CN214359952U

CN214359952U - Lifting mechanism with double lifting points and four lifting points capable of being mutually converted

Info

Publication number: CN214359952U
Application number: CN202120330137.9U
Authority: CN
Inventors: 王自刚; 邵东亮; 牛训华; 崔红勋; 毛庆华
Original assignee: Henan Shengyuan Hoisting Machinery Co ltd
Current assignee: Henan Shengyuan Hoisting Machinery Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-08
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to a lifting mechanism with two lifting points and four lifting points capable of being mutually switched, which comprises a lifting motor, a speed reducer, a brake, a winding drum component and a pulley component, wherein the winding drum component comprises a winding drum support, a winding drum and a steel wire rope, the lifting motor is a double-output shaft motor, the number of the speed reducer, the brake, the winding drum component and the pulley component is two groups, the middle of the winding drum is provided with a first smooth surface, the winding drums at two sides of the first smooth surface are provided with double rope grooves symmetrically arranged about the center of the winding drum, the winding drums outside the double rope grooves are provided with single rope grooves, the two single rope grooves are also symmetrically arranged about the center of the winding drum, the winding drum between the single rope grooves and the double rope grooves is provided with a second smooth surface, the pulley component comprises a first pulley block and a second pulley block, the second pulley blocks are two groups and are respectively arranged on a trolley running mechanism below the single rope grooves, the first pulley block is arranged on the trolley running mechanism below the double rope grooves, the mutual conversion between the double-hanging-point and the four-hanging-point can be realized, and the cost is saved.

Description

Lifting mechanism with double lifting points and four lifting points capable of being mutually converted

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a hoisting mechanism that two hoisting points and four hoisting points can be interconverted.

Background

At present, the hoisting mode of a hoisting mechanism is mainly divided into a double hoisting point and a four hoisting point, and the hoisting mechanism of a crane is required to be used for loading, unloading and transferring various types of articles in some urban ports, for example, when a grain bag is grabbed, the double hoisting point is required to be adopted, a grab bucket is arranged below a lifting appliance for grabbing, when round steel and section bars are sucked, the four hoisting points are required to be adopted, and the round steel and the section bars are sucked by a hanging sucker below the lifting appliance, but the existing hoisting mechanism of the crane only comprises one hoisting mode, so that two cranes with different hoisting modes are required to be respectively used for hoisting the articles with different types, and the cost is increased, therefore, the defects and shortcomings in the prior art are still existed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoisting mechanism that two hoisting points and four hoisting points can change mutually, solve present hoist hoisting mechanism because of only including a mode of lifting by crane, need use the hoist of two different modes of lifting by crane respectively the handling when the article of handling different grade type, will improve the problem of cost.

In order to solve the problem, the utility model discloses the technical scheme who takes:

the utility model provides a hoisting mechanism that two hoisting points and four hoisting points can be changeed mutually, is including lifting motor, speed reducer, stopper, reel subassembly and loose pulley assembly, the reel subassembly all includes reel support, reel and wire rope, its characterized in that: it is two-shaft motor to play to rise the motor, speed reducer, stopper, reel subassembly and loose pulley assembly's quantity is two sets of, set up to first plain noodles in the middle of the reel, set up the pair grooving about reel central symmetry sets up on the reel of first plain noodles both sides, the simply-connected grooving has all been seted up on the outer reel of simply-connected grooving, and two simply-connected grooving also set up about reel central symmetry, set up to the second plain noodles on the reel between simply-connected grooving and the pair grooving, loose pulley assembly includes first assembly pulley and second assembly pulley, second assembly pulley quantity is two sets of and sets up respectively on the dolly running gear of simply-connected grooving below, first assembly pulley sets up on the dolly running gear of simply-connected grooving below.

Furthermore, when the double-hanging-point lifting is carried out, the number of the steel wire ropes on each winding drum is one, one end of each steel wire rope is wound and fixed on the winding drum at one position of one duplex rope groove, and the other end of each steel wire rope sequentially bypasses the duplex rope groove and the first pulley block and then is wound and fixed on the winding drum at the other position of the duplex rope groove;

when the four hoisting points are lifted, the number of the steel wire ropes on each winding drum is two, one end of one steel wire rope is wound and fixed on the winding drum at one position of one single rope groove, and the other end of the steel wire rope sequentially bypasses the single rope groove and the second pulley block and then is fixed on the trolley running mechanism; the other steel wire rope is wound in a mode symmetrical to that of the steel wire rope.

Further, the first pulley block comprises a fixed pulley block and a movable pulley block, the fixed pulley block is arranged on the trolley running mechanism, the fixed pulley block is located above the movable pulley block, the fixed pulley block comprises a first fixed pulley, a transition wheel and a second fixed pulley, the first fixed pulley, the transition wheel and the second fixed pulley are arranged side by side, the movable pulley block comprises a first movable pulley, a second movable pulley, a third movable pulley and a fourth movable pulley, the first movable pulley, the second movable pulley, the third movable pulley and the fourth movable pulley are arranged side by side, and when the double-hanging-point is lifted, the steel wire rope sequentially bypasses the first movable pulley, the first fixed pulley, the second movable pulley, the transition wheel, the third movable pulley, the second fixed pulley and the fourth movable pulley.

Furthermore, the transition wheel is positioned in the middle of the first fixed pulley and the second fixed pulley, and the wheel diameters of the transition wheel are smaller than those of the first fixed pulley and the second fixed pulley.

Furthermore, the second pulley block comprises a third fixed pulley, a fifth movable pulley and a sixth movable pulley, the fifth movable pulley and the sixth movable pulley are respectively positioned below the third fixed pulley in an inclined manner, the fifth movable pulley and the sixth movable pulley are arranged side by side, the third fixed pulley is arranged on the trolley running mechanism, when the four hoisting points are hoisted, one of the steel wire ropes sequentially bypasses the fifth movable pulley, the third fixed pulley and the sixth movable pulley, and the other steel wire rope is symmetrical to the steel wire rope in a winding manner.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses it sets up to two play axle motors to play to rise the motor, and all set up reel subassembly, loose pulley assembly, the speed reducer, the stopper into two sets ofly, do not set up duplicate rope groove and simply connected rope groove through equalling divide on every reel, when two hoisting points, walk around duplicate rope groove position and first assembly pulley with wire rope, when four hoisting points, walk around simply connected rope groove position and second assembly pulley with wire rope, can realize two hoisting points and four hoisting points interconversion like this on a hoist, satisfy the operation requirement and save cost.

Drawings

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

FIG. 2 is a schematic structural view of the reel of the present invention;

FIG. 3 is a winding diagram of one of the hoisting point steel wire ropes in the case of double hoisting points of the present invention;

fig. 4 is a winding diagram of two of the hoisting point steel wire ropes in the case of four hoisting points of the present invention.

Reference numerals: 1. a spool assembly; 11. a reel; 111. a first smooth surface; 112. a duplex rope groove; 113. a single rope groove; 114. a second smooth surface; 12. a reel support; 13. a wire rope; 2. a sheave assembly; 21. a first pulley block; 211. a fixed pulley block; 2111. a first fixed pulley; 2112. a second fixed pulley, 2113 and a transition wheel; 212. a movable pulley block; 2121. a first movable pulley; 2122. a second movable pulley; 2123. a third movable pulley; 2124. a fourth movable pulley; 22. a second pulley block; 221. a third fixed pulley; 222. a fifth movable pulley; 223. a sixth movable pulley; 3. a hoisting motor; 4. a speed reducer; 5. and a brake.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

The utility model is mounted on the trolley running mechanism in the same way as the prior art when in use, as shown in figures 1 to 4, the utility model provides a lifting mechanism with double lifting points and four lifting points capable of being mutually switched, which comprises a lifting motor 3, a speed reducer 4, a brake 5, a reel component 1 and a pulley component 2, wherein the reel component 1 comprises a reel support 12, a reel 11 and a steel wire rope 13, concretely, the pulley component 2 is provided with a lifting appliance, the steel wire rope 13 is wound on the reel 11 and bypasses the sliding component 2, two ends of the reel 11 are respectively connected with the speed reducer 4 and the reel support 12 in a transmission way, the speed reducer 4 is connected with the lifting motor 3 in a transmission way, the speed reducer 3 is provided with the brake 5, further, the lifting motor 3 is a double-output shaft motor, the speed reducer 4, the brake 5, the number of the reel component 1 and the pulley component 2 are two groups, the first smooth surface 111 is arranged in the middle of the reel 11, the reel 11 on both sides of the first smooth surface 111 is provided with duplex rope grooves 112 symmetrically arranged about the center of the reel 11, the first smooth surface 111 is that no rope groove is arranged on the reel 11 here, which is used for ensuring an included angle formed between the steel wire ropes 13 when the steel wire ropes 13 pass the duplex rope grooves 112 so as to facilitate the steel wire ropes 13 to drive the lifting appliance to lift an object, the reel 11 outside the duplex rope grooves 112 is provided with simplex rope grooves 113, the two simplex rope grooves 113 are also symmetrically arranged about the center of the reel 11, the reel 11 between the simplex rope grooves 113 and the duplex rope grooves 112 is provided with a second smooth surface 114, the second smooth surface 114 is that no rope groove is arranged on the reel 11 here, which is used for ensuring an included angle formed between the steel wire ropes 13 when the steel wire ropes 13 pass the simplex rope grooves 113 so as to facilitate the steel wire ropes 13 to drive the lifting appliance to lift an object, in addition, the pulley assembly 2 comprises a first pulley block 21 and a second pulley block 22, the second pulley blocks 22 are two groups and are respectively arranged on a trolley running mechanism below the single-linkage rope groove 113, the first pulley blocks 21 are arranged on the trolley running mechanism below the double-linkage rope groove 112, namely, the steel wire 13 on each winding drum 11 bypasses the first pulley block 21 when the double-lifting point is lifted, the steel wire 13 on each winding drum 11 bypasses the second pulley blocks 22 when the four-lifting point is lifted, the lifting motor 3 is set as a double-output shaft motor, the winding drum assembly 1, the pulley assembly 2, the speed reducer 4 and the brake 5 are respectively set into two groups, the double-linkage rope groove 112 and the single-linkage rope groove 113 are respectively arranged on each winding drum 11, when the double-lifting point is lifted, the steel wire 13 bypasses the position of the double-linkage rope groove 112 and the first pulley block 21, when the four-lifting point is lifted, the steel wire 13 bypasses the position of the single-linkage rope groove 113 and the second pulley block 22, so that the mutual conversion between the double-lifting point and the four-lifting point can be realized on one crane, meets the use requirement and saves the cost.

The number of the steel wire ropes 13 and the specific winding mode during the lifting of the double lifting points and the lifting of the four lifting points are as follows: as shown in fig. 3, when the double hoisting points are hoisted, the number of the wire ropes 13 on each winding drum 11 is one, one end of each wire rope 13 is wound on the winding drum 11 fixed at one position of the double rope groove 112, and the other end of each wire rope 13 is wound on the winding drum 12 fixed at the other position of the double rope groove 112 after sequentially passing through the double rope groove 112 and the first pulley block 21, specifically, when the double hoisting points are hoisted, the total number of the wire ropes 13 is two, and the wire ropes 13 are fixed on the winding drum 11 through the rope pressing plate.

As shown in fig. 4, when the four hoisting points are lifted, the number of the steel wire ropes 13 on each winding drum 11 is two, one end of one steel wire rope 13 is wound and fixed on the winding drum 11 at one position of one single rope groove 113, and the other end of the steel wire rope 13 is fixed on the trolley running mechanism after sequentially passing through the single rope groove 113 and the second pulley block 22; the winding mode of the other steel wire rope 13 is symmetrical to that of the steel wire rope 13, specifically, when the four hoisting points are lifted, the total number of the steel wire ropes 13 is four, each steel wire rope 13 fixes one end of the steel wire rope 13 on the winding drum 11 through the rope pressing plate, and fixes the other end of the steel wire rope 13 on the trolley running mechanism through the lantern ring and the rope clamp.

Further, the specific structure of the first pulley block 21 and the specific winding manner of the steel wire rope 13 are as follows: as shown in fig. 3, the first pulley block 21 includes a fixed pulley group 211 and a movable pulley group 212, the fixed pulley group 211 is disposed on the carriage moving mechanism, the fixed pulley group 211 is located above the movable pulley group 212, the fixed pulley group 211 includes a first fixed pulley 2111, a transition pulley 2113 and a second fixed pulley 2112, the first fixed pulley 2111, the transition pulley 2113 and the second fixed pulley 2112 are disposed side by side, the transition pulley 2113 functions as a fixed pulley for a transition wire rope 13, the first fixed pulley 2111 and the second fixed pulley 2112 can rotatably transmit the wire rope 13, the movable pulley group 212 includes a first movable pulley 2121, a second movable pulley 2122, a third movable pulley 2123 and a fourth movable pulley 2124, the first movable pulley 2121, the second movable pulley 2122, the third movable pulley 2123 and the fourth movable pulley 2124 are disposed side by side, when a double-point lifting device is disposed on the first movable pulley 2121, the second movable pulley 2122, the third movable pulley 2123 and the fourth movable pulley 2124, the wire rope 13 passes around a first movable pulley 2121, a first fixed pulley 2111, a second movable pulley 2122, a transition pulley 2113, a third movable pulley 2123, a second fixed pulley 2112, and a fourth movable pulley 2124 in this order.

As shown in fig. 3, the transition wheel 2113 is located at the middle position between the first fixed pulley 2111 and the second fixed pulley 2112, and the diameters of the transition wheel 2113 are smaller than those of the first fixed pulley 2111 and the second fixed pulley 2112, so that the steel wire rope 13 can be conveniently lifted or lowered by passing around the transition wheel 2113.

Further, the specific structure of the second pulley block 22 and the specific winding manner of the steel wire rope 13 are as follows: as shown in fig. 4, each of the second pulley blocks 22 includes a third fixed pulley 221, a fifth movable pulley 222, and a sixth movable pulley 223, the fifth movable pulley 222 and the sixth movable pulley 223 are respectively located obliquely below the third fixed pulley 221, the fifth movable pulley 222 and the sixth movable pulley 223 are arranged side by side, a hanger is arranged on the fifth movable pulley 222 and the sixth movable pulley 223, the third fixed pulley 221 is arranged on the trolley running mechanism, when the four hoisting points are hoisted, one of the wire ropes 13 sequentially passes around the fifth movable pulley 222, the third fixed pulley 221, and the sixth movable pulley 223, and the other wire rope 13 is wound symmetrically with the wire rope 13.

Further, the specific using process of the utility model is explained: when the double hoisting points are used, the steel wire rope 13 is wound around the position of the double rope groove 112 and the first pulley block 21, when the double hoisting points are used, the steel wire rope 13 is wound around the position of the single rope groove 113 and the second pulley block 22, for the convenience of replacement, six steel wire ropes 13 can be prepared to be used without influencing each other, when the double hoisting points are used, for example, when a grain bag is grabbed, a grab bucket is arranged on the movable pulley block 212 for grabbing, and according to the winding mode shown in fig. 3, the liftable weight on each winding drum 11 is 20 tons, and the multiplying power is 4 times, when the four hoisting points are used, for example, when round steel and section steel are sucked, the steel wire rope 13 and the movable pulley block 212 adopted when the double hoisting points are needed to be removed so as not to influence the operation of the four hoisting points, 8 sucking discs which are respectively arranged on the fifth movable pulley 222 and the sixth movable pulley 223, and according to the winding mode shown in fig. 4, the liftable weight of each hoisting point can be 10 tons, that is also 20 tons on each winding drum 11, the multiplying power is 4 times, and if the double hoisting points are used again, the steel wire ropes and the movable pulleys adopted in the four hoisting points need to be detached, generally speaking, when the double hoisting points and the four hoisting points are exchanged, the steel wire ropes and the movable pulleys need to be detached so as not to influence the independent operation of each other, six steel wire ropes are provided, one steel wire rope in one hoisting mode can be detached while the other steel wire rope in the other hoisting mode is installed, in addition, due to the same hoisting power, the hoisting speeds of the double hoisting points and the four hoisting points are the same, and the multiplying power is also the same.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.

Claims

1. The utility model provides a hoisting mechanism that two hoisting points and four hoisting points can be changeed mutually, is including lifting motor, speed reducer, stopper, reel subassembly and loose pulley assembly, the reel subassembly all includes reel support, reel and wire rope, its characterized in that: it is two-shaft motor to play to rise the motor, speed reducer, stopper, reel subassembly and loose pulley assembly's quantity is two sets of, set up to first plain noodles in the middle of the reel, set up the pair grooving about reel central symmetry sets up on the reel of first plain noodles both sides, the simply-connected grooving has all been seted up on the outer reel of simply-connected grooving, and two simply-connected grooving also set up about reel central symmetry, set up to the second plain noodles on the reel between simply-connected grooving and the pair grooving, loose pulley assembly includes first assembly pulley and second assembly pulley, second assembly pulley quantity is two sets of and sets up respectively on the dolly running gear of simply-connected grooving below, first assembly pulley sets up on the dolly running gear of simply-connected grooving below.

2. A hoisting mechanism with a double hoisting point and a four hoisting point capable of being mutually converted according to claim 1, which is characterized in that: when the double-hanging-point lifting is carried out, the number of the steel wire ropes on each winding drum is one, one end of each steel wire rope is wound and fixed on the winding drum at one position of one duplex rope groove, and the other end of each steel wire rope sequentially bypasses the duplex rope groove and the first pulley block and then is wound and fixed on the winding drum at the other position of the duplex rope groove;

3. A hoisting mechanism with a double hoisting point and a four hoisting point capable of being mutually converted according to claim 2, characterized in that: the first pulley block comprises a fixed pulley block and a movable pulley block, the fixed pulley block is arranged on the trolley running mechanism and is positioned above the movable pulley block, the fixed pulley block comprises a first fixed pulley, a transition wheel and a second fixed pulley, the first fixed pulley, the transition wheel and the second fixed pulley are arranged side by side, the movable pulley block comprises a first movable pulley, a second movable pulley, a third movable pulley and a fourth movable pulley, the first movable pulley, the second movable pulley, the third movable pulley and the fourth movable pulley are arranged side by side, and when the double-lifting-point lifting is carried out, the steel wire rope sequentially bypasses the first movable pulley, the first fixed pulley, the second movable pulley, the transition wheel, the third movable pulley, the second fixed pulley and the fourth movable pulley.

4. A hoisting mechanism with a double hoisting point and a four hoisting point capable of being mutually converted according to claim 3, characterized in that: the transition wheel is positioned in the middle of the first fixed pulley and the second fixed pulley, and the wheel diameters of the transition wheel are smaller than those of the first fixed pulley and the second fixed pulley.

5. A hoisting mechanism with a double hoisting point and a four hoisting point capable of being mutually converted according to claim 2, characterized in that: the second pulley block comprises a third fixed pulley, a fifth movable pulley and a sixth movable pulley, the fifth movable pulley and the sixth movable pulley are respectively positioned below the third fixed pulley in an inclined mode, the fifth movable pulley and the sixth movable pulley are arranged side by side, the third fixed pulley is arranged on the trolley running mechanism, when four lifting points are lifted, one of the steel wire ropes sequentially bypasses the fifth movable pulley, the third fixed pulley and the sixth movable pulley, and the other steel wire rope is symmetrical to the steel wire rope in a winding mode.