CN202366718U - Large detachable low-temperature experimental platform - Google Patents
Large detachable low-temperature experimental platform Download PDFInfo
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- CN202366718U CN202366718U CN2011205015486U CN201120501548U CN202366718U CN 202366718 U CN202366718 U CN 202366718U CN 2011205015486 U CN2011205015486 U CN 2011205015486U CN 201120501548 U CN201120501548 U CN 201120501548U CN 202366718 U CN202366718 U CN 202366718U
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Abstract
The utility model relates to a large detachable low-temperature experimental platform which is characterized in by comprising a detachable box-type laboratory, a movable bottom trolley, an indoor refrigerating device arranged in the box-type laboratory, an outdoor refrigerating part mounted outside the box-type laboratory, a control box and a low-temperature uniform distributing system mounted on the outdoor roof of the box-type laboratory, wherein a ceiling, two side walls and a rear side wall of the box-type laboratory are all assembled by a plurality of steel sheets to form a detachable structure, and a large door in which a small door is machined is arranged on the front side surface of the box-type laboratory. The large detachable low-temperature experimental platform has the advantages that: a low-temperature environment is built with the adoption of the liquefied nitrogen gasification refrigeration and automatic control integrated technology, a natural environment is simulated for detecting the lubrication state of a bearing of a gearbox and the operating state of the gear, and test data is collected and provided for the design of the gearbox as basis. The experimental platform adopts the detachable structure, so that the space occupied by a factory is saved; and besides, the operation is convenient, the adjustment is simple, the cost is low, the performance is excellent, safety and reliability are realized, and the effect on the simulated environment is good.
Description
Technical field
The utility model belongs to wind-power electricity generation machinery equipment technical field, particularly relates to a kind of large-scale dismountable type low temperature test platform.
Background technology
At present, " wind-powered electricity generation unit middle gear case " low temperature (30 of wind-powered electricity generation industry
~-40 ℃) experimental provision of simulating natural environment is lubrication state, gear running status for the detection of gear axle box bearing, collects test data, for the design of gear-box provides foundation.Experimental provision in the known technology all is to adopt the Fo Liang refrigeration, because the experiment interior space is big, cooling rate is slow, so need very big power to satisfy the cooling requirement; Caused experiment power consumption big like this, experimental cost is high, and the laboratory takes up space greatly, and Operation and maintenance are loaded down with trivial details.
Summary of the invention
The utility model is for solving the large-scale dismountable type low temperature test platform that the technical problem that exists in the known technology provides a kind of dismountable type structure, saving user's usage space and can reduce power consumption and experimental cost.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
Large-scale dismountable type low temperature test platform; It is characterized in that: comprise the disassembled box laboratory that constitutes by outer steel shell, stainless steel inner container and heat-insulation layer, move end car, be arranged on indoor refrigerating plant in the box laboratory, be installed in outdoor refrigerating part, the control cabinet box laboratory outside and be installed in the equal distribution system of low temperature on pushing up outside the box laboratory; Top, chamber, said box laboratory, two side and rear wall all are to constitute the dismountable type structure by the assembling of several piece steel plate; On top, two side and the rear wall in the said box laboratory indoor refrigerating plant is housed all; Said box laboratory is outside through the outer refrigerating part of pipeline junction chamber, and said box laboratory leading flank is provided with the gate that has wicket on it.
The utility model can also adopt following technical scheme:
Said indoor refrigerating plant comprises: liquid nitrogen gasification device, the last cooling tube and top, the chamber circulation pipe that are installed in cooling tube and side circulation pipe on the indoor two side, are installed in back cooling tube and the back circulation pipe on the indoor rear wall and are installed in indoor top; Cooling tube parallel connection on said indoor two side, rear wall and the indoor top constitutes indoor source of the gas loop, and the circulation pipe parallel connection on said indoor two side, rear wall and the indoor top constitutes indoor source of the gas loop.
Said cooling tube and circulation pipe all adopt U type tubular construction.
Said outdoor refrigerating part comprises: utilize nitrogen thermal detector, pressure valve, circulating pump, the gas storage that connect through pipeline are incubated jar, check valve, magnetic valve, pressure-reducing valve, liquid nitrogen container and indoor thermal detector again.
The equal distribution system of said low temperature comprises: be packed in the blower fan bracing frame on the top, chamber, box laboratory, be uniformly distributed with at the blower fan bracing frame 8 axial flow blowers and disassembled kuppe are housed.
Said kuppe is to be made up of the assembling of 30 block plates.
Top, chamber, said box laboratory is to be made up of the assembling of 8 block plates, and two side, box laboratory is to be made up of the assembling of 16 block plates, and rear wall is to be made up of the assembling of 4 block plates.
Advantage and the good effect that the utlity model has are: adopt liquid nitrogen gasification refrigeration and automatic control integrated technology to cause a low temperature environment; Simulating natural environment is with lubrication state, the gear running status of detection of gear axle box bearing; Collect test data, for the design of gear-box provides foundation.It is with low cost, and function admirable is safe and reliable, and analog loop is quiet effective, non-environmental-pollution.In addition, the dismountable type structure is adopted in this laboratory, and is simple in structure, can save the usage space of factory, easy to operate, and adjustment is simple, is convenient to maintenance.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the utility model low temperature is uniformly distributed with the system architecture sketch map;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the B-B cutaway view of Fig. 3;
Fig. 6 is the I portion enlarged drawing of Fig. 5;
Fig. 7 is that the utility model moves end bassinet structure sketch map;
Fig. 8 is the left view of Fig. 7;
Fig. 9 is the utility model refrigeration system schematic diagram.
Among the figure: 1, laboratory; 2, side cooling tube; 3, side circulation pipe; 4, move end car; 4-1, rope sheave; 4-2, axle; 4-3, wheel; 4-4, car body; 4-5, guide rail; 4-6, steel wire rope; 4-7, drive unit; 5, control cabinet; 6, go up cooling tube; 7, back cooling tube; 8, back circulation pipe; 9, wicket; 10, gate; 11, the equal distribution system of low temperature; 12, utilize the nitrogen thermal detector again; 13, pressure valve; 14, circulating pump; 15, gas storage insulation jar; 16, check valve; 17, magnetic valve; 18, magnetic valve; 19, magnetic valve; 20, axial flow blower; 21, pressure-reducing valve; 22, liquid nitrogen container; 23, top, chamber circulation pipe; 24, liquid nitrogen gasification device; 25, indoor thermal detector; 26, clothes-hook; 27, kuppe; 28, blower fan bracing frame.
The specific embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1-Fig. 9; Large-scale dismountable type low temperature test platform comprises the disassembled box laboratory 1 that is made up of outer steel shell, stainless steel inner container and heat-insulation layer, moves end car 4, is arranged on indoor refrigerating plant in the box laboratory, is installed in outdoor refrigerating part, the control cabinet 5 box laboratory outside and is installed in the equal distribution system 11 of low temperature on pushing up outside the box laboratory.The material of said inner bag and refrigerating plant is a stainless steel, and indeformable under-40 ℃ of states, heat-insulation layer is made up of polyurethane foaming body and bearing frame, and is under-40 ℃ of states, indeformable.Top, chamber, said box laboratory, two side and rear wall all are to constitute the dismountable type structure by the assembling of several piece steel plate; In the present embodiment; Top, chamber, said box laboratory is to be made up of the assembling of 8 block plates; Two side, box laboratory is to be made up of the assembling of 16 block plates, and rear wall is to be made up of the assembling of 4 block plates.Said box laboratory is outside through the outer refrigerating part of pipeline junction chamber, and said box laboratory leading flank is provided with the gate 10 that has wicket 9 on it.For making things convenient for experimental facilities and personnel's turnover, on the gate, also be shaped on wicket 9, wicket is opened at any time under-30---40 ℃ temperature and is not received any restriction, not only can be under-30 ~-40 ℃ of low temperature environments the assurance switch normal, avoid gas leakage and torsional deformation; But also can satisfy the locking device of-30 ~-40 ℃ of low temperature environments, requirements such as no clamping stagnation, inefficacy.
On top, two side and the rear wall in the said box laboratory indoor refrigerating plant is housed all; Said indoor refrigerating plant comprises: the last cooling tube 6 and top, the chamber circulation pipe 23 that are installed in 1 group of liquid nitrogen gasification device 24 on the inner top of box laboratory, are installed in side cooling tube 2 and side circulation pipe 3 on the indoor two side, are installed in back cooling tube 7 and the back circulation pipe 8 on the indoor rear wall and are installed in indoor top; In the present embodiment, said each cooling tube all adopts U type tubular construction with each circulation pipe.Cooling tube parallel connection on said indoor two side, rear wall and the indoor top constitutes indoor source of the gas loop, and the circulation pipe parallel connection on said indoor two side, rear wall and the indoor top constitutes indoor source of the gas loop.
Said outdoor refrigerating part comprises: utilize nitrogen thermal detector 12, pressure valve 13, circulating pump 14, the gas storage that connect through pipeline are incubated jar 15, check valve 16, low-temperature solenoid valve 17, low-temperature solenoid valve 18, low-temperature solenoid valve 19, pressure-reducing valve 21, liquid nitrogen container 22 and indoor thermal detector 25 again.Liquid nitrogen is flowed into through cooling tube by outdoor liquid nitrogen container 22 and finally gets back in the outdoor gas storage insulation jar 15.In order to make full use of liquid nitrogen, after nitrogen is got back in the gas storage insulation jar, again by gas storage insulation jar, circulation line, circulating pump 14, low- temperature solenoid valve 17,18 and 19 and gas-recycling plant form circulation line, once more to the laboratory fast cooling.Low-temperature solenoid valve 19 is opened, and liquid nitrogen container flows out liquid nitrogen gasification in liquid nitrogen gasification device 24 after pressure-reducing valve 21 decompressions, gets back to gas storage insulation jar 15 through indoor all cooling tubes, check valve 16.Low-temperature solenoid valve 19 is closed when reaching a certain amount of, and circulating pump and low-temperature solenoid valve 17 are opened, and low temperature nitrogen circulates at all circulation lines, continues room temperature lowering.Through utilizing nitrogen thermal detector 12 thermometrics again, when nitrogen temperature T2＜-50 ℃, low temperature nitrogen flows back to air accumulator under the effect of circulating pump; When T2 >=-50 ℃, low-temperature solenoid valve 18 is opened, and low-temperature solenoid valve 17 closures discharge small amount of nitrogen.
The refrigerating plant operation principle: liquid nitrogen gets into gasification installation through pressure-reducing valve step-down and magnetic valve flow-control; Realize cooling (＜-195 ℃) for the first time, then liquid nitrogen gets into one group of heat-exchanger rig (being distributed in both walls, Hou Qiang) and realizes cooling for the second time (-100 ℃ to-195 ℃ approximately).In order to make full use of the energy, be provided with one group of heat-exchanger rig (being distributed in both walls, Hou Qiang, furnace roof) again,, realizes liquid nitrogen cooling for the third time (-50 ℃ to-100 ℃ approximately) when getting into two groups of heat-exchanger rigs.Under the effect of axial flow blower, making indoor temperature equalization and promptly reducing to needs temperature.
The equal distribution system 11 of said low temperature comprises: clothes-hook 26, be packed in the blower fan bracing frame 28 on chamber, the box laboratory top, be uniformly distributed with at the blower fan bracing frame 8 axial flow blowers 20 and disassembled kuppe 27 are housed, said kuppe 27 is to be made up of the assembling of 30 block plates.The equal distribution system of low temperature forms intermediate downstream wind with room air through kuppe; Going up sector-style all around moves in circles; Play the effect of stirring room air; Through air transmitted, heat exchange experiment indoor temperature rapid and uniform is descended, make the indoor temperature uniformity keep ± 5 ℃ (after temperature balances 0.5 hour).
Car 4 of the said mobile end is made up of rope sheave 4-1, axle 4-2, wheel 4-3, car body 4-4, guide rail 4-5, steel wire rope 4-6 and drive unit 4-7; Said car body adopts stainless-steel sheet and the welding of common shaped steel to constitute, and underneath its body is equipped with wheel, guide rail and drive unit.Move end car and be provided with drive unit, can adopt hoist engine to drag the forward and reverse realization campaign of wheel.Hoist engine drags forward wheel and will move end car and move on to outside the laboratory during operation, with workpiece with overhead traveling crane sling be placed on above, hoist engine drags reversing wheel and will move end car and move on to the laboratory internal wiring and install then.Mobile maximum speed is 300mm/s, average speed 80-100 mm/s; Adopt frequency changing regulating speed control apparatus, realize soft start, reduction of speed stops automatically.Because move end car and the about 30t of gear-box gross weight, movement inertia is big, therefore brake is housed, on axle to realize that parking spot is accurate.
Claims (7)
1. one kind large-scale dismountable type low temperature test platform; It is characterized in that: comprise the disassembled box laboratory that constitutes by outer steel shell, stainless steel inner container and heat-insulation layer, move end car, be arranged on indoor refrigerating plant in the box laboratory, be installed in outdoor refrigerating part, the control cabinet box laboratory outside and be installed in the equal distribution system of low temperature on pushing up outside the box laboratory; Top, chamber, said box laboratory, two side and rear wall all are to constitute the dismountable type structure by the assembling of several piece steel plate; On top, two side and the rear wall in the said box laboratory indoor refrigerating plant is housed all; Said box laboratory is outside through the outer refrigerating part of pipeline junction chamber, and said box laboratory leading flank is provided with the gate that has wicket on it.
2. large-scale dismountable type low temperature test platform according to claim 1; It is characterized in that: said indoor refrigerating plant comprises: the liquid nitrogen gasification device, be installed in cooling tube and the side circulation pipe on the indoor two side, last cooling tube and top, the chamber circulation pipe that is installed in cooling tube and the side circulation pipe on the indoor rear wall and is installed in indoor top; Cooling tube parallel connection on said indoor two side, rear wall and the indoor top constitutes indoor source of the gas loop, and the circulation pipe parallel connection on said indoor two side, rear wall and the indoor top constitutes indoor source of the gas loop.
3. large-scale dismountable type low temperature test platform according to claim 2, it is characterized in that: said cooling tube and circulation pipe all adopt U type tubular construction.
4. large-scale dismountable type low temperature test platform according to claim 1, it is characterized in that: said outdoor refrigerating part comprises: utilize nitrogen thermal detector, pressure valve, circulating pump, the gas storage that connect through pipeline are incubated jar, check valve, magnetic valve, pressure-reducing valve, liquid nitrogen container and indoor thermal detector again.
5. large-scale dismountable type low temperature test platform according to claim 1; It is characterized in that: the equal distribution system of said low temperature comprises: be packed in the blower fan bracing frame on the top, chamber, box laboratory, be uniformly distributed with at the blower fan bracing frame 8 axial flow blowers and disassembled kuppe are housed.
6. large-scale dismountable type low temperature test platform according to claim 5 is characterized in that: said kuppe is to be made up of the assembling of 30 block plates.
7. large-scale dismountable type low temperature test platform according to claim 1; It is characterized in that: top, chamber, said box laboratory is to be made up of the assembling of 8 block plates; Two side, box laboratory is to be made up of the assembling of 16 block plates, and rear wall is to be made up of the assembling of 4 block plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205015486U CN202366718U (en) | 2011-12-06 | 2011-12-06 | Large detachable low-temperature experimental platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205015486U CN202366718U (en) | 2011-12-06 | 2011-12-06 | Large detachable low-temperature experimental platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202366718U true CN202366718U (en) | 2012-08-08 |
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ID=46590443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205015486U Expired - Fee Related CN202366718U (en) | 2011-12-06 | 2011-12-06 | Large detachable low-temperature experimental platform |
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| Country | Link |
|---|---|
| CN (1) | CN202366718U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190481A (en) * | 2014-08-27 | 2014-12-10 | 重庆展尔岭科技有限责任公司 | Drawer-type sealed test box |
| CN106033024A (en) * | 2015-03-17 | 2016-10-19 | 中国科学院寒区旱区环境与工程研究所 | Optical-instrument low temperature environment test box |
| CN108827592A (en) * | 2018-06-08 | 2018-11-16 | 哈尔滨工程大学 | A kind of test platform can provide low temperature environment |
-
2011
- 2011-12-06 CN CN2011205015486U patent/CN202366718U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190481A (en) * | 2014-08-27 | 2014-12-10 | 重庆展尔岭科技有限责任公司 | Drawer-type sealed test box |
| CN106033024A (en) * | 2015-03-17 | 2016-10-19 | 中国科学院寒区旱区环境与工程研究所 | Optical-instrument low temperature environment test box |
| CN108827592A (en) * | 2018-06-08 | 2018-11-16 | 哈尔滨工程大学 | A kind of test platform can provide low temperature environment |
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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: 20120808 Termination date: 20151206 |
|
| EXPY | Termination of patent right or utility model |