Truck frame cross beam welding deformation correcting and supporting device

Abstract

The invention discloses a truck frame cross beam welding deformation correction supporting device, and relates to the technical field of frame welding deformation correction devices.The truck frame cross beam welding deformation correction supporting device comprises a fixing frame, a clamping mechanism is installed on the upper portion of the fixing frame, a monitoring assembly and a coarse adjustment mechanism are further installed on the upper portion of the fixing frame, and the coarse adjustment mechanism is located below the monitoring assembly; a fine adjustment mechanism is installed on the upper portion of the coarse adjustment mechanism, and a supporting mechanism is installed on the upper portion of the fine adjustment mechanism. According to the device, the to-be-corrected cross beam is stably fixed through the clamping mechanism, displacement in correction is avoided, automatic horizontal adjustment is achieved through the coarse adjustment mechanism, traditional manual adjustment is replaced, the position adjustment efficiency and the preliminary positioning accuracy of the supporting mechanism are greatly improved, and the monitoring assembly is matched with an external industrial personal computer; the industrial camera carries out visual monitoring, the laser contourgraph accurately quantifies the deformation amount, the experience dependence of manual ruler measurement is broken through, and a hydraulic cylinder in the supporting mechanism can stably output jacking force.

Description

Technical Field

[0001] This invention relates to the technical field of chassis welding deformation correction devices, specifically a support device for correcting welding deformation of truck chassis crossbeams. Background Technology

[0002] In the manufacturing and repair of truck frames, bending, twisting and other deformation problems caused by local high temperature during crossbeam welding are quite common. This deformation not only causes the crossbeam precision to deviate from the design standard, but also causes misalignment of holes and interference of components during frame assembly. Long-term use can also create safety hazards due to uneven stress. By providing stable support to the basic frame, using adjustable support components to position the crossbeam, and then correcting the precision, the rework problem caused by crossbeam component deformation can be solved.

[0003] For example, CN110711965B discloses a positioning and welding device for a crossbeam of an automobile subframe, including a first positioning device, a second positioning device, a third positioning device, and a clamping device, all mounted on a base device. The first positioning device includes a main pin positioning mechanism and a secondary pin positioning mechanism. The main pin positioning mechanism includes a telescopic pin pushing cylinder, a telescopic pin cylinder mounting bracket, a main positioning pin, and a main pin guide block. The telescopic pin cylinder mounting bracket is mounted on the base device, and the telescopic pin pushing cylinder passes through the cavity of the telescopic pin cylinder mounting bracket. The main positioning pin is connected to the connecting rod end of the telescopic pin pushing cylinder through the mounting groove R at its end. The main pin guide block is fastened to the end face of the telescopic pin cylinder mounting bracket. A positioning block I is also provided on one side of the telescopic pin cylinder mounting bracket.

[0004] However, in existing technologies, the straightening process largely relies on accumulated manual experience, and equipment design focuses more on "being able to straighten" rather than "precise and efficient straightening." This is especially true in the truck manufacturing industry, which prioritizes "meeting production targets" and "achieving basic functions." As a correction process, beam straightening primarily addresses the issue of "being able to repair deformation," while requirements for precision consistency and straightening efficiency are secondary. This has established a design principle where basic functionality is sufficient, leading to a technological inertia dominated by semi-manual hydraulic systems and manual lead screws. The industry relies heavily on experienced technicians who use their accumulated experience through "visual inspection, measurement, and touch" to judge deformation and control straightening force. The lack of investment in sensor development and closed-loop control system development for "precise correction" has led to a technological inertia of "experience replacing equipment precision." As a result, the stability of correction accuracy is extremely poor. Due to differences in operator experience and force applied, the straightness and perpendicularity of the same batch of crossbeams deviate greatly. Overcorrection can even cause irreversible plastic damage to the crossbeams, implicitly reducing their load-bearing strength. The efficiency of operation is limited by the rhythm of manual operation. The correction of a single crossbeam requires repeated cycles of "measuring deformation - adjusting support - manually applying force - measuring again," which can easily become a bottleneck in the production line in the mass production of heavy trucks. Summary of the Invention

[0005] The purpose of this invention is to provide a support device for correcting welding deformation of truck frame crossbeams, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a support device for correcting welding deformation of a truck frame crossbeam, comprising a fixed frame, a clamping mechanism mounted on the upper part of the fixed frame, a monitoring component and a coarse adjustment mechanism mounted on the upper part of the fixed frame, the coarse adjustment mechanism being located below the monitoring component, and a fine adjustment mechanism mounted on the upper part of the coarse adjustment mechanism, a support mechanism mounted on the upper part of the fine adjustment mechanism, and a transmission mechanism installed between the coarse adjustment mechanism and the fine adjustment mechanism, the transmission mechanism being used to transmit power from the coarse adjustment mechanism to the fine adjustment mechanism, the fine adjustment mechanism comprising a mounting box, a worm gear and a worm wheel being rotatably connected inside the mounting box, the worm gear meshing with the worm wheel, an eccentric shaft being fixedly connected to both ends of the worm wheel, a bushing being rotatably sleeved on the surface of the eccentric shaft, a universal joint being mounted on the side of the bushing, a fixed plate being fixedly connected to the end of the universal joint, a second connecting plate being fixedly connected to the bottom of the fixed plate, the upper part of the second connecting plate being fixedly connected to the support mechanism, and a sliding limit component being mounted on the bottom of the second connecting plate.

[0007] Preferably, the sliding limit assembly includes a second slide rail and a second slider. The bottom of the second slider is fixedly connected to the coarse adjustment mechanism, the second slide rail is slidably connected to the upper part of the second slider, and the second slide rail is fixedly connected to the bottom of the second connecting plate.

[0008] Preferably, the coarse adjustment mechanism includes an adjustment frame, a servo motor is mounted on the upper part of the adjustment frame, a lead screw is fixedly connected to the output end of the servo motor, a lead block is threadedly connected to the surface of the lead screw, the lead block is slidably connected to the adjustment frame, and a No. 1 connecting plate is fixedly connected to the upper part of the lead block.

[0009] Preferably, a first slide rail is fixedly connected to the upper part of the adjustment frame, a first slider is slidably connected to the upper part of the first slide rail, and the first slider is fixedly connected to the bottom of the first connecting plate.

[0010] Preferably, the transmission mechanism includes a first synchronous pulley, a synchronous belt, a second synchronous pulley, a mounting frame, an electromagnet male connector assembly, a second connecting plate, and an electromagnet female connector assembly. The mounting frame is fixedly connected to an adjustment frame, and a connecting shaft is rotatably connected to the upper part of the mounting frame. One end of the connecting shaft is fixedly connected to the second synchronous pulley. The first synchronous pulley is fixedly connected to the output end of the servo motor. The synchronous belt meshes with both the first and second synchronous pulleys. The electromagnet male connector assembly is fixedly connected to the end of the connecting shaft. The second connecting plate is fixedly connected to the end of the worm gear, and a connecting rod is slidably inserted into the surface of the second connecting plate. The end of the connecting rod is fixedly connected to the first connecting plate. The first and second connecting plates are fixedly connected. A spring is provided on the surface of the connecting rod. One end of the spring is fixedly connected to the second connecting plate, and the other end of the spring is fixedly connected to the first connecting plate. The electromagnet male connector assembly and the electromagnet female connector assembly are magnetically attracted and fixed.

[0011] Preferably, both the male and female electromagnet connectors are equipped with multiple electromagnet modules, which are evenly distributed within them, and each module is connected to an external control system.

[0012] Preferably, the male electromagnet connector assembly has a plug at its center, and the female electromagnet connector assembly has a slot at its center that fits the plug, and the plug is inserted into the slot.

[0013] Preferably, the monitoring component includes a connecting frame, with an industrial camera and a laser profilometer respectively mounted on the bottom of the connecting frame, and both the industrial camera and the laser profilometer being externally connected to an industrial control computer.

[0014] Preferably, the support mechanism includes a pressure sensor, which is fixedly connected to the second connecting plate, and a base is fixedly connected to the upper part of the pressure sensor. A hydraulic cylinder is fixedly connected to the upper part of the base, and an installation component is fixedly connected to the upper part of the hydraulic cylinder. A support plate is installed on the upper part of the installation component.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, the clamping mechanism stably fixes the beam to be corrected, avoiding displacement during correction. The coarse adjustment mechanism achieves automated horizontal adjustment. The servo motor drives the lead screw to move the lead block and the first connecting plate, replacing the traditional manual adjustment and greatly improving the position adjustment efficiency and initial positioning accuracy of the support mechanism. With the monitoring component connected to an external industrial control computer, the position of the support mechanism and the correction dynamics of the beam are captured in real time. The industrial camera provides visual monitoring, and the laser profilometer accurately quantifies the deformation, breaking the reliance on experience of "manual eye measurement" and providing data support for correction. The hydraulic cylinder in the support mechanism can stably output the top thrust, and the pressure sensor monitors the thrust in real time, avoiding irreversible plastic damage to the beam due to overcorrection or undercorrection, and ensuring the load-bearing strength. 2. In this invention, the fine-tuning mechanism, through the meshing transmission of worm gear and worm wheel, and the cooperation of eccentric shaft and universal joint, combined with the power transmitted by the transmission mechanism, achieves fine-tuning of the support position, further improving the correction accuracy. The overall structure realizes the synergy of "automatic adjustment - precise monitoring - controllable force application", effectively solving the problem of large deviations in straightness and perpendicularity of the same batch of crossbeams due to differences in manual operation, avoiding the repeated cycle of "measurement-adjustment-force application-remeasurement", and can break through the bottleneck of the production line in the mass production scenario of heavy trucks, taking into account both the consistency of correction accuracy and work efficiency. 3. In this invention, the transmission mechanism serves as the core power transmission bridge, and its mounting frame provides stable support for the connecting shaft. The first synchronous pulley drives the second synchronous pulley and the connecting shaft to rotate through the synchronous belt, providing a power foundation for subsequent fine-tuning. At the same time, the electromagnet connecting male and female components achieve magnetic attraction through built-in evenly distributed electromagnet modules. With the matching of the male component's center insert and the female component's center slot, the position is accurately aligned during power docking, avoiding the misalignment problem of traditional mechanical docking. 4. In this invention, the transmission mechanism can stably transmit the power of the servo motor to the worm gear of the fine-tuning mechanism. Combined with the sliding limit component No. 2 slide rail and No. 2 slider to guide and limit the horizontal movement of the No. 2 connecting plate, it ensures that when the worm gear drives the worm wheel and eccentric shaft to rotate, the bushing and universal energy-saving drive drive the No. 2 connecting plate and the upper support mechanism to achieve precise horizontal adjustment. Finally, the support mechanism accurately reaches the position to be corrected and completes the operation. The overall structure effectively makes up for the precision defects of single coarse adjustment through the synergy of "magnetic precise docking + buffer adaptation + stable power transmission + sliding limit guidance", further improves the alignment accuracy of the support mechanism, reduces the correction error caused by alignment deviation, strengthens the precision controllability of the correction process, and is more suitable for the high-precision correction requirements of truck frame beams. Attached Figure Description

[0016] Figure 1 This is a first three-dimensional structural schematic diagram of a truck frame crossbeam welding deformation correction support device according to the present invention; Figure 2This is a schematic diagram of the second structure of a truck frame crossbeam welding deformation correction support device according to the present invention; Figure 3 This is a front view structural schematic diagram of a truck frame crossbeam welding deformation correction support device according to the present invention; Figure 4 This is a three-dimensional structural diagram of the coarse adjustment mechanism in a truck frame crossbeam welding deformation correction support device of the present invention. Figure 5 This is a side view of the transmission mechanism in a truck frame crossbeam welding deformation correction support device of the present invention. Figure 6 This is a cross-sectional three-dimensional structural diagram of the mounting box in a truck frame crossbeam welding deformation correction support device of the present invention; Figure 7 This is a three-dimensional structural diagram of the eccentric shaft in a truck frame crossbeam welding deformation correction support device of the present invention; Figure 8 This is a side view of the support mechanism in a truck frame crossbeam welding deformation correction support device of the present invention.

[0017] In the diagram: 1. Fixing frame; 2. Clamping mechanism; 3. Monitoring component; 31. Connecting frame; 32. Industrial camera; 33. Laser profilometer; 4. Coarse adjustment mechanism; 41. Adjusting frame; 42. Servo motor; 43. Lead screw; 44. Lead block; 45. Connecting plate No. 1; 46. Slide rail No. 1; 47. Slider No. 1; 5. Transmission mechanism; 51. Synchronous pulley No. 1; 52. Synchronous belt; 53. Synchronous pulley No. 2; 54. Mounting frame; 55. Connecting shaft; 56. Electromagnet male connector assembly; 57. 58. Electromagnetic connector female assembly; 59. Connecting plate 1; 50. Connecting plate 2; 510. Connecting rod; 511. Spring; 6. Fine adjustment mechanism; 61. Mounting box; 62. Worm gear; 63. Worm wheel; 64. Eccentric shaft; 65. Bushing; 66. Universal joint; 67. Fixing plate; 68. Connecting plate 2; 69. Slide rail 2; 610. Slider 2; 7. Support mechanism; 71. Pressure sensor; 72. Base; 73. Hydraulic cylinder; 74. Mounting assembly; 75. Support plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1: Refer to Figures 1-8As shown: A support device for correcting welding deformation of a truck frame crossbeam includes a fixed frame 1, a clamping mechanism 2 mounted on the upper part of the fixed frame 1, a monitoring component 3 and a coarse adjustment mechanism 4 mounted on the upper part of the fixed frame 1, the coarse adjustment mechanism 4 being located below the monitoring component 3, and a fine adjustment mechanism 6 mounted on the upper part of the coarse adjustment mechanism 4, a support mechanism 7 mounted on the upper part of the fine adjustment mechanism 6, and a transmission mechanism 5 installed between the coarse adjustment mechanism 4 and the fine adjustment mechanism 6. The transmission mechanism 5 is used to transmit the power of the coarse adjustment mechanism 4 to the fine adjustment mechanism 6. The fine adjustment mechanism 6 includes a mounting box 61, inside which a worm gear 62 and a worm wheel 63 are rotatably connected. The worm gear 62 meshes with the worm wheel 63, and eccentric shafts 64 are fixedly connected to both ends of the worm wheel 63. A bushing 65 is rotatably sleeved on the surface of the eccentric shaft 64, and a bushing 65 is mounted on the side of the bushing 65. Universal joint 66, universal joint 66 is fixedly connected to a fixed plate 67 at its end, fixed plate 67 is fixedly connected to a second connecting plate 68 at its bottom, the upper part of the second connecting plate 68 is fixedly connected to the support mechanism 7, and a sliding limit component is installed at the bottom of the second connecting plate 68. The monitoring component 3 includes a connecting frame 31, the bottom of the connecting frame 31 is respectively installed with an industrial camera 32 and a laser profilometer 33, both of which are externally connected to an industrial control computer. The support mechanism 7 includes a pressure sensor 71, the pressure sensor 71 is fixedly connected to the second connecting plate 68, the upper part of the pressure sensor 71 is fixedly connected to a base 72, the upper part of the base 72 is fixedly connected to a hydraulic cylinder 73, the upper part of the hydraulic cylinder 73 is fixedly connected to an installation component 74, and a support plate 75 is installed on the upper part of the installation component 74. The coarse adjustment mechanism 4 includes an adjustment frame 41, a servo motor 42 mounted on the upper part of the adjustment frame 41, a lead screw 43 fixedly connected to the output end of the servo motor 42, a lead block 44 threadedly connected to the surface of the lead screw 43, the lead block 44 slidably connected to the adjustment frame 41, and a first connecting plate 45 fixedly connected to the upper part of the lead block 44. A first slide rail 46 is fixedly connected to the upper part of the adjustment frame 41, a first slider 47 is slidably connected to the upper part of the first slide rail 46, and the first slider 47 is fixedly connected to the bottom of the first connecting plate 45.

[0020] In this invention, the truck frame crossbeam to be welded is clamped and fixed by the clamping mechanism 2. The servo motor 42 drives the lead screw 43 to rotate, and the rotation of the lead screw 43 drives the lead block 44 to move horizontally, thereby moving the first connecting plate 45 and its upper support mechanism 7. The position of the support mechanism 7 is adjusted for support and correction. The position of the support mechanism 7 is monitored by the monitoring component 3 to ensure that it can accurately reach the position that needs support and correction. The support and correction position is adjusted by pushing the support plate 75 by the hydraulic cylinder 73. The correction is monitored by the industrial camera 32 and the laser profilometer 33. At the same time, the thrust of the support is monitored by the pressure sensor 71 to improve the accuracy of the correction. With the fixed frame 1 as the basic support, the beam to be corrected is stably fixed by the clamping mechanism 2 to avoid displacement during correction. Automated horizontal adjustment is achieved through the coarse adjustment mechanism 4, where the servo motor 42 drives the lead screw 43 to move the lead block 44 and the first connecting plate 45, replacing traditional manual adjustment and significantly improving the position adjustment efficiency and initial positioning accuracy of the support mechanism 7. In conjunction with the monitoring component 3 connected to an external industrial computer, the position of the support mechanism 7 and the beam correction dynamics are captured in real time. The industrial camera 32 provides visual monitoring, and the laser profilometer 33 accurately quantifies the deformation, breaking the reliance on experience-based "human visual measurement" and providing data support for correction. The hydraulic cylinder 73 in the support mechanism 7 can stably output pushing force, and the pressure sensor 71... Real-time monitoring of thrust magnitude prevents overcorrection from causing irreversible plastic damage to the crossbeam, while undercorrection ensures load-bearing strength. Simultaneously, the fine-tuning mechanism 6, through the meshing transmission of worm gear 62 and worm wheel 63, in conjunction with the eccentric shaft 64 and universal joint 66, combined with the power transmitted by the transmission mechanism 5, achieves precise fine-tuning of the support position, further improving correction accuracy. The overall structure achieves synergy between "automatic adjustment - precise monitoring - controllable force application," effectively solving the problem of large deviations in straightness and perpendicularity of crossbeams in the same batch due to differences in manual operation. It avoids the repeated cycle of "measurement-adjustment-force application-remeasurement," breaking through production line bottlenecks in heavy truck mass production scenarios and balancing the consistency of correction accuracy with operational efficiency.

[0021] Example 2: According to Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the transmission mechanism 5 includes a first synchronous pulley 51, a synchronous belt 52, a second synchronous pulley 53, a mounting bracket 54, an electromagnet connecting male assembly 56, a second connecting disc 59, and an electromagnet connecting female assembly 57. The mounting bracket 54 is fixedly connected to the adjusting bracket 41, and a connecting shaft 55 is rotatably connected to the upper part of the mounting bracket 54. One end of the connecting shaft 55 is fixedly connected to the second synchronous pulley 53. The first synchronous pulley 51 is fixedly connected to the output end of the servo motor 42. The synchronous belt 52 meshes with both the first synchronous pulley 51 and the second synchronous pulley 53. The electromagnet connecting male assembly 56 and the second synchronous pulley 57 are connected to the first synchronous pulley 51 and the second synchronous pulley 53, respectively. The end of the connecting shaft 55 is fixedly connected, the second connecting plate 59 is fixedly connected to the end of the worm gear 62, and the surface of the second connecting plate 59 is slidably inserted with a connecting rod 510. The end of the connecting rod 510 is fixedly connected to a first connecting plate 58. The first connecting plate 58 is fixedly connected to the second connecting plate 59. A spring 511 is provided on the surface of the connecting rod 510. One end of the spring 511 is fixedly connected to the second connecting plate 59, and the other end of the spring 511 is fixedly connected to the first connecting plate 58. The male electromagnet connecting head assembly 56 and the female electromagnet connecting head assembly 57 are magnetically attracted and fixed. Both the male electromagnet connector assembly 56 and the female electromagnet connector assembly 57 have multiple electromagnet modules installed inside. These modules are evenly distributed within the male and female electromagnet connector 56 and 57, respectively. Each electromagnet module is connected to an external control system. The male electromagnet connector assembly 56 has a plug at its center, and the female electromagnet connector assembly 57 has a slot at its center that matches the plug. The plug and slot are then inserted into each other. The sliding limit assembly includes a second slide rail 69 and a second slider 610. The bottom of the second slider 610 is fixedly connected to the coarse adjustment mechanism 4. The second slide rail 69 is slidably connected to the upper part of the second slider 610, and the second slide rail 69 is fixedly connected to the bottom of the second connecting plate 68.

[0022] In this invention, when the required correction position is particularly precise, and the support mechanism 7 cannot accurately reach the correction point through a single position adjustment of the coarse adjustment mechanism 4, the external control system activates the male electromagnet connector assembly 56 and the female electromagnet connector assembly 57. At this time, under the attraction of magnetic force, the multiple corresponding electromagnet modules built into the male electromagnet connector assembly 56 and the female electromagnet connector assembly 57 attract each other, so that the insert at the center of the male electromagnet connector assembly 56 can be engaged with the slot at the center of the female electromagnet connector assembly 57. Thus, the insert can be smoothly inserted into the slot. At the same time, the connecting rod 510 slides along the second connecting plate 59, and the spring 511 is stretched. Then, when the coarse adjustment mechanism 4 is driven by the servo motor 42 to adjust the position of the support mechanism 7, the transmission mechanism 5 transmits the power of the servo motor 42 to the worm 62. The rotation of the worm 62 causes the worm wheel 63 to drive the eccentric shaft 64 to rotate, thereby driving the bushing 65 and the universal joint 66 to move, and then driving the second connecting plate 68 to make precise position adjustment in the horizontal direction. Then, the support mechanism 7 performs precise correction work on the position to be corrected. With the transmission mechanism 5 as the core power transmission bridge, its mounting frame 54 provides stable support for the connecting shaft 55. The first synchronous pulley 51 drives the second synchronous pulley 53 and the connecting shaft 55 to rotate through the synchronous belt 52, providing a power foundation for subsequent fine-tuning. At the same time, the electromagnet connecting male connector assembly 56 and the electromagnet connecting female connector assembly 57 achieve magnetic attraction through built-in evenly distributed electromagnet modules. With the insertion and matching of the center plug of the male connector assembly and the center slot of the female connector assembly, the position is accurately aligned during power docking, avoiding the misalignment problem of traditional mechanical docking. The connecting rod 510 and the sleeved spring 511 on the second connecting plate 59 can achieve buffering through the sliding of the connecting rod 510 and the stretching of the spring 511 during docking, ensuring a smooth docking process and avoiding rigid collision damage to components. When the coarse adjustment mechanism 4 cannot meet the high-precision alignment requirements, the transmission mechanism 5 can stably transmit the power of the servo motor 42 to the worm gear 62 of the fine adjustment mechanism 6. Combined with the sliding limit component No. 2 slide rail 69 and No. 2 slider 610 to guide and limit the horizontal movement of the No. 2 connecting plate 68, it ensures that when the worm gear 62 drives the worm wheel 63 and the eccentric shaft 64 to rotate, the bushing 65 and the universal joint 66 can drive the No. 2 connecting plate 68 and the upper support mechanism 7 to achieve precise horizontal adjustment. Finally, the support mechanism 7 accurately reaches the position to be corrected and completes the operation. The overall structure effectively makes up for the precision defects of single coarse adjustment through the synergy of "magnetic precise docking + buffer adaptation + stable power transmission + sliding limit guidance", further improves the alignment accuracy of the support mechanism 7, reduces the correction error caused by alignment deviation, strengthens the precision controllability of the correction process, and is more suitable for the high-precision correction requirements of truck frame beams.

[0023] The usage and working principle of this device are as follows: The truck frame crossbeam to be welded is clamped and fixed by the clamping mechanism 2. The servo motor 42 drives the lead screw 43 to rotate. The rotation of the lead screw 43 drives the lead block 44 to move horizontally, thereby moving the first connecting plate 45 and its upper support mechanism 7. The position of the support mechanism 7 is adjusted for support and correction. The position of the support mechanism 7 is monitored by the monitoring component 3 to ensure that it can accurately reach the position that needs support and correction. The support plate 75 is pushed by the hydraulic cylinder 73 to adjust the support and correction position. The correction is monitored by the industrial camera 32 and the laser profilometer 33. At the same time, the thrust of the support is monitored by the pressure sensor 71 to improve the accuracy of the correction. When the required correction position is particularly precise, and the support mechanism 7 cannot accurately reach the area to be corrected through a single position adjustment using the coarse adjustment mechanism 4, the external control system activates the electromagnet connecting male connector assembly 56 and the electromagnet connecting female connector assembly 57. At this time, under the attraction of magnetic force, the multiple corresponding electromagnet modules built into the electromagnet connecting male connector assembly 56 and the electromagnet connecting female connector assembly 57 attract each other, allowing the insert at the center of the electromagnet connecting male connector assembly 56 to engage with the slot at the center of the electromagnet connecting female connector assembly 57, thus allowing the insertion... The block can be smoothly inserted into the slot. At the same time, the connecting rod 510 slides along the second connecting plate 59 and the spring 511 is stretched. Then, when the coarse adjustment mechanism 4 is driven by the servo motor 42 to adjust the position of the support mechanism 7, the transmission mechanism 5 transmits the power of the servo motor 42 to the worm 62. The rotation of the worm 62 causes the worm wheel 63 to drive the eccentric shaft 64 to rotate, thereby driving the bushing 65 and the universal joint 66 to move. This, in turn, drives the second connecting plate 68 to make precise position adjustments in the horizontal direction. Then, the support mechanism 7 performs precise correction work on the position to be corrected.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A support device for correcting welding deformation of a truck frame crossbeam, comprising a fixed frame (1), wherein a clamping mechanism (2) is mounted on the upper part of the fixed frame (1), characterized in that: The upper part of the fixed frame (1) is also equipped with a monitoring component (3) and a coarse adjustment mechanism (4). The coarse adjustment mechanism (4) is located below the monitoring component (3), and a fine adjustment mechanism (6) is installed on the upper part of the coarse adjustment mechanism (4). A support mechanism (7) is installed on the upper part of the fine adjustment mechanism (6). A transmission mechanism (5) is installed between the coarse adjustment mechanism (4) and the fine adjustment mechanism (6). The transmission mechanism (5) is used to transmit the power of the coarse adjustment mechanism (4) to the fine adjustment mechanism (6). The fine adjustment mechanism (6) includes a mounting box (61). The mounting box (61) is rotatably connected to worm gears. (62) and worm gear (63), the worm (62) meshes with the worm gear (63), both ends of the worm gear (63) are fixedly connected to an eccentric shaft (64), the surface of the eccentric shaft (64) is rotatably sleeved with a bushing (65), a universal joint (66) is installed on the side of the bushing (65), a fixing plate (67) is fixedly connected to the end of the universal joint (66), a second connecting plate (68) is fixedly connected to the bottom of the fixing plate (67), the upper part of the second connecting plate (68) is fixedly connected to the support mechanism (7), and a sliding limit component is installed at the bottom of the second connecting plate (68).

2. The truck frame crossbeam welding deformation correction support device according to claim 1, characterized in that: The sliding limit assembly includes a second slide rail (69) and a second slider (610). The bottom of the second slider (610) is fixedly connected to the coarse adjustment mechanism (4). The second slide rail (69) is slidably connected to the upper part of the second slider (610), and the second slide rail (69) is fixedly connected to the bottom of the second connecting plate (68).

3. The truck frame crossbeam welding deformation correction support device according to claim 1, characterized in that: The coarse adjustment mechanism (4) includes an adjustment frame (41), a servo motor (42) is mounted on the upper part of the adjustment frame (41), a lead screw (43) is fixedly connected to the output end of the servo motor (42), a lead block (44) is threadedly connected to the surface of the lead screw (43), the lead block (44) is slidably connected to the adjustment frame (41), and a first connecting plate (45) is fixedly connected to the upper part of the lead block (44).

4. The truck frame crossbeam welding deformation correction support device according to claim 3, characterized in that: The upper part of the adjustment frame (41) is fixedly connected to a slide rail (46), and the upper part of the slide rail (46) is slidably connected to a slider (47). The slider (47) is fixedly connected to the bottom of the connecting plate (45).

5. The truck frame crossbeam welding deformation correction support device according to claim 1, characterized in that: The transmission mechanism (5) includes a first synchronous pulley (51), a synchronous belt (52), a second synchronous pulley (53), a mounting bracket (54), an electromagnet male connector assembly (56), a second connecting disc (59), and an electromagnet female connector assembly (57). The mounting bracket (54) is fixedly connected to the adjusting bracket (41), and a connecting shaft (55) is rotatably connected to the upper part of the mounting bracket (54). One end of the connecting shaft (55) is fixedly connected to the second synchronous pulley (53). The first synchronous pulley (51) is fixedly connected to the output end of the servo motor (42). The synchronous belt (52) meshes with the first synchronous pulley (51) and the second synchronous pulley (53) respectively. The electromagnet male connector assembly (56)... The second connecting plate (59) is fixedly connected to the end of the connecting shaft (55), and the second connecting plate (59) is fixedly connected to the end of the worm gear (62). A connecting rod (510) is slidably inserted into the surface of the second connecting plate (59). A first connecting plate (58) is fixedly connected to the end of the connecting rod (510). The first connecting plate (58) is fixedly connected to the second connecting plate (59). A spring (511) is provided on the surface of the connecting rod (510). One end of the spring (511) is fixedly connected to the second connecting plate (59), and the other end of the spring (511) is fixedly connected to the first connecting plate (58). The male electromagnet connecting head assembly (56) and the female electromagnet connecting head assembly (57) are magnetically attracted and fixed.

6. The truck frame crossbeam welding deformation correction support device according to claim 5, characterized in that: Both the male electromagnet connector assembly (56) and the female electromagnet connector assembly (57) are equipped with multiple electromagnet modules. The multiple electromagnet modules are evenly distributed inside the male electromagnet connector assembly (56) and the female electromagnet connector assembly (57), and the electromagnet modules are connected to a control system.

7. The truck frame crossbeam welding deformation correction support device according to claim 6, characterized in that: The male electromagnet connector assembly (56) has a plug at its center, and the female electromagnet connector assembly (57) has a slot for the plug at its center, and the plug is inserted into the slot.

8. The truck frame crossbeam welding deformation correction support device according to claim 1, characterized in that: The monitoring component (3) includes a connecting frame (31), on the bottom of which an industrial camera (32) and a laser profilometer (33) are respectively installed. Both the industrial camera (32) and the laser profilometer (33) are connected to an industrial control computer.

9. The truck frame crossbeam welding deformation correction support device according to claim 1, characterized in that: The support mechanism (7) includes a pressure sensor (71), which is fixedly connected to the second connecting plate (68). A base (72) is fixedly connected to the upper part of the pressure sensor (71), and a hydraulic cylinder (73) is fixedly connected to the upper part of the base (72). An installation assembly (74) is fixedly connected to the upper part of the hydraulic cylinder (73), and a support plate (75) is installed on the upper part of the installation assembly (74).

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