CN203855603U - Flue sliding support and flue sliding support group - Google Patents
Flue sliding support and flue sliding support group Download PDFInfo
- Publication number
- CN203855603U CN203855603U CN201420151915.8U CN201420151915U CN203855603U CN 203855603 U CN203855603 U CN 203855603U CN 201420151915 U CN201420151915 U CN 201420151915U CN 203855603 U CN203855603 U CN 203855603U
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- China
- Prior art keywords
- flue
- backup pad
- mandrel
- sliding support
- axis hole
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- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000013519 translation Methods 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Landscapes
- Chutes (AREA)
Abstract
The utility model discloses a flue sliding support and a flue sliding support group. The flue sliding support comprises an upper support plate, a support base and a spring group, wherein the upper support plate is fixedly connected with the outer wall of a flue and provided with a first axle hole; the support base is fixed on a civil platform and provided with a guide chute; the spring group is arranged between the upper support plate and the support base; the spring group comprises an upper sleeve, a guide slider, a lower sleeve and a central spindle; the upper sleeve is fixed on the upper support plate; the guide slider is arranged in the guide chute; the lower sleeve is fixed on the upper surface of the guide slider; the central spindle sequentially passes through the first axle hole, the upper sleeve, the lower sleeve and the guide slider; the upper end of the central spindle is fixedly connected with the upper support plate; the central spindle is sleeved with a support spring of which the upper end is connected with the upper sleeve and the lower end is connected with the lower sleeve. In the utility model, the flue sliding support not only can guarantee vertical displacement of the heated flue, but also can meet horizontal displacement of the heated flue so as to effectively avoid the problems that the heated pipe wall of the flue is strained by the upper support plate.
Description
Technical field
The utility model relates to a kind of sliding support, relates in particular to a kind of flue sliding support and flue sliding support group, belongs to dust removal installation technical field.
Background technology
In oxygen converter steelmaking process, produce a large amount of high-temperature flue gas, its major ingredient is carbon monoxide and iron oxide dust, the flue gas of these high temperature dusts outwards shoots out from fire door in converting process, and converter flue is that these high-temperature dust-containing flue gas are collected to one of the key equipment processed of lowering the temperature.Domestic conventional converter flue bracing or strutting arrangement generally comprises fixed support, spring abutment and spring hanging at present, through production practice for many years, finds that converter current flue spring abutment exists following shortcoming:
1. the spring abutment that most domestic steelwork converter flue is used at present is generally only considered vertical translation, ignores horizontal shift.
2. the steel mill having adopts ball dish spring abutment, but on-the-spot result of use is not fine, and safeguards that replacing is loaded down with trivial details, and facility investment is large.
3. in the use procedure of existing converter flue spring abutment, often there is the problem that back up pad is pulled the heat pipe tube wall of flue, bring many troubles to production and maintenance of the equipment.
Utility model content
In view of the above-mentioned problems in the prior art, technical problem to be solved in the utility model is to provide a kind of simple in structure, rationally distributed, vertical translation of producing after overcoming flue simultaneously and being heated and the flue sliding support of horizontal shift.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
Flue sliding support, comprising:
Upper backup pad, described upper backup pad is fixedly connected with the outer wall of flue, offers the first axis hole on described upper backup pad;
Base for supporting, described base for supporting has the top board that offers guide chute, described guide chute connects on the thickness direction of described top board, and described top board and described upper backup pad are oppositely arranged, and the lower end of described base for supporting is fixed on for setting up the civil engineering platform of flue; And
Be arranged at least one spring assembly between described upper backup pad and base for supporting;
Described spring assembly comprises:
Upper bush, described upper bush is fixed on the lower surface of described upper backup pad, and described upper bush is corresponding with the first axis hole of described upper backup pad;
Guide runner, described guide runner is arranged in described guide chute and can in described guide chute, moves horizontally, and offers second axis hole corresponding with described the first axis hole in described guide runner;
Lower sleeve, described lower sleeve is fixed on the upper surface of described guide runner; And
Mandrel, described mandrel is arranged in described the first axis hole, upper bush, lower sleeve and the second axis hole, the upper end of described mandrel is fixedly connected with described upper backup pad, on described mandrel, be arranged with that upper end is positioned at described upper bush and lower end is sheathed on the support spring outside described lower sleeve, during described flue expanded by heating, described mandrel moves under the drive of described upper backup pad and its lower end be positioned at all the time described the second axis hole below.
As preferably, described guide chute is microscler guide chute, and it is consistent that the length direction of described microscler guide chute moves horizontally direction during with described flue expanded by heating.
As preferably, described guide runner comprises discoidal collar and is connected to the guide cylinder on collar lower surface, the diameter of described collar is greater than the diameter of described guide cylinder, and described collar is positioned on the upper surface of described guide chute, and described guide cylinder is positioned at described guide chute.
As preferably, described mandrel is thin ends and thick middle multidiameter shaft, and the first axis hole of described upper backup pad is stretched out in the upper end of described mandrel, and the upper end of described mandrel is fixed on described upper backup pad by upper nut; The second axis hole of described guide runner is stretched out in the lower end of described mandrel, and the lower end of described mandrel is fixed by lower nut and described base for supporting.
As preferably, described spring assembly is two that are set up in parallel.
As preferably, described guide chute is up big and down small step type slot.
The utility model provides a kind of flue sliding support group simultaneously, it comprises two above-mentioned flue sliding supports, two described flue sliding supports are arranged on the Vierendeel girder of civil engineering platform, and two described flue sliding supports are the outside that 180 degree symmetries are positioned at described flue.
Compared with prior art, the beneficial effect of flue sliding support of the present utility model is:
1, the space of simple in structure, rationally distributed, safe and reliable, the compact construction of flue sliding support of the present utility model, the whole hold facility of saving, saves facility investment.
2, flue sliding support of the present utility model not only can guarantee the vertical translation after flue is heated, and can meet the horizontal shift after flue is heated, thereby can effectively avoid upper backup pad to pull the problem of the heat pipe tube wall of flue simultaneously.
3, flue sliding support of the present utility model all can be used on the equipment such as the converter flue of metallurgy industry, electric furnace flue, sintering flue, therefore, has prospect of the application widely.
Accompanying drawing explanation
Fig. 1 is the structural representation (partial cutaway) of flue sliding support of the present utility model.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Description of reference numerals
1-upper backup pad 2-base for supporting
3-guide chute 4-top board
5-upper bush 6-guide runner
7-lower sleeve 8-mandrel
9-support spring 10-collar
11-guide cylinder 12-upper nut
13-spring washer 14-lower nut
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
As depicted in figs. 1 and 2, the flue sliding support of embodiment of the present utility model, comprise: upper backup pad 1, base for supporting 2 and be arranged at upper backup pad 1 and base for supporting 2 between at least one spring assembly, when flue expanded by heating, described spring assembly and upper backup pad 1 can be done vertical translation and horizontal shift along with described flue.Upper backup pad 1 is fixedly connected with the outer wall of flue (not shown), and the lower end of base for supporting 2 is fixed on for setting up the Vierendeel girder of the civil engineering platform (not shown) of described flue.On upper backup pad 1, offer the first axis hole (not shown), base for supporting 2 has the top board 4 that offers guide chute 3, guide chute 3 connects on the thickness direction of top board 4, and guide chute 3 is corresponding with the first axis hole, namely the first axis hole be positioned at guide chute 3 directly over.Top board 4 is oppositely arranged with upper backup pad 1, and in the present embodiment, the plate face of top board 4 and upper backup pad 1 is parallel to each other and is parallel to horizontal direction.
Continuation is in conjunction with Fig. 1, and described spring assembly comprises upper bush 5, guide runner 6, lower sleeve 7 and mandrel 8.Upper bush 5 is fixed on the lower surface that upper backup pad 1 offers the first axis hole; Guide runner 6 is arranged in guide chute 3, and when flue expanded by heating, guide runner 6 can move horizontally in guide chute 3, namely between guide runner 6 and the both sides of guide chute 3, leaves certain gap that guide runner 6 is moved.In guide runner 6, offer second axis hole corresponding with described the first axis hole (not indicating in figure), the axis conllinear of the axis of the first axis hole and the second axis hole.Lower sleeve 7 is fixed on the upper surface of guide runner 6; Mandrel 8 is arranged in the first axis hole, upper bush 5, lower sleeve 7 and the second axis hole, and the upper end of mandrel 8 is fixedly connected with upper backup pad 1.On mandrel 8, be arranged with support spring 9, the upper end of support spring 9 is positioned at upper bush 5, and its lower end is set in outside lower sleeve 7.Namely the radial dimension of upper bush 5 is larger than the radial dimension of lower sleeve 7, the upper end of support spring 9 can be held within it.The setting of upper bush 5 and lower sleeve 7 is in order to lead or limited support spring 9, prevents that it from be damaged it radially moving.By mandrel 8, upper bush 5, support spring 9, lower sleeve 7 and guide runner 6 are connected between upper backup pad 1 and base for supporting 2.When flue expanded by heating, mandrel 8 moves under the drive of upper backup pad 1, but the lower end of mandrel 8 is positioned at the below of the second axis hole all the time.Namely the lower end of mandrel 8 should keep sufficiently long, and mandrel 8 can not depart from the second axis hole when meeting flue expanded by heating.
As depicted in figs. 1 and 2, the guide chute 3 in the present embodiment is microscler guide chute, the length direction of microscler guide chute during with flue expanded by heating to move horizontally direction consistent.Continue to see figures.1.and.2, guide runner 6 comprises discoidal collar 10 and is connected to the guide cylinder 11 on collar 10 lower surfaces, the diameter of collar 10 is greater than the diameter of guide cylinder 11, and collar 10 is positioned on the upper surface of guide chute 3, and guide cylinder 11 is positioned at guide chute 3.Namely the diameter of collar 10 is greater than the width of guide chute 3 and is less than its length, thereby collar 10 can be against on the upper surface of guide chute 3.And the diameter of guide cylinder 11 is all less than width and the length of guide chute 3.Thereby make the guide runner 6 can be in the interior occurred level displacement of guide chute 3.Guide chute 3 in the present embodiment is the chute of up big and down small ladder, and guide cylinder 11 is up big and down small reducing cylinder.Certainly, guide chute 3 can be also straight trough, and the width of straight trough should be able to meet moving horizontally of guide runner 6.
Continuation is in conjunction with Fig. 1, and the mandrel 8 in the present embodiment is thin ends and thick middle multidiameter shaft, and the first axis hole of upper backup pad 1 is stretched out in the upper end of mandrel 8, and the upper end of mandrel 8 is fixed on upper backup pad 1 by upper nut 12 and spring washer 13; The second axis hole of guide runner 6 is stretched out in the lower end of mandrel 8, and the lower end of mandrel 8 is fixing with base for supporting 2 by lower nut 14.Upper bush 5 achieves a fixed connection by welding with upper backup pad 1 in the present embodiment, and lower sleeve 7 also achieves a fixed connection by welding with guide runner 6.
The magnitude setting of described spring assembly is definite according to the weight that will carry, and the spring assembly in the present embodiment is two that are set up in parallel.Can certainly be for more, when being a plurality of, a plurality of spring assembly are the parallel connection shown in Fig. 1 (or side by side) state setting between upper backup pad 1 and base for supporting 2.When flue sliding support of the present utility model is installed, if under the certain prerequisite of the size of the length direction of spring assembly, should need according to civil engineering platform and flue distance different of point of suppon, the whole height of corresponding adjustment base for supporting 2.If civil engineering platform and point of suppon are far away, should increase the height of base for supporting 2, otherwise, the height of corresponding reduction base for supporting 2.If certainly change the needs that the size of the length direction of spring assembly also can corresponding satisfied use.
Flue sliding support of the present utility model is mainly used on oblique flue, tiltedly after flue expanded by heating, there is horizontal shift and vertical translation simultaneously, now, because the vertical translation of flue will move on drive upper backup pad 1, upper backup pad 1 is by upper nut 12, spring washer 13, mandrel 8 drives support spring 9, lower sleeve 7, guide runner 6 is together with flue displacement, because base for supporting 2 is arranged on transfixion on civil engineering beam, therefore guide runner 6 with its upper surface after expansion of flue with guide chute 3 upper surfaces disengagings and in the interior horizontal shift of guide chute 3, when such design can overcome air flue horizontal displacement in the past, upper backup pad 1 is often pulled the problem of flue heat pipe tube wall.In addition, due to upper nut 12 and lower nut 14 actings in conjunction, can make mandrel 8 be fixed on upper backup pad 1 and base for supporting 2, and can not move.Even if flue is subject to thermal contraction, due to the fastening effect of lower nut 14, mandrel 8 can not move yet.After flue sliding support of the present utility model complete installation, mandrel 8 bottoms need be connected to lower nuts 14 and lay down, so that the lower end of mandrel 8 can be movable, can free-extension to guarantee that flue is heated rear support spring 9, the vertical translation after meeting flue and being heated.
Flue sliding support of the present utility model utilizes the support spring 9 can be at flue vertical direction free-extension, thereby the vertical translation after meeting air flue equipment and being heated, and horizontal shift after utilizing relative movement between guide runner 6 and guide chute 3 to overcome air flue equipment to be heated.Therefore, flue sliding support of the present utility model not only can guarantee the vertical translation after converter flue is heated, and can meet the horizontal shift after converter flue is heated simultaneously.
Flue sliding support of the present utility model all can be used on the equipment such as the converter flue of metallurgy industry, electric furnace flue, sintering flue, has prospect of the application widely.
The utility model provides a kind of flue sliding support group simultaneously, and it comprises two above-mentioned flue sliding supports, and two flue sliding supports are arranged on the Vierendeel girder of civil engineering platform, and two flue sliding supports are the outside that 180 degree symmetries are positioned at flue.The flue sliding support group of this structure formation not only can guarantee the vertical translation after flue is heated, and also can meet the horizontal shift after flue is heated simultaneously.This flue sliding support group can avoid upper backup pad to pull the problem of flue heat pipe tube wall after implementing effectively.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.
Claims (7)
1. flue sliding support, is characterized in that, comprising:
Upper backup pad, described upper backup pad is fixedly connected with the outer wall of flue, offers the first axis hole on described upper backup pad;
Base for supporting, described base for supporting has the top board that offers guide chute, described guide chute connects on the thickness direction of described top board, and described top board and described upper backup pad are oppositely arranged, and the lower end of described base for supporting is fixed on for setting up the civil engineering platform of flue; And
Be arranged at least one spring assembly between described upper backup pad and base for supporting;
Described spring assembly comprises:
Upper bush, described upper bush is fixed on the lower surface of described upper backup pad, and described upper bush is corresponding with the first axis hole of described upper backup pad;
Guide runner, described guide runner is arranged in described guide chute and can in described guide chute, moves horizontally, and offers second axis hole corresponding with described the first axis hole in described guide runner;
Lower sleeve, described lower sleeve is fixed on the upper surface of described guide runner; And
Mandrel, described mandrel is arranged in described the first axis hole, upper bush, lower sleeve and the second axis hole, the upper end of described mandrel is fixedly connected with described upper backup pad, on described mandrel, be arranged with that upper end is positioned at described upper bush and lower end is sheathed on the support spring outside described lower sleeve, during described flue expanded by heating, described mandrel moves under the drive of described upper backup pad and its lower end be positioned at all the time described the second axis hole below.
2. flue sliding support according to claim 1, is characterized in that, described guide chute is microscler guide chute, and it is consistent that the length direction of described microscler guide chute moves horizontally direction during with described flue expanded by heating.
3. flue sliding support according to claim 2, it is characterized in that, described guide runner comprises discoidal collar and is connected to the guide cylinder on collar lower surface, the diameter of described collar is greater than the diameter of described guide cylinder, described collar is positioned on the upper surface of described guide chute, and described guide cylinder is positioned at described guide chute.
4. flue sliding support according to claim 1, it is characterized in that, described mandrel is thin ends and thick middle multidiameter shaft, and the first axis hole of described upper backup pad is stretched out in the upper end of described mandrel, and the upper end of described mandrel is fixed on described upper backup pad by upper nut; The second axis hole of described guide runner is stretched out in the lower end of described mandrel, and the lower end of described mandrel is fixed by lower nut and described base for supporting.
5. flue sliding support according to claim 1, is characterized in that, described spring assembly is two that are set up in parallel.
6. flue sliding support according to claim 1, is characterized in that, described guide chute is up big and down small step type slot.
7. flue sliding support group, it is characterized in that, comprise two flue sliding supports described in any one in claim 1 to 6, two described flue sliding supports are arranged on the Vierendeel girder of civil engineering platform, and two described flue sliding supports are the outside that 180 degree symmetries are positioned at described flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151915.8U CN203855603U (en) | 2014-03-31 | 2014-03-31 | Flue sliding support and flue sliding support group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151915.8U CN203855603U (en) | 2014-03-31 | 2014-03-31 | Flue sliding support and flue sliding support group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203855603U true CN203855603U (en) | 2014-10-01 |
Family
ID=51605470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151915.8U Expired - Lifetime CN203855603U (en) | 2014-03-31 | 2014-03-31 | Flue sliding support and flue sliding support group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203855603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946847A (en) * | 2014-03-31 | 2015-09-30 | 北京明诚技术开发有限公司 | Flue sliding support and flue sliding support set |
| CN106328230A (en) * | 2016-10-09 | 2017-01-11 | 中国核动力研究设计院 | Guide post for reactor core instrument capable of compensating thermal expansion difference in reactor |
-
2014
- 2014-03-31 CN CN201420151915.8U patent/CN203855603U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946847A (en) * | 2014-03-31 | 2015-09-30 | 北京明诚技术开发有限公司 | Flue sliding support and flue sliding support set |
| CN106328230A (en) * | 2016-10-09 | 2017-01-11 | 中国核动力研究设计院 | Guide post for reactor core instrument capable of compensating thermal expansion difference in reactor |
| CN106328230B (en) * | 2016-10-09 | 2018-01-30 | 中国核动力研究设计院 | A kind of in-pile instrument lead that can compensate for reactor thermal expansion difference |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |