Adjustable diaphragm compressor cylinder head supporting device

Abstract

The utility model discloses an adjustable diaphragm compressor cylinder head supporting device, which relates to the technical field of diaphragm compressors and comprises channel steel, upper base plates, puller bolts and supporting pads, the upper base plates are symmetrically arranged at the lower ends of the two sides of the channel steel and detachably connected with a bottom pry of the diaphragm compressor, tensioning welding blocks are symmetrically arranged on the two sides of the top of the channel steel, and the puller bolts are detachably connected with the supporting pads. Nuts are symmetrically arranged on the inner side and the outer side of the tensioning welding block, puller bolts are connected into the nuts on the two sides of the tensioning welding block in a threaded mode, the inner ends of the puller bolts are rotationally connected to a supporting pad in sliding connection with the channel steel, and limiting baffles are symmetrically arranged on the positions, on the two sides of the supporting pad, of the channel steel. The supporting pad can effectively absorb vibration of the cylinder head, and the stability and reliability of the diaphragm compressor are improved; the supporting force of the supporting pad is adjusted through the puller bolt, the supporting pad adapts to the requirements under different working conditions, the upper side of the supporting pad is a section of curvature surface, it is guaranteed that the surface is completely attached to the cylinder head, and the cylinder head of the diaphragm compressor is borne.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diaphragm compressor, concretely relates to an adjustable diaphragm compressor cylinder head supporting device. BACKGROUND

[0002] The diaphragm compressor is a special structure volumetric compressor, has the advantages such as good sealing, large compression ratio, compressed gas is not polluted, is widely used in petroleum, chemical industry, electronics, food and other industries.From the whole compressor main body from the outside, it is divided into cylinder head, crankcase body, middle body and cylinder head and multiple parts, the cylinder head is connected with the body through the middle body, forms cantilever beam structure, crank connecting rod piston mechanism exists in the crankcase body and middle body, the cylinder head due to its metal material and larger volume, generally has greater weight, in the long-term operation of equipment, under the action of gravity and periodic vibration, the cylinder head will generate greater moment to the middle body and the connecting part of middle body, thereby damaging the middle body and its connecting part, and the vibration of cylinder head can also cause the instability of airflow pulsation, so the supporting structure of cylinder head is crucial to the performance and reliability of compressor. SUMMARY

[0003] The utility model discloses a kind of adjustable diaphragm compressor cylinder head supporting devices, to overcome the above-mentioned defects in prior art.

[0004] An adjustable diaphragm compressor cylinder head supporting device, comprising channel steel, upper backing plate, jacking bolt and support pad, the lower end of the channel steel two sides is symmetrically provided with upper backing plate, the upper backing plate is detachably connected with the bottom pry of diaphragm compressor, the top of the channel steel two sides is symmetrically provided with tensioning weld block, the inner and outer sides of the tensioning weld block are symmetrically provided with nut, the jacking bolt is screw-connected in the nut of tensioning weld block two sides, the inner end of the jacking bolt is rotatably connected on the support pad slidably connected with channel steel, the channel steel is symmetrically provided with limit baffle on the two sides of support pad.

[0005] Preferably, the channel steel is a "N" type structure and its opening is set downward.

[0006] Preferably, a lower backing plate is arranged between the upper backing plate and the bottom pry of the diaphragm compressor, and the lower backing plate is welded to the bottom pry of the diaphragm compressor.

[0007] Preferably, the upper backing plate is connected with the lower backing plate and the bottom pry of the diaphragm compressor by fastening bolts.

[0008] Preferably, the support pad is made of high-performance thermoplastic special engineering plastic, and an arc structure matched with the cylinder head of the diaphragm compressor is arranged on the upper side of the support pad.

[0009] The utility model discloses the beneficial effects reached are as follows:

[0010] The supporting device of the diaphragm compressor cylinder head of the present application is simple to install and convenient to disassemble, the supporting pad uses elastic supporting pieces to effectively absorb the vibration of the cylinder head, and the stability and reliability of the diaphragm compressor are improved; the supporting force of the supporting pad is adjusted by the jacking bolt, the requirements under different working conditions are met, and the supporting pad is a component with a curved surface on the upper side, the curvature radius of which is consistent with the radius of the cylinder head, the surface is completely attached to the cylinder head, and the cylinder head of the diaphragm compressor is supported. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a structure schematic view of the present application connected to the bottom pry.

[0012] Fig. 2 It is a front view of the present application.

[0013] Fig. 3 It is a structure schematic view of the side of the present application.

[0014] In the figure, 1, upper pad plate; 2, lower pad plate; 3, fastening bolt; 4, channel steel; 5, jacking bolt; 6, nut; 7, tensioning welding block; 8, supporting pad; 9, limiting baffle. DETAILED DESCRIPTION

[0015] The specific embodiment of the present application is further explained in detail by comparing the drawings and describing the embodiments, to help the skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical scheme of the present application.

[0016] As Figs. 1-3 shown, the present application provides a kind of adjustable diaphragm compressor cylinder head supporting device, including channel steel 4, upper pad plate 1, jacking bolt 5 and supporting pad 8, the channel steel 4 is "N" type structure and its opening is set to downward, the lower end of the both sides of the channel steel 4 is symmetrically equipped with upper pad plate 1, the upper pad plate 1 is detachably connected with the bottom pry of diaphragm compressor, the both sides of the top of the channel steel 4 are symmetrically equipped with tensioning welding block 7, the inside and outside of the tensioning welding block 7 are symmetrically equipped with nut 6, the jacking bolt 5 is screw-connected in the nut 6 of the both sides of tensioning welding block 7, the inner end of the jacking bolt 5 is rotatably connected on the supporting pad 8 of sliding connection with channel steel 4, the material of the supporting pad 8 is high-performance thermoplastic special engineering plastics and its upper side is equipped with the arc structure matched with the cylinder head of diaphragm compressor, better support the cylinder head of diaphragm compressor, the channel steel 4 is symmetrically equipped with limiting baffle 9 on the both sides of supporting pad 8.

[0017] In addition, the upper pad plate 1 is equipped with lower pad plate 2 between the bottom pry of diaphragm compressor, the lower pad plate 2 is welded on the bottom pry of diaphragm compressor, the upper pad plate 1 is connected with lower pad plate 2, the bottom pry of diaphragm compressor by fastening bolt 3, it is convenient to disassemble and install supporting device from the bottom pry.

[0018] DETAILED DESCRIPTION AND PRINCIPLES

[0019] In use, the support pad 8 is moved along the center line of the channel steel 4 to the center line of the cylinder head of the diaphragm compressor by screwing the jacking bolt 5 with the tool until the curved surface on the upper side of the support pad 8 completely fits the outer circle of the cylinder head of the diaphragm compressor, and the support pad 8 on the opposite side is fitted with the outer circle of the cylinder head of the diaphragm compressor by repeating the operation, that is, the installation of the support device is completed.

[0020] In summary, the support device of the present application is simple to install and convenient to disassemble, the support pad 8 adopts an elastic support member, which can effectively absorb the vibration of the cylinder head, improve the stability and reliability of the diaphragm compressor, the support pad 8 adjusts the supporting force through the jacking bolt 5 to adapt to the requirements under different working conditions, the support pad 8 is a component with a curved surface on the upper side, the radius of curvature of which is consistent with the radius of the cylinder head, which ensures that the surface is completely fitted with the cylinder head and bears the cylinder head of the diaphragm compressor.

[0021] The above-mentioned embodiments of the present application do not constitute a limitation on the protection scope of the present application. Any modification, equivalent replacement and improvement made within the spirit and principles of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. An adjustable diaphragm compressor head support apparatus, characterized by: The utility model relates to a kind of diaphragm compressor support structure, including channel steel (4), upper backing plate (1), top bolt (5) and support pad (8), the lower end of the channel steel (4) two sides is symmetrically provided with upper backing plate (1), the upper backing plate (1) is detachably connected with the bottom pry of diaphragm compressor, the top of the channel steel (4) two sides is symmetrically provided with tensioning weld block (7), the inside and outside of the tensioning weld block (7) two sides is symmetrically provided with nut (6), the top bolt (5) is screwed in the nut (6) of tensioning weld block (7) two sides, the inner end of the top bolt (5) is rotatably connected on support pad (8) with sliding connection with channel steel (4), the channel steel (4) is symmetrically provided with limit baffle (9) on the two sides of support pad (8).

2. An adjustable diaphragm compressor head support apparatus as claimed in claim 1, wherein: The channel steel (4) is a "N" type structure, and the opening thereof is arranged downward.

3. An adjustable diaphragm compressor head support apparatus as described in claim 1, wherein: A lower backing plate (2) is arranged between the upper backing plate (1) and the bottom pry of the diaphragm compressor, and the lower backing plate (2) is welded to the bottom pry of the diaphragm compressor.

4. An adjustable diaphragm compressor cylinder head support apparatus as claimed in claim 3, characterized in that: The upper backing plate (1) is connected with the lower backing plate (2) and the bottom pry of the diaphragm compressor by means of fastening bolts (3).

5. An adjustable diaphragm compressor cylinder head support apparatus as described in claim 1 wherein: The support pad (8) is made of high-performance thermoplastic special engineering plastic, and the upper side thereof is provided with an arc structure matched with the cylinder head of the diaphragm compressor.

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