CN208442262U - A kind of pneumatic gyropilot of three shaft transmissions - Google Patents
A kind of pneumatic gyropilot of three shaft transmissions Download PDFInfo
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- CN208442262U CN208442262U CN201820756534.0U CN201820756534U CN208442262U CN 208442262 U CN208442262 U CN 208442262U CN 201820756534 U CN201820756534 U CN 201820756534U CN 208442262 U CN208442262 U CN 208442262U
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- tappet
- piston rod
- gear shifting
- pulling head
- shell
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Abstract
The utility model provides a kind of three shaft transmissions pneumatic gyropilot, including shell, solenoid valve, three piston rods, gear shifting pulling head, three tappets and three angular displacement sensors；Three cylinders are arranged in shell side, and piston rod is respectively set in cylinder；In shell, a gear shifting pulling head is set, and gear shifting pulling head is flexibly connected with the tappet front end of cooperation and the linear motion of gear shifting pulling head drives the tappet of cooperation to be circumferentially rotated, and tappet end is connect with the angular displacement sensor matched on every piston rod；The piston rod for extending perpendicularly to match of gear shifting pulling head to and front end stretch out shell；Solenoid valve block is set outside shell, and cylinder is connected by the high-pressure air source of solenoid valve and vehicle, and solenoid valve block is electrically connected with gearbox controller, and angular displacement sensor is electrically connected with gearbox controller.The pneumatic gyropilot of three shaft transmissions can be used in that three shaft transmissions are automatic, pneumatic control, and the simple and reliable property of structure is high, and the accuracy of manipulation is high.
Description
Technical field
The utility model belongs to transmission technology field, in particular to a kind of pneumatic gyropilot of three shaft transmissions.
Background technique
Country pure electric vehicle commercial vehicle speed changer field at present, it is common to use electronic gyropilot.Compared to it is electronic from
Dynamic manipulation device, pneumatic gyropilot have structure simple in mechanical aspects, high reliablity, and it is excellent that the service life frequency is high etc.
Point；In electrical aspect, have control logic simple, the features such as to the input current and low control accuracy requirement of controller.Therefore,
It is necessary to research and develop a kind of pneumatic gyropilot of speed changer.
Utility model content
The purpose of this utility model is to provide a kind of pneumatic gyropilots of three shaft transmissions, can be used in the change of three axis
Fast device is automatic, pneumatic control, and the simple and reliable property of structure is high, and the accuracy of manipulation is high.
The utility model is to be achieved through the following technical solutions:
A kind of pneumatic gyropilot of three shaft transmissions, including shell, solenoid valve, three piston rods, gear shifting pulling head, three
A tappet and three angular displacement sensors；
Three cylinders are arranged in shell side, and piston rod is respectively set in cylinder；In shell, it is arranged one on every piston rod
A gear shifting pulling head, gear shifting pulling head be flexibly connected with the tappet front end of cooperation and gear shifting pulling head linear motion drive cooperation with
Lever is circumferentially rotated, and tappet end is connect with the angular displacement sensor matched；
The piston rod for extending perpendicularly to match of gear shifting pulling head to and front end stretch out shell；
Solenoid valve block is set outside shell, and cylinder is connected by the high-pressure air source of solenoid valve and vehicle, solenoid valve block and speed change
The electrical connection of device controller, angular displacement sensor are electrically connected with gearbox controller.
Preferably, three piston rods are parallel.
Preferably, tappet is axially perpendicular to the axial direction of the piston rod matched.
Preferably, tappet is connected on shell by shaft hole matching, and tappet front end is changed in shell with what is matched
Keep off shifting block connection；Angular displacement sensor is arranged outside shell and connect with tappet front end.
Preferably, connecting plate is arranged in tappet front end, and sliding slot is arranged on connecting plate；Driving lever is arranged in the side of gear shifting pulling head,
Driving lever is threaded through in sliding slot.
Preferably, plane where connecting plate is parallel to the gear shifting pulling head extending direction matched and the piston rod that matches
Axial, sliding slot is swung centered on the axle center of tappet and the central axis that swings is in the axial direction of piston rod；Driving lever axial direction
Perpendicular to plane where connecting plate.
Preferably, gear shifting pulling head is fixedly connected by spool pin with piston rod.
Preferably, solenoid valve block includes six solenoid valves, and every two solenoid valve controls the chamber of the two sides of a cylinder respectively
Body.
Preferably, three piston rods are parallel to each other and in the same plane, two matched with the piston rod of two sides with
The axis parallel of lever plane where three piston rods, the axis perpendicular of the tappet matched with intermediate piston rod is in three
Plane where root piston rod.
Compared with prior art, the utility model has technical effect beneficial below:
The pneumatic gyropilot of three shaft transmissions provided by the utility model, uses aerodynamic force to shift gears, can be most
Limits utilize the existing gas source of vehicle, agency cost are greatly lowered, and pneumatic actuator has small in size, structure letter
It is single, reliable performance, the high advantage of the shift service life frequency；Moreover, angular displacement sensor is straight by tappet and gear shifting pulling head
Connected, reduction intermediate connecting ring section is connect, rigidity is big, greatly reduces the transmission error between sensor and gear shifting pulling head, ensure that and change
Keep off the position precision of shifting block.
Detailed description of the invention
Fig. 1 is the side view of the pneumatic gyropilot of three shaft transmissions provided by the utility model, remains shell.
Fig. 2 is the bottom view of the pneumatic gyropilot of three shaft transmissions provided by the utility model, remains shell.
Fig. 3 is the piston rod provided by the utility model -- solid of gear shifting pulling head -- tappet -- angular displacement sensor mechanism
Figure.
1 is shell, and 11 be cylinder, and 2 be solenoid valve, and 3 be piston rod, and 4 be gear shifting pulling head, and 41 be driving lever, and 5 be tappet,
51 be connecting plate, and 6 be angular displacement sensor.
Specific embodiment
The utility model is described in further detail below with reference to specific embodiment, described is to the utility model
Explanation rather than limit.
As shown in Figure 1, the utility model provides a kind of three shaft transmissions pneumatic gyropilot, including shell 1, six
2, three piston rods 3 of solenoid valve, 4, three tappets 5 of gear shifting pulling head and three angular displacement sensors 6；
As shown in Fig. 2, three cylinders 11 are arranged in 1 side of shell, piston rod 3 is respectively set in cylinder 11；In shell 1,
One gear shifting pulling head 4 is set on every piston rod 3, and gear shifting pulling head 4 is flexibly connected with 5 front end of tappet of cooperation and gear shifting pulling head
4 linear motion drives the tappet 5 of cooperation to be circumferentially rotated, and 5 end of tappet connects with the angular displacement sensor 6 matched
It connects；
3 axial direction of piston rod for extending perpendicularly to match and front end stretching shell 1 of gear shifting pulling head 4；
Solenoid valve block is set outside shell 1, cylinder 11 is connect by solenoid valve 2 with the high-pressure air source of vehicle, solenoid valve block and
Gearbox controller electrical connection, angular displacement sensor 6 are electrically connected with gearbox controller.
Wherein, the extending direction of three gear shifting pulling heads 4 is consistent.
After the pneumatic gyropilot of three shaft transmissions of the utility model is applied to speed changer, overall work process
Include:
Gear selecting process: the signal of vehicle current working is sent to gearbox controller (TCU), speed changer control by vehicle VCU
Device processed is by itself control logic judgement pre-selection gear, i.e. gear selecting process is completed by automatically controlled control logic, without mechanical level
Operation, that saves during conventional steering mechanisms gear selecting mechanical executes the time.
During putting into gear: gearbox controller control solenoid valve 2 open and close, realize 2 sound iron core of solenoid valve actuation with
It opens to control the through and off of high-pressure air source；Simultaneously by the open and-shut mode of control various combination solenoid valve 2, cylinder can be controlled
The direction of motion of piston rod 3 in 11, piston rod 3 drive the transporting along axis along piston rod 3 of gear shifting pulling head 4 along axial moving forward and backward
It is dynamic, realize gear shifting action.
Put into gear position judgement: gear shifting pulling head 4 movement drive cooperation tappet 5 circumferentially rotated, angle displacement transducer
Device 6 detects circumferentially rotating for tappet 5, and then the displacement signal of gear shifting pulling head 4 is converted to voltage signal and is input to speed changer
Controller, gearbox controller is by comparing the difference put into gear between shift value and theoretical shift stroke under 4 present condition of gear shifting pulling head
Value is to determine whether put into gear in place.
The pneumatic gyropilot of three shaft transmissions of the utility model is by three sets of gearshift assembly structures independent
At.Gearbox controller control solenoid valve 2 being opened and closing, and the open and-shut mode of solenoid valve 2 determines 11 chamber of piston-cylinder of cylinder 11
Inflation and exhaust in body push piston rod 3 to move using high-pressure air source, and gear shifting pulling head 4 is fixed on piston rod 3, thus real
Existing gear shifting action；Angular displacement sensor 6 is connect by tappet 5 with gear shifting pulling head 4, to measure the movement of gear shifting pulling head 4
Position result.
Wherein, angular displacement sensor 6 is connected directly by tappet 5 with gear shifting pulling head 4, reduces intermediate connecting ring section, just
Property it is big, greatly reduce the transmission error between sensor and gear shifting pulling head 4, ensure that the position precision of gear shifting pulling head 4；
Wherein, in entire gear shift operation, it is dynamic that the pneumatic gyropilot of three shaft transmissions mechanically only carries out shift
Make, save the mechanical gear selecting time, have actuation time short, shift response rapidly, greatly reduces vehicle power interruption time；
Wherein, the utility model is shifted gears using aerodynamic force, can be utilized the existing gas source of vehicle to greatest extent, significantly be dropped
Low agency cost.
Wherein, pneumatic actuator has small in size, and structure is simple, reliable performance, the high advantage of the shift service life frequency.
Wherein, pneumatic gyropilot is made of three sets of gearshift assemblies independent, the failure of a set of mechanism
The working condition of other set mechanism is not interfered with, there is double reliability advantage.
The core component of the pneumatic gyropilot of three shaft transmissions of the utility model is solenoid valve 2, cylinder 11 and biography
Sensor all has rich service life frequency standby amount, is convenient for mechanism assembly later period, frequency service life upward mobility.
As a kind of feasible implementation, the casing wall of the cylinder 11 is a part of shell.
As a kind of feasible implementation, three piston rods 3 are parallel.
As a kind of feasible implementation, tappet 5 is axially perpendicular to the axial direction of the piston rod 3 matched.
As a kind of feasible implementation, tappet 5 is connected on shell 1 by shaft hole matching, and 5 front end of tappet exists
It is connect in shell 1 with the gear shifting pulling head 4 matched；The setting of angular displacement sensor 6 is outer in shell 1 and connect with 5 front end of tappet.
So, it is ensured that the stability and accuracy of the rotation of tappet 5 improve the position detection accuracy of gear shifting pulling head 4.
It is set on connecting plate 51 as a kind of feasible implementation as shown in figure 3, connecting plate 51 is arranged in 5 front end of tappet
Set sliding slot；Driving lever 41 is arranged in the side of gear shifting pulling head 4, and driving lever 41 is threaded through in sliding slot.In this way, the movement of gear shifting pulling head 4 drives
The movement of driving lever 41, the driving lever 41 that is arranged in sliding slot drive the axle center along tappet 5 of connecting plate 51 to be deflected, drive with
The rotation of lever 5 is realized linear motion being changed into circular motion.
As a kind of further feasible implementation, 51 place plane of connecting plate is parallel to the shift matched and dials
The axial direction of first 4 extending direction and the piston rod 3 matched, the center that sliding slot is swung and swung centered on the axle center of tappet 5
Axial direction of the line perpendicular to piston rod 3；Driving lever 41 it is axial perpendicular to 51 place plane of connecting plate.So, it is ensured that driving lever 41
Linear motion be changed into tappet 5 rotational angle it is maximum, and then reduce error when angular displacement sensor 6 detects.
As a kind of feasible implementation, gear shifting pulling head 4 is fixedly connected by spool pin with piston rod 3, is so convenient for
Tooling.
As a kind of feasible implementation, solenoid valve block includes six solenoid valves 2, and every two solenoid valves 2 control respectively
The cavity of the two sides of one cylinder 11.
As a kind of feasible implementation, mounting bracket or mounting hole are set on shell 1, facilitate three shaft transmissions pneumatic
Gyropilot is mounted on speed changer.
As a kind of feasible implementation, three piston rods 3 are parallel to each other and in the same plane, the piston with two sides
The axis parallel for two tappets 5 that bar 3 matches is matched in three 3 place planes of piston rod with intermediate piston rod 3
The axis perpendicular of tappet 5 is in three 3 place planes of piston rod.In this way, can be convenient the arrangement of angular displacement sensor 6.
Claims (9)
1. a kind of pneumatic gyropilot of three shaft transmissions, which is characterized in that including shell (1), solenoid valve (2), three work
Stopper rod (3), gear shifting pulling head (4), three tappets (5) and three angular displacement sensors (6)；
Three cylinders (11) are arranged in shell (1) side, and piston rod (3) are respectively set in cylinder (11)；In shell (1), every
One gear shifting pulling head (4) is set on piston rod (3), and gear shifting pulling head (4) is flexibly connected and shifts gears with tappet (5) front end of cooperation
The linear motion of shifting block (4) drives the tappet (5) of cooperation to be circumferentially rotated, tappet (5) end and the angle that matches
Displacement sensor (6) connection；
Piston rod (3) axial direction for extending perpendicularly to match of gear shifting pulling head (4) and shell (1) is stretched out in front end；
Solenoid valve block is arranged in shell (1) outside, and cylinder (11) is connect by solenoid valve (2) with the high-pressure air source of vehicle, solenoid valve block
It is electrically connected with gearbox controller, angular displacement sensor (6) is electrically connected with gearbox controller.
2. the pneumatic gyropilot of three shaft transmissions as described in claim 1, which is characterized in that three piston rods (3) are flat
Row.
3. the pneumatic gyropilot of three shaft transmissions as described in claim 1, which is characterized in that tappet (5) axially hangs down
Directly in the axial direction of the piston rod (3) matched.
4. the pneumatic gyropilot of three shaft transmissions as described in claim 1, which is characterized in that tappet (5) passes through axis
Hole is cooperatively connected on shell (1), and tappet (5) front end is connect in shell (1) with the gear shifting pulling head (4) matched；Angle position
Displacement sensor (6) is arranged outside shell and connect with tappet (5) front end.
5. the pneumatic gyropilot of three shaft transmissions as described in claim 1, which is characterized in that tappet (5) front end is set
It sets connecting plate (51), sliding slot is arranged on (51) in connecting plate；Driving lever (41) are arranged in the side of gear shifting pulling head (4), and driving lever (41) is worn
In sliding slot.
6. the pneumatic gyropilot of three shaft transmissions as claimed in claim 5, which is characterized in that flat where connecting plate (51)
Face is parallel to the axial direction of gear shifting pulling head (4) extending direction matched with the piston rod (3) matched, and sliding slot is with tappet (5)
Axle center centered on swing and swing central axis in the axial direction of piston rod (3)；Driving lever (41) it is axial perpendicular to connection
Plane where plate (51).
7. the pneumatic gyropilot of three shaft transmissions as described in claim 1, which is characterized in that gear shifting pulling head (4) passes through
Spool pin is fixedly connected with piston rod (3).
8. the pneumatic gyropilot of three shaft transmissions as described in claim 1, which is characterized in that solenoid valve block includes six
Solenoid valve (2), every two solenoid valve (2) control the cavity of the two sides of a cylinder (11) respectively.
9. the pneumatic gyropilot of three shaft transmissions as described in claim 1, which is characterized in that three piston rod (3) phases
Mutually in parallel and in the same plane, the axis parallel of two tappets (5) matched with the piston rod (3) of two sides is in three work
Plane where stopper rod (3), the axis perpendicular of the tappet (5) matched with intermediate piston rod (3) is in three piston rod (3) institutes
In plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756534.0U CN208442262U (en) | 2018-05-21 | 2018-05-21 | A kind of pneumatic gyropilot of three shaft transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756534.0U CN208442262U (en) | 2018-05-21 | 2018-05-21 | A kind of pneumatic gyropilot of three shaft transmissions |
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| Publication Number | Publication Date |
|---|---|
| CN208442262U true CN208442262U (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820756534.0U Active CN208442262U (en) | 2018-05-21 | 2018-05-21 | A kind of pneumatic gyropilot of three shaft transmissions |
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| CN (1) | CN208442262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561549A (en) * | 2018-05-21 | 2018-09-21 | 陕西法士特齿轮有限责任公司 | The pneumatic gyropilot of three shaft transmissions of one kind and its control method |
-
2018
- 2018-05-21 CN CN201820756534.0U patent/CN208442262U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561549A (en) * | 2018-05-21 | 2018-09-21 | 陕西法士特齿轮有限责任公司 | The pneumatic gyropilot of three shaft transmissions of one kind and its control method |
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