Safety valve maintenance device

Abstract

The utility model relates to the technical field of safety valve maintenance, and discloses a safety valve maintenance device which comprises an adjusting structure and a polishing structure, the top of the adjusting structure is fixedly connected with the polishing structure, the adjusting structure comprises a workbench, and the outer wall of the workbench is fixedly connected with a servo motor. The output end of the servo motor is fixedly connected with a rotating rod, the safety valve element is placed on the rotating disc, the electric telescopic rod is started, the electric telescopic rod drives the clamping plate to move inwards, the clamping plate clamps and fixes the safety valve element, the servo motor drives the rotating rod to rotate by starting the servo motor, and the safety valve element is clamped and fixed. The rotating rotating rod drives the first bevel gear to rotate, the rotating first bevel gear drives the meshed second bevel gear to rotate, the rotating second bevel gear drives the shaft rod to rotate and drives the rotating disc at the same time, the rotating disc is matched with the rolling wheels at the bottom to complete adjustment of the grinding angle of the safety valve element, and grinding maintenance of the sealing face of the safety valve element is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of safety valve maintenance, in particular to a safety valve maintenance device. Background Art

[0002] Safety valves are special valves whose opening and closing parts are normally closed under the action of external forces. When the medium pressure in the equipment or pipeline exceeds the specified value, the medium is discharged to the outside of the system to prevent the medium pressure in the pipeline or equipment from exceeding the specified value. Safety valves are automatic valves, mainly used in boilers, pressure vessels and pipelines, to control the pressure not to exceed the specified value, and play an important protective role in personal safety and equipment operation. After use, the valve core of the safety valve is prone to wear, resulting in the risk of leakage. Therefore, after regular inspection of the safety valve, the valve core needs to be ground to make the valve core as smooth as before, and the inner wall of the valve body needs to be polished for maintenance to prevent leakage;

[0003] According to the "A Safety Valve Maintenance Device" disclosed in Chinese Patent Publication No. CN220217842U, a base plate is used as the structural basis, and a fixing rod is arranged on the base plate. The fixing rod structure can adapt to and correspond to the flange of the safety valve, and the fixing rod is fixedly connected to the flange through a fixing nut, so that the safety valve to be repaired is in a fixed state, and at the same time, an eccentric driving structure is used to move the driving rod along the sliding sleeve to a specific point, so that the grinding head is in full contact with the valve core, and then the driving motor is started to realize the grinding operation of the valve core. At the same time, in a further implementation structure, the position of the grinding head is adjusted, such as adjusting the length of the fixing rod, the length of the rotating shaft, etc., so that its extreme position does not contact the valve core, and a side grinding part is arranged on the side of the grinding head, which can grind the inner wall of the valve body and quickly grind the inside of the valve body. It is easy to use and greatly improves the maintenance efficiency.

[0004] However, the above device has the problem that the grinding angle of the safety valve core cannot be adjusted, and it is not convenient to grind the sealing surface of the safety valve core. Utility Model Content

[0005] The utility model aims to provide a safety valve maintenance device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a safety valve maintenance device, comprising an adjustment structure and a grinding structure, wherein the top of the adjustment structure is fixedly connected with the grinding structure;

[0007] The adjustment structure includes a workbench, a servo motor is fixedly connected to the outer wall of the workbench, a rotating rod is fixedly connected to the output end of the servo motor, a first bevel gear is fixedly connected to the end of the rotating rod away from the servo motor, a second bevel gear is meshed on the outer surface of the first bevel gear, a shaft is fixedly connected to the outer wall of the second bevel gear, and a rotating disk is fixedly connected to the top of the shaft.

[0008] Preferably, two ends of the top of the rotating disk are fixedly connected with support plates, an outer wall of the support plate is fixedly connected with an electric telescopic rod, and an output end of the electric telescopic rod is fixedly connected with a clamping plate.

[0009] Preferably, the rotating rod and the shaft rod are both rotatably connected to the workbench via bearings, a support block is provided on the outer wall of the rotating rod, and the outer wall of the support block is fixedly connected to the bottom of the workbench.

[0010] Preferably, one end of the shaft rod away from the second bevel gear passes through the workbench and extends to the top of the workbench.

[0011] Preferably, a sliding groove is provided on the upper surface of the workbench, a roller is provided inside the sliding groove, and the top of the roller is fixedly connected to the bottom of the rotating disk.

[0012] Preferably, the grinding structure includes a support frame, the outer wall of the support frame is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a screw, the outer surface of the screw is threadedly connected to a movable seat, the bottom of the movable seat is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a telescopic rod, and the bottom of the telescopic rod is fixedly connected to a grinding device.

[0013] Preferably, a nozzle is disposed on the outer wall of the polishing device, a transport hose is disposed at the bottom of the nozzle, and a water pump is disposed at one end of the transport hose away from the nozzle.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model places the safety valve core on the rotating disk, starts the electric telescopic rod, and drives the clamping plate to move inward through the electric telescopic rod, so that the clamping plate clamps and fixes the safety valve core, and starts the servo motor to drive the rotating rod to rotate, the rotating rotating rod drives the first bevel gear to rotate, the rotating first bevel gear drives the meshing second bevel gear to rotate, the rotating second bevel gear drives the shaft rod to rotate, and also drives the rotating disk. The rotating rotating disk cooperates with the roller at the bottom to complete the adjustment of the grinding angle of the safety valve core, which is convenient for grinding and maintenance of the sealing surface of the safety valve core.

[0016] Second, the utility model starts the driving motor, so that the rotating screw drives the moving seat to move, and also drives the grinding device to move horizontally, and drives the telescopic rod to move up and down through the cylinder, and also drives the grinding device to move downward to grind the safety valve core, which is convenient for adjusting the grinding angle and improving the flexibility of the grinding equipment. By starting the water pump, clean water is moved to the nozzle through the transport hose, so that when the grinding device is grinding and repairing the safety valve core, the nozzle sprays the safety valve core to cool it down, and at the same time reduces the splashing of grinding waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 A schematic diagram of the structure at point A;

[0019] Figure 3 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0020] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0021] Among them: 1. Adjustment structure; 101. Workbench; 102. Servo motor; 103. Rotating rod; 104. First bevel gear; 105. Second bevel gear; 106. Shaft; 107. Rotating disk; 108. Support plate; 109. Electric telescopic rod; 110. Clamp; 111. Roller; 2. Grinding structure; 201. Support frame; 202. Drive motor; 203. Screw; 204. Moving seat; 205. Cylinder; 206. Telescopic rod; 207. Grinding device; 208. Spray head; 209. Transport hose; 210. Water pump. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides the following technical solutions:

[0024] Embodiment 1

[0025] See also Figure 1-4 , a safety valve maintenance device, comprising an adjustment structure 1 and a grinding structure 2, wherein the top of the adjustment structure 1 is fixedly connected with the grinding structure 2;

[0026] The adjustment structure 1 includes a workbench 101, a servo motor 102 is fixedly connected to the outer wall of the workbench 101, a rotating rod 103 is fixedly connected to the output end of the servo motor 102, a first bevel gear 104 is fixedly connected to the end of the rotating rod 103 away from the servo motor 102, a second bevel gear 105 is meshed on the outer surface of the first bevel gear 104, a shaft 106 is fixedly connected to the outer wall of the second bevel gear 105, and a rotating disk 107 is fixedly connected to the top of the shaft 106.

[0027] The two ends of the top of the rotating disk 107 are fixedly connected with support plates 108 , the outer wall of the support plate 108 is fixedly connected with an electric telescopic rod 109 , and the output end of the electric telescopic rod 109 is fixedly connected with a clamping plate 110 .

[0028] The rotating rod 103 and the shaft rod 106 are both rotatably connected to the workbench 101 via bearings. A support block is disposed on the outer wall of the rotating rod 103 , and the outer wall of the support block is fixedly connected to the bottom of the workbench 101 .

[0029] One end of the shaft 106 away from the second bevel gear 105 passes through the workbench 101 and extends to the top of the workbench 101 .

[0030] A sliding groove is provided on the upper surface of the workbench 101 , a roller 111 is provided inside the sliding groove, and the top of the roller 111 is fixedly connected to the bottom of the rotating disk 107 .

[0031] Through the above technical scheme, by placing the safety valve core on the rotating disk 107, starting the electric telescopic rod 109, and driving the clamping plate 110 to move inward through the electric telescopic rod 109, the clamping plate 110 clamps and fixes the safety valve core, and by starting the servo motor 102, the servo motor 102 drives the rotating rod 103 to rotate, and the rotating rotating rod 103 drives the first bevel gear 104 to rotate, and the rotating first bevel gear 104 drives the meshing second bevel gear 105 to rotate, and the rotating second bevel gear 105 drives the shaft rod 106 to rotate, and also drives the rotating disk 107. The rotating rotating disk 107 cooperates with the roller 111 at the bottom to complete the adjustment of the grinding angle of the safety valve core, which is convenient for the grinding and maintenance of the sealing surface of the safety valve core.

[0032] Embodiment 2

[0033] See also Figure 1-4 , and on the basis of the first embodiment, further obtained: a safety valve maintenance device, comprising an adjustment structure 1 and a grinding structure 2, wherein the top of the adjustment structure 1 is fixedly connected with the grinding structure 2;

[0034] The adjustment structure 1 includes a workbench 101, a servo motor 102 is fixedly connected to the outer wall of the workbench 101, a rotating rod 103 is fixedly connected to the output end of the servo motor 102, a first bevel gear 104 is fixedly connected to the end of the rotating rod 103 away from the servo motor 102, a second bevel gear 105 is meshed on the outer surface of the first bevel gear 104, a shaft 106 is fixedly connected to the outer wall of the second bevel gear 105, and a rotating disk 107 is fixedly connected to the top of the shaft 106.

[0035] The grinding structure 2 includes a support frame 201, the outer wall of the support frame 201 is fixedly connected to a driving motor 202, the output end of the driving motor 202 is fixedly connected to a screw 203, the outer surface of the screw 203 is threadedly connected to a moving seat 204, the bottom of the moving seat 204 is fixedly connected to a cylinder 205, the output end of the cylinder 205 is fixedly connected to a telescopic rod 206, and the bottom of the telescopic rod 206 is fixedly connected to a grinding device 207.

[0036] A nozzle 208 is disposed on the outer wall of the polishing device 207 , a transport hose 209 is disposed at the bottom of the nozzle 208 , and a water pump 210 is disposed at one end of the transport hose 209 away from the nozzle 208 .

[0037] Through the above technical solution, the driving motor 202 is started, so that the rotating screw 203 drives the moving seat 204 to move, and also drives the grinding device 207 to move horizontally. The telescopic rod 206 is driven up and down by the cylinder 205, and also drives the grinding device 207 to move downward to grind the safety valve core, which is convenient for adjusting the grinding angle and improving the flexibility of the grinding equipment. By starting the water pump 210, clean water is moved to the nozzle 208 through the transport hose 209, so that when the grinding device 207 is grinding and repairing the safety valve core, the nozzle 208 sprays the safety valve core to cool it down, and at the same time reduces the splashing of grinding waste.

[0038] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety valve maintenance device, comprising an adjustment structure (1) and a grinding structure (2), characterized in that: A grinding structure (2) is fixedly connected to the top of the adjustment structure (1); The adjustment structure (1) comprises a workbench (101), the outer wall of the workbench (101) is fixedly connected to a servo motor (102), the output end of the servo motor (102) is fixedly connected to a rotating rod (103), one end of the rotating rod (103) away from the servo motor (102) is fixedly connected to a first bevel gear (104), the outer surface of the first bevel gear (104) is meshed with a second bevel gear (105), the outer wall of the second bevel gear (105) is fixedly connected to a shaft (106), and the top of the shaft (106) is fixedly connected to a rotating disk (107).

2. A safety valve maintenance device according to claim 1, characterized in that: The two ends of the top of the rotating disk (107) are fixedly connected to a support plate (108), the outer wall of the support plate (108) is fixedly connected to an electric telescopic rod (109), and the output end of the electric telescopic rod (109) is fixedly connected to a clamping plate (110).

3. A safety valve maintenance device according to claim 1, characterized in that: The rotating rod (103) and the shaft rod (106) are both rotatably connected to the workbench (101) via bearings; a support block is provided on the outer wall of the rotating rod (103); and the outer wall of the support block is fixedly connected to the bottom of the workbench (101).

4. A safety valve maintenance device according to claim 1, characterized in that: One end of the shaft rod (106) away from the second bevel gear (105) passes through the workbench (101) and extends to the top of the workbench (101).

5. A safety valve maintenance device according to claim 1, characterized in that: A sliding groove is provided on the upper surface of the workbench (101), a roller (111) is arranged inside the sliding groove, and the top of the roller (111) is fixedly connected to the bottom of the rotating disk (107).

6. A safety valve maintenance device according to claim 1, characterized in that: The grinding structure (2) comprises a support frame (201), the outer wall of the support frame (201) is fixedly connected to a driving motor (202), the output end of the driving motor (202) is fixedly connected to a screw rod (203), the outer surface of the screw rod (203) is threadedly connected to a moving seat (204), the bottom of the moving seat (204) is fixedly connected to a cylinder (205), the output end of the cylinder (205) is fixedly connected to a telescopic rod (206), and the bottom of the telescopic rod (206) is fixedly connected to a grinding device (207).

7. A safety valve maintenance device according to claim 6, characterized in that: The outer wall of the polishing device (207) is provided with a nozzle (208), the bottom of the nozzle (208) is provided with a transport hose (209), and the end of the transport hose (209) away from the nozzle (208) is provided with a water pump (210).

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