CN219950288U

CN219950288U - Double-beam four-rail European crane

Info

Publication number: CN219950288U
Application number: CN202321409949.8U
Authority: CN
Inventors: 唐国力; 卢胜波; 杨波; 孙勋敏; 卢胜超
Original assignee: Dandong Crane Machinery Co ltd
Current assignee: Dandong Crane Machinery Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-03
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a double-beam four-rail European crane, which relates to the technical field of cranes, in particular to a double-beam four-rail European crane. Through the cooperation setting of track and lower track, make this two roof beam four-rail European hoist possess the intensity that improves the main beam through the track need not to add thick girder and then can avoid girder quality increase and the effect that the cost improves, through the cooperation setting of travelling car assembly, the optical axis, stabilizing frame assembly and compression spring, make this two roof beam four-rail European hoist possess stability improvement but the two roof beam interval need not to widen and then practice thrift the effect in space, through the cooperation setting of optical axis, compression spring and stabilizing frame assembly, make this two roof beam four-rail European hoist possess the effect of noise reduction.

Description

Double-beam four-rail European crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a double-beam four-rail European crane.

Background

The double-beam European crane is widely applied in a factory building, is mainly composed of a large truck and a crane trolley because of small size and light weight, is mainly composed of a double-beam type or a single-beam type, is provided with two guide rails, is arranged between the two guide rails, and is better in stability and higher in strength compared with the single-beam type, wherein the common method for further improving the stability of the double-beam type crane is to enlarge the space between the double beams but increase occupied space, the common method for improving the strength is to thicken the main beam but increase the mass of the main beam and increase the cost, and the common method is to easily slip to generate harshness when the friction force between a travelling wheel and a rail is insufficient when the crane is not used under the double-beam type or the single-beam type crane, and meanwhile, the crane trolley is simply placed on the rail and is easy to jump upwards and generate vibration to cause high noise when in high-speed idle running.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a double-beam four-rail European crane, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a double-beam four-rail European crane, including the end beam, fixed mounting has the I-shaped girder between the end beam, the upper surface fixed mounting of I-shaped girder has the upper rail, the lower surface fixed mounting of I-shaped girder has the lower rail, the top of upper rail is provided with the lifting trolley assembly, the lifting trolley assembly includes the main part support, the internally mounted of main part support has electric hoist, the dolly wheel is installed to the both sides of main part support, the motor of driving dolly wheel is installed to the inboard of main part support, the below fixed mounting of main part support has the optical axis, the below of optical axis is provided with the stabilizer assembly, the stabilizer assembly includes the stabilizer main part, the both sides of stabilizer main part are provided with the stabilizer wheel, the inside fixed mounting that the stabilizer main part is close to four corners has cup joints the linear bearing at the optical axis surface, the compression spring of upwards jack-up the stabilizer assembly has been cup jointed to the lower extreme of optical axis.

Preferably, the I-shaped steel girder comprises two I-shaped steel side by side, and the centre of the upper and lower surface of each I-shaped steel is all fixed mounting has the track, and two roof beams install four tracks altogether, and go up track and lower track up and down symmetry.

Preferably, the trolley wheels are distributed in a rectangular shape, the trolley assembly moves above the two upper rails through the four trolley wheels, and the rotating shaft of one trolley wheel and the motor is provided with gears meshed with each other.

Preferably, the trolley assembly moves synchronously by dragging the stabilizing frame assembly through the optical axis when moving above the upper rail, and the optical axis is in clearance fit with the linear bearing.

Preferably, the number of the stabilizer trolley wheels is four, the stabilizer trolley wheels are distributed in a rectangular shape, and the compression springs jack up the stabilizer assembly upwards through elasticity, so that the stabilizer trolley wheels are in contact with the lower rail and have certain pressure.

Preferably, the lifting hook below the electric hoist can freely pass through the middle part of the stabilizing frame main body, the spacing between the stabilizing frame traveling wheels is larger than the spacing between the trolley traveling wheels in the length direction of the H-shaped steel main beam, and all the trolley traveling wheels are arranged between the stabilizing frame traveling wheels when seen from the projection direction of the top view.

(III) beneficial effects

The utility model provides a double-beam four-rail European crane, which has the following beneficial effects:

1. this two roof beam four-rail European style crane sets up through the cooperation of last track and lower track, makes this two roof beam four-rail European style crane possess the intensity that improves the main beam through the track need not to add thick girder and then can avoid girder quality increase and the effect that the cost improves, installs two sets of upper and lower tracks of upper and lower symmetry in the upper and lower below of two roof beams, and upper track and lower track are equivalent to the strengthening rib and improve the intensity of two roof beams.

2. This two roof beam four-rail European style hoist through the cooperation setting of travelling bogie assembly, optical axis, steady rest assembly and compression spring, makes this two roof beam four-rail European style hoist possess stability improvement but the double-beam interval need not to widen and then practice thrift the effect in space, and the travelling bogie assembly is back-off in the below of girder with steady rest assembly through optical axis cooperation compression spring for travelling bogie assembly and steady rest assembly form a cube of parcel girder, can avoid the travelling bogie assembly operation in-process derailment greatly, realized need not to widen the double-beam interval just can improve stability and reach the effect in space saving.

3. This double-beam four-rail European crane, through the cooperation setting of optical axis, compression spring and steady rest assembly, make this double-beam four-rail European crane possess the effect of noise reduction, cooperation through optical axis and compression spring is with steady rest assembly back-off in the below of girder, simultaneously give the lifting trolley assembly a downward and have certain elastic pulling force through the optical axis, vibration noise reduction that produces when this pulling force can eliminate lifting trolley assembly idle fast operation, increase the frictional force of lifting trolley assembly and guide rail and reduce the skidding and then noise reduction that starts to produce simultaneously.

Drawings

FIG. 1 is a schematic view of the overall perspective view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic diagram of a top view of the present utility model;

FIG. 4 is a schematic view of the bottom view of the present utility model;

fig. 5 is a schematic view of a partial perspective view of the present utility model.

In the figure: 1. an end beam; 2. an I-shaped steel girder; 3. an upper rail; 4. a lower rail; 5. a trolley assembly; 501. a main body bracket; 502. an electric hoist; 503. a trolley wheel; 504. a motor; 6. an optical axis; 7. a stabilizer assembly; 701. a stabilizer body; 702. a steady rest running wheel; 703. a linear bearing; 8. compressing the spring.

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.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the double-beam four-rail European crane comprises end beams 1, wherein an I-shaped steel girder 2 is fixedly arranged between the end beams 1, the end beams 1 are used for supporting and driving the I-shaped steel girder 2, an upper rail 3 is fixedly arranged on the upper surface of the I-shaped steel girder 2, a lower rail 4 is fixedly arranged on the lower surface of the I-shaped steel girder 2, the I-shaped steel girder 2 consists of two side-by-side I-shaped steels, four rails are fixedly arranged in the middle of the upper surface and the lower surface of each I-shaped steel girder, namely, the two beams are totally provided with four rails, the upper rail 3 and the lower rail 4 are vertically symmetrical, the strength of the I-shaped steel girder 2 can be improved through the upper rail 3 and the lower rail 4, a trolley assembly 5 is arranged above the upper rail 3, the trolley assembly 5 comprises a main body bracket 501, an electric hoist 502 is arranged in the main body bracket 501, trolley wheels 503 are arranged on two sides of the main body bracket 501, the inner side of the main body bracket 501 is provided with a motor 504 for driving trolley wheels 503, the number of the trolley wheels 503 is four, the trolley wheels 503 are distributed in a rectangular shape, the trolley assembly 5 moves above two upper rails 3 through the four trolley wheels 503, one trolley wheel 503 and the rotating shaft of the motor 504 are provided with gears meshed with each other, the lower part of the main body bracket 501 is fixedly provided with an optical axis 6, the lower part of the optical axis 6 is provided with a stabilizer assembly 7, the stabilizer assembly 7 comprises a stabilizer main body 701, two sides of the stabilizer main body 701 are provided with stabilizer wheels 702, the inner part of the stabilizer main body 701 close to four corners is fixedly provided with a linear bearing 703 sleeved on the outer surface of the optical axis 6, the lower end of the optical axis 6 is sleeved with a compression spring 8 for jacking the stabilizer assembly 7 upwards, the trolley assembly 5 drags the stabilizer assembly 7 to synchronously move through the optical axis 6 when moving above the upper rails 3, the optical axis 6 is in clearance fit with the linear bearings 703, the number of the stabilizing frame running wheels 702 is four, the stabilizing frame running wheels 702 are distributed in a rectangular shape, the compression springs 8 jack up the stabilizing frame running wheels 7 upwards through elasticity, so that the stabilizing frame running wheels 702 are in contact with the lower track 4 and have certain pressure, the lifting hooks below the electric hoist 502 can freely pass through the middle part of the stabilizing frame main body 701, the distance between the stabilizing frame running wheels 702 in the length direction of the I-shaped steel girder 2 is larger than the distance between the trolley running wheels 503, all the trolley running wheels 503 are arranged between the stabilizing frame running wheels 702 in the projection direction of the top view, the lifting trolley assembly 5 is increased by the action of the elasticity of the compression springs 8, vibration in the running process of the lifting trolley assembly 5 can be eliminated to a certain extent, noise is reduced, and meanwhile, the I-shaped steel girder 2 can be clamped from top to bottom through the action of the elasticity of the springs, so that the lifting frame running wheels 2 can be prevented from derailing.

When in use, the upper rail 3 and the lower rail 4 are respectively and fixedly arranged above and below the I-shaped steel girder 2, the end beam 1 and the I-shaped steel girder 2 are further fixedly connected and arranged above a factory building, the trolley assembly 5 is further arranged above the two upper rails 3, the trolley assembly 5 is further debugged to enable the trolley assembly to normally run, namely, the trolley assembly can move above the upper rails 3 and can hoist a heavy object through the electric hoist 502, the stabilizer assembly 7 is further lifted upwards through the electric hoist 502, when the stabilizer assembly 7 is close to the bottom of the I-shaped steel girder 2, the angle of the stabilizer assembly 7 is adjusted, then the trolley assembly is slowly lifted upwards, all optical axes 6 are inserted into the linear bearings 703, finally, the trolley assembly is lifted upwards until the stabilizer trolley wheels 702 are contacted with the lower rails 4, the electric hoist 502 is stopped, the compression spring 8 is further arranged below the optical axis 6, the compression spring 8 is compressed and deformed to generate elastic force in the process of arranging the compression spring 8, the elastic force jacks up the stabilizing frame assembly 7 to be in contact with the lower rail 4, meanwhile, the optical axis 6 also gives a relative pulling force to the lifting trolley assembly 5, the pulling force can eliminate vibration reduction noise generated when the lifting trolley assembly 5 runs in an idle state and fast speed due to the fact that the pulling force is generated through the compression spring 8 and then has certain elasticity, meanwhile, the friction force between the lifting trolley assembly 5 and a guide rail is increased to reduce slipping generated by starting and further reduce noise, the upper rail 3 and the lower rail 4 which are symmetrical up and down are arranged on the upper side and the lower side of the I-shaped steel girder 2, the strength of the double girder is improved by the upper rail 3 and the lower rail 4 which are equivalent to reinforcing ribs, and finally the lifting trolley assembly and the stabilizing frame assembly 7 form a cube for wrapping a girder, derailment during operation of the trolley assembly 5 can be avoided greatly.

In summary, the two groups of upper rails 3 and lower rails 4 which are vertically symmetrical are installed on the upper and lower sides of the double beams, the upper rails 3 and the lower rails 4 are equivalent to reinforcing ribs to improve the strength of the double beams, the stabilizing frame assembly 7 is reversely buckled below the main beam through the optical axis 6 matched with the compression spring 8, so that the lifting trolley assembly 5 and the stabilizing frame assembly 7 form a cube wrapping the main beam, derailment of the lifting trolley assembly 5 in the running process can be greatly avoided, the effect of saving space is achieved by improving the stability without widening the distance between the double beams, the stabilizing frame assembly 7 is reversely buckled below the main beam through the cooperation of the optical axis 6 and the compression spring 8, meanwhile, the vibrating noise generated when the lifting trolley assembly 5 runs in an idle state and fast can be eliminated through the optical axis 6, and the friction force between the lifting trolley assembly 5 and the guide rail is reduced, so that the slipping noise generated when the lifting trolley assembly 5 starts is reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Double-beam four-rail European crane, comprising an end beam (1), characterized in that: the utility model discloses a compression spring compression device, including end beam (1), including fixed mounting, jack-up trolley assembly (5), including end beam (1), I-shaped steel girder (2) are installed between fixed mounting, upper surface fixed mounting of I-shaped steel girder (2) has last track (3), lower surface fixed mounting of I-shaped steel girder (2) has lower track (4), the top of going up track (3) is provided with jack-up trolley assembly (5), jack-up trolley assembly (5) include main part support (501), internally mounted of main part support (501) has electric hoist (502), dolly wheel (503) are installed to the both sides of main part support (501), motor (504) of drive dolly wheel (503) are installed to the inboard of main part support (501), optical axis (6) are installed to the below fixed mounting of main part support (501), the below of optical axis (6) is provided with stabilizing frame assembly (7), stabilizing frame assembly (7) include stabilizing frame main part (701), the both sides of stabilizing frame main part (701) are provided with stabilizing frame wheel (702), the inside fixed mounting that is close to four optical axis is cup jointed in the linear bearing (703) of outer surface of optical axis (6), the jack-up spring (8) are cup jointed up to stabilizing frame assembly (7).

2. The double-girder four-rail euro crane of claim 1, wherein: the I-shaped steel girder (2) is composed of two I-shaped steels side by side, the middle of the upper surface and the lower surface of each I-shaped steel is fixedly provided with a track, namely, two girders are provided with four tracks altogether, and the upper track (3) and the lower track (4) are vertically symmetrical.

3. The double-girder four-rail euro crane of claim 1, wherein: the number of the trolley wheels (503) is four, the trolley wheels (503) are distributed in a rectangular shape, the lifting trolley assembly (5) moves above the two upper rails (3) through the four trolley wheels (503), and the rotating shaft of one trolley wheel (503) and the rotating shaft of the motor (504) are provided with gears meshed with each other.

4. The double-girder four-rail euro crane of claim 1, wherein: and when the trolley assembly (5) moves above the upper rail (3), the stabilizing frame assembly (7) is dragged to synchronously move through the optical axis (6), and the optical axis (6) is in clearance fit with the linear bearing (703).

5. The double-girder four-rail euro crane of claim 1, wherein: the number of the stabilizer trolley wheels (702) is four, the stabilizer trolley wheels are distributed in a rectangular shape, and the compression springs (8) jack up the stabilizer assembly (7) upwards through elasticity so that the stabilizer trolley wheels (702) are in contact with the lower track (4) and have certain pressure.

6. The double-girder four-rail euro crane of claim 1, wherein: the lifting hook below the electric hoist (502) can freely pass through the middle part of the stabilizing frame main body (701), the distance between the stabilizing frame running wheels (702) is larger than the distance between the trolley running wheels (503) in the length direction of the I-shaped steel main beam (2), and all the trolley running wheels (503) are arranged between the stabilizing frame running wheels (702) in the projection direction of the top view.