CN219603621U

CN219603621U - Working arm of converter spray repair machine

Info

Publication number: CN219603621U
Application number: CN202320115045.8U
Authority: CN
Inventors: 王占凯; 王金怡
Original assignee: NANJING CALM MACHINERY MANUFACTURING CO LTD
Current assignee: NANJING CALM MACHINERY MANUFACTURING CO LTD
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-08-29
Anticipated expiration: 2033-01-17

Abstract

The utility model provides a working arm of a converter spray repair machine, which solves the problem that the conventional mode of only increasing the arm length inevitably brings operation burden to the working arm of the spray repair machine.

Description

Working arm of converter spray repair machine

Technical Field

The utility model relates to the technical field of converter spray repair machines, in particular to a working arm of a converter spray repair machine.

Background

The converter is an important production device in steelmaking production; the lining of the converter is steelmaking under the high temperature state for a long time, the lining of the converter is operated under the high temperature and high pressure state for a long time, the lining of the converter is continuously impacted and corroded, the lining of the converter is easy to damage, and the damaged lining of the converter needs to be repaired.

At present, a spraying and feeding method is adopted for repairing the lining of the converter; the feeding is to put the repairing mass into the damaged position, and the repairing mass is difficult to accurately put into a reasonable furnace protection position due to the deeper depth of the converter, so that the position to be repaired cannot be repaired for a long time, and production accidents of furnace leakage are easily caused.

However, for the length of the working arm for discharging, conventionally, only increasing the length of the arm inevitably brings operation burden, so that a flexible and changeable working arm for the converter gunning machine is needed, and the corresponding working arm for the converter gunning machine can be adjusted simultaneously by the hose and the working arm.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a working arm of a converter gunning machine, which can simultaneously adjust a hose and the working arm.

In order to solve the technical problems, the utility model adopts the following technical scheme: a converter gunning machine work arm comprising: the pipe body is communicated with an external material hose, the pipe body comprises a plurality of sections which can be coaxially telescopic, each section of periphery is provided with a feeding mechanism corresponding to the pipe body, the feeding mechanism comprises a box body, a driving piece and a carrier roller, the carrier roller at least comprises two sections and is symmetrically and rotationally connected in the box body, one end of each two sections of symmetrical carrier rollers, which is opposite, is in rolling contact with the corresponding section of the pipe body, the driving piece is used for driving the carrier roller to rotate, the pipe body bottom is fixedly provided with a pipe support, a jacking cylinder for pipe body swinging is hinged to the pipe support, and the pipe body and the top of the pipe support are rotationally connected through a rotary support seat.

Further, the pipe body comprises two sections, namely a large pipe section and a small pipe section, the small pipe section penetrates out from one end of the large pipe section and is communicated with the material hose, water cooling is adopted between the large pipes, one end, close to the small pipe section, of the large pipe section is provided with a corresponding large pipe feeding mechanism, and the other end of the large pipe section is provided with a hose feeding mechanism corresponding to the material hose.

Further, the driving piece comprises a driving bevel gear and a driven bevel gear, the driving bevel gear is connected with the box body bearing, the driven bevel gear comprises two driven bevel gears and is coaxially driven corresponding to the two carrier rollers, the driving bevel gear is driven by an external hydraulic motor and is located between the two driven bevel gears and is meshed and matched with the two driven bevel gears, and the large pipe section and the small pipe section correspondingly penetrate through the space between the two carrier rollers.

Further, both ends of the rotating roller are concave to form a smooth cambered surface, and friction lines are uniformly distributed on the contact surface of the rotating roller and the pipe body.

Further, the feeding mechanism further comprises an adjusting component for adjusting the distance between the carrier rollers, the adjusting component is symmetrically arranged at two ends of the box body and comprises a sliding block, a sliding plate and an adjusting screw, the sliding block is fixed with a bolt of the box body, the sliding plate is connected with the inner side of the sliding block in a sliding mode, two ends of the carrier rollers are coaxially fixed with the sliding plate corresponding to bearing blocks, and the top of the box body and the top of the sliding plate are adjusted and locked through the adjusting screw.

Further, a coaxial main support seat is also fixed on the periphery of the large pipe section, and the bottom of the main support seat is hinged with the output end of the jacking oil cylinder.

Further, a space ring fixed by a pipe clamp is further arranged on the periphery of the large pipe section, and a ferrule used for supporting an external material hose is connected to the bottom of the space ring.

Further, one end of the small pipe section far away from the large pipe section is communicated with a Y-shaped nozzle fixed by threads, the other end of the small pipe section is communicated with a material hose through a transition joint, rollers fixed by shaft pins are uniformly distributed on the side periphery of the small pipe section, and the rollers are in rolling contact with the inner surface of the small pipe section.

Further, the large pipe section can rotate clockwise by +/-170 degrees through the rotary supporting seat.

Compared with the prior art, the utility model has the beneficial effects that: the automatic adjusting device has the advantages that the corresponding expansion and contraction of the material hose and the large pipe can be realized through the two feeding mechanisms, the adjusting process can be correspondingly synchronous with the output end of the small pipe section, the large pipe section can further increase the arm length adjusting amplitude, the two are combined, the large pipe is internally arranged for water cooling, the external hose is used for supporting in an auxiliary mode, and the safety is higher when the converter is gunned, so that more adjusting working conditions can be met.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 schematically shows an overall structure according to an embodiment of the present utility model;

FIG. 2 schematically illustrates an exploded view of a feed mechanism according to one embodiment of the present utility model;

fig. 3 schematically shows an exploded view of a small pipe section according to an embodiment of the utility model.

Reference numerals in the drawings: 1. a tube body; 11. a large pipe section; 111. a pipe clamp; 112. a spacer ring; 113. a ferrule; 12. a small pipe section; 121. a roller; 122. a transition joint; 13. a material hose; 2. a feeding mechanism; 21. a case; 22. a driving member; 221. a driving helical gear; 222. driven helical gears; 23. a carrier roller; 231. friction lines; 24. an adjustment assembly; 241. a slide block; 242. a slide plate; 243. an adjusting screw; 244. a bearing seat; 3. a conduit bracket; 4. jacking the oil cylinder; 5. a rotary supporting seat; 6. a main support seat; 7. and (3) a nozzle.

Detailed Description

It is to be understood that, according to the technical solution of the present utility model, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

An embodiment according to the present utility model is shown in connection with fig. 1-3.

The utility model provides a converter spray repair machine work arm, including the body 1 with outer material hose 13 intercommunication, body 1 includes but coaxial telescopic multistage, its every section periphery all is equipped with rather than the feed mechanism 2 that corresponds, feed mechanism 2 includes box 21, driving piece 22 and bearing roller 23, bearing roller 23 includes two and symmetry rotation connection in box 21 at least, the relative one end of every two symmetry bearing rollers 23 and body 1 correspond the section rolling contact, driving piece 22 is used for driving bearing roller 23 and rotates, the body 1 bottom of the outer section is fixed with pipeline support 3, articulated on pipeline support 3 have the jacking cylinder 4 that is used for body 1 wobbling, the body 1 of the outer section passes through slewing bearing seat 5 swivelling joint with pipeline support 3 top, slewing bearing seat 5 is used for realizing the rotation of body 1 clockwise + -170.

In this embodiment, as shown in fig. 1, the pipe body 1 includes two sections, namely a large pipe section 11 and a small pipe section 12, the small pipe section 12 penetrates from one end of the large pipe section 11 and is communicated with the material hose 13, the inside of the large pipe is cooled by water circulation, cooling water in the large pipe is communicated with an external water tank through an external valve, the external water tank corresponds to compressed air to realize water circulation driving, and correspondingly, in fig. 2, one end of the large pipe section 11 is provided with a corresponding large pipe feeding mechanism 2, and the other end is provided with a hose feeding mechanism 2 corresponding to the material hose 13.

As for the driving member 22 in the feeding mechanism 2, there may be various types of driving members, which aim at realizing the relative rotation of the rotating roller in the box 21, as shown in fig. 2, in this embodiment, the driving member 22 specifically includes a driving bevel gear 221 and a driven bevel gear 222, the driving bevel gear 221 is in bearing connection with the box 21, the driven bevel gear 222 includes two driven bevel gears and is coaxially driven corresponding to the two carrier rollers 23, the driving bevel gear 221 is driven by an external hydraulic motor, and the driving bevel gear 221 is located between the two driven bevel gears 222 and is engaged with the two driven bevel gears 222, and the large pipe section 11 and the small pipe section 12 correspondingly pass through between the two carrier rollers 23.

Further, the rotating roller is a concave patterned cambered surface, and friction lines 231 are uniformly distributed on the contact surface of the rotating roller and the pipe body 1.

Therefore, after the output of the external hydraulic motor, the positioning rotation of the carrier roller 23 on the bearing in the box 21 and the corresponding friction of the friction line 231 surface of the carrier roller 23 with the large pipe section 11 and the material hose 13 can be realized through the transmission of the two meshed bevel gears, and the telescopic feeding of the material hose 13 (namely the small pipe section 12) and the large pipe section 11 can be realized.

Similarly, as shown in fig. 2, fig. 2 shows a feeding mechanism 2 of the large pipe section 11, the feeding mechanism 2 further comprises an adjusting component 24 for adjusting the distance between the carrier rollers 23, the adjusting component 24 is symmetrically arranged at two ends of the box 21, the adjusting component comprises a sliding block 241, a sliding plate 242 and an adjusting screw 243, the sliding block 241 is fixed with the box 21 by bolts, the sliding plate 242 is connected with the inner side of the sliding block 241 in a sliding way, two ends of the carrier rollers 23 are coaxially fixed with the sliding plate 242 corresponding to bearing blocks 244, and the top of the box 21 and the top of the sliding plate 242 are adjusted and locked by the adjusting bolts.

The carrier roller 23 at the bottom and the corresponding gear and other integral parts are fixed in the two sliding plates 242 through the bearing blocks 244, the distance between the two carrier rollers 23 is adjusted, the lifting and the descending of the lower carrier roller 23 can be realized only by adjusting the wheelbase locked by the adjusting bolts, the pressing force of the corresponding elastic carrier roller 23 and the large pipe section 11 is correspondingly realized, the excessive tightening is avoided in the actual use process, and the damage to the large pipe section 11 or the material hose 13 is avoided.

For the overall structure, the periphery of the large pipe section 11 is also fixed with a coaxial main support seat 6, the bottom of the main support seat 6 is hinged with the output end of the jacking cylinder 4, and the pipe body 1 can swing up and down under the action of the inclined jacking cylinder 4, so that different working requirements are met.

Furthermore, a limit spacer 112 fixed by the pipe clamp 111 is further provided on the outer periphery of the large pipe section 11, and a ferrule 113 for supporting the external material hose 13 is provided at the end portion, so that the external material hose 13 can be prevented from being pulled and knotted during actual use, the material hose 13 can be supported by penetrating the ferrule 113, and the spacer 112 is fixed on the side of the large pipe section 11 by the pipe clamp 111, thereby being convenient and reliable.

As shown in fig. 3, one end of the small pipe section 12 far away from the large pipe section 11 is communicated with a Y-shaped nozzle 7 which is fixed by threads, the other end is communicated with a material hose 13 through a transition joint 122, and rollers 121 which are fixed by shaft pins are uniformly distributed on the side periphery of the small pipe section 12, and the rollers 121 are in rolling contact with the inner surface of the small pipe section 12.

In the actual steel furnace gunning process, refractory materials are fed into a material hose 13 from an external gunning machine, the material hose 13 is communicated with a small pipe section 12 in a large pipe section 11 through a transition joint 122, the other end of the small pipe section 12 penetrates out of the large pipe section 11 and is fixedly provided with a nozzle 7 in a threaded manner for material ejection, when the feeding distance needs to be adjusted in the gunning process, firstly, the telescopic length of the material hose 13 is adjusted through a feeding mechanism of the material hose 13, and as the material hose 13 and the small pipe section 12 are connected into a whole, the telescopic distance of the small pipe section 12 is adjusted in the adjusting process, after a carrier roller 23 in the feeding mechanism of the material hose 13 rotates, the material hose 13 is driven to move forwards or backwards, and secondly, the telescopic length of the large pipe section 11 is adjusted through a feeding mechanism of the large pipe section 11, and after the carrier roller 23 in the feeding mechanism of the large pipe section 11 rotates, the large pipe section 11 is driven to move forwards or backwards through friction, so that secondary adjustment is realized.

The technical scope of the present utility model is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present utility model, and these changes and modifications should be included in the scope of the present utility model.

Claims

1. A converter gunning machine work arm, comprising: the pipe body is communicated with an external material hose, the pipe body comprises a plurality of sections which can be coaxially telescopic, each section of periphery is provided with a feeding mechanism corresponding to the pipe body, the feeding mechanism comprises a box body, a driving piece and a carrier roller, the carrier roller at least comprises two sections and is symmetrically and rotationally connected in the box body, one end of each two sections of symmetrical carrier rollers, which is opposite, is in rolling contact with the corresponding section of the pipe body, the driving piece is used for driving the carrier roller to rotate, the pipe body bottom is fixedly provided with a pipe support, a jacking cylinder for pipe body swinging is hinged to the pipe support, and the pipe body and the top of the pipe support are rotationally connected through a rotary support seat.

2. A working arm of a rotary furnace gunning machine according to claim 1 wherein: the pipe body comprises two sections, namely a large pipe section and a small pipe section, the small pipe section penetrates out from one end of the large pipe section and is communicated with a material hose, the large pipe is internally cooled by water, one end, close to the small pipe section, of the large pipe section is provided with a corresponding large pipe feeding mechanism, and the other end of the large pipe section is provided with a hose feeding mechanism corresponding to the material hose.

3. A working arm of a rotary furnace gunning machine according to claim 2 characterized in that: the driving piece comprises a driving bevel gear and a driven bevel gear, the driving bevel gear is connected with the box body bearing, the driven bevel gear comprises two driven bevel gears and is correspondingly coaxially driven with the two carrier rollers, the driving bevel gear is driven by an external hydraulic motor and is positioned between the two driven bevel gears and is meshed and matched with the two driven bevel gears, and the large pipe section and the small pipe section correspondingly pass through between the two carrier rollers.

4. A working arm of a rotary furnace gunning machine according to any one of claims 1 to 3 wherein: the carrier roller indent becomes smooth cambered surface, and its contact surface with the body equipartition has friction line.

5. A working arm of a rotary furnace gunning machine according to claim 1 wherein: the feeding mechanism further comprises adjusting components for adjusting the distance between the carrier rollers, the adjusting components are symmetrically arranged at two ends of the box body and comprise sliding blocks, sliding plates and adjusting screws, the sliding blocks are fixed with the bolts of the box body, the sliding plates are connected with the inner sides of the sliding blocks in a sliding mode, the two ends of the carrier rollers are coaxially fixed with the sliding plates through corresponding bearing blocks, and the top of the box body and the top of the sliding plates are adjusted and locked through the adjusting bolts.

6. A working arm of a rotary furnace gunning machine according to claim 2 characterized in that: and the periphery of the large pipe section is also fixed with a coaxial main support seat, and the bottom of the main support seat is hinged with the output end of the jacking oil cylinder.

7. A working arm of a rotary furnace gunning machine according to claim 2 characterized in that: the small pipe section is communicated with a Y-shaped nozzle fixed by threads at one end far away from the large pipe section, the other end is communicated with a material hose through a transition joint, rollers fixed by shaft pins are uniformly distributed on the side periphery of the small pipe section, and the rollers are in rolling contact with the inner face of the small pipe section.

8. A working arm of a rotary furnace gunning machine according to claim 2 characterized in that: the large pipe section can rotate clockwise by +/-170 degrees through the rotary supporting seat.