CN218932201U

CN218932201U - Device convenient to change blast furnace cross thermoscope

Info

Publication number: CN218932201U
Application number: CN202223429148.6U
Authority: CN
Inventors: 陈伟震; 于荣军; 曹鹏; 陈思思; 申海涛
Original assignee: Handan Iron and Steel Group Co Ltd; HBIS Co Ltd Handan Branch
Current assignee: Handan Iron and Steel Group Co Ltd; HBIS Co Ltd Handan Branch
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-04-28
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to a device for conveniently replacing a blast furnace cross-shaped temperature detector, which comprises an I-steel bracket, a pulley block, a push-pull buckle bracket, a push-pull buckle, a guide chain and a steel wire. One side of the I-steel bracket is provided with a footing support, and the other side of the I-steel bracket takes the wall edge of the blast furnace as a supporting point; the two ends of the I-steel bracket are respectively provided with a baffle, a replacement space is reserved on the baffle at one end without the footing support, and the baffle is arranged below the baffle; the footing support of the I-steel bracket is provided with a fixing hole; one pulley block is provided with a guide chain for adjusting the spatial position of the temperature detector body, the other pulley block is provided with a push-pull buckle bracket and a push-pull buckle for clamping the temperature detector, the temperature detector is pushed in or pulled out to enter the working position, the two pulley blocks are connected by adopting a steel wire, and the two pulley blocks can synchronously move after the temperature detector is pulled out by a certain distance, and the temperature detector body is pulled out or pushed in. The device effectively adjusts the space position of the temperature detector, can rapidly push or pull out the temperature detector, saves the personnel amount of the temperature detector for each replacement, and improves the labor efficiency.

Description

Device convenient to change blast furnace cross thermoscope

Technical Field

The patent application belongs to the technical field of blast furnace hearth equipment, and more particularly relates to a device convenient for replacing a blast furnace cross-shaped temperature detector.

Background

In recent years, with the increase of the capacity of a blast furnace and the enlargement of equipment, the technical content of overhauling is higher and higher, and the difficulty of replacing large-sized equipment by using common hoisting tools is higher and higher. The cross temperature measuring device is arranged on the throat or the cover of the blast furnace in a cross mode and is used for measuring the temperature of the gas on the charge level in the blast furnace. The cross temperature measuring device has the characteristics of high reliability, good continuity, digitalization and the like. The radial temperature of the furnace throat is continuously and accurately measured, so that the distribution condition of the radial gas flow of the furnace throat is judged. The total length of each cross temperature detector/device of the blast furnace is 5400mm, the thickest part is phi 300mm, the total weight reaches 2 tons, the cross temperature detector/device is uniformly distributed in four points and is obliquely installed, the difficulty in taking out is high during each replacement, the site position is unsuitable, the replacement time is long, the time for replacing one cross temperature detector is about 10 hours, more manpower is involved, moreover, the number of maintenance personnel is insufficient, and negative pressure is increased for each time of blast furnace repair projects.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a device of the blast furnace cross temperature detector, which is safe, practical, reliable in work, simple and convenient to operate and convenient for quick replacement on site during the blast furnace repair.

In order to solve the problems, the utility model adopts the following technical scheme:

a device for conveniently replacing a blast furnace cross-shaped temperature detector comprises an I-shaped steel bracket, a first pulley block, a second pulley block, a push-pull buckle bracket, a guide chain, a steel wire and a push-pull buckle, wherein a foot support is arranged on one side of the I-shaped steel bracket, and the other side of the I-shaped steel bracket is placed on a wall edge of a blast furnace by taking the wall edge of the blast furnace as a supporting point;

the first pulley block and the second pulley block are arranged in the I-shaped steel bracket in a straight shape and can slide along the I-shaped steel bracket, a steel wire is connected between the first pulley block and the second pulley block, the first pulley block is close to the wall edge of the blast furnace, and a guide chain for being fixed on the cross-shaped temperature detector is arranged on the first pulley block; the second pulley block is close to the footing support, a push-pull buckle bracket is arranged on the second pulley block, and a push-pull buckle for clamping the cross temperature detector is arranged on the push-pull buckle bracket.

Further, the two ends of the I-steel bracket are respectively provided with a baffle, the upper part of the baffle at one end without the foot support is provided with a space opening for replacing the pulley position, and the foot support is provided with a plurality of fixing holes.

Further, the first pulley block and the second pulley block are pulley blocks with frames.

Further, the push-pull buckle support is in a cross shape or a straight shape.

Further, the number of the fixing holes is 2-6.

Further, the push-pull buckle comprises a horizontal first part and a horizontal second part which are mutually hinged, the outer ends of the horizontal first part and the horizontal second part are respectively provided with a claw, the push-pull buckle support is fixedly arranged on the horizontal first part or the horizontal second part, and the claws are used for clamping the cross-shaped temperature detector.

Further, the jaws are wedge-shaped jaws.

Due to the adoption of the technical scheme, the beneficial effects obtained by the utility model are as follows:

the device provides a safe and practical, light, reliable in operation, easy and convenient to operate and convenient for on-site quick replacement of the cross temperature measuring device of the blast furnace when the blast furnace is regularly repaired, can effectively adjust the space position of the cross temperature measuring device, can quickly push or pull out the cross temperature measuring device, can save the number of people for replacing the cross temperature measuring device each time, and improves the labor efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the device.

Fig. 2 is a schematic structural view of the fixing hole in the device.

Fig. 3 is a schematic structural view of a pulley block with a frame in the device.

Fig. 4 is a schematic top view of a push-pull buckle in the device.

Wherein: i-steel support 1, first assembly pulley 2, second assembly pulley 3, push-and-pull buckle support 4, guide chain 5, steel wire 6, cross thermoscope 7, push-and-pull buckle 8, baffle 9, footing support 10, fixed orifices 11, space opening 12, horizontal one part 81, horizontal two parts 82, jack catch 83.

Detailed Description

The present utility model will be described in further detail with reference to examples.

The device for conveniently replacing the cross-shaped temperature detector of the blast furnace comprises an I-shaped steel bracket 1, a first pulley block 2, a second pulley block 3, a push-pull buckle bracket 4 of the cross-shaped temperature detector 7, a guide chain 5, a steel wire 6 and a push-pull buckle 8 as shown in figures 1-3. The first pulley block 2 and the second pulley block 3 are pulley blocks with frames. The push-pull buckle bracket 4 is cross-shaped or straight-shaped, and can also have other structures or shapes.

One side of the I-steel bracket 1 is provided with a foot support 10, and the other side is placed on the I-steel bracket by taking the upper wall edge of the blast furnace as a supporting point.

The first pulley block 2 and the second pulley block 3 are arranged in the I-shaped steel bracket 1 in a straight line and can slide along the I-shaped steel bracket 1, and a steel wire 6 is connected between the first pulley block 2 and the second pulley block 3.

Preferably, the two ends of the i-steel bracket 1 are respectively provided with a baffle plate 9, a space opening 12 for replacing a pulley position is reserved at the upper part of the baffle plate 9 at one end without a foot support 10, and the baffle plate 9 is arranged below the space opening 12 so as to prevent the pulley block from falling out of the i-steel bracket 1. The foot support 10 on the other side of the I-steel bracket 1 is provided with a plurality of fixing holes 11, the fixing holes 11 are used for fixing the I-steel bracket 1 on the platform panel so as to prevent the I-steel bracket 1 from sliding in the working process, and the number of the fixing holes 11 can be 2-6.

The first pulley block 2 is close to the wall edge of the blast furnace, the first pulley block 2 is provided with a guide chain 5 which is used for being fixed on the cross-shaped temperature detector 7, and the guide chain 5 is used for adjusting the space position of the body of the temperature detector 7. The second pulley block 3 is close to the foot support 10, the second pulley block 3 is provided with a push-pull buckle bracket 4 of the temperature detector 7, and the push-pull buckle bracket 4 is provided with a push-pull buckle 8 for clamping the cross temperature detector 7, so that the cross temperature detector 7 can be conveniently pushed in or pulled out to enter the working position. The two pulley blocks are connected by adopting a steel wire 6, and can synchronously move after the temperature detector 7 is pulled out for a certain distance, and the cross temperature detector 7 is pulled out or pushed in.

As shown in fig. 4, the push-pull buckle 8 includes a horizontal first portion 81 and a horizontal second portion 82 which are hinged to each other, the outer ends of the horizontal first portion 81 and the horizontal second portion 82 are respectively provided with a claw 83, the push-pull buckle support 4 is fixedly arranged on the horizontal first portion 81 or the horizontal second portion 82, the claws 83 are used for clamping the cross-shaped temperature detector 7, and the claws 83 are wedge-shaped claws. The horizontal first part 81 and the horizontal second part 82 are named as a horizontal first part and a horizontal second part, and the directions of the two parts can be horizontal directions or vertical directions in actual use.

Concrete construction method

Step 1: the I-steel bracket 1 is placed at the replacement position of the cross-shaped temperature detector 7, one side of the I-steel bracket is provided with a foot support 10 which is held by two bolts, the other side of the I-steel bracket is placed on the I-steel bracket by taking the upper wall edge of the blast furnace as a supporting point, and the two sides of the I-steel bracket are respectively provided with a stop block for preventing sliding.

Step 2: and loosening a circle of fixing bolts on the cross temperature detector 7.

Step 3: the second pulley block 3 with the push-pull buckle bracket 4 is pushed to the near front, the cross-shaped temperature detector 7 is buckled by the push-pull buckle 8, and when the cross-shaped temperature detector 7 is pulled out to be more than 50% of the length of the body, the first pulley block 2 is driven to move.

Step 4: the guide chain 5 is hung on the first pulley block 2, the guide chain 5 is slightly pulled to adjust the height of the cross-shaped temperature detector body 7 until the cross-shaped temperature detector body 7 is lifted until the cross-shaped temperature detector body 7 is not contacted any more, and the whole cross-shaped temperature detector body 7 is pulled out.

Step 5: a pair of guide chains 5 can be hung at the position of the second pulley block 3, the double-insurance function is achieved, the push-pull buckle 8 is loosened, the two guide chains 5 are pulled, and the cross-shaped temperature detector body 7 is detached.

Step 6: the installation of the new cross-shaped temperature detector body 7 is completely opposite to the extraction step of the old cross-shaped temperature detector body 7.

In summary, this device convenient to change blast furnace cross thermoscope:

1) The tool is safe and reliable. The design takes into account both the safety factor when taking out the cross-shaped temperature detector 7 and the emergency measures when unexpected faults.

2) The practicability is strong. The metal part of the member of the tool is made into a self-made part and the pulley is purchased as spare parts, so that the whole design is simple and the use effect is obvious.

3) The tool is convenient to maintain, low in cost and simple to operate.

4) The tool can manually control the speed of taking out the cross temperature measuring device, and has good stability and strong operability. Greatly shortens the replacement time of the cross temperature measuring device, improves the operation rate of the blast furnace and gains time for the multiple creation of the blast furnace. Meanwhile, the labor intensity and personnel configuration of maintenance personnel during regular maintenance are relieved. The original experience is adopted to replace a cross temperature detector for about 10 hours, and 4 lifting workers, 2 gas welders, 2 electric welders and 2 fitters are required to be configured; and a novel tool is adopted to remove the cross temperature detector 7, and a new cross temperature measuring spare part is installed in place, the time spent is 3 hours, the configuration of maintenance personnel is halved, the maintenance efficiency is greatly improved, the blast furnace maintenance time is shortened, and the blast furnace maintenance operation rate is improved.

Claims

1. A device convenient to change blast furnace cross thermoscope which characterized in that: the device comprises an I-shaped steel bracket (1), a first pulley block (2), a second pulley block (3), a push-pull buckle bracket (4), a guide chain (5), a steel wire (6) and a push-pull buckle (8), wherein a footing support (10) is arranged on one side of the I-shaped steel bracket (1), and a supporting point is arranged on the other side of the I-shaped steel bracket by taking a wall edge of a blast furnace as a supporting point;

the first pulley block (2) and the second pulley block (3) are arranged in the I-shaped steel bracket (1) in a straight line and can slide along the I-shaped steel bracket (1), a steel wire (6) is connected between the first pulley block (2) and the second pulley block (3), the first pulley block (2) is close to the wall edge of the blast furnace, and a guide chain (5) used for being fixed on the cross-shaped temperature detector (7) is arranged on the first pulley block (2); the second pulley block (3) is close to the footing support (10), a push-pull buckle support (4) is arranged on the second pulley block (3), and a push-pull buckle (8) for clamping the cross temperature detector (7) is arranged on the push-pull buckle support (4).

2. The device for facilitating replacement of a blast furnace cross-shaped temperature detector according to claim 1, wherein: the two ends of the I-steel bracket (1) are respectively provided with a baffle plate (9), the upper part of the baffle plate (9) without the end of the foot support (10) is provided with a space opening (12) for replacing the pulley position, and a plurality of fixing holes (11) are distributed on the foot support (10).

3. The device for facilitating replacement of a blast furnace cross-shaped temperature detector according to claim 1, wherein: the first pulley block (2) and the second pulley block (3) are pulley blocks with frames.

4. The device for facilitating replacement of a blast furnace cross-shaped temperature detector according to claim 1, wherein: the push-pull buckle bracket (4) is in a cross shape or a straight shape.

5. The device for facilitating replacement of a blast furnace cross-shaped temperature detector according to claim 2, wherein: the number of the fixing holes (11) is 2-6.

6. A device for facilitating replacement of a blast furnace cross-shaped temperature detector according to any one of claims 1 to 5, wherein: the push-pull buckle (8) comprises a horizontal first part (81) and a horizontal second part (82) which are mutually hinged, the outer ends of the horizontal first part (81) and the horizontal second part (82) are respectively provided with a claw (83), the push-pull buckle support (4) is fixedly arranged on the horizontal first part (81) or the horizontal second part (82), and the claws (83) are used for clamping the cross-shaped temperature detector (7).

7. The device for facilitating replacement of a blast furnace cross-shaped temperature detector according to claim 6, wherein: the jaws (83) are wedge-shaped jaws.