CN217838221U

CN217838221U - Crane lifting mechanism

Info

Publication number: CN217838221U
Application number: CN202221499024.2U
Authority: CN
Inventors: 夏培志; 吴胜禹; 吴红宇
Original assignee: Nantong Hengxin Fine Machinery Co ltd
Current assignee: Nantong Hengxin Fine Machinery Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-18
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a hoist mechanism, including shell, driven pulley, walking loose pulley assembly, hoisting mechanism, lifting rope, protection rope and couple. The utility model discloses a hoisting mechanism has been set up, the drive structure passes through coupling mechanism and drives the lifting rope rotary drum and the rotation of protection rope rotary drum, batch lifting rope and protection rope respectively through lifting rope rotary drum and protection rope rotary drum, support the article through the protection rope when making the lifting rope fracture, greatly increased lifts by crane the security of article, through having set up drive structure and coupling mechanism, the motor and the reduction gear of drive structure adopt the active structure, when the lifting rope fracture, carry out taut support to the article through the protection rope, and drive riser rebound through electric putter, the pinion rack that drives driving gear and top meshes, rotation to driving gear and driven gear limits, and then the whereabouts to the article limits, avoid the lifting rope fracture to lead to the article whereabouts, the security that the loop wheel machine used has been increased.

Description

Crane lifting mechanism

Technical Field

The utility model relates to a hoist correlation field especially relates to a hoist mechanism.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called a crown block, a crane and a bridge crane, wherein the bridge crane is a hoisting device which is transversely erected above a workshop, a warehouse and a stock yard to hoist materials.

The existing crane generally adopts a lifting rope to lift objects, but the anti-collision effect is poor, and the protection lifting rope is not arranged, so that the objects fall to cause damage when the lifting rope is broken, and the potential safety hazard to the bottom personnel is greatly caused.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a hoist lifting mechanism.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a hoist mechanism, includes shell and hoisting mechanism, driven pulley is installed on the bottom right side of shell, the running pulley group is installed in the bottom left side of shell, hoisting mechanism installs the inside with the shell, hoisting mechanism includes drive structure, coupling mechanism, lifting rope rotary drum and protective rope rotary drum, the right-hand member of drive structure is connected with coupling mechanism, both sides are connected with lifting rope rotary drum and protective rope rotary drum respectively about coupling mechanism's the right-hand member, the lifting rope rotary drum and protective rope rotary drum outside have lifting rope and protective rope around rolling up respectively, the bottom of lifting rope and protective rope all is connected with the couple, drive structure installs in the shell left side wall, the inside of shell is all installed to coupling mechanism, lifting rope rotary drum and protective rope rotary drum.

Optionally, the drive structure includes motor, reduction gear, fly leaf, spout and polished rod, the reduction gear is installed to the right-hand member of motor, the right-hand member and the fly leaf fixed connection of reduction gear, the fly leaf is embedded into to the spout, the polished rod has all vertically been run through to both sides around the inside of fly leaf, both ends all with spout fixed connection about the polished rod, the left side wall at the shell is seted up to the spout, the right-hand member and the coupling mechanism fixed connection of fly leaf.

Optionally, the connecting mechanism includes a vertical plate, a limiting rod, a spring, a first rotating shaft, a driving gear, a second rotating shaft, a driven gear, a toothed plate and an electric push rod, the limiting rod vertically penetrates through the inside of the vertical plate, the bottom of the vertical plate adopts the spring and the shell to be elastically connected, the spring is sleeved at the bottom of the outer side of the limiting rod, the upper end and the lower end of the right side of the vertical plate are respectively connected with the first rotating shaft and the second rotating shaft, the driving gear and the driven gear respectively penetrate through the middle parts of the outer sides of the first rotating shaft and the second rotating shaft, the inner walls of the driving gear and the driven gear respectively fixedly connect with the first rotating shaft and the second rotating shaft, the top of the driving gear is provided with the toothed plate, the top of the toothed plate is fixedly connected with the shell, the top of the vertical plate is provided with the electric push rod, the electric push rod is fixed at the top of the shell, the right ends of the first rotating shaft and the second rotating shaft respectively penetrate through a lifting rope rotating drum and a protective rope, the right end of the first rotating shaft and the second rotating shaft respectively adopt a bearing to be rotatably connected with the shell, the left end of the first rotating shaft is connected with a speed reducer by a coupler, and the bottom end of the limiting rod is fixedly connected with the shell.

Optionally, the positions of the lifting rope drum and the protective rope drum are offset left and right.

Optionally, the movable plate is attached to the inner wall of the sliding groove, and the inner wall of the movable plate is attached to the polish rod.

Optionally, the gag lever post and polished rod parallel arrangement, the inner wall and the gag lever post laminating of riser.

Optionally, the driving gear and the driven gear are engaged with each other, and the top of the driving gear is vertically aligned with the toothed plate.

Optionally, the electric push rod is vertically arranged, and the bottom of the electric push rod is fixedly connected with the vertical plate.

The utility model has the advantages that:

the utility model discloses a having set up hoisting mechanism, the drive structure passes through coupling mechanism and drives the lifting rope rotary drum and the rotation of protection rope rotary drum, batches lifting rope and protection rope respectively through lifting rope rotary drum and protection rope rotary drum, supports the security that greatly increased lifted to the article through the protection rope when making the lifting rope fracture.

The utility model discloses a drive structure and coupling mechanism have been set up, the motor and the reduction gear of drive structure adopt the active structure, when the lifting rope fracture, take-up the support to the article through the protection rope, and drive the riser rebound through electric putter, drive the pinion rack at driving gear and top and mesh, restrict driving gear and driven gear's rotation, and then restrict the whereabouts of article, avoid the lifting rope fracture to lead to the article whereabouts, increased the security that the lifting machine used.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the lifting mechanism of the present invention;

fig. 3 is a schematic view of the driving structure of the present invention;

fig. 4 is a sectional view of the driving structure of the present invention;

fig. 5 is a sectional view of the connection mechanism of the present invention.

Wherein: the device comprises a shell-1, a driven pulley-2, a walking pulley assembly-3, a hoisting mechanism-4, a lifting rope-5, a protective rope-6, a hook-7, a driving structure-41, a connecting mechanism-42, a lifting rope drum-43, a protective rope drum-44, a motor-411, a speed reducer-412, a movable plate-413, a chute-414, a polish rod-415, a vertical plate-421, a limiting rod-422, a spring-423, a first rotating shaft-424, a driving gear-425, a second rotating shaft-426, a driven gear-427, a toothed plate-428 and an electric push rod-429.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are 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 considered as limiting the present application.

In the present application, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1, the utility model provides a crane lifting mechanism, which comprises a housing 1 and a lifting mechanism 4, wherein a driven pulley 2 is installed on the right side of the bottom end of the housing 1, a walking pulley block 3 is installed on the left side of the bottom of the housing 1, and the lifting mechanism 4 is installed inside the housing 1;

the walking pulley block 3 and the driven pulley 2 are installed on a needed cross beam frame, and the walking pulley block 3 moves along the slide rail, so that the shell 1 drives the driven pulley 2 to move in parallel along the slide rail.

Please refer to fig. 2, the utility model provides a crane hoist mechanism, hoisting mechanism 4 includes drive structure 41, coupling mechanism 42, lifting rope rotary drum 43 and protective rope rotary drum 44, drive structure 41's right-hand member is connected with coupling mechanism 42, both sides are connected with lifting rope rotary drum 43 and protective rope rotary drum 44 respectively about coupling mechanism 42's right-hand member, lifting rope 5 and protective rope 6 have been coiled respectively in the lifting rope rotary drum 43 and protective rope rotary drum 44 outside, the bottom of lifting rope 5 and protective rope 6 all is connected with couple 7, drive structure 41 is installed in shell 1 left side wall, coupling mechanism 42, the inside of shell 1 is all installed to lifting rope rotary drum 43 and protective rope rotary drum 44.

Furthermore, the positions of the lifting rope drum 43 and the protection rope drum 44 are arranged in a left-right position offset manner, so that the lifting rope 5 and the protection rope 6 are prevented from influencing each other and winding;

compared with the prior art, the driving structure 41 drives the lifting rope drum 43 and the protective rope drum 44 to rotate through the connecting mechanism 42, the lifting rope 5 and the protective rope 6 are respectively reeled through the lifting rope drum 43 and the protective rope drum 44, the object is supported through the protective rope 6 when the lifting rope 5 is broken, and the lifting safety of the object is greatly improved.

Referring to fig. 3-4, the present invention provides a lifting mechanism of a crane, wherein the driving structure 41 includes a motor 411, a speed reducer 412, a movable plate 413, a chute 414 and a polish rod 415, the speed reducer 412 is installed at the right end of the motor 411, the right end of the speed reducer 412 is fixedly connected to the movable plate 413, the movable plate 413 is embedded into the chute 414, the polish rod 415 vertically penetrates through the front and rear sides of the inside of the movable plate 413, the upper and lower ends of the polish rod 415 are fixedly connected to the chute 414, the chute 414 is disposed on the left side wall of the housing 1, and the right end of the movable plate 413 is fixedly connected to the connecting mechanism 42;

further, the movable plate 413 is attached to the inner wall of the sliding groove 414, the inner wall of the movable plate 413 is attached to the polish rod 415, and the moving track of the movable plate 413 is limited;

compared with the prior art, the connecting mechanism 42 is driven by the reducer 412 through controlling the power generated by the motor 411, the lifting rope drum 43 and the protective rope drum 44 are driven to rotate through the connecting mechanism 42, the movable plate 413 vertically slides along the polished rod 415, and when the vertical plate 421 of the connecting mechanism 42 moves upwards, the movable plate 413, the motor 411 and the reducer 412 move vertically along the vertical plate.

Please refer to fig. 5, the utility model provides a crane lifting mechanism, the connecting mechanism 42 includes a vertical plate 421, a limiting rod 422, a spring 423, a first rotating shaft 424, a driving gear 425, a second rotating shaft 426, a driven gear 427, a toothed plate 428 and an electric push rod 429, the limiting rod 422 vertically penetrates through the interior of the vertical plate 421, the bottom of the vertical plate 421 adopts the spring 423 to elastically connect with the housing 1, the spring 423 is sleeved on the outside bottom of the limiting rod 422, the upper and lower ends of the right side of the vertical plate 421 are respectively connected with the first rotating shaft 424 and the second rotating shaft 426, the driving gear 425 and the driven gear 427 respectively penetrate through the outside middle parts of the first rotating shaft 424 and the second rotating shaft 426, the inner walls of the driving gear 425 and the driven gear 427 respectively fixedly connect with the first rotating shaft 424 and the second rotating shaft 426, the top of the driving gear 425 is provided with the toothed plate 428, the top of the toothed plate 428 is fixedly connected with the housing 1, the top of the toothed plate 421 is provided with the electric push rod 429, the electric push rod 429 is fixed on the top of the housing 1, the right ends of the first rotating shaft 424 and the second rotating shaft 426 respectively penetrate through the lifting rope 43 and the protective rope 44, the right end of the first rotating shaft 426, the rotating shaft 424 and the rotating shaft 412 are respectively connected with the housing, the bottom end of the rotating shaft coupler 424, the rotating shaft 422 are connected with the housing, the rotating shaft 424, the rotating shaft coupler 412, the rotating shaft 424, the bottom end of the rotating shaft coupler 424 is connected with the housing 1;

furthermore, the limiting rod 422 is arranged in parallel with the polish rod 415, the inner wall of the vertical plate 421 is attached to the limiting rod 422, the moving track of the limiting rod 422 is limited, the driving gear 425 and the driven gear 427 are meshed with each other, the top of the driving gear 425 is vertically aligned with the toothed plate 428, the driven gear 427 is driven to rotate by the driving gear 425, when the driving gear 425 moves upwards and is meshed with the toothed plate 428, the driving gear 425 and the driven gear 427 are both limited to rotate, the electric push rod 429 is vertically arranged, the bottom of the electric push rod 429 is fixedly connected with the vertical plate 421, and the main plate 421 is driven to vertically move by the electric push rod 429;

compared with the prior art, the motor 411 generates power to drive the first rotating shaft 424 to rotate through the speed reducer 412, the first rotating shaft 424 drives the driving gear 425 and the lifting rope drum 43 to concentrically rotate, the driving gear 425 drives the driven gear 427 to synchronously rotate, the driven gear 427 drives the protective rope drum 44 to rotate through the second rotating shaft 426, the lifting rope drum 43 and the protective rope drum 44 synchronously rotate, the lifting rope 5 and the protective rope 6 are synchronously reeled and released, when the lifting rope is broken, the object is tensioned and supported through the protective rope 6, the electric push rod 429 is controlled to drive the vertical plate 421 to move upwards, the spring 423 generates elastic potential energy to upwards push the vertical plate 421, reduce electric putter 429 and drive the required dynamics of riser 421 rebound, when making driving gear 425 rebound and toothed plate 428 meshing, driving gear 425 and driven gear 427 all restrict the rotation, restrict the rotation of lifting rope rotary drum 43 and protection rope rotary drum 44, and then restrict the whereabouts of article, avoid the fracture of lifting rope 5 to lead to the article whereabouts, the security of lifting machine use has been increased, through doing safeguard measure in the article bottom, then promote riser 421 downwards through control electric putter 429, drive driving gear 425 and driven gear 427 downshift, then control article transfer, transfer and change lifting rope 5 after the article is accomplished.

The utility model provides a hoist mechanism, through having set up hoisting mechanism 4, drive structure 41 passes through coupling mechanism 42 and drives lifting rope rotary drum 43 and protection rope rotary drum 44 and rotates, batch respectively lifting rope 5 and protection rope 6 through lifting rope rotary drum 43 and protection rope rotary drum 44, support the article through protection rope 6 when making lifting rope 5 fracture, greatly increased lifts the security that the article was hung, through having set up drive structure 41 and coupling mechanism 42, motor 411 and reduction gear 412 of drive structure 41 adopt the active structure, when the lifting rope fracture, support taut to the article through protection rope 6, and drive riser 421 rebound through electric putter 429, drive pinion 425 and the pinion rack 428 at top and mesh, rotation to driving gear 425 and driven gear 427 limits, and then restrict the whereabouts of article, avoid lifting rope 5 fracture to lead to the article whereabouts, the security that the loop wheel machine used has been increased.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting mechanism of a crane comprises a shell (1), wherein a driven pulley (2) is installed on the right side of the bottom end of the shell (1), and a walking pulley block (3) is installed on the left side of the bottom of the shell (1);

the method is characterized in that: the lifting mechanism is characterized by further comprising a lifting mechanism (4), the lifting mechanism (4) is installed inside the shell (1), the lifting mechanism (4) comprises a driving structure (41), a connecting mechanism (42), a lifting rope rotary drum (43) and a protective rope rotary drum (44), the right end of the driving structure (41) is connected with the connecting mechanism (42), the upper side and the lower side of the right end of the connecting mechanism (42) are respectively connected with the lifting rope rotary drum (43) and the protective rope rotary drum (44), the outer sides of the lifting rope rotary drum (43) and the protective rope rotary drum (44) are respectively wound with a lifting rope (5) and a protective rope (6), the bottom ends of the lifting rope (5) and the protective rope (6) are connected with a hook (7), the driving structure (41) is installed on the left side wall of the shell (1), and the connecting mechanism (42), the lifting rope rotary drum (43) and the protective rope rotary drum (44) are all installed inside the shell (1).

2. A crane lifting mechanism as claimed in claim 1, wherein: drive structure (41) include motor (411), reduction gear (412), fly leaf (413), spout (414) and polished rod (415), reduction gear (412) are installed to the right-hand member of motor (411), the right-hand member and fly leaf (413) fixed connection of reduction gear (412), fly leaf (413) are embedded into spout (414), both sides are all vertical around the inside of fly leaf (413) and have been run through polished rod (415), both ends all with spout (414) fixed connection about polished rod (415), the left side wall in shell (1) is seted up in spout (414), the right-hand member and coupling mechanism (42) fixed connection of fly leaf (413).

3. A crane lifting mechanism as claimed in claim 2, wherein: the connecting mechanism (42) comprises a vertical plate (421), a limiting rod (422), a spring (423), a first rotating shaft (424), a driving gear (425), a second rotating shaft (426), a driven gear (427), a toothed plate (428) and an electric push rod (429), the limiting rod (422) vertically penetrates through the interior of the vertical plate (421), the bottom of the vertical plate (421) is elastically connected with the shell (1) through the spring (423), the spring (423) is sleeved at the bottom of the outer side of the limiting rod (422), the upper end and the lower end of the right side of the vertical plate (421) are respectively connected with the first rotating shaft (424) and the second rotating shaft (426), the outer side middle part of first pivot (424) and second pivot (426) is run through respectively and is had driving gear (425) and driven gear (427), the inner wall of driving gear (425) and driven gear (427) respectively with first pivot (424) and second pivot (426) fixed connection, the top of driving gear (425) is provided with pinion rack (428), the top and shell (1) fixed connection of pinion rack (428), the top of riser (421) is provided with electric putter (429), electric putter (429) are fixed in the top of shell (1), the right-hand member of first pivot (424) and second pivot (426) is run through respectively lifting rope rotary drum (43) and protection rope rotary drum (43), the right-hand member of protection rope rotary drum (426) The cylinder (44), the right-hand member of first pivot (424) and second pivot (426) adopts the bearing to rotate with shell (1) respectively and is connected, the left end of first pivot (424) adopts the shaft coupling to be connected with reduction gear (412), the bottom and shell (1) fixed connection of gag lever post (422).

4. A crane lifting mechanism as claimed in claim 1, wherein: the positions of the lifting rope rotary drum (43) and the protective rope rotary drum (44) are arranged in a left-right position offset mode.

5. A crane lifting mechanism as claimed in claim 2, wherein: the movable plate (413) is attached to the inner wall of the sliding groove (414), and the inner wall of the movable plate (413) is attached to the polish rod (415).

6. A crane lifting mechanism as claimed in claim 3, wherein: the gag lever post (422) and polished rod (415) parallel arrangement, the inner wall and the gag lever post (422) laminating of riser (421).

7. A crane lifting mechanism as claimed in claim 3, wherein: the pinion gear (425) and the driven gear (427) intermesh, with the top of the pinion gear (425) vertically aligned with the tooth plate (428) position.

8. A crane lifting mechanism as claimed in claim 3, wherein: electric putter (429) are vertical setting, electric putter (429) with riser (421) fixed connection.