Crawler driving variable speed motor assembly

Abstract

The utility model discloses a track-driven variable-speed motor assembly, and belongs to the technical field of motor assemblies. The track driving variable-speed motor assembly comprises a driving motor, a motor shell is arranged on the outer side of the driving motor, metal cooling fins are arranged on the two sides of the motor shell, a transmission connecting rod is arranged at one end of the driving motor, a motor driving wheel is arranged at one end of the transmission connecting rod, a motor variable-speed wheel is arranged on one side of the motor driving wheel, and the motor variable-speed wheel is arranged on the other side of the transmission connecting rod. Wherein the motor driving wheel is connected with the motor change wheel through a transmission belt. In order to solve the problem that most existing direct-current motors are of rigid connection structures during connection and use, but the rigid structures are very easy to break or wear along with the influence of the use environment and the use time, shaking between the motors and the connection structures is eliminated through slight displacement, traditional rigid connection is replaced, and the stability of the connection structure is improved. And the service life of the equipment is prolonged through an adjustable and controllable flexible connecting structure.

Description

Technical Field

[0001] The utility model relates to the technical field of motor assemblies, in particular to a crawler drive variable speed motor assembly. Background Art

[0002] Brushed DC motors have mature manufacturing processes and a wide range of application scenarios, and can meet the basic needs of crawler robots in terms of walking and turning. Brushless DC motors are increasingly used in high-end crawler robots due to their stable operation, high efficiency, and long life.

[0003] However, most existing DC motors are connected in a rigid connection structure when used. However, with the influence of the use environment and the use time, the rigid structure is very easy to break or wear. Utility Model Content

[0004] The purpose of the utility model is to provide a crawler-driven variable-speed motor assembly, which can eliminate the shaking between the motor and the connecting structure by slight displacement when driving on a bumpy road, replace the traditional rigid connection, and increase the service life of the equipment through an adjustable flexible connection structure, thereby solving the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crawler drive variable speed motor assembly, including a drive motor, a motor housing is arranged on the outside of the drive motor, and metal heat sinks are arranged on both sides of the motor housing, wherein a transmission connecting rod is arranged at one end of the drive motor, a motor drive wheel is arranged at one end of the transmission connecting rod, and a motor speed change wheel is arranged on one side of the motor drive wheel, wherein the motor drive wheel and the motor speed change wheel are connected by a transmission belt.

[0006] Furthermore, the motor drive wheel and the motor speed change wheel have the same structure, and both the motor drive wheel and the motor speed change wheel include a shaft sleeve, wherein a limit stop plate is provided on one side of the shaft sleeve.

[0007] Furthermore, a roller is provided between the shaft sleeve and the limit stop plate, and the roller is rotatably connected to the shaft sleeve and the limit stop plate via a bearing, wherein the roller is connected to the transmission connecting rod via a bolt.

[0008] Furthermore, a triangular shaft frame is arranged inside the shaft sleeve, and the rotating roller extends into the interior of the shaft sleeve, wherein the rotating roller is rotatably connected to the triangular shaft frame.

[0009] Furthermore, a locking spring is arranged on the outer side of the triangular shaft frame, and the triangular shaft frame and the shaft sleeve are rotationally connected via a hinge shaft.

[0010] Furthermore, the locking spring is sleeved on the outer side of the rotating roller, wherein one end of the locking spring is in contact with the locking spring, and the other end of the locking spring is in contact with the triangular shaft frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can adjust the rollers inside the motor driving wheel and the motor speed change wheel in a telescopic manner through the triangular shaft frame and the locking spring. The rollers will pull the triangular shaft frame when telescopically changing position, so that the triangular shaft frame is extended through the twist shaft and the shaft sleeve. The locking spring can play a limiting role to avoid the displacement length being too large and causing the travel direction to be offset. When driving on a bumpy road, the shaking between the motor and the connecting structure can be eliminated through slight displacement, thereby replacing the traditional rigid connection and improving the service life of the equipment through the adjustable flexible connection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall front view of the utility model;

[0014] Figure 2 It is an overall side view of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the motor drive wheel of the utility model.

[0016] In the figure: 1. driving motor; 2. motor driving wheel; 3. motor speed change wheel; 4. driving belt; 101. metal heat sink; 102. driving connecting rod; 103. motor housing; 2301. bushing; 2302. limit stop plate; 2303. roller; 2304. locking spring; 2305. triangular shaft frame; 2306. twisted shaft. DETAILED DESCRIPTION

[0017] 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.

[0018] In order to solve the problem that most existing DC motors are connected in a rigid connection structure, but with the influence of the use environment and the use time, the rigid structure is very easy to break or wear; please refer to Figure 1-3 , the utility model provides the following solutions:

[0019] The crawler drive variable speed motor assembly comprises a drive motor 1, a motor housing 103 is arranged outside the drive motor 1, metal heat sinks 101 are arranged on both sides of the motor housing 103, wherein a transmission connecting rod 102 is arranged at one end of the drive motor 1, a motor drive wheel 2 is arranged at one end of the transmission connecting rod 102, a motor variable speed wheel 3 is arranged on one side of the motor drive wheel 2, wherein the motor drive wheel 2 and the motor variable speed wheel 3 are connected by a transmission belt 4;

[0020] The driving motor 1 is installed with the vehicle frame, and the crawler is connected with the vehicle frame through the motor speed change wheel 3. The driving motor 1 and the motor speed change wheel 3 are driven by the motor driving wheel 2 and the driving belt 4. The motor realizes the movement of the crawler through the driving belt 4 and two sets of driving wheel structures.

[0021] The motor drive wheel 2 has the same structure as the motor speed change wheel 3. Both the motor drive wheel 2 and the motor speed change wheel 3 include a shaft sleeve 2301, wherein a limit stop plate 2302 is provided on one side of the shaft sleeve 2301, and a roller 2303 is provided between the shaft sleeve 2301 and the limit stop plate 2302. The roller 2303 is rotatably connected to the shaft sleeve 2301 and the limit stop plate 2302 through a bearing, wherein the roller 2303 is connected to the transmission connecting rod 102 through bolts, and the limit stop plate 2302 can prevent the transmission belt 4 from being offset and misaligned during the transmission process. A triangular shaft frame 2305 is arranged inside 2301, and a rotating roller 2303 extends to the inside of the shaft sleeve 2301, wherein the rotating roller 2303 is rotatably connected to the triangular shaft frame 2305, and a locking spring 2304 is arranged outside the triangular shaft frame 2305, and the triangular shaft frame 2305 is rotatably connected to the shaft sleeve 2301 through a twisted shaft 2306, and the locking spring 2304 is sleeved on the outside of the rotating roller 2303, wherein one end of the locking spring 2304 is in contact with the locking spring 2304, and the other end of the locking spring 2304 is in contact with the triangular shaft frame 2305;

[0022] The roller 2303 inside the motor drive wheel 2 and the motor speed change wheel 3 can be telescopically regulated through the triangular shaft frame 2305 and the locking spring 2304. When the roller 2303 is telescopically displaced, it will pull the triangular shaft frame 2305, so that the triangular shaft frame 2305 is extended through the twist shaft 2306 and the shaft sleeve 2301. The locking spring 2304 can play a limiting role to avoid the displacement length being too large and causing the travel direction to be offset. When driving on bumpy roads, slight displacement can be used to eliminate the shaking between the motor and the connection structure, replacing the traditional rigid connection, and the adjustable flexible connection structure is used to increase the service life of the equipment.

[0023] Working principle: the drive motor 1 is installed and used with the frame, and the track parts are connected to the frame through the motor speed wheel 3. The drive motor 1 and the motor speed wheel 3 are driven by the motor drive wheel 2 and the transmission belt 4. The motor realizes the movement of the track through the transmission belt 4 and two sets of transmission wheel structures. When driving on bumpy roads, the shaking between the motor and the connection structure can be eliminated by slight displacement, replacing the traditional rigid connection, and the service life of the equipment is improved through the adjustable flexible connection structure.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] 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. Track drive variable speed motor assembly, characterized in that: The invention comprises a drive motor (1), wherein a motor housing (103) is arranged outside the drive motor (1), and metal heat sinks (101) are arranged on both sides of the motor housing (103), wherein a transmission connecting rod (102) is arranged at one end of the drive motor (1), and a motor drive wheel (2) is arranged at one end of the transmission connecting rod (102), and a motor speed change wheel (3) is arranged on one side of the motor drive wheel (2), wherein the motor drive wheel (2) and the motor speed change wheel (3) are connected via a transmission belt (4), the motor drive wheel (2) and the motor speed change wheel (3) have the same structure, and the motor drive wheel (2) and the motor speed change wheel (3) both comprise a shaft sleeve (2301), wherein a limit stop plate (2302) is arranged on one side of the shaft sleeve (2301).

2. The crawler drive variable speed motor assembly according to claim 1, characterized in that: A rotating roller (2303) is provided between the shaft sleeve (2301) and the limiting stop plate (2302), and the rotating roller (2303) is rotatably connected to the shaft sleeve (2301) and the limiting stop plate (2302) via bearings, wherein the rotating roller (2303) is connected to the transmission connecting rod (102) via bolts.

3. The crawler drive variable speed motor assembly according to claim 2, characterized in that: A triangular shaft frame (2305) is arranged inside the shaft sleeve (2301), and the rotating roller (2303) extends into the interior of the shaft sleeve (2301), wherein the rotating roller (2303) is rotatably connected to the triangular shaft frame (2305).

4. The crawler drive variable speed motor assembly according to claim 3 is characterized in that: A locking spring (2304) is provided on the outer side of the triangular shaft frame (2305), and the triangular shaft frame (2305) and the shaft sleeve (2301) are rotationally connected via a twisted shaft (2306).

5. The crawler drive variable speed motor assembly according to claim 4, characterized in that: The locking spring (2304) is sleeved on the outside of the rotating roller (2303), wherein one end of the locking spring (2304) is in contact with the locking spring (2304), and the other end of the locking spring (2304) is in contact with the triangular shaft frame (2305).

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