CN113997072B - 70% low-floor tramcar bogie assembling method - Google Patents
70% low-floor tramcar bogie assembling method Download PDFInfo
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- CN113997072B CN113997072B CN202111406005.0A CN202111406005A CN113997072B CN 113997072 B CN113997072 B CN 113997072B CN 202111406005 A CN202111406005 A CN 202111406005A CN 113997072 B CN113997072 B CN 113997072B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines 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
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
A70% low floor tram truck assembly method includes a power truck assembly method and a non-power truck assembly method. According to the invention, the assembly procedures of the bogie are assembled in parallel on a plurality of branch lines, so that the whole assembly 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 productivity is improved.
Description
Technical Field
The invention relates to a tramcar, in particular to a method for assembling a 70% low-floor tramcar bogie.
Background
The 70% low floor tramcar bogie comprises a power bogie and a non-power bogie, wherein the existing bogie stations are divided into 4 stations of frame paint, frame assembly, driving assembly and bogie assembly, and are assembled in a serial mode, and the existing assembly method is used for serial connection, and the assembly period is inconsistent with the beat, so that the waiting waste condition can occur in production.
Disclosure of Invention
The invention aims to provide a method for assembling a 70% low-floor tramcar bogie, which improves 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) Driving the assembly station operation flow:
(1.1) wheel set press fitting;
(1.2) wheel set backpressure;
(1.3) axle box assembly;
(1.4) motor assembly;
(1.5) running-in test;
(1.6) preassembling a series of conical rubber piles and assembling magnetic tracks in a braking way;
(2) The frame/assembly station operation flow:
(2.1) hydraulic unit assembly, accumulator assembly, brake pipeline and mudguard assembly, magnetic track brake wearing plate assembly, bogie mark installation, secondary hourglass rubber stack assembly, secondary vertical hydraulic shock absorber assembly, secondary transverse hydraulic shock absorber assembly and secondary stop assembly;
(2.2) truck wiring except for three phase lines of the motor;
(2.3) dropping the drive assembled in the step (1) and the frame assembled by the wiring in the step (2.2) into a bogie;
(2.4) stop plate assembly, primary conical rubber pile assembly, stone sweeper assembly, rim lubricating device assembly, brake disc assembly and passive brake clamp assembly, bogie motor three-phase line wiring and wheel pair driving device assembly;
(2.5) a bogie weighing spring;
(2.6) swing bolster assembly;
(2.7) assembling a traction device, and connecting a secondary suspension device with the swing bolster;
the non-power bogie assembly method comprises the following steps:
(1) Driving the assembly station operation flow:
(1.1) brake disc inner band assembly;
(1.2) wheel set press fitting;
(1.3) wheel set back pressure;
(1.4) axle box assembly and brake disc assembly;
(1.5) preassembling a series of conical rubber piles and assembling magnetic tracks in a braking way;
(2) The frame/assembly station operation flow:
(2.1) secondary transverse hydraulic shock absorber assembly, secondary hourglass rubber pile assembly, secondary stop assembly, brake pipeline assembly, bogie wiring, active brake unit assembly, mudguard assembly, load sensor assembly, bogie lifting device assembly, bogie identification installation and magnetic track brake wear plate assembly;
(2.2) putting the wheel set assembled in the step (1) and the framework assembled in the step (2.1) into a bogie;
(2.3) stop plate assembly and a series of conical rubber stack assembly;
(2.4) a bogie weighing spring;
(2.5) the whole car falls into;
(2.6) assembling a transverse stop seat, a traction device and a two-system vertical hydraulic shock absorber, and a height adjusting rod.
According to the invention, the assembly procedures of the bogie are assembled in parallel on a plurality of branch lines, so that the whole assembly 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 productivity is improved.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the assembly procedures of the bogie are assembled in parallel on a plurality of branch lines, so that the whole assembly 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 productivity is improved.
Drawings
FIG. 1 is a power truck assembly flow chart.
FIG. 2 is a flow chart of a non-power bogie assembly.
Detailed Description
The invention is further described below with reference to the drawings.
The 70% low-floor tramcar adopts a double cab structure of a 3-group single-articulated car body mode, namely, cabs are arranged at two ends of the train, both end cars and intermediate cars are of a single car structure, a power bogie is arranged under the end cars, and the intermediate cars are provided with a non-power bogie.
The main components of the power bogie are integrally welded with a Chinese character 'ri' shaped framework, a swing bolster, a wheel set driving device, a traction device, a primary suspension, a secondary suspension, a basic braking device, a rim lubricating device and the like.
The power bogie frame adopts a Chinese character 'ri' shaped welding structure and consists of side beams, cross beams and end beams, wherein the side beams, the cross beams and the end beams are all designed into a box-shaped structure, and a plurality of partition plates are arranged inside the power bogie frame; 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 lifting seat and an integral lifting seat are welded on the side beam; the cross beam is designed into a box-shaped 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 braking limiting seat and the like; the end beam is provided with a gear box hanging seat, a hydraulic braking unit installation seat, a sanding device installation seat and a wheel rim lubricating device oil tank installation seat.
The power steering frame swing bolster is of a welded U-shaped box structure, is connected with the vehicle body and the framework through a center pin traction device and traction pull rods which are arranged in an oblique symmetrical mode respectively, and a transverse shock absorber and a transverse stop are arranged between the swing bolster and the steering frame; the upper side bearing plate is welded on the truck body, the truck body is supported on the bogie through the side bearing, the side bearing is directly arranged in the side bearing box on the swing bolster, and when the truck passes through a small radius curve, the swing bolster and the bogie frame synchronously rotate, and the truck body slides relatively on the side bearing.
The power bogie wheel set driving device 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 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 framework beam through a rubber joint; one end of the gear box is elastically hung on a framework beam 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 consists of traction pull rods which are obliquely and symmetrically arranged between the swing bolster and the framework, traction pins which are arranged below the body sleeper beam, traction center rubber joints which are arranged in the center hole of the swing bolster, and the like.
The primary suspension device of the power bogie consists of a primary conical rubber pile, an adjusting pad and the like which are arranged between the framework and the axle box; there are 8 sets of primary conical rubber stacks per power bogie.
The secondary suspension device of the power steering frame consists of a transverse shock absorber, a secondary hourglass-shaped rubber pile, a transverse stop and the like which are arranged between the framework and the swing bolster; each power bogie is provided with 4 groups of two-system hourglass rubber piles, 2 transverse shock absorbers and 2 transverse stops.
The power bogie foundation brake consists of a brake disc installed on the gear box, a hydraulic brake unit installed on the frame, a magnetic rail brake hung on the axle box, a brake pipeline on the frame, etc.
As shown in fig. 1, the power bogie assembly method:
(1) Driving the assembly station operation flow:
(1.1) wheel set press fitting;
(1.2) wheel set backpressure;
(1.3) axle box assembly;
(1.4) motor assembly;
(1.5) running-in test;
(1.6) preassembling a series of conical rubber piles and assembling magnetic tracks in a braking way;
(2) The frame/assembly station operation flow:
(2.1) hydraulic unit assembly, accumulator assembly, brake pipeline and mudguard assembly, magnetic track brake wearing plate assembly, bogie mark installation, secondary hourglass rubber stack assembly, secondary vertical hydraulic shock absorber assembly, secondary transverse hydraulic shock absorber assembly and secondary stop assembly;
(2.2) truck wiring except for three phase lines of the motor;
(2.3) dropping the drive assembled in the step (1) and the frame assembled by the wiring in the step (2.2) into a bogie;
(2.4) stop plate assembly, primary conical rubber pile assembly, stone sweeper assembly, rim lubricating device assembly, brake disc assembly and passive brake clamp assembly, bogie motor three-phase line wiring and wheel pair driving device assembly;
(2.5) a bogie weighing spring;
(2.6) swing bolster assembly;
(2.7) the traction device is assembled, and the secondary suspension device is connected with the swing bolster.
In the assembling method of the power bogie wheel set driving device, the material purchasing process is further included before the wheel set is pressed and assembled:
(1) Axle box bearings, wheels, brake discs, axles, output end couplings, hollow shafts, gear boxes, input end couplings and traction motors are purchased respectively;
(2) The brake disc is assembled with the axle through hot sleeving;
(3) The output end coupling is pressed with the axle;
(4) The brake disc is assembled with the hollow shaft in a hot sleeve manner;
(5) The input end coupling is pressed with the gear box;
(6) The input end coupling is pressed with the traction motor;
(7) The step (3) part, the step (4) part and the step (5) part complete the assembly of the power axle and the gearbox transmission mechanism;
(8) The wheel set is pressed and assembled by the wheel, the component in the step (2) and the component in the step (7).
The main components of the non-power bogie comprise an integrally welded H-shaped framework, an axle box device, a traction device, a primary suspension, a secondary suspension, a foundation brake device and the like.
The non-power bogie frame adopts an H-shaped welding structure and consists of side beams and cross beams, wherein the side beams and the cross beams are all designed into a box-shaped structure, and a plurality of partition plates are arranged inside the non-power bogie frame; the side beams are 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 lifting seat and the like are welded on the side beams; the cross beam is designed into a box-shaped structure, and is provided with 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 lifting seat and the like.
The non-power bogie wheel pair axle box device consists of wheel pairs, axle box assembly and the like.
The non-power bogie traction device consists of a traction seat arranged on a sleeper beam of the middle frame, a traction pull rod arranged between the framework and the traction seat, and the like.
The primary suspension device of the non-power bogie consists of a primary cone-shaped rubber pile, an adjusting pad and the like which are arranged between the framework and the axle box; there are 8 sets of one-series conical rubber stacks per non-power bogie.
The secondary suspension device of the non-power bogie consists of a transverse shock absorber, a secondary hourglass-shaped rubber pile, a transverse stop seat and the like which are arranged between the framework and the vehicle body; every non-power bogie has 4 groups of two-system hourglass rubber piles, 1 transverse shock absorber and 2 transverse stops.
The foundation brake of the non-power bogie consists of a brake disc arranged on an axle, a brake arranged on a framework, a magnetic rail brake hung on an axle box, a load sensor arranged on the side surface of a side beam, a brake pipeline arranged on the framework and the like.
As shown in fig. 2, the non-power bogie assembly method:
(1) Driving the assembly station operation flow:
(1.1) brake disc inner band assembly;
(1.2) wheel set press fitting;
(1.3) wheel set back pressure;
(1.4) axle box assembly and brake disc assembly;
(1.5) preassembling a series of conical rubber piles and assembling magnetic tracks in a braking way;
(2) The frame/assembly station operation flow:
(2.1) secondary transverse hydraulic shock absorber assembly, secondary hourglass rubber pile assembly, secondary stop assembly, brake pipeline assembly, bogie wiring, active brake unit assembly, mudguard assembly, load sensor assembly, bogie lifting device assembly, bogie identification installation and magnetic track brake wear plate assembly;
(2.2) putting the wheel set assembled in the step (1) and the framework assembled in the step (2.1) into a bogie;
(2.3) stop plate assembly and a series of conical rubber stack assembly;
(2.4) a bogie weighing spring;
(2.5) the whole car falls into;
(2.6) assembling a transverse stop seat, a traction device and a two-system vertical hydraulic shock absorber, and a height adjusting rod.
The method also comprises the following steps of:
(1) Preparing materials and tools;
(2) Downloading;
(3) Stripping the shielding wire;
(4) Arranging wire harnesses and sleeving wire numbers;
(5) Manufacturing a connector;
(6) And (5) quality inspection.
According to the invention, the assembly procedures of the bogie are assembled in parallel on a plurality of branch lines, so that the whole assembly 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 productivity is improved.
Claims (2)
1. A 70% low floor tram truck assembly method comprising a power truck assembly method and a non-power truck assembly method, characterized by:
the power bogie assembling method comprises the following steps:
(1) Driving the assembly station operation flow:
(1.1) wheel set press fitting;
(1.2) wheel set backpressure;
(1.3) axle box assembly;
(1.4) motor assembly;
(1.5) running-in test;
(1.6) preassembling a series of conical rubber piles and assembling magnetic tracks in a braking way;
(2) The frame/assembly station operation flow:
(2.1) hydraulic unit assembly, accumulator assembly, brake pipeline and mudguard assembly, magnetic track brake wearing plate assembly, bogie mark installation, secondary hourglass rubber stack assembly, secondary vertical hydraulic shock absorber assembly, secondary transverse hydraulic shock absorber assembly and secondary stop assembly;
(2.2) truck wiring except for three phase lines of the motor;
(2.3) dropping the drive assembled in the step (1) and the frame assembled by the wiring in the step (2.2) into a bogie;
(2.4) stop plate assembly, primary conical rubber pile assembly, stone sweeper assembly, rim lubricating device assembly, brake disc assembly and passive brake clamp assembly, bogie motor three-phase line wiring and wheel pair driving device assembly;
(2.5) a bogie weighing spring;
(2.6) swing bolster assembly;
(2.7) assembling a traction device, and connecting a secondary suspension device with the swing bolster;
the non-power bogie assembly method comprises the following steps:
(1) Driving the assembly station operation flow:
(1.1) brake disc inner band assembly;
(1.2) wheel set press fitting;
(1.3) wheel set back pressure;
(1.4) axle box assembly and brake disc assembly;
(1.5) preassembling a series of conical rubber piles and assembling magnetic tracks in a braking way;
(2) The frame/assembly station operation flow:
(2.1) secondary transverse hydraulic shock absorber assembly, secondary hourglass rubber pile assembly, secondary stop assembly, brake pipeline assembly, bogie wiring, active brake unit assembly, mudguard assembly, load sensor assembly, bogie lifting device assembly, bogie identification installation and magnetic track brake wear plate assembly;
(2.2) putting the wheel set assembled in the step (1) and the framework assembled in the step (2.1) into a bogie;
(2.3) stop plate assembly and a series of conical rubber stack assembly;
(2.4) a bogie weighing spring;
(2.5) the whole car falls into;
(2.6) assembling a transverse stop seat, a traction device and a two-system vertical hydraulic shock absorber, and a height adjusting rod.
2. A method of assembling a 70% low floor tram truck according to claim 1, wherein: the method also comprises the following steps of:
(1) Preparing materials and tools;
(2) Downloading;
(3) Stripping the shielding wire;
(4) Arranging wire harnesses and sleeving wire numbers;
(5) Manufacturing a connector;
(6) And (5) quality inspection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406005.0A CN113997072B (en) | 2021-11-24 | 2021-11-24 | 70% low-floor tramcar bogie assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406005.0A CN113997072B (en) | 2021-11-24 | 2021-11-24 | 70% low-floor tramcar bogie assembling method |
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| Publication Number | Publication Date |
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| CN113997072A CN113997072A (en) | 2022-02-01 |
| CN113997072B true CN113997072B (en) | 2023-06-13 |
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Citations (6)
| 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 |
-
2021
- 2021-11-24 CN CN202111406005.0A patent/CN113997072B/en active Active
Patent Citations (6)
| 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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| CN113997072A (en) | 2022-02-01 |
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