CN2378252Y - Auxiliary emergency braker - Google Patents
Auxiliary emergency braker Download PDFInfo
- Publication number
- CN2378252Y CN2378252Y CN 99209891 CN99209891U CN2378252Y CN 2378252 Y CN2378252 Y CN 2378252Y CN 99209891 CN99209891 CN 99209891 CN 99209891 U CN99209891 U CN 99209891U CN 2378252 Y CN2378252 Y CN 2378252Y
- Authority
- CN
- China
- Prior art keywords
- brake
- brake shoe
- cheek
- shoe
- carrier
- 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 discloses an auxiliary emergency brake. The auxiliary emergency brake is composed of a friction block and a brake shoe lifting device. The friction block is connected with a brake shoe base. A friction surface medium is changed through the direct contact friction of the friction block of the brake shoe base and the ground or a rail. A friction factor is increased, and friction area is enlarged. Friction force is enlarged to reach the goal of emergency brake. The structure of the auxiliary emergency brake is adopted, so the utility model has simpler structure and enhances the safety of airplanes, trains, and automobiles.
Description
The utility model relates to a kind of brake equipment, and is particularly a kind of by producing the additional emergency braking device of huge friction force with ground or rail direct friction.
At present, the braking of the automobile of the train of walking on rail, walking on the ground and the aircraft of alighting run all is to brake by the rotation of brake hub, because the area of contact of wheel and ground or rail is less, the friction force that produces is not enough to reach the purpose of emergency braking in short range, thereby cause many accidents, fly off the runway as aircraft, winding dangerous road main brake lost efficacy and to have an accident, and express highway is got on the car and knocked into the back and the phenomenons such as vehicle slip of ice and snow road.
The additional emergency braking device that the purpose of this utility model is to provide a kind of friction shoe of brake shoe brake cheek can be directly to rub with ground or rail.
The purpose of utility model is to realize by the additional emergency braking device of following structure, and the additional emergency braking device of guideway vehicle is equipped with jacking system under its chassis, and the lower end of jacking system is equipped with friction shoe 6.Jacking system is by being installed in mounting bracket 1 under the chassis, being installed in the active brake shoe brake cheek a on the mounting bracket 1, driven brake shoe brake cheek b and forming.The brake shoe carrier 7 of driven brake shoe brake cheek b is sleeved in the brake shoe brake cheek installation sleeve 8, and brake shoe carrier 7 is connected by the bolt 10 that is set with retracing spring 9 with brake shoe brake cheek installation sleeve 8, and support arm 5 is affixed with brake shoe carrier 7, and the bottom of brake shoe carrier 7 is equipped with friction shoe 6.Initiatively the brake shoe carrier 7 of brake shoe brake cheek a is sleeved in the brake shoe brake cheek installation sleeve 8, brake shoe carrier 7 is connected by the bolt 10 that is set with retracing spring 9 with brake shoe brake cheek installation sleeve 8, initiatively the support arm 2 of brake shoe brake cheek a is affixed with the piston 12 that is sleeved in cylinder or the oil cylinder 11, or it is affixed with the nut push rod 14 in the medium pore that is sleeved on brake shoe carrier 7 and brake shoe brake cheek installation sleeve 8, helical screw 15 is set in the lower end screw of nut push rod 14, the bottom of brake shoe carrier 7 is equipped with friction shoe 6, and driving gear set 16 is installed in the brake shoe carrier 7, electrical motor 17 and draw key transmission system 13 or electromagnetism shift fork transmission system 18 or worm screw transmission system 19.Initiatively brake shoe brake cheek a is by lever 3 hinged one or two driven brake shoe brake cheek b, or adorn an initiatively brake shoe brake cheek a separately, lever 3 one ends that are articulated in free bearing 4 are hinged with the support arm 5 of support arm 2, the other end and the driven brake shoe brake cheek b of active brake shoe brake cheek a, and the bolt 10 that initiatively is set with retracing spring 9 between the brake shoe carrier 7 of brake shoe brake cheek a and the fixed mount 8 has 4-10.The additional emergency braking device of ground running instrument, its jacking system is made up of the flexible push arm 23 and the flexible brace 24 that are articulated on free bearing 22 and the free bearing 25, flexible push arm 23 1 ends and free bearing 22 are hinged, the other end and flexible brace 24 are hinged, flexible brace 24 1 ends and free bearing 25, the other end and brake shoe carrier 7 are hinged, and the bottom of brake shoe carrier 7 is equipped with friction shoe 6, and flexible push arm 23 links to each other with two free bearings to hold with flexible brace 24 shock absorption device is installed.Hydraulic piston mechanism or pneumaticpiston mechanism or electric screw transfer bar mechanism are adopted in flexible push arm 23 and flexible brace 24.
The utility model adopts friction shoe and the brake shoe brake cheek jacking system thereof that links to each other with brake shoe carrier, direct and ground or rail contact friction by the friction shoe of brake shoe carrier, change the friction face medium, improve friction coefficient and enlarge frictional area, increased friction force, thereby reach the purpose of emergency braking, structure is comparatively simple, can be widely used in the emergency braking in railway, highway and air transportation field.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is three brake shoe brake cheek structural representations of rail vehicle additional emergency brake system;
Fig. 2 is the structural representation of the driven brake shoe brake cheek b of Fig. 1;
Fig. 3, Fig. 4, Fig. 5, Fig. 6 are the structural representations of the active brake shoe brake cheek a of Fig. 1;
Fig. 7 is two brake shoe brake cheek structural representations of rail vehicle additional emergency brake system;
Fig. 8 is single brake shoe brake cheek structural representation of rail vehicle additional emergency brake system;
Fig. 9, Figure 10 are the structural representations of the additional emergency brake system of ground running instrument.
As seen from Figure 1, mounting bracket 1, free bearing 4 are packed under the chassis, and initiatively brake shoe brake cheek a, driven brake shoe brake cheek b are installed in respectively on the mounting bracket 1, and it is hinged with the support arm 5 of support arm 2, the other end and the driven brake shoe brake cheek b of active brake shoe brake cheek a that lever 3 is walked around free bearing 4 one ends.Obviously, initiatively brake shoe brake cheek a can use separately also and can be used in combination with 1-2 driven brake shoe brake cheek b by lever 3.
As seen from Figure 2, the brake shoe carrier 7 of driven brake shoe brake cheek b is sleeved in the brake shoe brake cheek installation sleeve 8, brake shoe carrier 7 is connected by the bolt 10 that is set with retracing spring 9 with brake shoe brake cheek installation sleeve 8, and support arm 5 is affixed with brake shoe carrier 7, and the bottom of brake shoe carrier 7 is equipped with friction shoe 6.
As seen from Figure 3, initiatively the brake shoe carrier 7 of brake shoe brake cheek a is sleeved in the brake shoe brake cheek installation sleeve 8, brake shoe carrier 7 is connected by the bolt 10 that is set with retracing spring 9 with brake shoe brake cheek installation sleeve 8, initiatively the support arm 2 of brake shoe brake cheek a installs with the piston 12 that is sleeved in the cylinder 11, the bottom of cylinder or oil cylinder 11 is provided with porthole or throttle, and the bottom of brake shoe carrier 7 is equipped with friction shoe 6.
As seen from Figure 4, initiatively the brake shoe carrier 7 of brake shoe brake cheek a is sleeved in the brake shoe brake cheek installation sleeve 8, nut push rod 14 is sleeved in the medium pore of brake shoe carrier 7 and brake shoe brake cheek installation sleeve 8, helical screw 15 is set in the lower end screw of nut push rod 14, the bottom of brake shoe carrier 7 is equipped with friction shoe 6, is equipped with in the described brake shoe carrier 7 to draw key transmission system 13, driving gear set 16 and electrical motor 17.
As seen from Figure 5, initiatively the brake shoe carrier 7 of brake shoe brake cheek a is sleeved in the brake shoe brake cheek installation sleeve 8, nut push rod 14 is sleeved in the medium pore of brake shoe carrier 7 and brake shoe brake cheek installation sleeve 8, helical screw 15 is set in the lower end screw of nut push rod 14, the bottom of brake shoe carrier 7 is equipped with friction shoe 6, and electromagnetism shift fork transmission system 18 driving gear set 16 and electrical motor 17 are installed in the described brake shoe carrier 7.
As seen from Figure 6, initiatively the brake shoe carrier 7 of brake shoe brake cheek a is sleeved in the brake shoe brake cheek installation sleeve 8, nut push rod 14 is sleeved in the medium pore of brake shoe carrier 7 and brake shoe brake cheek installation sleeve 8, helical screw 15 is set in the lower end screw of nut push rod 14, the bottom of brake shoe carrier 7 is equipped with friction shoe 6, and worm screw transmission system 19, driving gear set 16 and the electrical motor 17 of charged magnetic push button 20 is installed in the described brake shoe carrier 7.
As seen from Figure 7, the two that is installed in the erecting frame 21 on the car beam installs initiatively brake shoe brake cheek a and driven brake shoe brake cheek b respectively, walks around lever 3 one ends of free bearing 4 and the support arm 2 of active brake shoe brake cheek a, and the support arm 5 of the other end and driven brake shoe brake cheek b is hinged.
As seen from Figure 8, be installed in and install initiatively brake shoe brake cheek a on the erecting frame 21 on the car beam.
When the emergency braking of guideway vehicle, as shown in Figure 3, the cylinder of brake shoe brake cheek a initiatively or the oil pressure in the oil cylinder 11 or air pressure are increased, brake shoe carrier moves downward to rail under air pressure or oil pressure effect, support arm 2 upward movements affixed with piston 12.By Fig. 4, Fig. 5, Fig. 6 as can be known, glancing impact, initiatively electrical motor 17 energisings of brake shoe brake cheek a are rotated, thereby and pass through driving gear set 16 and draw key transmission system 13 or electromagnetism shift fork transmission system 18 or worm screw transmission system 19 to make helical screw 15 rotate promotion nut push rods 14 upward movements, with support arm 2 upward movements of the affixed active brake shoe brake cheek a of nut push rod 14, brake shoe carrier 7 moves downward to rail under the counteraction of nut push rod 14.As can be seen from Figure 1, in support arm 2 upward movement processes, make with the driven brake shoe brake cheek b of lever 3 other end pivotallys attached to move downward to contacting with rail; Because the friction shoe 6 of three brake shoe carrier bottoms contacts with rail simultaneously, increased friction force with rail, thereby reach the purpose of emergency braking, the size of brake shoe pressure is by air pressure, oil pressure or motor and transmission system control, during brake off, brake shoe carrier is resetted in the effect of brake-shoe return spring 9.Same Fig. 1 of principle of work of Fig. 7 Fig. 8 embodiment.
Can find out by Fig. 9, Figure 10, free bearing 22 and free bearing 25 are installed under the chassis, flexible push arm 23 1 ends and free bearing 22 are hinged, the other end and flexible brace 24 are hinged, flexible brace 24 1 ends and free bearing 25, the other end and brake shoe carrier 7 are hinged, and the bottom of brake shoe carrier 7 is equipped with friction shoe 6, and flexible push arm 23 links to each other with two free bearings to hold with flexible brace 24 shock absorption device is installed.Hydraulic piston mechanism or pneumaticpiston mechanism or electric screw transfer bar mechanism are adopted in flexible push arm 23 and flexible brace 24.When the palpus emergency braking, telescopic boom makes flexible push arm 23 elongations under hydraulic pressure or air pressure or electrodynamic action, flexible brace 24 anti-clockwise rotations of promotion also move downward, and flexible brace 24 elongations make brake shoe brake cheek move downward to ground and pressure boost, produce friction force.During brake off, flexible push arm 23 and flexible brace 24 are shunk brake shoe brake cheek is resetted.
The utility model is not limited to above-mentioned embodiment; no matter on shape or structure, do any variation, everyly all drop within the protection domain of the present utility model by the additional emergency brake system that utilizes brake shoe brake cheek and ground or rail direct contact to produce braking effect.
Claims (5)
1, a kind of additional emergency braking device, it comprises friction shoe (6), it is characterized in that: under the chassis jacking system is installed, the lower end of jacking system is equipped with friction shoe (6).
2, according to the described additional emergency braking device of claim 1, it is characterized in that: jacking system is by the mounting bracket (1) that is installed under the chassis, be installed in the active brake shoe brake cheek a on the mounting bracket (1), driven brake shoe brake cheek b forms, the brake shoe carrier of driven brake shoe brake cheek b (7) is sleeved in the brake shoe brake cheek installation sleeve (8), brake shoe carrier (7) is connected by the bolt (10) that is set with retracing spring (9) with brake shoe brake cheek installation sleeve (8), support arm (5) is affixed with brake shoe carrier (7), the bottom of brake shoe carrier (7) is equipped with friction shoe (6), initiatively the brake shoe carrier (7) of brake shoe brake cheek a is sleeved in the brake shoe brake cheek installation sleeve (8), brake shoe carrier (7) is connected by the bolt (10) that is set with retracing spring (9) with brake shoe brake cheek installation sleeve (8), initiatively the support arm (2) of brake shoe brake cheek a is affixed with the piston (12) that is sleeved in cylinder or the oil cylinder (11), or it is affixed with the nut push rod (14) in the medium pore that is sleeved on brake shoe carrier (7) and brake shoe brake cheek installation sleeve (8), helical screw (15) is set in the lower end screw of nut push rod (14), the bottom of brake shoe carrier (7) is equipped with friction shoe (6), and driving gear set (16) is installed in the brake shoe carrier (7), electrical motor (17) and draw key transmission system (13) or electromagnetism shift fork transmission system (18) or worm screw transmission system (19).
3, according to the described additional emergency braking device of claim 2, it is characterized in that: initiatively brake shoe brake cheek a is by hinged one or two the driven brake shoe brake cheek b of lever (3), or adorn an initiatively brake shoe brake cheek a separately, lever (3) one ends that are articulated in free bearing (4) are hinged with the support arm (5) of support arm (2), the other end and the driven brake shoe brake cheek b of active brake shoe brake cheek a, and the bolt (10) that initiatively is set with retracing spring (9) between the brake shoe carrier (7) of brake shoe brake cheek a and the brake shoe brake cheek installation sleeve (8) has 4-10.
4, according to the described additional emergency braking device of claim 1, it is characterized in that: jacking system is made up of the flexible push arm (23) and the flexible brace (24) that are articulated on free bearing (22) and the free bearing (25), flexible push arm (23) one ends and free bearing (22) are hinged, the other end and flexible brace (24) are hinged, flexible brace (24) one ends and free bearing (25), the other end and brake shoe carrier (7) are hinged, the bottom of brake shoe carrier (7) is equipped with friction shoe (6), and flexible push arm (23) links to each other with two free bearings to hold with flexible brace (24) shock absorption device is installed.
5, according to the described additional emergency braking device of claim 4, it is characterized in that: hydraulic piston mechanism or pneumaticpiston mechanism or electric screw transfer bar mechanism are adopted in flexible push arm (23) and flexible brace (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99209891 CN2378252Y (en) | 1999-05-02 | 1999-05-02 | Auxiliary emergency braker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99209891 CN2378252Y (en) | 1999-05-02 | 1999-05-02 | Auxiliary emergency braker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2378252Y true CN2378252Y (en) | 2000-05-17 |
Family
ID=34003257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99209891 Expired - Fee Related CN2378252Y (en) | 1999-05-02 | 1999-05-02 | Auxiliary emergency braker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2378252Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941421A (en) * | 2010-08-02 | 2011-01-12 | 柯海水 | Train brake device capable of braking rapidly |
| CN108450198A (en) * | 2018-05-17 | 2018-08-28 | 太原师范学院 | A kind of intelligent greenhouse integral system based on facility fruits and vegetables |
| CN110936975A (en) * | 2019-12-20 | 2020-03-31 | 江山根咯科技有限公司 | Auxiliary braking device for railway |
| CN112937627A (en) * | 2021-04-09 | 2021-06-11 | 扎赉诺尔煤业有限责任公司 | Hydraulic band-type brake device for switch train of fully mechanized caving face |
| CN114291046A (en) * | 2021-11-30 | 2022-04-08 | 中国煤炭科工集团太原研究院有限公司 | Emergency braking device and vehicle |
-
1999
- 1999-05-02 CN CN 99209891 patent/CN2378252Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941421A (en) * | 2010-08-02 | 2011-01-12 | 柯海水 | Train brake device capable of braking rapidly |
| CN108450198A (en) * | 2018-05-17 | 2018-08-28 | 太原师范学院 | A kind of intelligent greenhouse integral system based on facility fruits and vegetables |
| CN110936975A (en) * | 2019-12-20 | 2020-03-31 | 江山根咯科技有限公司 | Auxiliary braking device for railway |
| CN110936975B (en) * | 2019-12-20 | 2021-01-05 | 衡东县振泰机械有限公司 | Auxiliary braking device for railway |
| CN112937627A (en) * | 2021-04-09 | 2021-06-11 | 扎赉诺尔煤业有限责任公司 | Hydraulic band-type brake device for switch train of fully mechanized caving face |
| CN112937627B (en) * | 2021-04-09 | 2023-11-10 | 扎赉诺尔煤业有限责任公司 | Hydraulic band-type brake device for fully-mechanized caving face switch train |
| CN114291046A (en) * | 2021-11-30 | 2022-04-08 | 中国煤炭科工集团太原研究院有限公司 | Emergency braking device and vehicle |
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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 |