Vertical sleeving device for double-layer container

Abstract

The invention provides a vertical sleeving device for a double-layer container. The vertical sleeving device is used for sleeving the double-layer container. The double-layer container comprises an inner container and an outer container which are sleeved, and an observation opening is formed in the bottom of the outer container. The double-layer container vertical sleeving device comprises a supporting tool, a sleeving support, a rail and an observation device. The top face of the supporting tool is used for supporting the outer container, and an observation window aligned with the observation opening is formed in the top face of the supporting tool. The sleeving support is arranged around the supporting tool, and a working area used for sleeving the double-layer container is formed on the inner side of the sleeving support. And the track is arranged below the observation window. And the observation device is movably arranged on the track. And the observation device can replace an operator to observe the sleeving condition of the outer container and the inner container below the outer container, so that the safety risk of the operator is reduced. And the observation device can observe the relative position of the outer container and the inner container from multiple angles through the observation window, so that an operator can judge whether the outer container and the inner container are sleeved in place or not.

Description

Technical Field

[0001] This invention relates to the field of vertical container sets, and particularly to a double-layer vertical container set device. Background Technology

[0002] Assembling the outer and inner containers is a crucial step in double-walled container assembly and has long been a challenging problem for manufacturers. For lighter containers, horizontal assembly is often used. However, for medium or heavy equipment, horizontal assembly is difficult and friction between the inner and outer containers during the process can cause permanent, irreparable damage to the inner surface of the outer container, affecting the equipment's strength and lifespan. Therefore, for medium and heavy containers, vertical assembly solves these problems and also improves assembly efficiency.

[0003] However, because the vertical assembly process involves placing the inner container into the outer container from top to bottom, the observation port of the outer container is located at the bottom, the bottom of the outer container is close to the ground, and there are support fixtures under the outer container to support it. Therefore, it is difficult for operators to enter the bottom of the double-layer container vertical assembly device, which to some extent affects the operator's judgment on whether the outer container and the inner container are properly assembled. Summary of the Invention

[0004] One objective of this invention is to address the shortcomings of the prior art by providing a double-layer container vertical assembly device, which facilitates operators in determining whether the inner and outer containers are properly assembled.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a double-layer container vertical assembly device for assembling double-layer containers, wherein the double-layer containers include an inner container and an outer container, and the bottom of the outer container has an observation port; comprising: A support fixture, the top surface of which is used to support the outer container, and an observation window that is aligned with the observation port is provided on the top surface of the support fixture; A mounting bracket is arranged around the supporting fixture, and a working area for mounting a double-layer container is formed on the inner side of the mounting bracket. The track is located below the observation window; An observation device is movably mounted on the track, and the observation device is used to detect the relative position information of the inner container and the outer container.

[0006] In one embodiment, the observation device includes an observer, a sliding seat, and a traveling wheel; the sliding seat is movably disposed on the track; the observer is mounted on the sliding seat and is used to detect the relative position information of the inner container and the outer container; the traveling wheel is mounted on the sliding seat and makes rolling contact with the track to drive the sliding seat to move along the track.

[0007] In one embodiment, the observation device further includes a drive motor mounted on the sliding seat and connected to the traveling wheel for driving the traveling wheel to roll.

[0008] In one embodiment, the double-layer container vertical assembly further includes an axis adjustment device, wherein there are multiple axis adjustment devices, each of which includes a mounting part and a telescopic part; the mounting part is mounted on the assembly bracket, the telescopic part is mounted on the mounting part, the telescopic part is movable in the horizontal direction, and the telescopic part can abut against the outer wall of the outer container; the moving directions of the telescopic parts of the multiple axis adjustment devices are set at an angle.

[0009] In one embodiment, the double-layer container vertical assembly further includes adjustment components, with each axis adjustment device corresponding to a plurality of adjustment components; the adjustment components include abutting members and locking members, the abutting members are movably mounted on the assembly bracket, and the abutting members abut against the side of the mounting portion of the axis adjustment device; the moving direction of the abutting members is perpendicular to the moving direction of the telescopic portion, the moving directions of the plurality of abutting members are arranged at an angle, and the locking members are used to lock the relative positional relationship between the abutting members and the assembly bracket.

[0010] In one embodiment, the support fixture includes a base plate, a support cylinder, and an annular plate. The support cylinder is cylindrical and its bottom end is connected to the base plate. The annular plate is annular and is connected to the top end of the support cylinder. The hollow area of ​​the annular plate forms the observation window.

[0011] In one embodiment, the double-layer container vertical assembly further includes multiple equal-height columns, and the bottom surface of the assembly bracket is connected to the top surface of the multiple equal-height columns.

[0012] In one embodiment, the support frame includes columns and connecting beams. Multiple columns are arranged around the support fixture, and adjacent columns are connected by the connecting beams.

[0013] In one embodiment, the support frame further includes a grid plate fixedly connected to the top of the plurality of columns, the grid plate being arranged around the work area.

[0014] In one embodiment, the mounting bracket further includes a guardrail connected to the grating.

[0015] As can be seen from the above technical solution, this application has at least the following advantages and positive effects: In this application, the supporting fixture of the double-layer container vertical assembly is used to support the outer container of the double-layer container system. The assembly bracket of the double-layer container vertical assembly is arranged around the supporting fixture, providing circumferential support to the outer container and preventing accidental tilting and collapse. The observation device can replace the operator in observing the assembly status of the outer and inner containers from below, reducing the safety risks to the operator. Furthermore, the observation device can move along a track, allowing for multi-angle observation of the relative positions of the outer and inner containers through the observation window, which helps the operator determine whether the outer and inner containers are properly assembled. Attached Figure Description

[0016] Figure 1 This is a perspective view of a double-layer container vertical assembly according to one embodiment of this application.

[0017] Figure 2 yes Figure 1 Enlarged detail of section A in the middle.

[0018] Figure 3 yes Figure 1 Enlarged detail of section B.

[0019] Figure 4 yes Figure 1 A schematic diagram of the track and observation device of the vertical double-layer container assembly.

[0020] Figure 5 yes Figure 4 Sectional view of the CC section.

[0021] Figure 6 yes Figure 1 Schematic diagram of the axis adjustment device and adjustment components of the double-layer container vertical assembly Figure 1 .

[0022] Figure 7 yes Figure 1 Schematic diagram of the axis adjustment device and adjustment components of the double-layer container vertical assembly Figure 2 .

[0023] The annotations in the attached figures are explained as follows: 100. Double-layer container vertical assembly; 10. Support fixture; 11. Base plate; 12. Support cylinder; 121. Observation hole; 13. Ring plate; 131. Observation window; 14. Rib plate; 20. Bracket set; 21. Column; 22. Connecting beam; 23. Fence; 24. Guardrail; 241. Baffle; 242. Connecting rod; 243. Ring component; 25. Carrier plate; 26. Mounting plate; 30. Track; 40. Observation device; 41. Observer; 42. Sliding seat; 421. Main board; 422. Hook part; 43. Traveling wheel; 44. Rotating shaft; 45. Drive motor; 50. Contour column; 60. Axis adjustment device; 61. Mounting part; 62. Telescopic part; 63. Mounting rod; 70. Adjustment component; 71. Top stop component; 72. Locking component; 200. Outer container. Detailed Implementation

[0024] Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various variations in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations herein are for illustrative purposes only and not intended to limit the present invention.

[0025] In the description of this application, it should be understood that, in the embodiments shown in the accompanying drawings, the indications of direction or positional relationships (such as up, down, left, right, front, and back, etc.) are merely for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the accompanying drawings. If the description of the positions of these elements changes, these directional indications also change accordingly. Furthermore, in the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0026] This application discloses a vertical double-layer container assembly 100 for assembling double-layer containers. The double-layer container includes an inner container and an outer container 200, with an observation port at the bottom of the outer container 200. The observation port of the outer container 200 is circular, and its axial direction is collinear with the axial direction of the outer container 200.

[0027] See Figure 1 and Figure 2The double-layer container vertical assembly 100 includes a support fixture 10, an assembly bracket 20, a track 30, and an observation device 40. The top surface of the support fixture 10 supports the outer container 200, and an observation window 131 aligned with the observation port is provided on the top surface of the support fixture 10. The assembly bracket 20 surrounds the support fixture 10, and its inner side forms a working area for assembling the double-layer containers. The track 30 is located below the observation window 131. The observation device 40 is movably mounted on the track 30 and is used to detect the relative position information of the inner container and the outer container 200.

[0028] Observing the fit between the outer container 200 and the inner container from below reduces the safety risks to the operator. Furthermore, the observation device 40 can move along the track 30, allowing the operator to observe the relative position of the outer container 200 and the inner container from multiple angles through the observation window 131, which helps the operator determine whether the outer container 200 and the inner container are properly fitted.

[0029] Specifically, the outer container 200 can be placed directly on the top surface of the support fixture 10, or it can be fixedly connected to the top surface of the support fixture 10 by spot welding. The observation window 131 is circular, and its axis is vertical. The projection of the observation window 131 in the vertical direction is located inside the projection of the observation port in the vertical direction.

[0030] See Figure 1 and Figure 2 In some embodiments, the support fixture 10 includes a base plate 11, a support cylinder 12, and an annular plate 13. The base plate 11 is circular. The support cylinder 12 is cylindrical. The support cylinder 12 is vertically oriented. The bottom end of the support cylinder 12 is welded to the base plate 11. The annular plate 13 is circular. The annular plate 13 is welded to the top surface of the support cylinder 12. The hollow area of ​​the annular plate 13 forms an observation window 131. A track 30 and an observation device 40 are disposed inside the support cylinder 12.

[0031] Ribs 14 are welded between the outer wall of the support cylinder 12 and the bottom plate 11. There are multiple ribs 14, which are evenly distributed around the circumference of the support cylinder 12. Adding ribs 14 can enhance the overall structural rigidity of the support fixture 10 and improve its load-bearing capacity.

[0032] The supporting fixture 10 has an overall cylindrical structure with high overall strength, which is beneficial for supporting large-sized outer containers 200. The outer diameter of the supporting cylinder 12 and the thickness of each component of the supporting fixture 10 can be adjusted according to the weight of the double-layer container to meet the load-bearing requirements.

[0033] In other embodiments, the base plate 11 may be polygonal. The base plate 11 and the support cylinder 12 may be connected by a plug-in fit, a screw connection, or a pin connection. The support cylinder 12 may be a columnar structure with a polygonal cross-section and a hollow interior. The support fixture 10 may include columns and beams, with multiple columns connected by beams.

[0034] An observation hole 121 is provided on the outer wall of the support cylinder 12. There are multiple observation holes 121, which are evenly distributed around the circumference of the support cylinder 12.

[0035] The observation hole 121 allows operators to easily observe the assembly of the inner container and the outer container 200, and also reduces the overall weight of the supporting fixture 10.

[0036] In some embodiments, the top surface of the ring plate 13 is provided with a limiting boss, which abuts against the inner wall of the observation port to ensure that the outer container 200 and the support fixture 10 will not slide relative to each other during assembly.

[0037] In some embodiments, the track 30 is made of channel steel and has an inverted U-shaped cross-section. The track 30 extends horizontally and intersects the axial direction of the observation port, allowing the observation device 40 to be moved directly below the observation port of the outer container 200. Both ends of the track 30 are welded to the inner wall of the supporting cylinder 12.

[0038] In other embodiments, the track 30 extends in an arc shape, and its axial direction is collinear with the axial direction of the observation port. The observation device 40 moves along the arc-shaped track 30 to capture images of the outer container 200 and the inner container, making it easier for the operator to observe the coaxiality of the outer container 200 and the inner container. The track 30 is connected to the inner wall of the support cylinder 12 by screws, pins, or clips.

[0039] See Figure 1 , Figure 2 , Figure 4 and Figure 5 In some embodiments, the observation device 40 includes an observer 41, a sliding seat 42, and a traveling wheel 43. The sliding seat 42 is movably disposed on the track 30. The observer 41 is mounted on the sliding seat 42 and is used to detect the relative position information of the inner container and the outer container 200. The traveling wheel 43 is mounted on the sliding seat 42 and makes rolling contact with the track 30 to drive the sliding seat 42 to move along the track 30.

[0040] Specifically, the sliding seat 42 includes a main board 421 and a hook portion 422, with the hook portion 422 connected to both sides of the main board 421. The two side edges of the track 30 are respectively located inside the hook portion 422 to limit the relative position of the sliding seat 42 and the track 30, so that the sliding seat 42 can only move along the track 30.

[0041] The traveling wheels 43 are located between the main plate 421 of the sliding seat 42 and the top surface of the track 30. The traveling wheels 43 include two sets, with two traveling wheels 43 in each set. The two traveling wheels 43 in each set are connected by a rotating shaft 44, which is rotatably mounted on the sliding seat 42.

[0042] The rolling friction between the traveling wheel 43 and the track 30 allows the observation device 40 to move more smoothly along the track 30, which helps to improve the efficiency of the kit.

[0043] The observer 41 can be fixedly mounted on the sliding seat 42 by screws or pins, or the sliding seat 42 is provided with a slot in which the observer 41 is placed.

[0044] The observer 41 can be configured as an endoscope or a camera; there is no limitation on this. When the observer 41 is a camera, it can communicate with an external network device to transmit the captured image information to the external network device. This allows the operator to observe the relative position of the inner container and the outer container 200 on an external display. The operator does not need to approach the bottom of the double-layer container vertical set device 100, which helps improve personnel safety.

[0045] In other embodiments, the track 30 may consist of the guide rail of a linear motor, and the slide seat 42 may consist of the stator seat of a linear motor.

[0046] See Figure 4 and Figure 5 In some embodiments, the observation device 40 further includes a drive motor 45, which is mounted on a sliding seat 42 and is connected to the traveling wheel 43 in a transmission manner. The drive motor 45 is used to drive the traveling wheel 43 to roll.

[0047] Setting the drive motor 45 to provide power to the walking wheels 43 can improve the automation level of the observation device 40, and the drive motor 45 can drive the observer 41 to move accurately to the preset observation position, which can effectively improve the efficiency of the assembly operation and make it easier for the operator to judge whether the inner container and outer container 200 are properly assembled.

[0048] See Figure 1 In some embodiments, the support bracket 20 includes columns 21 and connecting beams 22. Multiple columns 21 are provided, arranged around the support fixture 10, and adjacent columns 21 are connected by connecting beams 22.

[0049] Specifically, the columns 21 are composed of channel steel or angle steel. There are four columns 21. The connecting beams 22 are horizontally positioned along their length. Adjacent columns 21 are connected by a connecting beam 22. The columns 21 are welded to the connecting beams 22.

[0050] The support frame 20 provides circumferential support for the double-layer container, preventing it from tilting and collapsing.

[0051] In other embodiments, the column 21 may be a steel pipe. The number of columns 21 may be three, five, or more. The length direction of the connecting beam 22 may be angled to the horizontal direction. Adjacent columns 21 are connected by multiple connecting beams 22. The columns 21 and connecting beams 22 are fixed together by screws or pins.

[0052] See Figure 1 In some embodiments, the double-layer container vertical assembly 100 also includes equal-height columns 50, and multiple equal-height columns 50 are provided. The bottom surface of the assembly bracket 20 is connected to the top surface of the multiple equal-height columns 50.

[0053] Specifically, the bottom of the contour column 50 is fixed to the ground foundation using expansion bolts. The contour column 50 and the upright column 21 of the mounting bracket 20 are installed in a one-to-one correspondence. The bottom of the upright column 21 is welded to the top surface of the contour column 50.

[0054] When using the double-layer container vertical assembly 100, the height of the equal-height column 50 can be replaced with different height columns according to the height of the outer container 200, which can meet the assembly requirements of double-layer containers of different heights and sizes, and improve the adaptability of the double-layer container vertical assembly 100.

[0055] In other embodiments, the level column 50 and the column 21 can be connected and fixed by screws or pins.

[0056] See Figure 1 In some embodiments, the mounting bracket 20 further includes a grid plate 23, which is fixedly connected to the top of a plurality of uprights 21 and is arranged around the work area. Operators can walk on the grid plate 23 to facilitate mounting operations.

[0057] Optionally, the connection between the grid plate 23 and the column 21 can be welding, bolting, or pinning.

[0058] See Figure 1In some embodiments, the mounting bracket 20 further includes a guardrail 24 connected to the grid plate 23. The connection between the guardrail 24 and the grid plate 23 is near the outer edge of the grid plate 23, and the guardrail 24 surrounds the work area. The guardrail 24 can prevent operators on the grid plate 23 from accidentally falling, ensuring personnel safety during the double-layer container mounting process.

[0059] Specifically, the guardrail 24 includes a baffle 241, connecting rods 242, and an annular member 243. The baffle 241 is cylindrical, and its bottom end is fixedly connected to the outer edge of the fence 23. Multiple connecting rods 242 are provided, with their bottom ends fixedly connected to the top end of the baffle 241, and the multiple connecting rods 242 are evenly distributed around the circumference of the baffle 241. The annular member 243 is circular, and its axial direction is collinear with the axial direction of the baffle 241. The annular member 243 is fixedly connected to the top ends of the multiple connecting rods 242.

[0060] The cylindrical baffle 241 has high structural strength, which can reduce the risk of safety accidents caused by accidental deformation of the guardrail 24. The connecting rod 242 and the ring member 243 can extend the height of the guardrail 24, further improving safety without obstructing the operator's view.

[0061] Optionally, the guardrail 24 and the fence plate 23 can be connected by welding, bolting, or pinning.

[0062] See Figure 1 , Figure 3 and Figure 6 In some embodiments, the double-layer container vertical assembly 100 further includes an axis adjustment device 60. Multiple axis adjustment devices 60 are provided, each including a mounting portion 61 and a telescopic portion 62. The mounting portion 61 is mounted on the assembly bracket 20. The telescopic portion 62 is mounted on the mounting portion 61, and the telescopic portion 62 is movable in the horizontal direction and can abut against the outer wall of the outer container 200. The movement directions of the telescopic portions 62 of the multiple axis adjustment devices 60 are arranged at an angle.

[0063] Specifically, the axis adjustment device 60 is a jack, with its outer casing forming a mounting part 61 and its piston rod forming a telescopic part 62. The end of the piston rod can abut against the outer wall of the outer container 200. The end of the mounting part 61 of the axis adjustment device 60 away from the telescopic part 62 is welded to the end of a mounting rod 63. The other end of the mounting rod 63 is mounted on an anchor bolt on the side wall of the pit or on a column of the factory building. The mounting rod 63 is composed of channel steel.

[0064] A carrier plate 25 is provided below the grid plate 23 of the bracket set 20, and an axis adjustment device 60 is located between the grid plate 23 and the carrier plate 25. There are two axis adjustment devices 60, and the telescopic portions 62 of both axis adjustment devices 60 are horizontally oriented and perpendicular to each other. The directions of movement of the telescopic portions 62 of the two axis adjustment devices 60 intersect the axial direction of the support cylinder 12 of the support fixture 10.

[0065] A 5mm-10mm gap is reserved between the telescopic part 62 and the outer wall of the outer container 200 to prevent the outer container 200 from accidentally colliding with the axis adjustment device 60 during the process of inserting into the set bracket 20.

[0066] After the outer container 200 is placed into the mounting bracket 20, the external force drives the telescopic part 62 of the axis adjustment device 60 to move and abut against the outer wall of the outer container 200. Under the thrust of the telescopic part 62, the outer container 200 undergoes angular displacement. Combined with measuring devices such as a level, the verticality of the outer container 200 can be adjusted so that the outer container 200 and the inner container are accurately aligned, thereby effectively improving the assembly accuracy of the outer container 200 and the inner container set.

[0067] In other embodiments, the mounting portion 61 of the axis adjustment device 60 has a screw hole, and the outer wall of the telescopic portion 62 has an external thread that mates with the screw hole. The telescopic portion 62 is screwed into the mounting portion 61. The number of axis adjustment devices 60 can be three, four, or more.

[0068] See Figure 6 and Figure 7 In some embodiments, the double-layer container vertical assembly 100 further includes adjustment components 70, with multiple adjustment components 70 corresponding to each axis adjustment device 60. Each adjustment component 70 includes a top abutment 71 and a locking member 72. The top abutment 71 is movably mounted on the assembly bracket 20 and abuts against the side of the mounting portion 61 of the axis adjustment device 60. The movement direction of the top abutment 71 is perpendicular to the movement direction of the telescopic portion 62, and the movement directions of the multiple top abutments 71 are arranged at an angle. The locking member 72 is used to lock the relative positional relationship between the top abutment 71 and the assembly bracket 20.

[0069] Specifically, the abutment 71 is a screw, and the mounting bracket 20 is provided with a mounting plate 26. The mounting plate 26 has mounting holes, and the abutment 71 passes through the mounting holes on the mounting plate 26. The end of the abutment 71 abuts against the mounting part 61 of the axis adjustment device 60. The locking element 72 is a nut, and the locking element 72 is screwed to the abutment 71. Each abutment 71 is provided with two locking elements 72, and the two locking elements 72 are respectively provided on both sides of the mounting plate 26.

[0070] Each axis adjustment device 60 is provided with two adjustment components 70. The moving directions of the abutment members 71 of the two adjustment components 70 are perpendicular to each other. Of the abutment members 71 of the two adjustment components 70, one abutment member 71 is set to move vertically, and the other abutment member 71 is set to move horizontally.

[0071] During long-term use, the axis adjustment device 60 will be offset by the reaction force of the outer container 200. At this time, the locking action of the locking member 72 on the top abutment 71 can be released. Then, the external force drives the top abutment 71 to move, thereby adjusting the relative position of the axis adjustment device 60 and the mounting bracket 20. This allows the telescopic part 62 of the axis adjustment device 60 to apply a thrust to the outer container 200 in the correct direction, thereby ensuring that the axis adjustment device 60 can accurately adjust the verticality of the axis of the outer container 200.

[0072] It should be noted that when the top abutment 71 drives the mounting part 61 of the axis adjustment device 60 to move, the mounting rod 63 connected to one end of the mounting part 61 undergoes elastic deformation.

[0073] In summary, the support fixture 10 of the double-layer container vertical assembly 100 supports the outer container 200 of the double-layer container system. The assembly bracket 20 of the double-layer container vertical assembly 100 is arranged around the support fixture 10, providing circumferential support to the outer container 200 and preventing accidental tilting and collapse. The observation device 40 allows operators to observe the assembly of the outer container 200 and the inner container from below, reducing operator safety risks. Furthermore, the observation device 40 can move along the track 30, allowing for multi-angle observation of the relative position of the outer container 200 and the inner container through the observation window 131, facilitating operator judgment of whether the outer container 200 and the inner container are properly assembled. The telescopic part 62 of the axis adjustment device 60 can push the outer container 200, causing it to shift at an angle. Combined with measuring devices such as a level, the axial verticality of the outer container 200 can be adjusted, ensuring accurate alignment between the outer container 200 and the inner container, thereby effectively improving the assembly accuracy of the outer container 200 and the inner container assembly. The adjustment component 70 can adjust the relative position of the axis adjustment device 60 and the mounting bracket 20, so that the telescopic part 62 of the axis adjustment device 60 can apply a thrust to the outer container 200 in an accurate direction, thereby ensuring that the axis adjustment device 60 can accurately adjust the verticality of the outer container 200.

[0074] Although the invention has been described with reference to several typical embodiments, it should be understood that the terminology used is illustrative and exemplary, and not restrictive. Since the invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A vertical double-layer container assembly for assembling double-layer containers, the double-layer containers comprising an inner container and an outer container, the bottom of the outer container having an observation port; characterized in that, include: A support fixture, the top surface of which is used to support the outer container, and an observation window that is aligned with the observation port is provided on the top surface of the support fixture; A mounting bracket is arranged around the supporting fixture, and a working area for mounting a double-layer container is formed on the inner side of the mounting bracket. The track is located below the observation window; An observation device is movably mounted on the track, and the observation device is used to detect the relative position information of the inner container and the outer container.

2. The double-layer container vertical assembly device according to claim 1, characterized in that, The observation device includes an observer, a sliding seat, and wheels; the sliding seat is movably mounted on the track; the observer is mounted on the sliding seat and is used to detect the relative position information of the inner container and the outer container; the wheels are mounted on the sliding seat and roll in contact with the track to drive the sliding seat to move along the track.

3. The double-layer container vertical assembly device according to claim 2, characterized in that, The observation device also includes a drive motor, which is mounted on the sliding seat and is connected to the walking wheel for driving the walking wheel to roll.

4. The double-layer container vertical assembly device according to claim 1, characterized in that, The double-layer container vertical assembly also includes an axis adjustment device, which is provided in multiple ways. Each of the multiple axis adjustment devices includes a mounting part and a telescopic part. The mounting part is mounted on the assembly bracket, and the telescopic part is mounted on the mounting part. The telescopic part is movable in the horizontal direction and can abut against the outer wall of the outer container. The telescopic parts of the multiple axis adjustment devices are arranged at an angle to each other.

5. The double-layer container vertical assembly device according to claim 4, characterized in that, The double-layer container vertical assembly also includes adjustment components, with each axis adjustment device corresponding to multiple adjustment components; each adjustment component includes a top abutment and a locking component, the top abutment is movably mounted on the assembly bracket, and the top abutment abuts against the side of the mounting portion of the axis adjustment device; the moving direction of the top abutment is perpendicular to the moving direction of the telescopic portion, and the moving directions of multiple top abutments are arranged at an angle, and the locking component is used to lock the relative positional relationship between the top abutment and the assembly bracket.

6. The double-layer container vertical assembly device according to claim 1, characterized in that, The supporting fixture includes a base plate, a supporting cylinder, and an annular plate. The supporting cylinder is cylindrical and its bottom end is connected to the base plate. The annular plate is ring-shaped and connected to the top end of the supporting cylinder. The hollow area of ​​the annular plate forms the observation window.

7. The double-layer container vertical assembly device according to claim 1, characterized in that, The double-layer container vertical assembly also includes multiple equal-height columns, and the bottom surface of the assembly bracket is connected to the top surface of the multiple equal-height columns.

8. The double-layer container vertical assembly device according to claim 1, characterized in that, The set of brackets includes columns and connecting beams. There are multiple columns arranged around the support fixture, and adjacent columns are connected by the connecting beams.

9. The double-layer container vertical assembly according to claim 8, characterized in that, The set of brackets also includes a grid plate, which is fixedly connected to the top of the plurality of columns and is arranged around the work area.

10. The double-layer container vertical assembly device according to claim 9, characterized in that, The set of brackets also includes guardrails, which are connected to the grid plate.

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