Full-turning type working platform and using method

Abstract

The invention belongs to the technical field of aircraft manufacturing, and particularly relates to a full-turning type working platform and a using method thereof.The full-turning type working platform is characterized in that the inner side face of a turning platform body is attached to the outer side face of a fixed platform matched with the turning platform body, and the upper surface of the turning platform body is flush with the upper surface of the fixed platform; the guardrail base assemblies are sequentially arranged and fixed to the side, away from the fixed platform, of the upper surface of the overturning platform body, and the guardrail assemblies are installed on the guardrail base assemblies through shaft pins. The turnover mechanism is fixed to the end face of the fixed platform through a fixed support and fixedly connected with the bottom of the turnover platform body. The supporting mechanism is fixed to the outer side face of the fixed platform and below the overturning platform body and attached to the end face of a stand column at the bottom of the overturning platform body to support the overturning platform body. The guardrail assembly can be locked after rotating around a shaft pin of the guardrail seat assembly to be attached to the upper surface of the turnover platform body after primary contraction, and the turnover mechanism can drive the turnover platform body and the retracted guardrail assembly to be turned over together.

Description

Technical Field

[0001] The invention belongs to the technical field of aircraft manufacturing, and in particular relates to a full-flip working platform and a use method thereof. Background Art

[0002] The work platform is one of the important process equipment in the aircraft assembly process. Operators complete the manufacturing and assembly of most aircraft parts on the work platform. The aircraft main lifting jig work platform is used to fix and accurately position the product. After the product is positioned on it, the robot hole making system needs to digitally make holes on the product on one side of the main lifting jig work platform. At this time, the hole making area must be open to ensure that the robot arm has no obstacles in the working space; after the digital hole making is completed, three to four operators are required to stand on the same side of the work platform to manually make holes in places that are inaccessible to the robot hole making. At this time, the operating side of the main lifting jig work platform needs to be extended for standing operators. The existing solution is to use a segmented movable platform. When needed, the movable platform is manually transported to the work platform in blocks and spliced ​​and installed. When not needed, the platform is dismantled piece by piece and manually moved away from the work area. The main lifting jig work platform is relatively high, and the entire transportation and disassembly process is time-consuming and labor-intensive, parts are easily lost, and there are potential safety hazards for personnel.

[0003] In view of the above situation, it is necessary to design a safe, fast and efficient flip platform to adapt to different working conditions, improve work efficiency, reduce labor intensity and ensure on-site production safety. When the robot is drilling holes, the flip platform flips down to reserve enough avoidance space for the robot to drill holes; when the hole is drilled manually, the flip platform can be flipped up to ensure that the operator can work on it. Summary of the invention

[0004] The purpose of the present application is to provide a fully flip work platform and a method of using it.

[0005] In order to achieve the above objectives, this application adopts the following technical solutions:

[0006] A fully flip work platform, comprising: a flip platform body, a guardrail assembly, N groups of guardrail seat assemblies, a flip mechanism, and a support mechanism;

[0007] The inner side of the flip platform body is in contact with the outer side of the fixed platform working in cooperation with it, and the upper surface of the flip platform body is flush with the upper surface of the fixed platform;

[0008] The guardrail seat assembly is arranged and fixed on the upper surface of the flip platform body away from the fixed platform side, and the guardrail assembly is installed on the guardrail seat assembly through an axle pin;

[0009] The turning mechanism is fixed to the end surface of the fixed platform through a fixed support and is fixedly connected to the bottom of the turning platform body;

[0010] The supporting mechanism is fixed on the outer side of the fixed platform and below the main body of the flip platform, and is fitted with the end face of the column at the bottom of the main body of the flip platform, thus playing a supporting role for the main body of the flip platform;

[0011] After the guardrail assembly is retracted at the first level, it can be rotated around the axle pin of the guardrail seat assembly until it fits with the upper surface of the flip platform body and is locked. The flip mechanism can drive the flip platform body and the retracted guardrail assembly to flip together.

[0012] Furthermore, the flip platform body includes: a cover plate, a platform frame and an array of columns. The platform frame is a truss structure. The cover plate is flatly fixed on the upper surface of the platform frame, and the array of columns is fixed in sequence on the outer side of the bottom of the platform frame.

[0013] Furthermore, the guardrail assembly includes two groups of end guardrails and an array of middle guardrails. The array of middle guardrails are arranged in sequence along the outer side surface of the flip platform body, and the end guardrails are arranged at both ends of the middle guardrails.

[0014] Further, the guardrails at both ends are fixed to the outermost ends of the main body of the flip platform, and are composed of a crossbeam assembly, three column assemblies, an upper guardrail, a lower guardrail, a protective net, a reset indexing pin, a quick-release pin and fasteners;

[0015] The column assembly can be retracted in one stage, and the height after retraction is less than or equal to the width of the flip platform;

[0016] There are two rows of through holes at the bottom of the column assembly, with an upper guard bar and a lower guard bar on the outside. The guard bar is connected to the beam assembly by an axle pin, can rotate around the axle pin, and is locked by a quick-release pin. Insertion holes at different positions of the quick-release pin are provided on the beam assembly, and an avoidance groove for the upper guard bar is provided on the uppermost beam.

[0017] Furthermore, the middle guardrail is fixed between the two sets of end guardrails and consists of three column assemblies, a protective net, a reset indexing pin and fasteners. The column assembly can be retracted in one stage, and the height after retraction is less than or equal to the width of the flip platform. Two rows of through holes are provided at the bottom of the column assembly, and it can be flipped around the bottom row of through holes.

[0018] Further, the guardrail seat assembly includes three sets of connecting short plates, a bent long plate, three sets of slot seats, a locking plate, a plum handle screw, two quick release pins, three pins and three sets of fasteners;

[0019] The bent long plate is vertically fixed on the outermost side of the upper surface of the cover plate, and a through hole is opened at the position corresponding to the middle axis of the lower end of the three column assemblies. Three sets of connecting short plates are evenly distributed at the openings on the outer side of the bent long plate, with the upper end flush with the upper end of the bent long plate, and the lower half fixed on the main body of the flip platform;

[0020] Three groups of slot seats are arranged in sequence at the openings of the bent long plate, with the back side fitting against the inner side of the bent long plate and the lower end fixed on the cover plate;

[0021] Three groups of through holes are arranged on the two vertical surfaces of the grooved seats on both sides. The three groups of through holes are arranged in an equilateral right triangle. The through holes at the vertices of the equilateral right triangle are used to insert the pins used to connect the guardrail column components, and the other two groups of through holes are used to insert quick-release pins for fixing and locking the horizontal and vertical positions;

[0022] A row of through holes is arranged on the two vertical surfaces of the middle groove seat for inserting the pins used for connecting the guardrail column assembly;

[0023] Three sets of fasteners pass through the connecting short plate and the bent long plate in sequence, and their end faces are in contact with the outer surface of the guardrail column to control the inclination of the guardrail to the outside;

[0024] A through hole is provided at one end of the locking plate to pass through the middle column, and a threaded hole is provided at the other end to screw in a plum handle screw. Tightening the plum handle screw can make the lower end of the locking plate pressed against the cover plate to control the inward inclination of the guardrail. A fastener passing through the middle column is provided above the locking plate to limit the axial position of the locking plate.

[0025] Furthermore, the flip mechanism is composed of a hand wheel, a commutator, several couplings, a reducer connecting shaft, a reducer, a flip shaft, several support assemblies, several flip connecting pieces, a connecting bracket and a connecting key;

[0026] The hand wheel, commutator and reducer are arranged on one side of the full-tilt working platform and fixed on the fixed platform through a connecting bracket;

[0027] Several support assemblies are evenly fixed on the side of the fixed platform along the length direction of the flip platform body. The flip connector is installed between the two support plates of the support assembly, and its upper end is connected to the flip platform body through a fastener. The flip shaft runs through all the support assemblies and the flip connector. Shaking the hand wheel can drive the flip shaft to rotate, and then drive the flip connector to rotate, thereby driving the flip platform body to rotate.

[0028] Furthermore, the support mechanism includes a handwheel assembly, a fixed support assembly, a speed reduction and reversing assembly, a connecting rod assembly, and a support beam assembly;

[0029] The handwheel assembly and the speed reduction reversing assembly are fixed on the fixed platform and on the same side as the handwheel of the turning mechanism;

[0030] The support beam assembly is evenly arranged on the bottom surface of the flip platform body through the fixed support along the length direction of the platform, and the support plate at the front end is fitted with the end surface of the column at the bottom of the flip platform body to support the flip platform body. The support beam assembly can rotate around the axis on the fixed support;

[0031] The connecting rod assembly is in a broken line shape and is connected between two groups of supporting beam assemblies through fasteners.

[0032] A method for using a fully flip work platform, specifically comprising the following contents:

[0033] When the fully tiltable working platform is not in use:

[0034] Step 1. Pull out the quick release pin of the upper guard bar, turn the upper guard bar around the axis pin into the avoidance groove of the upper crossbeam, and then insert the quick release pin to lock it. Pull out the quick release pin of the lower guard bar, rotate the lower guard bar around the axis pin downward to be parallel to the column assembly, and then insert the quick release pin to lock it;

[0035] Step 2. Pull out the reset indexing pins on all guardrail post assemblies and retract all guardrails in one level in turn;

[0036] Step 3. Pull out the quick-release pin on the guardrail seat assembly, turn the retracted guardrail around the axis pin until it is parallel to the flip platform body, and insert the quick-release pin to lock it;

[0037] Step 4. Shake the hand wheel of the support mechanism, and the support beam assembly is driven by the connecting rod assembly to separate from the column of the flip platform body, and finally the support mechanism is retracted to the outer side close to the fixed platform;

[0038] Step 5. Shake the hand wheel of the flipping mechanism to flip the flipping platform body and the guardrail assembly thereon to close to the outer side of the fixed platform, thus completing the full flipping task of the entire flipping platform;

[0039] When using the full-tilt work platform, follow steps 1 to 5 in reverse order.

[0040] Beneficial effects: This application provides a fully flip work platform and a method of use. This application uses various combinations of axle pins, indexing pins and quick-release pins to realize the fully flippable structure of the platform, guardrail and guardrail, and uses the combination of locking plates, long plates, short plates, slot seats and fasteners on the guardrail seat assembly to achieve the stability and reliability of the retractable guardrail during work. The device is suitable for various working conditions on site, safe, fast, efficient, and time-saving, greatly improving work efficiency, reducing labor intensity, and ensuring on-site production safety. It can be directly promoted to the technical field of aircraft work platforms of different sizes and types in the aviation manufacturing industry.

[0041] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 A fully flip working platform working state;

[0043] Figure 2 A fully flip work platform in a retracted state;

[0044] Figure 3 Schematic diagram of the flip platform body;

[0045] Figure 4 Schematic diagram of guardrail components;

[0046] Figure 5 Schematic diagram of guardrail seat assembly;

[0047] Figure 6 Schematic diagram of the connection between the guardrail seat assembly and the guardrail

[0048] Figure 7 Schematic diagram of the flipping mechanism;

[0049] Figure 8 Schematic diagram of the support mechanism;

[0050] Explanation of the numbers in the figure: 1 flip platform body; 2 guardrail assembly; 3 guardrail seat assembly; 4 flip mechanism; 5 support mechanism; 6 fixed platform; 1-1 cover plate; 1-2 platform frame; 1-3 column; 2-1 end guardrail; 2-2 middle guardrail; 2-1-1 beam assembly; 2-1-2 column assembly; 2-1-3 upper guardrail; 2-1-4 lower guardrail; 2-1-5 protection net; 2-1-6 reset indexing pin; 2-1-7 quick release pin; 2-1-8 fastener; 2-2-1 beam assembly; 2-2-2 column assembly; 2-2-5 protection net; 2-2-6 reset indexing pin 1. Degree pin; 2-2-8 fastener; 3-1 connecting short plate; 3-2 bending long plate; 3-3 slotted seat; 3-4 locking plate; 3-5 plum handle screw; 3-6 quick release pin; 3-7 connecting pin shaft; 3-8 fastener; 4-1 handwheel; 4-2 commutator; 4-3 coupling; 4-4 reducer connecting shaft; 4-5 reducer; 4-6 flip shaft; 4-7 support assembly; 4-8 flip connector; 4-9 connecting bracket; 4-10 connecting key; 5-1 handwheel; 5-2 fixed support assembly; 5-3 reduction and reversing assembly; 5-4 connecting rod assembly; 5-5 support beam assembly. DETAILED DESCRIPTION

[0051] See also Figure 1 , Figure 2 A fully flip working platform comprises: a flip platform body 1, a guardrail assembly 2, N groups of guardrail seat assemblies 3, a flip mechanism 4 and a supporting mechanism 5.

[0052] The inner side surface of the flip platform body 1 is in contact with the outer side surface of the fixed platform 6 that cooperates with it, and its upper surface is flush with the upper surface of the fixed platform 6;

[0053] The guardrail seat assembly 3 is arranged and fixed on the upper surface of the flip platform body 1 away from the fixed platform side, and the guardrail assembly 2 is installed on the guardrail seat assembly 3 through an axle pin;

[0054] The turning mechanism 4 is fixed to the end surface of the fixed platform 6 through a fixed support, and is fixedly connected to the bottom of the turning platform body 1;

[0055] The support mechanism 5 is fixed to the outer side of the fixed platform 6 and below the flip platform body 1, and is in contact with the end faces of the columns 1-3 at the bottom of the flip platform body 1, thereby supporting the flip platform body 1;

[0056] The guardrail assembly 2 can be retracted at the first level and then rotated around the axle pin of the guardrail seat assembly 3 until it fits with the upper surface of the flip platform body 1 and is locked. The flip mechanism 4 can drive the flip platform body 1 and the retracted guardrail assembly 2 to flip together.

[0057] See also Figure 3 The flip platform body 1 includes a cover plate 1-1, a platform frame 1-2 and array columns 1-3. The platform frame 1-2 is a truss structure. The cover plate 1-1 is flatly fixed on the upper surface of the platform frame 1-2, and the array columns 1-3 are fixed in sequence to the outermost side of the bottom of the platform frame 1-2.

[0058] See also Figure 4 The guardrail assembly 2 includes two groups of end guardrails 2-1 and an array of middle guardrails 2-2. The array of middle guardrails 2-2 are arranged in sequence along the outer side surface of the flip platform body, and the end guardrails 2-1 are set at both ends of the middle guardrails.

[0059] See also Figure 4 The two sets of end guardrails 2-1 are fixed at the two ends of the outermost side of the flip platform body 1, and are composed of a crossbeam assembly 2-1-1, three column assemblies 2-1-2, an upper guardrail 2-1-3, a lower guardrail 2-1-4, a protective net 2-1-5, a reset indexing pin 2-1-6, a quick release pin 2-1-7 and a fastener 2-1-8;

[0060] The column assembly 2-1-2 can be retracted in one stage, and the height after retraction is less than or equal to the width of the flip platform body 1;

[0061] Two rows of through holes are arranged at the bottom of the column assembly 2-1-2, and an upper guard bar 2-1-3 and a lower guard bar 2-1-4 are arranged on the outer side. The guard bar is connected to the beam assembly by an axle pin, can rotate around the axle pin, and is locked by a quick release pin 2-1-7. Insertion holes at different positions of the quick release pin 2-1-7 are arranged on the beam assembly 2-1-1, and an avoidance groove for the upper guard bar 2-1-3 is arranged on the uppermost beam.

[0062] See also Figure 4The middle guardrail 2-2 is fixed between the two groups of end guardrails 2-1, and is composed of a crossbeam assembly 2-2-1, three column assemblies 2-2-2, a protective net 2-2-5, a reset indexing pin 2-2-6 and a fastener 2-2-8. The protective net 2-2-5 is fixed to the lower end of the column assembly. The column assembly 2-2-2 can be retracted in one stage, and the height after retraction is less than or equal to the width of the flip platform body 1. Two rows of through holes are provided at the bottom of the column assembly 2-2-2, and it can be flipped around the bottom row of through holes.

[0063] See also Figure 5 , Figure 6 The guardrail seat assembly 3 includes three sets of connecting short plates 3-1, a bent long plate 3-2, three sets of slot seats 3-3, a locking plate 3-4, a plum handle screw 3-5, two quick-release pins 3-6, three pin shafts 3-7 and three sets of fasteners 3-8;

[0064] The bent long plate 3-2 is vertically fixed to the outermost side of the upper surface of the cover plate 1-1, and a through hole is opened at a position corresponding to the middle axis of the lower end of the three column components 2-1-2. The three groups of connecting short plates 3-1 are evenly distributed at the openings on the outer side of the bent long plate 3-2, and the upper end is flush with the upper end of the bent long plate 3-2, and the lower half is fixed on the flip platform body 1;

[0065] Three groups of slot seats 3-3 are arranged in sequence at the openings of the bent long plate 3-2, with the back side fitting against the inner side of the bent long plate 3-2 and the lower end fixed on the cover plate 1-1;

[0066] Three groups of through holes are arranged on the two vertical surfaces of the grooved seats 3-3 on both sides, and the three groups of through holes are arranged in an equilateral right triangle. The through holes at the vertices of the equilateral right triangle are used to insert the pins used to connect the guardrail column components 2-1-2 / 2-2-1, and the other two groups of through holes are used to insert quick-release pins for fixing and locking the horizontal and vertical positions;

[0067] A row of through holes is arranged on the two vertical surfaces of the middle slot-shaped seat 3-3 for inserting the pins used to connect the guardrail column assembly 2-1-2 / 2-2-1;

[0068] Three sets of fasteners 3-8 pass through the connecting short plate 3-1 and the bent long plate 3-2 in sequence, and their end faces are in contact with the outer surface of the guardrail column to control the inclination of the guardrail to the outside;

[0069] A through hole is provided at one end of the locking plate 3-4 to pass through the middle column, and a threaded hole is provided at the other end to screw in a plum handle screw 3-5. Tightening the plum handle screw 3-5 can make its lower end pressed against the cover plate 1-1 to control the inward inclination of the guardrail. A fastener 3-8 is provided above the locking plate 3-4 to pass through the middle column and to limit the axial position of the locking plate.

[0070] See also Figure 7The flip mechanism 4 is composed of a hand wheel 4-1, a commutator 4-2, several couplings 4-3, a reducer connecting shaft 4-4, a reducer 4-5, a flip shaft 4-6, several support assemblies 4-7, several flip connecting pieces 4-8, a connecting bracket 4-9 and a connecting key 4-10;

[0071] The hand wheel 4-1, the commutator 4-2 and the reducer 4-5 are arranged on one side of the full-turn working platform and fixed on the fixed platform 6 through the connecting bracket 4-9;

[0072] Several support assemblies 4-7 are evenly fixed on the side of the fixed platform 6 along the length direction of the flip platform body 1. The flip connector 4-8 is installed between the two support plates of the support assembly 4-7, and its upper end is connected to the flip platform body 1 through a fastener 4-10. The flip shaft 4-6 runs through all the support assemblies 4-7 and the flip connector 4-8. Shaking the hand wheel 4-1 can drive the flip shaft 4-6 to rotate, and then drive the flip connector 4-8 to rotate, thereby driving the flip platform body 1 to rotate.

[0073] See also Figure 8 , the support mechanism 5 includes a hand wheel 5-1, a fixed support assembly 5-2, a speed reduction reversing assembly 5-3, several connecting rod assemblies 5-4, and a support beam assembly 5-5;

[0074] The handwheel 5-1 and the speed reduction reversing assembly 5-3 are fixed on the fixed platform 6 on the same side as the handwheel 4-1 of the turning mechanism;

[0075] The support beam assembly 5-5 is evenly arranged on the bottom surface of the flip platform body 1 through the fixed support assembly 5-2 along the length direction of the platform, and the support plate 5-5-1 at the front end thereof fits with the lower end surface of the column 1-3 at the bottom of the flip platform body 1 to support the flip platform body 1, and can rotate around the axis on the fixed support assembly 5-2;

[0076] The connecting rod assembly 5-4 is in a broken line shape, which can effectively avoid the dead point of the force arm, and is connected between the two groups of support beam assemblies 5-5 through fasteners.

[0077] The method of using the full-flip work platform specifically includes the following contents:

[0078] When the fully tiltable working platform is not in use:

[0079] Step 1. Pull out the quick release pin 2-1-7 of the upper guard bar 2-1-3, turn the upper guard bar 2-1-3 around the axis pin into the avoidance groove of the upper crossbeam, insert the quick release pin 2-1-7 to lock it, pull out the quick release pin 2-1-7 of the lower guard bar 2-1-4, rotate the lower guard bar 2-1-4 around the axis pin downward to be parallel to the column assembly 2-1-2, and insert the quick release pin 2-1-7 to lock it;

[0080] Step 2. Pull out the reset indexing pins 2-1-6 / 2-2-6 on all guardrail post assemblies 2-1-2 / 2-2-2, and retract all guardrails in one level in turn;

[0081] Step 3. Pull out the quick release pin 3-6 on the guardrail seat assembly 3, turn the retracted guardrail around the axis pin until it is parallel to the flip platform body 1, and insert the quick release pin 3-6 to lock it;

[0082] Step 4. Shake the hand wheel 5-1 of the support mechanism 5, and the support beam assembly 5-5 is driven by the connecting rod assembly 5-4 to separate from the column 1-3 of the flip platform body 1, and finally the support mechanism 5 is retracted to the outer side close to the fixed platform 6;

[0083] Step 5. Shake the hand wheel 4-1 of the flip mechanism 4 to flip the flip platform body 1 and the guardrail assembly 2 thereon to close to the outer side of the fixed platform 6, thus completing the full flipping task of the entire flip platform;

[0084] When using the full-tilt work platform, follow steps 1 to 5 in reverse order.

Claims

1. A fully flip working platform, characterized in that , including: a flip platform body, a guardrail assembly, N groups of guardrail seat assemblies, a flip mechanism, and a support mechanism; The inner side of the flip platform body is in contact with the outer side of the fixed platform working in cooperation with it, and the upper surface of the flip platform body is flush with the upper surface of the fixed platform; The guardrail seat assembly is arranged and fixed on the upper surface of the flip platform body away from the fixed platform side, and the guardrail assembly is installed on the guardrail seat assembly through an axle pin; The turning mechanism is fixed to the end surface of the fixed platform through a fixed support and is fixedly connected to the bottom of the turning platform body; The supporting mechanism is fixed on the outer side of the fixed platform and below the main body of the flip platform, and is fitted with the end face of the column at the bottom of the main body of the flip platform, thus playing a supporting role for the main body of the flip platform; After the guardrail assembly is retracted at the first level, it can be rotated around the axle pin of the guardrail seat assembly until it fits with the upper surface of the flip platform body and is locked. The flip mechanism can drive the flip platform body and the retracted guardrail assembly to flip together.

2. A fully flip work platform according to claim 1, characterized in that: The flip platform body comprises: a cover plate, a platform frame and array columns. The platform frame is a truss structure. The cover plate is flatly fixed on the upper surface of the platform frame, and the array columns are fixed in sequence on the outer side of the bottom of the platform frame.

3. A fully flip work platform according to claim 2, characterized in that: The guardrail assembly comprises two groups of end guardrails and an array of middle guardrails. The array of middle guardrails is arranged in sequence along the outer side surface of the flip platform body, and the end guardrails are arranged at both ends of the middle guardrails.

4. A fully flip work platform according to claim 3, characterized in that: The guardrails at both ends are fixed at the outermost ends of the main body of the flip platform, and are composed of a crossbeam assembly, three column assemblies, an upper guardrail, a lower guardrail, a protective net, a reset indexing pin, a quick-release pin and fasteners; The column assembly can be retracted in one stage, and the height after retraction is less than or equal to the width of the flip platform; There are two rows of through holes at the bottom of the column assembly, which can be flipped around the lowest row of through holes. There are upper and lower guard bars on the outside. The guard bars are connected to the beam assembly through an axle pin. The upper guard bar can rotate around the axle pin in the horizontal plane, and the lower can rotate upward around the axle pin. After the upper and lower guard bars are rotated, they are locked by quick-release pins. Insertion holes at different positions of the quick-release pins are provided on the beam assembly, and an avoidance groove for the upper guard bar is provided on the uppermost beam, which can accommodate the upper guardrail.

5. A fully flip work platform according to claim 4, characterized in that: The middle guardrail is fixed between the two sets of end guardrails and consists of three column assemblies, a protective net, a reset indexing pin and fasteners. The column assembly can be retracted in one level, and the height after retraction is less than or equal to the width of the flip platform. There are two rows of through holes at the bottom of the column assembly, and it can be flipped around the bottom row of through holes.

6. A fully flip work platform according to claim 5, characterized in that: The guardrail seat assembly includes three sets of connecting short plates, a bent long plate, three sets of slot seats, a locking plate, a plum handle screw, two quick-release pins, three pin shafts and three sets of fasteners; The bent long plate is vertically fixed on the outermost side of the upper surface of the cover plate, and a through hole is opened at the position corresponding to the middle axis of the lower end of the three column assemblies. Three sets of connecting short plates are evenly distributed at the openings on the outer side of the bent long plate, with the upper end flush with the upper end of the bent long plate, and the lower half fixed on the main body of the flip platform; Three groups of slot seats are arranged in sequence at the openings of the bent long plate, with the back side fitting against the inner side of the bent long plate and the lower end fixed on the cover plate; Three groups of through holes are arranged on the two vertical surfaces of the grooved seats on both sides. The three groups of through holes are arranged in an equilateral right triangle. The through holes at the vertices of the equilateral right triangle are used to insert the pins used to connect the guardrail column components, and the other two groups of through holes are used to insert quick-release pins for fixing and locking the horizontal and vertical positions; A row of through holes is arranged on the two vertical surfaces of the middle groove seat for inserting the pins used for connecting the guardrail column assembly; Three sets of fasteners pass through the connecting short plate and the bent long plate in sequence, and their end faces are in contact with the outer surface of the guardrail column to control the inclination of the guardrail to the outside; A through hole is provided at one end of the locking plate to pass through the middle column, and a threaded hole is provided at the other end to screw in a plum handle screw. Tightening the plum handle screw can make the lower end of the locking plate pressed against the cover plate to control the inward inclination of the guardrail. A fastener passing through the middle column is provided above the locking plate to limit the axial position of the locking plate.

7. A fully flip work platform according to claim 6, characterized in that: The flip mechanism is composed of a hand wheel, a commutator, several couplings, a reducer connecting shaft, a reducer, a flip shaft, several support assemblies, several flip connecting pieces, a connecting bracket and a connecting key; The hand wheel, commutator and reducer are arranged on one side of the full-tilt working platform and fixed on the fixed platform through a connecting bracket; Several support assemblies are evenly fixed on the side of the fixed platform along the length direction of the flip platform body. The flip connector is installed between the two support plates of the support assembly, and its upper end is connected to the flip platform body through a fastener. The flip shaft runs through all the support assemblies and the flip connector. Shaking the hand wheel can drive the flip shaft to rotate, and then drive the flip connector to rotate, thereby driving the flip platform body to rotate.

8. A fully flip work platform according to claim 7, characterized in that: The support mechanism includes a hand wheel assembly, a fixed support assembly, a speed reduction reversing assembly, a connecting rod assembly, and a support beam assembly; The handwheel assembly and the speed reduction reversing assembly are fixed on the fixed platform and on the same side as the handwheel of the turning mechanism; The support beam assembly is evenly arranged on the bottom surface of the flip platform body through the fixed support along the length direction of the platform, and the support plate at the front end is fitted with the end surface of the column at the bottom of the flip platform body to support the flip platform body. The support beam assembly can rotate around the axis on the fixed support; The connecting rod assembly is in a broken line shape and is connected between two groups of supporting beam assemblies through fasteners.

9. A method for using a fully flip work platform, characterized in that: Here are the steps: When the fully tiltable working platform is not in use: Step 1. Pull out the quick release pin of the upper guard bar, turn the upper guard bar around the axis pin into the avoidance groove of the upper crossbeam, and then insert the quick release pin to lock it. Pull out the quick release pin of the lower guard bar, rotate the lower guard bar around the axis pin downward to be parallel to the column assembly, and then insert the quick release pin to lock it; Step 2. Pull out the reset indexing pins on all guardrail post assemblies and retract all guardrails in one level in turn; Step 3. Pull out the quick-release pin on the guardrail seat assembly, turn the retracted guardrail around the axis pin until it is parallel to the flip platform body, and insert the quick-release pin to lock it; Step 4. Shake the hand wheel of the support mechanism, and the support beam assembly is driven by the connecting rod assembly to separate from the column of the flip platform body, and finally the support mechanism is retracted to the outer side close to the fixed platform; Step 5. Shake the hand wheel of the flipping mechanism to flip the flipping platform body and the guardrail assembly thereon to close to the outer side of the fixed platform, thus completing the full flipping task of the entire flipping platform; When using the full-tilt work platform, follow steps 1 to 5 in reverse order.

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