CN222699895U

CN222699895U - A split column cantilever crane

Info

Publication number: CN222699895U
Application number: CN202420471201.9U
Authority: CN
Inventors: 魏正杰; 付淑慧; 贾伟莉; 魏宝璞; 陈浩; 魏鹏辉; 付淑婷
Original assignee: Henan Yubei Heavy Crane Co ltd
Current assignee: Henan Yubei Heavy Crane Co ltd
Priority date: 2024-03-12
Filing date: 2024-03-12
Publication date: 2025-04-01
Anticipated expiration: 2034-03-12

Abstract

The utility model discloses a split-column cantilever crane, comprising a base and a protection mechanism; the base: a column is arranged in the middle of the upper end thereof, the upper end of the column is rotatably connected with a cross beam through a bearing, anti-skid rollers are placed in avoidance grooves arranged at the front and rear ends of the cross beam, two longitudinally adjacent anti-skid rollers are rotatably connected to the inside of a mounting frame through bearings, the lower ends of the mounting frame are fixedly connected to the upper end of an outer shell, the front and rear sides of the lower end of the outer shell are respectively provided with mounting grooves, the inside of the outer shell is rotatably connected with a winding roll through a bearing, the outer surface of the winding roll is wound with a steel wire rope, and the steel wire rope is slidably connected to a pulley inside the sling; the protection mechanism: comprising a column and a protection plate, the split-column cantilever crane can perform damping and shock absorption protection through force reversal when a top-rushing phenomenon occurs, replacing the traditional method of protecting an electric hoist through a fire breaker, thereby extending the service life of the split-column cantilever crane.

Description

Split column type cantilever crane

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a split column type cantilever crane.

Background

The split column type cantilever crane has the advantages of light weight, high bearing capacity, high working level, large working table top, convenient adjustment and the like, and is widely used in light industry and heavy industry industries such as machine manufacturing, automobile manufacturing, papermaking, plastic processing, household appliances and the like;

Most of split column type cantilever cranes are used for paying out steel wire ropes through equipment such as a wire winding roller and the like to enable a lifting appliance to descend when working, workers are connected with corresponding cargoes through the lifting appliance, after connection is completed, the transmission equipment drives the wire winding roller to rotate and retract part of the steel wire ropes to enable the lifting appliance to ascend, the cargoes are lifted, then the external adjusting equipment drives the cross beam to rotate, and after the split column type cantilever crane rotates to a designated place, the driving equipment drives the cargoes to move along the cross beam through anti-slip idler wheels, so that the cargo transportation work is realized;

The existing split column type cantilever crane is usually provided with a fire breaker to protect the split column type cantilever crane, when the split column type cantilever crane is used, after the lifting appliance is lifted to a specified height, the fire breaker can cut off the power supply of transmission equipment, so that the lifting appliance has a limiting effect, but in the actual operation process, the fire breaker is easy to malfunction and not work due to various external force reasons or after long-time use, so that the lifting appliance is frequently subjected to the condition of punching, excessive abrasion of the split column type cantilever crane is caused, the service life of the split column type cantilever crane is shortened, and production safety accidents possibly occur if serious.

Disclosure of utility model

The utility model aims to overcome the prior art, and provides the split column type cantilever crane, through the matching arrangement of the top plate and the trapezoid blocks, when the impact phenomenon is caused, damping, shock absorption and protection can be carried out through the reversing of force, meanwhile, the size of a protection component is reduced, the impact force born by the split column type cantilever crane is further reduced, the split column type cantilever crane is prevented from being damaged due to the impact force generated by the impact of a lifting appliance impact, the traditional mode of protecting an electric hoist through a fire breaker is replaced, the service life of the split column type cantilever crane is prolonged, and the problems in the background art can be effectively solved.

In order to achieve the aim, the utility model provides the following technical scheme that the split column type cantilever crane comprises a base and a protection mechanism;

the base is characterized in that a stand column is arranged in the middle of the upper end of the base, the upper end of the stand column is rotationally connected with a cross beam through a bearing, anti-slip rollers are arranged in avoidance grooves formed in the front end and the rear end of the cross beam, two longitudinally adjacent anti-slip rollers are rotationally connected to the inside of a mounting frame through bearings, the lower end of the mounting frame is fixedly connected with the upper end of a shell, mounting grooves are respectively formed in the front side and the rear side of the lower end of the shell, a winding roller is rotationally connected to the inside of the shell through bearings, a steel wire rope is wound on the outer surface of the winding roller, and the steel wire rope is in sliding connection with pulleys in a lifting appliance;

The protection mechanism comprises upright rods and protection plates, wherein the upright rods are respectively arranged at four corners of the lower end of the shell, the upright rods are respectively and correspondingly arranged slide holes in sliding connection with the upper ends of the protection plates, the steel wire ropes are respectively and correspondingly arranged limit sliding grooves in sliding connection with the upper ends of the protection plates, and through the matching arrangement of the top plates and the trapezoid blocks, when the impact phenomenon is caused, damping, shock absorption and protection can be carried out through the reversing of force, meanwhile, the size of a protection component is reduced, the impact force of the split column cantilever crane is further reduced, the split column cantilever crane is prevented from being damaged due to the impact force generated by the impact of the lifting appliance on the split column cantilever crane, the traditional mode of protecting the electric hoist through a flame breaker is replaced, and the service life of the split column cantilever crane is prolonged.

Further, the electric control device further comprises a control switch group, wherein the control switch group is positioned outside the base, the input end of the control switch group is electrically connected with an external power supply, and electric elements inside the device can be regulated and controlled.

Further, protection machanism still includes dead lever, roof, direction traveller, connecting plate and trapezoidal piece, the dead lever sets up respectively in the front and back both sides of guard plate upper end, and the upper end of dead lever all is provided with the roof, and the direction traveller all sets up in the inside of mounting groove, and the equal sliding connection in left and right sides of direction traveller extrados has the connecting plate, and the connecting plate all with the inner wall sliding connection of mounting groove, the lower extreme of connecting plate all is provided with trapezoidal piece, and the inclined plane that the trapezoidal piece lower extreme set up all contacts with the upper end of roof, makes the hoist shift to the horizontal direction to the vertical impact force of guard plate.

Further, the protection mechanism further comprises springs, the springs are respectively arranged between one end, far away from the inner center of the shell, of the connecting plate and the inner wall of the mounting groove, the springs are respectively sleeved outside the left side and the right side of the guide sliding column, and under the elastic action of the springs, the springs are damped and buffered.

Further, the protection mechanism further comprises hydraulic dampers which are respectively arranged on the left side and the right side between the shell and the opposite inner side surfaces of the protection plate, the hydraulic dampers provide resistance to movement, impact force generated by the lifting appliance to the top is reduced, and damping is utilized to absorb energy and damp.

Further, still include the motor, the motor sets up in the right-hand member of shell, and the left end of motor output shaft and the right-hand member fixed connection of wire winding roller, the input of motor and the output electricity of control switch group are connected, can drive the rotatory partial wire rope that withdraws of wire winding roller and make the hoist rise, and then lift the goods.

Further, still include driving motor, driving motor all sets up in the front end of installing frame, and driving motor output shaft's rear end respectively with the front end fixed connection of the anti-skidding gyro wheel of front side, driving motor's input all is connected with the output electricity of control switch group, can drive the goods through anti-skidding gyro wheel and remove.

Compared with the prior art, the split column type cantilever crane has the beneficial effects that the split column type cantilever crane has the following advantages:

in the in-process actual operation process that goods risen, the phenomenon that the firearm is malfunctioning and is not operated is led to the easy break-down that leads to because of multiple external force reason, this will lead to the lifting hook to continuously rise, thereby arouse the condition of punching the top, this moment the lifting hook is through contacting with the guard plate, the guard plate receives the pressure of lifting hook and begins along the pole setting upwards moving, the guard plate passes through the dead lever and drives the roof upwards to move, after trapezoidal piece and roof contact, trapezoidal piece moves along the one end that the shell is kept away from inside center along the direction slide column, the spring shrink, make the hoist shift to the vertical impact force of guard plate on the horizontal direction, through connecting plate and the sliding friction damping of direction slide column, under the elastic action of spring, the shock attenuation buffering, simultaneously provide the resistance of motion through hydraulic damper, the impact force that reduces the hoist and dashes the top and produce, prevent to cause damage to shell and internal equipment because of hoist dashes the top, through the cooperation setting up of roof and trapezoidal piece, when arousing the phenomenon of punching the top, can carry out damping protection through the switching-over of power, the size that has also reduced protection component simultaneously, further reduce the impact force that the split column type hoist receives, prevent the hoist from producing the cantilever impact force that the cantilever crane that the electric crane breaks and the cantilever crane from producing the broken down, the life-down the traditional mode that the life of the hoist is prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;

fig. 3 is a schematic structural view of the protection mechanism of the present utility model.

In the figure, a base, a control switch group, a 3 upright post, a 4 cross beam, a 5 anti-skid roller, a 6 mounting frame, a 7 outer shell, an 8 mounting groove, a 9 protection mechanism, a 91 upright post, a 92 protection plate, a 93 fixing rod, a 94 top plate, a 95 guide slide column, a 96 connecting plate, a 97 trapezoidal block, a 98 spring, a 99 hydraulic damper, a 10 winding roller, an 11 steel wire rope, a 12 lifting appliance, a 13 motor and a 14 driving motor are arranged on the base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to FIGS. 1-3, the present embodiment provides a technical solution, which is a split column cantilever crane, comprising a base 1 and a protection mechanism 9;

The middle part of the upper end of the base 1 is provided with a stand column 3, the upper end of the stand column 3 is rotationally connected with a cross beam 4 through a bearing, anti-slip rollers 5 are respectively arranged in avoidance grooves arranged at the front end and the rear end of the cross beam 4, two longitudinally adjacent anti-slip rollers 5 are respectively rotationally connected with the inside of one mounting frame 6 through the bearing, the lower end of the mounting frame 6 is fixedly connected with the upper end of a shell 7, the front side and the rear side of the lower end of the shell 7 are respectively provided with a mounting groove 8, the inside of the shell 7 is rotationally connected with a winding roller 10 through the bearing, the outer surface of the winding roller 10 is wound with a steel wire rope 11, the steel wire rope 11 is in sliding connection with pulleys in the lifting tool 12, during working, workers connect the lifting tool 12 with corresponding goods, after connection is completed, the transmission equipment drives the winding roller 10 to rotationally retract part of the steel wire rope 11 to enable the lifting tool 12 to lift the goods, and then the cross beam 3 is driven to rotate through an external adjusting device, after the rotation of the cross beam 3 is controlled to a designated place, the driving device starts to run, and an output shaft of the driving device drives the anti-slip rollers 5 at the front side to rotate along the lifting tool to drive the goods to move along the pulleys 3 to realize the transportation of the goods;

Protection mechanism 9: the protection mechanism comprises a vertical rod 91 and a protection plate 92, wherein the vertical rod 91 is respectively arranged at four corners of the lower end of the shell 7, the vertical rod 91 is respectively and correspondingly connected with sliding holes arranged at the upper end of the protection plate 92, a steel wire rope 11 is respectively and correspondingly connected with limit sliding grooves arranged at the upper end of the protection plate 92, the protection mechanism 9 also comprises a fixing rod 93, a top plate 94, a guide sliding column 95, a connecting plate 96 and a trapezoid block 97, the fixing rod 93 is respectively arranged at the front side and the rear side of the upper end of the protection plate 92, the top end of the fixing rod 93 is respectively provided with the top plate 94, the guide sliding column 95 is respectively arranged in the installation groove 8, the left side and the right side of the outer cambered surface of the guide sliding column 95 are respectively and slidably connected with the connecting plate 96, the connecting plate 96 is respectively and slidably connected with the inner wall of the installation groove 8, the lower end of the connecting plate 96 is respectively provided with the trapezoid block 97, the inclined surface arranged at the lower end of the trapezoid block 97 is respectively contacted with the upper end of the top plate 94, the protection mechanism 9 further comprises springs 98, the springs 98 are respectively arranged between one end of the connecting plate 96 far away from the inner center of the shell 7 and the inner wall of the mounting groove 8, the springs 98 are respectively sleeved outside the left side and the right side of the guide sliding column 95, the protection mechanism 9 further comprises hydraulic dampers 99, the hydraulic dampers 99 are respectively arranged on the left side and the right side of the shell 7 and the opposite inner side surfaces of the protection plate 92, in the actual operation process of the lifting process of goods, the phenomenon that the fire breaker is out of order and is not operated easily due to various external force causes is caused, the lifting hook 12 is continuously lifted, so that the condition of punching is caused, at the moment, the lifting hook 12 is contacted with the protection plate 92, the protection plate 92 starts to move upwards along the upright rod 91 under the pressure of the lifting hook 12, the protection plate 92 drives the top plate 94 to move upwards through the fixing rod 93, after the trapezoid block 97 is contacted with the top plate 94, the trapezoidal block 97 moves along the guide slide column 95 towards one end far away from the inner center of the shell 1, the spring 98 contracts, the vertical impact force of the lifting tool 12 on the protection plate 92 is transferred to the horizontal direction, the sliding friction damping of the connecting plate 96 and the guide slide column 95 is adopted, under the elastic action of the spring 98, the damping is carried out, the resistance of movement is provided through the hydraulic damper 99, the impact force generated by the lifting tool 12 during the top impact is reduced, the damping is utilized to absorb the energy and the damping, the damage to the shell 1 and the internal equipment caused by the top impact of the lifting tool 12 is prevented, the top impact phenomenon is caused through the cooperation of the top plate 95 and the trapezoidal block 97, the damping protection can be carried out through the reversing of force, meanwhile, the size of the protection component is reduced, the impact force received by the split column type cantilever crane is further reduced, the split column type cantilever crane is prevented from being damaged due to the impact force generated by the top impact of the lifting tool, the split column type cantilever crane is replaced by the traditional mode of protecting the electric hoist through a fire breaker, and the service life of the split column type cantilever crane is prolonged.

The control switch group 2 is positioned outside the base 1, and the input end of the control switch group 2 is electrically connected with an external power supply, so that electric elements inside the equipment can be regulated and controlled.

The lifting device further comprises a motor 13, the motor 13 is arranged at the right end of the shell 7, the left end of an output shaft of the motor 13 is fixedly connected with the right end of the winding roller 10, the input end of the motor 13 is electrically connected with the output end of the control switch group 2, when the lifting device works, the motor 13 starts to operate through the regulation and control of the control switch group 2, the winding roller 10 is driven to rotate by the output shaft, the winding roller 10 releases a steel wire rope 11 to enable the lifting device 12 to descend, and workers connect the lifting device 12 with corresponding goods.

The anti-skid device further comprises a driving motor 14, wherein the driving motor 14 is arranged at the front end of the mounting frame 6, the rear end of an output shaft of the driving motor 14 is fixedly connected with the front end of the anti-skid roller 5 at the front side respectively, the input end of the driving motor 14 is electrically connected with the output end of the control switch group 2, the driving motor 14 starts to operate through the regulation and control of the control switch group 2, and the output shaft of the driving motor 14 drives the anti-skid roller 5 at the front side to rotate, so that goods are driven to move through the anti-skid roller 5.

The working principle of the split column type cantilever crane provided by the utility model is as follows: before use, the split column type cantilever crane is moved to a designated working place through external traction equipment, the base 1 and a corresponding station are installed and butted, so that the base 1 and the equipment above are supported and fixed, during operation, the motor 13 starts to operate through the regulation and control of the control switch group 2, the output shaft of the motor 13 drives the winding roller 10 to rotate, the winding roller 10 releases the steel wire rope 11 to enable the lifting appliance 12 to descend, workers connect the lifting appliance 12 with corresponding goods, after connection is completed, the motor 13 drives the winding roller 10 to rotate and retract part of the steel wire rope 11 to enable the lifting appliance 12 to ascend through the regulation and control of the control switch group 2, the goods are lifted, in the actual operation process of the goods ascending process, the phenomenon that a fire breaker is easy to break and does not work is caused due to various external force causes, the lifting appliance 12 is enabled to continuously ascend, thereby causing a top-punching condition, at this time, the lifting hook 12 is contacted with the protection plate 92, the protection plate 92 starts to move upwards along the upright post 91 under the pressure of the lifting hook 12, the protection plate 92 drives the top plate 94 to move upwards through the fixing rod 93, after the trapezoid block 97 is contacted with the top plate 94, the trapezoid block 97 moves along the guiding slide column 95 towards one end far away from the inner center of the shell 1, the spring 98 contracts, the vertical impact force of the lifting appliance 12 on the protection plate 92 is transferred to the horizontal direction, the sliding friction damping of the connecting plate 96 and the guiding slide column 95 is used for damping and buffering under the elastic action of the spring 98, meanwhile, the hydraulic damper 99 is used for providing the resistance of movement, the impact force generated by the top punching of the lifting appliance 12 is reduced, the damping is used for absorbing energy and damping, and the damage to the shell 1 and the internal equipment caused by the top punching of the lifting appliance 12 is prevented, afterwards, the beam 3 is driven to rotate through external adjusting equipment, after the beam 3 rotates to a designated place, the driving motor 14 starts to run through the regulation and control of the control switch group 2, and the output shaft of the driving motor 14 drives the front anti-slip roller 5 to rotate, so that the anti-slip roller 5 drives goods to move along the beam 3, and further the goods transportation work is realized.

It should be noted that the motor 13 and the driving motor 14 disclosed in the above embodiments may be 5i k200A-AF, and the control switch group 2 is provided with control buttons for controlling the switches thereof in one-to-one correspondence with the motor 13 and the driving motor 14.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The split column type cantilever crane is characterized by comprising a base (1) and a protection mechanism (9);

The middle part of its upper end is provided with stand (3), the upper end of stand (3) is connected with crossbeam (4) through the bearing rotation, anti-skidding gyro wheel (5) have all been placed in the groove of dodging that both ends set up around crossbeam (4), two vertically adjacent anti-skidding gyro wheels (5) are all connected in the inside of a mount frame (6) through the bearing rotation, the lower extreme of mount frame (6) all is fixed connection with the upper end of shell (7), both sides are provided with mounting groove (8) respectively around the lower extreme of shell (7), the inside of shell (7) is connected with wire winding roller (10) through the bearing rotation, the surface winding of wire winding roller (10) has wire rope (11), wire rope (11) and the inside pulley sliding connection of hoist (12)

The protection mechanism (9) comprises a vertical rod (91) and a protection plate (92), wherein the vertical rod (91) is respectively arranged at four corners of the lower end of the shell (7), the vertical rod (91) is respectively and correspondingly arranged at the upper end of the protection plate (92) in sliding connection with sliding holes, and the steel wire rope (11) is respectively and correspondingly arranged at the upper end of the protection plate (92) in sliding connection with a limiting sliding groove.

2. The split column cantilever crane according to claim 1, further comprising a control switch group (2), wherein the control switch group (2) is located outside the base (1), and an input end of the control switch group (2) is electrically connected with an external power supply.

3. The split column type cantilever crane according to claim 1, wherein the protection mechanism (9) further comprises a fixing rod (93), a top plate (94), guide sliding columns (95), connecting plates (96) and trapezoid blocks (97), the fixing rods (93) are respectively arranged on the front side and the rear side of the upper end of the protection plate (92), the top ends of the fixing rods (93) are respectively provided with the top plate (94), the guide sliding columns (95) are respectively arranged in the mounting grooves (8), the connecting plates (96) are respectively connected on the left side and the right side of the outer cambered surface of the guide sliding columns (95) in a sliding mode, the connecting plates (96) are respectively connected with the inner walls of the mounting grooves (8) in a sliding mode, the lower ends of the connecting plates (96) are respectively provided with the trapezoid blocks (97), and inclined surfaces arranged at the lower ends of the trapezoid blocks (97) are respectively contacted with the upper ends of the top plates (94).

4. The split column type cantilever crane according to claim 3, wherein the protection mechanism (9) further comprises springs (98), the springs (98) are respectively arranged between one end of the connecting plate (96) far away from the inner center of the shell (7) and the inner wall of the mounting groove (8), and the springs (98) are respectively sleeved outside the left side and the right side of the guide sliding column (95).

5. The split column cantilever crane according to claim 1, wherein the guard mechanism (9) further comprises hydraulic dampers (99), and the hydraulic dampers (99) are respectively arranged on the left and right sides between the housing (7) and the opposite inner sides of the guard plate (92).

6. The split column type cantilever crane according to claim 2, further comprising a motor (13), wherein the motor (13) is arranged at the right end of the housing (7), the left end of an output shaft of the motor (13) is fixedly connected with the right end of the winding roller (10), and the input end of the motor (13) is electrically connected with the output end of the control switch group (2).

7. The split column type cantilever crane according to claim 2, further comprising driving motors (14), wherein the driving motors (14) are arranged at the front ends of the mounting frames (6), the rear ends of output shafts of the driving motors (14) are fixedly connected with the front ends of the front anti-slip rollers (5) respectively, and the input ends of the driving motors (14) are electrically connected with the output ends of the control switch groups (2).