CN205404135U - Car manual brake endurance test device - Google Patents
Car manual brake endurance test device Download PDFInfo
- Publication number
- CN205404135U CN205404135U CN201620244027.XU CN201620244027U CN205404135U CN 205404135 U CN205404135 U CN 205404135U CN 201620244027 U CN201620244027 U CN 201620244027U CN 205404135 U CN205404135 U CN 205404135U
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- CN
- China
- Prior art keywords
- main shaft
- pulley yoke
- test apparatus
- durability test
- stage body
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a technical field is examined in the car experiment, and in particular to operates conveniently and the reliable car manual brake endurance test device of precision for one kind, include the stage body and install the workpiece setting frame on the stage body, first pulley yoke and second pulley yoke, the workpiece setting frame is improved level and is provided with by servo motor drive pivoted main shaft, and the tip of main shaft is equipped with the mounting disc that is used for installing the manual brake body. The utility model discloses a servo motor driving spindle rotates, the pulling of carrying that the completion was acted as go -between is done and is replied the drawing of spring and returns and contract, the free end of acting as go -between passes through the suitable load of weight loading, to acting as go -between and replying the spring and can all test, and because three support frame highly all adjustable in the whole experiment, consequently the angularly adjustable of acting as go -between, can adjust the different manual brake type of adaptation, the supplementary manual brake endurance test that accomplishes, the assurance test precision is and improve test efficiency, convenient operation, simulate actual manual brake atress process, the error is lower.
Description
Technical field
This utility model relates to automobile test cubing technical field, operates facility and the reliable automobile hand brake durability test apparatus of precision particularly to one.
Background technology
Vehicle hand brake equipment is requisite a kind of auxiliary device on automobile, the type of parking brake can be divided into machinery parking brake and electronics parking brake, the major advantage of machinery parking brake is exactly that cost is low, applying flexible, reliability is higher, electronics parking brake have the advantages that profile is succinctly attractive in appearance, easy to use, on the car of middle and high end, electronics parking brake is common configuration.Owing to cost limits from current automobile, what the automobile of major part low and middle-end was applied is still mechanical hand brake apparatus.Hand brake device is mainly made up of parts such as handle, steel wire pull line, returning springs.
The specialty address of parking brake is auxiliary brake, different from the principle of brake, and it is to adopt steel wire pull line to be connected on brake-shoe, so that car to be braked.Concrete, parking brake is for kart, some designs are after change speed gear box, there is individual brake drum (also having disc type brake) in the place being connected with power transmission shaft, after pulling parking brake, it utilizes the total cylinder motion of hydraulic pressure to promote car following of the hydraulic pressure auxiliary cylinders, then air valve is driven, brake and transmission shaft, if common truck then utilizes the cable wire of hand brake lever to pull realizes long-term immobilization after completing brake and transmission shaft, if then making power consumption control than the truck of higher gears, when parking brake intervention work time, there is a motor also to start simultaneously, after air damping completes, motor will be strained cable wire and lock.
Clearly, if forgetting to pull the hand brake when stopping at ordinary times, slipping easily occurs in vehicle, and consequence is very serious in the effect of parking brake.All should pull-up parking brake when uphill starting, parking, wait traffic lights.
Life-time service parking brake can make steel wire produce plastic deformation, and owing to this deformation is expendable, so long-term application can make the brake fade of parking brake, the braking distance of parking brake also can increase.Matching used with parking brake also have returning spring, and when parking brake operation, pull-up parking brake, spring can be elongated under a stretching force, and spring-return former length time parking brake is decontroled, life-time service spring also can produce corresponding deformation.Since parking brake is so important, apply so frequent, so parking brake needs through a series of experimental test before dispatching from the factory, here most important is exactly long duration test, how easily parking brake carries out durability test is exactly a pendulum problem in face of design engineer, and the work process that namely how can simulate parking brake actual by a kind of device is most important.
Utility model content
The purpose of this utility model is in that for the deficiencies in the prior art, a kind of automobile hand brake durability test apparatus, this device passes through driven by servomotor main axis, complete the pull lift action of bracing wire and the stretching of returning spring and retraction, the free end of bracing wire loads suitable load by counterweight, bracing wire and returning spring be can be carried out test, and owing in whole test, the height of three bracing frames is all adjustable, therefore bracing wire adjustable angle, can adjust and adapt to different parking brake types, assist parking brake long duration test, guarantee test precision and improve test efficiency, it is easy to operation, simulate actual parking brake loading process, error is relatively low.
For solving the problems referred to above, this utility model provides techniques below scheme:
A kind of automobile hand brake durability test apparatus, including stage body and the workpiece installing rack, the first pulley yoke and the second pulley yoke that are arranged on stage body；Being horizontally disposed with, on described workpiece installing rack, the main shaft rotated by driven by servomotor, the end of main shaft is provided with the mounting disc for installing parking brake body；One end of returning spring is connected with parking brake body, and the other end is connected with stage body；The middle part of described main shaft is provided with the hook for fixing bracing wire, and one end of bracing wire is connected with hook, the other end stride across successively the first pulley yoke and the second pulley yoke and be connected to weights in freely sagging shape suspension and stage body outside.
Further, the Programmable Logic Controller for controlling servomotor work it is also configured with.
Further, described workpiece installing rack, the first pulley yoke and the second pulley yoke all include fixing seat, expansion link and locking pin；The bottom of described fixing seat is provided with the flange of installing hole, and fixing seat is connected by bolt and stage body are fixing；Described fixing seat is provided with mean for the pilot hole that expansion link passes perpendicularly through；Described fixing seat and expansion link all offer height adjusting holes.
Further, the top of the expansion link of described workpiece installing rack is provided with main shaft installing rack, and the inner side of main shaft installing rack is provided with the bearing coordinated with main shaft；Described servomotor is removably mounted on the sidepiece of main shaft installing rack by electric machine support.
Further, the top of described first pulley yoke and the second pulley yoke is mounted on pulley yoke.
Further, the upper end sidepiece of described expansion link is welded with lift hands handle.
Further, the end of described stage body is provided with outwardly directed 3rd pulley yoke.
Further, described stage body is welded with the spring for fixing returning spring and connects hook.
Further, the middle part of described main shaft is dismountable is provided with the lining for connecting stay wire；Described hook vertical welding is fixed on the outside of lining.
Further, described lining and main shaft all offer screwed hole, when in the middle part of lining is enclosed within main shaft, by bolt, lining is locked.
Beneficial effect: a kind of automobile hand brake durability test apparatus of the present utility model, this device passes through driven by servomotor main axis, complete the pull lift action of bracing wire and the stretching of returning spring and retraction, the free end of bracing wire loads suitable load by counterweight, bracing wire and returning spring be can be carried out test, and owing in whole test, the height of three bracing frames is all adjustable, therefore bracing wire adjustable angle, can adjust and adapt to different parking brake types, assist parking brake long duration test, guarantee test precision and improve test efficiency, it is easy to operation, simulate actual parking brake loading process, error is relatively low.
Accompanying drawing explanation
Fig. 1 is use view of the present utility model；
Fig. 2 is stereochemical structure decomposing schematic representation of the present utility model；
Fig. 3 is the stereochemical structure decomposing schematic representation of main shaft in this utility model；
Description of reference numerals: parking brake body 1, bracing wire 2, returning spring 3, weights 4, stage body 5, skeleton 5a, table top 5b, workpiece installing rack 6, the first pulley yoke 7, the second pulley yoke 8,3rd pulley yoke 9, main shaft 10, mounting disc 10a, lining 10b, hook 10c, servomotor 11, fixing seat 12, expansion link 13, lift hands is 13a, locking pin 14, height adjusting holes 15, main shaft installing rack 16, bearing 17, electric machine support 18, pulley yoke 19, spring connects hook 20.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, specific embodiment of the utility model is described in further detail:
nullShown in Fig. 3，Machinery parking brake includes parking brake body 1、Bracing wire 2 and returning spring 3，Automobile hand brake durability test apparatus is mainly used in bracing wire 2 and returning spring 3 in machinery parking brake are carried out durability test，This automobile hand brake durability test apparatus includes the stage body 5 of rectangular shape and three the height-adjustable bracing frames being arranged on stage body 5，These three bracing frames include workpiece installing rack 6 successively along the length direction of stage body 5、First pulley yoke 7 and the second pulley yoke 8，Workpiece installing rack 6 is horizontally disposed with the main shaft 10 being driven rotation by servomotor 11，The end of main shaft 10 is provided with the mounting disc 10a for installing parking brake body 1，One end of returning spring 3 is connected with parking brake body 1，The other end is connected with stage body 5，The middle part of main shaft 10 is provided with the hook 10c for fixing bracing wire 2，One end of bracing wire 2 is connected with hook 10c，The other end stride across successively the first pulley yoke 7 and the second pulley yoke 8 and be connected to weights 4 in freely sagging shape suspension with stage body 5 outside.
Operation principle of the present utility model is, by being arranged on the positive and negative rotation repeatedly of servomotor 11 drive shaft 10 on workpiece installing rack 6, the parking brake body 1 being arranged on main shaft 10 end is driven to rotate around main shaft 10, the carrying out driving returning spring 3 endless in parking brake body 1 rotary course stretches and bounces back, bracing wire 2 is moved by hook 10c while main shaft 10 rotates, owing to the free end of bracing wire 2 is hung with weights 4, so bracing wire 2 can under tension in the process repeatedly lifting weights 4.It should be noted that, in order to realize the automaticity of this automobile hand brake durability test apparatus, can be configured with the Programmable Logic Controller for controlling servomotor 11 work, the designing requirement according to different model machinery parking brake, set the running parameter of servomotor 11.Concrete, such as servomotor 11 working time length, the frequency of servomotor 11 rotating and rotating speed, the difference of the rotating speed of servomotor 11 directly translates into bracing wire 2 and lifts the speed of weights 4, and different pull rate is corresponding to bearing the difference of pulling force in bracing wire 2.
Workpiece installing rack the 6, first pulley yoke 7 and the second pulley yoke 8 are designed to height adjustable bracing frame, to be suitable for the test requirements document of different model machinery parking brake, and three bracing frames are all detachably accepted on stage body 5, it is conveniently replaceable when damaging particularly in workpiece installing rack 6, and owing to the height of three bracing frames can realize independent regulation, the adjustment to bracing wire 2 angle can be realized, to simulate under bracing wire 2 normal operating condition the change in the various angles of draw direction.
Workpiece installing rack the 6, first pulley yoke 7 and the second pulley yoke 8 all include fixing seat 12, expansion link 13 and locking pin 14, the bottom of fixing seat 12 is provided with the flange of installing hole, fixing seat 12 is connected by bolt is fixing with stage body 5, fixing seat 12 is provided with mean for the pilot hole that expansion link 13 passes perpendicularly through, fixing seat 12 and expansion link 13 all offer height adjusting holes 15, when expansion link 13 is inserted in the pilot hole of fixing seat 12, locking pin 14 is inserted into locked for expansion link 13 in height adjusting holes 15.
The top of the expansion link 13 of workpiece installing rack 6 is provided with main shaft installing rack 16, and the inner side of main shaft installing rack 16 is provided with the bearing 17 coordinated with main shaft 10, and servomotor 11 is removably mounted on the sidepiece of main shaft installing rack 16 by electric machine support 18.
The top of the first pulley yoke 7 and the second pulley yoke 8 is mounted on pulley yoke 19.
For the convenient height adjusting expansion link 13, the upper end sidepiece at expansion link 13 is welded with lift hands 13a.
For avoiding bracing wire 2 to act on pull-down line 2 and stage body 5 EDGE CONTACT in the bracing wire 2 of weights 4, outwardly directed 3rd pulley yoke 19 is installed in the end of stage body 5 especially, namely bracing wire 2 strides across the 3rd pulley yoke 19 after striding across the second pulley yoke 8 again, further avoid the abrasion of bracing wire 2.
In order to facilitate the fixing of returning spring 3, being welded with the spring for fixing returning spring 3 especially and connect hook 20 on stage body 5, this spring connects hook 20 and is positioned at the underface under parking brake body 1 installment state.
In order to increase the bracing wire 2 lift distance to weights 4, especially dismountable at the middle part of main shaft 10 the lining 10b for connecting stay wire 2 is installed, hook 10c vertical welding is fixed on the outside of lining 10b, and main shaft 10 is linked up with 10c and increased the turning arm of bracing wire 2 and hook 10c junction.
It should be noted that lining 10b and main shaft 10 all offer screwed hole, when in the middle part of lining 10b is enclosed within main shaft 10, by bolt, lining 10b is locked.
Stage body 5 includes skeleton 5a and table top 5b, and table top 5b offers the through hole for expansion link 13 traverse.
The above, it it is only preferred embodiment of the present utility model, not technical scope of the present utility model is made any restriction, therefore every any trickle amendment, equivalent variations and modification above example made according to technical spirit of the present utility model, all still fall within the scope of the technical solution of the utility model.
Claims (10)
1. an automobile hand brake durability test apparatus, it is characterised in that: include stage body (5) and the workpiece installing rack (6) being arranged on stage body (5), the first pulley yoke (7) and the second pulley yoke (8)；Being horizontally disposed with on described workpiece installing rack (6) and driven, by servomotor (11), the main shaft (10) rotated, the end of main shaft (10) is provided with the mounting disc (10a) for installing parking brake body (1)；One end of returning spring (3) is connected with parking brake body (1), and the other end is connected with stage body (5)；The middle part of described main shaft (10) is provided with the hook (10c) for fixing bracing wire (2), one end of bracing wire (2) is connected with hook (10c), and the other end strides across the first pulley yoke (7) and the second pulley yoke (8) successively and is connected to weights (4) in freely sagging shape suspension with stage body (5) outward.
2. a kind of automobile hand brake durability test apparatus according to claim 1, it is characterised in that: it is also configured with for controlling the Programmable Logic Controller that servomotor (11) works.
3. a kind of automobile hand brake durability test apparatus according to claim 1 and 2, it is characterised in that: described workpiece installing rack (6), the first pulley yoke (7) and the second pulley yoke (8) all include fixing seat (12), expansion link (13) and locking pin (14)；The bottom of described fixing seat (12) is provided with the flange of installing hole, and fixing seat (12) is connected by bolt and stage body (5) are fixing；Described fixing seat (12) is provided with mean for the pilot hole that expansion link (13) passes perpendicularly through；Described fixing seat (12) and expansion link (13) all offer height adjusting holes (15).
4. a kind of automobile hand brake durability test apparatus according to claim 3, it is characterized in that: the top of the expansion link (13) of described workpiece installing rack (6) is provided with main shaft installing rack (16), the inner side of main shaft installing rack (16) is provided with the bearing (17) coordinated with main shaft (10)；Described servomotor (11) is removably mounted on the sidepiece of main shaft installing rack (16) by electric machine support (18).
5. a kind of automobile hand brake durability test apparatus according to claim 3, it is characterised in that: the top of described first pulley yoke (7) and the second pulley yoke (8) is mounted on pulley yoke (19).
6. a kind of automobile hand brake durability test apparatus according to claim 3, it is characterised in that: the upper end sidepiece of described expansion link (13) is welded with lift hands (13a).
7. a kind of automobile hand brake durability test apparatus according to claim 1, it is characterised in that: the end of described stage body (5) is provided with outwardly directed 3rd pulley yoke (19) (9).
8. a kind of automobile hand brake durability test apparatus according to claim 1, it is characterised in that: described stage body (5) is welded with the spring for fixing returning spring (3) and connects hook (20).
9. a kind of automobile hand brake durability test apparatus according to claim 1, it is characterised in that: the dismountable lining (10b) being provided with for connecting stay wire (2) in the middle part of described main shaft (10)；Described hook (10c) vertical welding is fixed on the outside of lining (10b).
10. a kind of automobile hand brake durability test apparatus according to claim 9, it is characterized in that: described lining (10b) and all offer screwed hole on main shaft (10), when lining (10b) is enclosed within main shaft (10) middle part, by bolt, lining (10b) is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620244027.XU CN205404135U (en) | 2016-03-24 | 2016-03-24 | Car manual brake endurance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620244027.XU CN205404135U (en) | 2016-03-24 | 2016-03-24 | Car manual brake endurance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205404135U true CN205404135U (en) | 2016-07-27 |
Family
ID=56418956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620244027.XU Withdrawn - After Issue CN205404135U (en) | 2016-03-24 | 2016-03-24 | Car manual brake endurance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205404135U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699096A (en) * | 2016-03-24 | 2016-06-22 | 安徽机电职业技术学院 | Automotive hand brake durability testing device |
| CN106352835A (en) * | 2016-08-29 | 2017-01-25 | 华东交通大学 | An Automobile Handbrake Composite Measuring Device |
| CN108844757A (en) * | 2018-09-27 | 2018-11-20 | 合肥学院 | A kind of automobile brake parking brake fatigue strength test platform |
-
2016
- 2016-03-24 CN CN201620244027.XU patent/CN205404135U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699096A (en) * | 2016-03-24 | 2016-06-22 | 安徽机电职业技术学院 | Automotive hand brake durability testing device |
| CN106352835A (en) * | 2016-08-29 | 2017-01-25 | 华东交通大学 | An Automobile Handbrake Composite Measuring Device |
| CN106352835B (en) * | 2016-08-29 | 2020-07-17 | 华东交通大学 | Automobile hand brake comprehensive measuring device |
| CN108844757A (en) * | 2018-09-27 | 2018-11-20 | 合肥学院 | A kind of automobile brake parking brake fatigue strength test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20180807 |
|
| AV01 | Patent right actively abandoned |