CN210707379U

CN210707379U - Flat car for high-speed rail work system

Info

Publication number: CN210707379U
Application number: CN201920759048.9U
Authority: CN
Inventors: 杨厚昌; 邢磊; 杜华伟; 陈兴风; 梁小建; 刘鑫; 方承烨; 高秀峰
Original assignee: Gemac Engineering Machinery Co Ltd
Current assignee: Gemac Engineering Machinery Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-06-09
Anticipated expiration: 2029-05-24

Abstract

A flatcar for a high-speed rail work system comprises an underframe, bogies, a braking system and vehicle accessories, wherein the lower parts of the front end and the rear end of the underframe are respectively provided with one bogie, the bogies are connected to the bottom of the underframe through a traction device, and the upper end of the underframe is connected with the vehicle accessories; the underframe is of a welded frame type structure and consists of end beams, side beams, a center beam and a sleeper beam, and the sections of the center beam and the sleeper beam are of fish belly type variable section structures; the bogie comprises two wheel sets and a bogie frame, axle boxes are arranged at axle heads at two ends of each wheel set, side beams and the middle part of a cross beam of the bogie frame are both arranged into a concave structure, the upper ends of the axle boxes are provided with a separation-preventing device, and the lower ends of the axle boxes are provided with an overturn-preventing device; the gravity center of the vehicle and the height of the floor surface are reduced, the overturn preventing device and the separation preventing device are additionally arranged, the design is reasonable, the safety coefficient of the flat car is higher, and the time for loading and unloading the flat car and overhauling the road is effectively prolonged.

Description

Flat car for high-speed rail work system

Technical Field

The utility model relates to a railway construction and transportation flatcar technical field, in particular to flatcar for high-speed railway system.

Background

The maximum speed per hour of a motor train running on the high-speed railway reaches 350km/h, the maximum outer rail on the curve exceeds 175mm, and the requirements on the quality of a line and the safety of running vehicles are very high. The vehicle on-line maintenance has high safety factor, and the vehicle can be quickly recovered once derailed and cannot damage the line.

The existing flatcar used for transporting materials and equipment by a work system is mainly a road flatcar, the problems of high distance between a floor and a rail surface, inconvenience in loading and unloading, high gravity center and low safety factor exist, the vehicle is easy to overturn after derailment, an underframe, a bogie frame and a wheel pair are easy to disassemble and separate, a cargo platform floor is wooden, and a hoisting operation device cannot be installed. With the rapid development of high-speed rail, a special flat car for high-speed rail service system is urgently needed to solve the above problems.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned not enough of prior art and provide a flatcar for high-speed railway system, reasonable in design, the factor of safety of flatcar is higher, the effectual time that has promoted flatcar loading and unloading and road overhaul.

The technical scheme of the utility model is that: a flatcar for a high-speed rail work system comprises an underframe, bogies, a braking system and vehicle accessories, wherein the lower parts of the front end and the rear end of the underframe are respectively provided with one bogie, the bogies are connected to the bottom of the underframe through a traction device, and the upper end of the underframe is connected with the vehicle accessories; the underframe is of a welded frame type structure and consists of end beams, side beams, a center beam and a sleeper beam, the sections of the center beam and the sleeper beam are of fish-belly type variable section structures, and the upper planes at the two ends of the center beam are upwards convex;

the bogie comprises two wheel pairs and a bogie frame, axle boxes are arranged at the axle heads at two ends of each wheel pair, springs for supporting the bogie frame are fixed on two sides of each axle box through positioning sleeves respectively, the bogie frame is an I-shaped structure consisting of two parallel side beams and a cross beam, and the middle parts of the two side beams and the cross beam of the bogie frame are both arranged into a concave structure; the upper end of the axle box is provided with an anti-separation device, and the lower end of the axle box is provided with an anti-overturning device.

The traction device comprises an upper center plate and a lower center plate, the lower center plate is fixedly connected with a bogie frame of a bogie through bolts, the upper end of the upper center plate is fixedly connected with a sleeper beam of an underframe, the lower end of the upper center plate is located in the lower center plate, the middle parts of the upper center plate and the lower center plate are correspondingly provided with a center hole matched with a center plate pin, a through hole is correspondingly arranged at the joint of the center beam and the sleeper beam, the center plate pin respectively penetrates through the through hole of the center beam and the sleeper beam and the center holes of the upper center plate and the lower center plate, the upper end of the center plate pin is sleeved with a spherical cushion block, the lower end of the center plate pin is provided with a waist-shaped hole, and a flat pin is arranged in the waist-shaped; the aperture of the through hole at the joint of the middle beam and the sleeper beam is larger than the diameter of the spherical cushion block.

The left end part of the flat pin is provided with a pin hole I, a pin I is installed in the pin hole I, and the upper part and the lower part of the left end of the flat pin are both provided with tapered inclined planes; the right end of the flat pin is provided with a fixing device which is a boss; and a nylon gasket is arranged on the upper surface of the lower center plate, which is in contact with the upper center plate.

The fixing device is a pin II arranged at the right end of the flat pin, and a pin hole II matched with the pin II is arranged at the right end of the flat pin.

The anti-separation device comprises a hanging plate fixed on the axle box and a fork-shaped plate arranged on the bogie frame, the fork-shaped plate comprises an inverted U-shaped fork plate, and two ends of an opening of the U-shaped fork plate are respectively and vertically connected with a cross rod; the lower end of the hanging plate is of a U-shaped opening structure, two ends of the U-shaped opening are fixedly installed with the axle box through screws, the middle of the hanging plate penetrates through the two cross rods of the forked plate, and the hanging rod at the upper end of the hanging plate is transversely hung on the two cross rods at the bottom of the forked plate.

The overturn preventing device is an iron hook block, and a hook opening of the hook block faces one side of the wheel pair.

The vehicle accessory comprises a cargo platform and a plurality of wall plates, the cargo platform is arranged at the upper end of the underframe, the wall plates are hinged on the periphery of the cargo platform, and the upper end of the cargo platform is reserved with a mounting position of a hoisting device for hoisting materials.

A plurality of rope hooks and a plurality of sockets are arranged on the outer side of the side beam.

The brake system comprises an air brake, a foundation brake and a hand brake, wherein the foundation brake is integrated on the bogie, the air brake and the hand brake are integrated at the bottom of the underframe, and the air brake, the foundation brake and the hand brake are respectively connected with each other through a brake cylinder rod.

The front end and the rear end of the underframe are respectively provided with a car coupler, the upper planes of the two ends of the middle beam are respectively provided with a bulge, and the car couplers are arranged on the bulges of the middle beam.

The beneficial effects of the utility model reside in that: compared with the prior art, the utility model reduces the gravity center of the vehicle and the height of the floor surface, and is additionally provided with the overturn-preventing device, thereby effectively preventing the problem that the vehicle is easy to overturn after derailing; the anti-separation device is additionally arranged, so that the problem that the bogie frame and the wheel set are easy to disassemble and separate after derailing is effectively solved; the traction device effectively solves the problem that the chassis and the bogie are easy to disassemble and separate after derailment; reasonable in design, the factor of safety of flatcar is higher, the effectual time that has promoted flatcar loading and unloading and road maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the bottom frame structure of the present invention;

FIG. 3 is a schematic view of the structure of the bottom frame center sill of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a front view of the bogie of the present invention;

fig. 6 is a left side view of the bogie of the present invention;

FIG. 7 is a schematic structural view of the traction device of the present invention;

FIG. 8 is a schematic structural view of the overturn preventing device of the present invention;

FIG. 9 is a view showing a state of use of the overturn preventing device of the present invention;

fig. 10 is a front view of the separation preventing device of the present invention;

fig. 11 is a left side view of the separation preventing device of the present invention;

FIG. 12 is a schematic view of the vehicle accessory of the present invention;

in the figure: 1. underframe, 2, bogie, 3, brake system, 4, vehicle accessory, 5, traction device, 6, anti-disengagement device, 7, anti-overturn device, 8, bogie frame, 9, axle box, 10, wheel pair, 11, end beam, 12, side beam, 13, center beam, 14, sleeper beam, 15, upper center plate, 16, lower center plate, 17, nylon liner, 18, center plate pin, 19, spherical cushion block, 20, flat pin, 21, hanging plate, 22, fork plate, 23, steel rail, 24, cargo platform, 25, rope hook, 26, socket, 27, wall plate, 28, hoisting equipment.

Detailed Description

The technical solution in the embodiments of the present invention will now be clearly and completely described with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention.

As shown in fig. 1, the utility model discloses an underframe 1, bogie 2, braking system 3, vehicle accessory 4 and coupling 29, bogie 2 walks the portion as the vehicle, arrange chassis 1's front and back both ends in, it has sufficient intensity and rigidity and good dynamic performance, and chassis 1 is connected with bogie 2 through draw gear 5, braking system 3 includes air brake, basic brake and hand braking, basic brake is integrated with bogie 2 is last, air brake, hand brake is integrated and chassis 1 bottom, and air brake, basic brake, hand brake is connected through a brake cylinder pole respectively between two liang, chassis 1 upper end is connected with vehicle accessory 4, coupling 29 installs at chassis 1's centre sill 13 both ends, as the connecting device between vehicle and the vehicle.

As shown in fig. 2-4, the underframe 1 is a welded frame structure, and is composed of an end beam 11, a side beam 12, a middle beam 13 and a sleeper beam 14, the sections of the middle beam 13 and the sleeper beam 14 are both fish belly type variable section structures, so as to improve the running stability of the vehicle, after the vehicle is composed, the height of the plane on the underframe from a rail surface is reduced, two ends of the middle beam 13 are provided with a bulge for adapting to the installation of a coupler 29, the bulge is higher than the upper plane of the underframe, the outer side of the side beam 12 is provided with a plurality of rope hooks 25 and a plurality of sockets 26 for fixing materials and equipment, and under the condition that the curve outer rail is ultrahigh and 175mm, the materials and the equipment are fixed and can not slip, so as to avoid accidents.

As shown in fig. 5-6, the bogie 2 includes two wheel pairs 10 and a bogie frame 8, axle boxes 9 are respectively disposed at axle heads at two ends of the wheel pairs 10, two sides of each axle box 9 are respectively fixed with a spring for supporting the bogie frame 8 through a positioning sleeve, the bogie frame 8 is an i-shaped structure composed of two parallel side beams and a cross beam, the middle parts of the two side beams and the cross beam of the bogie frame 8 are all arranged in a concave structure, so that the height and the gravity center of a vehicle underframe can be effectively reduced, and after the vehicle bogie 2 is composed of the underframe 1, the height of the plane on the underframe from a rail surface is reduced to below 1 meter; the upper end of the axle box 9 is provided with an anti-separation device 6, and the lower end of the axle box 9 is provided with an anti-overturning device 7.

As shown in fig. 7, the traction device 5 comprises an upper center plate 15, a lower center plate 16, a center plate pin 18, a spherical cushion block 19 and a flat pin 20, wherein a nylon liner 17 is arranged in the lower center plate 16, the upper end of the upper center plate 15 is fixed on a sleeper beam 14 on an underframe 1, the lower end is located on the nylon liner 17 in the lower center plate 16, the upper center plate 15 and the lower center plate 16 rotate around the center plate pin 18 in a universal way so as to facilitate the front and rear bogies of a vehicle to smoothly pass through an ultrahigh curve, the lower end of the lower center plate 16 is fixed on a bogie frame 8 of a bogie 2, the middle parts of the upper center plate 15 and the lower center plate 16 are correspondingly provided with a central hole matched with the center plate pin 18, the joint of the middle beam 13 and the sleeper beam 14 is correspondingly provided with a through hole, the center plate pin 18 respectively penetrates through the through holes of the middle beam 13 and the sleeper beam 14 and the central holes of the upper center plate 15 and the lower center plate 16, the upper end is sleeved, a flat pin 20 is arranged in the waist-shaped hole; the aperture of a through hole at the joint of the middle beam 13 and the sleeper beam 14 is larger than the diameter of a spherical cushion block 19, the spherical cushion block 19, an upper core plate 15 and a lower core plate 16 are connected in series into a whole and are clamped up and down by a core plate pin 18 and a flat pin 20 so as not to be separated, the left end part of the flat pin 20 is provided with a pin hole, a pin is installed in the pin hole, and the upper part and the lower part of the left end of the flat pin 20 are both provided with tapered inclined planes; the right end of the flat pin 20 is provided with a fixing device which is a boss or a pin arranged on the flat pin 20, the flat pin 20 is fixed from two ends by the pin and the fixing device and cannot fall off the core plate pin 18, and an inclined plane is arranged to facilitate the flat pin 20 to penetrate into a waist-shaped hole at the lower end of the core plate pin 18; the upper center plate 15 is arranged on the underframe 1, and the lower center plate 16 is arranged on the bogie 2, so that the underframe 1 and the bogie 2 are not separated.

As shown in fig. 8-9, the overturn preventing device 7 is an iron hook block, and is installed at the lower part of the axle box 9, the hook opening of the hook block faces one side of the wheel set 10, when the wheel set 10 falls off the track and is separated from the steel rail 23, the axle box 9 falls on the steel rail 23, and the overturn preventing device 7 hooks the outer side of the steel rail 23, so that after the vehicle runs off the track, the axle box is kept to slide on the steel rail and is not thrown away, the vehicle does not overturn, and the safety of the vehicle is effectively improved.

As shown in fig. 10 to 11, the separation preventing means 6 is composed of a hanging plate 21 and a fork plate 22; the hanging plate 21 is arranged on the axle box 9, the fork-shaped plate 22 is arranged on the bogie frame 8, the fork-shaped plate 22 comprises an inverted U-shaped fork plate, and two longitudinal rods are respectively and vertically connected with two ends of an opening of the U-shaped fork plate; the lower end of the hanging plate 21 is of a U-shaped opening structure, two ends of the U-shaped opening are fixedly mounted with the axle box 9 through screws, the middle of the hanging plate 21 penetrates through two fork plates of the fork-shaped plate 22, hanging rods at the upper end of the hanging plate 21 are transversely hung on two longitudinal rods at the bottom of the fork-shaped plate 22, when the bogie frame 8 is lifted to be separated from the axle box 9, the fork-shaped plate 22 hooks the hanging plate 21, and the bogie frame 8 is not separated from the axle box 9 wheel pair 10.

As shown in fig. 12, the vehicle accessory 4 includes a cargo platform 24 and a plurality of wall boards 27, the cargo platform 24 is disposed at the upper end of the underframe 1, the cargo platform 24 is made of steel floor and is used for placing materials and equipment for maintaining railways, the plurality of wall boards 27 are hinged on the periphery of the cargo platform 24, when the materials and the equipment are loaded and unloaded, the wall boards 27 can be turned over for 180 degrees and turned down, after the materials and the equipment are loaded and unloaded, the wall boards 27 are turned over again to prevent bulk materials from falling onto a line, when the steel rails and sleepers need to be recovered, a modular hoisting device 28 can be installed on the floor of the cargo platform 24 and is used for hoisting long materials and machines, and the machine can be detached at any time when not in.

Claims

1. A flatcar for high-speed railway system which characterized in that: comprises an underframe (1), a bogie (2), a braking system (3) and vehicle accessories (4); the lower parts of the front end and the rear end of the underframe (1) are respectively provided with a bogie (2), the bogie (2) is connected to the bottom of the underframe (1) through a traction device (5), and the upper end of the underframe (1) is connected with a vehicle accessory (4); the underframe (1) is of a welded frame type structure, the underframe (1) is composed of end beams (11), side beams (12), a middle beam (13) and a sleeper beam (14), and the sections of the middle beam (13) and the sleeper beam (14) are of fish belly type variable section structures;

the bogie (2) comprises two wheel pairs and a bogie frame (8), shaft heads at two ends of each wheel pair (10) are respectively provided with an axle box (9), two sides of each axle box (9) are respectively fixed with a spring for supporting the bogie frame (8) through a positioning sleeve, the bogie frame (8) is of an I-shaped structure consisting of two parallel side beams and a cross beam, and the middle parts of the two side beams and the cross beam of the bogie frame (8) are both arranged into a concave structure; the upper end of the axle box (9) is provided with an anti-separation device (6), and the lower end of the axle box (9) is provided with an anti-overturning device (7).

2. A flatcar for a high speed railway service system as claimed in claim 1, wherein: the traction device (5) comprises an upper center plate (15), a lower center plate (16) and a center plate pin (18), the lower center plate (16) is fixedly connected with a bogie frame (8) of a bogie (2) through bolts, the upper end of the upper center plate (15) is fixedly connected with a sleeper beam (14) of the underframe (1), the lower end of the upper center plate (15) is positioned in the lower center plate (16), the middle parts of the upper core plate (15) and the lower core plate (16) are correspondingly provided with a central hole matched with the core plate pin (18), a through hole is correspondingly arranged at the joint of the middle beam (13) and the sleeper beam (14), the center plate pin (18) respectively penetrates through the through holes of the center beam (13) and the sleeper beam (14) and the center holes of the upper center plate (15) and the lower center plate (16), the upper end is sleeved with a spherical cushion block (19), the lower end is provided with a waist-shaped hole, a flat pin (20) is arranged in a waist-shaped hole at the lower end of the central disc pin (18); the aperture of the through hole at the joint of the middle beam (13) and the sleeper beam (14) is larger than the diameter of the spherical cushion block (19).

3. A flatcar for a high-speed railway service system as claimed in claim 2, wherein: the left end part of the flat pin (20) is provided with a pin hole I, a pin I is installed in the pin hole I, and the upper part and the lower part of the left end of the flat pin (20) are both provided with tapered inclined planes; the right end of the flat pin (20) is provided with a fixing device which is a boss; the upper surface of the lower core plate (16) contacted with the upper core plate (15) is provided with a nylon gasket (17).

4. A flatcar for a high speed railway service system as claimed in claim 3, wherein: the fixing device is a pin II arranged at the right end of the flat pin (20), and a pin hole II matched with the pin II is arranged at the right end of the flat pin (20).

5. A flatcar for a high speed railway service system as claimed in claim 1, wherein: the anti-separation device (6) comprises a hanging plate (21) fixed on the axle box (9) and a fork-shaped plate (22) arranged on the bogie frame (8), the fork-shaped plate (22) comprises an inverted U-shaped fork plate, and two ends of an opening of the U-shaped fork plate are respectively and vertically connected with a cross rod; the lower end of the hanging plate (21) is of a U-shaped opening structure, the two ends of the U-shaped opening are fixedly mounted with the axle box (9) through screws, the middle of the hanging plate (21) penetrates through the two cross rods of the fork-shaped plate (22), and the hanging rod at the upper end of the hanging plate (21) is transversely hung on the two cross rods at the bottom of the fork-shaped plate (22).

6. A flatcar for a high speed railway service system as claimed in claim 1, wherein: the overturn preventing device (7) is an iron hook block, and a hook opening of the hook block faces one side of the wheel pair (10).

7. A flatcar for a high speed railway service system as claimed in claim 1, wherein: the vehicle accessory (4) comprises a cargo platform (24) and a plurality of wall plates (27), the cargo platform (24) is arranged at the upper end of the underframe (1), the wall plates (27) are hinged to the periphery of the cargo platform (24), and the upper end of the cargo platform (24) is reserved with a mounting position of a hoisting device (28) for hoisting materials.

8. A flatcar for a high speed railway service system as claimed in claim 1, wherein: the outer side of the side beam (12) is provided with a plurality of rope hooks (25) and a plurality of sockets (26).

9. A flatcar for a high speed railway service system as claimed in claim 1, wherein: the brake system (3) comprises an air brake, a foundation brake and a hand brake, the foundation brake is integrated on the bogie (2), the air brake and the hand brake are integrated at the bottom of the chassis (1), and the air brake, the foundation brake and the hand brake are connected with each other through a brake cylinder rod respectively.

10. A flatcar for a high speed railway service system as claimed in claim 1, wherein: both ends still are provided with a coupling (29) respectively around chassis (1), the plane all is provided with a arch on well roof beam (13) both ends, coupling (29) are installed on the arch of well roof beam (13).