CN112653048A - Clamping piece for fixing cable on air cooling island heat dissipation pipe bundle and installation method - Google Patents
Clamping piece for fixing cable on air cooling island heat dissipation pipe bundle and installation method Download PDFInfo
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- CN112653048A CN112653048A CN202011076587.6A CN202011076587A CN112653048A CN 112653048 A CN112653048 A CN 112653048A CN 202011076587 A CN202011076587 A CN 202011076587A CN 112653048 A CN112653048 A CN 112653048A
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- cable
- heat dissipation
- air cooling
- cooling island
- fins
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- 238000001816 cooling Methods 0.000 title claims abstract description 48
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 title abstract description 24
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a clamping piece for fixing a cable on an air cooling island heat dissipation tube bundle and an installation method, and relates to the technical field of air cooling island cable installation. Lay the cable and install a plurality of fasteners on the cable at the cooling tube bank surface, specifically, install the gauze mask and locate on the cable to insert the base pin in the fin, fix the cable. The clamping piece is simple in structure and convenient to install, and can be used for quickly installing and fixing cables on the air cooling island radiating pipe bundle, so that the labor intensity of constructors is reduced, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of air cooling island cable installation, in particular to a clamping piece for fixing a cable on an air cooling island radiating pipe bundle and an installation method.
Background
At present, when most direct air-cooling generating sets in China operate in cold winter, particularly during the starting and stopping processes of the generating sets and under the working conditions of low steam exhaust quantity of a steam turbine such as night or low-load operation and the like, the phenomenon of uneven steam distribution of a radiator of an air-cooling system is easy to occur, so that the internal part of the radiator is frozen locally, and the operation of the generating sets is abnormal or stopped.
In order to prevent the air cooling system from being supercooled or frozen during running in winter and avoid equipment damage caused by freezing even in a large area in the finned tube bundle, temperature measuring cables are distributed in a heat dissipation area of the air cooling island according to specific rules, so that the temperature field of the air cooling radiator is monitored in real time. The fixing of the direct air cooling type air cooling island temperature measurement cable is mainly known as two methods: firstly, a temperature measuring cable is directly tied on the original air-cooling tube bundle fixing flat steel by adopting a stainless steel tie; and the L-shaped pull rod is matched with the bracket for mounting.
The method of directly bundling the temperature measuring cables with the tube bundle fixing flat steel through the stainless steel ribbon is simple and convenient to operate and easy to construct, but has the defect that the arrangement positions of the temperature measuring cables are limited by the positions of the flat steel, so that the quantity of the temperature measuring cables and the positions of the temperature measuring points cannot effectively monitor the whole heat dissipation area, and the purpose of integrally monitoring a temperature field cannot be achieved.
The mode that the temperature measurement cable is fixed by the L-shaped pull rod matched with the bracket can reasonably arrange the temperature measurement cable according to actual needs on site. The top end of the L-shaped pull rod is provided with threads, and the pull rod is matched with the bracket for use. During installation, the lower ends of the L-shaped pull rods penetrate through gaps among the fins and are inserted from the outer side of the tube bundle, then the L-shaped pull rods rotate by 90 degrees, the lower ends of the pull rods hook the fins on the lower portions, after the upper portions of the pull rods penetrate through the preformed holes in the supports, the nuts are screwed in the upper portions of the pull rods, the supports are fixed on the surfaces of the radiating fins, the temperature measuring cables are fixed on the supports through the U-shaped clamps, and each support is provided with two pull rods. The installation method has the disadvantages of large construction amount, inconvenient operation and low working efficiency.
Disclosure of Invention
In order to solve the technical problems, the invention provides the clamping piece for fixing the cable on the air cooling island radiating pipe bundle and the installation method, the structure is simple, the installation is convenient, the cable arrangement process is more convenient, and the construction efficiency is improved.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a clamping piece for fixing a cable on a heat dissipation pipe bundle of an air cooling island, which comprises a bottom plate and two plug-in components symmetrically fixed on two sides of the bottom plate, wherein a mounting opening is formed between the two plug-in components and used for accommodating the cable, the plug-in components comprise two plug-in pins, the two plug-in pins are positioned on the same plane, an opening is formed between the two plug-in pins, and the plug-in pins are used for being inserted into fins of the heat dissipation pipe bundle.
Preferably, the thickness of the bottom plate and the thickness of the pin are 2/3-4/5 of the gap of the fin.
Preferably, the thickness of the bottom plate and the thickness of the pins are both 1.5-2 mm.
Preferably, the difference between the width of the mounting opening and the diameter of the cable is 2 to 5 mm.
Preferably, the depth of the pins inserted into the fins is 70-100 mm.
Preferably, the heat dissipation tube bundle comprises a main through flat tube, the fins are arranged on two sides of the main through flat tube, the opening is used for being clamped on the main through flat tube, and the two pins in one plug-in assembly are respectively used for being inserted into the fins on two sides of the main through flat tube.
Preferably, the difference between the width of the opening and the width of the main through flat pipe is 1-2 mm.
Preferably, the heat dissipation tube bundles include main through flat tubes, the fins are arranged on both sides of each main through flat tube, and the two pins in one plug-in mounting component are respectively used for being inserted into the two fins between two adjacent heat dissipation tube bundles.
Preferably, the width of the opening is 3-8 mm.
The invention also provides an installation method of the clamping piece for fixing the cable on the air cooling island radiating pipe bundle, which comprises the following steps: laying the cable on the surface of the radiating pipe bundle and installing a plurality of clamping pieces on the cable, wherein the installing mask is arranged on the cable and the pins are inserted into the fins; when the cable is arranged straightly, the distance between every two adjacent clamping pieces is 70-100 cm; when the cable is not arranged straightly, the distance between two adjacent clamping pieces is 30-60 cm.
Compared with the prior art, the invention has the following technical effects:
the invention provides a clamping piece for fixing a cable on a radiating tube bundle of an air cooling island and an installation method. Lay the cable and install a plurality of fasteners on the cable at the cooling tube bank surface, specifically, install the gauze mask and locate on the cable to insert the base pin in the fin, fix the cable. When the cable is arranged straightly, the distance between two adjacent clamping pieces is 70-100 cm; when the cable is not arranged straightly, the distance between two adjacent clamping pieces is 30-60 cm, so that the adhesion force of the cable is increased to be stable. The clamping piece is simple in structure and convenient to install, and can be used for quickly installing and fixing cables on the air cooling island radiating pipe bundle, so that the labor intensity of constructors is reduced, and the construction efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of a card member according to an embodiment of the invention;
FIG. 2 is a front view of the card member in the first embodiment of the invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic perspective view of a card member according to a second embodiment of the invention;
FIG. 5 is a front view of the card member in the second embodiment of the invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;
FIG. 7 is a front view of the clip of the present invention;
fig. 8 is a side view of the mounting of the clip of the present invention.
Description of reference numerals: 1. a base plate; 2. a pin; 3. an opening; 4. an installation port; 5. a heat dissipation tube bundle; 51. a main through flat pipe; 52. a fin; 6. a cable; 7. a first clip member; 8. a second clip member.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a clamping piece for fixing a cable on an air cooling island radiating pipe bundle and an installation method, which are simple in structure and convenient to install, enable the cable arrangement process to be more convenient and fast, and improve the working efficiency.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
as shown in fig. 1-3, the present embodiment provides a clip for fixing a cable on an air cooling island heat dissipation tube bundle, which includes a bottom plate 1 and two insertion assemblies symmetrically fixed on two sides of the bottom plate 1, a mounting port 4 is formed between the two insertion assemblies, the mounting port 4 is used for accommodating the cable 6, the insertion assemblies include two pins 2, the two pins 2 are located on the same plane, an opening 3 is provided between the two pins 2, and the pins 2 are used for being inserted into fins 52 of the heat dissipation tube bundle 5. In the present embodiment, the pins 2 are flat.
Specifically, the plate thickness of the pin 2 of the clip is determined according to the clearance between the fins 52 of the heat radiation pipe bundle 5, the contact area of the fins 52 with the pin 2 of the clip, the inclination angle of the heat radiation surface of the air cooling island, and the air cooling chamber air pressure. When the sum of the friction force generated by the contact of the fins 52 and the pins 2 of the clamping piece and the component force of the gravity of the cable 6 vertically acting on the heat dissipation surface of the air cooling island is larger than the pressure value generated by the action of the air exhausted by the running of the fan in the air cooling chamber on the surfaces of the clamping piece and the cable 6, the clamping piece can achieve stable installation effect.
In the present embodiment, the included angle of the a-frame of the air cooling island is 60 degrees, and the thicknesses of the bottom plate 1 and the pins 2 are 2/3-4/5 of the gaps of the fins 52.
Specifically, the thicknesses of the bottom plate 1 and the pins 2 are both 1.5-2 mm. The clamping piece is made of 210 stainless steel or 304 stainless steel with the thickness of 1.5-2 mm through stamping (or laser cutting) and bending, is suitable for outdoor scenes, and has the characteristic of rust prevention.
Specifically, the difference between the width of the mounting opening 4 and the diameter of the cable 6 is 2 to 5 mm. When the width of the mounting opening 4 is set, on one hand, a certain gap is formed between the cable 6 and the mounting opening 4, and on the other hand, the pins 2 are required to be inserted into the gaps among the fins 52, so that the width of the mounting opening 4 is set to be 2-5 mm larger than the diameter of the cable 6.
In order to make the clip firmly mounted, the length of the pin 2 is required to be such that the depth of the pin 2 inserted into the fin 52 is 70 to 100mm, and specifically, the total height of the clip is 85 to 115 mm.
The heat dissipation tube bundle 5 comprises a main flat tube 51, fins 52 are arranged on two sides of the main flat tube 51, in the embodiment, the opening 3 is used for being clamped on the main flat tube 51, and the two pins 2 in one plug-in component are respectively inserted into the fins 52 on two sides of the main flat tube 51. The clamping piece used for being mounted on the main through flat pipe 51 in the embodiment is a first clamping piece 7.
Specifically, the difference between the width of the opening 3 and the width of the main flat tube 51 is 1 to 2 mm. The width that main logical flat pipe 51 was 19mm in this embodiment, considers simple to operate, and 1 ~ 2mm clearance is reserved to 3 width of opening, and opening 3 width is 20 ~ 21mm promptly.
The embodiment also provides an installation method of the clamping piece for fixing the cable on the air cooling island heat dissipation pipe bundle, which comprises the following steps: as shown in fig. 7 and 8, a cable 6 is laid on the surface of the heat dissipation tube bundle 5 and a plurality of clips are mounted on the cable 6, the mounting port 4 is covered on the cable 6, and the pins 2 are inserted into the fins 52; when the cable 6 is arranged straightly, the distance between two adjacent clamping pieces is 70-100 cm; when the cable 6 is arranged in a non-straight manner, the distance between two adjacent clamping pieces is 30-60 cm, and the overall adhesive force of the cable 6 is increased to meet the requirement of stable installation.
In this embodiment, the total height of the clip is 85mm, the width of the clip is 50mm, the width of the opening 3 is 20mm, the width of the mounting opening 4 is 14mm, the thickness of the bottom plate 1 and the thickness of the pin 2 are both 1.5mm, and the width of the pin 2 is 15 mm. The diameter of the cable 6 is 12 mm.
In the embodiment, the cables 6 are arranged on the air cooling islands of the 2x350MW supercritical direct air cooling power generation and heat supply units, the air cooling islands of each unit are divided into 6 rows and 5 rows, the length of each row is 61 meters, the cross section size of the base tube is 219mmx19mm, the distance between fins 52 is 2.3mm, the inclination angle of the heat dissipation tube bundle 5 is 60 degrees, and the air volume of the fan is 572.5m3And s. The length of a single cable 6 arranged in each row of heat dissipation areas on the air cooling island is 61 meters, and the cables 6 are horizontally arranged. The cable 6 is fixedly installed by a plurality of clamping pieces in the embodiment, and the horizontal interval of the clamping pieces is 80 cm. When the cable 6 is installed, starting from one end of the air cooling island, the cable 6 with the diameter of 12mm is placed in a mounting opening 4 of 14mmx50mm of the clamping piece, an opening 3 with the width of 20mm of the clamping piece strides over the main through flat tube 51, four pins 2 of the clamping piece are respectively inserted into gaps of fins 52 on two sides of the main through flat tube 51 to press the cable 6, and the installation is finished at the point, so that the whole cable 6 is completely installed.
Therefore, the clamping piece in the embodiment is simple in structure and convenient to install, the cable 6 can be quickly installed and fixed on the air cooling island radiating pipe bundle 5, the labor intensity of constructors is reduced, and the construction efficiency is improved.
Example two:
as shown in fig. 4-6, the present embodiment provides a clip for fixing cables on the air cooling island heat dissipation tube bundle, and two pins 2 in one plug-in assembly are respectively inserted into two fins 52 between two adjacent heat dissipation tube bundles 5. Because the fin 52 is not strict parallel and level in the border when bending, consider simple to operate, reserve the clearance and form opening 3 between two participate in 2 in an cartridge subassembly, the width of opening 3 is 3 ~ 8 mm. The other structures of the card member in this embodiment are the same as those in the first embodiment. The second latching means 8 in the two fins 52 of the present embodiment for fitting between the adjacent two radiating tube bundles 5.
Specifically, the total height of the clip is 85mm, the width of the clip is 35mm, the width of the opening 3 is 5mm, the width of the mounting opening 4 is 14mm, the thicknesses of the bottom plate 1 and the pin 2 are both 1.5mm, and the width of the pin 2 is 15 mm. The diameter of the cable 6 is 12 mm.
When the cable 6 is installed, starting from one end of the air cooling island row, the cable 6 with the diameter of 12mm is placed in the installation opening 4 of 14mmx50mm of the clamping piece, the opening 3 with the width of 5mm of the clamping piece spans the gap between the two fins 52 between the two adjacent radiating tube bundles 5, the four pins 2 of the clamping piece are respectively inserted into the gaps between the two fins 52 between the two adjacent radiating tube bundles 5 to press the cable 6, and the installation is finished at the point, so that the installation of the whole cable 6 is finished.
It should be noted that the clip in the first embodiment and the clip in the second embodiment can be applied to the installation of the same cable 6. During the installation, if 6 cable need turn and change 6 trends of cable, conveniently look for fastener mounted position according to on-the-spot actual conditions, choose the fastener in embodiment one or the fastener in embodiment two for the installation is nimble more convenient according to actual conditions.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The clamping piece for fixing the cable on the heat dissipation pipe bundle of the air cooling island is characterized by comprising a bottom plate and two plug-in mounting components symmetrically fixed on two sides of the bottom plate, a mounting opening is formed between the two plug-in mounting components and used for accommodating the cable, each plug-in mounting component comprises two plug-in pins, the two plug-in pins are located on the same plane, an opening is formed between the two plug-in pins, and the plug-in pins are used for being inserted into fins of the heat dissipation pipe bundle.
2. The clip for securing cables to an air cooling island heat dissipation tube bundle of claim 1, wherein the thickness of the base plate and the prongs are 2/3-4/5 of the gap of the fins.
3. The clip for fixing cables on an air cooling island heat dissipation tube bundle according to claim 2, wherein the thickness of the bottom plate and the thickness of the pins are both 1.5-2 mm.
4. The clip for securing a cable to an air cooling island heat dissipation tube bundle of claim 1, wherein the difference between the width of the mounting opening and the diameter of the cable is 2-5 mm.
5. The clip for securing a cable to an air cooling island heat dissipation tube bundle of claim 1, wherein the depth of insertion of the prongs into the fins is 70-100 mm.
6. The fastener for fixing a cable on an air cooling island heat dissipation tube bundle according to claim 1, wherein the heat dissipation tube bundle comprises a main through flat tube, the fins are arranged on both sides of the main through flat tube, the opening is used for being clamped on the main through flat tube, and the two pins in one plug-in component are respectively used for being inserted into the fins on both sides of the main through flat tube.
7. The fastener for fixing cables on an air cooling island heat dissipation tube bundle according to claim 6, wherein the difference between the width of the opening and the width of the main through flat tube is 1-2 mm.
8. The clip for securing a cable to an air cooling island heat dissipation tube bundle of claim 1, wherein the heat dissipation tube bundle comprises a main flat tube, the fins are disposed on both sides of the main flat tube, and two pins of one of the plug-in assemblies are respectively configured to be inserted into two fins between two adjacent heat dissipation tube bundles.
9. The clip for securing a cable to an air cooling island heat dissipation tube bundle of claim 8, wherein the width of the opening is 3-8 mm.
10. A method of installing a clip for securing a cable to an air cooling island radiating tube bundle as claimed in any one of claims 1 to 9, comprising the steps of: laying the cable on the surface of the radiating pipe bundle and installing a plurality of clamping pieces on the cable, wherein the installing mask is arranged on the cable and the pins are inserted into the fins; when the cable is arranged straightly, the distance between every two adjacent clamping pieces is 70-100 cm; when the cable is not arranged straightly, the distance between two adjacent clamping pieces is 30-60 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076587.6A CN112653048B (en) | 2020-10-10 | 2020-10-10 | Clamping piece for fixing cable on air cooling island heat dissipation tube bundle and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076587.6A CN112653048B (en) | 2020-10-10 | 2020-10-10 | Clamping piece for fixing cable on air cooling island heat dissipation tube bundle and mounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112653048A true CN112653048A (en) | 2021-04-13 |
| CN112653048B CN112653048B (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011076587.6A Active CN112653048B (en) | 2020-10-10 | 2020-10-10 | Clamping piece for fixing cable on air cooling island heat dissipation tube bundle and mounting method |
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| Country | Link |
|---|---|
| CN (1) | CN112653048B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004036125A1 (en) * | 2004-07-24 | 2006-02-16 | Seeba Energiesysteme Gmbh | Fixing clamp for cable or cable bundle extending along a unit has shaped sheet bolted to a counterpart and having guide rails inserting into this |
| CN107534283A (en) * | 2015-03-25 | 2018-01-02 | D线（欧洲）有限公司 | Cable limiter |
| CN111365527A (en) * | 2020-03-31 | 2020-07-03 | 湖南钒谷新能源技术有限公司 | Pipe clamp |
| CN213072051U (en) * | 2020-10-10 | 2021-04-27 | 北京必可测科技股份有限公司 | Fastener for fixing cable on air cooling island radiating pipe bundle |
-
2020
- 2020-10-10 CN CN202011076587.6A patent/CN112653048B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004036125A1 (en) * | 2004-07-24 | 2006-02-16 | Seeba Energiesysteme Gmbh | Fixing clamp for cable or cable bundle extending along a unit has shaped sheet bolted to a counterpart and having guide rails inserting into this |
| CN107534283A (en) * | 2015-03-25 | 2018-01-02 | D线（欧洲）有限公司 | Cable limiter |
| CN111365527A (en) * | 2020-03-31 | 2020-07-03 | 湖南钒谷新能源技术有限公司 | Pipe clamp |
| CN213072051U (en) * | 2020-10-10 | 2021-04-27 | 北京必可测科技股份有限公司 | Fastener for fixing cable on air cooling island radiating pipe bundle |
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| Publication number | Publication date |
|---|---|
| CN112653048B (en) | 2024-07-26 |
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