CN201258239Y - Aerial working platform operation bucket overload protection device capable of implementing alarm and restraint - Google Patents
Aerial working platform operation bucket overload protection device capable of implementing alarm and restraint Download PDFInfo
- Publication number
- CN201258239Y CN201258239Y CNU2008200421674U CN200820042167U CN201258239Y CN 201258239 Y CN201258239 Y CN 201258239Y CN U2008200421674 U CNU2008200421674 U CN U2008200421674U CN 200820042167 U CN200820042167 U CN 200820042167U CN 201258239 Y CN201258239 Y CN 201258239Y
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- China
- Prior art keywords
- seat
- interlock
- shaft hole
- limit switch
- oil cylinder
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- Expired - Fee Related
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Abstract
The utility model relates to an overload protective device for a working bucket of an aerial working platform capable of realizing alarm and restraint. The device comprises a rotary cylinder mounting rack (1), an upper linkage base (2), a lower linkage base (3), a limiting switch (4), a load induction spring (5), a limiting switch mounting rack (6) and a working bucket connecting rack (7); an upper shaft hole and a lower shaft hole are formed at the rear end of the rotary cylinder mounting rack (1); the upper linkage base (2) and the lower linkage base (3) are provided with a front shaft hole and a rear shaft hole; an upper shaft hole and a lower shaft hole are formed at the front end of the working bucket connecting rack (7); and the rotary cylinder mounting rack (1), the upper linkage base (2), the working bucket connecting rack (7) and the lower linkage base (3) together form a parallelogram mechanism. The utility model provides the overload protective device for the working bucket of the aerial working platform.
Description
(1) technical field
The utility model relates to a kind of high-altitude operation platform, especially relates to the overload protection device of high-altitude operation platform work bucket.Belong to technical field of engineering machinery.
(2) background technology
High-altitude operation platform is mainly used in industries such as building ship, harbour machinery manufacturing and building.Mainly by chassis, revolving dial, jib, hang head, working bucket, control cabinet, engine and oil cylinder etc. form up and down.Before the utility model, traditional high-altitude operation platform work bucket does not all have erection work bucket overload protection device.So, if in a single day real load has surpassed the overloading load of setting in the working bucket, car load is easy to occur serious safety problem in operation process, as: car load topples, the working arm unstability.Thereby cause the person and heavy losses economically.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, an overload protection arrangement is provided for the working bucket of aerial work platform.
The purpose of this utility model is achieved in that a kind of aerial working platform operation bucket overload protection device that can realize warning and restraint; comprise rotary oil cylinder installing rack, upper interlock seat, lower interlock seat, limit switch, load sensing spring, limit switch installing rack and working bucket link
Described rotary oil cylinder installing rack rear end is provided with upper and lower two axis holes, and upper interlock seat and lower interlock seat are provided with forward and backward two axis holes, and working bucket link front end is provided with upper and lower two axis holes;
Described rotary oil cylinder installing rack front end is connected with the rotary oil cylinder of working bucket, and the front-axle hole of the upper shaft hole of rear end and upper interlock seat is hinged, and the front-axle hole of the lower shaft hole of rear end and lower interlock seat is hinged; The rear axis hole of described upper interlock seat and the upper shaft hole of working bucket link are hinged, and the lower shaft hole of axis hole and working bucket link is hinged behind the lower interlock seat;
Described rotary oil cylinder installing rack, upper interlock seat, working bucket link and lower interlock seat consist of a parallel-crank mechanism together;
Described upper interlock seat and lower interlock are rotationally connected by bolt, nut and the load sensing spring that is enclosed within on the bolt;
Described limit switch installing rack is installed on the interlock seat, and limit switch is installed on the limit switch installing rack, and places the over top of lower interlock seat.
Principle of work:
When real load in the working bucket was zero, the load sensing spring linked the seat flexible fastenings together by elastic force with upper and lower two, and this timer is in poised state.When the real load in the working bucket progressively increases, because rotary oil cylinder installing rack, upper interlock seat, working bucket link and lower interlock seat consist of a parallel-crank mechanism together.The working bucket link can be because of stressed and parallel moving down, and this moment, the constantly outside opening movement of upper and lower interlock seat meeting and Compress Spring were to reach stress balance.Real load in working bucket is increased to surpass and sets in the overloading load, lower interlock seat top will move to the induction roller that can touch limit switch and make it action, electric control system will receive this signal simultaneously, and the everything that cuts off top control, concurrently speak, the indication of light overload warning.Set load with after interior when the real load in the working bucket reduces to, the restoring force of load sensing spring will make the inwardly motion of upper and lower interlock seat, and limit switch returns to normal condition, and top control recovers all functions, and sound, light overload warning are removed.
Compare with existing high-altitude operation platform work bucket, the utlity model has following characteristics:
1, owing to increased the overload restraint device, the real load in the working bucket is remained within the prescribed limit.Stability when having guaranteed aerial working platform operation has improved its security performance greatly.
2, because the mechanical mechanism of this device has adopted the parallelogram sturcutre principle, therefore, working bucket under any circumstance can both with the platform keeping parallelism.
(4) description of drawings
Fig. 1 can realize total three-dimensional structure diagram of the high-altitude operation platform work bucket overload protection device of warning and restraint for the utility model.
Fig. 2 is for removing the total three-dimensional structure diagram behind the bucket link span of working among Fig. 1.
Among the figure: rotary oil cylinder erecting frame 1, go up interlock seat 2, interlock seat 3, limit switch 4, load sensing spring 5, limit switch erecting frame 6, work bucket link span 7, bolt 8 down.
(5) specific embodiment
Referring to Fig. 1～2; the utility model relates to can realize reporting to the police and the high-altitude operation platform work bucket overload protection device of restraint, mainly by rotary oil cylinder erecting frame 1, go up interlock seat 2, interlock seat 3, limit switch 4, load sensing spring 5, limit switch erecting frame 6 and work bucket link span 7 are formed down.
Described rotary oil cylinder installing rack 1 rear end is provided with upper and lower two axis holes, and upper interlock seat 2 and lower interlock seat 3 are provided with forward and backward two axis holes, and working bucket link 7 front ends are provided with upper and lower two axis holes;
Described rotary oil cylinder installing rack 1 front end is connected with the rotary oil cylinder of working bucket, and the front-axle hole of the upper shaft hole of rear end and upper interlock seat 2 is hinged, and the front-axle hole of the lower shaft hole of rear end and lower interlock seat 3 is hinged; The rear axis hole of described upper interlock seat 2 and the upper shaft hole of working bucket link 7 are hinged, and the rear axis hole of lower interlock seat 3 and the lower shaft hole of working bucket link 7 are hinged;
Described rotary oil cylinder installing rack 1, upper interlock seat 2, working bucket link 7 and lower interlock seat 3 consist of a parallel-crank mechanism together.
Described limit switch installing rack 6 is installed on the interlock seat 2, and limit switch 4 is installed on the limit switch installing rack 6, and places the over top of lower interlock seat 3.
Claims (1)
1, a kind of aerial working platform operation bucket overload protection device that can realize warning and restraint; it is characterized in that described protective device comprises rotary oil cylinder installing rack (1), upper interlock seat (2), lower interlock seat (3), limit switch (4), load sensing spring (5), limit switch installing rack (6) and working bucket link (7)
Described rotary oil cylinder erecting frame (1) rear end is provided with upper and lower two axis holes, and the last interlock seat (2) and the seat (3) that links down are provided with forward and backward two axis holes, and work bucket link span (7) front end is provided with upper and lower two axis holes,
Described rotary oil cylinder erecting frame (1) front end is connected with the rotary oil cylinder of work bucket, and the front-axle hole of the upper shaft hole of rear end and the last seat (2) that links is hinged, and the lower shaft hole of rear end is hinged with the front-axle hole of interlock (3) down; The described back axis hole of going up interlock seat (2) is hinged with the upper shaft hole of work bucket link span (7), and the struggle against lower shaft hole of link span (7) of following interlock seat (3) back axis hole and work is hinged,
Described rotary oil cylinder erecting frame (1), upward interlock (2), work bucket link span (7) and following interlock (3) constitute a parallel-crank mechanism together,
The described seat (3) that links (2) and link down of going up is rotationally connected by bolt (8) nut and load sensing spring (5) elasticity that is enclosed within on the bolt (8),
Described limit switch erecting frame (6) is installed on the interlock seat (2), and limit switch (4) is installed on the limit switch erecting frame (6), and places down the over top of interlock seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200421674U CN201258239Y (en) | 2008-08-11 | 2008-08-11 | Aerial working platform operation bucket overload protection device capable of implementing alarm and restraint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200421674U CN201258239Y (en) | 2008-08-11 | 2008-08-11 | Aerial working platform operation bucket overload protection device capable of implementing alarm and restraint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201258239Y true CN201258239Y (en) | 2009-06-17 |
Family
ID=40772474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200421674U Expired - Fee Related CN201258239Y (en) | 2008-08-11 | 2008-08-11 | Aerial working platform operation bucket overload protection device capable of implementing alarm and restraint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201258239Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530788A (en) * | 2011-12-16 | 2012-07-04 | 长沙中联消防机械有限公司 | High altitude work vehicle and working hopper protection device thereof |
| CN104016277A (en) * | 2013-03-01 | 2014-09-03 | 哈罗特集团 | Aerial lift including weighing cell |
| CN106430020A (en) * | 2016-09-14 | 2017-02-22 | 浙江鼎力机械股份有限公司 | Overload protection device and system and aerial work platform |
-
2008
- 2008-08-11 CN CNU2008200421674U patent/CN201258239Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530788A (en) * | 2011-12-16 | 2012-07-04 | 长沙中联消防机械有限公司 | High altitude work vehicle and working hopper protection device thereof |
| WO2013086877A1 (en) * | 2011-12-16 | 2013-06-20 | 中联重科股份有限公司 | Overhead working lorry and working hopper protection device thereof |
| CN104016277A (en) * | 2013-03-01 | 2014-09-03 | 哈罗特集团 | Aerial lift including weighing cell |
| CN106430020A (en) * | 2016-09-14 | 2017-02-22 | 浙江鼎力机械股份有限公司 | Overload protection device and system and aerial work platform |
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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: 20090617 Termination date: 20120811 |