Mountain Bike Headlight Jiaxing Love Riding Electronic Technology Co.Ltd. , https://www.loveriding.cn
Keywords: anti-skid; valves; wrenches; tools F-type wrenches are widely used in oilfield switch valves. The tool has features such as simple design, low manufacturing cost, easy operation and reusability, but there are also some problems, especially oilfield development. In the middle and late period, the use of various chemical reagents, the pressure of the valve switch is relatively large, the majority of female workers and even some thin and thin male workers switch valve is difficult, especially in the case of stress in the F-type wrench is also prone to appear Slippage phenomenon, easy to occur in the high-pressure valve switching process safety incidents. The purpose of this project is to develop a tool that replaces the currently used F-type wrench, eliminates potential safety hazards in the valve switching process, and solves the technical problems that currently used tools are prone to slippage.
1 Solution Assume that when a traditional F-type wrench is applied to the valve, only one force point acts on the valve wristband. The current valve bracelets are mostly cast iron castings. In the cold season, due to uneven force, the valve wristbands are easily damaged. In order to solve this problem, the two grippers before and after the design of the tool can act on the valve bracelet in both directions, so that the force of the wristband during the valve switching process is more even. For some high-pressure valves and the corrosion and rust of the valve is not easy to switch phenomenon, the tool design telescopic handle, the usual handle is in a shortened state, easy to store and carry; when the valve is opened, the handle can be pulled up, increase the arm , Increase the torque, reduce the labor intensity, reduce the burden on employees.
A non-slip valve switch tool was designed for the above assumptions. The following components of the tool were rented:
1 handle extension tube; 2 handle bars; 3 cross beams; 4 rear claws;
Its characteristics are:
1 handle extension tube is connected with 2 handle rods through threads;
2 The handle bar is connected with 3 span beams through threads;
3 The middle of the cross-beam is semi-circular, the square bar on both sides has a guide slot, and the square bar on one side has internal threads;
4 The rear claws are fastened by bolts through the rear guide slots on the 3-span beam;
5 The front claws are fastened by bolts through the front guide slots on the 3 span beams;
The 1 handle extension tube is a hollow tube, the head has an internal thread and an external thread connection of 2 handle rods;
The 2 handle bar is a smooth round bar with external threads at the tail, and is threadedly connected to the internal threads of one end of the 3 span beams;
The 4 rear pawls are composed of a pawl seat, two pawl rods, a connection screw, a flange nut and a preparation mother. The pawl seat has a female screw hole on both sides of the bottom of the rectangle and connects two claw rods respectively. The top of the pawl seat has a The square boss cooperates with the guide groove of the 3-span beam to move along the track, and the boss is screwed on the 3-span beam through the connecting screw. The claw head has external threads.
The 5 front pawls are composed of a pawl seat, two pawl rods, a connection screw, a flange nut and a preparation mother. The pawl seat is an inner bottom of a rectangular bottom, and two claw rods are respectively connected at the two ends of the rectangle. The top of the claw seat has a The square boss cooperates with the guide groove of the 3-span beam to move along the track, and the boss is screwed on the 3-span beam through the connecting screw. The claw head has external threads.
Legend: 1 handle extension tube; 2 handle bars; 3 cross beams; 4 rear claws; 5 front claws 2 Operation method The front and rear claws of the tool are respectively on both sides of the valve hand ring, so that the valve hand ring is located in the tool claw, if the valve is to be opened Rotate the tool counterclockwise. If it is necessary to close the valve, rotate the tool clockwise. In the case of a valve with a closed valve, a high pressure valve, or a valve that cannot be easily opened or closed by rust, the extension rod at the handle can be pulled outward. Pull the handle extension rod to increase the force arm and increase the torque so that the valve can be opened and closed easily.
3 Effect test The beneficial effect of this tool is that the force point and the contact area between the front and rear claws of the wrench are tightened on the hand wheel of the valve to increase the force point and the contact area between the hand wheel of the valve and effectively prevent the tool from slipping off and the resistance is large. It is possible to pull the handle extension rod to increase the arm, thereby improving the safety of operation, reducing the labor intensity, and improving the working efficiency.
From the point of view of on-site operation, it takes about 2 minutes to use a traditional F-type wrench to open and close the valve. For a high-pressure valve, an adult male worker weighing about 70 kilograms takes about 5 minutes, and the average female worker can't successfully complete the use of an F-type wrench. The valve's switching operation; using this design tool, the time required to open and close the valve is approximately the same as the time required to use the F-type wrench. For high-pressure valves, the tool designed by this article is operated by ordinary female workers. The on-off valve takes only an average of 3 minutes. Can complete the operation.
This design tool has the same effect as the F-type wrench in the operation of the ordinary valve, obviously due to the traditional F-type wrench on the switching operation of the high-pressure valve. From both theoretical research and field operations, this tool has the significance of promotion.
Non-slip valve switch tool
Abstract: At present, due to the presence of high-pressure or corrosive liquids in the field, valves used in oilfields are inflexible because of the presence of high-pressure or corrosive liquids, or require large torques due to stress. The improper use of tools can lead to safety accidents. At present, the widely used valve switch tool is the F-type wrench. The contact area between the F-wrench and the valve is small. If the stress is large, the F-type wrench is prone to slippage and there is a potential safety hazard. The use of F-type wrenches also has the problem of high labor intensity and low work efficiency. To solve this potential safety problem and improve work efficiency, we have developed a new type of non-slip valve switch wrench.