CN210180672U - Transmission assembly free variation of shifting volume of shifting measures and examines utensil - Google Patents
Transmission assembly free variation of shifting volume of shifting measures and examines utensil Download PDFInfo
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- CN210180672U CN210180672U CN201921218830.6U CN201921218830U CN210180672U CN 210180672 U CN210180672 U CN 210180672U CN 201921218830 U CN201921218830 U CN 201921218830U CN 210180672 U CN210180672 U CN 210180672U
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Abstract
The utility model relates to a derailleur assembly free variation volume of shifting measures and examines utensil, including the coupling mechanism who is used for connecting cable support and rocking arm, be equipped with on the coupling mechanism and examine a groove, it is U type groove to examine a groove, the cylindric lock of rocking arm is arranged in U type inslot, U type groove is provided with relative first lateral wall and the second lateral wall that sets up, during the rocking arm neutral position, the cylindric lock with be provided with first interval between the first lateral wall of U type groove, the cylindric lock with be provided with the second interval between the second lateral wall in U type groove, the cylindric lock center pin with U type groove axis is parallel or the coincidence. The gauge can detect the variation of the rocker arm of the transmission, and when the variation exceeds a preset value, the cylindrical pin of the rocker arm touches the side wall of the U-shaped groove in the gauge so as to know that the transmission is unqualified to be installed.
Description
Technical Field
The invention relates to a transmission measuring device, in particular to a transmission assembly gear shifting free variation measuring gauge.
Background
The transmission assembly is arranged in a whole vehicle, and the change amount of the gear shifting angle of a rocker arm of the transmission is overlarge, so that a sliding gear or a non-engaging gear can be caused. And if the phenomenon of gear not being engaged or slipping occurs in the running process of the whole vehicle on the road, potential safety hazards are likely to occur.
Disclosure of Invention
In order to guarantee that the fluctuation amount of the installed rocker arm in the gear shifting process meets the requirement, the transmission assembly gear shifting free fluctuation amount measuring gauge is provided.
The technical scheme adopted by the invention is as follows: a transmission assembly shifting free variation measuring gauge comprises a connecting mechanism used for connecting a cable support and a rocker arm, wherein a gauge groove is formed in the connecting mechanism and is a U-shaped groove, a cylindrical pin of the rocker arm is arranged in the U-shaped groove, the U-shaped groove is provided with a first side wall and a second side wall which are oppositely arranged, a first interval is formed between the cylindrical pin and the first side wall of the U-shaped groove when the rocker arm is in a neutral position, a second interval is formed between the cylindrical pin and the second side wall of the U-shaped groove, a central shaft of the cylindrical pin is parallel to or coincided with the axis of the U-shaped groove, and the first interval is equal to the second interval.
The positioning mechanism is characterized by further comprising a positioning block used for positioning the relative position of the cylindrical pin and the U-shaped groove, a groove hole tightly matched with the cylindrical pin is formed in the positioning block, the cylindrical pin extends into the groove hole, a first groove matched with the positioning block is formed in the connecting mechanism, and when the positioning block is arranged in the first groove, the central axis of the groove hole of the positioning block is parallel to or coincided with the axis of the U-shaped groove.
Furthermore, the depth direction of the first groove is consistent with the axial direction of the U-shaped groove.
The positioning mechanism is characterized by further comprising a positioning block used for positioning the relative position of the cylindrical pin and the U-shaped groove, wherein a groove hole tightly matched with the cylindrical pin is formed in the positioning block, the cylindrical pin extends into the groove hole, a first positioning hole is formed in the positioning block, a second positioning hole is formed in the connecting mechanism, and the positioning block and the connecting mechanism are fixed through a shaft pin after the first positioning hole and the second positioning hole are opposite.
Furthermore, one end of the connecting mechanism, which is connected with the inhaul cable support, is provided with a first clamping plate and a second clamping plate which are oppositely arranged, and the inhaul cable support is fixedly connected with the connecting mechanism and the inhaul cable support through a clamping bolt after being arranged between the first clamping plate and the second clamping plate.
Further, the connecting mechanism is a telescopic mechanism.
Furthermore, the connecting mechanism comprises a first connecting piece connected with the rocker arm and a second connecting piece connected with the inhaul cable support, a boss is arranged on the second connecting piece, a second groove corresponding to the boss is formed in the first connecting piece, the boss is adjusted to be in the second groove, the relative position of the first connecting piece and the second connecting piece is adjusted, and the boss and the second groove are fixedly connected through a fastening bolt.
Further, the first distance and the second distance are obtained according to the set value of the swing arm fluctuation amount and the distance from the swing arm to the cylindrical pin.
The beneficial effects produced by the invention comprise: the invention avoids directly measuring the gear shifting variation, the measurement difficulty is large, the measurement is inaccurate, the requirement of the distance range from the center of the cylindrical pin to the center of the gear shifting inhaul cable support is converted into the shaking amount of the rocker arm cylindrical pin, and if the rocker arm cylindrical pin is contacted with the inner wall of the U-shaped groove, the gear shifting variation is unqualified; if the rocker arm cylindrical pin is not in contact with the inner wall of the U-shaped groove, the gear shifting variation is qualified. The invention ensures that the measurement of the gear shifting variation is more visual, efficient and accurate. The invention greatly reduces the misjudgment caused by inaccurate measurement of the original inspection method, thereby avoiding safety accidents caused by faults of sliding gears or gear failure, and the like, and further ensuring the quality of the whole vehicle.
Drawings
FIG. 1 is a schematic structural view of a transmission assembly shift free variation measurement fixture according to the present invention;
FIG. 2 is a schematic view showing a connection structure of a positioning hole, a cylindrical pin and a connection mechanism according to the present invention;
FIG. 3 is a schematic view of the construction of the connection mechanism of the present invention;
FIG. 4 is a schematic view of a positioning block according to the present invention;
FIG. 5 is a schematic view of the position structure of the cylindrical pin and the connecting mechanism in the present invention;
FIG. 6 is a schematic view of the connection between the second connecting member and the cable bracket according to the present invention.
In the figure, 1, a connecting mechanism, 101, a first connecting piece, 102, a second connecting piece, 103, a boss, 104, a second groove, 105, a U-shaped groove, 1051, a first side wall, 1052, a second side wall, 106, a first clamping plate, 107, a second clamping plate, 2, a rocker arm, 201, a cylindrical pin, 3, a positioning block, 301, a slotted hole, 4, a first positioning hole, 5, a second positioning hole, 6, a first distance, 7, a second distance, 8, a cable support, 9, a fastening bolt, 10, a clamping bolt, 11 and a shaft pin.
Detailed Description
The present invention is explained in further detail below with reference to the drawings and the specific embodiments, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
As shown in the figure, the transmission assembly gear-shifting free variation measuring gauge comprises a connecting mechanism 1 and a positioning block 3, wherein the connecting mechanism 1 is used for connecting a cable support 8 and a rocker arm 2, in order to ensure the relative position of the cylindrical pin 201 on the rocker arm 2 and the transmission, the connecting mechanism 1 is provided with a detection tool groove which is a U-shaped groove 105, the cylindrical pin 201 of the rocker arm 2 is arranged in the U-shaped groove 105, when the rocker arm 2 is in a neutral position, a set interval is arranged between the outer wall of the cylindrical pin 201 and the inner wall of the U-shaped groove 105, a first interval 6 is arranged between the cylindrical pin 201 and the first side wall 1051 of the U-shaped groove 105, a second interval 7 is arranged between the cylindrical pin 201 and the second side wall 1052 of the U-shaped groove 105, the first interval 6 and the second interval 7 are set according to the acceptable variation of the rocker arm 2, according to the acceptable swing arm variation amount, the change of the distance between the cylindrical pin 201 and the cable bracket 8 is converted. The central axis of the cylindrical pin 201 is parallel to or coincident with the axis of the U-shaped groove 105.
The distance between the outer wall of the cylindrical pin 201 and the inner wall of the U-shaped groove 105 is set according to the maximum variation of the rocker arm 2, and the variation of the rocker arm is converted into the variation of the distance between the cylindrical pin 201 and the inhaul cable support 8. If the maximum variation of the rocker arm is 10 ° in this embodiment, the right-left shaking distance of the cylindrical pin is obtained according to the distance from the rocker arm to the cylindrical pin and the maximum variation of 10 °, in this embodiment, the shaking distance is 1.5mm when the rocker arm is shaken 10 ° leftwards, and the shaking distance is 1.5mm when the rocker arm is shaken 10 ° rightwards, so that the first distance and the second distance can be set to be 1.5mm or less than 1.5 mm.
In order to realize accurate positioning of the position of the cylindrical pin 201 in the U-shaped groove 105 when the rocker arm 2 is in a neutral position, the device also comprises a positioning block 3 for positioning the relative position of the cylindrical pin 201 and the U-shaped groove 105, a slotted hole 301 tightly matched with the cylindrical pin 201 is arranged on the positioning block 3, the cylindrical pin 201 extends into the slotted hole 301, a first groove matched with the positioning block 3 is arranged on the connecting mechanism 1, when the positioning block 3 is arranged in the first groove, the central axis of the slotted hole 301 of the positioning block 3 is parallel to or coincident with the axis of the U-shaped groove 105, namely, the relative position of the positioning block 3 and the U-shaped groove 105 realizes accurate positioning through the first groove, and the cylindrical pin 201 and the positioning block 3 realize accurate positioning through the slotted hole 301, therefore, when the cylindrical pin 201 is fixed in the U-shaped groove 105 through the positioning block 3, the distance between the cylindrical pin 201 and the two side walls 105 of the U, that is, the distance between the cylindrical pin 201 and two side walls of the U-shaped groove 105 when the rocker arm 2 is in the neutral position is ensured, and if the positioning block 3 is not provided, the cylindrical pin 201 is directly inserted into the U-shaped groove 105, so that the position of the cylindrical pin 201 in the U-shaped groove 105 cannot be ensured.
As another embodiment of the positioning connection between the positioning block 3 and the U-shaped groove 105, the positioning block 3 and the connecting mechanism 1 are connected by a pin shaft, a first positioning hole 4 is formed in the positioning block 3, a second positioning hole 5 is formed in the connecting mechanism 1, the positioning block 3 and the connecting mechanism 1 are fixed by a pin shaft 11 after the first positioning hole 4 and the second positioning hole 5 are opposite to each other, and the fixing of the relative position between the positioning block 3 and the U-shaped groove 105 is further achieved.
The connection mode of the connection mechanism 1 and the cable bracket 8 in this embodiment is as follows: one end of the connecting mechanism 1, which is connected with the cable bracket 8, is provided with a first clamping plate 106 and a second clamping plate 107 which are oppositely arranged, and the cable bracket 8 is fixedly connected with the connecting mechanism and the cable bracket 8 through a clamping bolt 10 after being arranged between the first clamping plate 106 and the second clamping plate 107.
In order to adapt to the distance between the cylindrical pin 201 and the cable support 8 in each transmission, in this embodiment, the connecting mechanism 1 is a length-adjustable telescopic mechanism, the connecting mechanism 1 includes a first connecting piece connected with the rocker arm 2 and a second connecting piece 102 connected with the cable support 8, the second connecting piece is provided with a boss 103, the first connecting piece 102 is provided with a second groove 104 corresponding to the boss 103, the position of the boss 103 in the second groove 104 is adjusted to adjust the relative position of the first connecting piece and the second connecting piece 102, and the boss 103 and the second groove 104 are fixedly connected through a fastening bolt 9.
In this embodiment, the diameter of the slot 301 of the positioning block 3 is 8 mm +/-0.02 mm, and the diameter of the cylindrical pin 201 is 8 mm. The width of the U-shaped groove 105 is 11-0.05 mm or less to ensure that the variation of the transmission meets the requirement.
The detection method of the transmission assembly gear-shifting free variation measurement gauge comprises the following steps:
s01, the rocker arm 2 is in a neutral position, the cylindrical pin 201 is connected with the positioning block 3, and the cylindrical pin 201 is placed in the slotted hole 301 of the positioning block 3;
one end of the S02 connecting mechanism 1 is connected with the inhaul cable bracket 8, the other end of the connecting mechanism is connected with the positioning block 3, the cylindrical pin 201 of the rocker arm 2 at the neutral position is arranged in the U-shaped groove 105, and the distances between the cylindrical pin 201 and the two side walls of the U-shaped groove 105 are the same;
s03, detaching the positioning block 3;
s04 the rocker arm is slightly shaken to carry out detection, if the cylindrical pin touches the side walls of the two sides of the U-shaped groove in the shaking process, the variation amount is unqualified, otherwise, the variation amount is qualified.
The positioning block 3 is provided with a slotted hole 301 tightly matched with the cylindrical pin 201, the cylindrical pin 201 extends into the slotted hole 301, the connecting mechanism 1 is provided with a first groove matched with the positioning block 3, and when the positioning block 3 is arranged in the first groove, the central axis of the slotted hole 301 of the positioning block 3 is parallel to or coincided with the axis of the U-shaped groove 105.
In this embodiment, the distance between the first side wall and the second side wall is 1.5mm from the outer wall of the cylindrical pin, if the rocker arm is shaken, the cylindrical pin touches the first side wall or the second side wall, the fluctuation amount of the rocker arm exceeds 10 degrees, the product is unqualified, and if the first side wall and the second side wall cannot be touched, the fluctuation amount of the product meets the standard. If the variation is to be controlled more strictly, the distance between the first side wall and the second side wall from the outer wall of the cylindrical pin can be reduced to less than 1.5mm, and the variation can be controlled to a smaller range.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the content of the embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and any changes and modifications made are within the protective scope of the present invention.
Claims (8)
1. The utility model provides a derailleur assembly free variation volume of shifting measures and examines utensil which characterized in that: the connecting mechanism is used for connecting a stay cable support and a rocker arm, a detection groove is formed in the connecting mechanism, the detection groove is a U-shaped groove, a cylindrical pin of the rocker arm is arranged in the U-shaped groove, the U-shaped groove is provided with a first side wall and a second side wall which are oppositely arranged, a first interval is formed between the cylindrical pin and the first side wall of the U-shaped groove when the rocker arm is in a neutral position, a second interval is formed between the cylindrical pin and the second side wall of the U-shaped groove, the central axis of the cylindrical pin is parallel to or coincided with the axis of the U-shaped groove, and the first interval and the second interval are equal.
2. The transmission assembly shift free variation measurement gauge of claim 1, wherein: the positioning mechanism is characterized by further comprising a positioning block used for positioning the relative position of the cylindrical pin and the U-shaped groove, a groove hole tightly matched with the cylindrical pin is formed in the positioning block, the cylindrical pin penetrates into the groove hole, a first groove matched with the positioning block is formed in the connecting mechanism, and when the positioning block is arranged in the first groove, the central axis of the groove hole of the positioning block is parallel to or coincided with the axis of the U-shaped groove.
3. The transmission assembly shift free variation measurement gauge of claim 2, wherein: the depth direction of the first groove is consistent with the axis direction of the U-shaped groove.
4. The transmission assembly shift free variation measurement gauge of claim 1, wherein: the positioning mechanism is characterized by further comprising a positioning block used for positioning the relative position of the cylindrical pin and the U-shaped groove, wherein a groove hole tightly matched with the cylindrical pin is formed in the positioning block, the cylindrical pin penetrates into the groove hole, a first positioning hole is formed in the positioning block, a second positioning hole is formed in the connecting mechanism, and the positioning block and the connecting mechanism are fixed through a shaft pin after the first positioning hole is opposite to the second positioning hole.
5. The transmission assembly shift free variation measurement gauge of claim 1, wherein: the connecting mechanism is connected one end of the cable support is provided with a first clamping plate and a second clamping plate which are oppositely arranged, and the cable support is fixedly connected with the connecting mechanism and the cable support through a clamping bolt after being arranged between the first clamping plate and the second clamping plate.
6. The transmission assembly shift free variation measurement gauge of claim 1, wherein: the connecting mechanism is a telescopic mechanism.
7. The transmission assembly shift free variation measurement gauge of claim 1, wherein: the connecting mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece is connected with the rocker arm, the second connecting piece is connected with the inhaul cable support, a boss is arranged on the second connecting piece, a second groove corresponding to the boss is formed in the first connecting piece, the boss is adjusted to be in the second groove, the relative position of the first connecting piece and the second connecting piece is adjusted, and the boss and the second groove are fixedly connected through a fastening bolt.
8. The transmission assembly shift free variation measurement gauge of claim 1, wherein: the first distance and the second distance are obtained according to the set value of the swing arm variation and the distance from the swing arm to the cylindrical pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218830.6U CN210180672U (en) | 2019-07-31 | 2019-07-31 | Transmission assembly free variation of shifting volume of shifting measures and examines utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218830.6U CN210180672U (en) | 2019-07-31 | 2019-07-31 | Transmission assembly free variation of shifting volume of shifting measures and examines utensil |
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| Publication Number | Publication Date |
|---|---|
| CN210180672U true CN210180672U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921218830.6U Active CN210180672U (en) | 2019-07-31 | 2019-07-31 | Transmission assembly free variation of shifting volume of shifting measures and examines utensil |
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| CN (1) | CN210180672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320027A (en) * | 2019-07-31 | 2019-10-11 | 江苏上汽汽车变速器有限公司 | A kind of transmission assembly shift free variation measurement cubing and its detection method |
-
2019
- 2019-07-31 CN CN201921218830.6U patent/CN210180672U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320027A (en) * | 2019-07-31 | 2019-10-11 | 江苏上汽汽车变速器有限公司 | A kind of transmission assembly shift free variation measurement cubing and its detection method |
| CN110320027B (en) * | 2019-07-31 | 2024-07-26 | 江苏上汽汽车变速器有限公司 | Gear shifting free fluctuation measuring gauge for transmission assembly and detection method thereof |
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