CN221262002U - Fireproof cable for thermal power station - Google Patents
Fireproof cable for thermal power station Download PDFInfo
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- CN221262002U CN221262002U CN202322874488.8U CN202322874488U CN221262002U CN 221262002 U CN221262002 U CN 221262002U CN 202322874488 U CN202322874488 U CN 202322874488U CN 221262002 U CN221262002 U CN 221262002U
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- thermal power
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000008093 supporting effect Effects 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000009970 fire resistant effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
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- 239000000446 fuel Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a fireproof cable for a thermal power station, which comprises a power transmission cable main body, wherein a sheath piece for fireproof and flame retardation is arranged on the outer side of the power transmission cable main body, an outer ring sleeve frame is arranged on the outer ring sleeve frame, and a mounting mechanism for multi-point mounting is arranged on the outer ring sleeve frame.
Description
Technical Field
The utility model relates to the technical field of fireproof and firefighting cables, in particular to a fireproof cable for a thermal power station.
Background
Modern thermal power stations are factories that utilize combustibles (e.g., coal) as fuel to produce electrical energy, and the basic production process is: the fuel heats water to generate steam when being combusted, chemical energy of the fuel is converted into heat energy, steam pressure pushes the steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives the generator to rotate, so that the mechanical energy is converted into electric energy.
The cable for the existing thermal power station still has certain defects: the cable of the existing thermal power station can be installed on a cable trench and various towers generally, but the cable for the existing thermal power station is not provided with a supporting structure for various installation environments, cannot adapt to various installation environments, and meanwhile, because the environmental temperature inside the thermal power station is high, the temperature can be generated during power transmission, the cable inside the thermal power station needs enough fireproof and flame-retardant, so that the safety of power transmission can be guaranteed.
Disclosure of utility model
The utility model aims to provide a fireproof cable for a thermal power station, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire prevention cable for thermal power station, includes the transmission cable main part, the transmission cable main part outside is provided with the sheath spare that is used for fire prevention fire-retardant, the sheath spare outside is provided with outer loop frame, be provided with the installation mechanism that is used for the multiple spot position to install on the outer loop frame.
Preferably, the mounting mechanism comprises a mounting seat, an inward sinking groove, a clamping frame, a buffer spring, locking studs and a supporting component, wherein the two mounting seats are symmetrically arranged on two side frames of the outer ring sleeve frame for a group of lenses, the two inward sinking grooves are respectively formed in a group at the upper end and the lower end of the edge of the mounting seat, the clamping frame is movably mounted at the edge of the mounting seat, the clamping frame penetrates through the two inward sinking grooves, the buffer spring is arranged between the clamping frame and the inward sinking groove, the two locking studs are symmetrically arranged on two sides of the end parts of the clamping frame for a group of lenses, and the supporting component is arranged at the bottom end of the outer ring sleeve frame.
Preferably, the clamping frame comprises a movable vertical rod penetrating through the inward sinking groove at the end part of the mounting seat in the vertical direction and a transverse plate frame fixedly arranged at two ends of the movable vertical rod, the buffer spring is arranged on the outer side of the movable vertical rod part of the clamping frame in a surrounding mode, one end of the buffer spring is connected with the inner wall of the inward sinking groove, and the other end of the buffer spring is connected with the transverse plate frame part of the clamping frame.
Preferably, two movable vertical rod parts of the clamping frame are arranged in parallel, and two buffer springs are arranged outside the two movable vertical rods of the clamping frame respectively.
Preferably, the end part of the locking stud is fixedly provided with a backing plate for increasing friction and contact area, and the specific material of the backing plate is rubber.
Preferably, the support assembly comprises a support frame and opposite locking columns, wherein the support frame is fixedly arranged at the bottom end of the outer ring sleeve frame, and the two opposite locking columns are symmetrically arranged on the bottom end frame body of the support frame for a group of mirrors.
Preferably, the sheath piece comprises a fire-resistant layer, an insulating sleeve, an oxygen-insulating layer and an outer structure protecting sleeve, wherein the fire-resistant layer is sleeved outside the main body of the power transmission cable, the insulating sleeve is sleeved outside the fire-resistant layer, the oxygen-insulating layer is sleeved outside the insulating sleeve, and the outer structure protecting sleeve is sleeved outside the oxygen-insulating layer.
Preferably, the outer structure protective sleeve comprises an inner sheath, a steel belt and an outer sheath, wherein the inner sheath is attached to the outer side of the oxygen isolation layer, the outer sheath is attached to the outer side of the inner sheath, and the steel belt is arranged between the inner sheath and the outer sheath.
The utility model has the technical effects and advantages that:
1. when the cable is used, the transverse plate frames at the upper end and the lower end of the clamping frame are respectively positioned at the upper end and the lower end of the mounting point, and the locking studs are screwed in, so that the base plate at the end part of the locking studs is extruded at the upper end and the lower end of the mounting point, after the clamping frame and the locking studs are used for finishing the installation, the buffer spring can be used for buffering and damping the main body of the power transmission cable, the cable is better protected, the opposite locking columns at the lower end of the supporting frame can be used for finishing the installation again at the lower end of the cable, the cable is supported, and the cable is better stabilized on the cable pit and the tower.
2. When the cable is used, the fire-resistant layer, the insulating sleeve and the oxygen-isolating layer at the outer side of the main body of the power transmission cable are utilized to play a role in protecting the cable, and meanwhile, the inner sheath, the steel belt and the outer sheath are arranged at the outer side, so that the shaping and supporting effects on the cable can be achieved, and the fireproof effect of the cable is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A;
FIG. 3 is a schematic view of another embodiment of the present utility model;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
FIG. 5 is a top view of the present utility model;
Fig. 6 is a cross-sectional view in the direction C-C of fig. 4.
In the figure: 1. a power transmission cable body; 2. a sheathing member; 201. a refractory layer; 202. an insulating sleeve; 203. an oxygen barrier layer; 3. an outer ring sleeve frame; 4. a mounting mechanism; 401. a mounting base; 402. an invagination groove; 403. a clamping frame; 404. a buffer spring; 405. locking the stud; 5. a support assembly; 501. a support frame; 502. opposite locking columns; 6. a backing plate; 7. an outer structural protective sleeve; 701. an inner sheath; 702. a steel strip; 703. an outer sheath.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a fire prevention cable for thermal power station, includes transmission cable main part 1, and transmission cable main part 1 outside is provided with and is used for fire prevention fire-retardant sheath piece 2, and the sheath piece 2 outside is provided with outer loop frame 3, is provided with the installation mechanism 4 that is used for the multiple spot position to install on the outer loop frame 3.
The mounting mechanism 4 comprises a mounting seat 401, an inward sinking groove 402, a clamping frame 403, a buffer spring 404, locking studs 405 and a supporting component 5, wherein the two mounting seats 401 are symmetrically arranged on two side frame bodies of the outer ring sleeve frame 3 for a group of mirrors, the two inward sinking grooves 402 are respectively arranged at the upper end and the lower end of the edge of the mounting seat 401, the clamping frame 403 is movably arranged at the edge of the mounting seat 401, the clamping frame 403 penetrates through the two inward sinking grooves 402, the buffer spring 404 is arranged between the clamping frame 403 and the inward sinking grooves 402, the two locking studs 405 are symmetrically arranged at two sides of the end parts of the clamping frame 403 for a group of mirrors, and the supporting component 5 is arranged at the bottom end of the outer ring sleeve frame 3.
The clamping frame 403 comprises a movable vertical rod penetrating through the inward recess 402 at the end part of the mounting seat 401 in the vertical direction and a transverse plate frame fixedly arranged at two ends of the movable vertical rod, the buffer spring 404 is arranged on the outer side of the movable vertical rod part of the clamping frame 403 in a surrounding mode, one end of the buffer spring 404 is connected with the inner wall of the inward recess 402, and the other end of the buffer spring 404 is connected with the transverse plate frame part of the clamping frame 403.
Two movable vertical rod parts of the clamping frame 403 are arranged in parallel, and two buffer springs 404 are arranged outside the two movable vertical rods of the clamping frame 403.
The end of the locking stud 405 is fixedly provided with a backing plate 6 for increasing friction and contact area, and the backing plate 6 is made of rubber.
The support assembly 5 comprises a support frame 501 and opposite locking columns 502, wherein the support frame 501 is fixedly arranged at the bottom end of the outer ring sleeve frame 3, and the opposite locking columns 502 are symmetrically arranged on the bottom end frame body of the support frame 501 for a group of mirrors.
When the cable fixing device is used, the transverse plate frames at the upper end and the lower end of the clamping frame 403 are respectively located at the upper end and the lower end of the mounting point, the locking studs 405 are screwed in, the backing plate 6 at the end of the locking studs 405 is extruded at the upper end and the lower end of the mounting point, after the clamping frame 403 and the locking studs 405 are used for completing the mounting, the buffer spring 404 can form a buffer and damping space between the clamping frame 403 and the invagination groove 402, a cable is better protected, meanwhile, the opposite locking column 502 at the lower end of the supporting frame 501 is used for completing the mounting again by the lower end of the cable, the cable is supported, the cable is better stabilized on a cable trench and a tower, and the mounting position can be determined according to the mounting condition through the mounting mechanism 4 and the supporting component 5 in the three directions outside the outer ring sleeve frame 3, so that the applicability is better.
Example 2
Referring to fig. 1 to 6, based on the above embodiment 1, the protection member 2 includes a refractory layer 201, an insulating sleeve 202, an oxygen-insulating layer 203 and an outer structure protection sleeve 7, wherein the refractory layer 201 is sleeved outside the transmission cable main body 1, the insulating sleeve 202 is sleeved outside the refractory layer 201, the oxygen-insulating layer 203 is sleeved outside the insulating sleeve 202, and the outer structure protection sleeve 7 is sleeved outside the oxygen-insulating layer 203.
The outer structure protective sleeve 7 comprises an inner sheath 701, a steel belt 702 and an outer sheath 703, wherein the inner sheath 701 is attached to the outer side of the oxygen barrier 203, the outer sheath 703 is attached to the outer side of the inner sheath 701, and the steel belt 702 is arranged between the inner sheath 701 and the outer sheath 703.
In use, the fire-resistant layer 201, the insulating sleeve 202 and the oxygen barrier 203 outside the power transmission cable main body 1 are utilized to play roles in protecting the cable and preventing fire, and meanwhile, the inner sheath 701, the steel belt 702 and the outer sheath 703 are arranged outside and can play roles in shaping and supporting the cable.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fire prevention cable for thermal power station, includes transmission cable main part (1), its characterized in that, transmission cable main part (1) outside is provided with and is used for fire prevention fire-retardant sheath piece (2), sheath piece (2) outside is provided with outer loop frame (3), be provided with on outer loop frame (3) and be used for installing installation mechanism (4) of multiple spot position.
2. The fireproof cable for a thermal power station according to claim 1, wherein the mounting mechanism (4) comprises a mounting seat (401), an inward sinking groove (402), a clamping frame (403), a buffer spring (404), locking studs (405) and a supporting component (5), the two mounting seats (401) are symmetrically arranged on two side frames of the outer ring sleeve frame (3) for a group of mirrors, the two inward sinking grooves (402) are respectively arranged at the upper end and the lower end of the edge of the mounting seat (401), the clamping frame (403) is movably arranged at the edge of the mounting seat (401), the clamping frame (403) penetrates through the two inward sinking grooves (402), the buffer spring (404) is arranged between the clamping frame (403) and the inward sinking groove (402), the two locking studs (405) are symmetrically arranged at two sides of the end of the clamping frame (403) for a group of mirrors, and the supporting component (5) is arranged at the bottom end of the outer ring sleeve frame (3).
3. The fire-proof cable for thermal power station according to claim 2, wherein the clamping frame (403) comprises a movable vertical rod penetrating through the inward recess (402) at the end part of the mounting seat (401) in the vertical direction and a transverse plate frame fixedly arranged at two ends of the movable vertical rod, the buffer spring (404) is arranged around the outer side of the movable vertical rod part of the clamping frame (403), one end of the buffer spring (404) is connected with the inner wall of the inward recess (402), and the other end of the buffer spring is connected with the transverse plate frame part of the clamping frame (403).
4. A fire protection cable for a thermal power station according to claim 3, wherein two movable vertical rods of the clamping frame (403) are arranged in parallel, and two buffer springs (404) are arranged outside the two movable vertical rods of the clamping frame (403).
5. A fire protection cable for a thermal power station according to claim 2, characterized in that the end of the locking stud (405) is fixedly provided with a pad (6) for increasing friction and contact area, and the specific material of the pad (6) is rubber.
6. A fire protection cable for a thermal power station according to claim 2, characterized in that the supporting component (5) comprises a supporting frame (501) and opposite locking columns (502), the supporting frame (501) is fixedly arranged at the bottom end of the outer ring sleeve frame (3), and the opposite locking columns (502) are arranged on the bottom end frame body of the supporting frame (501) for a group of lens pairs.
7. The fire-proof cable for a thermal power station according to claim 1, wherein the sheath member (2) comprises a fire-resistant layer (201), an insulating sleeve (202), an oxygen-insulating layer (203) and an outer structure protecting sleeve (7), the fire-resistant layer (201) is sleeved outside the main body (1) of the power transmission cable, the insulating sleeve (202) is sleeved outside the fire-resistant layer (201), the oxygen-insulating layer (203) is sleeved outside the insulating sleeve (202), and the outer structure protecting sleeve (7) is sleeved outside the oxygen-insulating layer (203).
8. The fire-proof cable for a thermal power station according to claim 7, wherein the outer structure protective sleeve (7) comprises an inner sheath (701), a steel belt (702) and an outer sheath (703), the inner sheath (701) is arranged on the outer side of the oxygen barrier layer (203), the outer sheath (703) is arranged on the outer side of the inner sheath (701), and the steel belt (702) is arranged between the inner sheath (701) and the outer sheath (703).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221262002U true CN221262002U (en) | 2024-07-02 |
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| GR01 | Patent grant |