CN216512587U - Mounting structure of absolute value encoder and stroke limiter - Google Patents
Mounting structure of absolute value encoder and stroke limiter Download PDFInfo
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- CN216512587U CN216512587U CN202123349345.2U CN202123349345U CN216512587U CN 216512587 U CN216512587 U CN 216512587U CN 202123349345 U CN202123349345 U CN 202123349345U CN 216512587 U CN216512587 U CN 216512587U
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- absolute value
- value encoder
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- stroke limiter
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Abstract
The utility model provides an installation structure of an absolute value encoder and a stroke limiter, which is used for solving the problems of low synchronous rotation precision of the absolute value encoder and a winding drum and overlong axial dimension of the whole machine in the prior art. To achieve the above and other related objects, the present invention provides a mounting structure of an absolute value encoder and a stroke limiter, comprising: the device comprises a reel tail end supporting seat and a deflector rod positioned in the reel tail end supporting seat, wherein the deflector rod is rigidly connected with a reel; one end of the transmission shaft is in coaxial transmission connection with the shifting lever; the absolute value encoder is arranged at the other end of the transmission shaft; the stroke limiting device is provided with a limiting shaft, the limiting shaft and the shifting rod are arranged in parallel, and the transmission mechanism is used for transmitting the power of the transmission shaft to the limiting shaft. The rotary synchronous precision can be effectively improved, and the axial size can be shortened.
Description
Technical Field
The utility model relates to the field of hoisting equipment, in particular to an absolute value encoder and a stroke limiter mounting structure.
Background
The prior art has the following conditions when an absolute value encoder and a stroke limiter are simultaneously installed on a tower crane mechanism:
1) the problem that the rotation precision of an absolute value encoder is difficult to ensure;
2) the axial size of the whole machine is too long;
3) after installation, the coaxial problem is difficult to ensure by manual debugging;
4) after the installation, the problem that the installation precision is lost is caused by accidental collision.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an absolute value encoder and a mounting structure of a stroke limiter, which are used to solve the problem of the prior art that the axial dimension of the whole machine is too long.
To achieve the above and other related objects, the present invention provides a mounting structure of an absolute value encoder and a stroke limiter, comprising:
the lifting rod is rigidly connected with the winding drum;
one end of the transmission shaft is in coaxial transmission connection with the deflector rod;
the absolute value encoder is arranged at the other end of the transmission shaft;
the stroke limiting device is provided with a limiting shaft, the limiting shaft and the shifting rod are arranged in parallel, and the transmission mechanism is used for transmitting the power of the transmission shaft to the limiting shaft.
Optionally, the transmission mechanism includes a first gear and a second gear, the first gear is sleeved on the transmission shaft, the second gear is sleeved on the limiting shaft, and the first gear is engaged with the second gear.
Optionally, the stroke limiter is mounted on a limiter mounting support, and the limiter mounting support is fixed on the winding drum tail end supporting seat.
Optionally, the limiter mounting bracket is capped on the absolute value encoder.
Optionally, the absolute value encoder is connected to the transmission shaft through a backlash-free coupling.
Optionally, the drive shaft is supported by a support bearing.
Optionally, the device further comprises a mounting disc, and the mounting disc and the winding drum tail end supporting seat are matched through a positioning opening and a positioning protrusion to achieve coaxial matching.
Optionally, the transmission shaft and the shifting lever are connected by matching of a driving plate and a rotation stopping shaft, the number of the rotation stopping shafts is at least two, one end of each rotation stopping shaft is axially inserted into the shifting lever, and the other end of each rotation stopping shaft is axially inserted into the driving plate.
As described above, the mounting structure of the absolute value encoder and the stroke limiter according to the present invention has at least the following advantages:
1) the structure of this patent design has adopted the driven mode of biax system, can transmit the rotation of reel for absolute value encoder and stroke limiter simultaneously.
2) Through the machining precision of the mounting disc and the action of the bearing, the coaxial precision between the absolute value encoder and the shifting lever is guaranteed, and high coaxiality can be achieved.
3) Because of the rabbet positioning, the bearing support and the backlash-free coupling connection, when the structure is installed, manual adjustment is not needed, and the coaxial precision can be ensured only by installing in place.
4) The absolute value encoder and the stroke limiter are installed in a staggered mode, and the axial space of the whole machine can be saved.
5) The limiter mounting support covers the outer side of the absolute value encoder and can play a role in protection.
Drawings
Fig. 1 is a schematic view showing an installation structure of an absolute value encoder and a stroke limiter according to the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
Referring to fig. 1, the present invention provides an absolute value encoder and stroke limiter mounting structure, including:
the winding drum comprises a winding drum tail end supporting seat 1 and a deflector rod 2 positioned in the winding drum tail end supporting seat 1, wherein the deflector rod 2 is rigidly connected with the winding drum; the driving device further comprises a transmission shaft 3, and one end of the transmission shaft 3 is in coaxial transmission connection with the driving lever 2; the device also comprises an absolute value encoder 4, wherein the absolute value encoder 4 is arranged at the other end of the transmission shaft 3; the travel limiting device is characterized by further comprising a travel limiting device 5 and a transmission mechanism 6, wherein the travel limiting device 5 is provided with a limiting shaft 51, the limiting shaft 51 and the shifting rod 2 are arranged in parallel, and the transmission mechanism 6 is used for transmitting power of the transmission shaft 3 to the limiting shaft 51.
The structure of this embodiment design, during the use, the reel rotates and drives transmission shaft 3 and rotate, and the rotation data of transmission shaft 3 is by absolute value encoder 4 record, and transmission 6 transmission of power of transmission shaft 3 pass through again for spacing axle 51, realizes cooperative control with stroke limiter 5 again on the spacing axle 51, has adopted the driven mode of biaxial system, can transmit the rotation of reel for absolute value encoder 4 and stroke limiter 5 simultaneously. The absolute value encoder 4 and the stroke limiter 5 are installed in a staggered mode, and the axial space of the whole machine can be saved.
In this embodiment, referring to fig. 1, a transmission mechanism 6 is optional, where the transmission mechanism 6 includes a first gear 61 and a second gear 62, the first gear 61 is sleeved on the transmission shaft 3, the second gear 62 is sleeved on the limiting shaft 51, and the first gear 61 is engaged with the second gear 62. The gear engagement has the characteristic of high transmission precision.
In this embodiment, referring to fig. 1, the travel limiter 5 is mounted on a limiter mounting support 50, and the limiter mounting support 50 is fixed on the winding drum end support base 1. Optionally, the limiter mounting bracket 50 is covered on the absolute value encoder 4. The stopper mount 50 covers the outside of the absolute value encoder 4, and can play a role of protection.
In this embodiment, referring to fig. 1, the absolute value encoder 4 is connected to the transmission shaft 3 through a backlash-free coupling 40. Alternatively, the transmission shaft 3 is supported by a support shaft 31. Optionally, the device further comprises a mounting disc 7, and the mounting disc 7 and the winding drum tail end supporting seat 1 are matched through a positioning opening 8 and a positioning bulge to realize coaxial matching. Because of the rabbet positioning, the bearing support and the connection of the backlash-free coupling 40, when the structure is installed, manual adjustment is not needed, and the coaxial precision can be ensured only by installing in place.
In this embodiment, referring to fig. 1, optionally, the transmission shaft 3 and the shift lever 2 are connected by matching a dial 21 and a rotation stopping shaft 22, there are at least two rotation stopping shafts 22, one end of the rotation stopping shaft 22 is axially inserted into the shift lever 2, and the other end of the rotation stopping shaft 22 is axially inserted into the dial 21. The transmission of torque is realized through at least two rotation stopping shafts 22, so that the transmission shaft 3 can be driven to rotate when the winding drum moves, and meanwhile, the structure can be favorable for quick installation and disassembly.
To sum up, the structure of this patent design has adopted the driven mode of biax system, can transmit the rotation of reel for absolute value encoder 4 and stroke limiter 5 simultaneously. The processing precision of the mounting disc 7 and the effect of the bearing ensure the coaxial precision between the absolute value encoder 4 and the shifting lever 2, and higher coaxiality can be achieved. Because of the rabbet positioning, the bearing support and the connection of the backlash-free coupling 40, when the structure is installed, manual adjustment is not needed, and the coaxial precision can be ensured only by installing in place. The absolute value encoder 4 and the stroke limiter 5 are installed in a staggered mode, and the axial space of the whole machine can be saved. The stopper mount 50 covers the outside of the absolute value encoder 4, and can play a role of protection. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides an absolute value encoder and stroke limiter's mounting structure which characterized in that includes:
the lifting rod is rigidly connected with the winding drum;
one end of the transmission shaft is in coaxial transmission connection with the deflector rod;
the absolute value encoder is arranged at the other end of the transmission shaft;
the stroke limiting device is provided with a limiting shaft, the limiting shaft and the shifting rod are arranged in parallel, and the transmission mechanism is used for transmitting the power of the transmission shaft to the limiting shaft.
2. The absolute value encoder and stroke limiter mounting structure according to claim 1, wherein: the transmission mechanism comprises a first gear and a second gear, the first gear is sleeved on the transmission shaft, the second gear is sleeved on the limiting shaft, and the first gear is meshed with the second gear.
3. The absolute value encoder and stroke limiter mounting structure according to claim 1, wherein: the stroke limiter is installed on a limiter installing support, and the limiter installing support is fixed on the winding drum tail end supporting seat.
4. The absolute value encoder and stroke limiter mounting structure according to claim 3, wherein: the limiter mounting bracket is covered on the absolute value encoder.
5. The absolute value encoder and stroke limiter mounting structure according to claim 1, wherein: the absolute value encoder is connected with the transmission shaft through a backlash-free coupler.
6. The absolute value encoder and stroke limiter mounting structure according to claim 1, wherein: the transmission shaft is supported by a support bearing.
7. The absolute value encoder and stroke limiter mounting structure according to claim 1, wherein: the mounting disc is matched with the winding drum tail end supporting seat through a positioning opening and a positioning bulge to realize coaxial matching.
8. The mounting structure of an absolute value encoder and a stroke limiter according to any one of claims 1 to 7, wherein: the transmission shaft and the shifting rod are connected through matching of a driving plate and a rotation stopping shaft, the number of the rotation stopping shafts is at least two, one end of each rotation stopping shaft is axially inserted into the shifting rod, and the other end of each rotation stopping shaft is axially inserted into the driving plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349345.2U CN216512587U (en) | 2021-12-28 | 2021-12-28 | Mounting structure of absolute value encoder and stroke limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349345.2U CN216512587U (en) | 2021-12-28 | 2021-12-28 | Mounting structure of absolute value encoder and stroke limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216512587U true CN216512587U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123349345.2U Active CN216512587U (en) | 2021-12-28 | 2021-12-28 | Mounting structure of absolute value encoder and stroke limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216512587U (en) |
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2021
- 2021-12-28 CN CN202123349345.2U patent/CN216512587U/en active Active
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