CN2317138Y - Two-loop emergency brake device for motor vehicle - Google Patents
Two-loop emergency brake device for motor vehicle Download PDFInfo
- Publication number
- CN2317138Y CN2317138Y CN 97243129 CN97243129U CN2317138Y CN 2317138 Y CN2317138 Y CN 2317138Y CN 97243129 CN97243129 CN 97243129 CN 97243129 U CN97243129 U CN 97243129U CN 2317138 Y CN2317138 Y CN 2317138Y
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- brake
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- vacuum
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- Expired - Fee Related
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Abstract
The utility model relates to a two-loop emergency brake device for motor vehicles for improving braking reliability and safety, relating to a two-loop emergency braking structure which is arranged at a braking position. The utility model comprises a braking operating mechanism which is arranged in a girder, a braking loop mechanism which is arranged in a front and rear axle assembly, and a brake shoe part which is arranged in a driving cab; on the basis of the braking system structure, the utility model is additionally provided with two sets of identical braking system structures, so that a two-loop braking structure can be formed. Due to the structure of two braking systems, the utility model improves the effect of emergency brake for vehicles; when one loop fails, the other loop can be used for producing brake forces, when the two loops are operated simultaneously, a braking distance can also be shortened, and the braking strength can be enhanced. Accordingly, the driving safety can be enhanced, and the occurrence of traffic accidents can be reduced.
Description
The utility model relates to self-propelled vehicle double loop emergency brake device.
Along with developing by leaps and bounds of economy, vehicle is being doubled and redoubled as the vehicle in modern society, this all brings great convenience for people's work and life, also made immeasurable contribution for economic prosperity, but the generation of traffic accident also grows with each passing day thereupon, study carefully the reason of its traffic accident, mainly be brake system failure, in a single day malfunctioning the causing a traffic accident of brake system just can hardly be avoided, people have taked many emergency braking measures for this reason, the additional chock formula emergency braking of mechanical structure for example, or the lifter flap is descended and pavement friction reaches the pressure emergency braking by master cock, owing to these structure emergency brake weak effects lack practicality, particularly when the speed of a motor vehicle is higher, more can't play a role, so do not paid attention to and be difficult to apply always by people.
The purpose of this utility model be to overcome the defective of prior art and provide a kind of be applicable to the speed of a motor vehicle higher, emergency brake is effective and self-propelled vehicle double loop emergency brake device with practicality.
The purpose of this utility model realizes by following scheme: comprise the front axle assy and the back axle assembly that are installed in below the vehicle crossbeam, preceding brake baffle and fore brake parts are arranged on the front axle assy, back brake baffle and back brake shoe brake cheek parts are arranged on the back axle assembly; Brake operation mechanism comprises that the right crus of diaphragm brake pedal soldering member that is located in the operator's compartment directly is connected with one group of bearing pin shifting block, connects the one group master brake cylinder work with one group running-board bracket assembly set fixing of one group of piston push rod driving by one group of oil storage cylinder fuel feeding by this shifting block; Be located at brake circuit mechanism on the crossbeam and comprise one group of master brake cylinder by one group of oil storage cylinder fuel feeding, it is installed on one group of running-board bracket soldering member on the operator's compartment base plate, by coupled logical one group of brake pipe and the one group of vacuum gooster pump that is installed on the crossbeam, one group of vacuum intensifier and one group of safety cylinder communicate, be mounted in one group of oil pipe threeway on the back axle by oil pipe, and with preceding, one group of brake cylinder of back axle brake shoe brake cheek parts is connected, and the electrical generator vacuum source that is installed on the driving engine connects one group of vacuum gooster pump and one group of vacuum intensifier forms a booster brake loop by one group of vacuum lamp again to one group of vacuum cylinder; The brake shoe brake cheek parts comprise be fixed on before, brake shoe lining in the back brake baffle, be provided with one group of brake cylinder, one group of brake shoe return spring and one group of opening shape chute, it is characterized in that: the right crus of diaphragm brake pedal soldering member of described brake operation mechanism connects back the power transmitter shaft, connect one group of bearing pin shifting block again by this axle, promote the one group master brake cylinder work of one group of piston push rod drive by one group of oil storage cylinder fuel feeding, return the power transmitter shaft simultaneously and connect two groups of opening shape shifting blocks again, promote two groups of piston push rods drive by two groups of oil storage cylinder fuel feeding with two groups of fixing master brake cylinder work of two groups of running-board bracket assembly sets; Be provided with simultaneously left foot brake pedal soldering member in operator's compartment, it connects the bearing pin dial sleeve, promotes the two group master brake cylinder work of two groups of piston push rods drives by two groups of oil storage cylinder fuel feeding; Described brake circuit mechanism is included in the operator's compartment base plate and is provided with two groups of oil storage cylinders, two groups of master brake cylinder by two groups of oil storage cylinder fuel feeding are installed on two groups of running-board bracket assembly sets, connect two groups of safety cylinderes on two groups of vacuum gooster pumps and the two groups of vacuum intensifiers by coupled two groups of logical brake pipes, and by two groups of oil pipe threeways with before, two groups of brake cylinders on the back axle brake shoe brake cheek parts are connected, and are connected to two group vacuum gooster pumps and two group vacuum intensifiers form another booster brake loop by two groups of vacuum lamps to two groups of vacuum cylinders through the driving engine vacuum source; Be provided with two groups of brake cylinders, two groups of brake shoe return springs and two groups of opening shape chutes on the brake shoe lining of described brake shoe brake cheek parts in relative one group correspondence position is fixed on forward and backward brake baffle equally.
The utility model is because of having the two brake equipments of failure-free, and its speed of a motor vehicle can corresponding improve 30%, and in running at high speed, if one road brake failure, another road can be braked at a high speed at any time, shortens stopping distance greatly, and good braking effect reduces the generation of traffic accident; Secondly, because double loop brake equipment chaufeur need be handled simultaneously with left and right pin, can keep one's balance, laborsaving not tired, this also is the strong guarantee that the minimizing accident takes place to a certain extent.
Description of drawings.
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model brake operation mechanism structure scheme drawing.
Fig. 3 is the utility model brake shoe brake cheek block construction scheme drawing.
Below will elaborate again to the utility model according to above-mentioned accompanying drawing.
As Figure 1-3, self-propelled vehicle double loop emergency brake device is to relate to the brake structure position at self-propelled vehicle to be provided with the double loop emergency brake device, to realize emergent two-way braking, improves the reliability and the safety of braking.Comprise and be installed in vehicle crossbeam (4) following front axle assy (6) and back axle assembly (14), front axle assy is provided with preceding brake baffle (16) and fore brake parts, back axle assembly is provided with back brake baffle (13) and back brake shoe brake cheek parts, brake operation mechanism is located in the operator's compartment, brake circuit mechanism is located on the crossbeam, and the brake shoe brake cheek parts are located in the forward and backward brake baffle.
Brake operation mechanism comprises and is located at the right crus of diaphragm brake pedal soldering member of being controlled by right crus of diaphragm in the operator's compartment (3A), it connects back power transmitter shaft (17), connect one group of bearing pin shifting block (18A) again by this axle, promote one group of piston push rod (19A), and drive fixing by one group of oil storage cylinder (2A) fuel feeding with one group of running-board bracket assembly set (1A).One group of master brake cylinder (20A) work, return the power transmitter shaft simultaneously and connect two groups of opening shape shifting blocks (18B) again, drive two groups of piston push rods (19B) so that by two groups of oil storage cylinders (2B) fuel feeding with the work of the fixing two groups of master brake cylinder (20B) of two groups of running-board bracket assembly sets (1B), the realization right crus of diaphragm is controlled and can be realized one, two group of master brake cylinder work simultaneously, and braking force is improved greatly.In operator's compartment, be provided with simultaneously left foot brake pedal soldering member (3B), it connects bearing pin dial sleeve (21), drive two group master brake cylinder (20B) work of two groups of piston push rods (19B) driving by two groups of oil storage cylinders (2B) fuel feeding, the realization left foot can only be controlled the braking function of two groups of master brake cylinder work.
One group of oil storage cylinder (2A) of brake circuit mechanism is located in the operator's compartment, be fixed on one group of running-board bracket assembly set (1A) on the operator's compartment base plate by one group of master brake cylinder (20A) of its fuel feeding, by coupled logical one group of brake pipe be installed in crossbeam on one group of vacuum intensifier (11A) on one group of safety cylinder (9A) communicate, by oil pipe be mounted on the back axle one group of oil pipe threeway (12A) with before, one group of brake cylinder (22A) of back axle brake shoe brake cheek parts is connected, and the electrical generator vacuum source (5) that is installed on the driving engine connects one group of vacuum gooster pump (10A) and one group of vacuum intensifier (11A) forms a booster brake loop by one group of vacuum lamp (7A) again to one group of vacuum cylinder (8A).On the operator's compartment base plate, be provided with simultaneously two groups of oil storage cylinders (2B), two groups of master brake cylinder (20B) by two groups of oil storage cylinder fuel feeding are fixed on two groups of running-board bracket assembly sets (1B), connect two groups of safety cylinderes (9B) on two groups of vacuum intensifiers (11B) by coupled two groups of logical brake pipes, and by two groups of oil pipe threeways (12B) with before, two groups of brake cylinders (20B) on the back axle brake shoe brake cheek parts are connected, and are connected to two group vacuum gooster pumps (10B) and two group vacuum intensifiers (11B) form another booster brake loop by two groups of vacuum lamps (7B) to two groups of vacuum cylinders (8B) through driving engine vacuum source (15).
The brake shoe brake cheek parts comprise be fixed on before, back brake baffle (16), (13) Nei brake shoe lining (25), be provided with one group of brake cylinder (22A), one group of brake shoe return spring (24A) and one group of opening shape chute (23A), and at relative one group correspondence position equally preceding, brake shoe lining (25) in the back brake baffle is provided with two groups of brake cylinders (22B), two groups of brake shoe return springs (24B) and two groups of opening shape chutes (23B), one, the setting of two groups of opening shape chutes be guarantee brake shoe brake cheek in braking procedure along required direction opening and closing and the controlled motion direction.
Dynamic structure of the present utility model is as follows: step on left and right foot brake pedal soldering member, make one, two group of bearing pin shifting block drive one, two group of piston push rod and then drive one, two group of master brake cylinder compression by returning the power transmitter shaft by one, two group of oil storage cylinder fuel feeding, make pipeline press to one, two group of brake cylinder, brake shoe brake cheek just opens along one, two group of opening shape chute, thereby reach the braking purpose, as remove the apply power of left and right pin to the brake pedal soldering member, brake shoe brake cheek just resets under the effect of one, two group of brake shoe return spring, and this moment, vehicle can continue to start operation.
The design in addition numbering principle of parts is: one group of the expression of label mantissa band " A " is parts in addition, and two groups of the expressions of label mantissa band " B " are parts in addition, and one group identical with two groups of structures, and all the other roughly the same.The secondary connection of bolt is arranged the mode that is connected and fixed or riveted connects or welding is fixing.
Claims (1)
1. self-propelled vehicle double loop emergency brake device, comprise and be installed in vehicle crossbeam (4) following front axle assy (6) and back axle assembly (14), preceding brake baffle (16) and fore brake parts are arranged on the front axle assy, back brake baffle (13) and back brake shoe brake cheek parts are arranged on the back axle assembly; Brake operation mechanism comprises that the right crus of diaphragm brake pedal soldering member (3A) that is located in the operator's compartment directly is connected with one group of bearing pin shifting block (18A), connects one group of piston push rod (19A) driving working with the fixing one group of master brake cylinder (20A) of one group of running-board bracket assembly set (1A) by one group of oil storage cylinder (2A) fuel feeding by this shifting block; Be located at brake circuit mechanism on the crossbeam and comprise one group of master brake cylinder (20A) by one group of oil storage cylinder (2A) fuel feeding, it is installed on one group of running-board bracket assembly set (1A) on the operator's compartment base plate, by coupled logical one group of brake pipe and the one group of vacuum gooster pump (10A) that is installed on the crossbeam, communicate with one group of vacuum intensifier (11A) and one group of safety cylinder (9A), be mounted in one group of oil pipe threeway (12A) on the back axle by oil pipe, and with preceding, one group of brake cylinder (22A) of back axle brake shoe brake cheek parts is connected, and the electrical generator vacuum source (5) that is installed on the driving engine connects one group of vacuum gooster pump (10A) and one group of vacuum intensifier (11A) forms a booster brake loop by one group of vacuum lamp (7A) again to one group of vacuum cylinder (8A); The brake shoe brake cheek parts comprise the brake shoe lining (25) that is fixed in forward and backward brake baffle (16), (13), are provided with one group of brake cylinder (22A), one group of brake shoe return spring (24A) and one group of opening shape chute (23A), it is characterized in that:
The right crus of diaphragm brake pedal soldering member (3A) of a. described brake operation mechanism connects back power transmitter shaft (17), connect one group of bearing pin shifting block (18A) again by this axle, promote one group master brake cylinder (20A) work of one group of piston push rod (19A) drive by one group of oil storage cylinder (2A) fuel feeding, return the power transmitter shaft simultaneously and connect two groups of opening shape shifting blocks (18B) again, promote two groups of piston push rods (19B) drive by two groups of oil storage cylinders (2B) fuel feeding with fixing two groups of master brake cylinder (20B) work of two groups of running-board bracket assembly sets (1B); Simultaneously be provided with left foot brake pedal soldering member (3B) in operator's compartment, it connects bearing pin dial sleeve (21), promotes two group master brake cylinder (20B) work of two groups of piston push rods (19B) drive by two groups of oil storage cylinders (2B) fuel feeding;
B. described brake circuit mechanism is included in the operator's compartment base plate and is provided with two groups of oil storage cylinders (2B), two groups of master brake cylinder (20B) by two groups of oil storage cylinder fuel feeding are installed on two groups of running-board bracket assembly sets (1B), connect two groups of safety cylinderes (9B) on two groups of vacuum gooster pumps (10B) and the two groups of vacuum intensifiers (11B) by coupled two groups of logical brake pipes, and by two groups of oil pipe threeways (12B) with before, two groups of brake cylinders (22B) on the back axle brake shoe brake cheek parts are connected, and are connected to two group vacuum gooster pumps (10B) and two group vacuum intensifiers (11B) form another booster brake loop by two groups of vacuum lamps (7B) to two groups of vacuum cylinders (8B) through driving engine vacuum source (15);
C. be provided with two groups of brake cylinders (22B), two groups of brake shoe return springs (24B) and two groups of opening shape chutes (23B) on the brake shoe lining (25) of described brake shoe brake cheek parts in relative one group correspondence position is fixed on forward and backward brake baffle (16), (13) equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97243129 CN2317138Y (en) | 1997-12-26 | 1997-12-26 | Two-loop emergency brake device for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97243129 CN2317138Y (en) | 1997-12-26 | 1997-12-26 | Two-loop emergency brake device for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2317138Y true CN2317138Y (en) | 1999-05-05 |
Family
ID=33952186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97243129 Expired - Fee Related CN2317138Y (en) | 1997-12-26 | 1997-12-26 | Two-loop emergency brake device for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2317138Y (en) |
-
1997
- 1997-12-26 CN CN 97243129 patent/CN2317138Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |