Grinding device for gate of gate valve

Abstract

The utility model provides a gate grinding device for a gate valve, which belongs to the technical field of valve grinding and repairing and comprises a motor, a grinding disc and a base, the motor and the grinding disc are connected through a transmission device, the transmission device is arranged in a grinding arm, the base is upwards and fixedly provided with a supporting rod, the supporting rod is fixedly provided with a fixing sleeve, an adjusting screw is arranged in the fixing sleeve, and the adjusting screw is connected with the grinding disc. An adjusting screw is arranged on the base, an adjusting nut is in threaded connection with the adjusting screw, a fixing sleeve supports the adjusting nut and the adjusting screw, a first C-shaped clamp is fixedly arranged at the bottom of the adjusting screw, a second C-shaped clamp is further hinged to the base, and the first C-shaped clamp and the second C-shaped clamp are detachably connected with the grinding arm. According to the wedge disc grinding device, the use range of the wedge disc grinding device is widened by arranging the first C-shaped clamp with the adjustable height, and two-point clamping of the grinding arm is achieved by arranging the second C-shaped clamp, so that equipment is more stable in the grinding process.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve repair, in particular to a gate grinding device for a gate valve. Background Art

[0002] The sealing of valves is very important in various industrial pipeline fields, and plays the role of cutting off and connecting the medium. When the valve sealing surface is corroded by the medium, the valve performance decreases, and the valve is generally replaced. However, for valves with relatively high value, the repair welding and grinding method can be used to repair the old and reuse the waste, which can reduce enterprise costs and reduce resource waste.

[0003] Existing valve grinding equipment, such as CN201109064Y multifunctional valve grinding machine, CN200970710Y portable valve grinding machine, and CN2796942Y valve grinding machine, all use a motor to drive the grinding disc to rotate and grind the gate of the gate valve, and the corresponding transmission device is set in a grinding arm. In terms of angle adjustment, most of the existing grinding equipment is equipped with an adjustment bracket in the middle of the grinding arm, and the grinding arm is connected to the adjustment bracket by a hinged manner to adjust the angle. However, it is found in actual use that the above equipment is suitable for gates with a diameter of less than 200mm. For gates with a diameter greater than 200mm, the height of the adjustment bracket cannot be adjusted when grinding with the above equipment, and the applicable gate specifications are limited; in addition, since the adjustment bracket is hinged at one point with the grinding arm, shaking will occur when grinding large-sized gates, and the grinding process is unstable. Utility Model Content

[0004] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a gate valve gate grinding device. By setting a first C-type clamp with adjustable height, the use scope of the gate grinding device is broadened. By setting a second C-type clamp, two-point clamping of the grinding arm is achieved, making the grinding process equipment more stable.

[0005] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0006] The gate valve gate grinding device includes a motor and a grinding disc connected by a transmission device, the transmission device is arranged in a grinding arm, and also includes a base, a support rod is fixedly arranged upward on the base, a fixing sleeve is fixedly arranged on the support rod, an adjusting screw is arranged in the fixing sleeve, an adjusting nut is threadedly connected to the adjusting screw, the fixing sleeve supports the adjusting nut and the adjusting screw, a first C-type clamp is fixedly arranged at the bottom of the adjusting screw, and a second C-type clamp is hinged on the base, and the first C-type clamp and the second C-type clamp are connected to the grinding arm for loading and unloading.

[0007] Furthermore, a support rod is welded vertically upwards in the middle of the base.

[0008] Furthermore, a support is fixedly provided on one end of the base close to the motor, and a second C-shaped clip is hinged on the support.

[0009] Furthermore, the fixing sleeve is divided into two sections, an upper section and a lower section; the adjusting nut is arranged between the upper section and the lower section of the fixing sleeve; and the outer diameter of the adjusting nut is larger than the outer diameter of the fixing sleeve.

[0010] Furthermore, the portion of the adjusting screw extending out of the fixing sleeve below is welded to the first C-shaped clip.

[0011] The beneficial effects of the utility model are as follows: the gate plate grinding device of the gate valve provided by the utility model fixes the first C-type clamp with the adjustment screw, and adjusts the height of the adjustment screw with the adjustment nut, thereby realizing the height adjustment of the first C-type clamp, so that the gate plate grinding device of the utility model is suitable for grinding gate plates and grinding discs of different models. The utility model adopts the first C-type clamp and the second C-type clamp to clamp the grinding arm at two points, so that the grinding process equipment is more stable. The grinding arm and the C-type clamp of the utility model are detachable, which is convenient for carrying and storage. The utility model has the advantages of simple structure, light weight, convenient installation and disassembly, simple manufacturing, reliability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the gate grinding device of the gate valve of the utility model;

[0013] Figure 2 It is a schematic diagram of the connection between the first C-type clamp and the adjusting screw.

[0014] Components in the figure: 1 is a base, 2 is a support rod, 3 is a fixing sleeve, 4 is an adjusting screw, 5 is an adjusting nut, 6 is a first C-type clamp, 7 is a grinding arm, 8 is a grinding disc, 9 is a motor, 10 is a support, and 11 is a second C-type clamp. DETAILED DESCRIPTION

[0015] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0016] like Figure 1 As shown, the utility model provides a gate valve gate grinding device, including a motor 9 and a grinding disc 8 connected by a transmission device, and the motor 9 drives the grinding disc 8 to rotate through the transmission device to grind the gate of the gate valve. The motor 9 can be a hand drill, and the rotating device structure is a prior art, which will not be described here. The transmission device is arranged in the grinding arm 7.

[0017] The device also includes a base 1, on which a support rod 2 is fixedly arranged upward, specifically, the support rod 2 is welded vertically upward in the middle of the base 1. A fixing sleeve 3 is fixedly arranged on the support rod 2, specifically, the fixing sleeve 3 is welded on the upper side of the support rod 2. Figure 2 As shown, the fixing sleeve 3 is provided with an adjusting screw 4, and the adjusting screw 4 is threadedly connected with an adjusting nut 5, and the fixing sleeve 3 supports the adjusting nut 5 and the adjusting screw 4. A first C-type clamp 6 is fixedly provided at the bottom of the adjusting screw 4. Specifically, the part of the adjusting screw 4 extending out of the fixing sleeve 3 below is welded and connected to the first C-type clamp 6. The adjusting screw 4 can drive the first C-type clamp 6 to rotate 300° along the circumference of the adjusting screw 4. Specifically, the fixing sleeve 3 is divided into two sections, the upper and lower sections, and the adjusting nut 5 is arranged between the upper and lower sections of the fixing sleeve 3 and is movable. The outer diameter of the adjusting nut 5 is larger than the outer diameter of the fixing sleeve 3. By adjusting the adjusting nut 5, the height of the adjusting screw 4 can be adjusted, and then the height of the first C-type clamp 6 can be adjusted.

[0018] The base 1 is also hinged with a second C-clip 11, and the first C-clip 6 and the second C-clip 11 are connected to the grinding arm 7 for assembly and disassembly. Specifically, a support 10 is fixedly provided at one end of the base 1 close to the motor 9, and the second C-clip 11 is hinged on the support 10. Specifically, the second C-clip 11 is hinged to the support 10 through a pin. The second C-clip 11 can be rotated 170° with the pin as the center of the circle. The grinding arm 7 and the C-clip of the utility model are detachable, which is convenient for carrying and storage.

[0019] When in use, the height of the adjusting screw 4 is adjusted by adjusting the adjusting nut 5, and then the height of the first C-type clamp 6 is adjusted. When the height is suitable, the first C-type clamp 6 clamps the middle of the grinding arm 7, and then the second C-type clamp 11 clamps the rear end of the grinding arm 7. In this way, the grinding arm 7 is positioned at two points, which can keep the device stable during the grinding process and not easy to shake. The adjusting screw 4 is driven to move up and down in the fixing sleeve 3 by adjusting the adjusting nut 5, so as to achieve the purpose of tightening and loosening the grinding arm 7 and the grinding disc 8. After use, the grinding arm 7 and the C-type clamp are detachable. The first C-type clamp 6 is rotated circumferentially along the adjusting screw 4 to disengage the grinding arm 7, and the second C-type clamp 11 is rotated along the pin to disengage the grinding arm 7. The grinding arm 7 is removed for easy transportation and storage.

[0020] Although the embodiments of the present invention have been shown and described above, it is understandable that the above embodiments are illustrative and cannot be construed as limitations on the present invention. Any changes, modifications, substitutions and variations of the above embodiments by a person skilled in the art are all within the scope of the present invention.

Claims

1. A gate valve gate grinding device, comprising a motor (9) and a grinding disc (8) connected via a transmission device, wherein the transmission device is arranged in a grinding arm (7), and characterized in that: The invention also comprises a base (1), a support rod (2) being fixedly arranged upward on the base (1), a fixing sleeve (3) being fixedly arranged on the support rod (2), an adjusting screw (4) being arranged inside the fixing sleeve (3), an adjusting nut (5) being threadedly connected to the adjusting screw (4), the fixing sleeve (3) supporting the adjusting nut (5) and the adjusting screw (4), a first C-shaped clamp (6) being fixedly arranged at the bottom of the adjusting screw (4), the base (1) being further hingedly connected with a second C-shaped clamp (11), the first C-shaped clamp (6) and the second C-shaped clamp (11) being detachably connected to the grinding arm (7).

2. The gate valve gate grinding device according to claim 1, characterized in that: A support rod (2) is welded vertically upwards in the middle of the base (1).

3. The gate valve gate grinding device according to claim 1, characterized in that: A support (10) is fixedly provided on one end of the base (1) close to the motor (9), and a second C-shaped clamp (11) is hingedly connected to the support (10).

4. The gate valve gate grinding device according to claim 1, characterized in that: The fixing sleeve (3) is divided into two sections, an upper section and a lower section; the adjusting nut (5) is arranged between the upper section and the lower section of the fixing sleeve (3); and the outer diameter of the adjusting nut (5) is greater than the outer diameter of the fixing sleeve (3).

5. The gate valve gate grinding device according to claim 1, characterized in that: The portion of the adjusting screw (4) extending out of the fixing sleeve (3) below is welded to the first C-shaped clip (6).

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