Novel gear assembly capable of adjusting gear meshing clearance

Abstract

The utility model discloses a novel gear assembly capable of adjusting a gear meshing clearance, which comprises a power device, and a transmission device is arranged at the top of the power device. The transmission device comprises a first belt wheel, a second belt wheel is arranged above the first belt wheel, a third belt wheel is arranged on one side of the second belt wheel, a belt is arranged among the first belt wheel, the second belt wheel and the third belt wheel, a driven gear is arranged in front of the first belt wheel, and a driven gear is arranged in front of the second belt wheel. A first moving frame is rotationally arranged in front of the driven gear, and a second moving frame is rotationally arranged in front of the third belt wheel. According to the novel gear assembly capable of adjusting the gear meshing clearance, when the first belt wheel moves leftwards, the third belt wheel moves rightwards, and when the first belt wheel moves rightwards, the third belt wheel moves leftwards, tension borne by a belt is adjusted, the influence of gear clearance adjustment on the belt is reduced, and the transmission stability of a device is improved; and the device can be better matched with a belt wheel transmission system.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear component design, in particular to a novel gear component with adjustable gear meshing clearance. Background Art

[0002] A gear is a mechanical transmission device consisting of a series of tooth-like protrusions, usually used in mechanical systems. It transmits power from one shaft to another by meshing with each other to achieve the purpose of rotation. Gears are usually used in transmission systems to change the direction of rotation, adjust the speed, and increase or decrease the output torque. They are widely used in various equipment and machinery, including automobiles, industrial machinery, clocks, etc. The design and manufacture of gears need to take into account factors such as the number of teeth, module, pressure angle, tooth shape and tooth surface hardness to ensure their normal operation and effective transmission of power.

[0003] The existing gear set is often connected to the pulley transmission system for common transmission. When the gear set changes the gear gap, the corresponding pulley moves synchronously, and the corresponding belt tensioning force is likely to change accordingly, affecting the transmission effect. The existing new gear assembly with adjustable gear meshing gap lacks the design of synchronous adjustment of the pulley system, and the device cannot better adapt to the pulley transmission system. Utility Model Content

[0004] The utility model aims to provide a novel gear assembly with adjustable gear meshing clearance to solve the problems existing in the above-mentioned background technology.

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

[0006] A new gear assembly with adjustable gear meshing clearance comprises a power device, a transmission device is arranged on the top of the power device; the transmission device comprises a first pulley, a second pulley is arranged above the first pulley, a third pulley is arranged on one side of the second pulley, a belt is arranged between the first pulley, the second pulley and the third pulley, a driven gear is arranged in front of the first pulley, a first movable frame is rotatably arranged in front of the driven gear, and a second movable frame is rotatably arranged in front of the third pulley.

[0007] Further: the power device includes a first bracket, a driving gear is rotatably arranged on the top of the first bracket, a first motor is installed behind the driving gear, a second bracket is arranged on one side of the first bracket, a lead screw is rotatably arranged on the top of the second bracket, the lead screw thread is a forward and reverse thread, and a second motor is installed on one end of the lead screw.

[0008] Furthermore: the second bracket is welded to the first bracket.

[0009] Furthermore: the lead screw is connected to the second bracket bearing, and the second motor is bolted to the second bracket.

[0010] Furthermore: the driven gear is key-connected to the first pulley.

[0011] Furthermore: the first moving frame and the second moving frame have the same shape, and the third pulley is connected to a bearing of the second moving frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When the gap between the driving gear and the driven gear needs to be adjusted, the second bracket supports the second motor to drive the screw to rotate, and the screw simultaneously drives the first movable frame and the second movable frame to open and close evenly, wherein the first movable frame drives the driven gear to move left and right, thereby realizing the adjustment of the gap between the driving gear and the driven gear. In this process, the first pulley moves synchronously, so the relative position between the first pulley and the second pulley changes, and the tension of the belt changes, which easily affects the transmission effect. Therefore, the second movable frame moves synchronously, when the first pulley moves to the left, the third pulley moves to the right, and when the first pulley moves to the right, the third pulley moves to the left, so as to adjust the tension of the belt, reduce the influence of the gear gap adjustment on it, improve the transmission stability of the device, and enable the device to better adapt to the pulley transmission system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a structural schematic diagram of a novel gear assembly with adjustable gear meshing clearance described in the utility model;

[0016] Figure 2 It is a structural schematic diagram of a power device of a novel gear assembly with adjustable gear meshing clearance described in the utility model;

[0017] Figure 3 It is a structural schematic diagram of a transmission device of a novel gear assembly with adjustable gear meshing clearance described in the utility model.

[0018] In the accompanying drawings: 1, power device; 101, first bracket; 102, driving gear; 103, first motor; 104, second bracket; 105, screw; 106, second motor; 2, transmission device; 201, first pulley; 202, second pulley; 203, third pulley; 204, belt; 205, driven gear; 206, first mobile frame; 207, second mobile frame. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[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 Figure 1-Figure 3 A novel gear assembly with adjustable gear meshing clearance comprises a power device 1, on top of which a transmission device 2 is arranged.

[0023] In this embodiment: the power device 1 includes a first bracket 101, a driving gear 102 is rotatably provided on the top of the first bracket 101, a first motor 103 is installed behind the driving gear 102, a second bracket 104 is provided on one side of the first bracket 101, a lead screw 105 is rotatably provided on the top of the second bracket 104, the lead screw 105 thread is a positive and negative thread, a second motor 106 is installed on one end of the lead screw 105, the second bracket 104 is welded to the first bracket 101, the lead screw 105 is connected to the second bracket 104 bearing, the second motor 106 is bolted to the second bracket 104, when the device is running, the first bracket 101 supports the first motor 103 to drive the driving gear 102 to rotate, when the gap between the driving gear 102 and the driven gear 205 needs to be adjusted, the second bracket 104 supports the second motor 106 to drive the lead screw 105 to rotate, and the lead screw 105 drives the first mobile frame 206 and the second mobile frame 207 to open and close evenly at the same time;

[0024] In this embodiment: the transmission device 2 includes a first pulley 201, a second pulley 202 is arranged above the first pulley 201, a third pulley 203 is arranged on one side of the second pulley 202, a belt 204 is arranged between the first pulley 201, the second pulley 202 and the third pulley 203, a driven gear 205 is arranged in front of the first pulley 201, a first movable frame 206 is rotatably arranged in front of the driven gear 205, and a second movable frame 207 is rotatably arranged in front of the third pulley 203, the driven gear 205 is connected with the first pulley 201 with a flat key, the first movable frame 206 and the second movable frame 207 have the same shape, the third pulley 203 is connected with the second movable frame 207 with a bearing, the driving gear 102 meshes with the driven gear 205, and drives the first pulley 201 to rotate under the support of the first movable frame 206, and the third A pulley 201 drives the second pulley 202 to rotate through a belt 204 to achieve power output, and the first movable frame 206 drives the driven gear 205 to move left and right to adjust the gap between the driving gear 102 and the driven gear 205. During this process, the first pulley 201 moves synchronously, so the relative position between the first pulley 201 and the second pulley 202 changes, and the tension of the belt 204 changes, which easily affects the transmission effect. Therefore, the second movable frame 207 moves synchronously. When the first pulley 201 moves to the left, the third pulley 203 moves to the right. When the first pulley 201 moves to the right, the third pulley 203 moves to the left, so as to adjust the tension of the belt 204, reduce the influence of the gear gap adjustment on it, improve the transmission stability of the device, and enable the device to better adapt to the pulley transmission system.

[0025] Working principle: The second pulley 202 is connected to the outside world and is responsible for outputting power. When the device is running, the first bracket 101 supports the first motor 103 to drive the driving gear 102 to rotate, and the driving gear 102 engages with the driven gear 205. Under the support of the first mobile frame 206, the first pulley 201 is driven to rotate. The first pulley 201 drives the second pulley 202 to rotate through the belt 204 to achieve power output. When the gap between the driving gear 102 and the driven gear 205 needs to be adjusted, the second bracket 104 supports the second motor 106 to drive the screw 105 to rotate, and the screw 105 simultaneously drives the first mobile frame 206 and the second mobile frame 207 to open and close evenly, wherein the first mobile frame 2 06 drives the driven gear 205 to move left and right to adjust the gap between the driving gear 102 and the driven gear 205. During this process, the first pulley 201 moves synchronously, so the relative position between the first pulley 201 and the second pulley 202 changes, and the tension of the belt 204 changes, which can easily affect the transmission effect. Therefore, the second movable frame 207 moves synchronously. When the first pulley 201 moves to the left, the third pulley 203 moves to the right. When the first pulley 201 moves to the right, the third pulley 203 moves to the left, so as to adjust the tension of the belt 204, reduce the influence of the gear gap adjustment on it, improve the transmission stability of the device, and enable the device to better adapt to the pulley transmission system.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel gear assembly with adjustable gear meshing clearance, comprising a power device (1), characterized in that: A transmission device (2) is arranged on the top of the power device (1); The transmission device (2) comprises a first pulley (201), a second pulley (202) is arranged above the first pulley (201), a third pulley (203) is arranged on one side of the second pulley (202), a belt (204) is arranged between the first pulley (201), the second pulley (202) and the third pulley (203), a driven gear (205) is arranged in front of the first pulley (201), a first movable frame (206) is rotatably arranged in front of the driven gear (205), and a second movable frame (207) is rotatably arranged in front of the third pulley (203).

2. A novel gear assembly with adjustable gear meshing clearance according to claim 1, characterized in that: The power device (1) comprises a first bracket (101), a driving gear (102) is rotatably provided on the top of the first bracket (101), a first motor (103) is mounted behind the driving gear (102), a second bracket (104) is disposed on one side of the first bracket (101), a lead screw (105) is rotatably provided on the top of the second bracket (104), the lead screw (105) has a forward and reverse thread, and a second motor (106) is mounted on one end of the lead screw (105).

3. A novel gear assembly with adjustable gear meshing clearance according to claim 2, characterized in that: The second bracket (104) and the first bracket (101) are welded together.

4. A novel gear assembly with adjustable gear meshing clearance according to claim 2, characterized in that: The lead screw (105) is bearing-connected to the second bracket (104), and the second motor (106) is bolt-connected to the second bracket (104).

5. The novel gear assembly with adjustable gear meshing clearance according to claim 1 is characterized in that: The driven gear (205) is key-connected to the first pulley (201).

6. A novel gear assembly with adjustable gear meshing clearance according to claim 1, characterized in that: The first movable frame (206) and the second movable frame (207) have the same shape, and the third pulley (203) is bearing-connected to the second movable frame (207).

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