Extra-high voltage super-long insulator assembling and protecting device

Abstract

The utility model discloses an extra-high voltage super-long insulator assembling and protecting device which comprises a plurality of protection type assembling units which are installed on a supporting frame side by side, and a plurality of insulator strings are installed on the protection type assembling units at intervals in the length direction of the protection type assembling units. Height adjusting mechanisms are arranged at the two ends of each protection type assembling unit respectively, adjusting lead screws are rotationally connected to the two sides of the supporting frame respectively, the adjusting lead screws extend in the arrangement direction of the protection type assembling units, and the adjusting lead screws are in transmission connection with the corresponding height adjusting mechanisms. According to the utility model, the insulator chain can be effectively protected, the insulator chain is convenient to disassemble and assemble, the condition that the insulator chain is damaged in the hoisting process is avoided, and manpower and material resources are saved. The utility model is suitable for the technical field of insulator chain protection before high-voltage transmission line erection.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of high voltage transmission line erection, specifically relates to a kind of UHV super-long insulator assembly and protection device. BACKGROUND

[0002] In the erection process of UHV transmission line, the mode of aerial traction transmission line is generally used for operation, to avoid the damage caused by the contact between UHV transmission line and ground. In this process, the super-long insulator string is the necessary auxiliary device, before erection, the insulator needs to be connected into string in sequence and placed on the ground, and when operation is carried out, the insulator string is lifted by lifting equipment and installed at the predetermined position in the air. However, since the insulator string is mostly porcelain product, it is easy to be bumped in the process of installation, placement and subsequent lifting operation, and then the local insulator of the insulator string is damaged, so that the performance of the entire insulator string is affected, causing the entire insulator string to be scrapped; not only waste manpower and material resources, but also increase the construction cost. SUMMARY

[0003] The utility model provides a kind of UHV super-long insulator assembly and protection device, to protect insulator string, facilitate the disassembly of insulator string, avoid the damage of insulator string in the process of lifting, save manpower and material resources.

[0004] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0005] A kind of UHV super-long insulator assembly and protection device, comprising a plurality of protective assembly units installed side by side on a support frame, a plurality of insulator strings are installed on the protective assembly units along the length direction of the protective assembly units, both ends of each protective assembly unit are respectively provided with a height adjusting mechanism, an adjusting screw is rotatably connected to both sides of the support frame, each adjusting screw extends along the arrangement direction of the protective assembly units, and the adjusting screw is drivingly connected with the corresponding height adjusting mechanism.

[0006] Further, the support frame includes two oppositely arranged transverse beams, both ends of each adjusting screw are rotatably connected with the two transverse beams, at least two support legs are installed at the lower end of each transverse beam, and the lower end of each support leg is fixed to the ground.

[0007] Further, the adjusting screw includes a screw body, a first operating hand wheel is installed at one end of the screw body.

[0008] Further, the protection type assembly unit comprises a mounting base arranged between the two adjusting lead screws, a plurality of cylindrical protection covers are arranged on the lower end of the mounting base along the lateral direction of the support frame, the insulator string is arranged in the cylindrical protection cover, and the height adjusting mechanism is arranged between the mounting base and the corresponding adjusting lead screw.

[0009] Further, the mounting base comprises a base body, a plurality of strip-shaped holes are arranged on the base body along the lateral direction of the support frame, the upper end of each cylindrical protection cover is connected with the base body through a connecting bolt, and the connecting bolt passes through the corresponding strip-shaped hole.

[0010] Further, the cylindrical protection cover comprises a half-cylindrical cover body provided with a fixing ring at the upper end, a plurality of fixing ears are symmetrically arranged on the fixing ring, each fixing ear is detachably connected with the mounting base, the half-cylindrical cover body extends along the vertical direction, a plurality of half-cylindrical buckle covers are pivotally connected on the half-cylindrical cover body along the vertical direction, a first connecting edge is formed at one end of the half-cylindrical cover body away from the pivotally connected position, and a second connecting edge is formed at one end of each half-cylindrical buckle cover away from the pivotally connected position.

[0011] Further, a plurality of first support half-rings are arranged in the half-cylindrical cover body along the vertical direction, a plurality of second support half-rings are arranged in each half-cylindrical buckle cover along the vertical direction, when the half-cylindrical buckle cover is buckled on the half-cylindrical cover body, the first support half-rings and the second support half-rings are connected and form a complete support ring, and the axis of the support ring coincides with the axis of the cylindrical protection cover.

[0012] Further, a plurality of first half-spiral support portions are arranged in the half-cylindrical cover body along the vertical direction, a plurality of second half-spiral support portions are arranged in each half-cylindrical buckle cover along the vertical direction, when the half-cylindrical buckle cover is buckled on the half-cylindrical cover body, the first half-spiral support portions and the second half-spiral support portions are connected and form a complete support spiral portion, and the support spiral portion spirally extends along the axis of the cylindrical protection cover.

[0013] Further, the height adjusting mechanism comprises a vertical screw threadedly connected with an adapter plate on the mounting base, a second operating hand wheel is arranged on the lower end of the vertical screw, the upper end of the vertical screw is rotationally connected with the lower end of an adapter base, and the adapter base is drivingly connected with the adjusting lead screw.

[0014] Further, an internally threaded sleeve is rotationally connected on the adapter base, the adjusting lead screw passes through the internally threaded sleeve and is threadedly connected therewith, a locking screw is threadedly connected on the adapter base, and the end of the locking screw is locked on the outer wall of the internally threaded sleeve.

[0015] The utility model discloses a structure is adopted above, and it is compared with prior art, the technical progress that has obtained lies in: the utility model discloses the protection type assembly unit is used to accommodate insulator string, makes insulator string be in vertical state, and then the dismounting and hoisting operation of insulator string are convenient, and when dismounting, hoisting, protection type assembly unit can effectively protect insulator string, and insulator string cannot appear the situation of knock. The utility model discloses can according to the space that needs during dismounting or hoisting, drive two adjusting lead screws rotate, make one or more protection type assembly units along the longitudinal motion of support frame, and then make the insulator string of dismounting or hoisting both sides have enough operation space. The utility model discloses can pass through height adjusting mechanism, make its drive protection type assembly unit along vertical motion, that is, when adjusting the longitudinal movement of protection type assembly unit along support frame, the lower end of protection type assembly unit is driven by height adjusting mechanism and is separated from ground, then, drive adjusting lead screw action again, make it drive protection type assembly unit motion, when the longitudinal position of protection type assembly unit is adjusted, the lower end of protection type assembly unit is driven by height adjusting mechanism and is contacted with ground, make ground support protection type assembly unit, and then reduce the stress of support frame. From the above, the utility model discloses can effectively protect insulator string, and the dismounting of insulator string is convenient, avoids the damage of insulator string during hoisting, saves manpower and material resources. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.

[0017] In the drawings:

[0018] Figure 1 It is the structural schematic diagram of the embodiment of the utility model;

[0019] Figure 2 It is the structural schematic diagram of the embodiment of the utility model support frame and two adjusting lead screws connection;

[0020] Figure 3 It is the structural schematic diagram of the embodiment of the utility model protection type assembly unit, two height adjusting mechanisms and two adjusting lead screws connection;

[0021] Figure 4 It is the structural schematic diagram of the embodiment of the utility model height adjusting mechanism, adjusting lead screw and partial protection type assembly unit connection;

[0022] Figure 5 It is the structural schematic diagram of the utility model embodiment half cylinder shaped buckle cover in the cylinder shaped protection cover is in the closed state;

[0023] Figure 6The structure schematic view of the half-cylindrical buckle of the cylindrical protective cover in the opened state is shown in the embodiment of the utility model.

[0024] Figure 7 The structure front view of the cylindrical protective cover is shown in the embodiment of the utility model.

[0025] Figure 8 The structure front view of another cylindrical protective cover is shown in the embodiment of the utility model.

[0026] Label components: 100 - support frame, 101 - transverse beam, 102 - support leg, 200 - adjusting screw, 201 - screw body, 202 - first operation hand wheel, 300 - protective assembly unit, 301 - mounting seat, 302 - strip-shaped hole, 303 - adapter plate, 400 - cylindrical protective cover, 401 - half-cylindrical cover body, 402 - fixing ring, 403 - fixing lug, 404 - half-cylindrical buckle, 405 - placing cavity, 406 - support ring, 407 - first connecting edge, 408 - second connecting edge, 409 - first support half ring, 410 - second support half ring, 411 - support spiral part, 500 - height adjusting mechanism, 501 - adapter seat, 502 - internal thread sleeve, 503 - locking screw, 504 - vertical screw rod, 505 - second operation hand wheel. DETAILED DESCRIPTION

[0027] The preferred embodiments of the utility model are described below in combination with the drawings. It should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0028] The utility model discloses a kind of extra-high voltage super-long insulator assembly and protection device, such as Figures 1-8As shown, it comprises a support frame 100, two adjusting lead screws 200 and a plurality of protective assembly units 300, the protective assembly units 300 are installed side by side on the support frame 100, and the protective assembly units 300 are arranged at intervals along the longitudinal direction of the support frame 100, a plurality of insulator strings are arranged at intervals on the protective assembly units 300 along the length direction of the protective assembly units 300. Wherein, the two adjusting lead screws 200 are arranged at two sides of the support frame 100 respectively, each adjusting lead screw 200 is rotationally connected with the support frame 100, the adjusting lead screw 200 extends along the arrangement direction of the protective assembly units 300, and each protective assembly unit 300 is provided with a height adjusting mechanism 500 at two ends respectively, and the adjusting lead screw 200 is drivingly connected with the corresponding height adjusting mechanism 500. The working principle and advantages of the utility model lie in that: the utility model contains the insulator string through the protective assembly unit 300, so that the insulator string is in the vertical state, thereby facilitating the disassembly and hoisting operation of the insulator string, and when disassembling, hoisting, the protective assembly unit 300 can effectively protect the insulator string, and the insulator string cannot be knocked. The utility model can drive the two adjusting lead screws 200 to rotate according to the space required by disassembly or hoisting, so that one or more protective assembly units 300 move along the longitudinal direction of the support frame 100, thereby leaving enough operating space on both sides of the insulator string to be disassembled or hoisted. The utility model can drive the protective assembly unit 300 to move vertically through the height adjusting mechanism 500; that is, when adjusting the protective assembly unit 300 to move along the longitudinal direction of the support frame 100, the lower end of the protective assembly unit 300 is driven to be separated from the ground through the height adjusting mechanism 500, then the adjusting lead screw 200 is driven to move, so that the protective assembly unit 300 is driven to move; when the longitudinal position of the protective assembly unit 300 is adjusted, the lower end of the protective assembly unit 300 is driven to contact the ground through the height adjusting mechanism 500, so that the ground supports the protective assembly unit 300, thereby reducing the stress of the support frame 100. In conclusion, the utility model can effectively protect the insulator string, facilitate the disassembly of the insulator string, avoid damage to the insulator string during hoisting, and save manpower and material resources.

[0029] As a preferred embodiment of the utility model, as shown in the figure, Figure 2 The support frame 100 comprises two oppositely arranged transverse beams 101, the two ends of each adjusting lead screw 200 are rotationally connected with the two transverse beams 101 respectively, at least two supporting legs 102 are installed at the lower end of each transverse beam 101, and the lower end of each supporting leg 102 is fixed on the ground. The adjusting lead screw 200 of the embodiment comprises a lead screw body 201, a first operation hand wheel 202 is installed at one end of the lead screw body 201.

[0030] As one preferred embodiment of the utility model, as shown in Figure 3 , 4 The protective assembly unit 300 comprises a mounting seat 301 arranged between the two adjusting lead screws 200, a plurality of cylindrical protective covers 400 are arranged at the lower end of the mounting seat 301 and are spaced apart along the transverse direction of the support frame 100, the cylindrical protective cover 400 is formed with a placing cavity 405, the insulator string is arranged in the placing cavity 405 of the cylindrical protective cover 400, and the height adjusting mechanism 500 is arranged between the mounting seat 301 and the corresponding adjusting lead screw 200. The mounting seat 301 of the embodiment comprises a seat body, a plurality of strip-shaped holes 302 are arranged on the seat body and are spaced apart along the transverse direction of the support frame 100, the upper end of each cylindrical protective cover 400 is connected to the seat body through a connecting bolt, the connecting bolt passes through the corresponding strip-shaped hole 302, and a locking nut is threadedly connected to the connecting bolt. The connecting position of the cylindrical protective cover 400 and the seat body can be adjusted, and the spacing between the adjacent cylindrical protective covers 400 is adjusted, so that the disassembly, hoisting and other operations of the insulator string are facilitated.

[0031] As one preferred embodiment of the utility model, as shown in Figure 4 , 5 The cylindrical protective cover 400 comprises a half-cylindrical cover body 401, a fixing ring 402 is arranged at the upper end of the half-cylindrical cover body 401, fixing ears 403 are symmetrically arranged on the fixing ring 402, each fixing ear 403 is detachably connected to the mounting seat 301, and the half-cylindrical cover body 401 extends in the vertical direction. A plurality of half-cylindrical buckle covers 404 are pivotally connected to the half-cylindrical cover body 401 and are spaced apart in the vertical direction, a first connecting edge 407 is formed at one end of the half-cylindrical cover body 401 away from the pivot connection position, and a second connecting edge 408 is formed at one end of each half-cylindrical buckle cover 404 away from the pivot connection position. The insulator string can be assembled from top to bottom or disassembled from bottom to top. Specifically, when assembling, all the half-cylindrical buckle covers 404 are opened, the insulator string is assembled from top to bottom, then the insulator string is placed at the upper part of the cylindrical protective cover 400, and finally the uppermost half-cylindrical buckle cover 404 is closed, so that the cylindrical protective cover 400 is supported in the placing cavity 405. When the insulator string needs to be lengthened, the half-cylindrical buckle covers 404 are sequentially closed from top to bottom as the length of the insulator string increases. When disassembling the insulator string, the lowermost half-cylindrical buckle cover 404 is opened first, the insulator at the position is disassembled, then the half-cylindrical buckle covers 404 are sequentially opened from bottom to top, and the insulators at the corresponding positions are disassembled synchronously.

[0032] As one preferred embodiment of the utility model, as shown in Figure 6 , 7As shown in the figure, a plurality of first support half-rings 409 are arranged in the vertical direction in the half-cylindrical cover body 401, and a plurality of second support half-rings 410 are arranged in the vertical direction in each half-cylindrical cover 404. When the half-cylindrical cover 404 is buckled on the half-cylindrical cover body 401, the first support half-rings 409 and the second support half-rings 410 are connected to form a complete support ring 406, and the axis of the support ring 406 coincides with the axis of the cylindrical protective cover 400. In this embodiment, the insulators in the insulator string are supported by the corresponding support ring 406, so that the insulator string is protected from falling or tilting. When the insulator string needs to be taken out and lifted, the uppermost half-cylindrical cover 404 is first opened, the hook is connected to the upper end of the insulator string, and then the other half-cylindrical covers 404 are opened in sequence. During lifting, the insulator string is manually offset out of the placement cavity 405, so that the insulator string is separated from the cylindrical protective cover 400.

[0033] As a preferred embodiment of the utility model, as shown in the figure, Figure 8 As shown in the figure, a plurality of first support half-rings 409 are arranged in the vertical direction in the half-cylindrical cover body 401, and a plurality of second support half-rings 410 are arranged in the vertical direction in each half-cylindrical cover 404. When the half-cylindrical cover 404 is buckled on the half-cylindrical cover body 401, the first support half-rings 409 and the second support half-rings 410 are connected to form a complete support ring 406, and the axis of the support ring 406 coincides with the axis of the cylindrical protective cover 400. In this embodiment, the insulators in the insulator string are supported by the corresponding support ring 406, so that the insulator string is protected from falling or tilting. When the insulator string needs to be taken out and lifted, the uppermost half-cylindrical cover 404 is first opened, the hook is connected to the upper end of the insulator string, and then the other half-cylindrical covers 404 are opened in sequence. During lifting, the insulator string is manually offset out of the placement cavity 405, so that the insulator string is separated from the cylindrical protective cover 400.

[0034] As a preferred embodiment of the utility model, as shown in the figure, Figure 3 、 4As shown, the height adjusting mechanism 500 comprises an adapter seat 501, a vertical screw rod 504, wherein the vertical screw rod 504 is screwed together with the adapter plate 303 on the mounting seat 301, a second operating hand wheel 505 is installed at the lower end of the vertical screw rod 504, the upper end of the vertical screw rod 504 is rotationally connected with the lower end of the adapter seat 501, and the adapter seat 501 is drivingly connected with the adjusting screw rod 200. Specifically, a female threaded sleeve 502 is rotationally connected on the adapter seat 501, the adjusting screw rod 200 passes through the female threaded sleeve 502 and is screwed with the same, and a locking screw 503 is screwed on the adapter seat 501, and the end of the locking screw 503 is locked on the outer wall of the female threaded sleeve 502. The working principle and advantages of the embodiment are as follows: the vertical screw rod 504 is rotated to drive the mounting seat 301 to move vertically, so that the mounting seat 301 drives the various cylindrical protective covers 400 thereon to move vertically, so that the cylindrical protective cover 400 contacts or separates from the ground, so as to support the cylindrical protective cover 400 or move the cylindrical protective cover 400. When it is needed to move the various cylindrical protective covers 400 on the predetermined mounting seat 301, the locking screw 503 on the adapter seat 501 on both sides of the mounting seat 301 is loosened, so that the female threaded sleeve 502 is rotationally connected with the corresponding adapter seat 501; the locking screw 503 on the adapter seat 501 at the mounting seat 301 that needs to be moved is tightened, so that the adapter seat 501 is fixed with the corresponding female threaded sleeve 502, then the adjusting screw rod 200 is driven to rotate, so that the adapter seat 501 drives the mounting seat 301 to move through the vertical screw rod 504, thereby achieving the purpose of synchronous displacement of the various cylindrical protective covers 400 on the mounting seat 301, after the adjustment is completed, the locking screw 503 is loosened, and finally the second operating hand wheel 505 is rotated, so that the lower end of each cylindrical protective cover 400 contacts the ground.

[0035] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the claims of the present application.

Claims

1. An assembly and protection device for ultra-high voltage extra-long insulators, characterized in that: The utility model provides a protection type assembly unit and support frame, the protection type assembly unit and support frame are arranged in parallel, and the protection type assembly unit is arranged on the support frame.

2. An extra-high voltage super-long insulator assembling and protecting device according to claim 1, characterized in that: The support frame comprises two opposite transverse beams, and the two ends of each adjusting screw are rotatably connected to the two transverse beams.

3. The extra-high voltage super-long insulator assembling and protecting device according to claim 1, characterized in that: The adjusting screw comprises a screw body, and a first operating hand wheel is arranged at one end of the screw body.

4. The extra-high voltage super-long insulator assembling and protecting device according to claim 1, characterized in that: The protection type assembly unit comprises a mounting seat arranged between the two adjusting screws, a plurality of cylindrical protective covers are arranged at the lower end of the mounting seat in the transverse direction of the support frame, and the insulator strings are arranged in the cylindrical protective covers.

5. An extra-high voltage super-long insulator assembling and protecting device according to claim 4, characterized in that: The mounting seat comprises a seat body, a plurality of strip-shaped holes are arranged on the seat body in the transverse direction of the support frame, the upper end of each cylindrical protective cover is connected to the seat body through a connecting bolt, and the connecting bolt passes through the corresponding strip-shaped hole.

6. An extra-high voltage super-long insulator assembling and protecting device according to claim 4, characterized in that: The cylindrical protective cover comprises a half-cylindrical cover body provided with a fixing ring at the upper end, a plurality of fixing ears are symmetrically arranged on the fixing ring, each fixing ear is detachably connected to the mounting seat, the half-cylindrical cover body extends in the vertical direction, a plurality of half-cylindrical buckle covers are pivotally arranged on the half-cylindrical cover body in the vertical direction, a first connecting edge is formed at one end of the half-cylindrical cover body away from the pivotally connected position, and a second connecting edge is formed at one end of each half-cylindrical buckle cover away from the pivotally connected position.

7. An extra-high voltage super-long insulator assembling and protecting device according to claim 6, characterized in that: A plurality of first supporting half-rings are arranged in the half-cylindrical cover body in the vertical direction, a plurality of second supporting half-rings are arranged in each half-cylindrical buckle cover in the vertical direction, the first supporting half-rings and the second supporting half-rings are connected and form a complete supporting ring when the half-cylindrical buckle cover is buckled on the half-cylindrical cover body, and the axis of the supporting ring coincides with the axis of the cylindrical protective cover.

8. An extra-high voltage super-long insulator assembling and protecting device according to claim 6, characterized in that: A plurality of first half-spiral supporting portions are arranged in the half-cylindrical cover body in the vertical direction, a plurality of second half-spiral supporting portions are arranged in each half-cylindrical buckle cover in the vertical direction, the first half-spiral supporting portions and the second half-spiral supporting portions are connected and form a complete supporting spiral portion when the half-cylindrical buckle cover is buckled on the half-cylindrical cover body, and the supporting spiral portion spirally extends along the axis of the cylindrical protective cover.

9. The EHV extra long insulator assembling and protecting device according to claim 4, characterized in that: The height adjusting mechanism comprises a vertical screw threadedly connected to an adapter plate on the mounting seat, a second operating hand wheel is arranged at the lower end of the vertical screw, the upper end of the vertical screw is rotatably connected to the lower end of an adapter seat, and the adapter seat is in transmission connection with the adjusting screw.

10. The EHV extra long insulator assembling and protecting device according to claim 9, characterized in that: An internally-threaded sleeve is rotatably connected to the adapter seat, the adjusting screw passes through the internally-threaded sleeve and is in threaded connection with the internally-threaded sleeve, a locking screw is threadedly connected to the adapter seat, and the end of the locking screw is locked to the outer wall of the internally-threaded sleeve.

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