CN219620682U - Lifting hook group suitable for underwater mud environment - Google Patents
Lifting hook group suitable for underwater mud environment Download PDFInfo
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- CN219620682U CN219620682U CN202320462146.2U CN202320462146U CN219620682U CN 219620682 U CN219620682 U CN 219620682U CN 202320462146 U CN202320462146 U CN 202320462146U CN 219620682 U CN219620682 U CN 219620682U
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Abstract
The utility model discloses a lifting hook group suitable for an underwater slurry environment, which comprises an ear plate assembly, a pulley structure and a sealing assembly, wherein the ear plate assembly is connected with the pulley structure; the object to be suspended is connected to the ear plate; the pulley structure comprises a pulley shaft, a first spacer bush and at least one group of pulley blocks; according to the utility model, the first sealing element is used for preventing mud from entering the pulley from the gap between the first spacer bush and the pulley shaft, the second sealing element is used for preventing mud from entering the pulley from the gap between the pulley end cover and the periphery of the first spacer bush, and the third sealing element is used for preventing mud from entering the pulley from the gap between the pulley end cover and the pulley, namely, the problem that the pulley, the bearing and other parts in the lifting hook set are invaded by mud impurities when the lifting hook set is used in an underwater mud environment can be effectively solved, so that phenomena such as rust and corrosion of the pulley and the bearing are avoided, namely, potential safety hazards of the lifting hook set are avoided, and the service life of the lifting hook set is prolonged.
Description
Technical Field
The utility model relates to the technical field of lifting hooks, in particular to a lifting hook group suitable for an underwater mud environment.
Background
The lifting hook group is the most common lifting appliance in the lifting machinery, and is hung on a steel wire rope of a lifting mechanism by means of components such as a pulley block, the structural form of the lifting hook is changed according to different use environments, the lifting hook group is an important component of a main machine lifting system of a vertical shaft heading machine, lifting safety is directly determined, the working environment of the vertical shaft heading machine is an underwater slurry environment, the lifting hook group needs to meet the safety application under the environment, and the components such as pulleys and bearings in the existing lifting hook group are invaded by impurities in slurry, so that phenomena such as rust and corrosion of the pulleys and the bearings are caused, namely the existing lifting hook group cannot meet the underwater slurry environment, and the safety coefficient and the use performance of the lifting system are further influenced.
In view of the foregoing, there is a need for a hook assembly adapted to an underwater slurry environment to solve the problem that slurry is easy to enter the pulley.
Disclosure of Invention
The utility model aims to provide a lifting hook group suitable for an underwater slurry environment, so as to solve the problem that slurry easily enters the pulley, and the specific technical scheme is as follows:
a lifting hook group suitable for an underwater slurry environment comprises an ear plate assembly, a pulley structure and a sealing assembly;
the ear plate assembly comprises two groups of ear plates which are arranged in parallel; the object to be suspended is connected to the ear plate;
the pulley structure comprises a pulley shaft, a first spacer bush and at least one group of pulley blocks; the pulley shafts are arranged on the two groups of lug plates; the pulley block comprises pulleys and two groups of pulley end covers; the pulley is arranged on the pulley shaft; in the axial direction of the pulley shaft, two groups of pulley end covers are respectively arranged on the pulleys; the pulley end cover is sleeved on the first spacer bush; in the axial direction of the pulley shaft, a first spacer bush is positioned between the lug plate and the pulley;
the seal assembly includes a first seal, a second seal, and a third seal; the first sealing piece is sleeved on the pulley shaft; the second sealing piece is sleeved on the periphery of the first spacer bush; in the radial direction of the pulley shaft, a first sealing element is positioned between the first spacer bush and the periphery of the pulley shaft, and a second sealing element is positioned between the first spacer bush and the pulley end cover; the third seal is disposed between the pulley and the pulley end cap for sealing between the pulley and the pulley end cap.
Preferably, the ear plate assembly further comprises wing plates corresponding to the ear plates one by one; the wing plates are positioned between the two groups of ear plates and are fixed on the ear plates in parallel; reinforcing ribs are arranged between the wing plates and the lug plates.
The technical scheme is preferable, and the pulley is provided with a groove along the circumferential direction; the wing plate is provided with a stop lever for limiting the steel wire rope in the groove.
The technical scheme is preferable, and a pulley frame arc plate is arranged between the two groups of ear plates; the pulley yoke arc plate is positioned below the two groups of wing plates.
The technical proposal is preferable, the lug plate is provided with a pulley shield, and the pulley shield is positioned above the pulley
The technical scheme is preferable, and the object to be suspended is connected to the ear plate through the connecting plate assembly; the connecting plate assembly comprises lifting hook pin shafts and connecting plates which are in one-to-one correspondence with the ear plates; the connecting plate is fixed on the ear plate; the lifting hook pin shaft is fixed between the two groups of connecting plates, and an object to be lifted is connected to the lifting hook pin shaft.
According to the technical scheme, the reinforcing bottom plate is preferably fixedly connected between the lug plate and the connecting plate.
According to the technical scheme, preferably, the second spacer bush is arranged between two adjacent pulley blocks in the axial direction of the pulley shaft, the second spacer bush is sleeved on the periphery of the pulley shaft, and the pulley end cover, close to one side of the second spacer bush, of the pulley block is sleeved on the periphery of the second spacer bush.
Preferably, the sealing assembly further comprises a fourth sealing element and a fifth sealing element; the fourth sealing element is arranged between the second spacer bush and the periphery of the pulley shaft, and the fifth sealing element is arranged between the periphery of the second spacer bush and the pulley end cover.
The technical scheme of the utility model has the following beneficial effects:
(1) The lifting hook group suitable for the underwater slurry environment comprises an ear plate assembly, a pulley structure and a sealing assembly; the ear plate assembly comprises two groups of ear plates which are arranged in parallel; the object to be suspended is connected to the ear plate; the pulley structure comprises a pulley shaft, a first spacer bush and at least one group of pulley blocks; according to the utility model, the sealing assembly comprises the first sealing element, the second sealing element and the third sealing element, wherein the first sealing element is used for preventing mud from entering the pulley from a gap between the first spacer bush and the pulley shaft, the second sealing element is used for preventing mud from entering the pulley from a gap between the pulley end cover and the periphery of the first spacer bush, and the third sealing element is used for preventing mud from entering the pulley from a gap between the pulley end cover and the pulley.
(2) In the utility model, the reinforcing ribs are arranged between the wing plates and the lug plates, so that the structural strength can be improved; the pulley is provided with a groove for limiting the steel wire rope, so that the structural reliability is ensured, and the steel wire rope is prevented from falling off the groove by arranging the baffle rod.
(3) The pulley frame arc plate plays a role in connecting two groups of lug plates, and further improves the structural strength.
(4) In the utility model, the lifting hook group lifts the heavy object through the connecting plate component, the structure is reasonable, and the stress is stable; through setting up reinforcing plate to guarantee between two sets of otic placodes, connect fixedly between two sets of connecting plates and between otic placode and the connecting plate, in order to increase overall structure intensity.
(5) In the utility model, the relative positions of two adjacent pulley blocks are limited by the second spacer bush, the fourth sealing element is used for preventing mud from entering the pulley from the gap between the second spacer bush and the pulley shaft, and the fifth sealing element is used for preventing mud from entering the pulley from the gap between the second spacer bush and the pulley end cover, so that the complete sealing of a plurality of groups of pulley blocks in a mud environment is ensured.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic axial side view of a hook set suitable for use in an underwater mud environment according to the present embodiment;
FIG. 2 is a side view schematic of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1;
FIG. 4 is an enlarged schematic view of A in FIG. 3;
wherein, 1, an ear plate assembly; 1.1, ear plates; 1.11, reinforcing ribs; 1.2, wing plates; 2. a pulley structure; 2.1, a pulley shaft; 2.2, a first spacer bush; 2.3, pulley blocks; 2.31, pulleys; 2.311, grooves; 2.32, pulley end caps; 2.33, bearings; 2.4, a second spacer bush; 3. a seal assembly; 3.1, a first seal; 3.2, a second sealing member; 3.3, a third seal; 3.4, fourth seal; 3.5, fifth seal; 4. a gear lever; 5. a pulley yoke arc plate; 6. a pulley shield; 7. a connecting plate assembly; 7.1, a lifting hook pin shaft; 7.2, connecting the plates; 8. the bottom plate is reinforced.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.
Examples:
a lifting hook group suitable for an underwater slurry environment comprises an ear plate assembly 1, a pulley structure 2, a sealing assembly 3, a baffle rod 4, a pulley yoke arc plate 5, a pulley shield 6, a connecting plate assembly 7 and a reinforcing bottom plate 8;
the ear plate assembly 1 comprises two groups of ear plates 1.1 and two groups of wing plates 1.2; two sets of otic placodes 1.1 and two sets of pterygoid lamina 1.2 one-to-one set up, and wherein, a set of otic placode 1.1 and a set of pterygoid lamina 1.2 are parallel and are fixed together, and two sets of otic placodes 1.1 parallel arrangement, two sets of pterygoid lamina 1.2 also parallel arrangement, and two sets of pterygoid lamina 1.2 are located the inboard of two sets of otic placodes 1.1, still fixedly provided with multiunit strengthening rib 1.11 between otic placode 1.1 and pterygoid lamina 1.2.
The pulley yoke arc plate 5 is used for connecting the two groups of lug plates 1.1, and the pulley yoke arc plate 5 is positioned below the wing plates 1.2 and the pulley structure 2.
The connecting plate assembly 7 is arranged below the two groups of ear plates 1.1, and an object to be hung is connected to the connecting plate assembly 7, specifically: the connecting plate assembly 7 comprises lifting hook pin shafts 7.1 and connecting plates 7.2 which are in one-to-one correspondence with the ear plates 1.1; the connecting plates 7.2 are vertically fixed at the lower ends of the lug plates 1.1, the lifting hook pin shafts 7.1 are fixed between the two groups of connecting plates 7.2, and objects to be lifted are connected to the lifting hook pin shafts 7.1.
Wherein, all strengthen the connection through same group's reinforcing bottom plate 8 between two sets of otic placodes 1.1, between two sets of connecting plates 7.2 and between otic placodes 1.1 and the connecting plate 7.2, in this embodiment, the quantity of reinforcing bottom plate 8 totally has two sets of.
The pulley structure 2 comprises a pulley shaft 2.1, a first spacer bush 2.2, a second spacer bush 2.4 and at least one group of pulley blocks 2.3 (two groups of pulley blocks 2.3 are shown in the embodiment);
the pulley shaft 2.1 vertically penetrates through the lug plate 1.1 and the wing plate 1.2, and the pulley shaft 2.1 provides a foundation for installation of the pulley block 2.3;
the two groups of pulley blocks 2.3 are arranged on the pulley shaft 2.1 between the two groups of ear plates 1.1; the pulley block 2.3 comprises a pulley 2.31, a pulley end cover 2.32 and a bearing 2.33; the pulley 2.31 is arranged on the periphery of the pulley shaft 2.1, the pulley 2.31 is specifically arranged on the periphery of the pulley shaft 2.1 through a bearing 2.33, namely the bearing 2.33 is sleeved on the periphery of the pulley shaft 2.1, the pulley 2.31 is sleeved on the periphery of the bearing 2.33, the number of the pulley end covers 2.32 is two, and in the axial direction of the pulley shaft 2.1, the two pulley end covers 2.32 are respectively arranged on two sides of the pulley 2.31 and are used for sealing the interior of the pulley 2.31; the bearing 2.33 is provided with seals on both axial sides of the pulley shaft 2.1, the seals on both sides of the bearing 2.33 acting to prevent mud from entering the interior of the bearing 2.33.
In the embodiment, a first spacer bush 2.2 is arranged between a pulley block 2.3 (specifically a pulley 2.31) and an ear plate 1.1, the first spacer bush 2.2 is sleeved on the periphery of a pulley shaft 2.1, and a pulley end cover 2.32, close to one side of the ear plate 1.1, of the pulley block 2.3 is sleeved on the periphery of the first spacer bush 2.2; because the pulley blocks 2.3 in the embodiment have two groups, the number of the first spacer bushes 2.2 is also two, and the two groups are respectively positioned at two axial sides of the pulley shaft 2.1;
a second spacer bush 2.4 is arranged between the two groups of pulley blocks 2.3 (in particular the pulleys 2.31) in the axial direction of the pulley shaft 2.1, and the second spacer bush 2.4 is sleeved on the periphery of the pulley shaft 2.1 and is used for limiting the position between the two groups of pulleys 2.31; the pulley end covers 2.32 of the two groups of pulley blocks 2.3 far away from one side of the lug plate 1.1 are sleeved on the periphery of the second spacer bush 2.4.
In this embodiment, the pulley 2.31 is provided with a groove 2.311 along its circumference, the groove 2.311 is used for limiting the steel wire rope, and a stop lever 4 is connected between the two sets of wing plates 1.2 or the two sets of ear plates 1.1, and the stop lever is used for limiting the steel wire rope in the groove 2.311 so as to avoid the steel wire rope from falling out of the groove, and in this embodiment, two radial sides of the pulley 2.31 are respectively provided with a set of stop levers 4.
In this embodiment, the pulley shield 6 is disposed above the two sets of ear plates 1.1, specifically, the pulley shield 6 is disposed above the two sets of pulley blocks 2.3, so as to play a role in protection.
In this embodiment, through setting up seal assembly 3 for the lifting hook group of this embodiment can be suitable for the mud environment under water, promptly through multiple sealing, realizes the application of lifting hook group to adverse circumstances, seal assembly 3 specifically as follows: the seal assembly 3 comprises a first seal 3.1, a second seal 3.2, a third seal 3.3, a fourth seal 3.4 and a fifth seal 3.5:
the first sealing element 3.1 is sleeved on the periphery of the pulley shaft 2.1, the first sealing element 3.1 is positioned between the inner periphery of the first spacer bush 2.2 and the periphery of the pulley shaft 2.1 in the radial direction of the pulley shaft 2.1, and the first sealing element 3.1 is used for preventing mud from entering the pulley 2.31 from a gap between the first spacer bush 2.2 and the pulley shaft 2.1;
the second sealing element 3.2 is sleeved on the periphery of the first spacer bush 2.2, the second sealing element 3.2 is positioned between the periphery of the first spacer bush 2.2 and the pulley end cover 2.32 (namely the pulley end cover 2.32 on one side of the pulley block 2.3 close to the lug plate 1.1) in the radial direction of the pulley shaft 2.1, and the second sealing element 3.2 is used for preventing mud from entering the pulley 2.31 from a gap between the pulley end cover 2.32 and the first spacer bush 2.2;
the third sealing element 3.3 is arranged between the pulley 2.31 and the pulley end cover 2.32, namely, a sealing groove is arranged on the pulley 2.31, the third sealing element 3.3 is arranged in the sealing groove, and is positioned between the pulley 2.31 and the pulley end cover 2.32 in the axial direction of the pulley shaft 2.1, and the third sealing element 3.3 is used for preventing mud from entering the pulley 2.31 from a gap between the pulley end cover 2.32 and the pulley 2.31;
the fourth sealing element 3.4 is sleeved on the outer periphery of the pulley shaft 2.1, and in the radial direction of the pulley shaft 2.1, the fourth sealing element 3.4 is positioned between the outer periphery of the pulley shaft 2.1 and the inner periphery of the second spacer bush 2.4, and the fourth sealing element 3.4 is used for preventing mud from entering the pulley 2.31 from a gap between the second spacer bush 2.4 and the pulley shaft 2.1;
the fifth sealing element 3.5 is sleeved on the periphery of the second spacer bush 2.4, and the fifth sealing element 3.5 is positioned between the second spacer bush 2.4 and the pulley end cover 2.32 (namely, the pulley block 2.3 is far away from the pulley end cover 2.32 on one side of the lug plate 1.1) in the radial direction of the pulley shaft 2.1, and the fifth sealing element 3.5 is used for preventing mud from entering the pulley 2.31 from a gap between the pulley end cover 2.32 and the second spacer bush 2.4.
The first seal 3.1, the third seal 3.3 and the fourth seal 3.4 are preferably O-ring seals, and the second seal 3.2 and the fifth seal 3.5 are preferably piston rod seals.
When the lifting hook group in this embodiment is applied to underwater slurry, through the plurality of groups of sealing elements, impurities such as slurry can not enter the pulley 2.31, and then normal operation of the lifting hook group in an underwater slurry environment can be guaranteed.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A lifting hook group suitable for an underwater slurry environment, which is characterized by comprising an ear plate assembly (1), a pulley structure (2) and a sealing assembly (3);
the ear plate assembly (1) comprises two groups of ear plates (1.1) which are arranged in parallel; the object to be suspended is connected to the ear plate (1.1);
the pulley structure (2) comprises a pulley shaft (2.1), a first spacer bush (2.2) and at least one group of pulley blocks (2.3); the pulley shafts (2.1) are arranged on the two groups of ear plates (1.1); the pulley block (2.3) comprises pulleys (2.31) and two groups of pulley end covers (2.32); the pulley (2.31) is arranged on the pulley shaft (2.1); in the axial direction of the pulley shaft (2.1), two groups of pulley end covers (2.32) are respectively arranged on the pulleys (2.31); the first spacer bush (2.2) is sleeved on the pulley shaft (2.1), and the pulley end cover (2.32) is sleeved on the first spacer bush (2.2); in the axial direction of the pulley shaft (2.1), the first spacer bush (2.2) is positioned between the lug plate (1.1) and the pulley (2.31);
the seal assembly (3) comprises a first seal (3.1), a second seal (3.2) and a third seal (3.3); the first sealing piece (3.1) is sleeved on the pulley shaft (2.1); the second sealing piece (3.2) is sleeved on the periphery of the first spacer bush (2.2); in the radial direction of the pulley shaft (2.1), a first sealing piece (3.1) is positioned between the first spacer bush (2.2) and the periphery of the pulley shaft (2.1), and a second sealing piece (3.2) is positioned between the first spacer bush (2.2) and the pulley end cover (2.32); a third seal (3.3) is provided between the pulley (2.31) and the pulley end cap (2.32) for sealing between the pulley (2.31) and the pulley end cap (2.32).
2. The set of hooks suitable for use in an underwater mud environment according to claim 1, wherein the ear plate assembly (1) further comprises wing plates (1.2) in one-to-one correspondence with the ear plates (1.1); the wing plates (1.2) are positioned between the two groups of ear plates (1.1), and the wing plates (1.2) are fixed on the ear plates (1.1) in parallel; reinforcing ribs (1.11) are arranged between the wing plates (1.2) and the lug plates (1.1).
3. The set of hooks suitable for use in an underwater mud environment according to claim 2, characterized in that the pulley (2.31) is grooved (2.311) along its circumference; a baffle rod (4) used for limiting the steel wire rope in the groove is arranged on the wing plate (1.2).
4. The set of hooks suitable for use in an underwater mud environment according to claim 2, characterized in that a pulley-carrier arc plate (5) is arranged between the two sets of ear plates (1.1); the pulley frame arc plate (5) is positioned below the two groups of wing plates (1.2).
5. The lifting hook set suitable for underwater mud environments according to claim 1, characterized in that the ear plate (1.1) is provided with a pulley shield (6), the pulley shield (6) being located above the pulley (2.31).
6. A set of hooks adapted for use in an underwater mud environment according to claim 1, characterized in that the object to be suspended is connected to the ear plate (1.1) by means of a connection plate assembly (7); the connecting plate assembly (7) comprises lifting hook pin shafts (7.1) and connecting plates (7.2) which are in one-to-one correspondence with the ear plates (1.1); the connecting plate (7.2) is fixed on the ear plate (1.1); the lifting hook pin shafts (7.1) are fixed between the two groups of connecting plates (7.2), and objects to be lifted are connected to the lifting hook pin shafts (7.1).
7. The set of hooks for use in an underwater mud environment according to claim 6, characterized in that a reinforcing base plate (8) is fixedly connected between the ear plate (1.1) and the connecting plate (7.2).
8. The lifting hook set suitable for underwater mud environments according to any one of claims 1-7, characterized in that a second spacer bush (2.4) is arranged between two adjacent pulley blocks (2.3) in the axial direction of the pulley shaft, the second spacer bush (2.4) is sleeved on the periphery of the pulley shaft (2.1), and a pulley end cover (2.32) on one side of the pulley block (2.3) close to the second spacer bush (2.4) is sleeved on the periphery of the second spacer bush (2.4).
9. A set of hooks adapted for use in an underwater mud environment according to claim 8, characterised in that the seal assembly (3) further comprises a fourth seal (3.4) and a fifth seal (3.5); the fourth sealing element (3.4) is arranged between the second spacer bush (2.4) and the periphery of the pulley shaft (2.1), and the fifth sealing element (3.5) is arranged between the periphery of the second spacer bush (2.4) and the pulley end cover (2.32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320462146.2U CN219620682U (en) | 2023-03-13 | 2023-03-13 | Lifting hook group suitable for underwater mud environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320462146.2U CN219620682U (en) | 2023-03-13 | 2023-03-13 | Lifting hook group suitable for underwater mud environment |
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| Publication Number | Publication Date |
|---|---|
| CN219620682U true CN219620682U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320462146.2U Active CN219620682U (en) | 2023-03-13 | 2023-03-13 | Lifting hook group suitable for underwater mud environment |
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| Country | Link |
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| CN (1) | CN219620682U (en) |
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- 2023-03-13 CN CN202320462146.2U patent/CN219620682U/en active Active
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