CN212137225U - Single-wedge strain clamp for steel-cored aluminum strand - Google Patents
Single-wedge strain clamp for steel-cored aluminum strand Download PDFInfo
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- CN212137225U CN212137225U CN202020926799.8U CN202020926799U CN212137225U CN 212137225 U CN212137225 U CN 212137225U CN 202020926799 U CN202020926799 U CN 202020926799U CN 212137225 U CN212137225 U CN 212137225U
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- wedge
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Abstract
The utility model discloses a steel-cored aluminum conductor single wedge type strain clamp, including the strain clamp body, strain clamp body fixed surface installs the strengthening rib, strain clamp body left end upper portion and right-hand member upper portion movable mounting have a link plate and No. two link plates respectively, the common screw thread of link plate and No. two link plates upper portion installs fastener, the equal fixed mounting in strain clamp body left end upper portion and right-hand member lower part has connecting device. The single-wedge strain clamp for the steel-cored aluminum strand, which is disclosed by the utility model, is matched with a fastening device for tightening and installing the wedge-shaped convex teeth, so that the connection between a wire and a strain clamp body is firmer, and the problem that the matched insulating strain clamp for the aluminum strand cannot continuously clamp the wire made of the steel-cored aluminum strand is avoided; the distance between the threaded hole formed in the boss and the interior of the wedge-shaped groove is constant, so that burrs on the connecting hole and the bolt are prevented from scratching the wedge-shaped inner core, and potential safety hazards are avoided.
Description
Technical Field
The utility model relates to an electric power fitting technical field, in particular to steel-cored aluminum strand wires are with single wedge type strain clamp.
Background
At present, the requirement of power supply reliability for power consumers is higher and higher, and the upgrading and modification of a power system are accelerated by degrees in recent years. Particularly, the steel-cored aluminum strand overhead insulated cable is more and more widely used, and although the steel-cored aluminum strand overhead insulated cable is used, the transmission span is increased, the hardware used by the cable at present is still the matching hardware of the aluminum strand overhead insulated cable. However, the steel-cored aluminum strand has higher quality compared with the conventional aluminum strand, a wire made of the steel-cored aluminum strand cannot be continuously clamped by using a matched insulating strain clamp for the aluminum strand, the wire is very easy to loosen, and meanwhile, the construction is inconvenient due to a hardware tool with heavier quality; in addition, in the prior art, the connecting holes of the connecting bolts are arranged on the two sides of the wedge-shaped strain clamp and are communicated with the wedge-shaped groove of the clamp, so that burrs on the connecting holes and the bolts easily scratch a wedge-shaped inner core when the wedge-shaped strain clamp is used, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel-cored aluminum strand wires are with single wedge type strain clamp can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a single wedge type strain clamp for steel-cored aluminum strand wires, includes the strain clamp body, strain clamp body lower extreme fixedly connected with connector, strain clamp body surface fixed mounting has the strengthening rib, strain clamp body left end upper portion and right-hand member upper portion movable mounting have a link plate and No. two link plates respectively, a bolt is installed to the equal screw thread in link plate and No. two link plate lower parts, and a bolt is inside all with strain clamp body upper portion threaded connection, fastener is installed to the common screw thread in link plate and No. two link plate upper portions, the equal fixed mounting in strain clamp body left end upper portion and right-hand member lower part has connecting device.
Preferably, a mounting hole is formed in the upper portion of each of the first hanging plate and the second hanging plate, a fastening device is installed in the mounting hole in a threaded mode, a mounting hole is formed in the lower portion of each of the first hanging plate and the second hanging plate, and a square hollow groove is formed in the middle of each of the first hanging plate and the second hanging plate.
Preferably, the fastening device comprises a screw and a second bolt, the second bolt is installed on the left part of the screw in a threaded mode, a closed pin is movably inserted in the left side of the screw, and the left end of the screw penetrates through the upper portions of the second hanging plate and the first hanging plate in sequence.
Preferably, the connecting device comprises a boss, threaded holes are formed in the boss, threaded sleeves are fixedly mounted in the threaded holes, connecting holes are formed in the threaded sleeves, and the boss is located on the lower side of the left end and the lower side of the right end of the strain clamp body respectively.
Preferably, the inside wedge-shaped groove that opens of strain clamp body, wedge-shaped inslot wall is carved with a plurality of wedge dogteeth, connecting device all is located the wedge-shaped groove outside.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses in, turn round tightly through the fastener cooperation, can carry out the secondary to the wire and fix, and the frictional force between wedge dogtooth multiplicable and the wire for the connection between wire and the strain clamp body is more firm, and the supporting insulating strain clamp of avoiding aluminum stranded conductor to use can not last the chucking with the wire that steel-cored aluminum strand wires made.
(2) In the utility model, the bolt is prevented from protruding into the wedge-shaped groove of the cable clamp through the fixed distance between the threaded hole arranged on the boss and the inner part of the wedge-shaped groove, so that burrs on the connecting hole and the bolt scratch the wedge-shaped inner core, thereby protecting the wedge-shaped inner core and avoiding the occurrence of potential safety hazards; and the hollow structure arranged on the scraper can reduce the quality of the strain clamp and is convenient for installation and construction of the lead.
Drawings
FIG. 1 is a schematic view of an overall structure of a single wedge type strain clamp for a steel-cored aluminum strand of the present invention;
FIG. 2 is a side view of a single wedge type strain clamp for a steel-cored aluminum strand of the present invention;
FIG. 3 is a schematic view of an installation structure of a fastening device of a single wedge type strain clamp for steel-cored aluminum strands according to the present invention;
fig. 4 is a schematic cross-sectional view of the single wedge strain clamp for steel-cored aluminum strand of the present invention.
In the figure: 1. a strain clamp body; 2. reinforcing ribs; 3. a connector; 4. a first hanging plate; 5. a second hanging plate; 6. a fastening device; 7. a first bolt; 8. a connecting device; 9. a wedge-shaped convex tooth; 10. a wedge-shaped groove; 51. hollowing out the grooves; 52. a first mounting hole; 53. a second mounting hole; 61. a screw; 62. a closed pin; 63. a second bolt; 81. a boss; 82. connecting holes; 83. a threaded sleeve; 84. a threaded bore.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a single wedge type strain clamp for steel-cored aluminum strand, including strain clamp body 1, 1 lower extreme fixedly connected with connector 3 of strain clamp body, 1 outer fixed surface of strain clamp body installs strengthening rib 2, 1 left end upper portion of strain clamp body and right-hand member upper portion movable mounting have link plate 4 and No. two link plates 5 respectively, equal threaded mounting has bolt 7 No. one in link plate 4 and No. two link plates 5 lower parts, and bolt 7 is inside all with 1 upper portion threaded connection of strain clamp body, fastener 6 is installed to the common threaded mounting in link plate 4 and No. two link plates 5 upper portions, 1 left end upper portion of strain clamp body and the equal fixed mounting in right-hand member lower part have connecting device 8.
Further, No. 4 link plates and No. 5 link plates upper portions all opened the mounting hole 52, and fastener 6 is installed to a mounting hole 52 internal thread, and No. 4 link plates and No. 5 link plate lower parts all opened No. two mounting holes 53, and No. 4 link plates and No. 5 link plates middle parts all opened square fretwork groove 51, and the fretwork groove 51 that opens on two link plates can alleviate the link plate quality, is convenient for construct the installation.
Further, fastener 6 includes screw 61 and No. two bolts 63, and No. two bolts 63 are installed to screw 61 left part screw thread, and screw 61 left side activity is pegged graft there is closed round pin 62, and closed round pin 62 can carry out the secondary to the wire and fix, guarantees the connection effect of wire, and No. two link plates 5 and No. 4 upper portions of link plate are run through in proper order to the screw 61 left end.
Further, connecting device 8 includes boss 81, all opens threaded hole 84 on the boss 81, and the inside equal fixed mounting of threaded hole 84 has swivel nut 83, and swivel nut 83 is steel wire swivel nut 83, can guarantee and the link plate between joint strength, all opens connecting hole 82 in the swivel nut 83, and boss 81 is located strain clamp body 1 left end downside and right-hand member downside respectively.
Further, the tension clamp body 1 is internally provided with a wedge-shaped groove 10, a plurality of wedge-shaped convex teeth 9 are carved on the inner wall of the wedge-shaped groove 10, the friction between the plurality of wedge-shaped convex teeth 9 and the wire can be increased, and the connecting device 8 is located on the outer side of the wedge-shaped groove 10.
It should be noted that, the utility model relates to a single wedge type strain clamp for steel-cored aluminum strand, during the use, the wire is placed in the wedge-shaped groove 10, and is matched with the fastening device 6 to be twisted tightly, so as to fix the wire for the second time, and the wedge-shaped convex teeth 9 can increase the friction force between the wire and ensure that the connection between the wire and the strain clamp body 1 is firmer by the wedge-shaped convex teeth 9 arranged in the wedge-shaped groove 10; the threaded hole 84 arranged on the boss 81 is not communicated with the interior of the wedge-shaped groove 10 and is at a certain distance, so that the bolt is prevented from protruding into the wedge-shaped groove of the wire clamp when being screwed into the rear end part of the connecting hole 82, the connecting hole 82 and burrs on the bolt are prevented from scratching a wedge-shaped inner core, the wedge-shaped inner core is protected, and potential safety hazards are avoided; and the swivel nut 83 of connecting in the screw hole 84 is the rigid wire swivel nut 83 to guarantee the intensity of connecting, and the hollow out construction that sets up on the scraper blade can alleviate strain clamp quality, is convenient for carry out the installation construction to the wire.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a steel core aluminum stranded conductor is with single wedge type strain clamp, includes strain clamp body (1), its characterized in that: the utility model discloses a strain clamp, including strain clamp body (1), link plate (4), link plate (5), fastener (6), fastener (1) lower extreme fixedly connected with connector (3), the outer fixed surface of strain clamp body (1) installs strengthening rib (2), strain clamp body (1) left end upper portion and right-hand member upper portion movable mounting have link plate (4) and No. two link plates (5) respectively, the equal threaded mounting in link plate (4) and No. two link plates (5) lower part has bolt (7), and bolt (7) inside all with strain clamp body (1) upper portion threaded connection, fastener (6) are installed to the common screw thread in link plate (4) and No. two link plates (5) upper portion, the equal fixed mounting in strain clamp body (1) left end upper portion and right-hand member lower part has connecting device (8.
2. The single wedge strain clamp for the steel-cored aluminum strand as recited in claim 1, wherein: no. one mounting hole (52) has all been opened on link plate (4) and No. two link plates (5) upper portion, fastener (6) have been installed to a mounting hole (52) internal thread, No. two mounting holes (53) have all been opened to link plate (4) and No. two link plates (5) lower part, No. one link plate (4) and No. two link plates (5) middle part have all been opened square fretwork groove (51).
3. The single wedge strain clamp for the steel-cored aluminum strand as recited in claim 1, wherein: fastener (6) include screw (61) and No. two bolt (63), No. two bolt (63) are installed to screw (61) left part screw thread, screw (61) left side activity is pegged graft and is had closed round pin (62), No. two link plate (5) and link plate (4) upper portion are run through in proper order to screw (61) left end.
4. The single wedge strain clamp for the steel-cored aluminum strand as recited in claim 1, wherein: connecting device (8) include boss (81), threaded hole (84) all have been opened on boss (81), threaded hole (84) inside equal fixed mounting has swivel nut (83), connecting hole (82) have all been opened in swivel nut (83), boss (81) are located strain clamp body (1) left end downside and right-hand member downside respectively.
5. The single wedge strain clamp for the steel-cored aluminum strand as recited in claim 1, wherein: the strain clamp is characterized in that a wedge-shaped groove (10) is formed in the strain clamp body (1), a plurality of wedge-shaped convex teeth (9) are carved on the inner wall of the wedge-shaped groove (10), and the connecting device (8) is located on the outer side of the wedge-shaped groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926799.8U CN212137225U (en) | 2020-05-28 | 2020-05-28 | Single-wedge strain clamp for steel-cored aluminum strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926799.8U CN212137225U (en) | 2020-05-28 | 2020-05-28 | Single-wedge strain clamp for steel-cored aluminum strand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212137225U true CN212137225U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020926799.8U Active CN212137225U (en) | 2020-05-28 | 2020-05-28 | Single-wedge strain clamp for steel-cored aluminum strand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991576A (en) * | 2021-11-09 | 2022-01-28 | 国网山东省电力公司高密市供电公司 | Overhead line multi-path wire clamp |
-
2020
- 2020-05-28 CN CN202020926799.8U patent/CN212137225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991576A (en) * | 2021-11-09 | 2022-01-28 | 国网山东省电力公司高密市供电公司 | Overhead line multi-path wire clamp |
| CN113991576B (en) * | 2021-11-09 | 2024-04-12 | 国网山东省电力公司高密市供电公司 | Multi-channel wire clamp for overhead line |
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