CN217475875U

CN217475875U - Quick assembly disassembly tools of annealing stove bottom fixed screw

Info

Publication number: CN217475875U
Application number: CN202221313892.7U
Authority: CN
Inventors: 陈浩; 周三保; 邓先强
Original assignee: Pangang Group Xichang Steel and Vanadium Co Ltd
Current assignee: Pangang Group Xichang Steel and Vanadium Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-23
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses an annealing stove bottom fixed screw quick assembly disassembly instrument, include: a double U-shaped tool, a U-shaped groove and a T-shaped rod; the double-U-shaped tool is connected with the T-shaped rod; and a U-shaped groove is formed in the double-U-shaped tool. The utility model solves the operation safety problem of the bottom cover of the disassembly and assembly annealing furnace, shortens the accident or the maintenance processing time, and saves the physical strength of the operating personnel.

Description

Quick assembly disassembly tools of annealing stove bottom fixed screw

Technical Field

The utility model belongs to the technical field of metallurgical equipment, in particular to quick assembly disassembly tools of annealing stove bottom fixed screw.

Background

The continuous annealing furnace adopts a fully-closed hearth structure, NHx mixed gas is filled in the hearth to form strip steel anti-oxidation reduction protective gas, and the gas is filled in the closed hearth to form positive pressure for isolating air, so that strip steel oxidation in the annealing process is avoided. When the furnace is clean and sanitary in the continuous annealing furnace, equipment is overhauled, a furnace roller is replaced, and production accidents occur in the furnace, the furnace bottom cover plate needs to be disassembled and assembled, the annealing furnace is cooled and ventilated, subsequent maintainers enter the annealing furnace to perform equipment maintenance and production accident treatment, after the treatment is finished, the furnace bottom cover plate needs to be reinstalled on the furnace shell, and the hearth is closed again.

When the furnace bottom cover is disassembled and assembled, because the furnace cover is heavy and large in size, the cover is horizontally moved to the position of the furnace cover through the cover unloading trolley to be supported, and then the fastening screw is disassembled. The conventional method is to rotate the screw by tapping movable support rods at both ends of the fastening nut to achieve the purpose of detaching the fastening screw. This method has several problems: 1) the personnel stand at the upper edge of the cover unloading trolley, and when the support rod is knocked, the gravity center of the personnel is unstable and the personnel is easy to fall down; 2) the operating personnel hold the iron bar by hand and beat the high branch, and personnel's operation is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model discloses an annealing stove bottom fixed screw quick assembly disassembly instrument, include: a double U-shaped tool, a U-shaped groove and a T-shaped rod;

the double-U-shaped tool is connected with the T-shaped rod;

and a U-shaped groove is formed in the double-U-shaped tool.

Furthermore, the double-U-shaped tool comprises a first column body, a second column body and a third column body;

the first column body and the second column body are arranged in parallel;

and two ends of the third cylinder are respectively connected with the first cylinder and the second cylinder.

Furthermore, the cross sections of the first column, the second column and the third column are circular, rectangular or square.

Furthermore, the U-shaped groove comprises a first U-shaped groove and a second U-shaped groove;

the first U-shaped groove is formed in the first column body;

the second U-shaped groove is formed in the second column body.

Still further, the T-bar includes a first bar and a second bar;

the first rod is connected with the second rod.

Still further, the first bar is perpendicular to the second bar.

Further, the first rod is connected to a third cylinder.

Furthermore, protective sleeves are arranged at two ends of the second rod.

Furthermore, the protective sleeve is made of plastic or rubber.

Furthermore, the double-U-shaped tool, the U-shaped groove and the T-shaped rod are all made of carbon steel.

Compared with the prior art, the beneficial effects of the utility model are that: the problem of the operation safety of dismouting annealing stove bottom is solved, shorten accident or maintenance treatment time, save operation personnel physical power.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a schematic structural view of a fastening bolt;

fig. 2 shows a schematic structural diagram of a quick-release tool according to an embodiment of the present invention.

Reference numerals: 1. a screw rod; 2. a nut; 3. moving the strut; 4. a nut; 5. a double U-shaped tool; 5-1, a first column; 5-2, a second cylinder; 5-3, a third column; 6. a U-shaped groove; 6-1, a first U-shaped groove; 6-2, a second U-shaped groove; 7. a T-shaped rod; 7-1, a first rod; 7-2 and a second rod.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely illustrate the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 shows a schematic structural view of a fastening bolt. As shown in fig. 1, the fastening bolt includes a screw shaft 1, a nut 2, a moving rod 3, and a nut 4. The screw cap 2 is connected with the screw rod 1 through threads, the screw rod 1 is fixedly connected with the nut 4, and the movable support rod 3 penetrates through holes formed in two sides of the end portion of the nut 4. In field operation, the movable support rod 3 is knocked to drive the nut 4 to rotate, so that the screw rod 1 is contracted, and the furnace bottom cover of the annealing furnace is tightened or disassembled in conventional operation. However, in the operation process, an operator stands at the edge of the cover-unloading trolley and is easy to fall down when knocking the movable supporting rod 3, and the operator needs to knock the movable supporting rod 3 for multiple times by using an iron rod to tighten or disassemble the furnace bottom cover of the annealing furnace, so that the operation process is time-consuming and labor-consuming, has large potential safety hazard, prolongs the overhaul time of the annealing furnace, and is not beneficial to rapidly completing the overhaul and maintenance of the annealing furnace.

The utility model discloses in provide an annealing stove bottom fixed screw quick assembly disassembly instrument, include: a double U-shaped tool 5, a U-shaped groove 6 and a T-shaped rod 7;

the double-U-shaped tool 5 is connected with the T-shaped rod 7 through welding or threads;

and a U-shaped groove 6 is arranged on the double-U-shaped tool 5.

In some embodiments, the double U-shaped tool 5 includes a first column 5-1, a second column 5-2, and a third column 5-3;

the first column 5-1 and the second column 5-2 are arranged in parallel;

two ends of the third cylinder 5-3 are respectively connected with the first cylinder 5-1 and the second cylinder 5-2;

the first column 5-1 and the third column 5-3 are connected by welding or threads;

the second cylinder 5-2 is connected with the third cylinder 5-3 through welding or threads.

In some embodiments, the first column 5-1, the second column 5-2, and the third column 5-3 are of a one-piece design.

In some embodiments, the first column 5-1, second column 5-2, and third column 5-3 are circular, rectangular, or square in cross-section. In order to reduce the weight of the double-U-shaped tool 5, the first column body 5-1, the second column body 5-2 and the third column body 5-3 can adopt hollow column bodies or steel pipes on the premise of ensuring the strength. The third column 5-3 may also be a steel plate.

In some embodiments, the U-shaped grooves 6 include a first U-shaped groove 6-1 and a second U-shaped groove 6-2;

the first U-shaped groove 6-1 is arranged on the first column 5-1;

the second U-shaped groove 6-2 is arranged on the second column body 5-2. The U-shaped groove of the first U-shaped groove 6-1 and the second U-shaped groove 6-2 is matched with the movable support rod 3 in size.

Illustratively, the first U-shaped groove 6-1 and the second U-shaped groove 6-2 can be formed by cutting U-shaped grooves adapted to the movable rod 3 on the first cylinder 5-1 and the second cylinder 5-2, or can be formed integrally.

It should be noted that, the position of the first U-shaped groove 6-1 on the first column 5-1 may be adaptively adjusted according to actual requirements, and may be disposed at the middle position of the first column 5-1 (as shown in fig. 2), or may be disposed at the end of the first column 5-1, the positions of the first U-shaped groove 6-1 and the second U-shaped groove 6-2 are merely exemplary, and should not be limited in any way to the implementation process of the embodiment of the present invention.

In some embodiments, the T-bar 7 comprises a first bar 7-1 and a second bar 7-2;

the first rod 7-1 and the second rod 7-2 are connected by welding or threads, and can also be of an integrally formed design. The first rod 7-1 and the second rod 7-2 can be cylinders or steel pipes. The second bar 7-2 is longer than the mobile strut 3.

The first bar 7-1 is perpendicular to the second bar 7-2.

The first rod 7-1 is connected with the third cylinder 5-3 by welding or screw threads. In some designs, the double U-shaped tool 5 and the T-shaped bar 7 may be integrally formed. In one embodiment, the T-bar 7 is a T-shaped steel tube with a length of 1.2m and a diameter of 5 cm.

In order to facilitate the holding of the T-shaped rod 7, two ends of the second rod 7-2 are provided with protective sleeves. The protective sleeve is made of plastic or rubber and the like. In some designs, the grip is improved by wrapping insulating tape around the ends of the second rod 7-2.

In some embodiments, the double U-shaped tool 5, the U-shaped groove 6 and the T-shaped bar 7 are all made of carbon steel.

The quick assembly disassembly instrument has solved the operation safety problem of dismouting annealing stove bottom, shortens accident or maintenance treatment time, saves operation personnel physical power.

The specific use method of the quick assembly and disassembly tool is as follows:

an operator sleeves the first U-shaped groove 6-1 and the second U-shaped groove 6-2 of the quick dismounting tool at two ends of the movable supporting rod 3, stands on the ground to manually rotate the T-shaped rod 7, and drives the nut 4 to rotate through the movable supporting rod 3, so that the purpose of fastening or loosening the fastening bolt is achieved.

It should be appreciated that reference throughout this specification to "one embodiment" or "some embodiments" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present disclosure, the sequence numbers of the above-mentioned processes do not imply an order of execution, and the order of execution of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present disclosure.

It will be understood that the terms "first," "second," "third," and the like as used in this disclosure may be used in this disclosure to describe various structures, but these structures are not limited by these terms. These terms are only used to distinguish between structures.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an annealing stove bottom fixed screw quick assembly disassembly instrument which characterized in that includes: a double U-shaped tool (5), a U-shaped groove (6) and a T-shaped rod (7);

the double-U-shaped tool (5) is connected with the T-shaped rod (7);

and a U-shaped groove (6) is arranged on the double-U-shaped tool (5).

2. The annealing furnace bottom cover fixing screw quick-dismounting tool according to the claim 1, characterized in that the double U-shaped tool (5) comprises a first cylinder (5-1), a second cylinder (5-2) and a third cylinder (5-3);

the first column body (5-1) and the second column body (5-2) are arranged in parallel;

two ends of the third cylinder (5-3) are respectively connected with the first cylinder (5-1) and the second cylinder (5-2).

3. The rapid dismounting and mounting tool for the set screw of the bottom cover of the annealing furnace as claimed in claim 2, characterized in that the cross section of the first cylinder (5-1), the second cylinder (5-2) and the third cylinder (5-3) is circular, rectangular or square.

4. The rapid dismounting and mounting tool for the fixing screw of the bottom cover of the annealing furnace as claimed in claim 3, characterized in that the U-shaped groove (6) comprises a first U-shaped groove (6-1) and a second U-shaped groove (6-2);

the first U-shaped groove (6-1) is arranged on the first column body (5-1);

the second U-shaped groove (6-2) is arranged on the second column body (5-2).

5. The annealing furnace bottom cover set screw quick-release tool according to claim 4, characterized in that the T-shaped bar (7) comprises a first bar (7-1) and a second bar (7-2);

the first rod (7-1) is connected with the second rod (7-2).

6. The rapid disassembly and assembly tool for a fixing screw of a bottom cover of an annealing furnace according to claim 5, characterized in that the first rod (7-1) is perpendicular to the second rod (7-2).

7. The rapid dismounting tool for the fixing screw of the bottom cover of the annealing furnace according to the claim 5 or 6, characterized in that the first rod (7-1) is connected with the third cylinder (5-3).

8. The annealing furnace bottom cover fixing screw quick assembly disassembly tool of claim 5 or 6, characterized in that, both ends of the second rod (7-2) are provided with protective sleeves.

9. The rapid dismounting and mounting tool for the set screw of the bottom cover of the annealing furnace as recited in claim 8, wherein the protective sleeve is made of plastic or rubber.

10. The quick disassembling tool for the fixed screw of the bottom cover of the annealing furnace according to claim 1, characterized in that the double U-shaped tool (5), the U-shaped groove (6) and the T-shaped rod (7) are made of carbon steel.