CN202710332U - Loading device of vehicle body strength test end wall - Google Patents
Loading device of vehicle body strength test end wall Download PDFInfo
- Publication number
- CN202710332U CN202710332U CN 201220346949 CN201220346949U CN202710332U CN 202710332 U CN202710332 U CN 202710332U CN 201220346949 CN201220346949 CN 201220346949 CN 201220346949 U CN201220346949 U CN 201220346949U CN 202710332 U CN202710332 U CN 202710332U
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- end wall
- car body
- loading
- body strength
- loading device
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Abstract
The utility model relates to a loading device of a vehicle body strength test end wall, wherein the loading device comprises a loading part for applying load on an end wall of a vehicle body to be tested and further comprises a lifting device; the loading part is detachably installed on the lifting device; and the lifting device is fixed on the ground at one side or two sides of the end wall. The loading device disclosed by the utility model is simple in integral structure and can satisfy loading position requirements of the end wall at different heights, bear load transmitted by an end wall loading transverse beam and ensure accuracy and reliability of test data, therefore, performances of the vehicle body can be knew better; better guarantee is provided for increasing the quality of the vehicle; simultaneously, the device also has better generality and higher safety and can be applied to loading test of end walls of different sizes; the loading transverse beam can automatically lift; and the whole test efficiency can be greatly increased.
Description
Technical field
The utility model relates to a kind of car body strength testing equipment, particularly a kind of car body strength test end wall loading device.
Background technology
Along with the fast development of domestic track traffic, EMU, city railway vehicle are widely used.The needs that develop in order to adapt to track traffic, and then need the better various performances of understanding vehicle, the quality of the vehicle that provides is provided, need more approach actual strength test to car body; Be directed to existing motor train unit test end wall of car body and only need do end headwall test, the cab end is not done the headwall load test; In existing test car body one end headwall test, adopt and settle tripod at the vehicle body strength test stand longitudinal beam, in that headwall loading crossbeam is installed, form a bearing frame by its three, again the test car body is loaded; In the test set-up procedure, tripod and headwall loading crossbeam installation workload and labour intensity are all large, and dangerous, and when need carry out the differing heights loading, tripod and headwall loading crossbeam need be re-assemblied and more test preparation test need be spent, lengthen the test period, be unfavorable for carrying out of later stage work; Thereby for above problem, a kind of brand-new Motorized lift device of special development, be used for carrying and hold up headwall loading crossbeam, can make headwall load crossbeam moves up and down flexibly, and can carry headwall and load the load that crossbeam transmits, but test is prepared in the workload of this jacking gear decrease test, labour intensity and shortening test, and is safe, and efficient and the quality that improves test had great importance.
The utility model content
The utility model fundamental purpose is to address the above problem and is not enough, provides a kind of simple in structure, can realize that headwall loads the crossbeam automatic lifting, improves the car body strength test end wall loading device of versatility, security and test efficiency.
For achieving the above object, the technical solution of the utility model is:
A kind of car body strength test end wall loading device, comprise for the loading section to the headwall imposed load of tested car body, also comprise a jacking gear, described loading section detachably is installed on the described jacking gear, and described jacking gear is fixed on the ground of described headwall one or both sides.
Further, described loading section comprises the loading crossbeam that loads for the headwall to tested car body and is arranged on load cylinder on the described loading crossbeam.
Further, described jacking gear comprises holder, elevating mechanism and carrier bar, described holder is fixed on the described ground, described elevating mechanism is installed on the described holder, described carrier bar is installed on the described elevating mechanism and realizes elevating movement with described elevating mechanism, and described loading section detachably is installed on the described carrier bar.
Further, described elevating mechanism is comprised of motor, reductor and screw mandrel, and described carrier bar is connected with described wire rod thread.
Further, described holder is comprised of two columns, entablature and sills, and described entablature connects the top of two described columns, and described sill connects the bottom of two described columns, and the bottom of described column is fixed on the described ground.
Further, described jacking gear also comprises a guide frame, and the up and down two ends of described guide frame are fixed on the described holder, and described carrier bar and described guide frame are slidingly connected.
Further, described loading section takes and puts on described carrier bar.
Further, the both sides of described holder detachably are fixedly connected with longitudinal beam in the vehicle body strength test stand.
Further, both sides at described holder respectively arrange a connector, described connector is comprised of two parts up and down, and two-part described connector cross-over connection is fixed on the described longitudinal beam up and down, in the both sides of described connector one subdivision nut is set respectively and is fixedly connected with described longitudinal beam.
Further, control knob is a bit controlled in described elevating mechanism connection.
Content to sum up, car body strength test end wall loading device provided by the utility model, one-piece construction is simple, can satisfy the demand of headwall differing heights loading position, and can bear the load that headwall loads the crossbeam transmission, the accuracy of warranty test data and reliability, and then can understand better the performance of car body, provide better guarantee to the quality that improves vehicle.Simultaneously, this device also has preferably versatility, can be fit to the headwall load test of different model, has higher security, loads crossbeam and realizes automatic lifting, can increase substantially the test efficiency of whole test.
Description of drawings
Fig. 1 is the structural representation after the utility model charger and the car body assembling;
Fig. 2 is the structural representation of the utility model charger;
Fig. 3 is bowing to view of Fig. 2.
As shown in Figure 1 to Figure 3, car body 1, headwall 2 loads crossbeam 3, load cylinder 4, carrier bar 5, column 6, entablature 7, sill 8, foot bolt 9, subdivision nut 10, motor 11, reductor 12, screw mandrel 13, load plane 14, guide frame 15, longitudinal beam 16, connector 17.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
At vehicle body strength test stand, headwall 2 to car body 1 two ends carries out in the process of test of static strength, can be only to headwall 2 imposed loads of car body 1 one ends, also can be to 2 while of the headwall imposed load at car body two ends, this need to decide according to test condition and needed test figure, therefore, end wall loading device can only be arranged on a side of tested car body 1, also can all arrange both sides.In the present embodiment, carry out load test as example take the headwall to cab, be elaborated.
As shown in Figure 1, a kind of car body strength test end wall loading device comprises that for to the loading section of headwall 2 imposed loads of the car body 1 of cab and be used for realizing the jacking gear of loading section automatic lifting, jacking gear fixes on the ground.
Loading section comprises the loading crossbeam 3 that loads for the headwall 2 to car body 1 and is arranged on the load cylinder 4 that loads on the crossbeam 3 that the end of load cylinder 4 contacts with headwall 2.Headwall 2 by 4 pairs of car bodies 1 of load cylinder applies longitudinal compression load, and is stressed even for guaranteeing headwall 2, at loading crossbeam 3 two load cylinders 4 is set.Load cylinder 4 provides oil sources by this vehicle body strength test stand oil pump station, by the action of operation valve controlled loading oil cylinder 4, by the pressure of controlled loading oil cylinder 4, can control the size to 2 imposed loads of headwall.Load cylinder 4 front ends need to be provided with a pressure transducer (not shown), and pressure transducer is used for measuring the size of 4 imposed loads of load cylinder.
As shown in Figures 2 and 3, jacking gear comprises holder, elevating mechanism and carrier bar 5.
Wherein, holder is comprised of two columns 6, entablature 7 and sill 8, the two ends of entablature 7 are bolted the top that is fixed on two columns 6, the two ends of sill 8 are bolted the bottom that is fixed on two columns 6, holder integral body is framed structure, can strengthen the intensity of whole holder.The bottom of each column 6 fixes on the ground by foot bolt 9, in order to improve the versatility of this device, car body 1 with applicable different model, in the present embodiment, be provided with on the ground twice ground chute (not shown), foot bolt 9 slides in the chute of ground, according to car body 1 size of different model, change the position that installs and fixes of jacking gear, fixing jacking gear after foot bolt 9 is screwed.
Elevating mechanism is comprised of motor 11, reductor 12 and screw mandrel 13, and motor 11, reductor 12 are fixed on the top of entablature 7.A motor 11 is connected with two reductors 12, and two reductors 12 are connection wire rods 13 respectively, and reductor 12 drives screw mandrels 13 rotations, be threaded between carrier bar 5 and the screw mandrel 13, and in the time of screw mandrel 13 forward and reverse rotation, the lifting of realization carrier bar 5.Motor 11 connects a bit controls control knob, by a startup of control control knob control motor 11, the operator can be according to the test demand, the startup of control motor, and then the lifting distance of control carrier bar 5 and loading crossbeam 3, make the position that loads crossbeam 3 satisfy test condition.
Load crossbeam 3 and detachably be fixedly mounted on the carrier bar 5, for easy for installation, in the present embodiment, the preferred employing taken the mode of putting, and namely carrier bar 5 has a load plane 14, and loading crossbeam 3 is directly taken and put on the load plane 14 of carrier bar 5.When load cylinder 4 to headwall 2 imposed load the time, because the effect of reacting force loads crossbeam 3 and can abut against on the column 6 of both sides, also play fixing effect to loading crossbeam 3.
Also comprise a guide frame 15 in jacking gear, the up and down two ends of guide frame 15 are bolted on respectively on the entablature 7 and sill 8 of holder, are slidingly connected by structures such as slideway and chutes between carrier bar 5 and the guide frame 15.The lifting of 15 pairs of carrier bars 5 of guide frame plays a part further guiding, can guarantee that carrier bar 5 drives the 3 steady liftings of loading crossbeam.
On vehicle body strength test stand, have two longitudinal beams that be arranged in parallel 16, in order to guarantee the stressed even of headwall 2, must guarantee to load the depth of parallelism between crossbeam 3 and the headwall 2, holder need to be fixedly connected with two longitudinal beams, the 16 controlled loading crossbeams 3 that utilization be arranged in parallel and the depth of parallelism between the headwall 2 with longitudinal beam 16.
In the present embodiment, as shown in Figure 2, respectively arrange one at the side of two columns 6 and be used for the connector 17 that is connected with longitudinal beam 16, connector 17 minutes is two parts up and down, are convenient to mount and dismount.With when longitudinal beam 16 is fixedly connected with, the first half of connector 17 jumps on the longitudinal beam 16, and after doing the trickle adjustment of centering, the latter half and the first half with connector 17 is bolted to connection together again.
As shown in Figure 3, in the both sides of each connector 17, respectively be provided with 10, two subdivision nuts 10 of a subdivision nut and clamp from both sides with connector 17, be connected by acme thread between subdivision nut 10 and the longitudinal beam 16, two parts of subdivision nut 10 are bolted to connection again.
The below describes the course of work of this device in detail:
1, the jacking gear of first parts such as column 6, entablature 7, sill 8, motor 11, reductor 12, screw mandrel 13, guide frame 15, carrier bar 5 all being assembled after finishing hangs onto the desired position by overhead traveling crane.
2, connector 17 the first half with column 6 both sides are cross on the longitudinal beam 16, and do the trickle adjustment of centering, the latter half and the first half of connector 17 is bolted to connection after the adjustment again, thereby holder and longitudinal beam 16 are fixed together.
3, from the both sides of connector 17 that connector 17 is fastening with subdivision nut 10, make connector 17 not move, be fixedly connected with by acme thread between subdivision nut 10 and the longitudinal beam 16.
4, bottom and the ground chute of column 2 are realized being fastenedly connected by foot bolt 9.
5, after above preliminary work is finished, will load crossbeam 3 by overhead traveling crane and winch on the carrier bar 5, and do the details adjustment.
6, begin test, give motor 11 power supplies, motor 11 drives reductor 12 runnings, reductor 12 drives screw mandrel 13 rotations again, carrier bar 5 rises or descends along screw mandrel 13, and under a control button control, carrier bar 5 drives loading crossbeam 3 and moves up and down, when crossbeam 3 to be loaded reaches the test desired height, stop motor 11 work.
7, the start-up loading oil cylinder 4, to the headwall imposed load, by the pressure of adjusting load cylinder 4, regulate the size of imposed load, and by pressure transducer detected pressures value, according to the pressure of the force value adjusting load cylinder 4 that detects, until off-test.
In test, mainly by column 6 and loading crossbeam 3 contact site bearing test load, test load is delivered to longitudinal beam 16 and foot bolt 9 the most at last.
As mentioned above, given scheme content can derive similar technical scheme in conjunction with the accompanying drawings and embodiments.In every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (10)
1. a car body strength is tested end wall loading device, comprise for the loading section to the headwall imposed load of tested car body, it is characterized in that: also comprise a jacking gear, described loading section detachably is installed on the described jacking gear, and described jacking gear is fixed on the ground of described headwall one or both sides.
2. car body strength according to claim 1 test end wall loading device is characterized in that: described loading section comprises the loading crossbeam that loads for the headwall to tested car body and is arranged on load cylinder on the described loading crossbeam.
3. car body strength according to claim 1 and 2 is tested end wall loading device, it is characterized in that: described jacking gear comprises holder, elevating mechanism and carrier bar, described holder is fixed on the described ground, described elevating mechanism is installed on the described holder, described carrier bar is installed on the described elevating mechanism and realizes elevating movement with described elevating mechanism, and described loading section detachably is installed on the described carrier bar.
4. car body strength according to claim 3 is tested end wall loading device, and it is characterized in that: described elevating mechanism is comprised of motor, reductor and screw mandrel, and described carrier bar is connected with described wire rod thread.
5. car body strength according to claim 3 is tested end wall loading device, it is characterized in that: described holder is comprised of two columns, entablature and sills, described entablature connects the top of two described columns, described sill connects the bottom of two described columns, and the bottom of described column is fixed on the described ground.
6. car body strength according to claim 3 is tested end wall loading device, and it is characterized in that: described jacking gear also comprises a guide frame, and the up and down two ends of described guide frame are fixed on the described holder, and described carrier bar and described guide frame are slidingly connected.
7. car body strength according to claim 3 test end wall loading device is characterized in that: described loading section takes puts on described carrier bar.
8. car body strength according to claim 3 test end wall loading device is characterized in that: the both sides of described holder detachably are fixedly connected with longitudinal beam in the vehicle body strength test stand.
9. car body strength according to claim 8 is tested end wall loading device, it is characterized in that: the both sides at described holder respectively arrange a connector, described connector is comprised of two parts up and down, two-part described connector cross-over connection is fixed on the described longitudinal beam up and down, in the both sides of described connector one subdivision nut is set respectively and is fixedly connected with described longitudinal beam.
10. car body strength according to claim 3 is tested end wall loading device, it is characterized in that: described elevating mechanism connects a bit controls control knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346949 CN202710332U (en) | 2012-07-18 | 2012-07-18 | Loading device of vehicle body strength test end wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346949 CN202710332U (en) | 2012-07-18 | 2012-07-18 | Loading device of vehicle body strength test end wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710332U true CN202710332U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220346949 Expired - Lifetime CN202710332U (en) | 2012-07-18 | 2012-07-18 | Loading device of vehicle body strength test end wall |
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| Country | Link |
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| CN (1) | CN202710332U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674580A (en) * | 2013-11-27 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Vehicle body side wall loading device and method |
| CN104458292A (en) * | 2014-12-10 | 2015-03-25 | 长春轨道客车股份有限公司 | Static-strength-load loading assisting device used for vehicle body end accident test |
| CN110793791A (en) * | 2019-11-19 | 2020-02-14 | 中车株洲电力机车有限公司 | Driver's cab side collision-resistant test device |
| WO2022000899A1 (en) * | 2020-07-03 | 2022-01-06 | 中车唐山机车车辆有限公司 | Quasi-static compression test device for anti-collision column of vehicle body end wall |
-
2012
- 2012-07-18 CN CN 201220346949 patent/CN202710332U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674580A (en) * | 2013-11-27 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Vehicle body side wall loading device and method |
| CN103674580B (en) * | 2013-11-27 | 2015-12-30 | 南车青岛四方机车车辆股份有限公司 | Vehicle body side wall load charger and load loading method |
| CN104458292A (en) * | 2014-12-10 | 2015-03-25 | 长春轨道客车股份有限公司 | Static-strength-load loading assisting device used for vehicle body end accident test |
| CN104458292B (en) * | 2014-12-10 | 2016-11-23 | 长春轨道客车股份有限公司 | Static strength load secondary load device for the test of body end portion accident |
| CN110793791A (en) * | 2019-11-19 | 2020-02-14 | 中车株洲电力机车有限公司 | Driver's cab side collision-resistant test device |
| WO2022000899A1 (en) * | 2020-07-03 | 2022-01-06 | 中车唐山机车车辆有限公司 | Quasi-static compression test device for anti-collision column of vehicle body end wall |
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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: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR QINGDAO SIFANG LOCOMOTIVE & ROLLING STOCK Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |