CN214633454U - High-altitude anti-falling device for power transmission line - Google Patents
High-altitude anti-falling device for power transmission line Download PDFInfo
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- CN214633454U CN214633454U CN202120667669.1U CN202120667669U CN214633454U CN 214633454 U CN214633454 U CN 214633454U CN 202120667669 U CN202120667669 U CN 202120667669U CN 214633454 U CN214633454 U CN 214633454U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 230000002146 bilateral effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 20
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 229910052742 iron Inorganic materials 0.000 abstract description 10
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The utility model discloses a high-altitude anti-falling device for a power transmission line, which comprises a pulley main body, a connecting rod and slider mechanism, a rotating arm and a pulley assembly; the pulley main body is provided with a lower part and an upper part which are provided with inverted U-shaped grooves as an installation structure of the iron tower installation angle steel; the connecting rod sliding block mechanism comprises a baffle arm, a connecting rod and a sliding block, the baffle arm is a crank arm comprising an inner end section and an outer end section, the corner is rotatably hinged with the pulley main body, two ends of the connecting rod are respectively hinged with the baffle arm extending section and the sliding block, and the sliding block is arranged in an installation groove in one side of the upper part of the pulley main body; the rotating arm is horizontally connected to the upper end of the sliding block; two horizontal U-shaped grooves with reverse openings are arranged at the upper end of the pulley main body corresponding to two sides of the mounting groove; when the rotating arm rotates to the state that the two end sections of the rotating arm are respectively positioned in the two horizontal U-shaped grooves, the sliding block is limited vertically, and the inner end section of the blocking arm horizontally blocks the lower inverted U-shaped groove; the pulley components are symmetrically arranged on two sides of the lower inverted U-shaped groove and used for penetrating through the insulating rope. The stores pylon of being connected with the rotor arm can be configured, makes unmanned aerial vehicle take this device to lift off the air through the stores pylon and installs.
Description
Technical Field
The utility model belongs to the transmission line field specifically is a power transmission line high altitude anti-falling device.
Background
At present, transmission line towers in China are composed of cement poles and iron towers, the height of the transmission line towers is basically more than 20 meters, and the height of some high towers is nearly one hundred meters. Generally, an operator climbs by hands to reach an operation position with the height of tens of meters by foot nails vertically arranged along the tower body, so that the potential working hazard is huge, and safety accidents are very easy to happen. And once the worker falls aloft, the worker is expected to be extremely lost. In recent years, with the rise of safety awareness, rail or rope type anti-falling devices are gradually appeared, but most of towers are not installed due to high cost. Some towers are installed, but cannot be normally used for various reasons.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low, the high altitude anti-falling device of the unmanned aerial vehicle installation of being convenient for of input cost.
The utility model provides a high-altitude anti-falling device for a power transmission line, which comprises a pulley main body, a connecting rod and slider mechanism, a rotating arm and a pulley assembly; the pulley body is provided with a lower inverted U-shaped groove and an upper inverted U-shaped groove, and one side of the top of the lower inverted U-shaped groove is communicated with the upper inverted U-shaped groove; the connecting rod sliding block mechanism comprises a blocking arm, a connecting rod and a sliding block, the sliding block is arranged in an installation groove in one side of the upper part of the pulley main body, the upper end of the connecting rod is hinged with the sliding block, the blocking arm is a crank arm comprising an inner end section and an outer end section, the corner is rotatably hinged with the pulley main body, and the outer end section extends out of the pulley main body and is hinged with the lower end of the connecting rod; the rotating arm is horizontally connected to the upper end of the sliding block; horizontal U-shaped grooves are formed in the upper end of the pulley main body corresponding to the two sides of the mounting groove, and the opening directions of the two horizontal U-shaped grooves are opposite; when the rotating arm rotates to enable the two end sections of the rotating arm to be respectively positioned in the two horizontal U-shaped grooves, so that the sliding block is limited vertically, the inner end section of the blocking arm is positioned in a horizontal state to block the lower inverted U-shaped groove of the pulley main body; the pulley component comprises pulleys and pulley supports, and the pulley supports are symmetrically arranged on two sides of the inverted U-shaped groove in the lower portion of the pulley main body.
In one embodiment of the above technical solution, a sliding stroke groove is formed in a vertical center surface of the slider, and a hinge shaft is formed in a center position of an upper end of the slider.
In an embodiment of the above technical solution, a limit screw is connected to the mounting groove of the pulley body, and the sliding travel groove on the slider is sleeved on the limit screw.
In an implementation manner of the above technical scheme, a hinge hole is formed in the center of the rotating arm, and the hinge shaft penetrates through the hinge hole and then is connected with the limiting shaft sleeve.
In one embodiment of the above technical scheme, the upper portion of the connecting rod is a U-shaped head, the two sides of the middle portion of the sliding block are symmetrically provided with lug plates, and the top of the U-shaped head is rotatably hinged with the lug plates through a pin shaft.
In an embodiment of the above technical scheme, there is an overhang slider installation side bottom of coaster body, the corner of keeping off the arm is articulated with the overhang through round pin axle and axle sleeve, and the lower extreme of connecting rod is articulated with the outer end section end that keeps off the arm through round pin axle.
The utility model discloses a set up lower part type groove of falling U and upper portion type groove of falling U in the coaster main part, as the mounting structure of iron tower installation angle steel, connecting rod slider mechanism's slider accessible blend arm locks in the coaster main part, makes the inner section department of blend arm block lower part type groove in the horizontality, and the cooperation of the type groove of falling U in blend arm and the coaster main part promptly will be fixed in on the iron tower with this device installation. This device can dispose the unmanned aerial vehicle stores pylon and be connected with the rotor arm, makes unmanned aerial vehicle take this device to lift off through the unmanned aerial vehicle stores pylon, passes the haulage rope on the pulley in the coaster main part before lifting off. Unmanned aerial vehicle takes whole device to mounted position department back, can make on the installation angle steel of coaster main part automatic installation on the iron tower, then unmanned aerial vehicle takes the unmanned aerial vehicle stores pylon to fly away from. At the moment, ground operation personnel connect the traction rope with the insulating rope and enable the insulating rope to pass through the pulley, overhead operation personnel located below the anti-falling device are connected with a safety belt worn on the body through the insulating rope, and the tower operation can be safely climbed under the protection of the insulating rope.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic axial side structure diagram of the present embodiment.
Fig. 4 is a schematic view of an axial structure of the pulley body in this embodiment.
Fig. 5 is a schematic view of an axial side structure of the link slider mechanism and the rotating arm assembly in the present embodiment.
Detailed Description
As can be seen from fig. 1 to 5, the overhead falling prevention device for the power transmission line disclosed by the embodiment is mounted on an angle iron of an iron tower, and comprises a pulley main body 1, a blocking arm 2, a connecting rod 3, a sliding block 4, a rotating arm 5, a pulley bracket 7 and a pulley 8. This device configuration unmanned aerial vehicle stores pylon 6 passes through the installation of unmanned aerial vehicle on the iron tower.
The lower part and the upper part of the pulley main body 1 are respectively provided with an inverted U-shaped groove, one side of the top of the lower inverted U-shaped groove is communicated with the upper inverted U-shaped groove, and the opening width of the lower U-shaped groove is slightly larger than the edge width of the installation angle steel.
There is the overhang portion vertical one side bottom of coaster main part 1, and this vertical side is provided with slider mounting groove 11, is connected with stop screw XWLD on the vertical central plane of slider mounting groove, and the overhang portion is provided with hinge hole JJJK.
The blocking arm 2 is hinged to the lower end of the connecting rod 3, and the upper end of the connecting rod 3 is hinged to the sliding block 4, namely, the blocking arm, the connecting rod and the sliding block form a connecting rod sliding block mechanism.
The blocking arm 2 is hinged to an outward extending part at the bottom of the pulley main body 1 through a pin shaft and a shaft sleeve, an outer end section and an inner end section are respectively arranged on two sides of the hinged position, the outer end section extends out of the pulley main body 1, and the inner end section can be horizontally positioned in an inverted U-shaped groove at the lower part of the pulley main body.
The upper part of the connecting rod 3 is a U-shaped head.
The vertical central plane of the slide block 4 is provided with a sliding stroke groove, and the upper end and the lower end of the groove are both arc-shaped.
The two sides of the middle part of the sliding block are symmetrically provided with lug plates.
The slide block 4 is arranged in a slide block mounting groove on the pulley main body 1, the sliding travel groove on the slide block is sleeved on a limiting screw XWLD in the mounting groove, and the two limiting screws are respectively used for upper limiting and lower limiting of the slide block.
The central position of the upper end of the sliding block 4 is provided with a hinged shaft.
The center of the rotating arm 5 is provided with a hinge hole, and two ends of the rotating arm are symmetrically provided with connecting rings.
The upper end of the connecting rod 3 is hinged with an ear plate on the sliding block 4 through a pin shaft, and the lower end is hinged with the outer end section of the baffle arm 2 through a pin shaft.
The rotating arm 5 is sleeved on a hinged shaft at the upper end of the sliding block 4 and then limited through a shaft sleeve, and the shaft sleeve is locked on the hinged shaft through a radial screw.
When the rotating arm 5 rotates, the rotation can be limited by the horizontal U-shaped groove, namely, the two ends of the rotating arm are respectively clamped in the horizontal U-shaped groove to stop rotating.
Unmanned aerial vehicle stores pylon 6 includes and hangs frame 61, suspends frame 62 and lifting hook 63 in midair, hangs frame 61 and includes the I shape support body for the type of falling U frame, suspends 62 in midair and can dismantle the lower extreme of connecting in hanger frame 61, suspends 62 articulated lifting hook 63 of both ends symmetry of pterygoid lamina under the frame.
The steps that this device passes through unmanned aerial vehicle installation are as follows:
mounting angle steel for upward vertical side on iron tower
(1) The anti-falling device is in an initial state that the rotating arm is locked in a horizontal U-shaped groove on the pulley body, the sliding block is positioned at an upper limit position, and the blocking arm is positioned at a horizontal state to block a lower inverted U-shaped groove of the pulley body;
(2) hang the frame with the unmanned aerial vehicle stores pylon and articulate on unmanned aerial vehicle, then with hanging of unmanned aerial vehicle stores pylon the frame and pass through bolt and nut with the frame of hanging in midair and be connected fixedly, make the couple that hangs in midair hook the go-between at rotor arm both ends. The light traction rope passes through the pulley, so that the rotating arm rotates reversely to cancel the limit;
(3) the unmanned aerial vehicle takes off to lift off with the anti-falling device, the sliding block is pulled to the lower limit position in the lifting process, and the baffle arm rotates downwards to be opened under the action of the connecting rod and the self weight of the connecting rod, so that the pulley main body is in an installable state;
(4) the unmanned aerial vehicle descends when flying above the specified installation position of the anti-falling device until the pulley body is located on the installation angle steel through the upper inverted U-shaped groove and the lower inverted U-shaped groove (the upper inverted U-shaped groove clamps the vertical edge of the installation angle steel, and the top of the lower inverted U-shaped groove falls on the upper surface of the horizontal edge of the installation angle steel), at the moment, the sliding block is in an upper limit position, and the retaining arm automatically returns to a horizontal state and is retained on the lower surface of the horizontal edge of the installation angle steel;
(5) the unmanned aerial vehicle flies around, the rotating arm is rotationally clamped into a horizontal U-shaped groove in the pulley body and is in a limiting state, the upper limit of the sliding block is locked, and the horizontal state of the blocking arm is guaranteed;
(6) the descending height of the unmanned aerial vehicle enables the hook of the unmanned aerial vehicle hanger to fly away after being separated from the connecting rings at the two ends of the baffle arm;
(7) the ground operator connects the light hauling rope with the insulating rope and pulls the hauling rope to lead the insulating rope to pass through the pulley;
(8) the aerial working personnel below the anti-falling device can climb the iron tower to work after being connected and fixed with the safety belt conveyed by the body of the aerial working personnel through the insulating rope of the pulley, and the insulating rope is used as the safety guarantee for the aerial working personnel.
When the anti-falling device is arranged on the angle steel with the vertical side of the iron tower facing downwards, the steps are the same except the step (4). And (4) descending the unmanned aerial vehicle when the unmanned aerial vehicle flies above the specified installation position of the anti-falling device until the top of the inverted U-shaped groove at the lower part of the tackle body falls on the top surface of the horizontal edge of the installation angle steel, at the moment, the sliding block is positioned at the upper limit position, the baffle arm automatically returns to the horizontal state and is stopped on the lower surface of the horizontal edge of the installation angle steel, and the horizontal edge of the installation angle steel is clamped by the baffle arm and the top of the inverted U-shaped groove at the lower part.
Claims (6)
1. The utility model provides a transmission line high altitude anti-falling device which characterized in that: the pulley comprises a pulley body, a connecting rod sliding block mechanism, a rotating arm and a pulley assembly; the pulley body is provided with a lower inverted U-shaped groove and an upper inverted U-shaped groove, and one side of the top of the lower inverted U-shaped groove is communicated with the upper inverted U-shaped groove; the connecting rod sliding block mechanism comprises a blocking arm, a connecting rod and a sliding block, the sliding block is arranged in an installation groove in one side of the upper part of the pulley main body, the upper end of the connecting rod is hinged with the sliding block, the blocking arm is a crank arm comprising an inner end section and an outer end section, the corner is rotatably hinged with the pulley main body, and the outer end section extends out of the pulley main body and is hinged with the lower end of the connecting rod; the rotating arm is horizontally connected to the upper end of the sliding block; horizontal U-shaped grooves are formed in the upper end of the pulley main body corresponding to the two sides of the mounting groove, and the opening directions of the two horizontal U-shaped grooves are opposite; when the rotating arm rotates to enable the two end sections of the rotating arm to be respectively positioned in the two horizontal U-shaped grooves, so that the sliding block is limited vertically, the inner end section of the blocking arm is positioned in a horizontal state to block the lower inverted U-shaped groove of the pulley main body; the pulley component comprises pulleys and pulley supports, and the pulley supports are symmetrically arranged on two sides of the inverted U-shaped groove in the lower portion of the pulley main body.
2. The overhead fall protection device for power transmission lines of claim 1, wherein: the vertical center surface of the sliding block is provided with a sliding stroke groove, and the center of the upper end of the sliding block is provided with a hinged shaft.
3. The overhead fall protection device for power transmission lines of claim 2, wherein: and a limiting screw is connected in the slide block mounting groove of the pulley main body, and a sliding stroke groove on the slide block is sleeved on the limiting screw.
4. The overhead fall protection device for power transmission lines of claim 2, wherein: the center position of rotor arm has the hinge hole, the articulated shaft passes and connects spacing axle sleeve behind this hinge hole.
5. The overhead fall protection device for power transmission lines of claim 1, wherein: the upper portion of connecting rod is U type head, the middle part bilateral symmetry of slider is provided with the otic placode, and the top of U type head is through round pin axle and the rotatable articulated of otic placode.
6. The overhead fall protection device for power transmission lines of claim 1, wherein: the bottom of the sliding block mounting side of the pulley body is provided with an extended portion, the corner of the retaining arm is hinged with the extended portion through a pin shaft and a shaft sleeve, and the lower end of the connecting rod is hinged with the end portion of the outer end section of the retaining arm through the pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120667669.1U CN214633454U (en) | 2021-03-31 | 2021-03-31 | High-altitude anti-falling device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120667669.1U CN214633454U (en) | 2021-03-31 | 2021-03-31 | High-altitude anti-falling device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214633454U true CN214633454U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120667669.1U Active CN214633454U (en) | 2021-03-31 | 2021-03-31 | High-altitude anti-falling device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214633454U (en) |
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2021
- 2021-03-31 CN CN202120667669.1U patent/CN214633454U/en active Active
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