CN113997072A - Method for assembling bogie of 70% low-floor tramcar - Google Patents

Method for assembling bogie of 70% low-floor tramcar Download PDF

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Publication number
CN113997072A
CN113997072A CN202111406005.0A CN202111406005A CN113997072A CN 113997072 A CN113997072 A CN 113997072A CN 202111406005 A CN202111406005 A CN 202111406005A CN 113997072 A CN113997072 A CN 113997072A
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China
Prior art keywords
assembling
bogie
brake
wheel pair
wheel
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Granted
Application number
CN202111406005.0A
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Chinese (zh)
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CN113997072B (en
Inventor
邓福承
庞庆
罗芳
黄思良
吴志威
邓泽靖
杨浩正
关大伟
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Guangzhou Electrical Locomotive Co Ltd
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Guangzhou Electrical Locomotive Co Ltd
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Publication of CN113997072A publication Critical patent/CN113997072A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Abstract

A70% low-floor tramcar bogie assembly method includes a power bogie assembly method and a non-power bogie assembly method. According to the invention, the assembling procedures of the bogie are assembled on the plurality of branch lines in parallel, so that the whole assembling time of the bogie is shortened, and the production efficiency is improved; through reasonable production line layout, the bottleneck process of tramcar assembly is eliminated, and the assembly capacity is improved.

Description

Method for assembling bogie of 70% low-floor tramcar
Technical Field
The invention relates to a tramcar, in particular to a method for assembling a bogie of a 70% low-floor tramcar.
Background
The 70% low-floor tramcar bogie comprises a power bogie and a non-power bogie, the existing bogie stations are divided into 4 stations of framework painting, framework assembling, driving assembling and bogie assembly as units, and the 4 stations are assembled in a serial mode.
Disclosure of Invention
The invention aims to solve the technical problem of providing a 70% low-floor tramcar bogie assembling method to improve the production efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows: a70% low-floor tramcar bogie assembling method comprises a power bogie assembling method and a non-power bogie assembling method,
the power bogie assembling method comprises the following steps:
(1) and (3) driving an assembly station operation process:
(1.1) wheel pair press mounting;
(1.2) counter-pressure of a wheel pair;
(1.3) assembling an axle box;
(1.4) assembling a motor;
(1.5) running-in test;
(1.6) preassembling a conical rubber stack and assembling a magnetic track brake;
(2) framework/assembly station work flow:
(2.1) assembling a hydraulic unit, assembling an energy accumulator, assembling a brake pipeline and a mudguard, assembling a magnetic track brake wear plate, installing a bogie identifier, assembling a secondary hourglass rubber pile, assembling a secondary vertical oil pressure shock absorber, assembling a secondary transverse oil pressure shock absorber and assembling a secondary stop;
(2.2) removing the bogie wiring of the three-phase line of the motor;
(2.3) assembling the drive assembled in the step (1) and the framework wired in the step (2.2) to complete the drop of the bogie;
(2.4) assembling a stop plate, assembling a series of conical rubber piles, assembling a stone sweeper, assembling a wheel rim lubricating device, assembling a brake disc and a passive brake clamp, wiring a three-phase line of a bogie motor and assembling a wheel pair driving device;
(2.5) weighing and spring adjusting of the bogie;
(2.6) assembling the swing bolster;
(2.7) assembling a traction device, and connecting a secondary suspension device with a swing bolster;
the non-power bogie assembling method comprises the following steps:
(1) and (3) driving an assembly station operation process:
(1.1) assembling a brake disc inner hoop;
(1.2) wheel pair press mounting;
(1.3) counter-pressure of a wheel pair;
(1.4) assembling an axle box and a brake disc;
(1.5) preassembling a conical rubber stack and assembling a magnetic track brake;
(2) framework/assembly station work flow:
(2.1) assembling a secondary transverse oil pressure shock absorber, assembling a secondary hourglass rubber pile, assembling a secondary stop, assembling a brake pipeline and a bogie, assembling an active brake unit, assembling a mudguard, assembling a load sensor, assembling a bogie hoisting device, installing a bogie mark and assembling a magnetic track brake wear plate;
(2.2) assembling the wheel set assembled in the step (1) and the frame assembled in the step (2.1) to complete the drop of the bogie;
(2.3) assembling a stop plate and assembling a conical rubber stack;
(2.4) weighing and spring adjusting of the bogie;
(2.5) finishing the whole vehicle;
(2.6) assembling a transverse stop seat, assembling a traction device, assembling a secondary vertical hydraulic shock absorber and assembling a height adjusting rod.
According to the invention, the assembling procedures of the bogie are assembled on the plurality of branch lines in parallel, so that the whole assembling time of the bogie is shortened, and the production efficiency is improved; through reasonable production line layout, the bottleneck process of tramcar assembly is eliminated, and the assembly capacity is improved.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the assembling procedures of the bogie are assembled on the plurality of branch lines in parallel, so that the whole assembling time of the bogie is shortened, and the production efficiency is improved; through reasonable production line layout, the bottleneck process of tramcar assembly is eliminated, and the assembly capacity is improved.
Drawings
Fig. 1 is a flow chart of power truck assembly.
FIG. 2 is a flow chart of a non-power truck assembly.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The 70% low-floor tramcar adopts a double-cab structure of a 3-marshalling single-hinged car body mode, namely, the two ends of the train are respectively provided with a cab, the end car and the middle car are both in a single-car structure, a power bogie is arranged under the end car, and the middle car is provided with a non-power bogie.
The main parts of the power bogie comprise an integrally welded Y-shaped framework, a swing bolster, a wheel set driving device, a traction device, a primary suspension, a secondary suspension, a basic braking device, a wheel rim lubricating device and the like.
The power bogie frame adopts a welding structure shaped like a Chinese character 'ri', and consists of side beams, cross beams and end beams, all of which are designed into a box-shaped structure, and a plurality of partition plates are arranged inside the box-shaped structure; the side beam is welded into a concave U-shaped structure, and a traction pull rod mounting seat, a secondary transverse shock absorber mounting seat, a secondary hourglass rubber pile mounting seat, a primary conical rubber pile mounting seat, an energy accumulator mounting seat, a frame hoisting seat and an integral hoisting seat are welded on the side beam; the crossbeam is designed into a box-type structure, and is provided with a traction motor mounting seat, a gear box mounting seat, a transverse stop rubber pile mounting seat, a magnetic track brake limiting seat and the like; the end beam is provided with a gear box hanging seat, a hydraulic brake unit mounting seat, a sanding device mounting seat and a wheel rim lubricating device oil tank mounting seat.
The power bogie swing bolster is a welded U-shaped box type structure, is connected with the vehicle body and the frame through a central pin traction device and traction pull rods which are obliquely and symmetrically arranged, and a transverse shock absorber and a transverse stop are arranged between the swing bolster and the bogie frame; the car body is welded with an upper side bearing plate which is supported on the bogie through a side bearing, the side bearing is directly arranged in a side bearing box on the swing bolster, when the car passes through a small-radius curve, the swing bolster and the bogie frame synchronously rotate, and the car body relatively slides on the side bearing.
The wheel set driving device of the power bogie consists of a wheel set, a driving device, an axle box device and the like. The driving device consists of a traction motor, a motor rubber joint, a diaphragm type coupling, a two-pole transmission gear box, a hollow shaft, a wedge-shaped rubber coupling, a gear box suspender and the like. One end of the traction motor is connected with the gear box through a diaphragm type coupling, and the other end of the traction motor is elastically hung on a frame beam through a rubber joint; one end of the gear box is elastically hung on a cross beam of the framework through a rubber joint, and the other end of the gear box is hung on an end beam of the framework through an elastic hanging rod; the output end of the gear box is connected with an axle passing through the hollow shaft through a wedge-shaped rubber coupling. And a hydraulic brake is arranged on the gear box body, and a brake disc is pressed on the hollow shaft.
The power bogie traction device comprises traction pull rods obliquely and symmetrically arranged between a swing bolster and a framework, traction pins installed below a car body sleeper beam, a traction center rubber joint arranged in a swing bolster center hole and the like.
The primary suspension device of the power bogie comprises a primary conical rubber pile, an adjusting pad and the like which are arranged between a framework and an axle box; each power bogie has 8 groups of conical rubber piles.
The secondary suspension device of the power bogie comprises a transverse shock absorber, a secondary hourglass-shaped rubber pile, a transverse stop and the like which are arranged between a framework and a swing bolster; each power bogie has 4 groups of secondary hourglass rubber piles, 2 transverse shock absorbers and 2 transverse stoppers.
The basic brake of the power bogie comprises a brake disc arranged on a gear box body, a hydraulic brake unit arranged on a framework, a magnetic track brake hung on an axle box, a brake pipeline on the framework and the like.
As shown in fig. 1, the power bogie assembly method:
(1) and (3) driving an assembly station operation process:
(1.1) wheel pair press mounting;
(1.2) counter-pressure of a wheel pair;
(1.3) assembling an axle box;
(1.4) assembling a motor;
(1.5) running-in test;
(1.6) preassembling a conical rubber stack and assembling a magnetic track brake;
(2) framework/assembly station work flow:
(2.1) assembling a hydraulic unit, assembling an energy accumulator, assembling a brake pipeline and a mudguard, assembling a magnetic track brake wear plate, installing a bogie identifier, assembling a secondary hourglass rubber pile, assembling a secondary vertical oil pressure shock absorber, assembling a secondary transverse oil pressure shock absorber and assembling a secondary stop;
(2.2) removing the bogie wiring of the three-phase line of the motor;
(2.3) assembling the drive assembled in the step (1) and the framework wired in the step (2.2) to complete the drop of the bogie;
(2.4) assembling a stop plate, assembling a series of conical rubber piles, assembling a stone sweeper, assembling a wheel rim lubricating device, assembling a brake disc and a passive brake clamp, wiring a three-phase line of a bogie motor and assembling a wheel pair driving device;
(2.5) weighing and spring adjusting of the bogie;
(2.6) assembling the swing bolster;
and (2.7) assembling a traction device, and connecting a secondary suspension device with the swing bolster.
In the assembling method of the power bogie wheel pair driving device, the method also comprises a material purchasing process before the press mounting of the wheel pair:
(1) respectively purchasing an axle box bearing, a wheel, a brake disc, an axle, an output end coupling, a hollow shaft, a gear box, an input end coupling and a traction motor;
(2) assembling a brake disc and an axle hot sleeve;
(3) the coupling at the output end is pressed with the axle;
(4) assembling the brake disc and the hollow shaft hot sleeve;
(5) press-fitting the input end coupling and the gear box;
(6) the input end coupling is pressed with the traction motor;
(7) the step (3) component, the step (4) component and the step (5) component complete the assembly of the power axle and the gear box transmission mechanism;
(8) and (4) finishing wheel pair press mounting by using the wheel, the step (2) component and the step (7) component.
The main parts of the non-power bogie are integrally welded H-shaped frame, wheel pair axle box device, traction device, primary suspension, secondary suspension, foundation brake device, etc.
The non-power bogie frame adopts an H-shaped welding structure, consists of side beams and cross beams, is designed into a box-shaped structure, and is internally provided with a plurality of partition plates; the side beam is welded into a concave U-shaped structure, and a first series of conical rubber pile mounting seats, a second series of hourglass rubber pile mounting seats, a framework hoisting seat and the like are welded on the side beam; the crossbeam is designed into a box-type structure, and a traction pull rod mounting seat, a transverse shock absorber mounting seat, a brake mounting seat, a transverse stop mounting seat, a magnetic track braking limiting seat, an integral hoisting seat and the like are arranged on the crossbeam.
The non-power bogie wheel-to-axle box device is composed of a wheel pair, an axle box assembly and the like.
The non-power bogie traction device consists of a traction seat arranged on a middle frame sleeper beam, a traction pull rod arranged between a framework and the traction seat and the like.
The non-power bogie primary suspension device consists of a primary conical rubber pile, an adjusting pad and the like which are arranged between a framework and an axle box; there are 8 primary cone rubber piles per non-powered truck.
The non-power bogie secondary suspension device comprises a transverse shock absorber arranged between a framework and a vehicle body, a secondary hourglass-shaped rubber pile, a transverse stop seat arranged on a sleeper beam of the vehicle body and the like; each non-power bogie has 4 groups of secondary hourglass rubber piles, 1 transverse shock absorber and 2 transverse stoppers.
The non-power bogie foundation brake consists of a brake disc installed on an axle, a brake installed on a framework, a magnetic track brake hung on an axle box, a load sensor installed on the side surface of a side beam, a brake pipeline on the framework and the like.
As shown in fig. 2, the non-power bogie assembly method:
(1) and (3) driving an assembly station operation process:
(1.1) assembling a brake disc inner hoop;
(1.2) wheel pair press mounting;
(1.3) counter-pressure of a wheel pair;
(1.4) assembling an axle box and a brake disc;
(1.5) preassembling a conical rubber stack and assembling a magnetic track brake;
(2) framework/assembly station work flow:
(2.1) assembling a secondary transverse oil pressure shock absorber, assembling a secondary hourglass rubber pile, assembling a secondary stop, assembling a brake pipeline and a bogie, assembling an active brake unit, assembling a mudguard, assembling a load sensor, assembling a bogie hoisting device, installing a bogie mark and assembling a magnetic track brake wear plate;
(2.2) assembling the wheel set assembled in the step (1) and the frame assembled in the step (2.1) to complete the drop of the bogie;
(2.3) assembling a stop plate and assembling a conical rubber stack;
(2.4) weighing and spring adjusting of the bogie;
(2.5) finishing the whole vehicle;
(2.6) assembling a transverse stop seat, assembling a traction device, assembling a secondary vertical hydraulic shock absorber and assembling a height adjusting rod.
The method further comprises a cable manufacturing process:
(1) preparing materials and tools;
(2) off-line;
(3) stripping the shielding wire;
(4) arranging wire harnesses and sleeving wire numbers;
(5) manufacturing a connector;
(6) and (6) quality inspection.
According to the invention, the assembling procedures of the bogie are assembled on the plurality of branch lines in parallel, so that the whole assembling time of the bogie is shortened, and the production efficiency is improved; through reasonable production line layout, the bottleneck process of tramcar assembly is eliminated, and the assembly capacity is improved.

Claims (3)

1. A70% low-floor tramcar bogie assembling method comprises a power bogie assembling method and a non-power bogie assembling method, and is characterized in that:
the power bogie assembling method comprises the following steps:
(1) and (3) driving an assembly station operation process:
(1.1) wheel pair press mounting;
(1.2) counter-pressure of a wheel pair;
(1.3) assembling an axle box;
(1.4) assembling a motor;
(1.5) running-in test;
(1.6) preassembling a conical rubber stack and assembling a magnetic track brake;
(2) framework/assembly station work flow:
(2.1) assembling a hydraulic unit, assembling an energy accumulator, assembling a brake pipeline and a mudguard, assembling a magnetic track brake wear plate, installing a bogie identifier, assembling a secondary hourglass rubber pile, assembling a secondary vertical oil pressure shock absorber, assembling a secondary transverse oil pressure shock absorber and assembling a secondary stop;
(2.2) removing the bogie wiring of the three-phase line of the motor;
(2.3) assembling the drive assembled in the step (1) and the framework wired in the step (2.2) to complete the drop of the bogie;
(2.4) assembling a stop plate, assembling a series of conical rubber piles, assembling a stone sweeper, assembling a wheel rim lubricating device, assembling a brake disc and a passive brake clamp, wiring a three-phase line of a bogie motor and assembling a wheel pair driving device;
(2.5) weighing and spring adjusting of the bogie;
(2.6) assembling the swing bolster;
(2.7) assembling a traction device, and connecting a secondary suspension device with a swing bolster;
the non-power bogie assembling method comprises the following steps:
(1) and (3) driving an assembly station operation process:
(1.1) assembling a brake disc inner hoop;
(1.2) wheel pair press mounting;
(1.3) counter-pressure of a wheel pair;
(1.4) assembling an axle box and a brake disc;
(1.5) preassembling a conical rubber stack and assembling a magnetic track brake;
(2) framework/assembly station work flow:
(2.1) assembling a secondary transverse oil pressure shock absorber, assembling a secondary hourglass rubber pile, assembling a secondary stop, assembling a brake pipeline and a bogie, assembling an active brake unit, assembling a mudguard, assembling a load sensor, assembling a bogie hoisting device, installing a bogie mark and assembling a magnetic track brake wear plate;
(2.2) assembling the wheel set assembled in the step (1) and the frame assembled in the step (2.1) to complete the drop of the bogie;
(2.3) assembling a stop plate and assembling a conical rubber stack;
(2.4) weighing and spring adjusting of the bogie;
(2.5) finishing the whole vehicle;
(2.6) assembling a transverse stop seat, assembling a traction device, assembling a secondary vertical hydraulic shock absorber and assembling a height adjusting rod.
2. A 70% low-floor tram bogie assembly method according to claim 1 characterised in that: in the assembling method of the power bogie wheel pair driving device, the method also comprises a material purchasing process before the press mounting of the wheel pair:
(1) respectively purchasing an axle box bearing, a wheel, a brake disc, an axle, an output end coupling, a hollow shaft, a gear box, an input end coupling and a traction motor;
(2) assembling a brake disc and an axle hot sleeve;
(3) the coupling at the output end is pressed with the axle;
(4) assembling the brake disc and the hollow shaft hot sleeve;
(5) press-fitting the input end coupling and the gear box;
(6) the input end coupling is pressed with the traction motor;
(7) the step (3) component, the step (4) component and the step (5) component complete the assembly of the power axle and the gear box transmission mechanism;
(8) and (4) finishing wheel pair press mounting by using the wheel, the step (2) component and the step (7) component.
3. A 70% low-floor tram bogie assembly method according to claim 1 characterised in that: the method further comprises a cable manufacturing process:
(1) preparing materials and tools;
(2) off-line;
(3) stripping the shielding wire;
(4) arranging wire harnesses and sleeving wire numbers;
(5) manufacturing a connector;
(6) and (6) quality inspection.
CN202111406005.0A 2021-11-24 2021-11-24 70% low-floor tramcar bogie assembling method Active CN113997072B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008162455A (en) * 2006-12-28 2008-07-17 Kawasaki Heavy Ind Ltd Bogie for low-floor type railway vehicle
CN103832440A (en) * 2014-02-20 2014-06-04 广州电力机车有限公司 Low floor train bogie driving system
CN104590304A (en) * 2014-12-10 2015-05-06 广州电力机车有限公司 Low-floor tramcar bogie
CN105151065A (en) * 2015-08-21 2015-12-16 广州电力机车有限公司 Method for driving trailer bogie based on low-floor trailer body
CN108015514A (en) * 2017-11-30 2018-05-11 中车长江车辆有限公司 A kind of single track suspended power bogie assembling device and method
CN112427940A (en) * 2020-11-26 2021-03-02 广州电力机车有限公司 Method for adding cushion to secondary spring of low-floor tramcar

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008162455A (en) * 2006-12-28 2008-07-17 Kawasaki Heavy Ind Ltd Bogie for low-floor type railway vehicle
CN103832440A (en) * 2014-02-20 2014-06-04 广州电力机车有限公司 Low floor train bogie driving system
CN104590304A (en) * 2014-12-10 2015-05-06 广州电力机车有限公司 Low-floor tramcar bogie
CN105151065A (en) * 2015-08-21 2015-12-16 广州电力机车有限公司 Method for driving trailer bogie based on low-floor trailer body
CN108015514A (en) * 2017-11-30 2018-05-11 中车长江车辆有限公司 A kind of single track suspended power bogie assembling device and method
CN112427940A (en) * 2020-11-26 2021-03-02 广州电力机车有限公司 Method for adding cushion to secondary spring of low-floor tramcar

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