CN102079338B - Method for enhancing installation accuracy of components in carriage - Google Patents
Method for enhancing installation accuracy of components in carriage Download PDFInfo
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- CN102079338B CN102079338B CN 201010601508 CN201010601508A CN102079338B CN 102079338 B CN102079338 B CN 102079338B CN 201010601508 CN201010601508 CN 201010601508 CN 201010601508 A CN201010601508 A CN 201010601508A CN 102079338 B CN102079338 B CN 102079338B
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Abstract
The invention discloses a method for enhancing the installation accuracy of components in a carriage. The method comprises the following steps of: forming at least five reference points on a carriage floor along a longitudinal straight line, wherein two reference points are formed respectively at positions which are at preset distances away from the two end parts of the carriage; the distance between every two reference points is smaller than a preset value Lmin; bases and measuring bolts are arranged at the reference points; the bases are fixed on a carriage underframe; and the measuring bolts are arranged on the bases and are movably connected with the bases; and arranging components in the carriage by taking the reference points as positioning references. According to the method, the installation accuracy of the components in a vehicle can be effectively enhanced; and the method is simple and practical. The method has the advantages that: installation references are unique and uniform, so that recurrent and repeated positioning errors of the references can be reduced and the installation accuracy of the components in the vehicle is greatly enhanced.
Description
Technical field
The present invention relates to machinery and manufacturing technology field, be specifically related to a kind of method that improves passenger car inner component setting accuracy.
Background technology
Carriage of passenger train inner component (such as partitions) is installed at present, and most of car body manufacturing errors that adopts is cut apart by the zone, and regional (layout) digests respectively the method for error quota and carries out entrucking.
The reference for installation of interior spare is that disperse, fuzzy, even the installation between some car inner component is mutually restriction.Such as, the interior trim framed side wallboard is installed, must be take the car body side window as benchmark, be subjected to the restriction of vehicle window setting accuracy, and the reference for installation of vehicle window is the perforate location that depends on the car body, that is to say the setting accuracy of interior trim framed side wallboard, depend on that car body is to the perforate precision of vehicle window and the setting accuracy of vehicle window itself.In addition, install such as floor in the car, normally by end of car body beginning is installed, install to the “A” end of car order, very long because of car body, floor quantity is a lot, and this will cause the accumulation of error excessive, so that prefabricated eyelet and built-in fitting position and car load position relationship change on the floor, very likely affect the installation of later process.In addition, the benchmark installed of nearly all interior car parts all be faintly, uncertain.
Generally speaking, the reference for installation of compartment inside components is that a chain of and chaotic, the continuous cumulative effect of error the setting accuracy of all parts.
Summary of the invention
The invention provides a kind of method that improves passenger car inner component setting accuracy.
A kind of method that improves passenger car inner component setting accuracy provided by the invention comprises:
Longitudinally straight line is arranged at least 5 bench marks on floor compartment, wherein respectively arranges two bench marks at the preset distance place at both ends, distance compartment, and distance is less than predetermined value Lmin between these two bench marks;
Described datum is provided with pedestal and measures bolt, and this pedestal is fixed on the carriage chassis, and described measurement bolt is installed on the described pedestal, and described measurement bolt and pedestal are flexibly connected;
Take described bench mark as positioning datum, carry out the installation of each parts in the compartment.
More appropriately, described measurement bolt is bolt, and screw thread is arranged in the pedestal;
Preferably, one of them bench mark is arranged on the car body floor along being positioned at the middle part, compartment on the straight line of vehicle commander's direction, and the distance of this distance between reference end is greater than predetermined value Lmax.
More appropriately, measure the bolt central spot and be provided with mark, described take bench mark as positioning datum, carry out the installation of each parts in the compartment, specifically comprise:
Utilize laser measuring apparatus to determine the particular location that the car inner component is installed based on the mark of described measurement bolt central spot.
The positioning datum that the method for raising passenger car inner component setting accuracy provided by the invention, as fired basis are installed as the car inner component on schedule, but Effective Raise car inner component setting accuracy, and simple.Its advantage is, reference for installation uniqueness, unitarity can reduce the position error of the benchmark chain of rings, repetition, thereby has improved greatly the installation accuracy rate of car inner component.
Description of drawings
Fig. 1 is the method flow diagram of the raising setting accuracy in the embodiment of the invention;
Reference point location scheme drawing in the compartment that provides in the embodiment of the invention is provided Fig. 2;
Fig. 3 is bench mark structural representation in the embodiment of the invention.
The specific embodiment
In view of the deficiencies in the prior art and defective, the invention provides a kind of method that improves passenger car inner component setting accuracy, by the method for the positioning datum point of some is set on the carriage of passenger train floor, guarantee the uniqueness of inside components positioning datum, circulation location, mutually restriction can not occur, can improve like this setting accuracy of interior spare.Be accompanied by the lifting of motor train unit speed, to the EMU inside components, the requirement of setting accuracy is also being had higher requirement.Adopt positioning datum point technology provided by the invention, can improve the inside components setting accuracy.
With reference to Fig. 1, a kind of method that improves passenger car inner component setting accuracy that the embodiment of the invention provides comprises the steps:
S01, longitudinally straight line is arranged some bench marks on floor compartment;
Longitudinally straight line is arranged at least 5 to 6 bench marks on floor compartment, and each bench mark is given the setting identification code;
Wherein respectively arrange two bench marks at the preset distance place at both ends, distance compartment, distance is less than predetermined value Lmin between these two bench marks;
One of them bench mark is arranged on the car body floor along being positioned at the middle part, compartment on the straight line of vehicle commander's direction, and the distance of this distance between reference end is greater than predetermined value Lmax.
Particularly, predetermined value Lmin is box width or Lmin=3 rice.
Particularly, predetermined value Lmax is 10 meters.
The setting principle of bench mark, the layout of end, compartment is comparatively numerous and diverse, and bench mark arranges and can arrange relatively closely that the two ends, compartment respectively arrange two bench marks, and spacing is generally less than 3 meters less than box width; Relatively rule is arranged in guest room, compartment zone, and (namely from horizontal line of centers intersection point) arranges a bench mark only in the center compartment position, apart from the bench mark of end generally greater than 10 meters; Common vehicle arranges 5 bench marks just can satisfy operating needs.For special purpose vehicle at the vehicle center place if any special arrangement, when causing bench mark normally to use, near this bench mark, set up a bench mark, general and first bench mark keeps a determining deviation, as about 1 meter.
Bench mark is obscured use by specification number to avoid the positioning datum point.As: IN.04.1, IN.04.3 represent respectively is first and the 3rd bench mark of No. 04 car, as shown in Figure 2.
Floor positioning datum point is arranged on the vehicle body bottom frame, and the first step that car body enters pre-assembled operation is base point of installation; After this bench mark installed, the installation of all car upper-parts all take bench mark as positioning datum, was carried out the installation of car inner component.
S02 is provided with pedestal and measures bolt in datum;
Pedestal 10 is set and measures bolt 20 at bench mark, the bench mark structure is fixed on the carriage chassis 40 at the pedestal 10 of datum setting as shown in Figure 3, measures bolt and is installed in pedestal;
Pedestal 10 is captiveed joint with carriage chassis 40, measures bolt 20 and is flexibly connected with pedestal 10, in the specific embodiment, measures bolt 20 and adopts bolt, and the screw thread that matches with this bolt is arranged in the pedestal 10; Measure bolt and pedestal and be threaded connection convenient disassembly.Measuring bolt is used to survey meter to provide benchmark to determine the particular location that the car inner component is installed.
S03 take described bench mark as positioning datum, carries out the installation of each parts in the compartment;
Particularly, be provided with mark in measurement bolt central spot, utilize laser measuring apparatus to determine the particular location that the car inner component is installed based on the mark of described measurement bolt central spot.
S04 after interior spare installs, will measure bolt and remove;
After the car inner component installs, then will measure bolt and remove, and install the cover plate 30 that covers bench mark, so far the positioning datum point is finished mission.
The positioning datum that the method for raising passenger car inner component setting accuracy provided by the invention, as fired basis are installed as the car inner component on schedule, but Effective Raise car inner component setting accuracy, and simple.Its advantage is, reference for installation uniqueness, unitarity can reduce the position error of the benchmark chain of rings, repetition, thereby has improved greatly the installation accuracy rate of car inner component.Before, the positioning datum that the passenger train inner component is installed be that mix, that each system (positioning parts) is that each does what he thinks is right, be rambling, the method that bench mark is set provided by the invention, can fundamentally reduce error, the positioning parts unifying datum of each system in the car has been managed, compared with localization method in the past and have significant advantage.On the car inside components according to separately position onboard, selection reference is put to locate nearby, and the use of bench mark has run through the flow chart of whole pre-assembled and total assembling.
Adopt positioning datum point technology provided by the invention, but the setting accuracy of Effective Raise passenger car inside components, with the demand of the high speed train that adapts to development.
Although the present invention with preferred embodiment openly as above; but it is not to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (8)
1. a method that improves passenger car inner component setting accuracy is characterized in that, comprising:
Longitudinally straight line is arranged at least 5 bench marks on floor compartment, wherein respectively arranges two bench marks at the preset distance place at both ends, distance compartment, and distance is less than predetermined value Lmin between these two bench marks;
Described datum is provided with pedestal and measures bolt, and this pedestal is fixed on the carriage chassis, and described measurement bolt is installed on the described pedestal, and described measurement bolt and pedestal are flexibly connected;
Take described bench mark as positioning datum, carry out the installation of each parts in the compartment.
2. the method for claim 1 is characterized in that, described measurement bolt is bolt, and screw thread is arranged in the pedestal.
3. the method for claim 1 is characterized in that, one of them bench mark is arranged on the car body floor along being positioned at the middle part, compartment on the straight line of vehicle commander's direction, and the distance of this distance between reference end is greater than predetermined value Lmax.
4. the method for claim 1 is characterized in that, measures the bolt central spot and is provided with mark, and is described take bench mark as positioning datum, carries out the installation of each parts in the compartment, specifically comprises:
Utilize laser measuring apparatus to determine the particular location that the car inner component is installed based on the mark of described measurement bolt central spot.
5. the method for claim 1 is characterized in that,
Described predetermined value Lmin is box width; Or
Described predetermined value Lmin is 3 meters.
6. method as claimed in claim 3 is characterized in that,
Described predetermined value Lmax is 10 meters.
7. such as claim 1 or 4 described methods, it is characterized in that, further comprise: after interior spare installs, will measure bolt and remove.
8. method as claimed in claim 7 is characterized in that, further comprises:
After will measuring the bolt dismounting, the cover plate that covers bench mark is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010601508 CN102079338B (en) | 2010-12-09 | 2010-12-09 | Method for enhancing installation accuracy of components in carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010601508 CN102079338B (en) | 2010-12-09 | 2010-12-09 | Method for enhancing installation accuracy of components in carriage |
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| Publication Number | Publication Date |
|---|---|
| CN102079338A CN102079338A (en) | 2011-06-01 |
| CN102079338B true CN102079338B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010601508 Active CN102079338B (en) | 2010-12-09 | 2010-12-09 | Method for enhancing installation accuracy of components in carriage |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4441290C1 (en) * | 1994-11-21 | 1996-04-04 | Aeg Schienenfahrzeuge | Oscillation and sound=dampening connection element for passenger carriages |
| EP0798190A2 (en) * | 1996-03-29 | 1997-10-01 | Deutsche Waggonbau AG | Process for positioning of add-on units on the large sections of a modular railway vehicle |
| JP2000052981A (en) * | 1998-08-12 | 2000-02-22 | Tokyu Car Corp | Body structure for rolling stock |
| CN1364126A (en) * | 1999-06-09 | 2002-08-14 | 勃姆巴迪尔运输有限公司 | Floor for vehicles, in particular, rail vehicles for transporting passengers |
| EP1508489A2 (en) * | 2003-08-18 | 2005-02-23 | Siemens Aktiengesellschaft | Floor of a vehicle carrying a large number of passengers, in particular a rail vehicle |
-
2010
- 2010-12-09 CN CN 201010601508 patent/CN102079338B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4441290C1 (en) * | 1994-11-21 | 1996-04-04 | Aeg Schienenfahrzeuge | Oscillation and sound=dampening connection element for passenger carriages |
| EP0798190A2 (en) * | 1996-03-29 | 1997-10-01 | Deutsche Waggonbau AG | Process for positioning of add-on units on the large sections of a modular railway vehicle |
| JP2000052981A (en) * | 1998-08-12 | 2000-02-22 | Tokyu Car Corp | Body structure for rolling stock |
| CN1364126A (en) * | 1999-06-09 | 2002-08-14 | 勃姆巴迪尔运输有限公司 | Floor for vehicles, in particular, rail vehicles for transporting passengers |
| EP1508489A2 (en) * | 2003-08-18 | 2005-02-23 | Siemens Aktiengesellschaft | Floor of a vehicle carrying a large number of passengers, in particular a rail vehicle |
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| Publication number | Publication date |
|---|---|
| CN102079338A (en) | 2011-06-01 |
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Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee after: CRRC TANGSHAN CO., LTD. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee before: Tangshan Railway Carriage Co., Ltd. |