CN212063414U

CN212063414U - Insulating strain clamp

Info

Publication number: CN212063414U
Application number: CN202020427572.9U
Authority: CN
Inventors: 陈志财; 章晓鸣; 宋志平; 施存军; 陈新军
Original assignee: Ningbo Fengxin Electric Power Industrial Co ltd
Current assignee: Ningbo Fengxin Electric Power Industrial Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-01
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to an insulating strain clamp, relate to the technical field of electric power fitting, it includes the shell, draw post and installation department be connected with the shell, install first wedge and second wedge on the shell, set up on the shell and supply the installation cavity of first wedge and second wedge installation, be provided with the mounting between first wedge and the second wedge, the mounting includes the spliced pole, connecting block and fixed cover, the integrative setting of spliced pole just stretches out to the direction of second wedge on first wedge, connecting block and the integrative setting of second wedge, set up on the connecting block and supply the spliced pole to wear to establish and with the perforation of spliced pole one-to-one, fixed cover is established and is fixed in on the spliced pole, and fixed cover is contradicted with the connecting block spacing. The utility model discloses have the wedge and be difficult for taking place relative slip's effect more stably when in-service use.

Description

Insulating strain clamp

Technical Field

The utility model belongs to the technical field of the technique of electric power fitting and specifically relates to an insulating strain clamp is related to.

Background

And the strain clamp is used for fixing the lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a hardware fitting on a tower. Strain clamps are commonly used for corner, splice and termination connections.

If the chinese patent of publication number CN206412731U, an insulating strain clamp of wedge is disclosed, which comprises an outer shell, the arm-tie, adjusting bolt, two wedge that pair, two wedge front ends insert in the shell, two wedge rear ends inboard is opened there is the jack, the terminal side of shell is equipped with the connector, set up the nut on the connector, adjusting bolt passes the nut in proper order, insert in the jack behind the connector, the arm-tie is two, and connect in the shell lower part, two arm-ties can be dismantled at the end and connect as an organic wholely, have the installation and fasten the effect that difficult pine takes off more.

The above prior art solutions have the following drawbacks: two wedge blocks that pair insert and install on the shell, and the wedge needs to bear the pulling force of cable, and after long-time the use, the dislocation appears easily in two wedge blocks to relative slip takes place for the production, reduces strain clamp's result of use, improved space in addition.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an insulating strain clamp to the not enough of prior art existence for the wedge is difficult for taking place relative slip more stably when in-service use.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an insulating strain clamp, includes the shell, be connected with the shell draw post and installation department, install first wedge and second wedge on the shell, offer on the shell and supply the installation cavity of first wedge and second wedge installation, be provided with the mounting between first wedge and the second wedge, the mounting includes spliced pole, connecting block and fixed cover, the integrative setting of spliced pole is just stretched out to the direction of second wedge on first wedge, connecting block and the integrative setting of second wedge, set up on the connecting block and supply the spliced pole to wear to establish and with the perforation of spliced pole one-to-one, fixed cover is established and is fixed in on the spliced pole, just fixed cover is contradicted spacingly with the connecting block.

Through adopting above-mentioned technical scheme, when installing first wedge and second wedge to the installation cavity, wear out the spliced pole on the first wedge from perforating on the connecting block, and establish fixed cover and fix on the spliced pole, make the fixed column can not drop from the joint piece, improve the stability of being connected between spliced pole and the connecting block, when the in-service use, because the limiting displacement of spliced pole and connecting block, first wedge is difficult for taking place relative slip with the second wedge, improve the stability of first wedge and the installation of second wedge, thereby improve the result of use of strain clamp.

The present invention may be further configured in a preferred embodiment as: the fixed cover is provided with the stopper with the integrative stopper that has been provided with on the inside wall that the spliced pole is contradicted, be provided with the spacing annular of a plurality of confession stopper joints on the spliced pole.

Through adopting above-mentioned technical scheme, stopper and spacing annular are mutually supported, and when fixed cover was established on the spliced pole, during stopper meeting joint to the spacing annular on the spliced pole on fixed cover, through the spacing effect of stopper and spacing annular for fixed cover is difficult for droing from the spliced pole, improves the stability of fixed cover installation.

The present invention may be further configured in a preferred embodiment as: the limiting block is provided with a guide surface, and the guide surface gradually inclines along the sleeving direction of the connecting column arranged on the fixed sleeving.

Through adopting above-mentioned technical scheme, the setting of guide face, when fixed ways sets up the in-process on the spliced pole, the stopper on the fixed cover can earlier with the spliced pole contact, through the guide of guide face, can be more convenient establish fixed ways on the spliced pole, improve the convenience of operation.

The present invention may be further configured in a preferred embodiment as: a fixing groove is formed in one side, abutted against the second wedge-shaped block, of the first wedge-shaped block, and a fixing block inserted into the fixing groove is integrally arranged on the first wedge-shaped block.

Through adopting above-mentioned technical scheme, the fixed block mutually supports with the fixed slot, after first wedge and second wedge are installed to the installation cavity in, the fixed block can insert to the fixed slot in, makes first wedge and second wedge can aim at, and is easy to assemble, further improves work efficiency.

The present invention may be further configured in a preferred embodiment as: draw the post to include erection column and fixed column, the erection column passes through the bolt fastening on the shell, the fixed column is connected on the installation department, the cover is equipped with the installation section of thick bamboo with erection column thread tightening on the fixed column, the one end an organic whole that the installation department was kept away from to the fixed column is provided with the butt piece, one side an organic whole that the installation section of thick bamboo is close to the installation department be provided with the spacing collar of butt piece butt.

Through adopting above-mentioned technical scheme, erection column, fixed column and installation section of thick bamboo are mutually supported, with the strain clamp install to the circuit in after, but the rotatory installation section of thick bamboo of rethread draws together erection column and fixed column to the direction that is close to each other to can further take up the circuit, improve taut effect.

The present invention may be further configured in a preferred embodiment as: the one end an organic whole that the fixed column is close to the installation department is provided with the screw thread post, set up the screw hole that supplies screw thread post thread tightening on the installation department.

Through adopting above-mentioned technical scheme, the screw thread post is mutually supported with the screw hole, and when installing the fixed column to the installation department, only need aim at the screw hole on the installation department with the screw thread post on the fixed column, rotatory fixed column makes the fixed column install to the installation department again on, convenient operation improves the efficiency of fixed column installation.

The present invention may be further configured in a preferred embodiment as: the rotating part has been seted up on the installation section of thick bamboo lateral wall.

Through adopting above-mentioned technical scheme, because the installation section of thick bamboo lateral wall is comparatively smooth, when rotatory installation section of thick bamboo, be difficult to find the impetus on the installation section of thick bamboo lateral wall, and the setting of rotating part can be more convenient find the impetus on the installation section of thick bamboo to can be more convenient rotate the installation section of thick bamboo, improve the convenience of operation.

The present invention may be further configured in a preferred embodiment as: the fixing column is provided with a connecting strip at one end close to the mounting column, and the mounting column is provided with a connecting hole for the connecting strip to be inserted and fixed.

Through adopting above-mentioned technical scheme, connecting strip and connecting hole are mutually supported, lean on when tight each other when fixed column and erection column, and the connecting strip can insert to the connecting hole in, makes fixed column and erection column not take place relative skew owing to receive the limiting displacement of connecting strip and connecting hole, improves the stability of fixed column and erection column installation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the fixing piece is arranged, so that the first wedge-shaped block and the second wedge-shaped block are not easy to slide relatively in actual use, and the clamping effect is improved;

2. the limiting block is matched with the limiting ring groove, so that the fixing sleeve is fixed on the connecting column more conveniently and firmly;

3. the mounting post, the fixing column and the mounting cylinder are matched with each other, so that the line is tensioned more tightly, and the using effect of the strain clamp is improved.

Drawings

Fig. 1 is a schematic structural view of a coiled strain clamp.

Fig. 2 is a schematic structural diagram of a first wedge block and a second wedge block.

Fig. 3 is an exploded view of the first fastener.

Fig. 4 is an exploded view of the second fastener.

Fig. 5 is a schematic cross-sectional view of the harness.

Fig. 6 is an exploded view of the pull stud.

Fig. 7 is an exploded view of the pull stud.

Fig. 8 is a cross-sectional view of a mounting post and a fixing post.

In the figure, 1, a housing; 2. pulling the column; 3. an installation part; 4. a first wedge block; 5. a second wedge block; 6. a mounting cavity; 7. a fixing member; 8. connecting columns; 9. connecting blocks; 10. fixing a sleeve; 11. perforating; 12. a limiting block; 13. a limiting ring groove; 14. a guide surface; 15. a fixed block; 16. fixing grooves; 17. mounting a column; 18. fixing a column; 19. mounting the cylinder; 20. a butting block; 21. a limiting ring; 22. a threaded post; 23. a threaded hole; 24. a rotating part; 25. a connecting strip; 26. and connecting the holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an insulating strain clamp, including shell 1, shell 1 is made for the metal material, and there is post 2 at shell 1 both ends through bolted connection, draws post 2 to be provided with two, draws post 2 to keep away from the one end of shell 1 and is connected with installation department 3, and installation department 3 forms for the setting of arc billet, and installation department 3 draws post 2 with two and mutually supports and form an arc structure. The shell 1 is provided with a first wedge-shaped block 4 and a second wedge-shaped block 5, the first wedge-shaped block 4 and the second wedge-shaped block 5 are both formed by arranging right-angled trapezoid rubber blocks, and the first wedge-shaped block 4 and the second wedge-shaped block 5 are matched with each other to form a parallelogram structure; an installation cavity 6 for installing the first wedge-shaped block 4 and the second wedge-shaped block 5 is formed in the shell 1. In order to enable the first wedge-shaped block 4 and the second wedge-shaped block 5 to be installed in the installation cavity 6 and not to easily slide relatively, a fixing piece 7 is arranged between the first wedge-shaped block 4 and the second wedge-shaped block 5 and used for fixing the first wedge-shaped block 4 and the second wedge-shaped block 5.

Referring to fig. 3 and 4, the fixing member 7 includes a connecting column 8, a connecting block 9 and a fixing sleeve 10, the connecting column 8 is fixed on the first wedge-shaped block 4 through epoxy resin glue and extends out towards the direction of the second wedge-shaped block 5, the connecting block 9 is a rectangular block-shaped structure fixed on the second wedge-shaped block 5 through epoxy resin glue, a through hole 11 for the connecting column 8 to penetrate and correspond to the connecting column 8 one to one is formed in the connecting block 9, and the fixing sleeve 10 is a cylindrical structure made of plastic materials. When in actual use, establish fixed cover 10 cover be fixed in spliced pole 8 on to it is spacing to make fixed cover 10 contradict with connecting block 9, prevents that spliced pole 8 from taking out in perforating 11, thereby makes first wedge 4 and second wedge 5 can not take place relative displacement, improves the stability of first wedge 4 and second wedge 5 when in actual use.

In order to make the first wedge-shaped block 4 and the second wedge-shaped block 5 more stable in practical use, a fixing groove 16 is formed in one side of the first wedge-shaped block 4, which is abutted against the second wedge-shaped block 5; the first wedge 4 is provided with the fixed block 15 that inserts in fixed slot 16 in an organic whole, and fixed block 15 is rectangular massive structure, and after fixed block 15 inserted to fixed slot 16, first wedge 4 and second wedge 5 are difficult for taking place relative displacement owing to receive fixed block 15 and fixed slot 16 spacing, further high first wedge 4 and the stability of second wedge 5 when in-service use.

Referring to fig. 4 and 5, in order to make the fixing sleeve 10 sleeved on the connecting column 8 not easy to fall off, a limiting block 12 is integrally arranged on the inner side wall of the abutting joint of the fixing sleeve 10 and the connecting column 8, and a plurality of limiting ring grooves 13 for clamping the limiting block 12 are arranged on the connecting column 8. After the limiting block 12 on the fixing sleeve 10 is clamped in the limiting ring groove 13, the fixing sleeve 10 is sleeved on the connecting column 8 and is not easy to fall off due to the limiting effect of the limiting block 12 and the limiting ring groove 13.

The limiting block 12 is provided with a guiding surface 14, and the guiding surface 14 gradually inclines along the sleeving direction of the fixing sleeve 10 sleeving the connecting column 8. The guiding surface 14 is provided to make the process of sleeving the fixing sleeve 10 on the connecting column 8 smoother.

Referring to fig. 6 and 7, the pull stud 2 includes a mounting stud 17 and a fixing stud 18; the mounting column 17 is on the outer casing 1 through the bolt, the fixed column 18 is connected to the mounting part 3; one end of the fixed column 18 close to the mounting part 3 is integrally provided with a threaded column 22, and the mounting part 3 is provided with a threaded hole 23 for fixing the threaded column 22 in a threaded manner. When the fixing column 18 is installed on the installation part 3, the threaded column 22 on the fixing column 18 is aligned to the threaded hole 23 on the installation part 3, and then the fixing column 18 is rotated to fix the fixing column 18 on the installation part 3, so that the fixing column 18 is installed on the installation part 3 more conveniently and quickly.

Referring to fig. 7 and 8, in order to connect and fix the fixed column 18 and the mounting column 17, a mounting tube 19 screwed with the mounting column 17 is sleeved on the fixed column 18, and the mounting tube 19 is a tubular structure made of metal; one end of the fixing column 18 far away from the mounting part 3 is integrally provided with a butting block 20, and one side of the mounting barrel 19 near the mounting part 3 is integrally provided with a limiting ring 21 which is butted and limited with the butting block 20. In actual operation, the mounting tube 19 is sleeved on the fixing post 18, the limiting ring 21 on the mounting tube 19 is abutted against the abutting block 20 on the fixing post 18, the inner side wall of the mounting tube 19 is fixed with the ten thousand side walls of the mounting post 17 through threads, the fixing post 18 and the mounting post 17 are pulled and closed tightly, and then the fixing post 18 and the mounting post 17 can be connected and fixed.

Seted up rotating part 24 on the 19 lateral wall of installation section of thick bamboo, rotating part 24 sets up for the plane of symmetry in this embodiment, makes things convenient for instruments such as spanner to carry out the rotation operation to installation section of thick bamboo 19, improves the convenience of operation.

One end of the fixed column 18 close to the mounting column 17 is integrally provided with a connecting strip 25, and the mounting column 17 is provided with a connecting hole 26 for the connecting strip 25 to be inserted and fixed; when the fixing post 18 and the mounting post 17 are close to each other, the connecting strip 25 on the fixing post 18 is inserted into the connecting hole 26 in the mounting post 17, so that relative displacement between the fixing post 18 and the mounting post 17 is avoided, and the mounting stability of the mounting post 17 and the fixing post 18 is improved.

The implementation principle of the embodiment is as follows: in actual use, the first wedge-shaped block 4 and the second wedge-shaped block 5 are firstly installed in the installation cavity 6, the first wedge-shaped block 4 and the second wedge-shaped block 5 are fixed through the fixing piece 7, and the fixing block 15 is inserted into the fixing groove 16; the mounting post 17 and the fixed post 18 may be fixed by tightening with the mounting tube 19.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an insulating strain clamp, includes shell (1), draw post (2) and installation department (3) be connected with shell (1), install first wedge (4) and second wedge (5) on shell (1), set up on shell (1) and supply installation cavity (6) of first wedge (4) and second wedge (5) installation, its characterized in that: be provided with between first wedge (4) and second wedge (5) mounting (7), mounting (7) include spliced pole (8), connecting block (9) and fixed cover (10), spliced pole (8) an organic whole sets up on first wedge (4) and stretches out to the direction of second wedge (5), connecting block (9) and second wedge (5) an organic whole set up, offer on connecting block (9) and supply spliced pole (8) to wear to establish and with perforation (11) of spliced pole (8) one-to-one, fixed cover (10) cover is established and is fixed in on spliced pole (8), just fixed cover (10) are contradicted with connecting block (9) spacing.

2. The insulated strain clamp of claim 1, wherein: the fixed cover (10) is provided with the stopper (12) with the integrative stopper (12) that has been provided with on the inside wall that spliced pole (8) contradicted, be provided with a plurality of spacing annular (13) that supply stopper (12) joint on spliced pole (8).

3. The insulated strain clamp of claim 2, wherein: the limiting block (12) is provided with a guide surface (14), and the guide surface (14) is gradually inclined along the sleeving direction of the fixing sleeve (10) sleeved with the connecting column (8).

4. The insulated strain clamp of claim 1, wherein: a fixing groove (16) is formed in one side, abutted against the second wedge-shaped block (5), of the first wedge-shaped block (4), and a fixing block (15) inserted into the fixing groove (16) is integrally arranged on the first wedge-shaped block (4).

5. The insulated strain clamp of claim 1, wherein: draw post (2) including erection column (17) and fixed column (18), erection column (17) pass through the bolt fastening on shell (1), fixed column (18) are connected on installation department (3), the cover is equipped with installation section of thick bamboo (19) with erection column (17) thread tightening on fixed column (18), the one end an organic whole that installation department (3) were kept away from in fixed column (18) is provided with butt piece (20), one side an organic whole that installation section of thick bamboo (19) are close to installation department (3) is provided with spacing stop ring (21) of butt piece (20) butt.

6. The insulated strain clamp of claim 5, wherein: one end of the fixing column (18) close to the mounting part (3) is integrally provided with a threaded column (22), and the mounting part (3) is provided with a threaded hole (23) for fixing the threaded column (22) in a threaded manner.

7. The insulated strain clamp of claim 5, wherein: the outer side wall of the installation barrel (19) is provided with a rotating part (24).

8. The insulated strain clamp of claim 5, wherein: the fixing column (18) is provided with a connecting strip (25) at one end close to the mounting column (17), and the mounting column (17) is provided with a connecting hole (26) for the connecting strip (25) to be inserted and fixed.