CN211056658U - High-altitude operation vehicle with telescopic support legs adopting hydraulic motors - Google Patents
High-altitude operation vehicle with telescopic support legs adopting hydraulic motors Download PDFInfo
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- CN211056658U CN211056658U CN201922097874.4U CN201922097874U CN211056658U CN 211056658 U CN211056658 U CN 211056658U CN 201922097874 U CN201922097874 U CN 201922097874U CN 211056658 U CN211056658 U CN 211056658U
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Abstract
The utility model discloses an overhead working truck with telescopic supporting legs adopting hydraulic motors, which comprises a truck head and a truck body, wherein the truck head is matched and connected with the truck body, and the overhead working truck also comprises telescopic supporting legs; the front end and the rear end of the vehicle body are both provided with telescopic supporting legs; the telescopic supporting legs comprise supporting leg outer frames, supporting leg inner frames and hydraulic motors; the outer frame of the supporting leg is of a hollow structure; the left end and the right end of the outer support leg frame are respectively inserted with an inner support leg frame; the left end and the right end of the bottom surface of the outer frame of the supporting leg are respectively provided with a transmission device; the transmission devices comprise gears and hydraulic motors; the hydraulic motors are all perpendicular to the outer frame of the supporting leg; the hydraulic motors are connected with the gears through output shafts; the gears are connected with the inner frame of the supporting leg; racks are horizontally arranged on the bottom surfaces of the inner frames of the support legs; the racks are all meshed with the gears. The utility model discloses not only reduced the dead weight of automobile body, avoided exceeding the restriction of car weight, transmission process is simple moreover, has improved work efficiency, has extensive suitability.
Description
Technical Field
The utility model relates to an aerial working car especially relates to an aerial working car that landing leg adopts hydraulic motor to stretch out and draw back.
Background
The overhead working truck is a special vehicle for transporting workers and equipment to a site and carrying out aerial operation, and is commonly used for overhead road lamp maintenance operation, plant interior decoration operation, municipal street lamp maintenance, garden tree pruning and the like. The high-altitude operation vehicle generally comprises a vehicle body, a cantilever and a workbench, wherein the workbench is conveyed to the high altitude by the cantilever during operation, and workers stand on the workbench to perform various high-altitude operations.
The high-altitude operation vehicle is an advanced high-altitude operation machine, can greatly improve the working efficiency, safety and comfort of air constructors, and reduces the labor intensity, so the high-altitude operation vehicle is more and more widely used. With the economic development of China, the requirements of engineering construction, industrial installation, equipment maintenance, factory maintenance, shipbuilding, electric power, municipal administration, airports, communication, gardens, traffic and the like on high-altitude operation vehicles are continuously increased. But the telescopic work of landing leg is all accomplished through hydraulic cylinder to present high altitude construction car, and 2 hydraulic cylinder of every landing leg installation realize the flexible state of landing leg, and not only weight is heavy, probably surpasss the restriction of car weight, and the transmission course is complicated moreover, overhauls loaded down with trivial details, influences work efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides an aerial working vehicle with telescopic supporting legs adopting hydraulic motors.
In order to solve the technical problem, the utility model discloses a technical scheme is: an overhead working truck with telescopic supporting legs adopting hydraulic motors comprises a truck head and a truck body, wherein the truck head is connected with the truck body in a matching way, and the overhead working truck also comprises telescopic supporting legs; the front end and the rear end of the vehicle body are both provided with telescopic supporting legs;
the telescopic supporting legs comprise supporting leg outer frames, supporting leg inner frames and hydraulic motors; the outer frame of the supporting leg is of a hollow structure; the left end and the right end of the outer support leg frame are respectively inserted with an inner support leg frame; the left end and the right end of the bottom surface of the outer frame of the supporting leg are respectively provided with a transmission device, and the left transmission device and the right transmission device are arranged in a reverse way; the end of the transmission device, which is far away from the outer frame of the supporting leg, is provided with a supporting leg nylon wheel; the support leg nylon wheels are parallel to the support leg outer frame;
the transmission devices comprise gears and hydraulic motors; the hydraulic motors are all perpendicular to the outer frame of the supporting leg; the hydraulic motors are connected with the gears through output shafts; the gears are connected with the inner frame of the supporting leg;
the left end support leg inner frame and the right end support leg inner frame are symmetrical about the support leg outer frame; racks are horizontally arranged on the bottom surfaces of the inner frames of the support legs; the racks are all meshed with the gears; the left end of the inner frame of the landing leg is vertically provided with a hydraulic oil cylinder, and the right end of the inner frame of the landing leg is provided with a limiting block; the bottom surfaces of the outer frames of the supporting legs are correspondingly provided with limiting jackscrews;
the hydraulic motor and the hydraulic oil cylinder are respectively connected with the oil pump through the multi-way valve.
Furthermore, the landing leg nylon wheel all meets with the landing leg frame fastening and passes the outer wall contact of landing leg frame and landing leg inside casing and meet.
Furthermore, one end of the oil pump is connected with the oil tank, and the other end of the oil pump is connected with the multi-way valve; the multi-way valve is respectively connected with the hydraulic motor and the hydraulic oil cylinder through oil delivery pipes.
Furthermore, the length of the inner frame of the support leg is 90-110 cm.
The utility model discloses not only reduced the dead weight of automobile body, avoided exceeding the restriction of car weight, transmission process is simple moreover, and it is more convenient to overhaul, has improved work efficiency, has extensive suitability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the undeployed structure of the telescoping leg.
Fig. 3 is a bottom view of fig. 2.
Fig. 4 is a perspective view of fig. 2.
Fig. 5 is a schematic view of the extendable leg.
Fig. 6 is a top view of fig. 1.
Fig. 7 is an undeployed view of the telescoping leg of fig. 6.
In the figure: 1. a support leg outer frame; 2. an inner frame of the supporting leg; 3. a support leg nylon wheel; 4. a gear; 5. a hydraulic motor; 6. limiting jackscrews; 7. a rack; 8. a hydraulic cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The overhead working truck with the telescopic support legs adopting the hydraulic motors as shown in the figure 1 comprises a head and a body, wherein the head is connected with the body in a matching way, and the overhead working truck also comprises telescopic support legs; as shown in fig. 6 and 7, the front end and the rear end of the vehicle body are both provided with retractable legs; through setting up scalable landing leg, when guaranteeing that the during operation automobile body takes place to incline, prevent that the vehicle from taking place to incline or turn on one's side, strengthened the security.
As shown in fig. 2-4, the telescopic supporting legs each comprise a supporting leg outer frame 1, a supporting leg inner frame 2 and a hydraulic motor 5; the outer frame 1 of the supporting leg is of a hollow structure; the left end and the right end of the outer support leg frame 1 are respectively inserted with an inner support leg frame 2; the landing leg inside casing 2 is inserted respectively and is arranged in the both ends of landing leg frame 1, according to the work demand of reality, can expand the landing leg inside casing 2 of certain one end alone, also can expand the landing leg inside casing 2 at both ends simultaneously. The length of the inner frame 2 of the support leg is 90-110 cm. The expansion length of the inner frame 2 of the supporting leg is also set according to the actual working requirement, is not limited to a certain fixed length, and is flexibly set according to the working site. The length and the required length of the supporting leg inner frame 2 to be unfolded are determined according to different operation sites, operation environments and the like, so that the use is more flexible.
The left end and the right end of the bottom surface of the outer support leg frame 1 are respectively provided with a transmission device, and the left transmission device and the right transmission device are arranged in a reverse way; the supporting leg inner frame 2 is driven to expand or retract through the transmission device, and the supporting leg inner frame 2 is not necessarily expanded at the same time, so that the transmission device is arranged in a non-equidirectional mode, namely in a reverse mode, in order to facilitate oil circuit connection of the transmission device. One end of the transmission device, which is far away from the outer frame 1 of the supporting leg, is provided with a supporting leg nylon wheel 3; the support leg nylon wheels 3 are all parallel to the support leg outer frame 1; the supporting leg nylon wheels 3 are fastened with the supporting leg outer frame 1 and penetrate through the supporting leg outer frame 1 to be in contact connection with the outer wall of the supporting leg inner frame 2.
Landing leg nylon wheel 3 plays the effect of lifting, and the clearance between landing leg inside casing 2 and the landing leg frame 1 is pushed up for landing leg inside casing 2 and landing leg frame 1 contactless prevent that landing leg inside casing 2 from because the dead weight and downward sloping increase frictional resistance, thereby reduced rack 7's sliding resistance, reduced landing leg inside casing 2 gliding frictional resistance on landing leg nylon wheel 3, make landing leg inside casing 2 more smooth and easy when flexible.
The transmission devices comprise gears 4 and hydraulic motors 5; compared with the existing hydraulic oil cylinder, the hydraulic motor 5 is lighter in weight, more convenient to overhaul and higher in working efficiency. The hydraulic motors 5 are all perpendicular to the outer frame 1 of the supporting leg; the gears 4 are all parallel to the outer frame 1 of the supporting leg; one end of the gear 4, which is far away from the outer frame 1 of the supporting leg, is provided with a nylon wheel 3 of the supporting leg; the gears 4 are all arranged adjacent to the support leg nylon wheel 3; the hydraulic motors 5 are connected with the gear 4 through output shafts; the gears 4 are connected with the supporting leg inner frame 2; after the hydraulic motor 5 is started through the multi-way valve, the hydraulic motor 5 drives the gear 4 to rotate through the output shaft, the gear 4 rotates and drives the rack 7 to move outwards, and the rack 7 drives the supporting leg inner frame 2 to expand to the required length.
The left end support leg inner frame and the right end support leg inner frame are symmetrical about the support leg outer frame 1; racks 7 are horizontally arranged on the bottom surfaces of the supporting leg inner frames 2; the racks 7 are all meshed with the gear 4; the left end of the inner frame 2 of the support leg is vertically provided with a hydraulic oil cylinder 8, and the right end of the inner frame of the support leg is provided with a limiting block; the bottom surfaces of the outer frames 1 of the supporting legs are correspondingly provided with limiting jackscrews 6; the limiting jackscrew 6 can block a limiting block on the supporting leg inner frame 2, so that the supporting leg inner frame 2 is prevented from excessively stretching and falling down from the supporting leg outer frame 1, and the supporting leg inner frame 2 stops in a safe use range after being unfolded. According to the actual situation, the inner frame 2 of the supporting leg on one side can be unfolded independently, and the unfolding length is not fixed.
After the supporting leg inner frame 2 is unfolded, the hydraulic oil cylinder 8 is started through the multi-way valve, and the hydraulic oil cylinder 8 extends downwards to be in contact with the ground. As shown in fig. 5, after the hydraulic cylinder 8 is extended, it is perpendicular to the ground, so that the area of the plane supported by the telescopic legs is increased, the stable plane is improved, the stability during operation is better, and the safety is improved.
The hydraulic motor 5 and the hydraulic oil cylinder 8 are respectively connected with an oil pump through a multi-way valve. One end of the oil pump is connected with the oil tank, and the other end of the oil pump is connected with the multi-way valve; the multi-way valve is respectively connected with the hydraulic motor 5 and the hydraulic oil cylinder 8 through oil delivery pipes.
The utility model discloses a theory of operation: when the aerial work vehicle works, because the change of length and angle, the scaling ladder center takes place the skew, can make the automobile body take place the slope, can lead to whole automobile body to turn on one's side when serious, so, landing leg inside casing 2 has been increased respectively at the both ends of landing leg frame 1, because be provided with 5 mm's clearance between landing leg frame 1 and the landing leg inside casing 2, under normal condition, landing leg inside casing 2 inserts in landing leg frame 1, when the automobile body takes place the slope, start hydraulic motor 5 through the multiple unit valve, hydraulic motor 5 drives gear 4 through the output shaft and rotates, gear 4 rotates and drives rack 7 outwards to remove, rack 7 drives landing leg inside casing 2 and expandes to the back of required length, start hydraulic cylinder 8 through the multiple unit valve, hydraulic cylinder 8 extends to ground and contacts with ground, thereby prevent that the vehicle from taking place the slope or turning.
The utility model discloses an use hydraulic motor on scalable landing leg, compare current hydraulic cylinder, not only automobile body weight alleviates greatly, and is lighter, can select the landing leg inside casing that will expand and length according to the user demand moreover, and transmission process is more simple and convenient, and it is more convenient to overhaul, and work efficiency is higher. In addition, the design structure is simple, the operation is convenient, and the device can be widely applied to various high-altitude operation vehicles.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (4)
1. The utility model provides a landing leg adopts flexible high altitude construction car of hydraulic motor, includes locomotive, automobile body, and the locomotive matches with the automobile body and meets its characterized in that: it also includes telescopic legs; the front end and the rear end of the vehicle body are both provided with telescopic supporting legs;
the telescopic supporting legs comprise outer supporting leg frames (1), inner supporting leg frames (2) and hydraulic motors (5); the outer frame (1) of the supporting leg is of a hollow structure; the left end and the right end of the outer support leg frame (1) are respectively inserted with an inner support leg frame (2); the left end and the right end of the bottom surface of the outer support leg frame (1) are respectively provided with a transmission device, and the left transmission device and the right transmission device are arranged in a reverse way; the end of the transmission device, which is far away from the outer frame (1) of the supporting leg, is provided with a supporting leg nylon wheel (3); the supporting leg nylon wheels (3) are parallel to the supporting leg outer frame (1);
the transmission devices comprise gears (4) and hydraulic motors (5); the hydraulic motors (5) are all perpendicular to the outer frame (1) of the supporting leg; the hydraulic motors (5) are connected with the gear (4) through output shafts; the gears (4) are connected with the supporting leg inner frames (2);
the left end inner support leg frame and the right end inner support leg frame are symmetrical about the outer support leg frame (1); racks (7) are horizontally arranged on the bottom surfaces of the inner frames (2) of the supporting legs; the racks (7) are all meshed with the gear (4); the left end of the inner support leg frame (2) is vertically provided with a hydraulic oil cylinder (8), and the right end of the inner support leg frame is provided with a limiting block; the bottom surfaces of the outer frames (1) of the supporting legs are correspondingly provided with limiting jackscrews (6);
the hydraulic motor (5) and the hydraulic oil cylinder (8) are respectively connected with the oil pump through the multi-way valve.
2. The aerial cage with the telescopic support legs adopting the hydraulic motors as claimed in claim 1 is characterized in that: the supporting leg nylon wheels (3) are fastened with the supporting leg outer frame (1) and are contacted with the outer wall of the supporting leg inner frame (2) through the supporting leg outer frame (1).
3. The aerial cage with the telescopic support legs adopting the hydraulic motors as claimed in claim 2 is characterized in that: one end of the oil pump is connected with the oil tank, and the other end of the oil pump is connected with the multi-way valve; the multi-way valve is respectively connected with the hydraulic motor (5) and the hydraulic oil cylinder (8) through oil delivery pipes.
4. The aerial cage with the telescopic support legs adopting the hydraulic motors as claimed in claim 3 is characterized in that: the length of the inner frame (2) of the support leg is 90-110 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922097874.4U CN211056658U (en) | 2019-11-27 | 2019-11-27 | High-altitude operation vehicle with telescopic support legs adopting hydraulic motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922097874.4U CN211056658U (en) | 2019-11-27 | 2019-11-27 | High-altitude operation vehicle with telescopic support legs adopting hydraulic motors |
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| Publication Number | Publication Date |
|---|---|
| CN211056658U true CN211056658U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922097874.4U Active CN211056658U (en) | 2019-11-27 | 2019-11-27 | High-altitude operation vehicle with telescopic support legs adopting hydraulic motors |
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| CN (1) | CN211056658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079298A (en) * | 2020-09-04 | 2020-12-15 | 浙江国芯科技有限公司 | Intelligent control chassis for unmanned forklift |
-
2019
- 2019-11-27 CN CN201922097874.4U patent/CN211056658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079298A (en) * | 2020-09-04 | 2020-12-15 | 浙江国芯科技有限公司 | Intelligent control chassis for unmanned forklift |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to an aerial work vehicle whose outriggers are telescopic by hydraulic motors Effective date of registration: 20210420 Granted publication date: 20200721 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: Weihai Gaolia Special Vehicle Manufacturing Co.,Ltd. Registration number: Y2021990000348 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230308 Granted publication date: 20200721 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: Weihai Gaolia Special Vehicle Manufacturing Co.,Ltd. Registration number: Y2021990000348 |