CN112793684A - Manufacturing method of integral refrigerator carriage - Google Patents
Manufacturing method of integral refrigerator carriage Download PDFInfo
- Publication number
- CN112793684A CN112793684A CN202110163871.5A CN202110163871A CN112793684A CN 112793684 A CN112793684 A CN 112793684A CN 202110163871 A CN202110163871 A CN 202110163871A CN 112793684 A CN112793684 A CN 112793684A
- Authority
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- China
- Prior art keywords
- carriage
- integral
- inner panel
- front wall
- side wall
- Prior art date
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 229920002635 polyurethane Polymers 0.000 claims abstract description 11
- 239000004814 polyurethane Substances 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 13
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 11
- 239000011496 polyurethane foam Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- -1 extruded sheet Polymers 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 238000013329 compounding Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
- B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention provides a manufacturing method of an integral refrigerator carriage, which comprises the following steps: a, cutting and forming a front wall according to a front wall outer contour template, installing the front wall at the front end of a carriage, and plugging a peripheral gap by adopting a filler; b, mounting a bottom plate, a bottom plate optional part and a skirt plate; c, installing an inner contour positioning limiting part on the front wall according to the front wall inner contour template; d, mounting limiting blocks at two sides of the carriage; e, compounding a reinforced heat-insulating layer in the left side wall, the right side wall and the top plate area of the integral inner panel; f, bending the integral inner panel into an arched door shape, and pushing the arched door into the passenger compartment type carriage for fixing; g, installing a forming die, and forming a cavity between the passenger compartment type carriage and the integral inner panel; injecting a polyurethane raw material into the cavity to form an integral structure of the refrigerator carriage heat-insulating layer; i, mounting a prefabricated rear sealing plate and a rear door; j front wall and back sealing plate and integral inner panel are sealed and waterproof. The invention has high space utilization rate, easy control of the standard of the forming size, simplified manufacturing process and improved manufacturing efficiency.
Description
Technical Field
The invention relates to the technical field of refrigerated carriages, in particular to a manufacturing method of an integral type refrigerated carriage.
Background
At present, the irregular refrigerator van in domestic market mainly adopts six plane composite boards to be assembled and combined in the original van, and then the section bars are fastened and molded at the corners. The bottom plate, the top plate, the left side plate, the right side plate, the front sealing plate and the rear sealing plate (including a rear door) which form the refrigerated carriage are all made of sandwich-type adhesive plates, the plates need to be bonded by double-sided panels and more glue, the material consumption is large, the manufacturing period is long, the cost is high, the adhesion between each carriage plate and the original carriage surface is poor, the loading space waste is large, and the cold leakage phenomenon is serious; the other mode is that a refrigerator compartment is made first and is integrally placed in a passenger compartment type vehicle for fixing, but the refrigerator compartment is heavy, difficult to operate, small in space, low in space utilization rate in the passenger compartment type vehicle and large in space waste.
Disclosure of Invention
The invention provides a manufacturing method of an integral refrigerator carriage, which has the advantages that the space utilization rate in the carriage is high, the strength of a plate is improved due to radian molding, an integral inner panel is a complete whole plate and is not required to be connected by an additional splicing process, the manufacturing process is reduced, the appearance is attractive and easy to clean, the manufacturing efficiency is improved, and the integral molding thickness of the carriage is uniform, the plate surface is flat, and the positioning is accurate and standard in installation by additionally arranging a limiting block and a molding die.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for manufacturing an integral refrigerator van comprises the following steps:
A. marking a prefabricated front wall of the refrigerator carriage by using a front wall outer contour template, cutting and forming, positioning and fixing the front wall at the front end of the carriage, and sealing a peripheral gap by using a filler;
B. installing and fixing a prefabricated refrigeration carriage heat preservation bottom plate, a bottom plate optional part and peripheral skirt boards;
C. adopting a front wall inner contour positioning die of a refrigerator carriage, and installing an inner contour positioning limiting part on the front wall;
D. the thickness limiting blocks of the heat-insulating layer are arranged in the top areas of the left side wall and the right side wall of the passenger compartment type carriage in front and at the back, and are used for controlling the thickness of the formed plate;
E. the left side wall, the right side wall and the top plate are combined together to form an integral inner panel by using a whole plate, a layer of heat preservation layer with enhanced strength is compounded in the corresponding areas of the left side wall, the right side wall and the top plate, and a cold machine mounting part and fixed mounting parts of the two side walls are bonded;
F. bending the integral inner panel into an arched door shape, pushing the integral inner panel into a passenger compartment type carriage, fixing the bottom of the integral inner panel with the skirt board, and positioning the inner surface of the front end close to the limiting part of the inner contour of the front wall;
G. the method comprises the following steps that a radian forming die and a transition fillet forming die are adopted, an integral inner panel is tightly attached and supported, thickness limiting parts on two sides are tightly pressed, transition fillets on two sides of the top are formed by bending the die, and a cavity is formed between a passenger compartment type carriage and the integral inner panel;
H. continuously injecting a polyurethane raw material into the cavity from the tail end to the front end of the carriage by using polyurethane injection equipment, fully filling the cavity after the polyurethane raw material is foamed, and connecting the cavity with the front wall and the bottom plate to form an integral structure of a heat-insulating layer of the refrigerated carriage;
I. prefabricating a rear sealing plate, connecting and fixing the prefabricated rear sealing plate with the top plate, the left side wall, the right side wall and the tail end of the bottom plate, and installing a rear door of the refrigerator carriage;
J. and (3) mounting a carriage accessory, performing sealing and waterproof treatment on the assembling positions of the front wall, the rear sealing plate and the integral inner panel, and finishing the manufacture of the integral refrigerator carriage.
Preferably, the filler used in step a is polyurethane foam or extruded sheet.
Preferably, the optional parts of the bottom plate of the heat preservation bottom plate of the refrigerator compartment and the surrounding skirt boards in the step B, and the rear sealing plate in the step I, the top plate, the left side wall, the right side wall and the tail end of the bottom plate are fixedly connected by structural adhesive glue.
Preferably, the limiting block in the step D can be rigid polyurethane foam, an extruded sheet, a rubber block, a batten, or the like, so as to meet the requirements of the compartment body on heat preservation and insulation performance.
Preferably, the integral inner panel in the step E is a complete composite material plate formed without splicing.
Preferably, the heat insulation layer in the step E is a rigid polyurethane foam board or an extruded board, or other rigid heat insulation materials meeting the requirement of heat insulation performance, so as to increase the board surface strength and improve the flatness of the board surface molding.
Preferably, the waterproof sealing treatment in step J is treatment with a sealant.
Compared with the prior art, the invention has the beneficial effects that:
(1) the roof, the left side of refrigerator carriage enclose and the right side encloses the shaping of utilizing standardized carriage inner face radian forming die and transition fillet mould, guarantee that carriage both sides and top preparation shaping size are standardized, can keep the carriage dimensional stability of making in batches. The shape of the refrigerator carriage is similar to that of the passenger carriage type carriage, the bending radian is standard size, the space waste caused by the irregular shape of the passenger carriage type carriage after the refrigerator carriage is manufactured is reduced, and the utilization rate of the inner space is improved.
(2) The integral inner panel is a whole plate, and is connected without additional splicing process, and is directly bent and formed during the carriage manufacturing process under the action of a shaping mold, and smooth and natural fillet transition is formed between the side wall and the top plate, so that the carriage is not cracked, is attractive, convenient and clean, simple and convenient in process, easy to realize and control, and can improve the efficiency;
(3) a layer of heat-insulating layer is pre-compounded on the top plate and the side plate part of the integral inner panel to enhance the strength of the panel, and the problem of wavy and uneven panel caused by pouring foaming is effectively solved.
(4) The integral inner panel is ensured not to deflect left and right during pouring through the action of the limiting parts and the forming die on the front wall and the two side walls, and the forming size of the carriage and the thickness of the heat insulation layer are ensured to be uniform;
(5) prefabricated heat preservation bottom plate, preceding enclose and back shrouding, size control and heat preservation density control are more accurate, and panel strength is high, reducible operation in the limited space of passenger compartment formula carriage, improves production efficiency.
Drawings
FIG. 1 is a flow chart of a method of making an integrated refrigerated compartment of the present invention;
FIG. 2 is a schematic longitudinal vertical cross-sectional view of a refrigerated compartment of the present invention;
FIG. 3 is a cross-sectional schematic view of a refrigerated compartment of the present invention;
FIG. 4 is a schematic rear view of the refrigerated compartment of the present invention;
FIG. 5 is a schematic view of the production operation of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element/feature is referred to as being "disposed on" another element/feature, it can be directly on the other element/feature or intervening elements/features may also be present. When a component/part is referred to as being "connected/coupled" to another component/part, it can be directly connected/coupled to the other component/part or intervening components/parts may also be present. The term "connected/coupled" as used herein may include electrical and/or mechanical physical connections/couplings. The term "comprises/comprising" as used herein refers to the presence of features, steps or components/features, but does not preclude the presence or addition of one or more other features, steps or components/features. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
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 application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1 to 5, a method for manufacturing an integral refrigerator car includes the following steps:
A. cleaning sundries and unnecessary interior trim parts in the passenger compartment type carriage 1, scribing the prefabricated front wall 3 of the refrigerated carriage according to the front wall outline template, then cutting and forming, positioning and fixing the front end of the passenger compartment type carriage 1, and completely filling and sealing the peripheral gap by adopting polyurethane foam.
B. The prefabricated refrigeration carriage heat preservation bottom plate 4 is fixedly installed by adopting structural bonding glue, and a bottom plate optional part and peripheral skirt boards 5 of the refrigeration carriage are installed at the same time.
C. Adopt enclose interior profile positioning die before refrigerator carriage, enclose 3 in the front and install the several interior profile positioning locating part, the preferred angle aluminium of locating part can be replaced with other metal or non-metallic section bar or the piece of bending, can satisfy whole interior panel 6 effective spacing location can.
D. In the top region of the left and right sides of the passenger compartment type carriage 1, a plurality of rigid polyurethane foam block limiting blocks 12 which meet the design size requirement are arranged in the front and at the back, and are used as positioning and limiting of the whole inner panel 6 on the left and right sides to limit the thickness of the side wall and control the thickness of a formed plate, the limiting blocks are preferably rigid polyurethane foam and can be replaced by rigid square materials with certain heat insulation performance, such as extruded plates, rubber blocks, battens and the like.
E. The blanking integral inner panel 6 is formed by compounding a layer of reinforced heat preservation layer 10 in the left side wall, the right side wall and the top plate area according to the drawing requirements, and bonding the mounting parts of the cold machine 2 and the fixing mounting parts at the two sides, wherein the heat preservation layer 10 is preferably a hard polyurethane foam plate, and can also be replaced by heat preservation material plates meeting heat preservation performance such as extruded plates.
F. The integral inner panel 6 is bent into an arched door shape and pushed into the passenger compartment type carriage 1, the bottom of the integral inner panel 6 is fixedly riveted with the bottom plate optional part and the skirt plate 5, and the inner surface of the front end is tightly attached to the limiting part on the inner contour of the front wall for positioning.
G. With transition fillet forming die 13 and side wall radian forming die 14, roof radian forming die 15 put into in passenger compartment formula carriage 1, adjust the bracing piece size, let transition fillet forming die 13, side wall radian forming die 14, roof radian forming die 15 all with whole interior panel 6 paste actually and prop tightly, whole interior panel 6 then compresses tightly heated board thickness stopper 12, ensure the smooth shaping at transition fillet, confirm whether the inside size of group's mould shaping meets the design requirement. A cavity 11 is formed between the passenger compartment 1 and the integral inner panel 6.
H. Polyurethane raw materials are continuously injected into a cavity 11 formed by the integral inner panel 6 and the passenger compartment type carriage 1 from the tail end to the front end of the passenger compartment type carriage 1 by utilizing polyurethane injection equipment, a top plate and a side wall injection heat-insulation layer 7 are formed after the polyurethane raw materials are foamed to fill the cavity 11, and the cavity 11 is connected with the front wall 3 and the bottom plate 4, so that a gap of a connecting position is sealed, and the integral structure of the heat-insulation layer of the refrigerated carriage is formed.
I. Polyurethane foam overflowing from the tail end of the whole inner panel 6 is cleaned, a prefabricated rear sealing plate 8 and a section structure of the insulation board at the tail end of the carriage after being poured and molded are adhered, installed and fixed, and a rear door 9 of the refrigerator carriage is installed well.
J. And (3) mounting the carriage accessories, and applying sealant to the assembly positions of the front wall 3, the rear sealing plate 9 and the integral inner panel 6 for sealing and waterproof treatment. And the sanitation and the function test of the carriage are finished, and the integral refrigerated carriage is manufactured completely.
According to the invention, the standardized internal molding size of the refrigerator carriage is ensured to be standardized with the aid of the limiting block 12 through the standardized transition fillet molding die 13, the side wall radian molding die 14 and the top plate radian molding die 15, and the dimensional stability of the carriage manufactured in batches can be kept. The side wall and the top plate are made into the integral inner panel 6 by adopting the whole composite material panel without splicing, the splicing process is not needed, and the operation is simple and convenient. Through the effect of transition fillet forming die 13, panel 6 forms smooth-going natural fillet transition in crooked fillet position in whole, and the fracture is not beautifully just convenient clean, and simple and convenient easy realization of technology is easily controlled. A layer of heat preservation layer 10 is compounded in advance in the side wall area and the top plate area of the whole inner panel 6 to strengthen the board strength, the problem of board wave unevenness caused by polyurethane pouring foaming is effectively solved, and the heat preservation layer 10 is not added in advance at the fillet transition part of the whole inner panel 6 for facilitating bending forming. Through the limiting angle aluminum positioned according to the contour template in the carriage and the limiting blocks 12 on the two side faces, the whole inner panel 6 is positioned by assembling the modules, the whole inner panel 6 is ensured not to incline left and right during pouring, and the shape and the size of the carriage are ensured. By adopting the prefabricated front wall 3, the bottom plate 4, the rear sealing plate 8 and the rear door 9, the size and the density of the heat insulation layer are easier to control, the density is uniform, the strength of the plate is high, the limited space operation in the passenger compartment type carriage 1 can be reduced, and the production efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A method for manufacturing an integral refrigerator van, comprising the steps of:
A. marking a prefabricated front wall of the refrigerator carriage by using a front wall outer contour template, cutting and forming, positioning and fixing the front wall at the front end of the carriage, and sealing a peripheral gap by using a filler;
B. installing and fixing a prefabricated refrigeration carriage heat preservation bottom plate, a bottom plate optional part and peripheral skirt boards;
C. adopting a front wall inner contour positioning die of a refrigerator carriage, and installing an inner contour positioning limiting part on the front wall;
D. the thickness limiting blocks of the heat-insulating layer are arranged in the top areas of the left side wall and the right side wall of the passenger compartment type carriage in the front and at the back;
E. the left side wall, the right side wall and the top plate are combined together to form an integral inner panel by using a whole plate, a layer of heat preservation layer with enhanced strength is compounded in the corresponding areas of the left side wall, the right side wall and the top plate, and a cold machine mounting part and fixed mounting parts of the two side walls are bonded;
F. bending the integral inner panel into an arched door shape, pushing the integral inner panel into a passenger compartment type carriage, fixing the bottom of the integral inner panel with the skirt board, and positioning the inner surface of the front end close to the limiting part of the inner contour of the front wall;
G. the method comprises the following steps that a radian forming die and a transition fillet forming die are adopted, an integral inner panel is tightly attached and supported, thickness limiting parts on two sides are tightly pressed, transition fillets on two sides of the top are formed by bending the die, and a cavity is formed between a passenger compartment type carriage and the integral inner panel;
H. continuously injecting a polyurethane raw material into the cavity from the tail end to the front end of the carriage by using polyurethane injection equipment, fully filling the cavity after the polyurethane raw material is foamed, and connecting the cavity with the front wall and the bottom plate to form an integral structure of a heat-insulating layer of the refrigerated carriage;
I. prefabricating a rear sealing plate, connecting and fixing the prefabricated rear sealing plate with the top plate, the left side wall, the right side wall and the tail end of the bottom plate, and installing a rear door of the refrigerator carriage;
J. and (3) mounting a carriage accessory, performing sealing and waterproof treatment on the assembling positions of the front wall, the rear sealing plate and the integral inner panel, and finishing the manufacture of the integral refrigerator carriage.
2. The method of claim 1, wherein the filler used in step a is polyurethane foam or extruded sheet.
3. The method of claim 1, wherein the installation and fixation of the insulated bottom plate, the bottom plate optional part and the peripheral skirt plates of the refrigerated compartment in the step B and the connection and fixation of the rear sealing plate, the top plate, the left side wall, the right side wall and the tail end of the bottom plate in the step I are all fixed by structural adhesive glue.
4. The method as claimed in claim 1, wherein the stopper in step D is one of rigid polyurethane foam, extruded sheet, rubber block or wood.
5. A method of making a one-piece refrigerator car according to claim 1, wherein said integral inner panel of step E is a single integral, splice-free panel of composite material.
6. The method as claimed in claim 1, wherein the insulation layer in step E is a rigid polyurethane foam board or an extruded board.
7. The method of claim 1, wherein the step J of sealing and waterproofing is performed by using a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110163871.5A CN112793684B (en) | 2021-02-05 | 2021-02-05 | Manufacturing method of integral refrigerator carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110163871.5A CN112793684B (en) | 2021-02-05 | 2021-02-05 | Manufacturing method of integral refrigerator carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112793684A true CN112793684A (en) | 2021-05-14 |
| CN112793684B CN112793684B (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110163871.5A Active CN112793684B (en) | 2021-02-05 | 2021-02-05 | Manufacturing method of integral refrigerator carriage |
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| Country | Link |
|---|---|
| CN (1) | CN112793684B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2664546A1 (en) * | 1990-07-11 | 1992-01-17 | Lebrequier Marcel | REMOVABLE ISOTHERMAL CELL FOR VAN. |
| DE10023975A1 (en) * | 2000-05-16 | 2001-11-22 | Ralph Kerstner | Seamless inner lining made of PU, especially for fresh service or refrigerated vehicles |
| CN201261419Y (en) * | 2008-08-04 | 2009-06-24 | 江西江铃专用车辆厂 | Combined type commercial refrigerator wagon |
| CN202368687U (en) * | 2011-09-26 | 2012-08-08 | 蓝星(北京)化工机械有限公司 | Refrigerating and temperature adjusting carriage body and carriage |
| CN103737943A (en) * | 2013-12-31 | 2014-04-23 | 广州拜尔冷链聚氨酯科技有限公司 | Refrigerator car carriage inner skin manufacturing process and mould and refrigerator car carriage manufacturing process |
| CN204641515U (en) * | 2015-05-07 | 2015-09-16 | 杭州路格科技有限公司 | There is the van cooler of temperature monitor |
| CN106750123A (en) * | 2016-12-15 | 2017-05-31 | 广州市极合技术咨询有限公司 | A kind of mounted refrigerating cabinet of high leakproofness |
| CN109204110A (en) * | 2018-09-03 | 2019-01-15 | 中车长江车辆有限公司 | Refrigerated Railway Cars roof construction, foaming method and refrigerator car |
-
2021
- 2021-02-05 CN CN202110163871.5A patent/CN112793684B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2664546A1 (en) * | 1990-07-11 | 1992-01-17 | Lebrequier Marcel | REMOVABLE ISOTHERMAL CELL FOR VAN. |
| DE10023975A1 (en) * | 2000-05-16 | 2001-11-22 | Ralph Kerstner | Seamless inner lining made of PU, especially for fresh service or refrigerated vehicles |
| CN201261419Y (en) * | 2008-08-04 | 2009-06-24 | 江西江铃专用车辆厂 | Combined type commercial refrigerator wagon |
| CN202368687U (en) * | 2011-09-26 | 2012-08-08 | 蓝星(北京)化工机械有限公司 | Refrigerating and temperature adjusting carriage body and carriage |
| CN103737943A (en) * | 2013-12-31 | 2014-04-23 | 广州拜尔冷链聚氨酯科技有限公司 | Refrigerator car carriage inner skin manufacturing process and mould and refrigerator car carriage manufacturing process |
| CN204641515U (en) * | 2015-05-07 | 2015-09-16 | 杭州路格科技有限公司 | There is the van cooler of temperature monitor |
| CN106750123A (en) * | 2016-12-15 | 2017-05-31 | 广州市极合技术咨询有限公司 | A kind of mounted refrigerating cabinet of high leakproofness |
| CN109204110A (en) * | 2018-09-03 | 2019-01-15 | 中车长江车辆有限公司 | Refrigerated Railway Cars roof construction, foaming method and refrigerator car |
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| Publication number | Publication date |
|---|---|
| CN112793684B (en) | 2022-05-13 |
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