Furnace roller transferring tool in heat treatment furnace

Abstract

A furnace roller transferring tool in a heat treatment furnace comprises a cross beam, a U-shaped supporting part used for supporting a furnace roller to be replaced, a first rolling part and a second rolling part, the first rolling part and the second rolling part are erected on furnace rollers on the two adjacent sides of the furnace roller to be replaced, and the first rolling part and the second rolling part are symmetrically arranged at the bottom of the cross beam; the opening end of the U-shaped supporting part penetrates through the top of the cross beam along the bottom of the cross beam, and the U-shaped supporting part can move up and down in the vertical direction; a locking piece is arranged at the opening end of the U-shaped supporting part, and a space capable of accommodating the cross section of the furnace roller is formed by the closed end of the U-shaped supporting part and the cross beam; the U-shaped supporting part is located between the first rolling part and the second rolling part. The device is simple and compact in structure, effectively improves the replacement and maintenance efficiency of the furnace roller, reduces the construction cost, and guarantees the maintenance safety in the furnace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat treatment furnace, in particular to a heat treatment furnace in -furnace roller transfer dress. BACKGROUND

[0002] During the replacement of the in-furnace roller of the thick plate heat treatment furnace, the construction personnel needs to enter the furnace chamber for construction, which belongs to the secondary high-risk operation project in the restricted space and the gas area, and the operation risk coefficient is large. Since the roller is in the furnace chamber, it cannot be directly lifted out by the crane, but needs to be first rolled out of the furnace chamber to the outside of the furnace chamber before being lifted out. The roller needs to be rolled from the outside of the furnace chamber to the corresponding installation position in the furnace before being installed. During the construction process, the space in the furnace is small, there is no corresponding maintenance platform, and there are radiation pipes in the furnace, which is not convenient for the maintenance personnel to move in the furnace chamber and on-site construction, which increases the difficulty of the rolling out and rolling in of the roller.

[0003] In the prior art, the in-furnace transfer dress is usually specially made according to the specific working conditions, which includes two groups of column support structures. When in use, the two groups of column support structures are supported on the bottom of the roller to be replaced in the furnace, and the roller is rolled by the guide wheels. The roller is pulled out by the chain hung on the roller transfer dress outside the furnace, and the roller is manually pushed in, so as to facilitate the rolling out and rolling in of the roller.

[0004] However, the in-furnace transfer dress needs to be disassembled before being assembled and erected in the furnace, which takes a long time and has a large workload, and increases the inconvenience of maintenance. At the same time, due to the large mass of the existing in-furnace transfer dress, during the rolling of the same roller in the furnace, the in-furnace transfer dress often needs to be moved to adapt to the actual rolling position of the roller. In addition, when the next roller is removed, the guide wheel part of the in-furnace transfer dress needs to be disassembled and moved until the guide wheel part is installed again under the next roller to be removed. This method increases the workload of the construction personnel, the maintenance time and the construction cost. In addition, since the existing in-furnace transfer dress is a support structure and the base has no fixing measures, there is a friction force between the roller and the guide wheel part of the in-furnace transfer dress during the rolling of the roller. Naturally, the opposite direction will generate a pulling force consistent with the direction of movement of the roller, which is easy to make the erected in-furnace transfer dress fall down, and the roller rolling process is dangerous, which is not conducive to the safety of maintenance. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the utility model is to provide an in-furnace roller transfer dress for a heat treatment furnace, which effectively improves the maintenance efficiency of the roller replacement and reduces the construction cost.

[0006] The utility model provides a kind of hot-treatment furnace furnace roll inverting tool in furnace, including crossbeam, the U-shaped support part for supporting to be replaced furnace roll, erect in the first rolling part and the second rolling part of the adjacent two sides furnace roll of to be replaced furnace roll, the first rolling part and the second rolling part are symmetrically arranged in the bottom of the crossbeam;The open end of the U-shaped support part is along crossbeam bottom and penetrates crossbeam top, and the U-shaped support part can be up and down active in vertical direction;Locking piece is equipped on the open end of the U-shaped support part, and the closed end of the U-shaped support part and the crossbeam form space that can accommodate the cross section of furnace roll;The U-shaped support part is between the first rolling part and the second rolling part.

[0007] Preferably, the first rolling part includes at least three fixed seats, which are arranged in an inverted V shape, and each fixed seat is provided with a roller, so that the roller is attached to the side wall of the adjacent furnace roll to be replaced.

[0008] Preferably, the crossbeam is provided with a groove, which can be attached to the side wall of the furnace roll, and the groove is oppositely arranged with the closed end of the U-shaped support part.

[0009] Preferably, the surface of the roller is coated with plastic or rubber.

[0010] As described above, the hot-treatment furnace furnace roll inverting tool in furnace has the following advantages:

[0011] The first rolling part and the second rolling part are erected on the adjacent two sides of the furnace roll to be replaced, and then the open end of the U-shaped support part is penetrated through the crossbeam along the bottom of the furnace roll to be replaced. The closed end of the U-shaped support part is in contact with the side wall of the furnace roll to be replaced. By rotating the adjusting part, the U-shaped support part is moved upward, and then the furnace roll to be replaced is moved upward to be in a suspended state. By pulling the furnace roll, the first rolling part and the second rolling part are moved along the adjacent two sides of the furnace roll to be replaced, and then the furnace roll to be replaced is easily inverted out of the furnace. The utility model has the advantages of simple and compact structure, improved efficiency of furnace roll replacement and maintenance, reduced construction cost, and ensured safety of furnace maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The utility model provides a kind of hot-treatment furnace furnace roll inverting tool in furnace of three-dimensional schematic view for embodiment of the utility model.

[0013] Figure 2 The utility model provides a kind of hot-treatment furnace furnace roll of front view for embodiment of the utility model.

[0014] Figure 3 The utility model provides a kind of hot-treatment furnace furnace roll of plan view for embodiment of the utility model.

[0015] Figure 4 The side view of the furnace roller in the heat treatment furnace is provided for an embodiment of the utility model.

[0016] Figure 5 The front view of the furnace roller in the heat treatment furnace is provided for an embodiment of the utility model.

[0017] BRIEF DESCRIPTION OF DRAWINGS

[0018] 100, beam; 110, groove; 200, U-shaped support portion; 300, first rolling portion; 310, fixing seat; 320, roller; 400, second rolling portion; 500, adjusting portion. DETAILED DESCRIPTION

[0019] The embodiments of the utility model will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0020] It should be understood that the structure, proportion, size, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the utility model that can be implemented, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects that can be produced by the utility model and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear understanding of the description, and are not used to limit the scope of the utility model that can be implemented. The change or adjustment of the relative relationship, without substantial change of technical content, is also considered as the scope of the utility model that can be implemented.

[0021] As Figures 1 to 5As shown, an embodiment of the furnace roller in-furnace handling device of a heat treatment furnace comprises a crossbeam 100, a U-shaped support 200 for supporting the furnace roller to be replaced, a first rolling part 300 and a second rolling part 400 erected on the furnace rollers adjacent to the two sides of the furnace roller to be replaced, and the first rolling part 300 and the second rolling part 400 are symmetrically and detachably arranged at the bottom of the crossbeam 100 to drive the crossbeam to move along the axial direction of the furnace roller to be replaced. The open end of the U-shaped support 200 penetrates the top of the crossbeam 100 along the bottom of the crossbeam 100, and the U-shaped support 200 can move up and down along the vertical direction. An adjusting part 500 is arranged on the open end of the U-shaped support 200, and rotating the adjusting part 500 can realize the up-and-down movement of the U-shaped support 200 along the vertical direction. The closed end of the U-shaped support 200 and the crossbeam 100 form a space capable of accommodating the cross section of the furnace roller, and the U-shaped support 200 is located between the first rolling part 300 and the second rolling part 400. The first rolling part 300 and the second rolling part 400 are erected on the furnace rollers adjacent to the two sides of the furnace roller to be replaced, and the support force is provided by the furnace rollers adjacent to the two sides of the furnace roller to be replaced, so as to rotate the adjusting part 500, drive the U-shaped support 200 to lift the furnace roller to be replaced until it is in a suspended state, and facilitate the furnace roller to be poured out from the hearth. Preferably, the adjusting part 500 and the open end of the U-shaped support 200 are threadedly connected.

[0022] When disassembling the old furnace roller, the crossbeam 100, the U-shaped support 200, the first rolling part 300 and the second rolling part 400 are assembled in the hearth, the first rolling part 300 and the second rolling part 400 are fixed to the bottom of the crossbeam, and the first rolling part 300 and the second rolling part 400 are erected on the furnace rollers adjacent to the two sides of the furnace roller to be disassembled, without direction and sequence limitation. Then, the open end of the U-shaped support 200 penetrates the crossbeam 100 from the bottom of the furnace roller to be disassembled along the vertical direction, until the closed end of the U-shaped support 200 abuts against the bottom of the furnace roller, and the adjusting part 500 is installed on the open end of the U-shaped support 200. The U-shaped support 200 is lifted by rotating the adjusting part 500, and then the furnace roller to be disassembled is lifted until the bottom of the furnace roller to be disassembled is in a suspended state. Under the combined action of the U-shaped support 200, the first rolling part 300 and the second rolling part 400, the furnace roller is in a clamped state. The furnace roller to be disassembled is pulled by a chain or a steel wire rope, so that the furnace roller moves axially together with the first rolling part 300 and the second rolling part 400. When the in-furnace handling device needs to be removed close to the furnace wall, the adjusting part 500 is rotated to loosen the furnace roller to be replaced. Finally, the furnace roller is pulled out as a whole to the out-of-furnace handling device outside the hearth, and is lifted to a predetermined position by a lifting device.

[0023] It should be noted that in order to stably pull out the furnace roller outside the hearth, two sets of the furnace roller in-furnace hoisting tools can also be used together, and two sets of tool openings can be arranged at the head and tail ends of the furnace roller. When the furnace roller to be replaced is pulled out of the hearth for a distance, the first set of furnace roller in-furnace hoisting tools needs to be removed because it has approached the furnace wall. After the U-shaped support part 200 of the first set of furnace roller in-furnace hoisting tools is loosened by rotating the adjusting part 500, the furnace roller continues to be pulled out. When the furnace roller is mostly pulled out or the second set of furnace roller in-furnace hoisting tools has approached the furnace wall and needs to be removed, the U-shaped support part 200 of the second set of furnace roller in-furnace hoisting tools is loosened by rotating the adjusting part 500, and the furnace roller continues to be pulled out until the furnace roller is completely pulled out of the hearth.

[0024] When installing a new furnace roller, the new furnace roller is hoisted onto the furnace-outer furnace roller hoisting tool by hoisting equipment, and the new furnace roller is reasonably pushed into the hearth by furnace-outer construction personnel. After the new furnace roller is moved a certain distance, the furnace-outer furnace roller hoisting tool is installed by the furnace-internal construction personnel in the manner described above, which will not be repeated here. The new furnace roller is continuously pushed by the furnace-outer construction personnel until the new furnace roller is completely pushed into the furnace, and the position of the new furnace roller is adjusted to a horizontal state by rotating the adjusting part 500 and lifting the new furnace roller by the U-shaped support part 200.

[0025] It should be noted that in order to stably install a new furnace roller, two sets of furnace roller in-furnace hoisting tools can also be used in this embodiment. When installing, the new furnace roller is hoisted onto the furnace-outer furnace roller hoisting tool by hoisting equipment, and the new furnace roller is reasonably pushed into the hearth by furnace-outer construction personnel. The second set of furnace roller in-furnace hoisting tools is pre-installed by the furnace-internal construction personnel, and the new furnace roller is continuously pushed into the furnace by the furnace-outer construction personnel. When the furnace roller is mostly pushed into the hearth, the first set of furnace roller in-furnace hoisting tools is installed. The new furnace roller is completely pushed into the furnace, and the position of the new furnace roller is adjusted to a horizontal state by rotating the adjusting part 500 and lifting the new furnace roller by the U-shaped support part 200.

[0026] In an embodiment, as shown in Figures 1 to 4 The first rolling part 300 includes at least three fixed seats 310 arranged in an inverted V shape, and each fixed seat 310 is provided with a roller 320. The surface of each roller 320 is covered with plastic or rubber. The second rolling part 400 has the same structure as the first rolling part 300. In use, the rollers 320 are attached to the side walls of adjacent furnace rollers to be replaced, so that the rollers move along the axial direction of the furnace roller to reduce deviation.

[0027] In an embodiment, as shown in Figure 5As shown, the crossbeam 100 is provided with a groove 110, the groove 110 can be attached with the furnace roller side wall, the groove 110 and the closed end of the U-shaped support part 200 are oppositely arranged. Rotate the adjusting part 500, the U-shaped support part 200 drives the furnace roller to be replaced to rise, until the furnace roller side wall is attached with the bottom wall of the groove 110, so as to ensure that the furnace roller is in the clamping state during the axial movement.

[0028] In summary, the first rolling part and the second rolling part of the utility model are erected on the two adjacent furnace rollers of the furnace roller to be replaced, then the open end of the U-shaped support part is penetrated through the crossbeam along the bottom of the furnace roller to be replaced, and the closed end of the U-shaped support part is abutted with the side wall of the furnace roller to be replaced. By rotating the adjusting part, the U-shaped support part is driven to move upwards, and then the furnace roller to be replaced is driven to move upwards to be in a suspended state. Pulling the furnace roller drives the first rolling part and the second rolling part to move along the two adjacent furnace rollers of the furnace roller to be replaced, and then the furnace roller to be replaced is easily poured out of the hearth. The utility model has the advantages of simple and compact structure, effectively improving the furnace roller replacement and maintenance efficiency, reducing the construction cost, and ensuring the furnace maintenance safety.

[0029] The above embodiments only exemplarily illustrate the principle and effect of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A furnace roller inverting tool for a heat treatment furnace, characterized by, The utility model provides a kind of furnace roller replacement device, including crossbeam (100), the U-shaped support part (200) for supporting the furnace roller to be replaced, erects the first rolling part (300) and the second rolling part (400) in the adjacent two sides furnace roller of the furnace roller to be replaced, the first rolling part (300) and the second rolling part (400) are symmetrically arranged in the bottom of the crossbeam (100);The opening end of the U-shaped support part (200) is along crossbeam bottom and penetrates crossbeam top, and the U-shaped support part (200) can be up and down active in vertical direction;Adjusting part (500) is equipped on the opening end of the U-shaped support part (200), and the closed end of the U-shaped support part (200) and the crossbeam (100) constitute the space that can accommodate furnace roller cross section;The U-shaped support part (200) is located between the first rolling part (300) and the second rolling part (400).

2. The in-furnace roller tipping tool of a heat treatment furnace according to claim 1, characterized by, The first rolling part (300) includes at least three fixed seats (310), the fixed seats (310) are arranged in inverted V shape between, each fixed seat (310) is equipped with roller (320), so that the roller (320) is attached to the side wall of adjacent furnace roller of the furnace roller to be replaced; The second rolling part (400) is same in structure with the first rolling part (300).

3. The in-furnace roller rehandling tool of a heat treatment furnace according to claim 1 or 2, characterized in that, The crossbeam (100) is equipped with recess (110), the recess (110) can be attached to furnace roller side wall, and the recess (110) and the closed end of the U-shaped support part are oppositely arranged.

4. The in-furnace roller tipping tool of a heat treatment furnace according to claim 2, characterized by, The surface of the roller (320) is coated with plastic or rubber.

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