A water filling device for a toggle-type high-pressure hydraulic test tube machine driven by a single oil cylinder
A toggle-type and oil cylinder technology, applied in the field of water-filling devices for toggle-type high-pressure hydraulic test tube machines, can solve the problems of high manufacturing and maintenance costs, low work efficiency, and bulkiness, and achieve low cost, easy maintenance, and structural simple effect
Active Publication Date: 2018-01-12
CHINA NAT HEAVY MACHINERY RES INSTCO
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Problems solved by technology
[0003] During the working process, the water-filling head in the water-filling device of the high-pressure hydraulic test tube machine must move back and forth for a certain distance each time, so that the pipe can enter the mold of the water-filling head; the huge axial force during the pressure test needs to be transmitted to the On the frame, the water filling device is extremely complicated and heavy, the work efficiency is low, and the manufacturing cost and maintenance cost are high
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[0013] The present invention is described in detail below in conjunction with accompanying drawing.
[0014] Such as figure 1 , image 3 As shown, a single oil cylinder-driven toggle type high-pressure hydraulic test tube machine water filling device includes a frame 4 installed on a bracket 10, and a cylinder support 1 is installed on the frame 4 through bolts 2, and the cylinder support 1 An oil cylinder 3 is installed on the top through a hinged form, and the oil cylinder 3 can swing around the hinge point; the end of the oil cylinder 3 is hinged to the top hole A of the toggle lever 5, the hole B in the middle of the toggle lever 5, one end of the limit rod 12 and the frame 4 are hinged. ; refer to figure 2 and Figure 4 , toggle lever 5 tail end holes C, the other end of the stop bar 12 and one end of the connecting rod 13 are hinged, the stop bar 12 is equipped with a limit plate 11, and the limit plate 11 is installed on the stop bar 12, so that the limit When the ...
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The invention discloses a toggle rod type water filling device used for a high-pressure hydraulic tube testing machine and driven by a single oil cylinder. An oil cylinder support is mounted on a rack through a bolt; an oil cylinder is mounted on the oil cylinder support in a hinged manner; one end of the oil cylinder is hinged with a top-end hole A in a toggle rod, and a hole B in the middle of the toggle rod, one end of a limiting rod and the rack are hinged; a tail-end hole C of the toggle rod, the other end of the limiting rod and one end of a connecting rod are hinged, and a limiting plate is mounted on the limiting rod; the other end of the connecting rod is hinged with a water filling head, a mold is mounted on the water filling head, the water filling head slides on guide tracks, and pull beams are mounted at the extending part of the rack. The water filling device is driven by the single oil cylinder, the water filling head reciprocates on the guide tracks through a toggle rod type link structure, huge axial force generated during pressure testing is transmitted to the rack and two side pull beams through the water filling head, the connecting rod and the limiting rod, and the water filling device can bear huger pressure testing axial force and has the advantages of high bearing capability, simple structure, high reliability, convenience in maintenance and low cost.
Description
technical field [0001] The invention belongs to the technical field of high-pressure water pressure test tube machine equipment, and in particular relates to a toggle-type high-pressure water pressure test tube machine water filling device driven by a single oil cylinder. Background technique [0002] In recent years, with the rapid development of domestic and foreign economies, the demand for energy has increased sharply, and international and domestic efforts to exploit oil and natural gas have been intensified. As an economical, safe and uninterrupted long-distance transportation tool for oil and gas, oil and gas pipelines have developed rapidly. Hydrostatic testing is an essential process in the production process of oil and gas pipelines. Pipelines that have not passed the hydrostatic test cannot be used in actual oil and gas transportation projects. Therefore, regardless of the length of the pipeline and the size of the caliber, the hydraulic pressure test must be car...
Claims
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IPC IPC(8): G01N3/02
CPCG01N3/02G01N2203/0048
Inventor 马海宽李培力刘慧超张建功
Owner CHINA NAT HEAVY MACHINERY RES INSTCO