CN111707480A - Rollover prevention support for automobile test - Google Patents
Rollover prevention support for automobile test Download PDFInfo
- Publication number
- CN111707480A CN111707480A CN202010797868.4A CN202010797868A CN111707480A CN 111707480 A CN111707480 A CN 111707480A CN 202010797868 A CN202010797868 A CN 202010797868A CN 111707480 A CN111707480 A CN 111707480A
- Authority
- CN
- China
- Prior art keywords
- support
- connecting plate
- supporting
- automobile
- rollover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000013112 stability test Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a rollover prevention support for an automobile test, which comprises a supporting beam and supporting wheels, wherein the supporting beam is provided with a plurality of supporting holes; the anti-rollover support further comprises a support arm, and two telescopic support rods are hinged to the support arm and respectively comprise a first telescopic support rod and a second telescopic support rod; the end part of the supporting beam far away from the automobile beam is hinged with a steering seat, and the steering seat is also hinged with the first telescopic supporting rod and one end of the supporting arm respectively; and a tire seat is fixed on the supporting wheel and is respectively hinged with the second telescopic supporting rod and the other end of the supporting arm. The anti-rollover bracket can rotate in the horizontal direction, and the bogie can be folded by 90 degrees or completely unfolded as required, so that the folding and the unfolding are convenient; meanwhile, the different protection heights and different protection angles of the rollover-preventing support are adjusted.
Description
Technical Field
The invention relates to a rollover prevention support for an automobile test.
Background
The automobile rollover prevention support is applied to a vehicle performance limit test. When the performance limit test tests such as the anti-rollover stability test, the braking performance test, the electronic stability test, the steering test and the like are carried out in a vehicle test field, in order to avoid safety accidents caused by the out-of-control rollover of a vehicle, a rollover-preventing support is usually required to be installed on a crossbeam of the tested vehicle so as to ensure the test safety. Because the girder structures, the heights of the girders and the side-tipping stable angles of the whole vehicles of different manufacturers are different, the side-tipping prevention support should be quickly connected with the girders of different test vehicles and can meet the adjustment requirements of different protection angles and heights, and the strength of the support should be enough to support the impact force when the vehicles roll over.
Rollover prevention supports generally consist of a support beam, support arms, support wheels, or other support structure. At present, most of anti-rollover supports have the problems that the connecting mode of a supporting beam and a test vehicle is single, the adjusting mode of the protection angle and the height of the supporting arm is complex, the supporting arm cannot be folded and unfolded, and the overall design dead weight is large. The single adaptability that leads to support and different vehicles of support supporting beam mounting means is not enough, and the angle and the high adjustment mode of support arm are complicated to influence test efficiency, thereby the support arm can not be folded and expanded and influence experimental transition, and the great influence test result of global design dead weight.
Disclosure of Invention
The invention aims to solve the technical problems that the existing rollover-prevention support for vehicle tests is inconvenient in protection angle and height adjustment, and meanwhile, the support arm is inconvenient to fold and unfold, has large self weight and the like.
The invention aims to provide the rollover-preventing support which can be quickly matched and connected with various test vehicle girders, is convenient to adjust the protection angle and height, is convenient to fold and unfold the support arm and has light self weight.
In order to solve one or more technical problems, the invention provides a rollover prevention support for an automobile test, which comprises a support beam and a position support wheel, wherein the support beam is arranged on the support beam; the anti-rollover support further comprises a support arm, and two telescopic support rods are hinged to the support arm and respectively comprise a first telescopic support rod and a second telescopic support rod; the end part of the supporting beam far away from the automobile beam is hinged with a steering seat, and the steering seat is also hinged with the first telescopic supporting rod and one end of the supporting arm respectively; and a tire seat is fixed on the supporting wheel and is respectively hinged with the second telescopic supporting rod and the other end of the supporting arm.
In the prior art, a supporting beam is mounted on a vehicle frame, and supporting wheels are used for supporting a rollover-prevention support and are generally located at the end of the rollover-prevention support.
Preferably, the steering seat, the first telescopic strut and the support arm enclose a triangle; the steering seat, the second telescopic supporting rod and the supporting arm form a triangle.
The supporting arm can rotate in the vertical direction by stretching and contracting the first telescopic supporting rod, so that the requirements of different protection heights of the anti-rollover support are met; the angle between the supporting wheel and the ground can be adjusted by stretching and contracting the second telescopic supporting rod, so that the adjusting requirements of different protection angles of the side-turning prevention support are met.
Preferably, the steering seat rotates in the horizontal direction around the supporting beam; the support arm rotates in the vertical direction around the steering seat.
Preferably, the support arm is provided with a hinged ear plate, and the support arm is hinged with the first telescopic supporting rod and the second telescopic supporting rod respectively through the hinged ear plate.
Preferably, the hinged ear plate is provided in the middle of the support arm.
Preferably, the rollover prevention support is of an axisymmetrical structure. The rollover-preventing support is of a bilateral symmetry structure, and the symmetry axis is the center line of two parallel automotive girders.
Preferably, the cross sections of the middle beam and the edge beam are square.
Preferably, the supporting beam comprises a middle beam and an edge beam, one end of the edge beam is fixedly connected with the middle beam in a detachable mode, and the other end of the edge beam is hinged with the steering seat.
Preferably, the side surfaces of the end parts of the middle beam and the side beam are respectively provided with a first connecting hole, and the middle beam and the side beam are detachably and fixedly connected through a first fastener passing through the first connecting holes.
Preferably, when the anti-rollover bracket is used for being installed above the automobile frame, the anti-rollover bracket further comprises a first connecting plate and a second connecting plate which are respectively positioned at the upper side and the lower side of the automobile frame, wherein the first connecting plate is fixedly connected to the bottom surface of the middle beam or the side beam and is positioned at the end part of the middle beam or the side beam; and second connecting holes positioned at the left side and the right side of the automobile beam are formed in the first connecting plate and the second connecting plate, and the edge beam is detachably fixed on the automobile beam through second fasteners passing through the second connecting holes.
Preferably, when the anti-rollover bracket is used for being installed below the automobile frame, the anti-rollover bracket further comprises a second connecting plate and a first connecting plate which are respectively positioned at the upper side and the lower side of the automobile frame, wherein the first connecting plate is fixedly connected to the top surface of the middle beam or the side beam and is positioned at the end part of the middle beam or the side beam; and second connecting holes positioned at the left side and the right side of the automobile beam are formed in the first connecting plate and the second connecting plate, and the edge beam is detachably fixed on the automobile beam through second fasteners passing through the second connecting holes.
Preferably, when the anti-rollover bracket is used for being installed on the side surface of the automobile beam, the anti-rollover bracket further comprises a third connecting plate and a fourth connecting plate which are respectively positioned on the left side and the right side of the automobile beam, wherein the third connecting plate is fixedly connected to the side surface of the end part of the middle beam; third connecting holes located on two sides above and below the automobile beam are formed in the third connecting plate and the fourth connecting plate, and the middle beam is detachably fixed on the automobile beam through third fasteners passing through the third connecting holes. It should be noted that the rollover prevention bracket for the automobile test provided by the invention is described by taking the direction of the automobile as a reference, namely the front, rear, left and right directions of the automobile are the same as the front, rear, left and right directions of the rollover prevention bracket of the invention. The rollover prevention support is vertically installed with the automobile beam, namely, installed along the left and right directions of the automobile.
The telescopic supporting rods (the first telescopic supporting rod and the second telescopic supporting rod) can use related supporting rods in the prior art, and can also use a T-shaped screw rod and nut combination with positive and negative screws, and the T-shaped screw rod is rotated to realize quick length change, so that the angle and the height of the supporting arm are changed to meet different test requirements.
Compared with the prior art, the invention has the advantages that:
1. the side-turning prevention support can rotate in the horizontal direction, the bogie can be folded for 90 degrees or completely unfolded as required, and the folding and unfolding are convenient.
2. The first telescopic supporting rod is adjusted to enable the supporting arm to rotate in the vertical direction, and the second telescopic supporting rod is adjusted to enable the angle between the supporting wheel and the ground to be adjusted; meanwhile, the different protection heights and different protection angles of the rollover-preventing support are adjusted.
3. The stress condition of the supporting arm is changed through the arrangement of the telescopic supporting rods, and compared with other anti-rollover supports, the anti-rollover support is favorable for reducing the requirements on the section of the arm body, so that the whole dead weight of the anti-rollover support is reduced.
Drawings
FIG. 1 is a front view of an anti-rollover bracket mounted above an automotive frame.
Fig. 2 is an enlarged view of the right half of fig. 1.
FIG. 3 is a schematic view of the left and middle portions of the anti-roll bracket mounted below the automotive frame.
FIG. 4 is a front view of an anti-rollover bracket mounted to a side of a vehicle frame.
Fig. 5 is an exploded view of a middle portion of the rollover prevention bracket installed at a side of the girder of the automobile.
Reference numerals: 1-supporting a beam; 2-a support wheel; 3-a support arm; 4-a steering seat; 21-tire seat; 31-a first telescoping strut; 32-a second telescoping strut; 33-hinged ear panels; 51-a first connection hole; 61-a first connection plate; 62-a second connecting plate; 63-a third connecting plate; 64-a fourth connecting plate; 65-a fifth connecting plate; 66-a sixth connecting plate; 72-a second fastener; 73-a third fastener; 0-automotive frame.
Detailed Description
Example 1 (Upper mounting)
The embodiment provides a rollover-prevention support for vehicle tests, which is arranged above a beam of an automobile, and the installed structural schematic diagram is shown in fig. 1, and in fig. 1 and other drawings, two areas filled with oblique line segments are cross-sectional schematic areas of two beams of the automobile. Since the left and right parts of fig. 1 are symmetrical, in order to more clearly show the structure of the rollover prevention bracket, fig. 1 is divided into two symmetrical left and right parts along the middle of fig. 1, and the right half part is enlarged to be fig. 2. The rollover prevention support for the test comprises a supporting beam 1 arranged on a beam of an automobile and supporting wheels 2 positioned at the end parts of the rollover prevention support; the anti-rollover support further comprises a support arm 3, and two telescopic support rods, namely a first telescopic support rod 31 and a second telescopic support rod 32, are hinged to the support arm 3; a steering seat 4 is hinged to the end part (the end far away from the automobile beam) of the supporting beam, and the steering seat 4 is also hinged to one end of the first telescopic supporting rod 31 and one end of the supporting arm 3 respectively, so that the steering seat 4, the first telescopic supporting rod 31 and the supporting arm 3 enclose a triangle; a tire seat 21 is fixed on the supporting wheel 2, and the tire seat 21 is further hinged to the second telescopic strut 32 and the other end of the supporting arm 3 respectively, so that the steering seat 4, the second telescopic strut 32 and the supporting arm 3 enclose a triangle. The steering seat 4 rotates in the horizontal direction around the supporting beam 2; the support arm 3 is rotatable in the vertical direction about a swivel 4. The support arm 3 is provided with a hinged lug plate 33, and the hinged lug plate 33 is arranged in the middle of the support arm 3. The support arm 3 is hinged to the first telescopic strut 31 and the second telescopic strut 32 by said hinged ear plate 33. The supporting beam 1 comprises a middle beam 11 and an edge beam 12, one end of the edge beam 12 is detachably and fixedly connected with the middle beam 11, and the other end of the edge beam is hinged with the steering seat 4. First connection holes 51 are provided in the side surfaces of the end portions of the center sill 11 and the side sill 12, and the center sill 11 and the side sill 12 are detachably fixedly connected through the first connection holes 51 by first fasteners (which coincide with the first connection holes 51, and which are not shown in fig. 2).
The rollover prevention support further comprises a first connecting plate 61 and a second connecting plate 62 which are respectively positioned at the upper side and the lower side of the automobile frame, wherein the first connecting plate 61 is fixedly connected to the bottom surface of the middle beam 11 or the boundary beam 12 and is positioned at the end part of the middle beam 11 or the boundary beam 12; the first connecting plate 61 and the second connecting plate 62 are respectively provided with a second connecting hole located at the left and right sides of the automobile frame, and the middle beam 11 and the side beam 12 are detachably fixed on the automobile frame by a second fastener 72 passing through the second connecting hole (the position of the second connecting hole coincides with the second fastener 72, which is not shown in the figure).
Example 2 (bottom mounting)
The rollover prevention bracket may be installed below the side member of the automobile, and has the same structure as in embodiment 1, except that the installation position of the rollover prevention bracket is adjusted from above the side member of the automobile to below the side member of the automobile, and the structure thereof can be referred to fig. 2.
Example 3 (bottom mounting)
In this embodiment, the rollover prevention bracket is also installed below the automobile frame, and the structure is substantially the same as that of embodiment 1, as shown in fig. 3, fig. 3 is a schematic view of a left portion of the rollover prevention bracket when installed below the automobile frame, and fig. 3 is a partial schematic view of a right rollover prevention bracket for easy understanding. The main differences between the rollover prevention bracket shown in fig. 3 and that of fig. 1 are as follows: a third connecting plate 63 is connected (welded) to one end of the center sill 11, and the other end of the center sill 11 is inserted into the edge sill 12 and connected by a first fastening member (at least the third connecting plate 63 on the center sill 11 is exposed outside the edge sill 12). The left and right third connecting plates 63 are connected by a plurality of third fastening members 73. Therefore, the rollover-prevention support can be better fixed below the automobile beam.
Example 4 (side mount)
As shown in fig. 4, the rollover prevention bracket may also be mounted laterally on the vehicle frame. The structure of the supporting wheel 2 and the supporting arm 3 is unchanged no matter how the mounting is carried out, and the main difference lies in the connection mode with the automobile beam. For clarity, an exploded view of the middle portion of the installed side rollover prevention support is shown in FIG. 5, wherein most of the fasteners in the exploded view have been removed for clarity.
As shown in fig. 5, a third connecting plate 63 and a fourth connecting plate 64 are respectively arranged on the outer side of the vehicle body member 0. The third connecting plate 63 is welded to one end of the center sill 11, and the other end of the center sill 11 can be inserted into the edge sill 12 and connected by the first fastening member (at least the third connecting plate 63 on the center sill 11 is exposed outside the edge sill 12). The third connecting plate 63 and the fourth connecting plate 64 are provided with third connecting holes and connected through a plurality of third fasteners, wherein the fasteners are uniformly distributed on the upper side and the lower side of the automobile frame.
For further reinforcement, a fifth connecting plate 65 is welded to the bottom surface of the side sill 12, and the fifth connecting plate 65 and the fourth connecting plate 64 are further fastened and connected by a sixth connecting plate 66. The sixth connecting plate 66 is a rectangular plate, and a horizontal surface portion thereof is fixed to the fifth connecting plate 65 by a fastener, and a vertical surface portion thereof is fixed to the sixth connecting plate 66 by a fastener. At this time, the anti-rollover brackets of the left part and the right part are independently fixed on the left crossbeam and the right crossbeam of the automobile respectively.
Claims (10)
1. An anti-rollover bracket for an automobile test comprises a supporting beam and supporting wheels; the anti-rollover support is characterized by further comprising a support arm, wherein two telescopic support rods are hinged to the support arm and respectively comprise a first telescopic support rod and a second telescopic support rod;
the end part of the supporting beam far away from the automobile beam is hinged with a steering seat, and the steering seat is also hinged with the first telescopic supporting rod and one end of the supporting arm respectively;
and a tire seat is fixed on the supporting wheel and is respectively hinged with the second telescopic supporting rod and the other end of the supporting arm.
2. The rollover prevention bracket of claim 1 wherein the diverter block rotates in a horizontal direction about the support beam; the support arm rotates in the vertical direction around the steering seat.
3. The rollover prevention bracket of claim 1, wherein the steering seat, the first telescoping strut, and the support arm define a triangle, and/or the steering seat, the second telescoping strut, and the support arm define a triangle.
4. The rollover prevention support according to claim 1, wherein the support arm is provided with a hinged ear plate, and the support arm is hinged to the first telescopic strut and the second telescopic strut through the hinged ear plate.
5. The rollover prevention support defined in claim 1 wherein the rollover prevention support is of an axisymmetric configuration.
6. The rollover prevention bracket according to claim 1, wherein the support cross member comprises a middle beam and an edge beam, one end of the edge beam is fixedly connected with the middle beam in a detachable manner, and the other end of the edge beam is hinged with the steering seat.
7. The rollover prevention bracket according to claim 6, wherein first coupling holes are formed in the side surfaces of the end portions of the middle beam and the side beams, and the middle beam and the side beams are detachably and fixedly coupled by first fasteners passing through the first coupling holes.
8. The rollover prevention bracket according to claim 6 or 7, further comprising a first connecting plate and a second connecting plate respectively located at upper and lower sides of the automotive frame when the rollover prevention bracket is used to be installed above the automotive frame, wherein the first connecting plate is fixedly connected to the bottom surface of the middle beam or the side beam and located at the end of the middle beam or the side beam; and second connecting holes positioned at the left side and the right side of the automobile beam are formed in the first connecting plate and the second connecting plate, and the edge beam is detachably fixed on the automobile beam through second fasteners passing through the second connecting holes.
9. The rollover prevention bracket according to claim 6 or 7, further comprising a second connecting plate and a first connecting plate respectively located at upper and lower sides of the automotive frame when the rollover prevention bracket is used to be installed below the automotive frame, wherein the first connecting plate is fixedly connected to a top surface of the middle beam or the side beam and located at an end portion of the middle beam or the side beam; and second connecting holes positioned at the left side and the right side of the automobile beam are formed in the first connecting plate and the second connecting plate, and the edge beam is detachably fixed on the automobile beam through second fasteners passing through the second connecting holes.
10. The rollover prevention bracket according to claim 6 or 7, further comprising a third connecting plate and a fourth connecting plate respectively located on the left and right sides of the automobile frame when the rollover prevention bracket is used for being mounted on the side surface of the automobile frame, wherein the third connecting plate is fixedly connected to the side surface of the end portion of the middle beam; third connecting holes located on two sides above and below the automobile beam are formed in the third connecting plate and the fourth connecting plate, and the middle beam is detachably fixed on the automobile beam through third fasteners passing through the third connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797868.4A CN111707480A (en) | 2020-08-10 | 2020-08-10 | Rollover prevention support for automobile test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797868.4A CN111707480A (en) | 2020-08-10 | 2020-08-10 | Rollover prevention support for automobile test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111707480A true CN111707480A (en) | 2020-09-25 |
Family
ID=72546987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010797868.4A Pending CN111707480A (en) | 2020-08-10 | 2020-08-10 | Rollover prevention support for automobile test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111707480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649207A (en) * | 2020-10-10 | 2021-04-13 | 天津英创汇智汽车技术有限公司 | Universal rollover-prevention support device for truck test |
-
2020
- 2020-08-10 CN CN202010797868.4A patent/CN111707480A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649207A (en) * | 2020-10-10 | 2021-04-13 | 天津英创汇智汽车技术有限公司 | Universal rollover-prevention support device for truck test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111707480A (en) | Rollover prevention support for automobile test | |
| CN212807626U (en) | Support of turning on one's side is prevented to vehicle | |
| US7338052B2 (en) | Trailer stabilizing device and method of using same | |
| CN212921763U (en) | Extrusion marble type electric vehicle temple | |
| CN112110353A (en) | Underframe and crane | |
| CN204279247U (en) | Turnover ladder and engineering machinery vehicle | |
| CN107601387B (en) | A kind of double-deck auxiliary frame structure of high-altitude operation vehicle | |
| CN211731849U (en) | Unmanned aerial vehicle recovery unit | |
| CN110196170B (en) | Anti-rolling support for vehicle | |
| CN219789957U (en) | Automobile seat installation foot rest | |
| CN204279246U (en) | Mounting ladder and engineering machinery vehicle | |
| EP3694734B1 (en) | Suspension system for a cabin of a land vehicle | |
| CN206171593U (en) | Spare wheel support assembly and car | |
| CN217111507U (en) | Rollover prevention device | |
| CN219687254U (en) | Side rail guard and truck with adjustable truck | |
| CN214734012U (en) | Automobile with H-leg folding-arm crane | |
| CN215883612U (en) | Lifting chassis special for water hose laying vehicle | |
| CN214824183U (en) | Engine protection device of aviation aircraft | |
| CN218966830U (en) | Vehicle-mounted manual folding control table | |
| US20230373399A1 (en) | Front lower part of a heavy vehicle | |
| CN218506002U (en) | Upset driver's cabin and car | |
| CN212844373U (en) | Anti-rollover support for dynamic test of automobile train | |
| CN218980317U (en) | Trailer mechanism of fire engine | |
| SE531576C2 (en) | Procedure for installing a suspension unit with torsion bar and torsion bar unit | |
| JP2019127387A (en) | Special vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200925 |