CN210265585U

CN210265585U - Novel overrunning clutch of loader

Info

Publication number: CN210265585U
Application number: CN201921148282.4U
Authority: CN
Inventors: 韩镇; 陈关城; 韩兴儿; 葛胜新
Original assignee: Hangzhou Zongxing Technology Co ltd
Current assignee: Hangzhou Zongxing Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-07
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to a novel freewheel clutch of loader, affiliated freewheel clutch technical field, including freewheel clutch, freewheel clutch includes the clutch box, be equipped with the middle input shaft with clutch box bearing formula inlay card in the clutch box, be equipped with the middle input shaft gear with the spacing nested connection of middle input shaft threaded clamp spring on the middle input shaft, middle input shaft gear side is equipped with the outer loop gear who cup joints with middle input shaft bearing formula clamp spring is spacing, be equipped with the spacer sleeve who cup joints with middle input shaft between outer loop gear and middle input shaft, be equipped with the inner ring cam who cup joints mutually with the outer loop gear between outer loop gear and middle input shaft gear, be equipped with a plurality of rollers between inner ring cam and outer loop gear, be equipped with a plurality of spring reset assembly with roller looks elastic crimping in the inner ring cam. The clutch has the advantages of good oil cleanliness, good running stability, high clutch structural strength, good heat dissipation effect and long service life. The heat dissipation effect is improved, and the operation stability is improved.

Description

Novel overrunning clutch of loader

Technical Field

The utility model relates to an overrun clutch technical field, concretely relates to novel overrun clutch of loader.

Background

The loader is a kind of earth and stone construction machinery widely used in highway, railway, building, water and electricity, port and mine, and is mainly used for shoveling and loading bulk materials such as soil, gravel, lime and coal, and also for light shoveling and digging of ore and hard soil. Different auxiliary working devices can be replaced, and soil shifting, hoisting and other materials, such as wood loading and unloading operation, can also be carried out. In road construction, particularly in high-grade highway construction, the loader is used for filling and digging of roadbed engineering, and collecting and loading of asphalt mixture and cement concrete yards. Besides, the machine can also carry out the operations of pushing and transporting soil, scraping the ground, pulling other machines and the like. The loader has the advantages of high operation speed, high efficiency, good maneuverability, light operation and the like, so the loader becomes one of the main types of earthwork construction in engineering construction. The domestic loader market is mainly domestic middle and low-end products, and foreign high-end brands are rarely sold, so that the loader is a mature and important earthwork machine.

The overrunning clutch is a basic component which appears along with the development of mechatronics products, and is an important part for power transmission and separation functions between a prime mover and a working machine or between a driving shaft and a driven shaft in the machine. It is a device with self-clutch function by using the speed change of driving and driven parts or the change of rotation direction.

The overrunning clutch is a key part in the loader gearbox, and the reliability of the overrunning clutch is directly related to the reliability of the loader gearbox and the whole loader. The loader equipped with the overrunning clutch assembly accounts for more than 70% of the total weight of the loader. The model ZL60 loader has a large annual growth rate, and therefore the number of main engine installations and market accessory requirements for the overrunning clutch assembly are very large.

Disclosure of Invention

The utility model discloses there is poor, the operational stability is poor, separation and reunion structural strength is low, the heat dissipation is not smooth and life is short not enough among the main prior art of solution, provides a novel freewheel clutch of loader, and it has that the fluid cleanliness is good, the operational stability is good, separation and reunion structural strength is high, the radiating effect is good and long service life's advantage. The running stability is improved. The clutch avoids the influence of oil impurities on the operation of the clutch in the long-time clutch operation, and reduces and accelerates the wear rate of parts in the overrunning clutch.

The above technical problem of the present invention can be solved by the following technical solutions:

a novel overrunning clutch of a loader comprises the overrunning clutch, the overrunning clutch comprises a clutch box body, a middle input shaft which is in bearing-type embedded with the clutch box body is arranged in the clutch box body, a middle input shaft gear which is in limit embedded connection with a threaded clamp spring of the middle input shaft is arranged on the middle input shaft, an outer ring gear which is in limit embedded connection with the bearing-type clamp spring of the middle input shaft is arranged on the side edge of the middle input shaft gear, an isolating sleeve which is in sleeve connection with the middle input shaft is arranged between the outer ring gear and the middle input shaft, an inner ring cam which is in sleeve connection with the outer ring gear is arranged between the outer ring gear and the middle input shaft gear, a roller is arranged between the inner ring cam and the outer ring gear, a spring reset component which is elastically pressed and connected with the roller is arranged in the inner ring cam, and the spring reset component comprises a spring seat which is movably embedded with the inner ring cam, and a spring sleeved with the spring seat is arranged between the spring seat and the inner ring cam.

Preferably, a left base plate is arranged between the inner ring cam and the middle input shaft gear, and a right base plate connected with the middle input shaft gear through a spring washer type bolt is arranged between the inner ring cam and the outer ring gear.

Preferably, a filter element filter communicated with the overrunning clutch phase pipeline is arranged on the side edge of the overrunning clutch, an oil outlet pipe is arranged between the upper end of the filter element filter and the overrunning clutch, and an oil return pipe communicated with the overrunning clutch is arranged on the side end of the filter element filter.

Preferably, a buffering type energy providing assembly is arranged on the side edge of the filter element filter, and a power conversion impeller assembly is arranged between the buffering type energy providing assembly and the oil outlet pipe.

Preferably, the buffer type energy providing assembly comprises a buffer tank body, a flange connecting plate is arranged on the buffer tank body, a piston rod movably nested with the buffer tank body is arranged between the flange connecting plate and the buffer tank body, a buffer spring sleeved with the piston rod is arranged between the flange connecting plate and the buffer tank body, a liquid return groove hermetically sleeved with the buffer tank body is arranged at the front end of the piston rod, buffer liquid is arranged in the buffer tank body, and a circulating liquid return pipe respectively communicated with the liquid return groove and the buffer liquid is arranged on the outer wall of the buffer tank body. The buffer spring plays a role in buffering and damping the flange connecting plate.

Preferably, the power conversion impeller assembly comprises a connecting driving shaft, two ends of the connecting driving shaft are respectively connected with a circulating liquid return pipe and an oil outlet pipe in a nested manner in a sealed bearing manner, a driving impeller which is connected with a clamp spring of the connecting driving shaft in a flat-key type limiting and nesting mode is arranged in the circulating liquid return pipe, a driven impeller which is connected with the clamp spring of the connecting driving shaft in a flat-key type limiting and nesting mode is arranged in the oil outlet pipe, and a pipe protection shaft sleeve which is connected with the connecting driving shaft in a sleeved manner is arranged between the circulating liquid return pipe and the oil outlet.

The utility model discloses can reach following effect:

the utility model provides a novel freewheel clutch of loader compares with prior art, has that the fluid cleanliness is good, operating stability is good, separation and reunion structural strength is high, the radiating effect is good and long service life's advantage. The running stability is improved. The clutch avoids the influence of oil impurities on the operation of the clutch in the long-time clutch operation, and reduces and accelerates the wear rate of parts in the overrunning clutch.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the overrunning clutch according to the present invention.

Fig. 3 is a partial structural schematic diagram of the overrunning clutch of the present invention.

Fig. 4 is a cross-sectional view of the structure of the buffered energy supply assembly of the present invention.

Fig. 5 is a cross-sectional view of the power conversion impeller assembly of the present invention.

In the figure: the buffering type energy supply assembly comprises a buffering type energy supply assembly 1, a power conversion impeller assembly 2, an oil outlet pipe 3, a filter element filter 4, an oil return pipe 5, an overrunning clutch 6, a clutch box 7, an intermediate input shaft gear 8, a left backing plate 9, a roller 10, an inner ring cam 11, an outer ring gear 12, a right backing plate 13, an isolation sleeve 14, an intermediate input shaft 15, a spring return assembly 16, a spring seat 17, a spring 18, a flange connecting plate 19, a piston rod 20, a buffering spring 21, a liquid return groove 22, a circulating liquid return pipe 23, a buffering liquid 24, a buffering tank body 25, a driving impeller 26, a pipe protection shaft sleeve 27, a connecting driving shaft 28 and a driven impeller 29.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1-5, the novel overrunning clutch of the loader comprises a overrunning clutch 6, a filter element filter 4 communicated with a pipeline of the overrunning clutch 6 is arranged on the side of the overrunning clutch 6, an oil outlet pipe 3 is arranged between the upper end of the filter element filter 4 and the overrunning clutch 6, and an oil return pipe 5 communicated with the overrunning clutch 6 is arranged on the side end of the filter element filter 4. The side of the filter element filter 4 is provided with a buffer type energy providing component 1, and a power conversion impeller component 2 is arranged between the buffer type energy providing component 1 and the oil outlet pipe 3. The buffering type energy providing component 1 comprises a buffering tank body 25, a flange connecting plate 19 is arranged on the buffering tank body 25, a piston rod 20 movably nested with the buffering tank body 25 is arranged between the flange connecting plate 19 and the buffering tank body 25, a buffering spring 21 sleeved with the piston rod 20 is arranged between the flange connecting plate 19 and the buffering tank body 25, a liquid return groove 22 sleeved with the buffering tank body 25 in a sealing mode is arranged at the front end of the piston rod 20, a buffering liquid 24 is arranged in the buffering tank body 25, and a circulating liquid return pipe 23 communicated with the liquid return groove 22 and the buffering liquid 24 is arranged on the outer wall of the buffering tank body 25.

The power conversion impeller assembly 2 comprises a connecting driving shaft 28, two ends of the connecting driving shaft 28 are respectively connected with a circulating liquid return pipe 23 and an oil outlet pipe 3 in a sealing type bearing nesting mode, a driving impeller 26 which is connected with the connecting driving shaft 28 in a flat-key type limiting nesting mode is arranged in the circulating liquid return pipe 23, a driven impeller 29 which is connected with the connecting driving shaft 28 in a flat-key type limiting nesting mode is arranged in the oil outlet pipe 3, and a pipe protection shaft sleeve 27 which is connected with the connecting driving shaft 28 in a sleeved mode is arranged between the circulating liquid return pipe 23 and the oil outlet pipe 3.

The overrunning clutch 6 comprises a clutch box body 7, a middle input shaft 15 which is clamped and embedded with a bearing of the clutch box body 7 is arranged in the clutch box body 7, a middle input shaft gear 8 which is in limit and embedded connection with a thread type clamp spring of the middle input shaft 15 is arranged on the middle input shaft 15, an outer ring gear 12 which is in limit and embedded connection with the bearing type clamp spring of the middle input shaft 15 is arranged on the side edge of the middle input shaft gear 8, an isolating sleeve 14 which is in sleeve connection with the middle input shaft 15 is arranged between the outer ring gear 12 and the middle input shaft 15, an inner ring cam 11 which is in sleeve connection with the outer ring gear 12 is arranged between the outer ring gear 12 and the middle input shaft gear 8, a left cushion plate 9 is arranged between the inner ring cam 11 and the middle input shaft gear 8, and a right cushion plate 13 which is in bolt connection with a spring washer of the middle input shaft gear 8 is. 24 rollers 10 are arranged between the inner ring cam 11 and the

outer ring gear

12, 24 sets of spring return assemblies 16 which are elastically pressed with the rollers 10 are arranged in the inner ring cam 11, each spring return assembly 16 comprises a spring seat 17 movably nested with the inner ring cam 11, and a spring 18 which is sleeved with the spring seat 17 is arranged between the spring seat 17 and the inner ring cam 11.

When the middle input shaft 15 starts to run and rotate, the overrunning clutch 6 carries out the transmission overrunning clutch working process, and at the moment, oil flows to the transmission part in the middle input shaft 15 for lubricating and radiating and flows into the clutch box 7. In the operation process, the flange connecting plate 19 is bumped and vibrated to drive the piston rod 20 to move up and down in the buffer tank 25, so that the buffer solution 24 reciprocates between the buffer tank 25 and the liquid return groove 22 through the circulating liquid return pipe 23. The reciprocating circular flow of the buffer solution 24 makes the driving impeller 26 rotate and simultaneously drives the driven impeller 29 to rotate through the connecting driving shaft 28, so as to realize a vacuum state satisfying the flow of the liquid in the outlet pipe 3. The oil in the overrunning clutch 6 enters the filter element filter 4 through the oil outlet pipe 3 to be filtered and exhausted, and then is sent back to the middle input shaft 15 through the oil return pipe 5.

When the engine is respectively transmitted into the middle input shaft 15 and the outer ring gear 12 to carry out anticlockwise meshing operation, and when the rotating speed of the middle input shaft 15 is higher than that of the outer ring gear 12, the roller 10 is in an overrunning state on the raceway surface, the power of the outer ring gear 12 cannot be transmitted, and the power is directly transmitted into and output from the middle input shaft gear 8 on the middle input shaft 15. When the rotating speed of the middle input shaft 15 is lower than that of the outer ring gear 12, the rollers 10 rotate on the surface of the raceway in a friction mode and are wedged tightly, so that the middle input shaft gear 8 and the outer ring gear 12 on the middle input shaft 15 rotate together, two powers are input from the middle input shaft gear 8 and the outer ring gear 12 respectively and output together, and the output torque is increased.

In conclusion, the novel overrunning clutch of the loader has the advantages of good oil cleanliness, good running stability, high clutch structural strength, good heat dissipation effect and long service life. The running stability is improved. The clutch avoids the influence of oil impurities on the operation of the clutch in the long-time clutch operation, and reduces and accelerates the wear rate of parts in the overrunning clutch.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a novel freewheel clutch of loader which characterized in that: comprises an overrunning clutch (6), the overrunning clutch (6) comprises a clutch box body (7), a middle input shaft (15) which is clamped and embedded with the clutch box body (7) in a bearing mode is arranged in the clutch box body (7), a middle input shaft gear (8) which is in limit nested connection with a middle input shaft (15) in a threaded type clamp spring is arranged on the middle input shaft (15), an outer ring gear (12) which is in limit nested connection with the middle input shaft (15) is arranged on the side edge of the middle input shaft gear (8), an isolating sleeve (14) which is in nested connection with the middle input shaft (15) is arranged between the outer ring gear (12) and the middle input shaft (15), an inner ring cam (11) which is in nested connection with the outer ring gear (12) is arranged between the outer ring gear (12) and the middle input shaft gear (8), a plurality of rollers (10) are arranged between the inner ring cam (11) and the outer ring gear (12), a plurality of spring return assemblies (16) elastically pressed with the rollers (10) are arranged in the inner ring cam (11), each spring return assembly (16) comprises a spring seat (17) movably nested with the inner ring cam (11), and a spring (18) sleeved with the spring seat (17) is arranged between each spring seat (17) and the inner ring cam (11).

2. The novel overrunning clutch of the loader according to claim 1, wherein: a left base plate (9) is arranged between the inner ring cam (11) and the middle input shaft gear (8), and a right base plate (13) connected with the middle input shaft gear (8) through spring washer type bolts is arranged between the inner ring cam (11) and the outer ring gear (12).

3. The novel overrunning clutch of the loader according to claim 1, wherein: the filter is characterized in that a filter element filter (4) communicated with the overrunning clutch (6) through a pipeline is arranged on the side edge of the overrunning clutch (6), an oil outlet pipe (3) is arranged between the upper end of the filter element filter (4) and the overrunning clutch (6), and an oil return pipe (5) communicated with the overrunning clutch (6) is arranged on the side end of the filter element filter (4).

4. The novel overrunning clutch of the loader according to claim 3, wherein: the filter element filter (4) side be equipped with buffering formula energy and provide subassembly (1), buffering formula energy provide subassembly (1) and go out oil pipe (3) between be equipped with power conversion impeller subassembly (2).

5. The novel overrunning clutch of the loader according to claim 4, wherein: buffer formula energy provide subassembly (1) including the buffer tank body (25), the buffer tank body (25) on be equipped with flange joint board (19), flange joint board (19) and buffer tank body (25) between be equipped with the movable nested piston rod (20) of buffer tank body (25) mutually, flange joint board (19) and buffer tank body (25) between be equipped with buffer spring (21) that cup joint with piston rod (20) mutually, piston rod (20) front end be equipped with return tank (22) that cup joint with the buffer tank body (25) mutually sealed, buffer tank body (25) in be equipped with buffer solution (24), buffer tank body (25) outer wall on be equipped with circulation return pipe (23) that are linked together with return tank (22), buffer solution (24) respectively.

6. The novel overrunning clutch of the loader according to claim 5, wherein: the power conversion impeller assembly (2) comprises a connecting driving shaft (28), two ends of the connecting driving shaft (28) are respectively connected with a circulating liquid return pipe (23) and an oil outlet pipe (3) in a sealed bearing nested manner, a driving impeller (26) which is horizontally embedded in a key manner with a clamping spring of the connecting driving shaft (28) is arranged in the circulating liquid return pipe (23), a driven impeller (29) which is horizontally embedded in a key manner with a clamping spring of the connecting driving shaft (28) is arranged in the oil outlet pipe (3), and a pipe protection shaft sleeve (27) which is sleeved with the connecting driving shaft (28) is arranged between the circulating liquid return pipe (23) and the oil outlet pipe (3).