Novel straight keeping floor grinding machine

Abstract

The utility model discloses a novel straight keeping floor grinding machine which comprises a grinding machine vehicle body, the grinding machine vehicle body is provided with a grinding assembly, a walking driving assembly and a control box, and the grinding assembly comprises a grinding driving motor and a grinding disc; the walking driving assembly comprises two walking driving wheels, and each walking driving wheel is driven by a walking driving motor; the grinding driving motor and the walking driving motors are electrically connected with the control box. A gyroscope is arranged on a shell of the grinding machine vehicle body or the control box and is electrically connected with the control box; and each walking driving motor is a servo motor. By means of the structural design, the novel straight keeping floor grinding machine has the advantages of being novel in structural design and high in intelligent level, and straight keeping can be achieved under the condition of getting rid of manual remote control operation.

Description

Technical Field

[0001] This utility model relates to the field of floor grinding machine technology, and in particular to a novel straight-line holding floor grinding machine. Background Technology

[0002] Floor grinding machines are important equipment for floor treatment. They are used to grind and polish floors to improve their flatness and aesthetics. Floor grinding machines are widely used for grinding terrazzo, concrete surfaces, or epoxy mortar layers.

[0003] Among them, Chinese invention patent application with patent application number 202411180452.2 and patent title "A Stepper Grinding Machine and Grinding Method" discloses a stepper grinding machine. Specifically, the stepper grinding machine includes a vehicle body, a grinding mechanism, a drive mechanism, a control box, and a remote controller. The grinding mechanism is located at the head of the vehicle body, and the drive mechanism is located under the vehicle body. The control box is mounted on the vehicle body and is electrically connected to the grinding mechanism, the drive mechanism, and the remote controller. The grinding mechanism includes a gearbox and grinding discs, and the gearbox is connected to at least two grinding discs. The drive mechanism includes a left drive wheel and a right drive wheel, and the gearbox is equipped with grinding motors with the same number of grinding discs. The left drive wheel and the right drive wheel are respectively equipped with left drive motors and right drive motors. The remote controller is equipped with a display screen, a direction joystick, and function buttons. The function buttons include a travel speed adjustment knob, a grinding disc speed adjustment knob, an offset compensation knob, a grinding disc rotation key, a vehicle travel status key, a grinding disc start / stop key, and a power switch on the panel, as well as a stepper grinding switch and an emergency stop switch on the side.

[0004] During the use of the aforementioned step grinding machine, select the forward or reverse rotation of the grinding disc using the grinding disc rotation key, turn on the power switch, turn on the emergency stop switch, press the grinding disc start / stop key, adjust the grinding disc speed required for the current working condition using the grinding disc speed adjustment knob, and select forward or backward movement of the vehicle body using the vehicle body movement status key to start grinding; control the vehicle body movement speed using the movement speed adjustment knob according to the current working condition, control the left and right turning of the vehicle body by moving the direction joystick, and press the step grinding switch to start step grinding; when encountering a small-angle slope on the bottom surface, observe the display screen if the vehicle body deviates in direction, and control it using the offset compensation knob, rotating counterclockwise when the vehicle body deviates to the right and clockwise when it deviates to the left.

[0005] It should be noted that the aforementioned stepper grinder still has the following shortcomings: the stepper grinder is controlled to move in a straight line by a directional rocker arm (directional lever), and the directional rocker arm needs to be kept in operation while the stepper grinder is moving in a straight line; when the machine body deviates from its direction, it needs to be controlled by the offset compensation knob; therefore, the aforementioned stepper grinder has the defect of low intelligence level and cannot maintain straight line movement without human remote control operation. Utility Model Content

[0006] The purpose of this utility model is to provide a new type of straight-line keeping floor grinder to address the shortcomings of the existing technology. This new type of straight-line keeping floor grinder has a novel structural design, a high level of intelligence, and can achieve straight-line keeping without the need for manual remote control operation.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0008] A novel straight-line floor grinding machine includes a grinding machine body, a grinding component mounted on the grinding machine body, and a travel drive component located at the rear end of the grinding component. The grinding component includes a grinding drive motor mounted on the grinding machine body and a grinding disc mounted on the drive end of the grinding drive motor.

[0009] The walking drive assembly includes two walking drive wheels that are rotatably mounted on the grinding machine body. The grinding machine body is equipped with a walking drive motor corresponding to each walking drive wheel, and the drive end of each walking drive motor is connected to the corresponding walking drive wheel.

[0010] The grinding machine body is also equipped with a control box, and the grinding drive motor and each travel drive motor are electrically connected to the control box;

[0011] The grinding machine body or the outer shell of the control box is equipped with a gyroscope, which is electrically connected to the control box;

[0012] Each of the walking drive motors is a servo motor.

[0013] The grinding machine vehicle body includes a rear vehicle body and a front vehicle body located at the front end of the rear vehicle body. The walking drive component and the control box are respectively installed in the rear vehicle body, and the grinding component is installed in the front vehicle body.

[0014] The rear end of the front vehicle body is provided with two pivot arms that are arranged opposite each other and spaced apart. One pivot arm is located on the left side of the rear vehicle body, and the other pivot arm is located on the right side of the rear vehicle body. The rear ends of each pivot arm are hinged to the rear vehicle body through a pivot.

[0015] A gas spring is installed on the left and right sides of the rear vehicle body. The front end of each gas spring is hinged to the front vehicle body, and the rear end of each gas spring is hinged to the rear vehicle body.

[0016] The front end of the front vehicle body is provided with a forward-extending front extension arm. The front extension arm is equipped with a screw lifting pair. The screw lifting pair includes a screw nut that is fastened to the front extension arm. The screw nut is fitted with a lifting screw. The lower end of the lifting screw extends to the lower end of the front extension arm. A wheel frame is rotatably mounted on the lower end of the lifting screw. An auxiliary wheel located at the front end of the grinding disc is rotatably mounted on the wheel frame.

[0017] The upper end of the lifting screw is equipped with a drive handwheel.

[0018] The rear end of the grinding machine body is equipped with a manual operation handle, and the upper end of the manual operation handle is equipped with a manual controller, which is electrically connected to the control box.

[0019] The new type of straight-line floor grinding machine is equipped with a remote control, which is connected to the control box.

[0020] Compared with existing technologies, this utility model has the following advantages: Specifically, during the operation of this utility model, when the grinding machine deviates from its course due to differences in surface height or hardness, the control box controls the operation of each servo motor based on feedback information from the gyroscope. This control of the servo motor speed of each driving wheel overcomes the deviation of the grinding machine body 1, thus ensuring the grinding machine maintains straight-line movement. Therefore, this novel straight-line maintaining floor grinding machine can achieve straight-line maintenance without manual remote control operation, possessing the advantages of novel structural design and high level of intelligence. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0022] Figure 1 This is a schematic diagram of the structure of this utility model.

[0023] exist Figure 1 This includes:

[0024] 1-Grinding machine body; 11-Front body; 111-Pivot arm; 112-Front extension arm; 12-Rear body; 13-Gas spring; 2-Grinding assembly; 21-Grinding drive motor; 22-Grinding disc; 3-Walking drive assembly; 31-Walking drive wheel; 4-Control box; 5-Gyroscope; 6-Screw lifting pair; 61-Lifting screw; 62-Drive handwheel; 71-Wheel frame; 72-Auxiliary wheel; 8-Manual operation handle; 9-Manual controller. Detailed Implementation

[0025] The present invention will now be described in conjunction with specific embodiments.

[0026] Example 1, as Figure 1 As shown, a novel straight-line floor grinder includes a grinder body 1, a grinder assembly 2 and a walking drive assembly 3 located at the rear end of the grinder assembly 2. The grinder assembly 2 includes a grinder drive motor 21 mounted on the grinder body 1 and a grinder disc 22 mounted on the drive end of the grinder drive motor 21.

[0027] Among them, such as Figure 1 As shown, the walking drive assembly 3 includes two walking drive wheels 31 that are rotatably mounted on the grinding machine body 1. The grinding machine body 1 is equipped with a walking drive motor (not shown in the figure) corresponding to each walking drive wheel 31. The drive end of each walking drive motor is connected to the corresponding walking drive wheel 31.

[0028] Furthermore, such as Figure 1 As shown, the grinding machine body 1 is also equipped with a control box 4, and the grinding drive motor 21 and each travel drive motor are electrically connected to the control box 4.

[0029] Furthermore, such as Figure 1 As shown, a gyroscope 5 is installed on the outer shell of the grinding machine body 1 or the control box 4, and the gyroscope 5 is electrically connected to the control box 4.

[0030] It should be noted that each walking drive motor is a servo motor.

[0031] It should be explained that the new type of straight-stay floor grinder is equipped with a remote control (not shown in the figure), and the remote control is connected to the control box 4. During the use of the new type of straight-stay floor grinder in this embodiment, the operator can control the grinding process of the grinder through the remote control.

[0032] During the grinding operation of the new straight-line holding floor grinder in this embodiment, each walking drive wheel 31 is driven by a corresponding servo motor, and the two walking drive wheels 31 cooperate to achieve overall walking and rotation.

[0033] It should be emphasized that during the process of the walking drive component 3 driving the grinding machine body 1 to move in a straight line, the gyroscope 5 monitors the offset state of the grinding machine in real time and feeds back the status information of the grinding machine to the control box 4 in real time. When the grinding machine deviates due to the difference in height or hardness of the grinding ground, the control box 4 controls the action of each servo motor according to the feedback information of the gyroscope 5, so as to overcome the offset of the grinding machine body 1 by controlling the speed of the servo motor of each walking drive wheel 31, thereby making the grinding machine keep moving straight.

[0034] In summary, through the above structural design, the novel straight-line keeping floor grinder of this embodiment can achieve straight-line keeping without the need for manual remote control operation. That is, the novel straight-line keeping floor grinder of this embodiment has the advantages of novel structural design and high level of intelligence.

[0035] Example 2, as Figure 1 As shown, the difference between this embodiment 2 and embodiment 1 is that: the grinding machine body 1 includes a rear body 12 and a front body 11 located at the front end of the rear body 12, the walking drive component 3 and the control box 4 are respectively installed on the rear body 12, and the grinding component 2 is installed on the front body 11.

[0036] Among them, such as Figure 1 As shown, the rear end of the front vehicle body 11 is provided with two pivot arms 111 that are arranged opposite each other and spaced apart. One pivot arm 111 is located on the left side of the rear vehicle body 12, and the other pivot arm 111 is located on the right side of the rear vehicle body 12. The rear ends of each pivot arm 111 are respectively hinged to the rear vehicle body 12 via a pivot.

[0037] In addition, such as Figure 1 As shown, a gas spring 13 is installed on the left and right sides of the rear vehicle body 12. The front end of each gas spring 13 is hinged to the front vehicle body 11, and the rear end of each gas spring 13 is hinged to the rear vehicle body 12.

[0038] It should be noted that during the ground grinding operation of the grinding assembly 2 installed on the front vehicle body 11, the two gas springs 13 of this embodiment 2 can dampen the front vehicle body 11. This damping structure can effectively reduce the vibration generated by the grinding assembly 2 during the grinding operation.

[0039] Example 3, as Figure 1 As shown, the difference between this embodiment 3 and embodiment 2 is that: the front end of the front vehicle body 11 is provided with a forward extending arm 112, the front extending arm 112 is equipped with a lead screw lifting pair 6, the lead screw lifting pair 6 includes a lead screw nut (not shown in the figure) fastened to the front extending arm 112, the lead screw nut is fitted with a lifting lead screw 61, the lower end of the lifting lead screw 61 extends to the lower end side of the front extending arm 112, and the lower end of the lifting lead screw 61 is rotatably mounted with a wheel frame 71, and the wheel frame 71 is rotatably mounted with an auxiliary wheel 72 located on the front end side of the grinding disc 22.

[0040] In order to facilitate the rotation of the lifting screw 61, a drive handwheel 62 is installed at the upper end of the lifting screw 61 in this embodiment 3.

[0041] When performing floor grinding operations with the new straight-stay floor grinder in this embodiment three, the operator can operate the lifting screw 61 by rotating the drive handwheel 62. Since the screw nut is fastened to the front extension arm 112, the lifting screw 61 moves up and down relative to the front extension arm 112 during this process, thereby adjusting the height of the auxiliary wheel 72, and finally realizing the adjustment of the angle of the front vehicle body 11 and the grinding angle of the grinding assembly 2.

[0042] Example 4, as Figure 1 As shown, the difference between this embodiment four and embodiment one is that: a manual operation handle 8 is installed at the rear end of the grinding machine body 1, and a manual controller 9 is installed at the upper end of the manual operation handle 8. The manual controller 9 is electrically connected to the control box 4.

[0043] When the new straight-stay floor grinder of this embodiment 4 is manually operated, the manual operation handle 8 can facilitate the push and pull operation of the operator. The manual controller 9 installed on the upper end of the manual operation handle 8 facilitates the operator to control the grinding action during manual operation.

[0044] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A novel straight-running floor grinding machine, comprising a grinding machine body (1), a grinding assembly (2) mounted on the grinding machine body (1), and a walking drive assembly (3) located at the rear end of the grinding assembly (2). The grinding assembly (2) includes a grinding drive motor (21) mounted on the grinding machine body (1) and a grinding disc (22) mounted on the drive end of the grinding drive motor (21). The walking drive assembly (3) includes two walking drive wheels (31) that are rotatably mounted on the grinding machine body (1). The grinding machine body (1) is equipped with a walking drive motor corresponding to each walking drive wheel (31), and the drive end of each walking drive motor is connected to the corresponding walking drive wheel (31). The grinding machine body (1) is also equipped with a control box (4), and the grinding drive motor (21) and each walking drive motor are electrically connected to the control box (4); characterized in that The outer shell of the grinding machine body (1) or control box (4) is equipped with a gyroscope (5), and the gyroscope (5) is electrically connected to the control box (4); Each of the walking drive motors is a servo motor.

2. A new straight line holding floor grinding machine according to claim 1, characterized in that: The grinding machine body (1) includes a rear body (12) and a front body (11) located at the front end of the rear body (12). The walking drive component (3) and the control box (4) are respectively installed on the rear body (12), and the grinding component (2) is installed on the front body (11). The rear end of the front vehicle body (11) is provided with two pivot arms (111) that are arranged opposite each other and spaced apart. One pivot arm (111) is located on the left side of the rear vehicle body (12), and the other pivot arm (111) is located on the right side of the rear vehicle body (12). The rear ends of each pivot arm (111) are respectively hinged to the rear vehicle body (12) via a pivot. A gas spring (13) is installed on the left and right sides of the rear vehicle body (12). The front end of each gas spring (13) is hinged to the front vehicle body (11), and the rear end of each gas spring (13) is hinged to the rear vehicle body (12).

3. A new straight line holding floor grinder as claimed in claim 2, wherein: The front end of the front vehicle body (11) is provided with a forward extension arm (112) extending forward. The front extension arm (112) is equipped with a screw lifting pair (6). The screw lifting pair (6) includes a screw nut fastened to the front extension arm (112). The screw nut is fitted with a lifting screw (61). The lower end of the lifting screw (61) extends to the lower end of the front extension arm (112). The lower end of the lifting screw (61) is rotatably mounted with a wheel frame (71). The wheel frame (71) is rotatably mounted with an auxiliary wheel (72) located at the front end of the grinding disc (22).

4. A new straight line holding floor grinder as claimed in claim 3, wherein: The upper end of the lifting screw (61) is equipped with a drive handwheel (62).

5. A new straight line holding floor grinding machine as claimed in claim 1, wherein: The rear end of the grinding machine body (1) is equipped with a manual operation handle (8), and the upper end of the manual operation handle (8) is equipped with a manual controller (9), which is electrically connected to the control box (4).

6. A new straight line holding floor grinding machine as claimed in claim 1, wherein: The new straight-stay floor grinder is equipped with a remote control, which is connected to the control box (4) for communication.

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