Spacing-adjustable electric power fitting

Abstract

The utility model relates to the technical field of electric power fittings, in particular to a spacing-adjustable electric power fitting, which improves the spacing adjustment convenience of a plurality of groups of insulators in different directions and reduces the use limitation. Comprising two sets of supports and multiple sets of mounting holes, and the multiple sets of mounting holes are formed in the two sets of supports; the device further comprises a driving device, a positioning device, a plurality of insulators, two sets of suites and four sets of supporting arms, the insulators are installed on the multiple sets of installation holes respectively, the bottom ends of the two sets of supports are connected with the ends of the four sets of supporting arms respectively, every two sets of supporting arms are installed on one set of suites in an opposite sliding mode respectively, and the driving device is arranged on the two sets of suites. The driving device is used for driving the four sets of supporting arms to move and adjust, the two sets of suites are both installed on the positioning device, and the positioning device is used for fixing the positions of the two sets of suites.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power fittings, in particular to adjustable spacing electric power fittings. BACKGROUND

[0002] In the field of electric power engineering, electric power fittings, as key connection and protection equipment, are widely used in power transmission lines and power facilities. Traditional electric power fittings often have fixed spacing in design, which brings many inconveniences in actual application.

[0003] For example, the patent with the authorization announcement number CN210659479U discloses an electric power cross arm, which comprises a cross arm I, a cross arm II, at least two connecting rods, and a stabilizing rod. The cross arm I, the cross arm II, and the connecting rods are hingedly connected to form a connecting rod mechanism. One end of the stabilizing rod is hingedly connected to the cross arm I or the cross arm II, and the other end is provided with a locking device for locking the positions of the two. The shape of the connecting rod mechanism can be adjusted by the stabilizing rod, and the internal spacing of the cross arm I and the cross arm II after adjustment is smaller than the diameter of the power pole.

[0004] However, it is found that the spacing between the cross arms of the device is not flexible to adjust, which increases the limitations of use and reduces the convenience of use. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides an adjustable spacing electric power fitting that improves the spacing adjustment convenience of multiple groups of insulators in different directions and reduces the use limitations.

[0006] The adjustable spacing electric power fitting of the utility model comprises two groups of supports and multiple groups of mounting holes, the multiple groups of mounting holes are arranged on the two groups of supports, further comprises a driving device, a positioning device, multiple groups of insulators, two groups of sleeves, and four groups of supporting arms, the multiple groups of insulators are respectively installed on the multiple groups of mounting holes, the bottom ends of the two groups of supports are respectively connected with the end portions of the four groups of supporting arms, wherein every two groups of supporting arms are respectively slidably installed on a group of sleeves, the driving device is arranged on the two groups of sleeves, the driving device is used for driving the four groups of supporting arms to move and adjust, the two groups of sleeves are both installed on the positioning device, and the positioning device is used for fixing the positions of the two groups of sleeves; the multiple groups of mounting holes are arranged, thereby improving the convenience of installing the multiple groups of insulators at different positions on the two groups of supports, improving the spacing adjustment convenience between the multiple groups of insulators, driving the supporting arms on both sides to move and adjust in opposition through the driving device, so that the supporting arms on both sides respectively drive the two groups of supports to move and adjust the spacing in opposition, improving the spacing adjustment convenience of the multiple groups of insulators in different directions and reducing the use limitations.

[0007] Preferably, the driving device comprises a fixed seat, two sets of bidirectional lead screws, two sets of worms, two sets of hand wheels and two sets of worm gears, the fixed seat is installed on the inner side walls of the two sets of sleeve assemblies, the two sets of bidirectional lead screws are respectively rotatably installed on the two fixed seats, the ends of the four sets of supporting arms are respectively matched and screwed on the outer side walls of the two sets of bidirectional lead screws, the two sets of worms are respectively rotatably installed on the inner side walls of the two sets of sleeve assemblies, the two sets of hand wheels are respectively installed at the ends of the two sets of worms, the two sets of worm gears are respectively installed on the outer side walls of the two sets of bidirectional lead screws and engaged with the two sets of worms; personnel adjust by rotating the two sets of hand wheels, the two sets of hand wheels drive the two sets of worms to rotate, the two sets of worms drive the two sets of bidirectional lead screws to rotate through the engagement with the two sets of worm gears, so that the two sets of bidirectional lead screws drive the supporting arms on both sides to move oppositely, thereby adjusting the distance between the two sets of supports, improving the convenience and position accuracy of the adjustment operation, and through the engagement of the worm and the worm gear, the sliding positioning effect of the two sets of supporting arms is improved, thereby improving the use stability of the multiple insulators.

[0008] Preferably, the positioning device comprises two sets of semicircular pieces, two sets of connecting pieces, two sets of U-shaped pieces and multiple first bolts, the two sets of connecting pieces are respectively installed on the outer side walls of the two sets of semicircular pieces, the ends of the two sets of connecting pieces are connected with the outer side walls of the two sets of sleeve assemblies, the two sets of U-shaped pieces are respectively sleeved on the two sides of the two sets of semicircular pieces, and the multiple first bolts respectively pass through the interiors of the two sets of semicircular pieces and the two sets of U-shaped pieces; the two sets of semicircular pieces are butted and combined into a whole annular sleeve assembly and sleeved on the power pole, then the two sets of U-shaped pieces are installed on the two sides of the two sets of semicircular pieces and fixed by the multiple first bolts, and through the arrangement of the two sets of U-shaped pieces, the stress intensity of the multiple first bolts is reduced, and the firmness between the two sets of semicircular pieces is improved.

[0009] Preferably, it further comprises a base and multiple second bolts, the base is arranged at the bottom ends of the two sets of supports, and the base is installed on the outer side walls of the four sets of supporting arms by the multiple second bolts; through the arrangement of the base and the multiple second bolts, the mounting firmness of the two sets of supports is improved, and the convenience of mounting and dismounting the two sets of supports is improved.

[0010] Preferably, it further comprises two sets of anti-skid pieces, and the two sets of anti-skid pieces are respectively arranged on the outer side walls of the two sets of semicircular pieces; through the arrangement of the two sets of anti-skid pieces, the anti-skid stability between the two sets of semicircular pieces and the power pole is improved.

[0011] Preferably, reinforcing ribs are arranged between the two sets of sleeve assemblies and the two sets of connecting pieces; the use intensity of the power fittings is improved.

[0012] Compared with the prior art, the utility model has the advantages that: through set up multiple sets of mounting hole, thereby improve the convenience of multiple sets of insulator installation in two groups of support different position, improve the spacing adjustment convenience between multiple sets of insulator, through drive arrangement drive both sides support arm and move adjustment, thereby make both sides support arm drive two groups of support and move adjustment spacing respectively, improve the spacing adjustment convenience of multiple sets of insulator different direction, reduce use limitation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the shaft measurement structure schematic diagram of the utility model, and

[0014] Figure 2 is the shaft measurement local structure schematic diagram of the set and fixed seat etc.

[0015] Figure 3 is the shaft measurement local structure schematic diagram of support arm and bidirectional screw rod etc.

[0016] Figure 4 is the shaft measurement local structure schematic diagram of worm and hand wheel etc.

[0017] Figure 5 is the shaft measurement local structure schematic diagram of semicircular piece and U piece etc.

[0018] Mark in the drawing: 1, support, 2, mounting hole, 3, insulator, 4, set, 5, support arm, 6, fixed seat, 7, bidirectional screw rod, 8, worm, 9, hand wheel, 10, worm wheel, 11, semicircular piece, 12, connecting piece, 13, U piece, 14, first bolt, 15, base, 16, second bolt, 17, antiskid piece. DETAILED DESCRIPTION

[0019] In order to facilitate understanding the utility model, below will refer to relevant drawings and the utility model is more comprehensive description.The utility model can be realized in many different forms, and is not limited to the embodiments described herein.Contrarily, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0020] As Figures 1 to 5As shown in the utility model discloses a distance adjustable electric power fitting, including two groups of support 1 and multiple sets of mounting hole 2, multiple sets of mounting hole 2 all are arranged on two groups of support 1;Still include driving device, positioning device, multiple sets of insulator 3, two groups of suite 4 and four groups of support arm 5, multiple sets of insulator 3 are installed on multiple sets of mounting hole 2 respectively, and the bottom of two groups of support 1 is connected with the end of four groups of support arm 5 respectively, wherein every two groups of support arm 5 are respectively opposite and slide and install on a group of suite 4, and two groups of suite 4 are provided with driving device, and driving device is used to drive four groups of support arm 5 to move adjustment, and two groups of suite 4 are all installed on positioning device, and positioning device is used to fix the position of two groups of suite 4;

[0021] As Figure 4 Shown, the driving device includes fixed seat 6, two groups of bidirectional lead screw 7, two groups of worm 8, two groups of hand wheel 9 and two groups of worm wheel 10, fixed seat 6 is installed on the inner side wall of two groups of suite 4, two groups of bidirectional lead screw 7 are respectively rotationally installed on two groups of fixed seat 6, and the end of four groups of support arm 5 is respectively matched and is screwed on the outer side wall of two groups of bidirectional lead screw 7, two groups of worm 8 are respectively rotationally installed on the inner side wall of two groups of suite 4, two groups of hand wheel 9 are respectively installed on the end of two groups of worm 8, and two groups of worm wheel 10 are respectively installed on the outer side wall of two groups of bidirectional lead screw 7, and two groups of worm wheel 10 are respectively engaged with two groups of worm 8;

[0022] In the embodiment, by setting multiple sets of mounting hole 2, thereby improve the convenience of multiple sets of insulator 3 installation in different positions on two groups of support 1, improve the spacing adjustment convenience between multiple sets of insulator 3, by driving device drive both sides support arm 5 and move adjustment oppositely, thereby make both sides support arm 5 drive two groups of support 1 and move adjustment spacing oppositely, improve the spacing adjustment convenience of multiple sets of insulator 3 in different directions, reduce use limitation. Example 2

[0023] On the basis of embodiment 1, as Figure 2 Shown, the utility model discloses a distance adjustable electric power fitting, the positioning device includes two groups of semicircular piece 11, two groups of connecting piece 12, two groups of U type piece 13 and multiple sets of first bolt 14, two groups of connecting piece 12 are respectively installed on the outer side wall of two groups of semicircular piece 11, and the end of two groups of connecting piece 12 is connected with the outer side wall of two groups of suite 4, two groups of U type piece 13 are respectively sleeved on the both sides of two groups of semicircular piece 11, and multiple sets of first bolt 14 are respectively passed through two groups of semicircular piece 11 and two groups of U type piece 13 inside;

[0024] As Figure 1 Shown, still include base 15 and multiple sets of second bolt 16, base 15 is arranged at the bottom of two groups of support 1, and base 15 is installed on the outer side wall of four groups of support arm 5 through multiple sets of second bolt 16;

[0025] As Figure 1As shown, the two groups of anti-skid pieces 17 are arranged on the outer walls of the two groups of semicircular pieces 11 respectively.

[0026] As shown, the two groups of sleeve pieces 4 are arranged between the two groups of connecting pieces 12. Figure 1 As shown, the two groups of sleeve pieces 4 are arranged between the two groups of connecting pieces 12.

[0027] In the embodiment, the personnel adjust the two groups of hand wheels 9 to rotate, so that the two groups of hand wheels 9 drive the two groups of worms 8 to rotate, the two groups of worms 8 drive the two groups of bidirectional screws 7 to rotate through the meshing with the two groups of worms 10, so that the two groups of bidirectional screws 7 drive the two groups of support arms 5 to move oppositely, thereby adjusting the distance between the two groups of supports 1, improving the convenience and position accuracy of the adjustment operation, and improving the sliding positioning effect of the two groups of support arms 5 through the meshing of the worm 8 and the worm 10, thereby improving the stability of the multiple groups of insulators 3, and the two groups of semicircular pieces 11 are combined into a whole annular sleeve piece and sleeved on the power pole, then the two groups of U-shaped pieces 13 are installed on the two sides of the two groups of semicircular pieces 11 and fixed through the multiple groups of first bolts 14, and the stress intensity of the multiple groups of first bolts 14 is reduced through the arrangement of the two groups of U-shaped pieces 13, thereby improving the firmness between the two groups of semicircular pieces 11.

[0028] The adjustable distance power fitting of the utility model, when working, drives the two groups of support arms 5 to move oppositely through the driving device, so that the two groups of support arms 5 drive the two groups of supports 1 to move oppositely and adjust the distance.

[0029] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled personnel in the technical field, several improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. An adjustable-spacing power fitting, comprising two sets of brackets (1) and multiple sets of mounting holes (2), wherein the multiple sets of mounting holes (2) are all disposed on the two sets of brackets (1); characterized in that, It also includes a drive device, a positioning device, multiple sets of insulators (3), two sets of kits (4) and four sets of support arms (5). The multiple sets of insulators (3) are respectively installed on multiple sets of mounting holes (2). The bottom ends of the two sets of brackets (1) are respectively connected to the ends of the four sets of support arms (5). Each pair of support arms (5) is slidably installed on a set of kits (4) in opposite directions. The two sets of kits (4) are equipped with a drive device, which is used to drive the four sets of support arms (5) to move and adjust. Both sets of kits (4) are installed on the positioning device, which is used to fix the position of the two sets of kits (4).

2. The adjustable-gap power fitting as described in claim 1, characterized in that, The drive device includes a fixed seat (6), two sets of bidirectional lead screws (7), two sets of worm gears (8), two sets of handwheels (9), and two sets of worm wheels (10). The fixed seat (6) is installed on the inner side wall of the two sets of kits (4). The two sets of bidirectional lead screws (7) are rotatably installed on the two sets of fixed seats (6). The ends of the four sets of support arms (5) are screwed onto the outer side wall of the two sets of bidirectional lead screws (7). The two sets of worm gears (8) are rotatably installed on the inner side wall of the two sets of kits (4). The two sets of handwheels (9) are installed at the ends of the two sets of worm gears (8). The two sets of worm wheels (10) are installed on the outer side wall of the two sets of bidirectional lead screws (7), and the two sets of worm wheels (10) mesh with the two sets of worm gears (8).

3. The adjustable-gap power fitting as described in claim 1, characterized in that, The positioning device includes two sets of semi-circular parts (11), two sets of connectors (12), two sets of U-shaped parts (13), and multiple sets of first bolts (14). The two sets of connectors (12) are respectively installed on the outer side walls of the two sets of semi-circular parts (11). The ends of the two sets of connectors (12) are connected to the outer side walls of the two sets of kits (4). The two sets of U-shaped parts (13) are respectively fitted on both sides of the two sets of semi-circular parts (11). The multiple sets of first bolts (14) pass through the interior of the two sets of semi-circular parts (11) and the two sets of U-shaped parts (13).

4. The adjustable-gap power fitting as described in claim 1, characterized in that, It also includes a base (15) and multiple sets of second bolts (16). The base (15) is set at the bottom of the two sets of brackets (1) and is installed on the outer wall of the four sets of support arms (5) by multiple sets of second bolts (16).

5. The adjustable-gap power fitting as described in claim 3, characterized in that, It also includes two sets of anti-slip components (17), which are respectively set on the outer walls of the two sets of semi-circular components (11).

6. The adjustable-gap power fitting as described in claim 3, characterized in that, Reinforcing ribs are provided between the two sets of kits (4) and the two sets of connectors (12).

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