CN201071274Y - Automatic turning lock device of crane turning table - Google Patents
Automatic turning lock device of crane turning table Download PDFInfo
- Publication number
- CN201071274Y CN201071274Y CNU2007200396714U CN200720039671U CN201071274Y CN 201071274 Y CN201071274 Y CN 201071274Y CN U2007200396714 U CNU2007200396714 U CN U2007200396714U CN 200720039671 U CN200720039671 U CN 200720039671U CN 201071274 Y CN201071274 Y CN 201071274Y
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- CN
- China
- Prior art keywords
- pin
- crane
- automatic
- lock device
- rotating platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
An automatic rotation lock device of rotating platform of crane belongs to rotating platform lock device of engineering vehicles. A pin hole is arranged on a frame, a pin guide sleeve is connected with a rotating platform, a pin is sheathed in the pin guide sleeve and is connected with a lock cylinder, and the lock cylinder is connected with the upper end of the pin guide sleeve and is provided with a hydraulic oil interface and a proximity switch. The automatic lock device can insert the pin into the pin hole on the frame by using the lock cylinder, thus improving the operation efficiency, saving man power, reducing labor intensity, and improving the operation convenience, safety and reliability. The automatic lock device can construct a mechanism visual system for the operator in combination with a PLC control system through a detection switch and large-screen display so as to acquire the lock state of the rotating platform. The utility model can improve the automation degree of large crane and construct an automatic control and rotation lock mechanism for crane series.
Description
Technical field
The utility model relates to a kind of engineering truck turntable Locking Device, particularly a kind of rotating platform of crane revolution automatic lock locking apparatus.
Background technology
The turntable revolution of wheel crane and the vehicle frame locking of hoisting crane, in the turntable revolution, latch is arranged, pin hole is arranged on vehicle frame, relative when static in order to guarantee that turntable revolution and vehicle frame are in, all be that workman's manual operations is finished for a long time, latch and release are required great effort, be difficult to operation, and when combined counterweight is installed, be difficult for observing the state of latch, judge whether turntable is in lockup state.
Summary of the invention
The purpose of this utility model is to provide a kind of: without workman's manual operations, and can observe the rotating platform of crane revolution automatic lock locking apparatus of latch state.
The purpose of this utility model is achieved in that pin hole on vehicle frame, be connected with the bearing pin orienting sleeve in the turntable revolution, in the bearing pin orienting sleeve bearing pin arranged, bearing pin is connected with the locking cylinder, the locking cylinder is connected the upper end of bearing pin orienting sleeve, the hydraulic oil interface is arranged and near switch on the locking cylinder.
Beneficial effect: owing to adopted such scheme, the middle bit detector of turntable to detect turntable revolution in the dead ahead or during the dead aft, represent that the piston rod of this oil cylinder and the hole on the vehicle frame align, press locking switch lower end, piston rod is overhanging, and turntable turns round locking; Press locking switch upper end, piston rod withdrawal, turntable revolution release; Piston rod is withdrawn fully or is stretched out fully by being contained in detecting and show its mode of operation by display screen near switch on the cylinder barrel; when the piston rod of locking cylinder and the hole on the vehicle frame not to timing; the piston rod of locking cylinder can not done any action; with protection locking cylinder; without workman's manual operations; and can observe the latch state, reached the purpose of this utility model.This automatic lock locking apparatus uses the locking cylinder bearing pin to be inserted in the pin hole of vehicle frame automatically, has improved operating efficiency, has saved manpower, has reduced labour intensity, has improved comfort feature, safety and the reliability of operation.The automatic lock locking apparatus cooperates the PLC control system to set up the visual system of operator to mechanism by detector switch and large screen display, in time grasps the lockup state of turntable.Improve the goliath degree of automation, set up heavy-duty machine series automatic guidance revolution lockable mechanism.
Description of drawings
Fig. 1 is a constructional drawing of the present utility model.
Fig. 2 is the connect to ground constructional drawing of state of the utility model bearing pin.
The specific embodiment
Embodiment 1: pin hole 9 is arranged on vehicle frame 5, in the turntable revolution, be connected with bearing pin orienting sleeve 3, bearing pin 4 is arranged in bearing pin orienting sleeve 3, bearing pin 4 is connected with locking cylinder 2, locking cylinder 2 is connected the upper end of bearing pin orienting sleeve 3, hydraulic oil interface 1 being arranged and near switch on locking cylinder 2, is last near switch 6 with down near switch 7 near switch.
The oil cylinder piston bar of this device connects by rotating bearing pin with the bearing pin that inserts the vehicle frame hole, has solved the oil cylinder piston bar and has been subjected to side force to cross the technical barrier that ambassador's oil cylinder reveals oil.On turntable, be welded with orienting sleeve, reduced the arm of force of the external part of oil cylinder piston bar, can effectively avoid the bending of oil cylinder piston bar, simultaneously to actuating unit secondary by pass valve, two-way interlock valve are set, near switch, solved cylinder and stretched full reduced entirely and action failure without reason.
Claims (1)
1. a rotating platform of crane turns round the automatic lock locking apparatus, it is characterized in that: pin hole is arranged on vehicle frame, in the turntable revolution, be connected with the bearing pin orienting sleeve, in the bearing pin orienting sleeve, bearing pin is arranged, bearing pin is connected with the locking cylinder, the locking cylinder is connected the upper end of bearing pin orienting sleeve, the hydraulic oil interface is arranged and near switch on the locking cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200396714U CN201071274Y (en) | 2007-06-20 | 2007-06-20 | Automatic turning lock device of crane turning table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200396714U CN201071274Y (en) | 2007-06-20 | 2007-06-20 | Automatic turning lock device of crane turning table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071274Y true CN201071274Y (en) | 2008-06-11 |
Family
ID=39549835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200396714U Expired - Lifetime CN201071274Y (en) | 2007-06-20 | 2007-06-20 | Automatic turning lock device of crane turning table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071274Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010985A (en) * | 2012-12-07 | 2013-04-03 | 中联重科股份有限公司 | Rotary table rotation locking device and engineering machinery with same |
| CN103043581A (en) * | 2012-12-21 | 2013-04-17 | 三一重工股份有限公司 | Turntable limiting device, turntable limiting device and engineering machinery |
| CN103274317A (en) * | 2013-05-30 | 2013-09-04 | 江苏华澄重工有限公司 | Rotation anchoring device of slewing pillar type gantry crane |
| CN106081959A (en) * | 2016-08-18 | 2016-11-09 | 无锡石油化工起重机有限公司 | Possesses the derrick crane of lock function |
| CN117023477A (en) * | 2023-10-10 | 2023-11-10 | 临工重机股份有限公司 | Rotary table rotation centering limiting system and control method thereof |
-
2007
- 2007-06-20 CN CNU2007200396714U patent/CN201071274Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010985A (en) * | 2012-12-07 | 2013-04-03 | 中联重科股份有限公司 | Rotary table rotation locking device and engineering machinery with same |
| CN103043581A (en) * | 2012-12-21 | 2013-04-17 | 三一重工股份有限公司 | Turntable limiting device, turntable limiting device and engineering machinery |
| CN103043581B (en) * | 2012-12-21 | 2016-04-06 | 三一重工股份有限公司 | A kind of turntable inhibiting device, method and construction machinery and equipment |
| CN103274317A (en) * | 2013-05-30 | 2013-09-04 | 江苏华澄重工有限公司 | Rotation anchoring device of slewing pillar type gantry crane |
| CN103274317B (en) * | 2013-05-30 | 2016-05-04 | 江苏华澄重工有限公司 | Rotary-column type gantry crane revolution anchoring device |
| CN106081959A (en) * | 2016-08-18 | 2016-11-09 | 无锡石油化工起重机有限公司 | Possesses the derrick crane of lock function |
| CN117023477A (en) * | 2023-10-10 | 2023-11-10 | 临工重机股份有限公司 | Rotary table rotation centering limiting system and control method thereof |
| CN117023477B (en) * | 2023-10-10 | 2024-03-01 | 临工重机股份有限公司 | Rotary table rotation centering limiting system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080611 |