CN201214448Y

CN201214448Y - Cargo trailer actuating unit

Info

Publication number: CN201214448Y
Application number: CNU2008200631367U
Authority: CN
Inventors: 张存福
Original assignee: CHENGDU AIRPORT MINGJIE AVIATION SERVICES Co Ltd
Current assignee: CHENGDU AIRPORT MINGJIE AVIATION SERVICES Co Ltd
Priority date: 2008-04-23
Filing date: 2008-04-23
Publication date: 2009-04-01
Anticipated expiration: 2018-04-23

Abstract

The utility model relates to an actuating unit of a cargo trailer used in bulk cargo transportation places in an airport and other occasions. The unit comprises a steering mechanism and a braking mechanism connected with the trailer; the braking mechanism consists of a tow bar (1), an expandable front brake lever (2), a cross connecting block (3), a universal leaf (4), a limit block (5), a rear brake lever (6), a frame pin plate (7), a brake cross beam (8) and a brake block (9); the steering mechanism consists of the tow bar (1), a front wheel cross beam (11), a front steering link (12), a front steering pin shaft (13), a rear steering link (14) and rear steering pin plates (15, 16). With the brake mechanism and the steering mechanism, the actuating unit has the advantages of reliable braking, elimination of hidden danger, reduction of the minimum turning radius of the trailer, flexible operation, convenient use and maintenance, and improvement of the working efficiency of the users.

Description

Goods towed vehicle executive device

Technical field

The utility model relates to the goods towed vehicle that a kind of airport and other place loose cargo transport are used, especially a kind of goods towed vehicle executive device.

Technical background

The a large amount of trailers that use by the traction of power headstock in the place of domestic airport, Railway station and other items turnover at present, its steering hardware adopts draw bar rear portion bearing pin to realize by connecting rod direct pull wheel shaft more.Because the restriction of scantling of structure, the turn inside diameter radius of using this structure fabrication is big, move dumb, hour operation inconvenience of place of particularly ought travelling, work efficiency reduction.Existing trailer braking protection valve mechanism adopts the fixed type arm-tie to transmit braking force, and this structural principle is unreasonable, and deceleration and stopping performance is unreliable, and cost of manufacture height, maintenance difficulties are big.

Summary of the invention

The technical matters that the utility model solves: a kind of flexible operation is provided, brakes reliable and stable, as can to reduce turn inside diameter radius goods towed vehicle executive device.

The utility model solves the problems of the technologies described above the technical scheme of taking: goods towed vehicle executive device contains and car body bonded assembly stop mechanism and steering hardware, stop mechanism is by draw bar, telescopic Front brake pull bar, the cross contiguous block, universal turnover panel, limiting stopper, back bracket arm, the vehicle frame pin plate, the brake crossbeam, brake shoes is formed, draw bar and telescopic brake front tension bar are hinged, telescopic brake front tension bar is hinged by cross piece and universal turnover panel, limiting stopper is captiveed joint with the front-wheel crossbeam, universal turnover panel and front-wheel crossbeam are hinged and hinged with the brake crossbeam by the back bracket arm, the brake crossbeam is hinged with the vehicle frame pin plate that is fixed on the vehicle frame, and brake shoes is captiveed joint with the brake crossbeam; Steering hardware by draw bar, front-wheel crossbeam, front steering track-rod, preceding turn to pin plate, back steering track rod and after turn to pin plate to form, draw bar and front-wheel crossbeam are hinged, front steering track-rod respectively with draw bar and before turn to pin plate hinged, before turn to pin plate to captive joint with the front wheel spindle of towed vehicle one side, turn to pin plate to captive joint with two fronts wheel spindle of towed vehicle both sides respectively after two, back steering track rod two ends turn to pin plate hinged respectively with after two.

The utility model beneficial effect: owing to adopted above-mentioned stop mechanism, braking is reliable, has eliminated potential safety hazard; Owing to adopted above-mentioned steering hardware, reduced the minimum turning radius of vehicle, flexible operation, use, easy to maintenance has improved user's work efficiency.

Accompanying drawing is said figure

Fig. 1 is a front view of the present utility model.

Fig. 2 is a birds-eye view of the present utility model.

The specific embodiment

Embodiment 1

As shown in Figure 1, stop mechanism is by draw bar 1, telescopic Front brake pull bar 2, cross contiguous block 3, universal turnover panel 4, limiting stopper 5, back bracket arm 6, vehicle frame pin plate 7, brake crossbeam 8, brake shoes 9 is formed, draw bar 1 and telescopic brake front tension bar 2 are hinged, telescopic brake front tension bar 2 is hinged by cross piece 3 and universal turnover panel 4, limiting stopper 5 is captiveed joint with front-wheel crossbeam 8, universal turnover panel 4 is hinged and hinged with brake crossbeam 8 by back bracket arm 6 with front-wheel crossbeam 8, brake crossbeam 8 is hinged with the vehicle frame pin plate 7 that is fixed on the vehicle frame, and brake shoes 9 is captiveed joint with brake crossbeam 8.When vehicle is placed separately, when not articulating with front truck, towed vehicle is in braking mode, draw bar 1 free fall this moment, pulling Front brake pull bar 2 and the cross piece 3 that is hinged with Front brake pull bar 2, the universal turnover panel 4 of cross piece 3 pullings is to vehicle front deflection, the structure of universal turnover panel 4 can guarantee that draw bar 1 can both correc operation when arbitrarily angled putting down, universal turnover panel 4 deflection time pulling back bracket arm 6 forward moves forward, the brake crossbeam 8 that is hinged on the vehicle frame pin plate 7 is rotated in the same way with universal turnover panel 4, drive brake shoes 9 and press trailing wheel 10 backward, rely on friction force that wheel can not be rotated, realize car brakeing; Hang on the front truck or when erecting by artificial promotion, Front brake pull bar 2 loosens when draw bar 1 lifts, the course of action opposite with braking mode makes brake shoes 9 separate brake off with trailing wheel 10.Limiting stopper 5 is used to locate the answer angle of universal turnover panel 4, guarantees cross piece 3 normal activities.

As shown in Figure 2, steering hardware by draw bar 1, front-wheel crossbeam 11, front steering track-rod 12, preceding turn to pin plate 13, back steering track rod 14 and after turn to pin plate 15,16 to form, draw bar 1 is hinged with front-wheel crossbeam 11, front steering track-rod 12 is respectively with draw bar 1 with before turn to pin plate 13 hinged, before turn to pin plate 13 to captive joint with the front wheel spindle of towed vehicle one side, turn to pin plate 15,16 to captive joint with 17 on two front-wheels of towed vehicle both sides respectively after two, back steering track rod 14 two ends turn to pin plate 15,16 hinged respectively with after two.When draw bar 1 is dragged when turning to by tractor truck, front steering track-rod 12 relative front-wheel crossbeam 11 sway, and turn to pin plate 13 that front wheel spindle 18 is rotated around the shaft before the push-and-pull, turn to pin plate 15 after this moment, follow rotation, promotion back steering track rod 14 and another turn to pin plate 16, two front-wheels 17 are rotated in the same way, finish handling maneuver.Suitable physical dimension makes left and right sides front-wheel 17 drift angle differences, thereby guarantees that tire is in the true-running state, reduces friction loss.

Claims

1, a kind of goods towed vehicle executive device contains and car body bonded assembly steering hardware and stop mechanism, it is characterized in that:

Described stop mechanism is made up of draw bar, telescopic Front brake pull bar, cross contiguous block, universal turnover panel, limiting stopper, back bracket arm, vehicle frame pin plate, brake crossbeam, brake shoes, draw bar and telescopic brake front tension bar are hinged, telescopic brake front tension bar is hinged by cross piece and universal turnover panel, limiting stopper is captiveed joint with the front-wheel crossbeam, universal turnover panel and front-wheel crossbeam are hinged and hinged with the brake crossbeam by the back bracket arm, the brake crossbeam is hinged with the vehicle frame pin plate that is fixed on the vehicle frame, and brake shoes is captiveed joint with the brake crossbeam;

Described steering hardware by draw bar, front-wheel crossbeam, front steering track-rod, preceding turn to pin plate, back steering track rod and after turn to pin plate to form, draw bar and front-wheel crossbeam are hinged, front steering track-rod respectively with draw bar and before turn to pin plate hinged, before turn to pin plate to captive joint with the front wheel spindle of towed vehicle one side, turn to pin plate to captive joint with the front wheel spindle of towed vehicle both sides respectively after two, back steering track rod two ends turn to pin plate hinged respectively with after two.