CN203063929U - Travel brake inertia brake device for tow truck - Google Patents
Travel brake inertia brake device for tow truck Download PDFInfo
- Publication number
- CN203063929U CN203063929U CN2012206036713U CN201220603671U CN203063929U CN 203063929 U CN203063929 U CN 203063929U CN 2012206036713 U CN2012206036713 U CN 2012206036713U CN 201220603671 U CN201220603671 U CN 201220603671U CN 203063929 U CN203063929 U CN 203063929U
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- Prior art keywords
- brake
- sleeve
- draw bar
- main body
- adapter plate
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- Expired - Fee Related
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- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses a travel brake inertia device for a tow truck. The travel brake inertia device for the tow car comprises a brake bar, a front sleeve, a rear sleeve, a front buffer spring, a rear buffer spring, an adjusting nut, an outer locking thread bushing, a locking nut, an adjusting shaft sleeve, a plunger rod, a brake main pump, a draw bar main body, an oil cup, an oil inlet tube, an oil outlet pipe, a brake slave pump, supporting legs, an auxiliary draw handrail, a rear sleeve mounting plate and a main pump mounting plate. The brake bar is placed inside the draw bar body, the front sleeve, the rear sleeve, the front buffer spring and the rear buffer spring are sleeved on the brake bar respectively, the rear sleeve mounting plate and the main pump mounting plate are mounted at the front end of the draw bar main body and inside the middle portion of the draw bar main body respectively, the adjusting nut is connected with the brake bar in a screwing mode, the adjusting sleeve is sleeved on the plunger rod, the plunger rod is sleeved in the main pump mounting plate, and the oil inlet tube is connected with the brake main pump. The travel brake inertia device for the tow truck is simple in structure, no gas circuit source or oil circuit output source is supplied by a motor tractor, when the tow truck is braked or decelerated, the tow truck is prevented from knocking or running into the motor tractor. Therefore, potential safety hazards are eliminated.
Description
Technical field
The utility model relates to brake gear, is specifically related to a kind of trailer service brake inertia brake device.
Background technology
The train that tractor truck and flat-bed trailer are formed efficient in the short distance carrying is higher, its in the warehouse, material handling places such as station, airport, harbour, factory have obtained widespread use.When the goods of trailer delivery was heavier, if tractor truck speed change or brake, heavier collision can take place in trailer and tractor truck, brings potential safety hazard.General terms of settlement is to install at flat-bed trailer that gas is stopped or oil is stopped, but no matter the gas general oil of stopping is still stopped, and all needs tractor truck to reserve gas circuit or oil circuit for the flat-bed trailer use in advance, and tractor truck has been proposed specific (special) requirements.
Summary of the invention
The purpose of this utility model is to provide a kind of trailer service brake inertia brake device, having solved does not need tractor truck that any gas circuit or oil circuit output source is provided, when the brake of the tractor truck of front or when slowing down, the flat-bed trailer of back can be followed brake or deceleration problem, avoid trailer and tractor truck generation greater impact or collision, eliminate safe hidden trouble.
The technical solution of the utility model is: a kind of trailer comprises brake rod, front sleeve, back sleeve, preceding recoil spring, back recoil spring, adjusts nut, stop external thread sleeve, block nut, adjustment axle sleeve, plunger rod, brake main pump, draw bar main body, lubricating cup, oil inlet, oil outlet pipe, brake cylinder, feet, auxiliary traction handrail, back sleeve adapter plate, main pump adapter plate and stop nut with service brake inertia brake device.
Described draw bar main body is Π shape structure, and front and back respectively have a circular hole on the draw bar main body upper wall, and preceding hole can be used for the operation block nut, and the metapore lubricating cup places on this circular hole by the screw thread captive joint; Back sleeve adapter plate, main pump adapter plate are welded on draw bar main body inboard, and back sleeve adapter plate, main pump adapter plate have through hole and coaxial with draw bar body front wall center;
Described brake rod is straight-bar, one end has screw thread, the brake rod thread end is inserted in the draw bar main body by draw bar body front wall centre hole, stop nut and back sleeve adapter plate centre hole, half places the draw bar main body brake rod, second half places outside the draw bar main body, 1/2 place of stop nut between draw bar body front wall and back sleeve adapter plate is by being threaded on the brake rod;
Preceding recoil spring is sleeved on the brake rod 1 in the draw bar main body outside, front sleeve is the tubular structure of an end closure, there is through hole at the sealing end center, front sleeve is sleeved on the preceding recoil spring, front sleeve and draw bar body front wall are bolted to connection, back recoil spring is sleeved on the brake rod of draw bar main body inboard, adjusting nut is threaded with the brake rod thread end, back sleeve set is on the recoil spring of back, back sleeve one end is bolted to connection with back sleeve adapter plate, the other end and the welding of stop external thread sleeve;
The main pump adapter plate is welded in the middle part of draw bar main body inboard, and there is through hole at main pump adapter plate center, and coaxial with back sleeve adapter plate central through hole, draw bar body front wall central through hole, front sleeve sealing end central through hole;
Block nut is sleeved on the brake rod of draw bar main body inboard and with the stop external thread sleeve and is threaded;
Adjusting axle sleeve is that an end has negative thread, and the other end has externally threaded tubular spare, and the brake rod of draw bar main body inboard is pegged graft with the male end of adjusting axle sleeve, and the female end of adjusting axle sleeve is connected with the plunger rod threaded one end; Brake rod and plunger rod spacing distance in adjusting axle sleeve is 2～8 millimeters;
The other end of plunger rod passes through hole and the plunger hole on the brake main pump at main pump adapter plate center and pegs graft;
Brake main pump and main pump adapter plate are by bolt, and the plunger hole on the brake main pump is coaxial with the through hole at main pump adapter plate center;
Lubricating cup places on the circular hole of draw bar main body by the screw thread captive joint;
Oil inlet one end is connected on the lubricating cup oil outlet, and an end is connected on the oil inlet of brake main pump, and oil outlet pipe one end is connected on the oil outlet of brake main pump, and an end is connected on the brake cylinder.Brake cylinder is installed in the drg.Feet is welded on draw bar body front end downside.The auxiliary traction handrail is welded on draw bar body front end both sides.
The invention has the beneficial effects as follows: the invention provides a kind of simple in structure, compact in design, the brake gear of self-organizing system, do not need tractor truck that any gas circuit or oil circuit output source is provided, when the brake of the tractor truck of front or when slowing down, can move forward and backward under the effect of external force by the brake rod in the draw bar main body, the flat-bed trailer of back can be followed brake by service brake inertia brake device of the present invention or be slowed down, avoid trailer and tractor truck generation greater impact or collision, eliminate safe hidden trouble, can be in the warehouse, the station, the airport, harbour, be used widely on the material handling place trailers such as factory.
Description of drawings
Fig. 1 is the structural representation that a kind of trailer is used service brake inertia brake device;
Fig. 2 is a kind of trailer service brake inertia brake device I structural representation;
Fig. 3 is the birds-eye view that a kind of trailer is used service brake inertia brake device.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of trailer comprises brake rod 1, front sleeve 2, back sleeve 3, preceding recoil spring 4, back recoil spring 5, adjusts nut 6, stop external thread sleeve 7, block nut 8, adjustment axle sleeve 9, plunger rod 10, brake main pump 11, draw bar main body 12, lubricating cup 13, oil inlet 14, oil outlet pipe 15, brake cylinder 16, feet 17, auxiliary traction handrail 18, back sleeve adapter plate 19, main pump adapter plate 20 and stop nut 21 with service brake inertia brake device.
Brake rod is straight-bar, and an end has screw thread, and the brake rod thread end is passed through, and half places the draw bar main body brake rod, and second half places outside the draw bar main body;
Draw bar main body 12 is Π shape structure, 1/3 place near limiting stopper on draw bar main body 12 upper walls has a circular hole as action pane, the other end has a circular hole, is used for the installation of lubricating cup 13, and back sleeve adapter plate 19 has through hole and coaxial with draw bar main body 12 antetheca centers; Brake rod 1 is straight-bar, one end has screw thread, brake rod 1 thread end is inserted in the draw bar main body by draw bar body front wall centre hole, stop nut and back sleeve adapter plate centre hole, half places draw bar main body 12 brake rod 1, second half places outside the draw bar main body 12,1/2 place of stop nut 21 between draw bar main body 12 antethecas and back sleeve adapter plate 19 is by being threaded on the brake rod 1; Preceding recoil spring 4 is sleeved on the brake rod 1 in draw bar main body 12 outsides, front sleeve 2 is the tubular spare of an end closure, there is through hole at the sealing end center, front sleeve 2 is sleeved on the preceding recoil spring 4, front sleeve 2 is bolted to connection with draw bar main body 12 antethecas, back recoil spring 5 is sleeved on the brake rod 1 of draw bar main body 12 inboards, adjusting nut 6 is threaded with brake rod 1 thread end, back sleeve 3 is sleeved on the recoil spring 5 of back, back sleeve 3 one ends are bolted to connection with back sleeve adapter plate 19, the other end and 7 welding of stop external thread sleeve; Main pump adapter plate 20 is welded in the middle part of draw bar main body 12 inboards, and there is through hole at main pump adapter plate 20 centers, and coaxial with limiting stopper central through hole front sleeve 2 sealing end central through holes with back sleeve adapter plate 19; Block nut 8 is sleeved on the brake rod 1 of draw bar main body 12 inboards and with stop external thread sleeve 7 and is threaded; Adjusting axle sleeve 9 is that an end has negative thread, and the other end has externally threaded tubular spare, and the brake rod 1 of draw bar main body 12 inboards is pegged graft with the male end of adjusting axle sleeve 9, and the female end of adjusting axle sleeve 9 is connected with plunger rod 10 threaded one ends; Brake rod 1 and plunger rod 10 5 millimeters of spacing distances in adjusting axle sleeve 9, the other end of plunger rod 10 passes through hole and the grafting of the plunger hole on the brake main pump 11 at main pump adapter plate 20 centers; Brake main pump 11 passes through bolt with main pump adapter plate 20, and the plunger hole on the brake main pump 11 is coaxial with the through hole at main pump adapter plate 20 centers.Oil inlet 14 1 ends are connected on lubricating cup 13 oil outlets, and an end is connected on the oil inlet of brake main pump 11, and oil outlet pipe 15 1 ends are connected on the oil outlet of brake main pump 11, and an end is connected on the brake cylinder 16.Brake cylinder 16 is installed in the drg.Feet 17 is welded on draw bar main body 12 front end downsides.Auxiliary traction handrail 18 is welded on draw bar main body 12 front end both sides.
Working process:
When tractor truck was normally driven a vehicle, it is fixing that block nut 8 is threaded with the male end of adjusting axle sleeve 9, and brake rod 1 can move forward and backward under the effect of external force; When the tractor truck service brake, the back trailer is owing to inertia continues to overtake, brake rod 1 is under the buffer action of preceding recoil spring 4, slowly answer back to plunger rod 10 backward, make the hydraulic oil in the brake main pump 11 enter into brake cylinder 16 by oil outlet pipe 15, brake wheel plays brake action thereby brake cylinder 16 opens drive; When the tractor truck breakdown trailer, when needing reversing, be that action pane screws down from adjusting axle sleeve 9 with block nut 8 by the circular hole on the draw bar main body 12, and be screwed on the stop external thread sleeve 7 fixing.Brake rod 1 pushes up backward when moveing backward, and is one owing to adjustment nut 6 is spirally connected with brake rod 1, adjusts and just can't draw back after nut 6 pushes up on the block nut 8, the triggering brake so can't answer back to brake main pump 11.When tractor truck starts driving, driving brake rod 1 moves forward, under the pressure buffer of back recoil spring 5, can avoid brake rod 1 to move and bring impact too rapidly, this moment, brake rod 1 separated with plunger rod 10, plunger rod 10 automatically resets by the spring of brake main pump 11 inside, and brake off can normally be driven a vehicle.
Lubricating cup 13 can replenish brake solution by oil inlet 14 as fuel accumulator in trend brake main pump 11.
Claims (3)
1. a trailer is with service brake inertia brake device, it is characterized in that comprising brake rod (1), front sleeve (2), back sleeve (3), preceding recoil spring (4), back recoil spring (5), adjust nut (6), stop external thread sleeve (7), block nut (8), adjust axle sleeve (9), plunger rod (10), brake main pump (11), draw bar main body (12), lubricating cup (13), oil inlet (14), oil outlet pipe (15), brake cylinder (16), feet (17), auxiliary traction handrail (18), back sleeve adapter plate (19), main pump adapter plate (20) and stop nut (21); Draw bar main body (12) is " Π " shape structure, and front and back respectively have a circular hole on draw bar main body (12) upper wall, and preceding hole can be used for operation block nut (8), and metapore lubricating cup (13) places on this circular hole by the screw thread captive joint; Back sleeve adapter plate (19), main pump adapter plate (20) are welded on draw bar main body (12) inboard, and back sleeve adapter plate (19), main pump adapter plate (20) have through hole and coaxial with draw bar main body (12) antetheca center; Brake rod (1) is straight-bar, one end has screw thread, brake rod (1) thread end is inserted in the draw bar main body (12) by stop nut (21) and back sleeve adapter plate (19) centre hole, and half places draw bar main body (12) brake rod (1), and second half places outside the draw bar main body (12); Preceding recoil spring (4) is sleeved on the brake rod (1) in draw bar main body (12) outside, front sleeve (2) is the tubular structure of an end closure, there is through hole at the sealing end center, front sleeve (2) is sleeved on the preceding recoil spring (4), front sleeve (2) is bolted to connection with draw bar main body (12) antetheca, back recoil spring (5) is sleeved on the inboard brake rod (1) of draw bar main body (12), adjusting nut (6) is threaded with brake rod (1) thread end, back sleeve (3) is sleeved on the back recoil spring (5), back sleeve (3) one ends are bolted to connection with back sleeve adapter plate (19), the other end and stop external thread sleeve (7) welding; Main pump adapter plate (20) is welded in the inboard middle part of draw bar main body (12), and there is through hole at main pump adapter plate (20) center, and coaxial with back sleeve adapter plate (19) and draw bar main body (12) antetheca central through hole, front sleeve (2) sealing end central through hole; Block nut (8) is sleeved on the inboard brake rod (1) of draw bar main body (12) and upward and with stop external thread sleeve (7) is threaded; Adjusting axle sleeve (9) is that an end has negative thread, the other end has externally threaded tubular spare, the inboard brake rod (1) of draw bar main body (12) is pegged graft with the male end of adjusting axle sleeve (9), and the female end of adjusting axle sleeve (9) is connected with plunger rod (10) threaded one end; The other end of plunger rod (10) passes through hole and the plunger hole on the brake main pump (11) at main pump adapter plate (20) center and pegs graft; Brake main pump (11) passes through bolt with main pump adapter plate (20), and the plunger hole on the brake main pump (11) is coaxial with the through hole at main pump adapter plate (20) center; Oil inlet (14) one ends are connected on lubricating cup (13) oil outlet, and an end is connected on the oil inlet of brake main pump (11), and oil outlet pipe (15) one ends are connected on the oil outlet of brake main pump (11), and an end is connected on the brake cylinder (16); Feet (17) is welded on draw bar main body (12) front end downside; Auxiliary traction handrail (18) is welded on draw bar main body (12) front end both sides.
2. a kind of trailer according to claim 1 is characterized in that with service brake inertia brake device: described brake rod (1) and plunger rod (10) 2～8 millimeters of spacing distances in adjusting axle sleeve (9).
3. a kind of trailer according to claim 1 is with service brake inertia brake device, it is characterized in that: described stop nut (21) is positioned at 1/2 place between draw bar main body (12) antetheca and the back sleeve adapter plate (19), by being threaded on the brake rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206036713U CN203063929U (en) | 2012-11-13 | 2012-11-13 | Travel brake inertia brake device for tow truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206036713U CN203063929U (en) | 2012-11-13 | 2012-11-13 | Travel brake inertia brake device for tow truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203063929U true CN203063929U (en) | 2013-07-17 |
Family
ID=48762747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206036713U Expired - Fee Related CN203063929U (en) | 2012-11-13 | 2012-11-13 | Travel brake inertia brake device for tow truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203063929U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786705A (en) * | 2014-02-26 | 2014-05-14 | 王瑞明 | Independent brake of trailer |
| CN103832509A (en) * | 2014-02-19 | 2014-06-04 | 湖州东方汽车有限公司 | Four-wheel steering flat trailer |
| GB2551313A (en) * | 2016-05-31 | 2017-12-20 | Tbd (Owen Holland) Ltd | Over-run braking mechanism |
| CN111038467A (en) * | 2019-11-12 | 2020-04-21 | 中国人民解放军海军工程大学 | Platform trailer adopting hydraulic braking mechanism and braking method |
| CN113232466A (en) * | 2021-05-21 | 2021-08-10 | 福建盛海智能科技有限公司 | Trailer collision brake |
| CN113423640A (en) * | 2019-01-07 | 2021-09-21 | 印度商宜诺摩托克普有限公司 | Parking brake system with side bracket |
-
2012
- 2012-11-13 CN CN2012206036713U patent/CN203063929U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832509A (en) * | 2014-02-19 | 2014-06-04 | 湖州东方汽车有限公司 | Four-wheel steering flat trailer |
| CN103786705A (en) * | 2014-02-26 | 2014-05-14 | 王瑞明 | Independent brake of trailer |
| GB2551313A (en) * | 2016-05-31 | 2017-12-20 | Tbd (Owen Holland) Ltd | Over-run braking mechanism |
| GB2551313B (en) * | 2016-05-31 | 2018-09-12 | Tbd Owen Holland Ltd | Over-run braking mechanism |
| CN113423640A (en) * | 2019-01-07 | 2021-09-21 | 印度商宜诺摩托克普有限公司 | Parking brake system with side bracket |
| CN113423640B (en) * | 2019-01-07 | 2023-02-28 | 印度商宜诺摩托克普有限公司 | Parking brake system with side bracket |
| CN111038467A (en) * | 2019-11-12 | 2020-04-21 | 中国人民解放军海军工程大学 | Platform trailer adopting hydraulic braking mechanism and braking method |
| CN111038467B (en) * | 2019-11-12 | 2021-01-15 | 中国人民解放军海军工程大学 | Platform trailer adopting hydraulic braking mechanism and braking method |
| CN113232466A (en) * | 2021-05-21 | 2021-08-10 | 福建盛海智能科技有限公司 | Trailer collision brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20131113 |