CN215364600U

CN215364600U - Lever type small-sized hoisting device

Info

Publication number: CN215364600U
Application number: CN202121836595.6U
Authority: CN
Inventors: 孙镜淳; 孙雷剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-08
Filing date: 2021-08-08
Publication date: 2021-12-31
Anticipated expiration: 2031-08-08

Abstract

A lever type small-sized hoisting device. The problem that no hoisting tool is arranged above the branch equipment inside the existing plant, or hoisting facilities are few, and no hoisting equipment can be carried by manpower only when the equipment is maintained or other equipment needs to be lifted is solved. The utility model comprises the following components: base (9), support arm (2), regulation pull rod (1), sleeve pipe (4), around rope sheave (3) and stay cord (6), the base on fixed with branch (5), branch with the sleeve pipe articulated, the support arm be Y shape, its rear end passes the sleeve pipe and with the sleeve pipe fixed, the afterbody of support arm with the base between pass through the regulation pull rod connect. The utility model is used for hoisting small objects.

Description

Lever type small-sized hoisting device

Technical Field

The utility model relates to a lever type small-sized hoisting device.

Background

The internal branch equipment of factory building top does not have the lifting apparatus, or the lifting facilities is less, does not have lifting apparatus and can only rely on the manpower to carry when keeping in repair or need promote other equipment to equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model aims to provide a lever type small lifting device to overcome the defects in the prior art.

In order to achieve the purpose, the utility model provides a lever type small lifting device which comprises a base, a support arm, an adjusting pull rod, a sleeve, a rope winding wheel and a pull rope, wherein the base is fixed with the support rod, the support rod is hinged with the sleeve, the support arm is Y-shaped, the rear end of the support arm penetrates through the sleeve and is fixed with the sleeve, and the tail part of the support arm is connected with the base through the adjusting pull rod;

the rear end and the front end of the support arm are respectively fixed with a guide pulley block, the branch of the support arm is fixed with a guide pulley block, a pull rope is wound on the rope winding wheel, and the pull rope winds around the guide pulley block and the guide pulley block;

the adjusting pull rod comprises a square frame, two screw rods, a fixing frame and an inserting rod, the screw threads of the screw rods are opposite in direction, the screw rods are in threaded connection with the square frame, the fixing frame is welded on the square frame, the inserting rod is inserted into the fixing frame and is fixedly welded with the inserting rod.

As a further description of the lever type small lifting device, it is preferable that an outer frame is welded to the support rod, the outer frame is connected to the rope winding wheel through a rotating shaft, a worm wheel is sleeved on the rotating shaft, the worm wheel is engaged with a worm, and the worm is connected to the outer frame through a bearing.

As a further description of the lever type small lifting device according to the present invention, it is preferable that one end of the worm is fixed to the handle.

As a further description of the lever type small lifting device according to the present invention, preferably, the guide pulley block includes a date frame and a guide pulley, the date frame and the support arm are fixed by a bolt, and a wheel axle of the guide pulley is rotatably connected to the date frame.

As a further description of the lever type small lifting device of the present invention, preferably, the guide pulley block includes a support and a guide pulley, the support is welded to the support arm, and a wheel axle of the guide pulley is rotatably connected to the support.

The utility model has the beneficial effects that:

1. the utility model can effectively relieve the problem of insufficient hoisting devices in the overhaul process of overhaul or multiple devices, ensure the smooth operation of overhaul work and lift the devices and articles to be hoisted.

2. According to the utility model, the stay cord is wound by rotating the stay cord to lift equipment to be lifted, and the highest lifting height can be adjusted by adjusting the pull rod, so that the lifting device is suitable for different requirements on height improvement.

3. The front end of the pull rope is provided with two branches which can be tied at two ends of equipment to be lifted, so that the equipment to be lifted can be prevented from being lifted and sliding off due to deflection in the lifting process, and the lifting stability is ensured.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic structural view of an adjustment drawbar;

FIG. 5 is a schematic view of the lifting of an object by a pull cord;

FIG. 6 is a schematic diagram of the lifting mechanism after the arm is rotated;

the reference numerals are explained below:

in the figure: 1. adjusting the pull rod; 2. a support arm; 3. a rope winding wheel; 4. a sleeve; 5. a strut; 6. pulling a rope; 7. a guide pulley; 8. a B-shaped frame; 9. a base; 10. an outer frame; 11. a worm gear; 12. a worm; 13. bracing; 14. an opening; 15. a guide pulley block; 16. a handle; 17. hooking; 18. a screw; 19. a square frame; 20. a fixing frame; 21. inserting a rod; 22. lifting the object; 23. a support; 24. a guide pulley.

Detailed Description

To further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solutions of the present invention and are not to limit the present invention.

The lever type small-sized hoisting device comprises a base 9, a support arm 2, an adjusting pull rod 1, a sleeve 4, a rope winding wheel 3 and a pull rope 6, wherein the base is fixed with a support rod 5 which is fixed by welding, an inclined strut 13 is welded between the base and the support rod and used for ensuring the stability of the device, the support rod is hinged with the sleeve, the support arm is Y-shaped, the rear end of the support arm penetrates through the sleeve and is fixed with the sleeve which is fixed by welding, and the tail part of the support arm is connected with the base through the adjusting pull rod;

the rear end and the front end of the support arm are respectively fixed with a guide pulley block 15, the branch of the support arm is fixed with a guide pulley block, a pull rope is wound on the rope winding wheel, and the pull rope winds around the guide pulley block and the guide pulley block;

the regulation pull rod include square frame 19, two screw rods 18, fixed frame 20 and inserted bar 21, two the screw thread opposite direction of screw rod, the screw rod with square frame threaded connection, fixed frame welding be in square frame on, fixed frame interpolation have the inserted bar and with inserted bar welded fastening, the tip of every screw rod has all welded couple 17, the couple of upper end screw rod is hung on the link of support arm, the couple of lower extreme screw rod is hung on the link of base.

In the second embodiment, the lever-type small hoisting device in the first embodiment is further described, the support rod is welded with an outer frame 10, the outer frame is connected with the rope winding wheel through a rotating shaft, the rotating shaft is sleeved with a worm wheel 11, the worm wheel is meshed with a worm 12, and the worm is connected with the outer frame through a bearing.

In the third embodiment, the present embodiment is further described with respect to the lever type small lifting apparatus of the first embodiment, wherein one end of the worm is fixed to the handle 16, and the worm is fixed by welding.

In a fourth embodiment, the present embodiment is further described with respect to the lever type small lifting device of the first embodiment, the guiding pulley set comprises a date frame 8 and a guiding pulley 7, the date frame and the supporting arm are fixed by a bolt, and a wheel axle on the guiding pulley is rotatably connected with the date frame.

The guide pulley block at the tail end of the arm has an opening 14 through which the pull cord is wound around the take-up pulley.

Fifth embodiment, this embodiment is a further description of the lever type small lifting device of the first embodiment, the guiding pulley block includes a bracket 23 and a guiding pulley 24, the bracket is welded and fixed with the supporting arm, and an axle on the guiding pulley is rotatably connected with the bracket.

The working principle is as follows: the hooks are fixed at the two branch ends of the pull rope, when in use, as shown in figure 5, the two pull ropes are respectively encircled at the two ends of the lifting object 22, the two ends of the lifting object are lifted simultaneously through the two branches of the pull ropes, stable lifting of the lifting object can be ensured, the lifting object is prevented from being inclined in the lifting process to cause slipping off, the handle is held by hands during lifting, the handle is rotated to rotate the worm, the worm drives the worm wheel to rotate, the rope winding wheel rotates, the rope winding wheel winds the pull ropes to lift the lifting object, when the lifting object needs to lift higher height, the two hands hold the two ends of the inserted link, then the square frame rotates, the square frame is in threaded connection with the screw rods, the two screw rods move in opposite directions, the exposed length of the two screw rods is reduced, the integral length of the adjusting pull rod is reduced, the support arm is driven to rotate in the process of reducing the length of the adjusting pull rod, make the height of back of arm front end uprise, adjust high back, rotate the handle for the rope winding wheel rotates and loosens the stay cord, ties up the stay cord at the both ends that promote the thing, then the antiport rope winding wheel makes the rope winding wheel twine the stay cord, realizes promoting the thing, rotates through the support arm and makes can adjust the maximum height that promotes the thing, conveniently is applicable to different promotion height requirements.

It should be noted that the above-mentioned embodiments and embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the utility model. The scope of the utility model is to be determined by the appended claims.

Claims

1. A lever type small-sized hoisting device is characterized by comprising a base, a support arm, an adjusting pull rod, a sleeve, a rope winding wheel and a pull rope, wherein the base is fixed with the support rod;

2. The lever type small lifting device as claimed in claim 1, wherein an outer frame is welded to the supporting rod, the outer frame is connected to the rope winding wheel through a rotating shaft, a worm wheel is sleeved on the rotating shaft, the worm wheel is engaged with a worm, and the worm is connected to the outer frame through a bearing.

3. The lever type small lifting device as claimed in claim 2, wherein one end of the worm is fixed to the handle.

4. The lever type small lifting device as claimed in claim 3, wherein the guide pulley block comprises a date frame and a guide pulley, the date frame and the arm are fixed by a bolt, and a wheel axle of the guide pulley is rotatably connected with the date frame.

5. The lever type small lifting device as claimed in claim 4, wherein the guide pulley block comprises a support frame and a guide pulley, the support frame is welded to the support arm, and a wheel axle of the guide pulley is rotatably connected to the support frame.