CN209342386U - Passenger car Frontal offset impact test offset measuring device - Google Patents

Abstract

A kind of passenger car Frontal offset impact test offset measuring device, including car-mounted device and ground installation；The car-mounted device includes mobile jib, there is guide groove in the mobile jib upper end, mounting rod is connected in guide groove, there is cylindrical hole in mounting rod one end, the mounting rod other end has convex shoulder, convex shoulder center is threaded hole, for connecting the lock-screw of mobile jib and mounting rod loaded in threaded hole at convex shoulder, mobile jib lower end is connected with sliding sleeve, and bar top is plugged in sliding sleeve, and bar upper end is loaded on the fixture nut of limit, bar lower end connects marking pen through self-tightening drill jig, it is cased with spring in the middle part of bar, spring upper end offsets with sliding sleeve, and lower spring end offsets with self-tightening drill jig；The ground installation includes mark plate and fixed plate, and mark plate is through spring hinge inclination loaded in fixed plate.The utility model can more accurately, fast and easily measure offset.

Description

Passenger car Frontal offset impact test offset measuring device

Technical field

The utility model relates to Frontal offset impacts to test field, and in particular to a kind of Frontal offset impact test offset Measuring device.

Background technique

In full scale vehicle collision standard, the range of vehicle or collision trolley deviation theory trajectory line is made that when collision occurs Clear stipulaties.To front of the car and variable in GB/T 20913-2007 " passenger protection of passenger car Frontal offset impact " standard Duplication between shape obstacle has carried out strict regulations, it is desirable that the Duplication between front of the car and deformable obstacle is body width, during test the size relation of vehicle shift amount the confidence level of test result, require in test report The specific value of offset is provided, therefore, the offset of vehicle is particularly important when accurately measuring collision.

It mostly uses at present and smears pigment in the collision side edge of deformable obstacle, by pigment inscription rubbing to stickup when collision occurs In headstock on millimeter paper, the measurement pigment marking with to vehicle body on millimeter paperThe distance between line obtains vehicle in collision process The offset of body.Aforesaid operations, most of situation headstock is badly damaged after collision, is hit to millimeter paper rotten, can not accurately measure Offset when collision；Further, since deformable obstacle edge slides on to millimeter paper when collision, pigment is smeared in flakes, nothing Method quickly and clearly finds out collision moment marking line.To sum up, existing measurement method is difficult accurately, fast and easily to measure The offset of Frontal offset impact test.

Summary of the invention

A kind of passenger car front biasing is provided the purpose of the utility model is to overcome the above-mentioned insufficient of the prior art to touch Test offset measuring device is hit, more accurately, fast and easily offset can be measured.

The technical scheme adopted by the utility model to solve the technical problem is as follows: including car-mounted device and ground installation；Institute Stating car-mounted device includes mobile jib, and there is guide groove in the mobile jib upper end, and mounting rod is connected in guide groove, and there is pilot hole in mounting rod one end, peace The dress bar other end has convex shoulder, and the lock-screw for connecting mobile jib and mounting rod is loaded at convex shoulder, and mobile jib lower end is connected with sliding sleeve, Bar top is plugged in sliding sleeve, and bar upper end is loaded on the fixture nut of limit, and bar lower end connects marking pen, bar through self-tightening drill jig Middle part is cased with spring, and spring upper end offsets with sliding sleeve, and lower spring end offsets with self-tightening drill jig；The ground installation includes and note Number corresponding mark plate of pen, fixed plate, mark plate is through spring hinge inclination loaded in fixed plate.Between mark plate and fixed plate Angle is less than 90 °.

The convex shoulder is rectangular shoulder, and there is threaded hole at rectangular shoulder center, is used cooperatively with the lock-screw；The master There is mounting hole in one end that bar is connect with sliding sleeve.

There is external screw thread in described bar one end, is used cooperatively with the fixture nut；The cooperation of bar small―gap suture is plugged in sliding sleeve, bar Other end interference fit is installed in self-tightening drill jig.

Graduation mark is indicated on the mark plate.

The mounting rod is two or more.

Two licence plates that the pilot hole of described mounting rod one end is fixed on passenger car non-collision to be detected side through screw are installed Hole；Ground installation is fixed on ground, is located in front of deformable obstacle, and in passenger car non-collision to be detected side, corresponds to note Number pen；Passenger car to be detected is placed on track, and vehicle body central plane is overlapped with track centerline, and haulage cable is mounted in track In the slot of centerline, haulage cable one end is connect with detection passenger car, and the haulage cable other end is connected to motor, motor Haulage cable is driven to pull vehicle forward.

The measurement method of the utility model, comprising the following steps:

1), install car-mounted device, fixed bottom boundary device: car-mounted device includes mobile jib, and there are guide groove, guide groove in the mobile jib upper end There are pilot hole in middle connection mounting rod, mounting rod one end, and the mounting rod other end has convex shoulder, for connecting the locking of mobile jib and mounting rod Screw is loaded at convex shoulder, and mobile jib lower end is connected with sliding sleeve, and bar top is plugged in sliding sleeve, and bar upper end is loaded on the fixation spiral shell of limit Mother, bar lower end connect marking pen through self-tightening drill jig, are cased with spring in the middle part of bar, and spring upper end offsets with sliding sleeve, lower spring end and Self-tightening drill jig offsets, and marking pen clamping is installed in self-tightening drill jig；The ground installation includes corresponding with marking pen Mark plate, fixed plate, mark plate is through spring hinge inclination loaded in fixed plate；The pilot hole of mounting rod one end is fixed on through screw Two licence plate mounting holes of passenger car non-collision to be detected side；Ground installation is fixed on ground, is located in front of deformable obstacle, And in passenger car non-collision to be detected side, correspond to marking pen；The height for adjusting mobile jib, guarantees that passenger car to be detected is drawn Marking pen tip does not contact to earth during travelling forward, while being not higher than mark plate；

2) theoretical mark line, is marked on mark plate: passenger car to be detected being placed on track ground, vehicle body is made Central plane is overlapped with traction track groove center plane, measures passenger car non-collision to be detected side licence plate mounting hole center and vehicle body Distance between central plane, it is known that the distance between pilot hole center and other end threaded hole center of mounting rod one end, according to Reason of the mark line relative to traction track groove center plane when two above distance parameter calculates passenger car to be detected without offset It by distance, and marks on mark plate, forms theoretical mark line；When vehicle body central plane and traction track groove center plane weight It closes, distance=marking pen tip of theoretical mark line position to traction track groove center plane to passenger car central plane to be detected Distance, but since measurement pen tip is inconvenient to the distance between passenger car central plane to be detected, be converted into measuring board indirectly Distance+mounting rod one end pilot hole center and other end threaded hole according to mounting hole center to passenger car central plane to be detected The distance between center.

3), tested: motor drives the rope traction passenger car to be detected being located in traction track slot to move ahead and carries out Impact test, moment marking pen draws mark line physical location line on mark plate before colliding, read mark line physical location with The offset of deviation theory track when distance is passenger car to be detected collision between theoretical mark line.

Car-mounted device is fixed relative to vehicle location, and ground installation is fixed relative to ground location, when collision, car-mounted device Leave marks line on ground installation, by reading the mark line physical location and theoretical position (mark line position when no offset) Distance, the numerical value of collision offset can be obtained.

Compared with the conventional method, the utility model can easily and accurately measure collision offset parameter.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the main view of Fig. 1.

Fig. 3 is the top view of Fig. 1.

Fig. 4 is the utility model ground installation schematic diagram.

Fig. 5 is the utility model car-mounted device schematic diagram.

Fig. 6 is the utility model mobile jib and mounting rod connection schematic diagram.

Fig. 7 is the utility model sliding sleeve and clamping device schematic diagram.

Fig. 8 is the utility model mounting rod schematic diagram.

Fig. 9 is the utility model mounting rod and vehicle connection schematic diagram.

In figure: 1, car-mounted device, 2, ground installation, 3, passenger car to be detected, 4, deformable obstacle, 5, rigid wall, 6, lead Draw track groove, 7, mark plate, 8, spring hinge, 9, fixed plate, 10, mounting rod, 11, mobile jib, 12, lock-screw, 13, fixed spiral shell Mother, 14, sliding sleeve, 15, spring, 16, bar, 17, self-tightening drill jig, 18, marking pen, 19, threaded hole, 20, licence plate mounting hole.

Specific embodiment

Presently in connection with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described, this attached drawing For simplified schematic diagram, only illustrate the basic principle and apparatus structure of the utility model in a schematic way.

According to Fig. 1, the utility model is made of car-mounted device 1 and ground installation 2, and car-mounted device 1 is fixed on to be checked 3 non-collision side of passenger car is surveyed, relative to stationary vehicle, ground installation 2 is fixed on ground, is located at non-collision side, corresponds to vehicle It carries and sets 1；Passenger car 3 to be detected travels forward under the traction of the wirerope in traction track slot 6, sends out with deformable obstacle 4 Raw collision, instantaneous car-mounted device 1 leaves marks line on ground installation 2 before colliding, and reads mark line physical location and theoretical position Distance is offset between setting.

According to Fig.2, deformable obstacle 4 is mounted on rigid wall 5, and passenger car 3 to be detected is located on track ground, ground Face device 2 is installed on deformable 4 front of obstacle.

According to Fig.3, before test, the central plane of passenger car 3 to be detected requires the central plane with traction track slot 6 It is overlapped.

According to Fig.4, ground installation 2 connects mark plate 7 by spring hinge 8 and fixed plate 9 forms.Fixed plate 9 is installed In on track ground, guarantee collides previous instantaneous marking pen 18 and can cross on mark plate 7, and graduation mark is indicated on mark plate 7 just In reading mark line position, the effect of spring hinge 8 is that yielding can be followed when mark plate 7 is squeezed by marking pen 18, keeps away Exempt to damage device.

According to Fig.5, car-mounted device 1 includes mobile jib 11, and mobile jib 11 is the fundamental parts of car-mounted device 1, in one end It is machined with guide groove, two mounting rods 10 are connected in guide groove, it is cylindrical hole that, which there is pilot hole in 10 one end of mounting rod, and the other end has rectangle convex Shoulder, there is threaded hole 19 at rectangular shoulder center on mounting rod 10, is used cooperatively with lock-screw 12, two mounting rods 10 by its from Body rectangular shoulder structure and guide groove small―gap suture cooperate, and lock-screw 12 connects mobile jib 11 and mounting rod 10, the other end of mobile jib 11 Sliding sleeve 14 is installed, clamping device is housed in sliding sleeve 14, spring 15 is coaxially installed on clamping device and is limited by fixture nut 13 In sliding sleeve 14, marking pen 18 is fixed by clamping device.Clamping device is that self-tightening drill jig 17 assembles with bar 16, bar 16 For cylindrical bar, there is screw thread compatible with fixture nut 13 in 16 upper end of bar, and lower end is fixed in self-tightening drill jig 17.

According to Fig.6, lock-screw 12 is for fixing relative position between mobile jib 11 and mounting rod 10.

According to Fig.7,16 small―gap suture of bar cooperation is plugged in sliding sleeve 14, and 16 one end of bar is threaded, with fixed spiral shell Mother 13 is used cooperatively, and the other end and self-tightening drill jig 17 are connected, and 15 coaxial package of spring is on bar 16, and bar 16 is by fixture nut 13 It is limited in sliding sleeve 14, effect can be made a concession along sliding sleeve 14 when guaranteeing marking pen 18 by mark 7 reaction force of plate, marking pen 18 are clipped in self-tightening drill jig 17.

According to Fig.8,10 one end of mounting rod is machined with cylindrical hole, and the other end is machined with rectangular shoulder, in rectangular shoulder Heart position is threaded hole 19, is used cooperatively with lock-screw 12.

According to Fig. 9, car-mounted device 1 is installed on 20 position of licence plate mounting hole before passenger car 3 to be detected, selects non-collision Two licence plate mounting holes 20 of side vertical direction.

The implementation process of experimental test is as follows:

1. fixed bottom boundary device 2, guarantee before collision that marking pen 18 can leave marks line on mark plate 7 in a flash.

2. unscrewing lock-screw 12, two mounting rods 10 are installed at licence plate mounting hole 20.

3. adjusting height of the mobile jib 11 in vertical direction, guarantee marking pen 18 in distraction procedure of passenger car 3 to be detected Pen tip does not contact to earth, while being not higher than mark plate 7, screws lock-screw 12.

4. passenger car 3 to be detected is placed on track ground, make vehicle body central plane and 6 central plane weight of traction track slot It closes, measures distance between 3 non-collision side licence plate mounting hole of passenger car, 20 center to be detected and vehicle body central plane, it is known that mounting rod The distance between cylindrical hole center and 19 center of other end threaded hole of 10 one end, according to two above distance parameter calculate to Theoretical position of the mark line relative to 6 central plane of traction track slot when detecting passenger car 3 without offset, and mark in mark plate 7 On.

5. carrying out impact test, it is to deviate that distance between mark line physical location line and theoretical position line is read after test Measure result.

Claims (6)

1. a kind of passenger car Frontal offset impact test offset measuring device, it is characterised in that: including car-mounted device (1) and ground Face device (2)；The car-mounted device (1) includes mobile jib (11), and there is guide groove in mobile jib (11) upper end, connects mounting rod in guide groove (10), there is pilot hole in mounting rod (10) one end, and mounting rod (10) other end has convex shoulder, for connecting mobile jib (11) and mounting rod (10) lock-screw (12) is loaded at convex shoulder, and mobile jib (11) lower end is connected with sliding sleeve (14), and bar (16) top is plugged in sliding sleeve (14) in, bar (16) upper end is loaded on the fixture nut (13) of limit, and bar (16) lower end connects mark through self-tightening drill jig (17) Pen (18), bar (16) middle part are cased with spring (15), and spring (15) upper end offsets with sliding sleeve (14), and spring (15) lower end and self-tightening bore Head folder (17) offsets；

The ground installation (2) includes mark plate (7) corresponding with marking pen (18), fixed plate (9), and mark plate (7) is through bullet Spring hinge (8) inclination is loaded on fixed plate (9).

2. passenger car Frontal offset impact test offset measuring device according to claim 1, it is characterised in that: described Convex shoulder is rectangular shoulder, and rectangular shoulder center has threaded hole (19), is used cooperatively with the lock-screw (12)；The mobile jib (11) there is mounting hole in the one end connecting with sliding sleeve (14).

3. passenger car Frontal offset impact test offset measuring device according to claim 1, it is characterised in that: described There is external screw thread in bar (16) one end, is used cooperatively with the fixture nut (13)；The cooperation of bar (16) small―gap suture is plugged in sliding sleeve (14) In, bar (16) other end interference fit is installed in self-tightening drill jig (17).

4. passenger car Frontal offset impact test offset measuring device according to claim 1, it is characterised in that: described Mark plate indicates graduation mark on (7).

5. passenger car Frontal offset impact test offset measuring device according to claim 1, it is characterised in that: described Mounting rod (10) is two or more.

6. passenger car Frontal offset impact test offset measuring device according to claim 1, it is characterised in that: described The pilot hole of mounting rod (10) one end is fixed on two licence plate mounting holes of passenger car to be detected (3) non-collision side through screw (20)；Ground installation (2) is fixed on ground, is located in front of deformable obstacle (4), and in passenger car to be detected (3) non-collision Side corresponds to marking pen (18).