CN111824966A

CN111824966A - Electric mobile gantry crane driven by storage battery

Info

Publication number: CN111824966A
Application number: CN202010140703.XA
Authority: CN
Inventors: 龚子运
Original assignee: Hefei Kiwi Heavy Machinery Co ltd
Current assignee: Hefei Kiwi Heavy Machinery Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-10-27

Abstract

The invention relates to the technical field of hoisting devices, in particular to an electric mobile gantry crane driven by a storage battery, wherein a walking part is arranged at the bottom end of a gantry, a first motor is arranged at one end of an inner cavity of a cross beam, a power output end of the first motor is connected with a threaded rod, a translation base is sleeved on the threaded rod in a threaded manner, rollers are respectively and rotatably arranged on the front surface and the back surface of the translation base, the bottom end of each roller is in rolling contact with the bottom surface of the inner cavity of the cross beam, a corner driving part is fixedly connected to the lower surface of the translation base, the top end of the corner driving part is in sliding clamping connection with a groove axially extending from the middle position of the lower surface of the cross beam, a turntable is rotatably connected to the bottom end of the corner driving part, a second motor is arranged in the inner cavity of; the problem of present electronic portal crane be difficult to carry out safe, conveniently angle regulation when lifting by crane the article whereabouts is solved.

Description

Electric mobile gantry crane driven by storage battery

Technical Field

The invention relates to the technical field of hoisting devices, in particular to an electric mobile gantry crane driven by a storage battery.

Background

Gantry cranes are a variant of bridge cranes, also called gantry cranes. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The metal structure of the device is like a door-shaped frame, two support legs are arranged under a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at the two ends of the main beam. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards.

At present, the widely used electric gantry crane can only realize the translation of an object generally, and when the object falls and the angle needs to be adjusted, manual intervention and adjustment are often needed, which is unfavorable for the safety of an operator.

Disclosure of Invention

The invention aims to provide an electric mobile gantry crane driven by a storage battery, which is used for solving the problem that the angle of the conventional electric gantry crane is difficult to adjust safely and conveniently when a lifted object falls down.

In order to achieve the purpose, the invention provides the following technical scheme: an electric movable gantry crane driven by a storage battery comprises a gantry, a cross beam and a hoisting part, wherein the bottom end of the gantry is provided with a walking part, one end of the inner cavity of the cross beam is provided with a first motor, the power output end of the first motor is connected with a threaded rod, the threaded rod is sleeved with a translation base in a threaded manner, rollers are respectively and rotatably arranged on the front surface and the back surface of the translation base, the bottom end of the roller is in rolling contact with the bottom surface of the inner cavity of the cross beam, the lower surface of the translation base is fixedly connected with a corner driving part, the top end of the corner driving part is in sliding clamping connection with a groove which extends along the axial direction at the central position of the lower surface of the cross beam, the bottom end of the corner driving part is rotationally connected with a turntable, the inner cavity of the corner driving part is provided with a second motor, the power output end of the second motor is sleeved with the circle center of the rotary table, and the top end of the lifting part is fixedly connected to the edge of the rotary table.

Preferably, the outer wall that corner drive division is close to the top rotates to cup joint the ring body, the both sides face fixedly connected with ear seat of ring body, and be connected with the pull rod on the ear seat, the bottom of pull rod with the ear seat that the carousel upper surface set up is connected.

Preferably, the lifting part is an electric hoist.

Preferably, the bottom end of the corner driving part is provided with a flange, and the flange is clamped with the rotary table along an annular shape.

Preferably, the bottom of portal is provided with the battery, and the output of battery with the electric connection of the input of first motor and second motor.

Compared with the prior art, the invention has the beneficial effects that:

1. the first motor is arranged in the inner cavity of the cross beam, the power output end of the first motor drives the translation base to move in the inner cavity of the cross beam along the axial direction through the connected threaded rod, and the translation base is in contact with the bottom surface of the inner cavity of the cross beam through the rollers, so that friction is reduced, and the translation base can run more smoothly.

2. The lower surface of the translation base is fixedly connected with a corner driving part, and a second motor arranged in an inner cavity of the corner driving part drives a turntable to rotate at the bottom end of the corner driving part, so that the falling angle of an object lifted by a lifting part can be flexibly adjusted.

3. The ring body is rotatably sleeved at the position, close to the top end, of the periphery of the corner driving part, and the pull rod is connected between the ring body and the upper surface of the rotary table, so that the rotary table and the corner driving part are connected more firmly.

Drawings

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

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

FIG. 3 is an enlarged schematic view of FIG. 1 at A according to the present invention;

fig. 4 is a front view of the corner driving part according to the present invention.

In the figure: 1-portal frame; 11-a walking part; 2-a cross beam; 3-a lifting part; 4-a first motor; 41-threaded rod; 5-a translation base; 51-a roller; 6-corner driving part; 61-ring body; 7-a turntable; 8-a second motor; 9-a pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the invention provides a technical scheme, an electric mobile gantry crane driven by a storage battery comprises a gantry 1, a beam 2 and a lifting part 3, wherein a walking part 11 is arranged at the bottom end of the gantry 1, a first motor 4 is arranged at one end of an inner cavity of the beam 2, a power output end of the first motor 4 is connected with a threaded rod 41, a translation base 5 is sleeved on the threaded rod 41 in a threaded manner, rollers 51 are respectively and rotatably arranged on the front surface and the back surface of the translation base 5, the bottom end of each roller 51 is in rolling contact with the bottom surface of the inner cavity of the beam 2, a corner driving part 6 is fixedly connected to the lower surface of the translation base 5, the top end of the corner driving part 6 is in sliding clamping connection with a slot axially extending from the middle position of the lower surface of the beam 2, a turntable 7 is rotatably connected to the bottom end of the corner driving part 6, a second motor 8 is arranged in, the top end of the lifting part 3 is fixedly connected at the edge of the rotary table 7.

In conclusion, when the gantry crane is used, the travelling part 11 drives the gantry crane to integrally move along the track; the lifting part 3 is used for lifting the object to realize the lifting of the object; the first motor 4 drives the threaded rod 41 to rotate, so that the translation base 5 is driven to move in the inner cavity of the cross beam 2 through the roller 51, and the deviation of a lifting point is realized; when the angle of the lifted object needs to be adjusted, the second motor 8 drives the rotary table 7 to rotate, and the rotary table drives the lifting part 3 to rotate, so that the angle of the lifted object is adjusted.

In this embodiment, the outer wall of the corner driving part 6 near the top end is rotatably sleeved with a ring body 61, two side faces of the ring body 61 are fixedly connected with ear seats, the ear seats are connected with pull rods 9, and the bottom ends of the pull rods 9 are connected with the ear seats arranged on the upper surface of the turntable 7; so that the pull rod 9 strengthens the connection strength between the rotary table 7 and the corner driving part 6 when in use.

In this embodiment, the lifting unit 3 is an electric hoist.

In this embodiment, a flange is arranged at the bottom end of the corner driving part 6, and the flange is clamped with the turntable 7 along a ring shape; so that in use the corner drive 6 provides an upward supporting force to the turntable 7 via the flange.

In this embodiment, the bottom of portal 1 is provided with the battery, and the output of battery and the electric connection of the input of first motor 4 and second motor 8.

The working principle is as follows: when the gantry crane is used, the storage battery supplies power to the traveling part 11, and the traveling part 11 drives the whole gantry crane to move along a track; the lifting part 3 is used for lifting the object to realize the lifting of the object; the first motor 4 drives the threaded rod 41 to rotate, so that the translation base 5 is driven to move in the inner cavity of the cross beam 2 through the roller 51, and the deviation of a lifting point is realized; when the angle of the lifted object needs to be adjusted, the second motor 8 drives the rotary table 7 to rotate, and the rotary table drives the lifting part 3 to rotate, so that the angle of the lifted object is adjusted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery driven electric movable gantry crane, includes portal (1), crossbeam (2) and lifts by crane portion (3), the bottom of portal (1) is provided with walking portion (11), its characterized in that: the one end of crossbeam (2) inner chamber is provided with first motor (4), the power take off end of first motor (4) is connected with threaded rod (41), translation base (5) has been cup jointed to threaded rod (41) upper thread, the front and the back of translation base (5) rotate respectively and install gyro wheel (51), the bottom of gyro wheel (51) with the bottom surface rolling contact of crossbeam (2) inner chamber, the lower fixed surface of translation base (5) is connected with corner drive portion (6), the top of corner drive portion (6) with crossbeam (2) lower surface position between two parties along the fluting slip joint of axial extension, the bottom of corner drive portion (6) rotates and is connected with carousel (7), the inner chamber of corner drive portion (6) is provided with second motor (8), the power take off end of second motor (8) cup joints with the centre of a circle position of carousel (7) that shows, the top end of the lifting part (3) is fixedly connected to the edge of the rotary table (7).

2. The electric mobile gantry crane driven by the storage battery of claim 1, wherein: corner drive division (6) are close to the outer wall on top and rotate and have cup jointed ring body (61), the both sides face fixedly connected with ear seat of ring body (61), and be connected with pull rod (9) on the ear seat, the bottom of pull rod (9) with the ear seat that carousel (7) upper surface set up is connected.

3. The electric mobile gantry crane driven by the storage battery of claim 1, wherein: the lifting part (3) is an electric hoist.

4. The electric mobile gantry crane driven by the storage battery of claim 1, wherein: the bottom of corner drive division (6) is provided with the flange, and the flange with carousel (7) are along annular joint.

5. The electric mobile gantry crane driven by the storage battery of claim 1, wherein: the bottom of portal (1) is provided with the battery, and the output of battery with the electric connection of the input of first motor (4) and second motor (8).