CN218640636U - Duplex bearing hinge type is in passenger train chassis drag commentaries on classics device - Google Patents

Abstract

The utility model relates to a duplex bearing hinge type drags commentaries on classics device in passenger train chassis, including the chassis supporting seat, fork tooth supporting seat and set up in duplex bearing hinge mechanism between the two, duplex bearing hinge mechanism includes thrust bearing, ball bearing and rigidity axle, and thrust bearing and ball bearing assemble respectively in the upper end and the lower extreme of rigidity axle, rigidity epaxial end fixed connection in chassis supporting seat bottom, and the lower extreme runs through and extends fork tooth supporting seat, and thrust bearing locates between chassis supporting seat and the fork tooth supporting seat through first bearing, and fork tooth supporting seat bottom is located through the second bearing to the ball bearing. The utility model solves the problem that the chassis of the unpowered train can not turn through the combination of the thrust bearing and the ball bearing and the transmission of practical traction force and turning moment; and can directly utilize the current fork truck in factory as the utility model discloses a pull power, promote the utilization ratio of circulation efficiency and resource in the factory.

Description

Duplex bearing hinge type is in passenger train chassis drag commentaries on classics device

Technical Field

The utility model relates to a frock technical field is made to the passenger train, and more specifically says and indicates a duplex bearing hinge type drags commentaries on classics device in passenger train chassis.

Background

In the current passenger car manufacturing process, for the moving towing and rotating of the unpowered finished vehicle, the towing vehicle is usually matched with a towing hook or a towing ball and a vehicle steering wheel to realize the moving towing and rotating. However, for the chassis in the factory, the corresponding steering wheel is not equipped, so the scheme is not applicable, and 2 key bottlenecks which restrict the improvement of the production efficiency are derived in the circulation process of the chassis in the factory because the chassis of the passenger car and the framework of the car body are two separated large components. Firstly, the workshop structure determines that the turning space across the workshop is limited, and the chassis is in an unpowered state and is not provided with a steering wheel, so that the steering is difficult; secondly, the supporting and moving steering is realized by adopting a special steering-free chassis tractor, the resource investment is large, and the manufacturing cost of the vehicle is increased.

Disclosure of Invention

The utility model provides a duplex bearing hinge type drags commentaries on classics device at passenger train chassis to solve and turn to the problem of chassis in the limited space of turning at the nothing.

The utility model adopts the following technical scheme:

the utility model provides a duplex bearing hinge type drags commentaries on classics device in passenger train chassis, includes chassis supporting seat, fork tooth supporting seat and duplex bearing hinge mechanism, the chassis supporting seat is located fork tooth supporting seat top, duplex bearing hinge mechanism includes thrust bearing, ball bearing and rigidity axle, thrust bearing and ball bearing assemble respectively in the upper end and the lower tip of rigidity axle, rigidity axle one end fixed connection in chassis supporting seat bottom, the other end run through and extend fork tooth supporting seat, thrust bearing through first bearing frame set up in between chassis supporting seat and the fork tooth supporting seat, ball bearing pass through the second bearing frame set up in fork tooth supporting seat bottom.

Further, first bearing frame includes bearing limiting plate and bearing installation base, the bearing limiting plate is fixed in chassis supporting seat bottom, bearing installation base is fixed in fork tooth supporting seat top, thrust bearing install in between bearing limiting plate and the bearing installation base.

Further, the second bearing seat comprises a shoulder seat and a nut, the shoulder seat is fixed at the bottom of the fork tooth supporting seat, the upper end of the ball bearing is installed in the shoulder seat, and the nut is in threaded connection with the lower end of the rigid shaft and abuts against the lower end face of the ball bearing.

Furthermore, a clamp spring lock pin is arranged below the nut, and a pin hole matched with the clamp spring lock pin is formed in the rigid shaft.

Further, the chassis supporting seat comprises a chassis square steel and two chassis clamping grooves, the chassis square steel is a rectangular square steel pipe, the chassis clamping grooves are U-shaped clamping grooves, and the chassis clamping grooves are respectively fixed at two ends of the top surface of the chassis square steel.

Further, the fork tooth supporting seat comprises two fork tooth square steels and two fork tooth clamping grooves, the fork tooth square steels are rectangular square steel pipes, the fork tooth clamping grooves are U-shaped clamping grooves, the two fork tooth square steels are arranged side by side at intervals, and the two fork tooth clamping grooves are fixed at two ends of the bottom surface of each fork tooth square steel respectively.

Furthermore, the fork tooth support seat is characterized by further comprising a fork tooth connecting rod, wherein one end of the fork tooth connecting rod is fixedly connected with the fork tooth support seat, and the other end of the fork tooth connecting rod is provided with a simple hook.

Further, the forklift connecting rod and the simple hook are formed by welding a plurality of rectangular square steel tubes.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. the utility model solves the problem that the chassis of the unpowered train can not turn through the combination of the thrust bearing and the ball bearing and the transmission of practical traction force and turning moment; the existing forklift in the factory is used as traction power, the unpowered steering and moving of the chassis of the passenger car in the limited turning space are realized, the problem of inter-car circulation of the chassis of the passenger car in the manufacturing process is solved, and the circulation efficiency and the utilization rate of resources in the factory are improved.

2. The utility model discloses a chassis supporting seat, fork tooth supporting seat and fork tooth connecting rod adopt rectangle square steel pipe, steel sheet welding to constitute, and simple structure is compact and firm, and is with low costs, practices thrift the cost of manufacture of vehicle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Wherein the reference numbers in the figures are: chassis supporting seat 10, chassis square steel 11, chassis draw-in groove 12, fork tooth supporting seat 20, fork tooth square steel 21, fork tooth draw-in groove 22, duplex bearing hinge mechanisms 30, thrust bearing 31, ball bearing 32, rigidity axle 33, bearing limiting plate 41, bearing mount pad 42, shaft shoulder seat 51, nut 52, jump ring lockpin 53, fork tooth connecting rod 60, simple and easy couple 61.

Detailed Description

The following describes specific embodiments of the present invention with reference to the drawings.

Referring to fig. 1 and 2, a dual-bearing hinge type chassis towing device for a passenger car includes a chassis supporting base 10, a jaw supporting base 20, a dual-bearing hinge mechanism 30, and a jaw link 60. The chassis supporting seat 10 is located above the fork tooth supporting seat 20, the chassis supporting seat 10 is used for supporting an unpowered chassis of a passenger car in a process, and the fork tooth supporting seat 20 is used for enabling fork teeth of a forklift to be forked. The double-bearing hinge mechanism 30 includes a thrust bearing 31, a ball bearing 32 and a rigid shaft 33, the thrust bearing 31 and the ball bearing 32 are respectively assembled at the upper end portion and the lower end portion of the rigid shaft 33, one end of the rigid shaft 33 is fixedly connected to the bottom of the chassis supporting base 10, and the other end thereof penetrates and extends to the lower portion of the fork supporting base 20. Thrust bearing 31 sets up between chassis supporting seat 10 and fork tooth supporting seat 20 through first bearing frame, and ball bearing 32 sets up in fork tooth supporting seat 20 bottom through the second bearing frame, fork tooth connecting rod 60 one end and fork tooth supporting seat 20 fixed connection, and the other end is equipped with simple and easy couple 61, and simple and easy couple 61 is used for hanging on fork truck gantry beam, realizes the rigid coupling.

More specifically, referring to fig. 2, the chassis supporting base 10 is composed of a chassis square steel 11 and two chassis clamping grooves 12, the chassis square steel 11 is preferably a rectangular square steel pipe, and the two chassis clamping grooves 12 are preferably iron-made U-shaped clamping grooves. The two chassis clamping grooves 12 are respectively welded at two ends of the chassis square steel 11 and used for clamping the unpowered chassis of the passenger car in a brake state.

Referring to fig. 2, the fork support seat 20 is composed of two fork square steels 21 and two fork clamping grooves 22, the fork square steels 21 are preferably rectangular square steel pipes, and the two fork clamping grooves 22 are preferably iron U-shaped clamping grooves. The two fork tooth square steels 21 are arranged side by side at intervals, and the distance between the two fork tooth square steels 21 is larger than the diameter of the rigid shaft 33. One of the fork tooth clamping grooves 22 is spanned and welded on the bottom surfaces of one ends of the two fork tooth square steels 21, the other fork tooth clamping groove 22 is spanned and welded on the bottom surfaces of the other ends of the two fork tooth square steels 21, and the fork tooth clamping groove 22 is used for being crossed and lifted by fork teeth of a forklift.

Referring to fig. 2, the first bearing seat corresponding to the thrust bearing 31 is composed of a bearing limit plate 41 and a bearing mount 42, the bearing limit plate 41 and the bearing mount 42 have the same structure and may be a whole steel plate with a circular groove, the size of the circular groove is matched with that of the thrust bearing 31, a circular hole is formed in the center of the circular groove, and the size of the circular hole is matched with that of the rigid shaft 33; in addition, two equal-size steel plates with preset round holes can be formed in an assembly welding mode, the circle centers of the round holes of the two steel plates are located on the same axis, the round hole of one steel plate is matched with the thrust bearing 31, and the round hole of the other steel plate is matched with the rigid shaft 33. The bearing limiting plate 41 is welded on the bottom surface of the chassis square steel 11, and the structural strength of the bearing limiting plate and the chassis square steel is improved through four triangular reinforcing ribs; the bearing mounting seat 42 is welded on the top surfaces of the two fork tooth square steels 21; the thrust bearing 31 is fitted to the upper end portion of the rigid shaft 33 through the shaft hole, and is restricted upwardly by the bearing restriction plate 41 and restricted downwardly by the bearing mount 42.

Referring to fig. 2, the second bearing seat corresponding to the ball bearing 32 is composed of a shoulder seat 51, a nut 52 and a circlip lock pin 53, and the structure of the shoulder seat 51 is substantially the same as the structure of the bearing limiting plate 41 and the bearing mounting seat 42, which are not described herein again. The shaft shoulder seat 51 is welded on the bottom surfaces of the two fork tooth square steels 21; the ball bearing 32 is assembled at the lower end part of the rigid shaft 33 through the shaft hole, the ball bearing 32 is limited upwards through the shaft shoulder seat 51, the tail part of the rigid shaft 33 is locked in a spiral mode through the nut 52, the ball bearing 32 is supported by the nut 52 to be limited downwards, the clamp spring lock pin 53 is inserted into the lower part of the nut 52, and the rigid shaft 33 is provided with a pin hole used for being matched with the clamp spring lock pin 53.

Referring to fig. 2, the fork tooth connecting rod 60 is formed by assembling and welding a plurality of rectangular square steel tubes with uniform specifications, one end of the fork tooth connecting rod 60 is fixed on the side surface of the fork tooth square steel 21 of the fork tooth supporting seat 20 in a welding mode, and is structurally reinforced by an oblique square steel tube; the other end is welded into a simple hook 61 through a plurality of square steel pipes, and the simple hook 61 is hung on a gantry beam of the forklift during use, so that rigid connection is realized, looseness in the dragging process is avoided, and safe and reliable vehicle dragging and rotating are guaranteed.

Referring to fig. 1 and 2, the utility model discloses during the use, through adjustment fork truck's fork tooth interval for in the fork tooth can insert fork tooth draw-in groove 22, hang fork tooth connecting rod 60's simple and easy couple 61 on fork truck gantry beam again, realize the rigidity connection, will the utility model discloses pre-installation is on fork truck. Then, the utility model is supported by a forklift and moved to the chassis of the unpowered in-process vehicle, so that the front end beam of the chassis of the unpowered in-process vehicle is clamped in the chassis clamping groove 12 in the middle; and finally, the height and the position are adjusted through a forklift, the front wheels of the chassis of the unpowered in-process passenger car are lifted off the ground, and the rear wheels are in contact with the ground for dragging, so that the chassis of the passenger car is dragged and moved. In the dragging process, the thrust bearing 31 mainly plays a supporting role and bears most of load applied to the dragging device by the chassis of the passenger car; the ball bearing 32 is arranged on the rigid shaft 33, is limited and fixed by a shaft shoulder seat 51 and a nut 52, and is cooperated with the thrust bearing 31 to limit the transverse and longitudinal freedom degrees of the rigid shaft 33, so that the low-resistance rotation of the rigid shaft 33 is ensured; therefore, the problem that the chassis of the unpowered train cannot be steered by the combination of the thrust bearing 31 and the ball bearing 32 and the transmission of practical traction force and turning moment is solved; the existing forklift in the factory is used as traction power, the unpowered steering and moving of the chassis of the passenger car in the limited turning space are realized, the problem of inter-car circulation of the chassis of the passenger car in the manufacturing process is solved, and the circulation efficiency and the utilization rate of resources in the factory are improved.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (8)

1. The utility model provides a duplex bearing hinge type is in passenger train chassis drag commentaries on classics device which characterized in that: including chassis supporting seat, fork tooth supporting seat and duplex bearing hinge mechanisms, the chassis supporting seat is located fork tooth supporting seat top, duplex bearing hinge mechanisms includes thrust bearing, ball bearing and rigidity axle, thrust bearing and ball bearing assemble respectively in the upper end and the lower tip of rigidity axle, rigidity axle one end fixed connection in chassis supporting seat bottom, the other end run through and extend fork tooth supporting seat, thrust bearing set up in through first bearing frame between chassis supporting seat and the fork tooth supporting seat, ball bearing pass through the second bearing frame set up in fork tooth supporting seat bottom.

2. A dual bearing hinge type chassis towing device for a passenger car in process according to claim 1, wherein: the first bearing seat comprises a bearing limiting plate and a bearing mounting base, the bearing limiting plate is fixed to the bottom of the chassis supporting seat, the bearing mounting base is fixed to the top of the fork tooth supporting seat, and the thrust bearing is mounted between the bearing limiting plate and the bearing mounting base.

3. A dual bearing hinge type chassis towing device for a passenger car in process according to claim 1, wherein: the second bearing seat comprises a shoulder seat and a nut, the shoulder seat is fixed at the bottom of the fork tooth supporting seat, the upper end of the ball bearing is installed in the shoulder seat, and the nut is in threaded connection with the lower end of the rigid shaft and is supported against the lower end face of the ball bearing.

4. A dual bearing hinge type chassis towing device for a passenger car under brake as claimed in claim 3, wherein: a clamp spring lock pin is arranged below the nut, and a pin hole matched with the clamp spring lock pin is formed in the rigid shaft.

5. A dual bearing hinge type chassis towing device for a passenger car in process according to claim 1, wherein: the chassis supporting seat comprises a chassis square steel and two chassis clamping grooves, the chassis square steel is a rectangular square steel pipe, the chassis clamping grooves are U-shaped clamping grooves, and the chassis clamping grooves are respectively fixed at two ends of the top surface of the chassis square steel.

6. A dual bearing hinge type chassis towing device for a passenger car in process according to claim 1, wherein: the fork tooth supporting seat comprises two fork tooth square steels and two fork tooth clamping grooves, the fork tooth square steels are rectangular square steel tubes, the fork tooth clamping grooves are U-shaped clamping grooves, the two fork tooth square steels are arranged side by side at intervals, and the two fork tooth clamping grooves are fixed at two ends of the bottom surface of each fork tooth square steel respectively.

7. A dual bearing hinge type chassis towing device for a passenger car in process according to claim 1, wherein: the fork tooth support seat is characterized by further comprising a fork tooth connecting rod, wherein one end of the fork tooth connecting rod is fixedly connected with the fork tooth support seat, and the other end of the fork tooth connecting rod is provided with a simple hook.

8. A dual bearing hinge type chassis towing device for a passenger car under brake as claimed in claim 7, wherein: the fork tooth connecting rod and the simple hook are formed by welding a plurality of rectangular square steel tubes.

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