CN215666694U - Overturning tool for core body of spiral plate heat exchanger - Google Patents
Overturning tool for core body of spiral plate heat exchanger Download PDFInfo
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- CN215666694U CN215666694U CN202121449071.1U CN202121449071U CN215666694U CN 215666694 U CN215666694 U CN 215666694U CN 202121449071 U CN202121449071 U CN 202121449071U CN 215666694 U CN215666694 U CN 215666694U
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Abstract
The utility model provides an upset frock of spiral plate heat exchanger core which characterized in that includes: the lifting device comprises a base (1), two cover plates (2) and two lifting lugs (4), wherein a supporting lug seat (11) is arranged on the base (1); the two cover plates (2) are oppositely arranged and connected through the connecting piece (3), a space for the spiral plate heat exchanger core body (9) to be restricted is formed between the two cover plates (2), and the opposite inner plate surfaces (2a) of the two cover plates (2) are abutting surfaces for abutting against the axial end of the spiral plate heat exchanger core body (9); two lifting lugs (4) are respectively arranged on the outer sides of the two cover plates (2), the first lifting lug is rotatably connected with the supporting lug seat (11), and the second lifting lug is a free end for hoisting. Compared with the prior art, the core upset of being convenient for of this application, and can reduce the spiral plate in the core and produce the axial displacement risk at the upset in-process.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a turning tool for a core body of a spiral plate heat exchanger.
Background
The special heat transfer device is a spiral plate heat exchanger with a core structure as shown in fig. 1, wherein a long plate is rolled around a central pipe to form a spiral channel. In the manufacturing process of the spiral plate heat exchanger core, the plate material is folded around one side of the central tube, after the plate material is rolled into a cylinder in the circumferential direction, two sides of a spiral channel formed by the plate material need to be turned into a horizontal position for secondary folding and sealing welding, and the core body needs to be turned over more than four times repeatedly from the beginning of rolling to the last pressure test in the manufacturing process.
In the prior art, the core is bound by lifting ropes for overturning, specifically, as shown in fig. 2 and 3, two lifting ropes 100 'are used for binding the core 9', the two lifting ropes 100 'both pass through the central channel 90' of the core 9 'and then are wound on the periphery of the core 9', and the core is overturned between the position shown in fig. 2 and the position shown in fig. 3 by the cooperation of the two lifting ropes.
The existing mode of turning over by adopting a lifting rope has the following problems:
1. in the turning process of the special heat transfer equipment which is rolled into a cylinder, the spiral plate in the core body has the risk of gradually moving along the axial direction from the position of the central pipe to protrude outwards due to the action of gravity;
2. because the core body is formed by overlapping at least two spiral plates, the two spiral plates have the risk of generating relative displacement in the overturning process;
3. the spiral plate is thin and is easy to extrude and deform in the process of turning and hoisting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, and provides a turning tool for a core body of a spiral plate heat exchanger, which is convenient for turning the core body and can reduce the risk of axial displacement of a spiral plate in the core body in the turning process.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an upset frock of spiral plate heat exchanger core which characterized in that includes:
a base, on which a supporting ear seat is arranged;
the two cover plates are oppositely arranged and connected through a connecting piece, a space for the spiral plate heat exchanger core to be restrained is formed between the two cover plates, and the opposite inner plate surfaces of the two cover plates are abutting surfaces for abutting against the axial end of the spiral plate heat exchanger core;
the two lifting lugs are respectively arranged on the outer sides of the two cover plates, the first lifting lug is rotatably connected with the supporting lug seat, and the second lifting lug is a free end for hoisting.
Preferably, the connecting member comprises a first connecting rod for axially passing through the central passage of the spiral plate heat exchanger core, and both ends of the first connecting rod are respectively connected with the centers of the two cover plates. Thus, the first connecting rod can restrain the core body in the space between the two cover plates.
Preferably, a through hole for the first connecting rod to pass through is formed in the center of each cover plate, and each cover plate is detachably connected with the first connecting rod. Therefore, when the edge folding operation is required to be performed on the spiral plate, one cover plate can be taken down, one end of the spiral plate is exposed, and the exposed end of the spiral plate can be folded.
Further preferably, the connecting member further includes two intermediate plates, each cover plate is connected to the first connecting rod through the respective intermediate plate, the intermediate plates are disposed in the through holes of the cover plates and fixed to the cover plates, and the intermediate plates are connected to the ends of the first connecting rods.
The two lifting lugs can be directly fixed on the cover plate and also can be directly connected with the first connecting rod. Further, two lifting lugs are detachably connected to the two middle plates respectively.
In the above aspect, preferably, the connecting member includes at least two second connecting rods, each of the second connecting rods is arranged at intervals along the circumferential direction of the cover plate, and two ends of each of the second connecting rods are detachably connected to the edges of the two cover plates, respectively. Therefore, each second connecting rod is positioned at the periphery of the core body, and the core body can be restrained in the space between the two cover plates.
Furthermore, the edges of the cover plates are provided with through holes, at least two ends of each second connecting rod are designed to be screw rods, the edges of the two cover plates are connected with each other through the screw rods penetrating the through holes and nuts in threaded connection with the ends of the second connecting rods, and the nuts are abutted against the outer plate surfaces of the cover plates.
In each of the above schemes, the second lifting lug can be rotatably connected to the supporting lug seat to overturn the core body in different directions, so that the edge of the other end of the spiral plate is conveniently folded, preferably, each lifting lug and the supporting lug seat are provided with a shaft hole, the first lifting lug is rotatably connected to the supporting lug seat through a pin shaft, and the pin shaft is inserted into the shaft holes of the first lifting lug and the supporting lug seat.
In each of the above solutions, in order to prevent the spiral plates from generating relative displacement during the turning process, preferably, each cover plate is provided with a plurality of positioning members corresponding to gaps between adjacent spiral plates of the core body, and each positioning member is partially exposed out of the abutting surface of the cover plate and is used for abutting against an end of each spiral plate.
Preferably, each cover plate is provided with a plurality of second threaded holes, the positioning element comprises a second bolt, and the rod part of the second bolt passes through the second threaded holes and is exposed out of the abutting surface of the cover plate.
Compared with the prior art, the utility model has the advantages that: through setting up base, two apron that link to each other, setting up two lugs in two apron outsides, one of them lug rotates with the base to be connected, and then can drive the upset frock through effect such as lifting rope and rotate on another lug, and then the core upset of drive restraint between two apron. And because the relative interior face of two apron is for being used for with the butt face of the axial end looks butt of spiral plate heat exchanger core, and then can reduce the spiral plate in the core and produce the axial displacement risk in the upset in-process. And the structure is simple, and the implementation is convenient.
Drawings
FIG. 1 is a schematic structural diagram of a core of a prior art spiral plate heat exchanger;
FIG. 2 is a prior art diagram illustrating a state of use with a lifting rope in a first position;
FIG. 3 is a diagram of a prior art use with a lifting rope flipped to a second position;
FIG. 4 is a partial cross-sectional view of the turnover fixture rotated to the first position (omitting the positioning element) in the embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of the turnover fixture rotated to the second position (omitting the positioning element) in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an overturning tool equipped with a spiral plate heat exchanger core in the embodiment of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 4 to 6, a preferred embodiment of the turning tool for a core body of a spiral plate heat exchanger according to the present invention includes a base 1, two cover plates 2, a connecting member 3, and two lifting lugs 4.
Wherein, the top of the base 1 is provided with a supporting ear seat 11.
Two apron 2 relative settings and link to each other through connecting piece 3, form between two apron 2 and supply spiral plate heat exchanger core 9 to retrain space wherein, and two apron 2 relative interior face 2a be for being used for with the butt face of spiral plate heat exchanger core 9's axial end looks butt. Two lugs 4 are respectively arranged on the outer sides of the two cover plates 2, the first lug is rotatably connected with the supporting lug seat 11, and the second lug is a free end for hoisting. In this embodiment, in order to realize that the second lifting lug can also be rotatably connected to the supporting lug seat 11 (when the second lifting lug is connected to the supporting lug seat, the first lifting lug is a free end for hoisting), each of the lifting lugs 4 and the supporting lug seat 11 is provided with a shaft hole 41, the first lifting lug is rotatably connected to the supporting lug seat 11 through a pin shaft, and the pin shaft is inserted into the shaft holes 41 of the first lifting lug and the supporting lug seat 11.
In this embodiment, the connecting member 3 includes a first connecting rod 31 for axially passing through the central passage 90 of the spiral plate heat exchanger core 9, two middle plates 32 connected to the end of the first connecting rod 31, and the two lifting lugs 4 are detachably connected to the two middle plates 32 respectively, specifically: each lifting lug 4 is connected to the intermediate plate 32 by means of a first bolt 33.
Meanwhile, each cover plate 2 is detachably connected with the first connecting rod 31, specifically: the center of each cover plate 2 is provided with a through hole 20 for the first connecting rod 31 and the lifting lug 4 to pass through, each intermediate plate 32 is arranged in the through hole 20 of the corresponding cover plate 2, and the outer edge of each intermediate plate 32 is welded with the cover plate 2, so that each cover plate 2 is connected with the first connecting rod 31 through the respective intermediate plate 32, and when the cover plate 2 needs to be taken down, the welding position of the intermediate plate 32 and the cover plate 2 can be sawn or ground, and the like.
The connecting member 3 in this embodiment further includes at least two second connecting rods 34, each second connecting rod 34 is arranged along the circumferential direction of the cover plate 2 at intervals, and both ends of each second connecting rod 34 are detachably connected to the edges of the two cover plates 2, respectively. Specifically, the edge of each cover plate 2 is provided with a through hole 21, at least the end of each second connecting rod 34 is designed as a screw, the edges of the two cover plates 2 are connected through the screw penetrating the corresponding through hole 21, and a nut 35 is screwed on the end of the second connecting rod 34 and abuts against the outer plate surface 2b of the cover plate 2.
In order to prevent the spiral plates from generating relative displacement in the turning process, a plurality of positioning pieces 5 corresponding to the gaps between the adjacent spiral plates 91 of the core body 9 are arranged on each cover plate 2, and the parts of each positioning piece 5 are exposed out of the abutting surfaces of the cover plates 2 and are used for abutting against the end parts of the spiral plates 91. The concrete structure is as follows: each cover plate 2 is provided with a plurality of second threaded holes 22, the positioning member 5 comprises a second bolt, and the rod part of the second bolt passes through the second threaded holes 22 and is exposed out of the abutting surface of the cover plate 2.
During the use, can adopt effect such as lifting rope on the second lug, drive the upset frock through the lifting rope and overturn, when the upset frock rotates to figure 5, when 6 positions, can take off the round pin axle on the support ear seat 11, make first lug break away from support ear seat 11, and pull down this first lug, the upset frock that will break away from base 1 hoists to the operation panel that is used for the hem work on, then take off the apron 2 at top and can carry out the hem operation to the upper end of core 9 (above pull down first lug and can steadily support on the operation panel that is used for the hem work for apron 2 of bottom). After the flanging is finished, the top cover plate 2 is assembled, the overturning tool separated from the base 1 is hoisted to the position above the base 1, the first lifting lug is installed, the first lifting lug is connected to the supporting lug seat 11 in a rotating mode, and the overturning tool can be driven to overturn to the position shown in the figure 4 through the lifting rope.
In order to realize the flanging operation of the lower end part of the core body, the first lifting lug and the supporting lug seat 11 can be separated in the state shown in fig. 4, the overturning tool is driven by external components such as a lifting rope and the like to rotate 180 degrees around the vertically extending central line of the overturning tool, so that the second lifting lug is connected to the supporting lug seat 11, then the overturning tool is driven to overturn, and the operation is carried out according to the steps.
Claims (10)
1. The utility model provides an upset frock of spiral plate heat exchanger core which characterized in that includes:
a base (1) on which a support ear seat (11) is arranged;
the two cover plates (2) are oppositely arranged and are connected through the connecting piece (3), a space for the spiral plate heat exchanger core body (9) to be restricted is formed between the two cover plates (2), and the opposite inner plate surfaces (2a) of the two cover plates (2) are abutting surfaces for abutting against the axial end of the spiral plate heat exchanger core body (9);
the two lifting lugs (4) are respectively arranged on the outer sides of the two cover plates (2), the first lifting lug is rotatably connected with the supporting lug seat (11), and the second lifting lug is a free end for hoisting.
2. The upset frock of claim 1, characterized in that: the connecting piece (3) comprises a first connecting rod (31) which is used for axially penetrating through a central channel (90) of the spiral plate heat exchanger core body (9), and two ends of the first connecting rod (31) are respectively connected with the centers of the two cover plates (2).
3. The upset frock of claim 2, characterized in that: the center of each cover plate (2) is provided with a through hole (20) for a first connecting rod (31) to pass through, and each cover plate (2) is detachably connected with the first connecting rod (31).
4. The frock of overturning of claim 3, wherein: the connecting piece (3) further comprises two middle plates (32), each cover plate (2) is connected with the first connecting rod (31) through the corresponding middle plate (32), the middle plates (32) are arranged in the through holes (20) of the cover plates (2), the middle plates (32) are fixed with the cover plates (2), and the middle plates (32) are connected with the end portions of the first connecting rods (31).
5. The upset frock of claim 4, characterized in that: the two lifting lugs (4) are respectively detachably connected to the two middle plates (32).
6. The upset frock of claim 1, characterized in that: the connecting piece (3) comprises at least two second connecting rods (34), each second connecting rod (34) is arranged along the circumferential direction of the cover plate (2) at intervals, and two ends of each second connecting rod (34) are detachably connected with the edges of the two cover plates (2) respectively.
7. The upset frock of claim 6, characterized in that: the edge of each cover plate (2) is provided with a through hole (21), at least two ends of each second connecting rod (34) are designed to be screw rods, the edges of the two cover plates (2) are connected through the screw rods penetrating through the through holes (21) and nuts (35) in threaded connection with the end parts of the second connecting rods (34), and the nuts (35) are abutted to the outer plate surfaces (2b) of the cover plates (2).
8. The upset frock of any claim 1 ~ 7, characterized in that: each lifting lug (4) and each supporting lug seat (11) are respectively provided with a shaft hole (41), the first lifting lug is rotatably connected to the supporting lug seat (11) through a pin shaft, and the pin shaft is inserted into the shaft holes (41) of the first lifting lug and the supporting lug seats (11).
9. The upset frock of any claim 1 ~ 7, characterized in that: each cover plate (2) is provided with a plurality of positioning pieces (5) corresponding to the gaps between the spiral plates (91) of the adjacent layers of the core body (9), and the parts of each positioning piece (5) are exposed out of the abutting surfaces of the cover plates (2) and are used for abutting against the end parts of the spiral plates (91).
10. The upset frock of claim 9, characterized in that: each cover plate (2) is provided with a plurality of second threaded holes (22), each positioning piece (5) comprises a second bolt, and the rod part of each second bolt penetrates through the second threaded hole (22) and is exposed out of the abutting surface of the cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121449071.1U CN215666694U (en) | 2021-06-28 | 2021-06-28 | Overturning tool for core body of spiral plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121449071.1U CN215666694U (en) | 2021-06-28 | 2021-06-28 | Overturning tool for core body of spiral plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215666694U true CN215666694U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121449071.1U Active CN215666694U (en) | 2021-06-28 | 2021-06-28 | Overturning tool for core body of spiral plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215666694U (en) |
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2021
- 2021-06-28 CN CN202121449071.1U patent/CN215666694U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
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| CP01 | Change in the name or title of a patent holder |