CN211036033U - Support arrangement for pressure vessel inner wall heater - Google Patents
Support arrangement for pressure vessel inner wall heater Download PDFInfo
- Publication number
- CN211036033U CN211036033U CN201920753311.3U CN201920753311U CN211036033U CN 211036033 U CN211036033 U CN 211036033U CN 201920753311 U CN201920753311 U CN 201920753311U CN 211036033 U CN211036033 U CN 211036033U
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- heater
- wall
- pressure vessel
- supporting device
- support rod
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Abstract
The utility model discloses a supporting device of a heater on the inner wall of a pressure vessel, which relates to the technical field of heat treatment after welding of the pressure vessel, and comprises a supporting frame, a center frame and adjusting rods, wherein the supporting frame comprises at least two circular arc-shaped expansion rings which are connected in sequence through springs to form a circular ring; when the supporting device is used for supporting the heater on the inner wall of the pressure container, the heater is laid on the outer side of the circular arc-shaped expanding ring, then the circular arc-shaped expanding ring is placed in the pressure container, and the circular arc-shaped expanding ring is outwards supported through the elasticity of the spring, so that the heater is firmly fixed on the inner wall of the pressure container.
Description
Technical Field
The utility model relates to a pressure vessel postweld heat treatment technical field especially relates to a strutting arrangement of pressure vessel barrel inner wall heater.
Background
The post-weld heat treatment is a key process in the manufacturing process of the pressure container, particularly the manufacturing of the pressure container made of heat-resistant steel, and the post-weld heat treatment operation is required after welding and is generally carried out in a point heating mode. The purpose is mainly to eliminate the residual stress of welding, refine crystal grains, improve the mechanical property of welding and prevent the generation of cracks. The post-welding heat treatment comprises integral heat treatment and local heat treatment, wherein the integral heat treatment is to place the whole workpiece in a heating furnace for integral heat treatment; the local heat treatment is to perform local heat treatment on a certain welding seam on the workpiece. The construction difficulty of local heat treatment is higher, the technical requirement is high, and particularly, the workpiece is required to be heated uniformly.
However, with the large-scale development of equipment manufacturing products, the wall thickness of the products is continuously increased, the local heat treatment of the shell of the pressure container needs to adopt a double-sided heating scheme to ensure the product quality and meet the process requirements, while the installation and fixation of the inner side heating tool at high temperature are always a bottleneck which troubles the heat treatment construction, in most of the existing methods, the heater is supported on the inner wall of the pressure container by adopting a support rod, the operation is not only poor in safety, but also the fixation of the heater is not firm; some of the devices adopt an expansion ring, the heater is arranged on the expansion ring, the heater is supported on the inner wall of the pressure container by using the tension of the expansion ring, and the tension of the expansion ring is reduced along with the increase of the use times.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a strutting arrangement of pressure vessel inner wall heater, this strutting arrangement is simple structure, convenient operation not only, can firmly support the heater at the pressure vessel inside wall moreover.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a strutting arrangement of pressure vessel inner wall heater which characterized in that: including support frame, centre frame and regulation pole, the support frame include two at least circular-arc bloated circles, circular-arc bloated circle between connect gradually through the spring and constitute the ring, the regulation pole setting be in the centre frame around and evenly distributed at the coplanar, the regulation pole other end with the support frame connect.
In the above technical solution, preferably, the adjusting rod includes a middle sleeve, a first stay bar and a second stay bar, one end of the first stay bar is fixed on the center frame, and the other end is in threaded connection with one end of the middle sleeve; one end of the second support rod is connected with the support frame, and the other end of the second support rod is in threaded connection with the other end of the middle sleeve.
In the above technical scheme, preferably, the second stay bar and the support frame are connected by a buffer spring, the inner side of the circular arc-shaped expansion ring is provided with a cylindrical protrusion a, one end of the buffer spring is fixedly sleeved on the cylindrical protrusion a, and the other end of the buffer spring is fixedly sleeved on the second stay bar.
In the above technical solution, preferably, two adjacent adjusting rods are perpendicular to each other.
Among the above-mentioned technical scheme, preferably, circular-arc expand ring both ends inboard sets up the flange along the diametric (al) of circular arc, be provided with on the flange with spring fixed connection's cylinder arch b.
In the above technical solution, preferably, the side surface of the middle sleeve is provided with a rotary insertion hole.
In the above technical solution, preferably, the center frame is screwed with a stay bar.
Compared with the prior art, the beneficial effects of the utility model are that: when the supporting device is used for supporting the heater on the inner wall of the pressure container, the heater is laid on the outer side of the circular arc-shaped expanding ring, then the circular arc-shaped expanding ring is placed in the pressure container, and then the circular arc-shaped expanding ring is outwards supported through the adjusting rod, so that the heater is firmly fixed on the inner wall of the pressure container, and the supporting device is simple in structure and convenient to operate.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic side view of the present invention.
The names of the parts corresponding to the respective reference numerals are: the device comprises a support frame 1, a center frame 2, an adjusting rod 3, an arc-shaped expanding ring 4, a spring 5, an intermediate sleeve 31, a first support rod 32, a second support rod 33, a buffer spring 6, a cylindrical protrusion a 41, a convex plate 42, a cylindrical protrusion b43, a rotary insertion hole 34, a support rod 7, a pressure container 8 and a heater 9.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-2, the utility model discloses a support arrangement for pressure vessel inner wall heater, including support frame 1, centre frame 2 and regulation pole 3, support frame 1 include four circular-arc expanding rings 4, circular-arc expanding rings 4 between connect gradually through spring 5 and constitute the ring, four regulation pole 3 set up and be in centre frame 2 around and evenly distributed at the coplanar, regulation pole 3 the other end with support frame 1 connect.
The adjusting rod 3 comprises a middle sleeve 31, a first stay bar 32 and a second stay bar 33, wherein one end of the first stay bar 32 is fixed on the center frame 2, and the other end is in threaded connection with the other end of the middle sleeve 31. Second vaulting pole 32 with support frame 1 between be provided with buffer spring 6 and connect, circular-arc expansion ring 4 inboard be provided with the protruding a 41 of cylinder, the fixed cover of 6 one end of buffer spring connect the protruding a 41 of cylinder on, the fixed cover of the other end connect second vaulting pole 32 on, adjacent two adjust pole 3 between mutually perpendicular, the inboard diameter direction along the circular arc in 4 both ends of circular-arc expansion ring be provided with flange 42, flange 42 on be provided with the protruding b43 of 5 fixed connection's of spring, the side of middle sleeve pipe 31 be equipped with rotation jack 34, centre frame 2 on threaded connection have vaulting pole 7.
Through the technical scheme, when the heater 9 is supported by the inner wall of the pressure container 8 by using the supporting device, the heater 9 is laid outside the circular arc-shaped expanding ring 4, then the circular arc-shaped expanding ring is placed in the pressure container 8, and then the circular arc-shaped expanding ring 4 is outwards supported by rotating the middle sleeve 31, so that the heater is firmly fixed on the inner wall of the pressure container 8.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a strutting arrangement of pressure vessel inner wall heater which characterized in that: including support frame, centre frame and regulation pole, the support frame include two at least circular-arc bloated circles, circular-arc bloated circle between connect gradually through the spring and constitute the ring, the regulation pole setting be in the centre frame around and evenly distributed at the coplanar, the regulation pole other end with the support frame connect.
2. The supporting device of the heater on the inner wall of the pressure vessel as claimed in claim 1, wherein: the adjusting rod comprises a middle sleeve, a first support rod and a second support rod, one end of the first support rod is fixed on the center frame, and the other end of the first support rod is in threaded connection with one end of the middle sleeve; one end of the second support rod is connected with the support frame, and the other end of the second support rod is in threaded connection with the other end of the middle sleeve.
3. The supporting device of the heater on the inner wall of the pressure vessel as claimed in claim 2, wherein: the second stay bar with the support frame between be equipped with buffer spring and be connected, circular-arc expanding ring inboard be provided with cylinder arch a, buffer spring one end fixed cup joint in cylinder arch a is last, the other end is fixed cup joint on the second stay bar.
4. The supporting device of the heater on the inner wall of the pressure vessel as claimed in claim 1, wherein: two adjacent adjusting rods are perpendicular to each other.
5. The supporting device of the heater on the inner wall of the pressure vessel as claimed in claim 1, wherein: the inner sides of the two ends of the circular arc-shaped expansion ring are provided with convex plates along the diameter direction of the circular arc, and the convex plates are provided with cylindrical protrusions b fixedly connected with the springs.
6. The supporting device of the heater on the inner wall of the pressure vessel as claimed in claim 2, wherein: the side of the middle sleeve is provided with a rotary jack.
7. The supporting device of the heater on the inner wall of the pressure vessel as claimed in claim 1, wherein: the center frame is in threaded connection with a support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753311.3U CN211036033U (en) | 2019-05-23 | 2019-05-23 | Support arrangement for pressure vessel inner wall heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753311.3U CN211036033U (en) | 2019-05-23 | 2019-05-23 | Support arrangement for pressure vessel inner wall heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211036033U true CN211036033U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920753311.3U Active CN211036033U (en) | 2019-05-23 | 2019-05-23 | Support arrangement for pressure vessel inner wall heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211036033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122692A (en) * | 2021-04-01 | 2021-07-16 | 苏州九源机械有限公司 | Heat treatment process for production of excavator caterpillar link |
-
2019
- 2019-05-23 CN CN201920753311.3U patent/CN211036033U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122692A (en) * | 2021-04-01 | 2021-07-16 | 苏州九源机械有限公司 | Heat treatment process for production of excavator caterpillar link |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315207 Jiaochuan Street Refining Road, Zhenhai District, Ningbo City, Zhejiang Province Patentee after: Zhenhai Petrochemical Construction and Installation Engineering Co.,Ltd. Address before: 315207 Jiaochuan Street Refining Road, Zhenhai District, Ningbo City, Zhejiang Province Patentee before: ZHENHAI PETROCHEMICAL JIANAN ENGINEERING Co.,Ltd. |