CN208565522U - The screw rod of passenger train gear box directly drives shifting structure - Google Patents
The screw rod of passenger train gear box directly drives shifting structure Download PDFInfo
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- CN208565522U CN208565522U CN201821013104.6U CN201821013104U CN208565522U CN 208565522 U CN208565522 U CN 208565522U CN 201821013104 U CN201821013104 U CN 201821013104U CN 208565522 U CN208565522 U CN 208565522U
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- shift
- block selecting
- screw rod
- feed screw
- screw nut
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Abstract
The utility model relates to a kind of screw rods of passenger train gear box directly to drive shifting structure, including gear selection mechanism and gearshift, gear selection mechanism includes block selecting screw rod, block selecting feed screw nut, block selecting sensor and sensor shift fork, block selecting feed screw nut is mounted on block selecting screw rod, block selecting feed screw nut connect with sensor shift fork, and sensor shift fork is connect with block selecting sensor；The rotation of block selecting screw rod drives block selecting feed screw nut linear motion, and block selecting feed screw nut passes to sensor shift fork, and block selecting feed screw nut is made to slide into corresponding shift fork shaft position；Gearshift includes shift transition axis, selector fork and shift feed screw nut, and shift transition axis is connect with selector fork, and selector fork is connect with shift feed screw nut；When transition axis of shifting gears rotates, to drive selector fork, stirs corresponding shift feed screw nut and move to suitable gear.Compared with prior art, the utility model has many advantages, such as compact-sized, reliable transmission and maintenance convenient for assembly.
Description
Technical field
The utility model relates to gearbox selector gear shifting structure fields, directly drive more particularly, to a kind of screw rod of passenger train gear box
Shifting structure.
Background technique
Currently, be using more electrical control automatic manual transmission case gear shift mechanism in the market it is hydraulic and pneumatic, pass through
Solenoid valve is controlled to realize gear shift mechanism, its structure is complicated, manufacturing cost is high, and gearing efficiency is relatively low.
By retrieval, China Patent Publication No. is that CN104565339B discloses the automatically controlled shift of one kind, block selecting manipulation device
And vehicle, comprising: block selecting switch can move between bit positions and multiple gear positions；Shift driving device, for driving
It moves gearbox shifting device and gearbox is switched to selected gear；And control unit, with block selecting switch and institute
Shift driving device connection is stated, movement instruction is issued to the shift driving device according to the location of block selecting switch.All
As commercial vehicle vehicle in the automatically controlled shift of the utility model, block selecting manipulation device are installed after, driver is by being placed on driving
The controller of room, which is directly realized by shift gears to gearbox selector, is displaced the control of stepper motor, saves the mechanical manipulation of manpower progress
Power simply directly realizes the requirement of gear change, improves comfort of driving, and improves operation labor intensity, improves driving peace
Entirely.But the utility model still realizes gear shift mechanism by control solenoid valve, and its structure is complicated, manufacturing cost is high, and passes
Dynamic mechanical efficiency is relatively low.
Utility model content
The purpose of this utility model is exactly to provide a kind of car speed change to overcome the problems of the above-mentioned prior art
The screw rod of case directly drives shifting structure.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of screw rod of passenger train gear box directly drives shifting structure, including gear selection mechanism and gearshift, the block selecting
Mechanism includes block selecting screw rod, block selecting feed screw nut, block selecting sensor and sensor shift fork, and the block selecting feed screw nut is mounted on
On block selecting screw rod, the block selecting feed screw nut connect with sensor shift fork, and the sensor shift fork and block selecting sensor connect
It connects；
The block selecting screw rod rotation drives block selecting feed screw nut linear motion, and the block selecting feed screw nut passes to
Sensor shift fork makes block selecting feed screw nut slide into corresponding shift fork shaft position, to realize block selecting；
The gearshift includes shift transition axis, selector fork and shift feed screw nut, the shift transition axis
It is connect with selector fork, the selector fork is connect with shift feed screw nut；
When transition axis of shifting gears rotates, to drive selector fork, stirs corresponding shift feed screw nut and move to properly
Gear realizes shift.
Preferably, the gear selection mechanism further includes block selecting motor, which connect with block selecting screw rod.
Preferably, the gearshift further includes shift screw rod, gear shift sensing device, driving shifting block and shift motor, institute
The shift motor connection shift transition axis stated, the selector fork are described by driving shifting block and shift transition axis connection
Shift screw rod is connect with shift feed screw nut；
The gear shift sensing device and shift transition axis connection.
Preferably, the structure further includes shell, and the block selecting screw rod, sensor shift fork, changes block selecting feed screw nut
Gear shift fork, shift screw rod, shift feed screw nut, shift transition axis and driving shifting block are installed in shell；
Block selecting motor, shift motor, block selecting sensor and the gear shift sensing device is mounted on shell.
Preferably, the gearshift further includes interlock board.
Preferably, the breather plug that the shell is equipped with for realizing shell inside and outside air pressure balance.
Preferably, oil lubrication mechanism is equipped in the shell.
Preferably, the shell includes the O-ring for sealing.
Compared with prior art, the utility model has the advantage that
1, high reliablity: being coupled together using lead screw Zhi Qu mechanism with executive component, and control is accurate reliable, is improved entire
Positioning accuracy, the stability of system.
2, high-efficient: transmission parts are few, and transmission efficiency is high.
3, at low cost: structure is simple, and economic performance is good, maintenance convenient for assembly.
Detailed description of the invention
Fig. 1 is that the screw rod of the utility model directly drives the structural schematic diagram of shifting structure；
Fig. 2 is that the screw rod of the utility model directly drives the cross-sectional view of shifting structure.
Wherein 1 is shift motor, and 2 be block selecting sensor, and 3 be sensor shift fork, and 4 be plane bearing, and 5 be block selecting lead screw, 6
It is block selecting feed screw nut for transition axis of shifting gears, 7,8 be interlock board, and 9 be driving shifting block, and 10 be selector fork, and 11 be shift lead screw,
12 be gear shift sensing device, and 13 be sensor transition plates, and 14 be block selecting motor, and 15 be shift feed screw nut, and 16 be plane bearing,
17 be needle bearing, and 18 be ball bearing.
Specific embodiment
The technical scheme in the embodiment of the utility model will be carried out clear, be fully described by, it is clear that described below
Embodiment is a part of the embodiment of the utility model, rather than whole embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work all should belong to this
The range of utility model protection.
As depicted in figs. 1 and 2, the principles of the present invention: a kind of car, truck gearbox novel screw rod directly drive choosing and change
Retaining device, including gear selection mechanism and gearshift, gear selection mechanism are lead screw gear selection mechanism, are equipped on screw rod when screw rod rotation
Along the nut of pivot center linear motion；Gear selection mechanism is leadscrew-nut mechanism, by driving screw rod rotation, drives nut straight line
Movement, nut pass to sensor shift fork, and block selecting sensor issues accurately instruction, nut is made to slide into corresponding shift fork axle
Position, to realize block selecting.Gearshift include shift transition axis and with driving shifting block, when shift gears transition axis rotation when, thus
Selector fork is driven, corresponding nut is stirred and moves to suitable gear, realizes shift, interlock board realizes gear interlocking, avoids same
When hang into two gears.
A kind of novel screw rod of passenger train gear box of the utility model directly drives gear shift mechanism, mainly there is shift motor 1, block selecting
Motor 14, block selecting sensor 2, sensor shift fork 3, block selecting screw rod 5, block selecting feed screw nut 7, interlock board 8, driving shifting block 9, shift
Shift fork 10, shift lead screw 11, gear shift sensing device 12, shift feed screw nut 15 form a set of gear shift mechanism, are driven by motor
This set dynamical system is moved, realizes deceleration torque increase；It is dialled by block selecting screw rod 5, block selecting feed screw nut 7, block selecting sensor 2 and sensor
Pitch 3, Lai Shixian block selecting；Shift screw rod 11, gear shift sensing device 12, shifts gears transition axis 6 to realize shift machine at shift feed screw nut 15
Structure.
Above-mentioned shifting motor uses direct current generator.
Above-mentioned block selecting motor and shift motor: shifting motor is all mounted on shell, and block selecting motor and block selecting lead screw connect
It connects, feed screw nut is housed on block selecting lead screw, shift motor is connected with shift transition axis.
Above-mentioned shift fork: selector fork is fixed on shift transition axis, and sensor shift fork is connected with block selecting block selecting feed screw nut
It connects, driving shifting block and shift transition axis connection.
Above-mentioned gear shift sensing device rotates angle for monitoring shift transition axis, carries out real-time monitoring, block selecting to drive range
Position sensor is used for angle when monitoring block selecting and the correctness of block selecting.
Above-mentioned interlock board is realized to be interlocked in shift process, is avoided mechanism while being hung into two gears.
Above-mentioned O-ring sealing prevents oil leak, and breather plug realizes shell inside and outside air pressure balance.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical
Novel protection scope should be subject to the protection scope in claims.
Claims (8)
1. a kind of screw rod of passenger train gear box directly drives shifting structure, including gear selection mechanism and gearshift, which is characterized in that institute
The gear selection mechanism stated includes block selecting screw rod (5), block selecting feed screw nut (7), block selecting sensor (2) and sensor shift fork (3), described
Block selecting feed screw nut (7) be mounted on block selecting screw rod (5), the block selecting feed screw nut (7) and sensor shift fork (3) are even
It connects, the sensor shift fork (3) is connect with block selecting sensor (2)；
Block selecting screw rod (5) rotation drives block selecting feed screw nut (7) linear motion, and the block selecting feed screw nut (7) passes
Sensor shift fork (3) are passed, so that block selecting feed screw nut (7) is slided into corresponding shift fork shaft position, to realize block selecting；
The gearshift includes shift transition axis (6), selector fork (10) and shift feed screw nut (15), the shift
Transition axis (6) is connect with selector fork (10), and the selector fork (10) is connect with shift feed screw nut (15)；
When shift transition axis (6) rotation, to drive selector fork (10), corresponding shift feed screw nut (15) movement is stirred
To suitable gear, shift is realized.
2. a kind of screw rod of passenger train gear box according to claim 1 directly drives shifting structure, which is characterized in that described
Gear selection mechanism further includes block selecting motor (14), which connect with block selecting screw rod (5).
3. a kind of screw rod of passenger train gear box according to claim 1 directly drives shifting structure, which is characterized in that described
Gearshift further includes shift screw rod (11), gear shift sensing device (12), driving shifting block (9) and shift motor (1), the shift
Motor (1) connection shift transition axis (6), the selector fork (10) is by driving shifting block (9) and shift transition axis (6) even
It connects, the shift screw rod (11) is connect with shift feed screw nut (15)；
The gear shift sensing device (12) is connect with shift transition axis (6).
4. a kind of screw rod of passenger train gear box according to claim 2 or 3 directly drives shifting structure, which is characterized in that institute
The structure stated further includes shell, the block selecting screw rod (5), block selecting feed screw nut (7), sensor shift fork (3), selector fork
(10), it shifts gears screw rod (11), shift feed screw nut (15), shift gears transition axis (6) and shifting block (9) is driven to be installed in shell；
Block selecting motor (14), shift motor (1), block selecting sensor (2) and the gear shift sensing device (12) is mounted on shell
On.
5. a kind of screw rod of passenger train gear box according to claim 3 directly drives shifting structure, which is characterized in that described
Gearshift further includes interlock board (8).
6. a kind of screw rod of passenger train gear box according to claim 4 directly drives shifting structure, which is characterized in that described
The breather plug that shell is equipped with for realizing shell inside and outside air pressure balance.
7. a kind of screw rod of passenger train gear box according to claim 4 directly drives shifting structure, which is characterized in that described
Oil lubrication mechanism is equipped in shell.
8. a kind of screw rod of passenger train gear box according to claim 4 directly drives shifting structure, which is characterized in that described
Shell includes the O-ring for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013104.6U CN208565522U (en) | 2018-06-28 | 2018-06-28 | The screw rod of passenger train gear box directly drives shifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013104.6U CN208565522U (en) | 2018-06-28 | 2018-06-28 | The screw rod of passenger train gear box directly drives shifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565522U true CN208565522U (en) | 2019-03-01 |
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ID=65489352
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821013104.6U Active CN208565522U (en) | 2018-06-28 | 2018-06-28 | The screw rod of passenger train gear box directly drives shifting structure |
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| CN (1) | CN208565522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657231A (en) * | 2018-06-28 | 2020-01-07 | 上海海能汽车电子有限公司 | A direct-drive gear selection and shifting structure of a passenger car gearbox |
-
2018
- 2018-06-28 CN CN201821013104.6U patent/CN208565522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657231A (en) * | 2018-06-28 | 2020-01-07 | 上海海能汽车电子有限公司 | A direct-drive gear selection and shifting structure of a passenger car gearbox |
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