CN215891081U - Automatic gear selecting and shifting mechanism based on MT (transmission) transmission - Google Patents
Automatic gear selecting and shifting mechanism based on MT (transmission) transmission Download PDFInfo
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- CN215891081U CN215891081U CN202121116144.5U CN202121116144U CN215891081U CN 215891081 U CN215891081 U CN 215891081U CN 202121116144 U CN202121116144 U CN 202121116144U CN 215891081 U CN215891081 U CN 215891081U
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- 238000012360 testing method Methods 0.000 description 12
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Abstract
An automatic gear selecting and shifting mechanism based on an MT transmission is characterized in that a gear shifting rocker arm and a gear selecting rocker arm are respectively driven by an automatic gear shifting mechanism and an automatic gear selecting mechanism which are respectively arranged, so that automatic gear selecting and shifting is established; the automatic gear shifting mechanism and the automatic gear selecting mechanism are formed by establishing respective servo-driven link mechanisms. According to the automatic gear selecting and shifting mechanism based on the MT transmission, automatic gear selecting and shifting is realized through the driving of the servo electric cylinder, so that the labor force is reduced, and the labor force is released; the connecting rod directly acts on a gear selecting and shifting rocker arm of the transmission, so that the error problem of the conventional zipper is solved; the gear selecting butt joint tool and the gear shifting butt joint tool are arranged in a replaceable mode, and therefore adaptation with different MT transmission models is established.
Description
Technical Field
The utility model belongs to the field of transmission testing, and particularly relates to an automatic gear selecting and shifting mechanism based on an MT (multiple-input multiple-output) transmission.
Background
The transmission is a very important link of an automobile power assembly, and the overall driving feeling of an automobile is directly influenced by the performance of the transmission, so that each transmission assembly needs to be subjected to performance tests related to NVH and the like before being off-line, namely, an EOL test bench.
MT variators, the most traditionally mature type of variator, have a large market share, so off-line testing of MT variator assemblies is also a significant component of the testing industry.
The gear selecting and shifting mechanism is an important component of an MT transmission offline test bench, the function of the gear selecting and shifting mechanism is to simulate the state of an MT variable box in a real vehicle, the switching of each gear is realized, and the performance of the gear selecting and shifting mechanism directly influences the test result of the test bench on the gear shifting performance of the transmission. Meanwhile, the gear shifting mechanism also has the functions of gear shifting force testing, gear shifting displacement testing, gear selecting force testing, gear selecting displacement testing and the like. The existing MT transmission offline test table has the following two methods for selecting and shifting gears:
1. the gear selecting and shifting actions are manually completed through the zipper;
2. and the mechanical hand replaces manual work to complete gear selecting and shifting actions through the zipper.
The method needs a person to do the gear selecting and shifting operation with full time, and has compact tempo and large labor capacity. Due to the factors of mechanical parts such as a gear selecting and shifting zipper, a gear shifting mechanism and the like, the spatial position of a gear shifting rod is not unique, but has a certain shaking amount, and a mechanical arm needs to be inserted into the gear shifting rod to complete gear selecting and shifting, so that after a certain amount of transmissions are produced, if the position of the gear shifting rod changes, the running track of the mechanical arm needs to be calibrated again.
The application numbers are: 202021008746.4 discloses a "derailleur selects actuating mechanism that shifts", including driving motor, reduction gears, the action of shifting who arranges in proper order, driving motor includes the shell body and stretches out the motor shaft of shell body, and the motor shaft passes through reduction gears and is connected with the action of shifting transmission, the action of shifting includes that the surface has the shift drum that is used for shifting the drive spout along circumference setting, and the drive spout is at least including the section of maintaining that is located same cross section and the section of becoming the orbit that is used for shifting, it is provided with at least 4 to integrate on the shift drum drive spout, reduction gears include the first planet row, the second planet row that concatenate with the motor shaft, and the second planet row includes that one end is equipped with the second planet carrier of connecting the plug bush, shift drum is equipped with and is connected plug bush splined connection's transmission head.
The application numbers are: 202011456083.7 discloses a press-fitting positioning device for a gear-selecting and shifting waveform block of a manual transmission, which comprises a base, a U-shaped positioning block and a guide rod, wherein the U-shaped positioning block and the guide rod are arranged on the base; the positioning hole is used for fixing the end part of the gear selecting and shifting shaft; the U-shaped positioning block is matched with a shifting head on the gear selecting and shifting shaft and used for limiting the shifting head to rotate around the axis of the gear selecting and shifting shaft; and the guide rod is provided with a cylindrical surface which is matched with the waveform area of the waveform block and is used for carrying out radial positioning and axial guiding on the waveform block.
The application numbers are: 202021010458.2, discloses a gear selecting and shifting guide device and a transmission of the transmission, wherein the gear selecting and shifting guide device of the transmission comprises a gear shifting shaft, a gear, a screw rod and a positioning pin; one end of the gear shifting shaft is connected with the gear; the outer wall of the gear comprises a first side wall part and a second side wall part which are oppositely arranged; a rack is arranged on the first side wall part and meshed with the screw thread of the screw rod; the second side wall part is provided with a guide groove and a plurality of gear shifting grooves; the guide groove is arranged along the axial direction of the gear; the plurality of gear shifting grooves are intersected with the guide grooves and are arranged at intervals along the axial direction of the gear; one end of the positioning pin is matched with the guide groove, and the other end of the positioning pin is used for being fixed on a shell of the transmission.
SUMMERY OF THE UTILITY MODEL
In order to reduce manpower and improve efficiency and accuracy reflection of measured data, the utility model provides an automatic gear selecting and shifting mechanism based on an MT (multiple terminal) transmission, which has the following technical scheme:
an automatic gear selecting and shifting mechanism based on an MT (MT) transmission is characterized in that:
the gear shifting rocker arm and the gear selecting rocker arm are respectively driven by the automatic gear shifting mechanism and the automatic gear selecting mechanism which are respectively arranged, so that automatic gear selecting and shifting is established;
the automatic gear shifting mechanism and the automatic gear selecting mechanism are formed by establishing respective servo-driven link mechanisms.
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
the automatic gear shifting mechanism and the automatic gear selecting mechanism which are respectively arranged are integrated.
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
the automatic gear shifting mechanism formed by the servo-driven link mechanism specifically comprises:
arranging a first servo electric cylinder mounting seat (1) and a bearing seat (2);
a first servo electric cylinder (3) is arranged on the first servo electric cylinder mounting seat (1);
a connecting shaft (4) is arranged on the bearing seat (2);
the first servo electric cylinder (3) is connected with the shaft end of the connecting shaft (4) through a first connecting rod (5) and an upper connecting rod (6) which are connected in sequence;
and the other shaft end of the connecting shaft (4) is connected with the gear shifting rocker arm through a lower connecting rod (7) and a butt joint tool.
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
the automatic gear selecting mechanism formed by the servo-driven link mechanism specifically comprises:
arranging a second servo electric cylinder mounting seat (8);
a second servo electric cylinder (9) is arranged on the second servo electric cylinder mounting seat (8);
and the second servo electric cylinder (9) is connected with the gear selection rocker arm through a second connecting rod (10) and a butt joint tool which are sequentially connected.
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
the butt joint tool is a gear shifting sleeve (11).
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
the plane of the first servo electric cylinder mounting seat (1) and the plane of the bearing seat (2) are vertically arranged in space.
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
a kidney-shaped hole (12) is formed in the first connecting rod (5), and the first servo electric cylinder (3) is connected with the first connecting rod (5) through the kidney-shaped hole (12).
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
the butt joint tool is a gear selecting connecting rod (13).
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
a bracket (14) is arranged on the second servo electric cylinder mounting seat (8) in an extending way;
the butt joint tool is fixedly arranged on the bracket (14),
the plane where the butt joint tool is located is formed by the connecting point of the butt joint tool and the second connecting rod (10) and the connecting point of the butt joint tool and the support (14), and is perpendicular to the plane where the second connecting rod (10) is located in space.
The utility model discloses an automatic gear selecting and shifting mechanism based on an MT (MT) transmission, which is characterized in that:
the butt joint tool is arranged in a replaceable mode.
11. An automatic gear selecting and shifting mechanism based on an MT speed changer is characterized in that:
a gear shifting displacement sensor (15) and a gear shifting force sensor (16) are respectively arranged on the first connecting rod (5);
a gear selection displacement sensor (17) and a gear selection force sensor (18) are respectively arranged on the second connecting rod (10).
According to the automatic gear selecting and shifting mechanism based on the MT transmission, automatic gear selecting and shifting is realized through the driving of the servo electric cylinder, so that the labor force is reduced, and the labor force is released; the connecting rod directly acts on a gear selecting and shifting rocker arm of the transmission, so that the error problem of the conventional zipper is solved; the gear selecting butt joint tool and the gear shifting butt joint tool are arranged in a replaceable mode, so that adaptation with different MT transmission machine types is established; the waist hole type connection relation of the connecting rod and the first servo electric cylinder in the gear shifting mechanism can realize automatic alignment and automatic clamping after being driven to a theoretical position, and accordingly stress release is formed, so that displacement can be truly detected, and the measured value is more accurate.
Drawings
FIG. 1 is a schematic structural view of a shift mechanism of the present invention;
FIG. 2 is a schematic structural diagram of a gear selecting mechanism of the present invention;
fig. 3 is a schematic diagram of gear arrangement in the embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1-a first servo electric cylinder mounting seat;
2-bearing seat;
3-a first servo electric cylinder;
4-a connecting shaft;
5-a first link;
6-upper connecting rod;
7-a lower connecting rod;
8-a second servo electric cylinder mounting seat;
9-a second servo electric cylinder;
10-a second link;
11-a shifting sleeve;
12-kidney shaped holes;
13-a gear selection connecting rod;
14-a scaffold;
15-shift displacement sensor;
16-a shifting force sensor;
17-a gear selection displacement sensor;
18-gear selection force sensor.
Detailed Description
An automatic gearshift mechanism for an MT-based transmission according to the present invention will be described in more detail with reference to the drawings and the detailed description.
An automatic gear selecting and shifting mechanism based on an MT speed changer is shown in figures 1 and 2,
the gear shifting rocker arm and the gear selecting rocker arm are respectively driven by the automatic gear shifting mechanism and the automatic gear selecting mechanism which are respectively arranged, so that automatic gear selecting and shifting is established;
the automatic gear shifting mechanism and the automatic gear selecting mechanism are formed by establishing respective servo-driven link mechanisms.
Wherein,
the automatic gear shifting mechanism and the automatic gear selecting mechanism which are respectively arranged are integrated.
Wherein,
the automatic gear shifting mechanism formed by the servo-driven link mechanism specifically comprises:
arranging a first servo electric cylinder mounting seat (1) and a bearing seat (2);
a first servo electric cylinder (3) is arranged on the first servo electric cylinder mounting seat (1);
a connecting shaft (4) is arranged on the bearing seat (2);
the first servo electric cylinder (3) is connected with the shaft end of the connecting shaft (4) through a first connecting rod (5) and an upper connecting rod (6) which are connected in sequence;
and the other shaft end of the connecting shaft (4) is connected with the gear shifting rocker arm through a lower connecting rod (7) and a butt joint tool.
Wherein,
the automatic gear selecting mechanism formed by the servo-driven link mechanism specifically comprises:
arranging a second servo electric cylinder mounting seat (8);
a second servo electric cylinder (9) is arranged on the second servo electric cylinder mounting seat (8);
and the second servo electric cylinder (9) is connected with the gear selection rocker arm through a second connecting rod (10) and a butt joint tool which are sequentially connected.
Wherein,
the butt joint tool is a gear shifting sleeve (11).
Wherein,
the plane of the first servo electric cylinder mounting seat (1) and the plane of the bearing seat (2) are vertically arranged in space.
Wherein,
a kidney-shaped hole (12) is formed in the first connecting rod (5), and the first servo electric cylinder (3) is connected with the first connecting rod (5) through the kidney-shaped hole (12).
Wherein,
the butt joint tool is a gear selecting connecting rod (13).
Wherein,
a bracket (14) is arranged on the second servo electric cylinder mounting seat (8) in an extending way;
the butt joint tool is fixedly arranged on the bracket (14),
the plane where the butt joint tool is located is formed by the connecting point of the butt joint tool and the second connecting rod (10) and the connecting point of the butt joint tool and the support (14), and is perpendicular to the plane where the second connecting rod (10) is located in space.
Wherein,
the butt joint tool is arranged in a replaceable mode.
Wherein,
a gear shifting displacement sensor (15) and a gear shifting force sensor (16) are respectively arranged on the first connecting rod (5);
a gear selection displacement sensor (17) and a gear selection force sensor (18) are respectively arranged on the second connecting rod (10).
Working process, principle and embodiment
The gear selecting and shifting mechanism consists of an automatic gear shifting mechanism and an automatic gear selecting mechanism, and is shown in figures 1 and 2.
The technical scheme of the utility model is described in the following parts:
1) the gear arrangement of the MT gearbox is schematically shown in fig. 3, the gear shifting mechanism moves up and down to realize the switching of odd gears, even gears and reverse gears, and the gear selecting mechanism moves left and right to realize the switching of gear areas.
2) Automatic gear shifting mechanism
After the gear shifting mechanism is in butt joint with a gear selecting and shifting shaft on the transmission, the gear shifting sleeve 11 is in butt joint with a gear shifting ball head of the transmission, and the first servo electric cylinder 3 drives the first connecting rod 5 and the upper connecting rod 6 to rotate along with the connecting shaft 4, the lower connecting rod 7 and the gear shifting sleeve 11, so that the gear shifting rocker arm of the transmission is driven to rotate, and the gear shifting function is realized. The first servo electric cylinder 3 is arranged on the first servo electric cylinder mounting base 1; the connecting shaft is arranged in the bearing seat 2; the gear shifting force sensor 16 and the gear shifting displacement sensor 15 are used for detecting the gear shifting force and the gear shifting displacement of each gear, the first connecting rod is connected with the first servo electric cylinder 3 through the arranged waist-shaped hole 12, flexible connection is achieved through the waist-shaped hole, the gear shifting sleeve can automatically find and clamp the gear after the servo electric cylinder is pushed in place, stress release is formed in the process, and accordingly the detection displacement is reflected.
3) Automatic gear selecting mechanism
After the gear selecting mechanism is in butt joint with a gear selecting and shifting shaft on the transmission, the gear selecting connecting rod 13 is in butt joint with a gear selecting ball head of the transmission, and the second servo electric cylinder 9, the second connecting rod 10 and the gear selecting connecting rod 13 rotate, so that the gear selecting rocker arm with the transmission rotates, and the gear selecting function is realized. The second servo electric cylinder 9 is fixedly arranged on the second servo electric cylinder mounting base 8, and the gear selecting force sensor 18 and the gear selecting displacement sensor 17 are used for detecting the gear selecting force and the gear selecting displacement of each gear.
According to the automatic gear selecting and shifting mechanism based on the MT transmission, automatic gear selecting and shifting is realized through the driving of the servo electric cylinder, so that the labor force is reduced, and the labor force is released; the connecting rod directly acts on a gear selecting and shifting rocker arm of the transmission, so that the error problem of the conventional zipper is solved; the gear selecting butt joint tool and the gear shifting butt joint tool are arranged in a replaceable mode, so that adaptation with different MT transmission machine types is established; the waist hole type connection relation of the connecting rod and the first servo electric cylinder in the gear shifting mechanism can realize automatic alignment and automatic clamping after being driven to a theoretical position, and accordingly stress release is formed, so that displacement can be truly detected, and the measured value is more accurate.
Claims (11)
1. An automatic gear selecting and shifting mechanism based on an MT (MT) transmission is characterized in that:
the gear shifting rocker arm and the gear selecting rocker arm are respectively driven by the automatic gear shifting mechanism and the automatic gear selecting mechanism which are respectively arranged, so that automatic gear selecting and shifting is established;
the automatic gear shifting mechanism and the automatic gear selecting mechanism are formed by establishing respective servo-driven link mechanisms.
2. The automatic gear selecting and shifting mechanism based on the MT transmission as claimed in claim 1, wherein:
the automatic gear shifting mechanism and the automatic gear selecting mechanism which are respectively arranged are integrated.
3. The automatic gear selecting and shifting mechanism based on the MT transmission as claimed in claim 1, wherein:
the automatic gear shifting mechanism formed by the servo-driven link mechanism specifically comprises:
arranging a first servo electric cylinder mounting seat (1) and a bearing seat (2);
a first servo electric cylinder (3) is arranged on the first servo electric cylinder mounting seat (1);
a connecting shaft (4) is arranged on the bearing seat (2);
the first servo electric cylinder (3) is connected with the shaft end of the connecting shaft (4) through a first connecting rod (5) and an upper connecting rod (6) which are connected in sequence;
and the other shaft end of the connecting shaft (4) is connected with the gear shifting rocker arm through a lower connecting rod (7) and a butt joint tool.
4. The automatic gear selecting and shifting mechanism based on the MT transmission as claimed in claim 1, wherein:
the automatic gear selecting mechanism formed by the servo-driven link mechanism specifically comprises:
arranging a second servo electric cylinder mounting seat (8);
a second servo electric cylinder (9) is arranged on the second servo electric cylinder mounting seat (8);
and the second servo electric cylinder (9) is connected with the gear selection rocker arm through a second connecting rod (10) and a butt joint tool which are sequentially connected.
5. The automatic gear selecting and shifting mechanism based on the MT transmission as claimed in claim 3, wherein:
the butt joint tool is a gear shifting sleeve (11).
6. The automatic gear selecting and shifting mechanism based on the MT transmission as claimed in claim 3, wherein:
the plane of the first servo electric cylinder mounting seat (1) and the plane of the bearing seat (2) are vertically arranged in space.
7. The automatic gear selecting and shifting mechanism based on the MT transmission is characterized in that:
a kidney-shaped hole (12) is formed in the first connecting rod (5), and the first servo electric cylinder (3) is connected with the first connecting rod (5) through the kidney-shaped hole (12).
8. The automatic gear selecting and shifting mechanism based on the MT transmission is characterized in that:
the butt joint tool is a gear selecting connecting rod (13).
9. The automatic gear selecting and shifting mechanism based on the MT transmission is characterized in that:
a bracket (14) is arranged on the second servo electric cylinder mounting seat (8) in an extending way;
the butt joint tool is fixedly arranged on the bracket (14),
the plane where the butt joint tool is located is formed by the connecting point of the butt joint tool and the second connecting rod (10) and the connecting point of the butt joint tool and the support (14), and is perpendicular to the plane where the second connecting rod (10) is located in space.
10. An automatic gear selecting and shifting mechanism based on an MT speed changer is characterized in that:
the butt joint tool is arranged in a replaceable mode.
11. An automatic gear selecting and shifting mechanism based on an MT speed changer is characterized in that:
a gear shifting displacement sensor (15) and a gear shifting force sensor (16) are respectively arranged on the first connecting rod (5);
a gear selection displacement sensor (17) and a gear selection force sensor (18) are respectively arranged on the second connecting rod (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116144.5U CN215891081U (en) | 2021-05-24 | 2021-05-24 | Automatic gear selecting and shifting mechanism based on MT (transmission) transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116144.5U CN215891081U (en) | 2021-05-24 | 2021-05-24 | Automatic gear selecting and shifting mechanism based on MT (transmission) transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554063A (en) * | 2023-11-10 | 2024-02-13 | 宝克(中国)测试设备有限公司 | Gear selecting and shifting mechanism for gearbox test bench and test method |
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2021
- 2021-05-24 CN CN202121116144.5U patent/CN215891081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554063A (en) * | 2023-11-10 | 2024-02-13 | 宝克(中国)测试设备有限公司 | Gear selecting and shifting mechanism for gearbox test bench and test method |
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