A fastening device with an overhead telescopic crosshead
A fastening device and crosshead technology, applied in the direction of variable volume pump components, pump components, liquid variable volume machinery, etc., can solve the problem of easy loosening of the piston rod, improve safety and reliability, and avoid loosening. Effect
Active Publication Date: 2020-06-26
蚌埠高科瑞力压缩机有限公司
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is: in order to solve the problems existing in the above-mentioned background technology, an improved fastening device with an overhead telescopic crosshead component is provided to solve the problem that the piston rod of the traditional compressor is easily damaged under the long-term working state. loose problem
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[0017] The present invention will now be described in further detail with reference to the drawings. These drawings are all simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.
[0018] figure 1 with figure 2 The shown one has an overhead telescopic crosshead component fastening device, including a crosshead body 1, a crosshead nut 2 and a piston rod 3 fixed inside the crosshead nut 2. The upper surface of the crosshead body 1 is located The outer periphery of the cross head nut 2 is provided with an annular internal threaded connection groove 4, the upper surface of the cross head body 1 is located on the outer periphery of the cross head nut 2 and an external support ring 5 is provided. The lower end of the outer support ring 5 has an integrated external threaded connection ring 6. The support ring 5 is screwed into the internal thread conne...
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The invention relates to the technical field of assembling parts of a piston type compressor, in particular to a fastening device provided with a top-arranged telescopic crosshead part. The fasteningdevice comprises a crosshead body, a crosshead nut and a piston rod fixed to the interior of the crosshead nut. According to the fastening device provided with the top-arranged telescopic crosshead part, by forming a step type storage tank provided with a right angle steel plate in the outer side of an external supporting ring, the position of the right angle steel plate in the storage tank is changed by screwing fixed bolts in connecting through holes in the right angle steel plate into inner thread fixing blind holes at different positions, so that a fastening steel plate at the top end of the right angle steel plate and the surface of the crosshead nut make contact, the crosshead and the piston rod are further locked accordingly to prevent the piston rod from being loosened, and safetyand reliability of continuous work of a compressor are effectively improved.
Description
Technical field [0001] The invention relates to the technical field of assembling parts of a piston compressor, in particular to a fastening device with an overhead telescopic crosshead component. Background technique [0002] In the connection between the connecting rod and the piston rod in a reciprocating compressor, a crosshead is often used to over-connect. The piston rod is connected to the connecting rod through the crosshead so that the piston rod will not be subjected to the side pressure caused by the connecting rod. In this way, the friction between the piston and the cylinder is minimal. In addition, the crosshead and piston rod can only move axially, which can make full use of the volume of the cylinder, and the method of controlling the lubricating oil is relatively simple, which increases the efficiency of the compressor. [0003] Although there are many ways to connect the piston rod and the crosshead in reciprocating compressors, most of the connection methods are...
Claims
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IPC IPC(8): F04B39/00F04B39/14
CPCF04B39/0005F04B39/0022F04B39/14
Inventor 丁兆国
Owner 蚌埠高科瑞力压缩机有限公司