CN2440795Y

CN2440795Y - Hand hoist

Info

Publication number: CN2440795Y
Application number: CN 00215980
Authority: CN
Inventors: 张鸿安; 韩强
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-22
Filing date: 2000-08-22
Publication date: 2001-08-01
Anticipated expiration: 2010-08-22

Abstract

The utility model relates to a hand cranking lifting machine which is mainly composed of a machine frame, a roller and a cable winding on the roller. The utility model is characterized in that the utility model is also provided with a hand cranking drive gear, and a transmission device transmitted by a gear is arranged between the drive gear and the roller. The reduction ratio of the utility model can reach 1 to 22.8, the hand cranking force is 23 kg, and the lifting weight is great; the utility model has the advantages of compact structure, convenient operation and high safety.

Description

The shaking elevator

The utility model belongs to the hoisting crane field, particularly a kind ofly is used for promoting, lays weight with shaking mechanical drive elevator.

Along with expanding economy, elevator machinery has had significant progress, various electric lifts have appearred, but in some industry such as oil field, for security reason can only use the artificial elevator of mechanical type, but owing to there is not special-purpose elevator, at present in the most of oil field of China in the Assembly ﹠Disassembly of oil pumping tube coupling, still adopt manual operation, inefficiency, labour intensity height.

Some manual type elevators have also appearred now, it as application number 86208840 utility application, revolution shaking hoisting crane, mainly form by pillar, anchor shaft, overhanging arm, reel, characteristics are the disks that have connection holes in the welding of pillar lower end, ratchet is housed on the reel stand, ratchet is housed on the drum shaft.Easy and simple to handle, safety, but the hoisting crane of this kind mechanism, field of application is narrow, lifting weight is little, can not adapt to the requirement of oil field and most of industry.

The purpose of this utility model is to provide a kind of applied range, shaking elevator that lifting weight is big.

The utility model is achieved in that

The shaking elevator mainly is made up of frame, cylinder and the hawser that is wrapped on this cylinder, it is characterized in that: also include a shaking driving gear, be provided with gear-driven driving device between this driving gear and the cylinder.

Above-mentioned driving device mainly is made up of driven gear, gear wheel shaft, dual gear and spline gear; Driven gear is positioned on the said gear axle and with driving gear and meshes; Above-mentioned dual gear meshes with gear wheel shaft and spline gear respectively; This spline gear links to each other with above-mentioned cylinder.

After the utility model adopts above structure, owing between driving gear and cylinder, set up design science, rational driving device, reduction ratio reaches 1: 22.8, promoting 1 meter time spent of object generally speaking only is 2 minutes, hand power is 23kg, applied range, lifting weight are big, have compact conformation, easy to operate, safe and reliable, effect that efficient is high, are particularly suitable for the Assembly ﹠Disassembly of oil pumping tube coupling in the oil field operation, the lifting and the car and boat harbour of low-rise building material.

Accompanying drawing is a kind of structural representation of the present utility model;

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.

In the accompanying drawing, 1 is that frame, 2 is that driving gear, 3 is that driven gear, 4 is that Friction disk, 5 is that ratchet-gear wheel, 6 is that ratchet, 7 is that gear wheel shaft, 8 is that dual gear, 9 is that spline gear, 10 is a cylinder.

As shown in drawings, the utility model shaking elevator mainly is made up of frame 1, cylinder 10 and the hawser that is wrapped on this cylinder 10, and cylinder 10 is arranged on the frame 1, twines when cylinder 10 rotates or unclamps hawser, is finished promoting or the object that lands by hawser.On frame 1, also be provided with a shaking driving gear 2 that has handle, be provided with the gear change-speed gearing that is installed on the frame 1 between this driving gear and the cylinder 10.This driving device mainly is made up of driven gear 3, gear wheel shaft 7, dual gear 8 and spline gear 9; Driven gear 3 is arranged on the gear wheel shaft 7 and meshes with driving gear 2, rotates thereby driven gear 3 rotates driven gear axles 7; Dual gear 8 also is arranged on the frame 1, and with said gear axle 7 and spline gear 9 engagements, this spline gear 9 links to each other with above-mentioned cylinder 10, can drive cylinder 10 and rotate respectively.For increasing power-assisted transmission effect, above-mentioned dual gear 8 is designed to two, lays respectively at two sides of gear wheel shaft 7, drives spline gear 9 and cylinder 10 rotations simultaneously by two dual gears 8.

Adopt multiple screw thread to connect between driven gear 3 and the gear wheel shaft 7.On said gear axle 7, also be provided with a brake equipment near driven gear 3.This brake equipment is mainly formed by being installed in the ratchet-gear wheel 5 on the gear wheel shaft 7 and being installed in the ratchet 6 that frame 1 is provided with retracing spring, adopts multiple screw thread to connect between ratchet-gear wheel 5 and the gear wheel shaft 7, and ratchet 6 meshes with ratchet-gear wheel 5; Between ratchet-gear wheel 5 and driven gear 3, be provided with Friction disk 4.When clockwise rotating driving gear 2, driving gear 2 drives driven gears 3, and driven gear 3 at first pushes Friction disk 4, drive ratchet-gear wheel 5 under the effect of Friction disk 4 rotates in the same way, oppositely then being blocked by ratchet 6 of ratchet-gear wheel 5, can not backward rotation, thus make total system reach braking; When rotating counterclockwise driving gear 2, driven gear 3 unclamps Friction disk 4, brake off.

Said gear axle 7 adopts five tooth major axis, five gears on it lay respectively at cylinder 10 about two sides; Above-mentioned dual gear 8 and spline gear 9 also are made as two groups, lay respectively at cylinder 10 about two sides, make total system form bi-directional drive.

During use, clockwise rotate driving gear 2, rotate by driven gear 3 driven gear axles 7, drive cylinder 10 and rotate by dual gear 8, spline gear 9 again, twine hawser by cylinder 10, promote object by hawser by an outer contact that is provided with pulley, and finish braking by brake equipment simultaneously; When rotating counterclockwise driving gear 2, object in like manner lands.

Claims

1, shaking elevator, mainly form by frame (1), cylinder (10) and the hawser that is wrapped on this cylinder (10), it is characterized in that: also include a shaking driving gear (2), be provided with gear-driven driving device between this driving gear (2) and the cylinder (10).

2, shaking elevator according to claim 1 is characterized in that: above-mentioned driving device mainly is made up of driven gear (3), gear wheel shaft (7), dual gear (8) and spline gear (9); Driven gear (3) is positioned at said gear axle (7) and goes up and mesh with driving gear (2); Above-mentioned dual gear (8) meshes with gear wheel shaft (7) and spline gear (9) respectively; This spline gear (9) links to each other with above-mentioned cylinder (10).

3, shaking elevator according to claim 1 and 2 is characterized in that: go up, also be provided with a brake equipment near driven gear (3) at said gear axle (7).

4, shaking elevator according to claim 3 is characterized in that: above-mentioned brake equipment mainly is made up of the ratchet-gear wheel (5), Friction disk (4) and the ratchet (6) that are installed on the gear wheel shaft (7), ratchet (6) and ratchet-gear wheel (5) engagement

5, shaking elevator according to claim 3, it is characterized in that: said gear axle (7) is five tooth major axis, its shaft gear lays respectively at two sides of cylinder (10), and above-mentioned dual gear (8) and spline gear (9) respectively are made as two groups, lay respectively at two sides of cylinder (10).

6, shaking elevator according to claim 4, it is characterized in that: said gear axle (7) is five tooth major axis, its shaft gear lays respectively at two sides of cylinder (10), and above-mentioned dual gear (8) and spline gear (9) respectively are made as two groups, lay respectively at two sides of cylinder (10).