CN206710106U - A kind of load device of steering gear noise measuring equipment - Google Patents
A kind of load device of steering gear noise measuring equipment Download PDFInfo
- Publication number
- CN206710106U CN206710106U CN201720507806.9U CN201720507806U CN206710106U CN 206710106 U CN206710106 U CN 206710106U CN 201720507806 U CN201720507806 U CN 201720507806U CN 206710106 U CN206710106 U CN 206710106U
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- rack
- oil
- piston
- oil cylinder
- load device
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Abstract
A kind of load device of steering gear noise measuring equipment is the utility model is related to, belongs to automobile steering device detection device technical field.The load device is made up of rack, housing, piston, stop collar, bushing and oil sealing；One end of housing is connected with oil cylinder, and piston is provided with by rack in oil cylinder, installs sprocket drive spindle by bearing block on described housing, oil cylinder packing is left oil pocket and right oil pocket by described piston；Oil sealing is provided between the rack and oil cylinder of described left oil pocket, stop collar, bushing and oil sealing are provided between the rack and oil cylinder of right oil pocket.The load device of the steering gear noise measuring equipment, it is simple in construction, easy to use, solve the problems, such as that the noise that existing load device has is larger, meet the needs of steering gear noise measuring.
Description
Technical field
A kind of load device of steering gear noise measuring equipment is the utility model is related to, belongs to automobile steering device detection device skill
Art field.
Background technology
Car noise is gradually attracted attention and paid attention to as the important indicator of evaluation car comfort.Vapour at present
Car can all carry out corresponding noise valuation before formal put goods on the market.Steering gear is as a key in automobile steering system
Part, the comfortableness of passenger can be directly influenced, therefore steering gear can all be carried out accordingly before dispatching from the factory to noise situation
Detection.Corresponding load device is needed during steering gear noise measuring and provides certain damping to steering gear, is turned with simulation
To stressing conditions of the device under vehicle environment.The noise result so drawn is closer to the performance under vehicle actual conditions.
The load device of existing steering gear noise measuring equipment, due to the limitation of reasons in structure, itself all has certain noise, very
The noise of steering gear in itself has been masked completely as the noise for the load device having so that experiment can not be carried out.Therefore have
Necessity researches and develops a kind of extremely low load device of noise, to meet the needs of steering gear noise measuring.
The content of the invention
The purpose of this utility model is：A kind of simple in construction, easy to use, low steering gear noise measuring of noise is provided
The load device of equipment.
The technical solution of the utility model is：
A kind of load device of steering gear noise measuring equipment, it is by rack, housing, connector, gear shaft, oil cylinder, oil
Mouth, piston, stop collar, bushing and oil sealing are formed；It is characterized in that：One end of housing is connected with oil cylinder, passes through rack in oil cylinder
Piston is installed, one end of rack extends to housing outer end, and the other end of rack extends to oil cylinder outer end；Lead on described housing
Bearing block installation sprocket drive spindle is crossed, gear shaft engages connection with rack；Oil cylinder packing is left oil pocket and right oil by described piston
Chamber；Oil sealing is provided between the rack and oil cylinder of described left oil pocket, be provided between the rack and oil cylinder of right oil pocket stop collar,
Bushing and oil sealing；Oil nozzle is respectively arranged with oil cylinder between two described oil sealings and piston；The both ends termination of described rack
It is connected to connector.
Described piston is made up of piston only and piston ring, and multiple circulation grooves are evenly equipped with the periphery of piston ring.
Adjuster is provided with described housing, described adjuster is made up of adjustment cock, extrusion spring and support base；
Mounting hole is provided with described housing, support base, the mounting hole internal thread peace of support base one end are movably installed with mounting hole
Equipped with adjustment cock, adjust and be provided with extrusion spring between cock and support base, the other end and the rack of support base are fitted and connected.
Arc groove is provided with described support base, be provided with arc groove one layer it is resistance to made of polyformaldehyde material
Grind layer；Described wearing layer is fitted and connected with rack.
O-ring seal is provided between described support base and mounting hole.
The utility model has the advantage of：
The load device of the steering gear noise measuring equipment, it is simple in construction, easy to use, employ and pass through tooth in oil cylinder
Bar is provided with the structure design of piston.When the load device works after being designed using this kind, steering gear band carry-over bar and piston move
When dynamic, hydraulic oil is only capable of passing through from the circulation groove on piston.Hydraulic oil from circulation groove by when, can produce oil resistance hinder rack
Motion, so as to reach the purpose for providing damping to steering gear.In this course because piston is more soft, hydraulic oil passes through work
During plug, piston can absorb the impact of a part, so as to produce obvious liquid stream noise.Thus solves existing load dress
The problem of noise having is larger is put, meets the needs of steering gear noise measuring.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of piston of the present utility model；
Fig. 3 is the structural representation of gear shaft of the present utility model and adjuster.
In figure：1st, rack, 2, housing, 3, connector, 4, gear shaft, 5, oil cylinder, 6, oil nozzle, 7, piston only, 8, spacing
Set, 9, bushing, 10, oil sealing, 11, left oil pocket, 12, right oil pocket, 13, circulation groove, 14, adjustment cock, 15, extrusion spring, 16, branch
Support seat, 17, arc groove, 18, O-ring seal, 19, piston ring.
Embodiment
The load device of the steering gear noise measuring equipment is by rack 1, housing 2, connector 3, gear shaft 4, oil cylinder 5, oil
Mouth 6, piston, stop collar 8, bushing 9 and oil sealing 10 are formed；One end of housing 2 is connected with oil cylinder 5, is pacified in oil cylinder 5 by rack 1
Equipped with piston.Piston is made up of piston only 7 and piston ring 19, is provided with the periphery of piston only 7 by polytetrafluoroethylene (PTFE)
Piston ring 19 made of material.Multiple circulation grooves 13 are evenly equipped with the periphery of piston ring 19, the purpose being arranged such is：With
Make hydraulic oil from circulation groove lead to 13 by when, piston ring 19 absorb a part impulsive force so that the load device will not produce
Raw obvious liquid stream noise.
One end of rack 1 extends to the outer end of housing 2, and the other end of rack 1 extends to the outer end of oil cylinder 5；The both ends end of rack 1
Head is connected to connector 3.When the load device works, the connector 3 at the both ends of rack 1 can be with the steering gear phase of experiment
Connection.
Sprocket drive spindle 4 is installed by bearing block on housing 2, gear shaft 4 engages connection with rack 1；People can pass through rotation
The shift position of the adjusting gear rack 1 of gear shaft 4, so that after the load device is run, people can make tooth by turning gear wheel shaft 4
Piston reset on bar 1.
Piston insulates oil cylinder 5 for left oil pocket 11 and right oil pocket 12；It is provided between the rack 1 and oil cylinder 5 of left oil pocket 11
Oil sealing 10, stop collar 8, bushing 9 and oil sealing 10 are provided between the rack 1 and oil cylinder 5 of right oil pocket 12；Oil sealing 10 can be by hydraulic oil
It is sealed in the inside of oil cylinder 5.Oil sealing 10 is made up of elastomeric material, so that when rack 1 and the generation relative motion of oil sealing 10, will not produce
Raw noise.
Oil nozzle 6 is respectively arranged with oil cylinder 5 between two oil sealings 10 and piston；Before load device work, Ren Menke
Hydraulic oil is filled by oil nozzle 6 respectively in oil pocket 11 and right oil pocket 12 to the left.
Adjuster is provided with housing 2, adjuster is made up of adjustment cock 14, extrusion spring 15 and support base 16；Housing 2
On be provided with mounting hole, support base 16 is movably installed with mounting hole, O-ring seal is provided between support base 16 and mounting hole
18。
The mounting hole internal thread of the one end of support base 16 is provided with adjustment cock 14, adjusts and is set between cock 14 and support base 16
Extrusion spring 15 is equipped with, the other end of support base 16 is provided with arc groove 17.The purpose for setting arc groove 17 is：With true
Rack 1 is protected to move along axis direction.
One layer of wearing layer made of polyformaldehyde material is provided with arc groove 17；Wearing layer is fitted and connected with rack 1.
The purpose for setting wearing layer is：Reduce support base 16 and rack 1 to rub caused grating, while also strengthen support base 16
With the coefficient of friction between rack 1, and then by improving the frictional force between support base 16 and rack 1, the load device is improved
Damping.
In actual use, the screw-in depth of the adjustable adjustment cock 14 of people, the elastic force of extrusion spring is adjusted, with
Reach the purpose that adjustment support base 16 extrudes the pressure of rack 1.The purpose for setting adjuster is：By adjusting cock 14
Support base 16 is compressed rack 1, engaged with to ensure rack 1 with gear shaft 4 it is even closer, so as to reduce rack 1 and gear
The noise collided in the engagement process of axle 4 between tooth and tooth.
During the load device work of the steering gear noise measuring equipment, steering gear can promote rack 1 to move by connector 3
Dynamic, the moving process of rack 1 is dynamic can be flowed by the hydraulic oil in piston press oil cylinder 5, hydraulic oil after being pressurized by circulation groove 13
It is logical, and then balance the pressure in left oil pocket 11 and right oil pocket 12.When hydraulic oil is by circulation groove 13, oil resistance can be produced and hinder rack
Motion, provide damping to steering gear so as to reach, the purpose of simulation steering gear real vehicle motion.In this course, Ren Menjian
Requirement of experiment can be met by surveying the noise of record steering gear.
The load device of the steering gear noise measuring equipment, it is simple in construction, easy to use, solve existing load device and deposit
The problem of some noises is larger, meet the needs of steering gear noise measuring.
Claims (5)
1. a kind of load device of steering gear noise measuring equipment, it is by rack（1）, housing（2）, connector（3）, gear shaft
（4）, oil cylinder（5）, oil nozzle（6）, piston, stop collar（8）, bushing（9）And oil sealing（10）Form；It is characterized in that：Housing（2）'s
One end is connected with oil cylinder（5）, oil cylinder（5）Inside pass through rack（1）Piston, rack are installed（1）One end extend to housing（2）Outside
End, rack（1）The other end extend to oil cylinder（5）Outer end；Described housing（2）It is upper that sprocket drive spindle is installed by bearing block（4）,
Gear shaft（4）With rack（1）Engagement connection；Described piston is by oil cylinder（5）Insulate as left oil pocket（11）With right oil pocket（12）；Institute
The left oil pocket stated（11）Rack（1）With oil cylinder（5）Between be provided with oil sealing（10）, right oil pocket（12）Rack（1）With oil cylinder
（5）Between be provided with stop collar（8）, bushing（9）And oil sealing（10）；Two oil sealings（10）Oil cylinder between piston（5）Upper point
Oil nozzle is not provided with it（6）；Described rack（1）Both ends termination be connected to connector（3）.
A kind of 2. load device of steering gear noise measuring equipment according to claim 1, it is characterised in that：Described work
Plug is by piston only（7）And piston ring（19）Form, piston ring（19）Periphery on be evenly equipped with multiple circulation grooves（13）.
A kind of 3. load device of steering gear noise measuring equipment according to claim 1, it is characterised in that：Described shell
Body（2）On be provided with adjuster, described adjuster is by adjustment cock（14）, extrusion spring（15）And support base（16）Form；
Described housing（2）On be provided with mounting hole, be movably installed with support base in mounting hole（16）, support base（16）The installation of one end
Hole internal thread is provided with adjustment cock（14）, adjust cock（14）With support base（16）Between be provided with extrusion spring（15）, branch
Support seat（16）The other end and rack（1）It is fitted and connected.
A kind of 4. load device of steering gear noise measuring equipment according to claim 3, it is characterised in that：Described branch
Support seat（16）On be provided with arc groove（17）, arc groove（17）On be provided with one layer it is wear-resisting made of polyformaldehyde material
Layer；Described wearing layer and rack（1）It is fitted and connected.
A kind of 5. load device of steering gear noise measuring equipment according to claim 3, it is characterised in that：Described branch
Support seat（16）O-ring seal is provided between mounting hole（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507806.9U CN206710106U (en) | 2017-05-09 | 2017-05-09 | A kind of load device of steering gear noise measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507806.9U CN206710106U (en) | 2017-05-09 | 2017-05-09 | A kind of load device of steering gear noise measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206710106U true CN206710106U (en) | 2017-12-05 |
Family
ID=60465658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720507806.9U Expired - Fee Related CN206710106U (en) | 2017-05-09 | 2017-05-09 | A kind of load device of steering gear noise measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206710106U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909991A (en) * | 2017-12-21 | 2018-04-13 | 芜湖恒隆汽车转向系统有限公司 | A kind of noise-reduction method of steering gear test noise rack mechanism loading |
| CN108087479A (en) * | 2017-12-21 | 2018-05-29 | 芜湖恒隆汽车转向系统有限公司 | A kind of oil cylinder rack mechanism for regulating tightness and its adjusting method |
| CN108105197A (en) * | 2017-12-21 | 2018-06-01 | 芜湖恒隆汽车转向系统有限公司 | A kind of steering gear noise test oil cylinder mechanism |
| CN108106865A (en) * | 2017-12-21 | 2018-06-01 | 芜湖恒隆汽车转向系统有限公司 | A kind of rack load device |
| CN108150478A (en) * | 2017-12-21 | 2018-06-12 | 芜湖恒隆汽车转向系统有限公司 | A kind of noise-reduction method of steering gear noise test oil cylinder mechanism |
| CN108168912A (en) * | 2017-12-21 | 2018-06-15 | 芜湖恒隆汽车转向系统有限公司 | A kind of low noise rack mechanism loading |
| CN108181116A (en) * | 2017-12-21 | 2018-06-19 | 芜湖恒隆汽车转向系统有限公司 | A kind of steering gear noise test rack mechanism loading |
-
2017
- 2017-05-09 CN CN201720507806.9U patent/CN206710106U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909991A (en) * | 2017-12-21 | 2018-04-13 | 芜湖恒隆汽车转向系统有限公司 | A kind of noise-reduction method of steering gear test noise rack mechanism loading |
| CN108087479A (en) * | 2017-12-21 | 2018-05-29 | 芜湖恒隆汽车转向系统有限公司 | A kind of oil cylinder rack mechanism for regulating tightness and its adjusting method |
| CN108105197A (en) * | 2017-12-21 | 2018-06-01 | 芜湖恒隆汽车转向系统有限公司 | A kind of steering gear noise test oil cylinder mechanism |
| CN108106865A (en) * | 2017-12-21 | 2018-06-01 | 芜湖恒隆汽车转向系统有限公司 | A kind of rack load device |
| CN108150478A (en) * | 2017-12-21 | 2018-06-12 | 芜湖恒隆汽车转向系统有限公司 | A kind of noise-reduction method of steering gear noise test oil cylinder mechanism |
| CN108168912A (en) * | 2017-12-21 | 2018-06-15 | 芜湖恒隆汽车转向系统有限公司 | A kind of low noise rack mechanism loading |
| CN108181116A (en) * | 2017-12-21 | 2018-06-19 | 芜湖恒隆汽车转向系统有限公司 | A kind of steering gear noise test rack mechanism loading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20210509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |