Device for tensioning belt by utilizing dead weight of motor
The belt is automatically tensioned by rotating the mounting plate using the motor's own weight, which solves the problem of low efficiency caused by bolt dependence in the existing technology and realizes convenient belt adjustment.
Patent Information
- Application Number
- CN202423153213.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In existing technologies, the belt tensioning process requires the operation of multiple bolts, resulting in low work efficiency.
The tilt angle of the mounting plate is adjusted by the weight of the motor through an angle adjustment mechanism. The weight of the motor drives the mounting plate to rotate, thereby achieving automatic belt tensioning and reducing reliance on bolts.
It simplifies belt tensioning operations, improves adjustment efficiency, is easy to operate, and reduces the tedious steps of using bolts.
Smart Images
Figure CN223725316U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor technical field, concretely is a device of utilizing motor deadweight to tighten the belt. BACKGROUND
[0002] The belt is a belt-like device for transmitting power or conveying materials. It is usually made of rubber, leather or other composite materials, with certain flexibility and strength. In the aspect of power transmission, when the driving wheel of the motor (or other power source) rotates, the belt is driven to move through the friction between the belt and the driving wheel, and the belt transmits power to the driven wheel connected thereto, so as to rotate the driven wheel and realize the transmission of power.
[0003] In the prior art, the commonly used motor fixing and belt tensioning mode is to set two jacking bolts on both sides of the motor support, rely on the outer side distance appropriate batten, rotate the length of the jacking bolt, and jack up one end of the jacking bolt on the motor support, so as to realize the fixation of the motor and the tensioning of the belt. The main problem of this mode is that every time the belt needs to be tensioned, the fastening bolts and the jacking bolts of the motor need to be loosened first, then the motor needs to be moved to the appropriate position, the belt needs to be tensioned, the fastening bolts of the motor need to be tightened, and finally the jacking bolts need to be tightened. The number of bolts that need to be operated in the process is large and complicated, which makes the work efficiency low. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of the prior art, the utility model provides a device for tensioning the belt by the weight of the motor, which can solve the problem of low work efficiency caused by the large number of bolts that need to be operated during the belt tensioning process in the prior art.
[0005] The utility model provides the following technical scheme, a device for tensioning the belt by the weight of the motor, comprising: a driven pulley, a driving pulley and a belt for connecting the driven pulley and the driving pulley, the driving pulley is installed on the output end of the motor, the bottom of the motor is provided with a tensioning adjusting frame, the tensioning adjusting frame comprises an installation plate, the motor is fixedly installed on the installation plate, one end of the installation plate is rotatably connected with a first mounting bracket, the other end of the installation plate is provided with a second mounting bracket, an angle adjusting mechanism is installed between the second mounting bracket and the installation plate, the angle adjusting mechanism is used for adjusting the inclination angle of the installation plate and the motor, so that the belt is automatically tensioned.
[0006] As a preferred scheme of the utility model, the angle adjusting mechanism comprises a shell fixedly connected to the second mounting bracket, a horizontal moving block is slidably installed at the inner bottom end of the shell, a vertical moving block is arranged on the top of the horizontal moving block, the top end of the vertical moving block penetrates through the shell and contacts with the installation plate, a position adjusting assembly is installed between the horizontal moving block and the shell, and the top of the horizontal moving block and the bottom of the vertical moving block are provided with inclined surfaces matched with sliding.
[0007] As the preferred scheme of the utility model, the top of the shell and outside the vertical moving block are sleeved with a guide sleeve, and the guide sleeve is communicated with the shell.
[0008] As the preferred scheme of the utility model, the top of the vertical moving block is provided with a mounting groove along the length direction, and a roller is rotatably connected in the mounting groove, and the roller partially extends out of the mounting groove.
[0009] As the preferred scheme of the utility model, the position adjusting assembly comprises a threaded rod, a threaded sleeve is fixedly connected to one side of the shell, the threaded rod is screw-connected to the inside of the threaded sleeve, and one end of the threaded rod arranged outside the shell is fixedly connected with an adjusting nut.
[0010] As the preferred scheme of the utility model, the top of the horizontal moving block near one end of the threaded rod is provided with a limiting groove, a through groove is formed in the side wall of the horizontal moving block and communicated with the limiting groove, the width of the through groove is smaller than that of the limiting groove, one end of the threaded rod away from the adjusting nut penetrates through the through groove and is fixedly connected with a limiting block, and the limiting block is arranged in the limiting groove.
[0011] As the preferred scheme of the utility model, an arc-shaped groove is formed in the second mounting bracket, and a mounting bracket fastening bolt penetrating through the arc-shaped groove is connected to the side wall of the mounting plate.
[0012] The utility model discloses the height of the mounting plate near one end of the second mounting bracket is adjusted through the angle adjusting mechanism, and the other end of the mounting plate is rotatably connected with the first mounting bracket, so that the mounting plate rotates around the first mounting bracket, the mounting plate is rotated and adjusted in angle under the gravity of the motor, at this time, the motor and the driving pulley will slightly move down and adjust the position, so that the belt is automatically tensioned, convenient operation is realized, and the adjusting efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is whole structural schematic diagram for the device of tensioning the belt by the gravity of the motor.
[0014] Figure 2 It is structural schematic diagram of the tensioning adjusting bracket.
[0015] Figure 3 It is structural schematic diagram of the angle adjusting mechanism.
[0016] Figure 4 It is sectional structural schematic diagram of the angle adjusting mechanism.
[0017] Figure 5 It is structural schematic diagram of the horizontal moving block and the position adjusting assembly.
[0018] In the diagram: 1. Driven pulley; 2. Motor; 3. Driven pulley; 4. Belt; 5. Tension adjustment bracket; 51. Mounting plate; 52. First mounting bracket; 53. Second mounting bracket; 531. Arc groove; 532. Mounting bracket fastening bolt; 54. Angle adjustment mechanism; 541. Housing; 542. Guide sleeve; 543. Horizontal movement block; 5431. Limiting groove; 5432. Through groove; 544. Vertical movement block; 545. Roller; 546. Position adjustment assembly; 5461. Threaded rod; 5462. Limiting block; 547. Threaded sleeve. Detailed Implementation
[0019] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0020] Example:
[0021] like Figures 1 to 5 As shown, a device for tensioning a belt using the weight of a motor includes: a driven pulley 1, a driving pulley 3, and a belt 4 for connecting the driven pulley 1 and the driving pulley 3. The belt 4 is sleeved on the outside of the driven pulley 1 and the driving pulley 3. The driving pulley 3 is mounted on the output end of the motor 2. A tension adjustment frame 5 is mounted on the bottom of the motor 2. The tension adjustment frame 5 includes a mounting plate 51. The motor 2 is fixedly mounted on the mounting plate 51. A first mounting bracket 52 is rotatably connected to one end of the mounting plate 51, and a second mounting bracket 53 is provided at the other end of the mounting plate 51. An angle adjustment mechanism 54 is installed between the second mounting bracket 53 and the mounting plate 51. The angle adjustment mechanism 54 is used to adjust the tension adjustment frame 53. The tilt angle of the mounting plate 51 and the motor 2 causes the belt 4 to be automatically tensioned. In use, the first mounting bracket 52 and the second mounting bracket 53 are fixedly installed in the motor mounting area. When it is necessary to adjust the tension of the belt 4, the height of the end of the mounting plate 51 near the second mounting bracket 53 is adjusted by the angle adjustment mechanism 54, while the other end of the mounting plate 51 is rotatably connected to the first mounting bracket 52, so that the mounting plate 51 rotates around the first mounting bracket 52. The self-weight of the motor 2 drives the mounting plate 51 to rotate and move downward to adjust the angle. At this time, the motor 2 and the drive pulley 3 will move down slightly to adjust their positions, thereby automatically tensioning the belt 4. The operation is convenient, the adjustment is fast, and the adjustment efficiency is improved.
[0022] In this embodiment, as Figure 3 and Figure 4As shown, the angle adjusting mechanism 54 comprises a housing 541 fixedly connected to the second mounting frame 53, a horizontal moving block 543 slidingly installed at the inner bottom end of the housing 541, a vertical moving block 544 arranged at the top of the horizontal moving block 543, the top end of the vertical moving block 544 being in contact with the mounting plate 51 through the housing 541, a position adjusting assembly 546 being installed between the horizontal moving block 543 and the housing 541, the top of the horizontal moving block 543 and the bottom of the vertical moving block 544 being provided with inclined surfaces for cooperation sliding, the top of the vertical moving block 544 being provided with an installation slot in the length direction, a roller 545 being rotatably connected in the installation slot, the roller 545 extending out of the installation slot and abutting against the bottom of the mounting plate 51 to reduce the friction between the roller 545 and the mounting plate 51, the position adjusting assembly 546 being capable of adjusting the position of the horizontal moving block 543, so as to drive the vertical moving block 544 to descend or ascend through the cooperation sliding of the inclined surfaces of the horizontal moving block 543 and the vertical moving block 544, the mounting plate 51 being supported by the vertical moving block 544 to rotate with the position of the vertical moving block 544, when the vertical moving block 544 descends, the movable end of the mounting plate 51 rotates downward to drive the motor 2 and the driving pulley 3 to descend and adjust the position for tensioning the belt 4, when the vertical moving block 544 ascends, the movable end of the mounting plate 51 rotates upward to drive the motor 2 and the driving pulley 3 to ascend and adjust the position for loosening the tension between the belt 4, the driven pulley 1 and the driving pulley 3, facilitating the replacement operation of the belt 4 and improving the use convenience.
[0023] In the embodiment, as shown in Figure 3 and Figure 4 As shown, the top of the housing 541 and outside the vertical moving block 544 are sleeved with a guide sleeve 542, the guide sleeve 542 being communicated with the housing 541, the vertical moving block 544 being limited and guided by the guide sleeve 542 to improve the stability of the vertical moving of the vertical moving block 544.
[0024] In the embodiment, as shown in Figure 5As shown, the position adjusting assembly 546 comprises a threaded rod 5461, a threaded sleeve 547 is fixedly penetrated on one side of the shell 541, the threaded rod 5461 is threadedly connected to the inside of the threaded sleeve 547, the threaded rod 5461 is fixedly connected with an adjusting nut at the end outside the shell 541, the top of the transverse block 543 near one end of the threaded rod 5461 is provided with a limiting groove 5431, the side wall of the transverse block 543 is provided with a through groove 5432 communicated with the limiting groove 5431, the width of the through groove 5432 is smaller than that of the limiting groove 5431, one end of the threaded rod 5461 away from the adjusting nut penetrates through the through groove 5432 and is fixedly connected with a limiting block 5462, the limiting block 5462 is arranged in the limiting groove 5431, the limiting block 5462 is arranged in the limiting groove 5431, the threaded rod 5461 is connected with the transverse block 543, the threaded rod 5461 is driven to rotate in the threaded sleeve 547 through the adjusting nut, the relative position of the threaded rod 5461 and the threaded sleeve 547 can be adjusted, and thus the position of the transverse block 543 is adjusted through the threaded rod 5461, and the operation is convenient.
[0025] In the embodiment, the limiting block 5462 is of a circular structure, and the limiting block 5462 is embedded with balls at the edges of the two side surfaces in the circumferential direction, when the limiting block 5462 rotates with the threaded rod 5461, the friction of the limiting block 5462 rotating in the limiting groove 5431 is reduced, and the rotating operation of the threaded rod 5461 is facilitated.
[0026] In the embodiment, as shown in Figure 2 The second mounting bracket 53 is provided with an arc-shaped groove 531, the mounting plate 51 is connected with a mounting bracket fastening bolt 532 penetrating through the arc-shaped groove 531, the end of the mounting bracket fastening bolt 532 abuts against the second mounting bracket 53, and the position of the mounting plate 51 is locked to avoid the mounting plate 51 from shaking and deviating, when the belt 4 is adjusted to be tight, the mounting bracket fastening bolt 532 is loosened first, then the angle of the mounting plate 51 is adjusted through the angle adjusting mechanism 54, and after the angle adjustment of the mounting plate 51 is completed, the mounting bracket fastening bolt 532 is tightened to lock the position of the mounting plate 51.
[0027] The embodiment is used as follows: firstly, the mounting frame fastening bolt 532 is loosened, then the threaded rod 5461 is rotated in the threaded sleeve 547 by adjusting the nut, the relative position of the threaded rod 5461 and the threaded sleeve 547 is adjusted, the position of the horizontal moving block 543 is adjusted by the threaded rod 5461, the vertical moving block 544 is lowered by the cooperation of the inclined surface of the horizontal moving block 543 and the vertical moving block 544, the mounting plate 51 is always abutted on the roller 545 of the vertical moving block 544 by the weight of the motor 2, the mounting plate 51 rotates with the position of the vertical moving block 544, the movable end of the mounting plate 51 rotates and moves downward, thereby the motor 2 and the driving pulley 3 are adjusted to move downward, the belt 4 is tensioned, after the tensioning and adjustment of the belt 4 are completed, the mounting frame fastening bolt 532 is tightened to lock the position of the mounting plate 51, the operation is convenient, the adjustment is rapid, and the adjustment efficiency is improved.
[0028] Although preferred embodiments of the present application have been described, those skilled in the art will be able to make additional changes and modifications to these embodiments once they have learned the basic inventive concepts. Therefore, the appended claims are intended to cover all such changes and modifications that fall within the scope of the present application.
[0029] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. An apparatus for tensioning a belt with the weight of an electric motor, characterized in that, The utility model relates to a motorized belt tensioning device, which comprises: a driven pulley, a driving pulley and a belt for connecting the driven pulley and the driving pulley, the driving pulley is mounted on the output end of a motor, a tensioning adjusting frame is mounted at the bottom of the motor, the tensioning adjusting frame comprises a mounting plate, the motor is fixedly mounted on the mounting plate, a first mounting frame is rotatably connected to one end of the mounting plate, a second mounting frame is arranged at the other end of the mounting plate, an angle adjusting mechanism is mounted between the second mounting frame and the mounting plate, the angle adjusting mechanism is used for adjusting the inclination angle of the mounting plate and the motor to automatically tension the belt; the angle adjusting mechanism comprises a housing fixedly connected to the second mounting frame, a horizontal moving block is slidably mounted at the bottom of the housing, a vertical moving block is arranged at the top of the horizontal moving block, the top end of the vertical moving block penetrates through the housing and is in contact with the mounting plate, a position adjusting assembly is mounted between the horizontal moving block and the housing, and inclined surfaces that cooperate with sliding are arranged at the top of the horizontal moving block and the bottom of the vertical moving block; a guide sleeve is sleeved with the top of the housing and outside the vertical moving block, and the guide sleeve is in communication with the housing; an installation groove is formed in the top of the vertical moving block along the length direction, and a roller is rotatably connected in the installation groove, and the roller partially extends out of the installation groove; the position adjusting assembly comprises a threaded rod, a threaded sleeve is fixedly penetrated on one side of the housing, the threaded rod is screw-connected in the inside of the threaded sleeve, and an adjusting nut is fixedly connected to the end of the threaded rod outside the housing.
2. A device for tensioning a belt with the weight of an electric motor according to claim 1, characterized in that a limiting groove is formed in the top of the horizontal moving block close to the end of the threaded rod, a through groove is formed in the side wall of the horizontal moving block and is in communication with the limiting groove, the width of the through groove is smaller than the width of the limiting groove, a limiting block is fixedly connected to the end of the threaded rod away from the adjusting nut and penetrates through the through groove, and the limiting block is arranged in the limiting groove.
3. A device for tensioning a belt with the weight of an electric motor according to claim 1, characterized in that, an arc-shaped groove is formed in the second mounting frame, and a mounting frame fastening bolt that penetrates through the arc-shaped groove is connected to the side wall of the mounting plate.