CN112129545A - Car roof car washing working condition loading universal device for car body static strength test - Google Patents
Car roof car washing working condition loading universal device for car body static strength test Download PDFInfo
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- CN112129545A CN112129545A CN202011008419.3A CN202011008419A CN112129545A CN 112129545 A CN112129545 A CN 112129545A CN 202011008419 A CN202011008419 A CN 202011008419A CN 112129545 A CN112129545 A CN 112129545A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a roof car washing working condition loading universal device for a car body static strength test, which comprises a plurality of universal loading units; the universal loading unit comprises a loading plate and a counterweight plate, wherein the loading plate is a rubber loading plate and is used for being attached to the roof of the vehicle body to be tested; one or more counterweight plates are arranged; the loading plate and the balance weight plate are overlapped and detachably assembled into a whole through the fixing piece. In the vehicle top vehicle washing working condition loading universal device for the vehicle body static strength test, the loading plate and the counterweight plate of the universal loading unit are detachably assembled, so that a user can conveniently select a proper loading plate and a proper counterweight plate to assemble the loading device which has the same shape with the vehicle top in the vehicle body to be tested and the same simulated load weight according to the requirement, the loading device is adapted to various different vehicle bodies, and the cost for testing a plurality of vehicle bodies is reduced.
Description
Technical Field
The invention relates to the technical field of mechanical industry, in particular to a roof car washing working condition loading universal device for a car body static strength test.
Background
The rail vehicle needs to be subjected to a vehicle body static strength test, the test comprises a vehicle roof washing working condition test process, the vehicle roof of the vehicle body needs to be loaded, and the load when the vehicle roof is washed is simulated.
The car body roof is mostly the wave form that the crest trough was replaced, but the wave form and the size of different project car body roofs are different, when leading to every project car body to carry out the car washing operating mode test of roof, all need do with the same and the same whole piece car washing operating mode loading device of simulated load weight of the same specific shape of corresponding car body roof come the wave form structure of corresponding car body roof of laminating. Therefore, when car bodies of different projects are subjected to the car roof washing condition test, at least a plurality of car roof loading devices with different sizes and shapes, which are the same as the number of the car bodies, need to be manufactured so as to detect the roof strength of the car bodies. The roof washing working condition loading device is lack of universality, the detection mode that the same roof loading device is used in roof washing working condition loading tests of different vehicle types and different sizes cannot be realized, and the test cost is increased when multiple vehicle bodies are subjected to corresponding tests.
Therefore, it is imperative to design a universal device for loading the car washing working condition on the top of the car for the car body static strength test with universality.
Disclosure of Invention
In view of the above, the invention provides a roof carwash working condition loading universal device for a car body static strength test, wherein a loading plate and a counterweight plate are detachably assembled in a universal loading unit, and a user can select a proper loading plate and a proper counterweight plate to assemble the loading plate and the counterweight plate according to needs to form the loading device with the same roof shape and the same simulated load weight as those of a car body to be tested, so that the loading device is suitable for various car bodies, and the cost for testing a plurality of car bodies is reduced.
In order to achieve the purpose, the invention provides the following technical scheme:
a car roof washing working condition loading universal device for a car body static strength test comprises a plurality of universal loading units, wherein each universal loading unit comprises a loading plate and a counterweight plate, and the loading plate is a rubber loading plate and is used for being attached to the roof of a car body to be tested; the number of the weight plates is one or more; the loading plate and the counterweight plate are overlapped and detachably assembled into a whole through a fixing piece.
Preferably, in the roof carwash working condition loading universal device for the vehicle body static strength test, the surface of the loading plate deviating from the counterweight plate is wavy.
Preferably, in the roof vehicle washing working condition loading universal device for the vehicle body static strength test, the fixing member is a bolt, and a counter bore matched with the head of the bolt is arranged on the surface of the loading plate, which is far away from the counterweight plate.
Preferably, in the roof vehicle washing working condition loading general device for the vehicle body static strength test, at least two nuts are assembled on a screw of the bolt.
Preferably, in the general device for loading the vehicle top under the vehicle washing condition for the vehicle body static strength test, the loading plate and the counterweight plate are respectively rectangular, and the width of the loading plate is not greater than that of the counterweight plate.
Preferably, in the roof carwash working condition loading universal device for the vehicle body static strength test, the universal loading units are sequentially arranged along the length direction of the loading plate.
Preferably, in the above-mentioned roof carwash operating mode loading universal device for the vehicle body static strength test, the assembly hole on the counterweight plate and with the mounting complex is rectangular hole, and the extending direction of rectangular hole with the length direction of counterweight plate is parallel.
Preferably, in the above general device for loading vehicle top washing conditions for the vehicle body static strength test, the number of the weight plates is multiple, and the weight plates have the same weight, different weights, or only have the same weight.
The invention provides a roof car washing working condition loading universal device for a car body static strength test, which comprises a plurality of universal loading units; the universal loading unit comprises a loading plate and a counterweight plate, wherein the loading plate is a rubber loading plate and is used for being attached to the roof of the vehicle body to be tested; one or more counterweight plates are arranged; the loading plate and the balance weight plate are overlapped and detachably assembled into a whole through the fixing piece.
In the roof carwash working condition loading universal device for the vehicle body static strength test, the loading plate and the counterweight plate of the universal loading unit are detachably assembled, so that a user can conveniently select a proper loading plate and a proper counterweight plate to assemble the loading plate and the counterweight plate according to needs to form the loading device which has the same roof shape and the same simulated load weight as those of a vehicle body to be tested, the loading device is suitable for various different vehicle bodies, and the cost for testing a plurality of vehicle bodies is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an assembly diagram of a roof carwash working condition loading universal device for a car body static strength test and a car body to be tested, which are provided by the embodiment of the invention;
FIG. 2 is an exploded view of a universal load cell provided by an embodiment of the present invention;
FIG. 3 is a diagram of a main view of a universal loading unit according to an embodiment of the present invention;
fig. 4 is a top view structural diagram of a general loading unit according to an embodiment of the present invention;
FIG. 5 is a perspective view of a universal loading unit provided in an embodiment of the present invention;
wherein, in fig. 1-5:
a general load unit 10; a nut 101; a weight plate 102; a load plate 103; a bolt 104; a vehicle body 20.
Detailed Description
The embodiment of the invention discloses a car top washing working condition loading universal device for a car body static strength test, wherein a loading plate and a counterweight plate are detachably assembled in a universal loading unit, and a user can select a proper loading plate and a proper counterweight plate to assemble the loading plate and the counterweight plate according to needs to form the loading device with the same shape and the same simulated load weight as the roof of a car body to be tested, so that the loading device is suitable for various different car bodies, and the cost for testing a plurality of car bodies is reduced.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, an embodiment of the invention provides a general device for loading vehicle-top washing working conditions for a vehicle body static strength test, which includes a plurality of general loading units 10; the universal loading unit 10 comprises a loading plate 103 and a counterweight plate 102, wherein the loading plate 103 is a rubber loading plate and is used for being attached to the roof of a vehicle body to be tested; one or more weight plates 102; the load plate 103 and the weight plate 102 are disposed to overlap and detachably assembled as a single body by a fixing member.
In the roof carwash working condition loading universal device for the vehicle body static strength test, provided by the embodiment of the invention, the loading plate 103 and the counterweight plate 102 of the universal loading unit 10 are detachably assembled, and a user can select a proper loading plate 103 and a proper counterweight plate 102 to assemble according to needs to form a loading device which has the same shape as the roof of the vehicle body 20 to be tested and the same simulated load weight, so that the loading device is suitable for various different vehicle bodies 20, and the cost for testing a plurality of vehicle bodies 20 is reduced.
In the general device for loading the car top washing working condition for the car body static strength test, the surface of the loading plate 103, which is far away from the counterweight plate 102, is wavy and is used for matching with the shape of the roof of the car body 20 to be tested, so that the bonding degree of the loading plate 103 and the roof is high, the loading force at each part is uniform, and the general device accords with the actual car top washing working condition.
In the roof vehicle washing working condition loading universal device for the vehicle body static strength test, the fixing piece is the bolt 104 (which can also be set as an inner hexagon socket head cap screw), and the surface (which is used for being attached to the roof of the vehicle body 20 to be tested) of the loading plate 103, which is far away from the counterweight plate 102, is provided with a counter bore matched with the head of the bolt 104. Further, at least 2 nuts 101 (specifically, a hexagon nut may be provided) may be assembled on the screw of the bolt 104, so as to ensure that the weight plate 102 and the loading plate 103 are reliably assembled. The number of the fixing pieces is multiple.
The load plate 103 and the weight plate 102 may each be of rectangular configuration, and the load plate 103 may have a width dimension no greater than the width dimension of the weight plate 102. The above-described respective universal loading units 10 are sequentially arranged in the longitudinal direction of the loading plate 103.
The assembly holes on the weight plate 102, which are matched with the fixing members, are elongated holes, and the extension direction of the elongated holes is parallel to the length direction of the weight plate 102, so that the weight plate 102 and different loading plates 103 can be assembled with each other, and the universality is further improved. In the above-described universal loading unit 10, there are a plurality of weight plates 102, and the weight of each weight plate 102 is the same, different, or only a part of the weights are the same.
In the above embodiment, the loading plate 103 is a loading plate that can be spliced and replaced; the weight plate 102 is a splicing type weight plate, and is arc-shaped.
The following is described in detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the loading plate 103 is made of rubber, and the surface shape and size of the loading plate 103 away from the counterweight plate 102 are designed to fit the corrugated plate shape of the roof to be tested, and the width of the loading plate 103 is not greater than the width of the counterweight device 3. The weight of a single weight plate 102 is fixed, the number of the stacked combination of the weight plates 102 is calculated before the combination, so that the weight plates 102 and the loading plate 103 after the stacking combination are connected with each other through the hexagon socket head cap screws and the hexagon nuts 101 to form the universal loading unit 10, and the weight of the universal loading unit is ensured to meet the test load requirement. And calculating the number of the required universal loading units 10 according to the size of the transverse span of the car roof, and fixing the universal loading units one by one on the area of the transverse span loading area of the car roof after the preassembly of the test site under the car is finished so as to achieve the loading effect of carrying out the car washing working condition test on the car roof. When the device is applied, the binding surface between the car body static strength test car roof washing working condition loading universal device and the car body 20 car roof can be adjusted through changing the shape of the loading plate 103, so that when car body 20 car roofs of different car models and different car roof sizes are subjected to car washing working condition loading tests, the car body static strength test car roof washing working condition loading universal device is used for detection.
In the prior art, when each car is tested, a whole piece of metal material which meets the requirements of the car width, the curve radian, the ripple size, the simulated weight and the like needs to be manufactured to serve as a car roof washing working condition loading device, the design and manufacture of the device need 30 days approximately, the cost is about 5 thousands, the attaching effect with a car roof is poor, the device is easy to scratch the surface of the car roof of the car body during loading, the working space of the car roof is large, the danger coefficient is high, and the storage space of a tool after the test is finished is large and cannot be changed into the tool roof washing working condition loading device. In the device provided by the embodiment, when the requirements such as the vehicle width, the curve radian, the ripple size, the simulated weight and the like of each vehicle body are different, the vehicle top washing working condition loading can be performed only by replacing the shape of the loading plate 103 and the number of the counterweight plates 102. The design and manufacture of the rubber loading plate 103 are about 5 days, the cost is 2000 yuan, the effect of attaching the rubber loading plate to the roof is good, the surface of the roof of the vehicle body is effectively protected, the operation space of the roof during loading is reduced, unsafe factors brought when operators carry out large-load loading high-altitude operation on the arc top surface of the roof are greatly reduced, and the tool storage space after the test is small and can be repeatedly used.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The car top car washing working condition loading universal device for the car body static strength test is characterized by comprising a plurality of universal loading units, wherein each universal loading unit comprises a loading plate and a counterweight plate, and the loading plate is a rubber loading plate and is used for being attached to the roof of a car body to be tested; the number of the weight plates is one or more; the loading plate and the counterweight plate are overlapped and detachably assembled into a whole through a fixing piece.
2. The vehicle top vehicle washing working condition loading universal device for the vehicle body static strength test is characterized in that the surface of the loading plate, which is far away from the counterweight plate, is wavy.
3. The vehicle top vehicle washing working condition loading universal device for the vehicle body static strength test is characterized in that the fixing piece is a bolt, and a counter bore matched with the head of the bolt is formed in the surface, deviating from the counterweight plate, of the loading plate.
4. The vehicle top vehicle washing working condition loading universal device for the vehicle body static strength test is characterized in that at least two nuts are assembled on a screw rod of the bolt.
5. The vehicle top vehicle washing condition loading universal device for the vehicle body static strength test is characterized in that the loading plate and the counterweight plate are respectively rectangular, and the width dimension of the loading plate is not larger than that of the counterweight plate.
6. The vehicle top vehicle washing working condition loading universal device for the vehicle body static strength test is characterized in that the universal loading units are sequentially arranged along the length direction of the loading plate.
7. The vehicle top vehicle washing condition loading universal device for the vehicle body static strength test is characterized in that the assembling hole matched with the fixing piece on the counterweight plate is a long-strip-shaped hole, and the extending direction of the long-strip-shaped hole is parallel to the length direction of the counterweight plate.
8. The vehicle top vehicle washing condition loading universal device for the vehicle body static strength test is characterized in that the number of the counterweight plates is multiple, and the weight of each counterweight plate is the same, different or only part of the weight of each counterweight plate is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008419.3A CN112129545A (en) | 2020-09-23 | 2020-09-23 | Car roof car washing working condition loading universal device for car body static strength test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008419.3A CN112129545A (en) | 2020-09-23 | 2020-09-23 | Car roof car washing working condition loading universal device for car body static strength test |
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| CN112129545A true CN112129545A (en) | 2020-12-25 |
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| CN202011008419.3A Pending CN112129545A (en) | 2020-09-23 | 2020-09-23 | Car roof car washing working condition loading universal device for car body static strength test |
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2020
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| CN106525407A (en) * | 2016-12-12 | 2017-03-22 | 中车株洲电力机车有限公司 | Cab curved surface static strength test loading tool, manufacturing method thereof and testing device |
| CN206248477U (en) * | 2016-12-12 | 2017-06-13 | 中车株洲电力机车有限公司 | The complex-curved test of static strength device of cab on electric locomotive |
| CN107764563A (en) * | 2017-10-12 | 2018-03-06 | 中车株洲电力机车有限公司 | A kind of rail traffic vehicles pilot test of static strength method and device |
| CN207556861U (en) * | 2017-10-25 | 2018-06-29 | 苏州益高电动车辆制造有限公司 | Car body strength test device |
| JP2020046180A (en) * | 2018-09-14 | 2020-03-26 | Ｊｆｅスチール株式会社 | Simple test method for snowfall strength of automobile |
| CN211347391U (en) * | 2018-11-05 | 2020-08-25 | 天津市泽友机械制造有限公司 | Roof frame static pressure experimental device for commercial vehicle |
| CN111337354A (en) * | 2020-05-06 | 2020-06-26 | 天津航天瑞莱科技有限公司 | Cambered surface pressure load loading system |
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