CN218799075U

CN218799075U - Steel-making ladle cover stable in installation

Info

Publication number: CN218799075U
Application number: CN202223320385.9U
Authority: CN
Inventors: 柴朝宾; 柴利超; 柴浩文; 柴泽霖
Original assignee: Zhengzhou Kaishun Metallurgical Refractory Co ltd
Current assignee: Zhengzhou Kaishun Metallurgical Refractory Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-07
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a steelmaking be built by contract of installation stability, relate to steelmaking be built by contract technical field, this steelmaking be built by contract aims at solving the structure that lacks stable installation under the prior art, the not good technical problem of leakproofness, this steelmaking be built by contract includes middle package and be built by contract body, middle package upper end swing joint has the be built by contract body, the pouring hole has been seted up to middle package front end, pouring hole front end fixedly connected with blown down tank, the equal fixedly connected with connecting block in both ends about the middle package outside, this steelmaking be built by contract utilizes the cooperation of centre gripping subassembly to support tight subassembly and has formed a stable mounting structure, the centre gripping subassembly drives the connecting block gomphosis of spread groove and both sides and is connected, the connectivity of middle package and be built by contract has been strengthened, and simultaneously, the up end of being built by contract is followed the lower extreme, downwards compress tightly the be built by contract, make the be built by contract reach fine stable sealed effect, in the middle package inner circle of chock embedding through the be built by contract lower extreme, inside molten steel is difficult for splashing in the transportation, the security of use has been increased.

Description

Steel-making ladle cover stable in installation

Technical Field

The utility model belongs to the technical field of the steelmaking be built by contract, concretely relates to installation stable steelmaking be built by contract.

Background

The tundish is a refractory container used in short-process steelmaking, firstly receives molten steel poured from a ladle, and then the molten steel is distributed to each crystallizer through a tundish nozzle, and in order to effectively reduce the heat dissipation of the molten steel in the tundish and reduce the influence of molten steel temperature drop and high-temperature radiation on field operators and equipment, the upper end of the tundish is provided with a tundish cover.

The early tundish cover is formed by directly casting cast steel or cast iron, the problems of ablation, deformation, steel adhesion and the like are easily caused in the practical use of the tundish cover due to the large heat conductivity coefficient and poor high-temperature oxidation resistance of a pure metal tundish cover, the practical service life is only 1-3 times, and in order to overcome the problems existing in the application of the pure metal tundish cover, the composite tundish cover which takes metal as a frame and takes refractory material as high-temperature protection material is provided.

Therefore, in order to solve the problem that the conventional steelmaking ladle cover lacks a structure for stable installation after use and has poor sealing performance, it is necessary to improve the use scene of the steelmaking ladle cover.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a steelmaking be built by contract that the installation is stable, this steelmaking be built by contract aims at solving prior art and lacks the structure of stable installation down, the not good technical problem of leakproofness.

(2) Technical scheme

In order to solve the technical problem, the utility model provides such steelmaking be installed stably be built by contract which includes middle package and be built by contract body, wherein, middle package upper end swing joint has the be built by contract body, the feed reversing mouth has been seted up to the middle package front end, the feed reversing mouth front end fixedly connected with blown down tank, the equal fixedly connected with connecting block in both ends about the middle package outside, be built by contract body lower extreme fixedly connected with chock, be built by contract body upper end fixedly connected with strengthening frame, the strengthening frame upper end is installed and is supported tight subassembly, support tight subassembly supporting seat upper end fixedly connected with centre gripping subassembly, the spread groove has been seted up by middle package one end to the centre gripping subassembly.

When the steelmaking ladle cover adopting the technical scheme is used, the ladle cover body and the upper half part of the ladle cover body are hung to the upper end of a tundish by using a crane, the connecting grooves of the ladle cover body and the upper half part of the ladle cover body are aligned to the connecting blocks on two sides of the tundish and then descend, the plug blocks at the lower end of the ladle cover body are embedded into the inner ring of the tundish, a pouring hole is just plugged in tight joint, then the clamping assembly is started, the clamping assembly drives the connecting grooves to be embedded and connected with the connecting blocks on two sides, and finally the abutting assembly in the middle of the reinforcing frame and the clamping assembly is rotated to abut tightly.

Furthermore, the connecting block and the connecting groove are both in positive and negative shapes, the connecting groove is connected with the connecting block in an embedded mode, installation and positioning are very convenient, and the structure is stable after installation.

Furthermore, the diameter of the outer ring of the chock is the same as that of the inner ring of the tundish, the chock at the lower end of the ladle cover body is embedded into the inner ring of the tundish, and the sprue is blocked by tight thread seaming, so that the sealing performance of the sprue is good, the heat preservation performance is greatly increased, the internal molten steel is not easy to splash in transportation, and the use safety is improved.

Furthermore, the reinforcing frame is of a cross-shaped structure, a through hole is formed in the center of the supporting seat of the abutting component, the bearing capacity is high, and meanwhile the supporting performance of the ladle cover is improved.

Furthermore, the abutting assembly comprises a bearing seat, a threaded cylinder, a threaded rod and an operating rod, the upper end of the bearing seat is fixedly connected with the threaded cylinder, the threaded rod is connected with the inner side of the threaded cylinder through threads, the operating rod is fixedly connected with the outer side of the threaded cylinder and is symmetrical in the front and back direction, a heat insulation sleeve is arranged on one side of the operating rod close to the outer side, the threaded rod is made to ascend through rotating the threaded cylinder, the upper end face of the wrapping cover is abutted from the lower end, the wrapping cover is pressed downwards, and a good stable sealing effect is achieved.

Further, the centre gripping subassembly is including installation shell, driving motor, two-way screw rod, holding frame, thread bush, spacing slider and spacing spout, driving motor is installed to installation shell left end, two-way screw rod is installed to driving motor output shaft right-hand member, and the centre gripping subassembly drives the connecting groove and is connected with the connecting block gomphosis of both sides, has strengthened the connectivity of middle package and be built by contract.

Furthermore, the two-way screw rod outside transmission is connected with bilateral symmetry's thread bush, the thread bush outside fixedly connected with holding frame, holding frame upper end fixedly connected with limit slide, bilateral symmetry's limit slide groove is seted up to installation shell upper end, sliding connection between limit slide and the limit slide groove guarantees the stability of holding frame when moving about.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a steelmaking be built by contract utilizes the cooperation of centre gripping subassembly to support tight subassembly and formed a stable mounting structure, the centre gripping subassembly drives the connecting block gomphosis of spread groove and both sides and is connected, the connectivity of middle package and be built by contract has been strengthened, and simultaneously, the up end of built by contract is withstood from the lower extreme, downwards compress tightly the built by contract, make the built by contract reach fine stable sealed effect, in the middle package inner circle of chock embedding through the built by contract lower extreme, in time, the pouring hole is stopped up in tight running joint, make its leakproofness good, greatly increased heat insulating ability, inside molten steel is difficult for spilling out in the transportation, the security of using has been increased.

Drawings

FIG. 1 is a schematic perspective view of a steel-making ladle according to an embodiment of the present invention;

FIG. 2 is a schematic view of a disassembled three-dimensional structure of a steel-making ladle cover according to an embodiment of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the upper half of a steel-making ladle according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of the upper half of a steelmaking cover of the present invention at another angle according to an embodiment of the present invention.

The labels in the figures are: 1. a tundish; 2. pouring a material port; 3. a discharge chute; 4. connecting blocks; 5. a clamping assembly; 501. installing a shell; 502. a drive motor; 503. a bidirectional screw; 504. a clamping frame; 505. a threaded sleeve; 506. a limiting slide block; 507. a limiting chute; 6. a propping component; 601. a bearing seat; 602. a threaded barrel; 603. a threaded rod; 604. an operating lever; 7. connecting grooves; 8. a reinforcing frame; 9. a bag cover body; 10. and (6) a chock block.

Detailed Description

The steel-making ladle cover comprises a tundish 1 and a ladle cover body 9, wherein the upper end of the tundish 1 is movably connected with the ladle cover body 9, the front end of the tundish 1 is provided with a material pouring port 2, the front end of the material pouring port 2 is fixedly connected with a material discharging groove 3, the left end and the right end of the outer side of the tundish 1 are respectively fixedly connected with a connecting block 4, the lower end of the ladle cover body 9 is fixedly connected with a plug block 10, the upper end of the ladle cover body 9 is fixedly connected with a reinforcing frame 8, the upper end of the reinforcing frame 8 is provided with a clamping component 6, the upper end of a supporting seat of the clamping component 6 is fixedly connected with a clamping component 5, and the clamping component 5 is provided with a connecting groove 7 by one end of the tundish 1.

Wherein, connecting block 4 is positive and negative shape with 7 cross-sections of spread groove, the gomphosis is connected between 7 and the connecting block 4 of spread groove, and the installation location is very convenient, installation back stable in structure.

Meanwhile, the diameter of the outer ring of the plug block 10 is the same as that of the inner ring of the tundish 1, the plug block 10 at the lower end of the ladle cover body 9 is embedded into the inner ring of the tundish 1, the material pouring port 2 is blocked by tight joint, the sealing performance is good, the heat insulation performance is greatly increased, the internal molten steel is not easy to spill in transportation, the use safety is increased, the reinforcing frame 8 is of a cross-shaped structure, a through hole is formed in the center of the supporting seat of the abutting component 6, the bearing capacity is high, and the supporting performance of the ladle cover is also improved.

In addition, support tight subassembly 6 and include bearing frame 601, a screw thread section of thick bamboo 602, threaded rod 603 and action bars 604, a fixedly connected with screw thread section of thick bamboo 602 in the upper end of bearing frame 601, the inboard threaded connection of screw thread section of thick bamboo 602 has threaded rod 603, the symmetrical action bars 604 around the fixedly connected with in the screw thread section of thick bamboo 602 outside, action bars 604 leans on outer one side to be equipped with the heat insulating sleeve, makes threaded rod 603 rise through a rotatory screw thread section of thick bamboo 602, withstands the up end of be built by contract from the lower extreme, compresses tightly the be built by contract downwards, reaches fine stable sealed effect.

In addition, centre gripping subassembly 5 is including installation shell 501, driving motor 502, two-way screw rod 503, clamping frame 504, thread bush 505, spacing slider 506 and spacing spout 507, driving motor 502 is installed to installation shell 501 left end, two-way screw rod 503 is installed to driving motor 502 output shaft right-hand member, clamping subassembly 5 drive connecting groove 7 and are connected with the 4 gomphosis of connecting block of both sides, have strengthened the connectivity of middle package 1 with the be built by contract, two-way screw rod 503 outside transmission is connected with bilateral symmetry's thread bush 505, thread bush 505 outside fixedly connected with clamping frame 504, clamping frame 504 upper end fixedly connected with spacing slider 506, bilateral symmetry's spacing spout 507 has been seted up to installation shell 501 upper end, sliding connection between spacing slider 506 and the spacing spout 507 guarantees the stability of clamping frame 504 when controlling the operation.

The perspective structure of the upper half of the steelmaking cover is shown in fig. 3, and the perspective structure of the upper half at another angle is shown in fig. 4.

When the steelmaking ladle cover of the technical scheme is used, a crane is used for hanging the ladle cover body 9 and the upper half part to the upper end of the tundish 1, the positions of the connecting grooves 7 of the ladle cover body 9 and the upper half part are aligned with the connecting blocks 4 on the two sides of the tundish 1 and then descend, the chock block 10 at the lower end of the ladle cover body 9 is embedded into the inner ring of the tundish 1 to exactly block the material pouring port 2 in tight joint, then the clamping assembly 5 is started, the driving motor 502 installed on the installation shell 501 drives the internal bidirectional screw 503 to rotate, the threaded sleeves 505 symmetrically arranged at the two ends of the outer side of the bidirectional screw 503 drive the clamping frame 504 to move relatively, the clamping frame 504 drives the connecting grooves 7 to be connected with the connecting blocks 4 on the two sides in an embedded mode, the inner side of the limiting sliding groove 507 arranged on the installation shell 501 at the upper end is connected with the limiting sliding block 506 in a sliding mode, the stability of the clamping frame 504 in moving is ensured, finally the operating rod 604 is held to rotate the threaded cylinder 602, the threaded rod 603 in transmission connection with the inner side of the threaded cylinder 602, and the reinforcing frame 8 is abutted against the middle space of the clamping assembly 5 tightly.

Claims

1. The utility model provides a steelmaking be built by contract of stable installation, this steelmaking be built by contract includes middle package (1) and be built by contract body (9), its characterized in that, middle package (1) upper end swing joint has be built by contract body (9), pouring opening (2) have been seted up to middle package (1) front end, pouring opening (2) front end fixedly connected with blown down tank (3), middle package (1) outside is controlled the equal fixedly connected with connecting block (4) in both ends, be built by contract body (9) lower extreme fixedly connected with chock (10), be built by contract body (9) upper end fixedly connected with strengthening frame (8), install on strengthening frame (8) and support tight subassembly (6), support tight subassembly (6) supporting seat upper end fixedly connected with centre gripping subassembly (5), centre gripping subassembly (5) have seted up spread groove (7) by middle package (1) one end.

2. The steelmaking cover according to claim 1, wherein the cross-sections of the connecting block (4) and the connecting groove (7) are both positive and negative, and the connecting groove (7) is connected with the connecting block (4) in a jogged mode.

3. A steel making ladle cover with stable installation according to claim 1, wherein the outer ring diameter of the chock (10) is the same as the inner ring diameter of the tundish (1).

4. The steelmaking cover according to claim 1, characterised in that the reinforcing frame (8) is of a cross-shaped structure, and a through hole is formed at the central point of the supporting seat of the abutting component (6).

5. The steelmaking ladle cover with stable installation according to claim 1, wherein the abutting component (6) comprises a bearing seat (601), a threaded cylinder (602), a threaded rod (603) and an operating rod (604), the threaded cylinder (602) is fixedly connected to the upper end of the bearing seat (601), the threaded rod (603) is in threaded connection with the inner side of the threaded cylinder (602), the operating rod (604) which is symmetrical front and back is fixedly connected to the outer side of the threaded cylinder (602), and a heat insulation sleeve is arranged on one outer side of the operating rod (604).

6. The steelmaking ladle cover with stable installation according to claim 1, wherein the clamping assembly (5) comprises an installation shell (501), a driving motor (502), a bidirectional screw rod (503), a clamping frame (504), a threaded sleeve (505), a limiting sliding block (506) and a limiting sliding groove (507), the driving motor (502) is installed at the left end of the installation shell (501), and the bidirectional screw rod (503) is installed at the right end of an output shaft of the driving motor (502).

7. The steelmaking ladle cover with stable installation according to claim 6, wherein the bidirectional screw (503) is connected with a bilaterally symmetrical threaded sleeve (505) in a transmission manner, the outer side of the threaded sleeve (505) is fixedly connected with a clamping frame (504), the upper end of the clamping frame (504) is fixedly connected with a limiting slide block (506), the upper end of the installation shell (501) is provided with bilaterally symmetrical limiting slide grooves (507), and the limiting slide block (506) is connected with the limiting slide grooves (507) in a sliding manner.