CN113789947B

CN113789947B - Insulating auxiliary platform for rapidly improving cross arm installation in distribution network emergency maintenance operation

Info

Publication number: CN113789947B
Application number: CN202111153138.1A
Authority: CN
Inventors: 李元华; 李洪丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-08-19
Anticipated expiration: 2041-09-29
Also published as: CN113789947A

Abstract

The invention relates to an auxiliary platform, in particular to an insulating auxiliary platform for quickly lifting cross arm installation in distribution network emergency repair operation. The invention aims to solve the technical problem of providing an insulating auxiliary platform which can convey tools or replaced parts, improve the emergency repair efficiency, avoid electric shock of maintainers and quickly improve the cross arm installation in the emergency repair operation of a distribution network, and has high safety. In order to solve the technical problem, the invention provides an insulation auxiliary platform for quickly lifting cross arm installation in distribution network emergency repair operation, which comprises a supporting platform, a guardrail, an arc-shaped sliding block, a guide frame and the like; the supporting platform top is connected with the guardrail, and supporting platform's left end sub-unit connection has the arc slider, and supporting platform's bottom is connected with the leading truck. The lower fixed clamping plate, the lower movable clamping plate, the upper fixed clamping plate, the upper movable clamping plate and the friction strip can be fastened on the telegraph pole through the limiting mechanism, and the friction force can be improved through the friction strip and the rubber plate.

Description

Insulating auxiliary platform for rapidly improving cross arm installation in distribution network emergency maintenance operation

Technical Field

The invention relates to an auxiliary platform, in particular to an insulating auxiliary platform for quickly lifting cross arm installation in distribution network emergency repair operation.

Background

Along with the development of society, the power grid of China is more and more powerful, and the power grid needs personnel to maintain at ordinary times, needs to salvage when power supply failure occurs, often meets the problem of climbing operation in the process of salvage, and ladders, climbers and the like are common climbing tools.

Through searching, the patent application numbers are: CN201920858756.8 patent discloses an operation platform for first-aid repair of distribution network, which comprises an operation platform base, wherein an insulating rubber ground mat is laid on the upper surface of the operation platform base, a tool box is fixedly connected above the operation platform base, a first railing is fixedly connected to one side of the operation platform base, a plurality of second railings are fixedly connected to two sides of the first railing on the upper surface of the operation platform base, a hinge is movably connected to one side of the operation platform base, a third railing is movably connected to one side of the hinge away from the operation platform base, a working lamp is movably connected to the upper end of the first railing, and a plurality of pin shafts are fixedly connected to two sides above the third railing; when the part that needs transport means or carry the change when the maintainer overhauls in the above-mentioned patent, need will cut the fork arm and descend and rise again, extravagant salvage time, can't carry out insulating parcel to other cable conductors when salvageing moreover, the maintainer touches the cable conductor easily and leads to electrocuteeing, has the potential safety hazard.

Disclosure of Invention

(1) Technical problem to be solved

In order to overcome the defects that when a maintainer needs to convey a tool or convey a replaced part during maintenance, the scissor arm needs to be lowered and then raised, the rush-repair time is wasted, and potential safety hazards exist in the above patents, the invention provides the insulating auxiliary platform which can convey the tool or the replaced part, improve the rush-repair efficiency, avoid electric shock of the maintainer, and quickly improve the installation of the cross arm in the distribution network rush-repair operation with high safety.

(2) Technical scheme

In order to solve the technical problem, the invention provides an insulating auxiliary platform for quickly lifting cross arm installation in distribution network emergency repair operation, which comprises a supporting platform, a guardrail, an arc-shaped sliding block, a guide frame, an upper fixed clamping plate, an upper movable clamping plate, a lower fixed clamping plate, a lower movable clamping plate, stand columns, a friction strip, a fixing mechanism and a limiting mechanism, wherein the top of the supporting platform is connected with the guardrail, the lower part of the left end of the supporting platform is connected with the arc-shaped sliding block, the bottom of the supporting platform is connected with the guide frame, the bottom of the arc-shaped sliding block is connected with the upper fixed clamping plate and the upper movable clamping plate in a sliding manner, the upper fixed clamping plate is hinged with the front end of the upper movable clamping plate, the left end of the guide frame is connected with the lower fixed clamping plate and the lower movable clamping plate in a sliding manner, the lower fixed clamping plate is hinged with the front end of the lower movable clamping plate, the rear side of the top of the lower movable clamping plate and the front and back sides of the top of the lower fixed clamping plate are both connected with the stand columns, the stand is connected with the friction strip that can with wire pole frictional contact, and the bottom of lower solid fixed splint and last solid fixed splint all is connected with fixed establishment, and the top of lower solid fixed splint and last solid fixed splint all is connected with stop gear, and stop gear on the solid fixed splint of lower part is used for fixed solid fixed splint and lower movable splint, and stop gear on the solid fixed splint of upper part is used for fixed solid fixed splint and upper movable splint.

Preferably, fixed establishment is including arc connecting block, chain, thread bush, screw rod and first handle, and lower solid fixed splint and last solid fixed splint bottom all are connected with the arc connecting block, and the rear end of arc connecting block is connected with the chain with the detachable mode, and the front end of arc connecting block is connected with the thread bush, and thread bush internal thread is connected with the screw rod, and the right-hand member of screw rod is connected with first handle, and the left end of screw rod is connected with the tail end rotary type of chain.

Preferably, stop gear is including guide bar, lifter plate, first inserted bar and ordinary spring, and the equal vertical guide bar that is connected with in the top front side of lower solid fixed splint and last solid fixed splint, and the gliding style ground is connected with the lifter plate on the guide bar, and the left end of lifter plate is connected with first inserted bar, is connected with ordinary spring between lifter plate top and the guide bar top, and the jack has all been opened at the front end top of lower movable splint and last movable splint.

Preferably, still including rotary mechanism, rotary mechanism is used for driving supporting platform rotatory, and rotary mechanism is including having hollow rotating shaft, gear, second handle and arc rack, and supporting platform's left side rotary type ground through connection has hollow rotating shaft, and the lower extreme of hollow rotating shaft is connected with the gear, and the upper end of hollow rotating shaft is connected with the second handle, all is connected with the arc rack on the lateral surface of last solid fixed splint and last movable splint, arc rack and gear engagement.

Preferably, still including positioning mechanism, positioning mechanism is used for fixed support platform, positioning mechanism is including the carriage release lever, L type baffle, the second inserted bar, inserted block and reset spring, be connected with the carriage release lever in the hollow rotating shaft vertically slidingly, support platform's bottom left side is connected with L type baffle, the carriage release lever outside is located to the left side cover of L type baffle, the lower extreme of carriage release lever is connected with the second inserted bar, be connected with reset spring between L type baffle bottom and the carriage release lever lower part, all be connected with on lower solid fixed splint and the lower movable splint with second inserted bar complex inserted block.

Preferably, the emergency repair device further comprises a conveying mechanism, the conveying mechanism is used for conveying tools required in emergency repair operation or accessories required in maintenance and replacement, the conveying mechanism comprises a connecting frame, a wire rack, a reel, a first pull wire, a second pull wire, a lifting frame, wire guide wheels, a cover plate, a cover opening spring and a limiting plate, the upper portion of the front side of the guardrail is connected with the connecting frame, the left side of the connecting frame is connected with the wire rack, the rear end of the connecting frame is rotatably connected with the reel, the rear side of the reel is connected with a hand wheel, the first pull wire is wound on the reel and penetrates through the wire rack, the front end of the first pull wire is connected with the second pull wire, the cover plate is connected between the two ends of the second pull wire, the lifting frame is slidably connected with the bottom of the cover plate, the left side and the right side of the rear portion of the lifting frame are both connected with the two wire guide wheels, the two ends of the second pull wire are wound around the two wire guide wheels on the two sides respectively, the cover plate is connected between the lower portion of the front end of the cover plate and the upper portion of the lifting frame, the middle part of the supporting platform is horizontally connected with a limiting plate in a sliding manner, and the limiting plate is used for supporting the lifting frame.

Preferably, still including insulating assembly, insulating assembly is including insulating slide bar, U type backplate, insulating guide rail, the bracing piece, the wedge, compression spring, handle and ratchet, both sides all are connected with two insulating slide bars with slidingtype around the guardrail, two insulating slide bar bilateral symmetry, all be connected with U type backplate between two insulating slide bars of front side and between two insulating slide bars of rear side, the bottom of U type backplate is connected with insulating guide rail, insulating guide rail bottom is connected with the bracing piece with slidingtype, the lower extreme of bracing piece is connected with the wedge with slidingtype, be connected with compression spring between wedge and the bracing piece, wedge upper portion right side is connected with the handle, the high slope in the low right side in the left side of guardrail front side is provided with wedge complex ratchet.

Preferably, rubber plates are arranged on the inner sides of the lower fixed splint, the lower movable splint, the upper fixed splint and the upper movable splint.

Preferably, the material of the U-shaped guard plate is ceramic.

(3) Advantageous effects

1. The lower fixing clamping plate, the lower movable clamping plate, the upper fixing clamping plate, the upper movable clamping plate and the friction strip can be fastened on the telegraph pole through the limiting mechanism, friction can be improved through the friction strip and the rubber plate, the device is prevented from sliding down on the telegraph pole, the device can be further fixed on the telegraph pole through the arranged fixing mechanism, the device is further prevented from sliding down, the stability is improved, and the safety of electrical power rush-repair personnel is guaranteed.

2. The rotary mechanism can conveniently realize circumferential movement of the supporting platform around the telegraph pole, the operation position of emergency repair personnel can be adjusted, the practicability is improved, the supporting platform can be fixed through the positioning mechanism after the position of the supporting platform is adjusted, the situation that the emergency repair personnel cause the supporting platform to move when exerting force is avoided, the stability of the supporting platform is improved, and the emergency repair personnel can work conveniently.

3. The conveying mechanism that sets up can conveniently transport the instrument that needs or the accessory of dismantlement in salvageing, does not need people to carry, can alleviate the personnel of salvageing heavy burden, also need not use other lifting device to transport moreover, the material resources of using manpower sparingly.

4. The exposed electric wire can be supported and insulated through the insulating assembly, so that the electric shock caused by the fact that the emergency repair personnel touch the exposed electric wire in operation is avoided, and the personal safety of the emergency repair personnel is effectively guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the rotating mechanism of the present invention.

Fig. 3 is a schematic perspective view of the limiting mechanism of the present invention.

Fig. 4 is a schematic perspective view of a first fixing mechanism according to the present invention.

Fig. 5 is a schematic perspective view of a second fixing mechanism according to the present invention.

Fig. 6 is a schematic perspective view of the positioning mechanism of the present invention.

Fig. 7 is a schematic perspective view of the conveying mechanism of the present invention.

Fig. 8 is a schematic partial perspective view of a first conveying mechanism according to the present invention.

Fig. 9 is a schematic partial perspective view of a second conveying mechanism of the present invention.

Fig. 10 is a perspective view of the insulating assembly of the present invention.

Fig. 11 is a cross-sectional view of an insulation assembly of the present invention.

Fig. 12 is a partial perspective view of the insulation assembly of the present invention.

The labels in the figures are: 1-arc slide block, 2-lower fixed splint, 3-lower movable splint, 4-upper fixed splint, 5-upper movable splint, 6-upright post, 7-rubbing strip, 8-supporting platform, 81-guardrail, 9-guide frame, 10-fixing mechanism, 101-arc connecting block, 102-chain, 103-thread bush, 104-screw rod, 105-first handle, 11-limiting mechanism, 111-guide rod, 112-lifting plate, 113-first inserted rod, 114-common spring, 115-jack, 12-rotating mechanism, 121-hollow rotating shaft, 122-gear, 123-second handle, 124-arc rack, 13-positioning mechanism, 131-moving rod, 132-L type guide plate, 133-second inserted bar, 134-inserted block, 135-reset spring, 14-conveying mechanism, 141-connecting frame, 142-lead frame, 143-reel, 144-first pull wire, 145-second pull wire, 146-lifting frame, 147-lead wheel, 148-cover plate, 149-cover spring, 1410-limiting plate, 15-insulating component, 151-insulating slide bar, 152-U-shaped guard plate, 153-insulating guide rail, 154-supporting bar, 155-wedge block, 156-compression spring, 157-handle and 158-ratchet bar.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Example 1

An insulating auxiliary platform for cross arm installation in rapid lifting distribution network rush-repair operation is disclosed, as shown in fig. 1-5, comprising a supporting platform 8, a guardrail 81, an arc-shaped sliding block 1, a guide frame 9, an upper fixed splint 4, an upper movable splint 5, a lower fixed splint 2, a lower movable splint 3, a stand column 6, a friction strip 7, a fixing mechanism 10 and a limiting mechanism 11, wherein the top of the supporting platform 8 is connected with the guardrail 81 by a bolt connection mode, the lower part of the left end of the supporting platform 8 is connected with the arc-shaped sliding block 1 by a bolt connection mode, the bottom of the supporting platform 8 is connected with the guide frame 9 by a bolt connection mode, the bottom of the arc-shaped sliding block 1 is connected with the upper fixed splint 4 and the upper movable splint 5 in a sliding way, the upper fixed splint 4 is hinged with the front end of the upper movable splint 5 by a shaft rod connection mode, the left end of the guide frame 9 is connected with the lower fixed splint 2 and the lower movable splint 3 in a sliding way, articulated the being connected through the mode that the axostylus axostyle is connected between the front end of lower solid fixed splint 2 and lower movable splint 3, equal welded connection in both sides has stand 6 around lower solid fixed splint 3 top rear side and the lower solid fixed splint 2 top, be connected with on the stand 6 can with wire pole frictional contact's friction strip 7, lower solid fixed splint 2, lower movable splint 3, it all is equipped with the rubber slab to go up solid fixed splint 4 and last movable splint 5 inboard, the bottom of solid fixed splint 2 and last solid fixed splint 4 all is connected with fixed establishment 10 down, the top of solid fixed splint 2 and last solid fixed splint 4 all is connected with stop gear 11 down, stop gear 11 on the solid fixed splint 2 is used for fixed solid fixed splint 2 and lower movable splint 3 down, stop gear 11 on the last solid fixed splint 4 is used for fixed solid fixed splint 4 and last movable splint 5.

Fixing mechanism 10 is including arc connecting block 101, chain 102, thread bush 103, screw rod 104 and first handle 105, lower solid fixed splint 2 and last solid fixed splint 4 bottom all are connected with arc connecting block 101 through bolted connection's mode, the mode that the rear end of arc connecting block 101 was connected with chain 102 through the screw thread, the front end of arc connecting block 101 is connected with thread bush 103, thread bush 103 internal thread connection has screw rod 104, the right-hand member of screw rod 104 is connected with first handle 105 through welded connection's mode, the left end of screw rod 104 is connected with the tail end rotary type of chain 102.

Stop gear 11 is including guide bar 111, lifter plate 112, first inserted bar 113 and ordinary spring 114, the equal vertical welded connection in top front side of lower solid fixed splint 2 and last solid fixed splint 4 has guide bar 111, be connected with lifter plate 112 on the guide bar 111 with sliding, lifter plate 112 level sets up, lifter plate 112's left end is connected with first inserted bar 113, first inserted bar 113's shape is the cylinder, be connected with ordinary spring 114 between lifter plate 112 top and the guide bar 111 top, the guide bar 111 outside is located to ordinary spring 114 cover, jack 115 has all been opened at the front end top of lower movable splint 3 and last movable splint 5, jack 115 is circular.

When the emergency power repair is needed, the chain 102 is detached from the arc-shaped connecting block 101, the lifting plate 112 is pulled upwards, the common spring 114 is compressed, the first inserted bar 113 is pulled out from the jack 115, the lower movable clamping plate 3 and the upper movable clamping plate 5 are rotated to be opened in a counterclockwise rotation manner, the lower fixed clamping plate 2, the lower movable clamping plate 3, the upper fixed clamping plate 4 and the upper movable clamping plate 5 are sleeved on the outer side of the telegraph pole, then the lower movable clamping plate 3 and the upper movable clamping plate 5 are rotated to be closed in a clockwise rotation manner, the friction strip 7 is contacted with the telegraph pole, the lifting plate 112 is loosened, the lifting plate 112 is driven to move downwards under the action of the common spring 114, so that the first inserted bar 113 moves downwards to be inserted into the jack 115, the lower fixed clamping plate 2, the lower movable clamping plate 3, the upper fixed clamping plate 4 and the upper movable clamping plate 5 are fixed, the friction force can be improved through the rubber plate and the friction strip 7, and then the chain 102 is buckled on the arc-shaped connecting block 101, make chain 102 hug closely the wire pole, then twist first handle 105, first handle 105 drives screw 104 and rotates and turn right the removal, chain 102 is taut thereupon, so can make supporting platform 8 fixed more firm, then salvage personnel stand on supporting platform 8, guardrail 81 can play the guard action, it rotates on last solid fixed splint 4 and last movable splint 5 to rotate supporting platform 8 accessible arc slider 1, leading truck 9 can rotate on solid fixed splint 2 and lower movable splint 3 down, thereby personnel's salvageed angle is salvageed in the adjustment. When the device needs to be detached from the telegraph pole, the first handle 105 is reversely screwed to drive the screw 104 to rotate and move left, the chain 102 is loosened, then the chain 102 is detached from the arc-shaped connecting block 101, then the lifting plate 112 is pulled to move upwards to pull the first inserting rod 113 out of the inserting hole 115, the common spring 114 is compressed, the lower movable clamping plate 3 and the upper movable clamping plate 5 rotate anticlockwise, and then the lifting plate 112 is loosened, so that the device can be detached from the telegraph pole.

Example 2

On the basis of embodiment 1, as shown in fig. 1, fig. 2 and fig. 6, the clamping device further includes a rotating mechanism 12, the rotating mechanism 12 is used for driving the supporting platform 8 to rotate, the rotating mechanism 12 includes a hollow rotating shaft 121, a gear 122, a second handle 123 and an arc-shaped rack 124, the left side of the supporting platform 8 is connected with the hollow rotating shaft 121 in a manner of being connected through a bearing seat, the lower end of the hollow rotating shaft 121 is connected with the gear 122 in a manner of being connected through interference, the upper end of the hollow rotating shaft 121 is connected with the second handle 123, the outer side surfaces of the upper fixed clamping plate 4 and the upper movable clamping plate 5 are both connected with the arc-shaped rack 124 in a manner of being connected through a bolt, and the arc-shaped rack 124 is meshed with the gear 122.

When the supporting platform 8 needs to rotate, the second handle 123 is rotated to drive the hollow rotating shaft 121 to rotate, the hollow rotating shaft 121 drives the gear 122 to rotate, the gear 122 rotates along the circumferential direction of the arc-shaped rack 124 under the action of the arc-shaped rack 124, the supporting platform 8 moves along with the gear, and after the supporting platform is moved to a proper position, the second handle 123 stops rotating.

Still including positioning mechanism 13, positioning mechanism 13 is used for fixed supporting platform 8, positioning mechanism 13 is including carriage release lever 131, L type baffle 132, second inserted bar 133, inserted block 134 and reset spring 135, vertically be connected with carriage release lever 131 in the hollow pivot 121 slidingly, hollow pivot 121 top is run through at the carriage release lever 131 top, supporting platform 8's bottom left side welded connection has L type baffle 132, open on the left side of L type baffle 132 has the guide hole, L type baffle 132 locates the carriage release lever 131 outside through the guide hole cover, the lower extreme of carriage release lever 131 is connected with second inserted bar 133, be connected with reset spring 135 between L type baffle 132 bottom and the carriage release lever 131 lower part, all be connected with the inserted block 134 with second inserted bar 133 complex on lower fixed splint 2 and the lower movable splint 3, the quantity of inserted block 134 is three, open the hole in the middle part of inserted block 134.

When supporting platform 8 needs to rotate the adjustment position, pulling movable rod 131 upward movement, second inserted bar 133 is along with upward movement and is extracted from inserted block 134, reset spring 135 compresses, so can rotate supporting platform 8, make second inserted bar 133 remove to the inserted block 134 directly over, loosen movable rod 131, drive second inserted bar 133 under reset spring 135 and insert in the inserted block 134, so can fix supporting platform 8, avoid salvageing personnel to lead to supporting platform 8 to remove when exerting oneself, supporting platform 8's stability has been improved, also can conveniently salvage personnel and carry out work.

Example 3

In addition to embodiment 2, as shown in fig. 1, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11 and fig. 12, the transporting mechanism 14 is further included, the transporting mechanism 14 is used for transporting tools required for emergency repair work or accessories for maintenance and replacement, the transporting mechanism 14 includes a connecting frame 141, a lead frame 142, a reel 143, a first pulling wire 144, a second pulling wire 145, a lifting frame 146, a wire guiding wheel 147, a cover plate 148, a door opening spring 149 and a stopper plate 1410, the upper portion of the front side of the guardrail 81 is connected with the connecting frame 141 by welding, the left side of the connecting frame 141 is connected with the lead frame 142 by welding, the rear end of the connecting frame 141 is connected with the reel 143 by rotating shaft, the rear side of the reel 143 is connected by bolting, the reel 143 is wound with the first pulling wire 144, the first pulling wire 144 penetrates through the lead frame 142, the front end of the first pulling wire 144 is connected with the second pulling wire 145 by a wire buckle, be connected with apron 148 between the both ends of second acting as go-between 145, apron 148 bottom is connected with lift frame 146 slidingly, lift frame 146's shape is the rectangle, the left and right sides at lift frame 146 rear portion all is connected with two wire wheels 147, two wire wheels 147 of both sides are walked around respectively to the both ends of second acting as go-between 145, be connected with uncap spring 149 between the front end lower part of apron 148 and the front side upper portion of lift frame 146, uncap spring 149 is equipped with three, supporting platform 8 middle part level slidingly is connected with the limiting plate 1410 that is used for supporting lift frame 146, limiting plate 1410 runs through supporting platform 8.

Initially, the cover plate 148 is in an open state, when the replaced accessories need to be conveyed to the ground in the emergency repair process, the replaced accessories are placed in the lifting frame 146, then the limiting plate 1410 is pulled to move backwards, the lifting frame 146 loses support and descends downwards, the hand wheel is manually held, when the lifting frame 146 has certain gravity, the lifting frame 146 descends downwards, the cover plate 148 is driven to be closed through the traction of the first pull wire 144 and the second pull wire 145, the cover-opening spring 149 compresses, then the hand wheel is rotated anticlockwise to drive the reel 143 to rotate to release the first pull wire 144, the lifting frame 146 continues descending downwards, when the lifting frame 146 descends to the ground, the hand wheel stops rotating, the cover plate 148 is bounced under the action of the cover-opening spring 149, and then the replaced accessories are taken out. When the tool needs to be conveyed, the tool can be placed in the lifting frame 146, the hand wheel is rotated clockwise to drive the reel 143 to wind the first pull wire 144, the cover plate 148 and the lifting frame 146 are driven to be closed through the second pull wire 145, the lifting frame 146 can be conveyed upwards by continuously rotating the hand wheel, when the lifting frame 146 moves to a position higher than the limiting plate 1410, the limiting plate 1410 is pushed forwards, the lifting frame 146 is blocked through the limiting plate 1410, then the hand wheel is loosened, the lifting frame 146 falls on the limiting plate 1410, the cover plate 148 is flicked through the cover opening spring 149, and therefore the tool in the lifting frame 146 can be taken out.

The guardrail comprises an insulation assembly 15, the insulation assembly 15 comprises insulation sliding rods 151, a U-shaped guard plate 152, insulation guide rails 153, support rods 154, wedge blocks 155, compression springs 156, a handle 157 and ratchet racks 158, two insulation sliding rods 151 are connected to the front side and the rear side of a guardrail 81 in a sliding mode, the insulation sliding rods 151 penetrate into the guardrail 81, the two insulation sliding rods 151 are in bilateral symmetry, the U-shaped guard plate 152 is connected between the two insulation sliding rods 151 on the front side and between the two insulation sliding rods 151 on the rear side in a bolt connection mode, the U-shaped guard plate 152 is made of ceramic which has good insulation, the insulation guide rails 153 are connected to the bottom of the U-shaped guard plate 152, the support rods 154 are connected to the bottom of the insulation guide rails 153 in a sliding mode, the support rods 154 are in a wedge shape, the wedge blocks 155 are connected to the lower ends of the support rods 154 in a sliding mode, the compression springs 156 are connected between the support rods 155 and the support rods 154, the compression spring 156 is sleeved on the outer side of the upper portion of the wedge block 155, the handle 157 is connected to the right side of the upper portion of the wedge block 155 in a welding connection mode, and the ratchet bar 158 matched with the wedge block 155 is obliquely arranged on the left, low, right and high of the front side of the guardrail 81.

When this device is fixed in the upper portion position of wire pole, make U type backplate 152 adjust to the electric wire under, promote bracing piece 154 and remove rightwards, wedge 155 moves to the upper right side along the back of tooth of ratchet 158, drive insulating guide 153 and U type backplate 152 through bracing piece 154 and upwards move, insulating slide bar 151 plays the guide effect, after U type backplate 152 parcel is in the outside of electric wire, stop promoting bracing piece 154, so the position of accessible ratchet 158 fixed wedge 155, U type backplate 152 is also fixed, can play insulating effect through U type backplate 152, avoid salvage personnel to touch naked electric wire when the operation and lead to electrocuteeing, salvage personnel's personal safety has been guaranteed effectively. When the U-shaped guard plate 152 needs to descend, the handle 157 can be pulled to move upwards, the handle 157 moves upwards to drive the wedge block 155 to move upwards, then the supporting rod 154 is pushed to move leftwards to the left end of the insulating guide rail 153, the handle 157 and the supporting rod 154 are loosened, and the U-shaped guard plate 152 and the insulating sliding rod 151 move downwards.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An insulating auxiliary platform for quickly lifting cross arm installation in distribution network rush-repair operation is characterized by comprising a supporting platform (8), a guardrail (81), an arc-shaped sliding block (1), a guide frame (9), an upper fixed splint (4), an upper movable splint (5), a lower fixed splint (2), a lower movable splint (3), a stand column (6), a friction strip (7), a fixing mechanism (10) and a limiting mechanism (11), wherein the top of the supporting platform (8) is connected with the guardrail (81), the lower part of the left end of the supporting platform (8) is connected with the arc-shaped sliding block (1), the bottom of the supporting platform (8) is connected with the guide frame (9), the bottom of the arc-shaped sliding block (1) is slidably connected with the upper fixed splint (4) and the upper movable splint (5), the upper fixed splint (4) is hinged with the front end of the upper movable splint (5), the left end of the guide frame (9) is slidably connected with the lower fixed splint (2) and the lower movable splint (3), the front ends of the lower fixed splint (2) and the lower movable splint (3) are hinged, the rear side of the top of the lower movable splint (3) and the front and rear sides of the top of the lower fixed splint (2) are both connected with stand columns (6), the stand columns (6) are connected with friction strips (7) capable of being in friction contact with telegraph poles, the bottoms of the lower fixed splint (2) and the upper fixed splint (4) are both connected with fixing mechanisms (10), the tops of the lower fixed splint (2) and the upper fixed splint (4) are both connected with limiting mechanisms (11), the limiting mechanisms (11) on the lower fixed splint (2) are used for fixing the lower fixed splint (2) and the lower movable splint (3), and the limiting mechanisms (11) on the upper fixed splint (4) are used for fixing the upper fixed splint (4) and the upper movable splint (5); rubber plates are arranged on the inner sides of the lower fixed splint (2), the lower movable splint (3), the upper fixed splint (4) and the upper movable splint (5);

the fixing mechanism (10) comprises an arc-shaped connecting block (101), a chain (102), a threaded sleeve (103), a screw rod (104) and a first handle (105), the bottoms of the lower fixing clamp plate (2) and the upper fixing clamp plate (4) are connected with the arc-shaped connecting block (101), the rear end of the arc-shaped connecting block (101) is connected with the chain (102) in a detachable mode, the front end of the arc-shaped connecting block (101) is connected with the threaded sleeve (103), the threaded sleeve (103) is in threaded connection with the screw rod (104), the right end of the screw rod (104) is connected with the first handle (105), and the left end of the screw rod (104) is rotatably connected with the tail end of the chain (102);

the limiting mechanism (11) comprises a guide rod (111), a lifting plate (112), a first insert rod (113) and a common spring (114), the front sides of the tops of the lower fixed clamping plate (2) and the upper fixed clamping plate (4) are vertically connected with the guide rod (111), the lifting plate (112) is connected on the guide rod (111) in a sliding mode, the left end of the lifting plate (112) is connected with the first insert rod (113), the common spring (114) is connected between the top end of the lifting plate (112) and the top end of the guide rod (111), and jacks (115) are formed in the tops of the front ends of the lower movable clamping plate (3) and the upper movable clamping plate (5);

still including rotary mechanism (12), rotary mechanism (12) are used for driving supporting platform (8) rotatory, rotary mechanism (12) are including hollow rotating shaft (121), gear (122), second handle (123) and arc rack (124), the left side rotary type ground through connection of supporting platform (8) has hollow rotating shaft (121), the lower extreme of hollow rotating shaft (121) is connected with gear (122), the upper end of hollow rotating shaft (121) is connected with second handle (123), all be connected with arc rack (124) on the lateral surface of going up solid fixed splint (4) and last movable splint (5), arc rack (124) and gear (122) meshing.

2. The insulation auxiliary platform for cross arm installation in rapid lifting distribution network emergency repair work according to claim 1, the movable support is characterized by further comprising a positioning mechanism (13), the positioning mechanism (13) is used for fixing the support platform (8), the positioning mechanism (13) comprises a movable rod (131), an L-shaped guide plate (132), a second insertion rod (133), an insertion block (134) and a reset spring (135), the movable rod (131) is vertically connected in the hollow rotating shaft (121) in a sliding mode, the L-shaped guide plate (132) is connected to the left side of the bottom of the support platform (8), the outer side of the movable rod (131) is sleeved with the left side of the L-shaped guide plate (132), the second insertion rod (133) is connected to the lower end of the movable rod (131), the reset spring (135) is connected between the bottom of the L-shaped guide plate (132) and the lower portion of the movable rod (131), and the lower fixing clamping plate (2) and the lower movable clamping plate (3) are both connected with the insertion block (134) matched with the second insertion rod (133).

3. The insulation auxiliary platform for cross arm installation in the emergency repair work of the rapid-lifting distribution network according to claim 2, characterized in that the insulation auxiliary platform further comprises a conveying mechanism (14), the conveying mechanism (14) is used for conveying tools required in the emergency repair work or accessories required for maintenance and replacement, the conveying mechanism (14) comprises a connecting frame (141), a lead frame (142), a reel (143), a first pull wire (144), a second pull wire (145), a lifting frame (146), a guide wheel (147), a cover plate (148), a cover opening spring (149) and a limiting plate (1410), the upper part of the front side of the guardrail (81) is connected with the connecting frame (141), the left side of the connecting frame (141) is connected with the lead frame (142), the rear end of the connecting frame (141) is rotatably connected with the reel (143), the rear side of the reel (143) is connected with a hand wheel, the first pull wire (144) is wound on the reel (143), first acting as go-between (144) runs through lead frame (142), the front end of first acting as go-between (144) is connected with second acting as go-between (145), be connected with apron (148) between the both ends of second acting as go-between (145), apron (148) bottom is connected with lift frame (146) slidingly, the left and right sides at lift frame (146) rear portion all is connected with two wire wheels (147), two wire wheels (147) of both sides are walked around respectively at the both ends of second acting as go-between (145), be connected with between the front end lower part of apron (148) and the front side upper portion of lift frame (146) and uncap spring (149), supporting platform (8) middle part level slidingly is connected with limiting plate (1410) that are used for supporting lift frame (146).

4. The insulation auxiliary platform for cross arm installation in the fast-lifting distribution network rush-repair operation is characterized by further comprising an insulation assembly (15), wherein the insulation assembly (15) comprises insulation slide bars (151), a U-shaped guard plate (152), insulation guide rails (153), support bars (154), wedge blocks (155), a compression spring (156), a handle (157) and ratchet bars (158), the front side and the rear side of the guard bar (81) are respectively and slidably connected with two insulation slide bars (151), the two insulation slide bars (151) are bilaterally symmetrical, the U-shaped guard plate (152) is respectively connected between the two insulation slide bars (151) at the front side and between the two insulation slide bars (151) at the rear side, the insulation guide rails (153) are connected to the bottom of the U-shaped guard plate (152), the support bars (154) are slidably connected to the bottom of the insulation guide rails (153), the wedge blocks (155) are slidably connected to the lower ends of the support bars (154), a compression spring (156) is connected between the wedge block (155) and the support rod (154), the right side of the upper part of the wedge block (155) is connected with a handle (157), and a ratchet bar (158) matched with the wedge block (155) is obliquely arranged on the left, the right and the high of the front side of the guardrail (81).

5. The insulating auxiliary platform for cross arm installation in rapid lifting distribution network emergency maintenance operation according to claim 4, characterized in that the U-shaped guard plate (152) is made of ceramic.