CN104847884A - 12-Gear manipulator of semiautomatic transmission of heavy truck - Google Patents
12-Gear manipulator of semiautomatic transmission of heavy truck Download PDFInfo
- Publication number
- CN104847884A CN104847884A CN201510244753.1A CN201510244753A CN104847884A CN 104847884 A CN104847884 A CN 104847884A CN 201510244753 A CN201510244753 A CN 201510244753A CN 104847884 A CN104847884 A CN 104847884A
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- Prior art keywords
- gear
- shift
- shaft
- impeller
- normally opened
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- 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.)
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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
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/044—Ratio selector apparatus consisting of electrical switches or sensors
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
Abstract
The invention discloses a 12-gear manipulator of a semiautomatic transmission of a heavy truck. The 12-gear manipulator comprises a base plate, a housing, a cover plate, a shifting lever, a hand ball, and a gear selecting signal generation device and a gear shifting signal generation device both mounted in the housing; a crossed hinged shaft arranged horizontally is mounted in the housing; the gear selecting signal generation device and the gear shifting signal generation device are connected with the shaft ends of the gear shifting shaft and the gear selecting shaft of the crossed hinged shaft, respectively; a mounting plate is arranged horizontally in the middle of the housing; four bearing blocks capable of being arranged into a rectangular shape are fixedly mounted on the upper surface of the mounting plate; the four shaft ends of the crossed hinged shaft are connected with the bearing blocks by use of bearings; the shifting lever is manipulated to drive the gear shifting shaft and the gear selecting shaft to rotate; no mechanical connection structure needs to be arranged between the manipulating device and the transmission, and the manipulating device and the transmission are just connected with a single chip by use of signal wires, respectively; as a result, the labor intensity is reduced, the operation accuracy rate is increased and the fault rate is reduced.
Description
Technical field
The present invention relates to heavy-duty car gear change technical field, particularly relate to a kind of heavy-duty car semi-automatic transmission device 12 grades of manipulators.
Background technique
Current manual transmission particularly many grades of manual transmission vehicles requires that driver's buty shifting is to meet the needs of engine power in the process of moving, so just causes a large amount of consumption of driver's muscle power, easily occurs missed shift or change situation about not performing.In order to overcome above-mentioned deficiency, automatic mechanical transmission is have employed in existing vehicle, it increases automatic shift system on the basis of the fixing shaft type transmission system of step type machinery, by electronic control gear-selecting-shifting mechanism, thus replaces manpower to complete gear selecting and gear shift.
Automatic mechanical transmission, by driving the source of power different, can be divided into electrically controlled and hydraulically formula, electric-controlled pneumatic type and motor powered formula.Although automatic mechanical transmission can both replace manpower to complete gear selecting and gear shift work, motor powered formula is due to gear selecting actuator and gear-shifting actuating mechanism independence separately, and structure is not compact, causes transmission efficiency low, selects the poor reliability of gear shift.
In addition, low-grade automobile and engineering machine vehicle all adopt manual mostly, and traditional manual speed changing structure is very simple, only include gear shifting handle and pull bar and pushing-pulling flexible shaft and shift fork, driver, by Joystick, changes the velocity ratio of gear drive, realize the gear shift of these Motor Vehicle, due to gear shift manually-operable, act frequently, labor intensity is large, often due to misoperation, make gear shift inaccurate, flexible axle and sheath wear and tear excessive, and failure frequency is high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of heavy-duty car semi-automatic transmission device 12 grades of manipulators, shift shaft and shift selection shaft is driven to rotate by handling lever, rotating drive shift signal generating means and the selective stage signal generating means of shift shaft and shift selection shaft send pulse signal, pulse signal transmission realizes semi-automatic transmission to Single-chip Controlling speed change gear, without the need to arranging mechanical connecting structure between manipulator and speed change gear, only signaling line need be used to be connected with single-chip microcomputer respectively, reduce labor intensity, improve operation accuracy rate, reduce rate of fault.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of heavy-duty car semi-automatic transmission device 12 grades of manipulators, comprise base plate, housing, cover plate, lever, handball and the selective stage signal generating means be arranged in housing and shift signal generating means, described selective stage signal generating means comprises the gear selecting impeller being fixedly mounted on shift selection shaft end and the gear selecting sensitive switch group coordinated with gear selecting impeller outer rim, gear selecting sensitive switch group comprises three covers and is positioned at normally opened contact formula sensitive switch immediately below shift selection shaft, three cover normally opened contact formula sensitive switches are arranged on mounting plate lower surface along the length direction of shift selection shaft successively, and its contact is arranged through mounting plate, be provided with along three uniform projections of its axis in the middle part of described gear selecting impeller outer rim, axial distance between three projections equals the spacing that three cover normally opened contacts decline between dynamic switch contact, described three projections are located in the middle part of gear selecting impeller outer rim, and adjacent two projections are degree angle relative to the axis of gear selecting impeller, described handball is provided with the high low speed throw over switch be connected with gearbox control end.
Described shift signal generating means comprises the gear shift impeller be fixedly mounted on the side minor axis of shift shaft, be arranged on the umbrella gear on mounting plate upper surface, be arranged on the rotating shaft on umbrella gear lower surface and divide the gear shift sensitive switch group being located at rotating shaft both sides, described umbrella gear is installed in through hole on a mounting board by means of bearing, described gear shift impeller arranges with on umbrella gear opposite flank the ring gear engaged with umbrella gear, below described mounting plate, supporting base is set, described rotating shaft lower end is connected with supporting base by means of thrust bearing, described main shaft both sides set up two pieces of risers separately, two pieces of riser arranged outside, two groups of normally opened contact formula sensitive switches, often organize normally opened contact formula sensitive switch and comprise the two cover normally opened contact formula sensitive switches arranged along riser height direction, the contact of normally opened contact formula sensitive switch is arranged through riser, described rotating shaft is fixed with the shifting cam group arranged along its axial direction, the outer edge surface of described shifting cam group and the contact of normally opened contact formula sensitive switch.
Also supporting installation resetting-mechanism on described shift selection shaft, it comprises the reset impeller being arranged on the other one end of shift selection shaft with gear selecting impeller symmetry and the resetting block be arranged on mounting plate upper surface, described gear selecting impeller inner side surface arranges groove, described resetting block is concordant with gear selecting impeller inner side surface, and described resetting block and gear selecting impeller arrange elastic lock tongue on opposite.
Described mounting plate is also provided with reverse gear limited ring, described reverse gear limited ring is arranged on the U-shaped below of shift shaft and its upper surface is recessed spherical crown surface, in the middle part of it, rectangular indentation is set, two side elevations that rectangular indentation is vertical with shift shaft are arranged to projecting inward arc bump.
Also comprise reverse gear locking device, it comprises the pull bar that level is installed the slide block in handball, the button being arranged on slide block outer end, bow that level is arranged on slide block the inner and is arranged on inside lever, described pull bar lower end is through the rectangular indentation being positioned at reverse gear limited ring after gear shift shifting block, pull bar upper end is hung on bow, inside described lever, sleeve pipe is set, described pull bar and casing tube internal hole are slidably matched, when lever is positioned at neutral position, pull bar lower end is corresponding with the arc bump position arranged upper inside the both sides of rectangular indentation.
The beneficial effect adopting technique scheme to produce is: drive shift shaft and shift selection shaft to rotate by handling lever, between shift shaft and shift selection shaft, split is set to cross hinge axle construction, when lever swings, shift selection shaft can be driven to rotate, lever lower end is movable in the arc slotted hole of the U-groove bevel of shift shaft, shift shaft keeps motionless, during lever swing, due to hinged between its underpart and shift selection shaft, shift selection shaft is motionless, it drives by gear shift impeller and umbrella gear the axis of rotation being used for gear shift, rotating drive shift signal generating means and the selective stage signal generating means of shift shaft and shift selection shaft send pulse signal, pulse signal transmission realizes semi-automatic transmission to Single-chip Controlling speed change gear, without the need to arranging mechanical connecting structure between manipulator and speed change gear, only signaling line need be used to be connected with single-chip microcomputer respectively, reduce labor intensity, improve operation accuracy rate, reduce rate of fault, three covers are used for the normally opened contact formula sensitive switch of gear selecting when lever swings corresponding angle, send pulse signal, during lever swing, rotated by gear shift impeller drive shaft, pulse signal is sent with the sensitive switch open in usual for gear shift that rotating shaft is supporting, two pulse signals send single-chip microcomputer to, single-chip microcomputer judges gear according to signal, three covers are used for the normally opened contact formula sensitive switch of gear selecting and two covers and are used for the normally opened contact formula sensitive switches of gear shift and form 6 forward gearss and a reverse gear, handball arranges high low speed throw over switch, selected at a high speed and low speed by switch, and by signal transmission to the gearbox with the high low speed of adjustment automatically, gearbox automatic switchover high gear group and low speed gear group, 12 grades of manipulators with 12 forward gearss and height two reverse gears can be formed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is inventive shell internal structure schematic diagram;
Fig. 3 is the other direction structural representation of Fig. 2;
Fig. 4 is structural representation when installing cover plate;
Fig. 5 is shift shaft and shift selection shaft position relationship schematic diagram;
Fig. 6 is reverse gear locking device structural representation;
Fig. 7 is button and slide block mounting structure schematic diagram;
In the accompanying drawings: 1, base plate; 2, housing; 3, cover plate; 4, bulb; 5, lever; 6, rubber base; 7, bearing support; 8, cross hinge; 9, reverse gear limited ring; 10, umbrella gear; 11, reset soon; 12, gear shift sensitive switch group; 13, rotating shaft; 14, supporting base; 15, gear shift impeller; 16, gear selecting impeller; 17, gear selecting sensitive switch group; 18, mounting plate; 19, reset impeller; 20, pull bar; 21, transfer block; 22, button; 23, slide block; 24, bow; 25, sleeve pipe; 26, shift shaft; 27, shift selection shaft; 28, gear shift shifting block; 29, high low speed throw over switch.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
For the manipulator solved in existing heavy-duty car shift control system uses effort, the problems such as easy generation mechanical failure, the invention provides a kind of heavy-duty car semi-automatic transmission device 12 grades of manipulators, comprise base plate 1, housing 2, cover plate 3, lever 5, handball 4 and the selective stage signal generating means be arranged in housing 2 and shift signal generating means are see accompanying drawing 1-4, described selective stage signal generating means comprises the gear selecting impeller 16 being fixedly mounted on shift selection shaft 27 end and the gear selecting sensitive switch group 17 coordinated with gear selecting impeller 16 outer rim, gear selecting sensitive switch group 17 comprises three covers and is positioned at normally opened contact formula sensitive switch immediately below shift selection shaft 27, three cover normally opened contact formula sensitive switches are arranged on mounting plate 18 lower surface along the length direction of shift selection shaft 27 successively, and its contact is arranged through mounting plate 18, be provided with along three uniform projections of its axis in the middle part of described gear selecting impeller 16 outer rim, axial distance between three projections equals the spacing that three cover normally opened contacts decline between dynamic switch contact, described three projections are located in the middle part of gear selecting impeller 16 outer rim, and adjacent two projections are 20 degree of angles relative to the axis of gear selecting impeller 16, described handball is provided with the high low speed throw over switch be connected with gearbox control end.
Described shift signal generating means comprises the gear shift impeller 15 be fixedly mounted on the side minor axis of shift shaft 26, be arranged on the umbrella gear 10 on mounting plate 18 upper surface, be arranged on the rotating shaft 13 on umbrella gear 10 lower surface and divide the gear shift sensitive switch group 12(being located at rotating shaft 13 both sides see accompanying drawing 5-6), described umbrella gear 10 is arranged in the through hole on mounting plate 18 by means of bearing, described gear shift impeller 15 arranges with on umbrella gear 10 opposite flank the ring gear engaged with umbrella gear 10, below described mounting plate 18, supporting base 14 is set, described rotating shaft 13 lower end is connected with supporting base 14 by means of thrust bearing, described main shaft both sides set up two pieces of risers separately, two pieces of riser arranged outside, two groups of normally opened contact formula sensitive switches, often organize normally opened contact formula sensitive switch and comprise the two cover normally opened contact formula sensitive switches arranged along riser height direction, the contact of normally opened contact formula sensitive switch is arranged through riser, described rotating shaft 13 is fixed with the shifting cam group arranged along its axial direction, the outer edge surface of described shifting cam group and the contact of normally opened contact formula sensitive switch.
Also supporting installation resetting-mechanism on described shift selection shaft 27, it comprises the reset impeller 19 being arranged on the other one end of shift selection shaft 27 with gear selecting impeller 16 symmetry and the resetting block 11 be arranged on mounting plate 18 upper surface, described gear selecting impeller 16 inner side surface arranges groove, described resetting block 11 is concordant with gear selecting impeller 16 inner side surface, and described resetting block 11 arranges elastic lock tongue with gear selecting impeller 16 on opposite.
Described mounting plate 18 is also provided with reverse gear limited ring 9, described reverse gear limited ring 9 is arranged on the U-shaped below of shift shaft 26 and its upper surface is recessed spherical crown surface, in the middle part of it, rectangular indentation is set, two side elevations that rectangular indentation is vertical with shift shaft 26 are arranged to projecting inward arc bump.
Also comprise reverse gear locking device (see accompanying drawing 7), it comprises the slide block 23 in level installation handball 4, be arranged on the button 22 of slide block 23 outer end, the bow 24 that level is arranged on slide block 23 the inner and the pull bar 20 be arranged on inside lever 5, described pull bar 20 lower end is through the rectangular indentation being positioned at reverse gear limited ring 9 after gear shift shifting block 28, pull bar 20 upper end is hung on bow 24, inside described lever 5, sleeve pipe 25 is set, described pull bar 20 is slidably matched with sleeve pipe 25 endoporus, when lever 5 is positioned at neutral position, pull bar 20 lower end is corresponding with the arc bump position arranged upper inside the both sides of rectangular indentation.
In concrete using process, gear selecting sensitive switch group of the present invention arranges four cover normally opened contact formula sensitive switches, gear selecting cam arranges three projections, angle between three projections is 20 degree, lever can swing a position left at neutral position, swing two positions to the right, neutral position is neutral, all there is the normally opened contact formula sensitive switch of a projection compressing corresponding position to close in each position, a selected gear, and gear signal is passed to single-chip microcomputer, after lever is rocked to a gear selection position left or to the right, during forward rocking motion, drive shift shaft rotates, gear shift impeller rotates, and drive umbrella gear and axis of rotation, rotating shaft is installed two cover cam set, cam set is double-lift cam group, the position of two cover cam set is located at two in vertical plates on both sides to overlap normally opened contact formula sensitive switch corresponding with dividing, and two of cam set boss are all positioned at rotating shaft the same side, when lever forward rocking motion, axis of rotation angle, a protruding normally opened contact formula sensitive switch compressing respective side of cam mounted thereto, side normally opened contact formula sensitive switch is in off state in addition, when lever swings backward, rotating shaft rotates backward, closed other side normally opened contact formula sensitive switch, and by signal transmission to single-chip microcomputer, judged the executive process of speed change gear according to the signal of gear shift sensitive switch group and gear selecting sensitive switch group by single-chip microcomputer, in the present invention, also reverse gear locking device is set, when hanging reverse gear, need with hand, the button on handball inwardly to be pressed, when pressing the button, slide block slides in handball, bow is with slide block movement, pull bar upper end and bow are slidably matched, in bow sliding process, order about pull bar to move upward, now, pull bar lower end departs from reverse gear limited ring, direct forward rocking motion lever, and stir shift shaft rotation, the cam corresponding by reverse gear in rotating shaft and normally opened contact formula sensitive switch transmit reverse range signal to single-chip microcomputer, selected reverse gear, relative two covers in top in gear shift sensitive switch group are used for selected forward gears, overlap normally opened contact formula sensitive switch with three in gear shift sensitive switch group and form six forward gearss and a reverse gear, a set of normally opened contact formula sensitive switch of below is positioned at for selected reverse gear in gear shift sensitive switch group, common formation 7 grades of manipulators, after handball arranges high low speed throw over switch, the variable-speed manipulator with 12 forward gearss and high low speed two reverse gears can be formed.
In a word, the present invention drives shift shaft and shift selection shaft to rotate by handling lever, between shift shaft and shift selection shaft, split is set to cross hinge axle construction, when lever swings, shift selection shaft can be driven to rotate, lever lower end is movable in the arc slotted hole of the U-groove bevel of shift shaft, shift shaft keeps motionless, during lever swing, due to hinged between its underpart and shift selection shaft, shift selection shaft is motionless, its lower end gear shift shifting block is stirred shift shaft and is rotated, rotating drive shift signal generating means and the selective stage signal generating means of shift shaft and shift selection shaft send pulse signal, pulse signal transmission realizes semi-automatic transmission to Single-chip Controlling speed change gear, without the need to arranging mechanical connecting structure between manipulator and speed change gear, only signaling line need be used to be connected with single-chip microcomputer respectively, reduce labor intensity, improve operation accuracy rate, reduce rate of fault.
Claims (5)
1. a heavy-duty car semi-automatic transmission device 12 grades of manipulators, comprise base plate (1), housing (2), cover plate (3), lever (5), handball (4) and the selective stage signal generating means be arranged in housing (2) and shift signal generating means, it is characterized in that: described selective stage signal generating means comprises the gear selecting impeller (16) being fixedly mounted on shift selection shaft (27) end and the gear selecting sensitive switch group (17) coordinated with gear selecting impeller (16) outer rim, gear selecting sensitive switch group (17) comprises four covers and is positioned at normally opened contact formula sensitive switch immediately below shift selection shaft (27), three cover normally opened contact formula sensitive switches are arranged on mounting plate (18) lower surface along the length direction of shift selection shaft (27) successively, and its contact is arranged through mounting plate (18), be provided with in the middle part of described gear selecting impeller (16) outer rim along three uniform projections of its axis, axial distance between three projections equals the spacing that three cover normally opened contacts decline between dynamic switch contact, described three projections are located in the middle part of gear selecting impeller (16) outer rim, and adjacent two projections are 20 degree of angles relative to the axis of gear selecting impeller (16), described handball is provided with the high low speed throw over switch be connected with gearbox control end.
2. heavy-duty car semi-automatic transmission device according to claim 1 12 grades of manipulators, it is characterized in that: described shift signal generating means comprises the gear shift impeller (15) on the side minor axis being fixedly mounted on shift shaft (26), be arranged on the umbrella gear (10) on mounting plate (18) upper surface, be arranged on the rotating shaft (13) on umbrella gear (10) lower surface and divide the gear shift sensitive switch group (12) being located at rotating shaft (13) both sides, described umbrella gear (10) is arranged in the through hole on mounting plate (18) by means of bearing, described gear shift impeller (15) with umbrella gear (10) opposite flank is arranged the ring gear engaged with umbrella gear (10), described mounting plate (18) below arranges supporting base (14), described rotating shaft (13) lower end is connected with supporting base (14) by means of thrust bearing, described main shaft both sides set up two pieces of risers separately, two pieces of riser arranged outside, two groups of normally opened contact formula sensitive switches, often organize normally opened contact formula sensitive switch and comprise the two cover normally opened contact formula sensitive switches arranged along riser height direction, the contact of normally opened contact formula sensitive switch is arranged through riser, described rotating shaft (13) is fixed with the shifting cam group arranged along its axial direction, the outer edge surface of described shifting cam group and the contact of normally opened contact formula sensitive switch.
3. heavy-duty car semi-automatic transmission device according to claim 2 12 grades of manipulators, it is characterized in that: the upper also supporting installation resetting-mechanism of described shift selection shaft (27), it comprises the reset impeller (19) being arranged on the other one end of shift selection shaft (27) with gear selecting impeller (16) symmetry and the resetting block (11) be arranged on mounting plate (18) upper surface, described gear selecting impeller (16) inner side surface arranges groove, described resetting block (11) is concordant with gear selecting impeller (16) inner side surface, described resetting block (11) and gear selecting impeller (16) arrange elastic lock tongue on opposite.
4. heavy-duty car semi-automatic transmission device according to claim 3 12 grades of manipulators, it is characterized in that: described mounting plate (18) is also provided with reverse gear limited ring (9), described reverse gear limited ring (9) is arranged on the U-shaped below of shift shaft (26) and its upper surface is recessed spherical crown surface, in the middle part of it, rectangular indentation is set, two side elevations that rectangular indentation is vertical with shift shaft (26) are arranged to projecting inward arc bump.
5. heavy-duty car semi-automatic transmission device according to claim 4 12 grades of manipulators, it is characterized in that: also comprise reverse gear locking device, it comprises the slide block (23) in level installation handball (4), be arranged on the button (22) of slide block (23) outer end, level is arranged on the inner bow (24) of slide block (23) and is arranged on the pull bar (20) of lever (5) inner side, described pull bar (20) lower end is through the rectangular indentation being positioned at reverse gear limited ring (9) after gear shift shifting block (28), pull bar (20) upper end is hung on bow (24), described lever (5) inner side arranges sleeve pipe (25), described pull bar (20) and sleeve pipe (25) endoporus are slidably matched, when lever (5) is positioned at neutral position, pull bar (20) lower end is corresponding with the arc bump position arranged upper inside the both sides of rectangular indentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510244753.1A CN104847884A (en) | 2015-05-14 | 2015-05-14 | 12-Gear manipulator of semiautomatic transmission of heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510244753.1A CN104847884A (en) | 2015-05-14 | 2015-05-14 | 12-Gear manipulator of semiautomatic transmission of heavy truck |
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| Publication Number | Publication Date |
|---|---|
| CN104847884A true CN104847884A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510244753.1A Pending CN104847884A (en) | 2015-05-14 | 2015-05-14 | 12-Gear manipulator of semiautomatic transmission of heavy truck |
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| CN (1) | CN104847884A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307066A (en) * | 2018-10-17 | 2019-02-05 | 邢台威力汽车零部件有限公司 | A kind of automobile does not step on the operating system that clutch is put into gear |
| CN110469660A (en) * | 2018-10-17 | 2019-11-19 | 邢台威力汽车零部件有限公司 | A kind of automobile Shift lever oncontacting induction mechanism |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307066A (en) * | 2018-10-17 | 2019-02-05 | 邢台威力汽车零部件有限公司 | A kind of automobile does not step on the operating system that clutch is put into gear |
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Application publication date: 20150819 |
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| RJ01 | Rejection of invention patent application after publication |