CN211145315U - Gear engaging control device - Google Patents
Gear engaging control device Download PDFInfo
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- CN211145315U CN211145315U CN201922263386.6U CN201922263386U CN211145315U CN 211145315 U CN211145315 U CN 211145315U CN 201922263386 U CN201922263386 U CN 201922263386U CN 211145315 U CN211145315 U CN 211145315U
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- shifting guide
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Abstract
The utility model discloses a gear engaging control device, which comprises a gear cover, a movable gear mechanism arranged on the gear cover and a reverse gear limiting mechanism; two fixed working gears positioned at two ends of the gear cover are arranged at one side of a gear shifting guide hole on a gear shifting guide plate of the gear cover; the movable gear mechanism is arranged below the gear shifting guide hole and comprises a positioning shaft, a slidable gear shifting block and a return spring, wherein two sides of the gear shifting block are respectively provided with a movable working gear, and the two movable working gears are positioned between the two fixed working gears; the reverse gear limiting mechanism comprises a rotating shaft, a gear shift lever limiting plate and a counterweight handle; the gear engaging control device of the utility model increases the number of working gears by adding the movable gear mechanism, and can fully exert the function of the gearbox; through addding the stop gear that reverses gear, non-reverse gear position during operation, the gear level limiting plate shelters from the reverse gear, prevents that driver's maloperation from sliding the gear level to the reverse gear position, and the security performance greatly improves.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, concretely relates to be applied to agricultural machinery's controlling means that puts into gear.
Background
With the vigorous popularization of agricultural mechanized production, small agricultural machines such as rotary cultivators, mini-tillers and field management machines are increasingly widely applied. The power of the engine is transmitted to the walking mechanism and the related machines after the speed of the gearbox is changed, and the walking and operation functions are realized. The driver shifts the gear lever of the gearbox operating device to select gears and shift gears, and the functions of speed change, forward movement, operation, reverse movement and the like are realized.
A single-rod gear shifting operation mode is generally adopted in small agricultural machinery in the prior art, as shown in fig. 1, a bar-shaped gear shifting groove 10 is arranged on a gear shifting guide plate 1 of a gear cover I, the bar-shaped gear shifting groove 10 is provided with a plurality of gears with fixed positions, wherein a fixed working gear a (reverse rotation), a fixed working gear b (forward rotation) and a fixed working gear c (forward rotation) are arranged on one side of the bar-shaped gear shifting groove 10; the other side is provided with a reverse gear d, a neutral gear e, a forward gear f and a forward gear g. The single-rod gear shifting operation mode has the following problems:
when the forward gear f or the forward gear g runs, the forward rotation gear and the reverse rotation gear at the middle position of the fixed working gear are fixed, and because the strip-shaped gear shifting groove 10 which controls the movement track of the gear shifting rod 4 on the gear shifting guide plate 1 is provided with the baffle 101 at the middle part, interference is caused on the movement track, only one gear (reverse rotation) can be removed at the left side of the fixed working gear c, and only three fixed working gears are provided, so that the original design function of the gearbox cannot be fully exerted.
Because the forward gear f, the forward gear g and the reverse gear d are not limited and are directly communicated, when the gear lever 4 is used, if the misoperation condition of a driver occurs, the gear lever 4 is very easy to slide to the reverse gear d, so that an inner gear pair of the gearbox is easily damaged due to impact, personal safety accidents are easily caused due to heavy conditions, and extremely high potential safety hazards exist.
Disclosure of Invention
In view of this, the technical problem to be solved by the present invention is: the gear engaging control device is used for agricultural machinery, and the working gear is additionally arranged, so that the original functions of the gearbox are fully exerted.
In order to solve the technical problem, the technical scheme of the utility model is that: a gear engagement operator, said gear engagement operator comprising:
the gear shifting guide plate is provided with a gear shifting guide hole, one side of the gear shifting guide hole is provided with two fixed working gears, the two fixed working gears are respectively positioned at two ends of the gear shifting guide hole, and the two fixed working gears are opposite in position;
the activity keeps off position mechanism, the activity keep off position mechanism set up in the below of the guiding hole of shifting, the activity keeps off position mechanism and has two mobilizable activity work and keeps off the position, two the activity work keeps off the position and is located two between the fixed work keeps off the position, one of them the activity work keeps off the position and one of them the position that fixed work kept off the position is relative, another the activity work keeps off the position and another the position that fixed work kept off the position is relative.
Wherein, activity keeps off position mechanism and includes:
the positioning shaft is fixedly arranged between the two side plates, and the two side plates are perpendicular to the gear shifting guide plate and are fixedly arranged;
the gear shifting block is slidably mounted with the positioning shaft, and the two sides of the gear shifting block are respectively provided with the movable working gears.
The gear shifting block is fixedly connected with a sleeve, and the sleeve is slidably sleeved on the positioning shaft.
The movable gear mechanism further comprises a shifting block resetting mechanism, and the shifting block resetting mechanism comprises a resetting spring which is sleeved at two ends of the positioning shaft.
The positioning shaft is a stepped shaft, the stepped shaft comprises a large-diameter section positioned in the middle and small-diameter sections positioned on two sides of the large-diameter section, and a stepped surface is formed at the transition position of the large-diameter section and the small-diameter section; reset spring cover is located the path section, still the cover is equipped with slidable position sleeve on the path section, a terminal surface of position sleeve support in the ladder face, another terminal surface of position sleeve support in reset spring.
The other side of the gear shifting guide hole is provided with a forward gear, a neutral gear and a reverse gear, and the reverse gear is positioned at the end part of the gear shifting guide hole; the fixed working gear, the movable working gear, the neutral gear and the reverse gear are all in a semi-circular arc shape matched with the peripheral surface of the gear shifting rod.
The gear engaging control device is further provided with a reverse gear limiting mechanism.
Wherein, reverse gear stop gear includes:
the rotating shaft is rotatably arranged relative to the gear shifting guide plate;
the gear shifting guide hole is arranged on the gear shifting guide plate, and the gear shifting guide hole is arranged on the gear shifting guide plate;
the counterweight handle is positioned on the other side of the rotating shaft and connected with the end part of the rotating shaft, and the counterweight handle is opposite to the gear shift lever limiting plate;
when the gear is not reversed, the gear lever limiting plate shields the reverse gear; when the reverse gear is hung, the counterweight handle is rotated, the rotating shaft drives the gear shift lever limiting plate to rotate, the reverse gear is separated, and the gear shift lever is hung in the reverse gear.
The other end of the gear shift lever limiting plate is provided with an arc-shaped extending anti-blocking portion for preventing the gear shift lever from being blocked.
The reverse gear limiting mechanism further comprises a mounting seat, the rotating shaft is rotatably mounted on the mounting seat, and the mounting seat is fixedly connected with the gear shifting guide plate; or both sides of the gear shifting guide plate are respectively and fixedly provided with a side plate perpendicular to the gear shifting guide plate, and the mounting seat is fixedly connected with one side plate.
After the technical scheme is adopted, the beneficial effects of the utility model are as follows:
because the gear-shifting control device of the utility model comprises a gear-shifting guide plate and a movable gear mechanism arranged below the gear-shifting guide plate, one side of a gear-shifting guide hole on the gear-shifting guide plate is provided with two fixed working gears positioned at two ends of the gear-shifting guide plate, the movable gear mechanism is provided with two movable working gears, the two movable working gears are positioned between the two fixed working gears, one movable working gear is opposite to one fixed working gear, and the other movable working gear is opposite to the other fixed working gear; by additionally arranging the movable gear mechanism, any movable working gear and any fixed working gear can be matched with the gear shifting rod, so that the gear shifting function is realized, the number of the working gears is increased, and the original design function of the gearbox is fully exerted; when the gear level was kept off the position with the activity work and is cooperated, can stir the activity work and keep off the position and smoothly slide in the below of the guiding hole of shifting, because the middle part of the guiding hole of shifting does not have the bar of prior art and shifts the groove and separate the fender, the interference problem when having solved among the prior art bar and shifting the groove intermediate position and using.
Because the utility model discloses a gear engaging control device still further is provided with the stop gear that reverses gear, and during the non-operating position that reverses gear, the gear level limiting plate shelters from the position that reverses gear, prevents to slide the gear level to the position that reverses gear because of driver's maloperation, avoids causing personal safety accident and gearbox to damage, and the security performance greatly improves.
Drawings
FIG. 1 is a prior art single lever shift operating schematic;
fig. 2 is a schematic view of a fixed gear arrangement of a shift guide hole in an embodiment of the present invention;
fig. 3 is a schematic top view of a first gear engaging control device according to a first embodiment of the present invention;
fig. 4 is a structural schematic diagram of an inverted state of the first embodiment of the present invention (the shift lever is not illustrated);
fig. 5 is a schematic plan view of a second gear engagement operating device according to an embodiment of the present invention;
fig. 6 is a structural schematic diagram of an inverted state of a second embodiment of the present invention (a shift lever is not illustrated);
fig. 7 is a schematic structural view of a reverse gear limiting mechanism in the second embodiment of the present invention;
in the figure: i-a gear cover; II, a movable gear mechanism; III, a reverse gear limiting mechanism;
1-a shifting guide plate; 10-strip-shaped gear shifting grooves; 101-blocking; 11-shift guide holes; a-fixed working gear; b-fixing the working gear; c-fixing the working gear; d-reverse gear; e-neutral; f-forward gear; g-forward gear; 21-positioning the shaft; 22-gear shifting block; 22 a-active operating gear; 22 b-active operating gear; 23-a sleeve; 24-a return spring; 25-a positioning sleeve; 31-a mounting seat; 32-a rotating shaft; 33-shift lever stopper plate; 331-arc extension anti-seize part; 34-a counterweight handle; 4-shift lever.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples.
Example one
As shown in fig. 3 and 4 in common, the shift operating device according to the first embodiment includes: keep off position cover I, gear level 4 and install the activity that keeps off position on keeping off position cover I and keep off position mechanism II.
As shown in fig. 2, a gear shifting guide hole 11 is formed in a gear shifting guide plate 1 of a gear cover I, two fixed operating gears, namely a fixed operating gear a and a fixed operating gear c, are arranged on one side of the gear shifting guide hole 11, the fixed operating gear a and the fixed operating gear c are respectively located at two ends of the gear shifting guide hole 11, and the positions of the fixed operating gear a and the fixed operating gear c are opposite. A forward gear f, a forward gear g, a neutral gear e and a reverse gear d are arranged on the other side of the gear shifting guide hole 11, and the reverse gear d is positioned at the end part of the gear shifting guide hole 11; the fixed working gear a, the fixed working gear c, the neutral gear e and the reverse gear d are all in a semi-arc shape matched with the peripheral surface of the gear shift lever 4.
As shown in fig. 3 and 4, the movable gear mechanism II is disposed below the shift gate 11, and the movable gear mechanism II has two movable working gears 22a and 22b, and the movable working gears 22a and 22b are located between the fixed working gear a and the fixed working gear c, where the movable working gear 22a is located opposite to the fixed working gear a, and the movable working gear 22b is located opposite to the fixed working gear c. Further, the movable operating position 22a and the movable operating position 22b are both in a semicircular arc shape adapted to the outer peripheral surface of the shift lever 4.
As shown in fig. 4, specifically, the active shift mechanism II in the present embodiment includes: positioning shaft 21, gear shifting block 22, sleeve 23, return spring 24 and positioning sleeve 25. The positioning shaft 21 is fixedly installed between two side plates of the gear cover I, and the two side plates are perpendicular to the gear shifting guide plate 1 and are fixedly arranged. The gear shifting block 22 is slidably mounted on the positioning shaft 21, the movable working gear 22a and the movable working gear 22b are respectively arranged on two sides of the gear shifting block 22, further, the gear shifting block 22 is welded and fixed with the sleeve 23, the sleeve 23 is slidably sleeved on the positioning shaft 21, and the gear shifting block 22 is slidably mounted on the positioning shaft 21 through the sleeve 23. Wherein, the reset spring 24 is used as a shifting block reset mechanism, and the two ends of the positioning shaft 21 are respectively sleeved with the reset springs 24.
The positioning shaft 21 is optimally designed to be a stepped shaft, the stepped shaft comprises a large-diameter section located in the middle and small-diameter sections located on two sides of the large-diameter section, the sleeve 23 is slidably sleeved on the large-diameter section, and a stepped surface is formed at the transition position of the large-diameter section and the small-diameter section; the small diameter section is located to reset spring 24 cover, still overlaps on the small diameter section to be equipped with slidable position sleeve 25 for promote and compression spring, restriction spring length, and a terminal surface of position sleeve 25 supports in the ladder face, and another terminal surface of position sleeve 25 supports in reset spring 24.
According to the gear engaging control device disclosed by the embodiment I, by additionally arranging the movable gear mechanism II, any movable working gear and any fixed working gear can be matched with the gear shifting rod 4, so that the gear shifting function is realized, the number of the working gears is increased, and the original design function of the gearbox is fully exerted; and when the gear level 4 and the activity work position are cooperated, can stir the activity work position and smoothly slide in the below of the guiding hole 11 that shifts, do not have the interference problem when the bar shifts the groove intermediate position and use among the prior art.
Example two
As shown in fig. 2, 5, 6 and 7, the second embodiment of the shift operating device is added with a reverse gear limiting mechanism III in addition to the first embodiment.
As shown in fig. 7, specifically, the reverse gear position limiting mechanism III in the present embodiment includes: mount 31, pivot 32, gear level stopper 33, counter weight hand (hold) 34. Wherein, the rotating shaft 32 is rotatably arranged relative to the gear shifting guide plate 1; more specifically, the rotating shaft 32 is rotatably arranged relative to the gear shift guide plate 1 through a mounting seat 31, the rotating shaft 32 is rotatably mounted on the mounting seat 31, and the mounting seat 31 is fixedly connected with a side plate of the gear cover I; alternatively, the mounting seat 31 is fixedly connected to the shift guide plate 1. The shift lever stopper 33 is located on one side of the rotating shaft 32, and one end of the shift lever stopper 33 is fixedly connected to the rotating shaft 32, as shown in fig. 5 and 6, the position of the shift lever stopper 33 corresponds to the reverse gear position d of the shift guide hole 11. The weight handle 34 is located on the other side of the rotating shaft 32 and is fixedly connected to the end of the rotating shaft 32, and the weight handle 34 is opposite to the position of the shift lever limiting plate 22. The other end of the shift lever stopper plate 33 is further provided with an arc-shaped extending anti-jamming portion 331 for preventing jamming of the shift lever 4, so as to ensure smooth sliding of the shift lever 4 into the fixed operating position c.
Need be at non-reverse gear position during operation, whole reverse gear stop gear III is in balanced state, and gear level limiting plate 33 is the level, shelters from reverse gear position d, prevents to slide gear level 4 to reverse gear position d because of driver's maloperation, avoids causing personal safety accident and gearbox to damage, and security performance and performance improve greatly.
When the gear shifting device works at the reverse gear position, the counterweight handle 34 is lifted, the rotating shaft 32 drives the gear shifting lever limiting plate 33 to rotate downwards, the gear shifting lever limiting plate 33 leaves the reverse gear d, the gear shifting lever 4 is shifted, the gear shifting lever 4 can slide into the reverse gear d, and the reverse gear is hung.
When the reverse gear needs to be withdrawn, the gear lever 4 is shifted, the reverse gear d is withdrawn, the gear lever limiting plate 33 automatically resets under the action of gravity of the counterweight handle 34, and the whole reverse gear limiting mechanism III is in a balanced state again.
The utility model discloses a put into gear controlling device is particularly useful for small-size agricultural machine such as rotary cultivator, machine, rural area supervisor a little, can improve the security performance and the performance of this type of small-size agricultural machine greatly.
The foregoing is an example of the preferred embodiment of the present invention, and those parts not described in detail are known to those skilled in the art, and the scope of the present invention is defined by the appended claims, and all equivalent changes that can be made based on the teachings of the present invention are within the scope of the present invention.
Claims (10)
1. Gear engagement operating device, characterized in that gear engagement operating device includes:
the gear shifting guide plate is provided with a gear shifting guide hole, one side of the gear shifting guide hole is provided with two fixed working gears, the two fixed working gears are respectively positioned at two ends of the gear shifting guide hole, and the two fixed working gears are opposite in position;
the activity keeps off position mechanism, the activity keep off position mechanism set up in the below of the guiding hole of shifting, the activity keeps off position mechanism and has two mobilizable activity work and keeps off the position, two the activity work keeps off the position and is located two between the fixed work keeps off the position, one of them the activity work keeps off the position and one of them the position that fixed work kept off the position is relative, another the activity work keeps off the position and another the position that fixed work kept off the position is relative.
2. The gear shifting apparatus of claim 1, wherein the movable gear mechanism comprises:
the positioning shaft is fixedly arranged between the two side plates, and the two side plates are perpendicular to the gear shifting guide plate and are fixedly arranged;
the gear shifting block is slidably mounted with the positioning shaft, and the two sides of the gear shifting block are respectively provided with the movable working gears.
3. The gear shifting device according to claim 2, wherein a sleeve is fixedly connected to the gear shifting block, and the sleeve is slidably sleeved on the positioning shaft.
4. The gear shifting apparatus of claim 3, wherein the movable gear mechanism further comprises: and the shifting block resetting mechanism comprises a resetting spring which is sleeved at the two ends of the positioning shaft.
5. The shift operating device according to claim 4, wherein the positioning shaft is a stepped shaft including a large diameter section at a middle portion and small diameter sections at both sides of the large diameter section, and a stepped surface is formed at a transition between the large diameter section and the small diameter section; reset spring cover is located the path section, still the cover is equipped with slidable position sleeve on the path section, a terminal surface of position sleeve support in the ladder face, another terminal surface of position sleeve support in reset spring.
6. The shift operating device according to claim 1, wherein a forward gear position, a neutral gear position, and a reverse gear position are provided at the other side of the shift guide hole, and the reverse gear position is located at an end of the shift guide hole; the fixed working gear, the movable working gear, the neutral gear and the reverse gear are all in a semi-circular arc shape matched with the peripheral surface of the gear shifting rod.
7. The gear shifting device according to any of claims 1 to 6, characterized in that it is further provided with a reverse gear limiting mechanism.
8. The gear shifting apparatus of claim 7, wherein the reverse gear limiting mechanism comprises: the rotating shaft is rotatably arranged relative to the gear shifting guide plate;
the gear shifting guide hole is arranged on the gear shifting guide plate, and the gear shifting guide hole is arranged on the gear shifting guide plate;
the counterweight handle is positioned on the other side of the rotating shaft and connected with the end part of the rotating shaft, and the counterweight handle is opposite to the gear shift lever limiting plate;
when the gear is not reversed, the gear lever limiting plate shields the reverse gear; when the reverse gear is hung, the counterweight handle is rotated, the rotating shaft drives the gear shift lever limiting plate to rotate, the reverse gear is separated, and the gear shift lever is hung in the reverse gear.
9. The shift operating device according to claim 8, wherein the other end of the lever stopper plate is provided with an arc-shaped extending anti-seizing portion for preventing the lever from seizing.
10. The shift operating device according to claim 8, wherein the reverse gear limiting mechanism further comprises a mounting seat, the rotating shaft is rotatably mounted on the mounting seat, and the mounting seat is fixedly connected with the gear shifting guide plate; or both sides of the gear shifting guide plate are respectively and fixedly provided with a side plate perpendicular to the gear shifting guide plate, and the mounting seat is fixedly connected with one side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263386.6U CN211145315U (en) | 2019-12-14 | 2019-12-14 | Gear engaging control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263386.6U CN211145315U (en) | 2019-12-14 | 2019-12-14 | Gear engaging control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145315U true CN211145315U (en) | 2020-07-31 |
Family
ID=71754613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922263386.6U Active CN211145315U (en) | 2019-12-14 | 2019-12-14 | Gear engaging control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145315U (en) |
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2019
- 2019-12-14 CN CN201922263386.6U patent/CN211145315U/en active Active
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