阅读说明：本技术 一种具有缓冲机构的欧式起重机用移动小车 (Mobile trolley with buffer mechanism for European crane ) 是由 梁大伟 于 2021-09-29 设计创作，主要内容包括：本发明公开一种具有缓冲机构的欧式起重机用移动小车,包括移动底座和密封罩,所述密封罩固定安装在移动底座的上部,且移动底座的底部设置有通过电机驱动的脚轮,所述移动底座和密封罩之间设置有用来进行固定调节的组合架,所述移动底座的侧边中部位置设置有用来辅助固定的辅助脚架,所述移动底座的前端活动安装有缓冲柱；利用滑动夹具的设置,令组合架具有多重调节结构,令其可以根据欧式起重机和移动小车的结构做对应的安装调节操作,从而令该欧式起重机用移动小车具有安装调节结构,提升其适用范围,利用辅助脚架的设置,使得该欧式起重机用移动小车具有可调式辅助固定结构,提升该欧式起重机用移动小车适配使用时的安全性。(The invention discloses a movable trolley with a buffer mechanism for a European crane, which comprises a movable base and a sealing cover, wherein the sealing cover is fixedly arranged at the upper part of the movable base, the bottom of the movable base is provided with trundles driven by a motor, a combined frame for fixing and adjusting is arranged between the movable base and the sealing cover, the middle part of the side edge of the movable base is provided with an auxiliary foot stand for auxiliary fixation, and the front end of the movable base is movably provided with a buffer column; utilize sliding fixture's setting, make the built-up frame have multiple regulation structure, make it can do corresponding installation regulation operation according to european style hoist and travelling car's structure to make this european style hoist travelling car have installation regulation structure, promote its application scope, utilize the setting of supplementary foot rest, make this european style hoist travelling car have adjustable supplementary fixed knot structure, promote the security when this european style hoist travelling car adaptation uses.)

1. The utility model provides a travelling car for european style hoist with buffer gear, includes mobile base (2) and sealed cowling (6), sealed cowling (6) fixed mounting is on the upper portion of mobile base (2), and the bottom of mobile base (2) is provided with the truckle through motor drive, its characterized in that, be provided with between mobile base (2) and the sealed cowling (6) and be used for carrying out the combination frame (7) of fixed regulation, the side middle part position of mobile base (2) is provided with and is used for supplementary fixed supplementary foot rest (3), the front end movable mounting of mobile base (2) has bumping post (8).

2. The trolley with the buffering mechanism for the European crane is characterized in that the combined frame (7) comprises a first clamping frame (9) and a second clamping frame (10), and the first clamping frame (9) and the second clamping frame (10) are movably connected through two groups of telescopic columns (11).

3. The trolley with the buffering mechanism for the European crane according to claim 2, wherein the first clamping frame (9) and the second clamping frame (10) are provided at inner sides thereof with cylindrical grooves for mounting the telescopic columns (11), and the first clamping frame (9) and the second clamping frame (10) are provided at side edges thereof with bolts for locking and fixing the telescopic columns (11).

4. The travelling trolley with the buffering mechanism for the European crane is characterized in that the outer surfaces of the first clamping frame (9) and the second clamping frame (10) are movably provided with a sliding clamp (12) for abutting against the sealing cover (6), and the first clamping frame (9), the second clamping frame (10) and the sliding clamp (12) are connected through sliding chutes.

5. The trolley with the buffer mechanism for the European crane according to claim 4, wherein the outer surfaces of the first clamping frame (9) and the second clamping frame (10) are respectively provided with two sets of waist-shaped notches (13) which are matched with gaskets to fix the movable base (2).

6. The travelling trolley with the buffering mechanism for the European crane is characterized in that the sliding clamp (12) comprises a lower clamp plate (14) and an upper clamp plate (15), the upper clamp plate (15) is movably arranged at the upper part of the lower clamp plate (14), the lower clamp plate (14) is butted with the upper clamp plate (15) through clamping grooves, and fastening bolts (16) are sleeved at the middle parts of the lower clamp plate (14) and the upper clamp plate (15).

7. The travelling trolley with the buffering mechanism for the European crane according to claim 1, wherein a fixed block (23) is movably sleeved at one end of the buffering column (8), a spring (17) is installed inside the fixed block (23), and a threaded sleeve rod (18) is movably sleeved at the middle part of one end of the fixed block (23).

8. The mobile trolley with the buffer mechanism for the European crane is characterized in that one side of the auxiliary foot stand (3) is provided with a telescopic block (21), and the auxiliary foot stand (3) is movably connected with the mobile base (2) through the telescopic block (21).

9. The travelling trolley with the buffer mechanism for the European crane according to claim 1, wherein the auxiliary foot rest (3) is provided with a lifting buckle (19) at the lower part thereof, the auxiliary foot rest (3) and the lifting buckle (19) are connected through an inner sleeve plate (20), and one side of the lifting buckle (19) is movably provided with a sliding caster (22).

10. The travelling trolley with the buffering mechanism for the European crane according to claim 1, wherein the upper end of the sealing cover (6) is fixedly provided with the motor (4), the inner side of the sealing cover (6) is movably provided with the winding drum (5), the lower part of the winding drum (5) is provided with the lifting sling (1), and a steel cable is arranged between the winding drum (5) and the lifting sling (1).

Technical Field

The invention belongs to the technical field of cranes, and particularly relates to a movable trolley with a buffer mechanism for an European crane.

Background

The European crane has the advantages of light dead weight, small structure and low energy consumption, the crane span structure is provided with the trolley and the hoisting mechanism, the trolley can run forwards and backwards, the crane runs and other mechanisms, the material object can be conveyed in a three-dimensional space, the European crane adopts a unique design concept, and the European crane has the characteristics of small size, light weight and small wheel pressure.

Patent No. CN204727458U discloses an european style crane trolley, which comprises a trolley frame, wherein the trolley frame is provided with a support frame and a rear axle, the support frame is provided with a driving device, two ends of an output shaft of the driving device are respectively connected with a compensation shaft through spline sleeve couplings, the compensation shafts are respectively connected with wheel axles through couplings, the wheel axles are sequentially provided with a main sprocket and a driving wheel from left to right, the right end of the wheel axle is connected with a coder through a coupling, a protective cover is arranged outside the coder, the rear axle is provided with a driven sprocket and a driven wheel, the front end of the trolley frame is provided with a protective guard and an anti-collision device.

The conventional movable trolley for the European crane with the buffer mechanism has certain defects in the use process, and the conventional movable trolley for the European crane does not have an installation and adjustment structure, so that the movable trolley for the European crane can only be suitable for European cranes of corresponding models, and the application range of the movable trolley for the European crane is reduced; secondly, the traditional moving trolley for the European crane does not have an auxiliary limiting structure, so that the moving trolley for the European crane is easy to derail when in use, and the safety is poor; meanwhile, the traditional mobile trolley for the European crane does not have a buffer protection structure, so that the stability of the mobile trolley during use is reduced, and certain adverse effects are brought to a user.

Disclosure of Invention

The invention aims to provide a travelling trolley with a buffer mechanism for an European crane, which can solve the existing problems.

The invention solves the problems that:

1. the traditional movable trolley for the European crane does not have an installation and adjustment structure, so that the application range of the movable trolley is reduced, and the movable trolley cannot be suitable for European cranes of different models;

2. the traditional mobile trolley for the European crane does not have an auxiliary fixing structure, so that the phenomenon of derailment is easy to occur, and the safety of the traditional mobile trolley for the European crane is reduced;

3. the travelling car for the traditional European style crane does not have a buffering protection structure, so that the stability of the travelling car for the European style crane in use is reduced.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a travelling car for european style hoist with buffer gear, includes mobile base and sealed cowling, sealed cowling fixed mounting is on the upper portion of mobile base, and the bottom of mobile base is provided with the truckle through motor drive, be provided with the combined bay that is used for carrying out fixed regulation between mobile base and the sealed cowling, the side middle part position of mobile base is provided with the supplementary foot rest that is used for supplementary fixed, the front end movable mounting who removes the base has the cushion column.

As a further technical scheme of the invention, the combined rack comprises a first clamping frame and a second clamping frame, the first clamping frame and the second clamping frame are movably connected through two groups of telescopic columns, when the combined rack is used, a user can pull the first clamping frame and the second clamping frame of the combined rack according to the sizes of the movable base and the sealing cover, so that the telescopic columns are drawn out from the space between the first clamping frame and the second clamping frame, and the use size of the combined rack is adjusted.

As a further technical solution of the present invention, the inner sides of the first clamping frame and the second clamping frame are both provided with a cylindrical groove for installing the telescopic column, and the side edges of the first clamping frame and the second clamping frame are both provided with a bolt for locking and fixing the telescopic column, when the telescopic column is used, the telescopic column can perform a telescopic adjustment function by using the pair of cylindrical grooves, and simultaneously, after the telescopic column is adjusted, the telescopic column can be locked and fixed on the first clamping frame and the second clamping frame by using the bolt.

As a further technical scheme of the invention, sliding fixtures for butting the sealing covers are movably mounted on the outer surfaces of the first clamping frame and the second clamping frame, the first clamping frame, the second clamping frame and the sliding fixtures are connected through sliding chutes, when mounting operation is carried out among the first clamping frame, the second clamping frame and the sealing cover, the sliding fixtures can be moved on the first clamping frame and the second clamping frame through the sliding chutes, and after hole sites of the sliding fixtures and the sealing cover are aligned with each other, fastening bolts are inserted to complete locking and fixing operation of the sliding fixtures and the sealing cover.

As a further technical scheme of the invention, two groups of waist-shaped notches which are matched with gaskets to fix the movable base are formed in the outer surfaces of the first clamping frame and the second clamping frame, the installation of the first clamping frame and the second clamping frame can be fixed by matching bolts with the gaskets through the arrangement of the waist-shaped notches, and the installation positions of the first clamping frame and the second clamping frame can be properly adjusted through the self structures of the waist-shaped notches.

As a further technical scheme, the sliding clamp comprises a lower clamp plate and an upper clamp plate, the upper clamp plate is movably mounted at the upper part of the lower clamp plate, the lower clamp plate and the upper clamp plate are in butt joint through a clamping groove, a fastening bolt is sleeved at the middle parts of the lower clamp plate and the upper clamp plate, when the sliding clamp is used, the lower clamp plate and the upper clamp plate can be locked through inserting the fastening bolt, so that shells of the first clamping frame and the second clamping frame are clamped between the lower clamp plate and the upper clamp plate, and the sliding clamp is prevented from loosening.

As a further technical scheme of the invention, one end of the buffering column is movably sleeved with a fixed clamping block, a spring is arranged in the fixed clamping block, the middle part of one end of the fixed clamping block is movably sleeved with a threaded sleeve rod, when the buffering column is used, a user can extrude the spring by rotating the threaded sleeve rod, so that the hardness degree of the spring is adjusted, and when the buffering column is impacted, the spring can play an elastic buffering role on the buffering column.

As a further technical scheme of the invention, one side of the auxiliary foot rest is provided with a telescopic block, the auxiliary foot rest is movably connected with the movable base through the telescopic block, when the auxiliary foot rest is used, the mounting position of the auxiliary foot rest can be adjusted by utilizing the telescopic block, so that the auxiliary foot rest can be correspondingly adjusted according to the position of a cross beam of the European crane, and meanwhile, after the telescopic block moves, the telescopic block and the movable base can be locked and fixed through a locking bolt, so that the phenomenon of looseness of the telescopic block is avoided.

According to a further technical scheme of the invention, the lower part of the auxiliary foot rest is provided with the lifting buckle, the auxiliary foot rest is connected with the lifting buckle through the inner sleeve plate, one side of the lifting buckle is movably provided with the sliding caster, the distance between the auxiliary foot rest and the lifting buckle can be adjusted by utilizing the arrangement of the inner sleeve plate, the sliding caster is clamped at the bottom of the cross beam, and the movable trolley for the European crane has an auxiliary fixing function and is prevented from falling off.

As a further technical scheme of the invention, the upper end of the sealing cover is fixedly provided with a motor, the inner side of the sealing cover is movably provided with a winding drum, the lower part of the winding drum is provided with a lifting sling, a steel cable is arranged between the winding drum and the lifting sling, the output end of the motor is connected with the winding drum through a chain matched with a gear, the lifting sling comprises a lifting hook and a pulley, when in use, the motor is started to drive the winding drum to rotate through the chain matched with the gear, and the winding drum completes the lifting operation of the lifting sling through the steel cable matched with the pulley.

The invention has the beneficial effects that:

1. through the arrangement of the combined frame, when the movable trolley with the buffer mechanism for the European crane is used for installation operation, a user can adjust the distance between two groups of movable bases according to the size of the European crane, when the movable bases are butted, the user can pull the first clamping frame and the second clamping frame of the combined frame to draw out the telescopic column from the space between the first clamping frame and the second clamping frame, so as to adjust the use size of the combined frame, the installation of the first clamping frame and the second clamping frame can be fixed by matching bolts with gaskets, the installation position of the first clamping frame and the second clamping frame can be properly adjusted through the self structure of the waist-shaped notches, and then the installation operation of the movable bases at different positions can be completed by utilizing the position adjustment of the first clamping frame and the second clamping frame, so as to adjust the use position of the movable bases, so that the movable bases can be correspondingly adjusted according to the beam structure of the European crane, when the combined frame and the sealing cover provided with the lifting sling are in butt joint operation, a user can move the sliding clamp on the first clamping frame and the second clamping frame by utilizing the sliding groove according to butt joint hole positions at the bottom of the sealing cover, after the sliding clamp is aligned with the hole positions of the sealing cover, the fastening bolt is inserted, the locking and fixing operation of the sliding clamp and the sealing cover is completed, the combined frame is made to have a multiple adjusting structure by utilizing the arrangement of the sliding clamp, the combined frame is made to be capable of performing corresponding installation and adjustment operation according to the structure of the European crane and the structure of the movable trolley, and therefore the movable trolley for the European crane is made to have an installation and adjustment structure, and the application range of the movable trolley is enlarged.

2. By arranging the auxiliary foot rest, when the movable trolley for the European crane with the buffer mechanism is used, a user can loosen the telescopic block and the movable base of the auxiliary foot rest through bolts according to the position of the cross beam, pull the auxiliary foot rest to draw the telescopic block out of the movable base, so as to transversely adjust the position of the auxiliary foot rest, so that the adjusted auxiliary foot rest can be suitable for cross beam structures with different widths, secondly, the user can draw the inner sleeve plate out of the auxiliary foot rest through pulling the lifting buckle according to the thickness of the cross beam, so that the lifting buckle drives the sliding trundles to move downwards, so as to adjust the distance between the auxiliary foot rest and the lifting buckle, clamp the sliding trundles at the bottom of the cross beam, play an auxiliary fixing role on the movable trolley for the European crane, avoid the falling phenomenon of the movable trolley for the European crane, and utilize the arrangement of the auxiliary foot rest to ensure that the movable trolley for the European crane has an adjustable auxiliary fixing structure, promote the security when this travelling car adaptation for european style hoist uses.

3. Through setting up buffering post and threaded sleeve pole, when this travelling car for european style hoist with buffer gear used, the user can be according to the user demand, through rotating threaded sleeve pole extrusion spring, when the thread bush removes, the removal that utilizes the thread bush can extrude the operation to the one end of spring, thereby adjust spring's soft or hard degree, when buffering post striking, utilize the spring to play the elastic buffer effect to the buffering post, when this travelling car for european style hoist removed, utilize the buffering post to reduce the impact force when the travelling car collides, make it have buffering protection architecture.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the overall structure of a travelling trolley for a European crane according to the invention, which is provided with a buffer mechanism;

FIG. 2 is an overall structure diagram of a combined frame in a mobile trolley for a European crane, which is provided with a buffer mechanism, according to the invention;

FIG. 3 is an overall view of a slide jig of a traveling car for a European crane according to the present invention, which has a buffer mechanism;

FIG. 4 is an overall structure diagram of a fixed fixture block in the movable trolley for the European crane, which is provided with a buffer mechanism, according to the invention;

fig. 5 is an overall structure view of an auxiliary stand in the travelling car for the european crane according to the present invention.

In the figure: 1. lifting the lifting tool; 2. moving the base; 3. an auxiliary foot rest; 4. an electric motor; 5. winding the reel; 6. a sealing cover; 7. a combined rack; 8. a buffer column; 9. a first card frame; 10. a second card frame; 11. a telescopic column; 12. a sliding jig; 13. a waist-shaped notch; 14. a lower splint; 15. an upper splint; 16. fastening bolts; 17. a spring; 18. a threaded rod; 19. lifting buckles; 20. an inner race plate; 21. a telescopic block; 22. a sliding caster; 23. and fixing the clamping block.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-5, the mobile trolley with the buffer mechanism for the european crane comprises a mobile base 2 and a sealing cover 6, wherein the sealing cover 6 is fixedly installed on the upper portion of the mobile base 2, casters driven by a motor are arranged at the bottom of the mobile base 2, a combined frame 7 for fixing and adjusting is arranged between the mobile base 2 and the sealing cover 6, an auxiliary foot rest 3 for auxiliary fixing is arranged in the middle of the side edge of the mobile base 2, and a buffer column 8 is movably installed at the front end of the mobile base 2.

Example 1

The combined frame 7 comprises a first clamping frame 9 and a second clamping frame 10, the first clamping frame 9 and the second clamping frame 10 are movably connected through two groups of telescopic columns 11, when the combined frame 7 is used, a user can pull the first clamping frame 9 and the second clamping frame 10 of the combined frame 7 according to the size of the movable base 2 and the sealing cover 6, so that the telescopic columns 11 are pulled out from the space between the first clamping frame 9 and the second clamping frame 10, and the use size of the combined frame 7 is adjusted.

The cylindrical groove that is used for installing flexible post 11 usefulness is all seted up to the inboard of first card frame 9 and second card frame 10, and the bolt that is used for locking fixed flexible post 11 is all installed to the side of first card frame 9 and second card frame 10, when flexible post 11 uses, utilizes the setting of cylindrical groove pair, can be so that flexible post 11 plays flexible regulation's effect, simultaneously after flexible post 11 adjusts, utilize the bolt to play the fixed effect of locking to flexible post 11 on first card frame 9 and second card frame 10.

The outer surface of the first clamping frame 9 and the second clamping frame 10 is movably provided with a sliding clamp 12 used for abutting against the sealing cover 6, the first clamping frame 9, the second clamping frame 10 and the sliding clamp 12 are connected through a sliding groove, when the first clamping frame 9, the second clamping frame 10 and the sealing cover 6 are installed and operated, the sliding clamp 12 can be moved on the first clamping frame 9 and the second clamping frame 10 through the sliding groove, after the sliding clamp 12 and the hole positions of the sealing cover 6 are aligned with each other, a fastening bolt 16 is inserted, and the locking and fixing operations of the sliding clamp 12 and the sealing cover 6 are completed.

Example 2

Two sets of cooperation gaskets of the surface of first calorie of frame 9 and second card frame 10 have all been seted up and have been carried out waist type notch 13 fixed to moving base 2, utilize the setting of waist type notch 13, can play the fixed action through the installation of bolt cooperation gasket to first calorie of frame 9 and second card frame 10, through waist type notch 13 self structure, can suitably adjust its mounted position.

Sliding fixture 12 includes lower plate 14 and punch holder 15, punch holder 15 movable mounting is on the upper portion of lower plate 14, dock through the draw-in groove between lower plate 14 and the punch holder 15, and fastening bolt 16 has been cup jointed in the middle part of lower plate 14 and punch holder 15, and when sliding fixture 12 used, through inserting fastening bolt 16, can lock between lower plate 14 and the punch holder 15 to with the casing chucking of first card frame 9 and second card frame 10 between lower plate 14 and punch holder 15, avoid sliding fixture 12 the not hard up phenomenon to appear.

Example 3

Fixed fixture block 23 has been cup jointed in the one end activity of buffering post 8, and the internally mounted of fixed fixture block 23 has spring 17, and threaded loop bar 18 has been cup jointed in the activity of the one end middle part of fixed fixture block 23, and when buffering post 8 used, the user can extrude spring 17 through the one end that rotates threaded loop bar 18 to adjusting spring 17's soft or hard degree, when buffering post 8 striking, utilizes spring 17 to play the elastic buffer effect to buffering post 8.

One side of supplementary foot rest 3 is provided with flexible piece 21, supplementary foot rest 3 and remove through flexible piece 21 swing joint between the base 2, when supplementary foot rest 3 uses, utilize flexible piece 21 can adjust supplementary foot rest 3's mounted position to make supplementary foot rest 3 can do corresponding regulation according to the crossbeam position of european style hoist, remove the back at flexible piece 21 simultaneously, can be with flexible piece 21 and remove between the base 2 locking fixedly through the fitting pin, avoid flexible piece 21 to appear not hard up phenomenon.

Lifting buckle 19 is installed to the lower part of supplementary foot rest 3, connects through interior lagging 20 between supplementary foot rest 3 and the lifting buckle 19, and one side movable mounting of lifting buckle 19 has slip truckle 22, utilizes the setting of interior lagging 20, can adjust the distance between supplementary foot rest 3 and the lifting buckle 19, with slip truckle 22 card in the bottom of crossbeam, plays supplementary fixed action to this travelling car for european style hoist, avoids its emergence obscission.

The upper end fixed mounting of sealed cowling 6 has motor 4, and the inboard movable mounting of sealed cowling 6 has winding drum 5, lifting sling 1 is installed to winding drum 5's lower part, be equipped with the steel cable between winding drum 5 and the lifting sling 1, motor 4's output and winding drum 5 between through chain cooperation gear connection, lifting sling 1 is including lifting hook and pulley, pass through starter motor 4 when using, make motor 4 pass through chain cooperation gear, drive winding drum 5 and rotate, winding drum 5 accomplishes the lift operation to lifting sling 1 through steel cable cooperation pulley.

When the movable trolley with the buffer mechanism for the European crane is used, the combined frame 7 is arranged, when the movable trolley with the buffer mechanism for the European crane is installed and operated, a user can adjust the distance between the two groups of movable bases 2 according to the size of the European crane, when the movable bases 2 are butted, the user can pull the first clamping frame 9 and the second clamping frame 10 of the combined frame 7, so that the telescopic column 11 is drawn out from between the first clamping frame 9 and the second clamping frame 10, the use size of the combined frame 7 is adjusted, the waist-shaped notches 13 on the first clamping frame 9 and the second clamping frame 10 are arranged, the first clamping frame 9 and the second clamping frame 10 can be fixedly installed through bolts matched with gaskets, and the installation position of the movable trolley can be properly adjusted through the self structure of the waist-shaped notches 13;

secondly, the installation operation of the movable bases 2 at different positions can be completed by utilizing the position adjustment of the first clamping frame 9 and the second clamping frame 10, so that the use position of the movable base 2 can be adjusted, the movable base can be correspondingly adjusted according to the beam structure of the European crane, when the combined frame 7 and the sealing cover 6 provided with the lifting sling 1 are in butt joint operation, a user can move the sliding clamp 12 on the first clamping frame 9 and the second clamping frame 10 by utilizing a sliding chute according to butt joint hole positions at the bottom of the sealing cover 6, and after the sliding clamp 12 and the hole positions of the sealing cover 6 are aligned with each other, the fastening bolt 16 is inserted to complete the locking and fixing operation of the sliding clamp 12 and the sealing cover 6;

by utilizing the arrangement of the sliding clamp 12, the combined frame 7 has a multiple-adjustment structure, so that the combined frame can be correspondingly installed and adjusted according to the structures of the European crane and the movable trolley, and the movable trolley for the European crane has an installation and adjustment structure, so that the application range of the movable trolley for the European crane is widened;

by arranging the auxiliary foot rest 3, when the movable trolley with the buffer mechanism for the European crane is used, a user can loosen the telescopic block 21 of the auxiliary foot rest 3 and the movable base 2 through bolts according to the position of a cross beam, pull the auxiliary foot rest 3 and draw the telescopic block 21 out of the movable base 2, so that the position of the auxiliary foot rest 3 is transversely adjusted, and the adjusted auxiliary foot rest 3 can be suitable for cross beam structures with different widths;

secondly, a user can pull the inner sleeve plate 20 out of the auxiliary foot rest 3 by pulling the lifting buckle 19 according to the thickness of the cross beam, so that the lifting buckle 19 drives the sliding caster 22 to move downwards, the distance between the auxiliary foot rest 3 and the lifting buckle 19 is adjusted, the sliding caster 22 is clamped at the bottom of the cross beam, an auxiliary fixing effect is achieved on the mobile trolley for the European crane, the phenomenon of falling off of the mobile trolley is avoided, the mobile trolley for the European crane is provided with an adjustable auxiliary fixing structure by means of the auxiliary foot rest 3, and the safety of the mobile trolley for the European crane in adaptive use is improved;

through setting up buffering post 8 and threaded sleeve pole 18, when this travelling car for european style hoist with buffer gear used, the user can be according to the user demand, through rotating 18 extrusion springs 17 of threaded sleeve pole, when the thread bush removes, the removal that utilizes the thread bush can extrude the operation to spring 17's one end, thereby adjusting spring 17's soft or hard degree, when 8 clashes into of buffering post, utilize spring 17 can play the elastic buffer effect to buffering post 8, when this travelling car for european style hoist removes, utilize buffering post 8 can reduce the impact force when the travelling car collides, make it have buffering protection architecture.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.