CN223722538U - Portal rigid frame beam lifting device suitable for limited lifting height - Google Patents
Portal rigid frame beam lifting device suitable for limited lifting heightInfo
- Publication number
- CN223722538U CN223722538U CN202520373943.2U CN202520373943U CN223722538U CN 223722538 U CN223722538 U CN 223722538U CN 202520373943 U CN202520373943 U CN 202520373943U CN 223722538 U CN223722538 U CN 223722538U
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- hoisting
- limited
- clamp
- device suitable
- lifting
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Abstract
The utility model discloses a portal rigid frame beam hoisting device suitable for limited hoisting height, which comprises an automobile crane, a hoisting beam and a plurality of clamp bodies, wherein the plurality of clamp bodies are sleeved on the hoisting beam at intervals, two steel wires of the automobile crane are connected to the tops of two clamp bodies in the plurality of clamp bodies, the bottoms of the plurality of clamp bodies are used for hoisting portal rigid frame beams, mounting holes matched with the appearance of the hoisting beam are formed in the clamp bodies, hoisting parts are arranged at two ends of the top and the bottom of the clamp bodies, a plurality of fastening assemblies are symmetrically arranged on the front side and the rear side of the clamp bodies, and the clamp bodies are fixed on the hoisting beam by the fastening assemblies. The device can be high-efficient swiftly carry out accurate installation with limited hoist and mount high portal frame roof beam, be convenient for install and dismantle, show and promote installation work efficiency, increased the factor of safety in the installation.
Description
Technical Field
The utility model relates to the technical field of steel structure hoisting construction, in particular to a door type rigid frame beam hoisting device suitable for limited hoisting height.
Background
In the field of modern architecture, the portal rigid frame structure is widely applied to the main body structural design of large-scale exhibition halls, large-span factory buildings and freight station houses due to the tradition of a structural system of the portal rigid frame structure. The structural system mainly comprises key components such as cup opening columns, rigid frame beams, inclined supports, column supports, purlines, tie bars, water supports, braces and the like. The method has the remarkable characteristics of simple stress mode, clear force transmission path, quick and efficient member manufacturing, convenience for factory standardized processing, short construction period and the like. Based on the traditional construction method of the portal rigid frame structure, most projects tend to select reasonable hoisting machinery and hoisting flow to hoist the portal rigid frame structure, the construction process is relatively simple, and the construction process is not influenced by other external factors. However, in steel structure hoisting engineering within a limited hoisting height, engineering technicians often fail to pay enough attention, and the existing hoisting technology is difficult to meet the construction requirements of limited height. Therefore, designing a portal rigid frame structure lifting device suitable for limited lifting height has become a hotspot problem for engineering community attention and research.
At present, aiming at the installation of a portal rigid frame beam under the condition of limited height, a single-machine two-point hoisting and double-machine hoisting construction method is generally adopted, and the traditional construction technology has defects, including a large amount of manpower, machinery and tooling material investment, and the construction cost is high. In addition, the problem of hoisting operation under strict height limiting conditions is not solved effectively, the hoisting safety coefficient is low, the hoisting precision and efficiency are often not guaranteed sufficiently, and the construction process faces a plurality of challenges. In particular, in the limit of the flight area of an airport, the height limiting requirement is very strict, so that the lifting height of the hoisting machinery is strictly controlled within the specified limiting height, the smooth construction of the door type rigid frame structure in the limited lifting height is ensured, and the requirements of safety, quality and efficiency are met.
Disclosure of utility model
The utility model aims to provide a door type rigid frame beam hoisting device suitable for limited hoisting height, which solves the hoisting problem of the door type rigid frame beam in the steel structure engineering with limited hoisting height.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The door type rigid frame beam hoisting device comprises a steel wire rope, a hoisting cross beam and a plurality of clamp bodies, wherein the plurality of clamp bodies are sleeved on the hoisting cross beam at intervals, two ends of the steel wire rope hung on an automobile hoisting sling are connected to the tops of two clamp bodies in the plurality of clamp bodies, and the bottoms of the plurality of clamp bodies are used for hoisting the door type rigid frame beam;
The clamp is characterized in that mounting holes matched with the appearance of the hoisting beam are formed in the clamp body, hoisting parts are arranged at the top and bottom of the clamp body, a plurality of fastening components are symmetrically arranged on the front side and the rear side of the clamp body, and the clamp body is fixed on the hoisting beam by the fastening components.
Preferably, the clamp body and the two hanging parts are integrally formed by steel plates.
Preferably, a lifting hole is formed in the lifting portion.
Preferably, the lifting hole at the top is connected with the end of the steel wire rope, and the lifting hole at the bottom is used for lifting the portal frame girder through a connecting rope.
Preferably, the fastening assembly comprises a base fixedly arranged on the clamp main body and an adjusting bolt adjustably arranged on the base through threads.
Preferably, a lock nut is provided on the adjusting bolt.
Preferably, four fastening components are arranged on the front side surface and the rear side surface of the clamp main body, two fastening components are located on the left side or the right side of the mounting hole and used for being abutted against the web plate of the hoisting beam, and the other two fastening components are located on the upper side and the lower side of the mounting hole and used for being abutted against the upper flange and the lower flange of the hoisting beam.
Preferably, the clamp body is provided with a connecting hole, the base is provided with a threaded hole, and the base is connected to the clamp body through a bolt.
According to the utility model, the clamp main body is sleeved on the hoisting cross beam through the mounting holes arranged on the clamp main body, and different numbers of clamps are selectively mounted according to the span of the portal frame beam during use, so that the stability in the hoisting process is improved. The fastening assembly that sets up can carry out quick fixed to the anchor clamps main part, and the installation of being convenient for is dismantled, can repeatedly have enough to meet the need the use, has improved hoist and mount efficiency.
According to the utility model, the connection position of the steel wire rope is changed, for example, when a construction project with limited height requirements is met, the steel wire rope is connected with two clamp bodies positioned at the outermost ends of a plurality of clamp bodies, or the clamp bodies are moved outwards, so that the distance between an automobile crane lifting point and a lifting beam is shortened according to requirements, the lifting height of the automobile crane is greatly reduced, the occurrence of ultrahigh conditions is avoided, and the safety and controllability of an airport flight area are ensured.
The hoisting device is simple and convenient in structure and convenient in processing process, steel materials which are common in steel structure processing factories are mainly used as main materials, the steel materials are easy to obtain, and turnover and reuse can be carried out after the steel materials are used.
Compared with the traditional hoisting method, the hoisting of the portal rigid frame beam under the limited height condition is greatly realized, and the hoisting efficiency can be improved. When the construction area with more strict height limiting requirements is constructed, the hoisting point can be changed by adjusting the position of the clamp main body quickly, so that the hoisting height of the automobile crane is greatly reduced, and the clearance condition of the flight area is ensured to be fully maintained.
In addition, the device also has high adaptability and flexibility, and can be rapidly adjusted according to diversified hoisting requirements and site conditions. In general, the device obviously improves the construction efficiency and the safety while guaranteeing the construction quality, provides an innovative solution for the door-type rigid frame structure construction in a limited hoisting height, has a certain economic value potential, and can be popularized and used in the engineering of a height limiting area.
The device can be high-efficient swiftly carry out accurate installation with limited hoist and mount high portal frame roof beam, be convenient for install and dismantle, show and promote installation work efficiency, increased the factor of safety in the installation. The clamp main body has the capability of changing lifting points, and can effectively reduce the height required by the automobile crane during construction, thereby reducing the construction difficulty. Meanwhile, the integral stability of the portal rigid frame beam in the hoisting process is ensured, and a powerful guarantee is provided for construction safety.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model in an installed state;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of a hoisting structure according to the present utility model;
1, a clamp main body; 2, a portal rigid frame beam, 3, a hoisting part, 4, a hoisting hole, 5, a fastening component, 6, a hoisting cross beam, 7, a steel wire rope, 8, a connecting rope, 10, a mounting hole, 50, a base, 51, an adjusting bolt, 52 and a locking nut.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
The door type rigid frame beam lifting device suitable for limited lifting height as shown in fig. 1-3 comprises a steel wire rope 7, a lifting cross beam 6 and a plurality of clamp main bodies 1, wherein the plurality of clamp main bodies 1 are sleeved on the lifting cross beam 6 at intervals, two ends of the steel wire rope 7 hung on an automobile lifting sling are connected to the tops of two clamp main bodies 1 in the plurality of clamp main bodies 1, and the bottoms of the plurality of clamp main bodies 1 are used for lifting the door type rigid frame beam 2.
The clamp body 1 is provided with a mounting hole 10 which is matched with the appearance of the lifting beam 6, and the clamp body 1 is sleeved on the lifting beam 6 through the mounting hole and is adjusted to a specified position.
The two ends of the top and the bottom of the clamp main body 1 are respectively provided with the hoisting parts 3, and the clamp main body 1 and the two hoisting parts 3 are integrally made of steel plates, so that the manufacturing cost is reduced. The top of the hoisting part 3 is arc-shaped. In a preferred embodiment, the clamp body 1 is formed by splicing left and right single bodies.
The hoisting part 3 is provided with a hoisting hole 4, the hoisting hole 4 at the top is connected with the end head of the steel wire rope 7, and the hoisting hole 4 at the bottom is used for hoisting the portal rigid frame beam 2 through a connecting rope 8.
A plurality of fastening components 5 are symmetrically arranged on the front side and the rear side of the clamp main body 1, and the clamp main body 1 is fixed on the lifting beam 6 by the fastening components 5. The fastening assembly 5 includes a base 50 fixedly mounted on the clamp body 1 and an adjusting bolt 51 adjustably mounted on the base 50 by screw threads. A lock nut 52 is provided on the adjusting bolt 51.
In a preferred embodiment, four fastening components 5 are arranged on the front side and the rear side of the clamp body 1, two fastening components 5 are located on the left side or the right side of the mounting hole 10 and used for being abutted against the web plate of the lifting beam 6, and the other two fastening components 5 are located on the upper side and the lower side of the mounting hole 10 and used for being abutted against the upper flange and the lower flange of the lifting beam 6, so that the lifting beam 6 is fixed from multiple directions. After the clamp body 1 is sleeved on the lifting beam 6, the adjusting bolt 51 is abutted against the web plate and the upper wing plate and the lower wing plate of the lifting beam 6, and the position of the adjusting bolt 51 is locked by using the locking nut 52, so that the clamp body 1 is fixed on the lifting beam 6.
In a preferred embodiment, the clamp body 1 is provided with a connecting hole, the back of the base 50 is provided with a threaded hole, the base 50 is fixedly connected to the clamp body 1 by passing through the connecting hole through the threaded hole through a bolt, and the base 50 can be fixedly mounted on the clamp body 1 by welding.
The door type rigid frame beam hoisting steps are as follows:
(1) In order to ensure the smooth and safe lifting operation of the portal rigid frame beam, the lifting beam is firstly placed on a flat and firm field, and then a plurality of groups of clamp bodies are sleeved on the beam by experienced operators from two ends of the beam and move to a preset lifting point position.
(2) And 8 groups of adjusting bolts on two sides of each clamp main body are sequentially fastened and tightly attached to the flange and the web plate of the lifting beam so as to prevent the clamp main body from slipping due to vibration or gravity in the lifting process.
(3) The automobile crane starts the suspension arm thereof, slowly lifts the lifting hook, then installs the wire rope on the lifting hook, and an operator uses the shackle to tightly connect the wire rope with the lifting holes sleeved on the upper parts of the two clamp main bodies on the cross beam, so that the safety and the stability of the whole lifting process are ensured.
(4) The door type rigid frame beam is in place, 6 groups of shackles and connecting ropes are prepared and connected with 6 lifting holes in the lower part of the clamp main body, the lower section of the steel wire rope is connected with lifting lugs of the door type rigid frame beam through the shackles, so that lifting safety is guaranteed, all shackles are fastened in place, namely the lifting device is connected with the door type rigid frame beam to be installed, and foundation conditions are laid for subsequent lifting operation.
(5) After the preliminary preparation work is completed, the door type rigid frame beam is lifted to the designated position by the automobile crane, and constructors need to be closely combined to install the door type rigid frame structure. And after the door-type rigid frame beam is installed in place and all the connecting nodes are firm, the 6-group shackle and the lifting lug of the door-type rigid frame beam are detached, and then the door-type rigid frame beam lifting is completed.
In the hoisting process, the steel wire rope is connected with the two clamp bodies positioned at the outermost ends of the plurality of clamp bodies, or the clamp bodies are moved outwards, so that the distance between the hoisting points of the automobile crane and the hoisting cross beam is shortened according to requirements, the hoisting height of the automobile crane is greatly reduced, the occurrence of ultrahigh condition is avoided, and the safety and the controllability are ensured.
The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.
Claims (8)
1. The door type rigid frame beam hoisting device suitable for the limited hoisting height is characterized by comprising a steel wire rope (7), a hoisting cross beam (6) and a plurality of clamp main bodies (1), wherein the plurality of clamp main bodies (1) are sleeved on the hoisting cross beam (6) at intervals, two ends of the steel wire rope (7) which is hung on an automobile hoisting sling are connected to the tops of two clamp main bodies (1) in the plurality of clamp main bodies (1), and the bottoms of the plurality of clamp main bodies (1) are used for hoisting the door type rigid frame beam (2);
Be provided with on anchor clamps main part (1) with hoist and mount crossbeam (6) appearance looks adaptation mounting hole (10), all be provided with hoist and mount portion (3) at anchor clamps main part (1) top and bottom both ends anchor clamps main part (1) front and back both sides face symmetry sets up a plurality of fastening components (5), a plurality of fastening components (5) are fixed anchor clamps main part (1) on hoist and mount crossbeam (6).
2. The portal frame girder hoisting device suitable for limited hoisting height according to claim 1, wherein the clamp body (1) and the two hoisting parts (3) are integrally made of steel plates.
3. The portal frame girder hoisting device suitable for the limited hoisting height according to claim 2, wherein a hoisting hole (4) is arranged on the hoisting part (3).
4. The portal frame girder hoisting device suitable for limited hoisting height according to claim 3, wherein the hoisting hole (4) at the top is connected with the end of the steel wire rope (7), and the hoisting hole (4) at the bottom is used for hoisting the portal frame girder (2) through a connecting rope (8).
5. The portal frame girder lifting device suitable for limited lifting height according to claim 1 or 4, wherein the fastening assembly (5) comprises a base (50) fixedly provided on the jig main body (1) and an adjusting bolt (51) adjustably installed on the base (50) through threads.
6. The portal frame girder hoisting device suitable for limited hoisting height according to claim 5, wherein a lock nut (52) is provided on the adjusting bolt (51).
7. The portal frame girder hoisting device suitable for limited hoisting height according to claim 6, wherein four fastening components (5) are arranged on the front side surface and the rear side surface of the clamp main body (1), two fastening components (5) are positioned on the left side or the right side of the mounting hole (10) and used for being abutted against the web plate of the hoisting cross beam (6), and the other two fastening components (5) are positioned on the upper side and the lower side of the mounting hole (10) and used for being abutted against the upper wing plate and the lower wing plate of the hoisting cross beam (6).
8. The portal frame girder lifting device for limited lifting height according to claim 7, wherein a connecting hole is formed in the clamp body (1), a threaded hole is formed in the base (50), and the base (50) is connected to the clamp body (1) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520373943.2U CN223722538U (en) | 2025-03-05 | 2025-03-05 | Portal rigid frame beam lifting device suitable for limited lifting height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520373943.2U CN223722538U (en) | 2025-03-05 | 2025-03-05 | Portal rigid frame beam lifting device suitable for limited lifting height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223722538U true CN223722538U (en) | 2025-12-26 |
Family
ID=98135481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520373943.2U Active CN223722538U (en) | 2025-03-05 | 2025-03-05 | Portal rigid frame beam lifting device suitable for limited lifting height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223722538U (en) |
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2025
- 2025-03-05 CN CN202520373943.2U patent/CN223722538U/en active Active
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