CN217760118U - Steel truss integral lifting device with limiting and locking functions - Google Patents
Steel truss integral lifting device with limiting and locking functions Download PDFInfo
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- CN217760118U CN217760118U CN202221517509.XU CN202221517509U CN217760118U CN 217760118 U CN217760118 U CN 217760118U CN 202221517509 U CN202221517509 U CN 202221517509U CN 217760118 U CN217760118 U CN 217760118U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 210000001503 joint Anatomy 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a steel truss integral lifting device with limiting and locking functions, which comprises a lifting unit, wherein the lifting unit is fixedly arranged on a main steel structure and comprises a supporting component, a lifting component arranged on the supporting component and a limiting and locking component; the support component comprises a support frame and a fixing part a plurality of lift arms mounted on the support frame; the lifting assembly includes a riser having one end fixedly secured to the lift arm and a lifting rigging fixedly secured to the riser; the limiting locking assembly comprises an inverted U-shaped support and a limiting baffle detachably mounted on the inverted U-shaped support, and the inverted U-shaped support is connected to the lifting arm in a hanging mode. The device can carry on spacingly when large-scale steel trusses such as whole promotion rectangle, ring shape, prevent to appear skew and the uneven phenomenon of atress, can lock the butt joint gesture during butt joint operation, safe and reliable, the commonality is strong, and the practicality is strong.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to steel truss whole lifting device with spacing locking function.
Background
After the steel structure is lifted in place, if an effective fixing, limiting and locking device cannot be adopted, the hydraulic lifter and a power system thereof always keep in a running stress state, the weight of the large-span lifted steel structure is generally large, the stability of the steel structure is difficult to maintain after the steel structure is lifted in place, and the structure is easy to butt joint and deviate. The requirements on lifting equipment and a power device thereof are high, the running load of the equipment is increased, and potential safety hazards and quality problems caused by instability of the equipment are caused.
The traditional "fine setting, inching" function that adopts hydraulic pressure synchronous control system makes each lifting hoisting point reach the design position, locks hydraulic pressure lifting mechanism, waits for structure installation back benefit section, welding operation. According to the scheme, the period of the subsequent repair welding operation of the steel structure is long, the load period of the hydraulic lifter and the steel wire rope is increased, and the safety risk is greatly increased.
In the prior art, the steel strand is automatically locked when the anchorage works by the unidirectional self-locking function of wedge-shaped anchorages at two ends of a hydraulic lifter; when the anchorage device does not work, the steel strand is released and can move up and down. The scheme has higher requirement on the locking structure of the anchor of the lifter, and the steel strand is always in a stressed state, so that the safety and the stability are difficult to ensure. The large-span steel structure promotes the section of inlaying great, only leans on vertical locking steel strand wires to be difficult to guarantee to promote steel truss horizontal stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel truss integral lifting device with spacing locking function, the device can carry on spacingly when large-scale steel trusses such as integral lifting rectangle, ring shape, prevent skew and the uneven phenomenon of atress from appearing, can lock the butt joint gesture during the butt joint operation, safe and reliable, the commonality is strong, and the practicality is strong.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a steel truss integral lifting device with a limiting and locking function comprises a lifting unit, wherein the lifting unit is fixedly arranged on a main steel structure and comprises a supporting component, a lifting component arranged on the supporting component and a limiting and locking component;
the supporting assembly comprises a supporting frame and a plurality of lifting arms fixedly arranged on the supporting frame;
the lifting assembly includes a riser having one end fixedly secured to the lift arm and a lifting rigging fixedly secured to the riser;
the limiting locking assembly comprises an inverted U-shaped support and a limiting baffle detachably mounted on the inverted U-shaped support, and the inverted U-shaped support is connected to the lifting arm in a hanging mode.
Preferably, four groups of lifting units are arranged, the four groups of lifting units are integrally arranged in a rectangular shape, and each group of lifting units is positioned at the corner position of the rectangle.
Preferably, the bottom of the lifting arm is obliquely and fixedly provided with a support rib, and one end of the support rib is fixedly arranged on the main steel structure.
Preferably, the inverted U-shaped support is composed of a box-shaped beam and hanging steel belts arranged at two ends of the box-shaped beam in parallel, two mounting holes are formed in the tail end of the side face of each hanging steel belt at intervals, limiting baffles are inserted into the mounting holes and can limit and lock the steel truss structure in the inverted U-shaped support.
Preferably, the limiting baffle is cuboid, and the mounting hole is matched with the limiting baffle.
Preferably, a through hole is formed in the lifting arm, and one end of the lifting rigging penetrates through the through hole and is located on the lower side of the lifting arm.
Compared with the prior art the utility model has the following characteristics and beneficial effect: the four lifting units work together, and can integrally lift large steel trusses such as rectangular steel trusses and circular steel trusses; the limiting locking assembly can prevent the steel truss from deviating and bearing unevenly, and when in butt joint, the auxiliary lifting assembly adjusts the butt joint posture, and carries out limiting locking on the steel truss to relieve the pressure of the lifting assembly.
Drawings
Fig. 1 is a schematic view of the lifting unit structure of the present invention.
Fig. 2 is the overall structure diagram of the present invention.
In the figure: 1. a lifting unit; 2. a support assembly; 3. a lifting assembly; 4. a limiting and locking assembly; 20. a support frame; 21. a lift arm; 22. a support rib; 30. a lifter; 31. lifting the rigging; 40. an inverted U-shaped bracket; 41. a limit baffle; 400. a box beam; 401. hanging a steel belt; 403 reinforcing the plate.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and 2, the steel truss integral lifting device with the limiting and locking functions comprises a lifting unit 1, wherein the lifting unit 1 is fixedly arranged on a main steel structure, and comprises a support component 2, a lifting component 3 arranged on the support component 2 and a limiting and locking component 4; the support assembly 2 comprises a support frame 20 and a plurality of lifting arms 21 fixedly mounted on the support frame 20; the lifting assembly 3 comprises a lifter 30 and a lifting rigging 31 fixedly mounted on the lifter 30, one end of the lifter 30 is fixedly mounted on the lifting arm 21; the limit locking assembly 4 comprises an inverted U-shaped bracket 40 and a limit baffle 41 detachably arranged on the inverted U-shaped bracket 40, and the inverted U-shaped bracket 40 is hung on the lifting arm 21.
Four sets of lifting units 1 are arranged, the four sets of lifting units 1 are arranged in a rectangular shape on the whole, each set of lifting unit 1 is located at the corner position of the rectangle and used for lifting operation of large steel trusses such as rectangular and circular rings, the bottom of each lifting arm 21 is obliquely and fixedly provided with a support rib 22, one end of each support rib 22 is fixedly installed on a main steel structure, each inverted-U-shaped support 40 is composed of a box-shaped beam 400 and hanging steel belts 401 arranged at two ends of the box-shaped beam 400 in parallel, two installation holes are formed in the tail ends of the side faces of the hanging steel belts 401 at intervals, limiting baffles 41 are inserted into the installation holes, the limiting baffles 41 can limit and lock the steel truss structures located in the inverted-U-shaped supports 40, the limiting baffles 41 are cuboid-shaped and are matched with the limiting baffles 41, in one embodiment, reinforcing plates 403 are installed at the installation holes of the hanging steel belts 401 and used for increasing the strength of the installation holes, through holes are formed in the lifting arms 21, and one ends of the lifting rigging 31 penetrate through the through holes and are located at the lower sides of the lifting arms 21.
The above embodiments are merely a plurality of descriptions of the concept and implementation of the present invention, and are not limited thereto.
Claims (6)
1. The utility model provides a steel truss integral lifting device with spacing locking function which characterized in that: the lifting unit (1) is fixedly arranged on a main steel structure, and the lifting unit (1) comprises a support component (2), a lifting component (3) arranged on the support component (2) and a limiting locking component (4);
the supporting component (2) comprises a supporting frame (20) and a plurality of lifting arms (21) fixedly arranged on the supporting frame (20);
the lifting assembly (3) comprises a lifter (30) and a lifting rigging (31) fixedly mounted on the lifter (30), the lifter (30) is fixedly mounted on the lifting arm (21) at one end;
the limiting locking assembly (4) comprises an inverted U-shaped support (40) and a limiting baffle (41) detachably mounted on the inverted U-shaped support (40), and the inverted U-shaped support (40) is hung on the lifting arm (21).
2. The steel truss integral lifting device with the limiting and locking functions as claimed in claim 1, wherein: the four groups of lifting units (1) are arranged, the four groups of lifting units (1) are arranged in a rectangular mode on the whole, and each group of lifting units (1) is located at the corner position of the rectangle.
3. The steel truss integral lifting device with the limiting and locking functions as claimed in claim 1 or 2, wherein: and a support rib (22) is obliquely and fixedly arranged at the bottom of the lifting arm (21), and one end of the support rib (22) is fixedly arranged on the main steel structure.
4. The steel truss integral lifting device with the limiting and locking functions as claimed in claim 3, wherein: the inverted U-shaped support (40) is composed of a box-shaped beam (400) and hanging steel strips (401) arranged at two ends of the box-shaped beam in parallel, two mounting holes are formed in the tail ends of the side faces of the hanging steel strips (401) at intervals, limiting baffles (41) are inserted into the mounting holes, and the limiting baffles (41) can limit and lock a steel truss structure in the inverted U-shaped support (40).
5. The steel truss integral lifting device with the limiting and locking functions as claimed in claim 4, wherein: the limiting baffle (41) is cuboid, and the mounting hole is matched with the limiting baffle (41).
6. The steel truss integral lifting device with the limiting and locking functions as claimed in claim 1, wherein: the lifting arm (21) is provided with a through hole, and one end of the lifting rigging (31) penetrates through the through hole and is positioned at the lower side of the lifting arm (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221517509.XU CN217760118U (en) | 2022-06-17 | 2022-06-17 | Steel truss integral lifting device with limiting and locking functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221517509.XU CN217760118U (en) | 2022-06-17 | 2022-06-17 | Steel truss integral lifting device with limiting and locking functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217760118U true CN217760118U (en) | 2022-11-08 |
Family
ID=83893615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221517509.XU Active CN217760118U (en) | 2022-06-17 | 2022-06-17 | Steel truss integral lifting device with limiting and locking functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217760118U (en) |
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2022
- 2022-06-17 CN CN202221517509.XU patent/CN217760118U/en active Active
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