CN216426493U

CN216426493U - Hoisting device

Info

Publication number: CN216426493U
Application number: CN202122896235.1U
Authority: CN
Inventors: 谢小挺; 何军; 刘腾; 陈天凤
Original assignee: China Shipbuilding Power Engineering Institute Co Ltd
Current assignee: China Shipbuilding Power Engineering Institute Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-03
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to a lifting equipment technical field discloses a hoisting accessory. The lifting device comprises a lifting piece, a first sleeve, a second sleeve, a first fastener and a second fastener, the lifting piece comprises a lifting plate and a lifting arm which are connected, the lifting arm is used for being connected with a crane, the first sleeve is used for being in threaded connection with a first cylinder cover bolt of a cylinder cover to be lifted, the second sleeve is used for being in threaded connection with a second cylinder cover bolt of the cylinder cover to be lifted, the first fastener is used for detachably connecting the lifting plate with the first sleeve, and the second fastener is used for detachably connecting the lifting plate with the second sleeve. The utility model provides a hoisting accessory lifts by crane the security high, lifts by crane efficiently, need not to have lifted by crane the lifting eye to current cylinder cap processing, lifts by crane the effort and applys the position adjustable, lifts by crane with low costsly.

Description

Hoisting device

Technical Field

The utility model relates to a lifting means technical field especially relates to a hoisting accessory.

Background

The arrangement form of the cylinder covers on the tops of certain types of low-speed diesel engines is greatly different from that of the traditional low-speed diesel engines, so that the layout of a lifting appliance is very difficult, and when the lifting appliance is installed, the lifting appliance can be installed only by rotating the crankshaft to a specific position by using a jigger after the cylinder covers at the top ends of two cylinders, cylinder cover bolts, exhaust valves, fuel injector starting valves, various oil pipes and other parts are disassembled. Especially, the installation and the dismantlement of cylinder head bolt are troublesome, all need use hydraulic stretching ware to exert the pretightning force to the cylinder head bolt, and the hydraulic pressure of hydraulic stretching ware hydraulic pump needs to reach 150 MPa's superhigh pressure moreover, has the operation potential safety hazard. Because the cylinder is open, strict protection is also necessary during installation and hoisting to prevent the combustion chamber from entering foreign matters. The workload of dismantling and reinstalling the diesel engine part by adopting the hoisting tool and the method is great, and the efficiency is very low.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, an object of the utility model is to provide a lifting device lifts by crane the security high, lifts by crane efficiently, lifts by crane with low costsly.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a lifting device, comprising:

the lifting piece comprises a lifting plate and a lifting arm which are connected, and the lifting arm is used for being connected with the crane;

the first sleeve is used for being in threaded connection with a first cylinder cover bolt of the cylinder cover to be lifted;

the second sleeve is used for being in threaded connection with a second cylinder cover bolt of the cylinder cover to be lifted;

a first fastener for detachably connecting the lifting plate and the first sleeve;

a second fastener for removably connecting the lifting plate and the second sleeve.

As an alternative of the hoisting device of the present invention, the first head bolt is provided with a first external thread, and the inner wall of the first sleeve is provided with a first internal thread matched with the first external thread; and a second external thread is arranged on the second cylinder cover bolt, and a second internal thread matched with the second external thread is arranged on the inner wall of the second sleeve.

As an alternative of the hoisting device of the present invention, the cross-section of the outer peripheral wall of the first sleeve and the second sleeve is a regular hexagon.

As the utility model discloses a hoisting accessory's alternative, the davit with the davit is the contained angle setting.

As the utility model discloses a hoisting accessory's alternative, be provided with the lewis hole on the davit.

As the utility model discloses a hoisting accessory's alternative, first fastener with the link of lifting board the second fastener with the link of lifting board and the lifting arm with the link of lifting board is three horn shapes and distributes between the three.

As an alternative of the hoisting device of the present invention, the first fastening member includes a first nut and a first stud connected to each other, the first stud is in threaded connection with the first sleeve, and the hoisting plate is sandwiched between the first nut and the first sleeve; the second fastener comprises a second nut and a second stud which are connected, the second stud is in threaded connection with the second sleeve, and the lifting plate is clamped between the second nut and the second sleeve.

As an alternative of the hoisting device of the present invention, the first stud is provided with a third external thread, and the inner wall of the first sleeve is provided with a third internal thread matched with the third external thread; and a fourth external thread is arranged on the second stud, and a fourth internal thread matched with the fourth external thread is arranged on the inner wall of the second sleeve.

As the utility model discloses a hoisting accessory's alternative, it is provided with first through-hole and second through-hole to lift on the hanger plate, first double-screw bolt runs through first through-hole, the second double-screw bolt runs through the second through-hole.

As the utility model discloses a hoisting accessory's alternative still includes the dismouting piece, the dismouting piece is used for revolving revolves twist first nut or the second nut.

The utility model has the advantages that:

the utility model provides a hoisting accessory, through first sleeve and the first cylinder cap bolt threaded connection who waits to lift by crane the cylinder cap, through second sleeve and the second cylinder cap bolt threaded connection who waits to lift by crane the cylinder cap, connect hoisting plate and first sleeve through first fastener, connect hoisting plate and second sleeve through the second fastener, be connected with the hoist through the hoisting arm, realize that the hoist treats the promotion of lifting by crane the cylinder cap, this hoisting accessory can arrange many places according to weight and centrobaric demand adaptability on waiting to lift by crane the cylinder cap, the security of lifting by crane is high, it is efficient to lift by crane, need not to process lifting eye to current cylinder cap, it is adjustable to lift by crane the effort, it is with low costs to lift by crane.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present invention;

fig. 2 is an explosion schematic diagram of a hoisting apparatus provided by the embodiment of the present invention.

In the figure:

1-lifting a lifting piece; 2-a first sleeve; 3-a second sleeve; 4-a first fastener; 5-a second fastener;

11-lifting the hanger plate; 111-a first via; 112-a second via; 12-lifting the arm; 121-lifting holes;

41-a first nut; 42-a first stud;

51-a second nut; 52-second stud.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the present embodiment provides a lifting device, which includes a lifting member 1, a first sleeve 2, a second sleeve 3, a first fastening member 4 and a second fastening member 5, wherein the lifting member 1 includes a lifting plate 11 and a lifting arm 12 connected to each other, the lifting arm 12 is used for connecting to a crane, the first sleeve 2 is used for being in threaded connection with a first cylinder head bolt of a cylinder head to be lifted, the second sleeve 3 is used for being in threaded connection with a second cylinder head bolt of the cylinder head to be lifted, the first fastening member 4 is used for detachably connecting the lifting plate 11 to the first sleeve 2, and the second fastening member 5 is used for detachably connecting the lifting plate 11 to the second sleeve 3.

When the lifting device is used, the cylinder cover is in threaded connection with a first cylinder cover bolt of a cylinder cover to be lifted through the first sleeve 2, the cylinder cover is in threaded connection with a second cylinder cover bolt of the cylinder cover to be lifted through the second sleeve 3, the lifting plate 11 and the first sleeve 2 are connected through the first fastener 4, the lifting plate 11 and the second sleeve 3 are connected through the second fastener 5, the lifting arm 12 is connected with a crane, the lifting of the cylinder cover to be lifted by the crane is realized, the lifting device can be adaptively arranged on the cylinder cover to be lifted according to the weight and the gravity center, the lifting safety is high, the lifting efficiency is high, the lifting hole does not need to be processed on the existing cylinder cover, the application position of the lifting force is adjustable, and the lifting cost is low.

In order to improve the lifting safety, optionally, a first external thread is arranged on the first cylinder cap bolt, a first internal thread matched with the first external thread is arranged on the inner wall of the first sleeve 2, a threaded connection mode is adopted, the connection strength of the first sleeve 2 and the first cylinder cap bolt is enhanced, and the lifting safety device is simple, effective and low in cost. Be provided with the second external screw thread on the second cylinder cap bolt, be provided with on the inner wall of second sleeve 3 with the second external screw thread complex second internal thread, adopt the threaded connection mode, strengthened the joint strength of second sleeve 3 and second cylinder cap bolt, practical effective.

In order to facilitate screwing of the first sleeve 2 and the second sleeve 3 using a conventional tool such as a wrench, the outer peripheral walls of the first sleeve 2 and the second sleeve 3 may alternatively have a regular hexagonal cross-section, thereby reducing the installation space requirement. Since the cylinder head bolts of the cylinder head to be lifted usually form a certain angle with the direction of the lifting force, optionally, the lifting arm 12 and the lifting plate 11 form an angle, specifically, the angle between the lifting arm 12 and the lifting plate 11 may be 120 °.

To facilitate the connection of the hauling rope of the crane to the lifting arm 12, the lifting arm 12 is optionally provided with lifting holes 121. In order to improve the lifting stability, optionally, the connecting end of the first fastening member 4 and the lifting plate 11, the connecting end of the second fastening member 5 and the lifting plate 11, and the connecting end of the lifting arm 12 and the lifting plate 11 are distributed in a triangular shape.

In order to improve the bearing capacity of the hoisting plate 11, optionally, the first fastener 4 includes a first nut 41 and a first stud 42 connected to each other, the first stud 42 is in threaded connection with the first sleeve 2, and the hoisting plate 11 is clamped between the first nut 41 and the first sleeve 2; the second fastener 5 comprises a second nut 51 and a second stud 52 which are connected, the second stud 52 is in threaded connection with the second sleeve 3, and the lifting plate 11 is clamped between the second nut 51 and the second sleeve 3.

In order to improve the lifting safety, optionally, a third external thread is arranged on the first stud 42, a third internal thread matched with the third external thread is arranged on the inner wall of the first sleeve 2, and a threaded connection mode is adopted, so that the connection strength of the first stud 42 and the first sleeve 2 is enhanced, and the lifting safety is simple, effective and low in cost. The second stud 52 is provided with a fourth external thread, the inner wall of the second sleeve 3 is provided with a fourth internal thread matched with the fourth external thread, the connection strength of the second stud 52 and the second sleeve 3 is enhanced by adopting a threaded connection mode, and the connecting structure is simple, effective and low in cost.

In order to avoid the interference between the first stud 42 and the second stud 52 and the lifting plate 11, optionally, a first through hole 111 and a second through hole 112 are provided on the lifting plate 11, the first stud 42 penetrates through the first through hole 111, and the second stud 52 penetrates through the second through hole 112. Optionally, the lifting device further comprises a dismounting member, the dismounting member is used for screwing the first nut 41 or the second nut 51, and the dismounting member can be an inner hexagonal wrench to adapt to a narrow installation space.

The hoisting accessory that this embodiment provided, through first sleeve 2 with treat the first cylinder cap bolt threaded connection who lifts by crane the cylinder cap, through second sleeve 3 with treat the second cylinder cap bolt threaded connection who lifts by crane the cylinder cap, connect hoisting plate 11 and first sleeve 2 through first fastener 4, connect hoisting plate 11 and second sleeve 3 through second fastener 5, be connected with the hoist through hoisting arm 12, realize the hoist and treat the promotion of lifting by crane the cylinder cap, this hoisting accessory can be according to weight and centrobaric demand and arrange many places on treating the cylinder cap that lifts by crane adaptability, it is high to lift by crane the security, it is efficient to lift by crane, need not to process the lifting eye to current cylinder cap, it is adjustable to lift by crane the effort application position, it is with low costs to lift by crane.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A hoisting device, comprising:

the lifting piece (1) comprises a lifting plate (11) and a lifting arm (12) which are connected, and the lifting arm (12) is used for being connected with a crane;

the first sleeve (2) is used for being in threaded connection with a first cylinder cover bolt of a cylinder cover to be lifted;

the second sleeve (3) is in threaded connection with a second cylinder cover bolt of the cylinder cover to be lifted;

a first fastener (4) for detachably connecting the lifting plate (11) and the first sleeve (2);

a second fastener (5) for detachably connecting the lifting plate (11) and the second sleeve (3).

2. A hoisting device as claimed in claim 1, characterized in that the first head bolt is provided with a first external thread, and the inner wall of the first sleeve (2) is provided with a first internal thread cooperating with the first external thread; and a second external thread is arranged on the second cylinder cover bolt, and a second internal thread matched with the second external thread is arranged on the inner wall of the second sleeve (3).

3. Hoisting device according to claim 1, characterized in that the cross-section of the peripheral walls of the first sleeve (2) and the second sleeve (3) is regular hexagonal.

4. A hoisting device as claimed in claim 1, characterized in that the hoisting arm (12) is arranged at an angle to the hoisting plate (11).

5. Hoisting device as claimed in claim 1, characterized in that the hoisting arm (12) is provided with hoisting holes (121).

6. A hoisting device as claimed in claim 1, characterized in that the connection ends of the first fastening element (4) and the hoisting plate (11), the second fastening element (5) and the hoisting plate (11), and the hoisting arm (12) and the hoisting plate (11) are distributed in a triangular pattern.

7. Hoisting device according to any one of claims 1-6, characterized in that the first fastening member (4) comprises a first nut (41) and a first stud (42) connected, the first stud (42) being in threaded connection with the first sleeve (2), the hoisting plate (11) being interposed between the first nut (41) and the first sleeve (2); the second fastener (5) comprises a second nut (51) and a second stud (52) which are connected, the second stud (52) is in threaded connection with the second sleeve (3), and the hoisting plate (11) is clamped between the second nut (51) and the second sleeve (3).

8. A hoisting device as claimed in claim 7, characterized in that the first stud (42) is provided with a third external thread, and the inner wall of the first sleeve (2) is provided with a third internal thread cooperating with the third external thread; a fourth external thread is arranged on the second stud (52), and a fourth internal thread matched with the fourth external thread is arranged on the inner wall of the second sleeve (3).

9. The hoisting device according to claim 7, wherein the hoisting plate (11) is provided with a first through hole (111) and a second through hole (112), the first stud (42) penetrates through the first through hole (111), and the second stud (52) penetrates through the second through hole (112).

10. Hoisting device according to claim 7, further comprising a dismounting member for screwing the first nut (41) or the second nut (51).