CN210458245U - Replacement device for blast furnace top distribution chute - Google Patents
Replacement device for blast furnace top distribution chute Download PDFInfo
- Publication number
- CN210458245U CN210458245U CN201921675018.6U CN201921675018U CN210458245U CN 210458245 U CN210458245 U CN 210458245U CN 201921675018 U CN201921675018 U CN 201921675018U CN 210458245 U CN210458245 U CN 210458245U
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- frame
- hinged
- telescopic arm
- chute
- clamp
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Abstract
The utility model relates to a replacing device of a blast furnace top distribution chute, which utilizes two chute clamps to clamp a chute main body, a cylinder works in the clamping process, a left clamp and a right clamp carry out clamping action under the action of a connecting rod, so that the chute main body can not shake, and the chute main body is lifted under the matching use of a first hydraulic telescopic rod, a second hydraulic telescopic rod, a third hydraulic telescopic rod and a fourth hydraulic telescopic rod; through servo motor drive gear rotation, the rack toothing in drive gear and the locating rack outside for rotatory circle frame is rotatory, and then can carry out the position transform to the chute main part of centre gripping between two chute clamps, is convenient for install and change the chute main part, and the chute main part can not take place to rock, and stability is good, changes consuming time weak point.
Description
Technical Field
The utility model belongs to the field of metallurgical industry, in particular to a replacing device of a blast furnace top distribution chute.
Background
The blast furnace top distribution chute is hung on a distributor rotor and can distribute furnace burden in the furnace in a mode of independent rotation, independent tilting and simultaneous rotation and tilting to form groove bodies with different material levels. The bell-less top distribution chute is a key component of a bell-less top system and is also a vulnerable component, because it is very important, and the service life of the distribution chute is related to the reliability of the whole bell-less top equipment. Due to impact of high drop of material flow, sliding abrasion of the material to the lining plate, burning loss and cavitation of the shell, and damage and failure of the distribution chute due to weld cracking, bolt shearing, matrix tearing and the like caused by thermal stress. When the distribution chute is damaged, the distribution chute needs to be replaced in time, and the blast furnace needs to be subjected to damping down treatment, so that the replacement of the distribution chute is very important, and the production capacity of the blast furnace is directly influenced by the length of the replacement time.
The traditional replacement method is to adopt a chute bracket with a counterweight and use an electric hoist or a crane to assist in completing the replacement of the distribution chute. The replacement method needs a replacement person to stand near the chute replacement hole to observe the chute hanging position point and guide a crane operator to install the distribution chute, and the crane can cause the distribution chute to shake in the process of feeding into the furnace in the operation process, thereby causing difficult installation, long time consumption, inconvenient operation and influence on the production of the blast furnace. Therefore, a device for replacing a blast furnace top distribution chute is provided.
Disclosure of Invention
In order to solve the technical problem, the utility model aims to provide a replacing device of a blast furnace top distribution chute.
The utility model provides a technical scheme that its technical problem adopted is: a replacing device of a blast furnace top material distribution chute comprises a base with traveling wheels at the bottom, wherein a vertically upward supporting frame is arranged on the base, the top of the supporting frame is hinged with one end of a hoisting frame, a first hydraulic telescopic rod is connected between the hoisting frame and the base, the other end of the hoisting frame is connected with one end of a first telescopic arm, a second hydraulic telescopic rod is connected between the hoisting frame and the first telescopic arm, the first telescopic arm can slide along the hoisting frame, the other end of the first telescopic arm is connected with one end of a second telescopic arm, a third hydraulic telescopic rod is connected between the first telescopic arm and the second telescopic arm, the second telescopic arm can slide along the first telescopic arm, the other end of the second telescopic arm is hinged with a vertically downward suspension arm, the end part of the suspension arm is provided with a disc-shaped positioning frame, and a fourth hydraulic telescopic rod is arranged between the second telescopic arm and the positioning frame, the outer side of the positioning frame is embedded with a rotary round frame, a rotary driving mechanism is arranged between the rotary round frame and the positioning frame, and the bottom of the rotary round frame is provided with a chute clamp.
Specifically, the chute clamp comprises a rotating block connected with a rotating round frame, a clamp seat is arranged on the rotating block, and a left clamp and a right clamp which are matched with each other are hinged on the clamp seat; the clamp seat is also provided with an air cylinder, the tail part of the air cylinder is hinged with the upper end part of the clamp seat, and the telescopic end of the air cylinder is hinged with the right clamp; the left clamp is provided with a positioning block, and the positioning block is hinged with the right clamp through a connecting rod.
Preferably, the chute clamp is provided with two clamps which are symmetrically arranged relative to the circle center of the rotary round frame.
Furthermore, the surfaces of the left clamp and the right clamp are provided with anti-slip pads, anti-slip inverted teeth are arranged on the protective pads, and the anti-slip pads are made of rubber.
Specifically, the rotary driving mechanism comprises a servo motor, a transmission gear and a rack, the servo motor is arranged on the rotary round frame, an output shaft of the servo motor is in transmission connection with the transmission gear, and the transmission gear is in meshing connection with the rack arranged on the outer side of the positioning frame.
Specifically, a plurality of balls are arranged between the rotary round frame and the positioning frame.
Preferably, one end of the first hydraulic telescopic rod is hinged to the base, and the other end of the first hydraulic telescopic rod is hinged to one side, close to the first telescopic arm, of the hoisting frame; one end of the second hydraulic telescopic rod is hinged to the middle part of the hoisting frame, and the other end of the second hydraulic telescopic rod is hinged to the end part, close to one side of the second telescopic arm, of the first telescopic arm; one end of the fourth hydraulic telescopic rod is hinged to one end, close to the suspension arm, of the second telescopic arm, and the other end of the fourth hydraulic telescopic rod is hinged to a positioning frame below the second telescopic arm.
The utility model discloses following beneficial effect has: the utility model utilizes two chute clamps to clamp the chute main body, the air cylinder works in the clamping process, the left clamp and the right clamp are enabled to carry out clamping action under the action of the connecting rod, so that the chute main body can not shake, and the chute main body is lifted under the matching use of the first hydraulic telescopic rod, the second hydraulic telescopic rod, the third hydraulic telescopic rod and the fourth hydraulic telescopic rod; through servo motor drive gear rotation, the rack toothing in drive gear and the locating rack outside for rotatory circle frame is rotatory, and then can carry out the position transform to the chute main part of centre gripping between two chute clamps, is convenient for install and change the chute main part, and the chute main part can not take place to rock, and stability is good, changes consuming time weak point.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of the chute clamp of the present invention;
fig. 4 is a schematic structural diagram of the rotation driving mechanism of the present invention.
In the figure, 1 base, 2 support frames, 3 hoisting frames, 4 first hydraulic telescopic rods, 5 first telescopic arms, 6 second hydraulic telescopic rods, 7 second telescopic arms, 8 third hydraulic telescopic rods, 9 hoisting arms, 10 positioning frames, 11 fourth hydraulic telescopic rods, 12 rotary round frames, 13 chute clamps, 14 rotary blocks, 15 clamp seats, 16 left clamps, 17 right clamps, 18 cylinders, 19 positioning blocks, 20 connecting rods, 21 racks, 22 transmission gears, 23 servo motors, 24 balls, 25 travelling wheels, 26 and a distribution chute.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described, but the scope of the present invention is not limited to these embodiments. All changes and equivalents that do not depart from the spirit and scope of the invention are intended to be included within the scope of the invention.
As shown in fig. 1 and 2, the replacing device for the blast furnace top distribution chute comprises a base 1 with walking wheels 25 at the bottom, a support frame 2 which is vertically upward is arranged on the base 1, the top of the support frame 2 is hinged with one end of a hoisting frame 3, a first hydraulic telescopic rod 4 is connected between the hoisting frame 3 and the base 1, the other end of the hoisting frame 3 is connected with one end of a first telescopic arm 5, a second hydraulic telescopic rod 6 is connected between the hoisting frame 3 and the first telescopic arm 5, the first telescopic arm 5 can slide along the hoisting frame 3, the other end of the first telescopic arm 5 is connected with one end of a second telescopic arm 7, a third hydraulic telescopic rod 8 is connected between the first telescopic arm 5 and the second telescopic arm 7, the second telescopic arm 7 can slide along the first telescopic arm 5, the other end of the second telescopic arm 7 is hinged with a suspension arm 9 which is vertically downward, a disc-shaped positioning frame 10 is arranged at the end of the suspension arm 9, a fourth hydraulic telescopic rod 11 is arranged between the second telescopic arm 7 and the positioning frame 10, a rotary round frame 12 is embedded in the outer side of the positioning frame 10, a rotary driving mechanism is arranged between the rotary round frame 12 and the positioning frame 10, and a chute clamp 13 is arranged at the bottom of the rotary round frame 12. The number of the chute clamps 13 is two, and the chute clamps are symmetrically arranged relative to the circle center of the rotary round frame 12.
As shown in fig. 3, the chute clamp 13 comprises a rotating block 14 connected with the rotating round frame 12, a clamp seat 15 is arranged on the rotating block 14, and a left clamp 16 and a right clamp 17 which are matched with each other are hinged on the clamp seat 15; the clamp seat 15 is also provided with an air cylinder 18, the tail part of the air cylinder 18 is hinged with the upper end part of the clamp seat 15, and the telescopic end of the air cylinder 18 is hinged with the right clamp 17; the left clamp 16 is provided with a positioning block 19, and the positioning block 19 is hinged with the right clamp 17 through a connecting rod 20. The surfaces of the left clamp 16 and the right clamp 17 are provided with anti-slip pads, anti-slip inverted teeth are arranged on the protective pads, and the anti-slip pads are made of rubber.
As shown in fig. 4, the rotary driving mechanism includes a servo motor 23, a transmission gear 22, and a rack 21, the servo motor 23 is disposed on the rotary round frame 12, an output shaft of the servo motor 23 is in transmission connection with the transmission gear 22, and the transmission gear 22 is in meshing connection with the rack 21 disposed outside the positioning frame 10. A plurality of balls 24 are arranged between the rotary round rack 12 and the positioning rack 10, so that the friction force between the rotary round rack 12 and the positioning rack 10 is reduced, and the rotary round rack 12 can rotate conveniently.
In the preferred embodiment, one end of the first hydraulic telescopic rod 4 is hinged on the base 1, and the other end is hinged on one side of the hoisting frame 3 close to the first telescopic arm 5; one end of a second hydraulic telescopic rod 6 is hinged to the middle part of the hoisting frame 3, and the other end of the second hydraulic telescopic rod is hinged to the end part of the first telescopic arm 5 close to one side of a second telescopic arm 7; one end of a fourth hydraulic telescopic rod 11 is hinged to one end, close to the suspension arm 9, of the second telescopic arm 7, and the other end of the fourth hydraulic telescopic rod 11 is hinged to a positioning frame 10 below the second telescopic arm 7.
Utilize two chute clamps 13 to carry out the centre gripping to the chute main part for the chute main part can not take place to rock, is convenient for change the chute, and uses under the cooperation of first hydraulic telescoping rod 4, second hydraulic telescoping rod 6, third hydraulic telescoping rod 8 and fourth hydraulic telescoping rod 11, lifts the chute main part.
During the clamping process, the air cylinder 18 works, and the left clamp 16 and the right clamp 17 are enabled to perform clamping action under the action of the connecting rod 20 so as to clamp the chute body. The transmission gear 22 is driven to rotate by the servo motor 23, the transmission gear 22 is meshed with the rack 21 on the outer side of the positioning frame 10, the rotary round frame 12 is made to rotate, the chute main body clamped between the two chute clamps 13 can be subjected to position conversion, and the chute main body is convenient to install and replace.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (7)
1. The replacement device of the blast furnace top distribution chute is characterized by comprising a base (1) with traveling wheels (25) arranged at the bottom, wherein a vertically upward supporting frame (2) is arranged on the base (1), the top of the supporting frame (2) is hinged with one end of a hoisting frame (3), a first hydraulic telescopic rod (4) is connected between the hoisting frame (3) and the base (1), the other end of the hoisting frame (3) is connected with one end of a first telescopic arm (5), a second hydraulic telescopic rod (6) is connected between the hoisting frame (3) and the first telescopic arm (5), the first telescopic arm (5) can slide along the hoisting frame (3), the other end of the first telescopic arm (5) is connected with one end of a second telescopic arm (7), a third hydraulic telescopic rod (8) is connected between the first telescopic arm (5) and the second telescopic arm (7), and the second telescopic arm (7) can slide along the first telescopic arm (5), the other end of the second telescopic arm (7) is hinged with a vertical downward suspension arm (9), the end part of the suspension arm (9) is provided with a disc-shaped positioning frame (10), a fourth hydraulic telescopic rod (11) is arranged between the second telescopic arm (7) and the positioning frame (10), the outer side of the positioning frame (10) is embedded with a rotary round frame (12), a rotary driving mechanism is arranged between the rotary round frame (12) and the positioning frame (10), and the bottom of the rotary round frame (12) is provided with a chute clamp (13).
2. The replacement device of the blast furnace top distribution chute as claimed in claim 1, wherein the chute clamp (13) comprises a rotating block (14) connected with the rotating circular frame (12), a clamp seat (15) is arranged on the rotating block (14), and a left clamp (16) and a right clamp (17) which are matched with each other are hinged on the clamp seat (15); the clamp seat (15) is also provided with an air cylinder (18), the tail part of the air cylinder (18) is hinged with the upper end part of the clamp seat (15), and the telescopic end of the air cylinder (18) is hinged with the right clamp (17); the left clamp (16) is provided with a positioning block (19), and the positioning block (19) is hinged with the right clamp (17) through a connecting rod (20).
3. The replacement device for the blast furnace top distribution chute according to claim 1 or 2, characterized in that two chute clamps (13) are provided, symmetrically arranged with respect to the center of the rotating circular frame (12).
4. The replacement device for the blast furnace top distribution chute according to claim 2, wherein the surfaces of the left clamp (16) and the right clamp (17) are provided with anti-slip pads, the protective pads are provided with anti-slip inverted teeth, and the anti-slip pads are made of rubber.
5. The replacement device of the blast furnace top distribution chute according to claim 1, wherein the rotary driving mechanism comprises a servo motor (23), a transmission gear (22) and a rack (21), the servo motor (23) is arranged on the rotary round frame (12), an output shaft of the servo motor (23) is in transmission connection with the transmission gear (22), and the transmission gear (22) is in meshing connection with the rack (21) arranged on the outer side of the positioning frame (10).
6. The replacement device for a blast furnace top distribution chute according to claim 1 or 5, characterized in that a plurality of balls (24) are provided between the rotating circular frame (12) and the positioning frame (10).
7. The replacement device for the blast furnace top distribution chute according to claim 1, characterized in that one end of said first hydraulic telescopic rod (4) is hinged to the base (1) and the other end is hinged to the side of the hoisting frame (3) close to the first telescopic arm (5); one end of a second hydraulic telescopic rod (6) is hinged to the middle part of the hoisting frame (3), and the other end of the second hydraulic telescopic rod is hinged to the end part of the first telescopic arm (5) close to one side of a second telescopic arm (7); one end of a fourth hydraulic telescopic rod (11) is hinged to one end, close to the suspension arm (9), of the second telescopic arm (7), and the other end of the fourth hydraulic telescopic rod (11) is hinged to a positioning frame (10) below the second telescopic arm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921675018.6U CN210458245U (en) | 2019-10-09 | 2019-10-09 | Replacement device for blast furnace top distribution chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921675018.6U CN210458245U (en) | 2019-10-09 | 2019-10-09 | Replacement device for blast furnace top distribution chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210458245U true CN210458245U (en) | 2020-05-05 |
Family
ID=70434142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921675018.6U Expired - Fee Related CN210458245U (en) | 2019-10-09 | 2019-10-09 | Replacement device for blast furnace top distribution chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210458245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484669A (en) * | 2019-10-09 | 2019-11-22 | 莱芜钢铁集团有限公司 | A kind of more changing device of material distribution chute on furnace top of blast furnace |
-
2019
- 2019-10-09 CN CN201921675018.6U patent/CN210458245U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484669A (en) * | 2019-10-09 | 2019-11-22 | 莱芜钢铁集团有限公司 | A kind of more changing device of material distribution chute on furnace top of blast furnace |
| CN110484669B (en) * | 2019-10-09 | 2023-12-12 | 莱芜钢铁集团有限公司 | Replacement device for blast furnace top distribution chute |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20201009 |