Large-size cabin section workpiece automatic sleeving system and method

Abstract

The application discloses a large-size cabin section workpiece automatic sleeving system and method, wherein a displacement mechanism is used as a power mechanism of the whole system, a rotary support is driven to rotate through a gear transmission mechanism driven by a servo motor, and a main rack is switched between a horizontal position and a vertical position. The main rack is provided with a lifting mechanism for supporting a cabin section workpiece, a movable head frame and a movable tail frame are driven to move axially through a servo motor and a screw mechanism. The movable head frame clamps the tail end tooling of the cabin section workpiece through a three-gripper chuck, hoisting and assembling of the cabin section workpiece in a vertical state is realized through a winch mechanism, and weight measurement of the cabin section workpiece in the vertical state is realized through a weighing sensor. The movable tail frame fixes a large end surface of a cabin section shell through a clamping jaw mechanism, and a small end surface of the cabin section shell is fixed through a sleeving mechanism. The application can quickly and efficiently realize automatic sleeving and assembling of the large-size cabin section workpiece and the conical cabin section shell, can reduce the labor intensity of operators, and can automatically detect the weight of the cabin section workpiece.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of large-size cabin section workpiece assembly, and particularly relates to a large-size cabin section workpiece automatic sleeving system and method. BACKGROUND

[0002] For the sleeving assembly process of large-size cabin section workpieces, the workshop travelling crane hoisting mode is generally adopted in China, and the spatial pose adjustment of the cabin section workpieces is completed by manual work, which has problems of great labor intensity, low work efficiency, poor assembly quality and the like; meanwhile, due to the large weight and large volume of the cabin section workpieces, the manual participation is high, and there are certain safety hazards in the assembly process. Therefore, it is urgent to propose an automatic sleeving system for large-size cabin section workpieces to reduce the labor intensity, improve the work efficiency and improve the automation level. SUMMARY

[0003] The application aims to solve the problems in the background art, and proposes a large-size cabin section workpiece automatic sleeving system and method.

[0004] In order to achieve the object of the application, the application discloses a large-size cabin section workpiece automatic sleeving system, which comprises a displacement mechanism driving side, a displacement mechanism driven side, a main rack, a moving head rack, a moving tail rack, a lifting mechanism and a control device; the displacement mechanism driving side and the displacement mechanism driven side are directly fixed on the ground; the main rack is connected with the slewing bearings on the displacement mechanism driving side and the displacement mechanism driven side through bearings; the moving head rack is connected with the guide rail on the main rack through a sliding block; the moving tail rack is connected with the guide rail on the main rack through a mounting base; the lifting mechanism is directly mounted on the main rack; and the control device is directly fixed on the ground near the automatic sleeving system.

[0005] Further, the displacement mechanism driving side comprises a shell base, a slewing bearing and a driving mechanism; the shell base is directly fixed on the ground, the slewing bearing and the driving mechanism are arranged in the shell base, and the driving mechanism drives the slewing bearing to rotate through a servo motor and a gear transmission mechanism.

[0006] Further, the displacement mechanism driven side comprises a shell base and a slewing bearing; the shell base is directly fixed on the ground, and the shell base is internally provided with the slewing bearing corresponding to the displacement mechanism driving side.

[0007] Further, the main frame comprises a base, a guide rail, a sliding block, a moving head frame driving motor, a moving head frame gear transmission mechanism, a moving head frame driving screw, a moving tail frame driving motor, a moving tail frame driving screw and a moving tail frame mounting base; the guide rail is installed on both sides of the base, and the upper sliding block is installed on the guide rail; the moving head frame driving motor drives the moving head frame gear transmission mechanism and the moving head frame driving screw to rotate, and drives the moving head frame to move on the main frame; the moving tail frame driving motor drives the moving tail frame driving screw to rotate, and drives the moving tail frame mounting base and the moving tail frame to move on the main frame.

[0008] Further, the moving head frame comprises a cabin section workpiece end face tool, a three-jaw chuck, a moving head frame shell, a hoisting mechanism driving motor, a hoisting mechanism speed reducer, a steel wire rope, a weighing sensor and a hook; the cabin section workpiece end face tool is fixed on the cabin section workpiece end face and is loaded simultaneously with the cabin section workpiece; the three-jaw chuck fixes the position of the cabin section workpiece by fixing the cabin section workpiece end face tool, so as to prevent the cabin section workpiece from moving during the movement of the main frame; the bottom of the moving head frame shell is connected with the guide rail of the main frame through the sliding block, and the middle part is connected with the moving head frame driving screw through a structural member; the hoisting mechanism driving motor drives the hoisting mechanism speed reducer to rotate, and tightens or loosens the steel wire rope; the hook is installed at the end of the steel wire rope, and is connected with the cabin section workpiece end face tool through the hook connection mode; the weighing sensor is installed on the end face of the moving head frame shell, and is used for automatically measuring the weight of the cabin section workpiece in the vertical state of the main frame.

[0009] Further, the moving tail frame comprises an end face limiting mechanism, a claw mechanism, a supporting mechanism, a sleeving mechanism, a moving tail frame driving motor, a moving tail frame driving screw and a moving tail frame driving guide rail; the end face limiting mechanism is installed with a sliding block, and is connected with the guide rail of the moving tail frame through the sliding block; the claw mechanism and the supporting mechanism are directly installed on the mechanical structure of the moving tail frame; the sleeving mechanism is connected with the moving tail frame through the guide rail; the end face limiting mechanism is driven by two left and right air cylinders, and is used for limiting the end face during the loading of the cabin section shell; the claw mechanism is used for fixing the large end face of the cabin section shell; the supporting mechanism is used for supporting the cabin section shell; the moving tail frame driving motor is used for driving the moving tail frame driving screw to rotate, moving along the moving tail frame driving guide rail, and driving the sleeving mechanism to move axially to surround and fix the small end face of the cabin section shell.

[0010] Further, the lifting mechanism comprises a lifting mechanism lifting motor, a lifting mechanism lifting machine, a lifting mechanism synchronous shaft, a lifting mechanism support tool, and a lifting mechanism manual wheel; the lifting motor drives the lifting machine to lift and drive the lifting mechanism support tool of the upper equipment to move up and down; the synchronous shaft is used to strengthen the stability during the lifting of the lifting machine and is directly fixed on the main frame; the lifting mechanism manual wheel is used to manually adjust the distance between the two sets of lifting mechanism support tools; and the lifting mechanism manual wheel is connected with the lifting mechanism through a screw rod mechanism.

[0011] In order to achieve the purpose of the present application, the present application further discloses a large-size cabin section workpiece automatic sleeving method, comprising the following steps:

[0012] Step 1: the driving side and the driven side of the displacement mechanism are not in action, the main frame is kept in a horizontal position, the moving head frame, the moving tail frame and the lifting mechanism are kept in the original position;

[0013] Step 2: the end of the cabin section workpiece is provided with a cabin section workpiece end face tool, is fed to the lifting mechanism, and the end of the cabin section workpiece end face tool is passed through the three-jaw chuck of the moving head frame and is directly connected with the hook of the moving head frame; the three-jaw chuck of the moving head frame clamps the cabin section workpiece end face tool;

[0014] Step 3: the end face limiting mechanism of the moving tail frame is raised, the cabin shell is hoisted to the support mechanism of the moving tail frame, and it is ensured that the large end face of the cabin shell is close to the end face limiting mechanism;

[0015] Step 4: the moving tail frame driving motor of the moving tail frame drives the moving tail frame driving screw rod to move, so that the sleeving mechanism moves along the moving tail frame driving guide rail and then the small end face of the cabin shell is sleeved; the claw mechanism of the moving tail frame moves to fix the large end face of the cabin shell;

[0016] Step 5: the end face limiting mechanism of the moving tail frame falls down to expose the large end face of the cabin shell; the moving head frame driving motor of the main frame drives the moving head frame gear transmission mechanism and the moving head frame driving screw rod to move, so that the moving head frame moves along the guide rail to the small end face part of the cabin section workpiece and enters the large end face of the cabin shell;

[0017] Step 6: the driving side and the driven side of the displacement mechanism start to move until the main frame is kept in a vertical position and stops;

[0018] Step 7: the three-jaw chuck of the moving head frame releases the cabin section workpiece end face tool so that the cabin section workpiece is in a free state; the weighing sensor completes the automatic weighing of the cabin section workpiece;

[0019] Step 8: the lifting mechanism descends to make the cabin section workpiece separate from the lifting mechanism;

[0020] Step 9, the control device controls the hoisting mechanism wire rope so that the cabin section workpiece gradually falls, and the cabin section workpiece is all fallen into the cabin section shell under the action of gravity of the cabin section workpiece, the operator disassembles the end face tooling of the cabin section workpiece, and completes the large end face of the cabin section workpiece and the inside of the cabin section shell;

[0021] Step 9, the control device controls the hoisting mechanism wire rope to shrink to the minimum position;

[0022] Step 10, the main frame returns to the horizontal position;

[0023] Step 11, the sleeving mechanism of the moving tail frame drags away the small end face of the cabin section shell, and the claw mechanism of the moving tail frame is actuated to release the large end face of the cabin section shell;

[0024] Step 12, the cabin section shell is discharged, and the sleeving process is completed.

[0025] Compared with the prior art, the significant progress of the present application is that: 1) the position changing mechanism of the present application realizes the overturning action of the main frame in the horizontal position and the vertical position through the servo motor driving gear traditional and rotary support mode, can bear larger axial, radial load and overturning moment, and is safer; 2) the moving head frame of the present application adopts the form of hoisting mechanism wire rope and relies on the gravity of the cabin section workpiece to solve the centering assembly of the cabin section workpiece and the cabin section shell, is flexible and efficient in assembly; 3) the moving tail frame of the present application adopts the sleeving mechanism to fix the small end face of the cabin section shell in the circumference, and fixes the large end face of the cabin section shell through the claw mechanism, thereby increasing the safety of the assembly process of the cabin section workpiece and the cabin section shell; 4) the moving head frame of the present application adopts the form of the weighing sensor to realize the automatic detection of the weight of the cabin section workpiece in the vertical state, and is more perfect in function.

[0026] To more clearly illustrate the functional characteristics and structural parameters of the present application, the following further illustrates in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0028] Figure 1 It is the overall structure schematic diagram of the sleeving system of the present application;

[0029] Figure 2 It is the structure schematic diagram of the driving side of the position changing mechanism in the present application;

[0030] Figure 3 It is the structure schematic diagram of the driven side of the position changing mechanism in the present application;

[0031] Figure 4 It is the structure schematic diagram of the main frame in the present application;

[0032] Figure 5 Structure diagram of the lifting mechanism in the application;

[0033] Figure 6 Structure diagram of the moving head frame in the application;

[0034] Figure 7 Structure diagram of the moving tail frame in the application;

[0035] Figure 8 Main working process diagram of the automatic large-size cabin section fitting method in the application.

[0036] The figure is marked as: 1-positron mechanism active side, 2-positron mechanism driven side, 3-main frame, 4-moving head frame, 5-moving tail frame, 6-lifting mechanism, 9-housing base, 10-rotary support, 11-driving mechanism, 12-base, 13-guide rail, 14-sliding block, 15-moving head frame driving motor, 16-moving head frame gear transmission mechanism, 17-moving head frame drive screw, 18-lifting mechanism lifting motor, 19-lifting mechanism, 20-lifting mechanism synchronous shaft, 21-lifting mechanism support tooling, 22-lifting mechanism manual wheel, 23-moving tail frame driving motor, 24-moving tail frame drive screw, 25-moving tail frame mounting base, 26-cabin section workpiece end face tooling, 27-three jaw chuck, 28-moving head frame housing, 29-winch mechanism driving motor, 30-winch mechanism reducer, 31-steel wire rope, 32-weighing sensor, 33-hook, 34-end face limiting mechanism, 35-claw mechanism, 36-supporting mechanism, 37-fitting mechanism, 38-moving tail frame driving motor, 39-moving tail frame drive screw, 40-moving tail frame driving guide rail, DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0038] In combination Figure 1 The large-size cabin section workpiece automatic fitting system of the application comprises a positron mechanism active side 1, a positron mechanism driven side 2, a main frame 3, a moving head frame 4, a moving tail frame 5, a lifting mechanism 6 and a control device.

[0039] The positron mechanism active side 1 and the positron mechanism driven side 2 are directly fixed on the ground, and are used to provide power for turning over the whole system from a horizontal position to a vertical position;

[0040] The main frame 3 is connected to the slewing bearings on the active side 1 and the driven side 2 of the positioning mechanism via bearings; the moving head frame 4 is connected to the guide rail on the main frame 3 via a slider; the moving tail 5 is connected to the guide rail on the main frame 3 via a mounting base; and the lifting mechanism 6 is directly mounted on the main frame 3.

[0041] Combination Figures 2-3 The active side 1 of the displacement mechanism and the driven side 2 of the displacement mechanism have similar structures; the housing base 9 is directly fixed on the ground to support the load of the entire system; the drive mechanism 11 drives the slewing bearing 10 to rotate through the servo motor and gear transmission mechanism, thereby driving the main frame 3 to move in the horizontal and vertical positions.

[0042] Combination Figure 4 The main frame 3 includes a base 12, a guide rail 13, a slider 14, a moving head frame drive motor 15, a moving head frame gear transmission mechanism 16, a moving head frame drive screw 17, a moving tail frame drive motor 23, a moving tail frame drive screw 24, and a moving tail frame mounting base 25. The drive motor 15 drives the moving head frame gear transmission mechanism 16 and the moving head frame drive screw 17 to rotate, thereby moving the moving head frame 4 on the main frame 3. The moving tail frame drive motor 23 drives the moving tail frame drive screw 24 to rotate, thereby moving the moving tail frame mounting base 25 and the moving tail frame 5 on the main frame 3.

[0043] Combination Figure 5 The lifting mechanism 6 includes a lifting motor 18, a lifting platform 19, a synchronous shaft 20, a support fixture 21, and manual wheels 22. The lifting motor 18 drives the lifting platform 19 to lift and lower, which in turn drives the upper support fixture 21 to move up and down. The synchronous shaft 20 is used to enhance the stability of the lifting platform 19 during the lifting process and is directly fixed to the main frame 3. The manual wheels 22 are used to manually adjust the distance between the two sets of lifting support fixtures 21.

[0044] Combination Figure 6, the mobile head frame 4 includes cabin segment workpiece end face tooling 26, three-jaw chuck 27, mobile head frame shell 28, hoist mechanism drive motor 29, hoist mechanism speed reducer 30, steel wire rope 31, load cell 32, hook 33; cabin segment workpiece end face tooling 26 is fixed on the cabin segment workpiece end face, and is loaded simultaneously with the cabin segment workpiece; three-jaw chuck 27 fixes cabin segment workpiece end face tooling 26 and then fixes the cabin segment workpiece position, to prevent the cabin segment workpiece from moving during the action of main frame 3; the bottom of mobile head frame shell 28 is connected with the guide rail 13 of main frame 3 through sliding block 14, and the middle is connected with mobile head frame drive lead screw 17 through structural member; hoist mechanism drive motor 29 drives hoist mechanism speed reducer 30 to rotate, and tightens or loosens the action of steel wire rope 31; the end of steel wire rope 31 is provided with hook 33, which is connected with cabin segment workpiece end face tooling 26 through hook connection form; load cell 32 is installed on the end face of mobile head frame shell 28, and is used for automatic measurement of the weight of cabin segment workpiece in the vertical state of main frame 3;

[0045] In combination Figure 7 , the mobile tail frame 5 includes end face limiting mechanism 34, claw mechanism 35, supporting mechanism 36, sleeving mechanism 37, mobile tail frame drive motor 38, mobile tail frame drive lead screw 39, and mobile tail frame drive guide rail 40; end face mechanism 34 is driven by left and right two air cylinders, and is used for limiting the end face during the loading of cabin segment shell; claw mechanism 35 is used for fixing the large end face of cabin segment shell; supporting mechanism 36 is used for supporting cabin segment shell; mobile tail frame drive motor 38 is used for driving mobile tail frame drive lead screw 39 to rotate, moving along mobile tail frame drive guide rail 40, and then driving axial movement of sleeving mechanism 37 to circumferentially surround and fix the small end face of cabin segment shell;

[0046] In combination Figure 8 A large-scale conical cabin segment workpiece automatic sleeving method, comprising the following steps:

[0047] Step 1, the driving side 1 of the displacement mechanism, the driven side 2 of the displacement mechanism, main frame 3, mobile head frame 4, mobile tail frame 5, and lifting mechanism 6 are kept in the original position;

[0048] Step 2, the end of the cabin segment workpiece is provided with cabin segment workpiece end face tooling 26, which is loaded onto lifting mechanism 6, and the end of cabin segment workpiece end face tooling 26 passes through three-jaw chuck 27 of mobile head frame 4, and the end hook of cabin segment workpiece end face tooling 26 is directly connected with hook 33 of mobile head frame 4; three-jaw chuck 27 of mobile head frame 4 clamps cabin segment workpiece end face tooling 26;

[0049] Step 3, end face limiting mechanism 34 of mobile tail frame 5 is lifted, cabin segment shell is hoisted onto supporting mechanism 36 of mobile tail frame 5, and the large end face of cabin segment shell is ensured to abut against end face limiting mechanism 34;

[0050] Step 4, the moving tailstock drive motor 38 of the moving tailstock 5 drives the moving tailstock drive screw 39 to act, so that the sleeve mechanism 37 acts along the moving tailstock drive rail 40, and then the sleeve mechanism 37 sleeves the small end face of the cabin section shell; the claw mechanism 35 of the moving tailstock 5 acts to fix the large end face of the cabin section shell;

[0051] Step 5, the end face limiting mechanism 34 of the moving tailstock 5 falls, exposing the large end face of the cabin section shell; the moving headstock drive motor 15 of the main rack 3 drives the moving headstock gear transmission mechanism 16 and the moving headstock drive screw 17 to act, so that the moving headstock 4 acts along the guide rail to the small end face part of the cabin section workpiece into the large end face of the cabin section shell;

[0052] Step 6, the driving side 1 and the driven side 2 of the displacement mechanism start to act until the main rack 3 stops at the vertical position;

[0053] Step 7, the three-jaw chuck 27 of the moving headstock 4 loosens the cabin section workpiece end face tooling 26 so that the cabin section workpiece is in a free state; the weighing sensor 32 completes the automatic weighing of the cabin section workpiece;

[0054] Step 8, the lifting mechanism 6 descends, so that the cabin section workpiece is separated from the lifting mechanism 6;

[0055] Step 9, control the wire rope 31 of the winch mechanism so that the cabin section workpiece gradually falls down, and the cabin section workpiece starts to sleeve the cabin section shell;

[0056] Step 10, under the action of the gravity of the cabin section workpiece, the cabin section workpiece falls into the cabin section shell, and the cabin section workpiece and the cabin section shell sleeve are completed;

[0057] Step 11, the operator disassembles the cabin section workpiece end face tooling 26 and completes the cabin section workpiece large end face and the inside of the cabin section shell;

[0058] Step 12, control the wire rope 31 of the winch mechanism to shrink to the minimum position;

[0059] Step 13, control the main rack 3 to return to the horizontal position;

[0060] Step 14, the sleeve mechanism 37 of the moving tailstock 5 pulls away the small end face of the cabin section shell, and the claw mechanism 35 of the moving tailstock 5 acts to loosen the large end face of the cabin section shell;

[0061] Step 15, the cabin section shell unloading is completed.

[0062] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0063] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, and it is intended that the scope of the application be limited solely by the scope of the appended claims and the equivalents thereof.

Claims

1. An automatic large size cabin section workpiece sleeving system, characterized in that, The device comprises a variable position mechanism driving side (1), a variable position mechanism driven side (2), a main frame (3), a moving head frame (4), a moving tail frame (5), a lifting mechanism (6), and a control device; the variable position mechanism driving side (1) and the variable position mechanism driven side (2) are directly fixed on the ground; the main frame (3) is connected with the rotary support on the variable position mechanism driving side (1) and the variable position mechanism driven side (2) through bearings respectively; the moving head frame (4) is connected with the guide rail on the main frame (3) through a sliding block; the moving tail frame (5) is connected with the guide rail on the main frame (3) through a mounting base; the lifting mechanism (6) is directly mounted on the main frame (3); the control device is directly fixed on the ground near the automatic packaging system; The moving head frame (4) comprises a cabin section workpiece end face tool (26), a three-jaw chuck (27), a moving head frame shell (28), a hoisting mechanism driving motor (29), a hoisting mechanism speed reducer (30), a steel wire rope (31), a weighing sensor (32), and a hook (33); the cabin section workpiece end face tool (26) is fixed on the cabin section workpiece end face and is loaded simultaneously with the cabin section workpiece; the three-jaw chuck (27) fixes the position of the cabin section workpiece by fixing the cabin section workpiece end face tool (26), so as to prevent the cabin section workpiece from moving during the movement of the main frame (3); the bottom of the moving head frame shell (28) is connected with the guide rail (13) of the main frame (3) through a sliding block (14), and the middle part is connected with the moving head frame driving lead screw (17) through a structural member; the hoisting mechanism driving motor (29) drives the hoisting mechanism speed reducer (30) to rotate, so as to tighten or loosen the steel wire rope (31); the hook (33) is installed at the end of the steel wire rope (31) and is connected with the cabin section workpiece end face tool (26) through a hook connection mode; the weighing sensor (32) is installed on the end face of the moving head frame shell (28) and is used for automatically measuring the weight of the cabin section workpiece in the vertical state of the main frame (3). The mobile tail frame (5) comprises an end face limiting mechanism (34), a claw mechanism (35), a supporting mechanism (36), a sleeving mechanism (37), a mobile tail frame driving motor (38), a mobile tail frame driving lead screw (39), and a mobile tail frame driving guide rail (40); the end face limiting mechanism (34) is installed with a sliding block (14) connected with the guide rail (13) of the mobile tail frame (5) through the sliding block (14), and the end face limiting mechanism (34) is driven by a cylinder to move up and down on the guide rail (13); the claw mechanism (35) and the supporting mechanism (36) are directly installed on the mechanical structure of the mobile tail frame (5); the sleeving mechanism (37) is connected with the mobile tail frame (5) through a guide rail; the end face limiting mechanism (34) is driven by two left and right cylinders and is used for limiting the end face when loading the cabin section shell; the claw mechanism (35) is used for fixing the large end face of the cabin section shell; the supporting mechanism (36) is used for supporting the cabin section shell; the mobile tail frame driving motor (38) is used for driving the mobile tail frame driving lead screw (39) to rotate, moving along the mobile tail frame driving guide rail (40), and further driving the sleeving mechanism (37) to move axially to encircle and fix the small end face of the cabin section shell.

2. The automatic dunnage system of claim 1, wherein, The driving side (1) of the displacement mechanism comprises a shell base (9), a slewing bearing (10) and a driving mechanism (11); the shell base (9) is directly fixed on the ground, the slewing bearing (10) and the driving mechanism (11) are arranged in the shell base (9), and the driving mechanism (11) drives the slewing bearing (10) to rotate through a servo motor and a gear transmission mechanism.

3. The automatic dunnage system of claim 2, wherein, The driven side (2) of the displacement mechanism comprises a shell base (9) and a slewing bearing (10); the shell base (9) is directly fixed on the ground, and the shell base (9) is internally provided with the slewing bearing (10) corresponding to the driving side (1) of the displacement mechanism.

4. The automatic dunnage system of claim 1, wherein, The main frame (3) comprises a base (12), a guide rail (13), a sliding block (14), a mobile head frame driving motor (15), a mobile head frame gear transmission mechanism (16), a mobile head frame driving lead screw (17), a mobile tail frame driving motor (23), a mobile tail frame driving lead screw (24) and a mobile tail frame mounting base (25); the guide rail (13) is installed on both sides of the base (12), and the upper sliding block (14) is installed on the guide rail (13); the mobile head frame driving motor (15) drives the mobile head frame gear transmission mechanism (16) and the mobile head frame driving lead screw (17) to rotate, and drives the mobile head frame (4) to move on the main frame (3); the mobile tail frame driving motor (23) drives the mobile tail frame driving lead screw (24) to rotate, and drives the mobile tail frame mounting base (25) and the mobile tail frame (5) to move on the main frame (3).

5. The automatic dunnage system of claim 1, wherein, The lifting mechanism (6) comprises a lifting mechanism lifting motor (18), a lifting mechanism lifting machine (19), a lifting mechanism synchronous shaft (20), a lifting mechanism support tool (21), a lifting mechanism manual wheel (22); the lifting motor (18) drives the lifting machine (19) to lift, drives the lifting mechanism support tool (21) on the upper part to move up and down; the synchronous shaft (20) is used to strengthen the stability of the lifting machine (19) during lifting, and is directly fixed on the main frame (3); the lifting mechanism manual wheel (22) is used to manually adjust the distance between the two sets of lifting mechanism support tools (21); the lifting mechanism manual wheel (22) is connected with the lifting mechanism (6) through a screw rod mechanism.

6. An automatic wrapping method of large-size cabin section workpieces, based on an automatic wrapping system of large-size cabin section workpieces according to any one of claims 1-5, characterized in that, The method comprises the following steps: Step 1, the driving side (1) and the driven side (2) of the displacement mechanism are not in action, the main frame (3) is kept in a horizontal position, the moving head frame (4), the moving tail frame (5) and the lifting mechanism (6) are kept in the original position; Step 2, the end of the cabin section workpiece is provided with a cabin section workpiece end face tool (26), the cabin section workpiece end face tool (26) is loaded onto the lifting mechanism (6), the end of the cabin section workpiece end face tool (26) passes through the three-jaw chuck (27) of the moving head frame (4), and the end hook of the cabin section workpiece end face tool (26) is directly connected with the hook (33) of the moving head frame (4); the three-jaw chuck (27) of the moving head frame (4) clamps the cabin section workpiece end face tool (26); Step 3, the end face limiting mechanism (34) of the moving tail frame (5) is lifted, the cabin section shell is hoisted to the supporting mechanism (36) of the moving tail frame (5), and the large end face of the cabin section shell is ensured to abut against the end face limiting mechanism (34); Step 4, the moving tail frame drive motor (38) of the moving tail frame (5) drives the moving tail frame drive screw rod (39) to move, so that the sleeving mechanism (37) moves along the moving tail frame drive guide rail (40), and then the sleeving mechanism (37) sleeves the small end face of the cabin section shell; the claw mechanism (35) of the moving tail frame (5) moves to fix the large end face of the cabin section shell; Step 5, the end face limiting mechanism (34) of the moving tail frame (5) falls down, exposing the large end face of the cabin section shell; the moving head frame drive motor (15) of the main frame (3) drives the moving head frame gear transmission mechanism (16) and the moving head frame drive screw rod (17) to move, so that the moving head frame (4) moves along the guide rail to the small end face part of the cabin section workpiece and enters the large end face of the cabin section shell; Step 6, the driving side (1) and the driven side (2) of the displacement mechanism start to move until the main frame (3) is kept in a vertical position and stops; Step 7, the three-jaw chuck (27) of the moving head frame (4) releases the cabin section workpiece end face tool (26), so that the cabin section workpiece is in a free state; the weighing sensor (32) completes the automatic weighing of the cabin section workpiece; Step 8, the lifting mechanism (6) descends, so that the cabin section workpiece is separated from the lifting mechanism (6); Step 9, the control device controls the hoisting mechanism wire rope (31) so that the cabin section workpiece gradually falls, under the action of the cabin section workpiece gravity, the cabin section workpiece falls into the cabin section shell inside, the operator disassembles the cabin section workpiece end face tooling (26), and completes the cabin section workpiece large end face and the cabin section shell inside; Step 9, the control device controls the hoisting mechanism wire rope (31) to shrink to the minimum position; Step 10, the main frame (3) returns to the horizontal position; Step 11, the moving tail frame (5) sets the mechanism (37) and drags the small end face of the cabin section shell, and the jaw mechanism (35) of the moving tail frame (5) acts to loosen the large end face of the cabin section shell; Step 12, the cabin section shell is discharged, and the wrapping process is completed.

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