CN215626248U - Acid-washing electric hoist - Google Patents

Abstract

An acid pickling electric hoist comprises a hoist assembly, wherein a front trolley and a rear trolley are arranged above a hoist fixing frame, the front trolley and the rear trolley respectively comprise trolley supports, a trolley frame comprises a first supporting plate and a second supporting plate, traveling wheels are assembled at the upper ends of the first supporting plate and the second supporting plate, traveling motors are arranged on the outer sides of the upper ends of the second supporting plate, power output shafts of the traveling motors are in transmission connection with the traveling wheels correspondingly arranged on the power output shafts, supporting beams are arranged between the first supporting plate and the second supporting plate, a connecting mechanism comprises pull rods, the upper ends of the pull rods are rotatably connected onto the supporting beams through bearings, the upper ends of the pull rods extend to the upper portions of the supporting beams, locking nuts are arranged at the upper ends of the pull rods, and the lower ends of the pull rods are detachably and fixedly connected with the hoist fixing frame; and a lifting hook is arranged below the hoist assembly and is connected with the hoist assembly through a steel wire rope. The utility model has simple structure and convenient use.

Description

Acid-washing electric hoist

Technical Field

The utility model belongs to the technical field of hoisting equipment, and particularly relates to an acid-washing electric hoist.

Background

Hot dip galvanizing refers to a surface treatment technology for plating a layer of zinc on the surface of metal, alloy or other materials to play a role in beauty, rust prevention and the like, the mainly adopted method is hot galvanizing, most of the current hot galvanizing production lines directly place a piece to be plated into a galvanizing bath for galvanizing, however, in such a way, part of the surface of the angle steel is in contact with the galvanizing bath, so that the zinc layer on the surface of the galvanized angle steel is uneven, people hang the angle steel up to place the angle steel into an acid pickling bath in order to improve the galvanizing quality, the rib part of the angle steel needs to be required to face downwards in the process, so that the galvanizing appearance quality is improved, the acid pickling gourd needs to be used when the angle steel is hung up, but the existing acid pickling gourd usually uses a crane trolley to walk on a walking track to carry the angle steel, when the existing acid pickling gourd walks on the track needing to turn, the rail clamping and even the derailing accident are easy to happen, so that the structure of the existing pickling gourd is unreasonable, and the rail clamping is easy to happen when the existing pickling gourd walks on a curved rail.

SUMMERY OF THE UTILITY MODEL

The utility model provides an acid pickling electric hoist, which aims to solve the technical problem of unreasonable structure of the existing crane and comprises a hoist assembly fixed on a hoist fixing frame, wherein the hoist assembly comprises a lifting winding drum, a lifting motor and a speed reducer, the lifting winding drum is detachably and fixedly connected with the hoist fixing frame, the lifting motor is assembled at one end of the lifting winding drum, the speed reducer is assembled at the other end of the lifting winding drum, the lifting motor is connected with a power supply through a cable, the lifting motor is connected with a PLC (programmable logic controller), the lifting motor is started, the lifting motor drives the lifting winding drum to rotate, and the lifting winding drum winds and releases a steel wire rope on the lifting winding drum to lift a heavy object. The upper part of the gourd fixing frame is provided with two front trolleys and two rear trolleys which are assembled on a walking track, the top end of the gourd fixing frame is provided with a connecting mechanism corresponding to the front trolleys and the rear trolleys, the connecting mechanism plays a role in fixed connection, the gourd fixing frame is respectively assembled with the front trolleys and the rear trolleys through the connecting mechanism, the front trolleys and the rear trolleys respectively comprise trolley supports which play a role in supporting, each trolley frame comprises two first supporting plates and two second supporting plates which are arranged in parallel and at intervals, the first supporting plates and the second supporting plates play a role in supporting and fixing, the first supporting plates and the second supporting plates are fixedly connected through a plurality of fixing bolts, the inner sides of the upper ends of the first supporting plates and the second supporting plates are respectively assembled with walking wheels, the walking wheels are assembled on the walking track, the outer sides of the upper ends of the second supporting plates are respectively provided with a walking motor, and the walking motors are connected with a power supply and a PLC controller through cables, the power output shaft of the walking motor is in transmission connection with the walking wheels correspondingly arranged on the walking motor, and the walking motor drives the walking wheels to move along the walking track. Be equipped with a supporting beam between first backup pad and the second backup pad, a supporting beam passes through the lower extreme of round pin hub fixation at first backup pad and second backup pad, a supporting beam plays the supporting role, coupling mechanism includes the pull rod of vertical setting, bearing rotatable coupling is passed through on a supporting beam in the upper end of pull rod, and the upper end of pull rod extends to a supporting beam's top, the upper end of pull rod is equipped with the lock mother, fixed connection can be dismantled with calabash fixed frame to the lower extreme of pull rod, when current dolly and back dolly take place the incline because of the turn, the upper end of pull rod takes place to rotate, the angle between preceding dolly and the back dolly changes this moment, and preceding dolly and back dolly are still parallel for the walking track, consequently, the emergence of gnawing the rail has been avoided, the below of calabash assembly is equipped with the lifting hook, the lifting hook is to playing the handling effect, the lifting hook passes through wire rope and is connected with the calabash assembly.

Preferably, calabash fixed frame's bottom is equipped with guider, guider plays the guide effect, make the lifting hook when reciprocating, the swing has been reduced, the stability of handling has been strengthened, guider includes the leading truck of vertical setting, the top of leading truck is fixed with calabash fixed frame, be equipped with the direction track on the leading truck, the lower extreme of leading truck is equipped with the carriage that the level set up, carriage slidable assembly is in the track on the leading truck, be equipped with the pulley on the leading truck, the pulley passes through wire rope and is connected with the calabash assembly, the bottom at the leading truck is fixed to the lifting hook, when playing to rise the reel shrink wire rope, wire rope pulls the pulley rebound, the pulley assembly is on the carriage, therefore the carriage upwards slides along the leading truck.

Preferably, a gland is arranged between the lock nut and the supporting beam, the gland is sleeved on the pull rod, and the gland plays a sealing role.

The scheme has the following advantages:

the lower ends of the front trolley and the rear trolley are rotatably connected with the hoist regulation frame through the pull rod, when the front trolley and the rear trolley travel on a traveling track needing to turn, the angle between the front trolley and the rear trolley can be changed, but the front trolley and the rear trolley are always parallel to the traveling track, and the rail gnawing caused by deviation among the traveling wheels is avoided; due to the arrangement of the guide device, when the lifting hook lifts and takes a heavy object in the vertical direction, the lifting hook vertically moves up and down along the guide frame all the time, the sliding of the lifting hook is reduced, and the lifting hook is more stable.

Drawings

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

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic top view of the front and rear carriages;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is an enlarged view of a portion B of fig. 2.

Reference numerals: 1. a hoist assembly; 2. a front trolley; 3. a rear trolley; 4. a connecting mechanism; 5. a traveling rail; 6. a guide device; 7. a hook; 8. a wire rope; 11. a gourd fixing frame; 12. lifting the winding drum; 13. a hoisting motor; 14. a speed reducer; 21. a trolley support; 22. a first support plate; 23. a second support plate; 24. a traveling wheel; 25. a traveling motor; 26. a support beam; 27. a pin shaft; 41. a pull rod; 42. a bearing; 43. locking a nut; 44. a gland; 61. a guide frame; 62. a carriage; 63. a pulley.

Detailed Description

As shown in fig. 1-5, an acid pickling electric hoist comprises a hoist assembly 1 fixed on a hoist fixing frame 11, wherein the hoist assembly 1 comprises a lifting reel 12, a lifting motor 13 and a speed reducer 14, the lifting reel 12 is detachably and fixedly connected with the hoist fixing frame 11, the lifting motor 13 is assembled at one end of the lifting reel 12, the speed reducer motor 14 is assembled at the other end of the lifting reel 12, the lifting motor 13 is powered on through a cable, the lifting motor 13 is connected with a PLC controller, the lifting motor 13 is started, the lifting motor 13 drives the lifting reel 12 to rotate, the lifting reel 12 winds and unwinds a steel wire rope 8 on the lifting reel 12, and a heavy object is lifted. The upper part of a hoist fixing frame 11 is provided with a front trolley 2 and a rear trolley 3 which are assembled on a walking track 5, the top end of the hoist fixing frame 11 is provided with a connecting mechanism 4 corresponding to the front trolley 2 and the rear trolley 3, the connecting mechanism 4 plays a role of fixed connection, the hoist fixing frame 11 is respectively assembled with the front trolley 2 and the rear trolley 3 through the connecting mechanism 4, the front trolley 2 and the rear trolley 3 both comprise a trolley support 21, the trolley support 21 plays a role of supporting, the trolley frame 21 comprises a first support plate 22 and a second support plate 23 which are arranged in parallel and at intervals, the first support plate 22 and the second support plate 23 play a role of supporting and fixing, the first support plate 22 and the second support plate 23 are fixedly connected through a plurality of fixing bolts, the inner sides of the upper ends of the first support plate 22 and the second support plate 23 are both provided with walking wheels 24, and the walking wheels 24 are assembled on the walking track 5, the outer sides of the upper ends of the second supporting plates 23 are respectively provided with a walking motor 25, the walking motors 25 are connected with a power supply and a PLC (programmable logic controller) through cables, a power output shaft of each walking motor 25 is in transmission connection with a walking wheel 24 correspondingly arranged on the walking motor, and the walking motors 25 drive the walking wheels 24 to move along the walking tracks 5. A supporting beam 26 is arranged between the first supporting plate 22 and the second supporting plate 23, the supporting beam 26 is fixed at the lower ends of the first supporting plate 22 and the second supporting plate 23 through a pin shaft 27, the supporting beam 26 plays a supporting role, the connecting mechanism 4 comprises a vertically arranged pull rod 41, the upper end of the pull rod 41 is rotatably connected to the supporting beam 26 through a bearing 42, the upper end of the pull rod 41 extends to the upper part of the supporting beam 26, a locking nut 43 is arranged at the upper end of the pull rod 41, the lower end of the pull rod 41 is detachably and fixedly connected with the hoist fixing frame 11, when the front trolley 2 and the rear trolley 3 deflect due to turning, the upper end of the pull rod 41 rotates, at the moment, the angle between the front trolley 2 and the rear trolley 3 changes, the front trolley 2 and the rear trolley 3 are still parallel relative to the walking track 5, so that the occurrence of rail gnawing is avoided, a lifting hook 7 is arranged below the hoist assembly 1, and the lifting hook 7 plays a lifting role, the lifting hook 7 is connected with the hoist assembly 1 through a steel wire rope 8.

Preferably, the bottom of calabash fixed frame 11 is equipped with guider 6, guider 6 plays the guide effect, make lifting hook 7 when reciprocating, the swing has been reduced, the stability of handling has been strengthened, guider 6 includes the leading truck 61 of vertical setting, the top of leading truck 61 is fixed with calabash fixed frame 11, be equipped with the guide rail on the leading truck 61, the lower extreme of leading truck 61 is equipped with the carriage 62 of level setting, carriage 62 slidable assembly is in the track on leading truck 61, be equipped with pulley 63 on the leading truck 61, pulley 63 passes through wire rope 8 and is connected with calabash assembly 1, lifting hook 7 is fixed in the bottom of leading truck 61, when rising reel 12 shrink wire rope 8, wire rope 8 pulls pulley 63 rebound, because pulley 63 assembles on the carriage, consequently carriage 62 upwards slides along leading truck 61.

Preferably, a gland 44 is arranged between the lock nut 43 and the support beam 26, the gland 44 is sleeved on the pull rod 41, and the gland 44 plays a sealing role.

The use process comprises the following steps:

when the utility model is used, the walking motor 25 is started, the walking motor 25 drives the walking wheels to move along the walking track 5, the front trolley 2 and the rear trolley 3 walk to the turning of the walking track 5, the upper end of the pull rod 41 rotates, and the walking wheels 24 of the front trolley 2 and the walking wheels 24 of the rear trolley 3 always move along the walking track 5; when the lifting hook 7 moves to the position right above a workpiece to be galvanized, the lifting motor 13 is started, the lifting motor 13 drives the lifting reel 12 to turn over, the steel wire rope 8 on the lifting reel 12 is lowered, the sliding frame 62 vertically moves downwards along the guide frame 61, when the lifting hook 7 is hung on the workpiece to be galvanized, the lifting motor 13 drives the lifting reel 12 to rotate forwards, the lifting reel 12 winds the steel wire rope 8, the steel wire rope 8 pulls the lifting hook sliding frame 62 to vertically move upwards along the guide frame 61 in the vertical direction, then the walking motor 25 is started, the lifting hook 7 is moved under the driving of the walking motor 25, and the workpiece with the galvanized function is moved to a pickling bath for galvanizing treatment.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (4)

1. An acid pickling electric hoist comprises a hoist assembly fixed on a hoist fixing frame, wherein two front trolleys and two rear trolleys which are assembled on a walking track are arranged above the hoist fixing frame, the top end of the hoist fixing frame is provided with a connecting mechanism corresponding to the front trolleys and the rear trolleys, and the hoist fixing frame is respectively assembled with the front trolleys and the rear trolleys through the connecting mechanism, the acid pickling electric hoist is characterized in that the front trolleys and the rear trolleys respectively comprise trolley supports, each trolley frame comprises two first supporting plates and two second supporting plates which are parallel and arranged at intervals, the first supporting plates and the second supporting plates are fixedly connected through a plurality of fixing bolts, the inner sides of the upper ends of the first supporting plates and the second supporting plates are respectively provided with walking wheels, the walking wheels are assembled on the walking tracks, the outer sides of the upper ends of the second supporting plates are respectively provided with walking motors, power output shafts of the walking motors are in transmission connection with the walking wheels correspondingly arranged on the walking tracks, a supporting beam is arranged between the first supporting plate and the second supporting plate and is fixed at the lower ends of the first supporting plate and the second supporting plate through a pin shaft; the connecting mechanism comprises a vertically arranged pull rod, the upper end of the pull rod is rotatably connected to the supporting beam through a bearing, the upper end of the pull rod extends to the upper part of the supporting beam, a locking nut is arranged at the upper end of the pull rod, and the lower end of the pull rod is detachably and fixedly connected with the hoist fixing frame; and a lifting hook is arranged below the hoist assembly and is connected with the hoist assembly through a steel wire rope.

2. The pickled electric gourd according to claim 1, wherein: the bottom of calabash fixed frame is equipped with guider, and guider includes the leading truck of vertical setting, and the top and the calabash fixed frame of leading truck are fixed, are equipped with the guide rail on the leading truck, and the lower extreme of leading truck is equipped with the carriage that the level set up, carriage slidable assembly is equipped with the pulley on the leading truck in the track on the leading truck, and the pulley passes through wire rope to be connected with the calabash assembly, and the bottom at the leading truck is fixed to the lifting hook.

3. The pickled electric gourd according to claim 1, wherein: the hoist assembly comprises a hoisting winding drum, a hoisting motor and a speed reducer, the hoisting winding drum is detachably and fixedly connected with the hoist fixed frame, the hoisting motor is assembled at one end of the hoisting winding drum, and the speed reducer is assembled at the other end of the hoisting winding drum.

4. The pickled electric gourd according to claim 1, wherein: a gland is arranged between the lock nut and the supporting beam and is sleeved on the pull rod.

Images