CN216737395U

CN216737395U - Electric hoist with prevent structure of falling

Info

Publication number: CN216737395U
Application number: CN202122592973.7U
Authority: CN
Inventors: 刘俊贤
Original assignee: Hebei Yunling Biotechnology Co ltd
Current assignee: Hebei Yunling Biotechnology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-06-14
Anticipated expiration: 2031-10-27

Abstract

The utility model belongs to the technical field of electric hoists, and particularly relates to an electric hoist with an anti-falling structure, which comprises a base, wherein a first guide rail is arranged above the base, a second guide rail is arranged behind the first guide rail, a first reversing wheel seat is arranged behind the second guide rail, a first reversing wheel is arranged in the first reversing wheel seat, a rope winding wheel frame is arranged behind the first reversing wheel seat, a rope winding wheel is arranged in the rope winding wheel frame, a rope winding wheel shaft is arranged between the rope winding wheel frame and the rope winding wheel, a steel wire rope is arranged on the rope winding wheel, a motor is arranged between the rope winding wheel frames, and a first belt pulley is arranged at the output end of the motor. The utility model is convenient for improving the lifting effect of the motor and improving the stability during working; the anti-falling assembly is convenient to respond quickly and effectively prevents accidental falling; the operation and maintenance of operating personnel are convenient, and the use cost is low.

Description

Electric hoist with prevent structure of falling

Technical Field

The utility model belongs to the technical field of electric lifting, and particularly relates to an electric lifting machine with a falling prevention structure.

Background

The hoist is large mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. Broadly, elevators, overhead cranes, winches, stabilizers, cranes, hoist machines, etc. may be referred to as hoists. The hoister generally refers to large mechanical equipment with high power and high hoisting capacity. The flexible steel wire rope and the transported goods are dragged to move up and down through the power machinery to finish the transportation process.

At present, the hoisting platform of the elevator is mostly locked by the contracting brake lock of the electric hoist, so that the steel wire rope is prevented from sliding downwards, once the contracting brake is loosened, damaged or out of order, the hoisted hoisting platform falls very easily, and accidents are very easily caused by the hoisted hoisting platform falling accidentally.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric elevator with a falling prevention structure.

The technical scheme adopted by the utility model is as follows:

an electric hoist with a falling-proof structure comprises a base, wherein a first guide rail is arranged above the base, a second guide rail is arranged behind the first guide rail, a first reversing wheel seat is arranged behind the second guide rail, a first reversing wheel is arranged in the first reversing wheel seat, a rope winding wheel frame is arranged behind the first reversing wheel seat, a rope winding wheel is arranged in the rope winding wheel frame, a rope winding wheel shaft is arranged between the rope winding wheel frame and the rope winding wheel, a steel wire rope is arranged on the rope winding wheel, a motor is arranged between the rope winding wheel frames, a first belt pulley is arranged at the output end of the motor, a first gear is arranged on one side, close to the first belt pulley, of the rope winding wheel shaft, a transmission shaft frame is arranged in front of the motor, a transmission shaft is arranged between the transmission shaft frames, and second gears are arranged on two sides of the transmission shaft, be provided with the second belt pulley on the transmission shaft, first belt pulley with be provided with the belt between the second belt pulley, first guide rail with be provided with the lift plate between the second guide rail, the lift plate below is provided with the connecting seat, the connecting seat below is provided with the buffer beam, second guide rail top is provided with second switching-over wheel carrier, be provided with the second switching-over wheel in the second switching-over wheel carrier, be provided with the anti-drop pole in the second guide rail, the anti-drop pole with be provided with the spring between the second guide rail, be provided with the magnetism ring on the anti-drop pole, second guide rail rear is provided with the electro-magnet, the top on the second guide rail the electro-magnet top is provided with the connection terminal, the connection terminal below is provided with the joint.

Preferably: the base is welded with the first guide rail, and the first guide rail is welded with the second guide rail.

So set up, through the base realizes the lifting function and the anti-falling effect of this lifting machine, through first guide rail the installation is arranged to the second guide rail spare parts such as lifting plate, through the motor energy supply, through prevent weighing down the pole the spring spare part such as magnetic ring group becomes the subassembly of preventing weighing down of lifting machine, through the junction frame to the electro-magnet power supply is maintained the electro-magnet can be inhaled the magnetism of magnetic ring.

Preferably: the base is connected with the first reversing wheel seat through a bolt, the first reversing wheel seat is connected with the first reversing wheel through a bearing, the base is connected with the rope winding wheel frame through a bolt, the rope winding wheel frame is connected with the rope winding wheel through the rope winding wheel shaft, the rope winding wheel frame is connected with the rope winding wheel shaft through a bearing, the rope winding wheel is welded with the rope winding wheel shaft, the rope winding wheel is clamped with the steel wire rope, the base is connected with the motor through a bolt, the output end of the motor is welded with the first belt pulley, the rope winding wheel shaft is connected with the first gear through a key, the base is connected with the transmission shaft frame through a bolt, the transmission shaft frame is connected with the transmission shaft through a bearing, the transmission shaft is connected with the second gear through a key, and the transmission shaft is welded with the second belt pulley, the first belt pulley and the second belt pulley are in friction connection with the belt, the first reversing wheel is in friction connection with the steel wire rope, and the first gear is in meshing connection with the second gear.

So set up, through first belt pulley the belt the second belt pulley the second gear the rope sheave shaft will the rotation transmission of motor output extremely the rope sheave, and then through the rope sheave rotates the traction wire rope changes the height of lifting plate, through first reverse wheel improves the stability of wire rope motion reduces wire rope with the angle change between the connection frame, and then prevents the connection frame from unexpectedly shifting up.

Preferably: the first guide rail the second guide rail all with lifting plate sliding connection, the lifting plate with the connecting seat welding, the connecting seat with the buffer beam passes through the connecting pin and connects, the connecting seat with wire rope sliding connection passes through the bolt fastening, the second guide rail with the second reverse wheel carrier passes through threaded connection, the second reverse wheel carrier with the second reverse wheel passes through the bearing and connects, the second reverse wheel with wire rope frictional connection.

So set up, through the material that needs promote is placed to the lift plate, through the connecting seat is connected wire rope will wire rope's length variation turns into the lift plate for the altitude variation of base, through the buffer beam further promotes prevents weighing down the effect, and reduces the lift plate descends and is close to when the base is right the impact of base, through arrange in the second reverse wheel rim of a wheel the second reverse wheel prevents wire rope with the friction of second guide rail causes wire rope wearing and tearing.

Preferably: the second guide rail with prevent weighing down pole sliding connection, prevent weighing down the pole with spring sliding connection, prevent weighing down the pole with the magnetism ring passes through threaded connection, the second guide rail with the electro-magnet passes through bolted connection, the second guide rail with connection terminal sliding connection, the connection terminal with connect sliding connection, connect through the wire between the electro-magnet, the top on the second guide rail the electro-magnet with connect through the wire and connect, the connection terminal with wire rope friction connection.

So set up, through the adjustment wire rope with the coefficient of friction of connection frame works as when the lifting plate falls suddenly, wire rope instantaneous speed is accelerated, can give the connection frame thereby drive for an instantaneous acceleration of second guide rail the connection frame for the second guide rail shifts up, causes the joint follow landing on the connection frame causes the connection frame to the electro-magnet power supply is interrupted, makes the magnetism of electro-magnet disappears, and then the disconnection magnetism ring with be connected between the electro-magnet, thereby the spring top moves prevent falling pole antedisplacement block fall lifting plate the buffer beam.

The utility model has the beneficial effects that:

1. the lifting effect of the motor is improved conveniently, and the stability during working is improved;

2. the anti-falling assembly is convenient to respond quickly and effectively prevents accidental falling;

3. the operation and maintenance of operating personnel are convenient, and the use cost is low.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is an isometric view schematically illustrating an electric hoist having a fall prevention structure according to the present invention;

fig. 2 is a front view schematically illustrating the structure of an electric hoist with a fall prevention structure according to the present invention;

fig. 3 is a left side view schematically illustrating the structure of an electric hoist with a fall prevention structure according to the present invention;

fig. 4 is a schematic top view of an electric hoist with a fall prevention structure according to the present invention;

fig. 5 is an enlarged schematic structural view at the point I of the electric hoist with the anti-falling structure according to the present invention;

fig. 6 is a partial sectional structural view of an electric hoist with a fall prevention structure at a position a-a in the utility model.

The reference numerals are explained below:

101. a base; 102. a first guide rail; 103. a second guide rail; 201. a first reversing wheel seat; 202. a first reversing wheel; 203. a rope winding wheel frame; 204. a rope winding wheel; 205. a rope winding wheel shaft; 206. a wire rope; 207. a motor; 208. a first pulley; 209. a first gear; 210. a transmission shaft pedestal; 211. a drive shaft; 212. a second gear; 213. a second pulley; 214. a belt; 301. a lifting plate; 302. a connecting seat; 303. a buffer rod; 304. a second reversing wheel frame; 305. a second reversing wheel; 401. preventing falling down the rod; 402. a spring; 403. a magnetic ring; 404. an electromagnet; 405. a wire frame; 406. and (4) a joint.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings.

As shown in fig. 1-6, an electric hoist with a fall-preventing structure comprises a base 101, a first guide rail 102 is disposed above the base 101, a second guide rail 103 is disposed behind the first guide rail 102, a first reversing wheel seat 201 is disposed behind the second guide rail 103, a first reversing wheel 202 is disposed in the first reversing wheel seat 201, a rope winding wheel frame 203 is disposed behind the first reversing wheel seat 201, a rope winding wheel 204 is disposed in the rope winding wheel frame 203, a rope winding wheel shaft 205 is disposed between the rope winding wheel frame 203 and the rope winding wheel 204, a steel wire rope 206 is disposed on the rope winding wheel 204, a motor 207 is disposed between the rope winding wheel frames 203, a first belt pulley 208 is disposed at an output end of the motor 207, a first gear 209 is disposed at one side of the rope winding wheel shaft 205 close to the first belt pulley 208, a transmission shaft frame 210 is disposed in front of the motor 207, a transmission shaft 211 is disposed between the transmission shaft frames 210, second gears 212 are arranged on two sides of a transmission shaft 211, a second belt pulley 213 is arranged on the transmission shaft 211, a belt 214 is arranged between a first belt pulley 208 and the second belt pulley 213, a lifting plate 301 is arranged between a first guide rail 102 and a second guide rail 103, a connecting seat 302 is arranged below the lifting plate 301, a buffer rod 303 is arranged below the connecting seat 302, a second reversing wheel frame 304 is arranged above the second guide rail 103, a second reversing wheel 305 is arranged in the second reversing wheel frame 304, an anti-falling rod 401 is arranged in the second guide rail 103, a spring 402 is arranged between the anti-falling rod 401 and the second guide rail 103, a magnetic ring 403 is arranged on the anti-falling rod 401, an electromagnet 404 is arranged behind the second guide rail 103, a wiring frame 405 is arranged above the uppermost electromagnet 404 on the second guide rail 103, and a joint 406 is arranged below the wiring frame 405.

Preferably: the base 101 is welded with a first guide rail 102, and the first guide rail 102 is welded with a second guide rail 103; the base 101 is connected with a first reversing wheel seat 201 through a bolt, the first reversing wheel seat 201 is connected with a first reversing wheel 202 through a bearing, the base 101 is connected with a rope wheel frame 203 through a bolt, the rope wheel frame 203 is connected with a rope wheel 204 through a rope wheel shaft 205, the rope wheel frame 203 is connected with the rope wheel shaft 205 through a bearing, the rope wheel 204 is welded with the rope wheel shaft 205, the rope wheel 204 is clamped with a steel wire rope 206, the base 101 is connected with a motor 207 through a bolt, the output end of the motor 207 is welded with a first belt pulley 208, the rope wheel shaft 205 is connected with a first gear 209 through a key, the base 101 is connected with a transmission shaft frame 210 through a bolt, the transmission shaft frame 210 is connected with a transmission shaft 211 through a bearing, the transmission shaft 211 is connected with a second gear 212 through a key, the transmission shaft 211 is welded with a second belt pulley 213, and the first belt pulley 208 and the second belt pulley 213 are both in friction connection with a belt 214, the first reversing wheel 202 is in frictional connection with the steel wire rope 206, and the first gear 209 is in meshed connection with the second gear 212; the first guide rail 102 and the second guide rail 103 are both connected with a lifting plate 301 in a sliding manner, the lifting plate 301 is welded with a connecting seat 302, the connecting seat 302 is connected with a buffer rod 303 through a connecting pin, the connecting seat 302 is connected with a steel wire rope 206 in a sliding manner and fixed through a bolt, the second guide rail 103 is connected with a second reversing wheel carrier 304 through threads, the second reversing wheel carrier 304 is connected with a second reversing wheel 305 through a bearing, and the second reversing wheel 305 is in friction connection with the steel wire rope 206; the second guide rail 103 is connected with the anti-falling rod 401 in a sliding mode, the anti-falling rod 401 is connected with the spring 402 in a sliding mode, the anti-falling rod 401 is connected with the magnetic ring 403 through threads, the second guide rail 103 is connected with the electromagnet 404 through bolts, the second guide rail 103 is connected with the wiring frame 405 in a sliding mode, the wiring frame 405 is connected with the joint 406 in a sliding mode, the electromagnet 404 is connected with the electromagnet 404 through a wire, the electromagnet 404 on the top of the second guide rail 103 is connected with the joint 406 through a wire, and the wiring frame 405 is connected with the steel wire rope 206 in a friction mode.

The working principle is as follows: when the elevator is installed and electrically lifted, the lifting function and the anti-falling effect of the elevator are realized through the base 101, parts such as the lifting plate 301 are arranged and installed through the first guide rail 102 and the second guide rail 103, energy is supplied through the motor 207, an anti-falling assembly of the elevator is formed through parts such as the anti-falling rod 401, the spring 402 and the magnetic ring 403, and the wiring frame 405 supplies power to the electromagnet 404 to maintain the magnetism of the magnetic ring 403 in a sucking mode through the electromagnet 404; the rotation of the output end of the motor 207 is transmitted to the rope winding wheel 204 through the first belt pulley 208, the belt 214, the second belt pulley 213, the second gear 212 and the rope winding wheel shaft 205, so that the height of the lifting plate 301 is changed by the rotation of the rope winding wheel 204 and the traction of the steel wire rope 206, the stability of the movement of the steel wire rope 206 is improved through the first reversing wheel 202, the change of the angle between the steel wire rope 206 and the wire connection frame 405 is reduced, and the wire connection frame 405 is prevented from moving upwards accidentally; materials needing to be lifted are placed on the lifting plate 301, the connecting seat 302 is connected with the steel wire rope 206, the length change of the steel wire rope 206 is converted into the height change of the lifting plate 301 relative to the base 101, the anti-falling effect is further improved through the buffer rod 303, the impact on the base 101 when the lifting plate 301 descends to be close to the base 101 is reduced, and the second reversing wheel 305 arranged in the second reversing wheel frame 304 prevents the steel wire rope 206 from being abraded by friction with the second guide rail 103; through the coefficient of friction of adjustment wire rope 206 and wire connection frame 405, when lifting plate 301 suddenly falls, wire rope 206 instantaneous speed is accelerated, thereby can give wire connection frame 405 for an instantaneous acceleration of second guide rail 103 drive wire connection frame 405 for second guide rail 103 moves up, cause joint 406 landing from wire connection frame 405, cause wire connection frame 405 to interrupt to the electro-magnet 404 power supply, make the magnetism of electro-magnet 404 disappear, and then break off the connection between magnetic ring 403 and the electro-magnet 404, thereby lifting plate 301, the buffer beam 303 that the spring 402 top was prevented falling pole 401 and is advanced and is blocked and fall.

While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides an electric hoist with prevent structure of falling which characterized in that: the device comprises a base (101), a first guide rail (102) is arranged above the base (101), a second guide rail (103) is arranged behind the first guide rail (102), a first reversing wheel seat (201) is arranged behind the second guide rail (103), a first reversing wheel (202) is arranged in the first reversing wheel seat (201), a rope winding wheel frame (203) is arranged behind the first reversing wheel seat (201), a rope winding wheel (204) is arranged in the rope winding wheel frame (203), a rope winding wheel shaft (205) is arranged between the rope winding wheel frame (203) and the rope winding wheel (204), a steel wire rope (206) is arranged on the rope winding wheel (204), a motor (207) is arranged between the rope winding wheel frame (203), a first belt pulley (208) is arranged at the output end of the motor (207), and a first gear (209) is arranged on one side, close to the first belt pulley (208), of the rope winding wheel shaft (205), a transmission shaft bracket (210) is arranged in front of the motor (207), a transmission shaft (211) is arranged between the transmission shaft brackets (210), second gears (212) are arranged on two sides of the transmission shaft (211), a second belt pulley (213) is arranged on the transmission shaft (211), a belt (214) is arranged between the first belt pulley (208) and the second belt pulley (213), a lifting plate (301) is arranged between the first guide rail (102) and the second guide rail (103), a connecting seat (302) is arranged below the lifting plate (301), a buffer rod (303) is arranged below the connecting seat (302), a second reversing wheel frame (304) is arranged above the second guide rail (103), a second reversing wheel (305) is arranged in the second reversing wheel frame (304), and an anti-falling rod (401) is arranged in the second guide rail (103), a spring (402) is arranged between the anti-falling rod (401) and the second guide rail (103), a magnetic ring (403) is arranged on the anti-falling rod (401), an electromagnet (404) is arranged behind the second guide rail (103), a wiring frame (405) is arranged above the electromagnet (404) at the uppermost position on the second guide rail (103), and a joint (406) is arranged below the wiring frame (405).

2. The electric hoist with the fall preventing structure as claimed in claim 1, characterized in that: the base (101) is welded to the first guide rail (102), and the first guide rail (102) is welded to the second guide rail (103).

3. The electric hoist with the fall preventing structure as claimed in claim 1, characterized in that: the base (101) is connected with the first reversing wheel seat (201) through a bolt, the first reversing wheel seat (201) is connected with the first reversing wheel (202) through a bearing, the base (101) is connected with the rope winding wheel frame (203) through a bolt, the rope winding wheel frame (203) is connected with the rope winding wheel (204) through the rope winding wheel shaft (205), the rope winding wheel frame (203) is connected with the rope winding wheel shaft (205) through a bearing, the rope winding wheel (204) is welded with the rope winding wheel shaft (205), the rope winding wheel (204) is clamped with the steel wire rope (206), the base (101) is connected with the motor (207) through a bolt, the output end of the motor (207) is welded with the first belt pulley (208), the rope winding wheel shaft (205) is connected with the first gear (209) through a key, base (101) with transmission shaft pedestal (210) pass through bolted connection, transmission shaft pedestal (210) with transmission shaft (211) pass through the bearing and connect, transmission shaft (211) with second gear (212) pass through the key-type connection, transmission shaft (211) with second belt pulley (213) welding, first belt pulley (208) second belt pulley (213) all with belt (214) frictional connection, first reverse wheel (202) with wire rope (206) frictional connection, first gear (209) with second gear (212) meshing is connected.

4. The electric hoist with the fall preventing structure as claimed in claim 1, characterized in that: the first guide rail (102) and the second guide rail (103) are in sliding connection with the lifting plate (301), the lifting plate (301) is welded to the connecting seat (302), the connecting seat (302) is connected with the buffer rod (303) through a connecting pin, the connecting seat (302) is in sliding connection with the steel wire rope (206) and fixed through a bolt, the second guide rail (103) is in threaded connection with the second reversing wheel frame (304), the second reversing wheel frame (304) is connected with the second reversing wheel (305) through a bearing, and the second reversing wheel (305) is in friction connection with the steel wire rope (206).

5. The electric hoist with the fall preventing structure as claimed in claim 1, characterized in that: the second guide rail (103) is connected with the anti-falling rod (401) in a sliding mode, the anti-falling rod (401) is connected with the spring (402) in a sliding mode, the anti-falling rod (401) is connected with the magnetic ring (403) through threads, the second guide rail (103) is connected with the electromagnet (404) through bolts, the second guide rail (103) is connected with the wire connection frame (405) in a sliding mode, the wire connection frame (405) is connected with the joint (406) in a sliding mode, the electromagnet (404) is connected with the electromagnet (404) through a wire, the electromagnet (404) on the top of the second guide rail (103) is connected with the joint (406) through a wire, and the wire connection frame (405) is connected with the steel wire rope (206) in a friction mode.