CN218595873U - Marine large-scale butterfly valve lift by crane appurtenance - Google Patents
Marine large-scale butterfly valve lift by crane appurtenance Download PDFInfo
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- CN218595873U CN218595873U CN202222906223.7U CN202222906223U CN218595873U CN 218595873 U CN218595873 U CN 218595873U CN 202222906223 U CN202222906223 U CN 202222906223U CN 218595873 U CN218595873 U CN 218595873U
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- butterfly valve
- large butterfly
- bearing base
- hoisting
- flanges
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Abstract
A hoisting auxiliary tool for a marine large butterfly valve is arranged on the large butterfly valve, the large butterfly valve comprises a flat cylindrical shell and flanges at two ends, and a plurality of flange mounting holes are formed in the flanges; the hoisting auxiliary tool comprises a bearing base, connecting bolts and universal hoisting rings, wherein the bearing base is a fan-shaped annular component, the bearing base is installed on the periphery of the shell, the inner ring surface of the bearing base is tightly attached to the outer peripheral surface of the shell, the width of the bearing base is the same as the distance between flanges at two ends of the large butterfly valve, a plurality of threaded holes are formed in two side surfaces of the bearing base, the connecting bolts penetrate through flange holes to be connected into threaded holes of the bearing base, the bearing base is tightly clamped on the periphery of the shell between the flanges at two ends of the large butterfly valve, and the universal hoisting rings are connected to the top of the bearing base. The utility model discloses a with large-scale butterfly valve casing assorted laminating formula structure, through nimble combination application, satisfied the needs of various angle hoists, reduced the activity duration, improved efficiency, guaranteed safety, have simple structure, low cost's advantage.
Description
Technical Field
The utility model relates to a marine hoist for spare part, concretely relates to marine large butterfly valve lift by crane appurtenance belongs to marine diesel engine manufacturing technology.
Background
The valves of the existing marine engines are not only large valves, but also have the diameter of 2-3 meters and the weight of 2-3 tons, such as large butterfly valves. Referring to fig. 3, the housing of the large butterfly valve is shaped like an oblate cylinder, and flanges are disposed at two ends of the housing and are uniformly provided with a plurality of flange holes along the circumference. When the large-sized valve is installed, the large-sized valve is generally required to be lifted, and the lifting mode is usually that a lifting belt is directly penetrated on the valve body to lift, or a lifting lug is welded on the valve body in advance to install a lifting appliance. For a small valve, the former method is feasible, key parts such as a valve shaft and the like cannot be damaged during hoisting and installation, and for a large butterfly valve, if a hanging strip is connected to a valve body, core parts such as the valve shaft and the like are damaged, so that the method cannot meet the hoisting requirement of the large butterfly valve; if the latter approach is employed, there is a potential risk that welding of the lifting lug may cause deformation of the valve body.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of current mode of lifting by crane, a marine large butterfly valve lifts by crane appurtenance adopts to the structure that suits to large butterfly valve casing, arranges on large butterfly valve's optional position according to the demand of lifting by crane to satisfy the needs that various angles hoisted, improve the installation effectiveness of lifting by crane of large valve, ensure the security of construction operation.
The utility model provides a technical scheme that its technical problem adopted is:
a hoisting auxiliary tool for a large butterfly valve for a ship comprises a flat cylindrical shell and flanges at two ends, wherein a plurality of flange mounting holes are formed in the flange along the circumference; the method is characterized in that: the hoisting auxiliary tool is arranged on the large butterfly valve and comprises a bearing base, a connecting bolt and a universal hoisting ring; the bearing base is a fan-shaped annular component, is arranged on the periphery of the shell, is tightly attached to the peripheral surface of the shell, has the same width as the distance between the flanges at the two ends of the large butterfly valve, and is provided with a plurality of threaded holes on the two side surfaces; the connecting bolts penetrate through flange holes in the flanges, are connected in threaded holes in the side face of the force bearing base, and are fixedly clamped on the periphery of the shell between the flanges at the two ends of the large butterfly valve; the universal lifting ring is connected to the top of the bearing base through threads and is used for connecting a lifting rope.
Furthermore, the radian shape of the inner ring surface of the bearing base is the same as the outer peripheral surface of the shell, and the length is determined according to the weight of the large butterfly valve.
Furthermore, the size of the threaded hole of the bearing base is matched with the size of a flange mounting hole of the large butterfly valve, and the diameter of the circumferential arc line where the hole site is located is consistent with the diameter of the circumferential arc line where the flange mounting hole is located.
Furthermore, the top of the bearing base is provided with an installation screw hole matched with a screw of the universal hanging ring, and the diameter of the installation screw hole is selected according to the weight of the large butterfly valve.
Furthermore, the connecting bolts are matched with the threaded holes of the bearing base, and the length of the connecting bolts is smaller than the distance between the flanges at the two ends of the large butterfly valve.
Further, the specification of the universal hanging ring is selected according to the weight of the large butterfly valve.
Furthermore, the hoisting of the large butterfly valve in various postures is realized by combining and applying different numbers of hoisting auxiliary tools and installing the hoisting auxiliary tools at multiple angle positions.
Furthermore, the number of the hoisting auxiliary tools is two, and the hoisting auxiliary tools are arranged on the periphery of the large butterfly valve at positions forming an included angle of 120 degrees with each other, so that the vertical hoisting mode of the large butterfly valve is realized.
Furthermore, the number of the hoisting auxiliary tools is four, and the hoisting auxiliary tools are arranged on the periphery of the large butterfly valve at 90-degree included angles to realize a horizontal hoisting mode of the large butterfly valve.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
1) The lifting auxiliary tool is an attaching type lifting tool, is convenient to install, can quickly complete lifting and installation of the large butterfly valve, reduces the operation time, and improves the lifting and installation operation efficiency of the valve.
2) Use through the nimble combination, the utility model discloses an universal rings can satisfy valve optional position gesture, like vertical or horizontal position lift by crane the demand to realize the installation of large-scale butterfly valve multi-angle position.
3) The utility model discloses simple structure, cost low relatively has better economic benefits and extensive application prospect.
4) The auxiliary hoisting tool is reasonable in structure and reliable in installation, and greatly improves the safety of operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an installation diagram of the present invention.
Fig. 4 is a vertical lifting state diagram of the present invention.
Fig. 5 is a horizontal lifting state diagram of the present invention.
Detailed Description
The following detailed description of the present invention is provided with reference to the accompanying drawings, which should not be construed as limiting the scope of the present invention, and all equivalent variations and modifications made according to the contents of the present invention should be regarded as the scope of the present invention as claimed.
The utility model is used for the operation of lifting by crane of marine large butterfly valve, install in the periphery of large butterfly valve's flat cylinder casing, this large butterfly valve's both ends are equipped with the flange, are equipped with a plurality of flange mounting holes along the circumference on this flange.
Referring to fig. 1 and fig. 2, the illustrated auxiliary hoisting tool includes a bearing base 1, a connecting bolt 2 and a universal hoisting ring 3.
As can be seen from the front view of fig. 2, the shape of the force bearing base 1 is in a fan-shaped ring shape, and is matched with the shape of the large butterfly valve shell, and the size and radian of the inner ring are the same as those of the corresponding outer peripheral surface of the shell and are attached to the outer peripheral surface of the shell when being installed; the length of the bearing base 1 is considered according to the weight of the valve, so as to ensure that the number of the bolts can bear the weight of the valve. The bearing base 1 is provided with a plurality of threaded holes on two side surfaces, the hole positions and the sizes of the threaded holes are matched with the flange holes of the large butterfly valve, and the diameter of the circumferential arc line where the threaded holes are located is consistent with the diameter of the circumferential arc line where the flange holes of the large butterfly valve are located. The width of the force bearing base 1 is consistent with the distance between the two flanges of the large butterfly valve, so that the deformation of the flanges caused by stress in the lifting process can be avoided. The top of the force bearing base 1 is provided with an installation screw hole which is matched with the screw thread of the universal lifting ring 3, and the aperture of the installation screw hole is selected according to the weight of the valve.
The connecting bolt 2 penetrates through a flange hole in a flange of the large butterfly valve and is connected in a threaded hole in the side face of the bearing base 1, so that the bearing base 1 is tightly clamped on the periphery of the shell of the large butterfly valve and is positioned between the flanges on two sides. The connecting bolt 2 is used for connecting the lifting auxiliary tool with the valve, and meanwhile, the bolt cannot be broken due to the fact that the valve is too heavy in the lifting process of the valve. The specification corresponds to the flange mounting hole direction, the length is selected according to the size of an outer opening gear of a flange of the large butterfly valve, and the end part of the connecting bolt 2 is flush with the flange after being screwed down.
The universal lifting ring 3 is installed in an installation screw hole in the top of the bearing base 1 through threaded connection and is used for connecting a lifting rope. The specification of the universal lifting ring 3 is selected according to the weight of the large butterfly valve and the working conditions of at least two lifting tools, and the stress requirement of horizontal lifting is met by the tools under the condition that 4 tools are installed. The screw thread of the universal lifting ring 3 is sized to bear the weight of the valve itself and ensure the installation of the valve regardless of the angle selected.
The state of lifting by crane appurtenance installation on the valve can refer to fig. 3, lift by crane appurtenance's load base 1 the interior anchor ring with the laminating of the outer peripheral face of large-scale butterfly valve's casing is fixed through 8 connecting bolt 2 of side, universal rings 3 lifts by crane as the hoisting point for install the tool to lock.
The hoisting auxiliary tool can realize hoisting of the large butterfly valve at any angle by changing the using number and the mounting position, and two typical different application modes refer to fig. 4 and 5. Two lifting auxiliary tools are arranged at the position of 120-degree included angle on the periphery of the large butterfly valve, so that a vertical lifting mode of 2 lifting points of the large butterfly valve can be realized, as shown in figure 4; four hoisting auxiliary tools are arranged on the periphery of the large butterfly valve at 90-degree included angles, so that a horizontal hoisting mode with 4 hoisting points can be realized, as shown in FIG. 5; and selecting a proper hoisting mode according to the actual use and installation requirements.
The utility model discloses a lifting device of simple laminating formula, the installation of completion instrument that can be quick to can realize the installation demand of arbitrary angle through universal rings.
The utility model discloses being verified in the installation operation of actually lifting by crane, having improved the installation effectiveness that lifts by crane of valve by a wide margin, cost is cheap relatively, has better economic benefits and extensive application prospect.
Claims (9)
1. A hoisting auxiliary tool for a large butterfly valve for a ship comprises a flat cylindrical shell and flanges at two ends, wherein a plurality of flange mounting holes are formed in the flange along the circumference; the method is characterized in that: the hoisting auxiliary tool is arranged on the large butterfly valve and comprises a bearing base, a connecting bolt and a universal hoisting ring; the bearing base is a fan-shaped annular component, is arranged on the periphery of the shell, is tightly attached to the peripheral surface of the shell by an inner annular surface, has the same width as the distance between the flanges at the two ends of the large butterfly valve, and is provided with a plurality of threaded holes on the two side surfaces; the connecting bolts penetrate through flange holes in the flanges, are connected in threaded holes in the side face of the force bearing base, and are fixedly clamped on the periphery of the shell between the flanges at the two ends of the large butterfly valve; the universal hoisting ring is connected to the top of the bearing base through threads and is used for connecting a sling.
2. The marine large butterfly valve lifting aid according to claim 1, wherein: the radian shape of the inner ring surface of the bearing base is the same as the outer peripheral surface of the shell, and the length is determined according to the weight of the large butterfly valve.
3. The marine large butterfly valve lifting auxiliary tool according to claim 1, wherein: the size of the threaded hole of the bearing base is matched with the size of the flange mounting hole of the large butterfly valve, and the diameter of the circumferential arc line where the hole site is located is consistent with the diameter of the circumferential arc line where the flange mounting hole is located.
4. The marine large butterfly valve lifting auxiliary tool according to claim 1, wherein: the top of the bearing base is provided with an installation screw hole matched with a screw of the universal hanging ring, and the aperture of the installation screw hole is selected according to the weight of the large butterfly valve.
5. The marine large butterfly valve lifting auxiliary tool according to claim 1, wherein: the connecting bolt is matched with the threaded hole of the bearing base, and the length of the connecting bolt is smaller than the distance between the flanges at the two ends of the large butterfly valve.
6. The marine large butterfly valve lifting auxiliary tool according to claim 1, wherein: the specification of the universal hanging ring is selected according to the weight of the large butterfly valve.
7. The marine large butterfly valve lifting auxiliary tool according to claim 1, wherein: the hoisting of various postures of the large butterfly valve is realized by combining and applying different numbers of hoisting auxiliary tools and installing the hoisting auxiliary tools at multiple angles.
8. The marine large butterfly valve lifting auxiliary tool according to claim 7, wherein: the lifting auxiliary tools are two in number and are arranged on the periphery of the large butterfly valve at included angles of 120 degrees, and the vertical lifting mode of the large butterfly valve is realized.
9. The marine large butterfly valve lifting aid according to claim 7, wherein: the number of the hoisting auxiliary tools is four, and the hoisting auxiliary tools are arranged on the periphery of the large butterfly valve at 90-degree included angles to each other, so that the horizontal hoisting mode of the large butterfly valve is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222906223.7U CN218595873U (en) | 2022-11-02 | 2022-11-02 | Marine large-scale butterfly valve lift by crane appurtenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222906223.7U CN218595873U (en) | 2022-11-02 | 2022-11-02 | Marine large-scale butterfly valve lift by crane appurtenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218595873U true CN218595873U (en) | 2023-03-10 |
Family
ID=85405471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222906223.7U Active CN218595873U (en) | 2022-11-02 | 2022-11-02 | Marine large-scale butterfly valve lift by crane appurtenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218595873U (en) |
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2022
- 2022-11-02 CN CN202222906223.7U patent/CN218595873U/en active Active
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