CN211692739U - Water-cooling plunger type multistage compressor and valve actuating mechanism thereof - Google Patents
Water-cooling plunger type multistage compressor and valve actuating mechanism thereof Download PDFInfo
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- CN211692739U CN211692739U CN201922477082.XU CN201922477082U CN211692739U CN 211692739 U CN211692739 U CN 211692739U CN 201922477082 U CN201922477082 U CN 201922477082U CN 211692739 U CN211692739 U CN 211692739U
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Abstract
The utility model discloses a water-cooling plunger type multistage compressor and valve mechanism thereof, including motor, bearing, mechanical seal, sloping cam plate pivot, connecting rod, cylinder body, plunger, distributing valve, water-cooling casing, suction line, exhaust pipe way etc.. The motor is connected with a rotating shaft of a swash plate of the coupling air compressor to drive the swash plate to swing. The bearings support the movement of the rotating part. The reciprocating motion of the swing driving plunger of the swash plate in the cylinder body realizes the air suction and exhaust, and the air distribution mechanism is designed to realize the unidirectional motion of air suction and exhaust. The water-cooling shell fully surrounds the cylinder body and the gas flow pipeline, and the contact area is increased. The utility model discloses a water-cooling plunger type multistage compressor and valve actuating mechanism thereof simple structure, low in manufacturing cost, area of contact is big, and the cooling effect is good, is favorable to improving the life-span and the efficiency of air compressor machine.
Description
Technical Field
The utility model relates to a multistage compressor and valve actuating mechanism thereof especially are applicable to water-cooling plunger type multistage compressor and valve actuating mechanism thereof belongs to machinery trade air compressor machine technical field.
Background
The high pressure compressor is a mechanical structure for raising gas pressure and conveying gas, and belongs to a working machine for converting the kinetic energy of a prime mover into gas pressure energy. The high pressure compressor has many kinds and wide application, and is called as a universal machine. The compressor is widely applied in many departments of national economy and national defense construction, and becomes essential key equipment particularly in the industrial fields of petroleum, chemical industry, power and the like. In chemical production, in order to ensure that certain synthesis processes can be carried out under high pressure, gas is pressurized to required pressure by a compressor, and in addition, the compressed gas cannot be separated during refrigeration and gas separation; compressed air is often adopted as driving power in the mechanical, national defense and power industries, a compressor is a key device for providing the compressed air, and the raw material gas is pressurized and conveyed by the compressor in the petroleum and chemical medicine production.
Because the high-pressure compressor has high output pressure and large compression ratio, the high-pressure compressor adopts multi-stage compression for better energy saving and heat dissipation. At present, the multi-stage compression cylinders of the high-pressure compressor are distributed in a star shape, so that the air distribution mechanisms are independent air distribution valve blocks, interstage cooling pipelines are complex, the structure volume is large, and miniaturization and integration are not facilitated. The air compressor with the integrated structure has the defects that heat can be generated in the compression process, the heat dissipation is inconvenient, and the practical service life and the compression efficiency are influenced.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a water-cooling plunger type multistage compressor and valve actuating mechanism thereof has adopted water cooling mechanism to increased the area of contact that needs heat dissipation position and water, realized valve actuating mechanism and embedded into the cylinder body, realized valve actuating mechanism's nimble installation and the heat dissipation of being convenient for.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a water-cooled plunger type multistage compressor and its gas distribution mechanism, which comprises a high pressure exhaust pipe, a water-cooled housing, an interstage gas distribution mechanism, a low pressure air intake pipe, a cylinder block set, a second stage compression plunger and a first stage compression plunger, a connecting rod, a swash plate, a main shaft, a bearing, a connecting disc, a screw and a driving motor; the motor is connected with the connecting disc through a screw and is connected with the water-cooling shell through the connecting disc;
wherein the cylinder body group is arranged in the water-cooling shell, the cylinder body group comprises a plurality of compression cylinder bodies, a plurality of interstage gas distribution mechanisms are arranged in a plurality of compression cylinder body supports and are connected with each other, the cylinder body group respectively extends out of the water-cooling shell through a high-pressure exhaust pipe and a low-pressure air suction pipe, concretely, the cylinder body group comprises a cylinder body base which is of a circular structure and is matched with the cross section of the water-cooling shell, a first-stage compression cylinder body, a second-stage compression cylinder body, a third-stage compression cylinder body and a fourth-stage compression cylinder body are respectively arranged on the cylinder body base, the interstage gas distribution mechanism comprises a connecting pipeline II arranged between the second-stage compression cylinder body and the third-stage compression cylinder body, a connecting pipeline I is arranged between the first-stage compression cylinder body and the fourth-stage compression cylinder body, two pipeline structures on the first-stage compression cylinder body, the second-stage compression cylinder body, the third-stage compression cylinder body and the fourth-stage compression cylinder body are respectively provided with an embedded gas distribution one-way valve;
the two-stage compression cylinder body in be equipped with the second grade compression plunger that matches, be equipped with the first grade compression plunger that matches in the first grade compression cylinder body, the pressure of the compression level of first grade compression plunger and second grade compression plunger is different, confirms according to the gas pressure ratio with, the tail end of first grade compression plunger and second grade compression plunger all is connected with the flow distribution sloping cam plate of drive sloping cam plate structure through the connecting rod, the flow distribution sloping cam plate is connected with bearing end week through the main shaft, the outer lane of bearing is connected with the hole of connecting the disc, the output shaft of motor swings with the rotary motion drive sloping cam plate of main shaft.
According to the requirement, a cavity structure can be formed by plugging the three-stage compression cylinder body and the four-stage compression cylinder body, a compression plunger matched with the structure can be arranged in the three-stage compression cylinder body and the four-stage compression cylinder body, the tail ends of the compression plungers are connected with a flow distribution swash plate driving the swash plate structure through connecting rods, the volumes of the first-stage compression cylinder body, the second-stage compression cylinder body, the three-stage compression cylinder body and the four-stage compression cylinder body are sequentially reduced, and the volume proportion is designed.
The water-cooling shell is provided with a high-pressure exhaust pipeline mounting port, an air suction pipeline mounting port, a cooling water inlet and a cooling water backflow port, wherein the high-pressure exhaust pipeline mounting port is arranged at the bottom end of the four-stage compression cylinder body, the air suction pipeline mounting port is arranged at the bottom end of the one-stage compression cylinder body, and the cooling water inlet is connected with a cooling water inlet pipe and the cooling water backflow port is connected with a cooling water outlet which is arranged on the water-cooling shell.
The distribution check valve comprises two spring valves which are oppositely arranged in a check valve shell, two step holes which are opposite in direction are oppositely arranged in the valve shell, the spring valves are reversely arranged in the two step holes, the spring valves comprise distribution valve shells, the distribution valve shells are provided with external threads, threaded connection of distribution valves and the shells is realized, conical distribution valve spools are arranged in the distribution valve shells through springs, the distribution valve spools are sealed through conical surfaces, inner hexagonal holes are formed in conical heads of the conical distribution valve spools, positioning and resetting of the spools are realized through the springs, efficiency of the air compressor is improved, a sealing ring and a clamping spring are arranged between the tail end of each spring and the distribution valve shells, exhaust ports are formed in the rear parts of the distribution valve shells, the clamping springs support the springs, and the sealing rings realize end face. The exhaust port realizes the removal of compressed gas.
A water-cooling shell is arranged at the left end cover of the air compressor, and cooling water is filled in the water-cooling shell.
The gas distribution pipeline is installed on each stage of compression cylinder body on the left end face of the cylinder body group, so that gas circulation among multi-stage compression is realized, the mechanical manufacturing cost is reduced, and the contact area with cooling water is increased.
Has the advantages that: the utility model provides a water-cooling plunger type multistage compressor and valve actuating mechanism thereof has increased cooling area, and the cooling effect is good, simple structure, manufacturing convenience, reduction in production cost simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an end view of the water-cooled housing of the present invention near the motor;
fig. 3 is a schematic structural view of the interstage valve train and the cylinder body of the present invention;
FIG. 4 is a view of the installation of the distributing valve of the present invention;
in the figure: 1. 2 parts of high-pressure exhaust pipe, 2 parts of water-cooled shell, 2 parts of 2-1 parts of high-pressure exhaust pipe installation port, 2 parts of suction pipe installation port, 2 parts of 3 parts of cooling water inlet, 2 parts of 4 parts of cooling water return port, 3 parts of interstage gas distribution mechanism, 4 parts of low-pressure suction pipe, 5 parts of cylinder block group, 5 parts of first-stage compression cylinder block, 5 parts of second-stage compression cylinder block, 5 parts of third-stage compression cylinder block, 5 parts of 4 parts of fourth-stage compression cylinder block (5 parts of 4), 52 parts of 1 part of hexagonal hole, 52 parts of 2 parts of gas distribution valve shell, 52 parts of 3 parts of conical gas distribution valve core, 52 parts of 4 parts of spring, 52 parts of 5 parts of sealing ring, 52 parts of 6 parts of snap spring, 52 parts of 52, The device comprises a main shaft 11, a bearing 12, a connecting disc 13, a screw 14 and a driving motor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the present invention provides a water-cooling plunger type multistage compressor and a valve actuating mechanism thereof, which is characterized in that: the device comprises a high-pressure exhaust pipe 1, a water-cooled shell 2, an interstage gas distribution mechanism 3, a low-pressure gas suction pipe 4, a cylinder block group 5, a secondary compression plunger 6, a primary compression plunger 7, a connecting rod 8, a swash plate 9, a main shaft 10, a bearing 11, a connecting disc 12, a screw 13 and a driving motor 14; the motor 14 is connected with the connecting disc 12 through a screw 13 and is connected with the water-cooling shell 2 through the connecting disc 12; the water-cooling shell 2 is provided with a high-pressure exhaust pipeline mounting port 2-1, an air suction pipeline mounting port 2-2, a cooling water inlet 2-3 and a cooling water return port 2-4, wherein the high-pressure exhaust pipeline mounting port 2-1 is arranged at the bottom end of the four-stage compression cylinder 5-4, the air suction pipeline mounting port 2-2 is arranged at the bottom end of the first-stage compression cylinder 5-1, the cooling water inlet 2-3 is connected with a cooling water inlet pipe, and the cooling water return port 2-4 is connected with a cooling water outlet and is arranged on the water-cooling shell 2.
As shown in fig. 3 and 4, the cylinder block group 5 is arranged in the water-cooling shell 2, the cylinder block group 5 comprises a plurality of compression cylinder blocks, a plurality of interstage gas distribution mechanisms 3 are arranged in a plurality of compression cylinder block supports and are connected with each other, the cylinder block group 5 extends out of the water-cooling shell 2 through a high-pressure exhaust pipe 1 and a low-pressure air suction pipe 4 respectively, concretely, the cylinder block group 5 comprises a cylinder block base 5-10 which is of a circular structure and is matched with the cross section of the water-cooling shell 2, a first-stage compression cylinder block 5-1, a second-stage compression cylinder block 5-2, a third-stage compression cylinder block 5-3 and a fourth-stage compression cylinder block 5-4 are arranged on the cylinder block base 5-10 respectively, the interstage gas distribution mechanism 3 comprises a connecting pipeline II 5-8 arranged between the second-stage compression cylinder block 5-2 and the third-stage compression cylinder block, a connecting pipeline III 5-9 is arranged between the third-stage compression cylinder 5-3 and the fourth-stage compression cylinder 5-4, a high-pressure exhaust pipeline 5-6 is arranged at an exhaust port of the fourth-stage compression cylinder, a low-pressure air suction pipeline 5-5 is arranged at an air suction port of the first-stage compression cylinder, and two pipeline structures on the first-stage compression cylinder 5-1, the second-stage compression cylinder 5-2, the third-stage compression cylinder 5-3 and the fourth-stage compression cylinder 5-4 are all provided with embedded gas distribution one-way valves; the gas distribution one-way valve comprises two spring valves which are oppositely arranged in a one-way valve shell 52-8, two step holes with opposite directions are oppositely arranged in the valve shell 52-8, the spring valves are reversely arranged in the two step holes, the spring valves comprise gas distribution valve shells 52-2, the gas distribution valve shells 52-2 are provided with external threads to realize the threaded connection of the gas distribution valve and the shells, conical gas distribution valve cores 52-3 are arranged in the gas distribution valve shells 52-2 through springs 52-4, the gas distribution valve cores 52-3 are sealed through conical surfaces, inner hexagonal holes 52-1 are arranged at conical heads of the conical gas distribution valve cores 52-3, the springs 52-4 realize the positioning and the resetting of the cores so as to improve the efficiency of the air compressor, a sealing ring 52-5 and a clamping spring 52-6 are arranged between the tail ends of the springs 52-4 and the gas distribution valve, an exhaust port 52-7 is arranged at the rear part of the air distribution valve shell 52-2, the spring is supported by the clamp spring 52-6, and the end face of the sealing ring 52-5 is sealed by filling. The vent 52-7 enables the removal of compressed gas.
The two-stage compression cylinder 5-2 is internally provided with a matched two-stage compression plunger 6, the one-stage compression cylinder 5-1 is internally provided with a matched one-stage compression plunger 7, the pressures of the compression stages of the one-stage compression plunger 7 and the two-stage compression plunger 6 are different, the pressure is determined according to the gas pressure ratio, the tail ends of the one-stage compression plunger 7 and the two-stage compression plunger 6 are both connected with a flow distribution swash plate 9 of a driving swash plate structure through a connecting rod 8, the flow distribution swash plate 9 is connected with the end periphery of a bearing 11 through a main shaft 10, the outer ring of the bearing 11 is connected with an inner hole of a connecting disc 12, and the output shaft of a motor 14 and the rotary motion. According to the requirement, a cavity structure can be formed by plugging the three-stage compression cylinder 5-3 and the four-stage compression cylinder 5-4, a compression plunger matched with the structure can be arranged in the cavity structure, the tail end of the compression plunger is connected with a flow distribution swash plate 9 driving the swash plate structure through a connecting rod 8, the volumes of the first-stage compression cylinder 5-1, the second-stage compression cylinder 5-2, the three-stage compression cylinder 5-3 and the four-stage compression cylinder 5-4 are sequentially reduced, and the volume proportion is designed according to the requirement.
The left end cover of the air compressor is provided with a water-cooling shell 2, cooling water is filled in the water-cooling shell, and a gas distribution pipeline is arranged on each stage of compression cylinder body on the left end face of the cylinder body 5, so that the circulation of gas among multi-stage compression is realized, the mechanical manufacturing cost is reduced, and the contact area with the cooling water is increased.
A water-cooling plunger type multistage compressor and a working method of a valve mechanism thereof comprise the following steps:
a driving motor 14 is started to rotate to drive a main shaft 10 to rotate, the main shaft 10 drives a connected swash plate 9 to swing, the swash plate 9 swings to drive a connecting section of a connecting rod 8 to drive a first-stage compression plunger 7 and a second-stage compression plunger 6 to move, and the swing of the swash plate 9 is converted into the reciprocating motion of the first-stage compression plunger 7 and the second-stage compression plunger 6 in a corresponding cylinder 5;
the first-stage compression plunger 7 and the second-stage compression plunger 6 move in the corresponding cylinder 5 to reciprocate to realize the volume change of the closed volume between the plungers and the cylinder, and the air suction and exhaust are realized through the air distribution one-way valve to realize the compression function; and cooling liquid is introduced into the water-cooled shell 12 to cool the cylinder body.
When the water-cooling plunger type multistage compressor and the air distribution mechanism thereof work, cooling water flows in from the water inlet of the cooling shell and flows out from the water outlet, and the compression cylinder body and the air distribution pipeline are cooled in the cooling shell, so that heat exchange is realized.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. A water-cooled plunger type multistage compressor is characterized in that: the device comprises a high-pressure exhaust pipe (1), a water-cooling shell (2), an interstage gas distribution mechanism (3), a low-pressure air suction pipe (4), a cylinder block group (5), a secondary compression plunger (6), a primary compression plunger (7), a connecting rod (8), a swash plate (9), a main shaft (10), a bearing (11), a connecting disc (12), a screw (13) and a driving motor (14); the motor (14) is connected with the connecting disc (12) through a screw (13) and is connected with the water-cooling shell (2) through the connecting disc (12);
wherein the cylinder body group (5) is arranged in the water cooling shell (2), the cylinder body group (5) comprises a plurality of compression cylinder bodies, interstage gas distribution mechanisms (3) are arranged in a plurality of compression cylinder body supports and are connected with each other, the cylinder body group (5) extends out of the water cooling shell (2) through a high-pressure exhaust pipe (1) and a low-pressure air suction pipe (4), concretely, the cylinder body group (5) comprises cylinder body bases (5-10) which are of a circular structure and are matched with the cross section of the water cooling shell (2), first-stage compression cylinder bodies (5-1), second-stage compression cylinder bodies (5-2), third-stage compression cylinder bodies (5-3) and fourth-stage compression cylinder bodies (5-4) are arranged on the cylinder body bases (5-10), the interstage gas distribution mechanisms (3) comprise second-stage compression cylinder bodies (5-2) and third-stage compression cylinder bodies (5-3), and, a connecting pipeline I (5-7) is arranged between the first-stage compression cylinder body (5-1) and the second-stage compression cylinder body (5-2), a connecting pipeline III (5-9) is arranged between the third-stage compression cylinder body (5-3) and the fourth-stage compression cylinder body (5-4), a high-pressure exhaust pipeline (5-6) is arranged at an exhaust port of the fourth-stage compression cylinder body, a low-pressure air suction pipeline (5-5) is arranged at an air suction port of the first-stage compression cylinder body, and two pipeline structures on the first-stage compression cylinder body (5-1), the second-stage compression cylinder body (5-2), the third-stage compression cylinder body (5-3) and the fourth-stage compression cylinder body (5-4);
the improved air compressor is characterized in that matched second-stage compression plungers (6) are arranged in the second-stage compression cylinder body (5-2), matched first-stage compression plungers (7) are arranged in the first-stage compression cylinder body (5-1), the pressures of the compression stages of the first-stage compression plungers (7) and the second-stage compression plungers (6) are different, the air compressor is determined according to the gas pressure ratio, the tail ends of the first-stage compression plungers (7) and the second-stage compression plungers (6) are connected with a flow distribution swash plate (9) of a driving swash plate structure through connecting rods (8), the flow distribution swash plate (9) is connected with the end periphery of a bearing (11) through a main shaft (10), the outer ring of the bearing (11) is connected with an inner hole of a connecting disc (12), and the output shaft of a motor (14) and the rotary motion driving swash.
2. The water-cooled plunger type multistage compressor as claimed in claim 1, wherein: according to the requirements, a cavity structure can be formed by plugging the three-stage compression cylinder body (5-3) and the four-stage compression cylinder body (5-4), or a compression plunger matched with the structure is arranged in the three-stage compression cylinder body, the tail end of the compression plunger is connected with a flow distribution swash plate (9) driving the swash plate structure through a connecting rod (8), the volumes of the first-stage compression cylinder body (5-1), the second-stage compression cylinder body (5-2), the three-stage compression cylinder body (5-3) and the four-stage compression cylinder body (5-4) are sequentially reduced, and the volume proportion is designed according to the requirements.
3. The water-cooled plunger type multistage compressor as claimed in claim 1, wherein: the water-cooling shell (2) is provided with a high-pressure exhaust pipeline mounting port (2-1), an air suction pipeline mounting port (2-2), a cooling water inlet (2-3) and a cooling water backflow port (2-4), wherein the high-pressure exhaust pipeline mounting port (2-1) is arranged at the bottom end of the four-stage compression cylinder body (5-4), the air suction pipeline mounting port (2-2) is arranged at the bottom end of the one-stage compression cylinder body (5-1), the cooling water inlet (2-3) is connected with the cooling water inlet pipe, and the cooling water backflow port (2-4) is connected with the cooling water outlet and is arranged on the water-cooling shell (2).
4. The water-cooled plunger type multistage compressor as claimed in claim 1, wherein: the air distribution one-way valve comprises two spring valves which are oppositely arranged in a one-way valve shell (52-8), two step holes in opposite directions are oppositely arranged in the valve shell (52-8), the spring valves are reversely arranged in two step spaces, each spring valve comprises an air distribution valve shell (52-2), each air distribution valve shell (52-2) is provided with an external thread to realize threaded connection of an air distribution valve and the corresponding shell, a conical air distribution valve core (52-3) is arranged in each air distribution valve shell (52-2) through a spring (52-4), the air distribution valve core (52-3) is sealed through a conical surface, an inner hexagonal hole (52-1) is formed in the conical head of each conical air distribution valve core (52-3), the springs (52-4) realize positioning and resetting of the cores, and therefore the efficiency of the air compressor is improved, a sealing ring (52-5) and a clamping ring are arranged between the tail ends of the springs (52-4) and the The gas distribution valve is characterized in that an exhaust port (52-7) is formed in the rear of the spring (52-6) and the gas distribution valve shell (52-2), the spring (52-6) supports the spring, the sealing ring (52-5) achieves end face packing sealing, and the exhaust port (52-7) achieves removal of compressed gas.
5. The water-cooled plunger type multistage compressor as claimed in claim 1, wherein: a left end cover of the air compressor is provided with a water-cooling shell (2), and cooling water is filled in the water-cooling shell.
6. The water-cooled plunger type multistage compressor as claimed in claim 1, wherein: the gas distribution pipeline is installed on each stage of compression cylinder body on the left end face of the cylinder body group (5), so that gas circulation among multi-stage compression is realized, the mechanical manufacturing cost is reduced, and the contact area with cooling water is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477082.XU CN211692739U (en) | 2019-12-31 | 2019-12-31 | Water-cooling plunger type multistage compressor and valve actuating mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477082.XU CN211692739U (en) | 2019-12-31 | 2019-12-31 | Water-cooling plunger type multistage compressor and valve actuating mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN211692739U true CN211692739U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477082.XU Active CN211692739U (en) | 2019-12-31 | 2019-12-31 | Water-cooling plunger type multistage compressor and valve actuating mechanism thereof |
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| Country | Link |
|---|---|
| CN (1) | CN211692739U (en) |
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- 2019-12-31 CN CN201922477082.XU patent/CN211692739U/en active Active
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