CN107956812B - Coupling shield of refrigeration compressor - Google Patents
Coupling shield of refrigeration compressor Download PDFInfo
- Publication number
- CN107956812B CN107956812B CN201610896702.1A CN201610896702A CN107956812B CN 107956812 B CN107956812 B CN 107956812B CN 201610896702 A CN201610896702 A CN 201610896702A CN 107956812 B CN107956812 B CN 107956812B
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- shield
- cover
- lower cover
- upper cover
- sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a refrigerating compressor coupling shield which comprises a first sealing O-shaped ring, a refrigerating compressor, a metal expansion joint, a shield upper cover, a shield lower cover, a speed-up gear box, a second sealing O-shaped ring, a positioning pin and a third sealing O-shaped ring; the first sealing O-shaped ring is arranged between the metal expansion joint and the refrigeration compressor; the upper cover of the shield is arranged at the upper end of the lower cover of the shield; the third sealing O-shaped ring is arranged between the metal expansion joint and the upper cover and the lower cover of the protective cover; the second sealing O-shaped ring is arranged between the upper cover of the protective cover, the lower cover of the protective cover and the speed-up gear box; the positioning pin is arranged in the upper end pin hole of the extending circle of the front and back side edges of the upper cover and the lower cover of the protective cover. The invention provides a coupler shield of a refrigeration compressor, which can realize normal disassembly and assembly of a coupler after a refrigeration compressor and a speed-up gear box are respectively installed and positioned, can realize the airtightness of the refrigeration compressor, the speed-up gear box and the coupler shield, and has the advantages of simple structure, easiness in operation, stability, reliability and easiness in installation and maintenance.
Description
Technical Field
The invention relates to a coupler shield, in particular to a coupler shield of a refrigeration compressor.
Background
At present, cold water units are generally adopted in the industries of nuclear power stations, petrifaction, pharmacy, food freezing and refrigeration and the like at home and abroad to realize process flow and environmental control, and a refrigeration compressor is used as the most important equipment in the cold water units and plays a vital role in efficient and reliable operation of the units. With the continuous progress of technology and the oil-free environment demand of industrial users, the hermetic refrigeration compressor has gradually become the mainstream trend. For the closed structure of the refrigeration compressor driven by the speed-up gear, the connected coupler can be installed only after the refrigeration compressor and the speed-up gear box are installed and positioned respectively, and enough operation space must be provided between the refrigeration compressor and the speed-up gear box in the installation process of the coupler alignment. The coupling shield commonly adopted in the field of the existing refrigeration compressor only has the function of safety protection, and cannot meet the requirement of completely having reliable air tightness while having the function of safety protection, so that the units adopting the speed-increasing gearbox with the coupling to drive the refrigeration compressor in the industry at present are all of open structures, and cannot realize the function of a closed structure. This problem has plagued the development and progress of the field as market acceptance of closed units has become more evident.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a refrigerating compressor coupler shield, which can realize that the enclosed refrigerating compressor coupler shield completely has the functional requirement of reliable air tightness under the condition of having the safety protection function, and the structural function of an enclosed refrigerating unit is successfully realized under the structural form that a speed-increasing gear box drives a refrigerating compressor with a coupler.
In order to solve the technical problem, the refrigerating compressor coupling shield is characterized by comprising a first sealing O-shaped ring, a refrigerating compressor, a metal expansion joint, a shield upper cover, a shield lower cover, a speed-up gear box, a second sealing O-shaped ring, a positioning pin and a third sealing O-shaped ring; the first sealing O-shaped ring is arranged between the metal expansion joint and the refrigeration compressor and is fastened through a first mounting bolt; the upper cover of the shield is arranged at the upper end of the lower cover of the shield; the front and rear sides of the semicircular rings of the upper cover and the lower cover of the protective cover are provided with outward extending surfaces, and the outward extending surfaces are provided with linearly arranged threaded through holes; the outer sides of the semicircular extending surfaces at the left side and the right side of the upper cover of the shield are provided with circular grooves; the arrangement screw holes of the outward extending surfaces of the upper cover and the lower cover of the protective cover are provided with fourth mounting bolts and are mutually fastened through second mounting nuts; semicircular extension surfaces are arranged laterally and externally on the left side and the right side of the upper cover and the lower cover of the protective cover, and circular ring arrangement threaded holes are formed in the extension surfaces; the extending surfaces of the front and rear sides of the upper cover and the lower cover of the shield are sealed by sealant; the outer sides of the semicircular extending surfaces at the left side and the right side of the lower cover of the shield are provided with circular grooves; the third sealing O-shaped ring is arranged between the metal expansion joint and the upper cover and the lower cover of the protective cover; the semicircular extending surfaces on the left sides of the upper cover and the lower cover of the protective cover are connected with the metal expansion joint through a second mounting bolt and are fastened through a first mounting nut; the second sealing O-shaped rings are arranged between the upper cover of the protective cover, the lower cover of the protective cover and the speed-up gear box; the semicircular extending surfaces on the right sides of the upper cover and the lower cover of the shield are fastened with the speed-up gear box through a third mounting bolt; the front side extension surface and the rear side extension surface of the upper cover and the lower cover of the protective cover are respectively provided with a pin hole, and the positioning pin is arranged in the pin hole.
Preferably, the upper cover and the lower cover of the protective cover are semicircular penetrating grooves.
Preferably, the positioning pin is a taper pin.
By adopting the technical scheme, the refrigeration compressor coupling shield provided by the invention has the advantages that the first sealing O-shaped ring is arranged between the metal expansion joint and the refrigeration compressor; the upper end of the upper cover and the lower cover of the shield; the third sealing O-shaped ring is arranged between the metal expansion joint and the upper cover and the lower cover of the protective cover; the second sealing O-shaped ring is arranged between the upper cover of the protective cover, the lower cover of the protective cover and the speed-up gear box; the positioning pin is arranged in the pin hole at the upper end of the extending circle of the front and back side of the upper cover and the lower cover of the shield. The device successfully realizes that the coupling shield of the closed refrigeration compressor has the function of safety protection and simultaneously has the function requirement of reliable air tightness; the structure function of the closed refrigerating unit is successfully realized under the structure type that the speed increasing gearbox drives the refrigerating compressor with the coupler; the running of the coupler is completely consistent with the unit conditions, is not influenced by any external factors, and is stable, reliable, high in integrity, easy to install, clean and maintain.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention is further illustrated with reference to the figures and examples.
As shown in fig. 1, the refrigeration compressor coupling shield comprises a first sealing O-ring 101, a refrigeration compressor 114, a metal expansion joint 102, a shield upper cover 106, a shield lower cover 107, a speed-increasing gear box 115, a second sealing O-ring 108, a positioning pin 110 and a third sealing O-ring 113;
the first sealing O-ring 101 is arranged between the metal expansion joint 102 and the refrigeration compressor 114 and is fastened through a first mounting bolt 103;
the upper shield cover 106 is arranged at the upper end of the lower shield cover 107;
the upper cover 106 and the lower cover 107 of the shield are semicircular through grooves which are symmetrical up and down;
the front and back sides of the semicircular rings of the upper cover 106 and the lower cover 107 of the shield are provided with outward extending surfaces, and the outward extending surfaces are provided with threaded through holes which are arranged in a straight line;
the arrangement screw holes of the outward extending surfaces of the upper shield cover 106 and the lower shield cover 107 are provided with fourth mounting bolts 111 and are fastened with each other through second mounting nuts 112;
the extending surfaces of the front and back sides of the upper shield cover 106 and the lower shield cover 107 are sealed by sealant;
semicircular extension surfaces are arranged laterally and externally on the left side and the right side of the upper shield cover 106 and the lower shield cover 107, and circular ring arrangement threaded holes are arranged on the extension surfaces;
and circular ring grooves are formed in the outer sides of the semicircular extending surfaces on the left side and the right side of the upper cover 106 of the protective cover and used for placing sealing O-shaped rings.
And circular ring grooves are formed in the outer sides of the semicircular extending surfaces on the left side and the right side of the lower cover 107 of the shield and used for placing sealing O-shaped rings.
The third sealing O-ring 113 is arranged between the metal expansion joint 102 and the upper shield cover 106 and the lower shield cover 107;
the left semicircular extension surfaces of the upper shield cover 106 and the lower shield cover 107 are connected with the metal expansion joint 102 through a second mounting bolt 105 and are fastened through a first mounting nut 104;
the second sealing O-rings 108 are arranged between the shield upper cover 106, the shield lower cover 107 and the speed-up gearbox 115;
the semicircular extending surfaces on the right sides of the upper shield cover 106 and the lower shield cover 107 are fastened with a speed-up gear box 115 through a third mounting bolt 109;
the front and rear side extension surfaces of the shield upper cover 106 and the shield lower cover 107 are respectively provided with pin holes, and the positioning pins 110 are provided in the pin holes.
Preferably, the extending surfaces of the front and back sides of the upper shield cover 106 and the lower shield cover 107 are sealed by sealant.
Preferably, the outer sides of the semicircular extension surfaces on the left and right sides of the upper cover 106 of the protective cover are provided with circular grooves for placing sealing O-rings.
Preferably, the outer sides of the semicircular extension surfaces on the left and right sides of the lower cover 107 of the protective cover are provided with circular grooves for placing sealing O-rings.
Preferably, the upper shield cover 106 and the lower shield cover 107 are semicircular through grooves, and are symmetrical to each other in the up-down direction.
Preferably, the positioning pin 110 is a taper pin.
When in use: the middle surfaces of the upper shield cover 106 and the lower shield cover 107 are sealed by adopting a sealant mode, and the upper part and the lower part are fixedly installed by adopting a fourth installation bolt 111 and a second installation nut 112; after the upper cover 106 and the lower cover 107 of the shield are installed up and down, the metal expansion joint 1022 is installed and fixed axially by adopting a first installation nut 104 and a second installation bolt 105, and the sealing surface is sealed by adopting a third sealing O-shaped ring 113; after the upper cover 106 and the lower cover 107 are mounted up and down, the upper cover and the lower cover are axially connected with the speed-up gearbox 115 by a third mounting bolt 109, and the sealing surface is sealed by a second sealing O-shaped ring 108. The metal expansion joint 102 has axial free compensation quantity more than or equal to 10mm and reliable air tightness guarantee function; when the upper cover 106 and the lower cover 107 are mounted up and down, the positioning pins 110 are used for positioning and mounting; the positioning pin 110 is positioned and installed by a taper pin.
The invention provides a coupler shield of a refrigeration compressor, which can realize normal disassembly and assembly of a coupler after a refrigeration compressor and a speed-up gear box are respectively installed and positioned, can realize the airtightness of the refrigeration compressor 114, the speed-up gear box 115 and the coupler shield, and has the advantages of simple structure, easiness in operation, stability, reliability and easiness in installation and maintenance.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (3)
1. A refrigerating compressor coupling shield is characterized by comprising a first sealing O-shaped ring, a refrigerating compressor, a metal expansion joint, a shield upper cover, a shield lower cover, a speed-up gear box, a second sealing O-shaped ring, a positioning pin and a third sealing O-shaped ring;
the first sealing O-shaped ring is arranged between the metal expansion joint and the refrigeration compressor and is fastened through a first mounting bolt;
the upper cover of the shield is arranged at the upper end of the lower cover of the shield;
the front and rear sides of the semicircular rings of the upper cover and the lower cover of the protective cover are provided with outward extending surfaces, and the outward extending surfaces are provided with linearly arranged threaded through holes;
the outer sides of the semicircular extending surfaces at the left side and the right side of the upper cover of the shield are provided with circular grooves;
the arrangement screw holes of the outward extending surfaces of the upper cover and the lower cover of the protective cover are provided with fourth mounting bolts and are mutually fastened through second mounting nuts;
semicircular extension surfaces are arranged laterally and externally on the left side and the right side of the upper cover and the lower cover of the protective cover, and circular ring arrangement threaded holes are formed in the extension surfaces;
the extending surfaces of the front and rear sides of the upper cover and the lower cover of the shield are sealed by sealant;
the outer sides of the semicircular extending surfaces at the left side and the right side of the lower cover of the shield are provided with circular grooves;
the third sealing O-shaped ring is arranged between the metal expansion joint and the upper cover and the lower cover of the protective cover;
the semicircular extending surfaces on the left sides of the upper cover and the lower cover of the protective cover are connected with the metal expansion joint through a second mounting bolt and are fastened through a first mounting nut;
the second sealing O-shaped rings are arranged between the upper cover of the protective cover, the lower cover of the protective cover and the speed-up gear box;
the semicircular extending surfaces on the right sides of the upper cover and the lower cover of the shield are fastened with the speed-up gear box through a third mounting bolt;
the front side extension surface and the rear side extension surface of the upper cover and the lower cover of the protective cover are respectively provided with a pin hole, and the positioning pin is arranged in the pin hole.
2. The refrigeration compressor coupling shield of claim 1, wherein said shield upper cover and shield lower cover are semi-circular through grooves.
3. The refrigeration compressor coupling shield of claim 1, wherein said locating pins are tapered pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896702.1A CN107956812B (en) | 2016-10-14 | 2016-10-14 | Coupling shield of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896702.1A CN107956812B (en) | 2016-10-14 | 2016-10-14 | Coupling shield of refrigeration compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956812A CN107956812A (en) | 2018-04-24 |
| CN107956812B true CN107956812B (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610896702.1A Active CN107956812B (en) | 2016-10-14 | 2016-10-14 | Coupling shield of refrigeration compressor |
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| Country | Link |
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| CN (1) | CN107956812B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI129999B (en) * | 2020-10-05 | 2022-12-15 | Lappeenrannan Lahden Teknillinen Yliopisto Lut | A joint element and an electromechanical system comprising the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3731126A (en) * | 1970-10-12 | 1973-05-01 | Bosch Gmbh Robert | Electrical machine with shielded circuit parts |
| CN102507103A (en) * | 2011-10-11 | 2012-06-20 | 浙江工业大学 | Gas sealing experimental device and method |
| CN204300664U (en) * | 2014-12-02 | 2015-04-29 | 天津泵业机械集团有限公司 | Horizontal installation shares the lubrication three screw pump unit adjusting nail punch pressure base |
| CN204716597U (en) * | 2015-02-02 | 2015-10-21 | 重庆通用工业(集团)有限责任公司 | A kind of coupling shield |
| CN206338340U (en) * | 2016-10-14 | 2017-07-18 | 重庆通用工业(集团)有限责任公司 | A kind of refrigeration compressor coupling shield |
-
2016
- 2016-10-14 CN CN201610896702.1A patent/CN107956812B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3731126A (en) * | 1970-10-12 | 1973-05-01 | Bosch Gmbh Robert | Electrical machine with shielded circuit parts |
| CN102507103A (en) * | 2011-10-11 | 2012-06-20 | 浙江工业大学 | Gas sealing experimental device and method |
| CN204300664U (en) * | 2014-12-02 | 2015-04-29 | 天津泵业机械集团有限公司 | Horizontal installation shares the lubrication three screw pump unit adjusting nail punch pressure base |
| CN204716597U (en) * | 2015-02-02 | 2015-10-21 | 重庆通用工业(集团)有限责任公司 | A kind of coupling shield |
| CN206338340U (en) * | 2016-10-14 | 2017-07-18 | 重庆通用工业(集团)有限责任公司 | A kind of refrigeration compressor coupling shield |
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| Publication number | Publication date |
|---|---|
| CN107956812A (en) | 2018-04-24 |
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