CN216971799U

CN216971799U - Novel double-beam portal crane

Info

Publication number: CN216971799U
Application number: CN202220654038.0U
Authority: CN
Inventors: 王一; 李元恒; 李伟敏; 林建超; 李伟娟; 赵冬业; 吕顺军; 侯奎
Original assignee: Henan Dongfeng Crane Co ltd
Current assignee: Henan Dongfeng Crane Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-15
Anticipated expiration: 2032-03-24

Abstract

The utility model belongs to the technical field of cranes, and relates to a novel double-beam portal crane which comprises crane saddles, fixed top beams and lifting plates, wherein traveling wheels are arranged at the bottoms of the crane saddles, supporting columns are fixedly welded at the tops of the two crane saddles, the fixed top beams are fixedly welded at the tops of the two supporting columns, a controller is arranged at the top of the fixed top beams, two lifting electric hoists are symmetrically arranged at the bottoms of the fixed top beams, lifting ropes are fixedly connected onto the lifting electric hoists, a driving motor is fixedly arranged on one fixing plate, a driving lead screw is rotatably connected between the two fixing plates, two guide pillars are fixedly connected between the two fixing plates and positioned outside the driving lead screw, a driving threaded sleeve and two guide sleeves are arranged on a moving block, the guide sleeves are in sliding insertion with the guide pillars, and an elastic hook is fixedly connected at the bottoms of the moving block; this hoist has add stabilizing mean and adjustment mechanism, conveniently fixes a position before the jack-up, and is more stable during the jack-up, and can jack-up the goods of different width.

Description

Novel double-beam portal crane

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a novel double-beam portal crane.

Background

Gantry cranes, also known as gantry cranes, are a kind of machinery for carrying or unloading heavy objects, move the heavy object to the place of the lock demand through the cyclic motion of machinery, widely used in many fields such as energy, real estate, petrochemical industry, warehouse logistics and containers, wherein the gantry cranes are divided into single girder and double girders, the double girder crane has the characteristics of carrying capacity cavity, large span, good overall stability, because of the quality size is great, the double girder gantry crane mainly applies to the open-air working environment, occupy a large proportion in the crane, and the traditional U-shaped double girder gantry crane has many insufficient places during operation.

Traditional gantry crane structure is comparatively simple, directly hangs the jack-up with electric hoist and jack-up goods, and this kind of hoist need be blown at the jack-up in-process, and the jack-up goods can rock, drops easily, and the inconvenient width that has more the goods goes to adjust the interval of two electric hoists, causes the unstable condition of jack-up, and traditional portal crane bottom does not have stable positioning mechanism simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel double-beam portal crane, which is used for solving the problems that the traditional portal crane is simple in structure, electric hoists and hoisting goods are directly hung for hoisting, the crane needs to be blown in the hoisting process, the hoisting goods can shake and easily fall off, the width of the goods is inconvenient to adjust the distance between the two electric hoists, the hoisting is unstable, and meanwhile, the bottom of the traditional gantry crane in the market does not have a stable positioning mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a novel double-beam portal crane, which comprises two crane saddles, two fixed top beams and two lifting plates, wherein the bottom of each crane saddle is provided with a traveling wheel, the tops of the two crane saddles are fixedly welded with support columns, the fixed top beams are fixedly welded on the tops of the two support columns, the tops of the fixed top beams are provided with controllers, the bottoms of the fixed top beams are symmetrically provided with two lifting electric hoists, lifting ropes are fixedly connected onto the lifting electric hoists, the lifting plates are positioned between the two support columns, the other ends of the two lifting ropes are fixedly connected with the tops of the lifting plates, the front and rear sides of the two crane saddles are provided with stabilizing mechanisms, the bottoms of the lifting plates are provided with adjusting mechanisms, each adjusting mechanism comprises two fixed plates and two moving blocks, the two fixed plates are fixedly connected to the left and right sides of the bottoms of the lifting plates, the movable block comprises a fixed plate, a driving motor, a driving screw rod, two movable blocks and a driving screw sleeve, wherein the fixed plate is fixedly provided with the driving motor, the two fixed plates are rotatably connected with the driving screw rod, the other end of the driving screw rod is fixedly connected with the output end of the driving motor, the two fixed plates are fixedly connected with two guide pillars, the two guide pillars are positioned on the outer side of the driving screw rod, the two movable blocks are arranged in a bilateral symmetry manner, the movable blocks are provided with the driving screw sleeve and two guide sleeves, the driving screw sleeve is in threaded connection with the driving screw rod, the guide sleeves are in sliding insertion with the guide pillars, and the bottoms of the movable blocks are fixedly connected with elastic hooks.

As a preferable technical scheme of the utility model, a driver and a storage battery are arranged in the crane saddle, and a signal transceiving module, a GPS positioning module and a Bluetooth module are arranged in the controller, so that the crane can be conveniently and remotely controlled.

As a preferred technical scheme, one end, close to each other, of each of the two support columns is provided with a longitudinal limiting sliding groove, the left end and the right end of each lifting plate are provided with limiting sliding blocks, and the lifting plates are in sliding connection with the limiting sliding grooves through the limiting sliding blocks on the two sides, so that the lifting plates are limited.

As a preferred technical scheme, the stabilizing mechanism comprises two transmission frames, two hydraulic telescopic rods and two supporting legs, one end of each transmission frame is rotatably connected with the crane saddle, the other end of each transmission frame is rotatably connected with the corresponding supporting leg, the hydraulic telescopic rods are arranged between the two transmission frames, one end of each hydraulic telescopic rod is rotatably connected with the corresponding crane saddle, the other end of each hydraulic telescopic rod is rotatably connected with the top of the corresponding supporting leg, and an anti-skid foot pad is fixedly welded at the bottom end of each supporting leg and plays a role in stabilizing and positioning before the crane lifts.

As a preferred technical scheme, the transmission frame is in an A shape, and the reinforcing ribs are fixedly welded on the transmission frame, so that the firmness and the bearing capacity of the transmission frame are improved.

In a preferred embodiment of the present invention, the left and right threads on the drive screw have opposite thread directions and the same thread pitch, so that the two moving blocks move toward or away from each other at a constant speed.

The utility model has the following beneficial effects: the controller is connected with an external terminal for electric control, the crane can be driven to move by using the running wheels, and the supporting legs are driven to linearly lift by using the telescopic action of the hydraulic telescopic rods in the additionally arranged stabilizing mechanism, so that the crane can be stably positioned; the two electric hoists drive the lifting plate to lift, and the lifting plate is limited by the sliding action of the limiting sliding block and the limiting sliding groove, so that goods cannot shake due to wind in the lifting process; meanwhile, a driving motor in the additionally arranged adjusting mechanism drives a driving lead screw to rotate, the driving lead screw rotates to drive two sliding blocks to move close to or away from each other at a constant speed on the guide pillar, and then the goods are hung by utilizing the elastic hook, so that the goods with different widths can be conveniently hoisted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a novel double-beam gantry crane according to the present invention;

FIG. 2 is a schematic structural diagram of a stabilizing mechanism in the novel double-beam gantry crane of the present invention;

fig. 3 is a schematic structural diagram of an adjusting mechanism in the novel double-beam portal crane.

In the figure: 1. a lift saddle; 2. fixing a top beam; 3. a lifting plate; 4. a stabilizing mechanism; 401. a transmission frame; 402. a hydraulic telescopic rod; 403. supporting legs; 404. reinforcing ribs; 405. anti-skid foot pads; 5. an adjustment mechanism; 501. a fixing plate; 502. a moving block; 503. a drive motor; 504. driving a lead screw; 505. a guide post; 506. driving the threaded sleeve; 507. a guide sleeve; 508. an elastic hook; 6. a running wheel; 7. a support pillar; 8. a limiting chute; 9. a controller; 10. hoisting the electric hoist; 11. a hoisting rope; 12. and a limiting sliding block.

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.

The embodiment is as follows: as shown in fig. 1-3, a novel double-beam gantry crane comprises two crane saddles 1, two fixed top beams 2 and two crane plates 3, wherein the two crane saddles 1 are provided, traveling wheels 6 are arranged at the bottoms of the crane saddles 1, support columns 7 are fixedly welded at the tops of the two crane saddles 1, the fixed top beams 2 are fixedly welded at the tops of the two support columns 7, a controller 9 is arranged at the tops of the fixed top beams 2, two crane electric hoists 10 are symmetrically arranged at the bottoms of the fixed top beams 2, crane ropes 11 are fixedly connected to the crane electric hoists 10, the crane plate 3 is positioned between the two support columns 7, the other ends of the two crane ropes 11 are fixedly connected with the tops of the crane plates 3, stabilizing mechanisms 4 are arranged at the front and rear sides of the two crane saddles 1, an adjusting mechanism 5 is arranged at the bottom of the crane plate 3, the adjusting mechanism 5 comprises two fixed plates 501 and two moving blocks 502, the two fixed plates 501 are fixedly connected with the left and right sides at the bottom of the crane plate 3, a driving motor 503 is fixedly installed on one fixing plate 501, a driving lead screw 504 is rotatably connected between the two fixing plates 501, the other end of the driving lead screw 504 is fixedly connected with the output end of the driving motor 503, two guide posts 505 are fixedly connected between the two fixing plates 501, the two guide posts 505 are positioned on the outer side of the driving lead screw 504, two moving blocks 502 are symmetrically arranged left and right, a driving threaded sleeve 506 and two guide sleeves 507 are arranged on the moving block 502, the driving threaded sleeve 506 is in threaded connection with the driving lead screw 504, the guide sleeves 507 are in sliding insertion connection with the guide posts 505, and an elastic hook 508 is fixedly connected to the bottom of the moving block 502;

a driver and a storage battery are arranged in the crane saddle 1, and a signal receiving and transmitting module, a GPS positioning module and a Bluetooth module are arranged in the controller 9, so that the crane can be conveniently and remotely controlled; one ends, close to each other, of the two support columns 7 are respectively provided with a longitudinal limiting chute 8, the left end and the right end of the lifting plate 3 are respectively provided with a limiting slide block 12, and the lifting plate 3 is in sliding connection with the limiting chutes 8 through the limiting slide blocks 12 on the two sides, so that the lifting plate 3 is limited in lifting; the stabilizing mechanism 4 comprises transmission frames 401, hydraulic telescopic rods 402 and supporting legs 403, the transmission frames 401 are arranged up and down, one ends of the two transmission frames 401 are rotatably connected with the lifting saddle 1, the other ends of the two transmission frames 401 are rotatably connected with the supporting legs 403, the hydraulic telescopic rods 402 are arranged between the two transmission frames 401, one ends of the hydraulic telescopic rods 402 are rotatably connected with the lifting saddle 1, the other ends of the hydraulic telescopic rods 402 are rotatably connected with the tops of the supporting legs 403, anti-skidding foot pads 405 are fixedly welded at the bottom ends of the supporting legs 403, and a stable positioning effect is achieved before the crane lifts; the transmission frame 401 is in an A shape, and reinforcing ribs 404 are fixedly welded on the transmission frame 401, so that the firmness and the bearing capacity of the transmission frame 401 are improved; the left and right threads on the drive screw 504 have opposite thread directions and the same thread pitch, so that the two moving blocks 502 move toward or away from each other at a constant speed.

Specifically, when the crane is used, the crane is connected with an external terminal for electric control through a wireless transceiver module in the controller 9, the crane can be driven to move by using the running wheels 6, the supporting legs 403 are driven to linearly lift by using the telescopic action of the hydraulic telescopic rods 402 in the additionally arranged stabilizing mechanism 4, and the anti-skid foot pads 405 can be contacted with the ground to stably position the crane; the two electric hoists drive the lifting plate 3 to lift, and the lifting plate 3 is limited by the sliding action of the limiting slide block 12 and the limiting slide groove 8, so that goods cannot shake due to wind in the lifting process; meanwhile, the driving motor 503 in the additionally arranged adjusting mechanism 5 drives the driving lead screw 504 to rotate, the driving lead screw 504 rotates to drive the two slide blocks to move close to or away from each other at a constant speed on the guide post 505, and then the goods are hung by the elastic hook 508, so that the goods with different widths can be conveniently hoisted.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel two roof beam gantry crane which characterized in that: the lifting car comprises two lifting car seats (1), two fixed top beams (2) and two lifting plates (3), wherein the two lifting car seats (1) are respectively provided with a travelling wheel (6) at the bottom of each lifting car seat (1), support columns (7) are respectively fixedly welded at the tops of the two lifting car seats (1), the fixed top beams (2) are fixedly welded at the tops of the two support columns (7), a controller (9) is arranged at the top of each fixed top beam (2), two lifting electric hoists (10) are symmetrically arranged at the bottoms of the fixed top beams (2), lifting ropes (11) are fixedly connected to the lifting electric hoists (10), the lifting plates (3) are positioned between the two support columns (7), the other ends of the lifting ropes (11) are respectively fixedly connected with the tops of the lifting plates (3), and stabilizing mechanisms (4) are respectively arranged at the front side and the rear side of each lifting car seat (1), the bottom of the hoisting plate (3) is provided with an adjusting mechanism (5), the adjusting mechanism (5) comprises two fixing plates (501) and two moving blocks (502), the two fixing plates (501) are fixedly connected to the left side and the right side of the bottom of the hoisting plate (3), one fixing plate (501) is fixedly provided with a driving motor (503), a driving lead screw (504) is rotatably connected between the two fixing plates (501), the other end of the driving lead screw (504) is fixedly connected with the output end of the driving motor (503), two guide posts (505) are fixedly connected between the two fixing plates (501), the two guide posts (505) are positioned on the outer side of the driving lead screw (504), the two moving blocks (502) are arranged in bilateral symmetry, the moving block (502) is provided with a driving threaded sleeve (506) and two guide sleeves (507), and the driving threaded sleeve (506) is in threaded connection with the driving lead screw (504), the guide sleeve (507) is in sliding insertion connection with the guide post (505), and the bottom of the moving block (502) is fixedly connected with an elastic hook (508).

2. A novel double-beam gantry crane according to claim 1, characterized in that: the crane is characterized in that a driver and a storage battery are arranged in the crane seat (1), and a signal receiving and transmitting module, a GPS positioning module and a Bluetooth module are arranged in the controller (9).

3. A novel double-beam gantry crane according to claim 1, characterized in that: two fore-and-aft spacing spout (8) have all been seted up to support column (7) one end of being close to each other, both ends all are equipped with limiting slide block (12) about hoisting plate (3), hoisting plate (3) are through limiting slide block (12) and spacing spout (8) sliding connection of both sides.

4. A novel double-beam gantry crane according to claim 1, characterized in that: stabilizing mean (4) include gear frame (401), hydraulic telescoping rod (402) and supporting leg (403), gear frame (401) is provided with two from top to bottom, two gear frame (401) one end is rotated with jack-up saddle (1) and is connected, two the gear frame (401) other end rotates with supporting leg (403) and is connected, hydraulic telescoping rod (402) are located between two gear frames (401), hydraulic telescoping rod (402) one end rotates with jack-up saddle (1) and is connected, hydraulic telescoping rod (402) other end rotates and is connected with supporting leg (403) top rotation, supporting leg (403) bottom mounting welding has anti-skidding callus on the sole (405).

5. The novel double-beam gantry crane according to claim 4, wherein: the transmission frame (401) is A style of calligraphy, fixed welding has strengthening rib (404) on transmission frame (401).

6. A novel double-beam gantry crane according to claim 1, characterized in that: the thread directions of the left side and the right side of the driving screw rod (504) are opposite, and the thread pitches are the same.