CN210919866U

CN210919866U - Constant velocity universal drive shaft

Info

Publication number: CN210919866U
Application number: CN201921898640.3U
Authority: CN
Inventors: 韦洲
Original assignee: Xuzhou Dongdu Machinery Technology Co ltd
Current assignee: Xuzhou Dongdu Machinery Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-03
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a constant velocity universal drive shaft, including the telescopic tube, the outer wall fixedly connected with lubricating arrangement of telescopic tube, telescopic tube's one end is provided with the running-on, one side of running-on is provided with the slip integral key shaft, the one end of slip integral key shaft is provided with central siphon and oil seal lid, the central siphon is located one side of oil seal lid, the one end of oil seal lid is provided with the damping ring device, one side of damping ring device is provided with connects even pipe, connect one side fixedly connected with transmission central siphon of even pipe, the middle part of transmission central siphon is provided with the second universal joint, the other end of telescopic tube is provided with first universal joint. A constant velocity universal drive shaft, be equipped with lubricating arrangement and damping ring device, can effectual oil storage lubricate the transmission shaft is inside to can alleviate the shake range of universal shaft work to a certain extent, bring better use prospect.

Description

Constant velocity universal drive shaft

Technical Field

The utility model relates to a machine-building technical field specifically is a constant speed universal drive shaft.

Background

The transmission shaft is a rotating body with high rotating speed and less support, so the dynamic balance of the transmission shaft is crucial, the dynamic balance test is carried out on the transmission shaft before the transmission shaft leaves a factory and is adjusted on a balancing machine, for a vehicle driven by a front engine and a rear wheel, the rotation of a speed changer is transmitted to a shaft of a main speed reducer, the speed changer can be provided with a plurality of joints, the joints can be connected by universal joints, the universal transmission device is a device for transmitting power between two shafts of which the relative positions are constantly changed in the working process, the function of the device is to connect the output shaft of the speed changer and the input shaft of the main speed reducer which are not on the same straight line, and ensure that the power can be reliably transmitted under the condition that the included angle and the distance between the two shafts are frequently changed, however, the conventional universal transmission shaft has large shaft shaking amplitude in use, and the stability of the transmission shaft in operation can be influenced to a certain extent.

Universal drive shaft need lubricate joints such as the inside spare part of counter shaft often according to rust-resistantly to the biggest effect of performance, but general universal drive shaft often has the manual work earlier with hub connection portion dismantlement, then pours lubricated machine oil into the axle in, wastes time and energy, can influence work efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a constant velocity universal drive shaft possesses effectual oil storage and lubricates and alleviate advantages such as shake range in the universal shaft work to a certain extent to the transmission shaft is inside, has solved lubricated work efficiency and shake the big problem of range in the universal shaft work slowly.

(II) technical scheme

For realize above-mentioned effectual oil storage and lubricate the transmission shaft inside and alleviate the purpose of the shake range in the cardan shaft work to a certain extent, the utility model provides a following technical scheme: the utility model provides a constant velocity universal drive shaft, includes telescopic tube, telescopic tube's outer wall fixedly connected with lubricating arrangement, telescopic tube's one end is provided with the running-on, one side of running-on is provided with the slip integral key shaft, the one end of slip integral key shaft is provided with central siphon and oil seal lid, the central siphon is located one side of oil seal lid, the one end of oil seal lid is provided with the damping ring device, one side of damping ring device is provided with connects even pipe, connect one side fixedly connected with transmission central siphon of even pipe, the middle part of transmission central siphon is provided with the second universal joint, telescopic tube's the other end is provided with first universal joint, the upper end of first universal joint is provided with the apron, one side of apron is provided with the lid.

Preferably, lubricating arrangement includes main oil storage pipe, oil pipe cover, sealed the changing, leads to oil pipe and time oil storage pipe, the upper end of main oil storage pipe and the lower extreme fixed connection of oil pipe cover, the lower extreme of main oil storage pipe and the sealed upper end fixed connection who changes, the middle part of main oil storage pipe is connected with the outer wall regulation of leading to oil pipe, the middle part fixed connection of the one end of leading to oil pipe and time oil storage pipe.

Preferably, the damping ring device includes first bearing block, second bearing block, spring post and ventilation hole, the inner wall of first bearing block and the outer wall fixed connection in ventilation hole, the upper end of first bearing block and the lower extreme fixed connection of spring post, the upper end of spring post and the lower extreme fixed connection of second bearing block.

Preferably, a cross-shaped groove machine screw is arranged between the main oil storage pipe and the oil pipe cover, and the upper end of the main oil storage pipe is fixedly connected with the lower end of the oil pipe cover through the cross-shaped groove machine screw.

Preferably, an R-shaped aluminum spike is arranged between the spring column and the second pressure-bearing block, and the upper end of the spring column is fixedly connected with the lower end of the second pressure-bearing block through the R-shaped aluminum spike.

Preferably, a welding fixing block is arranged between the telescopic sleeve and the lubricating device, the outer wall of the telescopic sleeve is fixedly connected with the lower end of the lubricating device through the welding fixing block, the damping ring device is provided with a sealing gasket for connecting the connecting pipe, and one end of the damping ring device is fixedly connected with one end of the connecting pipe through the sealing gasket.

(III) advantageous effects

Compared with the prior art, the utility model provides a constant velocity universal drive shaft possesses following beneficial effect:

1. this constant velocity universal drive shaft pours lubricating oil into main oil storage pipe earlier in, and inside passing through two sets of oil pipe with lubricating oil transmission advance two sets of inferior oil storage pipes after that, can increase the lubricating efficiency to in the cardan shaft, when needs refuel, take off the oil pipe lid just can be convenient refuel work in to lubricating arrangement, the improvement that is showing has saved operating time.

2. This constant velocity universal drive shaft, through the setting of five groups of spring posts between first bearing block and the second bearing block, can effectually weaken the shake power that both sides received, the stability of the improvement transmission shaft that is showing, then the ventilation hole of first bearing block and second bearing block inner wall can ventilate the heat dissipation to the transmission shaft is inside, thereby the effectual inside overheated stability that influences work of transmission shaft that prevents.

Drawings

Fig. 1 is a schematic structural view of a constant velocity universal transmission shaft according to the present invention;

fig. 2 is a schematic structural view of a constant velocity universal transmission shaft lubricating device according to the present invention;

fig. 3 is a schematic structural view of the damping ring device of the constant velocity universal transmission shaft of the present invention.

In the figure: 1. a telescopic sleeve; 2. looping; 3. a lubricating device; 4. a sliding spline shaft; 5. a first universal joint; 6. a cover plate; 7. an axle tube; 8. sealing the oil cover; 9. a damping ring device; 10. a driveshaft tube; 11. a second universal joint; 12. connecting a connecting pipe; 13. a cover; 301. a main oil storage pipe; 302. an oil pipe cover; 303. sealing and replacing; 304. an oil pipe is communicated; 305. a secondary oil storage tube; 901. a first bearing block; 902. a second bearing block; 903. a spring post; 904. a vent hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a constant velocity universal drive shaft includes a telescopic tube 1, a lubricating device 3 is fixedly connected to an outer wall of the telescopic tube 1, a spigot 2 is provided at one end of the telescopic tube 1, a sliding spline shaft 4 is provided at one side of the spigot 2, a shaft tube 7 and an oil seal cover 8 are provided at one end of the sliding spline shaft 4, the shaft tube 7 is located at one side of the oil seal cover 8, a damping ring device 9 is provided at one end of the oil seal cover 8, a connection tube 12 is provided at one side of the damping ring device 9, a drive shaft tube 10 is fixedly connected to one side of the connection tube 12, a second universal joint 11 is provided at a middle portion of the drive shaft tube 10, a first universal joint 5 is provided at the other end of the telescopic tube 1, a cover plate 6 is provided at an upper end of the.

Further, lubricating arrangement 3 includes main oil storage pipe 301, oil pipe cover 302, sealed 303 that trades, oil pipe 304 and inferior oil storage pipe 305, the upper end of main oil storage pipe 301 and the lower extreme fixed connection of oil pipe cover 302, the lower extreme of main oil storage pipe 301 and the upper end fixed connection that sealed 303 trades, the middle part of main oil storage pipe 301 is connected with the outer wall regulation of oil pipe 304, the one end that leads to oil pipe 304 and the middle part fixed connection of inferior oil storage pipe 305, in use, pour lubricating oil into main oil storage pipe 301 earlier, then pass through inside two sets of inferior oil storage pipes 305 with lubricating oil transmission through two sets of oil pipes 304, can increase the lubricating efficiency to in the cardan shaft, when needing to refuel, take off oil pipe cover 302 and just can be convenient carry out the work of refueling in lubricating arrangement 3.

Further, the damping ring device 9 includes first bearing block 901, second bearing block 902, spring post 903 and ventilation hole 904, the inner wall of first bearing block 901 and the outer wall fixed connection of ventilation hole 904, the upper end of first bearing block 901 and the lower extreme fixed connection of spring post 903, the upper end of spring post 903 and the lower extreme fixed connection of second bearing block 902, in use, through the setting of five groups of spring posts 903 between first bearing block 901 and the second bearing block 902, can effectually weaken the shaking force that 9 both sides received, the stability of the improvement transmission shaft that is showing, then ventilation and heat dissipation can be carried out to the transmission shaft inside to ventilation hole 904 of first bearing block 901 and second bearing block 902 inner wall.

The working principle is as follows: at first can carry out the regulation of angle to equipment through driveshaft pipe 10 and second universal joint 11, through the setting of five groups of spring posts 903 between first bearing block 901 and the second bearing block 902, can effectually weaken the shaking force that 9 both sides received, the stability of the improvement transmission shaft that is showing, then the ventilation hole 904 of first bearing block 901 and the second bearing block 902 inner wall can ventilate the heat dissipation to the transmission shaft inside, pour lubricating oil into main oil storage pipe 301 in, transmit lubricating oil into two sets of secondary oil storage pipes 305 inside through two sets of oil pipe 304 after that, can increase the lubricating efficiency to the universal shaft in, when needs refuel, take off oil pipe cover 302 and just can be convenient refuel work in lubricating arrangement 3, integral key shaft slip 4 can adjust the length of counter shaft.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A constant velocity universal drive shaft comprising a telescopic tube (1), characterized in that: the outer wall of the telescopic sleeve (1) is fixedly connected with a lubricating device (3), one end of the telescopic sleeve (1) is provided with a sleeve opening (2), one side of the sleeve opening (2) is provided with a sliding spline shaft (4), one end of the sliding spline shaft (4) is provided with a shaft tube (7) and an oil sealing cover (8), the shaft tube (7) is positioned on one side of the oil sealing cover (8), one end of the oil sealing cover (8) is provided with a damping ring device (9), one side of the damping ring device (9) is provided with a connecting tube (12), one side of the connecting tube (12) is fixedly connected with a transmission shaft tube (10), the middle part of the transmission shaft tube (10) is provided with a second universal joint (11), the other end of the telescopic sleeve (1) is provided with a first universal joint (5), the upper end of the first universal joint (5) is provided with a cover plate (6), and a cover (13) is arranged on one side of the cover plate (6).

2. A constant velocity universal drive shaft according to claim 1, characterized in that: lubricating arrangement (3) are including main oil storage pipe (301), oil pipe lid (302), sealed (303), oil pipe (304) and time oil storage pipe (305) of changing, the upper end of main oil storage pipe (301) and the lower extreme fixed connection of oil pipe lid (302), the lower extreme of main oil storage pipe (301) and the sealed upper end fixed connection who changes (303), the middle part of main oil storage pipe (301) is connected with the outer wall regulation of oil pipe (304), the middle part fixed connection of the one end of oil pipe (304) and time oil storage pipe (305).

3. A constant velocity universal drive shaft according to claim 1, characterized in that: the damping ring device (9) comprises a first pressure bearing block (901), a second pressure bearing block (902), a spring column (903) and a vent hole (904), the inner wall of the first pressure bearing block (901) is fixedly connected with the outer wall of the vent hole (904), the upper end of the first pressure bearing block (901) is fixedly connected with the lower end of the spring column (903), and the upper end of the spring column (903) is fixedly connected with the lower end of the second pressure bearing block (902).

4. A constant velocity universal drive shaft according to claim 2, characterized in that: be equipped with cross groove machine silk screw between main oil storage pipe (301) and oil pipe cover (302), the upper end of main oil storage pipe (301) is through the lower extreme fixed connection of cross groove machine silk screw and oil pipe cover (302).

5. A constant velocity universal drive shaft according to claim 3, characterized in that: an R-shaped aluminum spike is arranged between the spring column (903) and the second pressure bearing block (902), and the upper end of the spring column (903) is fixedly connected with the lower end of the second pressure bearing block (902) through the R-shaped aluminum spike.

6. A constant velocity universal drive shaft according to claim 1, characterized in that: the damping device is characterized in that a welding fixing block is arranged between the telescopic sleeve (1) and the lubricating device (3), the outer wall of the telescopic sleeve (1) is fixedly connected with the lower end of the lubricating device (3) through the welding fixing block, a damping ring device (9) and a connecting pipe (12) are provided with a sealing gasket, and one end of the damping ring device (9) is fixedly connected with one end of the connecting pipe (12) through the sealing gasket.