CN205228955U - Railway vehicle coupling fatigue strength test bench - Google Patents
Railway vehicle coupling fatigue strength test bench Download PDFInfo
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- CN205228955U CN205228955U CN201521106306.1U CN201521106306U CN205228955U CN 205228955 U CN205228955 U CN 205228955U CN 201521106306 U CN201521106306 U CN 201521106306U CN 205228955 U CN205228955 U CN 205228955U
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- mount pad
- fatigue strength
- coupler
- testing table
- railway car
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Abstract
The utility model provides a railway vehicle coupling fatigue strength test bench, include: a pair of coupling of experimental usefulness, the both ends difference fixed mounting of coupling is on left side simulation mount pad and right side simulation mount pad, left side simulation mount pad is connected with the removal roof beam, and removal roof beam fixed connection actuator, actuator are fixed on the stiff end reaction beam, right side simulation mount pad passes through the connecting rod to be fixed on adjustable mechanism, and this adjustable mechanism can adjust the upper and lower position of the connected one end of connecting rod and/or control the position. The utility model discloses experimentation cost is low, experimental convenient and fast more, and the pertinence is stronger, and test efficiency is higher.
Description
Technical field
The utility model relates to mechanical field, particularly relates to a kind of coupler of railway car testing table for fatigue strength.
Background technology
Transportation by railroad is the main means of transportation of China, and the share ratio of Railway Freight Transportation exceedes the half of national freight shipments total amount.Along with the future development that China Railway Freight raises speed towards heavy duty, also more and more higher to the requirement of hitch.Hitch stressing conditions in practice becomes more severe, and the faults such as hitch generation crackle, fracture are more frequent, badly influenced safety and the benefit of transportation by railroad.
Coupler and draft gear be rolling stock the most basic be also one of most important parts.In general, the composition of coupler and draft gear comprises hitch (hook tongue and coupler body etc.), impact damper, couple yoke, front and back from plate etc.The Main Function of hitch makes the company of completing between each vehicle hang exactly and vehicle and vehicle is maintained a certain distance, in addition can also transmitting tractive power and impulsive force.The collision produced when the longitudinal impulse that impact damper produces when being used to mitigation train actual moving process and shunting service, can absorb impact kinetic energy effectively, thus reduces dynamic action when vehicle impacts mutually.Hitch is steel-casting, and its main failure mode is the fracture caused by fatigue crack.In order to the fatigue strength of the germinating reason and hitch of studying hitch crackle, setting up hitch testing table for fatigue strength is highly significant.
Utility model content
The purpose of this utility model provides a kind of coupler of railway car testing table for fatigue strength, and this testing table can complete the Stromeyer test of test hitch, and experimentation cost is low, and test efficiency is high, and test findings is more true and reliable; The strain parameter of hitch different parts can be tested simultaneously; And it is very little to surrounding environment influence when testing.
A kind of coupler of railway car testing table for fatigue strength, comprising: a pair hitch of test, and the two ends of hitch are fixedly mounted on left simulation mount pad and right simulation mount pad respectively; Described left simulation mount pad is connected with trave lling girder, and trave lling girder is fixedly connected with actuator, actuator is fixed on stiff end reaction beam; Described right simulation mount pad is fixed on adjustable mechanism by connecting rod, and this adjustable mechanism can the upper-lower position of the connected one end of regulating connecting rod and/or right position.
Further, coupler of railway car testing table for fatigue strength as above, described adjustable mechanism comprises tail support, counter-force seat, and one end of described connecting rod is fixed on tail support and connects, and tail support is arranged on counter-force seat; Described counter-force seat is provided with longitudinal chute, described tail support be arranged on this longitudinal chute, described counter-force seat is provided with can regulate its height bracing frame.
Further, coupler of railway car testing table for fatigue strength as above, comprise two tracks be arranged in parallel, the two ends of these two tracks have described stiff end reaction beam respectively, wherein, the stiff end reaction beam on the left side is connected with described actuator, and described trave lling girder to be arranged between two tracks and can to horizontally slip along described two tracks.
Further, coupler of railway car testing table for fatigue strength as above, described two tracks are fixed on ground by base for supporting.
Further, coupler of railway car testing table for fatigue strength as above, described ground is basin shape ground, and this ground is provided with a pit, and described two track layings are in the both sides of this pit.
Further, coupler of railway car testing table for fatigue strength as above, described adjustable mechanism is arranged in described pit.
Beneficial effect:
First, on a testing table, the Stromeyer test of coupler of railway car is completed.Its experimentation cost is low, tests more convenient, and specific aim is stronger, and test efficiency is higher.And special testing research can be carried out for keypoint part.The way of restraint is consistent with actual track traffic-operating period with the loading of power, and the test figure obtained is more true, and design and maintenance for hitch provide more reliable test figure.
Secondly, this testing table is tested mounting the mode of joining in succession by two hitches, can save experimentation cost greatly.Also can simulate train actual track ruuning situation more really, make test figure more true, reliable.
Finally, during test, mainly longitudinal loading is applied to hitch.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model coupler of railway car testing table for fatigue strength;
Fig. 2 is the plan structure schematic diagram of the utility model coupler of railway car testing table for fatigue strength;
Fig. 3 is the A-A diagrammatic cross-section of the utility model coupler of railway car testing table for fatigue strength.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below technical scheme in the utility model be clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1-Figure 3, the coupler of railway car testing table for fatigue strength that the utility model provides, comprising: a pair hitch 1 of test, and the two ends of hitch 1 are fixedly mounted on left simulation mount pad 2a and right simulation mount pad 2b respectively; Described left simulation mount pad 2a is connected with trave lling girder 3, and trave lling girder 3 is fixedly connected with actuator 4, actuator 4 is fixed on stiff end reaction beam 5; Described right simulation mount pad 2b is fixed on adjustable mechanism by connecting rod 8, and this adjustable mechanism can the upper-lower position of the connected one end of regulating connecting rod 8 and/or right position.
Further, described adjustable mechanism comprises tail support 9, counter-force seat 10, and one end of described connecting rod 8 is fixed on tail support 9 and connects, and tail support 9 is arranged on counter-force seat 10; Described counter-force seat 10 is provided with longitudinal chute, described tail support 9 be arranged on this longitudinal chute, described counter-force seat 10 is provided with the bracing frame that can regulate its height.
Further, comprise two the track 11a be arranged in parallel, the two ends of these two track 11a have described stiff end reaction beam 5 respectively, wherein, the stiff end reaction beam 5 on the left side is connected with described actuator 4, and described trave lling girder 3 to be arranged between two track 11a and can to horizontally slip along described two track 11a.Described two track 11a are fixed on ground 11 by base for supporting 12.Described ground 11 is basin shape ground, and this ground 11 is provided with a pit, and described two track 11a are laid on the both sides of this pit.Described adjustable mechanism is arranged in described pit.
The concrete formation of above-mentioned hitch 1 is: after two hitches 1 even mount and join, be arranged on left simulation mount pad 2a and right simulation mount pad 2b respectively, fixing on the mount pad that left simulation mount pad 2a is fixed on trave lling girder, right simulation mount pad 2b is fixed on tail support 9 by connecting rod 8.
Such hitch assembling form is not only convenient but also accurately and reliably simulate the connected mode of true hitch, can improve experiment effect better simultaneously, cost-saving.
The concrete structure of above-mentioned ground 11 is: ground 11 basin shape ground, and is rectangular configuration, and have individual pit at rectangle inside, counter-force seat 10 is fixed on the ground of pit, and pit both sides are equipped with T-shaped guide rail 11a.
Such basin shape ground can save test space height, facilitates the assembly and disassembly of hitch simultaneously, can also realize one multiplex, carry out the test of other components.
Described stiff end reaction beam 5 is enclosed within two long draws 6, every root long draw 6 there are two set nuts 7, stiff end reaction beam 5 is fixed by set nut 7, limit it longitudinally to move along long draw 6, one end of actuator 4 is fixed in the middle of stiff end reaction beam 5, and the other end of actuator 4 is connected to the side of trave lling girder 3, and the opposite side of trave lling girder 3 fixes hitch left simulation mount pad 2a, actuator 4 applies longitudinal loading on trave lling girder 3, then passes to hitch simulation mount pad 2a.
In test, apply longitudinal loading on trave lling girder by actuator, pass to hitch by trave lling girder and simulate mount pad.
The course of work of the present utility model and principle are:
Two hitches are even mounted after joining, be arranged in two hitch simulation mount pads respectively, a simulation mount pad is fixed on the side of trave lling girder, the opposite side of trave lling girder connects actuator, actuator applies longitudinal loading to trave lling girder, be delivered to hitch simulation mount pad again, actuator is fixed on stiff end reaction beam.Stiff end reaction beam is enclosed within two long draws, completes fixing by two pairs of set nuts, makes it cannot vertically move along pull bar.Another hitch simulation mount pad is fixed on tail support by connecting rod, carries out longitudinal restraint to it.Tail support is fixed on counter-force seat.During test by actuator to trave lling girder 3 one acting forces, this acting force is passed to hitch 1 by left simulation mount pad 2a by trave lling girder 3, upper-lower position and the right position of regulating connecting rod 8 are come in the right side of hitch 1 by adjustable support, the skew of this position final is delivered on right simulation mount pad 2b by connecting rod 8, the last left side being delivered to hitch 1 again by right simulation mount pad 2b, so can test the strain that position is concerned about by hitch, after completing the loading of targeted number, defect detecting test be carried out to hitch.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a coupler of railway car testing table for fatigue strength, it is characterized in that, comprise: a pair hitch (1) of test, the two ends of hitch (1) are fixedly mounted on left simulation mount pad (2a) and right simulation mount pad (2b) respectively; Described left simulation mount pad (2a) is connected with trave lling girder (3), and trave lling girder (3) is fixedly connected with actuator (4), actuator (4) is fixed on stiff end reaction beam (5); Described right simulation mount pad (2b) is fixed on adjustable mechanism by connecting rod (8), and this adjustable mechanism can the upper-lower position of regulating connecting rod (8) connected one end and/or right position.
2. coupler of railway car testing table for fatigue strength according to claim 1, it is characterized in that, described adjustable mechanism comprises tail support (9), counter-force seat (10), one end of described connecting rod (8) is fixed on tail support (9) and connects, and tail support (9) is arranged on counter-force seat (10); Described counter-force seat (10) is provided with longitudinal chute, described tail support (9) be arranged on this longitudinal chute, described counter-force seat (10) is provided with can regulate its height bracing frame.
3. coupler of railway car testing table for fatigue strength according to claim 2, it is characterized in that, comprise two tracks (11a) be arranged in parallel, the two ends of these two tracks (11a) have described stiff end reaction beam (5) respectively, wherein, the stiff end reaction beam (5) on the left side is connected with described actuator (4), and described trave lling girder (3) to be arranged between two tracks (11a) and can to horizontally slip along described two tracks (11a).
4. coupler of railway car testing table for fatigue strength according to claim 3, is characterized in that, described two tracks (11a) are fixed on ground (11) by base for supporting (12).
5. coupler of railway car testing table for fatigue strength according to claim 4, it is characterized in that, described ground (11) is basin shape ground, and this ground (11) is provided with a pit, and described two tracks (11a) are laid on the both sides of this pit.
6. coupler of railway car testing table for fatigue strength according to claim 5, is characterized in that, described adjustable mechanism is arranged in described pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106306.1U CN205228955U (en) | 2015-12-25 | 2015-12-25 | Railway vehicle coupling fatigue strength test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106306.1U CN205228955U (en) | 2015-12-25 | 2015-12-25 | Railway vehicle coupling fatigue strength test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228955U true CN205228955U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521106306.1U Expired - Fee Related CN205228955U (en) | 2015-12-25 | 2015-12-25 | Railway vehicle coupling fatigue strength test bench |
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| CN (1) | CN205228955U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357860A (en) * | 2018-12-04 | 2019-02-19 | 中车青岛四方车辆研究所有限公司 | Bend simulation mechanism, hitch even hang testing stand and its pilot system |
| CN109357857A (en) * | 2018-12-04 | 2019-02-19 | 中车青岛四方车辆研究所有限公司 | Hitch even hangs pilot system |
| CN110595805A (en) * | 2019-10-18 | 2019-12-20 | 资阳中车电气科技有限公司 | Standard electric coupler service life test bed for motor train unit |
| CN110686880A (en) * | 2019-10-25 | 2020-01-14 | 宁海县宏瑞汽车部件有限公司 | Towing hook strength detection equipment |
-
2015
- 2015-12-25 CN CN201521106306.1U patent/CN205228955U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357860A (en) * | 2018-12-04 | 2019-02-19 | 中车青岛四方车辆研究所有限公司 | Bend simulation mechanism, hitch even hang testing stand and its pilot system |
| CN109357857A (en) * | 2018-12-04 | 2019-02-19 | 中车青岛四方车辆研究所有限公司 | Hitch even hangs pilot system |
| CN110595805A (en) * | 2019-10-18 | 2019-12-20 | 资阳中车电气科技有限公司 | Standard electric coupler service life test bed for motor train unit |
| CN110686880A (en) * | 2019-10-25 | 2020-01-14 | 宁海县宏瑞汽车部件有限公司 | Towing hook strength detection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |