CN217620255U - Assembly tool - Google Patents

Abstract

The utility model provides an assembly fixture for assembly threaded connection's first waiting to assemble parts and second waiting to assemble parts, assembly fixture includes: the fixing tool comprises a first connecting part and a second connecting part, wherein the first connecting part is fixedly connected with the first part to be assembled relatively, the second connecting part is connected with the workbench, and the first connecting part is connected with the second connecting part so that the first part to be assembled is fixed relative to the workbench through the fixing tool; and the fastening tool is provided with a fastening part, and the fastening part is supported above the second component to be assembled and is fixedly connected with the second component to be assembled so as to enable the second component to be assembled to rotate relative to the first component to be assembled by rotating the fastening part. The utility model provides an assembly methods between the air duct of the circuit breaker among the prior art and the movable arc groove contact cause the injured problem of assembler easily.

Description

Assembly tool

Technical Field

The utility model relates to a circuit breaker assembly field particularly, relates to an assembly fixture.

Background

The double-fracture structure of the circuit breaker consists of two arc extinguishing chambers, and the two arc extinguishing chambers are connected through an auxiliary pull rod on a connecting arm. The circuit breaker mechanism drives the main pull rod to move, the main pull rod is connected with the nearby arc extinguish chamber connecting arms, the connecting arms drive the auxiliary pull rod to move, and the auxiliary pull rod connects the connecting arms of the two arc extinguish chambers to realize the switching-on and switching-off of the arc extinguish chambers of the two fractures of the circuit breaker.

The arc extinguish chamber structure of the circuit breaker consists of a movable side and a static side. The movable side structure comprises a connecting arm, an air duct, a pressure cylinder, a cylinder seat, a supporting seat, an insulating cylinder, an annular contact, a movable arc contact, an auxiliary nozzle, a main nozzle and other parts. One end of the air duct is connected to the connecting arm through a bolt, the other end of the air duct is in threaded connection with the moving arc contact, the moving arc contact is clamped in the air cylinder seat, and the air cylinder seat is connected with the annular contact and the air pressing cylinder through bolts. When the main pull rod moves, the main pull rod drives the connecting arm to move; the connecting arm is connected with the air duct, and the air duct moves; the air duct is connected with the moving arc contact, and the moving arc contact moves; the moving arc contact is clamped in the cylinder block, and the cylinder block moves; the cylinder seat is connected with the annular contact and the air pressing cylinder, so that the annular contact, the cylinder seat and the air pressing cylinder move to realize the moving side movement of the arc extinguish chamber, and further realize the opening and closing of the arc extinguish chamber.

At present, as shown in fig. 1, the structure of the position of the gas duct 10' of the arc extinguish chamber of the circuit breaker is as follows: the air duct 10' is connected with the moving arc contact 20' in a threaded manner, and an air cylinder seat 40' is clamped between the air duct 10' and the moving arc contact 20 '. The air duct 10' is a cylindrical structure with a thread at one end; the moving arc contact 20 'is internally threaded, has smooth exterior and is provided with two bulges which are inserted into the cylinder seat 40'; the auxiliary nozzle 30' outside the moving arcing contact 20' is connected with the moving arcing contact 20' in a snap-in manner. When fastening, a tool needs to be inserted into the through hole of the cylinder seat 40', and the rotating of the cylinder seat 40' drives the rotating of the moving arc contact 20', so that the fastening of the moving arc contact 20' and the air duct 10' is realized.

In the industry, for the assembly of the structure, most manufacturers adopt a horizontal assembly mode to clamp the air duct in a clamping tool in the horizontal direction, and a matched fastening tool is used for assembling and fastening a torque wrench at the end part. The assembling mode can meet the requirement of air duct torque fastening, but has potential safety hazard, and under the condition of improper operation, the fastening tool at the end part falls down to injure assembly staff.

Therefore, the air duct assembly with the structure also needs to adopt proper safety measures under the condition of meeting the torque fastening requirement, so that the injury of assembly workers is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an assembly fixture to solve the air duct of the circuit breaker among the prior art and move the assembly methods between the arc groove contact and cause the injured problem of assembler easily.

In order to realize the above-mentioned purpose, the utility model provides an assembly fixture for assembly threaded connection's first waiting to assemble parts and second waiting to assemble parts, assembly fixture includes: the fixing tool comprises a first connecting part and a second connecting part, wherein the first connecting part is fixedly connected with the first part to be assembled relatively, the second connecting part is connected with the workbench, and the first connecting part is connected with the second connecting part so that the first part to be assembled is fixed relative to the workbench through the fixing tool; and the fastening tool is provided with a fastening part, and the fastening part is supported above the second part to be assembled and is fixedly connected with the second part to be assembled so as to enable the second part to be assembled to rotate relative to the first part to be assembled by rotating the fastening part.

Further, the first connection portion includes: the first clamping component and the second clamping component are used for being connected with a first component to be assembled, and the second connecting part is connected with the first clamping component or the second clamping component; the first clamping part and the second clamping part are adjustably arranged in position to clamp or release the first part to be assembled.

Further, the first connection portion further includes: the hinge component is provided with a first connecting arm connected with the first end of the first clamping component, and a second connecting arm connected with the first end of the second clamping component, so that the hinge component can be used for rotatably arranging the first clamping component and the second clamping component to clamp or release the first component to be assembled.

Further, the first connection portion further includes: and the locking piece is connected with the second end of the first clamping part and the second end of the second clamping part, so that the second end of the first clamping part and the second end of the first clamping part are detachably connected through the locking piece.

Furthermore, the second end of the first clamping part and the second end of the second clamping part are provided with locking plates, and each locking plate is provided with a locking hole matched with the locking part; the locking part comprises a screw part and a nut part which are matched with each other, the screw part sequentially penetrates through locking holes of locking plates of the first clamping part and the second clamping part, and the nut part is in threaded fit with the screw part to fasten the first clamping part and the second clamping part.

Further, first clamping part and second clamping part all include be used for with the first outer peripheral face matched with arc that treats the assembly part, are provided with the face of weld on the arc, and the locking plate is connected and is welded with the face of weld.

Further, the second connecting portion are connecting plates, and mounting holes are formed in the connecting plates so that the connecting plates can be mounted on the workbench through fasteners penetrating through the mounting holes.

Further, the fastening frock still includes: the driving part is fixedly connected with the fastening part, and an operating structure used for being connected with the operating component is arranged on the driving part so as to drive the driving part to rotate through the operating structure.

Furthermore, the driving part is of a plate body structure, the plate body structure is provided with an avoidance cavity, and an opening of the avoidance cavity faces the second component to be assembled; and/or the operation structure is an operation projection protruding out of the driving part or an operation hole arranged on the driving part.

Further, the fastening portion includes mounting plate and plug pin, and the mounting plate is used for fixing a position on the second waits to assemble the part, and the plug pin setting is waited to assemble the part setting on the mounting plate and towards the second to make the plug pin insert the second wait to assemble the downthehole of inserting of part.

By applying the technical scheme of the utility model, the assembly tool of the utility model comprises a fixing tool and a fastening tool, the fixing tool comprises a first connecting part fixedly connected with a first part to be assembled relatively and a second connecting part connected with a workbench, the first connecting part is connected with the second connecting part, so that the first part to be assembled is fixed relative to the workbench through the fixing tool; the fastening tool is provided with a fastening part, and the fastening part is supported above the second part to be assembled and is fixedly connected with the second part to be assembled so as to enable the second part to be assembled to rotate relative to the first part to be assembled by rotating the fastening part. Through the fixed frock of the assembly fixture of this application and fastening frock can realize that first waiting to assemble the part and the second waits to assemble the function of part ascending assembly and fastening in vertical direction to, because fixed frock is fixed on the workstation, when the centre gripping is improper, first waiting to assemble the part or the second waits to assemble the part and drops and have fixed frock bearing, can not drop wounded people. Meanwhile, the fastening tool is located above the fixing tool, fixedly connected with the second to-be-assembled component and combined with the bearing effect of the fixing tool, the fastening tool is free of falling risks, improper operation is avoided, and the risk that the fastening tool falls to hurt people is avoided.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic structural view of an embodiment of an air duct of an arc chamber of a circuit breaker according to the prior art;

fig. 2 shows a schematic overall structural view of an embodiment of the assembly fixture according to the present invention;

fig. 3 shows a top view of the fixing tool of the assembly tool according to the present invention;

FIG. 4 shows a schematic view of the welding of the arc plate and the locking plate in region I of the fixing tool according to FIG. 3;

FIG. 5 shows a schematic view of the welding of the arc plate to the hinge part in area II of the fixing tool according to FIG. 3;

fig. 6 shows a side view in the direction a in the fixing tool according to fig. 3;

fig. 7 shows a front view of the fixing tool of the assembly tool according to the present invention;

fig. 8 shows a top view of a fastening tool of an assembly tool according to the present invention;

fig. 9 shows a schematic structural view of a section B-B of the fastening tool according to fig. 8.

Wherein the figures include the following reference numerals:

10', an air duct; 20', moving arc contacts; 30', an auxiliary spray head; 40', a cylinder block;

100. a first component to be assembled; 200. a second component to be assembled; 300. a work table; 10. fixing a tool; 11. a first connection portion; 111. a first clamping member; 112. a second clamping member; 110. a hinge member; 1101. a first connecting arm; 1102. a second connecting arm; 113. a locking member; 114. a locking plate; 1130. a screw section; 1131. a nut portion; 115. an arc-shaped plate; 116. a cushion pad; 12. a second connecting portion; 120. mounting holes; 20. fastening a tool; 21. a fastening section; 210. a fastening plate; 211. a plug pin; 30. a drive section; 31. an operating structure; 32. and avoiding the cavity.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 2 to 9, the present invention provides an assembly fixture for assembling a first component to be assembled 100 and a second component to be assembled 200 which are connected by a screw thread, the assembly fixture includes: the fixture 10 comprises a first connecting part 11 fixedly connected with the first part to be assembled 100 and a second connecting part 12 connected with the workbench 300, wherein the first connecting part 11 is connected with the second connecting part 12 so as to fix the first part to be assembled 100 relative to the workbench 300 through the fixture 10; and a fastening tool 20, wherein the fastening tool 20 is provided with a fastening part 21, and the fastening part 21 is supported above the second component to be assembled 200 and is fixedly connected with the second component to be assembled 200 so as to enable the second component to be assembled 200 to rotate relative to the first component to be assembled 100 by rotating the fastening part 21.

The assembly fixture of the utility model comprises a fixing fixture 10 and a fastening fixture 20, wherein the fixing fixture 10 comprises a first connecting part 11 fixedly connected with a first part to be assembled 100 relatively and a second connecting part 12 connected with a workbench 300, the first connecting part 11 is connected with the second connecting part 12, so that the first part to be assembled 100 is fixed relative to the workbench 300 through the fixing fixture 10; the fastening tool 20 has a fastening portion 21, and the fastening portion 21 is supported above the second to-be-assembled member 200 and is fixedly connected to the second to-be-assembled member 200 so as to rotate the second to-be-assembled member 200 relative to the first to-be-assembled member 100 by rotating the fastening portion 21. Through the fixed frock 10 and the fastening frock 20 of the assembly fixture of this application can realize that first waiting to assemble part 100 and second wait to assemble part 200 the function of ascending assembly and fastening in vertical direction to, because fixed frock 10 is fixed on the workstation, when the centre gripping is improper, first waiting to assemble part 100 or second wait to assemble part 200 and drop and have fixed frock 10 bearing, can not drop and injure the people. Meanwhile, the fastening tool 20 is located above the fixing tool 10, the fastening tool 20 is fixedly connected with the second component to be assembled 200, and the fastening tool 20 does not have the risk of falling due to the bearing effect of the fixing tool 10, so that the risk that the fastening tool 20 falls and hurts people due to improper operation is avoided.

In an embodiment of the present invention, the first component to be assembled 100 is an air duct, and the second component to be assembled 200 is a moving arc contact.

Specifically, the first connecting portion 11 includes a clamping assembly having a clamping cavity for clamping the first part to be assembled 100 to be fitted with an outer wall surface of the first part to be assembled 100 through an inner wall surface of the clamping cavity to clamp the first part to be assembled 100; at least part of the clamping assembly is movably arranged to clamp or release the first part to be assembled 100.

As shown in fig. 3, the first connection portion 11 includes: a first clamping part 111 and a second clamping part 112, wherein the first clamping part 111 and the second clamping part 112 are used for connecting with the first part to be assembled 100, and the second connecting part 12 is connected with the first clamping part 111 or the second clamping part 112; wherein the position between the first clamping part 111 and the second clamping part 112 is adjustably arranged to clamp or release the first part to be assembled 100.

Specifically, the first clamping member 111 and the second clamping member 112 form a clamping assembly, so that a clamping cavity is enclosed by the first clamping member 111 and the second clamping member 112.

Specifically, the first connection portion 11 further includes: the hinge member 110, a first connecting arm 1101 of the hinge member 110 is connected to a first end of the first clamping member 111, and a second connecting arm 1102 of the hinge member 110 is connected to a first end of the second clamping member 112, so as to be rotatably disposed between the first clamping member 111 and the second clamping member 112 through the hinge member 110 to clamp or release the first member to be assembled 100. The hinge component is adopted for opening and closing the first clamping component 111 and the second clamping component 112, so that the rotation between the first clamping component 111 and the second clamping component 112 is convenient.

In an embodiment of the present invention, the first connecting arm 1101 of the hinge member 110 is welded to the first end of the first clamping member 111, and the second connecting arm 1102 of the hinge member 110 is welded to the first end of the second clamping member 112.

Specifically, the first connection portion 11 further includes: and a locking member 113, the locking member 113 being coupled to both the second end of the first holding member 111 and the second end of the second holding member 112, so that the second end of the first holding member 111 and the second end of the first holding member 111 are detachably coupled by the locking member 113. The hinge part 110 is adopted for opening and closing the first clamping part 111 and the second clamping part 112, so that the locking part 113 is slightly loosened to realize the putting in and taking out of the first part to be assembled 100, and the assembling efficiency is high.

Specifically, the second end of the first clamping member 111 and the second end of the second clamping member 112 are provided with locking plates 114, and each locking plate 114 is provided with a locking hole matched with the locking member 113; the locking member 113 includes a screw portion 1130 and a nut portion 1131, which are engaged with each other, the screw portion 1130 is sequentially inserted into the locking holes of the locking plates 114 of the first clamping member 111 and the second clamping member 112, and the nut portion 1131 is threadedly engaged with the screw portion 1130 to fasten the first clamping member 111 and the second clamping member 112, thereby clamping the first component to be assembled 100.

Specifically, the locking member 113 includes a screw (screw portion 1130) having a size of M12 × 40 and a nut (nut portion 1131) having a size of M10.

Specifically, the locking plate 114 is made of Q235 material.

In the embodiment of the present invention, after the first clamping member 111 and the second clamping member 112 are fastened by the locking member 113, the first connecting arm 1101 of the hinge member 110 is welded to the first end of the first clamping member 111, and the second connecting arm 1102 of the hinge member 110 is welded to the first end of the second clamping member 112.

Specifically, the first and second clamp members 111 and 112 are made of Q235 material. The hinge member 110 is adapted to the size of the first and second clamping members 111 and 112.

As shown in fig. 3 to 5, each of the first clamping member 111 and the second clamping member 112 includes an arc-shaped plate 115 for fitting to the outer peripheral surface of the first part to be assembled 100 so as to adapt to the outer wall shape of the airway tube (the first part to be assembled 100) through the arc-shaped plate 115, a welding surface is provided on the arc-shaped plate 115, and the locking plate 114 is connected to and welded to the welding surface.

Specifically, the first clamping member 111 and the second clamping member 112 are formed by machining tubular members, the tubular members are standard profiles, and the size of the tubular members is selected according to the size of the airway tube (the first part to be assembled 100).

Preferably, an inner wall surface of the first clamping member 111 and/or the second clamping member 112 is provided with a cushion 116 to contact the first part to be assembled 100 through the cushion 116. In this way, during the assembly process, it is possible to avoid the surface of the first part to be assembled 100 being scratched by the fixing tool 10 when the first part to be assembled 100 is clamped.

Specifically, the cushion pad 116 is made of a rubber material, and the cushion pad 116 is adhered to the inner wall surface of the first clamping member 111 and/or the second clamping member 112 with a high-strength glue.

Specifically, assembly fixture still includes: and the driving device is respectively connected with the first clamping part 111 and the second clamping part 112 in a driving mode so as to respectively drive the first clamping part 111 and the second clamping part 112 to move or clamp the first part to be assembled 100.

Specifically, the driving device includes a driving motor, and an output shaft of the driving motor is in driving connection with a hinge of the first clamping member 111 and the second clamping member 112.

In another embodiment of the present invention, at least a portion of the first connecting portion 11 is plugged and/or snapped with the first component to be assembled 100 to maintain relative fixation with the first component to be assembled 100. Alternatively, the first connecting portion 11 is a rod-like structure.

As shown in fig. 3, the second connecting portion 12 is a connecting plate, and the connecting plate is provided with a mounting hole 120 so as to be mounted on the workbench 300 by a fastener inserted into the mounting hole 120.

Specifically, the second connection portion 12 is made of a Q235 material, wherein the second connection portion 12 and the first connection portion 11 are welded together.

The utility model discloses an in the embodiment, will fix frock 10 and install the edge at workstation 300 through the fastener of wearing to establish in mounting hole 120 to make the unsettled setting of first connecting portion 11.

Specifically, the mounting holes 120 and the fasteners are provided in plural numbers, and the plural mounting holes 120 and the plural fasteners are provided in one-to-one correspondence, so that the second connecting portion 12 is securely mounted. Wherein the plurality of mounting holes 120 are evenly distributed on the connection plate.

As shown in fig. 9, the fastening tool 20 further includes: the driving portion 30, the driving portion 30 is fixedly connected with the fastening portion 21, and an operation structure 31 for connecting with an operation member is disposed on the driving portion 30, so that the driving portion 30 is driven to rotate by the operation structure 31.

Specifically, the driving portion 30 is a plate structure, the plate structure has an avoiding cavity 32, an opening of the avoiding cavity 32 is disposed toward the second component to be assembled 200, so as to avoid an auxiliary nozzle of the moving arc contact (the second component to be assembled 200) through the avoiding cavity 32; and/or the operation structure 31 is an operation protrusion protruding from the driving part 30 or an operation hole provided on the driving part 30.

The embodiment of the utility model provides an in, operation structure 31 is protruding in drive portion 30's operation arch, the protruding one side protrusion of keeping away from fastening portion 21 of orientation of operation, operating means is moment spanner or sleeve, so that moment spanner or sleeve cover establish on the operation arch, so as to drive the protruding rotation of operation through turning moment spanner or sleeve, drive whole drive portion 30 and rotate, thereby realize moving the rotation of the cylinder block in the arcing contact (the second is treated the assembly part 200) outside, it is rotatory to realize that the cylinder block drives moving the arcing contact, thereby realize moving the arcing contact and fasten with the air duct. Wherein the operation protrusion is welded with the driving part 30.

Alternatively, the operation structure 31 is a square operation hole, and the torque wrench is inserted into the square operation hole for operation.

Alternatively, the operation member is a driving motor, the operation structure 31 is an operation hole, and an output shaft of the driving motor is inserted into the operation hole to drive the entire driving part 30 to rotate by the driving motor.

Specifically, at least a part of the plate structure of the driving part 30 is a curved plate structure, wherein the curvature of the curved plate structure of the driving part 30 and the height of the entire driving part 30 match the size of the auxiliary nozzle of the moving arc contact (second to-be-fitted member 200).

Specifically, the fastening portion 21 includes a fastening plate 210 for positioning on the second component to be assembled 200, and a plug pin 211 provided on the fastening plate 210 and disposed toward the second component to be assembled 200 such that the plug pin 211 is inserted into the plug hole of the second component to be assembled 200.

Specifically, the plug pin 211 is inserted into a through hole of the cylinder block between the moving arc contact (the second part to be assembled 200) and the gas guide tube (the first part to be assembled 100). The fastening plate 210 is dimensioned to match the size of the cylinder block between the gas ducts (first component to be assembled 100).

Specifically, the fastening plate 210 is provided with a through hole through which the insertion pin 211 passes, and the outer periphery of the insertion pin 211 is in interference fit with the inner wall surface of the through hole.

In the embodiment of the present invention, after the insertion pin 211 is inserted into the through hole of the fastening plate 210, spot welding is performed around the insertion pin 211 on the fastening plate 210 to enhance the connection strength between the insertion pin 211 and the fastening plate 210.

Specifically, the driving part 30, the operating structure 31, the fastening plate 210 and the insertion pin 211 are all made of 45# steel.

Specifically, the driving part 30 is welded with the fastening plate 210.

The utility model provides an assembly fixture adopts fixed frock 10 and the two cooperation of fastening frock 20, realizes the vertical assembly of air duct (first waiting to assemble part 100) and moving arc contact (second waiting to assemble part 200), after tentatively assembling air duct and moving arc contact, uses fixed frock 10 to fix the assembly body that tentatively assembled. Fastening tool 20 is used above the assembly body for fastening, so that unsafe factors of transverse assembly fastening can be reduced, and the working efficiency is improved. The fixing tool 10 is directly fixed on the workbench 300 and does not need to be moved frequently, the fastening tool 20 is designed according to the appearance of an assembly body, and the fixing tool has the advantages of light weight, low operation difficulty, simple manufacturing process and reliable performance besides meeting the strength required by fastening torque.

Alternatively, the design of the clamping position may have various forms, and the shape of the second connecting portion 12, the position of the mounting hole 120 and the size of the mounting hole 120 may have various forms, while ensuring that the inner diameter of the clamping cavity formed by the first clamping part 111 and the second clamping part 112 of the fixing tool 10 matches the airway; the thicknesses of the first clamping part 111 and the second clamping part 112, the cushion pad 116 and the second connecting part 12 can be selected from other sizes under the condition of meeting the strength requirement, so that the sizes of different parts are changed, and the clamp can be used for assembling and disassembling the gas guide tube and the moving arc contact of the breaker of GIS equipment with different types, such as 550kV, 800kV, 1100kV and the like and similar structures.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the assembly fixture of the utility model comprises a fixing fixture 10 and a fastening fixture 20, wherein the fixing fixture 10 comprises a first connecting part 11 fixedly connected with a first part to be assembled 100 relatively and a second connecting part 12 connected with a workbench 300, the first connecting part 11 is connected with the second connecting part 12, so that the first part to be assembled 100 is fixed relative to the workbench 300 through the fixing fixture 10; the fastening tool 20 has a fastening portion 21, and the fastening portion 21 is supported above the second to-be-assembled member 200 and is fixedly connected to the second to-be-assembled member 200 so as to rotate the second to-be-assembled member 200 relative to the first to-be-assembled member 100 by rotating the fastening portion 21. Through the fixing tool 10 and the fastening tool 20 of the assembling tool, the functions of assembling and fastening the first to-be-assembled component 100 and the second to-be-assembled component 200 in the vertical direction can be achieved, and due to the fact that the fixing tool 10 is fixed on the workbench, when clamping is improper, the first to-be-assembled component 100 or the second to-be-assembled component 200 drops to be provided with a bearing of the fixing tool 10, and the first to-be-assembled component 100 or the second to-be-assembled component 200 cannot drop to hurt people. Meanwhile, the fastening tool 20 is located above the fixing tool 10, the fastening tool 20 is fixedly connected with the second component to be assembled 200, and the fastening tool 20 does not have the risk of falling under the supporting effect of the fixing tool 10, so that the risk that the fastening tool 20 falls off and hurts people is avoided due to improper operation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An assembly fixture for assembling a first to-be-assembled part (100) and a second to-be-assembled part (200) of a threaded connection, the assembly fixture comprising:

the fixture (10) comprises a first connecting part (11) and a second connecting part (12), wherein the first connecting part (11) is fixedly connected with the first part to be assembled (100) relatively, the second connecting part (12) is connected with a workbench (300), and the first connecting part (11) is connected with the second connecting part (12) so that the first part to be assembled (100) is fixed relative to the workbench (300) through the fixture (10);

the fastening tool (20) is provided with a fastening part (21), and the fastening part (21) is supported above the second component to be assembled (200) and is fixedly connected with the second component to be assembled (200) so that the second component to be assembled (200) can rotate relative to the first component to be assembled (100) by rotating the fastening part (21).

2. The assembly tooling of claim 1, wherein the first connecting portion (11) comprises:

a first clamping member (111) and a second clamping member (112), the first clamping member (111) and the second clamping member (112) each being for connection with the first part to be assembled (100), the second connecting portion (12) being connected with the first clamping member (111) or the second clamping member (112);

wherein a position between the first clamping part (111) and the second clamping part (112) is adjustably arranged to clamp or release the first part to be assembled (100).

3. The assembly tooling of claim 2, wherein the first connecting portion (11) further comprises:

the hinge component (110), the first connecting arm (1101) of hinge component (110) with the first end of first centre gripping part (111) is connected, the second connecting arm (1102) of hinge component (110) with the first end of second centre gripping part (112) is connected, in order to pass through hinge component (110) makes first centre gripping part (111) with rotationally set up between second centre gripping part (112), in order to centre gripping or release first part to be assembled (100).

4. The assembly tooling of claim 3, wherein the first connecting portion (11) further comprises:

a retaining member (113), the retaining member (113) being connected to both the second end of the first holding member (111) and the second end of the second holding member (112) so that the second end of the first holding member (111) and the second end of the first holding member (111) are detachably connected by the retaining member (113).

5. The assembly tool of claim 4,

the second end of the first clamping part (111) and the second end of the second clamping part (112) are provided with locking plates (114), and each locking plate (114) is provided with a locking hole matched with the locking piece (113);

the locking piece (113) comprises a screw portion (1130) and a nut portion (1131) which are matched with each other, the screw portion (1130) is sequentially arranged in a locking hole of the locking plate (114) of the first clamping part (111) and the second clamping part (112) in a penetrating mode, and the nut portion (1131) is in threaded fit with the screw portion (1130) to fasten the first clamping part (111) and the second clamping part (112).

6. The assembly tool according to claim 5, characterized in that the first clamping part (111) and the second clamping part (112) each comprise an arc-shaped plate (115) for matching with the outer peripheral surface of the first part to be assembled (100), a welding surface is arranged on the arc-shaped plate (115), and the locking plate (114) is connected with and welded to the welding surface.

7. The assembly tooling of any one of claims 1 to 6, wherein the second connecting portion (12) is a connecting plate provided with a mounting hole (120) for mounting on the worktable (300) by a fastener inserted into the mounting hole (120).

8. The assembly tooling of any one of claims 1 to 6, wherein the fastening tooling (20) further comprises:

the driving part (30), the driving part (30) with fastening portion (21) fixed connection, be provided with on driving part (30) and be used for with the operation structure (31) of operating member connection, with through operation structure (31) drive the rotation of driving part (30).

9. The assembly tool of claim 8,

the driving part (30) is of a plate body structure, the plate body structure is provided with an avoiding cavity (32), and an opening of the avoiding cavity (32) is arranged towards the second part to be assembled (200); and/or

The operation structure (31) is an operation protrusion protruding from the driving part (30) or an operation hole arranged on the driving part (30).

10. The assembly tooling of any one of claims 1 to 6,

the fastening portion (21) comprises a fastening plate (210) and an inserting pin (211), the fastening plate (210) is used for being positioned on the second to-be-assembled component (200), the inserting pin (211) is arranged on the fastening plate (210) and faces the second to-be-assembled component (200), and therefore the inserting pin (211) is inserted into an inserting hole of the second to-be-assembled component (200).

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