CN218929432U - Electric control gear band-type brake mechanism - Google Patents
Electric control gear band-type brake mechanism Download PDFInfo
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- CN218929432U CN218929432U CN202222584809.6U CN202222584809U CN218929432U CN 218929432 U CN218929432 U CN 218929432U CN 202222584809 U CN202222584809 U CN 202222584809U CN 218929432 U CN218929432 U CN 218929432U
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- band
- brake
- type brake
- driving wheel
- gear
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Abstract
The utility model discloses an electric control gear band-type brake mechanism, which comprises: a drive wheel and a drive axle; the driving wheel is rotationally connected to the driving wheel shaft; the driving wheel shaft is provided with a band-type brake assembly; the band-type brake assembly comprises a fixed frame fixedly connected to the driving wheel shaft; a band-type brake gear and a band-type brake pole are rotatably arranged on the fixing frame; the band-type brake lever is provided with a meshing tooth part for meshing with the band-type brake gear; a brake pad for braking the driving wheel is arranged on one side of the brake bar facing the driving wheel; a servo motor for driving the band-type brake gear is also arranged on the fixing frame; the servo motor drives the band-type brake gear to drive the band-type brake rod to move between a band-type brake state of pressing the brake pad on the periphery of the driving wheel and a release state of separating the brake pad from the periphery of the driving wheel. The electric control gear band-type brake mechanism can replace a driving motor to brake, and is good in braking effect, simple in structure, small in required installation space and convenient to replace and maintain, and meanwhile, the brake pad is fixed on the lower side of the band-type brake rod.
Description
Technical Field
The utility model relates to an electric control gear band-type brake mechanism.
Background
The transfer robot (AGV) needs to brake when the operation, because of the constraint of manufacturing cost and installation space, the braking mode that such transfer robot usually adopted utilizes actuating mechanism's driving motor stall or reverse to brake, and is big to driving motor loss, leads to transfer robot's maintenance frequency high, has increased cost of maintenance, and life also can shorten.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model provides an automatically controlled gear band-type brake mechanism is used to the braking mode that above transfer robot adopted is to utilize actuating mechanism's driving motor stall or reverse to brake, to the big problem of driving motor loss.
2. Technical proposal
In order to solve the problems, the technical scheme provided by the utility model is as follows:
an electronically controlled gear band-type brake mechanism comprising: a drive wheel and a drive axle; the driving wheel is rotationally connected to the driving wheel shaft; the driving wheel shaft is provided with a band-type brake assembly for braking the driving wheel; the band-type brake assembly comprises a fixed frame fixedly connected to the driving wheel shaft; a band-type brake gear and a band-type brake pole are rotatably arranged on the fixing frame; the band-type brake lever is provided with a meshing tooth part for meshing with the band-type brake gear; a brake pad for braking the driving wheel is arranged on one side of the brake bar facing the driving wheel; a servo motor for driving the band-type brake gear is also arranged on the fixing frame; the servo motor drives the band-type brake gear to drive the band-type brake rod to move between a band-type brake state of pressing the brake pad on the periphery of the driving wheel and a release state of separating the brake pad from the periphery of the driving wheel.
Further, the mount includes: the brake device comprises a mounting rod for mounting a brake gear and a brake rod and a fixing ring for fixing to a driving wheel shaft; the fixed ring is pressed on the periphery of the driving wheel shaft in an interference mode.
Further, the mounting rod is provided with two mounting shafts respectively used for mounting the band-type brake gear and the band-type brake rod in the extending direction; the axes of the two mounting shafts and the axis of the driving wheel shaft are parallel to each other and are positioned in the same plane.
Further, the band-type brake pole is located between the band-type brake gear and the driving wheel.
Further, the included angle range between the band-type brake pole and the mounting pole is more than or equal to 30 degrees and less than or equal to 60 degrees in the band-type brake state.
Further, a plurality of braking ribs for increasing the pressure between the braking pad and the driving wheel are formed at one side of the braking pad for contacting the driving wheel.
Further, the brake pad is arc-shaped, and the radian of the brake pad is smaller than the radian of the peripheral side face of the driving wheel.
Further, the included angle between the two ends of the brake pad and the connecting line of the rotating shaft line of the driving wheel is more than or equal to 20 degrees and less than or equal to 30 degrees.
Further, an installation table for installing the servo motor is formed at the end part of the fixing frame; the servo motor is fixed to the mounting table by screws.
Further, a fixing hole is formed between two adjacent braking convex strips of the brake pad; the brake block is fixed to the band-type brake rod through a threaded hole formed by screwing the brake block into the band-type brake rod through the fixing hole.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the electric control gear band-type brake mechanism provided by the utility model brakes the driving wheel through the band-type brake assembly fixed on the driving wheel shaft, can replace the driving motor to brake, has good braking effect and simple structure, requires small installation space, and simultaneously fixes the brake pad at the lower side of the band-type brake rod for replacement and maintenance.
Drawings
FIG. 1 is a schematic diagram of an electrically controlled gear band-type brake mechanism according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a brake pad of the electrically controlled gear band-type brake mechanism of FIG. 1 mounted to a band-type brake lever;
FIG. 3 is a schematic view of a mount of the electrically controlled gear band brake mechanism of FIG. 1;
the electric control gear band-type brake mechanism 10, a driving wheel 11, a driving wheel shaft 12, a band-type brake assembly 13, a fixing frame 131, a mounting rod 1311, a mounting shaft 1312, a fixing ring 1313, a mounting table 1314, a band-type brake gear 132, a band-type brake rod 133, a meshing tooth 1331, a brake block 134, a brake convex strip 1341, a fixing hole 1342 and a servo motor 135.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.
Example 1
As shown in fig. 1 to 3, an electrically controlled gear band-type brake mechanism 10 of the present utility model includes: a driving wheel 11 and a driving wheel shaft 12, the driving wheel 11 being rotatably connected to the driving wheel shaft 12 to run under the drive of a driving motor installed inside the transfer robot. The band-type brake assembly 13 is arranged on the driving wheel shaft 12 and used for braking the driving wheel 11, so that the driving wheel 11 can stop rotating only by starting the band-type brake assembly 13, and the stopping or reversing braking of the driving motor is avoided, so that the driving motor is not damaged.
Specifically, the band-type brake assembly 13 includes a fixing bracket 131, the fixing bracket 131 is fixedly connected to the driving wheel shaft 12, a band-type brake gear 132 and a band-type brake lever 133 are rotatably mounted on the fixing bracket 131, a meshing tooth 1331 formed on the band-type brake lever 133 is used for meshing with the band-type brake gear 132, a brake pad 134 is arranged on one side of the band-type brake lever 133 facing the driving wheel 11 for friction braking of the driving wheel 11, and a servo motor 135 is further mounted on the fixing bracket 131 for driving the band-type brake gear 132, so that the servo motor 135 drives the band-type brake gear 132 to drive the band-type brake lever 133 to move between a band-type brake state and a release state, wherein the band-type brake lever 133 rotates to a state of driving the brake pad 134 to be pressed on the peripheral side of the driving wheel 11 for braking the driving wheel 11, and the release state refers to a state of the band-type brake lever 133 rotating to the brake pad 134 to be separated from the peripheral side of the driving wheel 11 for releasing the driving wheel 11.
When braking is needed, the servo motor 135 is controlled to rotate along the first direction, and the servo motor 135 drives the brake rod 133 to rotate through the brake gear 132 until the brake rod 133 rotates to the lower brake block 134 to press the driving wheel 11 to realize braking. When the driving wheel 11 needs to be released, only the servo motor 135 needs to be controlled to reversely rotate. In the above structure, the whole band-type brake assembly 13 is mounted on the driving wheel shaft 12 through the fixing frame 131, so that the assembly and disassembly are simple, the required mounting space is small, the internal mounting space of the robot is saved, and the replacement of the brake block 134 is also convenient because the band-type brake rod 133 can rotate.
The electric control gear band-type brake mechanism 10 brakes the driving wheel 11 through the band-type brake assembly 13 fixed on the driving wheel shaft 12, can replace a driving motor to brake, has good braking effect and simple structure, requires small installation space, and simultaneously fixes the brake block 134 on the lower side of the band-type brake rod 133, so that the maintenance is convenient.
As a specific embodiment, the fixing bracket 131 includes: a mounting rod 1311 and a retaining ring 1313. The mounting rod 1311 is used for mounting the band-type brake gear 132 and the band-type brake rod 133, the fixing ring 1313 is used for being fixed to the driving wheel shaft 12, and specifically, the fixing ring 1313 is pressed on the periphery of the driving wheel shaft 12 in an interference mode, so that the band-type brake assembly 13 is mounted on the driving wheel shaft 12, and the band-type brake assembly is convenient to detach and replace. The mounting bar 1311 is provided with two mounting shafts 1312 in the extending direction thereof, and the two mounting shafts 1312 are respectively used for mounting the band-type brake gear 132 and the band-type brake bar 133, and the band-type brake gear 132 and the band-type brake bar 133 are respectively rotatably mounted on the two mounting shafts 1312. The axes of the two mounting shafts 1312 and the driving wheel shaft 12 are parallel to each other and located in the same plane, so that the directions of the internal stresses applied to the three mounting shafts 1312 and the driving wheel shaft 12 are always the same, and the braking efficiency can be ensured. During installation, the brake rod 133 is arranged between the brake gear 132 and the driving wheel 11, so that the length of the brake rod 133 can be shortened, the cost is saved, and the braking effectiveness is improved. The end of the fixing bracket 131 is further formed with a mounting table 1314, and the mounting table 1314 is used for mounting the servo motor 135, and the servo motor 135 is fixed to the mounting table 1314 by screws.
Further, the included angle between the band-type brake lever 133 and the mounting lever 1311 in the band-type brake state is 30 degrees or more and 60 degrees or less, and the stability of the braking structure is ensured while the braking effect is further ensured.
As a specific embodiment, a plurality of braking protrusions 1341 are formed on one side of the brake block 134 for contacting the driving wheel 11, and the braking protrusions 1341 extend along the rotation direction of the driving wheel 11. The braking bead 1341 serves to increase the pressure between the brake pad 134 and the driving wheel 11, thereby increasing the braking friction. In addition, such a braking bead 1341 can increase the wear time of the brake pad 134, prolong the braking time of the brake pad 134, and have a longer service life.
As a specific embodiment, the brake pads 134 are arc-shaped, and the arc of the brake pads 134 is smaller than the arc of the peripheral side of the driving wheel 11. The brake block 134 is formed with fixed orifices 1342 between two adjacent braking sand strips 1341, and the brake block 134 is fixed to the band-type brake pole 133 through the threaded hole that the screw passes fixed orifices 1342 screw in band-type brake pole 133 formed, dismantles the change convenience.
Further, the included angle between the two ends of the brake pad 134 and the line connecting the two ends to the rotation axis of the driving wheel 11 is in the range of 20 degrees or more and 30 degrees or less. This arrangement allows the brake pads 134 to brake efficiently both in forward and reverse rotation of the drive wheel 11.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (10)
1. An electronically controlled gear band-type brake mechanism comprising: a drive wheel and a drive axle; the driving wheel is rotationally connected to the driving wheel shaft; the brake assembly is characterized in that the driving wheel shaft is provided with a brake assembly for braking the driving wheel; the band-type brake assembly comprises a fixed frame fixedly connected to the driving wheel shaft; the band-type brake gear and the band-type brake pole are rotatably arranged on the fixing frame; the band-type brake lever is provided with a meshing tooth part for meshing with the band-type brake gear; a brake pad for braking the driving wheel is arranged on one side of the brake release rod, which faces the driving wheel; a servo motor for driving the band-type brake gear is also arranged on the fixing frame; the servo motor drives the band-type brake gear to drive the band-type brake pole to move between a band-type brake state of pressing the brake pad on the periphery of the driving wheel and a release state of enabling the brake pad to be separated from the periphery of the driving wheel.
2. An electrically controlled gear band brake mechanism according to claim 1, wherein,
the fixing frame comprises: a mounting bar for mounting the band-type brake gear and the band-type brake lever and a fixing ring for fixing to the drive axle; the fixed ring is pressed on the periphery of the driving wheel shaft in an interference mode.
3. An electrically controlled gear band brake mechanism according to claim 2, wherein,
the mounting rod is provided with two mounting shafts which are respectively used for mounting the band-type brake gear and the band-type brake rod in the extending direction; the axes of the two mounting shafts and the axis of the driving wheel shaft are parallel to each other and are positioned in the same plane.
4. An electrically controlled gear band brake mechanism according to claim 1, wherein,
the band-type brake pole is located between the band-type brake gear and the driving wheel.
5. An electrically controlled gear band brake mechanism according to claim 2, wherein,
the band-type brake pole is in the band-type brake state, and the included angle range between the band-type brake pole and the mounting pole is more than or equal to 30 degrees and less than or equal to 60 degrees.
6. An electrically controlled gear band brake mechanism according to claim 1, wherein,
and one side of the brake pad, which is used for contacting the driving wheel, is provided with a plurality of braking convex strips used for increasing the pressure between the brake pad and the driving wheel.
7. An electrically controlled gear band brake mechanism according to claim 1, wherein,
the brake pad is arc-shaped, and the radian of the brake pad is smaller than the radian of the peripheral side face of the driving wheel.
8. An electrically controlled gear band brake mechanism according to claim 7, wherein,
the range of the included angle between the two ends of the brake pad and the connecting line of the rotating shaft line of the driving wheel is more than or equal to 20 degrees and less than or equal to 30 degrees.
9. An electrically controlled gear band brake mechanism according to claim 1, wherein,
an installation table for installing the servo motor is formed at the end part of the fixing frame; the servo motor is fixed to the mounting table by screws.
10. An electrically controlled gear band brake mechanism according to claim 6, wherein,
the brake pad is provided with a fixing hole between two adjacent brake convex strips; the brake block passes through the fixed orifices screw in the screw hole that the band-type brake pole formed is internal to be fixed to the band-type brake pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222584809.6U CN218929432U (en) | 2022-09-28 | 2022-09-28 | Electric control gear band-type brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222584809.6U CN218929432U (en) | 2022-09-28 | 2022-09-28 | Electric control gear band-type brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218929432U true CN218929432U (en) | 2023-04-28 |
Family
ID=86083570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222584809.6U Active CN218929432U (en) | 2022-09-28 | 2022-09-28 | Electric control gear band-type brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218929432U (en) |
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2022
- 2022-09-28 CN CN202222584809.6U patent/CN218929432U/en active Active
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