Heavy-load hydraulic cylinder rotary vertical mounting equipment and method

Abstract

The invention relates to the technical field of hydraulic cylinder production, in particular to a heavy-load hydraulic cylinder rotating and vertically-installing device and method.The heavy-load hydraulic cylinder rotating and vertically-installing device comprises a bearing beam with a horizontal station and a vertical station, and a turnover mechanism for driving the bearing beam to be switched between the horizontal station and the vertical station; the cylinder head clamping unit comprises a base A and a chuck A mounted on the base A, and a clamping jaw of the chuck A is configured to be fixedly matched with the peripheral surface of one end of the cylinder barrel; the rod head clamping unit is arranged on one side of the barrel head clamping unit and comprises a base B and a chuck B mounted on the base B; the bearing beam and the units on the bearing beam are arranged, station switching is conducted in cooperation with the turnover mechanism, the assembly precision is guaranteed, meanwhile, the automation degree of assembly is remarkably improved, the labor intensity of workers is greatly reduced, potential safety hazards of traditional hoisting are avoided, and then the production efficiency of products is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hydraulic cylinder production, and in particular to a heavy-duty hydraulic cylinder rotary vertical installation device and method. Background Art

[0002] As a highly efficient hydraulic actuator, the hydraulic cylinder has the ability to convert hydraulic energy into mechanical energy and drive linear reciprocating or swinging motion. Its core components include cylinder barrel, piston rod and cylinder head. Thanks to its simple structure and stable operation, the hydraulic cylinder can achieve smooth reciprocating motion without a reduction unit, and is highly favored because of its lack of transmission clearance. It is widely used in the hydraulic systems of various mechanical equipment.

[0003] In the field of hydraulic cylinder assembly, the equipment currently on the market is mainly divided into two categories: horizontal assembly and vertical assembly. Horizontal assembly uses a horizontal platform to support the piston rod and push it into the cylinder barrel horizontally. The advantage of this method is that it is easy to integrate with the truss manipulator to form an efficient automated assembly line, which significantly improves production efficiency. However, when faced with a heavy-duty hydraulic cylinder that is large in size and heavy in weight, the horizontal platform cannot fully support the piston rod, causing the piston rod end to sag due to its own weight, which in turn affects the assembly accuracy with the cylinder barrel.

[0004] In contrast, vertical assembly uses a crane to lift the piston rod and place it vertically into the cylinder. This method effectively reduces the impact of the piston rod's own weight on assembly accuracy and significantly improves assembly quality. However, the shortcoming of vertical assembly is that it is highly dependent on manual crane operation, which is not only labor-intensive, but also lacks constraints on the lifting operation itself, posing a high safety risk. The low level of automation also limits the improvement of production efficiency. Summary of the invention

[0005] The technical problem to be solved by the present invention is to address the deficiencies in the prior art and to provide a heavy-duty hydraulic cylinder rotary vertical installation device and method that does not require manual crane lifting, which can take into account the advantages of both horizontal assembly and vertical assembly, while ensuring assembly accuracy, significantly improving the degree of assembly automation, greatly reducing the labor intensity of workers, avoiding the safety hazards of traditional lifting, and thereby effectively improving product production efficiency.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A heavy-duty hydraulic cylinder rotary vertical installation device, characterized in that it includes a load-bearing beam with two positions, horizontal and vertical, and a flipping mechanism for driving the load-bearing beam to switch between the horizontal and vertical positions, and the load-bearing beam is installed with: The cylinder head clamping unit comprises a base A and a chuck A mounted on the base A, wherein the claws of the chuck A are configured to form a fixed fit with the outer peripheral surface of one end of the cylinder; The rod head clamping unit is arranged at one side of the cylinder head clamping unit, and comprises a base B and a chuck B mounted on the base B, wherein the claws of the chuck B are configured to form a rotational fit with the radial through hole at one end of the piston rod, and the chuck A and the chuck B are arranged opposite to each other; The barrel clamping unit is arranged between the barrel head clamping unit and the rod head clamping unit, and includes a base C and a centering clamping mechanism arranged on the base C. The upper surface of the base C is downwardly provided with a receiving groove C that cooperates with the cylinder barrel. The multiple clamping ends of the centering clamping mechanism are all located on an inscribed circle coaxial with the chuck A and can extend into the receiving groove C to cooperate with the chuck A to clamp and fix the cylinder barrel; The support tightening unit is arranged between the barrel clamping unit and the rod head clamping unit, and includes a base D and a support frame installed on the base D. A swing block is rotatably installed on the top of the support frame. A receiving groove D that cooperates with the piston rod or the cylinder head is opened on one side of the swing block toward the rotation center. The bottom of the receiving groove D is provided with a supporting surface for supporting the piston rod. The swing blocks on both sides of the receiving groove D are provided with a centering clamping mechanism for clamping the cylinder head. The base B and the base D are both slidably installed on the load-bearing beam along the axial direction of the chuck A.

[0007] The technical problem to be solved by the present invention can be further achieved by the following steps: the chuck A is specifically a three-jaw pneumatic chuck, and the three jaws of the chuck A are configured to form line / surface contact with the outer peripheral surface of the cylinder. The chuck A is rotatably mounted on the base A, and the base A is provided with a drive motor A that is transmission-connected to the chuck A.

[0008] The technical problem to be solved by the present invention can be further achieved through the following steps: the chuck B is specifically a two-jaw pneumatic chuck, and both jaws of the chuck B are fixed with clamping protrusions for clamping into the radial through holes at the end of the piston rod. The chuck B forms a rotational fit with the radial through holes at the end of the piston rod through the clamping protrusions.

[0009] The technical problem to be solved by the present invention can be further achieved by the following steps: the chuck B is rotatably mounted on the base B, a sensor for identifying the position of the radial through hole is fixedly mounted on the side of the chuck B facing the chuck A, and a drive motor B is provided on the base B which is transmission-connected to the chuck B.

[0010] The technical problem to be solved by the present invention can be further achieved through the following steps: the base B includes a fixed seat and a movable seat, the fixed seat is slidably arranged on the load-bearing beam, the movable seat is arranged on one side of the fixed seat and connected to the chuck B, and a two-degree-of-freedom servo adjustment mechanism is provided on the fixed seat for driving the movable seat to slide and adjust along the radial direction of the chuck B.

[0011] The technical problem to be solved by the present invention can be further achieved through the following steps: the accommodating groove C is U-shaped, and the centering clamping mechanism is a self-centering connecting rod mechanism driven by a driving motor C.

[0012] The technical problem to be solved by the present invention can be further achieved through the following steps: the base D is equipped with a lifting and adjusting mechanism for adjusting the height of the support frame.

[0013] The technical problem to be solved by the present invention can be further achieved through the following steps: the accommodating groove D is U-shaped, the supporting surface of the accommodating groove D is an arc surface, and a driving motor D for driving the swing block to swing back and forth is installed on the support frame, and the output end of the driving motor D is connected to the swing block through a gear rack structure.

[0014] The technical problem to be solved by the present invention can be further achieved by the following steps: a guide rail is fixedly installed on the load-bearing beam along its length direction, and the base A, base B, base C and base D are all slidably installed on the guide rail through sliders and are respectively connected to power mechanisms.

[0015] The present invention also provides a method for rotating and vertically installing a heavy-duty hydraulic cylinder, which is characterized in that the method uses the above-mentioned heavy-duty hydraulic cylinder rotating and vertically installing equipment, and specifically comprises the following steps: 1) Component installation: The truss manipulator grabs the cylinder and places it at the rear end of the load-bearing beam, and clamps and fixes the cylinder through the cylinder head clamping unit and the cylinder body clamping unit; the truss manipulator grabs the piston rod and places it at the front end of the load-bearing beam, and horizontally positions the piston rod through the rod head clamping unit and the support tightening unit; 2) Horizontal docking: The rod head clamping unit and the support tightening unit move synchronously, so that the rear end of the piston rod enters the cylinder to complete the docking; 3) Flipping and positioning: The flipping mechanism drives the load-bearing beam to flip 90° and switch to the vertical position; 4) Vertical loading: The support tightening unit moves down to make way, and the rod head clamping unit moves down to load the piston rod into place; 5) Tightening the cylinder head: After the piston rod is loaded, the cylinder head reaches the front end of the cylinder barrel, the rod head clamping unit loosens the piston rod and moves up to make way, the support tightening unit moves to the cylinder head position, and the centering clamping mechanism cooperates with the swing block to reciprocate and tighten the cylinder head.

[0016] Compared with the prior art, the beneficial effects of the present invention are: by setting a load-bearing beam and the various units thereon, and cooperating with a flip mechanism to switch workstations, while ensuring assembly accuracy, the degree of assembly automation is significantly improved, the labor intensity of workers is greatly reduced, and the safety hazards of traditional lifting are avoided, thereby effectively improving the production efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of a horizontal workstation of the present invention; Figure 2 It is a schematic diagram of a vertical workstation of the present invention; Figure 3 It is a structural schematic diagram of the cartridge head clamping unit of the present invention; Figure 4 It is a structural schematic diagram of a club head clamping unit of the present invention; Figure 5 It is a structural schematic diagram of the barrel clamping unit of the present invention; Figure 6 It is a structural schematic diagram of the support and tightening unit of the present invention; In the figure: 1-rod head clamping unit; 2-barrel head clamping unit; 3-barrel body clamping unit; 4-support tightening unit; 5-bearing beam; 6-head frame positioner; 7-tail frame positioner; 8-two-degree-of-freedom servo adjustment mechanism; 9-clamping protrusion; 10-sensor; 11-gear plate B; 12-screw transmission mechanism B; 13-chuck A; 14-gear plate A; 15-screw transmission mechanism A; 16-drive motor C; 17-centering clamping mechanism; 18-gear rack drive mechanism D; 19-lifting adjustment mechanism; 20-arc rack D; 21-centering clamping mechanism; 22-base A; 23-base B (fixed base); 24-movable base; 25-clamping protrusion; 26-accommodating groove C; 27-accommodating groove D. DETAILED DESCRIPTION

[0018] The specific technical solutions of the present invention are further described below so that those skilled in the art can further understand the present invention, but it does not constitute a limitation on the rights thereof.

[0019] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred unit or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention.

[0020] Please refer to Figure 1-2A heavy-duty hydraulic cylinder flip vertical installation device adopts a pit installation form to realize vertical assembly by flipping and positioning, including a load beam 5 with two horizontal and vertical positions, and a flip mechanism for driving the load beam 5 to switch between the horizontal and vertical positions. The flip mechanism includes a head frame positioner 6 and a tail frame positioner 7 symmetrically arranged on the left and right sides of the load beam 5. The head frame positioner 6 adopts a motor gear to drive a gear slewing bearing, and the tail frame positioner 7 adopts a gearless slewing bearing for a non-powered mode. The load-bearing beam 5 is composed of a main frame formed by welding square steel pipes, on which guide rails, sensors 10, steel rulers, etc. are installed. The two sides of the load-bearing beam 5 are connected to the head frame positioner 6 and the tail frame positioner 7. The load-bearing beam 5 is installed with a cylinder head clamping unit 2, a rod head clamping unit 1, a cylinder body clamping unit 3 and a supporting tightening unit 4, wherein the cylinder head clamping unit 2 is used to clamp and fix the end of the cylinder barrel, the rod head clamping unit 1 is used to form a hinge with the free end of the piston rod, the cylinder body clamping unit 3 is used to cooperate with the cylinder head clamping unit 2 to completely fix the cylinder barrel, and the supporting tightening unit 4 is used to support the piston rod from below when the load-bearing beam 5 is in a horizontal position, and to rotate and tighten the cylinder cover on the cylinder barrel when the load-bearing beam 5 is in a vertical position.

[0021] Please refer to Figure 3 The cylinder head clamping unit 2 includes a base A22 and a chuck A13 mounted on the base A22. The axial direction of the chuck A13 is parallel to the extension direction of the guide rail on the load-bearing beam 5. The claws of the chuck A13 are configured to form a fixed fit with the outer peripheral surface of one end of the cylinder. Specifically, the chuck A13 is a three-jaw pneumatic chuck. The three claws of the chuck A13 are configured to form a line / surface contact with the outer peripheral surface of the cylinder to achieve a fixed fit with the outer peripheral surface of the cylinder; the chuck A13 is fixedly connected to a gear plate A14 on one side facing the base A22. The gear plate A14 is rotatably mounted on the base A22. The base A22 is provided with a drive motor A. The output end of the drive motor A is provided with a drive gear A that is transmission-connected to the gear plate A14. The drive motor A drives the chuck A13 to rotate to adjust the position of the claw A to avoid the position where the outer peripheral surface of the cylinder is inconvenient to clamp, without manually turning the cylinder.

[0022] Please refer to Figure 4The rod head clamping unit 1 is arranged on one side of the barrel head clamping unit 2, including a base B23 and a chuck B9 mounted on the base B23. The claws of the chuck B9 are configured to form a rotational fit with the radial through hole at one end of the piston rod, and the chuck A13 is arranged opposite to the chuck B9. Specifically, the chuck B9 is a two-jaw pneumatic chuck, and the two claws of the chuck B9 are fixedly provided with clamping protrusions 25 for clamping into the radial through holes at the end of the piston rod. The chuck B9 forms a rotational fit with the radial through holes at the end of the piston rod through the clamping protrusions 25; one side of the chuck B9 is coaxially fixedly connected with a gear plate B11, and the gear plate B11 is rotatably mounted on the base B23. A driving motor B that drives the gear plate B11 to rotate is installed on the base B23, and the output end of the driving motor B is provided with a driving gear B that meshes with the gear plate B11. A gear plate B11 is fixedly installed on the other side of the chuck B9. A sensor 10 for identifying the position of a radial through hole; a base B23 includes a fixed seat and a movable seat 24, wherein the fixed seat is slidably arranged on the load-bearing beam 5, and the movable seat 24 is arranged on one side of the fixed seat and connected to the chuck B9, and a two-degree-of-freedom servo adjustment mechanism 8 is provided on the fixed seat for driving the movable seat 24 to slide and adjust along the radial direction of the chuck B9, wherein the two-degree-of-freedom servo adjustment mechanism 8 is two mutually perpendicular guide rail slider mechanisms, wherein a slider in one guide rail slider mechanism is fixedly connected to a slide rail in another guide rail slider mechanism, and the two guide rail slider mechanisms are respectively connected to a power motor through a gear rack mechanism.

[0023] Please refer to Figure 5 The barrel clamping unit 3 is arranged between the barrel head clamping unit 2 and the rod head clamping unit 1, and includes a base C and a centering clamping mechanism 17 arranged on the base C. The upper surface of the base C is downwardly provided with a receiving groove C26 that cooperates with the cylinder barrel. The multiple clamping ends of the centering clamping mechanism 17 are all located on the inscribed circle coaxial with the chuck A13 and can extend into the receiving groove C26 to cooperate with the chuck A13 to clamp and fix the cylinder barrel; the receiving groove C26 is U-shaped, and the centering clamping mechanism 17 is a self-centering connecting rod mechanism driven by a driving motor C16.

[0024] Please refer to Figure 6The support and tightening unit 4 is arranged between the barrel clamping unit 3 and the rod head clamping unit 1, and includes a base D and a support frame installed on the base D. A swing block is rotatably installed on the top of the support frame. A receiving groove D27 cooperating with the piston rod or the cylinder head is opened on one side of the swing block toward the rotation center. The bottom of the receiving groove D27 is provided with a supporting surface for supporting the piston rod. A centering clamping mechanism 21 for clamping the cylinder head is provided on the swing blocks on both sides of the receiving groove D27. The centering clamping mechanism 21 includes two cylinders arranged opposite to each other and a clamping plate fixed at the output end of the cylinder; specifically, a lifting and adjusting mechanism 19 for adjusting the height of the support frame is installed on the base D, and the lifting and adjusting mechanism 19 is a lifting cylinder; a driving motor D for driving the swing block to swing back and forth is installed on the support frame, and a driving gear D is sleeved on the output end of the driving motor D, and an arc rack D20 connected to the driving gear D in transmission is fixed on the swing block.

[0025] Please refer to Figure 1-2 In the above structure, base A22, base B23, base C and base D are all slidably installed on the guide rail through sliders, and are respectively connected to power mechanisms, which can be linear mechanisms driven by common power sources in the field, such as screw-nut mechanisms, gear rack mechanisms, etc.

[0026] Please refer to Figure 1-6 A method for rotating and vertically assembling a heavy-duty hydraulic cylinder. This method uses the above-mentioned heavy-duty hydraulic cylinder rotating and vertically assembling equipment. Taking the assembly of a certain type of heavy-duty single-stroke hydraulic cylinder of this equipment as an example, the front end of the piston rod is a mounting through hole, the cylinder cover is placed in the middle and rear part, and the rear end is a piston. After the piston at the rear end of the piston rod is initially connected with the cylinder barrel, the piston rod should be vertically and slowly installed as a whole, and finally the threads between the cylinder cover and the cylinder barrel should be tightened. The specific steps are as follows: 1) Component installation: First, manually pre-control or manually adjust the position of each unit on the load-bearing beam 5 according to the product specifications and models; then the truss manipulator grabs the cylinder and places it on the rear end of the load-bearing beam 5, the cylinder head clamping unit 2 automatically adjusts the position to clamp the tail of the cylinder, the drive motor C16 of the cylinder body clamping unit 3 is started, and the clamping end of the centering clamping mechanism 17 clamps the front of the cylinder, and the two cooperate to fix the position of the cylinder; then the truss manipulator grabs the piston rod and places it on the front end of the load-bearing beam 5, the drive motor B of the rod head clamping unit 1 is started, and the chuck B9 drives the sensor 10 to rotate around the piston rod to identify the position of the through hole on its head, and then continues to adjust the angle so that the two claws on the chuck B9 are aligned with the hole position and complete the clamping; finally, the lifting cylinder supporting the tightening unit 4 is started, and the height of the supporting surface is adjusted to support the piston rod, and the horizontal positioning of the piston rod is completed in cooperation with the rod head clamping unit 1; 2) Horizontal docking: According to the product model, the two-degree-of-freedom servo adjustment mechanism 8 of the rod head clamping unit 1 and the lifting adjustment mechanism 19 of the support tightening unit 4 are started to fine-tune the piston rod to the set axis position (i.e., the cylinder axis position); the rod head clamping unit 1 and the support tightening unit 4 are displaced synchronously, so that the rear end of the piston rod (piston end) is inserted into the cylinder to complete the docking; 3) Turning and positioning: The head frame positioner 6 and the tail frame positioner 7 are started to drive the load beam 5 and all units on the cross beam to turn 90 degrees, and the load beam 5 is switched to the vertical position; 4) Vertical loading: The support tightening unit 4 is disengaged from the piston rod and adjusted to the front end of the cylinder to avoid interference with the stopper of the rod head clamping unit 1 during subsequent loading; the rod head clamping unit 1 moves down to load the piston rod into place. During the loading process, its two-degree-of-freedom servo adjustment mechanism 8 can adjust the position of the piston rod axis at any time according to the front-end feedback to ensure smooth loading. Specifically, during loading, if there is a deviation between the piston rod axis and the cylinder axis, an asymmetric resistance is formed between the piston rod and the cylinder body. The resistance is fed back to the power motor through the gear rack mechanism. The power motor drives the displacement adjustment of the chuck B9 according to the set algorithm to ensure that the piston rod and the cylinder are coaxial.

[0027] 5) Tightening of cylinder head: After the piston rod is loaded, the cylinder head reaches the front end of the cylinder barrel, the rod head clamping unit 1 releases the piston rod and moves up to make way, the support tightening unit 4 moves up to the cylinder head position, and the centering clamping mechanism 21 clamps the clamping and tightening area of ​​the cylinder head. After the drive motor D drives the swing block to rotate 120°, it is released and waited for it to reset, and it is clamped again after the swing block resets. This cycle is repeated several times until the cylinder head is tightened.

[0028] 6) Pick-up and transportation: The cylinder head clamping mechanism and the cylinder body clamping mechanism release their clamping, and the truss manipulator grabs the assembled hydraulic cylinder and transports it to the next process.

[0029] The rod head clamping unit 1 of the present invention is rotatably connected to the piston rod, which can convert the deadweight of the piston rod that hinders assembly in existing equipment into an assisting force for assisting the vertical centering of the piston rod during vertical loading; the supporting and tightening unit 4 integrates two major functions of support and tightening, which can not only support the piston rod in the horizontal position, but also rotate and tighten the cylinder head in the vertical position, thereby realizing functional diversification and high efficiency.

[0030] Obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Claims

1. A heavy-duty hydraulic cylinder rotary vertical installation device, characterized in that: It includes a load-bearing beam with two positions, horizontal and vertical, and a flipping mechanism for driving the load-bearing beam to switch between the horizontal and vertical positions, and the load-bearing beam is installed with: The cylinder head clamping unit comprises a base A and a chuck A mounted on the base A, wherein the claws of the chuck A are configured to form a fixed fit with the outer peripheral surface of one end of the cylinder; The rod head clamping unit is arranged at one side of the cylinder head clamping unit, and comprises a base B and a chuck B mounted on the base B, wherein the claws of the chuck B are configured to form a rotational fit with the radial through hole at one end of the piston rod, and the chuck A and the chuck B are arranged opposite to each other; The barrel clamping unit is arranged between the barrel head clamping unit and the rod head clamping unit, and includes a base C and a centering clamping mechanism arranged on the base C. The upper surface of the base C is downwardly provided with a receiving groove C that cooperates with the cylinder barrel. The multiple clamping ends of the centering clamping mechanism are all located on an inscribed circle coaxial with the chuck A and can extend into the receiving groove C to cooperate with the chuck A to clamp and fix the cylinder barrel; The support tightening unit is arranged between the barrel clamping unit and the rod head clamping unit, and includes a base D and a support frame installed on the base D. A swing block is rotatably installed on the top of the support frame. A receiving groove D that cooperates with the piston rod or the cylinder head is opened on one side of the swing block toward the rotation center. The bottom of the receiving groove D is provided with a supporting surface for supporting the piston rod. The swing blocks on both sides of the receiving groove D are provided with a centering clamping mechanism for clamping the cylinder head. The base B and the base D are both slidably installed on the load-bearing beam along the axial direction of the chuck A.

2. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 1 is characterized in that: The chuck A is specifically a three-jaw pneumatic chuck, and the three jaws of the chuck A are configured to form line / surface contact with the outer peripheral surface of the cylinder. The chuck A is rotatably mounted on a base A, and a drive motor A transmission-connected to the chuck A is provided on the base A.

3. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 1 is characterized in that: The chuck B is specifically a two-jaw pneumatic chuck, and both jaws of the chuck B are fixed with clamping protrusions for clamping into the radial through holes at the end of the piston rod. The chuck B forms a rotational fit with the radial through holes at the end of the piston rod through the clamping protrusions.

4. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 3 is characterized in that: The chuck B is rotatably mounted on the base B. A sensor for identifying the position of the radial through hole is fixedly mounted on the side of the chuck B facing the chuck A. A driving motor B connected to the chuck B in transmission is provided on the base B.

5. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 3 is characterized in that: The base B includes a fixed seat and a movable seat. The fixed seat is slidably arranged on the load-bearing beam. The movable seat is arranged on one side of the fixed seat and connected to the chuck B. A two-degree-of-freedom servo adjustment mechanism for driving the movable seat to slide and adjust along the radial direction of the chuck B is provided on the fixed seat.

6. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 1 is characterized in that: The accommodating groove C is U-shaped, and the centering clamping mechanism is a self-centering connecting rod mechanism driven by a driving motor C.

7. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 1 is characterized in that: The base D is provided with a lifting and adjusting mechanism for adjusting the height of the support frame.

8. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 1 is characterized in that: The accommodating groove D is U-shaped, and the supporting surface of the accommodating groove D is an arc surface. A driving motor D for driving the swing block to swing back and forth is installed on the support frame, and the output end of the driving motor D is transmission-connected to the swing block through a gear rack structure.

9. The heavy-duty hydraulic cylinder rotating vertical installation equipment according to claim 1 is characterized in that: A guide rail is fixedly installed on the load-bearing beam along its length direction. The base A, base B, base C and base D are all slidably installed on the guide rail through sliders and are respectively connected to power mechanisms.

10. A method for rotating and vertically installing a heavy-duty hydraulic cylinder, characterized in that: The method uses the heavy-duty hydraulic cylinder rotating vertical installation device described in any one of claims 1 to 9, and specifically comprises the following steps: 1) Component installation: The truss manipulator grabs the cylinder and places it at the rear end of the load-bearing beam, and clamps and fixes the cylinder through the cylinder head clamping unit and the cylinder body clamping unit; The truss manipulator grabs the piston rod and places it at the front end of the load-bearing beam, and positions the piston rod horizontally through the rod head clamping unit and the support tightening unit; 2) Horizontal docking: The rod head clamping unit and the support tightening unit move synchronously, so that the rear end of the piston rod enters the cylinder to complete the docking; 3) Flipping and positioning: The flipping mechanism drives the load-bearing beam to flip 90° and switch to the vertical position; 4) Vertical loading: The support tightening unit moves down to make way, and the rod head clamping unit moves down to load the piston rod into place; 5) Tightening the cylinder head: After the piston rod is loaded, the cylinder head reaches the front end of the cylinder barrel, the rod head clamping unit loosens the piston rod and moves up to make way, the support tightening unit moves to the cylinder head position, and the centering clamping mechanism cooperates with the swing block to reciprocate and tighten the cylinder head.

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