CN201704039U - Self-propelled overhead working platform - Google Patents
Self-propelled overhead working platform Download PDFInfo
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- CN201704039U CN201704039U CN2010201704358U CN201020170435U CN201704039U CN 201704039 U CN201704039 U CN 201704039U CN 2010201704358 U CN2010201704358 U CN 2010201704358U CN 201020170435 U CN201020170435 U CN 201020170435U CN 201704039 U CN201704039 U CN 201704039U
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- forearm
- oil cylinder
- hinged
- push rod
- arm
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Abstract
The utility model relates to a self-propelled overhead working platform, belonging to the field of engineering machines. The self-propelled overhead working platform is provided with a chassis; the chassis is connected to a rotating table by a swing mechanism; and an extending arm frame comprises a I arm oil cylinder, a I arm lower beam, a I arm upper beam, a main arm support, a main arm oil cylinder, a lower leveling oil cylinder, a main arm, a telescopic arm oil cylinder, a telescopic arm, a forearm lower beam, a forearm oil cylinder and a forearm upper beam. The self-propelled overhead working platform is characterized in that a forearm oil cylinder main push rod and a forearm oil cylinder side push rod are arranged between the forearm upper beam and the forearm oil cylinder; one end of the forearm oil cylinder main push rod, one end of the forearm oil cylinder side push rod and one end of the forearm oil cylinder are hinged together by a forearm oil cylinder shaft; the other end of the forearm oil cylinder main push rod is hinged to the front end of the forearm upper beam by a forearm front shaft; the other end of the forearm oil cylinder side push rod is hinged to the forearm upper beam in the middle by a forearm central shaft; the other end of the forearm oil cylinder is hinged to the telescopic arm; the front ends of the forearm lower beam and the forearm upper beam are hinged to a connecting plate; and the telescopic link of an upper leveling oil cylinder is hinged to an oscillating cylinder seat.
Description
Technical field
The utility model relates to engineering machinery field, says it is a kind of self-propelled aerial working platform in detail.
Background technology
As everyone knows: the self-propelled aerial working platform is widely used in industries such as Ship Building and Repairing, engineering construction, industry installation, overhaul of the equipments, has reduced labour intensity, has improved work efficiency.The self-propelled aerial working platform mainly partly is made up of chassis, swing type mechanism, turntable, stretching, extension jib, workplatform, hydraulic efficiency pressure system and electric system etc., utilizes self power to travel and conveying people, instrument and material carry out operation to assigned address.For the alerting ability and the expansion scope of work that improve operation, the self-propelled aerial working platform is provided with forearm usually between stretching, extension jib and workplatform, and under the effect of forearm oil cylinder, forearm is realized the luffing action.
In order to reduce tilting moment, improve the capacity weight of workplatform, need to reduce as far as possible the deadweight of stretching the jib end item, particularly the deadweight of device such as workplatform and forearm.Simultaneously, the safety of self-propelled aerial working flat-bed also causes people's attention more, and the overload of workplatform is the one of the main reasons that causes safety misadventure, needs the overload detection alarm device of workplatform.People have developed the overload detection or the weighting apparatus of multiple workplatform, realize the overload detection alarm by LOAD CELLS or travel switch etc., but have deficiencies such as the local mechanical of change structure, increase deadweight.
At present; forearm oil cylinder and forearm upper boom mainly contain two kinds of connection modes: a kind of mode is that the forearm oil cylinder is hinged by forearm axis and forearm upper boom; this mode needs the forearm upper boom to adopt the bigger box beam structure of sectional area; guarantee its bulk strength, rigidity and stability, certainly will increase the volume and the weight of forearm upper boom; Another kind of mode is that the forearm oil cylinder is hinged by forearm front axle and forearm upper boom, this mode can reduce the requirement to the forearm upper boom, but the forced stroke of forearm oil cylinder increases greatly, and weight and cost increase more, when particularly pole length was big on the forearm, the deficiency of this respect was more obvious.
Summary of the invention
The purpose of this utility model just is to overcome the deficiencies in the prior art, a kind of self-propelled aerial working platform is provided, and the overload detecting device that this self-propelled aerial working platform is provided with does not need to change physical construction, volume is little, in light weight, and overload economic, that realize workplatform effectively detects.The forearm oil cylinder push rod that this self-propelled aerial working platform is provided with makes forearm and forearm oil cylinder on the basis that guarantees bulk strength, rigidity and stability, reduces weight and cost.
The utility model adopts following technical solution: a kind of self-propelled aerial working platform, be provided with the chassis, the chassis is connected with turntable by swing type mechanism, stretch jib and comprise I arm oil cylinder, I arm lower beam, I arm upper boom, the principal arm bearing, the principal arm oil cylinder, following leveling cyclinder, principal arm, telescopic boom cylinder, telescopic boom; forearm lower beam; forearm oil cylinder; forearm upper boom; it is characterized in that being provided with between forearm upper boom and the forearm oil cylinder forearm oil cylinder master's push rod and forearm oil cylinder side push rod; forearm oil cylinder master push rod one end; an end of forearm oil cylinder side push rod one end and forearm oil cylinder is hinged by forearm oil cylinder axle; the forearm oil cylinder master push rod other end is hinged at front end by forearm front axle and forearm upper boom; the forearm oil cylinder side push rod other end is hinged in the middle part by forearm axis and forearm upper boom; the other end and the telescopic boom of forearm oil cylinder are hinged; the forearm lower beam; forearm upper boom front end and connecting panel are hinged, and the expansion link of last leveling cyclinder and oscillating oil cylinder seat are hinged.
The utility model also can be realized by following measure: go up leveling cyclinder and adopt the middle hinge shaft structure, the cylinder barrel of last leveling cyclinder is hinged by middle hinge shaft and upper junction plate, and the expansion link of last leveling cyclinder and oscillating oil cylinder seat are hinged.Last leveling cyclinder adopts two ends earrings structure, and the cylinder barrel and the upper junction plate of last leveling cyclinder are hinged, and the expansion link of last leveling cyclinder and oscillating oil cylinder seat are hinged.In the last leveling cyclinder pressure sensor is installed, pressure sensor is connected with controller through cable, and controller is installed in the operating control of workplatform, and the operating control panel is provided with acoustic-optic alarm.
The beneficial effects of the utility model are, the overload detecting device that this self-propelled aerial working platform is provided with does not need to change physical construction, volume is little, in light weight, overload economic, that realize workplatform effectively detects, the forearm oil cylinder push rod that this self-propelled aerial working platform is provided with makes forearm and forearm oil cylinder on the basis that guarantees bulk strength, rigidity and stability, reduces weight and cost.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of utility model, also is the scheme drawing of a kind of embodiment.
Fig. 2 is the scheme drawing of another embodiment of utility model.
1. chassis among the figure, 2. swing type mechanism, 3. turntable, 4. I arm oil cylinder, 5. I arm lower beam, 6. I arm upper boom, 7. principal arm bearing, 8. the principal arm oil cylinder 9. descends leveling cyclinder, 10. principal arm, 11. telescopic boom cylinders, 12. telescopic booms, 13. the forearm lower beam, 14. forearm backplates, 15. forearm oil cylinders, 16. the forearm upper boom, 17. forearm oil cylinder side push rods, 18. forearm oil cylinder master push rods, 19. upper junction plate, leveling cyclinder on 20., 21. pressure sensors, 22. the operating control, 23. workplatformes, 24. oscillating oil cylinders, 25. oscillating oil cylinder seat, 26. the forearm front axle, 27. forearm axis, 28. forearm oil cylinder axles.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, to help understanding content of the present utility model.
Embodiment one:
As shown in Figure 1, the utility model is provided with chassis 1, chassis 1 utilizes self power can realize four wheel drive and four-wheel steering, turntable 3 is connected with chassis 1 by swing type mechanism 2, turntable 3 can 360 ° revolution continuously, stretch jib and comprise I arm oil cylinder 4, I arm lower beam 5, I arm upper boom 6, principal arm bearing 7, principal arm oil cylinder 8, principal arm 10, telescopic boom cylinder 11, telescopic boom 12; forearm lower beam 13; forearm oil cylinder 15; forearm upper boom 16; forearm oil cylinder side push rod 17; forearm oil cylinder master push rod 18; upper junction plate 19, the luffing or the expanding-contracting action of jib stretched in realization under the effect of each oil cylinder.
As shown in Figure 1; an end of forearm oil cylinder master push rod 18 1 ends, forearm oil cylinder side push rod 17 1 ends and forearm oil cylinder 15 is hinged by forearm oil cylinder axle 28; forearm oil cylinder master push rod 18 other ends are hinged at front end by forearm front axle 26 and forearm upper boom 16; forearm oil cylinder side push rod 17 other ends are hinged in the middle part by forearm axis 27 and forearm upper boom 16; forearm oil cylinder side push rod 17 is 30 ° with the angle of forearm oil cylinder master push rod 18, and the other end of forearm oil cylinder 15 and telescopic boom 12 are hinged.Described forearm upper boom 16, forearm oil cylinder side push rod 17 and forearm oil cylinder master push rod 18 are two, are arranged in both sides symmetrically, and forearm lower beam 13, forearm upper boom 16 front ends and connecting panel are hinged.
Forearm oil cylinder master push rod 18 is two power bars, its effect is that most of application force progradation with forearm oil cylinder 15 is in forearm front axle 26; forearm oil cylinder side push rod 17 is stressed very little; and then forearm upper boom 16 is stressed also very little; and so; can reduce the volume and weight of forearm upper boom 16 and forearm oil cylinder 15 significantly, the weight that forearm oil cylinder master push rod 18 and forearm oil cylinder side push rod 17 increase has realized reducing the purpose of deadweight far below the weight that reduces.
The utility model is provided with down leveling cyclinder 9, goes up leveling cyclinder 20, realizes the leveling to workplatform 23 when principal arm 10 luffings automatically.Last leveling cyclinder 20 adopts the middle hinge shaft structure, and the cylinder barrel of last leveling cyclinder 20 is hinged by middle hinge shaft and upper junction plate 19, and the expansion link of last leveling cyclinder 20 and oscillating oil cylinder seat 25 are hinged.Workplatform 23 adopts the thin wall alloy steel pipe manufacturing, can further reduce deadweight.
Oscillating oil cylinder 24 is fixed on the oscillating oil cylinder seat 25, and workplatform 23 is done the swing at-90 ° ~+90 ° of angles under the driving of oscillating oil cylinder 24, improves the alerting ability of workplatform operation.
In last leveling cyclinder 20, pressure sensor 21 is installed, pressure sensor 21 is connected with controller through cable, controller is installed in the operating control 22 of workplatform 23, operating control 22 panels are provided with acoustic-optic alarm, the corresponding relation of leveling cyclinder 20 interior hydraulic fluid pressures and workplatform 23 load realizes that by the method that detects hydraulic fluid pressures in the leveling cyclinder 20 overload of workplatform 23 detects in the utilization.
Be fixed with forearm backplate 14 on the forearm upper boom 16, operating control 22 is furnished with rotatable protecting cover, and all electric wirings, hydraulic tubing and flexible drag chain etc. are arranged in and stretch in the jib, can adapt to the abominable working environments such as sandblast operation of shiprepair industry.
Embodiment two:
Embodiment two with the difference of embodiment one is, the version difference of last leveling cyclinder 20, upper junction plate 19 and oscillating oil cylinder seat 25, as shown in Figure 2, last leveling cyclinder 20 adopts two ends earrings structure, the cylinder barrel of last leveling cyclinder 20 and upper junction plate 19 are hinged, and the expansion link of last leveling cyclinder 20 and oscillating oil cylinder seat 25 are hinged.The version of embodiment two is with respect to embodiment one, and the deadweight of last leveling cyclinder 20, upper junction plate 19 and oscillating oil cylinder seat 25 is further reduced.Other structures and embodiment one are identical, repeat no more here.
Claims (4)
1. self-propelled aerial working platform, be provided with the chassis, the chassis is connected with turntable by swing type mechanism, stretch jib and comprise I arm oil cylinder, I arm lower beam, I arm upper boom, the principal arm bearing, the principal arm oil cylinder, following leveling cyclinder, principal arm, telescopic boom cylinder, telescopic boom; forearm lower beam; forearm oil cylinder; forearm upper boom; it is characterized in that: forearm oil cylinder master's push rod and forearm oil cylinder side push rod are set between forearm upper boom and the forearm oil cylinder; forearm oil cylinder master push rod one end; an end of forearm oil cylinder side push rod one end and forearm oil cylinder is hinged by forearm oil cylinder axle; the forearm oil cylinder master push rod other end is hinged at front end by forearm front axle and forearm upper boom; the forearm oil cylinder side push rod other end is hinged in the middle part by forearm axis and forearm upper boom; the other end and the telescopic boom of forearm oil cylinder are hinged; the forearm lower beam; forearm upper boom front end and connecting panel are hinged, and the expansion link of last leveling cyclinder and oscillating oil cylinder seat are hinged.
2. according to the described self-propelled aerial working platform of claim 1, it is characterized in that the said leveling cyclinder of going up adopts the middle hinge shaft structure, the cylinder barrel of last leveling cyclinder is hinged by middle hinge shaft and upper junction plate, and the expansion link of last leveling cyclinder and oscillating oil cylinder seat are hinged.
3. according to the described self-propelled aerial working platform of claim 1, it is characterized in that the said leveling cyclinder of going up adopts two ends earrings structure, the cylinder barrel and the upper junction plate of last leveling cyclinder are hinged, and the expansion link of last leveling cyclinder and oscillating oil cylinder seat are hinged.
4. according to the described self-propelled aerial working platform of claim 1, it is characterized in that said going up in the leveling cyclinder is equipped with pressure sensor, pressure sensor is connected with controller through cable, controller is installed in the operating control of workplatform, and the operating control panel is provided with acoustic-optic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201704358U CN201704039U (en) | 2010-04-27 | 2010-04-27 | Self-propelled overhead working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201704358U CN201704039U (en) | 2010-04-27 | 2010-04-27 | Self-propelled overhead working platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201704039U true CN201704039U (en) | 2011-01-12 |
Family
ID=43441195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201704358U Expired - Fee Related CN201704039U (en) | 2010-04-27 | 2010-04-27 | Self-propelled overhead working platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201704039U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145869A (en) * | 2011-02-15 | 2011-08-10 | 徐州赫思曼电子有限公司 | Safety limit system for amplitude limit and torque limit redundancy |
| CN103072924A (en) * | 2012-12-19 | 2013-05-01 | 江苏安德信超导加速器科技有限公司 | Removing and relieving robot for high-rise building |
| CN104110410A (en) * | 2014-07-07 | 2014-10-22 | 中联重科股份有限公司 | Hydraulic system of vehicle-mounted aerial work platform and vehicle-mounted aerial work platform |
| CN106082047A (en) * | 2016-08-17 | 2016-11-09 | 徐州海伦哲专用车辆股份有限公司 | A kind of high-lift operation car platform leveling device |
| CN109052261A (en) * | 2018-08-27 | 2018-12-21 | 中联重科股份有限公司 | Aerial lift device leveling system, method and its aerial lift device |
| CN109775585A (en) * | 2019-03-19 | 2019-05-21 | 威海怡和专用设备制造有限公司 | Locking device between arm |
| CN110799447A (en) * | 2017-01-25 | 2020-02-14 | Jlg工业公司 | Pressure-based load sensing system |
-
2010
- 2010-04-27 CN CN2010201704358U patent/CN201704039U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145869A (en) * | 2011-02-15 | 2011-08-10 | 徐州赫思曼电子有限公司 | Safety limit system for amplitude limit and torque limit redundancy |
| CN102145869B (en) * | 2011-02-15 | 2013-01-09 | 徐州赫思曼电子有限公司 | Safety limit system for amplitude limit and torque limit redundancy |
| CN103072924A (en) * | 2012-12-19 | 2013-05-01 | 江苏安德信超导加速器科技有限公司 | Removing and relieving robot for high-rise building |
| CN104110410A (en) * | 2014-07-07 | 2014-10-22 | 中联重科股份有限公司 | Hydraulic system of vehicle-mounted aerial work platform and vehicle-mounted aerial work platform |
| CN106082047A (en) * | 2016-08-17 | 2016-11-09 | 徐州海伦哲专用车辆股份有限公司 | A kind of high-lift operation car platform leveling device |
| CN106082047B (en) * | 2016-08-17 | 2018-08-28 | 徐州海伦哲专用车辆股份有限公司 | A kind of high-lift operation car platform leveling device |
| CN110799447A (en) * | 2017-01-25 | 2020-02-14 | Jlg工业公司 | Pressure-based load sensing system |
| US11215495B2 (en) | 2017-01-25 | 2022-01-04 | Jlg Industries, Inc. | Pressure based load sensing system |
| CN109052261A (en) * | 2018-08-27 | 2018-12-21 | 中联重科股份有限公司 | Aerial lift device leveling system, method and its aerial lift device |
| CN109775585A (en) * | 2019-03-19 | 2019-05-21 | 威海怡和专用设备制造有限公司 | Locking device between arm |
| CN109775585B (en) * | 2019-03-19 | 2023-08-22 | 威海怡和专用设备制造有限公司 | Locking device between arms |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20140427 |