Novel groove trolley locking mechanism
A technology of groove table and locking block, which is applied in the field of metallurgy, can solve the problems of not tight lock, influence of vacuum groove sealing effect, difficult adjustment, etc.
Inactive Publication Date: 2015-04-22
CHINA NAT HEAVY MACHINERY RES INSTCO
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Problems solved by technology
Due to the inertial effect of the trolley when it is running, there is always a deviation of a few millimeters at each stop position, but once the device is fixed, it is difficult to adjust, so it often leads to the situation that the lock is not tight. Once the trolley moves , the sealing effect of the vacuum tank will be greatly affected
Method used
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Embodiment Construction
[0013] Such as figure 1 As shown, a new type of trolley locking mechanism is a completely axisymmetric structure, which includes two cylinder fixed supports 1, two locking cylinders 2, two ejector rods 3, two ejector rod supports 4 and Two locking blocks 5.
[0014] Because the locking device of this novel trolley is a complete axisymmetric structure, the structure on the left side is illustrated, and the structure on the right side is completely consistent.
[0015] Such as figure 2 with image 3 As shown, the cylinder fixed support 1 is fixed on the processing platform of the tank trolley, and the cylinder body end of the locking cylinder 2 is fixedly connected with the cylinder fixed support 1 .
[0016] The piston end of the locking cylinder 2 is fixedly connected with the ejector rod 3, and the ejector rod support 4 is fixed on the beam of the tank trolley processing platform, and the ejector rod 3 passes through the lock hole on the ejector rod support 4, and the loc...
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The invention relates to the technical field of metallurgy, aims at a locking technology of a vacuum groove trolley in an RH secondary refining system, and relates to a novel groove trolley locking mechanism. The nock groove trolley locking mechanism is characterized in that locking blocks are respectively welded and fixed on the left and right sides of a groove trolley body at symmetrical positions; a tapered hole is formed in the center of each locking block; the left and right sides of a groove trolley processing platform are respectively provided with a locking air cylinder; the cylinder body end of each locking air cylinder is fixed through an air cylinder fixed support, and a piston rod of each locking air cylinder is fixedly connected with an ejector rod; a tapered table head is arranged at the front end of each ejector rod; the tapered table head at the front end of each ejector rod is matched with the tapered hole in the center of each locking block; and each ejector rod penetrates through an ejector rod support. According to the novel groove trolley locking mechanism, the complete fixing of the groove trolley can be realized by utilizing the tapered table heads and the tapered holes which are matched, so that the groove trolley is parked at an optimal position to ensure the connection stability and sealing requirements of large vacuum systems.
Description
technical field [0001] The invention relates to the technical field of metallurgy, and aims at the locking technology of the vacuum tank trolley in the RH external refining system, and is a novel tank trolley locking mechanism. Background technique [0002] The vacuum tank is the key container for the vacuum cycle degassing of molten steel in the refining outside the vacuum furnace, and the tank trolley is an important tool for carrying the vacuum tank. Affected by the operation rules and layout patterns of the steel plant, the vacuum tank needs to move back and forth between several corresponding stations, and it needs to keep still for a long time during the vacuum smelting of the processing station, so as not to affect the sealing of the entire connection As a result, the vacuum smelting cannot be carried out normally. This just needs to be provided with a locking device, and the tank trolley is firmly fixed on the processing station during vacuum smelting. [0003] At ...
Claims
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IPC IPC(8): C21C7/10
Inventor 周友军任彤张明乔进锋张钰曹海玲马正锋
Owner CHINA NAT HEAVY MACHINERY RES INSTCO