CN202648965U - Dynamic stress testing apparatus assembly and motor train unit - Google Patents
Dynamic stress testing apparatus assembly and motor train unit Download PDFInfo
- Publication number
- CN202648965U CN202648965U CN 201220320308 CN201220320308U CN202648965U CN 202648965 U CN202648965 U CN 202648965U CN 201220320308 CN201220320308 CN 201220320308 CN 201220320308 U CN201220320308 U CN 201220320308U CN 202648965 U CN202648965 U CN 202648965U
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- dynamic stress
- proving installation
- main body
- body frame
- stress proving
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Abstract
The utility model relates to a dynamic stress testing apparatus assembly and a motor train unit, wherein the dynamic stress testing apparatus assembly comprises a dynamic stress testing apparatus and a bearing rack, the bearing rack comprises a main body framework, a mounting beam and a hoisting structure, the main body framework is provided with a containing cavity, the dynamic stress testing apparatus is contained in the containing cavity, the mounting beam is arranged in the main body framework and fixedly connected with the dynamic stress testing apparatus, the hoisting structure is arranged on the main body framework to form a transition cavity for containing other electrical devices and vehicle braking pipelines, and the upper end of the hoisting structure is provided with a fixing connection structure fixed with the mounting surface. The dynamic stress testing apparatus assembly can enable the dynamic stress testing apparatus to be mounted in place in the prior device cabin of a vehicle, thereby satisfying the demands that the high speed motor train unit undergoes a long-term dynamic stress tracking test under a passenger-carrying operation condition.
Description
Technical field
The utility model relates to equipment of railway transportation, relates in particular to EMU dynamic stress proving installation assembly and motor train unit.
Background technology
Along with the raising of EMU overall trip speed, rail wheeling action and pneumatic action are strengthened, and the structure such as equipment compartment is born complicated alternation dynamic loading under bogie, car body and the car, and long-term accumulated can produce fatigue breakdown, even has influence on safety in operation.Design Stage predict by simulation analysis EMU under arms the fatigue behaviour in the cycle also have certain uncertainty, need EMU is carried out the special item test for this reason, verify and optimize the fatigue behaviour of crucial carrier by dynamic stress test and life appraisal, this has become the interior a kind of technology commonly used of railway systems.
Common dynamic stress test is carried out under non-operation operating mode, and the test duration is relatively short, can not simulate the state of normal operation train fully.And tracking test is a kind of experimental technique that grew up in recent years, it is in the situation that does not affect the normal operation of train, for motor train unit under arms the performance in the process carry out long-term monitoring, can study the performance variation law of EMU within the difference military service cycle comprehensively, utilization maintenance and the new-product development of motor train unit provided support.
The mounting means of dynamic stress proving installation is for the certain impact of producing of tracking test.For example, owing to be a kind of more satisfactory mode when the dynamic stress proving installation is installed under the car of EMU equipment compartment, but the electric interfaces of dynamic stress proving installation need to by signal wire be arranged in advance that the foil gauge on the equipment mount pad is connected under the car, and dynamic stress proving installation physical dimension is generally 606mmX486mmX306mm, because the size of dynamic stress proving installation is larger, is difficult to utilize in the equipment compartment under the car existing mounting structure that the dynamic stress proving installation is in place.The therefore existing employed dynamic stress proving installation of EMU, normally adopt the dynamic stress proving installation is installed in the car by the seat temporarily, this mode can be accepted in that test circuit is in service, because undesired carrying of this stage, if test the space of taking that then not only affects the passenger at the carrying train, nor easily realize the laying of the used electric wire of test.On the other hand, the fixed sturcture of dynamic stress proving installation can not satisfy the requirement of long-term follow test at present, and the easy vibration-generating distortion of train dynamic stress proving installation in the high-speed cruising process reduces signal transmission quality, causes test figure inaccurate.So existing dynamic stress test is confined to the motor train unit test run, can not test train main track operating condition, can accurately not gather the dynamic stress delta data of equipment structure under the main track running status.
The utility model content
The utility model provides a kind of dynamic stress proving installation assembly, is implemented in the limited space of the equipment compartment of existing vehicle the dynamic stress proving installation is in place, and carries out the requirement of long-term dynamic stress tracking and testing under carrying operation operating mode to satisfy EMU.
The utility model provides a kind of motor train unit, can run in carrying and carry out long-term dynamic stress tracking and testing under the operating mode.
The utility model provides a kind of dynamic stress proving installation assembly, comprises dynamic stress proving installation and carrier, and described carrier comprises: main body frame, mounting rail and hoisting structure; Main body frame is formed with container cavity, and described dynamic stress proving installation is contained in the container cavity; Mounting rail is arranged in the main body frame, is fixedly connected with described dynamic stress proving installation; Hoisting structure is arranged at above the main body frame, and forming can accommodating other electric equipment and the adapter cavity of vehicle brake conduit, and the upper end of described hoisting structure has and can be used in the fixed connection structure fixing with installed surface.
Described dynamic stress proving installation assembly, wherein, described mounting rail adopts groove shape aluminium section bar, is arranged on the bottom of main body frame; Described main body frame adopts the square tube aluminium section bar, and the test cable of described dynamic stress proving installation is arranged along the outside surface of main body frame; Described main body frame, mounting rail and hoisting structure are welded and fixed.
Described dynamic stress proving installation assembly also comprises grounding base, and grounding base is arranged on the described main body frame, is used for connecting ground wire.
Described dynamic stress proving installation assembly, wherein, hoisting structure comprises joint pin, and described joint pin lower end is connected with described main body frame, and the upper end of described joint pin is provided with the sheet contiguous block, is used for interfixing by bolt with described installed surface.
Described dynamic stress proving installation assembly, wherein, described sheet contiguous block is provided with the Long Circle bolt hole.
Described dynamic stress proving installation assembly, wherein, the bottom surface copline of the end face of described container cavity and described adapter cavity, and the area of the end face of container cavity is less than or greater than the area of the bottom surface of described adapter cavity.
The utility model provides a kind of motor train unit, comprise car body and above-mentioned dynamic stress proving installation assembly, described car body lower end is provided with equipment compartment, equipment compartment end face fixedly suspended electric equipment and vehicle brake conduit, described electric equipment and vehicle brake conduit are contained in the described adapter cavity, and the upper end of described hoisting structure is fixedly connected with the equipment compartment end face.
Based on above-mentioned, dynamic stress proving installation assembly of the present utility model, adopt main body frame and hoisting structure, form the container cavity of accommodating dynamic stress proving installation and form the adapter cavity of accommodating other equipment, can walk around other equipment the dynamic stress proving installation is installed by adapter cavity is set, rationally utilize the space in existing vehicle arrangement cabin, under carrying operation operating mode, carried out the requirement of long-term dynamic stress tracking and testing to satisfy EMU.
Description of drawings
Figure 1 shows that the structural representation of the carrier of the dynamic stress proving installation assembly that the utility model provides.
Reference numeral:
101: main body frame 102: mounting rail 103: hoisting structure
104: container cavity 105: adapter cavity 106: grounding base
107: sheet contiguous block 108: Long Circle bolt hole 109: the aluminium gusset
110: buttress brace 111: joint pin
Embodiment
Figure 1 shows that the structural representation of the carrier of the dynamic stress proving installation assembly that the utility model provides, present embodiment can be arranged under the EMU car in the equipment compartment.The concrete structure of this dynamic stress proving installation assembly is as follows:
Please refer to Fig. 1, dynamic stress proving installation assembly comprises dynamic stress proving installation (not shown) and carrier, and described carrier comprises main body frame 101, mounting rail 102 and hoisting structure 103; Main body frame 101 forms container cavity 104, and described dynamic stress proving installation can be contained in the container cavity 104; Mounting rail 102 is arranged in the main body frame 101, is fixedly connected with described dynamic stress proving installation; Hoisting structure 103 is arranged at above the main body frame 101, being formed for the adapter cavity 105 of accommodating other electric equipments and vehicle brake conduit on main body frame top, and the upper end of described hoisting structure 103 has and can be used in the fixed connection structure fixing with installed surface.
Wherein, main body frame 101 can be the rectangular parallelepiped framed structure, to be suitable in the container cavity 104 of its formation, holding the dynamic stress proving installation, simultaneously, in the installation of satisfying the dynamic stress proving installation, operation, safeguard under the prerequisite in space, can reduce the shared space of main body frame 101 as far as possible, when in the equipment compartment that dynamic stress proving installation assembly is installed on vehicle, be beneficial to and rationally utilize limited space.By hoisting structure 103 is set on main body frame 101, to form adapter cavity 105, owing to be provided with other electric equipments and vehicle brake conduit in the equipment compartment of vehicle, other electric equipments comprise wire casing structure, sensor, therefore, can come other electric equipments and vehicle brake conduit in the housing apparatus cabin by adapter cavity 105, thereby can in other electric equipments and vehicle brake conduit existence, install the dynamic stress proving installation, realize the reasonable utilization in space in the equipment compartment, the upper end of hoisting structure 103 is designed for the structure that is fixedly connected with installed surface simultaneously, so that carrier can with the suspention mode be fixedly connected with car body, thereby reduce Vehicular vibration to the impact of dynamic stress proving installation.By be provided with mounting rail 102 in main body frame 101, mounting rail 102 preferably adopts bolt to be fixedly connected with the dynamic stress proving installation, so that more firm being installed in the main body frame 101 of dynamic stress proving installation.Setting by carrier, make the dynamic stress proving installation that special installing space arranged, made things convenient for the installation and maintenance of dynamic stress proving installation, both satisfied the requirement of experimental test operating space, can not affect again other equipment in the equipment compartment, avoid interfering phenomenon with other equipment.
On the basis of technique scheme, main body frame 101, mounting rail 102 and hoisting structure 103 can adopt and be welded and fixed, and make carrier stability stronger.
The main body frame 101 preferred square tube aluminium section bars that adopt are welded, the square tube aluminium section bar can be the thick square tube aluminium section bar of 4mm, the test cable of dynamic stress proving installation can be arranged along the outside surface of main body frame 101, makes things convenient for laying and the colligation of equipment input and output electric wire.The square tube aluminium section bar is the aluminium alloy material preferentially, AlMg4.5Mn0.7 for example, section is 40mmX40mm, section material section is easy to make for cross dimensions commonly used, in addition, the square tube aluminium section bar adopts the section section bar of 40mmX40mm can easily the cable tie seat be fixed on the outside surface of square tube aluminium section bar, thereby provides convenience for the standardization of the wire layout of equipment, and is not frayed under the input and output electric wire long-time running of guarantee dynamic stress proving installation.The square tube aluminium section bar can carry out chamfer machining again after cutting into the length that needs, cut out groove, and for next step welding is prepared, during welding, it is the groove welding of 3mm that the weld seam interface can all adopt groove depth, increases weld strength.Adopt the purpose of aluminium material in order that light-weight design reduces the load-bearing of car body, the utility model is not limited to this.
The quantity of mounting rail 102 is preferably three, and three groove shape aluminium section bars can be set according to the position of the mounting points on the dynamic stress proving installation, mounting rail 102 is provided with mounting hole, when the dynamic stress proving installation is installed, make the mounting hole of mounting rail 102 corresponding with the mounting points on the dynamic stress proving installation, and adopt bolt to connect.Mounting hole on the mounting rail 102 can carry out machine work and obtain after whole carrier welding is complete, to guarantee the precision in hole, the diameter of mounting hole can be 9mm, is used for installing the fastening bolt of M8, and the utility model is not limited to this.
On the basis of technique scheme; on main body frame 101 grounding base 106 can be set, the dynamic stress proving installation can directly be connected with grounding base 106, and grounding base 106 is used for linking to each other with ground wire; to satisfy the equipment ground demand; play simultaneously protection equipment and staff's purpose, the quantity of grounding base 106 is preferably three, and one of them satisfies the M8 bolt and installs; two are satisfied the M4 bolt and install; connect base and can adopt the aluminium block structure, the surface processing of not painting, the utility model is not limited to this.
On the basis of technique scheme, hoisting structure 103 comprises joint pin 111, described joint pin 111 lower ends are connected with described main body frame 101, the upper end of joint pin 111 can be provided with sheet contiguous block 107, be used for interfixing by bolt with the installed surface of car body, when carrier is located at the equipment compartment of car body lower end, sheet contiguous block 107 can interfix by bolt with the C type groove of equipment compartment upper surface, utilize so the interior original C type groove of equipment compartment to carry out the installation of carrier, do not increase the change of car body, can not impact body construction.Described sheet contiguous block 107 can be provided with Long Circle bolt hole 108 to strengthen its assembling adaptability.
Preferably, sheet contiguous block 107 can adopt simple aluminum plate cutting to form, aluminum plate can be the thick aluminum plate of 6mm, and offer Long Circle bolt hole 108 at the center of aluminum plate, the size of Long Circle bolt hole 108 can be 19mmX13mm, be used for the bolted of M12 and guarantee whole carrier in the controllability of car body longitudinal direction, the utility model is not limited to this.
Because the space of carrier is subjected to the restriction of surrounding devices, also to guarantee simultaneously the stability of carrier, so carrier preferably adopts the mode of 4 suspentions to be connected with car body, the hoisting structure 103 of four points is subjected to the restriction in tie point space simultaneously, need controlling dimension on the structure, the utility model is not limited to this.
On the basis of technique scheme, the end face of main body frame 101 container cavity that forms 104 and the bottom surface of hoisting structure 103 formed adapter cavities 105 can all or part of coplines, namely, when part is coplanar and, the area of the end face of container cavity 104 is less than or greater than the area of the bottom surface of described adapter cavity 105, thus, can design according to the facilities of other electric equipments and vehicle brake conduit in the equipment compartment shape of carrier, with the space in the equipment compartment of utilizing more reasonably.When the area of the end face of container cavity 104 need to be less than the area of the bottom surface of adapter cavity 105, main body frame 101 can be designed to irregular tetragonal structure, wherein the area of main body frame 101 end face quadrilateral frames is greater than the area of its bottom surface quadrilateral frame, and hoisting structure 103 is arranged on the Si Jiaochu of main body frame 101 end face quadrilateral frames, in addition, the main body frame 101 end face quadrilateral frames part that exceeds the bottom surface quadrilateral frame can adopt the structure of welding buttress brace 110 to increase the intensity (referring to Fig. 1) of carrier.When the area of the end face of container cavity 104 need to be greater than the area of the bottom surface of adapter cavity 105, can be arranged on the area that position on the main body frame 101 end face quadrilateral frames reduces the bottom surface of adapter cavity 105 by changing hoisting structure 103.The utility model is not limited to this, is less than or greater than the area of the bottom surface of adapter cavity 105 as long as can realize the area of the end face of container cavity 104.
In another embodiment of the present utility model, a kind of motor train unit is provided, motor train unit comprises car body, also comprises above-mentioned dynamic stress test suite.The car body lower end is provided with equipment compartment, equipment compartment end face fixedly suspended electric equipment, vehicle brake conduit and above-mentioned dynamic stress proving installation assembly.The upper end of hoisting structure is fixedly connected with the equipment compartment end face, the dynamic stress proving installation is positioned at the container cavity of described assembly, electric equipment and vehicle brake conduit are contained in the adapter cavity of described assembly, owing to have above-mentioned dynamic stress proving installation assembly, the dynamic stress proving installation can be arranged in the equipment compartment of car body lower end by the mode of carrier with suspention, described motor train unit can be runed in carrying carry out long-term dynamic stress tracking and testing under the operating mode.
In sum, dynamic stress proving installation assembly of the present utility model, adopt main body frame and hoisting structure, form the container cavity of accommodating dynamic stress proving installation and form the adapter cavity of accommodating other equipment, can walk around other equipment the dynamic stress proving installation is installed by adapter cavity is set, rationally utilize the space in existing vehicle arrangement cabin.The dynamic stress proving installation is installed under the car by the suspension type carrier, safety, reliable, mounting means and structure is more reasonable and fixed form is firm, under the train normal operation, can not become flexible phenomenon by generation equipment, and the dynamic stress proving installation is completely enclosed within equipment compartment inside, can not be subject to rail level or trackside foreign matter the bump and damage.Carrier directly links to each other by bolt with vehicle bottom, and the dynamic stress proving installation is installed on the carrier by bolt, avoids the damage of dynamic stress proving installation when larger instantaneous vibration and impulse occur train.Because the dynamic stress proving installation is installed in the vehicle arrangement cabin by carrier, testing crew only needs the equipment compartment side skirt is opened when collecting test data, just can see dynamic stress proving installation body, is easy to downloading data.Because carrier belongs to framed structure, the operating space around the dynamic stress proving installation is large, is convenient to maintenance and the dismounting of dynamic stress proving installation.Dynamic stress proving installation assembly of the present utility model can be applicable to the above rank EMU of speed per hour 200km.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a dynamic stress proving installation assembly comprises the dynamic stress proving installation, it is characterized in that, also comprise carrier, described carrier comprises:
Main body frame is formed with container cavity, and described dynamic stress proving installation is contained in the container cavity;
Mounting rail is arranged in the main body frame, is fixedly connected with described dynamic stress proving installation;
Hoisting structure is arranged at above the main body frame, and forming can accommodating other electric equipment and the adapter cavity of vehicle brake conduit, and the upper end of described hoisting structure has and can be used in the fixed connection structure fixing with installed surface.
2. dynamic stress proving installation assembly according to claim 1 is characterized in that:
Described mounting rail adopts groove shape aluminium section bar, is arranged on the bottom of main body frame;
Described main body frame adopts the square tube aluminium section bar, and the test cable of described dynamic stress proving installation is arranged along the outside surface of main body frame;
Described main body frame, mounting rail and hoisting structure are welded and fixed.
3. dynamic stress proving installation assembly according to claim 2 is characterized in that, also comprises: grounding base, be arranged on the described main body frame, and be used for connecting ground wire.
4. dynamic stress proving installation assembly according to claim 1, it is characterized in that: hoisting structure comprises joint pin, described joint pin lower end is connected with described main body frame, and the upper end of described joint pin is provided with the sheet contiguous block, is used for interfixing by bolt with described installed surface.
5. dynamic stress proving installation assembly according to claim 4, it is characterized in that: described sheet contiguous block is provided with the Long Circle bolt hole.
6. dynamic stress proving installation assembly according to claim 1 is characterized in that: the bottom surface copline of the end face of described container cavity and described adapter cavity, and the area of the end face of container cavity is less than or greater than the area of the bottom surface of described adapter cavity.
7. motor train unit, comprise car body, described car body lower end is provided with equipment compartment, equipment compartment end face fixedly suspended electric equipment and vehicle brake conduit, it is characterized in that, described motor train unit also comprises the arbitrary described dynamic stress proving installation assembly of claim 1-6, and described electric equipment and vehicle brake conduit are contained in the described adapter cavity, and the upper end of described hoisting structure is fixedly connected with the equipment compartment end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320308 CN202648965U (en) | 2012-07-03 | 2012-07-03 | Dynamic stress testing apparatus assembly and motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320308 CN202648965U (en) | 2012-07-03 | 2012-07-03 | Dynamic stress testing apparatus assembly and motor train unit |
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| Publication Number | Publication Date |
|---|---|
| CN202648965U true CN202648965U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220320308 Expired - Lifetime CN202648965U (en) | 2012-07-03 | 2012-07-03 | Dynamic stress testing apparatus assembly and motor train unit |
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| CN (1) | CN202648965U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181359A (en) * | 2015-07-17 | 2015-12-23 | 南车青岛四方机车车辆股份有限公司 | Motor train unit bottom suspension equipment compartment high-temperature test device and test method |
| CN108133645A (en) * | 2017-12-18 | 2018-06-08 | 安徽工程大学 | A kind of impact experiment apparatus and experimental method |
| CN112082783A (en) * | 2020-09-17 | 2020-12-15 | 中车大同电力机车有限公司 | Dynamic stress measuring system |
-
2012
- 2012-07-03 CN CN 201220320308 patent/CN202648965U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181359A (en) * | 2015-07-17 | 2015-12-23 | 南车青岛四方机车车辆股份有限公司 | Motor train unit bottom suspension equipment compartment high-temperature test device and test method |
| CN105181359B (en) * | 2015-07-17 | 2018-03-20 | 中车青岛四方机车车辆股份有限公司 | Equipment compartment high-temperature test device and test method under a kind of EMUs car |
| CN108133645A (en) * | 2017-12-18 | 2018-06-08 | 安徽工程大学 | A kind of impact experiment apparatus and experimental method |
| CN112082783A (en) * | 2020-09-17 | 2020-12-15 | 中车大同电力机车有限公司 | Dynamic stress measuring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
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 VEHICLE Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |