Device for coupling a tractor with the machine

 

(57) Abstract:

The invention is intended for connection of a towing vehicle with a towed object without departing crews of vehicles in the zone of firing, infestations and fires. The device has connected one end to the housing of the Prime mover towing cables 10 and 12 and are mounted on the body of the tractor 1 opener 4 and the traction winch 14, on the vomer fixed lever 6 has mounted on a block sheave pulleys at the ends of the lever placed the clamps 7 and 11 for the tow cables, each capture in the lower part has a through longitudinal groove, inside grip placed the clamp 9 loop the other end of the cable to lock, move along the longitudinal axis and rotation around this axis. Release the cables from seizure occurs after attachment and tensioning of the cables due to differences in the size of the groove, the diameter of the clamp and the cable. To increase traction, the ends of the cables connected to the hooks of the polyspast. 6 C.p. f-crystals, 3 Il,

The invention relates to tracked and wheeled equipment, and more particularly to tractors and can be used to connect the towing vehicle and the towed object without departing crews of the vehicles in the areas of fire, infections and fires.

A device for coupling bronga towing cables and installed on the body of the tractor opener and a traction winch with block variable geometry mechanism [1].

However, in the conditions of firing, infestations and fires the output of crews of vehicles impossible or extremely dangerous, causing injury to or death of persons and loss machines. In addition, if you cannot evacuate machine, the crew can die, and if the car is a source of fire, explosion or contamination, damage increases.

It is known and the other device to be coupled BRAM with the machine without departing crews. This device includes a hinge mounted on the opener towing bar at the end of which has a forked tip for connecting the rod with the hitch of the towed machine. For accurate aiming the tip is connected by a cable with an inner drive through the opening in the housing of BRAM [2].

Rigid tow bar with a forked tip has a small probability hitch on rough terrain, as well as the inability to apply it to the hitch with machines having different designs towing devices. Traction during the evacuation of limited thrust on the engine or clutch BRAM with the ground, therefore it is impossible to evacuate the machine with a faulty suspension or jammed. When the jam or fire evacuees machine hard tug does not allow the device to be coupled to the tractor with the machine, contains United one end to the housing of the Prime mover towing cables and mounted on the body of the tractor Coulter is rigidly attached to the lever at the free end of which is fixed is made with a through longitudinal slots for the tow rope clamps, spaced across the width of the lever at a distance greater than the width of the loop of cable and the length of the lever is at a distance less than the length of the loop of the cable, inside the grips placed the clamps to the respective ends of the cable, and the width of each capture exceeds the diameter of the cable and less than the diameter of the clamp [3].

The disadvantage of this device is that it has limited reliability, unification and tractive effort.

The task of the invention is unification, higher reliability and traction force during the evacuation of the machine from the dangerous zones without departing crews.

To do this, in the described device the middle part of the rope fixed to the body of the tractor by collapsing elements, triggered by tension, and placed inside the grips clamps mounted for movement along the longitudinal axis of the corresponding capture, rotation around this axis and fixing in position, each tro can be supplied mounted on the chassis of the tractor traction hoist block sheave pulleys and tank cleaning agents, block sheave pulleys may be fixed to the body of the tractor decaying elements, triggered by tension, block sheave pulleys may be fixed to the body of the tractor can be rotated in horizontal and vertical planes, the lever may be secured to the hose, the other end of which is connected to the tank for cleaning substances, and to the front of the clip attached to the tow hook with spring-loaded latch throat.

In Fig. 1 shows the device in top view; Fig.2 - the same, lateral view; Fig. 3 is a variant of the device using a winch.

The best variant embodiment of the invention.

The device includes a housing of the Prime mover 1 mover 2, towbar 3, vomer 4 wheel drive Coulter 5, the lever 6, the first gripper 7, the stopper grip 8, clip 9, the first cable 10, the second grip 11, the second cable 12, collapsing element 13, the winch cable 14, block sheave pulleys 15, the hook sheave pulleys 16, 17 for cleaners, hose 18.

As Coulter 4, which is used to secure the machine on the ground when applying traction winch can be used bulldozer blade. The vomer or budgetary dump operated from the inside of the truck.

The grippers 7 and 11 serve to ratereview width of the loop of the rope, but the length of the lever is at a distance greater than the length of the loop of rope. The width of the inner part of each capture is larger than the diameter of the rope, but less than the diameter of the clip.

Stop capture 8 serves to hold and lock cable in certain positions. The clamp 9 is designed to loop or connection of the eye with the end of the rope. To increase the force of the compression and friction between the branches of the cable, the loop of the inner cavity of the clip wire is made is not straightforward. In addition, it is used for placing the cable in the gripping and releasing him after the hitch. This grip is made with a longitudinal groove in the bottom, and the clip has the ability to move along the longitudinal axis of the grip and rotation around this axis.

Collapsing element 13 is designed to consolidate the variable geometry mechanism on the lever or the middle part of the rope on the body and release them after the tension of the cables. As a collapsing element can be used, for example, the middle pin is triggered when the rope tension. In addition, the middle portion of each cable can be fixed to the body or the opener of a tractor, for example, spring clips. The unit of the variable geometry mechanism 15 serves to increase traction when evacu the second processing towing device of the machine on the lever attached to the hose 18, the other end of which is connected to the tank 17 for cleaning substances. The tank cleaning substances 17 may contain components for cleaning, decontamination and degassing machine, and the suppression of local fires. As cleaning or extinguishing agents can be used, for example, the exhaust gases of the engine of the tractor.

Device for coupling a tractor with the machine operates as follows (Fig.1 and 2).

In the initial position, the lever 6 is mounted on the Shoe 4 of the tractor 1, the cables 10 and 12 one ends connected to the tow hooks 3. The clamps 9, mounted on the second ends of the cables and forming loops of the cables inserted into the grippers 7 and 11 and secured them with brakes 8. Depending on the position of the towing device of the towed machine loops are installed horizontally or vertically. The middle part of the rope attached to the tractor decaying elements 13. On ropes attached explosive, United conductor with the interior of the truck.

The truck pulls to the towed car and maneuvering with the help of mover 2 in a horizontal plane and driven Coulter 5 to move the lever in a vertical plane, the loop of the first wire 10 is installed in the cavity of the throat boxingthe ago. When this capture 7 overcomes the force of the stopper 8 and moves the clamp 9. When the clamp from the capture cable 10 falls into the groove of the grip, the width of which is larger than the diameter of the rope. The first cable is connected with the machine and disconnected from the device. Upon further movement of the tractor back the cable is tensioned, the tension of the rope drag exceeds the strength of the element 13, the latter is triggered, and the middle part of the first rope is released. The connection of the second cable 12 with the machine is the same way. If necessary, eliminate the fire from the outside of the machine and the towing device of the machine handle cleaning agents, who served in the area of the hitch through the hose 18.

To tow in forward motion of the tractor from the middle part of the rope is passed along one of the sides of a vehicle, secured it decaying elements, and the ends of the cables, the opposite terminals are connected with the rear hooks of the tractor. Coupling cables tractor with hooks evacuated machine is the same as when towing in reverse. Release the cables from the boards after coupling with the machine is carried out by turning the body of the tractor in the direction opposite to the placement of the cables due t is Yahweh efforts during the evacuation of the machine used block sheave pulleys and winch tractor (Fig.3).

In the initial position, the lever is mounted on the vomer. On the lever fixed block sheave pulleys 15 by collapsing element 13. The winch cable 14 skipped around the block and connected with the hook 3. The cables 10 and 12 one ends connected to the hooks 16 of the polyspast, and the other ends connected to the grippers 7 and 11 and secured them with brakes. The middle part of the rope attached to the tractor decaying elements 13.

After alternately snapping loops both cables to the tow hooks of the machine and release the middle part of the rope the same as the above tractor continues to move back. When the tension of the cables 10 and 12 of the collapsing element 13 block variable geometry mechanism is triggered, because the power cable tension exceeds the strength of the destruction of the element. The block is released from the lever and is connected strained ropes with hooks on the machine. Further movement of the tractor back going with the omission of the levers and the unwinding of the winch cable. Unwinding the winch is due to the inclusion for the grant of a rope and exceeding the tension of the tow rope relative to the holding force of the winch cable in the body of the tractor. After check-out to the desired distance Coulter uticaod into the soil and begin winding the wire pulling machine. In sluchainyh cables are towing fingers, to the front of the clip instead of the loop is fixed towbar with external spring-loaded latch throat of the hook. Coupling with the machine is carried out by moving the tractor forward with overcoming the spring force of the latch.

In case of danger for tractor recepce with the towed machine is carried out by blasting explosives, located on the cable and the United conductor with the interior of the truck.

1. Device for coupling a tractor with the machine that contains the connected one end to the housing of the Prime mover towing cables and mounted on the body of the tractor Coulter is rigidly attached to the lever at the free end of which is fixed is made with a through longitudinal slots for the tow rope clamps, spaced across the width of the lever at a distance greater than the width of the loop of cable and the length of the lever at a distance smaller than the length of the loop of the cable, inside the grips placed the clamps to the respective ends of the cable, and the width of each capture exceeds the diameter of the cable and less than the diameter of the clamp, characterized in that that middle part of the rope fixed to the body of the tractor by collapsing elements, triggered by tension, and placed inside the grips clamps fitted the compensation in the desired position.

2. The device under item 1, characterized in that each cable is fixed explosive, United conductor with the interior of the truck.

3. The device according to PP.1 and 2, characterized in that it is supplied mounted on the chassis of the tractor traction hoist block sheave pulleys and capacity using cleaning agents.

4. The device according to p. 3, characterized in that the block sheave pulleys fixed to the body of the tractor due to the collapsing of elements which are triggered by tension.

5. The device according to p. 3, characterized in that the block sheave pulleys fixed to the body of the tractor can be rotated in horizontal and vertical planes.

6. The device according to PP. 1 to 3, 4 or 5, characterized in that the lever attached to the hose, the other end of which is connected to the tank for cleaning substances.

7. The device under item 1, characterized in that the front of the clip attached to the tow hook with spring-loaded latch throat.

 

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