Supporting device of diaphragm compressor
By designing the support device, the cylinder head is stabilized with components such as fixed flange and nylon support block, which solves the problem of cylinder head breakage and improves the operating stability and safety of the equipment.
Patent Information
- Application Number
- CN202422548671.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The cylinder head of the existing diaphragm compressor lacks support points, which causes the cylinder head to easily break under the influence of vibration in the up and down direction, poses safety risks, especially in the production of hydrogen energy, which may cause serious accidents.
A support device is designed, including a fixed flange, a detachable flange, a threaded rod, a nylon support block and a curved part. Through the combination of bolts and nuts, a stable connection between the cylinder head and the frame is achieved to avoid swinging of the cylinder head.
It improves the stability of the cylinder head of the diaphragm compressor, prevents the cylinder head from breaking, enhances the safety and reliability of equipment operation, and avoids safety accidents caused by cylinder head breaking.
Smart Images

Figure CN223190582U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a supporting device, in particular to a supporting device for a diaphragm compressor. Background Art
[0002] A diaphragm compressor is a special type of positive displacement compressor with a high compression ratio, excellent sealing, and the ability to keep the compressed gas free from contamination by lubricating oil and other solid impurities. Therefore, it is suitable for compressing high-purity, rare and precious, flammable and explosive, toxic and harmful, corrosive, and high-pressure gases.
[0003] The cylinder head of existing diaphragm compressors is suspended in the air without any support points. In particular, the first-stage cylinder head weighs 2 tons. The cylinder head is affected by up and down vibrations, which may cause the middle body support to break due to the heavy load over a long period of time. Diaphragm compressors are important equipment in hydrogen energy production. The hydrogen medium is active and the maximum exhaust pressure can reach 20MPa. The fracture of the diaphragm compressor cylinder head support may cause the first-stage cylinder body to be blown away, resulting in casualties, hydrogen fire, explosion, damage to auxiliary equipment pipelines and other serious situations, causing immeasurable losses. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a support device for a diaphragm compressor, which effectively solves the problem that the cylinder head of the existing diaphragm compressor is suspended in the air without a support point, especially the first-stage cylinder head weighs 2 tons, and the cylinder head is affected by the up and down vibrations, which may cause the middle body support to be unable to bear the load and break over a long period of time. The diaphragm compressor is an important equipment in hydrogen energy production. The hydrogen medium is active and the maximum exhaust pressure can reach 20MPa. The fracture of the diaphragm compressor cylinder head support may cause the first-stage cylinder body to be blown away, resulting in casualties, hydrogen fire, explosion, damage to auxiliary equipment pipelines and other serious situations, causing immeasurable losses.
[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: the present invention includes a diaphragm compressor cylinder head for use and a frame provided at the bottom end of the diaphragm compressor cylinder head, and also includes a support mechanism, wherein the support mechanism is provided between the diaphragm compressor cylinder head and the frame;
[0006] The supporting mechanism includes a fixed flange, a detachable flange, a fixing bolt, a first threaded hole, a threaded rod, a second threaded hole, a fixing nut, a column, a fastening nut, a nylon support block, a socket and an arc-shaped portion. The fixed flange is welded to the frame, and the detachable flange is installed on the fixed flange through the fixing bolts. The middle part of the fixed flange and the detachable flange is screwed with a threaded rod, the top of the threaded rod is welded with a fixing nut, the middle part of the top of the fixed nut is provided with a column, the bottom of the threaded rod is screwed with a fastening nut, the column is plugged with a nylon support block, and the top of the nylon support block is provided with an arc-shaped portion.
[0007] Preferably, the fixed flange and the detachable flange are both provided with first threaded holes at positions corresponding to the fixing bolts.
[0008] Preferably, the fixed flange and the detachable flange are both provided with second threaded holes at positions corresponding to the threaded rods.
[0009] Preferably, the nylon support block is provided with a socket at a position corresponding to the plug post.
[0010] Preferably, the arc-shaped portion fits against the surface of the diaphragm compressor cylinder head.
[0011] Preferably, the inner diameter of the fixing nut is larger than the diameter of the insertion hole.
[0012] Beneficial effects: The utility model has a novel structure, ingenious conception, convenient disassembly and assembly, a wide range of applications, can increase the support of the diaphragm compressor cylinder head, effectively avoid the up and down swing of the cylinder head, improve the stability of equipment operation, and generate huge benefits for the company. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the fixed flange and the detachable flange of the utility model;
[0016] Figure 3 This is a schematic diagram of the threaded rod structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the nylon support block of the utility model;
[0018] Numbers in the figure: 1. Diaphragm compressor cylinder head; 2. Frame; 3. Support mechanism; 4. Fixed flange; 5. Removable flange; 6. Fixing bolt; 7. First threaded hole; 8. Threaded rod; 9. Second threaded hole; 10. Fixing nut; 11. Insert column; 12. Fastening nut; 13. Nylon support block; 14. Socket; 15. Arc-shaped part. DETAILED DESCRIPTION
[0019] The following is combined with Figure 1-4 The specific implementation methods of the present utility model are further described in detail.
[0020] Embodiment 1, by Figure 1-4The utility model provides a supporting device for a diaphragm compressor, comprising a diaphragm compressor cylinder head 1 for use and a frame 2 provided at the bottom end of the diaphragm compressor cylinder head 1, and further comprising a supporting mechanism 3, wherein the supporting mechanism 3 is provided between the diaphragm compressor cylinder head 1 and the frame 2;
[0021] The supporting mechanism 3 includes a fixed flange 4, a removable flange 5, a fixing bolt 6, a first threaded hole 7, a threaded rod 8, a second threaded hole 9, a fixing nut 10, a column 11, a fastening nut 12, a nylon support block 13, a socket 14 and an arc-shaped portion 15. The fixed flange 4 is welded to the frame 2. The removable flange 5 is installed on the fixed flange 4 through the fixing bolt 6. The middle part of the fixed flange 4 and the removable flange 5 is screwed with a threaded rod 8. The top of the threaded rod 8 is welded with a fixing nut 10. The middle part of the top of the fixed nut 10 is provided with a column 11. The bottom of the threaded rod 8 is screwed with a fastening nut 12. The column 11 is plugged with a nylon support block 13, and the top of the nylon support block 13 is provided with an arc-shaped portion 15.
[0022] The fixed flange 4 and the detachable flange 5 are both provided with first threaded holes 7 at positions corresponding to the fixing bolts 6 , so as to facilitate the screwing and fixing of the fixing bolts 6 .
[0023] Second threaded holes 9 are provided at positions of the fixed flange 4 and the detachable flange 5 corresponding to the threaded rod 8 , so as to facilitate the installation and use of the threaded rod 8 .
[0024] The nylon support block 13 is provided with an insertion hole 14 at a position corresponding to the insertion column 11 , so as to facilitate the installation and use of the nylon support block 13 .
[0025] The arc portion 15 is in contact with the surface of the diaphragm compressor cylinder head 1 , so as to facilitate the connection and support between the nylon support block 13 and the diaphragm compressor cylinder head 1 .
[0026] The inner diameter of the fixing nut 10 is larger than the diameter of the insertion hole 14 , so that the fixing nut 10 provides position-limiting support for the nylon support block 13 .
[0027] Working Principle: When using the present invention, a matching fixed flange 4 and a removable flange 5 are first produced. The fixed flange 4 is welded to the integral frame 2 of the diaphragm compressor. The removable flange 5 is fixed to the fixed flange 4 by fixing bolts 6 to facilitate subsequent disassembly and assembly. Internal threads are machined into the fixed flange 4 and the removable flange 5, and the connection with the top nylon support block 13 is achieved by adjusting the fastening nut 12 and the threaded rod 8. The height is adjusted by adjusting the depth of the lower portion of the threaded rod 8 screwed into the flange. The plug 11 is inserted into the nylon support block 13. After loosening the fastening nut 12, the fixed nut 10 is rotated to drive the threaded rod 8 to achieve the up and down movement of the support device. The lower part of the top nylon support block 13 is processed with a socket 14 that cooperates with the adjusting bolt, and the upper part is processed into an arc-shaped part 15 that cooperates with the diaphragm compressor cylinder head 1 to achieve a perfect fit of the support device. When adjusting, screw the fastening nut 12 upward, and then rotate the threaded rod 8 through the fixed nut 10 to adjust the position of the bottom end of the threaded rod 8 to be screwed into the second threaded hole 9 on the fixed flange 4 and the detachable flange 5. After the adjustment is completed, tighten the fastening nut 12 to fix it. The present invention can effectively increase the support surface of the diaphragm compressor cylinder head 1, effectively avoid the up and down swing of the diaphragm compressor cylinder head 1, and improve the operation stability of the equipment.
[0028] Beneficial effects: The utility model has a novel structure, ingenious conception, convenient disassembly and assembly, a wide range of applications, can increase the support of the diaphragm compressor cylinder head, effectively avoid the up and down swing of the cylinder head, improve the stability of equipment operation, and generate huge benefits for the company.
[0029] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A supporting device for a diaphragm compressor, comprising a diaphragm compressor cylinder head (1) for use and a frame (2) arranged at the bottom end of the diaphragm compressor cylinder head (1), characterized in that: It also includes a support mechanism (3), wherein the support mechanism (3) is provided between the diaphragm compressor cylinder head (1) and the frame (2); The support mechanism (3) comprises a fixed flange (4), a detachable flange (5), a fixing bolt (6), a first threaded hole (7), a threaded rod (8), a second threaded hole (9), a fixing nut (10), a plug post (11), a tightening nut (12), a nylon support block (13), a plug hole (14) and an arc portion (15); the fixed flange (4) is welded to the frame (2); the detachable flange (5) is mounted on the fixed flange (4) via the fixing bolt (6); the middle of the fixed flange (4) and the detachable flange (5) are screwed with a threaded rod (8); the top of the threaded rod (8) is welded with a fixing nut (10); the middle of the top of the fixed nut (10) is provided with a plug post (11); the bottom of the threaded rod (8) is screwed with a tightening nut (12); the plug post (11) is plugged with a nylon support block (13); the top of the nylon support block (13) is provided with an arc portion (15).
2. A supporting device for a diaphragm compressor according to claim 1, characterized in that: The fixed flange (4) and the detachable flange (5) are both provided with first threaded holes (7) at positions corresponding to the fixing bolts (6).
3. The supporting device for a diaphragm compressor according to claim 1, characterized in that: The fixed flange (4) and the detachable flange (5) are both provided with second threaded holes (9) at positions corresponding to the threaded rods (8).
4. The supporting device for a diaphragm compressor according to claim 1, characterized in that: The nylon support block (13) is provided with an insertion hole (14) at a position corresponding to the insertion column (11).
5. The supporting device for a diaphragm compressor according to claim 1, characterized in that: The arc-shaped portion (15) is in contact with the surface of the diaphragm compressor cylinder head (1).
6. The supporting device for a diaphragm compressor according to claim 4, characterized in that: The inner diameter of the fixing nut (10) is larger than the diameter of the insertion hole (14).