CN211057176U

CN211057176U - Cover well type annealing furnace cover hanging device

Info

Publication number: CN211057176U
Application number: CN201921973982.7U
Authority: CN
Inventors: 屠乾宏; 金志顺; 袁旭欧; 倪士光
Original assignee: Shanghai Hongting Fastener Manufacturing Co ltd
Current assignee: Shanghai Hongting Fastener Manufacturing Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-21
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a cover pit type annealing furnace bell articulates device relates to the technical field of annealing furnace, has solved the potential safety hazard that annealing furnace bell produced after the hoist and rocked and arouse, and its technical scheme main points are: the utility model provides a cover pit type annealing stove bell hangs and connects device, includes cantilever, bell and furnace body, be equipped with chain and drive chain in the cantilever and carry out driven transmission, the cantilever below is provided with the sleeve pipe along vertical direction, the cantilever is worn out and the cover intraduct is worn to locate to chain one end, the intraductal cunning of cover is connected with the mount, the mount includes the sliding part that slides from top to bottom in the sleeve pipe and locates the outside rigid coupling portion of sleeve pipe, the sliding part links to each other with the chain, rigid coupling portion and bell fixed connection to reduce rocking of bell in the transfer in-process.

Description

Cover well type annealing furnace cover hanging device

Technical Field

The utility model relates to the technical field of annealing furnaces, in particular to a cover well type annealing furnace cover hanging device.

Background

The cover well type annealing furnace is mainly used for heat treatment processing of spheroidizing annealing, softening annealing and other processes of medium and low carbon steel, alloy steel and bearing steel wire rods.

Because the existing furnace covers of the pit-type annealing furnace are huge in models, machines are required to be used for hoisting the furnace covers instead of force. The traditional method is that a chain is used for hoisting the furnace cover, and then the furnace cover is horizontally translated to a position far away from a furnace opening.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cover well type annealing furnace bell hangs and connects device has and makes the annealing furnace bell open and rotate the function that the in-process reduces to rock the production.

The above technical purpose of the present invention can be achieved by the following technical solutions:

be equipped with chain and drive chain in the cantilever and carry out driven transmission, the cantilever below is provided with the sleeve pipe along vertical direction, chain one end is worn out the cantilever and is worn to locate the intraduct, the intraductal cunning of cover is connected with the mount, the mount includes the sliding part that slides from top to bottom at the cover intraduct and locates the outside rigid coupling portion of sleeve pipe, the sliding part links to each other with the chain, rigid coupling portion and bell fixed connection.

Through adopting above-mentioned technical scheme, at the in-process that the cantilever hoisted the bell, the chain directly pulled up the mount, and the mount links to each other with the bell, and the mount is slided from top to bottom and is connected in the sleeve pipe for the bell has can not take place the advantage of rocking by the in-process of mentioning and removing.

The utility model discloses further set up to: the cantilever is including the support column and locate the jack-up spiral arm of support column upper end, the chain respectively is equipped with one at jack-up spiral arm both ends, and two chains pass through transmission and realize synchronous drive, and two chains are worn out and are located two cover intraductals respectively from jack-up spiral arm below.

Through adopting above-mentioned technical scheme, the sprocket is established at jack-up spiral arm both ends and is carried out synchronous drive, can hoist from the both ends of bell to the pulling force of lifting at balanced bell both ends makes the bell by steady hoisting.

The utility model discloses further set up to: the sleeve pipe is including first sleeve pipe and second sleeve pipe, first sleeve pipe bottom surface is equipped with first butt ring towards centre of a circle direction, the second sleeve pipe slides and connects in first sleeve pipe, second sleeve pipe cross-section diameter equals the minimum diameter of first butt ring, and the outside extension of second sleeve pipe top along circumference is equipped with the overlap ring, overlap ring maximum diameter equals first sleeve pipe internal diameter.

Through adopting above-mentioned technical scheme, the second sleeve slides and connects in first sleeve, and because the second sleeve is provided with the ring that cup joints that is greater than the first butt ring of first sleeve bottom, cup joints the ring and can offset with first butt ring, so the second sleeve can not break away from first sleeve bottom, has strengthened the stability that the second sleeve slided in first sleeve.

The utility model discloses further set up to: the sliding part comprises a clamping disc with the diameter equal to the inner diameter of the second sleeve and a sliding column perpendicular to the surface of the clamping disc, the bottom surface of the second sleeve is provided with a second abutting ring towards the direction of the circle center, and the minimum diameter of the second abutting ring is equal to the diameter of the cross section of the sliding column.

Through adopting above-mentioned technical scheme, the sliding part connection that slides is in the second sleeve pipe, and because the sliding part is provided with the screens disc that is greater than the second butt ring of second sleeve pipe bottom, the screens disc can offset with second butt ring, so the sliding part can not break away from second sleeve pipe bottom, has strengthened the stability that the sliding part slided in the second sleeve pipe.

The utility model discloses further set up to: the fixed connection portion is including C type post and mounting plate, the cross recess has been seted up in the mounting plate surface runs through, the stove lid upper surface is equipped with the joint frame in fixed connection portion below, the joint frame upper surface is seted up the lower cross recess the same with last cross recess shape, and the mounting plate locks through the bolt and nut group that screw rod diameter and last cross recess width are the same with the joint frame.

Through adopting above-mentioned technical scheme, when the mount was not even because of appearing the error in the installation with the joint frame, if the deviation is little, then go up the sideline part of cross recess and lower cross recess and still have two coincidences, thereby twist the bolt in two coincident points this moment and can with mount and joint frame fastening hoist the bell

The utility model discloses further set up to: first sleeve pipe and second sleeve pipe are intraductal to be equipped with the screens sand grip along its length direction, screens disc and cover connect the ring all to be equipped with the screens recess the same with screens sand grip cross-section.

Through adopting above-mentioned technical scheme for the second sleeve pipe can not take place the horizontal rotation in first sleeve pipe, and the ascending rotation of horizontal direction can not take place for the screens disc in the second sleeve pipe yet.

The utility model discloses further set up to: rubber pads are arranged below the sleeve joint ring and the clamping disc, and rubber pads are arranged above the sleeve joint holes.

Through adopting above-mentioned technical scheme, the setting of rubber pad provides the buffer capacity between first sleeve pipe and second sleeve pipe, second sleeve pipe and the mount to avoid the rigid wear that the collision of cover joint ring and first butt ring caused and the rigid wear that the collision of screens disc and second butt ring caused.

The utility model discloses further set up to: the furnace body is provided with a rotating seat, and the bottom of the supporting column is rotatably hinged with the rotating seat.

Through adopting above-mentioned technical scheme, the back shaft bottom is equipped with the roating seat and can makes the back shaft rotatory use self central axis direction as the axle center rotation, can conveniently realize the horizontal translation after the bell lifts.

To sum up, the utility model discloses following beneficial effect has:

1. the chains arranged at the two ends of the spiral arm can be synchronously driven, and the chains and the sliding part are arranged in the sleeve and can only slide up and down in the sleeve, and the fixed connection part is fixedly connected with the furnace cover and can move in the vertical direction along with the driving of the chains, so that the furnace cover cannot shake, and the stability of the furnace cover when being opened is enhanced;

2. the upper cross groove on the fastening plate and the lower cross groove on the clamping frame enable the bolt to have more fastening positions, and the problem that the fixing frame cannot be fastened with the clamping frame due to misalignment caused by errors of the fixing frame and the clamping frame in the installation process can be solved.

Drawings

FIG. 1 is an overall schematic view of an annealing furnace cover suspension device;

FIG. 2 is a cross-sectional view showing the sliding connection between the first sleeve and the second sleeve, and between the second sleeve and the fixing frame;

FIG. 3 is a transverse cross-sectional view of the first sleeve;

fig. 4 is a schematic view of a fixing frame and a clamping frame.

In the figure, 1, a cantilever; 11. a chain; 12. a support pillar; 13. a jib crane; 2. a furnace cover; 21. a clamping frame; 22. a lower cross groove; 3. a furnace body; 31. a rotating base; 4. a rubber pad; 5. a sleeve; 51. a first sleeve; 52. a second sleeve; 53. a first abutment ring; 54. a second abutment ring; 55. a sleeving connection ring; 56. clamping convex strips; 57. a clamping groove; 6. a fixed mount; 61. a sliding part; 62. a clamping disc; 63. a traveler; 64. a fixed connection part; 65. a C-shaped column; 66. a fastening plate; 67. and an upper cross groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model provides an annealing furnace cover hanging device, which comprises a cantilever 1, a furnace cover 2 and a furnace body 3. The cantilever 1 comprises a supporting column 12 for supporting the whole cantilever 1 and a lifting spiral arm 13 arranged on the supporting column 12, and a rotary seat 31 for rotatably hinging the supporting column 12 is arranged on the furnace body 3.

Referring to fig. 1 and 2, the lower bottom surface of the swing arm 13 is provided with a sleeve 5 along the vertical direction, preferably two, and each of the two sleeves is provided at two ends of the swing arm 13, a chain 11 and a transmission device for driving the chain 11 are provided in the swing arm 13, and the chain 11 penetrates through the lower side of the swing arm 13 and is disposed in the sleeve 5.

Referring to fig. 2 and 3, the sleeve 5 includes a first sleeve 51 and a second sleeve 52 slidably connected in the first sleeve 51, the first sleeve 51 is provided with a first abutting ring 53 on the bottom surface, the diameter of the second sleeve 52 is equal to the minimum diameter of the first abutting ring 53, and the top end of the second sleeve 52 is provided with a sleeve ring 55 extending outwards along the circumferential direction, and the maximum diameter of the sleeve ring 55 is equal to the inner diameter of the first sleeve 51.

Referring to fig. 2 and 4, a fixing frame 6 is slidably connected in the second sleeve 52, the fixing frame 6 includes a sliding portion 61 which slides up and down in the second sleeve 52 and a fixing portion 64 which is arranged outside the second sleeve 52, the sliding portion 61 includes a clamping disc 62 and a sliding column 63, the diameter of the clamping disc 62 is equal to the inner diameter of the second sleeve 52, the sliding column 63 is arranged below the clamping disc 62 and is equal to the minimum diameter of the second abutting ring 54, the fixing portion 64 includes a C-shaped column 65 and a fastening plate 66, the C-shaped column 65 and the sliding column 63 are welded and assembled, and an upper cross groove 67 is arranged on the fastening plate 66 in a penetrating manner. The furnace cover 2 is provided with a clamping frame 21, the upper surface of the clamping frame 21 is provided with a lower cross groove 22 which has the same shape as the upper cross groove 67 in a penetrating way, and the fastening plate 66 and the clamping frame 21 are locked through a bolt and nut group with the same screw diameter and the same groove width as the upper cross groove 67.

Referring back to fig. 2 and 3, the first sleeve 51 and the second sleeve 52 are provided with a locking rib 56 along the length direction thereof, and the locking disc 62 and the socket ring 55 are provided with a locking groove 57 having the same cross section as the locking rib 56.

The working principle is as follows: the transmission device drives the chain 11 to ascend, the chain 11 drives the fixed frame 6 to move upwards, the fixed frame 6 drives the furnace cover 2 to move upwards, and when the sliding column 63 is completely retracted into the second sleeve 52, the C-shaped column 65 abuts against the second sleeve 52 from below so as to move the second sleeve 52 upwards. After the furnace cover 2 rises to a certain height, the rotating base 31 drives the supporting column 12 to rotate, so that the furnace cover 2 is horizontally rotated to a position far away from the upper end of the furnace body 3, and the opening of the furnace cover 2 is completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a cover pit type annealing stove bell articulates device, includes cantilever (1), bell (2) and furnace body (3), its characterized in that: be equipped with chain (11) and drive chain (11) in cantilever (1) and carry out driven transmission, cantilever (1) below is provided with sleeve pipe (5) along vertical direction, inside cantilever (1) and wear to locate sleeve pipe (5) are worn out to chain (11) one end, the sliding connection is connected with mount (6) in sleeve pipe (5), mount (6) include sliding part (61) that slides from top to bottom in sleeve pipe (5) and locate the outside rigid coupling portion (64) of sleeve pipe (5), sliding part (61) link to each other with chain (11), rigid coupling portion (64) and bell (2) fixed connection.

2. The bell hanging device of the hood well type annealing furnace according to claim 1, wherein the cantilever (1) comprises a support column (12) and a lifting rotary arm (13) arranged at the upper end of the support column (12), the two chains (11) are respectively arranged at two ends of the lifting rotary arm (13), the two chains (11) realize synchronous transmission through a transmission device, and the two chains (11) penetrate out from the lower part of the lifting rotary arm (13) and are respectively sleeved in the two sleeves (5).

3. The bell hanging device of the hood well type annealing furnace according to claim 2, characterized in that the sleeve (5) comprises a first sleeve (51) and a second sleeve (52), the bottom surface of the first sleeve (51) is provided with a first abutting ring (53) towards the center of the circle, the second sleeve (52) is connected in the first sleeve (51) in a sliding manner, the diameter of the section of the second sleeve (52) is equal to the minimum diameter of the first abutting ring (53), the top end of the second sleeve (52) is provided with a sleeve ring (55) extending outwards along the circumferential direction, and the maximum diameter of the sleeve ring (55) is equal to the inner diameter of the first sleeve (51).

4. The bell hanging device of the hood well type annealing furnace according to the claim 3, wherein the sliding part (61) comprises a blocking disc (62) with a diameter equal to the inner diameter of the second sleeve (52) and a sliding column (63) perpendicular to the surface of the blocking disc (62), the bottom surface of the second sleeve (52) is provided with a second abutting ring (54) towards the center of the circle, and the minimum diameter of the second abutting ring (54) is equal to the cross section diameter of the sliding column (63).

5. The hanging device for the furnace cover of the covered well type annealing furnace according to claim 1, characterized in that the fastening part (64) comprises a C-shaped column (65) and a fastening plate (66), an upper cross groove (67) is formed in the surface of the fastening plate (66) in a penetrating manner, a clamping frame (21) is arranged below the fastening part (64) on the upper surface of the furnace cover (2), a lower cross groove (22) with the same shape as the upper cross groove (67) is formed in the upper surface of the clamping frame (21), and the fastening plate (66) and the clamping frame (21) are locked through a bolt and nut group with the same screw diameter and the same groove width as the upper cross groove (67).

6. The bell hanging device of the hood well type annealing furnace according to claim 4, wherein the first sleeve (51) and the second sleeve (52) are provided with a locking rib (56) along the length direction thereof, and the locking disc (62) and the coupling ring (55) are provided with a locking groove (57) having the same section as the locking rib (56).

7. The hanging device for the furnace cover of the covered shaft type annealing furnace according to claim 6, characterized in that a rubber pad (4) is arranged below the sleeving ring (55) and the clamping disc, and a rubber pad (4) is also arranged on the upper surface of the first abutting ring (53).

8. The hanging device for the furnace cover of the cover well type annealing furnace according to the claim 2, characterized in that the furnace body (3) is provided with a rotating base (31), and the bottom of the supporting column (12) is rotatably hinged with the rotating base (31).