CN206538112U - One kind can self-locking province force lifting apparatus - Google Patents

Abstract

A self-locking labor-saving lifting device, comprising a winch, a winch mounting plate, a column, a beam, a self-locking device, a self-locking mounting plate, a rope, a roller, an upper pulley block and a lower pulley block, the winch mounting plate and the self-locking mounting plate Welded with the column; the winch is connected with the winch mounting plate through bolts; the self-locking device is connected with the self-locking mounting plate through bolts; the upper pulley block is connected with the beam through bolts; the rope passes through the self-locking The lock device is wound into the upper pulley block and the lower pulley block through the rollers; when a person turns the winch, the heavy object can be easily lifted through the pulley block, and when an accident occurs, the friction force is used to realize self-locking. The device has a simple structure and is easy to operate It is convenient and labor-saving, has high safety performance, and is very convenient for installation and maintenance.

Description

A self-locking labor-saving lifting device

technical field

The utility model relates to a lifting or pulling device, in particular to a self-locking labor-saving lifting device.

Background technique

The existing lifting devices have complex structures, relatively large dimensions, inflexible use, and require electric drive, while some smaller lifting mechanisms either do not have self-locking, have potential safety hazards, or are laborious to lift.

Utility model content

In order to solve the above problems, the utility model provides a self-locking and labor-saving lifting device that is small in size, has self-locking, high safety, and can be easily lifted and can be used in a small range.

The technical solution adopted to realize the purpose of this utility model is: comprise winch, winch mounting plate, column, crossbeam, self-locking device, self-locking mounting plate, rope, roller, upper pulley block and lower pulley block, described winch mounting plate and self-locking The lock mounting plate is welded to the column; the winch is connected with the winch mounting plate through bolts; the self-locking device is connected with the self-locking mounting plate through bolts; the upper pulley block is connected with the beam through bolts; Pass through the self-locking device, then pass through the rollers, and wind into the upper pulley block and the lower pulley block.

The upper pulley block includes an upper fixed pulley, an upper pulley, a rope ring, a bolt, an upper fixed bottom plate, and an upper fixed top plate. The upper fixed pulley and the upper pulley are fixed to the upper fixed bottom plate and the upper fixed top plate by bolts, and the described rope The ring is fixed to the upper fixed bottom plate and the lower fixed top plate by bolts, and the upper pulley block is fixed to the crossbeam by bolts.

The lower pulley block includes a pulley, a rope ring, a bolt, a hook, a lower fixed bottom plate, and a lower fixed top plate. The lower fixed pulley and the lower pulley are fixed to the lower fixed bottom plate and the lower fixed top plate by bolts, and the described rope ring is connected to the lower fixed bottom plate and the lower fixed top plate by bolts. The lower fixed bottom plate and the lower fixed top plate are fixed, and the described hook is fixed with the lower fixed bottom plate and the lower fixed top plate by bolts.

The self-locking device includes a bolt, a fixed friction wheel, a friction wheel, a dynamic friction wheel, a fixed top plate, a fixed bottom plate, a movable pulley, and a connecting rod. The fixed friction wheel and the friction wheel are fixed to the fixed bottom plate and the fixed top plate by bolts. The left end of the connecting rod and the moving friction wheel are connected to the fixed bottom plate and the fixed top plate through bolts, the moving friction wheel can move in the chute of the fixed bottom plate and the fixed top plate, the right end of the connecting rod and the moving pulley are connected to the fixed floor through bolts Connected with the fixed top plate, the movable pulley can move in the chute of the fixed bottom plate and the fixed top plate, and the middle of the connecting rod is fixed with the fixed bottom plate and the fixed top plate by bolts.

The winch includes bolts, rollers, handle links, gaskets, small nuts, bolts, U-shaped plates, winches, and nuts, and the rollers are connected by bolts, washers, nuts and handle links. The winch is connected by bolts, nuts, U-shaped plates and connecting rod handles.

The beneficial effects of the utility model are: the pulley block is used to realize the purpose of saving labor; the self-weight of the object is used to drive the rope to be tightened, so that the dynamic friction wheel and the fixed friction wheel are compressed to generate friction force and balance the gravity of the weight to realize self-locking; the overall structure of the utility model Simple, easy to operate, safe and reliable.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the overall structure of another angle of the utility model.

Figure 3 is a schematic diagram of the internal structure of the self-locking device.

Fig. 4 is a schematic diagram of the overall external structure of the self-locking device.

Fig. 5 is a schematic diagram of the structure of the self-locking device fixing the bottom plate.

Fig. 6 is a schematic diagram of the connection structure of the upper pulley block and the lower pulley block.

Fig. 7 is a schematic structural diagram of the upper pulley block.

Fig. 8 is a structural schematic diagram of the lower pulley group.

Figure 9 is a schematic diagram of the structure of the winch.

Figure 10 is a schematic diagram of the overall connection of the upper and lower pulley sets.

In the figure 1 upper pulley block, 2 lower pulley block, 3 beam, 4 roller, 5 rope, 6 self-locking device, 7 self-locking mounting plate, 8 winch, 9 winch mounting plate, 10 column, 1-1 upper fixed pulley, 1- 2 upper pulley, 1-3 rope ring, 1-4 bolt, 1-5 bolt, 1-6 bolt, 1-7 upper fixed bottom plate, 1-8 bolt, 1-9 upper fixed top plate, 2-1 lower fixed pulley, 2-2 lower pulley, 2-3 rope loop, 2-4 bolt, 2-5 bolt, 2-6 bolt, 2-7 lower plate, 2-8 hook, 2-9 bolt, 2-10 lower plate Top plate, 3-1 fixed friction wheel, 3-2 chute, 3-3 friction wheel, 3-4 bolt, 3-5 bolt, 3-6 fixed top plate, 3-7 chute, 3-8 fixed bottom plate, 3 -9 movable pulley, 3-10 bolt, 3-11 connecting rod, 3-12 bolt, 3-13 bolt, 3-14 movable friction pulley, 3-15 bolt, 3-16 bolt, 3-17 bolt, 8-1 bolt , 8-2 roller, 8-3 handle link, 8-4 gasket, 8-5 small nut, 8-6 bolt, 8-7 U-shaped plate, 8-8 winch wheel, 8-9 nut.

detailed description

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Fig. 10, a self-locking labor-saving lifting device includes a self-locking device 6, the Self-locking device 6 comprises fixed friction wheel 3-1, friction wheel 3-3, movable pulley 3-9, movable friction wheel 3-14, described fixed friction wheel 3-1, friction wheel 3-3 are fixed on fixed top plate 3-6 And on the fixed base plate 3-8, the movable pulley 3-9 and the movable friction pulley 3-14 are connected and fixed through the chute inserted by the bolt 3-10, the bolt 3-13 and the connecting rod 3-11, so that the movable pulley 3-9 and Moving friction wheel 3-14 can move in the chute.

The main structure of the upper pulley block is shown. The upper pulley block includes the upper fixed pulley 1-1 and the upper pulley 1-2. The upper fixed pulley 1-1 and the upper pulley 1-2 are connected by bolts 1-4 and 1-5 and connected with the upper Fixed base plate 1-7, upper fixed top plate 1-9 are fixed, and rope ring 1-3 is fixed by bolt 1-8 and last fixed base plate 1-7 and upper fixed top plate 1-9.

The main structure of the lower pulley group is shown. The lower pulley group includes the lower fixed pulley 2-1 and the lower pulley 2-2. The lower fixed pulley 2-1 and the lower pulley 2-2 are connected by the bolt 2-4 and the bolt 2-5 and are connected with the lower fixed bottom plate 2-7. The lower fixed top plate 2-10 is fixed, the rope ring 2-3 is fixed with the lower fixed bottom plate 2-7 and the lower fixed top plate 2-10 through the bolt 2-6, and the hook 2-8 is fixed with the lower fixed plate through the bolt 2-9 Base plate 2-7 and lower fixed top plate 2-10 are fixed.

In the connection mode of the rope 5 shown in the utility model patent, the rope 5 is first pulled out from the winch 8, and then passes through the movable pulley 3-9 in the self-locking device 6, the friction wheel 3-3, the movable friction wheel 3-14, and the fixed friction Wheel 3-1, then connected to the upper fixed pulley 1-1 in the upper pulley block, the lower fixed pulley 2-1 in the lower pulley block, the upper pulley 1-2 in the upper pulley block, the lower pulley 2-2 in the lower pulley block, Ropes 1-3 in the upper block are finally connected to loops 2-3 in the lower block.

When a person rotates the winch 8, the rope 5 pulls the moving pulley 3-9 to move upwards in the chute 3-7, while the connecting rod 3-11 drives the moving friction wheel 3-14 to move downwards in the chute 3-2, Make it separate from the fixed friction wheel 3-1 and the friction wheel 3-3, the weight to be lifted this moment moves up under the rope 5 drive, when an emergency occurs, people break away from the winch 8, the rope 5 is due to the weight of the lifting The gravity of the object pulls the moving friction wheel 3-14 to move upwards in the chute 3-2 and finally contacts and compresses the fixed friction wheel 3-1 and the friction wheel 3-3, the rope 5 is also compressed and cannot move, and the connecting rod 3 -11 drives the moving pulley 3-9 to move downward in the chute 3-7, and when the people have dealt with the emergency, the winch 8 is rotated again and the weight can be promoted again.

Except for the technical features mentioned in the manual, all are technologies known to those skilled in the art.

Claims (5)

1. A self-locking labor-saving lifting device is characterized in that: it includes a winch, a winch mounting plate, a column, a crossbeam, a self-locking device, a self-locking mounting plate, a rope, a roller, an upper pulley block and a lower pulley block, and the winch is installed The plate and the self-locking mounting plate are welded to the column; the winch is connected with the winch mounting plate through bolts; the self-locking device is connected with the self-locking mounting plate through bolts; the upper pulley block is connected with the beam through bolts; The rope passes through the self-locking device from the winch, passes through the rollers, and is wound into the upper pulley block and the lower pulley block. 2. The self-locking and labor-saving lifting device as claimed in claim 1, characterized in that: the upper pulley block includes an upper fixed pulley, an upper pulley, a rope ring, a bolt, an upper fixed bottom plate, an upper fixed top plate, and the upper fixed pulley The pulley and the upper pulley are fixed with the upper fixed bottom plate and the upper fixed top plate by bolts, the rope ring is fixed with the upper fixed bottom plate and the lower fixed top plate by bolts, and the upper pulley block is fixed with the crossbeam by bolts. 3. The self-locking and labor-saving lifting device according to claim 1, characterized in that: the lower pulley set includes a lower pulley, a lower pulley, a rope loop, a bolt, a hook, a lower fixed bottom plate, and a lower fixed top plate, and the lower fixed pulley The pulley and the lower pulley are fixed with the lower fixed base plate and the lower fixed top plate by bolts, the rope ring is fixed with the lower fixed base plate and the lower fixed top plate by bolts, and the described hook is fixed with the lower fixed base plate and the lower fixed top plate by bolts. 4. The self-locking and labor-saving lifting device according to claim 1, characterized in that: the self-locking device includes bolts, fixed friction wheels, friction wheels, moving friction wheels, fixed top plate, fixed bottom plate, movable pulley, connecting rod, The fixed friction wheel and the friction wheel are fixed to the fixed bottom plate and the fixed top plate by bolts, the left end of the connecting rod and the dynamic friction wheel are connected to the fixed bottom plate and the fixed top plate by bolts, and the dynamic friction wheel can be connected between the fixed bottom plate and the fixed top plate. The right end of the connecting rod and the moving pulley are connected with the fixed floor and the fixed top plate through bolts, the moving pulley can move in the chute of the fixed bottom plate and the fixed top plate, and the middle of the connecting rod is connected with the The fixed bottom plate and the fixed top plate are fixed. 5. The self-locking labor-saving lifting device according to claim 1, characterized in that: the winch includes bolts, rollers, handle links, washers, small nuts, bolts, U-shaped plates, winches, nuts , the rollers are connected through bolts, washers, nuts and handle connecting rods, and the winches are connected through bolts, nuts, U-shaped plates and connecting rod handles.