the serious slope of big eccentric prefabricated component hoist and mount, eliminate the potential safety hazard, still can satisfy the prefabricated component hoist and mount operation of different eccentric degrees, reduce the input of hanger kind and quantity.
In this embodiment, two ends of each distribution beam 1 are provided with brackets 5, and a tie bar 6 penetrates between two brackets 5 on the same distribution beam 1, that is, the two brackets 5 on the same distribution beam 1 are tightened by the tie bar. The part of the tension bar 6 between the two brackets 5 sequentially passes through the two carrying pole beams 3 and is fixedly connected with the two carrying pole beams 3 respectively, so that the carrying pole beams 3 are prevented from sliding in the hoisting process.
Preferably, lifting lugs 7 are arranged at both ends of each distribution beam 1, and the lifting lugs 7 are connected with a lifting hook 8 of a crane through a lifting rope. Optionally, the hoist rope is a steel rope.
In this embodiment, each lifting lug 7 comprises two lug plates, the two lug plates are arranged in parallel, and the two lug plates are provided with corresponding lifting lug holes. The pin shafts penetrate through the two lifting lug holes, and one ends of the lifting ropes are fixedly connected with the pin shafts, so that the lifting hooks 8 of the crane lift the distribution beam 1, and the prefabricated part is lifted.
Further, the center of the hook 8 is aligned with the center of gravity of the housing. In this embodiment, the center of the frame body is at the same point as the center of gravity.
As shown in fig. 3, optionally, two parallel first reinforcing ribs 11 are further disposed between the two distribution beams 1, and both ends of each first reinforcing rib 11 are respectively located at one lifting lug 7 to increase the strength at the lifting lug 7.
Optionally, a second cross-shaped reinforcing rib is further provided between the two distribution beams 1 to further increase the strength of the distribution beams 1.
In this embodiment, when the prefabricated part 9 is hoisted, the distance between the center of gravity of the frame and the center of gravity of the prefabricated part 9 is a first distance, the distance between the center of gravity of the frame and the centers of the two shoulder pole beams 3 is a second distance, and the product of the first distance and the weight of the prefabricated part 9 is equal to the product of the second distance and the weight of the two shoulder pole beams 3, the prefabricated part 9 reaches a moment balance state.
Alternatively, the tension bar 6 is made of PSB90 finish-rolled screw steel or the like, the hanger bar 4 is made of 45# steel, and the distribution beam 1, the tie beam 2 and the shoulder pole beam 3 are made of Q235 steel plate and section steel materials.
In other embodiments, the frame may be a truss structure.
Optionally, stiffening plates may be further added to the shoulder pole beam 3 and the distribution beam 1, and the stiffening plates may be arranged in an encrypted manner at the lifting lugs 7 of the distribution beam 1 and at the lifting holes of the shoulder pole beam 3, so as to increase the overall strength of the hanger.
As shown in fig. 4, an embodiment of the present application further provides a hoisting method based on the adjustable hanger, which includes the steps of:
s1, fixing two carrying pole beams 3 on a frame body, then integrally hoisting the frame body fixed with the carrying pole beams 3 to a prefabricated part 9, enabling each hoisting rod 4 to be right opposite to one hoisting point hole of the prefabricated part 9, and enabling the frame body to be arranged at a position which enables the prefabricated part 9 to reach a moment balance state during hoisting.
And S2, connecting and fixing the two carrying pole beams 3 and the prefabricated part 9 through the hanger rods 4 to finish the installation of the carrying pole beams 3.
And S3, connecting the frame body to a lifting hook 8 of the crane through a lifting rope, and keeping the center of the lifting hook 8 and the center of gravity of the frame body on the same straight line.
Further, brackets 5 are provided at both ends of each distribution beam 1.
The fixing of the two carrying pole beams 3 to the frame in the step S1 specifically includes:
first, the position of the center of gravity of the prefabricated member 9 is calculated, and the fixing positions of the shoulder pole beam 3 and the spreader beam 1 to the prefabricated member 9 are determined based on the position of the center of gravity of the prefabricated member 9.
Then, the relative positions of the spreader beam 1 and the spreader beam 3 are determined based on the fixing positions of the spreader beam 1 and the spreader beam 3 on the precast members 9, and the fixing positions of the spreader beams 1 and the spreader beams 3 on the spreader beam 1 are marked.
Finally, according to the fixed positions marked above, the opposite tension rod 6 is sequentially passed through the corbel 5 at one end of the distribution beam 1, the two shoulder pole beams 3 and the corbel 5 at the other end, and both sides of each shoulder pole beam 3 and the opposite outer sides of the two corbels 5 are locked by the first nuts 61.
In this embodiment, each of the pair of tension rods 6 is provided with six first nuts 61.
Specifically, the opposite pulling rod penetrates through one bracket 5 and then is sleeved with one first nut, penetrates through one carrying pole beam 3 and then is sleeved with two first nuts, penetrates through the other carrying pole beam 3 and then is sleeved with one first nut, and finally penetrates out of the other bracket 5. At this time, the two ends of the tension bar 6, that is, the opposite outer sides of the two corbels 5 are respectively tensioned between the two corbels 5 by a first nut, so that the carrying pole beam 3 can be positioned by the first nuts on both sides of the carrying pole beam 3.
In the present embodiment, when the distance between the center of gravity of the frame and the center of gravity of the prefabricated member 9 is a first distance and the distance between the center of gravity of the frame and the centers of the two shoulder pole beams 3 is a second distance, and the product of the first distance and the weight of the prefabricated member 9 is equal to the product of the second distance and the weight of the two shoulder pole beams 3, the prefabricated member 9 reaches a moment equilibrium state.
As shown in fig. 5, the shoulder pole beam 3 is further provided with a lifting hole through which the suspension rod 4 passes. In step S2, the step of connecting and fixing the two carrying pole beams 3 and the prefabricated parts 9 by the suspension rods 4 specifically includes:
the suspender 4 sequentially passes through the hoisting hole of the shoulder pole beam 3 and the hoisting point hole of the prefabricated part 9, the two ends of the suspender 4 which penetrate out of the shoulder pole beam 3 and the prefabricated part 9 are respectively locked and reinforced by a second nut 41 and a base plate 42, and the hoisting operation can be carried out after the reinforcement is finished.
In this embodiment, in order to ensure the balance of the hoisting process, the centers of the two carrying pole beams 3, that is, the centers of the plurality of hanging rods 4, coincide with the centers of the plurality of hanging point holes, and the overall center of gravity of the prefabricated part 9 and the hanging bracket and the center of the hanging hook 8 are maintained on the same vertical line.
The sum of the weight of the precast member is G1 and the weight of the two shoulder pole beams 3 is G2. Since the center of gravity of the distribution beam 1 is always at the center position of the hook 8, the distribution beam 1 is considered not to affect the balance state of the hoisting process. Through calculation, the horizontal distance of the gravity center of the prefabricated part from the centers of the plurality of hoisting point holes is L, namely the horizontal distance of the gravity center of the prefabricated part from the center line of the lifting hook 8 in normal hoisting is L-L0.
When the horizontal distance between the gravity center of the frame body and the centers of the plurality of hanging point holes is L0, namely the distance between the gravity center of the prefabricated member and the gravity center of the frame body is L-L0, the following conditions are satisfied:
G2×L0＝G1×(L-L0)
i.e., L0 is: l0 ═ G1 XL/(G1 + G2)
Alternatively, when the weight of the prefabricated part 9 is much greater than that of the shoulder pole beam 3, the first distance is negligible, i.e., the center of gravity of the prefabricated part 9 is on the same vertical line as that of the frame body when being hoisted.
The hoisting mode of this embodiment is applicable to above-mentioned gallows with adjustable each, and not only easy operation, and can ensure that eccentric prefabricated component keeps balanced state at the hoist and mount in-process, prevents to appear because of the serious condition that leads to of eccentricity prefabricated component heels, ensures construction safety.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a gallows with adjustable for hoist and mount prefabricated component (9), its characterized in that, it includes:
the frame body comprises two parallel distribution beams (1) and a connecting beam (2) for connecting the two distribution beams (1);
two carrying pole beams (3) are arranged, the two carrying pole beams (3) are arranged in parallel and can be moved and vertically arranged on the two distribution beams (1), and two ends of each carrying pole beam (3) are respectively provided with a hanging rod (4) in a penetrating way for being connected with the prefabricated part (9); each suspension rod (4) is opposite to a suspension point hole of the prefabricated part (9) when the prefabricated part (9) is hoisted, and the frame is arranged at the position when the prefabricated part (9) reaches a moment balance state.
2. The adjustable hanger of claim 1, wherein: every distributing beam (1) both ends all are equipped with bracket (5), wear to be equipped with between two bracket (5) that are located on same distributing beam (1) to dragline bar (6), two shoulder pole roof beams (3) are passed in proper order to the part that dragline bar (6) are located between two bracket (5) to respectively with two shoulder pole roof beams (3) fixed connection.
3. The adjustable hanger of claim 1, wherein: lifting lugs (7) are arranged at two ends of each distribution beam (1), and the lifting lugs (7) are connected with lifting hooks (8) of a crane through lifting ropes.
4. The adjustable hanger of claim 3, wherein: the center of the lifting hook (8) and the center of gravity of the frame body are on the same straight line.
5. The adjustable hanger of claim 3, wherein: two first reinforcing ribs (11) which are arranged in parallel are further arranged between the two distribution beams (1), and two ends of each first reinforcing rib (11) are respectively positioned at one lifting lug (7).
6. The adjustable hanger of claim 1, wherein: and taking the distance between the gravity center of the frame body and the gravity center of the prefabricated part (9) as a first distance, taking the distance between the gravity center of the frame body and the centers of the two carrying pole beams (3) as a second distance, and when the product of the first distance and the weight of the prefabricated part (9) is equal to the product of the second distance and the weight of the two carrying pole beams (3), the prefabricated part (9) reaches a moment balance state.
7. The hoisting method based on the adjustable hanger frame of claim 1 is characterized by comprising the following steps:
fixing two shoulder pole beams (3) on a frame body, then hoisting the frame body fixed with the shoulder pole beams (3) to a prefabricated part (9) to enable each hoisting rod (4) to be respectively aligned to one hoisting point hole of the prefabricated part (9), and arranging the frame body at a position which reaches a moment balance state when the prefabricated part (9) is hoisted;
the two carrying pole beams (3) are connected and fixed with the prefabricated part (9) through a suspender (4);
the frame body is connected to a hook (8) of a crane through a lifting rope, and the center of the hook (8) and the center of gravity of the frame body are kept on the same straight line.
8. The hoisting method according to claim 7, wherein the two ends of each spreader beam (1) are provided with brackets (5), and the fixing of the two carrying pole beams (3) to the frame body comprises:
calculating the gravity center position of the prefabricated part (9), and respectively determining the fixed positions of the shoulder pole beam (3) and the distribution beam (1) on the prefabricated part (9);
marking the fixed positions of two shoulder pole beams (3) on the distributing beam (1);
according to the marked fixed position, the opposite tension rod (6) sequentially penetrates through the bracket (5) at one end of the distribution beam (1), the two carrying pole beams (3) and the bracket (5) at the other end, and the two sides of each carrying pole beam (3) and the opposite outer sides of the two brackets (5) are locked through the first nuts (61).
9. The hoisting method according to claim 8, characterized in that:
and taking the distance between the gravity center of the frame body and the gravity center of the prefabricated part (9) as a first distance, taking the distance between the gravity center of the frame body and the centers of the two carrying pole beams (3) as a second distance, and when the product of the first distance and the weight of the prefabricated part (9) is equal to the product of the second distance and the weight of the two carrying pole beams (3), the prefabricated part (9) reaches a moment balance state.
10. The hoisting method according to claim 8, wherein the carrying pole beam (3) is provided with hoisting holes for the suspension rods (4) to pass through, and the suspension rods (4) are used for connecting and fixing the two carrying pole beams (3) and the prefabricated parts (9), and specifically comprises the following steps:
and the suspender (4) sequentially passes through the hoisting hole of the shoulder pole beam (3) and the hoisting point hole of the prefabricated part (9), and the two ends of the suspender (4) which pass through the shoulder pole beam (3) and the prefabricated part (9) are respectively locked by a second nut (41) and a base plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011321351.4A CN112340589A (en) | 2020-11-23 | 2020-11-23 | An adjustable hanger and hoisting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011321351.4A CN112340589A (en) | 2020-11-23 | 2020-11-23 | An adjustable hanger and hoisting method |
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| Publication Number | Publication Date |
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| CN112340589A true CN112340589A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011321351.4A Pending CN112340589A (en) | 2020-11-23 | 2020-11-23 | An adjustable hanger and hoisting method |
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| Country | Link |
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| CN (1) | CN112340589A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060634A (en) * | 2021-04-22 | 2021-07-02 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane with a movable crane |
| CN114408725A (en) * | 2022-03-02 | 2022-04-29 | 中国建筑第六工程局有限公司 | Large-scale hoist of adjustable focus |
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| JPH07291572A (en) * | 1994-04-22 | 1995-11-07 | Ishikawajima Harima Heavy Ind Co Ltd | Hanging equipment |
| CN101408020A (en) * | 2008-11-13 | 2009-04-15 | 中铁十局集团有限公司 | Integral lifting rack of movable mould frame and method for hanging movable mould frame thereof |
| CN101445208A (en) * | 2008-12-29 | 2009-06-03 | 中铁二局股份有限公司 | Hanger for lifting construction of bridge cable |
| CN202323722U (en) * | 2011-11-11 | 2012-07-11 | 中铁八局集团第二工程有限公司 | Hanger used for bridge erecting machine |
| CN104828691A (en) * | 2015-04-27 | 2015-08-12 | 中铁工程机械研究设计院有限公司 | Stepless adjustable lifting appliance for large-tonnage eccentric box girders |
| CN213923706U (en) * | 2020-11-23 | 2021-08-10 | 中铁大桥局第九工程有限公司 | Adjustable hanger |
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2020
- 2020-11-23 CN CN202011321351.4A patent/CN112340589A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07291572A (en) * | 1994-04-22 | 1995-11-07 | Ishikawajima Harima Heavy Ind Co Ltd | Hanging equipment |
| CN101408020A (en) * | 2008-11-13 | 2009-04-15 | 中铁十局集团有限公司 | Integral lifting rack of movable mould frame and method for hanging movable mould frame thereof |
| CN101445208A (en) * | 2008-12-29 | 2009-06-03 | 中铁二局股份有限公司 | Hanger for lifting construction of bridge cable |
| CN202323722U (en) * | 2011-11-11 | 2012-07-11 | 中铁八局集团第二工程有限公司 | Hanger used for bridge erecting machine |
| CN104828691A (en) * | 2015-04-27 | 2015-08-12 | 中铁工程机械研究设计院有限公司 | Stepless adjustable lifting appliance for large-tonnage eccentric box girders |
| CN213923706U (en) * | 2020-11-23 | 2021-08-10 | 中铁大桥局第九工程有限公司 | Adjustable hanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060634A (en) * | 2021-04-22 | 2021-07-02 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane with a movable crane |
| CN114408725A (en) * | 2022-03-02 | 2022-04-29 | 中国建筑第六工程局有限公司 | Large-scale hoist of adjustable focus |
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