CN114632694A

CN114632694A - Drive shaft with high load and high impact performance

Info

Publication number: CN114632694A
Application number: CN202210531433.4A
Authority: CN
Inventors: 刘宝喜; 周云; 邵锋; 瞿冬键; 尹建华; 周正中
Original assignee: Nantong Dongfang Science & Technology Co ltd
Current assignee: Nantong Dongfang Science & Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-06-17
Anticipated expiration: 2042-05-17
Also published as: CN114632694B

Abstract

The invention discloses a driving shaft with high load and high impact performance, and relates to the technical field of driving shafts; the connecting shaft is characterized by comprising a connecting shaft rod and two transmission shaft rods, wherein universal connectors are arranged between the end portions of the connecting shaft rod and the two transmission shaft rods, a shaft sleeve fixing piece is arranged on the outer side of each transmission shaft rod and consists of an outer shaft sleeve support and an inner shaft sleeve support, a sealing bearing sleeve is arranged between the outer shaft sleeve support and the inner shaft sleeve support, and an oil inlet hole is formed in the upper portion of the side face of the inner shaft sleeve support. According to the invention, lubricating oil enters from the upper part and is discharged from the lower part, the entering lubricating oil is uniformly thrown out by virtue of the rotating part in the sealed bearing sleeve to fully lubricate the outer side of the transmission shaft rod, the supporting part of the transmission shaft rod can be washed away, and particulate impurities generated by friction are washed away into the oil tank by flowing from top to bottom, so that the protection effect on the transmission shaft rod and the sealed bearing sleeve part is improved, and the load and impact resistance effect of the driving shaft structure are improved.

Description

Drive shaft with high load and high impact performance

Technical Field

The invention relates to the technical field of driving shafts, in particular to a driving shaft with high load and high impact performance.

Background

The vibrating screen operates by utilizing the reciprocating rotary type vibration generated by the vibration of the vibrator. The upper rotary heavy hammer of the vibrator makes the screen surface generate plane rotary vibration, the lower rotary heavy hammer makes the screen surface generate conical surface rotary vibration, and the combined effect of the two rotary heavy hammers makes the screen surface generate re-rotary vibration. The vibration locus is a complex space curve. The curve is projected as a circle in the horizontal plane and as an ellipse in the vertical plane. The amplitude can be changed by adjusting the exciting force of the upper and lower rotary weights. And the curve shape of the motion trail of the screen surface can be changed and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers.

The shale shaker relies on inside drive shaft and eccentric wheel to produce exciting force, and among the drive shaft structure of shale shaker, long-time vibration, rotation make load, vibration between its drive journal and the bearing strike and the friction obviously increase, and among the current shale shaker drive shaft structure, rely on daily maintenance to add lubricating oil, particle etc. that the friction of drive journal produced can't discharge always and cause the friction aggravation, influence the life of shale shaker drive shaft structure.

In view of the above, the present invention provides a driving shaft with high load and high impact performance to solve the above technical problems in the prior art.

Disclosure of Invention

In view of the technical problems of the background art, the present invention provides a drive shaft having high load and high impact performance.

The invention provides a driving shaft with high load and high impact performance, which comprises a connecting shaft rod and two transmission shaft rods, wherein a universal connector is arranged between the end part of the connecting shaft rod and the end parts of the two transmission shaft rods, a shaft sleeve fixing part is arranged on the outer side of each transmission shaft rod, the shaft sleeve fixing part consists of an outer shaft sleeve support and an inner shaft sleeve support, a sealing bearing sleeve is arranged between the outer shaft sleeve support and the inner shaft sleeve support, an oil inlet hole is arranged above the side surface of the inner shaft sleeve support, an oil outlet hole is arranged at the bottom of the side surface of the outer shaft sleeve support, an eccentric wheel support is fixedly arranged on the outer side of each transmission shaft rod, an eccentric wheel counterweight plate with a sector structure is arranged on the side surface of the eccentric wheel support, an adjusting support assembly is arranged on the outer side of the eccentric wheel support, a movable seat assembly capable of lifting and moving is arranged in the adjusting support assembly, and a rotary linkage assembly is rotatably arranged in the movable seat assembly, and the side-mounting of sliding seat subassembly has the fluid infusion pump, and the business turn over mouth of fluid infusion pump installs the benefit oil pipe, and the inlet port is connected with the benefit oil pipe of fluid infusion pump exit end, and the oil tank is installed to the benefit oil pipe other end of fluid infusion pump entrance point, and the side of oil tank is provided with the oil tank support, install back oil pipe between the one end of oil tank and the oil drain hole.

Preferably, the eccentric wheel bracket comprises a shaft fixing sleeve and an eccentric wheel mounting ring, a plurality of bracket rods are arranged between the shaft fixing sleeve and the eccentric wheel mounting ring, and a plurality of positioning grooves are formed in the outer side of the eccentric wheel mounting ring.

In the invention, preferably, the adjusting bracket assembly comprises a fixing plate and an adjusting bracket with a door-shaped structure which are connected with each other, the top of the adjusting bracket is in threaded connection with two adjusting screws, the outer sides of the adjusting screws are in threaded connection with fastening nuts, and the bottoms of the adjusting screws are in rotary connection with the movable seat assembly.

In the present invention, preferably, the movable seat assembly includes a bracket having an arc-shaped structure, and protective covers having a fan-shaped structure are mounted on both sides of the bracket, and a pump protective cover is mounted on an outer side of one of the protective covers.

Preferably, the two ends of the bracket are both provided with limiting sliding blocks, the inner walls of the two sides of the adjusting bracket are both provided with strip-shaped sliding grooves, and the limiting sliding blocks are in sliding connection with the strip-shaped sliding grooves.

Preferably, the rotary linkage assembly comprises a linkage shaft, a wind shield is arranged on the outer side of the linkage shaft, a flywheel is arranged at one end of the linkage shaft, and the other end of the linkage shaft is in transmission connection with the fluid infusion pump.

In the present invention, preferably, a plurality of bar-shaped holes are provided on an outer side of the flywheel.

In the present invention, preferably, a driving disk is installed at an outer end of one of the driving shafts, and a plurality of linkage belts distributed annularly are disposed outside the driving disk.

In the present invention, preferably, a filter is disposed inside the oil tank, and a vacuum tube is disposed outside the oil tank.

Compared with the prior art, the driving shaft with high load and high impact performance has the following beneficial effects:

the invention is provided with a liquid supplementing pump, an oil circuit circulation is formed by the liquid supplementing pump, an oil supplementing pipe, an oil return pipe and an oil tank, when the vibrating screen runs, the eccentric wheel bracket and the eccentric wheel counterweight plate rotate to generate vibration, the eccentric wheel counterweight plate generates wind power to drive the rotating linkage assembly in the movable seat assembly to rotate when rotating, the rotary linkage assembly drives the liquid replenishing pump to work to convey the lubricating oil in the oil tank to the sealed bearing sleeve, the lubricating oil enters from the upper part and is discharged from the lower part, the entered lubricating oil is evenly thrown out by the rotating part in the sealed bearing sleeve to fully lubricate the outer side of the transmission shaft lever, and the supporting part can be washed, the flow from top to bottom washes the particle impurities generated by friction into the oil tank, the protection effect on the transmission shaft lever and the sealing bearing sleeve is improved, and the load and the impact resistance effect of the driving shaft structure are improved.

Drawings

FIG. 1 is a schematic structural view of a high load, high impact drive shaft according to the present invention;

FIG. 2 is a side view of the outer hub carrier of the high load, high impact drive shaft of the present invention;

FIG. 3 is a schematic view of an adjuster bracket assembly for a high load, high impact drive shaft according to the present invention;

FIG. 4 is a schematic structural view of a movable seat assembly of a high-load, high-impact drive shaft according to the present invention;

FIG. 5 is a schematic side view of a movable seat assembly of a high-load high-impact driving shaft according to the present invention;

fig. 6 is a schematic view of the eccentric wheel bracket structure of the driving shaft with high load and high impact performance according to the present invention.

In the figure: 1. an inner sleeve support; 2. eccentric wheel counterweight sheets; 3. connecting the shaft lever; 4. a universal connector; 5. a drive shaft; 6. supplementing an oil pipe; 7. an oil tank; 8. an oil tank support; 9. an adjusting bracket assembly; 901. a fixing plate; 902. adjusting the bracket; 903. a strip-shaped chute; 904. adjusting the screw rod; 905. fastening a nut; 10. a movable seat assembly; 1001. a bracket; 1002. a protective cover; 1003. a limiting slide block; 1004. a pump protection cover; 11. a rotary linkage assembly; 1101. a wind deflector; 1102. a flywheel; 1103. a strip-shaped hole; 12. an eccentric wheel bracket; 1201. an eccentric wheel mounting ring; 1202. a shaft fixing sleeve; 1203. a support rod; 1204. positioning a groove; 13. a liquid replenishing pump; 14. an outer sleeve support; 15. a drive disc; 16. a linkage belt; 17. sealing the bearing sleeve; 18. an oil return pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, a driving shaft with high load and high impact performance comprises a connecting shaft rod 3 and two transmission shaft rods 5, a universal connector 4 is arranged between the end of the connecting shaft rod 3 and the end of the two transmission shaft rods 5, a shaft sleeve fixing part is arranged on the outer side of the transmission shaft rods 5 and consists of an outer shaft sleeve support 14 and an inner shaft sleeve support 1, a sealing bearing sleeve 17 is arranged between the outer shaft sleeve support 14 and the inner shaft sleeve support 1, an oil inlet hole is arranged above the side surface of the inner shaft sleeve support 1, an oil outlet hole is arranged at the bottom of the side surface of the outer shaft sleeve support 14, an eccentric wheel support 12 is fixedly arranged on the outer side of the transmission shaft rods 5, an eccentric wheel counterweight plate 2 with a sector structure is arranged on the side surface of the eccentric wheel support 12, an adjusting support assembly 9 is arranged on the outer side of the eccentric wheel support 12, and a movable seat assembly 10 capable of lifting and moving is arranged inside the adjusting support assembly 9, the rotary linkage assembly 11 is rotatably arranged inside the movable seat assembly 10, the fluid infusion pump 13 is arranged on the side face of the movable seat assembly 10, the fluid infusion pipe 6 is arranged at the inlet and outlet end of the fluid infusion pump 13, the oil inlet hole is connected with the fluid infusion pipe 6 at the outlet end of the fluid infusion pump 13, the oil tank 7 is arranged at the other end of the fluid infusion pipe 6 at the inlet end of the fluid infusion pump 13, the oil tank support 8 is arranged on the side face of the oil tank 7, the oil return pipe 18 is arranged between one end of the oil tank 7 and the oil discharge hole, the fluid infusion pump 13 is arranged in the vibrating screen, the fluid infusion pump 13, the fluid infusion pipe 6, the oil return pipe 18 and the oil tank 7 form oil circuit circulation, when the vibrating screen runs, the eccentric wheel support 12 and the eccentric wheel counterweight plate 2 rotate to generate vibration, the eccentric wheel counterweight plate 2 generates wind power to drive the rotary linkage assembly 11 inside the movable seat assembly 10 to rotate, the rotary linkage assembly 11 drives the fluid infusion pump 13 to work through the rotary linkage assembly 11 to convey the lubricating oil in the oil tank 7 to the seal bearing sleeve 17, lubricating oil gets into the below from the top and discharges, with the help of the rotary part in the sealed bearing cover 17, will get into the even lubricating oil of throwing away fully lubricate the transmission axostylus axostyle 5 outside, and can wash away its supporting part, from the top down flow with the particle impurity that the friction produced wash away to the oil tank 7 in, improve the protection effect to transmission axostylus axostyle 5, sealed bearing cover 17 position, improve the load and the shock resistance effect of drive shaft structure.

As a further scheme of the present invention, the eccentric wheel bracket 12 includes a shaft fixing sleeve 1202 and an eccentric wheel mounting ring 1201, and a plurality of bracket rods 1203 are installed between the shaft fixing sleeve 1202 and the eccentric wheel mounting ring 1201, and a plurality of positioning grooves 1204 are disposed on the outer side of the eccentric wheel mounting ring 1201, and when the eccentric weight plate 2 is installed, a plurality of protrusions adapted to the positioning grooves 1204 are disposed on the outer side of the eccentric wheel mounting ring, so as to improve the stability of the eccentric weight plate 2 after installation, and secondly, when the protrusion on the outer side of the eccentric weight plate 2 rotates, the impact effect on the rotating linkage assembly 11 can be increased, and the stability of the lubricating oil delivery can be improved.

As a further scheme of the present invention, the adjusting bracket assembly 9 includes a fixing plate 901 and an adjusting bracket 902 of a gate structure, which are connected to each other, the top of the adjusting bracket 902 is screwed with two adjusting screws 904, the outer side of the adjusting screws 904 is screwed with a fastening nut 905, the bottom of the adjusting screws 904 is rotatably connected with the movable seat assembly 10, and after the adjusting bracket assembly 9 is installed, the movable seat assembly 10 can be adjusted to lift through the setting of the adjusting screws 904, so that the rotating linkage assembly 11 is close to the linkage area or separated from the linkage area of the eccentric wheel weight plate 2.

As a further scheme of the present invention, the movable seat assembly 10 includes a bracket 1001 having an arc structure, and protective covers 1002 having a fan-shaped structure are respectively installed on two sides of the bracket 1001, and a pump protective cover 1004 is installed on an outer side of one of the protective covers 1002, so that wind generated by the movement of the eccentric wheel weight plate 2 can be concentrated by the arrangement of the protective covers 1002, the movement stability of the rotary linkage assembly 11 is improved, the rotary linkage assembly 11 is protected from external influences, and the service life of the rotary linkage assembly 11 is prolonged.

As a further scheme of the present invention, both ends of the bracket 1001 are provided with the limiting sliders 1003, and both inner walls of both sides of the adjusting bracket 902 are provided with the bar-shaped sliding grooves 903, the limiting sliders 1003 are slidably connected to the bar-shaped sliding grooves 903, when the movable seat assembly 10 is adjusted up and down, both ends of the movable seat assembly 10 depend on the cooperation between the limiting sliders 1003 and the bar-shaped sliding grooves 903, so as to improve the anti-vibration effect of the movable seat assembly 10, improve the stability of the rotation of the rotary linkage assembly 11, and ensure the stability of the flow rate of the lubricating oil.

As a further scheme of the present invention, the rotary linkage assembly 11 includes a linkage shaft, a wind shield 1101 is installed on an outer side of the linkage shaft, a flywheel 1102 is installed at one end of the linkage shaft, the other end of the linkage shaft is in transmission connection with the fluid infusion pump 13, the wind shield 1101 is influenced by wind power excited by the motion of the eccentric wheel weight plate 2 to drive the linkage shaft to rotate, and further drive the fluid infusion pump 13 to operate, wherein the setting of the flywheel 1102 enhances the motion effect of the rotary linkage assembly 11, and when the linkage shaft rotates, the influence of vibration on the linkage shaft is reduced by the weight of the flywheel 1102, so that the stability of the operation of the fluid infusion pump 13 is improved.

As a further scheme of the present invention, a plurality of strip-shaped holes 1103 are disposed on the outer side of the flywheel 1102, and when the device is in operation, the flywheel can be inserted into the strip-shaped holes 1103 through screws or the like, so that the flywheel can be fixed on the side surface of the movable seat assembly 10, thereby preventing the rotation linkage assembly 11 from moving when the device is in operation, and improving the convenience of maintenance.

As a further scheme of the present invention, a driving disk 15 is installed at the outer end of one of the transmission shaft levers 5, and a plurality of linkage belts 16 distributed annularly are arranged outside the driving disk 15, so that the linkage belts 16 and the driving disk 15 form a flexible coupling structure.

As a further scheme of the present invention, a filter is disposed inside the oil tank 7, and a vacuum pump is disposed outside the oil tank 7, after the oil tank 7 is filled with lubricating oil, the oil tank 7 is vacuumized by the vacuum pump after the lubricating oil fills the entire circulation system, so as to effectively reduce bubbles generated during the circulation of the lubricating oil, filter impurities generated by the flushing of the lubricating oil by the filter, enhance the lubrication between the drive journal and the bearing, and improve the protection effect on the drive shaft.

When the vibrating screen is used, an oil circuit circulation is formed by the liquid supplementing pump 13, the oil supplementing pipe 6, the oil return pipe 18 and the oil tank 7, when the vibrating screen runs, the eccentric wheel support 12 and the eccentric wheel counterweight plate 2 rotate to generate vibration, the eccentric wheel counterweight plate 2 generates wind power to drive the rotating linkage assembly 11 inside the movable seat assembly 10 to rotate when rotating, the rotating linkage assembly 11 drives the liquid supplementing pump 13 to work to convey lubricating oil in the oil tank 7 to the sealed bearing sleeve 17, the lubricating oil enters the lower part from the upper part and is discharged, the entering lubricating oil is uniformly thrown out by virtue of a rotating part in the sealed bearing sleeve 17 to fully lubricate the outer side of the transmission shaft lever 5, the supporting part of the transmission shaft lever can be flushed, particle impurities generated by friction are flushed into the oil tank 7 by flowing from the upper part to the lower part, and the protection effect on the shaft lever 5 and the sealed bearing sleeve 17 is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The driving shaft with high load and high impact performance comprises a connecting shaft rod (3) and two transmission shaft rods (5), wherein a universal connector (4) is arranged between the end part of the connecting shaft rod (3) and the end parts of the two transmission shaft rods (5), a shaft sleeve fixing part is arranged on the outer side of each transmission shaft rod (5), and the shaft sleeve fixing part consists of an outer shaft sleeve support (14) and an inner shaft sleeve support (1), and is characterized in that a sealing bearing sleeve (17) is arranged between the outer shaft sleeve support (14) and the inner shaft sleeve support (1), an oil inlet hole is arranged above the side surface of the inner shaft sleeve support (1), an oil outlet hole is arranged at the bottom of the side surface of the outer shaft sleeve support (14), an eccentric wheel support (12) is fixedly arranged on the outer side of the transmission shaft rod (5), and a counterweight plate (2) with a sector structure is arranged on the side surface of the eccentric wheel support (12), the outside of eccentric wheel support (12) is provided with regulation bracket subassembly (9), and the internally mounted of regulation bracket subassembly (9) has movable seat subassembly (10) of liftable activity, rotatory linkage subassembly (11) are installed to the internal rotation of movable seat subassembly (10), and the side-mounting of movable seat subassembly (10) has fluid infusion pump (13), and the business turn over end of fluid infusion pump (13) installs oil compensating pipe (6), and oil inlet and fluid infusion pump (13) exit end oil compensating pipe (6) are connected, and oil tank (7) are installed to oil compensating pipe (6) the other end of fluid infusion pump (13) entrance end, and the side of oil tank (7) is provided with oil tank support (8), install oil return pipe (18) between the one end of oil tank (7) and the oil drain hole.

2. The high load, high impact drive shaft according to claim 1, wherein said eccentric bracket (12) comprises a shaft retainer (1202) and an eccentric mounting ring (1201), and a plurality of bracket rods (1203) are mounted between the shaft retainer (1202) and the eccentric mounting ring (1201), and a plurality of positioning grooves (1204) are provided on the outside of said eccentric mounting ring (1201).

3. The drive shaft with high load and high impact performance according to claim 1, wherein the adjusting bracket assembly (9) comprises a fixing plate (901) and an adjusting bracket (902) with a door-shaped structure which are connected with each other, the top of the adjusting bracket (902) is screwed with two adjusting screws (904), the outer side of the adjusting screws (904) is screwed with a fastening nut (905), and the bottom of the adjusting screws (904) is rotatably connected with the movable seat assembly (10).

4. A high-load, high-impact drive shaft according to claim 3, wherein said movable seat assembly (10) comprises a bracket (1001) with an arc-like structure, and protective covers (1002) with a fan-shaped structure are mounted on both sides of the bracket (1001), and a pump protective cover (1004) is mounted on the outer side of one of the protective covers (1002).

5. The high-load high-impact drive shaft according to claim 4, wherein the two ends of the bracket (1001) are provided with limiting sliding blocks (1003), the inner walls of the two sides of the adjusting bracket (902) are provided with strip-shaped sliding grooves (903), and the limiting sliding blocks (1003) are connected with the strip-shaped sliding grooves (903) in a sliding manner.

6. The high-load high-impact driving shaft according to claim 1, wherein the rotary linkage assembly (11) comprises a linkage shaft, a wind shield (1101) is installed on the outer side of the linkage shaft, a flywheel (1102) is installed at one end of the linkage shaft, and the other end of the linkage shaft is in transmission connection with a fluid infusion pump (13).

7. The high load, high impact capable driveshaft according to claim 6, characterized in that the outside of said flywheel (1102) is provided with a plurality of bar holes (1103).

8. A high load, high impact performance drive shaft according to claim 1, characterized in that a drive plate (15) is mounted at the outer end of one of said transmission shafts (5), and a plurality of linkage belts (16) are arranged in an annular distribution outside the drive plate (15).

9. A drive shaft with high load and high impact performance according to claim 1, characterized in that the inside of the oil tank (7) is provided with a filter and the outside of the oil tank (7) is provided with a vacuum tube.