CN111762680A - Lifting appliance - Google Patents
Lifting appliance Download PDFInfo
- Publication number
- CN111762680A CN111762680A CN202010655123.4A CN202010655123A CN111762680A CN 111762680 A CN111762680 A CN 111762680A CN 202010655123 A CN202010655123 A CN 202010655123A CN 111762680 A CN111762680 A CN 111762680A
- Authority
- CN
- China
- Prior art keywords
- spreader
- lifting
- ring
- rocker arm
- mounting base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/422—Gripping members engaging only the external or internal surfaces of the articles actuated by lifting force
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a lifting appliance, and relates to the technical field of engine assembling tools. The hoist is used for hoisting the flywheel shell of engine, includes: a mounting seat; the lifting ring is arranged above the mounting seat and can move up and down; one end of each rocker arm is provided with a clamping hook, the other end of each rocker arm is movably connected with the lifting ring, and the middle part of each rocker arm is rotatably arranged on the mounting seat; the hooks of the rocker arms are arranged to be driven to contract relatively when the hanging ring moves upwards, and to expand relatively when the hanging ring moves downwards. The lifting appliance provided by the invention has the advantages of simple structure, convenience in operation, good lifting effect and better stability.
Description
Technical Field
The invention relates to the technical field of engine assembling tools, in particular to a lifting appliance.
Background
The engine flywheel shell is similar to a disc-shaped special-shaped part, the appearance is large and irregular, manual carrying is very laborious due to the fact that the engine flywheel shell is heavy, especially the flywheel shell of the engine with large displacement is transported in the transporting and installing process, and the engine flywheel shell is generally required to be clamped and transported by means of an engine flywheel shell clamp.
The existing lifting appliance for lifting the flywheel shell of the engine is complex in structure and inconvenient to use.
Disclosure of Invention
The invention mainly aims to provide a lifting appliance, and aims to provide a lifting appliance which is simple in structure and convenient to operate.
In order to achieve the above object, the present invention provides a lifting appliance for lifting a flywheel housing of an engine, comprising:
a mounting seat;
the lifting ring is arranged above the mounting seat and can move up and down; and the number of the first and second groups,
one end of each rocker arm is provided with a clamping hook, the other end of each rocker arm is movably connected with the lifting ring, and the middle part of each rocker arm is rotatably arranged on the mounting seat;
the hooks of the rocker arms are arranged to be driven to contract relatively when the hanging ring moves upwards, and to expand relatively when the hanging ring moves downwards.
Optionally, be equipped with the stand on the mount pad, the stand certainly the center of mount pad upwards extends, the stand has along the slide of extending from top to bottom, rings include ring portion and locate the pull rod portion of ring portion lower extreme, pull rod portion runs through the top of stand stretches into in the slide, and can follow the slide removes.
Optionally, a yielding groove is formed in the side surface of the upright post;
the lifting ring further comprises a connecting portion, the connecting portion extends from the lower end of the pull rod portion in the horizontal direction, and the connecting portion penetrates through the abdicating groove and is movably connected to the rocker arm.
Optionally, the hanger further comprises a hook, and the hook is movably mounted on the upright column and used for being matched with the connecting part to limit the lifting ring to move upwards.
Optionally, a plurality of fixing portions are arranged on the mounting seat at intervals along the circumferential direction of the mounting seat, the plurality of rocker arms are arranged corresponding to the plurality of fixing portions, and the middle portion of each rocker arm is rotatably arranged on the fixing portions.
Optionally, the number of the fixing portions is three, and the number of the rocker arms is three.
Optionally, the hook has an end portion for abutting against the flywheel housing, and the end portion is provided with an elastic layer.
Optionally, the downside of mount pad is equipped with a plurality of guides, and is a plurality of the guide enclose close form with the outer profile adaptation of bell housing encloses the space, and each the lower extreme of guide is equipped with the chamfer face.
Optionally, the spreader further comprises a handrail, and the handrail is arranged on the mounting seat.
Optionally, a lightening hole is formed in the mounting seat.
According to the technical scheme, the lifting appliance is designed, when a flywheel shell of an engine is lifted, the lifting appliance is roughly placed above the flywheel shell of the engine, then the lifting rings are pulled upwards, so that the clamping hooks on the rocker arms are relatively contracted to clamp the flywheel shell of the engine, then the lifting rings are continuously pulled upwards, the clamping hooks are continuously contracted to lift and convey the flywheel shell of the engine to a required position, after the flywheel shell of the engine reaches the required position, the lifting rings move downwards, at the moment, the clamping hooks are relatively unfolded and separated from the flywheel shell of the engine, and the lifting of the flywheel shell of the engine is completed. The lifting appliance provided by the invention has the advantages of simple structure, convenience in operation, good lifting effect and better stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an embodiment of a spreader according to the present invention;
FIG. 2 is a side view of the spreader shown in FIG. 1;
FIG. 3 is a top view of the spreader of FIG. 1;
fig. 4 is a schematic view of a part of the spreader shown in fig. 1;
FIG. 5 is a schematic structural view of the flying ring of FIG. 1;
fig. 6 is a schematic structural view of the pin of fig. 4.
The reference numbers illustrate:
| 100 | |
22 | Pull rod part |
| 1 | |
221 | |
| 11 | |
23 | Connecting |
| 111 | |
231 | |
| 112 | Abdicating |
231a | |
| 113 | |
3 | Rocker |
| 12 | Fixing |
31 | |
| 13 | |
311 | |
| 131 | Chamfered |
311a | |
| 14 | Lightening hole | 4 | Hook for hanging articles |
| 2 | |
5 | |
| 21 | |
6 | Sliding sleeve |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front, rear, outer and inner … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The existing lifting appliance for lifting the flywheel shell of the engine is complex in structure and inconvenient to use.
In view of this, the present invention provides a lifting appliance, and aims to provide a lifting appliance with simple structure and convenient operation. Fig. 1 is a schematic view of an embodiment of a spreader according to the present invention; FIG. 2 is a side view of the spreader shown in FIG. 1; FIG. 3 is a top view of the spreader of FIG. 1; fig. 4 is a schematic view of a part of the spreader shown in fig. 1; FIG. 5 is a schematic structural view of the flying ring of FIG. 1; fig. 6 is a schematic structural view of the pin of fig. 4.
Referring to fig. 1, a lifting appliance 100 according to an embodiment of the present invention is used for lifting a flywheel housing of an engine, and includes a mounting base 1, a lifting ring 2 and a plurality of rocker arms 3, where the lifting ring 2 is disposed above the mounting base 1 and can move up and down; one end of each rocker arm 3 is provided with a clamping hook 31, the other end is movably connected with the hanging ring 2, and the middle part is rotatably arranged on the mounting seat 1; furthermore, the hooks 31 of the plurality of rocker arms 3 are arranged to be urged to contract relatively when the suspension ring 2 moves upward and to expand relatively when the suspension ring 2 moves downward.
According to the lifting appliance 100 designed by the invention, when the flywheel housing of the engine is lifted, after the lifting appliance 100 is approximately placed above the flywheel housing of the engine, the lifting ring 2 is pulled upwards, the hooks 31 on the rocker arms 3 are relatively contracted to clamp the flywheel housing of the engine, then the lifting ring 2 is continuously pulled upwards, the hooks 31 are continuously contracted to lift and convey the flywheel housing of the engine to a required position, after the flywheel housing of the engine reaches the required position, the lifting ring 2 moves downwards, and at the moment, the hooks 31 are relatively unfolded and separated from the flywheel housing of the engine, so that the lifting of the flywheel housing of the engine is completed. The lifting appliance 100 provided by the invention has the advantages of simple structure, convenience in operation, good lifting effect and better stability.
As to how to realize that the hook 31 is driven to contract relatively when the hanging ring 2 moves upwards and the hook 31 is driven to expand relatively when the hanging ring 2 moves downwards, the present invention is not limited, preferably, referring to fig. 1, 2 and 5, an upright post 11 is arranged on the mounting base 1, the upright post 11 extends upwards from the center of the mounting base 1, the upright post 11 has a slideway 111 extending upwards and downwards, the hanging ring 2 includes a ring portion 21 and a pull rod portion 22 arranged at the lower end of the ring portion 21, and the pull rod portion 22 penetrates through the top end of the upright post 11 and extends into the slideway 111 and can move along the slideway 111.
Preferably, referring to fig. 2 and 5, a sliding sleeve 6 is disposed between the pull rod and the upright 11, on one hand, to seal a gap between the pull rod and the upright 11, and on the other hand, to play a role of buffering.
Further, referring to fig. 1, a yielding groove 112 is formed on a side surface of the upright post 11; the hanging ring 2 further comprises a connecting part 23, the connecting part 23 extends from the lower end of the pull rod part 22 along the horizontal direction, and the connecting part 23 penetrates through the abdicating groove 112 and is movably connected to the rocker arm 3. When the connecting part 23 moves downwards in the abdicating groove 112, namely the hanging ring 2 moves downwards, at the moment, the hooks 31 are relatively unfolded and separated from the flywheel shell of the engine; when the connecting part 23 moves upwards in the receding groove 112, namely the hanging ring 2 moves upwards, the hook 31 is relatively contracted at the moment, and the flywheel housing of the engine is clamped, so that the structure is simple, smooth and flexible.
It should be noted that, the connecting portion 23 is movably connected to the specific form of the rocker arm 3, the present invention is not limited, preferably, referring to fig. 4, a waist-shaped hole is provided at the end of the rocker arm 3, and a pin passes through the waist-shaped hole and is connected to the connecting portion 23, so that the rocker arm 3 can rotate around the pin, and the pin can slide in the waist-shaped hole, the flexibility is strong, and in addition, a hole-forming pin can be installed at the end of the pin, so as to prevent the pin 2 from falling off, and increase the stability of the system.
Before the lifting appliance 100 clamps the flywheel housing, in order to make the clamping hooks relatively spread for facilitating subsequent clamping, in the embodiment of the present invention, referring to fig. 4, the lifting appliance 100 further includes a hook 4, and the hook 4 is movably mounted on the upright 11 and is used for cooperating with the connecting portion 23 to limit the upward movement of the hanging ring 2. Specifically, the connecting portion 23 is provided with a pin 231, the other two side walls of the upright post 11 are provided with an elongated slot 113 extending vertically, the pin 231 protrudes outwards from the side wall of the upright post 11, is installed in the elongated slot 113 and can slide in the elongated slot 113, when the connecting portion 23 moves downwards to the bottom of the receding slot 112, the rotating hook 4 hooks the pin 231, so that the upward movement of the connecting portion 23, namely the hanging ring 2, can be limited, and the operation is simple and easy.
In order to prevent the hook 4 from falling off the pin 231, referring to fig. 6, the pin 231 is provided with a ring groove 231a, and the hook 4 is hooked into the ring groove 231 a.
It should be noted that the specific connection form of the ring portion 21, the pull rod portion 22 and the connection portion 23 is not limited in the present invention, and preferably, referring to fig. 5, the ring portion 21 and the pull rod portion 22 are connected by a threaded screw hole, a sliding block 221 is installed at the lower portion of the pull rod portion 22, the sliding block 221 is installed in the recess groove 112, the sliding block 221 is rectangular, through rectangular holes are formed at both side walls, and the connection portion 23 is installed in the recess groove 112 through the through rectangular holes. The other two side walls are provided with through pin 231 via holes, the upright post 11, the connecting part 23 and the pull rod part 22 are connected together through the pin 231, and the vertical post can move up and down in the long groove 113 of the upright post 11.
Further, referring to fig. 2 and 3, a plurality of fixing portions 12 are disposed on the mounting base 1 at intervals along the circumferential direction of the mounting base 1, the plurality of swing arms 3 are disposed corresponding to the plurality of fixing portions 12, and the middle portion of each swing arm 3 is rotatably mounted on the fixing portion 12. Specifically, the fixed part 12 has a fixed supporting function, when the hook 4 hooks the pin 231, each hook 31 is relatively unfolded, when the engine flywheel shell needs to be hoisted, the hook 4 is rotated to be separated from the pin 231, at the moment, due to the self-weight action of the rocker arm 3 and the hook 31, the rocker arm 3 rotates around the fixed part 12, each hook 31 is relatively contracted, due to the lever action, the connecting part 23 and the hanging ring 2 are pushed to move upwards, the hanging ring 2 continues to be pulled upwards, the hook 31 is further contracted, and the engine flywheel shell is firmly hooked and cannot fall off.
The number of the swing arms 3 is not limited in the present invention, and preferably, referring to fig. 3, three fixing portions 12 are provided, and three swing arms 3 are correspondingly provided. The three fixing parts 12 are arranged at equal intervals along the circumferential direction of the mounting seat 1, so that the stability of the lifting appliance 100 for lifting the flywheel housing of the engine is greatly improved.
In order to prevent the engine flywheel housing from being damaged when the lifting tool 100 is lifted, in the embodiment of the present invention, referring to fig. 4, the hook 31 has an end portion 311 for abutting against the flywheel housing, and the end portion 311 is provided with an elastic layer 311 a. The elastic layer 311a is made of a soft material, so that when the engine is lifted, even if the hook 31 contracts to tightly clamp the flywheel housing of the engine, the engine still cannot be damaged by clamping, and the yield is increased.
In order to facilitate the alignment between the spreader 100 and the engine flywheel housing, please refer to fig. 1 and 4, the lower side surface of the mounting base 1 is provided with a plurality of guiding members 13, the guiding members 13 enclose a space adapted to the outer contour of the flywheel housing, and the lower end of each guiding member 13 is provided with a chamfer surface 131. Two guides 13 in fig. 1 enclose to close and form the right angle characteristic, with the profile looks adaptation of engine flywheel shell, be convenient for with the flywheel shell centre gripping of counterpointing, in addition, the setting up of chamfer face 131 has further made things convenient for hoist 100 and engine flywheel shell to counterpoint, uses manpower and materials sparingly.
Further, referring to fig. 1, the spreader 100 further includes a handrail 5, and the handrail 5 is disposed on the mounting base 1. Before hoisting, the lifting appliance 100 can be released for subsequent operation after the lifting appliance 100 is roughly aligned with the flywheel housing by holding the handrail 5.
In addition, referring to fig. 3, the mounting seat 1 is preferably provided with lightening holes 14. The number of the lightening holes 14, which is not limited in the present invention, is preferably 3, which is used for lightening the spreader 100 itself on the one hand and is convenient for the operator to observe during the process of lifting the flywheel housing on the other hand.
In addition, referring to fig. 3, the thickness of the end of each rocker arm 3 connected to the connecting portion 23 can be reduced by half, so that the weight of the spreader 100 is reduced and unnecessary energy consumption is reduced without affecting the strength.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a hoist for hoist and mount flywheel shell of engine, its characterized in that includes:
a mounting seat;
the lifting ring is arranged above the mounting seat and can move up and down; and the number of the first and second groups,
one end of each rocker arm is provided with a clamping hook, the other end of each rocker arm is movably connected with the lifting ring, and the middle part of each rocker arm is rotatably arranged on the mounting seat;
the hooks of the rocker arms are arranged to be driven to contract relatively when the hanging ring moves upwards, and to expand relatively when the hanging ring moves downwards.
2. The lifting appliance according to claim 1, wherein the mounting base is provided with a column, the column extends upwards from the center of the mounting base, the column is provided with a slideway extending upwards and downwards, the lifting ring comprises a ring portion and a pull rod portion arranged at the lower end of the ring portion, and the pull rod portion penetrates through the top end of the column and extends into the slideway and can move along the slideway.
3. The spreader of claim 2, wherein the side of the upright is provided with a relief groove;
the lifting ring further comprises a connecting portion, the connecting portion extends from the lower end of the pull rod portion in the horizontal direction, and the connecting portion penetrates through the abdicating groove and is movably connected to the rocker arm.
4. The spreader of claim 3, further comprising a hook movably mounted to the upright for engagement with the connecting portion to limit upward movement of the lifting ring.
5. The spreader according to claim 1, wherein the mounting base is provided with a plurality of fixing portions at intervals along a circumferential direction of the mounting base, a plurality of swing arms are provided corresponding to the plurality of fixing portions, and a middle portion of each swing arm is rotatably mounted on the fixing portion.
6. The spreader of claim 5, wherein there are three of the fixing portions and three of the swing arms.
7. The spreader of claim 1, wherein the hooks have ends for abutting against the flywheel housing, the ends being provided with a resilient layer.
8. The spreader according to claim 1, wherein the lower side of the mounting base is provided with a plurality of guide members, the plurality of guide members enclose a space adapted to the outer contour of the flywheel housing, and the lower end of each guide member is provided with a chamfered surface.
9. The spreader of claim 1, further comprising handrails disposed at the mounts.
10. The spreader of any one of claims 1 to 9, wherein the mounting base is provided with lightening holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655123.4A CN111762680A (en) | 2020-07-07 | 2020-07-07 | Lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655123.4A CN111762680A (en) | 2020-07-07 | 2020-07-07 | Lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111762680A true CN111762680A (en) | 2020-10-13 |
Family
ID=72725819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010655123.4A Pending CN111762680A (en) | 2020-07-07 | 2020-07-07 | Lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111762680A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6139253A (en) * | 1998-08-12 | 2000-10-31 | Cuno, Inc. | Lifting device for transporting disk stacks |
| DE19527369C2 (en) * | 1995-07-27 | 2001-06-28 | Winden Und Maschb Gresbach Gmb | Device for grasping and handling various molded components of street water drains |
| JP2007131394A (en) * | 2005-11-09 | 2007-05-31 | Sanwa Tekki Corp | Hoisting accessory for container conveyance |
| CN206502514U (en) * | 2017-01-20 | 2017-09-19 | 潍柴重机股份有限公司 | Flywheel suspender |
| CN207618893U (en) * | 2017-12-22 | 2018-07-17 | 四川科华智汇工程技术有限公司 | Dead-weight Non-power spreader |
-
2020
- 2020-07-07 CN CN202010655123.4A patent/CN111762680A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19527369C2 (en) * | 1995-07-27 | 2001-06-28 | Winden Und Maschb Gresbach Gmb | Device for grasping and handling various molded components of street water drains |
| US6139253A (en) * | 1998-08-12 | 2000-10-31 | Cuno, Inc. | Lifting device for transporting disk stacks |
| JP2007131394A (en) * | 2005-11-09 | 2007-05-31 | Sanwa Tekki Corp | Hoisting accessory for container conveyance |
| CN206502514U (en) * | 2017-01-20 | 2017-09-19 | 潍柴重机股份有限公司 | Flywheel suspender |
| CN207618893U (en) * | 2017-12-22 | 2018-07-17 | 四川科华智汇工程技术有限公司 | Dead-weight Non-power spreader |
Non-Patent Citations (1)
| Title |
|---|
| XIAOYUAN_YG: "《沐风图纸》", 30 August 2019 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201013 |
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| RJ01 | Rejection of invention patent application after publication |