CN102494120A - Novel gear selecting and shifting mechanism assembly for speed changer - Google Patents
Novel gear selecting and shifting mechanism assembly for speed changer Download PDFInfo
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- CN102494120A CN102494120A CN2011104408181A CN201110440818A CN102494120A CN 102494120 A CN102494120 A CN 102494120A CN 2011104408181 A CN2011104408181 A CN 2011104408181A CN 201110440818 A CN201110440818 A CN 201110440818A CN 102494120 A CN102494120 A CN 102494120A
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Abstract
The invention discloses a novel gear selecting and shifting mechanism assembly for a speed changer. The novel gear selecting and shifting mechanism assembly comprises a small cover assembly and a shifting fork shaft assembly, wherein the small cover assembly comprises a self-locking mechanism, an interlocking mechanism and a neutral gear and reverse gear signal selecting device; six gear shifting positions are set in the shifting fork shaft assembly; the self-locking mechanism consists of a self-locking pin shaft and a fan-shaped self-locking block; the interlocking mechanism consists of a fork-shaped interlocking fork; the small cover assembly comprises a small cover shell, a gear shifting shaft, a sensor driving ring, a driving pin, a fan-shaped self-locking block, a gear shifting head, a centering base ring, a distance ring, a centering spring, the self-locking pin shaft and the interlocking fork; the shifting fork shaft assembly comprises a shifting fork shaft, a shifting block, a shifting fork and a friction plate; the friction plate is arranged in a fork pin of the shifting fork and is compressed with the surface of the shifting fork tightly; and a synchronizer sliding disc is arranged in a fork pin groove of the shifting fork. Compared with the prior art, the novel gear selecting and shifting mechanism assembly has the advantage that in the gear shifting process, a friction material can buffer impact when the synchronizer sliding disc is shifted by the shifting fork, so that gears is shifted stably.
Description
Technical field
The present invention relates to a kind of speed variator gear shift mechanism assembly, belong to the auto parts and components field.
Background technique
The speed changer of two jack shaft structures has advantages such as compact structure, transmitting torque is big, the life-span is long; Be widely used in medium and heavy truck; At present two jack shaft structure speed changer main tanks great majority use the sliding sleeves gearshift, the gearshift difficulty that the sliding sleeve gearshift makes, driver's driving technology are had relatively high expectations.Newly design the twin countershaft transmission that the main tank synchronizer is shifted gears to our company, on the basis of existing gear shift mechanism, do adaptive development, obtain new work transmission gear shift mechanism assembly.
Summary of the invention
Technical problem to be solved by this invention provides a kind of gearshift of easy and simple to handle, reliable and stable.
For solving this technical problem, the invention provides a kind of new work transmission gear shift mechanism assembly, comprise little cap assembly and declutch shift shaft assembly, comprise self-locking mechanism, mutual interlocking gear, neutral and reverse gear signal selecting device in the said little cap assembly; Constitute by three declutch shift shaft unit assemblies in the said declutch shift shaft assembly, six drive ranges are set, the friction plate that new-type friction material is processed is installed on the shift fork of declutch shift shaft unit;
Said self-locking mechanism is made up of self-locking bearing pin and fan-shaped self-locking block;
Said mutual interlocking gear is made up of the interlock fork of fork-shaped.
Said little cap assembly comprises tegillum housing, gearshift axle, sensor drive ring, drive pin, fan-shaped self-locking block, gear shift head, fixed middle seat, spacer ring, centering spring, self-locking bearing pin and interlock fork;
Said sensor drive ring, gear shift head and gearshift axle assembling one can move axially with the gearshift axle; Said fan-shaped self-locking is fast to rely on a drive pin to connect with the gearshift axle, and the fan-shaped self-locking block axle of shifting gears relatively can move axially with a gearshift rotation;
Said two fixed middle seat rings and spacer ring are fixed at following gearshift axle of the effect of centering spring and tegillum housing, realize neutral gear position;
Said interlock fork sky is enclosed within gearshift axle with above the self-locking bearing pin, can move axially with gearshift but can not rotate.
Said declutch shift shaft assembly is made up of three declutch shift shaft unit assemblies, and said declutch shift shaft unit assembly comprises declutch shift shaft, sets ahead, shift fork and friction plate, and said declutch shift shaft, shifting block, shift fork are riveted together through pin;
Said declutch shift shaft is installed in the case of transmission shift fork axis hole, but axial motion;
Said friction plate is installed in the fork pin of shift fork, compresses with the surface of shift fork;
The synchronizer slider disc is installed in the fork pin groove of said shift fork.
Said friction plate is the stereochemical structure of two sideband bendings.
Said friction plate adopts alloy-layer ZCupb10Sn10 steel backing 10GB10451.
Beneficial effect: the present invention compared with prior art, integrated auto-lock function, interlocking function, neutral, the signal that reverses gear are chosen in the little cap assembly, compact structure, it is light to shift gears; Selector fork is provided with the friction plate available buffer and impacts, and avoided contacting of shift fork and shifting part steel to steel, increased both life-spans, makes shift process more steady.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a tegillum assembly structure schematic representation of the present invention;
Fig. 3 a is that four, five retainings of the present invention select gear to put schematic representation;
Fig. 3 b is that two, three retainings of the present invention select gear to put schematic representation;
Fig. 3 c be of the present inventionly fall, a retaining selects gear to put schematic representation;
Fig. 4 is a gear schematic representation of the present invention;
Fig. 5 chooses schematic representation for neutral signal of the present invention;
Fig. 6 is a declutch shift shaft assembly structure schematic representation of the present invention;
Fig. 7 is a shift fork friction plate part-structure schematic representation.
Among the figure: A-tegillum assembly B-declutch shift shaft assembly
1 gearshift axle; 2 sensor drive rings; 3 drive pins; 4 fan-shaped self-locking blocks; 5 neutral sensor ejector pins; 6 neutral pressure switches (normally closed); 7 tegillum housings; 8 gearshift heads; 9 fixed middle seat rings; 10 spacer rings; 11 centering springs; 12 self-locking bearing pins; 13 self-locking springs; 14 interlock forks; 15 pressure switches (often opening) of reversing gear; The 16 sensor ejector pins that reverse gear; 17 rocking arms; 18 (fall; One works as) declutch shift shaft unit assembly; 19 (two; Three retainings) declutch shift shaft unit assembly; 20 (four; Five retainings) declutch shift shaft unit assembly; 21 declutch shift shafts; 22 shifting blocks; 23 shift forks; 24 friction plates.
Embodiment
Newly design the twin countershaft transmission of main tank synchronizer gearshift to our company; On the basis of existing gear shift mechanism; Do adaptive development; Obtain new work transmission gearshift assembly, promptly when the speed changer main tank adopts the synchronizer gearshift, can make speed changer select shift process reliable, light, steady.
Below in conjunction with accompanying drawing and embodiment the present invention is done specific descriptions.
Shown in Figure 1 is structural representation of the present invention.
The invention provides a kind of new work transmission gear shift mechanism assembly, comprise tegillum assembly A and declutch shift shaft assembly B.
Tegillum assembly A partly accomplishes choosing, shift control, and declutch shift shaft assembly B partly accomplishes the manipulation of putting into gear.
Fig. 2 is a tegillum assembly structure schematic representation of the present invention.
Said little cap assembly comprise tegillum housing 7, gearshift axle 8, sensor drive ring 2, drive pin 3, fan-shaped self-locking block 4, gear shift 8, fixed in seat ring 9, spacer ring 10, centering spring 11, self-locking bearing pin 12 and interlock fork 14.
A said sensor drive ring 2, gear shift 8 and gearshift axle 1 an assembling one can move axially with gearshift axle 1.
Said fan-shaped self-locking fast 4 relies on drive pin 3 to connect with gearshift axle 1, and fan-shaped self-locking block 4 gearshift axle 1 relatively can move axially, with 1 rotations of gearshift axle.
Said two fixed middle seat rings 9 are fixed the realization neutral gear position with spacer ring 10 at following gearshift axle 1 of effect of centering spring 11 and tegillum housing 7.
Said interlock fork 14 skies are enclosed within gearshift axle 1 with above the self-locking bearing pin 12, can move axially with gearshift 8, but can not rotate.
Self-locking mechanism has just been realized putting into gear by a self-locking bearing pin 12 and a fan-shaped self-locking block 4 and has been locked and the neutral lock function.
Mutual interlocking gear is realized the gear interlockings by the interlock fork of a fork-shaped 14, and gearshift 8 is single shifting block structure.
Fig. 6 is a declutch shift shaft assembly structure schematic representation of the present invention.
Said declutch shift shaft assembly is made up of three declutch shift shaft unit assemblies 18,19,20, is provided with six drive ranges.
Said declutch shift shaft unit assembly 18,19,20 comprises declutch shift shaft 21, shifting block 22, shift fork 23 and friction plate 24, and said declutch shift shaft 21, shifting block 22, shift fork 23 are riveted together through pin.
The friction plate 24 that new-type friction material is processed is installed on the said shift fork 23.
Said declutch shift shaft 21 is installed in the case of transmission shift fork axis hole, but axial motion.
Fig. 7 is a shift fork friction plate part-structure schematic representation.
Said friction plate 24 is the stereochemical structure of two sideband bendings.
Said friction plate 24 is installed in the fork pin of shift fork 23, requires the friction plate 24 and the surface of shift fork 23 to compress during installation.
The synchronizer slider disc is installed in the fork pin groove of said shift fork 23.
Said friction plate 24 adopts alloy-layer ZCupb10Sn10 steel backing 10GB10451, and this material lifetime is long, and the ability shock absorbing, can make gearshift steadily.
Select the shift control process following:
Block selecting position shown in the accompanying drawing 2 is the position (shown in Fig. 3 b) of two, three retainings, falls in choosing, during a retaining (shown in Fig. 3 c), and choosing gearshift rocking arm 17 moves right vertically, is being with gearshift axle 1 to move together; Seat ring 9 during 1 promotion of gearshift axle is fixed, compression centering spring 11 is when two fixed middle seat ring 9 end faces are met; Two, three retaining neutral gear positions are left in gearshift 8, arrive, a gear puts, and sensor drive ring 2 is with gearshift axle 1 position of sensor ejector pin 16 of reversing gear that moves right; At this moment, select gearshift rocking arm 17 to rotate, drive gearshift 8 rotation; Drive, the shifting block 22 of a retaining, drive, a retaining declutch shift shaft assembly 18 along fall, a retaining declutch shift shaft 21 axial motions, thereby realize, the extension of a retaining gets; Four, five retaining shifting blocks, two, three retaining shifting blocks can not be put into gear under the restriction of interlock fork 14, realize the interlocking of gear; When rocking arm 17 turns to a direction of reversing gear, the sensor drive ring 2 extruding sensor ejector pin 16 that reverses gear, the pressure switch of reversing gear 15 is sent the signal that reverses gear.
Two, three retaining gears and four, five retaining gears choose and hang into, also be in like manner (shown in accompanying drawing 3b, 3a).
Be illustrated in figure 4 as gear schematic representation of the present invention.
Said fan-shaped self-locking block 4 rotates with gearshift axle 1, during gearshift and after the gearshift, under self-locking spring 13 effects; Self-locking bearing pin 12 is given fan-shaped self-locking block 4 lower ends one active force; Prevent fan-shaped self-locking block 4 rotations, promptly prevent to pluck shelves, put into gear, realize self-locking; The neutral of fan-shaped self-locking block 4 upper ends compression simultaneously sensor ejector pin 5, neutral pressure switch 6 is emitted in retaining signal (shown in accompanying drawing 5).
Innovation point of the present invention is that integrated auto-lock function, interlocking function, neutral, the signal that reverses gear are chosen at a little cap assembly, and its compact overall structure is light; Selector fork is stirred the gearshift of synchronizer slider disc through friction plate 24, has avoided former shift fork and has stirred the original paper steel to steel and contact; Both life-spans have been increased; And can increase the stationarity of shift process, have 1) gearshift steadily: shift fork fork pin is installed friction material, available buffer shift impact; 2) realize effective choosing gearshift: the gear shift mechanism assembly can be realized mechanical type choosing shelves and gear shift, and selects shelves and gear-change operation to be independent of each other, and realizes self-locking, interlocking function; 3) be that three declutch shift shaft assemblies are arranged, can realize the selection of six drive ranges.
The present invention can realize that above-mentioned embodiment just illustrates through necessary embodiment of not breaking away from of other, is not only, all within the scope of the present invention or the change that is equal in the scope of the present invention all surrounded by the present invention.
Claims (5)
1. a new work transmission gear shift mechanism assembly comprises little cap assembly and declutch shift shaft assembly, it is characterized in that: comprise self-locking mechanism, mutual interlocking gear, neutral and reverse gear signal selecting device in the said little cap assembly; Constitute by three declutch shift shaft unit assemblies (18,19,20) in the said declutch shift shaft assembly, six drive ranges are set, the friction plate (24) that new-type friction material is processed is installed on the shift fork (23) of declutch shift shaft unit (18,19,20);
Said self-locking mechanism is made up of self-locking bearing pin (12) and fan-shaped self-locking block (4);
Said mutual interlocking gear is made up of the interlock fork (14) of fork-shaped.
2. new work transmission gear shift mechanism assembly according to claim 1 is characterized in that: said little cap assembly comprises tegillum housing (7), gearshift axle (1), sensor drive ring (2), drive pin (3), fan-shaped self-locking block (4), gear shift head (8), fixed middle seat ring (9), spacer ring (10), centering spring (11), self-locking bearing pin (12) and interlock fork (14);
Said sensor drive ring (2), gear shift head (8) and gearshift axle (1) assembling one can move axially with gearshift axle (1); Said fan-shaped self-locking fast (4) relies on drive pin (3) to connect with gearshift axle (1), and the relative gearshift axle of fan-shaped self-locking block (4) (1) can move axially with gearshift axle (1) rotation;
Said two fixed middle seat rings (9) and spacer ring (10) are fixed at following the gearshift axle of effect (1) of centering spring (11) and tegillum housing (7), realize neutral gear position;
Said interlock fork (14) sky is enclosed within gearshift axle (1) with above the self-locking bearing pin (12), can move axially with gearshift (8) but can not rotate.
3. new work transmission gear shift mechanism assembly according to claim 1; It is characterized in that: said declutch shift shaft assembly is made up of three declutch shift shaft unit assemblies (18,19,20); Said declutch shift shaft unit assembly (18,19,20), comprise declutch shift shaft (21), set (22) ahead, shift fork (23) and friction plate (24), said declutch shift shaft (21), shifting block (22), shift fork (23) are riveted together through pin; Said declutch shift shaft (21) is installed in the case of transmission shift fork axis hole, but axial motion;
Said friction plate (24) is installed in the fork pin of shift fork (23), compresses with the surface of shift fork (23);
The synchronizer slider disc is installed in the fork pin groove of said shift fork (23).
4. new work transmission gear shift mechanism assembly according to claim 1 is characterized in that: said friction plate (24) is the stereochemical structure of two sideband bendings.
5. according to each described new work transmission gear shift mechanism assembly of claim 1 ~ 4, it is characterized in that: said friction plate (24) adopts alloy-layer ZCupb10Sn10 steel backing 10GB10451.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104408181A CN102494120A (en) | 2011-12-26 | 2011-12-26 | Novel gear selecting and shifting mechanism assembly for speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104408181A CN102494120A (en) | 2011-12-26 | 2011-12-26 | Novel gear selecting and shifting mechanism assembly for speed changer |
Publications (1)
| Publication Number | Publication Date |
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| CN102494120A true CN102494120A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104408181A Pending CN102494120A (en) | 2011-12-26 | 2011-12-26 | Novel gear selecting and shifting mechanism assembly for speed changer |
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| CN (1) | CN102494120A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777595A (en) * | 2012-08-20 | 2012-11-14 | 中国重汽集团济南动力有限公司 | Gear-selecting/shifting mechanism assembly for synchromesh transmission |
| CN102788138A (en) * | 2012-08-20 | 2012-11-21 | 中国重汽集团济南动力有限公司 | Twelve-gear speed changer of double-intermediate-shaft full-synchronizer |
| CN102878283A (en) * | 2012-10-19 | 2013-01-16 | 无锡京华重工装备制造有限公司 | Sliding gear shifter structure of feed box |
| WO2014048145A1 (en) * | 2012-09-27 | 2014-04-03 | 陕西法士特齿轮有限责任公司 | Transmission operating mechanism |
| CN104389995A (en) * | 2014-11-03 | 2015-03-04 | 西安法士特汽车传动有限公司 | Gear-selecting hand sensing device for transmission |
| CN105546109A (en) * | 2016-01-22 | 2016-05-04 | 安徽江淮汽车股份有限公司 | Shifting fork shaft with interlocking structure |
| CN107939965A (en) * | 2017-12-04 | 2018-04-20 | 陕西法士特齿轮有限责任公司 | A kind of air path controlling mechanism of list H structure gearbox |
| CN108119620A (en) * | 2016-11-29 | 2018-06-05 | 舍弗勒技术股份两合公司 | Reverse gear presynchronization device and reverse gear pre-synchronization method |
| CN108223788A (en) * | 2017-12-29 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of gearbox shifting control device, shift control method and gearbox |
| CN112360968A (en) * | 2020-11-26 | 2021-02-12 | 中国重汽集团大同齿轮有限公司 | Modular 10-gear transmission operating mechanism |
| CN113944750A (en) * | 2021-11-15 | 2022-01-18 | 中国重汽集团济南动力有限公司 | 9 keep off case two pole list H and take pneumatic booster's tegillum assembly |
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| CN202418533U (en) * | 2011-12-26 | 2012-09-05 | 中国重汽集团济南动力有限公司 | Novel gear-selecting and gear-shifting mechanism assembly of transmission |
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| US4353449A (en) * | 1979-09-20 | 1982-10-12 | Regie Nationale Des Usines Renault | Control fork for a gear box sliding block |
| US4510818A (en) * | 1982-11-19 | 1985-04-16 | Toyota Jidosha Kabushiki Kaisha | Device for preventing reverse gear buzzing in a manual transmission |
| CN2851734Y (en) * | 2005-11-24 | 2006-12-27 | 东风汽车公司 | Electric gearshift actuator without shift selection motor |
| CN201074673Y (en) * | 2007-09-14 | 2008-06-18 | 中国重汽集团济南技术中心有限公司 | Control mechanism of gearbox |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788138A (en) * | 2012-08-20 | 2012-11-21 | 中国重汽集团济南动力有限公司 | Twelve-gear speed changer of double-intermediate-shaft full-synchronizer |
| CN102777595A (en) * | 2012-08-20 | 2012-11-14 | 中国重汽集团济南动力有限公司 | Gear-selecting/shifting mechanism assembly for synchromesh transmission |
| WO2014048145A1 (en) * | 2012-09-27 | 2014-04-03 | 陕西法士特齿轮有限责任公司 | Transmission operating mechanism |
| US9447865B2 (en) | 2012-09-27 | 2016-09-20 | Shaanxi Fast Gear Co., Ltd. | Transmission operating mechanism |
| EP2902664A4 (en) * | 2012-09-27 | 2017-07-12 | Shaanxi Fast Gear Co., Ltd. | Transmission operating mechanism |
| CN102878283A (en) * | 2012-10-19 | 2013-01-16 | 无锡京华重工装备制造有限公司 | Sliding gear shifter structure of feed box |
| CN104389995A (en) * | 2014-11-03 | 2015-03-04 | 西安法士特汽车传动有限公司 | Gear-selecting hand sensing device for transmission |
| CN105546109A (en) * | 2016-01-22 | 2016-05-04 | 安徽江淮汽车股份有限公司 | Shifting fork shaft with interlocking structure |
| CN108119620B (en) * | 2016-11-29 | 2022-11-01 | 舍弗勒技术股份两合公司 | Reverse gear pre-synchronizing device and reverse gear pre-synchronizing method |
| CN108119620A (en) * | 2016-11-29 | 2018-06-05 | 舍弗勒技术股份两合公司 | Reverse gear presynchronization device and reverse gear pre-synchronization method |
| CN107939965A (en) * | 2017-12-04 | 2018-04-20 | 陕西法士特齿轮有限责任公司 | A kind of air path controlling mechanism of list H structure gearbox |
| CN107939965B (en) * | 2017-12-04 | 2023-08-08 | 陕西法士特齿轮有限责任公司 | Gas circuit control mechanism of single H structure gearbox |
| CN108223788B (en) * | 2017-12-29 | 2020-04-03 | 潍柴动力股份有限公司 | Gear shifting control device and gear shifting control method for gearbox and gearbox |
| CN108223788A (en) * | 2017-12-29 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of gearbox shifting control device, shift control method and gearbox |
| CN112360968A (en) * | 2020-11-26 | 2021-02-12 | 中国重汽集团大同齿轮有限公司 | Modular 10-gear transmission operating mechanism |
| CN113944750A (en) * | 2021-11-15 | 2022-01-18 | 中国重汽集团济南动力有限公司 | 9 keep off case two pole list H and take pneumatic booster's tegillum assembly |
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Application publication date: 20120613 |