CN201337906Y - Large test box overloading soleplate - Google Patents
Large test box overloading soleplate Download PDFInfo
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- CN201337906Y CN201337906Y CNU2008200991610U CN200820099161U CN201337906Y CN 201337906 Y CN201337906 Y CN 201337906Y CN U2008200991610 U CNU2008200991610 U CN U2008200991610U CN 200820099161 U CN200820099161 U CN 200820099161U CN 201337906 Y CN201337906 Y CN 201337906Y
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- welded
- soleplate
- assembly
- heavy load
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Abstract
The utility model relates to a large test box overloading soleplate, which is formed by combining a plurality of pieces of split plates, wherein, each split plate comprises a bearer frame assembly which is used for maintaining the shape of the soleplate, a welding soleplate assembly and a heat preservation layer. The supporting framework assembly and the welding soleplate assembly are welded to form a split plate, and all split plates are welded to form an integral box body soleplate with the overlook plane being of a rectangular shape, and a water flowing trough of the box body soleplate is arranged between the floor board and the floor board and between the floor board and a maintaining bracket of each split plate, and a bearing adiabatic bridge is arranged between the welding soleplate assembly and the bearer frame assembly which is used for maintaining the shape of the soleplate, so that not only the overflow effect and the anti-sliding function of the soleplate can be improved, but also the deformation of the floor board caused by the local impact and the fracture deformation caused by the heat variation can be solved, and the heat preservation effect can be improved.
Description
Technical field
The utility model relates to large-scale experiment casing field, particularly a kind of large-scale experiment case heavy load bottom plate.
Background technology
The large-scale experiment casing is called storehouse plate casing again, the inside of its casing is the operating room, mainly be to be used to put the space that the scale-up version test specimen carries out the high and low temperature damp heat test or other service is provided for the user, the operating room of this casing from several cubic metres to last kilostere, usually there are personnel to walk about in the operating room or vehicle travels, System for Large-scale Specimen in the operating room also from the hundreds of kilogram to several thousand kilograms, if the bottom strength of operating room is not enough, trample or test specimen is put pressure through personnel, pit will occur even destroy base plate; In case storehouse plate box bottom has pit, when doing damp and hot experiment, floor just occurs ponding easily or freezes, and phenomenons such as wet and slippery occur, brings inconvenience and danger to staff's walking.Because the volume of casing is big, normally use the mode of freezing the storehouse jigsaw to make up, the bottom of storehouse plate casing is a storehouse plate box bottom, just as the ground in room, because of storehouse plate box bottom area is bigger, generally is made up of a plurality of relatively independent jigsaw.Because this large-scale experiment casing mainly is to be used for System for Large-scale Specimen is carried out height, the low temperature damp heat test, temperature range in the operating room is generally-70 ℃～+ 150 ℃, at a certain specific temperature spot, by in the operating room, adding modes such as water vapour or water smoke, make the humidity in the operating room reach test requirements document, therefore doing generally speaking on the inwall of operating room of damp heat test and the floor all to have the condensation phenomenon to occur, and the large-scale experiment case the operating room in put the test specimen of putting usually and have hundreds of to arrive thousands of kilogram weights, storehouse plate box bottom is incubated and becomes indeformable is the important indicator that storehouse plate casing is done good and badly.Storehouse plate box bottom is as the easiest impaired position of plate casing, storehouse, and its intensity influences the service life of storehouse plate casing to a great extent.Consider storehouse plate box bottom if only go out to send, it is made the cement flooring just can satisfy ground intensity, but the cement flooring is not incubated,, will consume a large amount of energy for keeping the temperature in the case if adopt the cement flooring from the intensity angle.Because-70 ℃～+ 150 ℃ temperature in the plate casing operating room, storehouse, its low-temperature condition is to freeze by refrigeration compressor to obtain, and the condition of high temperature is to heat by electric heater to obtain, for energy savings storehouse plate casing also will solve the insulation problem.Usually the insulation of storehouse plate box bottom generally is to adopt to fill the polyurethane blowing agent cut off heat conduction between floor and the lower panel between the floor of base plate and lower panel.But this floor adopts 1 millimeter corrosion resistant plate to make, the bonding mode of blowing agent and the dependence of plate face self is connected as a whole warming plate, this warming plate has certain bearing capacity to uniform load, every square metre approximately can be born 1000 kilograms, its bearing capacity is relatively poor, if often concentrfated load is arranged, blowing agent and inner panel come off easily, cause base plate destroyed.In order to strengthen the bearing capacity of storehouse plate box bottom, reduce simultaneously the heat conduction of warming plate again, so the common practice of present storehouse plate box bottom aspect load-bearing has two kinds: a kind of at bottom surface, floor reinforcement, just added muscle is fitted in the bottom surface, floor, and muscle does not have and the floor, lower panel or base are connected as a single entity, spacing between muscle and the muscle is also bigger, though such structure can be cut off the heat conduction, but bearing concentrfated load or through personnel, after vehicle rolls for a long time, because reinforcement and floor be welding not, usually use after 1～2 year, big space all can appear between floor and the reinforcement, the floor is easy to generate local deformation and depression occurs, can form ponding in these depressions when doing damp heat test.Another kind is to add channel-section steel under the floor, with the notch end face of channel-section steel to the side, channel-section steel is shelved on support floor between the other channel-section steel frame in floor and base plate bottom, existing supporting role, serve as disconnected heat bridge again simultaneously, but the sideways support strength of notch end face of channel-section steel can weaken, and channel-section steel and floor and channel-section steel bridge joint touch, the heat that the floor absorbs can be conducted to the channel-section steel frame from channel-section steel and outwards be discharged, and the effect of heat insulation that causes it to serve as disconnected heat bridge is also bad.And the draining on the floor of these two kinds of structures all is the form that adopts the ground small opening, and because of floor area is big, the ground small opening is provided with and has lacked impeded drainage, and the ground small opening has been provided with many and has reduced heat insulation effect greatly.Mainly there is following shortcoming in the storehouse plate box bottom of comprehensive above structure:
The first, 1 millimeter corrosion resistant plate is all adopted on the floor in above two kinds of structures, and floor self is not anti-skidding, for anti-skidding, the way of pasting emery cloth strip on corrosion resistant plate is arranged, but not attractive in appearance, uses after one to two year, comes off with regard to emery cloth strip occurring easily; The sliding aluminium sheet of setting up defences on the upper berth, floor is also arranged, but the fixed form of anti-skidding aluminium sheet is to adopt staking to be connected with the floor, through trampling for a long time, staking place occurs slit and anti-skidding aluminium sheet and floor binding face easily and the gap occurs, cause the water capacity easily to be penetrated in the heat-insulation layer and anti-skidding aluminium sheet under water can ooze out when being subjected to gravity.
The second,, when carrying out humid test, because the expanding with heat and contract with cold of material, draw distortion easily with the drawing crack of junction, floor or with the plate face on floor owing to adopt with the directly welding mutually of several floors.
Three, because the floor is thinner, no muscle position just is difficult to bear concentrfated load or less shock loading.
Four, because the intensity difference of storehouse plate base plate so its base muscle often guarantees its intensity, but is not easy to install smooth like this.
Five, adopt floor drain to work indoor water-supply overflow, for the floor that does not have the inclination angle, the overflow effect is bad.
Summary of the invention
The purpose of this utility model is the deficiency that exists at above-mentioned prior art, a kind of large-scale experiment case heavy load bottom plate is provided, it is by after being provided for keeping the scaffold assembly of base plate shape and the floor pan assembly that is welded to be welded into piece, the face of overlooking that again each piece is weldingly connected into an integral body is the storehouse plate box bottom of rectangle, the gutter channel of storehouse plate box bottom is between the floor of each piece and floor and between floor and the retainer, the floor pan assembly and being used to of being welded keeps being provided with the disconnected heat bridge of load-bearing between the scaffold assembly of base plate shape, the overflow effect that can either improve storehouse plate box bottom solves anti-skidding problem, can solve the floor again and be subjected to local assault to be out of shape and to be out of shape, can also improve heat insulation effect because of the drawing crack of cold and hot variation generation.
The purpose of this utility model is achieved in that storehouse plate box plate is combined by the polylith piece, and described each jigsaw comprises the scaffold assembly that is used to keep the base plate shape, floor pan assembly and heat-insulation layer are welded;
The described scaffold assembly that is used to keep the base plate shape by the square steel crossbeam of retainer, at least two and retainer welding, be welded on bottom panel in square steel crossbeam lower end and the retainer, a plurality ofly be welded on square steel crossbeam upper end and constitute with the staggered brace rod of crossbeam, leave the strain gap between its square steel crossbeam and the ground;
The described floor pan assembly that is welded is by the floor, constitute with the gutter channel of floor welding, a plurality of reinforcements of being welded on the lower surface, floor;
The described floor pan assembly that is welded is welded on the scaffold assembly that is used to keep the base plate shape, the reinforcement of lower surface, floor is corresponding with the brace rod of square steel crossbeam upper end, be provided for cutting off heat conducting thermal insulation board between reinforcement and the brace rod and form disconnected heat bridge, the floor pan assembly and being used for of being welded keeps the interlayer between the scaffold assembly of base plate shape to fill the polyurethane blowing agent forming heat-insulation layer, constitutes a piece that is connected to integral body;
Described polylith piece is put together and is welded into one and overlooks the storehouse plate box bottom that face is a rectangle, and the gutter channel of storehouse plate box bottom is between the floor of each piece and floor and between floor and the retainer, and gutter channel communicates with the external world by the drainpipe that is provided with.
Owing to adopted such scheme, a plurality of reinforcements in the lower surface, floor, use the mode of welding that the base plate inner panel is strengthened the base plate inner panel and welded reinforcement, strengthened the bearing capacity of storehouse plate box bottom greatly, can not only bear very heavy test specimen put press and personnel trample for a long time, can also bear rolling of full-sized car.
Because the transfer mode of strength is no longer by the expanded material transmission, but by the floor with the load distribution that is subjected to reinforcement, by be connected the inner panel brace rod with reinforcement strength transmission is supported on the square steel again, passing to ground then, when having guaranteed to bear more heavy load, also avoided the too much extruding insulation material in floor.Therefore, the utility model is in the load-bearing that has guaranteed storehouse plate base plate, by original carrying 10000N/m
2About weight, rise to 30000-50000N/m
2Weight, the service life of also having improved storehouse plate box bottom greatly simultaneously, traditional storehouse plate box bottom use ruined phenomenon will occur in about 1 year and (come off as inner panel and expanded material, phenomenons such as pit appear in inner panel), storehouse described in the utility model plate box bottom can use more than 15 years.
In addition, the utility model adopts the stainless steel antiskid plate of 2mm as the floor, and its intensity is several times of condition of equivalent thickness aluminium sheet, is better than the iron plate of condition of equivalent thickness, and corrosion resistant plate can also be antirust simultaneously.Compare with the stainless steel base plate inner panel that other 1mm is thick, intensity has obtained bigger raising, and especially shock resistance can obtain very big improvement.Adopt simultaneously at the stainless steel antiskid plate that adopted 2mm in the past as the floor, make that the difficulty of welding muscle reduces greatly on the stainless steel antiskid plate of 2mm.
The utility model is provided for cutting off heat conducting thermal insulation board and forms disconnected heat bridge between reinforcement and brace rod, keep interlayer between the scaffold assembly of base plate shape to fill the polyurethane blowing agent at the floor pan assembly and being used for of being welded and form heat-insulation layer, with the loss of the minimizing energy of trying one's best.Traditional storehouse plate base plate does not have the base plate outside framework, the outer steel plate manufacturing that approaches for one deck (is generally the manufacturing of 1mm steel plate, scaffold is the 5mm steel plate), can't bear collision, during installation, because ground out-of-flatness, be difficult to install, therefore all can do base, if storehouse plate plate inner surface is too high apart from ground, personnel's turnover and vehicle turnover are all very inconvenient, and storehouse, seat therefore with the end back plate base plate just can not be done too thickly.The utility model unites two into one storehouse plate base plate and base, the thickness of storehouse plate box bottom is increased to 150mm by original 100mm, reality increases to 150mm with heat-insulation layer, though the thickness of storehouse plate box bottom adds the height (traditional for 200mm) of base less than traditional storehouse plate box bottom, heat insulation effect is significantly better than traditional storehouse plate box bottom.
In addition, the floor pan assembly that is welded is welded on the scaffold assembly that is used to keep the base plate shape, and the reinforcement of lower surface, floor is corresponding with the brace rod of square steel crossbeam upper end, has reduced the contact area on reinforcement and floor, has reduced hot transmission.The leakage of cold and hot energy in the plate case of storehouse, main mode is conduction, and contact area is big more, and the energy of conduction is just many more; Traditional reinforcement is that a face contacts with the floor, reinforcement of the present utility model is that two limits contact with the floor, and the floor pan assembly side is provided with opening being welded, further reduced the contact area of reinforcement and base plate inner panel, this structure can also guarantee the uniformity of solder joint when the base plate inner panel welds to not influence of the reinforcement intensity after welding.
The utility model on the scaffold assembly, weld a plurality of in square steel crossbeam upper end and with the staggered brace rod of crossbeam to increase heat insulation effect as much as possible, the fixedly connected thermal insulation board in the upper surface of described brace rod has further been blocked the transmission of energy.Design has waist-shaped hole on brace rod, and blocking effect has also been played in the transmission of energy
The utility model adopts the stainless steel antiskid plate as the floor, between the floor of each piece and floor and between floor and the retainer gutter channel is set, has strengthened the anti-skidding and condensed water relief function in floor.Anti-skidding corrosion resistant plate has been adopted on the floor, its good antiskid effect, long service life.Condensed water in traditional storehouse plate casing is owing to adopt the floor drain draining, ponding near the fritter area around the floor drain can only be got rid of, the utility model adopts the gutter channel draining, gutter channel around the plate base plate of storehouse communicates with the gutter channel between the base plate jigsaw, and ponding is just got rid of by overflow pipe at an easy rate like this.
The utility model adopts the polylith piece to put together to be welded into one overlooks the storehouse plate box bottom that face is a rectangle, can avoid welding deformation, the gutter channel of storehouse plate box bottom is between the floor of each piece and floor and between floor and the retainer, gutter channel communicates with the external world by the drainpipe that is provided with, during welding, contraction by gutter channel, eliminate the stress of welding, guaranteed the smooth of base plate face, simultaneously when doing high low temperature test, by the contraction adjustment of waterway, compensated the cold and hot modification of plate face, avoided the welding position by drawing crack.Be added with lid on the gutter channel, avoided the inconvenience of using.
For installing and convenient in carrying, on the base plate jigsaw, be provided with suspension ring.Leave the strain gap between square steel crossbeam in the described scaffold assembly and the ground, retainer only peripheral when storehouse plate base plate is installed contacts with ground, the square steel crossbeam and the ground of middle part are at regular intervals, so only need the peripheral part of storehouse plate base plate is leveled up, whole base plate is promptly installed smooth.
Description of drawings
Fig. 1 is the schematic top plan view of the utility model storehouse plate box bottom;
Fig. 2 is the schematic diagram that is used to keep the scaffold assembly of base plate shape of the present utility model;
Fig. 3 is that the A-A of Fig. 2 is to profile;
Fig. 4 is the schematic top plan view of the floor pan assembly that is welded of the present utility model;
Fig. 5 is the elevational schematic view of floor pan assembly of being welded;
Fig. 6 is that the A-A of Fig. 4 is to profile;
Fig. 7 is the partial enlarged drawing at C place among the figure;
Fig. 8 is the schematic top plan view of the utility model piece;
Fig. 9 is that the A-A of Fig. 8 is to profile;
Figure 10 is that the B-B of Fig. 8 is to profile;
Figure 11 is the schematic side view of brace rod in the utility model;
Figure 12 interrupts the structural representation of heat bridge for the utility model.
In the accompanying drawing, 1a, 1b, 1c are piece, and 2 is suspension ring, and 3 for being used to keep the scaffold assembly of base plate shape, 4 are the floor pan assembly that is welded, and 5 is drainpipe, and 6 is gutter channel, 7 are hook, and 8 is retainer, and 9 is the square steel crossbeam, 10 for strengthening support, and 11 is brace rod, and 12 is bottom panel, 13 is the floor, and 14 is reinforcement, and 15 is horizontal bar, 16 is thermal insulation board, and 17 is heat-insulation layer, and 18 is through hole (mounting hole or bar hole).
The specific embodiment
Referring to Fig. 1-Figure 12.
Storehouse plate box bottom, storehouse plate box bottom is combined by the polylith piece.Described each jigsaw comprises the scaffold assembly 3 that is used to keep the base plate shape, floor pan assembly 4 and heat-insulation layer are welded.The described scaffold assembly 3 that is used to keep the base plate shape by the square steel crossbeam 9 of retainer 8, at least two and retainer welding, be welded on bottom panel 12 in square steel crossbeam lower end and the retainer, a plurality ofly be welded on square steel crossbeam upper end and constitute with the staggered brace rod 11 of crossbeam, leave the strain gap between its square steel crossbeam 9 and the ground, when whole storehouse plate box bottom is installed, only need the periphery of storehouse plate box bottom is leveled up, be about to whole base plate and install smooth.The square steel crossbeam is two in the plate box bottom of storehouse, also can be three or four, is used to increase the intensity of scaffold assembly.
The described floor pan assembly that is welded is by floor 13, constitute with the gutter channel 6 of floor welding, a plurality of reinforcements 14 of being welded on the lower surface, floor.The described floor pan assembly that is welded is welded on the scaffold assembly that is used to keep the base plate shape, the reinforcement 14 of 13 lower surfaces, floor is corresponding with the brace rod 11 of square steel crossbeam 9 upper ends, be subjected to the time spent of doing of load when the floor, the floor with the load distribution that is subjected to reinforcement, again by being connected brace rod with reinforcement, the power of load is transmitted on the square steel, be delivered to ground at last, strengthened the bearing capacity of storehouse plate box bottom greatly.The cross section of described brace rod 11 is a π shape structure, downward and the square steel crossbeam welding of the brace rod openend of this π shape structure, the fixedly connected thermal insulation board 16 in the upper surface of brace rod, described cross section is that the two side of the brace rod 11 of π shape structure is provided with the through hole 18 that arrange many misarrangements position, described through hole 18 is mounting hole or bar hole, in order to the transmission of blocking-up storehouse plate box bottom self-energy, with the further transmission of blocking energy.Be provided for cutting off heat conducting thermal insulation board 16 between reinforcement and the brace rod and form disconnected heat bridge, to increase heat insulation effect.The cross section of described reinforcement 14 is the U-shaped structure, and the openend of this U-shaped structural bead upwards welds with the floor, to have reduced the contact area on reinforcement and floor, and the uniformity of solder joint when guaranteeing the floor welding.The openend of U-shaped structural bead is provided with the some breach that form the strong point, be used to prevent to weld modification and guarantee the welding uniformity, be welded with horizontal bar 15 between described reinforcement 14 and the reinforcement, form " well " word structure, be used to increase the intensity of storehouse plate box bottom.The floor pan assembly and being used for of being welded keeps the interlayer between the scaffold assembly of base plate shape to fill the polyurethane blowing agent forming heat-insulation layer 17, further strengthen heat preservation effect.
Described polylith piece is put together and is welded into one and overlooks the storehouse plate box bottom that face is a rectangle, the gutter channel 6 of storehouse plate box bottom is between the floor 13 of each piece and floor and between floor and the retainer 8, gutter channel communicates with the external world by the drainpipe 5 that is provided with, and gets rid of storehouse plate box bottom ponding by overflow pipe.Described gutter channel 6 is stamped groove lid 6a, not during draining, covers slotted eye at gutter channel.Storehouse plate box bottom is symmetrically arranged with suspension ring 2 on relative both sides, and storehouse plate box bottom is provided with some hooks 7 that are used for link library plate casing wallboard in the upper surface of the retainer 8 on three limits.
The anti-skidding stainless checkered plate of 2 millimeters thick is adopted on described floor 13, to increase its intensity and antirust, is convenient to welding simultaneously, and anti-skidding stainless checkered plate makes storehouse plate box bottom skidproof effect good.
Claims (10)
1. large-scale experiment case heavy load bottom plate, storehouse plate box bottom is combined by the polylith piece, it is characterized in that: described each jigsaw comprises the scaffold assembly that is used to keep the base plate shape, floor pan assembly is welded, and heat-insulation layer, the described floor pan assembly that is welded is welded on the scaffold assembly that is used to keep the base plate shape, the floor pan assembly and being used for of being welded keeps the interlayer between the scaffold assembly of base plate shape to fill the polyurethane blowing agent forming heat-insulation layer, constitute one and be connected to whole piece, the polylith piece is put together and is welded into one and overlooks the storehouse plate box bottom that face is a rectangle, storehouse plate box bottom is provided with gutter channel, and gutter channel communicates with the external world by the drainpipe that is provided with.
2. large-scale experiment case heavy load bottom plate according to claim 1, it is characterized in that: the described scaffold assembly (3) that is used to keep the base plate shape by the square steel crossbeam of retainer, at least two and retainer welding, be welded on bottom panel in square steel crossbeam lower end and the retainer, a plurality ofly be welded on square steel crossbeam upper end and constitute with the staggered brace rod of crossbeam, leave the strain gap between its square steel crossbeam and the ground.
3. large-scale experiment case heavy load bottom plate according to claim 1, it is characterized in that: the described floor pan assembly that is welded is by the floor, constitute with the gutter channel of floor welding, a plurality of reinforcements of being welded on the lower surface, floor, the reinforcement of lower surface, floor is corresponding with the brace rod of the square steel crossbeam upper end of the scaffold assembly that is used to keep the base plate shape, be provided for cutting off heat conducting thermal insulation board between reinforcement and the brace rod and form disconnected heat bridge, described gutter channel is between the floor of each piece and floor and between floor and the retainer.
4. according to claim 2 or 3 described large-scale experiment case heavy load bottom plates, it is characterized in that: the cross section of described brace rod is a π shape structure, the downward and square steel crossbeam welding of the brace rod openend of this π shape structure, the fixedly connected thermal insulation board in the upper surface of brace rod.
5. large-scale experiment case heavy load bottom plate according to claim 4 is characterized in that: described cross section is that the two side of brace rod of the brace rod of π shape structure is provided with the through hole that arrange many misarrangements position.
6. large-scale experiment case heavy load bottom plate according to claim 3, it is characterized in that: the cross section of described reinforcement is the U-shaped structure, the openend of this U-shaped structural bead upwards welds with base plate, and the openend of U-shaped structural bead has the some breach that form the strong point.
7. according to claim 3 or 6 described large-scale experiment case heavy load bottom plates, it is characterized in that: be welded with horizontal bar between described reinforcement and the reinforcement.
8. large-scale experiment case heavy load bottom plate according to claim 3 is characterized in that: the anti-skidding stainless checkered plate of 2 millimeters thick is adopted on described floor.
9. large-scale experiment case heavy load bottom plate according to claim 1 is characterized in that: described gutter channel is stamped the groove lid.
10. large-scale experiment case heavy load bottom plate according to claim 1, it is characterized in that: the described face of overlooking is that the storehouse plate box bottom of rectangle is provided with some hooks that are used for link library plate casing wallboard in the upper surface of the retainer on three limits, is symmetrically arranged with suspension ring on relative both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200991610U CN201337906Y (en) | 2008-12-22 | 2008-12-22 | Large test box overloading soleplate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200991610U CN201337906Y (en) | 2008-12-22 | 2008-12-22 | Large test box overloading soleplate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201337906Y true CN201337906Y (en) | 2009-11-04 |
Family
ID=41233441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200991610U Expired - Lifetime CN201337906Y (en) | 2008-12-22 | 2008-12-22 | Large test box overloading soleplate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201337906Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633071A (en) * | 2012-03-28 | 2012-08-15 | 东莞市永强汽车制造有限公司 | Thermal bridge partition board and tank truck tank body with heat insulation interlayer |
| CN106742559A (en) * | 2016-12-21 | 2017-05-31 | 南京航空航天大学 | A kind of low temperature friction wear testing machine double-layer heat insulation body structure |
-
2008
- 2008-12-22 CN CNU2008200991610U patent/CN201337906Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633071A (en) * | 2012-03-28 | 2012-08-15 | 东莞市永强汽车制造有限公司 | Thermal bridge partition board and tank truck tank body with heat insulation interlayer |
| CN106742559A (en) * | 2016-12-21 | 2017-05-31 | 南京航空航天大学 | A kind of low temperature friction wear testing machine double-layer heat insulation body structure |
| CN106742559B (en) * | 2016-12-21 | 2018-02-09 | 南京航空航天大学 | A kind of low temperature friction wear testing machine double-layer heat insulation body structure |
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Granted publication date: 20091104 |
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| CX01 | Expiry of patent term |