Pneumatic actuator shell assembling auxiliary tool and using method thereof

Abstract

The invention particularly relates to a pneumatic actuator shell assembling auxiliary tool and a using method thereof.The pneumatic actuator shell assembling auxiliary tool comprises a supporting base, a bottom plate is installed on the supporting base, two sets of installing mechanisms are symmetrically arranged on the bottom plate, limiting mechanisms are arranged on the installing mechanisms, a workbench is installed on the bottom plate through the installing mechanisms in a clamping mode, and the limiting mechanisms are arranged on the workbench. A positioning clamp is arranged on the workbench, and an adjusting mechanism is arranged above the positioning clamp; according to the device, by arranging the symmetrically-arranged mounting mechanisms, a traditional welding or multi-group bolt connecting mode is abandoned, the mounting rods are driven by the reset springs to be accurately inserted into the mounting grooves of the workbench, rapid clamping and fixing of the bottom plate and the workbench are achieved, professional operation and a complex hole aligning process are not needed, the tool assembling efficiency is greatly improved, and the labor intensity of workers is lowered. And the production preparation time is shortened, and the batch production requirement is met.

Description

Technical Field

[0002] This invention specifically relates to an auxiliary tooling for assembling a pneumatic actuator housing and its usage method. Background Technology

[0004] A pneumatic actuator housing assembly auxiliary tooling is a special tooling used to assist in the assembly of pneumatic actuator housings. Its main purpose is to improve assembly efficiency, ensure assembly accuracy, and reduce the difficulty of manual operation. It is usually composed of multiple positioning, clamping, and guiding components, which can quickly position the various components of the housing and assist in completing operations such as bolt tightening and seal installation. In existing auxiliary tooling for assembling pneumatic actuator housings, although welding the base plate to the worktable or using multiple bolt connections can achieve fixation, there are several drawbacks, mainly in terms of low installation efficiency, high maintenance costs, and poor precision and stability. Welding requires professional welders, the welding process is time-consuming, and it is difficult to adjust or disassemble after welding. Multiple bolt connections require precise hole alignment, and bolt installation may be difficult due to hole position deviations. When installing or adjusting the tooling, workers need to spend a lot of time, affecting the production rhythm. Especially in mass production, this inefficient method will significantly reduce the overall production efficiency. Therefore, an auxiliary tooling for assembling pneumatic actuator housings and its usage method are proposed. Summary of the Invention

[0006] In order to solve the technical problems existing in the prior art, the present invention provides an auxiliary tooling for assembling a pneumatic actuator housing and a method for using it.

[0007] To solve the above technical problems, the present invention provides the following technical solution: an auxiliary tooling for assembling a pneumatic actuator housing, including a support base, a base plate mounted on the support base, two sets of mounting mechanisms symmetrically arranged on the base plate, each mounting mechanism being provided with a limit mechanism, a worktable clamped and mounted on the base plate by the mounting mechanisms, a positioning fixture being provided on the worktable, and an adjustment mechanism being provided above the positioning fixture; The installation mechanism releases the fixation of the worktable by pulling, and the limiting mechanism limits the pulling of the installation mechanism.

[0008] Preferably, the installation mechanism includes a fixing plate fixed to the outer wall of the base plate, a spring component disposed within the fixing plate, a driving component connected to the spring component, and an installation slot formed in the worktable, wherein a limit mechanism is installed on the outer wall of the fixing plate.

[0009] Preferably, the spring component includes two sets of slide grooves formed in the fixed plate, a slider slidably connected in the slide grooves, and a return spring wound on the drive component.

[0010] Preferably, the slide grooves are symmetrically provided in two sets, and the length of each set of slide grooves is set to be greater than the length of the mounting groove.

[0011] Preferably, one end of the reset spring is connected to the outer wall of the slider, and the other end of the reset spring is connected to the inner wall of the fixed plate.

[0012] Preferably, the driving component includes a mounting rod fixedly connected to the slider and a pull ring fixed to the outer wall of the mounting rod, wherein the limiting mechanism is inserted into the mounting rod.

[0013] Preferably, the outer diameter of the mounting rod is equal to the inner diameter of the mounting groove, and the outer wall of the pull ring is provided with anti-slip texture.

[0014] Preferably, the limiting mechanism includes an auxiliary plate fixed to the outer wall of the fixed plate, a slot opened in the auxiliary plate, a threaded groove opened in the slot, a limiting rod slidably connected in the slot, a nut installed on the outer wall of the limiting rod, and a limiting groove opened in the mounting rod.

[0015] Preferably, the nut is threadedly connected to the threaded groove to form a fixed connection, and the outer diameter of the limiting rod is set to be equal to the inner diameter of the limiting groove.

[0016] This invention also provides a technical solution, a method for using a multi-angle terrain-adjustable solar panel bracket, the specific steps of which are as follows: S1. Initial tooling preparation: Confirm that the support base is placed stably and the base plate is firmly installed on the support base; check the status of the installation mechanism to ensure that the reset spring is in a naturally extended state, the slider is close to the center of the base plate along the slide groove, and the installation rod is in an extended, ready-to-connect state; check the limit mechanism to ensure that the limit rod is not inserted into the limit groove of the installation rod and the nut is not tightened to ensure that subsequent installation operations can be carried out normally.

[0017] S2. Workbench Installation and Fixing: Hoist or transport the workbench to the top of the base plate, align it with the preset assembly position on the base plate, and ensure that the mounting slot on the workbench is precisely aligned with the mounting rod of the mounting mechanism; slowly lower the workbench to fit against the base plate. At this time, the mounting rod will automatically insert into the mounting slot of the workbench under the elastic driving force of the return spring. The two sets of symmetrical mounting mechanisms will simultaneously complete the clamping action to achieve rapid fixing of the workbench and the base plate.

[0018] S3. Tooling Adjustment and Part Positioning: The position is adjusted by the adjustment mechanism above the workbench to ensure that the positioning fixture is in the preset assembly positioning posture; the pneumatic actuator housing component to be assembled is placed on the positioning fixture of the workbench, and the positioning fixture completes the precise positioning and initial fixation of the component, providing a stable foundation for subsequent assembly operations.

[0019] S4. Housing Assembly Operation: Based on the tooling that has been debugged, carry out the assembly operation of the pneumatic actuator housing, such as bolt tightening and seal installation; during the assembly process, the relative position of the parts to be assembled can be finely adjusted by adjusting the mechanism as needed to ensure assembly accuracy until the single housing assembly operation is completed.

[0020] S5. Preparation for disassembling the workbench: The operator holds the pull rings of the two sets of mounting mechanisms with both hands, using the anti-slip texture on the outer wall of the pull rings to improve grip stability, and pulls the pull rings smoothly away from the center of the base plate; the pull rings drive the mounting rods to move synchronously, the slider slides along the slide groove and compresses the return spring, until the mounting rods are completely pulled out of the mounting groove of the workbench.

[0021] S6. Limiting and Fixing and Removing the Workbench: After the mounting rod is completely pulled out of the mounting slot, observe and confirm that the limiting slot on the mounting rod is aligned with the limiting rod of the limiting mechanism; push the limiting rod to slide along the slot of the auxiliary plate, so that the limiting rod is inserted into the limiting slot; rotate the nut on the outer wall of the limiting rod, and use the threaded connection between the nut and the threaded groove in the slot to tighten the nut until it fits against the outer wall of the auxiliary plate, locking the position of the mounting rod and the pull ring. The operator then releases the pull ring; subsequently, the workbench is hoisted or transported from the base plate for maintenance, replacement, or storage.

[0022] S7. Reinstalling the worktable: Rotate the nut in the reverse direction to release the locking of the limit rod; pull the limit rod out of the limit groove of the mounting rod. At this time, under the elastic restoring force of the return spring, the mounting rod drives the slider to return to the center of the base plate along the slide groove, and the mounting rod returns to the extended and ready-to-connect state; repeat the operation of step S to reinstall and fix the maintained or replaced worktable on the base plate, and the assembly operation can be carried out again.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. This device, by setting up a symmetrically arranged installation mechanism, abandons the traditional welding or multiple bolt connection methods. It uses a return spring to drive the installation rod to accurately insert into the worktable installation slot, realizing the quick clamping and fixing of the base plate and the worktable. No professional operation or complicated hole-aligning process is required, which greatly improves the tooling assembly efficiency, shortens the production preparation time, and adapts to the needs of mass production. 2. This device, through the design of pull rings and anti-slip textures in the installation mechanism, combined with the guiding effect of the slide groove on the slider, allows the operator to easily pull the installation rod to disassemble the worktable. At the same time, the design of the slide groove being longer than the installation groove ensures that the installation rod can be completely detached from the installation groove, avoiding disassembly jamming, reducing the difficulty of operation and labor intensity. 3. This device is equipped with a matching limiting mechanism. After the installation rod is fully pulled out, the limiting rod can be inserted into the limiting groove and locked with a nut to lock the position of the installation rod and the pull ring. This eliminates the need for the operator to continuously apply force to hold it, which not only improves the safety of the disassembly process, but also frees the operator's hands and facilitates the subsequent handling or maintenance of the workbench. 4. This device ensures the assembly accuracy of the base plate and the worktable by setting a precise size matching structure between the mounting rod and the mounting groove, and between the limiting rod and the limiting groove. This avoids the accuracy deviation caused by traditional welding deformation or uneven bolt tightening. At the same time, the detachable structure facilitates the maintenance and replacement of the worktable, reducing the overall maintenance cost of the tooling. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a three-dimensional schematic diagram of the connection structure between the base plate and the worktable of the present invention; Figure 3 For the present invention Figure 2 A magnified schematic diagram of the structure at point A in the middle; Figure 4 This is a three-dimensional schematic diagram of the connection structure between the installation mechanism and the limiting mechanism of the present invention; Figure 5 This is a top cross-sectional view of a partial connection between the mounting mechanism and the limiting mechanism of the present invention. Figure 6 For the present invention Figure 5 A magnified schematic diagram of the structure at point B.

[0026] The numbers in the diagram represent: 1. Support base; 2. Base plate; 3. Worktable; 4. Positioning fixture; 5. Installation mechanism; 51. Fixing plate; 52. Slide groove; 53. Slider; 54. Mounting rod; 55. Return spring; 56. Pull ring; 57. Mounting groove; 6. Limiting mechanism; 61. Auxiliary plate; 62. Slot; 63. Threaded groove; 64. Limiting rod; 65. Nut; 66. Limiting groove; 7. Adjustment mechanism. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments, which illustrate the above and other technical features and advantages of the present invention. However, the following embodiments are merely preferred embodiments of the present invention and are not exhaustive.

[0029] Example: like Figure 1 - Figure 6As shown, the present invention provides an auxiliary tooling for assembling a pneumatic actuator housing, including a support base 1, a base plate 2 installed on the support base 1, two sets of mounting mechanisms 5 symmetrically arranged on the base plate 2, each of the mounting mechanisms 5 being provided with a limit mechanism 6, a worktable 3 being clamped and installed on the base plate 2 through the mounting mechanisms 5, a positioning fixture 4 being provided on the worktable 3, and an adjustment mechanism 7 being provided above the positioning fixture 4; The installation mechanism 5 releases the fixation of the workbench 3 by pulling, and the limiting mechanism 6 limits the pulling of the installation mechanism 5. The mounting mechanism 5 includes a fixed plate 51 fixed to the outer wall of the base plate 2, a spring component disposed in the fixed plate 51, a driving component connected to the spring component, and a mounting groove 57 opened in the worktable 3. A limiting mechanism 6 is installed on the outer wall of the fixed plate 51. The spring component includes two sets of sliding grooves 52 opened in the fixed plate 51, a slider 53 slidably connected in the sliding grooves 52, and a return spring 55 wound on the driving component. The driving component includes a mounting rod 54 fixedly connected to the slider 53 and a pull ring 56 fixed to the outer wall of the mounting rod 54. The limiting mechanism 6 is inserted into the mounting rod 54.

[0030] The mounting mechanism 5 is the core component that enables the quick connection between the base plate 2 and the workbench 3. It mainly consists of a fixed plate 51, spring components, driving components, and mounting slots 57 on the workbench 3. The specific action logic is divided into two stages: installation and fixing, and disassembly and separation.

[0031] In the initial state, the return spring 55 is in a naturally extended state, with one end connected to the outer wall of the slider 53 and the other end connected to the inner wall of the fixing plate 51. Under the elastic force of the return spring 55, the slider 53 slides along the groove 52 in the fixing plate 51 towards the center of the base plate 2, simultaneously driving the mounting rod 54, which is fixedly connected to the slider 53, to move synchronously. When it is necessary to install the worktable 3 onto the base plate 2, simply place the worktable 3 in the preset assembly position of the base plate 2, so that the mounting groove 57 on the worktable 3 is precisely aligned with the position of the mounting rod 54. At this time, the mounting rod 54 is directly inserted into the mounting groove 57 under the drive of the return spring 55. The outer diameter of the mounting rod 54 is equal to the inner diameter of the mounting groove 57, ensuring the insertion accuracy and stability. The two sets of symmetrically arranged mounting mechanisms 5 complete the clamping action simultaneously, which can realize the quick fixation of the base plate 2 and the worktable 3 without welding or aligning the bolt holes one by one. The operation is simple and time-saving. When it is necessary to disassemble or adjust the worktable 3, the operator only needs to pull the pull ring 56 on the outer wall of the mounting rod 54. The outer wall of the pull ring 56 is provided with anti-slip texture to improve grip stability and prevent slippage. The pull ring 56 drives the mounting rod 54 to move away from the center of the base plate 2, and simultaneously pulls the slider 53 fixed to the mounting rod 54 to slide along the slide groove 52. During this process, the slider 53 will compress the return spring 55, causing the return spring 55 to undergo elastic deformation and store elastic potential energy. When the mounting rod 54 is completely pulled out of the mounting groove 57 of the worktable 3, the fixed constraint between the worktable 3 and the base plate 2 is released, and the worktable 3 can be directly removed from the base plate 2 to complete the disassembly. Among them, two sets of slide grooves 52 are symmetrically arranged and their length is greater than the length of the mounting groove 57. This not only ensures the stability of the slider 53 sliding, but also provides sufficient stroke space for the complete extraction of the mounting rod 54, avoiding the mounting rod 54 not being able to completely detach from the mounting groove 57 due to insufficient length of the slide groove 52.

[0032] The limiting mechanism 6 includes an auxiliary plate 61 fixed to the outer wall of the fixed plate 51, a slot 62 opened in the auxiliary plate 61, a threaded groove 63 opened in the slot 62, a limiting rod 64 slidably connected in the slot 62, a nut 65 installed on the outer wall of the limiting rod 64, and a limiting groove 66 opened in the mounting rod 54.

[0033] When the operator pulls the pull ring 56 to fully extend the mounting rod 54 out of the mounting slot 57, the limiting slot 66 on the mounting rod 54 will be precisely aligned with the position of the limiting rod 64. At this time, the operator can push the limiting rod 64 to slide along the slot 62, so that the limiting rod 64 is inserted into the limiting slot 66. The outer diameter of the limiting rod 64 is equal to the inner diameter of the limiting slot 66, ensuring the stability of the limiting position. Then, rotate the nut 65 on the outer wall of the limiting rod 64. Since the nut 65 is threadedly connected to the threaded groove 63 in the slot 62, after the nut 65 rotates, it will move along the threaded groove 63 and fit against the outer wall of the auxiliary plate 61, thereby fixing the limiting rod 64 and locking the position of the mounting rod 54 and the pull ring 56. At this time, the operator can release the pull ring 56 without continuous force.

[0034] When the worktable 3 needs to be reinstalled, simply rotate the nut 65 in the opposite direction to release the fixation of the limit rod 64 and pull the limit rod 64 out of the limit groove 66. At this time, under the elastic restoring force of the return spring 55, the mounting rod 54 drives the slider 53 to return along the slide groove 52, and the mounting rod 54 is reinserted into the mounting groove 57 of the worktable 3 to complete the quick fixation.

[0035] The usage method of the auxiliary tooling for assembling the pneumatic actuator housing is as follows: S1. Initial tooling preparation: Confirm that the support base 1 is placed stably and the base plate 2 is firmly installed on the support base 1; check the status of the installation mechanism 5 to ensure that the return spring 55 is in a naturally extended state, the slider 53 is close to the center of the base plate 2 along the slide groove 52, and the installation rod 54 is in an extended and ready-to-connect state; check the limiting mechanism 6 to ensure that the limiting rod 64 is not inserted into the limiting groove 66 of the installation rod 54, and the nut 65 is in an untightened state to ensure that subsequent installation operations can be carried out normally.

[0036] S2. Workbench Installation and Fixing: Hoist or transport the workbench 3 above the base plate 2, align it with the preset assembly position on the base plate 2, and make the mounting groove 57 on the workbench 3 precisely aligned with the mounting rod 54 of the mounting mechanism 5; slowly lower the workbench 3 to fit against the base plate 2. At this time, under the elastic driving force of the return spring 55, the mounting rod 54 automatically inserts into the mounting groove 57 of the workbench 3. The two sets of symmetrical mounting mechanisms 5 simultaneously complete the clamping action, realizing the rapid fixing of the workbench 3 and the base plate 2.

[0037] S3. Tooling adjustment and positioning of the parts to be assembled: The position is adjusted by the adjustment mechanism 7 above the workbench 3 to ensure that the positioning fixture 4 is in the preset assembly positioning posture; the pneumatic actuator housing part to be assembled is placed on the positioning fixture 4 of the workbench 3, and the positioning fixture 4 completes the precise positioning and initial fixation of the part, providing a stable foundation for subsequent assembly operations.

[0038] S4. Housing assembly operation: Based on the tooling that has been debugged, carry out the assembly operation of the pneumatic actuator housing, such as bolt tightening and seal installation; during the assembly process, the relative position of the parts to be assembled can be finely adjusted by adjusting mechanism 7 as needed to ensure assembly accuracy until the single housing assembly operation is completed.

[0039] S5. When the workbench needs to be disassembled for maintenance or replacement: The operator holds the pull rings 56 of the two sets of mounting mechanisms 5 with both hands, and uses the anti-slip texture on the outer wall of the pull rings 56 to improve the grip stability, and pulls the pull rings 56 smoothly away from the center of the base plate 2; the pull rings 56 drive the mounting rods 54 to move synchronously, the slider 53 slides along the slide groove 52 and compresses the return spring 55 until the mounting rods 54 are completely pulled out of the mounting groove 57 of the workbench 3.

[0040] S6. Limiting and Fixing and Removing the Workbench: After the mounting rod 54 is completely pulled out of the mounting slot 57, observe and confirm that the limiting slot 66 on the mounting rod 54 is aligned with the limiting rod 64 of the limiting mechanism 6; push the limiting rod 64 to slide along the slot 62 of the auxiliary plate 61, so that the limiting rod 64 is inserted into the limiting slot 66; rotate the nut 65 on the outer wall of the limiting rod 64, and use the threaded connection between the nut 65 and the threaded groove 63 in the slot 62 to lock the nut 65 to fit against the outer wall of the auxiliary plate 61, locking the position of the mounting rod 54 and the pull ring 56. The operator then releases the pull ring 56; then the workbench 3 is hoisted or transported from the base plate 2 for maintenance, replacement or storage.

[0041] S7. After reinstalling, maintaining / replacing the workbench: Rotate the nut 65 in the reverse direction to release the locking of the limit rod 64; pull the limit rod 64 out of the limit groove 66 of the mounting rod 54. At this time, under the elastic restoring force of the return spring 55, the mounting rod 54 drives the slider 53 to return to the center of the base plate 2 along the slide groove 52, and the mounting rod 54 returns to the extended and ready-to-connect state; repeat the operation of step S2 to reinstall and fix the maintained or replaced workbench 3 on the base plate 2, and the assembly operation can be carried out again.

[0042] The above description is merely a preferred embodiment of the present invention and is illustrative rather than restrictive. Those skilled in the art will understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present invention, all of which will fall within the protection scope of the present invention.

Claims

1. A pneumatic actuator housing assembly aid characterized by, Including support base (1), the bottom plate (2) is arranged on the support base (1), two groups of installation mechanism (5) are symmetrically arranged on the bottom plate (2), the installation mechanism (5) is provided with the limiting mechanism (6), the workbench (3) is clamped and installed on the bottom plate (2) by the installation mechanism (5), the positioning clamp (4) is provided on the workbench (3), the adjusting mechanism (7) is provided above the positioning clamp (4); The installation mechanism (5) is fixed by pulling, and the limiting mechanism (6) limits the pulling of the installation mechanism (5).

2. The pneumatic actuator housing assembly aid tool of claim 1, wherein, The installation mechanism (5) includes a fixed plate (51) fixed to the outer wall of the bottom plate (2), a spring member arranged in the fixed plate (51), a driving member connected with the spring member, and an installation slot (57) opened in the workbench (3), wherein the fixed plate (51) is provided with a limiting mechanism (6) on the outer wall.

3. The pneumatic actuator housing assembly aid tool of claim 2, wherein, The spring member includes two groups of sliding grooves (52) opened in the fixed plate (51), a sliding block (53) slidingly connected in the sliding groove (52), and a reset spring (55) wound on the driving member.

4. The pneumatic actuator housing assembly aid tool of claim 1, wherein, The sliding groove (52) is symmetrically provided with two groups, and the length of each group of sliding grooves (52) is greater than the length of the installation slot (57).

5. The pneumatic actuator housing assembly aid tool of claim 1, wherein, One end of the reset spring (55) is connected with the outer wall of the sliding block (53), and the other end of the reset spring (55) is connected with the inner wall of the fixed plate (51).

6. The pneumatic actuator housing assembly aid tool of claim 2, wherein, The driving member includes an installation rod (54) fixedly connected with the sliding block (53) and a pull ring (56) fixed to the outer wall of the installation rod (54), wherein the limiting mechanism (6) is inserted with the installation rod (54).

7. The pneumatic actuator housing assembly aid tool of claim 6, wherein, The outer diameter of the installation rod (54) is equal to the inner diameter of the installation slot (57), and the outer wall of the pull ring (56) is provided with anti-skid lines.

8. The pneumatic actuator housing assembly aid tool of claim 6, wherein, The limiting mechanism (6) includes an auxiliary plate (61) fixed to the outer wall of the fixed plate (51), a slot (62) opened in the auxiliary plate (61), a threaded groove (63) opened in the slot (62), a limiting rod (64) slidingly connected in the slot (62), a nut (65) installed on the outer wall of the limiting rod (64), and a limiting slot (66) opened in the installation rod (54).

9. The pneumatic actuator housing assembly aid tool of claim 8, wherein, The nut (65) is fixedly connected with the threaded groove (63), and the outer diameter of the limiting rod (64) is equal to the inner diameter of the limiting slot (66).

10. The use method of the pneumatic actuator shell assembly auxiliary tooling according to any one of claims 1-9, wherein, S1, initial preparation of tooling: confirm that the support base (1) is stably placed, and the bottom plate (2) is firmly installed on the support base (1); check the state of the installation mechanism (5) to ensure that the reset spring (55) is in a natural stretched state, the sliding block (53) is close to the center of the bottom plate (2) along the sliding groove (52), and the installation rod (54) is in an extended state ready for insertion; check the limiting mechanism (6) to ensure that the limiting rod (64) is not inserted into the limiting slot (66) of the installation rod (54), and the nut (65) is in an unlocked state, so that the subsequent installation operation can be normally carried out. S2, workbench installation and fixation: hoist or carry the workbench (3) to the upper side of the bottom plate (2), align the preset assembly position of the bottom plate (2), and make the installation slot (57) on the workbench (3) accurately align with the installation rod (54) of the installation mechanism (5); slowly lower the workbench (3) to the bottom plate (2), at this time the installation rod (54) is automatically inserted into the installation slot (57) of the workbench (3) under the elastic driving force of the reset spring (55), the two symmetrical installation mechanisms (5) complete the clamping action synchronously, and the workbench (3) is quickly fixed with the bottom plate (2); S3, tool debugging and positioning of parts to be assembled: position debugging is performed through the adjusting mechanism (7) above the workbench (3) to ensure that the positioning clamp (4) is in the preset assembly position; the pneumatic actuator shell part to be assembled is placed on the positioning clamp (4) of the workbench (3), and the positioning clamp (4) completes accurate positioning and preliminary fixation of the part, providing a stable basis for subsequent assembly operation; S4, shell assembly operation: relying on the debugged tool, the assembly operation of the pneumatic actuator shell is carried out, such as bolt fastening and seal installation; During the assembly process, the relative position of the parts to be assembled can be adjusted as needed through the adjusting mechanism (7) to ensure assembly accuracy until the single shell assembly operation is completed; S5, workbench disassembly preparation: the operator holds the pull ring (56) of the two installation mechanisms (5) with both hands, improves the holding stability by means of the anti-slip pattern on the outer wall of the pull ring (56), and pulls the pull ring (56) away from the center of the bottom plate (2) stably; the pull ring (56) drives the installation rod (54) to move synchronously, the sliding block (53) slides along the sliding groove (52) and compresses the reset spring (55), until the installation rod (54) is completely pulled out of the installation slot (57) of the workbench (3); S6, limiting and fixing and taking down the workbench: when the installation rod (54) is completely pulled out of the installation slot (57), observe and confirm that the limiting slot (66) on the installation rod (54) is aligned with the limiting rod (64) of the limiting mechanism (6); slide the limiting rod (64) along the slot (62) of the auxiliary plate (61) to make the limiting rod (64) inserted into the limiting slot (66); rotate the nut (65) on the outer wall of the limiting rod (64), and lock the nut (65) to the outer wall of the auxiliary plate (61) by the threaded connection relationship between the nut (65) and the threaded groove (63) in the slot (62), lock the position of the installation rod (54) and the pull ring (56), and the operator releases the pull ring (56); then hoist or carry the workbench (3) from the bottom plate (2) to take it down, and maintain, replace or store it; S7, the workbench is reinstalled: reverse rotation nut (65), remove the locking of the limiting rod (64); the limiting rod (64) is extracted from the limiting slot (66) of the mounting rod (54), at this time the mounting rod (54) is reset under the elastic reset force of the reset spring (55), the sliding block (53) is reset to the center of the bottom plate (2) along the sliding groove (52), and the mounting rod (54) returns to the extended state of the waiting for insertion. Repeat the operation of step S2, reinstall and fix the workbench (3) after maintenance or replacement to the bottom plate (2), and then carry out the assembly operation again.

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