CN2693547Y - Hand operated emergency turning gear - Google Patents
Hand operated emergency turning gear Download PDFInfo
- Publication number
- CN2693547Y CN2693547Y CN 200420025795 CN200420025795U CN2693547Y CN 2693547 Y CN2693547 Y CN 2693547Y CN 200420025795 CN200420025795 CN 200420025795 CN 200420025795 U CN200420025795 U CN 200420025795U CN 2693547 Y CN2693547 Y CN 2693547Y
- Authority
- CN
- China
- Prior art keywords
- turning
- trainstop
- hand operated
- vehicle
- vehicles
- 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
Links
Abstract
Disclosed is a hand operated emergency turning gear. A turning motor is connected to a turning brake which is connected to a turning speed reducer, and the hydraulic oil pipe of the lower end of the hand operated pump fixed on the outer side of the turning motor is respectively connected with a shuttle valve and the turning brake pressure oil port of the turning brake through a three-way ball valve. Due to adopting the project, the device ensures that when a vehicle is operated, if either an engine, a power taking device or an oil pump has failures, the device is still able to recover the vehicle to the running state so as to be very convenient for operators and maintainers; the device is suitable for being used for solving the same problems on engineering vehicles, such as engineering cranes, elevating platform fire vehicles, overhead operation vehicles, etc. The device has very large meaning for the safety and convenience of the whole vehicle.
Description
Technical field
The utility model relates to a kind of turntable turning gear of engineering truck.
Background technology
At present, the revolution of the turntable of engineering truck generally is to adopt HM Hydraulic Motor to drive rotary reducer, by gear and the motion of pivoting support gear mesh, realizes whole gyroscopic movement of getting on the bus, and wherein drg is normally closed in the swing type mechanism.Whole rotating power is from driving engine, and the change speed gear box power takeoff drives the work of hydraulic oil pump, and drg relies on pressure oil to open.When at vehicle operation, if driving engine, any one in power takeoff or the oil pump breaks down, and can not provide pressure oil to drg, just can't open drg, and vehicle is recovered to motoring condition, brings a lot of difficulties to operating personal like this.
Summary of the invention
The purpose of this utility model is that a kind of easy to operate rotating manual emergency turning gear of turntable of guaranteeing will be provided.
The purpose of this utility model is achieved in that rotary motor connects trainstop, trainstop connects rotary reducer, be fixed on the manual pump in the rotary motor outside, the hydraulic oil pipe of its lower end is connected with trainstop pressure hydraulic fluid port on the trainstop with the rib valve respectively by tee ball valve.
Owing to adopt such scheme, guaranteed when the time at vehicle operation, if driving engine, in power takeoff or the oil pump any one breaks down, and still can be recovered to motoring condition to vehicle, brings great convenience for like this operating personal and maintainer, this device is useful in crane, Elevating platform fire truck solves same problem on the engineering trucks such as aerial platform, safety and the comfort feature that improves car load had very big meaning.
Description of drawings
Accompanying drawing is a constructional drawing of the present utility model.
1 rotary motor, 2 manual pumps, 3 hydraulic oil pipes, 4 tee ball valves, 5 rotary reducers, 6 trainstop pressure hydraulic fluid ports, 7 trainstops, 8 rib valves among the figure.
The specific embodiment
Embodiment: rotary motor 1 connects trainstop 7, trainstop 7 connects rotary reducers 5, and the hydraulic oil pipe 3 that is fixed on manual pump 2 its lower ends in rotary motor 1 outside is connected with trainstop pressure hydraulic fluid port 6 on the trainstop 7 with rib valve 8 respectively by tee ball valve 4.
If want to allow trainstop 7 be opened by manual pump 2, the pressure that tee ball valve 4 must be in manual pump 2 to be provided can arrive the position of trainstop 7, yet when normal operation, the pressure that tee ball valve 4 must be in hydraulic efficiency pressure system to be provided can arrive the position of trainstop 7.When needs manual pump 2 revolving-turrets, at first remove rotary motor 1, crank is installed into rotary gear box, with gear mesh, pressure that tee ball valve 4 makes it to be in manual pump 2 and provide is provided then can arrives the position of trainstop 7, clickwise manual pump 2 is opened trainstop 7, pulls crank at last and realizes the turntable revolution.Can also rotate the handle of manual pump 2,, close trainstop 7 to inner rotary.
Claims (1)
1, a kind of manual emergency turning gear, it is characterized in that: rotary motor connects trainstop, trainstop connects rotary reducer, and the hydraulic oil pipe that is fixed on its lower end of manual pump in the rotary motor outside is connected with trainstop pressure hydraulic fluid port on the trainstop with the rib valve respectively by tee ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420025795 CN2693547Y (en) | 2004-03-26 | 2004-03-26 | Hand operated emergency turning gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420025795 CN2693547Y (en) | 2004-03-26 | 2004-03-26 | Hand operated emergency turning gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2693547Y true CN2693547Y (en) | 2005-04-20 |
Family
ID=34771039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420025795 Expired - Lifetime CN2693547Y (en) | 2004-03-26 | 2004-03-26 | Hand operated emergency turning gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2693547Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425654A (en) * | 2011-11-11 | 2012-04-25 | 中联重科股份有限公司 | Device and method for adjusting gear meshing backlash of revolving mechanism |
| CN105253792A (en) * | 2015-07-31 | 2016-01-20 | 武汉船用机械有限责任公司 | Rotation control system for crane |
-
2004
- 2004-03-26 CN CN 200420025795 patent/CN2693547Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425654A (en) * | 2011-11-11 | 2012-04-25 | 中联重科股份有限公司 | Device and method for adjusting gear meshing backlash of revolving mechanism |
| CN102425654B (en) * | 2011-11-11 | 2015-06-17 | 中联重科股份有限公司 | Device and method for adjusting gear meshing backlash of revolving mechanism |
| CN105253792A (en) * | 2015-07-31 | 2016-01-20 | 武汉船用机械有限责任公司 | Rotation control system for crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090220 Address after: No. 165 Copper Road, Jiangsu, Xuzhou Province, China: 221004 Patentee after: Xuzhou Heavy Machinery Co., Ltd. Address before: No. 165 Copper Road, Jiangsu, Xuzhou Province, China: 221004 Patentee before: Xuzhou Heavy Machinery Plant |
|
| ASS | Succession or assignment of patent right |
Owner name: XUZHOU HEACY MACHINE CO., LTD. Free format text: FORMER OWNER: XUZHOU HEACY MACHINERY PLANT Effective date: 20090220 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140326 Granted publication date: 20050420 |