CN220050705U - Automatic assembling mechanism for LNG tank body and end frame - Google Patents
Automatic assembling mechanism for LNG tank body and end frame Download PDFInfo
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- CN220050705U CN220050705U CN202321562156.XU CN202321562156U CN220050705U CN 220050705 U CN220050705 U CN 220050705U CN 202321562156 U CN202321562156 U CN 202321562156U CN 220050705 U CN220050705 U CN 220050705U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 88
- 238000003466 welding Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003949 liquefied natural gas Substances 0.000 description 77
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic assembling mechanism of an LNG tank body and an end frame, which is convenient for welding a connecting ring at the joint of the LNG tank body and the end frame. According to the end frame positioning tool, the end frames can be rapidly and accurately clamped and positioned, the LNG tank body is circumferentially adjusted and adjusted in all directions, so that the LNG tank body and the end frames are automatically and rapidly aligned, the welding of the connecting rings is facilitated, and the production efficiency is improved; and can compatible different length LNG jar body, satisfy the production demand of different LNG jar bodies, adaptability is wide.
Description
Technical Field
The utility model relates to the technical field of large-size tank installation, in particular to an automatic assembling mechanism for an LNG tank and an end frame.
Background
Traditional jumbo size LNG jar body goes up a mode and wholly adopts the manual work to use driving hoist and mount material loading, and the LNG jar body is bulky, and the weight is up to 20 tons, and manual hoisting is extremely inconvenient and dangerous. Traditional equipment structure is fixed, can't realize automatic feeding and structure automatically regulated, and the compatibility is not good. An automatic pairing device which is rapid, high in production efficiency and high in automation degree is urgently needed, and is suitable for pairing of large-size LNG tank bodies.
Disclosure of Invention
In order to solve the technical problems of manual hoisting of an LNG tank body and inconvenience in adjusting the position of the LNG tank body in the background art, the utility model aims to provide an automatic assembling mechanism of the LNG tank body and an end frame, and the automatic assembling, automatic feeding and automatic alignment of the LNG tank body and a connecting ring and the end frame are realized.
The utility model solves the problems by the following technical proposal:
an automatic group of LNG jar body and end frame is to mechanism for group the end frame at the LNG jar body both ends to in the junction welding go-between of the LNG jar body and end frame, include: LNG jar body location frock, moving platform and end frame location frock, carry out the end frame location frock of location clamp to the end frame and set up relatively on two moving platform, be provided with the LNG jar body location frock that removes and fix a position the LNG jar body between two moving platform, LNG jar body location frock can drive the LNG jar body and remove in X direction, Y direction and Z direction.
As a further improvement, the mobile platform and the LNG tank positioning tool are arranged in a pit below the ground level, and the mobile platform can move in the X direction and the Y direction in the pit.
As a further improvement, the mobile platform is arranged into two groups and comprises a base part, a ladder stand arranged on the base part, a plurality of stand columns and a ladder stand platform arranged on the stand columns, and the end frame positioning tool is arranged on the stand columns.
As a further improvement, the end frame positioning tool comprises two frame upper corner fitting pressing devices and two frame lower corner fitting pressing devices, and positioning and clamping of the end frame are achieved through the frame upper corner fitting pressing devices and the frame lower corner fitting pressing devices.
As a further improvement, the frame upper corner fitting compressing device comprises a thrust cylinder with one end fixed at the upper end of the upright post and a compressing arm connected with the other end of the thrust cylinder, wherein one end of the compressing arm connected with the thrust cylinder is limited through the upper end of the upright post so as to compress the upper part of the end frame through the other end of the compressing arm;
the frame lower corner fitting compressing device comprises a cylinder mounting frame, a positioning assembly plate and a first telescopic cylinder, wherein the cylinder mounting frame is arranged at the lower end of the upright post, the positioning assembly plate is arranged on the upper portion of the cylinder mounting frame, the outer side of the first telescopic cylinder is fixedly installed through the cylinder mounting frame, and the lower portion of the end frame is positioned and clamped through the positioning assembly plate.
As a further improvement, the frame lower corner fitting pressing device is arranged at the lower end of the upright post in a front-back manner, and a plurality of locating plates for limiting the lower part of the end frame are arranged on the locating assembly plate of the frame lower corner fitting pressing device positioned at the front side, and the locating assembly plate comprises a first locating plate and a second locating plate, and the second locating plate is arranged opposite to the first telescopic cylinder of the frame lower corner fitting pressing device positioned at the front side; the positioning assembly plate of the frame lower corner fitting pressing device positioned at the rear side is provided with at least one positioning plate for limiting the lower part of the end frame, and the positioning assembly plate is a third positioning plate which is arranged opposite to the first telescopic cylinder of the frame lower corner fitting pressing device positioned at the rear side; the side face of the positioning assembly plate of the framework lower corner fitting pressing device positioned at the rear side is provided with a second telescopic cylinder, and the second telescopic cylinder is arranged opposite to the first positioning plate.
As a further improvement, the ladder stand platform is provided with a cylinder shield for protecting the corner fitting pressing device on the frame.
As a further improvement, the LNG tank body positioning tool comprises a track mechanism, an X-direction traveling mechanism, a Z-direction lifting mechanism, a Y-direction adjusting mechanism, a roller driving mechanism and rollers, wherein the X-direction traveling mechanism is arranged on the track mechanism in a sliding manner, the Z-direction lifting mechanism is arranged above the X-direction traveling mechanism, the Y-direction adjusting mechanism is connected with the Z-direction lifting mechanism, a final assembly roller frame is arranged on the Y-direction adjusting mechanism, two groups of rollers are arranged on the final assembly roller frame in a Y-direction sliding manner, each group of rollers is connected with the roller driving mechanism, and the roller distance of the two groups of rollers is adjusted and controlled through the roller driving mechanism so as to adjust the circumference of the LNG tank body arranged between the two groups of rollers, and the final assembly roller frame is convenient to correspondingly arrange with an end frame.
As a further improvement, the Z-direction lifting mechanism, the X-direction travelling mechanism and the Y-direction adjusting mechanism are all provided with linear guide rails for guiding, and are connected with motor reducers for driving.
As a further improvement, the automatic pairing mechanism is further provided with at least three laser displacement sensors which are respectively used for detecting the relative positions of the LNG tank body and the end frame in the X direction, the Y direction and the Z direction.
Compared with the prior art, the utility model has the following advantages:
according to the automatic assembling mechanism, the end frame positioning tool is pneumatically controlled, so that the end frame can be rapidly and accurately clamped and positioned, the LNG tank body is circumferentially adjusted and adjusted in all directions through the tank body positioning tool, the LNG tank body and the end frame are automatically and rapidly aligned, the LNG tank body and the end frame are conveniently welded through the connecting ring, time and working cost are saved, and production efficiency is improved; and the LNG jar body location frock, end frame location frock all can realize X to and Y to adjusting, can compatible different length LNG jar bodies, satisfy the production demand of different LNG jar bodies, and adaptability is wide.
Drawings
Fig. 1 is a schematic structural diagram of an automatic assembling mechanism of an LNG tank and an end frame according to the present embodiment;
FIG. 2 is a schematic diagram illustrating the installation of a cantilever crane and a control cabinet according to the present embodiment;
FIG. 3 is a schematic diagram illustrating the installation of the end frame positioning tool and the mobile platform according to the present embodiment;
FIG. 4 is a schematic view of the structure of the corner fitting hold-down device on the frame of the present embodiment;
FIG. 5 is a schematic view of the structure of the lower corner fitting compressing apparatus of the frame of the present embodiment;
fig. 6 is a schematic structural diagram of the LNG tank positioning tool according to the present embodiment;
FIG. 7 is a schematic view of the Y-direction adjusting mechanism of the present embodiment;
fig. 8 is a schematic structural diagram of a Z-direction lifting mechanism according to the present embodiment;
fig. 9 is a schematic structural view of the final assembly roller frame of the present embodiment.
Reference numerals:
LNG tank body; 2. an end frame; 3, AGV feeding trolley; LNG tank body positioning tool; 5. end frame positioning tool; 6. a mobile platform; 7. cantilever crane; 8. a connecting ring; 9. a control cabinet; 10. a base member; 11. a ladder stand; 12. a column; 13. a ladder stand platform; 14. a corner fitting compression device on the frame; 15. a frame lower corner fitting hold-down device; 16. a thrust cylinder; 17. pressing an arm; 18. a cylinder mounting rack; 19. positioning an assembly plate; 20. a first telescopic cylinder; 21. a first positioning plate; 22. a second positioning plate; 23. a third positioning plate; 24. the second telescopic cylinder; 25. a cylinder shroud; 26. a track mechanism; an X-direction travelling mechanism; z-direction lifting mechanism; y-direction adjusting mechanism; 30. a roller driving mechanism; 31. and a roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
1-9, an automatic assembling mechanism is used for assembling end frames at two ends of an LNG tank body so as to weld connecting rings at the joint of the LNG tank body 1 and the end frames 2; the automatic end frame positioning device comprises an AGV feeding trolley 3, LNG tank positioning tools 4, end frame positioning tools 5, moving platforms 6, cantilever cranes 7 and a complete machine control system, wherein the two moving platforms 6 which are oppositely arranged are respectively provided with the end frame positioning tools 5 for positioning and clamping the end frame 2, and the two end frame positioning tools 5 are oppositely arranged; an LNG tank positioning tool 4 for moving and positioning the LNG tank is arranged between the two moving platforms 6; AGV material loading dolly 3 is used for carrying LNG jar body 1, end frame 2 and go-between, and cantilever crane is used for carrying out hoist and mount to end frame and go-between 8.
During operation, the LNG tank body, the end frames and the connecting rings are respectively conveyed through the AGV feeding trolley, firstly, the end frames are hoisted to the end frame positioning tool through the cantilever crane, control parameters are set by a control panel of the whole machine control system, and the end frames are positioned and clamped through the end frame positioning tool; and then the LNG tank body is conveyed to an LNG tank body positioning tool, the connecting rings are hoisted to two ends of the LNG tank body by using the cantilever crane and sleeved on the LNG tank body, the LNG tank body provided with the connecting rings is moved and lifted to be fixed between two end frames on the end frame positioning tool by using the LNG tank body positioning tool, closed-loop control is realized by using a PLC (programmable logic controller) control and a laser distance sensor, the position between the LNG tank body and the end frames is automatically adjusted, and the connecting part of the end frames and the LNG tank body is welded and fixed by using the connecting rings.
Further, the mobile platform and the LNG tank body positioning tool are installed in a pit below the ground level, and can move left and right and move back and forth in the pit, wherein the left and right direction is the X direction, the front and back direction is the Y direction, and the up and down direction is the Z direction.
The moving platform is arranged into two groups and mainly formed by welding sectional materials, and comprises a base part 10, a ladder 11 arranged on the base part, a plurality of stand columns 12 and a ladder platform 13 arranged on the stand columns and penetrated by the stand columns, wherein an end frame positioning tool 5 is arranged on the stand columns. Setting up the cat ladder in order to make things convenient for operating panel to control equipment and accomplish group's task on the platform. The moving platform can move left and right in the pit, namely in the X direction. In the embodiment, the planetary reducer and the servo motor are adopted to drive gear teeth to move, and the linear guide rail is adopted for guiding, so that the moving stroke can be compatible with 40-foot LNG tank production.
Specifically, the end frame positioning tool comprises two upper corner fitting pressing devices 14 and two lower corner fitting pressing devices 15, and positioning and clamping of the end frame 2 are achieved through the upper corner fitting pressing devices and the lower corner fitting pressing devices.
The frame upper corner fitting compressing device comprises a thrust cylinder 16 with one end fixed at the upper end of the upright post and a compressing arm 17 connected with the other end of the thrust cylinder, wherein one end of the compressing arm connected with the thrust cylinder is limited through the upper end of the upright post, and the upper part of the end frame is compressed through the other end of the compressing arm.
The frame lower corner fitting compressing device comprises an air cylinder mounting frame 18, a positioning assembly plate 19 and a first telescopic air cylinder 20, wherein the air cylinder mounting frame 18 is arranged at the lower end of the upright, the positioning assembly plate 19 is arranged at the upper part of the air cylinder mounting frame 18, and is fixedly arranged at the outer side of the first telescopic air cylinder 20 through the air cylinder mounting frame 18 so as to position and clamp the lower part of the end frame through the positioning assembly plate; further, the frame lower corner fitting compressing device is arranged at the lower end of the upright post in a front-back manner, a plurality of locating plates for limiting the lower part of the end frame are arranged on the locating assembly plate of the frame lower corner fitting compressing device positioned at the front side, the locating assembly plate comprises a first locating plate 21 and a second locating plate 22, and the second locating plate 22 is arranged opposite to the first telescopic cylinder 20 of the frame lower corner fitting compressing device positioned at the front side; the positioning assembly plate of the frame lower corner fitting pressing device positioned at the rear side is provided with at least one positioning plate for limiting the lower part of the end frame, which is a third positioning plate 23, and the third positioning plate is arranged opposite to the first telescopic cylinder of the frame lower corner fitting pressing device positioned at the rear side; the side surface of the positioning assembly plate of the frame lower corner fitting pressing device positioned at the rear side is provided with a second telescopic cylinder 24 which is arranged opposite to the first positioning plate 21 so as to push the end frame to a proper position through the second telescopic cylinder.
Preferably, a cylinder shield 25 is provided on the ladder stand platform to protect the corner fitting hold down device on the frame.
LNG jar body location frock sets up to two sets of, and the removal location of LNG jar body is accomplished in the joint operation of two sets of LNG jar body location frock, bears the weight of the LNG jar body, adjusts, makes it with the butt joint of end frame location.
The LNG tank body positioning tool comprises a track mechanism 26, an X-direction travelling mechanism 27, a Z-direction lifting mechanism 28, a Y-direction adjusting mechanism 29, a roller driving mechanism 30, a roller 31 and the like, wherein the X-direction travelling mechanism 27 is slidably arranged on the track mechanism 26 so as to realize left and right position adjustment of the X-direction travelling mechanism; the Z-direction lifting mechanism 28 is arranged above the X-direction travelling mechanism, and a Y-direction adjusting mechanism is connected above the Z-direction lifting mechanism, so that the up-down position adjustment of the Y-direction adjusting mechanism is realized through the Z-direction lifting mechanism; the Y-direction adjusting mechanism 29 is provided with a final assembly roller frame, and two groups of rollers 31 are slidably arranged on the final assembly roller frame in the front-rear direction, namely in the Y-direction, and each group of rollers is connected with a roller driving mechanism, and the wheel tread of the two groups of rollers is adjusted and controlled by the roller driving mechanism so as to adjust the circumference of the LNG tank body arranged between the two groups of rollers so as to be arranged corresponding to the end frame.
The LNG tank body arranged on the idler wheels is subjected to position adjustment through the X-direction travelling mechanism, the Z-direction lifting mechanism and the Y-direction adjusting mechanism. The Z-direction lifting mechanism lifts the LNG tank body in a mode of driving the lifting machine by a motor reducer; the X-direction travelling mechanism adopts a motor reducer to drive a gear rack to move, and adopts a linear guide rail to guide, so that the moving precision of the LNG tank body is ensured; the Y-direction adjusting mechanism adopts a motor reducer to drive a screw rod nut to move, and adopts a linear guide rail to guide, so that the moving precision of the LNG tank body is ensured. The roller driving mechanism adopts a motor reducer to drive the roller to rotate, and the LNG tank body is driven to rotate by friction between the roller and the LNG tank body; preferably, the LNG tank contact rollers are polyurethane wheels to provide sufficient friction to drive the workpiece in rotation. The roller track is adjusted by adopting a fixed hole adjusting mode.
Preferably, the automatic assembling mechanism is further provided with a plurality of laser displacement sensors, at least comprising a first laser displacement sensor, a second laser displacement sensor and a third laser displacement sensor, wherein the first laser displacement sensor is arranged on the LNG tank body positioning tool and faces the arc side surface of the LNG tank body and is used for detecting the Z-direction relative position of the LNG tank body and the end frame; the second laser displacement sensor and the third laser displacement sensor are arranged on the mobile platform, the second laser displacement sensor is horizontally arranged at the joint of the LNG tank body and the end frame and used for detecting the Y-direction relative position of the LNG tank body and the end frame, and the third laser displacement sensor is vertically arranged outside the end frame far away from the LNG tank body and used for detecting the X-direction relative position of the LNG tank body and the end frame; and the positioning accuracy of the LNG tank body and the end frame is ensured through the laser displacement sensor.
The whole machine control system is provided with a man-machine interface by taking a PLC (programmable logic controller) as a main controller, coordinates each execution element such as an AGV (automatic guided vehicle) feeding trolley, an LNG (liquefied Natural gas) tank body positioning tool, an end frame positioning tool, a mobile platform, a cantilever crane and the like to carry out sequential logic control, so that the whole machine control system is high in reliability, low in failure rate, convenient to maintain, capable of safely and stably operating for a long time, and meanwhile has perfect protection functions including overcurrent, phase failure, short circuit, limit position limit and the like.
The whole machine control system mainly comprises a control cabinet 9 and an operation desk, wherein the control cabinet 9 is used for installing electric related elements such as a PLC controller and a driving system, and related buttons, switches, scram and the like are arranged on the operation desk and used for various operations on equipment. In this embodiment, the control cabinet and the operation console are both disposed on the front and rear sides of the mobile platform.
According to the automatic assembling mechanism, the end frame positioning tool is pneumatically controlled, so that the end frame can be rapidly and accurately clamped and positioned, the LNG tank body is circumferentially adjusted and adjusted in all directions through the tank body positioning tool, the LNG tank body and the end frame are automatically and rapidly aligned, the LNG tank body and the end frame are conveniently welded through the connecting ring, time and working cost are saved, and production efficiency is improved; and the LNG jar body location frock, end frame location frock all can realize X to and Y to adjusting, can compatible different length LNG jar bodies, satisfy the production demand of different LNG jar bodies, and adaptability is wide.
Although the utility model has been described herein with reference to the above-described illustrative embodiments thereof, the foregoing embodiments are merely preferred embodiments of the present utility model, and it should be understood that the embodiments of the present utility model are not limited to the above-described embodiments, and that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure.
Claims (10)
1. Automatic group of LNG jar body and end frame is to mechanism for group the end frame at the LNG jar body both ends to in the junction welding go-between of the LNG jar body and end frame, its characterized in that includes: LNG jar body location frock, moving platform and end frame location frock, carry out the end frame location frock of location clamp to the end frame and set up relatively on two moving platform, be provided with the LNG jar body location frock that removes and fix a position the LNG jar body between two moving platform, LNG jar body location frock can drive the LNG jar body and remove in X direction, Y direction and Z direction.
2. The automatic assembling mechanism of an LNG tank and end frame according to claim 1, wherein the mobile platform and LNG tank positioning fixture are mounted in a pit below ground level, and the mobile platform is capable of moving in the X-direction and Y-direction in the pit.
3. The automatic assembling mechanism of an LNG tank and end frame according to claim 1, wherein the moving platforms are arranged in two groups, and comprise a base member, a ladder stand and a plurality of columns arranged on the base member, and a ladder stand platform arranged on the plurality of columns, and the end frame positioning tool is arranged on the columns.
4. An automatic assembling mechanism for LNG tanks and end frames according to claim 3, wherein the end frame positioning fixture comprises two upper corner fitting compressing devices and two lower corner fitting compressing devices, and the positioning and clamping of the end frames are realized through the upper corner fitting compressing devices and the lower corner fitting compressing devices.
5. The automatic assembling mechanism of the LNG tank and the end frame according to claim 4, wherein the frame upper corner fitting pressing device comprises a thrust cylinder with one end fixed on the upper end of the upright post and a pressing arm connected with the other end of the thrust cylinder, one end of the pressing arm connected with the thrust cylinder is limited through the upper end of the upright post, so that the upper part of the end frame is pressed through the other end of the pressing arm;
the frame lower corner fitting compressing device comprises a cylinder mounting frame, a positioning assembly plate and a first telescopic cylinder, wherein the cylinder mounting frame is arranged at the lower end of the upright post, the positioning assembly plate is arranged on the upper portion of the cylinder mounting frame, the outer side of the first telescopic cylinder is fixedly installed through the cylinder mounting frame, and the lower portion of the end frame is positioned and clamped through the positioning assembly plate.
6. The automatic assembling mechanism of the LNG tank and the end frame according to claim 5, wherein the frame lower corner fitting compressing devices are arranged at the lower ends of the upright posts in front and back, a plurality of locating plates for limiting the lower part of the end frame are arranged on the locating assembly plates of the frame lower corner fitting compressing devices positioned at the front side, and the locating plates comprise a first locating plate and a second locating plate, and the second locating plate is arranged opposite to the first telescopic cylinder of the frame lower corner fitting compressing device positioned at the front side; the positioning assembly plate of the frame lower corner fitting pressing device positioned at the rear side is provided with at least one positioning plate for limiting the lower part of the end frame, and the positioning assembly plate is a third positioning plate which is arranged opposite to the first telescopic cylinder of the frame lower corner fitting pressing device positioned at the rear side; the side face of the positioning assembly plate of the framework lower corner fitting pressing device positioned at the rear side is provided with a second telescopic cylinder, and the second telescopic cylinder is arranged opposite to the first positioning plate.
7. An automatic assembling mechanism for LNG tanks and end frames according to claim 3, wherein the ladder stand platform is provided with a cylinder cover for protecting the corner fitting hold-down device on the frame.
8. The automatic assembling mechanism of the LNG tank and the end frame according to claim 3, wherein the LNG tank positioning tool comprises a track mechanism, an X-direction travelling mechanism, a Z-direction lifting mechanism, a Y-direction adjusting mechanism, a roller driving mechanism and rollers, wherein the X-direction travelling mechanism is slidably arranged on the track mechanism, the Z-direction lifting mechanism is arranged above the X-direction travelling mechanism and is connected with the Y-direction adjusting mechanism above the Z-direction lifting mechanism, a final assembly roller frame is arranged on the Y-direction adjusting mechanism, two groups of rollers are slidably arranged on the final assembly roller frame in the Y-direction, each group of rollers are connected with the roller driving mechanism, and the roller spacing of the two groups of rollers is adjusted and controlled through the roller driving mechanism so as to adjust the circumference of the LNG tank arranged between the two groups of rollers, and the LNG tank is conveniently arranged corresponding to the end frame.
9. The automatic assembling mechanism of the LNG tank and the end frame according to claim 8, wherein the Z-direction lifting mechanism, the X-direction traveling mechanism and the Y-direction adjusting mechanism are all provided with linear guide rails for guiding, and are connected with motor reducers for driving.
10. An automatic alignment mechanism for LNG tanks and end frames according to any of claims 1-9, characterized in that the automatic alignment mechanism is further provided with at least three laser displacement sensors for detecting the relative positions of the LNG tank and end frames in X, Y and Z directions, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562156.XU CN220050705U (en) | 2023-06-19 | 2023-06-19 | Automatic assembling mechanism for LNG tank body and end frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562156.XU CN220050705U (en) | 2023-06-19 | 2023-06-19 | Automatic assembling mechanism for LNG tank body and end frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220050705U true CN220050705U (en) | 2023-11-21 |
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ID=88755702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321562156.XU Active CN220050705U (en) | 2023-06-19 | 2023-06-19 | Automatic assembling mechanism for LNG tank body and end frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220050705U (en) |
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2023
- 2023-06-19 CN CN202321562156.XU patent/CN220050705U/en active Active
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