CN211370679U

CN211370679U - Cylinder body assembly and diaphragm compressor cylinder body component

Info

Publication number: CN211370679U
Application number: CN201922296248.8U
Authority: CN
Inventors: 闫大伟; 王世宇; 赵进伟
Original assignee: Beijing Jingcheng Compressor Co ltd
Current assignee: Beijing Jingcheng Compressor Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-28
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a cylinder body subassembly and diaphragm compressor cylinder body part, include the cylinder body and set up the water conservancy diversion spare in the cylinder body, be provided with the round hole that holds the cylinder liner on the lower part center pin of cylinder body, the water conservancy diversion spare set up in the top of round hole and with the cylinder body is detachable fixed, the center pin lower part and the cylinder liner sealed of cylinder body can be dismantled fixedly, the periphery of cylinder body and the periphery sealed of cylinder cap can be dismantled fixedly, the lower part and the detachable fixed of well body of cylinder body. The utility model discloses a cylinder body subassembly simple structure, increase hydraulic oil flow field stability, improve cylinder body part stability and life-span.

Description

Cylinder body assembly and diaphragm compressor cylinder body component

Technical Field

The utility model relates to a diaphragm compressor technical field especially relates to a cylinder body subassembly.

The utility model discloses still relate to a take diaphragm compressor cylinder body part of above-mentioned cylinder body subassembly.

Background

With the development of aerospace, nuclear power, petrochemical industry and gas industry at home and abroad, a large-displacement diaphragm compressor is urgently needed, so that large and ultra-large diaphragm compressors are more and more favored by users.

Meanwhile, the requirements of users on the stability of the large diaphragm compressor and the service life of the wearing parts are strict. In particular, the stability of the oil circuit plays a critical role in the operation of the compressor, and the critical component for implementing the oil circuit is the cylinder component of the compressor.

As the displacement of the diaphragm compressor is larger and larger, the required diameter of the piston is larger and larger, which means that the cylinder body is subjected to a larger and larger pressure caused by the hydraulic oil squeezed by the piston, so that some devices or structures are required to be arranged at corresponding positions of the cylinder body and the piston to reduce the impact of the hydraulic oil on the cylinder body, thereby prolonging the service life of internal parts of the diaphragm compressor.

Disclosure of Invention

The utility model discloses a solve not enough among the prior art and accomplish. The utility model aims at providing a simple structure, increase hydraulic oil flow field stability, improve the cylinder body subassembly of cylinder body part stability and life-span.

The utility model discloses a cylinder body subassembly, include the cylinder body and set up the water conservancy diversion spare in the cylinder body, be provided with the round hole that holds the cylinder liner on the lower part center pin of cylinder body, the water conservancy diversion spare set up in the top of round hole and with the detachable fixed of cylinder body, the center pin lower part and the cylinder liner sealed of cylinder body can be dismantled fixedly, the periphery sealed of the periphery of cylinder body and cylinder cap can be dismantled fixedly, the lower part and the detachable fixed of well body of cylinder body, the cylinder liner with the top intercommunication of cylinder body, the cylinder liner with it is equipped with hydraulic oil to fill between the top of cylinder body.

The utility model discloses a cylinder body subassembly can also be:

the flow guide piece is an inverted cone.

The diameter of the flow guide part is 60-205 mm.

The cylinder body with the top of cylinder liner corresponds position department equidistant ring and is equipped with at least three first mounting hole, the water conservancy diversion spare passes through the mounting hole with the cylinder body is detachable fixed.

The cylinder body is provided with five at least pipeline that disperse that are used for hydraulic oil to flow, the pipeline that disperses equiangular interval radial extension set up in outside the round hole the cylinder body is originally internal, the one end that disperses the pipeline with the round hole intercommunication, the other end that disperses the pipeline all radially extends to cylinder body periphery and respectively with be located the intercommunication with adjustable of the outside oil supplementing system flow of cylinder body.

The cylinder body is in each the upper portion of diverging the pipeline is provided with two at least annular, the annular is followed interval distribution in the radial direction of cylinder body, the lower part of annular with it communicates to diverge the pipeline, the upper portion of annular with the top of cylinder body communicates.

The cylinder body is in the below of diverging the pipeline is provided with cooling system, cooling system and water supply system intercommunication.

The cooling system comprises at least two straight water pipes, the straight water pipes are connected end to form a water cavity, the water cavity is uniformly distributed on the lower portion of the divergent pipeline, and two ends of the water cavity are communicated with a water supply system respectively.

The utility model discloses a cylinder body subassembly, include the cylinder body and set up the water conservancy diversion spare in the cylinder body, be provided with the round hole that holds the cylinder liner on the lower part center pin of cylinder body, the water conservancy diversion spare set up in the top of round hole and with the cylinder body is detachable fixed, the center pin lower part and the cylinder liner sealed of cylinder body can be dismantled fixedly, the periphery of cylinder body and the periphery sealed of cylinder cap can be dismantled fixedly, the lower part and the detachable fixed of well body of cylinder body. When hydraulic oil flows upwards to enter the cylinder body due to extrusion, the pressure of the hydraulic oil on the cylinder body at the position opposite to the cylinder sleeve is the largest, and when the diaphragm compressor is in a working state for a long time, the loss of the cylinder body is the largest at the position, so that the cylinder body is easier to damage relative to other positions of the cylinder body. When adding during the water conservancy diversion spare, hydraulic oil is right the pressure of cylinder body has the cushioning effect, makes hydraulic oil right the stress direction of cylinder body changes, makes the stress slope act on the conical surface of water conservancy diversion spare, and then with partly decomposition to the horizontal direction of stress, and then the horizontal direction stress with the radial tension of cylinder body offsets, is used in the stress of the vertical direction of cylinder body reduces, consequently, has prolonged the life-span of cylinder body to increased the stability in hydraulic oil flow field and then improved the life of diaphragm, and in the use, if lead to because the repeated impact of hydraulic oil the water conservancy diversion spare damages, also can conveniently only change the water conservancy diversion spare, and then the effectual cost of saving the enterprise. The utility model discloses a cylinder body subassembly and diaphragm compressor cylinder body part is, for prior art's advantage: simple structure, increase hydraulic oil flow field stability, improve cylinder body part stability and life-span.

Another object of the utility model is to provide a simple structure, increase hydraulic oil flow field stability, improve the diaphragm compressor cylinder body part of cylinder body part stability and life-span.

The utility model discloses a diaphragm compressor cylinder body part, including cylinder body subassembly, cylinder liner, cylinder cap and diaphragm, the cylinder body subassembly includes cylinder body and the water conservancy diversion spare of setting in the cylinder body, be provided with the round hole that holds the cylinder liner on the lower part center pin of cylinder body, the water conservancy diversion spare set up in the top of round hole and with the cylinder body detachable fixed, the center pin lower part of cylinder body and the cylinder liner sealed detachable fixed, the periphery of cylinder body and the periphery sealed detachable fixed of cylinder cap, the lower part of cylinder body and the detachable fixed of midbody, the cylinder liner with the top of cylinder body communicate, be filled with hydraulic oil between the top of cylinder body and the cylinder body, be provided with the diaphragm between cylinder body middle part upper surface and the cylinder cap middle part lower surface, the diaphragm with the cylinder cap encloses and establishes the formation air cavity, the air cavity is respectively communicated with the air inlet system and the exhaust system in a flow adjustable mode at the corresponding position of the cylinder cover, the diaphragm and the cylinder body are surrounded to form an oil cavity, hydraulic oil is filled between the piston and the diaphragm, the oil cavity is communicated with the cylinder sleeve in a flow adjustable mode, and the cylinder sleeve is connected with the piston connected with the driving device in a sliding mode in a sealing mode.

The utility model discloses a diaphragm type compressor cylinder body part can also be:

be provided with the admission valve on the cylinder cap and be located cylinder cap center epaxial discharge valve, the admission valve with discharge valve all with the air cavity intercommunication, discharge valve with exhaust system is in the top intercommunication of cylinder cap, the admission valve with intake system is in the top intercommunication of cylinder cap.

The utility model discloses a diaphragm compressor cylinder body part, including cylinder body subassembly, cylinder liner, cylinder cap and diaphragm, the cylinder body subassembly includes cylinder body and the water conservancy diversion spare of setting in the cylinder body, be provided with the round hole that holds the cylinder liner on the lower part center pin of cylinder body, the water conservancy diversion spare set up in the top of round hole and with the cylinder body detachable fixed, the center pin lower part of cylinder body and the cylinder liner sealed detachable fixed, the periphery of cylinder body and the periphery sealed detachable fixed of cylinder cap, the lower part of cylinder body and the detachable fixed of midbody, the cylinder liner with the top of cylinder body communicate, be filled with hydraulic oil between the top of cylinder body and the cylinder body, be provided with the diaphragm between cylinder body middle part upper surface and the cylinder cap middle part lower surface, the diaphragm with the cylinder cap encloses and establishes the formation air cavity, the air cavity is respectively communicated with the air inlet system and the exhaust system in a flow adjustable mode at the corresponding position of the cylinder cover, the diaphragm and the cylinder body are surrounded to form an oil cavity, hydraulic oil is filled between the piston and the diaphragm, the oil cavity is communicated with the cylinder sleeve in a flow adjustable mode, and the cylinder sleeve is connected with the piston connected with the driving device in a sliding mode in a sealing mode. Thus, when the piston is positioned at the top dead center as a starting point, the diaphragm is at the upper limit position, when the driving device moves to drive the piston to slide downwards along the cylinder sleeve, the diaphragm restores to the balance position due to the action of hydraulic oil sinking, oil pressure reduction and self elasticity, the oil pressure in the oil cavity is reduced due to the increase of the volume of the hydraulic oil along with the continuous sliding of the piston, further, when the oil pressure in the oil cavity is smaller than the air pressure in the air cavity, the diaphragm can be gradually concave down in order to stabilize the air pressure of the air cavity and the oil pressure of the oil cavity, at the moment, the volume of the air cavity is gradually increased, the density of the gas remaining in the air cavity is reduced, the pressure is reduced, when the gas pressure of the air cavity is smaller than the gas pressure of the gas inlet system, the air cavity is closed and communicated with the exhaust system, and the air, and then the gas is communicated with the gas inlet system through the cylinder cover and enters the gas cavity, when the driving device rotates to the lowest end, the piston moves to the bottom dead center, the diaphragm immediately reaches the lower limit position, and the gas inlet process of the gas cavity is finished. And then the driving device continues to rotate upwards to drive the piston to slide upwards along the cylinder sleeve, the hydraulic oil enters the oil cavity from the upper part of the piston more to increase the pressure of the hydraulic oil in the oil cavity due to the pushing of the piston, when the oil pressure in the oil cavity is greater than the air pressure in the air cavity, the hydraulic oil in the oil cavity uniformly acts on the diaphragm to push the diaphragm to deform upwards, the air cavity is communicated with the air inlet system in a closing mode, the gas in the air cavity starts to be compressed, when the gas pressure in the air cavity is higher than the gas pressure in the air exhaust system, the air cavity is communicated with the air exhaust system in an opening mode, the gas is pressed into the air exhaust system, when the diaphragm rises to the top dead center along with the piston, the gas in the air cavity is basically emptied, and the air exhaust process is finished. When the piston moves upwards, hydraulic oil is extruded to flow upwards to enter the oil cavity, the hydraulic oil is opposite to the piston, the pressure of the cylinder body is maximum, when the flow guide piece is added, the hydraulic oil is opposite to the pressure of the cylinder body, the stress direction of the cylinder body is changed, part of stress is offset by the tension of the cylinder body, the stress in the vertical direction of the cylinder body is further reduced, the service life of the cylinder body is prolonged, the stability of a hydraulic oil flow field is increased, and the service life of the diaphragm is prolonged. The utility model discloses a diaphragm compressor cylinder body part is, for prior art's advantage: simple structure, increase hydraulic oil flow field stability, improve cylinder body part stability and life-span.

Drawings

Figure 1 the utility model relates to a diaphragm compressor cylinder body part assembly drawing.

Fig. 2 is a bottom view of a cylinder assembly diversion member.

Fig. 3 the utility model relates to a cylinder body subassembly cylinder body section view.

Fig. 4 is a sectional view of a cylinder block assembly of the present invention, as shown in fig. 3K-K.

Fig. 5 is a sectional view of the cylinder assembly of the present invention, as shown in fig. 3L-L.

Fig. 6 is a bottom view of the cylinder body assembly.

Fig. 7 is a bottom view of a cylinder assembly.

Description of the figures

1-cylinder cover 2-cylinder body 3-flow guide piece

4-cylinder liner 5-round hole 6-piston

7-exhaust valve 8-intake valve 9-ring groove

10-divergent pipeline 11-pressure regulating valve 12-diaphragm

13-straight water pipe 14-first mounting hole 15-second mounting hole

16-third mounting hole 17-fourth mounting hole 18-fifth mounting hole

19-sixth mounting hole 20-seventh mounting hole 21-oil supplementing system

22-water inlet 23-water outlet 24-water pipe plug

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A cylinder block assembly and a diaphragm compressor cylinder block component according to the present invention will be described in further detail with reference to fig. 1 to 7 of the drawings.

The utility model discloses a cylinder body subassembly, please refer to fig. 1 to 7, include cylinder body 2 and set up water conservancy diversion piece 3 in cylinder body 2, be provided with the round hole 5 that holds cylinder liner 4 on the lower part center pin of cylinder body 2, water conservancy diversion piece 3 set up in the top of round hole 5 and with the detachable fixed of cylinder body 2, the center pin lower part and the cylinder liner 4 sealed of cylinder body 2 can be dismantled fixedly, the periphery of cylinder body 2 and the periphery sealed of cylinder cap 1 can be dismantled fixedly, the lower part and the detachable fixed of well body of cylinder body 2, cylinder liner 4 with the top intercommunication of cylinder body 2, cylinder liner 4 with it is equipped with hydraulic oil to fill between the top of cylinder body 2. Thus, when the hydraulic oil flows upward into the cylinder body 2 due to being squeezed, the pressure of the hydraulic oil on the cylinder body 2 is the greatest at the position facing the cylinder liner 4, and in the long-term working state of the diaphragm compressor, the loss to the cylinder body 2 is the greatest at this position, so that the cylinder body 2 is more easily damaged at this position relative to other positions of the cylinder body 2. When adding during the water conservancy diversion spare 3, hydraulic oil is to the pressure of cylinder body 2 has the cushioning effect, makes hydraulic oil right the stress direction of cylinder body 2 changes, makes the stress slope act on the conical surface of water conservancy diversion spare 3, and then decomposes the horizontal direction with partly the horizontal direction of stress, and then the stress of horizontal direction with the radial tension of cylinder body 2 offsets, is used in the stress of the vertical direction of cylinder body 2 reduces, consequently, has prolonged the life-span of cylinder body 2 to increased the stability in hydraulic oil flow field and then improved the life of diaphragm 12, and in the use, if lead to because of the repeated impact of hydraulic oil the water conservancy diversion spare 3 damages, also can conveniently only change water conservancy diversion spare 3, and then the effectual cost of saving the enterprise. The utility model discloses a cylinder body subassembly and diaphragm compressor cylinder body part is, for prior art's advantage: simple structure, increase hydraulic oil flow field stability, improve cylinder body part stability and life-span.

The utility model discloses a cylinder body subassembly please refer to fig. 1 to 7, can also be on the basis of preceding technical scheme water conservancy diversion spare 3 is the cone of inversion. Like this, when hydraulic oil gets into because receive the extrusion and the upflow when the cylinder body 2, hydraulic oil is to the pressure of cylinder body 2 all is in the conical surface of water conservancy diversion piece 3, and water conservancy diversion piece 3 with the cylinder body 2 is detachable fixed, and then hydraulic oil is to the pressure of cylinder body 2 is by the vertical action become the slope effect on the cylinder body 2 on the conical surface of water conservancy diversion piece 3, water conservancy diversion piece 3 decomposes some on the horizontal direction with this pressure the tension of cylinder body 2 offsets, has consequently reduced hydraulic oil to the pressure of cylinder body 2, and then has increased the stability in hydraulic oil flow field. The further preferable technical proposal is that the diameter of the flow guide part 3 is 60-205 mm. In this way, in order to adapt to the size of the piston 6 of the diaphragm compressor, the pressure of the hydraulic oil pushed by the piston 6 to the cylinder body 2 can be balanced to act on the flow guide element 3, and the size of the piston 6 is generally 55-200 mm. In a further preferable technical scheme, the diameter of the flow guide part 3 is 1.05 times of the inner diameter of the cylinder sleeve 4. In this way, the pressure generated by the piston 6 pushing the hydraulic oil can just act on the diversion element 3 in an equalizing way.

The utility model discloses a cylinder body subassembly please refer to fig. 1 to 7, can also be on the basis of preceding technical scheme cylinder body 2 with the equidistant ring in position department is equipped with at least three first mounting hole 14 corresponding to the top of cylinder liner 4, water conservancy diversion piece 3 passes through the mounting hole with 2 detachable fixes of cylinder body. Thus, if the flow guide member 3 is damaged due to abrasion or other factors during use, the flow guide member 3 can be detached from the cylinder body 2 and replaced independently. A further preferable technical solution is that a seventh mounting hole 20 is formed at a corresponding position on the flow guide member 3, and the flow guide member 3 and the cylinder body 2 are detachably fixed by a fastening member inserted into the first mounting hole 14 through the seventh mounting hole 20. Like this, the split type structure of water conservancy diversion spare 3 with the fastener the water conservancy diversion spare 3 with the load that the cylinder body 2 junction can bear is bigger, and then has reduced the frequency that water conservancy diversion spare 3 damaged.

The utility model discloses a cylinder body subassembly, please refer to fig. 1 to fig. 7, can also be on the basis of technical scheme in the front be provided with five at least pipeline 10 that disperse that are used for hydraulic oil to flow on the cylinder body 2, disperse the equal angular interval radial extension of pipeline 10 set up in outside the round hole 5 in the cylinder body 2, disperse the one end of pipeline 10 with 5 intercommunications of round hole, the equal radial extension of the other end that disperses pipeline 10 extremely 2 peripheries of cylinder body and respectively with be located intercommunication with adjustable 21 flows of the outside oil supplementation system of cylinder body 2. Like this, hydraulic oil process when dispersing pipeline 10 right cylinder body 2's impact force is more even distribute to on dispersing a plurality of stress point that pipeline 10 corresponds, and then avoided hydraulic oil to cylinder body 2's effort is concentrated on a point that round hole 5 corresponds, thereby increased cylinder body 2's life. However, during the intake or exhaust process, the hydraulic oil may leak into the driving device box at the lower part of the piston 6 or other components due to the gap between the piston and the cylinder head, and in order to make the diaphragm 12 tightly contact with the lower surface of the cylinder head 1 as much as possible to exhaust the gas in the gas cavity at the end of the exhaust process, the diverging pipeline 10 is also in flow-adjustable communication with the oil replenishing system 21. The further preferred technical scheme is that the oil supplementing system 21 comprises a pressure regulating valve 11, a compensation oil pump, a diaphragm 12 breakage alarm device, a cylinder body oil pressure measuring device, a cylinder body component lubricating device and the like. Like this, the compensation oil pump is at the in-process of admitting air with oil injection divergent pipeline 10, the oiling volume is slightly more than leaking the volume, measures cylinder body oil pressure device if detect the inside oil pressure of cylinder body 2 surpasss the predetermined value, and unnecessary oil mass passes through when the stroke is finished the air-vent valve 11 flows back to the drive arrangement case, and like this, when piston 6 downstream, mend oil system 21 and pour into hydraulic oil, when piston 6 upward movement, air-vent valve 11 discharges hydraulic oil. In order to reduce the abrasion between the parts during the operation of the diaphragm compressor, it is also necessary to continuously inject lubricating oil between the parts, which may be rubbed, by using the cylinder part lubricating apparatus to reduce the generation of heat or damage between the parts due to friction. Wherein the pressure regulating valve 11, the compensation oil pump, the diaphragm 12 breakage warning device, the cylinder body oil pressure measuring device, the cylinder body part lubricating device and the like are arranged in an exchangeable manner. A further preferable technical solution is that the cylinder body 2 is provided with at least two ring grooves 9 on the upper portion of each diverging pipeline 10, the ring grooves 9 are distributed at intervals along the radial direction of the cylinder body 2, the lower portions of the ring grooves 9 are communicated with the diverging pipelines 10, and the upper portions of the ring grooves 9 are communicated with the upper portion of the cylinder body 2. Like this, when diaphragm compressor is in the exhaust process, hydraulic oil passes through annular 9 is followed it injects to disperse pipeline 10 the top of cylinder body 2 further disperses the pressure of hydraulic oil, and hydraulic oil is reaching diaphragm 12 that the cylinder body 2 top set up is right when the pressure of diaphragm 12 further weakens, and then has increased diaphragm 12's life. A further preferable technical solution is that the ring grooves 9 are distributed at equal intervals along the radial direction of the cylinder body 2. Like this, when diaphragm compressor is in the exhaust process, hydraulic oil passes through annular 9 is followed it injects to disperse pipeline 10 the top of cylinder body 2 is dispersed more evenly with the pressure of hydraulic oil, and hydraulic oil is reaching diaphragm 12 that the cylinder body 2 top set up is right during the even weakening of pressure of diaphragm 12, and then has increased diaphragm 12's life.

The utility model discloses a cylinder body subassembly please refer to fig. 1 to 7, can also be on the basis of preceding technical scheme cylinder body 2 the below of dispersing pipeline 10 is provided with cooling system, cooling system and water supply system intercommunication. Like this, because the diaphragm compressor is when operating condition, its each part spare part and hydraulic oil all can generate heat because of friction or extrusion, cooling system can make the hydraulic oil in diverging pipeline 10 obtain timely cooling, and then has protected cylinder body 2 is difficult to damage because of high temperature. A further preferred technical scheme is that the cooling system comprises at least two straight water pipes 13, the straight water pipes 13 are connected end to form a water cavity, the water cavity is uniformly distributed at the lower part of the divergent pipeline 10, and two ends of the water cavity are respectively communicated with a water supply system. Like this, because diaphragm compressor is in operating condition, its each part spare part and hydraulic oil all can generate heat because of friction or extrusion, straight water pipe 13 passes through cooling water the water cavity homodisperse is to inside the cylinder body 2 for the cooling rate of each spare part in the diaphragm compressor, and then protected cylinder body 2 is difficult to damage because of high temperature. In a further preferable technical scheme, a water inlet 22 and a water outlet 23 are respectively arranged at two ends of the water cavity, and cooling water enters the cooling system from the water inlet 22 and flows out of the cooling system from the water outlet 23. Therefore, when the diaphragm compressor works, the cooling water absorbs the temperature of hydraulic oil in the cooling system to cause the temperature of the cooling water to rise, and the temperature of the cooling water is reduced in the water supply system after the cooling water flows out of the cooling system, so that the cooling water can be recycled in the closed circulation of the communication between the water supply system and the cooling system, and the energy is saved. Wherein the positions of the water inlet 22 and the water outlet 23 can be arranged in an exchangeable manner. The further preferable technical scheme is that the water cavities are uniformly arranged at the lower part of the divergent pipeline 10 in a pentagram shape, and the corresponding positions of the water cavities close to the outside of the cylinder body 2 are communicated with the outside and are provided with water pipe plugs 24. Therefore, because the cooling water may contain impurities due to some reasons and may be deposited inside the water cavity during the flowing process to block the water cavity, thereby affecting the cooling effect, the turning points of the water cavity are communicated with the outside, and the water pipe plug 24 can be detached to dredge the water cavity at any time when the blocking occurs.

The utility model discloses a diaphragm compressor cylinder body part please refer to fig. 1 to fig. 7, can also be including cylinder body subassembly, cylinder liner 4, cylinder cap 1 and diaphragm 12 on the basis of preceding technical scheme, the cylinder body subassembly is aforementioned arbitrary cylinder body subassembly, 2 middle parts upper surfaces of cylinder body with be provided with diaphragm 12 between 1 middle part lower surfaces of cylinder cap, diaphragm 12 with cylinder cap 1 encloses and establishes the formation air cavity, the air cavity is in corresponding position department of cylinder cap 1 communicates with air intake system and exhaust system flow adjustable respectively, diaphragm 12 with cylinder body 2 encloses and establishes the formation oil pocket, piston 6 with fill between the diaphragm 12 and be equipped with hydraulic oil, the oil pocket with communicate with flow adjustable between the cylinder liner 4, cylinder liner 4 and the 6 sealed sliding connection of piston that is connected with drive arrangement. Thus, when the piston 6 is at the top dead center as a starting point, the diaphragm 12 is at the upper limit position, when the driving device moves to drive the piston 6 to slide downwards along the cylinder sleeve 4, the diaphragm 12 is restored to the balance position due to the action of hydraulic oil sinking, oil pressure reduction and self elasticity, the oil pressure in the oil cavity is reduced due to the increase of the volume of the hydraulic oil along with the continuous sliding of the piston 6, further, when the oil pressure in the oil cavity is smaller than the air pressure in the air cavity, the diaphragm 12 can be gradually concave down to stabilize the air pressure of the air cavity and the oil pressure of the oil cavity, at this time, the volume of the air cavity is gradually increased, the density of the gas remaining in the air cavity is firstly reduced, and the pressure is reduced therewith, and when the gas pressure of the air cavity is smaller than the gas pressure of the gas inlet system, the air cavity is, the air cavity is communicated with the air inlet system, then air enters the air cavity through the communication of the cylinder cover 1 and the air inlet system, when the driving device rotates to the lowest end, the piston 6 moves to the bottom dead center, the diaphragm 12 immediately reaches the lower limit position, and at the moment, the air inlet process of the air cavity is completed. The drive means continues to rotate upwards driving the piston 6 to slide upwards along the cylinder casing 4, the hydraulic oil enters the oil chamber more from the upper part of the piston 6 due to the pushing of the piston 6 to increase the hydraulic oil pressure in the oil chamber, when the oil pressure in the oil cavity is larger than the air pressure in the air cavity, the hydraulic oil in the oil cavity uniformly acts on the membrane 12 to push the membrane 12 to deform upwards, when the air cavity is closed and communicated with the air inlet system, the air in the air cavity starts to be compressed, when the gas pressure in the gas cavity is higher than the gas pressure in the exhaust system, the gas cavity is communicated with the exhaust system in an opening mode, gas is pressed into the exhaust system, when the diaphragm 12 is lifted to the top dead center along with the piston 6, the gas in the gas chamber is substantially evacuated, and the exhaust process is ended. When piston 6 extrudees hydraulic oil during upward movement and flows upwards and get into the oil pocket, just to the position of piston 6, hydraulic oil is right the pressure of cylinder body 2 is the biggest, when adding during the water conservancy diversion piece 3, it is right to have a cushioning effect with hydraulic oil the pressure of cylinder body 2, makes hydraulic oil right the stress direction of cylinder body 2 changes, makes partly stress with the tension of cylinder body 2 offsets, and then is used in the stress of the vertical direction of cylinder body 2 reduces, consequently, has prolonged the life-span of cylinder body 2 to the stability that has increased the flow field has then improved the life of diaphragm 12.

The utility model discloses a cylinder body subassembly and diaphragm compressor cylinder body part please refer to fig. 1 to fig. 7, can also be on the basis of technical scheme in the front be provided with admission valve 8 on the cylinder cap 1 and be located cylinder cap 1 center epaxial discharge valve 7, admission valve 8 with discharge valve 7 all with the air cavity intercommunication, discharge valve 7 with exhaust system is in cylinder cap 1's top intercommunication, admission valve 8 with intake system is in cylinder cap 1's top intercommunication. Thus, during intake, the intake valve 8 opens to communicate the air chamber with the intake system, and the exhaust valve 7 closes to disconnect the air chamber from the exhaust system. During the exhaust process, the inlet valve 8 is closed to disconnect the air chamber from the inlet system, and the outlet valve 7 is opened to connect the air chamber to the exhaust system.

The utility model discloses a diaphragm compressor cylinder body part please refer to fig. 1 to fig. 7, can also be on the basis of preceding technical scheme equidistant ring is equipped with a plurality of second mounting hole 15 in the periphery of cylinder body 2, cylinder cap 1 is provided with fourth mounting hole 17 in corresponding position department, the cylinder body with cylinder cap 1 passes through the fastener second mounting hole 15 with fourth mounting hole 17 is detachable fixed. Therefore, the cylinder body 2 and the cylinder cover 1 can be detachably fixed on the periphery of the connecting part of the cylinder body and the cylinder cover, the stress points of tension and pressure caused by the compression and expansion of the gas in the air cavity are increased, and the cylinder body 2 and the cylinder cover 1 can be detachably fixed by penetrating a plurality of mounting holes on the cylinder body and the cylinder cover through fasteners, so that larger load can be borne.

The utility model discloses a diaphragm compressor cylinder body part please refer to fig. 1 to fig. 7, can also be on the basis of preceding technical scheme the equidistant ring in lower part of cylinder body 2 is equipped with a plurality of third mounting hole 16, cylinder body 2 passes through the detachable fixed of well body of third mounting hole 16 and diaphragm compressor. Therefore, the cylinder body 2 and the middle body of the diaphragm compressor are connected more tightly, as is well known, the pneumatic pressure required to be borne by the diaphragm compressor is usually more than 7Mpa, and the pressure required to be borne by the hydraulic oil is usually more than 9Mpa, so that the connection between the components of the diaphragm compressor is required to be more stable, in order to ensure the normal operation of the diaphragm compressor, the connection between the cylinder body 2 and the middle body of the diaphragm compressor is also required to be more tightly connected, and then a plurality of third mounting holes 16 annularly arranged at equal intervals on the lower part of the cylinder body 2 are used for fixing the middle body of the diaphragm compressor in a detachable manner by fasteners.

The utility model discloses a diaphragm compressor cylinder body part please refer to fig. 1 to 7, can also be on the basis of preceding technical scheme the cylinder liner 4 with 2 junctions of cylinder body are provided with O shape sealing washer. Therefore, the O-shaped sealing ring ensures that no gap exists at the joint of the cylinder sleeve 4 and the cylinder body 2, and the hydraulic oil in the oil cavity cannot leak from the gap. According to a further preferable technical scheme, a plurality of fifth mounting holes 18 are formed in the periphery of the cylinder sleeve 4 at equal intervals, a sixth mounting hole 19 is formed in the corresponding position of the cylinder body 2, and the cylinder sleeve 4 and the cylinder body 2 are detachably fixed by the fasteners penetrating through the fifth mounting holes 18 and being embedded into the sixth mounting holes 19. Thus, the fastening member fixes the cylinder liner 4 and the cylinder block body 2, and reinforces the fixation between the cylinder liner 4 and the cylinder block body 2.

The above description is only for the purpose of illustrating the embodiments of the present invention, but should not be construed as the scope of the present invention, and all equivalent changes or modifications or scaling up or down according to the design spirit of the present invention should be considered as falling within the scope of the present invention.

Claims

1. A cylinder block assembly, characterized by: including the cylinder body with set up the water conservancy diversion spare in the cylinder body, be provided with the round hole that holds the cylinder liner on the lower part center pin of cylinder body, the water conservancy diversion spare set up in the top of round hole and with the detachable fixed of cylinder body, the center pin lower part and the cylinder liner sealed of cylinder body can be dismantled fixedly, the periphery sealed of the periphery of cylinder body and cylinder cap can be dismantled fixedly, the lower part and the detachable fixed of well body of cylinder body, the cylinder liner with the top intercommunication of cylinder body, the cylinder liner with it is equipped with hydraulic oil to fill between the top of cylinder body.

2. A cylinder assembly according to claim 1, wherein: the flow guide piece is an inverted cone.

3. A cylinder assembly according to claim 2, wherein: the diameter of the flow guide part is 60-205 mm.

4. A cylinder assembly according to claim 1, wherein: the cylinder body with the top of cylinder liner corresponds position department equidistant ring and is equipped with at least three first mounting hole, the water conservancy diversion spare passes through the mounting hole with the cylinder body is detachable fixed.

5. A cylinder assembly according to claim 1, wherein: the cylinder body is provided with five at least pipeline that disperse that are used for hydraulic oil to flow, the pipeline that disperses equiangular interval radial extension set up in outside the round hole the cylinder body is originally internal, the one end that disperses the pipeline with the round hole intercommunication, the other end that disperses the pipeline all radially extends to cylinder body periphery and respectively with be located the intercommunication with adjustable of the outside oil supplementing system flow of cylinder body.

6. The cylinder assembly of claim 5, wherein: the cylinder body is in each the upper portion of diverging the pipeline is provided with two at least annular, the annular is followed interval distribution in the radial direction of cylinder body, the lower part of annular with it communicates to diverge the pipeline, the upper portion of annular with the top of cylinder body communicates.

7. The cylinder assembly of claim 5, wherein: the cylinder body is in the below of diverging the pipeline is provided with cooling system, cooling system and water supply system intercommunication.

8. The cylinder assembly of claim 7, wherein: the cooling system comprises at least two straight water pipes, the straight water pipes are connected end to form a water cavity, the water cavity is uniformly distributed on the lower portion of the divergent pipeline, and two ends of the water cavity are communicated with a water supply system respectively.

9. A diaphragm compressor cylinder block component characterized by: the cylinder body assembly comprises a cylinder body assembly, a cylinder sleeve, a cylinder cover and a diaphragm, wherein the cylinder body assembly is as claimed in any one of the claims 1 to 8, the diaphragm is arranged between the upper surface of the middle part of the cylinder body and the lower surface of the middle part of the cylinder cover, the diaphragm and the cylinder cover are enclosed to form an air cavity, the air cavity is communicated with an air inlet system and an exhaust system in an adjustable flow mode at the corresponding position of the cylinder cover, the diaphragm and the cylinder body are enclosed to form an oil cavity, hydraulic oil is filled between the piston and the diaphragm, the oil cavity is communicated with the cylinder sleeve in an adjustable flow mode, and the cylinder sleeve is connected with a piston sealing type sliding connection which is.

10. The diaphragm compressor cylinder component of claim 9, wherein: be provided with the admission valve on the cylinder cap and be located cylinder cap center epaxial discharge valve, the admission valve with discharge valve all with the air cavity intercommunication, discharge valve with exhaust system is in the top intercommunication of cylinder cap, the admission valve with intake system is in the top intercommunication of cylinder cap.