CN211491315U

CN211491315U - Simple pulley pulling device for crown block pulley

Info

Publication number: CN211491315U
Application number: CN201922503746.5U
Authority: CN
Inventors: 宁正东; 宁正伟; 历彦峰; 齐国旗; 侯主芳; 李其博; 唐龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a simple crown block pulley wheel pulling device, which realizes the disassembly of a pulley block by simultaneously moving two radially symmetrical turnbuckles, and comprises a step-shaped operating platform, wherein the operating platform is provided with a high part and a low part, a shaft seat is welded on the high part, a shaft seat is arranged by passing through the shaft seat, and a screw I is sleeved on the shaft movably; the lower part is used for placing the wheel set, the front part of the wheel set is provided with a press ring, the press ring is connected with the lower part through a bolt I, the rear part of the wheel set is provided with a clamp ring, two sides of the clamp ring extend out of lug parts, and bolts II are arranged through the lug parts to fasten the clamp ring; an F-shaped wheel pulling claw is clamped on the ear part, and a screw II is fixedly arranged at the tail part of the F-shaped wheel pulling claw; a threaded sleeve is sleeved between the screw II and the screw I.

Description

Simple pulley pulling device for crown block pulley

Technical Field

The utility model relates to a crown block pulley takes out instrument specifically is a wheel device is pulled out to simple and easy crown block pulley.

Background

Along with the wearing and tearing of workover rig in use, the staff all need overhaul and change its spare part every year, to scrapping derrick and scrapping overhead traveling crane, in order to increase the life of overhead traveling crane, need to rearrange the assembly pulley, must all disintegrate the assembly pulley of overhead traveling crane, dredge the whole sanitization of butter passageway with the iron wire to reduce the overhead traveling crane spoilage and improve derrick rate of utilization, increase life.

However, the disassembly of the pulley block is a very difficult problem, because of the tightness of the bearing, the particularity of the crown block rim of the derrick, the heavy weight of the pulley block, and other reasons, no corresponding tool is provided, the crown block cannot be disassembled and assembled by general force, and in order to solve the problem well, the problem of disassembling and assembling the crown block is determined to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a simple and easy overhead traveling crane pulley pulls out round device moves simultaneously through the swivel nut of two radial symmetries, realizes the disintegration of assembly pulley, reaches the purpose that reduces the overhead traveling crane spoilage and increase the life of overhead traveling crane.

The technical scheme is as follows: simple and easy overhead traveling crane pulley pulls out round device, characterized by: the device comprises a step-shaped operating platform, wherein the operating platform is provided with a high part and a low part, a shaft seat is welded on the high part, a shaft is arranged by penetrating through the shaft seat, and a screw I is movably sleeved on the shaft; the lower part is used for placing a wheel set, a pressure ring is arranged at the front part of the wheel set and connected with the lower part through a bolt I, a clamping ring is arranged at the rear part of the wheel set, lug parts extend from two sides of the clamping ring, and a bolt II penetrates through the lug parts to fasten the clamping ring; an F-shaped wheel pulling claw is clamped on the ear part, and a screw rod II is fixedly arranged at the tail part of the F-shaped wheel pulling claw; and a threaded sleeve is sleeved between the screw II and the screw I.

Further, the screw I and the screw II are two screws which can be coaxial and have opposite rotation directions.

Further, an arc-shaped support is fixedly arranged on the lower portion and used for placing the wheel set.

Further, a guide block is fixedly arranged on the lower portion, the guide block is provided with a guide groove, and the guide groove can be matched with the F-shaped wheel pulling claw.

Has the advantages that: the utility model discloses a barrel through two radial symmetries removes simultaneously, realizes the disintegration of assembly pulley, and the operating speed is fast, and the operation degree of difficulty is low, can effectively reduce the overhead traveling crane spoilage, increases the life of overhead traveling crane, and this utility model simple structure, easy preparation.

Drawings

FIG. 1 is a schematic elevation structure of the utility model;

FIG. 2 is a schematic front view of the utility model;

fig. 3 is a schematic top view of the present invention.

Description of reference numerals:

1. an operation table; 101. a high portion; 102. a lower portion; 2. a shaft seat; 3. a shaft; 4. a screw I; 5. a threaded sleeve; 6. a screw II; 7. an arc-shaped bracket; 8. a guide block; 9. a snap ring; 10. pressing a ring; 11. a bolt I; 12. a bolt II; 13. f-shaped wheel claw pulling; 14. an ear portion; 15. and a guide groove.

Detailed Description

The embodiments of the invention will be described in detail below with reference to fig. 1 and 3, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1 and 3, the simple crown block pulley wheel pulling device provided by the present invention comprises a step-shaped operating platform 1, wherein the operating platform 1 has a high portion 101 and a low portion 102, a shaft seat 2 is welded on the high portion 101, a shaft 3 is arranged through the shaft seat 2, and a screw I4 is movably sleeved on the shaft 3; the wheel set is placed on the lower portion 102, a pressing ring 10 is arranged at the front portion of the wheel set, the pressing ring 10 is connected with the lower portion 102 through a bolt I11, a clamping ring 9 is arranged at the rear portion of the wheel set, ear portions 14 extend out of two sides of the clamping ring 9, and a bolt II12 penetrates through the ear portions 14 to fasten the clamping ring 9; an F-shaped wheel pulling claw 13 is clamped on the lug part 14, and a screw II6 is fixedly arranged at the tail part of the F-shaped wheel pulling claw 13; a screw sleeve 5 is sleeved between the screw II6 and the screw I4.

The utility model discloses a rotate swivel nut 5 simultaneously through the staff and realize the pulley axial displacement on the wheelset, thereby pull down the pulley fast, in the concrete operation process, at first, the wheelset is placed on the low portion 102 of operation panel 1, embolia the clamping ring 10 on the anterior pulley of wheelset, use bolt I11 to fasten it on low portion 102, then, the snap ring 9 is established to the cover on the pulley at wheelset rearmost portion, use bolt II12 fastening snap ring 9, pull out a claw 13 card with the F shape and establish on the ear 14 of snap ring 9, and at last, pull out screw nut 5 on screw rod II6 at the rear portion of claw 13 and the screw rod I4 on high portion 101 at the F shape, the pulley can be taken off to the syntropy rotatory swivel nut 5.

Referring to fig. 1 and 3, in order to realize the opposite movement between the screw I4 and the screw II6, the screw I4 and the screw II6 are two screws which can be coaxial and have opposite rotation directions.

Referring to fig. 1 and 3, in order to make the wheelset have a sufficient longitudinal dimension and fit the snap ring 9, an arc-shaped bracket 7 is fixedly arranged on the lower portion 102, and the arc-shaped bracket 7 is used for placing the wheelset.

Referring to fig. 1 and 3, in order to maintain the moving track of the F-shaped wheel pulling claw 13, a guide block 8 is fixedly arranged on the upper surface of the lower part 102, the guide block 8 is provided with a guide groove 15, and the guide groove 15 can be matched with the F-shaped wheel pulling claw 13.

To sum up, this utility model creatively has used F shape to pull out claw 13 and has extracted the pulley, and it is fast to have an operating speed for using instruments such as crow bar or sledgehammer, and the operation degree of difficulty is low advantage, makes things convenient for the maintenance and the change of wheelset, can effectively reduce the overhead traveling crane spoilage, increases the life of overhead traveling crane, this utility model structure is simple moreover, easy processing preparation.

Claims

1. Simple and easy overhead traveling crane pulley pulls out round device, characterized by: the device comprises a step-shaped operating platform, wherein the operating platform is provided with a high part and a low part, a shaft seat is welded on the high part, a shaft is arranged by penetrating through the shaft seat, and a screw I is movably sleeved on the shaft;

the lower part is used for placing a wheel set, a pressure ring is arranged at the front part of the wheel set and connected with the lower part through a bolt I, a clamping ring is arranged at the rear part of the wheel set, lug parts extend from two sides of the clamping ring, and a bolt II penetrates through the lug parts to fasten the clamping ring;

an F-shaped wheel pulling claw is clamped on the ear part, and a screw rod II is fixedly arranged at the tail part of the F-shaped wheel pulling claw;

and a threaded sleeve is sleeved between the screw II and the screw I.

2. The simple crown block pulley pulling device according to claim 1, which is characterized in that: the screw I and the screw II are two screws which can be coaxial and have opposite rotation directions.

3. The simple crown block pulley pulling device according to claim 1, which is characterized in that: the upper surface of the lower part is fixedly provided with an arc-shaped support, and the arc-shaped support is used for placing the wheel set.

4. The simple crown block pulley pulling device according to claim 1 or 3, which is characterized in that: the upper surface of the lower part is fixedly provided with a guide block, the guide block is provided with a guide groove, and the guide groove can be matched with the F-shaped wheel pulling claw.