CN111963687A - Agricultural machine transmission shaft protection casing - Google Patents
Agricultural machine transmission shaft protection casing Download PDFInfo
- Publication number
- CN111963687A CN111963687A CN202010857887.1A CN202010857887A CN111963687A CN 111963687 A CN111963687 A CN 111963687A CN 202010857887 A CN202010857887 A CN 202010857887A CN 111963687 A CN111963687 A CN 111963687A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- block
- thick bamboo
- baffle
- embedded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a transmission shaft protective cover of agricultural machinery, which structurally comprises a protective cylinder, positioning cylinders and a transmission shaft, wherein the protective cylinder is nested outside the transmission shaft, and the positioning cylinders are embedded at the left end and the right end of the protective cylinder, and the protective cover has the beneficial effects that: in order to prevent that impurity such as dust from entering into the operation that influences the transmission shaft on the transmission shaft, the transmission shaft protection casing is sheathe in at the transmission shaft surface usually, and through the fixed protection section of thick bamboo of locating piece, open the apron and push away the baffle and be convenient for add lubricating oil, thereby reduce the friction of transmission shaft and protection section of thick bamboo, the rotation of the transmission shaft of being convenient for, the baffle closes the isolation chamber right under the rotation of transmission shaft, make sealed piece and transmission shaft contact, do benefit to the clearance between sealed baffle and transmission shaft, cooperation through spacing section of thick bamboo and carriage release lever can make sealed piece outer wall produce outside thrust, thereby it is sealed to keeping apart the chamber to improve sealed piece, thereby prevent the lubricating oil outflow in the protection.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a transmission shaft protective cover of agricultural machinery.
Background
In order to fully apply the power of the agricultural machine in the operation process of the agricultural machine, a plurality of charging transmission shafts are arranged in the agricultural machine, and in order to prevent impurities such as dust from entering the transmission shafts to influence the operation of the transmission shafts, a transmission shaft protective cover is sleeved on the surface of the transmission shafts when the transmission shafts are arranged.
At present, lubricating oil is usually added between the transmission shaft and the protective cover in order to reduce friction between the transmission shaft and the protective cover, but under the high-speed operation of the transmission shaft, partial lubricating oil between the transmission shaft and the protective cover is thrown out of the protective cover under the action of centrifugal force, so that the protective cover is stuck with the lubricating oil.
Disclosure of Invention
Aiming at the defects that lubricating oil is adhered to the outside of a protective cover due to the fact that lubricating oil is thrown out of the protective cover under the action of centrifugal force when the transmission shaft runs at a high speed, lubricating oil is usually added between the transmission shaft and the protective cover in order to reduce friction between the transmission shaft and the protective cover in the existing agricultural machine transmission shaft protective cover, and the technical problem is solved.
The invention is realized by the following technical scheme: the utility model provides an agricultural machine transmission shaft protection casing, its structure includes a protection section of thick bamboo, a location section of thick bamboo, transmission shaft, a protection section of thick bamboo nestification is in the transmission shaft outside, a location section of thick bamboo inlays both ends about in a protection section of thick bamboo, a location section of thick bamboo includes locating piece, non slipping spur, apron, the locating piece is located the same axis with a location section of thick bamboo, the non slipping spur inlays admittedly in the locating piece surface, the apron cooperation is installed between locating piece inner wall and transmission shaft surface, the apron is ring shape, and laps inboard diameter and transmission shaft and equal between outer to the locating piece inboard is the arc to the axle core is crooked.
Further say, the locating piece includes fixture block, restriction ring, commentaries on classics roller, holding ring, the fixture block is installed inside the locating piece, the restriction ring passes through welded connection in the locating piece inner wall, change the roller and connect in the locating piece inner wall through movable block, and change the roller and hug closely in the transmission shaft surface, the holding ring passes through clearance connection in the locating piece inner wall, and the holding ring nestification is in the transmission shaft outside, the restriction ring is ring shape, and the restriction ring is inside to be hollow to holding ring right side wall outer end is the ball shape.
Furthermore, the restriction ring is including keeping apart chamber, dead lever, baffle, keep apart the chamber and inlay inside locating the restriction ring, the dead lever passes through horizontal welding in keeping apart the intracavity wall, the baffle passes through bolted connection in the dead lever outside, the baffle is to the left bank, and the length of baffle is greater than the width of keeping apart the chamber.
Further say that, the baffle includes fixed block, sealed piece, locating lever, the fixed block passes through bolted connection in the baffle top, sealed piece inlays admittedly in the baffle bottom, the locating lever passes through between two adjacent baffles of welded connection, sealed piece has three groups, and sealed piece, be the rubber material to sealed piece is the arc bending.
Furthermore, the sealing block comprises a stabilizer bar, a limiting cylinder, a fixed shaft and a moving rod, one end of the stabilizer bar is welded on the inner wall of the sealing block, the limiting cylinder is embedded and fixed at the tail end of the stabilizer bar, the fixed shaft is connected to the inner wall of the sealing block through a movable clamping manner, the moving rod is embedded and fixed on the surface of the fixed shaft and is connected to the two sides of the limiting cylinder through a gap, the stabilizer bar is perpendicular to the limiting cylinder, and the limiting cylinder is hollow.
Furthermore, the rotary roller comprises a rotary block, a clamping plate, a fixed ball and a shaft lever, wherein the clamping plate is embedded and fixed on the periphery of the rotary block, the fixed ball is embedded and fixed at the axis of the clamping plate, the shaft lever and the rotary block are positioned on the same axis, two ends of the shaft lever are welded with the outer surface of the fixed ball, the rotary block is provided with four rotary blocks, and the cross section of the clamping plate is in an I shape.
Furthermore, the rotating block comprises a pushing block, a supporting rod and a supporting spring, the outer side of the pushing block is fixedly embedded in the inner wall of the rotating block, one end of the supporting rod is connected to the inner side of the pushing block in a welding mode, the other end of the supporting rod is fixedly embedded in the surface of the fixed ball, the supporting spring is embedded in the outer surface of the supporting rod, the number of the pushing block is six, and the supporting spring is in a compression state.
Advantageous effects
Compared with the prior art, the agricultural machine transmission shaft protective cover has the following advantages:
1. the invention has the beneficial effects that: in order to prevent that impurity such as dust from entering into the operation that influences the transmission shaft on the transmission shaft, the transmission shaft protection casing is sheathe in at the transmission shaft surface usually, and through the fixed protection section of thick bamboo of locating piece, open the apron and push away the baffle and be convenient for add lubricating oil, thereby reduce the friction of transmission shaft and protection section of thick bamboo, the rotation of the transmission shaft of being convenient for, the baffle closes the isolation chamber right under the rotation of transmission shaft, make sealed piece and transmission shaft contact, do benefit to the clearance between sealed baffle and transmission shaft, cooperation through spacing section of thick bamboo and carriage release lever can make sealed piece outer wall produce outside thrust, thereby it is sealed to keeping apart the chamber to improve sealed piece, thereby prevent the lubricating oil outflow in the protection.
2. The invention has the beneficial effects that: the transmission shaft surface makes the commentaries on classics piece rotate with commentaries on classics piece surface friction, and the commentaries on classics piece supports under the outside elasticity of support spring, avoids ejector pad pressurized deformation to reduce the friction of transmission shaft and protection casing under the rotation of commentaries on classics piece, the normal rotation of the transmission shaft of being convenient for.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a transmission shaft protective cover of an agricultural machine.
FIG. 2 is a right enlarged view of the positioning barrel of the present invention.
FIG. 3 is a left-view enlarged structural diagram of the positioning block of the present invention.
FIG. 4 is an enlarged front view of the confinement rings of the present invention.
Fig. 5 is a front view of the baffle of the present invention.
Fig. 6 is a front enlarged structural diagram of the sealing block of the present invention.
Fig. 7 is a front enlarged structural schematic view of the roller of the present invention.
FIG. 8 is a left enlarged view of the clamping plate of the present invention.
In the figure: the device comprises a protection cylinder 1, a positioning cylinder 2, a transmission shaft 3, a positioning block 21, an anti-slip block 22, a cover plate 23, a clamping block 211, a limiting ring 212, a rotating roller 213, a positioning ring 214, an isolation cavity a1, a fixing rod a2, a baffle a3, a fixing block a31, a sealing block a32, a positioning rod a33, a stabilizing rod m1, a limiting cylinder m2, a fixing shaft m3, a moving rod m4, a rotating block b1, a clamping plate b2, a fixing ball b3, a shaft lever b4, a pushing block b11, a supporting rod b12 and a supporting spring b 13.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Please refer to fig. 1-8:
example 1:
the invention provides a transmission shaft protective cover of agricultural machinery, which structurally comprises a protective cylinder 1, a positioning cylinder 2 and a transmission shaft 3, wherein the protective cylinder 1 is nested outside the transmission shaft 3, the positioning cylinder 2 is embedded at the left end and the right end of the protective cylinder 1, the positioning cylinder 2 comprises a positioning block 21, an anti-skidding block 22 and a cover plate 23, the positioning block 21 and the positioning cylinder 2 are positioned on the same axis, the anti-skidding block 22 is embedded on the outer surface of the positioning block 21, the cover plate 23 is installed between the inner wall of the positioning block 21 and the outer surface of the transmission shaft 3 in a matching mode, the cover plate 23 is annular, the diameter of the inner side of the cover plate 23 is equal to that of the outer side of the transmission shaft 3, the inner side of the positioning block 21 is bent towards a shaft core in an arc shape, the cover plate 23 is favorably covered between the positioning block.
In the figure, locating piece 21 includes fixture block 211, limit ring 212, changes roller 213, holding ring 214, fixture block 211 is installed inside locating piece 21, limit ring 212 passes through welded connection in locating piece 21 inner wall, change roller 213 and connect in locating piece 21 inner wall through movable clamping, and change roller 213 and hug closely in 3 surfaces of transmission shaft, holding ring 214 passes through gap coupling in locating piece 21 inner wall, and holding ring 214 nests in the 3 outsides of transmission shaft, limit ring 212 is the ring shape, and the inside hollow that is of limit ring 212 to holding ring 214 right wall outer end is the ball shape, does benefit to transmission shaft 3 at the internal rotation of a locating cylinder 2, and fixes a position through holding ring 214.
In the figure, the limiting ring 212 comprises an isolation cavity a1, a fixing rod a2 and a baffle a3, the isolation cavity a1 is embedded in the limiting ring 212, the fixing rod a2 is horizontally welded on the inner wall of the isolation cavity a1, the baffle a3 is connected to the outer side of the fixing rod a2 through bolts, the baffle a3 inclines to the left, the length of the baffle a3 is larger than the width of the isolation cavity a1, so that the baffle a3 is pushed inwards when lubricating oil needs to be added, and the baffle a3 blocks the isolation cavity a1 after the lubricating oil is added, so that the lubricating oil is prevented from flowing out.
In the figure, the baffle a3 includes fixed block a31, sealing block a32, locating lever a33, fixed block a31 passes through bolted connection at baffle a3 top, sealing block a32 inlays in baffle a3 bottom, locating lever a33 passes through between the adjacent two baffles a3 of welded connection, sealing block a32 has three groups, and sealing block a32, be the rubber material, and sealing block a32 is the arc bending, is favorable to having baffle a3 to close downwards when adding lubricating oil, makes sealing block a32 seal the clearance between baffle a3 and transmission shaft 3.
In the figure, the sealing block a32 comprises a stabilizing rod m1, a limiting cylinder m2, a fixing shaft m3 and a moving rod m4, one end of the stabilizing rod m1 is welded on the inner wall of the sealing block a32, the limiting cylinder m2 is embedded at the tail end of the stabilizing rod m1, the fixing shaft m3 is connected to the inner wall of the sealing block a32 through movable clamping, the moving rod m4 is embedded on the surface of the fixing shaft m3 and connected to the two sides of the limiting cylinder m2 through a gap, the stabilizing rod m1 is perpendicular to the limiting cylinder m2, and the limiting cylinder m2 is hollow, so that when the sealing block a32 is pressed, the outer wall of the sealing block a32 can generate outward thrust through the matching of the limiting cylinder m2 and the moving rod m4, and the sealing of the sealing block a32 on the isolation cavity a1 is improved.
The specific principle of the embodiment is as follows: in order to prevent impurities such as dust and the like from entering the transmission shaft 3 to influence the operation of the transmission shaft 3, a transmission shaft protective cover is usually sleeved on the outer surface of the transmission shaft 3 when the transmission shaft 3 is installed, the protective cylinder 1 is sleeved on the periphery of the transmission shaft 3, the protective cylinder 1 is fixed through a positioning block 21 to prevent the protective cylinder 1 from moving horizontally, at the moment, a limiting ring 212, a rotating roller 213 and a positioning ring 214 on the positioning cylinder 2 are attached to the outer surface of the transmission shaft 3, a cover plate 23 in the positioning cylinder 2 is opened, a baffle a3 on a fixing rod a2 in the limiting ring 212 is pushed open to the protective cylinder 1, lubricating oil is conveniently added into the protective cylinder 1, so that the friction between the transmission shaft 3 and the protective cylinder 1 is reduced, the transmission shaft 3 is convenient to rotate, under the rotation of the transmission shaft 3, a3 in the limiting ring 212 closes an isolation cavity a1 rightwards, a sealing block a32 at the bottom of the baffle a3 and, when the sealing block a32 is squeezed, the limiting cylinder m2 is matched with the moving rod m4, so that the outer wall of the sealing block a32 can generate outward pushing force, the sealing of the sealing block a32 to the isolation cavity a1 is improved, and lubricating oil in the protective cylinder 1 is prevented from flowing out.
Example 2:
the invention provides a transmission shaft protective cover of agricultural machinery, which structurally comprises a protective cylinder 1, a positioning cylinder 2 and a transmission shaft 3, wherein the protective cylinder 1 is nested outside the transmission shaft 3, the positioning cylinder 2 is embedded at the left end and the right end of the protective cylinder 1, the positioning cylinder 2 comprises a positioning block 21, an anti-skidding block 22 and a cover plate 23, the positioning block 21 and the positioning cylinder 2 are positioned on the same axis, the anti-skidding block 22 is embedded on the outer surface of the positioning block 21, the cover plate 23 is installed between the inner wall of the positioning block 21 and the outer surface of the transmission shaft 3 in a matching mode, the cover plate 23 is annular, the diameter of the inner side of the cover plate 23 is equal to that of the outer side of the transmission shaft 3, the inner side of the positioning block 21 is bent towards a shaft core in an arc shape, the cover plate 23 is favorably covered between the positioning block.
In the figure, locating piece 21 includes fixture block 211, limit ring 212, changes roller 213, holding ring 214, fixture block 211 is installed inside locating piece 21, limit ring 212 passes through welded connection in locating piece 21 inner wall, change roller 213 and connect in locating piece 21 inner wall through movable clamping, and change roller 213 and hug closely in 3 surfaces of transmission shaft, holding ring 214 passes through gap coupling in locating piece 21 inner wall, and holding ring 214 nests in the 3 outsides of transmission shaft, limit ring 212 is the ring shape, and the inside hollow that is of limit ring 212 to holding ring 214 right wall outer end is the ball shape, does benefit to transmission shaft 3 at the internal rotation of a locating cylinder 2, and fixes a position through holding ring 214.
In the figure, the rotating roller 213 comprises a rotating block b1, a clamping plate b2, fixed balls b3 and a shaft lever b4, the clamping plate b2 is embedded at the periphery of the rotating block b1, the fixed balls b3 are embedded at the axis of the clamping plate b2, the shaft lever b4 and the rotating block b1 are located on the same axis, two ends of the shaft lever b4 are welded with the outer surface of the fixed balls b3, the rotating blocks b1 are four, the cross section of the clamping plate b2 is in an i shape, the rotating roller 213 is driven to rotate by the contact of the rotating block b1 when the transmission shaft 3 rotates, and the friction between the transmission shaft 3 and the shield is reduced.
In the drawing, the rotating block b1 includes a pushing block b11, a supporting rod b12 and a supporting spring b13, the outer side of the pushing block b11 is embedded in the inner wall of the rotating block b1, one end of the supporting rod b12 is connected to the inner side of the pushing block b11 through welding, the other end of the supporting rod b12 is embedded in the surface of the fixing ball b3, the supporting spring b13 is embedded in the outer surface of the supporting rod b12, the pushing block b11 has six blocks, and the supporting spring b13 is in a compressed state, so that the elastic force of the supporting spring b13 outwards supports the rotating block b1, and the rotating block b1 is not deformed by compression.
The specific principle of the embodiment is as follows: under the rotation of the transmission shaft 3, the surface of the transmission shaft 3 rubs with the surface of the rotating block b1, so that the transmission shaft 3 drives the rotating block b1 to rotate, the rotating block b1 is subjected to the outward elastic force of the pushing block b11 on the supporting spring b13 at the periphery of the supporting rod b12, the pushing block b11 is prevented from being pressed and deformed, the friction between the transmission shaft 3 and the protective cover is reduced under the rotation of the rotating block b1, and the normal rotation of the transmission shaft 3 is facilitated.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Claims (7)
1. The utility model provides an agricultural machine transmission shaft protection casing, its structure includes a protection section of thick bamboo (1), a location section of thick bamboo (2), transmission shaft (3), a protection section of thick bamboo (1) nestification is in transmission shaft (3) outside, both ends, its characterized in that about a location section of thick bamboo (2) are inlayed and are fixed in a protection section of thick bamboo (1):
the positioning cylinder (2) comprises a positioning block (21), an anti-skid block (22) and a cover plate (23), the positioning block (21) and the positioning cylinder (2) are located on the same axis, the anti-skid block (22) is embedded and fixed on the outer surface of the positioning block (21), and the cover plate (23) is installed between the inner wall of the positioning block (21) and the outer surface of the transmission shaft (3) in a matching mode.
2. An agricultural machine drive shaft guard according to claim 1, wherein: locating piece (21) include fixture block (211), restrictor ring (212), change roller (213), holding ring (214), fixture block (211) are installed inside locating piece (21), restrictor ring (212) are through welded connection in locating piece (21) inner wall, it connects in locating piece (21) inner wall to change roller (213) through movable clamping, and changes roller (213) and hug closely in transmission shaft (3) surface, holding ring (214) pass through gap connection in locating piece (21) inner wall, and holding ring (214) nests in the transmission shaft (3) outside.
3. An agricultural machine drive shaft guard according to claim 2, wherein: the limiting ring (212) comprises an isolation cavity (a1), a fixing rod (a2) and a baffle (a3), wherein the isolation cavity (a1) is embedded inside the limiting ring (212), the fixing rod (a2) is horizontally welded on the inner wall of the isolation cavity (a1), and the baffle (a3) is connected to the outer side of the fixing rod (a2) through bolts.
4. An agricultural machine drive shaft guard according to claim 3, wherein: the baffle (a3) includes fixed block (a31), sealed piece (a32), locating lever (a33), fixed block (a31) pass through bolted connection in baffle (a3) top, sealed piece (a32) are embedded in baffle (a3) bottom, locating lever (a33) is through between two adjacent baffles (a3) of welded connection.
5. An agricultural machine drive shaft guard according to claim 4, wherein: sealing block (a32) includes stabilizer bar (m1), spacing section of thick bamboo (m2), fixed axle (m3), carriage release lever (m4), stabilizer bar (m1) one end welding is at sealing block (a32) inner wall, spacing section of thick bamboo (m2) is inlayed and is fixed in stabilizer bar (m1) end, fixed axle (m3) is connected in sealing block (a32) inner wall through the activity block, carriage release lever (m4) is inlayed and is fixed in fixed axle (m3) surface and through gap connection in spacing section of thick bamboo (m2) both sides.
6. An agricultural machine drive shaft guard according to claim 2, wherein: the rotating roller (213) is composed of a rotating block (b1), a clamping plate (b2), a fixing ball (b3) and a shaft lever (b4), the clamping plate (b2) is embedded and fixed on the periphery of the rotating block (b1), the fixing ball (b3) is embedded and fixed on the axis of the clamping plate (b2), the shaft lever (b4) and the rotating block (b1) are located on the same axis, and two ends of the shaft lever (b4) are welded with the outer surface of the fixing ball (b 3).
7. An agricultural machine drive shaft guard according to claim 6, wherein: the rotating block (b1) comprises a pushing block (b11), a supporting rod (b12) and a supporting spring (b13), the outer side of the pushing block (b11) is embedded in the inner wall of the rotating block (b1), one end of the supporting rod (b12) is connected to the inner side of the pushing block (b11) through welding, the other end of the supporting rod is embedded in the surface of the fixing ball (b3), and the supporting spring (b13) is embedded in the outer surface of the supporting rod (b 12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857887.1A CN111963687A (en) | 2020-08-24 | 2020-08-24 | Agricultural machine transmission shaft protection casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857887.1A CN111963687A (en) | 2020-08-24 | 2020-08-24 | Agricultural machine transmission shaft protection casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963687A true CN111963687A (en) | 2020-11-20 |
Family
ID=73390179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010857887.1A Withdrawn CN111963687A (en) | 2020-08-24 | 2020-08-24 | Agricultural machine transmission shaft protection casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111963687A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982950A (en) * | 2021-11-02 | 2022-01-28 | 高春红 | Water pump based on transmission type adjustable water outlet capacity |
-
2020
- 2020-08-24 CN CN202010857887.1A patent/CN111963687A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982950A (en) * | 2021-11-02 | 2022-01-28 | 高春红 | Water pump based on transmission type adjustable water outlet capacity |
| CN113982950B (en) * | 2021-11-02 | 2023-12-19 | 佛山市应必优电机有限公司 | Water pump capable of adjusting water outlet capacity based on transmission type |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201120 |