A flip support welding fixing device

Abstract

The present invention discloses a flip-type support welding fixture, comprising a welding fixture, an assembly buffer rack located beside the welding fixture, and a welding machine coordinated with the welding fixture; the welding fixture is located above a pit on the workshop floor, and comprises a rotary drive mechanism located at the edge of the pit, and an assembly rack mechanism located on the rotary drive mechanism, the assembly rack mechanism facing the pit; the assembly rack mechanism comprises a main frame mechanism located on the rotary drive mechanism, and a longitudinal pressing mechanism located on the main frame mechanism; the assembly buffer rack comprises a buffer rack frame, and anti-wear blocks located on the top surface of the buffer rack frame. The present invention aims to solve the problems of low specialization, complicated processes, high labor intensity, and waste of manpower in the prior art.

Description

Technical Field

[0001] The present invention relates to a manufacturing device for a traveling support, and more particularly to a flip-type support welding and fixing device. Background Art

[0002] Traveling support is an important component of large steel structure manufacturing projects such as quay cranes and bulk cargo. Figure 1 As shown, its structure is generally composed of a thick base plate 1, ear plate assembly 2, thin base plate 3, and rib plate 4, and is made of CNC steel plates with a thickness of 14mm to 60mm. The manufacturing process of the walking support is as follows Figure 2 and Figure 3 The specific steps are as follows:

[0003] S1, assembling the thick base plate 1 and the ear plate assembly 2 into a T-shaped structure at the T-shaped structure manufacturing station;

[0004] S2, assembling the two T-shaped structures and the thin base plate 3 to form a U-shaped structure;

[0005] S3. Use a semi-automatic submerged arc welding machine to perform front welding on the combined seam on the U-shaped structure;

[0006] S4. Use the workshop crane to flip the U-shaped structure 180 degrees and then place it on a special stand (the purpose of the stand is to ensure that the bottom plate of the U-shaped structure is parallel to the ground);

[0007] S5. Use a semi-automatic submerged arc welding machine to perform back welding on the combined seam on the U-shaped structure;

[0008] S6. Level and correct the welded U-shaped structure by pyrotechnic baking;

[0009] S7, install and weld the rib plate 4, and finally form it into a walking support, such as Figure 4 shown.

[0010] The disadvantages of the above operation mode are low degree of specialization, complicated process, high labor intensity, and relative waste of manpower. Summary of the Invention

[0011] In view of the above-mentioned defects existing in the prior art, the purpose of the present invention is to provide a flip support welding and fixing device to solve the problems of low specialization, complicated process, high labor intensity and waste of manpower in the prior art.

[0012] To achieve the above object, the present invention adopts the following technical solutions:

[0013] A flip-type support welding fixture, characterized by comprising a welding fixture, an assembly buffer rack arranged beside the welding fixture, and a welding machine matched with the welding fixture;

[0014] The welding fixture is arranged above the pit on the workshop floor, and includes a rotary drive mechanism arranged at the edge of the pit, and an assembly rack mechanism arranged on the rotary drive mechanism, wherein the assembly rack mechanism faces the top of the pit;

[0015] The rotary drive mechanism includes a driving support assembly provided at one side of the pit, and a fixed support assembly opposite to the driving support assembly and provided at another side of the pit;

[0016] The assembly frame mechanism includes a main frame mechanism provided on the rotation drive mechanism, and a longitudinal pressing mechanism provided on the main frame mechanism;

[0017] The assembled cache rack includes a cache rack frame and an anti-wear block arranged on the top surface of the cache rack frame.

[0018] Preferably, the drive-type support assembly includes a drive assembly, a first support body, a drive gear, a first guide seat and a driven gear;

[0019] The first guide seat is provided in the middle of the first support body, and the driving gear and the driven gear are also provided on the first support body and are respectively located on both sides of the first guide seat;

[0020] The output side of the driving assembly is connected to the driving gear.

[0021] Preferably, the fixed support assembly includes a second support body, a second guide seat and a roller;

[0022] The second guide seat is arranged in the middle position of the second support body. There are two rollers, both of which are arranged on the second support body and are respectively located at two sides of the second guide seat.

[0023] Preferably, the main frame mechanism includes a main frame, a longitudinal pressing mechanism driving device, a transverse pressing device, a supporting wheel device and a supporting gear device;

[0024] The longitudinal pressing mechanism driving device is arranged at the front and rear sides of the main frame;

[0025] The transverse pressing device is arranged at the middle position between the left and right sides of the main frame;

[0026] The supporting wheel device and the supporting gear device are respectively arranged on the left and right sides of the main frame.

[0027] Preferably, the longitudinal pressing mechanism driving device includes a longitudinal driving screw, a longitudinal driving screw pair, a thrust ball bearing and a bearing cover;

[0028] The thrust ball bearings are embedded in the front and rear positions of the main frame;

[0029] A longitudinal drive screw pair is sleeved on the longitudinal drive screw, one end of the longitudinal drive screw is fixed on the thrust ball bearing, and the other end is located in the main frame;

[0030] The bearing pressure covers are arranged on the front and rear side surfaces of the main frame to seal the thrust ball bearing.

[0031] Preferably, the transverse pressing device includes a transverse drive screw, a transverse drive wire support frame, a pressure claw, a transverse drive screw pair, a thrust ball bearing and a rotating handle;

[0032] The thrust ball bearings are embedded in the left and right sides of the main frame;

[0033] The transverse drive screw penetrates into the thrust ball bearing, the transverse drive screw pair is sleeved on the transverse drive screw and is located outside the main frame, and the rotary handle is connected to the transverse drive screw pair;

[0034] The transverse driving wire support frame is connected to the transverse driving screw and is located on the inner side of the main frame, and the pressure claw is arranged on the transverse driving wire support frame.

[0035] Preferably, the support wheel device includes an axle head provided on the main frame and a support wheel body sleeved on the axle head;

[0036] The supporting wheel body is fixed by a guide copper sleeve and a guide hemisphere.

[0037] Preferably, the supporting gear device includes a shaft head provided on the main frame and a supporting gear body sleeved on the shaft head;

[0038] The supporting gear body is fixed by a guide copper sleeve and a guide hemisphere.

[0039] Preferably, the longitudinal pressing mechanism comprises two support racks, each of which is provided with a longitudinal pressing device;

[0040] The support shelves are respectively arranged at the front and rear sides of the main frame, corresponding to the longitudinal pressing mechanism driving device;

[0041] The longitudinal pressing device includes a longitudinal drive screw support frame, a pressure claw, a longitudinal drive screw, a thrust ball bearing, a longitudinal drive screw pair and a screw pair rotating handle;

[0042] The thrust ball bearing is embedded in the support shelf;

[0043] The longitudinal drive screw is inserted into the thrust ball bearing, the longitudinal drive screw pair is sleeved on the longitudinal drive screw and is located on the outside of the support shelf, and the screw pair rotation handle is connected to the longitudinal drive screw pair;

[0044] The longitudinal drive screw support frame is connected to the longitudinal drive screw and is located on the inner side of the support shelf, and the pressure claw is arranged on the longitudinal drive screw support frame.

[0045] Preferably, the cache rack frame includes a cache rack frame;

[0046] The anti-wear blocks are provided with two pieces, which are respectively fixed on the top surfaces of the front and rear sides of the cache rack frame by anti-wear block fastening screws.

[0047] The present invention provides a flip-type support welding fixture that effectively overcomes deformation of structural components caused by localized high temperatures during welding. It allows for rapid adjustment of the relative position of the travel support and welding equipment to fully meet optimal welding requirements, while simultaneously replacing the traditional method of hoisting and flipping with a workshop crane. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 Schematic diagram of an existing walking support, wherein (a) is an assembled diagram and (b) is an exploded diagram;

[0049] Figures 2 to 4 It is a schematic diagram of the manufacturing flow chart of the existing walking support;

[0050] Figure 5 It is a structural schematic diagram of the flip support welding and fixing device of the present invention;

[0051] Figure 6 It is a structural schematic diagram of the welding and fixing device in the flip-type support welding and fixing device of the present invention;

[0052] Figure 7 yes Figure 6 Schematic diagram of the structure of the rotary drive mechanism;

[0053] Figure 8 yes Figure 7 Exploded diagram of the mid-drive support assembly;

[0054] Figure 9 yes Figure 8 A schematic diagram of the structure of the first support body;

[0055] Figure 10 yes Figure 8 A schematic structural diagram of the first guide seat;

[0056] Figure 11 yes Figure 8 Explosion diagram of the second guide seat;

[0057] Figure 12 yes Figure 6 Schematic diagram of the structure of the middle assembly rack mechanism;

[0058] Figure 13 yes Figure 12 Schematic diagram of the structure of the main frame mechanism;

[0059] Figure 14 yes Figure 13 Exploded diagram of the main frame;

[0060] Figure 15 yes Figure 13 An exploded diagram of the drive device of the longitudinal clamping mechanism;

[0061] Figure 16 yes Figure 13 Exploded diagram of the middle transverse clamping device;

[0062] Figure 17 yes Figure 13 Explosion diagram of the middle support wheel device;

[0063] Figure 18 yes Figure 13 Exploded diagram of the middle support gear unit;

[0064] Figure 19 yes Figure 12 Schematic diagram of the structure of the longitudinal pressing mechanism;

[0065] Figure 20 yes Figure 19 Exploded diagram of the middle support shelf;

[0066] Figure 21 yes Figure 19 Explosion diagram of the longitudinal clamping device;

[0067] Figure 22 This is a schematic structural diagram of an assembly buffer rack in a flip-type support welding fixture of the present invention;

[0068] Figures 23 to 39 It is a schematic diagram of the use process of the flip support welding and fixing device of the present invention. DETAILED DESCRIPTION

[0069] In order to better understand the above technical solutions of the present invention, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments.

[0070] Combine Figure 5 As shown, the present invention provides a flip support welding and fixing device, which includes a welding and fixing device 1, an assembly buffer rack 2 arranged next to the welding and fixing device 1, and a special welding machine 3 matched with the welding and fixing device 1. The special welding machine 3 is a finished product equipment and will not be described in detail here.

[0071] Combine Figure 6 As shown, the welding fixture 1 adopts a semi-pit layout mode and is arranged above the pit on the workshop floor. It includes a rotary drive mechanism 4 arranged at the edge of the pit, and an assembly frame mechanism 5 arranged on the rotary drive mechanism 4, and the assembly frame mechanism 5 is directly above the pit.

[0072] Combine Figure 7 As shown, the rotary drive mechanism 4 includes a driven support assembly 6 located at one side of the pit, and a fixed support assembly 7 located at the other side of the pit opposite the driven support assembly 6. Both the driven support assembly 6 and the fixed support assembly 7 are bolted to a flange base, which is welded to the pre-buried iron of the workshop floor.

[0073] The rotation drive mechanism 4 has two functions: one is to carry the assembly frame mechanism 5; the other is to drive the assembly frame mechanism 5 to rotate around the axis.

[0074] Combine Figure 8 As shown, the driven support assembly 6 includes a driving assembly 8 (including a driving motor and a reducer), a first support body 9 , a driving gear 10 , a first guide seat 11 and a driven gear 12 .

[0075] The first guide seat 11 is installed in the middle position of the first support body 9 through the guide seat fastening screws 13, and the drive shaft 14 and the gear shaft 15 are respectively installed on the first support body 9 at the two sides of the first guide seat 11.

[0076] Cylindrical roller bearings 16 are also installed at the positions where the drive shaft 14 and the gear shaft 15 are installed on the first support body 9 to enable the drive shaft 14 and the gear shaft 15 to rotate.

[0077] A coupling key 17 and a drive shaft key 18 are installed on the drive shaft 14 to respectively connect the coupling 19 and the drive gear 10. The coupling 19 is connected to the output side of the drive assembly 8 through the reducer connecting key 20, so that the drive assembly 8 drives the drive shaft 14 and the drive gear 10 to rotate.

[0078] The bearing gland 22 is fixed at the position where the drive shaft 14 is installed on the first support body 9 by means of gland fastening screws 21 to prevent the cylindrical roller bearing 16 at this position from moving.

[0079] The position where the gear shaft 15 is installed on the first support body 9 is also provided with a hole retaining ring 23 to prevent the cylindrical roller bearing 16 at this position from moving. Simultaneously, an axis clamping plate 25 is also provided by a clamping plate fastening screw 24.

[0080] The driving support assembly 6 has three functions: first, supporting the assembly frame mechanism 5; second, driving the assembly frame mechanism 5 to rotate around the axis; and third, using the first guide seat 11 therein to guide the assembly frame mechanism 5 into position smoothly.

[0081] Combine Figure 9 As shown, the first support body 9 includes a base plate 26, ear plates 27, a bearing seat 28, and a guide seat mounting bracket 29. The ear plates 27 are two identical pieces, symmetrically mounted on the upper surface of the base plate 26. The guide seat mounting bracket 29 is mounted in the middle of the outer side of either ear plate 27 to mount the first guide seat 11. The bearing seat 28 is mounted on the ear plates 27 to mount the drive shaft 14.

[0082] The function of the first support body 9 is to install and carry all components related to the first support body 9.

[0083] Combine Figure 10 As shown, a fixing flange plate 30 is provided at the lower portion of the first guide seat 11, and the fixing flange plate 30 is mounted on the guide seat mounting bracket 29. A guide groove 31 is provided on the first guide seat 11.

[0084] The first guide seat 11 has two functions: one is to guide the assembly frame mechanism 5 to be smoothly positioned when the assembly frame mechanism 5 is placed on the rotary drive mechanism 4; the other is to limit the front, back, left, and right movement of the assembly frame mechanism 5 so that it can only perform rotational movement around the axis.

[0085] Combine Figure 11 As shown, the fixed support assembly 7 includes a second support body 32 , a second guide seat 33 and a roller 34 .

[0086] The second support body 32 is similar to the first support body 9 and also includes a base plate, ear plates and a guide seat mounting bracket. The ear plates have two identical pieces and are symmetrically mounted on the upper surface of the base plate. The guide seat mounting bracket is mounted in the middle position of the outer side of either ear plate.

[0087] The second guide seat 33 is installed on the guide seat mounting bracket through the guide seat fastening screws 35. There are two rollers 34 (steel), both of which are installed between the two ear plates through roller shafts 36. The roller shafts 36 are correspondingly equipped with cylindrical roller bearings 37 and hole retaining rings 38.

[0088] A shaft clamping plate 40 is also mounted on the roller shaft 36 via a clamping plate fastening screw 39 .

[0089] The second support body 32 also supports the assembly frame mechanism 5 .

[0090] Combine Figure 12 As shown, the assembly frame mechanism 5 includes a main frame mechanism 41 provided on the rotation drive mechanism 4 and a longitudinal pressing mechanism 42 provided on the main frame mechanism 41 .

[0091] The assembly frame mechanism 5 has three functions: first, it serves as an assembly platform for the traveling support; second, it serves as an anti-deformation fixture for the traveling support during welding; and third, it serves as a carrier for the traveling support during welding or movement.

[0092] Combine Figure 13 As shown, the main frame mechanism 41 includes a main frame 43, a longitudinal pressing mechanism driving device 44, a transverse pressing device 45, a supporting wheel device 46 and a supporting gear device 47.

[0093] The longitudinal pressing mechanism driving devices 44 are respectively arranged at the front and rear sides of the main frame 43.

[0094] The lateral pressing devices 45 are respectively arranged at the middle positions of the left and right sides of the main frame 43.

[0095] The supporting wheel device 46 and the supporting gear device 47 are also respectively arranged on the left and right sides of the main frame 43 , corresponding to the positions of the transverse pressing device 45 .

[0096] The main frame mechanism 41 is used to install the longitudinal pressing mechanism 42 and to carry the traveling support to be assembled (and welded).

[0097] Combine Figure 14 As shown, the main frame 43 includes a main frame body 48, a frame connecting support 49 connected to the front and rear positions of the main frame body 48, a lateral adjustment screw mounting flange 50 connected to the upper surface of the left and right middle positions of the main frame body 48, and a lifting ear plate 52 connected to the left and right outer sides of the main frame body 48.

[0098] A shaft head 51 for mounting the supporting wheel device 46 and the supporting gear device 47 is provided at the middle position of the left and right outer sides of the main frame body 48 .

[0099] The frame connecting support 49 is fixed to the front and rear positions of the main frame body 48 by means of connecting support fastening screws 53 , and a longitudinal clamping mechanism driving device screw mounting flange 54 is provided at the middle position of the frame connecting support 49 .

[0100] The upper surfaces of the left and right sides of the main frame body 48 are further provided with fastening bolt limiting grooves 55 .

[0101] The main frame 43 is used to install and carry all the mechanism components related to the main frame 43 .

[0102] Combine Figure 15 As shown, the longitudinal pressing mechanism driving device 44 includes a longitudinal driving screw 56 , a longitudinal driving screw pair 57 , a thrust ball bearing 58 and a bearing pressure cover 59 .

[0103] The thrust ball bearing 58 is embedded in the screw mounting flange 54 of the longitudinal clamping mechanism drive device of the frame connecting support 49, and the longitudinal drive screw pair 57 is sleeved on the longitudinal drive screw 56. One end of the longitudinal drive screw 56 is fixed on the thrust ball bearing 58, and the other end faces the main frame body 48.

[0104] The bearing cover 59 is mounted on the longitudinal clamping mechanism drive device screw mounting flange 54 through the cover fastening screw 60 to prevent the thrust ball bearing 58 from moving.

[0105] The function of the longitudinal pressing mechanism driving device 44 is to drive the longitudinal pressing mechanism 42 to perform linear reciprocating motion along the length direction of the main frame 43.

[0106] Combine Figure 16 As shown, the transverse pressing device 45 includes a transverse driving screw 61 , a transverse driving screw support frame 62 , a pressure claw 63 , a transverse driving screw pair 64 , a thrust ball bearing 65 and a rotating handle 66 .

[0107] The transverse drive screw pair 64 is mounted on the transverse adjustment screw mounting flange 50 of the main frame body 48 through a thrust ball bearing 65 .

[0108] The transverse drive screw 61 penetrates the thrust ball bearing 65 and the transverse drive screw pair 64. The transverse drive screw pair 64 is located outside the main frame body 48. The rotating handle 66 is connected to the transverse drive screw pair 64 through the transverse drive screw pair connecting key 67.

[0109] The transverse drive wire support frame 62 is connected to the transverse drive screw 61 and faces the main frame body 48 , and the pressure claw 63 is installed on the transverse drive wire support frame 62 through the pressure claw fastening bolt 67 and the pressure claw fastening nut 68 .

[0110] The transverse driving screw 61 is also covered with a shaft retaining ring 69 and a bearing gland 71 mounted on the transverse adjustment screw mounting flange 50 via gland fastening screws 70 to prevent the thrust ball bearing 65 from moving.

[0111] The function of the transverse pressing device 45 is to drive the thin base plate of the walking support in the assembled state to adjust its position transversely (in the width direction of the main frame 43).

[0112] Combine Figure 17 As shown, the support wheel device 46 includes a support wheel body 73 mounted on one side shaft head 51 through a support wheel connecting key 72.

[0113] Simultaneously, the support wheel body 73 is also provided with a shaft retaining ring 74, a guide copper sleeve 75 and a guide hemisphere 76 to be fixed and prevent the support wheel body 73 from moving. The guide hemisphere 76 is fixed by a hemisphere fastening screw 77.

[0114] The function of the supporting wheel device 46 is to support the assembly frame mechanism 5 .

[0115] Combine Figure 18 As shown, the support gear device 47 includes a support gear body 79 mounted on the other side shaft head 51 through a support gear connecting key 78.

[0116] Simultaneously, the support gear body 79 is also provided with a shaft retaining ring 80, a guide copper sleeve 81 and a guide hemisphere 82 to fix and prevent the support gear body 79 from moving. The guide hemisphere 82 is fixed by a hemisphere fastening screw 83.

[0117] The supporting gear device 47 has two functions: one is to support the assembly frame mechanism 5; the other is to enable the assembly frame mechanism 5 to drive the traveling support to rotate around the axis under the joint action of the supporting gear body 79 and the driving gear 10.

[0118] Combine Figure 19 As shown, the longitudinal pressing mechanism 42 includes two support racks 84 , and each support rack 84 is provided with a longitudinal pressing device 85 .

[0119] The support racks 84 are respectively arranged at the front and rear sides of the main frame 43 , corresponding to the longitudinal pressing mechanism driving device 44 .

[0120] The longitudinal clamping mechanism 42 has two functions: one is to place the traveling support that needs to be assembled and welded through the support shelf 84; the other is to clamp and fix the traveling support in the assembly state through the longitudinal clamping device 85.

[0121] Combine Figure 20 As shown, the support shelf 84 includes a support shelf body 91 , and both ends of the support shelf body 91 are mounted on the main frame body 48 via support shelf fastening screws 86 , which are located in the fastening bolt limiting grooves 55 .

[0122] A through hole for inserting the longitudinal drive screw 56 is provided on the side surface of the support shelf body 91 , and the longitudinal drive screw pair 88 is fixedly installed in the through hole via the longitudinal drive screw pair fastening screw 87 .

[0123] The top plate 89 is installed on the upper surface of the support shelf body 91 and is fixed by the top plate fixing screws 90.

[0124] The support rack 84 is used to mount and support all components associated with the support rack 84. The head plate 89 serves as a reference for positioning the traveling support during assembly. The head plate 89 also allows for quick adjustment and confirmation of the relative position, straightness, and parallelism of the T-shaped structure and the support base plate on the traveling support.

[0125] Combine Figure 21 As shown, the longitudinal pressing device 85 includes a longitudinal drive screw support frame 92, a pressure claw 93, a longitudinal drive screw 94, a thrust ball bearing 95, a longitudinal drive screw pair 96 and a screw pair rotating handle 97.

[0126] The longitudinal drive screw pair 96 is mounted on the support shelf 84 through the thrust ball bearing 95.

[0127] The longitudinal drive screw 94 is inserted into the thrust ball bearing 95, the longitudinal drive screw pair 96 is sleeved on the longitudinal drive screw 96 and is located on the outside of the support shelf 84, and the screw pair rotating handle 97 is connected to the longitudinal drive screw pair 96 through the longitudinal drive screw pair connecting key 98.

[0128] The longitudinal drive screw support frame 92 is connected to the longitudinal drive screw 94 and is located on the inner side of the support shelf 85. The pressure claw 93 is installed on the longitudinal drive screw support frame 92 through the pressure claw fastening bolt 99 and the pressure claw fastening nut 100.

[0129] A shaft retaining ring 101 is also provided on the longitudinal driving screw 94 , and a bearing gland 103 is installed on the outer surface of the support shelf 85 through a gland fastening screw 102 to prevent the thrust ball bearing 95 from moving.

[0130] The function of the longitudinal pressing device 85 is to press and fix the T-shaped structure of the traveling support in the assembled state and the welded state.

[0131] Combine Figure 22 As shown, the assembled cache rack 2 includes a cache rack frame 104 and an anti-wear block 105. The anti-wear block 105 has two strips, and the anti-wear block 105 is fixed on the top surface of the front and rear sides of the cache rack frame 104 respectively by anti-wear block fastening screws 106.

[0132] The function of the assembly cache rack 2 is to place the assembly rack mechanism 5 .

[0133] The specific use process of the flip support welding fixture of the present invention is as follows:

[0134] 1) Start the workshop crane to lift the assembly rack mechanism 5 and move it above the assembly cache rack 2, as shown in the following figure: Figure 23 As shown;

[0135] 2) Start the workshop crane to move the assembly rack mechanism 5 downward, and place the assembly rack mechanism 5 on the assembly buffer rack 2, as shown in FIG. Figure 24 As shown;

[0136] 3) Rotate the rotary handles 66 of the left and right transverse pressing devices 45 in the assembly frame mechanism 5 respectively, so that the left and right transverse pressing devices 45 move toward each other under the drive of the transverse driving screw 61, and then tightly press against the thin bottom plate 200 of the traveling support. Figure 25 and Figure 26 As shown;

[0137] 4) Use the left and right sets of lateral pressing devices 45 in the assembly frame mechanism 5 to press and fix the thin bottom plate 200 of the walking support, as shown in FIG. Figure 27 As shown;

[0138] 5) By adjusting the position of the top plate 89 of the support shelf 84 in the assembly rack mechanism 5, determine the parallelism of the top plate 89 of the left and right support shelf 84 and the center line of the thin bottom plate 200 of the walking support; by tightening the top plate fixing screws 90, the top plate 89 is fixed in place, as shown in FIG. Figure 28 As shown;

[0139] 6) Use a wrench to rotate the longitudinal drive screw 56 in the longitudinal clamping mechanism drive device 44 to drive the left and right longitudinal clamping mechanisms 42 to move toward each other, so as to adjust and determine the distance between the longitudinal clamping mechanism 42 and the thin base plate 200 of the walking support (edge ​​to edge is about 100 mm), and then use a wrench to tighten the support shelf fastening screw 86 to fix the longitudinal clamping mechanism 42. Figure 29 As shown;

[0140] 7) Use the workshop lifting equipment to lift the T-shaped structure 201 onto the assembly rack mechanism 5, and make one end of the T-shaped structure 201 close to the top plate 89, as shown in the figure. Figure 30 and Figure 31 As shown;

[0141] 8) Use the force rod to drive the screw pair of the longitudinal pressing mechanism 42 to rotate the handle 97 so that it drives the T-shaped structure 201 to move closer to the thin bottom plate 200 of the walking support. Figure 32 As shown;

[0142] 9) Fix the bottom of the T-shaped structure 201 by pressing the claws 93, as shown in FIG. Figure 33 As shown;

[0143] 10) Start the workshop lifting equipment and move the assembly frame mechanism 5 with the thin base plate 200 and the T-shaped structure 201 clamped to the top of the rotary drive mechanism 4, as shown in FIG. Figure 34 As shown;

[0144] 11) Start the workshop lifting equipment and drop the assembly rack mechanism 5 onto the rotary drive mechanism 4. Figure 35 As shown;

[0145] The supporting gear device 47 will automatically fall onto the driving gear 10 under the guidance of the first guide seat 11 and form a meshing relationship with the driving gear 10, such as Figure 36 The support wheel device 46 will automatically fall onto the roller 34 under the guidance of the second guide seat 33, as shown Figure 37 As shown;

[0146] The control system starts the rotary drive mechanism 4 to drive the assembly frame mechanism 5 to rotate at a low speed, thereby adjusting the relative parallelism between the assembly frame mechanism 5 and the workshop floor, in order to prepare for the subsequent U-shaped structure assembly welding of the walking support 202;

[0147] 12) Move the welding machine 3 to the support welding station, adjust the relative position of the welding machine 3 (welding torch) and the support welding station (combined weld), and start welding the front of the U-shaped structure combined seam of the walking support 202. When all the combined welds are welded, the welding operation can be stopped. Figure 38 As shown;

[0148] 13) Move the welding machine 3 to an area outside the support welding station; start the rotary drive mechanism 4, drive the assembly frame mechanism 5 to rotate 180 degrees, and then stop the rotary drive mechanism 4; move the welding machine 3 to the support welding station again, and after adjusting the relative position of the welding machine 3 (welding torch) and the U-shaped structure combination seam welding part of the traveling support 202, start welding the back of the combination seam of the traveling support 202, as shown in FIG. Figure 39 As shown;

[0149] 14) Once all welded joints on the front and back sides of the traveling support 202 have been completed, the assembly frame 5, along with the welded traveling support 202, can be lifted from the welding station and placed back on the assembly buffer rack 2 to cool. After the traveling support 202 has cooled to room temperature, it can be untied (released by releasing the pressure claws) and lifted off the assembly frame 5. The welding of the combined joints of the traveling support 202 is now complete.

[0150] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. A flip-type walking support welding and fixing device, characterized in that: It includes a welding fixture, an assembly buffer rack located next to the welding fixture, and a special welding machine that cooperates with the welding fixture; The welding fixture is located above the pit on the workshop floor and includes a rotary drive mechanism located at the edge of the pit and an assembly rack mechanism located on the rotary drive mechanism, the assembly rack mechanism facing the pit. The assembly rack mechanism has three functions: one is to serve as an assembly platform for the walking support; The second is to serve as an anti-deformation fixture for the walking support during welding; The third is to serve as a carrier for the traveling support during welding or moving; The rotary drive mechanism includes a driving support assembly provided at one side of the pit, and a fixed support assembly opposite to the driving support assembly and provided at another side of the pit; The assembly frame mechanism includes a main frame mechanism provided on the rotation drive mechanism, and a longitudinal pressing mechanism provided on the main frame mechanism; The assembled cache rack includes a cache rack frame and an anti-wear block provided on the top surface of the cache rack frame. The main frame mechanism includes a main frame, a longitudinal pressing mechanism driving device, a transverse pressing device, a supporting wheel device and a supporting gear device; The longitudinal pressing mechanism driving device is arranged at the front and rear sides of the main frame; The transverse pressing device is arranged at the middle position between the left and right sides of the main frame; The supporting wheel device and the supporting gear device are respectively arranged on the left and right sides of the main frame, corresponding to the positions of the transverse pressing device. The longitudinal pressing mechanism driving device includes a longitudinal driving screw, a longitudinal driving screw pair, a thrust ball bearing and a bearing gland; The thrust ball bearings are embedded in the front and rear positions of the main frame; A longitudinal drive screw pair is sleeved on the longitudinal drive screw, one end of the longitudinal drive screw is fixed on the thrust ball bearing, and the other end is located in the main frame; The bearing glands are arranged on the front and rear sides of the main frame to seal the thrust ball bearing. The transverse pressing device includes a transverse drive screw, a transverse drive screw support frame, a pressure claw, a transverse drive screw pair, a thrust ball bearing and a rotating handle; The thrust ball bearings are embedded in the left and right sides of the main frame; The transverse drive screw penetrates into the thrust ball bearing, the transverse drive screw pair is sleeved on the transverse drive screw and is located outside the main frame, and the rotary handle is connected to the transverse drive screw pair; The transverse driving wire support frame is connected to the transverse driving screw and is located on the inner side of the main frame, and the pressure claw is arranged on the transverse driving wire support frame.

2. The flip-type traveling support welding and fixing device according to claim 1 is characterized in that: The drive-type support assembly includes a drive assembly, a first support body, a drive gear, a first guide seat and a driven gear; The first guide seat is provided in the middle of the first support body, and the driving gear and the driven gear are also provided on the first support body and are respectively located on both sides of the first guide seat; The output side of the driving assembly is connected to the driving gear.

3. The flip-type traveling support welding and fixing device according to claim 1 is characterized in that: The fixed support assembly includes a second support body, a second guide seat and a roller; The second guide seat is arranged in the middle position of the second support body. There are two rollers, both of which are arranged on the second support body and are respectively located at two sides of the second guide seat.

4. The flip-type traveling support welding and fixing device according to claim 1 is characterized in that: The support wheel device includes an axle head provided on the main frame and a support wheel body sleeved on the axle head; The supporting wheel body is fixed by a guide copper sleeve and a guide hemisphere.

5. The flip-type traveling support welding and fixing device according to claim 4 is characterized in that: The supporting gear device includes a shaft head provided on the main frame and a supporting gear body sleeved on the shaft head; The supporting gear body is fixed by a guide copper sleeve and a guide hemisphere.

6. The flip-type traveling support welding and fixing device according to claim 4, characterized in that: The longitudinal pressing mechanism includes two support racks, each of which is provided with a longitudinal pressing device; The support shelves are respectively arranged at the front and rear sides of the main frame, corresponding to the longitudinal pressing mechanism driving device; The longitudinal pressing device includes a longitudinal drive screw support frame, a pressure claw, a longitudinal drive screw, a thrust ball bearing, a longitudinal drive screw pair and a screw pair rotating handle; The thrust ball bearing is embedded in the support shelf; The longitudinal drive screw is inserted into the thrust ball bearing, the longitudinal drive screw pair is sleeved on the longitudinal drive screw and is located on the outside of the support shelf, and the screw pair rotation handle is connected to the longitudinal drive screw pair; The longitudinal drive screw support frame is connected to the longitudinal drive screw and is located on the inner side of the support shelf, and the pressure claw is arranged on the longitudinal drive screw support frame.

7. The flip-type traveling support welding and fixing device according to claim 1 is characterized in that: The cache rack framework includes a cache rack framework; The anti-wear blocks are provided with two pieces, which are respectively fixed on the top surfaces of the front and rear sides of the cache rack frame by anti-wear block fastening screws.

Images