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Towing device

A technology of traction device and traction seat, which is applied in the direction of tractor-trailer combination, transportation and packaging, motor vehicles, etc., can solve the problems of waste of manpower and financial resources, unreliable safety, low work efficiency, etc., and achieve low processing cost , wide application range and simple structure

Inactive Publication Date: 2009-08-05
SIPING SPECIAL AUTOMOBILE FACTORY CHINA NO 1 AUTOMOBILE GRP
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Problems solved by technology

[0002] At present, most of the transportation methods of tractors use single-car operation, and a few use one-back-one-way transportation. This method is to connect the longitudinal beam of the second tractor to the first tractor by means of skids, wire ropes and clips. There are many shortcomings and deficiencies in the above-mentioned transportation methods, which are specifically manifested in: ①The single-vehicle operation mode has caused a lot of waste of manpower and financial resources, especially energy waste; ②One-back-one-way transportation is not safe. Reliable, low work efficiency, fuel consumption

Method used

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Embodiment Construction

[0017] attached by figure 1 As shown: the traction device includes base plate welding 1, traction seat assembly 2 (the traction seat assembly adopts the company's prior application patent number: 92232866.8, name: wedge type traction seat; patent number: 99249466.4, name : centralized lubrication traction seat), coupling device 3, the bottom plate welding 1 is arranged under the traction seat assembly 2, and the coupling device 3 is arranged on the traction seat assembly 2 above.

[0018] The coupling device 3 is coupled to the fifth wheel assembly 2 through the traction pin 13 thereon, and can rotate on the fifth wheel assembly 2 with the traction pin as an axis.

[0019] attached by figure 1 , 2 As shown: the coupling device 3 includes a coupling body welding 10, an adjustment groove 4, an end fastening body 7 composed of a pressing plate 8 and a screw rod 9, a positioning pin 5, and an intermediate fastening body 6 (attached Figure 7 shown), wherein the adjustment groov...

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Abstract

The invention relates to a rear traction device for a first tractor to draw a second tractor of a tractor with a one-traction-two mode. The rear traction device can make a tractor and a towed vehicle reliably coupled to achieve the safe driving and the operation of towing the towed vehicle by the tractor. The rear traction device comprises a welded base plate, a traction seat assembly and a connecting device; the welded base plate is arranged below the traction seat assembly; and the connecting device is arranged above the traction seat assembly. As the connecting device adopts a groove type composite structure and is reliably coupled with a traction seat of a molded product, the bearing surface is large; the surface of the traction seat is provided with a lube groove; the addition of lube reduces the abrasion between the surface of a seat plate and the surface of a connecting body; and the rear traction device has the advantages of simple structure, good safety, wide ranged of application, low processing cost, and the like, realizes the one-traction-two operation mode of the tractor and fills up one blank of the state.

Description

technical field [0001] The invention relates to a traction device for a first tractor to tow a second tractor in the operation mode of one tractor with two tractors, which can reliably couple the tractor and the towed vehicle to achieve safe driving of the tractor towed by the towed vehicle run. Background technique [0002] At present, most of the transportation methods of tractors use single-car operation, and a few use one-back-one-way transportation. This method is to connect the longitudinal beam of the second tractor to the first tractor by means of skids, wire ropes and clips. There are many shortcomings and deficiencies in the above-mentioned transportation methods, which are specifically manifested in: ①The single-vehicle operation mode has caused a lot of waste of manpower and financial resources, especially energy waste; ②One-back-one-way transportation is not safe. Reliable, low work efficiency, fuel consumption. [0003] The purpose of the present invention is...

Claims

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Application Information

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IPC IPC(8): B62D53/08
Inventor 张文艳
Owner SIPING SPECIAL AUTOMOBILE FACTORY CHINA NO 1 AUTOMOBILE GRP
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