CN211063305U

CN211063305U - Screw lifting type insulating cross arm

Info

Publication number: CN211063305U
Application number: CN201922413370.9U
Authority: CN
Inventors: 李荣伟; 刘嘉铭; 沈琦
Original assignee: YIXING HUAYUAN ELECTRICIAN EQUIPMENTS Ltd
Current assignee: YIXING HUAYUAN ELECTRICIAN EQUIPMENTS Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-21
Anticipated expiration: 2029-12-27

Abstract

The utility model belongs to the technical field of the electric power accessory, especially, be an insulating cross arm of lead screw promotion formula, including fixed urceolus, fixed cover on fixed urceolus has connect the mount pad, fixed mounting has the arc to support the touch multitouch on the front of mount pad, the front bolt fastening of mount pad has the mounting panel, the inside activity of fixed urceolus is provided with the screw rod, threaded connection has the regulation inner tube on the screw rod, the outer wall of adjusting the inner tube contacts and sliding connection with the inner wall of fixed urceolus. The utility model discloses pass through the bolt fastening with the cross arm frame on the connecting plate, then through the cooperation of mount pad, arc to touch multitouch and mounting panel with fixed urceolus fix on the cement pole, then drive through rotating the screw rod and adjust the inner tube and slide along fixed urceolus straight line and rise to highly adjusting the cross arm frame, utilizing the cable support on the cross arm frame to promote the cable this moment, consequently the convenience is dismantled original metal cross arm.

Description

Screw lifting type insulating cross arm

Technical Field

The utility model relates to an electric power accessory technical field specifically is an insulating cross arm of lead screw promotion formula.

Background

Along with the application of composite material is constantly popularized on the major network transmission line, 10kV distribution network transmission line reduces the operation maintenance cost for improving the insulation level of the line by a wide margin, and the transformation mode of replacing the original metal cross arm with the insulation cross arm of the composite material is gradually popularized and applied across the country, and a good overvoltage protection effect is preliminarily shown. Meanwhile, the requirement of national grid companies on the reliability of power supply is gradually increased, the requirement on the service standard of power supply enterprises for customers is more and more strict, and the most obvious feasible modes of reducing the power outage area of users, reducing the power outage time of users and the like are hot-line work. Live working is a line maintenance method with high technical content, strict requirements on safety and skills and remarkable economic benefit.

However, in the process of replacing the metal cross arm with the insulating cross arm in live-line work, the following problems exist:

1. the general spatial dimension of a distribution line of a cement pole is smaller, the distribution line can be closer to an original metal cross arm when an insulating cross arm is installed, the metal cross arm can be disassembled after a lead is lifted by the insulating cross arm, and the insulating cross arm can be installed after the metal cross arm is installed, so that at least two high-altitude electric power personnel are needed to be matched in the installation process of the insulating cross arm, and the insulating arm-shaking vehicle cannot approach due to the influence of the terrain on many live working construction sites due to the small active area of a working environment, so that inconvenience is brought to the installation work of the insulating cross arm;

2. although the position of the cable support block on the insulating cross arm can be adjusted, the positioning and fixing operation of the cable support block is difficult at that time, and the operation difficulty is larger when the cable support block is used for fine adjustment at high altitude.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a lead screw promotes insulating cross arm of formula has solved the problem that there is inconvenient, the cable prop up piece position adjustment difficulty of construction installation among the original metal cross arm of current insulating cross arm replacement process.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a screw lifting type insulating cross arm comprises a fixed outer cylinder, wherein a mounting seat is fixedly sleeved on the fixed outer cylinder, the front surface of the mounting seat is fixedly provided with an arc-shaped contact block, the front surface of the mounting seat is fixed with a mounting plate through a bolt, a screw rod is movably arranged in the fixed outer cylinder, an adjusting inner cylinder is connected on the screw rod in a threaded manner, the outer wall of the adjusting inner cylinder is in contact with and is in sliding connection with the inner wall of the fixed outer cylinder, the top end of the adjusting inner cylinder is fixedly provided with a connecting plate, a cross arm frame is fixed on the top of the connecting plate through bolts, the front surface and the back surface of the inner wall of the cross arm frame are both fixedly provided with a limiting sliding plate, fixed bar holes are formed in the front face and the back face of the cross arm frame, the cross arm frame slides in a matched mode through the limiting sliding plate and the fixed bar holes and is fixed with a cable support used for supporting a cable, and a fixing seat is fixedly arranged on the front face of the cross arm frame.

As an optimized technical scheme of the utility model, the bottom fixed connection of bearing frame and fixed urceolus is passed through to the one end of screw rod.

As a preferred technical scheme of the utility model, the screw rod is located the outside one end fixed mounting of fixed urceolus and has the turning handle.

As a preferred technical scheme of the utility model, the inner wall symmetry fixed mounting of fixed urceolus has two arc gibs, adjust on the outer wall of inner tube the symmetry set up two with the arc guide way of arc gib block looks adaptation, arc gib block is through two arc guide ways and two arc gib block sliding connection.

As an optimal technical scheme of the utility model, cable support includes a support piece main part, the bottom fixed mounting of support piece main part has two screens pieces, every the screens piece all with corresponding spacing slide sliding connection, the arc has been seted up at the top of support piece main part and has been supported the groove, cable support passes through stud and nut component cooperation and cross arm frame fixed connection.

(III) advantageous effects

Compared with the prior art, the utility model provides an insulating cross arm of lead screw promotion formula possesses following beneficial effect:

1. this insulating cross arm of lead screw promotion formula, pass through the bolt fastening with the cross arm frame on the connecting plate, then through the mount pad, the cooperation of arc butt touch piece and mounting panel is fixed the urceolus on the cement pole, then it slides along fixed urceolus straight line to rise to drive the regulation inner tube through rotating the screw rod, thereby adjust the height of cross arm frame, utilize the cable support on the cross arm frame to promote the cable this moment, consequently, conveniently dismantle original metal cross arm, change the metal cross arm in-process, only need a high altitude construction personnel, another staff can through at the rotatory screw rod in ground, consequently, high altitude construction personnel's home range increase, be favorable to going on of installation operation, consequently, can improve the installation effectiveness of insulating cross arm, after the metal cross arm is demolishd, it can again to fix insulating cross arm and cement pole.

2. This insulating cross arm of lead screw promotion formula, after cross arm frame is fixed with the cement pole, with cross arm frame and connecting plate separation, then dismantle mounting panel and mount pad, consequently the utility model discloses the structure can be used repeatedly many times, and use value is high.

3. This insulating cross arm of lead screw promotion formula, cable support's position can be adjusted through the cooperation in spacing slide and fixed strip hole to cable support position adjustment in-process, stability is high, consequently makes things convenient for going on of position adjustment work, when high altitude construction, has made things convenient for staff's operation in the very big degree very much.

Drawings

Fig. 1 is a front view of the three-dimensional structure of the present invention;

FIG. 2 is a sectional view of the three-dimensional structure of the present invention;

FIG. 3 is a side view of the structure of the present invention;

fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.

In the figure: 1. fixing the outer cylinder; 2. a mounting seat; 3. an arc-shaped contact block; 4. mounting a plate; 5. a screw; 6. adjusting the inner cylinder; 7. an arc-shaped guide strip; 8. an arc-shaped guide groove; 9. a connecting plate; 10. a cross arm frame; 11. a limiting sliding plate; 12. a fixing bar hole; 13. a cable support; 131. a holder block body; 132. a bit block; 133. an arc-shaped supporting groove; 14. a handle is rotated; 15. a fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a lead screw promotes formula insulating cross arm, including fixed urceolus 1, fixed cover on fixed urceolus 1 has connect mount pad 2, fixed mounting has the arc to support touch block 3 on the front of mount pad 2, the front bolt fastening of mount pad 2 has mounting panel 4, the inside activity of fixed urceolus 1 is provided with screw rod 5, threaded connection has the regulation inner tube 6 on the screw rod 5, the outer wall of adjusting inner tube 6 contacts and sliding connection with the inner wall of fixed urceolus 1, the top fixed mounting who adjusts inner tube 6 has connecting plate 9, the top bolt fastening of connecting plate 9 has cross arm frame 10, the front and the back of cross arm frame 10 inner wall all fixed mounting have spacing slide 11, fixed strip hole 12 has all been seted up at the front and the back of cross arm frame 10, cross arm frame 10 slides and is fixed with the cable support 13 that is used for supporting cable through spacing slide 11 and fixed strip hole 12 cooperation, cross arm frame 10 front fixed mounting has.

In the embodiment, an arc-shaped structure exists on the inner side of the mounting plate 4, firstly, the arc-shaped contact block 3 on the mounting seat 2 is contacted with the surface of the cement rod, then, the arc-shaped structure of the mounting plate 4 is contacted with the surface of the cement rod, and then, the mounting plate 4 and the mounting seat 2 are fixed through the matching of bolts, nuts and gaskets, so that the position of the fixed outer cylinder 1 is fixed; at the moment, the cross arm frame 10 is fixed on the top of the connecting plate 9 through bolts, so that only the rotating screw rod 5 is needed to drive the adjusting inner cylinder 6 to slide linearly and ascend along the fixed outer cylinder 1, the height of the cross arm frame 10 is adjusted, at the moment, the cable is lifted by utilizing the cable support 13 on the cross arm frame 10, and thus, a worker does not need to keep the position of the insulating cross arm in the high altitude; the structure of the fixed seat 15 is similar to that of the mounting seat 2, and the fixed seat and the 15 cement poles are fixed by adopting a hoop-shaped structure; after the cross arm frame 10 is installed, the bolts between the connecting plate 9 and the cross arm frame 10 are disassembled, then the mounting plate 4 and the mounting seat 2 are disassembled and separated, and the mounting structure is taken away to mount the next insulating cross arm.

Specifically, one end of the screw 5 is fixedly connected with the bottom of the fixed outer cylinder 1 through a bearing seat.

In this embodiment, the screw 5 can be ensured to rotate normally and stably.

Specifically, a rotating handle 14 is fixedly arranged at one end of the screw 5 positioned outside the fixed outer cylinder 1.

In this embodiment, the rotation handle 14 is adopted to facilitate the rotation of the screw rod 5 and the adjustment of the height of the cross arm frame 10.

Concretely, the inner wall symmetry fixed mounting of fixed urceolus 1 has two arc gibs 7, and the symmetry is seted up two arc guide ways 8 with arc gib 7 looks adaptation on the outer wall of adjusting inner tube 6, and arc gib 7 is through two arc guide ways 8 and two arc gib 7 sliding connection.

In this embodiment, when screw rod 5 is rotatory to be driven and is adjusted inner tube 6 and carry out the altitude mixture control in-process, through the cooperation of two arc guide ways 8 and two arc gibs 7, can strengthen the stability of adjusting 6 altitude mixture control in-processes of inner tube.

Specifically, cable support 13 includes support piece main part 131, and the bottom fixed mounting of support piece main part 131 has two screens pieces 132, and every screens piece 132 all with corresponding spacing slide 11 sliding connection, arc support groove 133 has been seted up at the top of support piece main part 131, and cable support 13 passes through stud and nut component cooperation and cross arm frame 10 fixed connection.

In this embodiment, the support block main body 131 is slidably connected to the two limiting sliding plates 11 through the two clamping blocks 132, and the mutual structural design has a limiting effect, so that in the process of adjusting the position of the support block main body 131, only the support block main body 131 needs to be kept to slide on the cross arm frame 10, so that the adjustment work is simple, and the support block main body 131 is provided with a mounting hole with a diameter equal to the width of the fixing strip hole 12, the stud penetrates through the fixing strip hole 12 and the mounting hole, nut assemblies are arranged at two ends of the stud, and the stud is fixed to the front and the back of the support block main body 131 by means of the cooperation of nuts and gaskets, so that the support block main body 131 can be fixed to the cross arm frame 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an insulating cross arm of lead screw promotion formula which characterized in that: the device comprises a fixed outer barrel (1), a mounting seat (2) is fixedly sleeved on the fixed outer barrel (1), an arc-shaped touch block (3) is fixedly mounted on the front surface of the mounting seat (2), a mounting plate (4) is fixed on the front surface of the mounting seat (2), a screw rod (5) is movably arranged in the fixed outer barrel (1), an adjusting inner barrel (6) is connected onto the screw rod (5) in a threaded manner, the outer wall of the adjusting inner barrel (6) is in contact with and is in sliding connection with the inner wall of the fixed outer barrel (1), a connecting plate (9) is fixedly mounted at the top end of the adjusting inner barrel (6), a cross arm frame (10) is fixedly arranged on the top of the connecting plate (9) in a bolt manner, a limiting sliding plate (11) is fixedly mounted on the front surface and the back surface of the inner wall of the cross arm frame (10), and a fixing strip hole (12), cross arm frame (10) slide and be fixed with cable support (13) that are used for supporting the cable through spacing slide (11) and fixed strip hole (12) cooperation, cross arm frame (10) openly fixed mounting has fixing base (15).

2. The lead screw lifting type insulating cross arm as claimed in claim 1, wherein: one end of the screw rod (5) is fixedly connected with the bottom of the fixed outer cylinder (1) through a bearing seat.

3. The lead screw lifting type insulating cross arm as claimed in claim 2, wherein: and a rotating handle (14) is fixedly arranged at one end of the screw rod (5) positioned outside the fixed outer cylinder (1).

4. The lead screw lifting type insulating cross arm as claimed in claim 1, wherein: the inner wall symmetry fixed mounting of fixed urceolus (1) has two arc gib blocks (7), adjust on the outer wall of inner tube (6) symmetry set up two arc guide way (8) with arc gib block (7) looks adaptation, arc gib block (7) are through two arc guide way (8) and two arc gib blocks (7) sliding connection.

5. The lead screw lifting type insulating cross arm as claimed in claim 1, wherein: cable support (13) are including support piece main part (131), the bottom fixed mounting of support piece main part (131) has two screens pieces (132), every screens piece (132) all with corresponding spacing slide (11) sliding connection, arc support groove (133) have been seted up at the top of support piece main part (131), cable support (13) are through stud and nut component cooperation and cross arm frame (10) fixed connection.