SU850473A1 - Load-lifting trolley - Google Patents

Description

(54) LOADING CART

; one

This invention relates to hand carts designed to lift cargo from the ground.

A well-known lifting trolley comprising a platform with shelves for cargo, a swivel wheel and running wheels mounted on the swivel arms in the longitudinal vertical planes x by means of the hydraulic cylinder flj "

The disadvantage of this trolley is the great complexity of the design, caused by the need to install a hydraulic control system for hydraulic cylinders.

Closest to the proposed lifting trolley, containing a U-shaped frame with a swivel wheel, to the parallel sides of which are attached with the possibility of rotation in the longitudinal vertical planes by means of a cable-block drive, arms that carry the U-shaped handle and U-shaped handle, the cable-to-block drive is attached to the arms are cables, the other ends of which are connected to a carriage mounted in vertical guides, to which a cable is attached, wound on a drum C2.

The disadvantage of this cart is the complexity of the design (the presence of such complex components as a carriage, guides, and a drum drive transmission).

The purpose of the invention is the simplification of the CONSTRUCT {| GI,

This goal is achieved by the fact that the cable-block drive of the lever is made in the form of perpendicular to its longitudinal axis of the shaft mounted on the frame, on which 1 are fixedly mounted drums for recharging on them — cables of the drive, retainer and a rotatable handle; on the last and on the frame there are articulated spring-loaded main and additional dogs for interaction

20 with ratchet.

In addition, the handle is articulated with a handle, and the handle is connected with the main dog, and the additional dog is equipped with a pedal.

25

FIG. 1 shows a trolley, a general view of FIG. 2 is the same, top view in FIG. 3 shows section A-A in FIG.

The cart contains a U-shaped frame 1 with shelves 2 for cargo and a swivel 3 wheel of a rotary type. On frame 1

thirty

by means of horizontal hinges 4: levers 5 are fixed, in which mouth-i wheels are mounted on axles x 6 running wheels 7, a shaft is mounted on frame 1 in supports 8, 9f and two drums 10 and a ratchet wheel 11 are fixed on it, on drums 10 - Cables 12 are provided, the free ends of which are connected to the levers. On the shaft, the handle 13 is mounted with a possibility of rotation of the P-arm, on which the main pawl 15 with the spring 16 is fixed with the help of the axis 14. interacts with the ratchet wheel 11. The main pawl 15 can be disengaged from the ratchet wheel with the help of the rod 18 and the handle 19 located near the horizontal part of the U-shaped handle 13. The additional dog 20 is fixed on the frame 1 using the axis 21 and has the spring 22,. The tooth 23 of the additional box 20 is engaged with the ratchet wheel 11 and can be disengaged with the help of a foot pedal 24 rigidly connected with the doggie 20,

The cart works as follows

the cart is brought to the load, for example a container, standing on a platform so that the shelves 2 are arranged with corresponding protrusions on the container. Then, the handle 13 is lowered onto itself and downwards. At the same time, the tooth 17 of the dog 15 is engaged with the ratchet wheel 11, and the tooth 23 of the dog 20 slides relative to the ratchet wheel. 11, The handle 13 turns the ratchet wheel, shaft 9 and drums 10, is wound on the drums 10, turn the levers S., which causes the front part of the frame 1 to rise with the load. Then the handle 13 is moved up and away from itself. In this case, the handle rotates freely about the shaft 9, the tooth 17 of the dog 15 slides relative to the ratchet wheel 11, and the tooth 23 of the dog 20 secures the ratchet wheel from turning. If it is necessary to lift the front of the Ral "1 with a load to a greater height, the described operation is repeated. When moving, the force is applied to the handle 13, which is fixed by turning with a finger 25. To lower the load on the platform, it is necessary to move the handle 13 to the lower position, to release the main pawl 15 from engagement with the ratchet

wheel 11 using the handle 19, fix the main pawl 15, remove the tooth 23 of the additional pawl 20 from engagement with the ratchet wheel 11 by pressing the pedal 24 and, holding the handle 13, move it to the upper position, then release the pedal 24. If after this the load You didn’t touch the pad, you need to repeat the described operations with the handle 13 and the pedal 24. By choosing the diameters of the drums 10 and the ratchet wheel 11, as well as the lengths of the lever 5 and the handle 13, you can achieve a slight effort on the handle when lifting the load, then eat The worker will be insignificant.

Claims (2)

Invention Formula 0 1, load-carrying trolley, content-. pinning the U-shaped rim with a swivel wheel, to the parallel sides of which are attached with the possibility of rotation in the longitudinal vertical planes by means of a cable-block drive, carrying arms and a U-shaped handle, so that simplify the construction, the cable-block drive of the arms rotation is made in 0 the form of a perpendicularly mounted on the frame, its longitudinal axis of the shaft, on which the drums are rigidly fixed for storing the cables of said drive on them, a ratchet and a handle mounted rotatably, while on the latter and on the frame there are spring-loaded dogs for interacting with Q ratchet 2, a trolley according to claim 1, characterized in that a handle connected to the main dog is pivotally attached to the U-shaped handle.  3, Trolley lift according to claim 1, characterized in that the additional dog is equipped with a pedal, Information sources, taken into account in the examination 1, US Patent No. 3825869, cl. 214-331, 1974. 2. The patent of Germany No. 1266650, cl. 63. b 4, 1968 (prototype). f r