CN109058071B - Surrounding type counterweight device for compressor piston - Google Patents
Surrounding type counterweight device for compressor piston Download PDFInfo
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- CN109058071B CN109058071B CN201810683669.3A CN201810683669A CN109058071B CN 109058071 B CN109058071 B CN 109058071B CN 201810683669 A CN201810683669 A CN 201810683669A CN 109058071 B CN109058071 B CN 109058071B
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- blind hole
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- spread groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
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- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention relates to the technical field of compressor parts, in particular to a surrounding type counterweight device for a compressor piston. According to the surrounding type counterweight device for the compressor piston, the central counterweight hole is formed in the piston body and positioned at the periphery of the central connecting hole, the lead powder with the internal counterweight is stored in an isolated manner by the aid of the longitudinal sealing blind holes formed in the outer side wall of the central counterweight hole, so that the lead powder can be stored as required, the storage positions and the quantity can be adjusted freely, the mass of each row of pistons is balanced, reciprocating inertia force is balanced, and stable operation of the compressor is guaranteed.
Description
Technical Field
The invention relates to the technical field of compressor parts, in particular to a surrounding type counterweight device for a compressor piston.
Background
The compressor is a general machine for increasing the pressure of various gases, and is one of the most extensive products in the mechanical industry. The power plant is widely applied in many departments of national economy, and almost extends to many fields of industry, agriculture, transportation, medical treatment and health, national defense, scientific research and even people's life, and is indispensable power equipment particularly in the aspects of chemical industry, synthesis, coal, petroleum, building construction, ocean engineering and the like. The piston is a main part of a piston compressor and cooperates with the cylinder to form a compression volume. The quality of the piston design is strongly related to the performance of the compressor. The materials commonly used for processing the piston include cast aluminum alloy, gray cast iron, steel materials and the like.
The weight of the piston is designed to be light to reduce the reciprocating inertia force. The mass balance of each row of pistons of the compressors with more than two rows of pistons should be balanced as much as possible according to the principle of inertia force balance. In the design of the compressor piston, the low-pressure stage piston with a larger diameter generally adopts cast aluminum to reduce the mass, and the high-pressure stage piston has a mass close to that of the low-pressure stage piston to achieve the aim of balancing reciprocating inertia force, so that the compressor can stably and reliably operate. However, sometimes, because the cylinder diameter of the low-pressure stage is large and the piston mass is heavy, and the cylinder diameter of the high-pressure stage is small, the piston of the high-pressure stage is difficult to reach the mass of the piston of the low-pressure stage, so that the masses of the pistons of the rows are unbalanced, and the risk that the compressor cannot run stably exists.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background art, an improved surrounding type counterweight device for a compressor piston is provided, and the problems that the piston at the current high-pressure stage is difficult to reach the mass of the piston at the low-pressure stage, so that the masses of all rows of pistons are unbalanced, and the risk that the compressor cannot run stably is solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a surrounding type counter weight device for compressor piston, includes the piston body, the inside central point of piston body put and transversely run through and offer the central connecting hole that is used for installing the piston rod, piston body left side wall be located central connecting hole periphery and seted up the annular left side and put the spread groove, piston body right side wall be located central connecting hole periphery and seted up the annular right side and put the spread groove, the inside left side that is located of piston body put the spread groove and put the central counterweight hole of seting up and being used for communicateing left side spread groove and right side spread groove between the spread groove, central counterweight hole outside arcwall go up from a left side to the right side and seted up upper left longitudinal seal blind hole, middle and upper longitudinal seal blind hole, upper right longitudinal seal blind hole, lower left longitudinal seal blind hole, middle and lower longitudinal seal blind hole and lower right longitudinal seal blind hole, upper left longitudinal seal blind hole, The middle-upper longitudinal sealed blind hole, the upper right longitudinal sealed blind hole, the left lower longitudinal sealed blind hole, the middle-lower longitudinal sealed blind hole and the right lower longitudinal sealed blind hole are connected with a sealed isolating plate for separating the inner cavity of the central counterweight hole, the outer side wall of the piston body is provided with a left upper longitudinal sealed blind hole, a middle-upper longitudinal sealed blind hole, a right upper longitudinal sealed blind hole, a left lower longitudinal sealed blind hole, a middle-lower longitudinal sealed blind hole and a right lower longitudinal sealed blind hole, which are all provided with an internal thread adjusting through hole for an internal hexagonal screw rod, the internal hexagonal screw rod is movably connected with the corresponding sealed isolating plate through the screw in internal thread adjusting through hole, and the central counterweight hole is filled with lead for counterweight.
Furthermore, the radian of the inner side arc surface of the sealing isolation plate is the same as that of the inner side arc surface of the central weight port.
Furthermore, the upper left longitudinal sealing blind hole, the upper middle longitudinal sealing blind hole, the upper right longitudinal sealing blind hole, the lower left longitudinal sealing blind hole, the lower middle longitudinal sealing blind hole and the lower right longitudinal sealing blind hole are the same in size.
Furthermore, the left connecting groove and the right connecting groove are the same in size, and the inside of the left connecting groove and the inside of the right connecting groove are in threaded connection with lateral plugs for closing openings at two ends of the central counterweight hole.
The surrounding type counterweight device for the compressor piston has the advantages that the central counterweight hole is formed in the piston body and positioned on the periphery of the central connecting hole, the vertical sealing blind hole with the built-in sealing partition plate is formed in the outer side wall of the central counterweight hole to store the internal counterweight lead powder in an isolated mode, the lead powder can be stored according to needs, the storage position and the storage quantity are more freely adjustable, the mass of each row of pistons are balanced, the reciprocating inertia force is balanced, and the stable operation of the compressor is guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
In the drawing, 1, a piston body, 2, a central connecting hole, 3, a left connecting groove, 4, a right connecting groove, 5, a central counterweight hole, 6, a left upper longitudinal sealing blind hole, 7, an upper middle longitudinal sealing blind hole, 8, a right upper longitudinal sealing blind hole, 9, a left lower longitudinal sealing blind hole, 10, a middle lower longitudinal sealing blind hole, 11, a right lower longitudinal sealing blind hole, 12, a sealing isolation plate, 13, an inner hexagonal screw, 14, an inner thread adjusting through hole, 15, lead and 16, a lateral plug are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The surrounding type counterweight device for the compressor piston shown in the figures 1 and 2 comprises a piston body 1, a central connecting hole 2 for installing a piston rod is transversely arranged in the center of the interior of the piston body 1 in a penetrating manner, an annular left connecting groove 3 is arranged on the left side wall of the piston body 1 and positioned on the periphery of the central connecting hole 2, an annular right connecting groove 4 is arranged on the right side wall of the piston body 1 and positioned on the periphery of the central connecting hole 2, a central counterweight hole 5 for communicating the left connecting groove 3 with the right connecting groove 4 is arranged between the left connecting groove 3 and the right connecting groove 4 in the interior of the piston body 1, an upper left longitudinal sealing blind hole 6, an upper middle longitudinal sealing blind hole 7, an upper right longitudinal sealing blind hole 8, a lower left longitudinal sealing blind hole 9, a lower middle longitudinal sealing blind hole 10 and a lower right longitudinal sealing blind hole 11 are respectively arranged on the outer arc surface of the central counterweight hole 5 from left to, the piston comprises a left upper longitudinal sealing blind hole 6, a middle upper longitudinal sealing blind hole 7, a right upper longitudinal sealing blind hole 8, a left lower longitudinal sealing blind hole 9, a middle lower longitudinal sealing blind hole 10 and a right lower longitudinal sealing blind hole 11, wherein the interiors of the left upper longitudinal sealing blind hole and the right lower longitudinal sealing blind hole are respectively connected with a sealing isolation plate 12 used for separating an inner cavity of a central counterweight hole 5 in a sliding mode, internal thread adjusting through holes 14 with internal hexagonal screws 13 are formed in the positions, corresponding to the left upper longitudinal sealing blind hole 6, the middle upper longitudinal sealing blind hole 7, the right upper longitudinal sealing blind hole 8, the left lower longitudinal sealing blind hole 9, the middle lower longitudinal sealing blind hole 10 and the right lower longitudinal sealing blind hole 11, of the outer side wall of a piston body 1, the internal hexagonal screws 13 are movably connected with the sealing isolation plates 12 in the corresponding positions through screwing in the internal thread adjusting through holes 14.
Furthermore, the radian of the inner side arc surface of the sealing isolation plate 12 is the same as that of the inner side arc surface of the central counterweight hole 5, further, the size of the upper left longitudinal sealing blind hole 6, the size of the upper middle longitudinal sealing blind hole 7, the size of the upper right longitudinal sealing blind hole 8, the size of the lower left longitudinal sealing blind hole 9, the size of the lower middle longitudinal sealing blind hole 10 and the size of the lower right longitudinal sealing blind hole 11 are the same, further, the size of the left connecting groove 3 is the same as that of the right connecting groove 4, and the insides of the left connecting groove 3 and the right connecting groove 4 are both in threaded connection with lateral plugs 16 for closing openings at two ends of the central counterweight hole 5, the surrounding counterweight device for the compressor piston is provided with the central counterweight hole 5 at the periphery of the central connecting hole 2 inside the piston body 1, and the longitudinal sealing blind holes of the sealing isolation plate 12 are arranged on the outer side wall of the central counterweight hole 5 to isolate and, lead powder can be stored according to needs, and the storage position and the number can be adjusted more freely, so that the mass of each row of pistons is balanced, the reciprocating inertia force is balanced, and the stable operation of the compressor is ensured.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A wrap around counterweight device for a compressor piston, comprising a piston body (1), characterized in that: piston body (1) inside central point put and transversely run through central connecting hole (2) of seting up being used for installing the piston rod, piston body (1) left side wall be located central connecting hole (2) periphery and seted up the annular and put spread groove (3) on the left side, piston body (1) right side wall be located central connecting hole (2) periphery and seted up the annular and put spread groove (4) on the right side, piston body (1) inside be located left side and put spread groove (3) and put spread groove (4) on the right side and offer central counterweight hole (5) that are used for communicateing left side and put spread groove (3) and put spread groove (4) on the right side, central counterweight hole (5) outside arcwall on from a left side turn right respectively seted up on the left side indulge put sealed blind hole (6), well upper and indulge and put sealed blind hole (7), the upper right side and indulge sealed blind hole (8), indu, Indulge under in and put sealed blind hole (10) and the right side and indulge and put sealed blind hole (11), the upper left indulge and put sealed blind hole (6), well upper middle indulge and put sealed blind hole (7), the upper right indulge and put sealed blind hole (8), indulge under the left side and put sealed blind hole (9), well under indulge and put sealed blind hole (10) and the right side under and indulge sealed blind hole (11) inside equal sliding connection have and be used for separating sealed division board (12) of central counterweight hole (5) inner chamber, piston body (1) lateral wall on correspond the upper left indulge and put sealed blind hole (6), well upper middle vertical put sealed blind hole (7), the upper right indulge and put sealed blind hole (8), indulge under the left side and put sealed blind hole (9), well under indulge and put sealed blind hole (10) and the right side under and indulge and put internal thread adjusting through hole (14) that the position built-in hexagonal screw rod (13) had all been seted up, internal thread adjusting The central weight hole (5) is filled with lead (15) for weight balance;
put spread groove (3) on a left side and put spread groove (4) on the right side the size the same, the left side put spread groove (3) and put spread groove (4) on the right side inside equal threaded connection have be used for closed central balance weight hole (5) both ends open-ended side direction end cap (16).
2. The wraparound weight device for a compressor piston as set forth in claim 1, wherein: the radian of the inner side arc surface of the sealing isolation plate (12) is the same as that of the inner side arc surface of the central weight port (5).
3. The wraparound weight device for a compressor piston as set forth in claim 1, wherein: the left upper longitudinal sealing blind hole (6), the middle upper longitudinal sealing blind hole (7), the right upper longitudinal sealing blind hole (8), the left lower longitudinal sealing blind hole (9), the middle lower longitudinal sealing blind hole (10) and the right lower longitudinal sealing blind hole (11) are the same in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683669.3A CN109058071B (en) | 2018-06-28 | 2018-06-28 | Surrounding type counterweight device for compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683669.3A CN109058071B (en) | 2018-06-28 | 2018-06-28 | Surrounding type counterweight device for compressor piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109058071A CN109058071A (en) | 2018-12-21 |
| CN109058071B true CN109058071B (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810683669.3A Active CN109058071B (en) | 2018-06-28 | 2018-06-28 | Surrounding type counterweight device for compressor piston |
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| CN (1) | CN109058071B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761852B (en) * | 2020-06-08 | 2021-08-10 | 西安交通大学 | Novel lightweight complete dynamic balance mode and device for double-shaft four-point high-speed press |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04284190A (en) * | 1991-03-12 | 1992-10-08 | Matsushita Refrig Co Ltd | Sealed type reciprocating compressor |
| CN201133336Y (en) * | 2007-09-28 | 2008-10-15 | 王宏斌 | Compressor piston possessing spring support and guiding piece |
| CN201679680U (en) * | 2010-05-20 | 2010-12-22 | 扎努西电气机械天津压缩机有限公司 | Piston of compressor for refrigerator |
| CN206397690U (en) * | 2017-01-05 | 2017-08-11 | 浙江强盛压缩机制造有限公司 | A kind of split type balancing weight of compressor |
| CN107575361A (en) * | 2017-09-28 | 2018-01-12 | 蚌埠高科能源装备有限公司 | It is a kind of to balance the compressor piston for moving back and forth inertia force |
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| CN109058071A (en) | 2018-12-21 |
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