The content of the invention
The technical problems to be solved by the invention are just to provide one kind and live across stringing protection device, overcome existing leap
The installation complexity and the relatively low shortcoming of safety coefficient of frame so that can be in situation about not having a power failure in high pressure stringing work progress
Under, fast and safely carry out protection work.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that:One kind lives across stringing protection device,
Crossed line both sides are arranged symmetrically, including the fixed pole for standing on ground, and the pole includes hypomere vertical rod, epimere vertical rod
And at least one section stage casing vertical rod between hypomere vertical rod and epimere vertical rod, the hypomere vertical rod, stage casing vertical rod and epimere
It is assembled together between vertical rod by threaded fastener, vertical rod is along the circumferential direction evenly equipped with some bracing wires, bracing wire is connected with earth anchor
And tense rocking arm is hinged with the top of pole, the epimere vertical rod, the front portion of the rocking arm is provided with after catch net, the rocking arm
Portion is provided with balancing weight, and the hypomere vertical rod, which is provided with, to be provided with line slideway, the line slideway and can be glided along along line slideway
Dynamic sliding block, the sliding block is connected with drawstring and pull rope, the front side connection of the drawstring and rocking arm, the pull rope and traction
Device is connected;Under off working state in the presence of balancing weight, rocking arm is rotated backward, during working condition, and draw-gear is led
Messenger, pull rope pulls sliding block along line slideway slide downward, and drives drawstring to pull downward on rocking arm, rocking arm is turned to forward
Horizontal level, so that the mat set on the rocking arm docking of crossed line both sides, rocking arm is located on crossed line
Side.
Preferably, welding job is spacing in the epimere vertical rod and the spacing work to realize respectively to rocking arm of inoperative
State and the restriction of off working state position.
Preferably, the epimere vertical rod is provided with the holding fixture for holding fixation tightly, between the holding fixture and rocking arm
Provided with bearing revolute pair is formed so as to hold tightly between fixture and rocking arm.
Preferably, the bracing wire includes being connected in epimere vertical rod and in the upper bracing wire of uniform circular arrangement, is connected to
The pull-down line arranged in the vertical rod of stage casing and in uniform circular, the pull-down line is connected by double hook with earth anchor, and the upper bracing wire is led to
Lever Blocks is crossed with earth anchor to be connected.
Preferably, on the ground provided with ground post, the hypomere vertical rod is transferred on ground post by pin.
Preferably, the bottom of the hypomere vertical rod and ground post are in base, the base is fixed by ground nail
On the ground.
Preferably, the draw-gear includes traction electric machine, assembly pulley, the traction electric machine scrolling pull rope was had mercy on sliding
Wheel group band movable slider is down moved along line slideway.
The present invention is arranged symmetrically in crossed line both sides, and position is determined by the width of crossed line, and rocking arm works
Also thus width is determined length.During work, rocking arm rotates to the Planar realization vertical with pole and docked, and makes the guarantor set on rocking arm
Protecting wire net is located above crossed line, so as to play a part of protection to crossed line.
It is of the invention compared with existing crossing frame, it is not necessary to work high above the ground, the assembling of finishing device on ground, after vertical rod,
The protection of alive circuit is realized by device, it is easy to construct, safety coefficient is high, and is easy to transport and assembles, and recycles effect
Rate is high.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description:
Fig. 1 is structural representation of the invention;
Fig. 2 is A direction views in Fig. 1;
Fig. 3 is enlarged drawing at II in Fig. 1;
Fig. 4 is the attachment structure schematic diagram of pole and rocking arm;
Fig. 5 is rocking arm assembling structure schematic diagram;
Fig. 6 be pole, post and base attachment structure schematic diagram;
Schematic diagrames of the Fig. 7 for the present invention when crossed line both sides are arranged symmetrically.
Reference:
1. pole, 2. balancing weights, 3. rocking arms, 4. spacing ropes, 5. epimere vertical rods, 6. stage casing vertical rods, 7. line slide rails, 8.
Sliding block, 9. hypomere vertical rods, 10. bases, 11. assembly pulleys, 12. traction electric machines, 13. earth anchors, 14. Lever Blocks, 15. double hooks, 16.
Pull-down line, bracing wire on 17., 18. drawstrings, 19. work are spacing, and 20. inoperatives are spacing, 21. catch nets, 22. first screw threads for fastening
Part, 23. bearings, 24. hold fixture, 25. second threaded fasteners, 26. pins, 27. ground posts, 28. ground nails tightly.
Embodiment
The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but under
Embodiment only the preferred embodiments of the present invention are stated, and it is not all.Based on the embodiment in embodiment, those skilled in the art
Other embodiment is obtained on the premise of creative work is not made, protection scope of the present invention is belonged to.
As depicted in figs. 1 and 2, one kind lives across line protective devices, including the fixed pole 1 for standing on ground, embraces
Bar 1 is using cylinder hollow structure (LB-3 types pole can also, depending on actual conditions, it mainly provides support effect).It is described
Pole 1 includes hypomere vertical rod 9, epimere vertical rod 5 and at least one section stage casing between hypomere vertical rod 9 and epimere vertical rod 5 is stood
Bar 6.The adjustment of present apparatus height can be realized according to the height of crossed line, main to utilize stage casing vertical rod 6, general hypomere is stood
Bar is highly 8 meters, and epimere vertical rod is highly 8 meters, and vertical rod single height in stage casing is 6 meters, can determine that stage casing is stood according to actual needs
The quantity of bar.
Pole 1 is along the circumferential direction evenly equipped with some bracing wires, and bracing wire is connected with earth anchor 13 and tenses pole.Specific to this implementation
Example, bracing wire includes being connected in epimere vertical rod 5 and in the upper bracing wire 17 of uniform circular arrangement, is connected in stage casing vertical rod 6 and is in
The pull-down line 16 of uniform circular arrangement, pull-down line 16 is connected by double hook 15 with earth anchor 13, and upper bracing wire 17 passes through Lever Blocks 14
It is connected with earth anchor.The secure localization of whole device is realized by bracing wire.
Hypomere vertical rod 9 is provided with line slideway 7, the line slideway 7 provided with the cunning that can be slided up and down along line slideway
Block 8, the sliding block 8 is connected with drawstring 18 and pull rope, and the front side connection of the drawstring and rocking arm, the pull rope is filled with traction
Put connection.
Welding job spacing 19 and inoperative spacing 20 are to realize working condition and non-work to rocking arm 3 in epimere vertical rod 5
Make the restriction of state position.Work spacing 19 prevent rocking arm be in singular position, work spacing 18 and spacing rope 4 prevent rocking arm
Rotational angle is excessive, influences crossed line.
The positioning to holding fixture tightly is realized in epimere vertical rod provided with annular groove, has an annular groove to be equipped with every 3 meters of positions corresponding
Work spacing 19 and inoperative spacing 20 and spacing rope 4, realize to the spacing of rocking arm.Work spacing 19 and inoperative limit
Held tightly by holding fixture (such as anchor ear) tightly in annular groove position 20.
As shown in figure 3, passing through the first threaded fastener 22 between the hypomere vertical rod 9, stage casing vertical rod 6 and epimere vertical rod 5
It is assembled together.
As shown in Fig. 2, Fig. 4 and Fig. 5, the front portion of rocking arm 3 is provided with catch net 21, and the epimere vertical rod 5 is solid provided with holding tightly
Fixed holding fixture 24, holds fixture 24 tightly and is held tightly by the second threaded fastener 25 and fixed, holding fixture 24 and the rocking arm 3 it
Between be provided with bearing 23, hold fixture tightly and be provided with rotating shaft, bearing is installed on rocking arm 3, shaft support is on bearing 23, so as to hold fixture tightly
Revolute pair is formed between 24 and rocking arm 3.
As shown in fig. 6, on the ground provided with ground post 27, the hypomere vertical rod 9 is transferred on ground post 27 by pin 26.And
And, the bottom of the hypomere vertical rod and ground post are in base 10, and the base 10 is fixed on the ground by ground nail 28.
As shown in fig. 7, being arranged symmetrically the present apparatus in crossed line both sides, position is determined by the width of crossed line,
And also thus width is determined rocking arm active length.During work, rocking arm rotates to the Planar realization vertical with pole and docked, so that right
Crossed line plays a part of protection.
Under off working state, the assembling of rocking arm 3 and pole 1 is carried out on ground, in the presence of balancing weight 2, rocking arm 3 is backward
Rotate, the catch net 21 of rocking arm 3 will not be realized with the alive circuit being spanned and intersected during pole is upright.
Draw-gear includes traction electric machine 12, assembly pulley 11, during work, the scrolling pull rope of traction electric machine 12, pulls sliding block 8
Down moved along line slide rail 7, drive drawstring 18, so as to pull rocking arm 3 to turn to operating position, i.e. horizontal level, realization pair
It is spanned the protection of circuit.
Because rocking arm can hang catch net in itself, while using the operation principle of crank block, when sliding block moves along a straight line
The rotation of rocking arm is realized, the plane vertical with pole is turned to, the protection to circuit is realized.So as to increase protection domain.
Can be according to shown in Fig. 4 and Fig. 5, realizing rocking arm 3 and hold the assembling of fixture 24, mainly bearing 23 tightly on ground
Assembling, it is ensured that rocking arm 3 forms revolute pair between and holding fixture 24 tightly.And carry out hanging catch net 21 on ground.
Before being constructed, with reference to the height and certain safe altitude of crossed line, calculate used in stage casing vertical rod 6
Quantity.Consider that the own wt and circuit of rocking arm drop to the impulse force applied on safety net, rule of thumb formula is calculated
Go out the specification of drawstring 18 and spacing rope 4, the weight of balancing weight 2 according to needed for net rocking arm and net re-computation, so as to play flat
The effect of weighing apparatus.Pull tension gauge according to needed for being rotated rocking arm 3 calculates the tractive force of corresponding drawstring 18, so as to select to lead accordingly
Draw motor 12 and pull rope and select assembly pulley 11.
After all parts are all selected, the assembling of the present apparatus is realized according to Fig. 1.Hypomere vertical rod 9 and ground post 27 first
Between the revolute pair formed is connected by pin 26, base 10 is fixed on the ground by ground nail 28 afterwards.Welded in hypomere vertical rod 9
Line slide rail 7, the top shoe 8 of line slide rail 7 realizes linear motion.Hypomere vertical rod 9 can be tight by screw thread with many stage casing vertical rods 6
Firmware is fixed.
Secondly epimere vertical rod 5 and the assembling of associated components are carried out.Annular groove in epimere vertical rod 5 can position holding fixture
24, so that the assembling of rocking arm 3 and epimere vertical rod 5 is realized, after assembling is completed, solderable balancing weight 2 and spacing rope 4.On
Section vertical rod 5 is also needed in annular groove periphery welding job spacing 19 and inoperative spacing 20.
After the assembling of epimere vertical rod 5 is completed, the assembling of epimere vertical rod and stage casing vertical rod is carried out by threaded fastener.
After the whole assembling of pole 1 is completed, the upright process of pole 1 is realized in the presence of drawstring 18, now, due to
The effect of pouring weight 2, whole rocking arm 3 is in erectility, i.e. off working state.After upright, can by the auxiliary positioning of base 10,
And be connected in the presence of the upper bracing wire 17 and pull-down line 16 and Lever Blocks 14 and double hook 15 that uniform circular is arranged with earth anchor 13,
Secure localization is realized in the presence of pulling force.
During work, the scrolling pull rope of traction electric machine 12 pulls sliding block 8 to realize the down motion of sliding block, drives drawstring 18, from
And pull rocking arm 3 to turn to operating position, i.e. horizontal level, realize the protection to being spanned circuit.
After stringing is completed, tractive force is slowly uninstalled, in the presence of balancing weight 2, rocking arm 3 returns to inoperative shape
State, then fell pole 1, carries out the dismounting of each several part.
It is that code fo practice can be realized and recycled according to the present apparatus, and convenient assembly and disassembly and transports.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, and is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in embodiment above
Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the scope of claims.