CN111255817A - Agricultural machinery clutch of easily protecting clutch shaft - Google Patents

Abstract

The invention relates to an agricultural machinery clutch easy to protect a clutch shaft, which comprises a clutch shell and a clutch inner core body, wherein the clutch shell is fixedly connected with the clutch inner core body, an operating rod matched with the clutch inner core body is fixedly connected onto the clutch shell, the clutch shaft is arranged in the clutch inner core body, an inner ring is connected between the clutch shaft and the clutch inner core body and comprises a pair of semi-cylindrical casing shells, the pair of semi-cylindrical casing shells are mutually clamped, one end of each semi-cylindrical casing shell is fixedly connected with a plurality of positioning columns which are uniformly distributed, the other end of each semi-cylindrical casing shell is provided with a positioning groove matched with the corresponding positioning column, one end of each semi-cylindrical casing shell, close to the corresponding positioning column, is provided with a mounting groove, and a clamping block is connected in the mounting groove in a sliding mode, so that the clutch.

Description

Agricultural machinery clutch of easily protecting clutch shaft

Technical Field

The invention belongs to the field of clutches, and particularly relates to an agricultural machinery clutch capable of protecting a clutch shaft easily.

Background

The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by screws, and the output shaft of the clutch is the input shaft of the gearbox. During vehicle operation, the driver may depress or release the clutch pedal as needed to temporarily disengage and progressively engage the engine to the transmission to cut off or transfer power from the engine to the transmission. The clutch is a common component in mechanical transmission, and can separate or engage a transmission system at any time, and the common components are divided into a jaw type and a friction type.

In the Chinese patent publication No. CN205371353U, an agricultural machine clutch is disclosed, which comprises three friction plates, wherein, initially, the clutch is in a combined state, under the action of a compression spring, a first friction plate and a second friction plate are tightly combined with a clutch shell, an engine drives a belt pulley to rotate, a third friction plate is connected with a clutch shaft through a spline shaft, when an operating lever is operated, the operating lever rotates around an open pin shaft, the outer end of the operating lever compresses an adjusting nut, the compression spring separates the first friction plate from the second friction plate, so that the clutch is in a separated state, the scheme is that an inner ring is arranged on the clutch shaft for protecting the clutch shaft, when the clutch is damaged, the clutch shaft does not need to be replaced, only the inner ring needs to be replaced, and in actual use, because the inner ring is sleeved on the clutch shaft, when the inner ring needs to be replaced, the inner ring can be removed by detaching the clutch shaft or a rotating device connected with the clutch shaft, the operation is very inconvenient.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide an agricultural machinery clutch with an easily-protected clutch shaft, which can realize the easily-protected clutch shaft and is convenient to disassemble and assemble a semi-cylindrical casing.

In order to solve the above problems, the present invention adopts the following technical solutions.

An agricultural machinery clutch easy to protect a clutch shaft comprises a clutch shell and a clutch inner core body, wherein the clutch shell is fixedly connected with the clutch inner core body, an operating rod matched with the clutch inner core body is fixedly connected onto the clutch shell, a clutch shaft is arranged in the clutch inner core body, an inner ring is connected between the clutch shaft and the clutch inner core body, the inner ring comprises a pair of semi-cylindrical casing bodies, the pair of semi-cylindrical casing bodies are mutually clamped, one end of each semi-cylindrical casing body is fixedly connected with a plurality of uniformly distributed positioning columns, the other end of each semi-cylindrical casing body is provided with positioning grooves matched with the positioning columns in a chiseling mode, one end, close to the positioning columns, of each semi-cylindrical casing body is provided with a mounting groove in a chiseling mode, a clamping block is connected in the mounting groove in a sliding mode, and, the upper end of semicircle pillar cover shell is excavated there is the slot, the slot communicates with each other with the mounting groove, it has the press the depression bar with slider assorted to peg graft in the slot, press the lower extreme and the slider sliding connection of depression bar, it has the spring mounting groove to excavate on the inner wall of slot, press the depression bar on cup joint with spring mounting groove assorted second compression spring, fixedly connected with and second compression spring assorted limiting plate on the depression bar, the semicircle pillar cover shell is close to the one end of constant head tank and opens chisel have with the first draw-in groove of fixture block assorted, the intraductal cambered surface of semicircle pillar cover shell is opened chisel and is had a pair of second draw-in groove, epaxial fixedly connected with of clutch two pairs and second draw-in groove assorted card strip, easily protect the clutch shaft, the convenience is dismantled and is installed the semicircle pillar cover.

Further, dig many pairs of spring grooves on clutch housing's the inner wall, the spring inslot is equipped with spacing ball, the first compression spring of fixedly connected with between spacing ball and the spring groove bottom, the last chisel of semicylinder cover shell have with spacing ball assorted slide, easily fixed semicylinder cover shell becomes rolling friction with sliding friction, easily reduces the frictional force between clutch housing and the semicylinder cover shell.

Furthermore, rectangular notches are cut in the side walls of the semi-cylindrical casing, so that workers can use tools to disassemble the inner ring easily.

Furthermore, the surface of inner circle scribbles lubricating oil, easily reduces the friction that the semi-cylindrical housing received, easily increases the life of semi-cylindrical housing.

Compared with the prior art, the invention has the advantages that:

(1) this scheme easily protects the clutch shaft, conveniently dismantles and installs the semicylinder cover shell.

(2) Cut many pairs of spring grooves on clutch housing's the inner wall, the spring inslot is equipped with spacing ball, the first compression spring of fixedly connected with between spacing ball and the spring groove bottom, cut on the semicylinder cover shell have with spacing ball assorted slide, easily fixed semicylinder cover shell becomes rolling friction with sliding friction, easily reduces the frictional force between clutch housing and the semicylinder cover shell.

(3) Rectangular notches are cut in the side walls of the semi-cylindrical casing, so that workers can use tools to disassemble the inner ring easily.

(4) The surface of inner circle scribbles lubricating oil, easily reduces the friction that the semi-cylindrical shell received, easily increases the life of semi-cylindrical shell.

Drawings

FIG. 1 is a perspective view of the present invention with the inner race broken away;

FIG. 2 is an assembled perspective view of the inner race of the present invention;

FIG. 3 is a partial cross-sectional view of the present invention at the press bar;

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

FIG. 5 is a schematic view of the structure at A in FIG. 4;

wherein: the clutch comprises a clutch shell 1, a clutch inner core body 2, a clutch shaft 3, a semi-cylindrical sleeve 4, an operating rod 5, a first compression spring 6, a limiting ball 7, a clamping block 8, a positioning column 9, a pressing rod 10, a sliding block 11, a second compression spring 12, a limiting plate 13 and a positioning groove 14.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, an agricultural machinery clutch easy to protect a clutch shaft comprises a clutch housing 1 and a clutch inner core body 2, the clutch housing 1 and the clutch inner core body 2 are fixedly connected, an operating rod 5 matched with the clutch inner core body 2 is fixedly connected to the clutch housing 1, a clutch shaft 3 is installed in the clutch inner core body 2, an inner ring is connected between the clutch shaft 3 and the clutch inner core body 2, one end of the clutch shaft 3 is fixedly connected with a friction plate in the clutch inner core body 2, the other end of the clutch shaft 3 is connected with a rotating device, a proper rotating device is adopted by technicians in the field to install, a certain gap is left between the rotating device and the clutch housing 1, the gap length is larger than that of the inner ring, the gap is not easy to damage and is used for protecting the clutch shaft 3, so that the clutch shaft 3, the inner ring comprises a pair of semi-cylindrical casing shells 4, a pair of semi-cylindrical casing 4 are mutually clamped, one end of the semi-cylindrical casing 4 is fixedly connected with a plurality of evenly distributed positioning columns 9, the positioning columns 9 are used for clamping two semi-cylindrical casing 4, the other end of the semi-cylindrical casing 4 is provided with positioning grooves 14 matched with the positioning columns 9 in a chiseled mode, one end of the semi-cylindrical casing 4 close to the positioning columns 9 is provided with a mounting groove in a chiseled mode, a fixture block 8 is connected in the mounting groove in a sliding mode, the fixture block 8 is used for clamping two semi-cylindrical casing 4, one end of the fixture block 8 far away from the positioning columns 9 is fixedly connected with a sliding block 11, the sliding block 11 is used for pushing the fixture block 8 to separate the two semi-cylindrical casing 4, the upper end of the semi-cylindrical casing 4 is provided with a slot, the slot is communicated with the mounting groove, a pressing rod 10 matched with the sliding, according to press and cup jointed on the depression bar 10 with spring mounting groove assorted second compression spring 12, press fixedly connected with and second compression spring 12 assorted limiting plate 13 on the depression bar 10, limiting plate 13 and the convenient depression bar 10 of second compression spring 12 cooperation reset, the one end that semi-cylindrical shell 4 is close to constant head tank 14 is opened chisel have with the first draw-in groove of fixture block 8 assorted, the interior cambered surface of semi-cylindrical shell 4 is opened chisel and is had a pair of second draw-in groove, fixedly connected with two pairs of and second draw-in groove assorted card strip on the clutch shaft 3, card strip and the cooperation of second draw-in groove make clutch shaft 3 and inner circle fixed mutually in the direction of rotation, can also make the inner circle can slide on clutch shaft 3, easily protect clutch shaft 3, the convenience is dismantled and is installed semi-cylindrical shell 4.

Cut many pairs of spring grooves on clutch housing 1's the inner wall, the spring inslot is equipped with spacing ball 7, the first compression spring 6 of fixedly connected with between spacing ball 7 and the spring bottom of the groove, cut on the semicylinder cover shell 4 have with spacing ball 7 assorted slide, easily fix semicylinder cover shell 4, become rolling friction with sliding friction, easily reduce the frictional force between clutch housing 1 and the semicylinder cover shell 4, it has the rectangle breach to cut on the lateral wall of semicylinder cover shell 4, easily staff's use tool dismantles the inner circle, the surface of inner circle scribbles lubricating oil, easily reduce the friction that the semicylinder cover shell 4 received, easily increase the life of semicylinder cover shell 4.

When the inner ring needs to be replaced, a person skilled in the art inserts a proper tool into the rectangular notch and applies an acting force to separate the slide way on the side wall of the semi-cylindrical housing 4 from the first compression spring 6, so that the inner ring can be pulled out of the clutch housing 1, when the inner ring is completely separated from the clutch housing 1, the pressing rod 10 on the semi-cylindrical housing 4 is pressed, so that the pressing rod 10 pushes the slider 11 and the fixture block 8 to move in the mounting groove, so that the fixture block 8 acts on the first clamping groove on the other semi-cylindrical housing 4, so that the two semi-cylindrical housings 4 are separated, thereby realizing the disassembly of the inner ring, when the inner ring is installed, the second clamping grooves on the two semi-cylindrical housings 4 are matched with the clamping strips on the clutch shaft 3, the positioning column 9 is matched with the positioning groove 14, the fixture block 8 is matched with the first clamping groove, namely, the combination of the inner ring is realized, when the slide on the semi-cylindrical shell 4 matches with clutch shaft 3, the installation is accomplished to the inner circle, compares current clutch, and this scheme easily protects clutch shaft 3, and conveniently changes the inner circle that is used for protecting clutch shaft 3.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (4)

1. The utility model provides an easily protect agricultural machinery clutch of clutch shaft, includes clutch housing and clutch inner core body, its characterized in that: the clutch shell is fixedly connected with the clutch inner core body, an operating rod matched with the clutch inner core body is fixedly connected onto the clutch shell, a clutch shaft is arranged in the clutch inner core body, an inner ring is connected between the clutch shaft and the clutch inner core body, the inner ring comprises a pair of semi-cylindrical casing shells, the semi-cylindrical casing shells are mutually clamped, one ends of the semi-cylindrical casing shells are fixedly connected with a plurality of uniformly distributed positioning columns, positioning grooves matched with the positioning columns are drilled at the other ends of the semi-cylindrical casing shells, mounting grooves are drilled at the ends, close to the positioning columns, of the semi-cylindrical casing shells, clamping blocks are slidably connected in the mounting grooves, a sliding block is fixedly connected at one ends, far away from the positioning columns, of the clamping blocks, a slot is drilled at the upper end of the semi-cylindrical casing shells, the slot is communicated with the mounting grooves, and, the lower extreme and the slider sliding connection of press the depression bar, it has the spring mounting groove to excavate on the inner wall of slot, press the depression bar on cup jointed with spring mounting groove assorted second compression spring, fixedly connected with and second compression spring assorted limiting plate on the depression bar, the one end that the semicylinder cover shell is close to the constant head tank is excavated and is had and fixture block assorted first draw-in groove, the intraductal cambered surface of semicylinder cover shell is excavated and is had a pair of second draw-in groove, epaxial fixedly connected with two pairs of and second draw-in groove assorted card strip of clutch.

2. An agricultural machine clutch of claim 1, wherein the clutch shaft is easily protected: the clutch housing is characterized in that a plurality of pairs of spring grooves are formed in the inner wall of the clutch housing, limiting balls are arranged in the spring grooves, first compression springs are fixedly connected between the limiting balls and the bottom ends of the spring grooves, and slideways matched with the limiting balls are formed in the semi-cylindrical shell.

3. An agricultural machine clutch of claim 1, wherein the clutch shaft is easily protected: rectangular notches are cut in the side walls of the semi-cylindrical casings.

4. An agricultural machine clutch of claim 1, wherein the clutch shaft is easily protected: and the surface of the inner ring is coated with lubricating oil.

Images