CN114890295A - Connection and hoisting structure of photovoltaic system transmission cable - Google Patents
Connection and hoisting structure of photovoltaic system transmission cable Download PDFInfo
- Publication number
- CN114890295A CN114890295A CN202210541506.8A CN202210541506A CN114890295A CN 114890295 A CN114890295 A CN 114890295A CN 202210541506 A CN202210541506 A CN 202210541506A CN 114890295 A CN114890295 A CN 114890295A
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- Prior art keywords
- hole
- fixing
- photovoltaic system
- connection
- system transmission
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a connecting and hoisting structure of a photovoltaic system transmission cable, which belongs to the field of electric cable installation and comprises splicing blocks which can be mutually spliced, wherein a fixing ring is connected below the splicing blocks, two protective sleeves which are mutually connected in a threaded manner and internally provided with cavities are arranged in the fixing ring, cable joints are fixed in the protective sleeves for connection, and hoisting can be realized when fixing bolts on the splicing blocks are provided with lifting hooks. The structure of the invention effectively isolates temperature and insulation effect while enhancing the sealing property, has simple operation, high working efficiency and beautiful structure, and is convenient for subsequent monitoring and maintenance.
Description
Technical Field
The invention relates to the field of electric cable installation, in particular to a connecting and hoisting structure of a photovoltaic system transmission cable.
Background
The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and has a gradually increasing proportion in the power line. When using cable transmission electric energy, for improving transmission efficiency, guarantee the connection stability between the cable joint, when the cable is built to the iron tower or high-rise building cabling, need hoist and mount the cable.
The main technical problem of the connection and hoisting structure of the existing electric cable is that the cable joint in the prior art is troublesome in actual operation due to the simple structure and needs a plurality of procedures for installation, so that the working efficiency is greatly reduced in use. The structure of the enhancement centre gripping effect that adopts among the prior art realizes the centre gripping after consolidating when using, but it appears dropping very easily under the not good condition of reinforcing effect for can't satisfy required among the prior art when using. Therefore, an electric cable connecting and hoisting structure which is convenient to operate, good in sealing performance, easy to fixedly install and convenient to monitor and maintain is needed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a connecting and hoisting structure of a photovoltaic system power transmission cable, which realizes insulated connection with good sealing performance and hoisting and fixing with simple operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a connecting and hoisting structure of a photovoltaic system transmission cable comprises a fixing mechanism, a protecting mechanism and a locking mechanism, wherein the fixing mechanism comprises a splicing block, one end of the splicing block is provided with a clamping groove, the other end of the splicing block is provided with a clamping block, the clamping groove and the clamping block are mutually matched, the protecting mechanism comprises a fixing ring, the fixing ring is fixedly connected to the lower part of the splicing block, a first protecting sleeve is fixedly connected inside the fixing ring, one end of the first protecting sleeve is provided with a groove, the inner side of the groove is provided with an internal thread, the fixing ring is movably connected with a second protecting sleeve, one end of the second protecting sleeve is provided with an external thread, the internal thread and the external thread in the groove are mutually installed in a threaded manner, cavities for placing cable joints are respectively arranged inside the first protecting sleeve and the second protecting sleeve, a first injection hole is arranged on the side surface of the first protecting sleeve, which extends out of the fixing ring, a second injection hole is arranged on the side surface of the second protecting sleeve, which extends out of the fixing ring, high-temperature-resistant glue is injected into the cavity through the first injection molding hole and the second injection molding hole.
The technical scheme of the invention is further improved as follows: and sealing rings are arranged at the non-threaded end cavity ports of the first protective sleeve and the second protective sleeve and are in contact with the cable.
The technical scheme of the invention is further improved as follows: the clamping block is provided with a second through hole in a communicating mode, the upper end and the lower end of the clamping groove are provided with first through holes in a communicating mode, the first through holes correspond to the second through holes in position, and the diameters of the first through holes and the second through holes are equal.
The technical scheme of the invention is further improved as follows: a fixing bolt penetrates through the first through hole and the second through hole, a fixing nut matched with threads is movably connected onto the fixing bolt, and a placing hole for placing the head of the fixing bolt is formed in the first through hole in the bottom surface of the splicing block.
The technical scheme of the invention is further improved as follows: the bottom in the groove of draw-in groove is opened has a plurality of mounting holes, and the bottom fixedly connected with spring of mounting hole, the top fixedly connected with locating pin of spring, and the locating hole has been seted up to the side of fixture block, and the locating hole corresponds with the position of locating pin, and the diameter equals.
The technical scheme of the invention is further improved as follows: the fixing bolt is provided with a hook.
The technical scheme of the invention is further improved as follows: the lower part of the splicing block is an inward concave arc surface with a downward opening, and the radian of the fixing ring is matched with the arc surface at the lower part of the splicing block.
Due to the adoption of the technical scheme, the invention has the technical progress that:
put respectively in first protective sheath and second protective sheath cavity through the joint with the cable, and carry out threaded connection through the internal thread in external screw thread and the recess, sealing washer fixed connection cable through first protective sheath and second protective sheath both ends, ensure to form encapsulated situation's airtight space in first protective sheath and the second protective sheath, protect the cable switch-on, and inject high temperature resistant glue into the cavity of first protective sheath and second protective sheath through first hole of moulding plastics and second hole of moulding plastics, when making its whole strengthen its leakproofness when using, effectually isolated temperature and insulating effect carry out, operate more simply, improve work efficiency.
According to the user demand, go into the draw-in groove with adjacent fixed establishment's fixture block card, splice the installation to stranded cable, when needing to hoist the cable, change fixing bolt into the bolt that has the lifting hook, conveniently hoist the cable, when installing the cable simultaneously, will fix in preset position through fixing bolt equally, install, when increasing pleasing to the eye, convenient follow-up maintenance to the cable is overhauld.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic view of the overall mechanism;
FIG. 2 is a schematic view of the securing mechanism;
FIG. 3 is an exploded view of the securing mechanism structure;
FIG. 4 is an exploded view of the protective mechanism;
marked in the figure as comprising 1, a fixing mechanism, 101, a splicing block, 102, a first through hole, 103, a positioning pin, 104, a clamping groove, 105, a clamping block, 106, a second through hole, 107, a positioning hole, 108, a placing hole, 109, a spring, 110, a mounting hole, 2, a protection mechanism, 201, a fixing ring, 202, a first injection molding hole, 203, a first protective sleeve, 204, a second protective sleeve, 205, an internal thread, 206, an external thread, 207, a second injection molding hole, 3, a locking structure, 301, a fixing bolt, 302 and a fixing nut.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example one
The utility model provides a connection and hoisting structure of photovoltaic system transmission cable, includes fixed establishment 1, protection machanism 2 and locking mechanism 3, and fixed establishment 1 is as shown in fig. 2 fig. 3, and fixed establishment includes splice 101, and draw-in groove 104 is seted up to splice 101's one end, and fixture block 105 is seted up to one end, and draw-in groove 104 and fixture block 105 shape size agree with each other, and the same a plurality of splice 101 can be pegged graft the combination each other. The top end of the clamping block 105 is provided with a second through hole 106, the upper end and the lower end of the clamping groove 104 are provided with a first through hole 102 corresponding to the position of the second through hole 106, a fixing bolt 301 is connected between the first through hole 102 and the second through hole 106 in a penetrating manner, a fixing nut 302 matched with threads is movably connected to the fixing bolt 301, and a placing hole 108 is formed in the bottom surface of the splicing block 101 corresponding to the head position of the fixing bolt 301. Six mounting holes 110 are formed in the bottom end of the clamping groove 104, springs 109 are fixedly connected to the bottom ends of the mounting holes 110, positioning pins 103 are fixedly connected to the top ends of the springs 109, positioning holes 107 are formed in the side faces of the clamping blocks 105 corresponding to the positioning pins 103, when the clamping blocks 105 are clamped into the clamping groove 104, the springs 109 push the positioning pins 103 to be inserted into the positioning holes 107, and position deviation of adjacent splicing blocks 101 is prevented when the splicing blocks are mounted.
Protection machanism 2 is as shown in fig. 4, including solid fixed ring 201, gu fixed ring 201 fixed connection is in the concave surface of splice 101 lower part, gu fixed ring 201's inboard fixedly connected with first protective sheath 203, the one end of first protective sheath is seted up flutedly, be equipped with internal thread 205 in the recess, gu fixed ring 201's inboard swing joint has second protective sheath 204, the one end of second protective sheath 204 is equipped with external screw thread 206, external screw thread 206 and the mutual threaded mounting of recess internal thread 205, the inside of first protective sheath 203 and second protective sheath 204 all is equipped with the cavity, the side that first protective sheath 203 stretches out outside solid fixed ring is equipped with first injection hole 202, the side that second protective sheath 204 stretches out outside solid fixed ring is equipped with second injection hole 207, the non-thread one end of first protective sheath 203 and second protective sheath 204 is provided with the sealing washer, sealing washer and cable contact.
The integral mechanism is shown in fig. 1, the protection mechanism 2 is fixed at the lower part of the fixing mechanism 1, and the locking mechanism 3 locks and fixes the connecting blocks 101 which are connected with each other. Put the joint of cable respectively in first protective sheath 203 and second protective sheath 204 cavity, and carry out threaded connection through internal thread 205 in external screw thread 206 and the recess, sealing washer fixed connection cable through first protective sheath and second protective sheath both ends, ensure to form airtight space of encapsulated situation in first protective sheath 203 and the second protective sheath 204, protect the cable switch-on, and inject high temperature resistant glue into the cavity of first protective sheath 203 and second protective sheath 204 through first injection hole 202 and second injection hole 207, when making its whole when strengthening its leakproofness when using, effectual isolated temperature and insulating effect carry out. The operation is simpler, and the working efficiency is improved.
Example two
According to the use requirement, the fixture block 105 of the adjacent fixing mechanism 1 is inserted into the fixture slot 104, the fixing bolt 301 passes through the first through hole 102 and the second through hole 106, the fixing nut 302 is screwed, and the multi-strand cable is spliced and installed. When the cable needs to be hoisted, the fixing bolt 301 is replaced by the bolt with the lifting hook, the cable is conveniently hoisted, and meanwhile, when the cable is installed, the cable is fixed at a preset position through the fixing bolt 301, so that the appearance is attractive, and the subsequent maintenance and overhaul of the cable are convenient.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a connection and hoisting structure of photovoltaic system transmission of electricity cable which characterized in that: the protective device comprises a fixing mechanism (1), a protective mechanism (2) and a locking mechanism (3), wherein the fixing mechanism (1) comprises a splicing block (101), one end of the splicing block (101) is provided with a clamping groove (104), the other end of the splicing block (101) is provided with a clamping block (105), the clamping groove (104) and the clamping block (105) of adjacent splicing blocks (101) are mutually matched and fixedly locked through the locking mechanism (3), the protective mechanism (2) comprises a fixing ring (201), the fixing ring (201) is fixedly connected to the lower part of the splicing block (101), a first protective sleeve (203) is fixedly connected inside the fixing ring, one end of the first protective sleeve (203) is provided with a groove, an internal thread (205) is arranged on the inner side of the groove, a second protective sleeve (204) is movably connected inside the fixing ring, one end of the second protective sleeve (204) is provided with an external thread (206), and the internal thread (205) and the external thread (206) are mutually installed in the groove, the inside of first protective sheath (203) and second protective sheath (204) all is equipped with the cavity that is used for placing cable joint, and the side that first protective sheath (203) stretch out outside the solid fixed ring is equipped with first hole (202) of moulding plastics, the side that second protective sheath (204) stretch out outside the solid fixed ring is equipped with second hole (207) of moulding plastics, injects high temperature resistant glue into the cavity through first hole (202) of moulding plastics and second hole (207) of moulding plastics.
2. The connection and hoisting structure of a photovoltaic system transmission cable according to claim 1, characterized in that: and sealing rings are arranged at the cavity ports of the non-threaded ends of the first protective sleeve (203) and the second protective sleeve (204) and are in contact with the cable.
3. The connection and hoisting structure of a photovoltaic system transmission cable according to claim 1, characterized in that: a second through hole (106) is opened on the clamping block (105), a first through hole (102) is opened at the upper end and the lower end of the clamping groove (104), the positions of the first through hole (102) and the second through hole (106) correspond, and the diameters of the first through hole and the second through hole are equal.
4. A connection and hoisting structure of a photovoltaic system transmission cable according to claim 3, characterized in that: the locking mechanism (3) comprises a fixing bolt (301) and a fixing nut (302), the fixing bolt (301) is connected between the first through hole (102) and the second through hole (106) in a penetrating mode, the fixing bolt (301) is movably connected with the fixing nut (302) matched with threads, and a placing hole (108) for placing the head of the fixing bolt (301) is formed in the position of the first through hole (102) in the bottom face of the splicing block (101).
5. A connection and hoisting structure of a photovoltaic system transmission cable according to claim 3, characterized in that: the bottom in the groove of draw-in groove (104) is opened has a plurality of mounting holes (110), the bottom fixedly connected with spring (109) of mounting hole, the top fixedly connected with locating pin (103) of spring (109), locating hole (107) have been seted up to the side of fixture block (105), the position of locating hole (107) and locating pin (103) corresponds, and the diameter equals.
6. The connection and hoisting structure of a photovoltaic system transmission cable according to claim 4, characterized in that: the fixing bolt (301) is provided with a hook.
7. The connection and hoisting structure of a photovoltaic system transmission cable according to claim 1, characterized in that: the lower part of the splicing block (101) is an inward concave arc surface with a downward opening, and the radian of the fixing ring (201) is matched with the arc surface at the lower part of the splicing block (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210541506.8A CN114890295A (en) | 2022-05-19 | 2022-05-19 | Connection and hoisting structure of photovoltaic system transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210541506.8A CN114890295A (en) | 2022-05-19 | 2022-05-19 | Connection and hoisting structure of photovoltaic system transmission cable |
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| Publication Number | Publication Date |
|---|---|
| CN114890295A true CN114890295A (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210541506.8A Pending CN114890295A (en) | 2022-05-19 | 2022-05-19 | Connection and hoisting structure of photovoltaic system transmission cable |
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| CN (1) | CN114890295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393213A (en) * | 2023-12-12 | 2024-01-12 | 陕西西特电缆有限公司 | Cold-resistant cable |
-
2022
- 2022-05-19 CN CN202210541506.8A patent/CN114890295A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393213A (en) * | 2023-12-12 | 2024-01-12 | 陕西西特电缆有限公司 | Cold-resistant cable |
| CN117393213B (en) * | 2023-12-12 | 2024-02-23 | 陕西西特电缆有限公司 | Cold-resistant cable |
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