CN218755953U

CN218755953U - Furnace cover of bell-type furnace

Info

Publication number: CN218755953U
Application number: CN202222990425.4U
Authority: CN
Inventors: 周根荣; 林素; 吴佳丽; 赵柏成; 李洪伟
Original assignee: Ruyuan Dongyangguang Uacj Fine Aluminum Foil Co ltd; Shaoguan East Sunshine Technology R&D Co Ltd
Current assignee: Ruyuan Dongyangguang Uacj Fine Aluminum Foil Co ltd; Shaoguan East Sunshine Technology R&D Co Ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-28
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to the technical field of metal heat treatment processing equipment, in particular to a bell-type furnace cover, which comprises a cover body and a suspender, wherein the top of the cover body is provided with a first guide rail and a second guide rail which are opposite, a first guide groove is formed between the first guide rail and the second guide rail, one end of the suspender is connected with the first guide rail, and the other end of the suspender is connected with the second guide rail; a cavity for passing a hook is formed among the hanger rod, the first guide rail, the second guide rail and the cover body. The utility model overcomes among the prior art bell-type furnace mantle hoist and mount difficulty and inefficiency utilize first guide rail and second guide rail to restrict the motion of lifting hook, make lifting hook can fix a position to the jib along the direction of first guide way fast, improved the probability that the jib hooked up to improve hoist and mount efficiency, need not high altitude construction, alleviateed operation personnel's intensity of labour.

Description

Furnace cover of bell-type furnace

Technical Field

The utility model relates to a metal heat treatment processing equipment technical field, more specifically relates to a bell-type furnace mantle.

Background

The heat treatment is an important process in the mechanical and electronic industrial production, and refers to a metal hot working process for obtaining expected structure and performance of materials by means of heating, heat preservation and cooling in a solid state.

In a core type bell jar furnace disclosed in the prior art, the furnace comprises an outer cover, a base and a central heating rod, wherein a lifting lug convenient for lifting the outer cover is arranged on the outer cover, and the central heating rod is fixed at the central position of the base. The bell jar furnace used in workshop production has large volume, and a crane is needed to hoist the outer cover of the bell jar furnace before and after heat treatment. Because the lug on dustcoat top is in higher position to hoist lifting hook is in the free state and hardly hooks the lug at the removal process, needs the operation personnel to climb and catches the lug with the lifting hook of hoist accurately, and whole process not only consumes a large amount of manpowers, has still influenced production efficiency, and high altitude construction also has more safety risk moreover.

SUMMERY OF THE UTILITY MODEL

To the problem of bell-type furnace mantle hoist and mount difficulty and inefficiency among the above-mentioned prior art, the utility model provides a bell-type furnace mantle has made things convenient for the location of hoist lifting hook, has alleviateed operation personnel's intensity of labour.

In order to solve the technical problem, the utility model provides a technical scheme is:

a furnace cover of a bell-type furnace comprises a cover body and a suspender, wherein a first guide rail and a second guide rail which are opposite to each other are arranged at the top of the cover body, a first guide groove is formed between the first guide rail and the second guide rail, one end of the suspender is connected with the first guide rail, and the other end of the suspender is connected with the second guide rail; a cavity for passing through the hook is formed among the hanger rod, the first guide rail, the second guide rail and the cover body.

In the technical scheme, the crane lifting hook is positioned into the first guide groove, then the lifting hook moves along the first guide groove until the lifting hook hooks the suspender, and then the cover body is lifted. The lifting hook is limited in the moving process, and can move to the position where the suspender is located under the guidance of the first guide rail and the second guide rail, so that the hooking efficiency of the cover body is improved, and the high-altitude operation of operators is not needed.

Preferably, the first guide rail end and the second guide rail end are respectively provided with a first inclined rail and a second inclined rail, a gradually narrow groove is formed between the first inclined rail and the second inclined rail, and the width of the gradually narrow groove is gradually reduced along the direction of the hanging rod. The lifting hook is firstly positioned to the gradually narrowing groove and then enters the first guide groove along the gradually narrowing groove. The average width in gradual narrow groove is greater than the width of first guide way, compares and fixes a position more easily in first guide way, can conveniently play the lifting hook location to first guide way to improve the operating efficiency.

Preferably, the first inclined rail and the second inclined rail protrude out of the side face of the cover body. After the first inclined rail and the second inclined rail protrude out of the side face of the cover body, an operator operating the crane on the ground can see the parts of the first inclined rail and the second inclined rail protruding out of the side face of the cover body, and then the lifting hook is quickly positioned into the narrowing groove according to the protruding parts of the first inclined rail and the second inclined rail.

Preferably, the top of the cover body is located in the first guide groove and is provided with a third guide rail and a fourth guide rail which are opposite to each other, a second guide groove is formed between the third guide rail and the fourth guide rail, the width of the second guide groove is gradually reduced along the direction of the suspension rod, and the suspension rod is located above the second guide groove. The second guide slot further reduces the range of motion of the lifting hook, thereby further improving the probability of the lifting hook on the suspender.

Preferably, the lifting hook further comprises a locking plate for closing the hook opening of the lifting hook, one end of the locking plate is connected with the first guide rail, and the other end of the locking plate is connected with the second guide rail. When the lifting hook hooks the suspender and lifts the cover body, one end of the locking plate close to the suspender is abutted with the lifting hook, and the hook opening of the lifting hook is sealed, so that the lifting hook is prevented from rotating along the unhooking direction, and the lifting hook is kept stable in the process of lifting the cover body.

Preferably, one end of the suspender is rotatably connected with the first guide rail through a first connecting piece, and the other end of the suspender is rotatably connected with the second guide rail through a second connecting piece; one end of the locking plate is rotatably connected with the first guide rail, and the other end of the locking plate is rotatably connected with the second guide rail; a lifting rope is connected to the lifting rod or the locking plate, and one end of the lifting rope is connected with a hanging block; the side wall of the cover body is provided with a shielding piece used for shielding the hanging block, the shielding piece is provided with an accommodating cavity for the hanging block to pass through, when the hanger rod rotates upwards, the locking plate rotates upwards, and the hanging block can ascend into the accommodating cavity. When the hanging rod is not hung, the hanging block is positioned below the shielding piece; and in the process that the lifting hook hooks the suspender and lifts the cover body, the suspender moves upwards and pushes the locking plate to rotate upwards, and meanwhile, the lifting rope drives the hanging block to move upwards together until the hanging block enters the accommodating cavity and is blocked by the shielding piece, and the ground operator cannot see the hanging block, namely, the lifting hook is proved to hook the suspender smoothly, and at the moment, the cover body can be continuously lifted upwards. The hanging block is used for prompting the state of the suspender of an operator on the ground, and the reduction of the operation efficiency caused by the need of repositioning the lifting hook after the lifting hook is lifted to be empty is avoided.

Preferably, a support plate for supporting the hanging block is arranged on the side wall of the cover body and below the shielding piece. When the cover body is not lifted, the hanging block falls on the supporting plate, and the supporting plate can support the hanging block to enable the lifting rope to be in a loose state, so that the lifting rope is prevented from being in a tensioned state for a long time, and the service life of the lifting rope is prolonged.

Preferably, a connecting part is arranged on one side of the locking plate close to the second guide rail, the connecting part is in an L shape, and one end of the connecting part far away from the locking plate is connected with the lifting rope. When the locking plate rotates upwards, the lifting rope and the hanging block are driven to move upwards together, and when the locking plate rotates downwards, the lifting rope and the hanging block also move downwards. The lifting rope is connected to the locking plate, and the position accuracy of the hanging block is prevented from being influenced due to the fact that the lifting rope is too close to the hanging rod and is hooked by the lifting hook.

Preferably, be equipped with the protection casing on the second guide rail, the protection casing is equipped with the protection chamber, connecting portion are located the protection intracavity. The protection casing can prevent that the lifting hook from catching hold of connecting portion by mistake and damaging connecting portion.

Preferably, a first weight plate and a second weight plate are respectively arranged at two ends of the suspension rod, the first weight plate and the second weight plate are both in an L shape, a first abutting portion and a second abutting portion are respectively arranged on the first weight plate and the second weight plate, and when the suspension rod moves downwards, the first abutting portion and the second abutting portion can abut against the locking plate. The hanger rod can be pulled by the first weight increasing plate and the second weight increasing plate when moving to the highest point, and after the lifting hook is unhooked, the hanger rod can move downwards to reset due to the pulling force of the first weight increasing plate and the second weight increasing plate, so that the next hooking is facilitated; in addition, in the process of downward movement of the hanger rod, the first abutting part and the second abutting part can also move upwards to abut against the locking plate, so that the locking plate is prevented from continuing to rotate downwards, and the locking plate can move along with the movement of the hanger rod when the hanger rod is lifted each time.

The utility model has the advantages that: the first guide rail and the second guide rail are used for limiting the movement of the lifting hook, so that the lifting hook can be quickly positioned to the suspender along the direction of the first guide groove, the probability of hooking the suspender is improved, high-altitude operation is not needed, and the labor intensity of operators is reduced; the locking plate is used for abutting against the lifting hook and closing the hook opening of the lifting hook, so that the lifting hook is prevented from rotating along the unhooking direction, and the stability and the lifting safety of the lifting hook are improved; the hanging block which can move along with the movement of the suspender is used for prompting whether the suspender of the operating personnel is hooked or not, thereby improving the operating efficiency and bringing convenience to the hoisting work of the cover body.

Drawings

FIG. 1 is a schematic view of a structure of a mantle of a bell type furnace;

FIG. 2 is a schematic structural view of a cavity;

FIG. 3 is a schematic top view of FIG. 1;

fig. 4 is a schematic structural view of the locking plate and the connecting portion;

FIG. 5 is a schematic view of the construction of the drop block and the blanking member;

FIG. 6 is a schematic view of the attachment of the first and second weighted members to the boom;

FIG. 7 is a schematic view of the first weight increasing member;

fig. 8 is a schematic structural view of the second weight increasing member.

In the drawings: 1-a cover body; 2-a suspender; 201-a cavity; 202-a first connector; 203-a second connector; 3-a first guide rail; 301-a first guide groove; 4-a second guide rail; 5-a first ramp; 501-a tapered slot; 6-a second ramp; 7-a third guide rail; 701-a second guide groove; 8-a fourth guide rail; 9-a locking plate; 901-a connection; 10-lifting rope; 11-a drop block; 12-a shield; 1201-a receiving cavity; 13-a support plate; 14-a shield; 1401-a protective cavity; 15-a first weight increasing plate; 1501-a first abutment; 16-a second weight plate; 1601 — a second abutment; 17-lifting the hook.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

A bell-type furnace mantle shown in fig. 1, 2 and 3 comprises a mantle 1 and a hanger rod 2, wherein a first guide rail 3 and a second guide rail 4 which are opposite to each other are welded on the top of the mantle 1, a first guide groove 301 is formed between the first guide rail 3 and the second guide rail 4, one end of the hanger rod 2 is connected with the first guide rail 3, and the other end of the hanger rod 2 is connected with the second guide rail 4; a cavity 201 for passing through the hook is formed among the suspension rod 2, the first guide rail 3, the second guide rail 4 and the cover body 1.

The working principle or working process of the embodiment is as follows: the crane lifting hook 17 is first positioned into the first guide groove 301, and then the lifting hook 17 is moved along the first guide groove 301 until the lifting hook 17 hooks the boom 2, and the cover 1 is lifted. The lifting hook 17 can move linearly to the place where the suspender 2 is located under the guidance of the first guide rail 3 and the second guide rail 4 and smoothly hook the suspender 2 due to the limited moving range in the moving process.

The beneficial effects of this embodiment: the first guide rail and the second guide rail are utilized to limit the movement of the lifting hook, so that the lifting hook can be quickly positioned to the suspender along the direction of the first guide groove, the hooking probability of the suspender is improved, the operation efficiency of cover body hoisting is improved, high-altitude operation is not needed, and the labor intensity of operators is reduced.

Example 2

In this embodiment, on the basis of embodiment 1, as shown in fig. 3, the end of the first rail 3 and the end of the second rail 4 are respectively provided with a first inclined rail 5 and a second inclined rail 6, a tapered slot 501 is formed between the first inclined rail 5 and the second inclined rail 6, and the width of the tapered slot 501 gradually decreases along the direction of the boom 2. The lifting hook 17 is first positioned in the tapered slot 501 and then enters the first guide slot 301 along the tapered slot 501. The average width of the tapered groove 501 is greater than the width of the first guide groove 301, and the positioning is easier than that of the first guide groove 301, so that the lifting hook 17 can be conveniently positioned to the first guide groove 301, and the operation efficiency is improved.

Specifically, the first inclined rail 5 and the second inclined rail 6 both protrude out of the side surface of the cover body 1. After the first inclined rail 5 and the second inclined rail 6 protrude from the lateral surface of the cover 1, an operator operating the crane on the ground can see the portions of the first inclined rail 5 and the second inclined rail 6 protruding from the lateral surface of the cover 1, and then quickly position the lifting hook 17 into the narrowing slot 501 according to the protruding portions of the first inclined rail 5 and the second inclined rail 6.

Furthermore, the top of the cover body 1 is positioned in the first guide groove 301, and a third guide rail 7 and a fourth guide rail 8 which are opposite to each other are welded to the top, a second guide groove 701 is formed between the third guide rail 7 and the fourth guide rail 8, the width of the second guide groove 701 is gradually reduced along the direction of the suspension rod 2, and the suspension rod 2 is positioned above the second guide groove 701. The second guide groove 701 further reduces the range of movement of the lifting hook 17, thereby further improving the probability of the boom 2 being hooked up.

Other features, operation principles and advantageous effects of the present embodiment are consistent with embodiment 1.

Example 3

This embodiment is based on embodiment 2, and as shown in fig. 4, further includes a locking plate 9 for closing the hook opening of the lifting hook 17, one end of the locking plate 9 is connected to the first rail 3, and the other end of the locking plate 9 is connected to the second rail 4. When lifting hook 17 hooks jib 2 and with the cover body 1 lift by crane the time, locking plate 9 is close to jib 17's one end and lifting hook 17 butt to seal lifting hook 17 hook mouth, rock and lead to lifting hook 17 to want clockwise rotation when the cover body 1, locking plate 9 supports lifting hook 17 and makes lifting hook 17 unable rotation, and the condition of avoiding unhooking takes place, thereby makes lifting hook 17 at the in-process remain stable of the hoist and mount cover body 1.

Specifically, one end of the suspension rod 2 is rotatably connected with the first guide rail 3 through a first connecting piece 202, the other end of the suspension rod 2 is rotatably connected with the second guide rail 4 through a second connecting piece 203, and the first connecting piece 202 and the second connecting piece 203 are respectively positioned at the outer sides of the first guide rail 3 and the second guide rail 4, so that the suspension rod 2 can move downwards to be abutted against the first guide rail 3 and the second guide rail 4; one end of the locking plate 9 is rotationally connected with the first guide rail 3, and the other end of the locking plate 9 is rotationally connected with the second guide rail 4; referring to fig. 1 and 5, a lifting rope 10 is connected to the locking plate 9, and a cylindrical hanging block 11 is connected to one end of the lifting rope 10; the side wall of the cover body 1 is provided with a shielding piece 12 for shielding the hanging block 11, the shielding piece 12 is provided with an accommodating cavity 1201 for the hanging block 11 to pass through, when the suspension rod 2 rotates upwards, the locking plate 9 rotates upwards, and the hanging block 11 can ascend into the accommodating cavity 1201. When the hanger rod 2 is not lifted, the hanging block 11 is positioned below the shielding piece 12; when the lifting hook 17 hooks the suspension rod 2 and lifts the cover body 1, the suspension rod 2 moves upwards and pushes the locking plate 9 to rotate upwards, and meanwhile, the lifting rope 10 drives the hanging block 11 to move upwards together until the hanging block 11 enters the accommodating cavity 1201 and is blocked by the shielding piece 12, so that an operator on the ground cannot see the hanging block 11 to indicate that the lifting hook 17 hooks the suspension rod 2 smoothly, and at the moment, the cover body 1 can be lifted upwards continuously. The hanging block 11 is used for prompting the state of the hanger rod 2 of an operator on the ground, and the problem that the operation efficiency is reduced due to the fact that the lifting hook 17 needs to be repositioned after the lifting hook 17 is lifted to be empty is avoided.

Furthermore, a support plate 13 for supporting the hanging piece 11 is arranged on the side wall of the cover body 1 below the shielding piece 12. When the cover body 1 is not lifted, the hanging block 11 falls on the supporting plate 13, and the supporting plate 13 can support the hanging block 11 to enable the lifting rope 10 to be in a loose state, so that the lifting rope 10 is prevented from being in a tensioned state for a long time, and the service life of the lifting rope 10 is prolonged.

Specifically, as shown in fig. 4, a connecting portion 901 is disposed on one side of the locking plate 9 close to the second guide rail 4, the locking plate 9 is rotatably connected to the second guide rail 4 through the connecting portion 901, the connecting portion 901 is in an "L" shape, and one end of the connecting portion 901 away from the locking plate 9 is connected to the lifting rope 10. When the locking plate 9 is rotated upward, the lifting rope 10 and the hanging block 11 are moved upward together, and when the locking plate 9 is rotated downward, the lifting rope 10 and the hanging block 11 are also moved downward. The attachment of the lifting rope 10 to the locking plate 9 prevents the positional accuracy of the hanging piece 11 from being affected by the lifting hook 17 catching the lifting rope 10 too close to the boom 2.

Further, a protective cover 14 is arranged on the second guide rail 4, the protective cover 14 is provided with a protective cavity 1401, and the connecting part 901 is located in the protective cavity 1401. The hood 14 prevents the lifting hook 17 from being mistakenly hooked on the connection portion 901 to damage the connection portion 901.

Further, as shown in fig. 6, a first weight increasing plate 15 and a second weight increasing plate 16 are respectively arranged at two ends of the boom 2, the structures of the first weight increasing plate 15 and the second weight increasing plate 16 are respectively shown in fig. 7 and fig. 8, both the first weight increasing plate 15 and the second weight increasing plate 16 are in an "L" shape, a first abutting portion 1501 and a second abutting portion 1601 are respectively arranged on the first weight increasing plate 15 and the second weight increasing plate 16, and when the boom 2 abuts against the first slide rail and the second slide rail, the first abutting portion 1501 and the second abutting portion 1601 can abut against the locking plate 9. When the hanger rod 2 moves to the highest point, the hanger rod 2 is pulled by the first weight increasing plate 15 and the second weight increasing plate 16, and after the lifting hook 17 is unhooked, the hanger rod 2 is pulled by the first weight increasing plate 15 and the second weight increasing plate 16 to be descended to be abutted against the first slide rail and the second slide rail, so that the next hooking is facilitated; in addition, in the process that the boom 2 moves downward to abut against the first slide rail and the second slide rail, the first abutting portion 1501 and the second abutting portion 1601 also move upward to abut against the locking plate 9, and the locking plate 9 is prevented from continuing to rotate downward, so that the locking plate 9 can move along with the movement of the boom 2 each time the boom 2 is lifted.

Other features, operating principles and advantageous effects of this implementation are consistent with embodiment 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The bell-type furnace cover is characterized by comprising a cover body (1) and a hanger rod (2), wherein a first guide rail (3) and a second guide rail (4) which are opposite to each other are arranged at the top of the cover body (1), a first guide groove (301) is formed between the first guide rail (3) and the second guide rail (4), one end of the hanger rod (2) is connected with the first guide rail (3), and the other end of the hanger rod (2) is connected with the second guide rail (4); a cavity (201) for passing through a hook is formed among the hanger rod (2), the first guide rail (3), the second guide rail (4) and the cover body (1).

2. A bell-type furnace mantle according to claim 1, characterized in that the ends of the first guide rails (3) and the second guide rails (4) are provided with a first ramp (5) and a second ramp (6), respectively, and that the first ramp (5) and the second ramp (6) form a tapering groove (501) therebetween, the width of the tapering groove (501) decreasing in the direction of the suspension rod (2).

3. A bell jar furnace mantle according to claim 2, characterized in that the first ramp (5) and the second ramp (6) each project laterally of the mantle (1).

4. A bell type furnace mantle as defined in claim 1, characterized in that the top of the mantle (1) is provided with opposite third (7) and fourth (8) guide rails in the first guide groove (301), a second guide groove (701) being formed between the third (7) and fourth (8) guide rails, the width of the second guide groove (701) decreasing in the direction of the hanger bar (2), the hanger bar (2) being located above the second guide groove (701).

5. The bell-type furnace mantle according to claim 1, characterized in that it further comprises a locking plate (9) for closing the hook mouth of the lifting hook, one end of the locking plate (9) being connected to the first guide rail (3) and the other end of the locking plate (9) being connected to the second guide rail (4).

6. A bell furnace mantle according to claim 5, characterized in that the boom (2) is pivotally connected at one end to the first rail (3) by means of a first connection (202) and that the boom (2) is pivotally connected at the other end to the second rail (4) by means of a second connection (203); one end of the locking plate (9) is rotatably connected with the first guide rail (3), and the other end of the locking plate (9) is rotatably connected with the second guide rail (4); a lifting rope (10) is connected to the suspension rod (2) or the locking plate (9), and one end of the lifting rope (10) is connected with a hanging block (11); the side wall of the cover body (1) is provided with a shielding piece (12) used for shielding the hanging block (11), the shielding piece (12) is provided with an accommodating cavity (1201) for the hanging block (11) to pass through, when the suspension rod (2) rotates upwards, the locking plate (9) rotates upwards, and the hanging block (11) can ascend into the accommodating cavity (1201).

7. A bell type furnace mantle according to claim 6, characterized in that a support plate (13) for supporting the hanging piece (11) is arranged on the side wall of the mantle (1) below the shield (12).

8. The bell-type furnace shell according to claim 6, characterized in that the side of the locking plate (9) close to the second guide rail (4) is provided with a connecting part (901), the connecting part (901) is L-shaped, and one end of the connecting part (901) far away from the locking plate (9) is connected with the lifting rope (10).

9. A bell type furnace mantle according to claim 8, characterized in that a protective cover (14) is arranged on the second guide rail (4), the protective cover (14) is provided with a protective cavity (1401), and the connecting part (901) is located in the protective cavity (1401).

10. A bell type furnace mantle as defined in claim 9, wherein the suspension bar (2) is provided at both ends with a first weight increasing plate (15) and a second weight increasing plate (16), respectively, wherein the first weight increasing plate (15) and the second weight increasing plate (16) are both "L" shaped, wherein the first weight increasing plate (15) and the second weight increasing plate (16) are provided with a first abutting portion (1501) and a second abutting portion (1601), respectively, and wherein the first abutting portion (1501) and the second abutting portion (1601) are adapted to abut against the locking plate (9) when the suspension bar (2) is moved downwards.