CN211874367U - A extension ladder for large-scale unmanned aerial vehicle assembly operation - Google Patents
A extension ladder for large-scale unmanned aerial vehicle assembly operation Download PDFInfo
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- CN211874367U CN211874367U CN201921647838.4U CN201921647838U CN211874367U CN 211874367 U CN211874367 U CN 211874367U CN 201921647838 U CN201921647838 U CN 201921647838U CN 211874367 U CN211874367 U CN 211874367U
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Abstract
The utility model provides a extension ladder for large-scale unmanned aerial vehicle assembly operation, including frame one (1), frame two (2), frame three (3), short quick-release pin, long quick-release pin, through short quick-release pin to frame one (1), frame two (2), the relative position relation of frame three (3) is fixed, and fix frame one (1) under the shrink state through long quick-release pin, frame two (2), frame three (3), solved among the current extension ladder, the area that generally has is little, mobilizable problem, can satisfy the demand of climbing the number simultaneously, stable in structure, the bearing capacity is big.
Description
Technical Field
The utility model relates to a telescopic ladder for large-scale unmanned aerial vehicle assembly operation belongs to the aeronautical technical field.
Background
For solving the problems that the staff needs to ascend a height for operation, install large equipment, frequently change the working position, conveniently and quickly transfer to a place for shipment and the like in the general assembly process of the large unmanned aerial vehicle, a ladder platform which is stable, large in table top, movable and foldable is needed. The current collapsible halfpace generally has the problem that the area is little, unmovable, can not satisfy large-scale unmanned aerial vehicle assembly needs, and the utility model that bulletins the number for CN203213944U for example just discloses such folding ladder, and this kind of folding ladder includes ladder frame, halfpace, foot bar, storage device. To large-scale unmanned aerial vehicle final assembly work, the inconvenient removal of this kind of halfpace to can not satisfy 2 people and ascend a height simultaneously and install the main equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: to among the prior art at present, when ascending a height and installing main equipment, the folding ladder removes the problem inconvenient, can't satisfy the number demand of climbing, has provided a extension ladder that is used for large-scale unmanned aerial vehicle assembly operation.
The utility model provides an above-mentioned technical problem realize through following technical scheme:
a telescopic ladder for large-scale unmanned aerial vehicle final assembly operation comprises a first frame, a second frame, a third frame, a first short quick-release pin, a second short quick-release pin, a third short quick-release pin, a fourth short quick-release pin, a first leveling foot cup, a first long quick-release pin, a second leveling foot cup, a third long quick-release pin, a first supporting type caster wheel, a fourth long quick-release pin, a fifth short quick-release pin, a sixth short quick-release pin, a second supporting type caster wheel, a seventh short quick-release pin and an eighth short quick-release pin, wherein the second frame is arranged in the first frame and is fixedly connected with the first frame through the first short quick-release pin, the second short quick-release pin, the seventh short quick-release pin and the eighth short quick-release pin, the fifth short quick-release pin and the eighth short quick-release pin, the third frame is arranged in the second frame and is connected with the second frame through the third short quick-release pin, the fourth short quick-release pin, the fifth short quick-release pin and the sixth short quick-release pin, the, The support type caster wheels II are respectively arranged at the bottom of the frame I, the long quick-release pin II, the long quick-release pin III and the long quick-release pin IV are used when the extension ladder is in a contraction state, and the frame II and the frame III are further fixed.
And the short quick-release pins for connecting the first frame and the second frame and the short quick-release pins for connecting the second frame and the third frame are used for fixing the first frame and the second frame and the third frame through common mounting holes arranged on the adjacent frame sides of the first frame and the second frame and the third frame.
The short quick-release pins are uniformly distributed on the side edges of the two sides of the first frame and the second frame, and the side edges of the two sides of the second frame and the third frame.
The long quick-release pins are all inserted on the frame edges of the first bottom surface of the frame, the second bottom surface of the frame and the third bottom surface of the frame.
The first frame, the second frame and the third frame are made of square steel, and the square steel among the frames can be replaced at will.
The frame has a height greater than 800 mm.
And anti-skidding panels are paved on the tops of the first frame, the second frame and the third frame.
Support type truckle one, support type truckle two and all contain lower margin, truckle, and lower margin, truckle are installed respectively in the both ends of same mounting panel, support type truckle one, support type truckle two all support through the lower margin, remove through the truckle.
The truckle mounted position is higher than the lower margin, need make the extension ladder slope slide through the truckle during removal.
The height of the installation position of the caster is 3-6mm higher than that of the ground feet.
Compared with the prior art, the utility model the advantage lie in:
the utility model provides a pair of a telescopic ladder for large-scale unmanned aerial vehicle assembly operation, the existence contracts in extending two kinds of states, can contract into regular cuboid, can pile up and pile up in the course of the shipment of transition, can save very big space, practice thrift the shipment cost, adopt leveling foot cup simultaneously, support type truckle as the strong point, it is big with ground area of contact, it is firm, the ladder platform slope can be pushed away, remove convenient and fast, adopt quick-release pin joint simultaneously, the operation process is simple, the complexity of the shipment work of transition has been reduced.
Drawings
Fig. 1 is an expansion view of a telescopic ladder special for the assembly of an unmanned aerial vehicle provided by the utility model;
fig. 2 is a contraction diagram of the extension ladder special for the assembly of the unmanned aerial vehicle provided by the utility model;
Detailed Description
A telescopic ladder for large unmanned aerial vehicle general assembly operation mainly comprises a first frame 1, a second frame 2 and a third frame 3, wherein the first frame 1, the second frame 2 and the third frame 3 are in a sleeved installation form, the third frame 3 is installed in the second frame 2, and the second frame 2 is installed in the first frame 1, wherein the third frame 3 is connected with the second frame 2 through short quick-release pins, the second frame 2 is also connected with the first frame 1 through short quick-release pins, the telescopic ladder comprises a contraction state and an extension state, as shown in figure 2, in the contraction state, the second frame 2 and the third frame 3 are both contracted in the first frame 1, each short quick-release pin is fixedly inserted, and the first frame 1, the second frame 2 and the third frame 3 are fixed through long quick-release pins at one time; as shown in fig. 1, in the extended state, all the short quick release pins and the long quick release pins are pulled out, the second frame 2 and the third frame 3 are pulled out to the maximum positions respectively, and the first frame 1, the second frame 2 and the third frame 3 are fixed by the short quick release pins under the position condition, so that the extension of the extension ladder is completed.
The top end of the first frame 1 is used as a treading position during operation, the height is larger than 800mm, and meanwhile, anti-skidding panels are laid on the tops of the first frame 1, the second frame 2 and the third frame 3, and materials are not limited;
The following is further illustrated with reference to specific examples:
a telescopic ladder for large unmanned aerial vehicle final assembly operation comprises a first frame 1, a second frame 2, a third frame 3, a first short quick-release pin 4, a second short quick-release pin 5, a third short quick-release pin 6, a fourth short quick-release pin 7, a first leveling foot cup 8, a first long quick-release pin 9, a second long quick-release pin 10, a second leveling foot cup 11, a third long quick-release pin 12, a first support type caster 13, a fourth long quick-release pin 14, a fifth short quick-release pin 15, a sixth short quick-release pin 16, a second support type caster 17, a seventh short quick-release pin 18 and an eighth short quick-release pin 19, wherein the second frame 2 is arranged in the first frame 1 and is fixedly connected with the first frame 1 through the first short quick-release pin 4, the second short quick-release pin 5, the seventh short quick-release pin 18 and the eighth short quick-release pin 19, the third frame 3 is arranged in the second frame 2 and is connected with the second frame 2 through the third quick-release pin 6, the fourth short quick-release pin 7, the fifth short quick-release pin 15 and the sixth quick-release pin 16, the first leveling foot cup 8 and the second leveling foot cup 11 are respectively installed at the bottom of the frame III 3, the first supporting type caster wheel 13 and the second supporting type caster wheel 17 are respectively installed at the bottom of the frame I1, and the first long quick release pin 9, the second long quick release pin 10, the third long quick release pin 12 and the fourth long quick release pin 14 are used when the telescopic ladder is in a contraction state, so that the frame II 2 and the frame III 3 are further fixed.
At this moment, the frame I1, the frame II 2 and the frame III 3 are all made of square steel with the size of 20mm x 20mm and the thickness of 2mm, the square steel between the frames can be exchanged at will, meanwhile, the highest height of the frame I1 is 900mm, and the mounting position of the selected caster is higher than the feet 5 mm.
The technique not disclosed in the present invention belongs to the known technique in the field.
Claims (10)
1. The utility model provides a telescopic ladder for large-scale unmanned aerial vehicle assembly operation which characterized in that: comprises a frame I (1), a frame II (2), a frame III (3), a short quick-release pin I (4), a short quick-release pin II (5), a short quick-release pin III (6), a short quick-release pin IV (7), a leveling foot cup I (8), a long quick-release pin I (9), a long quick-release pin II (10), a leveling foot cup II (11), a long quick-release pin III (12), a supporting foot wheel I (13), a long quick-release pin IV (14), a short quick-release pin V (15), a short quick-release pin VI (16), a supporting foot wheel II (17), a short quick-release pin VII (18) and a short quick-release pin VIII (19), wherein the frame II (2) is arranged in the frame I (1) and is fixedly connected with the frame I (1) through the short quick-release pin I (4), the short quick-release pin II (5), the short quick-release pin VII (18) and the short quick-release pin VIII (19), and the frame III (3) is arranged in the frame II (2), the telescopic ladder is connected with a second frame (2) through a third short quick-release pin (6), a fourth short quick-release pin (7), a fifth short quick-release pin (15) and a sixth short quick-release pin (16), a first leveling foot cup (8) and a second leveling foot cup (11) are respectively installed at the bottom of the third frame (3), a first supporting type caster (13) and a second supporting type caster (17) are respectively installed at the bottom of the first frame (1), and a first long quick-release pin (9), a second long quick-release pin (10), a third long quick-release pin (12) and a fourth long quick-release pin (14) are used when the telescopic ladder is in a contraction state, so that the second frame (2) and the third frame (3) are further fixed.
2. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 1, wherein: the short quick-release pins used for connecting the first frame (1) and the second frame (2) and the short quick-release pins used for connecting the second frame (2) and the third frame (3) are used for fixing the first frame (1) and the second frame (2) and the third frame (3) through common mounting holes arranged on adjacent frame edges of the first frame (1) and the second frame (2) and the third frame (3).
3. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 2, characterized in that: the short quick-release pins are uniformly distributed on the side edges of the two sides of the first frame (1), the second frame (2) and the third frame (3).
4. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 2, characterized in that: the long quick-release pins are all inserted on the edges of the bottom surface frames of the first frame (1), the second frame (2) and the third frame (3).
5. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 1, wherein: the frame I (1), the frame II (2) and the frame III (3) are all made of square steel, and the square steel among the frames can be replaced at will.
6. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 1, wherein: the height of the first frame (1) is more than 800 mm.
7. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 1, wherein: and the top parts of the first frame (1), the second frame (2) and the third frame (3) are all paved with anti-skidding panels.
8. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 1, wherein: support type truckle one (13), support type truckle two (17) and all contain lower margin, truckle, lower margin, truckle are installed respectively in the both ends of same mounting panel, support type truckle one (13), support type truckle two (17) all support through the lower margin, remove through the truckle.
9. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 8, wherein: the truckle mounted position is higher than the lower margin, need make the extension ladder slope slide through the truckle during removal.
10. The telescopic ladder for large unmanned aerial vehicle final assembly operation of claim 8, wherein: the height of the installation position of the caster is 3-6mm higher than that of the ground feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647838.4U CN211874367U (en) | 2019-09-29 | 2019-09-29 | A extension ladder for large-scale unmanned aerial vehicle assembly operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647838.4U CN211874367U (en) | 2019-09-29 | 2019-09-29 | A extension ladder for large-scale unmanned aerial vehicle assembly operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874367U true CN211874367U (en) | 2020-11-06 |
Family
ID=73240557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921647838.4U Active CN211874367U (en) | 2019-09-29 | 2019-09-29 | A extension ladder for large-scale unmanned aerial vehicle assembly operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211874367U (en) |
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2019
- 2019-09-29 CN CN201921647838.4U patent/CN211874367U/en active Active
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