Handheld derusting polisher

Abstract

The utility model discloses a handheld derusting polisher, and relates to the field of derusting and corrosion prevention, the handheld derusting polisher comprises a motor, a machine body on one side of an output shaft of the motor is fixedly connected with an extension tube, and the other end of the extension tube is connected with a transmission case through a connecting rod; an output shaft of the motor is connected with a driving shaft, the driving shaft is sleeved with the lengthening pipe and penetrates out of the other side of the lengthening pipe, the driving shaft penetrates into the transmission box and outputs power to a grinding wheel shaft through a transmission device, the grinding wheel shaft penetrates out of the two sides of the transmission box, and grinding wheels are arranged on the two sides of the grinding wheel shaft. Construction safety is improved, large-size grinding wheels can be adopted, the number of the grinding wheels is changed from a single handheld grinding wheel to a double-side grinding wheel, rust removal efficiency and rust removal quality are greatly improved, labor intensity is lowered, and meanwhile the risk that people fall is lowered.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rust removal and corrosion prevention, in particular to a hand-held rust removal and polishing machine. BACKGROUND

[0002] Currently, in the equipment installation process of newly-built air shaft, the equipment channel steel foundation needs to be rusted. The small hand-held polisher is commonly used to rust according to the process standard, and the channel steel is welded to the ground foundation after rust removal. The disadvantage of the traditional rust removal process is that more manual labor is required, the efficiency is low, the labor intensity of workers is large, the operation is dangerous, and safety accidents are prone to occur. When the channel steel installed on the secondary cable hole is rusted, there is a risk of falling, which affects the construction progress and increases the construction cost.

[0003] Therefore, for the channel steel foundation and other steel components rust removal process, a hand-held workpiece surface rust removal machine with simple structure, flexible rust removal mode, reduced labor intensity of workers, increased construction safety and met rust removal process standard is needed to ensure the equipment installation construction progress. SUMMARY

[0004] The utility model aims at the deficiency in the prior art, and designs a hand-held rust removal and polishing machine to solve the problems of high labor intensity and dangerous operation.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a hand-held rust removal and polishing machine, adopts the following technical scheme, including: motor, the motor output shaft one side's body fixed connection has the lengthening pipe, the lengthening pipe other end is connected with transmission box through connecting rod, the motor output shaft is connected with the driving shaft sleeve and is located in the lengthening pipe inside and from the lengthening pipe other side, the driving shaft is inserted into the transmission box and passes through the transmission device and exports power to the grinding wheel shaft, the grinding wheel shaft is from the transmission box both sides, the grinding wheel is provided with the grinding wheel on the both sides of the grinding wheel shaft.

[0006] Further, the transmission device includes: the driving cone gear arranged at one end of the transmission box, and the driven cone gear arranged inside the transmission box is engaged with the driving cone gear.

[0007] Further, the grinding wheel shaft is fixedly provided with a positioning disc outside the transmission box, the grinding wheel abuts against the positioning disc, and a fixing disc is arranged outside the grinding wheel for fastening and dismounting the grinding wheel.

[0008] Further, a rear handle is arranged at the rear end of the motor, a front handle is arranged at one side of the lengthening pipe, and the rear handle and the front handle are used for manual holding operation.

[0009] Furthermore, the extension tube is provided with a guard plate on one side of the transmission box to prevent iron chips from splashing.

[0010] Furthermore, the transmission box is provided with a sealed box cover to prevent iron filings from entering the transmission box and causing wear of the transmission device.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. This utility model uses a drive shaft mounted inside an extension tube. An auxiliary handle is installed on the extension tube, keeping the handheld part away from the grinding wheel, increasing construction safety. A guard plate is installed behind the grinding wheel to prevent rust particles from splashing and causing harm to workers, thus avoiding safety accidents.

[0013] 2. The grinding wheel used in the utility model is large in size and the number is changed from a single handheld one to a double-sided one, which greatly improves the rust removal efficiency and quality.

[0014] 3. The utility model adopts an extension pipe to reduce the risk of personnel falling when manually removing rust from the channel steel foundation wind steel components installed on the secondary cable hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of one side of the motor of the utility model;

[0017] Figure 3 This is a schematic structural diagram of one side of the grinding wheel of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the grinding wheel of the utility model after some components are hidden.

[0019] In the figure: 1-motor; 2-rear handle; 3-extension tube; 4-front handle; 5-guard plate; 6-transmission box; 7-driving shaft; 8-connecting rod; 9-grinding wheel shaft; 10-driving bevel gear; 11-driven bevel gear; 12-positioning plate; 13-grinding wheel; 14-fixed plate; 15-box cover. DETAILED DESCRIPTION

[0020] The following describes preferred embodiments of the present invention in greater detail. Although preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0021] In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1-4 As shown, the utility model is a hand-held rust removal and grinding machine, comprising: a motor 1, a body on one side of the output shaft of the motor 1 is fixedly connected to an extension tube 3, and the other end of the extension tube 3 is connected to a transmission box 6 through a connecting rod 8, wherein the transmission box 6 is provided with a sealed box cover 15 to prevent iron filings from entering the transmission box 6 and causing wear of the transmission device, the output shaft of the motor 1 is connected to a driving shaft 7 which is sleeved inside the extension tube 3 and passes through the other side of the extension tube 3, the driving shaft 7 passes through the transmission box 6 and outputs power to the grinding wheel shaft 9 through the transmission device, the grinding wheel shaft 9 passes through both sides of the transmission box 6, the grinding wheel shaft 9 is located on the outside of the transmission box 6 and is fixed with a positioning plate 12, the grinding wheel 13 is pressed against the positioning plate 12, and a fixing plate 14 is provided on the outside of the grinding wheel 13 for fastening and disassembling the grinding wheel 13.

[0024] Specifically, the transmission device includes: a driving shaft 7 is located at one end of a transmission box 6 and a driving bevel gear 10 is provided, a grinding wheel shaft 9 is located inside the transmission box 6 and is provided with a driven bevel gear 11 that meshes with the driving bevel gear 10, the output shaft of the motor 1 drives the driving shaft 7 to rotate, the driving shaft 7 drives the driving bevel gear 10 to rotate, the driving bevel gear 10 drives the driven bevel gear 11 to rotate, and the rotation of the driven bevel gear 11 drives the grinding wheel shaft 9 and the grinding wheel 13 to rotate, thereby performing a grinding operation on the workpiece.

[0025] In a specific embodiment, a rear handle 2 is provided at the rear end of the motor 1, and a front handle 4 is provided on one side of the extension tube 3. The rear handle 2 and the front handle 4 are used for manual holding operation. A guard plate 5 is provided on one side of the transmission box 6 of the extension tube 3 to prevent iron chips from splashing and reduce the risk of personal injury.

[0026] The utility model has a high rust removal effect and high efficiency, and is simple in structure and flexible in rust removal, which can save labor costs. In addition, due to the use of the extension pipe 3, the risk of falling when the manual labor is removing rust from the channel steel foundation wind steel component installed on the secondary cable hole is reduced.

[0027] The utility model increases the distance between personnel and workpieces by adopting the extension tube 3, thereby reducing the risk of personal injury. In the use environment, the number of grinding wheels can be increased accordingly according to the situation, and a steel plate can be used at the end of the grinding wheel to block the rust chips produced by grinding, which can be flexibly used for long-distance rust removal.

[0028] In a specific usage environment, such as the rust removal of the foundation channel steel of a substation, the traditional rust removal method takes two people about four days to complete, while the present invention only requires one person one day to complete the rust removal of the foundation channel steel. Even if the production cost of the present invention is increased, the total cost is still reduced by about two-thirds, and the present invention can be reused in future construction.

[0029] The above embodiments are only preferred embodiments of the present invention. The above description does not limit the protection scope of the present invention in turn. The above description is exemplary and not exhaustive. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention. Without departing from the scope and spirit of the described embodiments, many modifications and changes are obvious to ordinary technicians in this technical field.

Claims

1. A handheld rust removal and grinding machine, characterized in that: include: A motor (1) is provided. The motor (1) has a body fixedly connected to an extension tube (3) on one side of its output shaft. The other end of the extension tube (3) is connected to a transmission box (6) via a connecting rod (8). The output shaft of the motor (1) is connected to a driving shaft (7) which is sleeved inside the extension tube (3) and passes through the other side of the extension tube (3). The driving shaft (7) passes through the transmission box (6) and outputs power to a grinding wheel shaft (9) through a transmission device. The grinding wheel shaft (9) passes through both sides of the transmission box (6). Grinding wheels (13) are provided on both sides of the grinding wheel shaft (9).

2. A handheld rust removal and grinding machine according to claim 1, characterized in that: The transmission device comprises: the driving shaft (7) is located at one end of the transmission box (6) and a driving bevel gear (10) is provided; the grinding wheel shaft (9) is located inside the transmission box (6) and is provided with a driven bevel gear (11) meshing with the driving bevel gear (10).

3. A handheld rust removal and grinding machine according to claim 1, characterized in that: The grinding wheel shaft (9) is located outside the transmission box (6) and is fixedly provided with a positioning disk (12); the grinding wheel (13) is pressed against the positioning disk (12); and a fixing disk (14) is provided outside the grinding wheel (13) for fastening and disassembling the grinding wheel (13).

4. A handheld rust removal and grinding machine according to claim 1, characterized in that: The rear end of the motor (1) is provided with a rear handle (2), and one side of the extension tube (3) is provided with a front handle (4). The rear handle (2) and the front handle (4) are used for manual holding operation.

5. The handheld rust removal and grinding machine according to claim 1, characterized in that: The extension tube (3) is provided with a guard plate (5) on one side of the transmission box (6) to prevent iron filings from splashing.

6. The handheld rust removal and grinding machine according to claim 1, characterized in that: The transmission box (6) is provided with a sealed box cover (15) to prevent iron filings from entering the transmission box (6) and causing wear of the transmission device.

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