CN218231547U

CN218231547U - Lifting appliance

Info

Publication number: CN218231547U
Application number: CN202221959318.9U
Authority: CN
Inventors: 李明明; 李阳阳; 仲冬冬; 吕士成
Original assignee: AECC Commercial Aircraft Engine Co Ltd
Current assignee: AECC Commercial Aircraft Engine Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-06
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to a lifting appliance, including mount pad (10) and two hanging beam (20), two hanging beam (20) are connected with mount pad (10), and two hanging beam (20) are used for with treat that hoist and mount piece is connected. The two hanging beams (20) have a working state and a non-working state, and in the working state, the two hanging beams (20) are arranged along the circumferential direction of the mounting seat (10) at an included angle; in a non-working state, the two hanging beams (20) are retracted to an overlapped state along the circumferential direction of the mounting seat (10). The utility model discloses two hanging beams of hoist become the contained angle under operating condition and arrange, can withdraw into coincidence state under non-operating condition to can guarantee to treat the hoist and mount stability of hoist and mount piece to the jumbo size under operating condition, can realize the less volume of accomodating of hoist under non-operating condition, thereby make things convenient for the transportation of hoist and deposit.

Description

Lifting appliance

Technical Field

The utility model relates to a hoist and mount technical field especially relates to a lifting appliance.

Background

The assembly process of the engine relates to the hoisting work of a fan casing, the civil large duct is larger than the fan casing of the turbofan engine in size, the diameter of the civil large duct is usually larger than 2000mm, in the related art, the fan casing is usually hoisted by adopting a method of hoisting a casing mounting edge by a circular ring-shaped sling, in this case, the diameter of the sling needs to be consistent with the diameter of the casing mounting edge, and therefore, the outline size of the sling is larger, and the circular ring-shaped sling occupies a large storage space.

It is noted that the information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention, and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lifting appliance, which can save the storage space occupied by the lifting appliance in the storage state.

According to an aspect of the utility model, a hoist is provided, include:

a mounting seat; and

the two hanging beams are connected with the mounting seat, are used for being connected with a piece to be hung and have a working state and a non-working state, and are arranged along the circumferential direction of the mounting seat in an included angle in the working state; and under the non-working state, the two hanging beams are retracted to the overlapped state along the circumferential direction of the mounting seat.

In some embodiments, the two suspension beams are configured to be rotatable in a circumferential direction of the mount.

In some embodiments, the angle between the two suspension beams is adjustable in the operating state.

In some embodiments, the mounting seat comprises a connecting shaft, the hanging beams are provided with connecting holes, and the connecting shaft is arranged in the connecting holes of the two hanging beams in a penetrating mode so that the two hanging beams can rotate around the connecting shaft.

In some embodiments, the mounting seat further comprises a limiting device for limiting the movement of the suspension beam relative to the connecting shaft in the axial direction of the connecting shaft.

In some embodiments, the spacing device comprises a first clamping plate and a second clamping plate mounted on the connecting shaft, and the two suspension beams are arranged between the first clamping plate and the second clamping plate.

In some embodiments, the hanger further comprises a snap ring sleeved on the outer periphery of the connecting shaft, the connecting shaft is provided with an annular clamping groove for mounting the snap ring, the end portion of the connecting shaft comprises a flange portion extending outwards in the radial direction from the outer periphery of the connecting shaft, the snap ring abuts against one side of the first clamping plate away from the second clamping plate, and the flange portion abuts against one side of the second clamping plate away from the first clamping plate so as to limit the movement of the first clamping plate and the second clamping plate relative to the connecting shaft in the axial direction of the connecting shaft.

In some embodiments the spreader further comprises fixing means for fixing the relative position between the two suspension beams in the operational state.

In some embodiments, the spreader further comprises a first clamping plate and/or a second clamping plate, the fixing device comprises a first locating member, the first clamping plate and/or the second clamping plate is provided with a plurality of circumferentially arranged first locating holes, the suspension beam is provided with a second locating hole, and the first locating member passes through the second locating hole and one of the plurality of first locating holes to fix the position of the suspension beam relative to the first clamping plate and/or the second clamping plate under the working condition.

In some embodiments, the lifting appliance further comprises a lantern ring sleeved on the periphery of the lifting beam, the lantern ring is used for being connected with the piece to be lifted, and the position of the lantern ring in the length direction of the lifting beam is adjustable so as to realize adjustment of the lifting diameter of the lifting appliance.

In some embodiments, the spreader further comprises a second positioning member, the spreader beam is provided with a plurality of third positioning holes arranged along the length direction thereof, the collar is provided with a fourth positioning hole, and the second positioning member passes through one of the fourth positioning hole and the plurality of third positioning holes to adjust the position of the collar in the length direction of the spreader beam.

Based on the technical scheme, the utility model provides a lifting appliance, which comprises two lifting beams, wherein in the working state, the two lifting beams are arranged at an included angle, so that the lifting stability of a large-size piece to be lifted can be ensured; under the non-operating condition, two hanging beams can be withdrawed to the coincidence state to reduce the volume of hoist under the state of accomodating, thereby make things convenient for the transportation and the depositing of hoist.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a hanging beam of an embodiment of the spreader of the present invention in a working state;

fig. 2 shows a schematic structural diagram of a suspension beam of an embodiment of the spreader of the present invention in a non-operating state;

figure 3 shows a partial cross-sectional view of one embodiment of the spreader of the present invention;

fig. 4 shows an assembly diagram of an embodiment of the lifting appliance of the present invention and a member to be lifted.

In the figure:

10. a mounting seat; 11. a connecting shaft; 12. a first splint; 13. a second splint; 14. a hoisting ring; 20. a hanging beam; 30. a snap ring; 40. a first positioning member; 50. a collar; 60. a second positioning member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention.

As shown in fig. 1 and 2, in some embodiments of the spreader of the present invention, the spreader includes a mounting base 10 and two suspension beams 20, the two suspension beams 20 are connected with the mounting base 10, and the two suspension beams 20 are used for being connected with an object to be hoisted. The two hanging beams 20 have an operating state and a non-operating state, and in the operating state, the two hanging beams 20 are arranged along the circumferential direction of the mounting base 10 at an included angle; in the non-operating state, the two suspension beams 20 are retracted to the overlapping state along the circumferential direction of the mounting base 10.

When hoisting operation of a large-size piece to be hoisted is carried out, the sling needs to have sufficient stability and safety, so that in a working state, as shown in fig. 1, two hoisting beams 20 are arranged to form an included angle along the circumferential direction of an installation seat 10, the hoisting area of the piece to be hoisted can be increased, the gravity of the piece to be hoisted can be favorably dispersed, the acting force borne by a single hoisting beam 20 is reduced, and the stability and safety in the hoisting process are improved; in a non-working state, as shown in fig. 2, the two suspension beams 20 are retracted to an overlapped state along the circumferential direction of the mounting seat 10, so that the overall storage volume of the hanger can be greatly reduced, and the hanger is convenient to transport and store.

In some embodiments, the two suspension beams 20 are configured to be rotatable in the circumferential direction of the mount 10.

By arranging the two suspension beams 20 to be rotatable in the circumferential direction of the mount 10, it is possible to achieve switching between the operating state and the non-operating state of the two suspension beams 20.

The transition between the active and inactive state of the two suspension beams 20 may also be achieved in other ways.

In some embodiments, the two suspension beams 20 are configured to be telescopic in a radial direction with respect to the mount 10.

In some embodiments, two suspension beams 20 are configured to be foldable with respect to the radial direction of mount 10.

In some embodiments, the angle between the two suspension beams 20 is adjustable during operation.

Because the size, specification and the shape of treating the hoist and mount piece respectively are different usually, set up to adjustable through the contained angle size with between two hanging beams 20, on the one hand the convenience is adjusted the lifting point position, and on the other hand also makes the hoist can adapt to different operation spaces, makes the hoist assemble with different treating the hoist and mount piece smoothly in the hoist and mount operation, thereby can increase the utility model discloses the suitability of hoist.

As shown in fig. 3, in some embodiments, the mounting seat 10 includes a connecting shaft 11, the suspension beams 20 are provided with connecting holes, and the connecting shaft 11 is inserted into the connecting holes of the two suspension beams 20 so that the two suspension beams 20 can rotate around the connecting shaft 11.

Besides the rotating shaft structure provided in the present embodiment, the rotation of the two suspension beams 20 can be realized by other structures, such as a gear transmission structure, a chain transmission structure, a rotary joint structure, etc., which are selected according to actual situations.

In some embodiments, the mounting socket 10 further comprises a limiting device for limiting the movement of the suspension beam 20 relative to the connecting shaft 11 in the axial direction of the connecting shaft 11.

By arranging the limiting device, the problems of vibration, swing and the like caused by the movement of the hanging beam 20 relative to the connecting shaft 11 in the axial direction of the connecting shaft 11 can be avoided, and the working stability of the hanger is improved.

As shown in fig. 1 to 4, in some embodiments, the limiting device includes a first clamping plate 12 and a second clamping plate 13 mounted on the connecting shaft 11, and two suspension beams 20 are disposed between the first clamping plate 12 and the second clamping plate 13.

As can be seen from fig. 1, the first clamping plate 12 and the second clamping plate 13 are circular, and have diameters significantly larger than the width of the suspension beam 20, and referring to the direction shown in fig. 1, the second clamping plate 13 located below the suspension beam 20 can provide good support for the suspension beam 20 located below, while the first clamping plate 12 located above the suspension beam 20 abuts against the suspension beam 20 located above, so as to effectively limit the movement of the two suspension beams 20 in the axial direction of the connecting shaft 11, thereby ensuring the stability of the whole connection of the spreader.

As shown in fig. 3, in some embodiments, the hanger further includes a snap ring 30 sleeved on the outer periphery of the connecting shaft 11, the connecting shaft 11 is provided with an annular snap groove for mounting the snap ring 30, an end portion of the connecting shaft 11 includes a flange portion extending radially outward from the outer periphery of the connecting shaft 11, the snap ring 30 abuts against a side of the first clamping plate 12 away from the second clamping plate 13, and the flange portion abuts against a side of the second clamping plate 13 away from the first clamping plate 12, so as to limit movement of the first clamping plate 12 and the second clamping plate 13 relative to the connecting shaft 11 in the axial direction of the connecting shaft 11.

Referring to the direction shown in fig. 3, the flange portion at the lower end of the connecting shaft 11 supports the second clamping plate 13, and by providing the snap ring 30, the movement of the first clamping plate 12 in the axial direction of the connecting shaft 11 can be restricted, thereby further increasing the stability of the overall connection of the spreader.

As shown in fig. 3, in some embodiments, the spreader further comprises a lifting ring 14, the connecting shaft 11 is connected with the lifting ring 14, and the lifting ring 14 is used for connecting with a crane during the lifting operation.

In some embodiments the spreader further comprises fixing means for fixing the relative position between the two suspension beams 20 in the active state.

Through setting up fixing device, can make the contained angle between two hanging beams 20 keep unchangeable when operating condition, guarantee the stability of hoist promptly to guarantee going on smoothly of hoist and mount operation.

In some embodiments, the spreader further comprises a first clamping plate 12 and/or a second clamping plate 13, the fixing device comprises a first positioning member 40, the first clamping plate 12 and/or the second clamping plate 13 is provided with a plurality of circumferentially arranged first positioning holes, the suspension beam 20 is provided with a second positioning hole, and the first positioning member 40 passes through one of the second positioning hole and the plurality of first positioning holes to fix the position of the suspension beam 20 relative to the first clamping plate 12 and/or the second clamping plate 13 in the working state.

Through setting up first locating piece 40 and first locating hole, can realize improving the efficiency of hoist and mount operation to the quick location of hanging beam 20 for first splint 12 and/or second splint 13.

Besides, other structures can be adopted to position the hanging beam 20, for example, a positioning groove structure, an elastic self-locking structure, etc. is provided on the first clamping plate 12 and/or the second clamping plate 13, as long as the position of the hanging beam 20 relative to the first clamping plate 12 and/or the second clamping plate 13 can be fixed in the working state.

As shown in fig. 1, in some embodiments, the lifting appliance further includes a collar 50 sleeved on the periphery of the hanging beam 20, the collar 50 is used for being connected with an object to be lifted, and the position of the collar 50 in the length direction of the hanging beam 20 is adjustable to achieve adjustment of the lifting diameter of the lifting appliance.

Through setting up the lantern ring 50 of the position adjustable on the length direction of hanging beam 20 for the hoist is applicable to treating hoist and mount piece that has different hoist and mount diameters, improves the utility model discloses the suitability of hoist.

As shown in fig. 3, in some embodiments, the spreader further comprises a second positioning member 60, the suspension beam 20 is provided with a plurality of third positioning holes arranged along the length direction thereof, the collar 50 is provided with a fourth positioning hole, and the second positioning member 60 passes through one of the fourth positioning hole and the plurality of third positioning holes to adjust the position of the collar 50 in the length direction of the suspension beam 20.

The second positioning element 60 can be a common bolt, a positioning pin, etc., as long as it can achieve the function of conveniently inserting and pulling to fix the position of the collar 50 on the hanging beam 20.

The structure and the working process of the embodiment of the lifting appliance of the present invention are explained below:

as shown in fig. 1 to 3, the lifting appliance provided by the present invention comprises a mounting base 10 and two lifting beams 20, wherein the two lifting beams 20 are connected with the mounting base 10. The mounting base 10 includes a connecting shaft 11, the suspension beams 20 are provided with connecting holes, and the connecting shaft 11 is inserted into the connecting holes of the two suspension beams 20, so that the two suspension beams 20 can rotate around the connecting shaft 11. The mounting base 10 further includes a first clamping plate 12 and a second clamping plate 13 mounted on the connecting shaft 11, and two suspension beams 20 are disposed between the first clamping plate 12 and the second clamping plate 13.

The spreader further comprises a first positioning member 40, the first clamping plate 12 and the second clamping plate 13 are provided with a plurality of first positioning holes arranged along the circumferential direction, and the first positioning member 40 passes through one of the second positioning holes and the plurality of first positioning holes so as to fix the position of the suspension beam 20 relative to the first clamping plate 12 and the second clamping plate 13 in the working state.

The hanger further comprises a second positioning member 60 and a collar 50 sleeved on the periphery of the hanging beam 20, the hanging beam 20 is provided with a plurality of third positioning holes arranged along the length direction of the hanging beam, the collar 50 is provided with a fourth positioning hole, and the second positioning member 60 passes through one of the fourth positioning hole and the plurality of third positioning holes to adjust the position of the collar 50 in the length direction of the hanging beam 20.

In this embodiment, the first positioning member 40 and the second positioning member 60 are both quick release pins.

Referring to the orientation shown in fig. 3, the hanger further includes a hanging ring 14 connected above the connecting shaft 11, and a snap ring 30 fitted around the outer periphery of the connecting shaft 11, the connecting shaft 11 is provided with an annular snap groove for mounting the snap ring 30, the lower end of the connecting shaft 11 includes a flange portion extending radially outward from the outer periphery of the connecting shaft 11, the snap ring 30 abuts against the upper surface of the first clamping plate 12, and the flange portion abuts against the lower surface of the second clamping plate 13 to restrict the movement of the first clamping plate 12 and the second clamping plate 13 relative to the connecting shaft 11 in the axial direction of the connecting shaft 11.

When the lifting appliance of the utility model is used for lifting the casing, firstly, as shown in fig. 1, the whole assembly of the lifting appliance is completed; secondly, adjusting the position of the lantern ring 50 on the hanging beam 20 according to the diameter of the mounting edge of the casing, and fixing the lantern ring by a second positioning piece 60; then, adjusting the included angle between the two hanging beams 20 according to the positions of the connecting holes at the mounting edge of the receiver, and fixing the positions of the two hanging beams 20 relative to the first clamping plate 12 and the second clamping plate 13 through the first positioning piece 40, so as to maintain the lifting shape of the lifting appliance unchanged, as shown in fig. 4; after the hoisting operation of the receiver is completed, the first positioning element 40 and the second positioning element 60 are pulled out, the lantern ring 50 is removed, the two hoisting beams 20 are rotated to the overlapped state as shown in fig. 2, and the hanger is stored vertically or horizontally.

Through right the utility model discloses the explanation of a plurality of embodiments of hoist can be seen the utility model discloses the hoist has following advantage at least:

1. the lifting appliance adopts a variable shape design, the two lifting beams can rotate around a fixed axis, the position of the lantern ring on the lifting beams can be adjusted, and the lifting requirements of pieces to be lifted with different specifications and sizes can be met by changing the included angle between the two lifting beams and adjusting the position of the lantern ring;

2. the two hanging beams can rotate along the axis to be in a superposed state to form a straight beam, and the hanging tool can be vertically or horizontally placed after being superposed, so that the storage space of the large hanging tool is greatly reduced;

3. the lifting beam is clamped by the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are provided with the positioning holes, so that the integral connection stability of the lifting appliance can be improved, and the stability and the safety of the lifting operation are ensured;

4. the clamping plates and the hanging beam and the lantern rings and the hanging beam are fixed by the positioning pieces which can be quickly plugged and pulled out, so that the lifting appliance can be quickly assembled and disassembled, the lifting operation efficiency can be improved, and the working period can be shortened.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the utility model discloses a do not deviate from under the prerequisite of the principle, still can be right the utility model discloses a specific embodiment modifies or carries out the equivalent replacement to some technical features, and these are modified and should be covered with the equivalent replacement in the middle of the technical scheme scope of the utility model.

Claims

1. A spreader, comprising:

a mounting seat (10); and

the two hanging beams (20) are connected with the mounting seat (10), the two hanging beams (20) are used for being connected with a piece to be hung, the two hanging beams (20) have a working state and a non-working state, and in the working state, the two hanging beams (20) are arranged along the circumferential direction of the mounting seat (10) at an included angle; in the non-working state, the two hanging beams (20) are retracted to be overlapped along the circumferential direction of the mounting seat (10).

2. A spreader according to claim 1, characterised in that both of the suspension beams (20) are configured to be rotatable in the circumferential direction of the mount (10).

3. A spreader according to claim 1, wherein the angle between the two spreader beams (20) is adjustable in the operational state.

4. The spreader according to claim 1, wherein the mounting seat (10) comprises a connecting shaft (11), the suspension beams (20) are provided with connecting holes, and the connecting shaft (11) is inserted into the connecting holes of the two suspension beams (20) so that the two suspension beams (20) can rotate around the connecting shaft (11).

5. A spreader according to claim 4, wherein the mounting seat (10) further comprises limiting means for limiting the movement of the spreader beam (20) relative to the connecting shaft (11) in the axial direction of the connecting shaft (11).

6. The spreader according to claim 5, wherein the spacing means comprise a first clamping plate (12) and a second clamping plate (13) mounted on the connection shaft (11), the two suspension beams (20) being arranged between the first clamping plate (12) and the second clamping plate (13).

7. The spreader according to claim 6, further comprising a snap ring (30) fitted around the outer periphery of the connecting shaft (11), wherein the connecting shaft (11) is provided with an annular snap groove for mounting the snap ring (30), wherein the end portion of the connecting shaft (11) comprises a flange portion extending radially outward from the outer periphery of the connecting shaft (11), the snap ring (30) abuts against a side of the first clamping plate (12) away from the second clamping plate (13), and the flange portion abuts against a side of the second clamping plate (13) away from the first clamping plate (12) to limit movement of the first clamping plate (12) and the second clamping plate (13) relative to the connecting shaft (11) in the axial direction of the connecting shaft (11).

8. A spreader according to claim 1, further comprising fixing means for fixing the relative position between the two suspension beams (20) in the working condition.

9. The spreader according to claim 8, further comprising a first clamping plate (12) and/or a second clamping plate (13), wherein the fixing means comprises a first positioning member (40), wherein the first clamping plate (12) and/or the second clamping plate (13) is provided with a plurality of circumferentially arranged first positioning holes, wherein the suspension beam (20) is provided with a second positioning hole, and wherein the first positioning member (40) passes through one of the second positioning hole and the plurality of first positioning holes to fix the position of the suspension beam (20) relative to the first clamping plate (12) and/or the second clamping plate (13) in the working state.

10. The lifting appliance according to claim 1, further comprising a collar (50) sleeved on the periphery of the lifting beam (20), wherein the collar (50) is used for being connected with the piece to be lifted, and the position of the collar (50) in the length direction of the lifting beam (20) is adjustable to realize adjustment of the lifting diameter of the lifting appliance.

11. The spreader according to claim 10, further comprising a second positioning member (60), wherein the suspension beam (20) is provided with a plurality of third positioning holes arranged along the length direction thereof, and wherein the collar (50) is provided with a fourth positioning hole, wherein the second positioning member (60) passes through one of the fourth positioning hole and the plurality of third positioning holes to adjust the position of the collar (50) in the length direction of the suspension beam (20).