CN110872090A

CN110872090A - Lifting device for acid washing of galvanized steel pipe

Info

Publication number: CN110872090A
Application number: CN201911153752.0A
Authority: CN
Inventors: 林琳
Original assignee: 林琳
Current assignee: Qingdao Runjin Xingtong metal surface treatment Co.,Ltd.
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-03-10
Anticipated expiration: 2039-11-22
Also published as: CN110872090B

Abstract

The invention relates to the technical field of galvanized steel pipe pickling, and discloses a lifting cleaning device for galvanized steel pipe pickling, which comprises an upper shell and a lower shell, wherein a first gear is arranged at the middle position of the upper end in the upper shell, a second gear is meshed and connected with the inner part of the first gear, a rack is installed at the lower end of the second gear, lifting gears are meshed and connected with two sides of the rack, a roller gear is fixedly connected with the lower end of the rack, and a containing cavity is installed in the roller gear. Through setting up gear, rack, belt and appearance chamber isotructure, when carrying out the pickling operation to the steel pipe, put into the steel pipe and hold intracavity portion, the staff drives rack up-and-down motion through holding the rocking handle rotation, and the third gear drives the roller gear rotation simultaneously, and the inside appearance chamber of roller gear is followed rotatory, makes the steel pipe constantly overturn when getting into the pickling bath, has reached the effect that improves pickling efficiency, reduces staff's risk.

Description

Lifting device for acid washing of galvanized steel pipe

Technical Field

The invention relates to the technical field of galvanized steel pipe pickling, in particular to a lifting device for galvanized steel pipe pickling.

Background

The galvanized steel pipe is a welded steel pipe with a hot-dip galvanized layer or an electro-galvanized layer on the surface, the galvanizing can improve the corrosion resistance of the steel pipe and prolong the service life, the galvanized pipe has wide application range, and the galvanized pipe can be used as a pipeline outside common low-pressure fluids such as water, gas and oil, and also can be used as an oil well pipe and an oil delivery pipe in the petroleum industry, particularly in an offshore oil field, an oil heater, a condenser cooler and a pipe for a coal distillation and washing oil exchanger of chemical coking equipment, a pipe for a trestle pipe pile and a pipe for a support frame of a mine tunnel, and the like.

Galvanized steel pipe just need be one process of going through before galvanization and is to put into the pickling bath with the galvanized pipe and wash, utilize hydrochloric acid to get rid of the iron oxide on steel pipe surface, at the in-process of galvanized steel pipe pickling at present, if do not remove artificial tamping steel pipe, then the steel pipe can be static soaking in the pickling bath always, the efficiency of pickling has been reduced, and the manual work is gone to the steel pipe and is tamped the processing, the instrument that does not fit for goes to tamp the work, the acidizing fluid is infected with the staff easily at this in-process, cause the injury to the staff, danger index is higher.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the lifting device for pickling the galvanized steel pipe, which has the advantages of improving the pickling efficiency, reducing the risk of workers and the like, and solves the problems of low pickling efficiency and high risk of the workers.

(II) technical scheme

In order to achieve the purposes of improving the pickling efficiency and reducing the risk of workers, the invention provides the following technical scheme: the utility model provides a lifting device for pickling of galvanized steel pipe, includes casing and lower casing, the inside upper end intermediate position of going up the casing is provided with first gear, and the intermeshing of first gear is connected with the second gear, the rocker before the intermediate position fixedly connected with of second gear, the other end of preceding rocker rotates and is connected with the rack, the both sides of rack all mesh and are connected with lifting gear, the lower extreme fixedly connected with cylinder gear of rack, the internally mounted of the cylinder gear of telling has the appearance chamber, the equal fixedly connected with callus on the sole in the bottom both sides of casing down.

Preferably, the cavities are formed in two sides of the top end of the lower shell, the rotating rods extending to two side faces of the lower shell are mounted in the cavities, and the pickling tank can adapt to pickling tanks of different specifications by adjusting the rotating rods.

Preferably, an adjuster is fixedly connected to the outer side of the rotating rod.

Preferably, the bottom end of the front rocker is fixedly connected with a bearing.

Preferably, a sliding rail is arranged in the middle of the rack, and a sliding block is arranged inside the sliding rail.

Preferably, the middle position of the lifting gear is fixedly connected with a belt pulley, and the surface of the belt pulley is connected with a belt in a sliding manner to drive the third gear to rotate in the lifting process.

Preferably, the other end of the belt is fixedly connected with a third gear in a rotating mode, and the third gear can drive the roller gear to rotate.

Preferably, the surface of the cavity is fixedly connected with a cushion pad, so that the damage of the steel pipe in the cavity during rotation is reduced.

Preferably, the right side of the third gear is fixedly connected with a telescopic rod, and the rear end of the third gear is connected with a slide way in a sliding manner, so that when the roller gear ascends, the third gear is separated from the roller gear, and the roller gear does not rotate when ascending.

Preferably, a main shaft is fixedly connected to the middle position of the rear end of the first gear, and a rear rocker and a rocking handle are respectively and fixedly connected to the surface of the main shaft to drive the whole device to move.

(III) advantageous effects

Compared with the prior art, the invention provides a lifting device for acid washing of galvanized steel pipes, which has the following beneficial effects: the lifting device for pickling the galvanized steel pipe comprises a gear, a rack, a belt, a containing cavity and the like, wherein when the steel pipe is pickled, a rotating rod is driven by a rotary adjuster to control the length of a lower shell, then the lifting device is placed above a pickling tank, the steel pipe is placed in the containing cavity, a worker holds a rocking handle to rotate, so that a first gear starts to rotate, a second gear meshed with the first gear performs circular motion around the center of a circle of the first gear to drive the rack to move up and down, the rack drives gears on two sides to rotate simultaneously, when the rack rises, a third gear at the bottom end of the rack slides to the lowest point of a slide way due to the extension of a highest point of a telescopic rod, the third gear is separated from a roller gear, the roller gear stops rotating, the sputtering of pickling liquid to the worker during rising is prevented, when the rack descends, the third gear slides to the lowest point of the slide way due, finally contact with roller gear, at this in-process, the belt drives third gear rotation all the time, so when third gear when the minimum point that falls to contacts with roller gear, will drive roller gear rotatory, set up and then rotate in the inside appearance chamber of roller gear, make and place in the steel pipe of its inside constantly overturning when getting into the pickling bath, reached and improved pickling efficiency, reduced the effect of staff's risk.

Drawings

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

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention.

In the figure: the device comprises an upper shell 1, a lower shell 2, a rotating rod 21, a cavity 22, a regulator 23, a first gear 3, a second gear 4, a front rocker 5, a bearing 51, a rack 6, a sliding rail 61, a sliding block 62, a lifting gear 7, a belt pulley 71, a belt 72, a cavity 8, a cushion pad 81, a roller gear 9, a third gear 10, a telescopic rod 101, a slideway 102, a rear rocker 11, a main shaft 12, a rocking handle 13 and a foot pad 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, a lifting device for pickling galvanized steel pipes comprises an upper shell 1 and a lower shell 2, wherein cavities 22 are respectively formed in two sides of the top end of the lower shell 2, rotating rods 21 extending to two side surfaces of the lower shell 2 are installed in the cavities 22, an adjuster 23 is fixedly connected to the outer sides of the rotating rods 21 and is adapted to an unqualified pickling tank by adjusting the rotating rods 21, the adjuster is a knob fixed by steel threads M6, a first gear 3 is arranged in the middle position of the upper end of the inner part of the upper shell 1, a second gear 4 is engaged and connected to the inner part of the first gear 3, a front rocker 5 is fixedly connected to the middle position of the second gear 4, a bearing 51 is fixedly connected to the bottom end of the front rocker 5, a rack 6 is rotatably connected to the other end of the front rocker 5, a sliding rail 61 is formed in the middle position of the rack 6, a sliding block 62 is installed in the sliding rail 61, lifting gears 7 are engaged and, a belt pulley 71 is fixedly connected to the middle position of the lifting gear 7, a belt 72 is connected to the surface of the belt pulley 71 in a sliding manner and drives the third gear 10 to rotate in the lifting process, a third gear 10 is connected to the other end of the belt 72 in a rotating manner and can drive the roller gear 9 to rotate, a telescopic rod 101 is fixedly connected to the right side of the third gear 10, a slide 102 is connected to the rear end of the third gear 10 in a sliding manner and enables the third gear 10 to be separated from the roller gear 9 when the roller gear 9 is lifted, the roller gear 9 is not rotated when lifted, the roller gear 9 is fixedly connected to the lower end of the rack 6, a chamber 8 is installed inside the roller gear 9, a cushion 81 is fixedly connected to the surface of the chamber 8 and reduces the damage of a steel pipe when the steel pipe rotates in the chamber 8, a main shaft 12 is fixedly connected to the middle position of the rear end of the, the whole device is driven to move, foot pads 14 are fixedly connected to two sides of the bottom end of the lower shell 2, through the arrangement of the gears, the racks 6, the belt 72, the containing cavity 8 and other structures, when pickling operation is performed on a steel pipe, the rotating rod 21 is driven through the rotary regulator 23, the length of the lower shell 2 is controlled, then the device is placed above a pickling tank, the steel pipe is placed into the containing cavity 8, a worker rotates the first gear 3 by holding the rocking handle 13 with hands, the second gear 4 meshed with the first gear 3 circularly moves around the circle center of the first gear 3 to drive the racks 6 to move up and down, meanwhile, the racks 6 drive the gears on two sides to rotate, when the racks 6 rise, the third gear 10 at the bottom ends of the racks slides to the top of the slide way 102 due to the extension of the highest point of the telescopic rod 101, the third gear 10 is separated from the roller gear 9, the roller gear 9 stops rotating, so that the pickling, when the rack 6 descends, the shortening of the telescopic rod 101 enables the third gear 10 to slide to the lowest point of the slide way 102 and finally contact with the roller gear 9, in the process, the belt drives the third gear 10 to rotate all the time, so when the third gear 10 descends to the lowest point and contacts with the roller gear 9, the roller gear 9 is driven to rotate, the accommodating cavity 8 arranged inside the roller gear 9 rotates, the steel pipe placed inside the accommodating cavity is enabled to be continuously overturned when entering the pickling tank, the pickling efficiency is improved, and the risk of workers is reduced.

The working principle is as follows: when the pickling operation is performed on the steel pipe, the rotating rod 21 is driven to be continuously away from the lower shell through the rotary adjuster 23, the distance between the two sides of the lower shell is continuously lengthened, the width of the lower shell 2 is controlled, then the device is placed above a pickling tank, the steel pipe is placed in the accommodating cavity 8, a worker holds the rocking handle 13 to rotate, so that the first gear 3 starts to rotate, the second gear 4 meshed in the device moves circularly around the center of the first gear 3 to drive the rack 6 to move up and down, meanwhile, the rack 6 drives the gears on the two sides to rotate, when the rack 6 rises, the third gear 10 moves leftwards under the limiting action of the slide way 102 while receiving rising tensile force, so that the third gear 10 at the bottom end of the rack enables the telescopic rod 101 to extend to slide to the highest point of the slide way 102, the third gear 10 is separated from the roller gear 9, and the roller gear 9 stops rotating, the sputtering of the pickling solution to the workers during the rising process is prevented, when the rack 6 descends, the third gear 10 moves rightwards under the limiting action of the slide way 102 while receiving the descending pulling force, so that the third gear 10 at the bottom end of the rack shortens the telescopic rod 101, the third gear 10 slides to the lowest point of the slide way 102 and finally contacts with the roller gear 9, in the process, the belt always drives the third gear 10 to rotate, so that when the third gear 10 descends to the lowest point and contacts with the roller gear 9, the roller gear 9 is driven to rotate, the accommodating cavity 8 arranged in the roller gear 9 rotates, the steel pipe placed in the roller gear 9 is continuously overturned when entering the pickling tank, in the whole pickling process, when the control device of the workers ascends and descends, the steel pipe in the roller can rotate to enhance the cleaning effect, and in the ascending process, the roller stops rotating, liquid in the pickling tank is prevented from sputtering, risks are reduced, and pickling work of the steel pipe is completed safely.

It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or operations, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus, without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a zinc-plated steel pipe elevating gear for pickling, includes casing (1) and casing (2) down, its characterized in that: go up the inside upper end intermediate position of casing (1) and be provided with first gear (3), the inside meshing of first gear (3) is connected with second gear (4), rocker (5) before the intermediate position fixedly connected with of second gear (4), the other end of preceding rocker (5) rotates and is connected with rack (6), the both sides of rack (6) all mesh and are connected with lifting gear (7), the internally mounted of the lower extreme fixedly connected with roller gear (9) of rack (6), the roller gear (9) of telling has chamber (8), the equal fixedly connected with callus on the sole (14) in bottom both sides of casing (2) down.

2. The lifting device for pickling of galvanized steel pipes as claimed in claim 1, characterized in that: cavity (22) have all been seted up to the inside both sides in top of lower casing (2), the internally mounted of cavity (22) has bull stick (21) that extends to casing (2) both sides face down.

3. The lifting device for pickling of galvanized steel pipes as claimed in claim 2, characterized in that: the outer side of the rotating rod (21) is fixedly connected with an adjuster (23).

4. The lifting device for pickling of galvanized steel pipes as claimed in claim 1, characterized in that: the bottom end of the front rocker (5) is fixedly connected with a bearing (51).

5. The lifting device for pickling of galvanized steel pipes as claimed in claim 1, characterized in that: a sliding rail (61) is arranged in the middle of the rack (6), and a sliding block (62) is mounted inside the sliding rail (61).

6. The lifting device for pickling of galvanized steel pipes as claimed in claim 1, characterized in that: the middle position of the lifting gear (7) is fixedly connected with a belt pulley (71), and the surface of the belt pulley (71) is connected with a belt (72) in a sliding manner.

7. The lifting device for pickling of galvanized steel pipes as claimed in claim 6, characterized in that: the other end of the belt (72) is fixedly connected with a third gear (10) in a rotating mode.

8. The lifting device for pickling of galvanized steel pipes as claimed in claim 1, characterized in that: the surface of the cavity (8) is fixedly connected with a cushion pad (81).

9. The lifting device for pickling of galvanized steel pipes as claimed in claim 7, characterized in that: the right side of the third gear (10) is fixedly connected with an expansion link (101), and the rear end of the third gear (10) is connected with a slide way (102) in a sliding manner.

10. The lifting device for pickling of galvanized steel pipes as claimed in claim 1, characterized in that: the middle position of the rear end of the first gear (3) is fixedly connected with a main shaft (12), and the surface of the main shaft is fixedly connected with a rear rocker (11) and a rocking handle (13) respectively.