CN211004234U

CN211004234U - Simple small-tonnage travelling crane

Info

Publication number: CN211004234U
Application number: CN201921154626.2U
Authority: CN
Inventors: 苏希俭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-07-14
Anticipated expiration: 2029-07-22

Abstract

The utility model provides a simple and easy small-tonnage driving, include: the device comprises an electric winding drum, a winding drum seat, a hydraulic disc brake, a hydraulic station, a lifting steel wire rope, a guide pulley, a fixed block, a cart running mechanism, a bridge frame, a trolley and a lifting appliance. The electric winding drum, the winding drum seat, the hydraulic disc brake and the hydraulic station form a hoisting mechanism. Hoisting mechanism and dolly separately set up: the hoisting mechanism is fixedly arranged at the end beam at one side of the bridge; the trolley is arranged on the bridge track and can move left and right. The electric reel is a deformation body of the outer rotor rare earth permanent magnet motor, the reel body is the outer rotor and can rotate after being electrified, and a motor, a coupling, a reduction box and a reel coupling are omitted. The winding drum rope grooves are symmetrically arranged and are broken lines, and two steel wire ropes are installed and wound in multiple layers. The trolley frame is I-shaped. The operation of the trolley is driven manually, so that the power supply of a mobile power supply is omitted. The girder uses the H shaped steel that the dead weight is lighter. The whole machine has simple structure, light weight, small overall dimension, low noise and high mechanical efficiency.

Description

Simple small-tonnage travelling crane

Technical Field

The utility model relates to a novel simple and easy small-tonnage driving.

Background

Currently, a small-tonnage traveling crane consists of a trolley, a bridge frame and a cart mechanism. The trolley is arranged above the bridge; the trolley consists of a lifting mechanism, a trolley frame and a trolley running mechanism. The hoisting mechanism consists of a motor, a coupling, a reduction gearbox, a winding drum coupling and a winding drum. The hoisting mechanism is arranged on the trolley frame. The trolley running mechanism consists of a motor, a reduction gearbox and wheels. The hoisting mechanism and the trolley running mechanism both need to be moved for power supply; the bridge frame consists of a main beam and an end beam. The main beam and the end beam are of box-shaped beam structures; the traveling crane has the advantages of high height, high self weight, large overall dimension and low mechanical efficiency.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a simple and easy small-tonnage driving, include:

the bridge is used for bearing the self weight and the load weight of the trolley and comprises a main beam and an end beam, and the bridge is in a welded structure, wherein the main beam is rolled H-shaped steel, and the end beam is a box-shaped beam;

the cart running mechanism is used for running of a travelling crane and is arranged on the bridge;

the winding drum seat is used for bearing the tensile force of a lifting steel wire rope and preventing the winding drum shaft from rotating, and is mechanically connected to the bridge frame and close to the end beam;

the electric winding drum is used for winding one ends of the lifting steel wire rope and fixing one end of the lifting steel wire rope, and is mechanically connected to the winding drum seat;

the hydraulic disc brake is used for braking the rotation of the electric winding drum, is mechanically connected to the bridge frame and is close to the end beam;

the hydraulic station is used for providing power to open the hydraulic disc brake, is mechanically connected to the bridge and is close to the end beam;

the steering pulley is used for steering a lifting steel wire rope, is mechanically connected to the bridge frame and is close to the end beam on the other side;

the trolley is used for bearing the weight of a load and driving the load to move left and right, mainly comprises a manual trolley running mechanism and a trolley frame, and is arranged on a main beam of the bridge;

a hoisting wire rope for bearing the load weight; the electric winding drum, the guide pulley, the trolley, the lifting appliance and the fixed block are connected;

the fixing block is used for fixing the other end of the lifting steel wire rope;

the lifting appliance is used for hooking the load and forms a pulley block with a fixed pulley on the trolley;

and the electric control system is used for controlling the electric winding drum, the hydraulic disc brake, the hydraulic station and the cart running mechanism. The system uses a cable mechanically connected to the bridge;

the utility model discloses a simple and easy small-tonnage driving has the motion of three direction: the lifting appliance moves up and down, the trolley moves left and right, and the cart moves back and forth. The electric winding drum, the winding drum seat, the hydraulic disc brake and the hydraulic station form a hoisting mechanism. The hoisting mechanism and the trolley are separately arranged: the hoisting mechanism is fixedly arranged at the end beam at one side of the bridge; the trolley is arranged on the bridge track and can move left and right. The electric winding drum can be regarded as a deformation body of an outer rotor rare earth permanent magnet motor, the winding drum body is an outer rotor and can rotate after being electrified, a motor, a coupling, a reduction box and a winding drum coupling which are required by a common hoisting mechanism are omitted, and the whole hoisting mechanism is simple in structure, improved in mechanical efficiency, reduced in noise, reduced in weight and reduced in occupied space; furthermore, the electric winding drum fully utilizes the height space of the main beam of the bridge frame in the height position, and half of the electric winding drum is arranged in the height space of the main beam, so that the overall height size of the whole trolley and the travelling crane is reduced. The trolley running mechanism of the trolley is driven manually, and the lifting mechanism and the trolley are arranged separately, so that the trolley is very simple in structure and reduced in dead weight; furthermore, as the trolley is not provided with electrical equipment, the power supply of a mobile power supply is omitted. The lifting mechanism and the trolley are separately arranged, the self weight of the trolley is reduced, external force applied to the main beam of the bridge is reduced, internal stress of the main beam is correspondingly reduced, and the simple rolled H-shaped steel with light self weight can be used instead of a complex welded box-shaped beam commonly used in the traveling crane at present.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention. In the drawings:

fig. 1 shows an embodiment of the overall structure of the simple small tonnage traveling crane 100 of the present invention.

Fig. 2 shows a top view of the simple small tonnage traveling crane 100 of the present invention.

Fig. 3 shows a side view of the simple small tonnage traveling crane 100 of the present invention.

Fig. 4 shows a cross-sectional view of the motorized reel 101.

Fig. 5 shows an embodiment of the overall structure of the cart 110.

Fig. 6 shows a top view of the trolley 110.

Fig. 7 shows a side view of the trolley 110.

Detailed Description

Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected at the discretion of the applicant, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is not required that the present invention be understood, not only by the actual terms used but also by the meaning of each term lying within.

To avoid obscuring or obscuring the focus of the present invention, some of the specific details will be omitted from the description.

Referring to fig. 1, the simple small-tonnage traveling crane 100 mainly includes: the hydraulic brake system comprises an electric winding drum 101, a winding drum seat 102, a hydraulic disc brake 103, a hydraulic station 104, a hoisting steel wire rope 105, a guide pulley 106, a fixed block 107, a cart running mechanism 108, a bridge 109, a trolley 110 and a hanger 111.

Referring to fig. 4, the electric reel 101 mainly includes: the permanent magnet winding device comprises a winding drum body 10101, a plurality of rare earth permanent magnets 10102, a winding drum shaft 10103, a fixing frame 10104, an iron core 10105, a winding 10106, a Hall element 10107, an end cover 10108, a high-strength bolt pair 10109, an O-shaped sealing ring 10110, a lip-shaped sealing ring 10111, a rolling bearing 10112 and a radial reinforcing rib 10113.

Referring to fig. 5, the cart 110 basically includes: pinion 11001, ring chain 11002, wheel 11003 with gear, chain wheel 11004, concentrated transmission shaft 11005, triangular frame 11006, fixed pulley 11007, I-shaped small frame 11008 and wheel 11009.

Referring to fig. 1, the motorized reel 101 is preferably mechanically coupled to the bridge 109 in a height space of the main beam that is half the height of the motorized reel;

referring to fig. 2, preferably, the reel seat 102 is mechanically connected to the electric reel 101 at two ends of the reel shaft 10103, and the reel seat and the electric reel are mechanically connected to the bridge 109 at a position close to the right end beam; further, the rope grooves on the electric reel 101 are symmetrically arranged, and 2 steel wire ropes are wound.

Optionally, the rope groove on the electric reel 101 is in a zigzag form, and a steel rope can be wound in multiple layers.

Referring to fig. 2, the hydraulic disc brake 103 is preferably mechanically coupled to the bridge 109 at the right-hand end beam.

Referring to fig. 2, the hydraulic station 104 is preferably mechanically connected to the bridge 109, the end beam located on the right side.

Referring to fig. 1, the guide pulley 106 is preferably mechanically connected to the bridge 109 at the left end beam.

Referring to fig. 3, preferably, the material of the main beam of the bridge 109 is rolled H-shaped steel, and the middle part above the main beam is provided with square steel as a track; further, the trolley 110 is mounted on a rail.

Referring to fig. 1, the cart running gear 108 is preferably mechanically coupled to the bridge 109, one at each of the left and right end beams.

Referring to fig. 1, preferably, the hoisting cable 105 is wound out from above the electric drum 101 and wound in above the guide pulley 106 on the left side; further, the hoisting steel wire rope 105 winds out from the lower part of the guide pulley 106 and winds in to the upper part of the fixed pulley 11007 on the left side of the trolley 110; further, the hoisting wire 105 is wound out from the fixed pulley 11007 on the left side of the trolley 110 and wound into the movable pulley on the lifting appliance 111; further, the hoisting steel wire 105 is wound out from the movable pulley on the lifting appliance 111 and wound into the fixed pulley 11007 on the right side of the trolley 110; further, a hoisting steel wire rope 105 is wound out from the upper part of the fixed pulley 11007 on the right side of the trolley 110 and is connected to the fixed block 107 for fixing; further, the electric drum 101 rotates, the hoisting wire 105 winds in and out of the electric drum 101, and drives the lifting tool 111 to move up and down, thereby driving the hoisted load to move up and down.

Referring to fig. 4, the electric winding drum 101 can be regarded as a variant of an outer rotor rare-earth permanent magnet motor, and the winding drum body 10101 and the plurality of rare-earth permanent magnets 10102 form an outer rotor of the motor; the winding drum shaft 10103, the fixing frame 10104, the iron core 10105 and the winding 10106 form a stator of the motor; the outer rotor and the stator are connected through the high-strength bolt pair 10109, the end cover 10108 and the rolling bearing 10112.

Referring to fig. 5, preferably, the middle portion of the cart frame 11009 is a box-shaped beam structure, and the lower portion thereof is connected with a triangular frame 11006.

Referring to fig. 6, preferably, the trolley 110 has a trolley frame 11009 in an i-shaped form, and the upper and lower ends of the trolley frame are in a single thick plate structure; 2 wheels 11003 with gears and 2 wheels 11009 are arranged on a cantilever on the thick plate; the triangular frame 11006 is provided with 4 fixed pulleys 11007; the endless chain 11002 is mechanically connected with a sprocket 11004; the chain wheel 11004 is mechanically connected with a centralized transmission shaft 11005; the concentrated transmission shaft 11005 penetrates thick plates at the upper end and the lower end of an I-shaped small frame 11009 and is mechanically connected with a small gear 11001; the pinion 11001 is engaged with a wheel 11003 with gears.

Referring to fig. 5, the chain 11002 is manually pulled to move up and down, and the chain wheel 11004 is driven to rotate; the chain wheel 11004 drives the centralized transmission shaft 11005 to rotate; the concentrated transmission shaft 11005 drives the pinion 11001 to rotate; the pinion 11001 drives the wheel 11003 with the gear to rotate and roll; the wheel 11003 with gears rotates and rolls to drive the trolley 110 to move left and right.

Optionally, the utility model discloses simple and easy small-tonnage driving plays to rise rated load and is below 10 t.

To sum up, the above embodiments provided by the present invention are only exemplary to illustrate the principles and functions of the present invention, but not to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and scope of the present invention shall be covered by the claims of the present invention.

Claims

1. A simple small-tonnage traveling crane has the movement in three directions: the hoist reciprocates, the dolly moves about, cart back-and-forth movement, its characterized in that includes: the device comprises an electric winding drum, a winding drum seat, a hydraulic disc brake, a hydraulic station, a lifting steel wire rope, a guide pulley, a fixed block, a cart running mechanism, a bridge frame, a trolley and a lifting appliance; the electric winding drum, the winding drum seat, the hydraulic disc brake and the hydraulic station form a hoisting mechanism; half of the size of the electric winding drum is arranged in the height space of the main beam, so that the height space of the main beam of the bridge frame is fully utilized, and the overall height size of the crane is reduced; the hoisting mechanism and the trolley are separately arranged, the hoisting mechanism is fixedly arranged at the end beam at one side of the bridge, and the trolley is arranged on the track of the bridge, so that the height and the size of the whole trolley are reduced; manually pulling the chain to move up and down to drive the chain wheel to rotate; the chain wheel drives the centralized transmission shaft to rotate; the centralized transmission shaft drives the pinion to rotate; the pinion drives the wheel with the gear to rotate and roll; the wheels with the gears rotate and roll, and then the trolley is driven to move left and right; a hoisting steel wire rope is wound out from the upper part of the electric winding drum and wound into the upper part of a guide pulley on the end beam at the other side of the bridge frame; the hoisting steel wire rope is wound out from the lower part of the guide pulley and wound into the upper part of the fixed pulley on the left side of the trolley; the hoisting steel wire rope is wound out of the fixed pulley on the left side of the trolley and wound into the movable pulley on the lifting appliance; the hoisting steel wire rope is wound out of the movable pulley on the lifting appliance and wound into the fixed pulley on the right side of the trolley; the hoisting steel wire rope is wound out from the upper part of the fixed pulley on the right side of the trolley, is connected to an end beam at the position where the hoisting mechanism is installed, and is fixed by a fixed block.

2. The simple small-tonnage traveling crane as set forth in claim 1, wherein the electric drum is a deformed body of an outer rotor rare earth permanent magnet motor, and the drum body is the outer rotor and can rotate after being electrified, thereby eliminating a motor, a coupling, a reduction gearbox and a drum coupling.

3. The simple small-tonnage traveling crane according to claim 1, wherein the electric drum rope groove is a broken line and can wind a steel wire rope in multiple layers.

4. The simple small-tonnage traveling crane according to claim 1, wherein the electric drum rope grooves are symmetrically arranged and wind 2 steel wire ropes.

5. The simple small-tonnage traveling crane according to claim 1, wherein the hoisting mechanism is arranged separately from the trolley, namely the hoisting mechanism is fixedly arranged at an end beam on one side of the bridge frame; the trolley is arranged on the bridge track and can move left and right.

6. The simple small-tonnage traveling crane according to claim 1, wherein the trolley is driven manually, thereby eliminating the power supply of a mobile power supply.

7. The simple small tonnage traveling crane according to claim 1, wherein the cart has a simple structure, and the cart frame is i-shaped.

8. The simple small-tonnage traveling crane according to claim 1, wherein the main beam of the bridge frame is made of rolled H-shaped steel with light weight.