CN210505466U - Low-voltage distribution network insulation overhead working truck - Google Patents
Low-voltage distribution network insulation overhead working truck Download PDFInfo
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- CN210505466U CN210505466U CN201921148819.7U CN201921148819U CN210505466U CN 210505466 U CN210505466 U CN 210505466U CN 201921148819 U CN201921148819 U CN 201921148819U CN 210505466 U CN210505466 U CN 210505466U
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Abstract
The utility model discloses a low-voltage distribution network insulation aerial working truck, which comprises a chassis of a pickup truck, a truck body base, a working arm, a platform leveling seat, a swing oil cylinder and an insulation working platform; further comprising: the rotary table, the slewing bearing and the driving slewing mechanism; the lower arm includes: a lower lever arm and a lower lever arm; a lower arm luffing oil cylinder is hinged between the lower pull rod arm and the rotary table; the upper telescopic arm comprises: the device comprises a basic arm, a telescopic oil cylinder and a motion insulating arm; the free end of the motion insulation arm is hinged with the top end of the platform leveling seat through a follow-up leveling cylinder; the free end of the platform leveling seat is hinged with the insulating working platform through a swing oil cylinder. The beneficial effects are that: through various motion structures, the small-sized vehicles such as pick-up trucks and the like also have the capacity of high-altitude operation.
Description
Technical Field
The utility model relates to an aerial working car field, concretely relates to net insulating aerial working car is joined in marriage to low pressure.
Background
The high-altitude operation vehicle is a special vehicle for conveying workers and using equipment to the high altitude, is used for installing and maintaining equipment located in the high altitude, has the advantages of high working efficiency, safe operation and the like, and is widely applied to the infrastructure industries such as electric power, traffic, petrifaction, communication, gardens and the like at present.
At present, insulation high-altitude operation vehicles are divided into insulation grades of 10kv, 35kv, 63kv, 110kv, 220kv and the like according to line rated voltage, are suitable for live-line operation of medium-high voltage lines, have large body structures with live medium-high voltage, and have high center of gravity of the whole vehicle, so that the trafficability of the vehicle is poor, and the required space of an operation area is large. With the continuous improvement of the power supply reliability requirement of the power system and the continuous development of the uninterrupted operation technology, the uninterrupted operation of low-voltage lines of 1 kilovolt and below is gradually carried out. And present low voltage distribution network overhead line often adopts the low pole to erect, receives influence such as medium voltage circuit, communication line, street lamp, sign, trees, road limit height, compares medium and high voltage distribution network live working, and the low voltage distribution network live working space is narrower and smaller.
The medium-high voltage insulation overhead working truck in the prior art cannot meet the live working requirement of a low-voltage distribution network line.
Therefore, how to provide a net insulating high altitude construction car is joined in marriage to low pressure, the cantilever crane device is installed on the pick-up car chassis, when satisfying the net live working safety requirement of net in the low pressure, reduces whole car height, reduces whole car focus, reduces whole car overall dimension, improves transition performance, reduces the net insulating high altitude construction car of net to the demand in working space is joined in marriage to the low pressure to obstacle operation can be strideed across, become the problem that technical staff in the field await the solution urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the high-pressure high altitude construction car in the use and to low pressure live working, can lead to having the inconvenient scheduling problem of operation because the operation space is narrow and small, the utility model provides a net insulating high altitude construction car is joined in marriage to the low pressure.
In order to achieve the above object, the utility model adopts the following technical scheme:
a low-voltage distribution network insulation overhead working truck comprises a truck body base arranged at the rear part of a chassis of a pickup truck, a working arm of a parallelogram mechanism, a platform leveling seat, a swing oil cylinder and an insulation working platform; the vehicle body base includes: the auxiliary frame and a plurality of telescopic supporting legs are respectively arranged on the left side and the right side of the vehicle; the vehicle body base is connected with the rotary table through a slewing bearing; the rotary table, the lower arm and the upper and lower arm connecting devices are sequentially hinged, and a lower arm variable amplitude oil cylinder is hinged between the lower arm and the rotary table; the upper and lower arm connecting device is hinged with the basic arm; a motion insulating arm which is controlled to stretch by stretching of the upper stretching oil cylinder is embedded in the basic arm; the side wall and the bottom of the basic arm are respectively hinged with a main leveling cylinder and an upper telescopic arm amplitude-variable oil cylinder with an upper and a lower arm connecting device; the motion insulation arm is hinged with the platform leveling seat; the free end of the motion insulation arm is hinged with the top end of the platform leveling seat through a follow-up leveling cylinder; and the free end of the platform leveling seat is hinged with the insulating working platform through a swing oil cylinder.
In the utility model, the supporting legs comprise a front supporting leg and a rear supporting leg; the front leg includes: one end of the folding leg is hinged with the bottom of the auxiliary frame; the support leg amplitude variation oil cylinder is hinged with the top of the auxiliary frame at one end and hinged with the folding support leg at the other end; the rear supporting legs comprise a plurality of supporting leg telescopic cylinders vertically fixed with the auxiliary frame.
The folding supporting legs on the two sides of the auxiliary frame are arranged in a regular splayed shape.
The utility model discloses in, upper and lower arm connecting device is the special-shaped structure of "mountain" word.
The utility model provides a when last flexible arm fully contracts the state, the free end of the insulating arm of motion is equipped with the overhanging insulating section that is greater than length L.
The distance of the length L is more than 0.4 m, the included angle A between the front section and the tail section of the basic arm is more than 90 degrees and less than 180 degrees, and the included angle between the motion insulating arm on the basic arm and the horizontal plane is 180- ∠ degrees.
In the utility model, the working arm comprises a lower arm and an upper and lower arm connecting device; the lower arm includes: the lower pressure lever arm and the lower pull lever arm are arranged in parallel, and the lower pressure lever arm is arranged above the lower pull lever arm; the two ends of the lower pressure lever arm and the lower pull lever arm form a parallelogram mechanism together with the rotary table and the upper and lower arm connecting device through hinges; a lower arm luffing oil cylinder is hinged between the lower pull rod arm and the rotary table.
The utility model discloses in, insulating work platform is fought and insulating interior fill including insulating outer, insulating outer fill and platform leveling seat fixed connection, and insulating interior fill nestification is fought 81 in insulating outer.
In an embodiment of the present invention, the outer ring of the slewing bearing is fixed to the auxiliary frame, and the inner ring of the slewing bearing is fixed to the turntable; a driving swing mechanism which is meshed with the driving inner ring to rotate relative to the outer ring is fixed on the turntable; the slewing bearing further comprises a driving slewing mechanism for driving the outer ring of the gear to move.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a multiple motion structure has realized that minicars such as pick-up car also have high altitude construction's ability equally, especially is fit for electrified construction under the circumstances of not having a power failure below the low pressure 1 kilovolt.
Drawings
Fig. 1 is a schematic view of the specific structure of the present invention;
fig. 2 is a schematic structural view of a support leg of the present invention;
FIG. 3 is a partial schematic view of the insulated work platform of the present invention;
fig. 4 is a schematic structural view of the upper and lower arm connecting device of the present invention;
FIG. 5 is a schematic view of the internal structure of the basic arm of the present invention;
FIG. 6 is a schematic structural view of the kinematic insulation arm of the present invention;
fig. 7 is a schematic structural diagram of the middle lower lever arm and the lower lever arm of the present invention.
In the figure, 1 pick-up truck chassis, 11 front support legs, 111 folding support legs, 112 support leg luffing cylinders, 12 rear support legs, 121 support leg telescopic cylinders, 2 vehicle body bases, 21 auxiliary frames, 22 support legs, 31 rotary tables, 32 rotary supports, 33 driving rotary mechanisms, 41 lower arms, 411 lower pressure lever arms, 412 lower pull rod arms, 42 upper and lower arm connecting devices, 43 upper telescopic arms, 431 basic arms, 432 upper telescopic cylinders, 433 motion insulating arms, 51 lower arm luffing cylinders, 52 main leveling cylinders, 53 upper telescopic arm luffing cylinders, 54 follow-up leveling cylinders, 6 platform leveling seats, 7 swing cylinders, 8 insulating working platforms, 81 insulating outer buckets and 82 insulating inner buckets.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 7, the low-voltage distribution network insulation overhead working truck comprises a truck body base 2 arranged at the rear part of a truck chassis 1, a working arm of a parallelogram mechanism, a platform leveling seat 6, a swing oil cylinder 7 and an insulation working platform 8; the vehicle body base 2 includes: an auxiliary frame 21 and a plurality of telescopic supporting legs 22 respectively arranged at the left side and the right side of the vehicle; the vehicle body base 2 is connected with the rotary table 31 through a rotary support 32; the rotary table 31, the lower arm 41 and the upper and lower arm connecting device 42 are sequentially hinged, and a lower arm variable amplitude oil cylinder 51 is hinged between the lower arm 41 and the rotary table 31; the upper and lower arm connecting device 42 is hinged with the basic arm 431; a motion insulating arm 433 which is controlled to stretch and retract through the upper stretching oil cylinder 432 is embedded in the basic arm 431; the side wall and the bottom of the basic boom 431 are respectively hinged with the upper and lower boom connecting device 42 through a main leveling cylinder 52 and an upper telescopic boom luffing cylinder 53; the motion insulation arm 433 is hinged with the platform leveling seat 6; the free end of the motion insulation arm 433 is hinged with the top end of the platform leveling seat 6 through a follow-up leveling cylinder 54; and the free end of the platform leveling seat 6 is hinged with an insulating working platform 8 through a swing oil cylinder 7.
In the utility model, the supporting legs 22 comprise a front supporting leg 11 and a rear supporting leg 12; the front leg 11 includes: a folding leg 111 having one end hinged to the bottom of the sub-frame 21; the device also comprises a landing leg amplitude-variable oil cylinder 112, one end of which is hinged with the top of the auxiliary frame 21, and the other end of which is hinged with the folding landing leg 111; the rear leg 12 includes a plurality of leg extension cylinders 121 vertically fixed to the subframe 21. The folding legs 111 at the two sides of the subframe 21 are arranged in a regular splayed shape. The landing leg telescopic cylinder of back landing leg 12 becomes regular splayed with ground and arranges the landing leg, and for current front and back regular splayed landing leg, the region that the strong point line surrounded is bigger, and the landing leg is more firm to the support of vehicle.
The upper and lower arm connecting device 42 is of a special-shaped structure in a shape of Chinese character shan. The upper telescopic arm 43 is provided with a plurality of fixing holes in which one ends of the lower lever arm 412 and the base arm 431 are inserted through connecting pins, respectively, so that the upper telescopic arm 43 is hinged to the lower lever arm 412 and the base arm 431, respectively.
When the upper telescopic arm 43 is in a fully contracted state, the free end of the motion insulation arm 433 is provided with an outward extending insulation section with a length greater than L; specifically, the distance of the length L is greater than 0.4 m. The length of the motion insulation arm 433 is still kept to be L of an overhanging insulation section, so that the motion insulation arm 433 can meet the requirement of 1 kilovolt or below hot-line work on the minimum overhanging distance of the aerial work insulation arm without stretching out; in particular implementations, the length L may range greater than 0.4 meters; motion insulating arm 433 is as main insulation, and insulating work platform 8 is as supplementary insulator arrangement, and the personal safety of staff when can effectively guarantee insulating properties in order to guarantee live working.
The working arm comprises a lower arm 41 and an upper and lower arm connecting device 42; the lower arm 41 includes: a lower lever arm 411 and a lower lever arm 412 which are arranged in parallel, wherein the lower lever arm 411 is arranged above the lower lever arm 412; the two ends of the lower pressure lever arm 411 and the lower pull lever arm 412 form a parallelogram mechanism together with the turntable 31 and the upper and lower arm connecting device 42 through hinges; and a lower arm luffing cylinder 51 is hinged between the lower tie rod arm 412 and the rotary table 31. When the lower boom luffing cylinder 51 extends and retracts, the lower boom luffing cylinder drives the lower boom arm 412 to move in a luffing manner, so that the lower boom arm 411 is driven to move together in a parallelogram structure.
When the telescopic arm 431 is folded, the upper plane of the lower arm 41, the upper plane of the tail end of the basic arm 431 and the upper top surface of the upper and lower arm connecting device 43 are on the same plane, the included angle A between the front section of the basic arm 431 and the tail section is larger than 90 degrees and smaller than 180 degrees, the included angle between the motion insulating arm 433 on the basic arm 431 and the horizontal plane is 180- ∠ A, the motion insulating arm 433 is sleeved in the front section of the basic arm 431, the reciprocating motion of the upper telescopic oil cylinder drives the motion insulating arm 433 to extend and retract in the front end of the basic arm 431, and a hydraulic pipeline, a cable conveying drag chain structure and a long angle detection sensor are arranged in the tail end of the telescopic arm.
The insulating working platform 8 comprises an insulating outer bucket 81 and an insulating inner bucket 82, the insulating outer bucket 81 is fixedly connected with the platform leveling seat 6, and the insulating inner bucket 82 is nested in the insulating outer bucket 81.
The outer ring of the slewing bearing 32 is fixed with the auxiliary frame 21, and the inner ring of the slewing bearing is fixed with the turntable 31; a driving swing mechanism 33 which meshes to drive the inner ring to rotate relative to the outer ring is fixed on the turntable 31; the slewing bearing 32 also comprises a drive slewing gear 33 which drives the movement of the outer ring of the gear. The specific driving swing mechanism 33 may be a driving motor or the like; the position of the turntable 31 relative to the vehicle body base 2 can be adjusted according to actual conditions, and can be at the rear or the front, or can be parallel to the axis of the vehicle body base in a running state or have a certain included angle.
The motion insulation arm 433 is sleeved in the basic arm and keeps an extended insulation section with the length of L, namely when the motion insulation arm 433 is fully contracted, the distance from the foremost end of the motion insulation arm 433 to the foremost end of the basic arm is L; the amplitude-variable oil cylinder of the basic arm 431 moves back and forth to drive the basic arm 431 to move in an amplitude-variable manner, and the telescopic oil cylinder moves back and forth to drive the movable insulating arm 433 to move in an extending and retracting manner.
The motion insulation arm 433 is hinged with the platform leveling seat 6; the free end of the motion insulation arm 433 is hinged with the top end of the platform leveling seat 6 to form a follow-up leveling cylinder 54; the free end of the platform leveling seat 6 is hinged with an insulating working platform 8 through a swing oil cylinder 7; the insulating working platform 8 comprises an insulating outer bucket 81 and an insulating inner bucket 82, the insulating outer bucket 81 is fixedly connected with the platform leveling seat 6, and the insulating inner bucket 82 is nested in the insulating outer bucket 81. The insulating outer bucket 81 and the insulating inner bucket 82 are both made of insulating materials.
When the boom device is in the folded state, since the pull-down boom arm 412 and the base arm 431 are arranged side by side in the left-right direction, and the top surface on the lower lever arm 412 and the top surface on the base arm 431 and the top surface on the upper and lower arm connecting means 42 are coplanar, and the luffing cylinder of the basic boom 431 is parallel to the drawbar arm of the drawbar arm 412, the lowest point of the luffing cylinder of the basic boom 431 is not lower than the lower plane of the drawbar arm 412, in the case of a substantially identical boom cross-section, the space between the pull-down boom 412 and the base boom 431 and the top of the cab of the pickup truck chassis is obviously smaller than the installation space of the base boom in the straight boom configuration, so that when the boom device is in the folded state, on the premise of the same height of the whole vehicle, the boom turning center can move forwards towards the direction of the vehicle head, the height of the vehicle body is low, the overall dimension of the vehicle is small, the gravity center of the vehicle is low, and the transition performance of the insulated overhead working truck is improved. In a folded state, the luffing cylinder of the basic arm 431 is parallel to the drawbar arm of the lower arm 41, and the lowest point of the luffing cylinder of the basic arm 431 is not lower than the lower plane of the drawbar arm of the lower arm 41.
Because the chassis that current insulating high altitude construction vehicle chassis adopted light-duty and heavy truck usually provides source power to realize the function of shifting, make the whole size of vehicle big on the left, the utility model discloses a net insulating high altitude construction vehicle is joined in marriage to the low pressure adopts the pick-up car chassis as source power, and whole car length is not more than 6 meters, and whole car total mass is not more than 3500 kg. On the other hand, the working arm adopts a left-right folding type mixing arm, and the lower arm and the upper telescopic arm are arranged above the top of the cab of the chassis of the pick-up truck after being folded left and right, so that the structure is compact, and the whole vehicle is small in size and flexible. By adopting the hybrid arm structure formed by combining the working arm with the quadrilateral structure and the basic arm 431, the height requirement of live-wire work can be met, the problem that a pure straight arm is difficult to span an obstacle for work can be solved, and the compactness of the structure is improved. The arrangement of the oil cylinders ensures that the structure of the front section of the arm support device is completely wrapped up and down in the height interval of the cross-over frame, so that the height and the gravity center of the whole vehicle can be reduced.
Claims (10)
1. The utility model provides an insulating high altitude construction car of net is joined in marriage to low pressure which characterized in that: comprises a truck body base (2) arranged at the rear part of a pickup truck chassis (1), a working arm of a parallelogram mechanism, a platform leveling seat (6), a swing oil cylinder (7) and an insulating working platform (8); the vehicle body base (2) includes: an auxiliary frame (21) and a plurality of supporting legs (22) arranged at the left side and the right side of the vehicle; the vehicle body base (2) is connected with the rotary table (31) through a rotary support (32);
the working arm comprises a lower arm (41) and an upper and lower arm connecting device (42); the rotary table (31), the lower arm (41) and the upper and lower arm connecting devices (42) are sequentially hinged, and a lower arm amplitude-variable oil cylinder (51) is hinged between the lower arm (41) and the rotary table (31); the upper and lower arm connecting device (42) is hinged with the basic arm (431); a motion insulation arm (433) which is controlled to stretch and retract through the stretching and retracting of an upper stretching oil cylinder (432) is embedded in the basic arm (431);
the side wall and the bottom of the basic arm (431) are respectively hinged with an upper and lower arm connecting device (42) by a main leveling cylinder (52) and an upper telescopic arm amplitude-variable oil cylinder (53); the motion insulation arm (433) is hinged with the platform leveling seat (6);
the free end of the motion insulation arm (433) is hinged with the top end of the platform leveling seat (6) through a follow-up leveling cylinder (54); and the free end of the platform leveling seat (6) is hinged with the insulating working platform (8) through a swing oil cylinder (7).
2. The low-voltage distribution network insulation overhead working truck as claimed in claim 1, characterized in that: the supporting legs (22) comprise a front supporting leg (11) and a rear supporting leg (12);
the front leg (11) comprises: one end of the folding leg (111) is hinged with the bottom of the auxiliary frame (21); the device also comprises a landing leg amplitude variation oil cylinder (112), one end of the landing leg amplitude variation oil cylinder is hinged with the top of the auxiliary frame (21), and the other end of the landing leg amplitude variation oil cylinder is hinged with the folding landing leg (111);
the rear supporting leg (12) comprises a plurality of supporting leg telescopic cylinders (121) which are vertically fixed with the auxiliary frame (21).
3. The low-voltage distribution network insulation overhead working truck as claimed in claim 2, characterized in that: the folding legs (111) on the two sides of the auxiliary frame (21) are arranged in a regular splayed shape.
4. The low-voltage distribution network insulation overhead working truck as claimed in claim 1, characterized in that: the upper and lower arm connecting devices (42) are of a special-shaped structure in a shape like a Chinese character 'shan'.
5. The low-voltage distribution network insulation overhead working truck as claimed in claim 1, characterized in that: when the upper telescopic arm (43) is in a fully contracted state, the free end of the motion insulating arm (433) is provided with an outward extending insulating section with a length greater than L.
6. The low-voltage distribution network insulation overhead working truck as claimed in claim 5, characterized in that: the distance of the length L is greater than 0.4 meter.
7. The low-voltage distribution network insulation overhead working truck as claimed in claim 1, wherein an included angle A between the front section and the tail section of the basic arm (431) is greater than 90 degrees and less than 180 degrees, and an included angle between a moving insulation arm (433) on the basic arm (431) and a horizontal plane is 180- ∠ degrees.
8. The low-voltage distribution network insulation overhead working truck as claimed in claim 1, characterized in that: the lower arm (41) includes: a lower lever arm (411) and a lower lever arm (412) which are arranged in parallel, wherein the lower lever arm (411) is arranged above the lower lever arm (412); the two ends of the lower pressure lever arm (411) and the lower pull lever arm (412) are hinged with the rotary table (31) and the upper and lower arm connecting device (42) to form a parallelogram mechanism; a lower arm amplitude-variable oil cylinder (51) is hinged between the lower tie rod arm (412) and the rotary table (31).
9. The low-voltage distribution network insulation overhead working truck as claimed in claim 1, characterized in that: the insulating working platform (8) comprises an insulating outer bucket (81) and an insulating inner bucket (82), the insulating outer bucket (81) is fixedly connected with the platform leveling seat (6), and the insulating inner bucket (82) is nested in the insulating outer bucket (81).
10. The low-voltage distribution network insulation overhead working truck as claimed in claim 1, characterized in that: the outer ring of the slewing bearing (32) is fixed with the auxiliary frame (21), and the inner ring of the slewing bearing is fixed with the turntable (31); a driving rotating mechanism (33) which is meshed with and drives the inner ring to rotate relative to the outer ring is fixed on the turntable (31); the slewing bearing (32) further comprises a driving slewing mechanism (33) for driving the outer ring of the gear to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148819.7U CN210505466U (en) | 2019-07-22 | 2019-07-22 | Low-voltage distribution network insulation overhead working truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148819.7U CN210505466U (en) | 2019-07-22 | 2019-07-22 | Low-voltage distribution network insulation overhead working truck |
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| Publication Number | Publication Date |
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| CN210505466U true CN210505466U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921148819.7U Active CN210505466U (en) | 2019-07-22 | 2019-07-22 | Low-voltage distribution network insulation overhead working truck |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329965A (en) * | 2019-07-22 | 2019-10-15 | 徐州海伦哲特种车辆有限公司 | A kind of low-voltage distribution network insulating overhead operating vehicle |
| CN115259034A (en) * | 2022-07-05 | 2022-11-01 | 贵州建工集团第二建筑工程有限责任公司 | Intelligent building fire-fighting system and construction method and use method thereof |
-
2019
- 2019-07-22 CN CN201921148819.7U patent/CN210505466U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329965A (en) * | 2019-07-22 | 2019-10-15 | 徐州海伦哲特种车辆有限公司 | A kind of low-voltage distribution network insulating overhead operating vehicle |
| CN110329965B (en) * | 2019-07-22 | 2024-08-23 | 徐州海伦哲特种车辆有限公司 | Insulating overhead working truck of low pressure distribution network |
| CN115259034A (en) * | 2022-07-05 | 2022-11-01 | 贵州建工集团第二建筑工程有限责任公司 | Intelligent building fire-fighting system and construction method and use method thereof |
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