CN201136456Y

CN201136456Y - Draw gear for transport truck

Info

Publication number: CN201136456Y
Application number: CNU2008200712114U
Authority: CN
Inventors: 李太一
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-07
Filing date: 2008-01-07
Publication date: 2008-10-22
Anticipated expiration: 2018-01-07

Abstract

The utility model discloses a towing mechanism of a transporting truck, which is provided with a tow supporting plate capable of fixing a front bridge of the truck, wherein, a spherical revolute pair consisting of a spherical hole and a sphere is arranged at the bottom part of the tow supporting plate, a connecting rod which can be fixed on the rear truck body extends at the lower part of the sphere. When the tow mechanism is used, the tow mechanism is fixed on the rear truck body by the connecting rod; next, the front bridge of the rear truck is arranged on the tow supporting plate arranged on the front truck, the front bridge is fixed with the tow supporting plate, front wheels of the rear truck are positioned on the front truck body, rear wheels of the rear truck can rotate freely without power when in landing, the rear truck can tow the following truck in the way, the tow number can be determined according to needs, the size of power of the most front tow truck and the highway code, thereby improving the efficiency of transporting trucks and increasing the economic benefits; when a plurality of trucks are towed, the turning is still flexible.

Description

The draw gear that a kind of haulage truck is used

Technical field

The utility model relates to a kind of draw gear, the draw gear that particularly a kind of haulage truck is used.

Background technology

At present, the transportation of commercial automobile, the for example transportation of commodity truck (be commonly called as and send car) generally is the negative truck A of the vehicle body overriding of a truck A, as shown in Figure 1, this kind transportation mode is subjected to the limitation in height in the traffic law, once only can transport two trucies, conveying efficiency is low, has increased traffic cost virtually.

Summary of the invention

The purpose of this utility model provides the draw gear that a kind of haulage truck is used, this draw gear is used for the transportation traction of truck, use this draw gear can make many trucies of a truck traction, improved the conveying efficiency of truck, reduced traffic cost, and this draw gear can make between two trucies and freely rotate, and turns flexibly.

The utlity model has the fixing traction supporting plate of truck propons, the bottom of this traction supporting plate has a spherical revolute pair that is made of ball hole and spheroid, and the bottom of spheroid is extended with a pipe link that can be fixed on the vehicle body of truck rear portion.

When the utility model uses, be fixed on the vehicle body of truck rear portion by pipe link, then, the propons of back truck is placed on the traction supporting plate of the present utility model of front truck arrangement, and with this propons with the traction supporting plate be fixed together, the front-wheel of back truck is positioned on the vehicle body of front truck, the trailing wheel of back truck lands and can unpoweredly freely rotate, this back truck mode according to this continues to draw the truck of back, and the quantity of traction can be according to the regulation of the power size of needs, foremost tow truck and traffic law and decided.

The beneficial effects of the utility model are as follows:

1, a truck can draw many trucies, has improved the efficient of haulage truck, has increased economic benefit;

2, the utility model uses spherical revolute pair, and the space angle of rotation increases, and therefore can make the truck of back tilt to put, and can make between two trucies 360 ° to relatively rotate, even many trucies of traction, it is still flexible to turn.

Description of drawings

Fig. 1 is traditional truck transport mode scheme drawing.

Fig. 2 is the schematic perspective view of the utility model first embodiment.

Fig. 3 is cutaway view and the running condition scheme drawing of the utility model first embodiment.

Fig. 4 is the schematic perspective view of the utility model second embodiment.

Fig. 5 is cutaway view and the running condition scheme drawing of the utility model second embodiment.

Truck when Fig. 6 is used for truck transport for the utility model connects the traction state scheme drawing.

The specific embodiment

See also Fig. 2, shown in Figure 3, be first embodiment of the present utility model, it has a traction supporting plate 1, this traction supporting plate 1 end face has block 11 respectively for four jiaos, before the traction supporting plate 1, the left side of trailing flank, right-hand member has lug 12, lug 12 offers through hole 13, the bottom of this traction supporting plate 1 is extended with cylinder 14, this cylinder 14 offers a hemisphere hole, the underrun countersunk-heat bolt 16 of cylinder 14 is fixed a sheet cylinder 15, this sheet cylinder 15 also offers the ball hole, this ball hole is identical with the diameter in the hemisphere hole of cylinder 14, a ball hole 17 that extends outside the sheet cylinder 15 is formed in the hemisphere hole of cylinder 14 and the ball hole of sheet cylinder 15, be movably set with a spheroid 2 in this ball hole 17, the part of spheroid 2 is protruded from ball hole 17, this ball hole 17 constitutes a spherical revolute pair with spheroid 2, the protrusion position of spheroid 2 bottoms is extended with a pipe link 21 downwards, in this embodiment, pipe link 21 is a bolt, this bolt is passed down through two-layer connecting panel 3 and screws tight fixing with nut 4, the bolt periphery that is positioned at upper strata connecting panel 3 end faces is extended with flange 22, the left side of two-layer connecting panel 3, the trough rim end face weld together of right side and channel-section steel 5, bolt sleeve between the two-layer connecting panel 3 is provided with supporting sleeve 6, the method that this embodiment is installed on the truck is, as shown in Figure 3, the spacing of two channel-section steels 5 equals the spacing of two trough girders 7 of truck body, during installation, this embodiment is placed on the truck body, two trough girders 7 of two channel-section steels 5 and truck body are corresponding, then, with U-bolt 8, adapter plate 9, nut 10 is fixed together channel-section steel 5 and vehicle body trough girder 7; Again as shown in Figure 3, when this embodiment connects tow truck, be that the propons B with the back truck places on the traction supporting plate 1, and between forward and backward block 11, two U-bolts 8 pass two pairs of forward and backward through holes 13 respectively, and are securely fixed on the traction supporting plate 1 with nut 10 propons B.

See also Fig. 4, shown in Figure 5, be second embodiment of the present utility model, it has a traction supporting plate 1, this traction supporting plate 1 end face has block 11 respectively for four jiaos, before the traction supporting plate 1, the left side of trailing flank, right-hand member has lug 12, lug 12 offers through hole 13, the bottom of this traction supporting plate 1 is extended with cylinder 14, this cylinder 14 offers a hemisphere hole, the underrun countersunk-heat bolt 16 of cylinder 14 is fixed a sheet cylinder 15, this sheet cylinder 15 also offers the ball hole, this ball hole is identical with the diameter in the hemisphere hole of cylinder 14, and a ball hole 17 that extends outside the sheet cylinder 15 is formed in the hemisphere hole of cylinder 14 and the ball hole of sheet cylinder 15, is movably set with a spheroid 2 in this ball hole 17, the part of spheroid 2 is protruded from ball hole 17, this ball hole 17 constitutes a spherical revolute pair with spheroid 2, and the protrusion position of spheroid 2 bottoms is extended with a pipe link 21 downwards, in this embodiment, end periphery is extended with flange 22 on the pipe link 21, and pipe link 21 lower ends offer annular slot 23; This embodiment mainly is the truck that is used to be installed in the traction trailer, as shown in Figure 5, installation method is, this embodiment is placed on the truck body, pipe link 21 is inserted in the towing pad 24 of truck, and snap in the annular slot 23 fixing with clip 25, again as shown in Figure 5, when this embodiment connects tow truck, be that propons B with the back truck places on the traction supporting plate 1, and between forward and backward block 11, two U-bolts 8 pass two pairs of forward and backward through holes 13 respectively, and are securely fixed on the traction supporting plate 1 with nut 10 propons B.

See also shown in Figure 6, when the utility model C uses, be fixed on the vehicle body of truck A rear portion by pipe link, then, the propons of back truck A is placed on the traction supporting plate of the utility model C that front truck settles, and with this propons with the traction supporting plate be fixed together, the front-wheel of back truck A is positioned on the vehicle body of front truck A, the trailing wheel of back truck A lands and can unpoweredly freely rotate, this back truck A mode according to this continues to draw the truck A of its back, and the quantity of traction can be according to needs, the power size of foremost tow truck A and the regulation of traffic law and decide.

Claims

1, the draw gear used of a kind of haulage truck, it is characterized in that: it has the fixing traction supporting plate of truck propons, the bottom of this traction supporting plate has a spherical revolute pair that is made of ball hole and spheroid, and the bottom of spheroid is extended with a pipe link that can be fixed on the vehicle body of truck rear portion.

2, the draw gear that a kind of haulage truck according to claim 1 is used, it is characterized in that: described traction supporting plate end face has block respectively for four jiaos, before the traction supporting plate, the left side of trailing flank, right-hand member has lug, lug offers through hole, the bottom of this traction supporting plate is extended with cylinder, this cylinder offers a hemisphere hole, the underrun countersunk-heat bolt of cylinder is fixed a sheet cylinder, this sheet cylinder also offers the ball hole, this ball hole is identical with the diameter in the hemisphere hole of cylinder, the hemisphere hole of cylinder and the ball hole of sheet cylinder are formed one and are extended the outer ball hole of sheet cylinder, be movably set with a spheroid in this ball hole, the part of spheroid is protruded from the ball hole, and this ball hole and spheroid constitute a spherical revolute pair, and the protrusion position of spheroid bottom is extended with a pipe link downwards.

3, the draw gear used of a kind of haulage truck according to claim 2, it is characterized in that: described pipe link is a bolt, this bolt is passed down through two-layer connecting panel and screws tight fixing with nut, the bolt periphery that is positioned at upper strata connecting panel end face is extended with flange, the trough rim end face weld together of the left and right end face of two-layer connecting panel and channel-section steel, the bolt sleeve between the two-layer connecting panel is provided with supporting sleeve.

4, the draw gear used of a kind of haulage truck according to claim 2, it is characterized in that: the last end periphery of described pipe link is extended with flange, and the pipe link lower end offers annular slot.