CN203051730U - Integral pneumatic AMT gear selecting and shifting actuating mechanism - Google Patents
Integral pneumatic AMT gear selecting and shifting actuating mechanism Download PDFInfo
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- CN203051730U CN203051730U CN 201320002220 CN201320002220U CN203051730U CN 203051730 U CN203051730 U CN 203051730U CN 201320002220 CN201320002220 CN 201320002220 CN 201320002220 U CN201320002220 U CN 201320002220U CN 203051730 U CN203051730 U CN 203051730U
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Abstract
An integral pneumatic AMT gear selecting and shifting actuating mechanism comprises a gear selecting and shifting head mechanism, a gear selecting cylinder (1) and a gear shifting cylinder (3), wherein the gear selecting and shifting head mechanism consists of a head shifting shell and a gear selecting and shifting head component positioned in the head shifting shell, the gear selecting cylinder (1) and the gear shifting cylinder (3) are perpendicular to each other, a cylinder body of the gear selecting cylinder (1) and a cylinder body of the gear shifting cylinder (3) are divided into two parts respectively to form a cross-shaped structure, and the cylinder body of the gear selecting cylinder (1), the cylinder body of the gear shifting cylinder (2) and the head shifting shell are integrally formed. The design is novel, the structure is simple and compact, and the space occupied by the gear selecting and shifting actuating mechanism is reduced; the integral casting reduces the connection of all parts of the gear selecting and shifting actuating mechanism and the sealing during the connection, has uniform stress, can effectively prevent deformation, ensures the concentricity of the piston and the piston rod, and ensures the performance of the product.
Description
Technical field
The utility model relates to a kind of automobile AMT actuator, relates to a kind of all-in-one-piece pneumatic AMT gear-selecting and shifting executing mechanism in particular, belongs to the automotive transmission technical field.
Background technique
AMT refers to automatic mechanical transmission, and it realizes the clutch separation of manual transmission and selector fork etc. to handle automatically by the parts of human control, has so just realized the automation of manual transmission.At present, in the automotive transmission technical field, AMT had both kept the high advantage of manual transmission transmission efficiency, had realized the self shifter operation comfort again.AMT automaitc shfit speed variator system has been simplified gear shift operation, has reduced the requirement to driving technology, has improved travel safety; And, use the AMT technology and can transform at the conventional machinery gearbox, manufacture inheritance good, simple and compact for structure, be easy to make low, the economic environmental protection of maintenance, repair cost, be fit to China's actual conditions; Reasonably that motor is impacted is little for shifting points, and transmission efficiency, riding comfort are improved, and reliable operation and handiness are particularly suitable for that China is big, mini-bus and lorry application.The pneumatic type shift-selecting and changing actuating mechanism plays a part very important in pneumatic AMT automaitc shfit speed variator system as the important component part of pneumatic type AMT automaitc shfit speed variator system.
Chinese patent application publication No.: CN102434657A, Shen Qing Publication day: on May 2nd, 2012, name is called in the application for a patent for invention of " a kind of shift-selecting and changing actuating mechanism of automatic mechanical transmission ", this pneumatic type AMT gear-selecting and shifting executing mechanism mainly comprises the shifting shifting block, mechanism's housing, be vertically set on three cylinders of gearshift and three cylinders of block selecting on mechanism's housing mutually, be installed in gearshift three solenoid valves on three cylinders of gearshift, be installed in block selecting three solenoid valves on three cylinders of block selecting, wherein, the working piston axle of three cylinders of gearshift is fixedly connected with the gearshift axle, the gearshift axle can drive shifting shifting block moving axially with the gearshift axle, the working piston axle of three cylinders of block selecting is fixedly connected with the block selecting axle, and the block selecting axle can drive shifting shifting block moving axially with the block selecting axle.Wherein, three cylinders of shifting gears, three cylinders of block selecting connect and compose gear-selecting and shifting executing mechanism integral body by links such as bolt and mechanism's housing, there is following shortcoming in the pneumatic AMT gear-selecting and shifting executing mechanism of this non-integral type: (1) connects complicated, whole gear-selecting and shifting executing mechanism size is strengthened, (2) gear-changing and selecting shifting block, the gear selecting cylinder, gear shifting cylinder will seal when connecting, growth along with service time, the sealing variation, be prone to oil leakage phenomenon, (3) the asymmetric unbalance stress that causes of structure, the concentricity of piston and piston rod be cannot say for sure to cause the resistance to motion of actuator own big by card in the using process, and gearshift procedure is selected in influence normally.
Summary of the invention
The purpose of this utility model be at existing pneumatic type AMT gear-selecting and shifting executing mechanism connect complicated, size is bigger, the joint needs in sealing, easy oil leakage and the using process mechanism's unbalance stress, concentricity to cannot say for sure deficiencies such as card to provide a kind of all-in-one-piece pneumatic AMT gear-selecting and shifting executing mechanism.
For achieving the above object, technical solution of the present utility model is: a kind of all-in-one-piece pneumatic AMT gear-selecting and shifting executing mechanism, comprise gear-changing and selecting shifting block mechanism, gear selecting cylinder, gear shifting cylinder, described gear-changing and selecting shifting block mechanism is made up of shifting block housing and the gear-changing and selecting shifting block assembly that is positioned at the shifting block housing, described gear selecting cylinder and gear shifting cylinder vertical setting mutually, the cylinder body of described gear selecting cylinder and the cylinder body of gear shifting cylinder are divided into two respectively, form decussate texture, the cylinder body of described gear selecting cylinder, the cylinder body of gear shifting cylinder and shifting block housing are one-body molded.
The described gear-changing and selecting shifting block assembly of shifting block housing that is positioned at is by gear-changing and selecting shifting block, select gear shift shifting block and gear-changing and selecting shifting block support to form, two vertical end faces of the head projection of described gear-changing and selecting shifting block are stuck in the support draw-in groove of gear-changing and selecting shifting block support, two horizontal end faces of the head projection of gear-changing and selecting shifting block are stuck in the shifting block draw-in groove that selects the gear shift shifting block, the gear selecting piston rod of described gear selecting cylinder is divided into two in the gear selecting piston rod mounting hole that inserts gear-changing and selecting shifting block support two upper lateral parts respectively, fixedly connected with the gear-changing and selecting shifting block support, the gear shift piston rod of described gear shifting cylinder passes the gear shift piston rod mounting hole that selects gear shift shifting block top, fixedlys connected with selecting the gear shift shifting block.
Described gear-changing and selecting shifting block support upper-end surface is provided with gearshift connection pin-and-hole and is connected pin-and-hole with two gear selectings, described gear selecting piston rod is divided into two and is fixedly connected on the block selecting shifting block support with pin by two gear selectings connection pin-and-holes respectively, and described range piston bar connects pin-and-hole by gearshift and is fixedly connected on the shifting shifting block with pin.
Compared with prior art, the beneficial effects of the utility model are:
Modern design, simple and compact for structure, the product reliability height.The housing of gear selecting cylinder block, gear shifting cylinder cylinder body and gear-changing and selecting shifting block structure forms as a cast inblock in the utility model, and is simple and compact for structure, reduced the shared space of gear-selecting and shifting executing mechanism; Integrated type casting has reduced the connection of gear-selecting and shifting executing mechanism each several part and the sealing when connecting, and has reduced cost; Integrated type casting simultaneously is stressed evenly, can better guarantee the concentricity of piston and piston rod, guarantees product performance, has reduced cost of production and maintenance cost, has good use value.
Description of drawings
Fig. 1 is that the utility model is looked up structural representation.
Fig. 2 is the utility model plan structure schematic representation.
Fig. 3 is gear-changing and selecting shifting block assembly schematic representation.
Fig. 4 is gear-changing and selecting shifting block assembled schematic representation.
Fig. 5 is that the gear-changing and selecting shifting block assembly assembles schematic representation with selecting the gear shift piston rod.
Fig. 6 is that the utility model is cut mechanism's housing open back internal structure schematic representation.
Among the figure: gear selecting cylinder 1, displacement transducer 2, gear shifting cylinder 3, gear shift solenoid valve 4, gear selecting solenoid valve 5, gear shift piston rod 6, gear selecting piston rod 7, gear-changing and selecting shifting block 8 selects gear shift shifting block 9, gear-changing and selecting shifting block support 10, vertical end face 11, horizontal end face 12, gear selecting piston rod mounting hole 13, gear shift piston rod mounting hole 14, left side gear selecting small piston 15, the big piston 16 of gear shift, middle gear selecting piston 17, support draw-in groove 18, shifting block draw-in groove 19, the big piston 20 of right side gear selecting, gear shift small piston 21, gearshift connects pin-and-hole 22, and gear selecting connects pin-and-hole 23.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, a kind of all-in-one-piece pneumatic AMT gear-selecting and shifting executing mechanism, comprise gear-changing and selecting shifting block mechanism, gear selecting cylinder 1, gear shifting cylinder 3, air flue is arranged in the cylinder wall, on gear selecting cylinder 1 outer wall of cylinder block gear selecting solenoid valve 5 is installed, on gear shifting cylinder 3 outer wall of cylinder block gear shift solenoid valve 4 is installed, described gear-changing and selecting shifting block mechanism is made up of shifting block housing and the gear-changing and selecting shifting block assembly that is positioned at the shifting block housing, described gear selecting cylinder 1 and gear shifting cylinder 3 mutual vertical settings, the cylinder body of the cylinder body of described gear selecting cylinder 1 and gear shifting cylinder 3 is divided into two respectively, form decussate texture, the cylinder body of described gear selecting cylinder 1, the cylinder body of gear shifting cylinder 2 and shifting block housing are one-body molded.Referring to Fig. 3-Fig. 5, described gear selecting cylinder 1 inside is provided with three gear selecting pistons, left side gear selecting small piston 15 is fixedlyed connected with gear selecting piston rod 7 in described three gear selecting pistons, middle gear selecting piston 17 inner hollow are enclosed within on the gear selecting piston rod 7 and can endwisely slip along gear selecting piston rod 7, gear selecting piston rod 7 is provided with the to-and-fro motion that positioning step limits middle gear selecting piston 17, and gear selecting big piston 20 in right side directly is assemblied in gear selecting cylinder 1 cylinder body; Described gear shifting cylinder 3 inside are provided with two gear shift pistons, gear shift small piston 21 in described two gear shift pistons is fixedlyed connected with gear shift piston rod 6, big piston 16 inner hollow of gear shift are enclosed within on the gear shift piston rod 6 and can endwisely slip along gear shift piston rod 6, and 6 are provided with the to-and-fro motion that positioning step limits the big piston of gear shift on the gear shift piston rod.The described gear-changing and selecting shifting block assembly spare that is positioned at the shifting block housing by gear-changing and selecting shifting block 8, select gear shift shifting block 9 and gear-changing and selecting shifting block support 10 to form, the three is by coupling and the constraint on mechanical structure plane, realized not only constraint mutually form a structural entity but also relatively straight line translation realization select gear shift to move; Two vertical end faces 11 of the head projection of described gear-changing and selecting shifting block 8 are stuck in the support draw-in groove 18 of gear-changing and selecting shifting block support 10, gear-changing and selecting shifting block 8 can be along the 6 axial translations of gear shift piston rod in support draw-in groove 18, two horizontal end faces 12 of the head projection of gear-changing and selecting shifting block 8 are stuck in the shifting block draw-in groove 19 that selects gear shift shifting block 9, gear-changing and selecting shifting block 8 can be along the 7 axial translations of gear selecting piston rod in shifting block draw-in groove 19, select gear shift shifting block 9 and gear-changing and selecting shifting block support 10 can along gear selecting piston rod 7 axially, the 6 axial relative movement of gear shift piston rod.The gear selecting piston rod 7 of described gear selecting cylinder 1 is divided into two, namely be divided into left side block selecting piston rod and right side block selecting piston rod, insert respectively in the gear selecting piston rod mounting hole 13 of 10 liang of upper lateral parts of gear-changing and selecting shifting block support, fixedly connected with gear-changing and selecting shifting block support 10, the gear shift piston rod 6 of described gear shifting cylinder 3 passes the gear shift piston rod mounting hole 14 that selects gear shift shifting block 9 tops, fixedlys connected with selecting gear shift shifting block 9; Described gear-changing and selecting shifting block support 10 upper-end surfaces are provided with gearshift connection pin-and-hole 22 and are connected pin-and-hole 23 with two gear selectings, described gear selecting piston rod 7 is divided into two and is fixedly connected on the block selecting shifting block support 10 by two gear selectings connection pin-and-hole 23 usefulness pins respectively, described range piston bar 6 connects pin-and-hole 22 usefulness pins by gearshift and is fixedly connected on the shifting shifting block 9, pin directly injects pin-and-hole and realizes fixing during installation, this joint is simple and reliable for structure, is easy to processing.
Referring to Fig. 6, the assembling mode of entire mechanism is as follows: shifting shifting block 8, select gear shift shifting block 9 and gear-changing and selecting shifting block support 10 threes to be put in the shifting shifting block housing according to above-mentioned mutual matching relationship.Left side gear selecting small piston 15 is fixedlyed connected the cylinder body of afterwards packing into from block selecting cylinder 1 left side with left side block selecting piston rod, block selecting piston rod in left side is fixedlyed connected with shifting shifting block support 10 usefulness pins; Middle gear selecting piston 17 is fixedlyed connected the cylinder body of afterwards packing into from block selecting cylinder 1 right side with right side block selecting piston rod, block selecting piston rod in right side is fixedlyed connected with block selecting shifting block support 10 usefulness pins; The big piston 20 of the right side gear selecting cylinder body of packing into from block selecting cylinder 1 right side.The big piston 16 of shifting gears is contained on the range piston bar 6, and the big piston 20 of shifting gears is together with range piston bar 6 cylinder body of packing into from gearshift cylinder 3 front sides, and range piston bar 6 is fixedlyed connected with shifting shifting block 9 usefulness pins; Gearshift small piston 21 is enclosed within on the range piston bar 6 after gearshift cylinder 3 rear sides are packed cylinder body into, fixedlys connected with range piston bar 6 by nut.At last cylinder end piece is contained in gear selecting cylinder 1 and gear shifting cylinder 3 ends, has finished the entire mechanism installation.
Referring to Fig. 1-Fig. 6, working principle is as follows: the air inlet of gear selecting solenoid valve 5 and gear shift solenoid valve 4 control gear selecting cylinders 1 and gear shifting cylinder 3, make gear selecting piston and gear shift piston action, choosing, the gear shift piston drives gear selecting piston rod 16 and the action of gear shift piston 17 bars, thereby gear selecting piston rod 7 promotes gear-changing and selecting shifting block supports 10 and drives gear-changing and selecting shifting blocks 8 realize gear selecting along gear selecting piston rod 7 axial linear movement shifting block draw-in groove 19 in during gear selecting, thus during gearshift gear shift piston rod 6 promote to select gear shift shifting block 9 drive gear-changing and selecting shifting blocks 8 in support draw-in groove 18 along gear shift piston rod 6 axial linear movement realization gear shift.In practical work process, at first be to judge whether be in neutral position by TCU, if not in neutral position, change to neutral gear gear selecting, gear shift more then by the gear shift action.Concrete circulation shelves process is as follows: (1) TCU sends gear selecting earlier and instructs to gear selecting solenoid valve 5, its corresponding sub-solenoid valve is opened, pressurized air is delivered in the gear selecting cylinder 1 corresponding air cavity, make gear selecting piston rod 7 in 7 axial motions of gear selecting piston rod, 10 drive gear-changing and selecting shifting blocks 8 are realized gear selecting along gear selecting piston rod 7 axial linear movement in shifting block draw-in groove 19 thereby gear selecting piston rod 7 promotes the gear-changing and selecting shifting block support.The simultaneous displacement sensor 2 of its motion feeds back to TCU with gear selecting piston rod 7 position signals, and gear selecting solenoid valve 5 quits work when gear selecting puts in place, and gear selecting solenoid valve 5 is drained the gas in the gear selecting cylinder 1, the gear selecting release.(2) after gear selecting finished, TCU sent shift command and gives the gear shift solenoid valve 4 control air inlets, and gear shift piston rod 6 promotes to select gear shift shifting block 9, thus drive gear-changing and selecting shifting block 8 in support draw-in groove 18 along the realization gear shift of moving of gear shift piston rod 6 axial linear movement.The simultaneous displacement sensor 2 of its motion feeds back to TCU with gear shift piston rod 6 position signals, and gear shift solenoid valve 4 is drained the gas in the gear shifting cylinder 3 when gear shift puts in place, the gear shift release.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, said structure all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. all-in-one-piece pneumatic AMT gear-selecting and shifting executing mechanism, comprise gear-changing and selecting shifting block mechanism, gear selecting cylinder (1), gear shifting cylinder (3), described gear-changing and selecting shifting block mechanism is made up of shifting block housing and the gear-changing and selecting shifting block assembly that is positioned at the shifting block housing, described gear selecting cylinder (1) and gear shifting cylinder (3) vertical setting mutually, it is characterized in that: the cylinder body of the cylinder body of described gear selecting cylinder (1) and gear shifting cylinder (3) is divided into two respectively, form decussate texture, the cylinder body of described gear selecting cylinder (1), cylinder body and the shifting block housing of gear shifting cylinder (3) are one-body molded.
2. a kind of all-in-one-piece pneumatic AMT gear-selecting and shifting executing mechanism according to claim 1, it is characterized in that: the described gear-changing and selecting shifting block assembly of shifting block housing that is positioned at is by gear-changing and selecting shifting block (8), select gear shift shifting block (9) and gear-changing and selecting shifting block support (10) to form, two vertical end faces of the head projection of described gear-changing and selecting shifting block (8) (11) are stuck in the support draw-in groove (18) of gear-changing and selecting shifting block support (10), two horizontal end faces of the head projection of gear-changing and selecting shifting block (8) (12) are stuck in the shifting block draw-in groove (19) that selects gear shift shifting block (9), the gear selecting piston rod (7) of described gear selecting cylinder (1) is divided into two and inserts respectively in the gear selecting piston rod mounting hole (13) of gear-changing and selecting shifting block support (10) two upper lateral parts, fixedly connected with gear-changing and selecting shifting block support (10), the gear shift piston rod (6) of described gear shifting cylinder (3) passes the gear shift piston rod mounting hole (14) that selects gear shift shifting block (9) top, fixedlys connected with selecting gear shift shifting block (9).
3. a kind of all-in-one-piece pneumatic AMT gear-selecting and shifting executing mechanism according to claim 2, it is characterized in that: described gear-changing and selecting shifting block support (10) upper-end surface is provided with gearshift connection pin-and-hole (22) and is connected pin-and-hole (23) with two gear selectings, described gear selecting piston rod (7) is divided into two and is fixedly connected on the block selecting shifting block support (10) with pin by two gear selectings connection pin-and-holes (23) respectively, and described range piston bar (6) connects pin-and-hole (22) by gearshift and is fixedly connected on the shifting shifting block (9) with pin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002220 CN203051730U (en) | 2013-01-05 | 2013-01-05 | Integral pneumatic AMT gear selecting and shifting actuating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002220 CN203051730U (en) | 2013-01-05 | 2013-01-05 | Integral pneumatic AMT gear selecting and shifting actuating mechanism |
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| CN203051730U true CN203051730U (en) | 2013-07-10 |
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| CN 201320002220 Expired - Lifetime CN203051730U (en) | 2013-01-05 | 2013-01-05 | Integral pneumatic AMT gear selecting and shifting actuating mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930183A (en) * | 2015-05-27 | 2015-09-23 | 詹志勇 | Electrically-controlled pneumatic gear selecting and shifting execution mechanism of automatic mechanical transmission |
| CN110594399A (en) * | 2019-10-11 | 2019-12-20 | 中国人民解放军陆军工程大学 | Automatic operating device based on excavator gear shifting handle |
| CN112747113A (en) * | 2021-01-13 | 2021-05-04 | 合升智能技术(无锡)有限公司 | Automatic gear shifting device of AMT (automated mechanical transmission) gearbox of commercial vehicle |
-
2013
- 2013-01-05 CN CN 201320002220 patent/CN203051730U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930183A (en) * | 2015-05-27 | 2015-09-23 | 詹志勇 | Electrically-controlled pneumatic gear selecting and shifting execution mechanism of automatic mechanical transmission |
| CN110594399A (en) * | 2019-10-11 | 2019-12-20 | 中国人民解放军陆军工程大学 | Automatic operating device based on excavator gear shifting handle |
| CN112747113A (en) * | 2021-01-13 | 2021-05-04 | 合升智能技术(无锡)有限公司 | Automatic gear shifting device of AMT (automated mechanical transmission) gearbox of commercial vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130906 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130906 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: DONGFENG TRUCKS Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |