CN210215446U - Furnace roller structure - Google Patents
Furnace roller structure Download PDFInfo
- Publication number
- CN210215446U CN210215446U CN201921085696.7U CN201921085696U CN210215446U CN 210215446 U CN210215446 U CN 210215446U CN 201921085696 U CN201921085696 U CN 201921085696U CN 210215446 U CN210215446 U CN 210215446U
- Authority
- CN
- China
- Prior art keywords
- roller body
- stepped
- stepped shaft
- detachable positioning
- roller
- 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.)
- Expired - Fee Related
Links
- 238000005507 spraying Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000003466 welding Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Landscapes
- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model discloses a stove roller structure, include: a roller body, both ends of which are provided with a step groove; one ends of the two stepped shafts are inserted into the stepped grooves and are symmetrically connected to the roller body; the two detachable positioning pieces are respectively connected to the stepped shaft, arranged in the stepped groove and used for being connected with the roller body; at least two gaskets respectively connected between the detachable positioning part and the roller body and between the roller body and the stepped shaft; the dismounting opening is used for inserting a bolt, abutting against the roller body and dismounting the stepped shaft, the detachable positioning piece and the gasket; the disassembly port comprises a first through hole arranged on the detachable positioning piece and a threaded through hole arranged on the stepped shaft; the technical problems that cracks can appear on welding seams, the roller body is deformed, and the whole replacement is needed are solved.
Description
Technical Field
The utility model relates to a technical field that industrial furnace used, specific stove roller structure that says so.
Background
In a metallurgical industrial furnace, after a metal steel plate is rolled, the metal steel plate needs to be conveyed in a continuous annealing furnace by adopting furnace rollers, the furnace rollers are important parts in the annealing furnace, and the furnace rollers generally need to continuously rotate for a long time at the temperature of about 800 ℃, so the furnace rollers need to have the requirements of oxidation resistance, high temperature resistance and high temperature deformation resistance; the furnace roller generally comprises two stepped shafts and a roller body connected between the stepped shafts; the end parts of the stepped shafts are respectively inserted into the roller bodies and welded with the roller bodies; in specific use, the discovery still exists following not enough at least, because the temperature is higher, and sometimes the temperature can change moreover for welding seam between stepped shaft and the roll body can the crackle, and the roll body produces and warp, has caused the unable normal use of stove roller, because be the welding, generally all needs the whole change, and the cost of change is higher relatively.
Disclosure of Invention
To the above-mentioned weak point that exists among the correlation technique, the utility model aims at providing a stove roller structure to the welding seam of solving among the correlation technique can the crackle appear, causes the roll body to produce and warp, needs the technical problem of whole change.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a furnace roller structure is characterized by comprising:
a roller body, both ends of which are provided with a step groove;
one ends of the two stepped shafts are inserted into the stepped grooves and are symmetrically connected to the roller body;
the two detachable positioning pieces are respectively connected to the stepped shaft, arranged in the stepped groove and used for being connected with the roller body;
at least two gaskets respectively connected between the detachable positioning part and the roller body and between the roller body and the stepped shaft;
the dismounting opening is used for inserting a bolt, abutting against the roller body and dismounting the stepped shaft, the detachable positioning piece and the gasket; the disassembly port comprises a first through hole arranged on the detachable positioning piece and a threaded through hole arranged on the stepped shaft.
Further: the detachable positioning piece is of a circular ring-shaped structure, an inner hole is sleeved on the stepped shaft and connected with the stepped shaft through a hexagon socket head cap screw, and a large outer circle is matched with the roller body and connected with the roller body through the hexagon socket head cap screw.
Further: the gasket is of a circular ring structure, and the thickness of the gasket is 0.5 mm.
Further: and the outer circle of the roller body is also provided with a spraying layer.
The utility model has the advantages that: a furnace roller structure is provided with a detachable positioning part and a detachable opening compared with the prior art, a roller body and a stepped shaft are connected and positioned through the detachable positioning part, the connection reliability between the roller body and the stepped shaft is better, when the furnace roller structure is detached, a bolt is inserted through the detachable opening and abuts against the roller body, so that the stepped shaft, the detachable positioning part and a gasket are ejected out of the roller body, the installation and the replacement are very convenient, only a damaged part needs to be replaced when the furnace roller structure is replaced, the replacement cost is relatively low, and the gasket is arranged, so that the sealing performance between the detachable positioning part and the roller body and the stepped shaft can be ensured, and the reliability of the; thereby overcome the welding seam and can appear the crackle, caused the roll body to produce and warp, the technical problem that needs whole change has reached and has prevented that the roll body from producing and warping, and the installation is dismantled conveniently, changes the relatively lower technological effect of cost, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention;
fig. 3 is a partially enlarged schematic view of a portion B in fig. 1 according to the present invention;
fig. 4 is a schematic structural view of a roller body according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention;
in the figure: 10. the roller comprises a roller body, 11 steps, a groove, 20 steps, a stepped shaft, 30 detachable positioning parts, 40 gaskets, 50 detachable openings, 51 first through holes, 52 threaded through holes and 60 spraying layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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;
the utility model relates to a furnace roller structure, which solves the technical problems that the welding seam in the related technology can have cracks, the roller body is deformed and needs to be integrally replaced; the roller can be manufactured and used, and the positive effects that the roller body is prevented from deforming, the mounting and the dismounting are convenient, and the replacement cost is relatively low can be achieved; the general idea is as follows:
the first embodiment is as follows:
see fig. 1, 2, 3, 4; a furnace roller structure comprising:
a roller body 10 having a stepped groove 11 at both ends;
one ends of the two stepped shafts 20 are inserted into the stepped grooves 11 and are symmetrically connected to the roller body 10;
two detachable positioning pieces 30 respectively connected to the stepped shaft 20 and disposed in the stepped groove 11 for connecting with the roller body 10;
two gaskets 40 respectively connected between the detachable positioning member 30, the roller body 10 and the stepped shaft 20;
and a detaching opening 50 for inserting a bolt against the roll body 10 to detach the stepped shaft 20, the detachable positioning member 30 and the spacer 40; the detaching port 50 includes a first through hole 51 provided on the detachable positioning member 30, and a threaded through hole 52 provided on the stepped shaft 20;
specifically, during implementation, the detachable positioning part 30 and the detachable opening 50 are arranged, the roller body 10 and the stepped shaft 20 are connected and positioned through the detachable positioning part 30, so that the connection reliability between the roller body 10 and the stepped shaft 20 is good, during detachment, a bolt is inserted through a first through hole 51 on the detachable opening 50 to pierce the gasket 40, and after the bolt is in threaded connection with a threaded through hole 52, the bolt slowly rotates to abut against the roller body 10, so that the stepped shaft 20, the detachable positioning part 30 and the gasket 40 are ejected out of the roller body 10, the installation and replacement are convenient, only a damaged part needs to be replaced during replacement, the replacement cost is relatively low, and the gasket 40 is arranged, so that the sealing performance between the detachable positioning part 30 and the roller body 10 and the stepped shaft 20 can be ensured, and the structural reliability is improved; therefore, the technical problems that the roller body 10 is deformed due to cracks in welding seams and needs to be integrally replaced are solved, and the technical effects that the roller body 10 is prevented from being deformed, the installation and the disassembly are convenient, and the replacement cost is relatively low are achieved;
the following is a detailed description of the respective constituent elements and the connection relationship:
specifically, in fig. 1 and 4, the roller body 10 and the stepped shaft 20 are both of a structure in the prior art, and are machined from a forged blank, and the end of the stepped shaft 20 is tightly fitted with the stepped groove 11 according to normal tolerance;
specifically, in fig. 1, the detachable positioning member 30 is a circular ring structure, an inner hole is sleeved on the stepped shaft 20 and connected with the stepped shaft 20 through a hexagon socket head cap screw, and a large outer circle is matched with the roller body 10 and connected with the roller body 10 through the hexagon socket head cap screw; in practice, the detachable positioning member 30 is machined from a plate material; the inner hole is tightly matched with the stepped shaft 20 according to normal tolerance, and the large outer circle is tightly matched with the stepped groove 11 according to normal tolerance, so that the detachable positioning piece 30, the roller body 10 and the stepped shaft 20 can be reliably connected, the coaxiality is ensured, the installation and the disassembly are very convenient, when the local damage is caused, for example, the roller body 10 is worn, only the roller body 10 needs to be replaced, and the replacement cost is reduced;
specifically, in fig. 1, 2, and 3, the gasket 40 is a stainless steel gasket with a circular ring structure, and has a thickness of 0.5mm, so that the sealing performance between the detachable positioning member 30 and the roller body 10 and the stepped shaft 20 is ensured, foreign matter is prevented from entering the roller body 10, and the reliability of the structure is improved;
specifically, in fig. 1, the detaching port 50 includes a first through hole 51 provided on the detachable positioning member 30, and a threaded through hole 52 provided on the stepped shaft 20; during implementation, a bolt with a tip at the end is inserted through the first through hole 51, the gasket 40 is pierced (the reason is that the gasket 40 is pierced, during installation, only a through hole which is matched with the detachable positioning part 30 and is convenient for an inner hexagon bolt to penetrate is reserved in the gasket 40, the gasket 40 is integrated, the sealing performance between the detachable positioning part 30 and the roller body 10 and the stepped shaft 20 is ensured, and foreign matters are prevented from entering the threaded through hole 52);
specifically, when the assembling is carried out, the detachable positioning member 30 and the spacer 40 are connected to the stepped shaft 20 by the hexagon socket head cap screw; then, an inner hexagon bolt is inserted between the whole body and the roller body 10 for connection and positioning;
example two:
see FIG. 5; on the basis of the first embodiment, a spraying layer 60 is further arranged on the outer circle of the roller body 10; the spraying layer 60 is made of a chromium oxide-based ceramic composite material, the plasma spraying technology is utilized, the spraying layer 60 is formed on the outer circle of the roller body 10, the thickness of the spraying layer 60 is 250 micrometers, the oxidation resistance, the corrosion resistance and the abrasion resistance of the roller body 10 are improved, and the service life of the roller body 10 is prolonged;
the utility model discloses a theory of operation: during the implementation, be provided with detachable positioning element 30 and dismantle mouthful 50, connect the location with roll body 10 and step shaft 20 through detachable positioning element 30, the connection reliability between roll body 10 and the step shaft 20 is better, during the dismantlement, insert the bolt through the first through-hole 51 on the detachable mouthful 50, pierce through gasket 40, the bolt is with the back of screw thread through-hole 52 threaded connection, slowly rotate, support and lean on roll body 10, make step shaft 20, detachable positioning element 30 and gasket 40 are ejecting in by roll body 10, it is very convenient to install and change, during the change, only need change the damage position, the cost of change is relatively low, and through being provided with gasket 40, can guarantee detachable positioning element 30, and the leakproofness between roll body 10 and the step shaft 20, the reliability of structure is improved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the positional relationships illustrated in the drawings, and are only for convenience of describing the present invention or simplifying the description, but do not indicate specific orientations that must be provided; the operation processes described in the embodiments are not absolute use steps, and may be adjusted accordingly when actually used.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs; the use of "first," "second," and the like in the description and in the claims is not intended to identify any order, quantity, or importance, but rather is used to distinguish one element from another, and similarly, the use of "a" or "an" and the like do not necessarily indicate a limitation of quantity, but rather indicate the presence of at least one, depending on the context of the embodiment.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A furnace roller structure, comprising:
a roller body (10) with a step groove (11) at both ends;
one ends of the two stepped shafts (20) are inserted into the stepped grooves (11) and are symmetrically connected to the roller body (10);
two detachable positioning pieces (30) which are respectively connected to the stepped shaft (20), arranged in the stepped groove (11) and used for being connected with the roller body (10);
at least two gaskets (40) respectively connected between the detachable positioning part (30) and the roller body (10) and the stepped shaft (20);
and at least one removal opening (50) for inserting a bolt, abutting against the roller body (10), removing the stepped shaft (20), the removable positioning element (30) and the shim (40); the disassembly port (50) comprises a first through hole (51) provided on the detachable positioning member (30), and a threaded through hole (52) provided on the stepped shaft (20).
2. The furnace roller structure according to claim 1, wherein: the detachable positioning piece (30) is of a circular ring-shaped structure, an inner hole is sleeved on the stepped shaft (20), the stepped shaft (20) is connected with the inner hexagonal bolt in a penetrating mode, the large outer circle is matched with the roller body (10), and the roller body (10) is connected with the inner hexagonal bolt in a penetrating mode.
3. The furnace roller structure according to claim 1, wherein: the gasket (40) is of a circular ring structure, and the thickness of the gasket is 0.5 mm.
4. The furnace roller structure according to claim 1, wherein: the outer circle of the roller body (10) is also provided with a spraying layer (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085696.7U CN210215446U (en) | 2019-07-12 | 2019-07-12 | Furnace roller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085696.7U CN210215446U (en) | 2019-07-12 | 2019-07-12 | Furnace roller structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210215446U true CN210215446U (en) | 2020-03-31 |
Family
ID=69937185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921085696.7U Expired - Fee Related CN210215446U (en) | 2019-07-12 | 2019-07-12 | Furnace roller structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210215446U (en) |
-
2019
- 2019-07-12 CN CN201921085696.7U patent/CN210215446U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210215446U (en) | Furnace roller structure | |
| CN209414421U (en) | It is a kind of to repair the nonstandard bearing used for wind turbine gearbox | |
| CN210830172U (en) | Detachable pillar connecting structure for pillar welding holder | |
| CN104500583A (en) | Bearing locating sleeve | |
| CN217482492U (en) | Dustproof plug screw of oiling | |
| CN104816582A (en) | Wheel quick-changing module | |
| CN202732690U (en) | Backing bearing | |
| CN110395882B (en) | Edge-drawing shaft assembly and edge-drawing machine | |
| CN202482457U (en) | Auxiliary device for high pressure turbine journal inner diameter narrow side chromium plating | |
| CN113510438B (en) | Supporting roll repairing process | |
| CN112756397B (en) | Universal type steel rolling mill shaft-embedded roller | |
| CN209687565U (en) | A kind of automobile direct fuel-injection engine valve retainer | |
| CN219632213U (en) | Roller end shaft sleeve | |
| CN212502542U (en) | Surfacing composite conveying roller | |
| CN211872030U (en) | Converter ball pivot strutting arrangement | |
| CN218905229U (en) | Tool for disassembling expansion sleeve of KYF50 flotation machine | |
| CN218089786U (en) | Vacuum guide roll and vacuum coating equipment | |
| CN201874987U (en) | Bearing | |
| CN212055496U (en) | Roller bearing | |
| CN102852985A (en) | Novel bearing locating sleeve | |
| CN215543735U (en) | Hot-rolled strip steel slitting unit slitting machine inlet centering roller | |
| CN218310012U (en) | Centering device for bar mill roller | |
| CN212377521U (en) | Improved rotary joint of roller slag cooler | |
| CN211820391U (en) | Thrust roller bearing | |
| CN113337703B (en) | Carbon sleeve roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |