CN111810381A - A carbon dioxide refrigeration compressor - Google Patents

Abstract

The invention relates to the technical field of carbon dioxide refrigerating compressors, and discloses a carbon dioxide refrigerating compressor, comprising a damping mechanism, a detachable mounting plate is installed inside the top of the damping mechanism, and the top of the mounting plate is provided with five countersunk holes , the compressor main body is installed in the middle position of the top of the mounting plate, the top of the compressor main body is provided with a first air inlet, the outer side of the compressor main body is welded and connected with a first fixed ring, and both sides of the first fixed ring are welded A second fixed ring is connected, the inside of the two second fixed rings is inserted with a liquid separator, and the top of the two liquid separators is provided with a second air inlet. Through a series of structural designs, the present invention can effectively reduce the loosening of the screws used to fix the device and the mounting frame due to the vibration force generated by the device during operation, so as to effectively reduce the separation of the device from the interior of the mounting rack. The situation occurs, so that the service life of the device can be greatly improved.

Description

A carbon dioxide refrigeration compressor

technical field

The invention relates to the technical field of carbon dioxide refrigeration compressors, in particular to a carbon dioxide refrigeration compressor.

Background technique

The carbon dioxide compressor refers to the compressor used to pressurize and transport carbon dioxide gas, mainly used in urea synthesis equipment. On the frame, the connection between the compressor feet and the bottom plate has high rigidity, and the compressor will generate large vibrations during operation. The vibration amplitude will cause the fixing bolts on the feet to fall off from the bottom plate or the frame, resulting in unstable installation and easy compression. machine is damaged.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings existing in the prior art, such as: and the compressor will generate a large vibration during operation, and the vibration amplitude will cause the fixing bolts on the feet to fall off from the bottom plate or the frame, resulting in unstable installation. , it is easy to cause damage to the compressor.

In order to achieve the above object, the present invention adopts the following technical solutions:

A carbon dioxide refrigeration compressor includes a damping mechanism, a detachable mounting plate is installed inside the top of the damping mechanism, the top of the mounting plate is provided with five countersunk holes, and the middle position of the top of the mounting plate is A compressor main body is installed, the top of the compressor main body is provided with a first air inlet, the outer side of the compressor main body is welded and connected with a first fixed ring, and both sides of the first fixed ring are welded and connected There is a second fixed ring, the inside of the two second fixed rings is inserted with a liquid separator, the top of the two liquid separators are provided with a second air inlet, and the two liquid separators are provided with a second air inlet. The bottom ends of the compressors are welded and connected with air pipes, and the bottom ends of the compressor main body are welded and connected with four connecting pieces.

Preferably, the shock absorbing mechanism includes a shock absorbing bottom case, a damping shock absorber, a shock absorber and an installation inner cavity, an installation cavity is opened inside the shock absorbing bottom case, and a bottom end of the installation cavity is provided with an inner cavity. A detachable shock absorber is installed in the middle position, and a detachable damping shock absorber is installed at the bottom end inside the installation cavity and at the four end corners of the shock absorber.

Preferably, the shock absorber includes a cover plate, a damping cylinder, an air outlet, an air cushion, a damping cover and an air chamber, an air chamber is installed at the center of the top of the cover plate, and an air outlet is opened on one side of the air chamber The top of the air chamber is provided with an air cushion, the four end corners of the cover plate are provided with damping cylinders, and the top of the damping cylinder is provided with a damping cover.

Preferably, the damping shock absorber includes a bolt, an iron sheet, a lower layer connecting ring, a spring and an upper layer connecting ring, the middle position of the top end of the iron sheet is welded and connected with the lower layer connecting ring, and the inner part of the lower layer connecting ring is sleeved There is a spring, the top end of the spring is sleeved with an upper layer connecting ring, and the top end of the upper layer connecting ring is welded and connected with a bolt.

Preferably, both ends of the iron sheet are provided with first circular through holes.

Preferably, the inner diameter of the installation inner cavity is the same as the outer diameter of the compressor main body, and the installation inner cavity is in clearance fit with the compressor main body.

Preferably, three second circular through holes are opened on both sides of the shock-absorbing bottom case.

Preferably, the inner diameters of the first fixed ring and the two second fixed rings are respectively the same as the outer diameters of the compressor body and the two liquid separators, and the first fixed ring and the two second fixed rings The annular rings are clearance fit with the compressor body and the two liquid distributors respectively.

Preferably, a plurality of internally threaded holes are opened at the bottom end inside the mounting cavity.

Compared with the prior art, the beneficial effects of the present invention are:

(1) During the installation of the present invention, the four damping shock absorbers are first installed on the four end corners inside the installation cavity by using screws to pass through round holes on both sides of their lower ends, and then the shock absorbers are installed with screws. Install it in the middle of the installation cavity, and then install the installation plate inside the installation cavity, so that the five countersunk holes opened on the surface of the compressor body are also connected to the top of four damping shock absorbers and one shock absorber respectively. Correspondingly, fix the compressor main body with nuts, then fix the compressor main body and the two liquid separators by welding, and then use screws to penetrate the four connecting pieces at the bottom of the compressor main body to fix it on the compressor body. At the top of the mounting plate, the increase of the damping mechanism prevents the device from loosening the screws used to fix the device and the mounting frame due to the vibration generated by the compressor body during operation, thus effectively preventing the device from being removed from the mounting frame. of internal detachment occurs.

(2) When the present invention is in use, the main body of the compressor will generate a huge vibration force when working, and the vibration can be effectively buffered by the damping shock absorber and the shock absorber installed inside the shock absorbing mechanism, and the shock absorber adopts The pneumatic anti-vibration device, combined with the design of the hydraulic damping cylinder, can effectively eliminate the impact vibration and meet the highest speed impact; the design with low natural frequency value has good anti-vibration effect, good weather resistance and long service life, while the damping shock absorber It has the dual advantages of low frequency and large damping of the steel spring shock absorber, and eliminates the inherent resonance amplitude phenomenon of the steel spring, thereby effectively reducing the vibration force generated by the device during operation, thereby effectively improving the use of the device. life.

Description of drawings

Fig. 1 is the schematic diagram of the overall structure of the present invention;

Fig. 2 is the front view of the overall structure of the present invention;

3 is a schematic diagram of the internal structure of the damping mechanism of the present invention;

4 is a schematic structural diagram of a shock absorber of the present invention;

FIG. 5 is a schematic structural diagram of the damping shock absorber of the present invention.

In the figure: 1. Damping mechanism; 2. Mounting plate; 3. Main body of compressor; 4. First fixing ring; 5. Air pipe; 6. Second fixing ring; 7. Second air inlet; 8. The first air inlet; 9. Connecting piece; 10. Dispenser; 11. Damping bottom shell; 12. Damping shock absorber; 13. Shock absorber; 14. Installation cavity; 15. Countersunk head hole; 16 , bolt; 17, cover plate; 18, damping cylinder; 19, air outlet; 20, air cushion; 21, damping cover; 22, air chamber; 23, iron sheet; 24, lower connecting ring; 25, spring; 26, upper layer Connecting ring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

1-5, a carbon dioxide refrigeration compressor includes a damping mechanism 1, the damping mechanism 1 includes a damping bottom case 11, a damping shock absorber 12, a shock absorber 13 and an installation cavity 14, and the shock absorbing bottom Both sides of the shell 11 are provided with three second circular through holes, so that the device can be easily installed in the interior where the device needs to be used. The interior of the shock-absorbing bottom shell 11 is provided with an installation cavity 14, and the installation cavity 14 is provided with an inner cavity 14. The inner diameter is the same as the outer diameter of the compressor main body 3, and the installation inner cavity 14 is in clearance fit with the compressor main body 3, so that the compressor main body 3 can be conveniently installed inside the shock-absorbing bottom shell 11;

A detachable shock absorber 13 is installed at the middle position of the inner bottom end of the installation cavity 14. The shock absorber 13 includes a cover plate 17, a damping cylinder 18, an air outlet 19, an air cushion 20, a damping cover 21 and an air chamber 22, and the cover plate 17 An air chamber 22 is installed at the center of the top end, an air outlet 19 is provided on one side of the air chamber 22, an air cushion 20 is installed at the top of the air chamber 22, and a damping cylinder 18 is installed on the four end corners of the cover plate 17. The damping cylinder 18 A damping cover 21 is installed on the top end of the device, so that the shock absorber 13 can reduce the vibration force generated by the device during operation;

Removable damping shock absorbers 12 are installed at the bottom end of the interior cavity 14 and located at the four end corners of the shock absorber 13, so that the device can reduce the vibration generated by the device during operation, thereby reducing the vibration amplitude, Further, the screws can be effectively prevented from falling off from the inside of the frame. The damping shock absorber 12 includes a bolt 16, an iron sheet 23, a lower connecting ring 24, a spring 25 and an upper connecting ring 26. Both ends of the iron sheet 23 are provided with a first circle. shaped through holes, so that the damping shock absorber 12 can be easily installed inside the shock absorbing bottom shell 11;

The middle position of the top of the iron sheet 23 is welded and connected with a lower connecting ring 24, a spring 25 is sleeved inside the lower connecting ring 24, an upper connecting ring 26 is sleeved at the top of the spring 25, and a bolt 16 is welded and connected to the top of the upper connecting ring 26. , so that the damping shock absorber 12 can effectively reduce the vibration force generated by the device during operation;

A detachable mounting plate 2 is installed inside the top of the damping mechanism 1 , and five countersunk holes 15 are opened at the top of the mounting plate 2 . A first air inlet 8 is opened, a first fixed ring 4 is welded and connected to the outside of the compressor body 3, and both sides of the first fixed ring 4 are welded to a second fixed ring 6, and two second fixed rings 6 are welded. The inside of the ring 6 is plugged with the dispenser 10, and the bottom end of the mounting cavity 14 is provided with a plurality of internal threaded holes, so that the shock absorber 13 and the four damping shock absorbers 12 can be easily installed on the shock absorber. The interior of the bottom case 11 can effectively reduce the shock force generated by the device during use;

The inner diameters of the first fixed ring 4 and the two second fixed rings 6 are the same as the outer diameters of the compressor main body 3 and the two liquid separators 10 respectively. The first fixed ring 4 and the two second fixed rings 6 are clearance fit with the compressor main body 3 and the two liquid separators 10 respectively, so that the two liquid separators 10 and the compressor main body 3 can be connected as a whole, so that the structure of the device is more sturdy. The two liquid separators 10 The top ends of the compressors are provided with a second air inlet 7 , the bottom ends of the two liquid separators 10 are welded with gas pipes 5 , and the bottom ends of the compressor main body 3 are welded and connected with four connecting pieces 9 .

working principle:

In the present invention, when the user uses the device, the four damping shock absorbers 12 are firstly installed at the four end corners inside the installation cavity 14 by using the screws to pass through the round holes on both sides of the lower end thereof, and then use the screws The shock absorber 13 is installed in the middle position inside the installation cavity 14, and then the installation plate 2 is installed inside the installation cavity 14, so that the five countersunk holes 15 opened on the surface of the compressor main body 3 are also connected to the four dampers respectively. The shock absorber 12 corresponds to the top of a shock absorber 13, and then the compressor main body 3 is fixed with a nut, and the compressor main body 3 and the two liquid distributors 10 are fixed by welding. The screws pass through the four connecting pieces 9 at the bottom of the compressor body 3 to fix it on the top of the mounting plate 2. The increase of the shock absorber mechanism 1 makes the device not use it due to the vibration generated by the compressor body 3 during operation. The screws of the fixing device and the mounting rack are loosened, so that the device can be effectively prevented from being detached from the interior of the mounting rack. When in use, the compressor main body 3 will generate a huge vibration force when it is working. 1. The internally installed damping shock absorber 12 and shock absorber 13 can effectively buffer the vibration. The shock absorber 13 adopts a pneumatic anti-vibration device and is designed with an oil pressure damping cylinder, which can effectively eliminate shock vibration and meet the highest speed. Shock, designed with low natural frequency value, good anti-vibration effect, good weather resistance and long service life, while damping shock absorber 12 has the dual advantages of low frequency and large damping of steel spring shock absorber, eliminating the inherent resonance of steel spring Therefore, the vibration force generated by the device during operation can be effectively reduced, and the service life of the device can be effectively improved.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Claims (9)

1. A carbon dioxide refrigeration compressor, comprising a damping mechanism (1), characterized in that a detachable mounting plate (2) is installed inside the top of the damping mechanism (1), and the mounting plate (2) There are five countersunk holes (15) at the top of the mounting plate (2), a compressor main body (3) is installed in the middle position of the top of the mounting plate (2), and a first air inlet is opened at the top of the compressor main body (3). (8), a first fixing ring (4) is welded and connected to the outside of the compressor body (3), and a second fixing ring (6) is welded on both sides of the first fixing ring (4). ), a liquid separator (10) is inserted into the interior of the two second fixed rings (6), and the top of the two liquid separators (10) is provided with a second air inlet (7), The bottom ends of the two liquid separators (10) are welded and connected with gas pipes (5), and the bottom ends of the compressor main body (3) are welded and connected with four connecting pieces (9). 2 . A carbon dioxide refrigeration compressor according to claim 1 , wherein the shock absorbing mechanism ( 1 ) comprises a shock absorbing bottom case ( 11 ), a damping shock absorber ( 12 ), a shock absorber ( 13) and an installation inner cavity (14), an installation inner cavity (14) is opened inside the shock-absorbing bottom shell (11), and a detachable shock absorber is installed in the middle position of the inner bottom end of the installation inner cavity (14) A shock absorber (13) is provided, and a detachable damping shock absorber (12) is installed at the bottom end inside the mounting cavity (14) and located at the four end corners of the shock absorber (13). 3 . The carbon dioxide refrigeration compressor according to claim 2 , wherein the shock absorber ( 13 ) comprises a cover plate ( 17 ), a damping cylinder ( 18 ), an air outlet ( 19 ), an air cushion ( 3 . 20), a damping cover (21) and an air chamber (22), an air chamber (22) is installed at the center of the top of the cover plate (17), and an air outlet (19) is opened on one side of the air chamber (22) , an air cushion (20) is installed at the top of the air chamber (22), a damping cylinder (18) is installed at the four end corners of the cover plate (17), and a damping cylinder (18) is installed at the top of the damping cylinder (18). cover (21). 4. A carbon dioxide refrigeration compressor according to claim 2, wherein the damping shock absorber (12) comprises a bolt (16), an iron sheet (23), a lower connecting ring (24), a spring (25) and the upper connecting ring (26), a lower connecting ring (24) is welded and connected at the middle position of the top of the iron sheet (23), and a spring (25) is sleeved inside the lower connecting ring (24), The top end of the spring (25) is sleeved with an upper layer connecting ring (26), and the top end of the upper layer connecting ring (26) is welded and connected with a bolt (16). 5. A carbon dioxide refrigeration compressor according to claim 4, characterized in that, both ends of the iron sheet (23) are provided with first circular through holes. 6. A carbon dioxide refrigeration compressor according to claim 2, characterized in that the inner diameter of the installation inner cavity (14) is the same as the outer diameter of the compressor main body (3), and the installation inner cavity (14) has the same size as the outer diameter of the compressor main body (3). ) is clearance fit with the compressor body (3). 7 . The carbon dioxide refrigeration compressor according to claim 6 , wherein three second circular through holes are opened on both sides of the shock-absorbing bottom case ( 11 ). 8 . 8. A carbon dioxide refrigeration compressor according to claim 1, characterized in that the inner diameters of the first fixed ring (4) and the two second fixed rings (6) are respectively the same as the compressor main body (3). ) and the outer diameters of the two liquid separators (10) are the same, and the first fixed ring (4) and the two second fixed rings (6) are respectively connected with the compressor main body (3) and the two liquid separators. The device (10) has a clearance fit. 9 . The carbon dioxide refrigeration compressor according to claim 2 , characterized in that a plurality of internally threaded holes are provided at the bottom end inside the installation inner cavity ( 14 ). 10 .

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