CN210393555U

CN210393555U - Electric hoist with prevent function of falling

Info

Publication number: CN210393555U
Application number: CN201921133341.0U
Authority: CN
Inventors: 杨林
Original assignee: BEIJING RUIPU TONGCHUANG TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: BEIJING RUIPU TONGCHUANG TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-24
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an electric hoist with anti-falling function, which comprises a hanging beam, a hoisting driving mechanism arranged below the hanging beam, a walking mechanism arranged between the hanging beam and the hoisting driving mechanism and used for driving the hoisting driving mechanism to move along the length direction of the hanging beam, the hoisting driving mechanism comprises a lifting motor, a reducer, a winding drum and a transmission chain, the output shaft of the lifting motor is fixedly connected with the output shaft of the reducer, the winding drum is arranged on the output shaft of the lifting motor and the output shaft of the reducer, the transmission chain is provided with a hook component, the anti-falling device is characterized in that the hanging beam is provided with anti-falling plates, the anti-falling plates are located below the hoisting driving mechanism, the anti-falling plates are provided with wire passing holes for transmission chains to pass through, two connecting plates are arranged between the anti-falling plates and the hanging beam, the lower ends of the connecting plates are fixedly connected with the anti-falling plates, and the upper ends of the connecting plates are in sliding connection with the hanging beam. It has the advantage that avoids electric block to fall and injure other people by accident.

Description

Electric hoist with prevent function of falling

Technical Field

The utility model relates to a hoisting equipment technical field, in particular to electric block with prevent function of falling.

Background

With the rapid development of the industries such as the large-scale infrastructure construction, the energy industry, the real estate industry, the petrochemical industry, the shipbuilding industry and the like in China in recent years, the development of the heavy machinery manufacturing industry such as cranes in China is greatly driven, the types of the cranes are more, such as single-beam bridge cranes, double-beam bridge cranes, portal cranes and the like, electric hoists are connected to the bottoms of the hoisting beams of the cranes in a sliding manner, steel wire ropes of the electric hoists are vertically downward and provided with hooks, cargos to be transported are hung, and the electric hoists and the cranes are controlled to move through an operation panel or a controller so as to move the cargos to destinations.

The patent document with the existing authorization publication number of CN208378265U discloses a steel wire rope electric block, which comprises a top plate, a top plate fixedly connected with support column, the support column is inboard connected with a wheel shaft through a bearing, a wheel shaft one end fixedly connected with walking wheel, a walking motor is installed outside the support column on the right side, a walking motor transmission shaft runs through the support column and is connected with the wheel shaft, two end fixedly connected with support plates are arranged at the bottom of the top plate, side plates are symmetrically connected between the support plates and are fixedly connected with two sides of the bottom of the top plate, and a winding drum. Although the steel wire rope electric block enables the steel wire rope to be wound orderly by arranging the winding drum device, the steel wire rope is not easy to deform and block.

However, the steel wire rope electric hoist is lack of the anti-falling device, and in the working process of the crane, the electric hoist can fall due to old equipment, untimely maintenance and the like, so that casualties and property loss are caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an electric block with prevent function of falling, it has the advantage of avoiding electric block to fall and accidentally injuring other people.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an electric hoist with anti-falling function comprises a hanging beam, wherein a hoisting driving mechanism is arranged below the hanging beam, a traveling mechanism for driving the hoisting driving mechanism to move along the length direction of the hanging beam is arranged between the hanging beam and the hoisting driving mechanism, the hoisting driving mechanism comprises a lifting motor, a speed reducer, a winding drum and a transmission chain, the output shaft of the lifting motor is fixedly connected with the output shaft of the speed reducer, the winding drum is arranged on the output shaft of the lifting motor and the output shaft of the speed reducer, the transmission chain is provided with a hanging hook assembly, the hanging beam is provided with an anti-falling plate, the anti-falling plate is positioned below the hoisting driving mechanism, a wire passing hole for the transmission chain to pass is formed in the anti-falling plate, a connecting plate is arranged between the anti-falling plate and the hanging beam, the number of the connecting plates is two, and the lower end of the connecting plate, the upper end of the connecting plate is connected with the hanging beam in a sliding mode.

By adopting the technical scheme, when the heavy object is lifted by using the lifting device, the lifting motor is started, the heavy object is lifted by the hook assembly, the transmission chain moves under the action of the lifting motor, and the transmission chain drives the hook assembly to lift, so that the effect of lifting the heavy object is achieved; when the utility model discloses when falling owing to the trouble reason, prevent weighing down the blanking and accept jack-up actuating mechanism through setting up, avoid jack-up actuating mechanism to fall because of the trouble reason and accidentally injure other people, and then avoid the utility model discloses accidentally injure other people falls.

The utility model discloses further set up to: the connecting plate is provided with a sliding hole matched with the cross section area of the hanging beam, and the hanging beam is connected with the sliding hole of the connecting plate in a sliding manner.

Through adopting above-mentioned technical scheme, when running gear along transverse orbit motion, the connecting plate slides with the hanging beam and is connected, and the connecting plate drives prevents weighing down the board and follows the motion of hanging beam transverse direction, makes the utility model discloses at transverse motion's in-process, prevent weighing down the board and lie in jack-up actuating mechanism's below always, be convenient for prevent weighing down the board and accept jack-up actuating mechanism, and then avoid the utility model discloses it injures other people by mistake to fall.

The utility model discloses further set up to: and the upper ends of the two connecting plates are fixedly provided with transverse plates which are positioned above the hanging beam.

Through adopting above-mentioned technical scheme, diaphragm and two connecting plate fixed connection, the lower extreme of two connecting plates with prevent weighing down the blanking fixed connection, make the utility model discloses be located the diaphragm and prevent weighing down between the blanking, be convenient for improve prevent weighing down the stability of being connected between blanking and the hanging beam, and then be convenient for prevent weighing down the blanking and accept jack-up actuating mechanism, avoid the utility model discloses fall and accidentally injure other people.

The utility model discloses further set up to: the transverse plates are connected with the hanging beams in a sliding mode.

By adopting the technical scheme, when the travelling mechanism moves along the transverse track, the transverse plate is connected with the hanging beam in a sliding manner, and the connecting plate is connected with the hanging beam in a sliding manner, so that the transverse plate and the connecting plate keep consistent in movement, and the anti-falling plate is always positioned below the hoisting driving mechanism.

The utility model discloses further set up to: and rolling parts are arranged on the lower surface of the transverse plate.

Through adopting above-mentioned technical scheme, be convenient for diaphragm and hanging beam sliding connection.

The utility model discloses further set up to: the rolling part comprises a rolling shaft, the lower surface of the transverse plate is provided with a mounting groove for mounting the rolling shaft, and the rolling shaft is rotatably connected with the transverse plate.

By adopting the technical scheme, on one hand, the friction force between rolling parts is reduced; on the other hand, the rolling piece is connected with the transverse plate in a rotating way.

The utility model discloses further set up to: the upper surface of the hanging beam is provided with a rolling guide groove.

By adopting the technical scheme, the rolling piece is limited in the rolling guide groove, so that the rolling piece can drive the transverse plate to transversely move along the hanging beam.

The utility model discloses further set up to: and the connecting plate is provided with a sliding block matched with the rolling guide groove at the sliding hole.

Through adopting above-mentioned technical scheme, the sliding block slides and connects in the roll guide way, strengthens the cooperation of sliding between connecting plate and the hanging beam.

The utility model discloses further set up to: the lifting motor and the speed reducer are respectively and fixedly connected with the two connecting plates.

By adopting the technical scheme, the lifting motor and the speed reducer are respectively and fixedly connected with the connecting plate, so that the connecting plate and the hoisting driving mechanism synchronously move, and further the anti-falling plate and the hoisting driving mechanism synchronously move.

To sum up, the utility model discloses following beneficial effect has:

first, start elevator motor, hoist the heavy object through the lifting hook subassembly, work as the utility model discloses when promoting heavy object in-process burst fault and drop, set up in the jack-up actuating mechanism below prevent weighing down the blanking board and hold the jack-up actuating mechanism who catches and drop, prevented jack-up actuating mechanism and continue to fall, and then avoid the utility model discloses it injures other people by mistake to fall.

Second, work as the utility model discloses when promoting the unexpected trouble of heavy object in-process and dropping, because elevator motor and reduction gear respectively with connecting plate fixed connection, prevent that elevator motor and reduction gear from falling, make the utility model discloses keep promoting the state of heavy object, avoid being rocked and drop because elevator motor and reduction gear fall by the hoist heavy object, and then avoid the utility model discloses accidentally injure other people, improve the utility model discloses promote the stability of heavy object in-process.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the connection among the traveling mechanism, the arc plate, the lifting driving mechanism, the transmission chain and the hook assembly in the embodiment of the present invention;

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

fig. 4 the embodiment of the present invention is a schematic view of the connection relationship between the connecting plate, the sliding plate and the transverse plate.

1. A hanging beam; 11. an upper transverse plate; 111. a rolling guide groove; 12. a vertical plate; 13. a lower transverse plate; 2. closing the plate; 3. an anti-falling plate; 31. a wire passing hole; 4. a connecting plate; 41. a sliding hole; 42. a vertical strip-shaped hole; 43. a sliding block; 5. a transverse plate; 51. a rolling member; 6. a traveling mechanism; 61. a drive pulley; 62. a driven pulley; 63. a traveling motor; 64. a drive belt; 65. a first driven wheel; 66. a second driven wheel; 7. an arc-shaped plate; 71. a first fixing plate; 711. a first mounting plate; 72. a second fixing plate; 721. a second mounting plate; 8. a hoist drive mechanism; 81. a lifting motor; 82. a speed reducer; 83. a drive chain; 9. a hook assembly; 91. a movable pulley; 92. a connecting shaft; 93. and (4) a lifting hook.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): an electric hoist with anti-falling function, as shown in fig. 1, comprises a hanging beam 1 in an I-shaped arrangement, sealing plates 2 are welded at two ends of the hanging beam 1 respectively, the hanging beam 1 comprises an upper transverse plate 11, a vertical plate 12 and a lower transverse plate 13, and a first transverse rail and a second transverse rail are formed on two sides of the vertical plate 12 of the hanging beam 1 respectively. Sealing plates 2 are respectively welded at two ends of the hanging beam 1.

As shown in fig. 1 and 2, a lifting drive mechanism 8 is provided below the suspension beam 1. The hoist drive mechanism 8 includes a lifting motor 81, a reducer 82, a drum (not shown in the figure), and a transmission chain 83.

An output shaft of the lifting motor 81 and an output shaft of the speed reducer 82 are fixedly connected through a coupler, and the winding drum is installed on the output shaft of the lifting motor 81 and the output shaft of the speed reducer 82; the arc plate 7 covered above the winding drum is welded between the lifting motor 81 and the speed reducer 82, and the inner curved surface of the arc plate 7 faces the winding drum.

Two transmission chains 83 are provided, one end of each transmission chain 83 is connected on the winding drum, and the other end is connected on the outer curved surface of the arc-shaped plate 7.

A lifting hook component 9 is arranged between the two transmission chains 83. The hook assembly 9 includes two movable pulleys 91, a connecting shaft 92 and a hook 93. The two movable pulleys 91 are respectively arranged on the two transmission chains 83, and the two movable pulleys 91 are oppositely arranged at intervals; the two movable pulleys 91 are respectively provided with a rotating hole at the axle center, two ends of the connecting shaft 92 are respectively arranged in the rotating holes of the two movable pulleys 91 in a penetrating manner, and the connecting shaft 92 is respectively connected with the two movable pulleys 91 in a rotating manner; the hook 93 is fixedly mounted on the connecting shaft 92.

A traveling mechanism 6 for driving the hoisting driving mechanism 8 to move along the length direction of the hoisting beam 1 is arranged between the hoisting beam 1 and the hoisting driving mechanism 8.

A first fixing plate 71 and a second fixing plate 72 are welded on the outer curved surface of the arc-shaped plate 7; the first fixing plate 71 and the second fixing plate 72 are respectively connected to a first mounting plate 711 and a second mounting plate 721 by bolts, and the suspension beam 1 is positioned between the first mounting plate 711 and the second mounting plate 721.

The traveling mechanism 6 includes a driving pulley 61 and a driven pulley 62 rotatably connected to the first mounting plate 711, a traveling motor 63 for driving the driving pulley 61 to rotate, a transmission belt 64 for transmitting power between the driving pulley 61 and the driven pulley 62, and a first driven pulley 65 and a second driven pulley 66 rotatably connected to the second mounting plate 721. The axial directions of the drive pulley 61, the driven pulley 62, the first driven pulley 65, and the second driven pulley 66 are the same.

The driving pulley 61 and the driven pulley 62 are mounted to the first mounting plate 711 at a side adjacent to the second mounting plate 721, and the driving pulley 61 and the driven pulley 62 roll in the first transverse track. The traveling motor 63 is mounted on the first mounting plate 711 on a side away from the second mounting plate 721, the first mounting plate 711 is provided with a through hole for the traveling motor 63 to pass through, and an output shaft of the traveling motor 63 is fixedly connected with the driving pulley 61. Two ends of the transmission belt 64 are respectively connected to the two seal plates 2, the connection rings are respectively welded on the two seal plates 2, and the end part of the transmission belt 64 penetrates through the connection rings to be bent and is connected to the transmission belt 64 through a belt connection port.

The first driven pulley 65 and the second driven pulley 66 are both mounted on the second mounting plate 721 on the side close to the first mounting plate 711, and the first driven pulley 65 and the second driven pulley 66 roll in the second lateral track.

Referring to fig. 3 and 4, the hanging beam 1 is provided with an anti-falling plate 3, the anti-falling plate 3 is located between the lifting driving mechanism 8 and the hanging hook assembly 9, and the anti-falling plate 3 is provided with a wire passing hole 31 for the transmission chain 83 to pass through.

Two connecting plates 4 are arranged between the anti-falling plate 3 and the hanging beam 1, and the lower ends of the two connecting plates 4 are welded with the anti-falling plate 3.

The two connecting plates 4 are oppositely arranged, the hoisting driving mechanism 8 is positioned between the two connecting plates 4, and the lifting motor 81 and the speed reducer 82 of the hoisting driving mechanism 8 are respectively and fixedly installed on the two connecting plates 4.

Two connecting plates 4 are respectively provided with a sliding hole 41 matched with the cross section area of the hanging beam 1, the hanging beam 1 is connected in the sliding hole 41 of the connecting plate 4 in a sliding manner, and the connecting plate 4 is connected with the hanging beam 1 in a sliding manner. The two connecting plates 4 are also provided with vertical strip-shaped holes 42 for the transmission belt 64 to pass through.

The upper ends of the two connecting plates 4 are welded with transverse plates 5, and the transverse plates 5 are positioned above the hanging beam 1. The transverse plate 5, the two connecting plates 4 and the anti-falling plate 3 are enclosed into a rectangular frame-shaped structure.

The transverse plate 5 is connected with the upper transverse plate 11 of the hanging beam 1 in a sliding way.

The lower surface of the transverse plate 5 is provided with a plurality of rolling members 51, the rolling members 51 comprise rolling shafts, and the axial direction of the rolling shafts is the same as that of the driving belt pulley 61. The lower surface of the transverse plate 5 is provided with a mounting groove, and the roller is mounted in the mounting groove. The both ends of roller bearing integrated into one piece respectively have the axis of rotation, and diaphragm 5 offers the commentaries on classics hole with axis of rotation adaptation in the cell wall department of mounting groove, and the axis of rotation rotates to be connected in the commentaries on classics hole.

The upper surface of the upper cross plate 11 of the suspension beam 1 is provided with a rolling guide groove 111 matched with the rolling member 51. The connecting plate 4 is provided with a sliding block 43 in the sliding hole 41, which is adapted to the rolling guide groove 111.

The implementation principle of the embodiment is as follows: the heavy object is hung on the hook component 9, the lifting motor 81 is started, the heavy object is hung under the action of the lifting motor 81, when the heavy object lifting process of the utility model suddenly breaks down, the lifting motor 81 and the speed reducer 82 are respectively fixedly connected with the connecting plate 4, so that the lifting motor 81 and the speed reducer 82 still keep the connection state with the connecting plate 4, and further the lifting motor 81 and the speed reducer 82 are prevented from falling, and the heavy object lifting state of the utility model can still be kept; through setting up below jack-up actuating mechanism 8 and preventing weighing down the board 3, work the utility model discloses when promoting heavy object in-process sudden failure and dropping, jack-up actuating mechanism 8 drops on preventing weighing down the board 3, prevents through setting up to prevent weighing down the board 3 and accepts the jack-up actuating mechanism 8 that drops, has prevented jack-up actuating mechanism 8 and has continued to fall, and then avoids the utility model discloses it injures other people by mistake to fall.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An electric hoist with anti-falling function comprises a lifting beam (1), wherein a lifting driving mechanism (8) is arranged below the lifting beam (1), a traveling mechanism (6) for driving the lifting driving mechanism (8) to move along the length direction of the lifting beam (1) is arranged between the lifting beam (1) and the lifting driving mechanism (8), the lifting driving mechanism (8) comprises a lifting motor (81), a speed reducer (82), a winding drum and a transmission chain (83), an output shaft of the lifting motor (81) is fixedly connected with an output shaft of the speed reducer (82), the winding drum is arranged on the output shaft of the lifting motor (81) and the output shaft of the speed reducer (82), the transmission chain (83) is provided with a lifting hook assembly (9), the lifting beam (1) is provided with an anti-falling plate (3), and the anti-falling plate (3) is arranged below the lifting driving mechanism (8), prevent weighing down and offer line hole (31) of crossing that supplies driving chain (83) to pass on board (3) that falls, prevent weighing down and be provided with connecting plate (4) between board (3) and hanging beam (1), connecting plate (4) are two, the lower extreme of connecting plate (4) with prevent weighing down board (3) fixed connection, the upper end of connecting plate (4) with hanging beam (1) sliding connection.

2. The electric hoist with the fall prevention function as claimed in claim 1, characterized in that the connecting plate (4) is provided with a sliding hole (41) adapted to the cross-sectional area of the hanging beam (1), and the hanging beam (1) is slidably connected in the sliding hole (41) of the connecting plate (4).

3. An electric block with fall-preventing function as claimed in claim 2, characterized in that the upper ends of the two connecting plates (4) are fixedly provided with a transverse plate (5), and the transverse plate (5) is positioned above the hanging beam (1).

4. An electric block with fall arrest function according to claim 3 characterized in that the cross plate (5) and the hanging beam (1) are connected in sliding.

5. An electric block with fall arrest function according to claim 4 characterized in that the cross plate (5) is provided with rolling elements (51) on its lower surface.

6. The electric hoist with the fall prevention function as claimed in claim 5, characterized in that the rolling member (51) comprises a roller, the lower surface of the transverse plate (5) is provided with a mounting groove for mounting the roller, and the roller is rotatably connected with the transverse plate (5).

7. The electric hoist with the fall prevention function as claimed in claim 6, characterized in that the upper surface of the hanging beam (1) is provided with a rolling guide groove (111).

8. An electric block with fall arrest function according to claim 7, characterized in that the connection plate (4) is provided with a sliding block (43) fitted with a rolling guide groove (111) at the sliding hole (41).

9. An electric block with fall arrest function according to claim 1, characterized in that the elevator motor (81) and reducer (82) are fixedly connected to the two connection plates (4), respectively.