CN209872102U - Hoisting device - Google Patents
Hoisting device Download PDFInfo
- Publication number
- CN209872102U CN209872102U CN201920229014.9U CN201920229014U CN209872102U CN 209872102 U CN209872102 U CN 209872102U CN 201920229014 U CN201920229014 U CN 201920229014U CN 209872102 U CN209872102 U CN 209872102U
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- lifting
- pipe
- hoisting
- opening
- straight ladder
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Abstract
The utility model discloses a hoisting device, which comprises a hoisting pipe and a lifting lug, wherein the side surface of the hoisting pipe is provided with an opening running through the length direction of the hoisting pipe; the lifting lug is arranged on the radial outer wall of the lifting pipe and extends to the position deviated from the lifting pipe in the direction same with the opening; the lifting lug is provided with a lifting hole, and the center of the lifting hole is positioned at a position deviated from the lifting pipe. The hoisting device can be applied to the hoisting and installation process of the marine vertical ladder. When the lifting device is used, the two sets of the lifting devices are arranged on the straight ladder, the lifting device is hung on the steps of the straight ladder by utilizing the opening of the lifting pipe, and the lifting hole of the lifting lug is connected with a steel wire rope of a crane. When the straight ladder is hoisted, the hoisting hole of the hoisting device deviates from the gravity center of the hoisting pipe, so that the opening of the hoisting pipe is positioned above the straight ladder step, and the safety accident of falling caused by the fact that the straight ladder step is separated from the device is avoided; the hanging tube can limit the left and right swing of the straight ladder during the hoisting. The device has simple structure, convenient operation, labor and labor saving, and plays a great contribution to shortening the ship construction period and improving the competitiveness of enterprises.
Description
Technical Field
The utility model relates to a hoist device that is used for marine vertical ladder handling installation.
Background
At present, for shipbuilding enterprises, how to reduce the labor intensity of constructors has a great promoting effect on improving the economic benefit and the market competitiveness of the shipbuilding enterprises.
In ship construction, a heavy steel vertical ladder needs to be hoisted by a crane, and the conventional method of using the crane is to use a method of adding a hook on a steel wire rope, wherein one end of the steel wire rope is hung on a crane hook, the other end of the steel wire rope is connected with the hook, the hook is hooked on a certain step (square steel) of the vertical ladder, and then the crane is started to move the vertical ladder. The method has the defects that when the hook is hoisted, the hook is easy to run away from a hoisting point, so that the straight ladder inclines to one side, and if the hook is serious, the hook can be separated from the straight ladder, so that the straight ladder falls on the ground, and great potential safety hazards exist.
Therefore, the development of a safe hoisting device for hoisting and installing the marine vertical ladder is urgently needed.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a safe hoist device for installation of marine vertical ladder handling.
According to an exemplary embodiment of the present inventive concept, the lifting device includes a hanger pipe and a lifting lug, the side of the hanger pipe having an opening running through the length direction thereof; the lifting lug is arranged on the radial outer wall of the lifting pipe and extends to the position deviated from the lifting pipe in the direction same with the opening; the lifting lug is provided with a lifting hole, and the center of the lifting hole is positioned at a position deviated from the lifting pipe.
Preferably, the lifting lug is one in number and is located in the middle of the length direction of the lifting pipe.
Preferably, the lifting lug is welded with the outer wall of the hanging pipe, and the surface of the lifting lug deviated from the hanging pipe is subjected to filling welding with the outer wall of the hanging pipe.
Preferably, the drop tube is formed in a circular tube shape having an opening formed through a side surface thereof in a longitudinal direction.
Preferably, the upper and lower edges of the opening are symmetrically arranged with respect to a horizontal plane of the central axis of the drop tube.
Preferably, the opening angle of the upper edge and the lower edge of the opening relative to the central axis of the hanging pipe is 90-110 degrees.
The utility model discloses following beneficial effect has at least:
the embodiment of the utility model provides a hoist device can use in marine vertical ladder handling installation. When the lifting device is used, the two sets of the lifting devices are arranged on the straight ladder, the lifting device is hung on the steps of the straight ladder by utilizing the opening of the lifting pipe, and the lifting hole of the lifting lug is connected with a steel wire rope of a crane. When the straight ladder is hoisted, the hoisting hole of the hoisting device deviates from the gravity center of the hoisting pipe, so that the opening of the hoisting pipe is positioned above the straight ladder step, and the safety accident of falling caused by the fact that the straight ladder step is separated from the device is avoided; in addition, the hanging pipe can limit the left and right swinging of the vertical ladder during hoisting. The device has the advantages of simple structure, convenient operation, labor and labor saving, and great contribution to completing large-node projects of companies, shortening the ship construction period and improving the competitiveness of enterprises.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
The utility model provides a can be used to safe hoist device of marine vertical ladder handling installation. Referring to fig. 1 and 2, the lifting device includes a hanging pipe 100 and a lifting lug 200, and the side of the hanging pipe 100 has an opening 110 extending through the length direction thereof. The lifting lug 200 is disposed on the radially outer wall of the drop tube 100 and extends to a position offset from the drop tube 100 in the same direction as the opening 110. The lifting lug 200 has a lifting hole 210, and the center of the lifting hole 210 is located at a position offset from the lifting pipe 100. For example: in an embodiment of the hoisting device, the length of the hoisting tube 100 is 400 mm, the horizontal distance between the center of the hoisting hole 210 and the central axis of the hoisting tube 100 is 30 mm, and the vertical distance between the center of the hoisting hole 210 and the central axis of the hoisting tube 100 is 69 mm.
Specifically, the number of the lifting lugs 200 may be one, and the lifting lugs are located at the middle of the length direction of the hanging pipe 100, so as to ensure the balance degree when the hanging pipe 100 is lifted.
Preferably, the lifting lug 200 is connected to the outer wall of the hanging pipe 100 by welding, and the surface of the lifting lug 200 deviating from the hanging pipe 100 is welded to the outer wall of the hanging pipe 100 by filling welding, so as to ensure that the lifting lug 200 is stably connected to the outer wall of the hanging pipe 100.
Preferably, the drop tube 100 is formed in a circular tube shape having an opening 110 formed through the side surface in the longitudinal direction thereof. It will be appreciated that the drop tube 100 may also be formed in an elliptical tube shape, a square tube shape, etc. having an opening 110 extending through its length.
Preferably, the upper and lower edges of the opening 110 are symmetrically arranged about the horizontal plane of the central axis of the hanging pipe 100, so that the upper and lower edges of the opening 110 are symmetrically distributed relative to the vertical ladder step during hanging, and the hanging is firm and is not easy to be separated.
In order to ensure that the hanging pipe 100 is easily installed on the straight ladder step through the hanging opening and ensure that the straight ladder step is not easy to fall off from the opening 110 during hanging, the angle of the upper edge and the lower edge of the opening 110 relative to the opening 110 of the central axis of the hanging pipe 100 can be set to be 90-110 degrees. For example: in an exemplary embodiment of the hoist device, the opening 110 is sized at an upward a ° and a downward a ° with respect to the central axis of the boom pipe 100, and a has a value of 51.
It should be understood that the design of the marine vertical ladder mainly has three specifications, and the influence on the lifting device is mainly the width of the vertical ladder step, so in practical application, the inner diameter of the hanging pipe 100 can be designed into various specifications according to the width of the ladder, and the inner diameter of the hanging pipe 100 of each specification is set to be 10mm larger than the clearance size of the vertical ladder step (square steel), so that the hanging pipe 100 can be smoothly installed on the vertical ladder step.
The utility model discloses a hoist device uses the flow in marine vertical ladder handling installation include:
(1) correct selection before using the device: selecting a proper hoisting device according to the specification of the marine vertical ladder to be hoisted, wherein the judgment standard is that the inner diameter of the hoisting pipe 100 is set to be 10mm larger than the clearance size of the vertical ladder step (square steel);
(2) the use method of the device comprises the following steps: for safety, two sets of the hoisting devices are required to be used for one straight ladder, and the mounting positions take the length center of the straight ladder as a boundary point and take the same stepping number on two sides as mounting points; the two sets of devices are connected and hung on the hoisting steel wire ropes by means of shackles passing through the hoisting holes 210 of the hoisting lugs 200; descending a steel wire rope, enabling the two sets of devices to lie flat beside a step (square steel) to be hung, rotating an opening 110 of a hanging pipe 100 by hands, enabling the position of the opening 110 to be opposite to the step direction of the straight ladder and slowly sleeving the straight ladder step, loosening hands after the step (square steel) is integrally embedded in the hanging pipe 100, and finding that the device can incline towards the direction of a hanging hole 210 after loosening the hands; after the two sets of devices are installed in place, the crane is started, the steel wire rope on the crane slowly rises, so that the two sets of devices also stand upwards, the two lifting lugs 200 of the standing device form an included angle with the steel wire rope, the opening 110 of the lifting pipe 100 is arranged above the straight ladder step, the safety accident that the straight ladder step (square steel) is separated from the device to fall is avoided, and the straight ladder lifted by the device is found to be safe and stable and does not swing left and right, so the lifting device is suitable for being used.
(3) The device dismounting method comprises the following steps: after the straight ladder is safely delivered to the designated position, the crane is controlled to fall down to the straight ladder until the straight ladder falls to a state that a steel wire rope of the crane is not stressed, the lifting lug 200 of one device is held by hand to slightly rotate downwards, the opening 110 is opposite to the straight ladder step (square steel), then the device is pulled backwards to completely separate the device from the straight ladder step (square steel), namely, the dismounting step is finished, the dismounting method of the two devices is the same, and the dismounting step is finished.
In the using process, the two sets of hoisting devices are arranged on the vertical ladder, the hoisting devices are hung on the steps of the vertical ladder by using the opening 110 of the hoisting pipe 100, and the hoisting holes 210 of the hoisting lugs 200 are connected with the steel wire rope of the crane. When the vertical ladder is hoisted, the hoisting hole 210 of the hoisting device deviates from the gravity center of the hoisting pipe 100, so that the opening 110 of the hoisting pipe 100 is positioned above the vertical ladder step, and the safety accident that the vertical ladder step is separated from the device to fall is avoided; in addition, the hanging tube 100 can limit the side-to-side swing when the vertical ladder is hoisted. The hoisting device has the advantages of small volume, light weight, simplicity in use and the like, and has great contribution to completing large-node projects of companies, shortening the ship construction period and improving the competitiveness of enterprises.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (6)
1. A hoisting device is characterized in that: the lifting device comprises a lifting pipe and a lifting lug, wherein an opening penetrating through the side surface of the lifting pipe in the length direction is formed in the side surface of the lifting pipe; the lifting lug is arranged on the radial outer wall of the lifting pipe and extends to the position deviated from the lifting pipe in the direction same with the opening; the lifting lug is provided with a lifting hole, and the center of the lifting hole is positioned at a position deviated from the lifting pipe.
2. A lifting device according to claim 1, characterised in that: the number of the lifting lugs is one, and the lifting lugs are positioned in the middle of the length direction of the lifting pipe.
3. A lifting device according to claim 1, characterised in that: the lifting lugs are welded with the outer wall of the hanging pipe, and the surfaces of the lifting lugs, which deviate from the hanging pipe, are subjected to filling welding with the outer wall of the hanging pipe.
4. A lifting device according to claim 1, characterised in that: the hanging pipe is formed in a circular pipe shape with an opening penetrating through the side surface in the length direction.
5. A lifting device according to claim 1 or 4, characterised in that: the upper edge and the lower edge of the opening are symmetrically arranged relative to the horizontal plane of the central axis of the hanging pipe.
6. A lifting device according to claim 5, characterised in that: the opening angle of the upper edge and the lower edge of the opening relative to the central axis of the hanging pipe is 90-110 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229014.9U CN209872102U (en) | 2019-02-20 | 2019-02-20 | Hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229014.9U CN209872102U (en) | 2019-02-20 | 2019-02-20 | Hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209872102U true CN209872102U (en) | 2019-12-31 |
Family
ID=68953051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920229014.9U Active CN209872102U (en) | 2019-02-20 | 2019-02-20 | Hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209872102U (en) |
-
2019
- 2019-02-20 CN CN201920229014.9U patent/CN209872102U/en active Active
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