CN114180446A - Combined lifting appliance suitable for lifting special-shaped piece - Google Patents
Combined lifting appliance suitable for lifting special-shaped piece Download PDFInfo
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- CN114180446A CN114180446A CN202111526894.4A CN202111526894A CN114180446A CN 114180446 A CN114180446 A CN 114180446A CN 202111526894 A CN202111526894 A CN 202111526894A CN 114180446 A CN114180446 A CN 114180446A
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- lifting
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- point
- hanging
- frame
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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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
In order to solve the technical problem that the application range of the existing lifting appliance is limited due to the fact that the existing lifting appliance is limited by parameters such as the shape, the size, the weight and the like of a module, the embodiment of the invention provides a combined lifting appliance suitable for lifting a special-shaped part, which comprises the following components: a plurality of combination units, each combination unit comprising a plurality of truss units for combining into a rectangular frame, all truss units of all combination units combining into a spreader; the lifting device comprises a plurality of first-level lifting points, a lifting frame and a lifting device, wherein the plurality of first-level lifting points are arranged on the lifting frame, and each first-level lifting point is used for arranging a first-level lifting lug for connecting a lifting hook of the lifting device; the plurality of hanging beams are detachably connected to the hanging frame, each hanging beam is detachably arranged on the combination unit, and each hanging beam is provided with a secondary hanging point; and each secondary lifting point is used for installing a secondary lifting lug for lifting the special-shaped piece. The embodiment of the invention solves the problem that the application range of the existing lifting appliance is limited due to the limitation of the parameters such as the shape, the size, the weight and the like of the module.
Description
Technical Field
The invention relates to a combined type lifting appliance suitable for lifting special-shaped parts.
Background
On the premise of vigorously developing nuclear power clean energy, various nuclear powers are continuously approved to be started in China, and the construction period requirement of nuclear power construction is also continuously optimized. In order to meet the requirement of a construction period, a modular construction process is widely popularized at present. Therefore, the modularized lifting demand is increasingly large, the applicability of the special lifting appliance is limited, the arrangement position of lifting points is fixed, the shape, the size and the weight of a module capable of being lifted are limited, and the lifting appliance is generally specially designed for a specific module, so that the utilization rate of the lifting appliance is not high, and the lifting appliance occupies a field.
Disclosure of Invention
In order to solve the technical problem that the application range of the lifting appliance is limited due to the fact that the existing lifting appliance is limited by the parameters such as the shape, the size, the weight and the like of the modules, the embodiment of the invention provides the combined lifting appliance suitable for lifting special-shaped pieces.
The embodiment of the invention is realized by the following technical scheme:
the embodiment of the invention provides a combined lifting appliance suitable for lifting special-shaped parts, which comprises:
a plurality of combination units, each combination unit comprising a plurality of truss units for combining into a rectangular frame, all truss units of all combination units combining into a spreader;
the lifting device comprises a plurality of first-level lifting points, a lifting frame and a lifting device, wherein the plurality of first-level lifting points are arranged on the lifting frame, and each first-level lifting point is used for arranging a first-level lifting lug for connecting a lifting hook of the lifting device;
the plurality of hanging beams are detachably connected to the hanging frame, each hanging beam is detachably arranged on the combination unit, and each hanging beam is provided with a secondary hanging point; and
and each secondary lifting point is used for installing a secondary lifting lug for lifting the special-shaped piece.
Further, all the truss units of all the combined units are detachably connected into the hanging bracket through connecting pieces.
Further, the connecting piece comprises a column and a bolt; each truss unit is detachably connected with the column body through a bolt; the primary hoisting point is arranged at one end of the column body close to the hoisting device.
Furthermore, the first-level lifting lug is connected with the column body through a pin shaft.
Further, the method also comprises the following steps:
and the stabilizing support is used for connecting one ends of the two columns which are opposite to each other and are close to the lifting device so as to enhance the stability of the lifting frame.
Furthermore, one side of each combination unit is provided with two stable supporting pieces arranged in an x shape.
Further, the truss unit includes:
two cross bars parallel to each other;
the plurality of longitudinal rods are distributed between the two transverse rods, and two transverse rods are respectively and vertically connected with two ends of each longitudinal rod; and
and the plurality of inclined rods are used for obliquely connecting two adjacent longitudinal rods.
Furthermore, the center of the lifting hook, the center of the lifting frame and the center of gravity of the special-shaped thin-wall box body module are on the same straight line.
Furthermore, each secondary lifting lug is detachably fixed on the lifting beam through a U-shaped fixing device.
Furthermore, the position of each hanging beam on the hanging bracket is used for being adjusted along with the adjustment of the hanging point position of the special-shaped piece; the position of the secondary lifting point on the lifting beam is used for adjusting along with the position adjustment of the lifting point of the special-shaped piece.
Compared with the prior art, the embodiment of the invention has the following advantages and beneficial effects:
according to the combined lifting appliance suitable for lifting special-shaped pieces, the combined lifting appliance can be adjusted according to different special-shaped pieces through the combined unit design; the first-level hoisting points are distributed on the hoisting frame, so that the central position of the hoisting frame can be adjusted according to different special-shaped pieces hoisted by the hoisting frame; the second-level lifting points are distributed on the lifting beam, and the positions of the second-level lifting points on the lifting beam can be adjusted according to different lifted special-shaped pieces to be matched with the positions of the lifting points on the special-shaped pieces, so that the problem that the application range of the lifting appliance is limited due to the fact that the existing lifting appliance is limited by parameters such as the shape, the size and the weight of a module is solved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a modular spreader suitable for lifting of profiled elements.
Fig. 2 is a schematic view of a connection structure of the secondary lifting lug.
Reference numbers and corresponding part names in the drawings:
1-a stabilizing support; 2-secondary lifting lugs; 3-truss unit; 4-first-level lifting lugs; 5-a column; 6-hanging the beam; 7-a cross bar; 8-a longitudinal bar; 9-a diagonal rod; a 10-U shaped fixture; 11-hoisting belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Examples
In order to solve the technical problem that the application range of the existing lifting appliance is limited due to the fact that the existing lifting appliance is limited by parameters such as the shape, the size and the weight of a module, an embodiment of the invention provides a combined lifting appliance suitable for lifting a special-shaped part, which is shown in fig. 1 and comprises the following components:
a plurality of combination units, each combination unit including a plurality of truss units 3 for combining into a rectangular frame, all of the truss units of all the combination units combining into a hanger;
the lifting device comprises a plurality of first-level lifting points, a lifting frame and a lifting device, wherein the plurality of first-level lifting points are arranged on the lifting frame, and each first-level lifting point is used for arranging a first-level lifting lug 4 used for connecting a lifting hook of the lifting device;
the plurality of hanging beams are detachably connected to the hanging frame, each hanging beam is detachably arranged on the combination unit, and each hanging beam is provided with a secondary hanging point; and
a plurality of second grade hoisting points, every second grade hoisting point is used for installing the second grade lug 2 that is used for hoisting the dysmorphism piece.
Therefore, the embodiment of the invention can realize the adjustment of the combined type lifting appliance according to different special-shaped pieces through the design of the combined type combined units; the first-level hoisting points are distributed on the hoisting frame, so that the central position of the hoisting frame can be adjusted according to different special-shaped pieces hoisted by the hoisting frame; the secondary lifting points are distributed on the lifting beam, and the positions of the secondary lifting points on the lifting beam 6 can be adjusted according to different lifted special-shaped pieces to be matched with the positions of the lifting points on the special-shaped pieces, so that the problem that the application range of the lifting appliance is limited due to the fact that the existing lifting appliance is limited by the parameters such as the shape, the size and the weight of the module is solved.
Further, all the truss units of all the combined units are detachably connected into the hanging bracket through connecting pieces.
Referring to fig. 1, each combination unit includes a plurality of truss units 3; all truss units of all combination units are connected with each other to form a hanging bracket; alternatively, all the truss units may be detachably connected to each other by means of a snap or a thread.
Optionally, the shape of the hanger is matched with the requirement of the lifted special-shaped piece; optionally, the hanger is rectangular or square in shape.
In order to facilitate the lifting device to lift the special-shaped piece, the center or the whole gravity center of the lifting frame is adjusted, the lifting frame is provided with a plurality of first-stage lifting points, the first-stage lifting points are arranged on the lifting frame, and optionally, the first-stage lifting points are arranged at one end of the column body 5 close to the lifting device, namely, the upper end part of the column body in fig. 1. Therefore, when the lifting hook of the lifting device is connected with the first-level lifting lug of the first-level lifting point through the lifting rope, the lifting hook of the lifting device is connected with the first-level lifting lug on the first-level lifting point at different positions through the lifting rope, the center of the lifting frame can be conveniently adjusted or the overall gravity center position can be conveniently adjusted, and therefore the lifting appliance is suitable for the requirements of different special-shaped pieces.
Optionally, the connector comprises a cylinder and a bolt; each truss unit is detachably connected with the column body through a bolt.
Optionally, each truss unit is detachably connected with the column body through a bolt; thus, each combined unit is detachably connected into a complete hanger through the column.
Optionally, the column is a short column; the truss units are connected with each other through short columns, the truss units and the truss units form a closed frame, the truss units and the short columns can be combined into frames with different sizes and different spans according to requirements, and the truss units and the short columns are connected through bolts. The first-level hoisting point of the lifting hook connected with the lifting device is arranged on the short column and is connected with the short column through a pin shaft, and the first-level hoisting point can be arranged on any short column. The hanging beam is hung above the frame, and the hanging position of the hanging beam is fixed by connecting the bolt with the truss unit, so that the hanging position can be adjusted according to the arrangement of the hanging points of the hung object. The second-stage lifting points for connecting the hoisted objects are arranged on the lifting beam, and the second-stage lifting points on the lifting beam can be arranged at any position on the lifting beam, so that the purposes of flexible arrangement of the lifting points and flexible size change of the truss are achieved, and the function of hoisting the hoisted objects with various shapes, sizes and weights is realized.
In actual use, the combined units are assembled into a required frame size by bolts, and the primary lifting lugs are connected with the short columns through pin shafts. After the lifting point of the lifted special-shaped component/module is determined, the position of the lifting beam and the position of a secondary lifting point on the lifting beam are adjusted, and the consistency of the horizontal projection position of the secondary lifting point and the lifting point of the lifted object is ensured. The first-level lifting lug on the frame structure is connected with a lifting hook of a lifting device through a steel wire rope, and the second-level lifting lug is connected with a lifting lug on the special-shaped component/module through the steel wire rope or a lifting belt.
Optionally, the first-level lifting lug is connected with the column body through a pin shaft.
In order to make the spreader more stable during the lifting process, optionally, the spreader further comprises:
and the stable support part 1 is used for connecting one ends of the two columns which are opposite to each other and are close to the hoisting device so as to enhance the stability of the hanging bracket.
Stabilize support piece and link into an integrated entity through bolt and short column, the main function is the stability of guaranteeing the gallows, prevents that the gallows from twisting deformation at the hoist and mount in-process.
Referring to fig. 1, each combined unit of the hanger has columns at four corners, and the upper ends of the two diagonal columns are connected by a stabilizing support 1, so that the stability of the hanger is enhanced.
Optionally, one side of each combination unit is provided with two stabilizing supports arranged in an "x" shape.
In order to further enhance the stability of the crane in the hoisting process, four columns on four corners of each combined unit are connected through two stable supporting pieces; the upper ends of the four columns at two pairs of opposite angles are connected into an 'x' shape through two stable supporting pieces.
Generally, the truss unit can adopt various existing trusses meeting the use requirement. Optionally, the truss unit comprises: two cross bars 7 parallel to each other; the plurality of longitudinal rods 8 are distributed between the two transverse rods, and two transverse rods are respectively and vertically connected with two ends of each longitudinal rod; and a plurality of diagonal rods 9 for diagonally connecting two adjacent longitudinal rods.
Referring to fig. 1, the truss unit includes two cross bars 7 parallel up and down, and a plurality of longitudinal bars 8 are disposed between the two cross bars 7, so as to enhance the strength or stability of the overall structure; two adjacent longitudinal rods are connected into a Z shape through the inclined rods 9, so that the strength or the stability of the whole structure is further enhanced.
Optionally, each secondary lifting lug is detachably fixed to the lifting beam by a U-shaped fixing device 11.
Referring to fig. 2, each secondary lifting lug is arranged on the lifting beam 6; each secondary lifting lug is used for being connected with the lifting point of the special-shaped piece through a lifting belt 11; the U-shaped fixing device can conveniently fix the secondary lifting lug on the lifting beam or adjust the position of the secondary lifting lug on the lifting beam.
In order to realize more stable hoisting, the center of the lifting hook, the center of the lifting frame and the center of gravity of the special-shaped thin-wall box body module are on the same straight line.
In order to conveniently and accurately carry out stable hoisting on different special-shaped pieces, the position of each hoisting beam on the hoisting frame is adjusted along with the position adjustment of the hoisting point of the special-shaped piece; the position of the secondary lifting point on the lifting beam is used for adjusting along with the position adjustment of the lifting point of the special-shaped piece. If necessary, the position of the respective lifting point can be determined or adjusted by calculating the stress or performing stress analysis.
The embodiment of the invention can hoist various modules with different shapes and different sizes, has strong applicability, improves the utilization rate of the lifting appliance and saves the construction cost.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a modular hoist suitable for dysmorphism hoist and mount which characterized in that includes:
a plurality of combination units, each combination unit comprising a plurality of truss units for combining into a rectangular frame, all truss units of all combination units combining into a spreader;
the lifting device comprises a plurality of first-level lifting points, a lifting frame and a lifting device, wherein the plurality of first-level lifting points are arranged on the lifting frame, and each first-level lifting point is used for arranging a first-level lifting lug for connecting a lifting hook of the lifting device;
the plurality of hanging beams are detachably connected to the hanging frame, each hanging beam is detachably arranged on the combination unit, and each hanging beam is provided with a secondary hanging point; and
and each secondary lifting point is used for installing a secondary lifting lug for lifting the special-shaped piece.
2. A modular spreader suitable for lifting profile elements according to claim 1, in which all the truss units of all the modular units are detachably connected to form a spreader by means of connecting elements.
3. A modular spreader suitable for lifting profiled elements according to claim 2, in which the connecting elements comprise posts and bolts; each truss unit is detachably connected with the column body through a bolt; the primary hoisting point is arranged at one end of the column body close to the hoisting device.
4. The modular sling according to claim 3 for lifting shaped articles, wherein the primary lifting lug is connected to the column body by a pin.
5. A modular spreader suitable for lifting profiled elements according to claim 3, further comprising:
and the stabilizing support is used for connecting one ends of the two columns which are opposite to each other and are close to the lifting device so as to enhance the stability of the lifting frame.
6. A modular spreader suitable for lifting profiled elements according to claim 3, characterised in that two stabilizing supports are provided on one side of each modular unit in an "x" arrangement.
7. A modular spreader suitable for lifting profiled elements according to claim 1, wherein the truss unit comprises:
two cross bars parallel to each other;
the plurality of longitudinal rods are distributed between the two transverse rods, and two transverse rods are respectively and vertically connected with two ends of each longitudinal rod; and
and the plurality of inclined rods are used for obliquely connecting two adjacent longitudinal rods.
8. The modular sling according to claim 1 for lifting shaped articles, wherein the centre of the hook, the centre of the sling and the centre of gravity of the profiled thin-walled container module are collinear.
9. The modular spreader for lifting profiled elements according to claim 1, wherein each secondary lifting lug is detachably fastened to the lifting beam by means of a U-shaped fastening means.
10. A modular spreader suitable for lifting profiled elements according to claim 1, in which the position of each suspension beam on the spreader is adapted to be adjusted in response to the adjustment of the position of the lifting point of the profiled element; the position of the secondary lifting point on the lifting beam is used for adjusting along with the position adjustment of the lifting point of the special-shaped piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526894.4A CN114180446A (en) | 2021-12-14 | 2021-12-14 | Combined lifting appliance suitable for lifting special-shaped piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526894.4A CN114180446A (en) | 2021-12-14 | 2021-12-14 | Combined lifting appliance suitable for lifting special-shaped piece |
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| Publication Number | Publication Date |
|---|---|
| CN114180446A true CN114180446A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111526894.4A Pending CN114180446A (en) | 2021-12-14 | 2021-12-14 | Combined lifting appliance suitable for lifting special-shaped piece |
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| CN (1) | CN114180446A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116654761A (en) * | 2023-07-04 | 2023-08-29 | 北京建工集团有限责任公司 | Rooting device with hoisting and temporary fixing functions and use method thereof |
-
2021
- 2021-12-14 CN CN202111526894.4A patent/CN114180446A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116654761A (en) * | 2023-07-04 | 2023-08-29 | 北京建工集团有限责任公司 | Rooting device with hoisting and temporary fixing functions and use method thereof |
| CN116654761B (en) * | 2023-07-04 | 2024-01-26 | 北京建工集团有限责任公司 | Rooting device with hoisting and temporary fixing functions and use method thereof |
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