CN220410565U

CN220410565U - Novel bogie

Info

Publication number: CN220410565U
Application number: CN202321243773.3U
Authority: CN
Inventors: 肖绪明; 刘旭; 张二虎; 何干; 黄健; 邹春来; 雷鸣; 高金鈺; 杨进
Original assignee: Gemac Engineering Machinery Co Ltd
Current assignee: Gemac Engineering Machinery Co Ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2024-01-30
Anticipated expiration: 2033-05-22

Abstract

The utility model belongs to the technical field of railway engineering vehicles, and particularly relates to a novel bogie, which comprises: the two sides of the framework are provided with side beams, the front end of the framework is provided with a traction beam, and the rear end of the framework is provided with an end beam; a cross beam is also fixed in the middle of the framework; the coupler is arranged in the middle of the front end of the framework traction beam; a wheel set; the axle bearing box is arranged at the end part of the wheel set; the bottom of the vertical shock absorber is hinged with the axle bearing box, and the top of the vertical shock absorber is hinged with the framework side beam; the outer end of the single-shaft pull rod is hinged with the bottom end of the side beam of the framework, and the inner end of the single-shaft pull rod is hinged with the axle bearing box; and the heart plate is arranged in the middle of the framework beam. The bogie of the utility model arranges the coupler on the end beam of the framework, and solves the defect that the swing angle of the coupler is overlarge and easily exceeds the allowable value of the coupler structure when the conventional installation mode of the coupler on the frame passes through a small curve below R50 m; in addition, the height of the traction of the coupler is reduced, and the vehicle adhesion weight utilization rate is improved, so that the traction of the vehicle is improved.

Description

Novel bogie

Technical Field

The utility model belongs to the technical field of railway engineering vehicles, and particularly relates to a novel bogie.

Background

Railway locomotives, trucks and passenger cars have become more mature in the art. The applicant also applies for a novel bogie of patent number CN202022980822.4 comprising a frame, two wheel sets and a traction mechanism; the traction mechanism is arranged on the framework, and the two wheels are respectively connected with the bottom of the framework through axle box bodies; the device also comprises two groups of braking mechanisms; the framework comprises two opposite side beams, and a middle beam is connected between the two measurement middle parts; the bottom of the side beam is provided with an axle box guide frame which is elastically connected with the corresponding axle box body; the top of the side beam is provided with a side bearing; the axle box body is connected with the corresponding wheel pair through an axle box bearing. When the bogie disclosed in the patent is used, the frame is arranged on the bogie, the coupler is arranged on the frame, the traction mode is that the bogie is driven to walk through the coupler arranged on the frame, and the traction mechanism between the frame and the bogie. The car coupler is high in traction height, the axle weight of the car is easy to transfer, and the utilization rate of adhesive weight is reduced. When the curve is passed, the rotation angle of the frame is determined by the position of the bogie on the curve, and the rotation angle of the frame relative to the bogie is large, so that when the curve is passed below R50m, the swing angle of the coupler mounted on the frame easily exceeds the allowable value of the coupler structure, and the method is not applicable to line conditions of small curves, small allowable axle weight and small limit on factories and mines.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide a novel bogie, which aims to solve the problems of the bogie in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a novel bogie comprising:

the framework is a rectangular frame, two sides of the framework are provided with side beams, the front end of the framework is provided with a traction beam, and the rear end of the framework is provided with an end beam; the middle part of the framework is also fixedly provided with a cross beam which is vertically connected with the side beams at the two sides;

the coupler is arranged in the middle of the front end of the framework traction beam;

a wheel set;

the axle bearing box is arranged at the end part of the wheel set;

the bottom of the vertical shock absorber is hinged with the axle bearing box, and the top of the vertical shock absorber is hinged with the framework side beam;

the outer end of the single-shaft pull rod is hinged with the bottom end of the side beam of the framework, and the inner end of the single-shaft pull rod is hinged with the axle bearing box;

and the heart plate is arranged in the middle of the framework beam.

More specifically, the axle bearing box comprises an axle box body, spring pieces arranged on two sides of the axle box body, bearings arranged in the axle box body, a through cover sleeved on an axle of the wheel set and arranged on the inner end of the axle box body through bolts, an axle box front cover arranged on the outer end of the axle box body through bolts, and an axle end pressing plate fixed on the end part of the axle of the wheel set through bolts; the bottom of the vertical shock absorber is hinged with the front cover of the axle box, and the top of the vertical shock absorber is hinged with the outer side of the side beam of the framework; the inner end of the single-shaft pull rod is hinged to the side face of the axle box body.

More specifically, the spring piece comprises an axle box spring, a spring upper seat arranged at the top of the axle box spring, a spring lower seat arranged at the bottom of the axle box spring and a spring screw rod arranged at the middle of the axle box spring; the bottom of the framework side beam is arranged on a spring seat corresponding to the spring upper seat, and the spring upper seat is fixed on the spring seat through a fixing pin; the two sides of the axle box body are concavely provided with accommodating grooves corresponding to the spring lower seats, and the spring lower seats are arranged in the accommodating grooves; the top of the spring screw rod is fixed in the spring seat, the bottom end of the spring screw rod vertically penetrates through the spring upper seat, the axle box spring, the spring lower seat and the accommodating groove in sequence and then stretches out.

More specifically, the axle bearing box further comprises a lifting plate and a dust-proof seat, wherein the lifting plate is fixed at the top of the axle box front cover through bolts; the dustproof seat is positioned at the inner end of the axle box body.

More specifically, the axle bearing box further comprises a blank cap fixed on the axle box front cover through bolts

More specifically, the outer end of the front cover of the axle box is fixedly provided with a motor mounting seat, and the motor mounting seat is fixedly provided with a speed measuring motor; the motor shaft of the speed measuring motor is rectangular; the middle part of the shaft end pressing plate is provided with a mounting groove corresponding to the motor shaft of the speed measuring motor, and the end part of the motor shaft of the speed measuring motor is inserted into the mounting groove.

More specifically, the outer end of the front cover of the axle box is fixedly provided with a grounding installation seat, and the grounding installation seat is fixedly provided with a grounding device; the middle part of the shaft end pressing plate is reserved with an interference hole corresponding to the grounding device copper rod, and the grounding device copper rod is connected to the shaft end pressing plate in an interference fit mode.

More specifically, the heart plate is a planar heart plate.

More specifically, the frame side beams are provided with side bearings.

More specifically, the wheel set is a power wheel set or a driven wheel set; the power wheel set includes an axle gearbox mounted on the wheel set, the axle gearbox being connected to the frame by a suspension boom.

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

(1) The bogie of the utility model arranges the coupler on the end beam of the framework, and solves the defect that the swing angle of the coupler is overlarge and easily exceeds the allowable value of the coupler structure when the conventional installation mode of the coupler on the frame passes through a small curve below R50 m;

(2) The utility model reduces the traction height of the coupler, and is beneficial to improving the utilization rate of the adhesive weight of the vehicle, thereby improving the traction force of the vehicle.

(3) The utility model adopts the single-shaft pull rod structure, reduces the height difference between the traction force of the coupler and the traction force of the axle box pull rod, can effectively reduce the axle weight transfer, and can effectively reduce the height of the vehicle, thereby meeting smaller vehicle limit.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the structure of the frame of the present utility model;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic illustration of the connection of the axle bearing housing, single-axle tie rod and frame of the present utility model;

FIG. 6 is a schematic view of the structure of the heart plate of the present utility model;

FIG. 7 is a cross-sectional view of a heart plate of the present utility model;

FIG. 8 is a schematic view showing the structure at an axle bearing housing in embodiment 1;

fig. 9 is a schematic view of the structure at the axle bearing housing in embodiment 2;

fig. 10 is a schematic view of the structure at the axle bearing housing in embodiment 3.

The main reference numerals illustrate:

100. a frame; 101. a side beam; 1011. a spring seat; 102. a traction beam; 103. an end beam; 104. a cross beam; 105. a side bearing;

200. a coupler;

300. a wheel set;

400. an axle bearing housing; 401. axle box body; 4011. a receiving groove; 402. a spring member; 4021. an axle box spring; 4022. a spring upper seat; 4023. a spring lower seat; 4024. a spring screw; 403. a bearing; 405. axle box front cover; 4051. a cover is closed; 4052. a motor mounting seat; 4053. a speed measuring motor; 4054. a grounding mounting seat; 4055. a grounding device; 406. a shaft end pressing plate; 407. a lifting plate; 408. a dust-proof seat;

500. a vertical damper;

600. a single-shaft pull rod;

700. a heart plate;

800. a foundation brake device.

Description of the embodiments

The following description of the embodiments of the present utility model will be apparent from, and is intended to provide a thorough description of, the embodiments of the present utility model, and not a complete description of, the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

Examples

Referring to fig. 1-8, a novel bogie comprises:

the framework 100 is a rectangular frame, and two sides of the framework are provided with side beams 101, a traction beam 102 at the front end and an end beam 103 at the rear end; the middle part of the framework 100 is also fixed with a cross beam 104 which is vertically connected with the side beams 101 at two sides; wherein, the side beam 101 of the framework 100 is provided with a side bearing 105, and the two systems adopt a general double-acting elastic side bearing of a railway wagon;

the coupler 200 is arranged in the middle of the front end of the traction beam 102 of the framework 100;

wheel set 300 is a power wheel set or a driven wheel set; in the present embodiment a power wheel set is employed, the power wheel set comprising an axle gearbox 301 mounted on a wheel set 300, the axle gearbox 301 being connected to the frame 100 by means of a suspension boom 302; it should be added here that the wheel set 300 includes an axle and wheels that are in interference coupling with the axle;

an axle bearing housing 400 provided at an end of the wheel set 300; specifically, the axle bearing box 400 comprises an axle box 401, spring members 402 arranged on two sides of the axle box 401, bearings 403 arranged in the axle box 401, a through cover 404 sleeved on the axle of the wheel set 300 and arranged on the inner end of the axle box 401 through bolts, an axle box front cover 405 arranged on the outer end of the axle box 401 through bolts, and an axle end pressing plate 406 fixed on the axle end of the wheel set 300 through bolts; the spring piece 402 comprises an axle box spring 4021, a spring upper seat 4022 arranged at the top of the axle box spring 4021, a spring lower seat 4023 arranged at the bottom of the axle box spring 4021 and a spring screw 4024 arranged in the middle of the axle box spring 4021;

a vertical shock absorber 500, bottom hinged pedestal front cover 405, top hinged frame 100 side sill 101 outer;

the outer end of the single-shaft pull rod 600 is hinged with the bottom end of the side beam 101 of the framework 100, and the inner end is hinged with the side surface of the axle box 401;

a heart plate 700 mounted in the middle of the beam 104 of the frame 100; specifically, the heart plate 700 is a planar heart plate in the prior art; the frame and the frame 100 in this embodiment are connected by a heart plate 700.

In the present embodiment, the bottom of the side member 101 of the frame 100 is provided with a spring seat 1011 corresponding to the upper spring seat 4022, and the upper spring seat 4022 is fixed to the spring seat 1011 by a fixing pin; the two sides of the axle box 401 are concavely provided with accommodating grooves 4011 corresponding to the lower spring seats 4023, and the lower spring seats 4023 are arranged in the accommodating grooves 4011; the top of the spring screw 4024 is fixed in the spring seat 1011, the bottom end vertically and downwards penetrates through the upper spring seat 4022, the axle box spring 4021, the lower spring seat 4023 and the accommodating groove 4011 in sequence, and then extends out of the bottom of the shaft box 401, and when jolting occurs, the lower end of the spring screw 4024 moves downwards when the axle box spring 4021 is compressed; when the pedestal spring 4021 expands, the lower end of the spring screw 4024 moves upward, and the above-described change can provide a cushioning effect. It should be noted here that the lower end of the spring screw 4024 always protrudes from the bottom of the axle housing 401, but the protruding length is different.

In addition, in the present embodiment, the axle bearing box 400 further includes a lifting plate 407 and a dust-proof seat 408, the lifting plate 407 is fixed on the top of the axle box front cover 405 by bolts, and the lifting plate 407 is used for lifting connection between the frame 100 and the axle bearing box 400; a dust seat 408 is located at the inner end of the axle housing 401.

Next, in this embodiment, a cover 4051 is bolted to the outer end of the axle housing front cover 405, and the cover 4051 is used to block debris or dust from entering the axle housing 401.

The novel bogie in the embodiment further comprises a foundation brake device 800, wherein the foundation brake device 800 adopts a tread brake unit controller, the foundation brake device 800 at one side of the coupler 200 is arranged at the lower part of the cross beam 104, and the foundation brake device 800 at the other end is arranged at the lower part of the end beam 103.

In the embodiment, the coupler 200 is arranged on the beam of the framework 100, so that the defect that the swing angle of the coupler 200 is too large and easily exceeds the allowable value of the coupler 200 structure when a small curve below R50m is passed in the conventional installation mode of the coupler 200 on the frame is overcome; in addition, the height of the traction of the coupler 200 is reduced, which is beneficial to improving the utilization rate of the adhesive weight of the vehicle, thereby improving the traction of the vehicle. Secondly, adopting the single-shaft pull rod 600 structure, the difference between the traction force of the coupler 200 and the traction force of the single-shaft pull rod 600 is reduced, the axle weight transfer can be effectively reduced, and the structure can effectively reduce the height of the vehicle, thereby meeting the smaller vehicle limit.

Examples

The differences between fig. 1-7 and fig. 9 and embodiment 1 are only that: the outer end of the axle box front cover 405 is fixed with a motor mounting seat 4052, and the motor mounting seat 4052 is fixed with a speed measuring motor 4053; the motor shaft of the tachometer motor 4053 is rectangular; the middle part of the shaft end pressing plate 406 is provided with a mounting groove (not shown in the drawing) corresponding to the motor shaft of the tachometer motor 4053, and the end part of the motor shaft of the tachometer motor 4053 is inserted into the mounting groove.

When the vehicle runs, the shaft end pressing plate 406 drives the motor shaft of the speed measuring motor 4053 to rotate, and the vehicle acquires the data of the number of rotation turns through the speed measuring motor 4053 to measure the running speed of the vehicle, which is part of the prior art.

Examples

Referring to fig. 1 to 7 and 10, the difference from embodiment 1 is only that: the outer end of the axle box front cover 405 is fixed with a grounding installation seat 4054, and the grounding installation seat 4054 is fixed with a grounding device 4055; an interference hole (not shown in the drawing) corresponding to the copper bar of the grounding device 4055 is reserved in the middle of the shaft end pressing plate 406, and the copper bar of the grounding device 4055 is connected to the shaft end pressing plate 406 in an interference fit mode.

The grounding device 4055 is provided with a carbon brush and a copper bar to be attached, when strong current passes through the vehicle, the grounding device 4055 can guide the current to the steel rail along the axle and the wheels, so that the electrical equipment on the vehicle is protected.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. A novel bogie, comprising:

a wheel set;

the axle bearing box is arranged at the end part of the wheel set;

and the heart plate is arranged in the middle of the framework beam.

2. The novel bogie according to claim 1 wherein the axle bearing housing comprises an axle housing body, spring members provided on both sides of the axle housing body, bearings mounted in the axle housing body, a through cover sleeved on the axle of the wheel set and mounted on the inner end of the axle housing body by bolts, an axle housing front cover mounted on the outer end of the axle housing body by bolts, and an axle end pressing plate fixed on the end of the axle of the wheel set by bolts;

the bottom of the vertical shock absorber is hinged with the front cover of the axle box, and the top of the vertical shock absorber is hinged with the outer side of the side beam of the framework;

the inner end of the single-shaft pull rod is hinged to the side face of the axle box body.

3. The novel bogie of claim 2, wherein the spring member comprises an axle box spring, a spring upper seat arranged at the top of the axle box spring, a spring lower seat arranged at the bottom of the axle box spring, and a spring screw arranged in the middle of the axle box spring;

the bottom of the framework side beam is arranged on a spring seat corresponding to the spring upper seat, and the spring upper seat is fixed on the spring seat through a fixing pin;

the two sides of the axle box body are concavely provided with accommodating grooves corresponding to the spring lower seats, and the spring lower seats are arranged in the accommodating grooves;

the top of the spring screw rod is fixed in the spring seat, the bottom end of the spring screw rod vertically penetrates through the spring upper seat, the axle box spring, the spring lower seat and the accommodating groove in sequence and then stretches out.

4. The novel bogie of claim 2, wherein the axle bearing housing further comprises a lifting plate and a dust seat, the lifting plate being secured to the top of the axle housing front cover by bolts; the dustproof seat is positioned at the inner end of the axle box body.

5. The novel bogie of claim 2, wherein the axle bearing housing further comprises a blank cap bolted to the axle housing front cover.

6. The novel bogie according to claim 2 wherein a motor mount is fixed to the outer end of the axle box front cover, and a tachometer motor is fixed to the motor mount; the motor shaft of the speed measuring motor is rectangular;

the middle part of the shaft end pressing plate is provided with a mounting groove corresponding to the motor shaft of the speed measuring motor, and the end part of the motor shaft of the speed measuring motor is inserted into the mounting groove.

7. The novel bogie according to claim 2 wherein a grounding mount is fixed to the outer end of the axle box front cover, and a grounding device is fixed to the grounding mount;

the middle part of the shaft end pressing plate is reserved with an interference hole corresponding to the grounding device copper rod, and the grounding device copper rod is connected to the shaft end pressing plate in an interference fit mode.

8. The novel bogie of claim 1, wherein the heart plate is a planar heart plate.

9. The novel bogie of claim 1, wherein side bearings are mounted to the frame side beams.

10. The novel bogie of claim 1, wherein the wheel set is a powered wheel set or a driven wheel set; the power wheel set includes an axle gearbox mounted on the wheel set, the axle gearbox being connected to the frame by a suspension boom.