CN220985473U - Overload protection mechanism for power and free chain motor - Google Patents
Overload protection mechanism for power and free chain motor Download PDFInfo
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- CN220985473U CN220985473U CN202322429529.2U CN202322429529U CN220985473U CN 220985473 U CN220985473 U CN 220985473U CN 202322429529 U CN202322429529 U CN 202322429529U CN 220985473 U CN220985473 U CN 220985473U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000006698 induction Effects 0.000 claims abstract description 23
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The utility model provides an overload protection mechanism of a power and free chain motor, which is arranged at a driving end of the power and free chain and comprises a motor mounting plate rotatably arranged on a fixing plate of the driving end, wherein a motor is arranged on the motor mounting plate, an output end of the motor is connected with a chain wheel of the driving end, a protection mechanism is also arranged at the driving end, and an induction end extending into the protection mechanism is arranged on the motor mounting plate; the protection mechanism comprises a fixed frame, the induction end is arranged in the fixed frame, a spring is arranged at the bottom of the fixed frame, and the spring pushes the induction end upwards; the sensor is fixedly arranged on the fixed frame, the sensor is aligned with the induction end, the overload alarm and active stop operation are achieved through monitoring the abnormal action of the motor body when the motor output end is overloaded, the starting quantity of the abnormal rotation of the motor is adjustable, and the overload condition is reliably monitored and is convenient to install.
Description
Technical Field
The utility model relates to an overload protection mechanism, in particular to an overload protection mechanism for a power and free chain motor.
Background
The accumulation chain is applied to the material conveying industry, and when other conditions such as material clamping stagnation, other equipment impacts are met in the conveying process, motor load can be possibly caused to be overlarge, and even the accumulation chain can be caused to stop running. However, the motor output is still in operation, which may lead to overload damage to the motor. In the prior art, although various sensors for monitoring the load of a motor at a driving end exist, the problems of abnormal sensitivity or complex structure, higher cost, poor reliability, low corresponding speed of overload protection and the like of overload monitoring are often caused.
Disclosure of utility model
The utility model aims to solve the technical problems that: in the prior art, an overload protection device which is simple in structure, practical and reliable is lacked in the power and free chain drive, and the utility model provides an overload protection mechanism of a power and free chain motor to solve the problems.
The technical scheme adopted for solving the technical problems is as follows: the motor overload protection mechanism comprises a motor mounting plate rotatably mounted on a fixing plate of the driving end, wherein a motor is arranged on the motor mounting plate, the output end of the motor is connected with a chain wheel of the driving end, a protection mechanism is further arranged on the driving end, and an induction end extending into the protection mechanism is arranged on the motor mounting plate; the protection mechanism comprises a fixed frame, the induction end is arranged in the fixed frame, a spring is arranged at the bottom of the fixed frame, and the spring pushes the induction end upwards; the sensor is fixedly arranged on the fixed frame and aligned with the induction end.
Further: a supporting ejector rod is arranged below the motor, and the supporting ejector rod pushes the motor upwards to enable the motor to maintain a horizontal state.
Further: the bottom of the fixed frame is vertically provided with an adjusting bolt, the tail end of the adjusting bolt is provided with a spring seat, and the spring is placed in the spring seat.
Further: the right-angle bracket is arranged on the fixed frame; one end of the right-angle bracket is arranged at the top end of the fixed frame, and the other end of the right-angle bracket is arranged at the outer side of the induction end; the sensor is arranged on the right-angle bracket.
The overload protection mechanism for the power and free chain motor has the advantages that the overload alarm and active stop operation is achieved by monitoring the abnormal action of the motor body when the output end of the motor is overloaded, the starting quantity of abnormal rotation of the motor is adjustable, and the overload condition is reliably monitored and is convenient to install.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an overload protection mechanism for a power and free chain motor according to the present utility model;
FIG. 2 is a schematic view of a partial construction of the motor installation of FIG. 1;
fig. 3 is a detailed view of the structure in which the protection mechanism is mounted on the driving end.
In the figure, 1, the drive end, 2, the motor mounting panel, 3, the motor, 4, protection mechanism, 5, the response end, 6, fixed frame, 7, spring, 8, sensor, 9, adjusting bolt, 10, spring holder, 11, right angle support.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being 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 the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. 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. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present utility model in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present utility model.
As shown in fig. 1, 2 and 3, the utility model provides an overload protection mechanism of a power and free chain motor, which is arranged at a driving end 1 of the power and free chain and comprises a motor mounting plate 2 rotatably arranged on a fixing plate of the driving end 1, wherein a motor 3 is arranged on the motor mounting plate 2, an output end of the motor 3 is connected with a chain wheel of the driving end 1, a protection mechanism 4 is also arranged on the driving end 1, and an induction end 5 extending into the protection mechanism 4 is arranged on the motor mounting plate 2; the protection mechanism 4 comprises a fixed frame 6, the induction end 5 is arranged in the fixed frame 6, a spring 7 is arranged at the bottom of the fixed frame 6, and the spring 7 pushes the induction end 5 upwards; the sensor 8 is fixedly arranged on the fixed frame 6, and the sensor 8 is aligned with the sensing end 5. A supporting ejector rod is arranged below the motor 3, and the supporting ejector rod pushes the motor 3 upwards to enable the motor 3 to maintain a horizontal state.
The technical scheme of this patent is in the normal operation in-process of power and free chain, the body of motor 3 is rotated and installs in drive end 1, motor 3's output and sprocket are connected, motor 3's output is output and is rotated and drive sprocket rotation and then realize power and free chain's normal operating, motor 3's output rotates the reaction force of applying motor 3 and has overcome motor 3 self gravity this moment, there is the effort of support ejector pin and spring 7 to the ascending thrust combined action of induction end 5 simultaneously for motor 3 can not follow the rotation, and then keeps the horizontality, at this moment, sensor 8 aims at induction end 5 setting, maintain power and free chain normal work.
When the power and free chain is blocked by materials or other equipment is impacted, the torque required by the operation of the chain wheel is increased, and the motor 3 exceeds the operation load, the power and free chain stops rotating at the moment, the motor 3 still continues to rotate, when the rotation torque of the motor 3 is gradually increased until the gravity of the motor 3 is overcome, the motor 3 and the motor mounting plate 2 rotate reversely and anticlockwise integrally, the induction end 5 overcomes the acting force of the spring 7 and rotates downwards, the induction end 5 moves downwards until the induction end 5 is separated from the sensor 8, and after the sensor 8 cannot detect the induction end 5, the motor 3 is controlled to be powered off and stopped to further protect the motor 3.
The process protection method can realize more accurate conveying overload detection without complex association control or detection mechanisms, is not easy to generate risks of missing report and false report, has higher operation reliability, is more flexible in mounting mode of the motor 3, improves the mounting coaxiality of the output end of the motor 3, eliminates hidden dangers such as adverse external force generated by over-positioning, and greatly prolongs the service life of the motor 3.
An adjusting bolt 9 is vertically arranged at the bottom of the fixed frame 6, a spring seat 10 is arranged at the tail end of the adjusting bolt 9, and the spring 7 is placed in the spring seat 10. The precompression amount of the spring 7 can be adjusted by adjusting the installation length of the adjusting bolt 9, so that the downward displacement distance of the sensing end 5 can be controlled, the initial upward pre-acting force of the sensing end 5 can be adjusted, the overload point of the whole overload protection mechanism 4 in the operation process can be adjusted, and the purpose of accurate control is achieved.
The fixed frame 6 is provided with a right-angle bracket 11; one end of the right-angle bracket 11 is arranged at the top end of the fixed frame 6, and the other end is arranged at the outer side of the induction end 5; the sensor 8 is arranged on the right-angle bracket 11.
The right angle bracket 11 facilitates the installation and position adjustment of the sensor 8 to monitor the displacement of the sensing end 5 more accurately.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. The utility model provides a power and free chain motor overload protection mechanism installs drive end (1) at power and free chain, installs motor mounting panel (2) on the fixed plate of drive end (1) including rotating, be provided with motor (3) on motor mounting panel (2), the output of motor (3) is connected its characterized in that with the sprocket of drive end (1): the driving end (1) is also provided with a protection mechanism (4), and the motor mounting plate (2) is provided with an induction end (5) extending into the protection mechanism (4); the protection mechanism (4) comprises a fixed frame (6), the induction end (5) is arranged in the fixed frame (6), a spring (7) is arranged at the bottom of the fixed frame (6), and the spring (7) pushes the induction end (5) upwards; the sensor (8) is fixedly arranged on the fixed frame (6), and the sensor (8) is aligned to the sensing end (5).
2. The power and free chain motor overload protection mechanism of claim 1, wherein: a supporting ejector rod is arranged below the motor (3), and the supporting ejector rod pushes the motor (3) upwards to enable the motor (3) to maintain a horizontal state.
3. The power and free chain motor overload protection mechanism as set forth in claim 2, wherein: the bottom of the fixed frame (6) is vertically provided with an adjusting bolt (9), the tail end of the adjusting bolt (9) is provided with a spring seat (10), and the spring (7) is placed in the spring seat (10).
4. A power and free chain motor overload protection mechanism as claimed in claim 3 wherein: a right-angle bracket (11) is arranged on the fixed frame (6); one end of the right-angle bracket (11) is arranged at the top end of the fixed frame (6), and the other end of the right-angle bracket is arranged at the outer side of the induction end (5); the sensor (8) is arranged on the right-angle bracket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322429529.2U CN220985473U (en) | 2023-09-07 | 2023-09-07 | Overload protection mechanism for power and free chain motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322429529.2U CN220985473U (en) | 2023-09-07 | 2023-09-07 | Overload protection mechanism for power and free chain motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220985473U true CN220985473U (en) | 2024-05-17 |
Family
ID=91057134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322429529.2U Active CN220985473U (en) | 2023-09-07 | 2023-09-07 | Overload protection mechanism for power and free chain motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220985473U (en) |
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2023
- 2023-09-07 CN CN202322429529.2U patent/CN220985473U/en active Active
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