CN217898704U

CN217898704U - Transmission gear of excavator

Info

Publication number: CN217898704U
Application number: CN202222321655.1U
Authority: CN
Inventors: 刘腾腾; 曾少杰; 陈三元
Original assignee: Longyan Lingsheng Machinery Co ltd
Current assignee: Longyan Lingsheng Machinery Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-25
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a drive gear of excavator, including the gear body, this internal lubricating mechanism and the fixture of being equipped with of gear, fixture include first cavity, and this is internal that the gear is seted up in first cavity, and the first cavity internal rotation is connected with the lead screw, and threaded connection has square pole on the lead screw, and spacing through-hole has been seted up to the inner wall of first cavity, square pole and spacing through-hole sliding connection, and the one end of square pole is equipped with splint. The utility model discloses a be provided with lubricated mechanism, when the gear body uses, play the automatic mesh of lubricating to the gear body, the utility model discloses a be provided with fixture, play the purpose of adjusting gear body internal diameter, do benefit to the installation of gear body, reach the purpose that improves gear body practicality.

Description

Transmission gear of excavator

Technical Field

The utility model relates to the technical field of gears, specifically be a drive gear of excavator.

Background

The gear is a mechanical element with teeth on the wheel rim capable of continuously meshing to transmit motion and power, and is a toothed mechanical part capable of meshing with each other, and the diameter of the large gear is one time that of the small gear.

An authorization publication number of CN213039774U discloses a transmission gear of a wheel excavator, the transmission gear is of an integrated structure, and the transmission gear comprises: a bull gear, a pinion, a shaft sleeve; the pinion is correspondingly engaged with a power output shaft of the excavator; a shaft through hole is formed in the center of the shaft sleeve; the outer wall of the shaft sleeve is connected with a large gear and a small gear; the space between the big gear and the small gear is 1-3cm; the outer edge of the big gear is provided with gear teeth and tooth grooves; the pinion is provided with a conical gear tooth and a conical tooth groove with the conicity of 2-4 degrees; the involute direction of the conical gear teeth faces the large gear; the bottom surface of the conical tooth socket is integrally in a slope shape, the vertical height difference is 2-6mm, and the high point is positioned on one side close to the big gear; the utility model provides a drive gear of wheeled excavator, with the toper teeth of a cogwheel and the toper tooth's socket of pinion, the slope form is personally submitted to toper tooth's socket simultaneously, can make can be more smooth and easy with excavator power shaft meshing butt joint, compare in traditional rectangle teeth of a cogwheel, can also reduce some wearing and tearing volume.

However, the scheme still has the defects that the aperture of the transmission gear of the wheel type excavator cannot be changed, the transmission gear can only be installed on a shaft lever with one size, the practicability is poor, and when the transmission gear is used, lubricating oil is usually used for lubricating the transmission gear, but the lubricating oil needs to be regularly applied, time and labor are wasted, and therefore the transmission gear of the excavator is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive gear of excavator to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drive gear of excavator, includes the gear body, this internal lubricating mechanism and fixture of being equipped with of gear, through being provided with lubricating mechanism, when the gear body uses, play the automatic mesh of lubricating to the gear body, through being provided with fixture, play the mesh of adjusting gear body internal diameter, do benefit to the installation of gear body, reach the mesh that improves gear body practicality, fixture includes first cavity, and the shape of first cavity is the annular, first cavity is seted up in the gear body, the first cavity internal rotation is connected with the lead screw, through being provided with the lead screw, is convenient for drive square pole and carry out the straight line slip along spacing through-hole, threaded connection has square pole on the lead screw, spacing through-hole has been seted up to the inner wall of first cavity, and spacing through-hole communicates the inner wall of gear body, square pole and spacing through-hole sliding connection, the one end of square pole is equipped with splint, and the number of splint is four, and the shape is the arc.

Preferably, a toothed ring is rotatably connected in the first cavity.

Preferably, be equipped with the motor in the first cavity, the motor has just reversing function, the pivot end of motor is equipped with first gear, first gear meshes with the ring gear mutually, through being provided with first gear, at the motor during operation, plays and drives ring gear pivoted purpose.

Preferably, the number of the screw rods is four, the four screw rods are all provided with second gears, the second gears are meshed with the gear ring, and the purpose of driving the screw rods to rotate is achieved when the gear ring rotates.

Preferably, the lubricating mechanism comprises a second cavity, the second cavity is annular, the second cavity is arranged in the gear body, the gear body is provided with an injection hole, the injection hole is communicated with the second cavity, the injection hole is provided with a cap, and lubricating oil can be conveniently injected into the second cavity by the aid of the injection hole.

Preferably, be equipped with sponge and cylinder case in the second cavity, through being provided with the sponge, be convenient for absorb and store lubricating oil, the cylinder incasement slides and is provided with the baffle, and the setting of baffle cooperates the spring, plays the purpose of plugging up the extrusion piece through hole, prevents that lubricating oil from flowing out, be equipped with the extrusion piece on the baffle, through being provided with the extrusion piece, at gear body during operation, will extrude the extrusion piece with gear body meshing's gear, reach the purpose that drives the baffle and remove, do benefit to and open the discharge orifice, set up the discharge orifice on the gear body, discharge orifice intercommunication second cavity, the extrusion piece is in the discharge orifice.

Preferably, one end of the baffle is provided with a spring, one end of the spring is fixedly connected with the cylindrical box, and the spring is in a compressed state.

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

1. the utility model discloses a be provided with lubricated mechanism, when the gear body uses, play the automatic mesh of lubricating to the gear body.

2. The utility model discloses a be provided with fixture, play the purpose of adjusting gear body internal diameter, do benefit to the installation of gear body, reach the purpose that improves gear body practicality.

Drawings

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

FIG. 2 is a sectional view of the overall structure of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1. a gear body; 21. a square rod; 22. a splint; 23. a screw rod; 24. a limiting through hole; 25. A first cavity; 26. a second gear; 27. a first gear; 28. a motor; 29. a toothed ring; 31. an injection hole; 32. extruding the block; 33. a sponge; 34. a second cavity; 35. a baffle plate; 36. a cylindrical case; 37. A spring; 38. and (7) flowing a 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.

Example 1

Referring to fig. 1 and 2, a transmission gear of an excavator in the figure includes a gear body 1, a lubricating mechanism and a clamping mechanism are arranged in the gear body 1, the purpose of automatically lubricating the gear body 1 is achieved by providing the lubricating mechanism when the gear body 1 is used, the purpose of adjusting the inner diameter of the gear body 1 is achieved by providing the clamping mechanism, the installation of the gear body 1 is facilitated, and the purpose of improving the practicability of the gear body 1 is achieved, the clamping mechanism includes a first cavity 25, the first cavity 25 is annular, the first cavity 25 is arranged in the gear body 1, the first cavity 25 is connected with a screw 23 in a rotating manner, the screw 23 is arranged to drive the square rod 21 to linearly slide along the limiting through hole 24, the screw 23 is connected with the square rod 21 in a threaded manner, the inner wall of the first cavity 25 is provided with a limiting through hole 24, the limiting through hole 24 communicates with the inner wall of the gear body 1, the square rod 21 is connected with the limiting through hole 24 in a sliding manner, one end of the square rod 21 is provided with four clamping plates 22, and the clamping plates 22 are arc-shaped.

Wherein, the rotation of first cavity 25 is connected with ring gear 29, be equipped with motor 28 in the first cavity 25, motor 28 has the function of just reversing, the pivot end of motor 28 is equipped with first gear 27, first gear 27 meshes with ring gear 29 mutually, through being provided with first gear 27, when motor 28 during operation, play and drive ring gear 29 pivoted purpose, the number of lead screw 23 is four, all be equipped with second gear 26 on four lead screws 23, second gear 26 meshes with ring gear 29 mutually, through being provided with second gear 26, when ring gear 29 rotates, play and drive lead screw 23 pivoted purpose.

When this drive gear uses: when transmission gear installs, according to gear body 1's installation demand, starter motor 28, motor 28 drives first gear 27 and rotates, first gear 27 meshes with ring gear 29 mutually, ring gear 29 will be driven and rotate, ring gear 29 meshes with second gear 26 mutually, will drive lead screw 23 and rotate, lead screw 23 drives square pole 21 and carries out rectilinear sliding along the inner wall of spacing through-hole 24, square pole 21 will drive four splint 22 and gather together the motion, splint 22 will grasp the axostylus axostyle, reach the purpose of installation gear body 1, through the aforesaid setting, play the purpose of adjusting gear body 1 internal diameter, do benefit to gear body 1's installation, reach the purpose that improves gear body 1 practicality.

Example 2

Referring to fig. 1, fig. 2 and fig. 3, this embodiment further illustrates embodiment 1, in the illustration, a transmission gear of an excavator includes a gear body 1, a lubricating mechanism and a clamping mechanism are disposed in the gear body 1, by providing the lubricating mechanism, when the gear body 1 is used, the purpose of automatically lubricating the gear body 1 is achieved, by providing the clamping mechanism, the purpose of adjusting the inner diameter of the gear body 1 is achieved, which is beneficial to the installation of the gear body 1, and the purpose of improving the practicability of the gear body 1 is achieved, the clamping mechanism includes a first cavity 25, the shape of the first cavity 25 is annular, the first cavity 25 is disposed in the gear body 1, a lead screw 23 is rotatably connected in the first cavity 25, by providing the lead screw 23, the square rod 21 is conveniently driven to linearly slide along a limiting through hole 24, a square rod 21 is threadedly connected to the lead screw 23, a limiting through hole 24 is disposed on the inner wall of the first cavity 25, the limiting through hole 24 is communicated with the inner wall of the gear body 1, the square rod 21 is slidably connected to the limiting through hole 24, one end of the square rod 21 is provided with four clamping plates 22, and the arc-shaped clamping plates are disposed on one end of the square rod 21.

The lubricating mechanism comprises a second cavity 34, the second cavity 34 is annular, the second cavity 34 is arranged in the gear body 1, an injection hole 31 is formed in the gear body 1, the injection hole 31 is communicated with the second cavity 34, a cap is arranged on the injection hole 31, the injection hole 31 is arranged to facilitate the injection of lubricating oil into the second cavity 34, a sponge 33 and a cylindrical box 36 are arranged in the second cavity 34, the sponge 33 is arranged to facilitate the absorption and storage of the lubricating oil, a baffle 35 is slidably arranged in the cylindrical box 36, the baffle 35 is arranged to cooperate with a spring 37 to block a through hole of the extrusion block 32 and prevent the lubricating oil from flowing out, the extrusion block 32 is arranged on the baffle 35, the extrusion block 32 is arranged by the arrangement of the extrusion block 32, when the gear body 1 works, a gear meshed with the gear body 1 extrudes the extrusion block 32 to drive the baffle 35 to move, the flow hole 38 is beneficial to opening, the flow hole 38 is formed in the gear body 1, the flow hole 38 is communicated with the second cavity 34, the extrusion block 32 is arranged in the flow hole 38, the spring 37 is arranged at one end of the baffle 35, one end of the cylindrical box 36 is fixedly connected with the spring 37, and the spring 37 is in a compressed state.

In this embodiment, when gear body 1 during operation, with the gear of gear body 1 looks meshing, extrusion piece 32 will not stop, extrusion piece 32 receives the extrusion and will drive baffle 35 and slide along the inner wall of roller box 36, and extrude spring 37 and sponge 33, this moment discharge orifice 38 is opened, lubricating oil will flow out through discharge orifice 38, lubricate gear body 1, when waiting for the gear to leave gear body 1, extrusion piece 32 receives the effort of spring 37 and will block up discharge orifice 38, reduce the loss of lubricating oil, through the aforesaid setting, when gear body 1 uses, play the automatic mesh of lubricating gear body 1.

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

1. A transmission gear of an excavator is characterized by comprising:

gear body (1), be equipped with lubricated mechanism and fixture in gear body (1), fixture includes first cavity (25), first cavity (25) are seted up in gear body (1), first cavity (25) internal rotation is connected with lead screw (23), threaded connection has square pole (21) on lead screw (23), spacing through-hole (24) have been seted up to the inner wall of first cavity (25), square pole (21) and spacing through-hole (24) sliding connection, the one end of square pole (21) is equipped with splint (22).

2. The transmission gear of an excavator according to claim 1, wherein: a toothed ring (29) is rotationally connected in the first cavity (25).

3. The transmission gear of an excavator according to claim 2, wherein: a motor (28) is arranged in the first cavity (25), a first gear (27) is arranged at the rotating shaft end of the motor (28), and the first gear (27) is meshed with a gear ring (29).

4. The transmission gear of an excavator according to claim 2, wherein: the number of the screw rods (23) is four, the four screw rods (23) are respectively provided with a second gear (26), and the second gears (26) are meshed with the gear ring (29).

5. The transmission gear of an excavator according to claim 1, wherein: the lubricating mechanism comprises a second cavity (34), the second cavity (34) is arranged in the gear body (1), an injection hole (31) is formed in the gear body (1), the injection hole (31) is communicated with the second cavity (34), and a cover cap is arranged on the injection hole (31).

6. The transmission gear of an excavator according to claim 5, wherein: be equipped with sponge (33) and cylinder case (36) in second cavity (34), it is provided with baffle (35) to slide in cylinder case (36), be equipped with extrusion piece (32) on baffle (35), set up discharge hole (38) on gear body (1), discharge hole (38) intercommunication second cavity (34), extrusion piece (32) are in discharge hole (38).

7. The transmission gear of an excavator according to claim 6, wherein: one end of the baffle plate (35) is provided with a spring (37), and one end of the spring (37) is fixedly connected with the cylindrical box (36).