CN216105757U

CN216105757U - Reel device with self-locking structure for crane

Info

Publication number: CN216105757U
Application number: CN202122606648.1U
Authority: CN
Inventors: 陆海舰; 严安娜; 洪梦羚
Original assignee: Jinhua Jiangnan Lifting Machinery Co ltd
Current assignee: Jinhua Jiangnan Lifting Machinery Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-22
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a reel device with a self-locking structure for a crane, which comprises: the mounting table is internally provided with a first adjusting rod, the upper end of the limiting seat is fixed with a mounting plate, the inner side of the mounting plate is provided with a positioning rod, and the left side of the mounting plate is in threaded connection with a second adjusting rod; the winding drum comprises a winding drum body, a positioning rod and a driving rod, wherein the winding drum body is arranged at the outer side of the right end of the positioning rod, the driving rod with the rear end connected with the output end of the motor is arranged at the inner side of the supporting seat, a transmission mechanism arranged in the supporting seat is arranged at the upper side of the driving rod, and a limiting mechanism arranged at the right end of the winding drum body is arranged at the outer side of the transmission mechanism; and the limiting ring is arranged on the inner side of the limiting mechanism and is positioned on the inner side of the winding drum body. This reel device for hoist with auto-lock structure can carry out the auto-lock to the reel to avoid appearing the reel and appear from the spin to change and influence the safety of lifting by crane, and be convenient for change the reel, in order to avoid changing the overall device, increase economic benefits.

Description

Reel device with self-locking structure for crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a winding drum device with a self-locking structure for a crane.

Background

The crane refers to a multi-action hoisting machine, also called a crown block, a gantry crane or a crane, for vertically lifting and horizontally transporting heavy objects within a certain range, and the crane usually uses a manner of winding a steel wire rope on a winding drum as a power transmission mechanism, and the winding drum usually needs to transport the heavy objects through the steel wire rope.

A steel wire rope reel for European style crane with the publication number of CN210419049U granted by Chinese patent comprises a reel body, the winding drum comprises a winding drum body and is characterized in that a steel wire rope groove is formed in the outer part of the winding drum body, grooves are symmetrically formed in the left and right of the outer wall of the winding drum body, winding drum supporting devices are symmetrically arranged in the front and back of the lower portion of each groove, each winding drum supporting device comprises a supporting column, a circular column support is fixed to the upper end of each supporting column, a circular column is arranged in each circular column support, a cross rod is fixed to each of the left end and the right end of each circular column, the other end of each cross rod is rotatably connected with each circular column support, each circular column is slidably connected to the corresponding groove, a gear disc is arranged on the inner side of the right end of the winding drum body, conical teeth are arranged in the middle of each gear disc, conical gears are meshed with the conical gears, rotating shafts are fixed to the middle of the conical gears, a plurality of supporting rods are evenly distributed on the inner walls of the winding drum body, a plurality of connecting rods are evenly distributed towards the center direction of the cross section of the winding drum, and circular pipes are fixed to the other ends of the connecting rods; the utility model has the advantages of simple structure, safety, practicability, long service life and capability of reducing the weight of the winding drum.

The above prior art solutions have the following drawbacks: the utility model provides a crane reel device with a self-locking structure, which solves the problems that the reel is difficult to self-lock, the reel is easy to spin to affect the lifting safety and the reel is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crane reel device with a self-locking structure, which aims to solve the problems that the reel is difficult to self-lock, the reel is easy to spin to influence the lifting safety and the reel is inconvenient to replace in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a reel device for a crane having a self-locking structure, comprising:

the mounting platform is internally provided with a first adjusting rod, the outer side of the first adjusting rod is provided with a limiting seat arranged on the mounting platform, the upper end of the limiting seat is fixed with a mounting plate, the inner side of the mounting plate is provided with a positioning rod, the left side of the mounting plate is in threaded connection with a second adjusting rod, and the inner end of the second adjusting rod is rotatably connected with a limiting block;

the winding drum comprises a winding drum body, a positioning rod and a transmission mechanism, wherein the winding drum body is arranged at the outer side of the right end of the positioning rod, a supporting seat fixed on an installation table is arranged at the right side of the winding drum body, a driving rod with the rear end connected with the output end of a motor is arranged at the inner side of the supporting seat, the transmission mechanism arranged in the supporting seat is arranged at the upper side of the driving rod, and a limiting mechanism arranged at the right end of the winding drum body is arranged at the outer side of the transmission mechanism;

and the limiting ring is arranged on the inner side of the limiting mechanism and is positioned on the inner side of the winding drum body.

Preferably, the transmission mechanism comprises an engaging wheel, an engaging column, a positioning wheel and a positioning block;

the connecting wheel is arranged on the upper side of the driving rod, a connecting column is fixed at the left end of the connecting wheel, a positioning wheel is fixed at the left end of the connecting column, and a positioning block is fixed at the left end of the positioning wheel.

Preferably, the outer side of the positioning block is fixed with a raised plate-shaped structure at equal angles, and the positioning block is connected with the winding drum body in a clamping manner.

Preferably, the connection wheel and the driving rod form a worm and gear structure, the outer side of a connection column fixed at the inner end of the connection wheel is arranged on the raised annular structure, and the connection column is rotatably connected with the supporting seat.

Preferably, the limiting mechanism comprises a mounting seat, a limiting rod and a fixing block;

the mounting seat is fixed at the right end of the winding drum body, the inner side of the mounting seat is elastically connected with a limiting rod, and a fixing block is fixed on the inner side of the limiting rod.

Preferably, the fixing block and the limiting ring are provided with hole-shaped structures which are connected in a clamping manner, and the limiting ring is in threaded connection with the winding drum body.

Preferably, the limiting seat is in threaded connection with the first adjusting rod, and the limiting seat is in sliding connection with the mounting table.

Compared with the prior art, the utility model has the beneficial effects that: the winding drum device with the self-locking structure for the crane can self-lock the winding drum so as to avoid the phenomenon that the hoisting safety is influenced due to the self-rotation of the winding drum, and is convenient to replace the winding drum so as to avoid the replacement of the whole device and increase the economic benefit;

1. the connecting wheel and the driving rod form a worm and gear structure, a raised plate-shaped structure is fixed on the outer side of the positioning block at equal angles, and the positioning block is connected with the winding drum body in a clamping manner, so that the connecting wheel is limited by the worm and gear structure and can be self-locked, and the winding drum body clamped with the positioning block is driven to be self-locked, so that the winding drum is prevented from rotating automatically to influence the lifting safety;

2. the limiting seat can drive the mounting plate to move through threaded connection between the limiting seat and the first adjusting rod and sliding connection between the limiting seat and the mounting plate, the positioning rod can be separated from the inner side of the winding drum body through threaded connection between the second adjusting rod and the mounting plate and laminating arrangement between the limiting block and the positioning rod, and meanwhile the limiting ring is in threaded connection with the winding drum body, so that the right side of the winding drum body is separated from the transmission mechanism, the winding drum body can be replaced, the replacement of the whole device is avoided, and the economic benefit is increased;

3. offer the poroid structure through fixed block and the spacing ring outside and be the block and be connected and the elastic connection between gag lever post and the mount pad for the spacing ring can be along with drive mechanism after the rotation appears, then spacing by the fixed block, thereby stopping rotating, threaded connection between avoiding appearing spacing ring and the reel body appears becoming flexible, thereby avoids drive mechanism and reel body to break away from, increases the security.

Drawings

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

FIG. 2 is a schematic diagram of a side view of the connection between the limiting seat and the mounting table according to the present invention;

FIG. 3 is a schematic side view of the connection between the limiting mechanism and the reel body according to the present invention;

FIG. 4 is a schematic view of the overall structure of the transmission mechanism of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. an installation table; 2. a limiting seat; 3. a first adjusting lever; 4. mounting a plate; 5. a second adjusting lever; 6. a limiting block; 7. a spool body; 8. positioning a rod; 9. a transmission mechanism; 901. an engaging wheel; 902. connecting the column; 903. positioning wheels; 904. positioning blocks; 10. a driving lever; 11. a supporting seat; 12. a limiting mechanism; 1201. a mounting seat; 1202. a limiting rod; 1203. a fixed block; 13. a limit ring.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a reel device with a self-locking structure for a crane comprises a first adjusting rod 3 arranged on the inner side of an installation platform 1, a limiting seat 2 arranged on the installation platform 1 is arranged on the outer side of the first adjusting rod 3, an installation plate 4 is fixed at the upper end of the limiting seat 2, a positioning rod 8 is arranged on the inner side of the installation plate 4, a second adjusting rod 5 is in threaded connection with the left side of the installation plate 4, a limiting block 6 is rotatably connected with the inner end of the second adjusting rod 5, a reel body 7 is arranged on the outer side of the right end of the positioning rod 8, a supporting seat 11 fixed on the installation platform 1 is arranged on the right side of the reel body 7, a driving rod 10 with the rear end connected with the output end of a motor is arranged on the inner side of the supporting seat 11, a transmission mechanism 9 arranged in the supporting seat 11 is arranged on the upper side of the driving rod 10, the transmission mechanism 9 comprises a connecting wheel 901, a connecting column 902, a positioning wheel 903 and a positioning block 904, the connecting wheel 901 is arranged on the upper side of the driving rod 10, a connecting column 902 is fixed at the left end of the connecting wheel 901, a positioning wheel 903 is fixed at the left end of the connecting column 902, a positioning block 904 is fixed at the left end of the positioning wheel 903, a limiting mechanism 12 mounted at the right end of the winding drum body 7 is arranged at the outer side of the transmission mechanism 9, the limiting mechanism 12 comprises a mounting seat 1201, a limiting rod 1202 and a fixing block 1203, the mounting seat 1201 is fixed at the right end of the winding drum body 7, the limiting rod 1202 is elastically connected to the inner side of the mounting seat 1201, the fixing block 1203 is fixed at the inner side of the limiting rod 1202, and a limiting ring 13 is arranged at the inner side of the limiting mechanism 12 and is positioned at the inner side of the winding drum body 7;

when the device is used, when the winding drum body 7 needs to be disassembled, specifically as shown in fig. 1 and fig. 2, the first adjusting rod 3 is rotated, the limiting seat 2 moves to the left side through the threaded connection between the first adjusting rod 3 and the limiting seat 2, so that the mounting plate 4 fixed at the upper end of the limiting seat 2 drives the positioning rod 8 to move to the left side, then the second adjusting rod 5 is rotated, the second adjusting rod 5 drives the limiting block 6 attached to the left end of the positioning rod 8 to move to the outside through the threaded connection between the second adjusting rod 5 and the mounting plate 4, so that the positioning rod 8 is not limited by the limiting block 6 any more, then as shown in fig. 3 and fig. 5, the limiting ring 13 is rotated first, the limiting ring 13 is disengaged from the fixing block 1203 through the threaded connection between the limiting ring 13 and the inner side of the winding drum body 7, then the limiting rod 1202 is moved to the outside, and then the limiting ring 13 is rotated reversely, the limiting ring 13 is separated from the installation of the winding drum body 7, meanwhile, the limiting ring 13 is positioned at the right side of the limiting rod 1202, the winding drum body 7 is separated from the transmission mechanism 9, and then the positioning rod 8 is separated from the winding drum body 7, so that the winding drum body 7 is replaced;

when the self-locking type winding drum is used, specifically, as shown in fig. 1, 3 and 4, a worm gear structure is formed by the connecting wheel 901 and the driving rod 10, a raised plate-shaped structure is fixed on the outer side of the positioning block 904 at equal angles, the positioning block 904 is connected with the winding drum body 7 in a clamping manner, the connecting wheel 901 is limited by the worm gear structure and can be self-locked, the winding drum body 7 clamped with the positioning block 904 is driven to be self-locked, in the using process, the limiting ring 13 which is initially installed is easy to rotate due to the rotation of the transmission mechanism 9, when the limiting ring 13 moves towards the right side, a hole-shaped structure which is formed on the outer side of the limiting ring 13 is clamped with the fixing block 1203, and therefore the limiting ring 13 is limited.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A hoist reel device with a self-locking structure is characterized by comprising:

2. The reel device with the self-locking structure for the crane according to claim 1, wherein: the transmission mechanism comprises a connecting wheel, a connecting column, a positioning wheel and a positioning block;

3. The reel device with the self-locking structure for the crane according to claim 2, wherein: the outer side of the positioning block is fixed with a raised plate-shaped structure at equal angles, and the positioning block is connected with the winding drum body in a clamping manner.

4. The reel device with the self-locking structure for the crane according to claim 2, wherein: the connecting wheel and the driving rod form a worm and gear structure, the outer side of a connecting column fixed at the inner end of the connecting wheel is arranged on the raised annular structure, and the connecting column is rotatably connected with the supporting seat.

5. The reel device with the self-locking structure for the crane according to claim 1, wherein: the limiting mechanism comprises a mounting seat, a limiting rod and a fixing block;

6. The reel device with the self-locking structure for the crane according to claim 5, wherein: the fixed block and the limiting ring are provided with hole-shaped structures which are connected in a clamping manner, and the limiting ring is in threaded connection with the winding drum body.

7. The reel device with the self-locking structure for the crane according to claim 1, wherein: the limiting seat is in threaded connection with the first adjusting rod, and the limiting seat is in sliding connection with the mounting platform.