Complete-equilibrium-type crankshaft transmission device and compressor thereof
A completely balanced and transmission technology, which is applied to transmissions, machines/engines, mechanical equipment, etc., can solve problems such as unbalanced inertia moments, accelerated compressor damage, and parts damage, etc., and achieves considerable market prospects. The effect of reducing the construction period and facilitating maintenance
Active Publication Date: 2014-04-16
SHENYANG YUANDA COMPRESSOR
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Problems solved by technology
During the design process, compressor designers often control the inertial mass so that the inertial mass on the left and right sides of each set of crankshaft linkages is the same, so that the inertial force of each set of crankshaft linkages can be balanced. However, in this In any case, no matter how you adjust the inertial masses on the left and right sides of the crankshaft linkage mechanism, the moment of inertia generated by it cannot be balanced
If the moment of inertia cannot be balanced, the compressor will run in an unstable state, causing vibration. In severe cases, it will lead to serious wear of the bearing bush, and even damage to parts, pipeline leakage, etc., especially for compressors with this arrangement. After the speed of the machine increases, the vibration will increase exponentially and become more severe, which will further accelerate the damage of various parts of the compressor
Method used
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[0047] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0048] Such as image 3 , 4As shown, a completely balanced crankshaft transmission device provided by the embodiment of the present invention includes at least one set of crankshaft linkage mechanisms, and each set of said crankshaft linkage mechanisms includes a crankshaft 1 and two cylinders that are slidably fitted in opposite directions. The axis 211 of the first piston 21 and the axis 221 of the second piston 22 in each set of the crankshaft-connecting rod mechanism are on the same straight line. Here, it can be seen that the figure 1 There is a significant difference in the conventional symmetrical balanced crankshaft transmission in the conventional symmetrical balanced crankshaft connecting rod mechanism, there is a distance between the axes of...
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The invention relates to a complete-equilibrium-type crankshaft transmission device which comprises at least one crankshaft connecting rod mechanism set. Each crankshaft connecting rod mechanism set comprises a crankshaft and two pistons which are matched with an air cylinder in a sliding mode and are opposite in direction. The axis of a first piston and the axis of a second piston in each crankshaft connecting rod mechanism set are on the same straight line. The invention further relates to a compressor of the complete-equilibrium-type crankshaft transmission device. According to the arrangement, inertia moment can be removed, so that a high-rotating-speed compressor set is small in size and light in weight, the rotating speed can reach 1800r / min, under high rotating speed, vibration is small, operation is stable, package design can be achieved, and the complete-equilibrium-type crankshaft transmission device and the compressor thereof can be widely used in the field of oil and gas fields.
Description
technical field [0001] The invention relates to the technical field of reciprocating compressors, in particular to a completely balanced crankshaft transmission and a compressor thereof. [0002] Background technique [0003] Traditional symmetrical balanced reciprocating piston compressors, such as D type, M type, etc., have a kinematic mechanism consisting of a crankshaft, connecting rod, and crosshead. There are two kinds of crankshafts: shared crank and non-shared crank. Whether it is a shared crank or a motion mechanism that does not share a crank, a general-purpose crankshaft linkage mechanism is used, such as figure 1 As shown, it includes at least one set of crankshaft linkages, each set of crankshaft linkages includes a crankshaft and two pistons that are slidingly engaged with the cylinder, and each set of crankshaft linkages is driven by a crank pin. Connecting rod assembly, a connecting rod assembly drives the piston to reciprocate through a crosshead componen...
Claims
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Login to View More IPC IPC(8): F16H21/18F04B39/00
CPCF04B27/02F04B39/0027
Inventor 张士永马静李宽白福庆张秋颖邓刚
Owner SHENYANG YUANDA COMPRESSOR