CN103303829A - Empty hook free and quick releasing planetary gear winding reducer for crawler-type automobile crane - Google Patents
Empty hook free and quick releasing planetary gear winding reducer for crawler-type automobile crane Download PDFInfo
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- CN103303829A CN103303829A CN 201310258001 CN201310258001A CN103303829A CN 103303829 A CN103303829 A CN 103303829A CN 201310258001 CN201310258001 CN 201310258001 CN 201310258001 A CN201310258001 A CN 201310258001A CN 103303829 A CN103303829 A CN 103303829A
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- clutch
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- reductor
- reel
- spline
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Abstract
The invention discloses an empty hook free and quick releasing planetary gear winding reducer for a crawler-type automobile crane. The reducer comprises a first bearing support, a first bearing support seat, a driving shaft, a reducer assembly, a first bearing, a winding drum, an output shaft, a clutch assembly, a clutch casing, splines, a second bearing, an oil inlet, an internal oil passage, a second bearing support, a second bearing support seat, a friction plate, a clutch shaft, a seal ring and a brake hub. The reducer is characterized in that the driving shaft at the left end is connected with the reducer assembly; the reducer assembly and the clutch assembly are connected through a spline, are arranged in the winding drum, and are connected with a machine frame of a crane through the first bearing support, the first bearing support seat, the second bearing support and the second bearing support seat; the oil inlet and the internal oil passage are formed in the right end surface of the clutch assembly; the clutch assembly is connected with the output shaft at the right end of the reducer through a spline; the clutch casing is fixedly connected with the winding drum; the brake hub is integrated with the winding drum and located on the excircle on the left side of the winding drum.
Description
Technical field
The invention belongs to mechanical manufacturing field, relate in particular to a kind of free fast clearance star gear hoisting speed reducer of the empty hook of QJXK280.59-01 type that job that requires special skills link belt type truck cranes such as dynamic compaction machinery, grab bucket continuously, draw bucket, diaphragm wall use that is applied to.
Background technology
The hoisting speed reducer structure is the most basic parts of crane tool, be widely used on all kinds of elevator machineries such as crawler crane, car hosit, crane in bridge type, transfer crane and building crane, hoisting speed reducer is to guarantee the reliable and secure critical component that carries out of its elevator operation on the hoisting crane, determines the quality of winch elevator transaction capabilities to a great extent.At present, traditional car hosit mostly adopts the permanent mode of captiveing joint with between the power output element of hoisting speed reducer and the reel, namely no matter under any service conditions, drive the reel operation by reductor, or even under the situation of unloaded off the hook, the falling speed that this has not only limited suspension hook has reduced work efficiency, has prolonged work-hours, and cause unnecessary energy resource consumption and the wearing and tearing of reductor, influenced the life-span of reductor.Therefore, in order to adapt to different operation operating modes, require car hosit, especially the link belt type truck crane of continuous working need have the function that the sky hook is put soon, to increase work efficiency, to save production time, satisfies the needs of duration.But in use still there is following some deficiency in the free off the hook hoisting speed reducer of traditional link belt type truck crane: 1. traditional free off the hook hoisting speed reducer reductor assembly and clutch assembly are inseparable integral structure, the overall dimensions chain is long, is unfavorable for assembling and maintenance; 2. because clutch assembly and reductor assembly are an integral body, two parts influence each other, reel reductor reliability decrease; 3. the clutch brake sheet is consumable accessory, and consumable accessory replacing and dismounting are relatively more difficult in the reductor working process; 4. lip is connected with clutch spindle in traditional hoisting speed reducer structure, big, the easily inefficacy of deviation, and sealing effectiveness is relatively poor.In order to overcome above-mentioned defective, product of the present invention is reformed traditional product, and the reductor assembly is separated with clutch assembly, individual member as parallel assembles from two ends respectively, and the reductor assembly is connected by spline with clutch assembly, separate simply, assembling is quick.After adopting isolating construction, have following advantage: 1. clutch assembly separates the back with the reductor assembly and adopts spline to be connected, and the minimizing that influences each other has improved reliability, uses the result from the user, feeds back the frequency and is lower than the conventional confguration product; 2. assembling, easy to maintenance, after adopting isolating construction, solved the long assembling difficult problem that brings of overall dimensions chain, can assemble simultaneously from two ends, dismounting is convenient, has saved manufacturing time, simultaneously, consumable accessory is dismantled, changes convenient and swift, has improved the operating efficiency of hoisting crane, satisfies the needs of duration; 3. sealing property improves, and lip is connected with clutch spindle in traditional free off the hook hoisting speed reducer structure, and deviation is big, easily lost efficacy, the reductor assembly of the free off the hook hoisting speed reducer among the present invention is individual member, and it adopts seal ring to realize independent mechanical dynamic seal, good seal performance; 4, have high rigidity, high driving efficiency, high moment of torsion/volume ratio, compare with traditional free off the hook hoisting speed reducer, have dependable performance, maintenance process is simple, the advantage that selling price is low.
Summary of the invention
In order to overcome the defective that the free fast clearance star gear hoisting speed reducer of traditional empty hook exists, the invention provides a kind of with reductor assembly and clutch assembly as parallel individual member, both can separate, the free fast clearance star gear hoisting speed reducer of the novel empty hook that compact conformation, easy accessibility, result of use are good.
The technical scheme that the present invention takes is:
A kind of link belt type truck crane comprises: clutch shaft bearing supporting and supporting base, axle drive shaft, reductor assembly, clutch shaft bearing, reel, output shaft, clutch assembly, clutch-bell cover, spline, second bearing, oil inlet and internal oil channel, the second bearing supporting and supporting base, friction lining, clutch spindle, seal ring, braking hub with the free fast clearance star gear hoisting speed reducer of empty hook; It is characterized in that: power is from the axle drive shaft input of left end, the axle drive shaft of left end is connected with the reductor assembly, the reductor assembly is secondary planetary gear reducing mechanism, reductor assembly and clutch assembly are connected by spline as two parallel individual members, the reductor assembly and the clutch assembly that connect with spline are built in the reel, and by clutch shaft bearing supporting and supporting base, the second bearing supporting links to each other with the hoisting crane frame with supporting base, the right side of clutch assembly is provided with oil inlet and internal oil channel, clutch assembly is connected by spline with the output shaft of reductor right-hand member, clutch-bell cover is captiveed joint with reel, and braking hub and reel are an integral body and are on the left side cylindrical of reel.
Further technical scheme of the present invention is:
Described clutch assembly comprises clutch-bell cover, friction lining, clutch spindle, and clutch-bell cover closely links to each other with clutch spindle by friction lining.
Described friction lining is copper based powder metallurgy friction wafer.
Described clutch-bell cover is captiveed joint by screw with reel.
Described reductor assembly and clutch assembly as parallel individual member, connect by spline respectively.
Described reductor assembly adopts seal ring to realize independent mechanical dynamic seal.
The invention has the beneficial effects as follows:
1. reliable in structure is separated the back with reductor assembly and clutch assembly and is adopted spline to be connected, and these two absolute construction can not influence each other because of composition error separately, and reliability improves.
2. after adopting the separation absolute construction, assembling, easy to maintenance, solved the long assembling difficult problem that brings of overall dimensions chain, can with reductor and power-transfer clutch respectively separately separately assembling finish, and can assemble simultaneously from the reel two ends, it is convenient to install and remove, simultaneously, consumable accessory is dismantled, changes convenient and swift, has improved the operating efficiency of hoisting crane.
3. convenient and swift as friction lining dismounting, the replacing of consumable accessory, dismounting that can be at the construction field (site), operating efficiency height not only, and fundamentally solved conventional confguration in above-mentioned dismounting operation, the waste that lubricating oil in the reductor flows out and oil contamination problem and unavoidably will damage the technical barrier who is installed in the two outside framework oil seals on the clutch spindle because of dismounting.
4. sealing property improves, and traditional free off the hook hoisting speed reducer structure is connected with clutch spindle, and deviation is big, easily lost efficacy, the reductor assembly of the free off the hook hoisting speed reducer among the present invention is individual member, and it adopts seal ring to realize independent mechanical dynamic seal, good seal performance.
Description of drawings:
Be sectional structure chart of the present invention as Fig. 1.
The specific embodiment
Embodiment:
1, a kind of link belt type truck crane comprises: clutch shaft bearing supporting and supporting base 1, axle drive shaft 2, reductor assembly 3, clutch shaft bearing 4, reel 5, output shaft 6, clutch assembly 7, clutch-bell cover 8, spline 9, second bearing 10, oil inlet and internal oil channel 11, the supporting of second bearing and supporting base 12, friction lining 13, clutch spindle 14, seal ring 15, braking hub 16 with the free fast clearance star gear hoisting speed reducer of empty hook; It is characterized in that: power is from axle drive shaft 2 inputs of left end, the axle drive shaft 2 of left end is connected with reductor assembly 3, reductor assembly 3 is secondary planetary gear reducing mechanism, reductor assembly 3 and clutch assembly 7 are connected by spline 9 as two parallel individual members, the reductor assembly 3 and the clutch assembly 7 that connect with spline 9 are built in the reel 5, and by clutch shaft bearing supporting and supporting base 1, the supporting of second bearing links to each other with the hoisting crane frame with supporting base 12, the right side of clutch assembly 7 is provided with oil inlet and internal oil channel 11, the output shaft 6 of clutch assembly 7 and reductor right-hand member is connected by spline 9, clutch-bell cover 8 is captiveed joint with reel 5, and braking hub 16 and reel 5 are an integral body and are on the left side cylindrical of reel 5.Described clutch assembly comprises clutch-bell cover, friction lining, clutch spindle, and clutch-bell cover closely links to each other with clutch spindle by friction lining; Described friction lining is copper based powder metallurgy friction wafer; Described clutch-bell cover is captiveed joint by screw with reel; Described reductor assembly and clutch assembly as parallel individual member, connect by spline respectively; Described reductor assembly adopts seal ring to realize independent mechanical dynamic seal.
2, when needs promote suspension hook, this link belt type truck crane is captiveed joint with hoisting crane frame frame with supporting base 12 with supporting base 1, the supporting of second bearing by the clutch shaft bearing supporting with the free fast clearance star gear hoisting speed reducer of empty hook, HM Hydraulic Motor drives axle drive shaft 2 rotations, power is passed on the output shaft 6 through reductor assembly 3, output shaft 6 by clutch assembly 7 with transmission of power to executive item reel 5, realize common hoisting, down maneuver; When needs are transferred fast, pump into hydraulic oil by power-transfer clutch oil inlet and internal oil channel 11, clutch assembly 7 is opened, this moment, clutch spindle 14 all was in dead ship condition with reductor assembly 3, and clutch-bell cover 8 rotates freely under the effect of gravity in company with reel 5, after suspension hook falls to putting in place, external drg braking with locked wheels hub 16, reel 5 stops, and power-transfer clutch is closed then, is returned to common mode of operation and hoists, descends.
Claims (6)
1. a link belt type truck crane comprises: clutch shaft bearing supporting and supporting base (1), axle drive shaft (2), reductor assembly (3), clutch shaft bearing (4), reel (5), output shaft (6), clutch assembly (7), clutch-bell cover (8), spline (9), second bearing (10), oil inlet and internal oil channel (11), the supporting of second bearing and supporting base (12), friction lining (13), clutch spindle (14), seal ring (15), braking hub (16) with the free fast clearance star gear hoisting speed reducer of empty hook; It is characterized in that: power is from axle drive shaft (2) input of left end, the axle drive shaft of left end (2) is connected with reductor assembly (3), reductor assembly (3) is secondary planetary gear reducing mechanism, reductor assembly (3) and clutch assembly (7) are connected by spline (9) as two parallel individual members, the reductor assembly (3) and the clutch assembly (7) that connect with spline (9) are built in the reel (5), and by clutch shaft bearing supporting and supporting base (1), the supporting of second bearing links to each other with the hoisting crane frame with supporting base (12), the right side of clutch assembly (7) is provided with oil inlet and internal oil channel (11), the output shaft (6) of clutch assembly (7) and reductor right-hand member is connected by spline (9), clutch-bell cover (8) is captiveed joint with reel (5), and braking hub (16) and reel (5) are an integral body and are on the left side cylindrical of reel (5).
2. a kind of link belt type truck crane according to claim 1 is with the free fast clearance star gear hoisting speed reducer of empty hook, it is characterized in that: described clutch assembly comprises clutch-bell cover, friction lining, clutch spindle, and clutch-bell cover closely links to each other with clutch spindle by friction lining.
3. a kind of link belt type truck crane according to claim 2 is with the clutch assembly of the free fast clearance star gear hoisting speed reducer of empty hook, and it is characterized in that: described friction lining is copper based powder metallurgy friction wafer.
4. a kind of link belt type truck crane according to claim 1 is with the free fast clearance star gear hoisting speed reducer of empty hook, and it is characterized in that: described clutch-bell cover is captiveed joint by screw with reel.
5. a kind of link belt type truck crane according to claim 1 is with the free fast clearance star gear hoisting speed reducer of empty hook, and it is characterized in that: described reductor assembly and clutch assembly as the individual member that walks abreast, connect by spline respectively.
6. a kind of link belt type truck crane according to claim 1 is characterized in that: the independent mechanical dynamic seal of described reductor assembly employing seal ring realization with the free fast clearance star gear hoisting speed reducer of empty hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310258001 CN103303829A (en) | 2013-06-26 | 2013-06-26 | Empty hook free and quick releasing planetary gear winding reducer for crawler-type automobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310258001 CN103303829A (en) | 2013-06-26 | 2013-06-26 | Empty hook free and quick releasing planetary gear winding reducer for crawler-type automobile crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103303829A true CN103303829A (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310258001 Pending CN103303829A (en) | 2013-06-26 | 2013-06-26 | Empty hook free and quick releasing planetary gear winding reducer for crawler-type automobile crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103303829A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641011A (en) * | 2013-12-24 | 2014-03-19 | 大连华锐重工集团股份有限公司 | High-performance hook free falling hoisting mechanism |
| CN104477803A (en) * | 2014-11-05 | 2015-04-01 | 中联重科股份有限公司 | Crane and hoisting mechanism thereof |
-
2013
- 2013-06-26 CN CN 201310258001 patent/CN103303829A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641011A (en) * | 2013-12-24 | 2014-03-19 | 大连华锐重工集团股份有限公司 | High-performance hook free falling hoisting mechanism |
| CN103641011B (en) * | 2013-12-24 | 2016-02-17 | 大连华锐重工集团股份有限公司 | A kind of performance-oriented free off the hook hoisting mechanism |
| CN104477803A (en) * | 2014-11-05 | 2015-04-01 | 中联重科股份有限公司 | Crane and hoisting mechanism thereof |
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Application publication date: 20130918 |