CN219890453U - Mechanical multi-turn absolute value encoder - Google Patents
Mechanical multi-turn absolute value encoder Download PDFInfo
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- CN219890453U CN219890453U CN202320881955.7U CN202320881955U CN219890453U CN 219890453 U CN219890453 U CN 219890453U CN 202320881955 U CN202320881955 U CN 202320881955U CN 219890453 U CN219890453 U CN 219890453U
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Abstract
The utility model discloses a mechanical multi-turn absolute value encoder, which relates to the technical field of encoders and comprises a main body, wherein an output end is arranged on the outer surface of a shell, a master control switch is arranged on the outer surface of the shell, a fixing bolt is fixedly arranged at one end of the main body, one end of the main body is in transmission connection with an input shaft, one end of the input shaft is positioned in the shell and is in driving connection with a gear set, and an absolute value code shaft is arranged in the main body. The absolute value code shaft and the decoder are arranged in the encoder, a group of unique binary code Gray codes are obtained by reading the optical channel score lines of the absolute value code shaft, the encoder memorizes the absolute value code shaft and the decoder, the mechanical position determination coding is realized, no electronic signal memorizing is needed, the machine has excellent anti-interference characteristic, the reliability is greatly improved, the unique principle of absolute coding is met through multi-gear multi-circle coding of the gear group, the encoder is suitable for multi-angle coding measurement of a range, and the application range is wider.
Description
Technical Field
The utility model relates to the technical field of encoders, in particular to a mechanical multi-turn absolute value encoder.
Background
An encoder is a device that compiles, converts, or communicates, transmits, and stores signals or data into a signal form. The encoder converts angular displacement or linear displacement into an electric signal, and the encoder can be divided into a contact type encoder and a non-contact type encoder according to a reading mode; the encoders can be classified into incremental and absolute value according to the working principle, and each position of the absolute value encoder corresponds to a certain digital code, so that its indication value is only related to the start and end positions of the measurement, and is not related to the middle process of the measurement. The following problems exist in the prior art:
when the single-circle encoder of the single gear rotates more than 360 degrees, the codes return to the original point, absolute codes cannot be made, and the unique principle of absolute codes is not met, so that the single-circle encoder of the single gear is only suitable for measuring codes within 360 degrees in the rotation range, the application range is limited, and meanwhile, some encoders adopt electronics to determine and record the codes, are easy to be interfered and are unstable.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the mechanical multi-turn absolute value encoder comprises a main body, wherein the main body comprises a shell, an output end is arranged on the outer surface of the shell, a master control switch is arranged on the outer surface of the shell, a fixing bolt is fixedly arranged at one end of the main body, an input shaft is connected with one end of the main body in a transmission manner, a gear set is connected with one end of the input shaft and positioned in the shell in a driving manner, and the gear set comprises a driving gear; the driving gear comprises a driving gear body; an absolute value code shaft is arranged in the main body.
The technical scheme of the utility model is further improved as follows: the main body is internally provided with a decoder, and one end of the decoder is connected with an absolute value code shaft electrical signal output.
The technical scheme of the utility model is further improved as follows: the other end of the decoder is electrically output-connected with the output end, and the absolute value code shaft is externally connected with equipment through the decoder and the output end.
The technical scheme of the utility model is further improved as follows: the upper part of the driving gear is coaxially connected with a coaxial gear in a rotating way, a third gear is meshed with the top of the driving gear, a second gear is meshed with one side of the driving gear, and the driving gear is connected with a first gear through the coaxial gear in a meshing way.
The technical scheme of the utility model is further improved as follows: the input shaft is connected with the driving gear and the coaxial gear through transmission.
The technical scheme of the utility model is further improved as follows: the middle part of drive gear is provided with the input link, coaxial spread groove has been seted up between the middle part of drive gear and the input link.
The technical scheme of the utility model is further improved as follows: the coaxial gears of the gear set are fixedly arranged on the driving gear through coaxial connecting grooves, and the input shaft is fixedly connected with the driving gear through an input connecting end.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a mechanical multi-turn absolute value encoder, wherein an absolute value code shaft and a decoder are arranged in the encoder, the absolute value code shaft is in transmission connection with a gear set, one end of the decoder is in electric signal output connection with the absolute value code shaft, the absolute value code shaft is externally connected with equipment through the decoder and an output end, the absolute value code shaft can be sequentially arranged through a plurality of optical channel reticles, each position of the absolute value code shaft is read through the optical channel reticles, and a group of unique binary coded Gray codes are obtained. The encoder is memorized by the absolute value code shaft and the decoder, the encoder realizes mechanical position determination coding by the gear set, does not need to memorize an electronic signal, does not need to find a reference point, does not need to count all the time, and can read the position of the mechanical gear set when the position is needed to be known.
2. The utility model provides a mechanical multi-turn absolute value encoder, which is characterized in that under the combined action of a driving gear, a first gear, a coaxial gear, a second gear and a third gear of a gear set, the driving gear comprises a driving gear body, an input shaft connecting end and a coaxial connecting groove, the coaxial gear is fixedly arranged on the driving gear through the coaxial connecting groove to form coaxial rotation connection, the input shaft is fixedly connected with the driving gear through the input shaft connecting end, the input end further drives the driving gear to rotate, meanwhile, the coaxial gear, the engaged second gear, the engaged third gear and the first gear are driven to jointly rotate, the absolute value encoder realizes multi-turn encoding, when the gears rotate, the gear set can be driven to jointly rotate, when the gears rotate excessively, a plurality of groups of gears can still encode and record, absolute encoding is realized, and the absolute encoding accords with the unique principle of absolute encoding.
Drawings
FIG. 1 is a schematic diagram of a mechanical multi-turn absolute value encoder according to the present utility model;
FIG. 2 is a schematic diagram of a gear set of the present utility model;
FIG. 3 is a schematic diagram of a driving gear according to the present utility model;
fig. 4 is a schematic view of the internal section of the housing of the present utility model.
In the figure: 1. a main body; 2. an input shaft; 3. a gear set; 4. a fixing bolt; 5. a housing; 6. a master control switch; 7. an output end; 8. an absolute value code axis; 9. a decoder; 31. a first gear; 32. a drive gear; 33. a coaxial gear; 34. a second gear; 35. a third gear; 321. a drive gear body; 322. a coaxial connecting groove; 323. and the input shaft is connected with the end.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a mechanical multi-turn absolute value encoder, which comprises a main body 1, wherein the main body 1 comprises a shell 5, an output end 7 is arranged on the outer surface of the shell 5, a master control switch 6 is arranged on the outer surface of the shell 5, a fixing bolt 4 is fixedly arranged at one end of the main body 1, one end of the main body 1 is in transmission connection with an input shaft 2, one end of the input shaft 2 is connected with a gear set 3 in an internal driving manner and positioned in the shell 5, an absolute value code shaft 8 is arranged in the main body 1, a decoder 9 is arranged in the main body 1, one end of the decoder 9 is electrically and signally connected with the absolute value code shaft 8, the other end of the decoder 9 is electrically and externally connected with the output end 7, and the absolute value code shaft 8 is externally connected with equipment through the decoder 9 and the output end 7.
In this embodiment, an absolute value code shaft 8 and a decoder 9 are disposed inside the encoder, the absolute value code shaft 8 is in transmission connection with the gear set 3, one end of the decoder 9 is in electrical signal output connection with the absolute value code shaft 8, the absolute value code shaft 8 is externally connected with the output end 7 through the decoder 9, multiple optical channel reticles are disposed on the absolute value code shaft 8, each of the multiple optical channel reticles is sequentially arranged, and a set of unique binary coded gray codes is obtained by reading the optical channel reticles at each position of the absolute value code shaft 8. The encoder is memorized by the absolute value code shaft and the decoder, the encoder realizes mechanical position determination coding by the gear set 3, does not need to memorize an electronic signal, does not need to find a reference point, does not need to count all the time, and can read the position of the mechanical gear set when the position is needed to be known.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: the preferred gear set 3 comprises a drive gear 32, a coaxial gear 33 is coaxially connected above the drive gear 32 in a rotating manner, a third gear 35 is meshed with the top of the drive gear 32, a second gear 34 is meshed with one side of the drive gear 32, the drive gear 32 is connected with a first gear 31 in a meshing driving manner through the coaxial gear 33, an input shaft 2 is connected with the drive gear 32 and the coaxial gear 33 through transmission, the drive gear 32 comprises a drive gear body 321, an input shaft connecting end 323 is arranged in the middle of the drive gear 32, a coaxial connecting groove 322 is formed in the middle of the drive gear 32 and between the input shaft connecting ends 323, the coaxial gear 33 of the gear set 3 is fixedly arranged on the drive gear 32 through the coaxial connecting groove 322, and the input shaft 2 is fixedly connected with the drive gear 32 through the input shaft connecting end 323.
In this embodiment, under the combined action of the driving gear 32, the first gear 31, the coaxial gear 33, the second gear 34 and the third gear 35 of the gear set 3, the driving gear 32 includes a driving gear body 321, an input shaft connecting end 323 and a coaxial connecting groove 322, the coaxial gear 33 is fixedly installed on the driving gear 32 through the coaxial connecting groove 322 to form coaxial rotation connection, the input shaft 2 is fixedly connected with the driving gear 32 through the input shaft connecting end 323, the input end 2 further drives the driving gear 32 to rotate, and simultaneously drives the coaxial gear 33, the engaged second gear 34, the engaged third gear 35 and the first gear 31 to jointly rotate.
The working principle of the mechanical multi-turn absolute value encoder is described in detail below.
As shown in fig. 1-4, an absolute value code shaft 8 and a decoder 9 are arranged in the encoder, the absolute value code shaft 8 is in transmission connection with the gear set 3, one end of the decoder 9 is in electrical signal output connection with the absolute value code shaft 8, the absolute value code shaft 8 is externally connected with an output end 7 through the decoder 9, the absolute value code shaft 8 can be provided with a plurality of optical channel reticles, each of the reticles is orderly arranged, and a group of unique binary coded gray codes is obtained by reading the optical channel reticles at each position of the absolute value code shaft 8. The encoder is memorized by the absolute value code shaft and the decoder, the encoder realizes the mechanical position determination encoding by the gear set 3, does not need to memorize an electronic signal, does not need to find a reference point, does not need to count all the time, and needs to read the position of the mechanical gear set when knowing the position.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. A mechanical multi-turn absolute value encoder comprising a body (1), characterized in that: the automatic control device comprises a main body (1), and is characterized in that the main body (1) comprises a shell (5), an output end (7) is arranged on the outer surface of the shell (5), a master control switch (6) is arranged on the outer surface of the shell (5), a fixing bolt (4) is fixedly arranged at one end of the main body (1), an input shaft (2) is connected with one end of the main body (1) in a transmission manner, a gear set (3) is connected with one end of the input shaft (2) and is positioned in the shell (5) in a driving manner, and the gear set (3) comprises a driving gear (32); the driving gear (32) comprises a driving gear body (321); an absolute value code shaft (8) is arranged in the main body (1).
2. A mechanical multi-turn absolute value encoder according to claim 1, characterized in that: the main body (1) is internally provided with a decoder (9), and one end of the decoder (9) is connected with an electrical signal output of the absolute value code shaft (8).
3. A mechanical multi-turn absolute value encoder according to claim 2, characterized in that: the other end of the decoder (9) is electrically output-connected with the output end (7), and the absolute value code shaft (8) is externally connected with equipment through the decoder (9) and the output end (7).
4. A mechanical multi-turn absolute value encoder according to claim 1, characterized in that: the upper part of the driving gear (32) is coaxially connected with a coaxial gear (33) in a rotating way, a third gear (35) is meshed with the top of the driving gear (32), a second gear (34) is meshed with one side of the driving gear (32), and the driving gear (32) is connected with a first gear (31) through the meshing of the coaxial gear (33).
5. A mechanical multi-turn absolute value encoder according to claim 4, wherein: the input shaft (2) is connected with a driving gear (32) and a coaxial gear (33) through a transmission.
6. A mechanical multi-turn absolute value encoder according to claim 1, characterized in that: the middle part of drive gear (32) is provided with input link (323), coaxial spread groove (322) have been seted up between the middle part and being located input link (323) of drive gear (32).
7. A mechanical multi-turn absolute value encoder according to claim 6, wherein: the coaxial gear (33) of the gear set (3) is fixedly arranged on the driving gear (32) through a coaxial connecting groove (322), and the input shaft (2) is fixedly connected with the driving gear (32) through an input connecting end (323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320881955.7U CN219890453U (en) | 2023-04-19 | 2023-04-19 | Mechanical multi-turn absolute value encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320881955.7U CN219890453U (en) | 2023-04-19 | 2023-04-19 | Mechanical multi-turn absolute value encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890453U true CN219890453U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320881955.7U Active CN219890453U (en) | 2023-04-19 | 2023-04-19 | Mechanical multi-turn absolute value encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890453U (en) |
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2023
- 2023-04-19 CN CN202320881955.7U patent/CN219890453U/en active Active
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