A tank container head and cylinder vertical assembly system and method

Abstract

The present invention discloses a system and method for vertically assembling a head and a cylinder of a tank container, comprising a workbench, a cylinder rotating device and two head placing devices; the cylinder rotating device comprises a rail gantry, a rotating frame, a rotating hydraulic motor, a screw guide pair, a cylinder clamp, a loosening cylinder, a clamping cylinder and a vertical cylinder; the head placing device comprises a bottom plate and a rotating turntable arranged on the bottom plate, a plurality of universal balls, a plurality of cylinder placing frames and an assembling cylinder; the cylinder rotating device can clamp the cylinder and move it above the head placing device, and rotate the cylinder to a vertical position respectively, so that the two ends of the cylinder are respectively assembled with the head. The present invention can reduce the gap between the groups, speed up the assembly speed of the head and the cylinder, improve the welding quality, and reduce the labor intensity of the workers at the same time; by rotating the rotating frame, the assembly of the heads on both sides can be completed by one clamping, thereby improving the production efficiency; the height space of the factory building is fully utilized, the production site is saved, and it is conducive to the layout of the production line.

Description

Technical Field

[0001] The invention relates to a tank container head and cylinder vertical assembly system and method. Background Art

[0002] In recent years, relevant policies for the development of multimodal transport have been introduced intensively, and the advantages of container transportation such as punctuality, convenience and low cost have become increasingly prominent. The overall transportation volume has shown an increasing trend year by year. Container transportation is the core business for the sustainable development of railway freight and the main growth point for freight growth. Tank containers are also becoming more and more popular among customers.

[0003] At present, the horizontal assembly method is mostly used when assembling the head and the cylinder of the tank container. The horizontal assembly occupies a large area of ​​the factory, which is not conducive to the optimization of the production line layout. In addition, the assembly gap is difficult to ensure and the adjustment is difficult, which brings inconvenience to the head assembly and high labor intensity for workers. When assembling, the overhead crane needs to hang the head for a long time, which wastes resources. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a system and method for vertical assembly of a tank container head and cylinder, so as to solve the problems of large assembly gap, difficulty in adjusting the assembly gap, unstable assembly quality, low production efficiency, and large plant area occupied during horizontal assembly.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions to achieve the above problems:

[0006] A tank container head and cylinder vertical assembly system, comprising a workbench, a cylinder rotating device and two head placing devices;

[0007] The cylinder rotating device comprises a track gantry car, a rotating frame, a rotating hydraulic motor, a screw guide pair, a cylinder clamp, a release cylinder, a clamping cylinder and a vertical cylinder; the track gantry car can move along two running tracks on the workbench; the rotating frame is installed on the track gantry car and is located above the two running tracks, two cylinder clamps are respectively installed at the front and rear ends of the rotating frame, and the two cylinder clamps are coaxial to clamp the cylinder, the left and right ends of the rotating frame are connected to the rotating hydraulic motor, the rotating hydraulic motor is installed on the screw guide pair, and the screw guide pair is vertically installed in the middle of the track gantry car, the rotating hydraulic motor can drive the rotating frame to rotate to rotate the cylinder to a vertical position, and the screw guide pair can adjust the height of the rotating frame; the release cylinder and the clamping cylinder are installed at the upper end of the cylinder clamp to realize the clamping and loosening of the cylinder clamp; the vertical cylinder is installed at the lower end of the rotating frame and is located on both sides of the upper part of the cylinder clamp to further clamp the cylinder clamp;

[0008] The end cap placement device comprises a base plate and a rotating turntable, a plurality of universal balls, a plurality of cylinder placement racks and a pair of cylinders arranged on the base plate; the rotating turntable is installed at the center of the base plate and can rotate and rise and fall; the plurality of universal balls are distributed in a circle around the rotating turntable; the plurality of cylinder placement racks are arranged outside the circle where the universal balls are located and are distributed in a circle, and a pair of cylinders is installed on each cylinder placement rack; the two end cap placement devices are located between the two running tracks and are arranged along the direction of the running tracks.

[0009] The present invention also includes the following technical features:

[0010] Specifically, the rail door type vehicle is a rectangular frame structure, including a top frame, two mutually parallel bottom beams, four columns and two side beams; the two bottom beams are located directly below the top frame, the columns are located at the four corners of the top frame and vertically connect the top frame and the bottom beams, and the side beams are located in the middle of the long sides of the top frame and vertically connect the top frame and the bottom beams; the two bottom beams can move along two running tracks respectively.

[0011] Specifically, there are two screw guide pairs, which are respectively arranged on the inner sides of the two side beams, and a lifting hydraulic motor is connected to the screw guide pairs.

[0012] Specifically, the rotating frame is a W-shaped structure, including a front crossbar, a middle crossbar and a rear crossbar parallel to each other, and a longitudinal bar vertically connected to the middle of the three crossbars, and the three crossbars are perpendicular to the running track;

[0013] The two ends of the middle cross bar are respectively connected to the rotary hydraulic motor; the front cross bar and the rear cross bar are respectively provided with a cylinder clamp, and the axial direction of the cylinder clamp is parallel to the longitudinal bar.

[0014] Specifically, the cylinder hoop includes two opposite semicircular hoops;

[0015] The clamping oil cylinder is arranged between the upper ends of the two semicircular hoops; two coaxially opposite loosening oil cylinders are respectively arranged on the front cross bar and the rear cross bar, and the two loosening oil cylinders are respectively located on both sides of the upper ends of the two semicircular hoops; the telescopic direction of the clamping oil cylinder and the loosening oil cylinder is perpendicular to the axial direction of the barrel hoop;

[0016] Two vertical oil cylinders are respectively provided at the lower ends of the front cross bar and the rear cross bar, and a triangular protrusion is provided on the upper outer wall of the semicircular hoop. The vertical oil cylinder is located above the triangular protrusion. When the vertical oil cylinder is extended, it can press against the triangular protrusion to apply clamping force to the cylinder hoop.

[0017] Specifically, rubber pads are provided at the lower ends of the front crossbar and the rear crossbar.

[0018] Specifically, the plurality of universal balls and the plurality of oil cylinder mounting racks are evenly distributed along the circumference.

[0019] Specifically, the screw guide pair is installed on the rail door type vehicle through bolts, the rotary hydraulic motor is installed on the screw guide pair through bolts, and the rotary frame is connected to the rotary hydraulic motor through bolts.

[0020] A method for vertically assembling a tank container head and a cylinder, which is realized by the tank container head and cylinder vertical assembly system. The assembly line of the method includes three workstations, which are a material clamping area, an assembly area and a completion area in the direction of the running track on the workbench. Two head placement devices are located in the assembly area. The cylinder rotating device can be moved from the material clamping area to the assembly area, and then moved to the completion area after the assembly is completed. A transport trolley is used to transport the cylinder in both the material clamping area and the completion area.

[0021] The following steps are involved:

[0022] Step 1. Before the assembly work, place the two heads on the head placement device respectively: raise the rotating turntable and hang the heads on the rotating turntable; lower the rotating turntable while rotating slowly, drop the heads until the universal ball contacts the heads, stop the rotating turntable moving downward, continue to rotate the rotating turntable, fine-tune the heads, then move the rotating turntable downward to separate from the heads, raise the rotating turntable after the heads are stable, and stop raising it when it just contacts the heads as an auxiliary support; complete the placement of the heads; at the same time, the transport trolley transports the cylinder to the clamping area;

[0023] Step 2: When starting to assemble, release the oil cylinder to extend and open the barrel clamp, the rail gantry car moves to the clamping area, and the rotating frame moves downward to the barrel through the screw guide pair. When the rubber pad under the rotating frame contacts the barrel, the clamping oil cylinder starts to extend and work, and release the oil cylinder to retract. When the clamping oil cylinder is pushed out to the specified position, the barrel clamp closes, and the vertical oil cylinder starts to move at this time to further clamp and lock the barrel clamp; then, the rotating frame moves upward to the working position, so that the barrel leaves the transport trolley, and the rail gantry car moves to the assembly area to start the assembly work;

[0024] Step 3, during assembly, the rotating frame rotates 90 degrees through the rotary hydraulic motor, and then moves downward, stops when the cylinder contacts the head, and the assembly cylinder begins to extend, aligns the head with the cylinder, and starts assembly; after the assembly is completed, the assembly cylinder is released, and after the rotating frame moves up to the appropriate position, it is rotated 180 degrees by the rotary hydraulic motor, and the assembly operation is repeated to assemble the head on the other side; after the assembly is completed, the rotating frame moves up to the designated position, rotates 90 degrees to make the tank body horizontal, and the assembly operation is completed; when the head and the cylinder are assembled, the transport trolley will transport the cylinder to the clamping area from the previous station for standby use, thereby improving production efficiency;

[0025] Step 4. After the assembly is completed, move the rail gantry car to the completion area, move the rotating frame downward until the tank body contacts the transport trolley and stops moving, retract the vertical cylinder and clamping cylinder in turn, release the cylinder and push it out, then release the cylinder clamp, place the assembled tank body on the transport trolley and send it to the next station; the rotating frame returns to its initial position, at which point the entire cylinder and head assembly process is completed.

[0026] Compared with the prior art, the present invention has the following technical effects:

[0027] The present invention can reduce the gap between the two groups, speed up the speed of assembling the head and the cylinder, improve the welding quality, and reduce the labor intensity of workers; the assembly of the heads on both sides can be completed by clamping once through the rotation of the rotating frame, thereby improving production efficiency; the height space of the factory building is fully utilized, the production site is saved, and it is beneficial to the layout of the production line; the vertical hydraulic cylinder is used for secondary clamping, which increases the clamping force and ensures reliable clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a schematic diagram of the drum rotating device of the present invention;

[0030] Figure 3 This is a schematic diagram of the head placement device of the present invention;

[0031] Figure 4 A schematic diagram of placing a head on the head placement device of the present invention;

[0032] Figure 5 Schematic diagram of the process of assembling the head and the cylinder of the present invention; (a) is a schematic diagram of the cylinder rotating device clamping the cylinder in the clamping area; (b) is a schematic diagram of the cylinder rotating device rotating the cylinder in the assembly area to assemble it with the head; (c) is a schematic diagram of the cylinder rotating device moving to the completion area after completing the assembly;

[0033] Figure 6 Schematic diagrams of the combination of the head and the cylinder of the present invention; (a) is a schematic diagram of the combination of the cylinder and the head on one side, and (b) is a schematic diagram of the combination of the cylinder and the head on the other side;

[0034] Figure 7 (a) is a schematic diagram of the cylinder clamp clamping the cylinder; (b) is a schematic diagram of the cylinder clamp loosening the cylinder.

[0035] The meaning of each number in the figure is:

[0036] 1. Workbench, 2. Cylinder rotating device, 3. Two head placement devices, 4. Cylinder, 5. Transport trolley; 11. Running track; 21. Track gantry car, 22. Rotating frame, 23. Rotating hydraulic motor, 24. Screw guide pair, 241. Lifting hydraulic motor, 25. Cylinder clamp, 26. Release cylinder, 27. Clamping cylinder, 28. Vertical cylinder, 29. Rubber pad; 31. Bottom plate, 32. Rotating turntable, 33. Universal ball, 34. Cylinder placement frame, 35. Assembly cylinder. DETAILED DESCRIPTION

[0037] Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the present invention.

[0038] Embodiment 1:

[0039] like Figures 1 to 7 As shown, this embodiment provides a tank container head and cylinder vertical assembly system, including a workbench 1, a cylinder rotating device 2 and two head placement devices 3.

[0040] The cylinder rotating device 2 includes a rail door type car 21, a rotating frame 22, a rotating hydraulic motor 23, a screw guide rail pair 24, a cylinder clamp 25, a release cylinder 26, a clamping cylinder 27 and a vertical cylinder 28; the rail door type car 21 can move along the two running tracks 11 on the workbench; the rotating frame 22 is installed on the rail door type car 21 and is located above the two running tracks 11, and two cylinder clamps 25 are respectively installed at the front and rear ends of the rotating frame 22, and the two cylinder clamps 25 are coaxial to clamp the cylinder 4, and the left and right ends of the rotating frame 22 are connected A rotary hydraulic motor 23 is mounted on a screw guide pair 24, which is vertically mounted in the middle of the rail door vehicle 21. The rotary hydraulic motor 23 can drive the rotary frame 22 to rotate to rotate the cylinder 4 to a vertical position, and the screw guide pair 24 can adjust the height of the rotary frame 22. A release cylinder 26 and a clamping cylinder 27 are mounted on the upper end of the cylinder hoop 25 to achieve clamping and loosening of the cylinder hoop 25. A vertical cylinder 28 is mounted on the lower end of the rotary frame 22 and is located on both sides of the upper part of the cylinder hoop 25 to further clamp the cylinder hoop 25.

[0041] The end cap placement device 3 includes a base plate 31 and a rotating turntable 32, a plurality of universal balls 33, a plurality of cylinder placement racks 34 and a pair of cylinders 35 arranged on the base plate 31; the rotating turntable 32 is installed at the center of the base plate 31 and can rotate and rise and fall; the plurality of universal balls 33 are distributed in a circle around the rotating turntable 32; the plurality of cylinder placement racks 34 are arranged outside the circle where the universal balls 33 are located and are distributed in a circle, and a pair of cylinders 35 is installed on each cylinder placement rack 34; the two end cap placement devices 3 are located between the two running tracks 11 and are arranged along the direction of the running tracks 11.

[0042] Specifically, in this embodiment, the plurality of universal balls and the plurality of oil cylinder mounting racks are evenly distributed along the circumference.

[0043] The rail door type vehicle 21 is a rectangular frame structure, including a top frame, two parallel bottom beams, four columns and two side beams; the two bottom beams are located directly below the top frame, the columns are located at the four corners of the top frame and vertically connect the top frame and the bottom beams, and the side beams are located in the middle of the long side of the top frame and vertically connect the top frame and the bottom beams; the two bottom beams can move along two running tracks 11 respectively.

[0044] There are two screw guide pairs 24 , which are respectively arranged on the inner sides of the two side beams, and a lifting hydraulic motor 241 is connected to the screw guide pairs 24 .

[0045] The rotating frame 22 is a W-shaped structure, including a front cross bar, a middle cross bar and a rear cross bar which are parallel to each other, and a longitudinal bar vertically connected to the middle of the three cross bars, and the three cross bars are perpendicular to the running track; the two ends of the middle cross bar are respectively connected to the rotating hydraulic motor 23; the front cross bar and the rear cross bar are respectively provided with a cylinder clamp 25, and the axial direction of the cylinder clamp 25 is parallel to the longitudinal bar.

[0046] The cylinder clamp 25 includes two opposite semicircular hoops; the clamping cylinder 27 is arranged between the upper ends of the two semicircular hoops; two coaxial opposite loosening cylinders 26 are respectively provided on the front cross bar and the rear cross bar, and the two loosening cylinders 26 are respectively located on both sides of the upper ends of the two semicircular hoops; the telescopic direction of the clamping cylinder 27 and the loosening cylinder 26 is perpendicular to the axial direction of the cylinder clamp 25; two vertical cylinders 28 are respectively provided at the lower ends of the front cross bar and the rear cross bar, and a triangular protrusion is provided on the upper outer wall of the semicircular hoop, and the vertical cylinder 28 is located above the triangular protrusion. When the vertical cylinder 28 is extended, it can press against the triangular protrusion to apply a clamping force to the cylinder clamp 25.

[0047] The lower ends of the front crossbar and the rear crossbar are both provided with rubber pads 29 .

[0048] Specifically, in this embodiment, the lead screw guide pair is installed on the rail door type vehicle through bolts, the rotary hydraulic motor is installed on the lead screw guide pair through bolts, and the rotary frame is connected to the rotary hydraulic motor through bolts.

[0049] Embodiment 2:

[0050] This embodiment provides a method for vertically assembling a tank container head and a cylinder. The method is implemented by the system in Example 1. The assembly line of the method includes three workstations, which are a material clamping area, an assembly area, and a completion area in the direction of the running track on the workbench. Two head placement devices are located in the assembly area. The cylinder rotating device can be moved from the material clamping area to the assembly area, and then moved to the completion area after the assembly is completed. A transport trolley is used to transport the cylinder in both the material clamping area and the completion area. Specifically, the transport trolley in this embodiment is an AGV trolley;

[0051] The following steps are involved:

[0052] Step 1: Before the assembly work, place the two heads on the head placement device: raise the rotating turntable and hang the heads on the rotating turntable. Figure 4 As shown; lower the rotating turntable while rotating slowly, drop the end cap into the place where the universal ball contacts the end cap, stop the rotating turntable moving downward, continue to rotate the rotating turntable, make fine adjustments to the end cap, then move the rotating turntable downward to separate from the end cap, and after the end cap is stable, raise the rotating turntable, and stop raising it when it just contacts the end cap to serve as an auxiliary support; complete the placement of the end cap; at the same time, the transport trolley transports the cylinder to the clamping area;

[0053] Step 2, when starting to assemble, release the oil cylinder to extend and open the barrel clamp, the rail door car moves to the clamping area, the rotating frame moves downward to the barrel through the screw guide pair, and when the rubber pad under the rotating frame contacts the barrel, the clamping oil cylinder starts to extend and work, release the oil cylinder to retract, and when the clamping oil cylinder is pushed out to the specified position, the barrel clamp closes, and the vertical oil cylinder starts to move, further clamping and locking the barrel clamp, such as Figure 5 As shown; after that, the rotating frame moves upward to the working position, so that the cylinder leaves the transport trolley, and the rail door type car moves to the assembly area to start the assembly work;

[0054] Step 3: During assembly, the rotating frame rotates 90 degrees through the rotary hydraulic motor, then moves downward, stops when the cylinder contacts the head, and the assembly cylinder begins to extend, aligns the head with the cylinder, and starts assembly; after the assembly is completed, the assembly cylinder is released, the rotating frame moves up to the appropriate position, and then rotates 180 degrees through the rotary hydraulic motor, repeats the assembly operation, and assembles the head on the other side. Figure 5 and 6 As shown; after the assembly is completed, the rotating frame moves up to the designated position and rotates 90 degrees to make the tank body horizontal, completing the assembly operation; when the head and the cylinder are assembled, the transport trolley will transport the cylinder body from the previous station to the clamping area for standby use, thereby improving production efficiency;

[0055] Step 4: After the assembly is completed, move the rail gantry car to the completion area, and the rotating frame moves downward until the tank body contacts the transport trolley and stops moving. Retract the vertical cylinder and clamping cylinder in turn, release the cylinder and push it out. At this time, release the cylinder clamp, place the assembled tank body on the transport trolley, and send it to the next station. Figure 5 and 7 As shown; the rotating frame returns to its initial position, at which point the entire cylinder and head assembly process is completed.

Claims

1. A tank container head and cylinder vertical assembly system, characterized in that: It includes a workbench (1), a cylinder rotating device (2) and two head placing devices (3); The cylinder rotating device (2) includes a rail gantry vehicle (21), a rotating frame (22), a rotating hydraulic motor (23), a lead screw guide rail pair (24), a cylinder hoop (25), a release oil cylinder (26), a clamping oil cylinder (27) and a vertical oil cylinder (28); the rail gantry vehicle (21) can move along two running rails (11) on the workbench; the rotating frame (22) is installed on the rail gantry vehicle (21) and above the two running rails (11), and two of the cylinder hoops (25) are respectively installed at the front and rear ends of the rotating frame (22) and the two cylinder hoops (25) are coaxial to clamp the cylinder (4), the left and right ends of the rotating frame (22) are connected to the rotating hydraulic motor (23), the rotating hydraulic motor (23) is installed on the lead screw guide rail pair (24), the lead screw guide rail pair (24) is vertically installed in the middle of the rail gantry vehicle (21), and the rotating hydraulic motor (23) can drive the rotating frame (22) to rotate to rotate the cylinder (4) to a vertical position, and the lead screw guide rail pair (24) can adjust the height of the rotating frame (22); the release oil cylinder (26) and the clamping oil cylinder (27) are installed at the upper end of the cylinder hoop (25) to realize the clamping and release of the cylinder hoop (25); the vertical oil cylinder (28) is installed at the lower end of the rotating frame (22) and on both sides of the upper part of the cylinder hoop (25) to further clamp the cylinder hoop (25); The head placing device (3) includes a bottom plate (31) and a rotating turntable (32), a plurality of universal balls (33), a plurality of oil cylinder placing frames (34) and alignment oil cylinders (35) arranged on the bottom plate (31); the rotating turntable (32) is installed at the center of the bottom plate (31) and can rotate and lift; a plurality of universal balls (33) are distributed in a circle around the rotating turntable (32); a plurality of oil cylinder placing frames (34) are arranged outside the circle where the universal balls (33) are located and are distributed in a circle, and one alignment oil cylinder (35) is installed on each oil cylinder placing frame (34); the two head placing devices (3) are located between the two running rails (11) and are arranged along the direction of the running rails (11); The rail gantry vehicle (21) is a rectangular frame structure, including a top square frame, two parallel bottom beams, four columns and two side beams; the two bottom beams are directly below the top square frame, the columns are located at the four corners of the top square frame and vertically connect the top square frame and the bottom beams, and the side beams are located in the middle of the long sides of the top square frame and vertically connect the top square frame and the bottom beams; the two bottom beams can respectively move along the two running rails (11); The rotating frame (22) is a king-shaped structure, including a front cross bar, a middle cross bar and a rear cross bar that are parallel to each other and a vertical bar vertically connected to the middle of these three cross bars, and the three cross bars are perpendicular to the running rails; Both ends of the middle cross bar are respectively connected to the rotating hydraulic motor (23); cylinder hoops (25) are respectively provided on the front cross bar and the rear cross bar, and the axis of the cylinder hoop (25) is parallel to the vertical bar.

2. The tank container head and cylinder vertical assembly system according to claim 1 is characterized in that: There are two screw guide rail pairs (24), which are respectively arranged on the inner sides of the two side beams, and a lifting hydraulic motor (241) is connected to the screw guide rail pair (24).

3. The tank container head and cylinder vertical assembly system according to claim 1 is characterized in that: The cylinder hoop (25) comprises two opposite semicircular hoops; The clamping oil cylinder (27) is arranged between the upper ends of the two semicircular hoops; two coaxially opposite loosening oil cylinders (26) are respectively arranged on the front cross bar and the rear cross bar, and the two loosening oil cylinders (26) are respectively located on both sides of the upper ends of the two semicircular hoops; the expansion and contraction directions of the clamping oil cylinder (27) and the loosening oil cylinder (26) are perpendicular to the axial direction of the barrel hoop (25); Two vertical oil cylinders (28) are respectively arranged at the lower ends of the front crossbar and the rear crossbar, and a triangular protrusion is arranged on the upper outer wall of the semicircular hoop. The vertical oil cylinder (28) is located above the triangular protrusion. When the vertical oil cylinder (28) is extended, it can press against the triangular protrusion to apply a clamping force to the cylinder hoop (25).

4. The tank container head and cylinder vertical assembly system according to claim 1, characterized in that: The lower ends of the front crossbar and the rear crossbar are both provided with rubber pads (29).

5. The tank container head and cylinder vertical assembly system according to claim 1, characterized in that: The plurality of universal balls (33) and the plurality of oil cylinder mounting racks (34) are evenly distributed along the circumference.

6. The tank container head and cylinder vertical assembly system according to claim 1, characterized in that: The screw guide pair (24) is installed on the track gate vehicle (21) through bolts, the rotary hydraulic motor (23) is installed on the screw guide pair (24) through bolts, and the rotary frame (22) is connected to the rotary hydraulic motor (23) through bolts.

7. A method for vertically assembling a tank container head and a cylinder, characterized in that: The method is implemented by the tank container head and cylinder vertical assembly system according to any one of claims 1 to 6. The assembly line of the method includes three workstations, which are the material clamping area, the assembly area and the completion area in the direction of the running track on the workbench. The two head placement devices are located in the assembly area. The cylinder rotating device can be moved from the material clamping area to the assembly area, and then moved to the completion area after the assembly is completed. A transport trolley is used to transport the cylinder in both the material clamping area and the completion area. The following steps are involved: Step 1. Before the assembly work, place the two heads on the head placement device respectively: raise the rotating turntable and hang the heads on the rotating turntable; lower the rotating turntable while rotating slowly, drop the heads until the universal ball contacts the heads, stop the rotating turntable moving downward, continue to rotate the rotating turntable, fine-tune the heads, then move the rotating turntable downward to separate from the heads, raise the rotating turntable after the heads are stable, and stop raising it when it just contacts the heads as an auxiliary support; complete the placement of the heads; at the same time, the transport trolley transports the cylinder to the clamping area; Step 2: When starting to assemble, release the oil cylinder to extend and open the barrel clamp, the rail gantry car moves to the clamping area, and the rotating frame moves downward to the barrel through the screw guide pair. When the rubber pad under the rotating frame contacts the barrel, the clamping oil cylinder starts to extend and work, and release the oil cylinder to retract. When the clamping oil cylinder is pushed out to the specified position, the barrel clamp closes, and the vertical oil cylinder starts to move at this time to further clamp and lock the barrel clamp; then, the rotating frame moves upward to the working position, so that the barrel leaves the transport trolley, and the rail gantry car moves to the assembly area to start the assembly work; Step 3, during assembly, the rotating frame rotates 90 degrees through the rotary hydraulic motor, and then moves downward, stops when the cylinder contacts the head, and the assembly cylinder begins to extend, aligns the head with the cylinder, and starts assembly; after the assembly is completed, the assembly cylinder is released, and after the rotating frame moves up to the appropriate position, it is rotated 180 degrees by the rotary hydraulic motor, and the assembly operation is repeated to assemble the head on the other side; after the assembly is completed, the rotating frame moves up to the designated position, rotates 90 degrees to make the tank body horizontal, and the assembly operation is completed; when the head and the cylinder are assembled, the transport trolley will transport the cylinder to the clamping area from the previous station for standby use, thereby improving production efficiency; Step 4. After the assembly is completed, move the rail gantry car to the completion area, move the rotating frame downward until the tank body contacts the transport trolley and stops moving, retract the vertical cylinder and clamping cylinder in turn, release the cylinder and push it out, then release the cylinder clamp, place the assembled tank body on the transport trolley and send it to the next station; the rotating frame returns to its initial position, at which point the entire cylinder and head assembly process is completed.

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