CN214527850U

CN214527850U - Low-clearance electric hoist

Info

Publication number: CN214527850U
Application number: CN202023309458.5U
Authority: CN
Inventors: 韦海明; 嵇世庆
Original assignee: Nanjing Liba Crane Machine Co ltd
Current assignee: Nanjing Liba Crane Machine Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-29
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a low headroom electric block, including electrically controlled device, operating device, elevating system, lifting hook group, weight box and mount pad, elevating system and weight box fix respectively at the both ends of mount pad, operating device includes running motor, drive wheel and follows the driving wheel, the drive wheel sets up the orbital lower edge that is "worker" style of calligraphy at the cross section with following the driving wheel symmetry, elevating system is including lifting the motor and fixing the electromagnetic braking ware who plays to rise motor one side, lifting hook group includes lifting hook, wire rope and reel, two the reel is fixed in one side of mount pad upper surface, and is corresponding with the drive wheel respectively and follow the driving wheel, the lifting hook pass through wire rope respectively with two the reel is connected. This low headroom electric block simple structure, the modern design, convenient to use has reduced electric block's headroom, has improved the lifting height that can rise of lifting hook greatly, has improved electric block's stability of operation simultaneously greatly.

Description

Low-clearance electric hoist

Technical Field

The utility model belongs to the technical field of hoisting equipment, concretely relates to low headroom electric block.

Background

Low headroom type electric block is a hoisting equipment, is applicable to multiple material transportation places such as machining, assembly, warehouse, is particularly useful for the restricted place of factory building height, and to low headroom type electric block's performance, its height that promotes the heavy object is an important index, receives under the condition of restriction in the factory building space, and the make full use of as far as lifts by crane the space, consequently reduces the headroom of electric block dolly very necessary. And when the electric hoist trolley lifts the heavy object, the electric hoist trolley can be unstable in operation due to the shaking of the heavy object in the lifting process, and potential safety hazards exist.

Disclosure of Invention

An object of the utility model is to provide a low headroom electric block to solve the current high, the unstable problem of operation of low headroom electric block headroom.

In order to achieve the above object, the utility model provides a following technical scheme: a low-clearance electric hoist comprises an electric control device, an operating mechanism, a lifting mechanism, a hook group, a weight box and a mounting seat, the lifting mechanism and the weight box are respectively fixed at two ends of the mounting seat, the running mechanism comprises a running motor, a driving wheel and a driven wheel, the running motor is fixed on the upper surface of the weight box, and the output shaft of the running motor is meshed with the driving wheel, the driving wheel and the driven wheel are symmetrically arranged on the lower edge of the track with the cross section in the shape of an I, the lifting mechanism comprises a lifting motor and an electromagnetic brake fixed on one side of the lifting motor, the lifting hook group comprises two lifting hooks, two steel wire ropes and two winding drums, the two winding drums are fixed on one side of the upper surface of the mounting seat, and the lifting hooks are respectively corresponding to the driving wheel and the driven wheel and are respectively connected with the two winding drums through steel wire ropes.

Preferably, the electric control device is fixed on one side of the mounting seat through a bolt.

Preferably, the electric control device is respectively electrically connected with the running motor and the lifting motor, the lifting motor is electrically connected with the electromagnetic brake, a waterproof button switch is arranged at the bottom of the electric control device, and the waterproof button switch is electrically connected with the electric control device through an elastic wire.

Preferably, the driving wheel and the driven wheel are respectively provided with two driving wheels and two driven wheels, and are fixed on the mounting plate in the middle of the mounting seat through bearings.

Preferably, the lifting motor is respectively connected with the two winding drums in a rotating manner through a transmission shaft.

Preferably, the central axes of the rail, the mounting seat and the lifting hook coincide.

The utility model discloses a technological effect and advantage: this low headroom electric block simple structure, the modern design, convenient to use through setting up running gear and elevating system level, has reduced electric block's headroom, through setting up the reel in one side of mount pad upper surface, has improved the lifting height that can rise of lifting hook greatly, through setting up two drive wheels, two from driving wheel, two reels, has improved electric block's stability of operation greatly.

Drawings

Fig. 1 is a front view of the present invention.

In the figure: 1. an electric control device; 101. a waterproof button switch; 2. an operating mechanism; 201. operating the motor; 202. a drive wheel; 203. a driven wheel; 3. a track; 4. a lifting mechanism; 401. a hoisting motor; 402. an electromagnetic brake; 5. a hook group; 501. a hook; 502. a wire rope; 503. a reel; 6. a weight box; 7. and (7) mounting a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a low headroom electric block as shown in the figure, including electrically controlled device 1, running gear 2, elevating system 4, lifting hook group 5, weight box 6 and mount pad 7, elevating system 4 and weight box 6 are fixed respectively at the both ends of mount pad 7, running gear 2 includes running motor 201, drive wheel 202 and follows driving wheel 203, running motor 201 is fixed at the upper surface of weight box 6, and the output shaft of running motor 201 meshes with drive wheel 202 and is connected, drive wheel 202 and follow driving wheel 203 symmetry set up the lower edge at the track 3 that the cross section is "worker" style of calligraphy, elevating system 4 includes lifting motor 401 and fixes electromagnetic brake 402 in lifting motor 401 one side, lifting hook group 5 includes lifting hook 501, wire rope 502 and reel 503, reel 503 is equipped with two altogether, two reel 503 is fixed in one side of mount pad 7 upper surface, and are respectively corresponding to the driving wheel 202 and the driven wheel 203, and the hooks 501 are respectively connected with the two winding drums 503 through steel cables 502.

In addition, electrically controlled device 1 passes through the bolt fastening in one side of mount pad 7, has the advantage that the structure is firm, easy to assemble and dismantle. Electric control unit 1 respectively with operation motor 201 and play to rise motor 401 electric connection, play to rise motor 401 and electromagnetic braking ware 402 electric connection, electric control unit 1's bottom is equipped with waterproof button switch 101, waterproof button switch 101 passes through elastic wire and electric control unit 1 electric connection, conveniently opens through opening of waterproof button switch 101 control operation motor 201 and play to rise motor 401, when playing to rise motor 401 and starting, electromagnetic braking ware 402 self-closing, when playing to rise motor 401 and closing, electromagnetic braking ware 402 is automatic to be opened, is favorable to improving the security, prevents that the heavy object from droing.

It should be mentioned that the two driving wheels 202 and the two driven wheels 203 are respectively arranged and fixed on the mounting plate in the middle of the mounting base 7 through bearings, which is beneficial to increase the contact area between the driving wheels 202 and the driven wheels 203 and the track 3 and the running stability. The lifting motor 401 is respectively rotatably connected with the two winding drums 503 through transmission shafts, the two winding drums 503 are driven to synchronously rotate through the lifting motor 401, and then the steel wire rope 502 is wound on the surfaces of the winding drums 503, so that the lifting hook 501 can be stably lifted and lowered. The central axes of the track 3, the mounting seat 7 and the lifting hook 501 are coincident, and the stress directions are consistent, so that the dynamic and static balance of the mounting seat 7 is realized.

The working principle is as follows: when the low-clearance electric hoist is used, the hoisting motor 401 is started firstly, the hoisting motor 401 drives the winding drum 503 to rotate, a heavy object on the lifting hook 501 is hoisted to a proper height by winding the steel wire rope 502 through the winding drum 503, then the hoisting motor 401 is closed, at the moment, the electromagnetic brake 402 is also powered off, the electromagnetic attraction disappears, under the pressure action of the spring, the inner disc and the outer disc are tightly pressed to play a braking role, the operation motor 201 is started again, the operation motor 201 drives the driving wheel 202 to rotate, the driving wheel 202 and the driven wheel 203 run at the lower edge of the I-shaped track 3, the heavy object is transported to a specified position, and the winding drum 503 is arranged on one side of the upper surface of the mounting seat 7, so that the hoisting height of the lifting hook 501 is increased by 200-500 mm compared with a common electric hoist.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a low headroom electric block, includes electrically controlled device (1), running gear (2), elevating system (4), lifting hook group (5), weight box (6) and mount pad (7), its characterized in that: the lifting mechanism (4) and the weight box (6) are respectively fixed at two ends of the mounting seat (7), the operating mechanism (2) comprises an operating motor (201), a driving wheel (202) and a driven wheel (203), the operating motor (201) is fixed on the upper surface of the weight box (6), an output shaft of the operating motor (201) is meshed with the driving wheel (202), the driving wheel (202) and the driven wheel (203) are symmetrically arranged on the lower edge of a track (3) with an I-shaped cross section, the lifting mechanism (4) comprises a lifting motor (401) and an electromagnetic brake (402) fixed on one side of the lifting motor (401), the lifting hook group (5) comprises a lifting hook (501), a steel wire rope (502) and two winding drums (503), and the two winding drums (503) are fixed on one side of the upper surface of the mounting seat (7), and the lifting hook (501) is respectively connected with the two winding drums (503) through a steel wire rope (502).

2. A low-headroom electric hoist as claimed in claim 1, characterized in that: the electric control device (1) is fixed on one side of the mounting base (7) through a bolt.

3. A low-headroom electric hoist as claimed in claim 1, characterized in that: electric control device (1) respectively with operation motor (201) and play to rise motor (401) electric connection, play to rise motor (401) and electromagnetic braking ware (402) electric connection, the bottom of electric control device (1) is equipped with waterproof button switch (101), waterproof button switch (101) are through elasticity electric wire and electric control device (1) electric connection.

4. A low-headroom electric hoist as claimed in claim 1, characterized in that: the driving wheel (202) and the driven wheel (203) are respectively provided with two, and are fixed on a mounting plate in the middle of the mounting seat (7) through bearings.

5. A low-headroom electric hoist as claimed in claim 1, characterized in that: the lifting motor (401) is respectively connected with the two winding drums (503) in a rotating mode through transmission shafts.

6. A low-headroom electric hoist as claimed in claim 1, characterized in that: the central axes of the track (3), the mounting seat (7) and the lifting hook (501) are coincided.