CN117463849A - Multidimensional cooperative precise transmission mechanism of corrugated plate die of liquefied natural gas storage tank - Google Patents
Multidimensional cooperative precise transmission mechanism of corrugated plate die of liquefied natural gas storage tank Download PDFInfo
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- CN117463849A CN117463849A CN202311506196.7A CN202311506196A CN117463849A CN 117463849 A CN117463849 A CN 117463849A CN 202311506196 A CN202311506196 A CN 202311506196A CN 117463849 A CN117463849 A CN 117463849A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 76
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 42
- 208000017740 grade III prostatic intraepithelial neoplasia Diseases 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a multidimensional cooperative precise transmission mechanism of a corrugated plate die of a liquefied natural gas storage tank, which comprises a first variable pitch slot linkage shaft (5), a first variable pitch slot (6), a first transmission pin (8), a second variable pitch slot linkage shaft (11), a second variable pitch slot (12), a second transmission pin (14), a third variable pitch slot linkage shaft (33), a third variable pitch slot (34), a third transmission pin (35), a first linkage connecting rod (7), a second linkage output rod (13) and a third linkage output rod (36), can improve the phase precision of each output movement of a hydraulic servo system, realize low thinning rate of part materials, improve the dimensional precision of products, and relates to the fields of liquefied natural gas transport vessels and land-based liquefied natural gas storage.
Description
Technical Field
The invention particularly relates to the field of liquefied natural gas transport ships and the field of land-based liquefied natural gas storage, in particular to a stainless steel corrugated plate for a liquefied natural gas warehouse.
Background
Corrugated plates of high-pressure liquefied natural gas storage tanks are important parts of liquefied natural gas transport vessels and land storage tanks. The special stainless steel precision plate forming part of the liquefied natural gas storage tank has high production requirement, the use environment temperature is 160 ℃ below zero, the thinning rate of the part material is lower than 5%, the surface of the formed part is free from scratch and forming marks, the longitudinal and transverse corrugated superposition area is complex in deformation, the mould is required to act in the vertical direction, the left and right directions and the front and rear directions, and strict time sequence and coordination are realized; at present, the forming of large waves, small waves and nodules of stainless steel corrugated plates for a film type liquefied natural gas warehouse is mainly realized by a hydraulic servo mechanism, and the phase precision is ensured when feeding in two directions of a plane, but the product quality needs to be further improved; the film type liquefied natural gas warehouse is formed by large waves of stainless steel corrugated plates firstly, and then small waves and nodules are formed; when large corrugations are formed, the corrugated plates are formed one by one in sequence, the areas of the corrugated plates at the two sides of the forming die are always changed, the friction force between the corrugated plates at the two sides and the supporting table surface is also continuously changed, and different temperatures and humidity have influence on the friction force at the two sides, so that the propelling force at the two sides can be changed when the large corrugations are formed, and the control program and the real-time performance of the hydraulic servo system are difficult to adapt to the change in a complex environment; in the case of the hydraulic servo drive system, under the changing conditions, the requirements on the precision of the sensor and the speed of the actuator are higher, and the precision of the existing equipment control system is insufficient, so that the consistency of the size after large corrugation molding is required to be improved; the precision of the existing processing technology is reduced, and the construction quality is obviously reduced due to the fact that the dimensional precision cannot meet the requirement during on-site welding and assembly, the construction difficulty is increased, and the construction time is prolonged; therefore, the high precision of the mutual motion phase is ensured by the related high-precision mechanical transmission mechanism while the motion of the die is controlled by the servo, so as to meet the quality requirement of ensuring the corrugated plate.
Disclosure of Invention
In order to overcome the defects, the invention provides a multidimensional cooperative precise transmission mechanism of a corrugated plate die of a liquefied natural gas storage tank, which is provided with three groups of variable-pitch slot linkage shafts, linkage output rods, transmission pins, transmission shafts, transmission gears and the like, wherein the law of variable-pitch slots of the variable-pitch slot linkage shafts ensures the mutual motion phase relation among all moving parts of a forming die, has the function of precisely determining the precise motion phase relation among an upper male die, a left half female die and a right half female die of the corrugated plate die, realizes the forming of large waves, has low thinning rate of part materials, has no scratch and forming trace on the surface of the formed part, improves the dimensional precision of products, and has strong practicability.
The invention is realized by the following technical scheme: the utility model provides a multi-dimensional cooperation precision transmission mechanism of liquefied natural gas storage tank buckled plate mould, punch motion input gear coaxial coupling installs first motion input shaft, first motion input shaft coaxial coupling installs transmission bevel gear first, transmission bevel gear coaxial coupling output shaft first, output shaft first coaxial coupling variable pitch groove universal driving shaft first, variable pitch groove first has on the variable pitch groove universal driving shaft face of cylinder, variable pitch groove first and transmission pin first sliding contact cooperation installation, transmission pin first slide in variable pitch groove, transmission pin first fixed mounting is on linkage connecting rod first, linkage connecting rod fixed connection installs the left half die of buckled plate, the left half die of buckled plate reciprocates along left half die motion direction, punch motion input gear coaxial coupling output shaft second, output shaft second coaxial coupling variable pitch groove universal driving shaft second, variable pitch groove universal driving shaft second has variable pitch groove second, variable pitch groove second sliding contact cooperation installation transmission pin second, transmission pin second fixed connection installation linkage output rod in variable pitch groove first sliding connection is in the variable pitch groove, the three-phase connection is connected to install the three-phase bevel gear, three-phase connection is connected to the three-phase connection transmission bevel gear, three-phase connection is connected to move along left half die motion direction, three-phase connection bevel gear fixed connection moves, three-phase connection connects the three-phase connection transmission bevel gear fixed connection moves, three-phase connection moves the three-change groove fixed connection moves, the three fixed connection of linkage output pole installs the male mold on the buckled plate, the male mold moves along last male mold direction reciprocating motion on the buckled plate, become pitch groove one with become pitch groove two's the opposite direction of turning, become pitch groove one become pitch groove two with become pitch groove three become pitch groove law and guaranteed the male mold on the buckled plate the left half die of buckled plate with the half die each other's motion phase relation in buckled plate right side, linkage connecting rod one the linkage output pole two with linkage output pole three has respective direction slip fixed establishment.
As a preferable technical scheme of the invention, the first variable pitch groove and the second variable pitch groove are provided with cross sections, the cross sections are one of triangular cross sections, rectangular cross sections, trapezoid cross sections and semicircular cross sections, the end parts of the first transmission pin, the second transmission pin and the third transmission pin are one of cylindrical heads, conical table heads and semi-spherical heads, and the shapes of the first transmission pin, the second transmission pin and the third transmission pin which are matched with each other can obtain smaller guide gaps, so that higher guide precision can be obtained.
As a preferable technical scheme of the invention, the male die motion input gear is meshed with the input gear, the input gear is coaxially connected with the variable pitch groove shaft II through the output shaft II, the rotation directions of the variable pitch groove I and the variable pitch groove II are the same, and when the number of different intermediate transmission gears is increased, the axis of the variable pitch groove shaft I and the axis of the variable pitch groove shaft II are coaxial or parallel.
As a preferable technical scheme of the invention, the axis of the variable pitch slot linkage shaft III is perpendicular to the axis of the variable pitch slot linkage shaft II, and the axis of the variable pitch slot linkage shaft III and the axis of the variable pitch slot linkage shaft II are coplanar or non-coplanar, which is suitable for the position relation among different male dies on the corrugated plate, left half female dies of the corrugated plate and right half female dies of the corrugated plate.
As a preferable technical scheme of the invention, the number of turns of the first variable pitch groove and the second variable pitch groove is 0.5-6, and the number of turns of the third variable pitch groove is 1-6, which is related to controlling the phase precision of the male mold on the corrugated plate, the left half female mold of the corrugated plate and the right half female mold of the corrugated plate.
As a preferable technical scheme of the invention, the maximum groove width of the first variable pitch groove and the second variable pitch groove is 2-12 mm, and the maximum groove width of the third variable pitch groove is 2-10 mm, which relates to the correction capability of the mechanism to the hydraulic servo mechanism.
As a preferable technical scheme of the invention, the diameter size ranges of the first variable pitch slot linkage shaft, the second variable pitch slot linkage shaft and the third variable pitch slot linkage shaft are as follows: 5mm-40mm, the length dimension range of the thread groove of the first variable pitch groove linkage shaft, the second variable pitch groove linkage shaft and the third variable pitch groove linkage shaft is as follows: 15mm-80mm, the first variable pitch slot linkage shaft, the second variable pitch slot linkage shaft and the third variable pitch slot linkage shaft have the following depth dimension ranges: 1mm-10mm, which relates to the strength and the length of the service life of the mechanism itself.
Three linkage output rods are respectively connected with the upper male die of the corrugated plate, the left half female die of the corrugated plate and the right half female die of the corrugated plate, the phase precision between each output motion of a hydraulic servo system can be improved by utilizing the high precision characteristics of gear transmission and thread transmission, the thinning rate of a part material is low, no scratch and forming trace are formed on the surface of the formed part, the product size precision is improved, the field of liquefied natural gas transport ships and the field of land-based liquefied natural gas storage are related, and the stainless steel corrugated plate is particularly suitable for the liquefied natural gas warehouse and has high practicability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structural position of the variable pitch slot linkage shaft of the present invention;
FIG. 3 is a schematic perspective view of a large corrugation forming mold, namely a moving mode, according to the present invention;
FIG. 4 is a schematic view of the structure of the stainless steel corrugated plate for the liquefied natural gas cargo warehouse according to the present invention;
FIG. 5 is a schematic cross-sectional view of a variable pitch groove of the present invention;
FIG. 6 is a schematic view of the structure of the driving pin head of the present invention;
FIG. 7 is a schematic view of a structural scheme of the first variable pitch slot coupling shaft parallel to the second variable pitch slot coupling shaft;
list of reference numerals:
1. a male die movement input gear; 2. a first motion input shaft; 3. a transmission bevel gear I; 4. an output shaft I; 5. the variable pitch groove is connected with the first shaft; 6. a first variable pitch groove; 7. a first linkage output rod; 8. a first transmission pin; 9. a transmission bevel gear II; 10. an output shaft II; 11. a variable pitch groove coupling shaft II; 12. a variable pitch groove II; 13. a linkage output rod II; 14. a transmission pin II; 15. a variable pitch slot cross section; 16. a male die is arranged on the corrugated plate; 17. left half female die of corrugated plate; 18. right half female die of corrugated plate; 19. the movement direction of the upper male die; 20. the movement direction of the left half female die; 21. the movement direction of the right half female die; 22. stainless steel corrugated plates for liquefied natural gas warehouses; 23. triangular cross section; 24 rectangular cross section; 25. a trapezoidal cross section; 26. a semicircular cross section; 27. cylindrical heads; 28. conical table head; 29. a semi-ball head; 30. large corrugations; 31. small corrugations; 32. a second motion input shaft; 33. a variable pitch slot linkage shaft III; 34. a variable pitch groove III; 35. a third transmission pin; 36. a linkage output rod III; 37. a nodule; 38. an input gear.
Description of the embodiments
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1, fig. 3 and fig. 4, which are a multidimensional cooperative precise transmission mechanism of a corrugated plate mold of a liquefied natural gas storage tank, three linkage output rods are respectively connected with an upper male die of a corrugated plate, a left half female die of the corrugated plate and a right half female die of the corrugated plate, and the phase precision between each output motion of a hydraulic servo system can be improved by utilizing the high precision characteristics of gear transmission and thread transmission, so that the thinning rate of a part material is low, no scratch and forming trace are generated on the surface of the formed part, and the dimensional precision of a product is improved, and the multidimensional cooperative precise transmission mechanism is characterized in that: the male die motion input gear (1) is coaxially connected with a first motion input shaft (2), the first motion input shaft (2) is coaxially connected with a transmission bevel gear I (3), the transmission bevel gear I (3) is coaxially connected with an output shaft I (4), the output shaft I (4) is coaxially connected with a variable pitch groove linkage shaft I (5), a variable pitch groove I (6) is arranged on a cylindrical surface of the variable pitch groove linkage shaft I (5), the variable pitch groove I (6) and a transmission pin I (8) are in sliding contact fit, the transmission pin I (8) slides in the variable pitch groove I (6), the transmission pin I (8) is fixedly arranged on a linkage connecting rod I (7), the linkage connecting rod I (7) is fixedly connected with a left half female die (17) of a corrugated plate, the left half female die (17) reciprocates along a left half female die motion direction (20), the male die motion input gear (1) is coaxially connected with a second output shaft (10), the output shaft II (10) is coaxially fixedly connected with a variable pitch groove linkage shaft II (11), the second variable pitch groove (12) is provided with a variable pitch groove II (12) which is in sliding fit with a transmission pin II (14), the transmission pin II (14) is fixedly connected with a linkage output rod II (13), the linkage output rod II (13) is fixedly connected with a corrugated plate right half female die (18), the corrugated plate right half female die (18) reciprocates along the motion direction (21) of the right half female die, the transmission bevel gear I (3) is meshed with the transmission bevel gear II (9), the transmission bevel gear II (9) is fixedly connected with a second motion input shaft (32), the second motion input shaft (32) is fixedly connected with a variable pitch groove linkage shaft III (33), the variable pitch groove linkage shaft III (33) is provided with a variable pitch groove III (34), the variable pitch groove III (34) is in sliding contact with a transmission pin III (35), the transmission pin III (35) is fixedly connected with a linkage output rod III (36), the linkage output rod III (36) is fixedly connected with a corrugated plate upper male die (16), the corrugated plate upper male die (16) reciprocates along an upper male die moving direction (19), the rotation direction of the variable pitch groove I (6) is opposite to that of the variable pitch groove II (12), the number of turns of the variable pitch groove I (6) and the variable pitch groove II (12) is 0.5-6, the number of turns of the variable pitch groove III (34) is 1-6, the maximum groove width size range of the first variable-pitch groove (6) and the second variable-pitch groove (12) is 2mm-12mm, the maximum groove width size range of the third variable-pitch groove (34) is 2mm-10mm, and the diameter size ranges of the first variable-pitch groove linkage shaft (5), the second variable-pitch groove linkage shaft (11) and the third variable-pitch groove linkage shaft (33) are as follows: 5mm-40mm, the first variable-pitch slot linkage shaft (5), the second variable-pitch slot linkage shaft (11) and the third variable-pitch slot linkage shaft (33) have the length and the size ranges of the thread slots: 15mm-80mm, the first variable pitch slot linkage shaft (5), the second variable pitch slot linkage shaft (11) and the third variable pitch slot linkage shaft (33) have the following range of thread slot depth dimensions: 1mm-10mm, the axis of the variable pitch slot linkage shaft III (33) is perpendicular to the axis of the variable pitch slot linkage shaft II (11), and the axis of the variable pitch slot linkage shaft III (33) and the axis of the variable pitch slot linkage shaft II (11) are coplanar or non-coplanar.
In order to achieve higher transmission precision and ensure phase precision among different moving parts, the variable pitch groove I (6) and the variable pitch groove II (12) are provided with cross sections (15) as shown in figures 2, 5 and 6, the cross sections (15) are in the shape of one of a triangular cross section (23), a rectangular cross section (24), a trapezoid cross section (25) and a semicircular cross section (26), and the end parts of the transmission pin I (8), the transmission pin II (14) and the transmission pin III (35) are in the shape of one of a cylindrical head (27), a conical table head (28) and a semispherical head (29).
To more clearly illustrate the corrugated deck structure, the corrugated stainless steel plate (22) for lng storage as shown in fig. 4 has large corrugations (30), small corrugations (31) and nubs (37), and the mechanism of the present invention is mainly applicable to the manufacture of the large corrugations (30).
In order to adapt to different die structures and achieve the aim of more conveniently arranging the mechanism of the invention, as shown in fig. 7, the male die motion input gear (1) is meshed with the input gear (38), the input gear (38) is coaxially connected with the variable pitch groove shaft II (11) through the output shaft II (10), the rotation directions of the variable pitch groove I (6) and the variable pitch groove II (12) are the same, and the axis of the variable pitch groove shaft I (5) and the axis of the variable pitch groove shaft II (11) are coaxial or parallel.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, for example, different guide mechanisms may be provided at both ends of the variable pitch slot linkage shaft, and a plurality of the present invention may be provided along the corrugation direction or the vertical direction by changing the connection manner and the guide manner between the linkage connecting rod and the mold moving member. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a precision transmission mechanism is cooperated to liquefied natural gas storage tank buckled plate mould's multidimensional, has accurate motion phase relation function between accurate last terrace die, left half die and the right half die of confirming buckled plate mould, its characterized in that: the male die motion input gear (1) is coaxially connected with a first motion input shaft (2), the first motion input shaft (2) is coaxially connected with a transmission bevel gear I (3), the transmission bevel gear I (3) is coaxially connected with an output shaft I (4), the output shaft I (4) is coaxially connected with a variable pitch groove linkage shaft I (5), a variable pitch groove I (6) is arranged on a cylindrical surface of the variable pitch groove linkage shaft I (5), the variable pitch groove I (6) and a transmission pin I (8) are in sliding contact fit, the transmission pin I (8) slides in the variable pitch groove I (6), the transmission pin I (8) is fixedly arranged on a linkage connecting rod I (7), the linkage connecting rod I (7) is fixedly connected with a left half female die (17) of a corrugated plate, the left half female die (17) reciprocates along a left half female die motion direction (20), the male die motion input gear (1) is coaxially connected with a second output shaft (10), the output shaft II (10) is coaxially fixedly connected with a variable pitch groove linkage shaft II (11), the second variable pitch groove (12) is provided with a variable pitch groove II (12) which is in sliding fit with a transmission pin II (14), the transmission pin II (14) is fixedly connected with the linkage output rod II (13), the linkage output rod II (13) is fixedly connected with the corrugated plate right half female die (18), the corrugated plate right half female die (18) reciprocates along the right half female die movement direction (21), the transmission bevel gear I (3) is meshed with the transmission bevel gear II (9), the transmission bevel gear II (9) is fixedly connected with the second motion input shaft (32), the second motion input shaft (32) is fixedly connected with the variable pitch groove linkage shaft III (33), the variable pitch groove linkage shaft III (33) is provided with the variable pitch groove III (34), the variable pitch groove III (34) is in sliding contact with the transmission pin III (35), the transmission pin III (35) is fixedly connected with the linkage output rod III (36), the linkage output rod III (36) is fixedly connected with the upper male die (16) arranged on the corrugated plate, the upper male die (16) reciprocates along the upper male die movement direction (19), and the variable pitch groove I (6) is opposite to the rotation direction of the variable pitch groove II (12).
2. The multidimensional cooperative precision transmission mechanism of the corrugated plate die of the liquefied natural gas storage tank as recited in claim 1, wherein: the first variable pitch groove (6) and the second variable pitch groove (12) are provided with a section (15), the section (15) is one of a triangular section (23), a rectangular section (24), a trapezoid section (25) and a semicircular section (26), and the end parts of the first transmission pin (8), the second transmission pin (14) and the third transmission pin (35) are one of a cylindrical head (27), a conical table head (28) and a hemispherical head (29).
3. The multidimensional cooperative precision transmission mechanism of the corrugated plate die of the liquefied natural gas storage tank as recited in claim 1, wherein: the male die motion input gear (1) is meshed with the input gear (38), the input gear (38) is coaxially connected with the variable pitch groove shaft II (11) through the output shaft II (10), the rotation directions of the variable pitch groove I (6) and the variable pitch groove II (12) are the same, and the axis of the variable pitch groove shaft I (5) and the axis of the variable pitch groove shaft II (11) are coaxial or parallel.
4. The multidimensional cooperative precision transmission mechanism of the corrugated plate die of the liquefied natural gas storage tank as recited in claim 1, wherein: the axis of the variable pitch slot linkage shaft III (33) is perpendicular to the axis of the variable pitch slot linkage shaft II (11), and the axis of the variable pitch slot linkage shaft III (33) and the axis of the variable pitch slot linkage shaft II (11) are coplanar or non-coplanar.
5. The multidimensional cooperative precision transmission mechanism of the corrugated plate die of the liquefied natural gas storage tank as recited in claim 1, wherein: the number of turns of the first variable-pitch groove (6) and the second variable-pitch groove (12) is 0.5-6, and the number of turns of the third variable-pitch groove (34) is 1-6.
6. The multidimensional cooperative precision transmission mechanism of the corrugated plate die of the liquefied natural gas storage tank as recited in claim 1, wherein: the maximum groove width dimension of the first variable-pitch groove (6) and the second variable-pitch groove (12) is 2mm-12mm, and the maximum groove width dimension of the third variable-pitch groove (34) is 2mm-10mm.
7. The multidimensional cooperative precision transmission mechanism of the corrugated plate die of the liquefied natural gas storage tank as recited in claim 1, wherein: the diameter size ranges of the first variable-pitch groove linkage shaft (5), the second variable-pitch groove linkage shaft (11) and the third variable-pitch groove linkage shaft (33) are as follows: 5mm-40mm, the first variable-pitch slot linkage shaft (5), the second variable-pitch slot linkage shaft (11) and the third variable-pitch slot linkage shaft (33) have the length and the size ranges of the thread slots: 15mm-80mm, the first variable pitch slot linkage shaft (5), the second variable pitch slot linkage shaft (11) and the third variable pitch slot linkage shaft (33) have the following range of thread slot depth dimensions: 1mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311506196.7A CN117463849A (en) | 2023-11-13 | 2023-11-13 | Multidimensional cooperative precise transmission mechanism of corrugated plate die of liquefied natural gas storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311506196.7A CN117463849A (en) | 2023-11-13 | 2023-11-13 | Multidimensional cooperative precise transmission mechanism of corrugated plate die of liquefied natural gas storage tank |
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| CN117463849A true CN117463849A (en) | 2024-01-30 |
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| CN202311506196.7A Pending CN117463849A (en) | 2023-11-13 | 2023-11-13 | Multidimensional cooperative precise transmission mechanism of corrugated plate die of liquefied natural gas storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704265A (en) * | 2024-02-18 | 2024-03-15 | 中太(苏州)氢能源科技有限公司 | Corrugated metal plate with cut-out and storage container |
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2023
- 2023-11-13 CN CN202311506196.7A patent/CN117463849A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704265A (en) * | 2024-02-18 | 2024-03-15 | 中太(苏州)氢能源科技有限公司 | Corrugated metal plate with cut-out and storage container |
| CN117704265B (en) * | 2024-02-18 | 2024-04-30 | 中太(苏州)氢能源科技有限公司 | Corrugated metal plate with cut-out and storage container |
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