CN114833392A - Omega ring cutting tool for omega ring-shaped heat exchanger of coal liquefaction device - Google Patents
Omega ring cutting tool for omega ring-shaped heat exchanger of coal liquefaction device Download PDFInfo
- Publication number
- CN114833392A CN114833392A CN202110132222.9A CN202110132222A CN114833392A CN 114833392 A CN114833392 A CN 114833392A CN 202110132222 A CN202110132222 A CN 202110132222A CN 114833392 A CN114833392 A CN 114833392A
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- Prior art keywords
- gear
- omega
- heat exchanger
- guide rail
- cutting
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010117 shenhua Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
- B23D19/08—Shearing machines or shearing devices cutting by rotary discs for special use, e.g. for cutting curves, for chamfering edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/006—Accessories for shearing machines or shearing devices for obtaining pieces of a predetermined length, e.g. control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides an omega ring cutting tool for an omega ring-shaped heat exchanger of a coal liquefaction device, which comprises a semicircular guide rail, a guide assembly, a guide rail groove, a pulley, a positioning bolt, a fixed rod and a cutting device, wherein the semicircular guide rail is fixed on a flange of the omega ring-shaped heat exchanger through the bolt; one end of the guide assembly is hung on the flange through a hanging rope, the other end of the guide assembly is fixed on a guide rail groove of the semicircular guide rail, a pulley and a positioning bolt are arranged at the end part of the guide assembly, and the guide assembly moves along the circumferential direction of the semicircular guide rail; a fixed rod is vertically arranged downwards in the middle of the guide assembly; the fixed rod is fixed with the middle part of the cutting device. According to the invention, the cutting position and the cutting depth are adjusted through the guide assembly, the cutting precision and quality of the omega ring are ensured, the operation is easy, the investment of construction manpower is reduced, the working efficiency is greatly improved, and the construction risk is reduced.
Description
Technical Field
The invention belongs to the technical field of cutting tools, and particularly relates to an omega ring cutting tool for an omega ring heat exchanger of a coal liquefaction device.
Background
The Shenhua coal direct liquefaction project takes coal as a raw material and produces petroleum and petrochemical products through a chemical processing process, wherein the liquefaction device is provided with an omega-ring sealed heat exchanger for operating a high-temperature and high-pressure system as an operating medium.
The high-pressure sealing structure design of the heat exchanger can meet the sealing performance and is convenient to manufacture and install, and the high-pressure heat exchanger sealing design mainly aims at preventing high-temperature and high-pressure corrosive fluid from leaking inwards and outwards, and is easy to disassemble and assemble, economical and reasonable. The construction difficulty of the heat exchanger maintenance is the cutting of the shell side omega ring, and the operation gap between two flanges of the shell side is too small: the two flanges on the shell side are of a V-shaped structure, the distance between the edge of the omega ring and the excircle of the flange is about 210mm, the gap between the tops of the two flanges is 105mm, the gap between the bottoms of the omega ring is 45mm, the width of the omega ring weld is 7mm, and the depth of the omega ring weld is 5 mm. The defects of the prior art are that the cutting equipment cannot stretch into the bottom, cannot cut the omega-shaped ring and cannot ensure the cutting precision.
Therefore, it is very important to design and manufacture an Ω -ring cutting tool for an Ω -ring heat exchanger of a coal liquefaction plant.
Disclosure of Invention
In order to solve the technical problems, the invention provides an omega ring cutting tool for an omega ring type heat exchanger of a coal liquefaction device, and aims to solve the problems that cutting equipment cannot extend into the bottom, an omega ring cannot be cut and the cutting precision cannot be guaranteed in the conventional device. An omega ring cutting tool for an omega ring-shaped heat exchanger of a coal liquefaction device comprises a semicircular guide rail, a guide assembly, a guide rail groove, a pulley, a positioning bolt, a fixed rod and a cutting device, wherein the semicircular guide rail is fixed on a flange of the omega ring-shaped heat exchanger through the bolt; one end of the guide assembly is hung on the flange through a hanging rope, the other end of the guide assembly is fixed on a guide rail groove of the semicircular guide rail, a pulley and a positioning bolt are arranged at the end part of the guide assembly, and the guide assembly moves along the circumferential direction of the semicircular guide rail; a fixed rod is vertically arranged downwards in the middle of the guide assembly; the fixed rod is fixed with the middle part of the cutting device.
The cutting device comprises a gear set, a driving device, a second gear and a cutting blade, the gear set is arranged at the upper part of the cutting device, the driving device is arranged at the lower part of the cutting device, and the driving device is connected with the gear set through the second gear; the front end of the gear set is provided with a cutting blade.
The gear set comprises a gear set supporting frame and a continuous gear, the gear set supporting frame and the back of the driving device are fixed together, and the continuous gear is arranged at the middle end of the gear set supporting frame; the cutting blade at the front end of the gear set supporting frame is connected with the second gear through the continuous gear; the continuous gear is arranged as a chain or a third gear.
The continuous gear is arranged as a chain, the gear is driven to rotate through the second gear, and the gear drives the cutting blade to rotate through the chain.
The continuous gear comprises a third gear, the gear is driven to rotate through the second gear, the gear drives the third gear, and the third gear drives the cutting blade to rotate.
The driving device comprises a power line, a motor, a key and a bevel gear, the power line is arranged at the bottom end of the motor, the key is arranged at the upper end position of the driving device, and the bevel gear is arranged at the front end of the motor.
The bevel gear is connected with the second gear and is used for transmitting the motion and the power between the two intersecting shafts.
The method comprises the following steps of 1, positioning: the semicircular guide rail is fixed on a flange of the omega-shaped annular heat exchanger through bolts, and the guide assembly is arranged on the semicircular guide rail.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the cutting tool, the cutting position and the cutting depth are adjusted through the guide assembly, the cutting precision and quality of the omega-shaped ring are guaranteed, the operation is easy, the investment of construction manpower is reduced, the working efficiency is greatly improved, and the construction risk is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the driving device of the present invention.
Fig. 3 is a schematic view of the structure of the pulley of the present invention.
Fig. 4 is a schematic structural diagram of the power cord of the present invention.
Fig. 5 is a schematic structural view of the fixing lever of the present invention.
Fig. 6 is a schematic view of the structure of the chain of the present invention.
Fig. 7 is a schematic view of the third gear of the present invention.
In the figure:
the cutting machine comprises a 1-semicircular guide rail, a 2-guide component, a 3-guide rail groove, a 4-pulley, a 5-positioning bolt, a 6-fixing rod, a 7-cutting device, a 71-gear set, a 711-gear set supporting frame, a 712-continuous gear, a 713-chain, a 714-third gear, a 72-driving device, a 721-power line, a 722-motor, a 723-key, a 724-bevel gear, a 73-second gear and a 74-cutting piece.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 7
The invention provides an omega ring cutting tool for an omega ring-shaped heat exchanger of a coal liquefaction device, which comprises a semicircular guide rail 1, a guide assembly 2, a guide rail groove 3, a pulley 4, a positioning bolt 5, a fixed rod 6 and a cutting device 7, wherein the semicircular guide rail 1 is fixed on a flange of the omega ring-shaped heat exchanger through a bolt; one end of the guide assembly 2 is hung on the flange through a hanging rope, the other end of the guide assembly 2 is fixed on a guide rail groove 3 of the semicircular guide rail 1, a pulley 4 and a positioning bolt 5 are arranged at the end part of the guide assembly 2, and the guide assembly 2 moves along the circumferential direction of the semicircular guide rail 1; a fixed rod 6 is vertically arranged downwards at the middle position of the guide assembly 2; the fixing rod 6 is fixed with the middle position of the cutting device 7.
The cutting device 7 comprises a gear set 71, a driving device 72, a second gear 73 and a cutting blade 74, the gear set 71 is arranged at the upper part of the cutting device 7, the driving device 72 is arranged at the lower part of the cutting device, and the driving device 72 is connected with the gear set 71 through the second gear 73; the front end of the gear set 71 is provided with a cutting blade 74.
The gear set 71 comprises a gear set supporting frame 711 and a continuous gear 712, the back surfaces of the gear set supporting frame 711 and the driving device 72 are fixed together, and the continuous gear 712 is arranged at the middle end of the gear set supporting frame 711; the cutting blade 74 at the front end of the gear set supporting frame 711 is connected with the second gear 73 through the continuous gear 712; the continuous gear 712 is provided as a chain 713 or a third gear 714.
The continuous gear 712 is provided as a chain 713, and the gear 715 is rotated by the second gear 73, and the gear 715 is rotated by the chain 713 to rotate the cutting blade 74.
The continuous gear 712 includes a third gear 714, which is driven by the second gear 714 to rotate, a gear 715 is driven by the third gear 714, and the third gear 714 is driven by the cutting blade 74 to rotate.
The driving device 72 comprises a power line 721, a motor 722, a key 723 and a bevel gear 724, wherein the power line 721 is arranged at the bottom end of the motor 722, the key 723 is arranged at the upper end of the driving device 72, and the bevel gear 724 is arranged at the front end of the motor 722.
The bevel gear 724 is connected with the second gear 73 for transmitting motion and power between two intersecting shafts.
The method comprises the following steps of 1, positioning: a semicircular guide rail 1 is fixed on a flange of an omega-shaped annular heat exchanger through bolts, and a guide assembly 2 is arranged on the semicircular guide rail 1.
Principle of operation
The invention relates to an omega ring cutting tool for an omega ring heat exchanger of a coal liquefaction device, which is characterized in that firstly, a semicircular guide rail 1 is fixed on a flange of the omega ring heat exchanger through bolts; secondly, one end of the guide assembly is hung on the flange through a hanging rope, the other end of the guide assembly is fixed on a guide rail groove 3 of the semicircular guide rail 1, the position of the pulley 4 and the positioning bolt 5 is adjusted, and finally the cutting device is started to cut.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (8)
1. An omega ring cutting tool for an omega ring heat exchanger of a coal liquefaction device, characterized in that: the device comprises a semicircular guide rail (1), a guide assembly (2), a guide rail groove (3), a pulley (4), a positioning bolt (5), a fixed rod (6) and a cutting device (7), wherein the semicircular guide rail (1) is fixed on a flange of the omega-shaped annular heat exchanger through a bolt; one end of the guide assembly (2) is hung on the flange through a hanging rope, the other end of the guide assembly (2) is fixed on a guide rail groove (3) of the semicircular guide rail (1), a pulley (4) and a positioning bolt (5) are arranged at the end part of the guide assembly (2), and the guide assembly (2) moves along the circumferential direction of the semicircular guide rail (1); a fixed rod (6) is vertically arranged downwards at the middle part of the guide assembly (2); the fixing rod (6) is fixed with the middle part of the cutting device (7).
2. The omega ring cutting tool for the omega ring heat exchanger of the coal liquefaction plant as recited in claim 1, wherein: the cutting device (7) comprises a gear set (71), a driving device (72), a second gear (73) and a cutting piece (74), the gear set (71) is arranged at the upper part of the cutting device (7), the driving device (72) is arranged at the lower part of the cutting device, and the driving device (72) is connected with the gear set (71) through the second gear (73); the front end of the gear set (71) is provided with a cutting blade (74).
3. The omega ring cutting tool for the omega ring heat exchanger of the coal liquefaction plant as claimed in claim 2, wherein: the gear set (71) comprises a gear set supporting frame (711) and a continuous gear (712), the gear set supporting frame (711) and the back of the driving device (72) are fixed together, and the continuous gear (712) is arranged at the middle end of the gear set supporting frame (711); the cutting blade (74) at the front end of the gear set supporting frame (711) is connected with the second gear (73) through a continuous gear (712); the continuous gear (712) is arranged as a chain (713) or as a third gear (714).
4. The omega ring cutting tool for the omega ring heat exchanger of the coal liquefaction plant as claimed in claim 3, wherein: the continuous gear (712) is arranged into a chain (713), the gear (715) is driven to rotate through the second gear (73), and the gear (715) drives the cutting blade (74) to rotate through the chain (713).
5. The omega ring cutting tool for the omega ring heat exchanger of the coal liquefaction plant as claimed in claim 3, wherein: the continuous gear (712) comprises a third gear (714), the gear is driven to rotate through the second gear (714), the gear (715) drives the third gear (714), and the third gear (714) drives the cutting blade (74) to rotate.
6. The omega ring cutting tool for the omega ring heat exchanger of the coal liquefaction plant as claimed in claim 3, wherein: the driving device (72) comprises a power line (721), a motor (722), a key (723) and a bevel gear (724), wherein the power line (721) is arranged at the bottom end of the motor (722), the key (723) is arranged at the upper end of the driving device (72), and the bevel gear (724) is arranged at the front end of the motor (722).
7. The omega ring cutting tool for the omega ring heat exchanger of the coal liquefaction plant as claimed in claim 4, wherein: the bevel gear (724) is connected with the second gear (73) and is used for transmitting the motion and the power between two intersecting shafts.
8. The omega ring cutting tool for the omega ring heat exchanger of the coal liquefaction plant as recited in claim 1, wherein: the method comprises the following steps of 1, positioning: fixing a semicircular guide rail (1) on a flange of the omega-shaped annular heat exchanger through bolts, and installing a guide assembly (2) on the semicircular guide rail (1);
step 2, cutting: a power line (721) is plugged into a power supply, a key (723) is started, a cutting blade (74) rotates, and circular motion is carried out along a semicircular guide rail (1) through a guide assembly (2) to cut the omega-shaped annular heat exchanger;
step 3, disassembling: and after cutting, closing the key (723), pulling down the power supply, disassembling the pulley (4) and the positioning bolt (5), and disassembling the semicircular guide rail (1) fixed on the flange of the omega-shaped annular heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132222.9A CN114833392A (en) | 2021-01-31 | 2021-01-31 | Omega ring cutting tool for omega ring-shaped heat exchanger of coal liquefaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132222.9A CN114833392A (en) | 2021-01-31 | 2021-01-31 | Omega ring cutting tool for omega ring-shaped heat exchanger of coal liquefaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114833392A true CN114833392A (en) | 2022-08-02 |
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ID=82561059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110132222.9A Pending CN114833392A (en) | 2021-01-31 | 2021-01-31 | Omega ring cutting tool for omega ring-shaped heat exchanger of coal liquefaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114833392A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488424A (en) * | 2022-10-10 | 2022-12-20 | 江苏佳宇建设工程有限公司 | Material cutting device for building site |
-
2021
- 2021-01-31 CN CN202110132222.9A patent/CN114833392A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488424A (en) * | 2022-10-10 | 2022-12-20 | 江苏佳宇建设工程有限公司 | Material cutting device for building site |
| CN115488424B (en) * | 2022-10-10 | 2024-02-02 | 江苏佳宇建设工程有限公司 | Material cutting device for building site |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220802 |