CN203795264U - Traction track for vehicle safety crash test room - Google Patents
Traction track for vehicle safety crash test room Download PDFInfo
- Publication number
- CN203795264U CN203795264U CN201420122128.0U CN201420122128U CN203795264U CN 203795264 U CN203795264 U CN 203795264U CN 201420122128 U CN201420122128 U CN 201420122128U CN 203795264 U CN203795264 U CN 203795264U
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- concrete layer
- steel
- foundation trench
- height
- backup pad
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Abstract
The utility model provides a traction track for a vehicle safety crash test room. The traction track comprises a foundation trench, a plurality of groups of supporting devices mounted in the foundation trench and connected with each other, a concrete layer poured between the supporting devices and the foundation trench and an asphalt layer paved on the upper surface of the concrete layer; each supporting device comprises a height adjusting support mounted on the bottom surface of the foundation trench, an H-shaped steel supporting mechanism assembled above the height adjusting support, a plurality of H-shaped steel reinforcing ribs fixedly connected to the two sides of the H-shaped steel supporting mechanism, and restrained steel bars of which one ends are connected to the H-shaped steel reinforcing ribs and the other ends are slantwise inserted in the foundation trench; the concrete layer is divided into two parts, namely a bottom concrete layer and a middle concrete layer; the bottom concrete layer is lower than the height adjusting support; the middle concrete layer is poured above the bottom concrete layer and the pouring height of the middle concrete layer is lower than the upper surface of the H-shaped steel supporting mechanism. The traction track has the beneficial effects that the flatness of the traction track can be adjusted stage by stage, the asphalt is paved at the topmost layer and the pavement can be repaired any time, and therefore, the accuracy of a vehicle crash test is further guaranteed.
Description
Technical field
The utility model relates to vehicle impact testing technical field, relates in particular to a kind of automobile safety collision test room traction runway.
Background technology
Vehicle impact testing is the important means of research vehicle safety, and it can reappear the collision form of vehicle under most of traffic, has become the important way of test evaluation research on vehicle passive safety.In order to reproduce car crass form in test room, need be by tested vehicle by the static impact velocity that accelerates to regulation.For experimental safe object, vehicle impact testing must not rely on vehicle power vehicle is accelerated, but adopt the mode of traction to make vehicle reach the speed of regulation, for this reason, the design of impact test traction runway need be considered embedded traction track in the time of pavement construction, is used for carrying the required parts of traction drive system.Although there are many common ground vehicle impact testing chamber with industrial premises aspect building structure, but aspect testing track, there is its particularity to be, first, for meeting vehicle impact testing requirement traction landing airdrome length generally at 100-200 rice, and there is planeness requirement in the global extent of runway ground, second, need embedded traction track in ground runway structure aspects, in landing airdrome length direction planeness requirement ± 10mm/5m and ± two parameter indexs of 2mm/2m control, be that long-range index is be controlled at ± 10mm of elevation within the scope of every 5m, short distance index is be controlled at ± 2mm of elevation in 2 scopes.
With reference to general flooring construction technology, in conjunction with the requirement of embedded traction track, if adopt general disposable concreting moulding process, concrete in forming process due to the irregular honeycomb causing, pitted skin, the doghole problem of vibrating, hardening process self-constriction problem, these uncontrollable factors will directly have influence on final ground flat degree, and this impact is unrepairable, finally can cause the inaccurate impact test of even cannot carrying out of impact test.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of automobile safety collision test room traction runway, can adjust step by step the planeness of traction runway, has reduced the problem existing in disposal pouring forming process.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of automobile safety collision traction runway for test room, comprise foundation trench, be arranged on the interconnective some groups of bracing or strutting arrangements in foundation trench, water the concrete layer casting between described bracing or strutting arrangement and foundation trench, and be laid on the bitumen layer of described concrete layer upper surface;
Described bracing or strutting arrangement comprises that the height that is arranged on foundation trench bottom surface regulates support, be assemblied in the H steel supporting mechanism that highly regulates support top, be fixed in some H steel reinforcing ribs of H steel supporting mechanism both sides, and one end is connected in H steel reinforcing rib, other end oblique cutting enters the constraint reinforcing bar of described foundation trench;
Described concrete layer is divided into bottom concrete layer and middle part concrete layer two parts, and described bottom concrete layer height regulates the height of support lower than described height, and described middle part concrete layer waters and casts from the concrete layer of described bottom, and its teeming height is lower than described H steel supporting mechanism upper surface.
Further, described height regulates support to comprise the lower supporting plate concordant with described foundation trench bottom surface, symmetry is fixed on this lower supporting plate and threaded two supporting plates are established in upper end, be sleeved on the upper backup pad on supporting plate, and be arranged on upper backup pad top and be sleeved on the positioning pressuring plate on supporting plate, described upper backup pad lower end is provided with the setscrew nut that is threaded onto described supporting plate upper end, and described positioning pressuring plate top is provided with the locking nut being threaded onto on described supporting plate.
Further, the height of described bottom concrete layer is lower than the soffit of described upper backup pad.
Further, described H steel supporting mechanism comprises two H steel that are symmetricly set on upper backup pad, between described H steel, connect by connecting bolt, and fixed by attaching nut, on described connecting bolt, cover has two cylinders, between described cylinder, be provided with spacing clip, described H steel lower end is installed under positioning pressuring plate and by its compression.
Further, described middle part concrete layer teeming height is concordant with the upper end soffit of described H steel.
By technique scheme, realize the control step by step of planeness, make whole runway there will not be planeness not reach the situation of requirement, simultaneously in the superiors' asphalt, can carry out at any time road surface reparation, further ensure the accuracy of vehicle impact testing.
In order better to ensure the planeness of automobile safety collision testing track, the utility model adopts construction in layer method, comprises the following steps:
1) construction of foundation ditch: dig foundation trench under indoor terrace, length is 100-200m, and by the compacting of foundation trench bottom surface;
2) bottom construction: regulate stentplacement in foundation trench some height, adjust the vertical height of its upper backup pad, make described upper backup pad maintenance level; Some constraint reinforcing bars one end oblique cutting is entered to described foundation trench, casting bottom concrete layer in described foundation trench, teeming height is lower than the soffit of described upper backup pad;
3) middle level construction: some H steel supporting mechanisms are placed on the upper backup pad of described height adjusting support, regulate straight degree and the planeness of adjacent H steel supporting mechanism; The constraint reinforcing bar other end is fixed on H steel reinforcing rib; Casting middle part concrete layer in described foundation trench, teeming height is concordant with the upper end soffit of described H steel;
4) top layer construction: in described middle part concrete layer upper surface making bitumen layer, its height is concordant with the upper surface of described H steel supporting mechanism.
Further, the dark 600mm of described foundation trench, its width is 3200mm.
Further, the straight degree of described adjacent H steel supporting mechanism is adjusted by positioning pressuring plate; Described H steel supporting mechanism planeness is adjusted by setscrew nut.
The construction in layer method adopting by the utility model, it has the following advantages:
1, construction in layer method has realized the control step by step of planeness in work progress, by bottom construction, middle level construction and top layer construction are set, has guaranteed step by step the planeness of traction runway, has reduced the risk existing in disposal pouring forming process.
2, adopt and highly regulate support to realize the successively control of planeness.Guarantee in bottom construction highly regulating the planeness requirement of support by highly regulating support lower supporting plate, highly regulate support upper backup pad height to guarantee the planeness requirement to H steel supporting mechanism in the construction of middle level by regulating, realize step by step the control of the planeness of traction runway, solved the planeness required precision in primary concreting molding construction technique of traction runway and be difficult to the difficult problem ensureing.
3, construction in layer, for the concrete of mass, has been controlled the heat of hydration of concrete structure inside, is convenient to heat radiation, and component inside vibrates more closely knit, has ensured concrete construction quality.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is that the A-A of the utility model Fig. 1 is to sectional view;
Fig. 3 is the structural representation that height of the present utility model regulates support;
Fig. 4 is the structural representation of H steel supporting mechanism of the present utility model;
In figure: 1-foundation trench; 2-highly regulates support; 3-H steel supporting mechanism; 4-H steel reinforcing rib; 5-retrains reinforcing bar; 21-lower supporting plate; 22-supporting plate; 23-upper backup pad; 24-positioning pressuring plate; 25-setscrew nut; 26-locking nut; 31-H steel; 32-connecting bolt; 33-attaching nut; 34-cylinder; The spacing clip of 35-; I-bottom concrete layer; II-middle part concrete layer; III-bitumen layer;
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is illustrated:
A kind of automobile safety collision traction runway for test room, its length can arrange as required, the present embodiment is 100-200m, it comprises foundation trench 1, in foundation trench 1, be provided with and interconnect some groups of bracing or strutting arrangements, between bracing or strutting arrangement and foundation trench 1, be cast with concrete layer, be equipped with bitumen layer III at concrete layer upper surface;
Wherein:
Bracing or strutting arrangement comprises that the height that is arranged on foundation trench 1 bottom surface regulates support 2, be assemblied in the H steel supporting mechanism 3 that highly regulates support 2 tops and be installed thereon, weld some H steel reinforcing ribs 4 in H steel supporting mechanism 3 both sides, on H steel reinforcing rib 4, be welded with constraint reinforcing bar 5, the other end oblique cutting of this constraint reinforcing bar 5 enters foundation trench 1, main in order to ensure the straight degree of traction track in the vertical direction, prevent that traction track is in the behavior of course of work generation play;
Highly regulate support 2 to comprise and be placed on the lower supporting plate 21 on foundation trench 1 bottom surface, symmetry is fixed in two supporting plates 22 on this lower supporting plate 21, these supporting plate 22 upper ends are provided with screw thread, first on supporting plate 22, screw on setscrew nut 25, afterwards upper backup pad 23 is sleeved on supporting plate 22, then positioning pressuring plate 24 is installed on upper backup pad 23, location presses 24 to be also sleeved on supporting plate 22, on supporting plate 22, screw in locking nut 26, by regulating the setscrew nut 25 at two ends to adjust the height up and down of upper backup pad 23, finally make its maintenance level;
H steel supporting mechanism 3 comprises two H steel 31 that are symmetricly set on upper backup pad 23, and its lower end is installed on positioning pressuring plate 24 times and is compressed by it, can adjust the straight degree between adjacent H steel 31, and H steel 31 is carried out to the constraint of upper and lower displacement by positioning pressuring plate 24; Be provided with through hole in H steel 31 middle and lower parts, connecting bolt 32 makes to be connected symmetrically arranged H steel 31 through this through hole, and be fixed by attaching nut 33, on connecting bolt 32, cover has two cylinders 34, between cylinder 34, be provided with spacing clip 35, can regulate and retrain the spacing of two symmetrical H steel 31 by spacing clip 35 and cylinder 34, ensure that the spacing of each H steel supporting mechanism 3 on whole runway is the same.
Concrete layer comprises bottom concrete layer I and middle part concrete layer II two parts, wherein the teeming height of bottom concrete layer I is lower than the soffit of upper backup pad 23, and then can ensure that upper backup pad 23 can be adjustable after bottom concrete layer I cast, in the present embodiment, to build thickness be 120mm to bottom concrete layer I; Middle part concrete layer II casts in the concrete layer I of bottom, and its teeming height is concordant with the upper end soffit of the H steel 31 of H steel supporting mechanism 3, in the present embodiment its to build be highly 180mm.
In order better to ensure the planeness of automobile safety collision testing track, the utility model is set forth by the construction method of traction runway this automobile safety collision test room, and this method adopts construction in layer mode, specifically comprises the following steps:
1) construction of foundation ditch: first dig foundation trench 1 under indoor terrace, its length is 100-200m, and the degree of depth is 600mm, and width is 3200mm, in order to ensure follow-up planeness requirement, foundation trench 1 bottom is straight;
2) bottom construction: highly regulate support 2 to realize the control of planeness in bottom construction by arranging, regulate support 2 to be positioned in foundation trench 1 some height, make highly to regulate the lower supporting plate 21 of support 2 to parallel with foundation trench 1 bottom surface, the vertical height of adjusting afterwards its gripper shoe 23 by setscrew nut 25, makes upper backup pad 23 maintenance levels; Again one end oblique cutting of some constraint reinforcing bars 5 is entered to foundation trench 1, after adjusting and highly regulating support 2 and constraint reinforcing bar 5, concrete layer I bottom the interior casting of foundation trench 1, its teeming height is lower than the soffit of upper backup pad 23;
3) middle level construction: some H steel supporting mechanisms 3 are placed on upper backup pad 23, regulate the straight degree between adjacent H steel 31 and H steel 31 vertical displacements own are retrained by positioning pressuring plate 24, regulate the planeness of H steel 31 by setscrew nut 25, and by locking nut 26, it is fastening; The other end of constraint reinforcing bar 5 is welded on H steel reinforcing rib 4; Adjusting after the planeness of H steel supporting mechanism 3, in foundation trench 1 inner bottom part concrete layer I top casting middle part concrete layer II, teeming height is concordant with the upper end soffit of H steel 31;
4) top layer construction: in middle part concrete layer II upper surface making bitumen layer III, this bitumen layer III is the road structure of pitch mixed material as surface layer, its height is concordant with the upper surface of H steel supporting mechanism 3, and the making thickness of the present embodiment medium pitch layer III is 20mm.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model scope, within all should still belonging to this patent covering scope.
Claims (5)
1. a traction runway for automobile safety collision test room, it is characterized in that: comprise foundation trench (1), be arranged on the interconnective some groups of bracing or strutting arrangements in foundation trench (1), water the concrete layer casting between described bracing or strutting arrangement and foundation trench (1), and be laid on the bitumen layer (III) of described concrete layer upper surface;
Described bracing or strutting arrangement comprises that the height that is arranged on foundation trench (1) bottom surface regulates support (2), be assemblied in the H steel supporting mechanism (3) that highly regulates support (2) top, be fixed in some H steel reinforcing ribs (4) of H steel supporting mechanism (3) both sides, and one end is connected in H steel reinforcing rib (4), other end oblique cutting enters the constraint reinforcing bar (5) of described foundation trench (1);
Described concrete layer is divided into bottom concrete layer (I) and middle part concrete layer (II) two parts, described bottom concrete layer (I) height regulates the height of support (2) lower than described height, described middle part concrete layer (II) waters and casts from described bottom concrete layer (I), and its teeming height is lower than described H steel supporting mechanism (3) upper surface.
2. a kind of automobile safety collision according to claim 1 traction runway for test room, it is characterized in that: described height regulates support (2) to comprise the lower supporting plate (21) concordant with described foundation trench (1) bottom surface, symmetry is fixed in this lower supporting plate (21) above and threaded two supporting plates (22) are established in upper end, be sleeved on the upper backup pad (23) on supporting plate (22), and be arranged on upper backup pad (23) top and be sleeved on the positioning pressuring plate (24) on supporting plate (22), described upper backup pad (23) lower end is provided with the setscrew nut (25) that is threaded onto described supporting plate (22) upper end, described positioning pressuring plate (24) top is provided with the locking nut (26) being threaded onto on described supporting plate (22).
3. a kind of automobile safety collision according to claim 2 traction runway for test room, is characterized in that: the height of described bottom concrete layer (I) is lower than the soffit of described upper backup pad (23).
4. a kind of automobile safety collision according to claim 2 traction runway for test room, it is characterized in that: described H steel supporting mechanism (3) comprises two H steel (31) that are symmetricly set on upper backup pad (23), between described H steel (31), connect by connecting bolt (32), and fixing by attaching nut (33), the upper cover of described connecting bolt (32) has two cylinders (34), between described cylinder (34), be provided with spacing clip (35), described H steel (31) lower end is installed under positioning pressuring plate (24) and by its compression.
5. a kind of automobile safety collision according to claim 4 traction runway for test room, is characterized in that: described middle part concrete layer (II) teeming height is concordant with the upper end soffit of described H steel (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122128.0U CN203795264U (en) | 2014-03-18 | 2014-03-18 | Traction track for vehicle safety crash test room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122128.0U CN203795264U (en) | 2014-03-18 | 2014-03-18 | Traction track for vehicle safety crash test room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203795264U true CN203795264U (en) | 2014-08-27 |
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ID=51377494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420122128.0U Withdrawn - After Issue CN203795264U (en) | 2014-03-18 | 2014-03-18 | Traction track for vehicle safety crash test room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203795264U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821061A (en) * | 2014-03-18 | 2014-05-28 | 中国汽车技术研究中心 | Traction runway for automobile safety crash laboratory and layered construction method of the traction runway |
| CN105606330A (en) * | 2016-02-25 | 2016-05-25 | 江苏科技大学 | Traction track for automobile crash test |
| CN110195410A (en) * | 2018-02-27 | 2019-09-03 | 上汽通用汽车有限公司 | The construction method of bridge deck pavement |
-
2014
- 2014-03-18 CN CN201420122128.0U patent/CN203795264U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821061A (en) * | 2014-03-18 | 2014-05-28 | 中国汽车技术研究中心 | Traction runway for automobile safety crash laboratory and layered construction method of the traction runway |
| CN103821061B (en) * | 2014-03-18 | 2015-10-28 | 中国汽车技术研究中心 | Traction runway for automobile safety crash laboratory and layered construction method thereof |
| CN105606330A (en) * | 2016-02-25 | 2016-05-25 | 江苏科技大学 | Traction track for automobile crash test |
| CN105606330B (en) * | 2016-02-25 | 2018-05-22 | 江苏科技大学 | One kind is used for vehicle impact testing traction track |
| CN110195410A (en) * | 2018-02-27 | 2019-09-03 | 上汽通用汽车有限公司 | The construction method of bridge deck pavement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |