CN206553565U - Disassembly mechanism for tuyere small sleeve - Google Patents

Abstract

The utility model discloses a kind of disassembly mechanism for tuyere small sleeve, including push rod device, it is installed on the cylinder on push rod device head, is embedded in cylinder and relative to its telescopic multiple hook pawl, and connection hooks the elastic component of pawl and cylinder, wherein, each hook pawl one elastic component of setting, hooks the overhead kick that pawl one end is provided with the angular shape for being used to catch on tuyere small sleeve, when hooking outside pawl stretching cylinder, tuyere small sleeve is caught in the overhead kick for hooking pawl, and cylinder is hinged by hinge with cylinder.The utility model proposes the disassembly mechanism for tuyere small sleeve, its is simple and reliable for structure and easy to use.

Description

Disassembly mechanism for tuyere small sleeve

Technical field

The utility model is related to technical field of metallurgical equipment, more particularly to a kind of disassembly mechanism for tuyere small sleeve.

Background technology

Blast furnace need to blow about 1100 DEG C of hot blast by multiple air ports in smelting process to blast furnace.Air port part In near in stove tuyere small sleeve be very easy to scaling loss, need to often change, especially in the later stage in furnace life, change it is very frequent.

Blast furnace is of different sizes according to heat size, containing several to tens air ports, therefore the air port that blast furnace staying need to be changed every time Small set quantity is more, and workload is big；Tuyere small sleeve is interference fitted, to reach sealed effect, again by extruding with tuyere medium sleeve Due to the effect of high temperature thermal stress, pulled down in the extremely difficult therefrom set of tuyere small sleeve, work difficulty is big, and time-consuming.Therefore, a kind of letter is designed Just, reliable dismounting tuyere small sleeve mechanism, to reducing the blast furnace staying time, improves its productivity ratio very meaningful.

Utility model content

Main purpose of the present utility model, which is to provide, a kind of simple and reliable for structure and easy to use is used for tuyere small sleeve Disassembly mechanism.

To achieve the above object, a kind of disassembly mechanism for tuyere small sleeve of the utility model offer, including push rod device, It is installed on the cylinder on the push rod device head, is embedded in the cylinder and relative to its telescopic multiple hook pawls, Yi Jilian The elastic component of the hook pawl and cylinder is connect, wherein,

Each hook pawl sets an elastic component, and described hook pawl one end is provided with the angular shape for catching on tuyere small sleeve Overhead kick, when the hook pawl is stretched out outside cylinder, tuyere small sleeve is caught in the overhead kick for hooking pawl, and the cylinder is cut with scissors by hinge and cylinder Connect.

Preferably, the elastic component is spring, and the two ends of spring are fixedly connected with cylinder and hook pawl respectively, and the hook pawl is leaned on One end of short round spring is cylindrical structural to insert in the endoporus of spring.

Preferably, the side of the hook pawl away from push rod device is provided with and is used to facilitate cylinder to stretch into tuyere small sleeve cone-shaped inner hole Guiding surface.

Preferably, the push rod device includes connecting rod and the handle with being fixed on the connecting rod afterbody, the cylinder and company The head of bar is hinged.

Preferably, open up fluted on the cylinder, the hook claw portion is contained in the groove.

Preferably, circular hole is provided with the groove, one end of the spring is contained in the circular hole, the other end of spring On the cylindrical structural for being placed on the hook pawl.

The utility model proposes the disassembly mechanism for tuyere small sleeve, by setting multiple hook pawls, therefore wind is taken in hook More preferably, hook takes to be also easier to stress during mouth small set.In addition, by the continuous action of elastic component, during handle is pulled, it is ensured that Multiple hook pawls stretch out maximum length all the time, will not break off relations.Meanwhile, tuyere small sleeve surface is embedded in by the barb for hooking pawl, it is ensured that jail Admittedly catch on tuyere small sleeve.In addition, this be used for tuyere small sleeve disassembly mechanism its is simple in construction, easy realization and it is easy to use can Lean on, to reducing the blast furnace staying time, improve its productivity ratio very meaningful.

Brief description of the drawings

Fig. 1 is the structural representation for the disassembly mechanism preferred embodiment that the utility model is used for tuyere small sleeve；

Fig. 2 is the details mplifying structure schematic diagram at the A shown in Fig. 1；

Fig. 3 is the partial structural diagram for the disassembly mechanism middle cylinder body that the utility model is used for tuyere small sleeve；

Fig. 4 is cross section structure diagram of the cylinder shown in Fig. 3 in B-B directions.

Piece number in figure：1- cylinders, 2- hook pawl, 3- springs, 4- grooves, 5- connecting rods, 6- handles, 7- tuyere small sleeves, 8- Tuyere medium sleeve, 9- guiding surfaces.

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model Utility model.

It should be noted that in description of the present utility model, term " transverse direction ", " longitudinal direction ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on Orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplify description, are not to indicate or dark Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right Limitation of the present utility model.

Referring to Figures 1 and 2, in this preferred embodiment, a kind of disassembly mechanism for tuyere small sleeve, including push rod device, The cylinder 1 on push rod device head is installed on, is embedded in cylinder 1 and relative to its telescopic multiple hook pawl 2（At least provided with two It is individual）, and the elastic component for hooking pawl 2 and cylinder 1 is connected, wherein,

Each hook pawl 2 sets an elastic component, hooks the overhead kick that the one end of pawl 2 is provided with the angular shape for being used to catch on tuyere small sleeve 7, When the hook stretching cylinder 1 of pawl 2 is outer, tuyere small sleeve 7 is caught in the overhead kick for hooking pawl 2, and cylinder 1 is hinged by hinge with cylinder 1.

Specifically, in the present embodiment, elastic component is spring 3, and the two ends of spring 3 are fixed and connected with cylinder 1 and hook pawl 2 respectively Connect, hook pawl 2 close to one end of spring 3 is cylindrical structural to insert in the endoporus of spring 3.Cylindrical structural is set, so that right Stretching into for spring 3 play the guiding role.

Further, hooking side of the pawl 2 away from push rod device and being provided with is used to facilitate cylinder 1 to stretch into the taper of tuyere small sleeve 7 The guiding surface 9 in hole, so as to facilitate cylinder 1 to stretch into the cone-shaped inner hole of tuyere small sleeve 7.

Specifically, push rod device includes connecting rod 5 and the handle 6 with being fixed on the afterbody of connecting rod 5, cylinder 1 and connecting rod 5 Head is hinged.Fluted 4 are opened up on reference picture 3 and Fig. 4, cylinder 1, pawl 2 is hooked and is partially accommodated in groove 4.Provided with circle in groove 4 Hole, one end of spring 3 is contained in circular hole, and the other end of spring 3 is placed on the cylindrical structural for hooking pawl 2.

In the bottom hole of groove 4 and spring 3 is installed.Pawl 2 is hooked to stretch out or retract in groove 4.In the presence of spring 3, Hook the auto-extending maximum length of pawl 2.When dismantling tuyere small sleeve 7, cylinder 1 is first stretched into the cone-shaped inner hole of tuyere small sleeve 7, then Handle 6 is pushed forward, and under spring force, hook pawl 2 is close to cone-shaped inner hole surface and moved ahead.Small set endoporus is passed through when hooking pawl 2 When, hook the auto-extending maximum length of pawl 2.Handle 6 backward again, you can firmly catch on tuyere small sleeve 7.Handle 6 is persistently pulled, directly To pulling down tuyere small sleeve 7.

The disassembly mechanism for tuyere small sleeve that the present embodiment is proposed, by setting multiple hook pawls 2, therefore takes air port in hook More preferably, hook takes to be also easier to stress during small set 7.In addition, by the continuous action of elastic component, during handle 6 is pulled, it is ensured that Multiple hook pawls 2 stretch out maximum length all the time, will not break off relations.Meanwhile, the surface of tuyere small sleeve 7 is embedded in by the barb for hooking pawl 2, it is ensured that Firmly catch on tuyere small sleeve 7.In addition, this is used for its simple in construction, the easy realization of the disassembly mechanism of tuyere small sleeve 7 and easy to use Reliably, to reducing the blast furnace staying time, its productivity ratio is improved very meaningful.It is embedded in cylinder 1, therefore, makes whole because hooking pawl 2 Mechanism is compacter, so as to the tuyere small sleeve 7 suitable for smaller endoporus.

Preferred embodiment of the present utility model is these are only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations Technical field, is similarly included in scope of patent protection of the present utility model.

Claims (6)

1. a kind of disassembly mechanism for tuyere small sleeve, it is characterised in that including push rod device, be installed on the push rod device head The cylinder in portion, it is embedded in the cylinder and relative to its telescopic multiple hook pawl, and the connection bullet for hooking pawl and cylinder Property part, wherein,

Each hook pawl sets an elastic component, and described hook pawl one end is provided with falling for the angular shape for catching on tuyere small sleeve Hook, when the hook pawl is stretched out outside cylinder, tuyere small sleeve is caught in the overhead kick for hooking pawl, and the cylinder is hinged by hinge with cylinder.

2. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 1, it is characterised in that the elastic component is spring, bullet The two ends of spring are fixedly connected with cylinder and hook pawl respectively, described to hook pawl close to one end of spring is cylindrical structural to insert spring Endoporus in.

3. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 1, it is characterised in that the hook pawl is away from push rod device Side be provided with and be used to facilitate cylinder to stretch into the guiding surface of tuyere small sleeve cone-shaped inner hole.

4. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 1, it is characterised in that the push rod device includes connecting rod And with being fixed on the handle of the connecting rod afterbody, the head of the cylinder and connecting rod is hinged.

5. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 2, it is characterised in that offered on the cylinder recessed Groove, the hook claw portion is contained in the groove.

6. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 5, it is characterised in that circular hole is provided with the groove, One end of the spring is contained in the circular hole, and the other end of spring is placed on the cylindrical structural of the hook pawl.