CN205223314U - Cryogenic cooling device of bearing - Google Patents
Cryogenic cooling device of bearing Download PDFInfo
- Publication number
- CN205223314U CN205223314U CN201521074922.3U CN201521074922U CN205223314U CN 205223314 U CN205223314 U CN 205223314U CN 201521074922 U CN201521074922 U CN 201521074922U CN 205223314 U CN205223314 U CN 205223314U
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- CN
- China
- Prior art keywords
- refrigeration chamber
- flitch
- bearing
- cooling unit
- putting
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a cryogenic cooling device of bearing belongs to mechanical technical field. It has solved the current problem that the cooling device cooling effect is poor, work efficiency is low. This cryogenic cooling device of bearing, including being freezer, liquid nitrogen bottle and a plurality of flitch of putting, the leading flank of freezer opens has the feed inlet, still be equipped with on the freezer can with feed inlet confined door is equipped with a plurality of slide rails on two inside walls of the left and right sides of freezer, extend a plurality of slide rails and along the upper and lower direction equipartition of freezer, the liquid nitrogen bottle is linked together through pipeline and freezer, is equipped with the control valve between liquid nitrogen bottle and the freezer along the fore -and -aft direction of freezer, and the both ends sliding connection who puts the flitch still is equipped with the silo of putting that a plurality of is used for placing the bearing on putting the flitch on the slide rail that corresponds, puts to have the clearance between rear end face and the door of flitch and freezer. This cryogenic cooling device of bearing is easy and simple to handle, and work efficiency is high, and the cooling effect is good.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of cold cooling unit of bearing.
Background technology
Carrying out subcooling process to metallic substance, is a kind of new technology that Abroad in Recent Years rises.It is continued at the process of cooling of workpiece quenching, to a certain temperature course lower than room temperature, thus changes the micro-tubular structure of metallic substance, strengthen the wear resistance of workpiece and the treatment process of dimensional stability to reach.Higher workpiece is required to mechanical property and manufacturing accuracy, that the material such as structural carbon steel, tool steel, high quality steel selecting carbon content higher manufactures mostly, because the Mf point of these materials is below zero centigrade, what have is even low to moderate subzero 110 degrees Celsius.Therefore, these materials after quenching, can leave residual austenite, sometimes unexpectedly reach more than 13-45%, thus limit the hardness of material and the raising of wear resistance.And residual austenite is unstable structure, between reservation and usage period, catch a cold, being heated all can decomposition and inversion, causes the volume of workpiece to expand distortion, geometrical dimension is unstable, and impact uses.
For this reason, people have invented multiple refrigerating unit, but existing refrigerating unit all exists following problem: during cooling, loading and unloading are comparatively inconvenient, troublesome poeration, inefficiency, and speed of cooling is slow, the weak effect of cooling.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, and propose a kind of cold cooling unit of bearing, technical problem to be solved in the utility model is: the subcooled effect how improving bearing, increases work efficiency simultaneously.
The purpose of this utility model realizes by following technical proposal: a kind of cold cooling unit of bearing, comprise in rectangular-shaped refrigeration chamber, the leading flank of described refrigeration chamber opens wide has opening for feed, described refrigeration chamber is also provided with the door described opening for feed can closed, it is characterized in that, left and right two inner side-wall of described refrigeration chamber is provided with some slide rails, described slide rail extends along the fore-and-aft direction of refrigeration chamber, some slide rails are uniformly distributed along the above-below direction of refrigeration chamber, described refrigerating unit also comprises liquid nitrogen bottle and somely puts flitch, described liquid nitrogen bottle is connected with refrigeration chamber by pipeline, described liquid nitrogen bottle can control the control valve that both are communicated with or disconnect with being provided with between refrigeration chamber, described two ends of putting flitch are slidably connected on corresponding slide rail, described putting flitch is also provided with several for what place bearing and puts hopper, described put flitch and refrigeration chamber aft end face and door between there is gap.
When this device uses, first bearing to be cooled is placed on the realization in hopper of putting of putting flitch and locates, and then flitch will be put along in slide rail slip loading refrigeration chamber, then door is closed, open control valve, the liquid nitrogen in liquid nitrogen bottle enters in refrigeration chamber and carries out subcooling process to bearing, pending end, closed control valve, open door, bearing is taken out, easy and simple to handle, working efficiency is high, good cooling results.Put between the aft end face of flitch and refrigeration chamber and door and there is gap, be convenient to the circulation of warm air, further increase cooling performance.
In the cold cooling unit of above-mentioned bearing, described in put flitch two ends all there are several pulleys, described in put flitch and be slidably connected on slide rail by pulley, described in put flitch two plate faces flush with the upper and lower surface of slide rail respectively.By arrange pulley and slide rail with the use of, can push putting flitch and release refrigeration chamber easily when material loading and blanking, easy and simple to handle, improve working efficiency.
In the cold cooling unit of above-mentioned bearing, described in put flitch two ends all there is slide block, described slide block is dove-tail form, and shape and the slide block of described slide rail match.
In the cold cooling unit of above-mentioned bearing, described refrigeration chamber also offers pressure relief opening, described pressure relief opening is provided with pressure release valve.Liquid nitrogen can become gaseous nitrogen after entering refrigeration chamber heat absorption, thus the air pressure in refrigeration chamber can increase thereupon, by arranging pressure release valve on refrigeration chamber, pressure release can be carried out to refrigeration chamber, ensure that refrigeration chamber internal gas pressure and external atmosphere pressure keep balancing, avoid the generation of accident, improve security.
In the cold cooling unit of above-mentioned bearing, described refrigeration chamber is also provided with the tensimeter for detecting the air pressure in refrigeration chamber.Tensimeter, for detecting the air pressure in refrigeration chamber, when pressure release valve breaks down, can be keeped in repair by tensimeter Timeliness coverage, ensures security.
In the cold cooling unit of above-mentioned bearing, described refrigerating unit also comprises controller and warning howler, the input terminus of described tensimeter connection control device, the output terminal of described warning howler and pressure release valve connection control device.Tensimeter for detecting the air pressure in refrigeration chamber, and will detect that information feed back to be compared judgement to controller, and controller controls pressure release valve and opens.When pressure release valve breaks down, air pressure continues to increase, and controller controls alarm equipment alarm, reminds maintenance.
In the cold cooling unit of above-mentioned bearing, described in put hopper be square groove.
In the cold cooling unit of above-mentioned bearing, described in put hopper be ring groove, described in put hopper bottom surface on there is the annular projection of protrusion, described annular projection can embed between the inner ring of bearing and outer ring.Bearing is placed on to put in hopper and can be good at location, avoids bearing to drop.
In the cold cooling unit of above-mentioned bearing, described in put flitch adopt heat sink material make.Putting flitch adopts heat sink material to make, can accelerating cooling, increases work efficiency.
Compared with prior art, the cold cooling unit of this bearing has the following advantages: 1, by arrange pulley and slide rail with the use of, can push putting flitch and release refrigeration chamber easily when material loading and blanking, easy and simple to handle, improve working efficiency.2, by cooled with liquid nitrogen, and put between the aft end face of flitch and refrigeration chamber and door there is gap, be convenient to the circulation of warm air, further increase cooling performance.3, the design of pressure release valve, can carry out pressure release to refrigeration chamber, ensures that refrigeration chamber internal gas pressure and external atmosphere pressure keep balancing, avoids the generation of accident, improve security.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cold cooling unit of this bearing.
In figure, 1, refrigeration chamber; 11, opening for feed; 2, door; 3, slide rail; 4, liquid nitrogen bottle; 5, flitch is put; 51, hopper is put; 52, pulley; 6, pressure release valve; 7, control valve; 8, tensimeter; 9, warning howler.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, the cold cooling unit of this bearing, comprise in rectangular-shaped refrigeration chamber 1, liquid nitrogen bottle 4 and somely put flitch 5, the leading flank of refrigeration chamber 1 opens wide has opening for feed 11, left and right two inner side-wall of refrigeration chamber 1 is provided with some slide rails 3, slide rail 3 extends along the fore-and-aft direction of refrigeration chamber 1, and some slide rails 3 are uniformly distributed along the above-below direction of refrigeration chamber 1, refrigeration chamber 1 is also provided with the door 2 opening for feed 11 can closed.Putting flitch 5 adopts heat sink material to make, put and flitch 5 is also provided with several for what place bearing and puts hopper 51, the two ends of putting flitch 5 are slidably connected on corresponding slide rail 3, put between the aft end face of flitch 5 and refrigeration chamber 1 and door 2 and there is gap, liquid nitrogen bottle 4 is connected with refrigeration chamber 1 by pipeline, and described liquid nitrogen bottle 4 can control the control valve 7 that both are communicated with or disconnect with being provided with between refrigeration chamber 1.During use, first bearing to be cooled is placed on the realization in hopper 51 of putting of putting flitch 5 to locate, and then flitch 5 will be put slide along slide rail 3 and load in refrigeration chamber 1, then close door 2, open control valve 7, the liquid nitrogen in liquid nitrogen bottle 4 enters in refrigeration chamber 1 and carries out subcooling process to bearing, pending end, closed control valve 7, opens door 2, is taken out by bearing.
Specifically, as shown in Figure 1, the two ends of putting flitch 5 all have several pulleys 52, put flitch 5 and are slidably connected on slide rail 3 by pulley 52, and the two plate faces of putting flitch 5 flush with the upper and lower surface of slide rail 3 respectively.Put hopper 51 for ring groove, the bottom surface of putting hopper 51 has the annular projection of protrusion, annular projection can embed between the inner ring of bearing and outer ring.
Refrigeration chamber 1 also offers pressure relief opening, and pressure relief opening is provided with pressure release valve 6, and liquid nitrogen enters after refrigeration chamber 1 absorbs heat can become gaseous nitrogen, thus the air pressure in refrigeration chamber 1 can increase thereupon, by arranging pressure release valve 6 on refrigeration chamber 1, can carry out pressure release to refrigeration chamber 1.This refrigerating unit also comprises controller and warning howler 9, and refrigeration chamber 1 is also provided with the tensimeter 8 for detecting the air pressure in refrigeration chamber 1, the input terminus of tensimeter 8 connection control device, the output terminal of warning howler 9 and pressure release valve 6 connection control device.Tensimeter 8 for detecting the air pressure in refrigeration chamber 1, and will detect that information feed back to be compared judgement to controller, and controller controls pressure release valve 6 and opens.When pressure release valve 6 breaks down, air pressure continues to increase, and controller controls warning howler 9 and reports to the police, and reminds maintenance.
Embodiment two
The structure of the present embodiment is substantially identical with embodiment one, and its difference is: the two ends of putting flitch 5 all have slide block, and slide block is dove-tail form, and shape and the slide block of slide rail 3 match.
Embodiment three
The structure of the present embodiment is substantially identical with embodiment one, and its difference is: put hopper 51 for square groove, its size is mated with the external diameter of bearing.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (9)
1. the cold cooling unit of a bearing, comprise in rectangular-shaped refrigeration chamber (1), the leading flank of described refrigeration chamber (1) opens wide has opening for feed (11), described refrigeration chamber (1) is also provided with the door (2) described opening for feed (11) can closed, it is characterized in that, left and right two inner side-wall of described refrigeration chamber (1) is provided with some slide rails (3), described slide rail (3) extends along the fore-and-aft direction of refrigeration chamber (1), some slide rails (3) are uniformly distributed along the above-below direction of refrigeration chamber (1), described refrigerating unit also comprises liquid nitrogen bottle (4) and somely puts flitch (5), described liquid nitrogen bottle (4) is connected with refrigeration chamber (1) by pipeline, the control valve (7) that can control both and be communicated with or disconnect is provided with between described liquid nitrogen bottle (4) with refrigeration chamber (1), described two ends of putting flitch (5) are slidably connected on corresponding slide rail (3), described putting flitch (5) is also provided with several for what place bearing and puts hopper (51), described put flitch (5) and refrigeration chamber (1) aft end face and door (2) between there is gap.
2. the cold cooling unit of a kind of bearing according to claim 1, it is characterized in that, described two ends of putting flitch (5) all have several pulleys (52), described flitch (5) of putting is slidably connected on slide rail (3) by pulley (52), described in put flitch (5) two plate faces flush with the upper and lower surface of slide rail (3) respectively.
3. the cold cooling unit of a kind of bearing according to claim 1, is characterized in that, described in put flitch (5) two ends all there is slide block, described slide block is dove-tail form, and shape and the slide block of described slide rail (3) match.
4. the cold cooling unit of a kind of bearing according to claim 1 or 2 or 3, it is characterized in that, (1) also offers pressure relief opening to described refrigeration chamber, described pressure relief opening is provided with pressure release valve (6).
5. the cold cooling unit of a kind of bearing according to claim 4, is characterized in that, described refrigeration chamber (1) is also provided with the tensimeter (8) for detecting the air pressure in refrigeration chamber (1).
6. the cold cooling unit of a kind of bearing according to claim 5, it is characterized in that, described refrigerating unit also comprises controller and warning howler (9), the input terminus of described tensimeter (8) connection control device, the output terminal of described warning howler (9) and pressure release valve (6) connection control device.
7. the cold cooling unit of a kind of bearing according to claim 1 or 2 or 3, is characterized in that, described in put hopper (51) be square groove.
8. the cold cooling unit of a kind of bearing according to claim 1 or 2 or 3, it is characterized in that, described hopper (51) of putting is ring groove, described bottom surface of putting hopper (51) has the annular projection of protrusion, described annular projection can embed between the inner ring of bearing and outer ring.
9. the cold cooling unit of a kind of bearing according to claim 6, is characterized in that, described in put flitch (5) adopt heat sink material make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074922.3U CN205223314U (en) | 2015-12-18 | 2015-12-18 | Cryogenic cooling device of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074922.3U CN205223314U (en) | 2015-12-18 | 2015-12-18 | Cryogenic cooling device of bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205223314U true CN205223314U (en) | 2016-05-11 |
Family
ID=55898391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521074922.3U Expired - Fee Related CN205223314U (en) | 2015-12-18 | 2015-12-18 | Cryogenic cooling device of bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205223314U (en) |
-
2015
- 2015-12-18 CN CN201521074922.3U patent/CN205223314U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |