CN203294086U - Semi-trailer with auxiliary braking function - Google Patents
Semi-trailer with auxiliary braking function Download PDFInfo
- Publication number
- CN203294086U CN203294086U CN2013202779800U CN201320277980U CN203294086U CN 203294086 U CN203294086 U CN 203294086U CN 2013202779800 U CN2013202779800 U CN 2013202779800U CN 201320277980 U CN201320277980 U CN 201320277980U CN 203294086 U CN203294086 U CN 203294086U
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- Prior art keywords
- brake
- diff
- axle
- trailer
- auxiliary braking
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Abstract
The utility model discloses a semi-trailer with the auxiliary braking function. The semi-trailer with the auxiliary braking function comprises two half axles which are fixedly connected with two sets of wheels at the tail of the semi-trailer respectively, a differential mechanism is connected between the two half axles, and a damping brake is arranged on the differential mechanism and connected with a control mechanism of a cab. The outer sides of the two half axles are sleeved with axle sleeves, a bridge package is connected between the two axle sleeves, and the differential mechanism and the damping brake are arranged inside the bridge package. The damping brake is a hydraulic retarder, and the control mechanism of the cab is a pneumatic valve. The hydraulic retarder is provided with an oil inlet pipeline and an oil return pipeline which are communicated with an oil tank, an electromagnetic valve is arranged on the oil inlet pipeline and connected with the pneumatic valve, and a cooling heat radiating device is arranged on the oil return pipeline. On the basis of original mechanical friction braking, a flexible braking mode is added, and the semi-trailer has the advantages of being large in braking torque, soft in working and sensitive in response.
Description
Technical field
The utility model relates to a kind of transport vehicle, specifically a kind of superimposed trailer that is provided with auxiliary brake system.
Background technology
Towards the future development of high-speed overload, therefore stable brake system becomes the important guarantee of vehicle safety and traveling comfort to transport vehicle day by day at present.In prior art, between relative two wheels of superimposed trailer, a hollow axle only is set, the two ends of wheel shaft are connected with wheel by bearing, and three groups of wheels of superimposed trailer propons, jackshaft and back axle all do not have direct propulsion source, and its brake system is all to rely on traditional mechanical friction type drg.The brake mode of mechanical friction is that the traffic safety and riding comfort that can't meet the large-tonnage autotruck requires, when particularly travelling on mountain area and mine, when fully loaded descending for restricted speed, must brake continuously for a long time, use the brake shoe brake of frequently setting foot-point continuously on long and high ramp, cause that brake shoe heating, friction coefficient reduce, brake load is excessive, just there will be drg braking function heat fade phenomenon, have a strong impact on the safety of automobile brake.
The utility model content
The utility model technical issues that need to address are to provide the superimposed trailer with auxiliary braking that a kind of stopping distance is short, react rapid sensitive.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
With the superimposed trailer of auxiliary braking, comprise two semiaxis that are fixedly connected with respectively with two groups of wheels of semi-trailer tail, be connected with diff between two semiaxis, be provided with damping brake on diff, damping brake is connected with the control mechanism of operator's compartment.
Further improvement of the utility model is: described two semiaxis outside suit axle sleeve, it is inner that connecting bridge bag between two axle sleeves, diff and damping brake are arranged at the bridge bag.
Further improvement of the utility model is: described damping controller is hydrodynamic retarder, and the control mechanism of described operator's compartment is operated pneumatic valve.
Further improvement of the utility model is: chargine line and oil return line that described hydrodynamic retarder setting is communicated with fuel tank, be provided with electromagnetic valve on described chargine line, and electromagnetic valve is connected with operated pneumatic valve, on described oil return line, cooling heat radiator is set.
Further improvement of the utility model is: described damping brake arranges a brake axle, and the axle head of brake axle arranges spragging gear, and described two semiaxis share a diff, the driven gear of the axle head setting of the input shaft of diff and spragging gear engagement.
Further improvement of the utility model is: described damping brake arranges a brake axle, the axle head of brake axle arranges spragging gear, two semiaxis are connected with respectively a diff, the axle head of the input shaft of two difies all arranges intermediate gear, gear ring in the middle of being provided with between spragging gear and intermediate gear, the external tooth engagement of spragging gear and middle gear ring, the internal tooth engagement of two intermediate gears and middle gear ring.
Further improvement of the utility model is: the wheel at described superimposed trailer head and middle part all arranges the semi-axis structure that be connected with diff identical with tail structure, each diff all arranges damping brake, is connected with the control mechanism of operator's compartment after each damping brake parallel connection.
Owing to having adopted technique scheme, the technological advance that the utility model is obtained is:
The utility model is adapted as two semiaxis by the hollow rotating shaft between the wheel that superimposed trailer is relative, be provided with the diff of damping brake between semiaxis, on the basis of original mechanical type friction braking, increased flexible damping brake mode, have not only that lock torque is large, soft, the sensitive characteristics of work, also can, because of the mode that is adapted as semiaxis, not affect the operability of Ackermann steer angle.
The utility model, at semiaxis and diff arranged outside axle sleeve and Qiao Bao, can be avoided contamination by dust, prevents because foreign material are got involved the normal operation that affects each parts.
The utility model design hydrodynamic retarder, as damping controller, belongs to indirect braking, and flexibly, brake system is perfect, can automatically adapt to the load needs in reaction.Hydrodynamic retarder has that the high speed lock torque is large, noise is little, impact is little, volume is little, is convenient to install, heat radiation easily, braking pulsation-free characteristics, due to himself constructional feature, working medium does not contact with the semiaxis rigidity, can not cause mechanical wear, and can rush liquid measure by change and carry out adjustable brake moment, be a kind of more satisfactory complemental brake system.
The utility model is set to damping brake between three groups of wheels of superimposed trailer, has shortened braking time, has reduced the vehicle point and has stopped the time of action, and the control mechanism of damping brake is arranged on operator's compartment, is convenient to driver operation and controls.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment of the present utility model;
Fig. 2 is the schematic diagram of another kind of embodiment of the present utility model.
Wherein, 1, wheel, 2, axle sleeve, 3, Qiao Bao, 4, hydrodynamic retarder, 5, diff, 6, semiaxis, 7, spragging gear, 8, middle gear ring.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details:
Embodiment 1
With the superimposed trailer of auxiliary braking, as shown in Figure 1, comprise vehicle frame, head, middle part and afterbody are provided with three groups of wheels 1 below vehicle frame.Two groups of wheels that wherein are positioned at afterbody are connected with respectively a semiaxis 6, and an end of semiaxis 6 is fixedly connected with wheel, and the other end of semiaxis 6 arranges gear.The outside suit axle sleeve 2 of two-semiaxle 6, arrange bridge bag 3 between axle sleeve 2.The diff 5 that a gear with semiaxis meshes is set between the two-semiaxle 6 in bridge bag 3, hydrodynamic retarder 4 is set on diff 5.Concrete, hydrodynamic retarder 4 is provided with a brake axle, and the axle head of brake axle is installed spragging gear, and a driven gear is set on the input shaft of diff 5.Spragging gear and driven gear engagement.Chargine line and oil return line are set on hydrodynamic retarder 4, two pipelines all are communicated with the fuel tank of superimposed trailer, and electromagnetic valve is set on chargine line, and electromagnetic valve is connected with the operated pneumatic valve of operator's compartment, big or small by the air pressure that operated pneumatic valve is controlled on chargine line, thus the lock torque of control hydrodynamic retarder.Cooling heat radiator is set on oil return line.When hydrodynamic retarder 4 is subject to the application force that wheel passes over by diff, control mechanism sends control signal, hydrodynamic retarder is delivered to wheel by diff and semiaxis with counteraction, by the spragging gear of control hydrodynamic retarder and the driven gear engagement of diff, two semiaxis are slowed down, and then to wheel braking.
Embodiment 2
The present embodiment is on the basis of embodiment 1, set up semiaxis 6, diff 5, damping brake and axle sleeve 2 and the bridge bag 3 identical with embodiment 1 structure at propons, the jackshaft of superimposed trailer, be connected with the control mechanism of operator's compartment after three damping brake parallel connections of superimposed trailer.
Embodiment 3
As shown in Figure 2, the present embodiment is with the difference of embodiment 1: the gear of described two-semiaxle 6 is connected separately 5, two difies of a diff 5 and shares a hydrodynamic retarder 4.Concrete, the axle head of the input shaft of two relative difies 5 all arranges an intermediate gear, gear ring 8 in the middle of two intermediate gears are connected to one jointly, the intermediate gear engagement of the internal tooth of middle gear ring 8 and diff 5, the external tooth of middle gear ring 8 and 7 engagements of the spragging gear of hydrodynamic retarder.
Embodiment 4
The present embodiment is on the basis of embodiment 3, set up semiaxis 6, diff 5, damping brake and axle sleeve 2 and the bridge bag 3 identical with embodiment 3 structures at propons, the jackshaft of superimposed trailer, be connected with the control mechanism of operator's compartment after three damping brake parallel connections of superimposed trailer.
Claims (7)
1. with the superimposed trailer of auxiliary braking, it is characterized in that: comprise two semiaxis (6) that are fixedly connected with respectively with two groups of wheels (1) of semi-trailer tail, be connected with diff (5) between two semiaxis (6), diff is provided with damping brake on (5), and damping brake is connected with the control mechanism of operator's compartment.
2. the superimposed trailer with auxiliary braking according to claim 1, it is characterized in that: described two semiaxis (6) outside suit axle sleeve (2), connecting bridge bag (3) between two axle sleeves (2), diff (5) and damping brake are arranged at bridge bag (3) inside.
3. the superimposed trailer with auxiliary braking according to claim 1, it is characterized in that: described damping controller is hydrodynamic retarder (4), and the control mechanism of described operator's compartment is operated pneumatic valve.
4. the superimposed trailer with auxiliary braking according to claim 3, it is characterized in that: chargine line and oil return line that described hydrodynamic retarder (4) setting is communicated with fuel tank, be provided with electromagnetic valve on described chargine line, electromagnetic valve is connected with operated pneumatic valve, on described oil return line, cooling heat radiator is set.
5. the described superimposed trailer with auxiliary braking of according to claim 1～4 any one, it is characterized in that: described damping brake arranges a brake axle, the axle head of brake axle arranges spragging gear (7), described two semiaxis (6) share a diff (5), the driven gear of the axle head setting of the input shaft of diff and spragging gear (7) engagement.
6. the described superimposed trailer with auxiliary braking of according to claim 1～4 any one, it is characterized in that: described damping brake arranges a brake axle, the axle head of brake axle arranges spragging gear (7), two semiaxis (6) are connected with respectively a diff (5), the axle head of the input shaft of two difies all arranges intermediate gear, gear ring (8) in the middle of being provided with between spragging gear and intermediate gear, spragging gear (7) meshes with the external tooth of middle gear ring (8), the internal tooth engagement of two intermediate gears and middle gear ring (8).
7. the described superimposed trailer with auxiliary braking of according to claim 1～4 any one, it is characterized in that: the wheel at described superimposed trailer head and middle part all arranges the semi-axis structure that be connected with diff (5) identical with tail structure, each diff all arranges damping brake, is connected with the control mechanism of operator's compartment after each damping brake parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202779800U CN203294086U (en) | 2013-05-21 | 2013-05-21 | Semi-trailer with auxiliary braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202779800U CN203294086U (en) | 2013-05-21 | 2013-05-21 | Semi-trailer with auxiliary braking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203294086U true CN203294086U (en) | 2013-11-20 |
Family
ID=49570119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202779800U Expired - Fee Related CN203294086U (en) | 2013-05-21 | 2013-05-21 | Semi-trailer with auxiliary braking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203294086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477156A (en) * | 2014-12-26 | 2015-04-01 | 田立树 | Hydraulic braking device special for heavy-duty truck |
| CN105539407A (en) * | 2015-12-28 | 2016-05-04 | 同济大学 | Braking system for goods train |
-
2013
- 2013-05-21 CN CN2013202779800U patent/CN203294086U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477156A (en) * | 2014-12-26 | 2015-04-01 | 田立树 | Hydraulic braking device special for heavy-duty truck |
| CN104477156B (en) * | 2014-12-26 | 2017-02-08 | 田立树 | Hydraulic braking device special for heavy-duty truck |
| CN105539407A (en) * | 2015-12-28 | 2016-05-04 | 同济大学 | Braking system for goods train |
| CN105539407B (en) * | 2015-12-28 | 2018-02-09 | 同济大学 | A kind of brakes for goods train |
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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: 20131120 |