CN218949192U

CN218949192U - Bogie with integral lifting device and railway vehicle

Info

Publication number: CN218949192U
Application number: CN202223092425.9U
Authority: CN
Inventors: 赵楠; 廖从建; 陶功安; 蒲全卫; 龚争理; 丁艳辉
Original assignee: CRRC Zhuzhou Locomotive Co Ltd
Current assignee: CRRC Zhuzhou Locomotive Co Ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-05-02
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a bogie with an integral hoisting device, which comprises a swing bolster and two framework side beams, wherein the swing bolster is arranged above the framework side beams, and the hoisting device is arranged between the swing bolster and the framework side beams; the lifting device comprises a lifting block, a traction seat and a lifting seat, wherein the lifting seat is connected with the top of the side beam of the framework, the lifting block is rotationally connected with the lifting seat, and the lifting block rotates around the lifting seat to one side of the traction seat; one end of the traction seat is connected with the bottom of the swing bolster, a guiding and positioning groove is arranged on the traction seat, and the guiding and positioning groove can be clamped with the lifting block. A rail vehicle is also disclosed. The bogie and the railway vehicle have the auxiliary locating function of falling vehicles, and greatly improve the efficiency of vehicle assembly, overhauling and maintenance.

Description

Bogie with integral lifting device and railway vehicle

Technical Field

The utility model belongs to the technical field of rail transit vehicles, and particularly relates to a bogie with an integral lifting device and a rail transit vehicle.

Background

An integral lifting device is generally arranged between the metro vehicle and the bogie, so that the whole vehicle lifting device is used for vehicle production and assembly, overhaul and maintenance and in the transportation process. The integral lifting device needs to ensure reliable connection structure between the vehicle body and the bogie, fully considers the uniformity of weight distribution for design, and has various integral lifting structures according to different structural forms of the vehicle and the bogie. Therefore, the applicability, rationality and reliability of the whole hoisting device are required to be provided with targeted requirements. Because the integrated degree of rubber tyer subway bogie part is high, and the space is very compact, the whole hoisting accessory of common urban rail bogie can't satisfy the whole hoisting demand of rubber tyer subway vehicle usually.

Chinese patent application publication No. CN112693491a discloses an external axle box type metro bogie with an integrated swing bolster and a lifting support device, the lifting support device comprises a connecting seat, a lifting plate and a support bolt, the bottom of the connecting seat is fixedly connected to an upper cover plate in the middle of a side beam, a groove structure for adjusting the installation height is arranged on the rear wall of the lifting plate, two waist-shaped holes are respectively arranged on two sides of the middle of the lifting plate, a support for installing the support bolt is arranged in the middle of the lifting plate, a lifting hook is arranged at the top of the lifting plate, and the middle protection of the lifting plate is fixedly connected to the upper part of the connecting seat through the cooperation of a bolt component and the waist-shaped holes; the support is located the vertical tip below of bolster both ends bottom, and the lifting hook is located the vertical tip top of bolster both ends bottom. The utility model is suitable for the operation requirement of a narrow space of the rubber-tyred subway bogie, but only realizes the lifting function without the locating function of falling off.

Disclosure of Invention

The utility model aims to provide a bogie with an integral lifting device and a railway vehicle, wherein the bogie has an auxiliary landing positioning function, and the efficiency of vehicle assembly and overhaul and maintenance is greatly improved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the bogie comprises a swing bolster and two framework side beams, wherein the swing bolster is arranged above the framework side beams; the structure is characterized in that: the lifting device comprises a lifting block, a traction seat and a lifting seat, wherein the lifting seat is connected with the top of a side beam of the framework, the lifting block is rotationally connected with the lifting seat, and the lifting block rotates around the lifting seat to one side of the traction seat; one end of the traction seat is connected with the bottom of the swing bolster, a guiding and positioning groove is formed in the traction seat, and the guiding and positioning groove can be clamped with the lifting block.

The rail vehicle falls in front of the car, and the lifting block is rotationally connected with the lifting seat. During the falling, the guide positioning groove is clamped with the lifting block to realize accurate positioning during the falling, and the lifting block rotates around the lifting seat to one side of the traction seat to adapt to the falling requirement. When the railway vehicle falls, the vehicle falling positioning condition can be conveniently observed at the outer side of the vehicle. The bogie has the auxiliary locating function of falling vehicles, and the efficiency of vehicle assembly, overhauling and maintenance is greatly improved.

Preferably, at least two lifting devices are arranged between the swing bolster and the frame side beam, wherein the two lifting devices are arranged in oblique symmetry with respect to the center of the swing bolster. The center of the swing bolster is the rotation symmetry center of the swing bolster. The swing bolster is of a rotationally symmetrical structure, and after rotating around a fixed point on a plane for a certain angle, the swing bolster is overlapped with the initial graph, and the fixed point is the center of rotational symmetry.

Specifically, a boss is arranged on the side surface of the traction seat, the boss faces the lifting block, and the guide positioning groove is arranged on the lower surface of the boss; the free end of the lifting block is provided with a lifting hook, and the boss is positioned below the lifting hook or is abutted against the lifting hook. When the car body of the railway car lifts by crane, the car body drives the traction seat to lift, and the traction seat is in lifting process, and the upper surface of the boss is abutted with the lifting hook, so that the framework is driven to lift, and finally the bogie is lifted integrally.

In order to adjust and adapt to the height requirement of the integral hoisting device, preferably, one or more first adjusting gaskets are arranged on the boss.

Specifically, one end of the hanging seat is fixedly connected with the side beam of the framework, and the other end of the hanging seat is provided with a U-shaped groove; one end of the lifting block is arranged in the U-shaped groove and is detachably and rotatably connected with the U-shaped groove. One or more second adjusting gaskets can be arranged between the lifting block and two side surfaces of the U-shaped groove, and the lifting block is transversely limited by arranging the second adjusting gaskets.

Specifically, the lifting block is connected with the U-shaped groove through a lifting pin, and can rotate around the lifting pin; one end of the lifting pin is provided with a blocking part, the other end of the lifting pin is fastened through a fastening piece, and the blocking part is arranged on the outer side of the bogie. The fastener can adopt the nut, and the other end of lifting pin passes through the nut fastening to realize dismantling rotation between hanging seat and the U type groove and be connected.

When the railway vehicle is completely dropped or needs to be integrally lifted, the lifting block is fixedly connected with the U-shaped groove in order to improve the lifting safety. Preferably, two lifting pins are arranged between the lifting block and the U-shaped groove, and the two lifting pins are arranged along the height direction of the lifting seat; one end of each lifting pin, which is provided with a blocking part, is detachably and fixedly connected with the other end of each lifting pin through a locking part. For rubber tyer subway bogie, the space is very compact, when the lifting block need with U type groove fixed connection, the second lifting pin that sets up between lifting block and the U type groove probably can not pass through the fastener fastening. Through setting up locking portion in the outside and locking fixed to two lifting pins, realize spacing auto-lock between the two, make up the inboard not have the not enough of operating space behind the car that falls, more be applicable to the operation demand in narrow and small space, like rubber tyer subway bogie.

Specifically, the locking part comprises a locking block and two locking pieces; the locking piece is provided with a groove, the end parts of the two lifting pins are clamped in the groove, and the locking piece penetrates through the locking piece and is connected with the lifting pins. The locking piece can be further provided with a self-locking gasket, and the self-locking gasket is arranged on the outer side of the locking piece.

Preferably, the end part of the lifting pin is provided with a sinking platform threaded hole, and the locking piece is connected with the sinking platform threaded hole through threads. The sinking table threaded holes are formed, and after the locking piece is connected with the lifting pin, the tensile property of the locking piece can be improved.

Based on the same inventive concept, the utility model also provides a railway vehicle, wherein the railway vehicle is provided with the bogie with the integral lifting device.

Compared with the prior art, the utility model has the following beneficial effects:

1. the bogie with the integral lifting device has the auxiliary locating function of falling vehicles, and greatly improves the efficiency of vehicle assembly, overhauling and maintenance.

2. According to the bogie with the integral lifting device, the locking part is arranged on the outer side to lock and fix the two lifting pins, so that limit self-locking between the two lifting pins is realized, the defect that no operation space exists on the inner side after the bogie falls down is overcome, and the bogie is more suitable for the operation requirement of a narrow space.

3. The bogie with the integral lifting device has a simple and reliable structure, and can adapt to a compact space between the bogie of the rubber-tyred subway and a vehicle body.

Drawings

FIG. 1 is a schematic perspective view of a truck with integral lifting means according to the present utility model;

FIG. 2 is a schematic view of the partial front view of FIG. 1;

FIG. 3 is a right side view of the lifting device of FIG. 2;

FIG. 4 is a schematic view of the locking portion of FIG. 2;

FIG. 5 is a schematic view of the lifting pin of FIG. 2;

fig. 6 is a schematic structural view of the lifting device in fig. 2 in a landing positioning state.

In the figure: 1-a swing bolster; 2-side beams; 3-lifting devices; 301-lifting blocks; 302-a fifth wheel; 303-hanging seat; 304-a lifting hook; 305-boss; 306-a guide positioning groove; 307-first tuning shims; 308-U-shaped groove; 309-lifting pins; 310-a barrier; 311-locking part; 3111-locking blocks; 3112-locking members; 3113-grooves; 3114-self-locking washers; 312-a sinking table threaded hole; 313-a second tuning shim; 314-fasteners.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.

As shown in fig. 1, a bogie with an integral hoisting device comprises a swing bolster 1 and two frame side beams 2, wherein the swing bolster 1 is arranged above the frame side beams 2. The bogie is provided with two lifting devices 3, and the two lifting devices 3 are obliquely and symmetrically arranged about the center of the swing bolster 1. As shown in fig. 2, the lifting device 3 includes a lifting block 301, a traction base 302, and a lifting base 303, and the lifting base 303 is connected to the top of the frame side beam 2. One end of the lifting block 301 is provided with a lifting hook 304, and the other end is rotatably connected or detachably and fixedly connected with the lifting seat 303. One end of the traction seat 302 is connected with the bottom of the swing bolster 1, and a boss 305 is arranged on the side surface of the other end. The boss 305 faces the lifting block 301, and the boss 305 is located below the lifting hook 304. As shown in fig. 6, a guiding and positioning groove 306 is provided on the lower surface of the boss 305, the guiding and positioning groove 306 may be clamped with the lifting block 301, and one or more first adjusting gaskets 307 are provided on the boss 305. As shown in fig. 2 and 3, one end of the hanging seat 303 is fixedly connected with the frame side beam 2, and the other end is provided with a U-shaped groove 308. One end of the lifting block 301 is disposed in the U-shaped groove 308, and is detachably and rotatably connected or fixedly connected with the U-shaped groove 308. A second adjusting pad 313 is disposed between the two sides of the lifting block 301 and the U-shaped groove 308. The lifting block 301 is connected with the U-shaped groove 308 through two lifting pins 309, and the two lifting pins 309 are arranged in parallel along the height direction of the lifting seat 303. As shown in fig. 5, one end of the lifting pin 309 is provided with a blocking portion 310, and the end of the lifting pin 309 is provided with a counter threaded hole 312. The blocking portions 310 are disposed at the outer sides of the bogie, and one ends of the two lifting pins 309 provided with the blocking portions 310 are detachably and fixedly connected through locking portions 311. The other end of the lifting pin 309 located above is fastened by a fastener 314, which fastener 314 may be a nut. As shown in fig. 4, the locking portion 311 includes a locking block 3111, a self-locking washer 3114 and two locking members 3112, where the locking block 3111 is provided with a groove 3113, and the locking members 3112 may be bolts. The ends of the two lifting pins 309 are clamped in the grooves 3113, the locking member 3112 penetrates through the locking block 3111 and is connected with the sinking table threaded hole 312 on the lifting pin 309 through threads, and the self-locking washer 3114 is arranged on the outer side of the locking block 3111.

When the railway vehicle falls forward, the lower locking part 311 and the lifting pin 309 positioned below are disassembled, so that the lifting block 301 is rotatably connected with the lifting seat 303. As shown in fig. 6, during the falling, the guiding positioning groove 306 is clamped with the lifting block 301 to realize the accurate positioning during the falling, and the lifting block 301 rotates around the lifting seat 303 to one side of the traction seat 302 to adapt to the falling requirement. After the vehicle falls, a second lifting pin 309 is installed on the lifting seat 303, and locking parts 311 are installed at the outer end parts of the two lifting pins 309, so that the lifting block 301 is fixedly connected with the lifting seat 303, and the whole lifting requirement of the vehicle is adapted at any time. The bogie has the auxiliary vehicle falling positioning function while meeting the integral lifting function of the vehicle, and greatly improves the efficiency of vehicle assembly, overhauling and maintenance.

The foregoing examples are set forth in order to provide a more thorough description of the present utility model, and are not intended to limit the scope of the utility model, since modifications of the present utility model, in which equivalents thereof will occur to persons skilled in the art upon reading the present utility model, are intended to fall within the scope of the utility model as defined by the appended claims.

Claims

1. The bogie with the integral hoisting device comprises a swing bolster (1) and two framework side beams (2), wherein the swing bolster (1) is arranged above the framework side beams (2), and a hoisting device (3) is arranged between the swing bolster (1) and the framework side beams (2); the method is characterized in that:

the lifting device (3) comprises a lifting block (301), a traction seat (302) and a lifting seat (303), wherein the lifting seat (303) is connected with the top of a framework side beam (2), the lifting block (301) is rotationally connected with the lifting seat (303), and the lifting block (301) rotates around the lifting seat (303) to one side of the traction seat (302);

one end of the traction seat (302) is connected with the bottom of the swing bolster (1), a guide positioning groove (306) is formed in the traction seat (302), and the guide positioning groove (306) can be clamped with the lifting block (301).

2. Bogie with integral lifting device according to claim 1, characterized in that: at least two lifting devices (3) are arranged between the swing bolster (1) and the framework side beams (2), wherein the two lifting devices (3) are obliquely and symmetrically arranged about the center of the swing bolster (1).

3. Bogie with integral lifting device according to claim 1, characterized in that: a boss (305) is arranged on the side surface of the traction seat (302), the boss (305) faces the lifting block (301), and the guide positioning groove (306) is arranged on the lower surface of the boss (305); the free end of the lifting block (301) is provided with a lifting hook (304), and the boss (305) is positioned below the lifting hook (304) or is abutted against the lifting hook (304).

4. A bogie with integral lifting means according to claim 3, characterized in that: one or more first adjusting gaskets (307) are arranged on the boss (305).

5. Bogie with integral lifting device according to claim 1, characterized in that: one end of the hanging seat (303) is fixedly connected with the framework side beam (2), and the other end of the hanging seat is provided with a U-shaped groove (308); one end of the lifting block (301) is arranged in the U-shaped groove (308) and is detachably and rotatably connected with the U-shaped groove (308).

6. Bogie with integral lifting device according to claim 5, characterized in that: the lifting block (301) is connected with the U-shaped groove (308) through a lifting pin (309), and the lifting block (301) can rotate around the lifting pin (309); one end of the lifting pin (309) is provided with a blocking part (310), the other end of the lifting pin is fastened by a fastening piece (314), and the blocking part (310) is arranged on the outer side of the bogie.

7. Bogie with integral lifting device according to claim 6, characterized in that: two lifting pins (309) are arranged between the lifting block (301) and the U-shaped groove (308), and the two lifting pins (309) are arranged along the height direction of the lifting seat (303); one end of each lifting pin (309) provided with a blocking part (310) is detachably and fixedly connected through a locking part (311).

8. The bogie with integral lifting device of claim 7, wherein: the locking part (311) comprises a locking block (3111) and two locking pieces (3112); the locking block (3111) is provided with a groove (3113), the end parts of the two lifting pins (309) are clamped in the groove (3113), and the locking piece (3112) penetrates through the locking block (3111) and is connected with the lifting pins (309).

9. Bogie with integral lifting device according to claim 8, characterized in that: the end of the lifting pin (309) is provided with a sinking platform threaded hole (312), and the locking piece (3112) is connected with the sinking platform threaded hole (312) through threads.

10. A rail vehicle, characterized in that: railway vehicle provided with a bogie with integral hoisting means according to any one of claims 1 to 9.