CN219239043U

CN219239043U - Anti-overturning portal crane

Info

Publication number: CN219239043U
Application number: CN202320639883.5U
Authority: CN
Inventors: 武建枝; 齐利萍; 武利娟
Original assignee: Henan Ruizhike Electromechanical Equipment Co ltd
Current assignee: Henan Ruizhike Electromechanical Equipment Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-06-23
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses an anti-overturning portal crane, which comprises a bottom plate, a lifting mechanism and an anti-overturning mechanism, wherein the bottom plate is arranged on the bottom plate; a bottom plate: the centers of the upper ends of the base plates are respectively provided with a support column, the lower ends of the support columns are fixedly connected with the lower ends of the cross beams, and the lower ends of the base plates are respectively provided with a roller; and a hoisting mechanism: the lifting device comprises a moving plate, an electric hoist, a sling, a lifting pulley and a lifting hook, wherein the moving plate is connected to the lower end of a cross beam in a sliding manner, the electric hoist is arranged at the lower end of the moving plate, the sling is wound on a winding drum of the electric hoist, the lifting pulley is connected to an outer cambered surface of the sling in a sliding manner, and the lifting hook is arranged at the lower end of the lifting pulley; anti-overturning mechanism: which are respectively arranged at the front end and the rear end of the support column; this prevent capsizing gantry crane can support the support column in strong wind weather, prevents that it from capsizing, when not using, is convenient for accomodate prevent capsizing mechanism, and the removal of being convenient for, easy operation, convenient to use, application scope is wider.

Description

Anti-overturning portal crane

Technical Field

The utility model relates to the technical field of portal cranes, in particular to an anti-overturning portal crane.

Background

Gantry cranes are a variant of bridge cranes, also called gantry cranes. The device is mainly used for loading and unloading operations of outdoor goods yards, stock yards and bulk cargoes. The portal crane has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, is widely used in a port cargo yard, has a metal structure like a portal frame, is provided with two supporting legs below a bearing girder, can directly walk on a track on the ground, can be provided with overhanging cantilever beams at two ends, is mostly open in use places, is easy to cause overturning accidents in a non-working state when being used in windy weather, is in a triangular inclined strut structure, is arranged at the joint of the portal frame and the ground, but has a plurality of defects, is inconvenient to fold when not being used, has a large occupied space, is in a fixed integral type, cannot be automatically adjusted according to the actual condition of the ground, and has poor applicability.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides an anti-overturning portal crane which can support a support column in windy weather to prevent the support column from overturning and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-overturning portal crane comprises a bottom plate, a lifting mechanism and an anti-overturning mechanism;

a bottom plate: the centers of the upper ends of the base plates are respectively provided with a support column, the lower ends of the support columns are fixedly connected with the lower ends of the cross beams, and the lower ends of the base plates are respectively provided with a roller;

and a hoisting mechanism: the lifting device comprises a moving plate, an electric hoist, a sling, a lifting pulley and a lifting hook, wherein the moving plate is connected to the lower end of a cross beam in a sliding manner, the electric hoist is arranged at the lower end of the moving plate, the sling is wound on a winding drum of the electric hoist, the lifting pulley is connected to an outer cambered surface of the sling in a sliding manner, and the lifting hook is arranged at the lower end of the lifting pulley;

anti-overturning mechanism: which are respectively arranged at the front end and the rear end of the support column;

wherein: still include control switch group, control switch group is located the outside of bottom plate, and the external power source is connected to control switch group's input electricity, and control switch group's output is connected to electric block's input electricity, can be according to ground actual conditions, adaptively adjust to can support the support column in the strong wind weather, prevent its upset, when not using, be convenient for accomodate anti-overturning mechanism, be convenient for remove, easy operation, convenient to use, application scope is wider.

Further, the hoisting mechanism further comprises a motor support, a motor and a movable wheel, the motor support is arranged at the front end of the movable plate, the motor is arranged at the upper end of the motor support, the movable wheel is arranged at the rear end of an output shaft of the motor, the extrados of the movable wheel is slidably connected with the bottom wall surface of the cross beam, and the input end of the motor is electrically connected with the output end of the control switch group, so that the heavy object can be driven to move.

Further, prevent overturning mechanism includes mount pad one, rectangle section of thick bamboo, sliding plate, mount pad two, prevents inclining shroud plate and rubber pad, mount pad one sets up respectively in the front and back both ends of support column, and the inside of mount pad one all is connected with the rectangle section of thick bamboo through round pin axle one rotation, and the inside of rectangle section of thick bamboo all sliding connection has the sliding plate, and the lower extreme of sliding plate all is provided with mount pad two, and the inside of mount pad two all is connected with prevents inclining shroud plate through round pin axle two rotations, and the lower extreme of preventing inclining shroud plate all is provided with the rubber pad, and the lower extreme of rubber pad all contacts with ground, can support gantry crane.

Further, the anti-overturning mechanism further comprises fixing bolts which are respectively connected with the threaded holes in the rectangular cylinder in a threaded mode, and the fixing bolts are matched with the sliding plate to be installed, so that the sliding plate can be fixed conveniently.

Further, the round holes are formed in the anti-tilting shroud plate, the ground pins are inserted into the round holes, the avoiding holes corresponding to the round holes are formed in the rubber pad, and the anti-tilting shroud plate is fixed on a soft ground conveniently.

Further, the upper end of bottom plate all symmetry is provided with the barrier plate, and barrier plate and prevent the cooperation installation of toppling board are convenient for accomodate the board of preventing toppling.

Further, all be provided with the reinforcing plate between the lower extreme of support column and the upper end of bottom plate, all be provided with the enhancement between the lower extreme of support column and crossbeam and prop, improved gantry crane's bulk strength.

Compared with the prior art, the utility model has the beneficial effects that: the anti-overturning portal crane has the following advantages:

when strong wind weather, screw fixing bolt through external tool, make it no longer contact with the sliding plate, take out the sliding plate, prevent the extension of sliding plate subaerial to prevent the anti-toppling board, screw fixing bolt through external tool, fix the sliding plate, through setting up anti-toppling board and rubber pad, this gantry crane and the area of contact on ground have been increased, when the front of gantry crane receives strong wind, can carry out powerful support to gantry crane, prevent its toppling, when soft ground uses, can fix anti-toppling board and rubber pad subaerial through inserting the ground pin, further fix gantry crane, anti-toppling effect is better, when need carry to gantry crane, pack up sliding plate and anti-toppling board, put the upper end of bottom plate to anti-toppling board, use the barrier plate to block to anti-toppling board, vibration in the handling makes anti-toppling board take place to remove and influence transport work, can adjust according to ground actual conditions, thereby can support in big wind, it is easy to prevent to use, the support post is easy to use, the support is convenient for use, the support post is easy to use, when the handling is easy to prevent the tipping.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 3 is a right side view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: 1 a bottom plate, 2 support columns, 3 beams, 4 lifting mechanisms, 41 moving plates, 42 electric hoists, 43 slings, 44 lifting pulleys, 45 lifting hooks, 46 motor brackets, 47 motors, 48 moving wheels, 5 anti-overturning mechanisms, 51 installation seat I, 52 rectangular cylinders, 53 sliding plates, 54 installation seat II, 55 anti-overturning covering plates, 56 rubber pads, 57 fixing bolts, 6 round holes, 7 ground inserting pins, 8 control switch groups, 9 rollers, 10 reinforcing plates, 11 reinforcing plates and 12 blocking plates.

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 fig. 1-4, the present embodiment provides a technical solution: an anti-overturning portal crane comprises a bottom plate 1, a lifting mechanism 4 and an anti-overturning mechanism 5;

the base plate 1: the center of the upper end of the support column is provided with a support column 2, the lower ends of the support column 2 are fixedly connected with the lower end of a cross beam 3, the lower end of a bottom plate 1 is provided with a roller 9, a reinforcing plate 10 is arranged between the lower end of the support column 2 and the upper end of the bottom plate 1, and a reinforcing support 11 is arranged between the upper end of the support column 2 and the lower end of the cross beam 3;

hoisting mechanism 4: the lifting mechanism comprises a moving plate 41, an electric hoist 42, a sling 43, a lifting pulley 44 and a lifting hook 45, wherein the moving plate 41 is in sliding connection with the lower end of a cross beam 3, the lower end of the moving plate 41 is provided with the electric hoist 42, a sling 43 is wound on a winding drum of the electric hoist 42, the outer cambered surface of the sling 43 is in sliding connection with the lifting pulley 44, the lower end of the lifting pulley 44 is provided with the lifting hook 45, the lifting mechanism 4 further comprises a motor bracket 46, a motor 47 and a moving wheel 48, the motor bracket 46 is arranged at the front end of the moving plate 41, the upper end of the motor bracket 46 is provided with the motor 47, the rear end of an output shaft of the motor 47 is provided with the moving wheel 48, the outer cambered surface of the moving wheel 48 is in sliding connection with the bottom wall surface of the cross beam 3, the input end of the motor 47 is electrically connected with the output end of a control switch group 8, when the lifting hoist is used, firstly, the sling 43 is wound on the lifting hook 45 through the control switch group 8, the winding drum of the electric hoist 42 is rotated to retract the sling 43, the lifting hook 45 and the weight 47 are driven to start to operate through the control switch group 8, the motor 47 is driven to rotate, the moving wheel 48 is driven to start to rotate, the moving wheel 48 and the moving wheel 3 to move relatively, the weight is driven to the left and the designated ground, and the weight 43 can be moved to the right through the designated ground, and can conveniently move the lifting plate and can be carried by the lifting plate;

anti-toppling mechanism 5: the anti-overturning mechanism 5 comprises a first mounting seat 51, a rectangular cylinder 52, a sliding plate 53, a second mounting seat 54, an anti-overturning plate 55 and a rubber pad 56, wherein the first mounting seat 51 is respectively arranged at the front end and the rear end of the support column 2, the inside of the first mounting seat 51 is rotationally connected with the rectangular cylinder 52 through a pin shaft, the inside of the rectangular cylinder 52 is slidingly connected with the sliding plate 53, the lower end of the sliding plate 53 is provided with the second mounting seat 54, the inside of the second mounting seat 54 is rotationally connected with the anti-overturning covering plate 55 through the pin shaft, the lower end of the anti-overturning covering plate 55 is provided with the rubber pad 56, the lower end of the rubber pad 56 is in contact with the ground, the anti-overturning mechanism 5 further comprises a fixing bolt 57, the fixing bolts 57 are respectively connected in threaded holes in the rectangular cylinder 52 in a threaded manner, the fixing bolts 57 are matched with the sliding plate 53, the fixing bolts 57 are screwed by an external tool to prevent the sliding plate 53 from contacting the sliding plate 53 in windy weather, the anti-overturning plate 55 is prevented from being on the ground, the extending length of the sliding plate 53 is properly adjusted, the fixing bolts 57 are screwed by the external tool to fix the sliding plate 53, the contact area between the gantry crane and the ground is increased by arranging the anti-overturning plate 55 and the rubber pad 56, and the gantry crane can be strongly supported to prevent the gantry crane from overturning when the front surface of the gantry crane is subjected to windy weather, so that the safety is higher;

wherein: the electric hoist comprises a base plate 1, a control switch group 8, an electric hoist 42, a motor 47 and a control switch group 8, wherein the control switch group 8 is positioned outside the base plate 1, the input end of the control switch group 8 is electrically connected with an external power supply, the input end of the electric hoist 42 is electrically connected with the output end of the control switch group 8, and the control switch group 8 controls the normal operation of the electric hoist 42 and the motor 47;

wherein: round holes 6 are formed in the anti-tilting shroud plate 55, ground pins 7 are inserted into the round holes 6, avoiding holes corresponding to the round holes 6 are formed in the rubber pads 56, blocking plates 12 are symmetrically arranged at the upper end of the bottom plate 1, the blocking plates 12 are matched with the anti-tilting plate 55, the anti-tilting plate 55 and the rubber pads 56 are fixed on the ground through the ground pins 7 when the anti-tilting shroud plate is used on soft ground, the portal crane is further fixed, the anti-tilting effect is better, the sliding plates 53 and the anti-tilting plate 55 are retracted when the portal crane is required to be carried, the anti-tilting shroud plate 55 is placed at the upper end of the bottom plate 1, the anti-tilting plate 55 is blocked by the blocking plates 12, the anti-tilting plate 55 is prevented from moving due to vibration in the carrying process, carrying work is affected, and the portal crane is convenient to use and wide in application range.

The working principle of the anti-overturning portal crane provided by the utility model is as follows: when in use, firstly, a heavy object to be carried is hung on the lifting hook 45, the electric hoist 42 starts to operate through the control switch group 8, the winding drum of the electric hoist 42 rotates to retract the sling 43, the lifting hook 45 and the heavy object are driven to rise, the motor 47 starts to operate through the control switch group 8, the motor 47 drives the moving wheel 48 to start rotating, relative motion is generated between the moving wheel 48 and the cross beam 3, the moving plate 41 and the heavy object are driven to move left and right, after the heavy object reaches a designated position, the sling 43 is put down through the electric hoist 42, the heavy object falls to the ground again, the heavy object carrying work can be completed, in windy weather, the fixing bolt 57 is screwed through an external tool, the heavy object is not contacted with the sliding plate 53 any more, the sliding plate 53 is pulled out, the anti-toppling plate 55 is prevented from being on the ground, the extending length of the sliding plate 53 is properly adjusted, the fixing bolt 57 is screwed through the external tool, the sliding plate 53 is fixed, the contact area between the gantry crane and the ground is increased by arranging the anti-tilting plate 55 and the rubber pad 56, when the front surface of the gantry crane receives strong wind, the gantry crane can be strongly supported to prevent the gantry crane from tilting, when the gantry crane is used on soft ground, the anti-tilting plate 55 and the rubber pad 56 can be fixed on the ground through the ground inserting pin 7, the gantry crane is further fixed, the anti-tilting effect is better, when the gantry crane needs to be carried, the sliding plate 53 and the anti-tilting plate 55 are retracted, the anti-tilting plate 55 is placed at the upper end of the bottom plate 1, the blocking plate 12 is used for blocking the anti-tilting plate 55, and vibration in the carrying process can prevent the anti-tilting plate 55 from moving to influence carrying work, so that the use is convenient, and the application range is wider.

It should be noted that, in the above embodiment, the electric hoist 42 may be CD1, the motor 47 may be 7IK750GU-SF, and the control switch group 8 is provided with control buttons corresponding to the electric hoist 42 and the motor 47 one by one for controlling the switches thereof.

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. An anti-capsizing gantry crane, which is characterized in that: comprises a bottom plate (1), a lifting mechanism (4) and an anti-overturning mechanism (5);

bottom plate (1): the centers of the upper ends of the base plates are respectively provided with a support column (2), the lower ends of the support columns (2) are fixedly connected with the lower ends of the cross beams (3), and the lower ends of the base plates (1) are respectively provided with a roller (9);

hoisting mechanism (4): the lifting device comprises a moving plate (41), an electric hoist (42), a sling (43), a lifting pulley (44) and a lifting hook (45), wherein the moving plate (41) is connected to the lower end of a cross beam (3) in a sliding mode, the electric hoist (42) is arranged at the lower end of the moving plate (41), the sling (43) is wound on a winding drum of the electric hoist (42), the lifting pulley (44) is connected to an extrados surface of the sling (43) in a sliding mode, and the lifting hook (45) is arranged at the lower end of the lifting pulley (44);

anti-overturning mechanism (5): the two ends of the support column (2) are respectively arranged at the front end and the rear end;

wherein: the electric hoist comprises a base plate (1), and is characterized by further comprising a control switch group (8), wherein the control switch group (8) is positioned outside the base plate (1), the input end of the control switch group (8) is electrically connected with an external power supply, and the input end of the electric hoist (42) is electrically connected with the output end of the control switch group (8).

2. An anti-capsizing gantry crane according to claim 1, characterized in that: the lifting mechanism (4) further comprises a motor support (46), a motor (47) and a movable wheel (48), the motor support (46) is arranged at the front end of the movable plate (41), the motor (47) is arranged at the upper end of the motor support (46), the movable wheel (48) is arranged at the rear end of an output shaft of the motor (47), the outer cambered surface of the movable wheel (48) is in sliding connection with the bottom wall surface of the cross beam (3), and the input end of the motor (47) is electrically connected with the output end of the control switch group (8).

3. An anti-capsizing gantry crane according to claim 1, characterized in that: the anti-overturning mechanism (5) comprises a first mounting seat (51), a rectangular cylinder (52), a sliding plate (53), a second mounting seat (54), an anti-overturning cover plate (55) and a rubber pad (56), wherein the first mounting seat (51) is arranged at the front end and the rear end of a supporting column (2) respectively, the rectangular cylinder (52) is connected to the inside of the first mounting seat (51) through a pin shaft in a rotating mode, the sliding plate (53) is connected to the inside of the rectangular cylinder (52) in a sliding mode, the second mounting seat (54) is arranged at the lower end of the sliding plate (53), the anti-overturning cover plate (55) is connected to the inside of the second mounting seat (54) through the second pin shaft in a rotating mode, the rubber pad (56) is arranged at the lower end of the anti-overturning cover plate (55), and the lower end of the rubber pad (56) is in contact with the ground.

4. A capsizing-proof gantry crane according to claim 3, characterized in that: the anti-overturning mechanism (5) further comprises fixing bolts (57), the fixing bolts (57) are respectively connected into threaded holes in the rectangular cylinder (52) in a threaded mode, and the fixing bolts (57) are matched with the sliding plate (53).

5. A capsizing-proof gantry crane according to claim 3, characterized in that: round holes (6) are formed in the anti-tilting shroud plates (55), ground pins (7) are inserted into the round holes (6), and avoidance holes corresponding to the round holes (6) are formed in the rubber pads (56).

6. A capsizing-proof gantry crane according to claim 3, characterized in that: the upper ends of the bottom plates (1) are symmetrically provided with blocking plates (12), and the blocking plates (12) and the anti-overturning plates (55) are installed in a matched mode.

7. An anti-capsizing gantry crane according to claim 1, characterized in that: reinforcing plates (10) are arranged between the lower ends of the support columns (2) and the upper ends of the bottom plates (1), and reinforcing supports (11) are arranged between the upper ends of the support columns (2) and the lower ends of the cross beams (3).