Belt wheel assembly

Abstract

The utility model relates to the technical field of belt wheel assemblies, in particular to a belt wheel assembly which comprises an installation plate, a first bearing is fixedly installed on the upper surface of the installation plate in an embedded mode, a first rotating shaft is fixedly installed on an inner ring of the first bearing, a belt wheel is fixedly installed at one end of the first rotating shaft, and arc-shaped sliding grooves are symmetrically formed in the upper surface of the installation plate. And an adjusting assembly is slidably connected into the arc-shaped sliding groove, the adjusting assembly comprises a fixing frame slidably connected into the arc-shaped sliding groove, a second bearing is fixedly installed in the fixing frame, and a second rotating shaft is fixedly installed on an inner ring of the second bearing. In the utility model, the transmission belt on the surface of the belt wheel is limited and the wrap angle between the belt wheel and the transmission belt is adjusted from the two sides of the belt wheel through the adjusting assembly, so that the wrap angle is adjusted instead of an additional tensioning structure, the adjusting process is simplified, the wrap angle between the belt wheel and the transmission belt is more convenient to adjust, and the transmission belt is convenient to simultaneously transmit a plurality of belt wheels; and the application range of the belt wheel is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of pulley assemblies, in particular to a pulley assembly. Background Art

[0002] The pulley assembly is a key part in the mechanical transmission system, mainly used to transmit power and motion. The pulley assembly transmits power and motion through a transmission belt (such as a V-belt, synchronous belt, etc.) and is widely used in various machines and equipment. There are many types of pulley assemblies, including flat pulleys, V-belt pulleys, synchronous pulleys, multi-ribbed pulleys, etc., which are selected according to the type of transmission belt and application scenario.

[0003] When the existing pulley is transmitting, it is necessary to make the wrap angle between the pulley and the transmission belt greater than 120°. When transmitting to multiple pulleys, it is necessary to adjust the path of the transmission belt by separately installing a tensioning structure to maintain the wrap angle between the pulley and the transmission belt. The adjustment process is relatively cumbersome, and it is not convenient to separately adjust the wrap angle of the outer side of the pulley, so the use range of the pulley is limited. Utility Model Content

[0004] The purpose of the utility model is to provide a pulley assembly to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pulley assembly comprises a mounting plate, a No. 1 bearing is fixedly embedded and mounted on the upper surface of the mounting plate, a No. 1 rotating shaft is fixedly mounted on the inner ring of the No. 1 bearing, a pulley is fixedly mounted on one end of the No. 1 rotating shaft, an arc-shaped groove is symmetrically provided on the upper surface of the mounting plate, an adjusting component is slidably connected inside the arc-shaped groove, the adjusting component comprises a fixing frame slidably connected inside the arc-shaped groove, a No. 2 bearing is fixedly mounted inside the fixing frame, a No. 2 rotating shaft is fixedly mounted on the inner ring of the No. 2 bearing, a tensioning wheel is fixedly mounted on one end of the No. 2 rotating shaft, and a transmission component is fixedly mounted on the upper surface of the fixing frame.

[0007] Furthermore, the upper surface of the mounting plate is provided with a plurality of mounting holes.

[0008] Furthermore, a plurality of limiting holes are equidistantly provided on the upper surface of the installation plate outside the arc-shaped slide groove, and connecting ears are symmetrically fixedly installed on the outer surface of the fixing frame.

[0009] Preferably, an insert rod is slidably connected inside the connecting ear, the insert rod passes through the connecting ear and is movably connected to the limiting hole, and connecting rings are fixedly installed on the upper ends of the two insert rods.

[0010] Furthermore, the transmission assembly includes a plurality of slide bars fixedly mounted on the upper surface of the fixed frame, the outer sides of the plurality of slide bars are slidably connected with a slide frame, and the inner surface of the slide frame is fixedly mounted with a motor.

[0011] Preferably, a clamping block is fixedly mounted on the output end of the motor, a clamping seat is fixedly mounted on the upper end surface of the tensioning wheel, and the clamping block is movably engaged with the clamping seat.

[0012] Preferably: an extension ring is fixedly installed on the upper ends of the two sliding rods, a screw is rotatably connected inside the extension ring, a thread groove is opened on the upper surface of the sliding frame, the screw is screwed through the thread groove, and limiting rings are fixedly installed on the outside of the screw on both sides of the extension ring.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Install the mounting plate at the designated position by passing the external fastener through the mounting hole, pull up the connecting ring to separate the insertion rod from the limiting hole at that location, slide the fixing frame inside the arc-shaped slide groove, and then press down the connecting ring to insert the insertion rod into the limiting hole at the corresponding position, fix the fixing frame, and limit the position of the tensioning wheel, so that the transmission belt can be moved out from multiple directions while maintaining the wrap angle with the pulley, thereby limiting the transmission belt on its surface from both sides of the pulley through the adjustment component, adjusting the wrap angle between the pulley and the transmission belt, replacing the installation of another tensioning structure to adjust the wrap angle, simplifying the adjustment process, making it easier to adjust the wrap angle between the pulley and the transmission belt, and making it easier for the transmission belt to transmit multiple pulleys at the same time, thereby increasing the use range of the pulley.

[0015] 2. Turn the screw rod, and through the engagement with the thread groove and the limiting action of the limiting ring, the screw rod drives the sliding frame to move downward, so that the clamping block is stuck inside the clamping seat, and the motor runs to make the tensioning wheel rotate actively, reducing the friction of the transmission belt passing through the surface of the tensioning wheel, and at the same time providing auxiliary power for the movement of the transmission belt, reducing the influence of the tensioning wheel on the transmission of the transmission belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the overall vertical section structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the vertical section structure of the transmission component part in the utility model.

[0020] In the figure: 1. mounting plate; 101. mounting hole; 102. arc-shaped slide groove; 103. limiting hole; 104. No. 1 bearing; 105. No. 1 rotating shaft; 106. pulley; 2. adjustment assembly; 201. fixing frame; 202. No. 2 bearing; 203. No. 2 rotating shaft; 204. tensioning wheel; 205. connecting ear; 206. plug rod; 207. connecting ring; 208. holder; 3. transmission assembly; 301. sliding rod; 302. sliding frame; 303. extension ring; 304. screw; 305. threaded groove; 306. limiting ring; 307. motor; 308. block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 In an embodiment of the utility model, a pulley assembly includes a mounting plate 1, a No. 1 bearing 104 is fixedly embedded and installed on the upper surface of the mounting plate 1, a No. 1 rotating shaft 105 is fixedly installed on the inner ring of the No. 1 bearing 104, a pulley 106 is fixedly installed on one end of the No. 1 rotating shaft 105, an arc-shaped slide groove 102 is symmetrically opened on the upper surface of the mounting plate 1, an adjusting component 2 is slidably connected inside the arc-shaped slide groove 102, the adjusting component 2 includes a fixed frame 201 slidably connected to the inside of the arc-shaped slide groove 102, a No. 2 bearing 202 is fixedly installed inside the fixed frame 201, a No. 2 rotating shaft 203 is fixedly installed on the inner ring of the No. 2 bearing 202, a tensioning wheel 204 is fixedly installed on one end of the No. 2 rotating shaft 203, and a transmission component 3 is fixedly installed on the upper surface of the fixed frame 201.

[0023] Specifically, by rotating the adjusting component 2 on the outside of the pulley 106 to adjust the position, the transmission belt is bent at different angles through the adjusting component 2, and the wrap angle between the transmission belt and the pulley 106 is adjusted. Then the transmission component 3 is operated to drive the tensioning wheel 204 to rotate, providing an auxiliary moving force for the transmission belt to prevent the tensioning wheel 204 from affecting the movement of the transmission belt. Embodiment 1

[0024] like Figure 1-3As shown, in this embodiment, a plurality of mounting holes 101 are provided on the upper surface of the mounting plate 1; a plurality of limiting holes 103 are equidistantly provided on the upper surface of the mounting plate 1 outside the arc-shaped slide groove 102, and a connecting ear 205 is symmetrically fixedly installed on the outer surface of the fixed frame 201; an insert rod 206 is slidably connected inside the connecting ear 205, and the insert rod 206 passes through the connecting ear 205 and is movably connected to the limiting hole 103, and a connecting ring 207 is fixedly installed on the upper ends of the two insert rods 206.

[0025] In this embodiment, the mounting plate 1 is installed at the specified position by passing the external fastener through the mounting hole 101, and the connecting ring 207 is pulled up to separate the insertion rod 206 from the limiting hole 103 at that location, and the fixing frame 201 is slid inside the arc-shaped slide groove 102, and then the connecting ring 207 is pressed down to insert the insertion rod 206 into the limiting hole 103 at the corresponding position, and the fixing frame 201 is fixed, and the position of the tensioning wheel 204 is limited, so that the transmission belt can be moved out from multiple directions while maintaining the wrap angle with the pulley 106, so that the transmission belt on its surface is limited from both sides of the pulley 106 through the adjustment component 2, and the wrap angle between the pulley 106 and the transmission belt is adjusted, instead of installing another tensioning structure to adjust the wrap angle, the adjustment process is simplified, and the wrap angle between the pulley 106 and the transmission belt is easier to adjust, so that the transmission belt can transmit multiple pulleys 106 at the same time, thereby increasing the use range of the pulley 106.

[0026] like Figure 2-4 As shown, in this embodiment, the transmission assembly 3 includes a plurality of slide bars 301 fixedly mounted on the upper surface of the fixed frame 201, the outer sides of the plurality of slide bars 301 are slidably connected with a slide frame 302, and the inner surface of the slide frame 302 is fixedly mounted with a motor 307; a clamping block 308 is fixedly mounted on the output end of the motor 307, a clamping seat 208 is fixedly mounted on the upper end surface of the tensioning wheel 204, and the clamping block 308 is movably engaged with the clamping seat 208; an extension ring 303 is fixedly mounted on the upper ends of the two slide bars 301, a screw rod 304 is rotatably connected inside the extension ring 303, a threaded groove 305 is opened on the upper surface of the slide frame 302, the screw rod 304 is screwed through the threaded groove 305, and a limiting ring 306 is fixedly mounted on the outer sides of the screw 304 on both sides of the extension ring 303.

[0027] During the specific implementation, the screw rod 304 is turned to engage with the thread groove 305 and under the limiting action of the limiting ring 306, the screw rod 304 drives the sliding frame 302 to move downward, so that the block 308 is stuck inside the base 208, and the motor 307 is turned on to make the tensioning wheel 204 rotate actively, reducing the friction force of the transmission belt passing through the surface of the tensioning wheel 204, and at the same time providing auxiliary power for the movement of the transmission belt, reducing the influence of the tensioning wheel 204 on the transmission of the transmission belt.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pulley assembly, characterized in that: The invention comprises a mounting plate (1), wherein a No. 1 bearing (104) is fixedly embedded and mounted on the upper surface of the mounting plate (1), a No. 1 rotating shaft (105) is fixedly mounted on the inner ring of the No. 1 bearing (104), a pulley (106) is fixedly mounted on one end of the No. 1 rotating shaft (105), an arc-shaped sliding groove (102) is symmetrically opened on the upper surface of the mounting plate (1), an adjusting component (2) is slidably connected inside the arc-shaped sliding groove (102), the adjusting component (2) comprises a fixing frame (201) slidably connected inside the arc-shaped sliding groove (102), a No. 2 bearing (202) is fixedly mounted inside the fixing frame (201), a No. 2 rotating shaft (203) is fixedly mounted on the inner ring of the No. 2 bearing (202), a tensioning wheel (204) is fixedly mounted on one end of the No. 2 rotating shaft (203), and a transmission component (3) is fixedly mounted on the upper surface of the fixing frame (201).

2. A pulley assembly according to claim 1, characterized in that: The upper surface of the mounting plate (1) is provided with a plurality of mounting holes (101).

3. A pulley assembly according to claim 1, characterized in that: The upper surface of the mounting plate (1) is provided with a plurality of limit holes (103) at equal intervals outside the arc-shaped slide groove (102), and the outer surface of the fixing frame (201) is symmetrically fixed with connecting ears (205).

4. A pulley assembly according to claim 3, characterized in that: An insertion rod (206) is slidably connected inside the connection ear (205), and the insertion rod (206) passes through the connection ear (205) and is movably connected to the limiting hole (103). A connection ring (207) is fixedly mounted on the upper ends of the two insertion rods (206).

5. A pulley assembly according to claim 1, characterized in that: The transmission assembly (3) comprises a plurality of sliding rods (301) fixedly mounted on the upper surface of the fixed frame (201), the outer sides of the plurality of sliding rods (301) being slidably connected to a sliding frame (302), and the inner surface of the sliding frame (302) being fixedly mounted with a motor (307).

6. A pulley assembly according to claim 5, characterized in that: A clamping block (308) is fixedly mounted on the output end of the motor (307), a clamping seat (208) is fixedly mounted on the upper end surface of the tensioning wheel (204), and the clamping block (308) is movably engaged with the clamping seat (208).

7. A pulley assembly according to claim 5, characterized in that: An extension ring (303) is fixedly installed on the upper ends of the two sliding rods (301), and a screw rod (304) is rotatably connected inside the extension ring (303). A threaded groove (305) is opened on the upper surface of the sliding frame (302), and the screw rod (304) is screwed through the threaded groove (305). Limiting rings (306) are fixedly installed on the outside of the screw rod (304) on both sides of the extension ring (303).

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