CN211394545U - Heat treatment heater for small and medium-diameter special-shaped pipe fittings - Google Patents
Heat treatment heater for small and medium-diameter special-shaped pipe fittings Download PDFInfo
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- CN211394545U CN211394545U CN201922114639.3U CN201922114639U CN211394545U CN 211394545 U CN211394545 U CN 211394545U CN 201922114639 U CN201922114639 U CN 201922114639U CN 211394545 U CN211394545 U CN 211394545U
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Abstract
The utility model discloses a well small diameter dysmorphism pipe fitting heat treatment heater, include winding crawler-type ceramic heating portion in the straight tube part of dysmorphism pipe fitting, and at the winding rope form ceramic heating portion of the reducing pipe part of dysmorphism pipe fitting, crawler-type ceramic heating portion and the straight tube part fixed connection of dysmorphism pipe fitting, rope form ceramic heating portion and the reducing pipe part fixed connection of dysmorphism pipe fitting, crawler-type ceramic heating portion's one end and the one end fixed connection of rope form ceramic heating portion. The utility model provides an exclusive use crawler-type ceramic heater or exclusive use rope form ceramic heater or both use in combination, can not satisfy the problem of the thermal treatment requirement of well minor diameter dysmorphism pipe fitting all.
Description
Technical Field
The utility model relates to a pipe fitting heat treatment device, in particular to a heat treatment heater for medium and small-diameter special-shaped pipe fittings.
Background
After the pipe fitting welding is finished, local heating treatment needs to be carried out on the welding seam, and the heaters which are frequently used at present comprise a crawler-type ceramic heater and a rope-shaped ceramic heater. However, when the local heat treatment is performed on the middle-small diameter special pipe fitting (for example, a middle-small diameter special pipe fitting composed of a reducing pipe and a straight pipe), the heat treatment requirements cannot be met by using the crawler-type ceramic heater alone or the rope-shaped ceramic heater alone or the combination of the crawler-type ceramic heater and the rope-shaped ceramic heater.
The crawler-type ceramic heater is independently used for carrying out local heating treatment on the special-shaped pipe fitting, and the following problems exist: 1) the crawler-type ceramic heater can be partially overlapped, the folded part has overhigh temperature when the crawler-type ceramic heater works, and the overhigh temperature easily causes the situation that the resistance wire of the crawler-type ceramic heater is burnt off; 2) the special-shaped pipe fitting can not be tightly attached to a partial area of the crawler-type ceramic heater, when the crawler-type ceramic heater works, the situation that the temperature of the part, which is tightly attached to the crawler-type ceramic heater, of the special-shaped pipe fitting is inconsistent with that of the part, which is not tightly attached to the crawler-type ceramic heater, of the special-shaped pipe fitting occurs, and the integral temperature control difficulty of the special-shaped pipe fitting.
The single use of the rope-shaped ceramic heater for carrying out the local heating treatment on the special-shaped pipe fitting has the following problems: 1) the winding operation difficulty is high; 2) the cooperation of a plurality of people is needed, and the time consumption is long; 3) is easy to fall off.
The crawler-type ceramic heater and the rope-shaped ceramic heater are combined to be used for locally heating the special-shaped pipe fitting, and the following problems exist: due to the limitation of the specifications of the two heaters, when the two heaters are combined for use, a large enough heating area is required, so that only the large-neck special-shaped pipe fitting can be subjected to local heat treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a heat treatment heater for special-shaped pipes with small and medium diameters, a crawler-type ceramic heating part is wound on the straight pipe part, and a rope-shaped ceramic heating part is wound on the reducing pipe part, so that the heater is prevented from being overlapped, and the special-shaped pipes cannot be tightly attached to partial areas of the heater; when the utility model is wound with the special-shaped pipe fitting, the crawler-type ceramic heating part is wound firstly, the crawler-type ceramic heating part is fixedly connected with the straight pipe part of the special-shaped pipe fitting, and then the rope-shaped ceramic heating part is wound; when processing, can be with the utility model discloses process into the size that does not need great heated area to can carry out local heat treatment to well path dysmorphism pipe fitting.
In order to realize the purpose, the utility model discloses a technical scheme is:
a heat treatment heater for a middle-small-diameter special-shaped pipe fitting comprises a crawler-type ceramic heating part wound on a straight pipe part of the special-shaped pipe fitting and a rope-shaped ceramic heating part wound on a reducing pipe part of the special-shaped pipe fitting, wherein the crawler-type ceramic heating part is fixedly connected with the straight pipe part of the special-shaped pipe fitting, the rope-shaped ceramic heating part is fixedly connected with the reducing pipe part of the special-shaped pipe fitting, and one end of the crawler-type ceramic heating part is fixedly connected with one end of the rope-shaped ceramic heating part.
Preferably, the resistance wire of the crawler-type ceramic heating part is connected in series with the resistance wire of the rope-shaped ceramic heating part.
Preferably, the crawler-type ceramic heating part and the rope-shaped ceramic heating part are respectively provided with a power supply leading-out terminal, and the crawler-type ceramic heating part and the rope-shaped ceramic heating part are supplied with power in a unified manner.
Preferably, the crawler-type ceramic heating part and the rope-shaped ceramic heating part are respectively provided with an independent resistance wire.
Preferably, the crawler-type ceramic heating part and the rope-shaped ceramic heating part are respectively provided with a pair of power supply terminals, and the crawler-type ceramic heating part and the rope-shaped ceramic heating part are respectively supplied with power.
Preferably, one end of the straight pipe portion and the small diameter end of the reduced diameter pipe portion are welded and fixed.
The utility model has the advantages that:
1) the crawler-type ceramic heating part is wound on the straight pipe part, and the rope-shaped ceramic heating part is wound on the reducing pipe part, so that the heater is prevented from being overlapped, and partial areas of the heater cannot be tightly attached to the special-shaped pipe fitting; when the utility model is wound with the special-shaped pipe fitting, the crawler-type ceramic heating part is wound firstly, the crawler-type ceramic heating part is fixedly connected with the straight pipe part of the special-shaped pipe fitting, and then the rope-shaped ceramic heating part is wound; when processing, can be with the utility model discloses process into the size that does not need great heated area to can carry out local heat treatment to well path dysmorphism pipe fitting.
2) The resistance wire of crawler-type ceramic heating portion and the resistance wire of rope form ceramic heating portion establish ties mutually for crawler-type ceramic heating portion's resistance wire and rope form ceramic heating portion's resistance wire can supply power in unison.
3) The crawler-type ceramic heating portion and the rope-shaped ceramic heating portion supply power in a unified mode, the thermal power of the crawler-type ceramic heating portion resistance wire and the thermal power of the rope-shaped ceramic heating portion resistance wire can be the same, and therefore the special-shaped pipe fitting is heated evenly.
Drawings
FIG. 1 is a schematic view of an embodiment of a heat treatment heater for medium and small diameter special-shaped pipe fittings of the present invention assembled with the medium and small diameter special-shaped pipe fittings;
FIG. 2 is a schematic structural diagram of a small-and-medium-diameter special-shaped pipe fitting.
In the figure: 1. the special-shaped pipe fittings with medium and small diameters; 11. a straight tube portion; 12. a reduced pipe section; 2. a crawler-type ceramic heating part; 3. a string-shaped ceramic heating section; 4. and a power supply leading-out terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-2, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides a heat treatment heater for a medium and small diameter special-shaped pipe fitting 1.
The utility model provides a medium and small diameter dysmorphism pipe fitting thermal treatment heater, includes the crawler-type ceramic heating portion 2 of winding on the straight tube part 11 of dysmorphism pipe fitting 1, and the rope form ceramic heating portion 3 of winding at the reducing pipe part 12 of dysmorphism pipe fitting 1, crawler-type ceramic heating portion 2 and the straight tube part 11 fixed connection of dysmorphism pipe fitting 1, rope form ceramic heating portion 3 and the reducing pipe part 12 fixed connection of dysmorphism pipe fitting 1, the one end of crawler-type ceramic heating portion 2 and the one end fixed connection of rope form ceramic heating portion 3.
According to the technical scheme, the crawler-type ceramic heating part 2 is wound on the straight pipe part 11, the rope-shaped ceramic heating part 3 is wound on the reducing pipe part 12, and therefore the situation that the heater is overlapped and a part of the area of the heater cannot be tightly attached to the special-shaped pipe fitting 1 is avoided; when the utility model is wound with the special-shaped pipe fitting 1, the crawler-type ceramic heating part 2 is wound firstly, the crawler-type ceramic heating part 2 is fixedly connected with the straight pipe part 11 of the special-shaped pipe fitting 1, and then the rope-shaped ceramic heating part 3 is wound, because one end of the crawler-type ceramic heating part 2 is fixedly connected with one end of the rope-shaped ceramic heating part 3, when the rope-shaped ceramic heating part 3 is wound, the winding difficulty of the rope-shaped ceramic heating part 3 is greatly reduced, the cooperation of a plurality of people is not needed, the time consumption is short, and the rope-shaped ceramic heating part is not; when processing, can be with the utility model discloses process into the size that does not need great heated area to can carry out local heat treatment to well path dysmorphism pipe fitting 1.
Preferably, the resistance wire of the crawler-type ceramic heating part 2 is connected in series with the resistance wire (not shown) of the rope-shaped ceramic heating part 3. The resistance wire of crawler-type ceramic heating portion 2 and the resistance wire of rope form ceramic heating portion 3 establish ties mutually for crawler-type ceramic heating portion 2's resistance wire and rope form ceramic heating portion 3's resistance wire can supply power in unison.
Preferably, the crawler-type ceramic heating part 2 and the rope-shaped ceramic heating part 3 are respectively provided with a power supply leading-out terminal 4, and the crawler-type ceramic heating part 2 and the rope-shaped ceramic heating part 3 are supplied with power in a unified manner. The crawler-type ceramic heating part 2 and the rope-shaped ceramic heating part 3 are uniformly powered, so that the thermal power of the resistance wire of the crawler-type ceramic heating part 2 is the same as that of the resistance wire of the rope-shaped ceramic heating part 3, and the whole special-shaped pipe fitting 1 is uniformly heated.
Preferably, the crawler-type ceramic heating portion 2 and the rope-shaped ceramic heating portion 3 have independent resistance wires (not shown), respectively.
Preferably, the crawler-type ceramic heating unit 2 and the rope-shaped ceramic heating unit 3 are provided with a pair of power terminals 4, respectively, and the crawler-type ceramic heating unit 2 and the rope-shaped ceramic heating unit 3 are supplied with power, respectively.
Preferably, the tube blank 1 comprises a straight tube portion 11 and a reduced-diameter tube portion 12, and one end of the straight tube portion 11 and the small-diameter end of the reduced-diameter tube portion 12 are welded and fixed.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The heat treatment heater for the middle and small-diameter special-shaped pipe fittings is characterized by comprising a crawler-type ceramic heating part wound on a straight pipe part of the special-shaped pipe fitting and a rope-shaped ceramic heating part wound on a reducing pipe part of the special-shaped pipe fitting, wherein the crawler-type ceramic heating part is fixedly connected with the straight pipe part of the special-shaped pipe fitting, the rope-shaped ceramic heating part is fixedly connected with the reducing pipe part of the special-shaped pipe fitting, and one end of the crawler-type ceramic heating part is fixedly connected with one end of the rope-shaped ceramic heating part.
2. The heat treatment heater for the small and medium-diameter special-shaped pipe fittings as claimed in claim 1, wherein the resistance wire of the crawler-type ceramic heating part is connected in series with the resistance wire of the rope-shaped ceramic heating part.
3. The heat treatment heater for the small and medium-diameter special-shaped pipe fittings as claimed in claim 2, wherein the crawler-type ceramic heating part and the rope-shaped ceramic heating part are respectively provided with a power supply outlet, and the crawler-type ceramic heating part and the rope-shaped ceramic heating part are supplied with power in a unified manner.
4. The heat treatment heater for the small and medium-diameter special-shaped pipe fittings as claimed in claim 1, wherein the crawler-type ceramic heating part and the rope-shaped ceramic heating part are respectively provided with an independent resistance wire.
5. The heat treatment heater for the small and medium-diameter special-shaped pipe fittings as claimed in claim 4, wherein a pair of power supply terminals are respectively arranged on the crawler-type ceramic heating part and the rope-shaped ceramic heating part, and power is respectively supplied to the crawler-type ceramic heating part and the rope-shaped ceramic heating part.
6. The heat treatment heater for the small and medium-diameter special-shaped pipe fittings as claimed in any one of claims 1 to 5, wherein one end of the straight pipe part and the small-diameter end of the small-diameter pipe part are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114639.3U CN211394545U (en) | 2019-11-28 | 2019-11-28 | Heat treatment heater for small and medium-diameter special-shaped pipe fittings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114639.3U CN211394545U (en) | 2019-11-28 | 2019-11-28 | Heat treatment heater for small and medium-diameter special-shaped pipe fittings |
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| CN211394545U true CN211394545U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922114639.3U Active CN211394545U (en) | 2019-11-28 | 2019-11-28 | Heat treatment heater for small and medium-diameter special-shaped pipe fittings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699519A (en) * | 2019-11-28 | 2020-01-17 | 中国电建集团山东电力建设第一工程有限公司 | Heat treatment heater for small and medium-diameter special-shaped pipe fittings |
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2019
- 2019-11-28 CN CN201922114639.3U patent/CN211394545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699519A (en) * | 2019-11-28 | 2020-01-17 | 中国电建集团山东电力建设第一工程有限公司 | Heat treatment heater for small and medium-diameter special-shaped pipe fittings |
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