RU144805U1 - MOTOR TOWING - Google Patents

Abstract

1. A towing vehicle containing a suspension mounted on a subframe, comprising: a engine, a module with a transmission, a control device attached to a frame; comprising a caterpillar mover, including at least one caterpillar, characterized in that the suspension is made up of wheels mounted on at least 2 axles having a diameter equal to or less than the distance between the upper and lower cage of the caterpillar, and one wheel pair can be connected to the subframe via an axis, and the wheels themselves contain tires with airbags or all-rubber tires made of foam rubber. 2. The motorcycle towing device according to claim 1, characterized in that the subframe is folding and / or movable. The motorcycle towing device according to claim 1, characterized in that the subframe is non-separable. A motorized towing vehicle according to any one of claims 1 to 3, characterized in that the wheelset is connected to the subframe via an axis.

Description

The utility model relates to the field of crawler vehicles, and more particularly to the construction of self-propelled vehicles designed to tow sleds, carts or similar structures adapted for horse-drawn traction, and can be used to create and manufacture various modifications of small-sized agricultural machinery and special purpose vehicles, including with the installation of various attachments.

Known motorized towing with a suspension of the support wheels-rollers "Pomor" [http://motopomor.ru/p13052542-motobuksirovschik-pomor-500.html]. The disadvantage of this motorized towing is: spring-loaded balancing trolleys over-drag the track and require additional engine power or excessive human effort to move it along the surface with the engine turned off (this must be done manually when the motorized towing gets stuck in the snow); the springs of the balancing trolleys eventually sag / get tired and cease to fulfill their basic functions; the springs of the balancing trolleys periodically burst (a twisted torsion spring is used), the track is cut with a sharp edge in a circle, which leads to the failure of the track; low height inside the caterpillar and a large number of balancing trolleys prevent self-cleaning of the caterpillar and requires increased power for its movement.

Known motorized towing with a suspension of the support wheels, rollers "Bars Pathfinder 500 HV 13 S" [http://burantorg.ru/shop/motobuksir/motobuksirovshhik-bars/]. The disadvantage of this motorized towing is: spring-loaded balancing trolleys over-drag the track and require additional engine power or excessive human effort to move it along the surface with the engine turned off (this must be done manually when the motorized towing gets stuck in the snow); the springs of the balancing trolleys eventually sag / get tired and cease to fulfill their basic functions; the springs of the balancing trolleys periodically burst (a twisted torsion spring is used), the track is cut with a sharp edge in a circle, which leads to the failure of the track; a large number of balancing trolleys interfere with the self-cleaning of the track and requires increased power for its movement; spring-loaded balancing trolleys have a tendency to turn inside the track 180 degrees.

Known motorized tow Rex (see RF patent for utility model No. 64601, B65D 55/00, B62M 27/02, published July 10, 2007) containing a chassis with an engine mounted in the rear and a caterpillar mover, including at least , one caterpillar, a connection node with a towed object located in the rear of the frame, and a control device, for example, in the form of a steering wheel according to the type of frame structure, characterized in that the chassis is made in the form of a supporting-bearing frame and is equipped with a device for its mobile-elastic connections with a tracked mover, for example er, according to the type of mechanical shock absorber, wherein said caterpillar propulsion device comprises at least one device of automatic self-tensioning of the caterpillar.

The disadvantage of this motorized towing is: a spring-loaded device for automatic caterpillar self-tensioning and spring-loaded balancing trolleys over-drag the caterpillar and require additional engine power or excessive human effort to move it along the surface with the engine turned off (this must be done manually when the motorized towing gets stuck in snow); the springs of the automatic track tensioning device and the springs of the balancing bogies eventually sag / get tired and cease to fulfill their basic functions; the springs of the balancing trolleys periodically burst (a twisted torsion spring is used), the track is cut in a circle with a sharp edge, which leads to the failure of the track; spring-loaded balancing trolleys have a tendency to turn inside the track 180 degrees; there are no elements supporting the track from sagging from above. The closest technical solution to its purpose to the claimed one, adopted as the closest analogue - the prototype of the utility model, is the Ryde towing vehicle (see RF patent for utility model No. 36813, B62M 27/02, published on 03/27/2004), containing as part of the chassis, a frame with a caterpillar mover, a platform with a rear engine and a luggage carrier in front, a connection unit with a towed object located at the rear of the frame, and a control device as part of a lever fixed to the platform with clutch controls and means gas regulation, designed for individual movement of people on a sleigh (drags) or skiing and transportation of goods on snow in winter.

The disadvantages of the prototype are:

- unsprung rollers of small diameter (about 130 mm) are used, which, with strong impacts at speeds above 25 km / h, leads to their quick failure;

- additional track rollers are required that support the track cage from sagging, which complicates the design.

- the rollers are attached to the frame, which is located in the middle of the track (between the upper and lower stands), which prevents the track from self-cleaning from wet snow (especially in combination with the low height of the track).

The closest analogue is the Fomichev Yersh snowmobile towing vehicle (see RF certificate for utility model No. 4517, B62D 55/00, published July 16, 1997), consisting of a small-sized tractor with a caterpillar mover and a steering wheel with motion controls, intended for use as a snowmobile individual vehicle. The motorized towing vehicle is mounted on a suspension with rollers mounted on a spring-loaded subframe, comprising an engine, a module with a transmission, a caterpillar mover including a caterpillar and a control device.

The disadvantage of this towing snowmobile is: rigidly coupled rollers of small diameter are used; the rollers are mounted on a separate frame located inside the track; a large proportion of the suspension elements relative to the size of the internal space of the track, a relatively high specific pressure of the track on the snow, a prefabricated rubber-metal track is used unnecessarily milling surface.

The technical result of the claimed solution is: ease of manufacture and maintenance of the suspension; increase in its reliability during strong impacts due to the use of significantly larger support wheels; lack of need for additional structural elements supporting the track from sagging; large free space inside the caterpillar contributes to the quick self-cleaning of the caterpillar; the energy spent on the rotation of the wheel is returned by the top of the track. All this in a complex increases the cross-country ability of a towing vehicle over rough terrain and deep snow.

The specified technical result is achieved due to the fact that the towing vehicle containing the suspension mounted on a subframe, containing attached to the frame: engine, module with transmission, control device; comprising a caterpillar mover, comprising at least one caterpillar, characterized in that the suspension is made up of wheels mounted at least 2 on axles having a diameter equal to or less than the distance between the upper and lower cage of the caterpillar, one wheel pair can be connected to the subframe via an axis, and the wheels themselves contain tires with air chambers or all-rubber tires made of foam rubber.

The subframe can be made folding and / or movable, as well as non-separable. The wheelset can be connected to the subframe via an axle.

Brief Description of the Drawings

Figure 1 shows the device of the towing vehicle (side view), where 1 is the engine, 2 is the fuel tank, 3 is the module with the transmission, 4 is the trunk, 5 is the track, 6 is the wheel.

Figure 2 shows the appearance of a motorized tow, where 7 is a control device and at the same time a tug.

Figure 3 shows the removable part of the subframe in the assembled state, where 8 is the supporting part of the subframe, 9 is the folding part of the subframe, 10 is the gear wheel for tensioning the track.

Figure 4 shows the removable part of the subframe in a disassembled state.

Figure 5 shows the principle of the tension of the traction chain (view in the state of a weakened chain), where 11 is the chain, 12 is an asterisk on the motor shaft, 13 is an asterisk on the leading axis of the caterpillar traction.

Figure 6 shows an example of the principle of tension of the traction chain (view in the state of the tensioned chain).

A motorized towing vehicle (see FIG. 1, FIG. 2) comprises a platform with an engine (1), a boot and a caterpillar mover, including at least one caterpillar (5), and a control device (7) in the form of a steering wheel according to the frame type construction, which is the connection node with the towed object. The platform can be made integral or collapsible - divided into removable modules: a frame with an engine (1) and a transmission (variator), a subframe (see Figure 3, Figure 4) with a movable-elastic connection with a caterpillar mover, a trunk (4) .

The subframe can be made folding, and the frame is movable along the subframe with the possibility of fixing in a given position (see Figure 5, Figure 6).

As an elastic connection with a caterpillar mover, wheels (6) are used, mounted on the axes of the fixed part of the subframe.

In the event that the towing vehicle is disassembled into three parts: a frame with a module consisting of an engine (1), a fuel tank (2) and a transmission (3) (variator); subframe - tracked undercarriage; trunk (4), due to collapsibility, it is compact when disassembled and individually easily fits inside a passenger car such as a jeep or minivan.

The tension of the chain (11) on the sprockets of the engine shaft (12) and the drive axle of the caterpillar traction (13) can be carried out by moving the frame along the subframe (see the tensioning process of Fig. 5, Fig. 6), no chain tensioner, chain (11 ) does not hang out, the tensioning process is simplified and becomes available to users with weak physical strength and low skills of driving a motorized towing vehicle.

If the subframe is folded, then addition is possible in different ways. For example, as shown in FIG. 3, FIG. 4. This further reduces the dimensions of the structure. The tension of the track (5) is carried out stepwise, by moving the 3rd and 4th axis to one mounting hole, which eliminates the need to use springs or pushing the axis of the screws when tensioning the tracks. This simplifies the operation of tensioning the track and eliminates the danger of its bias.

Due to the fact that the suspension of the support wheels, the rollers are made up of wheels fixed at least 2 on axles having a diameter equal to or less than the distance between the upper and lower cage of the track, moreover, one wheel pair can be connected to the subframe via an axis, and the wheels themselves contain tires with air chambers or all-rubber tires made of foam rubber, ease of manufacture and maintenance of the suspension is ensured; increase in its reliability during strong impacts due to the use of significantly larger support wheels; lack of need for additional structural elements supporting the track from sagging; large free space inside the caterpillar contributes to the quick self-cleaning of the caterpillar; the energy spent on the rotation of the wheel is returned by the top of the track. All this in a complex increases the cross-country ability of a towing vehicle over rough terrain and deep snow.

Claims (4)

1. A towing vehicle containing a suspension mounted on a subframe, comprising: a engine, a module with a transmission, a control device attached to a frame; comprising a caterpillar mover, including at least one caterpillar, characterized in that the suspension is made up of wheels mounted on at least 2 axles having a diameter equal to or less than the distance between the upper and lower cage of the caterpillar, and one wheel pair can be connected to the subframe via an axle, and the wheels themselves contain tires with air chambers or all-rubber tires made of foam rubber. 2. The towing truck according to claim 1, characterized in that the subframe is folding and / or movable. 3. The towing truck according to claim 1, characterized in that the subframe is made non-separable. 4. A towing truck according to any one of claims 1 to 3, characterized in that the wheelset is connected to the subframe via an axis.