CN210450957U

CN210450957U - Steel ladle upper nozzle dismounting device

Info

Publication number: CN210450957U
Application number: CN201920619739.9U
Authority: CN
Inventors: 杨立勋; 吴会能
Original assignee: Quzhou Yuanli Metal Products Co ltd
Current assignee: Quzhou Yuanli Metal Products Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-05-05
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a mouth of a river dismounting device on ladle, including the mouth of a river body, it is provided with the uninstallation stick to run through on the mouth of a river body, fixed block fixedly connected with pull ring is passed through to the one end of uninstallation stick, the other end fixedly connected with dop of uninstallation stick, the upper end of dop is equipped with the steel sheet, the lower extreme fixedly connected with guide pillar of steel sheet, stopper and spacing groove sliding connection are passed through in the inside of dop in the lower part of guide pillar. The device pulls the pull ring to enable the unloading rod to drive the chuck to be discharged, so that the upper nozzle body is disassembled; in the dismounting process, the impact force generated between the chuck and the upper nozzle body can be buffered, and the chuck is buffered and protected, so that the service life of the chuck is prolonged; the acting force of the clamping head on the pulling-out upper nozzle body is prevented from being influenced by the buffer transition of the steel plate.

Description

Steel ladle upper nozzle dismounting device

Technical Field

The utility model belongs to the technical field of the ladle repair tools, concretely relates to mouth of a river dismounting device on ladle.

Background

At present, the service life of a steel ladle water feeding port at home and abroad is 10-20 times and is shorter than that of a steel ladle bottom (more than 30 times), so that the steel ladle water feeding port needs to be replaced during the hot turnover of the steel ladle; the traditional method for replacing the water feeding port is that a hand chisel or an electric drill is used for impacting the water feeding port until the water feeding port falls off, and other parts of the bottom of a ladle are easily impacted by the traditional method, so that the refractory materials are damaged, the service life of the ladle is shortened, time and labor are wasted, and the continuity of the whole production is greatly influenced.

Therefore, the publication number CN104772453B discloses a quick online dismounting device for a ladle upper nozzle, which belongs to the technical field of ladle maintenance tools and is used for quickly and online dismounting the ladle upper nozzle. The technical scheme is as follows: the steel ladle air cooling device comprises an air cooling push rod, a pull head, a pull rod, a hollow jack and a support frame, wherein one end of the air cooling push rod is connected with an air cooling device, the other end of the air cooling push rod is movably connected with the pull head, a large-diameter circular truncated cone at the rear part of the pull head is clamped on the outer side of the inner end face of a steel ladle of an upper nozzle, the front part of the pull head penetrates through the inner upper nozzle of the steel ladle and is connected with the front end of the pull rod, the pull rod. The invention can rapidly finish the on-line disassembly of the ladle upper nozzle, greatly improves the working efficiency, avoids damaging the refractory material at the bottom of the ladle and prolongs the service life of the ladle.

The following disadvantages still remain: the device pulls the pull rod, and then pulls out the pull head through producing the impact between the port of pull head and the mouth of a river to realize the dismantlement of the mouth of a river, the great pair of impact of the frictional force that produces between its pull head and the mouth of a river can not cushion, makes the pull head very easily transitional wear, and life is short, is unfavorable for practicing thrift use cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mouth of a river dismounting device on ladle to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ladle upper nozzle dismounting device, includes the upper nozzle body, run through on the upper nozzle body and be provided with the uninstallation stick, fixed block fixedly connected with pull ring is passed through to the one end of uninstallation stick, the other end fixedly connected with dop of uninstallation stick, the upper end of dop is equipped with the steel sheet, the lower extreme fixedly connected with guide pillar of steel sheet, stopper and spacing groove sliding connection are passed through to the lower part of guide pillar in the inside of dop.

When the upper nozzle body is disassembled, the unloading rod is inserted into the upper nozzle body from the front end of the ladle, and the pull ring is pulled to drive the unloading rod to drive the chuck out, so that the upper nozzle body is disassembled; in the dismounting process, under the matching action of the guide pillar, the steel plate and the rubber sleeve, the impact force generated between the chuck and the upper nozzle body is buffered, and the chuck is buffered and protected, so that the service life of the chuck is prolonged; and inject the cushion effect through spout and spacing groove, avoid the steel sheet buffering transition and influence the chuck to the effort of pulling out the water inlet body.

Preferably, the fixed block is in threaded connection with the end of the unloading rod, and a pull ring is fixedly welded on the fixed block.

This setting is when dismantling the upper nozzle body, and in inserting the upper nozzle body to uninstallation stick from the ladle front end, the dop blocked the port portion of upper nozzle body this moment, then installation fixed block pulling ring can stimulate out and dismantle the upper nozzle body for the fixed block is convenient for install and dismantle, convenient to use.

Preferably, the outer side of one end of the unloading rod is provided with a thread groove which is matched and connected with the fixed block.

This setting is convenient for the installation and the dismantlement of fixed block.

Preferably, the upper end of the clamping head is provided with a sliding groove in matched connection with the guide pillar, the two sides of the guide pillar are respectively welded and fixed with a limiting block, and the wall of the sliding groove is provided with a limiting groove in matched connection with the limiting block.

This item sets up the stopper and slides at the spacing inslot, prescribes a limit to the sliding position of guide pillar in the dop, avoids guide pillar roll-off dop, has improved connection structure's between dop and the guide pillar steadiness to can drive the steel sheet through the guide pillar and reciprocate on the dop, when producing the impact between dop and the last mouth of a river body, the steel sheet can protect the dop, improves the life of dop.

Preferably, a rubber sleeve is arranged between the steel plate and the clamping head, and the rubber sleeve is sleeved on the guide pillar.

When the pull ring is pulled, impact force is generated between the clamping head and the upper nozzle body, so that the clamping head is pulled out of the upper nozzle body, the steel plate is tightly propped against the port of the upper nozzle body, meanwhile, the lower end of the steel plate extrudes the rubber sleeve, and the impact force is buffered and absorbed under the elastic action of the rubber sleeve, so that the clamping head is favorably buffered and protected, and the service life is prolonged; and spout and spacing groove carry on spacingly to the removal of guide pillar on the dop to inject the cushion effect, avoid the steel sheet buffering transition and influence the acting force of dop to pulling out the water inlet body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic view of the upper end structure of the unloading rod of the present invention.

In the figure: 1. a water feeding port body; 2. unloading the rod; 3. a pull ring; 4. a fixed block; 5. a thread groove; 6. clamping a head; 7. a steel plate; 8. a guide post; 9. a rubber sleeve; 10. a chute; 11. a limiting block; 12. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a ladle nozzle dismounting device comprises a nozzle body 1, wherein an unloading rod 2 is arranged on the nozzle body 1 in a penetrating manner, one end of the unloading rod 2 is fixedly connected with a pull ring 3 through a fixing block 4, the other end of the unloading rod 2 is fixedly connected with a chuck 6, a steel plate 7 is arranged at the upper end of the chuck 6, a guide pillar 8 is fixedly connected to the lower end of the steel plate 7, and the lower part of the guide pillar 8 is slidably connected inside the chuck 6 through a limiting block 11 and a limiting groove 12.

Fixed block 4 threaded connection is on the tip of uninstallation stick 2, welded fastening has pull ring 3 on fixed block 4 for fixed block 4 is convenient for install and remove, convenient to use.

And a thread groove 5 which is matched and connected with the fixing block 4 is arranged on the outer side of one end of the unloading rod 2, so that the fixing block 4 can be conveniently installed and detached.

The upper end of dop 6 is equipped with the spout 10 with guide pillar 8 accordant connection, the both sides of guide pillar 8 all welded fastening have stopper 11, be equipped with on the cell wall of spout 10 with stopper 11 accordant connection's spacing groove 12, avoid guide pillar 8 roll-off dop 6, improved the steadiness of connection structure between dop 6 and the guide pillar 8.

A rubber sleeve 9 is arranged between the steel plate 7 and the chuck 6, and the rubber sleeve 9 is sleeved on the guide post 8, so that the chuck 6 is favorably buffered and protected, and the service life of the chuck is prolonged; the buffer force is limited, and the influence of the buffer transition of the steel plate 7 on the acting force of the clamping head 6 on the pulling-out upper nozzle body 1 is avoided.

Specifically, when the upper nozzle body 1 is disassembled, the unloading rod 2 is inserted into the upper nozzle body 1 from the front end of the ladle, then the fixed block 4 is installed at the end part of the unloading rod 2 extending to the outside of the ladle, and the pull ring 3 is pulled to drive the unloading rod 2 to drive the chuck 6, so that the upper nozzle body 1 is disassembled; in the disassembly process, the steel plate 7 is tightly abutted against the port of the upper nozzle body 1, the impact force generated between the clamping head 6 and the upper nozzle body 1 is buffered under the matching action of the guide pillar 8, the steel plate 7 and the rubber sleeve 9, and the clamping head 6 is buffered and protected, so that the service life of the upper nozzle body is prolonged; and the buffer force is limited through the sliding groove 10 and the limiting groove 12, so that the buffer transition of the steel plate 7 is avoided, and the acting force of the clamping head 6 on the pulled-out upper nozzle body 1 is prevented from being influenced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a ladle upper nozzle dismounting device, includes upper nozzle body (1), its characterized in that: the water supply nozzle is characterized in that an unloading rod (2) penetrates through the upper nozzle body (1), one end of the unloading rod (2) is fixedly connected with a pull ring (3) through a fixing block (4), the other end of the unloading rod (2) is fixedly connected with a clamping head (6), a steel plate (7) is arranged at the upper end of the clamping head (6), a guide pillar (8) is fixedly connected to the lower end of the steel plate (7), and the lower portion of the guide pillar (8) is connected to the inside of the clamping head (6) through a limiting block (11) and a limiting groove (12) in a sliding mode.

2. The ladle nozzle dismounting device according to claim 1, wherein: the fixed block (4) is in threaded connection with the end part of the unloading rod (2), and a pull ring (3) is fixedly welded on the fixed block (4).

3. The ladle nozzle dismounting device according to claim 1, wherein: and a thread groove (5) which is matched and connected with the fixed block (4) is arranged on the outer side of one end of the unloading rod (2).

4. The ladle nozzle dismounting device according to claim 1, wherein: the upper end of the clamping head (6) is provided with a sliding groove (10) which is connected with the guide pillar (8) in a matching mode, limiting blocks (11) are fixed to two sides of the guide pillar (8) in a welding mode, and limiting grooves (12) which are connected with the limiting blocks (11) in a matching mode are formed in the groove wall of the sliding groove (10).

5. The ladle nozzle dismounting device according to claim 1, wherein: a rubber sleeve (9) is arranged between the steel plate (7) and the clamping head (6), and the rubber sleeve (9) is sleeved on the guide pillar (8).