CN212899439U - Dual-sealing type agricultural machinery transmission shaft universal joint assembly - Google Patents

Abstract

The utility model discloses a double-sealing type agricultural machinery transmission shaft universal joint assembly, which comprises a telescopic sleeve and a universal joint, wherein the universal joint is rotatably arranged at two sides of the telescopic sleeve, a protective sleeve is arranged at the rotary joint of the telescopic sleeve and the universal joint, and a fixed box is fixedly communicated with the top of the protective sleeve, the double-sealing type agricultural machinery transmission shaft universal joint assembly moves a pull button to enable the pull button to slide in a reciprocating manner in a pull box to drive a pull rod and a stress rod to rotate, the pull rod and the stress rod can automatically return without being subjected to the external force of a steel wire rope by matching with the use of a torsion spring, so that the transmission rod enters the fixed box at a constant speed, the transmission rod stably pushes a calcium-based lubricating grease cylinder at a constant speed, calcium-based lubricating grease in the calcium-based lubricating grease cylinder lubricates the universal joint, and the device lubricates the universal joint in a sealing state, thereby avoiding damaging the whole sealing performance when the lubrication is carried out.

Description

Dual-sealing type agricultural machinery transmission shaft universal joint assembly

Technical Field

The utility model relates to a transmission shaft technical field specifically is a dual canned type agricultural machinery transmission shaft universal joint assembly.

Background

The transmission shaft is a rotating body with high rotating speed and few supports, so the dynamic balance of the transmission shaft is very important, and the transmission shaft is subjected to dynamic balance test before leaving a factory and is adjusted on a balancing machine. In the case of a front engine rear wheel drive vehicle, the transmission is arranged to transmit the rotation of the transmission to the shaft of the final drive, and the transmission can be provided with a plurality of joints, and the joints can be connected through universal joints.

When a transmission shaft works, the universal joint needs to be lubricated when rotating due to the fact that the universal joint is arranged between universal joint connecting joints, and therefore working rotation of the transmission shaft is promoted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical transmission's mode carries out spraying calcium base lubricating grease to the universal joint position and carries out lubricated dual canned type agricultural machinery transmission shaft universal joint assembly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dual canned type agricultural machinery transmission shaft universal joint assembly includes flexible cover and universal joint, the both sides of flexible cover are rotated and are installed the universal joint, flexible cover and universal joint rotate the junction and install the protective sheath, and the fixed intercommunication in top of protective sheath has fixed box, the closing mechanism who is convenient for open and shut is installed at the top of fixed box, the inside fixed mounting of fixed box has the rack, and the inside of rack has placed a calcium-based lubricating grease section of thick bamboo, one side fixed mounting of rack has the connection mouth, the protective sheath is located the universal joint directly over fixed mounting have a glib, and the intercommunication has the pipeline between connection mouth and the glib, one side fixed mounting of fixed box has carries out the extruded mechanism of extrusion to a calcium-based lubricating grease section of thick bamboo.

Preferably, extrusion mechanism includes extrusion piece, transfer line, fixture block, fixed column, atress pole, tension bar, torque spring and actuating mechanism, one side slip joint of fixed box has the transfer line, and the transfer line passes fixed box and rotates and be connected with the extrusion piece, the extrusion piece contacts with the extrusion of calcium base lubricating grease section of thick bamboo, fixed box is located the top fixed mounting of transfer line and has the fixed column, and one side rotation of fixed column is connected with the atress pole, the bottom of atress pole is rotated and is connected with the fixture block, and fixture block and transfer line slip joint, atress pole and fixed column axis of rotation fixed mounting have the tension bar, torsion spring is all installed with fixture block and atress pole and the rotation of tension bar junction, actuating mechanism is installed to one side of fixed box.

Preferably, actuating mechanism includes wire rope, rubber sleeve, fixed block, pulling force box and draws the button, one side fixed mounting of fixed box has the pulling force box, and the inside sliding connection of pulling force box has the button of drawing, one side symmetry fixed mounting of fixed box has the fixed block, and the inside fixed mounting of fixed block has the rubber sleeve, the top of tension bar is connected with wire rope, and wire rope passes the inside of rubber sleeve and draw the button to be connected.

Preferably, the fixture block is in a shape of a quarter sector, the transmission rod is provided with a corresponding groove, and the fixture block is clamped with the transmission rod through the groove.

Preferably, the connection part of the protective sleeve, the telescopic sleeve and the universal joint is in a folding corrugated design.

Preferably, the closing mechanism comprises a turnover plate, a conical groove and a clamping plate, wherein the turnover plate is rotatably connected to one side of the fixed box, the clamping plate is rotatably connected to one end of the fixed box, the conical groove is formed in the inner side of the turnover plate, and the clamping plate is movably clamped with the conical groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a remove and draw the button messenger to draw the button in the box reciprocating sliding of pulling force, thereby drive pull rod and stress rod and rotate, cooperation torque spring's use, make pull rod and stress rod under the external force that does not receive wire rope, self return can be carried out, thereby promote the joint of transfer line and fixture block, thereby make the inside that enters into fixed box at the transfer line at the uniform velocity, thereby make the stable at the uniform velocity promotion calcium base grease section of thick bamboo of transfer line, thereby make the inside calcium base lubricating grease of calcium base grease section of thick bamboo pass through the pipeline through the connection mouth and discharge by oil outlet, thereby lubricate the universal joint, the device lubricates the universal joint under sealed state, thereby avoid when lubricating, destroy holistic leakproofness.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the extruding mechanism of the present invention;

FIG. 3 is a schematic view of the local enlarged structure of the extruding mechanism of the present invention;

FIG. 4 is a schematic view of the driving mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the fixture block of the present invention;

fig. 6 is a schematic structural view of the closing mechanism of the present invention.

In the figure: 1. a telescopic sleeve; 2. a universal joint; 3. a protective sleeve; 4. a fixing box; 5. a closing mechanism; 6. placing a rack; 7. a calcium-based grease cartridge; 8. a connecting nozzle; 9. an oil outlet nozzle; 10. a pipeline; 11. an extrusion mechanism; 12. extruding the block; 13. a transmission rod; 14. a clamping block; 15. fixing a column; 16. a stress beam; 17. a tension bar; 18. a torsion spring; 19. a drive mechanism; 20. a wire rope; 21. a rubber sleeve; 22. a fixed block; 23. a tension box; 24. pulling the button; 25. a groove; 26. a turnover plate; 27. a conical groove; 28. and (4) clamping the board.

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, the double-sealing type universal joint assembly for the transmission shaft of the agricultural machine in the figure comprises a telescopic sleeve 1 and universal joints 2, wherein the universal joints 2 are rotatably mounted on two sides of the telescopic sleeve 1.

Please refer to fig. 1, fig. 2 and fig. 3, the rotating joint of the telescopic sleeve 1 and the universal joint 2 is provided with a protective sleeve 3, the top of the protective sleeve 3 is fixedly communicated with a fixed box 4, the top of the fixed box 4 is provided with a closing mechanism 5 which is convenient for opening and closing, the fixed box 4 is fixedly provided with a placing frame 6 inside, a calcium-based lubricating grease cylinder 7 is placed inside the placing frame 6, one side of the placing frame 6 is fixedly provided with a connecting nozzle 8, the protective sleeve 3 is positioned over the universal joint 2 and is fixedly provided with an oil nozzle 9, a pipeline 10 is communicated between the connecting nozzle 8 and the oil nozzle 9, and one side of the fixed box 4 is fixedly provided with an extruding mechanism 11 which extrudes the calcium-based lubricating grease cylinder 7.

Referring to fig. 2 and 3, the extrusion mechanism 11 includes an extrusion block 12, a transmission rod 13, a fixture block 14, a fixed column 15, a stressed rod 16, a tension rod 17, a torsion spring 18 and a driving mechanism 19, the transmission rod 13 is slidably clamped at one side of the fixed box 4, the transmission rod 13 penetrates through the fixed box 4 and is rotatably connected with the extrusion block 12, the extrusion block 12 is in extrusion contact with the calcium-based lubricating grease cartridge 7, the fixed box 4 is fixedly provided with the fixed column 15 above the transmission rod 13, one side of the fixed column 15 is rotatably connected with the stressed rod 16, the bottom of the stressed rod 16 is rotatably connected with the fixture block 14, the fixture block 14 is slidably clamped with the transmission rod 13, the tension rod 17 is fixedly provided at the rotating shaft of the stressed rod 16 and the fixed column 15, the torsion spring 18 is provided at the rotating connection positions of the stressed rod 16 and the fixture block 14 and the stressed rod 16 and the tension rod 17, the driving mechanism 19 is provided at one side of the, the calcium-based grease in the calcium-based grease cartridge 7 is uniformly extruded by using the extruding mechanism 11.

Referring to fig. 4, the driving mechanism 19 includes a steel wire rope 20, a rubber sleeve 21, a fixing block 22, a tension box 23 and a pull button 24, the tension box 23 is fixedly installed at one side of the fixing box 4, the pull button 24 is slidably connected inside the tension box 23, the fixing blocks 22 are symmetrically and fixedly installed at one side of the fixing box 4, the rubber sleeve 21 is fixedly installed inside the fixing block 22, the steel wire rope 20 is connected to the top of the tension rod 17, the steel wire rope 20 penetrates through the inside of the rubber sleeve 21 to be connected with the pull button 24, and the steel wire rope 20 pulls the tension rod 17 by pulling the pull button 24, so that the calcium-based grease inside the calcium-based grease cartridge 7 is extruded.

Referring to fig. 5, the latch 14 is a quarter-sector, and the transmission rod 13 is provided with a corresponding groove 25, and the latch 14 is engaged with the transmission rod 13 through the groove 25, so as to facilitate the engagement and the pushing of the transmission rod 13.

Referring to fig. 1, the connection between the protective sleeve 3 and the telescopic sleeve 1 and the universal joint 2 is foldable and corrugated, so that the universal joint 2 can rotate conveniently.

Referring to fig. 6, the closing mechanism 5 includes a turning plate 26, a conical groove 27 and a clamping plate 28, the turning plate 26 is rotatably connected to one side of the fixed box 4, the clamping plate 28 is rotatably connected to one end of the fixed box 4, the conical groove 27 is formed in the inner side of the turning plate 26, the clamping plate 28 is movably clamped with the conical groove 27, and the calcium-based lubricating grease cartridge 7 inside the fixed box 4 is replaced through the closing mechanism 5 which can be opened and closed.

In the scheme, when the calcium-based lubricating grease cylinder 7 needs to be replaced, the fixed box 4 is vertically upwards, the turnover plate 26 is pressed, the conical groove 27 and the clamping plate 28 are separated from being clamped, the turnover plate 26 is opened, the inside of the fixed box 4 is shown, the calcium-based lubricating grease cylinder 7 is replaced, the transmission rod 13 is rotated, the groove 25 on the transmission rod 13 is opposite to the clamping block 14, the transmission rod 13 is further stretched, the transmission rod 13 is pulled out of the inside of the fixed box 4, the opening of the calcium-based lubricating grease cylinder 7 is cut, a new calcium-based lubricating grease cylinder 7 is placed in the placing frame 6, the transmission rod 13 is pushed to extrude the inside of the calcium-based lubricating grease cylinder 7, the transmission rod 13 is turned over again, the groove 25 and the clamping block 14 are continuously clamped, when the calcium-based lubricating grease cylinder 7 needs to be extruded, the pull button 24 slides in the inside of the pulling box 23 in a reciprocating manner, so that the steel wire rope 20 pulls the pull rod 17 back and forth to drive the stress rod 16 to rotate, thereby, the transmission rod 13 extrudes the calcium-based grease cartridge 7, and the calcium-based grease inside the calcium-based grease cartridge 7 lubricates the universal joint 2.

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.

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 (6)

1. The utility model provides a dual canned type agricultural machinery transmission shaft universal joint assembly, includes telescope tube (1) and universal joint (2), its characterized in that are installed in the both sides rotation of telescope tube (1): the utility model discloses a lubricating grease cartridge, including telescopic sleeve (1) and universal joint (2), the top of protective sheath (3) is fixed to be communicated and is had fixed box (4), closing mechanism (5) convenient to open and shut are installed at the top of fixed box (4), the inside fixed mounting of fixed box (4) has rack (6), and the inside of rack (6) has placed calcium-based lubricating grease cartridge (7), one side fixed mounting of rack (6) has connecting nozzle (8), fixed mounting has oil outlet nozzle (9) directly over protective sheath (3) is located universal joint (2), and the intercommunication has pipeline (10) between connecting nozzle (8) and oil outlet nozzle (9), one side fixed mounting of fixed box (4) has carries out extruded extrusion mechanism (11) to calcium-based lubricating grease cartridge (7).

2. The double seal type agricultural machine driveshaft universal joint assembly of claim 1, wherein: the extrusion mechanism (11) comprises an extrusion block (12), a transmission rod (13), a clamping block (14), a fixed column (15), a stress rod (16), a tension rod (17), a torsion spring (18) and a driving mechanism (19), the transmission rod (13) is slidably clamped on one side of the fixed box (4), the transmission rod (13) penetrates through the fixed box (4) to be rotatably connected with the extrusion block (12), the extrusion block (12) is in extrusion contact with the calcium-based lubricating grease cylinder (7), the fixed box (4) is fixedly provided with the fixed column (15) above the transmission rod (13), one side of the fixed column (15) is rotatably connected with the stress rod (16), the bottom of the stress rod (16) is rotatably connected with the clamping block (14), the rotating shaft of the clamping block (14) is slidably clamped with the transmission rod (13), the tension rod (17) is fixedly arranged on the stress rod (16) and the fixed column (15), torsion springs (18) are installed at the rotating connection positions of the stress rod (16) and the clamping block (14) and the stress rod (16) and the tension rod (17), and a driving mechanism (19) is installed on one side of the fixed box (4).

3. The double seal type agricultural machine driveshaft universal joint assembly of claim 2, wherein: actuating mechanism (19) include wire rope (20), rubber sleeve (21), fixed block (22), pulling force box (23) and draw button (24), one side fixed mounting of fixed box (4) has pulling force box (23), and pulling force box (23) inside sliding connection has and draws button (24), one side symmetry fixed mounting of fixed box (4) has fixed block (22), and fixed block (22) inside fixed mounting has rubber sleeve (21), the top of pulling force pole (17) is connected with wire rope (20), and wire rope (20) pass the inside of rubber sleeve (21) and be connected with drawing button (24).

4. The double seal type agricultural machine driveshaft universal joint assembly of claim 2, wherein: the fixture block (14) is in a quarter-sector shape, a corresponding groove (25) is formed in the transmission rod (13), and the fixture block (14) is clamped with the transmission rod (13) through the groove (25).

5. The double seal type agricultural machine driveshaft universal joint assembly of claim 1, wherein: the protective sleeve (3) is in a folding corrugated design with the joint of the telescopic sleeve (1) and the universal joint (2).

6. The double seal type agricultural machine driveshaft universal joint assembly of claim 1, wherein: closing mechanism (5) are including returning face plate (26), taper groove (27) and cardboard (28), one side of fixed box (4) is rotated and is connected with returning face plate (26), and the one end of fixed box (4) is rotated and is connected with cardboard (28), taper groove (27) have been seted up to the inboard of returning face plate (26), and cardboard (28) and taper groove (27) activity joint.

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