CN109517940A - Trunnion of converter and the bonded connection device of gear wheel and tangential keys method for dismounting - Google Patents

Trunnion of converter and the bonded connection device of gear wheel and tangential keys method for dismounting Download PDF

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Publication number
CN109517940A
CN109517940A CN201910077183.XA CN201910077183A CN109517940A CN 109517940 A CN109517940 A CN 109517940A CN 201910077183 A CN201910077183 A CN 201910077183A CN 109517940 A CN109517940 A CN 109517940A
Authority
CN
China
Prior art keywords
tangential
keys
tangential keys
trunnion
converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910077183.XA
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Chinese (zh)
Inventor
杜守虎
林增钦
孙光泽
朱超
王子颖
赵甲斌
包伟
单士宾
王景志
王晔霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laiwu Iron and Steel Group Co Ltd
Original Assignee
Laiwu Iron and Steel Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Laiwu Iron and Steel Group Co Ltd filed Critical Laiwu Iron and Steel Group Co Ltd
Priority to CN201910077183.XA priority Critical patent/CN109517940A/en
Publication of CN109517940A publication Critical patent/CN109517940A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

This application discloses a kind of trunnion of converters and the bonded connection device of gear wheel and tangential keys method for dismounting, the first tangential keyway is offered on trunnion of converter, the second tangential keyway is offered on gear wheel, first tangential keyway and the second tangential keyway are correspondingly arranged, first tangential key length is greater than the second tangential key length, first tangential keys are arranged in the first tangential keyway, and the second tangential keys are arranged in the second tangential keyway;One end of trunnion of converter is arranged in locating piece, and locating piece is in contact with the big end of the first tangential keys, and combined type positioning sleeve is respectively with trunnion of converter and tangential keys to being flexibly connected.Since the first tangential key length of tangential keys centering is greater than the second tangential keys; when needing to remove the tangential keys clock synchronization; it only needs to remove combined type positioning sleeve and locating piece; then it is hit using weight so that first tangential keys and second tangential keys loosen; it can be taken off the first tangential keys and the second tangential keys; without destroying to gear wheel, gear wheel is protected.

Description

Trunnion of converter and the bonded connection device of gear wheel and tangential keys method for dismounting
Technical field
This application involves converter installation technical fields, and in particular to a kind of trunnion of converter and the bonded connection device of gear wheel and cuts To key method for dismounting.
Background technique
Converter is that furnace body can be rotated, the metallurgical furnace for blow steel or the sulfonium that blows.Converter body is made of steel plate, is in cylinder Shape, inner lining refractory heat when blowing by chemical reaction heat, are not required to external heat source, are most important steelmaking equipment.Converter Body is made of furnace shell and furnace lining.Furnace shell is welded by steel plate, and furnace lining is made of working lining, permanent layer and filling layer three parts.
Converter gear wheel is the important device of converter transmission, be usually located at trunnion of converter and speed reducer driving shaft it Between, it is mainly responsible for speed reducer torque drive, and bof converter trunnion and gear wheel generally use tangential keys to coupling.
But in process of production tangential keys to occur loosen situation be difficult to check, while during replacing gear wheel because Tangential keys need to remove gear wheel destructiveness to being difficult to remove, and gear wheel causes higher cost, and destructiveness removes and causes resource Waste.
Summary of the invention
In order to solve the above-mentioned technical problem the application, proposes following technical solution:
In a first aspect, the embodiment of the present application provides a kind of trunnion of converter and the bonded connection device of gear wheel, comprising: tangential keys To, locating piece and combined type positioning sleeve, in which: offer the first tangential keyway on trunnion of converter, offer second on gear wheel Tangential keyway, first tangential keyway and second tangential keyway are correspondingly arranged, and the tangential keys are to tangential including first Key and the second tangential keys, first tangential keys and second tangential keys are the wedge block with constant slope, and described One tangential key length is greater than the described second tangential key length, and first tangential keys are arranged in first tangential keyway Interior, second tangential keys are arranged in second tangential keyway, and first tangential keys and second tangential keys The corresponding fitting in inclined-plane;One end of the trunnion of converter, and the locating piece and first tangential keys are arranged in the locating piece Big end be in contact, the combined type positioning sleeve is respectively with the trunnion of converter and the tangential keys to being flexibly connected, described group Box-like positioning sleeve is used for the locating piece and the tangential keys to positioning is fixed.
Needs are worked as since the first tangential key length of tangential keys centering is greater than the second tangential keys using above-mentioned implementation Remove the tangential keys clock synchronization, it is only necessary to combined type positioning sleeve and locating piece be removed, then hit using weight so that described First tangential keys and second tangential keys loosen, that is, can be taken off the first tangential keys and the second tangential keys, without to big Gear is destroyed, and gear wheel is protected.
With reference to first aspect, in a first possible implementation of that first aspect, the described first tangential key length ratio The second tangential key length grows 70-80mm.
The first possible implementation with reference to first aspect, in a second possible implementation of that first aspect, institute It states combined type positioning sleeve and is provided with internal screw thread, the trunnion of converter and the tangential keys to being above provided with and the internal screw thread phase The external screw thread matched, the combined type positioning sleeve and the trunnion of converter and the tangential keys are to threaded connection.
Second of possible implementation with reference to first aspect, in first aspect in the third possible implementation, when The tangential keys clock synchronization, the combined type positioning sleeve and the trunnion of converter and the tangential keys are removed to disengaging.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect, also Including percussion hammer, after the percussion hammer is used to remove the locating piece, the tangential keys pair are hit, so that first tangential keys It is loosened with second tangential keys.
4th kind of possible implementation with reference to first aspect, in the 5th kind of possible implementation of first aspect, when After first tangential keys and second tangential keys loosen, a jack is arranged in the locating piece position, the jack Fixing end is fixed at the locating piece position, and the telescopic end of the jack connects with the small end of second tangential keys Touching, for ejecting second tangential keys between the trunnion of converter and the gear wheel.
5th kind of possible implementation with reference to first aspect, in the 6th kind of possible implementation of first aspect, also Including chain block, the chain block is used to remove the tangential keys to lifting.
6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation of first aspect, when The tangential keys clock synchronization is removed, lifting lug, the chain block and institute are set on first tangential keys and second tangential keys State lifting lug flexible connection.
Second aspect, the embodiment of the present application provide a kind of tangential keys method for dismounting, which comprises by trunnion of converter It is removed with the combined type positioning sleeve in the bonded connection device of gear wheel;Locating piece is removed, one is placed in the locating piece position and protects Protecting block, so that the protection block is in contact with the first tangential keys;The protection block is hit using weight, so that described first cuts It is loosened to key and the second tangential keys;The protection block is removed, jack is set in the protection block position, so that described very heavy The telescopic end on top is in contact with the small end of second tangential keys, controls the jack and ejects second tangential keys;? Lifting lug is installed on first tangential keys and second tangential keys, using bottle gouard moved by hands successively by second tangential keys and institute The first tangential keys are stated successively to remove.
Detailed description of the invention
Fig. 1 is a kind of trunnion of converter provided by the embodiments of the present application and gear wheel key connecting apparatus structure schematic diagram;
Fig. 2 is a kind of structural schematic diagram of tangential keys pair provided by the embodiments of the present application;
Fig. 3 is a kind of tangential keys method for dismounting flow diagram provided by the embodiments of the present application;
In Fig. 1-Fig. 3, symbol is expressed as:
1- tangential keys pair, 2- locating piece, 3- combined type positioning sleeve, the first tangential keys of 4-, the second tangential keys of 5-.
Specific embodiment
This programme is illustrated with specific embodiment with reference to the accompanying drawing.
Fig. 1 is a kind of trunnion of converter provided by the embodiments of the present application and gear wheel key connecting apparatus structure schematic diagram, referring to Fig. 1, the trunnion of converter and the bonded connection device of gear wheel, comprising: tangential keys are to 1, locating piece 2 and combined type positioning sleeve 3.
The first tangential keyway is offered on trunnion of converter, the second tangential keyway is offered on gear wheel, and described first is tangential Keyway and second tangential keyway are correspondingly arranged.Referring to fig. 2, the tangential keys include that the first tangential keys 4 and second are tangential to 1 Key 5, first tangential keys 4 and second tangential keys 5 are the wedge block with constant slope, first tangential keys 4 Length be greater than second tangential keys 5 length.In the present embodiment, the length of first tangential keys 4 is cut than described second 70-80mm is grown to the length of key 5.
First tangential keys 4 are arranged in first tangential keyway, and second tangential keys 5 are arranged described second In tangential keyway, and the corresponding fitting in the inclined-plane of first tangential keys 4 and second tangential keys 5.
One end of the trunnion of converter, and the locating piece 2 and first tangential keys 4 are arranged in the locating piece 2 Big end is in contact, and the combined type positioning sleeve 3 is flexibly connected with the trunnion of converter and the tangential keys to 1 respectively, and described group Box-like positioning sleeve 3 is used to the locating piece 2 and the tangential keys positioning is fixed to 1.Specifically, the combined type positioning Set 3 is provided with internal screw thread, the trunnion of converter and the tangential keys to being provided with outer spiral shell matched with the internal thread on 1 Line, the combined type positioning sleeve 3 are threadedly coupled with the trunnion of converter and the tangential keys to 1.
The bonded connection device of trunnion of converter and gear wheel provided by the embodiments of the present application, when removing the tangential keys to 1, institute Combined type positioning sleeve 3 and the trunnion of converter and the tangential keys are stated to be detached to 1.It further include percussion hammer, the percussion hammer is used for institute After stating the removal of locating piece 2, the tangential keys are hit to 1, so that first tangential keys 4 and second tangential keys 5 loosen.
After first tangential keys 4 and second tangential keys 5 loosen, a jack is arranged in 2 position of locating piece, The fixing end of the jack is fixed at 2 position of locating piece, and the telescopic end of the jack is tangential with described second The small end of key 5 is in contact, for ejecting second tangential keys 5 between the trunnion of converter and the gear wheel.
It further include a chain block, the chain block is used to remove the tangential keys to 1 lifting.It cuts described in the dismounting When to key to 1, lifting lug is set, the chain block and the lifting lug are living on first tangential keys 4 and second tangential keys 5 Dynamic connection.
Gear wheel and trunnion of converter are joined using trunnion of converter provided in this embodiment and gear wheel bonded connection device When connecing fixed, the first tangential keys 4 are installed in place first, and the locating piece 2 is installed in the big end of the first tangential keys.Installation After, the second tangential keys 5 matched with the first tangential keys 4 are installed in place.Tangential keys are installed in place to 1 using percussion hammer, Then 1 and locating piece 2 is fixed in tangential keys to installation combined type positioning sleeve 3.In the present embodiment, to combined type positioning sleeve 3 End positioning sleeve be designed, for tangential keys to 1 and 2 position of locating piece install a dismountable gland, usually detachably Gland observes tangential keys and whether there is the problems such as loosening, during protective demolition gear wheel, page combined type easy to dismantle to 1 Positioning sleeve 3.
As can be seen from the above embodiments, a kind of trunnion of converter and the bonded connection device of gear wheel are present embodiments provided, comprising: cut To key to 1, locating piece 2 and combined type positioning sleeve 3, in which: offer the first tangential keyway on trunnion of converter, opened up on gear wheel There is the second tangential keyway, first tangential keyway and second tangential keyway are correspondingly arranged, and the tangential keys include the to 1 One tangential keys 4 and the second tangential keys 5, first tangential keys 4 and second tangential keys 5 are the wedge shape with constant slope Block, the length of first tangential keys 4 are greater than the length of second tangential keys 5, and the setting of the first tangential keys 4 is described the In one tangential keyway, second tangential keys 5 are arranged in second tangential keyway, and first tangential keys 4 and described The corresponding fitting in the inclined-plane of second tangential keys 5;The locating piece 2 is arranged in one end of the trunnion of converter, and the locating piece 2 with The big end of first tangential keys 4 is in contact, the combined type positioning sleeve 3 respectively with the trunnion of converter and the tangential keys pair 1 is flexibly connected, and the combined type positioning sleeve 3 is used to the locating piece 2 and the tangential keys positioning is fixed to 1.Due to Tangential keys are greater than the second tangential keys 5 to 4 length of the first tangential keys in 1, when needing to remove the tangential keys to 1, it is only necessary to Combined type positioning sleeve 3 and locating piece 2 are removed, then hit using weight so that first tangential keys 4 and described second are cut It is loosened to key 5, that is, can be taken off the first tangential keys 4 and the second tangential keys 5 are protected without destroying to gear wheel Gear wheel.
A kind of tangential keys method for dismounting is provided for protective demolition gear wheel process in the embodiment of the present application, referring to figure 3, which comprises
S101 removes the combined type positioning sleeve in trunnion of converter and the bonded connection device of gear wheel.
S102 removes locating piece, a protection block is placed in the locating piece position, so that the protection block is cut with first It is in contact to key.
S103 hits the protection block using weight, so that first tangential keys and the second tangential keys loosen.
S104 removes the protection block, and jack is arranged in the protection block position, so that the jack is flexible End is in contact with second tangential keys, controls the jack and ejects second tangential keys.
S105 installs lifting lug on first tangential keys and second tangential keys, using bottle gouard moved by hands successively by institute It states the second tangential keys and first tangential keys is successively removed.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.
Certainly, above description is also not limited to the example above, technical characteristic of the application without description can by or It is realized using the prior art, details are not described herein;The technical solution that above embodiments and attached drawing are merely to illustrate the application is not It is the limitation to the application, Tathagata substitutes, and the application is described in detail only in conjunction with and referring to preferred embodiment, ability Domain it is to be appreciated by one skilled in the art that those skilled in the art were made in the essential scope of the application Variations, modifications, additions or substitutions also should belong to claims hereof protection scope without departure from the objective of the application.

Claims (9)

1. a kind of trunnion of converter and the bonded connection device of gear wheel characterized by comprising tangential keys to (1), locating piece (2) and Combined type positioning sleeve (3), in which:
The first tangential keyway is offered on trunnion of converter, and the second tangential keyway, first tangential keyway are offered on gear wheel It is correspondingly arranged with second tangential keyway, the tangential keys include the first tangential keys (4) and the second tangential keys (5), institute to (1) Stating the first tangential keys (4) and second tangential keys (5) is the wedge block with constant slope, first tangential keys (4) Length be greater than the length of second tangential keys (5), first tangential keys (4) are arranged in first tangential keyway, Second tangential keys (5) are arranged in second tangential keyway, and first tangential keys (4) and second tangential keys (5) the corresponding fitting in inclined-plane;
One end of the trunnion of converter, and the locating piece (2) and first tangential keys (4) is arranged in the locating piece (2) Big end be in contact, the combined type positioning sleeve (3) is respectively flexibly connected (1) with the trunnion of converter and the tangential keys, The combined type positioning sleeve (3) is used to the locating piece (2) and the tangential keys positioning is fixed to (1).
2. trunnion of converter according to claim 1 and the bonded connection device of gear wheel, which is characterized in that first tangential keys (4) length grows 70-80mm than the length of second tangential keys (5).
3. trunnion of converter according to claim 2 and the bonded connection device of gear wheel, which is characterized in that the combined type positioning It is matched with the internal thread outer to being provided on (1) that set (3) is provided with internal screw thread, the trunnion of converter and the tangential keys Screw thread, the combined type positioning sleeve (3) are threadedly coupled (1) with the trunnion of converter and the tangential keys.
4. trunnion of converter according to claim 3 and the bonded connection device of gear wheel, which is characterized in that described tangential when removing When key is to (1), the combined type positioning sleeve (3) and the trunnion of converter and the tangential keys are detached from (1).
5. trunnion of converter according to claim 4 and the bonded connection device of gear wheel, which is characterized in that it further include percussion hammer, institute Percussion hammer is stated for the tangential keys will to be hit to (1) after the locating piece (2) remove so that first tangential keys (4) and Second tangential keys (5) loosen.
6. trunnion of converter according to claim 5 and the bonded connection device of gear wheel, which is characterized in that when described first tangential After key (4) and second tangential keys (5) loosen, a jack, the fixation of the jack is arranged in locating piece (2) position End is fixed at the locating piece (2) position, and the telescopic end of the jack connects with the small end of second tangential keys (5) Touching, for ejecting second tangential keys (5) between the trunnion of converter and the gear wheel.
7. trunnion of converter according to claim 6 and the bonded connection device of gear wheel, which is characterized in that further include pulling calabash Reed, the chain block are used to lift the tangential keys to (1) and remove.
8. trunnion of converter according to claim 7 and the bonded connection device of gear wheel, which is characterized in that described tangential when removing When key is to (1), lifting lug is set on first tangential keys (4) and second tangential keys (5), the chain block is hung with described Ear is flexibly connected.
9. a kind of tangential keys method for dismounting, which is characterized in that the described method includes:
Combined type positioning sleeve in trunnion of converter and the bonded connection device of gear wheel is removed;
Locating piece is removed, a protection block is placed in the locating piece position, so that the protection block connects with the first tangential keys Touching;
The protection block is hit using weight, so that first tangential keys and the second tangential keys loosen;
The protection block is removed, the protection block position be arranged jack so that the telescopic end of the jack with it is described Second tangential keys are in contact, and control the jack and eject second tangential keys;
Lifting lug is installed on first tangential keys and second tangential keys, it is successively tangential by described second using bottle gouard moved by hands Key and first tangential keys are successively removed.
CN201910077183.XA 2019-01-28 2019-01-28 Trunnion of converter and the bonded connection device of gear wheel and tangential keys method for dismounting Pending CN109517940A (en)

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Application Number Priority Date Filing Date Title
CN201910077183.XA CN109517940A (en) 2019-01-28 2019-01-28 Trunnion of converter and the bonded connection device of gear wheel and tangential keys method for dismounting

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Publication number Priority date Publication date Assignee Title
CN110747311A (en) * 2019-11-22 2020-02-04 中国十七冶集团有限公司 Jacking and dismantling method for carbon steel converter tangential key

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CN107419054A (en) * 2017-08-10 2017-12-01 中国十七冶集团有限公司 A kind of installation method of ultra-large type converter tangential keys
CN209481712U (en) * 2019-01-28 2019-10-11 莱芜钢铁集团有限公司 A kind of trunnion of converter and the bonded connection device of gear wheel

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CN105779686A (en) * 2016-05-19 2016-07-20 攀钢集团工程技术有限公司 Tangential key dismounting device and method for tilting large gear of converter
CN107419054A (en) * 2017-08-10 2017-12-01 中国十七冶集团有限公司 A kind of installation method of ultra-large type converter tangential keys
CN209481712U (en) * 2019-01-28 2019-10-11 莱芜钢铁集团有限公司 A kind of trunnion of converter and the bonded connection device of gear wheel

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Publication number Priority date Publication date Assignee Title
CN110747311A (en) * 2019-11-22 2020-02-04 中国十七冶集团有限公司 Jacking and dismantling method for carbon steel converter tangential key
CN110747311B (en) * 2019-11-22 2023-05-12 中国十七冶集团有限公司 Jacking dismantling method for tangential keys of carbon steel converter

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