CN202560886U - External beam-type gear transmission brake - Google Patents
External beam-type gear transmission brake Download PDFInfo
- Publication number
- CN202560886U CN202560886U CN2011200380977U CN201120038097U CN202560886U CN 202560886 U CN202560886 U CN 202560886U CN 2011200380977 U CN2011200380977 U CN 2011200380977U CN 201120038097 U CN201120038097 U CN 201120038097U CN 202560886 U CN202560886 U CN 202560886U
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- China
- Prior art keywords
- gear
- friction
- external beam
- water cooling
- shoes
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a multi-functional external beam-type brake. The device is arranged along the axial direction of a transmission shaft, and mainly includes a support 1, a horseshoe assembly (left horseshoe 3 and right horseshoe 7), friction disks 2 (two or more disks at left and right sides, respectively, and the disks can be exchangeable), a left rack 4, a right rack 6, a circulating water cooling friction drum 8, a supporting pin 9, a planetary assembly (including a main gear 13, a left driving gear 15, a right driving gear 12 and a transition gear 14), an automatic adjustment arm 10, a main gear shaft and the like. The support 1 is mounted on the casing of the output end of a automobile gearbox (frame or the casing of a main speed reducer), the gearbox output transmission shaft drives the circulating water cooling friction drum 8 to rotate, and the purpose of the speed reduction or braking of a vehicle can be achieved by pressing the circulating water cooling friction drum 8 via the friction disks 2 while braking. The external beam-type gear transmission brake has the characteristics of sensitive and reliable braking, light whole weight and high performance-to-price cost, and also can be applied on other movement mechanisms requiring being braked, such as braking of the machineries of mine, construction, engineering and the like.
Description
Technical field
The utility model relates to a kind of external beam formula gear transmission braking device, particularly can be used for the slow or braking device of central authorities of passenger vehicle, heavy vehicle.
Background technique
In recent years, along with country has successively put into effect the relevant law of vehicle driving, brake safe, the demand in automobile retarder market increases rapidly; Electric eddy current retarder occupies very big market; Electric eddy current retarder has many good qualities than the retarder of other types, but its volume is big, and quality is heavy; Incompatible with automobile lightweight, integrated development; Current sinking is big during braking, the electromagnetic wire heating value is high, and braking moment rises decay seriously with temperature, and price is high.
Mostly existing automobile foundation brakes internal tensional type drum type braking device is that the centring jaw formula opens leading trailing shoe brake outward, and shortcoming is that the power of driving cam wants big and efficient is relatively low; Its efficient is about 0.6 ~ 0.8, and the Braking efficiency of internal tensional type drum brake and thermal diffusivity be not fine, the braking force poor stability; Braking force alters a great deal on different road surfaces, be not easy to control, and because thermal diffusivity is bad; Drum brake is braked the heat fade phenomenon clearly for a long time; Braking force constantly descends, and influences traffic safety, so its brake request when not satisfying on the mountain highway continuously descent run.
Therefore, need the novel break of model utility.
The utility model content
It is a kind of slow and braking effect is good that the purpose of the utility model is to provide, and temperature rise is low, light weight, volume are little, be quick on the draw, the retarder brake of good braking effect.
The technological scheme of the utility model is:
Shown in Fig. 1, Fig. 2 and Fig. 3; The external beam formula gear transmission break of the utility model; The support (1) that supports whole multi-functional external beam formula break is installed on the outer wall of automobile gearbox output terminal or on the vehicle chassis, and recirculated water cooling friction drum (8) and the flange plate of automobile gearbox output shaft or the flange plate of transmission shaft or the flange plate of main reducing gear driving gear flange plate and universal joint link together, and can rotate freely with them; The shared rest pin of left and right sides shoes (9) (can use two rest pins); And be installed in the shoes pin-and-hole (16) of support base plate (21), left tooth bar (4) is mounted on bolt on the upper end outer surface of left shoes (3), and right tooth bar (6) is mounted on the upper end outer surface of right shoes (7) with bolt; Hold recirculated water cooling friction drum (8) simultaneously tightly through left and right sides shoes; Thereby realization vehicle braked, this design make stressed more reasonable, have improved braking ability.
Shown in Fig. 1, Fig. 2, Fig. 3, break top is provided with gear, adopts gear transmission transmission driving force.Gear is provided with four gears, wherein: a master gear (13), a transition gear (14), two actuation gears (12) and (15).Left and right sides shoes (3) and (7) top all design and installation tooth bar (4) and (6), shoes assembly internal surface is equipped with friction plate (2), left and right sides shoes, four friction plates, left and right sides tooth bars can both exchange, make make, use, maintenance is all very convenient.
When break is started working, under external force, an end of adjusting arm (10) automatically is connected with the end of power actuator; Thereby drive main gear shaft (11), drive left and right sides gear, through the effect of gear and tooth bar; Left and right sides shoes is the center rotation with rest pin (9); Draw in to recirculated water cooling friction drum (8) outer surface simultaneously, when friction plate (2) contacted with recirculated water cooling friction drum (8) and compresses gradually, friction plate (2) produced friction catch moment with recirculated water cooling friction drum (8) outer surface; Recirculated water cooling friction drum (8) rotating speed is slowed down or do not change, thereby reach the purpose of the slow or braking of vehicle.
Shown in Fig. 4, Fig. 5; Friction plate (2) is installed on the internal surface of described left and right sides shoes through bolt; One end of left and right sides shoes connects with rest pin (9) and is installed in the shoes pin-and-hole (16) of support base plate (21); Left side tooth bar (4) is mounted on bolt on the upper end outer surface of left shoes (3), and right tooth bar (6) is mounted on the upper end outer surface of right shoes (7) with bolt.
Friction plate (2) inside and outside circle cambered surface is non-concentric design, and this brake strip (2) is designed to the non-uniform thickness friction plate of external beam formula, just can contact fully simultaneously with the friction drum outer surface in the time of realizing initial the brake; Need not pass through the initial stage break-in of long period; Wearing and tearing along with friction plate; Constantly compensation of adjustment arm (10) automatically guarantees contact fully behind the friction disc wear, remains almost equal thickness of friction plate thickness at last; Characteristics of stress distribution and wear law when having taken into full account braking like this reach the cost of material of saving friction plate.
Shown in Fig. 6-Fig. 9; The connection end face of support (1) is provided with by locating face (17) and installing and locating circle (18) determined locating face; Can cooperate with the positioning boss of gearbox bonnet, be connected on the bonnet of gearbox with bolt through bolt hole (16); Support base plate (21) has two fixed bearings to be used to install described rest pin (9), and an end of left and right sides shoes is installed on the described rest pin (9), and two shoes are the center rotation around rest pin (9) altogether; Support base plate (21) also can have two groups, totally four fixed bearings, and described left shoes (3) and right shoes (7) are installed respectively through two rest pins (9); All wheels comprise a master gear (13), a transition gear (14), right actuation gear (12), 15-left side actuation gear (15), in the rack-mount end tooth roller boxs of all wheels (5); Gear-box (5) is installed in the top of support (1), and gear-box (5) also is provided with air chamber support (19), is used to install brake chamber.
Support (1) has following effect: the top of support is used for mounting teeth roller box (5); The below of support is used for the bearing of mounting support pin (9), and left and right sides shoes (7) is installed on the rest pin (9); The facade of support comprises: installing and locating end face (18) and setting circle (20) are used for confirming the axial position and the concentricity that guarantee installing and locating circle (20) and recirculated water cooling friction drum (8) of support (1) with respect to automobile gearbox; The bolt that go up to install in connecting bolt hole (17) is used for fixing on the housing of support and automobile gearbox output terminal (or on vehicle frame or on the bevel housing); The braking force that is produced when supporting the weight of the whole component of machine of break and bearing braking; In addition; Holder part with each function is cast as an integral body, has improved manufacturing, processing, location, transmission accuracy.
Shown in Figure 10-Figure 12; Cooling water in the recirculated water cooling friction drum (8) gets into from water intake (22) under certain pressure, in recirculated water cooling friction drum (8), flows; After fully absorbing the frictional heat of braking; Flow out through water outlet (23), cooling water can reduce recirculated water cooling friction drum (8) bulk temperature rapidly, guarantees the break proper functioning.
External beam formula gear transmission braking in quality, on the performance, manufacture cost can both satisfy the demand of commerial vehicle to retarder, and has simple in structurely, is convenient to maintenance, characteristics such as cost performance height have improved automobile brake perfrmance simultaneously, have ensured traffic safety.
Description of drawings:
Figure l is the external beam formula gear transmission break assembling front view of the utility model;
Fig. 2 is the external beam formula gear transmission break assembling transmission principle figure of the utility model;
Fig. 3 is the gear transmission schematic representation of the utility model
Fig. 4 is the friction plate plan view of the utility model;
Fig. 5 is the friction plate left view of the utility model;
Fig. 6 is the utility model support right elevation;
Fig. 7 is the utility model support plan view;
Fig. 8 is the utility model support rear view;
Fig. 9 is the utility model support top view;
Figure 10 is the utility model water-cooled friction drum inner chamber plan view;
Figure 11 is the utility model water-cooled friction drum inner chamber B-B view;
Figure 12 is the utility model water-cooled friction drum inner chamber C-C view.
In the accompanying drawing:
The right shoes 8-of a shoes 4-left side, a l-support 2-friction plate 3-left side right tooth bar 7-of tooth bar 5-gear-box 6-recirculated water cooling friction drum 9-rest pin 10-adjusts actuation gear 16-shoes pin-and-hole 17-connecting bolt hole, the right actuation gear 13-of arm 11-main gear shaft 12-master gear 14-transition gear 15-left side 18-installing and locating end face 19-air chamber support 20-installing and locating circle 21-support base plate 22-water intake 23-water outlet automatically.
Embodiment
During car brakeing, break is started working, through the air pressure in the control brake air chamber; Braking force passes to main gear shaft (11) by brake chamber through adjusting arm (10) automatically, and main gear shaft (11) drives master gear (13) rotation, and master gear (13) passes to right actuation gear (12) to torque; Drive right tooth bar (6) by right actuation gear (12), and then drive right shoes (7), simultaneously; Master gear (13) passes to transition gear (14) to power; Pass to the actuation gear (9) on the left side again, drive left tooth bar (4), and then drive left shoes (3) by left side actuation gear.About the shared rest pins of two shoes (9); Two shoes rotate for the center around rest pin (9) simultaneously, contact with recirculated water cooling friction drum (8) surface simultaneously, produce frictional force; Form braking moment, thereby realized the slow or braking function of break vehicle.
For cooling water; Cooling water gets into recirculated water cooling friction drum (8) inside through water intake (22) and flows fast, absorbs the frictional heat that braking produces, and makes recirculated water cooling friction drum (8) surface temperature reduce; Cooling water temperature flows out through water outlet (23) after raising again.In vehicle driving or the braking process, cooling water constantly gets in the recirculated water cooling friction drum (8), is used to reduce the whole temperature rise of recirculated water cooling friction drum (8).
When [0019] vehicle got off the brakes, return spring drove adjustment arm counterrotating in the brake chamber under the effect of returning place force, so about unclamp to both sides, friction plate (2) separates with recirculated water cooling friction drum (8), thus the realization break is stopped to the pine of vehicle.
Claims (10)
1. external beam formula gear transmission break is characterized in that: described support (l) is installed on the housing of automobile gearbox output terminal or on the vehicle frame or on the bevel housing; Described recirculated water cooling friction drum (8) is installed on the vehicle gear box output shaft flange plate or on the transmission shaft or on the main reducing gear driving gear flange plate; Described friction plate (2) is installed on the internal surface of described left and right sides shoes through bolt; One end of described left and right sides shoes connects with rest pin (9) and is installed in the shoes pin-and-hole (16) of support base plate (21); Described left tooth bar (4) is mounted on the upper end outer surface of left shoes (3) with bolt; Described right tooth bar (6) is mounted on the upper end outer surface of right shoes (7) with bolt; When break is started working, under external force, through the effect of gear and tooth bar; Left and right sides shoes is the center rotation with rest pin (9); Draw in to recirculated water cooling friction drum (8) outer surface simultaneously, when friction plate (2) contacted with recirculated water cooling friction drum (8) and compresses gradually, friction plate (2) produced friction catch moment with recirculated water cooling friction drum (8) outer surface; Recirculated water cooling friction drum (8) rotating speed is slowed down or do not change, thereby reach the purpose of the slow or braking of vehicle.
2. according to the described external beam formula of claim l gear transmission break; It is characterized in that: the flange plate of recirculated water cooling friction drum (8) and automobile gearbox output shaft or the flange plate of transmission shaft or the flange plate of main reducing gear driving gear flange plate and universal joint link together, and can rotate freely with them.
3. according to the described external beam formula of claim l gear transmission break; It is characterized in that: support base plate (21) has two fixed bearings to be used to install described rest pin (9); One end of left and right sides shoes is installed on the described rest pin (9), and two shoes are the center rotation around rest pin (9) altogether.
4. according to the described external beam formula of claim l gear transmission break, it is characterized in that: support base plate (21) also can have four fixed bearings, and through two rest pins (9) described left shoes (3) and right shoes (7) is installed respectively.
5. according to the described external beam formula of claim l gear transmission break; It is characterized in that: also comprise all wheels; All wheels comprise a master gear (13), a transition gear (14), right actuation gear (12), left actuation gear (15), in the rack-mount end tooth roller boxs of all wheels (5).
6. according to the described external beam formula of claim 5 gear transmission break, it is characterized in that: gear-box (5) is installed in the top of support (1), and gear-box (5) also is provided with air chamber support (19), is used to install brake chamber.
7. external beam formula gear transmission break according to claim 5, it is characterized in that: an end of described main gear shaft (11) is equipped with the gap and adjusts arm (10) automatically.
8. according to the described external beam formula of claim 7 gear transmission break, it is characterized in that: an end of described automatic adjustment arm (10) is connected with the end of power actuator.
9. according to the described external beam formula of claim l gear transmission break; It is characterized in that: friction plate (2) inside and outside circle cambered surface is non-concentric design; This brake strip (2) is designed to not uniform thickness friction plate of external beam formula, just can contact fully simultaneously with the friction drum outer surface in the time of realizing initial the brake; Constantly compensation of adjustment arm (10) automatically guarantees contact fully behind the friction disc wear, remains almost equal thickness of friction plate thickness at last.
10. according to the described external beam formula of claim l gear transmission break; It is characterized in that: cooling water is got into by water intake (22) in the described recirculated water cooling friction drum (8); In recirculated water cooling friction drum (8), flow fast, after the frictional heat that friction plate and friction drum produce when absorbing braking, cooling water temperature raises; Flow out from water outlet (23), thereby reached the purpose that recirculated water cooling friction drum (8) is cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200380977U CN202560886U (en) | 2011-02-14 | 2011-02-14 | External beam-type gear transmission brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200380977U CN202560886U (en) | 2011-02-14 | 2011-02-14 | External beam-type gear transmission brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202560886U true CN202560886U (en) | 2012-11-28 |
Family
ID=47210546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200380977U Expired - Fee Related CN202560886U (en) | 2011-02-14 | 2011-02-14 | External beam-type gear transmission brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202560886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211572A (en) * | 2011-02-14 | 2011-10-12 | 唐应时 | External-restricting type gear drive brake |
-
2011
- 2011-02-14 CN CN2011200380977U patent/CN202560886U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211572A (en) * | 2011-02-14 | 2011-10-12 | 唐应时 | External-restricting type gear drive brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20180214 |