CN207717336U - Suspend the longitudinal tired bench test device of high temperature - Google Patents

Suspend the longitudinal tired bench test device of high temperature Download PDF

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Publication number
CN207717336U
CN207717336U CN201721690804.4U CN201721690804U CN207717336U CN 207717336 U CN207717336 U CN 207717336U CN 201721690804 U CN201721690804 U CN 201721690804U CN 207717336 U CN207717336 U CN 207717336U
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China
Prior art keywords
longitudinal
suspension
load
fixed
temperature
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CN201721690804.4U
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Chinese (zh)
Inventor
蔡庆住
刘臻
张博
姚烈
顾宇庆
王磊
韩愈琪
陈文倩
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SAIC Motor Corp Ltd
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SAIC Motor Corp Ltd
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Abstract

The utility model discloses a kind of longitudinal tired bench test device of suspension high temperature, includes with the fixed stationary fixture in one end of suspension and the fixed action clips of the other end of suspension, longitudinal load maintainer for applying longitudinal loading to suspension, for the Plumb load mechanism and high-temperature cabinet to suspension application vertical load;Stationary fixture, action clips and suspension are placed in the high-temperature cabinet, and stationary fixture is fixed on the interior bottom of high-temperature cabinet, and longitudinal load maintainer is connected with action clips, and Plumb load mechanism is connected with action clips.Longitudinal load uses electro-hydraulic servo control hydraulic cylinder, carries force snesor, and the active force on Real-time Feedback hydraulic cylinder can realize longitudinal load, can preferably simulate the actual loading conditions of suspension.Plumb load utilizes the axial self-locking characteristic of leading screw and nut mechanism, ensures the precision of Plumb load.Leading screw and nut mechanism is equipped with force snesor, is capable of the size of real-time display loading force, and the power assembly that simulation suspension is actually subject to is from heavy load.

Description

Suspend the longitudinal tired bench test device of high temperature
Technical field
The utility model is related to test-bed development fields, more particularly to a kind of longitudinal tired bench test of suspension high temperature Device.
Background technology
Passenger car power assembly is fixed on vehicle frame or vehicle body by elastic bearing suspension, and performance directly affects whole Ride comfort, reliability in vehicle driving process and noise qualities, so the design of suspension system is more and more paid attention to.
In traditional suspension longitudinal direction fatique testing at elevated temperature, using two orthogonal arrangements hydraulic cylinder simultaneously to suspend into Row load is longitudinally loaded as periodical alternating load, and vertical is permanent load.Its shortcoming is that the load of vertical permanent load by Hydraulic pressure influence of fluctuations is larger, and two hydraulic cylinders act on that there are certain couplings simultaneously, it is more difficult to ensure that start head is made directly along longitudinal direction Line moves.In addition, in traditional suspension longitudinal direction fatique testing at elevated temperature, heating device will entirely be tested suspension package using thermal isolation film Subject suspension is heated in heat gun wherein, is used in combination.A thermal isolation film totally sealed environment relatively difficult to achieve, cannot exclude outside Interference of the environment temperature to heating environment, temperature control is unstable, and simulation effect is poor, eventually leads to the failures such as rubber parts cracking Pattern and complete vehicle test Comparative result consistency are poor, can not preferably simulate suspension practical operation situation in automobiles.
Utility model content
The utility model is in view of the problems of the existing technology and insufficient, provides a kind of longitudinal tired rack examination of suspension high temperature Experiment device.
The utility model is to solve above-mentioned technical problem by following technical proposals:
The utility model provides a kind of suspension high temperature longitudinal tired bench test device, and feature is comprising with hang The mutually fixed stationary fixture in one end set, with the mutually fixed action clips of the other end of the suspension, it is vertical for applying to the suspension Longitudinal load maintainer to load, Plumb load mechanism and high-temperature cabinet for applying vertical load to the suspension;
The stationary fixture, the action clips and the suspension are placed in the high-temperature cabinet, which is fixed on the high temperature The interior bottom of case, the longitudinal direction load maintainer are connected with the action clips, which is connected with the action clips.
Preferably, the longitudinal direction load maintainer includes hydraulic actuation cylinder, column, the linear guide and longitudinal load bar, the straight line Guide rail is fixed on the column, which connect with the linear guide slide fit, which longitudinally loads with this One end of bar connects, and the other end of the longitudinal direction load bar is connected with the action clips.
Preferably, the Plumb load mechanism include firm banking, L-type fixed block, force snesor, lead screw, nut, it is vertical plus Carry bar, longitudinal movement guide rail, longitudinal rail fixed block, built-in fixed seat and catenary motion guide rail;
The L-type fixed block is fixed at the top of the firm banking, the lead screw for being arranged with the nut wears the L-type and fixes Block is arranged with the force snesor on the lead screw, which connect with one end of the Plumb load bar, the Plumb load bar The other end is connected with the longitudinal rail fixed block, and the longitudinal movement guide rail, the longitudinal direction are fixed on the longitudinal rail fixed block Guide rail fixed block is clamped by the longitudinal movement guide rail and the action clips slide fit, which is fixed on the high-temperature cabinet Interior bottom portion is fixed with the catenary motion guide rail at the top of the built-in fixed seat, which is led by the catenary motion Rail is connect with the longitudinal rail fixed block slide fit.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can arbitrarily combine to get the utility model respectively compared with Good example.
The positive effect of the utility model is:
Longitudinal load uses electro-hydraulic servo control hydraulic cylinder, can carry force snesor, the effect on Real-time Feedback hydraulic cylinder Power can realize that longitudinal periodicity alternating load loads, or simulate the spectrum loading load of vehicle road by iterative technique, can be compared with The actual loading conditions of good simulation suspension.
Plumb load utilizes the axial self-locking characteristic of leading screw and nut mechanism, ensures the precision of Plumb load, such as 2 institute of attached drawing Show.Leading screw and nut mechanism is equipped with force snesor, is capable of the size of real-time display loading force, and the power that simulation suspension is actually subject to is total At from heavy load.
Longitudinal movement guide rail and catenary motion guide rail constitute decoupling mechanism, during guarantee test it is longitudinal and it is vertical being capable of phase Mutual self-movement excludes longitudinal influence generated to vertical permanent load during straight reciprocating motion, to realize longitudinal direction With vertical decoupling.Meanwhile the decoupling mechanism undertakes supporting role in the vertical direction, excludes action clips dead weight to suspension It influences, ensures the consistency of suspension stress and actual conditions.
A whole set of experimental rig is placed in high-temperature cabinet, is realized that subject suspension is isolated from the outside, is eliminated ambient temperature pair The influence of heating environment.Meanwhile the high-temperature cabinet uses thermal convection current technology, ensures the stability and one of entire closed the temperature inside the box Cause property preferably simulates the temperature environment in engine cabin.
Developed bench test device has the advantages that simple in structure, loading accuracy height, easy to maintain.
Description of the drawings
Fig. 1 is the structural schematic diagram of the longitudinal tired bench test device of suspension high temperature of the utility model preferred embodiment.
Fig. 2 is the structural schematic diagram of the Plumb load mechanism of the utility model preferred embodiment.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work all belong to In the range of the utility model protection.
As shown in Figure 1, the present embodiment provides a kind of longitudinal tired bench test devices of suspension high temperature comprising with suspension 1 The mutually fixed stationary fixture 2 in one end, with the mutually fixed action clips 3 of the other end of the suspension 1, for the suspension 1 apply Longitudinal load maintainer of longitudinal loading, Plumb load mechanism and high-temperature cabinet 4 for applying vertical load to the suspension 1.This is solid Clamp tool 2, the action clips 3 and the suspension 1 are placed in the high-temperature cabinet 4, which is fixed on the interior of the high-temperature cabinet 4 Bottom, the longitudinal direction load maintainer are connected with the action clips 3, which is connected with the action clips 3.
Specifically, which includes hydraulic actuation cylinder 5, column 6, the linear guide 7 and longitudinal load bar 8, is somebody's turn to do The linear guide 7 is fixed on the column 6, which connect with 7 slide fit of the linear guide, the hydraulic actuation cylinder 5 with should One end of longitudinal load bar 8 connects, and the other end of the longitudinal direction load bar 8 is connected with the action clips 3.
As shown in Fig. 2, the Plumb load mechanism include firm banking 9, L-type fixed block 10, force snesor 11, lead screw 12, Nut 13, Plumb load bar 14, longitudinal movement guide rail 15, longitudinal rail fixed block 16, built-in fixed seat 17 and catenary motion are led Rail 18.
The top of the firm banking 9 is fixed with the L-type fixed block 10, and the lead screw 12 for being arranged with the nut 13 wears the L Type fixed block 10 is arranged with the force snesor 11 on the lead screw 12, and one end of the force snesor 11 and the Plumb load bar 14 connects It connects, the other end of the Plumb load bar 14 is connected with the longitudinal rail fixed block 16, fixed on the longitudinal rail fixed block 16 There is the longitudinal movement guide rail 15, which passes through the longitudinal movement guide rail 15 and the 3 slide fit card of action clips It connects, which is fixed on the interior bottom portion of the high-temperature cabinet 4, and the top of the built-in fixed seat 17 is fixed with the vertical fortune Dynamic guide rail 18, the built-in fixed seat 17 are connect by the catenary motion guide rail 18 with 16 slide fit of longitudinal rail fixed block.
In developed bench test device, longitudinal load is realized using hydraulic cylinder, and vertical permanent load load uses lead screw Nut body is realized.Increase decoupling mechanism, ensures that longitudinal direction does not have an impact vertical permanent load during linear reciprocation.It is whole Set pilot system is placed in high-temperature cabinet, which uses thermal convection current technology, ensures the stability of entire closed the temperature inside the box And consistency, preferably simulate the temperature environment in engine cabin.Developed bench test device has simple in structure, load Precision is high, it is easy to maintain the advantages that.Test result and vehicle consistency are preferable.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that These are merely examples, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art Member can make these embodiments numerous variations or repair under the premise of without departing substantially from the principles of the present invention and essence Change, but these change and modification each fall within the scope of protection of the utility model.

Claims (3)

1. a kind of longitudinal tired bench test device of suspension high temperature, which is characterized in that it includes mutually fixed with one end of suspension Stationary fixture is loaded with the mutually fixed action clips of the other end of the suspension, for applying the longitudinal of longitudinal loading to the suspension Mechanism, Plumb load mechanism and high-temperature cabinet for applying vertical load to the suspension;
The stationary fixture, the action clips and the suspension are placed in the high-temperature cabinet, which is fixed on the high-temperature cabinet Interior bottom, the longitudinal direction load maintainer are connected with the action clips, which is connected with the action clips.
2. the longitudinal tired bench test device of suspension high temperature as described in claim 1, which is characterized in that the longitudinal direction load maintainer It is fixed on the column including hydraulic actuation cylinder, column, the linear guide and longitudinal load bar, the linear guide, the hydraulic actuation Cylinder is connect with the linear guide slide fit, which connect with one end of the longitudinal direction load bar, the longitudinal direction load bar it is another One end is connected with the action clips.
3. the longitudinal tired bench test device of suspension high temperature as described in claim 1, which is characterized in that the Plumb load mechanism It is solid including firm banking, L-type fixed block, force snesor, lead screw, nut, Plumb load bar, longitudinal movement guide rail, longitudinal rail Determine block, built-in fixed seat and catenary motion guide rail;
The L-type fixed block is fixed at the top of the firm banking, the lead screw for being arranged with the nut wears the L-type fixed block, should The force snesor is arranged on lead screw, which connect with one end of the Plumb load bar, the Plumb load bar it is another End is connected with the longitudinal rail fixed block, and the longitudinal movement guide rail, the longitudinal rail are fixed on the longitudinal rail fixed block Fixed block is clamped by the longitudinal movement guide rail and the action clips slide fit, which is fixed on the inside of the high-temperature cabinet Bottom is fixed with the catenary motion guide rail at the top of the built-in fixed seat, the built-in fixed seat by the catenary motion guide rail with The longitudinal rail fixed block slide fit connects.
CN201721690804.4U 2017-12-07 2017-12-07 Suspend the longitudinal tired bench test device of high temperature Active CN207717336U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721690804.4U CN207717336U (en) 2017-12-07 2017-12-07 Suspend the longitudinal tired bench test device of high temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721690804.4U CN207717336U (en) 2017-12-07 2017-12-07 Suspend the longitudinal tired bench test device of high temperature

Publications (1)

Publication Number Publication Date
CN207717336U true CN207717336U (en) 2018-08-10

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CN201721690804.4U Active CN207717336U (en) 2017-12-07 2017-12-07 Suspend the longitudinal tired bench test device of high temperature

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111766052A (en) * 2020-06-24 2020-10-13 东风商用车有限公司 Engine front suspension support test device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111766052A (en) * 2020-06-24 2020-10-13 东风商用车有限公司 Engine front suspension support test device
CN111766052B (en) * 2020-06-24 2021-07-06 东风商用车有限公司 Engine front suspension support test device

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