CN201859048U

CN201859048U - Impact tester

Info

Publication number: CN201859048U
Application number: CN2010205826956U
Authority: CN
Inventors: 王国建; 王四明; 云天; 袭震宇
Original assignee: Yanfeng KSS Shanghai Automotive Safety Systems Co Ltd
Current assignee: Yanfeng KSS Shanghai Automotive Safety Systems Co Ltd
Priority date: 2010-10-28
Filing date: 2010-10-28
Publication date: 2011-06-08
Anticipated expiration: 2020-10-28

Abstract

The utility model relates to the technical field of machinery, in particular to an impact tester. The impact tester comprises a stand, a drawing and lifting device, a rotating and swinging device, a separating device and a self-centering angle meter, the stand adopts a frame shape, the drawing and lifting device is arranged at the left end of the stand, the rotating and swinging device is arranged at the right end of the stand, the drawing and lifting device adopts a winch connected with the lower end of the rotating and swinging device through a steel wire, and the self-centering angle meter and the separating device are arranged on the rotating and swinging device. Compared with the prior art, the impact tester has the advantages of simple structure, scientific and reasonable design, effective improvement on the testing efficiency, high testing precision, and reduced labor intensity and labor cost.

Description

Impact testing machine

[technical field]

The utility model relates to field of mechanical technique, specifically a kind of impact testing machine.

[background technology]

Raising along with safety specifications, various safe simulation experiment methods arise at the historic moment, test method with vehicle steering simulation human impact is an example, be exactly that sandbag impacts, the requirement of sandbag is heavy 80kg, its diameter is 254mm, length is 600mm, and sandbag is suspended on a pivot, makes that sandbag centre distance pivot point is 2413mm, during test sandbag kicked up 65 the degree, snap-out release is with 6 wheel rim positions of crash direction dish then, and bearing circle need be installed in earlier on the stationary shaft, stationary shaft and ground angle 30 degree, bearing circle lower end and ground minor increment are 305mm, and the impulsive force that sandbag impacts is 110kgf-m.

Original brief test machine: 80 kilograms of sandbags are hung in " herringbone " portal frame by steel wire; During test, holding up " herringbone " frame by two people, two people praise sandbag and discharge sandbag to height, and sandbag is done around a circular motion, and its radius of circle definite value is impacted the bearing circle that fixed angle is installed.Because the testing machine during test is to hold up " herringbone " portal frame, sandbag height also to lean on praising of people by the people, manually-operated is too many, and there are the following problems for it: 1, highly do not reach standard-required, test accuracy is low; 2, test repeatability is low; 3, labour intensity height; 4, potential safety hazard is arranged.

[utility model content]

The purpose of this utility model is the not high and high deficiency of labour intensity of test accuracy that overcomes existing testing machine, a kind of science simple in structure, reasonable in design is provided, can improves test accuracy, reduces labour intensity, has saved the impact testing machine that is used for various impulse tests of cost of labor.

For achieving the above object, design a kind of impact testing machine, it is characterized in that: comprise frame, traction elevation device, rotary swing device, release unit, self centering inclinometer, frame adopts shaped as frame, the frame left end is provided with the traction elevation device, the frame right-hand member is provided with rotary swing device, and the traction elevation device adopts the windlass steel wire to connect the lower end of rotary swing device, and rotary swing device is provided with self centering inclinometer and release unit.

The described traction elevation device outside is provided with protective cover.

The frame top framework is provided with guard rail, and the forward and backward both sides of frame Lower Half are provided with guard rail.

Described traction elevation device, for fixing a windlass at the nearly medium position in frame left side, the frame left side top adopts base to fix a circle wheel, and the band steel wire trough is arranged with the windlass steel wire in the middle of the circle wheel on the windlass, and windlass steel wire one end is walked around steel wire trough.

Described rotary swing device, for connect davit, rammer arrangement for adjusting height, wire rope group, rammer successively below the frame top right-hand member, rammer is provided with band outward, and band is provided with the unhook annulus; The nearly right-hand member of frame top adopts bearing seat to connect a rotation major axis, an end of socket swing arm on the rotation major axis, swing arm bottom left surface is provided with windlass steel wire web member, release unit is established in the nearly bottom of swing arm, described release unit is that the hanger plate with the end that breaks off relations adopts positioning sleeving shaft to be connected in the swing arm, the bending of the unhook other end takes off the structure handle and connects unhook rope one end, and the unhook rope other end is fixed on the frame left part; Described unhook articulates the unhook annulus.

The angle scale straight flange of self centering inclinometer is fixed in the swing arm of the nearly below of breaking off relations in the rotary swing device.

Frame upper end corresponding to the travel path place of swing arm is hung with travel switch.

Frame adopts base plate to be fixed on the ground.

Described rammer arrangement for adjusting height is to adopt the flower basket bolt bottom to connect the U-shaped chuck.

Also be provided with high-speed camera on the frame.

The utility model is compared with prior art, and frame is connected with ground, so test the time does not need the people holding up, has saved cost of labor; Rammer is praised dragging of electric windlass of employing and is realized, has alleviated labour intensity; Rammer arrangement for adjusting height and self centering inclinometer and rammer release unit have guaranteed the accuracy requirement of angle and length dimension in the experimental technique, thereby guarantee the consistance of revision test; Adopt the security of protective cover, guard rail, travel switch, guard rail warranty test; In sum, the utility model mechanism is simple, design science reasonable, can effectively improve the benefit of test, and the test accuracy height reduces labour intensity, saves labour turnover.

[description of drawings]

Fig. 1 is the assembly figure among the utility model embodiment.

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

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

Fig. 4 be among Fig. 2 Z-Z to shown in the release unit synoptic diagram.

Fig. 5 be among Fig. 2 M to shown in self centering inclinometer structural representation.

Fig. 6 is a self centering inclinometer synoptic diagram aprowl in the utility model.

Referring to Fig. 1～Fig. 6,1 is base plate; 2 is frame; 3 is guard rail; 4 is windlass; 5 are the unhook rope; 6 is protective cover; 7 is the windlass steel wire; 8 are the circle wheel; 9 is travel switch; 10 are swing arm; 11 is davit; 12 is the steel wire assembly; 13 is rammer; 14 is band; 15 are the rotation major axis; 16 is bearing seat; 17 is guard rail; 18 are the unhook annulus; 19 for breaking off relations; 20 is the self centering inclinometer; 21 is angle scale; 22 is ruler; 23 is windlass steel wire web member.

[embodiment]

Now in conjunction with the accompanying drawings, the utility model is further described, but do not limit protection domain of the present utility model below.

Referring to accompanying drawing 1-5, the utility model comprises frame, has the traction elevation device of transition centering device, the rotary swing device that has release unit, rammer arrangement for adjusting height, self centering inclinometer, safety device, wherein,

One, frame 2, by specification be the section bar square tube of 60mm * 60mm * 6mm by pincers, welding processing forms, and can be set to the rectangular parallelepiped frame shape, by being connected and fixed with four framework soleplates 1 and swell fixture and ground;

Two, traction elevation device, be the fixing DJB250 electric windlass 4 of nearly medium position in frame left side, the frame left side top adopts base to fix a circle wheel 8, be arranged with windlass steel wire 7 on the windlass 4, one end of windlass steel wire 7 is walked around circle wheel 8 backs and is connected the set windlass steel wire web member 23 of swing arm 10 bottom left surfaces in the rotary swing device, thereby drives raising of rammer;

Be provided with the setting of transition in fixed in the above-mentioned traction elevation device, promptly in the middle of circle wheel 8, establish steel wire trough, make windlass 4 overcome the steel wire move left and right at work and influence the shortcoming of rammer straight line rotation;

Three, rotary swing device, swinging arm device, release unit, rammer device that the mainly swing arm 10 of being made by the section bar square tube, bearing seat 16 and rotation major axis 15 are formed are formed,

Its swinging arm device mainly is the nearly right-hand member employing bearing seat 16 connections one rotation major axis 15 at frame top, an end of socket swing arm 10 on the rotation major axis 15, and swing arm 10 bottom left surfaces are provided with windlass steel wire web member 23; It is BGHFS-C-6202ZZ that described bearing seat adopts model, its basic load rating/KN: dynamic 19.5; Static state 2.38, centre-height 50; Described rotation major axis is Φ 30mm;

Its release unit is installed in the position of the nearly bottom of swing arm 10, described release unit is mainly realized by the unhook 19 of activity, one end of this unhook is that bending takes off the structure handle for the hanger plate other end, release unit is to adopt positioning sleeving shaft to be connected in the swing arm 10 19 the hanger plate of breaking off relations, the bending of 19 other ends of breaking off relations takes off the end that the structure handle connects unhook rope 5, and the other end of unhook rope 5 is fixed on the left part of frame 2;

Its rammer device mainly be below the frame top right-hand member, connect successively davit 11, rammer arrangement for adjusting height,

Wire rope group 12, this example in rammer 13 to adopt weight be 80 kilograms sandbag, rammer 13 is outer to be provided with band 14, band 14 is provided with unhook annulus 18;

Unhook annulus 18 backs that unhook on the above-mentioned release unit 19 is articulated in the rammer device form whole rotary swing device;

Four, described rammer arrangement for adjusting height comprises that U-shaped chuck, flower basket bolt are that gaily decorated basket regulator is formed, and davit connects gaily decorated basket regulator, U-shaped chuck, wire rope group 12, rammer 13 for 11 times successively.

Five, the self centering inclinometer 20, its angle scale 21 is fixed in the swing arm 10 of nearly unhook 19 belows, self centering inclinometer employing model is 62480 bevel protractor in this example, the indication angle is quick, along with rotating around initial point of swing arm 10, the ruler 22 in the self centering inclinometer is the orientation angle value under the effect of center of gravity power.

Six, safety device comprises protective cover 6, guard rail 3, travel switch 9, guard rail 17.

Protective cover 6 is installed on the upper position of frame left surface, envelopes the windlass steel wire 7 of windlass 4 and left part, and steel wire is hurted sb.'s feelings when preventing the windlass rotation;

Guard rail 3 is installed on the both sides, front and back of frame Lower Half, and the personnel of preventing are strayed into injured;

Guard rail 17 is installed on the frame top framework, prevents from that steel wire from breaking to throw away to hurt sb.'s feelings.

Travel switch 9 adopts the roller type travel switch, is hung on the travel path place of the corresponding swing arm 10 in frame 2 upper ends, prevent from that windlass 4 gauge tap are malfunctioning to cause the swing arm 10 rotation excess of stroke, and the casualty accident of the steel wire that breaks.

Also can be provided with high-speed camera on the frame of the present utility model, record exemplar destructive process and collapse state during with test.

During test, the exemplar bearing circle is installed on the tubing string frock of 30 degree angles, the tubing string frock is fixed on the rigid platfor on this impact testing machine right side, and rammer is perpendicular to the position of surface level;

By the coarse adjustment requirement of the realization of the U-shaped chuck in rammer arrangement for adjusting height rammer height, come the height of accurate adjustment rammer by the gaily decorated basket regulator in the rammer arrangement for adjusting height;

In the impact testing machine forward position high-speed camera is installed, record exemplar destructive process and collapse state;

The band 14 that has unhook annulus 18 is installed on rammer, is hooked unhook annulus 18 with unhook 19; Press the rising button of windlass 4, the 7 pull-up swing arms 10 of windlass steel wire break off relations 19 by unhook annulus 18, and band 14 drives rammer 13 and rotates to the angle that experimental technique requires, and this angle can be regulated definite by the angle value of self centering inclinometer 20;

Spur unhook rope 5 after pressing the video camera button, to break off relations 19 bending of unhook rope 5 takes off the structure handle to pressing down, the hanger plate end that makes unhook is that the axle center rotates with the locating sleeve, thereby break off relations and 19 separate with unhook annulus 18, rammer 13 is made circular motion around rotation major axis 15 and is impacted right-hand exemplar bearing circle, finishes test.

Claims

1. impact testing machine, it is characterized in that: comprise frame, traction elevation device, rotary swing device, release unit, self centering inclinometer, frame (2) adopts shaped as frame, frame (2) left end is provided with the traction elevation device, the frame right-hand member is provided with rotary swing device, the traction elevation device adopts windlass steel wire (7) to connect the lower end of rotary swing device, and rotary swing device is provided with self centering inclinometer and release unit.

2. a kind of impact testing machine as claimed in claim 1 is characterized in that: the described traction elevation device outside is provided with protective cover (6).

3. a kind of impact testing machine as claimed in claim 1 is characterized in that: the frame top framework is provided with guard rail (17), and the forward and backward both sides of frame Lower Half are provided with guard rail (13).

4. a kind of impact testing machine as claimed in claim 1 or 2, it is characterized in that: described traction elevation device, for fixing a windlass (4) at the nearly medium position in frame left side, the frame left side top adopts base to fix a circle wheel (8), band steel wire trough in the middle of the circle wheel, be arranged with the windlass steel wire on the windlass, windlass steel wire one end is walked around steel wire trough.

5. a kind of impact testing machine as claimed in claim 1, it is characterized in that: described rotary swing device, for below the frame top right-hand member, connecting davit (11), rammer arrangement for adjusting height, wire rope group (12), rammer (13) successively, rammer (13) is outer to be provided with band (14), and band (14) is provided with unhook annulus (18); The nearly right-hand member of frame top adopts bearing seat (16) to connect a rotation major axis (15), rotation major axis (15) is gone up an end of socket swing arm (10), swing arm (10) bottom left surface is provided with windlass steel wire web member (23), release unit is established in the nearly bottom of swing arm (10), described release unit is that the hanger plate with (19) one ends that break off relations adopts positioning sleeving shaft to be connected in the swing arm (10), the bending of unhook (19) other end takes off the structure handle and connects unhook rope (5) one ends, and unhook rope (5) other end is fixed on frame (2) left part; Described unhook (19) articulates unhook annulus (18).

6. a kind of impact testing machine as claimed in claim 1 is characterized in that: the angle scale straight flange of self centering inclinometer (20) is fixed in the swing arm (10) of nearly unhook (19) below in the rotary swing device.

7. a kind of impact testing machine as claimed in claim 1 is characterized in that: frame (2) upper end corresponding to the travel path place of swing arm (10) is hung with travel switch (9).

8. a kind of impact testing machine as claimed in claim 1 is characterized in that: frame (2) adopts base plate (1) to be fixed on the ground.

9. a kind of impact testing machine as claimed in claim 5 is characterized in that: described rammer arrangement for adjusting height is to adopt the flower basket bolt bottom to connect the U-shaped chuck.

10. a kind of impact testing machine as claimed in claim 1 is characterized in that: also be provided with high-speed camera on the frame.