CN201301187Y - Fifth supporting leg extending and detecting device of vehicle hoister - Google Patents
Fifth supporting leg extending and detecting device of vehicle hoister Download PDFInfo
- Publication number
- CN201301187Y CN201301187Y CNU200820220905XU CN200820220905U CN201301187Y CN 201301187 Y CN201301187 Y CN 201301187Y CN U200820220905X U CNU200820220905X U CN U200820220905XU CN 200820220905 U CN200820220905 U CN 200820220905U CN 201301187 Y CN201301187 Y CN 201301187Y
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- supporting leg
- detecting device
- limit switch
- system pressure
- warning device
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Abstract
A fifth supporting leg extending and detecting device of vehicle hoister belongs to a supporting leg detecting device of a hoister, which comprises a limit switch (1), an accumulator (3), a power switch (4), an alarming device (8), a fifth supporting leg (6), a relay (5) and a system pressure magnetic valve (7), wherein the limit switch is mounted on the fifth supporting leg, the limit switch and a relay coil are connected to form a first series branch, and a second series branch is formed by a relay contact and the system pressure magnetic valve, an electrical circuit is formed by the first series branch, the second series branch, the accumulators which are connected in series and the power switch, and the alarm device is further connected in the electrical circuit. The fifth supporting leg extending and detecting device of vehicle hoister has the advantages that the detecting device has high automatic degree, which can automatically detect whether the fifth supporting leg extends out or not, does not need a person to judge whether the fifth supporting leg extends out or not, and automatically controls whether to do hoisting work after getting on a vehicle, and totally avoids human factors. The detecting device has simple system, high working efficiency, convenient installation and easy popularization, which can work in a whole day.
Description
Technical field
The utility model relates to a kind of car hosit supporting leg detecting device, and particularly a kind of car hosit the 5th supporting leg stretches out detecting device.
Background technology
As everyone knows, medium and small tonnage car hosit compact conformation is arranged as the master with three bridges or four bridges.On three bridge cars, the center steering body is generally between two bridges, three bridges, near from the rear support leg distance, far away from front leg strut, the hoisting crane lift heavy performance the during operation of operating area forwardly is very low, in order to improve the omnibearing working ability of hoisting crane, is connected with the 5th supporting leg at the front end of car hosit, do not stretch out and system thinks can carry out the front region operation time safety misadventure that as easy as rolling off a log generation hoisting crane is tumbled by mistake at the 5th supporting leg.
Domestic most of hoisting crane all is that one the 5th leg panel switch is installed on the control cabin instrument desk of getting on the bus, and presses this switch, and system thinks that the lifting performance of front region is identical with the rear, can carry out normal lifting operation; Under the situation not according to this switch, system thinks that the front region lifting performance is low, can not carry out lifting operation.Operating personal will obtain information that whether the 5th supporting leg stretch out will be by other people help or observe judgement, Push switch then voluntarily from the control cabin to ground.These modes all depend on artificial judgement and operation, please bothersome, and cause easily in maloperation, operator's professional skill places one's entire reliance upon, artificial factor is very big, disperses operator's attention, can not effectively avoid operator's maloperation to reach faulty operation habitually, cause the hoisting crane overthrow accident, form great potential safety hazard.
The utility model content
The purpose of this utility model is to provide a kind of: not influenced by human element, avoid judging by accident car hosit the 5th supporting leg disconnected, maloperation and stretch out detecting device.
The purpose of this utility model is achieved in that this detecting device includes limit switch (1), storage battery (3), source switch (4), warning device (8), the 5th supporting leg (6), relay (5) and system pressure electromagnetic valve (7), limit switch is installed on the 5th supporting leg, and limit switch and relay coil connect and compose first series arm; Relay contact and system pressure electromagnetic valve constitute second series arm; First series arm and second series arm and series connected storage battery and source switch constitute electric loop; In electric loop, also be connected with warning device.
Described warning device is an indicator lamp; It perhaps is loud speaker; Perhaps be indicator lamp and loud speaker.
Described warning device is in parallel with relay coil; Perhaps warning device is in parallel with the system pressure electromagnetic valve.
Beneficial effect: owing to adopted such scheme, whether this detecting device can detect the 5th supporting leg automatically and stretch out, and this signal is transferred to the crane system pressure solenoid valve, set up lifting system liquid pressure pressure, carry out actions such as crane rotation, luffing, lifting, hoisting crane can carry out hoisting operation; When detecting the 5th supporting leg and not stretching out, hydraulic efficiency pressure system does not have pressure, hoisting crane can't be worked, and with visual signal prompting operation person, stopped the manual operation arbitrariness, can not be binding may, thereby actv. has guaranteed the safe and reliable work of hoisting crane, not influenced by human element, avoid judging disconnected, maloperation by accident, reached the purpose of this utility model.
Advantage: this detecting device degree of automation height, whether can detect the 5th supporting leg automatically stretches out, do not need artificially judging whether the 5th supporting leg stretches out, and automatic guidance gets on the bus whether can carry out hoisting operation, avoids human element fully, and this detecting device system is simple and direct, high efficiency, can all weather operation, be convenient to install, be easy to promote.
Description of drawings
Fig. 1 is the constructional drawing of the utility model first embodiment.
Fig. 2 is the constructional drawing of the utility model second embodiment.
Fig. 3 is the constructional drawing of the utility model the 3rd embodiment.
The specific embodiment
Embodiment 1:1. limit switch, 2. wire fuse, 3. storage battery, 4. source switch, 5. relay, 6. the 5th supporting leg, 7. system pressure electromagnetic valve, 8 warning devices.
In Fig. 1, the 5th supporting leg stretches out detecting device and includes limit switch 1, storage battery 3, source switch 4, warning device 8, the 5th supporting leg 6, relay 5 and system pressure electromagnetic valve 7, limit switch is installed on the 5th supporting leg, and limit switch and relay coil connect and compose first series arm; Relay contact and system pressure electromagnetic valve constitute second series arm; First series arm and second series arm and series connected storage battery and source switch constitute electric loop; In electric loop, also be connected with warning device.
Described warning device 8 is an indicator lamp.Described warning device is in parallel with system pressure electromagnetic valve 7.
In first series arm, when the 5th supporting leg stretches out, the limit switch closure, the relay coil energising, the closing of contact that makes the control of the second series arm repeat circuit coil, the system pressure electromagnetic valve gets, set up hydraulic system pressure, can carry out hoisting operations such as luffing, revolution, warning device is bright simultaneously, reminds the operator can play retry; When the 5th supporting leg did not stretch out, limit switch disconnected, and relay coil must not be electric simultaneously, such second series arm repeat circuit contact open, and the system pressure electromagnetic valve can not get signal, can not carry out any hoisting operation, and warning device is that indicator lamp goes out.
Limit switch is installed on the 5th supporting leg, and storage battery, wire fuse, relay coil, limit switch and source switch are linked in sequence and constitute first loop; Storage battery, wire fuse, relay contact and system pressure electromagnetic valve, warning device and source switch are linked in sequence and constitute second loop, and wherein, system pressure electromagnetic valve, warning device all as the load of relay contact, are connected in parallel.
When the 5th supporting leg stretched out, limit switch was according to setting value, within the specific limits switch closure.At this moment, electric current to battery negative post, forms the loop from B+, wire fuse, relay coil, limit switch and source switch; The closing of contact of relay coil control, electric current from B+, wire fuse, relay contact to system pressure electromagnetic valve and warning device, set up hydraulic system pressure, can carry out hoisting operations such as luffing, revolution, and visually remind the operator with the bright form of the indicator lamp of warning device.
Embodiment 2: in Fig. 2, described warning device is a loud speaker.Described warning device is in parallel with relay coil.
Other and embodiment 1 omit together.
Embodiment 3: in Fig. 3, described warning device is indicator lamp and loud speaker.Described warning device is in parallel with the system pressure electromagnetic valve.
Other and embodiment 1 omit together.
Claims (3)
1, a kind of car hosit the 5th supporting leg stretches out detecting device, it is characterized in that: this detecting device includes limit switch (1), storage battery (3), source switch (4), warning device (8), the 5th supporting leg (6), relay (5) and system pressure electromagnetic valve (7), limit switch is installed on the 5th supporting leg, and limit switch and relay coil connect and compose first series arm; Relay contact and system pressure electromagnetic valve constitute second series arm; First series arm and second series arm and series connected storage battery and source switch constitute electric loop; In electric loop, also be connected with warning device.
2, car hosit the 5th supporting leg according to claim 1 stretches out detecting device, it is characterized in that: described warning device is an indicator lamp; It perhaps is loud speaker; Perhaps be indicator lamp and loud speaker.
3, car hosit the 5th supporting leg according to claim 1 stretches out detecting device, and it is characterized in that: described warning device is in parallel with relay coil; Perhaps warning device is in parallel with the system pressure electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820220905XU CN201301187Y (en) | 2008-11-04 | 2008-11-04 | Fifth supporting leg extending and detecting device of vehicle hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820220905XU CN201301187Y (en) | 2008-11-04 | 2008-11-04 | Fifth supporting leg extending and detecting device of vehicle hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201301187Y true CN201301187Y (en) | 2009-09-02 |
Family
ID=41084806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820220905XU Expired - Fee Related CN201301187Y (en) | 2008-11-04 | 2008-11-04 | Fifth supporting leg extending and detecting device of vehicle hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201301187Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204450A (en) * | 2013-04-12 | 2013-07-17 | 安徽合力股份有限公司宝鸡合力叉车厂 | Side forklift traveling safety guard |
| CN103910293A (en) * | 2013-01-03 | 2014-07-09 | 特雷克斯起重机德国有限公司 | Movable working device, in particular mobile crane |
| CN105246818A (en) * | 2013-05-08 | 2016-01-13 | 德国施维英有限公司 | Device for supporting a mobile device on the ground |
| CN110980564A (en) * | 2019-12-31 | 2020-04-10 | 三一汽车起重机械有限公司 | Cylinder arm pin fault emergency recovery device and hoisting equipment |
-
2008
- 2008-11-04 CN CNU200820220905XU patent/CN201301187Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910293A (en) * | 2013-01-03 | 2014-07-09 | 特雷克斯起重机德国有限公司 | Movable working device, in particular mobile crane |
| CN103204450A (en) * | 2013-04-12 | 2013-07-17 | 安徽合力股份有限公司宝鸡合力叉车厂 | Side forklift traveling safety guard |
| CN103204450B (en) * | 2013-04-12 | 2016-02-03 | 安徽合力股份有限公司宝鸡合力叉车厂 | Side fork lift truck walking safety guard |
| CN105246818A (en) * | 2013-05-08 | 2016-01-13 | 德国施维英有限公司 | Device for supporting a mobile device on the ground |
| CN105246818B (en) * | 2013-05-08 | 2018-09-28 | 德国施维英有限公司 | Device for supporting moving device on the ground |
| CN110980564A (en) * | 2019-12-31 | 2020-04-10 | 三一汽车起重机械有限公司 | Cylinder arm pin fault emergency recovery device and hoisting equipment |
| CN110980564B (en) * | 2019-12-31 | 2022-04-15 | 三一汽车起重机械有限公司 | Cylinder arm pin fault emergency recovery device and hoisting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20171104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |