CN216550504U

CN216550504U - Furnace front tapping machine drill rod positioning and guiding device and furnace front tapping machine

Info

Publication number: CN216550504U
Application number: CN202122672668.9U
Authority: CN
Inventors: 邓振月; 王仲民; 薛理政; 陈文彬; 李垚翾; 冯伟; 康大鹏; 郭徽; 高兴辉
Original assignee: Beijing Shougang Co Ltd
Current assignee: Beijing Shougang Co Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-17
Anticipated expiration: 2031-11-03

Abstract

The utility model belongs to the technical field of blast furnace metallurgical equipment, and discloses a drill rod positioning and guiding device of a furnace front tapping machine and the furnace front tapping machine; the stokehold tapping machine drilling rod positioning and guiding device comprises: the device comprises a rocker arm, a pull rod, a base, a positioning guide sleeve and a refractory material block; the rocker arm is pivotally connected with first ends of the two pull rods, and second ends of the two pull rods are respectively pivotally connected with the two bases; the positioning guide sleeve comprises: two cylindrical petals which are integrally buckled; the two refractory material blocks are respectively fixed on the first axial end surfaces of the two cylindrical petals. The drill rod positioning and guiding device of the furnace front tapping machine and the furnace front tapping machine provided by the utility model can prolong the service life of the drill rod positioning and guiding device.

Description

Furnace front tapping machine drill rod positioning and guiding device and furnace front tapping machine

Technical Field

The utility model relates to the technical field of blast furnace metallurgical equipment, in particular to a drill rod positioning and guiding device of a furnace front tapping machine and the furnace front tapping machine.

Background

The drill rod holding claw of the tapping machine in front of the furnace is positioned at the foremost end of the tapping machine, the distance between the holding claw and a furnace door tapping hole is 150mm during tapping, and the holding claw and a holding claw base are frequently burnt and damaged when the tapping machine operates under severe working conditions such as 1500 ℃ high-temperature molten iron splashing and dust in the furnace during tapping; meanwhile, the fixing modes of the holding claw and the holding claw base are both bolt fixing, so that the fixing bolts cannot be detached after molten iron is splashed, and great inconvenience is brought to normal replacement work; meanwhile, the holding claw can be installed only by accurate positioning in the installation process, so that production operators are required to test the furnace door in the installation process, the use requirements are met, safety accidents easily occur in cooperation with cross operation, and the personal safety of the operators is seriously threatened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drill rod positioning and guiding device of a furnace front tapping machine and the furnace front tapping machine, which solve the technical problem that in the prior art, a drill rod holding claw of the furnace front tapping machine is easily burnt by high-temperature molten iron.

In order to solve the technical problem, the utility model provides a positioning and guiding device for a drill rod of a furnace front tapping machine, which comprises: the device comprises a rocker arm, a pull rod, a base, a positioning guide sleeve and a refractory material block;

the rocker arm is pivotally connected with first ends of the two pull rods, and second ends of the two pull rods are respectively pivotally connected with the two bases;

the positioning guide sleeve comprises: two cylindrical petals which are buckled into a whole;

the two refractory material blocks are respectively fixed on the first axial end surfaces of the two cylindrical petals.

Furthermore, a fixing groove is formed in the base, a fixing support lug is formed in the barrel valve, and the fixing support lug is embedded in the fixing groove and fixed through a pin shaft.

Further, the fixed lug is a non-gyrating mass.

Further, the fixed lug is a square block.

Furthermore, a square guide groove is formed in the inner side face of the barrel valve.

Furthermore, the square guide groove is formed by two guide surfaces which are vertically arranged, and the width of the two guide surfaces is consistent.

Further, the refractory block comprises: a fixed frame and a refractory castable layer;

the fixed frame is fixed at the end part of the barrel valve, and the refractory castable is cast and molded in the fixed frame.

Furthermore, one holding claw is fixed on each second axial end face of the two cylinder sections, and the holding area of the holding claw is coaxial with the cylinder cavity of the positioning guide sleeve.

Further, the holding claw is fixed through a fastening bolt.

A stokehole tapping machine comprising: any one of the drill rod positioning and guiding devices for the stokehole tapping machine.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

according to the furnace front tapping machine drill rod positioning and guiding device and the furnace front tapping machine, a cylindrical positioning and guiding sleeve is formed by two cylindrical petals which are integrally buckled and used for clamping and positioning a drill rod of the positioning and guiding tapping machine; and a refractory pouring material block is arranged at the first axial end part of the positioning guide sleeve and used for resisting sputtered high-temperature molten iron, so that molten iron ablation is avoided, the positioning guide structure of the drill rod is adhered, and the structural function normalization and the service life of the positioning guide sleeve are ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of a drill rod positioning guide of a stokehold tapping machine provided by an embodiment of the present invention;

fig. 2 is a left side view of the drill rod positioning guide of the stokehole tapping machine of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

The following disclosure provides many different embodiments, or examples, for implementing different features of the application. To simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The application is described below with reference to specific embodiments in conjunction with the following drawings.

The embodiment of the application provides a stokehold tapping machine drilling rod positioning and guiding device and stokehold tapping machine, solves the technical problem that among the prior art, the drilling rod holding claw of the stokehold tapping machine is easy to suffer from high-temperature molten iron burning loss.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.

Referring to fig. 1 and 2, the embodiment provides a drill rod positioning and guiding device for a stokehold tapping machine, which is used for clamping, positioning and guiding a drill rod of the tapping machine, and ensuring the smoothness of the axial movement of the drill rod in rotation. The drill rod clamping device is matched with a tapping machine to work so as to clamp and guide the drill rod and ensure the rotation and axial reciprocating motion of the drill rod.

The tapping machine drilling rod positioning and guiding device in front of the furnace comprises: rocker arm 50, tie rod 40, base 30, alignment guide 20, and block of refractory material 23.

The rocker arm 50 is pivotally connected with first ends of the two pull rods 40, and second ends of the two pull rods 40 are respectively pivotally connected with the two bases 30; by clockwise and counter-clockwise rotation through the rocker arm, both of the bases 30 are pulled away from or closer together.

In this embodiment, the positioning and guiding sleeve 20 is provided to replace the existing claw holding structure, so as to implement the drill rod 10 of the positioning and guiding tapping machine.

The positioning and guiding sleeve 20 specifically includes: two cylindrical petals 22 which are buckled into a whole; the two refractory material blocks 23 are respectively fixed on the first axial end surfaces of the two cylindrical petals 22 and used for resisting impact and ablation of high-temperature molten iron, so that the reliability of the structure is ensured, and the service life of the structure is prolonged.

In order to facilitate the disassembly, assembly and replacement of the segment 22, a fixing groove 31 is formed in the base 30, a fixing lug 24 is formed in the segment 22, and the fixing lug 24 is embedded in the fixing groove 31 and fixed through a pin shaft 32; therefore, when the assembly is carried out, the positioning and locking can be carried out conveniently, and the disassembly and assembly efficiency is greatly improved.

In order to prevent the adhesion of the sputtered iron slag from affecting the assembly and disassembly of the cylindrical valve 22, the notch of the fixing groove 31 faces downwards, and the fixing lug 24 is inserted upwards.

In order to limit the posture of the valve 22 and avoid the rotation thereof, the fixed lug 24 is a non-rotary body; a lug structure with a limiting profile can be used. Thus, the fixed lug 24 may be a square block.

In order to avoid the guide way in the cylinder valve 22 to be locked with the drill rod under the adhesion of the iron slag, the square guide way 25 is formed on the inner side surface of the cylinder valve, enough space is reserved, and the iron slag can be scraped and rubbed.

In order to realize stable guiding and limiting, the square guide groove 25 is formed by two guide surfaces which are vertically arranged, the width of the two guide surfaces is consistent, so that a square channel is formed, and the four surfaces can contact with the limiting guide.

In order to increase the stability of the refractory castable, the block 23 comprises: a fixed frame and a refractory castable layer; the fixed frame is fixed at the end of the canister flap 22, and the refractory castable is cast and molded in the fixed frame.

Further, in order to improve the reliability of the positioning guide, in the present embodiment, the drill rod guide is divided into an installation stage and a working stage, and for this purpose, the guide groove inside the machine of the cartridge valve 22 is used as the positioning guide in the working state.

In order to implement positioning and guiding during installation, one holding claw 21 is respectively fixed on the second axial end surface of each of the two cylindrical petals 22, and the holding area of the holding claw 21 is coaxially arranged with the cylindrical cavity of the positioning and guiding sleeve 20, so that the consistency of axial guiding is ensured. The clasping claw 22 is fixed by a fastening bolt.

A stokehole tapping machine comprising: any one of the drill rod positioning and guiding device for the stokehole tapping machine.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In the description of the present invention, unless otherwise explicitly specified or limited, the recitation of a first feature "on" or "under" a second feature may include the recitation that the first and second features are in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. The utility model provides a stokehold tapping machine drilling rod location guider which characterized in that includes: the device comprises a rocker arm, a pull rod, a base, a positioning guide sleeve and a refractory material block;

the positioning guide sleeve comprises: two cylindrical petals which are integrally buckled;

2. The device as claimed in claim 1, wherein the base has a fixing groove, and the cylindrical segment has a fixing lug embedded in the fixing groove and fixed by a pin.

3. The apparatus of claim 2, wherein the fixed lug is a non-rotating block.

4. The drill rod positioning and guiding device for the stokehole tapping machine as claimed in claim 3, wherein the fixing lug is a square block.

5. The device of claim 1, wherein the inner side of the cylindrical valve is provided with a square guide groove.

6. The device as claimed in claim 5, wherein the square guide groove is formed by two guide surfaces vertically arranged and having the same width.

7. The front tapping machine drill rod positioning guide of claim 1, wherein the block of refractory material comprises: a fixed frame and a refractory castable layer;

8. The drill rod positioning and guiding device of the stokehole tapping machine as claimed in claim 1, wherein a holding claw is fixed to each of the second axial end faces of the two cylindrical flaps, and a holding area of the holding claw is coaxially arranged with a cylindrical cavity of the positioning and guiding sleeve.

9. The tapping machine drill rod positioning guide of claim 8, wherein the clasping jaws are fixed by fastening bolts.

10. A stokehole tapping machine, comprising: the drill rod positioning and guiding device of the stokehole tapping machine as claimed in any one of claims 1 to 9.