CN215558492U

CN215558492U - Electric single-beam suspension crane

Info

Publication number: CN215558492U
Application number: CN202120848055.3U
Authority: CN
Inventors: 张树涛; 王钦迎
Original assignee: Shandong Yitong Heavy Industry Machinery Co ltd
Current assignee: Shandong Yitong Heavy Industry Machinery Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-01-18
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses an electric single-beam suspension crane which comprises a steel beam, wherein one end of the steel beam is fixedly connected with a first fixing plate, four corners of the first fixing plate are respectively and rotatably connected with a first pulley, a plurality of first pulleys are respectively and rotatably connected with a first cross rod at the position, far away from the center of the side wall of the steel beam, of the first cross rod, the middle position of the first cross rod is fixedly connected with a first transmission wheel in a penetrating mode, one end, far away from the first pulleys, of the first cross rod is rotatably connected with a second pulley, and the side wall, far away from the first cross rod, of the second pulleys is rotatably connected with a second fixing plate. According to the utility model, the second motor can drive the plurality of third pulleys to synchronously move under the coordination of the third fixing plate, the electric hoist, the sliding rail, the second sliding chute, the limiting block, the second motor and the like, so that the electric hoist is driven to transversely move on the steel beam to carry goods, and the electric hoist is hung and connected by the pulleys, so that the damage caused by metal fatigue of the steel beam can be reduced, and the later maintenance is simple and convenient.

Description

Electric single-beam suspension crane

Technical Field

The utility model relates to the technical field of suspension cranes, in particular to an electric single-beam suspension crane.

Background

The single-beam suspension crane is a hoisting device which is transversely arranged above a workshop, a warehouse and a stock yard to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The steel beam of the single-beam suspension crane longitudinally runs along the rails laid on the elevated frames at two sides, so that the space below the steel beam can be fully utilized for hoisting materials, and the material is not hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

At present, most of single-beam suspension cranes have the defects that when steel beams run longitudinally, the tracks bear large stress and are easy to damage. And the structure is complicated, the maintenance is troublesome and the like, and aiming at the problems, an electric single-beam suspension crane is designed.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the electric single-beam suspension crane is provided for solving the defects and problems in the prior art.

In order to solve the technical problems, the utility model adopts a technical scheme that: the electric single-beam suspension crane comprises a steel beam, wherein one end of the steel beam is fixedly connected with a first fixing plate, four corners of the first fixing plate are rotatably connected with first pulleys, a plurality of first pulleys are rotatably connected with a first cross rod at the position of the center of the side wall far away from the steel beam, the middle position of the first cross rod is fixedly connected with a first driving wheel in a penetrating way, one end of the first cross rod far away from the first pulleys is rotatably connected with a second pulley, a plurality of second pulleys are rotatably connected with a second fixing plate at the position of the side wall far away from the first cross rod, and a plurality of second pulleys are rotatably connected with four corners of the second fixing plate, the arrangement can keep all the first pulleys and the second pulleys to synchronously move, the side wall of the second fixing plate far away from the second pulleys is fixedly connected with a machine box, the top of the machine box is fixedly connected with a first motor, and the top of a driving shaft of the first motor is fixedly connected with a second driving wheel, the first belt is sleeved between the second driving wheel and the first driving wheel, the arrangement structure is simple, synchronous motion of the first pulley and the second pulley can be effectively guaranteed, maintenance is convenient, and maintenance cost is low.

Preferably, a first chute is formed in the top of the steel beam, a plurality of third pulleys are arranged in the first chute, a second cross rod is rotatably connected among the third pulleys, a third fixing plate is rotatably connected to the side wall, away from the second cross rod, of the third pulleys, an electric hoist is fixedly connected to the bottom of the third fixing plate, the stress influence of the electric hoist on the steel beam in the working process can be effectively reduced in a mode of hanging the electric hoist, the steel beam is prevented from being subjected to metal fatigue due to long-time work of the electric hoist, a plurality of third transmission wheels are rotatably connected to the outer side wall of the third fixing plate, the third transmission wheels are fixedly connected with the third pulleys through the second cross rod, a second motor is fixedly connected to the top of the electric hoist, a fourth transmission wheel is fixedly connected to the top of a driving shaft of the second motor, and a second belt is sleeved between the fourth transmission wheel and the third transmission wheel, this setting can effectively drive electric block longitudinal movement on the girder steel, and easy operation is reliable, and the maintenance is convenient.

Preferably, it is a plurality of be close to the first pulley and the second pulley of second drive wheel and keep away from and be provided with the slide rail between the first pulley and the second pulley of second drive wheel, the slide rail section is the I shape setting, just the second spout has been seted up to the slide rail lateral wall, through the centre gripping of first pulley and second pulley and slide rail, can guarantee that the girder steel can not drop the slide rail and can reduce the influence of stress to the slide rail.

Preferably, the first cross rod between the first pulley and the second pulley which are far away from the second driving wheel penetrates through the second sliding groove and is smoothly attached to the inner wall of the second sliding groove, and the first pulley and the second pulley can be conveniently moved synchronously through the arrangement.

Preferably, the first fixing plate and the second fixing plate are identical in size and specification, manufacturing cost can be reduced through the arrangement, maintenance is simple, synchronous movement of the first pulley and the second pulley is guaranteed, and derailment cannot occur.

Preferably, the case, the first motor and the electric hoist are electrically connected, and the arrangement can ensure that an operator controls the whole crane to work through the same remote control device.

Preferably, girder steel top both sides fixedly connected with stopper respectively prevents that electric block from striking the first fixed plate at girder steel both ends.

The utility model has the following beneficial effects:

1. according to the utility model, the first motor can drive the first transmission wheel under the matching of the first fixing plate, the first pulley, the first cross rod, the second pulley, the first motor, the first belt and the like, and the first transmission wheel drives the first pulley and the second pulley to synchronously move, so that the steel beam fixedly connected with the first transmission wheel is driven to longitudinally move on the slide rail, the influence of stress on metal fatigue generated by the slide rail is reduced, and the structure is simple and practical, and is convenient for later maintenance;

2. according to the utility model, the second motor can drive the plurality of third pulleys to synchronously move under the coordination of the third fixing plate, the electric hoist, the sliding rail, the second sliding chute, the limiting block, the third driving wheel, the second motor and the like, so that the electric hoist is driven to transversely move on the steel beam to carry goods.

Drawings

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

FIG. 2 is a top view at B of FIG. 1;

fig. 3 is a side sectional view taken at a-a in fig. 1.

In the figure: 1. a steel beam; 2. a first fixing plate; 3. a first pulley; 4. a first cross bar; 5. a first drive pulley; 6. a second pulley; 7. a second fixing plate; 8. a chassis; 9. a first motor; 10. a second transmission wheel; 11. a first belt; 12. a first chute; 13. a third pulley; 14. a second cross bar; 15. a third fixing plate; 16. an electric hoist; 17. a slide rail; 18. a second chute; 19. a limiting block; 101. a third transmission wheel; 102. a second motor; 103. a fourth transmission wheel; 104. a second belt.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1-3, an electric single-beam suspension crane includes a steel beam 1, as shown in fig. 1 and 2, one end of the steel beam 1 is fixedly connected with a first fixing plate 2, four corners of the first fixing plate 2 are rotatably connected with first pulleys 3, a plurality of first pulleys 3 are rotatably connected with a first cross bar 4 at positions far away from the center of the side wall of the steel beam 1, a first driving wheel 5 is fixedly connected to the middle of the first cross bar 4 in a penetrating manner, one end of the first cross bar 4 far away from the first pulleys 3 is rotatably connected with second pulleys 6, a plurality of second pulleys 6 are rotatably connected with a second fixing plate 7 at positions far away from the side wall of the first cross bar 4, and a plurality of second pulleys 6 are rotatably connected to four corners of the second fixing plate 7, the first fixing plate 2 and the second fixing plate 7 have the same size and specification, so as to facilitate synchronous movement of the plurality of first pulleys 3 and second pulleys 6, avoid because first fixed plate 2 differs with second fixed plate 7 size and lead to first pulley 3 and second pulley 6 atress to differ, the consequence that operating time overlength caused the harm.

As shown in fig. 1 and 2, the side wall of the second fixing plate 7 far from the second pulley 6 is fixedly connected with a case 8, the top of the case 8 is fixedly connected with a first motor 9, the top end of the driving shaft of the first motor 9 is fixedly connected with a second driving wheel 10, a first belt 11 is sleeved between the second driving wheel 10 and the first driving wheel 5, and the arrangement can enable one first motor 9 to drive the first pulley 3 and the second pulley 6 which are close to the second driving wheel 10 to move synchronously, reduce the manufacturing cost, and facilitate later maintenance.

As shown in fig. 3, a first sliding groove 12 is formed in the top of the steel beam 1, a plurality of third pulleys 13 are arranged in the first sliding groove 12, a second cross rod 14 is rotatably connected between the plurality of third pulleys 13, a third fixing plate 15 is rotatably connected to a side wall of the plurality of third pulleys 13 away from the second cross rod 14, an electric hoist 16 is fixedly connected to the bottom of the third fixing plate 15, the arrangement is to reduce stress on the steel beam 1 during the working process of the electric hoist 16 by hanging the electric hoist 16, so as to reduce damage of metal fatigue to the steel beam 1, two sides of the top of the steel beam 1 are respectively and fixedly connected with a limiting block 19, so as to prevent the electric hoist 16 from impacting the first fixing plates 2 at two ends of the steel beam 1, as shown in fig. 3, a plurality of third driving wheels 101 are rotatably connected to an outer side wall of the third fixing plate 15, and the plurality of third driving wheels 101 are fixedly connected with the third pulleys 13 by the second cross rod 14, the top of the electric hoist 16 is fixedly connected with a second motor 102, the top end of a driving shaft of the second motor 102 is fixedly connected with a fourth driving wheel 103, a second belt 104 is sleeved between the fourth driving wheel 103 and the third driving wheel 101, the second motor 102 can drive the third driving wheel 101 to move synchronously, the purpose of controlling the transverse movement of the electric hoist 16 on the steel beam 1 is achieved, and the case 8, the first motor 9 and the electric hoist 16 are electrically connected, so that an operator can control the whole crane through a controller.

As shown in fig. 1 and 2, a slide rail 17 is disposed between the first pulley 3 and the second pulley 6 close to the second transmission wheel 10 and the first pulley 3 and the second pulley 6 far from the second transmission wheel 10, the section of the slide rail 17 is i-shaped, and the slide rail 17 slidesRailSecond spout 18 has been seted up to the 17 lateral walls, be located the first horizontal pole 4 between first pulley 3 and the second pulley 6 of keeping away from second drive wheel 10 run through in second spout 18 and with the smooth laminating of second spout 18 inner wall, should set up and can conveniently be located the first pulley 3 and the second pulley 6 of keeping away from second drive wheel 10 and carry out synchronous motion, prevent that long-time work from taking place to damage, and this structure is more firm, makes things convenient for the maintenance in later stage to maintain.

When the utility model is used, firstly, a worker lifts a cargo to be carried through the electric hoist 16, the controller starts the second motor 102 to drive the fourth driving wheel 103 to rotate, the fourth driving wheel 103 drives the plurality of third driving wheels 101 to synchronously move through the second belt 104, the plurality of third driving wheels 101 drive the third pulleys 13 to synchronously move in the first chute 12, so that the electric hoist 16 is driven to transversely move on the steel beam 1 to carry the cargo, and due to the existence of the limiting block 19, the electric hoist 16 can be effectively prevented from impacting the first fixing plate 2, unnecessary mechanical damage is reduced, at the moment, the worker starts the first motor 9 through the controller, the first motor 9 drives the second driving wheel 10 to rotate, the second driving wheel 10 drives the first driving wheel 5 to rotate through the first belt 11, the first driving wheel 5 drives the plurality of first pulleys 3 and the second pulleys 6 which are positioned close to the second driving wheel 10 through the first cross rod 4 to rotate, the first horizontal pole 4 that is located this moment and keeps away from second drive wheel 10 is longitudinal movement in second spout 18, thereby realize 1 longitudinal movement of girder steel, further realize the purpose of 16 vertical transport goods of electric block, and through the centre gripping of first pulley 3 and second pulley 6 to slide rail 17, the influence of stress to slide rail 17 has been alleviateed, thereby alleviate slide rail 17's metal fatigue, the life of hoist has been improved greatly, this hoist simple structure, the construction cost is low, the maintenance in later stage is very simple, solve the technical problem that most electronic single beam suspension crane faces on the market at present, be worth wideling popularize.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an electronic monospar overhead crane, includes girder steel (1), its characterized in that: one end of the steel beam (1) is fixedly connected with a first fixing plate (2), four corners of the first fixing plate (2) are rotatably connected with first pulleys (3), the centers of the side walls of the first pulleys (3) far away from the steel beam (1) are rotatably connected with first cross rods (4), the middle positions of the first cross rods (4) are fixedly connected with first driving wheels (5) in a penetrating manner, one ends of the first cross rods (4) far away from the first pulleys (3) are rotatably connected with second pulleys (6), the side walls of the second pulleys (6) far away from the first cross rods (4) are rotatably connected with second fixing plates (7), the second pulleys (6) are rotatably connected with four corners of the second fixing plates (7), the side walls of the second fixing plates (7) far away from the second pulleys (6) are fixedly connected with a case (8), and the top of the case (8) is fixedly connected with a first motor (9), the driving shaft top end of first motor (9) fixedly connected with second drive wheel (10), cup joint first belt (11) between second drive wheel (10) and first drive wheel (5).

2. An electric single-beam suspended crane according to claim 1, characterized in that: a first sliding chute (12) is formed in the top of the steel beam (1), a plurality of third pulleys (13) are arranged in the first sliding chute (12), a second cross rod (14) is rotatably connected among the third pulleys (13), a third fixing plate (15) is rotatably connected to the side wall, far away from the second cross rod (14), of each third pulley (13), the bottom of the third fixing plate (15) is fixedly connected with an electric block (16), the outer side wall of the third fixing plate (15) is rotatably connected with a plurality of third driving wheels (101), the third driving wheels (101) are fixedly connected with a third pulley (13) through a second cross bar (14), the top of the electric hoist (16) is fixedly connected with a second motor (102), the top of a driving shaft of the second motor (102) is fixedly connected with a fourth driving wheel (103), and a second belt (104) is sleeved between the fourth driving wheel (103) and the third driving wheel (101).

3. An electric single-beam suspended crane according to claim 1, characterized in that: a sliding rail (17) is arranged between the first pulley (3) and the second pulley (6) which are close to the second driving wheel (10) and the first pulley (3) and the second pulley (6) which are far away from the second driving wheel (10), the section of the sliding rail (17) is arranged in an I shape, and a second sliding groove (18) is formed in the side wall of the sliding rail (17).

4. An electric single-beam suspended crane according to claim 1 or 3, characterized in that: and a first cross rod (4) positioned between the first pulley (3) and the second pulley (6) far away from the second driving wheel (10) penetrates through the second sliding groove (18) and is smoothly attached to the inner wall of the second sliding groove (18).

5. An electric single-beam suspended crane according to claim 1, characterized in that: the first fixing plate (2) and the second fixing plate (7) are identical in size and specification.

6. An electric single-beam suspended crane according to claim 1 or 2, characterized in that: the case (8) is electrically connected with the first motor (9) and the electric hoist (16).

7. An electric single-beam suspended crane according to claim 1, characterized in that: and two sides of the top of the steel beam (1) are respectively and fixedly connected with a limiting block (19).